CN110220299A - A kind of control method of gas and hot water equipment and gas and hot water equipment - Google Patents
A kind of control method of gas and hot water equipment and gas and hot water equipment Download PDFInfo
- Publication number
- CN110220299A CN110220299A CN201910648186.4A CN201910648186A CN110220299A CN 110220299 A CN110220299 A CN 110220299A CN 201910648186 A CN201910648186 A CN 201910648186A CN 110220299 A CN110220299 A CN 110220299A
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- controlled valve
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- temperature
- setting
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 410
- 238000000034 method Methods 0.000 title claims description 16
- 239000008400 supply water Substances 0.000 claims abstract description 83
- 230000000295 complement effect Effects 0.000 claims abstract description 59
- 239000007789 gas Substances 0.000 claims abstract description 29
- 239000002737 fuel gas Substances 0.000 claims abstract description 5
- 238000010977 unit operation Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 39
- 238000001514 detection method Methods 0.000 claims description 25
- 230000005611 electricity Effects 0.000 claims description 10
- 238000005295 random walk Methods 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/12—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
- F24H1/124—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using fluid fuel
- F24H1/125—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using fluid fuel combined with storage tank
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
A kind of gas and hot water equipment, it include: heat exchanger, burner, controller, hot-water line, first water inlet pipe, burner is connected with fuel gas conduit, at least a kind of combusting firepower of burner, controller is responsible for handling signal, parameter and control unit operation are set, hot-water line is connected on water tank, first water inlet pipe and second circulation pipe, water tank is equipped at least with a temperature sensor, first circulation pipe, the part pipe of second circulation pipe and the first water inlet pipe is connected to water tank and heat exchanger, circulating pump is serially connected on first circulation pipe, the second electrically-controlled valve is serially connected on the junction of first circulation pipe and the first water inlet pipe to the first water inlet pipe of water tank, third electrically-controlled valve is serially connected on the junction of first circulation pipe and the first water inlet pipe to the first water inlet pipe of the water tank other end, water flow sensing unit is serially connected on hot-water line, gas and hot water equipment tool The advantages of having simple structure, energy conservation and environmental protection, water supply water temperature stability, zero cold water and can providing multiple forms of energy to complement each other.
Description
Technical field
The present invention relates to hot water facility technical fields, more particularly to a kind of gas and hot water equipment that can be provided multiple forms of energy to complement each other and hot water
The control method of equipment.
Background technique
Existing hot water facility is many kinds of, and every kind of hot water facility has advantage and disadvantage, solar water heater and heat-pump hot-water
When device environment temperature is high, illumination is good, energy-saving effect is obvious, and winter substantially can not independent heat supply;Gas heater heating speed is fast,
Energy-saving effect is unobvious;Electric water heater heating speed is slow, and powerful electric heater has an impact to power peak value, to power circuit
It is required that high;The integration complementation that each equipment room lacks is used.
Gas heater temperature detecting point is mainly inlet and outlet pipes temperature, and thermometric jump is big;Temperature control rely primarily on combustion gas and
Water flow proportional valve or water vapor linked valve, its structure is complicated, and maintenance difficulty is high, and constant temperature effect is poor;Be difficult to accomplish water temperature stability and
Zero cold water.
Summary of the invention
For the above problem of existing hot water facility, the present invention provides a kind of gas and hot water equipment and combustion that can be provided multiple forms of energy to complement each other
The control method of gas hot water facility, the gas and hot water equipment have that energy conservation and environmental protection, structure be simple, water supply water temperature stability, zero cold water
The advantages of with that can provide multiple forms of energy to complement each other.
The technical problem to be solved by the present invention is to what is realized by technical solution below: a kind of gas and hot water is set
It is standby, comprising: heat exchanger, burner, controller, hot-water line, the first water inlet pipe, burner are connected with fuel gas conduit, and burner is at least
There is a kind of combusting firepower, controller is responsible for handling signal, setting parameter and control unit operation, is connected with hot water on water tank
Pipe, the first water inlet pipe and second circulation pipe, water tank is equipped at least with a temperature sensor, first circulation pipe, second circulation pipe
Be connected to water tank and heat exchanger with the part pipe of the first water inlet pipe, be serially connected with circulating pump on first circulation pipe, first circulation pipe and
The second electrically-controlled valve, first circulation pipe and the first water inlet are serially connected on the junction of first water inlet pipe to the first water inlet pipe of water tank
It is serially connected with third electrically-controlled valve on the junction of pipe to the first water inlet pipe of the water tank other end, water flow sensing is serially connected on hot-water line
Device.
Further, the first water inlet pipe external connection includes external to cold water pipe and return pipe.
Optionally, third electrically-controlled valve is removed, the first electrically-controlled valve is concatenated on hot-water line.
Further, the second water inlet pipe is connected to water tank by branch pipe, and the second water inlet pipe be connected to hot-water line, branch pipe with
The 4th electrically-controlled valve is serially connected on the second water inlet pipe between hot-water line, the second outlet pipe concatenates the 6th electrically-controlled valve and is connected to first circulation
It manages, is serially connected with the 5th electrically-controlled valve on the second outlet pipe and first circulation pipe junction to the first circulation pipe of heat exchanger.
Optionally, the 6th electrically-controlled valve is serially connected on branch pipe.
Further, the first electrically-controlled valve is serially connected on the second water inlet pipe and hot-water line junction to the hot-water line of water tank,
Check valve is serially connected on branch pipe.
Optionally, booster pump is serially connected on hot-water line.
Optionally, the second electrically-controlled valve and third electrically-controlled valve are replaced with an integral valve, the 5th electrically-controlled valve and the 6th electrically-controlled valve
It is replaced with an integral valve, the first electrically-controlled valve and the 4th electrically-controlled valve are replaced with an integral valve.
The present invention also provides a kind of gas and hot water equipment progress control methods, this method comprises:
A, timing or continuous operation.
S1, temperature sensor detection temperature close third electrically-controlled valve, it is automatically controlled to open second lower than setting supply water temperature range
Valve starts burner and circulating pump, runs heating schedule, it is ensured that temperature sensor detects temperature in setting supply water temperature range.
S2, detect return water temperature lower than setting return water temperature range when, close the second electrically-controlled valve, open third it is automatically controlled
Valve starts circulating pump, it is ensured that return water temperature is in setting return water temperature range.
S3, opening third electrically-controlled valve supply water outward.
B, random walk.
S1, water flow sensing unit detect that pipeline there are flowing out.
S2, temperature sensor detection temperature close third electrically-controlled valve, it is automatically controlled to open second lower than setting supply water temperature range
Valve starts burner and circulating pump, runs heating schedule, it is ensured that temperature sensor 8 detects temperature in setting supply water temperature range.
S3, detect return water temperature lower than setting return water temperature range when, close the second electrically-controlled valve, open third it is automatically controlled
Valve starts circulating pump, it is ensured that return water temperature is in setting return water temperature range.
S4, opening third electrically-controlled valve supply water outward.
Water flow sensing unit is not detected pipeline and there are flowing out in S5, setting time, out of service, and the holding of third electrically-controlled valve is beaten
Open state.
It provides multiple forms of energy to complement each other gas and hot water equipment progress control method the present invention also provides one kind, this method comprises:
When the complementary hot water facility supply water temperature of S1, the second water inlet pipe and the connection of the second outlet pipe are higher than safe temperature range, close
The 4th electrically-controlled valve is closed, opens the second electrically-controlled valve, circulating pump and the 6th electrically-controlled valve, the temperature of temperature sensor detection is in set temperature
When in range.
A, complementary hot water facility is bearing device, closes the second electrically-controlled valve, opens third electrically-controlled valve, circulating pump and the 5th electricity
Control valve, it is ensured that return water temperature is in setting return water temperature range, and when supplying water outward, temperature sensor detection temperature is higher than setting and supplies water
Temperature range, opens the second electrically-controlled valve and third electrically-controlled valve, and temperature sensor detects temperature lower than setting supply water temperature range, opens
Open third electrically-controlled valve and the 6th electrically-controlled valve.
B, complementary hot water facility is non-bearing device, and it is automatically controlled to open the first electrically-controlled valve, third electrically-controlled valve, circulating pump and the 5th
Valve closes the 6th electrically-controlled valve, it is ensured that and return water temperature is in setting return water temperature range, when supplying water outward, opens the first electrically-controlled valve, by
Complementary hot water facility starts booster pump when supplying water, temperature sensor detects temperature and is higher than setting supply water temperature range, opens second
Electrically-controlled valve and third electrically-controlled valve, temperature sensor detect temperature lower than setting supply water temperature range, close the second electrically-controlled valve and the
Three electrically-controlled valves.
The complementary hot water facility supply water temperature of S2, the second water inlet pipe and the connection of the second outlet pipe lower than safe temperature range and
When higher than within the scope of setting supply water temperature.
A, complementary hot water facility is bearing device, and the 4th electrically-controlled valve, opening third electrically-controlled valve, circulating pump and the 6th are automatically controlled
Valve, it is ensured that return water temperature opens the 4th electrically-controlled valve, supply water outward in setting return water temperature range.
B, complementary hot water facility is non-bearing device, opens the second electrically-controlled valve, circulating pump and the 6th electrically-controlled valve, closes third
Electrically-controlled valve opens the first electrically-controlled valve, third electrically-controlled valve, circulating pump when temperature sensor detects temperature within the scope of set temperature
With the 5th electrically-controlled valve, the 6th electrically-controlled valve is closed, it is ensured that return water temperature opens the 4th in setting return water temperature range when supplying water outward
Electrically-controlled valve starts booster pump.
The complementary hot water facility supply water temperature of S3, the second water inlet pipe and the connection of the second outlet pipe are lower than setting supply water temperature model
When enclosing and being higher than low temperature reference range of temperature.
A, complementary hot water facility is bearing device, opens the second electrically-controlled valve, circulating pump, the 5th electrically-controlled valve and burner, fortune
Row heating schedule, temperature sensor detect temperature in set temperature range, it is automatically controlled to open third electrically-controlled valve, circulating pump and the 5th
Valve, it is ensured that return water temperature when temperature sensor detects temperature lower than setting supply water temperature range, is beaten in setting return water temperature range
The second electrically-controlled valve, circulating pump, the 5th electrically-controlled valve and burner are opened, heating schedule is run, it is ensured that temperature sensor detection temperature exists
Supply water temperature range is set, when supplying water outward, opens third electrically-controlled valve and the 6th electrically-controlled valve.
B, complementary hot water facility is non-bearing device, opens the second electrically-controlled valve, circulating pump, the 5th electrically-controlled valve and burner,
Heating schedule is run, temperature sensor detects temperature in set temperature range, opens the first electrically-controlled valve, third electrically-controlled valve, follows
Ring pump and the 5th electrically-controlled valve, it is ensured that return water temperature detects temperature and supply lower than setting in setting return water temperature range, temperature sensor
When coolant-temperature gage range, the second electrically-controlled valve, circulating pump, the 5th electrically-controlled valve and burner are opened, runs heating schedule, it is ensured that temperature passes
Sensor detects temperature in setting supply water temperature range, and the first electrically-controlled valve is opened when supplying water outward, closes third electrically-controlled valve, and starting increases
Press pump.
The complementary hot water facility supply water temperature of S4, the second water inlet pipe and the connection of the second outlet pipe are lower than low temperature reference temperature model
When enclosing, the 6th electrically-controlled valve is closed, opens the second electrically-controlled valve, circulating pump, the 5th electrically-controlled valve and burner, runs heating schedule, temperature
Sensor detection temperature is spent in set temperature range.
A, complementary hot water facility is bearing device, opens third electrically-controlled valve, circulating pump and the 5th electrically-controlled valve, it is ensured that return water temperature
It spends in setting return water temperature range, when temperature sensor detects temperature lower than setting supply water temperature range, the second electrically-controlled valve of opening,
Circulating pump, the 5th electrically-controlled valve and burner run heating schedule, it is ensured that temperature sensor 8 detects temperature in setting supply water temperature
Range when supplying water outward, opens the second electrically-controlled valve and third electrically-controlled valve.
B, complementary hot water facility is non-bearing device, and it is automatically controlled to open the first electrically-controlled valve, third electrically-controlled valve, circulating pump and the 5th
Valve, it is ensured that return water temperature when temperature sensor detects temperature lower than setting supply water temperature range, is beaten in setting return water temperature range
The second electrically-controlled valve, circulating pump, the 5th electrically-controlled valve and burner are opened, heating schedule is run, it is ensured that temperature sensor detection temperature exists
Supply water temperature range is set, when supplying water outward, opens the first electrically-controlled valve, the second electrically-controlled valve and third electrically-controlled valve 19.
The present invention compared with prior art the utility model has the advantages that the hot water facility have zero cold water, stable in outlet water temperature, energy conservation
Environmental protection can provide multiple forms of energy to complement each other, and structure is simple.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of embodiment of the invention;
Fig. 2 is the structural schematic diagram of another embodiment of the invention;
Fig. 3 is the structural schematic diagram of another embodiment of the invention;
In figure: 1, hot-water line, the 2, first water inlet pipe, the 3, second water inlet pipe, the 4, second outlet pipe, 5, fuel gas conduit, 6, burner, 7,
Heat exchanger, 8, temperature sensor, 9, water flow sensing unit, 10, controller, 11, check valve, 12, circulating pump, 13, booster pump, 14,
Water tank, 15, first circulation pipe, 16, second circulation pipe, the 17, first electrically-controlled valve, the 18, second electrically-controlled valve, 19, third electrically-controlled valve,
20, the 4th electrically-controlled valve, the 21, the 5th electrically-controlled valve, the 22, the 6th electrically-controlled valve, 23, branch pipe.
Specific embodiment
Below in conjunction with drawings and examples, the present invention is described in more detail.
First embodiment, as shown in Figure 1.
A kind of gas and hot water equipment, comprising: heat exchanger 7, burner 6, controller 10, hot-water line 1, the first water inlet pipe 2, combustion
Burner 6 is connected with fuel gas conduit 5, at least a kind of combusting firepower of burner 6, controller 10 be responsible for processing signal, setting parameter with
And control unit is run, and is connected with hot-water line 1, the first water inlet pipe 2 and second circulation pipe 16 on water tank 14, water tank 14 is at least
Equipped with a temperature sensor 8, first circulation pipe 15, second circulation pipe 16 are connected to water tank with the part pipe of the first water inlet pipe 2
14 and heat exchanger 7, it is serially connected with circulating pump 12 on first circulation pipe 15, the junction of first circulation pipe 15 and the first water inlet pipe 2 is arrived
It is serially connected with the second electrically-controlled valve 18 on first water inlet pipe 2 of water tank 14, the junction of first circulation pipe 15 and the first water inlet pipe 2 is arrived
It is serially connected with third electrically-controlled valve 19 on first water inlet pipe 2 of 14 other end of water tank, water flow sensing unit 9 is serially connected on hot-water line 1.
First water inlet pipe, 2 external connection includes external to cold water pipe and return pipe.
A kind of gas and hot water equipment progress control method, comprising:
A, timing or continuous operation.
S1, temperature sensor 8 detect temperature lower than setting supply water temperature range, close third electrically-controlled valve 19, open second
Electrically-controlled valve 18 starts burner 6 and circulating pump 12, runs heating schedule, it is ensured that temperature sensor 8 detects temperature and supplies water in setting
Temperature range stablizes supply water temperature.
S2, detect return water temperature lower than setting return water temperature range when, close the second electrically-controlled valve 18, open third electricity
Valve 19 is controlled, circulating pump 12 is started, it is ensured that return water temperature guarantees zero cold water in setting return water temperature range.
S3, the water supply outward of third electrically-controlled valve 19 is opened.
B, random walk.
S1, water flow sensing unit 9 detect that pipeline there are flowing out.
S2, temperature sensor 8 detect temperature lower than setting supply water temperature range, close third electrically-controlled valve 19, open second
Electrically-controlled valve 18 starts burner 6 and circulating pump 12, runs heating schedule, it is ensured that temperature sensor 8 detects temperature and supplies water in setting
Temperature range stablizes supply water temperature.
S3, detect return water temperature lower than setting return water temperature range when, close the second electrically-controlled valve 18, open third electricity
Valve 19 is controlled, circulating pump 12 is started, it is ensured that return water temperature guarantees zero cold water in setting return water temperature range.
S4, the water supply outward of third electrically-controlled valve 19 is opened.
Water flow sensing unit 9 is not detected pipeline and there are flowing out in S5, setting time, out of service, and third electrically-controlled valve 19 is protected
Hold opening state.
The working principle of the present embodiment is: hot-water line 1 to external supplying hot water, the first water inlet pipe 2 connect outer cold water pipe and
Return pipe detects the water temperature of water tank 14 by temperature sensor 8, decides whether that starting burner 6 and water circulating pump 12 heats
Water in water tank 14, it is ensured that water temperature stability, the second electrically-controlled valve 18 and the control of third electrically-controlled valve 19 are in cylinder 14
Water in water or return pipe, it is ensured that zero cold water, water flow sensing unit 9 judges whether to start heating schedule, when not needing hot water
Do not start heating schedule, increases energy-saving effect.
Second embodiment, as shown in Figure 2.
Second embodiment is provided on the basis of first embodiment, pressure-bearing of providing multiple forms of energy to complement each other gas and hot water equipment and first is in fact
Apply example except that:
Second water inlet pipe 3 is connected to water tank 14 by branch pipe 23, and the second water inlet pipe 3 is connected to hot-water line 1, in branch pipe 23 and hot water
The 4th electrically-controlled valve 20 is serially connected on the second water inlet pipe 3 between pipe 1, the second outlet pipe 4 concatenates the 6th electrically-controlled valve 22 connection first and follows
It is automatically controlled that the 5th is serially connected on endless tube 15, the second outlet pipe 4 and 15 junction of first circulation pipe to the first circulation pipe 15 of heat exchanger 7
Valve 21.
One kind is provided multiple forms of energy to complement each other pressure-bearing gas and hot water equipment progress control method, comprising:
When the complementary hot water facility supply water temperature of S1, the second water inlet pipe 3 and the connection of the second outlet pipe 4 are higher than safe temperature range,
The 4th electrically-controlled valve 20 is closed, the second electrically-controlled valve 18, circulating pump 12 and the 6th electrically-controlled valve 22, the temperature that temperature sensor 8 detects are opened
When degree is within the scope of set temperature, the second electrically-controlled valve 18 is closed, opens third electrically-controlled valve 19, circulating pump 12 and the 5th electrically-controlled valve
21, it is ensured that return water temperature is in setting return water temperature range, and when supplying water outward, temperature sensor 8 detects temperature and supplies water higher than setting
Temperature range, opens the second electrically-controlled valve 18 and third electrically-controlled valve 19, and temperature sensor 8 detects temperature lower than setting supply water temperature model
It encloses, opens third electrically-controlled valve 19 and the 6th electrically-controlled valve 22.
The complementary hot water facility supply water temperature of S2, the second water inlet pipe 3 and the connection of the second outlet pipe 4 are lower than safe temperature range
And when being higher than within the scope of setting supply water temperature, the 4th electrically-controlled valve 20 opens third electrically-controlled valve 19, circulating pump 12 and the 6th electrically-controlled valve
22, it is ensured that return water temperature opens the 4th electrically-controlled valve 20, supply water outward in setting return water temperature range.
The complementary hot water facility supply water temperature of S3, the second water inlet pipe 3 and the connection of the second outlet pipe 4 are lower than setting supply water temperature
Range and when being higher than low temperature reference range of temperature, opens the second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6,
Heating schedule is run, temperature sensor 8 detects temperature in set temperature range, opens third electrically-controlled valve 19,12 and of circulating pump
5th electrically-controlled valve 21, it is ensured that for return water temperature in setting return water temperature range, temperature sensor 8 detects temperature lower than setting for water temperature
When spending range, the second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6 are opened, runs heating schedule, it is ensured that temperature
It spends sensor 8 and detects temperature in setting supply water temperature range, when supplying water outward, open third electrically-controlled valve 19 and the 6th electrically-controlled valve
22。
The complementary hot water facility supply water temperature of S4, the second water inlet pipe 3 and the connection of the second outlet pipe 4 are lower than low temperature reference temperature
When range, the 6th electrically-controlled valve 22 is closed, opens the second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6, operation
Heating schedule, temperature sensor 8 detect temperature in set temperature range, open third electrically-controlled valve 19, circulating pump 12 and the 5th
Electrically-controlled valve 21, it is ensured that for return water temperature in setting return water temperature range, temperature sensor 8 detects temperature lower than setting supply water temperature model
When enclosing, the second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6 are opened, runs heating schedule, it is ensured that temperature passes
Sensor 8 detects temperature in setting supply water temperature range, when supplying water outward, opens the second electrically-controlled valve 18 and third electrically-controlled valve 19.
The working principle of the present embodiment is: hot-water line 1 to external supplying hot water, the first water inlet pipe 2 connect outer cold water pipe and
Return pipe, the second water inlet pipe 3 and the second outlet pipe 4 connect complementary hot water facility.
A, when complementary hot water facility water temperature is higher than safe temperature range, the second electrically-controlled valve 18, circulating pump 12 and the are opened
Six electrically-controlled valves 22 make temperature sensor 8 detect temperature in set temperature range, turn off the second electrically-controlled valve 18, open third electricity
Valve 19, circulating pump 12 and the 5th electrically-controlled valve 21 are controlled, makes return water temperature in range of set value, it is ensured that zero cold water, when supplying water to outside,
Temperature sensor 8 detects temperature and is higher than range of set value, opens the second electrically-controlled valve 18 and third electrically-controlled valve 19, temperature sensor 8
It detects temperature and is lower than range of set value, open third electrically-controlled valve 19 and the 6th electrically-controlled valve 22, it is ensured that water temperature stability.
B, when complementary hot water facility water temperature is lower than safe temperature range and is higher than setting supply water temperature range, the 4th is opened
Electrically-controlled valve 20, third electrically-controlled valve 19, circulating pump 12 and the 6th electrically-controlled valve 22, make return water temperature in range of set value, it is ensured that zero is cold
Water opens the 4th electrically-controlled valve 20 and supplies water to outside.
C, it when complementary hot water facility water temperature is lower than setting supply water temperature range and is higher than low temperature reference range of temperature, opens
Second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6 run heating schedule, temperature sensor 8 are made to detect temperature
Degree turns off the second electrically-controlled valve 18 in set temperature range, opens third electrically-controlled valve 19, circulating pump 12 and the 5th electrically-controlled valve 21,
Make return water temperature in range of set value, it is ensured that zero cold water, when temperature sensor 8 detects temperature lower than setting supply water temperature range,
The second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6 are opened, heating schedule is run, examines temperature sensor 8
Testing temperature is in setting supply water temperature range, it is ensured that it is automatically controlled to open third electrically-controlled valve 19 and the 6th for water temperature stability when supplying water to outside
Valve 22, it is preferential to use the warm water for being higher than low temperature reference range of temperature in complementary hot water facility.
D, when complementary hot water facility water temperature be lower than low temperature reference range of temperature when, open the second electrically-controlled valve 18, circulating pump 12,
5th electrically-controlled valve 21 and burner 6 run heating schedule, so that temperature sensor 8 is detected temperature in set temperature range, turn off
Second electrically-controlled valve 18 opens third electrically-controlled valve 19, circulating pump 12 and the 5th electrically-controlled valve 21, makes return water temperature in range of set value,
Ensure that zero cold water opens the second electrically-controlled valve 18, circulating pump when temperature sensor 8 detects temperature lower than setting supply water temperature range
12, the 5th electrically-controlled valve 21 and burner 6 run heating schedule, and temperature sensor 8 is made to detect temperature in setting supply water temperature model
It encloses, it is ensured that water temperature stability opens the second electrically-controlled valve 18 and third electrically-controlled valve 19 when supplying water to outside.
This hot water facility connects pressure-bearing energy-saving hot water equipment, enhances hot water facility energy-saving and environmental protection function.
Third example is implemented, as shown in Figure 3.
3rd embodiment is provided on the basis of second embodiment, provide multiple forms of energy to complement each other non-pressure gas and hot water equipment and second
Embodiment except that:
First electrically-controlled valve 17 is serially connected on the second water inlet pipe 3 and 1 junction of hot-water line to the hot-water line 1 of water tank 14, check valve
11 are serially connected on branch pipe 23.
Booster pump 13 is serially connected on hot-water line 1.
One kind is provided multiple forms of energy to complement each other non-pressure gas and hot water equipment progress control method, comprising:
When the complementary hot water facility supply water temperature of S1, the second water inlet pipe 3 and the connection of the second outlet pipe 4 are higher than safe temperature range,
The 4th electrically-controlled valve 20 is closed, the second electrically-controlled valve 18, circulating pump 12 and the 6th electrically-controlled valve 22, the temperature that temperature sensor 8 detects are opened
When degree is within the scope of set temperature, the first electrically-controlled valve 17, third electrically-controlled valve 19, circulating pump 12 and the 5th electrically-controlled valve 21 are opened, is closed
Closing the 6th electrically-controlled valve 22, it is ensured that return water temperature is in setting return water temperature range, when supplying water outward, opens the first electrically-controlled valve 17, by
Start booster pump 13 when complementary hot water facility supplies water, temperature sensor 8 detects temperature and is higher than setting supply water temperature range, opens the
Two electrically-controlled valves 18 and third electrically-controlled valve 19, temperature sensor 8 detect temperature lower than setting supply water temperature range, it is automatically controlled to close second
Valve 18 and third electrically-controlled valve 19.
The complementary hot water facility supply water temperature of S2, the second water inlet pipe 3 and the connection of the second outlet pipe 4 are lower than safe temperature range
And when being higher than within the scope of setting supply water temperature, the second electrically-controlled valve 18, circulating pump 12 and the 6th electrically-controlled valve 22 are opened, closes third electricity
Valve 19 is controlled, when temperature sensor 8 detects temperature within the scope of set temperature, the first electrically-controlled valve 17 is opened, third electrically-controlled valve 19, follows
Ring pump 12 and the 5th electrically-controlled valve 21, close the 6th electrically-controlled valve 22, it is ensured that return water temperature supplies water outward in setting return water temperature range
When open the 4th electrically-controlled valve 20, start booster pump 13.
The complementary hot water facility supply water temperature of S3, the second water inlet pipe 3 and the connection of the second outlet pipe 4 are lower than setting supply water temperature
Range and when being higher than low temperature reference range of temperature, opens the second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6,
Heating schedule is run, temperature sensor 8 detects temperature in set temperature range, opens the first electrically-controlled valve 17, third electrically-controlled valve
19, circulating pump 12 and the 5th electrically-controlled valve 21, it is ensured that return water temperature detects temperature in setting return water temperature range, temperature sensor 8
When lower than setting supply water temperature range, the second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6 are opened, operation adds
Hot program, it is ensured that temperature sensor 8 detects temperature in setting supply water temperature range, opens the first electrically-controlled valve 17 when supplying water outward,
Third electrically-controlled valve 19 is closed, booster pump 13 is started.
The complementary hot water facility supply water temperature of S4, the second water inlet pipe 3 and the connection of the second outlet pipe 4 are lower than low temperature reference temperature
When range, the 6th electrically-controlled valve 22 is closed, opens the second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6, operation
Heating schedule, temperature sensor 8 detect temperature in set temperature range, open the first electrically-controlled valve 17, third electrically-controlled valve 19, follow
Ring pump 12 and the 5th electrically-controlled valve 21, it is ensured that in setting return water temperature range, the detection temperature of temperature sensor 8 is lower than to be set return water temperature
When determining supply water temperature range, the second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6, operation heating journey are opened
Sequence, it is ensured that temperature sensor 8 detects temperature in setting supply water temperature range, when supplying water outward, opens the first electrically-controlled valve 17, second
Electrically-controlled valve 18 and third electrically-controlled valve 19.
The working principle of the present embodiment is: hot-water line 1 to external supplying hot water, the first water inlet pipe 2 connect outer cold water pipe and
Return pipe, the second water inlet pipe 3 and the second outlet pipe 4 connect complementary hot water facility.
A, when complementary hot water facility water temperature is higher than safe temperature range, the second electrically-controlled valve 18, circulating pump 12 and the are opened
Six electrically-controlled valves 22 make temperature sensor 8 detect temperature in set temperature range, turn off the second electrically-controlled valve 18 and the 6th electrically-controlled valve
22, the first electrically-controlled valve 17, third electrically-controlled valve 19, circulating pump 12 and the 5th electrically-controlled valve 21 are opened, makes return water temperature in setting value model
It encloses, it is ensured that zero cold water when supplying water to outside, opens the first electrically-controlled valve 17, and temperature sensor 8 detects temperature and is higher than setting for water temperature
When spending range, the second electrically-controlled valve 18 and third electrically-controlled valve 19 are opened, temperature sensor 8 detects temperature lower than setting supply water temperature model
When enclosing, the second electrically-controlled valve 18 and third electrically-controlled valve 19 are closed, it is ensured that water temperature stability.
B, when complementary hot water facility water temperature is lower than safe temperature range and is higher than setting supply water temperature range, second is opened
Electrically-controlled valve 18, circulating pump 12 and the 6th electrically-controlled valve 22 make temperature sensor 8 detect temperature in set temperature range, then open the
One electrically-controlled valve 17, third electrically-controlled valve 19, circulating pump 12 and the 5th electrically-controlled valve 21, make return water temperature in range of set value, it is ensured that zero
Cold water opens the 4th electrically-controlled valve 20 and supplies water to outside.
C, when complementary hot water facility water temperature lower than setting supply water temperature range and is higher than low temperature reference range of temperature, the is opened
Two electrically-controlled valves 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6 run heating schedule, and temperature sensor 8 is made to detect temperature
In set temperature range, the second electrically-controlled valve 18 is turned off, opens the first electrically-controlled valve 17, third electrically-controlled valve 19, circulating pump 12 and the
Five electrically-controlled valves 21, make return water temperature in range of set value, it is ensured that zero cold water, temperature sensor 8 detect temperature and supply water lower than setting
When temperature range, the second electrically-controlled valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6 are opened, heating schedule is run, makes temperature
It spends sensor 8 and detects temperature in set temperature range, it is ensured that water temperature stability opens the first electrically-controlled valve 17 when supplying water to outside, closes
Third electrically-controlled valve 19 is closed, it is preferential to use the warm water for being higher than low temperature reference range of temperature in complementary hot water facility.
D, when complementary hot water facility water temperature be lower than low temperature reference range of temperature when, open the second electrically-controlled valve 18, circulating pump 12,
5th electrically-controlled valve 21 and burner 6 run heating schedule, so that temperature sensor 8 is detected temperature in set temperature range, turn off
Second electrically-controlled valve 18 opens the first electrically-controlled valve 17, third electrically-controlled valve 19, circulating pump 12 and the 5th electrically-controlled valve 21, makes return water temperature
In range of set value, it is ensured that zero cold water opens the second electricity when temperature sensor 8 detects temperature lower than setting supply water temperature range
Valve 18, circulating pump 12, the 5th electrically-controlled valve 21 and burner 6 are controlled, heating schedule is run, so that temperature sensor 8 is detected temperature and is setting
Determine temperature range, it is ensured that water temperature stability opens the first electrically-controlled valve 17, the second electrically-controlled valve 18 and third electrically-controlled valve when supplying water to outside
19。
Start booster pump 13 when being supplied water by complementary hot water facility.
This hot water facility connects non-pressure hot water facility, enhances hot water facility energy-saving and environmental protection function.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
The technical staff of art technology is in technical scope disclosed by the invention, and any changes or substitutions that can be easily thought of, should all cover
Within protection scope of the present invention.Protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of gas and hot water equipment, comprising: heat exchanger (7), burner (6), controller (10), hot-water line (1), the first water inlet
It manages (2), the burner (6) is connected with fuel gas conduit (5), at least a kind of combusting firepower of burner (6), the controller
(10) it is responsible for processing signal, setting parameter and control unit operation, is connected with the hot-water line (1), institute on water tank (14)
State the first water inlet pipe (2) and second circulation pipe (16), the water tank (14) is equipped at least with a temperature sensor (8), and first
Circulation pipe (15), the second circulation pipe (16) and the part pipe of first water inlet pipe (2) be connected to the water tank (14) and
The heat exchanger (7) is serially connected with circulating pump (12) on the first circulation pipe (15), which is characterized in that the first circulation pipe
(15) and on the junction of first water inlet pipe (2) to first water inlet pipe (2) of the water tank (14) it is serially connected with
The junction of two electrically-controlled valves (18), the first circulation pipe (15) and first water inlet pipe (2) is another to the water tank (14)
It is serially connected with third electrically-controlled valve (19) on first water inlet pipe (2) of one end, is serially connected with water flow sensing unit on the hot-water line (1)
(9).
2. gas and hot water equipment according to claim 1, which is characterized in that the first water inlet pipe (2) external connection packet
It includes external to cold water pipe and return pipe.
3. gas and hot water equipment according to claim 2, which is characterized in that the third electrically-controlled valve (19) is removed, in institute
It states and concatenates the first electrically-controlled valve (17) on hot-water line (1).
4. gas and hot water equipment according to claim 2, which is characterized in that the second water inlet pipe (3) is connected by branch pipe (23)
Lead to the water tank (14), second water inlet pipe (3) is connected to the hot-water line (1), in the branch pipe (23) and the heat
The 4th electrically-controlled valve (20) is serially connected on second water inlet pipe (3) between water pipe (1), the second outlet pipe (4) concatenation the 6th is automatically controlled
Valve (22) is connected to the first circulation pipe (15), second outlet pipe (4) and first circulation pipe (15) junction to institute
It states and is serially connected with the 5th electrically-controlled valve (21) on the first circulation pipe (15) of heat exchanger (7).
5. gas and hot water equipment according to claim 4, which is characterized in that the 6th electrically-controlled valve (22) is serially connected in described
On branch pipe (23).
6. gas and hot water equipment according to claim 4, which is characterized in that first electrically-controlled valve (17) is serially connected in described
On second water inlet pipe (3) and the hot-water line (1) junction to the hot-water line (1) of the water tank (14), check valve
(11) it is serially connected on the branch pipe (23).
7. gas and hot water equipment according to claim 6, which is characterized in that be serially connected with booster pump on the hot-water line (1)
(13).
8. gas and hot water equipment described according to claim 1 or 4 or 6, which is characterized in that second electrically-controlled valve (18) and institute
It states third electrically-controlled valve (19) to be replaced with an integral valve, the 5th electrically-controlled valve (21) and the 6th electrically-controlled valve (22) are with one
Integral valve replacement, first electrically-controlled valve (17) and the 4th electrically-controlled valve (20) are replaced with an integral valve.
9. a kind of gas and hot water equipment progress control method, which is characterized in that this method comprises:
A, timing or continuous operation:
S1, the temperature sensor (8) detection temperature are closed third electrically-controlled valve (19), are opened lower than setting supply water temperature range
Second electrically-controlled valve (18) starts the burner (6) and the circulating pump (12), runs heating schedule, it is ensured that the temperature
Sensor (8) detection temperature is spent in setting supply water temperature range;
S2, when detecting return water temperature lower than setting return water temperature range, second electrically-controlled valve (18) is closed, described in opening
Third electrically-controlled valve (19) starts the circulating pump (12), it is ensured that return water temperature is in setting return water temperature range;
S3, the third electrically-controlled valve (19) water supply outward is opened;
B, random walk:
S1, the water flow sensing unit (9) detect that pipeline there are flowing out;
S2, the temperature sensor (8) detection temperature close the third electrically-controlled valve (19) lower than setting supply water temperature range,
Second electrically-controlled valve (18) is opened, the burner (6) and the circulating pump (12) are started, runs heating schedule, it is ensured that institute
Temperature sensor (8) detection temperature is stated in setting supply water temperature range;
S3, when detecting return water temperature lower than setting return water temperature range, second electrically-controlled valve (18) is closed, described in opening
Third electrically-controlled valve (19) starts the circulating pump (12), it is ensured that return water temperature is in setting return water temperature range;
S4, the third electrically-controlled valve (19) water supply outward is opened;
Pipeline, which is not detected, in the water flow sensing unit (9) in S5, setting time there are flowing out, and out of service, the third is automatically controlled
Valve (19) is kept open.
The gas and hot water equipment progress control method 10. one kind is provided multiple forms of energy to complement each other, which is characterized in that this method comprises:
The complementary hot water facility supply water temperature of S1, second water inlet pipe (3) and second outlet pipe (4) connection are higher than safety
When temperature range, the 4th electrically-controlled valve (20) is closed, opens the second electrically-controlled valve (18), circulating pump (12) and the 6th electrically-controlled valve
(22), when the temperature of temperature sensor (8) detection is within the scope of set temperature;
Complementary hot water facility is bearing device, closes second electrically-controlled valve (18), opens the third electrically-controlled valve (19), described
Circulating pump (12) and the 5th electrically-controlled valve (21), it is ensured that return water temperature is described in setting return water temperature range, outside water supply
Temperature sensor (8) detects temperature and is higher than setting supply water temperature range, opens second electrically-controlled valve (18) and third electricity
It controls valve (19), temperature sensor (8) the detection temperature opens third electrically-controlled valve (19) and institute lower than setting supply water temperature range
State the 6th electrically-controlled valve (22);
Complementary hot water facility is non-bearing device, opens first electrically-controlled valve (17), the third electrically-controlled valve (19), described follows
Ring pumps (12) and the 5th electrically-controlled valve (21), closes the 6th electrically-controlled valve (22), it is ensured that return water temperature is in setting return water temperature
Range is spent, when supplying water outward, first electrically-controlled valve (17) is opened, starts the booster pump when being supplied water by complementary hot water facility
(13), temperature sensor (8) the detection temperature is higher than setting supply water temperature range, opens second electrically-controlled valve (18) and institute
It states third electrically-controlled valve (19), temperature sensor (8) the detection temperature closes second electricity lower than setting supply water temperature range
Control valve (18) and the third electrically-controlled valve (19);
The complementary hot water facility supply water temperature of S2, second water inlet pipe (3) and second outlet pipe (4) connection are lower than safety
Temperature range and be higher than setting supply water temperature within the scope of when;
Complementary hot water facility is bearing device, and the 4th electrically-controlled valve (20) opens the third electrically-controlled valve (19), the circulation
Pump (12) and the 6th electrically-controlled valve (22), it is ensured that return water temperature opens the 4th electrically-controlled valve in setting return water temperature range
(20), it supplies water outward;
Complementary hot water facility is non-bearing device, opens second electrically-controlled valve (18), the circulating pump (12) and the described 6th
Electrically-controlled valve (22) closes the third electrically-controlled valve (19), and temperature sensor (8) the detection temperature is within the scope of set temperature
When, open first electrically-controlled valve (17), the third electrically-controlled valve (19), the circulating pump (12) and the 5th electrically-controlled valve
(21), the 6th electrically-controlled valve (22) is closed, it is ensured that return water temperature opens the 4th in setting return water temperature range when supplying water outward
Electrically-controlled valve (20) starts the booster pump (13);
The complementary hot water facility supply water temperature of S3, second water inlet pipe (3) and second outlet pipe (4) connection are lower than setting
Supply water temperature range and be higher than low temperature reference range of temperature when;
Complementary hot water facility is bearing device, opens second electrically-controlled valve (18), the circulating pump (12), the described 5th automatically controlled
Valve (21) and the burner (6) run heating schedule, and the temperature sensor (8) detects temperature in set temperature range,
Open the third electrically-controlled valve (19), the circulating pump (12) and the 5th electrically-controlled valve (21), it is ensured that return water temperature is being set
It is automatically controlled to open described second when temperature sensor (8) the detection temperature is lower than setting supply water temperature range for return water temperature range
Valve (18), the circulating pump (12), the 5th electrically-controlled valve (21) and the burner (6) run heating schedule, it is ensured that described
Temperature sensor (8) detects temperature and opens the third electrically-controlled valve (19) and institute when supplying water outward in setting supply water temperature range
State the 6th electrically-controlled valve (22);
Complementary hot water facility is non-bearing device, opens second electrically-controlled valve (18), the circulating pump (12), the 5th electricity
Valve (21) and the burner (6) are controlled, runs heating schedule, temperature sensor (8) the detection temperature is in set temperature range
When, open first electrically-controlled valve (17), the third electrically-controlled valve (19), the circulating pump (12) and the 5th electrically-controlled valve
(21), it is ensured that return water temperature is in setting return water temperature range, and temperature sensor (8) the detection temperature is lower than setting supply water temperature
When range, second electrically-controlled valve (18), the circulating pump (12), the 5th electrically-controlled valve (21) and the burner are opened
(6), heating schedule is run, it is ensured that temperature sensor (8) the detection temperature is beaten when supplying water outward in setting supply water temperature range
First electrically-controlled valve (17) is opened, the third electrically-controlled valve (19) is closed, starts the booster pump (13);
The complementary hot water facility supply water temperature of S4, second water inlet pipe (3) and second outlet pipe (4) connection are lower than low temperature
When reference range of temperature, close the 6th electrically-controlled valve (22), open second electrically-controlled valve (18), the circulating pump (12),
5th electrically-controlled valve (21) and the burner (6), run heating schedule, and temperature sensor (8) the detection temperature is being set
When determining temperature range;
Complementary hot water facility is bearing device, opens the third electrically-controlled valve (19), the circulating pump (12) and the 5th electricity
It controls valve (21), it is ensured that return water temperature supplies water in setting return water temperature range, temperature sensor (8) the detection temperature lower than setting
When temperature range, second electrically-controlled valve (18), the circulating pump (12), the 5th electrically-controlled valve (21) and the burning are opened
Device (6) runs heating schedule, it is ensured that temperature sensor (8) the detection temperature supplies water outward in setting supply water temperature range
When, open second electrically-controlled valve (18) and the third electrically-controlled valve (19);
Complementary hot water facility is non-bearing device, opens first electrically-controlled valve (17), the third electrically-controlled valve (19), described follows
Ring pumps (12) and the 5th electrically-controlled valve (21), it is ensured that return water temperature is in setting return water temperature range, the temperature sensor (8)
When detecting temperature lower than setting supply water temperature range, second electrically-controlled valve (18), the circulating pump (12), the described 5th are opened
Electrically-controlled valve (21) and the burner (6) run heating schedule, it is ensured that temperature sensor (8) the detection temperature is supplied in setting
When supplying water outward, it is automatically controlled to open first electrically-controlled valve (17), second electrically-controlled valve (18) and the third for coolant-temperature gage range
Valve (19).
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CN201910648186.4A CN110220299A (en) | 2019-07-18 | 2019-07-18 | A kind of control method of gas and hot water equipment and gas and hot water equipment |
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CN201910648186.4A CN110220299A (en) | 2019-07-18 | 2019-07-18 | A kind of control method of gas and hot water equipment and gas and hot water equipment |
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ID=67812559
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111426055A (en) * | 2020-05-12 | 2020-07-17 | 珠海格力电器股份有限公司 | Water heater and control method thereof |
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CN109631320A (en) * | 2018-10-31 | 2019-04-16 | 中山市恒乐电器有限公司 | A kind of zero cold water gas heater with water tank |
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CN202048670U (en) * | 2010-08-25 | 2011-11-23 | 石朝权 | Concentrative heat supply and storage type fuel-gas hot water furnace |
CN202012982U (en) * | 2011-03-11 | 2011-10-19 | 上海安悦节能技术有限公司 | Life hot water system with multiple heat sources which are complementary |
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