CN209070320U - Control circuit of fetching water and water fetching device - Google Patents
Control circuit of fetching water and water fetching device Download PDFInfo
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- CN209070320U CN209070320U CN201821570825.7U CN201821570825U CN209070320U CN 209070320 U CN209070320 U CN 209070320U CN 201821570825 U CN201821570825 U CN 201821570825U CN 209070320 U CN209070320 U CN 209070320U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 230000001052 transient effect Effects 0.000 claims description 14
- 230000001629 suppression Effects 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 25
- 238000010586 diagram Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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Abstract
The utility model embodiment discloses a kind of water intaking control circuit and water fetching device, comprising: controller, ranging sensing circuit, driving circuit for electromagnetic valve and solenoid valve；The signal output end of the ranging sensing circuit is electrically connected with the signal input part of the controller；The driving control signal output end of the controller is electrically connected with the driving control signal input terminal of the driving circuit for electromagnetic valve；The driving signal output end of the driving circuit for electromagnetic valve is electrically connected with the control signal input of the solenoid valve, and the driving circuit for electromagnetic valve is turned on or off for drive magnetic valve.Technical solution provided by the utility model, the distance signal that controller is obtained by ranging sensing circuit to control driving circuit for electromagnetic valve, and then controls turning on or off for solenoid valve, it is finally reached the purpose that control water fetching device water outlet water outlet or is not discharged, facilitates the water intaking process of user.
Description
Technical field
The utility model embodiment automatic control technology field more particularly to a kind of water intaking control circuit and water intaking dress
It sets.
Background technique
The currently employed water-supply method of water purifier, generallys use mechanical water-supply method and electronic type water-supply method.
The water purifier of mechanical water-supply method is by by handle water intaking or the movement of pushing handle, so that the water outlet of water purifier
Mouth water outlet, to achieve the purpose that water intaking.The bad realization intelligent control of water purifier and scalability of mechanical water-supply method are poor.Electricity
The water purifier of minor water-supply method is to control water outlet solenoid valve by obtaining the signal of key-press input, so that water outlet
Water outlet, such water purifier are only operated with a hand nor very convenient.
Utility model content
In view of this, the utility model embodiment provides a kind of water intaking control circuit and water fetching device, it is existing to solve
There is in technology the technical issues of using causing inconvenience to the user during mechanical water-supply method and electronic type water-supply method.
In a first aspect, the utility model embodiment provides a kind of water intaking control circuit, comprising:
Controller, ranging sensing circuit, driving circuit for electromagnetic valve and solenoid valve；
The signal output end of the ranging sensing circuit is electrically connected with the signal input part of the controller；
The driving control signal output end of the controller and the driving control signal of the driving circuit for electromagnetic valve input
End electrical connection；
The driving signal output end of the driving circuit for electromagnetic valve is electrically connected with the control signal input of the solenoid valve,
The driving circuit for electromagnetic valve is turned on or off for drive magnetic valve.
Optionally, the driving circuit for electromagnetic valve includes switch unit, relay and Transient Suppression Diode, the relay
The common of device is grounded, and normally opened contact and the first power electric connection, normally-closed contact are hanging；The first of the coil of the relay
End and first power electric connection；The first end of the Transient Suppression Diode is electrically connected with the normally opened contact, the wink
State inhibits the second end and first power electric connection of diode；
The switch unit includes first end, second end and control terminal, the first end of the switch unit and the coil
Second end electrical connection, the second end ground connection of the switch unit, the control terminal of the switch unit drives as the solenoid valve
The driving control signal input terminal of dynamic circuit.
Optionally, the switch unit includes the first current-limiting resistance and the first triode；
The first end of first current-limiting resistance is electrically connected with the driving control signal output end of the controller, and described
The second end of one current-limiting resistance is electrically connected with the base stage of first triode, the emitter ground connection of first triode, institute
The collector for stating the first triode is electrically connected with the second end of the coil.
Optionally, the driving circuit for electromagnetic valve further includes first releasing diode, the described first sun for releasing diode
Pole is electrically connected with the second end of the coil, and the described first cathode for releasing diode is electrically connected with the first end of the coil.
Optionally, the ranging sensing circuit includes signal sending circuit and signal receiving circuit；
The control signal input of the signal sending circuit is electrically connected with the control signal output of the controller, institute
Signal sending circuit is stated for emitting ultrasonic wave and/or infrared ray according to the control of the controller；
The signal output end of the signal receiving circuit is electrically connected with the signal input part of the controller, can be received super
Sound wave and/or infrared ray, and be converted into electric signal and export to the controller.
Optionally, the signal sending circuit includes sender unit and the second triode；
The base stage of second triode is electrically connected with the control signal output of the controller, second triode
Emitter ground connection, the collector of second triode is electrically connected with the transmission control signal input of the sender unit
It connects；The power input of the sender unit is electrically connected with second source；
The sender unit includes ultrasonic transmitter or infrared transmitter.
Optionally, the signal sending circuit further includes second releasing diode, the described second anode for releasing diode
Be electrically connected with the control signal input of the sender unit, described second release diode cathode and the second source
Electrical connection.
Optionally, the signal sending circuit further includes the second current-limiting resistance, the first end of second current-limiting resistance with
The control signal output of the controller is electrically connected, the base of the second end of second current-limiting resistance and second triode
Pole electrical connection.
Optionally, the signal receiving circuit includes signal receiver and pull-up resistor；
The first end of the signal receiver is grounded, and the second end of the signal receiver and the signal of the controller are defeated
Enter end electrical connection；The second end of the signal receiver is electrically connected second source by the pull-up resistor；
The signal receiver includes ultrasonic receiver or infrared remote receiver.
Second aspect, the utility model embodiment provide a kind of water fetching device, based on water intaking control described in first aspect
Circuit processed, comprising:
Water outlet, the water outlet install solenoid valve, and the solenoid valve opens the water outlet water outlet of the water fetching device,
The solenoid valve is closed, and the water outlet of the water fetching device is not discharged.
The utility model embodiment provides a kind of water intaking control circuit and water fetching device, and controller passes through ranging and senses
The distance signal that circuit obtains, the distance signal identify the distance of water outlet of the cup away from water fetching device, control solenoid-driven
Circuit, and then control solenoid valve and turn on or off is finally reached the water outlet of control water fetching device water outlet or is not discharged
Purpose facilitates the water intaking process of user, to solve to use mechanical water-supply method and electronic type water-supply method in the prior art
The technical issues of causing inconvenience to the user in the process.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for water intaking control circuit that the utility model embodiment one provides；
Fig. 2 is a kind of structural schematic diagram for driving circuit for electromagnetic valve that the utility model embodiment one provides；
Fig. 3 is the structural schematic diagram for another driving circuit for electromagnetic valve that the utility model embodiment one provides；
The structural schematic diagram for another water intaking control circuit that Fig. 4 the utility model embodiment one provides；
Fig. 5 is a kind of structural schematic diagram for signal receiving circuit that utility model embodiment one provides；
Fig. 6 is a kind of structural schematic diagram for signal sending circuit that utility model embodiment one provides.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Embodiment one
The utility model embodiment provides a kind of water intaking control circuit, and referring to Fig. 1, which includes: control
Device 100, ranging sensing circuit 200, driving circuit for electromagnetic valve 300 and solenoid valve 400 processed；The signal of ranging sensing circuit 200 is defeated
Outlet A1 is electrically connected with the signal input part B1 of controller 100；The driving control signal output end B2 and solenoid valve of controller 100
The driving control signal input terminal C1 of driving circuit 300 is electrically connected；The driving signal output end C2 of driving circuit for electromagnetic valve 300
Be electrically connected with the control signal input M1 of solenoid valve 400, driving circuit for electromagnetic valve 300 for drive magnetic valve 400 open or
Person closes.
The utility model embodiment provides a kind of water intaking control circuit, controller by ranging sensing circuit obtain away from
From signal, which identifies the distance of water outlet of the cup away from water fetching device, when distance signal and pre-determined distance signal
Timing can determine that the water outlet of water fetching device is placed with cup, controller controls driving circuit for electromagnetic valve, and then controls electromagnetism
The opening of valve is finally reached the purpose of control water fetching device water outlet water outlet, when distance signal and pre-determined distance signal mismatch
When, that is, it can determine that the cup of the water outlet of water fetching device is removed, controller controls driving circuit for electromagnetic valve, and then controls electromagnetism
The closure of valve, is finally reached the purpose that control water fetching device water outlet is not discharged, and entire control process facilitates the water intaking of user
Process is caused inconvenience to the user using mechanical water-supply method and electronic type water-supply method in the process in the prior art with solution
Technical problem.
Optionally, based on the above technical solution, referring to fig. 2, driving circuit for electromagnetic valve 300 includes switch unit
301, the common K1a of relay K1 and Transient Suppression Diode TVS1, relay K1 are grounded, normally opened contact K1b and first
Power supply E1 electrical connection, normally-closed contact K1c are hanging；The first end of the coil L1 of relay K1 is electrically connected with the first power supply E1；Transient state
The first end of diode TVS1 is inhibited to be electrically connected with normally opened contact K1b, the second end of Transient Suppression Diode TVS1 and the first electricity
Source E1 electrical connection；Switch unit 301 includes first end F1, second end F2 and control terminal F3, the first end F1 of switch unit 301
It is electrically connected with the second end of coil L1, the second end F2 ground connection of switch unit 301, the control terminal F3 of switch unit 301 is as electricity
The driving control signal input terminal C1 of electromagnetic valve driving circuit 300 and the driving control signal output end B2 of controller 100 are electrically connected
It connects.The power input M2 of solenoid valve 400 is electrically connected with the first power supply E1, the control signal input M1 of solenoid valve 400 and often
Open contact K1b electrical connection.
Controller 100 is as follows to the control process of driving circuit for electromagnetic valve 300: controller 100 passes through ranging sensing circuit
200 obtain distance signals, which identifies the distance of water outlet of the cup away from water fetching device, when distance signal and it is default away from
When from Signal Matching, that is, it can determine that the water outlet of water fetching device is placed with cup, the driving control signal output end of controller 100
B2 output control Signal-controlled switch unit 301 be connected, switch unit 301 be connected after, coil L1 obtain it is electric, normally opened contact K1b with
Common K1a electrical connection, normally-closed contact K1c and common K1a are disconnected, and the both ends of Transient Suppression Diode TVS1 are not led
Logical, the power input M2 of solenoid valve 400 be electrically connected with the first power supply E1, the control signal input M1 of solenoid valve 400 with it is normal
Contact K1b electrical connection is opened, solenoid valve 400, the first power supply E1 and ground terminal forming circuit, solenoid valve 400 are opened, water fetching device
Water outlet water outlet.
Controller 100 obtains distance signal by ranging sensing circuit 200, which identifies cup away from water fetching device
Water outlet distance, when distance signal and pre-determined distance signal mismatch, the driving control signal output of controller 100
B2 output control Signal-controlled switch unit 301 is held to end, after switch unit 301 ends, coil L1 power loss, normally opened contact K1b
It is disconnected with common K1a, normally-closed contact K1c is electrically connected with common K1a, the power input M2 of solenoid valve 400 and the
One power supply E1 electrical connection, the control signal input M1 of solenoid valve 400 are electrically connected with the first power supply E1, Transient Suppression Diode
The first end of TVS1 is electrically connected with normally opened contact K1b, and the second end of Transient Suppression Diode TVS1 is electrically connected with the first power supply E1
It connects, the both ends of Transient Suppression Diode TVS1 are not turned under normal circumstances, and solenoid valve 400 and the first power supply E1 can not be formed back
Road, solenoid valve 400 are closed, and the water outlet of water fetching device is not discharged.It should be noted that being closed in solenoid valve 400 by being opened to
During, it is breakdown to make it possible to Transient Suppression Diode TVS1 for remaining electric energy in solenoid valve 400, still, transient state suppression
When breakdown, resistance becomes smaller diode TVS1 processed, can bear biggish electric current, can effectively play the work of protection circuit
With.
Optionally, based on the above technical solution, referring to Fig. 3, switch unit 301 include the first current-limiting resistance R1 and
First triode T1；The first end of first current-limiting resistance R1 is electrically connected with the driving control signal output end B2 of controller 100, the
The second end of one current-limiting resistance R1 is electrically connected with the base stage of the first triode T1, the emitter ground connection of the first triode T1, and first
The collector of triode T1 is electrically connected with the second end of coil L1.
Controller 100 is as follows to the control process of the first triode T1:
Controller 100 obtains distance signal according to ranging sensing circuit 200, which can be going out for water fetching device
Distance of the mouth of a river apart from cup, when distance signal and pre-determined distance matching, i.e. the water outlet of water fetching device is placed with cup, control
The driving control signal output end B2 of device 100 processed exports high level signal, and the first triode T1 conducting, coil L1 obtains electric.
Controller 100 obtains distance signal according to ranging sensing circuit 200, which can be going out for water fetching device
Distance of the mouth of a river apart from cup, when distance signal and pre-determined distance mismatch, the driving control signal output of controller 100
B2 is held to export low level signal, the first triode T1 cut-off, coil L1 power loss.
Optionally, based on the above technical solution, referring to Fig. 3, driving circuit for electromagnetic valve 300 further includes first releasing
Diode D1, the first anode for releasing diode D1 are electrically connected with the second end of coil L1, the first cathode for releasing diode D1
It is electrically connected with the first end of coil L1.First effect for releasing diode D1 is, when coil L1 power loss, consumption coil L1's
Electric energy.
Optionally, based on the above technical solution, referring to fig. 4, ranging sensing circuit 200 includes signal sending circuit
201 and signal receiving circuit 202；The control signal input G1 of signal sending circuit 201 and the control signal of controller 100
Output end B3 electrical connection, signal sending circuit 201 are used to emit ultrasonic wave and/or infrared ray according to the control of controller 100；
The signal output end H1 of signal receiving circuit 202 is electrically connected with the signal input part B1 of controller 100, can receive ultrasonic wave
And/or infrared ray, and be converted into electric signal and export to controller 100, optionally, the signal output end of signal receiving circuit 202
H1 is multiplexed with the signal output end A1 of ranging sensing circuit 200.
Optionally, based on the above technical solution, referring to Fig. 5, signal sending circuit 201 includes sender unit
The 2011 and second triode T2；The base stage of second triode T2 is electrically connected with the control signal output B3 of controller 100, and second
The emitter of triode T2 is grounded, the collector of the second triode T2 and the transmission control signal input of sender unit 2011
I1 electrical connection；The power input I2 of sender unit 2011 is electrically connected with second source E2；Sender unit 2011 includes super
Pinger or infrared transmitter.
Optionally, based on the above technical solution, referring to Fig. 5, signal sending circuit 201 further includes second releasing two
Pole pipe D2, the second anode of diode D2 of releasing are electrically connected with the control signal input I1 of sender unit 2011, and second lets out
The cathode for putting diode D2 is electrically connected with second source E2.It optionally, further include the second current-limiting resistance R2.Second current-limiting resistance R2
First end be electrically connected with the control signal output B3 of controller 100, the second end of the second current-limiting resistance R2 and the two or three pole
The base stage of pipe T2 is electrically connected.
Optionally, based on the above technical solution, referring to Fig. 6, signal receiving circuit 202 includes signal receiver
2021 and pull-up resistor R3；The first end J1 of signal receiver 202 is grounded, the second end J2 and controller of signal receiver 202
100 signal input part B1 electrical connection；The second end J2 of signal receiver 2021 is electrically connected second source by pull-up resistor R3
E2.Signal receiver 2021 includes ultrasonic receiver or infrared remote receiver.
The range measurement principle of-Fig. 6 referring to fig. 4, ranging sensing circuit 200 are as follows:
The control signal output B3 of controller 100 exports high level signal, the second triode of signal sending circuit 201
T2 conducting, sender unit 2011 send transmitting ultrasonic wave and/or infrared ray.The signal receiver of signal receiving circuit 202
2021 receive reflected ultrasonic wave and/or infrared ray.
Controller 100 records t1, Yi Jixin at the time of sender unit 2011 sends transmitting ultrasonic wave and/or infrared ray
The signal receiver 2021 of circuit 202 t2 at the time of receive reflected ultrasonic wave and/or infrared ray number is received, according to ultrasound
The speed v that wave and/or infrared ray are propagated, can calculate distance S of the cup apart from water fetching device water outlet according to formula (1).
It should be noted that ultrasonic wave is smaller by the interference of the factors such as environmental factor such as temperature and illumination, for distance
Calculating it is more accurate.
Embodiment two
It is based on same design with above-mentioned implementation, on the basis of the above embodiments, the utility model embodiment provides one
Kind water fetching device, which includes except the water intaking control circuit that above-described embodiment is related to, further includes: water outlet, water outlet
Solenoid valve is installed, solenoid valve opens the water outlet water outlet of water fetching device, and solenoid valve is closed, and the water outlet of water fetching device does not go out at mouthful
Water.
The utility model embodiment provides a kind of water fetching device, and controller is believed by the distance that ranging sensing circuit obtains
Number, which identifies the distance of water outlet of the cup away from water fetching device, when distance signal and pre-determined distance Signal Matching,
It can determine that the water outlet of water fetching device is placed with cup, controller controls driving circuit for electromagnetic valve, and then controls solenoid valve
It opens, is finally reached the purpose of control water fetching device water outlet water outlet, when distance signal and pre-determined distance signal mismatch, i.e.,
It can determine that the cup of the water outlet of water fetching device is removed, controller controls driving circuit for electromagnetic valve, and then controls solenoid valve
Closure is finally reached the purpose that control water fetching device water outlet is not discharged, and entire control process facilitates the water intaking process of user,
To solve in the prior art using the technology caused inconvenience to the user during mechanical water-supply method and electronic type water-supply method
Problem.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation is readjusted, be combined with each other and is substituted without departing from the protection scope of the utility model.Therefore, although passing through
Above embodiments are described in further detail the utility model, but the utility model is not limited only to the above implementation
Example can also include more other equivalent embodiments in the case where not departing from the utility model design, and the utility model
Range is determined by the scope of the appended claims.
Claims (10)
1. a kind of water intaking control circuit characterized by comprising
Controller, ranging sensing circuit, driving circuit for electromagnetic valve and solenoid valve；
The signal output end of the ranging sensing circuit is electrically connected with the signal input part of the controller；
The driving control signal output end of the controller and the driving control signal input terminal electricity of the driving circuit for electromagnetic valve
Connection；
The driving signal output end of the driving circuit for electromagnetic valve is electrically connected with the control signal input of the solenoid valve, described
Driving circuit for electromagnetic valve is turned on or off for drive magnetic valve.
2. water intaking control circuit according to claim 1, which is characterized in that
The driving circuit for electromagnetic valve includes switch unit, relay and Transient Suppression Diode, the public touching of the relay
Point ground connection, normally opened contact and the first power electric connection, normally-closed contact are hanging；The first end of the coil of the relay and described the
One power electric connection；The first end of the Transient Suppression Diode is electrically connected with the normally opened contact, and the transient state inhibits two poles
The second end of pipe and first power electric connection；
The switch unit includes first end, second end and control terminal, and the of the first end of the switch unit and the coil
The electrical connection of two ends, the second end ground connection of the switch unit, the control terminal of the switch unit is as the solenoid-driven electricity
The driving control signal input terminal on road；
The power input of the solenoid valve and first power electric connection, the control signal input of the solenoid valve and institute
State normally opened contact electrical connection.
3. water intaking control circuit according to claim 2, which is characterized in that
The switch unit includes the first current-limiting resistance and the first triode；
The first end of first current-limiting resistance is electrically connected with the driving control signal output end of the controller, first limit
The second end of leakage resistance is electrically connected with the base stage of first triode, the emitter of first triode ground connection, and described the
The collector of one triode is electrically connected with the second end of the coil.
4. water intaking control circuit according to claim 2, which is characterized in that
The driving circuit for electromagnetic valve further includes first releasing diode, the described first anode and the coil for releasing diode
Second end electrical connection, the described first cathode for releasing diode is electrically connected with the first end of the coil.
5. water intaking control circuit according to claim 1, which is characterized in that
The ranging sensing circuit includes signal sending circuit and signal receiving circuit；
The control signal input of the signal sending circuit is electrically connected with the control signal output of the controller, the letter
Number transmitting line is used to emit ultrasonic wave and/or infrared ray according to the control of the controller；
The signal output end of the signal receiving circuit is electrically connected with the signal input part of the controller, can receive ultrasonic wave
And/or infrared ray, and be converted into electric signal and export to the controller.
6. water intaking control circuit according to claim 5, which is characterized in that
The signal sending circuit includes sender unit and the second triode；
The base stage of second triode is electrically connected with the control signal output of the controller, the hair of second triode
Emitter grounding, the collector of second triode are electrically connected with the transmission control signal input of the sender unit；Institute
The power input for stating sender unit is electrically connected with second source；
The sender unit includes ultrasonic transmitter or infrared transmitter.
7. water intaking control circuit according to claim 6, which is characterized in that
The signal sending circuit further includes second releasing diode, and described second releases the anode of diode and the signal is sent out
The control signal input of device is sent to be electrically connected, the described second cathode for releasing diode is electrically connected with the second source.
8. water intaking control circuit according to claim 6, which is characterized in that
The signal sending circuit further includes the second current-limiting resistance, first end and the controller of second current-limiting resistance
Control signal output electrical connection, the second end of second current-limiting resistance are electrically connected with the base stage of second triode.
9. water intaking control circuit according to claim 5, which is characterized in that
The signal receiving circuit includes signal receiver and pull-up resistor；
The first end of the signal receiver is grounded, the signal input part of the second end of the signal receiver and the controller
Electrical connection；The second end of the signal receiver is electrically connected second source by the pull-up resistor；
The signal receiver includes ultrasonic receiver or infrared remote receiver.
10. a kind of water fetching device, which is characterized in that based on water intaking control circuit described in claim 1-9, comprising:
Water outlet, the water outlet install solenoid valve, and the solenoid valve opens the water outlet water outlet of the water fetching device, described
Solenoid valve is closed, and the water outlet of the water fetching device is not discharged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570825.7U CN209070320U (en) | 2018-09-26 | 2018-09-26 | Control circuit of fetching water and water fetching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821570825.7U CN209070320U (en) | 2018-09-26 | 2018-09-26 | Control circuit of fetching water and water fetching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209070320U true CN209070320U (en) | 2019-07-05 |
Family
ID=67093278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821570825.7U Expired - Fee Related CN209070320U (en) | 2018-09-26 | 2018-09-26 | Control circuit of fetching water and water fetching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209070320U (en) |
-
2018
- 2018-09-26 CN CN201821570825.7U patent/CN209070320U/en not_active Expired - Fee Related
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190705 |