CN110388744B

CN110388744B - Electric water heater

Info

Publication number: CN110388744B
Application number: CN201910663365.5A
Authority: CN
Inventors: 宋瑞伦; 舒春明
Original assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Current assignee: Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2022-05-13
Anticipated expiration: 2039-07-22
Also published as: CN110388744A

Abstract

The invention provides an electric water heater, which is integrated in a bathroom cabinet and comprises a shell and an inner container assembly, wherein the shell comprises a shell body, a front plate detachably connected with the front side surface of the shell body, a side plate detachably connected with the right side surface of the shell body and a bottom plate detachably connected with the bottom surface of the shell body, and the shell body, the front plate, the side plate and the rear plate are enclosed to form an installation cavity; the inner container assembly comprises a plurality of inner containers which are all arranged in the installation cavity, each inner container is internally provided with a heating element, and the inner containers are mutually communicated and one of the inner containers is provided with a water inlet and a water outlet. The technical scheme of the invention can be used for effectively improving the heating efficiency and the hot water utilization rate, and is convenient for the disassembly, assembly and maintenance of the electric water heater.

Description

Electric water heater

Technical Field

The invention belongs to the technical field of water heaters, and particularly relates to an electric water heater.

Background

At present, hot water for daily use of users has two major usage rules of intermittence and large hour change coefficient. The intermittent use means that the cumulative time for using the domestic hot water in one day is short; the large hour change coefficient means that the fluctuation of the domestic hot water demand at different times in a day is large, for example, when getting up and washing in the morning, only a small amount of hot water is needed, and before going to sleep at night, a large amount of hot water is needed due to continuous bathing of a plurality of people.

However, the conventional electric water heater on the market at present usually has only one inner container, so that when a user needs a very small amount of domestic hot water, for example, when washing in the morning, the whole cold water in the whole inner container needs to be heated to a set value, not only is the heating time long, but also after the whole inner container is heated, the water in the inner container is usually inexhaustible, and a large amount of residual hot water is gradually cooled without playing the due role of the water, so that great energy waste is caused. Aiming at the problem, a double-liner water heater with relatively independent heating function is designed in the industry. However, most of the existing double-liner electric water heaters integrated in the bathroom cabinet are fixed, the volume of the water heater occupies more space of the bathroom cabinet, the layout space of the line body is insufficient, and the cabinet body needs to be disassembled for maintenance, so that the disassembly, assembly and maintenance are difficult.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provides an electric water heater, which aims to solve the problem that the existing double-liner electric water heater is inconvenient to disassemble, assemble and maintain.

The invention provides an electric water heater, which is integrated in a bathroom cabinet and comprises:

the shell comprises a shell body, a front plate detachably connected with the front side surface of the shell body, a side plate detachably connected with the right side surface of the shell body and a bottom plate detachably connected with the bottom surface of the shell body, and the shell body, the front plate, the side plate and the rear plate are enclosed to form an installation cavity; and the number of the first and second groups,

the inner container assembly comprises a plurality of inner containers which are arranged in the installation cavity, each inner container is internally provided with a heating element and a plurality of inner containers which are communicated with each other and one of the inner containers is provided with a water inlet and a water outlet.

Optionally, the inner container assembly includes a second inner container and a first inner container stacked above the second inner container, and the water inlet and the water outlet are both disposed at the bottom of the second inner container.

Optionally, the electric water heater further comprises a water inlet pipe and a water outlet pipe which are arranged on the side surface of the shell body, a first water inlet connector and a second water inlet connector are respectively arranged at two ends of the water inlet pipe, and a first water outlet connector and a second water outlet connector are respectively arranged at two ends of the water outlet pipe;

the first water inlet joint is connected with the water inlet, the first water outlet joint is connected with the water outlet, and the second water inlet joint and the second water outlet joint penetrate through the side plate and are exposed outside.

Optionally, an electronic water mixing valve is arranged on the water inlet pipe and the water outlet pipe and adjacent to the water inlet.

Optionally, a position-avoiding groove is formed at the bottom of the shell body in a concave manner, the water inlet and the water outlet are exposed in the position-avoiding groove, and the electronic water mixing valve is located in the position-avoiding groove.

Optionally, the water inlet pipe and the water outlet pipe are arranged in parallel and extend along the rear upper part.

Optionally, a containing groove is formed in the side face of the shell body, and the water inlet pipe and the water outlet pipe are both contained in the containing groove.

Optionally, the joint of the heating element and the inner container is arranged facing the front plate.

Optionally, the heating member includes first heating section, second heating section and the third heating section that connects gradually, the front end of first heating section with the inner bag front end is connected, the second heating section certainly the rear end of first heating section is followed the slope of back below and is extended and form, the third heating section certainly the rear end of second heating section extends backward to be close to the rear end department of inner bag is bent forward again and is extended and form.

Optionally, the front plate and the side plates are detachably clamped with the shell body.

Based on the structural design, aiming at the defects of long heating time consumption, low hot water utilization rate, large energy consumption, difficult maintenance and more occupied space of the existing electric water heater, in the technical scheme of the invention, because the electric water heater integrated in the bathroom cabinet is provided with a plurality of inner containers with mutually independent functions, when the electric water heater is actually used, not only can the space occupation of the bathroom cabinet be reduced, but also a user can select one of the inner containers to heat water according to different water demands, thereby reducing the heating time consumption, effectively improving the heating efficiency and the hot water utilization rate of the electric water heater, and achieving the purposes of increasing the hot water quantity and reducing the energy waste. Simultaneously, because front bezel, curb plate and bottom plate all can dismantle with shell body and be connected, so the accessible is pulled down the plate that corresponds the position and is come to maintain electric water heater's relevant part, and its line body overall arrangement space is enough, has the advantage of dismantling conveniently and being convenient for the maintenance.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of an electric water heater provided by an embodiment of the present invention;

FIG. 2 is an exploded view of an electric water heater provided by an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic cross-sectional structural diagram of an electric water heater provided in the embodiment of the present invention.

The reference numbers illustrate:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. 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 embodiment of the invention provides an electric water heater.

Referring to fig. 1, 2 and 4, in the present embodiment, the electric water heater is integrated in a bathroom cabinet, and includes a housing 100 and a bladder assembly; the housing 100 comprises a housing body 110, a front plate 120 detachably connected with the front side surface of the housing body 110, a side plate 130 detachably connected with the right side surface of the housing body 110, and a bottom plate 140 detachably connected with the bottom surface of the housing body 110, wherein the housing body 110, the front plate 120, the side plate 130 and the rear plate surround to form a mounting cavity; the inner bag subassembly includes the inner bag of placing the installation cavity in a plurality of being equal, all is equipped with heating member 220 in each inner bag, and a plurality of inner bags communicate each other and be equipped with water inlet 211 and delivery port 212 on one of them inner bag.

Based on the structural design, aiming at the defects of long heating time consumption, low hot water utilization rate, large energy consumption, difficult maintenance and more occupied space of the existing electric water heater, in the technical scheme of the invention, because the electric water heater integrated in the bathroom cabinet is provided with a plurality of inner containers with mutually independent functions, when the electric water heater is actually used, not only can the space occupation of the bathroom cabinet be reduced, but also a user can select one of the inner containers to heat water according to different water demands, thereby reducing the heating time consumption, effectively improving the heating efficiency and the hot water utilization rate of the electric water heater, and achieving the purposes of increasing the hot water quantity and reducing the energy waste. Meanwhile, since the front plate 120, the side plates 130 and the bottom plate 140 are detachably connected to the housing body 110, the corresponding parts of the electric water heater can be maintained by detaching the corresponding plates, and the wire body layout space is sufficient, so that the electric water heater has the advantages of convenience in detachment and maintenance.

Specifically, referring to fig. 2, in the present embodiment, the inner container assembly includes a second inner container 220 and a first inner container 210 stacked above the second inner container 220, and the water inlet 211 and the water outlet 212 are both disposed at the bottom of the second inner container 220. In other embodiments, the number of the inner containers may be three or more than three according to the actual design requirement, and the plurality of inner containers may be arranged in other manners according to the actual size of the bathroom cabinet of the user, but the space is usually saved by stacking up and down. Under the arrangement mode of up-down stacking, the water inlet 211 and the water outlet 212 are both arranged at the bottom of the second liner 220 positioned below, so that water inlet and outlet and maintenance of the liners are facilitated. In addition, an insulating layer 300 is further filled between the inner container and the shell, the insulating layer 300 mainly plays a role in insulating, and the double-container structure and the insulating layer 300 in this embodiment can make the casing 100 occupy the least space. Usually, a liner water inlet pipe 213 communicated with the water inlet 211 and a liner water outlet pipe 214 communicated with the water outlet 212 are further provided in the liner, the liner water inlet pipe 213 is provided at the bottom of the second liner 220, and the liner water outlet pipe 214 extends upwards from the bottom of the second liner 220 to the top of the inner cavity adjacent to the first liner 210.

Further, referring to fig. 2 and fig. 3, in this embodiment, the electric water heater further includes a water inlet pipe 410 and a water outlet pipe 420 disposed on the side surface of the shell body 110, two ends of the water inlet pipe 410 are respectively provided with a first water inlet joint 411 and a second water inlet joint 412, and two ends of the water outlet pipe 420 are respectively provided with a first water outlet joint 421 and a second water outlet joint 422; the first water inlet joint 411 is connected with the water inlet 211, the first water outlet joint 421 is connected with the water outlet 212, and the second water inlet joint 412 and the second water outlet joint 422 are both arranged through the side plate 130 and exposed outside. It can be understood that the solution of integrally disposing the water inlet pipe 410 and the water outlet pipe 420 at the side of the housing body 110 not only can effectively reduce the occupied space of the pipeline, but also can be more conveniently connected to an external water source and various water outlet devices, wherein the external water source can be municipal tap water, or other water supply devices, such as but not limited to water provided by various types of water heaters, water purifiers, etc., and the water outlet devices can be but not limited to various types of faucets, shower nozzles, etc.

Further, referring to fig. 3, in the present embodiment, an electronic water mixing valve 430 is disposed on the water inlet pipe 410 and the water outlet pipe 420 adjacent to the water inlet 211. In the current common electric water heater on the market, only a common water mixing valve is usually arranged, so when the water flow changes, the common water mixing valve cannot adjust the cold-hot water ratio in real time, and certain energy waste is caused. However, in the present embodiment, in the water discharging process of the electric water heater, the optimal ratio of cold water to hot water can be adopted for discharging water through the pre-mixing function of the electronic water mixing valve 430, so that the heating efficiency of the electric water heater is improved, and the hot water utilization rate can be effectively improved, the hot water quantity is enlarged, and the energy waste is reduced.

Further, referring to fig. 2 and 4, in the present embodiment, the bottom of the housing body 110 is recessed to form the avoiding groove 111, the water inlet 211 and the water outlet 212 are exposed in the avoiding groove 111, and the electronic water mixing valve 430 is located in the avoiding groove 111. It can be understood that the arrangement of the avoiding groove 111 not only effectively utilizes the bottom space, but also provides effective reserved space for the dismounting connection and maintenance of the water inlet pipe 410 and the water outlet pipe 420 and the liner, and the dismounting and maintenance of the electronic water mixing valve 430, thereby being beneficial to improving the maintenance convenience of the electric water heater.

Further, referring to fig. 2, in order to further reduce the space occupied by the pipeline and facilitate subsequent maintenance, disassembly and assembly, in this embodiment, the water inlet pipe 410 and the water outlet pipe 420 are arranged in parallel and extend along the rear upper portion. Specifically, the side surface of the housing body 110 is provided with the accommodating groove 112, and the water inlet pipe 410 and the water outlet pipe 420 are both accommodated in the accommodating groove 112, so that not only can the occupied space of the pipeline be further reduced, which is beneficial to the integration miniaturization of the electric water heater, but also the accommodating groove 112 has a certain positioning and guiding effect and a protection effect on the pipeline. Of course, if the receiving groove 112 is formed on the heat insulating layer 300 on the side surface of the housing body 110, the heat insulating layer also has a certain heat insulating effect to reduce energy waste.

Further, referring to fig. 2, in the present embodiment, a connection portion of the heating element 220 and the inner container faces the front plate 120. Thus, the heating element 220 and associated accessories may be easily serviced after the front panel 120 is removed.

Further, referring to fig. 2, in the present embodiment, the heating element 220 includes a first heating section 221, a second heating section 222 and a third heating section 223 connected in sequence, the front end of the first heating section 221 is connected to the front end of the liner, the second heating section 222 is formed by extending from the rear end of the first heating section 221 along the rear lower portion in an inclined manner, and the third heating section 223 is formed by extending from the rear end of the second heating section 222 backward and bending forward at the rear end adjacent to the liner. It can be understood that, compared with the conventional straight rod type, the shape design of the heating element 220 in the embodiment can increase the effective heating area in the inner cavity of the liner, and improve the heating efficiency of the heating element 220, thereby achieving the purpose of heating the water in the liner faster and more uniformly.

Further, referring to fig. 2 and 3, in the present embodiment, specifically, the front plate 120 and the side plate 130 are detachably clamped to the housing body 110. In other embodiments, the detachable plates may be detachably connected by screws, magnets, or other detachable methods. Specifically, taking the side plate 130 as an example, a plurality of fastening holes 131 are formed at intervals on the left side surface of the housing body 110 near the edge, and a fastening buckle or a fastening protrusion adapted to be fastened into the fastening holes 131 is formed on the inner side surface of the side plate 130 near the edge. Particularly, the fastening hole 131 includes a large hole 131a and a strip-shaped small hole 131b communicating with the large hole 131a and extending backward, the width of the large hole 131a is larger than that of the small hole 131b, and the width of the small hole 131b is adapted to the fastening or fastening projection, when mounting, the fastening or fastening projection is only required to be put into the large hole 131a, and then the side plate 130 is pushed backward to be fastened into the small hole 131b, so that the fastening can be completed, and the dismounting process is very convenient.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents or improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An electric water heater integrated in a bathroom cabinet, comprising:

the shell comprises a shell body, a front plate detachably connected with the front side surface of the shell body, a side plate detachably connected with the right side surface of the shell body and a bottom plate detachably connected with the bottom surface of the shell body, and the shell body, the front plate, the side plate and the bottom plate are enclosed to form an installation cavity; and the number of the first and second groups,

the inner container assembly comprises a plurality of inner containers which are all arranged in the installation cavity, each inner container is internally provided with a heating element, the inner containers are mutually communicated, the inner containers comprise a second inner container and a first inner container which is stacked above the second inner container, and a water inlet and a water outlet are both arranged at the bottom of the second inner container;

the electric water heater also comprises a water inlet pipe and a water outlet pipe which are arranged on the side surface of the shell body, the water inlet pipe is connected with the water inlet, the water outlet pipe is connected with the water outlet, a heat insulation layer is filled between the liner and the shell body, a containing groove is arranged on the heat insulation layer on the side surface of the shell body, and the water inlet pipe and the water outlet pipe are both contained in the containing groove; the water inlet pipe and the water outlet pipe are arranged in parallel and extend along the rear upper part; the bottom of the shell body is concave inwards to form a position avoiding groove, the water inlet and the water outlet are exposed in the position avoiding groove, the side plate is parallel to the axial direction of the inner container, and the position avoiding groove is communicated with the accommodating groove;

a first water inlet joint and a second water inlet joint are respectively arranged at two ends of the water inlet pipe, and a first water outlet joint and a second water outlet joint are respectively arranged at two ends of the water outlet pipe;

2. The electric water heater as recited in claim 1, wherein an electronic mixing valve is provided on said inlet pipe and said outlet pipe adjacent said inlet port.

3. The electric water heater as recited in claim 2, wherein said electronic mixing valve is located in said keep-away tank.

4. The electric water heater as claimed in claim 1, wherein the junction of the heating element and the inner container is disposed facing the front plate.

5. The electric water heater as claimed in claim 4, wherein the heating element includes a first heating section, a second heating section and a third heating section which are connected in sequence, the front end of the first heating section is connected with the front end of the inner container, the second heating section is formed by extending from the rear end of the first heating section along the rear lower direction in an inclined manner, and the third heating section is formed by extending from the rear end of the second heating section in a backward manner and bending and extending forward at the position adjacent to the rear end of the inner container.

6. The electric water heater according to any one of claims 1 to 5, wherein the front plate and the side plate are detachably clamped with the housing body.