CN206149240U - Drive circuit , drive assembly and actuating system of solenoid valve - Google Patents
Drive circuit , drive assembly and actuating system of solenoid valve Download PDFInfo
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- CN206149240U CN206149240U CN201621081592.5U CN201621081592U CN206149240U CN 206149240 U CN206149240 U CN 206149240U CN 201621081592 U CN201621081592 U CN 201621081592U CN 206149240 U CN206149240 U CN 206149240U
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- coupler
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- drive circuit
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Abstract
The utility model discloses a drive circuit, drive assembly and actuating system of solenoid valve, drive circuit include an optical coupler, MOS pipe, rectifier diode and solenoid valve socket, an optical coupler's positive pole and control signal input electricity are connected, cathode grounded, an optical coupler's collecting electrode and first power electricity are connected, projecting pole and MOS manage electric connection of grid, the drain electrode of MOS pipe and second source be electric to be connected, source electrode ground connection, rectifier diode's the negative pole and the second pin common ground of solenoid valve socket are connected with the drain electrode of MOS pipe and the first pin electricity of solenoid valve socket respectively to rectifier diode's positive pole, the solenoid valve socket is used for the solenoid valve of pegging graft. The utility model discloses a drive circuit can generate feedback signal to the CPU who sends control signal in driving process, guarantee that CPU is not influenced by the action of front end solenoid valve, the utility model discloses a drive circuit can put together and use.
Description
Technical field
This utility model is related to a kind of drive circuit of electromagnetic valve, drive component and drive system.
Background technology
Driving circuit for electromagnetic valve structure is excessively single in prior art, and many with feedback function, causes nothing
Method quickly and accurately judges whether the implementing result of drive magnetic valve is correct.
Utility model content
The technical problems to be solved in the utility model be in order to overcome prior art in driving circuit for electromagnetic valve structure excessively
It is single, and it is many there is no feedback function, whether lead to not quickly and accurately to judge the implementing result of drive magnetic valve
Correct defect, there is provided a kind of drive circuit of electromagnetic valve, drive component and drive system.
This utility model is to solve above-mentioned technical problem by following technical proposals：
This utility model provides a kind of drive circuit of electromagnetic valve, and its feature is, including the first photo-coupler, MOS
Pipe (metal-oxide semiconductor fieldeffect transistor), commutation diode and electromagnetic valve socket；
The anode of first photo-coupler is electrically connected with control signal input, minus earth, first optical coupling
The colelctor electrode of device is electrically connected with the first power electric connection, emitter stage with the grid of the metal-oxide-semiconductor；The drain electrode of the metal-oxide-semiconductor and the
Two power electric connections, source ground；
The anode of the commutation diode respectively with the drain electrode of the metal-oxide-semiconductor and the first pin of the electromagnetic valve socket
Electrical connection, the second pin common ground of the negative electrode of the commutation diode and the electromagnetic valve socket；
The electromagnetic valve socket is used for grafting electromagnetic valve.
It is preferred that the control signal input is electrically connected with one end of first resistor, the other end of the first resistor
Electrically connect with the anode of the first photo-coupler and one end of second resistance respectively, the other end difference of the second resistance
Electrically connect with the negative electrode of the first photo-coupler and one end of 3rd resistor, the other end ground connection of the 3rd resistor.
It is preferred that the colelctor electrode of first photo-coupler is electrically connected with one end of the 4th resistance, the 4th resistance
The other end and first power electric connection；The emitter stage of first photo-coupler is also electrically connected with one end of the 5th resistance,
The other end ground connection of the 5th resistance.
It is preferred that the drain electrode of the metal-oxide-semiconductor is electrically connected with one end of the 6th resistance, the other end of the 6th resistance with send out
The negative electrode electrical connection of optical diode, the anode of the light emitting diode is electrically connected with the second source.
It is preferred that the second pin of the negative electrode of the commutation diode and the electromagnetic valve socket respectively with filter capacitor
One end electrically connects, the other end ground connection of the filter capacitor.
It is preferred that the drive circuit also includes the second photo-coupler；
The anode of second photo-coupler is electrically connected with the second source, negative electrode respectively with one end of the 7th resistance with
And the first pin of the electromagnetic valve socket is electrically connected, the other end of the 7th resistance is electrically connected with the second source；Institute
The colelctor electrode for stating the second photo-coupler is electrically connected with the 3rd power electric connection, emitter stage with controlled state outfan.
It is preferred that the second source is also electrically connected with one end of the 8th resistance, the other end difference of the 8th resistance
Electrically connect with the other end of the 7th resistance and the anode of second photo-coupler.
It is preferred that the colelctor electrode of second photo-coupler is electrically connected with one end of the 9th resistance, the 9th resistance
The other end and the 3rd power electric connection；The emitter stage of second photo-coupler is also electrically connected with one end of the tenth resistance,
The other end ground connection of the tenth resistance.
The purpose of this utility model is to additionally provide a kind of drive component of electromagnetic valve, and its feature is, including two
Above-mentioned drive circuit, the negative electrode of the commutation diode in two drive circuits is electrically connected to each other.
The purpose of this utility model is to additionally provide a kind of drive system of electromagnetic valve, it is characterised in that if it includes
Dry above-mentioned drive component.
Positive effect of the present utility model is：This utility model provides a kind of driving electricity of brand-new electromagnetic valve
Road, and feedback signal can be generated during driving to the CPU (central processing unit) for sending control signal, so as to ensure CPU
Do not affected by front end electromagnetism valve events, while drive circuit of the present utility model may be combined and be used, realized to electricity
The further control of magnet valve and driving.
Description of the drawings
Fig. 1 is the electrical block diagram of the drive circuit of the electromagnetic valve of preferred embodiment of the present utility model.
Specific embodiment
This utility model preferred embodiment is given below in conjunction with the accompanying drawings, to describe the technical solution of the utility model in detail.
As shown in figure 1, the drive circuit of electromagnetic valve of the present utility model includes the first photo-coupler 1, metal-oxide-semiconductor 2, rectification two
Pole pipe 3 and electromagnetic valve socket 4；The anode of first photo-coupler 1 is electrically connected with control signal input, minus earth,
The colelctor electrode of first photo-coupler 1 is electrically connected with the first power supply 5, emitter stage is electrically connected with the grid of the metal-oxide-semiconductor 2；Institute
The drain electrode for stating metal-oxide-semiconductor 2 is electrically connected with second source 6, source ground；
Specifically, the control signal input is electrically connected with one end of first resistor R1, first resistor R1 it is another
One end electrically connects respectively with the anode of the first photo-coupler 1 and one end of second resistance R2, second resistance R2
The other end is electrically connected respectively with the negative electrode of the first photo-coupler 1 and one end of 3rd resistor R3,3rd resistor R3
The other end ground connection.
The colelctor electrode of first photo-coupler 1 is electrically connected with one end of the 4th resistance R4, and the 4th resistance R4's is another
One end electrically connects with first power supply 5；The emitter stage of first photo-coupler 1 is also electrically connected with one end of the 5th resistance R5
Connect, the other end ground connection of the 5th resistance R5 pull down to ground by the 5th resistance R5.
The drain electrode of the metal-oxide-semiconductor 2 is electrically connected with one end of the 6th resistance R6, the other end of the 6th resistance R6 with it is luminous
The negative electrode electrical connection of diode D1, the anode of the light emitting diode D1 is electrically connected with the second source 6.
The anode of the commutation diode 3 is respectively with the first of the drain electrode of the metal-oxide-semiconductor 2 and the electromagnetic valve socket 4
Pin 41 is electrically connected, the common ground of second pin 42 of the negative electrode of the commutation diode 3 and the electromagnetic valve socket 4；
Specifically, the second pin 42 of the negative electrode of the commutation diode 3 and the electromagnetic valve socket 4 respectively with filtered electrical
Hold one end electrical connection of C1, the other end ground connection of the filter capacitor C1.
The electromagnetic valve socket 4 is used for grafting electromagnetic valve.
In the present embodiment, the control signal input can specifically may be used with input high level signal or low level signal
Control signal (high level signal or low level signal) is sent to the control signal input by CPU.
The concrete principle of the drive circuit drive magnetic valve of the electromagnetic valve of the present embodiment is as follows：
The control signal of control signal input input controls opening for the metal-oxide-semiconductor 2 through first photo-coupler 1
Close, the electric power loop for making the electromagnetic valve being plugged in the electromagnetic valve socket 4 is connected or disconnected, so as to drive magnetic valve is dynamic
Make.
Specifically, if control signal is low level signal, the anode of first photo-coupler 1 be it is low, described first
The emitter stage of photo-coupler 1 is not turned on colelctor electrode, so as to the grid of the metal-oxide-semiconductor 2 is pulled to low level by the 5th resistance,
I.e. described metal-oxide-semiconductor 2 is not turned on, and so as to the first pin of the electromagnetic valve socket 4 is not turned on ground, the power supply of electromagnetic valve is not led
It is logical；
If control signal is high level signal, the anode of first photo-coupler 1 is height, first photo-coupler
1 emitter stage is turned on colelctor electrode, and so as to the grid of the metal-oxide-semiconductor 2 is high level, i.e., described metal-oxide-semiconductor 2 is turned on, so as to described
The first pin ground connection of electromagnetic valve socket 4, the power supply of electromagnetic valve can form loop, solenoid valves action.
In this embodiment, it is preferred that, the drive circuit also includes the second photo-coupler 7, second photo-coupler 7
Anode electrically connect with the second source 6, negative electrode is respectively with the of one end of the 7th resistance R7 and the electromagnetic valve socket 4
One pin 41 is electrically connected, and the other end of the 7th resistance R7 is electrically connected with the second source 6；Second photo-coupler 7
Colelctor electrode electrically connect with the 3rd power supply 8, emitter stage is electrically connected with controlled state outfan.
Specifically, the second source 6 is also electrically connected with one end of the 8th resistance R8, the other end of the 8th resistance R8
Electrically connect with the other end of the 7th resistance R7 and the anode of second photo-coupler 7 respectively；
The colelctor electrode of second photo-coupler 7 is electrically connected with one end of the 9th resistance R9, and the 9th resistance R9's is another
One end electrically connects with the 3rd power supply 8；The emitter stage of second photo-coupler is also electrically connected with one end of the tenth resistance R10
Connect, the other end ground connection of the tenth resistance R10.
The implementing result of drive magnetic valve can be fed back to into CPU using second photo-coupler 7 in this utility model,
Specifically, when the metal-oxide-semiconductor 2 is turned on, the first pin ground connection of the electromagnetic valve socket 4, so that in feedback circuit
Second photo-coupler 7 is turned on, and the optocoupler output in feedback circuit is changed into high level, and (i.e. controlled state outfan output is high electric
It is flat)；When the metal-oxide-semiconductor 2 is turned off, the first pin loop cut-out of the electromagnetic valve socket 4, the shut-off of power of electromagnetic valve loop,
So that second photo-coupler 7 is not turned on, the optocoupler output in feedback circuit is changed into low level (i.e. controlled state output
End output low level), and then using the output level of controlled state outfan described in monolithic machine testing height it is known that
Whether the implementing result of solenoid-driven is correct；Further, since the control signal of control signal input input is isolation, because
This feedback signal is also isolation by second photo-coupler 7, so as to ensure that CPU is not affected by front end electromagnetism valve events.
In this utility model, it is preferable that the magnitude of voltage of first power supply is 5V or so, the voltage of the second source
It is worth for 24V or so, the magnitude of voltage of the 3rd power supply is 3.3V or so；The value of first resistor R1 is 75K Ω or so, institute
The value for stating second resistance R2 is 430K Ω or so, and the value of 3rd resistor R3 is 300K Ω or so, the 4th resistance
The value of R4 is 75K Ω or so, and the value of the 5th resistance R5 is 430K Ω or so, and the value of the 6th resistance R6 is
The value of 10K Ω or so, the 7th resistance R7 is 430K Ω or so, and the value of the 8th resistance R8 is 10K Ω or so, institute
The value for stating the 9th resistance R9 is 62K Ω or so, and the value of the tenth resistance R10 is 430K Ω or so；Wherein, described second
Photo-coupler 7 can be electrically connected by the 11st resistance R11 with the first pin of the electromagnetic valve socket 4, the 11st resistance
The value of R11 is 62K Ω or so；The capacitance of the filter capacitor C1 is 10 μ f or so.
In the present embodiment, the model of first photo-coupler 1 and second photo-coupler 7 is specially TLP281-
4, the model of the metal-oxide-semiconductor 2 is specially NDS355AN, and the model of the commutation diode 3 is specially 1N4007.
This utility model additionally provides a kind of drive component of electromagnetic valve, including two above-mentioned drive circuits, two drives
The negative electrode of the commutation diode in galvanic electricity road is electrically connected to each other, the colelctor electrode of the second photo-coupler in two drive circuits with it is same
One the 3rd power electric connection, using the drive component of the electromagnetic valve of the present embodiment forward and reverse control can be realized.
This utility model additionally provides a kind of drive system of electromagnetic valve, and it includes several above-mentioned drive components, excellent
Selection of land, it may include 8 groups of above-mentioned drive components.
Although the foregoing describing specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
These are merely illustrative of, and protection domain of the present utility model is defined by the appended claims.Those skilled in the art
Member can make numerous variations to these embodiments or repair on the premise of without departing substantially from principle of the present utility model and essence
Change, but these changes and modification each fall within protection domain of the present utility model.
Claims (10)
1. a kind of drive circuit of electromagnetic valve, it is characterised in that including the first photo-coupler, metal-oxide-semiconductor, commutation diode and electricity
Magnet valve socket；
The anode of first photo-coupler is electrically connected with control signal input, minus earth, first photo-coupler
Colelctor electrode is electrically connected with the first power electric connection, emitter stage with the grid of the metal-oxide-semiconductor；The drain electrode of the metal-oxide-semiconductor is electric with second
Source electrical connection, source ground；
The anode of the commutation diode is electrically connected respectively with the first pin of the drain electrode of the metal-oxide-semiconductor and the electromagnetic valve socket
Connect, the second pin common ground of the negative electrode of the commutation diode and the electromagnetic valve socket；
The electromagnetic valve socket is used for grafting electromagnetic valve.
2. drive circuit as claimed in claim 1, it is characterised in that one end of the control signal input and first resistor
Electrical connection, the other end of the first resistor is electrically connected respectively with the anode of the first photo-coupler and one end of second resistance
Connect, the other end of the second resistance is electrically connected respectively with the negative electrode of the first photo-coupler and one end of 3rd resistor,
The other end ground connection of the 3rd resistor.
3. drive circuit as claimed in claim 1, it is characterised in that the colelctor electrode and the 4th resistance of first photo-coupler
One end electrical connection, the other end and first power electric connection of the 4th resistance；The transmitting of first photo-coupler
Pole also electrically connects with one end of the 5th resistance, the other end ground connection of the 5th resistance.
4. drive circuit as claimed in claim 1, it is characterised in that one end electricity of the drain electrode of the metal-oxide-semiconductor and the 6th resistance
Connection, the other end of the 6th resistance electrically connects with the negative electrode of light emitting diode, the anode of the light emitting diode with it is described
Second source is electrically connected.
5. drive circuit as claimed in claim 1, it is characterised in that the negative electrode of the commutation diode and the electromagnetic valve are inserted
The second pin of seat is electrically connected respectively with one end of filter capacitor, the other end ground connection of the filter capacitor.
6. the drive circuit as described in any one in claim 1-5, it is characterised in that the drive circuit also includes second
Photo-coupler；
The anode of second photo-coupler is electrically connected with the second source, negative electrode one end respectively with the 7th resistance and institute
The first pin electrical connection of electromagnetic valve socket is stated, the other end of the 7th resistance is electrically connected with the second source；Described
The colelctor electrode of two photo-couplers is electrically connected with the 3rd power electric connection, emitter stage with controlled state outfan.
7. drive circuit as claimed in claim 6, it is characterised in that the second source is also electrically connected with one end of the 8th resistance
Connect, the other end of the 8th resistance is electric with the anode of the other end of the 7th resistance and second photo-coupler respectively
Connection.
8. drive circuit as claimed in claim 6, it is characterised in that the colelctor electrode and the 9th resistance of second photo-coupler
One end electrical connection, the other end and the 3rd power electric connection of the 9th resistance；The transmitting of second photo-coupler
Pole also electrically connects with one end of the tenth resistance, the other end ground connection of the tenth resistance.
9. a kind of drive component of electromagnetic valve, it is characterised in that including two drives as described in any one in claim 1-8
Galvanic electricity road, the negative electrode of the commutation diode in two drive circuits is electrically connected to each other.
10. a kind of drive system of electromagnetic valve, it is characterised in that it includes several drive components as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081592.5U CN206149240U (en) | 2016-09-26 | 2016-09-26 | Drive circuit , drive assembly and actuating system of solenoid valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081592.5U CN206149240U (en) | 2016-09-26 | 2016-09-26 | Drive circuit , drive assembly and actuating system of solenoid valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206149240U true CN206149240U (en) | 2017-05-03 |
Family
ID=58621175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621081592.5U Active CN206149240U (en) | 2016-09-26 | 2016-09-26 | Drive circuit , drive assembly and actuating system of solenoid valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206149240U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109578658A (en) * | 2018-09-30 | 2019-04-05 | 镇江微芯光子科技有限公司 | It is a kind of based on infrared water feed apparatus |
| CN113360449A (en) * | 2021-04-29 | 2021-09-07 | 山东英信计算机技术有限公司 | Server protection circuit and server |
-
2016
- 2016-09-26 CN CN201621081592.5U patent/CN206149240U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109578658A (en) * | 2018-09-30 | 2019-04-05 | 镇江微芯光子科技有限公司 | It is a kind of based on infrared water feed apparatus |
| 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 |
| CN113360449A (en) * | 2021-04-29 | 2021-09-07 | 山东英信计算机技术有限公司 | Server protection circuit and server |
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