CN203374940U - Drive circuit of electromagnetic regulating valve - Google Patents
Drive circuit of electromagnetic regulating valve Download PDFInfo
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- CN203374940U CN203374940U CN201320476106.XU CN201320476106U CN203374940U CN 203374940 U CN203374940 U CN 203374940U CN 201320476106 U CN201320476106 U CN 201320476106U CN 203374940 U CN203374940 U CN 203374940U
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Abstract
The utility model relates to an electromagnetic control circuit, in particular to a drive circuit of an electromagnetic regulating valve. The drive circuit is characterized in that a working power circuit is formed by a rectifier transformer, a bridge-type rectifying circuit a, a filter capacitor a, a three-end voltage stabilization block and a filter capacitor b. A drive power circuit is formed by a bridge-type rectifying circuit b and a filter capacitor. A signal switching circuit is formed by an automatic signal input end, a potentiometer and a manual diverter switch. A driving circuit is formed by a biasing resistor a, a triode a, a biasing resistor b and a triode b. A drive output circuit is formed by a drive resistor, a field-effect tube, a drive output end a and a drive output end b. A indicator light circuit is formed by a current-limiting resistor a, a light-emitting diode a, a voltage stabilization diode a, a current-limiting resistor b, a light-emitting diode b, a voltage stabilization diode b, a current-limiting resistor c, a light-emitting diode c and a voltage stabilization diode c. The purpose is to provide the drive circuit for the electromagnetic regulating valve, so that rapid and accurate feeding of the electromagnetic regulating valve is achieved.
Description
Technical field
The utility model relates to a kind of electronic circuit, specially refers to a kind of electromagnetic control circuit.
Background technique
Solenoid valve comprises gas electromagnetic valve, steam electromagnetic valve, solenoid valve for water, oil solenoid valve and electromagnetic valve for refrigeration, and solenoid valve is controlled the execution utensil of flowing medium as automation, be widely used in household electrical appliances, weaving, light industry, urban construction industry.Solenoid valve is that the iron core in being sealed in the magnetic conduction sleeve pipe completes valve opening action with electromagnetic force, does not have motive sealing, so can avoid leaking outside, therefore, solenoid valve has and uses safe characteristics, is particularly useful for the medium of corrosivity, poisonous or high low temperature.
General solenoid valve can only be to be operated in standard-sized sheet or to cut out two states, and can not adjust flux.At flow accuracy, require high occasion to use electric control valve, the flow medium correctly distributes and controls, its valve mechanism and control loop complexity, and cost is higher.Reinforced for simple container, adopt the double-linked combination solenoid valve, can reach required precision and significantly reduce costs, the duplex solenoid valve is that a kind of solenoid valve of different sizes is combined, large valve provides the basis amount, and making feeds in raw material has approached in the short period of time, and then large valve cuts out, by the little valve amount of affording redress, make accurately reinforced.But have the shortcoming that structure is not compact, control accuracy is not high, and reliability has much room for improvement.
The patent application that " solenoid valve " of Chinese Patent Application No. 2013204699177 submitted to for the applicant, while being applied in automatic liquid feeder, by electromagnetic coil being applied to different electric currents, make the flow difference of solenoid valve, realize accurate measurement, when starting to feed in raw material, when electromagnetic coil is carried out to the total head energising, solenoid valve is opened fully, the flow maximum, and making feeds in raw material has approached in the short period of time, then carry out small flow reinforced, make to feed in raw material accurately, when electromagnetic coil is cut off the power supply, solenoid valve cuts out fully.
The model utility content
The purpose of this utility model is to provide a kind of drive circuit for solenoid valve, make solenoid valve realize reinforced not only soon but also accurate, and solenoid valve can be applied in chemical field, can flow medium correctly distribute and control, and installation cost is significantly lower than the cost of electric control valve.
The drive circuit of a kind of solenoid valve of the present utility model, is characterized in that drive circuit is mainly by working power circuit, driving power circuit, signal switching circuit, promote circuit, driver output circuit and indicator light circuit form, wherein, and by rectifier transformer (T), bridge rectifier a(VD1-4), filter capacitor a(C1), three-terminal regulator block (IC) and filter capacitor b(C2) form working power circuit, by bridge rectifier b(VD11-14) and filter capacitor c(C5) form driving power circuit, by automatic signal input end (Xh), potentiometer (RP) and MTS (K) form signal switching circuit, by biasing resistor a(R1), triode a(VT1), biasing resistor b(R2) and triode b(VT2) form to promote circuit, by driving resistance (R6), field effect transistor (VT3), drive output a(Y1) and drive output b(Y2) form the driver output circuit, by current-limiting resistance a(R3), light emitting diode a(VD5), reference diode a(VD6), current-limiting resistance b(R4), light emitting diode b(VD7), reference diode b(VD8), current-limiting resistance c(R5), light emitting diode c(VD9) and reference diode c(VD10) form indicator light circuit, power supply phase line input end (L) and zero-power line input end (N) are connected respectively to two input ends of rectifier transformer (T) armature winding, two output terminals of rectifier transformer (T) secondary windings are connected respectively to bridge rectifier a(VD1-4) two ac input ends, bridge rectifier a(VD1-4) cathode output end is connected to filter capacitor a(C1) positive pole and the input end of three-terminal regulator block (IC), the output terminal of three-terminal regulator block (IC) is connected to filter capacitor b(C2) positive pole, bridge rectifier a(VD1-4) negative pole, filter capacitor a(C1) negative pole, the grounding end of three-terminal regulator block (IC) and filter capacitor b(C2) negative pole form ground wire a after being connected, the output terminal of three-terminal regulator block (IC) and filter capacitor b(C2) positive pole form the positive pole (V+) of working power after being connected, power supply phase line input end (L) and zero-power line input end (N) are connected to again bridge rectifier b(VD11-14) two ac input ends, bridge rectifier b(VD11-14) cathode output end is connected to filter capacitor c(C5) positive pole, bridge rectifier b(VD11-14) negative pole and filter capacitor c(C5) negative pole form ground wire b, bridge rectifier b(VD11-14 after being connected) cathode output end and filter capacitor c(C5) positive pole is connected the positive pole (V0) that forms afterwards driving power, automatic signal input end (Xh) is connected to the break contact of MTS (K), the central movable pin of potentiometer (RP) is connected to the moving together contact of MTS (K), the center pole contact of MTS (K) is connected to biasing resistor a(R1) the first pin and biasing resistor b(R2) the first pin, the first pin of potentiometer (RP) is connected to the positive pole (V+) of working power, the tripod of potentiometer (RP) is connected to ground wire a, biasing resistor a(R1) crus secunda is connected to triode a(VT1) base stage, triode a(VT1) collector electrode is connected to the positive pole (V+) of working power, biasing resistor b(R2) crus secunda is connected to triode b(VT2) base stage, triode b(VT2) emitter is connected to triode a(VT1) emitter, triode b(VT2) collector electrode is connected to ground wire a, drive the first pin of resistance (R6) to be connected to triode a(VT1) emitter and triode b(VT2) emitter, the crus secunda of driving resistance (R6) is connected to the grid of field effect transistor (VT3), the source electrode of field effect transistor (VT3) is connected to ground wire b, the drain electrode of field effect transistor (VT3) is connected to drive output b(Y2), drive output a(Y1) be connected to the positive pole (V0) of driving power, triode a(VT1) emitter and triode b(VT2) emitter be connected to again current-limiting resistance a(R3) the first pin, current-limiting resistance b(R4) the first pin and current-limiting resistance c(R5) the first pin, current-limiting resistance a(R3) crus secunda is connected to light emitting diode a(VD5) anode, light emitting diode a(VD5) negative electrode is connected to reference diode a(VD6) negative electrode, current-limiting resistance b(R4) crus secunda is connected to light emitting diode b(VD7) anode, light emitting diode b(VD7) negative electrode is connected to reference diode b(VD8) negative electrode, current-limiting resistance c(R5) crus secunda is connected to light emitting diode c(VD9) anode, light emitting diode c(VD9) negative electrode is connected to reference diode c(VD10) negative electrode, reference diode a(VD6) anode, reference diode b(VD8) anode and reference diode c(VD10) anodic bonding to ground wire a.
In the utility model, bypass capasitor (C3) is arranged between the grid of being on the scene effect pipe (VT3) and ground wire b; Between the drain electrode of being on the scene effect pipe (VT3) and source electrode, clamp diode b(VD16 is arranged), clamp diode b(VD16) negative electrode is connected to the drain electrode of field effect transistor (VT3), clamp diode b(VD16) anodic bonding to the source electrode of field effect transistor (VT3); At drive output a(Y1) and drive output b(Y2) between clamp diode a(VD15 is arranged), clamp diode a(VD15) negative electrode is connected to drive output a(Y1), clamp diode a(VD15) anodic bonding to drive output b(Y2); Between ground wire a and ground wire b, transition resistance a(R7 is arranged), transition capacitance device (C4) and transition resistance b(R8), transition resistance a(R7) the first pin is connected to ground wire b, transition resistance a(R7) crus secunda is connected to the first pin and the transition resistance b(R8 of transition capacitance device (C4)) the first pin, the crus secunda of transition capacitance device (C4) and transition resistance b(R8) crus secunda be connected to ground wire a.
Circuit of the present utility model is placed between control apparatus and solenoid valve, during concrete application, the signal output part of control apparatus is connected to the automatic signal input end (Xh) of this drive circuit, the drive output a(Y1 of this drive circuit) and drive output b(Y2) be connected to the electromagnetic coil terminal of solenoid valve, MTS (K) is placed in automatic transmission, when control apparatus is the reinforced controller of simple receptacle, initial what feed in raw material, controller is carried the signal of whole range voltage to the automatic signal input end (Xh) of this drive circuit, respectively by biasing resistor a(R1) and biasing resistor b(R2) synchronously be input to triode a(VT1) base stage and triode b(VT2) base stage, make triode a(VT1) and triode b(VT2) the driving signal of mid point output whole range to the grid of field effect transistor (VT3), make the internal resistance minimum of the drain-source interpolar of field effect transistor (VT3), the electromagnetic coil of solenoid valve obtains the driving current of full voltage from driving power (V0), make solenoid valve open degree maximum, making feeds in raw material has approached in the short period of time, when reinforced having approached, controller is carried the signal of low amplitude voltage to the automatic signal input end (Xh) of this drive circuit, make triode a(VT1) and triode b(VT2) the driving signal of mid point output low amplitude to the grid of field effect transistor (VT3), make the internal resistance increase of drain-source interpolar of field effect transistor (VT3) larger, the electromagnetic coil of solenoid valve obtains less driving current from driving power (V0), make the solenoid valve open degree less, make accurately reinforced, when having fed in raw material, controller stops sending a signal to the automatic signal input end (Xh) of this drive circuit, make triode a(VT1) and triode b(VT2) the signal of mid point output be zero, make field effect transistor (VT3) cut-off, the electromagnetic coil dead electricity of solenoid valve, solenoid valve is closed.When controller that control apparatus is chemical producing system, controller is carried the signal voltage of certain amplitude to the automatic signal input end (Xh) of this drive circuit by the data of setting, make triode a(VT1) and triode b(VT2) the driving signal of mid point output certain amplitude to the grid of field effect transistor (VT3), make the internal resistance of the drain-source interpolar of field effect transistor (VT3) reach certain, thereby the electromagnetic coil of solenoid valve obtains certain driving current, solenoid valve flow medium is correctly distributed, when controller detects the error flow, to the voltage signal of automatic signal input end (Xh) feed correction of this drive circuit, make solenoid valve increase or reduce open degree, thereby calibrated flow.
In above-mentioned model utility, MTS (K) is set and can makes drive circuit take to use manually-operable, when MTS (K) is switched to when manual, by regulator potentiometer (RP), the flow of solenoid valve is met the demands, light emitting diode a(VD5), light emitting diode b(VD7) and light emitting diode c(VD9) form three level work tutorial light, in indicator light circuit, reference diode a(VD6), reference diode b(VD8) and reference diode c(VD10) the voltage stabilizing value increase step by step, when the output signal voltage that promotes circuit increases gradually, light emitting diode a(VD5), light emitting diode b(VD7) and light emitting diode c(VD9) will light successively, because the open degree of solenoid valve is determined with the height of the output signal voltage that promotes circuit, therefore, light emitting diode a(VD5), light emitting diode b(VD7) and light emitting diode c(VD9) light the open degree that indicates solenoid valve, increase the progression of tutorial light, can make indication more accurate.
The beneficial effects of the utility model are: the drive circuit of a kind of solenoid valve of design, make solenoid valve realize reinforced not only soon but also accurate, and solenoid valve can be applied in chemical field, can flow medium correctly distribute and control, and installation cost is significantly lower than the cost of electric control valve.
The accompanying drawing explanation
Accompanying drawing 1 is the skeleton diagram of a kind of solenoid valve drive circuit of the present utility model.
Accompanying drawing 2 is circuit diagram of a kind of solenoid valve drive circuit of the present utility model.
In figure: R1. biasing resistor a, R2. biasing resistor b, R3. current-limiting resistance a, R4. current-limiting resistance b, R5. current-limiting resistance c, R6. drive resistance, R7. transition resistance a, R8. transition resistance b, RP. potentiometer, C1. filter capacitor a, C2. filter capacitor b, C3. bypass capasitor, C4. transition capacitance device, C5. filter capacitor c, VD1-4. bridge rectifier a, VD5. light emitting diode a, VD6. reference diode a, VD7. light emitting diode b, VD8. reference diode b, VD9. light emitting diode c, VD10. reference diode c, VD11-14. bridge rectifier b, VD15. clamp diode a, VD16. clamp diode b, IC. three-terminal regulator block, VT1. triode a, VT2. triode b, VT3. field effect transistor, T. rectifier transformer, K. MTS, Xh. automatic signal input end, Xd. interface of the ground wire, L. power supply phase line input end, N. zero-power line input end, V+. the positive pole of working power, V0. the positive pole of driving power, Y1. drive output a, Y2. drive output b.
Embodiment
Embodiment's accompanying drawing 1, in embodiment shown in 2, the drive circuit of solenoid valve is mainly by working power circuit, driving power circuit, signal switching circuit, promote circuit, driver output circuit and indicator light circuit form, wherein, and by rectifier transformer (T), bridge rectifier a(VD1-4), filter capacitor a(C1), three-terminal regulator block (IC) and filter capacitor b(C2) form working power circuit, by bridge rectifier b(VD11-14) and filter capacitor c(C5) form driving power circuit, by automatic signal input end (Xh), potentiometer (RP) and MTS (K) form signal switching circuit, by biasing resistor a(R1), triode a(VT1), biasing resistor b(R2) and triode b(VT2) form to promote circuit, by driving resistance (R6), field effect transistor (VT3), drive output a(Y1) and drive output b(Y2) form the driver output circuit, by current-limiting resistance a(R3), light emitting diode a(VD5), reference diode a(VD6), current-limiting resistance b(R4), light emitting diode b(VD7), reference diode b(VD8), current-limiting resistance c(R5), light emitting diode c(VD9) and reference diode c(VD10) form indicator light circuit, power supply phase line input end (L) and zero-power line input end (N) are connected respectively to two input ends of rectifier transformer (T) armature winding, two output terminals of rectifier transformer (T) secondary windings are connected respectively to bridge rectifier a(VD1-4) two ac input ends, bridge rectifier a(VD1-4) cathode output end is connected to filter capacitor a(C1) positive pole and the input end of three-terminal regulator block (IC), the output terminal of three-terminal regulator block (IC) is connected to filter capacitor b(C2) positive pole, bridge rectifier a(VD1-4) negative pole, filter capacitor a(C1) negative pole, the grounding end of three-terminal regulator block (IC) and filter capacitor b(C2) negative pole form ground wire a after being connected, the output terminal of three-terminal regulator block (IC) and filter capacitor b(C2) positive pole form the positive pole (V+) of working power after being connected, power supply phase line input end (L) and zero-power line input end (N) are connected to again bridge rectifier b(VD11-14) two ac input ends, bridge rectifier b(VD11-14) cathode output end is connected to filter capacitor c(C5) positive pole, bridge rectifier b(VD11-14) negative pole and filter capacitor c(C5) negative pole form ground wire b, bridge rectifier b(VD11-14 after being connected) cathode output end and filter capacitor c(C5) positive pole is connected the positive pole (V0) that forms afterwards driving power, automatic signal input end (Xh) is connected to the break contact of MTS (K), the central movable pin of potentiometer (RP) is connected to the moving together contact of MTS (K), the center pole contact of MTS (K) is connected to biasing resistor a(R1) the first pin and biasing resistor b(R2) the first pin, the first pin of potentiometer (RP) is connected to the positive pole (V+) of working power, the tripod of potentiometer (RP) is connected to ground wire a, biasing resistor a(R1) crus secunda is connected to triode a(VT1) base stage, triode a(VT1) collector electrode is connected to the positive pole (V+) of working power, biasing resistor b(R2) crus secunda is connected to triode b(VT2) base stage, triode b(VT2) emitter is connected to triode a(VT1) emitter, triode b(VT2) collector electrode is connected to ground wire a, drive the first pin of resistance (R6) to be connected to triode a(VT1) emitter and triode b(VT2) emitter, drive the crus secunda of resistance (R6) to be connected to the grid of field effect transistor (VT3) and the first pin of bypass capasitor (C3), the crus secunda of bypass capasitor (C3) is connected to ground wire b, the drain electrode of field effect transistor (VT3) is connected to drive output b(Y2), clamp diode b(VD16) negative electrode and clamp diode a(VD15) anode, the source electrode of field effect transistor (VT3) and clamp diode b(VD16) anodic bonding to ground wire b, clamp diode a(VD15) negative electrode is connected to drive output a(Y1), drive output a(Y1) be connected to the positive pole (V0) of driving power, triode a(VT1) emitter and triode b(VT2) emitter be connected to again current-limiting resistance a(R3) the first pin, current-limiting resistance b(R4) the first pin and current-limiting resistance c(R5) the first pin, current-limiting resistance a(R3) crus secunda is connected to light emitting diode a(VD5) anode, light emitting diode a(VD5) negative electrode is connected to reference diode a(VD6) negative electrode, current-limiting resistance b(R4) crus secunda is connected to light emitting diode b(VD7) anode, light emitting diode b(VD7) negative electrode is connected to reference diode b(VD8) negative electrode, current-limiting resistance c(R5) crus secunda is connected to light emitting diode c(VD9) anode, light emitting diode c(VD9) negative electrode is connected to reference diode c(VD10) negative electrode, reference diode a(VD6) anode, reference diode b(VD8) anode and reference diode c(VD10) anodic bonding to ground wire a, transition resistance a(R7) the first pin is connected to ground wire b, transition resistance a(R7) crus secunda is connected to the first pin and the transition resistance b(R8 of transition capacitance device (C4)) the first pin, the crus secunda of transition capacitance device (C4) and transition resistance b(R8) crus secunda be connected to ground wire a.
The circuit of the present embodiment is placed between control apparatus and solenoid valve, the signal output part of control apparatus is connected to the automatic signal input end (Xh) of drive circuit, the drive output a(Y1 of drive circuit) and drive output b(Y2) be connected to the terminal of solenoid valve, MTS (K) is placed in automatic transmission, controller is carried the signal voltage of certain amplitude to the automatic signal input end (Xh) of this drive circuit by the data of setting, make triode a(VT1) and triode b(VT2) the driving signal of mid point output certain amplitude to the grid of field effect transistor (VT3), make the internal resistance of the drain-source interpolar of field effect transistor (VT3) reach certain, thereby the electromagnetic coil of solenoid valve obtains certain driving current, solenoid valve flow medium is correctly distributed, when controller detects the error flow, to the voltage signal of automatic signal input end (Xh) feed correction of this drive circuit, make solenoid valve increase or reduce open degree, thereby calibrated flow.
Claims (5)
1. the drive circuit of a solenoid valve, is characterized in that drive circuit is mainly by working power circuit, driving power circuit, signal switching circuit, promote circuit, driver output circuit and indicator light circuit form, wherein, and by rectifier transformer (T), bridge rectifier a(VD1-4), filter capacitor a(C1), three-terminal regulator block (IC) and filter capacitor b(C2) form working power circuit, by bridge rectifier b(VD11-14) and filter capacitor c(C5) form driving power circuit, by automatic signal input end (Xh), potentiometer (RP) and MTS (K) form signal switching circuit, by biasing resistor a(R1), triode a(VT1), biasing resistor b(R2) and triode b(VT2) form to promote circuit, by driving resistance (R6), field effect transistor (VT3), drive output a(Y1) and drive output b(Y2) form the driver output circuit, by current-limiting resistance a(R3), light emitting diode a(VD5), reference diode a(VD6), current-limiting resistance b(R4), light emitting diode b(VD7), reference diode b(VD8), current-limiting resistance c(R5), light emitting diode c(VD9) and reference diode c(VD10) form indicator light circuit,
Power supply phase line input end (L) and zero-power line input end (N) are connected respectively to two input ends of rectifier transformer (T) armature winding, two output terminals of rectifier transformer (T) secondary windings are connected respectively to bridge rectifier a(VD1-4) two ac input ends, bridge rectifier a(VD1-4) cathode output end is connected to filter capacitor a(C1) positive pole and the input end of three-terminal regulator block (IC), the output terminal of three-terminal regulator block (IC) is connected to filter capacitor b(C2) positive pole, bridge rectifier a(VD1-4) negative pole, filter capacitor a(C1) negative pole, the grounding end of three-terminal regulator block (IC) and filter capacitor b(C2) negative pole form ground wire a after being connected, the output terminal of three-terminal regulator block (IC) and filter capacitor b(C2) positive pole form the positive pole (V+) of working power after being connected, power supply phase line input end (L) and zero-power line input end (N) are connected to again bridge rectifier b(VD11-14) two ac input ends, bridge rectifier b(VD11-14) cathode output end is connected to filter capacitor c(C5) positive pole, bridge rectifier b(VD11-14) negative pole and filter capacitor c(C5) negative pole form ground wire b, bridge rectifier b(VD11-14 after being connected) cathode output end and filter capacitor c(C5) positive pole is connected the positive pole (V0) that forms afterwards driving power, automatic signal input end (Xh) is connected to the break contact of MTS (K), the central movable pin of potentiometer (RP) is connected to the moving together contact of MTS (K), the center pole contact of MTS (K) is connected to biasing resistor a(R1) the first pin and biasing resistor b(R2) the first pin, the first pin of potentiometer (RP) is connected to the positive pole (V+) of working power, the tripod of potentiometer (RP) is connected to ground wire a, biasing resistor a(R1) crus secunda is connected to triode a(VT1) base stage, triode a(VT1) collector electrode is connected to the positive pole (V+) of working power, biasing resistor b(R2) crus secunda is connected to triode b(VT2) base stage, triode b(VT2) emitter is connected to triode a(VT1) emitter, triode b(VT2) collector electrode is connected to ground wire a, drive the first pin of resistance (R6) to be connected to triode a(VT1) emitter and triode b(VT2) emitter, the crus secunda of driving resistance (R6) is connected to the grid of field effect transistor (VT3), the source electrode of field effect transistor (VT3) is connected to ground wire b, the drain electrode of field effect transistor (VT3) is connected to drive output b(Y2), drive output a(Y1) be connected to the positive pole (V0) of driving power, triode a(VT1) emitter and triode b(VT2) emitter be connected to again current-limiting resistance a(R3) the first pin, current-limiting resistance b(R4) the first pin and current-limiting resistance c(R5) the first pin, current-limiting resistance a(R3) crus secunda is connected to light emitting diode a(VD5) anode, light emitting diode a(VD5) negative electrode is connected to reference diode a(VD6) negative electrode, current-limiting resistance b(R4) crus secunda is connected to light emitting diode b(VD7) anode, light emitting diode b(VD7) negative electrode is connected to reference diode b(VD8) negative electrode, current-limiting resistance c(R5) crus secunda is connected to light emitting diode c(VD9) anode, light emitting diode c(VD9) negative electrode is connected to reference diode c(VD10) negative electrode, reference diode a(VD6) anode, reference diode b(VD8) anode and reference diode c(VD10) anodic bonding to ground wire a.
2. the drive circuit of a kind of solenoid valve according to claim 1, is characterized in that, between the grid of being on the scene effect pipe (VT3) and ground wire b, bypass capasitor (C3) is arranged.
3. the drive circuit of a kind of solenoid valve according to claim 1, it is characterized in that, between the drain electrode of being on the scene effect pipe (VT3) and source electrode, clamp diode b(VD16 is arranged), clamp diode b(VD16) negative electrode is connected to the drain electrode of field effect transistor (VT3), clamp diode b(VD16) anodic bonding to the source electrode of field effect transistor (VT3).
4. the drive circuit of a kind of solenoid valve according to claim 1, it is characterized in that at drive output a(Y1) and drive output b(Y2) between clamp diode a(VD15 is arranged), clamp diode a(VD15) negative electrode is connected to drive output a(Y1), clamp diode a(VD15) anodic bonding to drive output b(Y2).
5. the drive circuit of a kind of solenoid valve according to claim 1, it is characterized in that, between ground wire a and ground wire b, transition resistance a(R7 is arranged), transition capacitance device (C4) and transition resistance b(R8), transition resistance a(R7) the first pin is connected to ground wire b, transition resistance a(R7) crus secunda is connected to the first pin and the transition resistance b(R8 of transition capacitance device (C4)) the first pin, the crus secunda of transition capacitance device (C4) and transition resistance b(R8) crus secunda be connected to ground wire a.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476106.XU CN203374940U (en) | 2013-08-06 | 2013-08-06 | Drive circuit of electromagnetic regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320476106.XU CN203374940U (en) | 2013-08-06 | 2013-08-06 | Drive circuit of electromagnetic regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203374940U true CN203374940U (en) | 2014-01-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320476106.XU Expired - Fee Related CN203374940U (en) | 2013-08-06 | 2013-08-06 | Drive circuit of electromagnetic regulating valve |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106067800A (en) * | 2016-06-29 | 2016-11-02 | 浙江桃园科技有限公司 | NMOS tube high voltage high-speed driving circuit |
| CN109270868A (en) * | 2018-10-24 | 2019-01-25 | 安徽锐视光电技术有限公司 | A kind of height driving system for electromagnetic valve |
-
2013
- 2013-08-06 CN CN201320476106.XU patent/CN203374940U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106067800A (en) * | 2016-06-29 | 2016-11-02 | 浙江桃园科技有限公司 | NMOS tube high voltage high-speed driving circuit |
| CN109270868A (en) * | 2018-10-24 | 2019-01-25 | 安徽锐视光电技术有限公司 | A kind of height driving system for electromagnetic valve |
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