CN212300862U - EBS system performance detection simulation platform - Google Patents
EBS system performance detection simulation platform Download PDFInfo
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- CN212300862U CN212300862U CN202021350439.4U CN202021350439U CN212300862U CN 212300862 U CN212300862 U CN 212300862U CN 202021350439 U CN202021350439 U CN 202021350439U CN 212300862 U CN212300862 U CN 212300862U
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Abstract
A performance detection simulation platform of an EBS (electronic brake system) comprises a frame, wherein an ECU (electronic control unit), a wheel mechanism and a brake mechanism are installed on the frame, the brake mechanism comprises a brake disc fixedly installed with the wheel mechanism, a brake shoe matched with the brake disc and a pedal brake switch, the brake shoe is fixedly installed on the frame through a driving air cylinder, an air storage tank is also fixedly installed on the frame, the driving air cylinder is communicated with the air storage tank through an air supply pipe, and an ABS (anti-lock braking system) electromagnetic valve and a pressure sensor are installed on the air supply pipe; a pedal force sensor is installed on a pedal type brake switch, a three-dimensional force sensor is further installed on an output shaft of the hub motor, an abrasion sensor is installed on a brake shoe, and a speed measuring sensor used for monitoring the rotating speed of a wheel is further fixedly installed on the frame. The simulation platform is a performance detection test platform of the EBS system, is used for simulating the control condition of the EBS system after a brake is stepped on in the actual vehicle running process, is convenient for debugging EBS system software in a workshop, and is safe, reliable and low in cost.
Description
Technical Field
The utility model relates to an automobile inspection technical field, especially an EBS system performance detection simulation platform.
Background
The EBS system refers to an electronic control brake system, and the automobile electronic control brake system EBS is based on ABS and uses electronic control to replace the traditional mechanical transmission to control the brake system so as to achieve good brake effect and increase the automobile brake safety.
The system replaces mechanical transmission with electronic control, reduces the lag of the mechanical transmission of the braking system, shortens the braking distance and minimizes the abrasion of the friction plate at low strength; when the strength is medium, the ABS is utilized to achieve the optimal road adhesion coefficient utilization rate; at high intensity, the maximum braking pressure is applied, so that the optimal control braking force is obtained. The EBS system can be integrally controlled by one electric control unit together with other electronic control systems, so that various control functions with different requirements are realized.
In order to ensure safety, the EBS system needs to be continuously tested and detected before being put into use or in the process of research and development, but actual operation cannot be performed in each test, so that safety cannot be guaranteed, and cost is difficult to control, and therefore a simple and convenient EBS system performance testing device is needed.
Disclosure of Invention
The utility model aims to solve the technical problem that to prior art not enough, provide one kind and can simulate the vehicle brake condition in the reality to safe and reliable, be convenient for carry out EBS system performance test's of EBS system performance detection simulation platform.
The technical problem to be solved by the utility model is realized through the following technical scheme. The utility model relates to an EBS system performance detection simulation platform, which comprises a frame, wherein an ECU control unit, a wheel mechanism and a brake mechanism are arranged on the frame, the wheel mechanism comprises 4 wheels, and each wheel is arranged on the frame through a hub motor; the brake mechanism comprises a brake disc fixedly mounted with a wheel, a brake shoe matched with the brake disc and a pedal type brake switch fixedly mounted at the lower part of the frame, the brake shoe is fixedly mounted on the frame through a driving cylinder, a gas storage tank for providing a gas source for the driving cylinder is also fixedly mounted on the frame, the gas storage tank is externally connected with a high-pressure gas source, the driving cylinder is communicated with the gas storage tank through a gas supply pipe, and an ABS (anti-lock brake system) electromagnetic valve and a pressure sensor are mounted on the gas supply pipe; the pedal type brake switch is provided with a pedal force sensor, an output shaft of the hub motor is provided with a three-dimensional force sensor, a brake shoe is provided with an abrasion sensor, the frame is also fixedly provided with a speed sensor for monitoring the rotating speed of the wheel, the pressure sensor, the pedal force sensor, the three-dimensional force sensor and the speed sensor are all connected with the input end of the ECU, and the hub motor and the ABS electromagnetic valve are connected with the output end of the ECU.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above EBS system performance detection simulation platform, this simulation platform still includes total controller and is used for information display's display, and total controller is connected with ECU the control unit communication, and the display is connected with total controller's output.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above EBS system performance detection simulation platform, the top of frame is fixed mounting still have with in-wheel motor one-to-one's motor speed governing switch.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above EBS system performance detection simulation platform, be connected through the quick-operation joint of the plug of being convenient for between tachometer sensor and the ECU the quick-operation joint of quick-operation joint, quick-operation joint is connected with tachometer sensor including mutually supporting male joint and female joint, and the male joint is connected with ECU the control unit.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above EBS system performance detection simulation platform, still fixed mounting has starting switch, scram switch, power indicator and trouble lamp at the top of frame one side.
The utility model discloses the technical problem that will solve can also further realize through following technical scheme, to above EBS system performance detection simulation platform, the bottom of frame is fixed mounting still has the truckle of being convenient for to remove.
Compared with the prior art, the utility model provides a test platform that EBS performance detected, simulate the actual vehicle operation in-process, the control condition of EBS system after stepping on the brake, thereby test the EBS system, through install 4 wheels in order to simulate the wheel of actual vehicle on the frame, drive the wheel rotation through in-wheel motor, utilize pedal force sensor to detect the brake dynamics, utilize tacho sensor to detect the rotational speed of wheel, utilize three-dimensional force sensor to carry out the atress detection to in-wheel motor's axle, and feed back the signal to ECU control unit, thereby can test when braking, how ECU control unit controls brake mechanism and carries out pneumatic braking according to the brake condition, thereby inspect the procedure of writing into the EUC control unit, conveniently modify and improve the procedure; and secondly, the data detected by the sensor and received by the ECU control unit is displayed by using the display, so that the external observation is facilitated. The simulation platform is used for simulating the control condition of the EBS system after a brake is stepped in the actual vehicle running process, is convenient for debugging EBS system software in a workshop, and is safe, reliable and low in cost.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a top view of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an EBS system performance detection simulation platform includes a frame 1, an ECU control unit 2, a wheel 3 mechanism and a brake mechanism are mounted on the frame 1, the wheel 3 mechanism includes 4 wheels 3, and each wheel 3 is mounted on the frame 1 through a hub motor; the brake mechanism comprises a brake disc 18 fixedly mounted with a wheel, a brake shoe 19 matched with the brake disc 18 and a pedal type brake switch 11 fixedly mounted at the lower part of the frame 1, the brake shoe 19 is fixedly mounted on the frame 1 through a driving cylinder 5, a gas storage tank 4 used for providing a gas source for the driving cylinder 5 is also fixedly mounted on the frame 1, the gas storage tank 4 is externally connected with a high-pressure gas source, the driving cylinder 5 is communicated with the gas storage tank 4 through a gas supply pipe, and an ABS (anti-lock braking system) electromagnetic valve 6 and a pressure sensor 7 are mounted on the gas supply pipe; the pedal force sensor is installed on the pedal type brake switch 11, the three-dimensional force sensor is installed on an output shaft of the hub motor, the abrasion sensor 20 is installed on the brake shoe 19, the speed measuring sensor 8 used for monitoring the rotating speed of the wheel 3 is fixedly installed on the frame 1, the pressure sensor 7, the pedal force sensor, the three-dimensional force sensor and the speed measuring sensor 8 are all connected with the input end of the ECU control unit 2, and the hub motor and the ABS electromagnetic valve 6 are connected with the output end of the ECU control unit 2. The 4 wheels 3 are used for simulating the existing 4-wheel automobile, and when the automobile needs to be applied to a multi-wheel automobile, the number of the wheels 3 can be increased according to the requirement; the 4 wheels 3 can be arranged on the same side of the frame 1 or symmetrically arranged on two sides of the frame 1, so that the observation is facilitated;
the pedal force sensor adopts a pedal force sensor in the prior art, the model is MLA-1KNA, the measuring range is 1kN, and the gravity unit is 102 kgf; the load sensor is used for measuring the force of the brake pedal of the automobile, the pedal does not need to be modified, and the installation is convenient; a firm cable is used, and people do not need to worry about treading violently;
the three-dimensional force sensor refers to a multi-dimensional force sensor in the prior art, and is a force sensor capable of measuring force and moment components in more than two directions simultaneously, and the force and the moment can be respectively decomposed into three components in a Cartesian coordinate system, so that the most complete form of the multi-dimensional force is a six-dimensional force/moment sensor, namely, the sensor capable of measuring the three force components and the three moment components simultaneously, and the widely used multi-dimensional force sensor is the sensor;
the wear sensor 20 adopts a brake pad wear detection sensor in the prior art, such as a sensor with the model number LE2111, and is used for detecting the thickness of the brake shoe 19, so that the wear condition of the brake shoe 19 can be known conveniently;
during testing, a program to be tested is firstly written into the ECU control unit 2, then the wheel 3 is driven to rotate through the hub motor, a tire of the wheel 3 is suspended, the speed sensor 8 is used for detecting the rotating speed of the wheel 3 and feeding the rotating speed back to the ECU control unit 2, when the vehicle brakes, only the foot-operated brake switch 11 needs to be stepped on, the pedal force sensor detects the braking force and transmits a signal to the ECU control unit 2, the ECU control unit 2 judges the required realized deceleration according to the received braking force signal, controls the ABS electromagnetic valve 6 to act, and feeds back the pneumatic braking force according to the three-dimensional force sensor to form closed-loop control; how the ECU control unit 2 controls the ABS electromagnetic valve 6 to act can be easily observed through the simulation platform, and the brake shoe 19 is driven to perform disc braking through the driving cylinder 5, so that the actual running condition of the EBS system is simulated, and whether a test program can play an expected role or not is detected; moreover, by controlling the force and the speed of stepping on the pedal brake switch 11, different brake conditions in practice can be simulated, so that how the EBS system deals with different brake conditions is observed, and the performance detection of the EBS system is realized; meanwhile, the pressure of the air source output by the air storage tank 4 is detected through the pressure sensor 7, so that the influence on the test effect caused by too small pressure is avoided.
The simulation platform further comprises a master controller 12 and a display 13 for information display, the master controller 12 is in communication connection with the ECU control unit 2, and the display 13 is connected with the output end of the master controller 12. The main controller 12 adopts a CPU in the prior art, and is configured to receive data detected by the sensors transmitted by the ECU control unit 2, and display the data on the display 13, so that a tester can conveniently observe the data detection conditions of the sensors, and can observe the operation conditions of the simulation bench in combination with the data, thereby performing performance detection on the EBS system better.
The application aims at providing an EBS system test simulation platform which is used for simulating the connection relation and the structural improvement of each component, does not relate to a software part, and adopts components which are conventional components in the prior art; the tester can burn the software designed by the tester into the ECU control unit 2 according to the test requirement, and simulate how the designed software controls the brake mechanism to brake when the wheel 3 is in a brake state, so as to test whether the software is proper or not and whether the software needs to be improved or not; secondly, the simulation of different conditions can also be carried out to this application, for example the rotational speed of several wheels 3 is inconsistent, certain or several wheels 3 speed signal is lacked, the dynamics of stepping on foot-operated brake switch 11, speed are different to satisfy experimenter's different demands.
The core of the application is that the pedal type brake switch 11 is arranged, and the pedal force sensor is arranged on the pedal type brake switch 11, so that the foot brake during actual operation can be conveniently simulated, and the actual situation can be simulated more truly; the force and the speed of stepping on the pedal brake switch 11 are detected by installing a pedal force sensor, so that the ECU control unit 2 can control the opening of the ABS electromagnetic valve 6 according to the signal of the pedal force sensor, the braking force is controlled, and the pneumatic braking force is fed back by a three-dimensional force sensor to form closed-loop control; then, whether the deceleration of the wheel 3 is the deceleration intended by the driver is externally observed, so that it is possible to judge whether the performance of the EBS system is satisfactory.
The simulation platform further comprises a power line for providing a power supply, the end portion of the power line is connected with a power plug, power is conveniently supplied to each mechanism of the simulation platform, and normal operation of the whole simulation platform is guaranteed.
And motor speed regulating switches 9 which correspond to the hub motors one by one are fixedly arranged at the top of the frame 1. The motor speed regulation switch 9 is a motor speed regulation switch 9 in the prior art, and each hub motor is provided with one motor speed regulation switch 9 for respectively regulating the speed of each hub motor, so that the brake control can be conveniently performed by the control program of the EBS system when the rotating speeds of different vehicles are different.
The speed sensor 8 is connected with the ECU control unit 2 through a quick connector convenient to plug and pull out, the quick connector comprises a male connector and a female connector which are matched with each other, the female connector is connected with the speed sensor 8, and the male connector is connected with the ECU control unit 2. The quick coupling adopts the quick coupling among the prior art, and every tachometer sensor 8 all is connected with ECU the control unit 2 through quick coupling, is convenient for cut off one or several tachometer sensors 8 alone to the simulation is when the speed signal of a wheel 3 or several wheels 3 is lacked, how ECU the control unit 2 controls the brake mechanism and brakes.
The top of one side of the frame 1 is also fixedly provided with a starting switch 14, an emergency stop switch 16, a power indicator light 16 and a fault indicator light 17. The starting switch 14 and the emergency stop switch 15 are connected with the input end of the ECU control unit 2, so that pneumatic and emergency stop instructions can be conveniently input; the power indicator lamp 16 and the fault indicator lamp 17 are connected with the output end of the ECU control unit 2, so that power-on and fault indication are facilitated.
The bottom of the frame 1 is also fixedly provided with a caster 10 convenient to move. The casters 10 are arranged to facilitate the movement of the simulation platform, and facilitate the adjustment of the position of the simulation platform according to the actual test requirements.
Claims (6)
1. The utility model provides a EBS system performance testing simulation platform which characterized in that: the simulation platform comprises a frame, wherein an ECU (electronic control Unit), a wheel mechanism and a brake mechanism are arranged on the frame, the wheel mechanism comprises 4 wheels, and each wheel is arranged on the frame through a hub motor; the brake mechanism comprises a brake disc fixedly mounted with a wheel, a brake shoe matched with the brake disc and a pedal type brake switch fixedly mounted at the lower part of the frame, the brake shoe is fixedly mounted on the frame through a driving cylinder, a gas storage tank for providing a gas source for the driving cylinder is also fixedly mounted on the frame, the gas storage tank is externally connected with a high-pressure gas source, the driving cylinder is communicated with the gas storage tank through a gas supply pipe, and an ABS (anti-lock brake system) electromagnetic valve and a pressure sensor are mounted on the gas supply pipe; the pedal type brake switch is provided with a pedal force sensor, an output shaft of the hub motor is provided with a three-dimensional force sensor, a brake shoe is provided with an abrasion sensor, the frame is also fixedly provided with a speed sensor for monitoring the rotating speed of the wheel, the pressure sensor, the pedal force sensor, the three-dimensional force sensor and the speed sensor are all connected with the input end of the ECU, and the hub motor and the ABS electromagnetic valve are connected with the output end of the ECU.
2. The EBS system performance testing simulation console of claim 1, wherein: the simulation platform also comprises a master controller and a display for information display, wherein the master controller is in communication connection with the ECU, and the display is connected with the output end of the master controller.
3. The EBS system performance testing simulation console of claim 1, wherein: and motor speed regulating switches which correspond to the hub motors one to one are fixedly arranged at the top of the frame.
4. The EBS system performance testing simulation console of claim 1, wherein: the speed sensor is connected with the ECU control unit through a quick connector convenient to plug and pull, the quick connector of the power line for providing power supply comprises a male connector and a female connector which are matched with each other, the female connector is connected with the speed sensor, and the male connector is connected with the ECU control unit.
5. The EBS system performance testing simulation console of claim 1, wherein: and the top of one side of the frame is also fixedly provided with a starting switch, an emergency stop switch, a power indicator and a fault indicator.
6. The EBS system performance testing simulation console of claim 1, wherein: the bottom of the frame is also fixedly provided with a caster which is convenient to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350439.4U CN212300862U (en) | 2020-07-10 | 2020-07-10 | EBS system performance detection simulation platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021350439.4U CN212300862U (en) | 2020-07-10 | 2020-07-10 | EBS system performance detection simulation platform |
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| Publication Number | Publication Date |
|---|---|
| CN212300862U true CN212300862U (en) | 2021-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021350439.4U Active CN212300862U (en) | 2020-07-10 | 2020-07-10 | EBS system performance detection simulation platform |
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| CN (1) | CN212300862U (en) |
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2020
- 2020-07-10 CN CN202021350439.4U patent/CN212300862U/en active Active
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