CN117062418B

CN117062418B - Radar apparatus

Info

Publication number: CN117062418B
Application number: CN202311298012.2A
Authority: CN
Inventors: 钟大明; 黄连锋
Original assignee: Hangzhou Hikvision Digital Technology Co Ltd
Current assignee: Hangzhou Hikvision Digital Technology Co Ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-01-16
Anticipated expiration: 2043-10-09
Also published as: CN117062418A

Abstract

The invention relates to the technical field of radars, and particularly discloses a radar device, which comprises a radar main body, a connecting piece, a heat dissipation main body and an air guide shell, wherein the radar main body comprises a shell, a radar module and an inner circulation driving piece, wherein the radar module and the inner circulation driving piece are arranged in the shell, and the inner circulation driving piece is positioned above the radar module along the vertical direction; in the vertical direction, the connecting piece is positioned between the radar main body and the heat dissipation main body, the connecting piece is connected with the radar main body, and the connecting piece is connected with the heat dissipation main body; along vertical direction, the wind-guiding shell is located the top of radar module, and is located the below at radiating main part top, under the effect of inner loop driving piece, will be located the air current below the wind-guiding shell and flow to the cavity above the wind-guiding shell through the inner loop runner. The radar device of the technical scheme of the invention has a good heat dissipation effect.

Description

Radar apparatus

Technical Field

The invention relates to the technical field of security protection, in particular to a radar device.

Background

The imaging radar can perform real-time material scanning of a closed warehouse, achieves the functions of static target detection, point cloud data output, space scanning imaging, volume and weight calculation output and the like in a space range, is not influenced by severe environments such as rainwater, dust, illumination and the like, and has wide application scenes in clinker warehouses such as cement, coal, sand and the like.

However, the common air temperature of the clinker warehouse is very high, and the heat dissipation of the current imaging radar structure is poor, so that the imaging function is affected.

Disclosure of Invention

The main object of the present invention is to provide a radar apparatus, which aims to improve the heat dissipation performance of the radar apparatus.

In order to achieve the above object, the present invention provides a radar apparatus comprising:

the radar comprises a radar main body, a radar module and an internal circulation driving piece, wherein the radar main body comprises a shell, the radar module is arranged in the shell, and the internal circulation driving piece is positioned above the radar module along the vertical direction;

the connecting piece is positioned between the radar main body and the radiating main body in the vertical direction, is connected with the radar main body and is connected with the radiating main body; and

the air guide shell is positioned above the radar module along the vertical direction and positioned below the top of the radiating main body, and under the action of the internal circulation driving piece, air flow positioned below the air guide shell flows to the cavity above the air guide shell through the internal circulation flow channel.

In a possible embodiment of the present invention, the air guiding shell includes a bottom wall and a side wall, the side wall is disposed on a side of the bottom wall facing the heat dissipating body, the heat dissipating body includes a heat dissipating shell, and the internal circulation flow channel includes a cavity between the bottom wall and the housing, a cavity between the side wall and the housing, and a cavity between the side wall and the heat dissipating shell.

In a possible embodiment of the present invention, the side wall includes a first side wall and a second side wall connected in a vertical direction, the second side wall is disposed in the heat dissipation housing, the air guiding shell further includes a third side wall, and the third side wall is bent and extended along a peripheral side of the first side wall, is connected to the connecting piece, and is provided with a through-air hole.

In a possible embodiment of the invention, the radar apparatus further includes a wind scooper, the wind scooper is disposed above the radar module, the bottom wall is provided with a wind inlet, and the inner circulation driving member is disposed between the wind inlet and the wind scooper.

In a possible embodiment of the present invention, the heat dissipating body further includes a heat dissipating inner shell and a fixing shell, the second side wall is disposed between the heat dissipating inner shell and the heat dissipating outer shell, and the height of the second side wall is lower than that of the heat dissipating inner shell, and the fixing shell is disposed between the heat dissipating inner shell and the air guiding shell, and seals an end of the heat dissipating inner shell facing the air guiding shell.

In a possible embodiment of the present invention, the heat dissipation inner shell is a cylindrical structure with two open ends, edges of the fixing shell are connected with an end face of the heat dissipation inner shell facing the air guiding shell, and an expansion part is convexly formed in the middle of the fixing shell facing a direction away from the air guiding shell.

In a possible embodiment of the present invention, the heat dissipation outer shell includes a first body, a plurality of first inner fins and a plurality of first outer fins, the plurality of first inner fins are arranged on the inner peripheral side of the first body in a spacing ring manner, the plurality of first outer fins are arranged on the outer peripheral side of the first body in a spacing ring manner, one end of the first body is connected with the connecting piece, the other end is connected with the end of the heat dissipation inner shell, and the outer side of the second side wall is abutted against the first inner fins;

and/or, the heat dissipation inner shell includes second body, a plurality of second internal fin and a plurality of second external fin, and a plurality of second internal fin spacer ring is located the interior circumference side of second body, a plurality of second external fin spacer ring is located the periphery side of second body, the one end of second body with the heat dissipation shell is connected, the inboard butt of second lateral wall in the second external fin.

In a possible embodiment of the present invention, the heat dissipation main body further includes a heat dissipation upper shell, the heat dissipation upper shell includes a cylinder with two open ends and a top cover connected to one end of the cylinder, the top cover is provided with an air inlet hole communicated with the cylinder, the cylinder is inserted into the heat dissipation inner shell and forms a first gap with the heat dissipation inner shell, a space is formed between one end of the cylinder far away from the top cover and the end face of the expansion part, the top cover covers the same side ends of the heat dissipation inner shell and the heat dissipation outer shell, and forms a second gap with the end of the heat dissipation outer shell;

In a possible embodiment of the present invention, an outer circulation driving member is disposed in the cylinder, and the outer circulation flow path includes a space surrounded by an inner wall of the cylinder, a first gap, the space, and the second gap, and the outer circulation driving member drives the air flow to exchange heat with the inner circulation flow path through the outer circulation flow path.

The invention also proposes a radar apparatus comprising:

the radar comprises a radar main body, a radar module and an internal circulation driving piece, wherein the radar main body comprises a shell, a radar module and an internal circulation driving piece; the shell forms an inner cavity with a first opening, the radar module is arranged at the bottom of the inner cavity, and the inner circulation driving piece is arranged in the inner cavity and is positioned above the radar module;

a connecting piece, one side of which is connected with the edge of the first opening, and

the heat dissipation main body is provided with a first heat dissipation cavity with a second opening and a second heat dissipation cavity with a third opening which are communicated, and the other side of the connecting piece, which is away from the shell, is connected with the edge of the third opening;

the inner circulation driving piece drives the air flow to circulate in an inner circulation flow path, and the inner circulation flow path comprises an inner cavity enclosed by the shell, a first heat dissipation cavity and a second heat dissipation cavity; the inner circulation driving piece drives the air flow of the first heat dissipation cavity to enter the inner cavity for heat exchange with the radar module, then flows to the second heat dissipation cavity through the periphery of the inner cavity, and flows into the first heat dissipation cavity after heat exchange through the inner cavity wall of the second heat dissipation cavity.

In a possible embodiment of the present invention, the radar main body further includes a wind guiding shell, the wind guiding shell forms a wind guiding cavity with a fourth opening, the wind guiding shell is located in the inner cavity, an edge of the fourth opening is connected to the connecting piece, the fourth opening is in butt joint with the second opening, a cavity bottom wall of the wind guiding cavity is provided with a wind inlet hole communicated with the inner cavity, and an opening edge of the wind guiding cavity is provided with a wind passing hole communicated with the second heat dissipation cavity and the inner cavity;

the inner circulation driving piece is positioned between the air guide shell and the radar module, so that air flow of the first heat dissipation cavity is driven to enter the inner cavity through the air guide cavity and the air inlet hole, and enters the second heat dissipation cavity through the periphery of the inner cavity and the air through hole.

In a possible embodiment of the invention, the radar main body further includes a fixing frame and a wind scooper, the fixing frame is mounted in the inner cavity, the radar module is mounted on one side of the fixing frame, one end of the wind scooper is arranged on the other side of the fixing frame, which is away from the radar module, and is communicated with the inner cavity, and the other end of the wind scooper is connected to the wind scooper and is communicated with the air inlet;

The internal circulation driving piece is arranged between the air guide cover and the air inlet and is used for driving air flow of the first heat dissipation cavity to enter the inner cavity through the air guide cavity, the air inlet and the air guide cover.

In a possible embodiment of the invention, two air guide covers and two inner circulation driving pieces are respectively arranged, two air inlets are formed, the two air guide covers are arranged on the fixing frame at intervals and are positioned on two opposite sides of the radar module, and one inner circulation driving piece is correspondingly arranged between one air inlet and one end part of the air guide cover.

In a possible embodiment of the present invention, the heat dissipating main body includes a heat dissipating inner shell, a heat dissipating outer shell, and a heat insulating shell, the heat dissipating outer shell is sleeved on the heat dissipating inner shell, one end of the heat dissipating outer shell is connected to the connecting piece, the other end is connected to the end of the same side of the heat dissipating inner shell, one end of the heat insulating shell is connected with the edge of the fourth opening in a sealing manner, the other end extends between the heat dissipating outer shell and the heat dissipating inner shell, and is arranged at intervals with the connecting ends of the heat dissipating inner shell and the heat dissipating outer shell, and the heat dissipating inner shell is arranged towards one end of the air guiding shell in a sealing manner;

The heat insulation shell and the heat dissipation outer shell form the second heat dissipation cavity, and the heat insulation shell and the heat dissipation inner shell form the first heat dissipation cavity.

In a possible embodiment of the present invention, the heat dissipation outer shell includes a first body, a plurality of first inner fins and a plurality of first outer fins, the plurality of first inner fins are arranged on the inner peripheral side of the first body in a spacing ring manner, the plurality of first outer fins are arranged on the outer peripheral side of the first body in a spacing ring manner, one end of the first body is connected with the connecting piece, the other end is connected with the end of the heat dissipation inner shell, and the outer side of the heat insulation shell is abutted against the first inner fins;

and/or, the heat dissipation inner shell comprises a second body, a plurality of second inner fins and a plurality of second outer fins, the second inner fins are arranged on the inner peripheral side of the second body in a spacing mode, the second outer fins are arranged on the outer peripheral side of the second body in a spacing mode, one end of the second body is connected with the heat dissipation outer shell, and the inner side of the heat insulation shell is abutted to the second outer fins.

In a possible embodiment of the present invention, the heat dissipation main body further includes a heat dissipation upper shell, the heat dissipation upper shell includes a cylinder with two open ends and a top cover connected to one end of the cylinder, the top cover is provided with an air inlet hole communicated with the cylinder, the cylinder is inserted into the heat dissipation inner shell and forms a first gap with the heat dissipation inner shell, the top cover covers the same side ends of the heat dissipation inner shell and the heat dissipation outer shell and forms a second gap with the heat dissipation outer shell, an external circulation driving member is arranged in the cylinder, and the cylinder, the first gap and the second gap enclose together to form an external circulation flow path;

The external circulation driving piece drives external cold air flow to enter the external circulation flow path from the air inlet hole, exchanges heat with the internal circulation flow path and flows to the outer side of the heat dissipation shell.

In a possible embodiment of the present invention, the heat dissipation main body further includes a fixing shell, the heat dissipation inner shell is a cylinder structure with two open ends, the fixing shell is covered on one end of the heat dissipation inner shell facing the air guiding shell, an expansion part is convexly formed in a direction facing the heat dissipation upper shell, a space is formed between one end of the cylinder, which is far away from the top cover, and an end face of the expansion part, and the cylinder, the space, the second gap and the first gap enclose together to form the external circulation flow path.

In a possible embodiment of the present invention, the housing includes a radar outer shell, a heat insulating member, and a radar inner shell, the radar inner shell is formed with the inner cavity, one side of the connecting member is connected to one end of the radar inner shell, the heat insulating member is sleeved on the periphery of the radar inner shell, and the radar outer shell is sleeved on the periphery of the heat insulating member.

The radar device comprises a radar main body and a heat dissipation main body connected with the radar main body through a connecting piece, wherein the connecting piece is a structure for installing the radar device and can be arranged at the top of a factory building, so that the radar main body is positioned in the factory building, and the heat dissipation main body is positioned at the outer side of the factory building. The radar main part includes casing and radar module, still is provided with wind-guiding shell and inner loop driving piece in radar module's top, and the inner loop driving piece flows the cavity of wind-guiding shell top through the inner loop runner with the air current of wind-guiding shell below to can be with radar module's heat transfer to heat dissipation main part department, and then diffuse to the external world, realize radar main part's cooling, promote radar device's radiating effect under high temperature environment. And the heat dissipation process can meet the high protection requirement of the radar device only through the internal circulation flow path.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of a radar apparatus according to the present invention;

FIG. 2 is a cross-sectional view of the radar apparatus shown in FIG. 1;

fig. 3 is an exploded view of a radar main body in the radar apparatus shown in fig. 1;

FIG. 4 is a schematic view of the radar module, the wind scooper and the internal circulation driving member in the radar main body shown in FIG. 3;

FIG. 5 is a schematic view of a structure of a wind guiding shell in the radar main body in FIG. 4;

FIG. 6 is a schematic view of the air guiding shell of FIG. 5 from another view;

FIG. 7 is a schematic view of a heat dissipating body and a wind guiding case in the radar apparatus shown in FIG. 1;

FIG. 8 is a cross-sectional view of the heat dissipating body and air guiding shell of FIG. 7;

FIG. 9 is an exploded view of the heat dissipating body and air guiding shell of FIG. 7;

FIG. 10 is a schematic view of a heat dissipating housing in the heat dissipating body shown in FIG. 9;

FIG. 11 is a schematic view of a heat dissipating inner shell of the heat dissipating body shown in FIG. 9;

FIG. 12 is a schematic view of the heat dissipating inner shell of FIG. 11 from another perspective;

FIG. 13 is a schematic view of a heat dissipating top case of the heat dissipating body of FIG. 9;

fig. 14 is a schematic structural view of the heat dissipating upper case of fig. 13 from another view.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				100	Radar apparatus	30b	Second heat dissipation cavity
10	Radar main body	30c	A second opening
				11	Shell body	30d	A third opening
111	Radar inner shell	31	Radiating inner shell
				1111	Inner cavity	311	Second body
1112	A first opening	312	Second inner fin
				112	Heat insulation piece	313	Second outer fin
113	Radar casing	32	Heat dissipation shell
				1131	Enclosure	321	First body
1132	Lower shell	322	First inner fin
				13	Radar module	323	First outer fin
15	Internal circulation driving piece	33	Heat insulation shell
				17	Wind-guiding shell	34	Heat dissipation upper shell
171	Fourth opening	341	Barrel body
				172	Air guide cavity	3411	First gap
173	Air inlet hole	342	Top cover
				174	Through-air hole	3421	Air inlet hole
175	Bottom wall	3422	Second gap
				176	First side wall	35	External circulation driving piece
18	Fixing frame	36	Fixing shell
				19	Wind scooper	361	Expansion part
20	Connecting piece	362	Spacing space
				30	Heat dissipation main body	40	Heat insulation pad
30a	First heat dissipation cavity

The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The imaging radar for scanning the real-time materials of the closed storeroom has poor heat dissipation performance due to the fact that the temperature of the clinker storeroom is very high, and the imaging function is affected. In the existing improvement scheme, the cooling medium is introduced into the cooling device to realize cooling, but the energy consumption is larger and the cost is higher. There are also increased heat radiation structure and louvre, dispel the heat through the louvre with the heat, so, inside dust or the steam of getting into of radar easily influences its imaging function. The invention provides a radar device, which aims to circulate heat generated at a radar module to an external radiating main body through a closed internal circulation gas flow path through an internal circulation driving piece, so that the radiating effect is improved, the radar device can be isolated from the outside, dust can be effectively prevented, and the protection level is improved.

Referring to fig. 1 to 3 and fig. 5, in an embodiment of the present invention, a radar apparatus 100 includes a radar main body 10, a heat dissipating main body 30, a connecting member 20, and a wind guiding housing 17, wherein the radar main body 10 includes a housing 11, a radar module 13 and an inner circulation driving member 15 disposed inside the housing 11, and the inner circulation driving member 15 is located above the radar module 13 along a vertical direction;

In the vertical direction, the connecting piece 20 is located between the radar body 10 and the heat dissipating body 30, the connecting piece 20 is connected to the radar body 10, and the connecting piece 20 is connected to the heat dissipating body 30; in the vertical direction, the air guiding shell 17 is located above the radar module 13 and below the top of the heat dissipating body 30, and under the action of the internal circulation driving member 15, the air flow below the air guiding shell 17 flows to the cavity above the air guiding shell 17 through the internal circulation flow channel.

In this embodiment, the radar apparatus 100 is installed in a factory building or a clinker warehouse to be detected through the connecting piece 20, the radar main body 10 includes a housing 11 and a radar module 13, the housing 11 is a region relatively independent of the detected environment, the radar module 13 is arranged in the housing, the radar module 13 can be protected, and not only can direct exposure to a high-temperature environment be avoided, but also damage to internal components due to dust or water vapor can be avoided. Of course, other components, such as a control member, etc., may be provided in the housing 11, which is not limited herein. The radar module 13 is an existing radar structure, and can realize functions of material scanning, static target detection, space scanning imaging, volume or weight calculation and output, and the like, which are not described herein.

The connector 20 may be a connection flange that is fixedly mounted by threads. The connector 20 may be a chuck or a plug, and is connected to a factory building or a warehouse by a snap connection or a plug connection, which is not limited herein. In an example, the radar apparatus 100 may be in a vertical state when installed, that is, in a vertical direction, the connecting member 20 is connected at a position of an opening of a plant, the radar main body 10 is located below, the heat dissipation main body 30 is located above in the plant, the internal circulation driving member 15 is located above the radar module 13 outside the plant, the wind guiding shell 17 is located above the radar module, and the space formed by enclosing the housing 11 and the heat dissipation main body 30 can be divided into two, so that the air flow can better circulate.

At this time, the inner circulation driving member 15 may drive the air flow below the air guiding shell 17, that is, the air flow around the radar module 13, so that the air flow flows into the cavity above the air guiding shell 17, that is, the inside of the heat dissipating body 30, and heat can be dissipated by heat radiation between the heat dissipating body 30 and the relatively low temperature environment outside the factory building. Of course, the air flow flowing above the air guiding shell 17 can enter the space below the air guiding shell 17 again through the internal circulation flow path after heat exchange, so as to realize circulation. In an example, the internal circulation flow path may be formed by a pipe or may be directly formed by a space surrounded by the walls of the housing 11 and the heat dissipation body 30, which is not limited herein.

The radar apparatus 100 according to the present invention includes a radar body 10 and a heat dissipating body 30 connected to the radar body 10 through a connector 20, wherein the connector 20 may be installed at the top of a factory building, so that the radar body 10 is located in the factory building and the heat dissipating body 30 is located outside the factory building. The radar main body 10 includes casing 11 and radar module 13, still is provided with wind-guiding shell 17 and inner loop driver 15 in radar module 13's top, and inner loop driver 15 flows the air current of wind-guiding shell 17 below to the cavity of wind-guiding shell 17 top through the inner loop runner to can be with radar module 13's heat transfer to heat dissipation main body 30 department, and then diffuse to the factory building outside, realize radar main body 10's cooling, promote radar device 100 radiating effect under high temperature environment. And the heat dissipation process can meet the high protection requirement of the radar device 100 only through the internal circulation flow path.

Referring to fig. 2, 5 and 6, in a possible embodiment of the present invention, the air guiding shell 17 includes a bottom wall 175 and a side wall, the side wall is disposed on a side of the bottom wall 175 facing the heat dissipating body 30, the heat dissipating body 30 includes a heat dissipating housing 32, and the internal circulation flow channel includes a cavity between the bottom wall 175 and the housing 11, a cavity between the side wall and the housing 11, and a cavity between the side wall 176 and the heat dissipating housing 32.

In this embodiment, in order to better realize the circulation of the air flow, the air guiding shell 17 includes a bottom wall 175 and a side wall, the side wall is connected to the periphery of the bottom wall 175 and faces one side of the heat dissipating body 30, that is, the space in the heat dissipating body 30 is divided into two parts of an inner ring and an outer ring, that is, two parts of an inner circulation flow channel, at this time, the flow path of the air flow is a cavity between the bottom wall 175 and the housing 11, a cavity between the side wall and the housing 11, and a cavity between the side wall and the heat dissipating shell 32, and finally enters the cavity formed by enclosing the side wall. It will be appreciated that the end of the side wall facing the heat dissipating body 30 does not abut the top of the heat dissipating body 30, so that the air flow can flow back from the outer ring to the inner ring, and the bottom wall 175 communicates with the cavity (inner ring) formed by the side wall and the cavity between the bottom wall 175 and the housing 11, so that the air flow can reenter the housing 11 from the inner ring for heat exchange. For example, the bottom wall 175 may be provided with openings, or the bottom wall 175 may be a mesh structure or a frame structure, etc., without limitation. The arrangement of the air guide shell 17 can enable the internal circulation flow path to be clearer, improves the air circulation rate, and the side wall can separate the heat of the air flow which exchanges heat to the outside and the air flow which returns to the inner space of the side wall again, so that the heat exchange efficiency is improved.

With continued reference to fig. 2 and 6, in a possible embodiment of the present invention, the side walls include a first side wall 176 and a second side wall 33 that are connected in a vertical direction, the second side wall 33 is disposed in the heat dissipation housing 32, the air guiding shell 17 further includes a third side wall 177, and the third side wall is disposed along a circumferential side of the first side wall 176 in a bending and extending manner, and is connected to the connecting member 20, and the third side wall 177 is provided with an air passing hole 174.

In this embodiment, the side wall is two split structures, including first side wall 176 and the second side wall that looks sealing connection, so, first side wall 176 and second side wall can process through different materials and processing mode to obtain better performance. In an example, the first side wall 176 and the bottom wall 175 are integrally formed, so that the structure is high in strength and stable in connection, and the third side wall 177 formed by bending is connected and fixed with the connecting piece 20 to form a stable mounting structure. The second side wall can be made of heat insulating material, namely the heat insulating shell 33, so that heat of air flow exchanging with the outside of the factory building is further prevented from directly entering the inner ring through the second side wall, and the heat dissipation effect is improved. The manner of connecting the second side wall to the first side wall 176 is not limited to a sealed connection such as adhesive or welding. In order to circulate the air flow, the third side wall is provided with a through-air hole 174, and the air flow can enter the space between the first side wall 176 and the housing 11 from the cavity between the bottom wall 175 and the housing 11, and then enter the space between the heat dissipation shell 32 and the heat insulation shell 33 through the air hole 174. Optionally, the third sidewall 177 includes a plurality of plates disposed at intervals, the plurality of plates are arranged along a periphery of the first sidewall 176, and a space between two adjacent plates is the through-air hole 174. The third sidewall 177 further includes a ring body disposed around a side of the plate body remote from the first sidewall 176, thereby improving structural stability and facilitating connection with the connector 20. The third sidewall 177 may be connected to the connector 20 by a threaded connection or a plug connection.

Referring to fig. 2 to 5, in a possible embodiment of the invention, the radar apparatus further includes a wind scooper 19, the wind scooper 19 is disposed above the radar module 13, the bottom wall 175 is provided with a wind inlet 173, and the internal circulation driving member 15 is disposed between the wind inlet 173 and the wind scooper 19.

In this embodiment, the bottom wall is provided with the air inlet 173, the air guide cover 19 is approximately in a long-strip shape, and two ends of the air guide cover 19 are respectively abutted against the air inlet 173 of the air guide shell 17 and the radar module 13, so that the air flow can be stably transmitted to the periphery of the radar module 13 through the inner circulation driving piece 15, the effect of directly blowing the radar module 13 is achieved, and the cooling is effectively realized.

Meanwhile, in order to improve structural stability, one end of the wind scooper 19 is connected with the inner circulation driving piece 15, and is detachably connected with the hole periphery of the air inlet 173 through the inner circulation driving piece 15, thereby being fixed to the wind scooper 17. The other end of the wind scooper 19 facing the radar module 13 is fixed on a fixing frame 18 for installing the radar module 13, meanwhile, an avoidance hole is formed in the fixing frame 18 and is communicated with the bottom of the inner cavity 1111 through the avoidance hole, so that the air flow directly reaches the radar module 13. The connection mode of the components can be, but not limited to, threaded connection, plugging, welding and the like.

In an example, two air guiding hoods 19 are provided, and through two inner circulation driving pieces 15, two air inlet holes 173 and two avoiding holes of the fixing frame 18, air flows are blown to two opposite sides of the radar module 13 at the same time, so that the heat dissipation efficiency of the radar module 13 is further improved, and the heat dissipation effect is improved. Alternatively, the two wind scoopers 19 may be symmetrically arranged, so that the airflow in the housing 11 is more uniform, the circulation is more stable, and turbulence and noise are reduced.

Referring to fig. 2, 7 and 8, in a possible embodiment of the present invention, the heat dissipating body further includes a heat dissipating inner shell 31 and a fixing shell 36, the second side wall is disposed between the heat dissipating inner shell 31 and the heat dissipating outer shell 32 and has a height lower than that of the heat dissipating inner shell, and the fixing shell 36 is disposed between the heat dissipating inner shell 31 and the air guiding shell 17 and seals an end of the heat dissipating inner shell 31 facing the air guiding shell 17.

In this embodiment, the heat dissipation inner shell 31 is provided, a part of the internal circulation flow path may be defined between the heat dissipation inner shell 31 and the second side wall, and the second side wall may be the heat insulation shell 33, so that the air flow between the heat dissipation outer shell 32 and the heat insulation shell 33 exchanges heat with the external space, and the low-temperature air flow after heat exchange flows into the space between the heat insulation shell 33 and the heat dissipation inner shell 31 through the end part of the heat insulation shell 33, and further enters the air guiding shell 17 for the next circulation. The heat dissipation inner shell 31 may be a cylinder, penetrating the heat insulation shell 33, and the fixing shell 36 seals the end of the heat dissipation inner shell 31 facing the air guiding shell 17, so that the airflow path is a closed inner circulation, and the protection performance is further improved. The shape of the fixing case 36 may be plate-shaped, block-shaped, irregular, or the like, and is not limited herein.

Referring to fig. 8 and 9, in a possible embodiment of the present invention, the heat dissipation inner shell 31 has a cylindrical structure with two open ends, the edge of the fixing shell 36 is connected to the end surface of the heat dissipation inner shell 31 facing the air guiding shell 17, and an expansion portion 361 is convexly formed at the middle of the fixing shell 36 facing the direction away from the air guiding shell 17.

In this embodiment, the fixing housing 36 includes a bottom plate body and an expansion portion 361 connected to an inner peripheral side of the plate body, the plate body may close the bottom of the first gap 3411 to prevent external air flow from entering the inner circulation flow path, and the expansion portion 361 may increase a space between the heat dissipation inner housing 31 and the air guiding cavity 172, so that an air flow in the inner circulation flow path is larger, and heat dissipation efficiency of the radar module 13 may also be improved.

Referring to fig. 10 to 12, in a possible embodiment of the invention, the heat dissipation housing 32 includes a first body 321, a plurality of first inner fins 322 and a plurality of first outer fins 323, the plurality of first inner fins 322 are spaced and looped on an inner circumference side of the first body 321, the plurality of first outer fins 323 are spaced and looped on an outer circumference side of the first body 321, one end of the first body 321 is connected with the connecting piece 20, the other end is connected with an end of the heat dissipation inner shell 31, and an outer side of the second sidewall 33 is abutted against the first inner fins 322;

And/or the heat dissipation inner shell 31 includes a second body 311, a plurality of second inner fins 312, and a plurality of second outer fins 313, the plurality of second inner fins 312 are arranged on the inner circumference side of the second body 311 in a spaced-apart ring manner, the plurality of second outer fins 313 are arranged on the outer circumference side of the second body 311 in a spaced-apart ring manner, one end of the second body 311 is connected with the heat dissipation outer shell 32, and the inner side of the second side wall 33 is abutted against the second outer fins 313.

In order to further improve the radiation efficiency, the heat dissipation housing 32 includes a first body 321, where the first body 321 is annular, for example, annular, and a plurality of first inner fins 322 are disposed at intervals on an inner peripheral side of the first body, and the plurality of first inner fins 322 are respectively disposed in a sheet shape and face a radial direction of the first body 321, so that a heat exchange area with an air flow can be increased, and the heat exchange efficiency is improved. Meanwhile, a plurality of first outer fins 323 are arranged on the outer periphery side of the first body 321 at intervals, the first outer fins 323 are also arranged in a sheet shape and face the radial direction of the first body 321, so that the heat exchange area of the heat dissipation shell 32 and the gas outside the factory building can be further increased, and the heat exchange efficiency and effect are further improved. Optionally, each of the first inner fin 322 and the first outer fin 323 extends along the axial direction of the first body 321 and has the same height as the first body 321 to further increase the heat exchange area. Thus, when the air flows through the second heat dissipation chamber 30b, heat exchange is performed with the first inner fins 322, and heat is transferred to the first body 321, and then is diffused to the outside through the first outer fins 323.

In an example, the outer peripheral side of the heat insulation shell 33 may directly abut against the first inner fins 322, so that the structure is more stable and compact, and thus, the space between two adjacent first inner fins 322 may form a part of the internal circulation flow path, so that the airflow flow is more stable, and the heat exchange area is larger.

In another example, the first inner fin 322 and the first outer fin 323 are disposed offset in a radial direction of the first body 321. In yet another example, to facilitate the connection of the heat dissipation shell 32, the first body 321 is bent towards one end of the housing 11 to form a connection lug, and the bottom of the first outer fin 323 abuts against the connection lug, and the connection lug is detachably connected or fixedly connected with the connection member 20. Optionally, the first body 321, the first inner fin 322 and the first outer fin 323 are integrally formed, so that the structural strength is high, the stability is good, and the material can be metal.

On the basis of defining or not defining the structure of the heat dissipation outer shell 32 as the above embodiment, the heat dissipation inner shell 31 is provided to include the second body 311, the second body 311 is also annular, for example, annular, and the inner peripheral side is circumferentially and alternately arranged with a plurality of second inner fins 312, the outer peripheral side is circumferentially and alternately arranged with a plurality of second outer fins 313, and the second outer fins 313 and the second inner fins 312 are both sheet-shaped and are oriented to the radial direction of the second body 311, so that the heat exchange area of the heat dissipation inner shell 31 can be further increased, and the heat exchange efficiency and effect can be further improved. At this time, the heat insulating case 33 may directly abut against the second outer fins 313, which makes the structure of the heat dissipating body 30 more stable and compact, and the space between two adjacent second outer fins 313 forms a part of the inner circulation flow path, so that the air flow is smoother. Optionally, the second inner fin 312 and the second outer fin 313 each extend along the axial direction of the second body 311 and have the same height as the second body 311 to further increase the heat exchange area. In an example, the second body 311, the second inner fin 312 and the second outer fin 313 are integrally formed, and the second body has high structural strength and good stability, and may be made of metal.

Optionally, in order to facilitate connection between the heat dissipation inner shell 31 and the heat dissipation inner shell 31, an end of the second body 311 away from the housing 11 is bent to form a connection lug, and the connection lug is detachably connected with the first body 321 of the heat dissipation outer shell 32. In other examples, the end of the first body 321 may be bent and extended to be connected to the second body 311.

Referring to fig. 8, 13 and 14, in a possible embodiment of the present invention, the heat dissipating main body 30 further includes a heat dissipating upper shell 34, the heat dissipating upper shell 34 includes a cylinder 341 with two open ends and a top cover 342 connected to one end of the cylinder 341, the top cover 342 is provided with an air inlet hole 3421 communicating with the cylinder 341, the cylinder 341 is inserted into the heat dissipating inner shell 31 and forms a first gap 3411 with the heat dissipating inner shell 31, a space 362 is formed between one end of the cylinder 341 away from the top cover 342 and an end face of the expansion 361, the top cover 342 covers the same side ends of the heat dissipating inner shell 31 and the heat dissipating outer shell 32, and forms a second gap 3422 with the end of the heat dissipating outer shell 32;

an outer circulation driving member 35 is disposed in the cylinder 341, and the outer circulation flow path includes a space surrounded by an inner wall of the cylinder 341, a first gap 3411, the space 362, and the second gap 3422, where the outer circulation driving member 35 drives the air flow to exchange heat with the inner circulation flow path through the outer circulation flow path.

In order to further improve the heat dissipation effect, the heat dissipation main body 30 further includes a heat dissipation upper shell 34, and an outer circulation flow path is formed by enclosing between the heat dissipation upper shell 34 and the heat dissipation inner shell 31 and the heat dissipation outer shell 32, that is, the outdoor air flow is circulated through the outer circulation flow path and then discharged to the outside, so that the outdoor air flow with lower temperature and the air flow of the inner circulation flow path perform radiation heat exchange, the air flow temperature returning to the second side wall is further reduced, and the heat dissipation effect on the radar module 13 is further improved.

Optionally, the upper heat dissipation shell 34 includes a cylinder 341 and a top cover 342, where the cylinder 341 is inserted into the inner heat dissipation shell 31 and is spaced from the inner wall of the inner heat dissipation shell 31, so as to form a first gap 3411, or when the inner heat dissipation shell 31 is provided with the second inner fins 312, the second inner fins 312 may be directly abutted, and the first gap 3411 is formed by a space between two adjacent second inner fins 312. The top cover 342 is covered on the end of the heat dissipation inner shell 31, and the height of the second inner fin 312 is higher than the height of the second body 311, so that a second gap 3422 is formed between the second body 311 and the end of the heat dissipation outer shell 32, the outer circulation driving member 35 can be a fan, and the air flow outside the driving chamber enters the cylinder 341 through the air inlet hole 3421 and is discharged from the outer periphery side of the heat dissipation outer shell 32 after passing through the first gap 3411 and the second gap 3422, so that heat exchange can be performed between the air flow of the inner circulation flow path and the heat dissipation inner shell 31. In other examples, the end of the second body 311 of the inner heat dissipation shell 31 may be provided with a supporting structure to support the top cover 342, and a passage may be formed to allow the air flow to pass through. Meanwhile, the arrangement of the expansion part 361 reduces the flow path of the outdoor air flow entering the cylinder 341 so as to accelerate the air flow speed of the external circulation flow path, and further improve the heat exchange efficiency.

In an example, the outer circulation driving member 35 is fixed at the edge of the inner opening of the air inlet 3421 to increase the driving force of the air flow, the periphery of the top cover 342 is bent toward one side of the radar body 10 and overlapped on the outer periphery side of the heat dissipation case 32, and the second gap 3422 is formed by the space between the first outer fins 323 and the top cover 342 and the space between the adjacent two first outer fins 323, so that the external dust can be reduced and the like can enter the heat dissipation inner case 31 through the first gap 3411 and the second gap 3422 to increase the waterproof and dustproof effects.

In a possible embodiment of the present invention, the radar apparatus 100 further includes a heat insulation pad 40, and the heat insulation pad 40 is disposed between the connector 20 and the radar main body 10.

In this embodiment, the heat insulation pad 40 is disposed between the connecting member 20 and the radar main body 10, so that heat transfer from the top of the factory building to the flange can be reduced, and heat dissipation effect can be ensured. The material of the heat insulating mat 40 may be asbestos, glass fiber, or the like, and is not limited thereto. In addition, optionally, the connecting piece 20 is a connecting flange, and holes can be formed in a factory building, and the connecting flange can realize stable connection and fixation through threaded connection of a plurality of threaded connection holes, so that the installation stability of the radar device 100 is ensured.

The present invention further provides a radar apparatus, please refer to fig. 1 to 3 and fig. 8, in an embodiment of the present invention, a radar apparatus 100 includes a radar main body 10, a connecting member 20 and a heat dissipating main body 30, wherein the radar main body 10 includes a housing 11, a radar module 13 and an inner circulation driving member 15; the housing 11 forms an inner cavity 1111 with a first opening 1112, the radar module 13 is disposed at the bottom of the inner cavity 1111, the internal circulation driving member 15 is disposed in the inner cavity 1111 and above the radar module 13, and one side of the connecting member 20 is connected to the edge of the first opening 1112;

the heat dissipation body 30 forms a first heat dissipation cavity 30a with a second opening 30c and a second heat dissipation cavity 30b with a third opening 30d which are communicated, and the other side of the connecting piece 20 facing away from the shell 11 is connected to the edge of the third opening 30 d;

the inner circulation driving member 15 drives the air flow to circulate in an inner circulation flow path, and the inner circulation flow path comprises a cavity enclosed by the shell 11, a first heat dissipation cavity 30a and a second heat dissipation cavity 30b; the inner circulation driving member 15 drives the air flow in the first heat dissipation chamber 30a to enter the inner chamber 1111 to exchange heat with the radar module 13, and then flows to the second heat dissipation chamber 30b through the periphery of the inner chamber 1111, and then flows into the first heat dissipation chamber 30a after exchanging heat through the wall of the inner chamber 1111 of the second heat dissipation chamber 30 b.

In this embodiment, the radar main body 10 is installed in a factory building or a clinker warehouse to be detected through the connecting piece 20 when in use, the radar main body 10 comprises a shell 11 and a radar module 13, the shell 11 is an area relatively independent of the detected environment, the radar module 13 is arranged in the radar main body, the radar module 13 can be protected, the radar main body can be prevented from being directly exposed to a high-temperature environment, and the internal components can be prevented from being damaged by dust or water vapor. Of course, other components, such as a control member, etc., may be provided in the housing 11, which is not limited herein. The radar module 13 is an existing radar structure, and can realize functions of material scanning, static target detection, space scanning imaging, volume or weight calculation and output, and the like, which are not described herein. The connector 20 may be a connection flange that is fixedly mounted by threads. The connector 20 may be a chuck or a plug, and is connected to a factory building or a warehouse by a snap connection or a plug connection, which is not limited herein.

In an example, the housing 11 may have a cylindrical shape, and an inner cavity 1111 is formed therein, one end of the housing is open, the other end of the housing is closed, and the other end of the housing is open, so as to protect the radar module 13 when the radar module 13 is disposed at the bottom of the inner cavity 1111. It will be appreciated that the bottom structure of the housing 11 may be transparent to facilitate imaging of the radar module 13. The connector 20 is generally annular in shape, with an inner edge connected to the edge of the first opening 1112 and an outer edge connected to the location where it is mounted.

The heat dissipating body 30 is a structure for dissipating heat from the radar body 10, and is connected to opposite sides of the connector 20 with the radar body 10, so as to be located outside the applied factory building or warehouse, and reduce contact with the inside high-temperature environment. A closed internal circulation flow path is formed between the heat radiation body 30 and the radar body 10 and the connector 20, and is a flow path through which the air flow circulates, and an internal circulation driving member 15, for example, a circulation fan, is provided in the internal circulation flow path to drive the air flow to circulate, thereby improving the heat radiation effect.

The material of the heat dissipating body 30 may be a material with good heat conductivity, such as metal, ceramic, etc., and is not limited herein. In an example, the heat dissipating body 30 is formed with a first heat dissipating cavity 30a and a second heat dissipating cavity 30b that are communicated, and the first heat dissipating cavity 30a and the second heat dissipating cavity 30b are arranged in a radial direction of the housing 11, that is, the second heat dissipating cavity 30b is close to an edge of the housing 11, the first heat dissipating cavity 30a is embedded in the second heat dissipating cavity 30b, openings of the first heat dissipating cavity 30a and the second heat dissipating cavity 30b face the first opening 1112, and by driving of the inner circulation driving member 15, a hot air flow of the radar module 13 at the bottom is transferred upwards into the second heat dissipating cavity 30b, and a cavity wall of the second heat dissipating cavity 30b can exchange heat with a cold air flow of an outdoor environment, so that the temperature is reduced, and the low-temperature air flow after heat exchange can return into the inner cavity 1111 again through the first heat dissipating cavity 30a, and heat exchange of the radar module 13 is continued. That is, the air flow runs as radar module 13-second heat dissipation chamber 30 b-first heat dissipation chamber 30 a-inner chamber 1111. The first heat dissipation chamber 30a and the second heat dissipation chamber 30b may be annular, or may have a plurality of spatial structures spaced apart from each other in the circumferential direction of the heat dissipation body 30, and are not limited thereto.

The radar apparatus 100 according to the present invention includes a radar body 10 and a heat dissipating body 30 connected to the radar body 10 through a connector 20, wherein the connector 20 is a structure for installing the radar apparatus 100, and can be installed at the top of a factory building, so that the radar body 10 is located in the factory building and the heat dissipating body 30 is located outside the factory building. The temperature in the factory building is up to 150 ℃, and the worst temperature of outdoor environment is 70 ℃, so radar main part 10 encloses jointly with radiating main part 30 and is formed with confined inner loop flow path, and under the drive of inner loop drive piece 15, can make the air current pass through radar module 13 after with its heat transfer to radiating main part 30 department, and then diffuse to the external world, realize the cooling of radar main part 10, avoid the heat to pile up, promote the radiating effect of radar device 100 under high temperature environment. And the internal circulation flow path is closed, so that the high protection requirement of the radar device 100 can be met, the entry of dust and water vapor is effectively reduced, and the protection performance of the radar device 100 is improved.

Referring to fig. 2, 3, 5 and 6, in a possible embodiment of the present invention, the radar main body 10 further includes a wind guiding shell 17, the wind guiding shell 17 body 11 forms a wind guiding cavity 172 with a fourth opening 171, the wind guiding shell 17 is located in the cavity 1111, an edge of the fourth opening 171 is connected to the connecting piece 20, the fourth opening 171 is abutted to the second opening 30c, a cavity bottom of the wind guiding cavity 172 is provided with an air inlet 173 communicating with the cavity, and an opening edge of the wind guiding cavity 172 is provided with an air passing hole 174 communicating with the second heat dissipating cavity 30b and the cavity 1111;

The inner circulation driving member 15 is located between the air guiding housing 17 and the radar module 13, so as to drive the air flow in the first heat dissipating chamber 30a to enter the inner chamber 1111 through the air guiding chamber 172 and the air inlet 173, and enter the second heat dissipating chamber 30b through the periphery of the inner chamber 1111 and the air passing hole 174.

In this embodiment, the wind guiding shell 17 is substantially configured as a basin, and the fourth opening 171 faces the second opening 30c, where the second opening 30c can be matched with the fourth opening 171 in size, so as to realize sealing and butting, and avoid leakage of air current. The air guiding shell 17 is located in the middle of the inner cavity 1111 and on the side of the radar module 13 facing the heat dissipating body 30, and its edge is connected to the inner edge of the connecting member 20. Through setting up inner loop driving piece 15 between wind-guiding shell 17 and radar module 13, can make the air current all blow to the radar module 13 of inner chamber 1111 through wind-guiding chamber 172, fresh air inlet 173, when the air current in the inner chamber 1111 accumulated to a certain extent, with the air current after the heat transfer of radar module 13 under the effect of pressure, can follow the ring passageway between the chamber wall of wind-guiding shell 17 and inner chamber 1111 and discharge to get into in the second heat dissipation chamber 30b after the fresh air inlet 174. That is, the inner circulation flow path is the air guiding cavity 172-the air inlet hole 173-the inner cavity 1111-the circular ring channel-the air passing hole 174-the second heat dissipating cavity 30 b-the first heat dissipating cavity 30 a-the air guiding cavity 172, and the arrangement of the air guiding shell 17 can refine the flow direction of the air flow, reduce the air flow disorder and improve the air flow circulation rate, thereby improving the heat dissipating efficiency. The number of the air inlet 173 may be one or plural, and is not limited herein. The air passage 174 may be set according to the shape of the first heat dissipation chamber 30a and the second heat dissipation chamber 30b, for example, when the first heat dissipation chamber 30a and the second heat dissipation chamber 30b are annular, the air passage 174 may be one or more, or may be annular, and the air passage is provided at a circumferential side of the air guide case 17 in a spaced-apart annular manner.

Of course, in other embodiments, the air guiding shell 17 may have a cylindrical body 341 with two open ends, and be mounted on the wall of the inner cavity 1111 or the inner circulation driving member 15.

Referring to fig. 2, 4, 6 and 7, in a possible embodiment of the present invention, the radar main body 10 further includes a fixing frame 18 and a wind scooper 19, the fixing frame 18 is installed in the inner cavity 1111, the radar module 13 is installed on one side of the fixing frame 18, one end of the wind scooper 19 is disposed on the other side of the fixing frame 18 away from the radar module 13, and is communicated with the inner cavity 1111, and the other end is connected to the wind scooper 17 and is communicated with the air inlet 173;

the inner circulation driving member 15 is disposed between the air guiding cover 19 and the air inlet 173, and is configured to drive the air flow in the first heat dissipation chamber 30a to enter the inner cavity 1111 through the air guiding chamber 172, the air inlet 173 and the air guiding cover 19.

In this embodiment, in order to further improve the circulation stability of the air flow, a wind scooper 19 is provided, the wind scooper 19 is approximately in a long-strip shape, and two ends of the wind scooper 19 are respectively abutted against the air inlet 173 of the wind scooper 17 and the radar module 13, so that the air flow in the wind scooper 172 can be stably transmitted to the periphery of the radar module 13 through the internal circulation driving member 15, so as to achieve the effect of directly blowing the radar module 13, and effectively achieve cooling. Meanwhile, in order to improve structural stability, one end of the wind scooper 19 is connected to the inner circulation driving member 15, and is fixed to the wind scooper 17 by the assembly of the inner circulation driving member 15 and the air inlet 173. The fixing frame 18 provided with the radar module 13 is provided with an avoidance hole, the other end of the wind scooper 19 facing the radar module 13 is fixed on the fixing frame 18 and is communicated with the bottom of the inner cavity 1111 through the avoidance hole, so that the air flow directly reaches the radar module 13. The connection mode of the components can be, but not limited to, threaded connection, plugging, welding and the like.

With reference to fig. 2 and fig. 4, in a possible embodiment of the present invention, two air guiding covers 19 and two inner circulation driving members 15 are provided, two air inlets 173 are provided, two air guiding covers 19 are spaced apart from the fixing frame 18 and located at two opposite sides of the radar module 13, and one inner circulation driving member 15 is correspondingly disposed between one air inlet 173 and one end of the air guiding cover 19.

In this embodiment, according to the structural characteristics of the radar module 13, two wind scoopers 19 are provided, and through two inner circulation driving members 15, two air inlet holes 173 and two avoidance holes of the fixing frame 18, air flows are blown to two opposite sides of the radar module 13 at the same time, so that the heat dissipation efficiency of the radar module 13 is further improved, and the heat dissipation effect is improved. Alternatively, the two air guiding hoods 19 may be symmetrically arranged, so that the air flow in the inner cavity 1111 is more uniform, the circulation is more stable, and turbulence and noise are reduced. Alternatively, the two wind scoopers 19 are provided at the idle positions after the fixing frame 18 is provided with the driving member or the like, so that the structure can be compact, the space utilization can be improved, and the miniaturization of the radar module 13 can be facilitated.

Referring to fig. 7 and 8, in a possible embodiment of the present invention, the heat dissipating main body 30 includes a heat dissipating inner shell 31, a heat dissipating outer shell 32, and a heat insulating shell 33, wherein the heat dissipating outer shell 32 is sleeved on the heat dissipating inner shell 31, one end of the heat dissipating outer shell 32 is connected to the connecting piece 20, the other end is connected to the same side end of the heat dissipating inner shell 31, one end of the heat insulating shell 33 is connected with the edge of the fourth opening 171 in a sealing manner, and the other end extends between the heat dissipating outer shell 32 and the heat dissipating inner shell 31 and is spaced from the connecting ends of the heat dissipating inner shell 31 and the heat dissipating outer shell 32, and the heat dissipating inner shell 31 is closed towards one end of the air guiding shell 17;

The second heat dissipation chamber 30b is formed between the heat insulation shell 33 and the heat dissipation outer shell 32, and the first heat dissipation chamber 30a is formed between the heat insulation shell 33 and the heat dissipation inner shell 31.

In this embodiment, in order to form the first heat dissipation chamber 30a and the second heat dissipation chamber 30b which are communicated, the heat dissipation main body 30 includes the heat dissipation inner shell 31, the heat dissipation outer shell 32 and the heat insulation shell 33 arranged therebetween, the heat dissipation outer shell 32 and the heat dissipation inner shell 31 which are arranged at intervals are inserted through the heat insulation shell 33, and the end parts connected with the heat dissipation inner shell 31 are arranged at intervals, of course, the two surfaces of the heat insulation shell 33 are also arranged at intervals between the heat dissipation inner shell 31 and the heat dissipation outer shell 32, so that the first heat dissipation chamber 30a with the second opening 30c and the second heat dissipation chamber 30b with the third opening 30d are formed. In other embodiments, the first heat dissipation cavity 30a may be formed by enclosing a first structure and a second structure, and the second heat dissipation cavity 30b may be formed by enclosing a third structure and a fourth structure and communicated through one end. One end of the heat dissipation inner shell 31 is closed and is not communicated with the outside, so that the air flow of the first heat dissipation cavity 30a directly enters the air guide cavity 172 to dissipate heat of the radar module 13 next time.

The material of the heat insulating shell 33 may be a heat insulating material, for example, asbestos, glass fiber, or the like, and is not limited thereto. The heat insulation shell 33 can insulate heat from the two heat dissipation cavities, so that the heat of the air flow of the second heat dissipation cavity 30b is reduced to interfere with the air flow temperature of the first heat dissipation cavity 30a, and the heat dissipation effect is further improved. One end of the heat insulation shell 33 facing the radar module 13 is in sealing connection with the air guide shell 17, so that air flow in the air guide cavity 172 can be reduced from directly leaking to the second heat dissipation cavity 30b, the air flow is enabled to exchange heat through the radar module 13, heat exchange efficiency is improved, and stability of air flow circulation is improved.

Referring to fig. 8 and 10, in a possible embodiment of the invention, the heat dissipation housing 32 includes a first body 321, a plurality of first inner fins 322 and a plurality of first outer fins 323, the plurality of first inner fins 322 are spaced and looped on an inner circumference side of the first body 321, the plurality of first outer fins 323 are spaced and looped on an outer circumference side of the first body 321, one end of the first body 321 is connected with the connecting piece 20, the other end is connected with an end of the heat dissipation inner shell 31, and an outer side of the heat insulation shell 33 is abutted against the first inner fins 322;

and/or, referring to fig. 8, 11 and 12, the heat dissipation inner shell 31 includes a second body 311, a plurality of second inner fins 312 and a plurality of second outer fins 313, the plurality of second inner fins 312 are arranged on the inner circumference side of the second body 311 in a spaced-apart ring manner, the plurality of second outer fins 313 are arranged on the outer circumference side of the second body 311 in a spaced-apart ring manner, one end of the second body 311 is connected with the heat dissipation outer shell 32, and the inner side of the heat insulation shell 33 is abutted against the second outer fins 313.

In this embodiment, in order to further improve the radiation efficiency, the heat dissipation housing 32 includes a first body 321, where the first body 321 is annular, for example, annular, and a plurality of first inner fins 322 are disposed on an inner peripheral side of the first body at intervals, and the plurality of first inner fins 322 are respectively disposed in a sheet shape and face a radial direction of the first body 321, so that a heat exchange area of an air flow with an internal circulation flow path can be increased, and the heat exchange efficiency is improved. Meanwhile, a plurality of first outer fins 323 are arranged on the outer periphery side of the first body 321 at intervals, the first outer fins 323 are also arranged in a sheet shape and face the radial direction of the first body 321, so that the heat exchange area of the heat dissipation shell 32 and the outdoor space can be further increased, and the heat exchange efficiency and effect are further improved. Optionally, each of the first inner fin 322 and the first outer fin 323 extends along the axial direction of the first body 321 and has the same height as the first body 321 to further increase the heat exchange area. Thus, when the air flows through the second heat dissipation chamber 30b, heat exchange is performed with the first inner fins 322, and heat is transferred to the first body 321, and then is diffused to the outside through the first outer fins 323.

In an example, the outer peripheral side of the heat insulating shell 33 may directly abut against the first inner fins 322, and thus, a space between two adjacent first inner fins 322 may form a part of the second heat dissipation chamber 30b, so that the structure is more stable and compact.

In an example, the first inner fins 322 and the first outer fins 323 are disposed offset in a radial direction of the first body 321. In yet another example, to facilitate the connection of the heat dissipation shell 32, the first body 321 is bent towards one end of the housing 11 to form a connection lug, and the bottom of the first outer fin 323 abuts against the connection lug, and the connection lug is detachably connected or fixedly connected with the connection member 20. Optionally, the first body 321, the first inner fin 322 and the first outer fin 323 are integrally formed, so that the structural strength is high, the stability is good, and the material can be metal.

On the basis of defining or not defining the structure of the heat dissipation outer shell 32 as the above embodiment, the heat dissipation inner shell 31 is provided to include the second body 311, the second body 311 is also annular, for example, annular, and the inner peripheral side is circumferentially and alternately arranged with a plurality of second inner fins 312, the outer peripheral side is circumferentially and alternately arranged with a plurality of second outer fins 313, and the second outer fins 313 and the second inner fins 312 are both sheet-shaped and are oriented to the radial direction of the second body 311, so that the heat exchange area of the heat dissipation inner shell 31 can be further increased, and the heat exchange efficiency and effect can be further improved. At this time, the heat insulating case 33 may directly abut against the second outer fins 313, so that a space between two adjacent second outer fins 313 forms a part of the first heat dissipation chamber 30a, which makes the structure of the heat dissipation body 30 more stable and compact. Optionally, the second inner fin 312 and the second outer fin 313 each extend along the axial direction of the second body 311 and have the same height as the second body 311 to further increase the heat exchange area. In an example, the second body 311, the second inner fin 312 and the second outer fin 313 are integrally formed, and the second body has high structural strength and good stability, and may be made of metal.

Referring to fig. 8, 9, 13 and 14, in a possible embodiment of the present invention, the heat dissipating main body 30 further includes a heat dissipating upper shell 34, the heat dissipating upper shell 34 includes a cylinder 341 with two open ends and a top cover 342 connected to one end of the cylinder 341, the top cover 342 is provided with an air inlet hole 3421 communicating with the cylinder 341, the cylinder 341 is inserted into the heat dissipating inner shell 31 and forms a first gap 3411 with the heat dissipating inner shell 31, the top cover 342 covers the same side ends of the heat dissipating inner shell 31 and the heat dissipating outer shell 32 and forms a second gap 3422 with the end of the heat dissipating outer shell 32, an outer circulation driving member 35 is disposed in the cylinder 341, and the cylinder 341, the first gap 3411 and the second gap 3422 are enclosed together to form an outer circulation flow path;

the external circulation driving member 35 drives the external cold air to enter the external circulation flow path through the air inlet hole 3421, exchanges heat with the internal circulation flow path, and flows to the outside of the heat dissipation housing 32.

In this embodiment, in order to further improve the heat dissipation effect, the heat dissipation main body 30 further includes a heat dissipation upper shell 34, and an outer circulation flow path is formed by enclosing between the heat dissipation upper shell 34 and the heat dissipation inner shell 31 and the heat dissipation outer shell 32, that is, the outdoor air flow is circulated through the outer circulation flow path and then discharged to the outside, so that the outdoor air flow with lower temperature and the air flow of the inner circulation flow path perform radiation heat exchange, the air flow temperature returning to the first heat dissipation cavity 30a is further reduced, and the heat dissipation effect on the radar module 13 is further improved.

Optionally, the upper heat dissipation shell 34 includes a cylinder 341 and a top cover 342, where the cylinder 341 is inserted into the inner heat dissipation shell 31 and is spaced from the inner wall of the inner heat dissipation shell 31, so as to form a first gap 3411, or when the inner heat dissipation shell 31 is provided with the second inner fins 312, the second inner fins 312 may be directly abutted, and the first gap 3411 is formed by a space between two adjacent second inner fins 312. The top cover 342 is covered on the end of the heat dissipation inner shell 31, and the height of the second inner fin 312 is higher than the height of the second body 311, so that a second gap 3422 is formed between the second body 311 and the end of the heat dissipation outer shell 32, the outer circulation driving member 35 can be a fan, and the air flow outside the driving chamber enters the cylinder 341 through the air inlet hole 3421 and is discharged from the outer periphery side of the heat dissipation outer shell 32 after passing through the first gap 3411 and the second gap 3422, so that heat exchange can be performed between the air flow of the inner circulation flow path and the heat dissipation inner shell 31. In other examples, the end of the second body 311 of the inner heat dissipation shell 31 may be provided with a supporting structure to support the top cover 342, and a passage may be formed to allow the air flow to pass through.

Referring to fig. 8 and 9, in a possible embodiment of the present invention, the heat dissipating body 30 further includes a fixing case 36, the heat dissipating inner case 31 is a cylindrical body 341 with two open ends, the fixing case 36 covers one end of the heat dissipating inner case 31 facing the air guiding case 17, an expansion portion 361 is formed protruding toward the heat dissipating upper case 34, a space 362 is formed between one end of the cylindrical body 341 away from the top cover 342 and an end surface of the expansion portion 361, and the cylindrical body 341, the space 362, the second space 3422 and the first space 3411 together enclose the external circulation flow path.

In this embodiment, the fixing housing 36 includes a bottom plate body and an expansion portion 361 connected to an inner peripheral side of the plate body, and the plate body is approximately "several" shaped, and can seal the bottom of the first gap 3411 to prevent external air flow from entering the inner cavity 1111, and the expansion portion 361 can increase a space between the first heat dissipation cavity 30a and the air guiding cavity 172, so that the air flow in the internal circulation flow path is larger, and the heat dissipation efficiency of the radar module 13 can be improved. Meanwhile, the arrangement of the expansion part 361 reduces the flow path of the outdoor air flow entering the cylinder 341 so as to accelerate the air flow speed of the external circulation flow path, and further improve the heat exchange efficiency. Here, the outer circulation flow path circulates from the outdoor-air inlet hole 3421-the cylinder 341-the space 362-the first gap 3411-the second gap 3422-the outdoor.

Referring to fig. 2 and 3, in a possible embodiment of the present invention, the housing 11 includes a radar outer shell 113, a heat insulation member 112, and a radar inner shell 111, the radar inner shell 111 is formed with the inner cavity 1111, one side of the connecting member 20 is connected to one end of the radar inner shell 111, the heat insulation member 112 is sleeved on the periphery of the radar inner shell 111, and the radar outer shell 113 is sleeved on the periphery of the heat insulation member 112.

In this embodiment, in order to reduce the influence of high temperature in the factory building on the radar module 13, the housing 11 is configured as a multi-layer structure, including the radar outer housing 113, the radar inner housing 111 and the heat insulation member 112 sandwiched therebetween, where the heat insulation member 112 may be heat insulation cotton or glass fiber, etc., without limitation, so that the heat radiation can be reduced to enter the inner cavity 1111, and the heat insulation effect is improved. The heat dissipation inner shell 31 can also reduce heat exchange between heat exchange air flow and heat insulation cotton, and improve heat dissipation effect. Here, the radar inner shell 111 is cylindrical, the heat insulating member 112 is also cylindrical, and a part of the radar outer shell 113 is cylindrical, and the bottom is hemispherical, so that the radar module 13 can conveniently realize imaging at multiple angles. Alternatively, both radar outer shell 113 and radar inner shell 111 are rigid materials, such as metals, ceramics, etc., to enhance protection.

With continued reference to fig. 3, in a possible embodiment of the present invention, the radar housing 113 includes a casing 1131 and a lower casing 1132, the casing 1131 is sleeved on the periphery of the heat insulation member 112, the lower casing 1132 is connected to an end of the casing 1131 away from the connecting member 20, and the radar inner casing 111 and the lower casing 1132 together form the inner cavity 1111.

In this embodiment, for convenient maintenance, the radar housing 113 is set to be a detachable enclosure 1131 and a detachable lower housing 1132, the enclosure 1131 is in a cylinder 341 structure, and the lower housing 1132 is hemispherical, so, when the radar module 13 needs to be overhauled, only the lower housing 1132 needs to be disassembled, which is convenient and fast. Meanwhile, the enclosure 1131 and the lower enclosure 1132 may be made of different materials, the enclosure 1131 may be made of metal, and the lower enclosure 1132 is made of plastic, so as to meet the structural strength and imaging requirements.

In a possible embodiment of the present invention, the connection member 20 is a connection flange, and the connection flange is provided with a threaded connection hole for threaded installation of the radar apparatus 100;

and/or, referring to fig. 2, the radar apparatus 100 further includes a heat insulation pad 40, and the heat insulation pad 40 is disposed between the connector 20 and the radar main body 10.

In this embodiment, the connecting piece 20 is a connecting flange, and holes can be formed in a factory building, and the connecting flange can realize stable connection and fixation through threaded connection of a plurality of threaded connection holes, so as to ensure the installation stability of the radar device 100.

The heat insulation pad 40 is disposed between the connector 20 and the radar body 10 on the basis of defining or not defining the type of the connector 20, so that heat transfer from the top of the plant to the flange can be reduced to ensure a heat dissipation effect. The material of the heat insulating mat 40 may be asbestos, glass fiber, or the like, and is not limited thereto.

Furthermore, the housing 11 and the heat dissipating body 30 constitute a complete seal, in which the internal circulation drive 15 circulates only, thus ensuring high protection requirements of the radar module 13.

It should be noted that, in the radar apparatus 100, only the external circulation driving member 35 is in air flow communication with the external air, so that the protection level of the whole machine can be improved by selecting a dustproof and waterproof fan for the external circulation driving member 35.

Through the combined use of the internal circulation scheme and the external circulation scheme, the protection capability of the radar device 100 is guaranteed, heat can be rapidly conveyed from the bottom of the equipment to the top of the equipment for heat dissipation, and the heat dissipation optimization is realized.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. A radar apparatus, comprising:

the air guide shell is positioned above the radar module along the vertical direction and below the top of the radiating main body, and under the action of the internal circulation driving piece, air flow below the air guide shell flows to a cavity above the air guide shell through an internal circulation flow channel;

the air guide shell comprises a bottom wall and a side wall, the side wall is arranged on one side of the bottom wall facing the heat dissipation main body, the heat dissipation main body comprises a heat dissipation shell, and the inner circulation runner comprises a cavity between the bottom wall and the shell, a cavity between the side wall and the shell and a cavity between the side wall and the heat dissipation shell.

2. The radar apparatus of claim 1, wherein the side wall includes a first side wall and a second side wall connected in a vertical direction, the second side wall is disposed in the heat dissipation case, the wind guiding case further includes a third side wall, the third side wall is disposed along a circumferential side of the first side wall in a bending and extending manner, and is connected to the connecting member, and the third side wall is provided with a wind passing hole.

3. The radar apparatus of claim 2, further comprising a wind scooper disposed above the radar module, the bottom wall having an air inlet, the inner circulation driving member being disposed between the air inlet and the wind scooper.

4. The radar apparatus of claim 2, wherein the heat dissipating body further comprises a heat dissipating inner case and a fixing case, the second side wall is disposed between the heat dissipating inner case and the heat dissipating outer case, and has a height lower than that of the heat dissipating inner case, and the fixing case is disposed between the heat dissipating inner case and the air guiding case, and seals an end of the heat dissipating inner case facing the air guiding case.

5. The radar apparatus of claim 4, wherein the heat-dissipating inner case has a cylindrical structure with two open ends, edges of the fixing case are connected with an end face of the heat-dissipating inner case facing the wind guiding case, and an expansion part is formed in a protruding manner in a middle of the fixing case facing a direction away from the wind guiding case.

6. The radar apparatus of claim 4, wherein the heat dissipating casing includes a first body, a plurality of first inner fins, and a plurality of first outer fins, the plurality of first inner fin spacer rings being provided on an inner peripheral side of the first body, the plurality of first outer fin spacer rings being provided on an outer peripheral side of the first body, one end of the first body being connected to the connecting member, the other end being connected to an end of the heat dissipating inner casing, an outer side of the second side wall being abutted against the first inner fins;

7. The radar apparatus according to any one of claims 4 to 6, wherein the heat-radiating main body further includes a heat-radiating upper case including a cylinder body having both ends open and a top cover connected to one end of the cylinder body, the top cover being provided with an air inlet hole communicating with the cylinder body, the cylinder body being inserted into the heat-radiating inner case and forming a first gap with the heat-radiating inner case, a space being formed between an end of the cylinder body remote from the top cover and an end face of the stationary case, the top cover covering the same-side end portions of the heat-radiating inner case and the heat-radiating outer case and forming a second gap with the end portion of the heat-radiating outer case;

The cylinder is internally provided with an outer circulation driving piece, the outer circulation flow path comprises a space, a first gap, a spacing space and a second gap, wherein the space is surrounded by the inner wall of the cylinder, and the outer circulation driving piece drives air flow to exchange heat with the inner circulation flow path through the outer circulation flow path.

8. A radar apparatus, comprising:

the radar device comprises a radar main body, a radar module and an internal circulation driving piece, wherein the radar main body comprises a shell, the radar module and an internal circulation driving piece, the shell forms an inner cavity with a first opening, the radar module is arranged at the bottom of the inner cavity, and the internal circulation driving piece is arranged in the inner cavity and is positioned above the radar module;

the connecting piece is connected with the edge of the first opening at one side; and

the inner circulation driving piece drives the air flow to circulate in an inner circulation flow path, and the inner circulation flow path comprises an inner cavity enclosed by the shell, a first heat dissipation cavity and a second heat dissipation cavity; the inner circulation driving piece drives the air flow of the first heat dissipation cavity to enter the inner cavity for heat exchange with the radar module, then flows to the second heat dissipation cavity through the periphery of the inner cavity, and flows into the first heat dissipation cavity after heat exchange through the inner cavity wall of the second heat dissipation cavity;

The radar main body further comprises an air guide shell, the air guide shell forms an air guide cavity with a fourth opening, the air guide shell is located in the inner cavity, the fourth opening is in butt joint with the second opening, and the inner circulation driving piece is located between the air guide shell and the radar module so as to drive air flow of the first heat dissipation cavity to enter the inner cavity through the air guide cavity and enter the second heat dissipation cavity through the periphery of the inner cavity.

9. The radar apparatus of claim 8, wherein the edge of the fourth opening is connected to the connecting piece, an air inlet hole communicating with the inner cavity is formed in the bottom wall of the air guiding cavity, and an air passing hole communicating with the second heat dissipating cavity and the inner cavity is formed in the edge of the opening of the air guiding cavity;

the inner circulation driving piece drives air flow of the first heat dissipation cavity to enter the inner cavity through the air guide cavity and the air inlet hole, and enters the second heat dissipation cavity through the periphery of the inner cavity and the air through hole.

10. The radar apparatus of claim 9, wherein the radar main body further comprises a fixing frame and a wind scooper, the fixing frame is mounted in the inner cavity, the radar module is mounted on one side of the fixing frame, one end of the wind scooper is arranged on the other side of the fixing frame away from the radar module and is communicated with the inner cavity, and the other end of the wind scooper is connected to the wind scooper and is communicated with the air inlet;

11. The radar apparatus of claim 10, wherein two air guiding hoods and two inner circulation driving members are respectively provided, two air inlets are provided, two air guiding hoods are arranged on the fixing frame at intervals and are positioned on two opposite sides of the radar module, and one inner circulation driving member is correspondingly arranged between one air inlet and one end of the air guiding hood.

12. The radar apparatus according to any one of claims 9 to 11, wherein the heat-radiating body includes a heat-radiating inner casing, a heat-radiating outer casing, and a heat-insulating casing, the heat-radiating outer casing is sleeved on the heat-radiating inner casing, one end of the heat-radiating outer casing is connected to the connecting piece, the other end is connected to the same-side end of the heat-radiating inner casing, one end of the heat-insulating casing is hermetically connected to the edge of the fourth opening, the other end extends between the heat-radiating outer casing and the heat-radiating inner casing, and is disposed at a distance from the connecting ends of the heat-radiating inner casing and the heat-radiating outer casing, and the heat-radiating inner casing is disposed to be closed toward one end of the air-guiding casing;

13. The radar apparatus of claim 12, wherein the heat dissipating casing includes a first body, a plurality of first inner fins, and a plurality of first outer fins, the plurality of first inner fin spacer rings being provided on an inner peripheral side of the first body, the plurality of first outer fin spacer rings being provided on an outer peripheral side of the first body, one end of the first body being connected to the connecting piece, the other end being connected to an end of the heat dissipating inner casing, an outer side of the heat insulating casing being abutted against the first inner fins;

14. The radar apparatus of claim 12, wherein the heat dissipating main body further comprises a heat dissipating upper case, the heat dissipating upper case comprises a cylinder with two open ends and a top cover connected to one end of the cylinder, the top cover is provided with an air inlet hole communicated with the cylinder, the cylinder is inserted into the heat dissipating inner case and forms a first gap with the heat dissipating inner case, the top cover covers the same side ends of the heat dissipating inner case and the heat dissipating outer case and forms a second gap with the ends of the heat dissipating outer case, an outer circulation driving member is arranged in the cylinder, and the cylinder, the first gap and the second gap jointly enclose to form an outer circulation flow path;

15. The radar apparatus of claim 14, wherein the heat dissipating body further comprises a fixing case, the heat dissipating inner case has a cylindrical structure with two open ends, the fixing case is covered on one end of the heat dissipating inner case facing the air guiding case, an expansion part is formed protruding toward the heat dissipating upper case, a space is formed between one end of the cylindrical body far away from the top cover and an end face of the expansion part, and the cylindrical body, the space, the second gap and the first gap are surrounded together to form the external circulation flow path.

16. The radar apparatus according to any one of claims 9 to 11, wherein the housing includes a radar outer housing, a heat insulating member, and a radar inner housing, the radar inner housing being formed with the inner cavity, one side of the connecting member being connected to one end of the radar inner housing, the heat insulating member being fitted around an outer periphery of the radar inner housing, and the radar outer housing being fitted around an outer periphery of the heat insulating member.