CN206329476U - Water pump controller - Google Patents
Water pump controller Download PDFInfo
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- CN206329476U CN206329476U CN201621403268.0U CN201621403268U CN206329476U CN 206329476 U CN206329476 U CN 206329476U CN 201621403268 U CN201621403268 U CN 201621403268U CN 206329476 U CN206329476 U CN 206329476U
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Abstract
The utility model discloses a kind of water pump controller, including power circuit, outputting circuit for relay, control circuit, pressure detection switch and flow measuring valve；Also include start and stop protection circuit, start and stop protection circuit includes pulse generation circuit, timer, counter and on-off circuit.Water pump controller disclosed in the utility model, with above-mentioned start and stop protection circuit, can automatic detection water pump whether frequent starting, and take corresponding prevent and prompting measure；Therefore, the water pump with controller noted above, certain protection is served to motor, prevents that it from working long hours in current state, and then extends its service life.
Description
Technical field
The utility model is related to pump technology field, more specifically, it relates to a kind of water pump controller.
Background technology
Water pump controller is that, according to detected water source state, the data such as pipeline-used water amount and pipeline pressure change go to open
Dynamic and stopping water pump.Notification number is CN204175570U Chinese patent, discloses a kind of Simple water pump controller, including power supply
Unit, with the first terminals, to access 220V alternating currents, and exports the first direct current, the second output in its first output end
The second direct current of end output；And second terminals, second terminals are coupled to first terminals, for grafting water pump
Power line；Detection unit, with a pressure detection switch and a flow measuring valve, according to the pressure detection switch and should
The action of flow measuring valve exports a control signal；Switch element, with first input end.Second input and output
End, its first input end is coupled to the control signal, and the second input is coupled to the second output end of the power subsystem, output end
It is coupled to second terminals.With multiple functional, simple and reasonable, reliability it is high and with low cost the characteristics of.However,
In actual use, flow measuring valve and pressure detection switch are possible to damage or failure, cause water pump frequent starting, make water
The motor of pump is in the state of high current for a long time, the failure such as easily burns, and then influence its service life.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of water pump controller, with anti-
The only function of frequent starting, and then ensure the service life of water pump.
To achieve the above object, the utility model provides following technical scheme：
A kind of water pump controller, including power circuit, outputting circuit for relay, control circuit, pressure detection switch and
Flow measuring valve；Also include start and stop protection circuit, the start and stop protection circuit includes：
Pulse generation circuit, its input is coupled to the output end of outputting circuit for relay, for detecting relay
When output circuit starts, corresponding pulse signal is exported；
Timer, for exporting timing signal according to the predetermined cycle in start；
Counter, with triggering end and reset terminal；Its triggering end is coupled to the output end of pulse generation circuit, for receiving
And counted once in response to the pulse signal, and export corresponding count signal after the full preset count of meter；Its reset terminal coupling
The output end of timer is connected to, is resetted with receiving and responding to the timing signal；
On-off circuit, control circuit is coupled to the gate-controlled switch between outputting circuit for relay with one, described
The input of on-off circuit is coupled to the output end of counter, and to receive and respond to, count signal control is described controllable to open
Shut-off is opened.
Pass through above technical scheme：The power input of water pump is connected with outputting circuit for relay, and control circuit passes through control
The on/off of outputting circuit for relay processed, to control the start and stop of water pump；Therefore, whenever starting mode of pump once, pulse generation circuit is equal
It is able to detect that outputting circuit for relay has output current, and then generates corresponding pulse signal；The pulse signal is input to meter
The triggering end of number device, counts once counter；At the same time, in start, timer exports corresponding according to the predetermined cycle
Timing signal to counter, make counter resets；Therefore, during the defeated timing of timer, if counter counts are full predetermined
Number of times, then it represents that water pump frequent starting within the period, this hour counter exports count signal, on-off circuit to on-off circuit
Receive after count signal, gate-controlled switch is cut off immediately, thus, making outputting circuit for relay can not be controlled by control circuit and open
It is dynamic.
Preferably, the outputting circuit for relay includes first resistor, second resistance, the first triode, the first relay
And first diode；One end of the first resistor is coupled to control circuit, and the other end is coupled to the base stage of the first triode；
The grounded emitter of first triode, after colelctor electrode is connected with the coil of the first relay, is coupled to VCC voltages；It is described
One end of second resistance is coupled to the base stage of the first triode, other end ground connection.
Pass through above technical scheme：The control signal of control circuit output high level makes to the base stage of the first triode
One triode ON, and then make it that the coil of the first relay obtains electric, the coil of the first relay obtain it is electric after, its contact switch is closed
Close so that the water pump connected with contact switch is powered and started.
Preferably, the pulse generation circuit includes 3rd resistor, photo-coupler, the second triode and the 4th resistance；
One of input of the photo-coupler is coupled to the output end of outputting circuit for relay, another input end grounding, institute
The one of output end for stating photo-coupler is coupled to the base stage of the second triode, another output head grounding；The 3rd resistor
One end be coupled to the base stage of the second triode, the other end is coupled to VCC voltages；The grounded emitter of second triode,
Colelctor electrode is coupled to VCC voltages by the 4th resistance.
Pass through above technical scheme：When outputting circuit for relay starts, photo-coupler has input signal so that the two or three
The base earth of pole pipe and disconnect, its current collection extremely low potential；When outputting circuit for relay is closed, photo-coupler is believed without input
Number, the second triode ON, its current collection extremely high potential；Therefore, the high low potential on the colelctor electrode of the second triode is then represented
Whether outputting circuit for relay has whether output, i.e. water pump start.
Preferably, the on-off circuit includes the 5th resistance, the 6th resistance, the 3rd triode and the 4th triode；Institute
The one end for stating five resistance is coupled to the output end of counter with count pick up signal, and the other end is coupled to the base of the 3rd triode
Pole；The grounded emitter of 3rd triode, colelctor electrode is coupled to VCC voltages by the 6th resistance；4th triode
Base stage be coupled to the colelctor electrode of the 3rd triode, collector and emitter is respectively coupled to the output end and relay of control circuit
The input of device output circuit.
Pass through above technical scheme：The base stage of 3rd triode is received after the count signal of high level, conducting so that the
Four triodes are turned off；4th triode is above-mentioned gate-controlled switch.
Preferably, the timer and counter use chip microcontroller.
Pass through above technical scheme：Using chip microcontroller timing and count, it is simple and convenient, and can arbitrarily change timing and
The desired value of counting.
Preferably, the start and stop protection circuit also includes cue circuit, and the cue circuit includes the 7th resistance, the five or three
Pole pipe and buzzer；One end of 7th resistance is coupled to the output end of counting circuit with count pick up signal, the other end
It is coupled to the base stage of the 5th triode；The grounded emitter of 5th triode, colelctor electrode is coupled to the negative pole of buzzer；The honeybee
The positive pole of ring device is coupled to VCC voltages.
Pass through above technical scheme：The base stage of 5th triode is turned on after receiving the count signal of high level so that honeybee
Ring device is powered and sends prompt tone.
Brief description of the drawings
Fig. 1 is the circuit diagram of water pump controller in embodiment；
Fig. 2 is the circuit diagram of embodiment repeat circuit output circuit；
Fig. 3 is the circuit diagram of pulse generation circuit in embodiment；
Fig. 4 is the circuit diagram of on-off circuit in embodiment；
Fig. 5 is the circuit diagram of cue circuit in embodiment.
Reference：100th, outputting circuit for relay；200th, start and stop protection circuit；210th, pulse generation circuit；220th, open
Powered-down road；230th, cue circuit.
Embodiment
With reference to embodiment and accompanying drawing, the utility model is described in further detail, but reality of the present utility model
The mode of applying is not limited only to this.
Reference picture 1, a kind of water pump controller, including power circuit, outputting circuit for relay 100, control circuit, pressure inspection
Slowdown monitoring switch, flow measuring valve and start and stop protection circuit 200.Wherein, the power circuit have input, the first output end and
Second output end, the first input end is used to access 220V alternating currents, the first output end output 220V alternating currents, for water pump
Power supply, second output electricity output VCC voltages, for outputting circuit for relay 100, control circuit, pressure detection switch, flow
Detection switch and start and stop protection circuit 200 are powered.
Reference picture 1, Fig. 2, outputting circuit for relay 100 include first resistor R1, second resistance R2, the first triode Q1,
First relay K1 and the first diode D1；First resistor R1 one end is coupled to control circuit, and the other end is coupled to first
Triode Q1 base stage；First triode Q1 grounded emitter, after colelctor electrode is connected with the first relay K1 coil, coupling
In VCC voltages；Second resistance R2 one end is coupled to the first triode Q1 base stage, other end ground connection.The power input of water pump
End is coupled to the first relay K1 contact switch.
Reference picture 1, Fig. 3, the start and stop protection circuit 200 include pulse generation circuit 210, timer, counter and opened
Powered-down road 220.Wherein, pulse generation circuit 210 includes 3rd resistor R3, photo-coupler U1, the second triode Q2 and the 4th
Resistance R4；Photo-coupler U1 one of input is coupled to relay K1 contact switch, another input end grounding, light
Coupler U1 one of output end is coupled to the second triode Q2 base stage, another output head grounding；3rd resistor R3's
One end is coupled to the second triode Q2 base stage, and the other end is coupled to VCC voltages；Second triode Q2 grounded emitter, collection
Electrode is coupled to VCC voltages by the 4th resistance R4.Therefore, when relay K1 contact switch closure, photo-coupler U1 has
Input signal so that the second triode Q2 base earth and disconnect, its current collection extremely low potential；When relay K1 contact is opened
When shut-off is opened, photo-coupler U1 is without input signal, the second triode Q2 conductings, its current collection extremely high potential；Therefore, the two or three pole
High low potential formation pulse signal Vq on pipe Q2 colelctor electrode.
Timer and counter use chip microcontroller, and its principle is prior art, and the present embodiment is repeated no more.Regularly
Device is used to export timing signal Vd according to the predetermined cycle in start, and counter has triggering end and reset terminal；Its triggering end
The output end of pulse generation circuit 210 is coupled to, is counted once for receiving and responding to pulse signal Vq, and it is full predetermined in meter
Corresponding count signal Vj is exported after counting；Its reset terminal is coupled to the output end of timer, is believed with receiving and responding to timing
Number Vd resets.
Reference picture 4, on-off circuit 220 includes the 5th resistance R5, the 6th resistance R6, the 3rd triode Q3 and the four or three pole
Pipe Q3；One end of five resistance is coupled to the output end of counter with count pick up signal, and the other end is coupled to the 3rd triode Q3
Base stage；3rd triode Q3 grounded emitter, colelctor electrode is coupled to VCC voltages by the 6th resistance R6；4th triode
Q3 base stage is coupled to the 3rd triode Q3 colelctor electrode, collector and emitter be respectively coupled to control circuit output end and
The input of outputting circuit for relay 100.
Reference picture 5, start and stop protection circuit 200 also includes cue circuit 230, and cue circuit 230 includes the 7th resistance R7, the
Five triode Q3 and buzzer；7th resistance R7 one end is coupled to the output end of counting circuit with count pick up signal, separately
One end is coupled to the 5th triode Q3 base stage；5th triode Q3 grounded emitter, colelctor electrode is coupled to the negative of buzzer
Pole；The positive pole of buzzer is coupled to VCC voltages.Therefore, the 5th triode Q5 base stage receives the count signal Vj of high level
After turn on so that buzzer B1 be powered and send prompt tone.
Claims (6)
1. a kind of water pump controller, including power circuit, outputting circuit for relay, control circuit, pressure detection switch and stream
Measure detection switch；It is characterized in that, also including start and stop protection circuit, the start and stop protection circuit includes：
Pulse generation circuit, its input is coupled to the output end of outputting circuit for relay, for detecting relay output
During circuit start, corresponding pulse signal is exported；
Timer, for exporting timing signal according to the predetermined cycle in start；
Counter, with triggering end and reset terminal；Its triggering end is coupled to the output end of pulse generation circuit, for receiving and ringing
Pulse signal is counted once described in Ying Yu, and exports corresponding count signal after the full preset count of meter；Its reset terminal is coupled to
The output end of timer, is resetted with receiving and responding to the timing signal；
On-off circuit, control circuit is coupled to the gate-controlled switch between outputting circuit for relay, the switch with one
The input of circuit is coupled to the output end of counter and controls the gate-controlled switch to break to receive and respond to the count signal
Open.
2. water pump controller according to claim 1, it is characterized in that, the outputting circuit for relay include first resistor,
Second resistance, the first triode, the first relay and the first diode；One end of the first resistor is coupled to control electricity
Road, the other end is coupled to the base stage of the first triode；The grounded emitter of first triode, colelctor electrode and the first relay
Coil series connection after, be coupled to VCC voltages；One end of the second resistance is coupled to the base stage of the first triode, another termination
Ground.
3. water pump controller according to claim 1, it is characterized in that, the pulse generation circuit includes 3rd resistor, light
Coupler, the second triode and the 4th resistance；One of input of the photo-coupler is coupled to relay output electricity
The output end on road, another input end grounding, one of output end of the photo-coupler is coupled to the base of the second triode
Pole, another output head grounding；One end of the 3rd resistor is coupled to the base stage of the second triode, and the other end is coupled to VCC electricity
Pressure；The grounded emitter of second triode, colelctor electrode is coupled to VCC voltages by the 4th resistance.
4. water pump controller according to claim 1, it is characterized in that, the on-off circuit includes the 5th resistance, the 6th electricity
Resistance, the 3rd triode and the 4th triode；The output end that one end of five resistance is coupled to counter is believed with count pick up
Number, the other end is coupled to the base stage of the 3rd triode；The grounded emitter of 3rd triode, colelctor electrode passes through the 6th resistance
It is coupled to VCC voltages；The base stage of 4th triode is coupled to the colelctor electrode of the 3rd triode, collector and emitter difference
It is coupled to the output end of control circuit and the input of outputting circuit for relay.
5. water pump controller according to claim 1, it is characterized in that, the timer and counter are real using single-chip microcomputer
It is existing.
6. water pump controller according to claim 1, it is characterized in that, the start and stop protection circuit also includes cue circuit,
The cue circuit includes the 7th resistance, the 5th triode and buzzer；One end of 7th resistance is coupled to counting electricity
The output end on road is with count pick up signal, and the other end is coupled to the base stage of the 5th triode；The grounded emitter of 5th triode,
Colelctor electrode is coupled to the negative pole of buzzer；The positive pole of the buzzer is coupled to VCC voltages.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403268.0U CN206329476U (en) | 2016-12-20 | 2016-12-20 | Water pump controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621403268.0U CN206329476U (en) | 2016-12-20 | 2016-12-20 | Water pump controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206329476U true CN206329476U (en) | 2017-07-14 |
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ID=59290249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621403268.0U Active CN206329476U (en) | 2016-12-20 | 2016-12-20 | Water pump controller |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144128A (en) * | 2017-06-16 | 2019-01-04 | 佛山市顺德区美的电热电器制造有限公司 | Method for heating and controlling and system, electric heating utensil and storage medium |
| CN109901477A (en) * | 2019-03-29 | 2019-06-18 | 宁波三星医疗电气股份有限公司 | A kind of automatic switching on circuit system applied to industrial installation device for testing |
| CN110554233A (en) * | 2019-10-12 | 2019-12-10 | 深圳市欧瑞博科技有限公司 | fault current detection device and method applied to intelligent switch |
| CN113922336A (en) * | 2021-09-10 | 2022-01-11 | 青岛海信日立空调系统有限公司 | Frequency converter protection device, frequency converter and air conditioner |
-
2016
- 2016-12-20 CN CN201621403268.0U patent/CN206329476U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144128A (en) * | 2017-06-16 | 2019-01-04 | 佛山市顺德区美的电热电器制造有限公司 | Method for heating and controlling and system, electric heating utensil and storage medium |
| CN109901477A (en) * | 2019-03-29 | 2019-06-18 | 宁波三星医疗电气股份有限公司 | A kind of automatic switching on circuit system applied to industrial installation device for testing |
| CN109901477B (en) * | 2019-03-29 | 2024-01-30 | 宁波三星医疗电气股份有限公司 | Be applied to automatic switching on and off circuit system of test fixture equipment |
| CN110554233A (en) * | 2019-10-12 | 2019-12-10 | 深圳市欧瑞博科技有限公司 | fault current detection device and method applied to intelligent switch |
| CN113922336A (en) * | 2021-09-10 | 2022-01-11 | 青岛海信日立空调系统有限公司 | Frequency converter protection device, frequency converter and air conditioner |
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