CN112665497A - Device and method for monitoring relative positions of wheels - Google Patents
Device and method for monitoring relative positions of wheels Download PDFInfo
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- CN112665497A CN112665497A CN202011389016.8A CN202011389016A CN112665497A CN 112665497 A CN112665497 A CN 112665497A CN 202011389016 A CN202011389016 A CN 202011389016A CN 112665497 A CN112665497 A CN 112665497A
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- shock absorber
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- sensor
- piston rod
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 239000006096 absorbing agent Substances 0.000 claims abstract description 40
- 230000035939 shock Effects 0.000 claims abstract description 40
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 238000012806 monitoring device Methods 0.000 claims description 4
- 238000013461 design Methods 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The invention discloses a device and a method for monitoring the relative position of a wheel.A sprung part and an unsprung part are arranged on the wheel, the device comprises a shock absorber, the shock absorber is arranged between the sprung part and the unsprung part, the shock absorber comprises a shock absorber cylinder and a shock absorber piston rod, a sensor magnetic ring is arranged on the shock absorber cylinder, a sensor electronic bin is arranged on the shock absorber piston rod, and when the height of the wheel relative to a vehicle body changes, the position of the shock absorber cylinder changes relative to the shock absorber piston rod to drive the sensor magnetic ring to move together. The invention has the advantages of integrated components, simplified design matching, final assembly and assembly process, and reduced parts and management cost.
Description
Technical Field
The invention belongs to the technical field of automobile chassis, and particularly relates to a device and a method for monitoring relative positions of wheels.
Background
In the automatic headlamp height adjusting system and the active suspension system, the relative position between each wheel and the vehicle body can be detected through a vehicle height sensor added between a spring and a spring lower part, so that the motion state information of the vehicle body height, the pitching, the rolling and the like can be obtained, and further, the lamp irradiation angle and the performance parameters of a suspension air spring and a shock absorber can be automatically adjusted according to the requirement.
The conventional vehicle height sensor is a separate component, and as shown in fig. 3, adopts a structural form of an angle sensor 3 and a link mechanism, the angle sensor 3 is fixed on a sprung member 31, and a link 33 is connected to an unsprung member 32. The sensor needs to be carefully checked in arrangement position, a proper sensor rotation angle range is guaranteed in the whole wheel stroke, the measurement precision is guaranteed, and the structure is complex.
Disclosure of Invention
The invention aims to solve the technical problem of providing the device and the method for monitoring the relative position of the wheel, which have the advantages of integrated components, simplified design matching, simplified assembly and assembly process and reduced part and management cost.
The invention adopts the following technical scheme for solving the technical problems:
the utility model provides a wheel relative position monitoring facilities, installs on the wheel and goes up part and the part under the spring, includes the bumper shock absorber, the bumper shock absorber is installed between part and the part under the spring on the spring, the bumper shock absorber includes a bumper shock absorber section of thick bamboo and bumper shock absorber piston rod, install the sensor magnetic ring on the bumper shock absorber section of thick bamboo, install sensor electronics storehouse on the bumper shock absorber piston rod to when the relative automobile body height of wheel changes, the relative bumper shock absorber piston rod in bumper shock absorber section of thick bamboo position changes, drives the sensor magnetic ring and moves together.
A method of monitoring the relative position of a wheel using the monitoring device of claim 1, comprising the steps of:
the method comprises the following steps that firstly, wheels are displaced relative to an automobile body, and the relative positions of the wheels and the automobile body are changed according to road conditions and driving conditions;
when the wheels displace relative to the vehicle body, a damper piston rod and a damper cylinder in the damper move relatively to drive a sensor magnetic ring to move relatively to a sensor electronic bin;
thirdly, the sensor electronic bin obtains a displacement signal, and then the position of the wheel relative to the vehicle body is obtained by combining the position of the wheel relative to the vehicle body and a sensor output value calibration table;
and step four, calculating the motion states of the height, the pitch and the roll of the vehicle body according to the relative positions of the four wheels.
Compared with the prior art, the invention adopting the technical scheme has the following technical effects:
1. the integrated components simplify the design matching, the assembly process and the management cost;
2. the requirement on the arrangement position of the traditional vehicle height sensor is high, the sufficient movement corner range needs to be ensured, the measurement precision is reduced due to insufficient corners, and the phenomenon is well avoided in the scheme.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a flow chart of the method of the present embodiment;
fig. 3 is a schematic structural diagram of a conventional vehicle height sensor in the background art.
In the figure, 1, a shock absorber cylinder; 11. a sensor magnetic ring; 2. a damper piston rod; 21. and a sensor electronic bin.
Detailed Description
The technical scheme of the invention is further explained in detail by combining the attached drawings:
a wheel relative position monitoring device comprises a shock absorber, wherein the shock absorber is arranged on a wheel and comprises a shock absorber cylinder and a shock absorber piston rod, a sensor magnetic ring is arranged on the shock absorber cylinder, a sensor electronic bin is arranged on the shock absorber piston rod, and when the height of the wheel relative to a vehicle body changes, the position of the shock absorber cylinder changes relative to the shock absorber piston rod to drive the sensor magnetic ring to move together.
A method of monitoring the relative position of a wheel using a monitoring device, comprising the steps of:
firstly, the wheels are displaced relative to the automobile body, and the relative positions between the wheels and the automobile body are changed according to road conditions and driving conditions;
when the wheels displace relative to the vehicle body, a damper piston rod and a damper cylinder in the damper move relatively to drive a sensor magnetic ring to move relatively to a sensor electronic bin;
thirdly, the sensor electronic bin obtains a displacement signal, and then the position of the wheel relative to the vehicle body is obtained by combining the position of the wheel relative to the vehicle body and a sensor output value calibration table;
and step four, calculating the motion states of the height, the pitch and the roll of the vehicle body according to the relative positions of the four wheels.
The invention adopts a magnetostrictive non-contact displacement sensor which is integrated with a shock absorber to monitor the relative position of the wheels. The invention utilizes a displacement sensor electronic bin fixed on the top of a piston rod of a shock absorber, a sensor measuring rod integrated with the piston rod of the shock absorber and a magnetic ring fixed on a shock absorber cylinder. When the wheel displaces relative to the vehicle body, the piston cylinder and the piston rod also displace relative to each other, so that the position of the displacement sensor magnetic ring on the measuring rod changes, and the output value of the sensor also changes. The vehicle is calibrated, and the corresponding relation between the output value of the sensor and the relative position of the wheels can be obtained.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modifications made on the basis of the technical scheme according to the technical idea of the present invention fall within the protection scope of the present invention. While the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (2)
1. The utility model provides a wheel relative position monitoring facilities installs on the wheel and goes up part and the part under the spring, its characterized in that: the automobile wheel height sensor comprises a shock absorber, wherein the shock absorber is arranged between an upper spring component and a lower spring component and comprises a shock absorber cylinder and a shock absorber piston rod, a sensor magnetic ring is arranged on the shock absorber cylinder, a sensor electronic bin is arranged on the shock absorber piston rod, and when the height of a wheel relative to an automobile body changes, the position of the shock absorber cylinder changes relative to the shock absorber piston rod to drive the sensor magnetic ring to move together.
2. A method of monitoring the relative position of a wheel using a monitoring device according to claim 1, wherein: the method comprises the following steps:
the method comprises the following steps that firstly, wheels are displaced relative to an automobile body, and the relative positions of the wheels and the automobile body are changed according to road conditions and driving conditions;
when the wheels displace relative to the vehicle body, a damper piston rod and a damper cylinder in the damper move relatively to drive a sensor magnetic ring to move relatively to a sensor electronic bin;
thirdly, the sensor electronic bin obtains a displacement signal, and then the position of the wheel relative to the vehicle body is obtained by combining the position of the wheel relative to the vehicle body and a sensor output value calibration table;
and step four, calculating the motion states of the height, the pitch and the roll of the vehicle body according to the relative positions of the four wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389016.8A CN112665497A (en) | 2020-12-01 | 2020-12-01 | Device and method for monitoring relative positions of wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011389016.8A CN112665497A (en) | 2020-12-01 | 2020-12-01 | Device and method for monitoring relative positions of wheels |
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| Publication Number | Publication Date |
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| CN112665497A true CN112665497A (en) | 2021-04-16 |
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| CN202011389016.8A Pending CN112665497A (en) | 2020-12-01 | 2020-12-01 | Device and method for monitoring relative positions of wheels |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630298A (en) * | 2013-11-07 | 2014-03-12 | 同济大学 | Dynamic identification system for automobile quality and mass center position |
| CN105291959A (en) * | 2015-08-05 | 2016-02-03 | 苏州科技学院 | Two-dimensional self-adaptive headlamp control system and control method |
| CN205260712U (en) * | 2015-12-04 | 2016-05-25 | 江西万向昌河汽车底盘系统有限公司 | Novel automobile shock absorber ware assembly |
| CN106541798A (en) * | 2015-09-17 | 2017-03-29 | 通用汽车环球科技运作有限责任公司 | For controlling the determination of the vehicle ride height of vehicle air dynamic property |
| CN206787480U (en) * | 2017-04-07 | 2017-12-22 | 江门市德立机电设备有限公司 | A kind of structure improved magnetostrictive displacement sensor |
| CN107584984A (en) * | 2017-07-31 | 2018-01-16 | 江苏大学 | Electromagnetism mixing suspension modes switching method based on front end road roughness |
| CN206944918U (en) * | 2017-04-07 | 2018-01-30 | 江门市德立机电设备有限公司 | A kind of contactless mangneto telescopic displacement sensor |
| CN110901325A (en) * | 2019-11-29 | 2020-03-24 | 北京理工大学重庆创新中心 | Active suspension control method and system |
| CN210309815U (en) * | 2019-07-23 | 2020-04-14 | 四川希望汽车职业学院 | Vehicle with automatic vehicle body posture adjusting function |
| CN111469623A (en) * | 2020-04-29 | 2020-07-31 | 清华大学 | Fusion calculation method for domain control sensor architecture and dynamic state of automobile chassis |
-
2020
- 2020-12-01 CN CN202011389016.8A patent/CN112665497A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630298A (en) * | 2013-11-07 | 2014-03-12 | 同济大学 | Dynamic identification system for automobile quality and mass center position |
| CN105291959A (en) * | 2015-08-05 | 2016-02-03 | 苏州科技学院 | Two-dimensional self-adaptive headlamp control system and control method |
| CN106541798A (en) * | 2015-09-17 | 2017-03-29 | 通用汽车环球科技运作有限责任公司 | For controlling the determination of the vehicle ride height of vehicle air dynamic property |
| CN205260712U (en) * | 2015-12-04 | 2016-05-25 | 江西万向昌河汽车底盘系统有限公司 | Novel automobile shock absorber ware assembly |
| CN206787480U (en) * | 2017-04-07 | 2017-12-22 | 江门市德立机电设备有限公司 | A kind of structure improved magnetostrictive displacement sensor |
| CN206944918U (en) * | 2017-04-07 | 2018-01-30 | 江门市德立机电设备有限公司 | A kind of contactless mangneto telescopic displacement sensor |
| CN107584984A (en) * | 2017-07-31 | 2018-01-16 | 江苏大学 | Electromagnetism mixing suspension modes switching method based on front end road roughness |
| CN210309815U (en) * | 2019-07-23 | 2020-04-14 | 四川希望汽车职业学院 | Vehicle with automatic vehicle body posture adjusting function |
| CN110901325A (en) * | 2019-11-29 | 2020-03-24 | 北京理工大学重庆创新中心 | Active suspension control method and system |
| CN111469623A (en) * | 2020-04-29 | 2020-07-31 | 清华大学 | Fusion calculation method for domain control sensor architecture and dynamic state of automobile chassis |
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Application publication date: 20210416 |