CN204459371U - A kind of mortor operated valve control circuit - Google Patents
A kind of mortor operated valve control circuit Download PDFInfo
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- CN204459371U CN204459371U CN201520107700.0U CN201520107700U CN204459371U CN 204459371 U CN204459371 U CN 204459371U CN 201520107700 U CN201520107700 U CN 201520107700U CN 204459371 U CN204459371 U CN 204459371U
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Abstract
The utility model provides a kind of mortor operated valve control circuit, belongs to valve technology field.It solve the problem that in prior art, mortor operated valve can not cut out completely again when unexpected power-off.This mortor operated valve control circuit comprises buffer circuit, drive circuit and motor, buffer circuit input end is started to exchange fire line CTRL and zero line N respectively, output terminal is connected with drive circuit input end, drive circuit output terminal is connected with motor terminal, also comprise power circuit, power supply switch circuit, charging circuit and charging capacitor, power circuit input end is electrically connected with city, and output terminal is connected with power supply switch circuit input end and charging circuit input end respectively; Charging circuit output terminal connects charging capacitor, and charging capacitor output terminal is connected with power supply switch circuit input end.The problem that when this mortor operated valve control circuit perfect can solve unexpected power-off, mortor operated valve can not cut out completely, reasonable in design, circuit is simple, and practicability is high.
Description
Technical field
The utility model belongs to valve technology field, relates to a kind of mortor operated valve, particularly a kind of mortor operated valve control circuit.
Background technique
Mortor operated valve is exactly briefly with electronic actuator control valves door, thus realizes the Kai Heguan of valve.It can be divided into upper and lower two-part, and upper half part is electric actuator, and lower half portion is valve.Mortor operated valve is the high-end product in Self controlling valve, and it not only can realize on-off action, and adjustment type mortor operated valve can also realize valve position regulatory function.Because its intelligence degree compares conventional valves better with practicability, therefore the usual equipment higher in automaticity supports the use.
The control principle of current existing mortor operated valve as depicted in figs. 1 and 2, in Fig. 1, final controlling element inside comprises motor and the control circuit for controlling motor, and final controlling element outside comprises three not homochromy wires and power supply, and control circuit is connected with power supply by three wires, wherein red line and green line connect positive pole respectively, black line connects negative pole, is connected to switch between green line and power supply, when the switch is closed, valve open, the inner auto-breaking of final controlling element after putting in place; When switch disconnects, valve closes, the inner auto-breaking of final controlling element after putting in place, there is following defect in the program: when having electric, by opening or closing of a switch control rule valve; When there is no suddenly electricity also in the process opened, if valve opens half, will action be stopped, causing valve half-open position always, can not automatically close.In Fig. 2, final controlling element inside is made up of control circuit, motor and farad capacitor, and final controlling element is outside is connected to switch by two wires and electric power generating composition between red line and power supply, when the switch is closed, and valve open, the inner auto-breaking of final controlling element after putting in place; When switch disconnects, valve closes, the inner auto-breaking of final controlling element after putting in place, although the problem in the program solves disclosed in Fig. 1 technological scheme, there is following defect in the program: in valve open process when unexpected power-off, because controller inside has a farad capacitor can discharge at this moment, therefore valve also can self-acting valve, but this valve needs to charge when valve opening, and the duration of charge wants 5 seconds more than, if do not have long-term valve opening, the duration of charge even may extend to more than 1 minute.If valve opening is after two seconds, unexpected power-off, the electricity at this moment in farad capacitor does not have abundance, and its electricity of releasing is not enough to that valve is closed and puts in place, and such valve still can be in half-open position.
Summary of the invention
There are the problems referred to above for existing technology in the utility model, proposes a kind of mortor operated valve control circuit, and this mortor operated valve control circuit can make mortor operated valve, and no matter when power-off can both be closed automatically.
The utility model is realized by following technical proposal: a kind of mortor operated valve control circuit, be characterised in that, comprise buffer circuit, drive circuit and motor, described buffer circuit input end is started to exchange fire line CTRL and zero line N respectively, output terminal is connected with drive circuit input end, described drive circuit output terminal is connected with motor terminal, also comprise power circuit, power supply switch circuit, charging circuit and charging capacitor, described power circuit input end is electrically connected with city, and output terminal is connected with power supply switch circuit input end and charging circuit input end respectively; Described charging circuit output terminal connects charging capacitor, and described charging capacitor output terminal is connected with power supply switch circuit input end.
In this mortor operated valve control circuit, power circuit is directly connected on charging circuit, therefore no matter pipe is valve opening, still valve is closed, all can not affect charging circuit to charge to charging capacitor, in charging capacitor, the moment is all in full power state, when unexpected power-off, and the enough throttle downs of the electricity in charging capacitor; In addition, forceful electric power (power system) can be prevented the interference of control system by arranging buffer circuit, thus make system more stable, applied widely, practicability is better.
In above-mentioned a kind of mortor operated valve control circuit, described power circuit comprises modular power source P1, resistance R1, electrochemical capacitor C1, electrochemical capacitor C2, electric capacity C3 and diode D1, and pin 12, the pin 7 of described modular power source P1 connect civil power respectively; Described resistance R1 two ends are connection module power supply P1 pin 12 and pin 7 respectively; Described electrochemical capacitor C1 positive pole connection module power supply P1 pin 10, negative pole connects pin 7; The pin 1 of described modular power source P1 connects electrochemical capacitor C2 positive pole, electric capacity C3 one end and diode D1 negative pole, pin 3 ground connection respectively; Described electrochemical capacitor C2 negative pole, the electric capacity C3 the other end are all connected with pin 3 with diode D1 positive pole.Adopt modular power source P1, concrete model is LS03-05B05S, its wide input voltage range: 65-460VAC (90-650VDC) or 30-280VAC (30-400VDC), meet voltage rating: 380/220V (four wire three phase) or 100/57.7V (phase three-wire three) appoints the power reguirements meeting 2 linemans and do, applied widely, practicability is better.
In above-mentioned a kind of mortor operated valve control circuit, described charging circuit comprises diode D2, resistance R2 and resistance R3, the pin 1 of described diode D2 positive pole connection module power supply P1, one end of negative pole difference connecting resistance R2 and resistance R3, resistance R2, the resistance R3 the other end are connected and are connected with charging capacitor as charging circuit output terminal.Charging circuit is directly connected with electric quantity of power supply, open with drive circuit, to open or throttle down all can not affect charging circuit and charges to charging capacitor, ensure that the charging capacitor moment is in Full Power State, under the situations such as burst power-off, charging capacitor can discharge the running of enough electricity drive motor.
In above-mentioned a kind of mortor operated valve control circuit, described charging capacitor is farad capacitor C4, described farad capacitor C4 mono-termination charging circuit, the other end ground connection.Farad capacitor is super capacitor again, and capacity is large, therefore, it is possible to store enough electricity to carry out drive motor throttle down.
In above-mentioned a kind of mortor operated valve control circuit, described power supply switch circuit comprises diode D3, diode D4, the pin 1 of described diode D3 positive pole connection module power supply P1, described diode D4 positive pole connects charging circuit output terminal, and the negative pole of described diode D3, diode D4 is connected and as power supply switch circuit output terminal.
In above-mentioned a kind of mortor operated valve control circuit, described drive circuit comprises diverter switch S1, diverter switch S2, relay K 1, triode Q1, resistance R4 and resistance R5, described diverter switch S1 first termination power supply switch circuit output terminal, second end connects motor interface negative pole by relay K 1, the 3rd end ground connection, described diverter switch S2 first end ground connection, second end is crossed relay K1 normally opened contact and is connect motor interface negative pole, 3rd termination power diverter circuit output terminal, described motor interface positive pole is by relay K 1 normally opened contact ground connection or power supply switch circuit output terminal respectively, described relay K 1 winding input end is connected with power supply switch circuit output terminal and buffer circuit output terminal respectively, described relay K 1 winding exports and connects triode Q1 collector electrode, described triode Q1 grounded-emitter connection, described resistance R4 mono-termination buffer circuit output terminal, another termination triode Q1 base stage, described resistance R5 mono-termination triode Q1 base stage, another termination triode Q1 emitter.When normal power supply, relay K 1 controls motor interface positive pole and connects power supply switch circuit output terminal, and motor interface negative pole connects diverter switch S1 second end, and diverter switch S1 second end is by its 3rd end ground connection; When unexpected power-off, relay K 1 controls motor interface plus earth, and negative pole connects diverter switch S2 second end, and diverter switch S2 second end is connected with power supply switch circuit output terminal by its 3rd end.
In above-mentioned a kind of mortor operated valve control circuit, described buffer circuit comprises resistance R6, resistance R7, diode D5, electrochemical capacitor C5 and photo coupler U2, start to exchange fire line CTRL in described resistance R6 one end, the other end connects photo coupler U2 input anode and diode D5 negative pole respectively, described diode D5 positive pole connecting to neutral line N is also connected with photo coupler U2 input cathode, described photo coupler U2 output terminal is contact relay K1 winding input end respectively, resistance R7 one end and electrochemical capacitor C5 positive pole are as buffer circuit output terminal, the described resistance R7 the other end, the equal ground connection of electrochemical capacitor C5 negative pole.Arranging buffer circuit can prevent forceful electric power circuit (power drive circuitry) from disturbing control system circuit, ensures the stable operation of control circuit.
Compared with prior art, the utility model has the following advantages: by the direct farad capacitor charging of power circuit, avoid opening and closing valve to the impact of charging process, make moment all Full Charge Capacities in farad capacitor, can when unexpected power-off for drive motor throttle down provides sufficient electricity.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram of existing mortor operated valve control circuit.
Fig. 2 is the schematic diagram of another kind of existing mortor operated valve control circuit.
Fig. 3 is schematic block circuit diagram of the present utility model.
Fig. 4 is circuit diagram of the present utility model.
Embodiment
Be below specific embodiment of the utility model, and by reference to the accompanying drawings the technical solution of the utility model be further described, but the utility model is not limited to these embodiments.
As shown in Figure 3, this mortor operated valve control circuit comprises buffer circuit, drive circuit and motor, buffer circuit input end is started to exchange fire line CTRL and zero line N respectively, output terminal is connected with drive circuit input end, described drive circuit output terminal is connected with motor terminal, also comprise power circuit, power supply switch circuit, charging circuit and charging capacitor, power circuit input end is electrically connected with city, and output terminal is connected with power supply switch circuit input end and charging circuit input end respectively; Charging circuit output terminal connects charging capacitor, and charging capacitor output terminal is connected with power supply switch circuit input end.
Composition graphs 4 specifically, power circuit comprises modular power source P1, resistance R1, electrochemical capacitor C1, electrochemical capacitor C2, electric capacity C3 and diode D1, the model of modular power source P1 is LS03-05B05S, and pin 12, pin 7 connect civil power respectively, and pin 12 also just has fus F; Resistance R1 is piezoresistance, and its two ends are connection module power supply P1 pin 12 and pin 7 respectively; Electrochemical capacitor C1 positive pole connection module power supply P1 pin 10, negative pole connects pin 7; The pin 1 of modular power source P1 connects electrochemical capacitor C2 positive pole, electric capacity C3 one end and diode D1 negative pole respectively as power circuit output end, and electrochemical capacitor C2 negative pole, the electric capacity C3 the other end are all connected and ground connection with pin 3 with diode D1 positive pole.
Charging circuit comprises diode D2, resistance R2 and resistance R3, the pin 1 of diode D2 positive pole connection module power supply P1, one end of negative pole difference connecting resistance R2 and resistance R3, resistance R2, the resistance R3 the other end are connected as charging circuit output terminal, charging circuit output terminal connects farad capacitor C4 one end, farad capacitor C4 the other end ground connection, wherein, farad capacitor C4 capacity reaches 1F/5.5V.The charging circuit moment charges to farad capacitor C4, makes farad capacitor C4 keep full power state at any time.
Power supply switch circuit comprises diode D3, diode D4, the pin 1 of diode D3 positive pole connection module power supply P1, diode D4 positive pole connection charging circuit output terminal, and the negative pole of diode D3, diode D4 is connected and as power supply switch circuit output terminal.
Drive circuit comprises diverter switch S1, diverter switch S2, relay K 1, triode Q1, resistance R4 and resistance R5, and wherein the model of relay K 1 is G6H-2.Diverter switch S1 first termination power supply switch circuit output terminal, the second end connects motor interface negative pole by relay K 1, the 3rd end ground connection, diverter switch S2 first end ground connection, second end is crossed relay K1 and is connect motor interface negative pole, 3rd termination power diverter circuit output terminal, motor interface positive pole is by relay K 1 ground connection or power supply switch circuit output terminal respectively, relay K 1 winding input end is connected with power supply switch circuit output terminal and buffer circuit output terminal respectively, relay K 1 winding exports and connects triode Q1 collector electrode, triode Q1 grounded-emitter connection, resistance R4 mono-termination buffer circuit output terminal, another termination triode Q1 base stage, resistance R5 mono-termination triode Q1 base stage, another termination triode Q1 emitter.
Buffer circuit comprises resistance R6, resistance R7, diode D5, electrochemical capacitor C5 and photo coupler U2, and wherein the model of photo coupler U2 is TLP181GR.Resistance R6 starts to exchange fire one end line CTRL, the other end connects photo coupler U2 input anode and diode D5 negative pole respectively, diode D5 positive pole connecting to neutral line N is also connected with photo coupler U2 input cathode, photo coupler U2 output terminal distinguishes contact relay K1 winding input end, resistance R7 one end and electrochemical capacitor C5 positive pole as buffer circuit output terminal, the resistance R7 the other end, the equal ground connection of electrochemical capacitor C5 negative pole.Arranging buffer circuit can prevent forceful electric power circuit (power drive circuitry) from disturbing control system circuit, ensures the stable operation of control circuit.
The control principle of this mortor operated valve control circuit is as follows:
Power system part: power circuit exports after the conversion of the civil power of input, and the diode D3 in diverter circuit flows to drive circuit, for drive motor work; Simultaneously for farad capacitor C4 charges.Control system part: live wire conveying load current flows to drive circuit after buffer circuit isolation, controls motor rotation by drive circuit, such as, normally opens, the operation such as closedown.
When normal power supply, in drive circuit, the normally opened contact of relay K 1 controls motor interface positive pole and connects power supply switch circuit output terminal, and motor interface negative pole connects diverter switch S1 second end, and diverter switch S1 second end is by its 3rd end ground connection; Now, motor interface positive pole is connected with electrical source exchange electric current, is directly powered by power circuit, and electric current is transported to motor interface positive pole through diode D3, motor interface minus earth, and now motor rotates forward, and drives valve open.
When unexpected power-off (such as having a power failure), relay K 1 normally opened contact becomes normally-closed contact and controls motor interface plus earth, and negative pole connects diverter switch S2 second end, and diverter switch S2 second end is connected with power supply switch circuit output terminal by its 3rd end.Now, power supply switch circuit is connected with motor interface negative pole, is powered by farad capacitor C4, and farad capacitor C4 discharges, and electric current is transported to motor interface negative pole through diode D4, motor interface plus earth, now motor reversal, drives valve closing.
The power circuit of this mortor operated valve control circuit is directly connected on charging circuit, therefore no matter pipe is valve opening, still valve is closed, all can not affect charging circuit to charge to charging capacitor, in charging capacitor, the moment is all in full power state, when unexpected power-off, the enough throttle downs of the electricity in charging capacitor; In addition, forceful electric power (power system) can be prevented the interference of control system by arranging buffer circuit, thus make system more stable, applied widely, practicability is better.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (7)
1. a mortor operated valve control circuit, it is characterized in that, comprise buffer circuit, drive circuit and motor, described buffer circuit input end is started to exchange fire line CTRL and zero line N respectively, output terminal is connected with drive circuit input end, and described drive circuit output terminal is connected with motor terminal, also comprises power circuit, power supply switch circuit, charging circuit and charging capacitor, described power circuit input end is electrically connected with city, and output terminal is connected with power supply switch circuit input end and charging circuit input end respectively; Described charging circuit output terminal connects charging capacitor, and described charging capacitor output terminal is connected with power supply switch circuit input end.
2. a kind of mortor operated valve control circuit according to claim 1, it is characterized in that, described power circuit comprises modular power source P1, resistance R1, electrochemical capacitor C1, electrochemical capacitor C2, electric capacity C3 and diode D1, and pin 12, the pin 7 of described modular power source P1 connect civil power respectively; Described resistance R1 two ends are connection module power supply P1 pin 12 and pin 7 respectively; Described electrochemical capacitor C1 positive pole connection module power supply P1 pin 10, negative pole connects pin 7; The pin 1 of described modular power source P1 connects electrochemical capacitor C2 positive pole, electric capacity C3 one end and diode D1 negative pole, pin 3 ground connection respectively; Described electrochemical capacitor C2 negative pole, the electric capacity C3 the other end are all connected with pin 3 with diode D1 positive pole.
3. a kind of mortor operated valve control circuit according to claim 2, it is characterized in that, described charging circuit comprises diode D2, resistance R2 and resistance R3, the pin 1 of described diode D2 positive pole connection module power supply P1, one end of negative pole difference connecting resistance R2 and resistance R3, resistance R2, the resistance R3 the other end all connect charging capacitor one end.
4. a kind of mortor operated valve control circuit according to claim 3, is characterized in that, described charging capacitor is farad capacitor C4, described charging capacitor the other end ground connection.
5. a kind of mortor operated valve control circuit according to claim 4, it is characterized in that, described power supply switch circuit comprises diode D3, diode D4, the pin 1 of described diode D3 positive pole connection module power supply P1, described diode D4 positive pole connecting resistance R2 one end, the negative pole of described diode D3, diode D4 is connected and as power supply switch circuit output terminal.
6. a kind of mortor operated valve control circuit according to claim 1, it is characterized in that, described drive circuit comprises diverter switch S1, diverter switch S2, relay K 1, triode Q1, resistance R4 and resistance R5, described diverter switch S1 first termination power supply switch circuit output terminal, second end connects motor interface negative pole by relay K 1 normally opened contact, the 3rd end ground connection, described diverter switch S2 first end ground connection, second end connects motor interface negative pole by relay K 1, 3rd termination power diverter circuit output terminal, described motor interface positive pole is by relay K 1 normally opened contact ground connection or power supply switch circuit output terminal respectively, described relay K 1 winding input end is connected with power supply switch circuit output terminal and buffer circuit output terminal respectively, described relay K 1 winding exports and connects triode Q1 collector electrode, described triode Q1 grounded-emitter connection, described resistance R4 mono-termination buffer circuit output terminal, another termination triode Q1 base stage, described resistance R5 mono-termination triode Q1 base stage, another termination triode Q1 emitter.
7. a kind of mortor operated valve control circuit according to claim 6, it is characterized in that, described buffer circuit comprises resistance R6, resistance R7, diode D5, electrochemical capacitor C5 and photo coupler U2, start to exchange fire line CTRL in described resistance R6 one end, the other end connects photo coupler U2 input anode and diode D5 negative pole respectively, described diode D5 positive pole connecting to neutral line N is also connected with photo coupler U2 input cathode, described photo coupler U2 output terminal is contact relay K1 winding input end respectively, resistance R7 one end and electrochemical capacitor C5 positive pole are as buffer circuit output terminal, the described resistance R7 the other end, the equal ground connection of electrochemical capacitor C5 negative pole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520107700.0U CN204459371U (en) | 2015-02-13 | 2015-02-13 | A kind of mortor operated valve control circuit |
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| CN201520107700.0U CN204459371U (en) | 2015-02-13 | 2015-02-13 | A kind of mortor operated valve control circuit |
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| CN204459371U true CN204459371U (en) | 2015-07-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112891790A (en) * | 2021-03-24 | 2021-06-04 | 深圳纬安动力科技有限公司 | Lithium battery fire-fighting device with electric valves and various sensors |
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2015
- 2015-02-13 CN CN201520107700.0U patent/CN204459371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112891790A (en) * | 2021-03-24 | 2021-06-04 | 深圳纬安动力科技有限公司 | Lithium battery fire-fighting device with electric valves and various sensors |
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| C14 | Grant of patent or utility model | ||
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| CP03 | "change of name, title or address" |
Address after: Room 102, unit 1, building 3, Xinshun SME Pioneer Park, Jiangkou street, Huangyan District, Taizhou City, Zhejiang Province Patentee after: TAIZHOU TONHE FLUID CONTROL Co.,Ltd. Address before: No. 1012, Xincheng Road, Xicheng street, Huangyan, Taizhou City, Zhejiang Province Patentee before: TAIZHOU TONHE FLOW CONTROL EQUIPMENT Co.,Ltd. |
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| CP03 | "change of name, title or address" |