CN206036345U - Electromagnetic valve drive circuit - Google Patents
Electromagnetic valve drive circuit Download PDFInfo
- Publication number
- CN206036345U CN206036345U CN201620780190.8U CN201620780190U CN206036345U CN 206036345 U CN206036345 U CN 206036345U CN 201620780190 U CN201620780190 U CN 201620780190U CN 206036345 U CN206036345 U CN 206036345U
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- resistance
- electric capacity
- electromagnetic valve
- oxide
- metal
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Abstract
The utility model discloses an electromagnetic valve drive circuit, manage VS, diode D1 and electric capacity C1 including resistance R1, triode VT1, emitting diode LED, MOS, resistance R1 one end connection control holds vi, triode VT1 base is connected to the resistance R1 other end, the triode VT1 projecting pole VCC that connects, triode VT1 collecting electrode is connecting resistance R2 respectively, electric capacity C1 and resistance R3, it is anodal that ground connection emitting diode LED is connected to the resistance R2 other end, MOS pipe VS's the G utmost point and the electric capacity C1 other end are connected respectively to the resistance R3 other end, electric capacity C2 and resistance R7 are connected respectively to MOS pipe VS's the S utmost point. The utility model discloses electromagnetic valve drive circuit adopts the triode to join in marriage a MOS pipe and drives, has effectively reduced the consumption of electromagnetic valve work in -process, and has utilized electric capacity C2's charging current for MOS pipe VS's switching time, the reaction rate is fast, circuit structure is simple, and is with low costs.
Description
Technical field
This utility model is related to a kind of drive circuit, specifically a kind of driving circuit for electromagnetic valve.
Background technology
Used as the control element in electrical control, widely, but electromagnetic valve is using process to use range to electromagnetic valve
In, trigger voltage is there is than keeping the voltage of steady-working state big, in many existing designs, electromagnetic valve is touched
Just trigger voltage operation is always maintained at after sending out work, power consumption is larger；Prior art is much 74HC04+ in addition
The mode of ULN2803 carrys out drive magnetic valve, and its driving force is relatively low, when great-power electromagnetic valve is driven, less stable, in addition
Also there is a problem of relatively costly.
Utility model content
The purpose of this utility model is to provide a kind of driving circuit for electromagnetic valve, to solve what is proposed in above-mentioned background technology
Problem.
For achieving the above object, this utility model provides following technical scheme：
A kind of driving circuit for electromagnetic valve, including resistance R1, audion VT1, LED, metal-oxide-semiconductor VS, diode
D1 and electric capacity C1, described resistance R1 one end connect control end Vi, resistance R1 other end connecting triode VT1 base stages, audion VT1
Emitter stage connects power supply VCC, and audion VT1 colelctor electrodes connect resistance R2, electric capacity C1 and resistance R3 respectively, and the resistance R2 other ends connect
Ground connection LED positive pole, the resistance R3 other ends connect the G poles of metal-oxide-semiconductor VS and the electric capacity C1 other ends, metal-oxide-semiconductor respectively
The S poles of VS connect electric capacity C2 and resistance R7 respectively, and the resistance R7 other ends connection electric capacity C2 other ends are simultaneously grounded, the D poles of metal-oxide-semiconductor VS
Connect resistance R4 and resistance R6 respectively, the resistance R4 other ends connect power vd D, resistance R5 and electromagnetic valve DJ respectively, and resistance R5 is another
One end connects diode D1 negative poles, and diode D1 positive poles connect the resistance R6 other ends and the electromagnetic valve DJ other ends respectively.
As further program of the utility model：The metal-oxide-semiconductor adopts voltage starting type metal-oxide-semiconductor.
As this utility model further scheme：The metal-oxide-semiconductor adopts IRF540.
Compared with prior art, the beneficial effects of the utility model are：This utility model driving circuit for electromagnetic valve adopts three
Pole pipe is driven with a metal-oxide-semiconductor, effectively reduces the power consumption during electromagnetic valve work, and using the charging electricity of electric capacity C2
Stream, accelerates the switch time of metal-oxide-semiconductor VS, and response speed is fast, and circuit structure is simple, low cost.
Description of the drawings
Circuit diagrams of the Fig. 1 for driving circuit for electromagnetic valve.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only this utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Refer to Fig. 1, in this utility model embodiment, a kind of driving circuit for electromagnetic valve, including resistance R1, audion VT1,
LED, metal-oxide-semiconductor VS, diode D1 and electric capacity C1, described resistance R1 one end connect control end Vi, and resistance R1 is another
End connecting triode VT1 base stages, audion VT1 emitter stages connection power supply VCC, audion VT1 colelctor electrodes connect respectively resistance R2,
Electric capacity C1 and resistance R3, resistance R2 other end connection ground connection LED positive pole, the resistance R3 other ends connect MOS respectively
The G poles of pipe VS and the electric capacity C1 other ends, the S poles of metal-oxide-semiconductor VS connect electric capacity C2 and resistance R7, resistance R7 other ends connection electricity respectively
Hold the C2 other ends and be grounded, the D poles of metal-oxide-semiconductor VS connect resistance R4 and resistance R6 respectively, and the resistance R4 other ends connect power supply respectively
VDD, resistance R5 and electromagnetic valve DJ, resistance R5 other ends connection diode D1 negative poles, diode D1 positive poles connect resistance R6 respectively
The other end and the electromagnetic valve DJ other ends；The metal-oxide-semiconductor adopts voltage starting type metal-oxide-semiconductor；The metal-oxide-semiconductor adopts IRF540.
Operation principle of the present utility model is：Fig. 1 is referred to, the VCC that switches on power is while control end Vi connects low level, three poles
Pipe VT1 triggering and conductings, LED are lighted, by arranging circuit element parameter so that the G poles of metal-oxide-semiconductor VS obtain one
The voltage of 5V, turns on VS, after VS conductings, by electric capacity C1, resistance R6, diode D1 and resistance R5 drive magnetic valves DJ, by
Can not be mutated in electric capacity C1 both end voltages, so before and after electric capacity C1 charges, the G extreme voltages of metal-oxide-semiconductor VS are of different sizes, according to
The conducting principle of Ohm's law and metal-oxide-semiconductor, it is easy to show that the G pole tensions of VS in electric capacity C1 charging processes are larger, so
In electric capacity C1 charging processes, electromagnetic valve DJ is obtained in that a larger driving voltage, afterwards, with electric capacity C1 it is fully charged, MOS
The G pole tensions of pipe VS are stable in 5V, electromagnetic valve DJ is operated under a relatively low power consumption.The effect of electric capacity C2 is filled using which
Electric current, accelerates the conducting speed of metal-oxide-semiconductor VS.
Claims (3)
1. a kind of driving circuit for electromagnetic valve, including resistance R1, audion VT1, LED, metal-oxide-semiconductor VS, diode D1
With electric capacity C1, it is characterised in that resistance R1 one end connection control end Vi, resistance R1 other end connecting triode VT1 base stages,
Audion VT1 emitter stages connect power supply VCC, and audion VT1 colelctor electrodes connect resistance R2, electric capacity C1 and resistance R3, resistance respectively
R2 other ends connection ground connection LED positive pole, the resistance R3 other ends connect the G poles of metal-oxide-semiconductor VS respectively and electric capacity C1 is another
One end, the S poles of metal-oxide-semiconductor VS connect electric capacity C2 and resistance R7 respectively, and the resistance R7 other ends connection electric capacity C2 other ends are simultaneously grounded,
The D poles of metal-oxide-semiconductor VS connect resistance R4 and resistance R6 respectively, and the resistance R4 other ends connect power vd D, resistance R5 and electromagnetic valve respectively
DJ, the resistance R5 other end connects diode D1 negative poles, and diode D1 positive poles connect the resistance R6 other ends respectively and electromagnetic valve DJ is another
One end.
2. driving circuit for electromagnetic valve according to claim 1, it is characterised in that the metal-oxide-semiconductor adopts voltage starting type MOS
Pipe.
3. driving circuit for electromagnetic valve according to claim 2, it is characterised in that the metal-oxide-semiconductor adopts IRF540.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620780190.8U CN206036345U (en) | 2016-07-22 | 2016-07-22 | Electromagnetic valve drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620780190.8U CN206036345U (en) | 2016-07-22 | 2016-07-22 | Electromagnetic valve drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036345U true CN206036345U (en) | 2017-03-22 |
Family
ID=58311574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620780190.8U Active CN206036345U (en) | 2016-07-22 | 2016-07-22 | Electromagnetic valve drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036345U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616275A (en) * | 2018-12-29 | 2019-04-12 | 江苏华宏科技股份有限公司 | The system and method for level control DC electromagnet |
-
2016
- 2016-07-22 CN CN201620780190.8U patent/CN206036345U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616275A (en) * | 2018-12-29 | 2019-04-12 | 江苏华宏科技股份有限公司 | The system and method for level control DC electromagnet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180822 Address after: 402560 66 industrial road, Pu Lu Street office, Tongliang District, Chongqing, with A3 building. Patentee after: Shengshi Technology Co., Ltd. Address before: 60 Xingguang Avenue, High-tech Park, North Yubei District, Chongqing 400000 (2nd floor, Venus Science and Technology Development Center, High-tech Park) Patentee before: Chongqing Yujie fire fighting equipment Co., Ltd. |