CN207730931U - Light source module and multi-thread beam laser radar - Google Patents
Light source module and multi-thread beam laser radar Download PDFInfo
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- CN207730931U CN207730931U CN201820089928.5U CN201820089928U CN207730931U CN 207730931 U CN207730931 U CN 207730931U CN 201820089928 U CN201820089928 U CN 201820089928U CN 207730931 U CN207730931 U CN 207730931U
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Abstract
The utility model provides the multi-thread beam laser radar of a kind of light source module and the application module, and the light source module includes：At least two lasers, the individual laser package is on substrate；Substrate, the base plate carrying light-reflecting components；Light-reflecting components, the light-reflecting components reflect the detection light of the laser emitting, and the deflection angle of the detection light is acute angle or right angle or obtuse angle.The advantages that the utility model is small, production efficiency is high, assembly difficulty is small.
Description
Technical field
The utility model is related to light sources, more particularly to light source module and multi-thread beam laser radar.
Background technology
The emission source of mobile lidar is typically all the encapsulation of single channel veneer or the encapsulation of multichannel linear array.Both
Encapsulation has many deficiencies, such as：
1. adjustment is slow, efficiency is low；It in assembling, to take a substantial amount of time, manpower goes to complete, efficiency is low, can not achieve
The encapsulation adjustment of whole plate,
2. volume is big；If it is desired to improving the harness of laser radar, it is necessary to stack polylith circuit board.Such as, every piece of plank tool
There are 4 lasers, the laser radar of 40 lines that 10 pieces of planks is just needed to be stacked up, occupied space is larger, is unfavorable for adjustment；
3. when high speed rotation position excursion easily occurs for Laser emission plate, precision is influenced.
Utility model content
In order to solve above-mentioned deficiency existing in the prior art, the utility model provides a kind of small, production efficiency
Height, assembly difficulty are small, adjust flexible light source module.
To achieve the above object, the utility model uses following technical scheme：
A kind of light source module, the light source module include：
At least two lasers, the individual laser package is on substrate；
Substrate, the base plate carrying light-reflecting components；
Light-reflecting components, the light-reflecting components reflect the detection light of the laser emitting, the deflection of the detection light
Angle is acute angle or right angle or obtuse angle.
The purpose of this utility model also reside in provide it is a kind of it is small, production efficiency is high, assembly difficulty is small, adjustment is clever
Living, high certainty of measurement multi-thread beam laser radar, the purpose technical scheme is that：
Multi-thread beam laser radar, the multi-thread beam laser radar includes light source unit, probe unit；The light source unit is adopted
With above-mentioned light source module.
Compared with prior art, the utility model have the advantage that for：
1. integrated level is high, small；Realize integration packaging and the whole plate adjustment of veneer multi-channel laser device, e.g., 40 lines
Laser radar, it is only necessary to one piece of substrate significantly reduces the volume of light source module and laser radar；
2. efficiency of assembling is high, assembly difficulty is small；
Integration packaging and the whole plate adjustment of veneer multi-channel laser device are realized, the life of light source module and laser radar is promoted
Efficiency of assembling is produced, assembly difficulty is reduced；And due to the use of micro-optical device, light source module is completed using automation equipment
Encapsulation, also has larger promotion to the quality, consistency and production efficiency of product；
3. adjustment is flexible；It can flexibly be encapsulated according to the demand of practical harness, for the special harness of angled demand, moreover it is possible to
It is arbitrarily adjusted according to microreflection component (the different angle of such as reflecting prism)；
4. a laser integration packaging, position offset is not susceptible in rotary course, improves detection accuracy more than.
Description of the drawings
With reference to attached drawing, the disclosure of the utility model will be easier to understand.Skilled addressee readily understands that
It is：These attached drawings are used only for illustrating the technical solution of the utility model, and are not intended to the protection to the utility model
Range is construed as limiting.In figure：
Fig. 1 is the basic block diagram according to the light source module of the utility model embodiment 1；
Fig. 2 is the basic block diagram according to the light source module of the utility model embodiment 2；
Fig. 3 is the basic block diagram according to the light source module of the utility model embodiment 3；
Fig. 4 is the basic block diagram according to the light source module of the utility model embodiment 4；
Fig. 5 is the basic block diagram according to the light source module of the utility model embodiment 5；
Fig. 6 is the basic block diagram according to the light source module of the utility model embodiment 6.
Specific implementation mode
Fig. 1-6 and following description describe the optional embodiments of the utility model how to instruct those skilled in the art
Implement and reproduce the utility model.In order to instruct technical solutions of the utility model, some conventional aspects are simplified or have been omitted.This
Field technology personnel should be appreciated that modification from these embodiments or replacement will be in the scope of the utility model.This field
Technical staff should be appreciated that following characteristics can be combined in various ways to form multiple modifications of the utility model.As a result, originally
Utility model is not limited to following optional embodiments, and is only limited by the claims and their equivalents.
Embodiment 1：
The multi-thread beam laser radar of the utility model embodiment 1, the multi-thread beam laser radar include：
Light source unit (module), Fig. 1 schematically illustrate the basic structure of the light source module of the utility model embodiment 1
Figure, as shown in Figure 1, the light source module includes：
At least two lasers 1, such as 40 lasers, the laser are encapsulated in by high precision die bonder on substrate,
Angle between the optical main axis of the outgoing beam of the laser and the surface of the substrate is zero or acute angle；Laser is in conllinear
Arrangement, or specific setting position and angle according to the requirement of harness；
Substrate 8, such as circuit board (wiring board), the base plate carrying light-reflecting components and relative electronic components；
Light-reflecting components 3, such as microreflection prism, reflecting surface is plane or off axis paraboloid mirror, and the light-reflecting components are anti-
The detection light of the laser emitting is penetrated, the deflection angle of the detection light is acute angle or right angle or obtuse angle；
Probe unit and analytic unit, these are the state of the art, and concrete structure and working method are herein not
It repeats again.
To non-long-range detection, laser radar is without configuring light collimating components；To long-range detection, collimation portion is needed to configure
To reduce the angle of divergence of detection light, the smooth collimating components are arranged between the laser and light-reflecting components part 2, and are in
In the detection light light path；The smooth collimating components are cylindrical mirrors；Either as the light-reflecting components reflecting surface from
Axis paraboloid.
Embodiment 2：
According to application examples of the multi-thread beam laser radar of the utility model embodiment 1 in 30 line beam laser radars.
In the application examples, as shown in Fig. 2, in view of being non-long-range detection, without configuring light collimating components；30 half are led
Body laser 1 is encapsulated in by high precision die bonder in circuit board 8, and first row and secondary series, each column 15 are specifically divided into
Position and the angle of each laser are arranged according to the requirement of laser radar harness for laser；The outgoing of the laser
Angle between the optical main axis of light beam and the surface of the substrate is zero；It is first group of light-reflecting components between two row lasers
2 and second group of light-reflecting components, first group of light-reflecting components is 15, using (the deflection of detection light of miniature right-angle reflecting prism
Angle is right angle, and reflected light of the detection light on reflecting prism is emitted perpendicular to substrate), reflecting surface is plane, is coated with 900-
1000nm infrared light Anti-reflective coating (reflectivity>99%), corresponding with 15 lasers of the first row；Second group of light-reflecting components
It it is 15, using miniature right-angle reflecting prism, (deflection angle of detection light is right angle, reflected light of the detection light on reflecting prism
It is emitted perpendicular to substrate), reflecting surface is plane, is coated with 900-1000nm infrared light Anti-reflective coating (reflectivity>99%), with described
15 lasers of two row correspond to；The setting angle of light-reflecting components is depending on the requirement of the harness of laser radar.
Embodiment 3：
According to application examples of the multi-thread beam laser radar of the utility model embodiment 1 in 40 line beam laser radars.
In the application examples, as shown in figure 3, in view of being long-range detection, light collimating components 3 need to be configured, using cylindrical mirror,
Quantity is identical as the quantity of laser, in the detection light light path being arranged between laser 1 and light-reflecting components 2；40 half are led
Body laser is encapsulated in by high precision die bonder in circuit board 8, and first row and secondary series are specifically divided into, and each column 20 swashs
Light device, it is conllinear to arrange；It is first group of light-reflecting components and second group of light-reflecting components between two row lasers, first group of light is anti-
It is 20 to penetrate component, and using miniature right-angle reflecting prism, reflecting surface is plane, and it is (anti-to be coated with 900-1000nm infrared lights Anti-reflective coating
Penetrate rate>99%), corresponding with 20 lasers of the first row；Second group of light-reflecting components is 20, anti-using miniature right-angle
Prism is penetrated, reflecting surface is plane, is coated with 900-1000nm infrared light Anti-reflective coating (reflectivity>99%), with the 20 of the secondary series
A laser corresponds to；The setting angle of light-reflecting components is depending on the requirement of the harness of laser radar.
Embodiment 4：
According to application examples of the multi-thread beam laser radar of the utility model embodiment 1 in 40 line beam laser radars.
In the application examples, as shown in figure 4,40 semiconductor lasers 1 are encapsulated in circuit base by high precision die bonder
On plate 8, it is specifically divided into first row and secondary series, 20 lasers of each column are conllinear to arrange；It is first between two row lasers
Group light-reflecting components 4 and second group of light-reflecting components, first group of light-reflecting components are 20, using microreflection prism, reflection
Face is off axis paraboloid mirror, is coated with 900-1000nm infrared light Anti-reflective coating (reflectivity>99%), with 20 laser of the first row
Device corresponds to；Second group of light-reflecting components is 20, and using microreflection prism, reflecting surface is off axis paraboloid mirror, is coated with 900-
1000nm infrared light Anti-reflective coating (reflectivity>99%), corresponding with 20 lasers of the secondary series；The installation of light-reflecting components
Angle is depending on the requirement of the harness of laser radar；In view of being long-range detection, light collimating components need to be configured, using it is described from
Axis paraboloid is as light collimating components.
Embodiment 5：
According to application examples of the multi-thread beam laser radar of the utility model embodiment 1 in 40 line beam laser radars.
In the application examples, as shown in figure 5,40 semiconductor lasers 1 are encapsulated in circuit base by high precision die bonder
On plate 8, it is specifically divided into first row and secondary series, 20 lasers of each column are conllinear to arrange；It is first between two row lasers
A light-reflecting components 5 and second light-reflecting components, first light-reflecting components use the reflecting prism in strip, reflecting surface
It is off axis paraboloid mirror, is coated with 900-1000nm infrared light Anti-reflective coating (reflectivity>99%), with 20 lasers of the first row
Corresponding, (different piece of reflecting surface reflects the detection of various lasers outgoing to the detection light of 20 laser emittings of reflection respectively
Light)；Second light-reflecting components uses the reflecting prism in strip, and reflecting surface is off axis paraboloid mirror, is coated with 900-1000nm
Infrared light Anti-reflective coating (reflectivity>99%), corresponding with 20 lasers of the secondary series, reflect the spy of 20 laser emittings
Survey light (different piece of reflecting surface reflects the detection light of various lasers outgoing respectively)；In view of being long-range detection, need to configure
Light collimating components, using the off axis paraboloid mirror as light collimating components.
Embodiment 6：
According to application examples of the multi-thread beam laser radar of the utility model embodiment 1 in 40 line beam laser radars.
In the application examples, as shown in fig. 6,40 semiconductor lasers 1 are encapsulated in circuit base by high precision die bonder
On plate 8, it is specifically divided into first row and secondary series, 20 lasers of each column are conllinear to arrange；Only have 1 between two row lasers
A light-reflecting components 6, light-reflecting components use the reflecting prism in strip, have the first reflecting surface and the second reflecting surface, instead
It penetrates face and uses off axis paraboloid mirror, be coated with infrared light Anti-reflective coating, the first reflecting surface is corresponding with 20 lasers of the first row, instead
Penetrate the detection light of 20 laser emittings (different piece of reflecting surface reflects the detection light of various lasers outgoing respectively)；Second
Reflecting surface is corresponding with 20 lasers of the secondary series, reflects detection light (the different portions of reflecting surface of 20 laser emittings
Divide the detection light of reflection various lasers outgoing respectively)；In view of being long-range detection, light collimating components need to be configured, using described
Off axis paraboloid mirror is as light collimating components.
It is identical as number of lasers that above-described embodiment exemplarily only gives light collimating components quantity, naturally it is also possible to no
Together, such as the emergent light of the different piece collimation various lasers of a light collimating components；The quantity and laser of light-reflecting components
Quantity is identical or is 1, can also be other quantity, and if laser is 20, light-reflecting components are 10,1 photo-emission part
The different piece of the reflecting surface of part reflects the emergent light of 2 lasers respectively.
Claims (10)
1. a kind of light source module, it is characterised in that：The light source module includes：
At least two lasers, the individual laser package is on substrate；
Substrate, the base plate carrying light-reflecting components；
Light-reflecting components, the light-reflecting components reflect the detection light of the laser emitting, the deflection angle of the detection light
For acute angle or right angle or obtuse angle.
2. light source module according to claim 1, it is characterised in that：The substrate is wiring board.
3. light source module according to claim 1, it is characterised in that：The optical main axis of the outgoing beam of the laser with
Angle between the surface of the substrate is zero or acute angle.
4. light source module according to claim 1, it is characterised in that：The light source module further comprises：
Light collimating components, the smooth collimating components are arranged between the laser and light-reflecting components, and are in the detection
In light light path.
5. light source module according to claim 4, it is characterised in that：The smooth collimating components are cylindrical mirrors；Either make
For the off axis paraboloid mirror of the reflecting surface of the light-reflecting components.
6. light source module according to claim 1, it is characterised in that：At least two lasers collinearly arrange.
7. light source module according to claim 1, it is characterised in that：The quantity of the light-reflecting components and the laser
Quantity is identical or the different piece of the reflecting surface of same light-reflecting components reflects the detection of various lasers outgoing respectively
Light.
8. light source module according to claim 1, it is characterised in that：The laser constitution first row laser group and
Two row laser groups；
First light-reflecting components and the setting of the second light-reflecting components the first row laser group and secondary series laser group it
Between；The detection light of at least two laser emittings of first row laser group is reflected by first light-reflecting components, secondary series
The detection light of at least two laser emittings of laser group is reflected by second light-reflecting components.
9. light source module according to claim 8, it is characterised in that：The same light-reflecting components have the first reflecting surface and
Second reflecting surface, reflecting surface of first reflecting surface as first light-reflecting components, second reflecting surface is as institute
State the reflecting surface of the second light-reflecting components.
10. multi-thread beam laser radar, the multi-thread beam laser radar includes light source unit, probe unit；It is characterized in that：It is described
Light source unit is using any light source modules of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089928.5U CN207730931U (en) | 2018-01-19 | 2018-01-19 | Light source module and multi-thread beam laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820089928.5U CN207730931U (en) | 2018-01-19 | 2018-01-19 | Light source module and multi-thread beam laser radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730931U true CN207730931U (en) | 2018-08-14 |
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ID=63082989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820089928.5U Active CN207730931U (en) | 2018-01-19 | 2018-01-19 | Light source module and multi-thread beam laser radar |
Country Status (1)
| Country | Link |
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| CN (1) | CN207730931U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110579751A (en) * | 2019-08-27 | 2019-12-17 | 上海禾赛光电科技有限公司 | Transmitting system applicable to laser radar, laser radar and laser transmitting method |
| CN113193471A (en) * | 2019-07-31 | 2021-07-30 | 上海禾赛科技有限公司 | Laser, laser emitting board assembly, laser radar and laser packaging method |
-
2018
- 2018-01-19 CN CN201820089928.5U patent/CN207730931U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193471A (en) * | 2019-07-31 | 2021-07-30 | 上海禾赛科技有限公司 | Laser, laser emitting board assembly, laser radar and laser packaging method |
| CN110579751A (en) * | 2019-08-27 | 2019-12-17 | 上海禾赛光电科技有限公司 | Transmitting system applicable to laser radar, laser radar and laser transmitting method |
| CN110579751B (en) * | 2019-08-27 | 2022-08-09 | 上海禾赛科技有限公司 | Transmitting system applicable to laser radar, laser radar and laser transmitting method |
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