CN201903790U - Water level controller - Google Patents
Water level controller Download PDFInfo
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- CN201903790U CN201903790U CN2010205978501U CN201020597850U CN201903790U CN 201903790 U CN201903790 U CN 201903790U CN 2010205978501 U CN2010205978501 U CN 2010205978501U CN 201020597850 U CN201020597850 U CN 201020597850U CN 201903790 U CN201903790 U CN 201903790U
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Abstract
The utility model relates to a water level controller which is characterized by comprising a system power, a water tower water tank water level probe detection circuit, a high-low water level detection identification control circuit, a water source low water level detection circuit, a final control relay, a pump and indicator lights. By utilizing the characteristics of a pressure-stabilizing tube, a water level identification circuit is designed, so that only two detection lines are needed between the high-low water level detection control circuit and a water tower water tank. By utilizing the conduction property of water, the water level is detected, and the water level of the water tower water tank is controlled between high-low detection points. When the water level is lower than a low water level detection point, a motor is started to pump water; and when the water level rises to a high water level detection point, or a water source is fully pumped, the pump is turned off. The water level controller disclosed by utility model can eliminate the defects that contacts are burnt out and the motor is damaged due to intermittent connection and disconnection of the relay caused by fluctuation of the water surface of the water level. The circuit is simple and reliable, has 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 stabilivolt characteristics design water level identification circuit, thereby height water level detecting and controlling circuit needs only two detection lines to water-tower water tank, 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 water level controller is characterized in that, by system power supply, and water-tower water tank water-level probe testing circuit and height water level detecting recognition control 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 XP is to the positive pole of power supply, behind another water source low-water level termination detection line YS, one the tunnel connects power cathode through buffer capacitor C4, and another road is through the base stage of resistance R 2 water receiving source low-water level detection transistor Q5; The positive pole of power supply, collector through resistance R 1 water receiving source low-water level detection transistor Q5, G point in the emitter connection circuit of water source low-water level detection transistor Q5, i.e. 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 positive pole of power supply through the former end-coil J1 of relay, is succeeded the collector of electrical equipment control triode Q1, and the emitter of relay control triode Q1 connects power cathode; The normally opened contact JK1 of relay J is serially connected on the water pumper loop; Collector at relay control triode Q1, the base stage of locking triode Q3 in succession through stabilivolt VD3, resistance R 3, G point in the collector connection circuit of chain triode Q3, and the collector of the emitter water receiving tower water tank low-water level detection transistor Q2 of chain triode Q3.
Water-tower water tank water-level probe testing circuit and height water level detecting identification circuit connect: three water level detecting probes all are suspended from the water-tower water tank from the water-tower water tank lid end, the water level detecting line is two of A, B, and wherein water level detecting A line is linked water-tower water tank base E point from the positive pole of system power supply; The Z point is the low-water level check point, slightly higher than the E point, the H point is the high water stage check point, the positive termination low-water level of stabilivolt VD1 detects Z probe upper end, its negative terminal connects high water stage and detects B line place, H probe upper end, high water stage detects the H point through water level detecting B line, one tunnel serial connection high water stage identification conducting stabilivolt VD2, resistance R 5 is connected to the base stage that the water-tower water tank high water stage cuts off control triode Q4, buffer capacitor C3 is connected to high water stage and cuts off between the base stage and emitter of control triode Q4, the emitter that high water stage cuts off control triode Q4 connects power cathode, and high water stage cuts off the G point in the collector connection circuit of controlling triode Q4; After another road of water level detecting B line serial connection diode D5, the resistance R 4, the base stage of water receiving tower water tank low-water level detection transistor Q2, buffer capacitor C2 is connected between the base stage and emitter of low-water level detection transistor Q2, the emitter of low-water level detection transistor Q2 connects power cathode, and collector connects the emitter of common chain triode Q3 with it.
The circuit working process is:
System power supply is by the power supply of transformer transformation rectifying and wave-filtering, during power connection, and the positive pole of power supply, line PX after testing, the resistance that water sources such as well water form, detection line YS, through resistance R 2, make the base stage of water source low-water level detection transistor Q5 obtain turn-on bias voltage, triode Q5 conducting again; The water source low-water level of doing Q5 detects the control triode, as long as Q5 conducting when the water level at water source is higher than water level detecting XY point.Power supply is through resistance R 1, and triode Q5 makes the base stage of relay control triode Q1 obtain turn-on bias voltage, makes the Q1 conducting, the relay adhesive, and output is connected.Light emitting diode D7 makes standby indicating lamp.D8 connects pilot lamp for output.
1. energising is drawn water, and when pumping level was increased to low-water level check point Z point, power supply was by the resistance of water between E, the Z point, make stabilivolt VD1 conducting, through water level detecting lead B, diode D5, resistance R 4, make triode Q2 be in the conducting armed state, also not conducting of triode Q3 at this moment.When the water level that draws water is increased to high water stage detection H point; power supply passes through E; the resistance of water between the H point; through water level detecting line B; make stabilivolt VD2 conducting, because of choosing stabilivolt voltage stabilizing value near supply voltage, stabilivolt VD1 is serially connected with between the high low-water level; when water level is higher than the Z point; supply voltage is added on the stabilivolt VD1, makes its conducting, when water level is higher than the H point; be equivalent to short circuit stabilivolt VD1; be that water level detecting EH point forms path through the resistance of water, supply voltage is added on the stabilivolt VD2, makes stabilivolt VD2 be identified conducting; through resistance R 5; make high water stage cut off control triode Q4 conducting, the G point is an electronegative potential, and promptly triode Q1 base stage is an electronegative potential; triode Q1 ends; relay discharges, and output disconnects, and water pumper is shut down.
Q1 ends because of triode, and the collector potential of triode Q1 raises, through stabilivolt VD3; resistance R 3; make triode Q3 base stage that forward voltage be arranged, and water level is higher than the Z point, triode Q2 promptly is in the conducting armed state; triode Q2, Q3 conducting; be that triode Q2, Q3 form chain conducting state, locking the G point jointly is electronegative potential, triode Q1 remain off; relay is failure to actuate, and water pumper is in stopped status.Even the water surface of water-tower water tank fluctuates ripple, form the resistance switch-on and-off of the water that E point H orders, because triode Q2, Q3 conducting, locking the G point jointly is electronegative potential, and whether triode Q4 conducting at this moment, and the G point still is an electronegative potential; Eliminate the relay switch-on and-off and burn out the drawback that relay contact damages motor.
2. 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 that the resistance of water between E, the H point forms, and stabilivolt VD2 ends, and triode Q4 ends, and stops the control to the G point voltage.
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, VD1 ends, the Q2 base stage is ended because of losing forward voltage, because of Q4 prior to ending, when having only the water level at water sources 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, G point current potential promotes, and triode makes the Q1 conducting, because the Q1 conducting, the collector of Q1 becomes electronegative potential, through stabilivolt VD3, resistance R 3, the chain triode Q3 that connects ends, and ripples the resistance switch-on and-off of the water that formation E point Z is ordered even the water surface of water-tower water tank fluctuates, the base voltage that is Q2 cuts in and out, because the Q1 conducting, the collector of Q1 becomes electronegative potential, and triode Q3 ends, even the Q2 conducting also can't form the path to G point control of Electric potentials, the G point is a noble potential, Q1 conducting, relay adhesive, the water pumper M work of switching on is eliminated the relay switch-on and-off and is burnt 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 on-off control triode, and Q2 is water level low-water level conducting control triode when being higher than check point Z, conducting control triode when Q4 is high water stage, and it is the chain triode of G point electronegative potential that Q2 controls Q1 base stage electronegative potential with Q3 for cooperating jointly.Q5 detects the control triode for the water source low-water level, under the situation at the water source of can not finding time, but short circuit PS point or FG point; And then save water source low-water level detection probe, detection line and control circuit thereof.
Beneficial effect: 1. the height water-level control circuit needs only two detection lines to water-tower water tank.2. 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.3. 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. low-water level detects, and 3. high water stage detects, and 4. 5. control carry out relay, and 6. the water source low-water level detects, 7. water pumper; Wherein: T1 is a transformer, and D1-6 is diode IN4007, and D7-8 is a light emitting diode, makes pilot lamp, and Q is a NPN type triode, and C1-5 is an electrochemical capacitor, and R1-7 is a resistance, and VD1-3 is a stabilivolt, and J1 is a relay, and M is a water pumper.
Embodiment:
A kind of water level controller, as shown in Figure 2: by system power supply, water-level probe testing circuit and height water level detecting recognition control 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.
Need only two lines of A, B to the water tank detection line, the stainless steel outer sleeve plastic tube is used in the protection of two water level detecting lines covers of A, B PVC spool, or the plastic cement copper cash, make three probes, determine that probe stretches into the position, hang the location, positive source connects the A line to water-tower water tank base E point, and the Z point is the low-water level check point, slightly higher than the E point, the H point is the high water stage check point, and VD1 is a stabilivolt, is connected between the height water level detecting line probe upper end, tank lid bottom, carry out sealing, moistureproof anti-rainwater.
To water level detecting PX, 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 PS point or FG point.
Triode Q1 chooses power tube C2383, is relay on-off control triode, and Q2-4 can use C945 for the NPN type; Q2 is water level low-water level conducting control triode when being higher than check point Z, conducting control triode when Q4 is high water stage, Q2 and Q3 are that the control Q1 base stage electronegative potential that coacts is the chain triode of G point electronegative potential, conducting control triode when Q4 is high water stage, the water source low-water level that is Q5 detects the control triode, as long as Q5 conducting when the water level at water source is higher than water level detecting XY point.
Light emitting diode D7 is the Opportunity awaiting control for linear pilot lamp.D8 connects pilot lamp for output.Output termination pumping motor.
Energising is drawn water, and when pumping level was increased to low-water level check point Z point, power supply was by the resistance of water between E, the Z point, make stabilivolt VD1 conducting, through water level detecting lead B, diode D5, resistance R 4, make triode Q2 be in the conducting armed state, also not conducting of triode Q3 at this moment.When the water level that draws water is increased to high water stage detection H point; power supply passes through E; the resistance of water between the H point; through water level detecting line B; make stabilivolt VD2 conducting, because of choosing stabilivolt voltage stabilizing value near supply voltage, stabilivolt VD1 is serially connected with between the high low-water level; when water level is higher than the Z point; supply voltage is added on the stabilivolt VD1, makes its conducting, when water level is higher than the H point; be equivalent to short circuit stabilivolt VD1; be that water level detecting EH point forms path through the resistance of water, supply voltage is added on the stabilivolt VD2, makes VD2 be identified conducting; through resistance R 5; make high water stage cut off control triode Q4 conducting, the G point is an electronegative potential, and promptly triode Q1 base stage is an electronegative potential; Q1 ends; relay discharges, and output disconnects, and water pumper is shut down.
Because of Q1 ends, the collector potential of Q1 raises, through stabilivolt VD2; resistance R 3 make triode Q3 base stage that forward voltage be arranged, and water level is higher than the Z point; triode Q2 promptly is in the conducting armed state, triode Q2, Q3 conducting, and promptly triode Q2, Q3 form chain conducting state; common locking G point is an electronegative potential; this moment, whether triode Q4 conducting, and the G point still is an electronegative potential, triode Q1 remain off; relay is failure to actuate, and water pumper is in stopped status.
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, and stabilivolt VD2 ends, and triode Q4 ends, and stops the control to the G point voltage.
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, VD1 ends, the Q2 base stage is ended because of losing forward voltage, because of Q4 prior to ending, when having only the water level at water sources 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, G point current potential promotes, and makes the Q1 conducting, because the Q1 conducting, the collector of Q1 becomes electronegative potential, through stabilivolt VD3, resistance R 3, the chain triode Q3 that connects ends, and ripples the resistance switch-on and-off of the water that formation E point Z is ordered even the water surface of water-tower water tank fluctuates, the base voltage that is Q2 cuts in and out, because the Q1 conducting, the collector of Q1 becomes electronegative potential, and triode Q3 ends, even the Q2 conducting also can't form the path to G point control of Electric potentials, the G point is a noble potential, Q1 conducting, relay adhesive, the water pumper M work of switching on is eliminated the relay switch-on and-off and is burnt 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.
Water level controller, highly sensitive, simple and reliable, convenient and practical, the easy popularization of circuit.
Claims (1)
1. a water level controller is characterized in that, by system power supply, and water-tower water tank water-level probe testing circuit and height water level detecting recognition control 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 XP is to the positive pole of power supply, behind another water source low-water level termination detection line YS, one the tunnel connects power cathode through buffer capacitor C4, another road is through the base stage of resistance R 2 water receiving source low-water level detection transistor Q5, the positive pole of power supply, collector through resistance R 1 water receiving source low-water level detection transistor Q5, G point in the emitter connection circuit of water source low-water level detection transistor Q5, 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 positive pole of power supply through the former end-coil J1 of relay, is succeeded the collector of electrical equipment control triode Q1, and the emitter of relay control triode Q1 connects power cathode; The normally opened contact JK1 of relay J is serially connected on the water pumper loop; Collector at relay control triode Q1, the base stage of locking triode Q3 in succession through stabilivolt VD3, resistance R 3, G point in the collector connection circuit of chain triode Q3, and the collector of the emitter water receiving tower water tank low-water level detection transistor Q2 of chain triode Q3; Three water level detecting probes all are suspended from the water-tower water tank from the water-tower water tank lid end, and the water level detecting line is two of A, B, and wherein water level detecting A line is linked water-tower water tank base E point from the positive pole of system power supply; The Z point is the low-water level check point, slightly higher than the E point, the H point is the high water stage check point, the positive termination low-water level of stabilivolt VD1 detects Z probe upper end, its negative terminal connects high water stage and detects B line place, H probe upper end, high water stage detects the H point through water level detecting B line, one tunnel serial connection high water stage identification conducting stabilivolt VD2, resistance R 5 is connected to the base stage that the water-tower water tank high water stage cuts off control triode Q4, buffer capacitor C3 is connected to high water stage and cuts off between the base stage and emitter of control triode Q4, the emitter that high water stage cuts off control triode Q4 connects power cathode, and high water stage cuts off the G point in the collector connection circuit of controlling triode Q4; After another road of water level detecting B line serial connection diode D5, the resistance R 4, the base stage of water receiving tower water tank low-water level detection transistor Q2, buffer capacitor C2 is connected between the base stage and emitter of low-water level detection transistor Q2, the emitter of low-water level detection transistor Q2 connects power cathode, and collector connects the emitter of common chain triode Q3 with it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205978501U CN201903790U (en) | 2010-10-30 | 2010-10-30 | Water level controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205978501U CN201903790U (en) | 2010-10-30 | 2010-10-30 | Water level controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201903790U true CN201903790U (en) | 2011-07-20 |
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ID=44274383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205978501U Expired - Fee Related CN201903790U (en) | 2010-10-30 | 2010-10-30 | Water level controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201903790U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105183017A (en) * | 2015-10-07 | 2015-12-23 | 兰如根 | Multi-level water level identification circuit with two detection lines for detection |
| CN107992106A (en) * | 2017-12-12 | 2018-05-04 | 长沙科悦企业管理咨询有限公司 | A kind of automatic controller for water level |
-
2010
- 2010-10-30 CN CN2010205978501U patent/CN201903790U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105183017A (en) * | 2015-10-07 | 2015-12-23 | 兰如根 | Multi-level water level identification circuit with two detection lines for detection |
| CN107992106A (en) * | 2017-12-12 | 2018-05-04 | 长沙科悦企业管理咨询有限公司 | A kind of automatic controller for water level |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110720 Termination date: 20121030 |