CN215868408U

CN215868408U - Marker

Info

Publication number: CN215868408U
Application number: CN202120849568.6U
Authority: CN
Inventors: 刘自禄
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2022-02-18
Anticipated expiration: 2031-04-23

Abstract

The application provides a marker, which comprises a body, the body includes the cylinder, be equipped with the bar code on the cylinder, the black strip interval of bar code sets up, and the plane at black strip place is perpendicular or be and be more than 0 angle crossing with the straight generating line of cylinder. By adopting the marker, the vehicle can be actively positioned at high precision, the automatic driving positioning requirement of the vehicle can be met, for example, the vehicle can be positioned in places with dense tunnels, viaducts and buildings, the positioning accuracy of the vehicle is improved, and meanwhile, the marker is low in cost, simple to implement and high in stability.

Description

Marker

Technical Field

The application relates to the technical field of vehicle positioning, in particular to a marker.

Background

The existing vehicles (such as vehicles and ships) take vehicles as an example, the vehicles basically rely on satellite signals to perform real-time positioning, and the automatic driving needs high-precision positioning, but when the vehicles need to pass through the conditions that GPS signals are weak, such as viaducts, dense buildings, tunnels, underground passages and the like, the situation that the vehicle positioning is inaccurate can occur by simply relying on satellite information to perform positioning. In order to solve the problem, at some positions with weak signals, such as tunnels, underpass and the like, plane plates are arranged on two sides of a road, two-dimensional codes are arranged on the plane plates, and passing vehicles read information in the two-dimensional codes through cameras so as to further know the current positioning condition. However, in this way, the vehicle can only get information as close to the flat panel as possible, which is inconvenient for the vehicle to read the information.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need for a marker that enables a vehicle to more conveniently read information in the marker.

The embodiment of the application provides a marker, which comprises a body, the body includes the cylinder, be equipped with the bar code on the cylinder, the black strip interval of bar code sets up, and the plane at black strip place is perpendicular or be and be more than 0 angle crossing with the straight generating line of cylinder. By adopting the marker, the vehicle, such as a vehicle, can acquire information at a longer distance and from multiple angles, and meanwhile, the setting of the marker is reduced, and the cost is reduced.

In at least one embodiment, the identifier further comprises a base, the base is disposed on the body, and the body is fixed by the base. The body is fixed through the base, avoids this integument to be damaged, and makes the body more firm.

In at least one embodiment, a pointing part is arranged on the base and used for guiding the fixing direction of the body. Through setting up the directive portion, when fixed body, can confirm the direction that sets up of body more easily, promote the efficiency of body installation.

In at least one embodiment, the marker further comprises a connector disposed on the body for suspending the body. The body is hung through the connecting piece, and the bar code on the body is read when the vehicle passes by.

In at least one embodiment, the connector is one of a magnetically attracted jaw, an annular snap, or a locking block. The connecting piece is for magnetism to inhale clamping jaw, buckle or latch segment, and the installation of the body of being convenient for promotes the installation effectiveness.

In at least one embodiment, the identifier further comprises a support member, one end of the support member is fixed to the body or the base for supporting the body. Set up support piece on body or base, can further strengthen the stability of body or base, avoid under the condition of extreme weather, the condition such as slope appears in body or base.

In at least one embodiment, the body is one of a cylinder, an elliptical cylinder, or an arcuate plate. Set up the body into cylinder, oval cylinder or arc for the vehicle can obtain the information in the bar code from a plurality of different directions, has further promoted the efficiency that the vehicle obtained the information.

In at least one embodiment, the body is a cylinder or an elliptical cylinder, and the black bars of the bar code are annular bars around the central axis. The black bars of the bar code are arranged as annular bars so that the vehicle can photograph and recognize them from a plurality of directions to acquire information therein.

In at least one embodiment, the color of the barcode is any two of black, white, gray, red, green, blue, yellow, violet, cyan, near infrared, and far infrared. Setting the bar code to black and white is a common arrangement, but where it is ensured that the bar code can be identified, the colors in the bar code can also be set to other colors, for example, a blue and white arrangement, a black and red, black and yellow arrangement in the bar code.

In at least one embodiment, the marker is for mounting on a light pole or a utility pole. The marker is arranged on the light pole or the telegraph pole, so that the structure of the marker can be further simplified, rod-shaped structures on two sides of a road are combined, and the cost of the marker in the production and manufacturing process can be reduced.

The utility model provides a marker, through set up the cylinder on the body, further set up the bar code on the cylinder for the vehicle can just can read the bar code and acquire information in the position far away, and simultaneously, the bar code setting is on the cylinder, makes the vehicle can follow a plurality of different angles alright read information.

Drawings

Fig. 1 is a schematic perspective view of a marker in a first embodiment of the present application.

Fig. 2 is a schematic perspective view of the body shown in fig. 1, which is provided with a base and a pointing portion.

Fig. 3 is a schematic perspective view of the body with a support member on the basis of fig. 2.

Fig. 4 is a schematic perspective view of the body provided with the detecting member based on fig. 3.

Fig. 5 is a schematic perspective view of the body shown in fig. 1, on which a connecting member is provided.

Fig. 6 is a schematic perspective view of a marker in a second embodiment of the present application.

Fig. 7 is a schematic perspective view of a marker in a third embodiment of the present application.

Fig. 8 is a schematic perspective view of a marker in a fourth embodiment of the present application.

Fig. 9 is a schematic diagram of an application scenario of the identifier in the embodiment of the present application.

Description of the main elements

Identifier 100

Body 10

Cylindrical surface 11

Bar code 20

First part 21

Second part 22

Base 30

Directing part 31

Support member 40

Detecting member 50

Connecting piece 60

Arc plate 70

Vehicle 200

Detailed Description

The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. The terms "top," "bottom," "upper," "lower," "left," "right," "front," "rear," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

The embodiment of the application provides a marker for vehicle positioning, which comprises a body, the body includes the cylinder, be equipped with the bar code on the cylinder, the black strip interval of bar code sets up, and the plane at black strip place is perpendicular with the straight generating line of cylinder or is to be more than 0 angle crossing.

By adopting the marker for positioning the vehicle, the cylindrical surface is arranged on the body, and the bar code is further arranged on the cylindrical surface, so that the vehicle can read the bar code at a far position to acquire information, and meanwhile, the bar code is arranged on the cylindrical surface, so that the vehicle can read the information from a plurality of different angles.

Some embodiments will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1, a first embodiment of the present application will be described in conjunction with a vehicle in a vehicle, it being understood that in other embodiments, the vehicle may be replaced with a watercraft or the like. A marker 100 is provided, the marker 100 comprising a body 10, the body 10 comprising a cylindrical surface 11, the cylindrical surface 11 being provided with a bar code 20.

In one embodiment, the body 10 is a cylindrical structure, the surface of which is a cylindrical surface 11, and the bar code 20 is disposed along the axis of the body 10. The body 10 is cylindrical, and the bar code 20 is arranged on the body, so that the vehicle can photograph the bar code 20 from a plurality of different angles, and further, the information in the bar code 20 can be acquired. The diameter of the body 10 in a cylindrical structure ranges from 0.01 m to 10 m, and further, the diameter of the body 10 is 1 m. It is understood that in other embodiments, the diameter of the body 10 is not limited thereto, and may be replaced by, for example, 0.8 meter, 0.9 meter, 1.1 meter, 1.2 meter, etc.

In a preset range, the cylindrical marker 100 is arranged, so that the vehicle can shoot the marker from different angles, the number of the markers 100 can be further reduced, and the cost required in the preset range is reduced.

Referring to fig. 1, the barcode 20 includes a plurality of first portions 21 and a plurality of second portions 22, the plurality of first portions 21 and the plurality of second portions 22 are disposed at intervals along the cylindrical surface 11, and distances between adjacent first portions 21 and adjacent second portions 22 may be different, so as to express different information contents. The bar code 20 is arranged along the cylindrical surface 11, so that the bar code 20 with the complete length can be shot by a vehicle, and part of the bar code 20 is shot along the circumferential direction of the body 10, so that the information in the bar code 20 can be acquired, and the capability of the vehicle for acquiring the information in the bar code 20 is greatly improved.

A normal barcode 20 is generally formed by using black bars and white bars having different widths, and the black bars and the white bars are arranged according to a certain coding rule. The barcode 20 stores simple information content, and the vehicle further matches the information stored in other structures, such as a computing device or a positioning system, according to the information content in the barcode 20, so as to feed back to the vehicle. It will be appreciated that the positioning system may be a global positioning system or a base station and the computing device may be an electronic circuit computing module provided on the vehicle.

The computing device or the positioning system stores various information, for example, data such as longitude, latitude, cylinder radius, cylinder angle and the like of the setting position of the body 10, three-dimensional coordinate data, and further, the length of the bar code 20 are stored, so that the vehicle can be positioned quickly after acquiring the information, and the positioning accuracy is improved. In one embodiment, the first portion 21 is a black stripe, and the second portion 22 is a white stripe. The plane where the black bars are located is perpendicular to a straight generatrix of the cylindrical surface 11 or is intersected with the straight generatrix of the cylindrical surface 11 at an angle larger than 0 degree, wherein the cylindrical surface 11 is a curved surface formed by parallel movement of straight lines along a fixed curve, the moving straight line becomes the straight generatrix of the cylindrical surface 11, and the fixed curve becomes a collimation line of the cylindrical surface 11. The resulting cylinder becomes a cylindrical surface when the directrix is circular. The plane of the black bar is perpendicular to the straight generatrix of the cylindrical surface 11 or the two intersect at an angle greater than 0 °, so that the black bar is arranged along the circumferential direction of the cylindrical surface 11 and not along the direction of the straight generatrix, so as to facilitate the vehicle to recognize the information in the barcode 20. When the plane where the black bar is located is vertical, the vehicle can acquire the information in the bar code 20 conveniently, and when the black bar intersects with the straight bus at an angle larger than 0 degree, the vehicle can adjust the shooting condition of the black bar first, and acquire the information in the bar code 20 after the shooting condition is adjusted to the same angle as the angle kept by the black bar.

The black bars of the bar code 20 are annular bars around the axis, wherein the annular bars at the same height are symmetrically arranged along the plane of the axis. In one embodiment, the ratio of the distance of the whole bar code 20 to the radius of the body 10 in the shape of a cylinder along the central axis of the body 10 ranges from 0.1 to 100. The ratio of the sum of the distances of adjacent black and white bars in the bar code 20 to the radius of the cylindrical body 10 along the central axis of the body 10 ranges from 0.1 to 10. The ratio of the distance between the black bars and the white bars of the barcode 20 along the central axis of the body 10 ranges from 0.01 to 100. Preferably, the ratio of the brightness values of the black bars to the white bars of the barcode 20 ranges from 0.00000001 to 0.99. The parameters of the body 10 and the bar code 20 are set in this way, so that the vehicle can be more conveniently identified, and the practicability of the marker 100 is improved.

It will be appreciated that in other embodiments, the colors of the first and

second portions

21, 22 may be substituted. Further, the colors of the first portion 21 and the second portion 22 may be any common color such as black and white, or may be any two of black, white, gray, red, green, blue, yellow, violet, cyan, near-infrared, and far-infrared. Such as replacing the first portion 21 with blue or purple and the second portion 22 with a gray or yellow bar. Specifically, for example, the first portion 21 is a black stripe, the second portion 22 is a red stripe, or the first portion 21 is a black stripe, the second portion 22 is a yellow stripe, the first portion 21 is a blue stripe, and the second portion 22 is a yellow stripe. Further, the colors of the first portion 21 and the second portion 22 are not limited to these colors, and may be replaced with other colors to ensure that the barcode 20 can be recognized.

Preferably, the barcode 20 includes a special color for enabling the vehicle to be identified. Further, the bar code 20 supports infrared color, and the use of the infrared color enables the bar code 20 to be distinguished from external patterns, not easily confused with the external patterns, and easily recognized all the day.

Referring to fig. 2, in an embodiment, the identifier 100 further includes a base 30, the base 30 is disposed on the body 10, and the body 10 is fixed by the base 30. Preferably, the base 30 is a mounting block. When the body 10 is disposed on both sides of a road, the base 30 may be embedded into the road, and the base 30 may be fixed by a structure such as a long screw, so that the body 10 is fixed, and the body 10 may be prevented from being damaged when embedded into the road.

It is understood that in other embodiments, the base 30 is not limited to the mounting block described above, and other structures with equivalent functions or effects may be substituted.

In one embodiment, the identifier 100 may also be mounted directly by means of a structure disposed on the road side. For example, the marker 100 may be installed on a light pole, a utility pole, a road sign pole, etc. on both sides of a road, so as to improve the convenience of installing the marker 100.

Referring to fig. 2, in an embodiment, the base 30 is provided with a pointing portion 31, and the pointing portion 31 is used for guiding a fixing direction of the body 10. Preferably, the directing portion 31 is substantially in a triangular structure, the triangular structure is perpendicular to the direction of the axis L of the body 10, when the body 10 is in another structure with the cylindrical surface 11, the directing portion 31 corresponds to the cylindrical surface 11, and the directing portion 31 indicates the road surface on which the vehicle runs, so that the cylindrical surface 11 faces the road surface on which the vehicle runs. Through setting up direction portion 31, it is easier respectively orientation when body 10 is equipped with cylinder 11 has promoted the installation effectiveness of body 10.

Referring to fig. 3, in an embodiment, the identifier 100 further includes a supporting member 40, and one end of the supporting member 40 is fixed on the body 10 or the base 30 and is used for supporting the body 10 or the base 30. Preferably, the supporting member 40 is a reinforcing rib, one end of which is fixed on the body 10 or the base 30, and the other end of which is fixed in the road, so as to support the body 10 or the base 30 and increase the stability of the body 10 or the base 30. The situation that under the condition of extreme weather, such as typhoon, rainstorm and the like, the body 10 inclines, falls down and the like is avoided, and the vehicle acquisition information is influenced, so that the positioning of the vehicle is influenced.

It will be appreciated that in other embodiments, the support member 40 may be replaced by other structures having equivalent functions or functions, such as a support rod. When the base 30 is disposed on the body 10, one end of the supporting member 40 may be fixed to the base 30.

Referring to fig. 4, in an embodiment, the identifier 100 further includes a detecting element 50, and the detecting element 50 is disposed on the body 10 and is used for detecting whether the body 10 is toppled. Preferably, the detecting member 50 may be provided at a top end of the body 10 so as to more easily detect the falling of the body 10. In one embodiment, the detecting member 50 is an angle sensor, and the angle sensor is disposed on the main body 10, so as to detect the change between the original position of the main body 10 and the angle after the main body 10 is tilted, and detect whether the main body 10 is tilted. When the body 10 is toppled, the toppling condition can be reported through the detection piece 50 in combination with a vehicle, so that a subsequent operator can perform maintenance as soon as possible.

Referring to fig. 5, in an embodiment, the marker 100 further includes a connecting member 60, and the connecting member 60 is disposed on the body 10 and is used for enabling the body 10 to be suspended from an external structure. By arranging the connecting member 60 such that the body 10 is suspended in the air, it is convenient for a vehicle to read the barcode 20 on the body 10 at a predetermined distance or when passing by.

Preferably, the connector 60 is one of a magnetically attracted jaw, a snap or a locking block. The connecting piece 60 is set as one of a magnetic clamping jaw, a buckle or a locking block, so that the body 10 can be conveniently installed, and the installation efficiency is improved. For example, when a light pole is provided on both sides of a road, the body 10 can be fixed to the light pole by the connector 60.

Further, when the suspended body 10 is inclined, the vehicle can recognize the orientation of the body 10 and then recognize the barcode 20.

Preferably, in order to avoid the suspended body 10 from tilting, the body 10 may be supported by a support member 40, so as to achieve the effect of fixing the body 10, thereby facilitating the vehicle to better photograph the barcode 20.

It will be appreciated that in other embodiments, the suspended configuration of the body 10 is not limited thereto, and the body 10 may be secured to a side wall of a tunnel by the connector 60 when the marker 100 is disposed in the tunnel. Preferably, the body 10 is vertically provided at a middle position of a sidewall of the tunnel or a top of the tunnel through the connection member 60. Further, when the body 10 is disposed at the upper end of the side wall of the tunnel, a certain included angle may exist between the body 10 and the side wall, so that the body 10 is inclined toward the vehicle. Alternatively, the body 10 may be horizontally disposed on a top wall of the tunnel, and the disposed direction is substantially perpendicular to a road direction on which the vehicle travels, so that the vehicle can photograph the barcode 20, and thus, the space occupied by the body 10 when the body is suspended on the top wall of the tunnel can be reduced.

Referring to fig. 6, a second embodiment of the present application provides a marker 100, the structure of the marker 100 is substantially the same as that of the marker 100 in the first embodiment, except that the body 10 of the marker 100 in the second embodiment is an arc-shaped plate 70. The surface of the arc-shaped plate 70 close to the road on which the vehicle runs is a cylindrical surface 11, and the bar code 20 is arranged on the cylindrical surface 11.

The body 10 is provided as an arc-shaped plate 70, which can further simplify the structure of the body 10 and further save the cost for manufacturing the marker 100. The curved plate 70 configuration also enables the vehicle to acquire information from the bar code 20 from a number of different angles to achieve vehicle positioning.

Referring to fig. 7, a third embodiment of the present application provides a marker 100, the structure of the marker 100 is substantially the same as that of the marker 100 in the first embodiment, except that the body 10 of the marker 100 in the third embodiment has an oval structure. The body 10 of the oval structure is provided with the bar code 20.

The body 10 is provided with an oval structure, so that the area of the body 10 is larger, the shooting of the vehicle is more convenient, and the barcode 20 can be shot by the vehicle at a longer distance from the marker 100.

Referring to fig. 8, a fourth embodiment of the present application provides a marker 100, the structure of the marker 100 is substantially the same as that of the marker 100 in the first embodiment, except that the body 10 of the marker 100 in the fourth embodiment is a rectangular body, an arc-shaped plate 70 is disposed on the surface of the rectangular body close to the vehicle, the cylindrical surface 11 of the surface of the arc-shaped plate 70 is disposed on the cylindrical surface 11, and the barcode 20 is disposed on the cylindrical surface 11.

With the marker 100 of this structure, the arc-shaped plate 70 is more stable, and the vehicle can photograph the barcode 20 thereof to acquire information.

Referring to fig. 9, fig. 9 illustrates the markers 100 disposed on both sides of the road on which the vehicle 200 travels. Specifically, the dotted line region in the figure is a region where the vehicle 200 can photograph. By arranging the bar code 20 on the cylindrical surface 11, the vehicle 200 can shoot the marker 100 when located at different positions, so that after the information on the marker 100 is acquired, the positioning can be performed more accurately. The vehicle 200 can be located according to the setting of the marker 100 even in case the location system signal is weak.

In summary, the marker 100 provided in the embodiment of the present application can further improve the accuracy of positioning the vehicle 200, and still obtain the information in the barcode 20 by shooting from multiple angles, thereby improving the convenience of obtaining the information by the vehicle 200. Moreover, the setting of the marker 100 can be reduced, and the cost can be reduced.

In addition, those skilled in the art should realize that the above embodiments are illustrative only and not limiting to the present application, and that suitable changes and modifications to the above embodiments are within the scope of the disclosure of the present application as long as they are within the true spirit and scope of the present application.

Claims

1. A marker, comprising a body, wherein,

the body comprises a cylindrical surface;

the cylindrical surface is provided with bar codes, black bars of the bar codes are arranged at intervals, and the plane where the black bars are located is perpendicular to a straight bus of the cylindrical surface or is intersected with the straight bus of the cylindrical surface at an angle larger than 0 degree.

2. The marker according to claim 1, further comprising a base disposed on said body, said body being secured by said base.

3. The marker according to claim 2, wherein said base is provided with a pointing portion for guiding a fixing direction of said body.

4. The marker according to claim 1, further comprising a connecting member disposed on said body for suspending said body.

5. The marker according to claim 4, wherein said connector is one of a magnetically attracted jaw, a snap, or a locking block.

6. The marker according to claim 2, further comprising a support member having one end secured to said body or said base for supporting said body.

7. The marker according to claim 1, wherein said body is one of a cylinder, an elliptical cylinder, or an arcuate plate.

8. The identifier according to claim 1, wherein said body is a cylindrical or elliptical cylinder, and wherein said black bars of said bar code are annular bars surrounding a central axis.

9. The marker according to claim 1, wherein said barcode is any two of black, white, gray, red, green, blue, yellow, violet, cyan, near infrared, and far infrared in color.

10. The marker according to claim 1, wherein said marker is adapted to be mounted on a light pole or a utility pole.