CN208421215U - A kind of laser radar radiator - Google Patents

A kind of laser radar radiator Download PDF

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Publication number
CN208421215U
CN208421215U CN201820913979.5U CN201820913979U CN208421215U CN 208421215 U CN208421215 U CN 208421215U CN 201820913979 U CN201820913979 U CN 201820913979U CN 208421215 U CN208421215 U CN 208421215U
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heat sink
side plate
monomer
laser radar
plate
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李家盛
向少卿
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Hesai Photonics Technology Co Ltd
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Hesai Photonics Technology Co Ltd
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Abstract

The utility model provides a kind of laser radar radiator, the radiator includes heat sink component, the connection of the rotor of the heat sink component and laser radar, the heat sink component includes at least one heat sink monomer, the heat sink monomer is extended with radiating part far from the side of laser radar rotor center, and the radiating part includes multiple radiating fins or at least one turbulence blades.The connection of the laser beam emitting device of radiator described in the utility model and laser radar, the connection of the rotor of the heat sink component and laser radar, the rotor is able to drive the heat sink component palette rotary motion, so that the air of peritrochanteric, which forces, occurs convection current, improve space utilization rate in laser radar system, the space of laser radar outgoing system focal plane position is released, calorific value is effectively solved greatly and heat is difficult the problems such as being exported.

Description

A kind of laser radar radiator
Technical field
The utility model relates to laser radar technique field, in particular to a kind of laser radar radiator.
Background technique
As an important ring for intelligent vehicle environment sensing hardware system, laser radar (LIDAR) undertakes in automatic Pilot Curb detection, obstacle recognition and positioning in real time and vital tasks such as (SLAM) of drawing.LIDAR system includes Laser emission System and a reception system.Laser emission system is generated and transmitted by light pulse, beats on object and reflects, finally quilt Receiver is received.Receiver accurately measures light pulse from being emitted to the propagation time being reflected back toward.Because light pulse is with light Speed is propagated, so receiver always receives the previous pulse being reflected back toward before next pulse sending.It is in view of the light velocity Known, the propagation time can be converted into the measurement adjusted the distance.Laser radar energy precise measurement target position is (away from walk-off angle Degree), motion state (speed, vibration and posture) and shape, detection, identification are differentiated and tracking target.Due to measuring speed Fastly, the advantages that precision is high remote with ranging, laser radar is widely applied on intelligent vehicle.
Currently, it is that multiple laser light source multiplexings are same or one group saturating that mechanical multi-line laser radar, which generates multi-thread mode, Mirror is arranged in different height on the focal plane of lens, thus generates the different directive property of vertical direction, constitutes multi-thread.Laser thunder Up to the raising in order to realize line number, conventional methods are arranged laser on the different height of diversing lens image planes.Difference in height is smaller, Then line number is more, and line angular resolution is higher.Conventional use of Laser Diode Pulse LED lighting area is small-sized, still Actually due to the influence of chip package and driving circuit size, the spacing between laser can not become very close.It considers This practical limitation, in order to realize higher line number and higher angular resolution, be forced can only be by increasing in the horizontal direction More multiple row laser realizes the encryption of angle and increasing for line number, and this will lead to that columns is more, production resetting difficulty is big, work Skill is more complicated, and production efficiency is lower;Space utilization rate is low in system, especially squeezes at focal plane position, calorific value and big, heat The a series of problem such as it is difficult to be exported.Therefore, it is necessary to provide a kind of radiator, cooperate the technological means solution of fiber coupling The certainly problem that laser radar harness increases and radiates.
Utility model content
In order to solve the above technical problems, the utility model discloses a kind of laser radar radiator, the radiator Including heat sink component, the rotor of the heat sink component and laser radar is connected, and the heat sink component includes at least one heat sink list Body, the heat sink monomer are extended with radiating part far from the side of the rotor center.
As an implementation, the radiating part includes multiple radiating fins, and multiple radiating fins misplace side by side Splicing setting.
Further, multiple radiating fins are successively staggered along the heat sink monomer short transverse and stepped rising Or decline splicing setting.
As an implementation, the radiating part includes turbulence blades, and the turbulence blades have streamline profile.
Further, the heat sink component further includes heat sink bottom plate, and the heat sink monomer is connect with the heat sink bottom plate, institute The rotor for stating heat sink bottom plate and laser radar connects.
Further, the heat sink component includes multiple heat sink monomers, and multiple heat sink monomer stackings are connected to On the heat sink bottom plate, and multiple heat sink monomers are successively parallel to each other and stack connection.
Further, the heat sink monomer includes first substrate, the first side plate and the second side plate, first side plate and Two side plates are connect with the first substrate respectively, first side plate and the setting of the second side plate interval.
As an implementation, the first substrate has opposite first surface and second surface, first side Plate and the second side plate are set to the first surface;
The first substrate be located at the second surface outer ledge be equipped with circumferentially extending locating recesses, described second Surface, which corresponds to, is equipped with the first positioning groove at second side Board position.
Further, the adjacent two pieces heat sink monomers are defined as the first heat sink monomer and the second heat sink monomer, and described The locating recesses of first side plate of one heat sink monomer and the described second heat sink monomer are cooperatively connected;
Second side plate of the first heat sink monomer and the first positioning groove of the described second heat sink monomer are cooperatively connected.
Further, the heat sink bottom plate includes the second substrate, third side plate and the 4th side plate, the third side plate and Four side plates are connect with the second substrate respectively, and the third side plate and first side plate are correspondingly arranged, the 4th side plate It is correspondingly arranged with second side plate, the third side plate and the 4th side plate are set to the same side of the second substrate Face;
The locating recesses of the third side plate of the heat sink bottom plate and the adjacent heat sink monomer are cooperatively connected, the heat sink bottom First positioning groove of the 4th side plate of plate and the adjacent heat sink monomer is cooperatively connected.
As an implementation, the first substrate has opposite first surface and second surface, first side Plate is set to the first surface, and second side plate is set to the second surface;
The first substrate be located at the second surface outer ledge be equipped with circumferentially extending locating recesses, described first Surface, which corresponds to, is equipped with the first positioning groove at second side Board position.
Further, the adjacent two pieces heat sink monomers are defined as the first heat sink monomer and the second heat sink monomer, and described The locating recesses of first side plate of one heat sink monomer and the described second heat sink monomer are cooperatively connected;
First side plate of the second heat sink monomer and the first positioning groove of the described second heat sink monomer are cooperatively connected.
Further, the heat sink bottom plate includes the second substrate and third side plate, the third side plate and second base Plate connection, the third side plate and first side plate are correspondingly arranged, and the heat sink backplate surface is equipped with and second side plate First positioning groove of cooperation;
The locating recesses of the third side plate of the heat sink bottom plate and the adjacent heat sink monomer are cooperatively connected, the adjacent heat The first side plate and first positioning groove of heavy monomer are cooperatively connected.
Further, the radiating part is set on the lateral wall of first side plate.
Preferably, the radiating fin includes the first radiating fin, the second radiating fin and third radiating fin, and described the One radiating fin, the second radiating fin and third radiating fin are successively staggered along the short transverse of first side plate and in ladders Shape rises splicing setting.
Further, the bottom surface of second radiating fin and the third radiating fin is equipped with limit plate, the limit Plate extends to the bottom surface of first radiating fin, the limit plate and first radiating fin and the locating recesses cooperate It defines to form the second positioning groove, second positioning groove is used to be clamped the first side plate of the adjacent heat sink monomer.
Preferably, multiple first lightening recesses are additionally provided on the second surface, for mitigating the weight of the heat sink monomer Amount, and increase the surface area of the heat sink monomer convenient for heat dissipation.
Further, the second substrate has opposite third surface and the 4th surface, and the substrate is logical equipped with loss of weight Hole, the loss of weight through-hole runs through the third surface and the 4th surface, for mitigating the weight of the heat sink bottom plate.
Preferably, multiple second lightening recesses are also provided on the third surface, for mitigating the heat sink bottom plate Weight, and increase the surface area of the heat sink bottom plate convenient for heat dissipation.
Further, the radiator further includes connector, and the heat sink component passes through connector and laser radar Rotor connection.
Preferably, the connector includes multiple screws, and the heat sink bottom plate is fixed on laser radar by the screw Rotor on.
Preferably, the connector further includes multiple positioning bolts, and the heat sink component is correspondingly provided with multiple location holes, institute It states positioning bolt and sequentially passes through the location hole of the heat sink component and be fixed on the rotor of laser radar.
Preferably, first side plate is equipped with corner cut, the upper table of the corner cut close to one end of the third radiating fin Face is coplanar with the upper surface of the third radiating fin.
Further, the material of the heat sink component is Heat Conduction Material.
Preferably, the material of the heat sink component is any one or the combination of several of them in copper, molybdenum, aluminium and silicon.
Further, the laser beam emitting device of the radiator and laser radar connects, the heat sink component and laser The rotor of radar connects, and the rotor is able to drive the heat sink component palette rotary motion, so that the air of peritrochanteric It forces and convection current occurs.
Preferably, the structure of the heat sink monomer is abnormity.
Preferably, the edge of the first substrate and the second substrate far from laser radar rotor center is arc-shaped, First side plate and third side plate correspondence are arc panel.
Preferably, the radiating fin can be set to the small tooth knot of corrugated far from the outer edge of laser radar rotor center Structure, increasing heat radiation area.
Preferably, the heat sink monomer is an integral molding structure.
Preferably, the heat sink bottom plate is an integral molding structure.
By adopting the above technical scheme, radiator described in the utility model has the following beneficial effects:
1) the utility model laser radar radiator is designed using stack, under the premise of being coupled based on optical fiber, will be swashed Tabula rasa expelling plate is bonded with heat sink monomer by heat-conducting silicone grease, and the heat dissipation of stepped rising is extended in the side of heat sink monomer Fin, the characteristic rotated when using working rotor drive radiating fin to rotate together, form forced convection, are obviously improved heat dissipation Effect;
2) the utility model laser radar radiator is designed using stack, under the premise of being coupled based on optical fiber, will be swashed Tabula rasa expelling plate is bonded with heat sink monomer by heat-conducting silicone grease, and the flow perturbation fan of streamline profile is extended in the side of heat sink monomer Piece, the characteristic rotated when using working rotor drive radiating fin to rotate together, form forced convection, are obviously improved heat dissipation effect Fruit;
3) connection, heat are stacked between the more reliable heat sink component of the connection of the utility model radiator and laser radar rotor The rotor for sinking to the bottom plate and laser radar is connected by screw to, and heat sink component also passes through positioning bolt and the rotor of laser radar connects It connects;
4) laser beam emitting device of the radiator and laser radar connects, turn of the heat sink component and laser radar Son connection, the rotor are able to drive the heat sink component palette rotary motion, occur so that the air of peritrochanteric forces Convection current improves space utilization rate in laser radar system, releases the space of laser radar outgoing system focal plane position, effectively It solves calorific value greatly and heat is difficult the problems such as being exported.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is laser radar assembling schematic diagram of the utility model embodiment 1 with radiator,
Fig. 2 is the heat sink component stereoscopic schematic diagram of utility model embodiment 1;
Fig. 3 is the heat sink monomer stereoscopic schematic diagram of utility model embodiment 1;
Fig. 4 is the heat sink monomer of utility model embodiment 1 first and the second heat sink monomer installation diagram;
Fig. 5 is another view stereo figure of Fig. 4;
Fig. 6 is the installation diagram of utility model the embodiment 1 heat sink monomer and connector;
Fig. 7 is the heat sink floor diagram of utility model embodiment 1;
The position Fig. 8 heat sink bottom plate of utility model embodiment 1 and heat sink monomer installation diagram;
Fig. 9 is the heat sink monomer of utility model embodiment 2 first and the second heat sink monomer explosive view;
Figure 10 is the stereoscopic schematic diagram of the heat sink bottom plate of utility model embodiment 2;
Figure 11 is the heat sink monomer of utility model embodiment 3 first and the second heat sink monomer installation diagram.
It remarks additionally below to attached drawing:
1- is heat sink component;
11- is heat sink monomer;The heat sink monomer of 11a- first;The heat sink monomer of 11b- second;110- radiating part;111- radiating fin Piece;The first radiating fin of 111a-;The second radiating fin of 111b-;111c- third radiating fin;112- turbulence blades;113- limit Position plate;The second positioning groove of 114-;101- first substrate;1011- first surface;1012- second surface;1013- locating recesses; The first positioning groove of 1014-;The first lightening recesses of 1015-;The first side plate of 102-;1021- corner cut;The second side plate of 103-;
12- is heat sink bottom plate;201- the second substrate;2011- third surface;The 4th surface 2012-;2013- loss of weight through-hole; The second lightening recesses of 2014-;202- third side plate;The 4th side plate of 203-;
13- location hole;
2- connector;21- screw;22- positioning bolt.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work Under every other embodiment obtained, fall within the protection scope of the utility model.
" one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one realization side of the utility model A particular feature, structure, or characteristic in formula.In the description of the present invention, it should be understood that term " on ", "lower", The orientation or positional relationship of the instructions such as "top", "bottom" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with Specific orientation construction and operation, therefore should not be understood as limiting the present invention.In addition, term " first ", " second " It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technical characteristic Quantity." first " is defined as a result, the feature of " second " can be expressed or that imply includes one or more spy Sign.Moreover, term " first ", " second " etc. are to be used to distinguish similar objects, without specific sequentially or first for describing Order afterwards.It should be understood that the data used in this way are interchangeable under appropriate circumstances, so as to the utility model described herein Embodiment can be performed in other sequences than those illustrated or described herein.
Embodiment 1:
Referring to figs. 1 and 2, a kind of laser radar radiator, the radiator includes heat sink component 1, described Heat sink component 1 is connect with the rotor of laser radar, and the heat sink component 1 includes multiple heat sink monomers 11, the heat sink monomer 11 Side far from the rotor center is extended with radiating part 110.
As shown in Figures 2 and 3, the radiating part 110 includes multiple radiating fins 111, and multiple radiating fins 111 are simultaneously The splicing setting of misarrangement position.
As depicted in figs. 1 and 2, the heat sink component 1 further includes heat sink bottom plate 12, the heat sink monomer 11 with it is described heat sink Bottom plate 12 connects, and the heat sink bottom plate 12 is connect with the rotor of laser radar.
As shown in Fig. 2, the heat sink component 1 includes multiple heat sink monomers 11, multiple heat sink monomers 11 are stacked It is connected on the heat sink bottom plate 12, and multiple heat sink monomers 11 are successively parallel to each other and stack connection.
As shown in Figures 2 and 3, the heat sink monomer 11 includes first substrate 101, the first side plate 102 and the second side plate 103, first side plate 102 and the second side plate 103 are connect with the first substrate 101 respectively, first side plate 102 and The setting of two side plates 103 interval.
In conjunction with shown in Fig. 3-Fig. 5, the first substrate 101 has opposite first surface 1011 and second surface 1012, First side plate 102 and the second side plate 103 are set to the first surface 1011;
The outer ledge that the first substrate 101 is located at the second surface 1012 is equipped with the locating recesses of circumferentially extending 1013, the second surface 1012 is equipped with the first positioning groove 1014 at corresponding second side plate, 103 position.
As shown in Figure 4 and Figure 5, it is heat sink to be defined as the first heat sink monomer 11a and second for the adjacent two pieces heat sink monomers 11 Monomer 11b, the locating recesses 1013 of the first side plate 102 and the described second heat sink monomer 11b of the first heat sink monomer 11a are matched Close connection;
The first positioning groove of second side plate 103 and the described second heat sink monomer 11b of the first heat sink monomer 11a 1014 are cooperatively connected.
As shown in fig. 7, the heat sink bottom plate 12 includes the second substrate 201, third side plate 202 and the 4th side plate 203, it is described Third side plate 202 and the 4th side plate 203 are connect with the second substrate 201 respectively, the third side plate 202 and first side Plate 102 is correspondingly arranged, and the 4th side plate 203 and second side plate 103 are correspondingly arranged, the third side plate 202 and described 4th side plate 203 is set to the same side of the second substrate 201.
Referring to figs. 7 and 8, the third side plate 202 of the heat sink bottom plate 12 and the adjacent heat sink monomer 11 are determined Position recess 1013 is cooperatively connected, the first positioning of the 4th side plate 203 and the adjacent heat sink monomer 11 of the heat sink bottom plate 12 Groove 1014 is cooperatively connected.
The radiating part 110 is set on the lateral wall of first side plate 102.
As shown in Figs. 1-5, the radiating fin 111 includes the first radiating fin 111a, the second radiating fin 111b and the The successively edge three radiating fin 111c, the first radiating fin 111a, the second radiating fin 111b and third radiating fin 111c The short transverse of first side plate 102 is staggered and stepped rising splicing setting.Specifically, multiple radiating fins 111 can also successively be staggered along heat sink 11 short transverse of monomer and stepped decline splicing setting, be conducive to working rotor When drive the radiating fin 111 to rotate together, formed forced convection, improve heat dissipation effect.
In conjunction with shown in Fig. 4 and Fig. 5, the bottom surface of the second radiating fin 111b and the third radiating fin 111c are equipped with Limit plate 113, the limit plate 113 extend to the bottom surface of the first radiating fin 111a, the limit plate 113 and described One radiating fin 111a and the locating recesses 1013 cooperation are defined to form the second positioning groove 114, second positioning groove 114 for being clamped the first side plate 102 of the adjacent heat sink monomer 11.
As shown in figure 5, multiple first lightening recesses 1015 are additionally provided on the second surface 1012, for mitigating the heat The weight of heavy monomer 11, and increase the surface area of the heat sink monomer 11 convenient for heat dissipation.
As shown in fig. 7, the second substrate 201 has opposite third surface 2011 and the 4th surface 2012, the base Plate is equipped with loss of weight through-hole 2013, and the loss of weight through-hole 2013 runs through the third surface 2011 and the 4th surface 2012, uses In the weight for mitigating the heat sink bottom plate 12.
As shown in fig. 7, multiple second lightening recesses 2014 are also provided on the third surface 2011, it is described for mitigating The weight of heat sink bottom plate 12, and increase the surface area of the heat sink bottom plate 12 convenient for heat dissipation.
As shown in Figure 6 and Figure 8, the radiator further includes connector 2, and the heat sink component 1 is by connector 2 and swashs The rotor of optical radar connects.
As shown in figure 8, the connector 2 includes multiple screws 21, the heat sink bottom plate 12 is fixed by the screw 21 In on the rotor of laser radar.
As shown in fig. 6, the connector 2 further includes multiple positioning bolts 22, it is multiple fixed that the heat sink component 1 is correspondingly provided with Position hole 13, the location hole 13 that the positioning bolt 22 sequentially passes through the heat sink component 1 are fixed on the rotor of laser radar.
As shown in figure 3, first side plate 102 is equipped with corner cut 1021 close to one end of the third radiating fin 111c, The upper surface of the corner cut 1021 is coplanar with the upper surface of the third radiating fin 111c.
The material of the heat sink component 1 is Heat Conduction Material.
The material of the heat sink component 1 is any one or the combination of several of them in copper, molybdenum, aluminium and silicon.
The connection of the laser beam emitting device of the radiator and laser radar, the heat sink component 1 turn with laser radar Son connection, the rotor are able to drive the 1 plate rotary motion of heat sink component, occur so that the air of peritrochanteric forces Convection current.
Specifically, the Laser emission plate of laser radar is fitted and connected with the heat sink monomer 11, the heat sink monomer 11 is used It, will be in the air of its heat radiation to surrounding in passing to the heat generated in the Laser emission plate course of work.Laser emission plate passes through Heat-conducting silicone grease is fitted closely with the heat sink monomer 11 and is connect.In addition, Laser emission plate can also mechanically or weldering The mode of connecing is fixed on 11 plate of heat sink monomer.
As shown in figure 3, the structure of the heat sink monomer 11 is abnormity.
As shown in figure 3, the edge of the first substrate 101 and the second substrate 201 far from laser radar rotor center For arc-shaped, first side plate 102 and the third side plate 202 correspondence are arc panel.
The heat sink monomer 11 is an integral molding structure.
The heat sink bottom plate 12 is an integral molding structure.
In a possible embodiment, the outer edge of the radiating fin 111 far from laser radar rotor center can also be set It is set to the small toothing of corrugated, increasing heat radiation area.
In addition, the heat sink component described in a possible embodiment only has heat sink monomer also and the function of the device may be implemented, Heat sink monomer is directly installed on the rotor base plate of laser radar by connector after stacking connection.Additionally, it is possible in embodiment, The radiating subassembly can also include one piece of heat sink monomer and a heat sink bottom plate connect and fix and rotor base plate on.As long as hot Laser transmission circuit plate can be installed, cooperation fiber coupling technique can realize the heating region of laser emitter on heavy monomer Dispersion, and can be realized the laser radar of higher harness.
Embodiment 2:
Similar to Example 1, referring to fig. 1 and fig. 2, a kind of laser radar radiator, the radiator includes Heat sink component 1, the heat sink component 1 are connect with the rotor of laser radar, and the heat sink component 1 includes at least one heat sink monomer 11, the heat sink monomer 11 is extended with radiating part 110 far from the side of the rotor center.
As shown in figure 9, the radiating part 110 includes multiple radiating fins 111, multiple radiating fins 111 and misarrangement Position splicing setting.
As shown in figure 9, multiple radiating fins 111 are successively staggered along heat sink 11 short transverse of monomer and in ladders Shape rises or falls splicing setting, and the radiating fin 111 is driven to rotate when conducive to working rotor together, forms forced convection, Improve heat dissipation effect.
As shown in Figure 10, and Fig. 1 and Fig. 2 is referred to, the heat sink component 1 further includes heat sink bottom plate 12, the heat sink monomer 11 connect with the heat sink bottom plate 12, and the heat sink bottom plate 12 is connect with the rotor of laser radar.
With reference to Fig. 1 and Fig. 2, the heat sink component 1 includes multiple heat sink monomers 11, multiple heat sink 11 heaps of monomer It is folded to be connected on the heat sink bottom plate 12, and multiple heat sink monomers 11 are successively parallel to each other and stack connection.
As shown in figure 9, the heat sink monomer 11 includes first substrate 101, the first side plate 102 and the second side plate 103, it is described First side plate 102 and the second side plate 103 are connect with the first substrate 101 respectively, first side plate 102 and the second side plate 103 interval settings.
As shown in figure 9, the first substrate 101 has opposite a first surface 1011 and second surface 1012, described the Side plate 102 is set to the first surface 1011, and second side plate 103 is set to the second surface 1012;
The outer ledge that the first substrate 101 is located at the second surface 1012 is equipped with the locating recesses of circumferentially extending 1013, the first surface 1011 is equipped with the first positioning groove 1014 at corresponding second side plate, 103 position.
As shown in figure 9, adjacent two pieces of heat sink monomers 11 are defined as the first heat sink heat sink monomer of monomer 11a and second The locating recesses 1013 of first side plate 102 and the described second heat sink monomer 11b of 11b, the first heat sink monomer 11a, which cooperate, to be connected It connects;
The first positioning groove of first side plate 102 and the described second heat sink monomer 11b of the second heat sink monomer 11b 1014 are cooperatively connected.
As shown in Figure 10, the heat sink bottom plate 12 includes the second substrate 201 and third side plate 202, the third side plate 202 It is connect with the second substrate 201, the third side plate 202 and first side plate 102 are correspondingly arranged, the heat sink bottom plate 12 Surface is equipped with the first positioning groove 1014 cooperated with second side plate 103.
The locating recesses 1013 of the third side plate 202 of the heat sink bottom plate 12 and the adjacent heat sink monomer 11, which cooperate, to be connected It connects, the first side plate 102 and first positioning groove 1014 of the adjacent heat sink monomer 11 are cooperatively connected.
As shown in figure 9, the radiating part 110 is set on the lateral wall of first side plate 102.
Specifically, as shown in figure 9, the radiating fin 111 includes the first radiating fin 111a, the second radiating fin 111b With third radiating fin 111c, the first radiating fin 111a, the second radiating fin 111b and third radiating fin 111c according to The secondary short transverse along first side plate 102 is staggered and stepped rising splicing setting.
As shown in figure 9, the bottom surface of the second radiating fin 111b and the third radiating fin 111c are equipped with limit plate 113, the limit plate 113 extends to the bottom surface of the first radiating fin 111a, the limit plate 113 and first heat dissipation Fin 111a and the locating recesses 1013 cooperation are defined to form the second positioning groove 114, and second positioning groove 114 is used for It is clamped the first side plate 102 of the adjacent heat sink monomer 11.
Refering to what is shown in Fig. 5, multiple first lightening recesses 1015 are additionally provided on the second surface 1012, it is described for mitigating The weight of heat sink monomer 11, and increase the surface area of the heat sink monomer 11 convenient for heat dissipation.
As shown in Figure 10, the second substrate 201 has opposite third surface 2011 and the 4th surface 2012, the base Plate is equipped with loss of weight through-hole 2013, and the loss of weight through-hole 2013 runs through the third surface 2011 and the 4th surface 2012, uses In the weight for mitigating the heat sink bottom plate 12.
As shown in Figure 10, multiple second lightening recesses 2014 are also provided on the third surface 2011, for mitigating The weight of heat sink bottom plate 12 is stated, and increases the surface area of the heat sink bottom plate 12 convenient for heat dissipation.
With reference to shown in Fig. 6 and Fig. 8, the radiator further includes connector 2, the heat sink component 1 by connector 2 with The rotor of laser radar connects.
As shown in figure 9, first side plate 102 is equipped with corner cut 1021 close to one end of the third radiating fin 111c, The upper surface of the corner cut 1021 is coplanar with the upper surface of the third radiating fin 111c.
The material of the heat sink component 1 is Heat Conduction Material.
The material of the heat sink component 1 is any one or the combination of several of them in copper, molybdenum, aluminium and silicon.
The connection of the laser beam emitting device of the radiator and laser radar, the heat sink component 1 turn with laser radar Son connection, the rotor are able to drive the 1 plate rotary motion of heat sink component, occur so that the air of peritrochanteric forces Convection current.
Specifically, the Laser emission plate of laser radar is fitted and connected with the heat sink monomer 11, the heat sink monomer 11 is used It, will be in the air of its heat radiation to surrounding in passing to the heat generated in the Laser emission plate course of work.Laser emission plate passes through Heat-conducting silicone grease is fitted closely with the heat sink monomer 11 and is connect.In addition, Laser emission plate can also mechanically or weldering The mode of connecing is fixed on 11 plate of heat sink monomer.
As shown in figure 9, the structure of the heat sink monomer 11 is abnormity.
As shown in figure 9, the edge of the first substrate 101 and the second substrate 201 far from laser radar rotor center For arc-shaped, first side plate 102 and the third side plate 202 correspondence are arc panel.
The heat sink monomer 11 is an integral molding structure.
The heat sink bottom plate 12 is an integral molding structure.
In a possible embodiment, in the heat sink monomer of muti-piece, the heat sink monomer of top can be used and other heat sink lists The slightly different structure of body, the second side plate of corresponding heat sink monomer is without opening up the first positioning groove, and the second side plate can prolong The first surface of first substrate is stretched out, is positioned convenient for the installation of transmit circuit plate.
In addition, the first side plate of heat sink monomer is set to the lower surface of the first substrate in a possible embodiment, heat Second side plate of heavy monomer is set to the upper surface of first substrate.
Embodiment 3:
The embodiment the difference from embodiment 1 is that, a kind of laser radar radiator, the radiator includes heat sink Component 1, the heat sink component 1 are connect with the rotor of laser radar, and the heat sink component 1 includes at least one heat sink monomer 11, The heat sink monomer 11 is extended with radiating part 110 far from the side of the rotor center, and the radiating part 110 includes turbulence blades 112, as shown in figure 11, the turbulence blades 112 have streamline profile, and the turbulence blades are driven when conducive to working rotor 112 rotate together, form forced convection, improve heat dissipation effect.
With reference to shown in Fig. 1, Fig. 2 and Fig. 7, the heat sink component 1 further includes heat sink bottom plate 12, the heat sink monomer 11 and institute It states heat sink bottom plate 12 to connect, the heat sink bottom plate 12 is connect with the rotor of laser radar.
Referring to fig. 1 and fig. 2, the heat sink component 1 includes multiple heat sink monomers 11, multiple heat sink monomers 11 stackings are connected on the heat sink bottom plate 12, and multiple heat sink monomers 11 are successively parallel to each other and stack connection.
As shown in figure 11, the heat sink monomer 11 includes first substrate 101, the first side plate 102 and the second side plate 103, institute It states the first side plate 102 and the second side plate 103 is connect with the first substrate 101 respectively, first side plate 102 and the second side plate 103 interval settings.
As shown in figure 11, the first substrate 101 has opposite a first surface 1011 and second surface 1012, and described the Side plate 102 and the second side plate 103 are set to the first surface 1011;
The outer ledge that the first substrate 101 is located at the second surface 1012 is equipped with the locating recesses of circumferentially extending 1013, the second surface 1012 is equipped with the first positioning groove 1014 at corresponding second side plate, 103 position.
As shown in figure 11, the adjacent two pieces heat sink monomers 11 are defined as the first heat sink heat sink monomer of monomer 11a and second The locating recesses 1013 of first side plate 102 and the described second heat sink monomer 11b of 11b, the first heat sink monomer 11a, which cooperate, to be connected It connects;
The first positioning groove of second side plate 103 and the described second heat sink monomer 11b of the first heat sink monomer 11a 1014 are cooperatively connected.
With reference to shown in Fig. 7 and Fig. 8, the heat sink bottom plate 12 includes the second substrate 201, third side plate 202 and the 4th side plate 203, the third side plate 202 and the 4th side plate 203 are connect with the second substrate 201 respectively, the third side plate 202 and institute It states the first side plate 102 to be correspondingly arranged, the 4th side plate 203 and second side plate 103 are correspondingly arranged, the third side plate 202 and the 4th side plate 203 be set to the same side of the second substrate 201.
With reference to shown in Fig. 7 and Fig. 8, the third side plate 202 of the heat sink bottom plate 12 and determining for the adjacent heat sink monomer 11 Position recess 1013 is cooperatively connected, the first positioning of the 4th side plate 203 and the adjacent heat sink monomer 11 of the heat sink bottom plate 12 Groove 1014 is cooperatively connected.
As shown in figure 11, the radiating part 110 is set on the lateral wall of first side plate 102.
The material of the heat sink component 1 is Heat Conduction Material.
The material of the heat sink component 1 is any one or the combination of several of them in copper, molybdenum, aluminium and silicon.
In addition, multiple turbulence blades can also be arranged on one piece of heat sink monomer in a possible embodiment, preferably play The effect of forced air convection.
By adopting the above technical scheme, radiator described in the utility model has the following beneficial effects:
The utility model laser radar radiator is designed using stack, under the premise of being coupled based on optical fiber, by laser Plate expelling plate is bonded with heat sink monomer by heat-conducting silicone grease, and the radiating fin of stepped rising is extended in the side of heat sink monomer Piece, the characteristic rotated when using working rotor drive radiating fin to rotate together, form forced convection, are obviously improved heat dissipation effect Fruit.
The utility model laser radar radiator is designed using stack, under the premise of being coupled based on optical fiber, by laser Plate expelling plate is bonded with heat sink monomer by heat-conducting silicone grease, and the flow perturbation fan of streamline profile is extended in the side of heat sink monomer Piece, the characteristic rotated when using working rotor drive radiating fin to rotate together, form forced convection, are obviously improved heat dissipation effect Fruit.
Connection is stacked between the more reliable heat sink component of the connection of the utility model radiator and laser radar rotor, it is heat sink The rotor of bottom plate and laser radar is connected by screw to, and heat sink component also passes through positioning bolt and the rotor of laser radar connects It connects.
The connection of the laser beam emitting device of the radiator and laser radar, the rotor of the heat sink component and laser radar Connection, the rotor are able to drive the heat sink component palette rotary motion, so that the air of peritrochanteric forces generation pair Stream improves space utilization rate in laser radar system, releases the space of laser radar outgoing system focal plane position, effectively solves Certainly calorific value is big and heat is difficult the problems such as being exported.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model Within the scope of shield.

Claims (10)

1. a kind of laser radar radiator, it is characterised in that: the radiator includes heat sink component (1), and described heat sink group Part (1) is connect with the rotor of laser radar, and the heat sink component (1) includes at least one heat sink monomer (11), the heat sink list Body (11) is extended with radiating part (110) far from the side of laser radar rotor center.
2. a kind of laser radar radiator according to claim 1, it is characterised in that: the radiating part (110) includes Multiple radiating fins (111), multiple radiating fins (111) misplace side by side splices setting;
Or,
The radiating part (110) includes turbulence blades (112), and the turbulence blades (112) have streamline profile.
3. a kind of laser radar radiator according to claim 2, it is characterised in that: the heat sink component (1) is also wrapped It includes heat sink bottom plate (12), the heat sink monomer (11) connect with the heat sink bottom plate (12), the heat sink bottom plate (12) and laser The rotor of radar connects.
4. a kind of laser radar radiator according to claim 3, it is characterised in that: the heat sink component (1) includes Multiple heat sink monomers (11), multiple heat sink monomers (11), which stack, to be connected on the heat sink bottom plate (12), and multiple The heat sink monomer (11), which is successively parallel to each other, stacks connection.
5. a kind of laser radar radiator according to claim 4, it is characterised in that: the heat sink monomer (11) includes First substrate (101), the first side plate (102) and the second side plate (103), first side plate (102) and the second side plate (103) point It is not connect with the first substrate (101), first side plate (102) and the setting of the second side plate (103) interval.
6. a kind of laser radar radiator according to claim 5, it is characterised in that: first substrate (101) tool There are opposite first surface (1011) and second surface (1012), first side plate (102) and the second side plate (103) are set to The first surface (1011);
The outer ledge that the first substrate (101) is located at the second surface (1012) is equipped with the locating recesses of circumferentially extending (1013), the first positioning groove (1014) are equipped at corresponding second side plate (103) position of the second surface (1012).
7. a kind of laser radar radiator according to claim 6, it is characterised in that: adjacent two pieces of heat sink monomers (11) the first heat sink monomer (11a) and the second heat sink monomer (11b), the first side of the first heat sink monomer (11a) are defined as Plate (102) and the locating recesses (1013) of the described second heat sink monomer (11b) are cooperatively connected;
The second side plate (103) of the first heat sink monomer (11a) and the first positioning groove of the described second heat sink monomer (11b) (1014) it is cooperatively connected.
8. a kind of laser radar radiator according to claim 5, it is characterised in that: first substrate (101) tool There are opposite first surface (1011) and second surface (1012), first side plate (102) is set to the first surface (1011), second side plate (103) is set to the second surface (1012);
The outer ledge that the first substrate (101) is located at the second surface (1012) is equipped with the locating recesses of circumferentially extending (1013), the first positioning groove (1014) are equipped at corresponding second side plate (103) position of the first surface (1011).
9. a kind of laser radar radiator according to claim 8, it is characterised in that: adjacent two pieces of heat sink monomers (11) the first heat sink monomer (11a) and the second heat sink monomer (11b), the first side of the first heat sink monomer (11a) are defined as Plate (102) and the locating recesses (1013) of the described second heat sink monomer (11b) are cooperatively connected;
The first side plate (102) of the second heat sink monomer (11b) and the first positioning groove of the described second heat sink monomer (11b) (1014) it is cooperatively connected.
10. a kind of laser radar radiator according to claim 5, it is characterised in that: radiating part (110) setting In on the lateral wall of first side plate (102), the radiating fin (111) dissipates including the first radiating fin (111a), second Hot fin (111b) and third radiating fin (111c), first radiating fin (111a), the second radiating fin (111b) and Third radiating fin (111c) is successively staggered along the short transverse of first side plate (102) and stepped rising splicing is set It sets.
CN201820913979.5U 2018-06-08 2018-06-13 A kind of laser radar radiator Active CN208421215U (en)

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CN2018208813988 2018-06-08

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108490421A (en) * 2018-06-08 2018-09-04 上海禾赛光电科技有限公司 A kind of laser radar radiator
CN110412543A (en) * 2019-08-23 2019-11-05 上海禾赛光电科技有限公司 Laser radar and its radiator
WO2022198567A1 (en) * 2021-03-25 2022-09-29 深圳市大疆创新科技有限公司 Scanning module, distance measurement apparatus, and mobile platform

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108490421A (en) * 2018-06-08 2018-09-04 上海禾赛光电科技有限公司 A kind of laser radar radiator
CN108490421B (en) * 2018-06-08 2024-05-31 上海禾赛科技有限公司 Laser radar heat abstractor
CN110412543A (en) * 2019-08-23 2019-11-05 上海禾赛光电科技有限公司 Laser radar and its radiator
CN110412543B (en) * 2019-08-23 2022-05-03 上海禾赛科技有限公司 Laser radar and heat dissipation device thereof
WO2022198567A1 (en) * 2021-03-25 2022-09-29 深圳市大疆创新科技有限公司 Scanning module, distance measurement apparatus, and mobile platform

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