CN106594359B - Solenoid valve auto-adjusting circuit and its method - Google Patents
Solenoid valve auto-adjusting circuit and its method Download PDFInfo
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- CN106594359B CN106594359B CN201611174421.1A CN201611174421A CN106594359B CN 106594359 B CN106594359 B CN 106594359B CN 201611174421 A CN201611174421 A CN 201611174421A CN 106594359 B CN106594359 B CN 106594359B
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- resistance
- solenoid valve
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- triode
- contact
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims abstract description 12
- 239000007789 gas Substances 0.000 claims description 15
- 239000011261 inert gas Substances 0.000 claims description 11
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 239000000843 powder Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
- F16K31/0679—Electromagnet aspects, e.g. electric supply therefor with more than one energising coil
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
Solenoid valve auto-adjusting circuit and its method, including coil K1, coil K1 are connected with fuse FU1；Fuse FU1 is connected with coil Y, thyristor VS1；After rectifier diode VD2 is connected with resistance R1, resistance R2, then it is connected with resistance R3, resistance R4, zener diode VD3；Triode VT1 is connected with resistance R3, in parallel with capacitor C1；The control loop of solenoid valve is connected by contact S1 with the base stage of triode VT1 by resistance R5, and is connect with potentiometer R7；Potentiometer R7 connects with resistance R5, R6, capacitor C2, and triode VT1's connect with resistance R4 all the way, is connected all the way with the trigger circuit of thyristor VS1；Contact S2 is connected with 220VAC electric current, solenoid valve Y；Coil K2 is connected with controller B2, zero-power line, and coil K2 is connected with+24V power supply；The power supply of the control loop of circuit and solenoid valve, control is completely separable, solenoid valve is avoided in operation because overcurrent or reverse signal interfere controller, prevents solenoid valve is unexpected from obtaining damage of the electric or power loss to solenoid valve itself.
Description
Technical field
The invention belongs to technical field of circuit design, and in particular to solenoid valve auto-adjusting circuit and its method.
Background technique
In recent decades, with the continuous complexity of operating condition, traditional solenoid valve control is gradually activated replaced solenoid valve,
Air-operated solenoid valve needs continual gas supply, and can contain moisture in compressed air, also has to the internal structure of solenoid valve
Damage.However traditional solenoid valve, because of its control circuit complexity, and voltage required for major loop and control loop has very big difference
Not, major loop coil generally requires alternating current 220V, and control loop and sensor loop generally require direct current 24V, and with program control
The on-off of circuit processed is too sensitive.
It is especially filled and deflated by detection closed container, because closed container press detection sensor is especially sensitive, if electromagnetism
Valve pressure in a threshold value up and down fluctuation, then control system will continuous output signal, solenoid valve can because control system
System and continuous electromagnetic valve for adjusting are cut-off, and the switch of solenoid valve is especially frequent near critical value, cause the damage of solenoid valve,
And have certain disturbance to apparatus control system, it causes system to break down, influences equipment normal operation.
Summary of the invention
To overcome above-mentioned the deficiencies in the prior art, the object of the present invention is to provide solenoid valve auto-adjusting circuit and its sides
Method has the characteristics that circuit is made to interfere small, fast response time, adjusting sensitive.
To achieve the above object, the technical solution adopted by the present invention is that: solenoid valve auto-adjusting circuit, include fusing
Device, resistance, diode, thyristor, triode, capacitor, zener diode electronic component；It is characterized in that, control chip
The end D0 is connected by coil K1 with power supply -24V, and 220VAC power supply contact corresponding with coil K1 lower end is connected, and K1 pairs of coil
Contact upper end is answered to be connected by port b1 with fuse FU1；Fuse FU1 is connected with coil Y, passes through thyristor VS1 shape
At the major loop of solenoid valve；Rectifier diode VD2 is connected with resistance R1, resistance R2, after resistance R1, R2 is in parallel with resistance R3, electricity
Resistance R4, zener diode VD3 are connected；The collector of triode VT1 is connected with resistance R3 and is connected in parallel with a capacitor C1, electromagnetism
The control loop of valve is connected by contact S1 with the base stage of triode VT1 by resistance R5, and base stage connects with potentiometer R7 simultaneously
It connects；Potentiometer R7 connects with resistance R5, R6, capacitor C2, and the emitter of triode VT1 is divided into two-way: it is connect all the way with resistance R4,
Another way is connected with the trigger circuit of thyristor VS1；The contact upper end S2 is connected with 220VAC electric current, and the contact lower end S2 is by electricity
Magnet valve Y control, is connected with controller B3 when solenoid valve Y2 power loss, is connected when obtaining electric with controller B2；Coil K2
Upper end connects controller B2, and the lower end coil K2 is connected with zero-power line, and coil K2 corresponds to contact lower end and is connected with+24V power supply
It connects, upper end is connected to control chip by the end D1.
Utilize the method for solenoid valve auto-adjusting circuit, which comprises the following steps:
1) after equipment vacuum degree, which reaches technique, to be required, control chip exports high level at the end D0, and coil K1 electrification is right
Auxiliary contact are answered to be attracted, port b1 electrification, electric current flows into solenoid valve coil Y by port a2 by fuse FU1, by end
Mouth a1 terminal reaches a point；
If 2) thyristor VS1 does not have trigger signal, a point electric current can flow through resistance R1, resistance by rectifier diode VD2
Then R2 is divided into two-way c, d；
3) when triode VT1 is off, electric current flows into resistance R5 by d point, is directly flowed through and is equipped with by resistance R5
The solenoid valve control circuit of port a4 reaches triode VT1 by port a3；
4) triode VT1, which obtains trigger signal, to be connected, and triode ON triggers thyristor VS1 conducting, this moment solenoid valve Y
Forming circuit, solenoid valve are opened, then its corresponding auxiliary contact S1 is disconnected, contact S2 switches, and coil K2 is attracted this moment, D1 terminal
Output+24v voltage；
5) when thyristor VS1 is connected, and auxiliary contact S1 is disconnected, triode VT1 is disconnected automatically, and equipment starts to inflate；
6) when inert gas is charged to 700Torr, automatic mode is set by modes of inflation, continues to inflate, works as indifferent gas
Body pressure reaches 900Torr, it is believed that inflation terminates, and coil K1 power loss, then solenoid valve power loss, gas replenishment process terminate；
7) after inert gas is less than 800Torr, solenoid valve is reopened, and is inflated, and switchs repeatedly, guarantees to set
Standby internal gas is a constant range.
Self character of the present invention according to solenoid valve, redesigns the circuit of solenoid valve, inert gas can be allowed to supply
When be that could be formed with intermittent supply.And then equipment is allowed to maintain the gas content of requirement in the process of running, it avoids because of cabin
Chamber pressure reaches critical value variation and causes solenoid valve to frequently switch on situation and influence the performance of solenoid valve and the work feelings of equipment
Condition.
The beneficial effects of the present invention are:
Solenoid valve is controlled valve, and is one time rating of need by fully closed open to standard-sized sheet, and solenoid valve control circuit
Including power input, signal input is controlled, Signal Regulation is controlled, this few part composition.The switch of solenoid valve is divided into two kinds of situations,
When the threshold value of setting is divided into two kinds of bound, if cabin pressure exceeds upper dividing value, solenoid valve can be automatically closed, if cabin pressure
It is less than floor value by force, solenoid valve can automatically open, be inflated and reach dividing value.
It using newly-designed circuit diagram, meets and occurs frequently to be switched on and off because solenoid valve reaches critical value, lead to
The adjusting of oversampling circuit can make the switch of solenoid valve smoothened, reach the control requirement in equipment to pressure.Of the invention
Advantage embodies in the following areas:
1) it condition control has been done to the switch of solenoid valve, and has been powered on by controller to control its switch；
2) rectification processing is carried out to circuit inside, alternating current is become direct current；
3) steady pressure treatment is carried out to direct current, prevents voltage is excessive from burning out internal components；
4) condition of cut-offfing of triode is adjusted, it can be taking human as its reaction speed of adjusting；
5) differential concatenation diode in circuit prevents the excessive burning coil of reverse current.
Detailed description of the invention
Fig. 1 is solenoid valve controller overall circuit design schematic diagram of the present invention.
Specific embodiment
Invention is further described in detail in the following with reference to the drawings and specific embodiments.
The present invention is to be applied to powder sieving machine equipment, and powder sieving machine is that the use based on sieve mesh reaches to part
The purpose of powder separation, separation carries out under the protection environment of inert gas (argon gas, helium), to prevent powder to be oxidized.If
Spare solenoid valve switchs to control the pressure (inert gas content) of cabin, if the excessively high safety valve of gas content can be beaten automatically
It opens, wastes gas, if gas content is too low there will be oxygen inflow, powder can be oxidized.Therefore by constantly switching electromagnetism
Valve, carrys out the pressure of regulating system internal gas, and then equipment inert gas is allowed to maintain within the scope of a steady state value.
Referring to Fig. 1, solenoid valve auto-adjusting circuit includes fuse, resistance, diode, thyristor, triode, electricity
Hold, zener diode electronic component；It is characterized in that, the end D0 of control chip is connected by coil K1 with power supply -24V,
220VAC power supply contact corresponding with coil K1 lower end is connected, and coil K1 corresponds to contact upper end and passes through port b1 and fuse FU1
It is connected；Fuse FU1 is connected with coil Y, and the major loop of solenoid valve is formed by thyristor VS1；Rectifier diode VD2 with
Resistance R1, resistance R2 are connected, and are connected after resistance R1, R2 are in parallel with resistance R3, resistance R4, zener diode VD3；Triode
The collector of VT1 is connected with resistance R3 and is connected in parallel with a capacitor C1, and the control loop of solenoid valve is by resistance R5 by contact S1
It is connected with the base stage of triode VT1, and base stage is connect with potentiometer R7 simultaneously；Potentiometer R7 and resistance R5, R6, capacitor C2 go here and there
Connection, the emitter of triode VT1 are divided into two-way: connecting all the way with resistance R4, another way is connected with the trigger circuit of thyristor VS1
It connects；The contact upper end S2 is connected with 220VAC electric current, and the contact lower end S2 is controlled by solenoid valve Y, when solenoid valve Y2 power loss
It is connected with controller B3, is connected when obtaining electric with controller B2；The upper end coil K2 meets controller B2, the lower end coil K2 with
Zero-power line is connected, and coil K2 corresponds to contact lower end and is connected with+24V power supply, and upper end is connected to control chip by the end D1.
Specific implementation step:
1) after equipment vacuum degree, which reaches technique, to be required, control chip exports high level at the end D0, and coil K1 electrification is right
Auxiliary contact are answered to be attracted, port b1 electrification, electric current flows into solenoid valve coil Y by port a2 by fuse FU1, by end
Mouth a1 terminal reaches a point；
2) if thyristor VS1 does not have trigger signal, it is right that a point electric current can flow through resistance R1, R2 by rectifier diode VD2
After be divided into two-way c, d；
3) when triode VT1 is off, electric current can flow into resistance R5 by d point, directly flow through a4 by resistance R5
By the control circuit of solenoid valve, triode VT1 is reached by port a3；
4) triode VT1, which obtains trigger signal, to be connected, and triode ON triggers thyristor VS1 conducting, this moment solenoid valve Y
Forming circuit, solenoid valve are opened, then its corresponding auxiliary contact S1 is disconnected, contact S2 switches, and coil K2 is attracted this moment, D1 terminal
Output+24v voltage；
5) when thyristor VS1 is connected, and auxiliary contact S1 is disconnected, triode VT1 is disconnected automatically, and equipment starts to inflate；
6) when inert gas is charged to 700Torr, automatic mode is set by modes of inflation, continues to inflate, works as indifferent gas
Body pressure reaches 900Torr, it is believed that inflation terminates, and coil K1 power loss, then solenoid valve power loss, gas replenishment process terminate；
7) after inert gas is less than 800Torr, solenoid valve is reopened, and is inflated, and switchs repeatedly, guarantees to set
Standby internal gas is a constant range.
Claims (2)
1. solenoid valve auto-adjusting circuit includes fuse, resistance, diode, thyristor, triode, capacitor, two pole of pressure stabilizing
Pipe electronic component；It is characterized in that, control chip the end D0 be connected by coil K1 with power supply -24V, 220VAC power supply and
Coil K1 corresponds to contact lower end and is connected, and coil K1 corresponds to contact upper end and is connected by port b1 with fuse FU1；Fuse
FU1 is connected with solenoid valve Y, and the major loop of solenoid valve is formed by thyristor VS1；Rectifier diode VD2 and resistance R1, resistance
R2 is connected, and is connected after resistance R1, R2 are in parallel with resistance R3, resistance R4, zener diode VD3；The collector of triode VT1 with
Resistance R3 is connected and is connected in parallel with a capacitor C1, and the control loop of solenoid valve is by resistance R5 by contact S1's and triode VT1
Base stage is connected, and base stage is connect with potentiometer R7 simultaneously；Potentiometer R7 connects with resistance R5, R6, capacitor C2, triode VT1
Emitter be divided into two-way: connect all the way with resistance R4, another way is connected with the trigger circuit of thyristor VS1；On the S2 of contact
End be connected with 220VAC electric current, the contact lower end S2 is controlled by solenoid valve Y, when solenoid valve Y power loss with controller B3 phase
Connection, is connected when obtaining electric with controller B2；The upper end coil K2 connects controller B2, and the lower end coil K2 is connected with zero-power line
It connects, coil K2 corresponds to contact lower end and is connected with+24V power supply, and upper end is connected to control chip by the end D1.
2. utilizing the method for solenoid valve auto-adjusting circuit, which comprises the following steps:
1) after equipment vacuum degree, which reaches technique, to be required, control chip exports high level at the end D0, and coil K1 electrification corresponds to auxiliary
Contact is helped to be attracted, port b1 electrification, electric current flows into the solenoid valve Y in solenoid valve by port a2 by fuse FU1, by end
Mouth a1 terminal reaches a point；
2) if thyristor VS1 does not have trigger signal, it is right that a point electric current can flow through resistance R1, resistance R2 by rectifier diode VD2
After be divided into two-way c, d；
3) when triode VT1 is off, electric current flows into resistance R5 by d point, is directly flowed through by resistance R5 equipped with port
The solenoid valve control circuit of a4 reaches triode VT1 by port a3；
4) triode VT1, which obtains trigger signal, to be connected, triode ON trigger thyristor VS1 conducting, this moment solenoid valve Y shape at
Circuit, solenoid valve are opened, then its corresponding auxiliary contact S1 is disconnected, contact S2 switches, and coil K2 is attracted this moment, the output of D1 terminal
+ 24v voltage；
5) when thyristor VS1 is connected, and auxiliary contact S1 is disconnected, triode VT1 is disconnected automatically, and equipment starts to inflate；
6) when inert gas is charged to 700Torr, automatic mode is set by modes of inflation, continues to inflate, when inert gas pressure
Power reaches 900Torr, it is believed that inflation terminates, and coil K1 power loss, then solenoid valve power loss, gas replenishment process terminate；
7) after inert gas is less than 800Torr, solenoid valve is reopened, and is inflated, and is switched repeatedly, is guaranteed in equipment
Portion's gas is a constant range；
The end D0 of control chip is connected by coil K1 with power supply -24V, 220VAC power supply contact corresponding with coil K1 lower end phase
Connection, coil K1 correspond to contact upper end and are connected by port b1 with fuse FU1；Fuse FU1 is connected with solenoid valve Y,
The major loop of solenoid valve is formed by thyristor VS1；Rectifier diode VD2 is connected with resistance R1, resistance R2, and resistance R1, R2 are simultaneously
It is connected after connection with resistance R3, resistance R4, zener diode VD3；The collector of triode VT1 is connected with resistance R3 and parallel connection
The control loop of one capacitor C1, solenoid valve are connected by contact S1 with the base stage of triode VT1 by resistance R5, and base stage is same
When connect with potentiometer R7；Potentiometer R7 connects with resistance R5, R6, capacitor C2, and the emitter of triode VT1 is divided into two-way: one
Road is connect with resistance R4, and another way is connected with the trigger circuit of thyristor VS1；The contact upper end S2 is connected with 220VAC electric current
It connects, the contact lower end S2 is controlled by solenoid valve Y, is connected when solenoid valve Y power loss with controller B3, when obtaining electric and controller
B2 is connected；The upper end coil K2 connects controller B2, and the lower end coil K2 is connected with zero-power line, and coil K2 corresponds to contact lower end
It is connected with+24V power supply, upper end is connected to control chip by the end D1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611174421.1A CN106594359B (en) | 2016-12-19 | 2016-12-19 | Solenoid valve auto-adjusting circuit and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611174421.1A CN106594359B (en) | 2016-12-19 | 2016-12-19 | Solenoid valve auto-adjusting circuit and its method |
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| Publication Number | Publication Date |
|---|---|
| CN106594359A CN106594359A (en) | 2017-04-26 |
| CN106594359B true CN106594359B (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611174421.1A Active CN106594359B (en) | 2016-12-19 | 2016-12-19 | Solenoid valve auto-adjusting circuit and its method |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021087758A1 (en) * | 2019-11-05 | 2021-05-14 | 深圳市大疆创新科技有限公司 | Solenoid valve control method, agricultural unmanned aerial vehicle and solenoid valve control device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332530A (en) * | 1994-05-31 | 1995-12-22 | Ckd Corp | Pilot type solenoid valve |
| CN102966783A (en) * | 2012-11-21 | 2013-03-13 | 浙江汉特姆阀门有限公司 | Electric control system for normally closed gas safety solenoid valves |
| 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 |
| CN105299299A (en) * | 2015-12-08 | 2016-02-03 | 重庆南方数控设备有限责任公司 | Electromagnetic valve control circuit with low-power-consumption drive function |
| DE102015101778A1 (en) * | 2015-02-08 | 2016-08-11 | Heinz Gödert | Circuit arrangement for actuating a solenoid valve by clocked control |
-
2016
- 2016-12-19 CN CN201611174421.1A patent/CN106594359B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07332530A (en) * | 1994-05-31 | 1995-12-22 | Ckd Corp | Pilot type solenoid valve |
| CN102966783A (en) * | 2012-11-21 | 2013-03-13 | 浙江汉特姆阀门有限公司 | Electric control system for normally closed gas safety solenoid valves |
| DE102015101778A1 (en) * | 2015-02-08 | 2016-08-11 | Heinz Gödert | Circuit arrangement for actuating a solenoid valve by clocked control |
| 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 |
| CN105299299A (en) * | 2015-12-08 | 2016-02-03 | 重庆南方数控设备有限责任公司 | Electromagnetic valve control circuit with low-power-consumption drive function |
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| CN106594359A (en) | 2017-04-26 |
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