CN103568766B - A kind of motor-vehicle chassis controls system and control method thereof - Google Patents
A kind of motor-vehicle chassis controls system and control method thereof Download PDFInfo
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- CN103568766B CN103568766B CN201310517797.8A CN201310517797A CN103568766B CN 103568766 B CN103568766 B CN 103568766B CN 201310517797 A CN201310517797 A CN 201310517797A CN 103568766 B CN103568766 B CN 103568766B
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- 238000000034 method Methods 0.000 title claims description 10
- 239000000725 suspension Substances 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims description 12
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000035939 shock Effects 0.000 claims description 5
- 230000004888 barrier function Effects 0.000 claims description 4
- 239000006096 absorbing agent Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 238000013016 damping Methods 0.000 abstract 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
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Abstract
The invention discloses a kind of motor-vehicle chassis and control system, module is controlled including vehicle central, and vehicle suspension system, described vehicle suspension system includes connecting support, vehicle body spring and amortisseur, described vehicle body spring is provided with spring pre-adjustment mechanism, and described spring pre-adjustment mechanism includes piston cylinder assembly, controls assembly and high-pressure oil pipe; Described vehicle central is controlled module and is attached by CAN with described vehicle damping system, and described vehicle central controls module and is connected with motor vehicle-detecting system, and described motor vehicle-detecting system includes detection radar, photographic head and control unit; Chassis system and vehicle central are controlled module foundation and contact by the present invention, constitute chassis control system, by the chassis actuator signal according to central control module, it is possible in real time road conditions is carried out anticipation, overcome defect of the prior art, substantially increase the comfort level of vehicle.
Description
Technical field
The invention belongs to motor-vehicle chassis system and control manufacturing technology field, specifically, relate to a kind of motor-vehicle chassis and control system and control method thereof.
Background technology
In orthodox car technology, automobile chassis is generally made up of power train, running gear, steering system and braking system four part. Chassis effect is supporting, installs automobile engine and each parts, assembly, forms the moulded of automobile, and accepts the power of electromotor, makes automobile produce motion, it is ensured that normally to travel.
Automobile chassis also includes car shock mitigation system, and described car shock mitigation system is arranged between automobile axle shaft and body of a motor car. Owing to outskirts of a town and rural road surface are reported to the leadship after accomplishing a task, especially when road surface repair time in most cases, road surface all can produce relatively more barriers or potted road surface mostly, at this time our car will allow the boulder on road surface or other road surface outthrust contact with the chassis of oneself vehicle without notice when reaching such road surface, and what namely we often said drags the end. Owing to dragging this situation of the end to have uncertainty, therefore it is easy to the part to being positioned at chassis portion and causes damage, as: ternary catalyzing unit shell breakage, engine sump tank crackle, gear box casing crackle or suspension deformation etc., the generation of these problems brings very fatal damage will to your car.
Therefore, there is following many defects in chassis system of the prior art:
1, chassis system of the prior art, when potted road surface, usually can contact with the outthrust on road surface so that vehicle chassis drags the end, causes vehicle damage.
2, chassis system of the prior art, owing to can not be adjusted chassis constantly according to surface conditions so that the comfort level of vehicle is excessively poor.
The road conditions repeated are carried out anticipation, it is impossible in advance chassis system is adjusted so that the comfortableness of vehicle is poor by 3, chassis system of the prior art.
Summary of the invention
The technical problem to be solved is, chassis system of the prior art, when potted road surface, usually can contact with the outthrust on road surface so that vehicle chassis drags the end, causes vehicle damage; Owing to constantly chassis portion height can not be adjusted according to surface conditions so that the comfort level of vehicle is excessively poor; The road conditions repeated can not be carried out anticipation, it is impossible in advance chassis system is adjusted so that the technical problems such as the comfortableness of vehicle is poor, and provides a kind of motor-vehicle chassis and control system and control method thereof.
Technology provided by the present invention design is, owing to usually dragging at the end when chassis system of the prior art runs into rugged road surface, to thus result in vehicle damage; Owing to constantly chassis portion height can not be adjusted according to surface conditions so that the comfort level of vehicle is excessively poor; The road conditions repeated are carried out anticipation, it is impossible in advance chassis system is adjusted so that the technical problems such as the comfortableness of vehicle is poor; The invention provides a kind of technology design, chassis system and vehicle central are controlled module foundation contact, constitute chassis control system, by the chassis actuator signal according to central control module, dynamically adjust constantly, overcome defect of the prior art, substantially increase the comfort level of vehicle.
Technical scheme provided by the present invention is, a kind of motor-vehicle chassis controls system, module is controlled including vehicle central, and vehicle suspension system, described vehicle suspension system includes connecting support, vehicle body spring and amortisseur, described vehicle body spring is provided with spring pre-adjustment mechanism, and described spring pre-adjustment mechanism includes piston cylinder assembly, controls assembly and high-pressure oil pipe; Described vehicle central controls module and is attached by CAN with described spring pre-adjustment mechanism, and described vehicle central control module is connected with motor vehicle-detecting system, and described motor vehicle-detecting system includes detection radar, photographic head and control unit.
Described amortisseur is arranged on described vehicle body spring inner, and described spring pre-adjustment mechanism is arranged on described vehicle body spring outwards.
The pretightning force that described spring pre-adjustment mechanism applies to vehicle body spring to the pretightning force that described vehicle body spring applies more than described light weight.
Described radar is arranged in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille, and mounting means is embedded fixed installation.
Described front end photographic head is arranged in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille or outside rear-view mirror front end, and mounting means is embedded fixed installation.
Described spring pre-adjustment mechanism also includes top board, lower platen, pressing plate guide pillar and apparatus for regulating, is sleeved on described pressing plate guide pillar at described top board and lower platen.
Described piston cylinder assembly is arranged in described apparatus for regulating, described piston cylinder assembly includes upper piston and lower piston, described upper piston contacts with described top board, described lower piston contacts with described lower platen, the upper and lower operation of described upper piston, lower piston, drives described top board and described lower platen along the described upper and lower operation of pressing plate guide pillar.
It is provided with hydraulic cylinder between described connection support and amortisseur; Described shock absorber body is put and is partially disposed in described hydraulic cylinder; Described connection support casing is connected on hydraulic cylinder.
A kind of motor-vehicle chassis control method, the described vehicle central that includes controls module, and vehicle suspension system, described vehicle suspension system includes connecting support, vehicle body spring and amortisseur, described vehicle body spring is provided with spring pre-adjustment mechanism, and described spring pre-adjustment mechanism includes piston cylinder, controls assembly and high-pressure oil pipe;Described vehicle central controls module and is attached by CAN with described spring pre-adjustment mechanism, and described vehicle central control module is connected with motor vehicle-detecting system, and described motor vehicle-detecting system includes detection radar, photographic head and control unit;
The first step, described vehicle body spring pre-adjustment mechanism is arranged on described vehicle body spring outwards; Described vehicle body spring is put in advance so that the pretightning force that described spring pre-adjustment mechanism applies to vehicle body spring to the pretightning force that described vehicle body spring applies more than described light weight;
Second step, is being arranged on described radar in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille, and mounting means is embedded fixed installation;
3rd step, described front end photographic head is arranged in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille or outside rear-view mirror front end, and mounting means is embedded fixed installation;
4th step, described piston cylinder assembly is arranged in described apparatus for regulating, described piston cylinder assembly includes upper piston and lower piston, described upper piston contacts with described top board, described lower piston contacts with described lower platen, the upper and lower operation of described upper piston, lower piston, drives described top board and described lower platen along the described upper and lower operation of pressing plate guide pillar;
Vehicle is in the process of moving, when motor vehicle-detecting system detect front have prominent barrier time, described vehicle central controls module and receives this signal, through logical judgment, the instruction on chassis is heightened to the output of spring pre-adjustment mechanism, now upper and lower pressing plate described in described piston driving runs in the opposite direction along pressing plate guide rail, and the pressure of vehicle body spring is released so that vehicle chassis raises; When motor vehicle-detecting system detect road ahead smooth time, described vehicle central controls module and receives this signal, through logical judgment, the instruction on chassis is turned down to the output of spring pre-adjustment mechanism, now upper and lower pressing plate described in described piston driving runs along pressing plate guide rail to relative direction, increase the pretightning force of vehicle body spring, vehicle body spring-compressed so that vehicle chassis reduces.
Adopt technical scheme provided by the present invention, it is possible to effectively solve chassis system of the prior art, when potted road surface, usually can contact with the outthrust on road surface so that vehicle chassis drags the end, causes vehicle damage, owing to constantly chassis portion height can not be adjusted according to surface conditions so that the comfort level of vehicle is excessively poor, the road conditions repeated can not be carried out anticipation, in advance chassis system can not be adjusted, the technical problem such as make the comfortableness of vehicle poor, chassis system and vehicle central are controlled module foundation and contact by the present invention, constitute chassis control system, by the chassis actuator signal according to central control module, in real time road conditions can be carried out anticipation, then automatically chassis system is adjusted, overcome defect of the prior art, substantially increase the comfort level of vehicle, simultaneously, the present invention also has low cost of manufacture, safe and reliable to operation, good stability, the features such as long service life.
Accompanying drawing explanation
In conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is present configuration schematic diagram;
Wherein, 1 is vehicle body spring; 2 is piston cylinder assembly; 3 is top board; 4 is lower platen; 5 is pressing plate guide rail.
Detailed description of the invention
As shown in Figure 1, the technical scheme is that, a kind of motor-vehicle chassis controls system, module is controlled including vehicle central, and vehicle suspension system, described vehicle suspension system includes connecting support, vehicle body spring 1 and amortisseur, and described vehicle body spring 1 is provided with spring pre-adjustment mechanism, and described spring pre-adjustment mechanism includes piston cylinder assembly 2, controls assembly and high-pressure oil pipe;Described vehicle central controls module and is attached by CAN with described spring pre-adjustment mechanism, and described vehicle central control module is connected with motor vehicle-detecting system, and described motor vehicle-detecting system includes detection radar, photographic head and control unit.
It is internal that described amortisseur is arranged on described vehicle body spring 1, and described spring pre-adjustment mechanism is arranged on outside described vehicle body spring 1.
The pretightning force that described spring pre-adjustment mechanism applies to vehicle body spring 1 to the pretightning force that described vehicle body spring 1 applies more than described light weight.
Described radar is arranged in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille, and mounting means is embedded fixed installation.
Described front end photographic head is arranged in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille or outside rear-view mirror front end, and mounting means is embedded fixed installation.
Described spring pre-adjustment mechanism also includes top board 3, lower platen 4, pressing plate guide pillar and apparatus for regulating, is sleeved on described pressing plate guide pillar at described top board 3 and lower platen 4.
Described piston cylinder assembly 2 is arranged in described apparatus for regulating, described piston cylinder assembly 2 includes upper piston and lower piston, described upper piston contacts with described top board 3, described lower piston contacts with described lower platen 4, the upper and lower operation of described upper piston, lower piston, drives described top board 3 and described lower platen 4 along the described upper and lower operation of pressing plate guide pillar.
It is provided with hydraulic cylinder between described connection support and amortisseur; Described shock absorber body is put and is partially disposed in described hydraulic cylinder; Described connection support casing is connected on hydraulic cylinder.
A kind of motor-vehicle chassis control method, the described vehicle central that includes controls module, and vehicle suspension system, described vehicle suspension system includes connecting support, vehicle body spring 1 and amortisseur, described vehicle body spring 1 is provided with spring pre-adjustment mechanism, and described spring pre-adjustment mechanism includes piston cylinder, controls assembly and high-pressure oil pipe; Described vehicle central controls module and is attached by CAN with described spring pre-adjustment mechanism, and described vehicle central control module is connected with motor vehicle-detecting system, and described motor vehicle-detecting system includes detection radar, photographic head and control unit;
The first step, described vehicle body spring 1 pre-adjustment mechanism is arranged on outside described vehicle body spring 1; Described vehicle body spring 1 is put in advance so that the pretightning force that described spring pre-adjustment mechanism applies to vehicle body spring 1 to the pretightning force that described vehicle body spring 1 applies more than described light weight;
Second step, is being arranged on described radar in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille, and mounting means is embedded fixed installation;
3rd step, described front end photographic head is arranged in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille or outside rear-view mirror front end, and mounting means is embedded fixed installation;
4th step, described piston cylinder assembly 2 is arranged in described apparatus for regulating, described piston cylinder assembly 2 includes upper piston and lower piston, described upper piston contacts with described top board 3, described lower piston contacts with described lower platen 4, the upper and lower operation of described upper piston, lower piston, drives described top board 3 and described lower platen 4 along the described upper and lower operation of pressing plate guide pillar;
Vehicle is in the process of moving, when motor vehicle-detecting system detect front have prominent barrier time, described vehicle central controls module and receives this signal, through logical judgment, the instruction on chassis is heightened to the output of spring pre-adjustment mechanism, now described in described piston driving, upper and lower pressing plate 4 runs in the opposite direction along pressing plate guide rail 5, and the pressure of vehicle body spring 1 is released so that vehicle chassis raises;When motor vehicle-detecting system detect road ahead smooth time, described vehicle central controls module and receives this signal, through logical judgment, the instruction on chassis is turned down to the output of spring pre-adjustment mechanism, now upper and lower pressing plate 4 described in described piston driving runs along pressing plate guide rail 5 to relative direction, increasing the pretightning force of vehicle body spring 1, vehicle body spring 1 compresses so that vehicle chassis reduces.
Claims (3)
1. a motor-vehicle chassis controls system, it is characterized in that, module and vehicle suspension system is controlled including vehicle central, described vehicle suspension system includes connecting support, vehicle body spring (1) and amortisseur, described vehicle body spring (1) is provided with spring pre-adjustment mechanism, and described spring pre-adjustment mechanism includes piston cylinder assembly (2), controls assembly and high-pressure oil pipe; Described vehicle central controls module and is attached by CAN with described spring pre-adjustment mechanism, and described vehicle central control module is connected with motor vehicle-detecting system, and described motor vehicle-detecting system includes detection radar, photographic head and control unit; It is internal that described amortisseur is arranged on described vehicle body spring (1), and described spring pre-adjustment mechanism is arranged on described vehicle body spring (1) outside; The pretightning force that described spring pre-adjustment mechanism applies to vehicle body spring (1) to the pretightning force that described vehicle body spring (1) applies more than described light weight; Described radar is arranged in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille, and mounting means is embedded fixed installation; Described photographic head is arranged in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille or outside rear-view mirror front end, and mounting means is embedded fixed installation; Described spring pre-adjustment mechanism also includes top board (3), lower platen (4), pressing plate guide rail (5) and apparatus for regulating, is sleeved on described pressing plate guide rail (5) at described top board (3) and lower platen (4); Described piston cylinder assembly (2) is arranged in described apparatus for regulating, described piston cylinder assembly (2) includes upper piston and lower piston, described upper piston contacts with described top board (3), described lower piston contacts with described lower platen (4), the upper and lower operation of described upper piston, lower piston, drives described top board (3) and described lower platen (4) along the upper and lower operation of described pressing plate guide rail (5); It is provided with hydraulic cylinder between described connection support and amortisseur.
2. a kind of motor-vehicle chassis according to claim 1 controls system, it is characterised in that described shock absorber body is partially disposed in described hydraulic cylinder; Described connection support casing is connected on hydraulic cylinder.
3. a motor-vehicle chassis control method, it is characterized in that, module and vehicle suspension system is controlled including vehicle central, described vehicle suspension system includes connecting support, vehicle body spring (1) and amortisseur, described vehicle body spring (1) is provided with spring pre-adjustment mechanism, and described spring pre-adjustment mechanism includes piston cylinder assembly (2), controls assembly and high-pressure oil pipe; Described vehicle central controls module and is attached by CAN with described spring pre-adjustment mechanism, and described vehicle central control module is connected with motor vehicle-detecting system, and described motor vehicle-detecting system includes detection radar, photographic head and control unit;
The first step, described vehicle body spring (1) pre-adjustment mechanism is arranged on described vehicle body spring (1) outside; Described vehicle body spring (1) is put in advance so that the pretightning force that described spring pre-adjustment mechanism applies to vehicle body spring (1) to the pretightning force that described vehicle body spring (1) applies more than light weight;
Second step, is arranged on described radar in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille, and mounting means is embedded fixed installation;
3rd step, described photographic head is arranged in the middle part of motor vehicles bumper foremost or in the middle part of air-inlet grille or outside rear-view mirror front end, and mounting means is embedded fixed installation;
4th step, described piston cylinder assembly (2) is arranged in apparatus for regulating, described piston cylinder assembly (2) includes upper piston and lower piston, described upper piston contacts with top board (3), described lower piston contacts with lower platen (4), the upper and lower operation of described upper piston, lower piston, drives top board (3) and lower platen (4) along pressing plate guide rail (5) upper and lower operation;
Vehicle is in the process of moving, when motor vehicle-detecting system detect front have prominent barrier time, described vehicle central controls module and receives this signal, through logical judgment, the instruction on chassis is heightened to the output of spring pre-adjustment mechanism, now described in described piston driving, top board (3), lower platen (4) run in the opposite direction along pressing plate guide rail (5), and the pressure of vehicle body spring (1) is released so that vehicle chassis raises; When motor vehicle-detecting system detect road ahead smooth time, described vehicle central controls module and receives this signal, through logical judgment, the instruction on chassis is turned down to the output of spring pre-adjustment mechanism, now described in described piston driving, top board (3), lower platen (4) run along pressing plate guide rail (5) to relative direction, increasing the pretightning force of vehicle body spring (1), vehicle body spring (1) compresses so that vehicle chassis reduces.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310517797.8A CN103568766B (en) | 2013-10-28 | 2013-10-28 | A kind of motor-vehicle chassis controls system and control method thereof |
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| CN201310517797.8A CN103568766B (en) | 2013-10-28 | 2013-10-28 | A kind of motor-vehicle chassis controls system and control method thereof |
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| CN103568766A CN103568766A (en) | 2014-02-12 |
| CN103568766B true CN103568766B (en) | 2016-06-08 |
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| US10160281B2 (en) * | 2014-05-02 | 2018-12-25 | Ford Global Technologies, Llc | Road roughness preview with drive history |
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| US4827416A (en) * | 1985-09-13 | 1989-05-02 | Nissan Motor Company, Limited | Method and system for controlling automotive suspension system, particularly for controlling suspension characteristics in accordance with road surface conditions |
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| DE102009040170A1 (en) * | 2008-10-17 | 2010-04-22 | Continental Teves Ag & Co. Ohg | Sensor-chassis system for motor vehicle, has sensor unit and chassis-actuator unit, where sensor unit has radar sensor elements or ultrasonic sensor element or mono camera or stereo camera |
| CN201800484U (en) * | 2010-09-15 | 2011-04-20 | 徐浩 | Vehicle skew hydraulic shock absorber |
| CN201914046U (en) * | 2010-12-29 | 2011-08-03 | 刘道德 | Motor vehicle lifting and suspension device |
| CN102963322A (en) * | 2012-09-22 | 2013-03-13 | 仲玥 | Automobile driving environment detecting device and working process thereof |
| CN203920319U (en) * | 2013-10-28 | 2014-11-05 | 芜湖市顺昌汽车配件有限公司 | A kind of motor-vehicle chassis control system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006039353A1 (en) * | 2006-08-22 | 2008-03-06 | Daimler Ag | Device and method for influencing the spring force characteristic of an active chassis of a motor vehicle |
-
2013
- 2013-10-28 CN CN201310517797.8A patent/CN103568766B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4827416A (en) * | 1985-09-13 | 1989-05-02 | Nissan Motor Company, Limited | Method and system for controlling automotive suspension system, particularly for controlling suspension characteristics in accordance with road surface conditions |
| EP1927487A2 (en) * | 2006-12-01 | 2008-06-04 | Audi Ag | Height adjustment device for wheel suspensions in motor vehicles |
| DE102009040170A1 (en) * | 2008-10-17 | 2010-04-22 | Continental Teves Ag & Co. Ohg | Sensor-chassis system for motor vehicle, has sensor unit and chassis-actuator unit, where sensor unit has radar sensor elements or ultrasonic sensor element or mono camera or stereo camera |
| CN201800484U (en) * | 2010-09-15 | 2011-04-20 | 徐浩 | Vehicle skew hydraulic shock absorber |
| CN201914046U (en) * | 2010-12-29 | 2011-08-03 | 刘道德 | Motor vehicle lifting and suspension device |
| CN102963322A (en) * | 2012-09-22 | 2013-03-13 | 仲玥 | Automobile driving environment detecting device and working process thereof |
| CN203920319U (en) * | 2013-10-28 | 2014-11-05 | 芜湖市顺昌汽车配件有限公司 | A kind of motor-vehicle chassis control system |
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