CN112128978A - Electric water heater - Google Patents
Electric water heater Download PDFInfo
- Publication number
- CN112128978A CN112128978A CN201910549919.9A CN201910549919A CN112128978A CN 112128978 A CN112128978 A CN 112128978A CN 201910549919 A CN201910549919 A CN 201910549919A CN 112128978 A CN112128978 A CN 112128978A
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- CN
- China
- Prior art keywords
- water heater
- mounting hole
- temperature measuring
- inner container
- electric water
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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
- F24H9/0005—Details for water heaters
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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
- F24H9/02—Casings; Cover lids; Ornamental panels
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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
Abstract
The invention belongs to the technical field of water heaters, and particularly relates to an electric water heater. The invention aims to solve the technical problem that the quality and the assembly efficiency of the electric water heater are reduced because the foaming material easily enters an electric appliance chamber in the foaming process. The electric water heater comprises an inner container, an electric appliance chamber connected to one side of the inner container and a shell sleeved on the inner container, wherein the side wall of the electric appliance chamber is provided with a mounting hole, an elastic sealing piece is arranged in the mounting hole, and the elastic sealing piece is provided with an insertion hole; the temperature measuring device is characterized in that a heat insulation layer is arranged between the shell and the inner container, a temperature measuring tube is arranged on the outer side wall of the inner container, and one end of the temperature measuring tube penetrates through the jack and extends into the electric appliance chamber. The elastic sealing element is arranged in the mounting hole, so that the temperature measuring tube does not swing in the mounting hole, and the foaming material can be prevented from entering the electric appliance chamber in the foaming process, thereby improving the quality and the assembly efficiency of the electric water heater.
Description
Technical Field
The invention belongs to the technical field of water heaters, and particularly relates to an electric water heater.
Background
The water heater is a device which can raise the temperature of cold water into hot water in a certain time by various physical principles, and can be divided into an electric water heater, a gas water heater, a solar water heater, a magnetic water heater and an air energy water heater according to different working principles. The electric water heater is popular among users due to the advantages of small occupied space, convenience in temperature adjustment, safety, reliability and the like. An electric water heater generally includes a housing, a liner, an electric chamber, and a temperature measuring tube, wherein the temperature measuring tube is installed between the housing and the liner, and one end of the temperature measuring tube penetrates through a side wall mounting hole of the electric chamber and extends into the electric chamber. An insulating layer made of foaming materials is arranged between the outer shell and the inner container.
However, in the foaming process of the foaming material, the foaming material filled between the outer shell and the inner container easily overflows into the electric appliance chamber through the mounting hole, which affects the installation and connection of various electric appliance components in the electric appliance chamber and reduces the quality and assembly efficiency of the electric water heater.
Therefore, there is a need in the art for a new electric water heater to solve the above problems.
Disclosure of Invention
In order to solve the above problems in the prior art, that is, to solve the technical problem that the quality and the assembly efficiency of the electric water heater are reduced because the foaming material easily enters the electric appliance chamber in the foaming process, the invention provides an electric water heater, which comprises an inner container, an electric appliance chamber connected to one end of the inner container, and a shell sleeved on the inner container, wherein the side wall of the electric appliance chamber is provided with a mounting hole, an elastic sealing element for plugging the mounting hole is arranged in the mounting hole, and the elastic sealing element is provided with a jack; the temperature measuring device is characterized in that a heat insulation layer is arranged between the shell and the inner container, a temperature measuring tube is arranged on the outer side wall of the inner container, and one end of the temperature measuring tube penetrates through the jack and extends into the electric appliance chamber.
In the preferable technical scheme of the electric water heater, the elastic sealing element is sponge or foam.
In the preferable technical scheme of the electric water heater, the jack is a cross hole or a cross opening.
In the above preferred technical solution of the electric water heater, the mounting hole is a circular hole, and the elastic sealing member is cylindrical.
In the above preferred technical scheme of the electric water heater, at least one end of the mounting hole is provided with a limiting structure.
In the above preferred technical solution of the electric water heater, the limiting structure is a plurality of convex teeth annularly arranged at the inner side of the end of the mounting hole.
In the preferable technical scheme of the electric water heater, the heat insulation layer is a foam material layer or a polyurethane foam layer.
In the preferred technical scheme of the electric water heater, the outer side wall of the inner container is provided with a clamping groove, and the temperature measuring tube is embedded in the clamping groove.
In the preferred technical scheme of the electric water heater, the outer side wall of the inner container is provided with a pipe hanger, and the temperature measuring pipe is clamped and hung on the pipe hanger.
In the above preferred technical scheme of the electric water heater, the temperature measuring tube includes an outer tube and a temperature measuring probe disposed in the outer tube, and the outer tube is a heat-conducting metal tube.
The electric water heater comprises an electric appliance chamber, a temperature measuring pipe, an elastic sealing piece and a liner, wherein the electric appliance chamber is provided with an installation hole, the installation hole is used for being plugged, the elastic sealing piece is provided with a jack through which the temperature measuring pipe penetrates, when the temperature measuring pipe is installed on the outer side wall of the liner, one end of the temperature measuring pipe penetrates through the jack of the elastic sealing piece and extends into the electric appliance chamber, the installation hole on the side wall of the electric appliance chamber can be plugged by using the elastic sealing piece, and meanwhile, the elastic sealing piece has elasticity and can be used for plugging a gap between the jack and the temperature measuring pipe, so that in the foaming process, a foaming material can be prevented from entering the electric appliance chamber by using the elastic sealing piece, the foaming material is prevented from influencing the installation and connection of various components in the electric appliance chamber, and the quality and the.
In addition, because the elastic sealing element has elasticity, the temperature measuring tube can have a small-range moving space in the mounting hole while preventing the foaming material from entering the electric appliance room, so that the temperature measuring tube can be conveniently aligned and connected with an electric appliance element in the electric appliance room.
Furthermore, the elastic sealing element can slow down the acting force of the foaming material on the mounting hole area of the side wall of the electric appliance chamber in the foaming process, and the stability of the parts in the mounting hole area is effectively protected.
Drawings
Preferred embodiments of the electric water heater of the present invention will be described below with reference to the accompanying drawings. The attached drawings are as follows:
FIG. 1 is a schematic view of a partial structure of an electric water heater according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an electrical chamber of an electric water heater according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the elastomeric seal of FIG. 1;
FIG. 5 is a schematic view of a mounting hole in an embodiment of the present invention;
fig. 6 is a sectional view taken in the direction B-B in fig. 5.
Description of reference numerals:
10: an inner container;
20: an electric appliance room;
21: mounting holes;
22: a first limit structure;
23: a second limit structure;
30: a temperature measuring tube;
40: an elastomeric seal;
41: and (4) inserting the jack.
Detailed Description
First, it should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. Next, it should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "inside", "outside", and the like are based on the direction or positional relationship shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or member must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The common electric water heater generally comprises an inner container and an outer shell, wherein a heat insulation layer formed by foaming materials is arranged between the inner container and the outer shell, and in the foaming process of the foaming materials, if the injection amount of the foaming materials is small, the foaming amount is not full, so that the heat insulation layer between the inner container and the outer shell cannot completely cover the inner container, and the heat insulation effect of the electric water heater is influenced. However, after the injection amount of the foaming material is increased, the foaming material is easy to enter the electric appliance chamber from the mounting hole on the side wall of the electric appliance chamber in the foaming process, the installation, wiring and even safety of each element in the electric appliance chamber are affected, and the cleaning is difficult, so that the quality and the efficiency of the electric water heater are seriously affected.
In view of the above situation, an embodiment of the present invention provides an improved electric water heater, in which an elastic sealing member is disposed in a mounting hole in a side wall of an electric appliance chamber, the elastic sealing member is provided with a jack, and a temperature measuring tube extends into the electric appliance chamber from the jack. The elastic sealing element can seal the mounting hole and simultaneously seal the gap between the jack and the temperature measuring tube, thereby preventing the foaming material from entering the electric appliance chamber in the foaming process, further ensuring the installation and wiring of each element in the electric appliance chamber and improving the quality and the efficiency of the electric water heater. In addition, because the elastic sealing element has elasticity, the temperature measuring tube can have a certain moving space in the mounting hole while preventing the foaming material from entering the electric appliance chamber, thereby being convenient for realizing the alignment connection of the temperature measuring tube and the electric appliance element in the electric appliance chamber.
The following describes the technical solutions of the present invention and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Referring to fig. 1-4, fig. 1 is a schematic partial structure diagram of an electric water heater according to an embodiment of the present invention, fig. 2 is a schematic structural diagram of an electric appliance chamber of the electric water heater according to the embodiment of the present invention, fig. 3 is a cross-sectional view taken along a direction a-a in fig. 2, and fig. 4 is a schematic structural diagram of an elastic sealing member in fig. 1.
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, the electric water heater provided by the embodiment of the present invention includes an inner container 10, an electric appliance chamber 20, a housing (not shown in the figure), an insulating layer (not shown in the figure), a temperature measuring tube 30 and an elastic sealing member 40, wherein a mounting hole 21 is formed in a side wall of the electric appliance chamber 20, the elastic sealing member 40 for plugging the mounting hole 21 is disposed in the mounting hole 21, and the elastic sealing member 40 is provided with an insertion hole 41; an insulating layer is arranged between the shell and the inner container 10, a temperature measuring tube 30 is arranged on the outer side wall of the inner container 10, and one end of the temperature measuring tube 30 penetrates through the jack 41 and extends into the electric appliance chamber 20.
In specific implementation, the inner container 10 is a core component of the electric water heater, and the quality of the inner container 10 directly affects the performance and the service life of the electric water heater. The liner 10 is generally a metal liner, and the inner surface and the outer surface of the liner 10 are surface-treated to improve the corrosion resistance of the liner 10. The electrical chamber 20 can be installed at one end of the inner container 10, and for example, the electrical chamber 20 can be installed at the left end or the right end of the inner container 10 when the electric water heater is installed in the transverse direction. The electric appliance room 20 is used for installing electric elements, such as a heater tube relay, a thermistor, an earth leakage protection switch, etc., so that the electric elements are exposed to the inside of the electric water heater to protect the electric elements installed in the electric appliance room 20.
The shape of the electric appliance chamber 20 is related to the overall shape of the electric water heater or the shape of the inner container 10, for example, the shape of the inner container 10 is cylindrical, and the shape of the electric appliance chamber 20 can be cylindrical or oblate spherical. The side wall of the electrical chamber 20 is provided with a mounting hole 21, and the mounting hole 21 may be a circular hole, an elliptical hole, a square hole, or the like. The elastic sealing member 40 is embedded in the mounting hole 21, the contour of the elastic sealing member 40 is the same as or similar to the shape of the mounting hole 21, preferably, the contour of the elastic sealing member 40 is the same as the shape of the mounting hole 21, and the contour of the elastic sealing member 40 is slightly larger than the mounting hole 21, so that the elastic sealing member 40 is tightly matched with the mounting hole 21 after the elastic sealing member 40 is installed in the mounting hole 21, a gap is prevented from occurring between the elastic sealing member 40 and the mounting hole 21, foaming materials are prevented from entering the electric appliance chamber 20 from the gap during foaming, and the elastic sealing member is also conveniently installed in the mounting hole 21.
The elastic sealing member 40 is provided with a plug hole 41, the plug hole 41 can be located in the central area or the area close to the center of the elastic sealing member, and the size of the plug hole 41 is generally slightly smaller than the outer diameter of the temperature measuring tube 30, so that the temperature measuring tube can pass through the plug hole 41, meanwhile, the gap between the temperature measuring tube 30 and the plug hole 41 is eliminated, and foaming materials are prevented from entering the electric appliance chamber 20 from the gap in the foaming process.
The temperature measuring tube 30 is arranged on the outer side wall of the inner container 10, one end of the temperature measuring tube 30 penetrates through the jack 41 and extends into the electric appliance chamber 20, and the temperature measuring tube 30 is used for measuring the temperature of water in the inner container 10. The temperature measuring tube 30 is tightly matched with the insertion hole 41 of the elastic sealing member 40, that is, a zero clearance is formed between the temperature measuring tube 30 and the insertion hole 41. The other end of the temperature measuring tube 30 may be inserted into the inner container 10, or may not be inserted into the inner container 10, which is not limited in the embodiment of the present invention.
In the electric water heater provided in the above embodiment, by providing the elastic sealing member 40 for sealing the mounting hole 21 in the mounting hole 21 of the side wall of the electric appliance chamber 20, and the elastic sealing member 40 has the insertion hole 41 for the temperature measuring tube 30 to pass through, when the temperature measuring tube 30 is installed on the outer side wall of the inner container 10, one end of the temperature measuring tube 30 passes through the insertion hole 41 of the elastic sealing member 40 and extends into the electric appliance chamber 20, the installation hole 21 on the side wall of the electric appliance chamber can be blocked by the elastic sealing member 40, meanwhile, the elastic sealing member 40 has elasticity, so that the elastic sealing member 40 can also seal the gap between the insertion hole 41 and the temperature measuring tube 30, therefore, in the foaming process, the elastic sealing element 40 can prevent the foaming material from entering the electric appliance chamber 20, the foaming material is prevented from influencing the installation and connection of all components in the electric appliance chamber 20, and the quality and the assembly efficiency of the electric water heater are further improved.
In addition, because the elastic sealing member 40 has elasticity, while the foaming material is prevented from entering the electric appliance chamber 20, the temperature measuring tube 30 can have a certain moving space in the mounting hole 21, so that the temperature measuring tube can be conveniently aligned and connected with the electric appliance elements in the electric appliance chamber 20. Further, the elastic sealing member 40 can reduce the acting force of the foaming material on the mounting hole area of the side wall of the electric appliance chamber during the foaming process, and can more effectively protect the stability of the components in the mounting hole area.
In the above embodiment, the elastic sealing member 40 is used to block the mounting hole 21 and simultaneously block the insertion hole 41 and the temperature measuring tube 30. The resilient seal 40 is made of an elastomeric material or a blend of materials including a proportion of an elastomeric material. Illustratively, the elastic sealing member 40 may be made of rubber, sponge or foam, preferably, the elastic sealing member 40 is made of sponge, i.e. the elastic sealing member 40 is sponge. The sponge is used as the elastic sealing element 40, and in the foaming process, the porous structure in the sponge can absorb the foaming material and form a multilayer protection structure, so that gaps among the mounting hole 21, the jack 41 and the temperature measuring tube 30 can be blocked, the foaming material is prevented from entering the electric appliance room 20, the foaming material is prevented from influencing the installation and connection of various components in the electric appliance room 20, and the quality and the assembly efficiency of the electric water heater are improved. In addition, the elastic sealing member 40 made of sponge can slow down the acting force of the foaming material on the mounting hole area of the side wall of the electric appliance chamber in the foaming process, and can more effectively protect the stability of the components in the mounting hole area.
The shape of the insertion hole 41 in the elastic sealing element 40 is various, and may be a circular hole, an elliptical hole, a square hole, a triangular hole, and the like, and is specifically related to the shape of the temperature measuring tube 30 and the elastic modulus of the elastic sealing element 40. Referring to fig. 4, in a preferred embodiment, the insertion hole 41 is cross-shaped, that is, the insertion hole 41 is a cross-shaped hole or a cross-shaped opening, and the cross-shaped insertion hole 41 is adopted, so that the temperature measuring tube 30 can pass through the insertion hole, and a gap between the temperature measuring tube 30 and the insertion hole 41 can be eliminated, thereby preventing the foaming material from entering the electric appliance chamber 20 from the gap during the foaming process.
In the above embodiment, the number of the mounting holes 21 on the side wall of the electrical appliance chamber 20 is not limited, and may be one, or may be multiple, and correspondingly, the number of the temperature measuring tubes 30 may be one, or may be multiple, that is, the number of the temperature measuring tubes 30 is the same as the number of the mounting holes 21. Elastic sealing member 40 sets up in mounting hole 21, and elastic sealing member 40 and mounting hole 21 tight fit adopt interference fit if between the two to improve the shutoff effect to mounting hole 21.
The shape of the mounting hole 21 is not limited in the embodiment of the present invention, and may be a circular hole, an elliptical hole, a square hole, a triangular hole or other polygonal holes, and accordingly, the shape of the elastic sealing member 40 is the same as or similar to the shape of the mounting hole 21. For example, the mounting hole 21 is a circular hole, and the elastic seal 41 has a cylindrical shape. By adopting the circular mounting hole 21, on one hand, the inner surface of the circular mounting hole 21 is in smooth transition, so that no processing dead angle or assembly dead angle exists, and therefore, when the elastic sealing element 40 is arranged in the mounting hole 21, the plugging effect on the mounting hole 21 is improved, and the foaming material is prevented from entering the electric appliance chamber 20 in the foaming process. In addition, the circular mounting hole 21 and the cylindrical elastic sealing member 40 are adopted, so that the assembly is convenient.
In order to prevent the elastic seal member 40 from falling out of the mounting hole 21, in addition to the above-described embodiment, a stopper structure is provided at least one end of the mounting hole 21. Specifically, a limiting structure may be disposed at one end of the mounting hole 21, or both ends of the mounting hole 21 may be disposed with limiting structures. Referring to fig. 5 and 6, fig. 5 is a schematic structural view of a mounting hole in an embodiment of the present invention, and fig. 6 is a sectional view taken along the direction B-B in fig. 5. In this embodiment, both ends of the mounting hole 21 are provided with a limiting structure, wherein one end of the mounting hole located inside the electric appliance chamber 20 is provided with a first limiting structure 22, and the other end of the mounting hole 21 located outside the electric appliance chamber 20 is provided with a second limiting structure 23, and it should be noted that the positions of the first limiting structure 22 and/or the second limiting structure 23 can be interchanged.
The limiting structure may be a ring formed at the end of the mounting hole 21, or may be a plurality of convex teeth (which may also be referred to as blocking teeth) formed inside the end of the mounting hole 21, for example, as shown in fig. 5, four convex teeth are provided inside the end of the mounting hole 21 located in the electric appliance chamber 20, and the convex teeth are arranged inside the end of the mounting hole 21 at equal intervals. The first limiting structure 22 and the second limiting structure 23 are located at two ends of the mounting hole 21, and form a chamber with two unclosed ends with the inner surface of the mounting hole 21, the elastic sealing element 40 is installed in the chamber, the elastic sealing element 40 is in interference fit with the inner surface of the mounting hole 21, and meanwhile, two ends of the elastic sealing element 40 respectively abut against the first limiting structure 22 and the second limiting structure 23.
By adopting the technical scheme of the embodiment, in the foaming process, the first limiting structure 22 and/or the second limiting structure 23 are/is utilized to prevent the elastic sealing element 40 from falling off from the mounting hole 21 in the foaming process, so that the firmness of the elastic sealing element 40 in the mounting hole 21 is improved.
The elastic sealing member 21 may be installed in the installation hole 21 from the inside of the electric appliance chamber 20 or may be installed in the installation hole 21 from the outside of the electric appliance chamber 20, so that the assembling flexibility of the elastic sealing member 40 may be increased.
In addition, the elastic sealing element 40 can be firstly installed in the installation hole 21, and then the temperature measuring tube 30 is inserted into the insertion hole 41 of the elastic sealing element 40; the temperature measuring tube 30 may be inserted into the insertion hole 41 of the elastic sealing member 40, and then the elastic sealing member 40 with the temperature measuring tube 30 mounted thereon may be mounted in the mounting hole 21.
When the number of the first limiting structures 22 is plural, the plural first limiting structures 22 may be the same or different. Referring to fig. 2, 3, 5 and 6, for example, there are four first limit structures 22 located inside the electric appliance chamber 20, the four first limit structures 22 are respectively convex teeth extending into the mounting hole 21, taking the orientation shown in fig. 5 as an example, the two first limit structures 22 located at the upper and lower sides are the same, and are symmetrically arranged relative to the center of the mounting hole 21, the two first limiting structures 22 positioned at the left side and the right side are the same, and are symmetrically arranged relative to the center of the mounting hole 21, and the sectional areas of the two first limiting structures 22 positioned at the left side and the right side are larger than the sectional areas of the two first limiting structures 22 positioned at the upper side and the lower side, so that when the elastic sealing element 40 is mounted in the mounting hole 21, the resistance of the two first limit structures 22 on the upper and lower sides to the elastic sealing member 40 can be reduced, and the elastic sealing member 40 can be conveniently installed into the installation hole 21.
When the number of the second limiting structures 23 is plural, the plural second limiting structures 23 may be the same or different. For example, referring to fig. 5, there are two second limiting structures 23 located outside the electrical appliance chamber 20, the two second limiting structures 23 have different structural shapes and different sectional areas, so that the firmness of the elastic sealing element 40 installed in the installation hole 21 during the foaming process can be improved.
The first stopper structure 22 and the second stopper structure 23 may be the same or different. For example, referring to fig. 5, the number, size and shape of the first position-limiting structures 22 inside the electric appliance chamber 20 are different from the number, size and shape of the second position-limiting structures 23 outside the electric appliance chamber 20.
In the above embodiment, the insulating layer is used to protect the inner container 10, reduce the heat loss of the inner container 10, and improve the insulating effect of the electric water heater. The heat preservation layer is located between shell and inner bag 10, and inner bag 10 and temperature tube 30 can be wrapped completely to the heat preservation effect to inner bag 10 is improved to the heat preservation. The heat-insulating layer is generally manufactured by the following process: foaming materials are injected between the shell and the inner container 10 by adopting foaming equipment, and a heat insulation layer is formed after condensation, wherein the heat insulation layer can be a foam material layer or a polyurethane foaming layer.
In the above embodiment, the temperature measuring tube 30 is used for detecting the temperature of the water in the inner container 10, and the temperature measuring tube 30 generally includes an outer tube and a temperature measuring probe disposed in the outer tube, wherein the outer tube is generally a heat conductive metal tube, for example, the outer tube is a titanium alloy tube; the temperature probe can be a temperature sensor and is connected with an electrical element in the electrical appliance room for detecting the temperature of the water in the inner container 10 and feeding the measured water temperature back to the electrical element, so as to monitor and control the water temperature of the electric water heater.
In the above embodiment, the temperature measuring tube 30 may be directly attached to the outer sidewall of the inner container 10, for example, a clamping groove is formed on the outer sidewall of the inner container 10, the temperature measuring tube 30 is embedded in the clamping groove, specifically, the clamping groove is a groove formed on the outer sidewall of the inner container 10, the length direction of the clamping groove points to the mounting hole on the sidewall of the electrical appliance room 20, and after the temperature measuring tube 30 is embedded in the clamping groove, the upper end of the temperature measuring tube 30 is inserted into the mounting hole 21. By the design, the temperature measuring tube 30 is attached to the outer side wall of the inner container 10, and the accuracy of water temperature detection in the inner container 10 is improved.
The temperature measuring tube 30 may also be indirectly disposed on the outer sidewall of the inner container 10, for example, a tube hanger is disposed on the outer sidewall of the inner container 10, and the temperature measuring tube 30 is hooked on the tube hanger. The pipe hanger comprises a base fixed on the outer side wall of the inner container 10 and a clamping groove formed on the base, and the temperature measuring pipe 30 is clamped and hung in the clamping groove. By the design, the temperature measuring tube 30 can be arranged on the inner container 10 on the premise of not damaging the structure of the inner container 10, and the service life of the inner container 10 is prolonged.
To sum up, in the electric water heater provided by the embodiment of the present invention, the elastic sealing member for plugging the mounting hole is disposed in the mounting hole of the sidewall of the electric appliance chamber, and the elastic sealing member has a jack through which the temperature measuring tube passes, when the temperature measuring tube is mounted on the outer sidewall of the inner container, one end of the temperature measuring tube passes through the jack of the elastic sealing member and extends into the electric appliance chamber, and the mounting hole of the sidewall of the electric appliance chamber can be plugged by using the elastic sealing member. In addition, because the elastic sealing element has elasticity, the function of preventing the foaming material from entering the electric appliance chamber is achieved, and meanwhile, the small-range swing of the temperature measuring tube in the mounting hole is not influenced, so that the temperature measuring tube can be conveniently connected with the electric appliance element in the electric appliance chamber in an aligned mode.
The embodiments or implementation modes in the present specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments may be referred to each other.
In the description of the present specification, reference to the description of the terms "one embodiment", "some embodiments", "an illustrative embodiment", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
Claims (10)
1. An electric water heater is characterized by comprising an inner container, an electric appliance chamber connected with one end of the inner container, and a shell sleeved on the inner container, wherein,
the side wall of the electric appliance chamber is provided with a mounting hole, an elastic sealing element for plugging the mounting hole is arranged in the mounting hole, and the elastic sealing element is provided with a jack;
the temperature measuring device is characterized in that a heat insulation layer is arranged between the shell and the inner container, a temperature measuring tube is arranged on the outer side wall of the inner container, and one end of the temperature measuring tube penetrates through the jack and extends into the electric appliance chamber.
2. The electric water heater of claim 1, wherein the resilient seal is a sponge or foam.
3. The electric water heater according to claim 1 or 2, wherein the socket is a cross-shaped hole or a cross-shaped gap.
4. The electric water heater of claim 1, wherein the mounting hole is a circular hole and the resilient seal is cylindrical in shape.
5. The electric water heater according to claim 4, wherein at least one end of the mounting hole is provided with a limiting structure.
6. The electric water heater according to claim 5, wherein the limiting structure is a plurality of convex teeth annularly arranged at the inner side of the end part of the mounting hole.
7. The electric water heater of claim 1, wherein the insulating layer is a foam layer or a polyurethane foam layer.
8. The electric water heater according to claim 1, wherein a clamping groove is formed on an outer side wall of the inner container, and the temperature measuring tube is embedded in the clamping groove.
9. The electric water heater according to claim 1, wherein a pipe hanger is arranged on the outer side wall of the inner container, and the temperature measuring pipe is clamped on the pipe hanger.
10. The electric water heater according to claim 8 or 9, wherein the temperature measuring tube comprises an outer tube and a temperature measuring probe disposed in the outer tube, and the outer tube is a heat conductive metal tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549919.9A CN112128978B (en) | 2019-06-24 | 2019-06-24 | Electric water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910549919.9A CN112128978B (en) | 2019-06-24 | 2019-06-24 | Electric water heater |
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| CN112128978A true CN112128978A (en) | 2020-12-25 |
| CN112128978B CN112128978B (en) | 2022-04-22 |
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| CN201910549919.9A Active CN112128978B (en) | 2019-06-24 | 2019-06-24 | Electric water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114963534A (en) * | 2021-06-10 | 2022-08-30 | 武汉海尔热水器有限公司 | Water heater |
Citations (6)
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| CN201983446U (en) * | 2011-01-27 | 2011-09-21 | 海尔集团公司 | Electric water heater |
| JP2013148322A (en) * | 2012-01-23 | 2013-08-01 | Corona Corp | Storage type water heater |
| EP2775227A1 (en) * | 2013-03-04 | 2014-09-10 | Viessmann Werke GmbH & Co. KG | Thermal device |
| CN203629000U (en) * | 2013-10-31 | 2014-06-04 | 芜湖美的厨卫电器制造有限公司 | Water storage type electric water heater |
| CN203837271U (en) * | 2014-04-09 | 2014-09-17 | 海尔集团公司 | Electric water heater end cover capable of preventing material overflow of container opening and electric water heater |
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| CN114963534A (en) * | 2021-06-10 | 2022-08-30 | 武汉海尔热水器有限公司 | Water heater |
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| Publication number | Publication date |
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| CN112128978B (en) | 2022-04-22 |
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