CN219012873U

CN219012873U - Electric compressor suction cavity shell convenient for heat dissipation of driving chip

Info

Publication number: CN219012873U
Application number: CN202223451445.0U
Authority: CN
Inventors: 郑洪财; 孙志成; 刘国成; 吴太箭; 张庆峰
Original assignee: Shanghai Aiweilan New Energy Technology Co ltd
Current assignee: Shanghai Aiweilan New Energy Technology Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-05-12
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses an electric compressor suction cavity shell convenient for cooling a driving chip, which belongs to the technical field of electric scroll compressors and comprises a suction cavity and an air inlet for air intake, wherein the air inlet is arranged on the side surface of the suction cavity, one side of the suction cavity is a mounting surface, a plurality of mounting parts for mounting the driving chip are arranged on the mounting surface, the mounting parts are arranged in a C shape, an empty field with one open end is formed in the middle of each mounting part, one side of the suction cavity far away from the mounting surface is a cooling surface, a heat dissipation part for increasing the contact area is arranged on the cooling surface, the heat dissipation part corresponds to the empty field, a guide part for changing the flow direction effect of air is arranged on the outer side of the heat dissipation part, and the guide parts are dispersed on the outer side of the heat dissipation part so as to realize rapid heat dissipation of the electric compressor suction cavity shell.

Description

Electric compressor suction cavity shell convenient for heat dissipation of driving chip

Technical Field

The utility model relates to the technical field of electric scroll compressors, in particular to an air suction cavity shell of an electric compressor, which is convenient for cooling a driving chip.

Background

The scroll compressor is a positive displacement compression compressor, and the compression part consists of a movable scroll and a fixed scroll. Including a number of structural features that enable a split flow pattern of gas through the compressor housing to reduce entrained oil.

In order to facilitate control, the plurality of driving chips of the existing electric scroll compressor are all arranged on the back surface of the air suction cavity of the electric scroll compressor, and as the heat dissipation performance of the driving chips does not completely avoid the temperature cooling condition of the air suction side cylinder body of the compressor, the driving chips can be locally distributed in a high-temperature area, so that the operation boundary of a controller and the working efficiency of the compressor are greatly reduced, and a solution is provided below aiming at the problems.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model aims to provide the air suction cavity shell of the electric compressor, which is convenient for the heat dissipation of the driving chip, and can realize the rapid heat dissipation of the air suction cavity shell of the electric compressor.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a make things convenient for radiating electric compressor chamber shell of breathing in of driver chip, includes the chamber of breathing in and is used for the air inlet that admits air, the air inlet is seted up in the side of chamber of breathing in, one side of chamber of breathing in is the installation face, be provided with a plurality of installation department that are used for installing driver chip on the installation face, the installation department is C shape and arranges, a plurality of installation department middle part forms the open empty field of one end, the chamber of breathing in is the cooling surface of one side of keeping away from the installation face, install the radiating part that plays increase area of contact on the cooling surface, radiating part and empty field are corresponding, the outside of radiating part is provided with the guide part that plays the change flow direction effect to gas, a plurality of guide part disperses in the radiating part outside.

Preferably, the guiding part comprises a plurality of guiding ribs, the guiding ribs are fixed on the cooling surface, and the guiding ribs are in a rotary shape close to the heat dissipation part along the direction of the air inlet.

Preferably, the mounting part comprises a mounting flat plate, the mounting flat plate is fixed on the mounting surface, a heat dissipation silicone grease layer is arranged on one side, away from the mounting surface, of the mounting flat plate, and a mounting screw hole for conveniently mounting the driving chip is formed in the mounting flat plate. .

Preferably, the heat dissipation part comprises a center ring and a supporting rod, the center ring is arranged on the cooling surface, the center ring corresponds to the empty field, the supporting rod is provided with a plurality of supporting rods which are radially arranged on the outer side surface of the center ring, and the supporting rods are respectively fixedly connected with the center ring and the cooling surface.

Preferably, the length of the guide rib facing the air inlet is shorter than that of other guide ribs.

Preferably, the guide rib is arc-shaped.

Compared with the prior art, the utility model has the advantages that:

1. according to the scheme, the installation part which is arranged in the C shape is adopted to form an empty field with one end open, so that gaps among a plurality of driving chips are increased, heat dissipation is facilitated, and heat accumulation in the middle part is avoided;

2. when the air suction cavity works, normal-temperature liquid and mixed oil gas enters the air suction cavity through the inlet, and the temperature difference between the gas and the surrounding environment is used for cooling the driving chip, so that other equipment is not required to cool, and the energy consumption is reduced;

3. the flow direction of the gas entering through the gas inlet is deviated to the center ring by adopting a plurality of guide ribs, and meanwhile, the flow speed is reduced, so that the contact time and the thick contact area of the gas and the center ring are ensured, and the temperature generated by the driving chip is taken away;

4. the mounting plate plays a role in positioning and convenient mounting, and the heat dissipation silicone grease layer can improve heat conductivity, so that heat generated by the driving chip is convenient to transfer as soon as possible, and aggregation is reduced;

5. the contact area of the cooling surface and the gas entering through the gas inlet can be increased through the center ring and the supporting rod, so that the effect of reducing the temperature as soon as possible can be achieved;

6. the shorter guide ribs at the air inlet can change the flow speed and the flow direction of the air flow as soon as possible, and the longer guide ribs correspond to the mounting flat plate, so that the contact area with the air flow can be increased, and the cooling efficiency and the cooling effect are ensured;

7. the arc-shaped guide rib can further increase the contact area.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic front view of a three-dimensional structure of the present utility model;

fig. 3 is a schematic rear view of a three-dimensional structure of the present utility model.

The reference numerals in the figures illustrate:

1. an air suction cavity; 2. an air inlet; 3. a mounting surface; 4. a mounting part; 5. an empty field; 6. a cooling surface; 7. a heat dissipation part; 8. a guide part; 9. a guide rib; 10. mounting a flat plate; 11. a heat dissipating silicone grease layer; 12. installing a screw hole; 13. a center ring; 14. a supporting rod.

Detailed Description

Referring to fig. 1 and fig. 2, an electric compressor suction cavity shell convenient for heat dissipation of a driving chip comprises a suction cavity 1 and an air inlet 2 for air intake, wherein the air inlet 2 is arranged on the side surface of the suction cavity 1, one side of the suction cavity 1 is a mounting surface 3, a plurality of mounting parts 4 for mounting the driving chip are arranged on the mounting surface 3, the mounting parts 4 are arranged in a C shape, an open-end air field 5 is formed in the middle of each of the plurality of mounting parts 4, the C-shaped arranged mounting parts 4 form the open-end air field 5 in the air field, a gap between the plurality of driving chips is increased, heat dissipation is accelerated conveniently, and heat aggregation of middle parts is avoided.

Referring to fig. 2, the mounting portion 4 includes a mounting plate 10, the mounting plate 10 is fixed on the mounting surface 3, a heat dissipation silicone grease layer 11 is disposed on a side of the mounting plate 10 away from the mounting surface 3, a mounting screw hole 12 for conveniently mounting the driving chip is formed in the mounting plate 10, the mounting plate 10 plays roles in positioning and convenient mounting, the heat dissipation silicone grease layer 11 can improve heat conductivity, heat generated by the driving chip is conveniently transferred as soon as possible, and aggregation is reduced.

Referring to fig. 3, a cooling surface 6 is arranged on one side of the air suction cavity 1 far away from the mounting surface 3, a heat dissipation part 7 for increasing the contact area is mounted on the cooling surface 6, the heat dissipation part 7 corresponds to the empty field 5, the heat dissipation part 7 comprises a center ring 13 and support rods 14, the center ring 13 is mounted on the cooling surface 6, the center ring 13 corresponds to the empty field 5, a plurality of support rods 14 are radially arranged on the outer side surface of the center ring 13, the support rods 14 are fixedly connected with the center ring 13 and the cooling surface 6 respectively, the contact area of the cooling surface 6 and gas entering through the air inlet 2 can be increased through the center ring 13 and the support rods 14, and therefore the effect of reducing the temperature as soon as possible can be achieved.

Referring to fig. 3, a guiding portion 8 for changing the flow direction of the air is disposed on the outer side of the heat dissipation portion 7, the guiding portion 8 includes a plurality of guiding ribs 9, the guiding ribs 9 are arc-shaped, the guiding ribs 9 are fixed on the cooling surface 6, the length of the guiding ribs 9 facing the air inlet 2 is shorter than that of the other guiding ribs 9, and the guiding ribs 9 are in a rotating shape along the direction of the air inlet 2 and close to the heat dissipation portion 7.

The flow direction and the flow velocity of the gas entering through the gas inlet 2 are changed by the guide ribs 9, so that the temperature generated by the driving chip is taken away, the flow velocity and the flow direction of the gas flow can be changed as soon as possible by the shorter guide ribs 9 at the gas inlet 2, the contact area between the longer guide ribs 9 and the gas flow can be increased, the cooling efficiency and the cooling effect are ensured, and the contact area of the guide ribs 9 in the arc-shaped design can be further increased.

Working principle:

through changing the arrangement pattern of the mounting flat plate 10, the gap between the driving chips is enlarged, heat dissipation is accelerated, meanwhile, the heat dissipation silicone grease layer 11 between the mounting flat plate 10 and the driving chips can improve heat conductivity, heat transfer between the driving chips and the mounting flat plate 10 is accelerated, the contact area between the cooling surface 6 and gas is increased by the center ring 13 and the supporting rods 14, heat transfer is accelerated, the flow rate of the gas can be reduced by the guide ribs 9, the contact time of the gas and the cooling surface 6 is shortened, and the gas can be blown to the center ring 13 by the guide ribs 9 which are arranged by deflecting the center ring 13, so that heat dissipation is accelerated.

Claims

1. The utility model provides a conveniently drive radiating electric compressor chamber shell of breathing in of chip, includes and breathes in chamber (1) and is used for the air inlet (2) of admitting air, its characterized in that: the air inlet (2) is formed in the side face of the air suction cavity (1), one side of the air suction cavity (1) is a mounting face (3), a plurality of mounting portions (4) for mounting a driving chip are arranged on the mounting face (3), the mounting portions (4) are arranged in a C shape, a plurality of empty fields (5) with one ends open are formed in the middle of the mounting portions (4), one side, away from the mounting face (3), of the air suction cavity (1) is a cooling face (6), a heat dissipation portion (7) for increasing the contact area is arranged on the cooling face (6), the heat dissipation portion (7) corresponds to the empty fields (5), guide portions (8) for changing the flow direction effect of air are arranged on the outer sides of the heat dissipation portion (7), and the guide portions (8) are dispersed on the outer sides of the heat dissipation portion (7).

2. The motor-driven compressor suction cavity housing for facilitating heat dissipation of a driver chip as set forth in claim 1, wherein: the guide part (8) comprises a plurality of guide ribs (9), the guide ribs (9) are fixed on the cooling surface (6), and the guide ribs (9) are in a rotary shape close to the heat dissipation part (7) along the direction of the air inlet (2).

3. The motor-driven compressor suction cavity housing for facilitating heat dissipation of a driver chip as set forth in claim 1, wherein: the mounting part (4) comprises a mounting flat plate (10), the mounting flat plate (10) is fixed on the mounting surface (3), a heat dissipation silicone grease layer (11) is arranged on one side, away from the mounting surface (3), of the mounting flat plate (10), and a mounting screw hole (12) for conveniently mounting a driving chip is formed in the mounting flat plate (10).

4. The motor-driven compressor suction cavity housing for facilitating heat dissipation of a driver chip as set forth in claim 1, wherein: the heat dissipation part (7) comprises a center ring (13) and a supporting rod (14), wherein the center ring (13) is arranged on the cooling surface (6), the center ring (13) corresponds to the empty field (5), the supporting rod (14) is provided with a plurality of supporting rods (14) which are radially arranged on the outer side surface of the center ring (13), and the supporting rod (14) is fixedly connected with the center ring (13) and the cooling surface (6) respectively.

5. The motor-driven compressor suction chamber housing for facilitating heat dissipation of a driver chip as set forth in claim 2, wherein: the length of the guide rib (9) which is opposite to the air inlet (2) is shorter than that of the guide rib (9) which is not opposite to the air inlet (2).

6. The motor-driven compressor suction chamber housing for facilitating heat dissipation of a driver chip as set forth in claim 2, wherein: the guide rib (9) is arc-shaped.