CN108683836A - Burnt regulating device after a kind of optical lens - Google Patents
Burnt regulating device after a kind of optical lens Download PDFInfo
- Publication number
- CN108683836A CN108683836A CN201810899825.XA CN201810899825A CN108683836A CN 108683836 A CN108683836 A CN 108683836A CN 201810899825 A CN201810899825 A CN 201810899825A CN 108683836 A CN108683836 A CN 108683836A
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- China
- Prior art keywords
- cylinder
- optical lens
- turning set
- regulating device
- movement parts
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- 230000003287 optical effect Effects 0.000 title claims abstract description 35
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 23
- 238000003384 imaging method Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 8
- 239000000571 coke Substances 0.000 description 5
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Lens Barrels (AREA)
Abstract
Burnt regulating device after a kind of optical lens of present invention offer, including protecgulum, rear cover and the movement parts being sequentially arranged in from front to back between protecgulum and rear cover, guide cylinder and driving device, the front of protecgulum is equipped with light hole, the circumferential edge of light hole is equipped with the mounting ring to socket-connect for the rear end with optical lens, the front end of movement parts is equipped with CCD chip module and movement parts can be oppositely oriented cylinder and move forward and backward, driving device includes turning set and direct current generator, the turning set that turning set is sheathed on guide cylinder and is moved forward and backward for drive motion part, the output end of direct current generator is equipped with gear, the outer circumferential of turning set is equipped with rack, driving gear component is engaged between wheel and rack.Rear burnt regulating device is socketed in optical lens rear end by mounting ring, its back focal length is the distance between the imaging surface that camera lens rear end face is formed with CCD chip module, driving device drive motion part moves forward and backward, to drive imaging surface to move forward and backward and adjusting burnt after realizing.
Description
【Technical field】
The present invention relates to security protection field of optical lens, burnt regulating device after especially a kind of optical lens.
【Background technology】
With the fast development of new and high technology, security protection optical zoom and tight shot are widely used.It is wherein mechanical
Coke refers to that camera lens machinery rear end face arrives the distance between image planes, either zoom lens or tight shot afterwards, when it corresponds to one
When money chip, burnt numerical value is changeless after machinery, then after removing IR optical filters from structure, the image of camera lens
It will fog, it is unintelligible so as to cause focusing, influence imaging effect.Meanwhile general video camera does back focal length in manufacture
Therefore adjustment appropriate in the application scenario that fixed-focus or zoom lens is coupled in client, generally need not all adjust video camera
Rear coke, but be likely to occur in use usually when lens focusing ring is adjusted to extreme position or camera lens is by more
When strong vibrations, clearly image cannot be obtained, just needs to be adjusted back focal length at this time.Meanwhile web camera
Amount of pixels it is increasing, but its high amount of pixels to monitoring band come clearer visual experience while also give engineering construction band
Prodigious difficulty is carried out.And the web camera of traditional fixed back of the body coke cannot meet the needs of high-definition monitoring.
【Invention content】
It is adjusted the technical problem to be solved in the present invention is to provide burnt after can carrying out to meet a kind of optical frames of high-definition monitoring
Burnt regulating device after head.
The object of the present invention is achieved like this：
Burnt regulating device after a kind of optical lens, including protecgulum, rear cover and be sequentially arranged in from front to back the protecgulum with
The front of movement parts, guide cylinder between rear cover and driving device, the protecgulum is equipped with light hole, the peripheral edge of the light hole
Edge is equipped with the mounting ring to socket-connect for the rear end with optical lens, and the front end of the movement parts is equipped with CCD chip module and institute
State movement parts can the relatively described guide cylinder move forward and backward, the driving device includes turning set and direct current generator, the turning set
It is sheathed on the turning set on the guide cylinder and for driving the movement parts to move forward and backward, the output end of the direct current generator is set
There are gear, the outer circumferential of the turning set to be equipped with rack, driving gear component is engaged between the gear and the rack.
Entire rear burnt regulating device is socketed in optical lens by the present invention using the above structure, by the mounting ring of protecgulum
Rear end, back focal length are the rear end face of optical lens and the distance between the imaging surface that CCD chip module is formed, driving device
Direct current generator sliding tooth wheel rotate to drive driving gear component to rotate, and drive to have and be engaged with driving gear component
The turning set of rack rotates, and then drive motion part moves forward and backward, before and after driving the imaging surface that CCD chip module is formed to make
Movement to the rear end face closer or far from optical lens, and then realizes the adjusting of back focal length.This addresses the problem tradition to image
Machine is the problem of image can fog after removing IR optical filters, and when being converted to white-black pattern from color mode, CCD chip
The position meeting adjust automatically of module, accurately focuses to provide whole day.
Burnt regulating device after a kind of optical lens as described above, the driving gear component includes intermeshing first
Driving wheel and the second driving wheel, first driving wheel and second driving wheel are divided into other mutually to be nibbled with the gear and rack
It closes, the rotation of direct current generator sliding tooth wheel is to drive the first driving wheel to rotate and the second driving wheel is driven to rotate, to drive tool
There is the turning set of the rack engaged with the second driving wheel to rotate, and then drive motion part moves forward and backward and adjusting burnt after realizing.
The week of burnt regulating device after a kind of optical lens as described above, the turning set is equipped in the shape of a spiral inwardly
Guide groove, circumferentially outside is equipped with the guide post that can be moved along the guide groove so that when described for the rear ends of the movement parts
When turning set rotates the movement parts can the relatively described guide cylinder move forward and backward, when direct current generator drives turning set rotation, be oriented to
Slot rotates therewith, and guide post moves forward and backward under the guiding role of spiral helicine guide groove, so that movement parts can phase
Guide cylinder is moved forward and backward, the adjusting of rear coke is further realized.
Burnt regulating device after a kind of optical lens as described above, the guide cylinder include guide plate and are set to the guiding
The cylinder of postlaminar part, the movement parts include mounting plate and the movement cylinder set on the installation postlaminar part, and the guide post is set to
On the outer circumferential of the movement cylinder, the cylinder is circumferentially with straight slot, the guide post across the straight slot and with it is described
Guide groove matches connection, and when turning set rotates, guide post is under the guiding role of spiral helicine guide groove before and after straight slot work
Movement, moves forward and backward so that movement parts can be oppositely oriented cylinder, further realizes the adjusting of rear coke.
Burnt regulating device after a kind of optical lens as described above, is equipped with convex between the movement cylinder and the mounting plate
Ring, the guide plate are equipped with vessel for accommodating the bulge loop, by the cooperation of bulge loop and vessel realize to movement parts to
The limit moved afterwards.
Burnt regulating device after a kind of optical lens as described above, the outside of the turning set are equipped with position detection and fill
It sets for limiting the slewing area of the turning set to further be limited to movement parts.
The rear end of burnt regulating device after a kind of optical lens as described above, the cylinder is equipped with block, correspondingly, described
The rear end for moving cylinder moves movement parts with further realizing circumferentially arranged with the groove that is abutted against with the block backward
Limit.
【Description of the drawings】
The specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the decomposition texture schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of driving device of the present invention；
Fig. 3 is the structural schematic diagram of turning set of the present invention；
Fig. 4 is the structural schematic diagram of movement parts of the present invention；
Fig. 5 is the structural schematic diagram of guide cylinder of the present invention；
Fig. 6 is structural schematic diagram when movement parts of the present invention coordinate with the turning set；
Fig. 7 is structural schematic diagram when movement parts of the present invention coordinate with the guide cylinder；
Fig. 8 is the dimensional structure diagram of the present invention；
Fig. 9 is the schematic cross-sectional view of the present invention.
【Specific implementation mode】
Burnt regulating device after a kind of optical lens, including protecgulum 1, rear cover 2 and it is sequentially arranged in protecgulum 1 from front to back with after
The front of movement parts 3, guide cylinder 4 between lid 2 and driving device 5, protecgulum 1 is equipped with light hole 10, the peripheral edge of light hole 10
Edge is equipped with the mounting ring 11 to socket-connect for the rear end with optical lens, and the front end of movement parts 3 is equipped with CCD chip module 6 and transports
Moving part 3 can be oppositely oriented cylinder 4 and move forward and backward, and driving device 5 includes turning set 51 and direct current generator 52, and turning set 51, which is sheathed on, leads
To on cylinder 4 and for the turning set 51 that drive motion part 3 moves forward and backward, the output end of direct current generator 52 is equipped with gear 521, rotation
The outer circumferential of set 51 is equipped with rack 511, and driving gear component 50 is engaged between gear 521 and rack 511.
Driving gear component 50 includes 53 and second driving wheel 54 of intermeshing first driving wheel, 53 He of the first driving wheel
Second driving wheel 54, which is divided into, not to be meshed with gear 521 and rack 511.
It is equipped with spiral guide groove 512 week of turning set 51 inwardly, circumferentially outside is set for the rear end of movement parts 3
There is the guide post 31 that can be moved along guide groove 512 so that movement parts 3 can be oppositely oriented the front and back fortune of cylinder 4 when turning set 51 rotates
It is dynamic.
Guide cylinder 4 includes guide plate 41 and the cylinder 42 set on 41 rear portion of guide plate, and movement parts 3 include mounting plate 32 and set
Movement cylinder 33 in 32 rear portion of mounting plate, guide post 31 are set on the outer circumferential of movement cylinder 33, and being circumferentially with for cylinder 42 is logical
Slot 421, guide post 31 match with guide groove 512 and connect across straight slot 421.
To realize the limit moved backward to movement parts 3, moves and be equipped with bulge loop 34, guide plate between cylinder 33 and mounting plate 32
41 are equipped with the vessel 411 for accommodating bulge loop 34.
In order to further be limited to movement parts 3, the outside of turning set 51 be equipped with position detecting device 7 with
In the slewing area for limiting turning set 51.
The rear end of cylinder 42 is equipped with block 422, and correspondingly, the rear end of movement cylinder 33 offsets circumferentially arranged with block 422
The groove 331 connect is further to realize the limit moved backward to movement parts 3.
The present invention in use, by the mounting ring 11 of protecgulum 1 will it is entire after after burnt regulating device is socketed in optical lens
End, back focal length are the distance between the imaging surface that rear end face and the CCD chip module 6 of optical lens are formed, when need into
Burnt after row to adjust, direct current generator 52 obtains electric rotation and drives the rotation of gear 521 to drive the rotation of the first driving wheel 53 and drive
Second driving wheel 54 rotates, to which there is the turning set 51 of the rack 511 engaged with the second driving wheel 54 to rotate for driving, guide groove
512 rotate therewith, and the leading to along guide cylinder 4 under the guiding role of spiral helicine guide groove 512 of the guide post 31 in movement parts 3
Slot 521 moves forward and backward, and is moved forward and backward so that movement parts 3 can be oppositely oriented cylinder 4, and then CCD chip module 6 is driven to be formed
Imaging surface move forward and backward, to closer or far from optical lens rear end face, and then realize back focal length adjusting.
Claims (7)
1. burnt regulating device after a kind of optical lens, it is characterised in that including protecgulum (1), rear cover (2) and from front to back successively
Movement parts (3), guide cylinder (4) and driving device (5) between the protecgulum (1) and rear cover (2), the protecgulum (1)
Front is equipped with light hole (10), and the circumferential edge of the light hole (10) is equipped with the peace to socket-connect for the rear end with optical lens
Ring (11) is filled, the front end of the movement parts (3) is equipped with CCD chip module (6) and the movement parts (3) can the relatively described guide cylinder
(4) it moves forward and backward, the driving device (5) includes turning set (51) and direct current generator (52), and the turning set (51) is sheathed on
On the guide cylinder (4) and for driving the turning set (51) that the movement parts (3) move forward and backward, the direct current generator (52)
Output end is equipped with gear (521), and the outer circumferential of the turning set (51) is equipped with rack (511), the gear (521) with it is described
Driving gear component (50) is engaged between rack (511).
2. burnt regulating device after a kind of optical lens according to claim 1, it is characterised in that the driving gear component
(50) include intermeshing first driving wheel (53) and the second driving wheel (54), first driving wheel (53) and described second
Driving wheel (54) is divided into other to be meshed with the gear (521) and rack (511).
3. burnt regulating device after a kind of optical lens according to claim 2, it is characterised in that the turning set (51)
Be equipped with spiral guide groove (512) week inwardly, the rear ends of the movement parts (3) circumferentially outside equipped with can be along described
The guide post (31) of guide groove (512) movement is so that the movement parts (3) can opposite institute when the turning set (51) rotate
Guide cylinder (4) is stated to move forward and backward.
4. burnt regulating device after a kind of optical lens according to claim 3, it is characterised in that the guide cylinder (4) includes
Guide plate (41) and the cylinder (42) for being set to the guide plate (41) rear portion, the movement parts (3) include mounting plate (32) and set
Movement cylinder (33) in the mounting plate (32) rear portion, the guide post (31) are set to the outer circumferential of the movement cylinder (33)
On, the cylinder (42) is circumferentially with straight slot (421), and the guide post (31) passes through the straight slot (421) and led with described
Match connection to slot (512).
5. burnt regulating device after a kind of optical lens according to claim 4, it is characterised in that the movement cylinder (33) and
Bulge loop (34) is equipped between the mounting plate (32), the guide plate (41) is equipped with the vessel for accommodating the bulge loop (34)
(411)。
6. burnt regulating device after a kind of optical lens according to any one of claims 1 to 5, it is characterised in that the rotation
The outside for covering (51) is equipped with position detecting device (7) for limiting the slewing area of the turning set (51).
7. burnt regulating device after a kind of optical lens according to claim 4 or 5, it is characterised in that the cylinder (42)
Rear end is equipped with block (422), and correspondingly, the rear end of the movement cylinder (33) is abutted against circumferentially arranged with the block (422)
Groove (331).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899825.XA CN108683836A (en) | 2018-08-09 | 2018-08-09 | Burnt regulating device after a kind of optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810899825.XA CN108683836A (en) | 2018-08-09 | 2018-08-09 | Burnt regulating device after a kind of optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108683836A true CN108683836A (en) | 2018-10-19 |
Family
ID=63816172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810899825.XA Pending CN108683836A (en) | 2018-08-09 | 2018-08-09 | Burnt regulating device after a kind of optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108683836A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346351A (en) * | 2010-08-04 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Back focal length adjusting structure |
| CN203365878U (en) * | 2013-05-31 | 2013-12-25 | 天津市亚安科技股份有限公司 | Device for adjusting the flange distance of camera |
| CN103592736A (en) * | 2012-08-16 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | Image capture lens rear focus adjusting structure |
| CN103676078A (en) * | 2012-08-31 | 2014-03-26 | 佛山普立华科技有限公司 | Zoom lens adjusting structure |
| CN206759586U (en) * | 2017-04-19 | 2017-12-15 | 浙江大华技术股份有限公司 | A kind of rear lens focus adjusting device and video camera |
| CN108361503A (en) * | 2018-05-21 | 2018-08-03 | 苏州腾邦科技有限公司 | Camera visual angle adjustable angle section structure |
-
2018
- 2018-08-09 CN CN201810899825.XA patent/CN108683836A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102346351A (en) * | 2010-08-04 | 2012-02-08 | 鸿富锦精密工业（深圳）有限公司 | Back focal length adjusting structure |
| CN103592736A (en) * | 2012-08-16 | 2014-02-19 | 鸿富锦精密工业（深圳）有限公司 | Image capture lens rear focus adjusting structure |
| CN103676078A (en) * | 2012-08-31 | 2014-03-26 | 佛山普立华科技有限公司 | Zoom lens adjusting structure |
| CN203365878U (en) * | 2013-05-31 | 2013-12-25 | 天津市亚安科技股份有限公司 | Device for adjusting the flange distance of camera |
| CN206759586U (en) * | 2017-04-19 | 2017-12-15 | 浙江大华技术股份有限公司 | A kind of rear lens focus adjusting device and video camera |
| CN108361503A (en) * | 2018-05-21 | 2018-08-03 | 苏州腾邦科技有限公司 | Camera visual angle adjustable angle section structure |
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