CN109323454A - A kind of water-saving system of water heater - Google Patents
A kind of water-saving system of water heater Download PDFInfo
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- CN109323454A CN109323454A CN201811262288.4A CN201811262288A CN109323454A CN 109323454 A CN109323454 A CN 109323454A CN 201811262288 A CN201811262288 A CN 201811262288A CN 109323454 A CN109323454 A CN 109323454A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 437
- 238000004064 recycling Methods 0.000 claims abstract 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 30
- 239000008399 tap water Substances 0.000 claims description 13
- 235000020679 tap water Nutrition 0.000 claims description 13
- 230000009977 dual effect Effects 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007616 round robin method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- -1 solar energy Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
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- 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
- F24H9/0005—Details for water heaters
-
- 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
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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
The present invention relates to a kind of water-saving system of water heater, which includes that pressure water heater, circulation combination tap, cold water pipe network and hot water pipe net, pressure water heater mainly include water heater and circularly-supercharged pump.Circularly-supercharged pump keeps hot water pipe net high-pressure state when hot water pipe net is in closed state, continuously runs when hot water pipe net, which is in, discharges water or connect cold water pipe network.The characteristics of recycling combination tap is that the faucet can allow cold water pipe network and hot water pipe net in leading internal switching or disconnection in the case where keeping and not being discharged when people's water, when hot water temperature is unsatisfactory for requirement, cold water pipe network is connected with hot water pipe net, and when hot water temperature meets requirement, cold water pipe network and hot water pipe net disconnect and faucet made to go out hot water.The system has saved the cold water that water heater uses early period, stabilizes water supply of water heater pressure, easy to operate, simple installation is low in cost, easy to spread.
Description
Technical field
The present invention relates to a kind of water-saving systems to belong to water heater structure portion more particularly to a kind of water-saving system of water heater
Part technical field.
Background technique
As people's living standard increasingly improves, every household has all popularized water heater.Water heater type on the market is numerous
It is more, there are electric energy, combustion gas, solar energy, air energy etc. by heating energy source point.Water heater installs the safety that usually consider installation site
Property, space size and the composite factors such as at a distance from heating energy source.And hot water tap is usually what multiple spot was arranged, and such as: peace
Mounted in toilet, kitchen, hand washing sink etc..Therefore generally there is one section of longer connecting tube between water heater and hot water tap.When
When we open hot water tap, since the water in water heater internal duct and connecting tube is cold, so water heater must be bled off
To the cold water between faucet, hot water could be come out after waiting hot water that gradually pipeline is heated up.In north cold area, pipeline heating
Caused waste is especially apparent.These useless cold water are normally referred to as " water heater cold water early period ".Assuming that there is 200,000,000 families man in the whole nation
Water heater is installed in front yard, and each household uses 1 time daily, and wasting cool water quantity early period every time is 2 liters, then the water of whole nation waste in 1 year
There are 1.46 hundred million tons of water, this is unacceptable for the national conditions of China's water shortage.
In order to avoid waste caused by " water heater cold water early period " in vain discharge, a variety of methods are developed to solve this
A problem.These methods can be roughly divided into two types: water storage method and round-robin method.So-called water storage method is exactly that water heater is cold early period
Water gets up cold water storage at hot water tap, in case it is used.Such as: CN207260251U disclose a kind of hot and cold water tap with
The connected Domestic water-saving device of toilet seat, the device are spare in toilet seat water tank cold water storage early period.The drawbacks of this method
It is that not can guarantee cold water yield early period to match with toilet seat water requirement just, to make troubles and waste, the other program
The more improper manually-operated gate with water is further related to operate, it is comparatively laborious, it is unfavorable for promoting.So-called round-robin method, be exactly in close proximity to
The cold water in return pipe is pressed into heat using power at water heater by additional piece return pipe of connection on the hot-water line of hot water tap
In the cold water pipe of hydrophone, circulating-heating is until the temperature at hot water tap opens hot water tap after reaching setting value.Such as:
CN103104981B discloses a kind of water-saving device of water heater, which detects hot water outlet water temperature using temperature sensor, such as
Fruit temperature is lower than setting value, then PLC controls a Special valve and connects by hot-water line with return pipe, logical with pump handle cold water early period
It crosses return pipe and cold water pipe indentation water heater heats again, for circulating-heating until temperature reaches set temperature, PLC controls spy again
Different valve connects hot-water line with hot water outlet while cutting off return pipe reflux.The program realizes circulating-heating, may be implemented
Save the purpose of cold water water heater early period.But if valve, PLC are together with water pump, it is clear that each hot water point of use will
A set of such device is installed, it is very difficult for the bathroom of space anxiety, and cost is high；If valve, PLC and water pump
It is not together, it is clear that also want laying signal wire, performance difficulty；Return water will be connected to be formed on water heater cold water water inlet pipe and follow
Ring is implemented also relatively difficult.The present invention is directed to above-mentioned difficulties and limitation, proposes a kind of water-saving system of water heater.
Summary of the invention
The object of the present invention is to provide a kind of water-saving system of water heater, which makes full use of existing structure member, section
The about water heater cold water that uses early period, stabilizes water supply of water heater pressure, easy to operate, simple installation is low in cost, is easy to
It promotes.
To achieve the goals above, technical scheme is as follows: water-saving system of water heater, which is characterized in that described
Water-saving system of water heater includes pressure water heater, circulation combination tap, cold water pipe network and hot water pipe net；The pressure water heater
Water inlet and cold water pipe network connection, wherein the water outlet of pressure water heater and hot water pipe net connection, recycle the cold water of combination tap
Water inlet and cold water pipe network connection, recycle the water inlet of hot water and hot water pipe net connection of combination tap, the cold water pipe network with from
Carry out pipe network connection, the quantity of the circulation combination tap is at least one.
As an improvement of the present invention, the pressure water heater include pressurization cycle pump, water heater, pressure energy storage tank,
Pressure switch and connecting pipeline；The pressurization cycle pump and the water heater take coupled in series；The Pressure energy accumulator and pressure
Power switch is arranged on the outlet pipe of the pressurization cycle pump, and the pressurization cycle pump is equipped with check-valves, the increasing in entrance side
Press circulating pump that there is check function.
As an improvement of the present invention, the pressure switch is able to detect the pressure of hot water pipe net, the pressure switch
Two threshold values of high pressure and low pressure can be set, the pressure switch detects that the pressure of the hot water pipe net is greater than the high pressure threshold
The power supply of the pressurization cycle pump is closed when value, the pressure switch detects that the pressure of the hot water pipe net is less than the low pressure
The power supply of the pressures cycle pump is opened when threshold value, the low pressure threshold is greater than the maximum pressure of the tap water pipe network, described
HVT high voltage threshold is greater than the low pressure threshold, and the low pressure threshold and the optimal difference of the maximum pressure of the tap water pipe network are
The optimal difference of 0.05MPa ~ 0.1MPa, the HVT high voltage threshold and the low pressure threshold is 0.05MPa ~ 0.1MPa.
As an improvement of the present invention, the water heater is gas heater, electric heating hot water, air energy thermal water
One of device, solar water heater；General solar water heater water-storage pressure connects atmosphere, therefore the water heater is using too
When positive energy water heater, the pressurization cycle pump is concatenated into the downstream of the water heater, to keep hot water pipe net high pressure.
As an improvement of the present invention, the circulation combination tap is equipped with cold water inlet, water inlet of hot water and mixes
The side of circulation combination tap is arranged in water water outlet, the cold water inlet, water inlet of hot water, and mixed water water outlet setting is following
The other side of ring combination tap.
As an improvement of the present invention, the circulation combination tap includes combination tap, circulating valve, cold water threeway and heat
Water threeway；Two ports of cold water threeway one end with the cold water inlet of the combination tap and the circulating valve respectively
Connection, second port of the cold water threeway are the cold water inlets of the circulation combination tap；The two of the hot water threeway
A port other end connection with the water inlet of hot water of the combination tap and the circulating valve respectively, the of the hot water threeway
Three ports are the water inlet of hot water of the circulation combination tap；The mixed water water outlet of the combination tap is exactly that the circulation is mixed
The water outlet of tap.
As an improvement of the present invention, the circulation combination tap includes combination tap and mixed water out valve, described mixed
The cold water inlet and water inlet of hot water of tap are the cold water inlet and water inlet of hot water of the circulation combination tap respectively,
One end of the mixed water out valve by being threadably mounted at the mixed water water outlet of the combination tap, the mixed water out valve it is another
One end is the mixed water water outlet of the circulation combination tap.
The circulation combination tap includes cold water threeway, dual valve, two-position three-way valve, cold valves and mixed water threeway；Wherein
Dual valve includes first via valve and the second road valve, and mutually connection, the both ends of the first via valve do not join two-way valve respectively
The first end of the first end and the two-position three-way valve in cold water threeway is connect, the both ends of second road valve couple mixed water respectively
The second end of the first end of threeway and the two-position three-way valve, the first via valve and the second road valve are synchronous unlatchings and close
It closes；One end of the two-position three-way valve is the water inlet of hot water of the circulation combination tap；The second end of the cold water threeway
It is the cold water inlet of the circulation combination tap, the third end of the cold water threeway and one end of cold valves, the cold valves
Other end couple with one end of mixed water threeway, the other end of the mixed water threeway be it is described circulation combination tap mixed water
Water outlet.
As an improvement of the present invention, the circulating valve is that hand-operated valve, motor-driven valve, adjustable delay valve, temperature control are instantaneously closed
One of valve closing.
As an improvement of the present invention, the mixed water out valve is hand-operated valve, motor-driven valve, adjustable delay valve, temperature control wink
When one of opening valve.
As an improvement of the present invention, the two-position three-way valve is hand-operated valve, motor-driven valve, adjustable delay valve, temperature control wink
When one of switching valve.
As an improvement of the present invention, the circulating valve or mixed water out valve or two-position three-way valve use the hand-operated valve
Or hot water water inlet end is provided with a heat indicator when adjustable delay valve；The circulating valve or mixed water out valve or two three
Port valve uses and hot water water inlet end is provided with a temperature switch when motor-driven valve, and the temperature switch is used to control the electricity
The on/off of dynamic valve, the preferred solenoid valve of motor-driven valve, the preferred adjustable temperature switch of temperature switch.
Compared with the existing technology, advantages of the present invention is as follows: 1) the technical solution structure is compact to design ingenious, does not need specially
The water storage container of door, does not need return pipe yet, and the water of saving can be returned to water heater by cold water pipe network or be used by other places
Fall；2) program does not need special signal wire to trigger the starting and closing of pressurization cycle pump；3) technical solution takes one
Platform it is circularly-supercharged pump and it is multiple circulation combination taps combinations, solve the problems, such as multiple spot invested with water occasion water-saving device it is big,
System is succinctly reliable, invests small；4) technical solution is easy to operate, is easy to grasp；5) because of pressurization cycle pump in the program
The stability of pressure stabilization function, hot water flow and pressure is greatly improved；6) in the program combination tap have it is automatic, manually,
Delay mode implements that flexibly, for different crowds and occasion, different embodiments, adaptable, application surface can be taken
Extensively；7) program only needs to change water heater and replacement/transformation combination tap on a small quantity and can be achieved with facilitating water-saving effect, especially suitable
The transformation of the most hot-water heating system of existing storage is closed, to solve the problems, such as that water heater cold water early period provides solution way on a large scale
Diameter has very significant social benefit.
Detailed description of the invention
Fig. 1 is water-saving system of water heater overall structure diagram；
Fig. 2 is pressure water heater structural schematic diagram；
Fig. 3-Fig. 5 is circulation three kinds of different structural schematic diagrams of combination tap；
In figure: 1, pressure water heater, 2, circulation combination tap, 3, cold water pipe network, 4, hot water pipe net, 11, pressurization cycle pump, 12,
Water heater, 13, pressure energy storage tank, 14, pressure switch, 16, connecting pipeline, 17, the water inlet of pressure water heater, 18, pressurization heat
The water outlet of hydrophone, 21, cold water inlet, 22, water inlet of hot water, 23, mixed water water outlet, 24, combination tap, 25, circulating valve,
26, cold water threeway, 27, hot water threeway.
Specific embodiment:
In order to further enhance the appreciation and understanding of the invention, it is further described the present invention with reference to the accompanying drawings and detailed description.
Embodiment 1: referring to Fig. 1, Fig. 2, a kind of water-saving system of water heater, the water-saving system of water heater includes pressurized hot water
Device 1, circulation combination tap 2, cold water pipe network 3 and hot water pipe net 4；The water inlet 17 and cold water pipe network 3 of the pressure water heater 1
Logical, wherein the water outlet 18 of pressure water heater and 4 connection of hot water pipe net, recycle the cold water inlet 21 and cold water of combination tap 2
3 connection of pipe network recycles the water inlet of hot water 22 and 4 connection of hot water pipe net, the cold water pipe network 3 and tap water pipe network of combination tap
The quantity of connection, the circulation combination tap 2 is at least one.
Referring to fig. 2, the pressure water heater 1 is opened including pressurization cycle pump 11, water heater 12, pressure energy storage tank 13, pressure
Close 14 and connecting pipeline 16；The pump of the pressurization cycle according to water (flow) direction 11 and the water heater 12 take coupled in series, described
Coupled in series it is preferable that pressurization cycle pump 11 be mounted in the water heater 12 upstreams；The Pressure energy accumulator 13 and pressure
Switch 14 is arranged on the outlet pipe of the pressurization cycle pump 11, and the pressurization cycle pump 11 is equipped with check-valves, institute in entrance side
Stating pressurization cycle pump has check function.The pressure switch 14 is able to detect the pressure of hot water pipe net 4, the pressure switch 14
Two threshold values of high pressure and low pressure can be set, the pressure switch 14 detects that the pressure of the hot water pipe net 4 is greater than the height
The power supply of the pressurization cycle pump 11 is closed when pressing threshold value, the pressure switch 14 detects that the pressure of the hot water pipe net 4 is small
The power supply of the pressures cycle pump 11 is opened when the low pressure threshold, the low pressure threshold is greater than the tap water pipe network most
High pressure, the HVT high voltage threshold are greater than the low pressure threshold, the low pressure threshold and the maximum pressure of the tap water pipe network
Optimal difference is 0.05MPa ~ 0.1MPa, the optimal difference of the HVT high voltage threshold and the low pressure threshold be 0.05MPa ~
0.1MPa；The circulation combination tap 2 is equipped with cold water inlet 21, water inlet of hot water 22 and mixed water water outlet 23, described to follow
There are three types of internal structures for ring combination tap 2.Entire technical solution structure is compact to design ingenious, does not need special water storage container,
Return pipe is not needed, the water of saving can be returned to water heater by cold water pipe network or be used up by other places yet；The program is not required to
Special signal wire is wanted to trigger the starting and closing of pressurization cycle pump；A circularly-supercharged pump is taken to follow in the program with multiple
It is big to solve the problems, such as that multiple spot is invested with water occasion water-saving device for the combination of ring combination tap.
Embodiment 2: referring to Fig. 3, a kind of circulation combination tap, the circulation combination tap 2 includes combination tap 24, circulation
Valve 25, cold water threeway 26 and hot water threeway 27；Two ports 261 and 262 of the cold water threeway 26 respectively with the mixed fire hose
First 24 cold water inlet 241 and 251 connection of one end of the circulating valve 25, the third port 263 of the cold water threeway 26
It is the cold water inlet 21 of the circulation combination tap 2；Two ports 271 and 272 of the hot water threeway 27 respectively with it is described
The water inlet of hot water 242 of combination tap 24 and 252 connection of the other end of the circulating valve 25, the third of the hot water threeway 26
Port 263 is the water inlet of hot water 22 of the circulation combination tap 2；The mixed water water outlet 243 of the combination tap 24 is exactly institute
State the water outlet 23 of circulation combination tap.In use, first turning on circulating valve 25 before the hot water for opening combination tap 24, allowing
4 connection of cold water pipe network 3 and hot water pipe net, since hot water pipe net pressure drops to the pressure of tap water pipe network (lower than pressure switch
Low pressure threshold), so pressure switch 14 automatically turn on pressurization cycle pump 11, tap water pipe network pressure is constant to lead to pressurization cycle
Pump is always maintained at operation, and water heater cold water early period just returns to water heater 12 by circulating valve 25 and cold water pipe network therewith, so follows
Back and forth until temperature reaches sets requirement circulating valve is automatically closed using artificial or delay or temperature control, then operation is opened mixed in ring
Tap 24, normal use hot water, since hot water pipe net 4 connects atmosphere, circularly-supercharged pump 11 continues pressure-stabilizing water supply, mixed when closing
When tap 24, the moment raising due to closing of the pressure of hot water pipe net causes pressure switch 14 to reach HVT high voltage threshold and disconnect
The power supply of pressurization cycle pump, so far whole system restores to the original state.
Embodiment 3: referring to fig. 4, a kind of circulation combination tap, the circulation combination tap 2 includes combination tap 24 and mixes
Water out valve 28, the cold water inlet 241 and water inlet of hot water 242 of the combination tap 24 are the circulation combination tap respectively
2 cold water inlet 21 and water inlet of hot water 22, one end 281 of the mixed water out valve 28 is by being threadably mounted at the mixed water
The mixed water water outlet 243 of faucet 24, the other end 282 of the mixed water out valve 28 are the mixed water water outlets of the circulation combination tap
Mouth 23.In use, allowing the hot water or cold water of combination tap 24 all in maximum opening first, make cold water pipe network 3 and hot water pipe net 4
The connection inside faucet, and mixed water out valve 28 is kept to be in close state simultaneously, since hot water pipe net pressure drops to originally
The pressure (lower than the low pressure threshold of pressure switch) of pipe network, so pressure switch 14 automatically turns on pressurization cycle pump 11, originally
Pipe network pressure is constant to cause pressurization cycle pump to be always maintained at operation, and water heater cold water early period just passes through 24 He of combination tap therewith
Cold water pipe network returns to water heater 12, loops back and forth like this until temperature reaches sets requirement, using artificial or delay or temperature control from
It is dynamic to open mixed water out valve 28, then adjust combination tap 24, normal use hot water, since hot water pipe net 4 connects atmosphere, circulation
Booster pump 11 continues pressure-stabilizing water supply, and when closing combination tap 24, the moment raising due to closing of the pressure of hot water pipe net causes
Pressure switch 14 reaches HVT high voltage threshold and disconnects the power supply that pressurization cycle pumps, and so far whole system restores to the original state.
Embodiment 4: referring to Fig. 5, a kind of circulation combination tap, the circulation combination tap 2 includes cold water threeway 26, duplex
Valve 29, two-position three-way valve 210, cold valves 211 and mixed water threeway 212；Wherein dual valve 29 includes first via valve 291 and second
Road valve 292, mutually connection, the both ends 2911 and 2912 of the first via valve 291 are not connected in cold water three to two-way valve respectively
The first end 2102 of logical first end 261 and the two-position three-way valve 210,2921 He of both ends of second road valve 292
2922 couple the second end 2103 of the first end 2121 of mixed water threeway and the two-position three-way valve, the first via valve respectively
291 with the second road valve 292 be it is synchronous open and close；One end 2101 of the two-position three-way valve 210 is that the circulation is mixed
The water inlet of hot water 22 of tap 2；The second end 263 of the cold water threeway is the cold water inlet of the circulation combination tap 2
21, one end 2111 of the third end 262 of the cold water threeway and cold valves couples, the other end 2112 of the cold valves and mixed
One end 2122 of water threeway couples, and the other end 2123 of the mixed water threeway is the mixed water water outlet of the circulation combination tap 2
Mouth 23.In use, 210 original state of two-position three-way valve is in the state of gating 2101 and 2102, gating movement can be hand
Dynamic or temperature is automatic or is delayed what button controlled, then opens dual valve 29, makes cold water pipe network 3 and hot water pipe net 4 in dragon
The internal connection of head, since hot water pipe net pressure drops to the pressure (lower than the low pressure threshold of pressure switch) of tap water pipe network, institute
Pressurization cycle pump 11 is automatically turned on pressure switch 14, tap water pipe network pressure is constant to cause pressurization cycle pump to be always maintained at fortune
Row, water heater cold water early period are just returned by two-position three-way valve 210, the first via valve 291 of dual valve 29 and cold water pipe network therewith
To water heater 12, loop back and forth like this until temperature reaches sets requirement, using artificial or delay ends automatically or temperature control is automatic
Switch two-position three-way valve 210, the state of gating 2101 and 2103 mixes water threeway and normally goes out hot water, since hot water pipe net 4 is connected greatly
Gas, circularly-supercharged pump 11 continue pressure-stabilizing water supply, when closing dual valve 24, the pressure of hot water pipe net moment liter due to closing
Height causes pressure switch 14 to reach HVT high voltage threshold and disconnects the power supply that pressurization cycle pumps, and so far whole system restores to the original state.
Embodiment 5: referring to Fig. 1, Fig. 2, as an improvement of the present invention, the water heater 12 is gas heater, electricity
One of heat hot water device, air energy water heater, solar water heater.
Embodiment 6: referring to Fig. 1, Fig. 2, as an improvement of the present invention, the circulating valve 25 be hand-operated valve, motor-driven valve,
One of valve is instantaneously closed in adjustable delay valve, temperature control.
Embodiment 7: referring to Fig. 1, Fig. 2, as an improvement of the present invention, the mixed water out valve 28 is hand-operated valve, electricity
One of dynamic valve, adjustable delay valve, the instantaneous opening valve of temperature control.
Embodiment 8: referring to Fig. 1, Fig. 2, as an improvement of the present invention, the two-position three-way valve 210 is hand-operated valve, electricity
One of dynamic valve, adjustable delay valve, the instantaneous switching valve of temperature control.
Embodiment 9: referring to Fig. 1, Fig. 2, as an improvement of the present invention, the circulating valve 25 or mixed water out valve 28 or
Two-position three-way valve 210 is provided with a heat indicator in hot water water inlet end using when the hand-operated valve or adjustable delay valve；Institute
It states circulating valve 25 or mixed water out valve 28 or two-position three-way valve 210 and hot water water inlet end is provided with one using when the motor-driven valve
Temperature switch, the temperature switch are used to control the on/off of the motor-driven valve, the preferred solenoid valve of motor-driven valve, the temperature
Degree switchs preferred adjustable temperature switch.
Working principle: the cold water pipe network that the system is naturally coupled using each combination tap as return water water storage container,
Using a short-circuit valve is first opened before hot water, which is connected in the cold water pipe network on combination tap and between hot water pipe net,
Water heater is squeezed into cold water pipe network to the cold water in the hot water line between hot water point of use under the action of pressurization cycle pump, together
When trigger water heater working, after the water temperature at combination tap reaches requirement, close short-circuit valve, release hot water.Due to heat
Pressurization cycle pump in hydrophone can keep the pressure for being higher than cold water pipe network when hot water pipe net is closed, so once cold and hot
Pipe network short circuit or hot water tap go out hot water, and hot water pipe net pressure reduction will trigger pressurization cycle pump startup, once hot water
Faucet and short-circuit valve are closed, and hot water pipe net moment under the power output that pressurization cycle pumps just reaches setting high pressure and stops working,
Therefore also there is no need to the control signal between hot water tap and circularly-supercharged pump is transmitted with special signal wire.
Three kinds of different circulation combination tap cooperation water-saving system of water heater are described in the program to carry out using above-mentioned reality
Apply example may be performed in different combinations according to actual needs, form more preferably technical solution.
It should be noted that above-described embodiment is only presently preferred embodiments of the present invention, there is no for the purpose of limiting the invention
Protection scope, the equivalent substitution or substitution made on the basis of above scheme, all belongs to the scope of protection of the present invention.
Claims (12)
1. a kind of water-saving system of water heater, which is characterized in that the water-saving system of water heater includes pressure water heater (1), circulation
Combination tap (2), cold water pipe network (3) and hot water pipe net (4)；The water inlet and cold water pipe network (3) connection of the pressure water heater,
The water outlet and hot water pipe net (4) connection of pressure water heater recycle the cold water inlet (21) and cold water pipe network of combination tap (2)
(3) connection recycles the water inlet of hot water (22) and hot water pipe net (4) connection, the cold water pipe network (3) and tap water of combination tap
The quantity of pipe network connection, circulation combination tap (2) is at least one.
2. water-saving system of water heater according to claim 1, which is characterized in that the pressure water heater (1) includes increasing
Press circulating pump (11), water heater (12), pressure energy storage tank (13), pressure switch (14) and connecting pipeline (16)；The pressurization follows
Ring pump (11) and the water heater (12) take coupled in series；The Pressure energy accumulator (13) and pressure switch (14) are arranged in institute
On the outlet pipe for stating pressurization cycle pump (11), the pressurization cycle pump (11) is equipped with check-valves in entrance side.
3. water-saving system of water heater according to claim 2, which is characterized in that the pressure switch (14) is able to detect
The pressure of hot water pipe net (4), the pressure switch (14) set two threshold values of high pressure and low pressure, pressure switch (14) detection
The power supply of pressurization cycle pump (11), the pressure are closed when being greater than the HVT high voltage threshold to the pressure of the hot water pipe net (4)
Power switch (14), which detects, opens the pressures cycle pump (11) when the pressure of the hot water pipe net (4) is less than the low pressure threshold
Power supply, the low pressure threshold be greater than the tap water pipe network maximum pressure, the HVT high voltage threshold be greater than the low pressure threshold,
The difference of the maximum pressure of the low pressure threshold and the tap water pipe network is 0.05MPa ~ 0.1MPa, the HVT high voltage threshold and institute
The difference for stating low pressure threshold is 0.05MPa ~ 0.1MPa.
4. according to water-saving system of water heater described in claims 1 or 2 or 3, which is characterized in that the water heater (12) is combustion
One of gas water heater, electric heating hot water, air energy water heater, solar water heater；The water heater (12) is using too
When positive energy water heater, the pressurization cycle pump (11) is concatenated into the downstream of the water heater (12).
5. water-saving system of water heater according to claim 1, which is characterized in that set on the circulation combination tap (2)
There are cold water inlet (21), water inlet of hot water (22) and mixed water water outlet (23), the cold water inlet (21), water inlet of hot water
(22) it is arranged in the side of circulation combination tap (2), mixes water water outlet (23) setting in the other side of circulation combination tap (2).
6. water-saving system of water heater according to claim 5, which is characterized in that the circulation combination tap (2) includes
Combination tap (24), circulating valve (25), cold water threeway (26) and hot water threeway (27)；Two ports of the cold water threeway (26)
(261 and 262) one end (251) with the cold water inlet (241) of the combination tap (24) and the circulating valve (25) respectively
Connection, second port (263) of the cold water threeway (26) are the cold water inlets (21) of circulation combination tap (2)；
Two ports (271 and 272) of the hot water threeway (27) respectively with the water inlet of hot water (242) of the combination tap (24) and
The other end (252) connection of the circulating valve (25), the third port (273) of the hot water threeway (27) are that the circulation is mixed
The water inlet of hot water (22) of tap (2)；The mixed water water outlet (243) of the combination tap (24) is exactly that described recycle mixes the fire hose
The water outlet (23) of head.
7. water-saving system of water heater according to claim 5, which is characterized in that the circulation combination tap (2) includes
Combination tap (24) and mixed water out valve (28), the cold water inlet (241) and water inlet of hot water of the combination tap (24)
It (242) is the cold water inlet (21) and water inlet of hot water (22) for recycling combination tap (2), the mixed water out valve respectively
(28) one end (281) is by being threadably mounted at the mixed water water outlet (243) of the combination tap (24), the mixed water out valve
(28) the other end (282) is the mixed water water outlet (23) of the circulation combination tap.
8. water-saving system of water heater according to claim 5, which is characterized in that the circulation combination tap (2) includes
Cold water threeway (26), dual valve (29), two-position three-way valve (210), cold valves (211) and mixed water threeway (212)；Wherein dual valve
It (29) include first via valve (291) and the second road valve (292), the mutual not connection of two-way valve, the first via valve (291)
Both ends (2911 and 2912) be connected in respectively cold water threeway first end (261) and the two-position three-way valve (210) first
It holds (2102), the both ends (2921 and 2922) of second road valve (292) couple the first end (2121) of mixed water threeway respectively
With the second end (2103) of the two-position three-way valve, the first via valve (291) is synchronous unlatching with the second road valve (292)
With closing；One end (2101) of the two-position three-way valve (210) is the water inlet of hot water of circulation combination tap (2)
(22)；The second end (263) of the cold water threeway is the cold water inlet (21) of circulation combination tap (2), the cold water
The third end (262) of threeway and one end (2111) connection of cold valves, the other end (2112) of the cold valves and mixed water three
Logical one end (2122) connection, the other end (2123) of the mixed water threeway are that the mixed water of circulation combination tap (2) goes out
The mouth of a river (23).
9. according to claims 1 or 6 or 7 or 8 water-saving system of water heater, which is characterized in that the circulating valve (25) or
It is provided with when mixed water out valve (28) or two-position three-way valve (210) are using the hand-operated valve or adjustable delay valve in hot water water inlet end
One heat indicator；The circulating valve (25) or mixed water out valve (28) or two-position three-way valve (210) use the motor-driven valve
When hot water water inlet end is provided with a temperature switch, the temperature switch is used to control the on/off of the motor-driven valve, institute
State the preferred solenoid valve of motor-driven valve, the preferred adjustable temperature switch of temperature switch.
10. a kind of circulation combination tap, which is characterized in that the circulation combination tap (2) includes combination tap (24), circulating valve
(25), cold water threeway (26) and hot water threeway (27)；Two ports (261 and 262) of the cold water threeway (26) respectively with institute
State the cold water inlet (241) of combination tap (24) and one end (251) connection of the circulating valve (25), the cold water threeway
(26) second port (263) is the cold water inlet (21) of circulation combination tap (2)；The hot water threeway (27)
Two ports (271 and 272) are another with the water inlet of hot water (242) of the combination tap (24) and the circulating valve (25) respectively
One end (252) connection, the third port (273) of the hot water threeway (27) be it is described circulation combination tap (2) hot water into
The mouth of a river (22)；The mixed water water outlet (243) of the combination tap (24) is exactly the water outlet (23) of the circulation combination tap.
11. a kind of circulation combination tap, which is characterized in that the circulation combination tap (2) includes combination tap (24) and mixed water
Outlet valve (28), the cold water inlet (241) and water inlet of hot water (242) of the combination tap (24) are that the circulation is mixed respectively
One end (281) of the cold water inlet (21) and water inlet of hot water (22) of tap (2), the mixed water out valve (28) passes through spiral shell
Line is mounted on the mixed water water outlet (243) of the combination tap (24), and the other end (282) of the mixed water out valve (28) is institute
State the mixed water water outlet (23) of circulation combination tap.
12. a kind of circulation combination tap, which is characterized in that the circulation combination tap (2) includes cold water threeway (26), dual valve
(29), two-position three-way valve (210), cold valves (211) and mixed water threeway (212)；Wherein dual valve (29) includes first via valve
(291) and the second road valve (292), the mutual not connection of two-way valve, the both ends (2911 and 2912) of the first via valve (291)
It is connected in the first end (261) of cold water threeway and the first end (2102) of the two-position three-way valve (210), second tunnel respectively
The both ends (2921 and 2922) of valve (292) couple respectively mixed water threeway first end (2121) and the two-position three-way valve the
Two ends (2103), the first via valve (291) and the second road valve (292) are synchronous open and close；Described two three
One end (2101) of port valve (210) is the water inlet of hot water (22) of circulation combination tap (2)；The second of the cold water threeway
End (263) is the cold water inlet (21) of circulation combination tap (2), the third end (262) of the cold water threeway and cold water
One end (2111) of valve couples, and the other end (2112) of the cold valves couples with one end (2122) of mixed water threeway, described
The other end (2123) of mixed water threeway is the mixed water water outlet (23) of circulation combination tap (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262288.4A CN109323454B (en) | 2018-10-27 | 2018-10-27 | Water-saving system of water heater and circulating mixing tap |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811262288.4A CN109323454B (en) | 2018-10-27 | 2018-10-27 | Water-saving system of water heater and circulating mixing tap |
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| Publication Number | Publication Date |
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| CN109323454A true CN109323454A (en) | 2019-02-12 |
| CN109323454B CN109323454B (en) | 2024-06-18 |
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| US20120031498A1 (en) * | 2007-12-17 | 2012-02-09 | Aharon Carmel | Water supply system and method |
| CN201688572U (en) * | 2010-05-27 | 2010-12-29 | 北京清华阳光能源开发有限责任公司 | Cold-water recycling and reusing hot-water system |
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| EP2687788A1 (en) * | 2012-07-18 | 2014-01-22 | Francisco Javier Lardies Sobreviela | System for stopping water flow in water use installations |
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| Publication number | Publication date |
|---|---|
| CN109323454B (en) | 2024-06-18 |
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