阅读说明：本技术 一种用于汽车紧急刹车制动的防误踏系统及其装置 (Anti-misstep system and device for automobile emergency brake ) 是由 沈益军 潘金平 肖世豪 张立安 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种用于汽车紧急刹车制动的防误踏系统及其装置,属于汽车安全技术领域,包括油门踏板、连杆和踏板位移传感器,所述油门踏板通过连杆连接踏板位移传感器,所述油门踏板通过定位块连接连杆一端,所述连杆表面固定连接有固定块,所述固定块的表面固定连接有安装壳,所述安装壳的内腔设置有第一传感器、第二传感器和触发杆；本发明通过在紧急情况下,误踩踏油门踏板,使导向杆移动,在用力踩踏板的时,限位板内壁通过限位弹簧安装的限位滚珠会进行收回,使安装壳内的触发杆通过导向板进行运动,从而触发第一传感器和第二传感器,如果两个传感器触发的时间间隔处于预设的阈值范围内,将会向制动系统发出信号,进行紧急制动。(The invention discloses an anti-false-stepping system and an anti-false-stepping device for automobile emergency brake, which belong to the technical field of automobile safety and comprise an accelerator pedal, a connecting rod and a pedal displacement sensor, wherein the accelerator pedal is connected with the pedal displacement sensor through the connecting rod, the accelerator pedal is connected with one end of the connecting rod through a positioning block, the surface of the connecting rod is fixedly connected with a fixing block, the surface of the fixing block is fixedly connected with an installation shell, and the inner cavity of the installation shell is provided with a first sensor, a second sensor and a trigger rod; in an emergency situation, the accelerator pedal is treaded by mistake to move the guide rod, when the pedal is treaded by force, the limiting ball arranged on the inner wall of the limiting plate through the limiting spring is retracted, the trigger rod in the mounting shell moves through the guide plate, so that the first sensor and the second sensor are triggered, and if the triggering time interval of the two sensors is within a preset threshold range, a signal is sent to a braking system to perform emergency braking.)

1. The utility model provides a prevent mistake and step on device for car emergency brake braking, includes accelerator pedal (1), connecting rod (2) and footboard displacement sensor (3), accelerator pedal (1) is through connecting rod (2) connection footboard displacement sensor (3), its characterized in that: connecting rod (2) one end is connected through locating piece (5) in accelerator pedal (1), connecting rod (2) fixed surface is connected with fixed block (10), the fixed surface of fixed block (10) is connected with installation shell (11), the inner chamber of installation shell (11) is provided with first sensor (12), second sensor (13) and trigger bar (23), the one end fixedly connected with guide bar (9) of trigger bar (23), accelerator pedal (1) is connected to the other end of guide bar (9).

2. The anti-misstep device for the emergency brake of the automobile according to claim 1, wherein: the positioning rod (6) is fixedly connected to two sides of one end of the connecting rod (2), the positioning rod (6) is movably mounted on the surface of the positioning block (5), and a limiting baffle (7) is fixedly connected to the surface of the positioning rod (6).

3. The anti-misstep device for the emergency brake of the automobile according to claim 2, wherein: the mounting structure is characterized in that a limiting plate (14) is fixedly mounted at the top of the mounting shell (11), a cushion pad (18) is fixedly bonded on the surface of the limiting plate (14), a groove is formed in the inner wall of the limiting plate (14), and a limiting spring (19) is arranged in the groove.

4. The anti-misstep device for the emergency brake of the automobile according to claim 3, wherein: one end of the limiting spring (19) is connected with a limiting ball (20), a limiting groove (21) is formed in the surface of the guide rod (9), and the surface of the limiting ball (20) is in rolling connection with the inner wall of the limiting groove (21).

5. The anti-misstep device for the emergency brake of the automobile according to claim 4, wherein: one end fixedly connected with baffle (17) of guide bar (9), trigger bar (23) pass through baffle (17) fixed connection guide bar (9), the surface mounting of trigger bar (23) has reset spring (22).

6. The anti-misstep device for the emergency brake of the automobile according to claim 5, wherein: the inner chamber fixed mounting of installation shell (11) has deflector (15), the fixed surface of deflector (15) is connected with protection pad (16), install installation shell (11) inner wall at deflector (15) opposite side first sensor (12) and second sensor (13).

7. The anti-misstep device for the emergency brake of the automobile according to claim 6, wherein: one end swing joint of guide bar (9) has fixed plate (8), fixed plate (8) fixed connection accelerator pedal's (1) bottom, accelerator pedal's (1) surface is provided with slipmat (4).

8. The utility model provides a prevent mistake system of stepping on for car emergency brake braking which characterized in that: including being used for the signal transmitter who is connected with car central control system, mistake and step on judgement module, be used for car emergency brake braking prevent mistake and step on the device, be used for car emergency brake braking prevent mistake step on the device and include first sensor, second sensor, trigger bar and accelerator pedal linkage, the trigger bar passes through first sensor, second sensor in proper order, first sensor, second sensor respectively with the mistake step on the judgement module and be connected, the mistake is stepped on judgement module and is connected with signal transmitter.

9. The mis-pedaling prevention system for emergency brake of automobile according to claim 8, wherein: the mistaken-pedaling judgment module comprises a processor and a timer, and the timer is connected with the processor, the first sensor and the second sensor respectively.

Technical Field

The invention relates to the technical field of automobile safety, in particular to an anti-misstep system and an anti-misstep device for automobile emergency brake.

Background

Along with the improvement of living standard and the acceleration of living rhythm, the dependence of people on automobiles is more obvious, the automobile holding capacity is continuously increased, and traffic accidents are more and more concerned by society; the automatic transmission automobile is not provided with a separate clutch pedal, the clutch function of the automatic transmission automobile is integrated on a brake pedal, and an accelerator pedal is not greatly different from a manual transmission automobile; however, in both manual-gear automobiles and automatic-gear automobiles, the accelerator pedal and the brake pedal are placed together and controlled by the same foot, and in actual operation, the accelerator pedal is mistakenly stepped on by the foot as the brake pedal in a hurry, so that the speed of the automobile is increased, and more serious traffic accidents are caused, so that a mistaken-stepping prevention device for emergency braking of the automobile needs to be provided.

Disclosure of Invention

The invention aims to provide an anti-false-stepping device for automobile emergency brake, which is characterized in that two sensors are arranged on one side of an accelerator pedal, and when the time of the accelerator pedal passing through the two sensors is within a set threshold range, a signal is sent to a brake system to carry out emergency brake, so that the situation that the accelerator is stepped on by mistake in various brake situations is prevented, and the problems in the background technology are solved.

To achieve the above object, the present invention provides: the utility model provides a prevent mistake and step on device for car emergency brake braking, includes accelerator pedal, connecting rod and footboard displacement sensor, accelerator pedal passes through the connecting rod and connects footboard displacement sensor, accelerator pedal passes through locating piece connection connecting rod one end, connecting rod fixed surface is connected with the fixed block, the fixed surface of fixed block is connected with the installation shell, the inner chamber of installation shell is provided with first sensor, second sensor and trigger bar, the one end fixedly connected with guide bar of trigger bar, accelerator pedal is connected to the other end of guide bar.

Preferably, the two sides of one end of the connecting rod are fixedly connected with positioning rods, the positioning rods are movably mounted on the surfaces of the positioning blocks, and the surfaces of the positioning rods are fixedly connected with limiting baffle plates.

Preferably, the top of installation shell is fixedly installed with the limiting plate, the fixed surface of limiting plate bonds and has the blotter, the inner wall of limiting plate is seted up flutedly, be provided with spacing spring in the recess.

Preferably, one end of the limiting spring is connected with a limiting ball, a limiting groove is formed in the surface of the guide rod, and the surface of the limiting ball is in rolling connection with the inner wall of the limiting groove.

Preferably, one end of the guide rod is fixedly connected with a baffle, the trigger rod is fixedly connected with the guide rod through the baffle, and the surface of the trigger rod is provided with a return spring.

Preferably, the inner chamber fixed mounting of installation shell has the deflector, the fixed surface of deflector is connected with the protection pad, first sensor and second sensor are installed at the installation shell inner wall of deflector opposite side.

Preferably, one end of the guide rod is movably connected with a fixing plate, the fixing plate is fixedly connected with the bottom of the accelerator pedal, and the surface of the accelerator pedal is provided with an anti-slip pad.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the first sensor, the second sensor and the trigger rod are arranged, the accelerator pedal is treaded by mistake in an emergency, the guide rod can move, the surface of the guide rod is provided with the limiting groove, when the pedal is treaded by force, the inner wall of the limiting plate is retracted through the limiting ball arranged on the limiting spring, the trigger rod in the mounting shell moves through the guide plate, so that the first sensor and the second sensor are triggered, if the time interval between the triggering of the first sensor and the triggering of the second sensor is less than a preset threshold value, a signal is sent to the braking system for emergency braking, and the situation that the accelerator is treaded by mistake in various braking situations is prevented.

The invention also provides an anti-false-stepping system for automobile emergency brake, which is characterized by comprising a signal transmitter, an anti-false-stepping judgment module and an anti-false-stepping device, wherein the signal transmitter is connected with an automobile central control system, the anti-false-stepping device is used for automobile emergency brake, the anti-false-stepping device for automobile emergency brake comprises a first sensor, a second sensor and a trigger rod, the trigger rod is linked with an accelerator pedal, the trigger rod sequentially passes through the first sensor and the second sensor, the first sensor and the second sensor are respectively connected with the anti-false-stepping judgment module, and the anti-false-stepping judgment module is connected with the signal transmitter.

Preferably, the false pedaling judgment module comprises a processor and a timer, and the timer is respectively connected with the processor, the first sensor and the second sensor.

When the system is in operation, two conditions exist between the trigger lever and the sensor, one is not triggered, the accelerator is slightly stepped, the trigger lever cannot move to trigger the sensor, and then the whole system does not work; the second situation is that the accelerator is stepped on heavily, normally drive the trigger lever to pass through first sensor, second sensor in proper order, so the time-recorder is receiving two time signal and sending to the treater, because when the installation, the distance of two sensors is fixed, consequently its speed can be very fast acquireed through time, when speed is greater than 1m/s, just judge usually to step on for the mistake, the treater will start signal transmitter and send brake signal to the central control system and brake, if be less than this speed then do not send the signal, keep normal operating.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of the present invention in partial cutaway configuration;

FIG. 4 is an enlarged view of the area A of FIG. 3 according to the present invention;

FIG. 5 is a flowchart of the system process of the present invention.

In the figure: 1. an accelerator pedal; 2. a connecting rod; 3. a pedal displacement sensor; 4. a non-slip mat; 5. positioning blocks; 6. positioning a rod; 7. a limit baffle; 8. a fixing plate; 9. a guide bar; 10. a fixed block; 11. mounting a shell; 12. a first sensor; 13. a second sensor; 14. a limiting plate; 15. a guide plate; 16. a protective pad; 17. a baffle plate; 18. a cushion pad; 19. a limiting spring; 20. limiting balls; 21. a limiting groove; 22. a return spring; 23. a trigger lever.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides: an anti-false-stepping device for automobile emergency brake comprises an accelerator pedal 1, a connecting rod 2 and a pedal displacement sensor 3, wherein the accelerator pedal 1 is connected with the pedal displacement sensor 3 through the connecting rod 2, the accelerator pedal 1 is connected with one end of the connecting rod 2 through a positioning block 5, the surface of the connecting rod 2 is fixedly connected with a fixing block 10, the surface of the fixing block 10 is fixedly connected with an installation shell 11, a first sensor 12, a second sensor 13 and a trigger rod 23 are arranged in the inner cavity of the installation shell 11, one end of the trigger rod 23 is fixedly connected with a guide rod 9, and the other end of the guide rod 9 is connected with the accelerator pedal 1;

positioning rods 6 are fixedly connected to two sides of one end of the connecting rod 2, the positioning rods 6 are movably mounted on the surface of the positioning block 5, and limiting baffles 7 are fixedly connected to the surfaces of the positioning rods 6; through the arrangement of the positioning rod 6, the accelerator pedal 1 can be moved when the accelerator pedal 1 is trampled, the positioning block 5 is an assembly for mounting the positioning rod 6 and limits the position of the accelerator pedal 1, and the limiting baffle 7 is an assembly for limiting the position of the accelerator pedal 1, so that the situation that the accelerator pedal 1 shakes to cause potential safety hazards in the process is prevented;

a limiting plate 14 is fixedly mounted at the top of the mounting shell 11, a cushion 18 is fixedly bonded on the surface of the limiting plate 14, a groove is formed in the inner wall of the limiting plate 14, and a limiting spring 19 is arranged in the groove; the limit plate 14 is a component for installing a limit spring 19 and a limit ball 20, the limit plate 14 can guide the moving direction of the guide rod 9, the cushion pad 18 is used for reducing the collision between the installation shell 11 and the accelerator pedal 1 when the accelerator pedal 1 is stepped on by mistake in emergency braking, and the limit spring 19 is a component for acting force on the limit ball 20;

one end of the limiting spring 19 is connected with a limiting ball 20, the surface of the guide rod 9 is provided with a limiting groove 21, and the surface of the limiting ball 20 is in rolling connection with the inner wall of the limiting groove 21; the limiting ball 20 is a component for limiting the guide rod 9, the first sensor 12 and the second sensor 13 can be effectively prevented from being triggered at will when the accelerator pedal 1 is stepped on in a normal driving mode, the limiting groove 21 is used for limiting the position of the limiting ball 20, the limiting groove 21 is of a structure with a narrow top and a wide bottom, and the shallow top and the deep bottom, the limiting ball 20 can be effectively limited, and when emergency braking occurs and the accelerator pedal 1 is stepped on by mistake, the limiting ball 20 can be retracted through the structure, so that the normal use of the trigger rod 23 is ensured;

one end of the guide rod 9 is fixedly connected with a baffle 17, the trigger rod 23 is fixedly connected with the guide rod 9 through the baffle 17, and the surface of the trigger rod 23 is provided with a return spring 22; the baffle 17 is a component for limiting the position of the guide rod 9, the trigger rod 23 is a component for detecting a trigger sensor, the reset spring 22 is a component for resetting when the accelerator pedal 1 is loosened, one end of the guide rod 9 is movably connected with the fixing plate 8, the fixing plate 8 is fixedly connected with the bottom of the accelerator pedal 1, and the surface of the accelerator pedal 1 is provided with the anti-skid pad 4;

a guide plate 15 is fixedly arranged in the inner cavity of the mounting shell 11, a protective pad 16 is fixedly connected to the surface of the guide plate 15, and the first sensor 12 and the second sensor 13 are arranged on the inner wall of the mounting shell 11 on the other side of the guide plate 15; the first sensor 12 and the second sensor 13 can adopt correlation sensors to detect, the guide plate 15 is used for guiding and limiting the moving position of the trigger rod 23, the protective pad 16 can protect the baffle 17 and position the return spring 22, the first sensor 12 and the second sensor 13 are electrically connected with an automobile brake system through an electric control element, the electric control element is used for recording the trigger time of the sensors and comparing the trigger time with a preset threshold range, when the trigger rod 23 triggers the first sensor 12 and the second sensor 13, if the time interval triggered by the first sensor 12 and the second sensor 13 is within the preset threshold range, a signal is sent to the brake system to perform emergency braking, and the situation that the accelerator is mistakenly stepped on under various braking conditions is prevented.

The invention discloses an anti-false-stepping system for automobile emergency brake, which comprises a signal transmitter, an anti-false-stepping judgment module and an anti-false-stepping device, wherein the signal transmitter is connected with an automobile central control system, the anti-false-stepping device is used for automobile emergency brake, the anti-false-stepping device for automobile emergency brake comprises a first sensor, a second sensor and a trigger rod, the trigger rod is linked with an accelerator pedal, the trigger rod sequentially passes through the first sensor and the second sensor, the first sensor and the second sensor are respectively connected with the anti-false-stepping judgment module, the anti-false stepping judgment module is connected with the signal transmitter, the anti-false stepping judgment module comprises a processor and a timer, and the timer is respectively connected with the processor, the first sensor and the second sensor.

The invention has the greatest advantages that the invention can be additionally installed without changing the original vehicle structure, does not influence the normal driving habit, simplifies the system and increases the safety and the reaction time compared with the prior false stepping prevention braking system, and because the false stepping prevention system in the prior art is difficult to be simply additionally installed, the invention has the common principle that the accelerator and the brake system are converted by controlling the rotating speed to reach a certain rotating speed, the realization difficulty is very high, and the cost is very high.

In the invention, the threshold value is initially set to be 1m/s, the threshold value can be adjusted according to the use habit of a driver, the distance between the two sensors can also be adjusted, the sensors in the embodiment adopt photoelectric sensors, the operation is stable, and certainly, contact sensors can also be adopted, but under high-speed movement, the contact sensors have poor stability, and the signals cannot be triggered due to contact problems.

The invention designs a trigger mechanism to prevent the situation that the trigger lever is started by accidentally stepping on the accelerator, the speed of the trigger lever cannot exceed a threshold value under the situation, the vehicle can still run normally, and if the trigger lever is not triggered by stepping on the accelerator, the service lives of the sensor and the whole system can be prolonged.

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