CN106873116A - Pick-up lens - Google Patents
Pick-up lens Download PDFInfo
- Publication number
- CN106873116A CN106873116A CN201710222216.6A CN201710222216A CN106873116A CN 106873116 A CN106873116 A CN 106873116A CN 201710222216 A CN201710222216 A CN 201710222216A CN 106873116 A CN106873116 A CN 106873116A
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- China
- Prior art keywords
- lens
- hollow column
- pick
- section
- reduced diameter
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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
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
- Lens Barrels (AREA)
Abstract
The present invention relates to pick-up lens, including：Lens barrel (1), lens group (2), distance piece (3), the lens barrel (1) is stairstepping hollow column, it is connected with each other by connecting portion (6) between the reduced diameter section (5) and the follow-up linkage section of stairstepping hollow column of the stairstepping hollow column end, the lens group (2) is arranged in the hollow columnar body of the lens barrel (1), the lens group (2) includes at least one distance piece (3), and the distance piece (3) is between two adjacent lens in lens group (2).Pick-up lens of the present invention just sets up distance piece when adjacent mirror semidiameter is larger between two adjacent mirrors.Thereby it is ensured that assembling when stability and prevent assembling after deformation.
Description
Technical field
The present invention relates to a kind of pick-up lens, the more particularly, to pick-up lens of mobile terminal.
Background technology
The mobile terminal skips such as mobile phone, panel computer are popularized, and are largely widely used, the requirement to this mobile terminal
Also increasingly improve.Most prominent is while the good appearance for requiring mobile terminal is practical, also to require that screen accounting is as big as possible.
This requires to set as small as possible with the exposed parts of the pick-up lens on these mobile terminals, does not cause shadow to screen as far as possible
Ring.In addition, also require that the firm and reliable connection of pick-up lens and mobile terminal, and pick-up lens in itself with enough
Intensity, can undergo foreign impacts or other load without damaging.
Constantly pursue light, thin in volume due to mobile terminals such as mobile phone, panel computers, it requires its internal component
Also to minimize, lightweight, thickness is low, intensity is high.
The content of the invention
It is an object of the invention to provide a kind of exposed parts in the mounted state are small, intensity pick-up lens high itself.
For achieving the above object, pick-up lens is provided according to the present invention, including：Lens barrel, lens group, distance piece, institute
Lens barrel is stated for stairstepping hollow column, reduced diameter section and the stairstepping hollow column of the stairstepping hollow column end
Follow-up linkage section between be connected with each other by connecting portion, the lens group is arranged in the hollow columnar body of the lens barrel, institute
State lens group and include at least one distance piece, the distance piece is between two adjacent lens in lens group.
According to an aspect of the present invention, the semidiameter L1 of distance piece both sides lens is：0.35mm ＜ L1 ＜
1.0mm；The distance piece is made up and through blackening process of metal material.
According to an aspect of the present invention, the thickness H of the distance piece is：0.2mm ＜ H ＜ 0.75mm.
According to an aspect of the present invention, the cross section of the stairstepping hollow column is for circular, regular polygon or cuts
Circle, the outer diameter D of the reduced diameter section of the hollow stairstepping hollow column end of stairstepping is：3.5mm≤D≤4.5mm；Institute
State the length L >=1.0mm of the reduced diameter section of stairstepping hollow column end.
According to an aspect of the present invention, the outer diameter D of the reduced diameter section of the stairstepping hollow column end is：
3.8mm ＜ D ＜ 4.2mm；The length L of the reduced diameter section of the stairstepping hollow column end is：1.3mm≤L≤1.5mm.
According to an aspect of the present invention, the outer surface of the reduced diameter section of the stairstepping hollow column end is circular cone
Face, the smaller diameter end of the circular conical surface is located at the end of the reduced diameter section of the stairstepping hollow column end, and described
Follow-up linkage section of the larger diameter end of circular conical surface near the hollow column.
According to an aspect of the present invention, the connecting portion is the end face of the reduced diameter section from the hollow column end
To the arc surface of the follow-up linkage section end face of the hollow column, or it is from outside the reduced diameter section of the hollow column end
Periphery is risen to the arc section of the follow-up linkage section end face of the hollow column.
According to an aspect of the present invention, the connecting portion is from the cylindrical of the reduced diameter section of the hollow column end
Post surface to the follow-up linkage section end face of the hollow column circular conical surface.
According to an aspect of the present invention, the connecting portion is from the cylindrical of the reduced diameter section of the hollow column end
Poppet surface to the follow-up linkage section end face of the hollow column circular conical surface or arc surface, or be from the hollow columnar body end
The cylindrical poppet surface of reduced diameter section in portion is risen to the circular conical surface of the follow-up linkage section end face of the hollow column.
According to an aspect of the present invention, the connecting portion is the reduced diameter section outside cylinder table of the hollow column end
The follow-up linkage section end face cross-shaped portion of face and the hollow column.
According to an aspect of the present invention, the connecting portion is from the cylindrical of the reduced diameter section of the hollow column end
The follow-up linkage section face intersection of poppet surface and the hollow column.
According to an aspect of the present invention, the lens group includes at least 4 lens, and the distance piece is located at lens
Between third and fourth lens of group.
According to an aspect of the present invention, the lens group includes at least 5 lens, and the distance piece is located at lens
Between 4th and the 5th lens of group.
According to an aspect of the present invention, also including at least one set of shading element, the shading element is mylar film or modeling
Expect the shading element of material.
According to the present invention, when being relatively large in diameter of two neighboring lens in pick-up lens, for example, in two adjacent lens or
When the radius size poor (L1) of eyeglass is more than certain numerical value, such as during 0.35mm ＜ L1 ＜ 1.0mm, just need to set distance piece,
Stability during to strengthen lens or eyeglass assembling.Distance piece can also well prevent the later deformation of assembling.
Distance piece of the invention is made of metal material, for example, be made of copper.On the one hand, the intensity of metal material
Higher than plastics (lens barrel is formed for plastic injection), the setting of distance piece is favorably improved the stability of this province of lens barrel and contributes to
Intensity aspect gives reinforcement.Thus, in mounted lens, improve the stability of installation.Simultaneously as there is provided distance piece,
Reinforcement lens barrel intensity, thus effectively prevent the deformation after installing.On the other hand, metal material has good processability
Can, it is thus advantageous to manufacture high-precision distance piece.
It is as not right as possible in order to ensure image quality when pick-up lens lens barrel outer end size is reduced according to the present invention
Subsequent lens or eyeglass are changed.Therefore, cause lens barrel point diameter size small, be conducive to increasing screen accounting, and rear end diameter
Size is big, is conducive to image quality.
According to the present invention, connecting portion is set with follow-up ladder portion connection in lens head diameter diminution part point, it is ensured that
Still there is enough intensity in the case where lens barrel reduces, the position of each lens is using in the lens group that support is provided with
Do not change or displacement.Meanwhile, connecting portion also ensure that lens barrel intensity in itself, it is to avoid be likely to occur in use
Due to the fracture damage that outside impact, internal stress etc. are caused.
Brief description of the drawings
Fig. 1 is the structural representation for schematically showing pick-up lens of the invention；
Fig. 2 is the schematic diagram for schematically showing pick-up lens intermediate spacers of the invention；
Fig. 3 is the structural representation for representing the connecting portion according to one embodiment of the present invention；
Fig. 4 is the structural representation for representing the connecting portion according to one embodiment of the present invention；
Fig. 5 is the structural representation for representing the connecting portion according to one embodiment of the present invention；
Fig. 6 is the structural representation for representing the connecting portion according to one embodiment of the present invention；
Fig. 7 is the structural representation for representing the connecting portion according to one embodiment of the present invention；
Fig. 8 is the structural representation for representing the connecting portion according to one embodiment of the present invention；
Fig. 9 is the structural representation for representing the connecting portion according to one embodiment of the present invention；
Figure 10 is the structural representation for representing the connecting portion according to one embodiment of the present invention.
Specific embodiment
Fig. 1 schematically illustrates the structure and appearance profile shape embodiment of a kind of pick-up lens of the invention.
As shown in figure 1, the lens barrel 1 of pick-up lens of the invention is the hollow column that a profile is stepped.
The cross section of the hollow column can be circle, regular polygon, hexagon, unilateral cut away the circular of a part or symmetrically cut
The circle removed.Left side is the reduced diameter section 5 of hollow column in figure, and right side is enlarged diameter section 7.In reduced diameter section 5 and major diameter
It is diameter increased changeover portion step by step between section 7.Lens numbers are different according to contained by lens group, and changeover portion can have multistage.
As shown in figure 1, being provided with lens group 2 in the inside of hollow column.In a kind of implementation method of the invention,
Lens group 2 includes at least 4 lens, it is also possible to comprising 5 lens or the lens of more than 5.Each lens in lens group 2
External diameter matches with the internal diameter of lens barrel 1, in the present embodiment, successively decreases successively to the right from Fig. 1 left sides.
When the semidiameter of two adjacent lens is excessive, difficulty can be caused to the installation of pick-up lens, that is, cause stability
It is deteriorated.Meanwhile, after assembly, easy bad student's deformation causes the relative position between lens to change, and optical axis decentraction etc. lacks
Fall into.To overcome these defects, according to the present invention, distance piece 3 is additionally provided between the larger lens of semidiameter.According to the present invention
A kind of implementation method in, as shown in figure 1, distance piece 3 is arranged between the 3rd and the 4th lens.Obviously, distance piece 3 can also set
Put between other lenses, for example, be arranged between the 4th and the 5th lens.
According to the present invention, the principle that selection sets the position of distance piece 3 is when two adjacent lens are when being relatively large in diameter, two
Distance piece 3 is set up between individual lens with increase whole lens group assembling when stability, prevent assembling after deformation.Experiment table
It is bright, be to a certain degree when the semidiameter of two adjacent lens reaches, the bad stability of pick-up lens in assembling, and in group
Easily it is deformed after being filled with.
As shown in Fig. 2 distance piece 3 is arranged between two adjacent lens.A kind of implementation method of the invention, in order to
Screen accounting is improved as far as possible, it is necessary to reduce the diameter of pick-up lens front end.And in order to ensure image quality, camera lens are kept again
Head rear end diameter can not be too small.Therefore stairstepping lens barrel is used.Experiment shows, when the difference L1 of two radiuses of adjacent lens exists
During 0.35mm≤L1≤1mm, lens can be unstable in installation process, thereby results in assembling unqualified.In addition, due to mirror
Cylinder step-wise radius difference is big, can be deformed after installation, ultimately results in finished product off quality.The present invention for solve it is above-mentioned
Two neighboring lens radius difference is larger, such as when two difference L1 of the radius of adjacent lens are in 0.35mm≤L1≤1mm, just exist
Increase distance piece 3 between the two lens, may occur so as to the stability improved when lens are assembled and after preventing from assembling
Deformation.A kind of implementation method of the invention, the thickness H of distance piece 3 is 0.2mm ＜ H ＜ 0.75mm.The interval of this thickness
Piece can effectively realize install when stability and prevent install after possibility deform, while again will not be in pick-up lens length side
Increase too many size upwards.Distance piece 3 is made up of metal material, for example, be made of copper, it is also possible to select other materials.This
Outward, distance piece 3 is processed by surface blackening, to reduce its surface reflectivity, improves the glare effect of pick-up lens.
A kind of implementation method of the invention, is provided with shading element group between each lens.These shading elements can be with
It is the shading element of mylar film or plastic material.
As shown in figure 1, in a kind of implementation method of the invention, the reduced diameter section 5 in the left side of lens barrel 1 of pick-up lens
Outer diameter D meet following condition：3.5mm≤D≤4.5mm；Outer diameter D is preferably 3.8mm ＜ D ＜ 4.2mm.
As shown in figure 1, in a kind of implementation method of the invention, the reduced diameter section 5 in the left side of lens barrel 1 of pick-up lens
Length L meet following condition：L≥1.0mm；Length L is preferably 1.3mm≤L≤1.5mm.As shown in figure 1, according to this hair
In a kind of bright implementation method, the lens barrel 1 of hollow column shape reduced diameter section 5 and it is adjacent thereto followed by another
Connecting portion 6 is provided between step.Connecting portion 6 is mainly used in pick-up lens front end reduced diameter section 5 and coupled subsequent segment
Interconnect.Under condition of different temperatures, such as in the case that temperature has jumping characteristic to change, connecting portion 6 ensures two
The enough connections of intensity are formed between individual ladder section, it is ensured that the position relationship between lens in different ladders section,
Ensure that the axiality between its each lens is constant.Meanwhile, connecting portion 6 can also be effectively prevented from the junction between two ladders
Stress concentration, it is to avoid occur damaging or damaged when pick-up lens is subjected to external force in use.
Fig. 3 is a kind of schematic diagram of implementation method of the partial enlargement of connecting portion 6 in pick-up lens shown in Fig. 1.At this
In implementation method, between the left end face and another step section followed by of the left side reduced diameter section 5 of lens barrel 1 of pick-up lens
It is connected with each other by a continuous arc surface.In this embodiment, from the left end face of reduced diameter section 5 to next rank
It is hollow cone platform of the outer surface in the arc-shaped towards the sunken inside of lens barrel 1 between the end face of the leftmost side of bench.It is this
Connecting portion 5 can effectively eliminate the junction stress concentration that may be present of reduced diameter section 5 and subsequent segment, it is to avoid lens barrel 1 exists
Use the possible problems of crack of process.The connecting portion 5 of arc-shaped is conducive to manufacture to process, and can be inside and outside lens barrel 1
Retain thickness as big as possible between surface so that intensity of the lens barrel 1 herein is improved.The connecting portion 5 of this arc-shaped
Arc diameter size, it is corresponding with other parts adjacent thereto when installing and using.
Fig. 4 represents another embodiment of the invention.In the present embodiment, the left side reduced diameter section 5 of lens barrel 1 with
The outer surface of the connecting portion 6 between follow-up ladder section is also arc-shaped.But this connecting portion 6 is with the difference shown in Fig. 3：
In the present embodiment, reduced diameter section 5 remains the outer surface of partial cylindrical shapes, and the outer surface of this partial cylindrical shapes is near small
The left side of diameter segment 5.The root on the right side of Fig. 4 medium-small diameters section 5 or right-hand end by the connecting portion 6 of arc-shaped with below
One ladder section is connected with each other.The shape of this connecting portion 6 is also suitable for processing and manufacturing, and because its left side has cylinder
Surface, so be more suitable for and mobile terminal, for example, the mounting groove of mobile phone or iPAD cooperates.
Fig. 5 represents a kind of deformation on the basis of the implementation method shown in Fig. 4.Implementation method according to Fig. 4, with circle
The connecting portion 5 of taper replaces the connecting portion 5 of the arc-shaped outer surface in Fig. 4 illustrated embodiments.As shown in figure 5, the left side of lens barrel 1
Reduced diameter section 5 still remains with cylindrical outer surface portion, the end or root on the right side of it by a cone with it is follow-up
Step section be connected with each other.This structure can retain material as much as possible at two connecting portions of connected section, according to
This obtains bonding strength higher and bearing capacity, deformation when being more conducive to prevent stress and may deform and ftracture.Circular cone
The shape of body is conducive to processing and manufacturing.
Fig. 6 and 7 illustrates the implementation method of another design of the invention.In these embodiments, lens barrel 1 is left
The profile of side part is cone.As shown in Figures 6 and 7, the outer surface diameter of the leftmost side of the left side reduced diameter section 5 of lens barrel 1 is minimum,
And extend with to right side in figure, its diameter increases continuously change greatly, until the end of next ladder section for continuing.From figure
As can be seen that being provided with connecting portion 6 between the left end face of this coniform reduced diameter section 5 and next ladder section.Shown in Fig. 6
Connecting portion 6 cross section be in arc-shaped.In the present embodiment, connecting portion 5 is circle of the outer surface towards the inner recess of lens barrel 1
Frustum.And in the embodiment shown in figure 7, connecting portion 5 is a frustum of a cone.The connecting portion 5 of both different profiles can
Retain bigger wall thickness between connected company ladder section, improve the bulk strength and bearing capacity of lens barrel 1.
Fig. 8 represents another deformation on the basis of Fig. 6 and 7 illustrated embodiments.In the present embodiment, lens barrel 1 is small
The end face --- -- i.e. its left side --- of the ladder section behind diameter segment 5-it is also circular conical surface.In the present embodiment, it is two
The frustum of a cone is connected to each other transition.
Fig. 9 represents the another embodiment of connecting portion of the invention 6.In the present embodiment, the left side of lens barrel 1 is small straight
The outer surface of footpath section 5 is in coniform, and the left side of its follow-up ladder section is plane.The frustum of a cone directly connects with plane below
Connect.
Figure 10 represents the another embodiment of connecting portion of the invention 6.In the present embodiment, the left side of lens barrel 1 is small
The outer surface of diameter segment 5 is cylindrical, and the left side of its follow-up ladder section is plane.Cylinder directly connects with plane below
Connect.
Claims (13)
1. pick-up lens, including：Lens barrel (1), lens group (2), distance piece (3), it is characterised in that the lens barrel (1) is ladder
Shape hollow column, the reduced diameter section (5) of the stairstepping hollow column end connects with the follow-up of stairstepping hollow column
Connect and be connected with each other by connecting portion (6) between section, the lens group (2) is arranged in the hollow columnar body of the lens barrel (1), institute
State lens group (2) and include at least one distance piece (3), the distance piece (3) in lens group (2) two adjacent lens it
Between.
2. pick-up lens according to claim 1, it is characterised in that the semidiameter L1 of distance piece (3) both sides lens
For：0.35mm ＜ L1 ＜ 1.0mm；The distance piece (3) is made up and through blackening process of metal material.
3. pick-up lens according to claim 1, it is characterised in that the thickness H of the distance piece (3) is：0.2mm ＜ H
＜ 0.75mm.
4. according to the pick-up lens that one of claim 1-3 is described, it is characterised in that the stairstepping hollow column it is transversal
Face is for circular, regular polygon or cuts circle, outside the reduced diameter section (5) of the hollow stairstepping hollow column end of stairstepping
Footpath D is：3.5mm≤D≤4.5mm；Length L >=the 1.0mm of the reduced diameter section (5) of the stairstepping hollow column end.
5. pick-up lens according to claim 4, it is characterised in that the minor diameter of the stairstepping hollow column end
The outer surface of section (5) is circular conical surface, and the smaller diameter end of the circular conical surface is located at the small straight of the stairstepping hollow column end
The end in footpath section (5), and the larger diameter end of the circular conical surface is near the follow-up linkage section of the hollow column.
6. pick-up lens according to claim 4, it is characterised in that the connecting portion (6) is from the hollow column
The end face of the reduced diameter section (5) of end to the follow-up linkage section end face of the hollow column arc surface, or be from described
Reduced diameter section (5) outer cylinder surface of cylindrical body end is risen to the circular arc of the follow-up linkage section end face of the hollow column
Section.
7. pick-up lens according to claim 4, it is characterised in that the connecting portion (6) is from the hollow column
The outer cylinder surface of the reduced diameter section (5) of end to the follow-up linkage section end face of the hollow column circular conical surface.
8. pick-up lens according to claim 7, it is characterised in that the connecting portion (6) is from the hollow column
The cylindrical poppet surface of the reduced diameter section (5) of end to the follow-up linkage section end face of the hollow column circular conical surface or circular arc
Face, or be to connect to the follow-up of the hollow column from reduced diameter section (5) cylindrical poppet surface of the hollow column end
Connect the circular conical surface of section end face.
9. pick-up lens according to claim 4, it is characterised in that the connecting portion (6) is the hollow columnar body end
Reduced diameter section (5) outer cylinder surface in portion and the follow-up linkage section end face cross-shaped portion of the hollow column.
10. pick-up lens according to claim 9, it is characterised in that the connecting portion (6) is from the hollow column
The cylindrical poppet surface of the reduced diameter section (5) of end and the follow-up linkage section face intersection of the hollow column.
11. pick-up lens according to claim 2 or 10, it is characterised in that the lens group (2) is saturating including at least 4
Mirror, the distance piece (3) is between the third and fourth lens of lens group (2).
12. pick-up lens according to claim 2 or 11, it is characterised in that the lens group (2) is saturating including at least 5
Mirror, the distance piece (3) is between the 4th and the 5th lens of lens group (2).
13. pick-up lens according to claim 1, it is characterised in that also including at least one set of shading element, the shading
Element is the shading element of mylar film or plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222216.6A CN106873116B (en) | 2017-04-06 | 2017-04-06 | Image pickup lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710222216.6A CN106873116B (en) | 2017-04-06 | 2017-04-06 | Image pickup lens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106873116A true CN106873116A (en) | 2017-06-20 |
| CN106873116B CN106873116B (en) | 2023-07-14 |
Family
ID=59160149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710222216.6A Active CN106873116B (en) | 2017-04-06 | 2017-04-06 | Image pickup lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106873116B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948483A (en) * | 2017-12-19 | 2018-04-20 | 广东欧珀移动通信有限公司 | Lens assembly, camera and the electronic equipment of camera |
| CN108174065A (en) * | 2017-12-19 | 2018-06-15 | 广东欧珀移动通信有限公司 | The lens assembly of camera and with its camera, electronic equipment |
| CN108174063A (en) * | 2017-12-19 | 2018-06-15 | 广东欧珀移动通信有限公司 | Camera and with its electronic equipment |
| WO2020258306A1 (en) * | 2019-06-28 | 2020-12-30 | 瑞声光学解决方案私人有限公司 | Positioning tool |
| CN114265170A (en) * | 2020-09-25 | 2022-04-01 | 大立光电股份有限公司 | Imaging lens, image capturing device and electronic device |
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| JPH11258479A (en) * | 1998-03-09 | 1999-09-24 | Asahi Optical Co Ltd | Lens barrel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107948483A (en) * | 2017-12-19 | 2018-04-20 | 广东欧珀移动通信有限公司 | Lens assembly, camera and the electronic equipment of camera |
| CN108174065A (en) * | 2017-12-19 | 2018-06-15 | 广东欧珀移动通信有限公司 | The lens assembly of camera and with its camera, electronic equipment |
| CN108174063A (en) * | 2017-12-19 | 2018-06-15 | 广东欧珀移动通信有限公司 | Camera and with its electronic equipment |
| CN107948483B (en) * | 2017-12-19 | 2020-04-24 | Oppo广东移动通信有限公司 | Lens assembly of camera, camera and electronic equipment |
| CN108174065B (en) * | 2017-12-19 | 2020-05-12 | Oppo广东移动通信有限公司 | Lens assembly of camera, camera with lens assembly and electronic equipment with lens assembly |
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| CN114265170A (en) * | 2020-09-25 | 2022-04-01 | 大立光电股份有限公司 | Imaging lens, image capturing device and electronic device |
| CN114265170B (en) * | 2020-09-25 | 2023-08-01 | 大立光电股份有限公司 | Imaging lens, image capturing device and electronic device |
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| CN106873116B (en) | 2023-07-14 |
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