CN215598714U - Detection apparatus for electronic brake booster footboard feels - Google Patents
Detection apparatus for electronic brake booster footboard feels Download PDFInfo
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- CN215598714U CN215598714U CN202122217056.0U CN202122217056U CN215598714U CN 215598714 U CN215598714 U CN 215598714U CN 202122217056 U CN202122217056 U CN 202122217056U CN 215598714 U CN215598714 U CN 215598714U
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Abstract
The utility model relates to the technical field of brake system testing, and discloses a detection device for pedal feeling of an electronic brake booster, which comprises the electronic brake booster, a controller connected with the electronic brake booster, a pedal assembly provided with a pedal, a hydraulic load simulation component, a pedal force sensor and a pedal displacement sensor, wherein the pedal force sensor and the pedal displacement sensor are respectively connected with the pedal assembly; the controller receives and records the treading force, the pedal stroke and the hydraulic data of a tester in different treading modes; the utility model researches the pedal feeling and the actual foot feeling of a driver in the braking process of key parts and key factors of the automobile electronic brake booster, thereby simulating and testing the pedal feeling in the braking process from the actual experience of the driver.
Description
Technical Field
The utility model relates to the technical field of brake system testing, in particular to a device for detecting pedal feel of an electronic brake booster.
Background
The automobile electronic brake booster is a device for completing brake boosting through a motor, and the system performance of the automobile electronic brake booster directly influences real-time feedback of a pedal to a driver in the automobile brake process. In the development process, the conventional performance testing equipment completes the whole test by taking electric or pneumatic power as driving force, the variables of the test data are only the wheel rotating speed and the pedal displacement generally, the corresponding test data of the whole braking system are obtained on the premise of the two variables and are used as judgment standards, and in the actual operation process, the foot falling point, the treading mode, the treading pressure and the treading pedal displacement of a driver are correspondingly different according to the current situation and the mood change of the driver, so that the pedal feeling detection device of the brake booster is required to test the pedal feeling of the driver under different moods and different situations.
Disclosure of Invention
The utility model provides a device for detecting pedal feel of an electronic brake booster, aiming at the defects in the prior art.
In order to solve the technical problem, the utility model is solved by the following technical scheme:
a detection device for pedal feeling of an electronic brake booster comprises the electronic brake booster, a controller connected with the electronic brake booster, a pedal assembly provided with a pedal, a hydraulic load simulation assembly, a pedal force sensor and a pedal displacement sensor, wherein the pedal force sensor and the pedal displacement sensor are respectively connected with the pedal assembly; the pedal assembly is connected with the hydraulic load simulation component, the hydraulic load simulation component is provided with a hydraulic sensor, and the hydraulic sensor senses the hydraulic pressure of the hydraulic load simulation component and outputs a hydraulic signal to the controller; the controller receives and records corresponding treading force, pedal stroke and hydraulic data of the hydraulic sensor of the tester under different treading modes. When a driver steps on the pedal, the pedal assembly transmits pressure to the electronic brake booster through a certain lever ratio, the electronic brake booster amplifies the braking force applied to the pedal by the driver, the force is transmitted to the master cylinder, hydraulic pressure is established by the master cylinder, the conversion from the pedal force to the hydraulic pressure is realized, and then the braking of the brake caliper is realized.
Preferably, the hydraulic load simulation assembly comprises a brake master pump and a brake caliper, the brake master pump is connected with the brake caliper through an oil pipe, and the hydraulic sensor is mounted on the oil pipe and used for sensing the brake fluid pressure output to the brake caliper by the brake master pump.
Preferably, the electronic brake booster is arranged between the pedal assembly and the master cylinder and is connected with the pedal assembly and the master cylinder.
Preferably, the controller also comprises a CAN box, the CAN box is respectively connected with the output ends of the pedal force sensor, the pedal displacement sensor and the hydraulic sensor, the CAN box is connected with the input end of the controller, the controller is connected with the pedal force sensor, the pedal displacement sensor and the hydraulic sensor through the CAN box, and the information of the pedal force sensor, the pedal displacement sensor and the hydraulic sensor is converted into an electric signal and transmitted to the controller through the CAN box.
Preferably, the controller can input information of the electronic brake booster, and is provided with a display panel for displaying a chart which is manufactured by the controller according to the test pedal force sensor, the pedal displacement sensor, the hydraulic pressure sensor and the corresponding vehicle speed.
Due to the adoption of the technical scheme, the utility model has the remarkable technical effects that: the utility model researches the pedal feeling and the actual foot feeling of a driver in the braking process of key parts and key factors of an automobile electronic brake booster, thereby simulating and testing the pedal feeling in the braking process from the actual experience of the driver, ensuring that the brake booster has the truest and most natural pedal feeling when being actually applied, and the driver can intuitively feel the change of a braking system, obtain corresponding deceleration and acceleration through the real-time pedal force and pedal stroke provided by the driver, and further improve the pedal feeling.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a rear view of the present invention.
Fig. 4 is a top view of the present invention.
FIG. 5 is a schematic flow diagram of the present invention.
The names of the parts indicated by the numerical references in the above figures are as follows: the brake system comprises an electronic brake booster 1, a controller 2, a pedal assembly 3, a pedal 31, a pedal 32, a pedal displacement sensor 4, a hydraulic load simulation assembly 41, a hydraulic sensor and a brake caliper 42.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Examples
A detection device for pedal feeling of an electronic brake booster is disclosed, as shown in fig. 1-5, and comprises an electronic brake booster 1, a controller 2 connected with the electronic brake booster 1, a pedal assembly 3 provided with a pedal 31, a hydraulic load simulation component 4, a pedal force sensor and a pedal displacement sensor 32, wherein the pedal force sensor and the pedal displacement sensor 32 are respectively connected with the pedal assembly 3, the pedal force sensor senses the pedal force applied to the pedal assembly 3 and outputs a force signal to the controller 2, and the pedal displacement sensor 32 senses the stroke of the pedal 31 and outputs a stroke signal to the controller 2; the pedal assembly 3 is connected with the hydraulic load simulation assembly 4, the hydraulic load simulation assembly 4 is provided with a hydraulic sensor 41, and the hydraulic sensor 41 senses the hydraulic pressure of the hydraulic load simulation assembly 4 and outputs a hydraulic signal to the controller 2; the controller 2 receives and records the corresponding treading force of the tester under different treading modes, the stroke of the pedal 31 and the hydraulic data of the hydraulic sensor 41. The pedal force sensor is not shown, and is actually provided on the pedal 31 of the pedal assembly for sensing the magnitude of the force applied thereto when the pedal is depressed.
The hydraulic load simulation assembly 4 comprises a brake master cylinder and brake calipers, the brake master cylinder is connected with the brake calipers 42 through an oil pipe, and a hydraulic sensor 41 is installed on the oil pipe and used for sensing brake fluid pressure output to the brake calipers 42 by the brake master cylinder.
The electronic brake booster 1 is arranged between the pedal assembly 3 and the master cylinder and is connected with the pedal assembly 3 and the master cylinder.
Still include the CAN box, the CAN box is connected with footboard force sensor, footboard displacement sensor 32, hydraulic sensor 41's output respectively, the CAN box is connected with controller 2's input, controller 2 forms through the CAN box and is connected with footboard force sensor, footboard displacement sensor 32, hydraulic sensor 41, footboard force sensor, footboard displacement sensor 32, hydraulic sensor 41's information conversion becomes the signal of telecommunication and transmits controller 2 through the CAN box. The CAN box is connected with the controller 2 and provides corresponding vehicle speed for the controller 2.
The controller 2 mainly includes an upper computer control system, a communication device, electrical components, and the like, and can control the operation of the device, monitor the state of the device (such as normal, alarm, failure, and the like), and read, analyze, store, and the like functions, so as to ensure the normal and continuous operation of the device, and the composition of the controller 2 is a known technology in the art, and is not described herein again.
The controller 2 can input information of the electronic brake booster 1, and the controller 2 is provided with a display panel for displaying a chart which is manufactured by the controller 2 according to the test pedal force sensor, the pedal displacement sensor 32, the hydraulic pressure sensor 41 and the corresponding vehicle speed.
The actual operation flow comprises the following steps:
A. the equipment simulates the running process of an actual vehicle, the controller 2 sends a corresponding vehicle speed signal to the electronic brake booster 1, and then testers simulate treading under different situations (emotion, speed and foot method) and tread the pedal 31 of the pedal assembly 3.
B. The whole process is stored and recorded by the pedal force sensor; pedal travel data is stored and recorded by the pedal displacement sensor 32; the hydraulic pressure sensor 41 stores and records hydraulic pressure data of the brake fluid; and the pedal speed data is saved and recorded by the CAN box. Preferably, the pedal displacement sensor 32 is a cable displacement sensor, and the hydraulic pressure sensor 41 is a high-precision hydraulic pressure sensor.
C. After the pedal 31 is stepped on, real-time pedal force, pedal displacement, output force of the pedal assembly 3, a hydraulic value obtained by a hydraulic sensor 41 and corresponding vehicle speed are displayed, data collected by the pedal force sensor, the pedal displacement sensor 32 and the hydraulic sensor 41 are converted into electric signals to be stored in an upper computer control system, after the pedal 31 returns, selected time points in the whole process are drawn into a curve graph by an upper computer through corresponding algorithms, the more the time points are selected, the more the curve graph is accurate, a brake diagram and the most value of each item of data can be obtained, and data such as pedal idle stroke can also be obtained,
the key parts and key factors of the automobile electronic brake booster 1 are obtained from the automobile electronic brake booster, pedal feeling and actual feeling of the driver are obtained in the braking process, the situation or corresponding emotion of the driver test simulation at that time is recorded, and the detection of the tested device is realized.
In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made in the claims of the present invention should be covered by the claims of the present invention.
Claims (5)
1. The utility model provides a detection apparatus that electronic brake booster footboard felt, includes electronic brake booster, the controller of being connected with electronic brake booster, be equipped with footboard assembly, the hydraulic pressure load simulation subassembly of footboard, its characterized in that: the pedal force sensor and the pedal displacement sensor are respectively connected with the pedal assembly, the pedal force sensor senses the treading force applied to the pedal assembly and outputs a force signal to the controller, and the pedal displacement sensor senses the stroke of the pedal and outputs a stroke signal to the controller; the pedal assembly is connected with the hydraulic load simulation component, the hydraulic load simulation component is provided with a hydraulic sensor, and the hydraulic sensor senses the hydraulic pressure of the hydraulic load simulation component and outputs a hydraulic signal to the controller; the controller receives and records corresponding treading force, pedal stroke and hydraulic data of the hydraulic sensor of the tester under different treading modes.
2. The apparatus for detecting a pedal feel of an electronic brake booster as set forth in claim 1, wherein: the hydraulic load simulation assembly comprises a brake master pump and brake calipers, the brake master pump is connected with the brake calipers through an oil pipe, and a hydraulic sensor is installed on the oil pipe and used for sensing brake fluid pressure output to the brake calipers by the brake master pump.
3. The apparatus for detecting a pedal feel of an electronic brake booster as set forth in claim 2, wherein: the electronic brake booster is arranged between the pedal assembly and the master cylinder and is connected with the pedal assembly and the master cylinder.
4. The apparatus for detecting a pedal feel of an electronic brake booster as set forth in claim 1, wherein: still include the CAN box, the CAN box is connected with footboard force sensor, footboard displacement sensor, hydraulic sensor's output respectively, and the CAN box is connected with the input of controller, and the controller passes through the CAN box and forms with footboard force sensor, footboard displacement sensor, hydraulic sensor to be connected, and footboard force sensor, footboard displacement sensor, hydraulic sensor's information is changed into the signal of telecommunication and is transmitted to the controller through the CAN box.
5. The apparatus for detecting a pedal feel of an electronic brake booster as set forth in claim 4, wherein: the controller can input information of the electronic brake booster, and is provided with a display panel which is used for displaying a chart which is manufactured by the controller according to the test pedal force sensor, the pedal displacement sensor, the hydraulic pressure sensor and the corresponding vehicle speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122217056.0U CN215598714U (en) | 2021-09-14 | 2021-09-14 | Detection apparatus for electronic brake booster footboard feels |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122217056.0U CN215598714U (en) | 2021-09-14 | 2021-09-14 | Detection apparatus for electronic brake booster footboard feels |
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| CN215598714U true CN215598714U (en) | 2022-01-21 |
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| CN202122217056.0U Active CN215598714U (en) | 2021-09-14 | 2021-09-14 | Detection apparatus for electronic brake booster footboard feels |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023142812A1 (en) * | 2022-01-28 | 2023-08-03 | 中国第一汽车股份有限公司 | Brake system test bench and test method for brake system |
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2021
- 2021-09-14 CN CN202122217056.0U patent/CN215598714U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023142812A1 (en) * | 2022-01-28 | 2023-08-03 | 中国第一汽车股份有限公司 | Brake system test bench and test method for brake system |
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