CN108412773B - Cooling structure and vehicle-mounted air compressor applying same - Google Patents
Cooling structure and vehicle-mounted air compressor applying same Download PDFInfo
- Publication number
- CN108412773B CN108412773B CN201810214004.8A CN201810214004A CN108412773B CN 108412773 B CN108412773 B CN 108412773B CN 201810214004 A CN201810214004 A CN 201810214004A CN 108412773 B CN108412773 B CN 108412773B
- Authority
- CN
- China
- Prior art keywords
- oil
- fan
- air compressor
- cooler
- motor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 27
- 230000002265 prevention Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic pumps
Abstract
The invention discloses a vehicle-mounted air compressor, which comprises a screw air compressor main machine, a motor and a cooler, wherein the cooler comprises a first fan and a cooling disc arranged on one side of the first fan, one end of an output shaft is provided with a second fan, the other end of the output shaft is connected with the first fan and can drive the first fan to rotate, the second fan is arranged close to a main shaft, and the output shaft simultaneously drives the first fan and the second fan to blow in the direction of the cooling disc under the rotation state of the first fan and the second fan. The motor and the cooler are integrated, the structure is more compact and reasonable, the heat dissipation is quicker, the energy consumption is greatly reduced, and the noise is also much lower.
Description
Technical Field
The invention relates to a cooling structure of an air compressor, and also relates to the air compressor.
Background
The large-sized vehicles are generally provided with air compressors, so that compressed air sources can be provided for the braking, door opening and closing mechanisms of the vehicles, and the like.
The common screw air compressor comprises a motor, a host machine, an oil gas tank, a cooler, a filter and an oil gas separator, wherein the host machine adopts double screw compression. Working principle: the motor works to drive the host machine to start, air enters the host machine from the air inlet valve, air enters the oil tank from the air outlet of the host machine, oil in the oil tank is pressed onto the cooler, the cooled oil passes through the filter and then enters the oil inlet of the host machine, meanwhile, the air enters the oil-gas separator from the air outlet of the oil-gas tank, the separated oil flows back to the host machine from the oil-gas separator, and the compressed air comes out from the air outlet of the oil-gas separator.
The related literature can refer to China patent application publication No. 201010110513.X (application publication No. CN 101793253A); reference may also be made to the chinese patent application publication No. 201610654553.8 for a compressor for vehicles (application publication No. CN 106246555A), and the like.
In the existing air compressor, a motor and a cooler are respectively provided with a fan cooling system, when the air compressor works, the two fan cooling systems work simultaneously, the noise is high, and the structure is not compact; in addition, the high-speed rotation of the connection part between the output shaft of the motor and the host machine can generate a large amount of heat, and the heat cannot be cooled by the two existing fans, and a separate cooling device is not provided, so that the stable operation for a long time is not facilitated.
Disclosure of Invention
The invention aims to provide a cooling structure with compact structure and fast heat dissipation aiming at the technical current state.
Another technical problem to be solved by the present invention is to provide a cooling structure with low energy consumption.
Another technical problem to be solved by the invention is to provide a vehicle-mounted air compressor which is compact in structure and fast in heat dissipation.
Another technical problem to be solved by the invention is to provide a vehicle-mounted air compressor with low energy consumption.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a cooling structure, includes screw air compressor machine host computer, motor and cooler, the output shaft of aforementioned motor is connected with the main shaft of screw air compressor machine host computer, the oil-out end of aforementioned cooler passes through the pipe connection with the oil feed end of screw air compressor machine host computer, its characterized in that cooler include first fan and locate the cooling disk of first fan one side, the one end of output shaft is equipped with the second fan, the other end is connected and can drive first fan rotation with aforementioned second fan, aforementioned second fan is close to the main shaft setting, the output shaft drive simultaneously under first fan and the rotatory state of second fan, the wind that produces all blows to the cooling disk direction.
Further, one side of the motor is provided with a first outer cover which is positioned on the periphery of the second fan, and the first outer cover is provided with an air inlet hole.
The second fan comprises a middle connecting sleeve and blades distributed on the periphery of the connecting sleeve, and the connecting sleeve connects the output shaft and the main shaft into a whole. The second fan here also serves as a connection for the process cooling.
In order to make the assembly more compact, the screw air compressor main machine, the motor and the cooler are arranged in a straight line.
The other side of the motor is positioned at the periphery of the first fan and is provided with a second outer cover in a sealing way.
The utility model provides a vehicle-mounted air compressor, includes cooling structure, oil gas jar and oil-gas separator, the oil inlet end of cooler and the play oil end of oil gas jar pass through second oil pipe and be connected, the air outlet end of screw air compressor machine host computer be connected to in the oil gas jar through the blast pipe, the exhaust end of aforementioned oil gas jar is connected with the air inlet end of oil-gas separator, aforementioned oil-gas separator has compressed air discharge end, be connected with the oil return pipe between aforementioned oil-gas separator and the screw air compressor machine host computer.
Preferably, the oil tank may include a tank body, a cover plate, and a cylinder body, wherein the upper end of the tank body forms an installation port, the cover plate is sealingly disposed on the installation port of the tank body, and the cylinder body is disposed on one side of the tank body.
Further, the cooling structure, the oil gas tank and the oil gas separator are arranged on a bottom plate, and a cushion block for vibration prevention is arranged on the lower bottom surface of the bottom plate.
Further, the bottom plate edge is buckled downwards to form a flanging, a clamp is arranged on the inner side of the flanging, and the cushion block is limited in an area surrounded by the flanging and the clamp. The lateral movement of the cushion block is limited, so that the friction between the cushion block and the periphery can be reduced, and the service life can be prolonged.
Preferably, the bottom plate is square, and the number of the cushion blocks is at least four and is respectively arranged on four corners of the bottom plate.
Compared with the prior art, the invention has the advantages that: the motor drives fans at two ends to work simultaneously, so that air flows from the direction of the cooler after passing through the motor from the main machine of the screw air compressor, heat at the joint of the main shaft and the output shaft and heat in the motor are radiated through the cooler, the original two fan systems are integrated into one, the motor and the cooler are integrated, the structure is more compact and reasonable, the radiation is more rapid, the energy consumption is greatly reduced, and the noise is also much lower.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment.
Fig. 2 is a schematic view of another view structure according to an embodiment.
Fig. 3 is a partially exploded view of an embodiment.
Fig. 4 is a sectional view of a screw air compressor main unit, a motor and a cooler combination in an embodiment.
Fig. 5 is a state diagram of the spacer of fig. 2 when the spacer is disengaged.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
As shown in fig. 1, 3 and 4, the vehicle-mounted air compressor comprises a bottom plate 9, a screw air compressor main machine 2 arranged on the bottom plate, a motor 1, a cooler, an oil-gas tank 7, an oil filter 81 and an oil-gas separator 82,
the output shaft 21 of the motor 1 is connected with the main shaft 11 of the screw air compressor main unit 2, the oil inlet end of the cooler is connected with the oil outlet end of the oil gas tank 7 through an oil pipe, the air outlet end of the screw air compressor main unit 2 is connected into the oil gas tank 7 through an exhaust pipe, the air outlet end of the oil gas tank 7 is connected with the air inlet end of the oil gas separator 82, the oil gas separator 82 is provided with a compressed air outlet end, and an oil return pipe is connected between the oil gas separator 82 and the screw air compressor main unit 2. The screw air compressor main machine 2, the motor 1 and the cooler are arranged in a straight line.
Referring to fig. 2, the cooler includes a first fan 3 and a cooling disk 6 disposed at one side of the first fan 3, one end of an output shaft 21 is provided with a second fan 4, the other end is connected with the first fan 3 and can drive the first fan 3 to rotate, the second fan 4 is disposed near the main shaft 11, and the output shaft 21 drives the first fan 3 and the second fan 4 to blow in the direction of the cooling disk 6 in a rotating state.
A first housing 51 is provided on one side of the motor 1 at the outer periphery of the second fan 4, and the first housing 51 is provided with an air inlet 511. The second fan 4 includes a middle connection sleeve 42 and blades 41 distributed on the outer periphery of the connection sleeve 42, and the connection sleeve 42 connects the output shaft 21 and the main shaft 11 as a unit. The other side of the motor 1 is provided with a second housing 52 on the outer periphery of the first fan 3 in a sealing manner.
The oil tank 7 includes a tank body 71, a cover plate 73 and a cylinder 72, wherein an installation port is formed at the upper end of the tank body 71, the cover plate 73 is sealingly disposed on the installation port of the tank body 71, and the cylinder 72 is disposed on one side of the tank body 71.
As shown in fig. 2 and 5, the lower bottom surface of the base plate 9 is provided with a spacer 93 for vibration prevention. The edge of the bottom plate 9 is bent downwards to form a flanging 91, a clamp 92 is arranged on the inner side of the flanging 91, and a cushion block 93 is limited in a region 94 surrounded by the flanging 91 and the clamp 92. The bottom plate 9 in this embodiment is square, and four pads 93 are respectively disposed on four corners of the bottom plate 9. Each pad 93 is also provided with a connecting bolt 95 that can be connected to the vehicle body.
Working principle: the motor 1 works to drive the screw air compressor main machine 2 to start, air enters the screw air compressor main machine 1 from the air inlet valve, enters the oil gas tank 7 from the air outlet of the screw air compressor main machine 2 through the exhaust pipe, oil in the oil gas tank 7 is pressed onto the cooler, the cooled oil passes through the oil filter 81 and then enters the oil inlet of the screw air compressor main machine 2, meanwhile, compressed air enters the oil-gas separator 82 from the air outlet of the oil gas tank 7, then the separated oil flows back to the screw air compressor main machine 1 from the oil-gas separator 82, and the compressed air comes out from the air outlet of the oil-gas separator 82.
The motor drives fans at two ends to work simultaneously, so that air flows from the direction of the cooler after passing through the motor from the main machine of the screw air compressor, heat at the joint of the main shaft and the output shaft and heat in the motor are radiated through the cooler, the original two fan systems are integrated into one, the motor and the cooler are integrated, the structure is more compact and reasonable, the radiation is more rapid, the energy consumption is greatly reduced, and the noise is also much lower.
Claims (9)
1. The utility model provides a cooling structure, includes screw compressor main machine (2), motor (1) and cooler, the output shaft (21) of aforementioned motor (1) is connected with main shaft (11) of screw compressor main machine (2), the oil outlet of aforementioned cooler passes through the pipeline with the oil feed end of screw compressor main machine (2) and is connected, characterized by that the cooler include first fan (3) and locate cooling disk (6) of first fan (3) one side, the one end of output shaft (21) is equipped with second fan (4), the other end is connected and can drive first fan (3) rotation with aforementioned first fan (3), aforementioned second fan (4) are close to main shaft (11) setting, output shaft (21) drive first fan (3) and second fan (4) rotation state simultaneously under, the wind that produces is all to cooling disk (6) direction blowing;
the second fan (4) comprises a middle connecting sleeve (42) and blades (41) distributed on the periphery of the connecting sleeve (42), and the connecting sleeve (42) connects the output shaft (21) and the main shaft (11) into a whole.
2. The cooling structure according to claim 1, characterized in that a first housing (51) is provided on the outer periphery of the second fan (4) at one side of the motor (1), and the first housing (51) is provided with an air inlet hole (511).
3. The cooling structure according to claim 1, wherein the screw air compressor main unit (2), the motor (1) and the cooler are arranged in a straight line.
4. A cooling structure according to claim 1, characterized in that the other side of the motor (1) is provided with a second housing (52) sealingly arranged at the periphery of the first fan (3).
5. The vehicle-mounted air compressor with the cooling structure comprises a cooling structure, an oil-gas tank (7) and an oil-gas separator (82), wherein the oil inlet end of the cooler is connected with the oil outlet end of the oil-gas tank (7) through an oil pipe, the air outlet end of a screw air compressor main unit (2) is connected into the oil-gas tank (7) through an exhaust pipe, the air outlet end of the oil-gas tank (7) is connected with the air inlet end of the oil-gas separator (82), the oil-gas separator (82) is provided with a compressed air outlet end, and an oil return pipe is connected between the oil-gas separator (82) and the screw air compressor main unit (2).
6. The vehicle-mounted air compressor of claim 5, wherein the oil-gas tank (7) comprises a tank body (71), a cover plate (73) and a cylinder body (72), wherein a mounting port is formed at the upper end of the tank body (71), the cover plate (73) is sealingly disposed at the mounting port of the tank body (71), and the cylinder body (72) is disposed at one side of the tank body (71).
7. The vehicle-mounted air compressor of claim 5, wherein the cooling structure, the oil-gas tank (7) and the oil-gas separator (82) are arranged on a bottom plate (9), and a cushion block (93) for vibration prevention is arranged on the lower bottom surface of the bottom plate (9).
8. The vehicle-mounted air compressor of claim 7, wherein the edge of the bottom plate (9) is bent downwards to form a flange (91), a clip (92) is arranged on the inner side of the flange (91), and the cushion block (93) is limited in an area (94) surrounded by the flange (91) and the clip (92).
9. The vehicle-mounted air compressor according to claim 8, wherein the bottom plate (9) is square, and the number of the cushion blocks (93) is at least four, and the cushion blocks are respectively arranged on four corners of the bottom plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214004.8A CN108412773B (en) | 2018-03-15 | 2018-03-15 | Cooling structure and vehicle-mounted air compressor applying same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810214004.8A CN108412773B (en) | 2018-03-15 | 2018-03-15 | Cooling structure and vehicle-mounted air compressor applying same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108412773A CN108412773A (en) | 2018-08-17 |
| CN108412773B true CN108412773B (en) | 2024-01-02 |
Family
ID=63131631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810214004.8A Active CN108412773B (en) | 2018-03-15 | 2018-03-15 | Cooling structure and vehicle-mounted air compressor applying same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108412773B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052316A (en) * | 2011-01-20 | 2011-05-11 | 上海康可尔压缩机有限公司 | Outer rotor vortex permanent magnet frequency conversion screw compressor system |
| CN104389787A (en) * | 2014-11-19 | 2015-03-04 | 意朗实业（上海）有限公司 | Single-screw air compressor |
| CN204677433U (en) * | 2015-01-29 | 2015-09-30 | 珠海思齐电动汽车设备有限公司 | Pure electric coach double-screw air compressor unit |
| CN207920872U (en) * | 2018-03-15 | 2018-09-28 | 陆亚明 | Cooling structure and application have the vehicle-mounted air compressor of the cooling structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1020311A3 (en) * | 2012-02-28 | 2013-07-02 | Atlas Copco Airpower Nv | SCREW COMPRESSOR. |
-
2018
- 2018-03-15 CN CN201810214004.8A patent/CN108412773B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102052316A (en) * | 2011-01-20 | 2011-05-11 | 上海康可尔压缩机有限公司 | Outer rotor vortex permanent magnet frequency conversion screw compressor system |
| CN104389787A (en) * | 2014-11-19 | 2015-03-04 | 意朗实业（上海）有限公司 | Single-screw air compressor |
| CN204677433U (en) * | 2015-01-29 | 2015-09-30 | 珠海思齐电动汽车设备有限公司 | Pure electric coach double-screw air compressor unit |
| CN207920872U (en) * | 2018-03-15 | 2018-09-28 | 陆亚明 | Cooling structure and application have the vehicle-mounted air compressor of the cooling structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108412773A (en) | 2018-08-17 |
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