CN214201757U - Laser radar device and engineering vehicle - Google Patents

Abstract

The utility model discloses a laser radar device and an engineering vehicle. Wherein, laser radar device includes: the heat dissipation device comprises a shell, a heat dissipation device and a control device, wherein the shell is provided with an opening and a heat dissipation channel, and the heat dissipation channel is positioned inside the shell; the laser radar device comprises a laser radar body, wherein a shell is sleeved outside the laser radar body, the laser radar body comprises a lens and a heat dissipation assembly, the lens is positioned at an opening and comprises a first mirror surface facing the outside of the shell, and the heat dissipation assembly is provided with an air outlet positioned inside the shell; the heat dissipation channel comprises an inlet and an outlet, the inlet is communicated with the air outlet, at least part of the first mirror surface is communicated with the outlet, and airflow can act on the first mirror surface through the outlet. The application provides a laser radar device is through addding the casing to cooperate with original radiator unit and can realize the cleanness to the lens, and not add the movable structure spare, greatly reduced the fault rate, improved the reliability.

Description

Laser radar device and engineering vehicle

Technical Field

The utility model belongs to the technical field of the engineering vehicle equipment technique and specifically relates to a laser radar device and an engineering vehicle are related to.

Background

At present, if the surface of the mirror surface of the laser radar device is cleaned by dust falling and other cleaning problems, the radar can be influenced to construct a three-dimensional map or judge road conditions, and in order to improve the cleanliness of the mirror surface, the mirror surface of the laser radar device is cleaned by the following three schemes, namely airflow cleaning, liquid cleaning and brush head cleaning under the common condition. However, the three schemes can be added with movable structural components such as a motor, a windshield wiper, a nozzle, a conduit, a telescopic arm and the like on the basis of the original structure of the laser radar body, and the movable structural components are arranged, so that the problem that the movable structural components are blocked and break down easily occurs under the condition that the road condition of a vehicle is complex.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a laser radar device and an engineering vehicle to avoid cleaning laser radar device's mirror surface because of addding movable structure spare, because the problem that road conditions is complicated and easily breaks down.

In order to achieve the above object, a first aspect of the present invention provides a laser radar apparatus, including: the heat dissipation device comprises a shell, a heat dissipation device and a control unit, wherein the shell is provided with an opening and a heat dissipation channel, and the heat dissipation channel is positioned inside the shell; the laser radar body is sleeved outside the laser radar body and comprises a lens and a heat dissipation assembly, the lens is located at the opening and comprises a first mirror surface facing the outside of the shell, and the heat dissipation assembly is provided with an air outlet located inside the shell; the heat dissipation channel comprises an inlet and an outlet, the inlet is communicated with the air outlet, at least part of the first mirror surface is communicated with the outlet, and airflow can act on the first mirror surface through the outlet.

Further, the housing includes: the air outlet part is positioned at one end of the shell close to the opening, and the opening penetrates through the air outlet part along a first direction; the outlet is formed in the air outlet part and positioned in the shell, the outlet is communicated with the opening along a second direction, and a plane where the second direction is located is perpendicular to the first direction; the lens is connected with the air outlet part, and at least part of the outlet is positioned on one side of the first mirror surface, which faces away from the interior of the shell.

Further, the housing includes: the connecting plates are sequentially connected to form an accommodating cavity, the same ends of the connecting plates surround the opening, one sides of the connecting plates, which are close to the opening, form the air outlet part, the outlets are formed in the connecting plates, one sides of the connecting plates, which face the inside of the shell, are provided with groove structures, the inlets are formed in the connecting plates, and the groove structures are communicated with the inlets and the outlets to form the heat dissipation channels.

Furthermore, the shell is also provided with a mounting opening, the inlet is communicated with the mounting opening, and the heat dissipation assembly is arranged at the mounting opening and connected with the connecting plate; and the air outlet of the heat radiation component is communicated with the mounting opening.

Further, the connection plate includes: the first side plate, the second side plate and the third side plate are sequentially connected, the same side of the first side plate, the second side plate and the third side plate surrounds the opening, and the mounting opening is formed at the position opposite to the second side plate; wherein, the first side plate and the third side plate are provided with inlets on one sides close to the mounting port, and the groove structure comprises a first group of grooves and a second group of grooves; the first set of groove structures comprises: the first groove is formed in the first side plate, the second groove is formed in the second side plate, the third groove is formed in the third side plate, the first groove, the second groove and the third groove are sequentially communicated, and the first groove and the third groove are communicated with the inlet; the second set of groove structures comprises: locate the fourth recess of first curb plate, locate the fifth recess of second curb plate, locate the sixth recess of third curb plate, the fourth recess intercommunication the export with first recess, the fifth recess intercommunication the export with the second recess, the sixth recess intercommunication the export with the third recess.

Further, the heat dissipation assembly includes: the base is provided with an installation cavity, the air outlet and the air inlet are communicated with the installation cavity, and the base is connected with the shell; the first fan is arranged inside the installation cavity and located at the air inlet.

Further, still include: the air supply assembly is arranged inside or outside the accommodating cavity and comprises an air outlet communicated with the heat dissipation channel.

Further, the air supply assembly comprises at least one of a pressure device and a fan.

Further, the number of the heat dissipation channels is at least one; and/or the number of the air outlets is at least one.

The utility model discloses a second aspect provides an engineering vehicle, include: a controller and the lidar device of any of the first aspect, wherein the lidar device is connected to the controller.

The utility model provides a laser radar device and engineering vehicle do not change the structure of original laser radar body, have only add the casing to set up heat dissipation channel inside the casing, and cooperate with original radiator unit and realize the cleanness to the first mirror surface of lens, realize the cleanness of lens through addding movable structure spare in with the correlation technique and compare, the cost is lower, and the fault rate is low, and the reliability is high, is suitable for popularization and application.

The foregoing description is only an overview of the technical solutions of the present application, and the present application can be implemented according to the content of the description in order to make the technical means of the present application more clearly understood, and the following detailed description of the present application is given in order to make the above and other objects, features, and advantages of the present application more clearly understandable.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. Wherein:

fig. 1 is a perspective view of a laser radar apparatus according to an embodiment of the present invention;

fig. 2 shows a schematic structural diagram of a housing provided by an embodiment of the present invention;

FIG. 3 shows a side view of the housing of the embodiment of FIG. 2;

FIG. 4 is a schematic diagram showing the structure of the groove structure inside the housing of the embodiment shown in FIG. 2;

FIG. 5 is a schematic diagram showing the direction of airflow within the groove structure of the embodiment of FIG. 4;

fig. 6 shows a schematic structural diagram of a laser radar body provided by an embodiment of the present invention;

fig. 7 shows a schematic structural diagram of a heat dissipation assembly provided by an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 7 is:

1 lidar device, 100 housings, 102 openings, 106 heat dissipation channels, 108 inlets, 110 outlets, 112 gas outlets, 114 mounting ports, 116 first side plates, 118 second side plates, 120 third side plates, 122 first groups of grooves, 124 first grooves, 126 second grooves, 128 third grooves, 130 second groups of grooves, 132 fourth grooves, 134 fifth grooves, 136 sixth grooves, 138 connecting plates, 200 lidar bodies, 210 lenses, 212 first mirror surfaces, 220 heat dissipation assemblies, 222 air outlets and 224 bases.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

The following describes with reference to fig. 1 to 7 a laser radar device 1 and an engineering vehicle provided according to some embodiments of the present invention, wherein the laser radar device 1 is used for the engineering vehicle, specifically, the laser radar device 1 is used for the engineering vehicle to measure the obstacle information around the engineering vehicle, and then the obstacle avoidance walking is realized to improve the safety of the operation of the engineering vehicle. In the related art, the mirror surface of the laser radar device is cleaned by the following three schemes, namely airflow cleaning, liquid cleaning and brush head cleaning, but the three schemes can increase movable structural parts on the basis of the original structure of the laser radar body. For example motor, windshield wiper, nozzle, pipe, flexible arm etc. the problem of breaking down appears the movable structure card easily under the comparatively complicated condition of vehicle road conditions in the setting of movable structure, and simultaneously, the setting of movable structure increases manufacturing cost easily, and to the air current cleanness, the movable structure blocks the air current easily, and then influences the clean effect of mirror surface.

In view of this, the utility model discloses an embodiment of the first aspect, the first aspect of the utility model provides a laser radar device 1 includes: a housing 100, the housing 100 being provided with an opening 102 and a heat dissipation channel 106, the heat dissipation channel 106 being located inside the housing 100; the laser radar device comprises a laser radar body 200, wherein the shell 100 is sleeved outside the laser radar body 200, the laser radar body 200 comprises a lens 210 and a heat dissipation assembly 220, the lens 210 is positioned at the opening 102, the lens 210 comprises a first mirror surface 212 facing the outside of the shell 100, and the heat dissipation assembly 220 is provided with an air outlet 222 positioned inside the shell 100; the heat dissipation channel 106 includes an inlet 108 and an outlet 110, the inlet 108 is communicated with the air outlet 222, at least a portion of the first mirror 212 is communicated with the outlet 110, and the airflow can act on the first mirror 212 through the outlet 110.

The lidar device 1 of the present invention, as shown in fig. 1 to 7, includes a housing 100 and a lidar body 200, wherein, the shell 100 is sleeved outside the lidar body 200 and connected with the lidar body 200, the shell 100 is provided with an opening 102 and a heat dissipation channel 106, the heat dissipation channel 106 is located inside the shell 100, the lidar body 200 comprises a lens 210 and a heat dissipation assembly 220, the lens 210 is located at the opening 102 and connected with the shell 100, the heat dissipation assembly 220 is provided with an air outlet 222 located inside the shell 100, the inlet 108 of the heat dissipation channel 106 is communicated with the air outlet 222, at least a portion of the first mirror surface 212 of the lens 210 facing the outside of the housing 100 is communicated with the outlet 110 of the heat dissipation channel 106, so that the airflow flows from the air outlet 222 of the heat sink 220 to the heat sink 106 through the inlet 108, the laser radar body 200 is discharged through the outlet 110 after heat dissipation is performed in the interior of the housing 100. Because at least part of the first mirror surface 212 is communicated with the outlet 110, and the airflow can act on the first mirror surface 212 through the outlet 110, the airflow can flow through the first mirror surface 212 in the process of being discharged to the external environment through the outlet 110, and then dust and impurities falling on the first mirror surface 212 can be blown away, so that the first mirror surface 212 is cleaned. The setting of this structure, need not add movable structure in order to realize the cleanness to lens 210 as in the correlation technique, and then avoided making the dead problem of breaking down of movable structure card because of the vehicle road conditions is comparatively complicated, can satisfy the demand of the different operating modes of vehicle, the application range of product has been enlarged, and can guarantee that lens 210 has higher clean effect, and simultaneously, this application does not change original laser radar body 200's structure, casing 100 has only been add, and cooperate the cleanness that realizes first mirror surface 212 with original radiator unit 220, compare through addding movable structure realization lens 210's cleanness in the correlation technique, the cost is lower, and is suitable for popularization and application.

Further, as shown in fig. 1, fig. 2, fig. 3, fig. 6 and fig. 7, a side of the lens 210 facing the outside of the housing 100 is defined as a first mirror 212, and at least a portion of the lens 210 facing the outside of the housing 100 is in communication with the outlet 110, i.e., at least a portion of the first mirror 212 is in communication with the outlet 110. That is to say, at least a part of the first mirror surface 212 has a guiding function on the airflow flowing out through the outlet 110, and then after the airflow flowing out through the air outlet 222 of the heat dissipation assembly 220 completes heat exchange in the interior of the housing 100 through the heat dissipation channel 106, the airflow flowing out through the outlet 110 can act on the first mirror surface 212, that is, the airflow flowing out through the outlet 110 can directly blow the first mirror surface 212, thereby cleaning the first mirror surface 212. The device that this application provided does not increase movable structure spare, consequently, simple structure is reliable, and longe-lived, stability is high, the fault rate is low. Meanwhile, although the casing 100 is additionally arranged, the original heat dissipation performance of the heat dissipation assembly 220 is not affected, and meanwhile, the casing 100 is low in cost and suitable for popularization and application.

Specifically, the lidar body 200 may include a solid-state lidar, and may also be other lidar that does not surround the mirror surface by 360 degrees. Further, the air outlet direction of the outlet 110 blows directly to the first mirror surface 212 as far as possible, that is, the air outlet direction of the outlet 110 is parallel to or matched with the first mirror surface 212 as far as possible, which is beneficial to improving the cleaning effect of the first mirror surface 212, and meanwhile, the utilization rate of energy is improved, specifically, the air outlet direction of the outlet 110 is parallel to the first mirror surface 212, it can be understood that the cleaning of the first mirror surface 212 can be realized as long as the air flow blown out from the outlet 110 can graze the first mirror surface 212 or act on the first mirror surface 212, and therefore, the air outlet direction of the outlet 110 is not specifically limited in the present application.

Further, the housing 100 is a metal housing 100, and the metal housing 100 has a heat conduction function, thereby being beneficial to improving the heat dissipation efficiency of the laser radar apparatus 1 and ensuring a good heat dissipation effect. Specifically, the casing 100 is an aluminum-magnesium alloy part, and it can be understood that other materials meeting the requirements may also be used, and the application is not particularly limited.

In some possible embodiments provided by the present invention, the housing 100 includes: the air outlet part 112, the air outlet part 112 is located at one end of the housing 100 close to the opening 102, and the opening 102 penetrates through the air outlet part 112 along the first direction; the outlet 110 is formed in the air outlet 112 and located inside the housing 100, the outlet 110 is communicated with the opening 102 along a second direction, and a plane of the second direction is perpendicular to the first direction; the lens 210 is connected to the air outlet 112, and at least a portion of the outlet 110 is located on a side of the first mirror surface 212 facing away from the interior of the housing 100.

In this embodiment, as shown in fig. 2 and 3, one end of the housing 100 provided with the opening 102 is an air outlet portion 112, the mirror surface is connected to the air outlet portion 112, and both the opening 102 and the outlet 110 are provided in the air outlet portion 112, wherein the opening 102 penetrates through the air outlet portion 112 along a first direction, and the outlet 110 is located inside the housing 100 and is communicated with the opening 102 along a second direction. Through the plane of the second direction being perpendicular to the first direction, at least a portion of the outlet 110 is located on a side of the first mirror 212 facing away from the inside of the housing 100, that is, along the first direction, the first mirror 212 is located between two sides of the air outlet portion 112, wherein one side of the air outlet portion 112 is located inside the housing 100, and the other side is located outside the housing 100. That is to say, a part of the air outlet 112 is located on a side of the first mirror surface 212 away from the outside of the housing 100, and further has a certain guiding effect on the circulation of the air flow through the outlet 110, that is, the length of the housing is slightly greater than the length of the laser radar body, so that the outlet can blow the air to the first mirror surface, and therefore, the air flow can directly and smoothly flow through the first mirror surface 212 of the lens 210 along the second direction through the outlet 110, which is favorable for ensuring the good cleanliness of the first mirror surface 212. This application can realize the cleanness to first mirror surface 212 through the direction and the position of reasonable setting opening 102 and export 110, and simple structure, the reliability is high, and the fault rate is low, and the cost is lower, and long service life is suitable for popularization and application.

Specifically, as shown in fig. 2, the first direction is a horizontal direction, for example, a direction from the inside to the outside of the housing, the plane where the second direction is located is perpendicular to the first direction, for example, the second direction is a vertical direction, a horizontal direction, an inclined direction, and the like perpendicular to the first direction, and it can be understood that the second direction may also be other directions meeting the requirements, and the present application is not limited specifically. As shown in fig. 5, the arrows of the chain line in fig. 5 represent the direction of the airflow of the outlet 110, and the planes in which the directions of the arrows of the chain line in fig. 5 are located are all perpendicular to the first direction.

In some possible embodiments provided by the present invention, the connection board 138 and the plurality of connection boards 138 are connected in sequence, and the same end of the plurality of connection boards 138 is encircled to form the opening 102, one side of the plurality of connection boards 138 near the opening 102 forms the air outlet 112, the outlet 110 is disposed on the connection board 138, one side of the connection board 138 facing the inside of the casing 100 is provided with a groove structure, the inlet 108 is formed on the connection board 138, and the groove structure communicates the inlet 108 and the outlet 110 to form the heat dissipation channel 106.

In this embodiment, as shown in fig. 2, 3, and 4, the housing 100 further includes a connecting plate 138, the connecting plates 138 are sequentially connected to form an accommodating cavity surrounding the laser radar body 200, wherein the same end of the connecting plates 138 surrounds the opening 102, a gas outlet 112 is formed on a side of the connecting plates 138 close to the opening 102, the connecting plates 138 are provided with an outlet 110 and an inlet 108, a side of the connecting plates 138 facing the inside of the housing 100 is provided with a groove structure, and the inlet 108 and the outlet 110 are communicated through the groove structure to form a heat dissipation channel 106, the heat dissipation channel 106 is communicated with the air outlet 222 of the original heat dissipation assembly 220, so as to clean the first mirror 212, and compared with the related art in which a movable mechanism is additionally provided to clean the first mirror 212, the structure is simple and reliable, the implementation is easy, the cost is low, and the failure rate is low, long service life, good cleaning effect and suitability for popularization and application.

Specifically, the inlet 108 and the outlet 110 may be ports of a groove structure, i.e., a groove structure that extends through one end of the connection plate 138 in a direction perpendicular to the thickness of the connection plate 138 to form the inlet 108 and the outlet 110. It will be appreciated that the inlet 108 and outlet 110 may be otherwise provided.

In some possible embodiments provided by the present invention, the housing 100 is further provided with a mounting opening 114, the inlet 108 is communicated with the mounting opening 114, and the heat dissipation assembly 220 is disposed at the mounting opening 114 and connected to the connection plate 138; the air outlet 222 of the heat sink 220 is communicated with the mounting opening 114.

In this embodiment, as shown in fig. 2, 3, and 4, the housing 100 is provided with a mounting opening 114, the heat dissipation assembly 220 is connected to the housing 100 through the mounting opening 114, and is communicated with the mounting opening 114 through an air outlet 222 of the heat dissipation assembly 220, and the mounting opening 114 is communicated with the inlet 108, so that when an air flow flows into the heat dissipation channel 106 through the air outlet 222, the mounting opening 114, and the inlet 108 of the heat dissipation assembly 220, and is exhausted outside the housing 100 through the outlet 110 of the heat dissipation channel 106, heat dissipation is achieved, and meanwhile, the air flow acts on the first mirror surface 212 when being exhausted through the outlet 110, thereby achieving cleaning of the first mirror surface 212. This application utilizes original radiator unit 220's air current, after the inside heat dissipation cooling that realizes laser radar body 200 of casing 100, realizes the cleanness to first mirror surface 212 at the outside in-process of discharge casing 100, has improved energy utilization effectively, and the cleaning cost of reduction is suitable for popularization and application.

In some possible embodiments provided by the present disclosure, the connection plate 138 includes: the first side plate 116, the second side plate 118 and the third side plate 120 are connected in sequence, the same ends of the first side plate 116, the second side plate 118 and the third side plate 120 enclose an opening, and a mounting opening 114 is formed at the position opposite to the second side plate 118; wherein, the first side plate 116 and the third side plate 120 are provided with an inlet 108 on one side close to the mounting port 114, and the groove structure comprises a first group of grooves 122 and a second group of grooves 130; the first set of grooves 122 comprises: a first groove 124 arranged on the first side plate 116, a second groove 126 arranged on the second side plate 118 and a third groove 128 arranged on the third side plate 120, wherein the first groove 124, the second groove 126 and the third groove 128 are communicated in sequence, and the first groove 124 and the third groove 128 are communicated with the inlet 108; the second set of groove 130 structures include: a fourth groove 132 provided in the first side plate 116, a fifth groove 134 provided in the second side plate 118, and a sixth groove 136 provided in the third side plate 120, the fourth groove 132 communicating the outlet 110 with the first groove 124, the fifth groove 134 communicating the outlet 110 with the second groove 126, and the sixth groove 136 communicating the outlet 110 with the third groove 128.

In this embodiment, a specific structure of the housing 100 is described. As shown in fig. 2, 3, 4 and 5, the connecting plate 138 includes a first side plate 116, a second side plate 118 and a third side plate 120, the first side plate 116, the second side plate 118 and the third side plate 120 are connected in sequence, and the same end of the three defines an opening, a mounting opening 114 is defined between the first side plate 116 and the third side plate 120, that is, the mounting opening 114 is disposed opposite to the second side plate 118, and a heat dissipating assembly 220 is connected to the first side plate 116 and the third side plate 120.

Further, the first side plate 116 and the third side plate 120 are provided with an inlet 108 on a side thereof adjacent to the mounting opening 114, and the groove structure includes a first set of grooves 122 and a second set of grooves 130, wherein the first set of grooves 122 is communicated with the inlet 108, and the second set of grooves 130 is communicated with the outlet 110. Specifically, the first group of grooves 122 includes a first groove 124, a second groove 126 and a third groove 128 which are sequentially communicated with each other, the first groove 124 is disposed on the first side plate 116, the second groove 126 is disposed on the second side plate 118, and the third groove 128 is disposed on the third side plate 120, and the first groove 124 on the first side plate 116 and the third groove 128 on the third side plate 120 are communicated with the inlet 108, so that the airflow at the air outlet 222 of the heat dissipation assembly 220 can flow to the first groove 124 and the third groove 128 through the inlet 108, and then flow to the second groove 126. Because the second group of grooves 130 includes the fourth groove 132, the fifth groove 134 and the sixth groove 136 which are communicated in sequence, the fourth groove 132 is disposed on the first side plate 116, the fifth groove 134 is disposed on the second side plate 118, the sixth groove 136 is disposed on the third side plate 120, the outlet 110 and the first groove 124 are communicated through the fourth groove 132, the outlet 110 and the second groove 126 are communicated through the fifth groove 134, and the outlet 110 and the third groove 128 are communicated through the sixth groove 136, and further, the air flow in the first groove 124, the second groove 126 and the third groove 128 can be rapidly discharged to the outside of the housing 100 through the outlet 110, so that the heat dissipation efficiency and the heat dissipation effect are effectively ensured, meanwhile, the cleaning efficiency of the first mirror surface 212 is favorably improved, and a good cleaning effect is ensured.

Further, as shown in fig. 5, solid arrows in fig. 5 indicate the flow direction of the air flow in the first set of grooves 122, dashed arrows in fig. 5 indicate the flow direction of the air flow in the second set of grooves 130, and dashed arrows in fig. 5 indicate the direction of the air flow toward the first mirror 212 through the outlet 110.

Specifically, the first groove 124 is perpendicular to the fourth groove 132, the second groove 126 is perpendicular to the fifth groove 134, and the third groove 128 is perpendicular to the sixth groove 136, for example, the first groove 122 and the second groove 130 are linear grooves, it is understood that the first groove 122 and the second groove 130 may also be other shapes meeting the requirement, such as a curved groove, a bent groove, and the like, and the present application is not limited specifically.

In some possible embodiments provided by the present invention, the heat dissipation assembly 220 includes: a base 224, the base 224 is provided with a mounting cavity, an air outlet 222 and an air inlet, the air inlet and the air outlet 222 are communicated with the mounting cavity, and the base 224 is connected with the housing 100; the first fan is arranged inside the mounting cavity and located at the air inlet.

In this embodiment, as shown in fig. 6 and 7, the heat sink assembly 220 includes a base 224 and a first fan, and the base 224 is connected to the housing 100, i.e., the heat sink assembly 220 is mounted on the housing 100 through the base 224. Base 224 is provided with the installation cavity, air intake and air outlet 222 are linked together with the installation cavity, locate the inside of installation cavity and be located air intake department through first fan, and then make radiator unit 220 inhale the air current of external environment through the air intake, and through air outlet 222, import 108 flows to heat dissipation channel, then export 110 through heat dissipation channel discharges to the casing 100 outside, realize the complete circulation of air current, laser radar device 1's radiating efficiency has been improved greatly, and be favorable to improving the clean effect to lens 210.

In some possible embodiments provided by the present invention, further comprising: and the air supply assembly is arranged inside or outside the accommodating cavity and comprises an air outlet communicated with the heat dissipation channel 106.

In this embodiment, by adding the air supply component, the air outlet 222 of the air supply component is communicated with the heat dissipation channel 106, so as to increase the pressure of the air flow in the heat dissipation channel 106, and provide an additional air flow driving source for the heat dissipation channel 106, so that the sufficient air flow can flow out through the outlet 110 quickly and smoothly, the cleaning effect of the mirror surface is effectively improved, and the heat dissipation effect is improved.

Further, the air supply assembly includes at least one of a pressure device, such as a pressure bottle, pressure pump, or other pressure device, and a blower. That is, on the one hand, the supply component is a pressure device, and the pressure device increases the airflow pressure in the heat dissipation channel 106, and on the other hand, the air supply component is a fan, that is, on the basis of the original fan of the heat dissipation component 220, a fan is additionally arranged, and an airflow driving source is added to the heat dissipation channel 106 to increase the airflow pressure. On the other hand, the supply assembly comprises a pressure device and a fan, and the pressure of airflow in the heat dissipation channel is further increased through the pressure device and the fan, so that the heat dissipation efficiency and the cleaning efficiency are improved, and a good heat dissipation effect and a good cleaning effect are guaranteed. The different types of the gas supply components can meet the requirements of different structures of the laser radar device 1 and different structures of the shell 100, and the application range is wide.

Further, the air supply component is a fan, which is a second fan, and the second fan may be disposed outside or inside the casing 100, specifically, the second fan may be located at an upper portion, a lower portion, or a side portion of the laser radar body 200. Alternatively, the second fan is disposed inside the heat dissipation assembly 220, that is, the second fan and the first fan are both part of the heat dissipation assembly 220.

In some possible embodiments provided by the present disclosure, the number of the heat dissipation channels 106 is at least one; and/or the number of outlet vents 222 is at least one.

In this embodiment, as shown in fig. 4 and fig. 5, the number of the heat dissipation channels 106 is one, two or more, and different numbers of the heat dissipation channels 106 can meet the requirements of different heat dissipation efficiencies, different cleaning efficiencies and different structures of the housing 100, and the application range is wide.

The number of the air outlets 222 is one, two or more, and different numbers of the air outlets 222 can meet the requirements of different structures and different numbers of the heat dissipation channels 106 and different structures of the heat dissipation assemblies 220, so that the application range is wide.

Further, the shape of the heat dissipation channel 106 may be a linear shape, a bent linear shape, a curved shape, or other shapes meeting the requirement, and the application is not particularly limited.

Specifically, as shown in fig. 6 and 7, in the laser radar apparatus 1 provided in the present application, the number of the air outlets 222 is 4, the number of the inlets 108 is 4, the number of the outlets 110 is 7, and the channel between the inlets 108 and the outlets 110 is the heat dissipation channel 106.

The utility model discloses a second aspect provides an engineering vehicle, include: a controller, and the lidar device 1 of any of the embodiments of the first aspect, the lidar device 1 being connected to the controller.

The utility model provides an engineering vehicle, including the laser radar device 1 of the arbitrary embodiment of controller and first aspect, laser radar device 1 is connected with the controller, because engineering vehicle includes the laser radar device 1 of the arbitrary embodiment of first aspect, consequently, has all beneficial technological effects of this laser radar device 1, and it is here unnecessary a repeated description.

Further, the controller is connected with the laser radar device 1, so that the controller controls the driving path of the engineering vehicle according to the test result of the laser radar device 1, and the driving safety of the engineering vehicle is improved.

In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically defined, the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the drawings, which are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A lidar apparatus, comprising:

the heat dissipation device comprises a shell, a heat dissipation device and a control unit, wherein the shell is provided with an opening and a heat dissipation channel, and the heat dissipation channel is positioned inside the shell;

the laser radar body is sleeved outside the laser radar body and comprises a lens and a heat dissipation assembly, the lens is located at the opening and comprises a first mirror surface facing the outside of the shell, and the heat dissipation assembly is provided with an air outlet located inside the shell;

the heat dissipation channel comprises an inlet and an outlet, the inlet is communicated with the air outlet, at least part of the first mirror surface is communicated with the outlet, and airflow can act on the first mirror surface through the outlet.

2. The lidar apparatus of claim 1, wherein the housing comprises:

the air outlet part is positioned at one end of the shell close to the opening, and the opening penetrates through the air outlet part along a first direction;

the outlet is formed in the air outlet part and positioned in the shell, the outlet is communicated with the opening along a second direction, and a plane where the second direction is located is perpendicular to the first direction;

the lens is connected with the air outlet part, and at least part of the outlet is positioned on one side of the first mirror surface, which faces away from the interior of the shell.

3. The lidar apparatus of claim 2, wherein the housing comprises:

the connecting plates are sequentially connected to form an accommodating cavity, the same ends of the connecting plates surround the opening, one sides of the connecting plates, which are close to the opening, form the air outlet part, the outlets are formed in the connecting plates, one sides of the connecting plates, which face the inside of the shell, are provided with groove structures, the inlets are formed in the connecting plates, and the groove structures are communicated with the inlets and the outlets to form the heat dissipation channels.

4. Lidar device according to claim 3,

the shell is also provided with a mounting opening, the inlet is communicated with the mounting opening, and the heat dissipation assembly is arranged at the mounting opening and connected with the connecting plate;

and the air outlet of the heat radiation component is communicated with the mounting opening.

5. Lidar device according to claim 4, wherein the connection plate comprises:

the mounting structure comprises a first side plate, a second side plate and a third side plate which are sequentially connected, wherein the same ends of the first side plate, the second side plate and the third side plate surround to form an opening, and the mounting opening is formed at the position, opposite to the second side plate, of the second side plate;

wherein, the first side plate and the third side plate are provided with inlets on one sides close to the mounting port, and the groove structure comprises a first group of grooves and a second group of grooves;

the first set of groove structures comprises: the first groove is formed in the first side plate, the second groove is formed in the second side plate, the third groove is formed in the third side plate, the first groove, the second groove and the third groove are sequentially communicated, and the first groove and the third groove are communicated with the inlet;

the second set of groove structures comprises: locate the fourth recess of first curb plate, locate the fifth recess of second curb plate, locate the sixth recess of third curb plate, the fourth recess intercommunication the export with first recess, the fifth recess intercommunication the export with the second recess, the sixth recess intercommunication the export with the third recess.

6. The lidar apparatus of any of claims 1 to 5, wherein the heat sink assembly comprises:

the base is provided with an installation cavity, the air outlet and the air inlet are communicated with the installation cavity, and the base is connected with the shell;

the first fan is arranged inside the installation cavity and located at the air inlet.

7. The lidar apparatus according to any one of claims 3 to 5, further comprising:

the air supply assembly is arranged inside or outside the accommodating cavity and comprises an air outlet communicated with the heat dissipation channel.

8. Lidar device according to claim 7,

the air supply assembly comprises at least one of a pressure device and a fan.

9. The lidar device according to any of claims 1 to 5, wherein the number of the heat dissipation channels is at least one; and/or

The number of the air outlets is at least one.

10. A work vehicle, characterized by comprising:

a controller, and

lidar device according to any of claims 1 to 9, connected to the controller.

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