Laser radar
By simplifying the lidar structure and optimizing the heat dissipation design, the existing lidar has been solved, lightweight and efficient heat dissipation are achieved, and the outdoor surveying capabilities of lidar are improved.
Patent Information
- Application Number
- CN202421294453.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The existing lidar has complex structure, heavy weight, poor heat dissipation effect, and window glass is not easy to install, resulting in low survey efficiency and difficult to survey outdoors for a long time.
Simplify the lidar structure, adopting a metal body, internal heat dissipation block and peripheral heat dissipation strip. The window glass is positioned with the bracket and cover plate through limiting grooves, which is easy to install, enhance the heat dissipation effect and reduce weight.
It realizes lightweight and efficient heat dissipation of lidar, simplifies the installation process of window glass, extends the outdoor survey time, and improves survey efficiency.
Smart Images
Figure CN223155225U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of radar, in particular to a lidar. Background Art
[0002] A lidar is a radar system that detects the position, speed and other characteristic quantities of a target by emitting laser beams. Its working principle is to emit a detection signal (laser beam) through the window glass to the target, and then compare the received signal (target echo) reflected from the target with the emitted signal. After appropriate processing, the coordinates and image information of the target can be obtained, so as to truly reflect the surface conditions.
[0003] In the prior art, in order to facilitate the survey of terrain, a lidar is generally mounted on an unmanned aerial vehicle (UAV). The existing lidar has a relatively complex overall structure, a heavy weight and a poor heat dissipation effect. At the same time, the window glass is not easy to install, which is not conducive to the lidar being mounted on the UAV for long-term outdoor survey work, resulting in a low survey efficiency. Summary of the Utility Model
[0004] The purpose of the utility model is to provide a lidar, which simplifies the structure, reduces the overall weight, improves the heat dissipation effect, is easy to install the window glass, is conducive to extending the outdoor survey time of the lidar, and improves the survey efficiency.
[0005] To achieve the above purpose, the utility model provides a lidar, which comprises a fuselage, a bracket, a window glass and a cover plate;
[0006] A laser and a control main board are arranged inside the fuselage. A first heat dissipation block is arranged between the inner wall of the fuselage and the laser, a second heat dissipation block is arranged between the inner wall of the fuselage and the control main board, and heat dissipation strips are arranged on the outer wall of the fuselage;
[0007] The front end of the fuselage is fixedly connected with the bracket. A scanning window is formed on the bracket. A first limiting groove for installing and positioning one end of the window glass is formed at one end of the bracket close to the fuselage. The cover plate is sleeved on the other end of the bracket. A second limiting groove for installing and positioning the other end of the window glass is formed on the cover plate.
[0008] Furthermore, a front cover and a rear cover are further included. The front cover is fixedly arranged at the front end of the cover plate. A logo is arranged on the front cover. The rear cover is fixedly arranged at the rear end of the fuselage. A USB interface is arranged on the rear cover.
[0009] Furthermore, an external camera interface and fixing screw holes are further arranged on the rear cover.
[0010] Furthermore, reinforcing ribs are arranged on the bracket close to the scanning window.
[0011] Furthermore, a connecting part for mounting with external devices is also provided at the top of the fuselage.
[0012] Furthermore, a concave surface is circumferentially provided on the outer wall of the fuselage.
[0013] Furthermore, the first limiting groove and the second limiting groove are filled with adhesive.
[0014] Furthermore, an indicator light for displaying the working state is provided on the fuselage.
[0015] Furthermore, a camera is also provided on the fuselage.
[0016] Compared with the prior art, the lidar in an embodiment of the present invention has the following beneficial effects: It includes a fuselage, a bracket, a window glass, and a cover plate. A laser and a control main board are provided inside the fuselage. A first heat sink and a second heat sink are provided, and heat dissipation strips are provided on the outer wall of the fuselage, which is beneficial to the heat dissipation of the laser and the control main board and the fuselage, and the heat dissipation effect is better. At the same time, the overall structure of the lidar is relatively simple, the weight is reduced, which is beneficial for the UAV to carry. In addition, the window glass is located between the window bracket and the cover plate. The bracket is provided with a first limiting groove for installing and positioning one end of the window glass, and the cover plate is provided with a second limiting groove for installing and positioning the other end of the window glass, which is convenient for the installation and positioning of the window glass, beneficial to extending the survey time of the lidar outdoors and improving the survey efficiency. Description of the Drawings
[0017] Figure 1 is a schematic structural diagram of the lidar in an embodiment of the present invention;
[0018] Figure 2 is an installation schematic diagram of the window glass of the lidar in an embodiment of the present invention;
[0019] Figure 3 is a right view of the lidar in an embodiment of the present invention;
[0020] Figure 4 is an installation schematic diagram of the laser of the lidar in an embodiment of the present invention;
[0021] Figure 5 is a bottom view of the lidar in an embodiment of the present invention;
[0022] Figure 6 is a left view of the lidar in an embodiment of the present invention.
[0023] In the figure, 1 is the fuselage; 11 is the heat dissipation strip; 12 is the connecting part; 13 is the concave surface; 14 is the indicator light; 15 is the camera; 2 is the bracket; 21 is the first limiting groove; 22 is the reinforcing rib; 3 is the window glass; 4 is the cover plate; 41 is the second limiting groove; 5 is the laser; 51 is the first heat dissipation block; 6 is the control main board; 61 is the second heat dissipation block; 7 is the front cover; 8 is the rear cover, 81 is the USB interface; 82 is the external camera interface; 83 is the fixing screw hole. Detailed implementation manners
[0024] The following combines the drawings and embodiments to further describe in detail the specific implementation manners of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.
[0025] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "inner", "outer", etc. in the present utility model is based on the positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the devices and elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model.
[0026] In the description of the present utility model, it should be understood that the terms "first", "second", etc. in the present utility model are used to describe various information, but these information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present utility model, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information.
[0027] As Figure 1 shown, a lidar in a preferred embodiment of the present utility model, in order to simplify the overall structure, refer to Figures 1 to 6, including a fuselage 1, a bracket 2, a window glass 3, and a cover plate 4; among them, a laser 5 and a control main board 6 are provided inside the fuselage 1, and components such as a laser receiver are provided on the control main board 6 to realize the basic functions of the lidar, which will not be elaborated here. Further, in order to improve the heat dissipation performance of the laser 5 and the control main board 6 and improve the heat dissipation efficiency between the inside of the fuselage 1 and the outside, a first heat dissipation block 51 is provided between the inner wall of the fuselage 1 and the laser 5, and a second heat dissipation block 61 is provided between the inner wall of the fuselage 1 and the control main board 6. The fuselage 1 is generally made of a metal material, and heat dissipation strips 11 are provided on the outer wall of the fuselage 1. The first heat dissipation block 51 is used to transfer the heat generated by the laser 5 to the fuselage 1, and heat is quickly exchanged with the outside through the heat dissipation strips 11 on the outer wall of the fuselage 1. Similarly, the second heat dissipation block 61 is used to transfer the heat generated by the control main board 6 to the fuselage 1, and heat is quickly exchanged with the outside through the heat dissipation strips 11 on the outer wall of the fuselage 1. In order to facilitate the installation of the window glass 3, a bracket 2 is fixedly connected to the front end of the fuselage 1. Among them, in order to facilitate the laser beam emitted by the laser 5 to be emitted, a scanning window is opened on the bracket 2. After the window glass 3 is installed, the beam emitted by the laser 5 passes through the window glass 3 through the scanning window. In order to facilitate the installation of the window glass 3 and at the same time facilitate the limit during installation, a first limit groove 21 for installing and positioning one end of the window glass 3 is opened at one end of the bracket 2 close to the fuselage 1. At the same time, a cover plate 4 is sleeved on the other end of the bracket 2, and a second limit groove for installing and positioning the other end of the window glass 3 is opened on the cover plate 4. That is, the window glass 3 is clamped between the bracket 2 and the cover plate 4 after installation. Specifically, the fuselage 1 and the bracket 2 are fixedly connected by screws.
[0028] Further, in this embodiment, refer to Figure 1 , Figure 5 , the lidar further includes a front cover 7 and a rear cover 8. Among them, the front cover 7 is fixedly provided at the front end of the cover plate 4. In order to facilitate the display of the brand, refer to Figure 6 , a logo is provided on the front cover 7. In order to further improve the overall heat dissipation effect of the lidar, the front cover 7 is made of a metal material, and heat dissipation strips 11 are also provided on the front cover 7 for the lidar to dissipate heat. In order to facilitate the copying of information inside the lidar, a rear cover 8 is fixedly provided at the rear end of the fuselage 1. Refer to Figure 1 , a USB interface 81 is provided on the rear cover 8, and the USB interface 81 is electrically connected to the control main board 6. Even further, in order to facilitate the connection with an external camera and improve the image quality of the lidar, refer to Figure 3 , an external camera interface 82 and a fixing screw hole 83 are also provided on the rear cover 8. Among them, the external camera interface 82 is used to electrically connect the external camera and the control main board 6, and the fixing screw hole 83 is used to install the external camera on the lidar. The external camera interface 82 and the fixing screw hole 83 can be set according to different models of external cameras.
[0029] Further, in order to enhance the structural strength of the installation position of the window glass 3, avoid deformation of the scanning window structure, damage to the window glass 3, and enhance the structural strength, refer to Figure 2 , a reinforcing rib 22 is provided on the bracket 2 near the scanning window.
[0030] Further, in this embodiment, in order to facilitate the connection between the lidar and external devices (such as drones and other devices), refer to Figure 3 , a connection part 12 for installing with external devices is also provided at the top of the fuselage 1, and its connection method can be adjusted according to the reserved installation structure on the drone. Further, in this embodiment, in order to facilitate the hand-held operation of the entire lidar, a concave surface 13 is provided on the outer wall circumference of the fuselage 1 to increase the contact area between the fuselage 1 and the palm and increase the friction force.
[0031] Furthermore, in this embodiment, in order to prevent the window glass 3 from moving after installation, an adhesive is filled in the first limiting groove 21 and the second limiting groove 41 to enhance the connection strength between the window glass 3, the bracket 2, and the cover plate 4.
[0032] In some embodiments, refer to Figure 5 , in order to facilitate the judgment of the working state of whether the lidar performs scanning work, an indicator light 14 for displaying the working state is provided on the fuselage 1. At the same time, in order to facilitate the transmission of real-time image information, a camera 15 is also provided on the fuselage 1. As shown in Figure 5 , the camera 15 and the indicator light 14 are located on the same installation plane.
[0033] In summary, the embodiment of the present utility model provides a lidar, which includes a fuselage 1, a bracket 2, a window glass 3, and a cover plate 4. A laser 5 and a control main board 6 are provided inside the fuselage 1. A first heat sink 51 and a second heat sink 61 are provided, and heat dissipation strips 11 are provided on the outer wall of the fuselage 1, which is beneficial to the heat dissipation of the laser 5 and the control main board 6 from the fuselage 1, and the heat dissipation effect is good. At the same time, the overall structure of the lidar is relatively simple, the weight is reduced, which is beneficial to the drone to carry. In addition, the window glass 3 is located between the window bracket 2 and the cover plate 4. The bracket 2 is provided with a first limiting groove 21 for installing and positioning one end of the window glass 3, and the cover plate 4 is provided with a second limiting groove for installing and positioning the other end of the window glass 3, which is convenient for the installation and positioning of the window glass 3, beneficial to extend the survey time of the lidar outdoors, and improve the survey efficiency.
[0034] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and replacements can be made, and these improvements and replacements should also be regarded as the protection scope of the present utility model.
Claims
1. A lidar, characterized in that: It includes a fuselage, a bracket, a window glass, and a cover plate; A laser and a control main board are provided inside the fuselage. A first heat sink is provided between the inner wall of the fuselage and the laser, a second heat sink is provided between the inner wall of the fuselage and the control main board, and heat dissipation strips are provided on the outer wall of the fuselage; The front end of the fuselage is fixedly connected with the bracket. A scanning window is opened on the bracket. A first limiting groove for installing and positioning one end of the window glass is opened at one end of the bracket close to the fuselage. The cover plate is sleeved on the other end of the bracket. A second limiting groove for installing and positioning the other end of the window glass is opened on the cover plate.
2. The lidar according to claim 1, wherein: It also includes a front cover and a rear cover. The front cover is fixedly provided at the front end of the cover plate. A logo is provided on the front cover. The rear cover is fixedly provided at the rear end of the fuselage. A USB interface is provided on the rear cover.
3. The lidar according to claim 2, characterized in that: An external camera interface and fixing screw holes are also provided on the rear cover.
4. The lidar according to claim 1, wherein: Reinforcing ribs are provided on the bracket close to the scanning window.
5. The lidar according to claim 1, wherein: A connecting part for installing with external devices is also provided on the top of the fuselage.
6. The lidar according to claim 1, wherein: An inner concave surface is provided circumferentially on the outer wall of the fuselage.
7. The lidar according to claim 1, characterized in that: The first limiting groove and the second limiting groove are filled with adhesives.
8. The lidar according to claim 1, characterized in that: An indicator light for displaying the working state is provided on the fuselage.
9. The lidar according to claim 1, wherein: A camera is also provided on the fuselage.