CN220038766U

CN220038766U - Water heater

Info

Publication number: CN220038766U
Application number: CN202320856476.XU
Authority: CN
Inventors: 黄均吉; 孙晓磊
Original assignee: Zhengzhou Haier New Energy Technology Co ltd; Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Current assignee: Zhengzhou Haier New Energy Technology Co ltd; Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd
Priority date: 2023-04-14
Filing date: 2023-04-14
Publication date: 2023-11-17
Anticipated expiration: 2033-04-14

Abstract

The utility model relates to the field of household appliances, in particular to a water heater, which comprises an outer shell, a support end cover and a volute, wherein the support end cover is connected to one end of the outer shell; a drain pipe is formed on the support end cover, a downward extending diversion trench is formed on the upper surface of the support end cover, and the diversion trench is connected with the drain pipe; the volute is connected to the supporting end cover, an evaporator and a fan are sequentially arranged in the installation cavity, and a drainage channel is formed at the bottom of the volute; in the installation state, the bottom of the volute is connected to the upper surface of the support end cover, the drainage channel is positioned in the diversion trench, and the drainage channel is connected into the drainage pipe; the condensate water that the work of evaporimeter produced directly discharges to the drain pipe in through the drainage channel, has solved the condensate water and has fallen on the support end cover, breeds the bacterium easily, influences the problem of water heater life-span, helps improving water heater's life, reduces maintenance frequency, and the security has very big promotion.

Description

Water heater

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a water heater.

Background

The heat pump water heater is a water heater which takes a small amount of electric energy as power and mainly absorbs heat from air to realize heating. Compared with the traditional coal, firewood, oil and gas boilers, the heat pump water heater is environment-friendly and clean, and can not cause safety accidents such as fire, explosion, poisoning and the like.

The fan is used for driving air in the heat pump water heater to flow so as to realize heat exchange of the heat exchangers, the heat pump water heater is internally provided with a condenser and an evaporator, the condenser is used as a heating element to be installed in the inner container and used for heating water, the evaporator is used for absorbing heat in the air so as to realize the purpose of refrigerant heat exchange, the evaporator of the traditional heat pump water heater is directly installed on the end cover, condensed water can be formed on the outer wall of the evaporator because of evaporation and heat absorption in the working process, and the condensed water drops onto the end cover, so bacteria are easy to breed, and the service life of the water heater is influenced;

besides, the evaporator and the fan are independently installed and exposed, so that noise in the working process of the water heater is overlarge, user experience is poor, the utilization rate of heat exchange air flow passing through the evaporator is low, and the heat exchange efficiency is low.

Disclosure of Invention

The utility model aims to provide a water heater, which solves the problems that condensed water formed by an evaporator in the existing heat pump water heater drops on an end cover, is not completely discharged, is easy to breed bacteria, affects the service life of the water heater, and even causes potential safety hazards and the like in the prior art.

In order to achieve the aim of the utility model, the utility model is realized by adopting the following technical scheme:

the utility model proposes a water heater comprising:

an outer shell, in which an inner container is arranged;

a support end cap connected to one end of the outer case; a drain pipe is formed on the support end cover, a downward extending diversion trench is formed on the upper surface of the support end cover, and the diversion trench is connected with the drain pipe;

the bottom of the volute is connected to the supporting end cover, an installation cavity is formed in the volute, an air inlet and an air outlet are formed in the volute, an evaporator and a fan are sequentially arranged in the installation cavity along the flow direction of air flow, and a drainage channel matched with the depth of the diversion trench is formed at the bottom of the volute; in the installation state, the bottom of spiral case is connected the upper surface of support end cover, the drainage channel is located in the guiding gutter, the drainage channel is connected to in the drain pipe.

In some embodiments of the present utility model, an air guiding surface is formed in the installation cavity, the air guiding surface is located below the air inlet, and the air guiding surface is inclined towards the evaporator from top to bottom.

In some embodiments of the present utility model, a mounting portion is formed on the air guiding surface, and a computer board is connected to the mounting portion.

In some embodiments of the utility model, the volute comprises an upper volute and a lower volute, the upper volute and the lower volute being detachably connected; the air guide surface is positioned on the lower volute.

In some embodiments of the present utility model, a plurality of first clamping parts are formed on the upper volute, a second clamping part corresponding to each first clamping part is formed on the lower volute, and the upper volute and the lower volute are detachably connected through a buckle.

In some embodiments of the present utility model, a plurality of first connection parts are further formed on the upper volute, a second connection part corresponding to each first connection part is formed on the lower volute, and each first connection part and the corresponding second connection part are detachably connected through a fastener.

In some embodiments of the present utility model, a drain pipe is formed on the support end cover, and a downward extending diversion trench is formed on the upper surface of the support end cover, and the diversion trench is connected with the drain pipe.

In some embodiments of the present utility model, a drain channel adapted to the depth of the diversion trench is formed at the bottom of the volute, and in the installed state, the bottom of the volute is connected to the upper surface of the support end cover, the drain channel is located in the diversion trench, and the drain channel is connected into the drain pipe.

In some embodiments of the present utility model, the supporting end cover is detachably connected with a compressor, and the liner is provided with a heating element, and the heating element is connected with the compressor and the evaporator through a refrigerant pipeline.

In some embodiments of the utility model, the fan is a centrifugal fan, and the openings of the air inlet and the air outlet face upwards.

Compared with the prior art, the utility model has the advantages and positive effects that:

the evaporator and the fan of the water heater are both arranged in the volute, the drain channel is arranged at the bottom of the volute, condensed water generated by the operation of the evaporator is directly discharged into the drain pipe through the drain channel at the bottom of the volute, the problems that the condensed water drops onto the supporting end cover and bacteria are easy to breed and the service life of the water heater is influenced are solved, the service life of the water heater is prolonged, the maintenance frequency is reduced, the safety is greatly improved, the evaporator and the fan are integrated in the volute, noise is reduced, and the user experience is better.

Other features and advantages of the present utility model will become apparent upon review of the detailed description of the utility model in conjunction with the drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a portion of an embodiment of a water heater according to the present utility model;

FIG. 2 is a schematic view of a support end cap structure;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a cross-sectional view A-A of FIG. 2;

FIG. 5 is a schematic view of the flow path of the airflow within the volute;

FIG. 6 is a schematic illustration of the connection of the volute to the support end cap;

FIG. 7 is a schematic view of the disassembled structure of FIG. 6;

FIG. 8 is a schematic view of a volute split construction;

in the drawing the view of the figure,

100. an outer housing;

200. an inner container;

300. supporting the end cover;

310. a drain pipe;

320. a diversion trench;

400. a volute; 401. an air inlet; 402. an air outlet;

410. an upper volute; 411. a first clamping part; 412. a first connection portion;

420. a lower volute; 421. an air guiding surface; 422. a transitional cambered surface; 423. a second clamping part; 424. a second connecting portion;

430. a drainage channel;

500. a computer board;

600. an evaporator;

700. a blower;

800. a compressor.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The terms "first," "second," and the like, 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 defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; may be mechanically coupled, directly coupled, or indirectly coupled via an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed.

The air source water heater operates in a similar manner to an air conditioner by performing a cycle using a compressor, a condenser (a heating element in the water heater liner), an expansion valve, and an evaporator.

The low-temperature low-pressure refrigerant enters the compressor, the compressor compresses the refrigerant gas in a high-temperature high-pressure state, the compressed refrigerant gas is discharged, and the discharged refrigerant gas flows into the condenser (namely the heating element) in the liner.

The heating member condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process, i.e., heats water in the inner container.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state formed by condensation in the condenser into a low-pressure liquid-phase refrigerant. The evaporator absorbs heat in the air, evaporates the refrigerant expanded in the expansion valve, and returns the refrigerant gas in a low-temperature low-pressure state to the compressor.

Because the evaporator absorbs heat, then, vapor can form the comdenstion water after touching the evaporimeter outer wall, and the last evaporimeter of traditional water heater is direct mount on the end cover, then the comdenstion water that forms on the evaporimeter outer wall can drip on the end cover, breeds the bacterium easily after long-time accumulation, reveal even from the end cover in the water heater shell, influence water heater work, exist the potential safety hazard.

Referring to fig. 1 and 2, the water heater according to the present utility model includes an outer housing 100, a support end cap 300, and a scroll 400, an inner container 200 is provided in the outer housing 100, water is contained in the inner container 200, and a heating member is connected to the inner container 200 for heating the water in the inner container 200.

The support end cover 300 is connected to one end of the outer case 100, a guide groove 320 is formed on the upper surface of the support end cover 300, the guide groove 320 is a groove structure extending downward, the guide groove 320 extends to the outer edge of the support end cover 300, and an outwardly extending drain pipe 310 is formed at the end of the support end cover 300.

To facilitate drainage of water, the depth of the guide grooves 320 increases gradually in the outward direction of the support end cap 300.

Referring to fig. 5, a scroll case 400 is detachably connected to an upper surface of the support end cap 300, an installation cavity is formed inside the scroll case 400, an evaporator 600 and a fan 700 are sequentially disposed in the installation cavity, and the fan 700 is a centrifugal fan 700.

The scroll 400 is formed with an air inlet 401 and an air outlet 402, and openings of the air inlet 401 and the air outlet 402 are upward.

The air flow is input into the volute 400 from the air inlet 401, then is discharged from the air outlet 402, and the evaporator 600 and the fan 700 are sequentially arranged in the installation cavity along the flow direction of the air flow, and the fan 700 drives the air flow to be discharged after heat exchange of the evaporator 600.

Referring to fig. 3 to 5, the bottom of the scroll case 400 is a closed structure, a drain passage 430 is formed at the bottom of the scroll case 400 to be adapted to the depth of the guide groove 320, an outlet of the drain passage 430 is connected to the drain pipe 310, in an installed state, the bottom of the scroll case 400 is connected to the upper surface of the support end cap 300, the drain passage 430 is located in the guide groove 320, and the drain passage 430 is connected to the drain pipe 310.

The condensed water generated from the evaporator 600 falls down into the scroll case 400, and due to the lower position of the drain passage 430, the water flow is condensed in the drain passage 430, the drain passage 430 is also formed with a slope extending downward, and the condensed water in the scroll case 400 is completely discharged out of the scroll case 400 and discharged from the drain pipe 310, so that the condensed water is prevented from being accumulated on the support end cover 300 and leaking into the outer case 100.

Along the discharge direction of the water flow, the drain passage 430 is also provided to be inclined, facilitating the complete discharge of the water flow, avoiding the accumulation of condensed water in the scroll 400.

Referring to fig. 7, in some embodiments of the present utility model, in order to improve the utilization rate of the evaporator 600, the problem that the air flow is directly output from the upper side of the evaporator 600 after being input from the air inlet 401, resulting in the lower side of the evaporator 600 not being fully utilized is avoided, an air guiding surface 421 is provided on the side wall of the installation cavity of the volute 400, the air guiding surface 421 is located below the air inlet 401, and the air guiding surface 421 is inclined from top to bottom along the flow direction of the air flow, i.e. the air gap between the evaporator 600 and the side wall of the installation cavity gradually decreases from top to bottom.

The transition cambered surface 422 is arranged above the air guide surface 421, and after the air flow is input from the air inlet 401, more air flow is conveyed to the lower part of the evaporator 600 through the transition cambered surface 422 under the guidance of the air guide surface 421, so that the heat exchange area of the evaporator 600 is utilized to the maximum.

The air guide surface 421 is further provided with an installation part, the installation part is of a penetrating installation port structure, the computer board 500 is installed on the installation part, more heat can be generated by the computer board 500 in the working process, after the air flow is input from the air inlet 401, the heat generated by the computer board 500 can be taken away through the computer board 500 before entering the evaporator 600, the temperature of the air flow is also increased while the computer board 500 is cooled, and the air flow is absorbed and utilized by the evaporator 600, so that two purposes are achieved.

In order to improve the strength of the scroll 400, a plurality of reinforcing ribs are further disposed on the outer wall of the air guiding surface 421, so as to improve the structural strength of the scroll 400, and provide a stable connection foundation for connection and fixation of the computer board 500 and the like.

Referring to fig. 6 to 8, in order to facilitate the installation of the evaporator 600 and the blower 700, the scroll 400 is designed in a structure of the upper scroll 410 and the lower scroll 420, the upper scroll 410 and the lower scroll 420 are detachably connected, and when the evaporator 600 and the blower 700 are installed, the lower scroll 420 is first fixed to the support end cover 300 by fastening screws or the like, then the evaporator 600 and the blower 700 are fixed in the lower scroll 420, and then the upper scroll 410 is covered on the lower scroll 420, thereby realizing the assembly of the scroll 400 and the evaporator 600 and the blower 700.

Be provided with the buckle between last spiral case 410 and lower spiral case 420, the buckle can realize quick location and preliminary fixation between last spiral case 410 and the lower spiral case 420, concretely, the week side of going up spiral case 410 is provided with a plurality of first joint portions 411, first joint portions 411 are the arch of forming last spiral case 410 surface, lower spiral case 420 is provided with a plurality of second joint portions 423, the position and the first joint portions 411 one-to-one of second joint portions 423 are formed with the joint mouth on the second joint portion 423, go up spiral case 410 connection in-process, first joint portions 411 joint are gone up on second joint portion 423, realize the preliminary connection of spiral case 410 and lower spiral case 420 and fix.

In some embodiments of the present utility model, the upper scroll case 410 is further provided with a plurality of first connection parts 412, similarly, the lower scroll case 420 is further provided with second connection parts 424 corresponding to the positions of the respective first connection parts 412 one by one, connection holes are formed in the first connection parts 412 and the second connection parts 424, and fastening bolts or the like are fastened to the upper scroll case 410 and the lower scroll case 420 after passing through the connection holes in the first connection parts 412 and the second connection parts 424.

The supporting end cap 300 is fixed with a compressor 800 in addition to the scroll 400, the evaporator 600 and the fan 700, and the compressor 800 is connected with the heating member and the evaporator 600 located in the inner container 200 through a refrigerant pipe.

The evaporator 600 and the fan 700 of the water heater are both arranged in the volute 400, the drain channel 430 is arranged at the bottom of the volute 400, condensed water generated by the operation of the evaporator 600 is directly discharged into the drain pipe 310 through the drain channel 430 at the bottom of the volute 400, the problems that condensed water drops on the supporting end cover 300 and bacteria are easy to breed and the service life of the water heater is influenced are solved, the service life of the water heater is prolonged, the maintenance frequency is reduced, the safety is greatly improved, the evaporator 600 and the fan 700 are integrated in the volute 400, noise is reduced, and the user experience is better.

In the description of the above embodiments, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely illustrative embodiments of the present utility model, and the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be covered by the present utility model, and the scope of the present utility model shall be defined by the appended claims.

Claims

1. A water heater, comprising:

an outer shell, in which an inner container is arranged;

2. The water heater of claim 1, wherein the water heater is configured to provide water from the water heater,

an air guide surface is formed in the installation cavity and positioned below the air inlet, and the air guide surface is inclined towards the direction of the evaporator from top to bottom.

3. A water heater as claimed in claim 2, wherein,

the wind guide surface is provided with an installation part, and the installation part is connected with a computer board.

4. A water heater as claimed in claim 2, wherein,

the volute comprises an upper volute and a lower volute, and the upper volute and the lower volute are detachably connected; the air guide surface is positioned on the lower volute.

5. The water heater of claim 4, wherein the water heater is configured to provide water from the water heater,

the upper volute is provided with a plurality of first clamping parts, the lower volute is provided with second clamping parts corresponding to the first clamping parts, and the upper volute and the lower volute are detachably connected through a buckle.

6. A water heater according to claim 4 or 5, wherein,

the upper volute is also provided with a plurality of first connecting parts, the lower volute is provided with second connecting parts corresponding to the first connecting parts in position, and the first connecting parts and the corresponding second connecting parts are detachably connected through fasteners.

7. The water heater of claim 1, wherein the water heater is configured to provide water from the water heater,

the support end cover is provided with a drain pipe, the upper surface of the support end cover is provided with a downward extending diversion trench, and the diversion trench is connected with the drain pipe.

8. The water heater of claim 7, wherein the water heater is configured to provide water from the water heater,

the bottom of spiral case be formed with the degree of depth looks adaptation of guiding gutter drainage passageway, under the installed state, the bottom of spiral case is connected the upper surface of supporting the end cover, drainage passageway is arranged in the guiding gutter, drainage passageway's end connection to in the drain pipe.

9. The water heater of claim 1, wherein the water heater is configured to provide water from the water heater,

the support end cover is detachably connected with a compressor, a heating element is arranged in the liner, and the heating element is connected with the compressor and the evaporator through refrigerant pipelines.

10. The water heater of claim 1, wherein the water heater is configured to provide water from the water heater,

the fan is a centrifugal fan, and the opening directions of the air inlet and the air outlet are upward.