CN112729869A - Automobile ABS brake detection system - Google Patents
Automobile ABS brake detection system Download PDFInfo
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- CN112729869A CN112729869A CN202011586797.XA CN202011586797A CN112729869A CN 112729869 A CN112729869 A CN 112729869A CN 202011586797 A CN202011586797 A CN 202011586797A CN 112729869 A CN112729869 A CN 112729869A
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- brake
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- 238000001514 detection method Methods 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000000418 atomic force spectrum Methods 0.000 claims abstract description 7
- 230000003993 interaction Effects 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0072—Wheeled or endless-tracked vehicles the wheels of the vehicle co-operating with rotatable rolls
- G01M17/0074—Details, e.g. roller construction, vehicle restraining devices
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- General Physics & Mathematics (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention provides an automobile ABS brake detection system, an automobile is driven onto a detection device, a roller is contacted with wheels through a lifting device, a left brake force sensor for detecting brake force is arranged on a left rear roller, a right brake force sensor for detecting brake force is arranged on a right rear roller, a control device controls the rotating speed of a motor through a frequency converter to enable the wheels to generate slip rate, the automobile reaches the ABS function state, a brake force curve in the process is read, the brake force curve in the ABS brake process and the brake force and the ABS brake frequency in the ABS brake process are analyzed and calculated according to the measured brake force curve and the collected linear velocity curve of the surface of the wheel, a report sheet containing the brake curve is printed, whether the ABS function of the automobile is normal can be judged without reading an ECU of the automobile, and the interaction between the brake curve and the ABS brake frequency can be displayed visually, the ABS brake detection time is shortened.
Description
Technical Field
The invention relates to a brake detection system, in particular to an automobile ABS brake detection system.
Background
The ABS of the automobile can obviously improve the active safety brake performance of the automobile, so that the automobile can be decelerated and stopped by utilizing the ground brake force to the maximum extent, thereby improving the brake performance of the automobile, shortening the brake distance and improving the running safety of the automobile. At present, a common method for detecting and evaluating the braking performance of an automobile equipped with an ABS is a road test method. However, the road test site has high cost, long detection time, high risk, easy influence from the surrounding environment and poor repeatability of the test result. In addition, the counter-force type roller brake test bed detection is also a main detection method. However, the detection speed of the counter-force type roller brake test bed is generally lower than 5km/h, and the ABS system may also function at the test speed, so that the wheels of the vehicle cannot be completely locked, and the maximum braking force of the ABS vehicle cannot be detected. The ABS brake table of an automobile factory needs to be externally connected with a butt joint device of an ECU of a motor vehicle, and the problems of long detection time, complex detection and low detection efficiency exist.
Disclosure of Invention
The invention provides an automobile ABS brake detection system, which solves the problems that the maximum brake force of an ABS automobile cannot be detected and the misjudgment of a brake force detection result is easy to occur in the conventional automobile ABS brake detection device.
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides an automobile ABS brake detection system, which comprises the following detection methods, wherein the detection methods comprise the following steps:
the method comprises the following steps: driving the automobile onto the detection device, lifting the left placing table and the right placing table through a lifting device on the detection device, further contacting the left front roller, the left rear roller and the left third roller with the left wheel of the automobile, and contacting the right rear roller, the right rear roller and the right third roller with the right wheel of the automobile;
step two: starting a left rear roller and a right rear roller through a left motor and a right motor, wherein the left rear roller is provided with a left braking force sensor for detecting braking force, the right rear roller is provided with a right braking force sensor for detecting braking force, a control device controls the rotating speed of the motors through a frequency converter to enable the wheels to generate slip rate, the vehicles reach the ABS (anti-lock brake system) acting state, a braking force curve in the process is read, the wheel speed is detected in real time in the detection process through speed measuring sensors on a left third roller and a right third roller, and when the vehicle slip rate is lower than a threshold value, the rollers are immediately stopped to rotate so as to prevent the wheels from stripping;
step three: according to the measured braking force curve and the collected linear velocity curve of the wheel surface, whether the ABS of the vehicle has the function or not, the braking force in the ABS braking process and the braking frequency of the ABS are analyzed and calculated, and a report sheet containing the braking curve is printed;
the detection device comprises a rack, a left detection groove and a right detection groove are arranged on the rack, the left detection groove and the right detection groove are internally provided with a left placing table and a right placing table, the left placing table and the right placing table bottom fixed connection lifting device are placed on the left side, a left front roller and a left rear roller are arranged on the left placing table, the left rear roller is connected with a left motor through a left gearbox, the right placing table is provided with a right front roller and a right rear roller, the right rear roller is connected with a right motor through a right gearbox, a left braking force sensor is arranged on the left rear roller, a right braking force sensor is arranged on the right rear roller, a control device is arranged on one side of the rack, and a processor is arranged inside the control device.
Preferably, a left third roller is arranged between the left front roller and the left rear roller, a right third roller is arranged between the right front roller and the right rear roller, a left speed measuring sensor is arranged on the left third roller, and a right speed measuring sensor is arranged on the right third roller. Through setting up third cylinder and tacho sensor, real-time detection wheel speed in the testing process, when the vehicle slip rate is less than the threshold value, stop the cylinder immediately and rotate to prevent that the wheel from peeling off the child.
Preferably, lifting device is including lifting rod, lifting rod bottom both ends set up left hydraulic means and right hydraulic means respectively, lifting rod top both ends fixed connection places the platform on a left side and places the platform on the right side.
Preferably, a left through hole is formed in one end of the left detection groove, a left stop block is arranged in the left through hole, a left telescopic device is fixedly connected to the bottom of the left stop block, a right through hole is formed in one end of the right detection groove, a right stop block is arranged in the right through hole, and a right telescopic device is fixedly connected to the bottom of the right stop block.
Preferably, the left block and the right block are consistent in structure, and the end face of the left block, which faces the left detection groove, is arc-shaped.
Preferably, the left side is detected the inslot wall and is equipped with left recess, left side recess is through left electric telescopic handle sliding connection left side apron, the right side is detected the inslot wall and is equipped with right recess, right side recess is through right electric telescopic handle sliding connection right side apron. Through setting up left side apron and right side apron, when not using, play the guard action to detecting the groove.
Preferably, the left front roller, the left rear roller, the left third roller, the right front roller, the right rear roller and the right third roller are sleeved with friction rubber, and the friction coefficient of the friction rubber is close to that of the ground.
Preferably, two ends of the rack are respectively and fixedly connected with the entrance platform and the exit platform, and the tops of the entrance platform and the exit platform are obliquely arranged.
Through the technical scheme, the invention has the beneficial effects that: the ABS function of the vehicle can be judged whether to be normal or not without reading the ECU of the vehicle, the interaction between a braking curve and the ABS braking frequency can be visually shown, the ABS braking detection time is shortened, and the detection efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a schematic left cover closure.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
According to the ABS brake detection system for the automobile shown in the figure, the ABS brake detection system comprises a rack 1, wherein a left detection groove 2 and a right detection groove 7 are arranged on the rack 1, a left placing table 3 and a right placing table 8 are arranged inside the left detection groove 2 and the right detection groove 7, the bottoms of the left placing table 3 and the right placing table 8 are fixedly connected with a lifting device 24, a left front roller 4 and a left rear roller 6 are arranged on the left placing table 3, the left rear roller 6 is connected with a left motor 21 through a left gearbox 20, a right front roller 9 and a right rear roller 11 are arranged on the right placing table 8, the right rear roller 9 is connected with a right motor 23 through a right gearbox 22, a left brake force sensor 25 is arranged on the left rear roller 6, a right brake force sensor 26 is arranged on the right rear roller 11, a control device is arranged on one side of the rack 1, a processor is arranged inside the control device, a left third roller 5 is arranged between the left front roller 4 and the left rear, a right third roller 10 is arranged between the right front roller 9 and the right rear roller 11, a left speed measuring sensor 27 is arranged on the left third roller 5, and a right speed measuring sensor 28 is arranged on the right third roller 10. Through setting a third roller and a speed measuring sensor, the wheel speed is detected in real time in the detection process, when the vehicle slip ratio is lower than a threshold value, the roller rotation is immediately stopped to prevent the wheel from peeling off the tire, the lifting device 24 comprises a lifting rod 29, both ends of the bottom of the lifting rod 29 are respectively provided with a left hydraulic device 30 and a right hydraulic device 31, both ends of the top of the lifting rod 29 are fixedly connected with a left placing platform 3 and a right placing platform 8, one end of the left detection groove 2 is provided with a left through hole 12, a left stop block 14 is arranged in the left through hole 12, a left telescopic device 13 is fixedly connected with the bottom of the left stop block 14, one end of the right detection groove 7 is provided with a right through hole 15, a right stop block 17 is arranged in the right through hole 15, the bottom of the right stop block 17 is fixedly connected with a right telescopic device 16, the left stop block 14 is consistent with the right stop block 17 in structure, and, the left side detects 2 inner walls in groove and is equipped with left recess, left side recess is through left electric telescopic handle sliding connection left side apron 32, the right side detects the inslot wall and is equipped with right recess, right recess is through right electric telescopic handle sliding connection right side apron 33. The left cover plate and the right cover plate are arranged, so that the detection groove is protected when the detection device is not used, friction rubber is sleeved on the left front roller 4, the left rear roller 6, the left third roller 5, the right front roller 9, the right rear roller 11 and the right third roller 10, the friction coefficient of the friction rubber is close to the ground, two ends of the rack 1 are fixedly connected with the entrance platform 19 and the exit platform 18 respectively, and the tops of the entrance platform 19 and the exit platform 18 are obliquely arranged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides an automobile ABS braking detecting system which characterized in that: the method comprises the following steps:
the method comprises the following steps: driving the automobile onto the detection device, lifting the left placing table and the right placing table through a lifting device on the detection device, further contacting the left front roller, the left rear roller and the left third roller with the left wheel of the automobile, and contacting the right rear roller, the right rear roller and the right third roller with the right wheel of the automobile;
step two: starting a left rear roller and a right rear roller through a left motor and a right motor, wherein the left rear roller is provided with a left braking force sensor for detecting braking force, the right rear roller is provided with a right braking force sensor for detecting braking force, a control device controls the rotating speed of the motors through a frequency converter to enable the wheels to generate slip rate, the vehicles reach the ABS (anti-lock brake system) acting state, a braking force curve in the process is read, the wheel speed is detected in real time in the detection process through speed measuring sensors on a left third roller and a right third roller, and when the vehicle slip rate is lower than a threshold value, the rollers are immediately stopped to rotate so as to prevent the wheels from stripping;
step three: according to the measured braking force curve and the collected linear velocity curve of the wheel surface, whether the ABS of the vehicle has the function or not, the braking force in the ABS braking process and the braking frequency of the ABS are analyzed and calculated, and a report sheet containing the braking curve is printed;
the detection device comprises a rack, a left detection groove and a right detection groove are arranged on the rack, the left detection groove and the right detection groove are internally provided with a left placing table and a right placing table, the left placing table and the right placing table bottom fixed connection lifting device are placed on the left side, a left front roller and a left rear roller are arranged on the left placing table, the left rear roller is connected with a left motor through a left gearbox, the right placing table is provided with a right front roller and a right rear roller, the right rear roller is connected with a right motor through a right gearbox, a left braking force sensor is arranged on the left rear roller, a right braking force sensor is arranged on the right rear roller, a control device is arranged on one side of the rack, and a processor is arranged inside the control device.
2. The ABS brake detection system of claim 1, wherein: the left third roller is arranged between the left front roller and the left rear roller, the right third roller is arranged between the right front roller and the right rear roller, the left speed measuring sensor is arranged on the left third roller, and the right speed measuring sensor is arranged on the right third roller.
3. The ABS brake detection system of claim 1, wherein: the lifting device comprises a lifting rod, a left hydraulic device and a right hydraulic device are arranged at two ends of the bottom of the lifting rod respectively, and a left placing table and a right placing table are fixedly connected with two ends of the top of the lifting rod.
4. The ABS brake detection system of claim 1, wherein: the left side detects groove one end and is equipped with left through-hole, the inside left dog that is equipped with of left side through-hole, left dog bottom fixed connection left telescoping device, right side detects groove one end and is equipped with right through-hole, the inside right dog that is equipped with of right through-hole, right dog bottom fixed connection right telescoping device.
5. The ABS brake detection system of claim 4, wherein: the left stop block and the right stop block are consistent in structure, and the end face of the left stop block, which faces the left detection groove, is arc-shaped.
6. The ABS brake detection system of claim 1, wherein: the left side detects inslot wall and is equipped with left recess, left side recess is through left electric telescopic handle sliding connection left side apron, the right side detects inslot wall and is equipped with right recess, right recess is through right electric telescopic handle sliding connection right side apron.
7. The ABS brake detection system of claim 1, wherein: the left front roller, the left rear roller, the left third roller, the right front roller, the right rear roller and the right third roller are sleeved with friction rubber, and the friction coefficient of the friction rubber is close to that of the ground.
8. The ABS brake detection system of claim 1, wherein: the two ends of the rack are respectively fixedly connected with the driving-in platform and the driving-out platform, and the tops of the driving-in platform and the driving-out platform are obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586797.XA CN112729869A (en) | 2020-12-29 | 2020-12-29 | Automobile ABS brake detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011586797.XA CN112729869A (en) | 2020-12-29 | 2020-12-29 | Automobile ABS brake detection system |
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| Publication Number | Publication Date |
|---|---|
| CN112729869A true CN112729869A (en) | 2021-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011586797.XA Pending CN112729869A (en) | 2020-12-29 | 2020-12-29 | Automobile ABS brake detection system |
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| CN (1) | CN112729869A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945394A (en) * | 2021-11-01 | 2022-01-18 | 海宁骏达机动车检测服务中心有限公司 | Automobile ABS brake inspection bench |
Citations (7)
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|---|---|---|---|---|
| CN101982746A (en) * | 2010-09-15 | 2011-03-02 | 山东交通学院 | Vehicle antilock brake system (ABS) checkout console capable of stimulating wheel load transfer |
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| CN103879398A (en) * | 2014-02-27 | 2014-06-25 | 中南大学 | System and method for testing performance of electronic control unit in air pressure type ABS (anti-lock brake system) |
| CN104132817A (en) * | 2014-08-13 | 2014-11-05 | 庞抗美 | Dynamic intelligent detecting platform and method for motor vehicle external characteristics |
| CN205691348U (en) * | 2016-06-28 | 2016-11-16 | 河北工业大学 | A kind of vehicle ABS brake tester carrying out multiple test |
| CN106198046A (en) * | 2016-06-28 | 2016-12-07 | 河北工业大学 | A kind of vehicle ABS brake tester carrying out multiple test |
| CN212228388U (en) * | 2020-05-14 | 2020-12-25 | 高德科科技(北京)有限公司 | Roller reaction type automobile brake inspection device |
-
2020
- 2020-12-29 CN CN202011586797.XA patent/CN112729869A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982746A (en) * | 2010-09-15 | 2011-03-02 | 山东交通学院 | Vehicle antilock brake system (ABS) checkout console capable of stimulating wheel load transfer |
| CN202255895U (en) * | 2011-09-27 | 2012-05-30 | 北京维安技科技发展有限公司 | Automobile anti-blocking brake component and system performance testing device |
| CN103879398A (en) * | 2014-02-27 | 2014-06-25 | 中南大学 | System and method for testing performance of electronic control unit in air pressure type ABS (anti-lock brake system) |
| CN104132817A (en) * | 2014-08-13 | 2014-11-05 | 庞抗美 | Dynamic intelligent detecting platform and method for motor vehicle external characteristics |
| CN205691348U (en) * | 2016-06-28 | 2016-11-16 | 河北工业大学 | A kind of vehicle ABS brake tester carrying out multiple test |
| CN106198046A (en) * | 2016-06-28 | 2016-12-07 | 河北工业大学 | A kind of vehicle ABS brake tester carrying out multiple test |
| CN212228388U (en) * | 2020-05-14 | 2020-12-25 | 高德科科技(北京)有限公司 | Roller reaction type automobile brake inspection device |
Non-Patent Citations (2)
| Title |
|---|
| 孙鹏等: "汽车ABS性能的台架检测", 《时代汽车》, no. 10, 30 October 2016 (2016-10-30), pages 61 - 62 * |
| 黄德中: "汽车防抱死制动系统测试装置研究", 《仪器仪表学报》, no. 01, 28 January 2006 (2006-01-28), pages 81 - 82 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113945394A (en) * | 2021-11-01 | 2022-01-18 | 海宁骏达机动车检测服务中心有限公司 | Automobile ABS brake inspection bench |
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Application publication date: 20210430 |