CN212320018U - Electric control box and air conditioner with same - Google Patents
Electric control box and air conditioner with same Download PDFInfo
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- CN212320018U CN212320018U CN202020306515.5U CN202020306515U CN212320018U CN 212320018 U CN212320018 U CN 212320018U CN 202020306515 U CN202020306515 U CN 202020306515U CN 212320018 U CN212320018 U CN 212320018U
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- dissipation plate
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Abstract
The utility model discloses an automatically controlled box to an air conditioner that has this automatically controlled box is disclosed. The electric control box comprises a circuit board, a heating component and a heat dissipation assembly. The heating element is arranged at the lower end of the circuit board in an inverted mode. The heat dissipation assembly comprises a first heat dissipation plate, a refrigerant pipe arranged on the first heat dissipation plate and a second heat dissipation plate connected with the first heat dissipation plate. The circuit board is arranged above the second heat dissipation plate in an overhead mode, and the heating element can be in contact with the upper end of the second heat dissipation plate. An extra thermal resistance can be generated between the first heat dissipation plate and the second heat dissipation plate, so that condensed water is preferentially generated by the first heat dissipation plate, and the probability of damaging heating components can be reduced due to the fact that the condensed water generated by the second heat dissipation plate is reduced; meanwhile, the circuit board is arranged in an overhead mode, and the phenomenon that the circuit board is damaged due to the fact that condensed water generated on the second heat dissipation plate is in contact with the circuit board can be avoided. The air conditioner adopting the electric control box can enhance the safety and reliability performance and improve the product quality.
Description
Technical Field
The utility model relates to an air conditioner technical field, in particular to automatically controlled box and air conditioner that has it.
Background
Due to the development of the air conditioner frequency conversion technology and the wide application of the high-power integrated chip, more and more attention is paid to the heat dissipation of the electric control box of the air conditioner. The electronic control box of the air conditioner generally comprises a circuit board and heating components mounted on the circuit board, and the heat dissipation assembly cools the heating components by using a throttled refrigerant in a low-temperature state. In the prior art, the refrigerant pipe is tightly fixed on a heat dissipation plate, and the heat dissipation plate is simultaneously contacted with the heating element. When the temperature of the refrigerant in the refrigerant pipe is lower than the dew point temperature of air, water vapor is condensed on the heat dissipation plate into water drops which can be in contact with heating components or a circuit board to damage the electric control.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an automatically controlled box can reduce the comdenstion water and damage automatically controlled probability.
The utility model also provides an air conditioner with above-mentioned automatically controlled box, can strengthen safe and reliable performance, improve product quality.
According to the utility model discloses an automatically controlled box of first aspect embodiment, include: a circuit board; the heating element is inversely arranged at the lower end of the circuit board; the heat dissipation assembly comprises a first heat dissipation plate, a refrigerant pipe arranged on the first heat dissipation plate and a second heat dissipation plate connected with the first heat dissipation plate, the circuit board is arranged above the second heat dissipation plate in an overhead mode, and the heating element can be in contact with the upper end of the second heat dissipation plate.
According to the utility model discloses automatically controlled box has following beneficial effect at least: by arranging the first heat dissipation plate and the second heat dissipation plate, extra thermal resistance can be generated between the two heat dissipation plates, so that the temperature of the first heat dissipation plate is lower than that of the second heat dissipation plate, condensed water is preferentially generated by the first heat dissipation plate, the condensed water generated by the second heat dissipation plate is reduced, and the probability of damaging heating components is further reduced; meanwhile, the circuit board is arranged above the second heat dissipation plate in an overhead mode, and the phenomenon that the circuit board is damaged due to the fact that condensed water generated on the second heat dissipation plate is in contact with the circuit board can be avoided.
According to some embodiments of the present invention, the heat sink further comprises a support member connected to the circuit board and the second heat sink, the support member being located between the circuit board and the second heat sink. The circuit board is overhead by arranging the supporting piece, and the structure is simple and convenient to install.
According to some embodiments of the present invention, the supporting member is a cylindrical structure, and the supporting member is connected to the circuit board and the second heat dissipation plate by fastening screws. The column structure enables the supporting force to be concentrated, and the supporting piece, the circuit board and the second heat dissipation plate are connected through the fastening screws, so that the structure is simple and the disassembly is convenient.
According to the utility model discloses a few embodiments, be equipped with on the first heating panel with refrigerant pipe assorted recess, the refrigerant pipe can imbed and fix in the recess. The groove matched with the refrigerant pipe is arranged to fix the refrigerant pipe, so that the contact area between the refrigerant pipe and the first radiating plate can be increased, and heat can be exchanged sufficiently; and secondly, when the refrigerant pipe fails, the refrigerant pipe is convenient to troubleshoot fault points and disassemble and replace.
According to some embodiments of the utility model, the refrigerant pipe is U type structure. The U-shaped structure can increase the contact area between the refrigerant pipe and the first heat dissipation plate, and is beneficial to fully utilizing the installation space and facilitating the full heat exchange with the first heat dissipation plate.
According to some embodiments of the present invention, the first heat dissipating plate and the second heat dissipating plate are connected by a fastening screw. Set up to fastening screw connection can effectively fix first heating panel and second heating panel, and simple structure convenient to detach.
According to some embodiments of the present invention, the second heat dissipation plate is attached to the first heat dissipation plate and the heat generating component is attached to the surface of the heat generating component. The second heating panel, the first heating panel and the heating element are uniformly and fully heat exchanged through plane attachment, and the improvement of the heat dissipation effect is facilitated.
According to some embodiments of the invention, a heat dissipation material layer is provided between the first heat dissipation plate and the second heat dissipation plate. Through setting up the heat exchange efficiency that the heat dissipation material layer can improve between first heating panel and the second heating panel, can improve the local poor heat conduction between the two simultaneously, be favorable to strengthening the radiating effect.
According to some embodiments of the present invention, the first heat dissipation plate and the second heat dissipation plate are aluminum plates. The aluminum plate has good heat-conducting property and electrical insulating property, and can save cost.
According to the utility model discloses an air conditioner of second aspect embodiment, include according to the utility model discloses above-mentioned first aspect embodiment's automatically controlled box.
According to the utility model discloses air conditioner has following beneficial effect at least: by adopting the electric control box, the safety and reliability performance can be enhanced, and the product quality is improved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of an electric control box according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the electrical control pod of FIG. 1;
FIG. 3 is a schematic structural view of the electronic control box of FIG. 1 with the box body removed;
fig. 4 is an exploded view of the electronic control box shown in fig. 3 with the box body removed.
Reference numerals:
the heat dissipation device comprises a circuit board 100, a heat generating component 200, a first heat dissipation plate 300, a second heat dissipation plate 400, a refrigerant pipe 500, a support 600, a box body 700 and a groove 310.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, and a plurality of means and a plurality of blocks are two or more. The first and second descriptions are only for the purpose of distinguishing technical features, and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 4, an embodiment of the first aspect of the present invention provides an electronic control box, which includes a circuit board 100, a heat-generating component 200 and a heat dissipation assembly. The heat generating component 200 is flip-chip mounted on the lower end of the circuit board 100. The heat dissipation assembly includes a first heat dissipation plate 300, a refrigerant pipe 500 installed at a lower end of the first heat dissipation plate 300, and a second heat dissipation plate 400 connected to an upper end of the first heat dissipation plate 300. The second heat dissipating plate 400, the first heat dissipating plate 300, and the refrigerant pipe 500 are sequentially disposed from top to bottom, the circuit board 100 is disposed above the second heat dissipating plate 400 in an overhead manner, and the heat generating component 200 can be in contact with the upper end of the second heat dissipating plate 400. The electronic control box in this embodiment further includes a box body 700, the circuit board 100, the heat generating component 200 and the second heat dissipating plate 400 are all disposed inside the box body 700, an opening (not shown) is disposed at a lower end of the box body 700, the first heat dissipating plate 300 and the refrigerant pipe 500 are disposed at a lower end of the box body 700, and the first heat dissipating plate 300 is connected to the second heat dissipating plate 400 through the opening. By arranging the first heat dissipation plate 300 and the second heat dissipation plate 400, additional thermal resistance can be generated between the two heat dissipation plates, so that the temperature of the first heat dissipation plate 300 is lower than that of the second heat dissipation plate 400, the first heat dissipation plate 300 absorbs heat from air and preferentially generates condensed water, the condensed water generated by the second heat dissipation plate 400 is reduced, the heating element 200 is in contact with the second heat dissipation plate 400, and the probability of damaging the heating element 200 can be reduced by reducing the condensed water generated by the second heat dissipation plate 400; meanwhile, the circuit board 100 is arranged above the second heat dissipation plate 400 in an overhead manner, so that the circuit board 100 can be prevented from being damaged due to the contact of condensed water generated on the second heat dissipation plate 400 and the circuit board 100.
And the heat dissipation assembly comprises a first heat dissipation plate 300, a refrigerant pipe 500 arranged at the lower end of the first heat dissipation plate 300 and a second heat dissipation plate 400 connected with the upper end of the first heat dissipation plate 300, so that the modularization of the heat dissipation assembly is realized, the modularization of electrical parts and the modularization of pipelines are favorably distinguished, the production, division of labor and inspection are facilitated, the overall replacement is also facilitated during after-sale maintenance, and the secondary damage to a machine in the dismounting process is avoided.
In some embodiments of the present invention, the number of the second heat dissipation plate 400 can be set to be multiple blocks, the second heat dissipation plate 400 is disposed corresponding to the positions of the plurality of heat generating components 200, and the second heat dissipation plate 400 is disposed flexibly, so that the material cost can be saved.
It is conceivable that the number of the first heat dissipation plates 300 may be multiple, and at this time, the lower ends of the multiple first heat dissipation plates 300 are all connected to the refrigerant pipe 500, and the upper ends of the multiple first heat dissipation plates are all connected to the second heat dissipation plate 400, so that the heat can be effectively conducted while the condensed water generated on the second heat dissipation plate 400 is reduced, which is not limited herein.
Referring to fig. 2 to 4, in some embodiments of the present invention, the heat sink further includes a supporting member 600 connected to the circuit board 100 and the second heat sink 400, and four supporting members 600 are located between the circuit board 100 and the second heat sink 400 and connected to four corners of the circuit board 100 and the second heat sink 400. The circuit board 100 is elevated by providing the support 600, which is simple in structure and easy to install.
It is conceivable that the number of the supporting members 600 may be specifically set according to an actual installation space and a shape of the circuit board 100, so as to achieve the purpose of suspending the circuit board 100, and is not limited herein.
Referring to fig. 2 to 4, in some embodiments of the present invention, the supporting members 600 are cylindrical, and the four supporting members 600 are connected to the circuit board 100 and the second heat dissipation plate 400 by fastening screws (not shown). The column structure concentrates the supporting force, and the supporting member 600 is connected with the circuit board 100 and the second heat dissipation plate 400 by the fastening screws, so that the structure is simple and the disassembly is convenient.
In some embodiments of the present invention, the supporting member 600 is integrally formed with the circuit board 100 or the second heat dissipation plate 400, or can be connected to the circuit board 100 in a clamping, bonding, or tight-fitting manner, so that the supporting member 600 can be made to have the function of making the circuit board 100 overhead, and the condensed water generated on the circuit board 100 and the second heat dissipation plate 400 is prevented from contacting, which is not limited herein.
Referring to fig. 4, in some embodiments of the present invention, the lower end surface of the first heat dissipation plate 300 is provided with a groove 310 matched with the refrigerant pipe 500, and the refrigerant pipe 500 can be embedded and fixed in the groove 310. The groove 310 matched with the refrigerant pipe 500 is arranged to fix the refrigerant pipe 500, so that the contact area between the refrigerant pipe 500 and the first heat dissipation plate 300 can be increased, and heat can be exchanged sufficiently; secondly, when refrigerant pipe 500 breaks down, it is convenient to troubleshoot the fault point and dismantle and change refrigerant pipe 500.
Referring to fig. 1 and 4, in some embodiments of the present invention, the refrigerant pipe 500 has a U-shaped structure. The contact area between the refrigerant pipe 500 and the first heat dissipation plate 300 can be increased by arranging the U-shaped structure, so that the mounting space can be fully utilized, and heat can be fully exchanged with the first heat dissipation plate 300 conveniently.
It is conceivable that, in the specific implementation process, the refrigerant pipe 500 may adopt a single group of U-shaped pipes or a multiple group of U-shaped pipes, or adopt a single row of pipes or a multiple row of pipes, so as to meet different heat conduction and dissipation requirements.
In some embodiments of the present invention, the first heat sink 300 and the second heat sink 400 are connected by fastening screws. The first heat dissipation plate 300 and the second heat dissipation plate 400 can be effectively fixed through the fastening screw connection, and the structure is simple and convenient to detach.
It is contemplated that the first heat sink 300 and the second heat sink 400 may be connected by bolts, and the first heat sink 300 and the second heat sink 400 may also be effectively fixed and easily disassembled, which is not limited herein.
Referring to fig. 2 to 4, in some embodiments of the present invention, the second heat sink 400 is attached to the first heat sink 300 and the heat generating component 200 in a planar manner. The bonding surface of the planar bonding connection is large, and the thickness of the second heat dissipation plate 400 between the heat generating component 200 and the first heat dissipation plate 300 is uniform. The second heat dissipation plate 400 is uniformly and sufficiently heat exchanged with the first heat dissipation plate 300 and the heating element 200 through plane attachment, and the improvement of the heat dissipation effect is facilitated.
In some embodiments of the present invention, the second heat dissipating plate 400 is attached to the first heat dissipating plate 300 and the heat generating component 200 by a curved surface, and the attaching surface is larger when the curved surface is attached to the heat generating component, so that the heat can be fully exchanged.
In some embodiments of the present invention, a heat dissipation material layer is disposed between the first heat dissipation plate 300 and the second heat dissipation plate 400. The heat exchange efficiency between the first heat dissipation plate 300 and the second heat dissipation plate 400 can be improved by arranging the heat dissipation material layer to replace air with poor heat conduction effect between the gaps of the first heat dissipation plate 300 and the second heat dissipation plate 400, and meanwhile, the poor local heat conduction between the first heat dissipation plate 300 and the second heat dissipation plate 400 is improved, so that the heat dissipation effect is enhanced.
In some embodiments of the present invention, the first heat sink 300 and the second heat sink 400 are both aluminum plates. The aluminum plate has good heat-conducting property and electrical insulating property, and can save cost.
An embodiment of the second aspect of the utility model provides an air conditioner, including any of the above-mentioned the utility model provides an automatically controlled box. By adopting the electric control box, the safety and reliability performance can be enhanced, and the product quality is improved.
In the description herein, references to the description of the terms "some embodiments," "certain embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment is included in at least one embodiment of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. Automatically controlled box, its characterized in that includes:
a circuit board (100);
the heating component (200) is arranged at the lower end of the circuit board (100) in an inverted mode;
the heat dissipation assembly comprises a first heat dissipation plate (300), a refrigerant pipe (500) arranged on the first heat dissipation plate (300) and a second heat dissipation plate (400) connected with the first heat dissipation plate (300), the circuit board (100) is arranged above the second heat dissipation plate (400) in an overhead mode, and the heating element (200) can be in contact with the upper end of the second heat dissipation plate (400).
2. The electrical control box according to claim 1, further comprising a support member (600) connected to the circuit board (100) and the second heat dissipation plate (400), wherein the support member (600) is located between the circuit board (100) and the second heat dissipation plate (400).
3. The electrical control box according to claim 2, wherein the supporting member (600) is a cylindrical structure, and the supporting member (600) is connected with the circuit board (100) and the second heat dissipation plate (400) by fastening screws.
4. The electrical control box according to claim 1, wherein the first heat sink (300) is provided with a groove (310) matching with the refrigerant pipe (500), and the refrigerant pipe (500) can be inserted and fixed in the groove (310).
5. The electrical box according to claim 4, wherein the refrigerant tube (500) is of a U-shaped structure or a tube-in-tube structure.
6. The electrical control box according to claim 1, wherein the first heat dissipating plate (300) and the second heat dissipating plate (400) are fastened by fastening screws.
7. The electrical box according to claim 1, wherein the second heat sink (400) is attached to the first heat sink (300) and the heat generating component (200) in a planar manner.
8. The electrical box according to claim 1, wherein a layer of heat dissipating material is disposed between the first heat dissipating plate (300) and the second heat dissipating plate (400).
9. The electrical box according to claim 1, wherein the first heat dissipation plate (300) and the second heat dissipation plate (400) are both aluminum plates.
10. Air conditioner, characterized in that it comprises an electric control box according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020306515.5U CN212320018U (en) | 2020-03-12 | 2020-03-12 | Electric control box and air conditioner with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020306515.5U CN212320018U (en) | 2020-03-12 | 2020-03-12 | Electric control box and air conditioner with same |
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| Publication Number | Publication Date |
|---|---|
| CN212320018U true CN212320018U (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020306515.5U Active CN212320018U (en) | 2020-03-12 | 2020-03-12 | Electric control box and air conditioner with same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880050A (en) * | 2021-01-21 | 2021-06-01 | 青岛海信日立空调系统有限公司 | Drive plate heat radiation structure and air conditioner |
| CN113865054A (en) * | 2021-10-09 | 2021-12-31 | 广东美的制冷设备有限公司 | Heat dissipation control method and device of air conditioner and air conditioner |
-
2020
- 2020-03-12 CN CN202020306515.5U patent/CN212320018U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112880050A (en) * | 2021-01-21 | 2021-06-01 | 青岛海信日立空调系统有限公司 | Drive plate heat radiation structure and air conditioner |
| CN113865054A (en) * | 2021-10-09 | 2021-12-31 | 广东美的制冷设备有限公司 | Heat dissipation control method and device of air conditioner and air conditioner |
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