CN217462464U - Dual-cooling electric air compressor - Google Patents
Dual-cooling electric air compressor Download PDFInfo
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- CN217462464U CN217462464U CN202221568536.XU CN202221568536U CN217462464U CN 217462464 U CN217462464 U CN 217462464U CN 202221568536 U CN202221568536 U CN 202221568536U CN 217462464 U CN217462464 U CN 217462464U
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- heat exchanger
- heat dissipation
- air compressor
- cooling unit
- air
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Abstract
The utility model relates to an air compressor specifically discloses a dual refrigerated electric air compressor. The electric air compressor comprises a crankcase, a motor and a machine head, wherein the machine head comprises an air cylinder and a cylinder cover valve plate assembly, and a primary air inlet, a primary air outlet, a secondary air inlet and a secondary air outlet are formed in the cylinder cover valve plate assembly; the cooling assembly comprises a primary cooling unit and a secondary cooling unit; the primary cooling unit comprises a heat exchanger and a fan, and the fan is positioned on one side of the heat exchanger; the secondary cooling unit comprises a radiating piece, and a radiating channel is arranged in the radiating piece; the air inlet of the heat exchanger is communicated with the first-stage air outlet, the air outlet of the heat exchanger is communicated with the air inlet of the heat dissipation channel, and the air outlet of the heat dissipation channel is communicated with the second-stage air inlet. The electric air compressor has the advantage of good cooling effect.
Description
Technical Field
The utility model relates to an air compressor, concretely relates to dual refrigerated electric air compressor.
Background
The electric air compressor is a power source of an automobile brake and is widely applied to various automobiles. The temperature of the air can be increased in the compression process, and the working efficiency of the compressor can be reduced due to the overhigh temperature of the compressed air; the abrasion speed of parts of the electric air compressor can be increased, and the service life of the electric air compressor is greatly shortened; and simultaneously, the service life of other matched pneumatic elements on the air pipeline can be influenced. Therefore, the exhaust temperature of the electric air compressor is a parameter of major concern in each large main engine plant.
Aiming at the problem of overhigh temperature of compressed air, the conventional idea is to reduce the temperature of air in the compression process by adopting a mode of matching multi-stage compression and interstage cooling. However, the existing air compressor in the market mainly adopts a passive cooling mode, the cooling effect is not good, and the exhaust temperature of the compressor is difficult to control effectively.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a dual refrigerated electric air compressor, have the advantage that the cooling effect is good.
In order to solve the technical problem, the utility model provides a technical scheme as follows: a double-cooling electric air compressor comprises a crankcase, a motor and a machine head, wherein the machine head comprises an air cylinder and a cylinder cover valve plate assembly, and a primary air inlet, a primary air outlet, a secondary air inlet and a secondary air outlet are formed in the cylinder cover valve plate assembly;
the cooling assembly comprises a primary cooling unit and a secondary cooling unit; the primary cooling unit comprises a heat exchanger and a fan, and the fan is positioned on one side of the heat exchanger; the secondary cooling unit comprises a heat dissipation piece, and a heat dissipation channel is arranged in the heat dissipation piece;
the air inlet of the heat exchanger is communicated with the first-stage air outlet, the air outlet of the heat exchanger is communicated with the air inlet of the heat dissipation channel, and the air outlet of the heat dissipation channel is communicated with the second-stage air inlet.
The air enters a heat exchanger of a primary cooling unit after primary compression, and external cold air is driven by a fan to carry out active cooling. And then the cooling liquid enters a heat dissipation channel of the secondary cooling unit for secondary cooling. And finally, the air subjected to secondary cooling enters the cylinder from the secondary air inlet to be subjected to secondary compression.
Compare with current air compressor, the electric air compressor of this application can carry out the initiative cooling through the fan drive, and the cooling effect is better. Meanwhile, the secondary cooling unit can increase the retention of the compressed air in the cooling assembly, and further improve the heat dissipation effect.
Preferably, the heat exchanger is provided with radiating fins to enhance the radiating effect.
Preferably, the heat exchanger is positioned on one side of the machine head.
Preferably, the heat radiating member is arranged between the motor and the crankcase, and an output shaft of the motor penetrates through the heat radiating member and is connected with the crankshaft; the first-stage cooling unit is arranged above the heat dissipation piece.
The first-stage cooling unit and the second-stage cooling unit can fully utilize the space among the motor, the crankcase and the machine head, and the electric air compressor has a compact integral structure and can be better adapted to the limited installation space in an automobile.
In addition, direct contact does not exist between one-level cooling unit and the second grade cooling unit and motor and the aircraft nose, can avoid the heat of motor and aircraft nose to transmit to cooling module with heat-conduction form, assurance cooling effect that can be better.
Preferably, the fan is located on one side of the heat exchanger, which is far away from the machine head, and an air outlet of the fan is arranged towards the machine head.
The fan drives the outside cold air to further flow to the machine head after passing through the heat exchanger, and the effect of assisting the machine head in heat dissipation can be achieved.
Preferably, the fan is connected with the heat exchanger.
Preferably, the heat dissipation channel is annularly arranged around the output shaft of the motor or is U-shaped. Longer heat dissipation channels can be arranged in a limited space, and the sufficient residence time of the compressed air in the heat dissipation assembly is ensured.
Preferably, the output shaft of the motor is connected with the crankshaft through a flexible coupling, and the flexible coupling is provided with blades; the heat dissipation piece is provided with an accommodating space, and the flexible coupler and the blades are arranged in the accommodating space.
Drawings
FIG. 1 is a schematic structural view of a double-cooled electric air compressor according to the present embodiment;
FIG. 2 is a top view of the dual cooled electric air compressor of this embodiment;
fig. 3 is a sectional view taken along line a-a in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Examples
As shown in fig. 1 to 3, a double-cooled electric air compressor includes a crankcase 5, an electric motor 1, and a head 2, and the head 2 is disposed on the crankcase 5. The head 2 comprises a cylinder 25 and a cylinder cover valve plate assembly 26, wherein the cylinder cover valve plate assembly 26 is provided with a first-stage air inlet 24, a first-stage air outlet 21, a second-stage air inlet 23 and a second-stage air outlet 22.
As shown in fig. 1-3, further comprises a cooling assembly, which comprises a primary cooling unit 3 and a secondary cooling unit. The primary cooling unit 3 comprises a heat exchanger 31 and a fan 32, the fan 32 is located on one side of the heat exchanger 31 and connected with the heat exchanger 31, and the heat exchanger 31 is provided with radiating fins to enhance the radiating effect. The secondary cooling unit comprises a heat dissipation piece 4, and a heat dissipation channel 41 is arranged in the heat dissipation piece 4.
Specifically, as shown in fig. 1 to 3, the heat sink 4 is disposed between the motor 1 and the crankcase 5. The primary cooling unit 3 is disposed above the heat sink 4. The fan 32 is located on one side of the heat exchanger 31 far away from the machine head 2, and an air outlet of the fan 32 is arranged towards the machine head 2.
The first-stage cooling unit 3 and the second-stage cooling unit can fully utilize the residual space among the motor 1, the crankcase 5 and the machine head 2, and the whole structure of the electric air compressor is compact, so that the electric air compressor can better adapt to the limited installation space in an automobile. In addition, the first-stage cooling unit 3 and the second-stage cooling unit are not in direct contact with the motor 1 and the machine head 2, so that heat of the motor 1 and the machine head 2 can be prevented from being transferred to the cooling assembly in a heat conduction mode, and the cooling effect can be better guaranteed. The fan 32 drives the external cold air to further flow to the machine head 2 after passing through the heat exchanger 31, so that the effect of assisting the heat dissipation of the machine head 2 can be achieved.
As shown in fig. 1 and fig. 3, an air inlet of the heat exchanger 31 is communicated with the primary air outlet 21 through an air transmission pipeline, an air outlet of the heat exchanger 31 is communicated with an air inlet of the heat dissipation channel 41 through an air transmission pipeline, and an air outlet of the heat dissipation channel 41 is communicated with the secondary air inlet 23 through an air transmission pipeline.
The air enters the heat exchanger 31 of the primary cooling unit 3 after being subjected to primary compression, and the external cold air is driven by the fan 32 to be actively cooled. And then enters the heat dissipation channel 41 of the secondary cooling unit for secondary cooling. Finally, the air after the secondary cooling enters the cylinder 25 from the secondary intake port 23 to be compressed in the secondary stage.
Compare with current air compressor, the electric air compressor of this application can carry out the initiative cooling through fan 32 drive, and the cooling effect is better. Meanwhile, the secondary cooling unit can increase the retention of the compressed air in the cooling assembly, and further improve the heat dissipation effect.
Further, as shown in fig. 1 to fig. 3, the output shaft of the motor 1 is connected to the crankshaft through a flexible coupling 61, and the flexible coupling 61 is provided with a blade 62. Correspondingly, the heat dissipation member 4 includes a U-shaped or annular heat dissipation portion, the heat dissipation portion encloses a receiving space, and the flexible coupling 61 and the blades 62 are disposed in the receiving space.
As shown in fig. 1 to 3, the heat dissipation channel 41 is disposed in the heat dissipation portion, and is disposed annularly or in a U shape around the output shaft of the motor 1 in the extending direction of the heat dissipation portion. A long heat dissipation channel 41 can be arranged in a limited space to ensure that the compressed air stays in the heat dissipation assembly for a sufficient time.
In summary, the above description is only a preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (8)
1. A double-cooling electric air compressor comprises a crankcase, a motor and a machine head, wherein the machine head comprises an air cylinder and a cylinder cover valve plate assembly, and a primary air inlet, a primary air outlet, a secondary air inlet and a secondary air outlet are formed in the cylinder cover valve plate assembly;
the method is characterized in that: the cooling assembly comprises a primary cooling unit and a secondary cooling unit; the primary cooling unit comprises a heat exchanger and a fan, and the fan is positioned on one side of the heat exchanger; the secondary cooling unit comprises a heat dissipation piece, and a heat dissipation channel is arranged in the heat dissipation piece;
the air inlet of the heat exchanger is communicated with the first-stage air outlet, the air outlet of the heat exchanger is communicated with the air inlet of the heat dissipation channel, and the air outlet of the heat dissipation channel is communicated with the second-stage air inlet.
2. The electric air compressor of claim 1, wherein: and the heat exchanger is provided with radiating fins.
3. The electric air compressor of claim 1, wherein: the heat exchanger is positioned on one side of the machine head.
4. The electric air compressor of claim 3, wherein: the heat radiating piece is arranged between the motor and the crankcase, and an output shaft of the motor penetrates through the heat radiating piece and is connected with the crankshaft; the first-stage cooling unit is arranged above the heat dissipation piece.
5. The electric air compressor of claim 4, wherein: the fan is located on one side, far away from the machine head, of the heat exchanger, and an air outlet of the fan is arranged towards the machine head.
6. The electric air compressor of claim 5, wherein: the fan is connected with the heat exchanger.
7. The electric air compressor of claim 4, wherein: the heat dissipation channel is annularly arranged around the output shaft of the motor or is arranged in a U shape.
8. The electric air compressor of claim 7, wherein: the output shaft of the motor is connected with the crankshaft through a flexible coupling, and blades are arranged on the flexible coupling; the heat dissipation piece is provided with an accommodating space, and the flexible coupler and the blades are arranged in the accommodating space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221568536.XU CN217462464U (en) | 2022-06-22 | 2022-06-22 | Dual-cooling electric air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221568536.XU CN217462464U (en) | 2022-06-22 | 2022-06-22 | Dual-cooling electric air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462464U true CN217462464U (en) | 2022-09-20 |
Family
ID=83239359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221568536.XU Active CN217462464U (en) | 2022-06-22 | 2022-06-22 | Dual-cooling electric air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217462464U (en) |
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2022
- 2022-06-22 CN CN202221568536.XU patent/CN217462464U/en active Active
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Effective date of registration: 20230905 Granted publication date: 20220920 |