CN107187289A - A kind of pneumatic type bodywork height regulating system - Google Patents

A kind of pneumatic type bodywork height regulating system Download PDF

Info

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
Application number
CN201710427370.7A
Other languages
Chinese (zh)
Inventor
邓作标
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quzhou Long Ding Auto Parts Manufacturing Co Ltd
Original Assignee
Quzhou Long Ding Auto Parts Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Quzhou Long Ding Auto Parts Manufacturing Co Ltd filed Critical Quzhou Long Ding Auto Parts Manufacturing Co Ltd
Priority to CN201710427370.7A priority Critical patent/CN107187289A/en
Publication of CN107187289A publication Critical patent/CN107187289A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/015Resilient 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
    • B60G17/0152Resilient 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
    • B60G17/0155Resilient 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/015Resilient 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
    • B60G17/016Resilient 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
    • B60G17/0165Resilient 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00Resilient 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
    • B60G17/02Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/052Pneumatic spring characteristics
    • B60G17/0523Regulating distributors or valves for pneumatic springs
    • B60G17/0525Height adjusting or levelling valves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/10Type of spring
    • B60G2202/15Fluid spring
    • B60G2202/152Pneumatic 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

A kind of pneumatic type bodywork height regulating system
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.
CN201710427370.7A 2017-06-08 2017-06-08 A kind of pneumatic type bodywork height regulating system Pending CN107187289A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710427370.7A CN107187289A (en) 2017-06-08 2017-06-08 A kind of pneumatic type bodywork height regulating system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710427370.7A CN107187289A (en) 2017-06-08 2017-06-08 A kind of pneumatic type bodywork height regulating system

Publications (1)

Publication Number Publication Date
CN107187289A true CN107187289A (en) 2017-09-22

Family

ID=59876459

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710427370.7A Pending CN107187289A (en) 2017-06-08 2017-06-08 A kind of pneumatic type bodywork height regulating system

Country Status (1)

Country Link
CN (1) CN107187289A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Citations (5)

* Cited by examiner, † Cited by third party
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CA2483029C (en) Active adaptation of control algorithms for a central tire inflation system
CA2536100C (en) Air suspension system with air shut off valve
US7192012B2 (en) Air suspension system with supply air restriction valve
US6594566B1 (en) Method for the automatic operation of a tire inflation device for motor vehicles
US9278587B2 (en) Tire inflation system and method of control
CN103950434B (en) A kind of supporting leg, which contacts to earth, supports decision maker and method
CN107053988A (en) Suspension system
CN105059075A (en) Two-stage regulating system and method of height of car body
CN110154653B (en) Automatic inflation and deflation device for vehicle tires and control method thereof
CN107187289A (en) A kind of pneumatic type bodywork height regulating system
CN113465949B (en) Test system, test method and manufacturing method of automobile suspension system
CN110217056A (en) A kind of Electric Motor Wheel tire automatic inflatable device of air and its control method
CN204726179U (en) Electronic control air suspension height adjustable control setup
CN112428762B (en) Automatic trailer body height and body balance adjusting method based on air suspension
CN206582521U (en) A kind of chlorine tank car unloading system pressure equaliser
CN110053430A (en) Tire pressure control method and tire deflation system charge, vehicle
CN117782635B (en) Vehicle stability detection method and system
CN203697871U (en) Unloading central tire inflation or deflation system
CA3134236C (en) Tire inflation system with parallel flow path
CN113335012A (en) Suspension control method and system and multi-axis vehicle
JPH02241813A (en) Car height control method for vehicle with ground clearance adjusting device
JPH03159808A (en) Vehicle height adjusting device
JPH0367715A (en) Vehicle suspension device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170922