CN206992808U - A kind of rotational structure of laser radar - Google Patents
A kind of rotational structure of laser radar Download PDFInfo
- Publication number
- CN206992808U CN206992808U CN201720492365.XU CN201720492365U CN206992808U CN 206992808 U CN206992808 U CN 206992808U CN 201720492365 U CN201720492365 U CN 201720492365U CN 206992808 U CN206992808 U CN 206992808U
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- CN
- China
- Prior art keywords
- rotor
- stator
- rotational structure
- bearing
- gland
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The utility model provides a kind of rotational structure of laser radar, and it includes stator, motor coil, rotor gland, rotor, and bearing, wherein, after the stator is passed through electric energy, the rotor is driven to rotate, so as to drive the laser radar component for being installed on the rotor top to rotate.The utility model uses the design of the hollow shafting of major diameter, the stator of rotary system and rotor portion shafting has been made into, leave enough spaces in centre, for disposing signal transmission structure and energy transmission structure, so that the stationarity of rotary shaft can not only be ensured, the shock resistance of rotational structure is improved, interfering for signal transmission system can be also avoided simultaneously, there is excellent market application foreground.
Description
Technical field
It the utility model is related to rotational structure field, more particularly to a kind of rotational structure on laser radar.
Background technology
With the fast development of Intelligent radar technical field, the application field of radar is gradually widened, rotary radar due to
Its convenience is increasingly paid attention to by every profession and trade.The pattern of radar rotational structure is various, but still many problems be present.
At present, range laser radar is divided into two parts up and down more, wherein, bottom is rotating base, and top is to be driven
Laser emission/receiving unit of rotation.The rotating base of range laser radar, due to the limit on being transmitted and power by signal
System, the solid axle construction of the less list of generally use diameter.But due to top half Laser emission/receiving unit weight extremely
Less in more than 600g, so the single shaft design of this minor diameter is easy to, in radar, rotation is shaken and damaged by external force at a high speed,
So as to influence the normal use of range laser radar.
Utility model content
To solve the above problems, the utility model provides a kind of rotational structure of new pattern laser radar, using major diameter
The design of hollow shafting, the stator of rotary system and rotor portion shafting is made into, enough spaces are left in centre, for pacifying
Signal transmission structure and energy transmission structure are put, the stationarity of rotary shaft can not only be ensured, improves the shock resistance of rotational structure
Performance, while can also avoid interfering for signal transmission system.
Specifically, the utility model provides a kind of rotational structure of laser radar, it is characterised in that described including stator
Stator includes stator base and stator body, and the stator body is annular shape, is arranged at the center of the stator body, motor
Coil, the motor coil are sheathed on the outside of the stator body, rotor gland, and the rotor gland is annular shape, described
Rotor gland is fixedly installed on the inside of the stator body, and rotor, the cylindrical shape of rotor, the rotor end-face center is set
Rotor installation portion is equipped with, the rotor installation portion is fixedly connected with the rotor gland, the rotor is fixed with the stator
Connection, and bearing, the bearing are installed between the rotor and the rotor installation portion, support the rotation of rotor, described
After stator is passed through electric energy, rotor described in the stator driving rotates, so as to drive the laser radar for being installed on the rotor top
Component rotates.
Preferably, the rotational structure also includes clutch shaft bearing and second bearing, towards center on the inside of the stator body
Axle is provided with annular projection, and the clutch shaft bearing is arranged at the top of the annular projection, and the second bearing is arranged at described
The bottom of annular projection, the top of the rotor gland.
Preferably, the rotational structure also includes being arranged at electric energy transmission unit on the inside of the stator body, for
Rotational structure provides electric energy, and signal transmission unit, for realizing the conversion of signal.
Preferably, the electric energy transmission unit includes the first coupling coil and the second coupling coil, wherein, first coupling
Zygonema circle is arranged on the inside of the stator body, second coupling coil is then arranged in the stator base in cylinder.
Preferably, first coupling coil is provided centrally with a through hole, and the signal transmission unit is arranged at described logical
Kong Zhong.
Preferably, the heat emission hole of at least one hollow out is provided with the end face of the rotor.
Preferably, mounting hole is additionally provided with the end face of the rotor, for installing laser radar component.
Preferably, the installation portion of the stator is hollow tubular structure, is had a diameter larger than equal to first coupling line
The diameter of circle, less than or equal to the diameter of the bearing, after installation, first coupling coil is located in the rotor installation portion
Side.
Preferably, external screw thread is provided with the rotor installation portion, accordingly, interior spiral shell is provided with the inside of the rotor gland
Line, during installation, the rotor installation portion screws in the rotor gland, is secured to connect.
Preferably, radiating part is provided with the rotor end-face, the radiating part is that the rotor end-face is thinned
The sector structure that processing is formed.
Compared with prior art, it is of the present utility model it is a technical advantage that：
1) stator, rotor and bearing portions of rotary system are integrated into shafting in the utility model, when avoiding installation
The interference of magneticaction between rotor and stator, installation steps are simplified, while improve the precision of installation；
2) signal transmission structure and energy transmission structure are installed on what stator, rotor and bearing portion integrated by the utility model
The inner side of shafting, avoid interfering with power delivery；When can be rotated at a high speed when radar works, it can be ensured that rotary shaft
Stationarity, while there is high impact resistance；
3) rotor is arranged to cover structure by the utility model, by the transmission of stator, bearing and its signal of inner side and electric energy
In transmission structure is wrapped in, the anti-electromagnetic interference capability of rotational structure is added.
Brief description of the drawings
Fig. 1 is the structure chart of a laser radar rotational structure for meeting the preferred embodiment of the utility model one；
Fig. 2 is the sectional side elevation of rotational structure in Fig. 1；
Fig. 3 does not install structure chart during rotor for rotational structure in Fig. 1；
Fig. 4 is the bearing of rotational structure and the structure chart of rotor gland in Fig. 1；
Fig. 5 is the structure chart of rotor in rotational structure in Fig. 1.
Reference：
1- rotors, 11- rotor installation portions, 12- heat emission holes, 13- mounting holes,
2- motor coils,
3- bearings,
4- stators, 41- stator bodies, 42- stator bases,
The coupling coils of 5- first, 51- through holes,
6- rotor glands.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, advantage of the present utility model is elaborated.
Refering to Fig. 1 and Fig. 2, wherein, Fig. 1 shows the structure of a rotational structure for meeting the preferred embodiment of the utility model one
Figure and its sectional side elevation.The rotational structure provided in the present embodiment is can be seen that with reference to Fig. 1, Fig. 2 mainly includes stator 4, motor lines
Circle 2, rotor gland 6, rotor 1, bearing 3.Its particular location and interconnected relationship are as follows：
- stator 4
The stator includes stator base 42 and stator body 41, and the stator base 42 is cylindric, the stator sheet
Body 41 is annular shape, and the stator body 41 is arranged at the center of the stator base 42, keeps same with the stator base 42
The heart is coaxially disposed；
- motor coil 2
The motor coil 2 is sheathed on the outside of the stator body 41, also same with the stator body and stator base
The heart is coaxially disposed；
- rotor gland 6
The rotor gland 6 is also annular shape, and the rotor gland 6 can be fixedly installed in described by modes such as flanges
The inner side of stator body 41, the external diameter of the rotor gland 6 are equal to or slightly less than the internal diameter of the stator body 41.
- rotor 1
The 1 cylindrical shape of rotor, the center of the end face of the rotor 1 is provided with rotor installation portion 11, described
Rotor installation portion 11 is fixedly connected with the rotor gland 6, so that the rotor 1 is fixedly connected with the stator 4；This implementation
In example, after rotor 1 is installed on stator 4, motor coil 2, stator body 41 etc. are wrapped in inside by stator 4, so as to realize electricity
The effect of magnetic screen.
- bearing 3,
The bearing 3 is installed between the rotor 1 and the rotor installation portion 11, for supporting the rotation of rotor 1.
Rotational structure of the present utility model, after the stator 4 is passed through electric energy, the stator 4 drives the rotor 1 first
Rotate, so as to drive the laser radar component for being installed on the top of rotor 1 to rotate using the rotor 1.
In view of above-mentioned setting, the stator, rotor and bearing portions of rotary system are integrated into shafting in the present embodiment, avoided
The interference of magneticaction during installation between rotor and stator, simplifies installation steps, while improve the precision of installation；Together
When, cylindric rotor structure, including the encapsulated by structures such as stator body, motor coil, bearing, rotor are utilized in the present embodiment
The outer cover of formation, add the anti-electromagnetic interference capability of rotational structure.
It is visible further regarding to Fig. 2, in the present embodiment, it is preferable that the rotational structure includes two bearings, and respectively
One bearing and second bearing (not shown), and, central shaft is provided with annular projection on the inside of the stator body so that, institute
The top that clutch shaft bearing is arranged at the annular projection is stated, the second bearing is arranged at the bottom of the annular projection, described
The top of rotor gland.
Fig. 3 is further regarded to, it does not install structure chart during rotor for rotational structure in Fig. 1, it can be seen that this implementation
In example, the rotational structure also includes the electric energy transmission unit (not shown) for being arranged at the inner side of stator body 41, and signal
Transmission unit (not shown).Wherein, electric energy transmission unit can provide electric energy to rotational structure, so as to start rotational structure work
Make；And the conversion of signal then can be achieved in signal transmission unit, e.g., the signal that can receive radar is converted to optical signal, and passes
The mainboard being handed in chassis.In view of above-mentioned setting, compared with outside setting of the prior art, the present embodiment effectively prevent
What electric energy transmission, signal transmitted in system interferes.
Wherein, specifically, refering to Fig. 2 and Fig. 3, it can be seen that the electric energy transmission unit includes the He of the first coupling coil 5
Second coupling coil (not shown), wherein, first coupling coil 5 is in cylinder, is arranged at the inner side of stator body 41,
With the concentric co-axial of stator body 41, and second coupling coil is then arranged in the stator base 42.Rotational structure
After installation, a gap is kept between the first coupling coil 5 and the second coupling coil, so as to may be implemented in and omit cable
In the case of, realize and provide electric energy to rotational structure by base, to drive rotational structure to run.Above-mentioned design utilizes built-in coupling
Zygonema circle is set, and be instead of external wire and is set, and on the one hand avoids the mutually overlapping caused safety of various complicated wires hidden
Suffer from, on the other hand simplify mounting process.
Further, refering to Fig. 4, it is the bearing of rotational structure and the structure chart of rotor gland in Fig. 1, can from figure
To find out, in the present embodiment, a through hole 51 is provided centrally with first coupling coil 5, the signal transmission unit is set
In the through hole, also further save the space of external signal transmission unit, at the same avoid various transmission units or
Interfering between cable.
Furthermore it is preferred that referring to Fig. 1, the heat emission hole 12 of at least one hollow out is provided with the end face of the rotor 1, can
Caused heat in its internal rotational structure running is given out in time, increases the service life of rotational structure.
Preferably, refering to Fig. 1, mounting hole 13 is additionally provided with the end face of the rotor 1, for installing laser radar group
Part, so as to when rotor 1 operates, laser radar component be driven coaxially to move at the same speed, and laser radar assembly operating can be improved
Stability.
Preferably, refering to Fig. 5, Fig. 5 is the structure chart of the rotor of rotational structure in the present embodiment, it can be seen that
The installation portion 11 of the stator 1 is hollow tubular structure, has a diameter larger than the diameter equal to first coupling coil 5, small
In the diameter equal to the bearing 3.In addition, it can also be seen that being provided with outer spiral shell on the installation portion 11 of the stator 1 from Fig. 4
Line, accordingly, it is provided with internal thread on the rotor gland 6, during installation, the rotor 1 screws in the rotor gland 6, with it
It is fixedly connected.So as to be further ensured that the tightness that rotor is connected with stator.
Refering to Fig. 1, radiating part is provided with the end face of the rotor 1, the radiating part is that the rotor end-face is carried out
The sector structure (not shown) that reduction processing is formed.In view of above-mentioned setting, the contact surface of rotor 1 and top rotary components can be reduced
Product, so as to form heat dissipation channel, improve the radiating efficiency of internal rotating structure.
In summary, the utility model using bottom major diameter hollow shafting design, by the stator of rotary system with
Rotor portion has made shafting, and enough spaces are left in centre, for disposing signal transmission structure and energy transmission structure, at that
In the case of this complementation interference, when can be rotated at a high speed when radar works, it can be ensured that the stationarity of rotary shaft, while there is height
Shock resistance.
It should be noted that embodiment of the present utility model has preferable implementation, and not the utility model is appointed
The limitation of what form, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above
Same effective embodiment, as long as without departing from the content of technical solutions of the utility model, according to the technical essence of the utility model pair
Any modification or equivalent variations and modification that above example is made, in the range of still falling within technical solutions of the utility model.
Claims (10)
- A kind of 1. rotational structure of laser radar, it is characterised in that includingStator, the stator include stator base and stator body, and the stator body is annular shape, is arranged at the stator sheet The center of body,Motor coil, the motor coil are sheathed on the outside of the stator body,Rotor gland, the rotor gland are annular shape, and the rotor gland is fixedly installed on the inside of the stator body,Rotor, the cylindrical shape of rotor, the rotor end-face are provided centrally with rotor installation portion,The rotor installation portion is fixedly connected with the rotor gland, the rotor is fixedly connected with the stator, andBearing, the bearing are installed between the rotor and the rotor installation portion, support the rotation of rotor, and the stator leads to After entering electric energy, the rotor is driven to rotate, so as to drive the laser radar component for being installed on the rotor top to rotate.
- 2. rotational structure as claimed in claim 1, it is characterised in thatThe rotational structure includes clutch shaft bearing and second bearing,Central shaft is provided with annular projection on the inside of the stator body,The clutch shaft bearing is arranged at the top of the annular projection,The second bearing is arranged at the bottom of the annular projection, the top of the rotor gland.
- 3. rotational structure as claimed in claim 1, it is characterised in thatAlso include being arranged at the electric energy transmission unit on the inside of the stator body portion, for providing electric energy, and letter to rotational structure Number transmission unit, for realizing the conversion of signal.
- 4. rotational structure as claimed in claim 3, it is characterised in thatThe electric energy transmission unit includes the first coupling coil and the second coupling coil, wherein, first coupling coil is in circle Cylindricality, is arranged on the inside of the stator body, and second coupling coil is then arranged at the stator base.
- 5. rotational structure as claimed in claim 4, it is characterised in thatFirst coupling coil is provided centrally with a through hole, and the signal transmission unit is arranged in the through hole.
- 6. rotational structure as claimed in claim 1, it is characterised in thatThe heat emission hole of at least one hollow out is provided with the end face of the rotor.
- 7. rotational structure as claimed in claim 1, it is characterised in thatMounting hole is additionally provided with the end face of the rotor, for installing laser radar component.
- 8. rotational structure as claimed in claim 4, it is characterised in thatThe rotor installation portion is hollow tubular structure, has a diameter larger than the diameter equal to first coupling coil, is less than Equal to the diameter of the bearing, after installation, first coupling coil is located on the inside of the rotor installation portion.
- 9. rotational structure as claimed in claim 1, it is characterised in thatExternal screw thread is provided with the rotor installation portion, accordingly, is provided with internal thread on the inside of the rotor gland, during installation, The rotor installation portion screws in the rotor gland, is secured to connect.
- 10. rotational structure as claimed in claim 1, it is characterised in thatRadiating part is provided with the rotor end-face, the radiating part is the fan that reduction processing formation is carried out to the rotor end-face Shape structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720492365.XU CN206992808U (en) | 2017-05-05 | 2017-05-05 | A kind of rotational structure of laser radar |
| PCT/CN2017/088546 WO2018201567A1 (en) | 2017-05-05 | 2017-06-16 | Rotating structure for laser radar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720492365.XU CN206992808U (en) | 2017-05-05 | 2017-05-05 | A kind of rotational structure of laser radar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206992808U true CN206992808U (en) | 2018-02-09 |
Family
ID=61390999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720492365.XU Active CN206992808U (en) | 2017-05-05 | 2017-05-05 | A kind of rotational structure of laser radar |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN206992808U (en) |
| WO (1) | WO2018201567A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709528A (en) * | 2019-01-11 | 2019-05-03 | 宁波傲视智绘光电科技有限公司 | Motor, electric machine assembly and Laser emission component |
| CN109828286A (en) * | 2019-03-08 | 2019-05-31 | 上海禾赛光电科技有限公司 | Laser radar |
| WO2021196230A1 (en) * | 2020-04-03 | 2021-10-07 | 深圳市速腾聚创科技有限公司 | Laser radar |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11353556B2 (en) | 2017-12-07 | 2022-06-07 | Ouster, Inc. | Light ranging device with a multi-element bulk lens system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001275331A (en) * | 2000-03-27 | 2001-10-05 | Mitsubishi Materials Corp | Oscillating actuator |
| KR20140091342A (en) * | 2013-01-11 | 2014-07-21 | 삼성테크윈 주식회사 | Panoramic scan ladar and panoramic laser scanning method |
| CN104967248B (en) * | 2015-07-08 | 2017-07-04 | 广东威灵电机制造有限公司 | External rotor electric machine |
| CN205027903U (en) * | 2015-10-13 | 2016-02-10 | 大族激光科技产业集团股份有限公司 | Laser ranging module |
| CN205594163U (en) * | 2016-05-04 | 2016-09-21 | 上海思岚科技有限公司 | Laser scanning range unit |
| CN205643710U (en) * | 2016-05-19 | 2016-10-12 | 上海思岚科技有限公司 | Laser scanning distance measurement device |
| CN205681192U (en) * | 2016-06-24 | 2016-11-09 | 四川经曼光电科技有限公司 | 360 ° of rotation sweep motors |
-
2017
- 2017-05-05 CN CN201720492365.XU patent/CN206992808U/en active Active
- 2017-06-16 WO PCT/CN2017/088546 patent/WO2018201567A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709528A (en) * | 2019-01-11 | 2019-05-03 | 宁波傲视智绘光电科技有限公司 | Motor, electric machine assembly and Laser emission component |
| CN109828286A (en) * | 2019-03-08 | 2019-05-31 | 上海禾赛光电科技有限公司 | Laser radar |
| WO2021196230A1 (en) * | 2020-04-03 | 2021-10-07 | 深圳市速腾聚创科技有限公司 | Laser radar |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018201567A1 (en) | 2018-11-08 |
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