CN206362927U - multi-line laser radar - Google Patents
multi-line laser radar Download PDFInfo
- Publication number
- CN206362927U CN206362927U CN201621474708.1U CN201621474708U CN206362927U CN 206362927 U CN206362927 U CN 206362927U CN 201621474708 U CN201621474708 U CN 201621474708U CN 206362927 U CN206362927 U CN 206362927U
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- laser
- laser emission
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- radar
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Abstract
A kind of multi-line laser radar is disclosed in the utility model, the multi-line laser radar includes：Generating laser, for launching shoot laser；Collimating optics unit, the collimation for the shoot laser；Wherein, the generating laser includes multiple Laser emission plates, and the light emitting end surface of the multiple Laser emission plate is located on the focal plane of the collimating optics unit.The utility model embodiment can improve the vertical resolution of multi-line laser radar.
Description
Technical field
The utility model is related to detection field, more particularly to a kind of multi-line laser radar.
Background technology
Laser radar is the radar system that the characteristic quantities such as position, the speed of target are detected to launch laser beam, its work
It is first to objective emission exploring laser light light beam, then by the signal reflected from target and transmission signal that receive as principle
It is compared, makees after proper treatment, so that it may obtain target for information about, for example target range, orientation, height, speed, appearance
The parameters such as state, even shape.
Multi-line laser radar is one kind of laser radar, is to launch laser by semiconductor laser transmitter, and to echo
What optical signal was detected, multi-line laser radar includes multiple generating lasers, and each generating laser can measure one
Distance.The radiating circuit device of laser is complex, and volume is also larger, therefore foot can not be stacked in less scope
Laser line number is that the stacking quantity of generating laser is that influence multi-line laser radar is vertically differentiated in enough quantity, unit range
The key factor of rate, therefore multi-line laser radar vertical resolution of the prior art is still relatively low.
It can be seen that, existing multi-line laser radar is bulky, and vertical resolution is not high.
Utility model content
A kind of multi-line laser radar is provided in the utility model embodiment, the vertical resolution of multi-line laser radar can be improved
Rate.
In order to solve the above-mentioned technical problem, the utility model embodiment discloses following technical scheme：
On the one hand there is provided a kind of multi-line laser radar, it is characterised in that including：
Generating laser, for launching shoot laser；
Collimating optics unit, the collimation for the shoot laser；
Wherein, the generating laser includes multiple Laser emission plates, the light emitting end surface position of the multiple Laser emission plate
In on the focal plane of the collimating optics unit.
Optionally, the multiple Laser emission plate includes：
At least two row Laser emission plates, each row Laser emission plate includes Laser emission described at least two
Plate.
Optionally, in each row Laser emission plate, the distance between adjacent laser expelling plate is equal.
Optionally, in each row the distance between adjacent laser expelling plate and other row in adjacent laser expelling plate it
Between distance it is equal.
Optionally, described each Laser emission plate and plane-parallel, and in vertical direction with other Laser emissions
Plate staggers.
Optionally, the projection section of the Laser emission plate of the different lines in the horizontal direction is overlapping.
A kind of multi-line laser radar is disclosed in the utility model, including：Generating laser, for launching shoot laser；
Collimating optics unit, the collimation for the shoot laser；Wherein, the generating laser includes multiple Laser emission plates, institute
The light emitting end surface for stating multiple Laser emission plates is located on the focal plane of the collimating optics unit.In the utility model, collimated light
Multiple Laser emission plates are set on the focal plane for learning unit, the focal plane spatial resource of collimating optics unit can be made full use of,
The wire harness of the shoot laser in vertical direction is improved, so as to improve multi-thread sharp in the case where not reducing Laser emission plate thickness
The vertical resolution of optical radar.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other accompanying drawings.
Fig. 1 show the structural representation of the multi-line laser radar of the utility model embodiment；
Fig. 2 show the structural representation of the multi-line laser radar of the utility model embodiment；
Fig. 3 show the structural representation of the multi-line laser radar of the utility model embodiment；
Fig. 4 show the schematic diagram of the hot spot of the utility model embodiment；
Fig. 5 show the structural representation of the multi-line laser radar of the utility model embodiment.
Embodiment
The utility model following examples provide a kind of multi-line laser radar, with higher vertical resolution.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clear, complete description, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Fig. 1 show the structural representation of the multi-line laser radar of the utility model embodiment, and Fig. 1 show many line lasers
Radar side view, as shown in figure 1, multi-line laser radar includes：
Generating laser 110, for launching shoot laser；
Collimating optics unit 120, the collimation for the shoot laser.
Wherein, the generating laser 110 includes multiple Laser emission plates, the light emitting end surface of the multiple Laser emission plate
On the focal plane 130 of the collimating optics unit 120.
In the utility model embodiment, Laser emission plate can be PCB and be arranged on swashing in PCB
Light device.Collimating optics unit 120 can be single lens, or can be lens group.
In the utility model embodiment, multiple Laser emission plates are set on the focal plane of collimating optics unit, can be abundant
Using the focal plane spatial resource of collimating optics unit, the wire harness of the shoot laser in vertical direction is improved, so as to not subtract
The vertical resolution of multi-line laser radar is improved in the case of few Laser emission plate thickness.
In the utility model embodiment, the multiple Laser emission plate includes：
At least two row Laser emission plates, each row Laser emission plate includes Laser emission described at least two
Plate.
In each row Laser emission plate, the distance between adjacent laser expelling plate is equal.
In each row in the distance between adjacent laser expelling plate and other row between adjacent laser expelling plate away from
From equal.
Described each Laser emission plate and plane-parallel, and stagger in level with other Laser emission plates.
It is the structural representation of the multi-line laser radar of the utility model embodiment described in Fig. 2, Fig. 2 show many line lasers
Radar focal plane schematic diagram.As shown in Fig. 2 multiple Laser emission plates are provided with the focal plane of multi-line laser radar, including two
The Laser emission plate of the row above, each row Laser emission plate includes Laser emission plate described at least two.
In each row Laser emission plate, the distance between adjacent laser expelling plate is equal, such as 211 and 212 in Fig. 2 it
Between distance, 212 be equal with the distance between 213.
The distance between adjacent laser expelling plate and the distance between adjacent laser expelling plate phase in other row in each row
Deng.Such as in Fig. 2 the distance between 211 and 212,222 be equal with the distance between 223
Described each Laser emission plate and plane-parallel, and stagger in vertical direction with other Laser emission plates,
As shown in Fig. 2 the horizontal extension line of each Laser emission plate is overlapped all without with other Laser emission plates.
In embodiment of the present utility model, the Laser emission plate of different lines partly overlaps in the horizontal direction.Fig. 3 is shown
The structural representation of the multi-line laser radar of the utility model embodiment, Fig. 3 only shows two row Laser emission plates, 310 and 320
Projection section on horizontal plane is overlapping.
In practical application, because the height of device of installation, position are different on Laser emission plate, so whole Laser emission
The height of plate be not it is completely the same, therefore, though the arrangement of Laser emission plate in each row is more accurate, but
If being that highly relatively low device is arranged on edge, the Laser emission plate of other row can utilize the row Laser emission edges of boards
Larger space between edge.Such setting can reduce the mean space that each row Laser emission plate takes, can be flat in Jiao
More Laser emission plates are placed on face, so as to improve the vertical resolution of laser radar.
In the utility model embodiment, the laser of Laser emission plate transmitting passes through the angle of emergence after collimating optics unit collimation
Degree is different, and the exit direction of each golden light is the company of the light emitting end surface and the photocentre of collimating optics unit of Laser emission plate
Line.
Fig. 4 show the schematic diagram of the hot spot of the utility model embodiment, as shown in figure 4, due to multiple Laser emission plates
Stagger in level, so hot spot of a plurality of transmitting laser at a certain distance from is also what is staggered, this is equivalent to vertical
The line number for adding shoot laser on direction, can improve vertical resolution.
If multi-line laser radar pays special attention to the vertical resolution being horizontally directed in certain angle, it can increase and lean on
The columns of the laser of nearly center section and above and below reducing both sides laser columns, can be with cost-effective.
Fig. 5 show the structural representation of the multi-line laser radar of the utility model embodiment, as shown in figure 4, this practicality
The multi-line laser radar of new embodiment includes rotating mechanism 510, communication system 520 and fixed mechanism 530.
FPGA master control systems 511, emission system 512 and reception system 513 are provided with rotating mechanism 510.
Emission system 512 includes the generating laser, collimating optics unit of above-described embodiment.Emission system 512 it is specific
26S Proteasome Structure and Function is as described above, will not be repeated here.
Reception system 513 in the utility model embodiment is corresponding with emission system 512, and shoot laser is through tested
Object reflection after by the focusing optical element of receiving terminal after, received by laser pickoff.The arrangement mode of laser pickoff with
The arrangement of Laser emission plate is identical, will not be repeated here.
Communication system 520 can be the wireless telecommunication system or line communication system transmitted with energy, for rotating mechanism
Communication between 410 and fixed mechanism 530.
It is provided with high-precision rotary angle measuring system 531 on fixed mechanism 530, FPGA data integrated system 532 and many
Road laser ranging data output interface 533 etc..
The multi-line laser radar of the utility model embodiment, can improve vertical resolution.
Disclosed in embodiment of the present utility model in a kind of multi-line laser radar, the utility model, collimating optics unit
Focal plane on multiple Laser emission plates are set, the focal plane spatial resource of collimating optics unit can be made full use of, improved
The wire harness of shoot laser in vertical direction, so as to improve multi-line laser radar in the case where not reducing Laser emission plate thickness
Vertical resolution.
Those skilled in the art can be understood that the technology in the utility model embodiment can add by software
The mode of required common hardware realizes that common hardware includes universal integrated circuit, universal cpu, general-purpose storage, universal element
Device etc., naturally it is also possible to which application specific integrated circuit, dedicated cpu, private memory, special components and parts etc. are included by specialized hardware
To realize, but the former is more preferably embodiment in many cases.Understood based on such, the skill in the utility model embodiment
The part that art scheme substantially contributes to prior art in other words can be embodied in the form of software product, the calculating
Machine software product can be stored in storage medium, and such as read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), magnetic disc, CD etc., including some instructions are to cause a computer equipment
(can be personal computer, server, or network equipment etc.) performs each embodiment of the utility model or embodiment
Method described in some parts.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment was stressed is the difference with other embodiment.It is real especially for system
Apply for example, because it is substantially similar to embodiment of the method, so description is fairly simple, related part is referring to embodiment of the method
Part explanation.
Above-described the utility model embodiment, does not constitute the restriction to the utility model protection domain.It is any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of multi-line laser radar, it is characterised in that including：
Generating laser, for launching shoot laser；
Collimating optics unit, the collimation for the shoot laser；
Wherein, the generating laser includes multiple Laser emission plates, and the light emitting end surface of the multiple Laser emission plate is located at institute
On the focal plane for stating collimating optics unit.
2. laser radar as claimed in claim 1, it is characterised in that the multiple Laser emission plate includes：
At least two row Laser emission plates, each row Laser emission plate includes Laser emission plate described at least two.
3. laser radar as claimed in claim 2, it is characterised in that in each row Laser emission plate, adjacent laser hair
Penetrate the distance between plate equal.
4. laser radar as claimed in claim 3, it is characterised in that in each row between adjacent laser expelling plate away from
It is equal from the distance between adjacent laser expelling plate in other row.
5. the laser radar as described in any one of Claims 1-4, it is characterised in that described each Laser emission plate and water
Plane is parallel, and staggers in vertical direction with other Laser emission plates.
6. laser radar as claimed in claim 5, it is characterised in that the Laser emission plate of the different lines is in the horizontal direction
Projection section it is overlapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621474708.1U CN206362927U (en) | 2016-12-29 | 2016-12-29 | multi-line laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621474708.1U CN206362927U (en) | 2016-12-29 | 2016-12-29 | multi-line laser radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206362927U true CN206362927U (en) | 2017-07-28 |
Family
ID=59378819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621474708.1U Withdrawn - After Issue CN206362927U (en) | 2016-12-29 | 2016-12-29 | multi-line laser radar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206362927U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107153193A (en) * | 2016-12-29 | 2017-09-12 | 深圳市速腾聚创科技有限公司 | Multi-line laser radar and multi-line laser radar control method |
| CN109260608A (en) * | 2018-08-31 | 2019-01-25 | 上海联影医疗科技有限公司 | Deformation detecting system and method |
| US11592553B2 (en) | 2016-04-20 | 2023-02-28 | Suteng Innovation Technology Co., Ltd | Distance measurement system and method using lidar waveform matching |
| US11650297B2 (en) | 2017-11-10 | 2023-05-16 | Suteng Innovation Technology Co., Ltd. | LIDAR devices |
-
2016
- 2016-12-29 CN CN201621474708.1U patent/CN206362927U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11592553B2 (en) | 2016-04-20 | 2023-02-28 | Suteng Innovation Technology Co., Ltd | Distance measurement system and method using lidar waveform matching |
| CN107153193A (en) * | 2016-12-29 | 2017-09-12 | 深圳市速腾聚创科技有限公司 | Multi-line laser radar and multi-line laser radar control method |
| WO2018121009A1 (en) * | 2016-12-29 | 2018-07-05 | 深圳市速腾聚创科技有限公司 | Multi-line laser radar and multi-line laser radar control method |
| US10746855B2 (en) | 2016-12-29 | 2020-08-18 | Suteng Innovation Technology Co., Ltd. | Multi-line laser radar and multi-line laser radar control method |
| US11650297B2 (en) | 2017-11-10 | 2023-05-16 | Suteng Innovation Technology Co., Ltd. | LIDAR devices |
| CN109260608A (en) * | 2018-08-31 | 2019-01-25 | 上海联影医疗科技有限公司 | Deformation detecting system and method |
| CN109260608B (en) * | 2018-08-31 | 2021-05-18 | 上海联影医疗科技股份有限公司 | Deformation detection system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170728 Effective date of abandoning: 20190222 |
|
| AV01 | Patent right actively abandoned |