CN102904462A - 150V voltage stabilizing direct current power supply circuit in method of increasing recovery efficiency of oil field by direct current field - Google Patents

150V voltage stabilizing direct current power supply circuit in method of increasing recovery efficiency of oil field by direct current field Download PDF

Info

Publication number
CN102904462A
CN102904462A CN2012104414469A CN201210441446A CN102904462A CN 102904462 A CN102904462 A CN 102904462A CN 2012104414469 A CN2012104414469 A CN 2012104414469A CN 201210441446 A CN201210441446 A CN 201210441446A CN 102904462 A CN102904462 A CN 102904462A
Authority
CN
China
Prior art keywords
circuit
pressure limiting
direct current
voltage
voltage stabilizing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012104414469A
Other languages
Chinese (zh)
Inventor
徐建军
闫丽梅
闫智峰
许爱华
李宏玉
高金兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Northeast Petroleum University
Original Assignee
Northeast Petroleum University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Northeast Petroleum University filed Critical Northeast Petroleum University
Priority to CN2012104414469A priority Critical patent/CN102904462A/en
Publication of CN102904462A publication Critical patent/CN102904462A/en
Pending legal-status Critical Current

Links

Images

Abstract

The invention relates to a 150V voltage stabilizing direct current power supply circuit in a method of increasing recovery efficiency of an oil field by a direct current field. A transformer of the 150V voltage stabilizing direct current power supply circuit in the method of increasing recovery efficiency of the oil field by the direct current field is serially connected with a fuse, the fuse is connected with a bridge type rectifier circuit, two ends of the bridge type rectifier circuit are connected in parallel with a first capacitor, one end of the first capacitor is connected with a first-stage voltage limiting circuit, the other end of the first capacitor is grounded, the first-stage voltage limiting circuit is connected with the input end of a voltage stabilizer, the output end of the voltage stabilizer is connected with a second-stage voltage stabilizing circuit, a diode with a reversal protection function is connected between the first-stage voltage limiting circuit and the second-stage voltage limiting circuit, the output end of the second-stage voltage limiting circuit is connected with a third capacitor, the other end of the third capacitor is grounded, and a voltage stabilizing diode is connected between a base electrode end of a second-stage voltage limiting triode of the first-stage voltage limiting circuit and the output end of the second-stage voltage limiting circuit. The 150V voltage stabilizing direct current power supply circuit has higher voltage stabilizing precision, and realizes a required working state.

Description

DC electric field improves 150V direct current of voltage regulation source circuit in the oil recovery rate method
One, technical field:
What the present invention relates to is the circuit of stable output DC electric field, and what be specifically related to is that DC electric field improves 150V direct current of voltage regulation source circuit in the oil recovery rate method.
Two, background technology:
Utilizing the DC electric field effect to improve oil recovery factor is in recent years an oil recovery new technology.Because the crude resources shortage is the great difficult problem that countries in the world face, improving oil recovery factor is the effective way of alleviating this problem.Yet along with middle and high oil impregnate Tibetan enters high water-cut stage in succession, crack-Caves LOW PERMEABILITY RESERVOIR becomes the Main Bottleneck of oil exploitation.Process crack-Caves Middle-Low Permeability Reservoirs with the oil production method of routine, oil recovery factor is low, and the crude oil of nearly 50-70% can not get exploitation.Therefore utilize the DC electric field effect to improve the oil recovery factor technology and have vast potential for future development.
Three, summary of the invention:
The purpose of this invention is to provide DC electric field and improve 150V direct current of voltage regulation source circuit in the oil recovery rate method, it is used for solving at present oil recovery exploitation and enters the low problem of high water-cut stage oil recovery factor.
The technical solution adopted for the present invention to solve the technical problems is: this DC electric field improves the transformer of 150V direct current of voltage regulation source circuit in the oil recovery rate method and connects with fuse, fuse connects bridge rectifier, bridge rectifier two ends the first electric capacity in parallel, one end of the first electric capacity connects first order pressure limiting circuit, the first electric capacity other end ground connection; First order pressure limiting circuit connects the input of pressurizer, the output of pressurizer connects the second voltage stabilizing circuit, connect the diode with reverse protection function between first order pressure limiting circuit and the second level voltage stabilizing circuit, the output of second level voltage stabilizing circuit connects the 3rd electric capacity, the other end ground connection of the 3rd electric capacity; Be connected zener diode between the base terminal of the second level pressure limiting triode of first order pressure limiting circuit and the output of the second voltage stabilizing circuit.
First order pressure limiting circuit comprises first order pressure limiting triode and second level pressure limiting triode in the such scheme, the base stage of first order pressure limiting triode connects the emitter of second level pressure limiting triode, the second resistance in parallel between the emitter of first order pressure limiting triode and the emitter of second level pressure limiting triode, and then the 3rd resistance of connecting; Even first resistance that is connected to of the collector electrode of the collector electrode of first order pressure limiting triode and second level pressure limiting triode, the other end of the first resistance connects on the base stage of second level pressure limiting triode.
Be connected the first crystal diode on the one hand between the constituting of second level voltage stabilizing circuit in the such scheme, the output of pressurizer and adjustable side, be connected on the other hand the second electric capacity other end ground connection with the second electric capacity; The adjustable resistance of connecting after the 4th resistance and the parallel connection of first crystal diode, the other end ground connection of adjustable resistance.
Pressurizer is the LM317 integrated regulator in the such scheme.
Transformer, fuse and power frequency 220V AC power consist of the transformation link in the such scheme.
Bridge rectifier two ends the first electric capacity in parallel consists of the rectification link in the such scheme.
The diode and the 3rd electric capacity that have the reverse protection function in the such scheme consist of the voltage reversal protective circuit.
Beneficial effect:
1, the present invention satisfies the electricity consumption requirement that DC electric field improves recovery efficiency technique, and choosing target voltage is that DC electric field improves the best results effect voltage 150V that Numerical-Mode is drawn up in the oil recovery rate technology.Secondly existing DC power supply is improved.Voltage stabilizing link mainly for original power circuit is improved, and can guarantee voltage stable output within the regular hour of Transient Electromagnetic Transmitter.Utilize the common stabilized voltage device integrated LM317 of low-voltage to design 150 V direct current regulation circuits of accurate voltage stabilizing, circuit adopts two NPN transistor to realize the current limliting of pressure limiting, voltage stabilizing and input between LM317 input, the output, and circuit has the higher precision of voltage regulation.
2, the present invention is the galvanic device that the 220V industrial-frequency alternating current is converted to voltage stabilizing output, and it needs transformation, rectification, filtering, voltage stabilizing four processes just can finish.Rectifier circuit structure mainly comprises inductance, resistance, the dc capacitor of AC and the rectified three-phase circuit that is comprised of full control switching device and diode.Wherein Inductor comprises inductance and the AC power internal inductance of reactor, and it plays transferring energy, suppresses the effects such as relation of harmonic current and balanced voltage and brachium pontis end voltage.DC side adopts the LM317 integrated regulator, like this so that the output voltage of DC side, electric current are more stable.First order pressure limiting circuit and second level voltage stabilizing circuit are realized required operating state so that circuit can have the higher precision of voltage regulation.
Four, description of drawings:
Fig. 1 is schematic diagram of the present invention;
Fig. 2 is input, the output waveform figure of integrated circuit of the present invention;
Fig. 3 is circuit design block diagram of the present invention.
Five, embodiment:
The present invention is described further below in conjunction with accompanying drawing:
In conjunction with Fig. 1, Fig. 2, shown in Figure 3; 150V direct current of voltage regulation source circuit comprises in this DC electric field raising oil recovery rate method: transformation link, rectification link, first order pressure limiting circuit, second level voltage stabilizing circuit, voltage reversal protective circuit; 150V direct current of voltage regulation source circuit specifically constitutes in this DC electric field raising oil recovery rate method; transformer is connected with fuse; fuse connects bridge rectifier, bridge rectifier two ends the first electric capacity in parallel
Figure 2012104414469100002DEST_PATH_IMAGE001
, the first electric capacity An end connect first order pressure limiting circuit, the first electric capacity Other end ground connection; First order pressure limiting circuit connects pressurizer LM317(U 1) input, the output of pressurizer LM317 connects second level voltage stabilizing circuit, connects the diode with reverse protection function between first order pressure limiting circuit and the second level voltage stabilizing circuit , the output of second level voltage stabilizing circuit connects the 3rd electric capacity
Figure 2012104414469100002DEST_PATH_IMAGE003
, the 3rd electric capacity
Figure 260090DEST_PATH_IMAGE003
Other end ground connection; The second level pressure limiting triode of first order pressure limiting circuit
Figure 911651DEST_PATH_IMAGE004
The output of base terminal and second level voltage stabilizing circuit between be connected zener diode Pressurizer is the LM317 integrated regulator.
First order pressure limiting circuit comprises first order pressure limiting triode
Figure 583066DEST_PATH_IMAGE006
With second level pressure limiting triode
Figure 40592DEST_PATH_IMAGE004
, first order pressure limiting triode
Figure 714019DEST_PATH_IMAGE006
Base stage connect second level pressure limiting triode
Figure 362913DEST_PATH_IMAGE004
Emitter, first order pressure limiting triode
Figure 692263DEST_PATH_IMAGE006
Emitter and second level pressure limiting triode
Figure 687901DEST_PATH_IMAGE004
Emitter between the second resistance in parallel
Figure 2012104414469100002DEST_PATH_IMAGE007
, and then the 3rd resistance of connecting
Figure 982878DEST_PATH_IMAGE008
First order pressure limiting triode
Figure 304138DEST_PATH_IMAGE006
Collector electrode and second level pressure limiting triode Collector electrode all be connected to the first resistance
Figure 2012104414469100002DEST_PATH_IMAGE009
, the first resistance
Figure 920113DEST_PATH_IMAGE009
The other end connect second level pressure limiting triode
Figure 4351DEST_PATH_IMAGE004
Base stage on.
Be connected on the one hand the first crystal diode between constituting of second level voltage stabilizing circuit, the output of pressurizer LM317 and adjustable side
Figure 230933DEST_PATH_IMAGE010
, on the other hand with the second electric capacity
Figure 2012104414469100002DEST_PATH_IMAGE011
Connect the second electric capacity
Figure 597192DEST_PATH_IMAGE011
Other end ground connection; The 4th resistance With the first crystal diode
Figure 79568DEST_PATH_IMAGE010
Adjustable resistance of series connection after in parallel
Figure 2012104414469100002DEST_PATH_IMAGE013
, adjustable resistance
Figure 804947DEST_PATH_IMAGE013
Other end ground connection.
The transformation link is made of transformer, fuse and power frequency 220V AC power.Owing to being to convert the 220V industrial-frequency alternating current to the 150V direct current of voltage regulation, so power transformer is step-down transformer, the alternating voltage that it becomes to suit the requirements with the 220V AC voltage conversion, and give rectification circuit.
The rectification link is by bridge rectifier two ends the first electric capacity in parallel Consist of, this rectification link adopts the diode single-phase full-wave rectifer circuit, utilizes asymmetrical circuit element, the sinusoidal ac of 50Hz is transformed into the direct current of pulsation.
The voltage reversal protective circuit is by the diode with reverse protection function
Figure 235852DEST_PATH_IMAGE002
With the 3rd electric capacity
Figure 796147DEST_PATH_IMAGE003
Consist of.When the LM317 output is connected to larger the 3rd electric capacity
Figure 302215DEST_PATH_IMAGE003
The time, if the current potential situation high than input A of output F can appear in short circuit or when outage between first order protective circuit input A and the ground, this may cause first order pressure limiting triode
Figure 580749DEST_PATH_IMAGE006
, second level pressure limiting triode
Figure 525571DEST_PATH_IMAGE004
Adjust the reverse breakdown of the e-b knot of pipe with pressurizer, between A and F, connect the diode with reverse protection function
Figure 441837DEST_PATH_IMAGE002
Can guarantee that the F end exceeds a tube voltage drop value than the A end at most, thus protection
Figure 118806DEST_PATH_IMAGE006
, And pressurizer.
At first be to satisfy the electricity consumption requirement that DC electric field improves recovery efficiency technique when one, the present invention designs, choosing target voltage is that DC electric field improves the best results effect voltage 150V that Numerical-Mode is drawn up in the oil recovery rate technology.Transformer secondary voltage definite as follows:
In the situation that the LM317 normal operation, its input, the pressure reduction minimum between the output are 3 V, are 40 V to the maximum.In the situation of pressure reduction minimum, the current potential of the output F of LM317 power supply is 150 V, and the current potential that E is ordered is 153 V, when flowing through R 3Electric current when being 100 mA, the pressure drop on it is 5 V; Should consider again triode Tube voltage drop, might as well be that 160 V calculate by A point current potential, this is the A point potential minimum that guarantees that LM317 can work.If transformer rated output voltage (effective value) is
Figure 197730DEST_PATH_IMAGE014
, adopt capacitor filter, voltage after the filtering
Figure 2012104414469100002DEST_PATH_IMAGE015
Generally can estimate by following formula
In fact, AC supply voltage is unsettled sometimes,, should allow some leeway during design for this reason.If require when supply voltage be down to rated value 80% the time LM317 still can work, then should satisfy
Figure 2012104414469100002DEST_PATH_IMAGE017
, namely
Figure 987143DEST_PATH_IMAGE018
Get at this
Figure 2012104414469100002DEST_PATH_IMAGE019
Get final product.The transformer secondary voltage determined, the no-load voltage ratio of power transformer has also just been determined.
Two, the operation principle of first order pressure limiting circuit of the present invention:
First order pressure limiting circuit by
Figure 273767DEST_PATH_IMAGE006
,
Figure 663161DEST_PATH_IMAGE004
, ,
Figure 717628DEST_PATH_IMAGE009
,
Figure 745627DEST_PATH_IMAGE007
With
Figure 989526DEST_PATH_IMAGE008
Form.
Figure 507095DEST_PATH_IMAGE009
With
Figure 406918DEST_PATH_IMAGE005
Formed
Figure 35346DEST_PATH_IMAGE006
The base stage voltage stabilizing circuit, make
Figure 635216DEST_PATH_IMAGE020
Be stabilized in about 6.2 V, during normal operation,
Figure 261370DEST_PATH_IMAGE006
With
Figure 445226DEST_PATH_IMAGE004
Basic emitter-base bandgap grading between voltage be about 0.6-0.7 V, this has just limited
Figure 2012104414469100002DEST_PATH_IMAGE021
With
Figure 939662DEST_PATH_IMAGE022
Size, thereby played the effect of voltage difference between restriction LM317 input and output.
If
Figure 2012104414469100002DEST_PATH_IMAGE023
, then
Figure 742443DEST_PATH_IMAGE024
, namely less than dead band voltage, at this moment
Figure 539498DEST_PATH_IMAGE006
With
Figure 210651DEST_PATH_IMAGE004
All will end, so,
Figure 180881DEST_PATH_IMAGE021
Can not be greater than 5.7 V; And if
Figure 2012104414469100002DEST_PATH_IMAGE025
, then
Figure 755344DEST_PATH_IMAGE026
, at this moment Conducting,
Figure 2012104414469100002DEST_PATH_IMAGE027
,
Figure 944065DEST_PATH_IMAGE007
Middlely will flow through very little electric current, its maximum is about 0.5 mA,
Figure 655669DEST_PATH_IMAGE028
,
Figure 848753DEST_PATH_IMAGE004
Cut-off; Only have and work as
Figure 2012104414469100002DEST_PATH_IMAGE029
The time, Just begin conducting; During normal operation,
Figure 928629DEST_PATH_IMAGE006
With
Figure 443923DEST_PATH_IMAGE004
Basic emitter-base bandgap grading between voltage be about 0.6-0.7 V,
Figure 491514DEST_PATH_IMAGE021
Be about 4.8-5.0 V,
Figure 863589DEST_PATH_IMAGE004
Be operated in the linear district that adjusts.
This part circuit has in fact also consisted of serial regulating circuit, has pressure stabilization function.As working as
Figure 668734DEST_PATH_IMAGE021
When reducing,
Figure 285923DEST_PATH_IMAGE030
Will increase, thereby make With
Figure 668680DEST_PATH_IMAGE004
Base stage and emitter current increase,
Figure 226700DEST_PATH_IMAGE004
The collection emitter-base bandgap grading between voltage reduce, make conversely Increase; When
Figure 840401DEST_PATH_IMAGE021
During increase, Will reduce,
Figure 894868DEST_PATH_IMAGE006
With
Figure 290077DEST_PATH_IMAGE004
Base stage and emitter current also can reduce,
Figure 166767DEST_PATH_IMAGE004
The collection emitter-base bandgap grading between voltage increase, this makes again
Figure 989229DEST_PATH_IMAGE021
Reduce.This just plays stable
Figure 318579DEST_PATH_IMAGE021
Effect, thereby also stable
Figure 517479DEST_PATH_IMAGE022
Under the normal operation, between the basic emitter-base bandgap grading of NPN silicone tube voltage between 0.6-0.7 V,
Figure 812457DEST_PATH_IMAGE021
Be stabilized near the some values between the 4.8-5.0 V.
This part circuit also has metering function.A precondition of the adjustment pipe conducting of LM317 is must be added with forward voltage between its collection emitter-base bandgap grading, namely
Figure 2012104414469100002DEST_PATH_IMAGE031
Figure 868137DEST_PATH_IMAGE006
With
Figure 622467DEST_PATH_IMAGE004
During normal operation,
Figure 687375DEST_PATH_IMAGE032
With
Figure 2012104414469100002DEST_PATH_IMAGE033
For about 0.6-0.7 V, therefore
Figure 833929DEST_PATH_IMAGE034
Because Pressure stabilization function, have
Figure 2012104414469100002DEST_PATH_IMAGE035
So
Figure 364453DEST_PATH_IMAGE036
If flow through
Figure 905156DEST_PATH_IMAGE008
Electric current be I, then
In the circuit Resistance is 50 Ω, so have
Figure 509892DEST_PATH_IMAGE038
Change
Figure 35551DEST_PATH_IMAGE008
The large I of resistance change and allow the lowest high-current value that passes through.Current limliting all provides further protection to power circuit and load.
Three, the operation principle of the second level of the present invention voltage stabilizing circuit:
Second level voltage stabilizing circuit by LM317,
Figure 379945DEST_PATH_IMAGE011
,
Figure 674660DEST_PATH_IMAGE003
,
Figure 508624DEST_PATH_IMAGE010
,
Figure 459262DEST_PATH_IMAGE012
With Form.LM317 keeps the voltage that stability is very high by reference voltage source between output and adjustment end when normal operation
Figure 2012104414469100002DEST_PATH_IMAGE039
, its value is about 1.25 V, and reference voltage source provides electric current by the very high constant-current source of stability
Figure 2012104414469100002DEST_PATH_IMAGE041
, its value is about 50
Figure 379738DEST_PATH_IMAGE042
, during normal operation,
Figure 384603DEST_PATH_IMAGE044
Very little, representative value is 0.2
Figure 822537DEST_PATH_IMAGE042
Flow through
Figure 72515DEST_PATH_IMAGE012
The electric current perseverance be
Figure 2012104414469100002DEST_PATH_IMAGE045
Flow through The electric current perseverance be
Figure 517589DEST_PATH_IMAGE046
Therefore
Figure 2012104414469100002DEST_PATH_IMAGE047
Because
Figure 505137DEST_PATH_IMAGE040
Very little, when estimation, can ignore its impact, so
Figure 290297DEST_PATH_IMAGE048
During the LM317 normal operation, require a minimum working current
Figure 2012104414469100002DEST_PATH_IMAGE049
, its representative value is about 3.5mA, and maximum is 10mA, and when unloaded, this electric current only had
Figure 679690DEST_PATH_IMAGE012
With
Figure 760778DEST_PATH_IMAGE013
A path, so, if require also normally voltage stabilizing of LM317 when unloaded, then should guarantee to flow through
Figure 235622DEST_PATH_IMAGE012
Electric current
Figure 263621DEST_PATH_IMAGE050
Greater than , namely
Namely
Figure 526554DEST_PATH_IMAGE052
Because
Figure 160798DEST_PATH_IMAGE049
Maximum be 10mA, so should guarantee
Figure 2012104414469100002DEST_PATH_IMAGE053
Get
Figure 851542DEST_PATH_IMAGE054
, then
Figure 2012104414469100002DEST_PATH_IMAGE055
Figure 714062DEST_PATH_IMAGE013
Can be by one 10 Fixed value resistance and one 5.1
Figure 2012104414469100002DEST_PATH_IMAGE057
Potentiometer consist of, regulator potentiometer can obtain the output of 150 V burning voltages.
Adjusting the termination shunt capacitance
Figure 524072DEST_PATH_IMAGE011
Can provide one for the ripple voltage component of adjusting end to the low impedance path on ground, avoid ripple voltage to be exaggerated.Because
Figure 956191DEST_PATH_IMAGE013
Resistance is larger, so,
Figure 174683DEST_PATH_IMAGE011
Warp
Figure 535519DEST_PATH_IMAGE013
The discharge loop time constant very large, very strong to the inhibitory action of ripple, again because of
Figure 144355DEST_PATH_IMAGE013
Upper voltage is the part of output voltage, connects the Ripple Suppression performance that E2 also can obviously improve stabilized voltage power supply.Experiment shows, Hour, its appearance value is larger, and is just stronger to the inhibitory action of ripple, but surpasses 10
Figure 187583DEST_PATH_IMAGE058
After, the increase of appearance value can obviously not strengthen the inhibitory action to ripple, therefore select 10 Electric capacity gets final product.
Inputing or outputing when holding over the ground short circuit, The electric charge of middle storage can be by the discharge of LM317 internal circuit, and when output voltage was higher, discharging current can damage pressurizer, for this reason, and the access diode Be used to above-mentioned situation to provide one to release
Figure 451632DEST_PATH_IMAGE011
The path of middle electric charge, thereby protection pressurizer.At larger electric capacity of output termination
Figure 590489DEST_PATH_IMAGE003
Can prevent the generation of feedback regulation loop oscillatory occurences, reduce the internal resistance of source, improve transient response characteristic and the stability of power supply, make it have more the character of voltage source.
Four, the protection process during voltage stabilizing circuit voltage reversal of the present invention:
When the LM317 output is connected to larger electric capacity
Figure 236234DEST_PATH_IMAGE003
The time, if the current potential situation high than input A of output F can appear in short circuit or when outage between first order protective circuit input A and the ground, this may cause
Figure 813846DEST_PATH_IMAGE006
,
Figure 533540DEST_PATH_IMAGE004
Adjust the reverse breakdown of the e-b knot of pipe with pressurizer, between A and F, connect diode Can guarantee that the F end exceeds a tube voltage drop value than the A end at most, thus protection
Figure 976340DEST_PATH_IMAGE006
,
Figure 593529DEST_PATH_IMAGE004
And pressurizer.
Five, the selecting of each components and parts among the present invention:
Electric capacity
Figure 433309DEST_PATH_IMAGE001
,
Figure 976285DEST_PATH_IMAGE011
With
Figure 596623DEST_PATH_IMAGE003
All under high voltage, work, so select the enough devices of withstand voltage.During normal operation, ,
Figure 944744DEST_PATH_IMAGE004
C and e interpolar bear several 10 V forward voltages, power on instantaneous, voltage is up to 200 V on it, consider AC supply voltage possibility off-rating, therefore should select the above NPN triode of withstand voltage 300 V, because the cut-off current of this power supply is no more than 100 mA, therefore can select the collector electrode maximum permissible current greater than the triode of 100 mA.
During actual the use, load current can satisfy the requirement of the needed minimum working current of the normal voltage stabilizing of LM317 (representative value 3.5 mA, maximum 10 mA), so fully about 20 mA With
Figure 225911DEST_PATH_IMAGE013
Resistance just can obtain greatlyr, the power loss on it also can reduce greatly, actual getting Be 1
Figure 497810DEST_PATH_IMAGE056
,
Figure 382589DEST_PATH_IMAGE013
By one 100
Figure 649622DEST_PATH_IMAGE056
Fixed value resistance and one 51
Figure 910840DEST_PATH_IMAGE056
Potentiometer form,
Figure 579718DEST_PATH_IMAGE012
With
Figure 136864DEST_PATH_IMAGE013
On maximum power dissipation be about 0.22 W, Upper power consumption is very little, can be with the resistance of 0.25 W, 100 Fixed value resistance select 1 W, potentiometer selects 0.25 W's.
Figure 276224DEST_PATH_IMAGE012
With
Figure 706068DEST_PATH_IMAGE013
Determined the size of output voltage values, in order to reduce variations in temperature to the impact of output voltage,
Figure 10011DEST_PATH_IMAGE012
With
Figure 285134DEST_PATH_IMAGE013
Should select the resistance of the less same material of temperature coefficient, such as metalfilmresistor.
Figure 489457DEST_PATH_IMAGE012
With
Figure 886941DEST_PATH_IMAGE013
Getting larger resistance can reduce
Figure 615862DEST_PATH_IMAGE012
With
Figure 756994DEST_PATH_IMAGE013
On power consumption, select the resistance of relatively high power can obtain larger area of dissipation, this all is conducive to reduce the variations in temperature on it, thereby improves the precision of voltage regulation.But when unloaded, larger resistance
Figure 254971DEST_PATH_IMAGE012
With
Figure 88935DEST_PATH_IMAGE013
On the electric current that flows through less than the minimum working current of LM317, this can cause the idle voltage stabilizing precision to reduce, the actual unloaded output voltage of this circuit is about 170 V.

Claims (7)

1. a DC electric field improves 150V direct current of voltage regulation source circuit in the oil recovery rate method, it is characterized in that: 150V direct current of voltage regulation source circuit specifically constitutes in this DC electric field raising oil recovery rate method, transformer is connected with fuse, fuse connects bridge rectifier, bridge rectifier two ends the first electric capacity in parallel
Figure 2012104414469100001DEST_PATH_IMAGE001
, the first electric capacity
Figure 563416DEST_PATH_IMAGE001
An end connect first order pressure limiting circuit, the first electric capacity
Figure 986307DEST_PATH_IMAGE001
Other end ground connection; First order pressure limiting circuit connects the input of pressurizer LM317, pressurizer U 1Output connect second level voltage stabilizing circuit, connect the diode with reverse protection function between first order pressure limiting circuit and the second level voltage stabilizing circuit
Figure 435743DEST_PATH_IMAGE002
, the output of second level voltage stabilizing circuit connects the 3rd electric capacity
Figure 2012104414469100001DEST_PATH_IMAGE003
, the 3rd electric capacity Other end ground connection; The second level pressure limiting triode of first order pressure limiting circuit The output of base terminal and second level voltage stabilizing circuit between be connected zener diode
Figure 2012104414469100001DEST_PATH_IMAGE005
2. DC electric field according to claim 1 improves 150V direct current of voltage regulation source circuit in the oil recovery rate method, and it is characterized in that: described first order pressure limiting circuit comprises first order pressure limiting triode
Figure 178681DEST_PATH_IMAGE006
With second level pressure limiting triode
Figure 849834DEST_PATH_IMAGE004
, first order pressure limiting triode Base stage connect second level pressure limiting triode
Figure 96324DEST_PATH_IMAGE004
Emitter, first order pressure limiting triode
Figure 628062DEST_PATH_IMAGE006
Emitter and second level pressure limiting triode
Figure 724194DEST_PATH_IMAGE004
Emitter between the second resistance in parallel , and then the 3rd resistance of connecting
Figure 560432DEST_PATH_IMAGE008
First order pressure limiting triode
Figure 487936DEST_PATH_IMAGE006
Collector electrode and second level pressure limiting triode
Figure 626794DEST_PATH_IMAGE004
Collector electrode all be connected to the first resistance
Figure 2012104414469100001DEST_PATH_IMAGE009
, the first resistance
Figure 771074DEST_PATH_IMAGE009
The other end connect second level pressure limiting triode
Figure 83107DEST_PATH_IMAGE004
Base stage on.
3. DC electric field according to claim 1 and 2 improves 150V direct current of voltage regulation source circuit in the oil recovery rate method, it is characterized in that: described second level voltage stabilizing circuit constitute described pressurizer U 1Output and adjustable side between be connected on the one hand the first crystal diode , on the other hand with the second electric capacity
Figure 2012104414469100001DEST_PATH_IMAGE011
Connect the second electric capacity
Figure 502772DEST_PATH_IMAGE011
Other end ground connection; The 4th resistance
Figure 573497DEST_PATH_IMAGE012
With the first crystal diode
Figure 190685DEST_PATH_IMAGE010
Adjustable resistance of series connection after in parallel
Figure 2012104414469100001DEST_PATH_IMAGE013
, adjustable resistance
Figure 92782DEST_PATH_IMAGE013
Other end ground connection.
4. DC electric field according to claim 3 improves 150V direct current of voltage regulation source circuit in the oil recovery rate method, it is characterized in that: described transformer, fuse and power frequency 220V AC power consist of the transformation link.
5. DC electric field according to claim 4 improves 150V direct current of voltage regulation source circuit in the oil recovery rate method, it is characterized in that: described bridge rectifier two ends the first electric capacity in parallel
Figure 635759DEST_PATH_IMAGE001
Consist of the rectification link.
6. DC electric field according to claim 5 improves 150V direct current of voltage regulation source circuit in the oil recovery rate method, it is characterized in that: described diode with reverse protection function
Figure 928200DEST_PATH_IMAGE002
With the 3rd electric capacity
Figure 408466DEST_PATH_IMAGE003
Consist of the voltage reversal protective circuit.
7. DC electric field according to claim 5 improves 150V direct current of voltage regulation source circuit in the oil recovery rate method, it is characterized in that: described pressurizer U 1Be the LM317 integrated regulator.
CN2012104414469A 2012-11-08 2012-11-08 150V voltage stabilizing direct current power supply circuit in method of increasing recovery efficiency of oil field by direct current field Pending CN102904462A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012104414469A CN102904462A (en) 2012-11-08 2012-11-08 150V voltage stabilizing direct current power supply circuit in method of increasing recovery efficiency of oil field by direct current field

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012104414469A CN102904462A (en) 2012-11-08 2012-11-08 150V voltage stabilizing direct current power supply circuit in method of increasing recovery efficiency of oil field by direct current field

Publications (1)

Publication Number Publication Date
CN102904462A true CN102904462A (en) 2013-01-30

Family

ID=47576550

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012104414469A Pending CN102904462A (en) 2012-11-08 2012-11-08 150V voltage stabilizing direct current power supply circuit in method of increasing recovery efficiency of oil field by direct current field

Country Status (1)

Country Link
CN (1) CN102904462A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104393753A (en) * 2014-11-26 2015-03-04 广西大学 Multi-output voltage power circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220872A (en) * 1978-12-26 1980-09-02 Gte Sylvania Incorporated DC power supply circuit
US4855892A (en) * 1987-02-12 1989-08-08 Compaq Computer Corporation Power supply for plasma display
CN201972678U (en) * 2011-03-02 2011-09-14 东北石油大学 Device for utilizing direct current electric field to improve oilfield recovery ratio

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4220872A (en) * 1978-12-26 1980-09-02 Gte Sylvania Incorporated DC power supply circuit
US4855892A (en) * 1987-02-12 1989-08-08 Compaq Computer Corporation Power supply for plasma display
CN201972678U (en) * 2011-03-02 2011-09-14 东北石油大学 Device for utilizing direct current electric field to improve oilfield recovery ratio

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王东兴，江连会: ""一种精密稳压的150V直流电源电路"", 《压电与声光》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104393753A (en) * 2014-11-26 2015-03-04 广西大学 Multi-output voltage power circuit

Similar Documents

Publication Publication Date Title
CN103066666B (en) A kind of booster type battery charging management system and control method thereof
CN104811061A (en) Novel three-phase PFC (power factor correction) rectifier
CN108521223A (en) Switching power circuit
CN102348319A (en) Light-emitting diode lamp drive power supply
CN201584899U (en) Topological structure of power electronic transformer
CN201830159U (en) Adjustable direct current stabilized power supply
CN105792438A (en) Buck type single-stage LED drive circuit of unity power factor
CN202906767U (en) Switching power supply with continuously adjustable output voltage
CN100561816C (en) Burst current suppressing circuit and use its power supply device
CN206673592U (en) A kind of comprehensive compensation type alternating current steady voltage plug
CN203166755U (en) Regulated power supply with overvoltage prevention function
CN202276293U (en) An intelligent switch power source with constant output power
CN202310215U (en) LED lamp driving power supply
CN102611318A (en) Continuous adjustable power supply with variable structure and constant power
CN202019310U (en) 0V adjustable DC regulated power supply circuit based on LM 317 chip
CN102904462A (en) 150V voltage stabilizing direct current power supply circuit in method of increasing recovery efficiency of oil field by direct current field
CN206294076U (en) A kind of Novel DC mu balanced circuit
CN201298178Y (en) Mainboard power supply circuit of automatic coupling voltage regulating type AC stabilized voltage power supply
CN204967611U (en) Compound high -efficient power factor correction circuit
CN206226294U (en) A kind of ac buck regulating circuit
CN202713734U (en) High power factor fully isolated constant current drive LED illuminating lamp
CN208754063U (en) A kind of harmonic energy recycling circuit
CN202652085U (en) Watt offline flyback insulation type multi-output power supply
CN202444174U (en) Efficient and compact driving power supply used for diode pump laser
CN207719897U (en) A kind of wireless charging radiating circuit

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20130130