CN103216939A - Three-port leakage-proof device for water storing container of water heater and water heater - Google Patents
Three-port leakage-proof device for water storing container of water heater and water heater Download PDFInfo
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- CN103216939A CN103216939A CN2013100896683A CN201310089668A CN103216939A CN 103216939 A CN103216939 A CN 103216939A CN 2013100896683 A CN2013100896683 A CN 2013100896683A CN 201310089668 A CN201310089668 A CN 201310089668A CN 103216939 A CN103216939 A CN 103216939A
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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
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
- F24H9/133—Storage heaters
- F24H9/136—Arrangement of inlet valves used therewith
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- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a three-port leakage-proof device for a water storing container of a water heater. The device comprises a water inlet part serving as a water inlet water supply channel of the water storing container, and a water outlet part which is communicated with the water outlet of the water storing container, wherein a communicating cavity is formed between the water inlet part and the water outlet part; a diaphragm valve which is used for communicating or disconnecting the water inlet and the water inlet part of the water storing container is arranged in the communicating cavity; the diaphragm valve is further provided with a through hole which is communicated with the water inlet part and the water outlet part; and the water inlet and the water outlet of the water storing container are formed integrally. In the three-port leakage-proof device, the diaphragm valve is arranged in the communicating cavity, and the communication between a water source and the water storing container is cut off under the condition that a detection system and an external power supply are not arranged, so that the problem of continuous water leakage caused by corrosion and perforation of the water storing container is solved.
Description
Technical field
The present invention relates to a kind of antiseep device, relate in particular to a kind of three port antiseep device and water heaters that are used for the water heater tank.
Background technology
At present, water heater generally directly is communicated with the water source when installing, and the tank of water heater is because oxygen and evolving hydrogen reaction are analysed in galvanic cell effect meeting, cause corrosion failure easily and finally cause the tank seepage, and seepage takes place and will be communicated with the water source and seepage is continued because of existing tank, cause large tracts of land immersion accident to take place, cause heavy losses.
In order to address this problem, application number is that 200820006351.3 Chinese utility model discloses the electric heater that a kind of leakage alarm is cut off the water supply, wherein the ponding pallet is equipped with in the electric heater bottom, be equipped with a pair of or a pair of in the ponding pallet with top electrode, a water inlet controller is equipped with at the water inlet pipe place, be connected by signal control line between electrode or water inlet controller and the signal processor, the seepage signal of signal processor collecting electrode, send sound or light and report to the police, and send the signal cut of cutting off the water supply to the water inlet controller and supply water.
In addition, application number is that 200910033981.9 Chinese invention patent discloses a kind of water heater, comprise water storage liner, be communicated with water inlet pipe and the outlet pipe that flows into inner bag and flow out the water of inner bag to transmit with inner bag, be used to heat the thermal source of the water in the inner bag, and the audio detection device that is used to detect the audio frequency variation that causes owing to the inner bag seepage, in case inner bag seepage, just can change, thereby take appropriate measures to reduce because seepage and the influence that causes to surrounding environment by detecting corresponding audio frequency.
As seen, above-mentioned prior art all need could realize cutting off water inlet after the seepage by detecting induction system, signal processing system and the three part actings in conjunction of water inlet controller, not only have relatively high expectations to detecting induction system, if the reaction insensitive then can report to the police and cut off control untimely, if reacted sensitive, then occur wrong report and misoperation easily, and power supply need additionally be provided, complex structure also brings and need prevent electric shock, trouble such as excessive takes up room.
Summary of the invention
Problem at the prior art existence, the purpose of this invention is to provide a kind of three port antiseep device and water heaters that are used for the water heater tank, described three port antiseep devices can be cut off the water supply and being communicated with of tank, and avoid adopting detection system and additional power source.
Technical purpose of the present invention is achieved through the following technical solutions:
A kind of three port antiseep devices that are used for the water heater tank, described device comprise as the water entering section of the water inlet water channel of described tank, the outlet part that is communicated with the delivery port of described tank.Be provided with connected chamber between described water entering section and the outlet part, be provided with in the described connected chamber and be used to make the water inlet of described tank and the barrier film valve that described water entering section is communicated with or turn-offs, also be provided with the through hole that is communicated with described water entering section and outlet part on the described barrier film valve, described water entering section comprise be used to be communicated with supply water end first water inlet end, be used to be communicated with second water inlet end of the water inlet of tank; Described outlet part comprises first water side that is used for being communicated with the delivery port of described tank, be used for second water side that is communicated with water end (W.E.) with the user, first water side is communicated with second water side, one end of connected chamber is communicated with second water inlet end, the other end is communicated with second water side, the connected chamber middle part is provided with the barrier film valve, and the water inlet and the delivery port of described tank are integrally formed.
Preferably, the water inlet and the delivery port of described tank are integrally formed as bimetallic tube, and described water inlet is one a inlet in the interior pipe, outer tube of bimetallic tube; Described delivery port is another outlet in interior pipe, the outer tube.The water inlet of described tank and delivery port can also be formed by two chambers that are separated in the same body.
Preferably, be provided with the valve driving part that drives described barrier film valve shutoff water inlet and described water entering section in the described connected chamber.
Preferably, described valve driving part is a resiliency supported portion, an end and the described barrier film valve butt of described resiliency supported portion, the chamber wall butt of the other end and connected chamber.
Preferably, described valve driving part can also be magnetic drive portion, and described magnetic drive portion comprises first magnetic part and second magnetic part that polarity is identical, and wherein first magnetic part is installed on the barrier film valve, and second magnetic part is installed on the chamber wall of connected chamber.
Preferably, described resiliency supported portion is a spring.
Preferably, in described outlet part, be provided with and make current flow out the check valve that direction flows from delivery port.
Preferably, in the described water entering section filter screen is installed.
Preferably, described barrier film valve is made by flexible membrane.More preferably, described barrier film valve is made by rubber membrane.
Correspondingly, the present invention also provides a kind of water heater with three port antiseep devices, described water heater comprises tank and three port antiseep devices, and described three port antiseep devices comprise: as the water entering section of the water inlet water channel of described tank, the outlet part that is communicated with the delivery port of described tank.Be provided with connected chamber between described water entering section and the outlet part, be provided with in the described connected chamber and be used to make the water inlet of described tank and the barrier film valve that described water entering section is communicated with or turn-offs, also be provided with the through hole that is communicated with described water entering section and outlet part on the described barrier film valve, described water entering section comprise be used to be communicated with supply water end first water inlet end, be used to be communicated with second water inlet end of the water inlet of tank; Described outlet part comprises first water side that is used for being communicated with the delivery port of described tank, be used for second water side that is communicated with water end (W.E.) with the user, first water side is communicated with second water side, one end of connected chamber is communicated with second water inlet end, the other end is communicated with second water side, the connected chamber middle part is provided with the barrier film valve, and the water inlet and the delivery port of described tank are integrally formed.
The present invention is by being provided with the barrier film valve in the connected chamber of three port antiseep devices, under the situation that does not install detection system and additional power source additional, in time and effectively cut off the water supply and being communicated with of tank, thereby continual problem of leaking has guaranteed the safe in utilization of water heater when having avoided tank corrosion failure to occur.
Description of drawings
Fig. 1 a is three port antiseep devices of a kind of nonelastic support component of the present invention structural representations under the state of cutting off the water supply when being used for the water heater tank;
Fig. 1 b is three port antiseep devices of a kind of flexible support component of the present invention structural representations under the state of cutting off the water supply when being used for the water heater tank;
Fig. 2 a is the structural representation of three port antiseep devices under the water flowing state of the water heater tank shown in Fig. 1 a;
Fig. 2 b is the structural representation of three port antiseep devices under the water flowing state of the water heater tank shown in Fig. 1 b.
Fig. 3 is the structural scheme of mechanism of the water heater of three port antiseep devices shown in installation diagram 1a of the present invention, the 1b.
The specific embodiment
The invention provides the three port antiseep devices that are used for the water heater tank, described device comprises as the water entering section of the water inlet water channel of described tank, the outlet part that is communicated with the delivery port of described tank.Be provided with connected chamber between described water entering section and the outlet part, be provided with the barrier film valve that the water inlet that is used to make described tank and described water entering section are communicated with or turn-off in the described connected chamber, also be provided with the through hole that is communicated with described water entering section and outlet part on the described barrier film valve.
Also can be provided with in the described connected chamber and drive the valve driving part that described barrier film valve turn-offs water inlet and described water entering section.Wherein, valve driving part can be realized by flexible member, magnetic element or other elements that is fit to.
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are done detailed description:
The invention provides a kind of three port antiseep devices that are used for the water heater tank, described device comprises water entering section 2 that is communicated with the water inlet 1 of described tank and the outlet part 4 that is communicated with the delivery port 3 of described tank, be provided with connected chamber 5 between described water entering section 2 and the described outlet part 4, be provided with in the described connected chamber 5 and be used to control the water inlet 1 of described tank and the barrier film valve 6 that described water entering section 2 is communicated with, described barrier film valve 6 can be separated described water entering section 2 and described outlet part 4 basically, but also be provided with the through hole 7 that is used to be communicated with described water entering section 2 and outlet part 4 on the described barrier film valve 6, the aperture of through hole 7 requires as far as possible little, does not sneak into the cold water that is too much flowed into by water entering section 2 via through holes 7 to guarantee outlet part 4; But for preventing that through hole 7 from stopping up, the aperture of through hole should be greater than the aperture of filter screen 21, so the aperture of through hole 7 optimum is 0.1mm-2mm.
Described barrier film valve 6 is preferably made by flexible film material.Preferably be provided with resiliency supported portion 8 in the described connected chamber, an end and described barrier film valve 6 butts of described resiliency supported portion 8, the chamber wall butt of the other end and connected chamber.Certainly, those skilled in the art also are appreciated that when in the connected chamber resiliency supported portion not being set, and barrier film valve 6 still can rely on self shape and be supported on cooperating of chamber wall in the cavity and can move between the operating position.
Particularly, water inlet 1 can be communicated with tap water supply pipeline or other supply channel, and water entering section 2 is communicated with the tank (being inner bag) of electric heater.Outlet part 4 is communicated with the tank delivery port, and delivery port 3 can be communicated with the water switching device of tap or other user side.
Especially, in this preferred embodiment, water inlet 1 and delivery port 3 sockets design.Shown in Fig. 1 a, 1b, 2a, 2b, described water inlet 1 has first tubular part 11, and described delivery port 3 has second tubular part 31, and described second tubular part is set in the outside of first tubular part.And barrier film valve 6 is arranged in the connected chamber 5 between water entering section and the outlet part.Described second tubular part is set in the outside of first tubular part, and described first tubular part and second tubular part will be intake and be gone out water separation.Preferably, in described outlet part 4, be provided with and be used to make current from the check valve 9 of outlet part to the delivery port one-way flow.The sidewall of outlet part 4 is provided with end cap 41, check valve 9 adopts the spring cone valve, and an end of spring is connected on the described end cap, other end contact taper valve body, described taper valve body relies on the effect shutoff of spring on delivery port 3, makes current to flow along flowing out direction from delivery port.
Preferably, in the described water entering section 2 filter screen 21 is installed also.The sidewall of water entering section 2 is provided with set bolt 22, by described set bolt, described filter screen is fixed in the water entering section 2.Filter screen can adopt various suitable filter screens, and for example textile fabric filter screen and five metals filter screen etc. carry out filtration, purification by described filter screen to water inlet.
In the preferred embodiment, described water entering section 2 comprise be used to be communicated with supply water end first water inlet end 201, be used to be communicated with second water inlet end 202 of the water inlet of tank.Described outlet part 4 comprises first water side 401 that is used for being communicated with the delivery port 3 of described tank, be used for second water side 402 that is communicated with water end (W.E.) with the user, first water side 401 is communicated with second water side 402, one end of connected chamber 5 is communicated with second water inlet end 202, the other end is communicated with second water side 401, and the middle part of connected chamber 5 is provided with barrier film valve 6.
In the present embodiment, the water inlet 1 and the delivery port 3 of described tank are integrally formed as bimetallic tube, and described water inlet 1 is the inlet of the interior pipe of bimetallic tube, and described delivery port 3 is the outlet of the outer tube of bimetallic tube, and described interior pipe can be provided with one heart with outer tube; In addition, the water inlet of described tank and delivery port also can be separated two chambers for the demarcation strip that is provided with in the same body.
Specific implementation process of the present invention is, as shown in Figure 1a, when the user will close with water end (W.E.), utilize the connection effect of the through hole 7 on the barrier film valve 6, make the hydraulic pressure of delivery port 3 equal the hydraulic pressure of water inlet 1 rapidly, therefore, even without elastic support member, barrier film valve 6 under the effect that its pressure at both sides difference changes to water inlet 1 near and contact.At this moment, if seepage appears in inner bag, because of the hydraulic pressure of water inlet 1 reduces to cause barrier film valve 6 pressure at both sides differences to increase gradually and makes barrier film valve 6 block water inlet 1 closely, so the water storage in the inner bag can not replenished yet, at the most the water in the inner bag has all been leaked, thereby avoided lasting seepage automatically.And shown in Fig. 2 a, when the user will open with water end (W.E.), current flow to user side from delivery port 3, therefore the hydraulic pressure after delivery port 3 pressure releases will be less than the water feeding pressure of water inlet 1, barrier film valve 6 makes barrier film valve 6 become one side projection, the corresponding recessed shape of another side under the effect that the both sides differential water pressures changes once more, thereby make barrier film valve 6 open water inlet 1, current flow into inner bag through water inlet 1, thereby the water that guarantees electric heater is replenished all the time.
It should be appreciated by those skilled in the art that in preferred technical scheme, adopt spring or magnetic part that the barrier film valve is supported, can guarantee that the seal when the barrier film valve is blocked first water stream channel is better.
As more excellent embodiment, in order to make more precision maneuver of barrier film valve 6, to guarantee when seepage takes place, barrier film valve 6 can be blocked current completely and enter tank, be provided with resiliency supported portion 8 in the connected chamber 5 of present embodiment, one end and described barrier film valve 6 butts of described resiliency supported portion 8, described resiliency supported portion 8 is preferably spring.Shown in Fig. 1 b, when the user will close with water end (W.E.), utilize the connection effect of the through hole 7 on the barrier film valve 6, make the hydraulic pressure of delivery port 3 equal the hydraulic pressure of water inlet 1 rapidly, therefore the pressure at both sides difference of barrier film valve 6 changes, and at the 8(of resiliency supported portion spring) booster action to water inlet 1 near and contact.At this moment, if seepage appears in inner bag, because of the hydraulic pressure of water inlet 1 reduces to cause barrier film valve 6 pressure at both sides differences to increase gradually and makes barrier film valve 6 block water inlet 1 closely, so the water storage in the inner bag can not replenished yet, at the most the water in the inner bag has all been leaked, thereby avoided lasting seepage automatically.And shown in Fig. 2 b, when the user will open with water end (W.E.), current flow to user side from delivery port 3, therefore the hydraulic pressure after delivery port 3 pressure releases will be less than the water feeding pressure of water inlet 1, barrier film valve 6 makes barrier film valve 6 become one side projection, the corresponding recessed shape of another side under the effect that the both sides differential water pressures changes once more, thereby make barrier film valve 6 open water inlet 1, current flow into inner bag through water inlet 1, thereby the water that guarantees electric heater is replenished all the time.
Certainly, spring is a kind of preferred version of present embodiment, other material and the elastic supporting member for supporting optical member of structure, for example elastic support member of rubber mass that the present invention can also adopt those skilled in the art to understand.
In the above-described embodiment, valve driving part is realized by resiliency supported portion.In other embodiments, valve driving part can also be realized by magnetic drive portion.Described magnetic drive portion can comprise first magnetic part and second magnetic part that polarity is identical, and wherein first magnetic part is installed on the barrier film valve, and second magnetic part is installed on the chamber wall of connected chamber.Preferably, the line of the first magnetic part geometric center and the second magnetic part geometric center is perpendicular to the port plane of water inlet, so that the barrier film valve can form end face seal when contacting with the water inlet port, thereby avoids leaking.Because the principle that like pole repels each other produces repulsive force between first magnetic pole and second magnetic pole, thereby make the barrier film valve that first magnetic part is installed be subjected to the support force of spring-like elastic force.Thus, magnetic drive portion can play with elastic support member and similarly act on.
Correspondingly, the present invention also provides a kind of water heater, and described water heater has three above-mentioned port antiseep devices, makes water heater have this kind antiseep function.
A kind of preferred implementation of water heater provided by the invention as shown in Figure 3, the profile of three port antiseep devices is rendered as three end structures, an end of water entering section 2 is communicated with running water or other waterings; One end of outlet part 4 is communicated with water end (W.E.) with the user.Because the water inlet 1 and the delivery port 3 of tank 100 are integrally formed bimetallic tube designs, therefore, the other end of water entering section 2 and outlet part 4 then correspondingly docks with delivery port 3 with water inlet 1.The structure and the operation principle of this three ports antiseep device also repeat no more at this.
The foregoing description is only for the usefulness that the present invention is described; and be not to be limitation of the present invention; the those of ordinary skill in relevant technologies field; under the situation that does not break away from the spirit and scope of the present invention; can also make various variations and modification; therefore all technical schemes that are equal to also should belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.
Claims (12)
1. three port antiseep devices that are used for the water heater tank is characterized in that, described device comprises as the water entering section of the water inlet water channel of described tank, the outlet part that is communicated with the delivery port of described tank;
Be provided with connected chamber between described water entering section and the outlet part, be provided with in the described connected chamber and be used to make the water inlet of described tank and the barrier film valve that described water entering section is communicated with or turn-offs, also be provided with the through hole that is communicated with described water entering section and outlet part on the described barrier film valve, described water entering section comprise be used to be communicated with supply water end first water inlet end, be used to be communicated with second water inlet end of the water inlet of tank;
Described outlet part comprises first water side that is used for being communicated with the delivery port of described tank, be used for second water side that is communicated with water end (W.E.) with the user, first water side is communicated with second water side, one end of connected chamber is communicated with second water inlet end, the other end is communicated with second water side, and the water inlet and the delivery port of described tank are integrally formed.
2. the three port antiseep devices that are used for the water heater tank according to claim 1, it is characterized in that, the water inlet and the delivery port of described tank are integrally formed as bimetallic tube, described water inlet is one a inlet in the interior pipe, outer tube of bimetallic tube, and described delivery port is another outlet in interior pipe, the outer tube.
3. the three port antiseep devices that are used for the water heater tank according to claim 1 is characterized in that the water inlet of described tank and delivery port are formed by two chambers that are separated in the same body.
4. the three port antiseep devices that are used for the water heater tank according to claim 1 is characterized in that, are provided with in the described connected chamber to drive the valve driving part that described barrier film valve turn-offs water inlet and described water entering section.
5. the three port antiseep devices that are used for the water heater tank according to claim 4, it is characterized in that, described valve driving part is a resiliency supported portion, an end and the described barrier film valve butt of described resiliency supported portion, the chamber wall butt of the other end and connected chamber.
6. the three port antiseep devices that are used for the water heater tank according to claim 4, it is characterized in that, described valve driving part is a magnetic drive portion, described magnetic drive portion comprises first magnetic part and second magnetic part that polarity is identical, wherein first magnetic part is installed on the barrier film valve, and second magnetic part is installed on the chamber wall of connected chamber.
7. the three port antiseep devices that are used for the water heater tank according to claim 5 is characterized in that, described resiliency supported portion is a spring.
8. the three port antiseep devices that are used for the water heater tank according to claim 1 is characterized in that, in described outlet part, are provided with and make current flow out the check valve that direction flows from delivery port.
9. the three port antiseep devices that are used for the water heater tank according to claim 1 is characterized in that, in the described water entering section filter screen are installed.
10. the three port antiseep devices that are used for the water heater tank according to claim 1 is characterized in that described barrier film valve is made by flexible membrane.
11. the three port antiseep devices that are used for the water heater tank according to claim 1 is characterized in that described barrier film valve is made by rubber membrane.
12. water heater with three port antiseep devices, it is characterized in that, described water heater comprises tank and three port antiseep devices, described three port antiseep devices comprise: as the water entering section of the water inlet water channel of described tank, the outlet part that is communicated with the delivery port of described tank
Be provided with connected chamber between described water entering section and the outlet part, be provided with the barrier film valve that the water inlet that is used to make described tank and described water entering section are communicated with or turn-off in the described connected chamber, also be provided with the through hole that is communicated with described water entering section and outlet part on the described barrier film valve;
Described water entering section comprise be used to be communicated with supply water end first water inlet end, be used to be communicated with second water inlet end of the water inlet of tank;
Described outlet part comprises first water side that is used for being communicated with the delivery port of described tank, be used for second water side that is communicated with water end (W.E.) with the user, first water side is communicated with second water side, one end of connected chamber is communicated with second water inlet end, the other end is communicated with second water side, the connected chamber middle part is provided with the barrier film valve, and the water inlet and the delivery port of described tank are integrally formed.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100896683A CN103216939A (en) | 2012-10-15 | 2013-03-20 | Three-port leakage-proof device for water storing container of water heater and water heater |
| PCT/CN2013/084991 WO2014059894A1 (en) | 2012-10-15 | 2013-10-10 | Leakage-proof device for water storing container and water heater |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210390600.4 | 2012-10-15 | ||
| CN2012103906004A CN102878686A (en) | 2012-10-15 | 2012-10-15 | Leakproof device for water storing container |
| CN2013100896683A CN103216939A (en) | 2012-10-15 | 2013-03-20 | Three-port leakage-proof device for water storing container of water heater and water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103216939A true CN103216939A (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103906004A Pending CN102878686A (en) | 2012-10-15 | 2012-10-15 | Leakproof device for water storing container |
| CN2013100896683A Pending CN103216939A (en) | 2012-10-15 | 2013-03-20 | Three-port leakage-proof device for water storing container of water heater and water heater |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103906004A Pending CN102878686A (en) | 2012-10-15 | 2012-10-15 | Leakproof device for water storing container |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN102878686A (en) |
| WO (1) | WO2014059894A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727810A (en) * | 2019-02-19 | 2019-05-07 | 珠海格力电器股份有限公司 | Water flow switch |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878686A (en) * | 2012-10-15 | 2013-01-16 | 艾欧史密斯(中国)热水器有限公司 | Leakproof device for water storing container |
| CN106016763A (en) * | 2016-07-13 | 2016-10-12 | 王鲁秀 | Leakproof waterproof wall |
| CN113865098A (en) * | 2020-06-30 | 2021-12-31 | 芜湖美的厨卫电器制造有限公司 | Water inlet and outlet device and water heater |
| CN114877528B (en) * | 2022-03-07 | 2023-10-03 | 江苏诺温特热能设备有限公司 | Electric water heater capable of automatically detecting leak of tightness |
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- 2013-10-10 WO PCT/CN2013/084991 patent/WO2014059894A1/en active Application Filing
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| CN102537477A (en) * | 2010-12-28 | 2012-07-04 | 高砂电气(苏州)有限公司 | Two-way electromagnetic vale with diaphragm structure |
| CN202349283U (en) * | 2011-12-14 | 2012-07-25 | 袁振华 | Frost cracking prevention automatic protection valve for inner pipeline of water heater |
| CN102679561A (en) * | 2012-04-28 | 2012-09-19 | 艾欧史密斯(中国)热水器有限公司 | Seepage preventing device for water storage container |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109727810A (en) * | 2019-02-19 | 2019-05-07 | 珠海格力电器股份有限公司 | Water flow switch |
| CN109727810B (en) * | 2019-02-19 | 2024-10-11 | 珠海格力电器股份有限公司 | Water flow switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102878686A (en) | 2013-01-16 |
| WO2014059894A1 (en) | 2014-04-24 |
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Application publication date: 20130724 |