CN220669610U - Explosion-proof structure of electrical box and air conditioner outdoor unit thereof - Google Patents
Explosion-proof structure of electrical box and air conditioner outdoor unit thereof Download PDFInfo
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- CN220669610U CN220669610U CN202322215967.9U CN202322215967U CN220669610U CN 220669610 U CN220669610 U CN 220669610U CN 202322215967 U CN202322215967 U CN 202322215967U CN 220669610 U CN220669610 U CN 220669610U
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Abstract
The utility model discloses an explosion-proof structure of an electric appliance box and an air conditioner outdoor unit thereof, comprising an outer machine body, wherein one side of the outer machine body is provided with a mounting cavity, the top of the mounting cavity is provided with a closed box, an electric control inner cavity for mounting an electric control assembly is arranged in the closed box, two side wall surfaces of the closed box are provided with a plurality of wire outlet holes, the wire outlet holes are provided with isolation plugs, and the isolation plugs are provided with openable through grooves; a refrigerant monitoring unit is arranged below the closed box in the mounting cavity and is used for monitoring the concentration of the refrigerant and controlling the working state of the electric control assembly in a feedback manner; the sealing box is arranged at the top of the mounting cavity, so that the refrigerants settled at the bottom layer can be effectively avoided, the refrigerants can be prevented from entering the electric control inner cavity from the wire outlet holes by arranging the isolating plug in the wire outlet holes of the sealing box, and the sealing property of the sealing box is effectively improved by the isolating plug; in addition, the refrigerant concentration below the closed box is monitored through the refrigerant monitoring unit, so that the problem of explosion of the electric control assembly is prevented.
Description
Technical Field
The utility model relates to the technical field of air conditioning equipment, in particular to an electric box explosion-proof structure and an air conditioning outdoor unit thereof.
Background
The air conditioner outdoor unit is provided with a liquid storage tank for storing refrigerants and an electric control assembly, the electric control assembly and the liquid storage tank are usually arranged in the same space, isolation treatment is not carried out, when the refrigerants in the liquid storage tank leak, and when the concentration of the refrigerants reaches a certain degree, the problem that elements on the electric control assembly explode is possibly caused, and high safety risk exists.
It can be seen that there is a need for improvements and improvements in the art.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide an explosion-proof structure for an electrical box, which can perform closed installation on an electrical control assembly, avoid direct contact between a refrigerant and the electrical control assembly, and monitor the concentration of the refrigerant to ensure the normal operation of the electrical control assembly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an electrical apparatus box explosion-proof structure, includes outer quick-witted body, one side of outer quick-witted body is provided with the installation cavity, the top of installation cavity is provided with the closed box, be provided with the automatically controlled inner chamber that is used for installing automatically controlled subassembly in the closed box, be provided with a plurality of wire holes on the both sides wall of closed box, be provided with the isolation plug on the wire hole, be provided with the logical groove that can open and shut on the isolation plug; the mounting cavity is internally provided with a refrigerant monitoring unit positioned below the closed box, and the refrigerant monitoring unit is used for monitoring the concentration of the refrigerant and controlling the working state of the electric control assembly in a feedback manner.
In the explosion-proof structure of the electrical box, the closed box comprises a shell, an upper sealing cover and a first sealing sponge part, the electric control inner cavity is positioned in the shell, and the upper sealing cover and the first sealing sponge part are sequentially covered on the top of the electric control inner cavity from bottom to top.
In the explosion-proof structure of the electrical box, one side of the closed box is provided with an inner machine side plate, and the inner machine side plate is used for installing an inner machine control circuit board of the electric control assembly; the outside of installation cavity is provided with outside frame, outside frame towards the one side of interior machine curb plate is provided with the second seal sponge portion of interior machine side board butt.
In the explosion-proof structure of the electrical box, a plurality of first radiating grooves are formed in the bottom of the electric control inner cavity of the shell.
In the explosion-proof structure of the electrical box, a first blocking cover is arranged below the first radiating groove at the bottom of the shell.
In the explosion-proof structure of the electrical box, a plurality of second radiating grooves are formed in one side of the shell, which is located in the electric control inner cavity.
In the explosion-proof structure of the electrical box, a second blocking cover is arranged on the outer side of the shell, which is located on the second radiating groove.
The utility model also provides an air conditioner outdoor unit which comprises the electric box explosion-proof structure.
The beneficial effects are that:
the utility model provides an explosion-proof structure of an electric appliance box, wherein an electric control assembly is arranged in an electric control inner cavity, the electric control assembly is sealed through a sealing box, and as a liquid storage tank is arranged at the bottom of the installation cavity and a refrigerant can sink downwards when leaking, the sealing box is arranged at the top of the installation cavity to effectively avoid the invasion of the refrigerant, and a wire outlet hole of the sealing box can prevent the refrigerant from entering the electric control inner cavity from the wire outlet hole through the arrangement of a separation plug, and the sealing performance of the sealing box is effectively improved through the arrangement of the separation plug; in addition, the refrigerant concentration below the closed box is monitored through the refrigerant monitoring unit, and if the refrigerant monitoring unit monitors that the refrigerant concentration reaches a specified threshold value, the power supply of the emergency feedback control electric control assembly is turned off, so that the electric control assembly is prevented from working under the condition of higher refrigerant concentration, and the problem of explosion of the electric control assembly is prevented.
Drawings
Fig. 1 is a schematic diagram of the whole structure of an explosion-proof structure of an electrical box provided by the utility model;
fig. 2 is a schematic diagram of an internal structure of an explosion-proof structure of an electrical box provided by the utility model;
fig. 3 is a schematic structural diagram of the closed box in the explosion-proof structure of the electrical box provided by the utility model;
fig. 4 is a schematic diagram of a disassembly structure of the closed box in the explosion-proof structure of the electrical box provided by the utility model;
fig. 5 is a schematic diagram of a disassembled structure of the casing in the explosion-proof structure of the electrical box provided by the utility model.
Description of main reference numerals: the device comprises a 1-outer machine body, an 11-mounting cavity, a 2-sealing box, a 21-shell, a 22-upper sealing cover, a 23-first sealing sponge part, a 24-electric control inner cavity, a 25-wire outlet hole, a 26-isolation plug, a 27-through groove, a 28-first heat dissipation groove, a 29-first blocking cover, a 210-second heat dissipation groove, a 211-second blocking cover, a 3-refrigerant monitoring unit, a 4-inner machine side plate, a 5-outer side frame, a 51-second sealing sponge part, a 6-electric control assembly, a 61-inner machine control circuit board and a 7-liquid storage tank.
Detailed Description
The utility model provides an explosion-proof structure of an electrical box and an air conditioner outdoor unit thereof, which are used for making the purposes, technical schemes and effects of the utility model clearer and more definite, and the utility model is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the azimuth or positional relationship indicated by the terms "middle", "inside", "outside", etc. are the azimuth or positional relationship of the present utility model based on the drawings, and are merely for convenience of description of the present utility model and simplification of the description. In addition, the terms "first," "second," "third," 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.
Referring to fig. 1 to 5, the utility model provides an explosion-proof structure of an electrical box, comprising an outer machine body 1, wherein one side of the outer machine body 1 is provided with a mounting cavity 11, the top of the mounting cavity 11 is provided with a closed box 2, an electric control inner cavity 24 for mounting an electric control assembly 6 is arranged in the closed box 2, two side wall surfaces of the closed box 2 are provided with a plurality of wire outlet holes 25, the wire outlet holes 25 are provided with isolating plugs 26, and the isolating plugs 26 are provided with openable through grooves 27; the refrigerant monitoring unit 3 is arranged below the closed box 2 in the installation cavity 11, and the refrigerant monitoring unit 3 is used for monitoring the concentration of the refrigerant and controlling the working state of the electric control assembly 6 in a feedback mode.
When in actual use, the electric control assembly 6 is arranged in the electric control inner cavity 24, the electric control assembly 6 is sealed through the sealing box 2, and as the liquid storage tank 7 is arranged at the bottom of the installation cavity 11 and the refrigerant can sink downwards when leaking, the sealing box 2 is arranged at the top of the installation cavity 11 to effectively avoid the invasion of the refrigerant, the wire outlet 25 of the sealing box 2 can prevent the refrigerant from entering the electric control inner cavity 24 from the wire outlet 25 through the isolating plug 26, the sealing performance of the sealing box 2 is effectively improved through the isolating plug 26, and when a signal wire or a power wire of the electric control assembly 6 is required to extend out of the sealing box 2, the signal wire or the power wire extends out through the through groove 27 on the isolating plug 26 to reduce the gap on the sealing box 2; in addition, the refrigerant concentration below the closed box 2 is monitored through the refrigerant monitoring unit 3, and if the refrigerant monitoring unit 3 monitors that the refrigerant concentration reaches a specified threshold value, the power supply of the emergency feedback control electric control assembly 6 is turned off, so that the electric control assembly 6 is prevented from working under the condition of higher refrigerant concentration, and the explosion problem of the electric control assembly 6 is prevented.
In this embodiment, the isolation plug 26 is a conventional isolation plug made of flexible material such as a silicone isolation plug or a rubber isolation plug.
In this embodiment, the refrigerant monitoring unit 3 is an existing flammable gas sensor, and the specific structure and the working principle are all the existing technologies, and are not described herein again; in actual use, the refrigerant monitoring unit 3 is electrically connected with the electric control assembly 6, and the electric control assembly 6 is controlled to be turned off emergently through feeding back a threshold signal.
The groove shape of the through groove 27 may be a cross shape, a straight shape, or the like.
It should be noted that, the electric control assembly 6 specifically includes a driving circuit board (not shown in the figure), an external machine control circuit board (not shown in the figure), and an internal machine control circuit board 61, which are all control modules in the existing air conditioner outdoor unit, and all the three are used for controlling the working conditions of the air conditioner outdoor unit, and the specific circuit structure and working principle are all in the prior art and are not repeated herein.
As shown in fig. 1 to 5, further, the closed box 2 includes a housing 21, an upper cover 22 and a first sealing sponge portion 23, the electric control cavity 24 is located in the housing 21, and the upper cover 22 and the first sealing sponge portion 23 are sequentially covered on top of the electric control cavity 24 from bottom to top; the upper top cover and the first sealing sponge part 23 are arranged at the top of the closed box 2, so that the overall sealing performance of the closed box 2 can be effectively improved, and the refrigerant can be prevented from entering the electric control inner cavity 24 from the upper part of the shell 21; in this embodiment, four sides of the upper cover 22 are fixedly connected to the housing 21 by bolts, and the first sealing sponge portion 23 is adhered to the upper cover 22 by adhesive.
As shown in fig. 1 to 5, further, an inner machine side plate 4 is provided on one side of the closed box 2, and the inner machine side plate 4 is used for mounting an inner machine control circuit board 61 of the electric control assembly 6; an outer frame 5 is arranged outside the mounting cavity 11, and a second sealing sponge part 51 abutting against the inner side plate 4 is arranged on one surface of the outer frame 5 facing the inner side plate 4; by providing the second sealing sponge portion 51 on the inner side surface of the outer frame 5, the gap between the outer frame 5 and the inner machine side plate 4 can be effectively sealed, and the inflow of the refrigerant from the gap between the outer frame 5 and the inner machine side plate 4 is prevented, and the corrosion of the refrigerant to the inner machine control circuit board 61 is prevented.
In the present embodiment, the inner side plate 4 is snap-coupled to one side of the closed casing 2.
As shown in fig. 1 to 5, further, a plurality of first heat dissipation grooves 28 are formed in the bottom of the electric control cavity 24 of the housing 21; the first heat dissipation groove 28 can effectively improve the heat dissipation efficiency of the electric control inner cavity 24, and avoid the problem that the electric control assembly 6 is overheated in the electric control inner cavity 24.
As shown in fig. 1 to 5, further, a first blocking cover 29 is disposed at the bottom of the housing 21 below the first heat dissipation groove 28; by providing the first blocking cover 29 on the outer side of the first heat dissipation groove 28, the cooling medium or other pollutants can be blocked to a certain extent, so that the cooling medium or other pollutants can be prevented from entering the electric control inner cavity 24 to damage the electric control assembly 6.
As shown in fig. 1 to 5, further, a plurality of second heat dissipation grooves 210 are disposed on one side of the housing 21 located on the electric control cavity 24; the second heat dissipation groove 210 can effectively improve the heat dissipation efficiency of the electric control inner cavity 24, and avoid the overheating problem of the electric control assembly 6 in the electric control inner cavity 24.
As shown in fig. 1 to 5, further, a second blocking cover 211 is disposed on the outer side of the second heat dissipation groove 210 of the housing 21; by providing the second blocking cover 211 on the outer side of the second heat dissipation groove 210, the cooling medium or other pollutants can be blocked to a certain extent, so that the cooling medium or other pollutants can be prevented from entering the electric control inner cavity 24 to damage the electric control assembly 6.
The utility model also provides an air conditioner outdoor unit which comprises the electric box explosion-proof structure.
In summary, the electric control assembly 6 is installed in the electric control cavity 24, and the electric control assembly 6 is sealed by the sealing box 2, and since the liquid storage tank 7 is arranged at the bottom of the installation cavity 11 and the refrigerant can sink downwards when leaking, the sealing box 2 is arranged at the top of the installation cavity 11 to effectively avoid the invasion of the refrigerant, and the wire outlet 25 of the sealing box 2 can avoid the refrigerant from entering the electric control cavity 24 from the wire outlet 25 by arranging the isolating plug 26, and the sealing performance of the sealing box 2 is effectively improved by arranging the isolating plug 26; in addition, the refrigerant concentration below the closed box 2 is monitored through the refrigerant monitoring unit 3, and if the refrigerant monitoring unit 3 monitors that the refrigerant concentration reaches a specified threshold value, the power supply of the emergency feedback control electric control assembly 6 is turned off, so that the electric control assembly 6 is prevented from working under the condition of higher refrigerant concentration, and the explosion problem of the electric control assembly 6 is prevented.
It will be understood that equivalents and modifications will occur to those skilled in the art in light of the present utility model and their spirit, and all such modifications and substitutions are intended to be included within the scope of the present utility model as defined in the following claims.
Claims (8)
1. The utility model provides an electrical apparatus box explosion-proof structure, includes outer quick-witted body, its characterized in that, one side of outer quick-witted body is provided with the installation cavity, the top of installation cavity is provided with the closed box, be provided with the automatically controlled inner chamber that is used for installing automatically controlled subassembly in the closed box, be provided with a plurality of wire holes on the both sides wall of closed box, be provided with the isolation plug on the wire hole, be provided with the logical groove that can open and shut on the isolation plug; the mounting cavity is internally provided with a refrigerant monitoring unit positioned below the closed box, and the refrigerant monitoring unit is used for monitoring the concentration of the refrigerant and controlling the working state of the electric control assembly in a feedback manner.
2. The explosion-proof structure of an electrical box according to claim 1, wherein the closed box comprises a shell, an upper sealing cover and a first sealing sponge part, the electrical control inner cavity is positioned in the shell, and the upper sealing cover and the first sealing sponge part are sequentially arranged on the top of the electrical control inner cavity in a covering manner from bottom to top.
3. The explosion-proof structure of an electrical box according to claim 1, wherein an inner machine side plate is arranged on one side of the closed box, and the inner machine side plate is used for installing an inner machine control circuit board of an electric control assembly; the outside of installation cavity is provided with outside frame, outside frame towards the one side of interior machine curb plate is provided with the second seal sponge portion of interior machine side board butt.
4. The explosion-proof structure of an electrical box according to claim 2, wherein a plurality of first heat dissipation grooves are formed in the bottom of the electrical control inner cavity of the shell.
5. The explosion-proof structure of an electrical box according to claim 4, wherein a first blocking cover is arranged at the bottom of the shell below the first heat dissipation groove.
6. The explosion-proof structure of an electrical box according to claim 2, wherein a plurality of second heat dissipation grooves are formed in one side of the housing, which is located in the electrical control inner cavity.
7. The explosion-proof structure of an electrical box according to claim 6, wherein a second blocking cover is arranged on the outer side of the second heat dissipation groove of the shell.
8. An outdoor unit of an air conditioner, comprising the electrical box explosion-proof structure according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322215967.9U CN220669610U (en) | 2023-08-16 | 2023-08-16 | Explosion-proof structure of electrical box and air conditioner outdoor unit thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322215967.9U CN220669610U (en) | 2023-08-16 | 2023-08-16 | Explosion-proof structure of electrical box and air conditioner outdoor unit thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220669610U true CN220669610U (en) | 2024-03-26 |
Family
ID=90343025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322215967.9U Active CN220669610U (en) | 2023-08-16 | 2023-08-16 | Explosion-proof structure of electrical box and air conditioner outdoor unit thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220669610U (en) |
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2023
- 2023-08-16 CN CN202322215967.9U patent/CN220669610U/en active Active
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