CN106646804A - Clamping device and optical instrument - Google Patents
Clamping device and optical instrument Download PDFInfo
- Publication number
- CN106646804A CN106646804A CN201611191063.5A CN201611191063A CN106646804A CN 106646804 A CN106646804 A CN 106646804A CN 201611191063 A CN201611191063 A CN 201611191063A CN 106646804 A CN106646804 A CN 106646804A
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- China
- Prior art keywords
- pedestal
- hole
- clamping device
- optical element
- groove
- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
- Clamps And Clips (AREA)
Abstract
The invention provides a clamping device and an optical instrument, and relates to the field of optical instruments. The clamping device is used for clamping an optical element, and comprises a substrate and a press piece. The press piece is detachably disposed on the substrate, and is used for clamping the optical element on the substrate along the thickness direction of the optical element. The invention also provides the optical instrument, and the optical instrument comprises a rotating table and the clamping device, wherein the clamping device is detachably disposed on the rotating table. According to the invention, the clamping device and the optical instrument can improve the internal and surface distortion of the optical element when clamping the optical element, and bring convenience to a researcher for making an experiment.
Description
Technical field
The present invention relates to optical instrument field, in particular to a kind of clamping device and optical instrument.
Background technology
At present researcher is more and more deep to optical research, the optical instrument of employing be also it is more and more, it is traditional
Optical instrument is all much the fixed form using side and pressure to optical element when in use, and now optical element can not be kept away
Mechanical stress can be introduced with exempting from, the deformation that stress is produced produces distortion, breaks to a certain extent to the inside and surface of optical element
The optical characteristics of optical element is changed so that serious by the quality deterioration of the light beam of optical element, has tested to researcher
Sizable difficulty is increased, experimental data also can be coarse.
The content of the invention
It is an object of the invention to provide a kind of clamping device, optics element internal when it can improve holding optical components
The distortion produced with surface.
Another object of the present invention is to a kind of optical instrument is provided, optical element when it can improve holding optical components
The distortion that internal and surface produces.
The present invention provides a kind of technical scheme：
A kind of clamping device, for holding optical components, including pedestal and compressing tablet, the compressing tablet is removably mounted on institute
State on pedestal, the compressing tablet is used to that the optical element to be clamped in into the pedestal along the thickness direction of the optical element.
Further, first through hole is offered along its thickness direction on the pedestal, along its thickness direction on the compressing tablet
The second through hole is offered, the first through hole is used for corresponding with second through hole.
Further, mounting groove is offered on the pedestal, so that the optical element is placed in institute along its thickness direction
State in mounting groove, the mounting groove is opened in the side of the pedestal, the first through hole is opened in the mounting groove.
Further, the mounting groove is to offer dismounting groove, the dismounting on square groove, and the angle of the square groove
Groove overlaps for circle, and the center of circle of the dismounting groove with the angle of the square groove.
Further, the first through hole is truncated cone-shaped, and the upper bottom surface of the first through hole is located inside the mounting groove.
Further, the pedestal also includes cooling body, and the cooling body is arranged on the base interior, for cold
The optical element.
Further, the cooling body includes water circulation channel, and the water circulation channel is opened in the base interior,
The side of the pedestal offers water inlet and delivery port, the water inlet and the delivery port respectively with the water circulation channel
Connection.
Further, the water circulation channel is square, and the water circulation channel is around the first through hole.
Further, mounting seat is additionally provided with the pedestal, the mounting seat is arranged at the side of the pedestal, described
The first installing hole is offered in mounting seat.
A kind of optical instrument, including turntable and clamping device.The clamping device is used for holding optical components.The folder
Device is held including pedestal and compressing tablet, the compressing tablet is removably mounted on the pedestal, the compressing tablet is used for along the optics
The thickness direction of element is clamped in the optical element on the pedestal.The pedestal is removably mounted on the turntable
On.
Compared to existing technology, the clamping device of present invention offer and the beneficial effect of optical instrument are：
By thickness direction of the compressing tablet along optical element optical element is clamped on pedestal, it is to avoid from optical element side
The mechanical stress that face clamping band is come, improves the distortion on optical element inside and surface so that the number that researcher's experiment is obtained
According to more precisely, being that researcher does experiment and brings conveniently.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, thus be not construed as it is right
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the structural blast schematic diagram of clamping device provided in an embodiment of the present invention；
Fig. 2 is the structural representation at the visual angle of pedestal provided in an embodiment of the present invention first；
Fig. 3 is the structural representation at the visual angle of pedestal provided in an embodiment of the present invention second；
Fig. 4 is the sectional view of pedestal provided in an embodiment of the present invention；
Fig. 5 is the structural representation at the visual angle of compressing tablet provided in an embodiment of the present invention 3rd；
Fig. 6 is the structural representation at the visual angle of compressing tablet provided in an embodiment of the present invention 4th.
Icon：10- clamping devices；100- pedestals；110- base bodies；The installing holes of 111- second；113- first sides；
115- second sides；120- first through hole；130- mounting grooves；131- dismounting grooves；140- cooling bodies；141- water circulation channels；
142- water inlets；143- delivery ports；150- mounting seats；The installing holes of 151- first；200- compressing tablets；210- compressing tablet bodies；211- pacifies
Dress through hole；The sides of 213- the 3rd；The sides of 215- the 4th；The through holes of 220- second.
Specific embodiment
To make purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than the embodiment of whole.Present invention enforcement generally described and illustrated in accompanying drawing herein
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.
In describing the invention, it is to be understood that term " " center ", " on ", D score, "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outward " be based on orientation shown in the drawings or position relationship, or should
Orientation or position relationship that invention product is usually put when using, or the orientation or position of those skilled in the art's usually understanding
Relation is put, the description present invention is for only for ease of and is simplified description, rather than indicated or imply that the equipment or element of indication are necessary
With specific orientation, with specific azimuth configuration and operation, therefore it is not considered as limiting the invention.
Additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing description, and it is not intended that indicating or implying
Relative importance.
In describing the invention, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " setting ",
" installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or one
The connection of body ground；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to indirect by intermediary
It is connected, can is the connection of two element internals.For the ordinary skill in the art, can be with concrete condition understanding
State term concrete meaning in the present invention.
First embodiment
Fig. 1 is referred to, Fig. 1 provides the structural blast schematic diagram of clamping device 10 for the embodiment of the present invention.Clamping device 10
For holding optical components (not shown), wherein, clamping device 10 includes pedestal 100 and compressing tablet 200.Compressing tablet 200 is used for along light
The thickness direction for learning element is clamped in optical element on pedestal 100.Avoid due to the side gripper optics from optical element
The distortion of optical element inside and surface that element brings, improves the optical characteristics of optical element so that the reality of researcher
Test the data for obtaining more accurate.
Fig. 2 is referred to, Fig. 2 is the structural representation at the visual angle of pedestal provided in an embodiment of the present invention 100 first.Wherein, base
Seat 100 includes base body 110, first through hole 120 and mounting seat 150.
In the present embodiment, base body 110 has certain thickness square plate for one, it is possible to understand that, in other realities
In applying example, base body 110 can not also be square plate, or circular slab.In addition, base body 110 includes the first side
Face 113, offers the second installing hole 111 in first side 113, for connecting compressing tablet 200, the second installing hole 111 presses close to first
Four sides of side 113, in the present embodiment, each side edge of first side 113 offers two the second installing holes
111, and the side of first side 113 is divided into three sections by two the second installing holes 111.It should be understood that in other enforcements
In example, the set-up mode of the second installing hole 111 can be with difference, the second installing hole 111 at each side of first side 113
Quantity can be with unequal, it is also possible to is not two, it is also possible to not by the side decile of first side 113.
Mounting groove 130 is further opened with base body 110, mounting groove 130 is opened in first side 113, mounting groove 130
For optical element to be placed in into mounting groove 130 along the thickness direction of optical element, it is to avoid optical element is subjected to displacement, affect real
Test.Mounting groove 130 is opened in first side 113 along the thickness direction of base body 110, also, opens up the in mounting groove 130
One through hole 120.In the present embodiment, mounting groove 130 is square careless groove, also, four sides of mounting groove 130 are respectively with first
Four sides of side 113 are parallel.It should be understood that in other embodiments, four sides of mounting groove 130 can not also be with
Four sides of first side 113 are parallel, it is possibility to have certain angle.
In addition, in the present embodiment, dismounting groove 131 is offered on four angles of mounting groove 130, dismounting groove 131 is circle,
And the center of circle of dismounting groove 131 overlaps with four angles of mounting groove 130.The design of dismounting groove 131 is optical element for convenience
Dismounting and installation, and it is possible to avoid optical element four angles support mounting groove 130 side cornice come machinery should
Power, improves optical characteristics when optical element is used.It should be appreciated that in other embodiments, the quantity of dismounting groove 131 can also
For four, or two or three etc.；Also, dismounting groove 131 can not also be circle, or it is square.
First through hole 120 is opened in pedestal 100, and specifically, first through hole 120 is passed through along the thickness direction of base body 110
Wear base body 110 to be opened on base body 110.In the present embodiment, first through hole 120 is opened in base body 110
Center.It should be understood that in other embodiments, first through hole 120 can not also be opened in the center of base body 110,
The center of base body 110 can be deviateed.
Please refer to Fig. 2 and structural representation that Fig. 3, Fig. 3 are the visual angle of pedestal provided in an embodiment of the present invention 100 second
Figure.Base body 110 has the second side 115 relative with first side 113, and first through hole 120 is run through by first side 113
Base body 110 is to second side 115.
In addition, in the present embodiment, first through hole 120 is shaped as truncated cone-shaped, increases base body 110 with air
Contact area, can strengthen the radiating effect of pedestal 100, also, the taking aim at more convenient for light beam of first through hole 120 of truncated cone-shaped
It is accurate.First through hole 120 is located at the area of the via profiles of first side 113 and is located at second side 115 less than first through hole 120
The area of via profiles.It should be understood that in other embodiments, first through hole 120 can not also be truncated cone-shaped, or
Prismatic table shape etc..
Please continue to refer to Fig. 2.Mounting seat 150 is arranged on the side of base body 110, in the present embodiment, mounting seat 150
It is arranged on adjacent two angle of base body 110, and in projection and first side 113 and second side 115.Can manage
Solution, in other embodiments, the set-up mode of mounting seat 150 can also be different, and for example, mounting seat 150 is arranged on base body
In a whole side on 110, the projection of mounting seat 150 and first side 113 and second side 115.
The first installing hole 151 is further opened with mounting seat 150, in the present embodiment, the first installing hole 151 is along parallel to
Mounting seat 150 is run through in the direction of one side 113.Pedestal 100 is removably mounted on optical instrument by the first installing hole 151
On.
Fig. 4 is referred to, Fig. 4 is the sectional view of pedestal provided in an embodiment of the present invention 100.It is additionally provided with pedestal 100 cold
But mechanism 140.Cooling body 140 is used to take away the heat of optical element, to optical element cooling.
Cooling body 140 includes water circulation channel 141, water inlet 142 and delivery port 143.Water circulation channel 141 is arranged on
The inside of base body 110, and around first through hole 120.Water inlet 142 and delivery port 143 are arranged on base body 110
Side, and water inlet 142 and delivery port 143 connect respectively with water circulation channel 141.In the present embodiment, water circulation is led to
Road 141 is square, and distance of each side of water circulation channel 141 apart from the center of circle of first through hole 120 is equal.Can be with
Understand, in other embodiments, water circulation channel 141 can not be square, or it is circular.In the present embodiment, enter
The mouth of a river 142 and delivery port 143 are arranged on the same side of base body 110, it will be appreciated that water inlet 142 and delivery port 143
The not ipsilateral of base body 110 can also be arranged on.
In addition, in the present embodiment, water inlet 142 is arranged on the lower section of delivery port 143, fills in order to coolant can have
The time divided and the heat-shift of base body 110, reach more preferable cooling effect.It should be appreciated that in other embodiments, water inlet
Mouth 142 can also be arranged on the top of delivery port 143.
Please refer to Fig. 5 and structural representation that Fig. 6, Fig. 5 are the visual angle of compressing tablet 200 provided in an embodiment of the present invention 3rd
Figure, Fig. 6 is the structural representation at the visual angle of compressing tablet 200 provided in an embodiment of the present invention 4th.Compressing tablet 200 is used for optical element edge
Its thickness direction is clamped in optical element on pedestal 100, and compressing tablet 200 includes the through hole 220 of compressing tablet body 210 and second.
In the present embodiment, compressing tablet body 210 is to be both provided with installing logical at octagon, and each angle of compressing tablet 200
Hole 211, installation through-hole 211 is used for corresponding with the second installing hole 111.Compressing tablet 200 has the He of the 3rd side 213 being oppositely arranged
4th side 215.Installation through-hole 211 runs through the side 215 of compressing tablet body 210 to the 4th by the 3rd side 213, also, installs logical
Hole 211 is round table-like, and the bottom surface of installation through-hole 211 is located at the 3rd side 213, and the upper bottom surface of installation through-hole 211 is located at the 4th
Side 215.Installation through-hole 211 is arranged to round table-like, is in order to when compressing tablet 200 is arranged on pedestal 100, for fastening compressing tablet
200 bolt will not protrude from the surface of compressing tablet 200, it is to avoid unexpected touching bolt.
Second through hole 220 is opened on compressing tablet 200 along the thickness direction of compressing tablet 200, in the present embodiment, the second through hole
220 centers for being opened in compressing tablet body 210, by the 3rd side 213 side 215 of compressing tablet body 210 to the 4th is run through.Also, the
Two 220 one-tenth of through holes are round table-like, and the upper bottom surface of the second through hole 220 is located at the 4th side 215, and the bottom surface of the second through hole 220 is located at
3rd side 213.It is that for convenience light beam is entered that second through hole 220 is set to round table-like, is also convenient for researcher's observation.
When in use, first with compressing tablet 200 optical element is clamped on pedestal 100 along its thickness direction, optical element edge
Its thickness direction is placed in the mounting groove 130 of first side 113, also, optical element is held on first through hole 120 and second
The corresponding position of through hole 220 so that light beam can be with transmission optical component.Coolant is input into water circulation from water inlet 142 to lead to
Road 141, when coolant flows through water circulation channel 141, the heat of pedestal 100 is taken away, and particularly connects with water circulation channel 141
Near first side 113, further cooling is held on the optical element of first side 113, and subsequent coolant is flowed by delivery port 143
Go out, complete the cooling work of optical element.
In sum, the thickness direction by compressing tablet 200 along optical element is clamped in optical element on pedestal 100, keeps away
Exempt from the mechanical stress come along optical element side clamping band, reduce the distortion on optical element inside and surface, further improve
The optical characteristics of optical element.Also, radiated to pedestal 100 by cooling body 140, taken away indirectly on optical element
Heat, to optical element cooling, improves the optical characteristics of optical element.
Second embodiment
A kind of optical instrument (not shown) is present embodiments provided, the optical instrument includes that turntable and first embodiment are carried
For clamping device 10.Clamping device 10 is removably mounted on optical instrument by mounting seat 150.
The optical instrument employs the clamping device 10 of first embodiment offer.By compressing tablet 200 along optical element thickness
Degree direction is clamped in optical element on pedestal 100, it is to avoid along the mechanical stress that optical element side clamping band is come, reduce light
The distortion on element internal and surface is learned, the optical characteristics of optical element is further improved.Also, given by cooling body 140
Pedestal 100 radiates, and the heat on optical element is taken away indirectly, and to optical element cooling, the optics for improving optical element is special
Property.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of clamping device, for holding optical components, it is characterised in that including pedestal and compressing tablet, the compressing tablet is detachable
Ground is arranged on the pedestal, and the compressing tablet is used to that the optical element to be clamped in into institute along the thickness direction of the optical element
State on pedestal.
2. clamping device according to claim 1, it is characterised in that offer first along its thickness direction on the pedestal
Through hole, the second through hole is offered on the compressing tablet along its thickness direction, and the first through hole is used for relative with second through hole
Should.
3. clamping device according to claim 2, it is characterised in that mounting groove is offered on the pedestal, so that described
Optical element is placed in the mounting groove along its thickness direction, and the mounting groove is opened in the side of the pedestal, and described
One through hole is opened in the mounting groove.
4. clamping device according to claim 3, it is characterised in that the mounting groove is square groove, and described square
Dismounting groove is offered on the angle of groove, the dismounting groove overlaps for circle, and the center of circle of the dismounting groove with the angle of the square groove.
5. clamping device according to claim 4, it is characterised in that the first through hole is truncated cone-shaped, described first leads to
The upper bottom surface in hole is located inside the mounting groove.
6. the clamping device according to any one of claim 2-5, it is characterised in that the pedestal also includes cooling body,
The cooling body is arranged on the base interior, for cooling down the optical element.
7. clamping device according to claim 6, it is characterised in that the cooling body includes water circulation channel, described
Water circulation channel is opened in the base interior, and the side of the pedestal offers water inlet and delivery port, the water inlet with
The delivery port is connected respectively with the water circulation channel.
8. clamping device according to claim 7, it is characterised in that the water circulation channel is square, and the water
Circulation canal is around the first through hole.
9. clamping device according to claim 7, it is characterised in that mounting seat, the peace are additionally provided with the pedestal
Dress seat is arranged at the side of the pedestal, and the first installing hole is offered in the mounting seat.
10. a kind of optical instrument, including turntable, it is characterised in that also include the clamping as described in any one of claim 1-9
Device, the pedestal is removably mounted on the turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191063.5A CN106646804B (en) | 2016-12-21 | 2016-12-21 | Clamping device and optical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191063.5A CN106646804B (en) | 2016-12-21 | 2016-12-21 | Clamping device and optical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106646804A true CN106646804A (en) | 2017-05-10 |
| CN106646804B CN106646804B (en) | 2023-09-19 |
Family
ID=58834454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611191063.5A Active CN106646804B (en) | 2016-12-21 | 2016-12-21 | Clamping device and optical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106646804B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000187143A (en) * | 1998-12-24 | 2000-07-04 | Ishikawajima Harima Heavy Ind Co Ltd | Cooling type lens holder |
| TW200603096A (en) * | 2004-07-02 | 2006-01-16 | Hon Hai Prec Ind Co Ltd | Holding apparatus for optical elements |
| CN201344982Y (en) * | 2008-11-27 | 2009-11-11 | 北京中视中科光电技术有限公司 | Coupling head for fiber coupling |
| TW200947004A (en) * | 2008-05-02 | 2009-11-16 | Hon Hai Prec Ind Co Ltd | Position device for assembling lens |
| CN201698076U (en) * | 2010-05-27 | 2011-01-05 | 深圳市大族激光科技股份有限公司 | Two-dimensional adjusting device |
| CN102298186A (en) * | 2011-09-19 | 2011-12-28 | 中国科学院半导体研究所 | Optical adjusting bracket |
| CN202693885U (en) * | 2012-06-28 | 2013-01-23 | 中国科学院苏州纳米技术与纳米仿生研究所 | Clamping device for rapidly replacing optical lens |
| CN202975440U (en) * | 2012-12-17 | 2013-06-05 | 广州安特激光技术有限公司 | Horizontal optical adjusting frame |
| CN103217771A (en) * | 2013-05-15 | 2013-07-24 | 哈尔滨工业大学 | Front four-point clamping device of large-caliber convex lens |
| CN204028429U (en) * | 2014-07-11 | 2014-12-17 | 中国工程物理研究院激光聚变研究中心 | A kind of adjustable mirror shelf structure |
| CN105445883A (en) * | 2015-06-05 | 2016-03-30 | 中国科学院理化技术研究所 | Optical lens bracket device |
| CN206440866U (en) * | 2016-12-21 | 2017-08-25 | 中国工程物理研究院激光聚变研究中心 | A kind of clamping device and optical instrument |
-
2016
- 2016-12-21 CN CN201611191063.5A patent/CN106646804B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000187143A (en) * | 1998-12-24 | 2000-07-04 | Ishikawajima Harima Heavy Ind Co Ltd | Cooling type lens holder |
| TW200603096A (en) * | 2004-07-02 | 2006-01-16 | Hon Hai Prec Ind Co Ltd | Holding apparatus for optical elements |
| TW200947004A (en) * | 2008-05-02 | 2009-11-16 | Hon Hai Prec Ind Co Ltd | Position device for assembling lens |
| CN201344982Y (en) * | 2008-11-27 | 2009-11-11 | 北京中视中科光电技术有限公司 | Coupling head for fiber coupling |
| CN201698076U (en) * | 2010-05-27 | 2011-01-05 | 深圳市大族激光科技股份有限公司 | Two-dimensional adjusting device |
| CN102298186A (en) * | 2011-09-19 | 2011-12-28 | 中国科学院半导体研究所 | Optical adjusting bracket |
| CN202693885U (en) * | 2012-06-28 | 2013-01-23 | 中国科学院苏州纳米技术与纳米仿生研究所 | Clamping device for rapidly replacing optical lens |
| CN202975440U (en) * | 2012-12-17 | 2013-06-05 | 广州安特激光技术有限公司 | Horizontal optical adjusting frame |
| CN103217771A (en) * | 2013-05-15 | 2013-07-24 | 哈尔滨工业大学 | Front four-point clamping device of large-caliber convex lens |
| CN204028429U (en) * | 2014-07-11 | 2014-12-17 | 中国工程物理研究院激光聚变研究中心 | A kind of adjustable mirror shelf structure |
| CN105445883A (en) * | 2015-06-05 | 2016-03-30 | 中国科学院理化技术研究所 | Optical lens bracket device |
| CN206440866U (en) * | 2016-12-21 | 2017-08-25 | 中国工程物理研究院激光聚变研究中心 | A kind of clamping device and optical instrument |
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| Publication number | Publication date |
|---|---|
| CN106646804B (en) | 2023-09-19 |
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