CN208239607U - A kind of laser radar radiator structure - Google Patents
A kind of laser radar radiator structure Download PDFInfo
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- CN208239607U CN208239607U CN201820463568.0U CN201820463568U CN208239607U CN 208239607 U CN208239607 U CN 208239607U CN 201820463568 U CN201820463568 U CN 201820463568U CN 208239607 U CN208239607 U CN 208239607U
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Abstract
The utility model proposes a kind of laser radar radiator structures, including rotor, at least one Laser emission plate and at least one heat sink plate；The heat sink plate is connect with the rotor, the rotor is able to drive the heat sink plate rotary motion, the Laser emission plate is set to the one side of the heat sink plate, the Laser emission plate is connect with the heat sink plate, and the heat sink plate extends far from one end of the rotor center is completely or partially formed with radiating fin.The utility model laser radar radiator structure fits closely Laser emission plate and metal heat sink plate, and heat is effectively passed to heat sink plate；And extend radiating fin outside heat sink plate, by the characteristic that can be rotated when working rotor, radiating fin and laser radar inner air shape can be at forced convections, to greatly improve heat dissipation effect.
Description
Technical field
The utility model relates to field of radar, and in particular to a kind of laser radar radiator structure.
Background technique
Obstacle detection in unmanned vehicle running environment is one of the key technology of vehicle autonomous navigation system.It is based on
It is wherein mostly important method that laser radar sensor, which carries out detection to barrier,.Based on laser radar sensor to barrier
Carrying out detection is a kind of active detection method, and active also known as contact, detection method mainly have based on laser radar, milli
The methods of metre wave radar, sonar.Laser radar is that the reflecting mirror rotated by one launches light, is emitted by measurement
Time interval between light and reflection light, to measure spacing.The monochromaticjty of laser is good, brightness is high, position precision is high, differentiates
Rate is high, conducive to interference, the high sensitivity for overcoming ground clutter, and the influence not being illuminated by the light, and effect is outstanding in dark environment
It is good.These advantages based on laser radar have obtained widely in the unmanned platform navigation of intelligent mobile and Real Time Obstacle Avoiding field
Using.
Laser radar is exactly " eyes " of unmanned vehicle, is mainly used to do the sensor of laser three-dimensional scanning originally, but with
In recent years automatic Pilot and the big heat of robot industry, also there is blowout in the demand of laser radar, and greatly affects unmanned vehicle
Development.
Machinery rotating type laser radar on the market at present, since the positioning accuracy that Laser emission plate requires is high, tradition
Machined part not can guarantee, and can only carry out position adjusting by external auxiliary fixture, can not be with Heat Conduction Material after having good positioning
Sufficiently fitting, can only be in such a way that glue be fixed, and the thermal conductivity of glue is very poor, greatly reduces the heat dissipation of Laser emission plate
Effect.And the heat dissipation path of the prior art passes to the fixation bracket of circuit board by glue for the heat of Laser emission plate, then arrives
Rotor, rotor radiate with inner air convection current.Glue thermal conductivity is poor, and heat dissipation path is long, and heat dissipation effect is poor.
Utility model content
In order to solve the above technical problems, on the one hand the utility model proposes a kind of laser radar radiator structure, including rotor,
At least one Laser emission plate and at least one heat sink plate；The heat sink plate is connect with the rotor, and the rotor is able to drive
The heat sink plate rotary motion, the Laser emission plate are set to the one side of the heat sink plate, the Laser emission plate and institute
Heat sink plate connection is stated, the heat sink plate extends far from one end of the rotor center is completely or partially formed with radiating fin.
Further, the radiator structure includes multiple Laser emission plates and multiple heat sink plates, a Laser emission
Plate is at least fitted and connected with a heat sink plate, is at least equipped with a light source on a Laser emission plate.
As an implementation, multiple heat sink plates along rotor axial direction interval and are arranged in parallel, adjacent
The channel for air circulation is formed between the heat sink plate.
As an implementation, multiple heat sink plates circumferentially form a heat sink component along the rotor side by side, and
Multiple heat sink components are along rotor axial direction interval and stacked in parallel is arranged.
Further, dislocation splicing setting side by side between the adjacent heat sink plate of the heat sink component.
Further, the channel for air circulation is formed between the adjacent heat sink component.
As an implementation, the heat sink plate is extended outside the rotor far from one end part of the rotor center
Side forms radiating fin.
Preferably, the structure of the heat sink plate is sector.
Further, the rotor is columnar structured, and the rotor center is equipped with through-hole, and the through-hole is for disposing letter
Number transmission structure and energy transmission structure.
Further, the material of the heat sink plate is copper, molybdenum, any one or the combination of several of them in aluminium.
As an implementation, the Laser emission plate, which is fitted closely by heat-conducting silicone grease with the heat sink plate, connect.
As an implementation, the Laser emission plate is mechanically or welding manner is fixed on the heat sink plate
On.
On the other hand the utility model, proposes that a kind of laser radar, the laser radar apply radiator structure described above.
By adopting the above technical scheme, laser radar radiator structure described in the utility model has the following beneficial effects:
1) the utility model laser radar radiator structure fits closely Laser emission plate and metal heat sink plate, and heat is effective
It passes to heat sink plate；And extend radiating fin outside heat sink plate, by the characteristic that can be rotated when working rotor, radiating fin with
Laser radar inner air shape can be at forced convection, to greatly improve heat dissipation effect.
2) characteristic rotated when working rotor is utilized in the utility model laser radar radiator structure radiating fin, with inside
Air forms forced convection, do not need as traditional heat-dissipating design like that additionally fill a fan and radiate, the raising utilization of resources
Rate；
3) the utility model laser radar radiator structure is arranged using stacked metal heat sink plate, improves laser radar space
Utilization rate；
4) heat dissipation path of the utility model laser radar radiator structure is Laser emission plate, metal heat sink plate, internal sky
Gas, radar outer cover to outside air are omitted two thermal resistances of structure glue and rotor of conventional laser radar heat dissipation path, shorten
Heat dissipation path, to improve heat exchanger effectiveness.
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 the 1 radiator structure schematic front view of utility model embodiment；
Fig. 2 is the front-view schematic diagram of 1 radiator structure of utility model embodiment；
Fig. 3 is 3 radiator structure schematic diagram of utility model embodiment.
It remarks additionally below to attached drawing:
1- rotor；2- Laser emission plate；3- heat sink plate；31- radiating fin.
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 structure, including rotor 1, multiple Laser emission plates 2 and with institute
State the corresponding heat sink plate 3 of Laser emission plate 2；The heat sink plate 3 is connect with the rotor 1, and the rotor 1 is able to drive described
3 rotary motion of heat sink plate,
The heat sink plate 3 has opposite first side and second side, and the configuration of Laser emission plate 2 is described first
On side, the Laser emission plate 2 is fitted and connected with the heat sink plate 3, the heat sink plate 3 far from 1 center of rotor one
Extend formation radiating fin 31 on the outside of the rotor 1 in end.
Heat of the heat sink plate 3 for generating in 2 course of work of Laser emission plate that dissipates, is transmitted to surrounding
Air in；The rotor 1 is able to drive 3 rotary motion of heat sink plate, occurs so that the air around rotor 1 forces
Convection current.
A light source is at least installed on one Laser emission plate 2.In a possible embodiment, light source is optional
Edge-emission semiconductor laser, face emitting semiconductor laser, heterolaser, stripe laser, GaAlAs/GaAs is selected to swash
Light device, InGaAsP/InP laser, quantum-well laser, micro-cavity laser etc..Detecting optical band may be selected near-infrared wave
Section, such as 960nm, 1320nm or 1550nm, transmission power select in safety range of human eye.
Multiple heat sink plates 3 are spaced and are arranged in parallel.
The channel for air circulation is formed between the adjacent heat sink plate 3.
The structure of the heat sink plate 3 is sector.
The rotor 1 be it is columnar structured, 1 center of rotor is equipped with through-hole, and the through-hole is for disposing signal to transmit
Structure and energy transmission structure.
The material of the heat sink plate 3 is copper, molybdenum, any one or the combination of several of them in aluminium.
The Laser emission plate 2 is fitted closely with the heat sink plate 3 by heat-conducting silicone grease and is connect.
In addition, the local edge of the radiating fin 31 can form blade construction (not marking in figure) with reduction processing.
Embodiment 2:
The present embodiment is similar to Example 1, referring to fig. 1 and fig. 2, a kind of laser radar radiator structure, including rotor
1, multiple Laser emission plates 2 and heat sink plate 3 corresponding with the Laser emission plate 2；The heat sink plate 3 connects with the rotor 1
It connecing, the rotor 1 is able to drive 3 rotary motion of heat sink plate,
The heat sink plate 3 has opposite first side and second side, and the configuration of Laser emission plate 2 is described first
On side, the Laser emission plate 2 is fitted and connected with the heat sink plate 3, the heat sink plate 3 far from 1 center of rotor one
Extend formation radiating fin 31 on the outside of the rotor 1 in end.
Heat of the heat sink plate 3 for generating in 2 course of work of Laser emission plate that dissipates, is transmitted to surrounding
Air in；The rotor 1 is able to drive 3 rotary motion of heat sink plate, occurs so that the air around rotor 1 forces
Convection current.
A light source is at least installed on one Laser emission plate 2.In a possible embodiment, light source is optional
Edge-emission semiconductor laser, face emitting semiconductor laser, heterolaser, stripe laser, GaAAs/GaAs is selected to swash
Light device, InGaAsP/InP laser, quantum-well laser, micro-cavity laser etc..Detecting optical band may be selected near-infrared wave
Section, such as 960nm, 1320nm or 1550nm, transmission power select in safety range of human eye.
Multiple heat sink plates 3 are spaced and are arranged in parallel.
The channel for air circulation is formed between the adjacent heat sink plate 3.
The structure of the heat sink plate 3 is sector.
The rotor 1 be it is columnar structured, 1 center of rotor is equipped with through-hole, and the through-hole is for disposing signal to transmit
Structure and energy transmission structure.
The material of the heat sink plate 3 is copper, molybdenum, any one or the combination of several of them in aluminium.
The Laser emission plate 2 mechanically or is fixedly welded in the heat sink plate 3.
In addition, outer edge of the radiating fin 31 far from 1 center of rotor is the small toothing of corrugated, increase heat dissipation
Area.
Embodiment 3:
As shown in figure 3, a kind of laser radar radiator structure, including rotor 1, multiple Laser emission plates 2 and with the laser
The corresponding heat sink plate 3 of expelling plate 2；The heat sink plate 3 is connect with the rotor 1, and the rotor 1 is able to drive the heat sink plate
3 rotary motions；
The heat sink plate 3 has opposite first side and second side, and the configuration of Laser emission plate 2 is described first
On side, the Laser emission plate 2 is fitted and connected with the heat sink plate 3, the heat sink plate 3 far from 1 center of rotor one
Extend formation radiating fin 31 on the outside of the rotor 1 in end.
Multiple heat sink plates 3 are along the circumferential one heat sink component of formation side by side of the rotor 1, and multiple heat sink components are along institute
It states 1 longitudinal gap of rotor and stacks setting.
Dislocation splicing setting side by side between the adjacent heat sink plate 3 of the heat sink component.
As shown in figure 3, the heat sink component includes that axial direction of three heat sink plates successively along the rotor 1 is staggered
And stepped splicing setting.
Multiple heat sink inter-modules every and be arranged in parallel.
The channel for air circulation is formed between the adjacent heat sink component.
Heat of the heat sink plate 3 for generating in 2 course of work of Laser emission plate that dissipates, is transmitted to surrounding
Air in.The rotor 1 is able to drive 3 rotary motion of heat sink plate, occurs so that the air around rotor 1 forces
Convection current.
A light source is at least installed on one Laser emission plate 2, in a possible embodiment, light source is optional
Edge-emission semiconductor laser, face emitting semiconductor laser, heterolaser, stripe laser, GaAlAs/GaAs is selected to swash
Light device, InGaAsP/InP laser, quantum-well laser, micro-cavity laser etc..Detecting optical band may be selected near-infrared wave
Section, such as 960nm, 1320nm or 1550nm, transmission power select in safety range of human eye.
The structure of the heat sink plate 3 is sector.
The rotor 1 is columnar structured.
1 center of rotor is equipped with through-hole, and the through-hole is for disposing signal transmission structure and energy transmission structure.
The material of the heat sink plate 3 is copper, molybdenum, any one or the combination of several of them in aluminium.
The Laser emission plate 2 is fitted closely with the heat sink plate 3 by heat-conducting silicone grease and is connect.
In addition, the Laser emission plate 2 can also mechanically or welding manner is fixed on the heat sink plate 3
On.
The radiating fin 31 can be set to the small toothing of corrugated far from the outer edge at 1 center of rotor, increase
Heat dissipation area.The sector structure (not shown) that the edge of the radiating fin 31 can be formed with reduction processing.
Embodiment 4:
Referring to fig. 1 and fig. 2, a kind of laser radar radiator structure, including rotor 1, multiple Laser emission plates 2 and with institute
State the corresponding heat sink plate 3 of Laser emission plate 2；The heat sink plate 3 is connect with the rotor 1, and the rotor 1 is able to drive described
3 rotary motion of heat sink plate；
The heat sink plate 3 has opposite first side and second side, and the configuration of Laser emission plate 2 is described first
On side, the Laser emission plate 2 is fitted and connected with the heat sink plate 3, the heat sink plate 3 far from 1 center of rotor one
End part extends formation 31 (not shown) of radiating fin on the outside of the rotor 1.
Embodiment 5:(laser radar)
A kind of high line beam laser radar, including rotor 1, laser beam emitting device and exit lens group,
The rotor 1 has mutually isolated emission cavity and receiving cavity；
The laser beam emitting device is used for target object emission detection light；
The exit lens group will be for that will receive the detection light emitting to search coverage；
The laser beam emitting device includes at least one Laser emission plate 2 and optical fiber, and the Laser emission plate 2 is set to institute
State in emission cavity, a light source for emission detection light be at least installed on the Laser emission plate 2, the optical fiber with it is described
Light source corresponds, and the input terminal of the light source and the optical fiber is of coupled connections, the output end of the optical fiber be set to it is described out
Penetrate the focal plane of lens subassembly.
The exit lens group is used to carry out the detection light for being transmitted to the focal plane through the optical fiber to collimate concurrent
It is incident upon search coverage.
The laser beam emitting device further includes optical coupling device, and the input terminal of the light source and the optical fiber passes through described
Optical coupling device is of coupled connections.
The optical fiber is equipped with optical modulator module.
The laser radar further includes receiving lens component, and the laser for reflecting the target object is focused；
Reflected light in foreign objects is received by a detector after passing through the light receiving element, and the light receiving element is arranged in receiving cavity
It is interior.
The laser radar further includes laser receiver, for receiving the laser of the target object reflection.It is described to swash
Optical receiver apparatus includes laser conduction unit, photodetector array and circuit board for receiving；
Laser after the laser conduction unit is used to focus the receiving lens group conducts；The photodetection
Device array is set on the circuit board for receiving, the laser to come for receiving the laser conduction cell conducts.
The laser beam emitting device further includes Laser emission control module, the Laser emission control module and the laser
Expelling plate 2 connects, and drives corresponding light source luminescent to control the driving circuit on the Laser emission plate 2.It is possible at one
In embodiment, light source may be selected edge-emission semiconductor laser, face emitting semiconductor laser, heterolaser, bar shaped swash
Light device, GaAlAs/GaAs laser, InGaAsP/InP laser, quantum-well laser, micro-cavity laser etc..Detect light wave
The optional near infrared band of section, such as 960nm, 1320nm or 1550nm, transmission power select in safety range of human eye.
The laser beam emitting device further includes at least one heat sink plate 3；The heat sink plate 3 is connect with the rotor 1, described
Laser emission plate 2 is set to the side of the heat sink plate 3, and the Laser emission plate 2 is connect with the heat sink plate 3, described heat sink
Plate 3 extends formation radiating fin 31 on the outside of the rotor 1 far from the one end at 1 center of rotor.
The heat sink plate 3 is connect with the Laser emission plate 2, to absorb heat caused by light source.
Laser circuit can be arranged in space and be easy heat dissipation by the high line beam laser radar by the characteristic of optical fiber softness
Any position be arranged in by optical fiber pull-out burnt flat such as using above-described embodiment 1 to any one radiator structure of embodiment 4
On face.So as to by the separation of the light emitting region of laser radar and heating region, so that the structure design of laser radar is more
Flexibly.
By adopting the above technical scheme, laser radar radiator structure described in the utility model has the following beneficial effects:
The utility model laser radar radiator structure fits closely Laser emission plate and metal heat sink plate, and heat effectively passes
To in heat sink plate；And extend radiating fin outside heat sink plate, by the characteristic that can be rotated when working rotor, radiating fin and swash
Optical radar inner air shape can be at forced convection, to greatly improve heat dissipation effect.
The characteristic rotated when working rotor is utilized in the utility model laser radar radiator structure radiating fin, with inside sky
Gas forms forced convection, do not need as traditional heat-dissipating design like that additionally fill a fan and radiate, raising resource utilization；
The utility model laser radar radiator structure is arranged using stacked metal heat sink plate, improves laser radar space benefit
With rate；
The heat dissipation path of the utility model laser radar radiator structure be Laser emission plate, metal heat sink plate, inner air,
Radar outer cover is omitted two thermal resistances of structure glue and rotor of conventional laser radar heat dissipation path, shortens scattered to outside air
Hot path, to improve heat exchanger effectiveness.
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 structure, it is characterised in that: including rotor (1), at least one Laser emission plate (2) and at least
One heat sink plate (3)；
The heat sink plate (3) connect with the rotor (1), and the rotor (1) is able to drive the heat sink plate (3) rotary motion,
The Laser emission plate (2) is set to the one side of the heat sink plate (3), the Laser emission plate (2) and the heat sink plate (3)
Connection, the heat sink plate (3) have completely or partially extended to form radiating fin (31) far from the one end at the rotor (1) center.
2. a kind of laser radar radiator structure according to claim 1, it is characterised in that: the radiator structure includes multiple
Laser emission plate (2) and multiple heat sink plates (3), a Laser emission plate (2) are at least bonded with a heat sink plate (3)
It connects, a light source is at least installed on a Laser emission plate (2).
3. a kind of laser radar radiator structure according to claim 2, it is characterised in that: multiple heat sink plate (3) edges
It rotor (1) the axial direction interval and is arranged in parallel, forms the channel for air circulation between the adjacent heat sink plate (3).
4. a kind of laser radar radiator structure according to claim 2, it is characterised in that: multiple heat sink plate (3) edges
The rotor (1) is circumferential to form a heat sink component side by side, and multiple heat sink components along the rotor (1) axial direction interval and
Stacked in parallel setting.
5. a kind of laser radar radiator structure according to claim 4, it is characterised in that: the adjacent institute of the heat sink component
State dislocation splicing setting side by side between heat sink plate (3).
6. a kind of laser radar radiator structure according to claim 2, it is characterised in that: the heat sink plate turns far from described
One end part of subcenter, which is extended, forms radiating fin on the outside of the rotor.
7. a kind of laser radar radiator structure according to claim 1, it is characterised in that: the material of the heat sink plate is
Copper, molybdenum, any one or the combination of several of them in aluminium.
8. a kind of laser radar radiator structure according to claim 1, it is characterised in that: the Laser emission plate (2) is logical
It crosses heat-conducting silicone grease and is fitted closely with the heat sink plate (3) and is connect.
9. a kind of laser radar radiator structure according to claim 1, it is characterised in that: the Laser emission plate (2) is logical
It crosses mechanical system or welding manner is fixed on the heat sink plate (3).
10. a kind of laser radar, it is characterised in that: it includes radiator structure described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820463568.0U CN208239607U (en) | 2018-04-03 | 2018-04-03 | A kind of laser radar radiator structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820463568.0U CN208239607U (en) | 2018-04-03 | 2018-04-03 | A kind of laser radar radiator structure |
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| Publication Number | Publication Date |
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| CN208239607U true CN208239607U (en) | 2018-12-14 |
Family
ID=64585558
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| CN201820463568.0U Active CN208239607U (en) | 2018-04-03 | 2018-04-03 | A kind of laser radar radiator structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244278A (en) * | 2019-05-23 | 2019-09-17 | 北醒（北京）光子科技有限公司 | A kind of laser radar radiator |
| CN110703228A (en) * | 2019-11-07 | 2020-01-17 | 上海禾赛光电科技有限公司 | Laser radar transmitting terminal and laser radar |
| CN112285672A (en) * | 2020-10-30 | 2021-01-29 | 浙江汉恒热电科技有限公司 | Laser radar heat abstractor |
-
2018
- 2018-04-03 CN CN201820463568.0U patent/CN208239607U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244278A (en) * | 2019-05-23 | 2019-09-17 | 北醒（北京）光子科技有限公司 | A kind of laser radar radiator |
| CN110703228A (en) * | 2019-11-07 | 2020-01-17 | 上海禾赛光电科技有限公司 | Laser radar transmitting terminal and laser radar |
| CN112285672A (en) * | 2020-10-30 | 2021-01-29 | 浙江汉恒热电科技有限公司 | Laser radar heat abstractor |
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