CN217305525U - Laser radar heat radiation structure and laser radar - Google Patents
Laser radar heat radiation structure and laser radar Download PDFInfo
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- CN217305525U CN217305525U CN202220065614.8U CN202220065614U CN217305525U CN 217305525 U CN217305525 U CN 217305525U CN 202220065614 U CN202220065614 U CN 202220065614U CN 217305525 U CN217305525 U CN 217305525U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model provides a laser radar heat radiation structure and laser radar belongs to laser radar technical field, and wherein laser radar heat radiation structure includes the ventilation passageway, and on the motor installation module was seted up to the ventilation passageway, the air intake of ventilation passageway was towards the inboard rotating prism module of motor installation module, and the air outlet of ventilation passageway is towards the master control power module in the motor installation module outside. The utility model provides a laser radar heat radiation structure, ventilation channel sets up on the motor installation module between rotating prism module and the master control power module for the space outside the master control power module communicates with the space of motor installation module inboard; rotatory prism module is rotatory with the help of the motor at the during operation, and the air that flows carries out heat convection with the help of ventilation passageway and main control power module air on every side, gives off the heat of main control power module to the surrounding environment in, under the condition that does not increase structure complexity and processing cost, reaches quick, high-efficient radiating purpose.
Description
Technical Field
The utility model belongs to the technical field of laser radar, more specifically say, relate to laser radar heat radiation structure and laser radar.
Background
With the rising application of the laser radar in automatic driving, the laser radar needs to process more and more environmental data, and the generated heat consumption is larger and larger. The vehicle-mounted laser radar mainly comprises a master control power supply module, a motor installation module and a rotary prism module, wherein the rotary prism module is positioned in the motor installation module in the working process and is driven to rotate by a motor so as to transmit and receive laser signals. Because the vehicle-mounted laser radar requires the protection level of IP67 or even IP69, the main control power supply module is provided with a heating device, and is in a closed environment, and active heat dissipation modes such as a fan and the like are almost impossible.
At present, the commonly used heat dissipation scheme in the industry is that heat dissipation teeth are arranged around a device with higher heat consumption, heat generated by the device is transferred to the structure of the heat dissipation teeth in a heat conduction mode, and the heat dissipation area is increased by increasing the number of the heat dissipation teeth, so that the space for arranging the device on a circuit board is compressed, the size and the weight of the structure are greatly increased, and the heat conduction efficiency is not high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a laser radar heat radiation structure and laser radar aims at improving the radiating efficiency of laser radar device that generates heat.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a laser radar heat dissipation structure, including:
the ventilation channel is arranged on the motor installation module, the air inlet of the ventilation channel faces towards the rotating prism module on the inner side of the motor installation module, and the air outlet of the ventilation channel faces towards the main control power supply module on the outer side of the motor installation module.
As another embodiment of the present application, the ventilation channel includes a plurality of ventilation holes arranged at intervals.
As another embodiment of the present application, a plurality of the ventilation holes are horizontally spaced.
As another embodiment of this application, the ventilation hole is rectangular shape, the length direction of the cross-section that overflows in ventilation hole with the direction of height of motor installation module is unanimous.
As another embodiment of this application, the air outlet orientation in ventilation hole the master control power module is close to the device that generates heat of motor installation module one side, the length of the cross-section that overflows in ventilation hole is greater than the fore-and-aft length of the device that generates heat.
As another embodiment of this application, the cross-section of overflowing of ventilation hole is perpendicular to the pivot of rotatory prism module with the line of generating heat the device.
The utility model provides a laser radar heat radiation structure's beneficial effect lies in: compared with the prior art, the laser radar heat dissipation structure has the advantages that the ventilation channel is formed in the motor installation module between the rotating prism module and the master control power supply module, and the space outside the master control power supply module is communicated with the space inside the motor installation module; the inboard at motor installation module is installed to the rotating prism module, and the rotating prism module is rotatory with the help of the motor at the during operation, and the air around the disturbance flows during rotation, and the air that flows carries out heat convection with the help of the air around ventilation channel and the main control power module, gives off the heat of main control power module to the surrounding environment in, under the condition that does not increase structure complexity and processing cost, reaches quick, high-efficient radiating purpose.
The utility model also provides a laser radar, including master control power module, motor installation module, rotating prism module, and foretell laser radar heat radiation structure.
The utility model provides a laser radar's beneficial effect lies in: compared with the prior art, the laser radar heat dissipation structure has the advantages of having all beneficial effects and achieving the purpose of rapid and efficient heat dissipation under the condition of not increasing the structural complexity and the processing cost.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a laser radar heat dissipation structure provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a motor installation module according to an embodiment of the present invention.
In the figure: 1. a master control power supply module; 2. a heat generating device; 3. a motor mounting module; 4. rotating the prism module; 5. a vent hole.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and fig. 2, a laser radar heat dissipation structure according to the present invention will now be described. Laser radar heat radiation structure, including the ventilation passageway, the ventilation passageway is seted up on motor installation module 3, and the air intake of ventilation passageway is towards motor installation module 3 inboard rotating prism module 4, and the air outlet of ventilation passageway is towards the master control power module 1 in the motor installation module 3 outside.
Compared with the prior art, the laser radar heat dissipation structure provided by the utility model has the advantages that the ventilation channel is arranged on the motor installation module 3 between the rotating prism module 4 and the main control power module 1, one side port of the ventilation channel faces the rotating prism module 4 at the inner side of the motor installation module 3, and the other side port faces the main control power module 1 at the outer side of the motor installation module 3, so that the space at the outer side of the main control power module 1 is communicated with the space at the inner side of the motor installation module 3; rotating prism module 4 is located motor installation module 3's inboard space, rotating prism module 4 is rotatory with the help of the motor at the during operation, the air around the disturbance flows during the rotation, the air that flows carries out heat convection with the help of ventilation channel and the air around the main control power module 1, give off main control power module 1's heat to the surrounding environment in, under the condition that does not increase structure complexity and processing cost, reach quick, high-efficient radiating purpose.
In some possible embodiments, referring to fig. 2, the ventilation channel comprises a plurality of ventilation holes 5 arranged horizontally at intervals. The rotating shaft of the rotating prism module 4 is arranged longitudinally, and is connected with the output end of a motor on the motor mounting module 3; the rotary prism module 4 rotates horizontally about a rotation axis, and the direction of air flow generated by the rotary prism module is mainly horizontal. The 5 horizontal intervals in ventilation hole set up, have increased ventilation channel's total damming area, have improved the air flow efficiency, have guaranteed simultaneously that motor installation module 3's intensity is not influenced.
Specifically, the vent hole 5 is a long strip, and the length direction of the overcurrent section of the vent hole 5 is consistent with the height direction of the motor installation module 3. The motor installation module 3 is longitudinally arranged, the motor is arranged at the upper end of the motor installation module 3, and the output end of the motor is connected with the rotating prism module 4 in the motor installation module 3 and drives the rotating prism module 4 to horizontally rotate around the output end of the motor; the rotating prism module 4 includes a plurality of prisms rotating around a rotation axis, and is installed in the motor installation module 3 in a longitudinal direction, and the length direction thereof is a longitudinal direction. The length direction that overflows the cross-section of ventilation hole 5 of rectangular shape is unanimous with motor installation module 3's direction of height, and the length direction that overflows the cross-section of ventilation hole 5 promptly is unanimous with the length direction of rotatory prism module 4 to the air flow of the rotatory disturbance of adaptation prism, the air of being convenient for in the motor installation module 3 and the air flow of 1 one side of main control power module improve air heat exchange efficiency, reduce the kinetic energy loss of air.
Specifically, the air outlet of the ventilation hole 5 faces the main control power module 1 and is close to the heating device 2 on one side of the motor installation module 3, and the length of the overcurrent section of the ventilation hole 5 is larger than the longitudinal length of the heating device 2. The heating device 2 on the main control power module 1 is the main heat source, and the length of the cross-section that overflows of ventilation hole 5 is greater than the longitudinal length of the heating device 2, and the cross-section that overflows that forms the ventilation channel by a plurality of ventilation holes 5 wholly covers the lateral wall of the heating device 2, improves the heat transfer effect. Optionally, the total width of the flow cross section of the ventilation channel composed of the plurality of ventilation holes 5 is larger than the width of the heat generating device 2.
Specifically, the flow cross section of the vent 5 is perpendicular to the connection line between the rotating shaft of the rotating prism module 4 and the heating device 2. The 4 disturbance air of rotating prism module produces the forced convection current, for the improvement gets into the amount of wind around the device 2 that generates heat, sets up ventilation hole 5 in the one side that motor installation module 3 is close to the device 2 that generates heat, and ventilation hole 5 slope is seted up, makes the line of the cross-section perpendicular to rotating prism module 4 that overflows of ventilation hole 5 and the device 2 that generates heat. The wind blown out from the ventilation holes 5 can be directly blown onto the heat generating device 2.
In some possible embodiments, referring to fig. 2, the motor mounting module 3 includes a motor mounting bracket, the motor mounting bracket includes a mounting portion and a protection portion located at a lower end of the mounting portion, the protection portion is located between the main control power module 1 and the rotary prism module 4, and the protection portion is plate-shaped; the vent hole 5 is opened in the guard portion.
The protection part encloses the outside of establishing at rotating prism module 4, and isolated main control power module 1 and rotating prism module 4, on ventilation hole 5 seted up in the protection part, and ventilation hole 5's overcurrent area is greater than the area that generates heat of device 2 that generates heat.
Specifically, the protection portion is arc plate-shaped, and the vent hole 5 is arranged at an included angle with the radial direction of the protection portion. Protection portion and the coaxial setting of the rotation axis of prism, the cross-section perpendicular to rotation axis and the line that generates heat device 2 of overflowing of the ventilation hole 5 of seting up in the protection portion, the cross-section that overflows of ventilation hole 5 is the contained angle setting with the lateral wall of protection portion, causes ventilation channel's air outlet orientation to generate heat device 2 to reach the best radiating effect.
Referring to fig. 1 and fig. 2, a laser radar according to the present invention will now be described. Laser radar including master control power module 1, motor installation module 3, rotating prism module 4 to and foretell laser radar heat radiation structure.
The utility model provides a laser radar compares with prior art, has contained above-mentioned laser radar heat radiation structure, has all beneficial effects that it has, can realize under the condition that does not increase structure complexity and processing cost, reaches quick, high-efficient radiating purpose.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (7)
1. A laser radar heat radiation structure, characterized by, includes:
the ventilation channel is arranged on the motor installation module (3), the air inlet of the ventilation channel faces towards the rotating prism module (4) on the inner side of the motor installation module (3), and the air outlet of the ventilation channel faces towards the main control power supply module (1) on the outer side of the motor installation module (3).
2. Lidar heat dissipation structure according to claim 1, wherein said ventilation channel comprises a plurality of ventilation holes (5) arranged at intervals.
3. The lidar heat dissipation structure of claim 2, wherein a plurality of the vent holes (5) are horizontally spaced.
4. The lidar heat dissipation structure of claim 3, wherein the vent hole (5) has a strip shape, and a length direction of an overcurrent cross section of the vent hole (5) is identical to a height direction of the motor mounting module (3).
5. The lidar heat dissipation structure of claim 4, wherein an air outlet of the ventilation hole (5) faces the heat generating device (2) on the side of the main control power supply module (1) close to the motor mounting module (3), and the length of the over-current cross section of the ventilation hole (5) is greater than the longitudinal length of the heat generating device (2).
6. The lidar heat dissipation structure of claim 5, wherein the flow cross section of the vent (5) is perpendicular to the line connecting the rotation axis of the rotating prism module (4) and the heat generating device (2).
7. A lidar comprising a master power module (1), a motor mounting module (3), a rotating prism module (4), and the lidar heat dissipation structure of any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220065614.8U CN217305525U (en) | 2022-01-11 | 2022-01-11 | Laser radar heat radiation structure and laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220065614.8U CN217305525U (en) | 2022-01-11 | 2022-01-11 | Laser radar heat radiation structure and laser radar |
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| Publication Number | Publication Date |
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| CN217305525U true CN217305525U (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220065614.8U Active CN217305525U (en) | 2022-01-11 | 2022-01-11 | Laser radar heat radiation structure and laser radar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115598619A (en) * | 2022-11-08 | 2023-01-13 | 北醒（北京）光子科技有限公司（Cn） | Laser radar |
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2022
- 2022-01-11 CN CN202220065614.8U patent/CN217305525U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115598619A (en) * | 2022-11-08 | 2023-01-13 | 北醒（北京）光子科技有限公司（Cn） | Laser radar |
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