CN102287566B - Electromagnetic valve control circuit - Google Patents
Electromagnetic valve control circuit Download PDFInfo
- Publication number
- CN102287566B CN102287566B CN2010102042674A CN201010204267A CN102287566B CN 102287566 B CN102287566 B CN 102287566B CN 2010102042674 A CN2010102042674 A CN 2010102042674A CN 201010204267 A CN201010204267 A CN 201010204267A CN 102287566 B CN102287566 B CN 102287566B
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- control circuit
- operational amplifier
- solenoid valve
- resistance
- output terminal
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Abstract
The invention discloses an electromagnetic valve control circuit which comprises an electromagnetic valve, regulating devices and a main control circuit; the main control circuit and the regulating devices are connected through a change-over switch; the regulating devices control the electromagnetic valve through the main control circuit; and the main control circuit comprises an external closed loop control system circuit and an internal reference circuit. The electromagnetic valve control circuit has the beneficial effects that: a plurality of regulating devices are connected with the main control circuit, so that the different levels of operation of an operator are convenient, and the circuit has a simple design, low cost and reliable performance. The design of the reference circuit is more convenient to calibrate and operate by the operator. Due to the design of the external closed loop control circuit, the control circuit has strong anti-interference capability, good stability and high reaction speed.
Description
Technical field
The present invention relates to a kind of control circuit, especially a kind of solenoid valve Hall reaction type control circuit that is used for.
Background technique
Solenoid valve on the market is of a great variety, control mode nothing more than manual adjustment electromagnetic valve voltage with add controlled constant current voltage, through the operating voltage of hand-guided solenoid valve, reach the rotation angle of control electromagnetic valve, and then control air-flow size.The hand-guided precision is relatively poor, efficient is low, be difficult to accurate location, and the interference of power supply simultaneously is bigger, and airflow fluctuation is bigger, and maintenance cost is higher.Carry out dividing potential drop with the mechanical handle adjusting, on control mode, exist to be subject to disturb and regulating handle rapid wear situation.Process medium velocity regulating is slow, because resistance is big, the air-flow that the while valve comes out is unstable, has influenced testing precision and testing efficiency.
Summary of the invention
In order to address the above problem, the invention provides a kind of solenoid valve control circuit, be connected with main control circuit through multiple controlling device, be convenient to operator's different levels operation, circuit design is simple, reliable performance.
The present invention adopts following technological scheme to be achieved:
A kind of solenoid valve control circuit comprises solenoid valve, controlling device and main control circuit, and said main control circuit is connected through throw over switch with controlling device, and said controlling device is through said master control circuit controls solenoid valve.
A kind of solenoid valve control circuit of the present invention, wherein, said controlling device is manual adjustment device or computer regulated device.Computer is gathered external signal through data collecting card and is got into computer through the analog output channel; Perhaps data collecting card is transferred to the signal of computer settings in the control circuit through the analog output channel, the speed of adjusting and the precision of adjusting be improved significantly.
A kind of solenoid valve control circuit of the present invention; Wherein, Said main control circuit comprises outer closed loop control system circuit and internal reference circuit, and said internal reference circuit comprises the second potentiometer VR2 and the 4th resistance R 4, through regulating the second potentiometer VR2; Obtain a reference potential, easy-to-operat person Field adjustment be convenient to later calibration.
A kind of solenoid valve control circuit of the present invention, wherein, said outer closed loop control system circuit comprises the first triode Q1, the 3rd sampling potentiometer VR3, solenoid valve and sensor and the second operational amplifier IC2.The base stage of said second operational amplifier IC2 and the said first triode Q1 is connected; The emitter of the said first triode Q1 is connected with said sensor in-phase input end; First output terminal of said sensor is connected with solenoid valve, and second output terminal of said sensor is connected with the inverting input of the second operational amplifier IC2.Be connected with the 5th diode D5 between the base stage of said second operational amplifier IC2 and the said first triode Q1.Be connected with the second triode Q2 between the emitter of said second operational amplifier IC2 and the said first triode Q1; The base stage of the said second triode Q2 is connected with the second operational amplifier IC2, and the emitter of the said second triode Q2 is connected with the input end of sensor.Between the base stage of the said second triode Q2 and the second operational amplifier IC2, be connected with the 6th diode D6, be connected with the 9th resistance R 9 between the base stage of the said second triode Q2 and the collector electrode.
A kind of solenoid valve control circuit of the present invention wherein, is connected with the 7th resistance R 7 between second output terminal of said sensor and the inverting input of the second operational amplifier IC2.
A kind of solenoid valve control circuit of the present invention; Wherein, The in-phase input end of the said second operational amplifier IC2 is connected with the first operational amplifier IC1; Be connected with the 6th resistance R 6, the 3rd diode D3 and the 4th diode D4 between the output terminal of the in-phase input end of the said second operational amplifier IC2 and the first operational amplifier IC1, the in-phase input end of the said first operational amplifier IC1 is connected with the first diode D1 and the second diode D2.
A kind of solenoid valve control circuit of the present invention, wherein, the in-phase input end of the said first operational amplifier IC1 is connected with throw over switch, is connected with the 3rd resistance R 3 and the 5th diode D5 between the in-phase input end of the said first operational amplifier IC1 and the ground wire.
A kind of solenoid valve control circuit of the present invention; Wherein, Connect second capacitor C 2 between the inverting input of the said second operational amplifier IC2 and the output terminal, connect the 5th resistance R 5 and first capacitor C 1 between the inverting input of the said first operational amplifier IC1 and the output terminal.
Beneficial effect of the present invention is:
Adopted multiple controlling device to be connected with main control circuit, be convenient to operator's different levels operation, circuit design is simple, and cost is low, reliable performance.
The design of internal reference circuit, the operator's calibration operation of being more convenient for.
The design of outer closed control circuit makes that the control circuit antijamming capability is strong, good stability, and reaction velocity is fast.
In circuit, connect the 7th resistance R 7 in order to protect the second operational amplifier IC2.
Input and output side at the first operational amplifier IC1 and the second operational amplifier IC2 has increased by two diodes respectively, mainly disturbs in order to prevent, an operational amplifier IC1 and the second operational amplifier IC2 have been played protective action.
Between the in-phase input end of the first operational amplifier IC1 and ground wire, be connected with the 3rd resistance R 3 and the 5th diode D5; Mainly be that misoperation causes the heavy current impact solenoid valve when preventing to regulate; Also prevent the impact of interference data collecting card in the circuit, the protected data capture card.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further detailed explanation.
Fig. 1 is the schematic diagram of a kind of solenoid valve control circuit of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with embodiment, further set forth the present invention.
As shown in Figure 1; A kind of solenoid valve control circuit comprises solenoid valve Jm, controlling device and main control circuit; Main control circuit is connected through throw over switch S1 with controlling device; Controlling device is through master control circuit controls solenoid valve Jm, and controlling device is manual adjustment device or computer regulated device, and the manual adjustment device is the first potentiometer VR1; The first potentiometer VR1 is connected the back and is connected with throw over switch S1 with first resistance R 1, the computer regulated device is connected with the computer acquisition port through throw over switch S1.Main control circuit comprises outer closed loop control system circuit and internal reference circuit.Outer closed loop control system circuit comprises the first triode Q1, the 3rd sampling potentiometer VR3, solenoid valve JM and sensor VSM and the second operational amplifier IC2.The in-phase input end of the second operational amplifier IC2 is connected with the output terminal of the first operational amplifier IC1, and is connected with the 6th resistance R 6 between the two.The output terminal of the first operational amplifier IC1 is being connected the 3rd triode D3, the 4th triode D4 and the first triode D1, the second triode D2 respectively with input end.The internal reference circuit comprises the second potentiometer VR2 and the 4th resistance R 4; The second potentiometer VR2 is a multiturn potentiometer; The inverting input of the 4th resistance R 4 and the first operational amplifier IC1 is connected; Set an inner reference potential through regulating the second potentiometer VR2, make things convenient for Field adjustment and be convenient to later calibration.Corresponding first capacitor C 1, the 5th resistance R 5 and second capacitor C 2 of connecting between the inverting input of the first operational amplifier IC1 and the second operational amplifier IC2 and output terminal mainly is the damage that prevents that voltage jump from bringing to solenoid valve respectively.Between the first operational amplifier IC1 and ground wire, be connected with the 3rd resistance R 3 and the 5th diode D5; The 5th diode D5 is a voltage-stabiliser tube; Mainly being that misoperation causes the heavy current impact solenoid valve when preventing to regulate, also is to prevent impact of interference data collecting card in the circuit simultaneously.The base stage of the second operational amplifier IC2 and the first triode Q1 is connected; The emitter of the first triode Q1 is connected with sensor VSM in-phase input end; First output terminal of sensor VSM is connected with solenoid valve Jm, and second output terminal of sensor VSM is connected with the inverting input of the second operational amplifier IC2.Be connected with the 5th diode D5 between the base stage of the second operational amplifier IC2 and the first triode Q1.Between the base stage of the first triode Q1 and collector electrode, be connected with the 8th resistance R 8.Be connected with the second triode Q2 between the emitter of the second operational amplifier IC2 and the first triode Q1, the base stage of the second triode Q2 is connected with the second operational amplifier IC2, and the emitter of the second triode Q2 is connected with the input end of sensor VSM.Between the base stage of the second triode Q2 and the second operational amplifier IC2, be connected with the 6th diode D6; Be connected with the 9th resistance R 9 between the base stage of the second triode Q2 and the collector electrode; The 6th diode D6 that in circuit, increases and the 9th resistance R 9 mainly are in order to protect the second operational amplifier IC2; Between first output terminal of sensor VSM and solenoid valve Jm, be connected with the tenth resistance R 10 and the 11 resistance R 11, through the effect of current-limiting protection solenoid valve.
Above-described embodiment; The object of the invention, technological scheme and beneficial effect have been carried out advancing a detailed description, and institute it should be understood that the above is merely embodiment of the present invention; And be not used in qualification protection scope of the present invention; All within spirit of the present invention and principle, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. solenoid valve control circuit; Comprise solenoid valve; It also comprises: controlling device and main control circuit, and said main control circuit is connected through throw over switch with controlling device, and said controlling device is through said master control circuit controls solenoid valve; It is characterized in that; Said controlling device is manual adjustment device or computer regulated device, and said main control circuit comprises outer closed loop control system circuit and internal reference circuit, and said internal reference circuit comprises the second potentiometer VR2 and the 4th resistance R 4; The said second potentiometer VR2 is connected with the 4th resistance R 4; Said outer closed loop control system circuit comprises the first triode Q1, the 3rd sampling potentiometer VR3, solenoid valve and sensor and the second operational amplifier IC2, and the base stage of said second operational amplifier IC2 and the said first triode Q1 is connected, and the emitter of the said first triode Q1 is connected with said sensor in-phase input end; First output terminal of said sensor is connected with said solenoid valve, and second output terminal of said sensor is connected with the inverting input of the second operational amplifier IC2.
2. a kind of solenoid valve control circuit according to claim 1; It is characterized in that; The in-phase input end of the said second operational amplifier IC2 is connected with the output terminal of the first operational amplifier IC1; Be connected with the 6th resistance R 6, the 3rd diode D3 and the 4th diode D4 between the output terminal of the in-phase input end of the said second operational amplifier IC2 and the said first operational amplifier IC1, the in-phase input end of the said first operational amplifier IC1 is connected with the first diode D1 and the second diode D2.
3. a kind of solenoid valve control circuit according to claim 2; It is characterized in that; The in-phase input end of the said first operational amplifier IC1 is connected with throw over switch, is connected with the 3rd resistance R 3 and the 5th diode D5 between the in-phase input end of the said first operational amplifier IC1 and the ground wire.
4. a kind of solenoid valve control circuit according to claim 3; It is characterized in that; Connect second capacitor C 2 between the inverting input of the said second operational amplifier IC2 and the output terminal, connect the 5th resistance R 5 and first capacitor C 1 between the inverting input of the said first operational amplifier IC1 and the output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102042674A CN102287566B (en) | 2010-06-21 | 2010-06-21 | Electromagnetic valve control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102042674A CN102287566B (en) | 2010-06-21 | 2010-06-21 | Electromagnetic valve control circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102287566A CN102287566A (en) | 2011-12-21 |
| CN102287566B true CN102287566B (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102042674A Expired - Fee Related CN102287566B (en) | 2010-06-21 | 2010-06-21 | Electromagnetic valve control circuit |
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| CN (1) | CN102287566B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103016822B (en) * | 2012-12-04 | 2014-08-20 | 哈尔滨工程大学 | Signal simulation circuit for switch type butterfly valve |
| CN105571655A (en) * | 2015-12-29 | 2016-05-11 | 成都兴联宜科技有限公司 | Rotary wing type photoelectric direct reading teletransmission valve-controlled water meter |
| CN105466511A (en) * | 2015-12-29 | 2016-04-06 | 成都兴联宜科技有限公司 | Photoelectric direct-reading remote transmission valve control water meter |
| CN105424122A (en) * | 2015-12-29 | 2016-03-23 | 成都兴联宜科技有限公司 | Valve control circuit for photoelectric direct-reading large-diameter remote water meter |
| CN105629784A (en) * | 2015-12-29 | 2016-06-01 | 成都兴联宜科技有限公司 | Photoelectric direct-reading telemetering valve control water meter valve control circuit |
| CN105626935B (en) * | 2016-01-13 | 2018-03-02 | 陕西省电子技术研究所 | A kind of automatic control valve controling circuit |
| CN106286953B (en) * | 2016-09-21 | 2018-08-10 | 常熟纺织机械厂有限公司 | Electromagnetic valve component of electronic jacquard machine constant current source control device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2131575A (en) * | 1982-11-12 | 1984-06-20 | Fuji Heavy Ind Ltd | System for regulating the idling speed of an internal combustion engine |
| US4478322A (en) * | 1981-04-24 | 1984-10-23 | Borg-Warner Corporation | Lockup clutch control system |
| CN2250535Y (en) * | 1995-11-14 | 1997-03-26 | 鞍山自控仪表(集团)股份有限公司 | Electronic positioner for electric valve |
| CN2804903Y (en) * | 2005-07-07 | 2006-08-09 | 扬州电力设备修造厂 | Power control assembly for valve electric actuating mechanism |
| CN2926304Y (en) * | 2006-05-30 | 2007-07-25 | 镇江华晨华通路面机械有限公司 | Stepless spiral transferring speed-adjusting system for spreader |
-
2010
- 2010-06-21 CN CN2010102042674A patent/CN102287566B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4478322A (en) * | 1981-04-24 | 1984-10-23 | Borg-Warner Corporation | Lockup clutch control system |
| GB2131575A (en) * | 1982-11-12 | 1984-06-20 | Fuji Heavy Ind Ltd | System for regulating the idling speed of an internal combustion engine |
| CN2250535Y (en) * | 1995-11-14 | 1997-03-26 | 鞍山自控仪表(集团)股份有限公司 | Electronic positioner for electric valve |
| CN2804903Y (en) * | 2005-07-07 | 2006-08-09 | 扬州电力设备修造厂 | Power control assembly for valve electric actuating mechanism |
| CN2926304Y (en) * | 2006-05-30 | 2007-07-25 | 镇江华晨华通路面机械有限公司 | Stepless spiral transferring speed-adjusting system for spreader |
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| CN102287566A (en) | 2011-12-21 |
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Address after: 210046, No. 108 East, Gan Jia, Qixia District, Jiangsu, Nanjing Patentee after: JIANGSU CAMELLIA ELECTRIC CO., LTD. Address before: 210046, No. 108 East, Gan Jia, Qixia District, Jiangsu, Nanjing Patentee before: Camellia Electric Co., Ltd. Jiangsu |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20150621 |
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| EXPY | Termination of patent right or utility model |