CN107187289A - A kind of pneumatic type bodywork height regulating system - Google Patents
A kind of pneumatic type bodywork height regulating system Download PDFInfo
- Publication number
- CN107187289A CN107187289A CN201710427370.7A CN201710427370A CN107187289A CN 107187289 A CN107187289 A CN 107187289A CN 201710427370 A CN201710427370 A CN 201710427370A CN 107187289 A CN107187289 A CN 107187289A
- Authority
- CN
- China
- Prior art keywords
- caisson
- air
- height
- control system
- air spring
- 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.)
- Pending
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
- B60G17/0155—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit pneumatic unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/016—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0165—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0525—Height adjusting or levelling valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of controller of vehicle, specifically a kind of pneumatic type bodywork height regulating system, including the caisson on vehicle, height sensor and the air spring on propons and back axle, car door detection means and control system are additionally provided with the system, it is characterised in that:The caisson is connected by connecting line with air spring, connected in the connecting line air pretreatment system, with the above mentioned technical proposal, a kind of pneumatic type bodywork height regulating system of the present invention, the pump machine of air compressor is controlled by receiving signal that vehicle body each sensor sends, air bleeding valve and magnetic valve, so as to adjust the air pressure size in air spring, reach the purpose for maintaining bodywork height constant, when vehicle capacity increases or reduces, the system can be inflated for deflated to air spring, to ensure that bodywork height is in optimum position all the time, improve the ride comfort of vehicle.
Description
Technical field
The present invention relates to a kind of controller of vehicle, specifically a kind of pneumatic type bodywork height regulating system.
Background technology
Air spring is automatically adjusted by air pressure, thus it is possible to vary the rigidity of air spring, so as to be effectively improved vehicle
Comfortableness, control stability, reduce the destruction of vehicle road pavement.This technology is gradually obtained extensively by electronic control air suspension system
General application, also makes electronic control air suspension turn into the development trend of Shape Of Things To Come suspension.Tire is automatically adjusted by air pressure, can be changed
Become the rigidity and contact area with ground of tire, so as to improve vehicle by performance and comfortableness.This technology
It is widely used by central tire air-charging and air-discharging system on heavy-duty off-road vehicle, special vehicle.
Can by the inflation/deflation to air bag, to adjust the height of spring rate and vehicle body, when by severe road surface,
Lifted bodywork height, with improve vehicle by property;And when in the road traveling more smoothed out, bodywork height can be reduced,
To obtain good control stability.When the load of the left and right sides of vehicle is unbalanced, also can by the inflation/deflation to air bag,
To ensure the level of vehicle posture.
The content of the invention
It is not enough in order to make up the above, the invention provides a kind of height by pneumatic regulation air spring, to ensure car
Height degree is in optimum position, the pneumatic type bodywork height regulating system of the smooth-going of vehicle is improved, to solve above-mentioned background technology
Middle the problem of.
The technical scheme is that:
A kind of pneumatic type bodywork height regulating system, including caisson, height sensor and peace on vehicle
Car door detection means and control system are additionally provided with air spring on propons and back axle, the system, it is characterised in that:
The caisson is connected by connecting line with air spring, air pretreatment system of being connected in the connecting line, described
Air pretreatment system includes pre- caisson and the magnetic valve being arranged on pre- caisson air inlet pipeline and outlet pipe, two
Magnetic valve is located at the pipe between the pipeline between pre- caisson and air spring and pre- caisson and caisson respectively
Lu Shang, the pre- caisson is set close to air spring, and the magnetic valve is connected with control system.
As preferred technical scheme, the caisson is connected to be all provided with inside air pump, caisson and pre- caisson
Pressure sensor device is put, the air pump and pressure sensor device are connected with control system, the height sensor is arranged on vehicle
Front-rear axle on.
As preferred technical scheme,
The height sensor measures bodywork height in real time, and signal is passed into control system;
Whether car door detection means detection car door is opened;
Under the non-opening of car door, the control system controls the magnetic valve between pre- caisson and caisson to open
Open, pre- caisson air inlet;
When height sensor, which measures bodywork height, reaches preset value, control system controls pre- caisson and air bullet
Magnetic valve between spring is opened, and the air air inlet spring in pre- caisson adjusts bodywork height;
The bodywork height of height sensor measurement leaves preset value, control system control closed electromagnetic valve;
Air pressure numerical value inside pre- caisson and caisson is sent to control system, control system by pressure sensor
By the numerical value and setting numeric ratio pair, the unlatching of control air pump and magnetic valve, to pre- caisson and caisson inner inflatable
Or deflate.
As preferred technical scheme, the bodywork height numerical value of the height sensor measurement is curve of cyclical fluctuations numerical value, control
System processed is compared according to fluctuation numerical value with preset value, and control system is according to comparison result to pre- caisson and air spring
Between magnetic valve output signal, the pre- caisson fills into air spring according to the comparison of the curve of cyclical fluctuations numerical value, puts
Gas.
As preferred technical scheme, height preset value is set in the control system, when height sensor measured value
During less than the height preset value, pre- caisson is inflated to air bag, when height sensor measured value is highly pre- higher than this
If during value, the magnetic valve between the air bleeding valve and pre- caisson and air spring that are arranged on air spring is in control system
Control under open, action is exhausted.
As preferred technical scheme, height sensor transmission is measured before bodywork height, is passed through in pre- caisson suitable
Measure air.
By adopting the above-described technical solution, a kind of pneumatic type bodywork height regulating system of the present invention, by connecing
Signal that body each sensor of returning the vehicle to the garage and knock off is sent controls pump machine, air bleeding valve and the magnetic valve of air compressor, so as to adjust air
Air pressure size in spring, reaches the purpose for maintaining bodywork height constant, when vehicle capacity increases or reduces, the system meeting
It is inflated for deflated to air spring, to ensure that bodywork height is in optimum position all the time, improve the ride comfort of vehicle.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the present invention.
Wherein, 101, caisson, 102, height sensor, 103, propons air spring, 104, back axle air spring,
105th, car door detection means, 106, control system, 107, pre- caisson, 108, magnetic valve, 109, air pump, 110, pressure sensing
Device.
Embodiment
Embodiment one:As shown in figure 1, a kind of pneumatic type bodywork height regulating system of the present invention, including installed in
Caisson 101, height sensor 102 on vehicle and the air spring on propons and back axle, the caisson
Installed for gas receiver, at the propons and back axle air spring 104, the gas storage are installed at propons air spring 103, the back axle
Cylinder is connected by sealed connecting line with air spring, and air, air spring are injected into air spring by the pipeline
Improved after injection air and car door detection means 105 and control system 106, the height are additionally provided with bodywork height, the system
Sensor 102 is used to measure bodywork height and the metrical information is passed into control system 106, the car door detection means 105
Opening or closure state are in for measuring car door, and equally passes it to control system 106.
The caisson 101 is connected by connecting line with air spring, positioned at caisson 101 and air spring it
Between connecting line in connect air pretreatment system, the air pretreatment system includes pre- caisson 107 and is arranged on
Magnetic valve 108 on the pre- air inlet pipeline of caisson 107 and outlet pipe, the pre- caisson 107 is that capacity is less than gas storage
Second inflator of tank, two magnetic valves 108 are located at pipeline and pre- caisson between pre- caisson and air spring respectively
On pipeline between 107 and caisson 101, air can control in caisson 101, pre- caisson by magnetic valve 108
Circulated between 107 and air spring, the pre- caisson 107 is set close to air spring, it is pre- advanced in pre- caisson 107
Enter air, shorten the time of air air inlet spring, and the air subsequently entered in pre- caisson can uninterruptedly enter sky
In gas spring, it is ensured that normally use, the magnetic valve 108 is connected with control system.
The caisson 101 connects air pump 109, caisson 101 is inflated by air pump 109, caisson
101 and pre- caisson 107 inside be respectively provided with pressure sensor device 110, for perceiving gas pressure in gas receiver and the second inflator
Force value, is adjusted, the air pump and pressure sensor device are connected with control system, the height sensor according to setting numerical value
On the front-rear axle of vehicle.
The height sensor measures bodywork height in real time, signal is passed into control system, control system is by system
Preset value be compared with measured value;
Whether car door detection means detection car door is opened;
Under car door opening state, control system does not send control signal;
Under the non-opening of car door, the control system controls the magnetic valve between pre- caisson and caisson to open
Open, air inlet in pre- caisson;
When height sensor 102, which measures bodywork height, reaches preset value, control system 106 controls pre- caisson
Magnetic valve 108 between 107 and air spring is opened, the air air inlet spring in pre- caisson 107, and regulation vehicle body is high
Degree;
Preset value S1, high preset value S2 and low preset value S3 are set in the control system, bodywork height is between S1-S2
When, inflate, when bodywork height is between S1-S3, air spring is vented into air spring.
The bodywork height that height sensor 102 is measured leaves preset value, the control closed electromagnetic valve of control system 106;
Air pressure numerical value inside pre- caisson 107 and caisson 101 is sent to control system by pressure sensor 110
106, control system 106 fills the numerical value and setting numeric ratio pair, the unlatching of control air pump 109 and magnetic valve 108 to pre- gas storage
Put 107 and the inner inflatable of caisson 101 or deflation.
The bodywork height numerical value that the height sensor 102 is measured is curve of cyclical fluctuations numerical value, and control system 106 is according to fluctuation
Numerical value is compared with preset value, and control system 106 is according to comparison result to the electricity between pre- caisson 107 and air spring
The output signal of magnet valve 108, the pre- caisson 107 fills into air spring according to the comparison of the curve of cyclical fluctuations numerical value, deflated.
Height preset value is set in the control system 106, when the measured value of height sensor 102 is default less than the height
During value, pre- caisson 107 is inflated to air bag, when the measured value of height sensor 102 is higher than the height preset value, if
The magnetic valve 108 between the air bleeding valve and pre- caisson 107 and air spring on air spring is put in control system 106
Control under open, action is exhausted.
Before the transmission measurement bodywork height of height sensor 102, appropriate air is passed through in pre- caisson 107, is being carried out
When inflation is acted, quickly air spring can be inflated.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. a kind of pneumatic type bodywork height regulating system, including caisson, height sensor and installation on vehicle
Car door detection means and control system are additionally provided with air spring on propons and back axle, the system, it is characterised in that:Institute
State caisson by connecting line with air spring to be connected, air pretreatment system of connecting in the connecting line, the sky
Gas pretreating system includes pre- caisson and the magnetic valve being arranged on pre- caisson air inlet pipeline and outlet pipe, two electricity
Magnet valve is located at the pipeline between the pipeline between pre- caisson and air spring and pre- caisson and caisson respectively
On, the pre- caisson is set close to air spring, and the magnetic valve is connected with control system.
2. a kind of pneumatic type bodywork height regulating system as claimed in claim 1, it is characterised in that:The caisson connection
Pressure sensor device, the air pump and pressure sensor device and control are respectively provided with inside air pump, caisson and pre- caisson
System is connected, and the height sensor is arranged on the front-rear axle of vehicle.
3. a kind of pneumatic type bodywork height regulating system as claimed in claim 2, it is characterised in that:
The height sensor measures bodywork height in real time, and signal is passed into control system;
Whether car door detection means detection car door is opened;
Under the non-opening of car door, the control system controls the magnetic valve between pre- caisson and caisson to open,
Pre- caisson air inlet;
When height sensor, which measures bodywork height, reaches preset value, control system control pre- caisson and air spring it
Between magnetic valve open, the air air inlet spring in pre- caisson adjusts bodywork height;
The bodywork height of height sensor measurement leaves preset value, control system control closed electromagnetic valve;
Air pressure numerical value inside pre- caisson and caisson is sent to control system by pressure sensor, and control system should
Numerical value and setting numeric ratio pair, the unlatching of control air pump and magnetic valve to pre- caisson and caisson inner inflatable or are put
Gas.
4. a kind of pneumatic type bodywork height regulating system as claimed in claim 3, it is characterised in that:The height sensor is surveyed
The bodywork height numerical value of amount is curve of cyclical fluctuations numerical value, and control system is compared according to fluctuation numerical value with preset value, control system
According to comparison result to the magnetic valve output signal between pre- caisson and air spring, the pre- caisson is according to the ripple
The comparison of moving curve numerical value is filled into air spring, deflated.
5. a kind of pneumatic type bodywork height regulating system as claimed in claim 3, it is characterised in that:Set in the control system
Height preset value is put, when height sensor measured value is less than the height preset value, pre- caisson is inflated to air bag,
When height sensor measured value is higher than the height preset value, the air bleeding valve and pre- caisson that are arranged on air spring with
Magnetic valve between air spring is opened under control of the control system, and action is exhausted.
6. a kind of pneumatic type bodywork height regulating system as claimed in claim 5, it is characterised in that:Height sensor transmission is surveyed
Measure before bodywork height, appropriate air is passed through in pre- caisson.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710427370.7A CN107187289A (en) | 2017-06-08 | 2017-06-08 | A kind of pneumatic type bodywork height regulating system |
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Application Number | Priority Date | Filing Date | Title |
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CN201710427370.7A CN107187289A (en) | 2017-06-08 | 2017-06-08 | A kind of pneumatic type bodywork height regulating system |
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CN107187289A true CN107187289A (en) | 2017-09-22 |
Family
ID=59876459
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CN201710427370.7A Pending CN107187289A (en) | 2017-06-08 | 2017-06-08 | A kind of pneumatic type bodywork height regulating system |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109649106A (en) * | 2018-12-03 | 2019-04-19 | 珠海格力电器股份有限公司 | A kind of air suspension height control system and control method |
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CN203267698U (en) * | 2013-04-28 | 2013-11-06 | 繁昌县金科机电科技有限公司 | Automobile independent suspension |
CN103419590A (en) * | 2013-07-31 | 2013-12-04 | 江苏大学 | Mass flow rate self-stabilization device of air suspension vehicle body height adjustment system |
CN103419591A (en) * | 2013-07-31 | 2013-12-04 | 江苏大学 | High-pressure air source self-stabilization device of air suspension vehicle body height adjustment system |
CN103660837A (en) * | 2013-12-09 | 2014-03-26 | 深圳市德平国瀚汽车电子科技有限公司 | AHC height control system and vehicle |
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 |
-
2017
- 2017-06-08 CN CN201710427370.7A patent/CN107187289A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203267698U (en) * | 2013-04-28 | 2013-11-06 | 繁昌县金科机电科技有限公司 | Automobile independent suspension |
CN103419590A (en) * | 2013-07-31 | 2013-12-04 | 江苏大学 | Mass flow rate self-stabilization device of air suspension vehicle body height adjustment system |
CN103419591A (en) * | 2013-07-31 | 2013-12-04 | 江苏大学 | High-pressure air source self-stabilization device of air suspension vehicle body height adjustment 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 |
CN103660837A (en) * | 2013-12-09 | 2014-03-26 | 深圳市德平国瀚汽车电子科技有限公司 | AHC height control system and vehicle |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109649106A (en) * | 2018-12-03 | 2019-04-19 | 珠海格力电器股份有限公司 | A kind of air suspension height control system and control method |
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Application publication date: 20170922 |