Accelerator pedal misoperation alarm device

By designing an accelerator pedal misoperation alarm device in electric vehicles, and utilizing the cooperation between the pedal linkage, alarm components, and vehicle control unit, the safety risks caused by misoperation in single-pedal mode are resolved, thereby improving safety.

CN223574212UActive Publication Date: 2025-11-21ZHEJIANG JIULONG MACHINERY
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Patent Information

Application Number
CN202422774226.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-11-21
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

In the one-pedal mode of an electric vehicle, the driver may accidentally operate the accelerator pedal, causing the vehicle to accelerate suddenly, increasing the risk of traffic accidents.

Method used

Design an accelerator pedal misoperation alarm device. Through the cooperation of the pedal linkage and alarm element with the vehicle control unit, it detects misoperation and interrupts power output to achieve deceleration and braking.

Benefits of technology

It effectively reduces the probability of safety accidents caused by misoperation of the accelerator pedal, and improves driving safety by detecting misoperation and slowing down and braking in time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of automobile electric braking, in particular to an accelerator pedal misoperation alarm device which comprises a base, a rotating seat, a pedal connecting rod, an alarm part and a vehicle control unit. The rotating seat is fixedly connected to the base, the end, facing the rotating seat, of the base is provided with a limiting face, and the pedal connecting rod is hinged to the rotating seat; the hinged axis of the pedal connecting rod is parallel to the limiting face, the warning piece is fixedly connected to the pedal connecting rod, the height of the warning piece is smaller than that of the rotating base, the warning piece is electrically connected to the vehicle control unit and sends signals to the vehicle control unit, and the vehicle control unit is used for controlling vehicle operation. During normal driving, the pedal force provided by a user and the rotation opening degree of the pedal connecting rod are both within a certain range, during misoperation, the pedal force provided by the user is far larger than the pedal force provided during normal operation, the alarm piece abuts against the limiting face, the alarm piece sends a signal to the vehicle control unit, and the vehicle control unit interrupts power output; and the probability of safety accidents is reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of electric braking of an automobile, in particular to an accelerator pedal misoperation alarm device. BACKGROUND

[0002] The single-pedal mode of an automobile is a driving mode of a new energy electric vehicle, which is essentially a way of energy recovery of an electric vehicle. In this mode, the driver can realize acceleration, deceleration, braking and other operations by lightly pressing or releasing the accelerator pedal without using the brake pedal.

[0003] When the electric vehicle enters the single-pedal mode, the vehicle acceleration or deceleration can be controlled by only controlling the accelerator pedal. However, in an emergency, the single-pedal mode is prone to misoperation by the driver, who may press the accelerator pedal as a brake pedal, causing the vehicle that should be braked to suddenly accelerate, thereby increasing the risk of traffic accidents. CONTENT OF THE INVENTION

[0004] In order to reduce the probability of safety accidents, the present application provides an accelerator pedal misoperation alarm device.

[0005] The accelerator pedal misoperation alarm device provided by the present application adopts the following technical solution:

[0006] An accelerator pedal misoperation alarm device, comprising a base, a rotating seat, a pedal connecting rod, an alarm part and a vehicle control unit, the rotating seat is fixedly connected to the base, one end of the base towards the rotating seat is provided as a limiting surface, the pedal connecting rod is hingedly connected to the rotating seat, the hinging axis of the pedal connecting rod is parallel to the limiting surface, the alarm part is fixedly connected to the pedal connecting rod, the height of the alarm part is less than the height of the rotating seat, the alarm part is electrically connected to the vehicle control unit, the alarm part sends a signal to the vehicle control unit, and the vehicle control unit is used to control the operation of the vehicle.

[0007] By adopting the above technical solution, the pedal connecting rod is used to control the vehicle speed, when normally driving, the pedal force provided by the user and the rotation opening degree of the pedal connecting rod are within a certain range, when misoperation, the pedal force provided by the user is much greater than that provided in normal times, the alarm part abuts against the limiting surface, the alarm part sends a signal to the vehicle control unit, the vehicle control unit interrupts the power output, performs deceleration braking, and reduces the probability of safety accidents.

[0008] Preferably, one end of the pedal connecting rod towards the limiting surface is provided with a mounting opening, the mounting opening is arranged below the rotating seat, the alarm component comprises a main body, a trigger switch and a sliding block, the main body is fixedly connected to the inner wall of the mounting opening, one end of the main body towards the limiting surface is provided with a sliding groove, the trigger switch is connected to the groove bottom of the sliding groove, the trigger switch is electrically connected to the vehicle control unit, the sliding block is slidingly connected to the groove wall of the sliding groove, one end of the sliding block is used for abutting against the trigger switch, and the other end of the sliding block is used for abutting against the limiting surface.

[0009] By adopting the above technical scheme, when misoperation occurs, the pedal connecting rod rotates to a large opening, the sliding block slides into the sliding groove and abuts against the limiting surface, the sliding block abuts against the trigger switch, the trigger switch sends a signal to the vehicle control unit, the vehicle control unit interrupts power output, and the probability of safety accidents is reduced.

[0010] Preferably, the alarm component further comprises a resilient member, one end of the resilient member is connected to the groove bottom of the sliding groove, and the other end of the resilient member is connected to the sliding block.

[0011] By adopting the above technical scheme, when misoperation occurs, the pedal connecting rod rotates to a large opening, the sliding block slides into the sliding groove and abuts against the limiting surface, the sliding block abuts against the trigger switch, the trigger switch sends a signal to the vehicle control unit, the vehicle control unit interrupts power output, and the probability of safety accidents is reduced.

[0012] Preferably, the alarm component further comprises a resilient member, one end of the resilient member is connected to the groove bottom of the sliding groove, and the other end of the resilient member is connected to the sliding block.

[0013] By adopting the above technical scheme, the sliding groove guides the sliding of the sliding block, the limiting block extends out of the sliding groove to abut against the limiting surface, the stop ring limits the sliding of the sliding block, prevents the sliding block from sliding out of the sliding groove, and the alarm component is stably used.

[0014] Preferably, the diameter of the limiting block decreases away from the resilient member.

[0015] By adopting the above technical scheme, the limiting block is facilitated to abut against the limiting surface, the probability of the limiting block being stuck is reduced, the sliding block is facilitated to move, and the stability of the alarm component in use is improved.

[0016] Preferably, the elastic member is a compression spring, which is sleeved on the outer periphery of the trigger switch.

[0017] By adopting the above technical solution, the compression spring is arranged on the outer periphery of the trigger switch, and the sliding block is uniformly stressed.

[0018] Preferably, the reset member comprises a fixed plate, a stressed plate and a reset spring, the fixed plate is fixedly connected to the limiting surface, the fixed plate is arranged above the rotating seat, the stressed plate is fixedly connected to the fixed plate, the base, the fixed plate and the stressed plate form a movable groove, the groove opening of the movable groove faces downward, the upper end of the pedal connecting rod is arranged in the movable groove, one end of the reset spring is fixedly connected to one end of the stressed plate facing the limiting surface, and the other end of the reset spring is fixedly connected to the pedal connecting rod.

[0019] By adopting the above technical solution, when the user steps on the pedal connecting rod to control the vehicle to accelerate, the reset member resets the pedal connecting rod to rotate, thereby controlling the vehicle to decelerate, and the vehicle driving speed is easy to control.

[0020] Preferably, the rotating seat comprises a connecting block and a rotating column, the connecting block is fixedly connected to the limiting surface, the connecting block is provided with two, the two ends of the rotating column are fixedly connected to the two connecting blocks respectively, the pedal connecting rod is provided with a rotating opening, and the rotating column is coaxially and rotationally connected to the inner wall of the rotating opening.

[0021] By adopting the above technical solution, the rotating opening limits the rotation of the rotating column, and the rotation of the pedal connecting rod is easy to control.

[0022] Preferably, the pedal connecting rod comprises a rotating block, a control rod and a stepping rod, the rotating block is provided with a rotating opening, the control rod and the stepping rod are fixedly connected to the outer wall of the rotating block, the alarm member is connected to the stepping rod, one end of the stepping rod away from the rotating block is bent upward, and a stepping plate is fixedly connected to the end of the stepping rod away from the rotating block.

[0023] By adopting the above technical solution, the stepping plate increases the contact area with the sole of the user's foot, and the user is easy to step on it.

[0024] In summary, the present application has at least one of the following beneficial technical effects:

[0025] 1. The pedal connecting rod is used to control the vehicle driving speed, when normally driving, the pedal force provided by the user and the rotation opening of the pedal connecting rod are within a certain range, when misoperation, the pedal force provided by the user is much larger than that provided in normal time, the alarm member abuts against the limiting surface, the alarm member sends a signal to the vehicle control unit, the vehicle control unit interrupts the power output, performs deceleration braking, and reduces the probability of safety accidents;

[0026] 2. In normal use, the user provides a certain pedal force to the pedal connecting rod, the pedal connecting rod rotates to control the speed of the vehicle, and the sliding block limits the rotation of the pedal connecting rod. When an emergency occurs and the user misoperates, the pedal force provided by the user is much larger than the pedal force provided in daily life. The pedal force overcomes the elastic force of the elastic member to make the sliding block slide, the sliding block abuts against the trigger switch, interrupts the power output, and reduces the probability of safety accidents.

[0027] 3. The user steps on the pedal connecting rod to overcome the elastic force of the reset spring to control the acceleration of the vehicle. The user releases the pedal connecting rod, and the reset member resets the pedal connecting rod to rotate to control the deceleration of the vehicle, which is easy to control the speed of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of an accelerator pedal misoperation alarm device.

[0029] Figure 2 It is a sectional view of an accelerator pedal misoperation alarm device.

[0030] Reference signs: 1, base; 11, limiting surface; 2, rotating seat; 21, connecting block; 22, rotating column; 3, pedal connecting rod; 31, rotating block; 311, rotating port; 32, control rod; 33, stepping rod; 331, stepping plate; 332, mounting port; 4, reset member; 41, fixed plate; 42, force receiving plate; 43, reset spring; 44, movable slot; 5, fixed ring; 6, alarm member; 61, main body; 611, sliding slot; 62, trigger switch; 63, sliding block; 631, sliding block; 632, limiting block; 64, blocking ring; 65, elastic member; 651, compression spring; 7, vehicle control unit. DETAILED DESCRIPTION

[0031] The following will be described in detail with reference to the accompanying drawings Figures 1-2 The application is further described in detail.

[0032] The embodiment of the application discloses an accelerator pedal misoperation alarm device. Referring to Figure 1 and Figure 2 An accelerator pedal misoperation alarm device includes a base 1, a rotating seat 2, a pedal connecting rod 3, a reset member 4, a fixed ring 5, an alarm member 6, and a vehicle control unit 7.

[0033] Referring to Figure 1 The rotating seat 2 includes a connecting block 21 and a rotating column 22, the connecting block 21 is fixedly connected to the base 1, the connecting block 21 is provided with two, the two ends of the rotating column 22 are fixedly connected to the two connecting blocks 21, the end of the base 1 towards the rotating seat 2 is provided as a limiting surface 11, and the axis of the rotating column 22 is horizontal and parallel to the limiting surface 11.

[0034] Referring toFigure 2 The pedal connecting rod 3 comprises a rotating block 31, a control rod 32 and a pedal rod 33. The rotating block 31 is in the shape of a cylinder. The rotating block 31 is coaxially provided with a rotating port 311. The rotating column 22 is coaxially and rotationally connected to the inner wall of the rotating port 311. The control rod 32 and the pedal rod 33 are both fixedly connected to the outer wall of the rotating block 31. The control rod 32 is arranged above the rotating block 31. The pedal rod 33 is arranged below the rotating block 31. The end of the pedal rod 33 away from the rotating block 31 is bent upwards. The end of the pedal rod 33 away from the rotating block 31 is fixedly connected with a pedal plate 331. The pedal plate 331 is arranged on the side of the rotating block 31 away from the base 1.

[0035] With reference to Figure 2 The reset member 4 comprises a fixed plate 41, a stress plate 42 and a reset spring 43. The fixed plate 41 is fixedly connected to the limiting face 11. The fixed plate 41 is arranged above the rotating base 2. The stress plate 42 is fixedly connected to the fixed plate 41. The included angle between the end face of the stress plate 42 facing the limiting face 11 and the downward end face of the fixed plate 41 is an acute angle. The base 1, the fixed plate 41 and the stress plate 42 form an active slot 44. The slot opening of the active slot 44 faces downwards. The upper end of the control rod 32 is arranged in the active slot 44. One end of the reset spring 43 is fixedly connected to the end of the stress plate 42 facing the limiting face 11. The other end of the reset spring 43 is fixedly connected to the control rod 32. The end of the control rod 32 away from the reset spring 43 is used to abut against the limiting face 11.

[0036] The end of the pedal rod 33 facing the limiting face 11 is provided with a mounting port 332. The fixed ring 5 is coaxially and fixedly connected to the inner wall of the mounting port 332. The end face of the fixed ring 5 facing the limiting face 11 is smoothly connected to the end face of the pedal rod 33 facing the limiting face 11.

[0037] With reference to Figure 2 The alarm member 6 comprises a main body 61, a trigger switch 62, a sliding block 63, a blocking ring 64 and an elastic member 65. The main body 61 is arranged on the side of the fixed ring 5 away from the limiting face 11. The main body 61 is fixedly connected to the inner wall of the mounting port 332. The main body 61 abuts against the fixed ring 5. The end of the main body 61 facing the limiting face 11 is coaxially provided with a sliding slot 611. The trigger switch 62 is fixedly connected to the slot bottom of the sliding slot 611. The trigger switch 62 is electrically connected to the vehicle control unit 7. The trigger switch 62 sends signals to the vehicle control unit 7. The vehicle control unit 7 is used to control the operation of the vehicle.

[0038] The stop ring 64 is fixedly connected to the inner wall of the slot of the sliding groove 611, the sliding block 63 comprises a sliding block 631 and a limiting block 632, the sliding block 631 is arranged on one side of the stop ring 64 close to the groove bottom of the sliding groove 611, the sliding block 631 is slidingly connected to the groove wall of the sliding groove 611, the sliding block 631 is used for abutting against the trigger switch 62, the limiting block 632 is fixedly connected to one end of the sliding block 631 away from the groove bottom of the sliding groove 611, the limiting block 632 is arranged on the inner periphery of the stop ring 64, the limiting block 632 extends out of the fixed ring 5 and is used for abutting against the limiting surface 11, and the diameter of the limiting block 632 decreases with the distance from the sliding block 631.

[0039] One end of the elastic member 65 is connected to the groove bottom of the sliding groove 611, the other end of the elastic member 65 abuts against the sliding block 631, the elastic member 65 is arranged as a compression spring 651, and the compression spring 651 is sleeved on the outer periphery of the trigger switch.

[0040] The implementation principle of the accelerator pedal misoperation alarm device is as follows: in normal use, the user provides a certain pedal force to the pedal connecting rod 3, the pedal connecting rod 3 rotates to control the speed of the vehicle, the limiting block 632 limits the rotation of the pedal connecting rod 3, when the user misoperates in an emergency, the pedal force provided by the user is much larger than the pedal force provided in daily use, the pedal force overcomes the elastic force of the elastic member 65 to make the sliding block 63 slide, the limiting surface 11 limits the sliding of the sliding block 63, the sliding block 63 abuts against the trigger switch 62, the vehicle control unit 7 interrupts the power output, the vehicle slows down, and the probability of safety accidents is reduced.

[0041] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so that: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. An accelerator pedal misoperation alarm device, characterized in that: The system includes a base (1), a rotating seat (2), a pedal linkage (3), an alarm component (6), and a vehicle control unit (7). The rotating seat (2) is fixedly connected to the base (1). One end of the base (1) facing the rotating seat (2) is set as a limiting surface (11). The pedal linkage (3) is hinged to the rotating seat (2). The hinge axis of the pedal linkage (3) is parallel to the limiting surface (11). The alarm component (6) is fixedly connected to the pedal linkage (3). The height of the alarm component (6) is less than the height of the rotating seat (2). The alarm component (6) is electrically connected to the vehicle control unit (7). The alarm component (6) sends a signal to the vehicle control unit (7). The vehicle control unit (7) is used to control the operation of the vehicle.

2. The accelerator pedal misoperation alarm device according to claim 1, characterized in that: The pedal linkage (3) has an installation port (332) at one end facing the limiting surface (11). The installation port (332) is located below the rotating seat (2). The alarm component (6) includes a main body (61), a trigger switch (62), and a sliding block (63). The main body (61) is fixedly connected to the inner wall of the installation port (332). The main body (61) has a sliding groove (611) at one end facing the limiting surface (11). The trigger switch (62) is connected to the bottom of the sliding groove (611). The trigger switch (62) is electrically connected to the vehicle control unit (7). The sliding block (63) is slidably connected to the wall of the sliding groove (611). One end of the sliding block (63) is used to abut against the trigger switch (62), and the other end of the sliding block (63) is used to abut against the limiting surface (11).

3. The accelerator pedal misoperation alarm device according to claim 2, characterized in that: The alarm component (6) also includes an elastic component (65), one end of which is connected to the bottom of the sliding groove (611), and the other end of which is connected to the sliding block (63).

4. The accelerator pedal misoperation alarm device according to claim 3, characterized in that: The alarm component (6) also includes a retaining ring (64), which is fixedly connected to the inner wall of the groove of the sliding groove (611). The sliding block (63) includes a sliding block (631) and a limiting block (632). The sliding block (631) is located on the side of the retaining ring (64) near the bottom of the sliding groove (611). The sliding block (631) is slidably connected to the groove wall of the sliding groove (611). The limiting block (632) is fixedly connected to the end of the sliding block (631) away from the bottom of the sliding groove (611). The limiting block (632) is located on the inner circumference of the retaining ring (64). The elastic element (65) abuts against the sliding block (631).

5. The accelerator pedal misoperation alarm device according to claim 4, characterized in that: The diameter of the limiting block (632) decreases as it moves away from the elastic member (65).

6. The accelerator pedal misoperation alarm device according to claim 3, characterized in that: The elastic element (65) is configured as a compression spring (651), which is sleeved on the outer periphery of the trigger switch (62).

7. The accelerator pedal misoperation alarm device according to claim 1, characterized in that: It also includes a reset component (4), which includes a fixed plate (41), a force plate (42) and a reset spring (43). The fixed plate (41) is fixedly connected to the limiting surface (11). The fixed plate (41) is located above the rotating seat (2). The force plate (42) is fixedly connected to the fixed plate (41). A movable groove (44) is formed between the base (1), the fixed plate (41) and the force plate (42). The opening of the movable groove (44) faces downward. The upper end of the pedal connecting rod (3) is located in the movable groove (44). One end of the reset spring (43) is fixedly connected to the end of the force plate (42) facing the limiting surface (11). The other end of the reset spring (43) is fixedly connected to the pedal connecting rod (3).

8. The accelerator pedal misoperation alarm device according to claim 1, characterized in that: The rotating seat (2) includes a connecting block (21) and a rotating column (22). The connecting block (21) is fixedly connected to the limiting surface (11). There are two connecting blocks (21). The two ends of the rotating column (22) are fixedly connected to the two connecting blocks (21) respectively. The pedal connecting rod (3) is provided with a rotating port (311). The rotating column (22) is coaxially rotatably connected to the inner wall of the rotating port (311).

9. The accelerator pedal misoperation alarm device according to claim 8, characterized in that: The pedal linkage (3) includes a rotating block (31), a control rod (32), and a pedal rod (33). The rotating block (31) has a rotating opening (311). The control rod (32) and the pedal rod (33) are both fixedly connected to the outer wall of the rotating block (31). The alarm element (6) is connected to the pedal rod (33). The end of the pedal rod (33) away from the rotating block (31) is bent upward. The end of the pedal rod (33) away from the rotating block (31) is fixedly connected to a foot pedal (331).