CN102331091A - Water outlet control device and method for water heater - Google Patents
Water outlet control device and method for water heater Download PDFInfo
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- CN102331091A CN102331091A CN201110325710A CN201110325710A CN102331091A CN 102331091 A CN102331091 A CN 102331091A CN 201110325710 A CN201110325710 A CN 201110325710A CN 201110325710 A CN201110325710 A CN 201110325710A CN 102331091 A CN102331091 A CN 102331091A
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Abstract
The invention relates to a water outlet control device and a water outlet control method for a water heater. The device comprises a water pipe, a water level sensor, a thermosensitive water level sensor, and a temporary water storage device (7), a water pump (8) and a control system; an outlet connector A1 of the water heater is connected with a thermosensitive control valve (3-3) and a second thermosensitive water level sensor (5-2) respectively through a first water pipe tee joint; the thermosensitive control valve (3-3) is connected with a hot water outlet pipe A through a first thermosensitive water level sensor (5-1); the second thermosensitive water level sensor (5-2) is connected with the temporary water storage device (7) through a first return pipe control valve (3-1), a first three-way control valve (4-1) and the water pump (8); the temporary water storage device (7) is connected with a water inlet connector B1 of the water heater through a first water level sensor (5-4) and a second water three-way control valve (4-2); and a cold water inlet pipe B is connected with the water inlet connector B1 of the water heater through a first cold water pipe control valve (2-1). By an ascending pipe control valve (6), the effects that water is hot when flowing out, the water pressure of cold water is judged and pressure is boosted automatically can be achieved.
Description
Technical field
The present invention relates to the device of water heater hot-water instant-heating, the judgement of cold water hydraulic pressure and automatic supercharging, particularly water heater effluent control device and control method belong to the firing equipment field.
Background technology
Existing water heater often needs one section cold water of discharging earlier or does not reach the water of serviceability temperature when initial water outlet, and when particularly water heater outlet was longer, water resource waste was serious, and is also consuming time.In the prior art this is also paid close attention to some extent; As: number of patent application 200610054255.1; Denomination of invention is " gas heater of instant-heating "; The temperature of the hot water outlet of water heater is played the effect of adjusting, the DeGrain many and long to user's hot-water line, and also it mainly is applicable to gas heater.And for example: number of patent application 200410017360.9; Denomination of invention is " a preheating type domestic gas-fired water heater system "; Can reach the beginning water outlet is the purpose of hot water, and it is to constitute autonomous system through additional pipeline, pump, valve etc., and mobile beginning water outlet circulation heating is flowed out again; But to the circulation heat time heating time and the not control of temperature of the initial water outlet of flowing, therefore beginning to discharge water not necessarily is exactly suitable temperature.
Therefore if can develop the device and the control method of a kind of water heater hot-water instant-heating, the judgement of cold water hydraulic pressure and automatic supercharging, will seem very necessary.
Summary of the invention
The object of the present invention is to provide a kind of water heater effluent control device and control method, water heater can reach the hot water instant-heating, cold water hydraulic pressure is judged and the effect of automatic supercharging.
The total technical scheme of the present invention is: put the cold water in any one hot-water line of water heater subordinate into the water heater heating through the water buffer; Ability hot-water outlet when water temperature reaches the temperature of oneself setting; Native system is as long as temperature is lower than design temperature; Native system repeats above-mentioned work again, reaches design temperature up to temperature; And when the hydraulic pressure in the cold water pipe did not reach the water heater point pressure, boost controller started booster pump to the water heater supercharging.Thereby reach energy-conservation, water saving, instant-heating and pressurized effect.
The objective of the invention is to realize like this:
Water heater effluent control device of the present invention comprises water pipe; Level sensor; The temperature-sensitive level sensor, water buffer, water pump and control system; Water heater water out adapter A1 is connected with the second temperature-sensitive level sensor with the temperature-sensitive control valve respectively through the first water pipe threeway, and the temperature-sensitive control valve is connected with hot water outlet pipe A through the first temperature-sensitive level sensor;
The second temperature-sensitive level sensor is connected with the water buffer with water pump through first reflux tube valve, first three-way control valve, and the water buffer is connected with water heater water supply connector B1 with second three-way control valve through first level sensor;
Cold water inlet B is connected with water heater water supply connector B1 through the first cold water pipe control valve.
Its control method is:
Each sensor, water pump before opening, reflux tube valve, second three-way control valve cuts out; The temperature-sensitive control valve is opened, when opening hot water outlet pipe A, and when water temperature is lower than the default water temperature in the pipe; The first temperature-sensitive level sensor signals, and the temperature-sensitive control valve is closed, starting mode of pump; First reflux tube valve is opened, and the switching-over of first three-way control valve is in the whole pump water inlet buffers of the cold water among the hot water outlet pipe A;
When the second temperature-sensitive level sensor sends when reaching the set water temperature signal; The temperature-sensitive control valve is opened; First reflux tube valve is closed; First three-way control valve commutates once more, the switching-over of second three-way control valve, and water pump 8 is sent the water of water buffer in the water heater water supply connector B1 to through second three-way control valve;
When first level sensor detects when anhydrous here, water pump cuts out, the switching-over of second three-way control valve; For preheating the type water heater, in the time of need in water heater, adding entry, start the first cold water pipe control valve; For instant hot type water heater, when opening hot water outlet pipe A, the first cold water pipe control valve is opened simultaneously.
The preferred pressue device that increases:
Cold water inlet B is connected with hydraulic pressure sensor through the first cold water pipe control valve; Hydraulic pressure sensor is connected with the 4th cold water pipe control valve with the second cold water pipe control valve respectively through the two ends of cold water pipe threeway; The 4th cold water pipe control valve is connected with water heater water supply connector B1, and the second cold water pipe control valve is connected between first reflux tube valve and first three-way control valve through the water pipe threeway;
Water pump 8 is connected with the water buffer through second reflux tube valve; Water pump is connected with the pressure inlet control valve through the two ends of water pipe threeway respectively with second reflux tube valve, and the pressure inlet control valve is connected with water heater water supply connector B1 through the 3rd cold water pipe control valve.
Its control method is:
Each sensor, water pump before opening, reflux tube valve, first and second three-way control valve cuts out, and the temperature-sensitive control valve is opened; The pressure inlet control valve is closed, when opening hot water outlet pipe A, and when water temperature is lower than system's initial value in the pipe; The first temperature-sensitive level sensor signals, and the temperature-sensitive control valve is closed, starting mode of pump; First and second reflux tube valve is opened, and the switching-over of first three-way control valve is in the whole pump water inlet buffers of the cold water among the hot water outlet pipe A;
When the second temperature-sensitive level sensor sends anhydrous and reaches the set water temperature signal; First reflux tube valve is closed; First three-way control valve commutates once more; The switching-over of second three-way control valve, water pump is sent the water of water buffer in the water heater water supply connector B1 to through second reflux tube valve and second three-way control valve;
When first level sensor detects when anhydrous here, the water pump and second reflux tube valve are closed, the switching-over of second three-way control valve; For preheating the type water heater, in the time of need in water heater, adding entry, start first, fourth cold water pipe control valve; For instant hot type water heater, when opening hot water outlet pipe A, first, fourth cold water pipe control valve is opened, and the second cold water pipe control valve at hydraulic pressure just often is in closed condition.
When hydraulic pressure sensor sends the not enough signal of hydraulic pressure, second and third cold water pipe control valve is opened, and the 4th cold water pipe control valve is closed, and first and second reflux tube valve is closed, and the one or three ventilating controller, water pump and pressure inlet control valve start, and system is in pressurized state.
Further preferred: water heater water out adapter A1 is through the 3rd three-way control valve, and second level sensor is connected with the second temperature-sensitive level sensor with the temperature-sensitive control valve respectively with the first water pipe threeway;
The second temperature-sensitive level sensor is connected with the water pipe four-way through first reflux tube valve; A bite of water pipe four-way is connected with cold water inlet B with the first cold water pipe control valve through hydraulic pressure sensor; Water pump is connected with the water buffer through second reflux tube valve; Be provided with the second water pipe threeway between the water pump and second reflux tube valve; Two mouthfuls of the water pipe four-way are connected with the water buffer with second reflux tube valve through first three-way control valve, water pump, the second water pipe threeway, and the water buffer passes through first level sensor and is connected with water heater water supply connector B1 with second three-way control valve; Two mouthfuls of the water pipe four-way are connected with water heater water supply connector B1 with the 3rd cold water pipe control valve through second; The water pump and second reflux tube valve through three mouthfuls and pressure inlet control valve of the second water pipe threeway, are connected with the middle water pipe of the 3rd cold water pipe control valve with second respectively.
Control method is:
Each sensor, water pump before opening, first and second reflux tube valve, first and second three-way control valve; Be in closed condition with the pressure inlet control valve, the temperature-sensitive control valve, the 3rd three-way control valve is opened; When opening hot water outlet pipe A, and when water temperature is lower than the default water temperature in the pipe: the temperature-sensitive control valve is closed, and the first temperature-sensitive level sensor signals; Starting mode of pump, first and second reflux tube valves are opened, the switching-over of first three-way control valve; When second level sensor sent anhydrous signal, the temperature-sensitive control valve was opened, in the whole pump water inlet buffers of the cold water of hot water outlet pipe A middle and lower part;
When the second temperature-sensitive level sensor sends anhydrous and reaches the set water temperature signal; The temperature-sensitive control valve is opened; First reflux tube valve is closed; First three-way control valve commutates once more, the switching-over of second three-way control valve, and water pump is sent the water of water buffer in the water heater water supply connector B1 to through second reflux tube valve and second three-way control valve;
When first level sensor detects when anhydrous here, the water pump and second reflux tube valve are closed, the switching-over of second three-way control valve; For preheating the type water heater, in the time of need in water heater, adding cold water, start first, second and add water with the 3rd cold water pipe control valve; For instant hot type water heater; When opening hot water outlet pipe A and when water temperature reaches the default water temperature in the pipe; First, second is opened with the 3rd cold water pipe control valve simultaneously, and when water temperature was lower than the default water temperature in the pipe, first, second was closed with the 3rd cold water pipe control valve simultaneously.
When hydraulic pressure sensor sends the not enough signal of hydraulic pressure, the second cold water pipe control valve is closed, and the first and the 3rd cold water pipe control valve is in opening, and the one or three ventilating controller, water pump and pressure inlet control valve start, and system is in pressurized state.
The present invention has the following advantages:
1, the cold water of pump handle hot-water line is put the water buffer into, and the hot water that the water heater water out adapter comes out does not have and the mixed chance that exchanges of the cold water of hot-water line, and the effect that therefore just can accomplish instant-heating is saved water and energy.
2, the leaving water temperature of user's delivery port is that the user sets arbitrarily, and can reach constant temperature.
3, fail to reach the gas heater ignition point or do not reach in the solar water heater meeting of the present invention when cold water inlet hydraulic pressure and start pressure charging system automatically and carry out supercharging.
Description of drawings
Fig. 1, the embodiment of the invention 1 and 2 structural representation.
The structural representation of Fig. 2, the embodiment of the invention 3.
Fig. 3, controller circuitry of the present invention connect sketch map.
Among the figure: water pipe 1, cold water pipe control valve 2-1,2-2,2-3, reflux tube valve 3-1,3-2, temperature-sensitive control valve 3-3, three-way control valve 4-1,4-2,4-3; Temperature-sensitive level sensor 5-1,5-2, hydraulic pressure sensor 5-3, level sensor 5-4,5-5, pressure inlet control valve 6, water buffer 7; Water pump 8 compares amplifying circuit 9, photoelectric isolating circuit 10, power driving circuit 11; Relay 12, power supply 13, temperature control and demonstration, pressurization control circuit 14, water heater 15; Hot water outlet pipe A, cold water inlet B, water heater water supply connector B1, water heater water out adapter A1.
The specific embodiment
The present invention can do further description to the present invention through following embodiment through the technological practical implementation of explaining in the summary of the invention, yet scope of the present invention is not limited to following embodiment.
Embodiment 1:
Comprise water pipe; Level sensor; The temperature-sensitive level sensor, water buffer 7, water pump 8 and control system; Water heater water out adapter A1 is connected with temperature-sensitive level sensor 5-2 with temperature-sensitive control valve 3-3 respectively through the water pipe threeway, and temperature-sensitive control valve 3-3 is connected with hot water outlet pipe A through temperature-sensitive level sensor 5-1;
Temperature-sensitive level sensor 5-2 is connected with water buffer 7 with water pump 8 through reflux tube valve 3-1, three-way control valve 4-1, and water buffer 7 is connected with water heater water supply connector B1 with three-way control valve 4-2 through level sensor 5-4;
Cold water inlet B is connected with water heater water supply connector B1 through cold water pipe control valve 2-1.
Its control method is:
Each sensor, water pump before opening, reflux tube valve 3-1, three-way control valve 4-2 closes; Temperature-sensitive control valve 3-3 opens, when opening hot water outlet pipe A, and when water temperature is lower than the default water temperature in the pipe; Temperature-sensitive level sensor 5-1 signals, and temperature-sensitive control valve 3-3 closes, and water pump 8 starts; Reflux tube valve 3-1 opens, and three-way control valve 4-1 switching-over is in the whole pump water inlet buffers 7 of the cold water among the hot water outlet pipe A;
When temperature-sensitive level sensor 5-2 sends when reaching the set water temperature signal; Temperature-sensitive control valve 3-3 opens; Reflux tube valve 3-1 closes; Three-way control valve 4-1 commutates once more, three-way control valve 4-2 switching-over, and water pump 8 is sent the water of water buffer 7 in the water heater water supply connector B1 to through three-way control valve 4-2;
When level sensor 5-4 detects when anhydrous here, water pump 8 cuts out, three-way control valve 4-2 switching-over; For preheating the type water heater, in the time of need in water heater, adding entry, start cold water pipe control valve 2-1; For instant hot type water heater, when opening hot water outlet pipe A, cold water pipe control valve 2-1 opens simultaneously.
Embodiment 2:
On the basis of embodiment 1; Cold water inlet B is connected with hydraulic pressure sensor 5-3 through cold water pipe control valve 2-1; Hydraulic pressure sensor 5-3 is connected with cold water pipe control valve 2-4 with cold water pipe control valve 2-2 respectively through the two ends of cold water pipe threeway; Cold water pipe control valve 2-4 is connected with water heater water supply connector B1, and cold water pipe control valve 2-2 is connected between reflux tube valve 3-1 and the three-way control valve 4-1 through the water pipe threeway;
Water pump 8 is connected with water buffer 7 through reflux tube valve 3-2; Water pump 8 is connected with pressure inlet control valve 6 through the two ends of water pipe threeway respectively with reflux tube valve 3-2, and pressure inlet control valve 6 is connected with water heater water supply connector B1 through cold water pipe control valve 2-3.
Its control method is:
Each sensor, water pump before opening, reflux tube valve 3-1, three-way control valve 4-2 closes, and temperature-sensitive control valve 3-3 opens; Pressure inlet control valve 6 is closed, when opening hot water outlet pipe A, and when water temperature is lower than system's initial value in the pipe; Temperature-sensitive level sensor 5-1 signals, and temperature-sensitive control valve 3-3 closes, and water pump 8 starts; Reflux tube valve 3-1,3-2 open, and three-way control valve 4-1 switching-over is in the whole pump water inlet buffers 7 of the cold water among the hot water outlet pipe A;
When temperature-sensitive level sensor 5-2 sends when reaching the set water temperature signal; Temperature-sensitive control valve 3-3 opens; Reflux tube valve 3-1 closes; Three-way control valve 4-1 commutates once more, three-way control valve 4-2 switching-over, and water pump 8 is sent the water of water buffer 7 in the water heater water supply connector B1 to through reflux tube valve 3-2 and three-way control valve 4-2;
When level sensor 5-4 detects when anhydrous here, water pump 8 cuts out with reflux tube valve 3-2, three-way control valve 4-2 switching-over; For preheating the type water heater, in the time of need in water heater, adding entry, start cold water pipe control valve 2-1,2-4; For instant hot type water heater, when opening hot water outlet pipe A, cold water pipe control valve 2-1,2-4 open simultaneously, and cold water pipe control valve 2-2 at hydraulic pressure just often is in closed condition.
When hydraulic pressure sensor 5-3 sends the not enough signal of hydraulic pressure; Cold water pipe control valve 2-2,2-3 open, and cold water pipe control valve 2-4 closes, and reflux tube valve 3-1,3-2 close; Three ventilating controller 4-1, water pump 8 and pressure inlet control valve 6 start, and system is in pressurized state.
Embodiment 3:
On the basis of embodiment 1; Present embodiment comprises water temperature demonstration, the demonstration of hydraulic pressure state, heat-sensitive sensor, level sensor, control valve, hydraulic pressure sensor, water pump, water buffer, three-way control valve and controller; Water heater water out adapter A1 is through three-way control valve 4-3; Level sensor 5-5 is connected with temperature-sensitive level sensor 5-2 with temperature-sensitive control valve 3-3 respectively with the water pipe threeway; The end of temperature-sensitive level sensor 5-1 is connected with hot water outlet pipe A through water pipe 1; One end is connected with water heater water out adapter A1 with the end of temperature-sensitive level sensor 5-2 respectively with the water pipe threeway through temperature-sensitive control valve 3-3; The other end of temperature-sensitive level sensor 5-2 is connected with the end of reflux tube valve 3-1; The other end of reflux tube valve 3-1 is connected with the end of cold water pipe control valve 2-2, three-way control valve 4-1 and hydraulic pressure sensor 5-3 respectively through the water pipe four-way; The other end of three-way control valve 4-1 is connected with an end of water pump 8; Three-way control valve 4-1 end is unsettled; The other end of water pump 8 is connected with the end of pressure inlet control valve 6 and reflux tube valve 3-2 respectively through the water pipe threeway; The other end of reflux tube valve control valve 3-2 is connected with an end of water buffer 7, and the other end of water buffer 7 is connected with the end of level sensor 5-4, and the other end of level sensor 5-4 is connected with the end of three-way control valve 4-2; The other end of three-way control valve 4-2 is connected with the end of cold water pipe control valve 2-3 with water heater water supply connector B1 respectively with water pipe through the water pipe threeway, and the end of three-way control valve 4-2 is unsettled; The end of cold water pipe control valve 2-1 is connected with cold water inlet B; The other end of cold water pipe control valve 2-1 is connected with the other end of hydraulic pressure sensor 5-3 through water pipe, and the other end of cold water pipe control valve 2-2 is connected with the other end of pressure inlet control valve 6 and the other end of cold water pipe control valve 2-3 respectively through the water pipe threeway.
Its control method is:
Each sensor, water pump before opening, reflux tube valve 3-1,3-2, three-way control valve 4-1,4-2; Be in closed condition with pressure inlet control valve 6, temperature-sensitive control valve 3-3, three-way control valve 4-3 opens; When opening hot water outlet pipe A, and when water temperature is lower than the default water temperature in the pipe: temperature-sensitive control valve 3-3 closes, and temperature-sensitive level sensor 5-1 signals; Water pump 8 starts, and reflux tube valve 3-1,3-2 open, three-way control valve 4-1 switching-over; When level sensor 5-5 sent anhydrous signal, temperature-sensitive control valve 3-3 opened, in the whole pump water inlet buffers 7 of the cold water of hot water outlet pipe A middle and lower part;
When temperature-sensitive level sensor 5-2 sends anhydrous and reaches the set water temperature signal; Temperature-sensitive control valve 3-3 opens; Reflux tube valve 3-1 closes; Three-way control valve 4-1 commutates once more, three-way control valve 4-2 switching-over, and water pump 8 is sent the water of water buffer 7 in the water heater water supply connector B1 to through reflux tube valve 3-2 and three-way control valve 4-2;
When level sensor 5-4 detects when anhydrous here, water pump 8 cuts out with reflux tube valve 3-2, three-way control valve 4-2 switching-over; For preheating the type water heater, in the time of need in water heater, adding cold water, startup cold water pipe control valve 2-1,2-2,2-3 add water; For instant hot type water heater; When opening hot water outlet pipe A and when water temperature reaches the default water temperature in the pipe; Cold water pipe control valve 2-1,2-2,2-3 open simultaneously; When water temperature was lower than the default water temperature in the pipe, cold water pipe control valve 2-1,2-2,2-3 closed simultaneously.
When hydraulic pressure sensor 5-3 sends the not enough signal of hydraulic pressure, cold water pipe control valve 2-2 closes, and cold water pipe control valve 2-1,2-3 are in opening, and three ventilating controller 4-1, water pump 8 and pressure inlet control valve 6 start, and system is in pressurized state.
The control system of water heater effluent control device is by amplifying circuit 9 relatively, photoelectric isolating circuit 10, and power driving circuit 11, relay 12, power supply 13 and temperature control and demonstration, pressurization control circuit 14 are formed, and are as the criterion to realize above-mentioned control method.
Claims (6)
1. water heater effluent control device; It comprises water pipe, level sensor, temperature-sensitive level sensor; Water buffer (7); Water pump (8) and control system, water heater water out adapter A1 is connected with the second temperature-sensitive level sensor (5-2) with temperature-sensitive control valve (3-3) respectively through the first water pipe threeway, and temperature-sensitive control valve (3-3) is connected with hot water outlet pipe A through the first temperature-sensitive level sensor (5-1);
The second temperature-sensitive level sensor (5-2) is connected with water buffer (7) with water pump (8) through first reflux tube valve (3-1), first three-way control valve (4-1), and water buffer (7) is connected with water heater water supply connector B1 with second three-way control valve (4-2) through first level sensor (5-4);
Cold water inlet B is connected with water heater water supply connector B1 through the first cold water pipe control valve (2-1).
2. water heater effluent control device according to claim 1; It is characterized in that: cold water inlet B is connected with hydraulic pressure sensor (5-3) through the first cold water pipe control valve (2-1); Hydraulic pressure sensor (5-3) is connected with the 4th cold water pipe control valve (2-4) with the second cold water pipe control valve (2-2) respectively through the two ends of cold water pipe threeway; The 4th cold water pipe control valve (2-4) is connected with water heater water supply connector B1, and the second cold water pipe control valve (2-2) is connected between first reflux tube valve (3-1) and first three-way control valve (4-1) through the water pipe threeway;
Water pump 8 is connected with water buffer (7) through second reflux tube valve (3-2); Water pump (8) is connected with pressure inlet control valve (6) through the two ends of water pipe threeway respectively with second reflux tube valve (3-2), and pressure inlet control valve (6) is connected with water heater water supply connector B1 through the 3rd cold water pipe control valve (2-3).
3. water heater effluent control device according to claim 1; It is characterized in that: water heater water out adapter A1 is through the 3rd three-way control valve (4-3), and second level sensor (5-5) is connected with the second temperature-sensitive level sensor (5-2) with temperature-sensitive control valve (3-3) respectively with the first water pipe threeway;
The second temperature-sensitive level sensor (5-2) is connected with the water pipe four-way through first reflux tube valve (3-1); A bite of water pipe four-way is connected with cold water inlet B with the first cold water pipe control valve (2-1) through hydraulic pressure sensor (5-3); Water pump (8) is connected with water buffer (7) through second reflux tube valve (3-2); Be provided with the second water pipe threeway between water pump (8) and second reflux tube valve (3-2); Two mouthfuls of the water pipe four-way are connected with water buffer (7) with second reflux tube valve (3-2) through first three-way control valve (4-1), water pump (8), the second water pipe threeway, and water buffer (7) passes through first level sensor (5-4) and is connected with water heater water supply connector B1 with second three-way control valve (4-2); Two mouthfuls of the water pipe four-way are connected with water heater water supply connector B1 with the 3rd cold water pipe control valve (2-2,2-3) through second; Water pump (8) and second reflux tube valve (3-2) be three mouthfuls and pressure inlet control valve (6) through the second water pipe threeway respectively, with second with the 3rd cold water pipe control valve 2-2,2-3) water pipe of centre is connected.
4. the control method of the described water heater effluent control device of claim 1 is characterized in that: each sensor, water pump before opening, reflux tube valve (3-1); Second three-way control valve (4-2) cuts out, and temperature-sensitive control valve (3-3) is opened, when opening hot water outlet pipe A; And when water temperature was lower than the default water temperature in the pipe, the first temperature-sensitive level sensor (5-1) signaled, and temperature-sensitive control valve (3-3) is closed; Water pump (8) starts; First reflux tube valve (3-1) is opened, and first three-way control valve (4-1) switching-over is in the whole pump water inlet buffers of the cold water among the hot water outlet pipe A (7);
When the second temperature-sensitive level sensor (5-2) sends when reaching the set water temperature signal; Temperature-sensitive control valve (3-3) is opened; First reflux tube valve (3-1) is closed; First three-way control valve (4-1) commutates once more, second three-way control valve (4-2) switching-over, and water pump (8) is sent the water of water buffer (7) in the water heater water supply connector B1 to through second three-way control valve (4-2);
When first level sensor (5-4) detects when anhydrous here, water pump (8) cuts out, second three-way control valve (4-2) switching-over; For preheating the type water heater, in the time of need in water heater, adding entry, start the first cold water pipe control valve (2-1); For instant hot type water heater, when opening hot water outlet pipe A, the first cold water pipe control valve (2-1) is opened simultaneously.
5. the control method of the described water heater effluent control device of claim 2 is characterized in that: each sensor, water pump before opening, reflux tube valve (3-1); Second three-way control valve (4-2) cuts out, and temperature-sensitive control valve (3-3) is opened, and pressure inlet control valve (6) is closed; When opening hot water outlet pipe A; And when water temperature was lower than system's initial value in the pipe, the first temperature-sensitive level sensor (5-1) signaled, and temperature-sensitive control valve (3-3) is closed; Water pump (8) starts; First and second reflux tube valve (3-1), (3-2) open, and first three-way control valve (4-1) switching-over is in the whole pump water inlet buffers of the cold water among the hot water outlet pipe A (7);
When the second temperature-sensitive level sensor (5-2) sends when reaching the set water temperature signal; Temperature-sensitive control valve (3-3) is opened; First reflux tube valve (3-1) is closed; First three-way control valve (4-1) commutates once more, second three-way control valve (4-2) switching-over, and water pump (8) is sent the water of water buffer (7) in the water heater water supply connector B1 to through second reflux tube valve (3-2) and second three-way control valve (4-2);
When first level sensor (5-4) detects when anhydrous here, water pump 8 and second reflux tube valve (3-2) are closed, second three-way control valve (4-2) switching-over; For preheating the type water heater, in the time of need in water heater, adding entry, start first, fourth cold water pipe control valve (2-1), (2-4); For instant hot type water heater, when opening hot water outlet pipe A, first, fourth cold water pipe control valve (2-1), (2-4) open simultaneously, and the second cold water pipe control valve (2-2) at hydraulic pressure just often is in closed condition;
When hydraulic pressure sensor (5-3) sends the not enough signal of hydraulic pressure; Second and third cold water pipe control valve (2-2), (2-3) open; The 4th cold water pipe control valve (2-4) is closed; First and second reflux tube valve (3-1), (3-2) close, and the one or three ventilating controller (4-1), water pump (8) and pressure inlet control valve (6) start, and system is in pressurized state.
6. the control method of the described water heater effluent control device of claim 3 is characterized in that: each sensor, water pump before opening, first and second reflux tube valve (3-1), (3-2); First and second three-way control valve (4-1), (4-2) and pressure inlet control valve (6) are in closed condition, temperature-sensitive control valve (3-3); The 3rd three-way control valve (4-3) is opened; When opening hot water outlet pipe A, and when water temperature is lower than the default water temperature in the pipe: temperature-sensitive control valve (3-3) is closed, and the first temperature-sensitive level sensor (5-1) signals; Water pump (8) starts; First and second reflux tube valves (3-1), (3-2) are opened, and first three-way control valve (4-1) switching-over is when second level sensor (5-5) sends anhydrous signal; Temperature-sensitive control valve (3-3) is opened, in the whole pump water inlet buffers of the cold water of hot water outlet pipe A middle and lower part (7);
When the second temperature-sensitive level sensor (5-2) sends anhydrous and reaches the set water temperature signal; Temperature-sensitive control valve (3-3) is opened; First reflux tube valve (3-1) is closed; First three-way control valve (4-1) commutates once more, second three-way control valve (4-2) switching-over, and water pump (8) is sent the water of water buffer (7) in the water heater water supply connector B1 to through second reflux tube valve (3-2) and second three-way control valve (4-2);
When first level sensor (5-4) detects when anhydrous here, water pump 8 and second reflux tube valve (3-2) are closed, second three-way control valve (4-2) switching-over; For preheating the type water heater, in the time of need in water heater, adding cold water, start first, second and add water with the 3rd cold water pipe control valve (2-1), (2-2), (2-3); For instant hot type water heater; When opening hot water outlet pipe A and when water temperature reaches the default water temperature in the pipe; First, second is opened with the 3rd cold water pipe control valve (2-1), (2-2), (2-3) simultaneously; When water temperature was lower than the default water temperature in the pipe, first, second was closed with the 3rd cold water pipe control valve (2-1), (2-2), (2-3) simultaneously;
When hydraulic pressure sensor (5-3) sends the not enough signal of hydraulic pressure; The second cold water pipe control valve (2-2) is closed; The first and the 3rd cold water pipe control valve (2-1), (2-3) are in opening; The one or three ventilating controller (4-1), water pump (8) and pressure inlet control valve (6) start, and system is in pressurized state.
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| CN201110325710A CN102331091A (en) | 2011-10-25 | 2011-10-25 | Water outlet control device and method for water heater |
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| CN201110325710A CN102331091A (en) | 2011-10-25 | 2011-10-25 | Water outlet control device and method for water heater |
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| CN102331091A true CN102331091A (en) | 2012-01-25 |
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| CN201110325710A Pending CN102331091A (en) | 2011-10-25 | 2011-10-25 | Water outlet control device and method for water heater |
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| CN103245051A (en) * | 2013-04-27 | 2013-08-14 | 杭州德标科技有限公司 | Instant water heater |
| CN104792012A (en) * | 2015-05-06 | 2015-07-22 | 长沙理工大学 | Water supply device with function of circularly using cold and hot water and control method thereof |
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