CN107119599A - Prevent devices and methods therefor - Google Patents

Abstract

The invention relates to a blocking device, which is used to prevent an automobile from slipping unintentionally. The blocking device is arranged on a sloping ground, and includes a blocking pile for resisting automobile tires, an induction device, a driving device and a controller. The blocking pile is arranged on a On the slope and can be lifted or turned over relative to the slope, the sensing device includes a pressure sensor and an infrared sensor, the pressure sensor is set on the slope to detect and obtain the weight data of the car on the slope, and the infrared sensor is set on the slope to detect and obtain The driving speed data and position data of the car on the slope, the controller is connected with the pressure sensor and the infrared sensor to collect the weight data, driving speed data and position data, and control the driving device to drive according to the weight data, driving speed data and position data. The device is driven to prevent the pile from lifting or turning over relative to the slope. The preventing device can effectively prevent automobiles from slipping unintentionally on ramps, causing various accidents caused by frictional collisions.

Description

Blocking device and method thereof

technical field

The invention relates to a blocking device and a method thereof.

Background technique

At this stage, the movement of the car depends on turning the wheels to move forward or backward. In the process of driving, the driver needs to respond quickly according to the technical proficiency of personal driving, road conditions, and sudden changes such as people and animals escaping. Take the correct countermeasures. Even if the driver's rich driving experience and the ability to control the environment can control the safety of driving, some situations occur unintentionally. The slipping phenomenon of the car is easy to cause the car to collide with friction. If the unintentional misoperation or other influences on the ramp are not overcome, it will directly lead to a collision with the rear car or the front car.

Contents of the invention

The object of the present invention is to provide a device and a method for preventing an automobile from slipping unintentionally on a ramp.

In order to achieve the above object, the present invention provides the following technical solutions: a blocking device, which is used to prevent the car from slipping unintentionally. Pile, sensing device, driving device and controller, the preventing pile is set on the slope and can be raised or lowered relative to the slope, the sensing device includes a pressure sensor and an infrared sensor, and the pressure sensor is set on the slope The slope is used to detect and obtain the weight data of the car on the slope, and the infrared sensor is arranged on the slope to detect and obtain the speed data, position data, slope and the angle between the wheels and the road surface of the car on the slope data, the controller is connected with the pressure sensor and the infrared sensor to collect the weight data, travel speed data, position data, slope and angle data between the wheels and the road surface and according to the weight data, travel speed data , position data, slope, and angle data between the wheels and the road surface to control the driving of the driving device, and the driving device drives the blocking pile to lift or turn over relative to the slope.

Further, the blocking pile includes a blocking tongue and a transmission part, the transmission part is connected with the blocking tongue, and the driving device drives the transmission part to control the lifting or turning of the blocking tongue relative to the slope.

Further, the preventing tongue has a friction surface against the vehicle wheel on the slope, and the friction surface is a non-smooth surface.

Further, the transmission component is a bias wheel, and the bottom of the bias wheel resists the blocking tongue.

Further, the transmission component is a rotating shaft, the rotating shaft is connected with the preventing tongue, and the rotating shaft drives the preventing tongue to turn over relative to the slope.

Further, a storage groove is formed on the slope, and the blocking pile is stored in the storage groove.

Further, a plurality of pressure sensors, infrared sensors and blocking piles are set on the slope, the pressure sensors and infrared sensors correspond to the blocking piles, the pressure sensors correspond to the infrared sensors and the blocking piles to form a blocking device, each The blocking device is signally connected to the controller.

Further, the blocking pile also includes a horizontal sliding rail installed at the bottom of the blocking pile, a longitudinal sliding rail installed at the bottom of the horizontal sliding rail, and a horizontal drive for driving the blocking pile to move on the horizontal sliding rail. A component and a longitudinal driving component that drives the blocking pile to move on the longitudinal slide rail, and an auxiliary sensing device is provided on the blocking pile, and the auxiliary sensing device includes an auxiliary pressure sensor and a gyroscope, and the horizontal driving component and The longitudinal drive part is connected with the controller signal, the auxiliary pressure sensor is used to detect and obtain the weight data of the car on the slope, the gyroscope is used to detect the position data of the car, and the controller is connected to the auxiliary pressure sensor. The pressure sensor and the gyroscope are signal-connected to collect the weight data and the position data and control the activation of the horizontal drive element and the longitudinal drive element according to the weight data and the position data.

The present invention also provides a working method of the above-mentioned blocking device, the working method comprising the following steps:

The starting method of the preventing device:

S11: When the pressure sensor, the infrared sensor and the vertical infrared sensor arranged on the slope detect the weight data, driving speed data, position data, slope, and angle data of the wheel and the road surface of the front adjacent car on the slope, and the controller Obtain the weight data, driving speed data, position data, slope and angle data between the wheels and the road surface, and judge the position of the rear of the vehicle in front detected by the pressure sensor, the infrared sensor and the vertical infrared sensor set on the slope. After the distance between the position data and the front of another car adjacent to the car detected by the pressure sensor, the infrared sensor and the vertical infrared sensor installed on the slope is less than the safety distance, the controller according to the weight data of the car , driving speed data, position data, slope, the angle between the wheel and the road surface, and the friction coefficient of the road surface reserved in the controller to perform function calculations and determine that the distance of the vehicle’s backward slippage is less than the shortest time for the start of the blocking pile. The distance between, the controller controls the drive device adjacent to the rear of the car to start;

S12: After the driving device is activated, control the adjacent blocking pile corresponding to the rear of the vehicle to rise or turn upwards, so as to resist the tires of the vehicle.

Further, when the driving device drives the blocking pile to rise or turn upwards, and the auxiliary pressure sensor does not detect weight data, the controller controls the gyroscope to detect the position data of the blocking pile and locate it according to the infrared sensor. The position data of the car is further compared and analyzed to control the position data to control the transverse drive and the longitudinal drive to push the stopper to move towards the tires of the car until the auxiliary pressure sensor detects the weight data of the car.

The beneficial effects of the present invention are: because the preventing device of the present invention adopts the preventing pile to resist the automobile tire, and the preventing pile is controlled by the controller according to the weight data of the pressure sensor, the infrared sensor, the driving speed data, the position data, the slope and the wheel and the road surface. The angle data controls its flipping or lifting, so that when the blocking pile is turned up or raised, it can effectively prevent the car from slipping unintentionally on the ramp, causing the front and rear cars to collide and rub.

The above description is only an overview of the technical solutions of the present invention. In order to understand the technical means of the present invention more clearly and implement them according to the contents of the description, the preferred embodiments of the present invention and accompanying drawings are described in detail below.

Description of drawings

Fig. 1 is a schematic view of the use of the blocking device shown in an embodiment of the present invention.

FIG. 2 is a top view of FIG. 1 .

Fig. 3 is a ground enlarged view of the arresting device in Fig. 2 and Fig. 7 .

Fig. 4 is a working schematic diagram of the jacking preventing device.

FIG. 5 is a partially enlarged view of FIG. 4 .

Figure 6 is a partial enlarged view of Figure 4 using the deflection wheel method

Fig. 7 is another working schematic diagram of the blocking device.

Fig. 8 is a schematic diagram of the working principle of the induction device of the present invention.

Fig. 9 is a schematic diagram of the layout of the induction device of the present invention.

detailed description

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

Please refer to Fig. 1 to Fig. 3, Fig. 7 and Fig. 8, the preventing device shown in a preferred embodiment of the present invention is used to prevent automobile 20,30 from slipping involuntarily on the slope 40, and automobile 20 is at the rear portion of automobile 30 Downhill position, which includes a stop pile 1 for resisting automobile tires, a sensing device, a driving device and a controller (not shown). The sensing device includes a pressure sensor 11 for detecting the weight data of the automobile 20, 30, an infrared sensor 12 for detecting the speed data, position data, slope and the angle between the wheels and the road surface of the automobile 20, 30. The sensing device is connected with the signal of the controller, and the controller is connected with the signal of the driving device, and the driving device drives and prevents the pile 1 from changing the position state. In this embodiment, the driving device drives the preventing pile 1 to turn over relative to the slope 40. The preventing pile 1 includes a preventing tongue 9 and a transmission part 10, and the transmission part 10 is connected with the preventing tongue 9. The transmission part 10 is a rotating shaft, and the rotating shaft 10 controls the stop tongue 9 to turn over relative to the slope 40, and when the stop tongue 9 turns up, the stop tongue 9 abuts against the tires of the cars 20, 30 to prevent the cars 20, 30 from sliding down. The controller collects weight data, driving speed data, position data, slope and angle data between the wheels and the road surface, and controls the driving device to drive according to the weight data, driving speed data, position data, slope and angle data between the wheels and the road surface. A plurality of pressure sensors, infrared sensors and blocking piles 1 are arranged on the slope 40 , the pressure sensors 11 correspond to the infrared sensors 12 and the blocking piles 1 to form a blocking device, and each blocking device is signally connected to the controller.

In the above embodiment, the transmission part adopts the rotating shaft 10 , and the rotating shaft 10 is used to drive the preventing pile 1 from overturning relative to the slope 40 to resist the tires of the automobiles 20 and 30 . In order to prevent and reduce the just-needed impact between the car tire and the stop tongue 9, a torsion spring (not shown) is arranged on the rotating shaft 10 . In other embodiments, the transmission part can have other structures, and the position state of the blocking pile 1 can be up and down. Please refer to Fig. 4, Fig. 5 and Fig. 6, the transmission part 8 is a deflection wheel, and the The bottom resists the preventing tongue 3, and when the deflection wheel 8 rotates, the preventing tongue 3 is pushed up and down relative to the slope. A receiving groove 2 is formed on the slope, and the blocking pile 1' is accommodated in the receiving groove 2, and supports the tires of the automobiles 20, 30 by lifting up and down. Described preventing tongue 3 is provided with elastic device, and elastic device is spring leaf (not shown), and this spring leaf contacts with automobile tire, and when preventing tongue from contacting with automobile 20,30, spring leaf can increase automobile 20,30 car body. Slip reverse buffer force.

Above-mentioned mode all is to set transmission part between drive device and stop tongue 9 to finish the change of the position state of stop pile 1 ', in other modes, can directly adopt drive device to change the position state of stop pile. Please refer to Fig. 4 and Fig. 5, the driving device 3 can be hydraulic, preventing the pile 1' from being directly lifted by the hydraulic pressure so as to be raised and lowered relative to the slope. Described stopping pile 1 ' comprises lifting pile 4 and the friction surface 5 that resists the automobile on the described slope, and described friction surface 5 is a matte surface, can increase the frictional force of stopping pile 1 ' and target automobile tire, can Quickly and effectively prevent the car from slipping unintentionally on the slope.

Referring to Fig. 2, in order to increase the effectiveness of the blocking device, the length C of the blocking tongue (unlabeled) is greater than the width of the car tire, and envelops the rotation range of the left and right tire widths of the car, see Fig. 3, each The blocking tongue can be composed of a plurality of sub-blocking tongues 91 driven by the same rotating shaft 10 . The stop pile 1 also includes a horizontal slide rail (not shown) installed at the bottom of the stop pile 1, a longitudinal slide rail (not shown) installed at the bottom of the horizontal slide rail, and drives the stop pile on the bottom of the stop pile. The horizontal driving part (not shown) that moves on the horizontal slide rail and the longitudinal driving part (not shown) that drives the stop pile 1 to move on the longitudinal slide rail, and the stop pile 1 is provided with an auxiliary sensor device (not shown), the auxiliary sensing device includes an auxiliary pressure sensor (not shown) and a gyroscope (not shown), the horizontal drive and the longitudinal drive are connected to the controller signal, the auxiliary The pressure sensor is used to detect and obtain the weight data of the car on the slope, the gyroscope is used to detect the position data of the car, and the controller is connected with the auxiliary pressure sensor and the gyroscope signal to collect the The weight data and the position data are used to control the activation of the transverse driving element and the longitudinal driving element according to the weight data and the position data. Through this setting, when the car slides obliquely, the stop pile 1 can be driven to make a proper fine-tuning of the position, so that the stop pile 1 can better resist the two rear tires at a certain force angle. , to prevent that only one of them stops the pile 1 or a few sub-stops the tongue 91 from working, making it too tired.

Please combine Figures 1 to 3 and Figure 9, taking the transmission part 10 set between the driving device and the blocking pile 1 as an example, and the transmission part is a rotating shaft 10, the safety distance 6 for the collision between two vehicles and the blocking pile are preset in the controller. The distance between 20 and 30 tires of the car after starting in the shortest time. The controller is equipped with the road surface friction coefficient obtained by detecting the road surface material and structure and has a function calculation program. The pressure sensor and the infrared sensor cooperate to calculate the front and rear of each car. The distance from the tires in their respective directions, so as to facilitate the calculation of the distance between the front and rear of the two vehicles. The distribution distance A of the two blocking devices is equal to N times the width B of the blocking device. The working method of the blocking device is as follows:

The starting method of the preventing device:

S11: When the pressure sensor 11, the infrared sensor 12 and the vertical infrared sensor 7 arranged on the slope detect the weight data, driving speed data, position data, slope and the angle data of the wheel and the road surface of the front adjacent car 30 on the slope , the controller obtains the weight data, driving speed data, position data, slope and angle data between the wheels and the road surface and judges the front surface detected by the pressure sensor 11, the infrared sensor 12 and the vertical infrared sensor 7 arranged on the slope. The distance between the position data of the rear of the automobile 30 and the front of another automobile 20 adjacent to the automobile detected by the pressure sensor 11, the infrared sensor 12 and the vertical infrared sensor 7 arranged on the slope is less than the safety distance At 6 o'clock (the car 30 is slipping backwards), the controller calculates and judges the car 30 according to the weight data, driving speed data, position data, slope, the angle between the wheel and the road surface and the road surface friction coefficient function reserved in the controller. The distance of the backward slippage is less than the distance between the pile 1 and the tires of the automobile 30 in the shortest time to prevent the pile 1 from starting, and the controller controls the drive device adjacent to the rear of the automobile 30 to start;

S12: After the driving device is started, control the corresponding blocking pile 1 adjacent to the rear of the car 30 to rise or turn upwards, so as to resist the tires of the car 30;

When the blocking member is reset,

S11': When the controller judges that the weight data, driving degree data, position data, slope and angle data between the wheels and the road surface detected by the pressure sensor 11 and the infrared sensor 12 on a certain point on the slope become smaller, then it is judged that the car 30 moving forward, the controller controls the drive at this point to start;

S12': After the driving device is started, control the corresponding blocking pile to descend or turn down.

When the driving device drives the blocking pile 1 to rise or turn up, and the auxiliary pressure sensor 11 does not detect the weight data, the controller controls the gyroscope to detect the position data of the blocking pile and locate it according to the infrared sensor 12 The position data of the cars 20, 30, and then compared and analyzed to control the position data to control the transverse drive and the longitudinal drive to push the stop pile 1 to move in the direction of the car tires until the auxiliary pressure sensor detects the weight of the car data.

The structure of the above-mentioned blocking device is taken as an example of flipping. Please refer to Fig. 4, Fig. 5 and Fig. 6. When hydraulic pressure or deflection wheels are used, the steps are as follows: When the pressure sensor and infrared sensor and the vertical infrared sensor installed on the slope The sensor detects the weight data, driving speed data, position data, slope and the angle data between the wheels and the road surface of the adjacent car on the slope, and the controller obtains the weight data, driving speed data, position data, slope and the angle data between the wheels and the road surface. Angle data and judge the position data of the rear of the car in front detected by the pressure sensor, the infrared sensor and the vertical infrared sensor arranged on the slope and the position data detected by the pressure sensor, the infrared sensor and the vertical infrared sensor arranged on the slope When the distance to the front of another car adjacent to the car is less than the safety distance 6, the controller acquires the data, and according to the weight data of the car, the speed data of the car, the position data, the slope, the wheel and the The angle of the road surface and the road surface friction coefficient reserved in the controller perform function calculations and determine that the distance of the car’s backward slippage is less than the distance between the stop pile 1’ and the tires of the car within the shortest time when the stop pile 1’ starts, the controller Control and the said driving device that is adjacent to the automobile 30 rear start, control and prevent tongue 9 from rising after the driving device starts.

In summary, since the above-mentioned blocking device uses a blocking pile to resist the car tire, and the blocking pile is controlled by the controller according to the weight data of the pressure sensor and the infrared sensor, the driving speed data, the position data, the slope, and the angle data between the wheel and the road surface It flips or lifts, so that when the blocking pile is turned up or rises, it can effectively prevent the car from slipping unintentionally on the ramp, causing the front and rear cars to collide and rub.

The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above-mentioned embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, should be considered as within the scope of this specification.

The above-mentioned embodiments only express several implementation modes of the present invention, and the descriptions thereof are relatively specific and detailed, but should not be construed as limiting the patent scope of the invention. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent for the present invention should be based on the appended claims.

Claims (10)

1. A blocking device, which is used to prevent unwanted slippage of automobiles, said blocking device is arranged on the ground of a slope, and is characterized in that: said blocking device includes a blocking stake for resisting automobile tires, an induction device, a driving device and controller, the preventing pile is set on the slope and can be raised or lowered relative to the slope, the sensing device includes a pressure sensor and an infrared sensor, and the pressure sensor is set on the slope to detect And obtain the weight data of the car on the slope and the position data of the car tires, the infrared sensor is arranged on the slope to detect and obtain the driving speed data, position data, slope and the angle of the wheel and the road surface of the car on the slope data, the controller is connected with the pressure sensor and the infrared sensor to collect the weight data, travel speed data, position data, slope and angle data between the wheels and the road surface and according to the weight data, travel speed data , position data, slope, and angle data between the wheels and the road surface to control the driving of the driving device, and the driving device drives the blocking pile to lift or turn over relative to the slope. 2. The blocking device according to claim 1, characterized in that: the blocking pile includes a blocking tongue and a transmission part, the transmission part is connected with the blocking tongue, and the driving device drives the transmission part to control the lifting of the blocking tongue relative to the slope or flip. 3. The blocking device according to claim 1 or 2, characterized in that: the blocking tongue has a friction surface against a vehicle wheel on the slope, and the friction surface is a non-smooth surface. 4. The blocking device according to claim 2, characterized in that: the transmission part is a deflection wheel, and the deflection wheel is against the bottom of the blocking tongue. 5. The blocking device according to claim 2, wherein the transmission part is a rotating shaft connected to the blocking tongue, and the rotating shaft drives the blocking tongue to turn over relative to the slope. 6 . The blocking device according to claim 1 , wherein a storage groove is formed on the top of the slope, and the blocking pile is stored in the storage groove. 7 . 7. The blocking device according to claim 1, characterized in that: multiple pressure sensors, infrared sensors and blocking piles are set on the slope, the pressure sensors and infrared sensors correspond to the blocking piles, and the pressure sensors correspond to the blocking piles. The infrared sensor and the blocking pile form a blocking device, and each blocking device is connected with the controller signal. 8. The blocking device according to claim 1, characterized in that: the blocking pile also includes a horizontal slide rail installed at the bottom of the blocking pile, a longitudinal slide rail installed at the bottom of the horizontal slide rail, and drives the The horizontal driving part that prevents the pile from moving on the horizontal slide rail and the longitudinal driving part that drives the blocking pile to move on the longitudinal slide rail, the auxiliary sensing device is provided on the blocking pile, and the auxiliary sensing device includes Auxiliary pressure sensor and gyroscope, the horizontal drive and the longitudinal drive are connected to the controller signal, the auxiliary pressure sensor is used to detect and obtain the weight data of the car on the slope, the gyroscope is used to detect the position data of the vehicle, said controller being signally connected to said auxiliary pressure sensor and said gyroscope to collect said weight data and said position data and to control said lateral drive based on said weight data and said position data parts, longitudinal drive parts start. 9. A working method of the blocking device according to any one of claims 1 to 8, characterized in that: said working method comprises the following steps: The starting method of the preventing device: S11: When the pressure sensor, the infrared sensor and the vertical infrared sensor arranged on the slope detect the weight data, driving speed data, position data, slope, and angle data of the wheel and the road surface of the front adjacent car on the slope, and the controller Obtain the weight data, driving speed data, position data, slope and angle data between the wheels and the road surface, and judge the position data of the rear of the car in front detected by the vertical infrared sensor and the position data detected by the vertical infrared sensor. After the distance between the front of another car adjacent to the car is less than the safety distance, the controller will automatically adjust the distance according to the weight data, driving speed data, position data, slope, wheel and road surface angle of the car and the preset value in the controller. Carry out function calculation on the remaining road surface friction coefficient and judge that the distance of the car’s backward slippage is less than the distance between the stop pile and the tire of the car in the shortest time when the stop pile starts, and the controller controls the drive device adjacent to the rear of the car to start; S12: After the driving device is activated, control the adjacent blocking pile corresponding to the rear of the vehicle to rise or turn upwards, so as to resist the tires of the vehicle. 10. The working method of the blocking device according to claim 9, characterized in that: when the driving device drives the blocking pile to rise or turn upwards, and the auxiliary pressure sensor does not detect weight data, the controller controls the The gyroscope detects the position data of the stop pile and locates the position data of the car according to the infrared sensor, and then compares and analyzes to control the position data to control the lateral drive and the longitudinal drive to push the stop pile to move in the direction of the car tire until The auxiliary pressure sensor detects the weight data of the car.