CN217932052U - Vehicle-mounted laser radar's heat abstractor and vehicle - Google Patents
Vehicle-mounted laser radar's heat abstractor and vehicle Download PDFInfo
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- CN217932052U CN217932052U CN202221290692.4U CN202221290692U CN217932052U CN 217932052 U CN217932052 U CN 217932052U CN 202221290692 U CN202221290692 U CN 202221290692U CN 217932052 U CN217932052 U CN 217932052U
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Abstract
The utility model belongs to the technical field of new energy vehicle thermal management and electronic electrical thermal management, in particular to a vehicle-mounted laser radar heat dissipation device and a vehicle, which comprises a heat absorption unit; a heat dissipation unit; a heat conduction module. The heat dissipation device can transfer heat on the laser radar to the vehicle body or air in the vehicle body, and can effectively dissipate heat for the laser radar by using low temperature in the vehicle, thereby ensuring that the laser radar keeps safe working temperature, avoiding the failure of the laser radar due to high-temperature protection, and improving the safety and reliability of the intelligent electric vehicle; additionally, the utility model discloses utilize the heat conduction module to transmit the heat between heat absorption unit and the radiating element, the form of arranging of heat conduction module can carry out nimble adjustment according to laser radar's mounting means, and the radiating effect does not receive laser radar installation gesture's influence, has improved heat abstractor's practicality.
Description
Technical Field
The utility model belongs to the technical field of new forms of energy car heat management, the electric thermal management of electron, concretely relates to on-vehicle laser radar's heat abstractor and vehicle.
Background
The laser radar is an important component of an automatic driving vehicle sensor, distance measurement and speed measurement are realized by adopting laser transceiving, wherein a laser transmitting component is high in power density and large in heat productivity, particularly the temperature of the surface of a laser radar shell can reach 110 ℃ after parking and exposure in summer, the junction temperature protection temperature of a laser radar photosensitive chip is generally 130 ℃, the heat dissipation power is about 15W, and the laser radar chip has the risk of over-temperature protection under the working condition. In the existing heat dissipation method of the laser radar, elements such as a transmitting light source and a photosensitive element are arranged on a pcb, and the pcb and a radar shell are cooled through heat-conducting silica gel or a gasket. The heat dissipation structure of the laser radar has no risk of overheating the chip in the single body environment. However, laser radar is under whole car environment, and the radar casing generally can encapsulate inside the radar housing, for avoiding rainwater or water invasion operating modes such as carwash, adopt full seal structure between radar housing and the laser radar casing, be the not mobile air of one deck between radar casing to the housing like this, the air temperature around the operating mode radar organism of insolating in summer can reach 110 ℃, some laser radar's heat source is concentrated on radar organism top, can't be through base with heat transfer to automobile body panel beating, the radar during operation causes heat accumulation easily. Laser radar generally arranges in the roof position and has the housing protection, and the air can not have the heat convection with the external world around the radar organism, only can dispel the heat through the heat-conduction mode, consequently needs the heat dissipation solution of low volatility, high heat conduction.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, the present invention is directed to a heat dissipation device for a vehicle-mounted laser radar and a vehicle, which can improve the heat dissipation efficiency.
For realizing above-mentioned purpose and other relevant purposes, the utility model provides a vehicle-mounted laser radar's heat abstractor, vehicle-mounted laser radar installs in the automobile body panel beating outside, include:
the heat absorption unit is adapted to a heating area of the vehicle-mounted laser radar so as to absorb heat generated by the vehicle-mounted laser radar;
the heat dissipation unit is arranged on a metal plate of the vehicle body or the inner side of the vehicle body so as to enable heat on the heat dissipation unit to be conducted to the metal plate of the vehicle body or air in the vehicle;
and the heat conduction module is connected between the heat absorption unit and the heat dissipation unit so as to conduct the heat of the heat absorption unit to the heat dissipation unit.
In an optional embodiment of the utility model, the heat conduction module includes the heat pipe, the heat pipe includes tube and imbibition core, the imbibition core is made by capillary porous material, the imbibition core fill in the tube, the sealed setting of tube end, it has heat-conducting medium to fill in the tube.
In an optional embodiment of the present invention, the heat conducting module further includes a heat exchanging module; the heat pipe is divided into a first heat pipe and a second heat pipe, wherein the first heat pipe is connected between the heat absorption unit and the heat exchange module, and the second heat pipe is connected between the heat exchange module and the heat dissipation unit.
In an optional embodiment of the present invention, the heat absorbing unit includes a first evaporating plate, the heat exchanging module includes a first condensing plate, one end of the first heat pipe is attached to the first evaporating plate, and the other end of the first heat pipe is attached to the first condensing plate.
In an optional embodiment of the present invention, the heat exchange module further includes a second evaporation plate, the second evaporation plate is attached to the first condensation plate, the heat dissipation unit includes a second condensation plate, one end of the second heat pipe is attached to the second evaporation plate, and the other end of the second heat pipe is attached to the second condensation plate.
The utility model discloses an in an optional embodiment, first evaporating plate with vehicle-mounted lidar's top surface laminating, heat exchange module is located vehicle-mounted lidar's bottom, first heat pipe bending to U type, with connect first evaporating plate with first condensing plate.
In an optional embodiment of the present invention, at least two of the first heat pipe and the second heat pipe are respectively provided.
In an optional embodiment of the present invention, each of the first heat pipes is arranged in parallel; and the sections, attached to the second condensation plates, of the second heat pipes are radially and uniformly distributed on the second condensation plates.
In an optional embodiment of the present invention, a heat conductive silica gel is disposed between the first evaporation plate and the vehicle-mounted laser radar and/or between the first condensation plate and the second evaporation plate.
To achieve the above objects and other related objects, the present invention also provides a vehicle, including:
the laser radar is installed on the outer side of the vehicle body metal plate;
the shell is detachably connected to the automobile body metal plate and is shielded outside the laser radar, and the shell is hermetically connected with the automobile body metal plate so that an engine body of the laser radar is arranged in a closed space; the shell is provided with a window, and a radar wave transmitting and receiving surface of the laser radar is exposed in the atmospheric environment through the window;
the heat absorption unit is adapted to a heating area of the vehicle-mounted laser radar so as to absorb heat generated by the vehicle-mounted laser radar;
the heat dissipation unit is arranged on a metal plate of the vehicle body or the inner side of the vehicle body so as to enable heat on the heat dissipation unit to be conducted to the metal plate of the vehicle body or air in the vehicle;
and the heat conduction module is connected between the heat absorption unit and the heat dissipation unit so as to conduct the heat of the heat absorption unit to the heat dissipation unit.
The technical effects of the utility model reside in that:
the utility model discloses a heat abstractor can be with in the heat transfer to automobile body or the air in the automobile body on the laser radar, and the automobile body is inside to be equipped with air conditioning system generally, no matter winter or summer, the temperature all is far below laser radar's operating temperature in the car, especially under the condition that summer sunlight insolate, heat abstractor can effectively utilize the low temperature in the car to dispel the heat for laser radar to guarantee that laser radar keeps safe operating temperature, avoid laser radar to become invalid because of high temperature protection, improve intelligent electric motor car's security and reliability; additionally, the utility model discloses utilize the heat conduction module to transmit the heat between heat absorption unit and the radiating element, the form of arranging of heat conduction module can carry out nimble adjustment according to laser radar's mounting means, and the radiating effect does not receive laser radar installation gesture's influence, has improved heat abstractor's practicality.
The utility model discloses utilize heat-conducting medium's gas-liquid conversion to realize thermal conduction, effectively improved heat abstractor's radiating efficiency.
The utility model discloses having divided into two independent parts with the heat conduction module, having carried out heat-conduction through heat transfer module again between two parts, one of them part is located the automobile body panel beating outside completely, and the heat absorption end of another part is located the automobile body panel beating outside, and the heat dissipation end is located the automobile body panel beating inboard, at installation heat abstractor's in-process, for example can be integrated as an organic whole with the part in the automobile body outside and laser radar, with another part pre-installed on the automobile body panel beating, can simplify the assembling process like this, improve assembly efficiency.
Laser radar in this embodiment installs on the roof panel beating, and laser radar's main heat source is located the laser radar top, and when the vehicle was in high temperature environment, this kind of arrangement hardly adopted traditional heat radiation structure to realize high-efficient heat dissipation, and the utility model discloses at first utilize first heat pipe to be conducted the heat at laser radar top to the second evaporating plate of laser radar bottom on, inside heat conduction to the automobile body through the second heat pipe with the second evaporating plate, utilize the low temperature air in the vehicle to cool down laser radar, effectively improved laser radar's radiating efficiency, in addition, the second evaporating plate sets up in the laser radar bottom, can absorb the heat in the all ring edge borders of laser radar to a certain extent, further improve radiating efficiency.
Drawings
Fig. 1 is a perspective view of a heat dissipation device of a vehicle-mounted laser radar according to an embodiment of the present invention;
fig. 2 is a schematic view of an assembled state of the vehicle-mounted laser radar and the heat dissipation device according to the embodiment of the present invention;
fig. 3 is a schematic view of an assembly structure of the vehicle-mounted laser radar and the vehicle body according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Referring to fig. 1 and 2, a heat dissipation device for a vehicle-mounted lidar, where the vehicle-mounted lidar 20 is mounted on an outer side of a vehicle body metal plate 30, and the heat dissipation device includes a heat absorption unit, a heat dissipation unit, and a heat conduction module.
Referring to fig. 1 and 2, the heat absorption unit is adapted to a heat generation area of the vehicle-mounted laser radar 20 to absorb heat generated by the vehicle-mounted laser radar 20; it will be appreciated that the heat absorbing unit should be made of a heat conducting material, which may be, for example, an aluminium alloy or copper.
Referring to fig. 1 and 2, the heat dissipation unit is mounted on a vehicle body metal plate 30 or on the inner side of a vehicle body, so that heat on the heat dissipation unit can be conducted to the vehicle body metal plate 30 or air in the vehicle; it is understood that the heat dissipation unit is also made of a heat conductive material, and in order to improve the heat dissipation effect, for example, the surface area of the heat dissipation unit may be increased as much as possible within a space-allowable range, and for example, the heat dissipation unit may be configured as an extended thin plate structure or a comb-shaped structure with a plurality of fins.
Referring to fig. 1 and 2, the heat conducting module is connected between the heat absorbing unit and the heat dissipating unit, so that heat of the heat absorbing unit is conducted to the heat dissipating unit; it can be understood that the heat conducting module is used for realizing heat conduction between the heat absorbing unit and the heat dissipating unit, and therefore the heat conducting module should have excellent heat conducting performance, and this kind of heat conduction can be realized by utilizing the heat conducting property of the material itself, for example, the heat absorbing unit and the heat dissipating unit are connected by adopting the heat conducting material, and likewise, the heat transfer can also be realized by utilizing the gas-liquid conversion process of the heat conducting medium, the following embodiments of the present invention will be described in detail for the heat conducting scheme in the form of gas-liquid conversion.
The utility model discloses a heat abstractor can be with in the heat transfer to automobile body or the air in the automobile body on the laser radar 20, and the automobile body is inside to be equipped with air conditioning system generally, no matter winter or summer, the temperature all is far less than laser radar 20's operating temperature in the car, especially under the condition that summer sunlight insolate, heat abstractor can effectively utilize the low temperature in the car to dispel the heat for laser radar 20 to guarantee that laser radar 20 keeps safe operating temperature, avoid laser radar 20 to become invalid because of high temperature protection, improve the security and the reliability of intelligent electric motor car; additionally, the utility model discloses utilize the heat conduction module to transmit the heat between heat absorption unit and the radiating element, the form of arranging of heat conduction module can carry out nimble adjustment according to laser radar 20's mounting means, and the radiating effect does not receive the influence of laser radar 20 installation gesture, has improved heat abstractor's practicality.
Referring to fig. 1, the heat conduction module includes a heat pipe, the heat pipe includes a pipe shell and a wick, the wick is made of a capillary porous material, the wick is filled in the pipe shell, an end of the pipe shell is sealed, and a heat conduction medium is filled in the pipe shell. In a specific embodiment, the wick can be made of asbestos, ceramic fiber or other materials with capillary porous structures, it can be understood that, the utility model provides a heat-conducting medium need not to adopt power drive, and liquid working medium can utilize capillary action to flow in the tube shell directionally, flows to the evaporation zone from the condensation zone promptly, and gaseous working medium can flow to the condensation zone from the evaporation zone through the capillary hole to realize heat-conducting medium's gas-liquid self-loopa flow, simplified equipment mechanism, reduced equipment cost. In practical applications, the heat transfer medium may be selected from common refrigerants, for example, and the specific components and operation principle of the refrigerants are not described herein. The utility model discloses utilize heat-conducting medium's gas-liquid conversion to realize thermal conduction, effectively improved heat abstractor's radiating efficiency. In one embodiment, the heat pipe may be evacuated to a negative pressure of 1.3 × (10-1 to 10-4) pa, for example, to improve the evaporation efficiency of the heat transfer medium.
Referring to fig. 1, the heat conducting module further includes a heat exchanging module; the heat pipes are divided into a first heat pipe 11 and a second heat pipe 14, wherein the first heat pipe 11 is connected between the heat absorption unit and the heat exchange module, and the second heat pipe 14 is connected between the heat exchange module and the heat dissipation unit. It can be understood that, the utility model discloses fall into two independent parts with the heat conduction module, carry out heat-conduction through heat transfer module again between two parts, one of them part is located the automobile body panel beating 30 outside completely, and the heat absorption end of another part is located the automobile body panel beating 30 outside, the heat dissipation end is located automobile body panel beating 30 inboard, at installation heat abstractor's in-process, for example, can be integrated as an organic whole with the part in the automobile body outside and laser radar 20, with another part pre-installation on automobile body panel beating 30, can simplify the assembling process like this, the assembly efficiency is improved.
Referring to fig. 1, in an embodiment, the heat absorbing unit includes a first evaporation plate 10, the heat exchanging module includes a first condensation plate 12, one end of the first heat pipe 11 is attached to the first evaporation plate 10, and the other end of the first heat pipe 11 is attached to the first condensation plate 12; the heat exchange module further comprises a second evaporation plate 13, the second evaporation plate 13 is attached to the first condensation plate 12, the heat dissipation unit comprises a second condensation plate 15, one end of the second heat pipe 14 is attached to the second evaporation plate 13, and the other end of the second heat pipe 14 is attached to the second condensation plate 15; first evaporating plate 10 with the laminating of the top surface of on-vehicle lidar 20, heat exchange module is located the bottom of on-vehicle lidar 20, first heat pipe 11 bends into the U type, in order to connect first evaporating plate 10 with first cold plate 12. It can be understood, laser radar 20 in this embodiment installs on the roof panel beating, and laser radar 20's main heat source is located laser radar 20 top, when the vehicle is in high temperature environment, and this kind of arrangement hardly adopts traditional heat radiation structure to realize high-efficient heat dissipation, and the utility model discloses at first utilize first heat pipe 11 to conduct the heat at laser radar 20 top to the second evaporating plate 13 of laser radar 20 bottom on, inside conducting the heat of second evaporating plate 13 to the automobile body through second heat pipe 14, utilize the low temperature air in the vehicle to cool down laser radar 20, effectively improved laser radar 20's radiating efficiency, in addition, second evaporating plate 13 sets up in laser radar 20 bottom, can absorb the heat in the all ring edge borders of laser radar 20 to a certain extent, further improve the radiating efficiency.
The utility model discloses the transfer process of well heat in the heat pipe is as follows:
(1) Heat is transferred from a heat source to a (liquid-vapor) interface through the wall of the heat pipe and a wick filled with a heat-conducting medium;
(2) The liquid evaporates at the (liquid-vapor) interface in the evaporation section;
(3) The steam in the steam cavity flows from the evaporation section to the condensation section;
(4) The steam condenses at the (vapor-liquid) interface in the condensation section;
(5) Heat is transferred from the (steam-liquid) interface to the cold source through the liquid absorption core, the heat conducting medium and the pipe wall;
(6) The condensed heat-conducting medium flows back to the evaporation section in the wick due to capillary action.
Referring to fig. 1, it can be understood that, in order to further improve the heat conduction efficiency, at least two first heat pipes 11 and at least two second heat pipes 14 are respectively provided, wherein each first heat pipe 11 is arranged in parallel, and a section of each second heat pipe 14 attached to the second condensation plate 15 is radially and uniformly distributed on the second condensation plate 15. And heat-conducting silica gel is arranged between the first evaporation plate 10 and the vehicle-mounted laser radar 20 and/or between the first condensation plate 12 and the second evaporation plate 13.
Referring to fig. 3, the present invention further provides a vehicle, it can be understood that the vehicle of the present invention particularly refers to a new energy vehicle, such as an intelligent driving vehicle, which includes a laser radar 20, a shell 40, a heat absorption unit, a heat dissipation unit and a heat conduction module.
The laser radar 20 is mounted on the outer side of the vehicle body metal plate 30 through a bracket 31; the shell 40 is detachably connected to the vehicle body metal plate 30 and is shielded outside the laser radar 20, and the shell 40 is hermetically connected with the vehicle body metal plate 30, so that a machine body of the laser radar 20 is arranged in a closed space; the housing 40 has a window 41, and the radar wave transmitting-receiving face 21 of the laser radar 20 is exposed to the atmospheric environment through the window 41; the heat absorption unit is adapted to a heating area of the vehicle-mounted laser radar 20 to absorb heat generated by the vehicle-mounted laser radar 20; the heat dissipation unit is arranged on a vehicle body metal plate 30 or the inner side of a vehicle body, so that heat on the heat dissipation unit can be conducted to the vehicle body metal plate 30 or air in the vehicle; the heat conduction module is connected between the heat absorption unit and the heat dissipation unit so that heat of the heat absorption unit is conducted to the heat dissipation unit. The utility model discloses can carry out high-efficient heat dissipation to on-vehicle laser radar 20, avoid laser radar 20 to become invalid because of high temperature protection, improve the security and the reliability of intelligent driving vehicle.
To sum up, the utility model discloses a heat abstractor can be with in the heat transfer to automobile body or the air in the automobile body on the laser radar 20, and the automobile body is inside to be equipped with air conditioning system generally, no matter winter or summer, the interior temperature of car all is far below laser radar 20's operating temperature, especially under the condition that summer sunlight insolate, heat abstractor can effectively utilize the interior low temperature of car to dispel the heat for laser radar 20 to guarantee that laser radar 20 keeps safe operating temperature, avoid laser radar 20 to become invalid because of high temperature protection, improve the security and the reliability of intelligent electric motor car; additionally, the utility model discloses utilize the heat conduction module to transmit the heat between heat absorption unit and the radiating element, the form of arranging of heat conduction module can carry out nimble adjustment according to laser radar 20's mounting means, and the radiating effect does not receive the influence of laser radar 20 installation gesture, has improved heat abstractor's practicality.
The utility model discloses utilize heat-conducting medium's gas-liquid conversion to realize thermal conduction, effectively improved heat abstractor's radiating efficiency.
The utility model discloses fall into two independent parts with the heat conduction module, carry out heat-conduction through heat transfer module again between two parts, one of them part is located the automobile body panel beating 30 outside completely, and the heat absorption end of another part is located the automobile body panel beating 30 outside, the heat dissipation end is located the automobile body panel beating 30 inboard, at installation heat abstractor's in-process, for example, can be integrated as an organic whole with the part in the automobile body outside and laser radar 20, preassemble another part on automobile body panel beating 30, can simplify the assembling process like this, the efficiency of assembly is improved.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.
In the description herein, numerous specific details are provided, such as examples of components and/or methods, to provide a thorough understanding of embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Reference throughout this specification to "one embodiment," "an embodiment," or "particular embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present invention, and not necessarily in all embodiments. Thus, appearances of the phrases "in one embodiment," "in an embodiment," or "in a specific embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics of any specific embodiment of the present invention may be combined in any suitable manner with one or more other embodiments. It is to be understood that other variations and modifications of the embodiments of the invention described and illustrated herein are possible in light of the teachings herein and are to be considered as part of the spirit and scope of the present invention.
It will also be appreciated that one or more of the elements shown in the figures can also be implemented in a more separated or integrated manner, or even removed for inoperability in some circumstances or provided for usefulness in accordance with a particular application.
Additionally, any reference arrows in the drawings/figures should be considered only as exemplary, and not limiting, unless otherwise expressly specified. Furthermore, the term "or" as used herein is generally intended to mean "and/or" unless otherwise indicated. Combinations of components or steps will also be considered as being noted where terminology is foreseen as rendering the ability to separate or combine is unclear.
As used in the description herein and throughout the claims that follow, "a," "an," and "the" include plural references unless otherwise indicated. Also, as used in the description herein and throughout the claims that follow, unless otherwise indicated, the meaning of "in …" includes "in …" and "on …".
The above description of illustrated embodiments of the invention, including what is described in the abstract of the specification, is not intended to be exhaustive or to limit the invention to the precise forms disclosed herein. While specific embodiments of, and examples for, the invention are described herein for illustrative purposes only, various equivalent modifications are possible within the spirit and scope of the present invention, as those skilled in the relevant art will recognize and appreciate. As noted, these modifications may be made to the present invention in light of the foregoing description of illustrated embodiments of the invention and are to be included within the spirit and scope of the present invention.
The system and method have been described herein in general terms as providing details to facilitate the understanding of the invention. Furthermore, various specific details have been given to provide a general understanding of the embodiments of the invention. One skilled in the relevant art will recognize, however, that an embodiment of the invention can be practiced without one or more of the specific details, or with other apparatus, systems, assemblies, methods, components, materials, parts, and/or the like. In other instances, well-known structures, materials, and/or operations are not specifically shown or described in detail to avoid obscuring aspects of embodiments of the invention.
Thus, although the present invention has been described herein with reference to particular embodiments thereof, freedom of modification, various changes and substitutions are also within the foregoing disclosure, and it should be understood that in some instances some features of the present invention will be employed without a corresponding use of other features without departing from the scope and spirit of the present invention as set forth. Accordingly, many modifications may be made to adapt a particular situation or material to the essential scope and spirit of the present invention. It is intended that the invention not be limited to the particular terms used in following claims and/or to the particular embodiment disclosed as the best mode contemplated for carrying out this invention, but that the invention will include any and all embodiments and equivalents falling within the scope of the appended claims. Accordingly, the scope of the invention is to be determined solely by the appended claims.
Claims (10)
1. The utility model provides a heat abstractor of on-vehicle lidar, on-vehicle lidar installs in the automobile body panel beating outside, its characterized in that includes:
the heat absorption unit is adapted to a heating area of the vehicle-mounted laser radar so as to absorb heat generated by the vehicle-mounted laser radar;
the heat dissipation unit is arranged on a metal plate of the vehicle body or the inner side of the vehicle body so as to enable heat on the heat dissipation unit to be conducted to the metal plate of the vehicle body or air in the vehicle;
and the heat conduction module is connected between the heat absorption unit and the heat dissipation unit so as to conduct the heat of the heat absorption unit to the heat dissipation unit.
2. The heat dissipation device of a vehicle-mounted lidar according to claim 1, wherein the heat conduction module comprises a heat pipe, the heat pipe comprises a pipe shell and a wick, the wick is made of a capillary porous material, the wick is filled in the pipe shell, the end of the pipe shell is sealed, and a heat conduction medium is filled in the pipe shell.
3. The heat dissipation device of a vehicle-mounted lidar according to claim 2, wherein the heat conducting module further comprises a heat exchange module; the heat pipe is divided into a first heat pipe and a second heat pipe, wherein the first heat pipe is connected between the heat absorption unit and the heat exchange module, and the second heat pipe is connected between the heat exchange module and the heat dissipation unit.
4. The heat dissipation device of claim 3, wherein the heat absorption unit comprises a first evaporation plate, the heat exchange module comprises a first condensation plate, one end of the first heat pipe is attached to the first evaporation plate, and the other end of the first heat pipe is attached to the first condensation plate.
5. The heat dissipation device of claim 4, wherein the heat exchange module further comprises a second evaporation plate attached to the first condensation plate, the heat dissipation unit comprises a second condensation plate, one end of the second heat pipe is attached to the second evaporation plate, and the other end of the second heat pipe is attached to the second condensation plate.
6. The heat dissipation device of claim 5, wherein the first evaporation plate is attached to a top surface of the vehicle-mounted lidar, the heat exchange module is located at a bottom of the vehicle-mounted lidar, and the first heat pipe is bent into a U shape to connect the first evaporation plate and the first condensation plate.
7. The heat dissipation device for a vehicle-mounted lidar according to claim 6, wherein at least two of the first heat pipe and the second heat pipe are provided.
8. The heat dissipating device for a vehicle-mounted lidar according to claim 7, wherein the first heat pipes are arranged in parallel; and the sections, attached to the second condensation plates, of the second heat pipes are radially and uniformly distributed on the second condensation plates.
9. The heat dissipation device of claim 5, wherein a thermally conductive silica gel is disposed between the first evaporation plate and the vehicle-mounted lidar and/or between the first condensation plate and the second evaporation plate.
10. A vehicle, characterized by comprising:
the laser radar is arranged on the outer side of the vehicle body metal plate;
the shell is detachably connected to the automobile body metal plate and is shielded outside the laser radar, and the shell is hermetically connected with the automobile body metal plate so that an engine body of the laser radar is arranged in a closed space; the shell is provided with a window, and a radar wave transmitting and receiving surface of the laser radar is exposed in the atmospheric environment through the window;
the heat absorption unit is adapted to a heating area of the laser radar so as to absorb heat generated by the laser radar;
the heat dissipation unit is arranged on a metal plate of the vehicle body or the inner side of the vehicle body so as to enable heat on the heat dissipation unit to be conducted to the metal plate of the vehicle body or air in the vehicle;
and the heat conduction module is connected between the heat absorption unit and the heat dissipation unit so as to conduct the heat of the heat absorption unit to the heat dissipation unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221290692.4U CN217932052U (en) | 2022-05-27 | 2022-05-27 | Vehicle-mounted laser radar's heat abstractor and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221290692.4U CN217932052U (en) | 2022-05-27 | 2022-05-27 | Vehicle-mounted laser radar's heat abstractor and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217932052U true CN217932052U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221290692.4U Active CN217932052U (en) | 2022-05-27 | 2022-05-27 | Vehicle-mounted laser radar's heat abstractor and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217932052U (en) |
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2022
- 2022-05-27 CN CN202221290692.4U patent/CN217932052U/en active Active
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