CN204222578U - A kind of automobile self balancing device - Google Patents
A kind of automobile self balancing device Download PDFInfo
- Publication number
- CN204222578U CN204222578U CN201420691522.6U CN201420691522U CN204222578U CN 204222578 U CN204222578 U CN 204222578U CN 201420691522 U CN201420691522 U CN 201420691522U CN 204222578 U CN204222578 U CN 204222578U
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- self
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- balancing
- hydraulic
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Abstract
A kind of automobile self balancing device, belong to automobile suspension system design field, be primarily characterized in that: self-balancing hydraulic suspension is the original each suspension fork mechanism of transformation automobile, and a hydraulic piston cylinder in parallel, is interconnected by a total cylinder of hydraulic pressure between each hydraulic piston cylinder respectively.Self-balancing hydraulic suspension is connected with electronic control unit ECU Bidirectional closed-loop.The utility model has that vehicle body center of gravity can carry out changing according to riving condition and road conditions, riding stability and the advantage such as safety is good.
Description
Technical field
The utility model relates to a kind of automobile self balancing device, belongs to automobile suspension system design field.
Background technology
Traditional automobile suspension system is mechanical system, road surface act on the bearing capacity of wheel, propulsive effort, braking force and side force and generation thereof moment pass to vehicle frame (or vehicle body) by suspension system.Suspension generally by elastic element, shock absorber and guiding mechanism three part form.This mechanical type suspension fork mechanism is not owing to having energy resource supply device, and the elasticity of suspension and damping parameter can not change with external status and change, and carrying that can only be passive, power transmission and buffering, therefore this suspension is also referred to as passive suspension.This suspension due to suspension parameter unadjustable, be in use difficult to meet operating needs.In the following two cases, the drawback performance of transmission automobile suspension system is comparatively obvious: 1. automobile is turned when running at high speed, when such as needing promptly to avoid burst obstacle, now due to huge centrifugal action, the side that vehicle outer side vehicle body step-down, inner side vehicle body uprise, centre of gravity of vehicle deflection is contrary with turn direction, very easily turns on one's side.2. automobile carries out emergency braking when running at high speed, and cause automobile first half to sink very fast, centre of gravity of vehicle has the trend of rising, very easily extends stopping distance and causes fortuitous casualty.In sum, the problem damaging stability and safety because existing automobile suspension system elasticity and damping parameter immobilize is further improved.
Summary of the invention
The purpose of this utility model is to solve the problem, and provides one can according to riving condition and road conditions, automatic vehicles center-of-gravity position thus realize the device of automobile balance, is achieved through the following technical solutions:
A kind of automobile self balancing device, comprises steering wheel angular velocity sensor, throttle position switch, gyroscope, Yaw rate sensor, lateral acceleration sensor, electronic control unit ECU, self-balancing hydraulic suspension.
Electronic control unit ECU is connected with self-balancing hydraulic suspension Bidirectional closed-loop; Self-balancing hydraulic suspension is each suspension fork mechanism of the original automobile of transformation, and a hydraulic piston cylinder in parallel forms respectively, is interconnected between each hydraulic piston cylinder by a total cylinder of hydraulic pressure.The input end of electronic control unit ECU is connected with lateral acceleration sensor with described steering wheel angular velocity sensor, throttle position switch, gyroscope, Yaw rate sensor, and its mouth is connected with self-balancing hydraulic suspension.
The utility model compares the advantage of prior art:
1, when tempo turn, automobile self balancing device regulates inner side vehicle body reduction, outside vehicle body raises, and the Automobile Gravity Center moves toward turning center, avoids rollover, improves stability.
2, when braking at a high speed, automobile self balancing device regulates later half vehicle body and first half vehicle body to make their descending speed consistent, and the Automobile Gravity Center reduces, and eliminates " braking nose dive " phenomenon, shortens stopping distance, improves safety.
3, when occurring in vehicle traveling process that left and right wheels height difference is very large, such as cross winding road or cross unilateral bridge, automobile self balancing device can regulate the bodywork height of lower side automatically, makes vehicle steadily at a horizontal plane position, improves driving, travelling comfort.
Accompanying drawing explanation
Fig. 1 is the layout schematic diagram of automobile self balancing device described in the utility model.
Detailed description of the invention
Below in conjunction with embodiment accompanying drawing, the utility model is described further.
As shown in Figure 1, automobile self balancing device described in the utility model, comprises steering wheel angular velocity sensor, throttle position switch, gyroscope, Yaw rate sensor, lateral acceleration sensor, electronic control unit ECU, self-balancing hydraulic suspension.Described steering wheel angular velocity sensor and throttle position switch are used for judging the intention of driver.Described gyroscope, Yaw rate sensor and lateral acceleration sensor are used for monitoring at any time the motoring condition of automobile.The input end of described electronic control unit ECU is connected with lateral acceleration sensor with described steering wheel angular velocity sensor, throttle position switch, gyroscope, Yaw rate sensor, and its mouth is connected with described self-balancing hydraulic suspension.Described self-balancing hydraulic suspension is each suspension fork mechanism of the original automobile of transformation, and a hydraulic piston cylinder in parallel forms respectively, is interconnected between each hydraulic piston cylinder by a total cylinder of hydraulic pressure.Described electronic control unit ECU is according to incoming signal, comprise driver's intention and automobile actual travel state, output signal sends to described self-balancing hydraulic suspension, the object of described self-balancing hydraulic suspension by regulating the collapsing length of self each hydraulic piston cylinder to realize vehicles bodywork height and center-of-gravity position.And the change information of bodywork height and center-of-gravity position can pass to described electronic control unit ECU by gyroscope, Yaw rate sensor and lateral acceleration sensor, therefore, described electronic control unit ECU is connected with described self-balancing hydraulic suspension Bidirectional closed-loop.
Automobile is turned when running at high speed, and when such as needing promptly to avoid burst obstacle, the side that now due to huge centrifugal action, vehicle outer side vehicle body step-down, inner side vehicle body uprise, centre of gravity of vehicle deflection is contrary with turn direction, very easily turns on one's side.Described electronic control unit ECU carries out comprehensive descision process according to the signal of described each sensor passes, sends self-balancing hydraulic suspension described in signal control, makes the outside hydraulic piston cylinder of described self-balancing hydraulic suspension elongated, thus regulates outside vehicle body to uprise.Hydraulic piston cylinder due to four described self-balancing hydraulic suspensions is connected together by a total cylinder of hydraulic pressure, and therefore, outside hydraulic piston cylinder elongation can cause inner side hydraulic piston cylinder and shorten, and causes inner side vehicle body step-down.The vehicle body variation tendency that this change and the centnifugal force of vehicle body position bring is contrary, turns on one's side, improve Riding Stability of Automobile when avoiding automobile high-speed to turn.
Automobile carries out emergency braking when running at high speed, and cause automobile first half to sink very fast, centre of gravity of vehicle has the trend of rising, very easily extends stopping distance and causes fortuitous casualty.Described electronic control unit ECU carries out comprehensive descision process according to the signal of described each sensor passes, send self-balancing hydraulic suspension described in signal control, make the front side hydraulic piston cylinder of described self-balancing hydraulic suspension slowly elongated, thus solve the serious problem of automotive front " braking nose dive ".Meanwhile, front side hydraulic piston cylinder elongation can cause rear side hydraulic piston cylinder and shorten, and cause rear side vehicle body step-down, the Automobile Gravity Center reduces, thus shortens stopping distance, improves driving safety.
In addition, when running car is on rugged road surface, described self-balancing hydraulic suspension according to the instruction of described electronic control unit ECU, can regulate the length of each hydraulically extensible cylinder automatically, vehicle body is maintained a level attitude, improve the traveling comfort taken, drive.
The utility model mainly provides a kind of and automatically regulates vehicle body center-of-gravity position to maintain the automobile self balancing device of balance according to riving condition and road conditions; riding stability, safety and traveling comfort can be improved; when not running counter to the utility model essence; the structural arrangement of automobile self balancing device can be done corresponding change, but these corresponding changes all should belong within the claims belonging to the utility model.
Claims (3)
1. an automobile self balancing device, comprises steering wheel angular velocity sensor, throttle position switch, gyroscope, Yaw rate sensor, lateral acceleration sensor, electronic control unit ECU, self-balancing hydraulic suspension.
2. automobile self balancing device according to claim 1, is characterized in that: described electronic control unit ECU is connected with described self-balancing hydraulic suspension Bidirectional closed-loop; Described self-balancing hydraulic suspension is each suspension fork mechanism of the original automobile of transformation, and a hydraulic piston cylinder in parallel forms respectively, is interconnected between each hydraulic piston cylinder by a total cylinder of hydraulic pressure.
3. electronic control unit ECU according to claim 1, it is characterized in that: described electronic control unit ECU input end is connected with lateral acceleration sensor with described steering wheel angular velocity sensor, throttle position switch, gyroscope, Yaw rate sensor, and its mouth is connected with described self-balancing hydraulic suspension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691522.6U CN204222578U (en) | 2014-11-19 | 2014-11-19 | A kind of automobile self balancing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420691522.6U CN204222578U (en) | 2014-11-19 | 2014-11-19 | A kind of automobile self balancing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204222578U true CN204222578U (en) | 2015-03-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201420691522.6U Expired - Fee Related CN204222578U (en) | 2014-11-19 | 2014-11-19 | A kind of automobile self balancing device |
Country Status (1)
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| CN (1) | CN204222578U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107176216A (en) * | 2017-06-15 | 2017-09-19 | 石家庄铁道大学 | Heavy-duty car anti-rollover system |
| CN108973847A (en) * | 2018-07-29 | 2018-12-11 | 合肥市智信汽车科技有限公司 | A kind of haulage vehicle Anti-side-turning device and its application method |
| CN109070966A (en) * | 2016-03-23 | 2018-12-21 | 福特全球技术公司 | Multifunctional city electric transporting device and system |
| CN109733148A (en) * | 2019-01-18 | 2019-05-10 | 北京汽车股份有限公司 | Regulating device, method and the vehicle of vehicle suspension height |
| US20220024400A1 (en) * | 2020-07-27 | 2022-01-27 | Robert Bosch Gmbh | Off-zone crash detection using lateral accelerations at different positions in a vehicle |
-
2014
- 2014-11-19 CN CN201420691522.6U patent/CN204222578U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070966A (en) * | 2016-03-23 | 2018-12-21 | 福特全球技术公司 | Multifunctional city electric transporting device and system |
| US10821796B2 (en) | 2016-03-23 | 2020-11-03 | Ford Global Technologies, Llc | Versatile urban electric transport device and system |
| CN109070966B (en) * | 2016-03-23 | 2022-03-04 | 福特全球技术公司 | Multifunctional urban electric transportation device and system |
| CN107176216A (en) * | 2017-06-15 | 2017-09-19 | 石家庄铁道大学 | Heavy-duty car anti-rollover system |
| CN108973847A (en) * | 2018-07-29 | 2018-12-11 | 合肥市智信汽车科技有限公司 | A kind of haulage vehicle Anti-side-turning device and its application method |
| CN109733148A (en) * | 2019-01-18 | 2019-05-10 | 北京汽车股份有限公司 | Regulating device, method and the vehicle of vehicle suspension height |
| US20220024400A1 (en) * | 2020-07-27 | 2022-01-27 | Robert Bosch Gmbh | Off-zone crash detection using lateral accelerations at different positions in a vehicle |
| US11648900B2 (en) * | 2020-07-27 | 2023-05-16 | Robert Bosch Gmbh | Off-zone crash detection using lateral accelerations at different positions in a vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 Termination date: 20151119 |
|
| EXPY | Termination of patent right or utility model |