CN219575916U - Unmanned vehicle's antenna and have vehicle of antenna - Google Patents

Abstract

The utility model relates to the technical field of unmanned automobile spare and accessory parts, in particular to an antenna of an unmanned automobile and an automobile with the antenna. The unmanned aerial vehicle antenna comprises an antenna body, a top cover and a base, wherein a containing cavity is formed in the inside of the antenna body after the top cover and the base are covered, and the antenna body is arranged in the containing cavity; the base is close to one side of the top cover and circumferentially extends out of the expansion part, the expansion part is abutted to the upper surface of the vehicle roof, one side, away from the top cover, of the base is arranged in the vehicle roof groove, and the base is matched with the vehicle roof groove. The utility model solves the problems of increased vehicle volume and lower integration of the antenna and the vehicle interior caused by externally hanging and installing the antenna of the existing unmanned vehicle by arranging the base of the antenna of the unmanned vehicle in the vehicle roof groove in a hidden manner.

Description

Unmanned vehicle's antenna and have vehicle of antenna

Technical Field

The utility model relates to the technical field of unmanned automobile spare and accessory parts, in particular to an antenna of an unmanned automobile and an automobile with the antenna.

Background

The automatic driving refers to a technology for enabling an automobile to have environment perception and path planning and automatically realize vehicle control, namely, the automobile is controlled by an electronic technology to perform humanoid driving or automatic driving, the automatic driving technology is divided into L0-L5 according to the control degree of a system on a vehicle control task, and when the automatic driving technology of the unmanned automobile reaches the L4 level, the automatic driving technology is matched with an antenna detection signal and a star searching function, so that the driving of the automobile can be completely finished by the system in a specific scene.

The existing L4-level unmanned aerial vehicle adopts an antenna mounting mode which is mostly externally hung, because the volume of an externally hung mounting antenna in the prior art is larger, the antenna is externally hung on the unmanned aerial vehicle, the volume of the unmanned aerial vehicle can be greatly increased, the attractiveness is affected, the externally hung mounting antenna and the structure of the vehicle are mutually independent, the integrated level of the externally hung mounting antenna and the structure of the vehicle after being mounted is lower, the mutual connectivity is poor, and meanwhile, the problem that vibration of the vehicle in running and influence of external environment on the antenna are not considered exists in the externally hung mounting mode.

In order to improve the connectivity of the antenna and the vehicle and reduce the influence of external environment, the prior art integrates a plurality of sensors with the antenna body, reduces the volume of the external antenna, and is arranged on the roof of the vehicle, although the volume of the external antenna is reduced to a certain extent, the influence of the external environment on the antenna is reduced, but the problems that the matching degree of the antenna and the vehicle is not high and each sensor is easy to interfere with the antenna detection signal after the sensors are integrated with the antenna body still exist.

Disclosure of Invention

In view of the above-mentioned shortcomings in the prior art, an object of the present utility model is to provide an antenna for an unmanned vehicle and a vehicle having the antenna, which solve the problems of increased vehicle volume and lower matching degree between the antenna and the vehicle itself caused by externally mounting the antenna of the existing unmanned vehicle by mounting the base of the antenna of the unmanned vehicle in a hidden manner in a roof groove.

The utility model adopts the following technical scheme: the antenna of the unmanned vehicle comprises an antenna body, a top cover and a base, wherein a containing cavity is formed in the top cover and the base after being covered, and the antenna body is arranged in the containing cavity;

the base is close to one side of the top cover and circumferentially extends out of the expansion part, the expansion part is abutted to the upper surface of the vehicle roof, one side, away from the top cover, of the base is arranged in the vehicle roof groove, and the base is matched with the vehicle roof groove.

Further, the inner cavity of the base is in an annular step shape, and the inner diameter of the annular step-shaped inner cavity is increased from the bottom of the base to the direction of the expansion part;

the annular ladder-shaped inner cavity is sequentially provided with a first ladder surface and a second ladder surface along the vertical direction, the first ladder surface is close to the bottom of the base, and the second ladder surface is close to the expansion part of the base; an annular connecting surface is arranged between the first step surface and the second step surface, and the distance between two ends of the annular connecting surface is the clearance width B1 and the distance between two ends of the annular connecting surface are 100-105 mm in the longitudinal direction of the inner cavity of the base;

the antenna body is fixedly arranged on the first step surface, a first clearance height H1 is arranged between the bottom of the antenna body and the inner surface of the bottom of the base, and the first clearance height H1 is 15-25 mm;

a second clearance height H2 is arranged between the first step surface and the upper surface of the expansion part, and the second clearance height H2 is 8-15 mm;

the bottom of the base is provided with a thickness T1, and the thickness T1 is 2.5-5 mm.

Further, the peripheral end face of the expansion part is set to be a first inclined plane, the bottom and the top of the expansion part are connected through the first inclined plane, the first inclined plane is inclined from the bottom of the expansion part to the top of the expansion part, the inner cavity of the expansion part is gradually close to the base, and the inclination angle of the first inclined plane relative to the vertical direction is 5-10 degrees.

Further, the top cover comprises a shell and a bending part which is arranged around the peripheral edge of the top cover, the bending part covers the outer side of the first inclined plane, a gap is formed between the inner side surface of the bending part and the first inclined plane, and the gap is 1-2.5 mm.

Further, a second inclined plane is arranged on one side wall of the base, the second inclined plane is connected with the bottom of the base and the side wall of the base, the second inclined plane is inclined from the side wall of the base to the bottom of the base and gradually approaches to the inner cavity of the base, and the inclination angle of the second inclined plane relative to the vertical direction is 30-45 degrees.

Further, a wire outlet hole is formed in one side, opposite to the second inclined plane, of the base, and the distance between the end part, far away from the antenna, of the wire outlet hole and the outer end of the expansion part is 8-10 mm in the extending direction of the wire outlet hole;

the antenna body is provided with a connecting pipe, and the connecting pipe is correspondingly arranged with the connecting hole.

Further, an annular sealing groove is formed in the expansion part, the annular sealing groove is arranged on the contact surface of the expansion part and the vehicle roof, and the depth of the annular sealing groove is 1-1.5 mm; the expansion part is provided with a base mounting hole and a top cover mounting hole, a sealing ring is correspondingly arranged between the base mounting hole and the vehicle roof, and a sealing gasket is arranged between the top cover and the base.

Further, a decorative plate is arranged at the top of the top cover, a gap is formed between the decorative plate and the surface, close to the top cover, of the top cover, and the gap is 0.5-1 mm.

Further, the surface of one side of the base far away from the top cover is provided with an azimuth mark.

Another aspect of the present utility model provides a vehicle provided with the above-mentioned unmanned vehicle antenna, wherein a roof of the vehicle is provided with a groove, and the antenna is mounted in the groove.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the antenna of the unmanned vehicle, the base of the antenna of the unmanned vehicle is arranged in the groove of the roof, so that the volume of the antenna of the unmanned vehicle protruding out of a vehicle part is effectively reduced, the matching degree of the antenna of the unmanned vehicle and the unmanned vehicle is correspondingly improved, the section height of the antenna after the top cover and the base are covered is only about 45mm, the height of the contact surface between the top cover and the top of the vehicle is only about 20mm, and the volume of the antenna of the unmanned vehicle and the volume protruding out of the vehicle part are greatly reduced;

2. through the optimal design, the parameters in the accommodating cavity are set in an optimal range, so that the influence of other sensors in the unmanned vehicle on detection signals of the antenna main body is reduced, and the thickness T1 at the bottom of the base is set to be 2.5-5 mm, so that the interference of signals of other sensors can be effectively attenuated, and the normal outward signal transmission of the antenna main body in the base is ensured; the longitudinal clearance width B1 is set at 100-105 mm, the first clearance height H1 is set at 15-25 mm, and the second clearance height H2 is set at 8-15 mm, so that limited space in the accommodating cavity can be utilized to the greatest extent, signal interference is further reduced, and effective detection of the antenna is ensured.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the overall structure of an antenna of an unmanned vehicle of the present utility model;

FIG. 2 is an exploded view of the structure of an antenna of the unmanned vehicle of the present utility model;

FIG. 3 is a schematic cross-sectional view of an unmanned vehicle of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3A;

FIG. 5 is a top view of a base portion of an antenna of the unmanned vehicle of the present utility model;

FIG. 6 is a top view of the overall structure of an antenna of the unmanned vehicle of the present utility model;

fig. 7 is a bottom view of the overall structure of an antenna of an unmanned vehicle of the present utility model.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				1	Antenna body	305	Wire outlet hole
2	Top cover	306	Direction identification
				201	Shell body	4	Accommodating chamber
202	Bending part	5	Expansion part
				203	Decorative board	501	First inclined plane
3	Base seat	502	Annular seal groove
				301	A first step surface	503	Base mounting hole
302	Second step surface	504	Top cover mounting hole
				303	Annular connecting surface	505	Sealing ring
304	Second inclined plane	506	Sealing gasket

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements to be referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; furthermore, unless specifically stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly so that one of ordinary skill in the art would understand the meaning of the terms described above in a specific fashion within the present utility model.

As shown in fig. 1-7, in one aspect, the present utility model provides an antenna for an unmanned vehicle, where the antenna for an unmanned vehicle includes an antenna body 1, a top cover 2 and a base 3, and a receiving cavity 4 is formed inside the top cover 2 and the base 3 after being covered, and the antenna body 1 is installed in the receiving cavity 4;

the base 3 is close to one side of the top cover 2, an expansion part 5 extends out circumferentially, the expansion part 5 is abutted to the upper surface of the vehicle roof, one side, away from the top cover 2, of the base 3 is arranged in a vehicle roof groove, and the base 3 is matched with the vehicle roof groove.

Further, as shown in fig. 3, the inner cavity of the base 3 is in an annular step shape, and the inner diameter of the annular step-shaped inner cavity increases from the bottom of the base 3 to the direction of the expansion part 5;

the annular stepped inner cavity is sequentially provided with a first step surface 301 and a second step surface 302 along the vertical direction, the first step surface 301 is close to the bottom of the base 3, and the second step surface 302 is close to the expansion part 5 of the base 3; an annular connecting surface 303 is arranged between the first step surface 301 and the second step surface 302, and the distance between two ends of the annular connecting surface 303 is 100-105 mm in the longitudinal direction of the inner cavity of the base 3, wherein the distance between two ends of the annular connecting surface 303 is the clearance width B1;

the antenna body 1 is fixedly arranged on the first step surface 301, a first clearance height H1 is arranged between the bottom of the antenna body 1 and the inner surface of the bottom of the base 3, and the first clearance height H1 is 15-25 mm;

a second clearance height H2 is arranged between the first step surface 301 and the upper surface of the expansion part 5, and the second clearance height H2 is 8-15 mm;

the bottom of the base 3 is provided with a thickness T1, and the thickness T1 is 2.5-5 mm.

Through design analysis, the parameters in the accommodating cavity 4 are set in an optimal range, so that the influence of other sensors in the unmanned vehicle on detection signals of the antenna main body 1 is reduced, for example, electromagnetic waves emitted by other electronic and electric equipment possibly exist in the same wave band as the frequency spectrum of the antenna, the antenna is required to be isolated by using a metal shell, and the thickness T1 at the bottom of the base is set to be 2.5-5 mm, so that the influence of other interference sources on the vehicle on the antenna can be effectively shielded;

the longitudinal clearance width B1 is set at 100-105 mm, the first clearance height H1 is set at 15-25 mm, and the second clearance height H2 is set at 8-15 mm, so that limited space in the accommodating cavity 4 can be utilized to the greatest extent, interference on signals received by the antenna is further reduced, and the antenna can timely receive satellite signals of a GNSS system.

Further, a second inclined plane 304 is disposed on a side wall of the base 3, the second inclined plane 304 connects the bottom of the base 3 with the side wall of the base 3, the second inclined plane 304 is inclined from the side wall of the base 3 to the bottom of the base 3 gradually near the inner cavity of the base 3, and the inclination angle of the second inclined plane 304 with respect to the vertical direction is 30-45 °.

Since the base 3 of the unmanned aerial vehicle antenna of the utility model is built in the groove of the roof, in order to avoid suspending and installing the unmanned aerial vehicle antenna on the interior trim part of the roof, the side wall of the base 3 is provided with the second inclined plane 304, and the inclination angle of the second inclined plane 304 relative to the vertical direction is between 30 and 45 degrees.

Further, as shown in fig. 4, the peripheral end surface of the expansion portion 5 is set as a first inclined surface 501, the first inclined surface 501 connects the bottom and the top of the expansion portion 5, the first inclined surface 501 gradually approaches the inner cavity of the base 3 from the bottom to the top of the expansion portion 5, and the inclination angle of the first inclined surface 501 with respect to the vertical direction is 5-10 °.

Further, the top cover 2 includes a housing 201 and a bending portion 202 surrounding the circumferential edge of the top cover 2, the bending portion 202 covers the outer side of the first inclined plane 501, and a gap is formed between the inner side surface of the bending portion 202 and the first inclined plane 501, and the gap is 1-2.5 mm.

Through setting the range of the inclination angle of the first inclined plane 501 relative to the vertical direction between 5-10 degrees, and setting the clearance range between the inner side surface of the bending part 202 and the first inclined plane 501 between 1-2.5 mm, on one hand, foreign object invasion can be effectively reduced, the inner area of the top cover 2 is protected from the interference of the outside, and on the other hand, the integrated installation of the top cover 2 and the base 3 is facilitated. L (L)

Further, as shown in fig. 5, a wire hole 305 is provided on the base 3 on a side opposite to the second inclined surface 304, and a distance between an end of the wire hole 305 far from the antenna and an outer end of the extension portion 5 is 8-10 mm in an extending direction of the wire hole 305.

The wire outlet hole 305 is arranged at the opposite side of the second inclined plane 304, and the distance between the end part of the wire outlet hole 305 far away from the antenna and the outer end of the expansion part 5 is 8-10 mm, so that the antenna main body can conveniently outlet wires from the antenna connection port; the connecting pipe is arranged on the antenna body 1, the connecting pipe and the connecting hole are correspondingly arranged, and the connecting wire of the antenna body is routed in the connecting pipe, so that the tightness of the area of the wire outlet hole 305 is ensured.

Further, an annular sealing groove 502 is arranged on the expansion part 5, the annular sealing groove 502 is arranged on the contact surface between the expansion part 5 and the vehicle roof, and the depth of the annular sealing groove 502 is 1-1.5 mm;

and a specific sealant is applied in the annular sealing groove 502, the depth of the sealing groove is set between 1 and 1.5mm, the expansion part 5 and the upper surface of the vehicle roof are ensured to be more adhered and fixed, and the sealing effect is effectively improved.

The expansion part 5 is provided with a base mounting hole 503 and a top cover mounting hole 504, a sealing ring 505 is correspondingly arranged between the base mounting hole 503 and the roof, specifically, in this embodiment, the base mounting hole 503 is provided with three, the circle centers of the three base mounting holes 503 are mutually connected, and the distribution position on the plane is triangle; the top cover mounting holes 504 are provided with three, the circle centers of the three top cover mounting holes 504 are mutually connected, the distribution positions on the plane are also triangular, and the stability and the reliability of the mounting structure are effectively ensured by the distribution design of the base mounting holes 503 and the top cover mounting holes 504.

The sealing gasket 506 is arranged between the top cover 2 and the base 3, the size and the material of the sealing gasket 506 can be changed according to practical situations, preferably, the shape of the sealing gasket 506 arranged in the embodiment is the same as that of the upper surface of the expansion part 5, and special flexible materials are adopted, so that the effects of sealing and damping can be realized at the same time, and the interference of external vibration to an antenna is reduced.

Further, as shown in fig. 6, a decorative plate 203 is provided on the top of the top cover 2, and a gap is provided between the decorative plate 203 and the surface of the top cover 2, which is close to each other, and the gap is 0.5-1 mm.

The decorative plate 203 can be directly embedded into the corresponding position of the top cover 2 to realize perfect combination, and a gap between the decorative plate 203 and the surface of the top cover 2, which is close to each other, is set between 0.5 mm and 1mm to realize hole site shielding of the top cover mounting hole 504, and accordingly, the appearance attractiveness of the top cover 2 is improved.

Further, as shown in fig. 7, the surface of the base 3 on the side away from the top cover 2 is provided with an azimuth mark 306.

Since the interior of the unmanned vehicle is equipped with a plurality of antenna devices at the same time, for effective distinction, a bearing mark 306 is arranged on the surface of one side of the base 3 far from the top cover 2, the bearing mark 306 is used for distinguishing front, back, left and right, etc., specifically, in the embodiment, the bearing mark 306 adopts a character "L" to indicate that the unmanned vehicle is positioned on the left side, and correspondingly, the bearing mark 306 adopts a character "R" to indicate that the unmanned vehicle is positioned on the right side; if other orientations are involved, the orientation identification 306 may be coded according to agreed rules.

Another aspect of the present utility model provides a vehicle with an antenna of an unmanned vehicle, wherein a roof of the vehicle is provided with a groove, the antenna is mounted in the groove, a base 3 of the antenna is adapted to the groove of the roof, and the integration of the antenna and the vehicle is improved through the arrangement of the antenna in the groove.

According to the antenna of the unmanned vehicle, the base 3 of the antenna of the unmanned vehicle is arranged in the groove of the roof, so that the protruding amount of the antenna of the unmanned vehicle is effectively reduced, the integration level of the antenna of the unmanned vehicle and the unmanned vehicle is correspondingly improved, meanwhile, the section height of the top cover 2 and the base 3 of the antenna of the unmanned vehicle after being covered is only about 45mm, the height of the contact surface of the top cover 2 on the top of the vehicle is only about 20mm, and the volume of the antenna of the unmanned vehicle is greatly reduced;

the top cover 2 and the base 3 are covered to form the accommodating cavity 4, the antenna body 1 is installed in the accommodating cavity 4, and the optimal data range obtained by design analysis is adopted for the value range of each parameter in the accommodating cavity 4, so that the installation structure can furthest utilize the limited space in the accommodating cavity 4, and the detection range of the antenna body is furthest exerted, and meanwhile, the interference suffered by the antenna body is reduced to the minimum, and the effective detection of the antenna is ensured.

Under the condition of comprehensively considering the same design factors, the antenna of the unmanned vehicle has the advantages of simple structure and relatively low design difficulty, and can effectively reduce the design cost, the production and manufacturing cost and the maintenance cost.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims, unless otherwise indicated, and that any structural modifications, proportional changes, or dimensional adjustments, which would otherwise be apparent to those skilled in the art, would be made without departing from the spirit and scope of the utility model.

Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model.

Claims (10)

1. The antenna of the unmanned vehicle is characterized by comprising an antenna body (1), a top cover (2) and a base (3), wherein a containing cavity (4) is formed inside the antenna body (1) after the top cover (2) and the base (3) are covered, and the antenna body (1) is arranged in the containing cavity (4);

the base (3) is close to one side of the top cover (2) and circumferentially extends out of the expansion part (5), the expansion part (5) is abutted to the upper surface of the vehicle roof, one side, away from the top cover (2), of the base (3) is arranged in the vehicle roof groove, and the base (3) is matched with the vehicle roof groove.

2. An antenna for an unmanned vehicle according to claim 1, wherein the inner cavity of the base (3) is annular stepped, the inner diameter of the annular stepped inner cavity increasing from the bottom of the base (3) towards the expansion (5);

the annular ladder-shaped inner cavity is sequentially provided with a first ladder surface (301) and a second ladder surface (302) along the vertical direction, the first ladder surface (301) is close to the bottom of the base (3), and the second ladder surface (302) is close to the expansion part (5) of the base (3); an annular connecting surface (303) is arranged between the first step surface (301) and the second step surface (302), and the distance between two ends of the annular connecting surface (303) is 100-105 mm in the longitudinal direction of the inner cavity of the base (3);

the antenna body (1) is fixedly arranged on the first step surface (301), a first clearance height H1 is arranged between the bottom of the antenna body (1) and the inner surface of the bottom of the base (3), and the first clearance height H1 is 15-25 mm;

a second clearance height H2 is arranged between the first step surface (301) and the upper surface of the expansion part (5), and the second clearance height H2 is 8-15 mm;

the bottom of the base (3) is provided with a thickness T1, and the thickness T1 is 2.5-5 mm.

3. An antenna of an unmanned vehicle according to claim 1, wherein the outer peripheral end surface of the extension part (5) is provided with a first inclined surface (501), the first inclined surface (501) connects the bottom and the top of the extension part (5), the first inclined surface (501) is inclined from the bottom of the extension part (5) to the top gradually approaching the inner cavity of the base (3), and the inclination angle of the first inclined surface (501) relative to the vertical direction is 5-10 °.

4. An antenna for an unmanned vehicle according to claim 3, wherein the top cover (2) comprises a housing (201) and a bending part (202) surrounding the peripheral edge of the top cover (2), the bending part (202) covers the outer side of the first inclined surface (501), and the inner side surface of the bending part (202) and the first inclined surface (501) have a gap, and the gap is 1-2.5 mm.

5. An antenna for an unmanned vehicle according to claim 1, wherein a second inclined plane (304) is provided on a side wall of the base (3), the second inclined plane (304) connects the bottom of the base (3) and the side wall of the base (3), the second inclined plane (304) is inclined from the side wall of the base (3) to the bottom of the base (3) gradually near the inner cavity of the base (3), and the inclination angle of the second inclined plane (304) with respect to the vertical direction is 30-45 °.

6. An antenna for an unmanned vehicle according to claim 5, wherein a wire hole (305) is provided in the base (3) on the side opposite to the second inclined surface (304), and the distance between the end of the wire hole (305) away from the antenna and the outer end of the extension part (5) is 8-10 mm in the extending direction of the wire hole (305).

7. The antenna of the unmanned vehicle according to claim 1, wherein the expansion part (5) is provided with an annular sealing groove (502), the annular sealing groove (502) is arranged on the contact surface between the expansion part (5) and the roof, and the depth of the annular sealing groove (502) is 1-1.5 mm; the expansion part (5) is provided with a base mounting hole (503) and a top cover mounting hole (504), a sealing ring (505) is correspondingly arranged between the base mounting hole (503) and the vehicle roof, and a sealing gasket (506) is arranged between the top cover (2) and the base (3).

8. An antenna for an unmanned vehicle according to claim 1, wherein the roof (2) has a decorative plate (203) on top thereof, the decorative plate (203) and the roof (2) being in close proximity to each other with a gap between them, the gap being 0.5-1 mm.

9. An antenna for an unmanned vehicle according to claim 1, wherein the surface of the base (3) on the side remote from the roof (2) is provided with an azimuth mark (306).

10. A vehicle having an antenna for an unmanned vehicle as claimed in any one of claims 1 to 9, wherein the roof of the vehicle is provided with a recess in which the antenna is mounted.