CN111397218A - External automatic power-off equipment of water heater - Google Patents
External automatic power-off equipment of water heater Download PDFInfo
- Publication number
- CN111397218A CN111397218A CN202010295812.9A CN202010295812A CN111397218A CN 111397218 A CN111397218 A CN 111397218A CN 202010295812 A CN202010295812 A CN 202010295812A CN 111397218 A CN111397218 A CN 111397218A
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- cavity
- water heater
- bevel gear
- sliding
- working
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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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- 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)
- Transmission Devices (AREA)
Abstract
The invention discloses an external automatic power-off device of a water heater, which comprises a mounting plate and mounting holes which are positioned in the mounting plate and run through from left to right, wherein the mounting holes are symmetrically arranged up and down, a first round hole running through from left to right is arranged in the mounting plate, a working box is fixedly arranged on the left end surface of the mounting plate, a rectangular cavity running through from top to bottom is arranged in the working box, a working cavity which is positioned on the lower side of the rectangular cavity and is communicated with the rectangular cavity is arranged in the working box, a plug clamped by a clamping device can be pulled out from a socket by a power-off, and the alarm device of the invention can send out alarm prompt sound, if the user is just using the water heater, the grounding abnormity of the water heater can be known at the first time and the water heater can be stopped to be used at once, the personal safety of a user is guaranteed to the greatest extent, if no person uses the water heater, people nearby can know the grounding abnormity of the water heater at the first time, and the water heater is maintained to prevent the water heater from being damaged.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to external automatic power-off equipment of a water heater.
Background
The water heater is a device which can increase the temperature of cold water into hot water within a certain time through various physical principles, and can be divided into an electric water heater, a gas water heater, a solar water heater, a magnetic water heater, an air energy water heater, a heating water heater and the like according to different principles.
Disclosure of Invention
The invention aims to provide external automatic power-off equipment for a water heater, and solves the problems.
The invention is realized by the following technical scheme.
An external automatic power-off device of a water heater comprises a mounting plate and mounting holes which are positioned in the mounting plate and run through from left to right, the mounting holes are symmetrically arranged from top to bottom, a first circular hole which runs through from left to right is arranged in the mounting plate, a working box is fixedly arranged on the left end face of the mounting plate, a rectangular cavity which runs through from top to bottom is arranged in the working box, a working cavity which is positioned on the lower side of the rectangular cavity and is communicated with the rectangular cavity is arranged in the working box, a second circular hole is arranged on the right end wall of the working box in a running through manner from left to right, the second circular hole is communicated with the first circular hole, a sealing plate is hinged to the lower cavity wall of the rectangular cavity, a first rectangular hole which runs through from top to bottom is arranged in the sealing plate, a support plate is fixedly arranged on the left cavity wall of the working cavity, a second rectangular hole which runs through from top, a clamping cavity which is positioned at the lower side of the third rectangular hole and is communicated with the third rectangular hole is arranged in the clamping box, threaded holes which are positioned at the front side and the rear side of the clamping cavity and are communicated with each other are arranged in the clamping box, clamping devices are arranged in the threaded holes, the third rectangular hole and the clamping cavity, a power-off device is arranged in the working cavity, the power-off device comprises a rack which is slidably connected with the upper end surface of the supporting plate, the right end surface of the rack is fixedly connected with the left end surface of the clamping box, the left end surface of the rack is connected with the left cavity wall of the working cavity through a compression spring, a sliding cavity which is positioned at the lower side of the working cavity and is communicated with the working cavity is arranged in the working box, an alarm device is arranged in the sliding cavity and the working cavity, the alarm device comprises a fixed rod, the lower end face of the fixed rod is hinged with a bell.
Furthermore, the clamping device comprises a clamping plate which is connected with the upper cavity wall and the lower cavity wall of the clamping cavity in a sliding mode, the clamping plate is symmetrically arranged in the front and back direction, a threaded rod which penetrates through the threaded hole backwards and extends to the rear side of the clamping box is arranged on the rear end face of the clamping plate in a rotating mode, the threaded rod is in threaded connection with the threaded hole, and a rotary disc is fixedly arranged on the rear end face of the threaded rod.
Furthermore, the power-off device further comprises a motor fixedly connected to the lower end face of the sealing plate, a motor shaft is arranged on the lower end face of the motor in a rotating mode, a driving bevel gear is fixedly arranged at the tail end of the bottom of the motor shaft, a power rotating shaft located on the lower side of the driving bevel gear is arranged on the front cavity wall and the rear cavity wall of the working cavity in a rotating mode, a driven bevel gear meshed with the driving bevel gear is fixedly arranged on the power rotating shaft, a driving rotating shaft located on the upper side of the rack is arranged on the front cavity wall and the rear cavity wall of the working cavity in a rotating mode, the driving rotating shaft is in transmission connection with the power rotating shaft through a driving belt pulley, and a.
Furthermore, the alarm device further comprises a sliding block connected in the sliding cavity in a sliding mode, the right end face of the sliding block is connected with the right cavity wall of the sliding cavity through an extension spring, the upper end face of the sliding block is rotatably provided with a sliding rotating shaft located in the working cavity, an extension spring located on the right side of the bell is fixedly arranged on the sliding rotating shaft, the extension spring is arranged in a bilateral symmetry mode, the other end of the extension spring is fixedly provided with a knocking block, the top end of the top of the sliding rotating shaft is fixedly provided with a sliding bevel gear, a T-shaped cavity with an upward opening is arranged in the sliding rotating shaft, a T-shaped rod is arranged in the T-shaped cavity in a rotating mode, and the T-shaped rod extends upwards and.
Further, be equipped with in the work box and be located the left slave chamber of work chamber, slave chamber left side chamber wall rotates and is equipped with and extends to right the driven spindle of work intracavity, driven spindle is located the drive bevel gear downside, set firmly in the driven spindle with the meshing of drive bevel gear's rotation bevel gear, be equipped with in the work box and be located the transmission chamber of slave chamber downside, transmission chamber left side chamber wall rotates and is equipped with and extends to right the transmission pivot of work intracavity, the transmission pivot with driven spindle passes through the drive pulley transmission and connects, the transmission pivot is located slip bevel gear left side downside, set firmly in the transmission pivot and be located the transmission bevel gear of work intracavity.
The invention has the beneficial effects that: the invention relates to an external automatic power-off device for a water heater power supply, which can pull a plug clamped by a clamping device out of a socket when an indicator lamp is turned on due to abnormal grounding of a water heater, and enable an alarm device to give an alarm prompt tone.
Drawings
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
FIG. 1 is a schematic view of an external automatic power-off device of a water heater according to the present invention;
FIG. 2 is a schematic view of the structure at A-A in FIG. 1;
FIG. 3 is a schematic view of the structure at B-B in FIG. 1;
fig. 4 is a schematic structural diagram at C in fig. 1.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in fig. 1-4, an external automatic power-off device for a water heater comprises a mounting plate 10 and mounting holes 11 which are arranged in the mounting plate 10 and run through from left to right, the mounting holes 11 are symmetrically arranged from top to bottom, first circular holes 15 which run through from left to right are arranged in the mounting plate 10, a work box 12 is fixedly arranged on the left end surface of the mounting plate 10, rectangular cavities 31 which run through from top to bottom are arranged in the work box 12, work cavities 13 which are arranged on the lower sides of the rectangular cavities 31 and are communicated with the rectangular cavities 31 are arranged in the work box 12, second circular holes 17 are formed in the right end wall of the work box 12 and run through from left to right, the second circular holes 17 are communicated with the first circular holes 15, a sealing plate 30 is hinged to the lower cavity wall of the rectangular cavities 31, first rectangular holes 32 which run through from top to bottom are arranged in the sealing plate 30, a supporting plate 49 is fixedly arranged on the left cavity wall, the upper end face of the supporting plate 49 is provided with a clamping box 14 in a sliding manner, a third rectangular hole 33 which is through up and down is arranged in the clamping box 14, a clamping cavity 16 which is positioned at the lower side of the third rectangular hole 33 and is communicated with the third rectangular hole 33 is arranged in the clamping box 14, threaded holes 54 which are positioned at the front side and the rear side of the clamping cavity 16 and are through front and rear are arranged in the clamping box 14, the threaded holes 54, the third rectangular hole 33 and the clamping cavity 16 are provided with clamping devices 901, the working cavity 13 is provided with a power-off device 902, the power-off device 902 comprises a rack 35 which is connected with the upper end face of the supporting plate 49 in a sliding manner, the right end face of the rack 35 is fixedly connected with the left end face of the clamping box 14, the left end face of the rack 35 is connected with the left cavity wall of the working cavity 13 through a compression spring 25, and the working cavity 12, an alarm device 903 is arranged in the sliding cavity 20 and the working cavity 13, the alarm device 903 comprises a fixing rod 44 fixedly connected to the lower end face of the supporting plate 49, the fixing rod 44 is symmetrically arranged front and back, and a bell 21 is hinged to the lower end face of the fixing rod 44.
Advantageously, the clamping device 901 comprises a clamping plate 34 slidably connected to the upper and lower chamber walls of the clamping chamber 16, the clamping plate 34 is symmetrically arranged in front and back, a threaded rod 52 is rotatably arranged on the rear end surface of the clamping plate 34 and passes through the threaded hole 54 backwards and extends to the rear side of the clamping chamber 14, the threaded rod 52 is in threaded connection with the threaded hole 54, and a rotary disc 53 is fixedly arranged on the rear end surface of the threaded rod 52.
Advantageously, the power cut-off device 902 further includes a motor 29 fixedly connected to the lower end surface of the closing plate 30, a motor shaft 41 is rotatably disposed on the lower end surface of the motor 29, a driving bevel gear 40 is fixedly disposed at the bottom end of the motor shaft 41, a power rotating shaft 39 disposed on the lower side of the driving bevel gear 40 is rotatably disposed on the front and rear cavity walls of the working cavity 13, a driven bevel gear 42 engaged with the driving bevel gear 40 is fixedly disposed on the power rotating shaft 39, a driving rotating shaft 36 disposed on the upper side of the rack 35 is rotatably disposed on the front and rear cavity walls of the working cavity 13, the driving rotating shaft 36 is in transmission connection with the power rotating shaft 39 through a driving pulley 38, and a driving gear 37 disposed on the front side of the driving pulley 38 and engaged with the upper tooth surface.
Advantageously, the alarm device 903 further comprises a sliding block 19 slidably connected in the sliding cavity 20, the right end face of the sliding block 19 is connected with the right cavity wall of the sliding cavity 20 through an extension spring 18, the upper end face of the sliding block 19 is rotatably provided with a sliding rotating shaft 48 located in the working cavity 13, an extension spring 47 located on the right side of the bell 21 is fixedly arranged on the sliding rotating shaft 48, the extension spring 47 is arranged in bilateral symmetry, the other end of the extension spring 47 is fixedly provided with a knocking block 46, the top end of the top of the sliding rotating shaft 48 is fixedly provided with a sliding bevel gear 50, an upward-opening T-shaped cavity 55 is arranged in the sliding rotating shaft 48, a T-shaped rod 51 is rotatably arranged in the T-shaped cavity 55, and the T-shaped rod 51 extends upward, passes through the second rectangular hole 45 and is fixedly connected to.
Beneficially, the working chamber 12 is internally provided with a driven cavity 28 located on the left side of the working cavity 13, the left cavity wall of the driven cavity 28 is rotatably provided with a driven rotating shaft 26 extending rightward into the working cavity 13, the driven rotating shaft 26 is located on the lower side of the driving bevel gear 40, the driven rotating shaft 26 is fixedly provided with a rotating bevel gear 43 engaged with the driving bevel gear 40, the working chamber 12 is internally provided with a transmission cavity 24 located on the lower side of the driven cavity 28, the left cavity wall of the transmission cavity 24 is rotatably provided with a transmission rotating shaft 23 extending rightward into the working cavity 13, the transmission rotating shaft 23 is in transmission connection with the driven rotating shaft 26 through a transmission belt pulley 27, the transmission rotating shaft 23 is located on the lower left side of the sliding bevel gear 50, and the transmission rotating shaft 23 is fixedly provided with a transmission bevel gear 22 located in the working cavity 13.
Sequence of mechanical actions of the whole device: the initial state of the invention is as follows: the extension spring 18 is in a relaxed state, the extension spring 47 is in a relaxed state, the transmission bevel gear 22 is not engaged with the sliding bevel gear 50, and the compression spring 25 is in a relaxed state; 1. the mounting plate 10 is fixed on the wall of the water heater socket by penetrating a screw through the mounting hole 11, the closing plate 30 is rotated to open the upper opening of the working cavity 13, a water heater plug passes through the first rectangular hole 32 and extends into the working cavity 13, passes through the third rectangular hole 33 and is placed in the clamping cavity 16, the water heater plug is plugged on the socket to be switched on, the rotating disc 53 is manually rotated, the rotating disc 53 rotates to drive the threaded rod 52 to rotate, the threaded rod 52 rotates to enable the clamping plate 34 to clamp the plug, and the closing plate 30 is rotated to close the upper opening of the working cavity 13; 2. when the sensor detects that the grounding abnormal indicator lamp of the water heater is turned on, the motor 29 is started to drive the motor shaft 41 to rotate, the motor shaft 41 rotates to drive the driving bevel gear 40 to rotate, the driving bevel gear 40 rotates to drive the driven bevel gear 42 to rotate, the driven bevel gear 42 rotates to drive the power rotating shaft 39 to rotate, as the power rotating shaft 39 is in transmission connection with the driving rotating shaft 36 through the driving belt pulley 38, the power rotating shaft 39 rotates to drive the driving rotating shaft 36 to rotate, the driving rotating shaft 36 rotates to drive the driving gear 37 to rotate, the driving gear 37 rotates to drive the rack 35 to slide leftwards, the rack 35 slides leftwards to compress the compression spring 25 and drive the clamping box 14 to slide leftwards, the clamping box 14 slides leftwards to drive the plug clamped by the clamping plate 34 to slide leftwards, the plug is pulled out of the socket, thereby disconnecting the power supply, the T-shaped rod 51 slides leftwards to drive the sliding rotating shaft 48 to slide leftwards, the sliding rotating shaft 48 slides leftwards to drive the sliding block 19 to slide leftwards, the sliding block 19 slides leftwards to stretch the extension spring 18, and when the driving gear 37 rotates to be disengaged from the rack 35, the sliding bevel gear 50 is engaged with the transmission bevel gear 22; 3. the driving bevel gear 40 rotates to drive the rotating bevel gear 43 to rotate, the rotating bevel gear 43 rotates to drive the driven rotating shaft 26 to rotate, the driven rotating shaft 26 is in transmission connection with the transmission rotating shaft 23 through the transmission belt pulley 27, the driven rotating shaft 26 rotates to drive the transmission rotating shaft 23 to rotate, the transmission rotating shaft 23 rotates to drive the transmission bevel gear 22 to rotate, the transmission bevel gear 22 rotates to drive the sliding bevel gear 50 to rotate, the sliding bevel gear 50 rotates to drive the sliding rotating shaft 48 to rotate, the sliding rotating shaft 48 rotates to throw the knocking block 46, the knocking block 46 is thrown to knock the bell 21, and therefore the bell 21 sends out an alarm prompt sound; 4. when the user finishes the maintenance of the water heater with abnormal grounding, the motor 29 stops starting so as to restore the initial position of the invention.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides an external auto-power-off equipment of water heater, includes the mounting panel and is located the mounting hole that link up about and in the mounting panel, the mounting hole longitudinal symmetry sets up, be equipped with about in the mounting panel the first circular port that link up, its characterized in that: the left end face of the installation plate is fixedly provided with a working box, the working box is internally provided with a rectangular cavity which is communicated with the rectangular cavity from top to bottom, the working box is internally provided with a working cavity which is positioned at the lower side of the rectangular cavity and is communicated with the rectangular cavity, the right end wall of the working box is provided with a second circular hole which is communicated with the first circular hole from left to right in a penetrating way, the lower cavity wall of the rectangular cavity is hinged with a sealing plate, the sealing plate is internally provided with a first rectangular hole which is communicated with the rectangular cavity from top to bottom, the left cavity wall of the working cavity is fixedly provided with a supporting plate, the supporting plate is internally provided with a second rectangular hole which is communicated with the rectangular cavity from top to bottom, the upper end face of the supporting plate is slidably provided with a clamping box, the clamping box is internally provided with a third rectangular hole which is communicated with the third rectangular hole from top to bottom, the clamping, the screw hole the third rectangular hole with press from both sides tight intracavity and be equipped with clamping device, be equipped with power-off device in the work chamber, power-off device include sliding connection in the rack of backup pad up end, the rack right-hand member face with press from both sides tight case left end face fixed connection, the rack left end face with work chamber left side chamber wall passes through compression spring and connects, be equipped with in the work chamber and be located the work chamber downside and with the smooth chamber of work chamber intercommunication, smooth chamber with be equipped with alarm device in the work chamber, alarm device include fixed connection in the dead lever of terminal surface under the backup pad, the symmetry sets up around the dead lever, the terminal surface is articulated to be equipped with the bell under the dead lever.
2. The external automatic power-off device for the water heater according to claim 1, wherein: the clamping device comprises a clamping plate which is connected with the upper cavity wall and the lower cavity wall of the clamping cavity in a sliding mode, the clamping plate is symmetrically arranged in the front and back mode, a threaded rod which penetrates through the threaded hole backwards and extends to the rear side of the clamping box is arranged on the rear end face of the clamping plate in a rotating mode, the threaded rod is in threaded connection with the threaded hole, and a rotary disc is fixedly arranged on the rear end face of the threaded rod.
3. The external automatic power-off device for the water heater according to claim 1, wherein: the power-off device further comprises a motor fixedly connected to the lower end face of the sealing plate, a motor shaft is arranged on the lower end face of the motor in a rotating mode, a driving bevel gear is fixedly arranged at the tail end of the bottom of the motor shaft, a power rotating shaft located on the lower side of the driving bevel gear is arranged on the front cavity wall and the rear cavity wall of the working cavity in a rotating mode, a driven bevel gear meshed with the driving bevel gear is fixedly arranged on the power rotating shaft, a driving rotating shaft located on the upper side of the rack is arranged on the front cavity wall and the rear cavity wall of the working cavity in a rotating mode, the driving rotating shaft is in transmission connection with the power rotating shaft through a driving belt pulley.
4. The external automatic power-off device for the water heater according to claim 1, wherein: the alarm device further comprises a sliding block connected in the sliding cavity in a sliding mode, the right end face of the sliding block is connected with the right cavity wall of the sliding cavity through an extension spring, the upper end face of the sliding block is rotatably provided with a sliding rotating shaft located in the working cavity, an extension spring located on the right side of the bell is fixedly arranged on the sliding rotating shaft, the extension spring is arranged in a bilateral symmetry mode, a knocking block is fixedly arranged at the other end of the extension spring, a sliding bevel gear is fixedly arranged at the top end of the top of the sliding rotating shaft, an upward-opening T-shaped cavity is formed in the sliding rotating shaft, a T-shaped rod is rotatably arranged in the T-shaped cavity and extends upwards to penetrate through the second rectangular hole and is.
5. The external automatic power-off device for the water heater according to claim 2, wherein: be equipped with in the work box and be located the left slave chamber of working chamber, slave chamber left side chamber wall rotates and is equipped with and extends to right the driven spindle of working intracavity, driven spindle is located the drive bevel gear downside, set firmly in the driven spindle with the meshing of drive bevel gear's rotation bevel gear, be equipped with in the work box and be located the transmission chamber of slave chamber downside, transmission chamber left side chamber wall rotates and is equipped with and extends to right the transmission pivot of working intracavity, the transmission pivot with driven spindle passes through the drive pulley transmission and connects, the transmission pivot is located slip bevel gear left side downside, set firmly in the transmission pivot and be located the transmission bevel gear of working intracavity.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295812.9A CN111397218A (en) | 2020-04-15 | 2020-04-15 | External automatic power-off equipment of water heater |
| GBGB2011569.7A GB202011569D0 (en) | 2020-04-15 | 2020-07-27 | An external automatic power-off equipment for water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295812.9A CN111397218A (en) | 2020-04-15 | 2020-04-15 | External automatic power-off equipment of water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111397218A true CN111397218A (en) | 2020-07-10 |
Family
ID=71435185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010295812.9A Withdrawn CN111397218A (en) | 2020-04-15 | 2020-04-15 | External automatic power-off equipment of water heater |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111397218A (en) |
| GB (1) | GB202011569D0 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111789484A (en) * | 2020-07-21 | 2020-10-20 | 何国洋 | Water dispenser with circuit protection function |
| CN111952773A (en) * | 2020-08-25 | 2020-11-17 | 宁波变雪电子科技有限公司 | One-key starting and stopping device for triangular jack on wall |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591520Y (en) * | 2002-12-20 | 2003-12-10 | 浙江康泉电器有限公司 | Electric water heater with omnibearing electricity leakage protection function |
| CN2637986Y (en) * | 2003-01-31 | 2004-09-01 | 谭启仁 | Human body safety protection device of electric water heater charged ground lead |
| CN102759198A (en) * | 2012-07-24 | 2012-10-31 | 广东威博电器有限公司 | Electronic anti-electric shock device for electric water heater |
| CN205980355U (en) * | 2016-08-25 | 2017-02-22 | 佛山市中技环保节能设备有限公司 | Automated control system of hot water machine |
| CN206817772U (en) * | 2017-04-11 | 2017-12-29 | 广东万家乐燃气具有限公司 | A kind of electric heater earth leakage protective device |
| CN109654727A (en) * | 2018-12-29 | 2019-04-19 | 广东万家乐燃气具有限公司 | A kind of electric heater and its electrical leakage detecting method with earth leakage detection functions |
-
2020
- 2020-04-15 CN CN202010295812.9A patent/CN111397218A/en not_active Withdrawn
- 2020-07-27 GB GBGB2011569.7A patent/GB202011569D0/en not_active Ceased
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591520Y (en) * | 2002-12-20 | 2003-12-10 | 浙江康泉电器有限公司 | Electric water heater with omnibearing electricity leakage protection function |
| CN2637986Y (en) * | 2003-01-31 | 2004-09-01 | 谭启仁 | Human body safety protection device of electric water heater charged ground lead |
| CN102759198A (en) * | 2012-07-24 | 2012-10-31 | 广东威博电器有限公司 | Electronic anti-electric shock device for electric water heater |
| CN205980355U (en) * | 2016-08-25 | 2017-02-22 | 佛山市中技环保节能设备有限公司 | Automated control system of hot water machine |
| CN206817772U (en) * | 2017-04-11 | 2017-12-29 | 广东万家乐燃气具有限公司 | A kind of electric heater earth leakage protective device |
| CN109654727A (en) * | 2018-12-29 | 2019-04-19 | 广东万家乐燃气具有限公司 | A kind of electric heater and its electrical leakage detecting method with earth leakage detection functions |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111789484A (en) * | 2020-07-21 | 2020-10-20 | 何国洋 | Water dispenser with circuit protection function |
| CN111789484B (en) * | 2020-07-21 | 2022-05-06 | 山东弘毅大数据有限公司 | Water dispenser with circuit protection function |
| CN111952773A (en) * | 2020-08-25 | 2020-11-17 | 宁波变雪电子科技有限公司 | One-key starting and stopping device for triangular jack on wall |
| CN111952773B (en) * | 2020-08-25 | 2021-05-07 | 张亦军 | One-key starting and stopping device for triangular jack on wall |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202011569D0 (en) | 2020-09-09 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200710 |
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| WW01 | Invention patent application withdrawn after publication |