CN112577194A - Electric heating water boiler system for rail vehicle and rail train - Google Patents
Electric heating water boiler system for rail vehicle and rail train Download PDFInfo
- Publication number
- CN112577194A CN112577194A CN202011439315.8A CN202011439315A CN112577194A CN 112577194 A CN112577194 A CN 112577194A CN 202011439315 A CN202011439315 A CN 202011439315A CN 112577194 A CN112577194 A CN 112577194A
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- water boiler
- outlet pipe
- electric water
- pipe section
- water
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- 238000005485 electric heating Methods 0.000 title abstract description 14
- 239000008236 heating water Substances 0.000 title abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 238000007689 inspection Methods 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D49/00—Other details
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Railway Tracks (AREA)
Abstract
The embodiment of the application provides an electric heating water boiler system for a rail vehicle and a rail train. An electric water boiler system for a rail vehicle, comprising: an electric water boiler; the switching device comprises a switching body, a water outlet pipe and a connecting pipe; the water heater comprises an electric water boiler, a water outlet pipe, a connecting pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the connecting body is fixed on the front side of the electric water boiler; the two partition plates are oppositely fixed on the two sides of the electric water boiler; the inspection door is rotatably connected with one of the partition plates and is provided with an installation opening; the water receiving panel is arranged at the mounting port and is provided with a water receiving port; when the inspection door is closed, the water outlet pipe extends out of the water receiving opening. The rail train comprises the electric heating water boiler system. The technical problems that the traditional electric water boiler is complex in overhauling steps and inconvenient to operate are solved.
Description
Technical Field
The application relates to the technical field of rail trains, in particular to an electric heating water boiler system for a rail vehicle and a rail train.
Background
At present, a water receiving panel of an electric water boiler in part of models of railway passenger cars and motor train units is arranged on an inspection door of the electric water boiler. Regarding the water receiving panel arranged on the inspection door, the inspection door is specially designed into an upper part, a middle part and a lower part in consideration of the subsequent overhaul and maintenance of the electric water boiler, the water receiving panel is arranged on the middle inspection door, and the water receiving panel is connected with the electric water boiler through a connecting hose. When the electric water boiler or the water receiving panel needs to be overhauled, the upper inspection door is opened firstly, the connecting hose is unfastened, and then the middle inspection door is opened. When needs examine and repair the electric heat boiler, because the inspection door is opened the step and is added loaded down with trivial details slightly, so when having certain hidden danger under the condition that maintainer does not know concrete operating procedure: when the maintainer directly opened middle part inspection door hard, probably broken the coupling hose between electric heat boiler and the water receiving panel, not only increased cost of maintenance by the sky like this, more serious is if there is hot water in the coupling hose, probably appears scalding maintainer's occurence of failure. In the actual operation of the train, the electric water boiler is overhauled frequently, so the opening frequency of the check door of the electric water boiler is high, and the prior art also has the defect of inconvenient operation.
Therefore, the traditional electric water boiler has complicated maintenance steps and inconvenient operation, and is a technical problem which needs to be solved urgently by technical personnel in the field.
The above information disclosed in the background section is only for enhancement of understanding of the background of the present application and therefore it may contain information that does not form the prior art that is known to those of ordinary skill in the art.
Disclosure of Invention
The embodiment of the application provides an electric heating water boiler system for a rail vehicle and a rail train, and aims to solve the technical problems that the traditional electric heating water boiler is complex in overhauling steps and inconvenient to operate.
The embodiment of the application provides an electric heat boiler system for rail vehicle, includes:
an electric water boiler;
the switching device comprises a switching body, a water outlet pipe and a connecting pipe; the water heater comprises an electric water boiler, a water outlet pipe, a connecting pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the switching body is fixed on the front surface of the electric water boiler, the water outlet pipe;
the two partition plates are oppositely fixed on two sides of the electric water boiler;
the inspection door is rotatably connected with one of the partition plates and is provided with an installation opening;
the water receiving panel is arranged at the mounting port and is provided with a water receiving port; when the inspection door is closed, the water outlet pipe extends out of the water receiving opening.
The embodiment of the application also provides the following technical scheme:
a rail train comprises the electric heating water boiler system.
Due to the adoption of the technical scheme, the embodiment of the application has the following technical effects:
the electric heating water boiler system for the railway vehicle is characterized in that the inspection door and the water receiving panel are integrated as a whole, the inspection door and the water receiving panel are not directly connected with the switching device, the inspection door can be freely opened, the overhauling steps are simple, the safety is high, the structure is simple, and the electric heating water boiler system is convenient to manufacture and install
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a front view illustrating an installation of an adapter device and an electric water boiler of an electric water boiler system for a railway vehicle according to an embodiment of the present application;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a side view of an electric water boiler system for a rail vehicle;
FIG. 5 is an enlarged view of a portion of FIG. 4;
fig. 6 is a schematic view of the electric water boiler system for a railway vehicle shown in fig. 4 with an open inspection door.
Description of reference numerals:
1 an electric water boiler, which is composed of a water tank,
2 switching device, 21 switching body, 212 connecting pipe mounting hole,
213 fixing flange, 213-1 fixing flange bolt hole
22 outlet pipe, 221 transverse pipe section, 222 vertical pipe section,
23 is connected with a connecting pipe, 23,
3 inspection door, 4 water receiving panel, 41 water receiving mouth.
Detailed Description
In order to make the technical solutions and advantages of the embodiments of the present application more apparent, the following further detailed description of the exemplary embodiments of the present application with reference to the accompanying drawings makes it clear that the described embodiments are only a part of the embodiments of the present application, and are not exhaustive of all embodiments. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Example one
Fig. 1 is a front view illustrating an installation of an adapter device and an electric water boiler of an electric water boiler system for a railway vehicle according to an embodiment of the present application; FIG. 2 is a side view of FIG. 1; FIG. 3 is a top view of FIG. 1; FIG. 4 is a side view of an electric water boiler system for a rail vehicle; FIG. 5 is an enlarged view of a portion of FIG. 4; fig. 6 is a schematic view of the electric water boiler system for a railway vehicle shown in fig. 4 with an open inspection door.
As shown in fig. 1, 2, 3, 4, 5 and 6, an electric water boiler system for a railway vehicle according to an embodiment of the present application includes:
an electric water boiler 1;
the adapter device 2 comprises an adapter body 21, a water outlet pipe 22 and a connecting pipe 23; the adapter body 21 is fixed on the front surface of the electric water boiler 1, the water outlet pipe 22 is convexly arranged on the front surface of the adapter body, one end of the connecting pipe 23 is communicated with the water outlet pipe 22, and the other end of the connecting pipe 23 is communicated with the electric water boiler 1;
the two partition plates are oppositely fixed on two sides of the electric water boiler;
the inspection door 3 is rotatably connected with one of the partition plates, and the inspection door 3 is provided with an installation opening;
the water receiving panel 4 is arranged at the mounting port and is provided with a water receiving port 41; when the inspection door is closed, the water outlet pipe 22 extends out of the water receiving opening 41.
The electric heating water boiler system for the railway vehicle is divided into two parts, wherein the first part comprises the electric heating water boiler, a switching device and two partition plates, and the device of the first part is characterized in that the first part is fixed after being installed; the second part comprises an inspection door and a water receiving panel arranged at the mounting port of the inspection door, and when the inspection door is opened and closed to rotate, the inspection door and the water receiving panel rotate as a whole. When the inspection door is closed, the water outlet pipe of the adapter device extends out of the water receiving port, so that water can be discharged; when needs examine and repair the electric heat boiler, only need when opening the inspection door, only need open the inspection door can, at this in-process, inspection door and water receiving panel rotate together, switching device itself is motionless, can be convenient examine and repair the electric heat boiler that lies in behind the inspection door. The electric heating water boiler system for the railway vehicle is characterized in that the inspection door and the water receiving panel are integrated as a whole, the inspection door and the water receiving panel are not directly connected with the switching device, the inspection door can be freely opened, the overhauling steps are simple, the safety is high, and meanwhile, the electric heating water boiler system is simple in structure and convenient to manufacture and install.
Specifically, the bottom of the electric water boiler is used for being fixed on an inner bottom of a railway vehicle body, and the back of the electric water boiler is used for being fixed on the surface of the inner wall of the railway vehicle body.
Specifically, two relatively fixed baffles, the inner wall of inspection door and rail vehicle's automobile body form a space that can seal, and the electric heat boiler is fixed in this confined space, can prevent that the passenger from scalding, also can play the guard action to the electric heat boiler.
In practice, the outlet pipe is a rigid outlet pipe.
The hard water outlet pipe cannot deform, and the water outlet position is relatively fixed, so that passengers can receive water conveniently.
In implementation, as shown in fig. 2, the water outlet pipe includes a horizontal pipe section 221 and a vertical pipe section 222, the vertical pipe section 222 is fixed at one end of the horizontal pipe section 221, and the horizontal pipe section 221 is communicated with the vertical pipe section 222;
the transverse pipe section 221 and the adapter body 21 are fixed and protrude out of the front surface of the adapter body, and one end, far away from the vertical pipe section, of the transverse pipe section 221 is communicated with the connecting pipe 23;
the vertical pipe section and a part of the horizontal pipe section extend out from the water receiving opening 41, and the opening of the vertical pipe section 222 faces downwards.
Thus, the shape of the water outlet pipe is simple. The length of the horizontal pipe section of the water outlet pipe depends on the distance between the electric water boiler and the water receiving panel. The length of the part of the transverse pipe section extending out of the water receiving opening is convenient for passengers to receive water.
In an implementation, the connecting pipe is a soft connecting pipe. One end of the connecting pipe is communicated with the transverse pipe section of the water outlet pipe, and the other end of the connecting pipe is communicated with the electric water boiler. Hot water in the electric water boiler enters a water receiving container of a passenger through a connecting hose and a water outlet pipe.
The connecting pipe is used for connecting the electric water boiler and the transverse pipe section of the water outlet pipe, and the electric water boiler and the transverse pipe section of the water outlet pipe are both made of hard materials, so that the soft connecting pipe can be conveniently connected.
In implementation, the adapter body is a box-shaped adapter body, and a back panel of the adapter body is fixed on the front side of the electric water boiler;
the front panel of the adapter body is provided with a water outlet pipe mounting hole, one end of the transverse pipe section, which is far away from the vertical pipe section, penetrates through the water outlet pipe mounting hole and enters the adapter body, the transverse pipe section is fixed with the adapter body, and part of the transverse pipe section protrudes out of the front panel of the adapter body;
as shown in fig. 2 and 5, one of the side panels of the adapter body has a connection pipe mounting hole 212, and the connection pipe 23 passes through the connection pipe mounting hole 212.
The switching body adopts regular shape, is convenient for processing and installation.
In an implementation, the connecting pipe mounting hole is an oblong hole.
The connecting pipe mounting hole of the oblong hole facilitates the adjustment of the hose.
In implementation, as shown in fig. 1, the back panel of the adaptor body protrudes from the front panel of the adaptor body from both sides to form a fixing flange 213;
the fixing flange is provided with a fixing flange bolt hole 213-1, and the shell of the electric water boiler is provided with a shell bolt hole; the switching body and the shell of the electric water boiler are fixed through bolts and nuts, and the fixed flanging bolt holes and the shell bolt holes.
In implementation, as shown in fig. 1, the fixing flange bolt holes 213-3 are long round holes, the number of the fixing flange bolt holes is four, and the fixing flange bolt holes are arranged on two sides of the transverse pipe section in pairs;
the shell bolt hole is a long round hole, and the length directions of the shell bolt hole and the fixed flanging bolt hole are perpendicular to each other.
The fixed flanging bolt hole is a long round hole, so that the adjustment of installation errors can be realized, and the requirement on the machining precision of the switching body is lowered.
In the description of the present application and the embodiments thereof, it is to be understood that the terms "top", "bottom", "height", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In this application and its embodiments, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application and its embodiments, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. An electric water boiler system for a rail vehicle, comprising:
an electric water boiler;
the switching device comprises a switching body, a water outlet pipe and a connecting pipe; the water heater comprises an electric water boiler, a water outlet pipe, a connecting pipe, a water outlet pipe, a water inlet pipe, a water outlet pipe and a water outlet pipe, wherein the switching body is fixed on the front surface of the electric water boiler, the water outlet pipe;
the two partition plates are oppositely fixed on two sides of the electric water boiler;
the inspection door is rotatably connected with one of the partition plates and is provided with an installation opening;
the water receiving panel is arranged at the mounting port and is provided with a water receiving port; when the inspection door is closed, the water outlet pipe extends out of the water receiving opening.
2. An electrically heated water boiler system according to claim 1, wherein the outlet pipe is a rigid outlet pipe.
3. An electric water boiler system according to claim 2, wherein the water outlet pipe comprises a transverse pipe section and a vertical pipe section, the vertical pipe section is fixed at one end of the transverse pipe section, and the transverse pipe section is communicated with the vertical pipe section;
the transverse pipe section is fixed with the adapter body and protrudes out of the front surface of the adapter body, and one end, far away from the vertical pipe section, of the transverse pipe section is communicated with the connecting pipe;
the vertical pipe section and part of the horizontal pipe section extend out of the water receiving opening, and a pipe orifice of the vertical pipe section faces downwards.
4. An electric water boiler system according to claim 3, wherein the connection tube is a soft connection tube.
5. The electric water boiler system according to claim 4, wherein the side of the connecting pipe connected with the electric water boiler is located on the side surface or the bottom surface of the adapter body.
6. An electric water boiler system according to claim 5, wherein the adapter body is a box-shaped adapter body, and a back panel of the adapter body is fixed on the front surface of the electric water boiler;
the front panel of the adapter body is provided with a water outlet pipe mounting hole, one end of the transverse pipe section, which is far away from the vertical pipe section, penetrates through the water outlet pipe mounting hole and enters the adapter body, the transverse pipe section is fixed with the adapter body, and part of the transverse pipe section protrudes out of the front panel of the adapter body;
one side panel of the adapter body is provided with a connecting pipe mounting hole, and the connecting pipe penetrates through the connecting pipe mounting hole.
7. An electric water boiler system according to claim 6, wherein the connection tube mounting hole is a slotted hole.
8. An electric water boiler system according to claim 6, wherein the back panel of the adapter body protrudes from the front panel of the adapter body from both sides to form a fixed flange;
the fixing flange is provided with a fixing flange bolt hole, and the shell of the electric water boiler is provided with a shell bolt hole; the switching body and the shell of the electric water boiler are fixed through bolts and nuts, and the fixed flanging bolt holes and the shell bolt holes.
9. An electric water boiler system according to claim 8, characterized in that the fixing turnup bolt holes are oblong holes, the number of fixing turnup bolt holes is four, and the fixing turnup bolt holes are arranged on both sides of the transverse pipe section in pairs.
10. A rail train comprising an electric water boiler system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011439315.8A CN112577194B (en) | 2020-12-11 | 2020-12-11 | Electric heating water boiler system for rail vehicle and rail train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011439315.8A CN112577194B (en) | 2020-12-11 | 2020-12-11 | Electric heating water boiler system for rail vehicle and rail train |
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| Publication Number | Publication Date |
|---|---|
| CN112577194A true CN112577194A (en) | 2021-03-30 |
| CN112577194B CN112577194B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011439315.8A Active CN112577194B (en) | 2020-12-11 | 2020-12-11 | Electric heating water boiler system for rail vehicle and rail train |
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| Country | Link |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2109719A1 (en) * | 1991-06-29 | 1993-01-07 | Jin Min Choi | Hot Water Boiler System |
| CN2536159Y (en) * | 2001-11-21 | 2003-02-19 | 卓健雄 | Panel inlaid style electric water boiling device |
| CN201141683Y (en) * | 2007-10-25 | 2008-10-29 | 余伯坚 | Panel-detachable electric boiler |
| AU2012101259A4 (en) * | 2012-08-20 | 2012-09-13 | Dux Manufacturing Limited | A water heater |
| CN105135666A (en) * | 2015-10-18 | 2015-12-09 | 安庆三维电器有限公司 | Electrothermal water boiler with lunch box thermal-insulation function |
| CN110260523A (en) * | 2019-05-29 | 2019-09-20 | 张勤洪 | A kind of hot temp-controlled water heater of Intelligent magnetic |
| CN210663329U (en) * | 2019-07-04 | 2020-06-02 | 内蒙古康健水处理设备有限责任公司 | Energy-saving water boiler |
| CN111536692A (en) * | 2020-04-28 | 2020-08-14 | 滁州市永通交通设备有限公司 | Hot water receiving and taking device with purification structure for train carriage |
-
2020
- 2020-12-11 CN CN202011439315.8A patent/CN112577194B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2109719A1 (en) * | 1991-06-29 | 1993-01-07 | Jin Min Choi | Hot Water Boiler System |
| CN2536159Y (en) * | 2001-11-21 | 2003-02-19 | 卓健雄 | Panel inlaid style electric water boiling device |
| CN201141683Y (en) * | 2007-10-25 | 2008-10-29 | 余伯坚 | Panel-detachable electric boiler |
| AU2012101259A4 (en) * | 2012-08-20 | 2012-09-13 | Dux Manufacturing Limited | A water heater |
| CN105135666A (en) * | 2015-10-18 | 2015-12-09 | 安庆三维电器有限公司 | Electrothermal water boiler with lunch box thermal-insulation function |
| CN110260523A (en) * | 2019-05-29 | 2019-09-20 | 张勤洪 | A kind of hot temp-controlled water heater of Intelligent magnetic |
| CN210663329U (en) * | 2019-07-04 | 2020-06-02 | 内蒙古康健水处理设备有限责任公司 | Energy-saving water boiler |
| CN111536692A (en) * | 2020-04-28 | 2020-08-14 | 滁州市永通交通设备有限公司 | Hot water receiving and taking device with purification structure for train carriage |
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| Publication number | Publication date |
|---|---|
| CN112577194B (en) | 2022-06-17 |
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