CN211233122U - Heat dissipation air duct structure of electric control box of outdoor unit of air conditioner - Google Patents
Heat dissipation air duct structure of electric control box of outdoor unit of air conditioner Download PDFInfo
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- CN211233122U CN211233122U CN201922136485.8U CN201922136485U CN211233122U CN 211233122 U CN211233122 U CN 211233122U CN 201922136485 U CN201922136485 U CN 201922136485U CN 211233122 U CN211233122 U CN 211233122U
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- control box
- electric control
- heat dissipation
- printed board
- outdoor unit
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Abstract
The utility model discloses an outer quick-witted automatically controlled box heat dissipation wind channel structure of air-conditioner relates to the air conditioner field, and there is heat dissipation "blind spot" in the bottom region of solving automatically controlled box electrical components, and the heat is blocked easily, influences the problem of whole electrical system normal operating. The utility model adopts the technical proposal that: a heat dissipation air channel structure of an electric control box of an outdoor unit of an air conditioner comprises the electric control box, a printed board arranged in the electric control box and a middle partition board positioned at the back of the electric control box, wherein gaps are formed between four edges of the printed board and the inner wall of the electric control box, a gap is formed between the bottom surface of the printed board and the bottom surface of the electric control box, a ventilation hole is formed in the printed board, an opening is formed in the back of the electric control box, heat dissipation holes are formed in the middle partition board at positions corresponding to the back of the electric control box and are communicated with a fan cavity, and a heat dissipation air channel of the printed board, the bottom of. The utility model is used for improve automatically controlled box electrical element's the heat dissipation condition, can promote the reliability of air conditioner operation.
Description
Technical Field
The utility model relates to an air conditioner field specifically is an automatically controlled box heat dissipation wind channel structure of outer machine of air-conditioner.
Background
The electrical components in the electrical box of the outdoor unit of the air conditioner have large heat productivity. Conventionally, the heat dissipation has been mainly performed by means of a heat sink mounted on the back of the printed board. With the miniaturization development of the outdoor unit, the compressor cavity is continuously compressed; in order to reasonably utilize the space, the installation mode of the electric control box is changed from the traditional horizontal installation at the top of the compressor cavity into the vertical adherence installation at the upper part of the middle clapboard and facing the compressor cavity. Therefore, the heat dissipation of the compressor body can cause adverse effects on the heat dissipation of electrical components in the electric control box, and the heat dissipation condition becomes worse.
In order to improve such a situation, patent documents disclose that a heat dissipation air duct structure is arranged on an electronic control box, and hot air in the electronic control box is guided to a fan cavity and discharged out of an outdoor unit by using a negative pressure effect of the fan cavity, so that the temperature of electrical components of the electronic control box is reduced. However, for small electronic devices such as high-heating resistance elements close to the surface of the printed board, the generated heat is not easy to be discharged due to the position dispersion, and the heat is easy to be blocked and locally high-temperature is caused due to insufficient heat dissipation at the bottom of the printed board, so that the normal operation of the whole electric control system is affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides an at first, there is heat dissipation "blind spot" in the bottom region that solves automatically controlled box electrical components of outer quick-witted automatically controlled box heat dissipation wind channel structure of air-conditioner, and the heat is blocked easily, influences the problem of whole electrical system normal operating.
The utility model provides a technical scheme that its technical problem adopted is: a heat dissipation air channel structure of an electric control box of an outdoor unit of an air conditioner comprises the electric control box, a printed board arranged in the electric control box and a middle partition board positioned at the back of the electric control box, wherein gaps are formed between four edges of the printed board and the inner wall of the electric control box, a gap is formed between the bottom surface of the printed board and the bottom surface of the electric control box, a ventilation hole is formed in the printed board, an opening is formed in the back of the electric control box, heat dissipation holes are formed in the middle partition board at positions corresponding to the back of the electric control box and are communicated with a fan cavity, and a heat dissipation air channel of the printed board, the bottom of.
Further, the method comprises the following steps: the printed board is provided with a plurality of vent holes, and the vent holes are arranged at the positions of the components arranged close to the wall and between the high-low components.
Specifically, the method comprises the following steps: the diameter of the vent hole on the printed board does not exceed 15 mm.
Further, the method comprises the following steps: the holes on the electric control box and the heat dissipation holes on the middle partition plate are arranged in a staggered mode.
Further, the method comprises the following steps: the holes in the electric control box and the ventilation holes in the printed board are arranged in a staggered mode.
Further, the method comprises the following steps: the height of the orifice of the heat dissipation hole of the middle partition plate is not more than 6 mm.
Further, the method comprises the following steps: the hole opening of the air outlet end of the heat dissipation hole of the middle partition plate is vertically downward and/or faces to the opposite side of the heat exchanger.
Specifically, the method comprises the following steps: the back of the electric control box is provided with a radiator.
The utility model has the advantages that: the radiating holes in the middle partition plate are positioned in the negative pressure area of the fan cavity, and under the action of pressure difference, hot air in the bottom area of the printed board is discharged layer by layer along the printed board, the bottom of the electric control box and the radiating holes in the middle partition plate, enters the fan cavity and is finally discharged out of the outdoor unit. Meanwhile, because a gap is formed between the printed board and the electric control box, hot air can enter the open holes at the bottom of the electric control box along the gaps at the periphery of the printed board, and then is discharged into the fan cavity through the heat dissipation holes of the middle partition board and is discharged out of the outdoor unit. The printed board is provided with the vent holes, and the vent holes can cover heating components of the printed board, so that heat dissipation dead zones are avoided, the heat dissipation efficiency is improved, and the normal operation of the electric control system is favorably maintained.
The ventilation holes in the printed board, the holes in the electronic control box and the heat dissipation holes in the middle partition board are arranged in a staggered mode, so that direct penetration of heat dissipation air flow is avoided, arrangement of a heat dissipation air duct is optimized, and the heat dissipation effect is improved. The height of the hole opening of the heat dissipation hole is less than or equal to 6mm, and the hole opening of the air outlet end of the heat dissipation hole is vertically downward and/or faces the opposite side of the heat exchanger, so that impurities such as rainwater and dust can be prevented from entering the electric control box through the heat dissipation air duct.
Drawings
Fig. 1 is an exploded view of an embodiment of a heat dissipation air duct structure of an electric control box of an outdoor unit of an air conditioner.
Fig. 2 is a schematic view showing the distribution of vent holes of the printed board of fig. 1.
Fig. 3 is a schematic diagram showing the arrangement of the openings of the electrical control box of fig. 1.
FIG. 4 is a schematic view of the heat dissipation holes in the back of the electrical box of FIG. 1.
Parts, positions and numbers in the drawings: the electronic control box comprises an electronic control box 1, an opening 11, a radiator 12, a printed board 2, a vent hole 21, a middle partition board 3 and a heat dissipation hole 31.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses outdoor unit of air-conditioner automatically controlled box heat dissipation wind channel structure, including automatically controlled box 1 with install in automatically controlled box 1 the printing board 2 to and be located automatically controlled box 1 back median septum 3. Gaps are arranged between the four sides of the printed board 2 and the inner wall of the electric control box 1, gaps are arranged between the bottom surface of the printed board 2 and the bottom surface of the electric control box 1, and the gaps guarantee that gas between the electric control box 1 and the printed board 2 can flow.
The printed board 2 is provided with a ventilation hole 21 as shown in fig. 2. The ventilation holes 21 are located near the components arranged adherently, in particular near the "short" tall heat generating components surrounded by more "tall" components. Wherein "tall" and "short" refer to the height of the component. The shape and number of the vent holes 21 are not limited, and are specifically determined according to the arrangement condition of components on the printed board 2. The vent holes 21 are generally multiple, and the diameter of the vent holes 21 is less than or equal to 15 mm.
The back of the electrical control box 1 is provided with an opening 11, as shown in fig. 3. The shape of the opening 11 is not limited to any form, for example, the opening 11 is rectangular; the opening 11 may be suitably made large to increase the ventilation effect. The shape, the number and the distribution mode of the open pores 11 at the bottom of the electric control box 1 are specifically adjusted according to the space and the structural allowance. The back of the electronic control box 1 is provided with a radiator 12, and the radiator 12 is used for auxiliary heat dissipation of the electronic control box 1. The positions of the openings 11 of the electronic control box 1 and the vent holes 21 on the printed board 2 do not preferably correspond one to one.
The middle clapboard 3 is provided with a heat dissipation hole 31 at the position corresponding to the back of the electric control box 1, and the heat dissipation hole 31 is communicated with the fan cavity. A heat dissipation air duct of the printed board 2, the bottom of the electric control box 1, the middle partition board 3 and the fan cavity is formed between the electric control box 1 and the fan cavity. The number, the orifice width and the hole arrangement mode of the heat dissipation holes 31 are not limited, and are specifically adjusted according to space and structural allowance. The heat dissipation hole 31 is preferably disposed offset from the opening 11 of the electrical control box 1. The height of the opening of the heat dissipation hole 31 is preferably not more than 6 mm. The hole opening of the air outlet end of the heat dissipation hole 31 can be formed in three ways: the first opening direction faces to the opposite side of the heat exchanger end; secondly, the opening direction is vertical downwards; third, there are the first two opening orientations at the same time, as shown in FIG. 4. The heat dissipation holes 31 have the above size and structure, so that impurities such as rainwater and dust can be effectively prevented from entering the electronic control box 1 through the heat dissipation air duct.
Claims (8)
1. Air-conditioner outdoor unit automatically controlled box heat dissipation wind channel structure includes automatically controlled box (1) and installs printing board (2) in automatically controlled box (1) to and well baffle (3) that are located automatically controlled box (1) back, its characterized in that: gaps are arranged between four sides of a printed board (2) and the inner wall of an electric control box (1), gaps are arranged between the bottom surface of the printed board (2) and the bottom surface of the electric control box (1), vent holes (21) are formed in the printed board (2), holes (11) are formed in the back surface of the electric control box (1), heat dissipation holes (31) are formed in the middle partition board (3) at positions corresponding to the back of the electric control box (1), the heat dissipation holes (31) are communicated with a fan cavity, and a heat dissipation air duct formed between the electric control box (1) and the fan cavity is printed board (2) -bottom of the electric control box (1) -middle partition board (3) -fan cavity.
2. The structure of the heat dissipating duct of the outdoor unit electrical control box of an air conditioner as set forth in claim 1, wherein: the printed board (2) is provided with a plurality of vent holes (21), and the vent holes (21) are arranged at the positions of the components arranged close to each other and between the high and low components.
3. The structure of the heat dissipating duct of the outdoor unit electrical control box of an air conditioner as set forth in claim 1, wherein: the diameter of the vent hole (21) on the printed board (2) is not more than 15 mm.
4. The structure of the heat dissipating duct of the outdoor unit electrical control box of an air conditioner as set forth in claim 1, wherein: the opening (11) on the electric control box (1) and the heat dissipation hole (31) on the middle partition plate (3) are arranged in a staggered mode.
5. The structure of the heat dissipating duct of the outdoor unit electrical control box of an air conditioner as set forth in claim 1, wherein: the opening (11) on the electric control box (1) and the vent hole (21) on the printed board (2) are arranged in a staggered mode.
6. The structure of the heat dissipating air duct of the outdoor unit electrical control box of the air conditioner as claimed in any one of claims 1 to 5, wherein: the height of the hole opening of the heat dissipation hole (31) of the middle partition plate (3) is not more than 6 mm.
7. The structure of the heat dissipating air duct of the outdoor unit electrical control box of the air conditioner as claimed in any one of claims 1 to 5, wherein: the hole of the air outlet end of the heat dissipation hole (31) of the middle partition plate (3) is vertically downward and/or faces to the opposite side of the heat exchanger.
8. The structure of the heat dissipating air duct of the outdoor unit electrical control box of the air conditioner as claimed in any one of claims 1 to 5, wherein: the back of the electric control box (1) is provided with a radiator (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922136485.8U CN211233122U (en) | 2019-12-03 | 2019-12-03 | Heat dissipation air duct structure of electric control box of outdoor unit of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922136485.8U CN211233122U (en) | 2019-12-03 | 2019-12-03 | Heat dissipation air duct structure of electric control box of outdoor unit of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211233122U true CN211233122U (en) | 2020-08-11 |
Family
ID=71919249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922136485.8U Active CN211233122U (en) | 2019-12-03 | 2019-12-03 | Heat dissipation air duct structure of electric control box of outdoor unit of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211233122U (en) |
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2019
- 2019-12-03 CN CN201922136485.8U patent/CN211233122U/en active Active
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