CN117231464A - Air suspension compressor unit - Google Patents
Air suspension compressor unit Download PDFInfo
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- CN117231464A CN117231464A CN202311165156.0A CN202311165156A CN117231464A CN 117231464 A CN117231464 A CN 117231464A CN 202311165156 A CN202311165156 A CN 202311165156A CN 117231464 A CN117231464 A CN 117231464A
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- air
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- drying tank
- compressed
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- 239000000725 suspension Substances 0.000 title claims abstract description 24
- 238000001035 drying Methods 0.000 claims abstract description 68
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002274 desiccant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The invention discloses an air suspension compressor unit, which comprises a compressor, a brushless motor, a drying tank and an air path system component, wherein the compressor is a two-stage compressor, and the drying tank is a two-stage drying tank; the brushless motor drives a piston in the first-stage compressor to move through a gear pair, and the piston in the first-stage compressor drives a piston in the second-stage compressor to move through a connecting rod, so that the same-direction reciprocating motion is realized; air compressed by the first-stage compressor enters the first-stage drying tank through the air path system component, compressed air dried in the first-stage drying tank enters the second-stage compressor through the air path system component, air compressed by the second-stage compressor enters the second-stage drying tank through the air path system component, and compressed air dried in the second-stage drying tank is supplied to the air spring through the air path system component. The invention can realize normal inflation and rapid inflation. The invention realizes the reciprocating balance of the piston through the pair of gears of the gear pair and the two connecting rods, and improves the stability and the operation efficiency of the compressor.
Description
Technical Field
The invention relates to the technical field of air compressors, in particular to an air suspension compressor unit.
Background
Air suspension compressors are commonly used in passenger vehicle air suspension systems to provide high pressure air to the air springs. The height of the air spring is often different according to the application of the vehicle, such as off-road vehicles, sports vehicles, cargo vehicles, sedans and the like; and the distance between the chassis and the tires of the vehicle body is often different in different driving modes.
An air suspension compressor train is typically comprised of a motor, a compressor, and a dryer. Air in the atmosphere enters the motor after being filtered and muffled, the air enters the compressor cylinder from the motor side, and the air compressed by the compressor is discharged to a corresponding container through the dryer, so that sufficient compressed air is provided for the air spring. To cool the motor, the suction of the compressor tends to pass through the interior of the motor; however, in a wet weather, an extremely cold weather or a water accumulation road surface, water is often separated out from the interior of the motor, and the water can influence the operation of the motor. After long-time operation, the motor may be frozen, rusted, etc., so that the motor of the compressor may not be operated. The electromagnetism in the motor contacts with water, has certain potential safety hazard.
Disclosure of Invention
One of the technical problems to be solved by the present invention is to provide an air suspension compressor unit aiming at the defects existing in the prior art.
In order to achieve the above object, the air suspension compressor unit of the present invention comprises a compressor, a brushless motor, a drying tank and an air path system component, wherein the brushless motor drives the compressor to work, the compressor sucks air through the air path system component and inputs compressed air into the drying tank through the air path component, and the drying tank supplies air to an air spring through the air path system component; the brushless motor pushes a piston in the first-stage compressor to move through a gear pair, and the piston in the first-stage compressor is fixedly connected with a piston in the second-stage compressor, so that the same-direction reciprocating movement is realized; the air compressed by the first-stage compressor enters the first-stage drying tank through the air path system component, the compressed air dried in the first-stage drying tank enters the cylinder of the second-stage compressor through the air path system component, and the compressed air dried in the second-stage drying tank is supplied to the air spring through the air path system component.
In a preferred embodiment of the present invention, the gear pair includes a driving gear and a driven gear meshed with each other, wherein the brushless motor drives the driving gear to rotate, the driving gear drives the driven gear, the driving gear and the driven gear drive the piston in the first stage compressor to move through a piston connecting rod, one ends of the two piston connecting rods are eccentrically hinged to the driving gear and the driven gear through a gear pin, and the other ends of the two piston connecting rods are hinged to the piston in the first stage compressor through a piston pin.
In a preferred embodiment of the present invention, the air dryer further comprises a high-pressure air storage tank, and the compressed air after drying in the second-stage drying tank is supplied to the air spring and the high-pressure air storage tank through the air path system component.
In a preferred embodiment of the present invention, the air path system component includes an air intake air path, a first connection air path, a second connection air path, a third connection air path, and an air charging air path, the air intake air path is connected with the cylinder of the first stage compressor, the cylinder of the first stage compressor is connected with the first stage drying tank through the first connection air path, and the second connection air path is connected with the cylinders of the first stage drying tank and the second stage compressor; the air cylinder of the second-stage compressor is connected with the second-stage drying tank through a third connecting air circuit; one end of the air inflation path is connected with the air cylinder of the second-stage compressor and the second-stage drying tank, and the other end of the air inflation path is connected with the high-pressure air storage tank and the air spring through an air distribution valve in the air inflation path.
In a preferred embodiment of the present invention, the air-charging path is divided into a normal air-charging path, a rapid air-charging path and an air distribution valve, wherein the normal air-charging path is sucked from the atmosphere through the air distribution valve, one end of the normal air-charging path is connected with the air cylinder of the second stage compressor, and the other end of the normal air-charging path is connected with the air spring and the high-pressure air storage tank through the air distribution valve; one end of the rapid air charging circuit is connected with the high-pressure air storage tank, and the other end of the rapid air charging circuit is connected with the air spring through the air cylinder of the second-stage compressor, the second-stage dryer and the air distributing valve in sequence.
In a preferred embodiment of the invention, the air intake path comprises a tesla valve.
In a preferred embodiment of the invention, the first stage dryer has a heat sink function.
The operation method of the air suspension compressor unit is divided into a normal inflation mode and a rapid inflation mode, wherein the normal inflation mode is as follows: the external air enters the cylinder of the first-stage compressor through the air inlet air path, the high-pressure air compressed by the first-stage compressor enters the first-stage drying tank through the first connecting air path, the compressed air cooled and dried in the first-stage drying tank enters the cylinder of the second-stage compressor through the second connecting pipeline, the compressed air compressed by the second-stage compressor enters the second-stage drying tank through the third connecting pipeline, and after the compressed air in the second-stage drying tank is dehydrated, the compressed air is distributed to the second-stage drying tank through the normal air charging air path and the air distribution valve according to the running state mode of the vehicle, the air storage tank and the pressure of the air spring through the air distribution valve; the rapid inflation mode is: compressed air in the high-pressure air storage tank is connected into the air cylinder of the second-stage compressor through the quick air charging air circuit, enters the second-stage drying tank through the third connecting pipeline after being compressed by the second-stage compressor, and enters the air spring through the quick air charging air circuit after being dehydrated by the compressed air in the second-stage drying tank, so that quick air charging of the air spring is realized.
Due to the adoption of the technical scheme, the invention has the following characteristics:
1. two-stage piston non-oscillating: the invention adopts a two-stage piston non-swinging structure, and realizes reciprocating motion balance of the piston through a pair of gears and two connecting rods. The structure can reduce vibration and impact and improve the stability and the operation efficiency of the dynamic compressor.
2. Two-stage drying: while conventional drying systems typically have only one stage, the present invention employs a two stage drying system. The two-stage drying can remove the moisture in the air more effectively, and the drying efficiency is improved. In addition, the primary dryer has a heat dissipation function, so that the temperature is reduced, and the drying effect is further improved.
3. The Tesla valve technology is introduced, and the Tesla valve has almost no resistance when in air intake, so that the piston can be pushed to move by the power of the air, and the efficiency of the compressor is improved. During the exhaust, the tesla valve can generate certain resistance, which is helpful for reducing exhaust noise and improving the mute performance of the compressor.
4. The brushless motor control module integrates an air distribution valve control module: the design adopts the integrated design of a brushless motor control module and an air distribution valve control module. The brushless motor control module can accurately control the operation of the compressor, and higher response speed and accuracy are provided. Meanwhile, the integrated distributing valve control module can reduce cost, volume and weight and improve reliability and performance of the whole system.
5. The gas does not pass through the motor: the design avoids the condition that gas directly passes through the motor, thereby reducing the problems of icing, rusting and the like caused by the influence of moisture, pollutants and the like in the air. This can improve the stability and life of the motor and reduce the likelihood of maintenance and failure.
Drawings
Fig. 1 is a schematic view of the internal structure of the air suspension compressor unit of the present invention.
Fig. 2 is a schematic diagram of the air circuit layout of the air suspension compressor package of the present invention.
FIG. 3 is a schematic flow chart of the normal charging mode of the air suspension compressor unit of the present invention.
FIG. 4 is a schematic flow chart of the fast charge mode of the air suspension compressor unit of the present invention.
Detailed Description
The invention is further described below with reference to the drawings and detailed description.
Referring to fig. 1, the air suspension compressor package shown in the drawings includes a compressor, a brushless motor 40, a desiccant canister, a high pressure air reservoir 30, and air path system components.
The brushless motor 40 drives the compressor to operate, the compressor sucks air through the air path system component and inputs compressed air into the drying tank through the air path component, and the drying tank supplies air to the air spring through the air path system component.
The compressors are two-stage compressors, and are divided into a first stage compressor 10a and a second stage compressor 10b. The drying tanks are two-stage drying tanks, and are divided into a first stage drying tank 20a and a second stage drying tank 20b.
The brushless motor 40 pushes the piston 11a in the first stage compressor 10a to move through the gear pair, specifically: the gear pair includes a driving gear 50a and a driven gear 50b which are engaged with each other, and counterweights are provided on both the driving gear 50a and the driven gear 50 b. The driving gear 50a and the driven gear 50b are mounted in a gear box 90.
The brushless motor 40 drives the driving gear 50a to rotate, the driving gear 50a drives the driven gear 50b to rotate, the driving gear 50a and the driven gear 50b drive the piston 11a in the first-stage compressor 10a to move through a piston connecting rod 51a and a piston connecting rod 51b respectively, one ends of the two piston connecting rods 51a and 51b are eccentrically hinged on the driving gear 50a and the driven gear 50b through a gear pin 52a and a gear pin 52b respectively, the other ends of the two piston connecting rods 51a and 51b are hinged on the piston 11b in the first-stage compressor 10a through a piston pin 53a and a piston pin 53b respectively, the driving gear 50a and the driven gear 50b are driven to rotate through the brushless motor 40, and circumferential force of the rotation of the driving gear 50a and the driven gear 50b is converted into elastic force acting on the piston 11b in the first-stage compressor 10a through eccentric design of the driving gear 50a and the driven gear 50 b.
The piston 11a in the first stage compressor 10a is fixedly connected with the piston 11b in the second stage compressor 10b through a connecting rod 60, and the piston 11b in the second stage compressor 10b is driven to move, so that the motion transformation and the power transmission are realized, and the same-direction reciprocating motion is realized. The advantage of this configuration is that the piston 11b in the second stage compressor 10b does not oscillate when moving, reciprocates straight, reduces vibration and reduces difficulty in sealing, and reduces blow-by between the piston 11a in the first stage compressor 10a and the cylinder 12a in the first stage compressor 10a and between the piston 11b in the second stage compressor 10b and the cylinder 12b in the second stage compressor 10b.
The air channel system components comprise an air inlet air channel 71, a first connecting air channel 72, a second connecting air channel 73, a third connecting air channel 74 and an air charging air channel, wherein the air inlet air channel 71 is connected with the air cylinder 12a of the first-stage compressor 10a, the air cylinder 12a of the first-stage compressor 10a is connected with the first-stage drying tank 20a through the second connecting air channel 72, and the second connecting air channel 73 is connected with the first-stage drying tank 20a and the air cylinder 12b of the second-stage compressor 10 b; the cylinder 12b of the second-stage compressor 10b is connected with the second-stage drying tank 20b through a third connecting gas path 74; a laplace valve 100 is also connected in series in the air intake path 71. In addition, the first stage dryer tank 20a may be used as a heat sink (or the first stage dryer tank may be designed with a heat dissipating function, such as a metal housing with good heat transfer properties, with fins on the housing to increase the surface area.
The air charging path is divided into a normal air charging path 75, a quick air charging path 76 and an air distributing valve 80, one end of the normal air charging path 75 is connected with the air cylinder 12b of the second-stage compressor 10b, and the other end is connected with the air spring 110 and the high-pressure air storage tank 30 through the air distributing valve 80; one end of the rapid air charging path 76 is connected with the high-pressure air storage tank 30, and the other end is connected with the air spring 110 through the cylinder 12b of the second-stage compressor 10b, the second-stage dryer 20b and the air distributing valve 80 in sequence.
The operation method of the air suspension compressor unit is divided into a normal inflation mode and a rapid inflation mode, wherein the normal inflation mode is as follows: the outside air enters the cylinder 12a of the first-stage compressor 10a through the air inlet 71a, the tesla valve 100, the air inlet and outlet 71 and the cylinder 12a of the first-stage compressor 10a, the high-pressure air compressed by the first-stage compressor 10a enters the first-stage drying tank 20a through the first connecting air channel 72 and the air inlet of the first-stage drying tank 20a, the compressed air cooled and dried in the first-stage drying tank 20a comes out from the air outlet of the first-stage drying tank 20a, enters the cylinder 12b of the second-stage compressor 10b through the second connecting pipeline 73 and the air inlet and outlet 71 of the cylinder 12b of the second-stage compressor 10b, enters the air inlet of the second-stage drying tank 20b through the air inlet and outlet 74 of the cylinder 12b of the second-stage compressor 10b and the third connecting pipeline 74 after being compressed by the second-stage compressor 10b, and after the compressed air moisture in the second-stage drying tank 20b is removed by the air outlet 75 and the normal air distribution valve 80 of the second-stage drying tank 20b, and the air distribution valve 80 can also enter the air storage spring 30 directly according to the different working conditions of the vehicle.
The rapid inflation mode is: compressed air in the high-pressure air storage tank 30 enters the air cylinder 12b of the second-stage compressor 10b through the air inlet and outlet port and the quick air charging air path 76 on the high-pressure air storage tank 30 and the air inlet and outlet port of the air cylinder 12b of the second-stage compressor 10b, after being compressed by the second-stage compressor 10b, enters the second-stage drying tank 20b through the air inlet and outlet port of the air cylinder 12b of the second-stage compressor 10b, the third connecting pipeline 74 and the air inlet of the second-stage drying tank 20b, and after being dehydrated by the compressed air in the second-stage drying tank 20b, enters the distribution valve 80 through the air outlet port and the quick air charging air path 76 of the second-stage drying tank 20b, and is distributed to four air springs through the distribution valve 80, so that quick air charging of the four air springs is realized.
Claims (8)
1. The air suspension compressor unit comprises a compressor, a brushless motor, a drying tank and an air passage system component, wherein the brushless motor drives the compressor to work, the compressor sucks air through the air passage system component and inputs compressed air into the drying tank through the air passage component, and the drying tank supplies air to an air spring through the air passage system component; the brushless motor pushes a piston in the first-stage compressor to move through a gear pair, and the piston in the first-stage compressor is fixedly connected with a piston in the second-stage compressor, so that the same-direction reciprocating movement is realized; the air compressed by the first-stage compressor enters the first-stage drying tank through the air path system component, the compressed air dried in the first-stage drying tank enters the cylinder of the second-stage compressor through the air path system component, and the compressed air dried in the second-stage drying tank is supplied to the air spring through the air path system component.
2. The air suspension compressor unit according to claim 1, wherein the gear pair comprises a driving gear and a driven gear which are meshed with each other, wherein the brushless motor drives the driving gear to rotate, the driving gear drives the driven gear, the driving gear and the driven gear drive pistons in the first-stage compressor through a piston connecting rod respectively, one ends of the two piston connecting rods are eccentrically hinged to the driving gear and the driven gear through a gear pin respectively, and the other ends of the two piston connecting rods are hinged to the pistons in the first-stage compressor through a piston pin respectively.
3. An air suspension compressor package according to claim 1 or 2, further comprising a high pressure air tank, the compressed air after drying in the second stage dryer tank being supplied to the air spring and the high pressure air tank via said air circuit system components.
4. An air suspension compressor package according to claim 3 wherein the air circuit system components include an air intake air circuit, a first connecting air circuit, a second connecting air circuit, a third connecting air circuit, and an air charging air circuit, the air intake air circuit being connected to the cylinders of the first stage compressor, the cylinders of the first stage compressor being connected to the first stage dryer tank via the first connecting air circuit, the second connecting air circuit being connected to the cylinders of the first and second stage compressors; the air cylinder of the second-stage compressor is connected with the second-stage drying tank through a third connecting air circuit; one end of the air inflation path is connected with the air cylinder of the second-stage compressor and the second-stage drying tank, and the other end of the air inflation path is connected with the high-pressure air storage tank and the air spring through an air distribution valve in the air inflation path.
5. An air suspension compressor unit according to claim 4, wherein the air supply path is divided into a normal air supply path, a rapid air supply path and an air distribution valve, the normal air supply path is sucked from the atmosphere through the air distribution valve, one end of the normal air supply path is connected with the air cylinder of the second stage compressor, and the other end of the normal air supply path is connected with the air spring and the high pressure air storage tank through the air distribution valve; one end of the rapid air charging circuit is connected with the high-pressure air storage tank, and the other end of the rapid air charging circuit is connected with the air spring through the air cylinder of the second-stage compressor, the second-stage dryer and the air distributing valve in sequence.
6. An air suspension compressor package as recited in claim 5 wherein said air intake path includes a laplace valve.
7. An air suspension compressor package as recited in claim 6 wherein said first stage dryer has a heat sink function.
8. An air suspension compressor unit as claimed in any one of claims 3 to 7, characterized by being divided into a normal inflation mode and a rapid inflation mode, wherein said normal inflation mode is: the external air enters the cylinder of the first-stage compressor through the air inlet air path, the high-pressure air compressed by the first-stage compressor enters the first-stage drying tank through the first connecting air path, the compressed air cooled and dried in the first-stage drying tank enters the cylinder of the second-stage compressor through the second connecting pipeline, the compressed air compressed by the second-stage compressor enters the second-stage drying tank through the third connecting pipeline, and after the compressed air in the second-stage drying tank is dehydrated, the compressed air is distributed to the second-stage drying tank through the normal air charging air path and the air distribution valve according to the running state mode of the vehicle, the air storage tank and the pressure of the air spring through the air distribution valve; the rapid inflation mode is: compressed air in the high-pressure air storage tank is connected into the air cylinder of the second-stage compressor through the quick air charging air circuit, enters the second-stage drying tank through the third connecting pipeline after being compressed by the second-stage compressor, and enters the air spring through the quick air charging air circuit after being dehydrated by the compressed air in the second-stage drying tank, so that quick air charging of the air spring is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311165156.0A CN117231464A (en) | 2023-09-11 | 2023-09-11 | Air suspension compressor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311165156.0A CN117231464A (en) | 2023-09-11 | 2023-09-11 | Air suspension compressor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117231464A true CN117231464A (en) | 2023-12-15 |
Family
ID=89095978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311165156.0A Pending CN117231464A (en) | 2023-09-11 | 2023-09-11 | Air suspension compressor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117231464A (en) |
-
2023
- 2023-09-11 CN CN202311165156.0A patent/CN117231464A/en active Pending
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