CN209184577U - A kind of solenoid valve delay disconnecting circuit for drain valve - Google Patents
A kind of solenoid valve delay disconnecting circuit for drain valve Download PDFInfo
- Publication number
- CN209184577U CN209184577U CN201821693729.1U CN201821693729U CN209184577U CN 209184577 U CN209184577 U CN 209184577U CN 201821693729 U CN201821693729 U CN 201821693729U CN 209184577 U CN209184577 U CN 209184577U
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- resistance
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- triode
- diode
- power supply
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Abstract
The utility model relates to a kind of solenoid valve delay disconnecting circuits for drain valve, power switch U1 is controlled including power supply, diode D1~D5, capacitor C1~C4, resistance R1~R7, metal-oxide-semiconductor M1, inductance L1, electromagnetic valve coil L2, liquid level sensor switch K1, triode Q1~Q3, key S1, power switch U1 is controlled by rectifying and wave-filtering and power supply to be depressured to obtain the operating voltage of electromagnetic valve coil, the water level in drain valve is detected by liquid level sensor switch K1, electromagnetic valve coil L2 is connected when water level is higher to be drained, water level decreasing, liquid level sensor switch K1 is disconnected, due to the electric discharge of capacitor C4, electromagnetic valve coil L2, which continues to be powered, to be drained, manual drainage can be realized by pressing the button S1.The solenoid valve delay disconnecting circuit for drain valve of the utility model can reduce the waste of gas source, while be able to achieve manual drainage.
Description
Technical field
The utility model relates to a kind of electromagnetic valve circuits more particularly to a kind of solenoid valve delay for drain valve to disconnect electricity
Road.
Background technique
It is pneumatically that the air pressure generated using effect of impact or rotary action makes its movement or work done, drives mechanical complete
Flexible or spinning movement is to have the characteristics that compressibility using air, however is containing steam, after being compressed in air
It is the compressed gas containing moisture and impurity, moisture and impurity enter pneumatic steel pipe, then pass in pneumatic equipment and will affect use
Performance, or even reduce the service life of pneumatic equipment.The existing drain valve for pneumatic equipment is to open electromagnetism using timing
The moisture by air supply channel is discharged in valve, and such drain valve opens solenoid valve valve port in the case where moisture is few, waste
Gas source causes high production cost, and in the emergency also not setting of manual drainage, there are unreasonable ground for operating mode
Side.
Summary of the invention
In view of this, being wasted the purpose of this utility model is to provide a kind of reduction gas source and being able to achieve the use of manual drainage
In the solenoid valve delay disconnecting circuit of drain valve.
In order to achieve the goal above, the utility model disconnects electricity using such a solenoid valve delay for drain valve
Road, including power supply control power switch U1, diode D1~D5, capacitor C1~C4, resistance R1~R7, metal-oxide-semiconductor M1, inductance L1,
Electromagnetic valve coil L2, liquid level sensor switch K1, triode Q1~Q3, key S1, the diode D1 and capacitor C1 series connection, two
The anode of pole pipe D1 connects external ac power source with one end of capacitor C1, and the cathode of diode D1 is separately connected the leakage of metal-oxide-semiconductor M1
The HV pin of pole and power supply control power switch U1, the GATE pin of the grid connection power supply control power switch U1 of metal-oxide-semiconductor M1,
The source electrode of metal-oxide-semiconductor M1 is separately connected the CS pin of power supply control power switch U1 and one end of resistance R1, the other end of resistance R1
The GND pin of power supply control power switch U1, the resistance R2 and resistance R3 series connection are connected, one end of resistance R2 is separately connected electricity
Source controls VDD pin, one end of capacitor C2 and the cathode of diode D3 of power switch U1, and the other end of resistance R2 connects power supply
The FB pin of power switch U1 is controlled, one end of resistance R3 is separately connected the other end of capacitor C2, the other end of resistance R1, inductance
One end of L1 and the cathode of diode D2, the anode of triode D3 are separately connected the other end of inductance L1 and one end of capacitor C3,
The other end of capacitor C3 and the positive common ground connection of diode D2, the liquid level sensor switch K1 and resistance R4 series connection, liquid level
One end of sensing switch K1 is separately connected anode and one end of resistance R5 of diode D3, and liquid level sensor switch K1's is another
Hold the base stage of connecting triode Q1, one end ground connection of resistance R4, the collector of the other end connecting triode Q1 of resistance R5, three poles
The anode of the emitter connection diode D4 of pipe Q1, the key S1, resistance R6, capacitor C4 are sequentially connected in series, one end of key S1
Connect one end of resistance R5, one end ground connection of capacitor C4, the cathode of the other end connection diode D4 of capacitor C4, the resistance R7
It is connected in parallel on the both ends of capacitor C4, the base stage of one end connecting triode Q2 of resistance R7, the other end ground connection of resistance R7, triode Q2
Emitter connecting triode Q3 base stage, triode Q3 emitter ground connection, one end of the electromagnetic valve coil L2 connects respectively
Connect the collector of triode Q2 and the collector of triode Q3, one end of the other end connection key S1 of electromagnetic valve coil L2, two
Pole pipe D5 is connected in parallel on the both ends of electromagnetic valve coil L2.
This practical model AH8665 for being further arranged to power supply control power switch U1.
Foregoing circuit controls power switch U1 and is depressured to obtain electromagnetic valve work voltage by rectifying and wave-filtering, power supply, works as liquid level
When water level is higher in sensor sensing to drain valve, liquid level sensor switch K1 closure is connected electromagnetic valve coil L2, makes solenoid valve
Draining, when liquid level slowly reduces, liquid level sensor switch K1 is disconnected, but continues to discharge due to capacitor C4, makes solenoid valve
Coil L2 continues to be powered, and solenoid valve continues to drain, and can also be arranged by being manually pressed by key S1 connection electromagnetic valve coil L2
Water, such solenoid valve delay disconnecting circuit for drain valve are just drained after only water level is higher in drain valve, energy
The waste of gas source is effectively avoided, manual key S1 can also carry out manual drainage, be easy to use.
Detailed description of the invention
Fig. 1 is the utility model embodiment schematic diagram.
Specific embodiment
As shown in Figure 1, the utility model is a kind of solenoid valve delay disconnecting circuit for drain valve, including power supply control
Power switch U1, diode D1~D5, capacitor C1~C4, resistance R1~R7, metal-oxide-semiconductor M1, inductance L1, electromagnetic valve coil L2, liquid
Level sensor switch K1, triode Q1~Q3, key S1, the model AH8665 of the power supply control power switch U1 are described
The anode of diode D1 and capacitor C1 series connection, diode D1 connects external ac power source with one end of capacitor C1, diode D1's
Cathode is separately connected the drain electrode of metal-oxide-semiconductor M1 and the HV pin of power supply control power switch U1, and the grid of metal-oxide-semiconductor M1 connects power supply control
The GATE pin of power switch U1 processed, the source electrode of metal-oxide-semiconductor M1 are separately connected the CS pin and resistance of power supply control power switch U1
One end of R1, the GND pin of the other end connection power supply control power switch U1 of resistance R1, the resistance R2 and resistance R3 string
Connection, one end of resistance R2 are separately connected the negative of the VDD pin of power supply control power switch U1, one end of capacitor C2 and diode D3
Pole, the FB pin of the other end connection power supply control power switch U1 of resistance R2, one end of resistance R3 is separately connected capacitor C2's
The other end, the other end of resistance R1, one end of inductance L1 and diode D2 cathode, the anode of triode D3 is separately connected inductance
The other end of L1 and one end of capacitor C3, the other end of capacitor C3 and the positive common ground connection of diode D2, the level sensing
Device switch K1 and resistance R4 series connection, one end of liquid level sensor switch K1 are separately connected the anode and the one of resistance R5 of diode D3
End, the base stage of the other end connecting triode Q1 of liquid level sensor switch K1, one end ground connection of resistance R4, the other end of resistance R5
The collector of connecting triode Q1, the anode of the emitter connection diode D4 of triode Q1, the key S1, resistance R6, electricity
Hold C4 to be sequentially connected in series, one end of one end connection resistance R5 of key S1, one end ground connection of capacitor C4, the other end connection of capacitor C4
The cathode of diode D4, the resistance R7 are connected in parallel on the both ends of capacitor C4, the base stage of one end connecting triode Q2 of resistance R7, electricity
The other end ground connection of R7 is hindered, the emitter of the base stage of the emitter connecting triode Q3 of triode Q2, triode Q3 is grounded, described
One end of electromagnetic valve coil L2 is separately connected the collector of triode Q2 and the collector of triode Q3, and electromagnetic valve coil L2's is another
One end connects one end of key S1, and diode D5 is connected in parallel on the both ends of electromagnetic valve coil L2.
Claims (2)
- The disconnecting circuit 1. a kind of solenoid valve for drain valve is delayed, it is characterised in that: control power switch U1, two including power supply Pole pipe D1~D5, capacitor C1~C4, resistance R1~R7, metal-oxide-semiconductor M1, inductance L1, electromagnetic valve coil L2, liquid level sensor switch K1, triode Q1~Q3, key S1, the diode D1 and capacitor C1 series connection, the anode of diode D1 and one end of capacitor C1 External ac power source is connected, the cathode of diode D1 is separately connected the drain electrode of metal-oxide-semiconductor M1 and the HV of power supply control power switch U1 Pin, the GATE pin of the grid connection power supply control power switch U1 of metal-oxide-semiconductor M1, the source electrode of metal-oxide-semiconductor M1 are separately connected power supply The CS pin of power switch U1 and one end of resistance R1 are controlled, the other end connection power supply control power switch U1's of resistance R1 GND pin, the resistance R2 and resistance R3 series connection, the VDD that one end of resistance R2 is separately connected power supply control power switch U1 draw Foot, one end of capacitor C2 and diode D3 cathode, resistance R2 the other end connection power supply control power switch U1 FB pin, One end of resistance R3 is separately connected the negative of the other end of capacitor C2, the other end of resistance R1, one end of inductance L1 and diode D2 Pole, the anode of triode D3 are separately connected the other end of inductance L1 and one end of capacitor C3, the other end and diode of capacitor C3 The positive common ground connection of D2, the liquid level sensor switch K1 and resistance R4 series connection, one end difference of liquid level sensor switch K1 The anode of connection diode D3 and one end of resistance R5, the base stage of the other end connecting triode Q1 of liquid level sensor switch K1, One end of resistance R4 is grounded, the collector of the other end connecting triode Q1 of resistance R5, and the emitter of triode Q1 connects two poles The anode of pipe D4, the key S1, resistance R6, capacitor C4 are sequentially connected in series, one end of one end connection resistance R5 of key S1, capacitor One end of C4 is grounded, and the cathode of the other end connection diode D4 of capacitor C4, the resistance R7 is connected in parallel on the both ends of capacitor C4, electricity Hinder the base stage of one end connecting triode Q2 of R7, the other end ground connection of resistance R7, the emitter connecting triode Q3 of triode Q2 Base stage, triode Q3 emitter ground connection, one end of the electromagnetic valve coil L2 be separately connected triode Q2 collector and The collector of triode Q3, one end of the other end connection key S1 of electromagnetic valve coil L2, diode D5 are connected in parallel on line solenoid valve Enclose the both ends of L2.
- The disconnecting circuit 2. solenoid valve according to claim 1 for drain valve is delayed, it is characterised in that: the power supply control The model AH8665 of power switch U1 processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693729.1U CN209184577U (en) | 2018-10-18 | 2018-10-18 | A kind of solenoid valve delay disconnecting circuit for drain valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821693729.1U CN209184577U (en) | 2018-10-18 | 2018-10-18 | A kind of solenoid valve delay disconnecting circuit for drain valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209184577U true CN209184577U (en) | 2019-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821693729.1U Expired - Fee Related CN209184577U (en) | 2018-10-18 | 2018-10-18 | A kind of solenoid valve delay disconnecting circuit for drain valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209184577U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901615A (en) * | 2019-11-28 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | Water drain valve of air storage cylinder, air storage device and automobile brake |
| CN112034760A (en) * | 2020-09-03 | 2020-12-04 | 福建永强力加动力设备有限公司 | Diesel generator shutdown delay controller circuit with simple structure |
| CN112900022A (en) * | 2021-01-15 | 2021-06-04 | 珠海格力电器股份有限公司 | Washing machine drainage structure, washing machine and control method |
-
2018
- 2018-10-18 CN CN201821693729.1U patent/CN209184577U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110901615A (en) * | 2019-11-28 | 2020-03-24 | 安徽江淮汽车集团股份有限公司 | Water drain valve of air storage cylinder, air storage device and automobile brake |
| CN112034760A (en) * | 2020-09-03 | 2020-12-04 | 福建永强力加动力设备有限公司 | Diesel generator shutdown delay controller circuit with simple structure |
| CN112034760B (en) * | 2020-09-03 | 2021-06-29 | 福建永强力加动力设备有限公司 | Diesel generator shutdown delay controller circuit |
| CN112900022A (en) * | 2021-01-15 | 2021-06-04 | 珠海格力电器股份有限公司 | Washing machine drainage structure, washing machine and control method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20211018 |
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| CF01 | Termination of patent right due to non-payment of annual fee |