CN218991820U

CN218991820U - Heat abstractor and have this heat abstractor's air compressor

Info

Publication number: CN218991820U
Application number: CN202223002772.8U
Authority: CN
Inventors: 杨智景; 王科
Original assignee: Shanghai Zunsheng Automobile Technology Co ltd
Current assignee: Shanghai Zunsheng Automobile Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-05-09
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses a heat dissipating device and an air compressor with the heat dissipating device, wherein the heat dissipating device comprises a heat dissipating fan, a heat dissipating pipe and a wind scooper, the heat dissipating fan is connected with an output shaft of a driving motor of the air compressor, the heat dissipating pipe is arranged above the heat dissipating fan, and the wind scooper is fixed on a fan seat and is covered above the heat dissipating pipe; the cooling fan is of an annular structure and comprises a back plate, a partition plate and a ring plate, wherein the back plate is connected between an output shaft of the driving motor and the crankshaft; the partition board is an arc board and is vertically arranged between the back board and the annular board. The heat radiating device and the air compressor with the heat radiating device are reasonable in structure, the heat radiating fan is driven to rotate through the output shaft of the driving motor, an additional power supply is not needed, space is saved, and power consumption is reduced; compressed gas passes through the coiled radiating pipe, and the compressed gas with reduced flow rate passes through the radiating fan rotating at high speed, so that efficient heat dissipation is realized.

Description

Heat abstractor and have this heat abstractor's air compressor

Technical Field

The utility model belongs to the technical field of air compressors, and relates to a heat dissipation device and an air compressor with the heat dissipation device.

Background

In order to ensure the normal operation of an air compressor (hereinafter referred to as an air compressor), a heat dissipating device needs to be configured for the air compressor. The existing air compressor heat dissipation device needs an external fan to dissipate heat of primary exhaust. The external fan needs to be additionally provided with a power supply system, so that the occupied space of the air compressor of the automobile can be increased; furthermore, the external fan can also increase the power consumption of the automobile air compressor. The heat sink of the fuel cell air compressor as disclosed in patent CN215444338U requires power for the operation of the fan.

In addition, the rotation speed of the external fan is lower, the heat dissipation requirement of the air compressor cannot be met, and the use effect of the air compressor is also affected.

Therefore, there is a need to design a heat dissipating device and an air compressor with the heat dissipating device to solve the technical problems existing at present.

Disclosure of Invention

The utility model aims at solving the technical problems, and provides the heat dissipating device and the air compressor with the heat dissipating device, which are reasonable in structure, and the heat dissipating fan is driven to rotate by the output shaft of the driving motor, so that no additional power supply is needed, the space is saved, and the power consumption is reduced; compressed gas passes through the coiled radiating pipe, and the compressed gas with reduced flow rate passes through the radiating fan rotating at high speed, so that efficient heat dissipation is realized.

In order to solve the technical problems, the heat dissipating device provided by the utility model is arranged at the middle position of an air compressor and comprises a heat dissipating fan, a heat dissipating pipe and a wind scooper, wherein the heat dissipating fan is connected with an output shaft of a driving motor of the air compressor, the heat dissipating pipe is arranged above the heat dissipating fan, and the wind scooper is fixed on a fan seat and is covered above the heat dissipating pipe; the cooling fan is of an annular structure and comprises a back plate, a partition plate and a ring plate, wherein the back plate is connected between an output shaft of the driving motor and the crankshaft; the partition board is an arc board and is vertically arranged between the back board and the annular board.

In some embodiments, the spacer plate is a thin-walled plate having a thickness less than or equal to the thickness of the back plate.

In some embodiments, the number of the spacing plates is a plurality, the spacing plates are uniformly arranged between the back plate and the annular plate, and the circular arcs of the adjacent spacing plates are consistent.

In some embodiments, the circular arc orientation of the spacer plate matches the direction of rotation of the cooling fan.

In some embodiments, the fan seat is a housing structure, the cooling fan gap is disposed in the fan seat; the clearance between the cooling fan and the inner side wall of the fan seat is 0.1-2mm.

In some embodiments, one end of the radiating pipe is connected to the primary exhaust pipe, and the other end of the radiating pipe is connected to the secondary air inlet pipe; the radiating pipe is coiled and arranged above the fan base.

In some embodiments, the radiating pipes are copper pipes which are transversely staggered and radially coiled and connected between the primary air outlet pipe and the secondary air inlet pipe.

In some embodiments, the air guide cover includes a cover body secured over the air compressor base and a cover extension extending laterally from the cover body to at least partially cover an upper side of a cylinder of the air compressor.

In some embodiments, the gap between the inner sidewall of the hood extension and the cylinder is 1-5mm.

In addition, the utility model also discloses an air compressor which comprises a fan base, a cylinder body and a driving motor, wherein an output shaft of the driving motor is connected with a crankshaft in the cylinder body through a coupler; the heat dissipation device is arranged between the cylinder body and the driving motor.

The utility model has the beneficial effects that:

the heat radiating device and the air compressor with the heat radiating device are reasonable in structure, the heat radiating fan is driven to rotate through the output shaft of the driving motor, an additional power supply is not needed, space is saved, and power consumption is reduced; compressed gas passes through the coiled radiating pipe, and the compressed gas with reduced flow rate passes through the radiating fan rotating at high speed, so that efficient heat dissipation is realized.

Drawings

The above-described advantages of the present utility model will become more apparent and more readily appreciated from the detailed description taken in conjunction with the following drawings, which are meant to be illustrative only and not limiting of the utility model, wherein:

FIG. 1 is a schematic view of an air compressor with a heat dissipating device according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the air compressor of FIG. 1;

FIG. 3 is a schematic view of an air compressor with a fan housing removed in accordance with the present utility model;

FIG. 4 is a cross-sectional view of the air compressor corresponding to FIG. 3;

fig. 5 is a schematic structural view of a heat dissipating fan according to the present utility model;

fig. 6 is a vertical sectional view of the heat radiation fan corresponding to fig. 5;

fig. 7 is a longitudinal sectional view of the heat radiation fan corresponding to fig. 5;

FIG. 8 is a partial cross-sectional view of the cooling fan corresponding to FIG. 5;

fig. 9 is a schematic view of a radiating pipe according to an embodiment of the present utility model;

FIG. 10 is a schematic view of a wind scooper according to an embodiment of the present utility model;

fig. 11 is a cross-sectional view of the corresponding wind scooper of fig. 10.

In the drawings, the components represented by the respective reference numerals are as follows:

10. a heat radiation fan; 11. a back plate; 12. a partition plate; 13. a ring plate;

20. a heat radiating pipe;

30. a wind scooper; 31. a fan housing main body; 32. a hood extension;

40. an output shaft;

50. a fan base;

60. a crankshaft;

71. a primary exhaust pipe; 72. a secondary air inlet pipe;

80. a cylinder body.

Detailed Description

The present utility model will be described in detail with reference to specific embodiments and drawings.

The examples described herein are specific embodiments of the present utility model, which are intended to illustrate the inventive concept, are intended to be illustrative and exemplary, and should not be construed as limiting the utility model to the embodiments and scope of the utility model. In addition to the embodiments described herein, those skilled in the art can adopt other obvious solutions based on the disclosure of the claims and specification of the present application, including those adopting any obvious substitutions and modifications to the embodiments described herein.

The drawings in the present specification are schematic views, which assist in explaining the concept of the present utility model, and schematically show the shapes of the respective parts and their interrelationships. Note that, in order to clearly show the structures of the components of the embodiments of the present utility model, the drawings are not drawn to the same scale. Like reference numerals are used to denote like parts.

Fig. 1 is a schematic structural diagram of an air compressor with a heat dissipating device according to an embodiment of the present utility model, wherein the heat dissipating device is disposed at a middle position of the air compressor, the heat dissipating device includes a heat dissipating fan 10, a heat dissipating tube 20, and a wind guiding cover 30 shown in fig. 2, the heat dissipating fan 10 is connected to an output shaft 40 shown in fig. 2 of a driving motor of the air compressor, the heat dissipating tube 20 is disposed above the heat dissipating fan 10, and the wind guiding cover 30 is fixed to a fan base 50 and covers the upper side of the heat dissipating tube 20.

Fig. 2 is a sectional view of the air compressor of fig. 1, and the radiator fan 10 is disposed between the output shaft 40 of the driving motor and the crankshaft 60 in the cylinder block 80. Specifically, a coupling is arranged between the output shaft 40 of the drive motor and the crankshaft 60 in the cylinder block 80, and the radiator fan 10 is connected to the coupling.

In fig. 2, the heat dissipating device is disposed at the middle position of the driving motor and the cylinder 80, the air inlet of the heat dissipating device is disposed at the lower portion, and the corresponding air outlet is disposed at the upper portion, and the heat dissipating fan 10 is driven by the output shaft 40 of the driving motor to rotate around the central axis, so as to achieve a good heat dissipating effect.

The heat sink is disposed at the middle position of the driving motor and the cylinder 80, and has the following advantages: the heat dissipation device can directly discharge the heat generated by the driving motor to the outside, and block the heat from being transmitted to the cylinder 80; the structure is more compact, and the whole volume of the air compressor is reduced. Fig. 3 and 4 are schematic views of an air compressor with the fan housing 30 removed according to the present utility model, and as can be seen from fig. 3, the heat dissipating tube 20 is disposed above the fan housing 50.

Fig. 5 is a schematic structural view of a heat dissipating fan according to the present utility model, and the heat dissipating fan 10 has a ring structure, which includes a back plate 11, a partition plate 12, and a ring plate 13. Fig. 6 and 7 are cross-sectional views of the heat radiation fan 10, wherein the partition plate 12 is a circular arc plate, and is vertically disposed between the back plate 11 and the ring plate 13.

In the embodiment shown in fig. 4, the back plate 11 shown in fig. 5 is connected between the output shaft 40 of the drive motor and the crankshaft 60. The driving motor is usually a servo motor, and the output shaft 40 of the driving motor rotates to drive the crankshaft 60 to rotate through a coupling, so as to compress the air in the cylinder 80 through a connecting rod and a piston thereof on the crankshaft 60; meanwhile, the output shaft 40 of the driving motor drives the heat radiation fan 10 to rotate so as to radiate the upper heat radiation pipe 20. It should be noted that, the rotation speed of the output shaft 40 of the driving motor is far higher than that of the fan with the additional power supply in the prior art, so as to ensure the heat dissipation effect of the heat dissipation fan 10.

Further, the spacer 12 is a thin-walled plate, and its thickness is less than or equal to the thickness of the back plate 11. In some embodiments, the wall thickness of the partition plate 12 is 1mm, and the thickness of the back plate 11 is 1.2mm, so as to control the overall weight of the cooling fan 10 and improve the flexibility of rotation of the cooling fan 10.

Fig. 8 is a partial sectional view of the radiator fan corresponding to fig. 5, where the radius of the arc of the partition plate 12 is r, and the wall thickness of the partition plate 12 is t; the arc length of the spacer plates 12 is less than or equal to the width of the ring plates 13. The setting angle of the partition plate 12 is determined by the combination of an angle α and an angle β, which are included angles between a tangent line of an arc where the partition plate 12 is located and a vertical direction, wherein the angle α is a tangent line passing through one end of the partition plate 12, and the angle β is a tangent line passing through the other end of the partition plate 12.

In the embodiment shown in fig. 8, the radius r of the circular arc corresponding to the spacer plate 12 is 10mm, the wall thickness t of the spacer plate 12 is 1mm, the angle α is 50 ° and the angle β is 26 °. The heat radiation fan 10 shown in fig. 8 can produce a good technical effect. Table 1 is the corresponding data detected by the test. The existing air compressor is compared with the air compressor provided by the utility model, and the test time is 2 hours.

Table 1 comparison of test data for air compressors

As can be seen from table 1, the air compressor of the present utility model has the heat dissipating device disposed at the middle position thereof, and the partition plate is specifically improved, so that the secondary air intake temperature and the final air exhaust temperature are effectively reduced, and a good heat dissipating effect is achieved.

As an embodiment of the present utility model, the number of the partition plates 12 is plural, the intervals are uniformly provided between the back plate 11 and the ring plate 13, and the circular arcs of the adjacent partition plates 12 are oriented uniformly. Further, the circular arc orientation of the partition plate 12 matches the rotation direction of the heat radiation fan 10. Specifically, the circular arc orientation of the partition plate 12 coincides with the rotation direction of the heat radiation fan 10 to ensure a good heat radiation effect.

In the embodiment shown in fig. 2, the fan seat 50 is a housing structure, and the cooling fan 10 is disposed in the fan seat 50 in a gap manner; the gap between the cooling fan 10 and the inner side wall of the fan housing 50 is 0.1-2mm, so as to ensure that the cooling fan 10 is disposed in the fan housing 50. Meanwhile, the air flow inside the fan housing 50 can flow in the gap, and the air flow in the gap can form a certain thrust to the partition plate 12 of the cooling fan 10 to increase the rotation speed of the cooling fan 10.

Fig. 3 is a schematic view of an air compressor with a fan housing removed according to the present utility model, wherein one end of the radiating pipe 20 is connected to the primary exhaust pipe 71, and the other end is connected to the secondary intake pipe 72; the heat dissipating tube 20 is coiled above the fan base 50.

Fig. 9 is a schematic diagram of a heat dissipating tube 20 according to an embodiment of the present utility model, wherein the heat dissipating tube 20 is a copper tube, and is transversely staggered and radially coiled between a primary air outlet 71 and a secondary air inlet 72. The flow rate of the compressed air entering the heat radiating pipe 20 is slowed down to increase the time above the exhaust fan 10, enhancing the heat radiating effect of the heat radiating device. The dashed line with arrows in fig. 3 shows the general flow direction of the air flow in the duct, the compressed air is first compressed by the cylinder 80, then enters the interior of the radiating pipe 20 through the first exhaust pipe 71, then passes through the coiled radiating pipe 20, and then enters the interior of the cylinder 80 through the second intake pipe 72 for secondary compression.

Fig. 10 is a schematic view of a wind scooper according to an embodiment of the present utility model, and fig. 11 is a cross-sectional view of the wind scooper 30. The air guide cover 30 includes a cover main body 31 and a cover extension portion 32, the cover main body 31 is fixed above the fan base 50, and the cover extension portion 32 extends laterally from the cover main body 31 to cover at least part of the upper side of the cylinder 80 of the air compressor.

Further, the gap between the inner sidewall of the hood extension 32 and the cylinder 80 is 1-5mm. The air flow pushed by the heat radiation fan 10 is discharged outwards through the gap between the inner sidewall of the hood extension 32 and the cylinder 80 to take away the heat of the outer circumferential side of the heat radiation pipe 20. At the same time, the air flow blows to the outer side wall of the cylinder 80, and can radiate heat and cool the outer peripheral side of the cylinder 80.

In addition, the present utility model provides an air compressor, which is schematically shown in fig. 1 to 4, comprising a fan housing 50, a cylinder block 80, and a driving motor, an output shaft 40 of which is connected with a crankshaft 60 in the cylinder block 80 through a coupling; the air compressor cooling device further comprises the cooling device, wherein the cooling device is arranged between the cylinder body 80 and the driving motor, so that the cooling fan 10, the cooling pipe 20 and the air guide cover 30 are combined to cool the air compressor, and the running stability of the air compressor is guaranteed.

Compared with the defects and shortcomings of the prior art, the heat dissipation device and the air compressor with the heat dissipation device are reasonable in structure, the heat dissipation fan is driven to rotate through the output shaft of the driving motor, no additional power supply is needed, space is saved, and power consumption is reduced; compressed gas passes through the coiled radiating pipe, and the compressed gas with reduced flow rate passes through the radiating fan rotating at high speed, so that efficient heat dissipation is realized.

The present utility model is not limited to the above embodiments, and any person can obtain other products in various forms under the teaching of the present utility model, however, any changes in shape or structure of the products are included in the scope of protection of the present utility model, and all the products having the same or similar technical solutions as the present application are included in the present utility model.

Claims

1. The heat dissipation device is characterized by being arranged in the middle of an air compressor and comprising a heat dissipation fan (10), a heat dissipation pipe (20) and a wind guide cover (30), wherein the heat dissipation fan (10) is connected to an output shaft (40) of a driving motor of the air compressor, the heat dissipation pipe (20) is arranged above the heat dissipation fan (10), and the wind guide cover (30) is fixed on a fan base (50) and covers the upper part of the heat dissipation pipe (20); the cooling fan (10) is of an annular structure and comprises a back plate (11), a partition plate (12) and a ring plate (13), wherein the back plate (11) is connected between an output shaft (40) of the driving motor and a crankshaft (60); the partition plate (12) is an arc plate and is vertically arranged between the back plate (11) and the annular plate (13).

2. The heat sink according to claim 1, characterized in that the spacer plate (12) is a thin wall plate having a thickness smaller than or equal to the thickness of the back plate (11).

3. The heat sink according to claim 1, wherein the number of the partition plates (12) is plural, the intervals are uniformly provided between the back plate (11) and the ring plate (13), and the circular arcs of the adjacent partition plates (12) are oriented uniformly.

4. A heat sink according to claim 3, characterised in that the circular arc orientation of the partition plate (12) matches the direction of rotation of the heat sink fan (10).

5. The heat dissipating device according to claim 1, wherein the fan seat (50) is a housing structure, and the heat dissipating fan (10) is disposed in the fan seat (50) with a gap therebetween; the clearance between the cooling fan (10) and the inner side wall of the fan seat (50) is 0.1-2mm.

6. The heat sink according to claim 1, wherein one end of the heat radiating pipe (20) is connected to a primary exhaust pipe (71) and the other end thereof is connected to a secondary intake pipe (72); the radiating pipe (20) is coiled and arranged above the fan base (50).

7. The heat sink of claim 6, wherein the heat dissipating tube (20) is a copper tube which is laterally staggered and radially coiled between the primary air outlet tube (71) and the secondary air inlet tube (72).

8. The heat sink according to claim 1, wherein the wind scooper (30) comprises a wind scooper body (31) and a wind scooper extension (32), the wind scooper body (31) being fixed above the wind scooper seat (50), the wind scooper extension (32) extending laterally from the wind scooper body (31) to at least partially cover an upper side of a cylinder (80) of the air compressor.

9. The heat sink according to claim 8, characterized in that the gap between the inner side wall of the hood extension (32) and the cylinder (80) is 1-5mm.

10. The air compressor is characterized by comprising a fan base (50), a cylinder body (80) and a driving motor, wherein an output shaft (40) of the driving motor is connected with a crankshaft (60) in the cylinder body (80) through a coupling; it further comprises a heat sink according to any of claims 1 to 9, arranged between the cylinder (80) and the drive motor.