CN207704121U - A kind of near infrared band removes heat differential optical lens - Google Patents
A kind of near infrared band removes heat differential optical lens Download PDFInfo
- Publication number
- CN207704121U CN207704121U CN201820148491.8U CN201820148491U CN207704121U CN 207704121 U CN207704121 U CN 207704121U CN 201820148491 U CN201820148491 U CN 201820148491U CN 207704121 U CN207704121 U CN 207704121U
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- CN
- China
- Prior art keywords
- side wall
- eyeglass
- near infrared
- camera lens
- heat differential
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- 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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- Blocking Light For Cameras (AREA)
Abstract
The utility model discloses a kind of near infrared bands to remove heat differential optical lens, including camera lens ontology, this near infrared band is simple in structure except heat differential optical lens, when temperature increases in the inner cavity of camera lens ontology, air expands against piston and moves up, stock is set to move up, tooth socket meshing gear on stock, gear rotation is set to drive screw rod to move back and forth by connecting rod, due to screw flight coupling nut, the movement of screw rod makes cap rotation, drive flabellum rotation, flabellum rotation makes the air in installation cavity flow, connecting plate in through-hole rotates under the influence of air pressure, the inner cavity and outside for making camera lens ontology connect, it is flowed by air and realizes elimination heat differential, with very strong practicability.
Description
Technical field
The utility model is related to camera field, specially a kind of near infrared band removes heat differential optical lens.
Background technology
Optical system is usually required that stable optical property within the scope of certain temperature, and most of optical material tool
There is coefficient of optothermal expansion, with the variation of environment temperature, the refractive index of optical material, the curvature of optical element and thickness, part
Interval etc. can all change, and so that optical system is generated hot defocus, image quality is caused to be deteriorated, thus athermal optical system at
For an important directions of current High Definition Systems research, the method for removing heat differential currently on the market is cumbersome and involve great expense, in order to
It preferably eliminates heat differential and improves the optical quality that integrally presents, it is proposed that a kind of near infrared band removes heat differential optical lens.
Utility model content
The purpose of this utility model is to provide a kind of near infrared bands to remove heat differential optical lens, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions：
A kind of near infrared band removes heat differential optical lens, including camera lens ontology, and the camera lens ontology is open at both ends structure,
It is connected with the first eyeglass in the inner cavity of the camera lens ontology, first eyeglass is the falcate eyeglass of positive light coke, described the
Diaphragm is connected on the convex surface side wall of one eyeglass, the one end of the diaphragm far from the first eyeglass is connected with optical filter, the optical filtering
The one end of piece far from diaphragm is connected with the second eyeglass, and second eyeglass is the convexo-plane eyeglass of positive light coke, the camera lens sheet
The inner cavity upper end of body opens up fluted, and the side wall lower ends of the groove are connected with sleeve, and the sleeve is lower end uncovered structure, institute
The slide over side walls for stating sleeve is connected with piston, and the upper end of the piston is connected with stock, and sleeve is run through in the upper end of the stock
Roof and extend sleeve, the side wall of the stock is equipped with tooth socket, the tooth socket meshing gear, connects in the middle part of the rear end of gear
It is connected to bull stick, the other end of bull stick and the side wall of groove are rotatablely connected, one end of the forward edge bar that is articulated and connected of the gear,
The other end of the connecting rod is hinged on screw rod, and screw thread is socketed with nut on the screw rod, and the nut is slidably connected at mirror
On the side wall of installation cavity opened up on head ontology, be connected with multiple flabellums on the side wall of the nut, the installation cavity up and down
End offers through-hole, and shaft is connected on the both ends side wall of the through-hole, connecting plate, the connection are hinged in the shaft
The upper end side of plate is connected to by the first spring on the side wall of through-hole, passes through on side wall of the through-hole far from the first spring
Two springs are connected to the lower end of connecting plate.
Preferably, the side wall lower ends positioned at the through-hole of upper end are connected with desiccant box.
Preferably, the quantity of the flabellum is no less than four, and multiple flabellums are equally spaced in a ring.
Preferably, the diaphragm is arranged in parallel with optical filter.
Preferably, the both ends of the connecting plate are connected with rubber pad.
Compared with prior art, the utility model has the beneficial effects that：This near infrared band removes heat differential optical lens structure
Simply, when temperature increases in the inner cavity of camera lens ontology, air expands against piston and moves up, and stock is made to move up, long
Tooth socket meshing gear on bar makes gear rotation move back and forth by connecting rod drive screw rod, due to screw flight coupling nut,
The movement of screw rod makes cap rotation, drives flabellum rotation, flabellum rotation that the air in installation cavity is made to flow, the connecting plate in through-hole
It rotates under the influence of air pressure, the inner cavity of camera lens ontology is made to connect with outside, flowed by air and realize elimination heat differential, had
Very strong practicability.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is A-A structure enlargement diagrams.
In figure：Camera lens ontology 1, the first eyeglass 2, diaphragm 3, optical filter 4, the second eyeglass 5,6 piston 7 of sleeve, stock 8, tooth
Wheel 9, connecting rod 10, screw rod 11, nut 12, flabellum 13, connecting plate 14, desiccant box 15.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：
A kind of near infrared band removes heat differential optical lens, including camera lens ontology 1, and camera lens ontology 1 is open at both ends structure, mirror
Be connected with the first eyeglass 2 in the inner cavity of head ontology 1, the first eyeglass 2 is the falcate eyeglass of positive light coke, the first eyeglass 2 it is convex
Diaphragm 3 is connected on the wall of surface side, the one end of diaphragm 3 far from the first eyeglass 2 is connected with optical filter 4, and diaphragm 3 is parallel with optical filter 4
Setting, the one end of optical filter 4 far from diaphragm 3 are connected with the second eyeglass 5, and the second eyeglass 5 is the convexo-plane eyeglass of positive light coke, mirror
The inner cavity upper end of head ontology 1 opens up fluted, and the side wall lower ends of groove are connected with sleeve 6, and sleeve 6 is lower end uncovered structure, set
The slide over side walls of cylinder 6 is connected with piston 7, and the upper end of piston 7 is connected with stock 8, and the roof of sleeve 6 is run through in the upper end of stock 8
And extend sleeve 6, the side wall of stock 8 is equipped with tooth socket, and the rear end middle part of tooth socket meshing gear 9, gear 9 is connected with bull stick,
The other end of bull stick and the side wall of groove are rotatablely connected, one end of the forward edge bar that is articulated and connected 10 of gear 9, connecting rod 10
The other end is hinged on screw rod 11, and screw thread is socketed with nut 12 on screw rod 11, and nut 12 is slidably connected on camera lens ontology 1 and opens up
Installation cavity side wall on, multiple flabellums 13 are connected on the side wall of nut 12, the quantity of flabellum 13 is no less than four, and multiple
Flabellum 13 is equally spaced in a ring, and the upper and lower side of installation cavity offers through-hole, and shaft is connected on the both ends side wall of through-hole, turns
Connecting plate 14 is hinged on axis, the both ends of connecting plate 14 are connected with rubber pad, can be better when connecting plate 14 does not rotate
The inner cavity of camera lens ontology 1 is sealed, the upper end side of connecting plate 14 is connected to by the first spring on the side wall of through-hole, and through-hole is separate
The lower end of connecting plate 14 is connected on the side wall of first spring by second spring, is located at the side wall lower ends connection of the through-hole of upper end
There are desiccant box 15, desiccant box 15 that drier is housed, the vapor obstructed in air enters in the inner cavity of camera lens ontology 1.
Operation principle：When temperature increases in the inner cavity of camera lens ontology 1, air expands against piston 7 and moves up, and makes length
Bar 8 moves up, the tooth socket meshing gear 9 on stock 8, and the rotation of gear 9 is made to drive screw rod 11 to move back and forth by connecting rod 10,
Since screw rod 11 is threadedly coupled nut 12, the movement of screw rod 11 makes nut 12 rotate, flabellum 13 is driven to rotate, and the rotation of flabellum 13 makes
Air in installation cavity flows, and the connecting plate 14 in through-hole rotates under the influence of air pressure, makes the inner cavity and outside of camera lens ontology 1
It connects, is flowed by air and realize that elimination heat differential, the desiccant box 15 in the through-hole of upper end can prevent external vapor
Into in the inner cavity of camera lens ontology 1；Simultaneously by the way that diaphragm 3 and optical filter 4 are added between the first eyeglass 2 and the second eyeglass 5, according to
By the design of optical filter 4 and diaphragm 3, the incident angle of the chief ray of Integrated lens can be reduced, to relatively easily disappear
Various brightness problems caused by addition to the wavelength shift because of light improve the optical quality being integrally imaged, by a series of
Measure realizes that eliminating heat differential improves the optical quality integrally presented.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of near infrared band removes heat differential optical lens, including camera lens ontology (1), it is characterised in that：The camera lens ontology (1)
For open at both ends structure, the first eyeglass (2) is connected in the inner cavity of the camera lens ontology (1), first eyeglass (2) is positive light
The falcate eyeglass of focal power is connected with diaphragm (3) on the convex surface side wall of first eyeglass (2), and the diaphragm (3) is far from first
One end of eyeglass (2) is connected with optical filter (4), and the one end of the optical filter (4) far from diaphragm (3) is connected with the second eyeglass (5),
Second eyeglass (5) is the convexo-plane eyeglass of positive light coke, and the inner cavity upper end of the camera lens ontology (1) opens up fluted, institute
The side wall lower ends for stating groove are connected with sleeve (6), and the sleeve (6) is lower end uncovered structure, is slided on the side wall of the sleeve (6)
Dynamic to be connected with piston (7), the upper end of the piston (7) is connected with stock (8), and the upper end of the stock (8) is through sleeve (6)
Roof simultaneously extends sleeve (6), and the side wall of the stock (8) is equipped with tooth socket, the tooth socket meshing gear (9), gear (9)
Bull stick is connected in the middle part of rear end, the other end of bull stick and the side wall of groove are rotatablely connected, and the forward edge of the gear (9) is hinged
The other end of one end of connecting rod (10), the connecting rod (10) is hinged on screw rod (11), thread bush on the screw rod (11)
It is connected to nut (12), the nut (12) is slidably connected on the side wall of the installation cavity opened up on camera lens ontology (1), the nut
(12) multiple flabellums (13) are connected on side wall, the upper and lower side of the installation cavity offers through-hole, the both ends of the through-hole
It is connected with shaft on side wall, connecting plate (14) is hinged in the shaft, the upper end side of the connecting plate (14) passes through first
Spring is connected on the side wall of through-hole, and connecting plate is connected to by second spring on side wall of the through-hole far from the first spring
(14) lower end.
2. a kind of near infrared band according to claim 1 removes heat differential optical lens, it is characterised in that：Institute positioned at upper end
The side wall lower ends for stating through-hole are connected with desiccant box (15).
3. a kind of near infrared band according to claim 1 removes heat differential optical lens, it is characterised in that：The flabellum (13)
Quantity be no less than four, and multiple flabellums (13) are equally spaced in a ring.
4. a kind of near infrared band according to claim 1 removes heat differential optical lens, it is characterised in that：The diaphragm (3)
It is arranged in parallel with optical filter (4).
5. a kind of near infrared band according to claim 1 removes heat differential optical lens, it is characterised in that：The connecting plate
(14) both ends are connected with rubber pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820148491.8U CN207704121U (en) | 2018-01-29 | 2018-01-29 | A kind of near infrared band removes heat differential optical lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820148491.8U CN207704121U (en) | 2018-01-29 | 2018-01-29 | A kind of near infrared band removes heat differential optical lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207704121U true CN207704121U (en) | 2018-08-07 |
Family
ID=63031652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820148491.8U Expired - Fee Related CN207704121U (en) | 2018-01-29 | 2018-01-29 | A kind of near infrared band removes heat differential optical lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207704121U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113995997A (en) * | 2021-11-05 | 2022-02-01 | 师进旭 | Heat dissipation equipment is deposited to high temperature workshop fire extinguisher |
| CN114535278A (en) * | 2022-03-09 | 2022-05-27 | 广州市第一市政工程有限公司 | High-temperature treatment device for organic contaminated soil |
-
2018
- 2018-01-29 CN CN201820148491.8U patent/CN207704121U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113995997A (en) * | 2021-11-05 | 2022-02-01 | 师进旭 | Heat dissipation equipment is deposited to high temperature workshop fire extinguisher |
| CN114535278A (en) * | 2022-03-09 | 2022-05-27 | 广州市第一市政工程有限公司 | High-temperature treatment device for organic contaminated soil |
| CN114535278B (en) * | 2022-03-09 | 2022-09-30 | 广州市第一市政工程有限公司 | High-temperature treatment device for organic contaminated soil |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20190129 |