CN218449104U - Air cooling screen cabinet for heat dissipation of multiple heat sources - Google Patents
Air cooling screen cabinet for heat dissipation of multiple heat sources Download PDFInfo
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- CN218449104U CN218449104U CN202222490777.3U CN202222490777U CN218449104U CN 218449104 U CN218449104 U CN 218449104U CN 202222490777 U CN202222490777 U CN 202222490777U CN 218449104 U CN218449104 U CN 218449104U
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Abstract
The utility model relates to a be used for radiating forced air cooling screen cabinet of many heat sources, including the screen cabinet body, cavity and rear chamber before its inside is separated into through the insulation board, be provided with the part I that generates heat that is upper and lower interval arrangement in the front chamber, be provided with the part II that generates heat that is upper and lower interval arrangement in the rear chamber, be provided with the air intake on the qianmen of the screen cabinet body, seted up the ventilation hole on the insulation board, install centrifugal fan on the back door of the screen cabinet body. The utility model discloses at the inside heat dissipation route that forms the through-type of the cabinet body of screen cabinet, can reduce the windage loss, improve the radiating effect, guarantee the balanced heat dissipation of a plurality of heat sources.
Description
Technical Field
The utility model belongs to the technical field of the screen cabinet heat dissipation, concretely relates to be used for radiating air-cooled screen cabinet of many heat sources.
Background
With the rapid development of national economy, the consumption of electric power energy in industrial production is continuously increased, so that the capacity of an electric power system is continuously increased, the requirement on power density is higher and higher, and the space in a screen cabinet is more and more compact. However, the power device can generate a large amount of heat in the operation process, and the compact space influences the heat dissipation function, so that the temperature rise in the screen cabinet is high, and the working performance and the service life of the power electronic equipment are seriously restricted.
Traditional air-cooled heat dissipation is limited by the screen cabinet size, and the part that calorific capacity is big easily influences other parts that generate heat promptly, makes the interior temperature rise of screen cabinet too high, and the radiating effect is poor, then correspondingly needs the device of the balanced wind pressure of increase in the screen cabinet, leads to the assembly complicacy, makes screen cabinet size greatly increased.
In addition, the positions of heating components in the traditional screen cabinet are unreasonable, and the heating components and the heat dissipation air duct interfere with each other, so that the heat dissipation effect is directly influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a be used for radiating forced air cooling screen cabinet of many heat sources to solve the poor problem of radiating effect in the screen cabinet.
The utility model discloses a be used for radiating air-cooled screen cabinet of many heat sources is realized like this:
the utility model provides a be used for radiating forced air cooling screen cabinet of many heat sources, includes the screen cabinet body, and it is inside to separate into preceding cavity and back cavity through the insulation board, be provided with the part I that generates heat that is interval arrangement from top to bottom in the preceding cavity, be provided with the part II that generates heat that is interval arrangement from top to bottom in the back cavity, be provided with the air intake on the qianmen of the screen cabinet body, the ventilation hole has been seted up on the insulation board, install centrifugal fan on the back door of the screen cabinet body.
Furthermore, a sealing plate located in the cabinet body of the screen cabinet is arranged at the top of the rear cavity.
Furthermore, a finned radiator is arranged at the bottom of the heating component I.
Further, the ventilation holes are arranged opposite to the finned radiator.
Further, the heat dissipation air duct of the finned radiator is consistent with the air flow path in the front cavity.
Furthermore, the finned radiator and the heating component II are arranged in a staggered mode on the horizontal plane.
Further, an air outlet of the centrifugal fan is horizontally arranged.
Furthermore, the insulation board is fixed in the cabinet body of the screen cabinet through the upright post.
After the technical scheme is adopted, the utility model discloses the beneficial effect who has does:
the utility model discloses a centrifugal fan's effect makes back cavity and preceding cavity form the negative pressure state in proper order to combine arranging of the part that generates heat, thereby form the heat dissipation route of through type in the inside of screen cabinet, reduce the windage loss, improve the radiating efficiency, guarantee the balanced heat dissipation of a plurality of heat sources, improve the radiating homogeneity of the part that generates heat, avoid hot short circuit phenomenon effectively, solve the problem that many heat sources heat dissipation in the little space interfered.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a front view of an air-cooled cabinet for heat dissipation of multiple heat sources according to a preferred embodiment of the present invention;
fig. 2 is a side sectional view of an air-cooled cabinet for heat dissipation from multiple heat sources (arrows indicate air flow direction) according to a preferred embodiment of the present invention;
fig. 3 is a top sectional view of the air-cooled screen cabinet for heat dissipation of multiple heat sources according to the preferred embodiment of the present invention;
in the figure: the cabinet comprises a cabinet body 1, an insulating plate 2, a front cavity 3, a rear cavity 4, a heating component I5, a heating component II 6, an air inlet 7, a front door 8, a centrifugal fan 9, a sealing plate 10, a finned radiator 11 and a stand column 12.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-3, an air-cooled screen cabinet for heat dissipation of multiple heat sources comprises a screen cabinet body 1, the interior of the screen cabinet body is divided into a front cavity 3 and a rear cavity 4 by an insulating plate 2, a heating component i 5 arranged at an upper interval and a lower interval is arranged in the front cavity 3, a heating component ii 6 arranged at an upper interval and a lower interval is arranged in the rear cavity 4, an air inlet 7 is arranged on a front door 8 of the screen cabinet body 1, a vent hole is formed in the insulating plate 2, and a centrifugal fan 9 is installed on a rear door of the screen cabinet body 1.
In order to facilitate the back cavity 4 to form a negative pressure state, a sealing plate 10 located in the cabinet body 1 is arranged at the top of the back cavity 4.
The sealing plate 10 can ensure the sealing performance of the rear cavity 4, air in the rear cavity 4 and the front cavity 3 is sucked out through the centrifugal fan 9, and heat dissipation cold air is sucked from the air inlet 7 by utilizing air pressure difference to form a straight-through type heat dissipation cold air path, namely, air is fed into the front door 8 of the screen cabinet and is discharged from the rear door, so that hot air can be effectively prevented from directly entering the air inlet 7 of the front door 8.
In order to improve the heat dissipation effect of the heat generating component, a finned heat sink 11 is mounted on the bottom of the heat generating component i 5.
To form a through-type heat dissipation path, a vent hole is provided opposite to the finned heat sink 11.
In order to reduce wind resistance and ensure the smoothness of a heat dissipation path, a heat dissipation air duct of the finned radiator 11 is consistent with an air flow path in the front cavity 3.
Specifically, after the heat dissipation cold air enters the front cavity 3 from the air inlet 7, the heat dissipation cold air passes through the finned radiator 11 at the bottom of the heating component I5 and then enters the rear cavity 4 from the air vent on the insulating plate 2, so that the heat dissipation air channel of the finned radiator 11 is consistent with the path of air flowing in the process, the resistance of the heat dissipation cold air during flowing can be effectively reduced, the heat dissipation effect is ensured, and the heat dissipation efficiency is improved.
The heat dissipation cold air entering the rear cavity 4 from the front cavity 3 through the ventilation hole is finally discharged from the centrifugal fan 9 on the rear door, and in order to prevent the heat generating component II 6 from blocking the flow of the heat dissipation cold air in the process and ensure the smoothness of a heat dissipation path, the finned radiator 11 and the heat generating component II 6 are arranged in a staggered manner on the horizontal plane.
The heat dissipation cold air passing through the finned radiator 11 enters the rear cavity 4 through the air vent, then flows through the top and the bottom of the heating component II 6, takes away the heat generated by the heating component II 6, is discharged by the centrifugal fan 9, reduces the wind resistance loss and improves the heat dissipation effect.
The centrifugal fan 9 is used for pumping air out of the rear cavity 4 to enable the interior of the rear cavity to form a negative pressure state so as to facilitate the subsequent suction of heat dissipation cold air, and an air outlet of the centrifugal fan 9 is horizontally arranged.
The air outlet level of centrifugal fan sets up towards the back, can improve the effect of airing exhaust, avoids causing it to block, guarantees the radiating efficiency.
In order to fix the insulating plate 2, the insulating plate 2 is fixed in the cabinet body 1 through the upright post 12.
The part I5 that generates heat is the relatively great part of heat dissipation capacity like the functional module, and the part II 6 that generates heat is for the relatively less part of calorific capacity like the reactor, the part I5 that generates heat is different according to the heat sensitivity with the part II 6 that generates heat, has adopted the balanced heat dissipation overall arrangement of many heat sources subregion, is about to two kinds of parts that generate heat and arranges two solitary cavities in respectively, and the interval sets up about adopting, can realize effectively that the independent heat dissipation of two kinds of parts that generate heat is cooled down, avoid the mutual interference between the different parts that generate heat, guarantee the radiating effect, improve the radiating efficiency.
When heat is dissipated from a heating component in the cabinet, the centrifugal fan 9 works, the centrifugal fan 9 draws air in the rear cavity 4 to enable the air to form a negative pressure state relative to the front cavity 3, the air in the front cavity 3 enters the rear cavity 4 through the vent holes in the insulating plate 2, the front cavity 3 forms a negative pressure state relative to the outside of the cabinet at the moment, cooling air outside the cabinet is sucked into the front cavity 3 through the air inlet 7 in the front door 8 and then flows through the finned radiator 11 to cool the heating component I5 and then enters the rear cavity 4 through the vent holes, the cooling air entering the rear cavity 4 flows through the bottom of the heating component II 6 to cool the heating component II 6, and finally is discharged to the outside of the cabinet through the centrifugal fan 9 to form a complete straight-through heat dissipation path.
The utility model discloses a through's heat dissipation route has reduced the windage loss effectively, realizes the balanced heat dissipation of many heat sources distribution, improves the radiating homogeneity of the part that generates heat, guarantees the radiating effect, can avoid hot short circuit phenomenon effectively, has improved the radiating efficiency, has solved the problem of many heat sources heat dissipation interference in the little space.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a be used for radiating forced air cooling screen cabinet of many heat sources, its characterized in that, including the screen cabinet body (1), cavity (3) and back cavity (4) before its inside is separated into through insulation board (2), be provided with in preceding cavity (3) and be the I (5) that generate heat of interval arrangement from top to bottom, be provided with in back cavity (4) and be the II (6) that generate heat of interval arrangement from top to bottom, be provided with the air intake on the qianmen of the screen cabinet body (1), the ventilation hole has been seted up on insulation board (2), install centrifugal fan (9) on the back door of the screen cabinet body (1).
2. The air-cooled cabinet for heat dissipation from multiple heat sources according to claim 1, wherein a sealing plate (10) located inside the cabinet body (1) is disposed on the top of the rear cavity (4).
3. The air-cooled cubicle for dissipating heat from multiple heat sources as claimed in claim 1, wherein the bottom of said heat generating component i (5) is mounted with a finned heat sink (11).
4. The cabinet according to claim 3, wherein the ventilation holes are disposed opposite to the finned heat sink (11).
5. The cabinet according to claim 3, wherein the air duct of the finned heat sink (11) is aligned with the air flow path in the front cavity (3).
6. The cabinet according to claim 3, wherein the finned heat sink (11) and the heat generating component II (6) are arranged in a staggered manner in the horizontal plane.
7. The air-cooled cabinet for heat dissipation of multiple heat sources as defined in claim 1, wherein the air outlet of the centrifugal fan (9) is horizontally arranged.
8. The air-cooled cabinet for heat dissipation from multiple heat sources according to claim 1, wherein the insulating plate (2) is fixed inside the cabinet body (1) by means of a column (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222490777.3U CN218449104U (en) | 2022-09-20 | 2022-09-20 | Air cooling screen cabinet for heat dissipation of multiple heat sources |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222490777.3U CN218449104U (en) | 2022-09-20 | 2022-09-20 | Air cooling screen cabinet for heat dissipation of multiple heat sources |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218449104U true CN218449104U (en) | 2023-02-03 |
Family
ID=85081649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222490777.3U Active CN218449104U (en) | 2022-09-20 | 2022-09-20 | Air cooling screen cabinet for heat dissipation of multiple heat sources |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218449104U (en) |
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2022
- 2022-09-20 CN CN202222490777.3U patent/CN218449104U/en active Active
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