CN209977390U - Electromagnetic valve driving circuit - Google Patents
Electromagnetic valve driving circuit Download PDFInfo
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- CN209977390U CN209977390U CN201920865845.5U CN201920865845U CN209977390U CN 209977390 U CN209977390 U CN 209977390U CN 201920865845 U CN201920865845 U CN 201920865845U CN 209977390 U CN209977390 U CN 209977390U
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- solenoid valve
- electromagnetic valve
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- timing controller
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Abstract
The utility model discloses a solenoid valve drive circuit, including solenoid valve, timing controller, wave filter, the output termination electric capacity C6, TVS diode and relay J1 of solenoid valve, the input termination commercial power of solenoid valve, timing controller's input termination solenoid valve's output, the input termination timing controller's of wave filter output, the output termination diode D6 of wave filter. The electromagnetic valve driving circuit starts the electromagnetic valve at high power through one path of double-power control module, opens the valve, and reduces the power by half after 5-8 seconds to enable the electromagnetic valve to be in a low-power maintaining state, thereby achieving the purpose of cooling and reducing the energy of the coil; when the electromagnetic valve is in a holding state, the service life device in the old module is changed to be out of work, the power supply load is reduced, elements such as a rectifier bridge are effectively protected to be matched on an electromagnetic reading line, and the electromagnetic valve is controlled to be opened and closed.
Description
Technical Field
The utility model belongs to the technical field of the solenoid valve drive circuit, concretely relates to solenoid valve drive circuit.
Background
At present, with the continuous perfect performance of a solenoid valve, a high-voltage direct drive of 220V can be used, compared with a traditional low-voltage indirect drive of 24V, a high-voltage drive circuit has the advantages of rapid response, convenience in use, low power consumption and the like, and is widely applied to industrial control equipment, particularly to a fuel injection system to improve the sensitivity of the equipment, enable the mechanical action response of the equipment to be faster and increase the use efficiency of fuel.
According to the solenoid valve drive circuit who improves structure that patent CN201220729424.8 proposed, including zero cross detection return circuit (1), main control chip return circuit (2) and solenoid valve drive circuit (3), its characterized in that: the input end of the zero-crossing detection loop (1) is connected with the commercial power, the output end of the zero-crossing detection loop is connected with the input end of the main control chip loop (2), and the control input end of the electromagnetic valve driving loop (3) is connected with the output end of the main control chip loop (2); the main control chip loop (2) outputs a control signal to control the bidirectional thyristor conduction angle of the electromagnetic valve driving loop (3) by detecting the level change of the output end of the zero-crossing detection loop (1), so that the electromagnetic valve coil is started at a high-voltage point and maintains low-voltage conduction. In the case, the electromagnetic valve directly works under the mains supply, an AC-DC circuit is not needed for reducing the voltage to control the electromagnetic valve, an alternating voltage zero crossing point detection mode is adopted, and the single chip microcomputer controls the conduction angle of the silicon controlled rectifier to be conducted at a higher voltage point before the electromagnetic valve works, so that the electromagnetic valve can be quickly and effectively attracted, and the electromagnetic valve has the beneficial effects of reducing misoperation of the electromagnetic valve, simple circuit structure, strong anti-interference performance, safety and reliability.
The case shows that although misoperation of the electromagnetic valve can be reduced and the anti-interference performance of the circuit is improved, the electromagnetic valve has higher working power, is not beneficial to cooling the electromagnetic valve and reduces the service life of the electromagnetic valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a solenoid valve drive circuit to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electromagnetic valve drive circuit, includes solenoid valve, timing controller, wave filter, the output termination of solenoid valve electric capacity C6, TVS diode and relay J1, the input termination commercial power of solenoid valve, the input termination of timing controller the output of solenoid valve, the input termination of wave filter the output of timing controller, the output termination of wave filter diode D6.
The device is used for starting the electromagnetic valve through one path of double-power control module with high power, opening the valve, and after 5-8 seconds, reducing the power by half to enable the electromagnetic valve to be in a low-power maintaining state, thereby achieving the purpose of cooling and reducing the energy of the coil; a filter is additionally arranged to carry out integral filtering on the coil and the module, so that power supply pollution is prevented; the resistance voltage reduction of the aging module is changed into capacitance voltage reduction, and a timing controller with a chip is matched to control the temperature rise of the module, so that the service life is long; when the electromagnetic valve is in a holding state, the service life device in the old module is changed to be out of work, the power supply load is reduced, elements such as a rectifier bridge are effectively protected to be matched on an electromagnetic reading line, and the electromagnetic valve is controlled to be opened and closed.
Preferably, the input end of the electromagnetic valve is composed of a diode D1, a neutral line N1, a neutral line N2, a diode D3 and a diode D4, and a diode D2 is arranged between the diode D1 and the neutral line N1.
Preferably, the input end of the timing controller is composed of a resistor R1 and a capacitor C1, and the output end of the timing controller is composed of a small contactor DZ1, a capacitor C2, a capacitor C3 and a capacitor C4.
Preferably, the input end of the filter is composed of a diode D5, a resistor R2 and a capacitor C5, and the output end of the filter is connected with a switch K1.
Preferably, the solenoid valve is internally provided with a solenoid coil, and the solenoid valve is a low-power holding type energy-saving solenoid valve.
The utility model discloses a technological effect and advantage: the electromagnetic valve driving circuit is provided with a solenoid valve,
1. one path of double-power control module starts the electromagnetic valve with high power, opens the valve, and after 5-8 seconds, the power is halved, so that the electromagnetic valve is in a low-power maintaining state, thereby achieving the purpose of cooling and reducing the energy of the coil;
2. a filter is additionally arranged to carry out integral filtering on the coil and the module, so that power supply pollution is prevented;
3. the resistance voltage reduction of the aging module is changed into capacitance voltage reduction, and a timing controller with a chip is matched to control the temperature rise of the module, so that the service life is long;
4. when the electromagnetic valve is in a holding state, the service life device in the old module is changed to be out of work, the power supply load is reduced, elements such as a rectifier bridge are effectively protected to be matched on an electromagnetic reading line, and the electromagnetic valve is controlled to be opened and closed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. an electromagnetic valve; 2. a timing controller; 3. and a filter.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a solenoid valve drive circuit as shown in fig. 1, including solenoid valve 1, timing controller 2, wave filter 3, solenoid valve 1's output termination electric capacity C6, TVS diode and relay J1, solenoid valve 1's input termination commercial power, timing controller 2's input termination solenoid valve 1's output, wave filter 3's input termination timing controller 2's output, wave filter 3's output termination diode D6.
Specifically, the input end of the electromagnetic valve 1 is composed of a diode D1, a neutral line N1, a neutral line N2, a diode D3 and a diode D4, and a diode D2 is arranged between the diode D1 and the neutral line N1.
Specifically, the input end of the timing controller 2 is composed of a resistor R1 and a capacitor C1, and the output end of the timing controller 2 is composed of a small contactor DZ1, a capacitor C2, a capacitor C3 and a capacitor C4.
Specifically, the input end of the filter 3 is composed of a diode D5, a resistor R2 and a capacitor C5, and the output end of the filter 3 is connected to a switch K1.
Specifically, the solenoid valve 1 is internally provided with an electromagnetic coil, and the solenoid valve 1 is a low-power holding type energy-saving solenoid valve.
The electromagnetic valve driving circuit starts the electromagnetic valve 1 at high power through the double-power control module, opens the valve, and reduces the power by half after 5-8 seconds, so that the electromagnetic valve 1 is in a low-power maintaining state, thereby achieving the purpose of cooling and reducing the energy of the coil; the filter 2 is additionally arranged, so that the coil and the module are subjected to integral filtering, and power supply pollution is prevented; the resistance voltage reduction of the aging module is changed into capacitance voltage reduction, and the temperature rise of the module is controlled by matching the timing controller 3 with a chip, so that the service life is long; when the electromagnetic valve is kept in a state, the service life device in the old module continuously works to be out of work, the power supply load is lightened, elements such as a rectifier bridge are effectively protected to be matched on the electromagnetic reading line, and the electromagnetic valve is controlled to be opened and closed.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (5)
1. The utility model provides a solenoid valve drive circuit, includes solenoid valve (1), timing controller (2), wave filter (3), its characterized in that: the output termination of solenoid valve (1) electric capacity C6, TVS diode and relay J1, the input termination commercial power of solenoid valve (1), the output of the input termination solenoid valve (1) of timing controller (2), the output of input termination timing controller (2) of wave filter (3), the output termination diode D6 of wave filter (3).
2. A solenoid valve driving circuit according to claim 1, wherein: the input end of the electromagnetic valve (1) is composed of a diode D1, a neutral line N1, a neutral line N2, a diode D3 and a diode D4, and a diode D2 is arranged between the diode D1 and the neutral line N1.
3. A solenoid valve driving circuit according to claim 1, wherein: the input end of the timing controller (2) is composed of a resistor R1 and a capacitor C1, and the output end of the timing controller (2) is composed of a small contactor DZ1, a capacitor C2, a capacitor C3 and a capacitor C4.
4. A solenoid valve driving circuit according to claim 1, wherein: the input end of the filter (3) is composed of a diode D5, a resistor R2 and a capacitor C5, and the output end of the filter (3) is connected with a switch K1.
5. A solenoid valve driving circuit according to claim 1, wherein: an electromagnetic coil is arranged in the electromagnetic valve (1), and the electromagnetic valve (1) is a low-power holding type energy-saving electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920865845.5U CN209977390U (en) | 2019-06-11 | 2019-06-11 | Electromagnetic valve driving circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920865845.5U CN209977390U (en) | 2019-06-11 | 2019-06-11 | Electromagnetic valve driving circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209977390U true CN209977390U (en) | 2020-01-21 |
Family
ID=69265885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920865845.5U Active CN209977390U (en) | 2019-06-11 | 2019-06-11 | Electromagnetic valve driving circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209977390U (en) |
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2019
- 2019-06-11 CN CN201920865845.5U patent/CN209977390U/en active Active
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