CN104035354B - 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 212
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 12
- 239000010703 silicon Substances 0.000 claims abstract description 12
- 230000003020 moisturizing effect Effects 0.000 claims description 27
- 230000001105 regulatory effect Effects 0.000 claims description 17
- 210000001699 lower leg Anatomy 0.000 claims description 12
- 230000005611 electricity Effects 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000002955 isolation Methods 0.000 abstract description 3
- 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 9
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000004247 hand Anatomy 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, it is related specifically to a kind of control circuit of water saving fixtures.
Background technology
Water is necessary, with the development of China's urbanization, the use of city tap-water in people's life and production activity
Amount is on the increase.Water is not inexhaustible, nexhaustible, and northern China most area all has serious water shortage situation,
Using water wisely will be done from drop.People are in the hot water using solar water heater or other hot water facility it is necessary to first hot
Cold water in the cold water of water tank bottom and pipeline discharges in advance, then just has hot water to flow out, if the cold water of discharge not carried out back
Receive, valuable water resource will be wasted, by water saving fixtures, the cold water in heat-preserving water tank for solar water heater bottom and pipeline is returned
Receive and recycle, realize using water wisely.Existing water saving fixtures need to pass through artificial selection's reclaimer operation, or need to return after being filtered
Receive and utilize, have the shortcomings that bulky, complex structure, operation are loaded down with trivial details or high cost is difficult to promote.
Chinese Patent Application No. 2014102626931 discloses " a kind of water saving fixtures of solar water heater ", is arranged on
Use on the indoor hot-water line of solar water heater, carry out reclaiming in attemperater bottom and hot-water line with intelligent control method
Cold water, then returns in attemperater when attemperater needs moisturizing and reuses, it is to avoid the waste that direct discharge causes.
This device needs supporting control circuit.
Content of the invention
The invention aims to providing supporting control circuit, cooperation water saving dress for the water saving fixtures of solar water heater
Put work, carry out reclaiming the cold water in attemperater bottom and hot-water line, it is to avoid the directly waste of discharge, realize water saving purpose.
The control circuit of the automatic regulating device for solar water heater of the present invention, is characterized in that control circuit by power circuit, letter
Number input port, comparison circuit, process circuit and execution circuit composition, wherein, power circuit is by the zero line input of power supply
（N1）, the phase line input of power supply（L1）, rectifier transformer（TC）, commutation diode a（VD1）, commutation diode b（VD2）, filter
Ripple capacitor a（C1）, integrated package of pressure-stabilizing（IC1）With filter capacitor b（C2）Constitute；It is defeated that signal input port includes water-flow signal
Enter end（A1）, water temperature signal input（A2）, water level signal input（A3）, manual input（A4）, interlocking signal input a
（A5）With interlocking signal input b（A6）；Comparison circuit is by divider resistance（R1）, and door a（IC2）With isolating diode a（VD3）
Constitute；Process circuit is by full-bridge circuit（VDq）, and door b（IC3）, isolating diode b（VD5）, transmission gate（IC4）, not gate
（IC5）And with door c（IC6）Constitute；Execution circuit includes cold water and reclaims execution circuit and moisturizing execution circuit, and cold water reclaims execution
Circuit is by driving resistance a（R3）, bidirectional triode thyristor a（VS1）With control output end b（L4）Constitute, moisturizing execution circuit is by biasing
Resistance（R6）, audion（VT）, clamp diode（VD6）, relay, control output end a（L2）, drive resistance b（R8）, two-way
Controllable silicon b（VS2）With control output end c（L6）Constitute, relay includes coil（K）And contact switch（Ka）；Rectifier transformer
（TC）Primary coil have line end a（1）With line end b（2）Pick out, line end a（1）It is connected to the zero line input of power supply（N1）, line
End b（2）It is connected to the phase line input of power supply（L1）；Rectifier transformer（TC）Secondary coil have three groups, three groups of coils are mutual
Series connection, three groups of coils have line end c from top to bottom successively（3）, line end d（4）, line end e（5）With line end f（6）Pick out, line end e（5）
For line end d（4）With line end f（6）Centre cap, line end c（3）With line end e（5）Constitute the leading-out terminal of low-voltage alternating current power supply, line
End e（5）It is connected to ground wire, line end d（4）It is connected to commutation diode a（VD1）Anode, line end f（6）It is connected to rectification two pole
Pipe b（VD2）Anode, commutation diode a（VD1）Negative electrode and commutation diode b（VD2）Negative electrode be connected to filter capacitor
a（C1）Positive pole and integrated package of pressure-stabilizing（IC1）Input, filter capacitor a（C1）Negative pole, integrated package of pressure-stabilizing（IC1）'s
Negative pole and filter capacitor b（C2）Negative pole connect after constitute ground wire, integrated package of pressure-stabilizing（IC1）Outfan and filter capacitor
b（C2）Positive pole connect after constitute DC supply V+, DC supply V+ has direct current output port pick out；Current
Signal input part（A1）It is connected to and door a（IC2）First input end, water temperature signal input（A2）It is connected to divider resistance
（R1）The first foot and with door a（IC2）The second input, divider resistance（R1）Crus secunda be connected to ground wire, with door a
（IC2）Outfan be connected to isolating diode a（VD3）Anode, isolating diode a（VD3）Negative electrode be connected to driving electricity
Resistance a（R3）The first foot, drive resistance a（R3）Crus secunda be connected to bidirectional triode thyristor a（VS1）Control pole, two-way controlled
Silicon a（VS1）Negative electrode be connected to ground wire, bidirectional triode thyristor a（VS1）Anode be connected to control output end b（L4）；Water level signal
Input（A3）It is connected to and door b（IC3）First input end and not gate（IC5）Input, manual input（A4）Connect
Arrive and door b（IC3）The second input and with door c（IC6）The second input, interlocking signal input a（A5）And chain letter
Number input b（A6）It is connected respectively to full-bridge circuit（VDq）Two inputs on, full-bridge circuit（VDq）Negative pole be connected to
Ground wire, full-bridge circuit（VDq）Positive pole be connected to and door b（IC3）The second input and with door c（IC6）The second input,
With door c（IC6）First input end be connected to not gate（IC5）Outfan, with door b（IC3）Outfan be connected to transmission gate
（IC4）Input and isolating diode b（VD5）Anode, isolating diode b（VD5）Negative electrode be connected to driving resistance a
（R3）The first foot, transmission gate（IC4）Outfan pass through biasing resistor（R6）It is connected to audion（VT）Base stage, audion
（VT）Emitter stage be connected to ground wire, audion（VT）Colelctor electrode be connected to clamp diode（VD6）Anode and relay
Coil（K）Outfan, clamp diode（VD6）Negative electrode and relay coil（K）Input be connected to DC operation electricity
Source V+；With door c（IC6）Outfan pass through drive resistance b（R8）It is connected to bidirectional triode thyristor b（VS2）Control pole, two-way can
Control silicon b（VS2）Negative electrode be connected to ground wire, bidirectional triode thyristor b（VS2）Anode be connected to control output end c（L6）；Relay
Contact switch（Ka）Input pole be connected to the phase line input of power supply（L1）, relay contact switch（Ka）Output stage is connected to
Control output end a（L2）.
In the present invention, with door a（IC2）First input end and ground wire between You Bang road resistance a（R2）；In water level signal
Input（A3）You Bang road resistance b and ground wire between（R4）；In manual input（A4）You Bang road resistance c and ground wire between
（R5）；Full-bridge circuit（VDq）Positive pole pass through current-limiting resistance（R7）It is connected to and door b（IC3）The second input and with door c
（IC6）The second input；Work as full-bridge circuit（VDq）Positive pole pass through current-limiting resistance（R7）It is connected to and door b（IC3）Second
Input and with door c（IC6）The second input when, with door b（IC3）The second input and with door c（IC6）Second defeated
Enter and have Zener diode between end and ground wire（VD7）；With door a（IC2）, and door b（IC3）And with door c（IC6）It is respectively that there are two
Input and gate circuit, transmission gate（IC4）By there are two inputs with gate circuit carry out alternative, when alternative, with door electricity
Two inputs on road are in parallel to be an input；With door a（IC2）, and door b（IC3）, and door c（IC6）And transmission gate（IC4）
Share one with door integrated circuit, power end and the not gate with door integrated circuit（IC5）Power end be connected to DC operation electricity
Source V+, earth terminal and the not gate with door integrated circuit（IC5）Earth terminal be connected to ground wire；Driving resistance a（R3）With two-way
Controllable silicon a（VS1）Control pole between have light emitting diode（VD4）, drive resistance a（R3）Crus secunda be connected to light-emitting diodes
Pipe（VD4）Anode, light emitting diode（VD4）Negative electrode be connected to bidirectional triode thyristor a（VS1）Control pole；In DC operation
The direct current output port picking out on power supply V+ includes DC output end a（V1）, DC output end b（V2）, DC output end c（V3）
With DC output end d（V4）；The peripheral components of control circuit include water flow switch（Yk）, critesistor（Rt）, the survey of storage tank
Water electrode（D）And hand switch（Sk）, water flow switch（Yk）Two contact electrode be connected respectively to DC output end a（V1）With
Water-flow signal input（A1）On, critesistor（Rt）Two pins be connected respectively to DC output end b（V2）With water temperature letter
Number input（A2）On, water electrode surveyed by storage tank（D）Two pins be connected respectively to DC output end c（V3）And water level signal
Input（A3）On, hand switch（Sk）Two contact electrode be connected respectively to DC output end d（V4）And manual input
（A4）On；There is zero-power line loop end in control circuit（N2）, low tension loop end a（L3）With low tension loop end b（L5）, power supply zero
Line loop end a（N2）It is connected to the zero line input of power supply（N1）, low tension loop end a（L3）With low tension loop end b（L5）Connect
To rectifier transformer（TC）The line end c of secondary coil（3）；Control circuit be loaded with air pump motor coil（M）, backwater electromagnetic valve
Coil（YA1）Coil with moisturizing electromagnetic valve（YA2）, air pump motor coil（M）Two leads be connected respectively to control defeated
Go out to hold a（L2）With zero-power line loop end（N2）On, backwater electromagnetic valve coil（YA1）Two leads be connected respectively to control defeated
Go out to hold b（L4）With push back terminal a（L3）On, moisturizing electromagnetic valve coil（YA2）Two leads be connected respectively to control output end c
（L6）With low tension loop end b（L5）On.
In above-mentioned invention, rectifier transformer（TC）The line end c of secondary coil（3）With line end e（5）Between output exchange
Voltage is 9V, line end d（4）With line end e（5）Between output alternating voltage be 4.5V, line end f（6）With line end e（5）Between defeated
The alternating voltage going out is 4.5V, line end d（4）With line end f（6）Polarity of voltage contrary.
Above-mentioned invention, as the corollary equipment of automatic regulating device for solar water heater, coordinates automatic regulating device for solar water heater
Work, when user uses hot water, reclaims the cold water of in hot-water line and attemperater bottom, it is to avoid directly discharge causes automatically
Waste, when water need to be supplemented to attemperater, automatically select the water former recovery and return in attemperater and reused.
Automatic regulating device for solar water heater by cold water recovery tube, backwater electromagnetic valve, storage tank, tee ball valve, air pump and the present invention control
Circuit composition processed, cold water recovery tube is connected between end and the storage tank of solar water heater interior hot-water line, backwater electromagnetism
Valve is arranged on cold water recovery tube, and cold water recovery tube accesses from the bottom of storage tank, surveys water electrode（D）It is arranged in storage tank
Bottom；The interface at straight-through two ends of tee ball valve is vertical setting, and being close to of tee ball valve connects the top that mouth is connected to storage tank,
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 constitute aerofluxuss
Mouthful；Water flow switch（Yk）It is arranged on the import position of solar water heater interior hot-water line, critesistor（Rt）It is disposed in the interior
Position before the branch interface of hot-water line, moisturizing electromagnetic valve is arranged between indoor hot-water line and running water pipe, control circuit
Power supply phase line input（L1）, zero line input（N1）It is connected to the socket of power supply by power line and attaching plug
On, the solenoid-driven port on solar water heater automatic water level controller is connected to the chain letter of control circuit of the present invention
Number input a（A5）With interlocking signal input b（A6）On, realize the coordinated signals to water-refilling operation.Described backwater electromagnetism
Valve and the electromagnetic valve that moisturizing electromagnetic valve is normally closed structure, the division temperature of described cold water and hot water is arranged between 30-36 DEG C.
The control circuit of the present invention must have current indoors in hot-water line and water temperature is just to start backwater electromagnetism in the case of cold water
Valve is opened, and makes in hot-water line and the cold water of attemperater bottom voluntarily flows in storage tank, with attemperater bottom in hot-water line
When the cold water in portion flows in storage tank, the air in storage tank is freely discharged by the straight-through upper end interface of tee ball valve, makes cold water
Smoothly enter collection box；When carrying out moisturizing to heat-preserving water tank for solar water heater, control circuit starts backwater electromagnetism first
Valve and air pump, air pump output squeezing air, in the inner chamber of tee ball valve, the spherical valve core that compressed air makes in inner chamber is shifted onto
The upper end of inner chamber, is blocked the straight-through upper end air vent of tee ball valve, and compressed air is connected mouth and entered by being close to of tee ball valve
Enter in storage tank, so that storage tank is pressurizeed, water is returned in attemperater, after the water in attemperater has been mended, control circuit
Automatically switch to air pump stopping and backwater closed electromagnetic valve, moisturizing electromagnetic valve are opened, tap water is added in attemperater；?
When air pump stops, the pressure in storage tank is discharged by the pressure relief opening on tee ball valve, the spherical valve core in tee ball valve
Fall back to the lower end of inner chamber, make the straight-through upper end Exhaust Open of tee ball valve, prepare to reclaim next time and during cold water, discharge air.
The invention has the beneficial effects as follows：The control circuit of the automatic regulating device for solar water heater providing, coordinates water saving fixtures
Work, carries out reclaiming the cold water in attemperater bottom and hot-water line with intelligent control method, then needs to mend in attemperater
Automatically the water reclaiming is returned to recycling in attemperater during water, it is to avoid the directly waste of discharge, realize water saving purpose.
Brief description
Accompanying drawing is a kind of control circuit schematic diagram 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.
It is close to road resistance a, R3. drives resistance a, R4. to be close to road resistance b, and R5. is close to road resistance c, R6. biasing resistor, R7. current-limiting resistance, R8.
Drive resistance b, Rt. critesistor, C1. filter capacitor a, C2. filter capacitor b, VD1. commutation diode a, VD2. rectification
Diode b, VD3. isolating diode a, VD4. light emitting diode, VD5. isolating diode b, VD6. clamp diode, VD7. is steady
Pressure diode, VDq. full-bridge circuit, IC1. integrated package of pressure-stabilizing, IC2. and door a, IC3. and door b, IC4. transmission gate, IC5. not gate,
IC6. with door c, VT. audion, VS1. bidirectional triode thyristor a, VS2. bidirectional triode thyristor b, the coil of K. relay, Ka. relay
Switch, 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, A2. water temperature signal input, A3. water level signal
Input, A4. manual input, A5. interlocking signal input a, A6. interlocking signal input b, the zero line input of N1. power supply
End, N2. zero-power line loop end, the phase line input of L1. power supply, L2. control output end a, L3. low tension loop end a, L4. are controlled
Outfan b processed, L5. low tension loop end b, L6. control output end c, Yk. water flow switch, the survey water electrode of D. storage tank, Sk. handss
Dynamic switch, M. air pump motor coil, the coil of YA1. backwater electromagnetic valve, the coil of YA2. moisturizing electromagnetic valve.
Specific embodiment
In embodiment embodiment shown in the drawings, the control circuit of automatic regulating device for solar water heater by power circuit,
Signal input port, comparison circuit, process circuit and execution circuit composition, wherein, power circuit is by the zero line input of power supply
（N1）, the phase line input of power supply（L1）, rectifier transformer（TC）, commutation diode a（VD1）, commutation diode b（VD2）, filter
Ripple capacitor a（C1）, integrated package of pressure-stabilizing（IC1）With filter capacitor b（C2）Constitute；It is defeated that signal input port includes water-flow signal
Enter end（A1）, water temperature signal input（A2）, water level signal input（A3）, manual input（A4）, interlocking signal input a
（A5）With interlocking signal input b（A6）；Comparison circuit is by divider resistance（R1）, and door a（IC2）With isolating diode a（VD3）
Constitute；Process circuit is by full-bridge circuit（VDq）, and door b（IC3）, isolating diode b（VD5）, transmission gate（IC4）, not gate
（IC5）And with door c（IC6）Constitute；Execution circuit includes cold water and reclaims execution circuit and moisturizing execution circuit, and cold water reclaims execution
Circuit is by driving resistance a（R3）, bidirectional triode thyristor a（VS1）With control output end b（L4）Constitute, moisturizing execution circuit is by biasing
Resistance（R6）, audion（VT）, clamp diode（VD6）, relay, control output end a（L2）, drive resistance b（R8）, two-way
Controllable silicon b（VS2）With control output end c（L6）Constitute, relay includes coil（K）And contact switch（Ka）；Rectifier transformer
（TC）Primary coil have line end a（1）With line end b（2）Pick out, line end a（1）It is connected to the zero line input of power supply（N1）, line
End b（2）It is connected to the phase line input of power supply（L1）；Rectifier transformer（TC）Secondary coil have three groups, three groups of coils are mutual
Series connection, three groups of coils have line end c from top to bottom successively（3）, line end d（4）, line end e（5）With line end f（6）Pick out, line end e（5）
For line end d（4）With line end f（6）Centre cap, line end c（3）With line end e（5）Constitute the leading-out terminal of low-voltage alternating current power supply, line
End e（5）It is connected to ground wire, line end d（4）It is connected to commutation diode a（VD1）Anode, line end f（6）It is connected to rectification two pole
Pipe b（VD2）Anode, commutation diode a（VD1）Negative electrode and commutation diode b（VD2）Negative electrode be connected to filter capacitor
a（C1）Positive pole and integrated package of pressure-stabilizing（IC1）Input, filter capacitor a（C1）Negative pole, integrated package of pressure-stabilizing（IC1）'s
Negative pole and filter capacitor b（C2）Negative pole connect after constitute ground wire, integrated package of pressure-stabilizing（IC1）Outfan and filter capacitor
b（C2）Positive pole connect after constitute DC supply V+, DC supply V+ has direct current output port pick out, direct current
Output port includes DC output end a（V1）, DC output end b（V2）, DC output end c（V3）With DC output end d（V4）；
Water-flow signal input（A1）It is connected to and door a（IC2）First input end and be close to road resistance a（R2）The first foot, be close to road electricity
Resistance a（R2）Crus secunda be connected to ground wire, water temperature signal input（A2）It is connected to divider resistance（R1）The first foot and with door a
（IC2）The second input, divider resistance（R1）Crus secunda be connected to ground wire, with door a（IC2）Outfan be connected to isolation
Diode a（VD3）Anode, isolating diode a（VD3）Negative electrode be connected to driving resistance a（R3）The first foot, drive resistance
a（R3）Crus secunda be connected to light emitting diode（VD4）Anode, light emitting diode（VD4）Negative electrode be connected to two-way controlled
Silicon a（VS1）Control pole, bidirectional triode thyristor a（VS1）Negative electrode be connected to ground wire, bidirectional triode thyristor a（VS1）Anode connect
To control output end b（L4）；Water level signal input（A3）It is connected to and door b（IC3）First input end, not gate（IC5）'s
Input and be close to road resistance b（R4）The first foot, be close to road resistance b（R4）Crus secunda be connected to ground wire, manual input（A4）
It is connected to and door b（IC3）The second input and door c（IC6）The second input and be close to road resistance c（R5）The first foot, be close to
Road resistance c（R5）Crus secunda be connected to ground wire, interlocking signal input a（A5）With interlocking signal input b（A6）Connect respectively
It is connected to full-bridge circuit（VDq）Two inputs on, full-bridge circuit（VDq）Negative pole be connected to ground wire, full-bridge circuit（VDq）'s
Positive pole is connected to current-limiting resistance（R7）The first foot, current-limiting resistance（R7）Crus secunda be connected to and door b（IC3）Second input
End and door c（IC6）The second input and Zener diode（VD7）Negative electrode, Zener diode（VD7）Anode be connected to
Ground wire, with door c（IC6）First input end be connected to not gate（IC5）Outfan, with door b（IC3）Outfan be connected to biography
Defeated door（IC4）Input and isolating diode b（VD5）Anode, isolating diode b（VD5）Negative electrode be connected to driving electricity
Resistance a（R3）The first foot, transmission gate（IC4）Outfan pass through biasing resistor（R6）It is connected to audion（VT）Base stage, three
Pole pipe（VT）Emitter stage be connected to ground wire, audion（VT）Colelctor electrode be connected to clamp diode（VD6）Anode and continue
Electric apparatus coil（K）Outfan, clamp diode（VD6）Negative electrode and relay coil（K）Input be connected to direct current work
Make power supply V+；With door c（IC6）Outfan pass through drive resistance b（R8）It is connected to bidirectional triode thyristor b（VS2）Control pole, double
To controllable silicon b（VS2）Negative electrode be connected to ground wire, bidirectional triode thyristor b（VS2）Anode be connected to control output end c（L6）；Continue
Appliance contact switchs（Ka）Input pole be connected to the phase line input of power supply（L1）, relay contact switch（Ka）Output stage is even
It is connected to control output end a（L2）.In the present embodiment, rectifier transformer（TC）The line end c of secondary coil（3）With line end e（5）Between
The alternating voltage of output is 9V, line end d（4）With line end e（5）Between output alternating voltage be 4.5V, line end f（6）With 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）, and door b
（IC3）And with door c（IC6）Be respectively there are two inputs and gate circuit, transmission gate（IC4）By have two inputs with
Gate circuit carry out alternative, when alternative, in parallel with two inputs of gate circuit be an input；With door a（IC2）, and door b
（IC3）, and door c（IC6）And transmission gate（IC4）42 inputs sharing model CC4081 are integrated with the cmos digital of door
Circuit；Not gate（IC5）From the hex inverter cmos digital integrated circuit having Schmidt trigger of model CC40106, many
The input of five not gates of remaininging is connected to ground wire；The power end of CC4081 and door integrated circuit and CC40106 ungated integrated circuit
Power end be connected to DC supply V+, the earth terminal of CC4081 and door integrated circuit and CC40106 ungated integrated circuit
Earth terminal be connected to ground wire；The peripheral components of control circuit include water flow switch（Yk）, critesistor（Rt）, the survey of storage tank
Water electrode（D）And hand switch（Sk）, water flow switch（Yk）Two contact electrode be connected respectively to DC output end a（V1）With
Water-flow signal input（A1）On, critesistor（Rt）Two pins be connected respectively to DC output end b（V2）With water temperature letter
Number input（A2）On, water electrode surveyed by storage tank（D）Two pins be connected respectively to DC output end c（V3）And water level signal
Input（A3）On, hand switch（Sk）Two contact electrode be connected respectively to DC output end d（V4）And manual input
（A4）On；There is zero-power line loop end in control circuit（N2）, low tension loop end a（L3）With low tension loop end b（L5）, power supply zero
Line loop end a（N2）It is connected to the zero line input of power supply（N1）, low tension loop end a（L3）With low tension loop end b（L5）Connect
To rectifier transformer（TC）The line end c of secondary coil（3）；Control circuit be loaded with air pump motor coil（M）, backwater electromagnetic valve
Coil（YA1）Coil with moisturizing electromagnetic valve（YA2）, air pump motor coil（M）Two leads be connected respectively to control defeated
Go out to hold a（L2）With zero-power line loop end（N2）On, backwater electromagnetic valve coil（YA1）Two leads be connected respectively to control defeated
Go out to hold b（L4）With push back terminal a（L3）On, moisturizing electromagnetic valve coil（YA2）Two leads be connected respectively to control output end c
（L6）With low tension loop end b（L5）On.
The present embodiment, as the corollary equipment of automatic regulating device for solar water heater, coordinates automatic regulating device for solar water heater work
Make.Automatic regulating device for solar water heater is by cold water recovery tube, backwater electromagnetic valve, storage tank, tee ball valve, air pump and the present embodiment
Control circuit composition, cold water recovery tube is connected between the indoor hot-water line end of solar water heater and storage tank, backwater
Electromagnetic valve is arranged on cold water recovery tube, and cold water recovery tube accesses from the bottom of storage tank, surveys water electrode（D）It is arranged on storage tank
Interior bottom；The interface at straight-through two ends of tee ball valve is vertical setting, and being close to of tee ball valve connects mouth and be connected to storage tank
Top, the straight-through lower end interface of tee ball valve is connected to the exhaust port of air pump, the straight-through upper end interface structure high up in the air of tee ball valve
Become air vent；Water flow switch（Yk）It is arranged on the import position of solar water heater interior hot-water line, critesistor（Rt）Setting
Position before the branch interface of hot-water line indoors, moisturizing electromagnetic valve is arranged between indoor hot-water line and running water pipe, control
The power supply phase line input of circuit processed（L1）, zero line input（N1）Power supply is connected to by power line and attaching plug
On socket, the solenoid-driven port on solar water heater automatic water level controller is connected to the present embodiment control circuit
Interlocking signal input a（A5）Go up and interlocking signal input b（A6）On, realize the coordinated signals to water-refilling operation.This enforcement
In example, the electromagnetic valve of normally closed structure selected by backwater electromagnetic valve and moisturizing electromagnetic valve；Cold water is arranged on 30- with the division temperature of hot water
Between 36 DEG C, by debugging critesistor（Rt）With divider resistance（R1）Numerical value determine.
Once the present embodiment, in use, user opens hot water tap, just produces current in hot-water line indoors, makes water
Stream switch（Yk）Closure, with door a（IC2）First input end be in high level, at this moment, water temperature in hot-water line is less than and sets temperature
Degree, critesistor（Rt）With divider resistance（R1）Between voltage will be above the 2/3 of direct-current working volts, with door a（IC2）?
Two inputs are opened, with door a（IC2）Outfan be reversed to high level, with door a（IC2）The high level of outfan pass through every
From diode a（VD3）, drive resistance a（R3）And light emitting diode（VD4）It is input to bidirectional triode thyristor a（VS1）Control pole,
Make bidirectional triode thyristor a（VS1）Conducting, control output end b（L4）With low tension loop end a（L3）Coil to backwater electromagnetic valve
（YA1）Energising, makes backwater electromagnetic valve open, and the cold water of in hot-water line and attemperater bottom voluntarily flows in storage tank, at this moment,
Light emitting diode（VD4）Light, instruction device is reclaiming cold water, user can temporary close hot water tap, wait light-emitting diodes
Pipe（VD4）Extinguish, then open hot water tap, just have hot water to use；Flow into storage with the cold water of attemperater bottom in hot-water line
When in water tank, the air in storage tank is freely discharged by the straight-through upper end interface of tee ball valve, makes cold water smoothly enter collection box；
After the cooled water discharge in attemperater bottom and hot-water line finishes, critesistor（Rt）With divider resistance（R1）Between voltage
Will be less than the 1/3 of direct-current working volts, with door a（IC2）The second input be blocked, with door a（IC2）Outfan be reversed to
Low level, makes bidirectional triode thyristor a（VS1）Cut-off, the coil of backwater electromagnetic valve（YA1）Power-off, backwater closed electromagnetic valve, stop to
Storage tank is intake, at this moment, light emitting diode（VD4）Extinguish, instruction cold water reclaims and finishes.When the solar water heater of user is certainly
During dynamic moisturizing, the controller of solar water heater is interlocked with the control circuit of the present embodiment.Control in solar water heater
When device processed carries out water-refilling operation automatically, in the interlocking signal input a of the present embodiment control circuit（A5）With interlocking signal input
End b（A6）Just signal is had to pass through full-bridge circuit（VDq）It is input to and door b（IC3）The second input and with door c（IC6）?
Two inputs, meanwhile, the survey water electrode of the bottom of storage tank（D）By the water short circuit in storage tank between two poles, make and door b（IC3）
First input end be in high level, with door b（IC3）Outfan be high level, with door b（IC3）The high level of outfan passes through
Transmission gate（IC4）And biasing resistor（R6）It is input to audion（VT）Base stage, make audion（VT）Conducting, the coil of relay
（K）Obtain electric, the switch of relay（Ka）Closure, control output end a（L2）With zero-power line loop end（N2）To air pump motor line
Circle（M）It is energized, air pump runs, and in the inner chamber of tee ball valve, compressed air makes air pump exhaust port output squeezing air
The upper end of inner chamber is shifted onto on the spherical valve core in tee ball valve inner chamber, the straight-through upper end air vent of tee ball valve is blocked,
Compressed air is connected mouth and is entered in storage tank by being close to of tee ball valve, makes storage tank form pressure, the water in storage tank has and returns
Return the kinetic energy of solar insulated water tank；Meanwhile, with door b（IC3）The high level of outfan passes through isolating diode b（VD5）, drive
Resistance a（R3）And light emitting diode（VD4）It is input to bidirectional triode thyristor a（VS1）Control pole, make bidirectional triode thyristor a（VS1）Lead
Logical, control output end b（L4）With low tension loop end a（L3）Coil to backwater electromagnetic valve（YA1）Energising, makes backwater electromagnetic valve beat
Open, the water in storage tank is returned in attemperater.After the water in attemperater has been mended, survey water electrode（D）Do not reach
Water and open a way, make and door b（IC3）First input end be in low level, with door b（IC3）Outfan be reversed to low level, make double
To controllable silicon a（VS1）And audion（VT）Cut-off, the coil of backwater electromagnetic valve（YA1）With air pump motor coil（M）Power-off, returns
Water solenoid valve is closed and air pump stops；Meanwhile, survey water electrode（D）Open circuit makes not gate（IC5）Input be in low level, not gate
（IC5）Outfan and with door c（IC6）Input be reversed to high level, with door c（IC6）Outfan be in high level, with door
c（IC6）The high level of outfan passes through to drive resistance b（R8）It is input to bidirectional triode thyristor b（VS2）Control pole, make two-way can
Control silicon b（VS2）Conducting, control output end c（L6）With low tension loop end b（L5）Coil to moisturizing electromagnetic valve（YA2）Led to
Electricity, makes moisturizing electromagnetic valve open, tap water is added in solar insulated water tank, until the water in attemperater fills, even
Lock signal input a（A5）With interlocking signal input b（A6）Lose signal, with door c（IC6）The second input be in low electricity
Flat, with door c（IC6）Outfan be reversed to low level, bidirectional triode thyristor b（VS2）Cut-off, makes moisturizing closed electromagnetic valve, stops
Moisturizing.When air pump stops, the pressure in storage tank is discharged by the pressure relief opening on tee ball valve, the ball in tee ball valve
Shape valve element falls back to the lower end of inner chamber, makes the straight-through upper end Exhaust Open of tee ball valve, prepares to reclaim discharge during cold water next time
Air.When the solar water heater of user is manual type moisturizing, such as need to carry out moisturizing to solar water heater, can close manually
Upper hand switch（Sk）, high level is input to and door b（IC3）The second input and with door c（IC6）The second input,
Carry out water-refilling operation, control circuit is also first the water in storage tank to be returned in the attemperater of solar water heater, waits to store up
After water in water tank is finished, then it is switched to tap water and carries out moisturizing.
The control circuit of the present embodiment must have current indoors in hot-water line and water temperature is just to open in the case of cold water
Dynamic backwater electromagnetic valve is opened, and makes in hot-water line and the cold water of attemperater bottom voluntarily flows in storage tank, just hold in hot-water line
Continuous formation current, water flow switch（Yk）Remain closed, until cold water reclaims finishing；Interlocking solar water heater automatic water supplement
Signal passes through full-bridge circuit（VDq）It is linked in the control circuit of the present embodiment, arbitrarily can access without distinguishing polarity；In control
Limited leakage resistance in circuit processed（R7）And Zener diode（VD7）, the interlocking signal amplitude of input can be limited to this control
Within the running voltage of circuit, prevent component wear and make circuit working stability.
Claims (7)
1. a kind of control circuit of automatic regulating device for solar water heater, is characterized in that control circuit by power circuit, signal input
Port, comparison circuit, process circuit and execution circuit composition, wherein, power circuit is by the zero line input of power supply（N1）, power supply
Phase line input（L1）, rectifier transformer（TC）, commutation diode a（VD1）, commutation diode b（VD2）, filter capacitor a
（C1）, integrated package of pressure-stabilizing（IC1）With filter capacitor b（C2）Constitute；Signal input port includes water-flow signal input（A1）、
Water temperature signal input（A2）, water level signal input（A3）, manual input（A4）, interlocking signal input a（A5）And even
Lock signal input b（A6）；Comparison circuit is by divider resistance（R1）, and door a（IC2）With isolating diode a（VD3）Constitute；Place
Reason circuit is by full-bridge circuit（VDq）, and door b（IC3）, isolating diode b（VD5）, transmission gate（IC4）, not gate（IC5）And with door
c（IC6）Constitute；Execution circuit includes cold water and reclaims execution circuit and moisturizing execution circuit, and cold water reclaims execution circuit by driving
Resistance a（R3）, bidirectional triode thyristor a（VS1）With control output end b（L4）Constitute, moisturizing execution circuit is by biasing resistor（R6）, three
Pole pipe（VT）, clamp diode（VD6）, relay, control output end a（L2）, drive resistance b（R8）, bidirectional triode thyristor b
（VS2）With control output end c（L6）Constitute, relay includes coil（K）And contact switch（Ka）；
Rectifier transformer（TC）Primary coil have line end a（1）With line end b（2）Pick out, line end a（1）It is connected to the zero line of power supply
Input（N1）, line end b（2）It is connected to the phase line input of power supply（L1）；Rectifier transformer（TC）Secondary coil have three groups,
Three groups of coils are mutually in series, and three groups of coils have line end c from top to bottom successively（3）, line end d（4）, line end e（5）With line end f（6）Connect
Go out, line end e（5）For line end d（4）With line end f（6）Centre cap, line end c（3）With line end e（5）Constitute low-voltage alternating current power supply
Leading-out terminal, line end e（5）It is connected to ground wire, line end d（4）It is connected to commutation diode a（VD1）Anode, line end f（6）Connect
To commutation diode b（VD2）Anode, commutation diode a（VD1）Negative electrode and commutation diode b（VD2）Negative electrode be connected to
Filter capacitor a（C1）Positive pole and integrated package of pressure-stabilizing（IC1）Input, filter capacitor a（C1）Negative pole, voltage stabilizing integrated
Block（IC1）Negative pole and filter capacitor b（C2）Negative pole connect after constitute ground wire, integrated package of pressure-stabilizing（IC1）Outfan with
Filter capacitor b（C2）Positive pole connect after constitute DC supply V+, DC supply V+ has DC output end
Mouth picks out；
Water-flow signal input（A1）It is connected to and door a（IC2）First input end, water temperature signal input（A2）It is connected to point
Piezoresistance（R1）The first foot and with door a（IC2）The second input, divider resistance（R1）Crus secunda be connected to ground wire, with
Door a（IC2）Outfan be connected to isolating diode a（VD3）Anode, isolating diode a（VD3）Negative electrode be connected to driving
Resistance a（R3）The first foot, drive resistance a（R3）Crus secunda be connected to bidirectional triode thyristor a（VS1）Control pole, two-way can
Control silicon a（VS1）Negative electrode be connected to ground wire, bidirectional triode thyristor a（VS1）Anode be connected to control output end b（L4）；
Water level signal input（A3）It is connected to and door b（IC3）First input end and not gate（IC5）Input, defeated manually
Enter end（A4）It is connected to and door b（IC3）The second input and with door c（IC6）The second input, interlocking signal input a
（A5）With interlocking signal input b（A6）It is connected respectively to full-bridge circuit（VDq）Two inputs on, full-bridge circuit（VDq）
Negative pole be connected to ground wire, full-bridge circuit（VDq）Positive pole be connected to and door b（IC3）The second input and with door c（IC6）
The second input, with door c（IC6）First input end be connected to not gate（IC5）Outfan, with door b（IC3）Outfan
It is connected to transmission gate（IC4）Input and isolating diode b（VD5）Anode, isolating diode b（VD5）Negative electrode connect
To driving resistance a（R3）The first foot, transmission gate（IC4）Outfan pass through biasing resistor（R6）It is connected to audion（VT）'s
Base stage, audion（VT）Emitter stage be connected to ground wire, audion（VT）Colelctor electrode be connected to clamp diode（VD6）Sun
Pole and relay coil（K）Outfan, clamp diode（VD6）Negative electrode and relay coil（K）Input be connected to
DC supply V+；With door c（IC6）Outfan pass through drive resistance b（R8）It is connected to bidirectional triode thyristor b（VS2）Control
Pole processed, bidirectional triode thyristor b（VS2）Negative electrode be connected to ground wire, bidirectional triode thyristor b（VS2）Anode be connected to control output end c
（L6）；Relay contact switch（Ka）Input pole be connected to the phase line input of power supply（L1）, 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 with door a
（IC2）First input end and ground wire between You Bang road resistance a（R2）；In water level signal input（A3）Have and ground wire between and be close to
Road resistance b（R4）；In manual input（A4）You Bang road resistance c and ground wire between（R5）.
3. a kind of control circuit of automatic regulating device for solar water heater according to claim 1, is characterized in that full-bridge circuit
（VDq）Positive pole pass through current-limiting resistance（R7）It is connected to and door b（IC3）The second input and with door c（IC6）Second input
End；Work as full-bridge circuit（VDq）Positive pole pass through current-limiting resistance（R7）It is connected to and door b（IC3）The second input and with door c
（IC6）The second input when, with door b（IC3）The second input and with door c（IC6）The second input and ground wire it
Between have Zener diode（VD7）.
4. the control circuit of a kind of automatic regulating device for solar water heater according to claim 1, is characterized in that and door a
（IC2）, and door b（IC3）And with door c（IC6）Be respectively there are two inputs and gate circuit, transmission gate（IC4）By having two
Individual input with gate circuit carry out alternative, when alternative, in parallel with two inputs of gate circuit be an input；With door a
（IC2）, and door b（IC3）, and door c（IC6）And transmission gate（IC4）Share one with door integrated circuit, the electricity with door integrated circuit
Source and not gate（IC5）Power end be connected to DC supply V+, earth terminal and the not gate with door integrated circuit（IC5）'s
Earth terminal is connected to ground wire.
5. the control circuit of a kind of automatic regulating device for solar water heater according to claim 1, is characterized in that driving electricity
Resistance a（R3）With bidirectional triode thyristor a（VS1）Control pole between have light emitting diode（VD4）, drive resistance a（R3）Crus secunda
It is connected to light emitting diode（VD4）Anode, light emitting diode（VD4）Negative electrode be connected to bidirectional triode thyristor a（VS1）Control
Pole.
6. a kind of control circuit of automatic regulating device for solar water heater according to claim 1, is characterized in that in direct current work
The direct current output port making to pick out on power supply V+ includes DC output end a（V1）, DC output end b（V2）, DC output end c
（V3）With DC output end d（V4）；The peripheral components of control circuit include water flow switch（Yk）, critesistor（Rt）, storage tank
Survey water electrode（D）And hand switch（Sk）, water flow switch（Yk）Two contact electrode be connected respectively to DC output end a
（V1）With water-flow signal input（A1）On, critesistor（Rt）Two pins be connected respectively to DC output end b（V2）With
Water temperature signal input（A2）On, water electrode surveyed by storage tank（D）Two pins be connected respectively to DC output end c（V3）And water
Position signal input part（A3）On, hand switch（Sk）Two contact electrode be connected respectively to DC output end d（V4）With manual
Input（A4）On.
7. a kind of control circuit of automatic regulating device for solar water heater according to claim 1, is characterized in that control circuit
In have zero-power line loop end（N2）, low tension loop end a（L3）With low tension loop end b（L5）, zero-power line loop end a（N2）Even
It is connected to the zero line input of power supply（N1）, low tension loop end a（L3）With low tension loop end b（L5）It is connected to rectifier transformer（TC）
The line end c of secondary coil（3）；Control circuit be loaded with air pump motor coil（M）, the coil of backwater electromagnetic valve（YA1）And benefit
The coil of water solenoid valve（YA2）, air pump motor coil（M）Two leads be connected respectively to control output end a（L2）And power supply
Zero line loop end（N2）On, backwater electromagnetic valve coil（YA1）Two leads be connected respectively to control output end b（L4）With push back
Terminal a（L3）On, moisturizing electromagnetic valve coil（YA2）Two leads be connected respectively to control output end c（L6）And low tension loop
End b（L5）On.
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| CN201410278480.8A CN104035354B (en) | 2014-06-20 | 2014-06-20 | Control circuit for water saving device of solar water heater |
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| CN104460717B (en) * | 2014-11-27 | 2017-06-09 | 衢州市煜鑫农产品加工技术开发有限公司 | A kind of Intelligent water level control circuit of drip irrigation system |
| WO2017128135A1 (en) * | 2016-01-27 | 2017-08-03 | ***生 | Method for collecting water according to water temperature, and water heater |
| WO2017128133A1 (en) * | 2016-01-27 | 2017-08-03 | ***生 | Method for sending technical data of water collection according to water temperature, and water heater |
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| CN201133688Y (en) * | 2007-11-01 | 2008-10-15 | 刘修岩 | Water-saving apparatus |
| TW201115085A (en) * | 2009-10-20 | 2011-05-01 | Hong Yu Engineering Co Ltd | Water saving system for user water heater |
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