Automotive laser radar mounting bracket and automobile

Abstract

The utility model provides a vehicle laser radar installation support and an automobile, the vehicle laser radar installation support comprises a support body, the middle part of the support body is provided with a heat conduction area used for transmitting heat of a laser radar to the support body, and the heat conduction area is internally provided with a heat conductor; a first connecting part used for being connected with a vehicle body, a second connecting part used for being connected with a laser radar and a third connecting part used for being connected with a cover plate are distributed around the heat conduction area on the support body in a staggered mode, and the first connecting part, the second connecting part and the third connecting part are sequentially distributed in the thickness direction of the support body. According to the scheme, the heat dissipation efficiency of the laser radar is effectively improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobiles, and in particular relates to a vehicle laser radar mounting bracket and a vehicle. Background Art

[0002] LiDAR technology has developed rapidly in recent years and has made significant progress in many fields, especially in the field of autonomous driving. LiDAR usually needs to be connected and installed on the vehicle through a bracket, and controls the vehicle's driving according to the external environment (such as acceleration, deceleration, lane change, and parking operations). In particular, due to the characteristics of high resolution, strong anti-interference ability, and compact size, LiDAR is very important in autonomous driving technology.

[0003] However, LiDAR will face heating problems during use. This is because when LiDAR is working continuously, especially the high-frequency pulse laser and related electronic components will generate a lot of heat. If the heat dissipation is not properly handled, the accuracy and stability of LiDAR may be reduced, and even its service life may be affected. Utility Model Content

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a vehicle laser radar mounting bracket and a vehicle to solve the above-mentioned problems.

[0005] To achieve the above-mentioned purpose and other related purposes, the utility model provides a vehicle laser radar mounting bracket, comprising: a bracket body, a heat-conducting area for transferring the heat of the laser radar to the bracket body is provided in the middle part of the bracket body, and a heat conductor is provided in the heat-conducting area; a first connecting part for connecting to the vehicle body, a second connecting part for connecting to the laser radar and a third connecting part for connecting to the cover plate are staggeredly distributed on the bracket body around the heat-conducting area, and the first connecting part, the second connecting part and the third connecting part are distributed in sequence in the thickness direction of the bracket body.

[0006] Optionally, the first connection portion is arranged toward the vehicle body, and the third connection portion is arranged toward the cover plate.

[0007] Optionally, the heat conductor is in planar contact with the laser radar, the heat conductive area is in planar contact with the heat conductor, and the second connecting portion is located on the board surface where the heat conductive area is located.

[0008] Optionally, a mounting hole is provided on the second connecting portion, a shock absorbing sleeve is provided in the mounting hole, and a metal bushing is provided in the shock absorbing sleeve.

[0009] Optionally, the heat conductor is a heat conductive pad disposed on the heat conductive area;

[0010] or

[0011] The heat conductor is a heat conductive glue formed on the heat conductive area.

[0012] Optionally, the heat conductor occupies 60% to 75% of the mounting surface of the laser radar.

[0013] Optionally, the heat conductor has a first surface and a second surface in a thickness direction, and a thickness difference from the first surface to the second surface at each location on the heat conductor is less than 0.5 mm.

[0014] Optionally, the bracket body is made of heat-conductive metal material.

[0015] To achieve the above-mentioned purpose and other related purposes, the utility model provides an automobile, including a vehicle body, a cover plate, a laser radar and a vehicle laser radar mounting bracket, wherein the front side of the vehicle body is provided with a mounting cavity, the vehicle laser radar mounting bracket is installed in the mounting cavity, the laser radar is installed on the vehicle laser radar mounting bracket, and the cover plate is connected to the vehicle body and covers the laser radar and the vehicle laser radar mounting bracket.

[0016] Optionally, there is an air inlet and outlet gap between the cover plate and the vehicle body, and there is a ventilation gap between the heat conduction area of ​​the vehicle laser radar mounting bracket and the vehicle body.

[0017] As described above, the automotive laser radar mounting bracket and the vehicle of the utility model have the following beneficial effects:

[0018] In this solution, the vehicle laser radar mounting bracket is set to transfer the heat of the laser radar to the vehicle body; the heat conduction area is set to facilitate the transfer of the heat of the laser radar to the bracket body; the heat conductor is set to increase the thermal conductivity and increase the heat dissipation effect of the laser radar. The first connecting part is set to achieve the connection between the bracket body and the vehicle body, the second connecting part is set to achieve the installation of the bracket body and the laser radar, and the third connecting part is set to achieve the installation between the bracket body and the cover plate. The first connecting part, the second connecting part and the third connecting part are staggered to avoid interference with each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an axonometric view of the vehicle laser radar mounting bracket in the embodiment of the utility model.

[0020] Figure 2 It is a rear view of the vehicle laser radar mounting bracket in the embodiment of the utility model.

[0021] Figure 3 It is a side view of the vehicle laser radar mounting bracket in an embodiment of the utility model.

[0022] Figure 4 It is a schematic diagram of the local structure of a car in an embodiment of the utility model.

[0023] Figure 5 It is a schematic diagram of the installation structure of the laser radar in the embodiment of the utility model. DETAILED DESCRIPTION

[0024] The figure marks in the drawings of the specification include: vehicle laser radar mounting bracket 1, heat conduction area 101, first connecting part 102, second connecting part 103, third connecting part 104, reinforcement structure 105, shock absorbing sleeve 106, metal bushing 107, heat conductor 108, cover plate 2, window 201, laser radar 3, and vehicle body 4.

[0025] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0026] Reference Figure 1 To Attachment Figure 3 As shown, in an exemplary embodiment of the present application, a vehicle laser radar mounting bracket is provided, including: a bracket body, a heat-conducting area 101 for transferring the heat of the laser radar 3 to the bracket body is provided in the middle of the bracket body, and a heat conductor 108 is provided in the heat-conducting area 101; a first connection part 102 for connecting to the vehicle body 4, a second connection part 103 for connecting to the laser radar 3 and a third connection part 104 for connecting to the cover plate 2 are staggeredly distributed around the heat-conducting area 101 on the bracket body, and the first connection part 102, the second connection part 103 and the third connection part 104 are distributed in sequence in the thickness direction of the bracket body.

[0027] In this embodiment, the vehicle laser radar mounting bracket is provided to transfer the heat of the laser radar 3 to the vehicle body 4; the heat conduction area 101 is provided to facilitate the transfer of the heat of the laser radar 3 to the bracket body; the heat conductor 108 is provided to increase the thermal conductivity and the heat dissipation effect of the laser radar 3. The first connecting portion 102 is provided to achieve the connection between the bracket body and the vehicle body 4, the second connecting portion 103 is provided to achieve the installation of the bracket body and the laser radar 3, and the third connecting portion 104 is provided to achieve the installation between the bracket body and the cover plate 2. The first connecting portion 102, the second connecting portion 103 and the third connecting portion 104 are staggered to avoid interference with each other.

[0028] In an exemplary embodiment, the first connection portion 102 is disposed toward the vehicle body 4 , and the third connection portion 104 is disposed toward the cover plate 2 .

[0029] It is worth noting that the first connection part 102, the second connection part 103 and the third connection part 104 need to satisfy not only the staggered distribution in the thickness direction of the bracket body, but also the staggered distribution in the transverse direction. The first connection part 102 is arranged toward the vehicle body 4, and the third connection part 104 is arranged toward the cover plate 2, that is, the staggered distribution in the thickness direction is satisfied. The first connection part 102, the second connection part 103 and the third connection part 104 do not overlap with each other, but are dispersed around the heat conduction area 101, that is, the transverse staggered distribution is achieved.

[0030] Exemplarily, the first connection portion 102 is a mounting surface protruding toward the vehicle body 4, and a connection port is provided on the first connection portion 102, through which a bolt or the like can pass to achieve connection with the vehicle body 4. The third connection portion 104 is a mounting surface protruding toward the cover plate 2, and a connection port for bolting with the cover plate 2 is provided on the third connection portion 104.

[0031] Exemplarily, the mounting surface of the first connection portion 102 is consistent with the tilt direction and tilt angle of the connection position of the vehicle body 4, ensuring that the connected bolts are perpendicular to the plate surface of the connection position of the vehicle body 4 to increase the connection stability. Similarly, the mounting surface of the third connection portion 104 is consistent with the tilt direction and tilt angle of the corresponding connection position on the cover plate 2, ensuring that the connected bolts are perpendicular to the plate surface of the cover plate 2.

[0032] Exemplarily, the bracket body is disposed on a front cross beam of a roof of the vehicle to ensure that the installation of the laser radar 3 meets the detection requirements of autonomous driving (such as requirements for detection range, etc.).

[0033] In an exemplary embodiment, the heat conductor 108 is in planar contact with the laser radar 3 , the heat conduction region 101 is in planar contact with the heat conductor 108 , and the second connection portion 103 is located on the board surface where the heat conduction region 101 is located.

[0034] It should be noted that the laser radar 3 and the heat conductor 108 may be in inclined contact, but in order to increase the installation stability, the laser radar 3 and the heat conductor 108 are set to be in planar contact. Similarly, the heat conductor 108 and the heat conductive area 101 are set to be in planar contact.

[0035] It should also be noted that the laser radar 3 and the heat conductor 108 can also be in contact through the convex parts arranged in an array, but in order to increase the heat transfer efficiency and ensure the heat dissipation effect, the laser radar 3 and the heat conductor 108 are in planar contact. Similarly, the heat conductor 108 and the heat conductive area 101 are set to be in planar contact.

[0036] In an exemplary embodiment, a mounting hole is formed on the second connecting portion 103 , a shock absorbing sleeve 106 is disposed in the mounting hole, and a metal bushing 107 is disposed in the shock absorbing sleeve 106 .

[0037] It is worth mentioning that the detection error caused by the vibration of the vehicle body 4 to the laser radar 3 is fully taken into consideration, and an aluminum alloy bushing (i.e., metal bushing 107) is embedded in the rubber (i.e., shock-absorbing sleeve 106) for fastening, so that the vibration is absorbed as much as possible in the shock-absorbing sleeve 106 and the metal bushing 107 to ensure the seismic isolation rate. The metal bushing 107 also ensures the tightness of the bolt connection.

[0038] In an exemplary embodiment, the heat conductor 108 is a heat conductive pad disposed on the heat conductive area 101;

[0039] or

[0040] The heat conductor 108 is a heat conductive adhesive formed on the heat conductive area 101 .

[0041] In this embodiment, the heat conductor 108 is a heat conductive pad or a heat conductive adhesive. If it is set as a heat conductive pad, it can also play a shock absorbing effect between the heat conductive area 101 and the heat conductor 108.

[0042] In an exemplary embodiment, the heat conductor 108 occupies 60% to 75% of the mounting surface of the laser radar 3 .

[0043] It should be noted that the side of the laser radar 3 that contacts the mounting bracket is the mounting surface. To ensure the heat dissipation effect, the heat conductor 108 occupies 60% to 75% of the mounting surface on the laser radar 3.

[0044] Exemplarily, in order to ensure the heat dissipation effect, the heat conductor 108 occupies 60%, 62%, 66% or 75% of the mounting surface on the laser radar 3.

[0045] In an exemplary embodiment, the heat conductor 108 has a first surface and a second surface in the thickness direction, and the thickness difference from the first surface to the second surface at each location on the heat conductor 108 is less than 0.5 mm.

[0046] In this embodiment, the heat conductor 108 is preferably of uniform thickness to ensure that the heat dissipation efficiency of each contacting portion is the same.

[0047] Exemplarily, the thickness of the heat conductor 108 is 1.6-1.8 mm.

[0048] Exemplarily, the thickness of the heat conductor 108 is 1.6 mm, 1.7 mm or 1.8 mm.

[0049] For example, the vehicle laser radar mounting bracket is formed by an integrally formed plate body, and for lightweight considerations, the plate body thickness is 2 mm to 3 mm. For strength considerations, a reinforcing rib is provided at the bending portion of the third connecting portion 104, and a reinforcing structure 105 can be provided on the side of the heat conducting area 101 close to the vehicle body 4, and the reinforcing structure 105 includes reinforcing ribs cross-distributed in a grid shape.

[0050] In an exemplary embodiment, the bracket body is made of a heat-conductive metal material.

[0051] Exemplarily, the bracket body is made of aluminum alloy to ensure thermal conductivity.

[0052] Reference Figure 4 and attached Figure 5 As shown, with respect to the above-mentioned vehicle laser radar mounting bracket 1, the present application also provides a car, comprising a vehicle body 4, a cover plate 2, a laser radar 3 and the above-mentioned vehicle laser radar mounting bracket 1, a mounting cavity is provided on the front side of the vehicle body 4, the vehicle laser radar mounting bracket 1 is installed in the mounting cavity, the laser radar 3 is installed on the vehicle laser radar mounting bracket 1, and the cover plate 2 is connected to the vehicle body 4 and covers the laser radar 3 and the vehicle laser radar mounting bracket 1.

[0053] In this embodiment, a mounting cavity for the laser radar 3 is provided on the vehicle body 4, and the laser radar 3 is installed in the mounting cavity through the vehicle laser radar mounting bracket 1, and then covered with a cover plate 2. The cover plate 2 is an exterior panel that protects the laser radar 3 and also beautifies the appearance of the vehicle.

[0054] Exemplarily, a window 201 for the laser radar 3 is provided on the cover plate 2 to ensure that the laser radar 3 can operate normally.

[0055] In an exemplary embodiment, there is an air inlet and outlet gap between the cover plate 2 and the vehicle body 4 , and there is a ventilation gap between the heat conduction area 101 of the vehicle laser radar mounting bracket 1 and the vehicle body 4 .

[0056] Exemplarily, the heat conduction area 101 is located in the middle area of ​​the vehicle laser radar mounting bracket 1 .

[0057] It should be noted that the first connection portion 102 on the vehicle laser radar mounting bracket 1 is a mounting table formed by protruding toward the vehicle body 4, so that there is a height difference between the heat conduction area 101 and the mounting table. Therefore, after the vehicle laser radar mounting bracket 1 is installed on the vehicle body 4, there will be a certain gap between the vehicle body 4, that is, the ventilation gap. During the driving process of the vehicle, the outside wind will enter the bottom of the vehicle laser radar mounting bracket 1 through the air inlet and outlet gap, and then go out from the air inlet and outlet gap near the rear side of the vehicle, taking away the heat generated by the laser radar 3, and increasing the heat dissipation efficiency of the laser radar 3.

[0058] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A vehicle laser radar mounting bracket, characterized in that: include: A bracket body, wherein a heat-conducting area for transferring heat from the laser radar to the bracket body is arranged in the middle of the bracket body, and a heat conductor is arranged in the heat-conducting area; a first connection part for connecting to a vehicle body, a second connection part for connecting to the laser radar, and a third connection part for connecting to a cover plate are staggeredly distributed on the bracket body around the heat-conducting area, and the first connection part, the second connection part and the third connection part are distributed in sequence in the thickness direction of the bracket body.

2. The vehicle laser radar mounting bracket according to claim 1, characterized in that: The first connection portion is disposed toward the vehicle body, and the third connection portion is disposed toward the cover plate.

3. The vehicle laser radar mounting bracket according to claim 1, characterized in that: The heat conductor is in planar contact with the laser radar, the heat conduction area is in planar contact with the heat conductor, and the second connecting portion is located on the plate surface where the heat conduction area is located.

4. The vehicle laser radar mounting bracket according to claim 1, characterized in that: The second connecting portion is provided with a mounting hole, a shock absorbing sleeve is arranged in the mounting hole, and a metal bushing is arranged in the shock absorbing sleeve.

5. The vehicle laser radar mounting bracket according to claim 1, characterized in that: The heat conductor is a heat conductive pad disposed on the heat conductive area; or The heat conductor is a heat conductive glue formed on the heat conductive area.

6. The vehicle laser radar mounting bracket according to claim 1, characterized in that: The heat conductor occupies 60% to 75% of the installation surface of the laser radar.

7. The vehicle laser radar mounting bracket according to claim 1, characterized in that: The heat conductor has a first surface and a second surface in the thickness direction, and the thickness difference from the first surface to the second surface at each position on the heat conductor is less than 0.5 mm.

8. The vehicle laser radar mounting bracket according to any one of claims 1 to 7, characterized in that: The support body is made of heat-conductive metal material.

9. A car, characterized in that: It includes a vehicle body, a cover plate, a laser radar and a vehicle laser radar mounting bracket as described in any one of claims 1 to 8, wherein a mounting cavity is provided on the front side of the vehicle body, the vehicle laser radar mounting bracket is mounted in the mounting cavity, the laser radar is mounted on the vehicle laser radar mounting bracket, and the cover plate is connected to the vehicle body and covers the laser radar and the vehicle laser radar mounting bracket.

10. The automobile according to claim 9, characterized in that: An air inlet and outlet gap is provided between the cover plate and the vehicle body, and a ventilation gap is provided between the heat conduction area of ​​the vehicle laser radar mounting bracket and the vehicle body.

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