CN217112721U

CN217112721U - Vehicle-mounted laser radar detection system and automobile

Info

Publication number: CN217112721U
Application number: CN202220479406.2U
Authority: CN
Inventors: 李军勇; 吴少华; 商娜
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-08-02
Anticipated expiration: 2032-03-07

Abstract

The utility model provides an on-vehicle laser radar detection system and car, on-vehicle laser radar detection system is including setting up leading detection device, rearmounted detection device, left side detection device, right side detection device and the laser radar module on the automobile body, the laser radar module is fixed on the top front beam of automobile body, wherein, the laser radar module includes: the base is fixed in the mounting groove on the top front cross beam; the top cover is fixed on the base and extends out of the mounting groove, and a cavity is formed between the top cover and the base; the laser radar detection device is arranged in the containing cavity. Vehicle-mounted laser radar detection system, reduced laser radar module set up the height, rational in infrastructure, it is convenient, stable to connect, improves the precision that vehicle-mounted laser radar detection system detected.

Description

Vehicle-mounted laser radar detection system and automobile

Technical Field

The utility model relates to an automotive electronics technical field, in particular to on-vehicle laser radar detection system and car.

Background

With the progress of science and technology, various vehicle control systems gradually develop in a self-adaptive direction and become more intelligent. For example, in an ACC system (adaptive radar cruise control system) that is currently widely used, a running environment of a vehicle is detected by providing an automotive radar.

Automotive radars, as the name implies, are radars for automobiles or other ground-based motor vehicles. It therefore comprises various radars based on different technologies (e.g. laser, ultrasound, microwave), with different functions (e.g. finding obstacles, predicting collisions, adaptive cruise control) and using different operating principles (e.g. pulse radar, FMCW radar, microwave impact radar).

The laser radar sensor is a key sensing part of an intelligent driving automobile, the detection precision is high, and the range is wider compared with other sensors. However, the conventional laser radar sensor is generally large in size, and in order to fully exert the detection range, the conventional laser radar sensor needs to be elevated on the top or the side of the vehicle, so that the overall aesthetic degree of the intelligent vehicle is influenced, and the detection precision is influenced by the vibration of a support. The laser radar is generally high in value, which reaches tens of thousands yuan, and if the laser radar is only arranged on the top or the side of the vehicle in a high position, the problems that the laser radar is stolen and the like are easily caused, so that great economic loss is brought to vehicle owners.

In addition, the lidar sensor mounted outside the vehicle is also susceptible to damage caused by external impacts. Moreover, when the existing laser radar sensor is delivered from a factory, the measurement angle and the measurement range of the existing laser radar sensor are already determined, and a vehicle designer can only install the existing laser radar sensor according to the existing range, so that the flexibility is poor.

In addition, when laser radar was in chilly environment winter, the problem of frosting appeared easily in laser radar's mirror surface for laser radar can not normally work, causes the damage to laser radar, and current laser radar lacks protect function.

Based on this, this application proposes on-vehicle laser radar detecting system and car specially.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an on-vehicle laser radar detecting system and car to solve among the prior art laser radar module installation department and expose the easy problem of stealing that arouses, and improve the precision that laser radar module detected.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides an on-vehicle laser radar detection system, is including setting up leading detection device, rearmounted detection device, left side detection device, right side detection device and the laser radar module on the automobile body, the laser radar module is fixed on the top front beam of automobile body, wherein, the laser radar module includes:

the base is fixed in the mounting groove on the top front cross beam;

the top cover is fixed on the base and extends out of the mounting groove, and a cavity is formed between the top cover and the base;

the laser radar detection device is arranged in the containing cavity.

Further, the base includes:

the bottom plate is used for fixing the laser radar detection device;

the first connecting wall is arranged in the circumferential direction of the bottom plate, and a second connecting hole is formed in the first connecting wall and used for connecting the base with the top front cross beam through a bolt;

the second connecting wall is arranged above the first connecting wall, a third connecting hole is formed in the second connecting wall, and the third connecting hole is used for detachably connecting the base and the top cover.

Further, the top cover includes:

the cover plate is arranged in an arc shape from front to back;

the supporting plate is arranged at the lower end of the cover plate;

the two first side walls are arranged on two sides of the cover plate, and first connecting holes are formed in the first side walls;

the first turning plate is arranged at the end part of the inner side of the supporting plate and is arranged downwards.

Further, a vibration damping device is arranged between the base and the laser radar detection device.

Furthermore, the laser radar modules are arranged in two, the laser radar modules are respectively arranged in two mounting grooves of the top front cross beam close to the two ends.

Further, every the contained angle of the detection sector area of laser radar module is alpha, two the detection outside of laser radar module stretches out respectively the left side tip or the right side tip of automobile body, two the sector area contained angle that the inboard cross overlap of detection of laser radar module is beta, and wherein beta is less than or equal to alpha.

Further, a cross-overlapping area inside the laser radar module is right in front of the vehicle body, and β ═ α.

Furthermore, the left side detection device and the right side detection device comprise any one or more detection modules of a laser detection module, a camera detection module and an infrared detection module, and the left side detection device and the right side detection device are arranged on a vehicle door handle and/or a rearview mirror.

Furthermore, the front detection device comprises a camera detection device and an infrared detection device, and the camera detection device is arranged above the infrared detection device.

Compared with the prior art, on-vehicle laser radar detecting system have following advantage:

(1) on-vehicle laser radar detecting system, stretch into through the base structure with laser radar detection device inside perhaps the automobile body in the mounting groove on the top front beam, reduced laser radar module set up the height, guarantee on-vehicle laser radar detection's reliability, avoid laser radar module to lose simultaneously.

(2) Vehicle-mounted laser radar detection system, rational in infrastructure, it is convenient, stable to connect, has improved the whole aesthetic property of vehicle after the vehicle-mounted laser radar installation simultaneously, can effectively reduce laser radar detection device's mounting height simultaneously, avoids causing the interference with other structures when using.

(3) Vehicle-mounted laser radar detection system, set up a vibration damper through the below at laser radar detection device, prevent that laser radar detection device hard contact from connecting when vibration or rocking, arouse and detect distortion or device and damage the scheduling problem, should set up the reliability of having guaranteed the stability and the use that laser radar module connects.

Another object of the utility model is to disclose an automobile, especially contain the car of intelligent driving function be provided with as above on the car on-vehicle laser radar detection system.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic diagram of a right-view structure of a laser radar module on a vehicle body according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a position where a laser radar module is arranged on a vehicle body according to an embodiment of the present invention;

fig. 3 is a schematic front view of a lidar module according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of A-A of FIG. 3;

fig. 5 is a schematic side view of the base according to the embodiment of the present invention;

fig. 6 is a schematic side view of the top cover according to the embodiment of the present invention;

fig. 7 is a schematic diagram of a right-view structure of the top cover according to the embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view of B-B of FIG. 7;

fig. 9 is a schematic structural diagram of a laser radar detection device according to an embodiment of the present invention;

fig. 10 is a schematic side view of a lidar detection device according to an embodiment of the present invention;

fig. 11 is an exploded schematic view of a lidar module according to embodiment 2 of the present invention;

fig. 12 is a schematic cross-sectional structural diagram of the laser radar module according to embodiment 2 of the present invention;

fig. 13 is a schematic top view of the base according to embodiment 2 of the present invention;

fig. 14 is a schematic structural view of the vibration damping device according to embodiment 2 of the present invention;

fig. 15 is a schematic side view of the vibration damping device according to embodiment 2 of the present invention;

fig. 16 is a schematic side view of the lidar detection device according to embodiment 2 of the present invention;

fig. 17 is a schematic side view of a first viewing angle of the detection system of the vehicle-mounted radar system according to embodiment 3 of the present invention;

fig. 18 is a schematic side view of a second view angle of the detection system of the radar-based vehicle system according to embodiment 3 of the present invention;

description of reference numerals:

the vehicle body 100, the top front cross beam 11, the mounting groove 12, the laser radar module 200, the camera detection device 300, the infrared detection device 400, the right detection device 500, the left detection device 600, the front detection device 700, the rear detection device 800, the top cover 1, the high-transmittance part 101, the common light-transmittance part 102, the support plate 103, the first flap 104, the second flap 105, the first side wall 106, the first notch 107, the first connection hole 108, the cover plate 109, the base 2, the bottom plate 201, the first connection wall 202, the second connection wall 203, the limit step 204, the second connection hole 205, the third connection hole 206, the first limit groove 207, the fourth connection hole 208, the first positioning groove 209, the laser radar detection device 3, the connection plate 301, the laser radar body 302, the fifth connection hole 303, the second limit groove 304, the second positioning groove 305, the vibration damping device 4, the vibration damping pad body 401, the positioning boss 402, the sixth connection hole 403, fixing bolt 5, and holding chamber 6.

Detailed Description

In order to make the technical means and the objectives and functions of the present invention easy to understand, the embodiments of the present invention will be described in detail with reference to the specific drawings.

It should be noted that all terms used in the present invention for directional and positional indication, such as: the terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "top", "lower", "transverse", "longitudinal", "center", etc. are used only for explaining the relative positional relationship, connection conditions, etc. between the respective members in a certain specific state (as shown in the drawings), and are only for convenience of description of the present invention, and do not require that the present invention must be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Example 1

As shown in fig. 1-10, the utility model discloses an on-vehicle laser radar mounting structure, including laser radar module 200, laser radar module 200 is fixed on the top front beam 11 of automobile body 100, wherein, laser radar module 200 includes:

the base 2 is fixed in a mounting groove 12 on the top front cross beam 11;

the top cover 1 is fixed on the base 2 and extends out of the mounting groove 12, and a cavity 6 is formed between the top cover 1 and the base 2;

laser radar detection device 3, laser radar detection device 3 set up in hold the chamber 6.

The utility model discloses a vehicle-mounted laser radar mounting structure, which avoids unstable connection problem and possible easy theft risk caused by the direct fixation of a laser radar detection device 3 on the top of a vehicle roof by arranging at least one mounting groove 12 on a top front beam 11 of a vehicle body 100, fixes a base 2 of a laser radar module 200 in the mounting groove 12, detachably fixes the base 2 and the mounting groove 12 of the top front beam 11, fixes the laser radar detection device 3 on the base 2, the upper end of the laser radar detection device 3 extends out of the mounting groove 12, the laser radar detection device 3 can detect the front side and the back side or the periphery of the vehicle body 100, covers a top cover 1 above the laser radar detection device 3, carry out safety protection to laser radar detection device 3, top cap 1 can be dismantled with base 2 and be connected, guarantees top cap 1 protection laser radar detection device 3's reliability.

The utility model discloses an on-vehicle laser radar mounting structure stretches into through the base structure with laser radar detection device 3 inside mounting groove 12 on the top front beam 11 or automobile body 100, reduced laser radar module 200 set up the height, guarantee the reliability that on-vehicle laser radar surveyed, avoid simultaneously that laser radar module 200 is stolen.

As a preferred example of the present invention, the base 2 includes:

a base plate 201, on which the laser radar detection device 3 is fixed, in the base plate 201;

a first connecting wall 202, wherein the first connecting wall 202 is arranged in the circumferential direction of the bottom plate 201, a second connecting hole 205 is arranged on the first connecting wall 202, and the second connecting hole 205 is used for the bolt connection of the base 2 and the top front cross beam 11;

a second connecting wall 203, the second connecting wall 203 is arranged above the first connecting wall 202, a third connecting hole 206 is arranged on the second connecting wall 203, and the third connecting hole 206 is used for detachably connecting the base 2 and the top cover 1.

As an example of the present invention, a first turning plate 104 is disposed on the top cover 1, the first turning plate 104 can extend into the inner side of the second connecting wall 203 and the base 2 or be connected through a connecting bolt, or the first turning plate 104 is sleeved on the outer side of the second connecting wall 203 and the base 2 or be connected through a connecting bolt.

Preferably, a limit step 204 is formed at the connection of the first connection wall 202 and the second connection wall 203. The stop step 204 is used to support the first flap 104 on the top cover 1.

Specifically, the second connecting wall 203 is arranged above the first connecting wall 202 and is arranged in a structure which contracts inwards, the limiting step 204 is formed on the outer side of the second connecting wall 203, after the first connecting wall 202 is matched with the mounting groove 12, the second connecting hole 205 and the connecting holes in the mounting groove 12 are connected with the top front cross beam 11 through the connecting bolts, the first turning plate 104 on the top cover 1 is arranged on the limiting step 204 between the second connecting wall 203 and the inner wall of the mounting groove 12, the third connecting hole 206 arranged on the top cover 1 and the second connecting wall 203 can realize the connection between the top cover 1 and the second connecting wall 203 through the connecting bolts, and the first turning plate 104 on the top cover 1, the top front cross beam 11 and the second connecting wall 203 can also be connected with each other through the connecting bolts.

This setting further guarantees base 2 and the convenience and the stability that top front beam 11, top cap 1 are connected, can be applicable to multiple vehicle simultaneously, improves its application scope.

As an example of the present invention, the second connection hole 205 and the third connection hole 206 are respectively disposed at both sides of the bottom plate 201.

When the second connection hole 205 and the third connection hole 206 are respectively disposed at two sides of the bottom plate 201, the fixing of the base 2 and the top front beam 11 is formed below the bottom plate 201, and at this time, the lidar detection device 3 and the bottom plate 201 may be fixed as a whole, which further improves the reliability of the lidar module 200 against theft.

Alternatively, the second connection hole 205 and the third connection hole 206 are both disposed above the bottom plate 201. This setting can effectively reduce lidar detection device 3 and stretch out the height of mounting groove 12 improves the wholeness and the aesthetic property of on-vehicle lidar installation, avoids causing the interference with other structures when using.

As a preferred example of the present invention, the top cover 1 includes:

the cover plate 109 is arranged in an arc shape from front to back;

a support plate 103, wherein the support plate 103 is arranged at the lower end of the cover plate 109;

two first side walls 106 are arranged on the first side walls 106, two first side walls 106 are arranged on two sides of the cover plate 109, and first connection holes 108 are arranged on the first side walls 106;

the first flap 104 is arranged at the end of the inner side of the support plate 103 and is arranged downwards.

This setting discloses a top cap 1 structure, through the apron 109 that sets up the dome-shaped, guarantees that the structure that exposes of top cap 1 keeps unanimous or is close with the streamlined of automobile body, reduces the vehicle and causes top cap 1 not hard up because wind-force or vibration in the in-process of traveling, and the backup pad 103 that the lower extreme of apron 109 set up can make top cap 1 support on top front beam 11 or automobile body shell the inboard first board 104 that turns over that sets up down of backup pad 103 can block into on the spacing step 204 between second connecting wall 203 and the mounting groove 12 inner wall, avoid foreign matter or water droplet to get into and hold the chamber 6 in, and guarantee that apron 109 is fixed reliable.

As a preferred example of the present invention, a first notch 107 is provided on the first side wall 106, the first connection hole 108 is provided in the first notch 107, and the first connection hole 108 is connected to the third connection hole 206 on the second connection wall 203 by a connection bolt.

Preferably, a decorative cover or a decorative plug is provided on the first notch 107. The decorative cover can cover the first notch 107, or the decorative plug can be plugged into the first notch 107. This setting is used for fixing top cap 1 with the connecting screw of base 2 is decorated, improves top cap 1 with the leakproofness that base 2 is connected has improved the reliability of laser radar module 200 theftproof simultaneously.

As a preferred example of the present invention, the top cover 1 further includes:

a second turning plate 105, wherein the second turning plate 105 is arranged at the end part of the inner side of the supporting plate 103 and is arranged upwards.

The second turning plate 105 is arranged on the outer side of the second connecting wall 203, so that the reliability of connection between the top cover 1 and the base 2 is further improved, the function of preventing foreign matters from entering the accommodating cavity 6 is enhanced, and the reliable use of the laser radar detection device 3 is ensured.

As a preferred example of the present invention, the cover plate 109 includes:

a high-transmittance portion 101, the high-transmittance portion 101 being formed on the cover plate 109 at a position near the center;

and a normal light transmission part 102, wherein the normal light transmission part 102 is formed on the cover plate 109 at a position near both ends.

The high-transmittance portion 101 can be used for transmitting the laser beam emitted from the laser radar detection device 3 and the reflected laser beam with high efficiency, and the normal light-transmitting portion 102 is a normal light-transmitting portion.

This setting can reduce the loss and the interference of laser, improves laser radar's precision and resolution ratio.

Example 2

As shown in fig. 1-16, the utility model discloses an on-vehicle laser radar mounting structure, including laser radar module 200, laser radar module 200 is fixed on the top front beam 11 of automobile body 100, wherein, laser radar module 200 includes:

the base 2 is fixed on the top front cross beam 11;

the laser radar detection device 3 is arranged in the accommodating cavity 6;

the vibration damping device 4 is arranged between the base 2 and the laser radar detection device 3, and the other structures are the same as those of the embodiment 1.

This setting is through setting up a damping device 4 in laser radar detection device 3's below, damping device 4 is in structure deformation when laser radar detection device 3 jolts or receives pressure to make the vehicle in the in-process of traveling, when vibration or jolt appear in the vehicle, prevent that laser radar detection device hard contact from connecting when vibration or rocking, arouse and detect distortion or device and damage scheduling problem, this setting has guaranteed the stability and the reliability of using that laser radar module 200 connects.

As a preferred example of the present invention, the lidar detection device 3 includes a lidar body 302 and a connecting plate 301, a fifth connecting hole 303 is provided on the connecting plate 301, a fourth connecting hole 208 is provided on the bottom plate 201, and the fifth connecting hole 303 and the fourth connecting hole 208 are fixed by a fixing bolt 5.

As an example of the present invention, the laser radar body 302 is disposed at a position on the upper surface of the connecting plate 301 close to the center, and the fifth connecting holes 303 are disposed at four corners of the connecting plate 301. This setting has guaranteed the convenience of laser radar detection device 3 and base 2 installation and the stability of being connected.

As a preferred example of the present invention, the vibration damping device 4 includes:

the shock pad comprises a shock pad body 401, wherein the shock pad body 401 is arranged in a rectangular shape;

a positioning boss 402, wherein the positioning boss 402 is disposed on the upper surface and/or the lower surface of the cushion body 401.

As an example of the present invention, the vibration damping device 4 is made of rubber material, which facilitates quick positioning and installation of the vibration damping device 4, and also ensures the reliability of the vibration damping function of the vibration damping device 4.

As a preferred example of the present invention, a first limiting groove 207 is disposed on the upper surface of the bottom plate 201, the first limiting groove 207 is used for accommodating a limiting position on the lower surface of the cushion body 401, and a first positioning groove 209 is disposed in the first limiting groove 207.

This setting makes damping device 4's shock pad body 401 sets up in first spacing groove 207, and the location boss 402 of shock pad body 401 lower surface inserts carry out quick location and spacing in the first locating groove 209, avoid damping device 4 because vibration produces the displacement in the use, guarantee the reliability of damping device 4 work.

As a preferred example of the present invention, a second limiting groove 304 is disposed on the lower surface of the connecting plate 301, the second limiting groove 304 is used for accommodating the upper surface of the cushion body 401, and a second positioning groove 305 is disposed in the second limiting groove 304.

The structure enables the vibration damper 4 and the laser radar detection device 3 to be quickly positioned and limited when being installed, and further improves the reliability of vibration damping work of the vibration damper 4.

As an example of the present invention, the vibration damping device 4 is provided in plurality, and is disposed at a position where the connecting plate 301 is close to four corners and a position where it is close to the center, respectively.

This arrangement improves the reliability of the vibration damping operation of the vibration damping device 4 comprehensively.

As a preferred example of the present invention, a fourth connection hole 208 is provided in the first limiting groove 207, a fifth connection hole 303 is provided in the second limiting groove 304, a sixth connection hole 403 is provided on the cushion body 401, and the fixing bolt 5 is inserted into the fourth connection hole 208 after sequentially passing through the fifth connection hole 303 and the sixth connection hole 403 and is fixed by internal threads.

This setting had both guaranteed damping device 4 and had connected stably, had improved the efficiency of base 2, laser radar detection device 3 and damping device 4 installation again.

As a preferred example of the present invention, the base 2 and the connecting bolt fixed to the top front beam 11, the top cover 1 and the connecting bolt fixed to the base 2 adopt an anti-theft bolt with the fixing bolt 5 fixed to the connecting base 2, the laser radar detection device 3 and the vibration damping device 4.

Example 3

As shown in fig. 1-18, the utility model also discloses an on-vehicle laser radar detecting system, including leading detection device 700, rearmounted detection device 800, left side detection device 600, right side detection device 500 and the laser radar module 200 of setting on automobile body 100, laser radar module 200 sets up on the top front beam 11 of automobile body 100, wherein, laser radar module 200 includes:

the base 2 is fixed in a mounting groove 12 on the top front cross beam 11;

The installation structure of the lidar module 200 is the installation structure in embodiment 1 or embodiment 2, and the description is not repeated here.

As an example of the present invention, the functions and the usage patterns of the front detection device 700, the rear detection device 800, the left detection device 600, and the right detection device 500 on the vehicle body 100 are the same as or similar to those of the prior art, and the combination of the laser radar module 200 and the front detection device 700, the rear detection device 800, the left detection device 600, and the right detection device 500, which are disposed in the mounting groove 12 on the top front beam 11 of the vehicle body 100, is detected, and the combination can be implemented as required by those skilled in the art, and this part of the content is not the improvement point of the present application, and is not described in detail herein.

As a preferred example of the present invention, the laser radar modules 200 are two, two laser radar modules 200 are respectively disposed in two mounting grooves 12 of the top front beam 11 near two ends.

Preferably, each included angle of the detection sector area of the laser radar module 200 is α, two detection outsides of the laser radar modules 200 extend out of the left end portion or the right end portion of the vehicle body 100 respectively, and two sector area included angles of the detection insides of the laser radar modules 200 which are crossed and overlapped are β, wherein β is not less than α.

This setting makes the barrier to automobile body 100 the place ahead that laser radar module 200 can be accurate detect, especially when going at a high speed, the accurate distance that detects the vehicle and barrier around, guarantees that the vehicle goes reliably, avoids single laser radar module 200 to break down or detect the detection that arouses when unusual simultaneously and misaligns the problem.

As a preferred example of the present invention, the area of the laser radar module 200 where the inside cross overlap is detected is the front of the vehicle body, and β ═ α.

The arrangement further improves the reliability of the use and the detection accuracy of the vehicle-mounted laser radar detection system.

As a preferred example of the present invention, the left side detection device 600 and the right side detection device 500 include any one or more detection modules of a laser detection module, a camera detection module and an infrared detection module, and the left side detection device 600 and the right side detection device 500 are disposed on the door handle and/or the rearview mirror.

As a preferred example of the present invention, the front detection device 700 includes a camera detection device 300 and an infrared detection device 400, and the camera detection device 300 is disposed above the infrared detection device 400. As an example of the present invention, the camera detection device 300 employs a wide-angle camera, and the infrared detection device 400 is used for infrared distance measurement. The camera detection device 300 is arranged above, so that the recording angle and range of images shot by the camera detection device 300 can be ensured, the distance between the vehicle body and the obstacle can be accurately detected by the infrared detection device 400, and particularly, the structure damage caused by the contact between the vehicle and the obstacle can be avoided for the obstacle with a small structure.

As a preferred example of the present invention, the rear detection device 800 is similar to the front detection device 700 in structure, and is not described herein again in detail.

As an example of the present invention, as shown in fig. 18, a laser radar module 200 is disposed at a position close to the middle portion on the top front cross member 11 of the vehicle body 100, and the laser radar detection device 3 in the laser radar module 200 can be opposite to the base 2 to perform a rotational motion.

The utility model also discloses a car, especially contain the car of intelligent driving function, be provided with on the car as above-mentioned embodiment on vehicle-mounted laser radar mounting structure or vehicle-mounted laser radar detection system.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an on-vehicle lidar detection system, its characterized in that, including leading detection device (700), rearmounted detection device (800), left side detection device (600), right side detection device (500) and the lidar module (200) of setting on automobile body (100), lidar module (200) are fixed on top front beam (11) of automobile body (100), wherein, lidar module (200) include:

the base (2) is fixed in a mounting groove (12) on the top front cross beam (11);

the top cover (1) is fixed on the base (2) and extends out of the mounting groove (12), and a containing cavity (6) is formed between the top cover (1) and the base (2);

the laser radar detection device (3), the laser radar detection device (3) set up in holding chamber (6).

2. The vehicle lidar detection system of claim 1, wherein the base (2) comprises:

a base plate (201), on which base plate (201) the lidar detection device (3) is fixed;

the first connecting wall (202) is arranged in the circumferential direction of the bottom plate (201), a second connecting hole (205) is formed in the first connecting wall (202), and the second connecting hole (205) is used for connecting the base (2) and the top front cross beam (11) through bolts;

the second connecting wall (203), the second connecting wall (203) sets up in the top of first connecting wall (202), set up third connecting hole (206) on second connecting wall (203), third connecting hole (206) be used for base (2) with top cap (1) can dismantle the connection.

3. The vehicle lidar detection system of claim 2, wherein the roof (1) comprises:

the cover plate (109) is arranged in an arc shape from front to back;

a support plate (103), wherein the support plate (103) is arranged at the lower end of the cover plate (109);

two first side walls (106), wherein the two first side walls (106) are arranged, the two first side walls (106) are arranged on two sides of the cover plate (109), and first connecting holes (108) are arranged on the first side walls (106);

the first turning plate (104) is arranged at the end part of the inner side of the supporting plate (103) and faces downwards.

4. A vehicle lidar detection system according to claim 3, characterized in that a vibration damping device (4) is arranged between the base (2) and the lidar detection device (3).

5. The vehicle-mounted laser radar detection system according to any one of claims 1 to 4, wherein two laser radar modules (200) are arranged, and the two laser radar modules (200) are respectively arranged in two mounting grooves (12) of the top front cross beam (11) close to two ends.

6. The vehicle-mounted lidar detection system according to claim 5, wherein an included angle of a detection sector area of each lidar module (200) is α, the detection outer sides of the two lidar modules (200) respectively extend out of the left end portion or the right end portion of the vehicle body (100), and the sector area included angles of the detection inner sides of the two lidar modules (200) which are overlapped in a crossed manner are β, wherein β is less than or equal to α.

7. The vehicle lidar detection system of claim 6, wherein the cross-overlap area inside the lidar module (200) is directly in front of the vehicle, and β ═ α.

8. The vehicle-mounted lidar detection system of claim 7, wherein the left side detection device (600) and the right side detection device (500) comprise any one or more of a laser detection module, a camera detection module and an infrared detection module, and the left side detection device (600) and the right side detection device (500) are arranged on a vehicle door handle and/or a rearview mirror.

9. The on-board lidar detection system of claim 8, wherein the front detection device (700) comprises a camera detection device (300) and an infrared detection device (400), the camera detection device (300) being disposed above the infrared detection device (400).

10. An automobile, characterized in that the automobile is provided with the vehicle-mounted laser radar detection system as claimed in any one of claims 1 to 9.