CN207718233U - Automatic water level control circuit - Google Patents
Automatic water level control circuit Download PDFInfo
- Publication number
- CN207718233U CN207718233U CN201721734700.9U CN201721734700U CN207718233U CN 207718233 U CN207718233 U CN 207718233U CN 201721734700 U CN201721734700 U CN 201721734700U CN 207718233 U CN207718233 U CN 207718233U
- Authority
- CN
- China
- Prior art keywords
- probe
- connect
- water level
- relay
- level control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000000523 sample Substances 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Control Of Non-Electrical Variables (AREA)
- Control Of Non-Positive-Displacement Pumps (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a kind of Automatic water level control circuit, the first probe, the second probe, switching circuit, comparator circuit, controller, relay and water pump, the first probe is set to water tank bottom, and the second probe is set to the preset water level position of water tank；The output end of switching circuit is electrically connected with the first probe, second probe is electrically connected with the test side of comparator circuit, the output end of comparator circuit is electrically connected with the triggering end of controller, and the output end of controller is electrically connected with the controlled end of relay, and the control terminal of institute's relay and the switch of water pump connect.It by the first probe and the height of the second probe in detecting water level, and is detected by comparing device, microcontroller and relay carry out the open and close of control water pump, and then realize automatically controlling for water level.
Description
Technical field
The utility model is related to technical field of electromechanical control, more particularly to a kind of Automatic water level control circuit.
Background technology
In the equipment such as cistern, toilet tank, it is often necessary to control water level.Existing solution usually makes
With floating ball, the determination of water level is carried out by buoyancy, and then control the water inlet of water tank.But this floating-ball type is carried out by mechanical movement
Control, has the shortcomings that volume is larger, can not can be installed in smaller container.It is more serious to the pollution of water, water quality is wanted
It asks higher equipment to be unable to reach requirement, and controls not smart enough.
Utility model content
The technical problems to be solved in the utility model be how to provide it is a kind of it is small, control intelligence water level automatically control
Circuit.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of Automatic water level control circuit, the first probe, the second probe, switching circuit, comparator circuit, controller, after
Electric appliance and water pump, first probe are set to water tank bottom, and second probe is set to the preset water level position of water tank；Institute
The output end for stating switching circuit is electrically connected with first probe, the test side electricity of second probe and the comparator circuit
Connection, the output end of the comparator circuit are electrically connected with the triggering end of the controller, the output end of the controller and institute
The controlled end electrical connection of relay is stated, the control terminal of institute's relay is connect with the switch of the water pump.
Preferably：The switching circuit includes switching tube, first resistor, second resistance, switch and warning light；Described first
The first end of resistance is connect with power supply, and the second end of the first resistor is connect with the first end of the switch, the switch
Second end is connect with the first end of the warning light, and the second end of the warning light is connect with the controlled end of the switching tube, institute
The output end ground connection of switching tube is stated, the input terminal of the switch is connect with the first end of the second resistance, the second resistance
Second end connect with power supply, the second end of the second resistance is connect with second probe.
Preferably：The comparator circuit includes comparator, 3rd resistor and diode；First input of the comparator
End is connect with second probe, and the second input terminal of the comparator is connect with fixed voltage, the output end of the comparator
It is connect with the cathode of the diode, the anode of the diode is connect with the triggering end of the controller；The 3rd resistor
First end connect with power supply, the second end of institute's 3rd resistor is connect with the anode of a pole pipe.
Preferably：The controller is made of microcontroller and its peripheral circuit.
Preferably：The relay realized by electromagnetic relay, the control terminal of the electromagnetic relay and the water pump
Switch connection, to control the open and close of the water pump.
Preferably：First probe and second probe are realized using stainless steel material.
Preferably：The switching tube is realized by NPN type triode.
Preferably：The water outlet that draws water of the water pump connects with the water tank residing for first probe and second probe
It connects.
Using above-mentioned technical proposal, by the first probe, the second probe, switching circuit, comparator circuit, controller, relay
Device and water pump form a kind of Automatic water level control circuit, and by the way that the first probe is set to water tank bottom, the second probe is set
The preset water level in water tank is set, when water level reaches preset water level position, the first probe current reaches the second probe by water, than
Reach trigger voltage compared with device, sends trigger signal to controller, cut-off water pump is controlled by controller.The utility model
The small volume of circuit, circuit is simple, is suitable for smaller water tank, and smaller to the water pollution in water tank.
Description of the drawings
Fig. 1 is the schematic diagram of the utility model Automatic water level control circuit；
Fig. 2 is the circuit diagram of the utility model Automatic water level control circuit.
In figure, 100- switching circuits, 200- comparator circuits, 300- microcontrollers, 400- relays, 500- water pumps, Z1-
One probe, the second probes of Z2-, R1- first resistors, R2- second resistances, R3- 3rd resistors, Q- switching tubes, U- comparators, L- are carried
Show lamp, D- diodes.
Specific implementation mode
Specific embodiment of the present utility model is described further below in conjunction with the accompanying drawings.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
Referring to Fig.1, technical solutions of the utility model propose a kind of Automatic water level control circuit, the first probe Z1, second
Probe Z2, switching circuit 100, comparator circuit 200, controller, relay 400 and water pump 500, the first probe Z1 are set to water
Bottom portion, the second probe Z2 are set to the preset water level position of water tank；The output end of switching circuit 100 is electrically connected with the first probe Z1
It connects, the second probe Z2 is electrically connected with the test side of comparator circuit 200, the output end of comparator circuit 200 and touching for controller
Originator electrical connection, the output end of controller are electrically connected with the controlled end of relay 400, the control terminal and water pump of institute's relay 400
500 switch connection.
This water-level control circuit is by the first probe Z1, the second probe Z2, switching circuit 100, comparator circuit 200, control
Device, relay 400 and water pump 500, form a kind of Automatic water level control circuit, by the way that the first probe Z1 is set to water tank bottom
The preset water level in water tank is arranged in second probe Z2 by portion, and when water level reaches preset water level position, the first probe Z1 electric currents are logical
It crosses water and reaches the second probe Z2, comparator reaches trigger voltage, sends trigger signal to controller, relay is controlled by controller
Device 400 switches off the pump 500.The small volume of the utility model circuit, circuit is simple, is suitable for smaller water tank, and to water tank
Interior water pollution is smaller.
With reference to Fig. 2, specifically：Switching circuit 100 includes switching tube Q, first resistor R1, second resistance R2, switchs and carry
Show lamp L；The first end of first resistor R1 is connect with power supply, and the second end of first resistor R1 and the first end of switch connect, described
The second end of switch is connect with the first end of warning light L, and the second end of warning light L is connect with the controlled end of switching tube Q, switching tube
The output end of Q is grounded, and the input terminal of switch is connect with the first end of second resistance R2, and second end and the power supply of second resistance R2 connect
It connects, the second end of second resistance R2 is connect with the second probe Z2.
It should be noted that when the switch is closed, promotion lights, switching tube Q conductings, the status of the second probe Z2 is drawn
Low, the control function of circuit is closed.
Specifically：Comparator circuit 200 includes comparator U, 3rd resistor R3 and diode D；The first input of comparator U
End is connect with the first probe Z1, and the second input terminal of comparator U is connect with fixed voltage, output end and the diode D of comparator U
Cathode connection, the triggering end of the anode of diode D and controller connects；The first end of 3rd resistor R3 is connect with power supply, institute
The second end of 3rd resistor R3 is connect with the anode of diode D.
It should be noted that when the second probe Z2 current potentials reach preset value, comparator U sends a trigger signal to monolithic
Machine 300, microcontroller 300 send a signal to relay 400, switched off the pump by relay 400 500 switching tube Q, water pump 500
Stop drawing water in water tank.
When the water level descends, the second probe Z2 current potentials are relatively low, and comparator U no signals are sent out, and water pump 500 is taken out in water tank
Water.
Specifically：Controller is made of microcontroller 300 and its peripheral circuit.
Specifically：Relay 400 realized by electromagnetic relay 400, control terminal and the water pump 500 of electromagnetic relay 400
Switch connection, to control the open and close of water pump 500.
Specifically：First probe Z1 and the second probe Z2 are realized using stainless steel material.
It can be to avoid the corrosion of probe by stainless steel material.
Specifically：Switching tube Q is realized by NPN type triode.
Specifically：The water outlet that draws water of water pump 500 is connect with the water tank residing for the first probe Z1 and the second probe Z2.
The circuit of the utility model is switched by the monitoring function of switching tube Q circuit control water levels, passes through the first probe Z1
And second probe Z2 sensed water levels height, and be detected by comparing device U, microcontroller 300 and relay 400 are controlled
The open and close of water pump 500, and then realize automatically controlling for water level.
The embodiment of the utility model is explained in detail above in association with attached drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the scope of protection of the utility model.
Claims (8)
1. a kind of Automatic water level control circuit, it is characterised in that：First probe, the second probe, switching circuit, comparator circuit,
Controller, relay and water pump, first probe are set to water tank bottom, and second probe is set to the default water of water tank
Position position；The output end of the switching circuit is electrically connected with first probe, second probe and the comparator circuit
Test side electrical connection, the output end of the comparator circuit is electrically connected with the triggering end of the controller, the controller
Output end is electrically connected with the controlled end of the relay, and the control terminal of institute's relay is connect with the switch of the water pump.
2. Automatic water level control circuit according to claim 1, it is characterised in that：The switching circuit include switching tube,
First resistor, second resistance, switch and warning light；The first end of the first resistor is connect with power supply, the first resistor
Second end is connect with the first end of the switch, and the second end of the switch is connect with the first end of the warning light, described to carry
Show that the second end of lamp is connect with the controlled end of the switching tube, the output end ground connection of the switching tube, the input terminal of the switch
It being connect with the first end of the second resistance, the second end of the second resistance is connect with power supply, and the second of the second resistance
End is connect with second probe.
3. Automatic water level control circuit according to claim 2, it is characterised in that：The comparator circuit includes comparing
Device, 3rd resistor and diode；The first input end of the comparator is connect with first probe, and the second of the comparator
Input terminal is connect with fixed voltage, and the output end of the comparator is connect with the cathode of the diode, the sun of the diode
Pole is connect with the triggering end of the controller；The first end of the 3rd resistor is connect with power supply, the second end of institute's 3rd resistor
It is connect with the anode of the diode.
4. Automatic water level control circuit according to claim 1, it is characterised in that：The controller is by microcontroller and its outside
Enclose circuit composition.
5. Automatic water level control circuit according to claim 1, it is characterised in that：The relay passes through electromagnetic relay
It realizes, the control terminal of the electromagnetic relay is connect with the switch of the water pump, to control the open and close of the water pump.
6. Automatic water level control circuit according to claim 1, it is characterised in that：First probe and second spy
Needle is realized using stainless steel material.
7. Automatic water level control circuit according to claim 2, it is characterised in that：The switching tube passes through three pole of NPN type
Pipe is realized.
8. Automatic water level control circuit according to claim 1, it is characterised in that：Draw water water outlet and the institute of the water pump
State the water tank connection residing for the first probe and second probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734700.9U CN207718233U (en) | 2017-12-13 | 2017-12-13 | Automatic water level control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721734700.9U CN207718233U (en) | 2017-12-13 | 2017-12-13 | Automatic water level control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207718233U true CN207718233U (en) | 2018-08-10 |
Family
ID=63055648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721734700.9U Expired - Fee Related CN207718233U (en) | 2017-12-13 | 2017-12-13 | Automatic water level control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207718233U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110063655A (en) * | 2019-06-04 | 2019-07-30 | 马根昌 | Automatically control the water dispenser of water yield |
-
2017
- 2017-12-13 CN CN201721734700.9U patent/CN207718233U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110063655A (en) * | 2019-06-04 | 2019-07-30 | 马根昌 | Automatically control the water dispenser of water yield |
| CN110063655B (en) * | 2019-06-04 | 2022-10-18 | 福建泉州台商投资区莉沓科技有限公司 | Water dispenser capable of automatically controlling water yield |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20201213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |