CN201931958U - Closed-loop air circuit system for electric control air suspension - Google Patents
Closed-loop air circuit system for electric control air suspension Download PDFInfo
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- CN201931958U CN201931958U CN2011200584531U CN201120058453U CN201931958U CN 201931958 U CN201931958 U CN 201931958U CN 2011200584531 U CN2011200584531 U CN 2011200584531U CN 201120058453 U CN201120058453 U CN 201120058453U CN 201931958 U CN201931958 U CN 201931958U
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Abstract
The utility model discloses a closed-loop air circuit system for an electric control air suspension, which comprises an air storage tank, an air compressor, an air filter, a dryer, a conversion electromagnetic valve of an air inflation and deflation loop, switch electromagnetic valves for air inflation valves of air springs, an electromagnetic valve for an air compensation switch of an air circuit and a pipeline for connection. The on-off of the electromagnetic valves and the turning-on/off of the air compressor can be controlled by an ECU (electronic control unit) of an electric control air suspension system of a vehicle according to input vehicle information and a control strategy, so as to realize air inflation and deflation of each air spring of the air suspension of the vehicle, thereby changing the air pressure of each air spring, realizing the set target state of the vehicle and improving the operating stability of the vehicle. With the adoption of the closed-loop air circuit system, air cannot be directly deflated into the atmosphere air but can return to the air storage tank when each air spring is in air deflation, thereby realizing energy saving of the system and lowering the noise at the same time.
Description
Technical field
The utility model relates to the vehicle electrically controlling airsuspension system, particularly a kind of closed loop air-channel system of electronic control air suspension.
Background technology
The electronic control air suspension system reduces the destruction of vehicle road pavement owing to can improve the traveling comfort and the road-holding property of vehicle, is used widely gradually on vehicles such as passenger vehicle, lorry.
Fig. 1 is the air-channel system figure of present electronic control air suspension, the pressurized air that air compressor produces is stored in the storage tank (4) behind air dryer (2) and airfilter (3), storage tank (4) can be eliminated compressed-air actuated pressure pulsation, and can keep the air feed of short time when Air compressor breaks down.The electronic control unit of electronic control air suspension (10) receives the height of car information of height sensor (7) transmission that is installed on vehicle antero posterior axis (5,17), and controls the power on/off of all electromagnetic valves (11,12,13,14,15) of air-channel system according to control policy.When height of car need raise, electronic control unit opens two-position three way magnetic valve (11) and two-position two-way solenoid valve (12,13,14,15) energising by the output control signal, and the pressurized air in the storage tank (4) puts on the air to four air bellows (6,8,18,16) of vehicle antero posterior axis airsuspension system respectively through each electromagnetic valve.Then only need open two-position two-way solenoid valve corresponding and two-position three way magnetic valve if only need to the inflation of part air bellow with it.When height of car reaches the object height of setting, all closed electromagnetic valves, the air bellow inflation finishes.When height of car need reduce, electronic control unit output control signal was opened all two-position two-way solenoid valves, and then the air in the air bellow is crossed two-position two-way solenoid valve, two-position three way magnetic valve and noise silencer (9) exhaust to atmosphere.Then only need open two-position two-way solenoid valve corresponding if only need to the exhaust of part air bellow with it.
Because this open loop air-channel system is when exhaust, with the direct exhaust to atmosphere of the air in the air bellow, therefore, the open loop air-channel system makes airsuspension system in use cause a large amount of wastes of the energy.
Summary of the invention
For overcoming the shortcoming and defect of prior art, the purpose of this utility model is to propose a kind of closed loop air-channel system of electronic control air suspension, the degradation of energy that the air bellow that reduces present electronic control air suspension causes the direct exhaust to atmosphere of air during owing to exhaust in charging and discharging the gas process makes vehicle more energy-conservation.
The utility model is achieved through the following technical solutions:
A kind of closed loop air-channel system of electronic control air suspension, comprise storage tank, Air compressor, the storage tank air-channel system, be installed in the air bellow on the car antero posterior axis, be used to control the electronic control unit of air-channel system, it is characterized in that: described air-channel system comprises first electromagnetic valve that is interconnected, second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve, the 4th electromagnetic valve wherein, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve also is communicated with air bellow, described first electromagnetic valve also with storage tank, Air compressor is communicated with, electronic control unit respectively with storage tank, Air compressor, first electromagnetic valve, second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve is electrically connected, and described the 3rd electromagnetic valve also is connected with the main air-channel system of vehicle.
Described the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve are two-position two-way solenoid valve, and described first electromagnetic valve, second electromagnetic valve are two-position three way magnetic valve.
Also be connected with air dryer and airfilter between described first electromagnetic valve and the Air compressor.
Also be provided with height sensor on the described car antero posterior axis.
Described storage tank is provided with pressure sensor.
The utility model has following advantage and beneficial effect with respect to prior art: the utility model technological means is simple and easy to do, when air bellow is exitted, pressurized air in the air bellow is not direct exhaust to atmosphere, but send in the storage tank through Air compressor, thereby reduced compressed-air actuated degradation of energy, made the electronic control air suspension system have energy-conserving action;
The utility model realized the inflation of each air bellow in the vehicle air suspension or venting, changes the gaseous tension in the air bellow, makes vehicle reach the dbjective state of setting, improves the ride comfort and the road-holding property of vehicle.Adopt this closed loop air-channel system, air bellow when venting air is direct exhaust to atmosphere not, but comes back to storage tank, can realize the energy-conservation of system, and the while has also reduced noise, has positive application value.
Description of drawings
Fig. 1 is an air-channel system structural representation of using electronic control air suspension at present always;
Fig. 2 is the structural representation of the closed loop air-channel system of the utility model electronic control air suspension.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
As shown in Figure 2, the closed loop air-channel system of the utility model electronic control air suspension, comprise storage tank 1, Air compressor 6, storage tank 1 air-channel system, be installed in car antero posterior axis 7, air bellow 8 on 20,10,19,21, be used to control the electronic control unit 11 of air-channel system, described air-channel system comprises first electromagnetic valve 3 that is interconnected, second electromagnetic valve 12, the 3rd electromagnetic valve 13, the 4th electromagnetic valve 15, the 5th electromagnetic valve 16, the 6th electromagnetic valve 17, the 7th electromagnetic valve 18, the 4th electromagnetic valve 15 wherein, the 5th electromagnetic valve 16, the 6th electromagnetic valve 17, the 7th electromagnetic valve 18 also with air bellow 8,10,19,21 are communicated with, described first electromagnetic valve 3 also with storage tank 1, Air compressor 6 is communicated with, electronic control unit 11 respectively with storage tank 1, Air compressor 6, first electromagnetic valve 3, second electromagnetic valve 12, the 3rd electromagnetic valve 13, the 4th electromagnetic valve 15, the 5th electromagnetic valve 16, the 6th electromagnetic valve 17, the 7th electromagnetic valve 18 is electrically connected, and described the 3rd electromagnetic valve 13 also is connected with the main air-channel system 14 of vehicle.
Described the 3rd electromagnetic valve 13, the 4th electromagnetic valve 15, the 5th electromagnetic valve 16, the 6th electromagnetic valve 17, the 7th electromagnetic valve 18 are two-position two-way solenoid valve, and described first electromagnetic valve 3, second electromagnetic valve 12 are two-position three way magnetic valve.
Also be connected with air dryer 4 and airfilter 5 between described first electromagnetic valve 3 and the Air compressor 6.
Also be provided with height sensor 9 on the described car antero posterior axis 7,20.
Described storage tank (1) is provided with pressure sensor 2.
Shown in Figure 2, stored pressurized air in the storage tank 1 with certain pressure, the air pressure of pressure sensor 2 monitoring storage tanks, source of the gas 14 is the main air-channel system of vehicle, air bellow 8,10,19,21 is installed on the vehicle antero posterior axis 7,20.First electromagnetic valve 3,12 effects of second electromagnetic valve are for charging and discharging the air circuit conversion, wherein the 4th electromagnetic valve 15, the 5th electromagnetic valve 16, the 6th electromagnetic valve 17,18 effects of the 7th electromagnetic valve are the air cocks that charge and discharge for air bellow, and promptly each air bellow all has an electromagnetic valve corresponding with it.The information of the pressure sensor 2 of height sensor 9 and storage tank 1 is sent in the electronic control unit 11.The power on/off of all air-channel system electromagnetic valves of the present invention and the switch of Air compressor 6 are controlled according to input information and control policy by electronic control unit (ECU) 11 of electronic control air suspension system.Because pressure is bigger in the air-channel system of the present invention, simultaneously in order to obtain bigger charge air, all air-channel system electromagnetic valves can adopt the pilot-operated type solenoid directional control valve.
When to air bellow 8,10,19,21 inflations, 3 outages of first electromagnetic valve, 12 energisings of second electromagnetic valve, meanwhile, the vehicle antero posterior axis needs gas filed air bellow 8,10,19,21 cooresponding the 4th electromagnetic valves 15, the 5th electromagnetic valve 16, the 6th electromagnetic valve 17,18 energisings of the 7th electromagnetic valve to open, Air compressor 6 operations, gas circuit is in the inflation loop.Pressurized air in the storage tank 1 enters 10,8,21,19 pairs of air bellows of air bellow by each electromagnetic valve and puts on the air after passing through Air compressor 6 superchargings as source of the gas.After vehicle reaches dbjective state, all the electromagnetic valve outages of this air-channel system, gas circuit disconnects, and Air compressor is out of service simultaneously, and inflation finishes.If only need the inflation of part air bellow, then only cooresponding electromagnetic valve energising gets final product the outage of rest switch electromagnetic valve to the gas filed air bellow of needs in the gas replenishment process.
When air bellow 8,10,19,21 venting, 3 energisings of first electromagnetic valve, 12 outages of second electromagnetic valve, meanwhile, need air bellow 8,10,19,21 cooresponding the 4th electromagnetic valves 15, the 5th electromagnetic valve 16, the 6th electromagnetic valve 17,18 energisings of the 7th electromagnetic valve of venting to open, Air compressor 6 operations, gas circuit is in the venting loop.Air process electromagnetic valve in the air bellow 8,10,19,21, and by sending in the storage tank 1 after Air compressor 6 superchargings.After vehicle reaches dbjective state, all electromagnetic valve outages, gas circuit disconnects, and Air compressor is out of service simultaneously, and venting finishes.If only need the venting of part air bellow, then only cooresponding switch electromagnetic valve energising gets final product the outage of rest switch electromagnetic valve to the air bellow of needs venting in the deflation course.
Because source of the gas 14 is a vehicle single-piece master air feed gas circuit in the air-channel system of the present invention, so when the gas of air-channel system of the present invention reduces because of leakage, can be to first electromagnetic valve 3 and 12 energisings of second electromagnetic valve, all the other electromagnetic valve outages, and Air compressor 6 operations.Gas in the whole air feed gas circuit of vehicle just can enter storage tank 1 through the 3rd electromagnetic valve 13 and after Air compressor 6 superchargings, the deficiency of compensation air-channel system required air.Can close all electromagnetic valves and Air compressor 6 when pressure reaches initial setting pressure in the storage tank 1, gas circuit stops compensating air.Have only the pressure that detects storage tank 1 pressure sensor 2 when electronic control unit 11 during less than setup pressure value, it just can carry out gas circuit compensated with air program.
As mentioned above, the utility model has increased by two two-position three way magnetic valves with respect to the open loop air-channel system and has realized conversion between inflation and the venting loop, no matter make in venting still in the gas replenishment process, Air compressor 6 can both be worked, air is carried out supercharging, make air can enter air bellow or storage tank fast smoothly.During venting, the air in the air bellow is got back in the storage tank through electromagnetic valve, has reduced compressed-air actuated degradation of energy.
Just can realize the utility model preferably as mentioned above.
The foregoing description is the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spirit of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (5)
1. the closed loop air-channel system of an electronic control air suspension, comprise storage tank, Air compressor, the storage tank air-channel system, be installed in the air bellow on the car antero posterior axis, be used to control the electronic control unit of air-channel system, it is characterized in that: described air-channel system comprises first electromagnetic valve that is interconnected, second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve, the 4th electromagnetic valve wherein, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve also is communicated with air bellow, described first electromagnetic valve also with storage tank, Air compressor is communicated with, electronic control unit respectively with storage tank, Air compressor, first electromagnetic valve, second electromagnetic valve, the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve is electrically connected, and described the 3rd electromagnetic valve also is connected with the main air-channel system of vehicle.
2. the closed loop air-channel system of electronic control air suspension according to claim 1, it is characterized in that: described the 3rd electromagnetic valve, the 4th electromagnetic valve, the 5th electromagnetic valve, the 6th electromagnetic valve, the 7th electromagnetic valve are two-position two-way solenoid valve, and described first electromagnetic valve, second electromagnetic valve are two-position three way magnetic valve.
3. the closed loop air-channel system of electronic control air suspension according to claim 1 and 2 is characterized in that: also be connected with air dryer and airfilter between described first electromagnetic valve and the Air compressor.
4. the closed loop air-channel system of electronic control air suspension according to claim 3 is characterized in that: also be provided with height sensor on the described car antero posterior axis.
5. the closed loop air-channel system of electronic control air suspension according to claim 3, it is characterized in that: described storage tank is provided with pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200584531U CN201931958U (en) | 2011-03-08 | 2011-03-08 | Closed-loop air circuit system for electric control air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200584531U CN201931958U (en) | 2011-03-08 | 2011-03-08 | Closed-loop air circuit system for electric control air suspension |
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| Publication Number | Publication Date |
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| CN201931958U true CN201931958U (en) | 2011-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200584531U Expired - Fee Related CN201931958U (en) | 2011-03-08 | 2011-03-08 | Closed-loop air circuit system for electric control air suspension |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145643A (en) * | 2011-03-08 | 2011-08-10 | 华南理工大学 | Closed loop gas path system of electric control air suspension |
| CN103253101A (en) * | 2013-05-23 | 2013-08-21 | 江苏大学 | Self-pressurizing mechanism of closed-loop air suspension system |
| CN104476999A (en) * | 2014-12-09 | 2015-04-01 | 山东交通学院 | Active transport vehicle rollover prevention system on basis of air suspensions adjustment |
| CN104553662A (en) * | 2013-09-11 | 2015-04-29 | 盐城工业职业技术学院 | High-and-low pressure chamber closed-loop gas path electronic controlled air suspension system |
| CN104553659A (en) * | 2014-10-10 | 2015-04-29 | 青岛浩釜铭车辆科技有限公司 | Electrically controlled air suspension height adjustment control system |
| CN110315923A (en) * | 2019-08-06 | 2019-10-11 | 珠海格力电器股份有限公司 | A kind of gas path device, airsuspension system, automobile and its control method |
| CN110588560A (en) * | 2019-09-27 | 2019-12-20 | 安徽安凯汽车股份有限公司 | Passenger car drowning lifesaving device |
| CN113525007A (en) * | 2020-04-17 | 2021-10-22 | 陕西重型汽车有限公司 | Intelligent suspension system of automobile |
-
2011
- 2011-03-08 CN CN2011200584531U patent/CN201931958U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102145643A (en) * | 2011-03-08 | 2011-08-10 | 华南理工大学 | Closed loop gas path system of electric control air suspension |
| CN103253101A (en) * | 2013-05-23 | 2013-08-21 | 江苏大学 | Self-pressurizing mechanism of closed-loop air suspension system |
| CN104553662A (en) * | 2013-09-11 | 2015-04-29 | 盐城工业职业技术学院 | High-and-low pressure chamber closed-loop gas path electronic controlled air suspension system |
| CN104553659A (en) * | 2014-10-10 | 2015-04-29 | 青岛浩釜铭车辆科技有限公司 | Electrically controlled air suspension height adjustment control system |
| CN104553659B (en) * | 2014-10-10 | 2016-07-20 | 青岛浩釜铭车辆科技有限公司 | Electronic control air suspension height adjustable controls device |
| CN104476999A (en) * | 2014-12-09 | 2015-04-01 | 山东交通学院 | Active transport vehicle rollover prevention system on basis of air suspensions adjustment |
| CN110315923A (en) * | 2019-08-06 | 2019-10-11 | 珠海格力电器股份有限公司 | A kind of gas path device, airsuspension system, automobile and its control method |
| CN110315923B (en) * | 2019-08-06 | 2024-01-26 | 珠海格力电器股份有限公司 | Air circuit device, air suspension system, automobile and control method of automobile |
| CN110588560A (en) * | 2019-09-27 | 2019-12-20 | 安徽安凯汽车股份有限公司 | Passenger car drowning lifesaving device |
| CN113525007A (en) * | 2020-04-17 | 2021-10-22 | 陕西重型汽车有限公司 | Intelligent suspension system of automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110817 Termination date: 20140308 |