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CN201876737U - Drainage controller - Google Patents

Drainage controller Download PDF

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Publication number
CN201876737U
CN201876737U CN201020562920XU CN201020562920U CN201876737U CN 201876737 U CN201876737 U CN 201876737U CN 201020562920X U CN201020562920X U CN 201020562920XU CN 201020562920 U CN201020562920 U CN 201020562920U CN 201876737 U CN201876737 U CN 201876737U
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CN
China
Prior art keywords
water
water level
point
triode
relay
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Expired - Fee Related
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CN201020562920XU
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Chinese (zh)
Inventor
兰如根
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Individual
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Individual
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Priority to CN201020562920XU priority Critical patent/CN201876737U/en
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Publication of CN201876737U publication Critical patent/CN201876737U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

A drainage controller comprises a system power source, a water level probe, a detection control circuit, a relay, a water pump, and an indicator light. The system power source utilizes a transformer to transform, rectify, and filter power source, so as to detect the water level and control the work of an executive circuit. By utilizing the conductibility of water to detect water-level, and control the water-level to range from a high detection point to a low detection point, contact burn-out and motor damage caused by the frequent on and off of the relay due to water-level fluctuation is avoided because when the water-level reaches the high water level detection point, the water pump is start to drain; and when the water-level reaches the low water level detection point, the water pump is shut. In addition, the drainage controller has the advantages of simple and reliable circuit, high sensitivity, convenience and practicability in use, and easiness in popularization.

Description

Water discharge controller
Technical field:
The utility model relates to field of electric control, and the water level controller of a kind of water source draining is controlled the controller that motor draws water automatically.
Background technology:
1, people's electricity consumption is often forgotten shutoff and the expense electricity, as: water pump draws water, and often forgets to turn-off and the waste water power; Or the water source of finding time that draws water, make motor idle running expense electricity even burn out pumping motor.2, have mostly circuit complexity of pumping controller now, the cost height, it is difficult to safeguard, is not easy to promote.
Summary of the invention:
The utility model purpose, at the not enough present situation of existing pumping control circuit, provide a kind of circuit simple and reliable height water-level control apparatus, highly sensitive, utilize the electric conductivity of water, sensed water level, control water level is between the height check point, and water level rises when reaching the high water stage check point, starts the water pumper draining, when being lower than the low-water level check point, turn-off water pumper.
The utility model is achieved through the following technical solutions:
A kind of water discharge controller is characterized in that, by system power supply, and water-level probe and detection control circuit, relay, water pumper, pilot lamp is formed.
System power supply is by the power supply of transformer transformation rectifying and wave-filtering, for the work of water level detecting and controlling executive circuit.
Control circuit connects: three water level detecting probes are suspended from the place, water source, wherein water level detecting A line is linked water source end high water stage from the negative pole of system power supply and is detected the H point, the collector of relay control triode Q1 connects a water level detecting line to base, water source E point, the Z point is made the low-water level check point, slightly higher than the E point, low-water level detects the Z point behind the water level detecting line, one the tunnel meets buffer capacitor C2 to power cathode, one road series resistor R2 is to the base stage of water level control triode Q2, the emitter of water level control triode Q2 connects the positive pole of power supply through resistance R 1, the base stage of water level control triode Q2 connects the positive pole of power supply, the base stage of the collector connecting relay control triode Q1 of water level control triode Q2 through resistance R 3; The collector of relay control triode Q1, through the former end-coil J1 of relay, the positive pole of welding system power supply, the emitter of relay control triode Q1 connects power cathode, and buffer capacitor C1 is connected between the base stage and emitter of relay control triode Q1; The normally opened contact JK1 of relay J is serially connected on the water pumper loop.
The circuit working process is: system power supply is by the power supply of transformer transformation rectifying and wave-filtering, and during power connection, light emitting diode D6 makes standby indicating lamp.D7 connects pilot lamp for output.
When the water level at water source is lower than water level detecting Z point, do not form path between the water level detecting point, water level detecting triode Q2 ends.Relay control triode Q1 ends.When the water level at water source is increased to water level detecting Z point, because relay control triode Q1 ends, its current collection is noble potential very, be that the E point is a noble potential, the E point, there is not electric current to pass through between the Z point, water level detecting triode Q2 still ends, when water level is increased to high water stage check point H point, the H point, between the Z point, because the electric conductivity of water forms path, the base stage of water level detecting triode Q2 obtains turn-on bias voltage, triode Q2 conducting, making the base stage of relay control triode Q1 is noble potential, triode Q1 conducting, the relay adhesive, water pumper begins the draining of drawing water.
In drainage procedure, water level descends, and when being lower than the H point, power supply loses the path of the resistance formation of water between E, the H point; Because of triode Q1 conducting, the collector zero potential of triode Q1, promptly the E point is a zero potential, the E point substitutes the effect of H point negative pole zero potential, through water resistance, resistance R 2 makes the base stage of water level detecting triode Q2 obtain turn-on bias voltage, keep triode Q2 conducting, making the base stage of relay control triode Q1 is noble potential, the triode Q1 conducting that remains unchanged, relay adhesive, output is connected, and water pumper continues draining.
During draining; water level continues to descend; have only when water level is lower than low-water level check point Z; lose the path of the resistance formation of water between E, the Z point; through the time-delay of C2 certain hour, water level control triode Q2 base stage is ended because of losing forward voltage, and triode Q1 base stage is also ended because of losing forward voltage; triode Q1 ends, and water pumper is shut down.
When triode Q2 remain off, Q1 ends, and the E point is a high level, even the water surface at water source fluctuates ripple, E point Z point does not have electric current to pass through, triode Q2 remain off, rise to the H point until water level, between H point, the Z point, because the electric conductivity of water forms path, control triode Q2 conducting, making the base stage of relay control triode Q1 is high level, triode Q1 conducting, the relay adhesive starts the water pumper draining.
When the water level at the water source fluctuateed up and down and ripples, the resistance switch-on and-off of the water that formation Z point H is ordered because the E point substitutes the effect of H point negative pole zero level, kept the Q2 conducting, and Q1 stablizes conducting, the relay adhesive; The elimination water surface fluctuates up and down to ripple and causes the relay switch-on and-off to burn out the drawback that relay contact damages motor.
So move in circles, control water level is between H point and Z point.
Q1 is a relay control triode, and Q2 is the water level detecting and controlling triode.The current potential that E is ordered changes because of the conducting of triode Q1, becomes electronegative potential; When triode Q1 ended, its collector potential was near supply voltage, and promptly E point current potential becomes high level.
Beneficial effect: 1, can not cause the water level water level fluctuation to cause the relay switch-on and-off to burn out the drawback that relay contact damages motor.2, circuit is simple and reliable, and is highly sensitive, and control is drawn water automatically.
Description of drawings:
Fig. 1 is the utility model pie graph.
Fig. 2 is the utility model circuit diagram.
Among Fig. 2,1. system power supply, 2. water level detects, 3. control, 4. relay, 5. water pumper; Wherein: T1 is a transformer, and D1-5 is diode IN4007, and D6-7 is a light emitting diode, makes pilot lamp, and Q is a triode, and C1-3 is an electrochemical capacitor, and R1-5 is a resistance, and J1 is a relay, and M is a water pumper.
Embodiment:
A kind of water discharge controller is characterized in that, by system power supply, and water-level probe and detection control circuit, relay, water pumper, pilot lamp is formed.System power supply is by the power supply of transformer transformation rectifying and wave-filtering, for the work of water level detecting and controlling executive circuit.Power transformer selects for use withstand voltage height, matter measured, and power is not less than 4W, and secondary power 9 is to 12V; DC relay selects for use contact current big, perhaps expands stream with A.C. contactor again.
Use the stainless steel outer sleeve plastic tube, or plastic cement copper cash, make three probes, definite probe stretches into the position, hang the location, it is the high water stage check point to the H point that power cathode connects the A line, and the collector of relay control triode Q1 connects a water level detecting line to base, water source E point, the Z point is made the low-water level check point, and is slightly higher than the E point.
Triode Q1 chooses power tube C2383, is relay control triode, and Q2 is a water level detecting and controlling positive-negative-positive triode; Light emitting diode D6 is the Opportunity awaiting control for linear pilot lamp.D7 connects pilot lamp for output.Output termination pumping motor.The current potential that E is ordered changes because of the conducting of triode Q1, becomes electronegative potential; When triode Q1 ended, its collector potential was near supply voltage, and promptly E point current potential becomes high level.
In drainage procedure, water level descends, and when being lower than the H point, power supply loses the path of the resistance formation of water between E, the H point; Because of triode Q1 conducting, the collector zero potential of triode Q1, promptly the E point is a zero potential, the E point substitutes the effect of H point negative pole zero potential, through water resistance, resistance R 2 makes the base stage of water level detecting triode Q2 obtain turn-on bias voltage, keep triode Q2 conducting, making the base stage of relay control triode Q1 is noble potential, the triode Q1 conducting that remains unchanged, relay adhesive, output is connected, and water pumper continues draining.
During draining; water level continues to descend; have only when water level is lower than low-water level check point Z; lose the path of the resistance formation of water between E, the Z point; through the time-delay of C2 certain hour, water level control triode Q2 base stage is ended because of losing forward voltage, and triode Q1 base stage is also ended because of losing forward voltage; triode Q1 ends, and water pumper is shut down.
When triode Q2 remain off, Q1 ends, and the E point is a high level, even the water surface at water source fluctuates ripple, E point Z point does not have electric current to pass through, triode Q2 remain off, rise to the H point until water level, between H point, the Z point, because the electric conductivity of water forms path, control triode Q2 conducting, making the base stage of relay control triode Q1 is high level, triode Q1 conducting, the relay adhesive starts the water pumper draining.
When the water level at the water source fluctuateed up and down and ripples, the resistance switch-on and-off of the water that formation Z point H is ordered because the E point substitutes the effect of H point negative pole zero level, kept the Q2 conducting, and Q1 stablizes conducting, the relay adhesive; The elimination water surface fluctuates up and down to ripple and causes the relay switch-on and-off to burn out the drawback that relay contact damages motor.
At this moment, finish a water level control procedure of drawing water and discharging water, so move in circles, control water level is between H point and Z point.
A kind of water discharge controller can not cause the water level water level fluctuation to cause the relay switch-on and-off to burn out the drawback that relay contact damages motor.Circuit is simple and reliable, highly sensitive, convenient and practical, easy popularization.

Claims (1)

1. a water discharge controller is characterized in that, by system power supply, and water-level probe and detection control circuit, relay, water pumper, pilot lamp is formed; System power supply is by the power supply of transformer transformation rectifying and wave-filtering, for the work of water level detecting and controlling executive circuit; Three water level detecting probes are suspended from the place, water source, wherein water level detecting A line is linked water source end high water stage from the negative pole of system power supply and is detected the H point, the collector of relay control triode Q1 connects a water level detecting line to base, water source E point, the Z point is made the low-water level check point, slightly higher than the E point, low-water level detects the Z point behind the water level detecting line, one the tunnel meets buffer capacitor C2 to power cathode, one road series resistor R2 is to the base stage of water level control triode Q2, the emitter of water level control triode Q2 connects the positive pole of power supply through resistance R 1, the base stage that water level is controlled three triode Q2 connects the positive pole of power supply, the base stage of the collector connecting relay control triode Q1 of water level control triode Q2 through resistance R 3; The collector of relay control triode Q1, through the former end-coil J1 of relay, the positive pole of welding system power supply, the emitter of relay control triode Q1 connects power cathode, and buffer capacitor C1 is connected between the base stage and emitter of relay control triode Q1; The normally opened contact JK1 of relay J is serially connected on the water pumper loop.
CN201020562920XU 2010-10-09 2010-10-09 Drainage controller Expired - Fee Related CN201876737U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201020562920XU CN201876737U (en) 2010-10-09 2010-10-09 Drainage controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201020562920XU CN201876737U (en) 2010-10-09 2010-10-09 Drainage controller

Publications (1)

Publication Number Publication Date
CN201876737U true CN201876737U (en) 2011-06-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201020562920XU Expired - Fee Related CN201876737U (en) 2010-10-09 2010-10-09 Drainage controller

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CN (1) CN201876737U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102524019A (en) * 2012-03-23 2012-07-04 谭宇霄 Full-automatic filtering and drainage system for big tree transplantation
CN103084232A (en) * 2011-10-28 2013-05-08 奈斯莱博热电公司 Circulating Liquid Bath With Reservoir Dual Level Switch
CN108223402A (en) * 2018-01-02 2018-06-29 厦门芯阳科技股份有限公司 A kind of monitoring method of DC water pump

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103084232A (en) * 2011-10-28 2013-05-08 奈斯莱博热电公司 Circulating Liquid Bath With Reservoir Dual Level Switch
CN103084232B (en) * 2011-10-28 2016-11-23 奈斯莱博热电公司 There is the circulation liquid pool of twin containers liquid-level switch
US10532359B2 (en) 2011-10-28 2020-01-14 Thermo Neslab Llc Circulating liquid bath with dual reservoir level switch
CN102524019A (en) * 2012-03-23 2012-07-04 谭宇霄 Full-automatic filtering and drainage system for big tree transplantation
CN108223402A (en) * 2018-01-02 2018-06-29 厦门芯阳科技股份有限公司 A kind of monitoring method of DC water pump
CN108223402B (en) * 2018-01-02 2019-05-07 厦门芯阳科技股份有限公司 A kind of monitoring method of direct current water pump

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110622

Termination date: 20111009