CN214470921U

CN214470921U - Vehicle guiding limiting device and vehicle-mounted panoramic image static calibration system comprising same

Info

Publication number: CN214470921U
Application number: CN202120363735.6U
Authority: CN
Inventors: 刘献兵; 吴越; 陆健翔; 许明锐
Original assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Current assignee: SAIC General Motors Corp Ltd; Pan Asia Technical Automotive Center Co Ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-10-22
Anticipated expiration: 2031-02-08

Abstract

The utility model relates to a vehicle direction stop device reaches static calibration system of on-vehicle panoramic image including it. The vehicle guiding and limiting device comprises a front guiding mechanism for guiding at least one front wheel of a vehicle, and a rear guiding mechanism for guiding at least one rear wheel of the vehicle, wherein the relative positions of the front guiding mechanism and the rear guiding mechanism are set to correspond to the relative positions of the at least one front wheel and the at least one rear wheel, and the vehicle guiding and limiting device further comprises a limiting mechanism which is adjacently arranged at the front part of at least one of the front guiding mechanism and the rear guiding mechanism, and the limiting mechanism is suitable for limiting the front and rear movement of the vehicle.

Description

Vehicle guiding limiting device and vehicle-mounted panoramic image static calibration system comprising same

Technical Field

The utility model relates to the technical field of automobiles; specifically speaking, the utility model relates to a vehicle direction stop device to further relate to a static calibration system of on-vehicle panoramic image including it.

Background

Along with the continuous development of vehicle intellectuality, more and more vehicles have been equipped with panoramic image system, and it can make things convenient for the driver to observe the image around the automobile body in the car. At present, the panoramic image splicing technology of most mass-produced vehicle types is realized by carrying out static calibration in a place where a calibration plate is arranged. The key of the development of the vehicle-mounted panoramic image technology lies in a limiting device for the static calibration of the vehicle panoramic image.

The existing vehicle limiting devices are mainly divided into two types. One type is a low-precision parking limiting device facing a garage, which is mainly realized by a form of drawing a line on the ground or an edge baffle; one type is a high-precision limiting device which drives a limiting block through a motor to forcibly align a vehicle.

SUMMERY OF THE UTILITY MODEL

An aspect of the present invention is to provide a vehicle guiding and limiting device.

An object of another aspect of the utility model is to provide a static calibration system of on-vehicle panoramic image including aforementioned vehicle direction stop device.

In order to achieve the above object, an aspect of the present invention provides a vehicle guide limiting device, wherein the vehicle guide limiting device includes:

a front steering mechanism adapted to steer at least one front wheel of the vehicle;

a rear guide mechanism adapted to guide at least one rear wheel of the vehicle;

wherein the relative positions of the front and rear guide mechanisms are arranged to correspond to the relative positions of the at least one front wheel and the at least one rear wheel,

and the vehicle guiding and limiting device further comprises a limiting mechanism which is adjacently arranged at the front part of at least one of the front guiding mechanism and the rear guiding mechanism, and the limiting mechanism is suitable for limiting the front and rear movement of the vehicle.

Alternatively, in the vehicle guide limit device as described above, the front guide mechanism and the rear guide mechanism each include a pair of guide rails.

Optionally, the guide rail has a rail bracket, and a plurality of aligning blocks capable of freely rotating in a normal direction of the rail bracket are disposed on the guide rail, and a cross section of each aligning block is a hollow circle.

Optionally, the limiting mechanism comprises a pair of limiting guide rails, a front protrusion and a rear protrusion are arranged between the pair of limiting guide rails, and the limiting guide rails and the front protrusion and the rear protrusion together enclose a limiting groove for limiting the front and rear movement of a wheel entering the limiting guide rails.

Optionally, the front protrusion and/or the rear protrusion are arc-shaped, the height of the front protrusion and/or the rear protrusion is not lower than 2 cm and not higher than 3 cm, the front protrusion is higher than the rear protrusion, and the longitudinal length of the limiting groove is not smaller than 25 cm and not larger than 30 cm.

Optionally, at least one of the guide rails and/or at least one of the curb rails is shaped and dimensioned to: the section is circular; the longitudinal length is not less than 80 cm; the height is not less than 10 cm.

Optionally, the pair of limit rails are parallel to each other, the width of the pair of limit rails is 10 cm to 15 cm greater than the width of the corresponding wheel, and the width of the pair of guide rails is gradually reduced from back to front and is finally as wide as the corresponding limit rails.

Optionally, the longitudinal included angle between the guide rail and the corresponding limit rail is not less than 15 ° and not more than 20 °.

Optionally, the front and rear guide mechanisms are longitudinally arranged front to rear on a driver side of the vehicle.

In order to achieve the above object, another aspect of the present invention provides a vehicle-mounted panoramic image static calibration system, wherein the vehicle guiding and limiting device is fixed in the static calibration field of the vehicle-mounted panoramic image static calibration system.

Drawings

The disclosure of the present invention will be more apparent with reference to the accompanying drawings. It is to be understood that these drawings are solely for purposes of illustration and are not intended as a definition of the limits of the invention. In the figure:

fig. 1 is a schematic view of an on-vehicle panoramic image static calibration system according to an embodiment of the present invention, wherein a vehicle guiding and limiting device according to an embodiment of the present invention fixed in the on-vehicle panoramic image static calibration system is schematically depicted;

FIG. 2 is a cross-sectional view of a spacing groove of the vehicle guide and spacing device of FIG. 1 taken along line A-A of FIG. 1;

FIG. 3 is a longitudinal plane of symmetry cross-sectional view of a curb rail of the vehicle guide curb unit of FIG. 1;

fig. 4 is a longitudinal symmetrical plane sectional view of a guide rail of the vehicle guide check device of fig. 1.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the drawings. In the drawings, the same reference numerals indicate the same or corresponding features.

In the present specification, terms of orientation such as "front" and "rear" are defined with respect to the direction of the vehicle to be calibrated. Fig. 1 is the basis the utility model discloses a vehicle-mounted panoramic image static calibration system's of embodiment schematic diagram, wherein according to the utility model discloses a vehicle direction stop device of embodiment fixes in this vehicle-mounted panoramic image static calibration system's static demarcation place 6, through the panoramic image concatenation of static demarcation realization vehicle, utilizes the panoramic image system that this panoramic image concatenation technique realized for the driver can conveniently observe the image around the automobile body in the car. The arrow F in fig. 1 indicates the direction of advance of the vehicle to be calibrated.

As can be seen from the figure, the vehicle guiding and limiting device may include a front guiding mechanism 1 and a rear guiding mechanism 2, the front guiding mechanism 1 is adapted to guide a front wheel of the vehicle to be calibrated, and the rear guiding mechanism 2 is adapted to guide a rear wheel of the vehicle to be calibrated. In this embodiment, the relative positions of the front guide mechanism 1 and the rear guide mechanism 2 correspond to the relative positions of the front wheels and the rear wheels on the same side, in particular in a front-rear longitudinal arrangement on the driver side of the vehicle. Under the condition that the front guide mechanism 1 and the rear guide mechanism 2 are longitudinally arranged at the front and the rear of the driver side, the driver can drive the vehicle into a proper guiding and limiting position conveniently.

In other embodiments, the front guide can also be arranged on the other side of the vehicle body, i.e. the passenger side, and the rear guide can be arranged on the same side or on the different side of the vehicle body from the front guide. Furthermore, in alternative embodiments, the front guiding mechanism may be one or two, and the rear guiding mechanism may be one or two, corresponding to one or two front wheels, one or two rear wheels of the vehicle, respectively.

In the illustrated embodiment, the front guide mechanism 1 includes a pair of guide rails 5, and the rear guide mechanism 2 includes a pair of guide rails 8. The front part of the front guide mechanism 1 is provided with a limiting mechanism, the limiting mechanism comprises a pair of limiting guide rails 4, a front protrusion 9 and a rear protrusion 10 are arranged between the limiting guide rails 4, and the limiting guide rails 4, the front protrusion 9 and the rear protrusion 10 jointly enclose a limiting groove 3 for limiting the front and rear movement of wheels entering the limiting groove. The front part of the guide rail 8 of the rear guide mechanism 2 may also be provided with a limit rail 7 for limiting the lateral position of the rear wheels. In an alternative embodiment, the rear guide 2 may also be provided without the limit rail 7.

In an alternative embodiment, the limiting mechanism may be disposed in front of the rear guide mechanism 2, or the limiting mechanism may be disposed in front of both the front guide mechanism 1 and the rear guide mechanism 2. In addition, the limiting mechanism can be other limiting parts with limiting functions, such as limiting blocks, limiting baffles and the like.

In the illustrated embodiment, the

guide rails

5 and 8 have the same structure, the

limit rails

4 and 7 have the same structure, and the width of the

guide rails

5 and 8 gradually decreases and is finally as wide as the

corresponding limit rails

4 and 7, so that the

guide rails

5 and 8 can be used for guiding the vehicle when the vehicle drives into the static calibration station, and can more accurately drive into the

limit rails

4 and 7 and the limit groove 3. In alternative embodiments, the

guide rails

5, 8 may differ in size and configuration and the

curb rails

4, 7 may differ in size and configuration.

Fig. 2 is a sectional view of the stopper groove 3 in the vehicle guide stopper device of fig. 1 taken along line a-a of fig. 1, in which an arrow F indicates a vehicle advancing direction. The front and the back of the limiting groove 3 are respectively provided with a front projection 9 and a back projection 10 which are used for final longitudinal limiting when the vehicle drives into the static calibration field 6. Alternatively, the bottom of the stopper groove 3 may be provided with a bottom plate 11.

The front protrusion 9 and the rear protrusion 10 of the limiting groove 3 are arc-shaped, the height of the front protrusion 9 and the rear protrusion 10 is not less than 2 cm and not more than 3 cm, the front protrusion 9 is higher than the rear protrusion 10, and the longitudinal length of the limiting groove 3 is not less than 25 cm and not more than 30 cm. The front projection 9 is slightly lower to facilitate the entry of the wheel into the retaining groove 3 and the rear projection 10 is higher to more easily retain the wheel within the retaining groove 3.

In alternative embodiments, the front protrusion 9 and/or the rear protrusion 10 of the retaining groove 3 may be configured in various shapes such as a semi-oval shape, a triangular shape, a trapezoidal shape, etc. in cross section. The height of the front protrusion 9 may also be equal to or less than the height of the rear protrusion 10. As can be seen in connection with fig. 1, the front 9 and rear 10 projections are in this example elongated and extend between the two curb rails 4. In alternative embodiments, the front and/or

rear projections

9, 10 may also be non-continuous structures, such as a plurality of semi-spherical structures.

Fig. 3 is a longitudinal symmetrical plane sectional view of the check guide 4 of the vehicle guide check device of fig. 1, in which the direction of the vehicle advance is indicated by an arrow. As can be seen from fig. 1, the two curb rails 4 are disposed parallel to each other. According to specific limiting requirements, the width of each pair of limiting guide rails 4 can be 10 cm to 15 cm larger than the width of the corresponding wheel, and the longitudinal length of each limiting guide rail 4 is not less than 80 cm and the height of each limiting guide rail 4 is not less than 10 cm. The cross-section of the curb rails 4 may be provided as a circle, a square, or other shape. The limiting guide rail is used for transverse limiting when a vehicle drives into the static calibration station.

As can also be seen from fig. 3, the limit rail 4 can be supported by a rail bracket. Two guide rail brackets are schematically shown in the figure. In other embodiments the number of guide rail brackets may be set according to specific needs.

Fig. 4 is a longitudinal symmetrical plane sectional view of the guide rail 5 of the vehicle guide fence of fig. 1. In this embodiment, the guide rails 5 have rail brackets 12, and a plurality of aligning blocks 13 that can freely rotate around the guide rails 5 are provided on each guide rail 5. The directions of arrows in the drawing indicate the longitudinal direction of the guide rail and the rotation direction of the aligning block, respectively.

The width of the guide rail 5 is gradually reduced from back to front along the advancing direction of the vehicle, and is finally as wide as the corresponding limit rail. When the wheel driving direction of the vehicle deviates from the expected direction and the vehicle rolls over the guide rail 5, the aligning block 13 on the guide rail 5 contacts with the wheel and rotates reversely with the wheel, so that the wheel cannot pass over the guide rail 5, thereby limiting the movement of the wheel in the guide rail 5 and realizing the guiding function. In an alternative embodiment, the cross section of the guide rail 5 is circular, the cross section of the aligning block is hollow circular, and the number of the aligning blocks 13 on each guide rail is 3 to 5. The longitudinal length of the guide rails is not less than 80 cm, the height of the guide rails is not less than 10 cm, and the longitudinal included angle between each pair of guide rails and the corresponding limiting guide rail is not less than 15 degrees and not more than 20 degrees.

As described above, the vehicle-mounted panoramic image static calibration system and the vehicle guiding and limiting device according to some aspects of the present invention are described with reference to the accompanying drawings. It will be appreciated that in alternative embodiments, the spacing mechanism may have the same or similar construction and arrangement to the example of figure 3, in order to achieve the same spacing effect at the vehicle guidance spacing means corresponding to different wheel positions; in order to achieve the same guiding effect at the vehicle guiding and limiting device corresponding to different wheel positions, the guiding mechanism may have the same or similar structure and arrangement as the example in fig. 4.

The utility model discloses a vehicle direction stop device leads and spacing through guiding mechanism and stop gear's combination to the vehicle, and the vehicle is at first through guiding mechanism to realize horizontal accurate direction and spacing, reach stop gear then, realize fore-and-aft accurate spacing. Compared with the garage-oriented parking low-precision limiting device which is realized only in the form of ground scribing or edge baffles, the limiting precision and the limiting success rate are obviously improved. In addition, compared with a high-precision limiting device for forcibly aligning a vehicle through a motor-driven limiting block or a limiting baffle, the vehicle guiding and limiting device is simple in structure, easy to operate, low in requirement on limiting field layout, high in cost benefit and convenient to popularize and apply.

The technical scope of the present invention is not limited to the above description, and those skilled in the art can make various modifications and alterations to the above embodiments without departing from the technical spirit of the present invention, and all such modifications and alterations should fall within the scope of the present invention.

Claims

1. A vehicle guidance stop, characterized in that, vehicle guidance stop includes:

a rear guide mechanism adapted to guide at least one rear wheel of the vehicle;

2. The vehicle guidance stop according to claim 1, wherein the front guide mechanism and the rear guide mechanism each comprise a pair of guide rails.

3. The vehicle guide and stop device according to claim 2, wherein the guide rail has a rail bracket, and a plurality of centering blocks that can freely rotate around the guide rail are provided on the guide rail, and the cross section of the centering blocks is a hollow circle.

4. The vehicle guiding and limiting device according to claim 2, wherein the limiting mechanism comprises a pair of limiting guide rails, a front protrusion and a rear protrusion are arranged between the pair of limiting guide rails, and the limiting guide rails and the front protrusion and the rear protrusion together enclose a limiting groove for limiting the front and rear movement of a wheel entering the limiting groove.

5. The vehicle guiding and limiting device according to claim 4, wherein the front protrusion and/or the rear protrusion has a circular arc shape, a height of the front protrusion and/or the rear protrusion is not less than 2 cm and not more than 3 cm, the front protrusion is higher than the rear protrusion, and a longitudinal length of the limiting groove is not less than 25 cm and not more than 30 cm.

6. The vehicle guidance stop according to claim 4, wherein at least one of the guide rails and/or at least one of the stop rails is shaped and dimensioned to: the section is circular; the longitudinal length is not less than 80 cm; the height is not less than 10 cm.

7. The vehicle guide and stop device according to claim 4, wherein the pair of stop rails are parallel to each other, the width of the stop rails is 10 cm to 15 cm greater than the width of the corresponding wheels, and the width of the pair of guide rails is gradually reduced from the rear to the front and finally has the same width as the corresponding stop rails.

8. The vehicle guidance stop according to claim 7, wherein the guide rail is longitudinally angled from the respective stop rail by no less than 15 ° and no more than 20 °.

9. The vehicle guidance and limiting device according to claim 1, wherein the front guide mechanism and the rear guide mechanism are longitudinally arranged front to rear on a driver side of the vehicle.

10. A vehicle-mounted panoramic image static calibration system is characterized in that a vehicle guiding and limiting device as defined in any one of claims 1 to 9 is fixed in a static calibration site of the vehicle-mounted panoramic image static calibration system.