CN204229250U - The water-level control circuit of a kind of water source and water tank joint control - Google Patents
The water-level control circuit of a kind of water source and water tank joint control Download PDFInfo
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- CN204229250U CN204229250U CN201420728159.0U CN201420728159U CN204229250U CN 204229250 U CN204229250 U CN 204229250U CN 201420728159 U CN201420728159 U CN 201420728159U CN 204229250 U CN204229250 U CN 204229250U
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Abstract
The water-level control circuit of a kind of water source and water tank joint control, relate to a kind of water-level control circuit, be made up of power circuit, level shifting circuit and control output circuit, wherein, power circuit is formed by rectifier transformer, full bridge rectifier, filter capacitor a, integrated package of pressure-stabilizing and filter capacitor b; Level shifting circuit comprises the high water stage signal end of water tank, the low-water level signal end of water tank, the high liquid level signal end of well, the low liquid level signal end of well, isolating diode a, isolating diode b, not gate a, isolating diode c, not gate d, isolating diode f, not gate b, isolating diode d, not gate e, isolating diode g, not gate c and isolating diode e; Control output circuit comprise driving resistance, triode, clamp diode, relay, control output phase line end and control to export zero line side.The utility model samples the water level in water tank and the water level in well simultaneously, realizes water source and water tank jointly controls, and prevents water pump from dallying and causing damage.
Description
Technical field
The utility model relates to a kind of electronic circuit, is related specifically to a kind of water-level control circuit of agricultural dropleting enemaing system.
Background technology
Drip irrigation technique needs water requirement according to crops, by low pressure pipeline system and the douche be arranged on hollow billet, the nutrient that water and crop need instilled drop by drop, evenly and lentamente the irrigation method in the soil of crop root zone.The principal feature of drip irrigation is that irrigation quantity is little, perdurability of once pouring water is longer, the cycle of pouring water is short, can accomplish that little water duty is filled with, can Controlled irrigation amount more exactly, invalid Evaporation among plants can be reduced, can not cause the waste of water, the utilization factor of water can reach 95%, and drip irrigation is comparatively sprayed and had higher water-saving and yield-increasing effect, in conjunction with fertilising, fertilizer efficiency more than one times can be improved simultaneously.Be applicable to fruit tree, vegetables, industrial crops and warmhouse booth to irrigate, also can be used for field crop irrigation in the place of drought and water shortage.
But the shortcoming that current drip irrigation technique exists is: drip irrigation uses the water with certain pressure, drip irrigation system must configure water pump, filtrator, control survey equipment (tensimeter, operation valve, flow regulator etc.), water-supply pipeline at different levels and water dropper, therefore, drip irrigation system cost is higher, once be referred to as " expensive technique ", only in the industrial crops of high added value; Because impurity can make water dropper easily block, therefore tackle water source and carry out strict filtration treatment, operating cost is high.
Chinese Patent Application No. 2014106872935 discloses " a kind of kapillary drip irrigation system ", and utilize capillary principle to realize drip irrigation object, water supply line has not needed pressure; Kapillary is fetched water with suction type, and kapillary self has filtration, and impurity not easily enters in kapillary, and water dropper can not block.This system is primarily of balanced reservoir, feed pipe, diversion arm, diversion hollow billet and kapillary water dropper composition, and in system, the water level in balanced reservoir carries out Based Intelligent Control by controller, therefore, needs a kind of water-level control circuit.
Utility model content
The purpose of this utility model will provide supporting water-level control circuit for drip irrigation system, and the work of cooperation drip irrigation system, carries out water source and water tank jointly controls, and realizes water-saving and yield-increasing object.
The water-level control circuit of a kind of water source of the present utility model and water tank joint control, it is characterized in that water-level control circuit is made up of power circuit, level shifting circuit and control output circuit, wherein, by rectifier transformer (TC), full bridge rectifier (VD), filter capacitor a(C1), integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) form power circuit, level shifting circuit comprises the high water stage signal end (A) of water tank, the low-water level signal end (B) of water tank, the high liquid level signal end (C) of well, the low liquid level signal end (D) of well, isolating diode a(V1), isolating diode b(V2), not gate a(IC2), isolating diode c(V3), not gate d(IC5), isolating diode f(V6), not gate b(IC3), isolating diode d(V4), not gate e(IC6), isolating diode g(V7), not gate c(IC4) and isolating diode e(V5), control output circuit comprise driving resistance (R6), triode (VT), clamp diode (V8), relay, control output phase line end (L2) and control to export zero line side (N2), relay comprises coil (K) and contact switch (Ka), the primary coil of rectifier transformer (TC) is connected to the phase line input end (L1) of power supply and the zero line input end (N1) of power supply, the secondary coil of rectifier transformer (TC) is connected to two input ends of full bridge rectifier (VD), the positive pole of full bridge rectifier (VD) is connected to filter capacitor a(C1) positive pole and the input end of integrated package of pressure-stabilizing (IC1), output terminal and the filter capacitor b(C2 of integrated package of pressure-stabilizing (IC1)) positive pole be connected after form DC supply (V+), the negative pole of full bridge rectifier (VD), filter capacitor a(C1) negative pole, filter capacitor b(C2) negative pole be connected with the earth terminal of integrated package of pressure-stabilizing (IC1) after form ground wire, the high water stage signal end (A) of water tank is connected to isolating diode a(V1) anode, the low-water level signal end (B) of water tank is connected to isolating diode b(V2) anode, the high liquid level signal end (C) of well is connected to not gate a(IC2) input end, not gate a(IC2) output terminal be connected to isolating diode c(V3) anode, isolating diode c(V3) negative electrode and isolating diode b(V2) negative electrode be connected to not gate d(IC5) input end, not gate d(IC5) output terminal be connected to isolating diode f(V6) anode, the low liquid level signal end (D) of well is connected to not gate b(IC3) input end, not gate b(IC3) output terminal be connected to isolating diode d(V4) anode, isolating diode d(V4) negative electrode and isolating diode a(V1) negative electrode be connected to not gate e(IC6) input end, not gate e(IC6) output terminal be connected to isolating diode g(V7) anode, isolating diode g(V7) negative electrode and isolating diode f(V6) negative electrode be connected to drive resistance (R6) the first pin and not gate c(IC4) input end, not gate c(IC4) output terminal be connected to isolating diode e(V5) anode, isolating diode e(V5) negative electrode be connected to not gate e(IC6) input end, the crus secunda of resistance (R6) is driven to be connected to the base stage of triode (VT), the emitter of triode (VT) is connected to ground wire, the collector of triode (VT) is connected to the anode of clamp diode (V8) and the second end of relay coil (K), and the negative electrode of clamp diode (V8) and the first end of relay coil (K) are connected to DC supply (V+), the phase line input end (L1) of power supply is connected to the input end of relay contact switch (Ka), the output terminal of relay contact switch (Ka) is connected to and controls to export phase line end (L2), and the zero line input end (N1) of power supply is connected to and controls to export zero line side (N2).
In the utility model, at not gate a(IC2) input end and ground wire between You Bang road resistance a(R2); At not gate b(IC3) input end and ground wire between You Bang road resistance b(R3); At not gate d(IC5) input end and ground wire between You Bang road resistance c(R4); At not gate e(IC6) input end and ground wire between You Bang road resistance d(R5); Have feed end (E) and isolation resistance (R1) in water-level control circuit, feed end (E) is connected to DC supply (V+) by isolation resistance (R1); Not gate a(IC2), not gate b(IC3), not gate c(IC4), not gate d(IC5) and not gate e(IC6) share a ungated integrated circuit, the power end of ungated integrated circuit is connected to DC supply (V+), and the ground end of ungated integrated circuit is connected to ground wire.
The utility model, as the support equipment of drip irrigation system, coordinates drip irrigation system work.Drip irrigation system is made up of water level controller, water pump, water tank, feed pipe, diversion arm, diversion hollow billet and water dropper, and wherein, water-level control circuit of the present utility model is arranged in the housing of water level controller, feed pipe and diversion arm respectively there is stub interface, water dropper is arranged on the upper end of diversion hollow billet, the lower end of diversion hollow billet is connected on the stub interface of diversion arm, the entrance point of diversion arm is connected on the stub interface of feed pipe, the entrance point of feed pipe is connected on the water supply output interface of water tank, the water sucking mouth of water pump is connected in well by suction hose, and the water delivering orifice of water pump enters into water tank by pipeline, upper limit level electrode is had in water tank, lower limit level electrode and feeding electrode, the water source of water tank is from well, high water level electrode is had in well, low water level electrode and feed connection, high water stage signal end (A) in water-level control circuit is connected to the upper limit level electrode in water tank, low-water level signal end (B) is connected to the lower limit level electrode in water tank, high liquid level signal end (C) is connected to the high water level electrode in well, low liquid level signal end (D) is connected to the low water level electrode in well, feed connection in well and the feeding electrode in water tank are connected to the feed end (E) in water-level control circuit, control in water-level control circuit exports phase line end (L2) and controls to export zero line side (N2) and is connected on the motor winding of water pump.
When above-mentioned utility model uses, the water supply of feed pipe is provided by water tank, and the water level of water tank realizes intelligent moisturizing by water-level control circuit, and phase line input end (L1) and the zero line input end (N1) of water-level control circuit are connected in the AC power of 220V.When the water level in water tank is lower than lower limit water level, the control output circuit in water-level control circuit is transmitted electricity to the motor winding of water pump, makes water pump operation, carries out moisturizing to water tank; When the water level in water tank reaches upper limit water level, the control output circuit in water-level control circuit just stops transmission of electricity, and water pump is stopped.The water level of water tank remains between lower limit water level and upper limit water level automatically, and water dropper just has water droplet to go out continually.The high liquid level signal end (C) of well and the low liquid level signal end (D) of well is had in water-level control circuit of the present utility model, coordinate with the high water level electrode in well, low water level electrode, while control Water in Water Tanks position, water level in well is jointly controlled, to prevent the water of water well from being drained, water pump dallies and causes damage.
Water-level control circuit principle of work of the present utility model is: when the water level in water tank is between upper limit level electrode and lower limit level electrode, keeps running status or the halted state of water pump, when the water level in water tank is lower than lower limit level electrode, low-water level signal end (B) loses electric signal, at this moment the water level in well should higher than high water level electrode, not gate a(IC2) output terminal be low level, not gate d(IC5) input end be all low level, not gate d(IC5) output terminal be converted to high level, not gate d(IC5) high level of output terminal is by isolating diode f(V6) and driving resistance (R6) be input to the base stage of triode (VT), make triode (VT) conducting, coil (K) energising of relay, the contact switch (Ka) of relay is by adhesive, the electrical power of water pump runs, water pump draws water and carries out moisturizing to water tank from well, simultaneously, not gate d(IC5) high level of output terminal is by isolating diode f(V6) feed back to not gate c(IC4) and input end, make not gate c(IC4) output terminal be converted to low level, not gate e(IC6) input end be low level, make not gate e(IC6) output terminal be converted to high level, when the water level rising in water tank is equal to or higher than lower limit level electrode, not gate d(IC5) input end be high level, not gate d(IC5) output terminal be converted to low level, at this moment by not gate e(IC6) high level of output terminal is by isolating diode g(V7) be input to the base stage of triode (VT), make triode (VT) keep conducting, be elevated to lower limit level electrode when the water level in water tank and maintain water pump operation state lower than during upper limit level electrode, when the water level rising in water tank touches upper limit level electrode, high water stage signal end (A) obtains electric, high level is by isolating diode a(V1) be input to not gate e(IC6) input end, make not gate e(IC6) output terminal be converted to low level, triode (VT) ends, coil (K) power-off of relay, contact switch (Ka) release of relay, the motor power-off of water pump stops, at this moment, low level feeds back to not gate c(IC4) input end, make not gate c(IC4) output terminal be converted to high level, not gate c(IC4) high level of output terminal is by isolating diode e(V5) be input to not gate e(IC6) and input end, make not gate e(IC6) output terminal keep low level, when the water level in water tank maintains water pump halted state lower than upper limit level electrode higher than during lower limit level electrode.When water pump operation draws water from well, when the water level in well is lower than high liquid level signal end (C) and higher than low liquid level signal end (D), not gate a(IC2) output terminal be high level, not gate d(IC5) input end be all high level, not gate d(IC5) output terminal be low level, at this moment by not gate e(IC6) high level of output terminal is by isolating diode g(V7) be input to the base stage of triode (VT), make triode (VT) keep conducting, water pump maintains running status, when the water level in well is lower than low water level electrode, not gate b(IC3) input end be converted to low level, not gate b(IC3) output terminal be reversed to high level, high level is by isolating diode d(V4) be input to not gate e(IC6) input end, make not gate e(IC6) output terminal be converted to low level, triode (VT) ends, coil (K) power-off of relay, contact switch (Ka) release of relay, the motor power-off of water pump stops, at this moment, low level feeds back to not gate c(IC4) input end, make not gate c(IC4) output terminal be converted to high level, not gate c(IC4) high level of output terminal is by isolating diode e(V5) be input to not gate e(IC6) and input end, make not gate e(IC6) output terminal keep low level, to maintain water level in well higher than low water level electrode lower than water pump halted state during high water level electrode, avoid water pump Fraquent start and cause damage, when in well water level raise reach or higher than high water level electrode time, not gate a(IC2) input end be high level, not gate a(IC2) output terminal be low level, if the water level at this moment water tank is higher than lower limit level electrode, not gate d(IC5) input end be high level, not gate d(IC5) output terminal keep low level, water pump maintain halted state, to reach or higher than high water level electrode when the water level in well raises, when water level in water tank is lower than lower limit level electrode, not gate d(IC5) input end be low level, not gate d(IC5) output terminal be converted to high level, water pump brings into operation and draws water, at this moment, not gate c(IC4) input end obtain high level feedback, make not gate c(IC4) output terminal be converted to low level, make not gate e(IC6) output terminal keep high level, prevent the water level Fraquent start water pump when high water level electrode fluctuates up and down in well, until the water level in water tank arrives upper limit level electrode, water pump stops.
The beneficial effects of the utility model are: a kind of water source provided and the water-level control circuit of water tank joint control, coordinate drip irrigation system work, realize water-saving and yield-increasing object.The utility model samples the water level in water tank and the water level in well simultaneously, realizes water source and water tank jointly controls, when being drained to prevent the water of water well, and water pump idle running and cause damage.
Accompanying drawing explanation
Fig. 1 is the water-level control circuit figure of a kind of water source of the present utility model and water tank joint control.
In figure: R1. isolation resistance, R2. road resistance a is close to, R3. road resistance b is close to, R4. road resistance c is close to, R5. road resistance d is close to, R6. resistance is driven, C1. filter capacitor a, C2. filter capacitor b, VD. full bridge rectifier, V1. isolating diode a, V2. isolating diode b, V3. isolating diode c, V4. isolating diode d, V5. isolating diode e, V6. isolating diode f, V7. isolating diode g, V8. clamp diode, VT. triode, IC1. integrated package of pressure-stabilizing, IC2. not gate a, IC3. not gate b, IC4. not gate c, IC5. not gate d, IC6. not gate e, TC. rectifier transformer, K. the coil of relay, Ka. the contact switch of relay, V+. DC supply, N1. the zero line input end of power supply, L1. the phase line input end of power supply, N2. control to export zero line side, L2. control to export phase line end, A. the high water stage signal end of water tank, B. the low-water level signal end of water tank, C. the high liquid level signal end of well, D. the low liquid level signal end of well, E. feed end.
Embodiment
embodimentin embodiment shown in the drawings, the water-level control circuit of a kind of water source and water tank joint control is made up of power circuit, level shifting circuit and control output circuit, wherein, by rectifier transformer (TC), full bridge rectifier (VD), filter capacitor a(C1), integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) form power circuit, level shifting circuit comprises the high water stage signal end (A) of water tank, the low-water level signal end (B) of water tank, the high liquid level signal end (C) of well, the low liquid level signal end (D) of well, isolating diode a(V1), isolating diode b(V2), not gate a(IC2), isolating diode c(V3), not gate d(IC5), isolating diode f(V6), not gate b(IC3), isolating diode d(V4), not gate e(IC6), isolating diode g(V7), not gate c(IC4) and isolating diode e(V5), control output circuit comprise driving resistance (R6), triode (VT), clamp diode (V8), relay, control output phase line end (L2) and control to export zero line side (N2), relay comprises coil (K) and contact switch (Ka), the primary coil of rectifier transformer (TC) is connected to the phase line input end (L1) of power supply and the zero line input end (N1) of power supply, the secondary coil of rectifier transformer (TC) is connected to two input ends of full bridge rectifier (VD), the positive pole of full bridge rectifier (VD) is connected to filter capacitor a(C1) positive pole and the input end of integrated package of pressure-stabilizing (IC1), output terminal and the filter capacitor b(C2 of integrated package of pressure-stabilizing (IC1)) positive pole be connected after form DC supply (V+), the negative pole of full bridge rectifier (VD), filter capacitor a(C1) negative pole, filter capacitor b(C2) negative pole be connected with the earth terminal of integrated package of pressure-stabilizing (IC1) after form ground wire, the high water stage signal end (A) of water tank is connected to isolating diode a(V1) anode, the low-water level signal end (B) of water tank is connected to isolating diode b(V2) anode, the high liquid level signal end (C) of well is connected to not gate a(IC2) input end, at not gate a(IC2) input end and ground wire between You Bang road resistance a(R2), not gate a(IC2) output terminal be connected to isolating diode c(V3) anode, isolating diode c(V3) negative electrode and isolating diode b(V2) negative electrode be connected to not gate d(IC5) input end, at not gate d(IC5) input end and ground wire between You Bang road resistance c(R4), not gate d(IC5) output terminal be connected to isolating diode f(V6) anode, the low liquid level signal end (D) of well is connected to not gate b(IC3) input end, at not gate b(IC3) input end and ground wire between You Bang road resistance b(R3), not gate b(IC3) output terminal be connected to isolating diode d(V4) anode, isolating diode d(V4) negative electrode and isolating diode a(V1) negative electrode be connected to not gate e(IC6) input end, not gate e(IC6) output terminal be connected to isolating diode g(V7) anode, isolating diode g(V7) negative electrode and isolating diode f(V6) negative electrode be connected to drive resistance (R6) the first pin and not gate c(IC4) input end, not gate c(IC4) output terminal be connected to isolating diode e(V5) anode, isolating diode e(V5) negative electrode be connected to not gate e(IC6) input end, at not gate e(IC6) input end and ground wire between You Bang road resistance d(R5), the crus secunda of resistance (R6) is driven to be connected to the base stage of triode (VT), the emitter of triode (VT) is connected to ground wire, the collector of triode (VT) is connected to the anode of clamp diode (V8) and the second end of relay coil (K), and the negative electrode of clamp diode (V8) and the first end of relay coil (K) are connected to DC supply (V+), the phase line input end (L1) of power supply is connected to the input end of relay contact switch (Ka), the output terminal of relay contact switch (Ka) is connected to and controls to export phase line end (L2), and the zero line input end (N1) of power supply is connected to and controls to export zero line side (N2).In the present embodiment, have feed end (E) and isolation resistance (R1) in water-level control circuit, feed end (E) is connected to DC supply (V+) by isolation resistance (R1); Not gate a(IC2), not gate b(IC3), not gate c(IC4), not gate d(IC5) and not gate e(IC6) share a ungated integrated circuit, the power end of ungated integrated circuit is connected to DC supply (V+), and the ground end of ungated integrated circuit is connected to ground wire.Ungated integrated circuit selects the cmos digital integrated circuit of CC4069 or CC40106 model, CC4069 is hex inverter integrated circuit, CC40106 is the hex inverter integrated circuit of band Schmidt trigger, the present embodiment is only with group not gate of five in CC4069 or CC40106 integrated circuit, and the input end of unnecessary one group of not gate is connected to DC supply (V+) or ground wire.
The present embodiment, as the support equipment of drip irrigation system, coordinates drip irrigation system work.Drip irrigation system is made up of water level controller, water pump, water tank, feed pipe, diversion arm, diversion hollow billet and water dropper, and wherein, the water-level control circuit of the present embodiment is arranged in the housing of water level controller, feed pipe and diversion arm respectively there is stub interface, water dropper is arranged on the upper end of diversion hollow billet, the lower end of diversion hollow billet is connected on the stub interface of diversion arm, the entrance point of diversion arm is connected on the stub interface of feed pipe, the entrance point of feed pipe is connected on the water supply output interface of water tank, the water sucking mouth of water pump is connected in well by suction hose, and the water delivering orifice of water pump enters into water tank by pipeline, upper limit level electrode is had in water tank, lower limit level electrode and feeding electrode, the water source of water tank is from well, high water level electrode is had in well, low water level electrode and feed connection, high water stage signal end (A) in water-level control circuit is connected to the upper limit level electrode in water tank, low-water level signal end (B) is connected to the lower limit level electrode in water tank, high liquid level signal end (C) is connected to the high water level electrode in well, low liquid level signal end (D) is connected to the low water level electrode in well, feed connection in well and the feeding electrode in water tank are connected to the feed end (E) in water-level control circuit, control in water-level control circuit exports phase line end (L2) and controls to export zero line side (N2) and is connected on the motor winding of water pump.
When the present embodiment uses, the water supply of feed pipe is provided by water tank, and the water level of water tank realizes intelligent moisturizing by water-level control circuit, and phase line input end (L1) and the zero line input end (N1) of water-level control circuit are connected in the AC power of 220V.When the water level in water tank is lower than lower limit water level, the control output circuit in water-level control circuit is transmitted electricity to the motor winding of water pump, makes water pump operation, carries out moisturizing to water tank; When the water level in water tank reaches upper limit water level, the control output circuit in water-level control circuit just stops transmission of electricity, and water pump is stopped.The water level of water tank remains between lower limit water level and upper limit water level automatically, and water dropper just has water droplet to go out continually.The high liquid level signal end (C) of well and the low liquid level signal end (D) of well is had in water-level control circuit of the present utility model, coordinate with the high water level electrode in well, low water level electrode, while control Water in Water Tanks position, water level in well is jointly controlled, to prevent the water of water well from being drained, water pump dallies and causes damage.
During the present embodiment work: when the water level in water tank is between upper limit level electrode and lower limit level electrode, keep running status or the halted state of water pump, when the water level in water tank is lower than lower limit level electrode, low-water level signal end (B) loses electric signal, at this moment the water level in well should higher than high water level electrode, not gate a(IC2) output terminal be low level, not gate d(IC5) input end be all low level, not gate d(IC5) output terminal be converted to high level, not gate d(IC5) high level of output terminal is by isolating diode f(V6) and driving resistance (R6) be input to the base stage of triode (VT), make triode (VT) conducting, coil (K) energising of relay, the contact switch (Ka) of relay is by adhesive, the electrical power of water pump runs, water pump draws water and carries out moisturizing to water tank from well, simultaneously, not gate d(IC5) high level of output terminal is by isolating diode f(V6) feed back to not gate c(IC4) and input end, make not gate c(IC4) output terminal be converted to low level, not gate e(IC6) input end be low level, make not gate e(IC6) output terminal be converted to high level, when the water level rising in water tank is equal to or higher than lower limit level electrode, not gate d(IC5) input end be high level, not gate d(IC5) output terminal be converted to low level, at this moment by not gate e(IC6) high level of output terminal is by isolating diode g(V7) be input to the base stage of triode (VT), make triode (VT) keep conducting, be elevated to lower limit level electrode when the water level in water tank and maintain water pump operation state lower than during upper limit level electrode, when the water level rising in water tank touches upper limit level electrode, high water stage signal end (A) obtains electric, high level is by isolating diode a(V1) be input to not gate e(IC6) input end, make not gate e(IC6) output terminal be converted to low level, triode (VT) ends, coil (K) power-off of relay, contact switch (Ka) release of relay, the motor power-off of water pump stops, at this moment, low level feeds back to not gate c(IC4) input end, make not gate c(IC4) output terminal be converted to high level, not gate c(IC4) high level of output terminal is by isolating diode e(V5) be input to not gate e(IC6) and input end, make not gate e(IC6) output terminal keep low level, when the water level in water tank maintains water pump halted state lower than upper limit level electrode higher than during lower limit level electrode.When water pump operation draws water from well, when the water level in well is lower than high liquid level signal end (C) and higher than low liquid level signal end (D), not gate a(IC2) output terminal be high level, not gate d(IC5) input end be all high level, not gate d(IC5) output terminal be low level, at this moment by not gate e(IC6) high level of output terminal is by isolating diode g(V7) be input to the base stage of triode (VT), make triode (VT) keep conducting, water pump maintains running status, when the water level in well is lower than low water level electrode, not gate b(IC3) input end be converted to low level, not gate b(IC3) output terminal be reversed to high level, high level is by isolating diode d(V4) be input to not gate e(IC6) input end, make not gate e(IC6) output terminal be converted to low level, triode (VT) ends, coil (K) power-off of relay, contact switch (Ka) release of relay, the motor power-off of water pump stops, at this moment, low level feeds back to not gate c(IC4) input end, make not gate c(IC4) output terminal be converted to high level, not gate c(IC4) high level of output terminal is by isolating diode e(V5) be input to not gate e(IC6) and input end, make not gate e(IC6) output terminal keep low level, to maintain water level in well higher than low water level electrode lower than water pump halted state during high water level electrode, avoid water pump Fraquent start and cause damage, when in well water level raise reach or higher than high water level electrode time, not gate a(IC2) input end be high level, not gate a(IC2) output terminal be low level, if the water level at this moment water tank is higher than lower limit level electrode, not gate d(IC5) input end be high level, not gate d(IC5) output terminal keep low level, water pump maintain halted state, to reach or higher than high water level electrode when the water level in well raises, when water level in water tank is lower than lower limit level electrode, not gate d(IC5) input end be low level, not gate d(IC5) output terminal be converted to high level, water pump brings into operation and draws water, at this moment, not gate c(IC4) input end obtain high level feedback, make not gate c(IC4) output terminal be converted to low level, make not gate e(IC6) output terminal keep high level, prevent the water level Fraquent start water pump when high water level electrode fluctuates up and down in well, until the water level in water tank arrives upper limit level electrode, water pump stops.
Claims (4)
1. the water-level control circuit of a water source and water tank joint control, it is characterized in that water-level control circuit is made up of power circuit, level shifting circuit and control output circuit, wherein, by rectifier transformer (TC), full bridge rectifier (VD), filter capacitor a(C1), integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) form power circuit, level shifting circuit comprises the high water stage signal end (A) of water tank, the low-water level signal end (B) of water tank, the high liquid level signal end (C) of well, the low liquid level signal end (D) of well, isolating diode a(V1), isolating diode b(V2), not gate a(IC2), isolating diode c(V3), not gate d(IC5), isolating diode f(V6), not gate b(IC3), isolating diode d(V4), not gate e(IC6), isolating diode g(V7), not gate c(IC4) and isolating diode e(V5), control output circuit comprise driving resistance (R6), triode (VT), clamp diode (V8), relay, control output phase line end (L2) and control to export zero line side (N2), relay comprises coil (K) and contact switch (Ka),
The primary coil of rectifier transformer (TC) is connected to the phase line input end (L1) of power supply and the zero line input end (N1) of power supply, the secondary coil of rectifier transformer (TC) is connected to two input ends of full bridge rectifier (VD), the positive pole of full bridge rectifier (VD) is connected to filter capacitor a(C1) positive pole and the input end of integrated package of pressure-stabilizing (IC1), output terminal and the filter capacitor b(C2 of integrated package of pressure-stabilizing (IC1)) positive pole be connected after form DC supply (V+), the negative pole of full bridge rectifier (VD), filter capacitor a(C1) negative pole, filter capacitor b(C2) negative pole be connected with the earth terminal of integrated package of pressure-stabilizing (IC1) after form ground wire,
The high water stage signal end (A) of water tank is connected to isolating diode a(V1) anode, the low-water level signal end (B) of water tank is connected to isolating diode b(V2) anode, the high liquid level signal end (C) of well is connected to not gate a(IC2) input end, not gate a(IC2) output terminal be connected to isolating diode c(V3) anode, isolating diode c(V3) negative electrode and isolating diode b(V2) negative electrode be connected to not gate d(IC5) input end, not gate d(IC5) output terminal be connected to isolating diode f(V6) anode, the low liquid level signal end (D) of well is connected to not gate b(IC3) input end, not gate b(IC3) output terminal be connected to isolating diode d(V4) anode, isolating diode d(V4) negative electrode and isolating diode a(V1) negative electrode be connected to not gate e(IC6) input end, not gate e(IC6) output terminal be connected to isolating diode g(V7) anode, isolating diode g(V7) negative electrode and isolating diode f(V6) negative electrode be connected to drive resistance (R6) the first pin and not gate c(IC4) input end, not gate c(IC4) output terminal be connected to isolating diode e(V5) anode, isolating diode e(V5) negative electrode be connected to not gate e(IC6) input end,
The crus secunda of resistance (R6) is driven to be connected to the base stage of triode (VT), the emitter of triode (VT) is connected to ground wire, the collector of triode (VT) is connected to the anode of clamp diode (V8) and the second end of relay coil (K), and the negative electrode of clamp diode (V8) and the first end of relay coil (K) are connected to DC supply (V+); The phase line input end (L1) of power supply is connected to the input end of relay contact switch (Ka), the output terminal of relay contact switch (Ka) is connected to and controls to export phase line end (L2), and the zero line input end (N1) of power supply is connected to and controls to export zero line side (N2).
2. the water-level control circuit of a kind of water source according to claim 1 and water tank joint control, it is characterized in that having feed end (E) and isolation resistance (R1) in water-level control circuit, feed end (E) is connected to DC supply (V+) by isolation resistance (R1).
3. the water-level control circuit of a kind of water source according to claim 1 and water tank joint control, is characterized in that at not gate a(IC2) input end and ground wire between You Bang road resistance a(R2); At not gate b(IC3) input end and ground wire between You Bang road resistance b(R3); At not gate d(IC5) input end and ground wire between You Bang road resistance c(R4); At not gate e(IC6) input end and ground wire between You Bang road resistance d(R5).
4. the water-level control circuit of a kind of water source according to claim 1 and water tank joint control, it is characterized in that not gate a(IC2), not gate b(IC3), not gate c(IC4), not gate d(IC5) and not gate e(IC6) share a ungated integrated circuit, the power end of ungated integrated circuit is connected to DC supply (V+), and the ground end of ungated integrated circuit is connected to ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728159.0U CN204229250U (en) | 2014-11-28 | 2014-11-28 | The water-level control circuit of a kind of water source and water tank joint control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728159.0U CN204229250U (en) | 2014-11-28 | 2014-11-28 | The water-level control circuit of a kind of water source and water tank joint control |
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| Publication Number | Publication Date |
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| CN204229250U true CN204229250U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420728159.0U Withdrawn - After Issue CN204229250U (en) | 2014-11-28 | 2014-11-28 | The water-level control circuit of a kind of water source and water tank joint control |
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| Country | Link |
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| CN (1) | CN204229250U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106094600A (en) * | 2016-08-22 | 2016-11-09 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of control circuit for biomass sawing |
| CN106249648A (en) * | 2016-08-22 | 2016-12-21 | 衢州市煜鑫农产品加工技术开发有限公司 | Sequencing circuit for biomass sawing device |
-
2014
- 2014-11-28 CN CN201420728159.0U patent/CN204229250U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106094600A (en) * | 2016-08-22 | 2016-11-09 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of control circuit for biomass sawing |
| CN106249648A (en) * | 2016-08-22 | 2016-12-21 | 衢州市煜鑫农产品加工技术开发有限公司 | Sequencing circuit for biomass sawing device |
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