CN104035354A - Control circuit for water saving device of solar water heater - Google Patents
Control circuit for water saving device of solar water heater Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 207
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 41
- 239000003990 capacitor Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000003020 moisturizing effect Effects 0.000 claims description 32
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 210000001699 lower leg Anatomy 0.000 claims description 12
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 230000000087 stabilizing effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 2
- 238000002955 isolation Methods 0.000 abstract 2
- 229910052710 silicon Inorganic materials 0.000 abstract 2
- 239000010703 silicon Substances 0.000 abstract 2
- 238000009413 insulation Methods 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000011105 stabilization Methods 0.000 abstract 1
- 238000011084 recovery Methods 0.000 description 11
- 239000002699 waste material Substances 0.000 description 5
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 230000008676 import Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009394 selective breeding Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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Abstract
The invention discloses a control circuit for a water saving device of a solar water heater and relates to an electronic control circuit. The control circuit comprises a power source circuit, a signal input end port, a comparator circuit, a processing circuit and an execution circuit. The power source circuit is composed of a rectifier transformer, a rectifier diode a, a rectifier diode b, a filter capacitor a, a voltage-stabilization integration block and a filter capacitor b. The signal input end port comprises a water flow signal input end, a water temperature signal input end, a water level signal input end, a manual input end, an interlocking signal input end a and an interlocking signal input end b. The comparator circuit is composed of a divider resistor, an AND gate a and an isolation diode a. The processing circuit comprises a full-bridge circuit, an AND gate b, an isolation diode b, a transmission gate, a NOT gate and a door c. The execution circuit comprises a bidirectional silicon controlled rectifier a, a triode, a catching diode, a relay, a bidirectional silicon controlled rectifier b and a control output end. The control circuit is matched with the water saving device of the solar heater so as to recycle cold water in the bottom of a heat insulation water tank and a hot water pipe by an intelligent control mode.
Description
Technical field
The present invention relates to a kind of electronic control circuit, specially refer to a kind of control circuit of water saving fixtures.
Background technology
Water be people live and activity in production in necessary, along with the development of China's urbanization, the consumption of city tap-water is on the increase.Water is not inexhaustible, nexhaustible, and northern China most areas all exists serious water shortage situation, and using water wisely will be done from drop.People are in the time using the hot water of solar water heater or other hot water facility, must first cold water and the ducted cold water of boiler bottom be discharged in advance, then just there is hot water to flow out, if the cold water of discharge not reclaimed, by water resource valuable waste, heat-preserving water tank for solar water heater bottom and ducted cold water recycling use, realize using water wisely by water saving fixtures.Existing water saving fixtures need be by artificial selection reclaimer operation, maybe needs to filter rear recycling, has the shortcoming of the loaded down with trivial details or high difficult popularization of cost of bulky, complex structure, operation.
Chinese Patent Application No. 2014102626931 discloses " a kind of water saving fixtures of solar water heater ", be arranged on the Indoor Thermal water pipe of solar water heater and use, reclaim the cold water in attemperater bottom and hot-water line with intelligent control method, then in the time that attemperater needs moisturizing, return in attemperater and reuse, the waste of having avoided direct discharge to cause.This device needs supporting control circuit.
Summary of the invention
The object of the invention is for the water saving fixtures of solar water heater provide supporting control circuit, to coordinate water saving fixtures work, reclaim the cold water in attemperater bottom and hot-water line, avoid the directly waste of discharge, realize water saving object.
The control circuit of automatic regulating device for solar water heater of the present invention, it is characterized in that control circuit is made up of power circuit, signal input port, comparator circuit, treatment circuit and executive circuit, wherein, power circuit is by zero line input end (N1), the phase line input end (L1) of power supply, rectifier transformer (TC), the commutation diode a(VD1 of power supply), commutation diode b(VD2), filter capacitor a(C1), integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) form, signal input port comprises water-flow signal input end (A1), water temperature signal input end (A2) water level signal input end (A3), manual input end (A4), interlocking signal input end a(A5) and interlocking signal input end b(A6), comparator circuit by divider resistance (R1), with door an a(IC2) and isolating diode a(VD3) formation, treatment circuit by full-bridge circuit (VDq), with a door b(IC3), isolating diode b(VD5), transmission gate (IC4), not gate (IC5) and with door c(IC6) form, executive circuit comprises that cold water reclaims executive circuit and moisturizing executive circuit, cold water reclaim executive circuit by driving resistance a(R3), bidirectional triode thyristor a(VS1) and control output end b(L4) formation, moisturizing executive circuit is by biasing resistor (R6), triode (VT), clamp diode (VD6), relay, control output end a(L2), drive resistance b(R8), bidirectional triode thyristor b(VS2) and control output end c(L6) formation, relay pack vinculum circle (K) and contact switch (Ka), the primary coil of rectifier transformer (TC) has line end a(1) and line end b(2) pick out line end a(1) be connected to the zero line input end (N1) of power supply, line end b(2) be connected to the phase line input end (L1) of power supply, the secondary coil of rectifier transformer (TC) has three groups, three groups of coils are connected mutually, three groups of coils have line end c(3 from top to bottom successively), line end d(4), line end e(5) and line end f(6) pick out, line end e(5) be line end d(4) and line end f(6) center tap, line end c(3) and line end e(5) form the leading-out terminal of low-voltage alternating current power supply, line end e(5) be connected to ground wire, line end d(4) be connected to commutation diode a(VD1) anode, line end f(6) be connected to commutation diode b(VD2) anode, commutation diode a(VD1) negative electrode and commutation diode a(VD2) negative electrode be connected to filter capacitor a(C1) positive pole and the input end of integrated package of pressure-stabilizing (IC1), filter capacitor a(C1) negative pole, the negative pole of integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) negative pole be connected after form ground wire, the output terminal of integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) positive pole be connected after form DC supply (V+), on DC supply (V+), there is DC output end mouth to pick out, water-flow signal input end (A1) is connected to and door a(IC2) first input end, water temperature signal input end (A2) be connected to the first pin of divider resistance (R1) and with door a(IC2) the second input end, the crus secunda of divider resistance (R1) is connected to ground wire, with door a(IC2) output terminal be connected to isolating diode a(VD3) anode, isolating diode a(VD3) negative electrode be connected to drive resistance a(R3) the first pin, drive resistance a(R3) crus secunda be connected to bidirectional triode thyristor a(VS1) the control utmost point, bidirectional triode thyristor a(VS1) negative electrode be connected to ground wire, bidirectional triode thyristor a(VS1) anodic bonding to control output end b(L4), water level signal input end (A3) is connected to and door b(IC3) first input end and the input end of not gate (IC5), manually input end (A4) is connected to and door b(IC3) the second input end and with door c(IC6) the second input end, interlocking signal input end a(A5) and interlocking signal input end b(A6) be connected respectively on two input ends of full-bridge circuit (VDq), the negative pole of full-bridge circuit (VDq) is connected to ground wire, the positive pole of full-bridge circuit (VDq) is connected to and door b(IC3) the second input end and with door c(IC6) the second input end, with door c(IC6) first input end be connected to the output terminal of not gate (IC5), with door b(IC3) output terminal be connected to input end and the isolating diode b(VD5 of transmission gate (IC4)) anode, isolating diode b(VD5) negative electrode be connected to drive resistance a(R3) the first pin, the output terminal of transmission gate (IC4) is connected to the base stage of triode (VT) by biasing resistor (R6), the emitter of triode (VT) is connected to ground wire, the collector of triode (VT) is connected to the anode of clamp diode (VD6) and the output terminal of relay coil (K), the input end of the negative electrode of clamp diode (VD6) and relay coil (K) is connected to DC supply (V+), with door c(IC6) output terminal by driving resistance b(R8) be connected to bidirectional triode thyristor b(VS2) and the control utmost point, bidirectional triode thyristor b(VS2) negative electrode be connected to ground wire, bidirectional triode thyristor b(VS2) anodic bonding to control output end c(L6), the input utmost point of relay contact switch (Ka) is connected to the phase line input end (L1) of power supply, and relay contact switch (Ka) output stage is connected to control output end a(L2).
In the present invention, and door a(IC2) first input end and ground wire between You Bang road resistance a(R2), You Bang road resistance b(R4 between water level signal input end (A3) and ground wire), You Bang road resistance c(R5 between manual input end (A4) and ground wire), the positive pole of full-bridge circuit (VDq) is connected to and door b(IC3 by current-limiting resistance (R7)) the second input end and with door c(IC6) the second input end, when the positive pole of full-bridge circuit (VDq) is connected to and door b(IC3 by current-limiting resistance (R7)) the second input end and with door c(IC6) the second input end time, and door b(IC3) the second input end and and door c(IC6) the second input end and ground wire between have voltage stabilizing diode (VD7), with door a(IC2), with a door b(IC3) and with door c(IC6) respectively for thering is the AND circuit of two input ends, transmission gate (IC4) is substituted by the AND circuit with two input ends, while substituting, two input end parallel connections of AND circuit are an input end, with door a(IC2), with a door b(IC3), with a door c(IC6) and transmission gate (IC4) shared one with door integrated circuit, be connected to DC supply (V+) with the power end of door integrated circuit and the power end of not gate (IC5), be connected to ground wire with the earth terminal of door integrated circuit and the earth terminal of not gate (IC5), driving resistance a(R3) and bidirectional triode thyristor a(VS1) the control utmost point between have light emitting diode (VD4), drive resistance a(R3) crus secunda be connected to the anode of light emitting diode (VD4), the negative electrode of light emitting diode (VD4) is connected to bidirectional triode thyristor a(VS1) the control utmost point, the DC output end mouth picking out on DC supply (V+) comprises DC output end a(V1), DC output end b(V2), DC output end c(V3) and DC output end d(V4), the peripheral components of control circuit comprises water flow switch (Yk), thermistor (Rt), the survey water electrode (D) of reserve tank and hand switch (Sk), two contact electrode of water flow switch (Yk) are connected respectively to DC output end a(V1) and water-flow signal input end (A1) on, two pins of thermistor (Rt) are connected respectively to DC output end b(V2) and water temperature signal input end (A2) on, reserve tank survey water electrode (D) two pins be connected respectively to DC output end c(V3) and water level signal input end (A3) on, two contact electrode of hand switch (Sk) are connected respectively to DC output end d(V4) and manually on input end (A4), in control circuit, have zero-power line loop end (N2), low tension loop end a(L3) and low tension loop end b(L5), zero-power line loop end a(N2) be connected to the zero line input end (N1) of power supply, low tension loop end a(L3) and low tension loop end b(L5) be connected to the line end c(3 of rectifier transformer (TC) secondary coil), the load of control circuit has the coil (YA1) of air pump motor coil (M), backwater solenoid valve and the coil (YA2) of moisturizing solenoid valve, two lead-in wires of air pump motor coil (M) are connected respectively to control output end a(L2) and zero-power line loop end (N2) on, two lead-in wires of backwater electromagnetic valve coil (YA1) are connected respectively to control output end b(L4) and push back terminal a(L3) upper, two lead-in wires of moisturizing electromagnetic valve coil (YA2) are connected respectively to control output end c(L6) and low tension loop end b(L5) on.
In above-mentioned invention, the line end c(3 of rectifier transformer (TC) secondary coil) and line end e(5) between output alternating voltage be 9V, line end d(4) and line end e(5) between output alternating voltage be 4.5V, line end f(6) and line end e(5) between output alternating voltage be 4.5V, line end d(4) with line end f(6) polarity of voltage contrary.
Above-mentioned invention is as the support equipment of automatic regulating device for solar water heater, coordinate automatic regulating device for solar water heater work, in the time that user uses hot water, cold water in the automatic recovery hot-water line and bottom attemperater, avoid the waste that directly discharge causes, need be to attemperater supplementing water time, automatically select the water of former recovery to turn back in attemperater and reuse.Automatic regulating device for solar water heater is made up of cold water recovery tube, backwater solenoid valve, reserve tank, tee ball valve, air pump and control circuit of the present invention, cold water recovery tube is connected between the end and reserve tank of solar water heater Indoor Thermal water pipe, backwater solenoid valve is arranged on cold water recovery tube, cold water recovery tube, from the bottom access of reserve tank, is surveyed water electrode (D) and is arranged on the bottom in reserve tank, the interface of straight-through two ends of tee ball valve is vertical setting, and being close to of tee ball valve connects a mouthful top that is connected to reserve tank, and the straight-through lower end interface of tee ball valve is connected to the exhaust port of air pump, and the straight-through upper end interface of tee ball valve soars aloft to form exhausr port, water flow switch (Yk) is arranged on the import position of solar water heater Indoor Thermal water pipe, thermistor (Rt) is arranged on the position before the shunt interface of Indoor Thermal water pipe, moisturizing solenoid valve is arranged between Indoor Thermal water pipe and running water pipe, the power supply phase line input end (L1) of control circuit, zero line input end (N1) is connected to by power lead and attaching plug on the socket of power supply, solenoid-driven port on solar water heater automatic water level controller is connected to the interlocking signal input end a(A5 of control circuit of the present invention) and interlocking signal input end b(A6) on, realize the interlock control to moisturizing operation.The solenoid valve that described backwater solenoid valve and moisturizing solenoid valve are normally closed structure, the boundary temperature of described cold water and hot water is arranged between 30-36 DEG C.Control circuit of the present invention just can start backwater solenoid valve in the situation that of must having current and water temperature to be cold water in Indoor Thermal water pipe and open, make to flow into voluntarily in reserve tank with the cold water of attemperater bottom in hot-water line, in hot-water line and when the cold water of attemperater bottom flows in reserve tank, air in reserve tank is freely discharged by the straight-through upper end interface of tee ball valve, makes cold water enter smoothly collection box, in the time need carrying out moisturizing to heat-preserving water tank for solar water heater, first control circuit starts backwater solenoid valve and air pump, air pump output squeezing air is in the inner chamber of tee ball valve, pressurized air makes to shift onto on the spherical valve core in inner chamber the upper end of inner chamber, the straight-through upper end exhausr port of tee ball valve is carried out to shutoff, pressurized air connects mouth by being close to of tee ball valve and enters in reserve tank, make reserve tank pressurization, water is turned back in attemperater, after water in attemperater has been mended, control circuit automatically switches to that air pump stops and backwater closed electromagnetic valve, moisturizing solenoid valve is opened, tap water is added in attemperater, in the time that air pump stops, the pressure in reserve tank discharges by the pressure relief opening on tee ball valve, and the spherical valve core in tee ball valve falls back to the lower end of inner chamber, makes the straight-through upper end Exhaust Open of tee ball valve, discharged air while preparing to reclaim cold water next time.
The invention has the beneficial effects as follows: the control circuit of the automatic regulating device for solar water heater providing, coordinate water saving fixtures work, reclaim the cold water in attemperater bottom and hot-water line with intelligent control method, then in the time that attemperater needs moisturizing, automatically the water reclaiming is turned back in attemperater and reused, avoid the directly waste of discharge, realize water saving object.
Brief description of the drawings
Accompanying drawing is the control circuit schematic diagram of a kind of Intelligence Stanza Water System of the present invention.
In figure: 1. line end a, 2. line end b, 3. line end c, 4. line end d, 5. line end e, 6. line end f, R1. divider resistance, R2.Bang road resistance a, R3. drive resistance a, R4.Bang road resistance b, R5.Bang road resistance c, R6. biasing resistor, R7. current-limiting resistance, R8. drive resistance b, Rt. thermistor, C1. filter capacitor a, C2. filter capacitor b, VD1. commutation diode a, VD2. commutation diode b, VD3. isolating diode a, VD4. light emitting diode, VD5. isolating diode b, VD6. clamp diode, VD7. voltage stabilizing diode, VDq. full-bridge circuit, IC1. integrated package of pressure-stabilizing, IC2. with door a, IC3. with door b, IC4. transmission gate, IC5. not gate, IC6. with door c, VT. triode, VS1. bidirectional triode thyristor a, VS2. bidirectional triode thyristor b, K. the coil of relay, Ka. the switch of relay, TC. rectifier transformer, FU. fuse, V+. DC supply, V1. DC output end a, V2. DC output end b, V3. DC output end c, V4. DC output end d, A1. water-flow signal input end, A2. water temperature signal input end, A3. water level signal input end, A4. manual input end, A5. interlocking signal input end a, A6. interlocking signal input end b, N1. the zero line input end of power supply, N2. zero-power line loop end, L1. the phase line input end of power supply, L2. control output end a, L3. low tension loop end a, L4. control output end b, L5. low tension loop end b, L6. control output end c, Yk. water flow switch, D. the survey water electrode of reserve tank, Sk. hand switch, M. air pump motor coil, YA1. the coil of backwater solenoid valve, YA2. the coil of moisturizing solenoid valve.
Embodiment
embodimentin embodiment shown in the drawings, the control circuit of automatic regulating device for solar water heater is made up of power circuit, signal input port, comparator circuit, treatment circuit and executive circuit, wherein, power circuit is by zero line input end (N1), the phase line input end (L1) of power supply, rectifier transformer (TC), the commutation diode a(VD1 of power supply), commutation diode b(VD2), filter capacitor a(C1), integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) form, signal input port comprises water-flow signal input end (A1), water temperature signal input end (A2) water level signal input end (A3), manual input end (A4), interlocking signal input end a(A5) and interlocking signal input end b(A6), comparator circuit by divider resistance (R1), with door an a(IC2) and isolating diode a(VD3) formation, treatment circuit by full-bridge circuit (VDq), with a door b(IC3), isolating diode b(VD5), transmission gate (IC4), not gate (IC5) and with door c(IC6) form, executive circuit comprises that cold water reclaims executive circuit and moisturizing executive circuit, cold water reclaim executive circuit by driving resistance a(R3), bidirectional triode thyristor a(VS1) and control output end b(L4) formation, moisturizing executive circuit is by biasing resistor (R6), triode (VT), clamp diode (VD6), relay, control output end a(L2), drive resistance b(R8), bidirectional triode thyristor b(VS2) and control output end c(L6) formation, relay pack vinculum circle (K) and contact switch (Ka), the primary coil of rectifier transformer (TC) has line end a(1) and line end b(2) pick out line end a(1) be connected to the zero line input end (N1) of power supply, line end b(2) be connected to the phase line input end (L1) of power supply, the secondary coil of rectifier transformer (TC) has three groups, three groups of coils are connected mutually, three groups of coils have line end c(3 from top to bottom successively), line end d(4), line end e(5) and line end f(6) pick out, line end e(5) be line end d(4) and line end f(6) center tap, line end c(3) and line end e(5) form the leading-out terminal of low-voltage alternating current power supply, line end e(5) be connected to ground wire, line end d(4) be connected to commutation diode a(VD1) anode, line end f(6) be connected to commutation diode b(VD2) anode, commutation diode a(VD1) negative electrode and commutation diode a(VD2) negative electrode be connected to filter capacitor a(C1) positive pole and the input end of integrated package of pressure-stabilizing (IC1), filter capacitor a(C1) negative pole, the negative pole of integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) negative pole be connected after form ground wire, the output terminal of integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) positive pole be connected after form DC supply (V+), on DC supply (V+), there is DC output end mouth to pick out, DC output end mouth comprises DC output end a(V1), DC output end b(V2), DC output end c(V3) and DC output end d(V4), water-flow signal input end (A1) is connected to and door a(IC2) first input end He Bang road resistance a(R2) the first pin, be close to road resistance a(R2) crus secunda be connected to ground wire, water temperature signal input end (A2) be connected to the first pin of divider resistance (R1) and with door a(IC2) the second input end, the crus secunda of divider resistance (R1) is connected to ground wire, with door a(IC2) output terminal be connected to isolating diode a(VD3) anode, isolating diode a(VD3) negative electrode be connected to drive resistance a(R3) the first pin, drive resistance a(R3) crus secunda be connected to the anode of light emitting diode (VD4), the negative electrode of light emitting diode (VD4) is connected to bidirectional triode thyristor a(VS1) the control utmost point, bidirectional triode thyristor a(VS1) negative electrode be connected to ground wire, bidirectional triode thyristor a(VS1) anodic bonding to control output end b(L4), water level signal input end (A3) is connected to and door b(IC3) first input end, the input end He Bang road resistance b(R4 of not gate (IC5)) the first pin, be close to road resistance b(R4) crus secunda be connected to ground wire, manually input end (A4) is connected to and door b(IC3) the second input end, with door c(IC6) the second input end He Bang road resistance c(R5) the first pin, be close to road resistance c(R5) crus secunda be connected to ground wire, interlocking signal input end a(A5) and interlocking signal input end b(A6) be connected respectively on two input ends of full-bridge circuit (VDq), the negative pole of full-bridge circuit (VDq) is connected to ground wire, the positive pole of full-bridge circuit (VDq) is connected to the first pin of current-limiting resistance (R7), the crus secunda of current-limiting resistance (R7) is connected to and door b(IC3) the second input end, with door c(IC6) the second input end and the negative electrode of voltage stabilizing diode (VD7), the anodic bonding of voltage stabilizing diode (VD7) is to ground wire, with door c(IC6) first input end be connected to the output terminal of not gate (IC5), with door b(IC3) output terminal be connected to input end and the isolating diode b(VD5 of transmission gate (IC4)) anode, isolating diode b(VD5) negative electrode be connected to drive resistance a(R3) the first pin, the output terminal of transmission gate (IC4) is connected to the base stage of triode (VT) by biasing resistor (R6), the emitter of triode (VT) is connected to ground wire, the collector of triode (VT) is connected to the anode of clamp diode (VD6) and the output terminal of relay coil (K), the input end of the negative electrode of clamp diode (VD6) and relay coil (K) is connected to DC supply (V+), with door c(IC6) output terminal by driving resistance b(R8) be connected to bidirectional triode thyristor b(VS2) and the control utmost point, bidirectional triode thyristor b(VS2) negative electrode be connected to ground wire, bidirectional triode thyristor b(VS2) anodic bonding to control output end c(L6), the input utmost point of relay contact switch (Ka) is connected to the phase line input end (L1) of power supply, and relay contact switch (Ka) output stage is connected to control output end a(L2).In the present embodiment, the line end c(3 of rectifier transformer (TC) secondary coil) and line end e(5) between output alternating voltage be 9V, line end d(4) and line end e(5) between output alternating voltage be 4.5V, line end f(6) and line end e(5) between output alternating voltage be 4.5V, line end d(4) with line end f(6) polarity of voltage contrary, with door a(IC2), with a door b(IC3) and with door c(IC6) respectively for thering is the AND circuit of two input ends, transmission gate (IC4) is substituted by the AND circuit with two input ends, while substituting, two input end parallel connections of AND circuit are an input end, with door a(IC2), with a door b(IC3), with a door c(IC6) and transmission gate (IC4) 42 inputs that to share model be CC4081 with cmos digital integrated circuit, it is the hex inverter cmos digital integrated circuit that has Schmidt trigger of CC40106 that not gate (IC5) is selected model, and the input end of unnecessary five not gates is connected to ground wire, CC4081 is connected to DC supply (V+) with the door power end of integrated circuit and the power end of CC40106 ungated integrated circuit, and CC4081 is connected to ground wire with the door earth terminal of integrated circuit and the earth terminal of CC40106 ungated integrated circuit, the peripheral components of control circuit comprises water flow switch (Yk), thermistor (Rt), the survey water electrode (D) of reserve tank and hand switch (Sk), two contact electrode of water flow switch (Yk) are connected respectively to DC output end a(V1) and water-flow signal input end (A1) on, two pins of thermistor (Rt) are connected respectively to DC output end b(V2) and water temperature signal input end (A2) on, reserve tank survey water electrode (D) two pins be connected respectively to DC output end c(V3) and water level signal input end (A3) on, two contact electrode of hand switch (Sk) are connected respectively to DC output end d(V4) and manually on input end (A4), in control circuit, have zero-power line loop end (N2), low tension loop end a(L3) and low tension loop end b(L5), zero-power line loop end a(N2) be connected to the zero line input end (N1) of power supply, low tension loop end a(L3) and low tension loop end b(L5) be connected to the line end c(3 of rectifier transformer (TC) secondary coil), the load of control circuit has the coil (YA1) of air pump motor coil (M), backwater solenoid valve and the coil (YA2) of moisturizing solenoid valve, two lead-in wires of air pump motor coil (M) are connected respectively to control output end a(L2) and zero-power line loop end (N2) on, two lead-in wires of backwater electromagnetic valve coil (YA1) are connected respectively to control output end b(L4) and push back terminal a(L3) upper, two lead-in wires of moisturizing electromagnetic valve coil (YA2) are connected respectively to control output end c(L6) and low tension loop end b(L5) on.
The present embodiment, as the support equipment of automatic regulating device for solar water heater, coordinates automatic regulating device for solar water heater work.Automatic regulating device for solar water heater is made up of the control circuit of cold water recovery tube, backwater solenoid valve, reserve tank, tee ball valve, air pump and the present embodiment, cold water recovery tube is connected between the Indoor Thermal water pipe end and reserve tank of solar water heater, backwater solenoid valve is arranged on cold water recovery tube, cold water recovery tube, from the bottom access of reserve tank, is surveyed water electrode (D) and is arranged on the bottom in reserve tank, the interface of straight-through two ends of tee ball valve is vertical setting, and being close to of tee ball valve connects a mouthful top that is connected to reserve tank, and the straight-through lower end interface of tee ball valve is connected to the exhaust port of air pump, and the straight-through upper end interface of tee ball valve soars aloft to form exhausr port, water flow switch (Yk) is arranged on the import position of solar water heater Indoor Thermal water pipe, thermistor (Rt) is arranged on the position before the shunt interface of Indoor Thermal water pipe, moisturizing solenoid valve is arranged between Indoor Thermal water pipe and running water pipe, the power supply phase line input end (L1) of control circuit, zero line input end (N1) is connected to by power lead and attaching plug on the socket of power supply, solenoid-driven port on solar water heater automatic water level controller is connected to the interlocking signal input end a(A5 of the present embodiment control circuit) upper and interlocking signal input end b(A6) on, realize the interlock control to moisturizing operation.In the present embodiment, backwater solenoid valve and moisturizing solenoid valve are selected the solenoid valve of normally closed structure; The boundary temperature of cold water and hot water is arranged between 30-36 DEG C, determines by debugging thermistor (Rt) and the numerical value of divider resistance (R1).
The present embodiment is in the time of application, once user opens hot water tap, in indoor hot-water line, just produce current, make water flow switch (Yk) closure, with door a(IC2) first input end be high level, at this moment, water temperature in hot-water line is lower than design temperature, voltage between thermistor (Rt) and divider resistance (R1) is by higher than 2/3 of direct-current working volts, with door a(IC2) the second input end be opened, with door a(IC2) output terminal be reversed to high level, with door a(IC2) high level of output terminal is by isolating diode a(VD3), drive resistance a(R3) and light emitting diode (VD4) be input to bidirectional triode thyristor a(VS1) the control utmost point, make bidirectional triode thyristor a(VS1) conducting, control output end b(L4) and low tension loop end a(L3) energising of coil (YA1) to backwater solenoid valve, backwater solenoid valve is opened, cold water in hot-water line and bottom attemperater flows in reserve tank voluntarily, at this moment, light emitting diode (VD4) is lighted, indicating device is reclaiming cold water, user can temporary close hot water tap, wait for that light emitting diode (VD4) extinguishes, open again hot water tap, just there is hot water to use, in hot-water line and when the cold water of attemperater bottom flows in reserve tank, the air in reserve tank is freely discharged by the straight-through upper end interface of tee ball valve, makes cold water enter smoothly collection box, after the cooled water discharge in attemperater bottom and hot-water line, voltage between thermistor (Rt) and divider resistance (R1) is by lower than 1/3 of direct-current working volts, with door a(IC2) the second input end be blocked, with door a(IC2) output terminal be reversed to low level, make bidirectional triode thyristor a(VS1) cut-off, coil (YA1) power-off of backwater solenoid valve, backwater closed electromagnetic valve, stops to reserve tank water inlet, at this moment, light emitting diode (VD4) extinguishes, and instruction cold water reclaims complete.In the time that user's solar water heater is automatic water supplement, the controller of solar water heater and the control circuit of the present embodiment are interlocked.In the time that the controller of solar water heater carries out moisturizing operation automatically, at the interlocking signal input end a(A5 of the present embodiment control circuit) and interlocking signal input end b(A6) just have signal to pass through full-bridge circuit (VDq) to be input to and door b(IC3) the second input end and with door c(IC6) the second input end, simultaneously, between survey water electrode (D) two utmost points of reserve tank bottom by the water short circuit in reserve tank, make and door b(IC3) first input end be high level, with door b(IC3) output terminal be high level, with door b(IC3) high level of output terminal is input to the base stage of triode (VT) by transmission gate (IC4) and biasing resistor (R6), make triode (VT) conducting, the coil (K) of relay obtains electric, switch (Ka) closure of relay, control output end a(L2) and zero-power line loop end (N2) air pump motor coil (M) is switched on, air pump operation, air pump exhaust port output squeezing air is in the inner chamber of tee ball valve, pressurized air makes to shift onto on the spherical valve core in tee ball valve inner chamber the upper end of inner chamber, the straight-through upper end exhausr port of tee ball valve is carried out to shutoff, pressurized air connects mouth by being close to of tee ball valve and enters in reserve tank, make reserve tank mineralization pressure, glassware for drinking water in reserve tank has the kinetic energy that returns to warming solar energy water tank, simultaneously, with door b(IC3) high level of output terminal is by isolating diode b(VD5), drive resistance a(R3) and light emitting diode (VD4) be input to bidirectional triode thyristor a(VS1) the control utmost point, make bidirectional triode thyristor a(VS1) conducting, control output end b(L4) and low tension loop end a(L3) energising of coil (YA1) to backwater solenoid valve, backwater solenoid valve is opened, the water in reserve tank is turned back in attemperater.After water in attemperater has been mended, surveying water electrode (D) does not reach water and opens a way, make and door b(IC3) first input end be low level, with door b(IC3) output terminal be reversed to low level, make bidirectional triode thyristor a(VS1) and triode (VT) cut-off, the coil (YA1) of backwater solenoid valve and air pump motor coil (M) power-off, backwater closed electromagnetic valve and air pump stop, simultaneously, surveying water electrode (D) open circuit makes the input end of not gate (IC5) be low level, the output terminal of not gate (IC5) and with door c(IC6) input end be reversed to high level, with door c(IC6) output terminal be high level, with door c(IC6) high level of output terminal is by driving resistance b(R8) be input to bidirectional triode thyristor b(VS2) and the control utmost point, make bidirectional triode thyristor b(VS2) conducting, control output end c(L6) and low tension loop end b(L5) coil (YA2) to moisturizing solenoid valve switches on, moisturizing solenoid valve is opened, tap water is added in warming solar energy water tank, until the water in attemperater fills, interlocking signal input end a(A5) and interlocking signal input end b(A6) loss signal, with door c(IC6) the second input end be low level, with door c(IC6) output terminal be reversed to low level, bidirectional triode thyristor b(VS2) cut-off, make moisturizing closed electromagnetic valve, stop moisturizing.In the time that air pump stops, the pressure in reserve tank discharges by the pressure relief opening on tee ball valve, and the spherical valve core in tee ball valve falls back to the lower end of inner chamber, makes the straight-through upper end Exhaust Open of tee ball valve, discharged air while preparing to reclaim cold water next time.In the time that user's solar water heater is manual type moisturizing, as carried out moisturizing to solar water heater, hand switch (Sk) can manually close, high level is input to and door b(IC3) the second input end and with door c(IC6) the second input end, carry out moisturizing operation, control circuit is also first the water in reserve tank to be turned back in the attemperater of solar water heater, after the water in reserve tank is finished, then is switched to tap water and carries out moisturizing.
The control circuit of the present embodiment just can start backwater solenoid valve in the situation that of must having current and water temperature to be cold water in Indoor Thermal water pipe and open, make to flow into voluntarily in reserve tank with the cold water of attemperater bottom in hot-water line, in hot-water line, just continue to form current, water flow switch (Yk) remains closed, until cold water recovery is complete; The interlocking signal of solar water heater automatic water supplement is linked in the control circuit of the present embodiment by full-bridge circuit (VDq), can distinguishes that polarity arbitrarily accesses; Current limiting resistance (R7) and voltage stabilizing diode (VD7) in control circuit, can be limited to the interlocking signal amplitude of input in the operating voltage of this control circuit, prevents component wear and make circuit working stable.
Claims (7)
1. the control circuit of an automatic regulating device for solar water heater, it is characterized in that control circuit is made up of power circuit, signal input port, comparator circuit, treatment circuit and executive circuit, wherein, power circuit is by zero line input end (N1), the phase line input end (L1) of power supply, rectifier transformer (TC), the commutation diode a(VD1 of power supply), commutation diode b(VD2), filter capacitor a(C1), integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) form; Signal input port comprises water-flow signal input end (A1), water temperature signal input end (A2) water level signal input end (A3), manual input end (A4), interlocking signal input end a(A5) and interlocking signal input end b(A6); Comparator circuit by divider resistance (R1), with door an a(IC2) and isolating diode a(VD3) formation; Treatment circuit by full-bridge circuit (VDq), with a door b(IC3), isolating diode b(VD5), transmission gate (IC4), not gate (IC5) and with door c(IC6) form; Executive circuit comprises that cold water reclaims executive circuit and moisturizing executive circuit, cold water reclaim executive circuit by driving resistance a(R3), bidirectional triode thyristor a(VS1) and control output end b(L4) formation, moisturizing executive circuit is by biasing resistor (R6), triode (VT), clamp diode (VD6), relay, control output end a(L2), drive resistance b(R8), bidirectional triode thyristor b(VS2) and control output end c(L6) formation, relay pack vinculum circle (K) and contact switch (Ka);
The primary coil of rectifier transformer (TC) has line end a(1) and line end b(2) pick out line end a(1) be connected to the zero line input end (N1) of power supply, line end b(2) be connected to the phase line input end (L1) of power supply, the secondary coil of rectifier transformer (TC) has three groups, three groups of coils are connected mutually, three groups of coils have line end c(3 from top to bottom successively), line end d(4), line end e(5) and line end f(6) pick out, line end e(5) be line end d(4) and line end f(6) center tap, line end c(3) and line end e(5) form the leading-out terminal of low-voltage alternating current power supply, line end e(5) be connected to ground wire, line end d(4) be connected to commutation diode a(VD1) anode, line end f(6) be connected to commutation diode b(VD2) anode, commutation diode a(VD1) negative electrode and commutation diode a(VD2) negative electrode be connected to filter capacitor a(C1) positive pole and the input end of integrated package of pressure-stabilizing (IC1), filter capacitor a(C1) negative pole, the negative pole of integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) negative pole be connected after form ground wire, the output terminal of integrated package of pressure-stabilizing (IC1) and filter capacitor b(C2) positive pole be connected after form DC supply (V+), on DC supply (V+), there is DC output end mouth to pick out,
Water-flow signal input end (A1) is connected to and door a(IC2) first input end, water temperature signal input end (A2) be connected to the first pin of divider resistance (R1) and with door a(IC2) the second input end, the crus secunda of divider resistance (R1) is connected to ground wire, with door a(IC2) output terminal be connected to isolating diode a(VD3) anode, isolating diode a(VD3) negative electrode be connected to drive resistance a(R3) the first pin, drive resistance a(R3) crus secunda be connected to bidirectional triode thyristor a(VS1) the control utmost point, bidirectional triode thyristor a(VS1) negative electrode be connected to ground wire, bidirectional triode thyristor a(VS1) anodic bonding to control output end b(L4),
Water level signal input end (A3) is connected to and door b(IC3) first input end and the input end of not gate (IC5), manually input end (A4) is connected to and door b(IC3) the second input end and with door c(IC6) the second input end, interlocking signal input end a(A5) and interlocking signal input end b(A6) be connected respectively on two input ends of full-bridge circuit (VDq), the negative pole of full-bridge circuit (VDq) is connected to ground wire, the positive pole of full-bridge circuit (VDq) is connected to and door b(IC3) the second input end and with door c(IC6) the second input end, with door c(IC6) first input end be connected to the output terminal of not gate (IC5), with door b(IC3) output terminal be connected to input end and the isolating diode b(VD5 of transmission gate (IC4)) anode, isolating diode b(VD5) negative electrode be connected to drive resistance a(R3) the first pin, the output terminal of transmission gate (IC4) is connected to the base stage of triode (VT) by biasing resistor (R6), the emitter of triode (VT) is connected to ground wire, the collector of triode (VT) is connected to the anode of clamp diode (VD6) and the output terminal of relay coil (K), the input end of the negative electrode of clamp diode (VD6) and relay coil (K) is connected to DC supply (V+), with door c(IC6) output terminal by driving resistance b(R8) be connected to bidirectional triode thyristor b(VS2) and the control utmost point, bidirectional triode thyristor b(VS2) negative electrode be connected to ground wire, bidirectional triode thyristor b(VS2) anodic bonding to control output end c(L6), the input utmost point of relay contact switch (Ka) is connected to the phase line input end (L1) of power supply, and relay contact switch (Ka) output stage is connected to control output end a(L2).
2. the control circuit of a kind of automatic regulating device for solar water heater according to claim 1, it is characterized in that and door a(IC2) first input end and ground wire between You Bang road resistance a(R2); You Bang road resistance b(R4 between water level signal input end (A3) and ground wire); You Bang road resistance c(R5 between manual input end (A4) and ground wire).
3. the control circuit of a kind of automatic regulating device for solar water heater according to claim 1, is characterized in that the positive pole of full-bridge circuit (VDq) is connected to and door b(IC3 by current-limiting resistance (R7)) the second input end and with door c(IC6) the second input end; When the positive pole of full-bridge circuit (VDq) is connected to and door b(IC3 by current-limiting resistance (R7)) the second input end and with door c(IC6) the second input end time, and door b(IC3) the second input end and and door c(IC6) the second input end and ground wire between have voltage stabilizing diode (VD7).
4. the control circuit of a kind of automatic regulating device for solar water heater according to claim 1, it is characterized in that and door a(IC2), with a door b(IC3) and with door c(IC6) respectively for thering is the AND circuit of two input ends, transmission gate (IC4) is substituted by the AND circuit with two input ends, while substituting, two input end parallel connections of AND circuit are an input end; With door a(IC2), with a door b(IC3), with a door c(IC6) and transmission gate (IC4) shared one with door integrated circuit, be connected to DC supply (V+) with the power end of door integrated circuit and the power end of not gate (IC5), be connected to ground wire with the earth terminal of door integrated circuit and the earth terminal of not gate (IC5).
5. the control circuit of a kind of automatic regulating device for solar water heater according to claim 1, it is characterized in that driving resistance a(R3) and bidirectional triode thyristor a(VS1) the control utmost point between have light emitting diode (VD4), drive resistance a(R3) crus secunda be connected to the anode of light emitting diode (VD4), the negative electrode of light emitting diode (VD4) is connected to bidirectional triode thyristor a(VS1) the control utmost point.
6. the control circuit of a kind of automatic regulating device for solar water heater according to claim 1, is characterized in that the DC output end mouth picking out on DC supply (V+) comprises DC output end a(V1), DC output end b(V2), DC output end c(V3) and DC output end d(V4), the peripheral components of control circuit comprises water flow switch (Yk), thermistor (Rt), the survey water electrode (D) of reserve tank and hand switch (Sk), two contact electrode of water flow switch (Yk) are connected respectively to DC output end a(V1) and water-flow signal input end (A1) on, two pins of thermistor (Rt) are connected respectively to DC output end b(V2) and water temperature signal input end (A2) on, reserve tank survey water electrode (D) two pins be connected respectively to DC output end c(V3) and water level signal input end (A3) on, two contact electrode of hand switch (Sk) are connected respectively to DC output end d(V4) and manually on input end (A4).
7. the control circuit of a kind of automatic regulating device for solar water heater according to claim 1, it is characterized in that in control circuit, having zero-power line loop end (N2), low tension loop end a(L3) and low tension loop end b(L5), zero-power line loop end a(N2) be connected to the zero line input end (N1) of power supply, low tension loop end a(L3) and low tension loop end b(L5) be connected to the line end c(3 of rectifier transformer (TC) secondary coil); The load of control circuit has the coil (YA1) of air pump motor coil (M), backwater solenoid valve and the coil (YA2) of moisturizing solenoid valve, two lead-in wires of air pump motor coil (M) are connected respectively to control output end a(L2) and zero-power line loop end (N2) on, two lead-in wires of backwater electromagnetic valve coil (YA1) are connected respectively to control output end b(L4) and push back terminal a(L3) upper, two lead-in wires of moisturizing electromagnetic valve coil (YA2) are connected respectively to control output end c(L6) and low tension loop end b(L5) on.
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Effective date of registration: 20190924 Address after: 314000 Room 533 of 11 Standard Workshops in A-02 Block, Second Phase Industrial Zone, Tongxiang Economic Development Zone, Jiaxing City, Zhejiang Province Patentee after: ZHEJIANG LANGSONG INTELLIGENT POWER EQUIPMENT CO.,LTD. Address before: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-1512 Patentee before: ANHUI YINGLONG INDUSTRIAL DESIGN Co.,Ltd. |