CN214581831U - Leakage protector for water heater - Google Patents
Leakage protector for water heater Download PDFInfo
- Publication number
- CN214581831U CN214581831U CN202120305260.5U CN202120305260U CN214581831U CN 214581831 U CN214581831 U CN 214581831U CN 202120305260 U CN202120305260 U CN 202120305260U CN 214581831 U CN214581831 U CN 214581831U
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- Prior art keywords
- water
- hot
- controller
- valve
- tube
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 182
- 230000001012 protector Effects 0.000 title description 3
- 230000005669 field effect Effects 0.000 claims abstract description 29
- 239000002184 metal Substances 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The utility model discloses a water heater earth leakage protection device, including hot-water cylinder, water intaking valve, base, sealed lid, sealed shell, outlet pipe, inlet tube, the outlet pipe with the inlet tube all is located the hot-water cylinder downside, the outlet pipe is located inlet tube one side, the water intaking valve is located the inlet tube downside, the base is located the hot-water cylinder rear side, sealed shell is located the hot-water cylinder top, sealed lid is located sealed shell top still includes outlet valve, detection tube, metal mesh, controller and field effect transistor. The utility model discloses whether there is the electric leakage phenomenon in utilizing field effect transistor and metal mesh to detect the hot-water cylinder to open and turn-off through controller control outlet valve and water intaking valve prevents that electrified water from flowing out, thereby prevents to take place the electric leakage danger.
Description
Technical Field
The utility model relates to an electric water heater field especially relates to a water heater earth leakage protection device.
Background
The electric water heater is one of water heaters, and is a water heater which heats by using electric energy as energy; the electric heater directly heats water in water, in order to prevent the electric heater from electric leakage in water, most of the existing electric water heaters adopt an electricity-proof wall technology to perform electric leakage protection, the electricity-proof wall is passive electric leakage protection which reduces the current leaked into the water body by using the ohm law between water body resistance and water body voltage, the electric leakage phenomenon still exists in the actual process, the leakage current still flows through a water outlet, and great potential safety hazards exist, so that the electric water heater is very dangerous.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a water heater earth leakage protection device for solving above-mentioned problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a water heater earth leakage protection device, includes hot-water cylinder, water intaking valve, base, sealed lid, sealed shell, outlet pipe, inlet tube, the outlet pipe with the inlet tube all is located the hot-water cylinder downside, the outlet pipe is located inlet tube one side, the water intaking valve is located the inlet tube downside, the base is located the hot-water cylinder rear side, sealed shell is located the hot-water cylinder top, sealed lid is located sealed shell top still includes outlet valve, detecting tube, metal mesh, controller and field effect transistor, the outlet valve is installed the outlet pipe downside, the detecting tube is installed the outlet valve downside, the metal mesh sets up the detecting tube is inboard, the controller is installed sealed shell inboard is just located controller the place ahead is installed to the field effect transistor.
Preferably: the water outlet pipe is connected with the hot water tank in a welded mode, the water inlet pipe is connected with the hot water tank in a welded mode, the water outlet valve is connected with the water outlet pipe in a threaded mode, the water inlet pipe is connected with the water inlet valve in a threaded mode, and the water outlet valve and the water inlet valve are both made of insulating PVC materials.
According to the arrangement, the water inlet valve is used for controlling the water in the hot water tank and the water in the water inlet pipe, and the water quantity and the water flow direction in the hot water tank are controlled by opening and closing the water inlet valve.
Preferably: the base is connected with the hot water tank through bolts, and the sealing shell is connected with the base through bolts.
So set up, utilize the base is right hot-water cylinder with sealed shell is fixed, sealed shell with sealed lid forms the water proof area.
Preferably: the detection tube is connected with the water outlet valve through threads, the controller is connected with the sealing shell through screws, and the field effect tube is connected with the sealing shell through screws.
According to the arrangement, the detection tube is fixed by the water outlet valve, and the controller and the field effect tube are fixed by the sealing shell.
Preferably: the controller is connected with the field effect tube through an electric wire, the water outlet valve is connected with the controller through an electric wire, and the water inlet valve is connected with the controller through an electric wire.
According to the arrangement, the controller is used for collecting the electric signals of the field effect tube, so that the opening and closing control of the water inlet valve and the water outlet valve is realized, and further whether water flows out or not is controlled.
Preferably: the field effect tube is connected with the metal net through an electric wire, and the whole detection tube is made of an insulated PVC material.
According to the arrangement, whether the water is electrified or not is fed back to the field effect tube by utilizing the phenomenon that the water potential of the metal net is equal to that of the water in the water.
Preferably: the sealing cover and the sealing shell are provided with a rubber sealing ring, and the sealing shell and the sealing cover are made of insulating PVC materials.
According to the arrangement, the controller and the field effect tube are prevented from being damaged by water by the aid of the rubber sealing ring between the sealing cover and the sealing shell.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. by utilizing the equipotential phenomenon of the metal net and the water in the hot water tank, the controller can measure whether the electric leakage phenomenon occurs in the water body of the hot water tank or not through the field effect tube in real time, so as to carry out the next step of control;
2. the controller is used for controlling the opening and closing of the water inlet valve and the water outlet valve, so that the water body which has leaked in the hot water tank is prevented from flowing out of the tank to cause danger, and active earth leakage protection is performed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an electric leakage protection device for a water heater according to the present invention;
fig. 2 is a front view of an earth leakage protection device for a water heater according to the present invention;
fig. 3 is a partial part view of the leakage protection device for a water heater according to the present invention;
fig. 4 is a partial part view of the leakage protector for water heater according to the present invention;
fig. 5 is a circuit flow diagram of the leakage protection device for a water heater of the present invention.
The reference numerals are explained below:
1. a hot water tank; 2. a water outlet valve; 3. a water inlet valve; 4. a base; 5. a sealing cover; 6. sealing the shell; 7. a detection tube; 8. a metal mesh; 9. a controller; 10. a field effect transistor; 11. a water outlet pipe; 12. and (4) a water inlet pipe.
Detailed Description
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be further explained with reference to the accompanying drawings:
example 1
As shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, an electric leakage protection device for a water heater comprises a hot water tank 1, a water inlet valve 3 and a base 4, the water heater comprises a sealing cover 5, a sealing shell 6, a water outlet pipe 11 and a water inlet pipe 12, wherein the water outlet pipe 11 and the water inlet pipe 12 are both positioned on the lower side of a hot water tank 1, the water outlet pipe 11 is positioned on one side of the water inlet pipe 12, a water inlet valve 3 is positioned on the lower side of the water inlet pipe 12, a base 4 is positioned on the rear side of the hot water tank 1, the sealing shell 6 is positioned above the hot water tank 1, the sealing cover 5 is positioned at the top of the sealing shell 6, the water heater further comprises a water outlet valve 2, a detection pipe 7, a metal mesh 8, a controller 9 and a field effect tube 10, the water outlet valve 2 is installed on the lower side of the water outlet pipe 11, the detection pipe 7 is installed on the lower side of the water outlet valve 2, the metal mesh 8 is arranged on the inner side of the detection pipe 7, the controller 9 is installed on the inner side of the sealing shell 6, and the field effect tube 10 is installed on the inner side of the sealing shell 6 and positioned in front of the controller 9; the base 4 is connected with the hot water tank 1 through bolts, the sealing shell 6 is connected with the base 4 through bolts, the hot water tank 1 and the sealing shell 6 are fixed through the base 4, and the sealing shell 6 and the sealing cover 5 form a water-resisting area; the detection tube 7 is connected with the water outlet valve 2 through threads, the controller 9 is connected with the sealing shell 6 through screws, the field effect tube 10 is connected with the sealing shell 6 through screws, the detection tube 7 is fixed by the water outlet valve 2, and the controller 9 and the field effect tube 10 are fixed by the sealing shell 6; the controller 9 is connected with the field effect tube 10 through an electric wire, the water outlet valve 2 is connected with the controller 9 through an electric wire, the water inlet valve 3 is connected with the controller 9 through an electric wire, the controller 9 is used for collecting electric signals of the field effect tube 10 to realize the opening and closing control of the water inlet valve 3 and the water outlet valve 2, and further control whether water flows out or not; the field effect tube 10 is connected with the metal net 8 through a wire, the whole detecting tube 7 is made of an insulated PVC material, and whether the water is electrified or not is fed back to the field effect tube 10 by utilizing the phenomenon that the potential of the metal net 8 in the water is equal to that of the water; a rubber sealing ring is arranged between the sealing cover 5 and the sealing shell 6, the sealing shell 6 and the sealing cover 5 are made of insulating PVC materials, and the controller 9 and the field effect tube 10 are sealed in a water-proof mode by the rubber sealing ring between the sealing cover 5 and the sealing shell 6.
The working principle is as follows: when the device works, the controller 9 controls the water inlet valve 3 and the water outlet valve 2 to be opened, water flow can enter the hot water tank 1 from the water inlet pipe 12, water in the hot water tank 1 can flow out from the water outlet pipe 11, the controller 9 detects whether water flowing out of the hot water tank 1 is electrified or not through the field effect tube 10 and the metal net 8, and if the water is not electrified, the controller 9 keeps the water inlet valve 3 and the water outlet valve 2 in an opened state; if the controller 9 detects that the water body is electrified through the field effect tube 10 and the metal net 8, the controller 9 controls the water inlet valve 3 and the water outlet valve 2 to be switched off, electrified water flow is cut off, danger caused by outflow of the electrified water flow is prevented, and therefore active protection is conducted.
Example 2
The difference between the embodiment 2 and the embodiment 1 is that the water outlet pipe 11 is connected with the hot water tank 1 by welding, the water inlet pipe 12 is connected with the hot water tank 1 by welding, the water outlet valve 2 is connected with the water outlet pipe 11 by screw threads, the water inlet pipe 12 is connected with the water inlet valve 3 by screw threads, the water outlet valve 2 and the water inlet valve 3 are both made of insulating PVC material, the water in the hot water tank 1 and the water in the water inlet pipe 12 are controlled by the water inlet valve 3, and the water quantity and the water flow direction in the hot water tank 1 are controlled by opening and closing the water inlet valve 3.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (7)
1. The utility model provides a water heater earth leakage protection device, includes hot-water cylinder, water intaking valve, base, sealed lid, sealed shell, outlet pipe, inlet tube, the outlet pipe with the inlet tube all is located the hot-water cylinder downside, the outlet pipe is located inlet tube one side, the water intaking valve is located the inlet tube downside, the base is located the hot-water cylinder rear side, sealed shell is located the hot-water cylinder top, sealed lid is located sealed shell top, its characterized in that: still include outlet valve, detection tube, metal mesh, controller and field effect transistor, the outlet valve is installed the outlet pipe downside, the detection tube is installed the outlet valve downside, the metal mesh sets up the detection tube is inboard, the controller is installed sealed shell is inboard, the field effect transistor is installed sealed shell is inboard and is located controller the place ahead.
2. A water heater leakage protection device according to claim 1, wherein: the water outlet pipe is connected with the hot water tank in a welded mode, the water inlet pipe is connected with the hot water tank in a welded mode, the water outlet valve is connected with the water outlet pipe in a threaded mode, the water inlet pipe is connected with the water inlet valve in a threaded mode, and the water outlet valve and the water inlet valve are both made of insulating PVC materials.
3. A water heater leakage protection device according to claim 1, wherein: the base is connected with the hot water tank through bolts, and the sealing shell is connected with the base through bolts.
4. A water heater leakage protection device according to claim 1, wherein: the detection tube is connected with the water outlet valve through threads, the controller is connected with the sealing shell through screws, and the field effect tube is connected with the sealing shell through screws.
5. A water heater leakage protection device according to claim 1, wherein: the controller is connected with the field effect tube through an electric wire, the water outlet valve is connected with the controller through an electric wire, and the water inlet valve is connected with the controller through an electric wire.
6. A water heater leakage protection device according to claim 1, wherein: the field effect tube is connected with the metal net through an electric wire, and the whole detection tube is made of an insulated PVC material.
7. A water heater leakage protection device according to claim 1, wherein: the sealing cover and the sealing shell are provided with a rubber sealing ring, and the sealing shell and the sealing cover are made of insulating PVC materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120305260.5U CN214581831U (en) | 2021-02-03 | 2021-02-03 | Leakage protector for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120305260.5U CN214581831U (en) | 2021-02-03 | 2021-02-03 | Leakage protector for water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214581831U true CN214581831U (en) | 2021-11-02 |
Family
ID=78349433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120305260.5U Expired - Fee Related CN214581831U (en) | 2021-02-03 | 2021-02-03 | Leakage protector for water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214581831U (en) |
-
2021
- 2021-02-03 CN CN202120305260.5U patent/CN214581831U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |