CN209134219U - Automated driving system, laser radar and its motor - Google Patents
Automated driving system, laser radar and its motor Download PDFInfo
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- CN209134219U CN209134219U CN201822086597.2U CN201822086597U CN209134219U CN 209134219 U CN209134219 U CN 209134219U CN 201822086597 U CN201822086597 U CN 201822086597U CN 209134219 U CN209134219 U CN 209134219U
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Abstract
The utility model relates to a kind of automated driving system, laser radar and its motors, motor includes stator, motor shaft, coil, rotor, magnet and bearing, motor shaft and stator are integrally formed, motor shaft is both ends open and the hollow shaft in hollow form, light hole is connected with the inside of motor shaft, therefore motor shaft is designed compared to traditional technology using larger-diameter hollow shaft, and the inside of motor shaft can be used for installing light beam reshaping structure, without additionally increasing space, be conducive to reduce volume.Rotating excitation field is generated after coil energization, magnet cuts rotating excitation field and generates electromotive force and electric current, and forming electromagnetic torque makes rotor compared to stator rotation, motor shaft and stator are integrally formed, therefore optical axis is consistent with shaft, the stationarity that can ensure motor shaft improves the shock resistance of motor.
Description
Technical field
The utility model relates to automatic Pilot technical field, more particularly to a kind of automated driving system, laser radar and
Its motor.
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 motor of conventional laser radar has that volume is big, stationarity is inadequate, causes shock resistance not high.
Utility model content
Based on this, it is necessary to which in view of the above technical problems, volume can be effectively reduced, improve stationarity to protect by providing one kind
Demonstrate,prove automated driving system, laser radar and its motor of shock resistance.
A kind of motor of laser radar, comprising:
Stator, including fixed part and winding section, light hole is offered on the fixed part, and the winding section is set to described
On fixed part and surround the light hole；
Motor shaft is integrally formed with the stator, and the motor shaft is described for both ends open and in the hollow shaft of hollow form
Light hole is connected with the inside of the motor shaft, for installing light beam reshaping structure inside the motor shaft；
Coil is set around on the winding section；
Rotor, is sheathed on the outside of the motor shaft, and the rotor can be rotated relative to the motor shaft；
Magnet is set on the rotor, and corresponding with the coil；And
Bearing is sheathed on the outside of the motor shaft, and between the rotor and the motor shaft.
The rotor includes the company of inner ring, outer ring and the connection inner ring and the outer ring in one of the embodiments,
Socket part, the inner ring are in contact with the bearing, and the outer ring is oppositely arranged with the inner ring interval, and the magnet is located at described
The interval of outer ring and the inner ring.
The outer wall of the outer ring is prominent in one of the embodiments, is formed with boss, and the boss is used for and code-disc phase
Cooperation.
The inner wall protrusion of the inner ring is formed with bulge loop in one of the embodiments, and the bearing includes first bearing
And second bearing, the bulge loop is between the first bearing and the second bearing.
It in one of the embodiments, further include washer, the washer is sheathed on the outside of the motor shaft, and the pad
Circle is between the first bearing and the second bearing.
It in one of the embodiments, further include nut, the nut spiral shell is set to one end of the motor shaft, the bearing
Between the fixed part and the nut.
Offer first positioning hole on the fixed part in one of the embodiments, the first positioning hole be used for
The first positioning column on upper bracket matches.
Second location hole is offered on the rotor in one of the embodiments, the second location hole is used for and mirror
The second positioning column on piece support frame matches.
A kind of laser radar, comprising:
Upper bracket；
Laser light source emitting structural is set on the upper bracket；
Motor as described in any of the above item；And
Lens support frame is set on the rotor.
A kind of automated driving system, comprising: laser radar as described above.
The motor of above-mentioned laser radar has at least the following advantages:
Since motor shaft and stator are integrally formed, motor shaft be both ends open and be in hollow form hollow shaft, light hole with
The inside of motor shaft is connected, therefore motor shaft is designed compared to traditional technology using larger-diameter hollow shaft, motor shaft
Inside can be used for installing light beam reshaping structure, does not have to additional increase space, is conducive to reduce volume.It is generated after coil energization
Rotating excitation field, magnet cut rotating excitation field and generate electromotive force and electric current, and forming electromagnetic torque makes rotor compared to stator rotation,
Motor shaft and stator are integrally formed, therefore optical axis is consistent with shaft, it can be ensured that the stationarity of motor shaft improves motor
Shock resistance.
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. 3；
Fig. 5 is the partial schematic diagram of Fig. 4.
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 sufficiently manage
Solve the utility model.But the utility model can be implemented with being much different from other way described herein, this field skill
Art personnel can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by described below
Specific implementation limitation.
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 offered as being unique 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.
Unpiloted purpose may be implemented in automated driving system in one embodiment, including laser radar.Please refer to figure
1 and Fig. 2, the laser radar 10 in an embodiment, including outer cover 100, upper bracket 200, laser light source emitting structural 300, motor
400 and lens support frame 500.
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, motor and lens support frame 500 are respectively positioned in accommodating chamber.Wherein, upper housing
110 can be dark acrylic cover, and the light of Laser emission phase co-wavelength can be penetrated by having, and can be shielded in addition to this wavelength
The feature of light, the laser that laser light source emitting structural 300 issues can project from acrylic cover, get to and be reflected back Ya Ke on object
In power cover, and extraneous other veiling glares cannot be introduced into acrylic cover, can effectively avoid 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.
Also referring to Fig. 3 to Fig. 5, motor 400 includes stator 410, motor shaft 420, coil 430, rotor 440, magnet
450 and bearing.Stator 410 includes fixed part 411 and winding section 412, and stator 410 is fixed on upper bracket 200 by fixed part 411
On, winding section 412 is used for wound around coil 430.Light hole is offered on fixed part 411, winding section 412 is set to fixed part 411
Above and surround light hole.Light hole is passed through mainly for the laser beam of the sending of laser light source emitting structural 300.
Motor shaft 420 and stator 410 are integrally formed, and motor shaft 420 is both ends open and the hollow shaft in hollow form, light passing
Hole is connected with the inside of motor shaft 420, therefore laser beam is injected in motor shaft 420 after light hole.Inside motor shaft 420
For installing light beam reshaping structure 20, laser beam projects again after passing through 20 shaping of light beam reshaping structure, can reduce laser beam
The angle of divergence improves the quality of laser beam.
Coil 430 is set around on winding section 412.Rotor 440 is sheathed on the outside of motor shaft 420, and rotor 440 is relative to electricity
Arbor 420 can be rotated.Magnet 450 is set on rotor 440, and corresponding with coil 430.Bearing holder (housing, cover) is set to motor shaft 420
Outside, and between rotor 440 and motor shaft 420, reduce frictional force between rotor 440 and motor shaft 420, prevents rotor
440 relative to motor shaft 420 rotate when abrasion fever it is too serious.Rotating excitation field, magnet 450 are generated after the energization of coil 430
It cuts rotating excitation field and generates electromotive force and electric current, and forming electromagnetic torque rotates rotor 440 compared to stator 410.
Specific in the present embodiment, rotor 440 includes the company of inner ring 441, outer ring 442 and connection inner ring 441 and outer ring 442
Socket part 443, inner ring 441 are in contact with bearing, and outer ring 442 and inner ring 441 interval are oppositely arranged, magnet 450 be located at outer ring 442 and
The interval of inner ring 441.Therefore space structure is more compact, and structure design is more reasonable.The outer wall protrusion of outer ring 442 is formed with boss
444, boss 444 with code-disc 30 for matching.Specifically, code-disc 30 is the circular ring structure of sheet, and 30 sets of code-disc in rotor 440
On, and ride on boss 444.
The inner wall protrusion of inner ring 441 is formed with bulge loop 445, and bearing includes first bearing 461 and second bearing 462, bulge loop
445 between first bearing 461 and second bearing 462.By setting first bearing 461 and second bearing 462, so that rotor
Relative rotation between 440 and motor shaft 420 is more stable.
Motor 400 further includes washer 446, and washer 446 is sheathed on the outside of motor shaft 420, and washer 446 is located at first axle
It holds between 461 and second bearing 462, prevents first bearing 461 from supporting with second and directly contact.Motor 400 further includes nut
470,470 spiral shell of nut is set to one end of motor shaft 420, and bearing is between fixed part 411 and nut 470.It is main that nut 470 is set
The purpose wanted is limited in bearing between fixed part 411 and nut 470.Certainly, in other implementations, can also lead to
Other limit methods are crossed to limit bearing.
Referring to Fig. 5, offering first positioning hole 413 on fixed part 411, first positioning hole 413 is used for and upper bracket 200
On the first positioning column 210 match, to realize the radial positioning of stator 410 Yu upper bracket 200.For example, first positioning hole 413
It can be waist-shaped hole, to reduce processing and manufacturing difficulty.Lens support frame 500 is set on rotor 440.Lens support frame 500 is main
It is used to install reflecting mirror, reflecting mirror is used to the Laser emission that laser light source emitting structural 300 issues going out outer cover 100.Rotor
Second location hole 447 is offered on 440, second location hole 447 is used for and 510 phase of the second positioning column on lens support frame 500
Cooperation, to realize the radial positioning of rotor 440 Yu lens support frame 500.For example, second location hole 447 or waist-shaped hole,
Difficulty is fabricated to reduce.
Above-mentioned automated driving system, laser radar 10 and its motor 400 have at least the following advantages:
Since motor shaft 420 and stator 410 are integrally formed, motor shaft 420 be both ends open and be in hollow form hollow shaft,
Light hole is connected with the inside of motor shaft 420, therefore motor shaft 420 uses larger-diameter hollow shaft compared to traditional technology
Design, the inside of motor shaft 420 can be used for installing light beam reshaping structure 20, do not have to additional increase space, are conducive to reduce body
Product.Rotating excitation field is generated after the energization of coil 430, magnet 450 cuts rotating excitation field and generates electromotive force and electric current, and forms electromagnetism
Torque rotates rotor 440 compared to stator 410, and motor shaft 420 and stator 410 are integrally formed, therefore optical axis and shaft are kept
Unanimously, it can be ensured that the stationarity of motor shaft 420 improves the shock resistance of motor 400.
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.
Several embodiments of the utility model above described embodiment only expresses, 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 ordinary skill of this field
For personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this
The protection scope of 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 motor of laser radar characterized by comprising
Stator, including fixed part and winding section offer light hole on the fixed part, and the winding section is set to the fixation
In portion and surround the light hole；
Motor shaft is integrally formed with the stator, and the motor shaft is both ends open and the hollow shaft in hollow form, the light passing
Hole is connected with the inside of the motor shaft, for installing light beam reshaping structure inside the motor shaft；
Coil is set around on the winding section；
Rotor, is sheathed on the outside of the motor shaft, and the rotor can be rotated relative to the motor shaft；
Magnet is set on the rotor, and corresponding with the coil；And
Bearing is sheathed on the outside of the motor shaft, and between the rotor and the motor shaft.
2. motor according to claim 1, which is characterized in that the rotor includes inner ring, outer ring and the connection inner ring
With the interconnecting piece of the outer ring, the inner ring is in contact with the bearing, and the outer ring is oppositely arranged with the inner ring interval, institute
State the interval that magnet is located at the outer ring and the inner ring.
3. motor according to claim 2, which is characterized in that the outer wall protrusion of the outer ring is formed with boss, described convex
Platform with code-disc for matching.
4. motor according to claim 2, which is characterized in that the inner wall protrusion of the inner ring is formed with bulge loop, the axis
It contracts and includes first bearing and second bearing, the bulge loop is between the first bearing and the second bearing.
5. motor according to claim 4, which is characterized in that further include washer, the washer is sheathed on the motor shaft
Outside, and the washer is between the first bearing and the second bearing.
6. motor according to claim 1, which is characterized in that further include nut, the nut spiral shell is set to the motor shaft
One end, the bearing is between the fixed part and the nut.
7. motor according to claim 1, which is characterized in that offer first positioning hole on the fixed part, described
A positioning hole with the first positioning column on upper bracket for matching.
8. motor according to claim 1, which is characterized in that offer second location hole on the rotor, described second
Location hole with the second positioning column on lens support frame for matching.
9. a kind of laser radar characterized by comprising
Upper bracket；
Laser light source emitting structural is set on the upper bracket；
Motor as claimed in any one of claims 1 to 8；And
Lens support frame is set on the rotor.
10. a kind of automated driving system characterized by comprising laser radar as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822086597.2U CN209134219U (en) | 2018-12-12 | 2018-12-12 | Automated driving system, laser radar and its motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822086597.2U CN209134219U (en) | 2018-12-12 | 2018-12-12 | Automated driving system, laser radar and its motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209134219U true CN209134219U (en) | 2019-07-19 |
Family
ID=67248702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822086597.2U Active CN209134219U (en) | 2018-12-12 | 2018-12-12 | Automated driving system, laser radar and its motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209134219U (en) |
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2018
- 2018-12-12 CN CN201822086597.2U patent/CN209134219U/en active Active
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