CN220669614U - Electrical box and air conditioner outdoor unit - Google Patents

Abstract

The utility model discloses an electric box and an air conditioner external unit, wherein the electric box comprises a shell, a cover body and a baffle piece, wherein the shell is provided with a mounting cavity and a first air inlet communicated with the mounting cavity, the cover body is arranged on the outer side of the shell and is provided with a first cavity covered with the first air inlet and a second cavity communicated with the first cavity, the cover body is also provided with a second air inlet communicated with the second cavity, and the baffle piece is arranged at the communication part of the first cavity and the second cavity so as to form local fluid obstruction at the communication part of the first cavity and the second cavity. According to the technical scheme, the baffle piece arranged at the communication position of the first cavity and the second cavity reduces water carried by fluid to the installation cavity.

Description

Electrical box and air conditioner outdoor unit

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an electric box and an air conditioner external unit.

Background

The outdoor unit of the air conditioner is generally arranged outdoors, and is influenced by high temperature, low temperature, rainwater and the like for a long time due to the fact that weather is varied, in order to ensure the normal operation of the compressor, the fan, and other electronic components, an electric box is generally arranged in the outer shell of the outdoor unit of the air conditioner so as to accommodate part of the electronic components, so that the electronic components for controlling the compressor and the fan can normally operate.

When the air conditioner external unit normally operates, the electronic components in the electrical box can generate larger heat, and when the electronic components reach a certain temperature, the compressor can be possibly lowered or stopped, even part of components are short-circuited and burnt out, and the normal operation of the air conditioner external unit is seriously affected.

In the prior art, an air inlet is usually formed in the electric box for radiating the electric box, the air inlet is positioned on the air inlet side of the air conditioner external unit so as to introduce air flow to radiate the electronic components in the electric box, but external rainwater can be mixed with the air flow to enter the electric box through the air inlet, and the fan is easy to throw water to the air inlet in the normal operation process, so that the electronic components are damaged.

Disclosure of Invention

The main object of the present utility model is to provide an electrical box aimed at reducing the water carried by the fluid to the mounting cavity.

In order to achieve the above purpose, the electrical box provided by the utility model comprises a shell, a cover body and a baffle piece; wherein,

the shell is provided with an installation cavity and a first air inlet communicated with the installation cavity;

the cover body is arranged on the outer side of the shell, a first cavity for covering the first air inlet and a second cavity communicated with the first cavity are formed, and a second air inlet communicated with the second cavity is further formed in the cover body;

wherein the barrier is provided at a location where the first chamber communicates with the second chamber to form a partial fluid barrier at the location where the first chamber communicates with the second chamber.

In some embodiments of the present utility model, the barrier member extends in a vertical direction, one side of the barrier member is connected to the inner wall of the cover body, and the other side of the barrier member is spaced from the outer wall of the housing.

In some embodiments of the present utility model, the barrier member extends in a vertical direction, one side of the barrier member is connected to an outer wall of the housing, and the other side of the barrier member is spaced from an inner wall of the housing.

In some embodiments of the present utility model, the barrier member extends in a vertical direction, one side of the barrier member abuts against an outer wall of the housing, the other side of the barrier member abuts against an inner wall of the cover, and the barrier member is provided with a ventilation portion therethrough.

In some embodiments of the utility model, the second chamber is provided with a drain below in the vertical direction.

In some embodiments of the present utility model, the first air inlet includes at least one first air inlet slot, and the first air inlet slot extends in a horizontal direction;

the second air inlet is formed in one side, far away from the shell, of the cover body, the second air inlet comprises at least one second air inlet seam, and the second air inlet seam extends in the vertical direction.

In some embodiments of the present utility model, a positioning groove is concavely formed on the outer side of the shell, and a positioning part is convexly formed on the cover body towards the shell, and the positioning part is in plug-in fit with the positioning groove.

In some embodiments of the present utility model, the housing is provided with an air outlet communicated with the installation cavity, the air outlet is located at one side of the housing away from the first air inlet, a shutter structure is arranged at the outer side of the housing, and the shutter structure is covered at the air outlet.

In some embodiments of the present utility model, the electrical box further includes a radiator, the radiator is mounted in the mounting cavity, the housing is further provided with a mounting hole communicated with the mounting cavity, and a portion of the radiator extends out of the housing through the mounting hole.

The utility model also provides an air conditioner external unit which comprises a shell and the electric box, wherein the shell is provided with a containing cavity with an air inlet side and an air outlet side, the electric box is arranged in the containing cavity, and the second air inlet is positioned on the air inlet side.

According to the technical scheme, the mounting cavity and the first air inlet communicated with the mounting cavity are formed in the shell, the cover body is arranged on the outer side of the shell and is provided with the first cavity covered with the first air inlet and the second cavity communicated with the first cavity, and the cover body is also provided with the second air inlet communicated with the second cavity, wherein a baffle piece is arranged at the communication part of the first cavity and the second cavity so as to form partial fluid baffle at the communication part of the first cavity and the second cavity. The cover body covering the first air inlet can prevent fluid from directly filling into the mounting cavity so as to prevent the fluid from carrying a large amount of water into the mounting cavity, wherein the fluid enters the second cavity from the second air inlet, the second air inlet can directly prevent the fluid from carrying a large amount of water into the second cavity and limit the flow of the fluid into the second cavity, and when the fluid continues to flow into the second cavity, the baffle can further baffle the fluid due to the effect of the baffle to intercept the water in the fluid again, reduce the water from entering the first cavity, limit the flow of the fluid entering the first cavity again, and enable the fluid to enter the mounting cavity from the first air inlet, so that the water carried into the mounting cavity by the fluid can be greatly reduced.

Drawings

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

FIG. 1 is a schematic perspective view of an embodiment of an air conditioner outdoor unit according to the present utility model;

fig. 2 is a schematic perspective view of the electrical box in fig. 1;

FIG. 3 is a schematic perspective view of the electrical box of FIG. 1 from another perspective;

FIG. 4 is an assembly of the housing and the barrier of FIG. 3;

fig. 5 is a cross-sectional view of another embodiment of the electrical box of fig. 1.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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 present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides an electric box 100 which is applied to an air conditioner external unit 1000 and is arranged in a shell 1001 of the air conditioner external unit 1000 so as to protect part of electric components of the air conditioner external unit 1000, thereby ensuring the normal operation of the air conditioner external unit 1000. Referring to fig. 1, 2 and 5, in an embodiment of the utility model, the electrical box 100 includes a housing 10, a cover 20 and a barrier 30.

The housing 10 is provided with a mounting chamber 10a and a first air inlet 11 communicating with the mounting chamber 10 a. In order to cope with the severe environment in which the air conditioner outdoor unit 1000 is located, the casing 10 is generally made of a metal material, and the casing 10 may include a plurality of plates connected to each other by a fixed connection manner to form the installation cavity 10a therein, wherein the plurality of plates may be connected to each other by a welding manner, and the plurality of plates may also be connected to each other by a threaded connection manner.

The mounting cavity 10a is typically used for mounting electrical components such as fuses, contactors, capacitors, fuses and the like. It should be noted that, among the plurality of plate bodies, one plate body located above the housing 10 is connected with other plate bodies in a detachable connection manner, so as to facilitate maintenance or replacement of the electronic component installed in the housing 10, and of course, the last plate body may be welded after the electronic component is installed.

The cover 20 is disposed outside the housing 10, and is formed with a first chamber 40 covering the first air inlet 11 and a second chamber 50 communicating with the first chamber 40, and the cover 20 is further provided with a second air inlet 21 communicating with the second chamber 50. The cover 20 may be detachably fixed to the outer side of the housing 10, for example: threaded connection, clamping connection, and the like. The cover 20 may also be disposed on the outer side of the housing 10 by a non-detachable fixed connection, for example: welding, bonding, etc.

Similarly, the cover 20 may be made of a metal material to improve the durability of the electrical box 100. The first chamber 40 and the second chamber 50 may be disposed side by side in the horizontal direction, and the first chamber 40 and the second chamber 50 may be disposed side by side in the vertical direction.

A barrier 30 is provided where the first chamber 40 communicates with the second chamber 50 to form a partial fluid barrier where the first chamber 40 communicates with the second chamber 50. There are various arrangements of the barrier member, in one arrangement, the barrier member 30 is connected to the housing 20, in another arrangement, the barrier member 30 is connected to the housing 10, and in yet another arrangement, the barrier member 30 is connected to the housing 20 and the housing 10, and the present utility model is not limited thereto.

According to the technical scheme, the installation cavity 10a and the first air inlet 11 communicated with the installation cavity 10a are arranged on the shell 10, the cover body 20 is arranged on the outer side of the shell 10, the first cavity 40 covered with the first air inlet 11 and the second cavity 50 communicated with the first cavity 40 are formed, the cover body 20 is also provided with the second air inlet 21 communicated with the second cavity 50, and the baffle 30 is arranged at the communication position of the first cavity 40 and the second cavity 50 so as to form partial fluid obstruction at the communication position of the first cavity 40 and the second cavity 50. So set up, cover body 20 that cover locates first air intake 11 can avoid the fluid to pour into directly into installation cavity 10a, in order to avoid the fluid to carry a large amount of water to get into installation cavity 10a, wherein, the fluid is by second air intake 21 entering into second cavity 50, second air intake 21 can directly avoid the fluid to carry a large amount of water to get into, and to the fluid flow restriction of entering second cavity 50, when the fluid continues to second cavity 50, because the effect of baffle 30, baffle 30 can further block the fluid, in order to intercept the water in the fluid again, reduce water and get into in the first cavity 40, the fluid that gets into first cavity 40 can be by first air intake 11 entering installation cavity 10a again by the flow restriction, so can greatly reduce the water that is carried to installation cavity 10a by the fluid.

In some examples, as shown in fig. 2 and 5, the barrier 30 is extended in a vertical direction, one side of the barrier 30 is connected to the inner wall of the cover 20, and the other side of the barrier 30 is spaced apart from the outer wall of the case 10. So arranged, the first chamber 40 and the second chamber 50 are respectively located at two sides of the baffle member 30 and are spaced in the horizontal direction, when the fluid enters the second chamber 50 from the second air inlet 21, the baffle member 30 extends in the vertical direction, and water in the fluid is blocked by the baffle member 30 and flows downwards along the baffle member 30 due to the distance of gravity, so that the water entering the first chamber 40 is reduced, and the water entering the installation cavity 10a from the first air inlet 11 is reduced.

The barrier 30 has a flat plate shape, and one side of the width of the barrier 30 may be provided on the inner wall of the cover 20 by welding or bonding. It can be appreciated that one side of the baffle 30 is connected with the inner wall of the cover 20, and in the assembly process of the electrical box 100, the baffle 30 can be fixed on the inner wall of the cover 20, and then the cover 20 is arranged on the outer wall of the housing 10, so that the baffle 30 only needs to be aligned and positioned with the cover 20, thereby facilitating the assembly of the electrical box 100 and improving the assembly efficiency.

In some examples, as shown in fig. 4, the barrier 30 is extended in a vertical direction, one side of the barrier 30 is connected to the outer wall of the housing 10, and the other side of the barrier 30 is spaced apart from the inner wall of the cover 20. In this way, the baffle 30 can prevent water from leaking into the first chamber 40 along the outer wall of the housing 10, thereby reducing water from entering the installation cavity 10a through the first air inlet 11, compared to the above-mentioned scheme in which the baffle 30 is connected to the inner wall of the cover 20.

In some examples, the barrier 30 extends in the vertical direction, one side of the barrier 30 abuts against the outer wall of the housing 10, the other side of the barrier 30 abuts against the inner wall of the cover 20, and the barrier 30 is provided with a ventilation portion therethrough. The barrier 30 may be fixedly connected to the cover 20 at one or both ends in the vertical direction. So configured, the barrier 30 may block water from seeping into the first chamber 40 along the outer wall of the housing 10 or/and the inner wall of the enclosure 20, and fluid may flow into the first chamber 40 from the air permeable portion, wherein the air permeable portion intercepts a portion of the water in the fluid.

The ventilation part may be a plurality of through holes penetrating the barrier 30, or may be an opening provided in the barrier 30, and may include a brush provided at the opening, where the brush may catch water in the fluid and breathe.

In some examples, as shown in fig. 3, the second chamber 50 is provided with a drain 22 below in the vertical direction. In this way, water can be discharged from the second chamber 50 through the water discharge portion 22 by gravity, so that water is prevented from accumulating in the second chamber 50 and flowing to the first chamber 40.

Of course, in other embodiments, the drain 22 may be provided below the first chamber 40 in the vertical direction, but in consideration of the provision of the drain 22, it is easy to cause the fluid to be poured from the drain 22 into the first chamber 40, so that the arrangement of the drain 22 in the second chamber 50 is preferable.

The drain portion 22 includes a plurality of drain holes, each of which may be circular or square, or may be elongated in slit shape, and is preferably elongated in slit shape in order to reduce the influence of the fluid on the water discharge, considering that the fluid may affect the water discharge of the drain hole.

In some examples, as shown in fig. 3 and 4, the first air inlet 11 includes at least one first air inlet slot 111, and the first air inlet slot 111 extends in a horizontal direction, the second air inlet 21 is disposed on a side of the cover 20 away from the housing 10, the second air inlet 21 includes at least one second air inlet slot 211, and the second air inlet slot 211 extends in a vertical direction. The arrangement is such that the second air inlet 21 is arranged offset from the first air inlet 11 such that the flow direction of the fluid is not in a straight line to improve the water blocking of the barrier 30.

In the solution where the first air inlet 11 includes at least two first air intake slits 111, at least two first air intake slits 111 are spaced apart in a vertical direction, and in the solution where the second air inlet 21 includes at least two second air intake slits 211, at least two second air intake slits 211 are spaced apart in a horizontal direction, the distance between every two first air intake slits 111 and the distance between every two second air intake slits 211 are not specifically limited, and the lengths and widths of the first air intake slits 111 and the second air intake slits 211 are not specifically limited.

To better drain the water from the second chamber 50, a plurality of drainage bars may be further disposed in the vertical direction in the second chamber 50 to drain the water to the drainage portion 22 below, and it will be appreciated that a portion of the drainage bars may be disposed on a side of the second air intake slit 211 near the first chamber 40.

In some examples, as shown in fig. 3 and 4, the outer side of the housing 10 is concavely provided with a positioning groove 12, and the cover 20 is convexly provided with a positioning portion 23 toward the housing 10, and the positioning portion 23 is in plug-fit with the positioning groove 12. So set up, aim at the accurate installation to the cover body 20 of convenience, after location portion 23 and constant head tank 12 grafting cooperation, the rethread welded, screwed connection etc. fixed connection's connected mode is fixed with the outside of casing 10.

In some examples, as shown in fig. 2 and 4, the housing 10 is provided with an air outlet 13 communicating with the installation cavity 10a, and the air outlet 13 is located at a side of the housing 10 away from the first air inlet 11, the outer side of the housing 10 is provided with a shutter structure 60, and the shutter structure 60 covers the air outlet 13. So set up, the fluid can be followed first air intake 11 and gone into in the installation cavity 10a to discharge from air outlet 13, in order to form the convection current, wherein, the fluid flows in installation cavity 10a and can take away the heat that electronic components gives off, plays radiating effect, and shutter structure 60 that the cover was located air outlet 13 can play waterproof, protection against insects etc. effect.

To further enhance the insect-repellent effect, a wire mesh may be provided inside the air outlet 13 to block insects.

In some examples, as shown in fig. 3, the electrical box 100 further includes a heat sink 70, the heat sink 70 is mounted in the mounting cavity 10a, the housing 10 is further provided with a mounting hole 14 communicating with the mounting cavity 10a, and a portion of the heat sink 70 extends out of the housing 10 through the mounting hole 14. So configured, it is intended to improve the heat dissipation function of the electrical box 100. It will be appreciated that the heat sink 70 includes fins that extend out of the housing 10 through the mounting holes 14.

The present utility model also proposes an air conditioner external unit 1000, please refer to fig. 1, the air conditioner external unit 1000 includes a housing 1001 and an electrical box 100, and the specific structure of the electrical box 100 refers to the above embodiment, and since the air conditioner external unit 1000 adopts all the technical solutions of all the embodiments, it has at least all the beneficial effects brought by the technical solutions of the embodiments, and will not be described in detail herein. Wherein, shell 1001 is provided with holding chamber 1004 that has air inlet side 1002 and air-out side 1003, and electrical apparatus box 100 installs in holding chamber 1004, and second air intake 21 is located air inlet side 1002.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. An electric appliance box is applied to an air conditioner external unit and is characterized by comprising a shell, a cover body and a baffle piece; wherein,

the shell is provided with an installation cavity and a first air inlet communicated with the installation cavity;

the cover body is arranged on the outer side of the shell, a first cavity for covering the first air inlet and a second cavity communicated with the first cavity are formed, and a second air inlet communicated with the second cavity is further formed in the cover body;

wherein the barrier is provided at a location where the first chamber communicates with the second chamber to form a partial fluid barrier at the location where the first chamber communicates with the second chamber.

2. The electrical box of claim 1, wherein the barrier member extends in a vertical direction, one side of the barrier member is connected to the inner wall of the housing, and the other side of the barrier member is spaced from the outer wall of the housing.

3. The electrical box of claim 1, wherein the barrier member extends in a vertical direction, one side of the barrier member is connected to the outer wall of the housing, and the other side of the barrier member is spaced from the inner wall of the housing.

4. The electrical box according to claim 1, wherein the barrier member is extended in a vertical direction, one side of the barrier member abuts against an outer wall of the housing, the other side of the barrier member abuts against an inner wall of the housing, and the barrier member is provided with a ventilation portion therethrough.

5. The electrical box as claimed in any one of claims 2 to 4, wherein the second chamber is provided with a drain portion at a lower portion in a vertical direction.

6. The electrical box of claim 5, wherein the first air inlet comprises at least one first air inlet slot, and the first air inlet slot extends in a horizontal direction;

the second air inlet is formed in one side, far away from the shell, of the cover body, the second air inlet comprises at least one second air inlet seam, and the second air inlet seam extends in the vertical direction.

7. The electrical box of claim 1, wherein a positioning groove is concavely formed in the outer side of the housing, and a positioning portion is convexly formed in the cover body towards the housing, and the positioning portion is in plug-in fit with the positioning groove.

8. The electrical box of claim 1, wherein the housing is provided with an air outlet communicated with the mounting cavity, the air outlet is positioned on one side of the housing away from the first air inlet, a shutter structure is arranged on the outer side of the housing, and the shutter structure is covered on the air outlet.

9. The electrical box of claim 1, further comprising a heat sink mounted to the mounting cavity, the housing further defining a mounting hole in communication with the mounting cavity, a portion of the heat sink extending out of the housing through the mounting hole.

10. An air conditioner external unit, characterized in that the air conditioner external unit comprises a housing and an electrical box according to any one of claims 1 to 9, the housing is provided with a containing cavity having an air inlet side and an air outlet side, the electrical box is mounted in the containing cavity, and the second air inlet is located at the air inlet side.