CN204628737U - A kind of gas electromagnetic valve control circuit - Google Patents
A kind of gas electromagnetic valve control circuit Download PDFInfo
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- CN204628737U CN204628737U CN201520134876.5U CN201520134876U CN204628737U CN 204628737 U CN204628737 U CN 204628737U CN 201520134876 U CN201520134876 U CN 201520134876U CN 204628737 U CN204628737 U CN 204628737U
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Abstract
The utility model discloses a kind of gas electromagnetic valve control circuit, comprising: Ac AC 200V, the first triode G1, the second triode G2, the 3rd triode G3, the 4th triode G4, the 5th triode G5; First electric capacity C1 and electric capacity C; Schottky diode US, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th diode D8; First resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, wherein, the interchange AC 220V capacitance decompression full wave rectifier stable-pressure device of described first electric capacity C1, the first diode D1, Schottky diode US composition, described Ac AC220V is by described first electric capacity C1, the first resistance R1, and be depressurized to the first diode D1, finally enter into Schottky diode US, full wave rectifier is carried out by it, and finally by the second resistance R2, and form the direct-current power source supply device of 27V.
Description
Technical field
The utility model relates to a kind of control circuit of solenoid valve, particularly relates to the gas electromagnetic valve control circuit that a kind of hand is opened, power-off is closed.
Background technique
The solenoid valve of rock gas is the capital equipment in fuel gas transmission equipment, along with the development of national economy, extensive use in the facility of production, life, is absolutely necessary for control gear, simultaneously for control gear, the safety on using function, reliability are even more important.
In the prior art, 1. the control circuit of solenoid valve is when carrying out the electromagnetic coil driving solenoid valve, need certain electric current just can control, existing control circuit all needs enough large electric current under normal circumstances and maintains, just can ensure the normal work of solenoid valve, therefore the operation energy consumption of solenoid valve is higher in the case; 2. because power supply voltage occurs that voltage instantaneous changes sometimes, thus cause the misoperation of Controlling solenoid valve, and affect the overall operation of whole equipment; 3. solenoid valve control circuit poor anti jamming capability, when in the malfunctioning situation of external signal, electromagnetic coil will continue energising, electromagnetic coil overload fire hazardous, and form sunken safely suffering from.
Model utility content
In view of this, main purpose of the present utility model is to provide the gas electromagnetic valve control circuit that a kind of hand is opened, power-off is closed, pass through the technical program, utilize electric capacity as energy-storage travelling wave tube, control circuit carries out work under lower operating voltage, when needs drive solenoid valve, by energy-storage travelling wave tube, the solenoid valve in control circuit is carried out to electricity, not only ensure that the normal work of solenoid valve, and greatly reduce the operating amperage of control circuit, achieve energy-conservation object.
In order to achieve the above object, the technical solution of the utility model is achieved in that
A kind of gas electromagnetic valve control circuit, comprising: Ac AC 200V, the first triode G1, the second triode G2, the 3rd triode G3, the 4th triode G4, the 5th triode G5; First electric capacity C1 and electric capacity C; Schottky diode US, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th diode D8; First resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, wherein, the interchange AC 220V capacitance decompression full wave rectifier stable-pressure device of described first electric capacity C1, the first diode D1, Schottky diode US composition, described Ac AC220V is by described first electric capacity C1, the first resistance R1, and be depressurized to the first diode D1, finally enter into Schottky diode US, full wave rectifier is carried out by it, and finally by the second resistance R2, and form the direct-current power source supply device of 27V.
Further, preferred structure is, described second diode D2, the 3rd diode D3, form a non-return device, and the 3rd diode D3 connects direct current DC24V, described first diode D1, the second diode D2, form a double-power source and optionally use device, and the double loop forming described Ac AC220V and direct current DC24V selects arbitrarily power supply to select device.
Further, preferred structure is described second electric capacity C2, the 3rd resistance R3, the 4th resistance R4, the first triode G1 form delay switching device, when outer power supply has a power failure, its C2 to R3, R4 discharge 2 ~ 3 second time, and its G1 ends, to the electric discharge of C3, R5 composition, make G1 emitter high petential, obtain G3 base stage high petential, G3 conducting, with regard to this G5 base stage high petential conducting, its C achieves the action of cup type electromagnet through the electric discharge of the Q coil of wire.
Further, preferred structure is when the composition such as the 4th triode G4 and the second triode G2 has a power failure or pilot switch capacitor discharge closes valve, prevents power supply continuation power supply from damaging the safety device of coil.
Beneficial effect after employing technique scheme is:
Pass through the technical program, utilize electric capacity as energy-storage travelling wave tube, control circuit carries out work under lower operating voltage, when needs drive solenoid valve, by energy-storage travelling wave tube, the solenoid valve in control circuit is carried out to electricity, not only ensure that the normal work of solenoid valve, and greatly reduce the operating amperage of control circuit, achieve energy-conservation object, add delay function simultaneously, stop the misoperation produced due to interference, the product of the technical program is on operation controls, in safety protection, energy-saving effect all has excellent performance, there is good application value.
Accompanying drawing explanation
Fig. 1 is the control circuit schematic diagram of the utility model gas electromagnetic valve;
Fig. 2 is the general assembly schematic diagram of the utility model gas electromagnetic valve control circuit;
Fig. 3 is the module diagram of the utility model gas electromagnetic valve control circuit;
Fig. 4 is the module diagram of the utility model gas electromagnetic valve control circuit;
Fig. 5 is the module diagram of the utility model gas electromagnetic valve control circuit.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment in the utility model is described in further detail.
As shown in Fig. 1,2,3,4,5, a kind of gas electromagnetic valve control circuit, comprising: Ac AC 200V, the first triode G1, the second triode G2, the 3rd triode G3, the 4th triode G4, the 5th triode G5; First electric capacity C1 and electric capacity C; Schottky diode US, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th diode D8; First resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, wherein, the interchange AC 220V capacitance decompression full wave rectifier stable-pressure device of described first electric capacity C1, the first diode D1, Schottky diode US composition, described Ac AC220V is by described first electric capacity C1, the first resistance R1, and be depressurized to the first diode D1, finally enter into Schottky diode US, full wave rectifier is carried out by it, and finally by the second resistance R2, and form the direct-current power source supply device of 27V.
Further, preferred structure is, described second diode D2, the 3rd diode D3, form a non-return device, and the 3rd diode D3 connects direct current DC24V, described first diode D1, the second diode D2, form a double-power source and optionally use device, and the double loop forming described Ac AC220V and direct current DC24V selects arbitrarily power supply to select device.
Further, preferred structure is described second electric capacity C2, the 3rd resistance R3, the 4th resistance R4, the first triode G1 form delay switching device, when outer power supply has a power failure, its C2 to R3, R4 discharge 2 ~ 3 second time, and its G1 ends, to the electric discharge of C3, R5 composition, make G1 emitter high petential, obtain G3 base stage high petential, G3 conducting, with regard to this G5 base stage high petential conducting, its C achieves the action of cup type electromagnet through the electric discharge of the Q coil of wire.
Further, preferred structure is when the composition such as the 4th triode G4 and the second triode G2 has a power failure or pilot switch capacitor discharge closes valve, prevents power supply continuation power supply from damaging the safety device of coil.
Wherein, with reference to Fig. 1, namely this novel gas security solenoid valve has the power failure of former normal close type to close valve function, has again the comprehensive functions such as the manual valve opening of former open type, its major function relies on inside to set up control gear to realize, existing as follows for control principle drawing decomposition principle supplementary notes:
1,1., be 2. that AC220V to C1, R1 are depressurized to D1 full wave rectifier US in figure, the hidden pressure of R2 achieves 27V direct-current power source supply device.
2, form non-return device by D2, D3 commutation diode in figure, composition 1., 2. AC220V with 3., 4. DC24V double loop select arbitrarily power supply to select device.
3, in figure in normal power-up, by the existing hidden pressure of rectification of DC24V or AC220V, directly charged to C storage capacitor through D4 by switching tube G4j, under normal operating conditions, its C storage capacitor store electrical energy all the time, charging current is very little, is only the charging current that IC is very little, at this point, during valve energising runs, substantially without power consumption, during visible valve energising runs, achieve energy-saving safety without temperature rise and effectively ensure reliably.
4, delay switching device is formed by C2, R3, R4, G1 in figure, when outer power supply has a power failure, its C2 to R3, R4 discharge 2 ~ 3 second time, and its G1 ends, to the electric discharge of C3, R5 composition, make G1 emitter high petential, obtain G3 base stage high petential, G3 conducting, with regard to this G5 base stage high petential conducting, its C achieves the action of cup type electromagnet through the electric discharge of the Q coil of wire, unblanks to close the devices such as valve, achieves the function that valve is closed in power failure time delay at this point.
5, when valve normally runs, its gas monitor and control switch motion, its 5., 6. loop conducting, by R8 through pilot switch, make the conducting of G5 base stage high petential through D6, its storage capacitor C to the Q coil of wire electric discharge, cup type iron core build magnetic unblank close valve.At the same time through R9, G2 base stage high petential, and conducting, it launches very zero potential, and G4 ends, with regard to this current supply circuit power-off eliminate 5., 6. supervisory signal is malfunctioning time, power supply continues the hidden danger burning out coil to Q coil power supply.
6, as we know from the figure, this novel valve is always Weak current to capacitor charging, is C storage capacitor to Q coil discharge, unblanks during closedown in running, and closes valve, as seen its functional safety reliable (specifically seeing that stone figure is cutd open in general assembly)
This novel normally closed solenoid valve control characteristic:
1, this valve control device operation energising is only the IC electric current that storage capacitor charges small all the time, and very little to power supply line's loss, without pressure drop, this valve can have the feature at remote power feeding as seen.
2, the monitoring of this novel valve control gear controls for often opening passive switch eventually, and inside is equipped with small Pulse Width Control, as seen in length of run monitoring controls, many places control function can be established, can establish gas monitor and control, fire fighting monitoring, the many places such as emergency cock control are arranged on the spot.
Last it is noted that the foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, although be described in detail the utility model with reference to previous embodiment, for a person skilled in the art, it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a gas electromagnetic valve control circuit, is characterized in that, comprising: Ac AC 200V, the first triode G1, the second triode G2, the 3rd triode G3, the 4th triode G4, the 5th triode G5; First electric capacity C1 and electric capacity C; Schottky diode US, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the 5th diode D5, the 6th diode D6, the 7th diode D7, the 8th diode D8; First resistance R1, the second resistance R2, the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, wherein, the interchange AC 220V capacitance decompression full wave rectifier stable-pressure device of described first electric capacity C1, the first diode D1, Schottky diode US composition, described Ac AC220V is by described first electric capacity C1, the first resistance R1, and be depressurized to the first diode D1, finally enter into Schottky diode US, full wave rectifier is carried out by it, and finally by the second resistance R2, and form the direct-current power source supply device of 27V.
2. gas electromagnetic valve control circuit according to claim 1, it is characterized in that, described second diode D2, the 3rd diode D3, form a non-return device, and the 3rd diode D3 connects direct current DC24V, described first diode D1, the second diode D2, form a double-power source and optionally use device, and the double loop forming described Ac AC220V and direct current DC24V selects arbitrarily power supply to select device.
3. gas electromagnetic valve control circuit according to claim 1, it is characterized in that, also be provided with the second electric capacity C2 and the 3rd electric capacity C3, described second electric capacity C2, 3rd resistance R3, 4th resistance R4, first triode G1 forms delay switching device, when outer power supply has a power failure, its second electric capacity C2 is to the 3rd resistance R3, 4th resistance R4 discharges 2 ~ 3 second time, its first triode G1 ends, to the 3rd electric capacity C3, 5th resistance R5 forms electric discharge, make the first triode G1 emitter high petential, obtain the 3rd triode G3 base stage high petential, 3rd triode G3 conducting, 5th triode G5 base stage high petential conducting at this point, its electric capacity C achieves the action of cup type electromagnet through the electric discharge of the Q coil of wire.
4. gas electromagnetic valve control circuit according to claim 1, is characterized in that, when the 4th triode G4 and the second triode G2 forms power failure or pilot switch capacitor discharge pass valve, prevents power supply continuation power supply from damaging the safety device of coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520134876.5U CN204628737U (en) | 2015-03-10 | 2015-03-10 | A kind of gas electromagnetic valve control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520134876.5U CN204628737U (en) | 2015-03-10 | 2015-03-10 | A kind of gas electromagnetic valve control circuit |
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| CN204628737U true CN204628737U (en) | 2015-09-09 |
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| CN201520134876.5U Active CN204628737U (en) | 2015-03-10 | 2015-03-10 | A kind of gas electromagnetic valve control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747777A (en) * | 2015-03-10 | 2015-07-01 | 浙江汉特姆阀门有限公司 | Fuel gas electromagnetic valve control circuit |
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- 2015-03-10 CN CN201520134876.5U patent/CN204628737U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747777A (en) * | 2015-03-10 | 2015-07-01 | 浙江汉特姆阀门有限公司 | Fuel gas electromagnetic valve control circuit |
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