CN220396334U

CN220396334U - Automatic adjusting arm with built-in brake lining wear indication wireless transmission function

Info

Publication number: CN220396334U
Application number: CN202322172892.0U
Authority: CN
Inventors: 潘建绍
Original assignee: Shaoxing Chida Automobile Fitting Manufacture Co ltd
Current assignee: Shaoxing Chida Automobile Fitting Manufacture Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-01-26
Anticipated expiration: 2033-08-14

Abstract

The utility model discloses an automatic adjusting arm with a built-in brake lining wear indication wireless transmission function, and relates to the technical field of automobile brake systems. The automatic adjusting arm with the built-in brake lining wear indication wireless transmission function comprises a brake clearance automatic adjusting mechanism, a worm wheel rotation angle monitoring sensing part and a wireless module part, wherein the brake clearance automatic adjusting mechanism, the worm wheel rotation angle monitoring sensing part and the wireless module part are arranged in the adjusting arm. The utility model improves and optimizes the device on the basis of a brake clearance automatic adjusting arm with a built-in brake lining wear indication function, and reduces the complexity, the difficult problem and the problem caused by a wired connection mode.

Description

Automatic adjusting arm with built-in brake lining wear indication wireless transmission function

Technical Field

The utility model relates to the technical field of automobile braking systems, in particular to an automatic adjusting arm with a built-in brake lining wear indication wireless transmission function.

Background

The automatic brake clearance adjusting arm, which is called an automatic adjusting arm for short, is a device capable of automatically adjusting the brake clearance in real time, ensuring that the brake clearance is in a proper value, ensuring that the brake is timely and reliable, and being very beneficial to driving safety. In addition, the ABS-equipped vehicles cannot ensure optimal performance without the automatic adjusting arm, because the braking gap is manually adjusted, it is difficult to ensure the consistency of the braking gap between the wheels due to the adjusting skill, thereby causing a situation that the arm of force and the braking force of different brake pumps differ greatly.

Along with the continuous development of science and technology, the use in current production life can not be satisfied to original automatic adjustment arm, connects each component through wired in the present automatic adjustment arm.

Such an adjusting arm has a problem in practice:

the connection by wire is complicated.

Disclosure of Invention

The technical problem to be solved by the present utility model is to provide an automatic adjusting arm with a built-in brake lining wear indication wireless transmission function, which aims at the above-mentioned drawbacks of the prior art.

The technical scheme adopted for solving the technical problems is as follows: the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function comprises a brake clearance automatic adjusting mechanism, a worm wheel rotation angle monitoring sensing part and a wireless module part, wherein the brake clearance automatic adjusting mechanism, the worm wheel rotation angle monitoring sensing part and the wireless module part are arranged in the adjusting arm, and the automatic adjusting arm is improved and optimized on the basis of the brake clearance automatic adjusting arm with the built-in brake lining wear indication function through the setting device, so that the complexity, the difficulty and the problem caused by a wired connection mode are reduced.

In the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function, a circuit board is arranged in the wireless module part, and a power module is arranged in the wireless module part.

In the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function, the circuit board is connected with the battery, and the circuit board needs to be provided with a power supply on the premise of no external power supply, so that the whole wireless module can work normally, an effective power supply is provided for the sensor, and the sensor can operate normally.

In the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function, the battery is connected with the MCU, so that the whole system can operate for a long time, and the chip has the functions of signal analysis and conversion besides controlling power supply and converts an analog electric signal into a digital signal.

In the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function, the wireless module part is internally provided with the wireless transmission chip, and the wireless module part is internally provided with the antenna, so that the wireless technology such as Bluetooth or 433 is utilized to effectively transmit to the control box.

In the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function, the wireless module part is internally provided with the vibration sensor for detecting whether the vehicle is in an on state or a parking state, so that the energy consumption of a system power supply is saved.

In the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function, the Hall switch is arranged in the wireless module part, and when the product is used for the first time, the product is effectively started to be used normally by using the magnet induction.

In the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function, the connecting wire is arranged on the adjusting arm, and the worm wheel rotation angle monitoring sensing part is connected with the wireless module part through the connecting wire to realize connection between elements.

Compared with the related art, the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function has the following beneficial effects:

the utility model provides an automatic adjusting arm with a built-in brake lining wear indication wireless transmission function, which is characterized in that the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function is provided with a brake clearance automatic adjusting mechanism and other parts, the current adjusting arm is troublesome and complex when connected by a wire through a connecting element, and the arrangement of the brake clearance automatic adjusting mechanism, a worm wheel rotation angle monitoring sensing part and a wireless module part can be controlled by wireless, so that the problems of wired complexity and difficulty are solved; the automatic brake clearance adjusting mechanism recognizes normal clearance, excessive clearance and elastic deformation by sensing the rotating angle of the automatic brake clearance adjusting mechanism and the change of the reaction force of the camshaft, so that only the excessive clearance is adjusted, and the constant normal clearance is ensured. The worm wheel rotation angle monitoring sensing part is used for carrying out angle zeroing on the ECU when the adjusting arm is initially installed (or a new brake lining is replaced), and the adjusting arm and the cam sleeve are in shaft sleeve together, so that the adjusting arm and the air chamber pin shaft are naturally aligned and have no interaction force, and the working position of the cam shaft is the starting point. When the brake lining is worn, the adjusting arm can continuously adjust the brake clearance, and the angle positions of the worm wheel, the large gear and the cam shaft relative to the adjusting arm shell are changed. At this moment, the sensing gear also rotates, and at this moment, the sensor sensing head assembly can transmit the angle that the sensing gear rotated to the ECU with the mode of signal of telecommunication and handle the analysis, the real-time monitoring camshaft's working position to indirectly monitor the brake lining wearing and tearing condition, in this process, indicate the wearing and tearing condition of brake lining in real time through the signal that the ECU sent. When the camshaft rotates by a fixed angle value, the abrasion of the brake lining reaches the limit, the ECU sends out a signal to alarm, and the ECU can only alarm the abrasion limit according to the requirement, but does not indicate in real time. When the system is installed for the first time, the wireless module part is in an unopened state, and when the magnets which are matched correspondingly are used for approaching, the system is matched with the receiving box (namely the ECU) in a wireless mode until the matching is successful. When the vehicle is in a non-use and parking state, the vibration sensor can control the system to be in a dormant state, so that the battery loss can be reduced, and the service life of the battery can be prolonged. When the vehicle is in normal use, the vibration sensor detects the vibration of the vehicle, so that the system is in an on state, and at the moment, the system MCU controls the working state of the system according to the working time, detects the thickness of the brake lining once at regular intervals, converts the analog electric signal into a digital signal through signal conversion, and transmits the digital signal to the wireless transmitting chip. And after receiving the effective digital signal, the wireless transmitting chip transmits the effective digital signal in a wireless transmission mode and waits for the signal receiving signal of the ECU box. After the ECU box receives the signal, certain data calculation is carried out after specific data analysis and conversion, and finally the signal is converted into abrasion percentage to be displayed on an alarm display screen; the sensor is arranged in the adjusting arm, and indirectly monitors the abrasion loss of the brake lining through monitoring the rotation angle of the worm wheel, so that indication and alarm are carried out. Can avoid external mechanical damage. The external dimension does not change the structural dimension of the existing adjusting arm, the camshaft does not need to be lengthened additionally during installation, and the riveting mode of the brake lining does not need to be changed. And no extra work is brought to the user. When the battery consumes electricity, the battery can be replaced or integrally disassembled and assembled, so that the battery can be reused for many times. The cost is low. The cost is reduced due to the reduction of intermediate connection lines. Convenient to use. Because the products are standard components, no matter which shaft is installed on, the installation can be completed through effective matching, and the use effect is achieved; and because the connecting wire is omitted, the installation difficulty is reduced when the installation is matched. The system working state is controlled in a multistage manner through multistage power protection, such as a Hall switch, a vibration sensor and an MCU chip, so that the power supply is maximized.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of an automatic adjustment arm with a built-in brake pad wear indication wireless transmission function according to the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of an automatic adjustment arm with a built-in brake pad wear indication wireless transmission function according to the present utility model;

fig. 3 is a schematic structural view of an automatic adjusting arm with a built-in brake lining wear indication wireless transmission function according to the third embodiment of the present utility model.

Reference numerals in the drawings: 1. a brake clearance automatic adjustment mechanism; 2. a worm wheel rotation angle monitoring and sensing part; 3. a wireless module section; 4. a circuit board; 5. a battery; 6. an MCU; 7. a wireless transmission chip; 8. an antenna; 9. a vibration sensor; 10. a Hall switch; 11. a connecting wire; 12. and (5) adjusting the arm.

Description of the embodiments

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings.

Examples

As shown in fig. 1, the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function comprises a brake clearance automatic adjusting mechanism 1, a worm wheel rotation angle monitoring sensing part 2 and a wireless module part 3, wherein the brake clearance automatic adjusting mechanism 1, the worm wheel rotation angle monitoring sensing part 2 and the wireless module part 3 are arranged in the adjusting arm 12, and the improvement and optimization are carried out on the basis of the brake clearance automatic adjusting arm with the built-in brake lining wear indication function through the arrangement device, so that the complexity, the difficulty and the problem caused by a wired connection mode are reduced.

As shown in fig. 2 and 3, a circuit board 4 is provided in the wireless module section 3, and a power supply module is provided in the module; the circuit board 4 is connected with the battery 5, and needs to be provided with a power supply on the premise of no external power supply, so that the whole wireless module can work normally, an effective power supply is provided for the sensor, and the sensor can operate normally; the battery 5 is connected with the MCU6, so that the whole system can operate for a long time, and the chip has the functions of signal analysis and conversion besides controlling power supply, and converts analog electric signals into digital signals; a wireless transmission chip 7 is arranged in the wireless module part 3, an antenna 8 is arranged in the wireless module part 3, and the wireless module part is effectively transmitted to the control box by utilizing wireless technologies such as Bluetooth or 433 and the like; the wireless module part 3 is internally provided with a vibration sensor 9 for detecting whether the vehicle is in an on state or a parking state, so that the energy consumption of a system power supply is saved; the wireless module part 3 is internally provided with a Hall switch 10, and when the product is used for the first time, the magnet induction is used for effectively starting the normal use of the product.

Further, in an embodiment of the present utility model, as shown in fig. 2 and 3, a connection line 11 is provided on the adjustment arm 12, and the worm wheel rotation angle monitoring and sensing part 2 is connected with the wireless module part 3 through the connection line 11, so as to realize connection between elements; the existing adjusting arm 12 is connected with the element through wires, the wired connection is troublesome and complex, and the arrangement of the automatic adjusting mechanism 1 for the braking gap, the worm wheel rotation angle monitoring and sensing part 2 and the wireless module part 3 can be controlled through wireless, so that the problems of the wired connection and the complex problems are solved; the automatic brake clearance adjusting mechanism 1 recognizes normal clearance, excessive clearance and elastic deformation by sensing the rotating angle and the change of the reaction force of the camshaft, thereby only adjusting the excessive clearance and ensuring the constant normal clearance. The worm wheel rotation angle monitoring sensing part 2 is used for carrying out initial installation of the adjusting arm 12 or replacement of a new brake lining, when the adjusting arm 12 and the cam sleeve are sleeved together, at the moment, the adjusting arm 12 and the air chamber pin shaft are naturally aligned, no interaction force exists, the working position of the cam shaft at the moment is a starting point, and at the moment, the angle of the ECU is zeroed. When the brake pads are worn, the adjustment arm 12 will constantly adjust the brake clearance, changing the angular position of the worm gear, the bull gear and the camshaft relative to the housing of the adjustment arm 12. At this moment, the sensing gear also rotates, and at this moment, the sensor sensing head assembly can transmit the angle that the sensing gear rotated to the ECU with the mode of signal of telecommunication and handle the analysis, the real-time monitoring camshaft's working position to indirectly monitor the brake lining wearing and tearing condition, in this process, indicate the wearing and tearing condition of brake lining in real time through the signal that the ECU sent. When the camshaft rotates by a fixed angle value, the abrasion of the brake lining reaches the limit, the ECU sends out a signal to alarm, and the ECU can only alarm the abrasion limit according to the requirement, but does not indicate in real time. The wireless module part 3 is in an unopened state when the system is initially installed, and when the magnets which are correspondingly matched are used to approach, the system is in wireless matching with the receiving box, namely the ECU, until the matching is successful. When the vehicle is not in use and is in a parking state, the vibration sensor 9 can control the system to be in a dormant state, so that the loss of the battery 5 can be reduced, and the service life of the battery 5 can be prolonged. When the vehicle is in normal use, the vibration sensor 9 detects the vibration of the vehicle, so that the system is in an on state, and the system MCU6 detects the thickness of the brake lining once every certain time according to the working state of the working timing control system, converts the analog electric signal into a digital signal through signal conversion and transmits the digital signal to the wireless transmitting chip. And after receiving the effective digital signal, the wireless transmitting chip transmits the effective digital signal in a wireless transmission mode and waits for the signal receiving signal of the ECU box. After the ECU box receives the signal, certain data calculation is carried out after specific data analysis and conversion, and finally the signal is converted into abrasion percentage to be displayed on an alarm display screen; the sensor is built in the adjusting arm 12, and the abrasion loss of the brake lining is indirectly monitored through monitoring the rotation angle of the worm wheel, so that indication and alarm are performed. Can avoid external mechanical damage. The external dimension does not change the structural dimension of the existing adjusting arm 12, and the camshaft is not required to be additionally lengthened during installation, and the riveting mode of the brake lining is not required to be changed. And no extra work is brought to the user. When the battery 5 consumes electricity, the battery 5 can be replaced or integrally disassembled and assembled, so that the battery can be reused. The cost is low. The cost is reduced due to the reduction of the intermediate connection line 11. Convenient to use. Because the products are standard components, no matter which shaft is installed on, the installation can be completed through effective matching, and the use effect is achieved; and the difficulty in installation is reduced in the case of installation matching because the connecting wire 11 is omitted. The system working state is controlled in a multistage manner through multistage power protection, such as a Hall switch 10, a vibration sensor 9 and an MCU6 chip, so that the power supply is maximized.

The working principle of the automatic adjusting arm with the built-in brake lining wear indication wireless transmission function provided by the utility model is as follows:

the first innovation point implements the steps of:

the first step: the existing adjusting arm 12 is connected with the element through wires, the wired connection is troublesome and complex, and the arrangement of the automatic adjusting mechanism 1 for the braking gap, the worm wheel rotation angle monitoring and sensing part 2 and the wireless module part 3 can be controlled through wireless, so that the problems of the wired connection and the complex problems are solved;

and a second step of: the automatic brake clearance adjusting mechanism 1 recognizes normal clearance, excessive clearance and elastic deformation by sensing the rotating angle and the change of the reaction force of the camshaft, thereby only adjusting the excessive clearance and ensuring the constant normal clearance. The worm wheel rotation angle monitoring sensing part 2 is used for carrying out initial installation of the adjusting arm 12 or replacement of a new brake lining, when the adjusting arm 12 and the cam sleeve are sleeved together, at the moment, the adjusting arm 12 and the air chamber pin shaft are naturally aligned, no interaction force exists, the working position of the cam shaft at the moment is a starting point, and at the moment, the angle of the ECU is zeroed. When the brake pads are worn, the adjustment arm 12 will constantly adjust the brake clearance, changing the angular position of the worm gear, the bull gear and the camshaft relative to the housing of the adjustment arm 12. At this moment, the sensing gear also rotates, and at this moment, the sensor sensing head assembly can transmit the angle that the sensing gear rotated to the ECU with the mode of signal of telecommunication and handle the analysis, the real-time monitoring camshaft's working position to indirectly monitor the brake lining wearing and tearing condition, in this process, indicate the wearing and tearing condition of brake lining in real time through the signal that the ECU sent. When the camshaft rotates by a fixed angle value, the abrasion of the brake lining reaches the limit, the ECU sends out a signal to alarm, and the ECU can only alarm the abrasion limit according to the requirement, but does not indicate in real time. The wireless module part 3 is in an unopened state when the system is initially installed, and when the magnets which are correspondingly matched are used to approach, the system is in wireless matching with the receiving box, namely the ECU, until the matching is successful. When the vehicle is not in use and is in a parking state, the vibration sensor 9 can control the system to be in a dormant state, so that the loss of the battery 5 can be reduced, and the service life of the battery 5 can be prolonged. When the vehicle is in normal use, the vibration sensor 9 detects the vibration of the vehicle, so that the system is in an on state, and the system MCU6 detects the thickness of the brake lining once every certain time according to the working state of the working timing control system, converts the analog electric signal into a digital signal through signal conversion and transmits the digital signal to the wireless transmitting chip. And after receiving the effective digital signal, the wireless transmitting chip transmits the effective digital signal in a wireless transmission mode and waits for the signal receiving signal of the ECU box. After the ECU box receives the signal, certain data calculation is carried out after specific data analysis and conversion, and finally the signal is converted into abrasion percentage to be displayed on an alarm display screen;

and a third step of: the sensor is built in the adjusting arm 12, and the abrasion loss of the brake lining is indirectly monitored through monitoring the rotation angle of the worm wheel, so that indication and alarm are performed. Can avoid external mechanical damage. The external dimension does not change the structural dimension of the existing adjusting arm 12, and the camshaft is not required to be additionally lengthened during installation, and the riveting mode of the brake lining is not required to be changed. And no extra work is brought to the user. When the battery 5 consumes electricity, the battery 5 can be replaced or integrally disassembled and assembled, so that the battery can be reused. The cost is low. The cost is reduced due to the reduction of the intermediate connection line 11. Convenient to use. Because the products are standard components, no matter which shaft is installed on, the installation can be completed through effective matching, and the use effect is achieved; and the difficulty in installation is reduced in the case of installation matching because the connecting wire 11 is omitted. The system working state is controlled in a multistage manner through multistage power protection, such as a Hall switch 10, a vibration sensor 9 and an MCU6 chip, so that the power supply is maximized.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Automatic adjusting arm with built-in brake lining wear indication wireless transmission function, comprising an adjusting arm (12), a brake clearance automatic adjusting mechanism (1), a worm wheel rotation angle monitoring sensing part (2) and a wireless module part (3), and is characterized in that: the automatic brake clearance adjusting mechanism (1), the worm wheel rotation angle monitoring and sensing part (2) and the wireless module part (3) are arranged in the adjusting arm (12).

2. The automatic adjustment arm with built-in brake lining wear indication wireless transmission function according to claim 1, characterized in that a circuit board (4) is provided in the wireless module part (3).

3. The automatic adjustment arm with built-in brake lining wear indication wireless transmission function according to claim 2, characterized in that the circuit board (4) is connected to a battery (5).

4. An automatic adjusting arm with built-in brake lining wear indication wireless transmission function according to claim 3, characterized in that the battery (5) is connected to the MCU (6).

5. The automatic adjusting arm with a built-in brake lining wear indication wireless transmission function according to claim 1, characterized in that a wireless transmission chip (7) is arranged in the wireless module part (3), and an antenna (8) is arranged in the wireless module part (3).

6. An automatic adjusting arm with built-in brake lining wear indication wireless transmission function according to claim 1, characterized in that a vibration sensor (9) is provided in the wireless module part (3).

7. The automatic adjustment arm with built-in brake lining wear indication wireless transmission function according to claim 1, characterized in that a hall switch (10) is provided in the wireless module part (3).

8. The automatic adjusting arm with the built-in brake lining wear indication wireless transmission function according to claim 1, wherein a connecting wire (11) is arranged on the adjusting arm (12), and the worm wheel rotation angle monitoring sensing part (2) is connected with the wireless module part (3) through the connecting wire (11).