CN209342909U - Automated driving system, laser radar and its anti-interference structure - Google Patents
Automated driving system, laser radar and its anti-interference structure Download PDFInfo
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- CN209342909U CN209342909U CN201822090750.9U CN201822090750U CN209342909U CN 209342909 U CN209342909 U CN 209342909U CN 201822090750 U CN201822090750 U CN 201822090750U CN 209342909 U CN209342909 U CN 209342909U
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- interference structure
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Abstract
The utility model relates to a kind of automated driving systems, laser radar and its anti-interference structure, anti-interference structure includes light insulation pad, since light insulation pad is between upper bracket and lower bracket, through-hole is offered in the middle part of light insulation pad, through-hole for lens support frame and reflecting optics for passing through, laser light source emitting structural and laser pick-off structure are located at the opposite sides of light insulation pad, therefore the laser that laser light source emitting structural issues reflects outer cover by reflecting optics and gets on object, it is injected after object reflection by outer cover, it is reflected using reflecting optics, it is converged on photodetector by the reception of laser pick-off structure.Since light insulation pad keeps apart laser light source emitting structural and laser pick-off structure, laser is directly entered in laser pick-off structure after can not reflecting at outer cover, and so as to effectively avoid the formation of veiling glare signal, light disturbance can be effectively prevented.
Description
Technical field
The utility model relates to anti-tampering technical field, more particularly to a kind of automated driving system, laser radar and its
Anti-interference structure.
Background technique
With the continuous development of science and technology, pilotless automobile is gradually concerned by people.Pilotless automobile is again
Claim autonomous driving vehicle or computer driving, is that one kind by computer system realizes unpiloted intelligent automobile.Automatically it drives
The ability that automobile possesses environment sensing, path planning and control vehicle movement is sailed, computer is allowed automatically to operate motor vehicles.Automatically
Driving needs to perceive ambient enviroment when independently being travelled, and then is done according to obtained environmental information
Behaviour decision making out.Environment sensing ability is to realize the premise of automatic Pilot, is only carried out to the environment of motor vehicle environment accurately and fast
The perception of speed, automatic Pilot are likely to be achieved.
Autonomous driving vehicle obtains ambient condition information, common sensor packet by the various kinds of sensors installed on vehicle
Include laser radar.The light beam that the laser of conventional laser radar issues is easy to be directly entered receiving light path after reflecting at outer cover
In, to form veiling glare signal, light is caused to interfere.
Utility model content
Based on this, it is necessary in view of the above technical problems, provide a kind of automatic Pilot that light disturbance can be effectively prevented
System, laser radar and its anti-interference structure.
A kind of anti-interference structure of laser radar, including light insulation pad, the light insulation pad are contained in the accommodating chamber of outer cover formation
Interior, the light insulation pad offers through-hole, the through-hole is for supplying between upper bracket and lower bracket in the middle part of the light insulation pad
Lens support frame and reflecting optics pass through, and laser light source emitting structural is located at the phase of the light insulation pad with laser pick-off structure
To two sides.
The light insulation pad is formed with installation towards the side of the laser light source emitting structural in one of the embodiments,
Slot is formed with the mounting ring matched with the mounting groove on the lens support frame.
The quantity of the mounting ring is two in one of the embodiments, two installation central spacer settings, and two
A mounting ring is corresponding with the two lateral walls of the mounting groove respectively.
Reinforcing rib is formed in the light insulation pad in one of the embodiments,.
Locating piece, the locating piece and the lower bracket phase are formed in the light insulation pad in one of the embodiments,
Cooperation.
It in one of the embodiments, further include the first shielding case, first shielding case covers on Laser Driven plate.
It in one of the embodiments, further include secondary shielding cover, the secondary shielding cover covers on detecting plate.
It in one of the embodiments, further include third shielding case, the third shielding case is set to detecting plate driving plate
On.
The anti-interference structure of above-mentioned laser radar has at least the following advantages:
Since light insulation pad is between upper bracket and lower bracket, through-hole is offered in the middle part of light insulation pad, through-hole is used for for mirror
Piece support frame and reflecting optics pass through, and laser light source emitting structural and laser pick-off structure are located at opposite the two of light insulation pad
Side, therefore the laser of laser light source emitting structural sending reflects outer cover by reflecting optics and gets on object, object is anti-
It is injected after penetrating by outer cover, is reflected using reflecting optics, converged on photodetector by the reception of laser pick-off structure.Due to
Light insulation pad keeps apart laser light source emitting structural and laser pick-off structure, therefore can not be at outer cover inner wall after Laser emission
It is directly entered after reflection in laser pick-off structure, so as to effectively avoid the formation of veiling glare signal, it is dry that veiling glare can be effectively prevented
It disturbs.
A kind of laser radar, comprising:
Outer cover is formed with accommodating chamber；
Upper bracket is contained in the accommodating chamber；
Laser light source emitting structural is set on the upper bracket；
Lower bracket is contained in the accommodating chamber；
Lens support frame and reflecting optics, the reflecting optics are set on the lens support frame；
Anti-interference structure as described in any of the above item；
Laser pick-off structure, for receiving the laser reflected by object.
A kind of automated driving system, including laser radar as described above.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the laser radar in an embodiment；
Fig. 2 is the structural schematic diagram that laser radar shown in Fig. 1 saves outer cover；
Fig. 3 is the three-dimensional cutaway view of laser radar shown in Fig. 1；
Fig. 4 is the three-dimensional cutaway view at another visual angle of laser radar shown in Fig. 1.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific implementation opened.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Each technical characteristic of embodiment described above
It can be combined arbitrarily, for simplicity of description, not to all possible combination of each technical characteristic in above-described embodiment
It is all described, as long as being all considered to be the model of this specification record however, there is no contradiction in the combination of these technical features
It encloses.
Automated driving system in one embodiment, including laser radar 10, may be implemented unpiloted purpose.It please join
Read Fig. 1 and Fig. 2, the laser radar 10 in an embodiment, including outer cover 100, upper bracket 200, laser light source emitting structural
300, lower bracket 400, lens support frame 500, reflecting optics 600, anti-interference structure and laser pick-off structure 800.
Outer cover 100 is formed with accommodating chamber, and outer cover 100 includes upper housing 110, middle shell 120 and lower case 130, middle shell
120 between upper housing 110 and lower case 130, and upper housing 110, middle shell 120 and lower case 130 surround accommodating chamber jointly,
Upper bracket 200, laser light source emitting structural 300, lower bracket 400, lens support frame 500, reflecting optics 600 and laser pick-off knot
Structure 800 is respectively positioned in accommodating chamber.Wherein, upper housing 110 can be dark acrylic cover, and the identical wave of Laser emission can be penetrated by having
Long light, and the feature of the light in addition to this wavelength can be shielded, the laser that laser light source emitting structural 300 issues can be from sub- gram
Power cover projects, and gets on object and is reflected back in acrylic cover, and extraneous other veiling glares cannot be introduced into acrylic cover, Neng Gouyou
Effect avoids light disturbance.
Laser light source emitting structural 300 is set on upper bracket 200, and laser light source emitting structural 300 is mainly used for emitting
Laser beam.Specifically, laser light source emitting structural 300 includes adjustment seat 310, laser 320 and heat conductive pad 330.Heat conductive pad
330 cover on laser 320, and heat conductive pad 330 and laser 320 pass through viscose glue gluing.The material of heat conductive pad 330 can be poly-
Tetrafluoroethene, have it is heat-resisting, it is thermally conductive good, the characteristics of insulation, the heat that laser 320 generates can effectively be passed,
It prevents laser 320 to be burned, extends the service life of laser 320.
Heat conductive pad 330 and laser 320 after gluing is good are placed in adjustment seat 310, during assembling, heat conductive pad
Relative position between 330 and laser 320 and adjustment seat 310 can front and rear, left and right adjustment, be located at laser 320 best
It will be fixed between heat conductive pad 330 and laser 320 and adjustment seat 310 by viscose glue behind position.Adjustment seat 310 is set to upper bracket
On 200.For example, external screw thread can be arranged in adjustment seat 310, internal screw thread is set on upper bracket 200, adjustment seat 310 is passed through
The mode of screw thread is arranged on upper bracket 200.Therefore, during assembling, adjustment seat 310 can be relative to upper bracket 200
It moves up and down.
Lower bracket 400 is also contained in accommodating chamber, and lower bracket 400 is mainly used for supporting laser pick-off structure 800.Eyeglass branch
Support 500 and reflecting optics 600 are also contained in accommodating chamber, and lens support frame 500 is mainly used for supporting reflecting optics 600, instead
Eyeglass 600 is penetrated for the laser beam that laser light source emitting structural 300 issues to be got to object, laser pick-off structure 800
The laser beam reflected back from object is received.
Also referring to Fig. 3 and Fig. 4, anti-interference structure includes light insulation pad 700, and light insulation pad 700 is contained in the formation of outer cover 100
Accommodating chamber in.For light insulation pad 700 between upper bracket 200 and lower bracket 400, the middle part of light insulation pad 700 offers through-hole
For passing through for lens support frame 500 and reflecting optics 600, laser light source emitting structural 300 connects with laser by 700a, through-hole 700a
Receive the opposite sides that structure 800 is located at light insulation pad 700.
The material of light insulation pad 700 can be ABS plastic (acrylonitrile-butadiene-styrene (ABS) plastics, Acrylonitrile
Butadiene Styrene plastic), there is lighttight characteristic, therefore can play the role of blocking veiling glare.
Light insulation pad 700 is formed with mounting groove 710 towards the side of laser light source emitting structural 300, on lens support frame 500
It is formed with the mounting ring 510 matched with mounting groove 710.Therefore light insulation pad 700 is more firm, it is not easy to tremble under the effect of external force
It is dynamic to fall.Specifically, the quantity of mounting ring 510 is two, two interval of mounting ring 510 settings, and two mounting rings 510 are distinguished
It is corresponding with the two lateral walls of mounting groove 710.Therefore, the intensity for increasing light insulation pad 700 Yu lens support frame 500 makes to match
Conjunction is more firm, while also making the approach of light disturbance more tortuous.
Reinforcing rib is formed in light insulation pad 700, reinforcing rib primarily serves the effect for reinforcing the intensity of light insulation pad 700.For example,
In the present embodiment, the reinforcing rib being axially and radially distributed along it, each radial reinforcing rib interval point are formed in light insulation pad 700
Cloth, the reinforcing rib being axially distributed connect each radially-arranged reinforcing rib.
Locating piece 720 is formed in light insulation pad 700, locating piece 720 is matched with lower bracket 400.Specifically, locating piece
720 protrusions are formed in light insulation pad 700, and the quantity of locating piece 720 is two pieces, form notch, lower branch between two pieces of locating pieces 720
The upper part of frame 400 is caught in notch, forms rock-steady structure.Support column 730, support column 730 are additionally provided on lower bracket 400
One end insertion lower bracket 400 on, the other end be inserted into light insulation pad 700 on, with play the role of support light insulation pad 700.
Specific in present embodiment, anti-interference structure further includes the first shielding case 740, and the first shielding case 740 covers at
On Laser Driven plate.First shielding case 740 is primarily used to prevent extraneous other interference signal source (such as electromagnetism, mobile phone signals etc.
These interference sources) the important electronic component (chip, single-chip microcontroller) on Laser Driven plate is interfered.First shielding case
740 material generally has the metal material of shielding external interference signal, is not limited to copper, aluminium, iron, silicon steel sheet etc..
Specific in present embodiment, anti-interference structure further includes secondary shielding cover 750, and secondary shielding cover 750 covers at
On detecting plate.Secondary shielding cover 750 be primarily used to prevent extraneous other interference signal sources (such as electromagnetism, mobile phone signal etc. these
Interference source) the important electronic component (chip, single-chip microcontroller) on detecting plate is interfered.The material of secondary shielding cover 750
The general metal material with shielding external interference signal, is not limited to copper, aluminium, iron, silicon steel sheet etc..
Specific in present embodiment, anti-interference structure further includes third shielding case 760, and third shielding case 760 is set to
In detecting plate driving plate.Third shielding case 760 is primarily used to prevent extraneous other interference signal source (such as electromagnetism, mobile phone signals
Deng these interference sources) the important electronic component (chip, single-chip microcontroller) in detecting plate driving plate is interfered.Third shielding
The material of cover 760 generally has the metal material of shielding external interference signal, is not limited to copper, aluminium, iron, silicon steel sheet etc..
Above-mentioned laser radar 10 and its anti-interference structure have at least the following advantages:
Since light insulation pad 700 is between upper bracket 200 and lower bracket 400, the middle part of light insulation pad 700 offers through-hole
For passing through for lens support frame 500 and reflecting optics 600, laser light source emitting structural 300 connects with laser by 700a, through-hole 700a
The opposite sides that structure 800 is located at light insulation pad 700 is received, therefore the laser that laser light source emitting structural 300 issues is by anti-
It penetrates eyeglass 600 and reflects outer cover 100 and get on object, injected after object reflection by outer cover 100, using reflecting optics
600 reflections are converged on photodetector by the reception of laser pick-off structure 800.Since light insulation pad 700 is by laser light source emitter junction
Structure 300 is kept apart with laser pick-off structure 800, therefore laser can not be directly entered laser pick-off after reflection at outer cover 100
In structure 800, so as to effectively avoid the formation of veiling glare signal, light disturbance can be effectively prevented.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of anti-interference structure of laser radar, which is characterized in that including light insulation pad, the light insulation pad is contained in outer cover and is formed
Accommodating chamber in, the light insulation pad offers through-hole between upper bracket and lower bracket in the middle part of the light insulation pad, described logical
Hole for being passed through for lens support frame and reflecting optics, laser light source emitting structural and laser pick-off structure be located at it is described every
The opposite sides of tabula rasa.
2. anti-interference structure according to claim 1, which is characterized in that the light insulation pad emits towards the laser light source
The side of structure is formed with mounting groove, is formed with the mounting ring matched with the mounting groove on the lens support frame.
3. anti-interference structure according to claim 2, which is characterized in that the quantity of the mounting ring is two, two institutes
Installation central spacer setting is stated, and two mounting rings are corresponding with the two lateral walls of the mounting groove respectively.
4. anti-interference structure according to claim 1, which is characterized in that be formed with reinforcing rib in the light insulation pad.
5. anti-interference structure according to claim 1, which is characterized in that locating piece is formed in the light insulation pad, it is described
Locating piece is matched with the lower bracket.
6. anti-interference structure according to any one of claims 1 to 5, which is characterized in that it further include the first shielding case, it is described
First shielding case covers on Laser Driven plate.
7. anti-interference structure according to any one of claims 1 to 5, which is characterized in that it further include secondary shielding cover, it is described
Secondary shielding cover covers on detecting plate.
8. anti-interference structure according to any one of claims 1 to 5, which is characterized in that it further include third shielding case, it is described
Third shielding case is set in detecting plate driving plate.
9. a kind of laser radar characterized by comprising
Outer cover is formed with accommodating chamber；
Upper bracket is contained in the accommodating chamber；
Laser light source emitting structural is set on the upper bracket；
Lower bracket is contained in the accommodating chamber；
Lens support frame and reflecting optics, the reflecting optics are set on the lens support frame；
Such as the described in any item anti-interference structures of claim 1-8；
Laser pick-off structure, for receiving the laser reflected by object.
10. a kind of automated driving system, which is characterized in that including laser radar as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822090750.9U CN209342909U (en) | 2018-12-12 | 2018-12-12 | Automated driving system, laser radar and its anti-interference structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822090750.9U CN209342909U (en) | 2018-12-12 | 2018-12-12 | Automated driving system, laser radar and its anti-interference structure |
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| Publication Number | Publication Date |
|---|---|
| CN209342909U true CN209342909U (en) | 2019-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822090750.9U Active CN209342909U (en) | 2018-12-12 | 2018-12-12 | Automated driving system, laser radar and its anti-interference structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618415A (en) * | 2019-09-25 | 2019-12-27 | 深圳市速腾聚创科技有限公司 | Baffle fixing structure for laser radar and laser radar |
-
2018
- 2018-12-12 CN CN201822090750.9U patent/CN209342909U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618415A (en) * | 2019-09-25 | 2019-12-27 | 深圳市速腾聚创科技有限公司 | Baffle fixing structure for laser radar and laser radar |
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