Laser radar complete machine framework
By attaching and connecting the heat dissipation parts on the electrical components of the lidar and connected to the shell, the high power consumption and heat dissipation requirements of the lidar during long-distance detection is solved, and efficient heat dissipation and cost control are achieved.
Patent Information
- Application Number
- CN202421453461.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-06-20
- Estimated Expiration
- 2034-06-24
AI Technical Summary
Existing lidars require high power consumption and heat dissipation requirements during long-distance detection, resulting in increased structural volume and increased processing costs.
A lidar whole machine architecture is designed, by attaching the heat dissipation parts to the electrical components and connecting them to the upper and lower shells, ensuring that heat can be quickly and efficiently transmitted to the shell, thereby improving the heat dissipation effect and reducing production costs.
It realizes efficient heat dissipation of lidar, avoids volume increase and cost increase caused by adding other heat dissipation components, and ensures the normal operation and economical production of the equipment.
Smart Images
Figure CN223006301U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of laser equipment, and more specifically, to a whole machine structure of a lidar. Background Art
[0002] Lidar is widely used in technical fields such as autonomous driving. Currently, the detection distance is usually related to power consumption. For long-distance detection lidar, generally higher power consumption is required, and correspondingly higher heat dissipation requirements are also needed. However, existing lidars often increase the heat dissipation capacity by adding heat dissipation components, but this also increases the structural volume and processing cost. Summary of the Utility Model
[0003] The purpose of the utility model is to provide a whole machine structure of a lidar, which can effectively dissipate heat and reduce processing costs.
[0004] The embodiments of the utility model are implemented as follows:
[0005] In a first aspect, the utility model provides a whole machine structure of a lidar, including:
[0006] A housing, which includes an upper housing and a lower housing connected to each other, and the upper housing and the lower housing enclose an installation chamber;
[0007] Electrical components, which are arranged in the installation chamber;
[0008] A heat dissipation component, which is attached to the electrical components and connected to the upper housing and / or the lower housing.
[0009] In the above embodiment, by attaching the heat dissipation component to the electrical components, it is ensured that the heat exchange area between the heat dissipation component and the electrical components is large, so that the heat dissipated by the electrical components can be effectively and quickly conducted to the heat dissipation component. Moreover, the heat dissipation component is also connected to the upper and lower housings. Therefore, after receiving the heat of the electrical components, the heat dissipation component quickly conducts the heat to the upper and lower housings, with a short heat dissipation path, thus having a good heat dissipation effect. Additionally, there is no need to add other heat dissipation components, avoiding an increase in the volume of the housing and effectively controlling the production cost.
[0010] In an alternative embodiment, the electrical components include a power supply main board, a control main board, and a circuit board. The power supply main board, the control main board, and the circuit board are electrically connected by wires. The power supply main board, the control main board, and the circuit board are all arranged in the installation chamber, and the heat dissipation component is attached to at least one of the power supply main board, the control main board, and the circuit board.
[0011] In an alternative embodiment, the heat dissipation component includes a first heat dissipation block, which is attached to the control main board and is at least partially connected to the upper housing and at least another part is connected to the lower housing.
[0012] In an alternative embodiment, the heat dissipation member further includes a second heat dissipation block, which is attached to the circuit board and is at least partially connected to the upper shell and at least another part connected to the lower shell.
[0013] In an alternative embodiment, both the upper shell and the lower shell are wedge-shaped, and the upper shell and the lower shell are detachably connected.
[0014] In an alternative embodiment, the upper shell is provided with a window and a first docking portion. The window is used for installing a window pane, and the first docking portion is spaced from the window in the horizontal direction. The lower shell is provided with a second docking portion, and the first docking portion is connected to the second docking portion.
[0015] In an alternative embodiment, the second docking portion is further provided with a groove for installing a sealing ring.
[0016] In an alternative embodiment, the lidar overall structure further includes a rotary mirror, which is disposed inside the housing. The upper shell is provided with a window pane, and the rotary mirror faces the window pane.
[0017] In an alternative embodiment, the center horizontal line of the rotary mirror coincides with the center line of the vertical field of view.
[0018] In an alternative embodiment, the lidar overall structure further includes a heating member. The upper shell is provided with a window pane, and the heating member is disposed along the horizontal direction on the window pane.
[0019] The beneficial effects of the lidar overall structure provided by the embodiments of the present invention include: by attaching the heat dissipation member to the electrical components, the heat transfer area between the heat dissipation member and the electrical components is large, so that the heat dissipated by the electrical components can be effectively and quickly conducted to the heat dissipation member. The heat dissipation member is also connected to at least one of the upper and lower shells. Therefore, after receiving the heat of the electrical components, the heat dissipation member quickly conducts the heat to the upper shell or the lower shell. The overall heat dissipation path is short, and no other heat dissipation components need to be added, so the heat dissipation effect is good, avoiding the increase in the volume of the housing due to the addition of other heat dissipation components, and effectively controlling the production cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can be obtained based on these drawings.
[0021] Figure 1Schematic structural diagram of the overall structure of the lidar provided by the embodiment of the present utility model;
[0022] Figure 2 Provided by the embodiment of the present utility model Figure 1 Cross-sectional view taken along the A-A direction in
[0023] Figure 3 Provided by the embodiment of the present utility model Figure 2 Partial enlarged view in
[0024] Reference numerals: 10 - overall structure of the lidar; 100 - housing; 110 - upper shell; 111 - window; 112 - first docking part; 120 - lower shell; 121 - second docking part; 122 - groove; 200 - electrical components; 210 - power main board; 220 - control main board; 230 - circuit board; 300 - heat dissipation part; 310 - first heat dissipation block; 320 - second heat dissipation block; 400 - window pane; 500 - rotating mirror; 600 - support part. Detailed implementation manners
[0025] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. The components of the embodiments of the present utility model usually described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.
[0026] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.
[0027] It should be noted that: like reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0028] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this utility model is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.
[0029] In addition, terms such as "horizontal" and "vertical" do not mean that the components are required to be absolutely horizontal or hanging vertically, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0030] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0031] LiDARs are widely used in technical fields such as autonomous driving. Currently, the detection distance is usually related to power consumption. For long-distance detection radars, generally higher power consumption is required, and correspondingly higher heat dissipation requirements are also needed.
[0032] However, existing LiDARs often increase the heat dissipation capacity by adding heat dissipation devices, but this also increases the structural volume and the processing cost.
[0033] Based on the above problems, please refer to Figures 1 to 3 , an embodiment of the present utility model provides a LiDAR overall architecture 10, including a housing 100, electrical components 200, and a heat dissipation member 300.
[0034] The housing 100 includes an upper housing 110 and a lower housing 120 that are connected; the electrical components 200 are arranged inside the housing 100; the heat dissipation member 300 is attached to the electrical components 200 and is connected to the upper housing 110 and the lower housing 120.
[0035] In this embodiment, by attaching the heat sink 300 to the electrical component 200, it is ensured that the heat exchange area between the heat sink 300 and the electrical component 200 is large, so that the heat dissipated by the electrical component 200 can be effectively and quickly conducted to the heat sink 300. Moreover, the heat sink 300 is also connected to the upper and lower shells 120. Therefore, after receiving the heat of the electrical component 200, the heat sink 300 quickly conducts the heat to the upper and lower shells 120. The heat dissipation path is short, so the heat dissipation effect is good, and there is no need to add other heat dissipation components, avoiding the increase in the volume of the housing 100 and effectively controlling the production cost.
[0036] It should be noted that the heat sink 300 can be connected only to the upper shell 110, or to the lower shell 120. Of course, it can also be connected to both the upper shell 110 and the lower shell 120 at the same time.
[0037] Furthermore, the electrical component 200 includes a power supply main board 210, a control main board 220, and a circuit board 230. The power supply main board 210, the control main board 220, and the circuit board 230 are electrically connected by wires. The power supply main board 210, the control main board 220, and the circuit board 230 are all arranged in the installation chamber, and the heat sink 300 is attached to at least one of the power supply main board 210, the control main board 220, and the circuit board 230.
[0038] In this embodiment, the power supply main board 210 supplies power to the control main board 220 and the circuit board 230, and the control main board 220 controls the circuit board 230 to receive or send data signals.
[0039] Therefore, the heat sink 300 is attached to at least one of the power supply main board 210, the control main board 220, and the circuit board 230 to ensure effective heat exchange between the heat sink 300 and at least one of the power supply main board 210, the control main board 220, and the circuit board 230. Thus, the heat dissipated by the power supply main board 210, the control main board 220, and the circuit board 230 can be effectively and quickly conducted to the heat sink 300. Moreover, the heat sink 300 is also connected to the upper and lower shells 120. Therefore, after receiving the heat of the electrical component 200, the heat sink 300 quickly conducts the heat to the upper and lower shells 120. The heat dissipation path is short, so the heat dissipation effect is good, and there is no need to add other heat dissipation components, avoiding the increase in the volume of the housing 100 and effectively controlling the production cost.
[0040] Optionally, the circuit board 230 can be a TX board, an RX board, etc. Of course, it can also be other circuit boards 230, which are not specifically defined here.
[0041] Furthermore, the heat sink 300 includes a first heat sink block 310 and a second heat sink block 320.
[0042] Among them, the first heat sink 310 is attached to the control main board 220, and at least part of it is connected to the upper shell 110, and at least another part is connected to the lower shell 120.
[0043] The second heat sink 320 is attached to the circuit board 230, and at least part of it is connected to the upper shell 110, and at least another part is connected to the lower shell 120.
[0044] In this embodiment, by attaching the first heat sink 310 to the control main board 220, the control main board 220 can be effectively cooled; by arranging the second heat sink 320 on the circuit board 230, the circuit board 230 can be effectively cooled. The heat of the heat dissipation member 300 is quickly transferred to the upper and lower shells, the heat dissipation path is short, the heat dissipation effect is good, and there is no need to add other heat dissipation components, avoiding the increase in the volume of the housing 100, effectively controlling the production cost, and ensuring the normal operation of the control main board 220 and the circuit board 230.
[0045] It can be understood that only one of the first heat sink 310 and the second heat sink 320 can be provided. Of course, the first heat sink 310 and the second heat sink 320 can also be provided at the same time, and corresponding adjustments can be made according to actual needs, which will not be specifically limited here.
[0046] Furthermore, both the upper shell 110 and the lower shell 120 are wedge-shaped. In other words, the cross-sections of the upper shell 110 and the lower shell 120 are both triangular, and the hypotenuse of the triangle formed by the upper shell 110 is connected to the hypotenuse of the triangle formed by the lower shell 120. The upper shell 110 and the lower shell 120 are detachably connected, and the upper shell 110 and the lower shell 120 form a cubic housing 100.
[0047] In this embodiment, the connection method of the wedge-shaped upper shell 110 and lower shell 120 facilitates the assembly or disassembly of the housing 100, so it is convenient for the overall machine assembly, adjustment and maintenance, thus maximizing the operation space.
[0048] Furthermore, the upper shell 110 is provided with a window 111 and a first docking portion 112. The window 111 is used to install the window piece 400. The first docking portion 112 is arranged at a horizontal interval from the window 111. The lower shell 120 is provided with a second docking portion 121, and the first docking portion 112 is connected to the second docking portion 121.
[0049] In this embodiment, by arranging the first docking portion 112 at intervals in the horizontal direction of the window 111 instead of directly below the window 111 vertically, the connection between the upper shell 110 and the lower shell 120 is offset from the window 111. This avoids the need to increase the distance between the window 111 and the first docking portion 112 to ensure structural strength when the first docking portion 112 is arranged directly below the window 111 vertically, thereby increasing the thickness of the upper shell 110 and ultimately increasing the volume of the upper shell 110. Therefore, by arranging the first docking portion 112 at intervals in the horizontal direction of the window 111, the height space of the upper shell 110 can be utilized to the maximum extent, minimizing the volume of the upper and lower shells 120.
[0050] Further, the second docking portion 121 is also provided with a groove 122 for installing a sealing ring.
[0051] In this embodiment, by arranging a sealing ring in the groove 122, the upper shell 110 and the lower shell 120 can be effectively sealed when connected, preventing water vapor from entering the interior of the housing 100.
[0052] Further, the lidar overall structure 10 further includes a rotary mirror 500. The rotary mirror 500 is arranged inside the housing 100, and the upper shell 110 is provided with a window pane 400, and the rotary mirror 500 faces the window pane 400.
[0053] In this embodiment, by making the rotary mirror 500 face the window pane 400, the horizontal field of view angle and the vertical field of view angle of the lidar overall structure 10 can be satisfied to the greatest extent.
[0054] Further, the lidar overall structure 10 further includes a support member 600. The support member 600 is arranged on the lower shell 120 and is used to support the rotary mirror 500 to make the height of the rotary mirror 500 appropriate and make the center horizontal line of the rotary mirror 500 coincide with the center line of the vertical field of view angle (such as Figure 2 the dashed line shown).
[0055] In this embodiment, the rotary mirror 500 generally needs to be as close as possible to the window pane 400 to meet the maximum field of view angle requirements. The horizontal field of view angle is as shown in Figure 1 and is the maximum scannable angle in its horizontal direction, and the vertical field of view angle is as shown in Figure 2 and is the maximum scannable angle in its vertical direction.
[0056] When the distance between the rotary mirror 500 and the window pane 400 is already determined, by making the center horizontal line of the rotary mirror 500 coincide with the center line of the vertical field of view angle, that is, making the rotary mirror 500 parallel to the window pane 400, the vertical field of view angle requirements can be met, and the height space of the upper shell 110 can be utilized to the maximum extent.
[0057] Furthermore, the overall structure 10 of the lidar also includes a heating element. A window 400 is provided on the upper housing 110, and the heating element is horizontally arranged on the window 400.
[0058] In this embodiment, by arranging a horizontally extending heating element on the window 400, the motors for connecting the heating element can be arranged at the left and right ends of the upper housing 110, so that the height space can be not occupied, and thus the height space can be utilized to the maximum extent.
[0059] In summary, the present utility model provides an overall structure 10 of a lidar. By attaching the heat dissipation element 300 to the electrical component 200, it is ensured that the heat exchange area between the heat dissipation element 300 and the electrical component 200 is large, so that the heat dissipated by the electrical component 200 can be effectively and quickly conducted to the heat dissipation element 300. Moreover, the heat dissipation element 300 is also connected to the upper and lower housings 120. Therefore, after receiving the heat of the electrical component 200, the heat dissipation element 300 quickly conducts the heat to the upper and lower housings 120, with a short heat dissipation path, thus having a good heat dissipation effect, and no additional heat dissipation components need to be added, avoiding an increase in the volume of the housing 100 and effectively controlling the production cost.
[0060] The foregoing is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. For those skilled in the art, various modifications and changes can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A laser radar system architecture, characterized in that: include: A housing, the housing comprising an upper housing and a lower housing connected to each other, wherein the upper housing and the lower housing form a mounting chamber; an electrical component, the electrical component being disposed in the installation chamber; A heat sink is attached to the electrical component and connected to the upper shell and / or the lower shell.
2. The laser radar system architecture according to claim 1, characterized in that: The electrical components include a power supply mainboard, a control mainboard and a circuit board, wherein the power supply mainboard, the control mainboard and the circuit board are electrically connected via wires, the power supply mainboard, the control mainboard and the circuit board are all arranged in the installation cavity, and the heat sink is attached to at least one of the power supply mainboard, the control mainboard and the circuit board.
3. The laser radar system architecture according to claim 2, characterized in that: The heat sink comprises a first heat sink block, which is attached to the control mainboard and at least partially connected to the upper shell, and at least another part is connected to the lower shell.
4. The laser radar system architecture according to claim 2 or 3, characterized in that: The heat sink also includes a second heat sink block, which is attached to the circuit board and at least partially connected to the upper shell, and at least another part is connected to the lower shell.
5. The laser radar system architecture according to claim 1, characterized in that: The upper shell and the lower shell are both wedge-shaped, and the upper shell and the lower shell are detachably connected.
6. The laser radar system architecture according to claim 5, characterized in that: The upper shell is provided with a window and a first docking portion, the window is used to install the window sheet, the first docking portion and the window are arranged horizontally with an interval, and the lower shell is provided with a second docking portion, the first docking portion is connected to the second docking portion.
7. The laser radar system architecture according to claim 6, characterized in that: The second docking portion is further provided with a groove, and the groove is used for installing a sealing ring.
8. The laser radar system architecture according to claim 1, characterized in that: The laser radar overall architecture also includes a rotating mirror, which is arranged in the shell. The upper shell is provided with a window piece, and the rotating mirror is opposite to the window piece.
9. The laser radar system architecture according to claim 8, characterized in that: The central horizontal line of the rotating mirror coincides with the central line of the vertical field of view angle.
10. The laser radar system architecture according to claim 1, characterized in that: The laser radar overall structure also includes a heating element, the upper shell is provided with a window piece, and the heating element is arranged on the window piece along the horizontal direction.