CN215492182U

CN215492182U - Brake pedal force detection device for motor vehicle detection

Info

Publication number: CN215492182U
Application number: CN202121783320.0U
Authority: CN
Inventors: 刘书发; 张超
Original assignee: Guizhou Xinliyuan Technology Co ltd
Current assignee: Guizhou Xinliyuan Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-01-11
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a brake pedal force detection device for motor vehicle detection, which comprises a hand-held pedal force meter, wherein an LCD display screen, four indicator lamps and a key operation area are fixedly arranged on the front surface of the hand-held pedal force meter from top to bottom in sequence, a hand brake interface and a pedal foot brake interface are fixedly arranged on the top of the hand-held pedal force meter, and an electromagnetic shielding signal wire is inserted outside the pedal foot brake interface. The application range is wider, and the practical value is higher.

Description

Brake pedal force detection device for motor vehicle detection

Technical Field

The utility model relates to the technical field of automobile manufacturing detection, in particular to a brake pedal force detection device for motor vehicle detection.

Background

The acquisition and analysis of the brake pedal force of the automobile are important bases for detecting and researching personnel to analyze the safety and the comfort of automobile operation according to the engineering theory, the pedal feedback force of the automobile brake pedal is reasonably adjusted, and the safety and the comfort of the automobile are guaranteed. Therefore, the automobile brake pedal force is a performance index which needs to be tested in the tests of service braking time, thermal braking skill and the like.

In the existing products, basic functions such as data measurement, display and upper computer data transmission are solved, but the data processing efficiency is low, the detection result precision is not high, the display is not visual and clear enough, and the practicability is not high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a brake pedal force detection device for motor vehicle detection, which solves the problems that the data processing efficiency is low, the detection result precision is not high, the display is not visual and clear enough and the practicability is not high although basic functions such as data measurement, display and upper computer data transmission are solved in the conventional products proposed in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a brake pedal force detection device for motor vehicle detection comprises a hand-held pedal force meter, wherein an LCD display screen, four indicator lamps and a key operation area are fixedly arranged on the front face of the hand-held pedal force meter from top to bottom in sequence, a hand brake interface and a pedal foot brake interface are fixedly arranged on the top of the hand-held pedal force meter, an electromagnetic shielding signal wire is inserted outside the pedal foot brake interface, a pedal force sensor is fixedly arranged at one end, away from the pedal foot brake interface, of the electromagnetic shielding signal wire, a serial port communication interface and a charging interface are fixedly arranged at the bottom of the hand-held pedal force meter, a processing cavity is formed in the hand-held pedal force meter, a PCB circuit board is fixedly arranged on one side of the inner wall of the processing cavity, an MCU module and an analog signal amplification module are fixedly arranged on the surface of the PCB circuit board, and a battery bin is formed in the bottom of the back face of the hand-held pedal force meter, the interior of the battery cabin is connected with five nickel-hydrogen rechargeable batteries in a clamping manner.

As a preferred technical scheme of the utility model, the four indicating lamps are an undervoltage lamp, a system lamp, a communication lamp and a charging lamp in sequence, and the undervoltage lamp, the system lamp, the communication lamp and the charging lamp are all electrically connected with the MCU module.

As a preferred technical scheme of the utility model, the surface of the key operation area is fixedly provided with a printing key, a switch key, a cancel key and a confirm key in sequence, and the printing key, the switch key, the cancel key and the confirm key are all electrically connected with the MCU module.

As a preferable technical scheme of the utility model, the outer side of the battery bin is connected with a battery disassembling sliding cover in a sliding mode.

As a preferred technical scheme of the utility model, a power line is inserted into the charging interface, a power adapter is fixedly mounted at one end of the power line, which is far away from the handheld pedal force meter, five nickel-hydrogen rechargeable batteries are electrically connected with the charging interface, the charging interface is electrically connected with the power adapter through the power line, and the power adapter is electrically connected with an external power supply.

As a preferred technical scheme, the pedal force sensor is electrically connected with the analog signal amplification module, the serial port communication interface and the LCD are electrically connected with the MCU module, and the MCU module is electrically connected with the nickel-hydrogen rechargeable battery.

Compared with the prior art, the utility model has the beneficial effects that: this detection device adopts the footboard force sensor of high accuracy and the AD chip of high performance to carry out analog-to-digital conversion, and the LCD display screen can show test data and peak data etc. as main display device in real time, and is clear directly perceived, and simple and practical has improved measuring precision and efficiency, and the complete machine design accords with ergonomics, is convenient for control, has still possessed the one-key printing of testing result and mains voltage's undervoltage detection function, and application scope is wider, and practical value is higher.

Drawings

FIG. 1 is a schematic view of a front view of the main body of the present invention;

FIG. 2 is a schematic side view of a cross-sectional structure of the main body of the present invention;

FIG. 3 is a schematic bottom sectional view of the main body of the present invention;

fig. 4 is a schematic block diagram of the principle of the present invention.

In the figure: 1. a hand-held pedal effort meter; 2. a key operation area; 3. an indicator light; 4. an LCD display screen; 5. a hand brake interface; 6. a pedal foot brake interface; 7. an electromagnetic shielding signal line; 8. a pedal force sensor; 9. a power adapter; 10. a power line; 11. a charging interface; 12. a serial communication interface; 13. a treatment chamber; 14. a PCB circuit board; 15. an MCU module; 16. an analog signal amplification module; 17. a nickel-hydrogen rechargeable battery; 18. a battery compartment; 19. the battery is detached from the sliding cover.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-4, the utility model provides a brake pedal force detection device for motor vehicle detection, comprising a hand-held pedal force meter 1, wherein an LCD display 4, four indicator lamps 3 and a key operation area 2 are fixedly installed on the front surface of the hand-held pedal force meter 1 from top to bottom in sequence, a hand brake interface 5 and a pedal foot brake interface 6 are fixedly installed on the top of the hand-held pedal force meter 1, an electromagnetic shielding signal wire 7 is inserted on the outer side of the pedal foot brake interface 6, a pedal force sensor 8 is fixedly installed on one end of the electromagnetic shielding signal wire 7 far away from the pedal foot brake interface 6, a serial communication interface 12 and a charging interface 11 are fixedly installed on the bottom of the hand-held pedal force meter 1, a processing cavity 13 is opened inside the hand-held pedal force meter 1, a PCB circuit board 14 is fixedly installed on one side of the inner wall of the processing cavity 13, an MCU module 15 and an analog signal amplifying module 16 are fixedly installed on the surface of the PCB 14, the bottom of the back of the hand-held pedal force meter 1 is provided with a battery compartment 18, and five nickel-hydrogen rechargeable batteries 17 are clamped and connected inside the battery compartment 18.

Preferably, four pilot lamps 3 are under-voltage lamp, system's lamp, communication lamp and the lamp that charges in proper order, and under-voltage lamp, system's lamp, communication lamp and the lamp that charges all with MCU module 15 electric connection, the user of being convenient for masters the internal state of handheld footboard power meter 1 fast.

Preferably, the surface of the key operation area 2 is sequentially and fixedly provided with a printing key, a switch key, a canceling key and a confirming key, and the printing key, the switch key, the canceling key and the confirming key are all electrically connected with the MCU module 15, so that the functions are more comprehensive, and the operation and the use are more convenient.

Preferably, the outer side of the battery compartment 18 is slidably connected with a battery disassembling sliding cover 19, so that the nickel-hydrogen rechargeable battery 17 can be quickly assembled and disassembled, and the use is more convenient.

Preferably, the power cord 10 is inserted into the charging interface 11, the power cord 10 is fixedly mounted at one end, away from the handheld pedal force meter 1, of the power cord 10, the power adapter 9 is fixedly mounted at one end, five nickel-hydrogen rechargeable batteries 17 are electrically connected with the charging interface 11, the charging interface 11 is electrically connected with the power adapter 9 through the power cord 10, the power adapter 9 is electrically connected with an external power supply, and the structural design is reasonable.

Preferably, footboard force transducer 8 and the 16 electric connection of analog signal amplification module, analog signal amplification module 16, serial communication interface 12 and LCD display screen 4 all with MCU module 15 electric connection, MCU module 15 and the 17 electric connection of nickel-hydrogen rechargeable battery, adopt footboard force transducer 8 and the AD chip of high performance of high accuracy to carry out analog-to-digital conversion, LCD display screen 4 is as main display device, can show test data and peak data etc. in real time, it is clear directly perceived, and is simple and practical, and measuring precision and efficiency are improved.

When the brake pedal force detection device is used in detail, the brake pedal force detection device for detecting the motor vehicle is characterized in that a pedal force sensor 8 is directly connected with a handheld pedal force meter 1 through an electromagnetic shielding signal wire 7, when force values are measured, force values are selected and confirmed according to ═ ↓, → and → keys on a menu item interface, instantaneous force and peak force values of the pedal force of the current vehicle to be detected are displayed on the interface, the force values are transmitted to an upper computer in real time through a serial port communication interface 12, the detection device adopts the high-precision pedal force sensor 8 and a high-performance AD chip to carry out analog-to-digital conversion, an LCD display screen 4 is used as a main display device, test data, peak value data and the like can be displayed in real time, the detection device is clear, visual, simple and practical, the measurement precision and efficiency are improved, the whole machine design accords with human engineering, the control is convenient, and the detection device also has the functions of one-key printing of detection results and the under-voltage detection of the power supply, the application range is wider, and the practical value is higher.

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 various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a motor vehicle detects uses brake pedal power detection device, includes handheld pedal effort meter (1), its characterized in that: the hand-held pedal effort meter comprises a hand-held pedal effort meter (1), wherein an LCD display screen (4), four indicator lamps (3) and a key operation area (2) are fixedly installed on the front side of the hand-held pedal effort meter (1) from top to bottom in sequence, a hand brake interface (5) and a pedal foot brake interface (6) are fixedly installed on the top of the hand-held pedal effort meter (1), an electromagnetic shielding signal wire (7) is inserted into the outer side of the pedal foot brake interface (6), a pedal effort sensor (8) is fixedly installed at one end, away from the pedal foot brake interface (6), of the electromagnetic shielding signal wire (7), a serial port communication interface (12) and a charging interface (11) are fixedly installed at the bottom of the hand-held pedal effort meter (1), a processing cavity (13) is formed in the hand-held pedal effort meter (1), a PCB circuit board (14) is fixedly installed on one side of the inner wall of the processing cavity (13), an MCU module (15) and an analog signal amplification module (16) are fixedly installed on the surface of the PCB circuit board (14), the bottom of the back of the handheld pedal force meter (1) is provided with a battery bin (18), and the inside of the battery bin (18) is connected with five nickel-hydrogen rechargeable batteries (17) in a clamping manner.

2. The brake pedal force detection apparatus for vehicle testing according to claim 1, wherein: four pilot lamp (3) are undervoltage lamp, system's lamp, communication lamp and the lamp that charges in proper order, undervoltage lamp, system's lamp, communication lamp and the lamp that charges all with MCU module (15) electric connection.

3. The brake pedal force detection apparatus for vehicle testing according to claim 1, wherein: the surface of the key operation area (2) is sequentially and fixedly provided with a printing key, a switch key, a canceling key and a confirming key, and the printing key, the switch key, the canceling key and the confirming key are all electrically connected with the MCU module (15).

4. The brake pedal force detection apparatus for vehicle testing according to claim 1, wherein: the outer side of the battery bin (18) is connected with a battery dismounting sliding cover (19) in a sliding manner.

5. The brake pedal force detection apparatus for vehicle testing according to claim 1, wherein: the portable pedal dynamometer is characterized in that a power line (10) is inserted into the charging interface (11), a power adapter (9) is fixedly mounted at one end, far away from the handheld pedal dynamometer (1), of the power line (10), five nickel-hydrogen rechargeable batteries (17) are electrically connected with the charging interface (11), the charging interface (11) is electrically connected with the power adapter (9) through the power line (10), and the power adapter (9) is electrically connected with an external power supply.

6. The brake pedal force detection apparatus for vehicle testing according to claim 1, wherein: the pedal force sensor (8) is electrically connected with the analog signal amplification module (16), the serial port communication interface (12) and the LCD display screen (4) are electrically connected with the MCU module (15), and the MCU module (15) is electrically connected with the nickel-hydrogen rechargeable battery (17).