CN105000075A - Intelligent control system of air-spring suspended driving cable - Google Patents
Intelligent control system of air-spring suspended driving cable Download PDFInfo
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- CN105000075A CN105000075A CN201410163444.7A CN201410163444A CN105000075A CN 105000075 A CN105000075 A CN 105000075A CN 201410163444 A CN201410163444 A CN 201410163444A CN 105000075 A CN105000075 A CN 105000075A
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- air bellow
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Abstract
The present invention provides an intelligent control system of an air-spring suspended driving cable. The system comprises a left front side air spring (3), a right front side air spring (16), a left rear side air spring (7), a right rear side air spring (9) and an air cylinder (12) communicated with gases of the above spring springs through pipelines; a left front side air spring inflation and deflation solenoid valve (15), a right front side air spring inflation and deflation solenoid valve (13), a left rear side air spring inflation and deflation solenoid valve (8) and a right rear side air spring inflation and deflation solenoid valve (11) are arranged between the air cylinder (12) and the above air springs; the system also comprises a left front side height sensor (4), a right front side height sensor (14), a left rear side height sensor (6) and a right rear side height sensor (10) which are used for detecting the height of the above air springs; the above air spring inflation and deflation solenoid valves and the above height sensors are electrically connected with a control unit (5); and the control unit (5) controls the opening and closing of the above air spring inflation and deflation solenoid valves according to signals detected by the height sensors.
Description
Technical field
The present invention relates to a kind of full-floating air spring suspension bridge control system, be used in particular for heavy motor vehicle full-float cab.
Background technology
At present, external medium and heavy truck production company such as benz, Scania, the medium and heavy truck produced such as graceful all adopt full-floating to suspend operator's compartment, and the medium-to-high grade heavy duty truck of domestic production also adopts full-floating air spring suspension operator's compartment more and more.But domestic and international medium and heavy truck full-floating air spring suspension operator's compartment all adopts mechanical type levelling valve to control, and make the advantage of air spring suspension to give full play to, the traveling comfort of operator's compartment and safety also cannot improve further.
Summary of the invention
In order in real time and effectively adjust and control to be equipped with the heavy truck operator's compartment attitude of full-floating air spring suspension operator's compartment.The invention provides a kind of accurate, efficient control system.
For achieving the above object, the technical solution used in the present invention is:
Intelligent air spring suspension bridge control system comprises front left side air bellow 3, forward right side air bellow 16, left rear side air bellow 7, right lateral side air bellow 9 and the air receiver 12 be connected with above-mentioned air bellow gas respectively via pipeline, front left side air bellow inflation/deflation electromagnetic valve 15 is respectively arranged with between air receiver 12 and above-mentioned air bellow, forward right side air bellow inflation/deflation electromagnetic valve 13, left rear side air bellow inflation/deflation electromagnetic valve 8 and right lateral side air bellow inflation/deflation electromagnetic valve 11, also comprise the front left side height sensor 4 for detecting above-mentioned air spring height, forward right side height sensor 14, left rear side height sensor 6 and right lateral side height sensor 10, wherein, above-mentioned air bellow inflation/deflation electromagnetic valve and above-mentioned height sensor are electrically connected with control unit 5 by cable, the opening and closing of the signal control above-mentioned air bellow inflation/deflation electromagnetic valve that control unit 5 detects according to above-mentioned height sensor.
Wherein, above-mentioned air bellow inflation/deflation electromagnetic valve is also integrated with baroceptor, and for detecting the air pressure in above-mentioned air bellow, control unit 5 controls the opening and closing of above-mentioned air bellow inflation/deflation electromagnetic valve according to the air pressure signal that baroceptor detects.
Further, control system also comprises steering wheel angle sensor 1 and speed-slackening signal sensor 2, control unit 5 is electrically connected with steering wheel angle sensor 1 and speed-slackening signal sensor 2 by cable, and controls the opening and closing of above-mentioned air bellow inflation/deflation electromagnetic valve according to the detection signal of steering wheel angle sensor 1 and speed-slackening signal sensor 2.
The present invention realizes following technique effect: control system precisely, efficiently can control air spring suspension, can adjust and control to be equipped with the heavy truck operator's compartment attitude of full-floating air spring suspension operator's compartment timely and effectively, excavate the advantage of operator's compartment full-floating air spring suspension to greatest extent, traveling comfort and the safety of unprecedented driving heavy duty truck are provided.
Accompanying drawing explanation
Fig. 1 is the structural representation of intelligent air spring suspension bridge control system.
In figure: 1, steering wheel angle sensor 2, speed-slackening signal sensor 3, front left side air bellow 4, front left side height sensor 5, control unit 6, left rear side height sensor 7, left rear side air bellow 8, left rear side air bellow inflation/deflation electromagnetic valve 9, right lateral side air bellow 10, right lateral side height sensor 11, right lateral side air bellow inflation/deflation electromagnetic valve 12, air receiver 13, forward right side air bellow inflation/deflation electromagnetic valve 14, forward right side height sensor 15, front left side air bellow inflation/deflation electromagnetic valve 16, forward right side air bellow
Detailed description of the invention
Composition graphs 1 pair of intelligent air spring suspension bridge control system is further described.Control system comprises front left side air bellow 3, forward right side air bellow 16, left rear side air bellow 7, right lateral side air bellow 9 and the air receiver 12 be connected with above-mentioned air bellow gas respectively via pipeline, front left side air bellow inflation/deflation electromagnetic valve 15 is respectively arranged with between air receiver 12 and above-mentioned air bellow, forward right side air bellow inflation/deflation electromagnetic valve 13, left rear side air bellow inflation/deflation electromagnetic valve 8 and right lateral side air bellow inflation/deflation electromagnetic valve 11, also comprise the front left side height sensor 4 for detecting above-mentioned air spring height, forward right side height sensor 14, left rear side height sensor 6 and right lateral side height sensor 10, wherein, above-mentioned air bellow inflation/deflation electromagnetic valve and above-mentioned height sensor are electrically connected with control unit 5 by cable, the opening and closing of the signal control above-mentioned air bellow inflation/deflation electromagnetic valve that control unit 5 detects according to above-mentioned height sensor.
Wherein, above-mentioned air bellow inflation/deflation electromagnetic valve is also integrated with baroceptor, and for detecting the air pressure in above-mentioned air bellow, control unit controls the opening and closing of above-mentioned air bellow inflation/deflation electromagnetic valve according to the air pressure signal that baroceptor detects.
Further, control system also comprises steering wheel angle sensor 1 and speed-slackening signal sensor 2, control unit is electrically connected with steering wheel angle sensor 1 and speed-slackening signal sensor 2 by cable, and controls the opening and closing of above-mentioned air bellow inflation/deflation electromagnetic valve according to the detection signal of steering wheel angle sensor 1 and speed-slackening signal sensor 2.
Intelligent air spring suspension bridge control system mode of operation of the present invention is as follows: after vehicle motor igniting, before vehicle travels, control unit 5 in control system carries out systems axiol-ogy, by detecting the difference between the system intialization height corresponding to the input information of height sensor 4,6,10,14 and user-selected height mode, instruction is sent to air bellow inflation/deflation electromagnetic valve 8,11,13,15, and inflation/deflation operation is carried out to air bellow 3,7,9,16, make cab heights be in height corresponding to this height mode.This height mode can need to be set to the multiple cab heights pattern of being undertaken selecting by touch-screen such as upper and lower convenient pattern, good road economical operation pattern, harsh conditions operational mode according to actual user.After whole unit state is stable, then by being integrated in the baroceptor in air bellow inflation/deflation electromagnetic valve 8,11,13,15, detect the air pressure in air bellow 3,7,9,16, control unit calculates now operator's compartment weight and centroid position, and carries out inflation/deflation operation to air bellow 3,7,9,16.
In vehicle travel process, control unit 5 is analyzed by the pressure variation signal of the baroceptor to four suspension point air bellows, determine the running state of vehicle, and then adjust operator's compartment attitude by carrying out inflation/deflation operation to air bellow 3,7,9,16, adapt to ramp and bend operation.The excitation function of the present situation vehicle travel can also be drawn according to the pressure variation signal of the baroceptor of four suspension point air bellows, and according to system initialization routine, by carrying out inflation/deflation operation to the air bellow in Cab mounting, meeting under cab heights limiting condition, the rigidity of adjustment air bellow, the motivation status of Cab Mounting System offset frequency and travel is adapted, guarantees that ride comfort is best.In addition, in vehicle travel process, by the running state of steering wheel angle sensor 1, speed-slackening signal sensor 2 Real-Time Monitoring car load, utilize the initialize program in control unit, analyze car brakeing, turn to etc. operates the impact on operator's compartment attitude, calculate the compensation rate that liquidates needed for air spring suspension, send instruction to corresponding air bellow inflation/deflation electromagnetic valve 8,11,13,15.By carrying out inflation/deflation operation to air bellow 3,7,9,16, making air bellow 3,7,9,16 rigidity present required change, finally reaching resistance body roll, jolting, guaranteeing the target of operator's compartment attitude stabilization.
The present invention by increasing control unit and corresponding control apparatus element on the heavy duty truck of routine assembling full-floating air spring suspension operator's compartment, by carrying out inflation/deflation control to the air bellow in Cab mounting, realize multiple cab heights model selection, ramp and bend adapt to, ride comfort self-control, collision case is prevented, the multi-functionals such as operator's compartment attitude maintenance, slow down in vehicle travel process, braking, the impact of operation on operator's compartment stability such as to turn to, realize operator's compartment attitude from main regulation, excavate the advantage of full-floating air spring suspension operator's compartment to greatest extent, traveling comfort and the safety of unprecedented driving heavy duty truck are provided.
Claims (3)
1. an intelligent air spring suspension bridge control system, comprise front left side air bellow (3), forward right side air bellow (16), left rear side air bellow (7), right lateral side air bellow (9) and the air receiver (12) be connected with above-mentioned air bellow gas respectively via pipeline, front left side air bellow inflation/deflation electromagnetic valve (15) is respectively arranged with between air receiver (12) and above-mentioned air bellow, forward right side air bellow inflation/deflation electromagnetic valve (13), left rear side air bellow inflation/deflation electromagnetic valve (8) and right lateral side air bellow inflation/deflation electromagnetic valve (11), also comprise the front left side height sensor (4) for detecting above-mentioned air spring height, forward right side height sensor (14), left rear side height sensor (6) and right lateral side height sensor (10), it is characterized in that, above-mentioned air bellow inflation/deflation electromagnetic valve and above-mentioned height sensor are electrically connected with control unit (5) by cable, the opening and closing of the signal control above-mentioned air bellow inflation/deflation electromagnetic valve that control unit (5) detects according to above-mentioned height sensor.
2. control system according to claim 1, it is characterized in that, above-mentioned air bellow inflation/deflation electromagnetic valve is also integrated with baroceptor, for detecting the air pressure in above-mentioned air bellow, control unit (5) controls the opening and closing of above-mentioned air bellow inflation/deflation electromagnetic valve according to the air pressure signal that baroceptor detects.
3. control system according to claim 1 and 2, it is characterized in that, also comprise steering wheel angle sensor (1) and speed-slackening signal sensor (2), control unit (5) is electrically connected with steering wheel angle sensor (1) and speed-slackening signal sensor (2) by cable, and controls the opening and closing of above-mentioned air bellow inflation/deflation electromagnetic valve according to the detection signal of steering wheel angle sensor (1) and speed-slackening signal sensor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163444.7A CN105000075A (en) | 2014-04-22 | 2014-04-22 | Intelligent control system of air-spring suspended driving cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410163444.7A CN105000075A (en) | 2014-04-22 | 2014-04-22 | Intelligent control system of air-spring suspended driving cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105000075A true CN105000075A (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410163444.7A Pending CN105000075A (en) | 2014-04-22 | 2014-04-22 | Intelligent control system of air-spring suspended driving cable |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346347A (en) * | 2015-12-07 | 2016-02-24 | 苏波 | Trailer with air suspension device |
| CN107985428A (en) * | 2017-11-27 | 2018-05-04 | 安徽江淮汽车集团股份有限公司 | Driver's cabin systems stabilisation |
| CN113525007A (en) * | 2020-04-17 | 2021-10-22 | 陕西重型汽车有限公司 | Intelligent suspension system of automobile |
| CN113942587A (en) * | 2021-11-24 | 2022-01-18 | 东风商用车有限公司 | Cab suspension automatic control system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03258665A (en) * | 1990-03-07 | 1991-11-18 | Hino Motors Ltd | Cab suspension |
| US5941920A (en) * | 1997-11-12 | 1999-08-24 | Case Corporation | Control of an active suspension system for a work vehicle based upon a parameter of another vehicle system |
| CN201042978Y (en) * | 2007-04-27 | 2008-04-02 | 张西航 | Steering room air spring vibration reduction suspending device |
| DE102011120428A1 (en) * | 2011-12-07 | 2012-06-28 | Daimler Ag | Commercial vehicle device, has height adjustment device for driver's cab, and control and/or control unit for adjusting relative distance between driver's cab and vehicle frame based on driving parameter |
-
2014
- 2014-04-22 CN CN201410163444.7A patent/CN105000075A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03258665A (en) * | 1990-03-07 | 1991-11-18 | Hino Motors Ltd | Cab suspension |
| US5941920A (en) * | 1997-11-12 | 1999-08-24 | Case Corporation | Control of an active suspension system for a work vehicle based upon a parameter of another vehicle system |
| CN201042978Y (en) * | 2007-04-27 | 2008-04-02 | 张西航 | Steering room air spring vibration reduction suspending device |
| DE102011120428A1 (en) * | 2011-12-07 | 2012-06-28 | Daimler Ag | Commercial vehicle device, has height adjustment device for driver's cab, and control and/or control unit for adjusting relative distance between driver's cab and vehicle frame based on driving parameter |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346347A (en) * | 2015-12-07 | 2016-02-24 | 苏波 | Trailer with air suspension device |
| CN107985428A (en) * | 2017-11-27 | 2018-05-04 | 安徽江淮汽车集团股份有限公司 | Driver's cabin systems stabilisation |
| CN113525007A (en) * | 2020-04-17 | 2021-10-22 | 陕西重型汽车有限公司 | Intelligent suspension system of automobile |
| CN113942587A (en) * | 2021-11-24 | 2022-01-18 | 东风商用车有限公司 | Cab suspension automatic control system |
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Application publication date: 20151028 |