CN201804275U - Full-automatic water level controller - Google Patents
Full-automatic water level controller Download PDFInfo
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- CN201804275U CN201804275U CN2010205627882U CN201020562788U CN201804275U CN 201804275 U CN201804275 U CN 201804275U CN 2010205627882 U CN2010205627882 U CN 2010205627882U CN 201020562788 U CN201020562788 U CN 201020562788U CN 201804275 U CN201804275 U CN 201804275U
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- 238000003466 welding Methods 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 238000005086 pumping Methods 0.000 description 6
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- 230000015572 biosynthetic process Effects 0.000 description 3
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- 239000007858 starting material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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- Control Of Non-Electrical Variables (AREA)
Abstract
A full-automatic water level controller is composed of a system power supply, a water tower water tank high-and-low water level detecting control circuit, a water source low water level detecting circuit, a final control relay, a water pump and an indicating lamp. The system power supply supplies power which is rectified and filtered after being transformed by a transformer to a water level detecting control actuating circuit to work. The full-automatic water level controller utilizes conductivity of water to detect water level and control the water level of a water tower water tank to range between a high detecting point and a low detecting point. When the water level of the water tower water tank is lower than the low water level detecting point, a motor is started to pump water. When the water level rises to the high water level detecting point or a water source is pumped out, the water pump is turned off. The full-automatic water level controller can overcome the defect that the motor is damaged by burnt contacts as the relay is on and off intermittently caused by fluctuation of water surface of the water level. The full-automatic water level controller has a simple and reliable circuit with high sensitivity, and is convenient and practical and easy to popularize.
Description
Technical field:
The utility model relates to field of electric control, and a kind of water level controller of water-tower water tank well 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 such as well water of finding time that draws water, make motor idle running expense electricity even burn out pumping motor.2. the dress that has auto-watering devices such as float-ball type can save water automatically, water-level control apparatus, often stuck out of control, the water tank water surface fluctuates during actual the use, the contact switch-on and-off, the frequent adhesive of contactor discharges, and burns out motor, burns out relay-contactor etc.3. existing pumping controller is the circuit complexity mostly, the cost height, and 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, the water level of control water-tower water tank is between the height check point, when being lower than the low-water level check point, starter motor draws water, water level rises when reaching the high water stage check point, or when finding time the water source, turn-offs water pumper.
The utility model is achieved through the following technical solutions:
A kind of full-automatic water level controller is characterized in that, by system power supply, and water-tower water tank height water level detecting and controlling circuit, water source low-water level testing circuit is carried out 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.
Water source low-water level such as well water detect and control circuit connects: water source low-water level termination detection line XA is to the negative pole of power supply, another water source low-water level termination detection line YS, one the tunnel connects power cathode through buffer capacitor C3, and another road is through the base stage of resistance R 3 water receiving source low-water level detection transistor Q3; The water source low-water level detects the base stage that controls triode Q3 connects power supply through resistance R 4 positive pole, the water source low-water level detects the emitter of controlling triode Q3 connects power supply through resistance R 1 positive pole, the water source low-water level detects the G point in the collector connection circuit of controlling triode Q3, be the base stage of relay control triode Q1, buffer capacitor C1 is connected between the base stage and emitter of relay control triode Q1; The collector of relay control triode Q1, through the positive pole of the former end-coil J1 of relay welding system power supply, the emitter of relay control triode Q1 connects power cathode, and the normally opened contact JK1 of relay J is serially connected on the water pumper loop.
Water-tower water tank height water level detecting and controlling circuit connects: three water level detecting probes all are suspended from the water-tower water tank from the water-tower water tank lid end, wherein a water level detecting line is linked water-tower water tank high water stage test side H point from the positive pole of system power supply, the collector of relay control triode Q1 connects a water level detecting line to water-tower water tank base 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 Level Control of Water Towers triode Q2, the emitter of Level Control of Water Towers triode Q2 connects power cathode, the base stage of the collector connecting relay control triode Q1 of Level Control of Water Towers triode Q2.
The circuit working process is:
System power supply is by the power supply of transformer transformation rectifying and wave-filtering, and light emitting diode D6 makes standby indicating lamp.D7 connects pilot lamp for output.
When the water level at water source was lower than water level detecting XY point, water level detected between the XY point and does not form path, and water level detecting triode Q3 ends.Relay control triode Q1 ends.When having only the water level at water source to surpass water level detecting X point Y point, because the electric conductivity of water forms path, the base stage of water level detection transistor Q3 obtains turn-on bias voltage, water level detection transistor Q3 conducting, the G point has had high level in the circuit, i.e. the base stage of relay control triode Q1 has had turn-on bias voltage.When the water level of water-tower water tank is lower than water level detecting Z point, do not form path between the water-tower water tank water level detecting point, water-tower water tank water level detecting triode Q2 ends, then relay control triode Q1 conducting, the relay adhesive, water pumper begins to draw water.When finding time the water source, water level control triode Q3 base potential is ended because of losing forward voltage Q3 in the buffering time-delay back of capacitor C 3, and the elimination water source 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.
Because relay control triode Q1 conducting; its current collection is electronegative potential very, and promptly the E point is an electronegative potential, when pumping level is increased to low-water level check point Z point; the E point; there is not electric current to pass through between the Z point; the base stage of water tower level detection transistor Q2 is an electronegative potential, and water tower level detection transistor Q2 still ends, when pumping 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 positive pole of power supply, line AH after testing; high water stage detects the H point; the H point; Z point water resistance, low-water level test side Z point, detection line; again through resistance R 2; make the base stage of water tower level detection transistor Q2 obtain turn-on bias voltage, triode Q2 conducting, making the base stage of relay control triode Q1 is electronegative potential; triode Q1 ends; relay discharges, and output disconnects, and water pumper is shut down.
In water utilizing process, the water-tower water tank decline of water table, when being lower than the H point, power supply loses the path of the resistance formation of water between E, the H point; Q1 ends because of triode; the collector potential of triode Q1 is near supply voltage, and promptly the E point is a high level, between E point, the Z point; because the electric conductivity of water forms path; the base stage of water-tower water tank water level detecting triode Q2 obtains turn-on bias voltage, triode Q2 conducting, and making the base stage of relay control triode Q1 is electronegative potential; triode Q1 still ends; be the effect that the E current potential of ordering substitutes the H point source, relay is failure to actuate, and water pumper is in stopped status.Even fluctuating, the water surface of water-tower water tank ripples, the resistance switch-on and-off of the water that formation Z point H is ordered, because the E point substitutes the effect that H is ordered, 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.
Water level continues to descend, have only when water level is lower than low-water level check point Z, lose E, the path that the resistance of water forms between the Z point, water level control triode Q2 base potential is ended because of losing forward voltage Q2 in capacitor C 2 time-delay backs, detect through water source low-water level testing circuit, when having only the water level at water source to surpass water level detecting X point Y point, the conducting of water level detection transistor Q3, when water tower level detection transistor Q2 ended, the G point had had high level in the circuit again, i.e. the base stage of relay control triode Q1 has had turn-on bias voltage, triode Q1 base potential is promoted, triode Q1 conducting, because the Q1 conducting, the collector of Q1 becomes electronegative potential, motor draws water, water level rises, and the E point becomes zero potential again, and triode Q2 is remain off still.Even fluctuating, the water surface of water-tower water tank ripples; the resistance switch-on and-off of the water that formation E point Z is ordered, triode Q2 remain off rises 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 electronegative potential; triode Q1 ends; relay discharges, and output disconnects, and water pumper is shut down.
Q1 is a relay on-off control triode, and Q2 is the water tower level detection transistor, and 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.
Q3 is the water level detection transistor, under the situation of not considering water level, but short circuit AS point.
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, and 3. water tower level detects, and 4. 5. control carry out relay, 6. 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 Q1-2 is a NPN type triode, and Q3 is the positive-negative-positive triode, and C1-4 is an electrochemical capacitor, and R1-6 is a resistance, and J1 is a relay, and M is a water pumper.
Embodiment:
A kind of full-automatic water level controller, as shown in Figure 2: by system power supply, water-tower water tank water level detecting and controlling circuit, water source low-water level testing circuit is carried out relay, water pumper, pilot lamp is formed.
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.Light emitting diode D6 is the Opportunity awaiting control for linear pilot lamp.D7 connects pilot lamp for output.Output termination pumping motor.
Triode Q1 chooses power tube C2383, is relay on-off control triode, and Q2 is that NPN type triode can be used C945; Q2 is that water tower level detects the control triode, and Q3 is that water level detects the control triode, and Q3 can use C9015 for the positive-negative-positive triode.
The stainless steel outer sleeve plastic tube is used in the protection of water level detecting line cover PVC spool, or the plastic cement copper cash, pops one's head in, and determines that probe stretches into the position, hangs the location.To water level detecting AX, the SY line at water source, stretch into the low-water level place at water source, under the situation at the water source of can not finding time, but short circuit AS point.
The Z point is a water-tower water tank low-water level check point, and slightly higher than the E point, the H point is the high water stage check point.
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.
When having only the water level at water source such as well water to be higher than water level detecting XY point, the power supply that power supply provides through water source low-water level testing circuit, again when water tower level detection transistor Q2 by the time, G point current potential promotes, just can make the Q1 conducting, relay adhesive, the water pumper M work of switching on.
The full-automatic water level controller, highly sensitive, simple and reliable, convenient and practical, the easy popularization of circuit.
Claims (1)
1. a full-automatic water level controller is characterized in that, by system power supply, and water-tower water tank height water level detecting and controlling circuit, water source low-water level testing circuit is carried out 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; Water source low-water level termination detection line XA is to the negative pole of power supply, another water source low-water level termination detection line YS, and one the tunnel connects power cathode through buffer capacitor C3, and another road is through the base stage of resistance R 3 water receiving source low-water level detection transistor Q3; The water source low-water level detects the base stage that controls triode Q3 connects power supply through resistance R 4 positive pole, the water source low-water level detects the emitter of controlling triode Q3 connects power supply through resistance R 1 positive pole, the water source low-water level detects the G point in the collector connection circuit of controlling triode Q3, be the base stage of relay control triode Q1, buffer capacitor C1 is connected between the base stage and emitter of relay control triode Q1; The collector of relay control triode Q1, through the positive pole of the former end-coil J1 of relay welding system power supply, the emitter of relay control triode Q1 connects power cathode, and the normally opened contact JK1 of relay J is serially connected on the water pumper loop; Three water level detecting probes all are suspended from the water-tower water tank from the water-tower water tank lid end, wherein a water level detecting line is linked water-tower water tank high water stage test side H point from the positive pole of system power supply, the collector of relay control triode Q1 connects a water level detecting line to water-tower water tank base 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 Level Control of Water Towers triode Q2, the emitter of Level Control of Water Towers triode Q2 connects power cathode, the base stage of the collector connecting relay control triode Q1 of Level Control of Water Towers triode Q2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205627882U CN201804275U (en) | 2010-10-09 | 2010-10-09 | Full-automatic water level controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205627882U CN201804275U (en) | 2010-10-09 | 2010-10-09 | Full-automatic water level controller |
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| CN201804275U true CN201804275U (en) | 2011-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205627882U Expired - Fee Related CN201804275U (en) | 2010-10-09 | 2010-10-09 | Full-automatic water level controller |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495643A (en) * | 2011-12-05 | 2012-06-13 | 合肥美的荣事达电冰箱有限公司 | Liquid level controller for water tank and ice making device |
| CN102759930A (en) * | 2012-08-06 | 2012-10-31 | 孙效 | Level control device |
| CN104536471A (en) * | 2014-11-28 | 2015-04-22 | 衢州市煜鑫农产品加工技术开发有限公司 | Water level control circuit for joint water source and water tank control |
| CN104597925A (en) * | 2015-02-05 | 2015-05-06 | 魏春华 | Economic automatic water supply control circuit |
| CN109885108A (en) * | 2019-03-07 | 2019-06-14 | 河北工业职业技术学院 | Water level control circuit and water storage system |
-
2010
- 2010-10-09 CN CN2010205627882U patent/CN201804275U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102495643A (en) * | 2011-12-05 | 2012-06-13 | 合肥美的荣事达电冰箱有限公司 | Liquid level controller for water tank and ice making device |
| CN102495643B (en) * | 2011-12-05 | 2014-12-17 | 合肥美的电冰箱有限公司 | Liquid level controller for water tank and ice making device |
| CN102759930A (en) * | 2012-08-06 | 2012-10-31 | 孙效 | Level control device |
| CN102759930B (en) * | 2012-08-06 | 2015-02-18 | 孙效 | Level control device |
| CN104536471A (en) * | 2014-11-28 | 2015-04-22 | 衢州市煜鑫农产品加工技术开发有限公司 | Water level control circuit for joint water source and water tank control |
| CN104536471B (en) * | 2014-11-28 | 2017-05-03 | 衢州市煜鑫农产品加工技术开发有限公司 | Water level control circuit for joint water source and water tank control |
| CN104597925A (en) * | 2015-02-05 | 2015-05-06 | 魏春华 | Economic automatic water supply control circuit |
| CN109885108A (en) * | 2019-03-07 | 2019-06-14 | 河北工业职业技术学院 | Water level control circuit and water storage system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110420 Termination date: 20111009 |