An on-board AEBS intelligent emergency braking system

Abstract

This utility model discloses an on-board AEBS intelligent emergency braking system, including a brake pedal, a brake cable, and a brake drive structure. The brake drive structure includes a drive base, a drive motor, a control circuit board, a take-up reel, a cable sleeve, a sensor probe, and a magnet. A circular cavity is provided on the side of the drive base, and a cable-passing hole is provided on the side wall of the circular cavity. The take-up reel is fixed to the main shaft of the drive motor. The cable sleeve is fixed to the cable-passing hole of the drive base, and the brake cable passes through the cable sleeve and is fixed to the take-up reel. The magnet is embedded in the end face of the main shaft of the drive motor, and the sensor probe is located on the drive motor and connected to the control circuit board. This utility model has a reasonable structural design. The extension and retraction of the brake cable can be controlled by the drive motor driving the take-up reel, ensuring braking effectiveness. The magnet, in conjunction with the sensor probe, senses the number of rotations of the take-up reel, facilitating the control circuit board to control the number of reverse rotations of the drive motor, which helps improve braking smoothness and effectiveness.

Description

Technical Field

[0001] This utility model belongs to the field of vehicle-mounted intelligent braking technology, specifically relating to a vehicle-mounted AEBS intelligent emergency braking system. Background Technology

[0002] Braking systems for passenger cars and commercial vehicles that control the travel of the brake pedal include brake cables, brake discs, brake cable connectors, brake pedal bodies, and brake seats. The brake discs are rotatably connected to the brake seats and are connected to the brake cable connectors via brake cables. The brake cable connectors are fixed to the brake pedal bodies. While this system can meet general usage requirements, it requires drilling holes in the brake pedal for installing the brake cable connectors, significantly increasing assembly difficulty. Furthermore, the limited location of the holes hinders adjustment operations. Additionally, it cannot effectively detect the number of brake rotations, thus affecting control accuracy and limiting its applicability. Utility Model Content

[0003] The purpose of this invention is to provide an on-board AEBS intelligent emergency braking system with a reasonable structural design that is conducive to improving braking stability.

[0004] The technical solution to achieve the purpose of this utility model is an on-board AEBS intelligent emergency braking system, including a brake pedal, a brake cable and a brake drive structure. The brake cable is connected between the brake pedal and the brake drive structure. The brake drive structure includes a drive seat, a drive motor, a control circuit board, a take-up reel, a cable sleeve, a sensor probe and a magnet.

[0005] The drive base is provided with mounting holes, and the side of the drive base is provided with a circular cavity, and the side wall of the circular cavity is provided with a wire through hole.

[0006] The drive motor is fixed on the drive base, and the main shaft of the drive motor extends into the circular cavity. The take-up reel is rotatably disposed in the circular cavity and is fixed on the main shaft of the drive motor.

[0007] The cable sleeve is fixed on the cable hole of the drive seat, and the brake cable passes through the cable sleeve and is fixed on the take-up reel;

[0008] The magnet is embedded in the end face of the drive motor's main shaft, and the sensing probe is located on the drive motor and connected to the control circuit board. The drive motor is a reversible motor.

[0009] A further preferred embodiment is that the brake pedal is fitted with a nail-free mounting component;

[0010] The end of the brake cable is positioned on the nail-free mounting assembly.

[0011] A further preferred embodiment is that the nail-free installation component includes a U-shaped nut, a clamping strap, and a cable tie;

[0012] The cable tie is fixed to one end of the coupling strap, the coupling strap is sleeved on the brake pedal and its end is inserted into the cable tie for fixation, and the middle part of the coupling strap is inserted into the upper limit position of the U-shaped nut;

[0013] The brake cable is connected to the U-shaped nut.

[0014] A further preferred embodiment is that the end of the brake cable is fixed with a clamp structure, and the clamp structure is connected to the U-shaped nut.

[0015] A further preferred embodiment is that the wire clamp structure includes an n-shaped wire clamp base, a wire clamping plate located in the recessed area of ​​the n-shaped wire clamp base, and a locking screw disposed on the n-shaped wire clamp base and the wire clamping plate;

[0016] The top surface of the n-shaped wire clamp is provided with two arc-shaped clearance grooves;

[0017] The n-shaped wire clamp is connected to the U-shaped nut. The brake line is bent at two arc-shaped relief grooves and clamped by the clamping plate and the top wall of the recessed area of ​​the n-shaped wire clamp, and locked and positioned by the locking screw.

[0018] A further preferred embodiment is that: an annular guide groove is provided on the bottom edge of the circular cavity, and a limiting block is fixed in the annular guide groove, the position of the limiting block being matched with the position of the thread hole;

[0019] The symmetrical sides of the limiting block are fitted with cushioning pads;

[0020] A guide protrusion is fixed to the edge of the end face of the take-up reel;

[0021] The take-up reel rotates within the circular cavity, and the guide protrusion rotates within the annular guide groove and abuts against the side of the limiting block for limitation.

[0022] A further preferred embodiment is that the outer ring surface of the take-up reel is provided with a take-up groove;

[0023] The brake cable is wound inside the take-up groove.

[0024] A further preferred embodiment is that a guide seat is provided in the middle of the brake cable, and a guide wheel is provided on the guide seat;

[0025] The wire seat is fixed to the vehicle body, and the end of the wire sleeve is located on the wire seat. The brake cable is driven by the guide wire.

[0026] A further preferred embodiment is that both the clamping strap and the cable tie are stainless steel sheets with a thickness of 0.05-0.1 mm.

[0027] A further preferred embodiment is that the cable tie includes a base plate, a limiting protrusion integrally formed at one end of the base plate, and a limiting plate integrally formed at the other end of the base plate and bent on the top surface of the base plate. An inclined avoidance recess is provided between the bottom surface of the limiting plate and the base plate, and the wide end of the inclined avoidance recess is located close to the limiting protrusion.

[0028] A stop post is provided in the inclined avoidance recess area;

[0029] The limiting protrusion and the limiting plate are located on the symmetrical side of the base plate;

[0030] The connection between the limiting plate and the base plate is provided with a plug-in slot hole;

[0031] The fixed end of the clamping strap is located at the limiting protrusion, and the movable end of the clamping strap passes through the insertion slot and is attached to the top surface of the base plate. At the same time, the abutting post abuts against the top surface of the movable end of the clamping strap to achieve anti-detachment positioning of the cable tie.

[0032] This utility model has positive effects: The structure of this utility model is reasonably designed. Its brake drive structure includes a drive base, a drive motor, a control circuit board, a take-up reel, a cable sleeve, a sensing probe, and a magnet. It can not only control the extension and retraction of the brake line by driving the take-up reel with the drive motor, thereby ensuring the effectiveness of braking, but also, through the magnet and the sensing probe, the rotation of the magnet drives the change of the magnetic induction signal, and the sensing probe senses the number of rotations of the take-up reel, which makes it easy for the control circuit board to control the number of reverse rotations of the drive motor, which helps to improve the smoothness and effectiveness of braking and has strong applicability.

[0033] Furthermore, the brake pedal is equipped with a nail-free installation component, which can improve the ease of assembly, avoid drilling, and facilitate assembly, adjustment, inspection and maintenance operations.

[0034] Meanwhile, the brake cable is fixed with a clamp structure at its end, which can be quickly connected to the nail-free installation component through the clamp structure, making it easy to adjust and less likely to damage the brake cable, thus improving the stability and reliability of the connection.

[0035] An annular guide groove is provided on the bottom edge of the circular cavity. A limiting block is fixed inside the annular guide groove, and a guide protrusion is fixed on the edge of the end face of the take-up reel. This can ensure the effectiveness of the take-up reel rotation and also facilitate the limiting of the take-up reel, thereby improving the stability of braking. Attached Figure Description

[0036] To make the content of this utility model easier to understand, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings, wherein:

[0037] Figure 1This is a schematic diagram of the structure of this utility model;

[0038] Figure 2 This is a schematic diagram of the specific structure of the center clamp structure and the nail-free installation component of this utility model;

[0039] Figure 3 This is a schematic diagram of the specific structure of the brake drive structure in this utility model;

[0040] Figure 4 This is a schematic diagram of the specific structure of the drive seat in this utility model;

[0041] Figure 5 This is a schematic diagram of the structure of the drive motor, magnet, and induction probe in this utility model;

[0042] Figure 6 This is a schematic diagram of the specific structure of the take-up reel in this utility model;

[0043] Figure 7 This is a schematic diagram of the specific structure of the nail-free installation component in this utility model;

[0044] Figure 8 This is a schematic diagram of the specific structure of the center clamp of this utility model.

[0045] Reference numerals: 1. Brake pedal; 2. Brake cable; 3. Brake drive structure; 31. Drive seat; 32. Drive motor; 33. Control circuit board; 34. Reel; 35. Cable sleeve; 36. Sensor probe; 37. Magnet; 4. Mounting hole; 5. Circular cavity; 6. Threading hole; 7. Nail-free mounting assembly; 71. U-shaped nut; 72. Hoop strap; 73. Cable tie; 73. Base plate; 731. Limiting protrusion; 732. Limiting plate; 733. Inclined clearance recess; 734. Abutment post; 735. Positioning screw; 74. Cable clamp structure; 8. N-shaped cable clamp seat; 81. Cable clamp plate; 82. Locking screw; 83. Arc-shaped clearance groove; 84. Strip-shaped mounting slot; 85. Annular guide groove; 9. Limiting block; 10. Buffer pad; 11. Guide protrusion; 12. Reel groove; 13. Cable holder; 14. Cable wheel; 15. Detailed Implementation

[0046] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0047] Example

[0048] See Figures 1 to 8As shown, an on-board AEBS intelligent emergency braking system includes a brake pedal 1, a brake cable 2, and a brake drive structure 3. The brake cable is connected between the brake pedal and the brake drive structure. In this embodiment, the brake pedal and brake cable are conventional structures of the prior art, and are simply applied, so they are not described in detail.

[0049] In this embodiment, the brake drive structure includes a drive base 31, a drive motor 32, a control circuit board 33, a take-up reel 34, a cable sleeve 35, a sensing probe 36, and a magnet 37. The control circuit board is a conventional structure from the prior art, used to drive the drive motor in both forward and reverse directions and control the extension and retraction of the brake cable; it is simply applied. The cable sleeve mainly ensures the normal operation of the brake cable and is also a conventional structure from the prior art. The sensing probe is a position sensor, etc.

[0050] During processing, the drive seat is provided with mounting holes 4, and a circular cavity 5 is provided on the side of the drive seat. A threading hole 6 is provided on the side wall of the circular cavity. The mounting holes are mainly used to mount the drive seat onto the vehicle body. Simultaneously, the drive motor is fixed to the drive seat, and the main shaft of the drive motor extends into the circular cavity. The take-up reel is rotatably disposed within the circular cavity and is fixed to the main shaft of the drive motor. The cable sleeve is fixed to the threading hole of the drive seat, and the brake cable passes through the cable sleeve and is fixed to the take-up reel. The magnet is embedded in the end face of the main shaft of the drive motor, and the sensing probe is located on the drive motor and connected to the control circuit board. The drive motor is a reversible motor. By using the magnet in conjunction with the sensing probe, the rotation angle of the take-up reel can be sensed, ensuring the effectiveness and stability of the brake drive, and also improving the effectiveness of the reset.

[0051] In this embodiment, a nail-free mounting component 7 is fitted onto the brake pedal; the end of the brake cable is positioned on the nail-free mounting component. This structure eliminates the need for machining holes in the brake pedal during assembly, improving assembly convenience and efficiency, and facilitating disassembly and maintenance. The nail-free mounting component includes a U-shaped nut 71, a coupling strap 72, and a cable tie 73. During assembly, the cable tie is fixed to one end of the coupling strap, the coupling strap is fitted onto the brake pedal with its end inserted into the cable tie for fixation, and the middle of the coupling strap passes through the upper limit of the U-shaped nut. The brake cable is connected to the U-shaped nut. Both the coupling strap and the cable tie are made of stainless steel sheets with a thickness of 0.05-0.1mm. A positioning screw 74 can also be provided on the U-shaped nut to lock the coupling strap in place.

[0052] Specifically, the cable tie includes a base plate 731, a limiting protrusion 732 integrally formed at one end of the base plate, and a limiting plate 733 integrally formed at the other end of the base plate and bent onto the top surface of the base plate. An inclined avoidance recess 734 is provided between the bottom surface of the limiting plate and the base plate, with the wider end of the inclined avoidance recess near the limiting protrusion. A stop post 735 is provided within the inclined avoidance recess. The limiting protrusion and the limiting plate are located on symmetrical sides of the base plate. An insertion slot is provided at the connection between the limiting plate and the base plate. The fixed end of the cable tie is located at the limiting protrusion, and the movable end of the cable tie passes through the insertion slot and is attached to the top surface of the base plate. Simultaneously, the stop post abuts against the top surface of the movable end of the cable tie to prevent it from detaching and to ensure the effectiveness and stable reliability of the assembly.

[0053] In this embodiment, the end of the brake cable is fixed with a clamp structure 8, which is connected to a U-shaped nut. The clamp structure includes an n-shaped clamp seat 81, a clamping plate 82 located in the recessed area of ​​the n-shaped clamp seat, and a locking screw 83 disposed on the n-shaped clamp seat and the clamping plate. The top surface of the n-shaped clamp seat has two arc-shaped clearance grooves 84. During assembly, the n-shaped clamp seat is connected to the U-shaped nut, and the brake cable is bent at the two arc-shaped clearance grooves and clamped by the clamping plate and the top wall of the recessed area of ​​the n-shaped clamp seat, and locked in place by the locking screw. Furthermore, the n-shaped clamp seat has a strip-shaped mounting slot 85, which improves the assembly stability of the brake cable and prevents damage to the brake cable, ensuring the effectiveness and reliability of the brake cable connection.

[0054] In this embodiment, an annular guide groove 9 is provided along the bottom edge of the circular cavity, and a limiting block 10 is fixed inside the annular guide groove. The position of the limiting block matches the position of the threading hole. A buffer pad 11 is snapped onto the symmetrical side of the limiting block. A guide protrusion 12 is fixed along the end edge of the take-up reel. The take-up reel rotates within the circular cavity, and the guide protrusion rotates within the annular guide groove, abutting against the side of the limiting block for limitation. The guide protrusion, in conjunction with the annular guide groove, provides guidance, and the buffer pad provides cushioning, improving the stability, reliability, and effectiveness of use.

[0055] In this embodiment, a take-up groove 13 is provided on the outer ring surface of the take-up reel; the brake cable is wound in the take-up groove.

[0056] In this embodiment, a guide seat 14 is provided in the middle of the brake cable, and a guide wheel 15 is provided on the guide seat; during assembly, the guide seat is fixed on the vehicle body, and the end of the cable sleeve is located on the guide seat, and the brake cable is driven by the guide wire.

[0057] This utility model has positive effects: The structure of this utility model is reasonably designed. Its brake drive structure includes a drive base, a drive motor, a control circuit board, a take-up reel, a cable sleeve, a sensing probe, and a magnet. It can not only control the extension and retraction of the brake line by driving the take-up reel with the drive motor, thereby ensuring the effectiveness of braking, but also, through the magnet and the sensing probe, the rotation of the magnet drives the change of the magnetic induction signal, and the sensing probe senses the number of rotations of the take-up reel, which makes it easy for the control circuit board to control the number of reverse rotations of the drive motor, which helps to improve the smoothness and effectiveness of braking and has strong applicability.

[0058] Furthermore, the brake pedal is equipped with a nail-free installation component, which can improve the ease of assembly, avoid drilling, and facilitate assembly, adjustment, inspection and maintenance operations.

[0059] Meanwhile, the brake cable is fixed with a clamp structure at its end, which can be quickly connected to the nail-free installation component through the clamp structure, making it easy to adjust and less likely to damage the brake cable, thus improving the stability and reliability of the connection.

[0060] An annular guide groove is provided on the bottom edge of the circular cavity. A limiting block is fixed inside the annular guide groove, and a guide protrusion is fixed on the edge of the end face of the take-up reel. This can ensure the effectiveness of the take-up reel rotation and also facilitate the limiting of the take-up reel, thereby improving the stability of braking.

[0061] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural parts described in the instruction manual can also be processed without any doubt based on existing technical common sense. At the same time, the connection methods of each component adopt mature conventional methods in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so they will not be described in detail here.

[0062] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating this utility model, and are not intended to limit the implementation of this utility model. Those skilled in the art can make other variations or modifications based on the above description. It is neither necessary nor possible to exhaustively list all embodiments here. However, these obvious variations or modifications derived from the essential spirit of this utility model still fall within the protection scope of this utility model.

Claims

1. A vehicle-mounted AEBS intelligent emergency braking system comprising a brake pedal, a brake line and a brake driving structure, the brake line being connected between the brake pedal and the brake driving structure, characterized in that: The brake drive structure includes a drive base, a drive motor, a control circuit board, a take-up reel, a cable sleeve, a sensing probe, and a magnet. The drive base is provided with mounting holes, and the side of the drive base is provided with a circular cavity, and the side wall of the circular cavity is provided with a wire through hole. The drive motor is fixed on the drive base, and the main shaft of the drive motor extends into the circular cavity. The take-up reel is rotatably disposed in the circular cavity and is fixed on the main shaft of the drive motor. The cable sleeve is fixed on the cable hole of the drive seat, and the brake cable passes through the cable sleeve and is fixed on the take-up reel; The magnet is embedded in the end face of the main shaft of the drive motor, and the sensing probe is located on the drive motor and connected to the control circuit board.

2. The vehicle-mounted AEBS intelligent emergency braking system according to claim 1, characterized in that: The brake pedal is fitted with a nail-free mounting component; The end of the brake cable is positioned on the nail-free mounting assembly.

3. The vehicle-mounted AEBS intelligent emergency braking system according to claim 2, characterized in that: The nail-free installation assembly includes a U-shaped hanging nut, a clamping strap, and a cable tie; The cable tie is fixed to one end of the coupling strap, the coupling strap is sleeved on the brake pedal and its end is inserted into the cable tie for fixation, and the middle part of the coupling strap is inserted into the upper limit position of the U-shaped nut; The brake cable is connected to the U-shaped nut.

4. The vehicle-mounted AEBS intelligent emergency braking system according to claim 3, characterized in that: The brake cable is fixed to a clamp structure at its end, and the clamp structure is connected to a U-shaped nut.

5. The vehicle-mounted AEBS intelligent emergency braking system according to claim 4, characterized in that: The wire clamp structure includes an n-shaped wire clamp base, a wire clamping plate located in the recessed area of ​​the n-shaped wire clamp base, and a locking screw disposed on the n-shaped wire clamp base and the wire clamping plate; The top surface of the n-shaped wire clamp is provided with two arc-shaped clearance grooves; The n-shaped wire clamp is connected to the U-shaped nut. The brake line is bent at two arc-shaped relief grooves and clamped by the clamping plate and the top wall of the recessed area of ​​the n-shaped wire clamp, and locked and positioned by the locking screw.

6. The vehicle-mounted AEBS intelligent emergency braking system according to claim 1, characterized in that: The bottom edge of the circular cavity is provided with an annular guide groove, and a limiting block is fixed in the annular guide groove. The position of the limiting block matches the position of the wire hole. The symmetrical sides of the limiting block are fitted with cushioning pads; A guide protrusion is fixed to the edge of the end face of the take-up reel; The take-up reel rotates within the circular cavity, and the guide protrusion rotates within the annular guide groove and abuts against the side of the limiting block for limitation.

7. The vehicle-mounted AEBS intelligent emergency braking system according to claim 6, characterized in that: The outer ring surface of the take-up reel is provided with a take-up groove; The brake cable is wound inside the take-up groove.

8. The vehicle-mounted AEBS intelligent emergency braking system according to claim 1, characterized in that: A guide seat is provided in the middle of the brake cable, and a guide wheel is provided on the guide seat; The wire seat is fixed to the vehicle body, and the end of the wire sleeve is located on the wire seat. The brake cable is driven by the guide wire.

9. The vehicle-mounted AEBS intelligent emergency braking system according to claim 3, characterized in that: Both the clamping straps and the cable ties are made of stainless steel sheets with a thickness of 0.05-0.1mm.

10. The vehicle-mounted AEBS intelligent emergency braking system according to claim 3, characterized in that: The cable tie includes a base plate, a limiting protrusion integrally formed at one end of the base plate, and a limiting plate integrally formed at the other end of the base plate and bent on the top surface of the base plate. An inclined avoidance recess is provided between the bottom surface of the limiting plate and the base plate, and the wide end of the inclined avoidance recess is located close to the limiting protrusion. A stop post is provided in the inclined avoidance recess area; The limiting protrusion and the limiting plate are located on the symmetrical side of the base plate; The connection between the limiting plate and the base plate is provided with a plug-in slot hole; The fixed end of the clamping strap is located at the limiting protrusion, and the movable end of the clamping strap passes through the insertion slot and is attached to the top surface of the base plate. At the same time, the abutting post abuts against the top surface of the movable end of the clamping strap to achieve anti-detachment positioning of the cable tie.

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