CN206803504U - Natural Gas Water Heater return water system - Google Patents

Natural Gas Water Heater return water system Download PDF

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Publication number
CN206803504U
CN206803504U CN201720677361.9U CN201720677361U CN206803504U CN 206803504 U CN206803504 U CN 206803504U CN 201720677361 U CN201720677361 U CN 201720677361U CN 206803504 U CN206803504 U CN 206803504U
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CN
China
Prior art keywords
water
tap
water heater
temperature
return
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720677361.9U
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Chinese (zh)
Inventor
郭丽蕊
郭军强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan University WHU
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Wuhan University WHU
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Publication date
Application filed by Wuhan University WHU filed Critical Wuhan University WHU
Priority to CN201720677361.9U priority Critical patent/CN206803504U/en
Application granted granted Critical
Publication of CN206803504U publication Critical patent/CN206803504U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of Natural Gas Water Heater return water system, including temperature sensing device, two-bit triplet solenoid directional control valve, controller, water pump, return pipe.Temperature sensing device is located on water heater outlet close to tap one end, and during for detecting the water temperature of water heater outlet and be less than preset temperature for the water temperature in water heater outlet, the water in control water heater outlet is back to return pipe;Two-bit triplet solenoid directional control valve is located on water heater outlet between temperature sensing device and tap, and first is connected with water heater outlet, and second can be connected with tap or return pipe;The impeller installed on return pipe can prompt user's water temperature deficiency just in backwater.The check valve installed on heater inleting pipe can prevent the water reverse direction flow running water pipe of return pipe after starting of pump station.Each tap is respectively provided with single temperature sensing device and two-bit triplet solenoid directional control valve so as to ensure that the output water temperature of each tap is suitable.It is the utility model is designed reasonably, practical.

Description

Natural Gas Water Heater return water system
Technical field
It the utility model is related to field of water heaters, more particularly to a kind of water heater return water system.
Background technology
Current natural gas in home water heater first will arrange the cold water in the water pipe between water heater and tap when using Complete, hot water, which just oozes, to be come, and wastes great lot of water resources.Especially winter, if turned off gondola water faucet when beating shower cream, then open must Cold water outflow is had, has a strong impact on comfortableness, if be not related to and waste water resource.In order to solve this problem, notification number is CN103162414B Chinese invention patent, disclose a kind of " water heater and its return water system and control method ", but this time The temperature sensing device and triple valve of water system prevent temperature sensing device from sensing the temperature of water heater outlet in time on the return pipe The temperature of remaining water in return pipe can only be sensed, when the temperature of outlet pipe is adapted to and water temperature is relatively low in return pipe, will be started Water recovery apparatus, it so as to cause the waste of hot water and the energy, while can also trigger water supply end current off and on, influence bathing body Test;And the water heater, if multiple water supply ends, triple valve can only act on the water supply end of least significant end, the water supply of anterior locations End all can still go out cold water.
Utility model content
It can only sense backwater to overcome return water system in the prior art to sense the temperature of water heater outlet in time The temperature of remaining water and triple valve can only act on the defects of water supply end of least significant end in pipe, and the utility model provides a kind of day Right gas water heater return water system, it is close on water heater outlet using temperature sensing device and two-bit triplet solenoid directional control valve are arranged at Tap one end and each tap be respectively provided with a temperature sensing device and two-bit triplet solenoid directional control valve method overcome it is existing The defects of technology.
Technical scheme is used by the utility model solves its technical problem:A kind of Natural Gas Water Heater return water system, Including temperature sensing device, two-bit triplet solenoid directional control valve, controller, water pump, return pipe, the water pump is located on return pipe close to heat One end of water heater inlet pipe, controller are connected respectively with water pump, temperature sensing device and two-bit triplet solenoid directional control valve, temperature sensing device position In on water heater outlet close to tap one end, two-bit triplet solenoid directional control valve be located on water heater outlet temperature sensing device with Between tap, first is connected with water heater outlet, and second can be connected with tap or return pipe.
Above-mentioned Natural Gas Water Heater return water system, in addition to impeller, the impeller are located on return pipe.
Above-mentioned Natural Gas Water Heater return water system, in addition to check valve and stop valve, the stop valve are located at water heater On water inlet pipe, the check valve is between stop valve and water heater.
Above-mentioned Natural Gas Water Heater return water system, the controller also include guidance panel, can set on guidance panel Fixed two temperature values, one is lowest temperature angle value that tap goes out hot water, and referred to as the first temperature value, another is that tap stops Go out the numerical value reduced during hot water relative to first temperature value, referred to as second temperature value.
Above-mentioned Natural Gas Water Heater return water system, in addition to controller switches, the controller switches are located at tap On the hot-water switch of switch.
Above-mentioned Natural Gas Water Heater return water system, the tap can be set multiple, and each tap has independent Two-bit triplet solenoid directional control valve, temperature sensing device and impeller, share return pipe.
The beneficial effects of the utility model are the utility model water heater return water systems, using by temperature sensing device and two Three-way solenoid valve is arranged on the water temperature of the timely induction tap of mode of close tap one end on water heater outlet, such as The temperature of fruit tap does not reach design temperature, then tap not water outlet, and current follow between hot-water line, return pipe and water heater Ring, water temperature reach tap automatic outletting after the first temperature value, and water temperature drop value is automatically stopped water outlet after reaching second temperature value. The impeller installed on return pipe can rotate when backwater in-pipe flow is dynamic, so as to prompt user's water temperature deficiency return water system Backwater.The check valve installed on heater inleting pipe can be used in preventing the current direction cold water pipe of return pipe after starting of pump station.Often Individual tap is respectively provided with single temperature sensing device and two-bit triplet solenoid directional control valve so as to ensure the output water temperature of each tap Suitably.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 uses new schematic diagram for this;
Fig. 2 is the utility model water tap schematic diagram.
1. water heater in figure, 2. temperature sensing devices, 3. two-bit triplet solenoid directional control valves, 4. water pumps, 5. controllers, 6. water heaters Outlet pipe, 7. return pipes, 8. impellers, 9. water taps, 10. heater inleting pipes, 11. check valves, 12. stop valves, 13. certainly Come water pipe, 14. taps, 15. controller switches.
Embodiment
【Embodiment 1】
A kind of Natural Gas Water Heater return water system, including temperature sensing device 2, two-bit triplet solenoid directional control valve 3, controller 5, water Pump 4, return pipe 7.Temperature sensing device 2 is located on water heater outlet 6 close to the one end of tap 14, hot at tap 14 for detecting Water temperature in hydrophone outlet pipe 6 and for when the water temperature of water heater outlet 6 is less than preset temperature, controlling water outlet of water heater Water in pipe 6 is back to return pipe 7;Two-bit triplet solenoid directional control valve 3 is located at temperature sensing device 2 and the fire hose on water heater outlet 6 Between first 14, first is connected with water heater outlet 6, and second can be connected with tap 14 or return pipe 7, when water temperature reaches The second of two-bit triplet solenoid directional control valve 3 is connected with tap 14 during design temperature, and tap 14 starts to provide hot water, works as water The second of two-bit triplet solenoid directional control valve 3 is connected with return pipe 7 when temperature is not up to design temperature, cold-water reflux to return pipe 7 In;Controller 5 is connected respectively with water pump 4, temperature sensing device 2 and two-bit triplet solenoid directional control valve 3, in water heater outlet 6 When interior water temperature is less than preset temperature, control two-bit triplet solenoid directional control valve 3 so that water heater outlet 6 connects with return pipe 7, and Cold water in water heater outlet 6 is withdrawn into heater inleting pipe 10 by control water pump 4 through return pipe 7;Water pump 4 is located at return pipe Close to one end of heater inleting pipe 10 on 7.
In use, setting the temperature of water heater 1 as t, the first temperature value of the guidance panel of controller 5 is t1, it is desirable to t >= t1.Second temperature value is Δ t1, and Δ t1 maximums are 10 °.Water tap 9 is opened, is also turned on controller switches 15, temperature-sensitive Device 2 detects that water temperature is less than t1- Δ t1, and two-bit triplet solenoid directional control valve 3 must be electric, and water heater outlet 6 connects with return pipe 7 Logical, water pump 4 starts after 0.5s to 1s, promotes current to be circulated between water heater outlet 6, return pipe 7 and water heater 1.Deng sense When warm device 2 detects that water temperature reaches t1, controller makes the dead electricity of two-bit triplet solenoid directional control valve 3, water heater outlet 6 and the fire hose First 14 connection, now tap 14 starts hot water.
【Embodiment 2】
The difference of embodiment 2 and embodiment 1 is that above-mentioned Natural Gas Water Heater return water system may also include impeller 8, The impeller 8 is located on return pipe 7, and impeller 8 rotates when water flows in return pipe 7, prompts user's water temperature deficiency return water system Just in backwater.Meanwhile check valve 11 and stop valve 12 are may also include, the stop valve 12 is located on heater inleting pipe 10, institute Check valve 11 is stated between water heater 1 and stop valve 12, check valve 11 effectively prevents current from running out of circulating ring, if return pipe 7 have cutout, and the meeting of heater inleting pipe 10 does not go out automatically by running water pipe 13, the amount of makeup water of check valve 11, now tap 14 Water.The controller 5 may also include guidance panel, and two temperature values can be set on guidance panel, and one is that tap 14 goes out The lowest temperature angle value of hot water, referred to as the first temperature value, another is relative to first temperature when tap 14 stops hot water It is worth the numerical value reduced, referred to as second temperature value.The Natural Gas Water Heater return water system may also include controller switches 15, be used for The start and stop of controller 5 are controlled, the controller switches 15 are located on the hot-water switch of water tap 9.
【Embodiment 3】
The difference of embodiment 3 and embodiment 1 or embodiment 2 is that multiple, Mei Geshui can be set in the tap 14 Tap 14 has independent two-bit triplet solenoid directional control valve 3, temperature sensing device 2 and impeller 8, shares return pipe 7.

Claims (6)

1. a kind of Natural Gas Water Heater return water system, including temperature sensing device, two-bit triplet solenoid directional control valve, controller, water pump, return Water pipe, the water pump are located on return pipe close to one end of heater inleting pipe, controller and water pump, temperature sensing device and two three Electric change valve connects respectively, it is characterised in that temperature sensing device is located on water heater outlet close to tap one end, two Three-way solenoid valve is located on water heater outlet between temperature sensing device and tap, first with water heater outlet phase Even, second can be connected with tap or return pipe.
2. a kind of Natural Gas Water Heater return water system according to claim 1, it is characterised in that described also including impeller Impeller is located on return pipe.
3. a kind of Natural Gas Water Heater return water system according to claim 2, it is characterised in that also including check valve and cut Only valve, the stop valve are located on heater inleting pipe, and the check valve is between stop valve and water heater.
4. a kind of Natural Gas Water Heater return water system according to claim 3, it is characterised in that the controller also includes Guidance panel, can set two temperature values on guidance panel, and one is lowest temperature angle value that tap goes out hot water, and referred to as first Temperature value, another is that tap stops the numerical value reduced during hot water relative to first temperature value, referred to as second temperature value.
5. a kind of Natural Gas Water Heater return water system according to claim 4, it is characterised in that also opened including controller Close, the controller switches are located on the hot-water switch of water tap.
6. a kind of Natural Gas Water Heater return water system according to claim 1 or 5, it is characterised in that the tap can Set multiple, each tap has independent two-bit triplet solenoid directional control valve, temperature sensing device and impeller, shares return pipe.
CN201720677361.9U 2017-06-12 2017-06-12 Natural Gas Water Heater return water system Expired - Fee Related CN206803504U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720677361.9U CN206803504U (en) 2017-06-12 2017-06-12 Natural Gas Water Heater return water system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720677361.9U CN206803504U (en) 2017-06-12 2017-06-12 Natural Gas Water Heater return water system

Publications (1)

Publication Number Publication Date
CN206803504U true CN206803504U (en) 2017-12-26

Family

ID=60746483

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720677361.9U Expired - Fee Related CN206803504U (en) 2017-06-12 2017-06-12 Natural Gas Water Heater return water system

Country Status (1)

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CN (1) CN206803504U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111486502A (en) * 2020-04-17 2020-08-04 海信(广东)厨卫系统有限公司 Water supply system and control method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111486502A (en) * 2020-04-17 2020-08-04 海信(广东)厨卫系统有限公司 Water supply system and control method thereof
CN111486502B (en) * 2020-04-17 2021-09-07 海信(广东)厨卫系统有限公司 Water supply system and control method thereof

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171226

Termination date: 20210612