CN115416638A

CN115416638A - Brake detection device and detection system thereof

Info

Publication number: CN115416638A
Application number: CN202211193546.4A
Authority: CN
Inventors: 张治浩
Original assignee: Suzhou Naserjia Electronic Technology Co ltd
Current assignee: Suzhou Naserjia Electronic Technology Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2022-12-02

Abstract

The invention discloses a brake detection device and a detection system thereof, which comprise a connecting rod fixedly connected to a brake lever, wherein the connecting rod rotates along with the rotation of the brake lever, one end of the connecting rod, which is far away from the brake lever, is connected with a sensor mechanical arm, the middle part of the sensor mechanical arm is fixedly connected with a sensing lever of a sensor, a reset spring is sleeved outside the sensing lever, the sensor is fixedly connected with a sensor mounting base, and the sensor mounting base is fixedly connected with a support through a bolt.

Description

Brake detection device and detection system thereof

Technical Field

The invention relates to the technical field of automobiles, in particular to a brake detection device and a detection system thereof.

Background

In the 12-month 12-year-2022 industrial machinery industry and the related commercial vehicle field, an internal combustion engine is in a transition from 3 stages to 4 stages, an engine ECU (electronic control unit) needs to identify the braking angle of a driver, the braking force and braking information of the conventional commercial vehicle are stored in a server of a manufacturer, and the driver cannot visually observe braking data.

Disclosure of Invention

In order to solve the technical problem, the invention provides a brake detection device which comprises a connecting rod fixedly connected to a brake rod, wherein the connecting rod rotates along with the rotation of the brake rod, one end, far away from the brake rod, of the connecting rod is connected with a sensor mechanical arm, the middle of the sensor mechanical arm is fixedly connected with a sensing rod of a sensor, a reset spring is sleeved on the outer side of the sensing rod, the sensor is fixedly connected with a sensor mounting base, and the sensor mounting base is fixedly connected with a support through a bolt.

Preferably: the sensor mechanical arm sends an electrical signal through the sensor according to the trampling angle of the brake, the electrical signal is expressed in the ECU of the vehicle through the sensor in an electrical mode, and then data transmitted by the sensor is displayed through the instrument in the cab.

Preferably: the connecting rod runs through the brake rod, and the brake rod is provided with a through hole corresponding to the connecting rod.

Preferably: the sensor mechanical arm is arranged in a hook shape, and the upper part of the sensor mechanical arm is provided with a jack corresponding to the connecting rod.

Preferably: the sensor mounting base is L-shaped, and a mounting hole is formed in the sensor mounting base corresponding to the sensor.

Preferably: the front end of the sensor mounting base is provided with a first limiting groove corresponding to the sensor mechanical arm, the rear end of the sensor mounting base is provided with a second limiting groove corresponding to the reset spring, one end of the reset spring is bent and clamped at the second limiting groove, and the other end of the reset spring is fixedly connected with the sensor mechanical arm.

Preferably: the sensor mounting base is provided with a through hole corresponding to the sensing rod.

Preferably: the support is L-shaped, and a support mounting hole is formed in one end, close to the brake lever, of the support.

Preferably: the connecting rod comprises a limiting part, a fixing part, an inserting part and a locking part, the outer diameter of the limiting part is larger than that of the inserting part, the limiting part is located on one side of the brake lever, an external thread structure is arranged on the outer wall of the fixing part, and the locking part is a nut.

The invention has the technical effects and advantages that:

according to the invention, a driver can feel the braking effect by directly observing the braking force through an instrument inside the cab, the driver can visually see data, and the driver can determine the treading force according to the data transmitted by the sensor, so that the hydraulic loss is reduced.

Drawings

FIG. 1 is a schematic view of an installation structure of a brake detection device provided in an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a brake detection device provided in an embodiment of the present application;

FIG. 3 is a schematic structural diagram of another view angle of the braking detection apparatus according to the embodiment of the present application;

FIG. 4 is a schematic structural diagram of a connecting rod in the brake detection apparatus provided in the embodiment of the present application;

FIG. 5 is a schematic circuit diagram of a brake detection system according to an embodiment of the present disclosure;

FIG. 6 is a signal simulation diagram of a single signal output mode in an embodiment of the present application;

FIG. 7 is a signal simulation diagram of a dual signal output mode in an embodiment of the present application;

fig. 8 is a signal simulation diagram of the PWM output mode in the embodiment of the present application.

In the figure: 1. a brake lever; 2. a connecting rod; 201. a limiting part; 202. a fixed part; 203. an insertion portion; 204. a locking portion; 3. a sensor mechanical arm; 301. a jack; 4. a sensor mounting base; 401. a first limit groove; 402. mounting holes; 403. a second limit groove; 5. a sensor; 501. a sensing rod; 502. a return spring; 6. a support; 601. and (4) a bracket mounting hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Please refer to fig. 1 to 3, in this embodiment, a brake detection apparatus is provided, which includes a connecting rod 2 fixedly connected to a brake lever 1, the connecting rod 2 penetrates through the brake lever 1, the brake lever 1 has a through hole corresponding to the connecting rod 2, and the connecting rod 2 rotates along with the rotation of the brake lever 1, one end of the connecting rod 2 far away from the brake lever 1 is connected to a sensor mechanical arm 3, the sensor mechanical arm 3 is configured in a hook shape, the upper portion of the sensor mechanical arm 3 has a socket 301 corresponding to the connecting rod 2, the socket 301 is slidably connected to the connecting rod 2, a sensing rod 501 fixedly connected to a sensor 5 at the middle of the sensor mechanical arm 3 is provided, a reset spring 502 is sleeved outside the sensing rod 501, the sensor 5 is fixedly connected to a sensor mounting base 4, the sensor mounting base 4 is configured in an L shape, a mounting hole 402 is provided corresponding to the sensor 5, the sensor 5 is fixedly mounted on the sensor mounting base 4, a first limit groove 401 is provided at the front end of the sensor mounting base 4 corresponding to the sensor mechanical arm 3, a second limit groove 403 is provided at the rear end of the sensor mounting base 4 corresponding to the reset spring 502, one end of the sensor mounting base 4 is provided with a second limit groove 403, one end of the mounting base 403 corresponding to the mounting base 6, a bolt of the mounting bracket 601, one end of the sensor mounting bracket 1 is provided with a fixed bracket 6, and a mounting bracket 601 through a mounting bracket 6.

When the driver steps on and presses the brake running-board, drive brake lever 1 and rotate, drive connecting rod 2 and rotate, drive sensor arm 3 and sensing pole 501 and rotate, reset spring 502 is compressed, and when the driver loosened the brake running-board, brake lever 1 resets, drives connecting rod 2 and resets, under reset spring 502 effect, drives sensor arm 3 and sensing pole 501 and resets.

Referring to fig. 4, the connecting rod 2 includes a limiting portion 201, a fixing portion 202, an inserting portion 203 and a locking portion 204, an outer diameter of the limiting portion 201 is larger than an outer diameter of the inserting portion 203, the inserting portion 203 is slidably connected to the insertion hole 301, the limiting portion 201 is located on one side of the brake lever 1, an external thread structure is arranged on an outer wall of the fixing portion 202, the fixing portion 202 penetrates through a through hole of the brake lever 1, the fixing portion 202 is in threaded connection with the locking portion 204, the locking portion 204 is a nut, the inserting portion 203 is inserted into the through hole from one side of the brake lever 1 away from the sensor 5, the locking portion 204 is sleeved outside the inserting portion 203, the connecting rod 2 is moved, the fixing portion 202 is moved into the through hole, the inserting portion 203 is inserted into the insertion hole 301, and then the locking portion 204 is tightened, so that the connecting rod 2 is installed.

Referring to fig. 5, a sensor 5 is connected with an external 5V power supply, a sensor mechanical arm 3 generates physical displacement according to a trampling angle of a brake, an electric signal is sent out through the sensor 5, the signal can be defined by programming according to demand parameters of an engine ECU, the sensor 5 is electrically expressed in the vehicle ECU, data transmitted by the sensor 5 is displayed through an instrument inside a cab, electric data sent out during braking is recorded in an on-board recorder, safety and data performance during driving are enhanced and maintained, a driver can visually perceive braking force through an internal instrument to feel braking effect, the driver can determine the force for trampling a brake pedal according to the data transmitted by the sensor, and further reduce the loss of a hydraulic rod in a hydraulic braking system, a position detector and an amplifier in the sensor 5 are connected with a switch positioning circuit, and the switch is controlled to be turned on and turned off by recognizing whether the sensing rod 501 is turned.

The working principle of the invention is as follows:

when a driver steps on a brake pedal, the brake lever 1 is driven to rotate, the connecting rod 2 is driven to rotate, the sensor mechanical arm 3 and the sensing lever 501 are driven to rotate, the reset spring 502 is compressed, when the driver releases the brake pedal, the brake lever 1 resets, the connecting rod 2 resets, the sensor mechanical arm 3 and the sensing lever 501 are driven to reset under the action of the reset spring 502, the sensor mechanical arm 3 sends out an electrical signal through the sensor 5 according to the stepping angle of the brake, the signal can be defined by programming according to the requirement parameters of the engine ECU, the signal is expressed in the vehicle ECU in an electrical mode through the sensor 5, data transmitted by the sensor 5 is displayed through an instrument inside a cab, the driver can visually feel the braking force through the internal instrument to feel the braking effect, the driver can determine the force for stepping on the brake pedal according to the data transmitted by the sensor, further reduce the loss of a hydraulic rod in a hydraulic brake system, a position detector and an amplifier connecting switch positioning circuit in the sensor 5 are connected, whether the sensing lever 501 rotates or not is identified, and further control the switch to be opened and switched on and output signals according to the stepping displacement stroke of the ECU, and the requirements of different vehicle systems, and the output modes are divided into a single-pulse width modulation (pulse width modulation) output mode and a PWM (pulse width modulation) output mode.

It is to be understood that the described embodiments are merely a few embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides a brake detection device, its characterized in that, includes connecting rod (2) of fixed connection on brake lever (1), just connecting rod (2) are followed brake lever (1) rotates and rotates, the one end connection sensor arm (3) of brake lever (1) is kept away from in connecting rod (2), sensing rod (501) of sensor arm (3) middle part fixed connection sensor (5), sensing rod (501) outside cover is equipped with reset spring (502), sensor (5) fixed connection sensor installation base (4), sensor installation base (4) are through bolt fixed connection support (6).

2. The brake detection device according to claim 1, wherein the physical displacement generated by the sensor mechanical arm (3) according to the stepping angle of the brake is electrically represented in the vehicle ECU by the sensor (5) through an electric signal sent by the sensor (5), and the data transmitted by the sensor (5) is displayed by an instrument inside the cab.

3. The brake detection device according to claim 1, wherein the connecting rod (2) penetrates through the brake lever (1), and the brake lever (1) is provided with a through hole corresponding to the connecting rod (2).

4. The brake detection device according to claim 1, wherein the sensor arm (3) is configured in a hook shape, and the upper portion of the sensor arm (3) is provided with a jack (301) corresponding to the connecting rod (2).

5. The brake detection device according to claim 1, wherein the sensor mounting base (4) is formed in an L shape, and the sensor mounting base (4) is provided with a mounting hole (402) corresponding to the sensor (5).

6. The brake detection device according to claim 5, wherein a first limit groove (401) is formed in the front end of the sensor mounting base (4) corresponding to the sensor mechanical arm (3), a second limit groove (403) is formed in the rear end of the sensor mounting base (4) corresponding to the return spring (502), one end of the return spring (502) is bent and clamped in the second limit groove (403), and the other end of the return spring (502) is fixedly connected with the sensor mechanical arm (3).

7. The brake detection device according to claim 8, wherein the sensor mounting base (4) is provided with a through hole corresponding to the sensing rod (501).

8. The brake detection device according to claim 1, wherein the bracket (6) is arranged in an L shape, and a bracket mounting hole (601) is formed at one end of the bracket (6) close to the brake lever (1).

9. The brake detection device according to claim 3, wherein the connecting rod (2) comprises a limiting portion (201), a fixing portion (202), an inserting portion (203) and a locking portion (204), the outer diameter of the limiting portion (201) is larger than that of the inserting portion (203), the limiting portion (201) is located on one side of the brake lever (1), the outer wall of the fixing portion (202) is provided with an external thread structure, and the locking portion (204) is a nut.

10. A braking detection system, characterized in that the braking detection apparatus of any one of claims 1 to 9 is used for detecting braking information of a vehicle.