CN216384525U - Electrical apparatus box and air conditioner - Google Patents

Abstract

The utility model provides an electric appliance box and an air conditioner. The electrical box is used for an air conditioner and comprises: the electric appliance box assembly and the electric appliance box cover assembly are assembled to form an accommodating space for arranging the main board; the electrical appliance box cover assembly is provided with an assembly structure for fixed installation, the outer wall of the electrical appliance box assembly is provided with a plurality of air inlets, and the electrical appliance box assembly is provided with a capillary group inlet for the penetration of a capillary group of the air conditioner and a capillary group outlet for the penetration of the capillary group of the air conditioner. The air inlet is provided with the shielding part, so that the air inlet is ventilated and prevents water from entering the electric appliance box; the inlet and the outlet of the capillary group are arranged on two sides of the air inlet, and the capillary group is arranged on the inner side of the electrical box, so that air entering the electrical box is cooled by the capillary group with lower temperature, and then the mainboard is cooled by heat dissipation, and the electric element is prevented from being damaged or invalid due to long-term work in a high-temperature environment.

Description

Electrical apparatus box and air conditioner

Technical Field

The utility model belongs to the field of air conditioners, and particularly relates to an electric appliance box and an air conditioner.

Background

The use of household appliances is an indispensable part of people's life nowadays, and along with the continuous improvement of requirements on functions, comfort levels and the like of the appliances, the power requirements of various appliances are also increasingly greater. One of the bottlenecks of the window type frequency converter is the problem of temperature rise of the components of the electrical box, because the logic of the frequency conversion air conditioner is more complicated than that of a fixed frequency air conditioner, the layout of a main board of the frequency conversion controller and various index parameters of the components are synchronously increased when the whole frequency conversion air conditioner runs, wherein the service life of each component on the main board is greatly shortened due to the increase of the temperature, and when the working temperature of the components reaches the temperature approaching point, the service life of the electrical components is reduced by times when the temperature is increased by 1 ℃.

Because the window machine needs to work under the condition of drenching with rain, therefore the electrical apparatus box of traditional window machine is the totally enclosed formula structure, just so leads to the unable heat of electrical apparatus box mainboard to get rid of to lead to the electrical component during operation temperature very high, life reduces and even has the direct risk of burning out and so the radiating electrical apparatus box of a cooling that urgently needs to develop solves this problem.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art or the related art.

To this end, the present application proposes, in one aspect, an electrical box for an air conditioner, comprising: the electric appliance box assembly and the electric appliance box cover assembly are assembled to form an accommodating space for arranging the main board;

the electrical appliance box cover assembly is provided with an assembly structure for fixed installation, the outer wall of the electrical appliance box assembly is provided with a plurality of air inlets, and the electrical appliance box assembly is provided with a capillary group inlet for the penetration of a capillary group of the air conditioner and a capillary group outlet for the penetration of the capillary group of the air conditioner.

Furthermore, the electric box assembly comprises a first box body and a second box body, the electric box cover assembly comprises an electric box cover and a box cover shielding element, the main board is arranged in a containing space formed between the first box body and the electric box cover, the second box body is covered on the first box body, and the box cover shielding element is covered on the electric box cover;

the air inlet is arranged on the outer wall of the second box body, and the capillary group inlet and the capillary group outlet are arranged on the second box body and located on two sides of the air inlet distribution area.

Furthermore, a water retaining part is respectively arranged on the outer wall of the second box body and above each air inlet;

or a shared water retaining part is arranged on the outer wall of the second box body above all the air inlet distribution areas.

Furthermore, a plurality of protruding portions protruding outwards are arranged on the outer wall of the second box body, the air inlet is formed in the bottom of the protruding portions, and the protruding portions form a water retaining portion of the air inlet.

Further, the first box body comprises a hollow part and a fin part, the second box body comprises a closed part corresponding to the hollow part of the first box body and an opening part corresponding to the fin part of the first box body, the air inlet is formed in the closed part of the second box body, and the top wall of the closed part of the second box body is provided with the air outlet.

Further, the electrical box still includes:

and the temperature sensing module is arranged in the accommodating space, is electrically connected with the mainboard and is used for monitoring the ambient temperature of the electrical element in the electrical box.

Another aspect of the present application provides an air conditioner having any one of the above-mentioned electric boxes, including

A condenser;

and a capillary tube assembly connected with the condenser;

the capillary component penetrates into the accommodating space through the inlet of the capillary group of the electrical box and penetrates out of the outlet of the capillary group of the electrical box after passing through the corresponding area of the air inlet.

Further, the air conditioner includes the casing, has the air-inlet grille on the casing, and the electrical apparatus box is installed in the casing and is set up in the position department that is close to the air-inlet grille. Further, the air conditioner comprises a temperature sensing module arranged in the accommodating space of the electrical box, and the temperature sensing module is electrically connected with the main board and used for monitoring the ambient temperature of the electrical elements in the electrical box.

The application provides a plurality of air inlets of an electric appliance box, which are used for cooling air entering the electric appliance box; furthermore, the inlet of the capillary tube group and the outlet of the capillary tube group are arranged on two sides of the air inlet, so that the capillary tube groups can be arranged on the inner side of the electrical box, air entering the electrical box is cooled by the capillary tube groups with lower temperature, and then the mainboard is cooled by heat dissipation, thereby avoiding the damage or failure of the electrical element caused by long-term working in a high-temperature environment; meanwhile, the shielding part is arranged at the air inlet, so that the air is ventilated, water is prevented from entering the electric appliance box, and the damage to electric elements in the electric appliance box is avoided.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an air conditioner according to an embodiment of the present invention

FIG. 2 is a schematic view of an electrical box and capillary assembly according to one embodiment of the present invention;

FIG. 3 is a schematic perspective view of a capillary assembly according to one embodiment of the utility model;

FIG. 4 is an exploded view of the electrical enclosure according to one embodiment of the present invention;

FIG. 5 is an exploded view of a second container according to an embodiment of the present invention;

FIG. 6 is a schematic view of an air conditioner housing and an air inlet grille according to an embodiment of the present invention;

FIG. 7 is a schematic view of a conventional air conditioner with a peripheral set of capillary tubes according to an embodiment of the present invention;

fig. 8 is a flowchart illustrating an operation of an air conditioner according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 8 is:

1. an electrical box; 100. a second box body; 123. an air outlet; 125. an air inlet; 130. A lid shield; 200. a main board; 301. an electric appliance box cover; 303. a first case; 400. a ceiling plate; 500. a capillary assembly; 2. a condenser; 700. an air inlet grille.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. It should be noted that the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

It should be noted that: as shown in fig. 7, the conventional electrical box adopts a fully sealed structure for water resistance, and because the electrical box in the window air conditioner is located outside the room and is often exposed to rain, the heat of the main board in the electrical box cannot be removed in time due to the fact that the conventional electrical box is sealed. The capillary component is communicated with a condenser of an air conditioner, condensed water of the condenser flows into the capillary component, and the traditional capillary component is arranged outside the electric appliance box in a pipe walking mode.

An electrical box and an air conditioner according to some embodiments of the present invention are described below with reference to fig. 1 to 8.

Example one

As shown in fig. 1, 2 and 3, in one embodiment of the present application, an electrical box 1, for an air conditioner, includes: the electric appliance box comprises an electric appliance box component, a main board 200 and an electric appliance box cover component, wherein the electric appliance box component and the electric appliance box cover component are assembled to form an accommodating space for arranging the main board 200; the electrical box cover assembly is provided with an assembly structure for fixed installation, the outer wall of the electrical box assembly is provided with a plurality of air inlets 125, and the electrical box assembly is provided with a capillary group inlet for the penetration of the capillary component 500 of the air conditioner and a capillary group outlet for the penetration of the capillary component 500 of the air conditioner.

In this embodiment, the electrical box 1 is used for an air conditioner, and the main board 200 is arranged in the electrical box assembly and the electrical box cover assembly to form a containing space; the electrical appliance box cover assembly has an assembly structure for fixed installation. Alternatively, as shown in fig. 5, a ceiling plate 400 is provided at the top of the electrical box assembly for mounting the electrical box 1 into a window of an air conditioner. Set up a plurality of air intakes 125 on the outer wall of electrical apparatus box subassembly, can make the wind from external environment enter into electrical apparatus box 1 inside through a plurality of air intakes 125, and make the inside electric elements heat dissipation of electrical apparatus box 1, set up the capillary group import that capillary group component 500 that is used for the air conditioner penetrated and the capillary group export that capillary group component 500 that is used for the air conditioner wore out on the electrical apparatus box subassembly, can make capillary group component 500 set up to electrical apparatus box 1 inside, and cool down electrical apparatus box 1 inside and electric elements, avoid electric elements to damage or lose efficacy under high temperature environment, strengthen electrical apparatus box 1 and air conditioner's security.

Further, the electrical box assembly comprises a first box body 303 and a second box body 100, the electrical box cover assembly comprises an electrical box cover 301 and a box cover shielding piece 130, the main board 200 is arranged in a containing space formed between the first box body 303 and the electrical box cover 301, the second box body 100 is covered on the first box body 303, and the box cover shielding piece 130 is covered on the electrical box cover 301; the air inlets 125 are disposed on the outer wall of the second container 100, and the capillary group inlets and the capillary group outlets are disposed on the second container 100 and located at two sides of the distribution area of the air inlets 125. The mainboard 200 is arranged in the accommodating space formed between the first box 303 and the electrical appliance box cover 301, the second box 100 is covered on the first box 303, and the air inlet 125 is arranged on the outer wall of the second box 100, so that external air can radiate and cool the mainboard 200 through the air inlet 125; the capillary group inlet and the capillary group outlet are arranged on the second box 100 and located at two sides of the distribution area of the air inlet 125, so that the capillary assembly 500 can be arranged at a position close to the air inlet 125, and preferably, the distribution area of the air inlet 125 needs to cover the arrangement area of the capillary assembly 500; after entering the electrical box 1, the external wind blows the capillary component 500 with lower temperature, the capillary component 500 reduces the temperature of the wind, and then the low-temperature wind blows the mainboard 200 to enhance the cooling and heat dissipation effects of the mainboard 200 and the electrical elements.

Further, a water blocking part is respectively arranged on the outer wall of the second box 100 and above each air inlet 125; alternatively, a common water blocking part is disposed on the outer wall of the second box 100 above the distribution area of all the air inlets 125. The second box 100 is provided with a water retaining portion, so that on the premise that the air inlet 125 can ventilate, water is prevented from entering the electrical box 1 through the air inlet 125, and burning of electrical components is avoided. Further, the outer wall of the second box 100 has a plurality of protrusions protruding outward, the air inlet 125 is disposed at the bottom of the protrusions, and the protrusions form a water stop for the air inlet 125. The plurality of protrusions protrude toward the outside of the second container 100, and when water flows over the protrusions or along the outer wall of the second container 100, the protrusions may block water from entering the air inlet 125, forming a water blocking part. Preferably, the protrusion is a canopy-type protrusion, and the air inlet 125 is a canopy air inlet, which has waterproof and flow-guiding functions.

Further, as shown in fig. 4, the first container 303 includes a hollow portion and a fin portion, the second container 100 includes a closed portion corresponding to the hollow portion of the first container 303 and an opening portion corresponding to the fin portion of the first container 303, the air inlet 125 is disposed on the closed portion of the second container 100, and the air outlet 123 is disposed on a top wall of the closed portion of the second container 100. The hollow-out part of the first box 303 is arranged to enable a plurality of electric elements with different sizes on the mainboard 200 to penetrate through the hollow-out part and radiate heat; the heat generation amount on the main board 200 is large, and the concentrated electric components are in direct contact with the fin portions of the first box 303, and the heat dissipation rate is increased by the fin portions. The closed part of the second box 100 corresponds to the hollow part of the first box 303, so as to protect the electric elements penetrating through the hollow part; the opening of the second case 100 corresponds to the fin portion of the first case 303, and the fin portion can be directly contacted with the external environment through the opening to dissipate heat. Set up air outlet 123 on the enclosure roof of second box body 100, can make and enter into the inside wind of electrical apparatus box 1 through second box body 100 outside air intake 125 and to the mainboard 200 cooling back, discharge through air outlet 123, form the circulation of air passageway, the more efficient is the electrical apparatus box 1 cooling that dispels the heat.

Further, the electrical box still includes:

and the temperature sensing module is arranged in the accommodating space, is electrically connected with the main board 200 and is used for monitoring the ambient temperature of the electric elements in the electric appliance box 1. The main board 200 can receive the temperature information of the temperature sensing module and adopt a cooling strategy according to the temperature information. Optionally, the temperature sensing module may also directly detect the temperature of the electrical element in the electrical box 1, and send temperature information to the main board 200, so as to avoid damage or failure of the electrical element.

Example two

As shown in fig. 1, 2 and 3, in one embodiment of the present application, an air conditioner having an electric box 1 according to any one of the above technical aspects includes a condenser 2; and a capillary tube assembly 500 connected to the condenser 2; the thin tube assembly penetrates into the accommodating space through the inlet of the capillary tube group of the electrical box 1, and penetrates out of the outlet of the capillary tube group of the electrical box 1 after passing through the corresponding area of the air inlet 125. The capillary tube unit 500 is connected to the condenser 2, and the refrigerant in the condenser 2 flows through the capillary tube unit 500. This application arranges capillary component 500 in electrical apparatus box 1's accommodation space, enters into electrical apparatus box 1 back when external wind, at first blows the lower capillary component 500 of temperature, and capillary component 500 makes the temperature of wind reduce, then microthermal wind blows on mainboard 200, has improved electrical apparatus box 1's radiating efficiency, improves mainboard 200 and electrical element's life.

Further, as shown in fig. 5, the air conditioner includes a housing having a grill 700, and the electric box 1 is installed in the housing and disposed near the grill 700. The wind of external environment can enter into the casing through air inlet grille 700, and electrical apparatus box 1 is installed in the casing and is set up in the position department that is close to air inlet grille 700, can make the wind that enters into the casing blow on electrical apparatus box 1, directly plays the cooling effect of dispelling the heat, and partly wind enters into electrical apparatus box 1 through air intake 125 to blow on capillary assembly 500, under the cooling effect of capillary assembly 500, the wind of lower temperature dispels the heat to mainboard 200 and cools down.

Further, the air conditioner comprises a temperature sensing module arranged in the accommodating space of the electrical box 1, and the temperature sensing module is electrically connected with the main board 200 and used for monitoring the ambient temperature of the electrical elements in the electrical box 1; the temperature sensing module is arranged in the electrical box 1, and when the internal environment temperature of the electrical box 1 exceeds the highest value of the temperature of the electrical element, the temperature sensing module sends a signal to the main board 200. If the environmental temperature in the electric appliance box 1 exceeds the highest working temperature of the electric elements, the air inlet volume of outdoor side fans of each part is controlled to be increased, and the air volume blown into the electric appliance box 1 is increased at the moment, so that the heat dissipation effect of the electric elements is faster; the power of the compressor is increased, the refrigeration effect is improved, so that the condensed water reaches a lower temperature, the capillary tube assembly 500 at the lower temperature is used for cooling the electric appliance box 1, and the electric elements are prevented from being damaged or losing efficacy due to long-term work in a high-temperature environment.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically defined, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," 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 the present invention, the schematic representations of the terms used above 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.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. An electrical box (1) for an air conditioner, characterized in that it comprises: the electric appliance box comprises an electric appliance box component, a main board (200) and an electric appliance box cover component, wherein the electric appliance box component and the electric appliance box cover component are assembled to form an accommodating space for arranging the main board (200);

the electrical apparatus lid subassembly has the assembly structure who is used for fixed mounting, set up a plurality of air intakes (125) on the outer wall of electrical apparatus box subassembly, set up the capillary group import that capillary group spare (500) that is used for the air conditioner penetrated and the capillary group export that capillary group spare (500) that is used for the air conditioner worn out on the electrical apparatus box subassembly.

2. An appliance box (1) according to claim 1, wherein the appliance box assembly comprises a first box body (303) and a second box body (100), the appliance box cover assembly comprises an appliance box cover (301) and a box cover shielding member (130), the main board (200) is arranged in a containing space formed between the first box body (303) and the appliance box cover (301), the second box body (100) is covered on the first box body (303), and the box cover shielding member (130) is covered on the appliance box cover (301);

air intake (125) set up on the outer wall of second box body (100), capillary group import and capillary group export set up on second box body (100) and be located air intake (125) distribution area's both sides.

3. The electrical box (1) according to claim 2, wherein a water-blocking part is respectively arranged on the outer wall of the second box body (100) and above each air inlet (125);

or a shared water retaining part is arranged on the outer wall of the second box body (100) above the distribution area of all the air inlets (125).

4. The electrical box (1) as claimed in claim 3, wherein the second box (100) has a plurality of outwardly protruding protrusions on the outer wall, the air inlet (125) is disposed at the bottom of the protrusions, and the protrusions form a water stop for the air inlet (125).

5. The electrical box (1) according to any one of claims 2 to 4, wherein the first box (303) comprises a hollow portion and a fin portion, the second box (100) comprises a closed portion corresponding to the hollow portion of the first box (303) and an open portion corresponding to the fin portion of the first box (303), the air inlet (125) is disposed on the closed portion of the second box (100), and the air outlet (123) is disposed on the top wall of the closed portion of the second box (100).

6. An electrical box (1) according to claim 1, further comprising:

and the temperature sensing module is arranged in the accommodating space, is electrically connected with the main board (200) and is used for monitoring the environmental temperature of the electrical element in the electrical box (1).

7. An air conditioner having an electrical box (1) according to any one of claims 1 to 6, characterised by comprising

A condenser (2);

and a capillary tube assembly (500) connected to the condenser (2);

the capillary tube assembly (500) penetrates into the accommodating space from the capillary tube assembly inlet of the electrical box (1) and penetrates out from the capillary tube assembly outlet of the electrical box (1) after passing through the corresponding area of the air inlet (125).

8. The air conditioner as claimed in claim 7, comprising a housing having a grill (700), wherein the electric appliance box (1) is installed in the housing and disposed adjacent to the grill (700).

9. The air conditioner according to claim 8, characterized in that the air conditioner comprises a temperature sensing module arranged in the accommodating space of the electrical box (1), wherein the temperature sensing module is electrically connected with the main board (200) and used for monitoring the ambient temperature of the electrical elements in the electrical box (1).

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