CN110848989A - Water leakage detection device and electric water heater - Google Patents
Water leakage detection device and electric water heater Download PDFInfo
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- CN110848989A CN110848989A CN201911102044.4A CN201911102044A CN110848989A CN 110848989 A CN110848989 A CN 110848989A CN 201911102044 A CN201911102044 A CN 201911102044A CN 110848989 A CN110848989 A CN 110848989A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 153
- 238000001514 detection method Methods 0.000 title claims abstract description 45
- 238000003466 welding Methods 0.000 claims description 22
- 238000009434 installation Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 description 8
- 239000000523 sample Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- 210000003298 dental enamel Anatomy 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
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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
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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)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a water leakage detection device and an electric water heater, wherein the water leakage detection device is applied to an inner container and used for detecting whether the inner container leaks water or not, and comprises a flow guide component, a water collecting tray, a detection component and a controller, wherein the flow guide component is arranged on the outer wall of the inner container, the water collecting tray is arranged on the bottom wall of the inner container, the flow guide component guides water leaked on the outer wall of the inner container to the water collecting tray, the detection component is arranged in the water collecting tray, and the detection component is electrically connected with the controller. The water leakage detection device is simple in structure, and can effectively detect whether the water leakage problem occurs in the inner container or not in time.
Description
Technical Field
The invention relates to the technical field of water leakage detection, in particular to a water leakage detection device and an electric water heater.
Background
With the continuous improvement in the aspects of safety, intellectualization and the like, the water leakage detection device is more and more widely applied to the electric water heater. The inner container of the electric water heater is formed by welding, generally, straight seams and circular seams are welded, the problems cannot be completely guaranteed due to the materials used by the electric water heater, the processing and welding process and the like, particularly, the corrosion of the inner container in areas with relatively complex water quality is obvious, if a sacrificial anode protection device is adopted, the corrosion cannot be found in time, and in addition, the water leakage problem of the inner container still occurs after the electric water heater is used for a long time. Since the water leakage of the inner container is not easy to be perceived, the water soaking of a house can be caused, and even the electrical safety problem is caused, the water leakage detection becomes a technical problem to be solved urgently in the existing electric water heater.
Disclosure of Invention
The invention aims to solve at least one of the problems in the prior related art to a certain extent, and provides a water leakage detection device which is simple in structure and can effectively detect whether the inner container leaks water or not in time.
In addition, the invention also provides the electric water heater which is reasonable in design and can further improve the safety of the electric water heater and the use experience of a user.
The first object is achieved by the following technical scheme:
the utility model provides a detection device leaks, uses on the inner bag in order to be used for detecting whether the inner bag leaks, includes guiding component, water catch bowl, determine module and controller, wherein be provided with on the outer wall of inner bag guiding component is provided with on the diapire of inner bag the water catch bowl, guiding component will the water conservancy diversion of revealing on the inner bag outer wall extremely the water catch bowl the inside is provided with determine module, determine module with controller electric connection.
In some embodiments, the flow guide assembly includes a first flow guide member, a second flow guide member and a third flow guide member, wherein the first flow guide member and the second flow guide member are respectively disposed around the outer walls at the two ends of the liner, the third flow guide member is disposed in the transverse direction of the liner, and the two ends of the third flow guide member are respectively connected to the first flow guide member and the second flow guide member.
In some embodiments, a first connecting portion and a second connecting portion are respectively disposed at two ends of the third flow guide member, a first mounting portion is disposed on the first flow guide member and is connected to the first connecting portion in a matching manner, and a second mounting portion is disposed on the second flow guide member and is connected to the second connecting portion in a matching manner.
In some embodiments, a third connecting portion and a fourth connecting portion are respectively disposed at two ends of the water collecting tray, a third installation portion is disposed on the first flow guide member and is connected to the third connecting portion in a matching manner, and a fourth installation portion is disposed on the second flow guide member and is matched to the fourth connecting portion.
In some embodiments, the inner container has a middle ring, a left end cover and a right end cover, wherein the middle ring is welded in a transverse direction to form a containing cavity, two ends of the middle ring are respectively welded with the left end cover and the right end cover, the first flow guide piece is arranged at a welding position between the middle ring and the left end cover, the second flow guide piece is arranged at a welding position between the middle ring and the right end cover, and the third flow guide piece is arranged at a welding position on the middle ring.
In some embodiments, the detection component is a humidity sensor or an infrared sensor.
In some embodiments, the inner container is connected with a water inlet pipe, the water inlet pipe is provided with a switch valve, and the switch valve is electrically connected with the controller.
In some embodiments, a boss is provided on the water collecting tray, and the water inlet pipe passes through the boss and then is connected with the outside.
In some embodiments, an alarm is disposed on the inner container, and the alarm is electrically connected to the controller.
The second objective is achieved by the following technical scheme:
an electric water heater is characterized by comprising the water leakage detection device in any one of the above embodiments. Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the water leakage detection device is simple in structure, and can effectively detect whether the inner container leaks water or not in time.
2. Its reasonable in design, the practicality is strong, if detects that the inner bag has taken place the problem of leaking and can in time send out the police dispatch newspaper to further improve user's use and experience.
3. The electric water heater of the invention has reasonable design and can further improve the safety of the electric water heater.
Drawings
FIG. 1 is a schematic structural diagram of an electric water heater according to an embodiment of the present invention;
fig. 2 is an exploded view of the water leakage detection device according to the embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the claims of the present invention.
The first embodiment is as follows:
as shown in fig. 1 and 2, the embodiment provides a water leakage detection device, which is applied to an inner container 1 to detect whether the inner container 1 leaks water or not, and comprises a diversion component 2, a water collection tray 3, a detection component and a controller, wherein the diversion component 2 is arranged on the outer wall of the inner container 1, the water collection tray 3 is arranged on the bottom wall of the inner container 1, the diversion component 2 guides the leaked water on the outer wall of the inner container 1 to the water collection tray 3, the detection component is arranged in the water collection tray 3, and the detection component is electrically connected with the controller.
In this embodiment, the inner bag 1 can take place the phenomenon of leaking after long-time use, consequently all leak weak places or leak sensitive position on inner bag 1 and all be provided with water conservancy diversion subassembly 2, it is provided with water-collecting tray 3 to laminate on the surface at inner bag 1 diapire, when the water of inner bag 1 the inside takes place to leak, collect the water that leaks in water-collecting tray 3 the inside of inner bag 1 below through water conservancy diversion subassembly 2 in unison, the detection subassembly of water-collecting tray 3 the inside detects and feeds back the testing result to the controller so, the controller judges whether the inner bag 1 leaks according to the result of feeding back, thereby can in time effectually detect whether the inner bag 1 takes place the problem of leaking, so further improve the security and the reliability of inner bag 1 use.
Further, the diversion assembly 2 comprises a first diversion piece 4, a second diversion piece 5 and a third diversion piece 6, wherein the outer walls of the two ends of the inner container 1 are respectively provided with the first diversion piece 4 and the second diversion piece 5 in a surrounding manner, the transverse direction of the inner container 1 is provided with the third diversion piece 6, and the two ends of the third diversion piece 6 are respectively connected with the first diversion piece 4 and the second diversion piece 5.
Preferably, the two ends of the third diversion part 6 are respectively provided with a first connecting part 61 and a second connecting part 62, the first diversion part 4 is provided with a first mounting part 41 which is connected with the first connecting part 61 in a matching way, the second diversion part 5 is provided with a second mounting part 51 which is connected with the second connecting part 62 in a matching way, the design is reasonable, the assembly and disassembly are convenient, and the stability of the installation between the diversion assemblies 2 can be effectively improved.
In this embodiment, the cross section of the liner 1 is cylindrical, rectangular or square, and of course, the cross section of the liner 1 with a suitable shape can be rotated according to actual needs, the cross section of the liner 1 in this embodiment is described by way of example as being cylindrical, and liners 1 with other shapes are not described again. When the cross section of the inner container 1 is cylindrical, the first flow guiding part 4 and the second flow guiding part 5 at two ends of the inner container 1 are both annular, the first flow guiding part 4 and the second flow guiding part 5 are respectively detachably sleeved at two ends of the inner container 1, connectors are arranged at two ends of the third flow guiding part 6 to form a first connecting part 61 and a second connecting part 62, buckling parts matched with the connectors are correspondingly arranged on the first flow guiding part 4 to form a first mounting part 41, buckling parts matched with the connectors are correspondingly arranged on the second flow guiding part 5 to form a second mounting part 51, so that two ends of the third flow guiding part 6 are respectively buckled with the first flow guiding part 4 and the second flow guiding part 5, water grooves convenient for water flow to pass through are respectively arranged on the first flow guiding part 4, the second flow guiding part 5 and the third flow guiding part 6, and two ends of the third flow guiding part 6 are respectively buckled with the first flow guiding part 4, the second flow guiding part 5, and the second flow guiding part 6, The second diversion member 5 is communicated so that water on the third diversion member 6 flows to the first diversion member 4 or the second diversion member 5.
Specifically, be provided with third connecting portion 31 and fourth connecting portion 32 respectively at the both ends of water-collecting tray 3, be provided with the third installation department 42 of being connected with the cooperation of third connecting portion 31 on first water conservancy diversion spare 4, be provided with on second water conservancy diversion spare 5 with fourth connecting portion 32 complex fourth installation department 52, its reasonable in design, easy dismounting can effectively improve the stability of installing between water conservancy diversion subassembly 2 and the water-collecting tray 3.
In this embodiment, when the cross section of the inner container 1 is cylindrical, the cross section of the water collecting tray 3 is inverted U-shaped to tightly fit the outer surface of the inner container 1, so as to ensure that the water leaked from the inner container 1 always collects in the water collecting tray 3, two ends of the water collecting tray 3 are provided with connectors to form a third connecting portion and a fourth connecting portion 32, the first flow guiding member 4 is correspondingly provided with a latching portion cooperating with the connectors to form a third mounting portion 42, the second flow guiding member 5 is correspondingly provided with a latching portion cooperating with the connectors to form a fourth mounting portion 52, so as to respectively latch two ends of the water collecting tray 3 with the third flow guiding member 6 and the fourth flow guiding member, two ends of the water collecting tray 3 are respectively communicated with the first flow guiding member 4 and the second flow guiding member 5, so that the water on the first flow guiding member 4 and the second flow guiding member 5 flows into the water collecting tray 3, thereby ensuring that the water leaked by the inner container 1 is always collected in the water collecting tray 3.
Further, the inner container 1 has a middle ring 11, a left end cover 12 and a right end cover 13, wherein the middle ring 11 is welded to form a containing cavity in the transverse direction, two ends of the middle ring 11 are respectively welded to the left end cover 12 and the right end cover 13, the first guide piece 4 is arranged at a welding position between the middle ring 11 and the left end cover 12, the second guide piece 5 is arranged at a welding position between the middle ring 11 and the right end cover 13, and the third guide piece 6 is arranged at a welding position on the middle ring 11.
In this embodiment, there are two main types of weak points where the liner 1 leaks water, where the first type is a weld joint, and the welds include: the straight welding seam of inner bag body, the annular welding seam of ladle body and both ends butt joint, business turn over water pipe and magnesium stick installation position and inner bag 1's welding seam, when the inner bag is at the heating during operation, internal pressure increase, welding seam department receives certain tensile stress. If the enamel layer is too thin or the enamel quality is not good, the enamel layer can be broken, so that the iron of the liner 1 is exposed to cause corrosion, and if the parts are positioned at welding seams and the welding seams have the problem of poor welding, the water leakage problem can be caused after long-time use. The second type is that the electric heating tube is provided with a flange for fastening at the sealing position of the liner opening of the liner 1 and is fixed by the flange on the liner 1 and a sealing rubber gasket, and the sealing rubber gasket can age after being used for a long time and has the risk of water leakage. The two types of weak parts which are possibly leaked are respectively positioned at different positions on the inner container 1, the water leaked from the weak parts is collected, and then the collected leaked water is detected through the detection assembly to judge whether the inner container 1 leaks water or not. The well circle 11 of inner bag 1 holds the chamber in order to form through the welding in the transverse direction in this embodiment, the both ends of well circle 11 respectively with left end lid 12, right-hand member lid 13 welded connection, be the weak position of inner bag 1 in the welding position department promptly, all be equipped with water conservancy diversion subassembly 2 in the aforesaid welding position department in order to carry out the drainage to the water-collecting tray 3 to the water that inner bag 1 revealed. In addition, the periphery of the mounting flange at the liner opening sealing position is also provided with an annular flow guide groove, the bottom of the annular flow guide groove is communicated with the water collecting tray 3 below the liner 1 through a pipeline, so that all water leaked from the water leakage sensitive parts of the liner 1 can be uniformly concentrated in the water collecting tray 3, and the liner opening sealing position of the liner 1 is preferably arranged on the left end cover 12 or the right end cover 13 in the embodiment.
Furthermore, the detection assembly is a humidity sensor or an infrared sensor, the design is reasonable, and the reliability of detection of the water leakage detection device can be effectively improved.
In this embodiment, the detecting component is a humidity sensor or an infrared sensor, but other more suitable detecting devices may be selected according to actual needs.
When the determine module in this embodiment is humidity transducer, be provided with a plurality of humidity-sensitive resistance respectively in 3 bottoms of water-collecting tray, upper portion and middle part, each humidity-sensitive resistance inserts humidity detection circuit, if the phenomenon of leaking takes place for inner bag 1, must can ponding in the water-collecting tray 3, the humidity of water-collecting tray 3 bottommost can be greater than the humidity of water-collecting tray 3 top far away, the concrete size of controller control humidity transducer does not detect humidity, and detect the impedance of humidity-sensitive resistance in different positions. If the inner container 1 has no water leakage, the temperature and the humidity at different positions in the same water collecting tray 3 are similar, the impedance of the detected humidity sensitive resistor is also similar, and the inner container 1 can be judged to have no water leakage. If the inner container 1 leaks water, the temperature of different positions in the same water collecting tray 3 is close, the humidity of the water leaking position is very high, the impedance of the detected humidity-sensitive resistor at the position is far smaller than that of the humidity-sensitive resistors at other positions, errors caused by temperature can be eliminated due to close temperature, and the impedance change of the humidity-sensitive resistor is completely determined by the humidity change, so that the water leaking problem of the inner container 1 can be judged.
When the detection assembly in the implementation is an infrared sensor, an infrared emission probe and a receiving probe are arranged in the water collecting tray 3, the infrared emission probe and the receiving probe respectively form included angles with a horizontal line, and the infrared emission probe and the horizontal direction form a certain included angle, so that the incident angle formed by infrared rays emitted by the infrared emission probe and a liquid level is larger than the total reflection angle corresponding to the infrared rays, and the infrared rays are guaranteed to be totally reflected at the interface between air and water when water leakage occurs. If the inner container 1 leaks water, the infrared rays emitted by the emission probe are totally reflected through the liquid level, and when the liquid level reaches a preset height, the totally reflected infrared rays are emitted to the receiving probe, so that the controller receives a water leakage signal to judge that the inner container 1 leaks water.
Furthermore, the inner container 1 is connected with a water inlet pipe 7, the switch valve 8 is arranged on the water inlet pipe 7, the switch valve 8 is electrically connected with the controller, the structure is simple, the closing of the water inlet pipe 7 can be controlled in time after the water leakage of the inner container 1 is detected, and the water is continuously supplied into the inner container 1 after the water leakage problem of the outer water supply in the inner container 1 is effectively prevented.
Particularly, the water collecting tray 3 is provided with the boss 33, and the water inlet pipe 7 penetrates through the boss 33 and then is connected with the outside, so that the design is reasonable, and the use is convenient.
Particularly, be provided with the alarm on inner bag 1, alarm and controller electric connection, its simple structure, reasonable in design, ingenious can in time send out the police dispatch newspaper through the alarm immediately after detecting that inner bag 1 takes place to leak, avoid causing economic loss and incident, the security performance is high to further improve user's use and experience.
In this embodiment, be connected with inlet tube 7 in the bottom position department of inner bag 1, outlet pipe and blow off pipe, be provided with respectively on water-collecting tray 3 with inlet tube 7, outlet pipe and blow off pipe complex boss 33, the through-hole has been seted up in water-collecting tray 3's bottom position department promptly, circumference direction at the through-hole is protruding upwards in order to form boss 33, inlet tube 7, outlet pipe and blow off pipe wear to locate respectively in boss 33, thereby reach the purpose of the dismouting of being convenient for, can also make water-collecting tray 3 collect the water that inner bag 1 revealed simultaneously. In this embodiment, when the detection component detects that the inner container 1 has leaked, the detection component feeds back the detected result to the controller, and the controller firstly closes the switch valve 8 on the water inlet pipe 7 to prevent the inner container 1 from continuously entering water, so as to prevent further water leakage or long-time water leakage.
Example two:
as shown in fig. 1 and 2, the present embodiment provides an electric water heater including the water leakage detection device according to the first embodiment.
In this embodiment, the electric water heater has an inner container 1, and the water leakage detection device as described in the first embodiment is installed on the inner container 1, so as to solve the water leakage problem of the inner container, by improving the welding quality and improving the material of the sealing rubber pad, the enamel processing technology can be improved for the enamel liner, the water leakage phenomenon of the liner 1 can be effectively reduced by measures of regularly replacing the magnesium rod to reduce the corrosion of the liner 1 and the like, however, the inner container 1 still can leak water after long-time use, the water leakage detection device applied to the electric water heater in the embodiment mainly adopts a series of measures such as water collection, detection, water cut-off, alarm and the like, so that whether the inner container leaks water can be detected in time, the user can be reminded in time, the water can be blocked automatically to stop supplying water into the inner container 1, thereby avoiding property loss or safety problem caused by water leakage and further effectively improving the safety performance of the electric water heater.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a detection device leaks, uses on inner bag (1) in order to be used for detecting whether inner bag (1) leaks, a serial communication port, including water conservancy diversion subassembly (2), water-collecting tray (3), determine module and controller, wherein be provided with on the outer wall of inner bag (1) water conservancy diversion subassembly (2) be provided with on the diapire of inner bag (1) water-collecting tray (3), water conservancy diversion subassembly (2) will the water conservancy diversion of revealing on inner bag (1) outer wall extremely water-collecting tray (3) the inside is provided with determine module, determine module with controller electric connection.
2. The water leakage detection device according to claim 1, wherein the flow guide assembly (2) comprises a first flow guide member (4), a second flow guide member (5) and a third flow guide member (6), wherein the first flow guide member (4) and the second flow guide member (5) are respectively arranged on the outer walls of the two ends of the inner container (1) in a surrounding manner, the third flow guide member (6) is arranged in the transverse direction of the inner container (1), and the two ends of the third flow guide member (6) are respectively connected with the first flow guide member (4) and the second flow guide member (5).
3. The water leakage detection device according to claim 2, wherein a first connection portion (61) and a second connection portion (62) are respectively disposed at two ends of the third diversion member (6), a first installation portion (41) is disposed on the first diversion member (4) and is in fit connection with the first connection portion (61), and a second installation portion (51) is disposed on the second diversion member (5) and is in fit connection with the second connection portion (62).
4. A water leakage detecting device according to claim 2, wherein a third connecting portion (31) and a fourth connecting portion (32) are respectively disposed at two ends of the water collecting tray (3), a third mounting portion (42) engaged with the third connecting portion (31) is disposed on the first guiding member (4), and a fourth mounting portion (52) engaged with the fourth connecting portion (32) is disposed on the second guiding member (5).
5. The water leakage detection device according to claim 2, wherein the inner container (1) has a middle ring (11), a left end cover (12) and a right end cover (13), wherein the middle ring (11) is welded in a transverse direction to form a containing cavity, two ends of the middle ring (11) are respectively welded with the left end cover (12) and the right end cover (13), the first flow guiding member (4) is disposed at a welding position between the middle ring (11) and the left end cover (12), the second flow guiding member (5) is disposed at a welding position between the middle ring (11) and the right end cover (13), and the third flow guiding member (6) is disposed at a welding position on the middle ring (11).
6. The water leak detection device according to claim 1, wherein the detection component is a humidity sensor or an infrared sensor.
7. The water leakage detection device according to any one of claims 1 to 6, wherein the inner container (1) is connected with a water inlet pipe (7), the water inlet pipe (7) is provided with a switch valve (8), and the switch valve (8) is electrically connected with the controller.
8. A water leakage detection device according to claim 7, wherein a boss (33) is provided on said water collection tray (3), and said water inlet pipe (7) is connected to the outside after passing through said boss (33).
9. The water leakage detection device according to any one of claims 1 to 6, wherein an alarm is arranged on the inner container (1), and the alarm is electrically connected with the controller.
10. An electric water heater comprising a water leak detection device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102044.4A CN110848989A (en) | 2019-11-12 | 2019-11-12 | Water leakage detection device and electric water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911102044.4A CN110848989A (en) | 2019-11-12 | 2019-11-12 | Water leakage detection device and electric water heater |
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| CN110848989A true CN110848989A (en) | 2020-02-28 |
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| CN201911102044.4A Pending CN110848989A (en) | 2019-11-12 | 2019-11-12 | Water leakage detection device and electric water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111678251A (en) * | 2020-06-29 | 2020-09-18 | 河北中燃宝电气有限公司 | Wall-mounted furnace with humidity sensing and anti-soaking functions and anti-soaking method thereof |
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| CN211575558U (en) * | 2019-11-12 | 2020-09-25 | 华帝股份有限公司 | Water leakage detection device and electric water heater |
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| CN111678251A (en) * | 2020-06-29 | 2020-09-18 | 河北中燃宝电气有限公司 | Wall-mounted furnace with humidity sensing and anti-soaking functions and anti-soaking method thereof |
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