CN210363258U - Closed-loop air pump - Google Patents
Closed-loop air pump Download PDFInfo
- Publication number
- CN210363258U CN210363258U CN201921124242.6U CN201921124242U CN210363258U CN 210363258 U CN210363258 U CN 210363258U CN 201921124242 U CN201921124242 U CN 201921124242U CN 210363258 U CN210363258 U CN 210363258U
- Authority
- CN
- China
- Prior art keywords
- valve
- air
- way
- electromagnetic valve
- way electromagnetic
- 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.)
- Active
Links
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model relates to the field of air pumps, in particular to a closed-loop air pump, which comprises a driving unit, a control unit and a prepressing air storage tank, wherein the driving unit comprises a two-position three-way electromagnetic valve, a compressor, a throttle valve, a one-way valve and a dryer, and the two-position three-way electromagnetic valve comprises a first two-position three-way electromagnetic valve and a second two-position three-way electromagnetic valve; the control unit includes pressure sensor, discharge valve and two solenoid valves, two solenoid valves include first two solenoid valves, two solenoid valves of second, two solenoid valves of third and two solenoid valves of fourth, through being provided with air feed pressure mouth, atmosphere air inlet respectively with the discharge valve in the control unit and the air inlet of each solenoid valve be connected with the first two three-way solenoid valve as the public valve, prepressing gas storage tank mouth is equipped with the admission valve in addition, realizes air inlet exhaust automatic control, job stabilization nature is high.
Description
Technical Field
The utility model relates to an air pump field specifically is a closed loop air pump.
Background
Electronically controlled suspension control systems typically employ open loop control. The open-loop control is that the air for lifting the vehicle body is directly obtained from the outside atmosphere, when the vehicle body is required to be lifted, the air is sucked from the atmosphere through the electric air pump to inflate the air spring, so that the lifting quotient of the vehicle body is realized; when the vehicle body is required to be lowered, the air in the air spring is directly exhausted to the atmosphere through the exhaust valve, so that the effect of lowering the vehicle body is achieved. Open loop control, because of frequent interaction with the atmosphere during operation, moisture in the atmosphere inevitably enters the dispensing valve of the system, thereby adversely affecting salable operation of the dispensing valve.
Disclosure of Invention
In order to achieve the above object, the utility model provides a following technical scheme: a closed-loop air pump comprises a driving unit, a control unit and a pre-pressing air storage tank, wherein the driving unit comprises a two-position three-way electromagnetic valve, a compressor, a throttling valve, a one-way valve and a dryer, and the two-position three-way electromagnetic valve comprises a first two-position three-way electromagnetic valve and a second two-position three-way electromagnetic valve;
the control unit comprises a pressure sensor, an exhaust valve and a two-position two-way electromagnetic valve, wherein the two-position two-way electromagnetic valve comprises a first two-position two-way electromagnetic valve, a second two-position two-way electromagnetic valve, a third two-position two-way electromagnetic valve and a fourth two-position two-way electromagnetic valve;
the air supply pressure port of the first two-position three-way electromagnetic valve is respectively connected with air inlet ports of an exhaust valve, the first two-position two-way electromagnetic valve, the second two-position two-way electromagnetic valve, the third two-position two-way electromagnetic valve and the fourth two-position two-way electromagnetic valve, the second air outlet port of the first two-position three-way electromagnetic valve is connected with the air outlet port of the compressor through an air supply pressure line, the air outlet port of the compressor is connected with the air inlet port of the dryer through a storage pressure pipeline, the air outlet port of the dryer is connected with two one-way valves, one of the one-way valves is connected with the atmosphere, the other one-way valve is connected with the second air outlet port of the second two-position three-way electromagnetic valve, and the air inlet port; an air inlet of the second two-position three-way electromagnetic valve is connected with an air storage tank opening of the pre-pressing air storage tank;
the pressure sensor is arranged in a connecting pipeline connecting the air supply pressure port and the control unit.
Further, the air outlet of the exhaust valve is connected with the atmosphere.
Further, the air outlets of the first two-position two-way solenoid valve, the second two-position two-way solenoid valve, the third two-position two-way solenoid valve and the fourth two-position two-way solenoid valve are respectively connected with a first air spring support, a second air spring support, a third air spring support and a fourth air spring support.
Furthermore, the opening of the air storage tank is connected with an air inlet valve.
Furthermore, two ends of the throttle valve are connected with two ends of the one-way valve through a bypass.
The utility model has the advantages that: the air supply pressure port and the atmosphere air inlet are respectively connected with the exhaust valve in the control unit and the air inlet of each electromagnetic valve and connected with the first two-position three-way electromagnetic valve serving as a common valve, and the air inlet valve is arranged at the opening of the prepressing air storage tank, so that automatic control of air inlet and exhaust is realized, and the working stability is high.
Drawings
FIG. 1 is a schematic diagram of a closed-loop air pump control system according to an embodiment of the present invention;
FIG. 2 is a schematic view of the present invention illustrating air supply;
FIG. 3 is a schematic view of a blowback according to an embodiment of the present invention;
FIG. 4 is a schematic view of a pump according to an embodiment of the present invention;
FIG. 5 is a schematic view of a tank inflation system according to an embodiment of the present invention;
FIG. 6 is a schematic view of an embodiment of the present invention;
in the figure: 1-a drive unit; 2-a control unit; 3-a first air spring strut; 4-a second air spring strut; 5-a third air spring strut; 6-a fourth air spring strut; 7-prepressing the gas storage tank; 8-a compressor; 9-an air inlet pipeline; 10-atmospheric air intake; 11-storage pressure line; 12-a dryer; 13-a one-way valve; 14-gas tank port; 15-an air inlet valve; 16-bypass; 17-a throttle valve; 19-gas supply pressure line; 20-air supply pressure port; 21-a first two-position two-way electromagnetic valve; 22-a second two-position two-way solenoid valve; 23-a third two-position two-way solenoid valve; 24-a fourth two-position two-way solenoid valve; 25-an exhaust valve; 26-a pressure sensor; 27-a first two-position three-way solenoid valve; 28-second two-position three-way solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the closed-loop air pump of the present invention comprises a driving unit 1, a control unit 2 and a pre-compressed air storage tank 7, wherein the driving unit 1 comprises a two-position three-way solenoid valve, a compressor 8, a throttle valve 17, a one-way valve 13 and a dryer 12, wherein the two-position three-way solenoid valve comprises a first two-position three-way solenoid valve 27 and a second two-position three-way solenoid valve 28;
the control unit comprises a pressure sensor 26, an exhaust valve 25 and a two-position two-way solenoid valve, wherein the two-position two-way solenoid valve comprises a first two-position two-way solenoid valve 21, a second two-position two-way solenoid valve 22, a third two-position two-way solenoid valve 23 and a fourth two-position two-way solenoid valve 24;
the air supply pressure port of the first two-position three-way electromagnetic valve 27 is respectively connected with air inlets of an exhaust valve 25, a first two-position two-way electromagnetic valve 21, a second two-position two-way electromagnetic valve 22, a third two-position two-way electromagnetic valve 23 and a fourth two-position two-way electromagnetic valve 24, a second air outlet of the first two-position three-way electromagnetic valve is connected with an air outlet of a compressor 8 through an air supply pressure line, an air outlet of the compressor 8 is connected with an air inlet of a dryer 12 through a storage pressure pipeline 11, an air outlet of the dryer 12 is connected with two one-way valves 13, one of the one-way valves 13 is connected with the atmosphere, the other one-way valve 13 is connected with a second air outlet of the second two-position three-way electromagnetic valve 28, and the air inlet of the compressor 8 is respectively connected with a first air outlet of; an air inlet of the second two-position three-way electromagnetic valve 28 is connected with an air storage tank opening 14 of the pre-pressing air storage tank 7;
the pressure sensor 26 is installed in a connection pipe connecting the air supply pressure port 20 and the control unit 2.
Further, the air outlet of the exhaust valve 25 is connected with the atmosphere.
Further, the air outlets of the first two-position two-way solenoid valve 21, the second two-position two-way solenoid valve 22, the third two-position two-way solenoid valve 23 and the fourth two-position two-way solenoid valve 24 are respectively connected with the first air spring support 3, the second air spring support 4, the third air spring support 5 and the fourth air spring support 6.
Further, the air tank port 14 is connected with an air inlet valve 15.
Further, both ends of the throttle valve 17 are connected to both ends of the check valve 13 through a bypass.
For better understanding of the present invention, the following further description of the present invention is made according to the accompanying drawings:
fig. 2, the gas in the gas storage tank is replenished to a set value, the driving unit is started, the atmosphere is sucked through the air inlet 10 leading to the atmosphere, the moisture is filtered through the air inlet pipeline 9 and the compressor 8 by the drier 12, enters the one-way valve 13, and enters the gas storage tank 7 through the second two-position three-way electromagnetic valve 28 by flowing through the gas storage tank port 14; after passing through the compressor 8, a part of the gas enters the first two-position three-way solenoid valve 27 through the gas supply pressure line 19, passes through the gas supply pressure port 20, and reaches the pressure value of the gas storage tank 7 judged by the pressure sensor 26.
Referring to fig. 3, the moisture in the dryer is blown away, the gas in the gas storage tank 7 flows through the throttle valve 17 via the second gas outlet of the second two-position three-way solenoid valve 28 after opening the gas storage tank port 14, then passes through the dryer 12, and then enters the exhaust valve 25 via the gas supply pressure port 20 via the first two-position three-way solenoid valve 27, and then enters the atmosphere via the gas outlet of the exhaust valve 25.
Fig. 4 shows that the pump is charged, and after the compressor is started, the gas in the gas storage tank 7 is charged into one of the air spring support columns, as an example, the gas in the gas storage tank 7 is charged into the first air spring support column 3, the compressor 8 is started, the gas in the gas storage tank 7 enters the second two-position three-way electromagnetic valve 28 through the gas storage tank port 14, enters the compressor 8 through the first gas outlet of the second two-position three-way electromagnetic valve 28 and the one-way valve, then flows into the first two-position two-way electromagnetic valve 21 through the first two-position three-way electromagnetic valve 27 by the gas supply pressure line 19, enters the first air spring support column 3 through the gas outlet of the first two-position two-way electromagnetic valve 21, and partial gas is subjected to pressure measurement by the pressure.
In fig. 5, the tank is inflated, the compressor 8 is not started, and the gas in the gas storage tank 8 is inflated into a certain air spring, and the gas flow direction is the same as that of the pump in fig. 3, which is not described herein again.
Fig. 6 shows the air in one of the air spring support columns being exhausted to the air reservoir, taking the first air spring support column 3 as an example; the gas in the first air spring strut 3 is divided into two parts by the first two-position two-way solenoid valve 21, the first part flows to the first two-position three-way solenoid valve 27, the other part flows to the pressure sensor 26, flows to the gas inlet of the first two-position three-way solenoid valve 27, flows to the compressor 8 through the first gas outlet of the first two-position three-way solenoid valve 27, enters the second two-position three-way solenoid valve 28 through the check valve 13, then enters the gas storage tank through the gas storage tank port 14, and the pressure value of the gas storage tank is judged by the pressure sensor 26.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a closed loop air pump, includes drive unit (1), the control unit (2) and pre-compaction gas holder (7), its characterized in that: the driving unit (1) comprises a two-position three-way electromagnetic valve, a compressor (8), a throttle valve (17), a one-way valve (13) and a dryer (12), wherein the two-position three-way electromagnetic valve comprises a first two-position three-way electromagnetic valve (27) and a second two-position three-way electromagnetic valve (28);
the control unit comprises a pressure sensor (26), an exhaust valve (25) and a two-position two-way electromagnetic valve, wherein the two-position two-way electromagnetic valve comprises a first two-position two-way electromagnetic valve (21), a second two-position two-way electromagnetic valve (22), a third two-position two-way electromagnetic valve (23) and a fourth two-position two-way electromagnetic valve (24);
the air supply pressure port of first two-position three-way solenoid valve (27) is connected with the air inlet of exhaust valve (25), first two-position two-way solenoid valve (21), second two-position two-way solenoid valve (22), third two-position two-way solenoid valve (23) and fourth two-position two-way solenoid valve (24) respectively, and its second air outlet is connected at the air outlet of compressor (8) through the air supply pressure line, the air inlet of desicator (12) is connected through storage pressure pipeline (11) to the air outlet of compressor (8), two check valves (13) are connected to the air outlet of desicator (12), wherein one check valve (13) is connected with atmosphere, and another check valve (13) is connected with the second air outlet of second two-position three-way solenoid valve (28), the air inlet of compressor (8) is connected with the first air outlet and atmosphere air inlet (10) of first two-position three-way solenoid valve (27) and second three-way solenoid valve (28) respectively through three check valves (13) (ii) a An air inlet of the second two-position three-way electromagnetic valve (28) is connected with an air storage tank opening (14) of the pre-pressing air storage tank (7);
the pressure sensor (26) is arranged in a connecting pipeline connecting the air supply pressure port (20) and the control unit (2).
2. A closed loop air pump as claimed in claim 1, wherein: and the air outlet of the exhaust valve (25) is connected with the atmosphere.
3. A closed loop air pump as claimed in claim 1, wherein: the air outlets of the first two-position two-way electromagnetic valve (21), the second two-position two-way electromagnetic valve (22), the third two-position two-way electromagnetic valve (23) and the fourth two-position two-way electromagnetic valve (24) are respectively connected with a first air spring support (3), a second air spring support (4), a third air spring support (5) and a fourth air spring support (6).
4. A closed loop air pump as claimed in claim 1, wherein: the air storage tank opening (14) is connected with an air inlet valve (15).
5. A closed loop air pump as claimed in claim 1, wherein: and two ends of the throttle valve (17) are connected with two ends of the one-way valve (13) through a bypass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124242.6U CN210363258U (en) | 2019-07-18 | 2019-07-18 | Closed-loop air pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124242.6U CN210363258U (en) | 2019-07-18 | 2019-07-18 | Closed-loop air pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210363258U true CN210363258U (en) | 2020-04-21 |
Family
ID=70272076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921124242.6U Active CN210363258U (en) | 2019-07-18 | 2019-07-18 | Closed-loop air pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210363258U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667984A (en) * | 2020-07-01 | 2020-09-15 | 广东电网有限责任公司 | Pressure regulating device and total station system |
| CN114704767A (en) * | 2022-04-14 | 2022-07-05 | 浙江孔辉汽车科技有限公司 | Air spring integrated air source device |
-
2019
- 2019-07-18 CN CN201921124242.6U patent/CN210363258U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111667984A (en) * | 2020-07-01 | 2020-09-15 | 广东电网有限责任公司 | Pressure regulating device and total station system |
| CN111667984B (en) * | 2020-07-01 | 2021-07-27 | 广东电网有限责任公司 | Pressure regulating device and total station system |
| CN114704767A (en) * | 2022-04-14 | 2022-07-05 | 浙江孔辉汽车科技有限公司 | Air spring integrated air source device |
| CN114704767B (en) * | 2022-04-14 | 2023-10-10 | 浙江孔辉汽车科技有限公司 | Air spring integrated air source device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106976373B (en) | Air manager system and method for operating it | |
| US7862061B2 (en) | Air suspension system | |
| CN210363258U (en) | Closed-loop air pump | |
| JP4334294B2 (en) | Closed vehicle height adjustment device for vehicles with two pressure accumulators | |
| US20040262986A1 (en) | Air supply system for a motor vehicle | |
| US9829248B2 (en) | Dryer circuit for a pneumatic regulating device of a vehicle | |
| US20020070523A1 (en) | Air suspension having a closed compressed-air system | |
| CN107614296B (en) | Air suspension system | |
| KR102472771B1 (en) | air suspension system | |
| JP5221690B2 (en) | Air suspension | |
| JP6746720B2 (en) | Suspension system | |
| CN107000532A (en) | Air suspension apparatus | |
| CN111994062B (en) | Air brake air dryer, air brake control system and vehicle | |
| CN108883682B (en) | Air suspension system | |
| CN107670471A (en) | Automobile electrically-controlled air dryer | |
| CN112473329A (en) | Electric control compressed air drying equipment and control method thereof | |
| CN220594586U (en) | Gas supply system and air spring system with same | |
| CN117507730A (en) | Air suspension control system and control method thereof | |
| KR102562114B1 (en) | Air suspension pneumatic circuit | |
| JP4327379B2 (en) | Vehicle air suspension | |
| CN215654610U (en) | Electric control compressed air drying equipment | |
| CN220129906U (en) | Vehicle gas circuit governing system and vehicle | |
| CN208320408U (en) | A kind of automatically controlled drier | |
| CN211116511U (en) | Air compressor system | |
| JP2019038500A (en) | Suspension system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200602 Address after: Room 501, unit 2, building 9, No.21, Nanchang Road, Sifang District, Qingdao City, Shandong Province Patentee after: Zhang Guangshi Address before: 266100 Jindun Gas Station, Dazhou Village Community, Qingwei Road, Chengyang District, Qingdao City, Shandong Province, 200 meters east Patentee before: Qingdao Jiyu Jiecheng Vehicle Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200918 Address after: No.2-13, Tianrun Road, Wendeng Economic Development Zone, Weihai City, Shandong Province Patentee after: Tianrun intelligent control system integration Co., Ltd Address before: Room 501, unit 2, building 9, No.21, Nanchang Road, Sifang District, Qingdao City, Shandong Province Patentee before: Zhang Guangshi |
|
| TR01 | Transfer of patent right |