CN210373823U - Electrical apparatus box heat radiation structure, off-premises station and air conditioner - Google Patents
Electrical apparatus box heat radiation structure, off-premises station and air conditioner Download PDFInfo
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- CN210373823U CN210373823U CN201920840533.9U CN201920840533U CN210373823U CN 210373823 U CN210373823 U CN 210373823U CN 201920840533 U CN201920840533 U CN 201920840533U CN 210373823 U CN210373823 U CN 210373823U
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- 230000005855 radiation Effects 0.000 title claims abstract description 13
- 230000017525 heat dissipation Effects 0.000 claims description 61
- 238000011144 upstream manufacturing Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000007423 decrease Effects 0.000 claims description 3
- 239000002826 coolant Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000003507 refrigerant Substances 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
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Abstract
The application provides an electrical apparatus box heat radiation structure, off-premises station and air conditioner. This electrical apparatus box heat radiation structure includes electrical apparatus box body (1) and plate body (2) that are located electrical apparatus box body (1) place side, plate body (2) set up between electrical apparatus box body (1) and air conditioner exterior space, be provided with inlet channel (3) with the intercommunication of air conditioner exterior space on plate body (2), along the air current flow direction, electrical apparatus box body (1) has upper reaches side and downstream side, along the direction from upper reaches side to downstream side, outside air flows through electrical apparatus box body (1) surface from inlet channel (3). According to the electric appliance box heat radiation structure of this application, can increase the inside and outside ambient temperature difference of electric appliance box, improve the radiating effect of electric appliance box.
Description
Technical Field
The application belongs to the technical field of air conditioning, concretely relates to electrical apparatus box heat radiation structure, off-premises station and air conditioner.
Background
In the air conditioning industry, the temperature inside the electrical box can affect the reliability of the electrical components inside the electrical box and the service life of the electrical components.
The existing electric appliance box is directly arranged inside the air conditioner, the electric appliance box can be directly contacted with the air inside the unit after heat exchange in the assembly, but the air temperature inside the unit after heat exchange is higher, so that the temperature difference between the external environment temperature of the electric appliance box and the environment temperature of the cavity inside the electric appliance box is smaller, and the heat dissipation effect of the electric appliance box is reduced.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem to be solved in the present application is to provide an electrical box heat radiation structure, an outdoor unit and an air conditioner, which can increase the temperature difference between the internal environment and the external environment of the electrical box and improve the heat radiation effect of the electrical box.
In order to solve the above problem, the application provides an electrical apparatus box heat radiation structure, including electrical apparatus box body and the plate body that is located electrical apparatus box body place side, the plate body setting is between electrical apparatus box body and air conditioner exterior space, be provided with the inlet channel with the air conditioner exterior space intercommunication on the plate body, along the air current flow direction, electrical apparatus box body has upstream side and downstream side, along the direction from upstream side to downstream side, outside air flows through electrical apparatus box body surface from inlet channel.
Preferably, the heat dissipation structure of the electrical box further comprises a cover case, the cover case is covered outside the electrical box body and separates the electrical box body from the inner space of the air conditioner, an overcurrent channel is formed between the cover case and the electrical box body, and the air inlet channel is communicated to the overcurrent channel.
Preferably, the housing is provided with an air outlet channel communicated with the overflowing channel, and the air outlet channel is arranged on one side of the housing far away from the air inlet channel.
Preferably, the air outlet channel is arranged on an air outlet side plate of the housing far away from the air inlet channel, and the air outlet side plate is arranged opposite to a downstream side plate of the electrical box body.
Preferably, the air-out side plate is disposed obliquely with respect to the downstream side plate.
Preferably, the cross-sectional area of the flow passage decreases in the direction of flow of the gas stream.
Preferably, the bottom of the housing is provided with a water through hole.
Preferably, a refrigerant heat dissipation pipeline is further arranged in the electrical appliance box body.
Preferably, the air intake passage is provided at an upstream side of the electrical box body, and the external air flows from the upstream side of the electrical box body to a downstream side of the electrical box body through the outer surface.
Preferably, an annular overflowing channel is formed between the housing and the electrical box body, and an air inlet channel is arranged on a plate body corresponding to the annular overflowing channel.
Preferably, the outer surface of the electrical box body is provided with heat dissipation ribs, and a preset included angle is formed between the extending direction of the heat dissipation ribs and the flowing direction of the airflow.
According to another aspect of the present application, there is provided an outdoor unit, including an electrical box heat dissipation structure, the electrical box heat dissipation structure being the electrical box heat dissipation structure described above.
Preferably, the outdoor unit further includes a casing including a plate body, and the heat dissipation structure of the electrical box is disposed in the casing.
Preferably, when the heat radiation structure of the electrical box comprises the housing, the first supporting beam, the second supporting beam and the third supporting beam are arranged in the casing, the electrical box body is arranged on the first supporting beam and the second supporting beam, and the housing is arranged on the first supporting beam and the third supporting beam.
According to another aspect of the present application, an air conditioner is provided, which includes an electrical box heat dissipation structure, where the electrical box heat dissipation structure is the electrical box heat dissipation structure described above.
The application provides an electrical apparatus box heat radiation structure, including electrical apparatus box body and the plate body that is located electrical apparatus box body place side, the plate body interval sets up between electrical apparatus box body and air conditioner exterior space, be provided with the inlet channel with air conditioner exterior space intercommunication on the plate body, along the air current flow direction, electrical apparatus box body has upstream side and downstream side, inlet channel sets up the upstream side at electrical apparatus box body, outside air flows through electrical apparatus box body surface and reachs electrical apparatus box body's downstream side from inlet channel. This electrical apparatus box heat radiation structure is through introducing the lower air of temperature in the air conditioner outside, make the lower air of temperature can flow through electrical apparatus box body surface along with the inside air current of air conditioner, carry out the heat transfer with the high-temperature gas in the electrical apparatus box body, take away the produced heat of electrical apparatus box, because the electrical apparatus box carries out the heat transfer through the air and the electrical apparatus box that introduce the outside lower temperature of air conditioner, but directly utilize the inside higher temperature air of air conditioner and carry out the heat transfer with the electrical apparatus box, consequently, can utilize outside temperature lower temperature air to increase the interior external environment temperature difference of electrical apparatus box, improve the heat transfer effect of electrical apparatus box.
Drawings
Fig. 1 is a schematic view of an installation structure of a heat dissipation structure of an electrical box according to an embodiment of the present application;
fig. 2 is an analysis diagram of the air pressure inside and outside the air conditioner of the heat dissipation structure of the electrical box according to the embodiment of the present application;
fig. 3 is an analytic graph of the internal temperature of the air conditioner of the heat dissipation structure of the electrical box in the embodiment of the present application;
fig. 4 is an analytic graph of the internal temperature of the electrical box body and the internal temperature of the housing of the electrical box heat dissipation structure according to the embodiment of the present application;
fig. 5 is a perspective view of an electrical box of the heat dissipation structure of the electrical box according to the embodiment of the present application;
fig. 6 is a perspective view of a housing of the heat dissipation structure of the electrical box according to the embodiment of the present application;
fig. 7 is a structural diagram of a plate body of the heat dissipation structure of the electrical box according to the embodiment of the present application.
The reference numerals are represented as:
1. an electrical box body; 2. a plate body; 3. an air inlet channel; 4. a housing; 5. an overflow channel; 6. an air outlet channel; 7. an air outlet side plate; 8. a downstream side plate; 9. water passing holes; 10. a refrigerant heat dissipation pipeline; 11. a first support beam; 12. a second support beam; 13. a third support beam; 14. a casing.
Detailed Description
The direction of the arrows in the figure is the direction of air flow.
Referring to fig. 1 to 7 in combination, according to an embodiment of the present application, the heat dissipation structure of the electrical box includes an electrical box body 1 and a plate body 2 located at a side of the electrical box body 1, the plate body 2 is disposed between the electrical box body 1 and an external space of an air conditioner, an air inlet channel 3 communicated with the external space of the air conditioner is disposed on the plate body 2, the electrical box body 1 has an upstream side and a downstream side along an airflow flowing direction, and external air flows through an outer surface of the electrical box body 1 from the air inlet channel 3 along a direction from the upstream side to the downstream side. Preferably, the air intake duct 3 is provided at an upstream side of the electrical box body 1, and the external air flows from the upstream side of the electrical box body 1 to a downstream side of the electrical box body 1 through an outer surface.
This electrical apparatus box heat radiation structure is through introducing the lower air of temperature in the air conditioner outside for the lower air of temperature can be along with the inside air current flow of air conditioner flow through electrical apparatus box body 1's surface, carries out the heat transfer with the high-temperature gas in the electrical apparatus box body 1, takes away the produced heat of electrical apparatus box. Because the electrical box exchanges heat with the electrical box by introducing air with lower temperature outside the air conditioner, rather than directly exchanging heat with the electrical box by utilizing air with higher temperature inside the air conditioner, the air with lower temperature outside the air conditioner can be utilized to form isolation between the air with higher temperature inside the air conditioner and the electrical box, the influence of the air with higher temperature inside the air conditioner on the electrical box is reduced, the temperature difference of the environment inside and outside the electrical box is increased by the air with lower temperature outside the air conditioner, and the heat exchange effect of the electrical box is improved.
Because the air conditioner outside can continuously provide the air of lower temperature for the electrical apparatus box, consequently can continuously utilize the air conditioner outside air to dispel the heat to the electrical apparatus box, realize the long-term effective heat dissipation of electrical apparatus box.
In order to guarantee that the external air of the air conditioner can effectively flow through the outer surface of the electrical appliance box body 1 and exchange heat with the electrical appliance box, the air inlet channel can be designed, so that the air inlet channel forms an air inlet angle inclined to the electrical appliance box body 1, and the external air can flow along the outer surface of the electrical appliance box body 1 after entering the inside of the air conditioner and exchange heat sufficiently with the electrical appliance box.
Preferably, the heat dissipation structure of the electrical box further comprises a cover 4, the cover 4 covers the electrical box body 1 and separates the electrical box body 1 from the space inside the air conditioner, an overflow channel 5 is formed between the cover 4 and the electrical box body 1, and the air inlet channel 3 is communicated to the overflow channel 5. In this embodiment, housing 4 has newly been increased, and keep apart electrical apparatus box body 1 and other spaces inside the air conditioner through housing 4, thereby can separate electrical apparatus box and the inside high temperature environment of air conditioning unit, make the lower air of external temperature only flow through and flow through passageway 5 and carry out the heat transfer with electrical apparatus box, effectively avoid the lower air of external temperature to receive the influence of the inside high temperature air of air conditioner, further reduce the temperature difference between the lower air of external temperature and the inside air of electrical apparatus box, make the lower air of temperature of introducing from the outside can carry out more abundant heat transfer with electrical apparatus box inside air, realize better radiating effect.
Through establishing housing 4 at 1 dustcoat of electrical apparatus box body in this application, can also utilize housing 4 to improve waterproof, protection against insects and the dustproof performance of electrical apparatus box.
Preferably, in order to more effectively reduce the influence of the air with higher temperature inside the air conditioner on the air with lower temperature outside, a sealed overflow channel 5 can be formed between the cover 4 and the electrical appliance box body 1, the overflow channel 5 can only be communicated with the external space of the air conditioner through the air inlet channel 3 and can only be communicated with the internal space of the air conditioner through the air outlet channel 6, the heat exchange with the air with higher temperature inside the air conditioner can not be carried out in the whole flowing process of the air with lower temperature outside, and only the heat exchange with the electrical appliance box can be carried out, so that the heat exchange efficiency and the heat.
Preferably, in order to further insulate the air conditioner from the influence of the air with higher temperature inside the air conditioner on the air with lower temperature outside, the casing 4 may be made of a heat insulating material.
Be provided with on housing 4 with the air-out passageway 6 that overflows 5 intercommunications, air-out passageway 6 sets up in one side that inlet air passageway 3 was kept away from to housing 4, can make the lower air of external temperature more fully flow through the surface of electrical apparatus box body 1, carries out more abundant heat transfer with the electrical apparatus box.
The air flow pressure inside and outside the air conditioner is distributed as shown in fig. 2, under the flowing action of the air flow, the air flow pressure at the upper part inside the air conditioner is lower, and the air flow pressure outside the air conditioner is higher, so that under the action of the air flow pressure, air with lower temperature outside the air conditioner enters the overflowing channel 5 through the air inlet channel 3 and flows out from the air outlet channel 6 located in the low-pressure area inside the air conditioner along the overflowing channel 5 to perform effective heat exchange with the electrical box.
In the embodiment, the overflowing channel 5 is formed in the housing 4, the air inlet channel 3 on the panel is communicated with the overflowing channel 5, and the air with lower temperature outside the air conditioner is directly used for radiating heat of the electric appliance box. Since the air inside the air conditioner flows from bottom to top, a low pressure area is formed at the top of the housing 4, and the high and low pressure areas are directly communicated through the air inlet channel 3 and the air outlet channel 6 to form the overflowing channel 5.
The distribution of the ambient temperature inside the air conditioner is shown in fig. 3, and the temperature inside the air conditioner is higher as the air conditioner passes through the heat exchanger, and if the air conditioner is in a state without the casing 4, the ambient temperature outside the electric appliance box becomes uneven, so that the states of low temperature at the bottom and high temperature at the top are formed, and the heat dissipation of the electric appliance box is not facilitated. This application utilizes housing 4 to let the temperature difference reduce about the ambient temperature outside the electrical apparatus box, is favorable to the heat dissipation of electrical apparatus box.
In this embodiment, the air outlet channel 6 is disposed on the air outlet side plate 7 of the housing 4 far away from the air inlet channel 3, and the air outlet side plate 7 is disposed opposite to the downstream side plate 8 of the electrical box body 1. Therefore, air with lower external temperature enters the overflowing channel 5 from the upstream side plate of the electric appliance box body 1 and then flows to the downstream side plate 8 of the electric appliance box body 1 along the overflowing channel 5, so that more sufficient heat exchange can be carried out on the electric appliance box, and the heat dissipation dead angle is avoided.
Preferably, the air outlet side plate 7 is obliquely arranged relative to the downstream side plate 8, so that the air outlet channel 6 on the air outlet side plate 7 can be obliquely arranged towards the air outlet direction of the air conditioner, the flowing of air flow is facilitated, the flowing efficiency of the air flow is improved, and the heat exchange efficiency is improved.
In the present embodiment, the cross-sectional area of the transfer channel 5 decreases in the direction of flow of the gas stream. The structure can ensure that the lower air flow speed of the upstream side temperature is lower, more sufficient heat exchange can be carried out with the electrical box, the flow speed of hot air which is subjected to heat exchange between the downstream side and the electrical box can be increased, the heat exchange speed of the electrical box on the downstream side is increased, the temperature distribution is more reasonable, the air flow speed distribution is more reasonable, and the heat exchange efficiency is higher.
The bottom of the housing 4 is provided with the water holes 9, so that condensed water can be discharged in time, and the phenomenon of condensed water aggregation at the bottom of the housing 4 is avoided.
The electrical box body 1 is also provided with a refrigerant heat dissipation pipeline 10. Through set up refrigerant heat dissipation pipeline 10 in electrical apparatus box body 1, can utilize the refrigerant to dispel the heat to electrical apparatus box for electrical apparatus box's heat dissipation is more high-efficient, guarantees that the inside components and parts of electrical apparatus box can effectively dispel the heat.
In this embodiment, an annular flow passage 5 is formed between the housing 4 and the electrical box body 1, and an air inlet passage 3 is arranged on the plate body 2 corresponding to the annular flow passage 5. Air inlet channel 3 can set up a plurality of air inlet channel 3 along circumference on annular plate body 2 that 5 correspond of overflowing the passageway annular to can guarantee that the lower air of external temperature can fully enter into and overflow passageway 5 in, carry out more effective and abundant heat dissipation to the electrical apparatus box, can also further reduce simultaneously and overflow the temperature difference between passageway 5 and the electrical apparatus box inside, improve the radiating effect.
The outer surface of the electrical box body 1 is provided with heat dissipation ribs, and a preset included angle is formed between the extending direction of the heat dissipation ribs and the flowing direction of the airflow. Preferably, the heat dissipation ribs are perpendicular to the airflow flowing direction, and can play a certain flow blocking effect on the airflow in the airflow flowing process, so that the airflow is prevented from flowing due to the heat dissipation ribs in the airflow flowing process, and the heat exchange can be carried out on the airflow and the electrical box more fully. In addition, the heat dissipation rib can also increase the surface of electrical apparatus box body 1, increase heat transfer area to further improve heat exchange efficiency.
According to an embodiment of the present application, the outdoor unit includes an electrical box heat dissipation structure, and the electrical box heat dissipation structure is the electrical box heat dissipation structure described above.
Preferably, the outdoor unit further includes a casing 14, the casing 14 includes a plate body 2, and the heat dissipation structure of the electrical box is disposed in the casing 14. The plate body 2 may be a front panel or a side panel, specifically, depending on the installation opening direction of the housing 4.
In this embodiment, when the heat dissipation structure of the electrical box includes the casing 4, the first supporting beam 11, the second supporting beam 12 and the third supporting beam 13 are disposed in the housing 14, the electrical box body 1 is mounted on the first supporting beam 11 and the second supporting beam 12, and the casing 4 is mounted on the first supporting beam 11 and the third supporting beam 13.
When the electric appliance box is installed, the housing 4 is firstly installed on the first supporting beam 11 and the third supporting beam 13 and is fixed by bolts, then the second supporting beam 12 is fixedly installed, the electric appliance box is installed on the first supporting beam and the second supporting beam 12, and finally the front panel is installed.
In this embodiment, first supporting beam 11, second supporting beam 12 and third supporting beam 13 are the crossbeam, and three supporting beam is parallel to each other, and sets up along the direction interval from top to bottom to form the installation fixed frame of housing 4 and electrical apparatus box, conveniently realize the fixed mounting of housing 4 and electrical apparatus box.
According to the embodiment of the application, the air conditioner comprises an electric appliance box heat dissipation structure, and the electric appliance box heat dissipation structure is the electric appliance box heat dissipation structure.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (15)
1. The utility model provides an electrical apparatus box heat radiation structure, its characterized in that includes electrical apparatus box body (1) and is located plate body (2) of electrical apparatus box body (1) place side, plate body (2) set up between electrical apparatus box body (1) and the air conditioner exterior space, be provided with on plate body (2) inlet channel (3) with the air conditioner exterior space intercommunication, along the air current flow direction, electrical apparatus box body (1) has upstream side and downstream side, along the direction from upstream side to downstream side, and outside air follows inlet channel (3) flow through electrical apparatus box body (1) surface.
2. The heat dissipation structure of an electrical box as claimed in claim 1, further comprising a cover (4), wherein the cover (4) covers the electrical box body (1) and separates the electrical box body (1) from the air conditioner internal space, an over-current channel (5) is formed between the cover (4) and the electrical box body (1), and the air inlet channel (3) is communicated to the over-current channel (5).
3. The heat dissipation structure of an electrical box as claimed in claim 2, wherein the casing (4) is provided with an air outlet channel (6) communicated with the over-current channel (5), and the air outlet channel (6) is arranged on one side of the casing (4) far away from the air inlet channel (3).
4. The heat dissipation structure of an electrical box according to claim 3, wherein the air outlet channel (6) is disposed on an air outlet side plate (7) of the housing (4) far away from the air inlet channel (3), and the air outlet side plate (7) is disposed opposite to a downstream side plate (8) of the electrical box body (1).
5. The heat dissipating structure of the electrical box according to claim 4, wherein the air outlet side plate (7) is disposed obliquely with respect to the downstream side plate (8).
6. The electrical box heat dissipation structure according to any of claims 2 to 5, characterized in that the cross-sectional area of the flow passage (5) decreases along the airflow flow direction.
7. The electrical box heat dissipation structure according to any one of claims 2 to 5, wherein the bottom of the casing (4) is provided with a water through hole (9).
8. The heat dissipation structure of the electrical box as claimed in any one of claims 1 to 5, wherein a coolant heat dissipation pipeline (10) is further disposed in the electrical box body (1).
9. The electrical box heat dissipation structure according to any one of claims 1 to 5, wherein the air intake channel (3) is provided at an upstream side of the electrical box body (1), and external air flows from the upstream side of the electrical box body (1) to a downstream side of the electrical box body (1) through an outer surface.
10. The electrical box heat dissipation structure of any one of claims 2 to 5, wherein an annular overflow channel (5) is formed between the cover (4) and the electrical box body (1), and the air inlet channel (3) is arranged on the plate body (2) corresponding to the annular overflow channel (5).
11. The electrical box heat dissipation structure of any one of claims 1 to 5, wherein the outer surface of the electrical box body (1) is provided with heat dissipation ribs, and the extension direction of the heat dissipation ribs and the airflow flowing direction form a preset included angle.
12. An outdoor unit comprising an electric box heat dissipation structure, wherein the electric box heat dissipation structure is as claimed in any one of claims 1 to 11.
13. The outdoor unit of claim 12, further comprising a casing (14), wherein the casing (14) comprises the plate body (2), and the heat dissipation structure of the appliance box is disposed in the casing (14).
14. The outdoor unit of claim 13, wherein when the heat-radiating structure of the electric box includes a casing (4), a first supporting beam (11), a second supporting beam (12) and a third supporting beam (13) are provided in the casing (14), the electric box body (1) is installed on the first supporting beam (11) and the second supporting beam (12), and the casing (4) is installed on the first supporting beam (11) and the third supporting beam (13).
15. An air conditioner, comprising an electrical box heat dissipation structure, characterized in that the electrical box heat dissipation structure is the electrical box heat dissipation structure of any one of claims 1 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920840533.9U CN210373823U (en) | 2019-06-04 | 2019-06-04 | Electrical apparatus box heat radiation structure, off-premises station and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920840533.9U CN210373823U (en) | 2019-06-04 | 2019-06-04 | Electrical apparatus box heat radiation structure, off-premises station and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN210373823U true CN210373823U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920840533.9U Active CN210373823U (en) | 2019-06-04 | 2019-06-04 | Electrical apparatus box heat radiation structure, off-premises station and air conditioner |
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| CN (1) | CN210373823U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173770A (en) * | 2019-06-04 | 2019-08-27 | 珠海格力电器股份有限公司 | Electrical apparatus box heat radiation structure, off-premises station and air conditioner |
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2019
- 2019-06-04 CN CN201920840533.9U patent/CN210373823U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110173770A (en) * | 2019-06-04 | 2019-08-27 | 珠海格力电器股份有限公司 | Electrical apparatus box heat radiation structure, off-premises station and air conditioner |
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