CN110308611A - A kind of projector automatic focusing device - Google Patents
A kind of projector automatic focusing device Download PDFInfo
- Publication number
- CN110308611A CN110308611A CN201910660928.5A CN201910660928A CN110308611A CN 110308611 A CN110308611 A CN 110308611A CN 201910660928 A CN201910660928 A CN 201910660928A CN 110308611 A CN110308611 A CN 110308611A
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- plate
- projector
- face
- bottom plate
- fixed
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- 230000005540 biological transmission Effects 0.000 claims description 25
- 238000001179 sorption measurement Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000003592 biomimetic effect Effects 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/53—Means for automatic focusing, e.g. to compensate thermal effects
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatus Associated With Microorganisms And Enzymes (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses a kind of projector automatic focusing devices, including bottom plate, end face is fixed with vertical plate on the upside of the bottom plate, turning barrel is rotatably connected on the vertical plate, the present invention utilizes line between line wheel and magnet, provide the distance between curtain and projector zero point, and since zero point mobile projector instrument up to suitable distance, and it is driven by fixing the rotation of pulls wire wheel between one end and curtain equipped with adjustment rotation, complete automatic focusing, it is connected by the method for clamping of biomimetic features and the zooming section of projector, ensure that the component of projector is not consumed, and mechanical integration loss bring error can be eliminated using this focusing mode, greatly improve focusing accuracy.
Description
Technical field
The present invention relates to projection focus technique field, specially a kind of projector automatic focusing devices.
Background technique
The use of projector need to be according to different projector distances and curtain size etc. because usually adjusting focal length, so that showing
Picture reach the clarity of requirement.Manual focus generally comprises coarse adjustment and fine tuning, operates i.e. cumbersome and is difficult to ensure most
Good projection clarity, automatic focusing can make the adjusting of projector clarity become simpler, more acurrate.But existing focusing
Equipment is all made of the connection type engaged with projector groove, and long-time service can make part generate abrasion, so that automatic focusing machine
There is the problems such as transmission is unreliable, automatic focusing reflection is slow, focussing process is long in structure, so that it is difficult to realize accurate focusing, the present invention
A kind of device that can solve the above problem illustrated.
Summary of the invention
The purpose of the present invention is to provide a kind of projector automatic focusing devices, can overcome in the prior art lack
It falls into.
A kind of projector automatic focusing device according to the present invention, including bottom plate, bottom plate upside end face are fixed with perpendicular
Straight panel is rotatably connected to turning barrel on the vertical plate, and the swivelling chute of opening to the right is equipped in the turning barrel, is set in the swivelling chute
There is the clamping device that bionical fixation is carried out to projector focusing knob, the vertical plate is equipped with the switching that can be rotated the turning barrel
Device, bottom plate upside end face slidably connect the fixation device positioned at the turning barrel right end, and the fixed device can will be thrown
Shadow instrument is fixed, and the transmission shaft positioned at the vertical plate left end is rotatably connected in the bottom plate, and the transmission shaft is equipped with
The lifting device that can be controlled the switching device, the transmission shaft are equipped with positioned at lifting device lower end
Line wheel, being intertwined and connected in the line wheel has stretching, the other end of the stretching be equipped with can magnetic-adsorption curtain edge magnet,
Torsion spring is connected between the line wheel and the bottom plate, the magnet is mobile to pull the rotation line by described
Wheel, so that the lifting device moves respective distances, automatic to realize distance change focusing, the transmission shaft, which is equipped with, to be located at
The master bevel gear of the baseplate underside, the baseplate underside end face is equipped with the soaring component of adjustment camera lens whole height, described to climb
It rises and is connected by power between component and the master bevel gear, the baseplate underside end face is fixedly connected with right positioned at the soaring component
End and the symmetrical hydraulic foot lever in front and back, to assist bottom plate described in gentle support.
It may be preferred that the clamping device include be set to four of the swivelling chute inner left wall and annular spread it is hinged
, it is hinged with chain bar on the hinged seat, cross bar is fixed in the swivelling chute inner left wall, is slidably connected on the cross bar
Have axle sleeve, be connected with compressed spring between the axle sleeve and the cross bar, the other end of the chain bar be located on the axle sleeve
Misplace 90 degree of position articulated connection, and annular array is fixed with there are four telescopic rod in the swivelling chute on the axle sleeve
Adjustment ring, the adjustment ring is interior to be equipped with drive cavity, and drive cavity left end inner wall is communicated to be equipped with and is slidably connected with the telescopic rod
Sliding slot, the telescopic rod be equipped be located at the drive cavity in pushing block, the transmission cavity wall slidably connect with it is described
The slide bar that pushing block abuts, the slide bar are equipped with the bionical pawl positioned at the adjustment ring inner ring, the bionical pawl and the adjustment
Ring inner ring is connected with extension spring between end face.
It may be preferred that the switching device includes being fixedly connected on the stacked rods of the turning barrel circle end face, the superposition
The bar other end is fixed with pressing plate, be rotatably connected on the vertical plate can elasticity restore rotating plate, the rotating plate with it is described
It is fixedly connected between pressing plate.
It may be preferred that the fixed device includes being slidably connected to four branch of end face and rectangular array on the upside of the bottom plate
Frame, the bracket are equipped with fixed station, and the holding tank of opening upwards is equipped in the fixed station, is slidably connected in the holding tank
There is symmetrical clamping plate, is connected with resistance spring between the clamping plate and the fixed station.
It may be preferred that the lifting device includes the limitting casing being rotationally connected on the transmission shaft, on the limitting casing
Cunning chamber equipped with opening upwards, the sliding chamber right end are communicated equipped with slideway, are threaded on the transmission shaft and the sliding chamber
The elevator being slidably connected, the elevator are equipped with the connecting rod that can be slidably connected with the slideway, the connecting rod and institute
State the connection that offsets between rotating plate.
It may be preferred that the soaring component includes being fixedly connected on the symmetrical hanging plate in the baseplate underside end face and front and back,
Driven shaft is rotatably connected on the hanging plate, the driven shaft is equipped with the secondary bevel gear that connection is engaged with the master bevel gear,
The driven shaft is equipped with the symmetrical gear in front and back, and the support that connection can be engaged with the gear is slidably connected on the bottom plate
Foot.
It is easy to operate the beneficial effects of the present invention are: structure of the invention is simple, using line between line wheel and magnet,
Provide the distance between curtain and projector zero point, and mobile projector instrument and passes through one end up to suitable distance since zero point
The rotation of pulls wire wheel is fixed between curtain and drives to be equipped with to adjust and is rotated, and is completed automatic focusing, is passed through the clamping side of biomimetic features
The connection of the zooming section of formula and projector, ensures that the component of projector is not consumed, and can be disappeared using this focusing mode
Except mechanical integration loss bring error, focusing accuracy is greatly improved.
Detailed description of the invention
The present invention is described in detail by following specific embodiments and drawings for ease of explanation,.
Fig. 1 is a kind of overall structure diagram of projector automatic focusing device of the invention；
Fig. 2 is the enlarged structure schematic diagram of " A " of Fig. 1；
Fig. 3 is the structural schematic diagram of " B-B " of Fig. 1；
Fig. 4 is the structural schematic diagram of " C-C " of Fig. 1；
Fig. 5 is the structural schematic diagram of " D-D " of Fig. 1.
Specific embodiment
Below with reference to Fig. 1-Fig. 5, the present invention is described in detail, for sake of convenience, now provides to hereafter described orientation
As follows: hereafter described front-rear direction up and down is consistent with the front-rear direction up and down of Fig. 1 projection relation itself.
A kind of projector automatic focusing device according to the present invention, including bottom plate 11,11 upside end face of the bottom plate fixation are set
There is vertical plate 26, turning barrel 37 be rotatably connected on the vertical plate 26, the swivelling chute 48 of opening to the right is equipped in the turning barrel 37,
It is equipped with the clamping device 901 for carrying out bionical fixation to projector focusing knob in the swivelling chute 48, is set on the vertical plate 26
There is the switching device 902 of the rotatably turning barrel 37, the 11 upside end face of bottom plate slidably connects right positioned at the turning barrel 37
Projector can be fixed, be rotatably connected to and be located in the bottom plate 11 by the fixation device 903 at end, the fixed device 903
The transmission shaft 27 of 26 left end of vertical plate, the transmission shaft 27 are equipped with the liter that can be controlled the switching device 902
Falling unit 904, the transmission shaft 27 is equipped with the line wheel 25 positioned at 904 lower end of lifting device, in the line wheel 25
Being intertwined and connected has stretching 17, it is described stretch 17 the other end be equipped with can magnet 35 of the magnetic-adsorption at curtain edge, the line wheel
Torsion spring 24 is connected between 25 and the bottom plate 11, the magnet 35 is mobile to pull the rotation line by the stretching 17
Wheel 25, so that the lifting device 904 moves respective distances, it is automatic to realize that distance change is focused, on the transmission shaft 27
Equipped with the master bevel gear 18 for being located at 11 downside of bottom plate, the 11 downside end face of bottom plate is equipped with climbing for adjustment camera lens whole height
Component 905 is risen, is connected by power between the soaring component 905 and the master bevel gear 18, the 11 downside end face of bottom plate is fixed
It is connected with positioned at soaring 905 right end of component and the symmetrical hydraulic foot lever 36 in front and back, to assist bottom plate described in gentle support
11。
Valuably, the clamping device 901 includes four for being set to 48 inner left wall of swivelling chute and annular spread
Hinged seat 40 is hinged with chain bar 45 on the hinged seat 40, is fixed with cross bar 41 in 48 inner left wall of swivelling chute, described
Axle sleeve 43 is slidably connected on cross bar 41, and compressed spring 42, the chain bar are connected between the axle sleeve 43 and the cross bar 41
45 other end is articulated and connected with the position for being located at 90 degree of dislocation on the axle sleeve 43, and circular array shows four on the axle sleeve 43
A telescopic rod 39 is fixed with adjustment ring 47 in the swivelling chute 48, is equipped with drive cavity 46, the transmission in the adjustment ring 47
46 left end inner wall of chamber communicates the sliding slot 49 for being equipped with and being slidably connected with the telescopic rod 39, and the telescopic rod 39 is equipped with positioned at described
Pushing block 38 in drive cavity 46,46 inner wall of drive cavity slidably connect the slide bar 50 abutted with the pushing block 38, the cunning
Bar 50 is equipped with the bionical pawl 52 positioned at 47 inner ring of adjustment ring, the bionical pawl 52 and the 47 inner ring end face of adjustment ring it
Between be connected with extension spring 51, different by the thickness of the pushing block 38, the distance for pushing the slide bar 50 mobile is different so that
Bionical pawl 52 is abutted with focusing knob.
Valuably, the switching device 902 includes being fixedly connected on the stacked rods 53 of 37 circle end face of turning barrel, described
53 other end of stacked rods is fixed with pressing plate 32, be rotatably connected on the vertical plate 26 can elasticity restore rotating plate 33, institute
It states and is fixedly connected between rotating plate 33 and the pressing plate 32.
Valuably, the fixed device 903 includes being slidably connected to the four of the 11 upside end face of bottom plate and rectangular array
A bracket 15, the bracket 15 are equipped with fixed station 16, the holding tank 13 of opening upwards, the folder are equipped in the fixed station 16
It holds and slidably connects symmetrical clamping plate 14 in slot 13, be connected with resistance spring between the clamping plate 14 and the fixed station 16
12, projector is gripped by the elastic force of the resistance spring 12.
Valuably, the lifting device 904 includes the limitting casing 29 being rotationally connected on the transmission shaft 27, the limit
Frame 29 is equipped with the cunning chamber 28 of opening upwards, and sliding 28 right end of chamber is communicated equipped with slideway 30, and screw thread connects on the transmission shaft 27
It is connected to the elevator 31 being slidably connected with the sliding chamber 28, the elevator 31 is equipped with and can be slidably connected with the slideway 30
Connecting rod 34, offset connection between the connecting rod 34 and the rotating plate 33.
Valuably, the soaring component 905 includes being fixedly connected on the 11 downside end face of bottom plate and front and back is symmetrically hung
Plate 23 is rotatably connected to driven shaft 20 on the hanging plate 23, and the driven shaft 20 is equipped with and 18 company of engagement of master bevel gear
The secondary bevel gear 19 connect, the driven shaft 20 are equipped with the symmetrical gear 21 in front and back, and slidably connecting on the bottom plate 11 can be with
The support leg 22 of the engagement of gear 21 connection.
When fixed, projector is placed on holding tank 13 and is abutted with the clamping plate 14 of two sides, and by the elastic force of resistance spring 12
It is gripped, pushes fixed station 16 to slide to the left and send focusing knob to swivelling chute 48, knob pushes axle sleeve 43 to the left
It is mobile, and compressed spring 42 is made to put aside elastic potential energy, due to the consistent length of chain bar 45, in the moving process of axle sleeve 43
It is middle to rotate pushing block 38 with itself rotation, and then by telescopic rod 39, and push slide bar 50 to adjustment ring 47 from pushing block 38
Inner ring sliding, is fixed focusing knob using bionical pawl 52；
Magnet 35 is fixed on curtain edge, when needing to adjust the distance between projector and curtain, pull bottom plate 11 move to left to
Suitable distance pulls line wheel 25 to rotate, and then transmission shaft 27 is driven to rotate at this point, stretching 17, and transmission shaft 27 passes through threads turn
So that elevator 31 moves down, and passes through the abutting of connecting rod 34 and rotating plate 33, pressing rotating plate 33 is rotated down, and rotating plate 33 successively leads to
Pressing plate 32, the rotation turning barrel 37 of stacked rods 53 are crossed, and has clamping device 901 to rotate focusing knob, carries out focusing work, transmission shaft
27 pass through the engagement rotation of master bevel gear 18 and secondary bevel gear 19, so that driven shaft 20 rotates, and by gear 21 and support leg 22
Engagement rotation to move up bottom plate 11 whole, adjust the height of subpoint.
It is easy to operate the beneficial effects of the present invention are: structure of the invention is simple, using line between line wheel and magnet,
Provide the distance between curtain and projector zero point, and mobile projector instrument and passes through one end up to suitable distance since zero point
The rotation of pulls wire wheel is fixed between curtain and drives to be equipped with to adjust and is rotated, and is completed automatic focusing, is passed through the clamping side of biomimetic features
The connection of the zooming section of formula and projector, ensures that the component of projector is not consumed, and can be disappeared using this focusing mode
Except mechanical integration loss bring error, focusing accuracy is greatly improved.
In the above manner, those skilled in the art can be made within the scope of the invention according to operating mode it is various
Change.
Claims (6)
1. a kind of projector automatic focusing device, including bottom plate, bottom plate upside end face is fixed with vertical plate, described vertical
It is rotatably connected to turning barrel on plate, the swivelling chute of opening to the right is equipped in the turning barrel, is equipped in the swivelling chute to projector tune
Focus knob carries out the clamping device of bionical fixation, and the vertical plate is equipped with the switching device that can be rotated the turning barrel, the bottom
End face slidably connects the fixation device positioned at the turning barrel right end on the upside of plate, and the fixed device can be consolidated projector
It is fixed, the transmission shaft positioned at the vertical plate left end is rotatably connected in the bottom plate, the transmission shaft is equipped with and can cut to described
The lifting device that changing device is controlled, the transmission shaft is equipped with the line wheel positioned at lifting device lower end, described
Being intertwined and connected in line wheel has stretching, the other end of the stretching be equipped with can magnet of the magnetic-adsorption at curtain edge, the line wheel
Torsion spring is connected between the bottom plate, the magnet is mobile to pull the rotation line wheel by described, and then makes
The lifting device movement respective distances are obtained, automatic to realize distance change focusing, the transmission shaft is equipped with positioned at the bottom plate
The master bevel gear of downside, the baseplate underside end face be equipped with adjustment camera lens whole height soaring component, the soaring component with
It is connected by power between the master bevel gear, the baseplate underside end face is fixedly connected with positioned at the soaring component right end and front and back
Symmetrical hydraulic foot lever, to assist bottom plate described in gentle support.
2. a kind of projector automatic focusing device as described in claim 1, it is characterised in that: the clamping device includes setting
In being hinged with chain bar, the swivelling chute on four hinged seats of the swivelling chute inner left wall and annular spread, the hinged seat
It is fixed with cross bar in inner left wall, axle sleeve is slidably connected on the cross bar, is connected between the axle sleeve and the cross bar
Compressed spring, the other end of the chain bar is articulated and connected with the position for being located at 90 degree of dislocation on the axle sleeve, on the axle sleeve
Annular array is fixed with adjustment ring, is equipped with drive cavity, the biography in the adjustment ring there are four telescopic rod in the swivelling chute
Dynamic chamber left end inner wall communicates the sliding slot for being equipped with and being slidably connected with the telescopic rod, and the telescopic rod, which is equipped with, is located at the drive cavity
Interior pushing block, the transmission cavity wall slidably connect the slide bar abutted with the pushing block, and the slide bar is equipped with positioned at described
The bionical pawl of adjustment ring inner ring is connected with extension spring between the bionical pawl and adjustment ring inner ring end face.
3. a kind of projector automatic focusing device as described in claim 1, it is characterised in that: the switching device includes fixing
The stacked rods of the turning barrel circle end face are connected to, the stacked rods other end is fixed with pressing plate, turns on the vertical plate
It is dynamic be connected with can the rotating plate that restores of elasticity, be fixedly connected between the rotating plate and the pressing plate.
4. a kind of projector automatic focusing device as described in claim 1, it is characterised in that: the fixed device includes sliding
It is connected to four brackets of end face and rectangular array on the upside of the bottom plate, the bracket is equipped with fixed station, in the fixed station
Holding tank equipped with opening upwards slidably connects symmetrical clamping plate, the clamping plate and the fixation in the holding tank
Resistance spring is connected between platform.
5. a kind of projector automatic focusing device as claimed in claim 3, it is characterised in that: the lifting device includes rotation
The limitting casing being connected on the transmission shaft, the limitting casing are equipped with the cunning chamber of opening upwards, and the sliding chamber right end, which communicates, to be set
There is slideway, be threaded with the elevator being slidably connected with the sliding chamber on the transmission shaft, the elevator is equipped with can be with
The connecting rod that the slideway is slidably connected, offset connection between the connecting rod and the rotating plate.
6. a kind of projector automatic focusing device as described in claim 1, it is characterised in that: the soaring component includes fixing
It is connected to the symmetrical hanging plate in the baseplate underside end face and front and back, is rotatably connected to driven shaft, the driven shaft on the hanging plate
It is equipped with the secondary bevel gear that connection is engaged with the master bevel gear, the driven shaft is equipped with the symmetrical gear in front and back, the bottom
The support leg that connection can be engaged with the gear is slidably connected on plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660928.5A CN110308611B (en) | 2019-07-22 | 2019-07-22 | Automatic focusing device of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910660928.5A CN110308611B (en) | 2019-07-22 | 2019-07-22 | Automatic focusing device of projector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110308611A true CN110308611A (en) | 2019-10-08 |
| CN110308611B CN110308611B (en) | 2021-01-26 |
Family
ID=68080424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910660928.5A Expired - Fee Related CN110308611B (en) | 2019-07-22 | 2019-07-22 | Automatic focusing device of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110308611B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111369873A (en) * | 2020-03-20 | 2020-07-03 | 杭州慕夏科技有限公司 | Internet teaching device based on sliding resistance changes |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1138152A (en) * | 1965-02-15 | 1968-12-27 | Eastman Kodak Co | Photographic projection apparatus |
| JPH0627529A (en) * | 1992-07-10 | 1994-02-04 | Canon Inc | Picture processor and recording medium holder |
| CN204462625U (en) * | 2015-02-02 | 2015-07-08 | 天津大鹏远翔教育科技发展有限公司 | Auto-focusing projector apparatus device |
| CN109882696A (en) * | 2019-04-22 | 2019-06-14 | 烟台工程职业技术学院(烟台市技师学院) | A kind of English teaching multimedia equipment |
| CN109974676A (en) * | 2019-04-16 | 2019-07-05 | 苏抒冉 | A kind of rangefinder deflecting positioning device and application method that open air is manually adjustable |
| CN110013438A (en) * | 2019-04-19 | 2019-07-16 | 嘉兴沐栗服饰有限公司 | Polypeptide drug preparation facilities |
-
2019
- 2019-07-22 CN CN201910660928.5A patent/CN110308611B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1138152A (en) * | 1965-02-15 | 1968-12-27 | Eastman Kodak Co | Photographic projection apparatus |
| JPH0627529A (en) * | 1992-07-10 | 1994-02-04 | Canon Inc | Picture processor and recording medium holder |
| CN204462625U (en) * | 2015-02-02 | 2015-07-08 | 天津大鹏远翔教育科技发展有限公司 | Auto-focusing projector apparatus device |
| CN109974676A (en) * | 2019-04-16 | 2019-07-05 | 苏抒冉 | A kind of rangefinder deflecting positioning device and application method that open air is manually adjustable |
| CN110013438A (en) * | 2019-04-19 | 2019-07-16 | 嘉兴沐栗服饰有限公司 | Polypeptide drug preparation facilities |
| CN109882696A (en) * | 2019-04-22 | 2019-06-14 | 烟台工程职业技术学院(烟台市技师学院) | A kind of English teaching multimedia equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111369873A (en) * | 2020-03-20 | 2020-07-03 | 杭州慕夏科技有限公司 | Internet teaching device based on sliding resistance changes |
| CN111369873B (en) * | 2020-03-20 | 2021-12-03 | 聊城八月瓜大数据服务有限公司 | Internet teaching device based on sliding resistance changes |
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| Publication number | Publication date |
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| CN110308611B (en) | 2021-01-26 |
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Effective date of registration: 20210107 Address after: 253700 Xiaotian Village North, West Ring Road, Qingyun County Economic Development Zone, Dezhou City, Shandong Province Applicant after: SHANDONG WANHENG ELECTRONIC COMMUNICATION DEVICE Co.,Ltd. Address before: 321000 Room 203, unit 1, building 2, houshentang District 3, Houjiang street, Yiwu City, Jinhua City, Zhejiang Province Applicant before: Yiwu Wenting New Energy Technology Co.,Ltd. |
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