CN209278601U - A kind of electrical ball valve control circuit with anti-trimming function - Google Patents
A kind of electrical ball valve control circuit with anti-trimming function Download PDFInfo
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- CN209278601U CN209278601U CN201822242004.7U CN201822242004U CN209278601U CN 209278601 U CN209278601 U CN 209278601U CN 201822242004 U CN201822242004 U CN 201822242004U CN 209278601 U CN209278601 U CN 209278601U
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- valve
- electrical ball
- control circuit
- ball valve
- microcontroller
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Abstract
A kind of electrical ball valve control circuit with anti-trimming function, belongs to technical field of valve control.It solves illegal user to lead to not control valve closing using the means of destruction for disconnecting conducting wire so that valve is in the problem of normally open waste water resource.The voltage signal that break detection circuit in electrical ball valve control circuit is used to acquire power supply is sent to microcontroller, and microcontroller is used to send the control signal for closing valve when detecting that the voltage signal is low level to valve driving circuit.When there is serial connection interface, microcontroller passes through the serial connection interface and external holding real time communication or timed communication, when the microcontroller determines the communication disconnection of the serial connection interface, the control signal for closing valve is issued to valve driving circuit, realizes the closing to valve.The utility model has the function of that valve can be closed when power supply or communication line are cut in time, suitable for being transformed to existing electrical ball valve.
Description
Technical field
The utility model relates to the control circuits of motor-driven valve, belong to technical field of valve control.
Background technique
In the application field of intellectual water meter, switch control often is carried out to valve, when intelligent controller detects use
When water state is used at family extremely, closing valve signal, cutting water supply, when intelligent controller detects user's normal use will be provided
When state, Open valve signal will be provided, restores the just common usual intelligent controller of water of user and valve is difference in structure
Two different locations of water pipe are mounted on, are connected between the two with conducting wire, especially in the longer situation of the two line, for non-
Method user will be unable to play closing valve using the means of destruction for disconnecting conducting wire, so that valve is in normally open,
Waste water resource.
Utility model content
One kind is provided in broken string purpose of the utility model is to solve above-mentioned insufficient, can control valve
The electrical ball valve control circuit with anti-trimming function closed, avoids the problem that user steals water by trimming.
A kind of electrical ball valve control circuit with anti-trimming function described in the utility model include valve driving circuit,
Break detection circuit, accumulator and microcontroller, microcontroller is for issuing the valve control signal for opening or closing valve
To valve driving circuit, which is used to open or close valve according to the valve control signal sending received
Driving signal, the voltage signal that break detection circuit is used to acquire power supply are sent to microcontroller, and microcontroller is used for
When detecting that the voltage signal is low level, the control signal for closing valve is sent to valve driving circuit, accumulator is used
In carrying out charging energy-storing by power supply when electrical ball valve control circuit is worked normally, when power supply voltage is lower than setting
When threshold value, working power is provided for the electrical ball valve control circuit instead of power supply.
Electrical ball valve control circuit described in the utility model thes improvement is that: using break detection circuit realization pair
The detection for the situation that breaks；And accumulator is increased, for giving microcontroller, valve driving circuit after broken string happens
Electric energy realization is provided to the shutoff operation of electrical ball valve.
Above-mentioned electrical ball valve control circuit in practical applications, when the connecting line of power supply is cut, in microcontroller
Under the control of device, can realize the closing to valve at once, so avoid when occur power supply disconnect when valve still in open state
Lead to the generation of running water phenomenon.
The electrical ball valve control circuit, which can also increase, serial connection interface P1, and the two of serial connection interface P1
Root power connector end is separately connected the anode and power ground of power supply, the dual serial communication connection of serial connection interface P1
TX, RX are connect with the dual serial data communication end of microcontroller respectively at end.Microcontroller is by the serial connection interface and outside
Portion keeps real time communication or timed communication, when the microcontroller determines the communication disconnection of the serial connection interface, determines serial
The connecting line of communication is cut, and then can issue the control signal for closing valve to valve driving circuit, realizes the pass to valve
It closes.
The electrical ball valve control circuit of above-mentioned increase serial connection interface P1, when null modem cable is cut, microcontroller
Device can control valve closing in time, and then avoid disconnecting due to communication, cause valve that can not receive out code and to locate
There is running water phenomenon in the valve of open state.
Electrical ball valve control circuit described in the utility model with anti-trimming function in practical applications, can be concentrated
On one piece of circuit board 2, it is then attached on electrical ball valve 3, it is shown in Figure 3, convenient for electric with the driving inside electrical ball valve 3
Machine B1 connection.
The electrical ball valve control circuit with anti-trimming function described in the utility model has:
1. can when the power supply of electrical ball valve is cut, make in time close valve movement, and then avoid by
In the running water phenomenon that power cut-off causes valve that cannot close in time and occurs, effectively save water resource.
2. when the communication between the controller of electrical ball valve or control system and the control circuit of electrical ball valve disconnects, meeting
Make the movement for closing valve in time, so avoid due to communication disruption and cause electrical ball valve can not normal control close and go out
Existing running water phenomenon, effectively save water resource.
3. valve will open or close, and send other bytes when intelligent controller sends the bytecode of agreement to valve
Valve can close immediately when code.
The utility model is applicable to be transformed existing electrical ball valve.
Detailed description of the invention
Fig. 1 is the functional block diagram of electrical ball valve control circuit described in the utility model.Fig. 2 be specific embodiment two to
The specific single circuit schematic diagram of electrical ball valve control circuit described in four.Fig. 3 is that this is electric with the novel electrical ball valve control
Road is mounted on the schematic diagram on electrical ball valve.
Specific embodiment
One, of specific embodiment illustrates that present embodiment, one kind described in present embodiment have anti-trimming function referring to Fig. 1
The electrical ball valve control circuit of energy includes valve driving circuit, break detection circuit, accumulator and microcontroller, microcontroller
For issuing the valve control signal for opening or closing valve to valve driving circuit, which is used for according to reception
To valve control signal issue and open or close the driving signal of valve, break detection circuit is used to acquire the electricity of power supply
Pressure signal is sent to microcontroller, and microcontroller is used to send when detecting the voltage signal is low level and close valve
Control signal to valve driving circuit, accumulator is used to pass through power supply when electrical ball valve control circuit works normally
Charging energy-storing is carried out, is that the electrical ball valve control circuit mentions instead of power supply when power supply voltage is lower than given threshold
For working power.
Microcontroller described in present embodiment can be realized using programmable logic chips such as existing single-chip microcontrollers.
Break detection circuit described in present embodiment is connected between power supply by two resistance R1, R2 and is realized, and two
The junction of a resistance is sampled point, and microcontroller judges whether the company for power supply occur by detecting the voltage of the sampled point
If it happens the case where wiring appearance is cut then uses the work for closing valve, the accumulator in circuit can at once
Energy needed for closing valve is effectively ensured and then effectively avoids being cut due to power supply line, valve is caused to be in opening state
State and the running water phenomenon occurred.
Two, present embodiment of specific embodiment is to a kind of with anti-trimming function described in specific embodiment one
Electrical ball valve control circuit further limits, and electrical ball valve control circuit described in present embodiment increases serial connection and connects
Mouth P1, shown in Figure 2, two power connector ends of serial connection interface P1 are separately connected the anode and power supply of power supply
Ground, serial connection interface P1 dual serial communication connection end TX, RX respectively with the dual serial data communication of microcontroller
End connection.
Present embodiment increases serial connection interface, transmits for realizing microcontroller and external data, in reality
It can realize and connect with valve positioner or control system in.
For the increased serial connection interface of present embodiment institute, microcontroller passes through the serial connection interface and external guarantor
Real time communication or timed communication are held, when the microcontroller determines the communication disconnection of the serial connection interface, determines serial communication
Connecting line cut, and then the control signal for closing valve can be issued to valve driving circuit, realize the closing to valve, keep away
Exempt to cause valve that can not receive long-range control signal since serial communication disconnects and close, cause valve in the open state and
The running water phenomenon of appearance
Three, present embodiment of specific embodiment be to described in specific embodiment one or two have anti-trimming function
Electrical ball valve control circuit further limits, and the accumulator in present embodiment is realized using capacitor, shown in Figure 2,
Specifically: accumulator is by charging diode D1, discharge diode D2, charging resistor R3 and capacitor C1 realization, two poles of charging
Pipe D1 is connected between power supply anode and charging resistor R3, and the connecting node of the two is the work of electrical ball valve control circuit
Positive pole connects capacitor C1, discharge diode D2 and charging electricity between the other end and power ground of the charging resistor R3
Resistance R3 is connected in parallel, and its cathode is connect with the working power anode of electrical ball valve control circuit.
Above-mentioned accumulator is real to capacitor C1 by charging diode D1 when electrical ball valve control circuit works normally
Existing charging energy-storing, when the voltage of power supply drop to can not normal power supply when, general estimation is that trimming situation, capacitor occurs
Electrical ball valve control circuit is given to provide working power by discharge diode D2, to guarantee closing valve that microcontroller issues
Control signal, which is performed, to be finished, it may be assumed that is realized and is closed valve.Charging diode D1 in circuit can be avoided capacitor power supply when pair
Power supply causes to recoil and damage power supply.The capacity of capacitor C1 electric energy according to required for closing valve designs, can
To select existing charging rate to realize than faster super capacitor.
Four, present embodiment of specific embodiment be to described in specific embodiment one, two or three have anti-trimming function
The electrical ball valve control circuit of energy further limits, and the valve driving circuit in present embodiment uses the driving of MX612 type
Chip U2 and resistance R4 realizes that shown in Figure 2, the pin 2 and pin 3 of driving chip U2 is connect with microcontroller respectively,
For receiving Open valve respectively and closing the control signal of valve, the pin 6 and pin 7 of driving chip U2 drives for issuing
The signal of movable valve movement, the pin 4 and pin 8 of driving chip U2 pass through resistance R4 with power supply even after being shorted
It connects, which goes back output valve operating current signal to microcontroller.
Claims (6)
1. a kind of electrical ball valve control circuit with anti-trimming function, which includes valve driving circuit and microcontroller,
For issuing the valve control signal for opening or closing valve to valve driving circuit, which is used for microcontroller
The driving signal for opening or closing valve is issued according to the valve control signal received, which is characterized in that the electrical ball valve control
Circuit processed further includes break detection circuit and accumulator, and the voltage signal that break detection circuit is used to acquire power supply is sent
To microcontroller, microcontroller is used to send the control signal for closing valve when detecting the voltage signal is low level
To valve driving circuit, accumulator is used to carry out charging storage by power supply when electrical ball valve control circuit is worked normally
Can, when power supply voltage is lower than given threshold, working power is provided for the electrical ball valve control circuit instead of power supply.
2. a kind of electrical ball valve control circuit according to claim 1, which is characterized in that the electrical ball valve control circuit
It further include serial connection interface (P1), two power connector ends of the serial connection interface (P1) are being separately connected power supply just
Pole and power ground, dual serial communication connection end TX, RX of the serial connection interface (P1) go here and there with two of microcontroller respectively
The connection of row data communication ends.
3. a kind of electrical ball valve control circuit according to claim 2, which is characterized in that the microcontroller is serial by this
Connecting interface and external holding real time communication or timed communication, when the microcontroller determines that the communication of the serial connection interface disconnects
When, determine that the connecting line of serial communication is cut, and then the control signal for closing valve can be issued to valve driving circuit, realizes
Closing to valve.
4. a kind of according to claim 1,2 or 3 electrical ball valve control circuit, which is characterized in that the burn out detection electricity
It routes two resistance R1, R2 and is connected between power supply and realize, the junction of two resistance is sampled point, the electricity of sampling electricity
Pressure signal is sent to microcontroller.
5. a kind of according to claim 1,2 or 3 electrical ball valve control circuit, which is characterized in that the accumulator uses
Capacitor realizes that the accumulator is real by charging diode (D1), discharge diode (D2), charging resistor R3 and capacitor (C1)
Existing, charging diode (D1) is connected between power supply anode and charging resistor R3, and the connecting node of the two is electrical ball valve
The working power anode of control circuit, connects capacitor (C1) between the other end and power ground of the charging resistor R3, electric discharge
Diode (D2) is connected in parallel with charging resistor R3, and its cathode is connect with the working power anode of electrical ball valve control circuit.
6. a kind of according to claim 1,2 or 3 electrical ball valve control circuit, which is characterized in that the valve drives electricity
Road using MX612 type driving chip (U2) and resistance R4 realization, the pin 2 and pin 3 of the driving chip (U2) respectively with it is micro-
Controller connection, for receiving Open valve respectively and closing the control signal of valve, the pin 6 and pipe of the driving chip (U2)
Foot 7 is used to issue the signal of driving valve event, and the pin 4 and pin 8 of the driving chip (U2) pass through resistance R4 after being shorted
It with power supply connect, which goes back output valve operating current signal to microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242004.7U CN209278601U (en) | 2018-12-28 | 2018-12-28 | A kind of electrical ball valve control circuit with anti-trimming function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822242004.7U CN209278601U (en) | 2018-12-28 | 2018-12-28 | A kind of electrical ball valve control circuit with anti-trimming function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278601U true CN209278601U (en) | 2019-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822242004.7U Active CN209278601U (en) | 2018-12-28 | 2018-12-28 | A kind of electrical ball valve control circuit with anti-trimming function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634253A (en) * | 2019-09-27 | 2019-12-31 | 深圳市大拿科技有限公司 | Doorbell abnormity warning method and related products |
-
2018
- 2018-12-28 CN CN201822242004.7U patent/CN209278601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634253A (en) * | 2019-09-27 | 2019-12-31 | 深圳市大拿科技有限公司 | Doorbell abnormity warning method and related products |
| CN110634253B (en) * | 2019-09-27 | 2021-07-20 | 深圳市海雀科技有限公司 | Doorbell abnormity warning method and related products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210708 Address after: No.380, Xuefu Road, Nangang District, Harbin City, Heilongjiang Province Patentee after: HARBIN SYNJONES HUAKE ELECTRONIC EQUIPMENT Co.,Ltd. Address before: 150000 No. 102, Han River Road, Nangang District, Heilongjiang, Harbin Patentee before: HARBIN SYNJONES ELECTRONIC Co.,Ltd. |
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| TR01 | Transfer of patent right |