CN209343034U - A kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens of structure - Google Patents
A kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens of structure Download PDFInfo
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- CN209343034U CN209343034U CN201822224127.8U CN201822224127U CN209343034U CN 209343034 U CN209343034 U CN 209343034U CN 201822224127 U CN201822224127 U CN 201822224127U CN 209343034 U CN209343034 U CN 209343034U
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- microscope base
- lens
- negative lens
- zoom
- positive lens
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Abstract
The utility model relates to the hand-adjusting type LONG WAVE INFRARED camera lenses that a kind of band doubles structure, including basic mirror and three zoom mirrors, the basis mirror includes body tube, microscope base is provided in the back side chamber of the body tube, negative lens A is disposed with from front to back along light incident direction in the microscope base, bear border B, positive lens C, the forward chamber of the body tube is simultaneously radially equipped with the stop screw for being connected with the L-type slot being set on zoom mirror positioned at the downside of cam, the side wall of body tube forward chamber is circumferentially spaced to be provided with axial bead screw, cam is equipped with outside body tube, focusing ring is provided with outside the cam, the rear end of the body tube is additionally provided with attachment base.The hand-adjusting type LONG WAVE INFRARED lens construction that the band doubles structure is compact, and replaceable times of mirror makes investigative range wide.
Description
Technical field
The utility model relates to the hand-adjusting type LONG WAVE INFRARED camera lenses that a kind of band doubles structure.
Background technique
With the development of science and technology, infrared imagery technique has been widely used in fields such as national defence, industry, medical treatment.It is infrared
Detecting has certain ability for penetrating the abilities such as cigarette, mist, haze, snow and identification camouflage, not by the strong light in battlefield, flash of light interference and
Remote, round-the-clock observation, the target acquisition being particularly suitable under night and bad-weather condition may be implemented in blinding.
Temperature can not only impact the refractive index of optical material and also can cause to expand with heat and contract with cold to lens barrel material, cause light
Focal power variation and optimum image plane shift.Quality of optical imaging is reduced, image is smudgy, contrast decline, final to influence
The imaging performance of camera lens.
Summary of the invention
It is compact-sized the purpose of this utility model is to provide the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band doubles structure,
Replaceable times of mirror makes investigative range wide.
The technical solution of the utility model is: a kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens of structure, including basis
Mirror and three zoom mirrors, the basis mirror includes body tube, and microscope base, the microscope base are provided in the back side chamber of the body tube
It is interior to be disposed with negative lens A from front to back along light incident direction, bear border B, positive lens C, the body tube forward chamber
Side wall it is circumferentially spaced be provided with axial bead screw, cam is equipped with outside body tube, is provided with focusing ring outside the cam,
The rear end of the body tube is additionally provided with attachment base, and the forward chamber of body tube and the downside for being located at cam, which are radially equipped with, to be used for
The stop screw being connected with the L-type slot being set on zoom mirror.
Further, radially it is equipped with that upper end is connected with cam and what lower end was connected with microscope base leads on the body tube
Nail, the front end of the microscope base are provided with the annular protrusion for negative lens A limit, negative lens A is located in microscope base and bear border B it
Between be provided with the first spacer ring, be located to bear in microscope base and be provided with the second spacer ring between border B and positive lens C, the rear end of microscope base is spirally connected
There is the rear pressing ring for positive lens C limit.
Further, the airspace between the negative lens A and negative lens B be 3.3mm, negative lens B and positive lens C it
Between airspace be 4.6mm.
Further, three zoom mirrors are respectively 12 ° of times of mirrors, 7 ° of times of mirrors, 46 ° of times of mirrors.
Further, 12 ° of times of mirrors include inner cavity into the first horn-like zoom microscope base, in the first zoom microscope base
It is provided with negative lens D and negative lens E from front to back along light incident direction, the airspace between negative lens D and negative lens E is
20.3mm。
Further, the rank abutted against for the trailing flank circumference with negative lens D is provided in the first zoom microscope base
Face, is provided with the first pressing ring abutted against for the leading flank circumference with negative lens D in zoom microscope base, after the first zoom microscope base
End is provided with the annular protrusion abutted against for the trailing flank circumference of negative lens E, and the rear portion of the first zoom microscope base, which is provided with, to be used for
The second pressing ring of negative lens E is locked, the L-type slot is set on the lateral wall at the first zoom microscope base rear portion.
Further, 7 ° of times of mirrors include inner cavity it is hour-glass in shape double microscope base, described double enters in microscope base along light
It penetrates direction and is disposed with the positive lens F positioned at forward chamber, positive lens G, negative lens H and positioned at back side chamber from front to back
Positive lens I, the airspace between the positive lens F and positive lens G are 19.8mm, the airspace of positive lens G and negative lens H
For 0.5mm, the airspace between negative lens H and positive lens I is 31.8mm.
It is further, described to double the third pressing ring for being provided in microscope base and abutting against for the front side circumference with positive lens F,
It doubles in microscope base and is provided with third spacer ring between positive lens F and positive lens G, double and be located at positive lens G in microscope base and bear saturating
It is provided with the 4th spacer ring between mirror H, doubles the limit rank being provided in microscope base for abutting against with the circumference of the trailing flank negative lens H
Face, the back side chamber for doubling microscope base are provided with the 4th pressing ring for locking positive lens I, and the L-type slot, which is set to, to be doubled
On the lateral wall at microscope base rear portion.
Further, 46 ° of times of mirrors include the second I-shaped zoom microscope base of shape, light in the second zoom microscope base
Line incident direction is disposed with negative lens J, positive lens K from front to back, between the air between the negative lens J and positive lens K
It is divided into 25mm.
Further, it is provided with to be provided with for the leading flank circumference with negative lens J in the second zoom microscope base and offset
The 5th pressing ring connect, the second zoom microscope base is interior to be provided with the 5th spacer ring, the second zoom microscope base between negative lens J, positive lens K
Back side chamber be provided with the annular protrusion abutted against for the trailing flank circumference with positive lens K, the L-type slot is set to second
On the lateral wall at zoom microscope base rear portion.
Compared with prior art, the utility model has the advantage that the lens construction is compact, and replaceable times of mirror makes
Investigative range is wide, a set of basic mirror is economical and practical with multiple times of mirrors, can manual focusing the advantages that.It can be with LWIR Uncooled
384 × 288,17 μm of detector adaptations, carry out document recording and monitor task, and cost of manufacture is cheap, is suitble to large-scale production.
Detailed description of the invention
Fig. 1 is the optical lens mechanical structure schematic diagram of the utility model basis mirror；
Fig. 2 is the schematic diagram of optical system of the utility model basis mirror；
Fig. 3 is the appearance diagram of the utility model basis mirror；
Fig. 4 is the mechanical structure schematic diagram of 7 ° of times of mirrors of the utility model；
Fig. 5 is the schematic diagram of optical system of 7 ° of times of mirrors of the utility model；
Fig. 6 is that the utility model basis mirror installs the appearance diagram after 7 ° of times of mirrors；
Fig. 7 is the mechanical structure schematic diagram of 12 ° of times of mirrors of the utility model；
Fig. 8 is the schematic diagram of optical system of 12 ° of times of mirrors of the utility model；
Fig. 9 is that the utility model basis mirror installs the appearance diagram after 12 ° of times of mirrors；
Figure 10 is the mechanical structure schematic diagram of 46 ° of times of mirrors of the utility model；
Figure 11 is the schematic diagram of optical system of 46 ° of times of mirrors of the utility model；
Figure 12 is that the utility model basis mirror installs the appearance diagram after 46 ° of times of mirrors；
Figure 13 is the utility model times mirror mounting groove landing state figure；
Figure 14 is the utility model times mirror mounting groove usage state diagram；
In figure: A- negative lens A, B- negative lens B, C- positive lens C, D- positive lens D, E- negative lens E, F- positive lens, G- is just
Lens, H- negative lens, I- positive lens I, J- negative lens J, K- positive lens K, 1-12 ° times of mirror, 2-7 ° times of mirror, 3-46 ° times of mirror, 4- master
Lens barrel, 5- focusing ring, 6- attachment base, 7- microscope base, pressing ring after 8-, the second spacer ring of 9-, 10- guide pin, 11- cam, 12- bead spiral shell
Silk, 13- stop screw, the first spacer ring of 14-；The first pressing ring of 15-, 16- terrace, 17- the first zoom microscope base, 18- annular protrusion,
The second pressing ring of 19-；20- third pressing ring, 22- third spacer ring, the 4th spacer ring of 24-, the 4th pressing ring of 25-, 26- limit terrace, and 27- increases
Times microscope base, the 5th pressing ring of 29-, the 5th spacer ring of 31-, 32- annular protrusion, 33- the second zoom microscope base, 34-L type groove.Specific implementation
Mode
In order to make the above-mentioned features and advantages of the utility model more obvious and understandable, special embodiment below, and cooperate attached drawing,
It is described in detail below, but the utility model is not limited to this.
Referring to figs. 1 to Figure 14
A kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens of structure, including basic mirror and three zoom mirrors, the basis mirror
Including body tube 3, it is provided with microscope base 6 in the back side chamber of the body tube, along light incident direction from forward direction in the microscope base
After be disposed with negative lens A, bear border B, positive lens C, the side wall of the body tube forward chamber circumferentially spaced three set
It is equipped with axial bead screw 12, to guarantee the stability of whole system.Cam 11, the cam peripheral hardware are equipped with outside body tube
Be equipped with focusing ring 4, with will pass through can be manually rotated focusing ring adjustment focus to the object of different object distances, wherein focusing ring be rubber
Glue die sinking, and have garland processing on surface, it ensure that the feel of focusing.The rear end of the body tube is additionally provided with attachment base 5, with
Just it is connected with video camera.The forward chamber of body tube and be located at cam 11 downside be radially equipped with for be set to it is each
The stop screw 13 that L-type slot 34 on zoom mirror is connected, the L-type slot on stop screw and times mirror meet the disassembly group of times mirror
Path movement when dress can be manually rotated zoom mirror and basic mirror completion connection will pass through.
In the present embodiment, bead screw bead in stress can be retracted, and bead is sprung back after pressure removes.
Radially it is equipped with that upper end is connected with cam and lower end is connected with microscope base in the present embodiment, on the body tube
Guide pin 10 ensure that the stability of focusing.The front end of the microscope base is provided with the annular protrusion for negative lens A limit, microscope base
It is interior to be located at negative lens A and bear and be provided with the first spacer ring 14 between the B of border, it is located to bear in microscope base and is arranged between border B and positive lens C
There is the second spacer ring 9, the rear end of microscope base is bolted with the rear pressing ring 7 for positive lens C limit.
In the present embodiment, the airspace between the negative lens A and negative lens B is 3.3mm, negative lens B and positive lens C
Between airspace be 4.6mm.
In the present embodiment, under the premise of guaranteeing compact-sized, camera lens vibration resistance is improved, the ability of impact takes cam
The structure of focusing guarantees system requirement.
In the present embodiment, the optical texture that above-mentioned lens set is constituted has reached following optical index:
Service band: 8 μm -12 μm；
Focal length: f '=15mm；
Detector: 384 × 288,17 μm of LWIR Uncooled type；
Field angle: 25 ° × 19 °；
Relative aperture D/ f ': 1/1.
In the present embodiment, three zoom mirrors are respectively 1,7 ° of 12 ° of times of mirrors, 2,46 ° of times mirror times mirror 3.
In the present embodiment, 12 ° of times of mirrors include inner cavity into the first horn-like zoom microscope base 17, the first zoom mirror
Negative lens D and negative lens E are provided with from front to back along light incident direction in seat, between the air between negative lens D and negative lens E
Every being 20.3mm.
In the present embodiment, it is provided in the first zoom microscope base and abuts against for the trailing flank circumference with negative lens D
Terrace 16 is provided with the first pressing ring 15 abutted against for the leading flank circumference with negative lens D, the first zoom mirror in zoom microscope base
The rear end of seat is provided with the annular protrusion 18 abutted against for the trailing flank circumference of negative lens E, and the rear portion of the first zoom microscope base is set
It is equipped with the second pressing ring 19 for locking negative lens E, the L-type slot is set on the lateral wall at the first zoom microscope base rear portion.
In the present embodiment, 7 ° of times of mirrors include inner cavity it is hour-glass in shape double microscope base 27, it is described to double in microscope base along light
Line incident direction is disposed with the positive lens F positioned at forward chamber, positive lens G, negative lens H from front to back and is located at rear chamber
The positive lens I of room, the airspace between the positive lens F and positive lens G are 19.8mm, the air of positive lens G and negative lens H
Between be divided into 0.5mm, the airspace between negative lens H and positive lens I be 31.8mm.
It is described to double the third pressure for being provided in microscope base and abutting against for the front side circumference with positive lens F in the present embodiment
Circle 20 doubles in microscope base and is provided with third spacer ring 22 between positive lens F and positive lens G, doubles and is located at positive lens G in microscope base
It is provided with the 4th spacer ring 24 between negative lens H, doubles and is provided in microscope base for being abutted against with the circumference of the trailing flank negative lens H
Limit terrace 26, the back side chamber for doubling microscope base is provided with the 4th pressing ring 25 for locking positive lens I, the L-type
Slot is set on the lateral wall for doubling microscope base rear portion.
In the present embodiment, 46 ° of times of mirrors include the second I-shaped zoom microscope base 33 of shape, the second zoom microscope base
Interior light incident direction is disposed with negative lens J, positive lens K, the sky between the negative lens J and positive lens K from front to back
It is divided into 25mm between gas, is provided with to be provided with for the leading flank circumference with negative lens J in the second zoom microscope base and abuts against
5th pressing ring 29, the second zoom microscope base is interior to be provided with the 5th spacer ring 31, the second zoom microscope base between negative lens J, positive lens K
Back side chamber be provided with the annular protrusion 32 abutted against for the trailing flank circumference with positive lens K, the L-type slot is set to
On the lateral wall at two zoom microscope base rear portions.
In the present embodiment, each eyeglass design parameter is as follows:
。
The band doubles the assembly method of the hand-adjusting type LONG WAVE INFRARED camera lens of structure: allowing L-type slot and limit spiral shell on zoom mirror
It follows closely corresponding, is located at stop screw among L-type slot；It will be in the forward chamber of the rear end insertion body tube of zoom mirror；Rotation becomes
Times mirror is completed to connect by zoom mirror and basic mirror, is installed rear bead screw rebound so that stop screw and L-type slot inner wall phase
It mutually squeezes, plays the role of fixed zoom mirror.
The above is only the preferred embodiment of the present invention, it is all done according to present utility model application the scope of the patents it is equal
Deng variation and modification, it should all belong to the covering scope of the utility model.
Claims (10)
1. a kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens of structure, including basic mirror and three zoom mirrors, which is characterized in that institute
Stating basic mirror includes body tube, and microscope base is provided in the back side chamber of the body tube, and the microscope base is interior along light incident direction
It is disposed with negative lens A from front to back, bears border B, positive lens C, the side wall of the body tube forward chamber is circumferentially spaced
It is provided with axial bead screw, cam is equipped with outside body tube, focusing ring, the rear end of the body tube are provided with outside the cam
Be additionally provided with attachment base, the forward chamber of body tube and the downside for being located at cam be radially equipped with for be set to zoom mirror
The stop screw that is connected of L-type slot.
2. the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band according to claim 1 doubles structure, which is characterized in that the master
The guide pin that upper end is connected with cam and lower end is connected with microscope base is radially equipped on lens barrel, the front end of the microscope base is provided with
It is located at negative lens A for the annular protrusion of negative lens A limit, in microscope base and bears and be provided with the first spacer ring between the B of border, in microscope base
The second spacer ring is provided between border B and positive lens C positioned at bearing, the rear end of microscope base is bolted with the rear pressure for positive lens C limit
Circle.
3. the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band according to claim 1 or 2 doubles structure, which is characterized in that institute
The airspace stated between negative lens A and negative lens B is 3.3mm, and the airspace between negative lens B and positive lens C is
4.6mm。
4. the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band according to claim 1 or 2 doubles structure, which is characterized in that three
A zoom mirror is respectively 12 ° of times of mirrors, 7 ° of times of mirrors, 46 ° of times of mirrors.
5. the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band according to claim 4 doubles structure, which is characterized in that described
12 ° of times of mirrors include inner cavity into the first horn-like zoom microscope base, along light incident direction from forward direction in the first zoom microscope base
After be provided with negative lens D and negative lens E, the airspace between negative lens D and negative lens E is 20.3mm.
6. the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band according to claim 5 doubles structure, which is characterized in that described
It is provided with the terrace abutted against for the trailing flank circumference with negative lens D in one zoom microscope base, is provided with and is used in zoom microscope base
The rear end of the first pressing ring abutted against with the leading flank circumference of negative lens D, the first zoom microscope base is provided with for after negative lens E
The annular protrusion that side circumference abuts against, the rear portion of the first zoom microscope base are provided with the second pressing ring for locking negative lens E, institute
L-type slot is stated to be set on the lateral wall at the first zoom microscope base rear portion.
7. the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band according to claim 4 doubles structure, which is characterized in that described 7 °
Times mirror include inner cavity it is hour-glass in shape double microscope base, described double is disposed in microscope base along light incident direction from front to back
Positioned at the positive lens F of forward chamber, positive lens G, negative lens H and positioned at the positive lens I, the positive lens F and just of back side chamber
Airspace between lens G is that the airspace of 19.8mm, positive lens G and negative lens H are 0.5mm, negative lens H and positive lens
Airspace between I is 31.8mm.
8. the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band according to claim 7 doubles structure, which is characterized in that the increasing
Be provided with the third pressing ring abutted against for the front side circumference with positive lens F in times microscope base, double be located in microscope base positive lens F and
It is provided with third spacer ring between positive lens G, doubles in microscope base and is provided with the 4th spacer ring between positive lens G and negative lens H, increases
The limit terrace for abutting against with the circumference of the trailing flank negative lens H, the rear chamber for doubling microscope base are provided in times microscope base
Room is provided with the 4th pressing ring for locking positive lens I, and the L-type slot is set on the lateral wall for doubling microscope base rear portion.
9. the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band according to claim 4 doubles structure, which is characterized in that described
46 ° of times of mirrors include the second I-shaped zoom microscope base of shape, in the second zoom microscope base light incident direction from front to back according to
Secondary to be provided with negative lens J, positive lens K, the airspace between the negative lens J and positive lens K is 25mm.
10. the hand-adjusting type LONG WAVE INFRARED camera lens that a kind of band according to claim 9 doubles structure, which is characterized in that described
It is provided in second zoom microscope base and the leading flank circumference with negative lens J is provided with the 5th pressing ring abutted against, the second zoom
The 5th spacer ring is provided between negative lens J, positive lens K in microscope base, the back side chamber of the second zoom microscope base, which is provided with, to be used for
The annular protrusion abutted against with the trailing flank circumference of positive lens K, the L-type slot are set to the lateral wall at the second zoom microscope base rear portion
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224127.8U CN209343034U (en) | 2018-12-28 | 2018-12-28 | A kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens of structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822224127.8U CN209343034U (en) | 2018-12-28 | 2018-12-28 | A kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens of structure |
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| Publication Number | Publication Date |
|---|---|
| CN209343034U true CN209343034U (en) | 2019-09-03 |
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| CN201822224127.8U Active CN209343034U (en) | 2018-12-28 | 2018-12-28 | A kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens of structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471250A (en) * | 2018-12-28 | 2019-03-15 | 福建福光天瞳光学有限公司 | A kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens and its assembly method of structure |
-
2018
- 2018-12-28 CN CN201822224127.8U patent/CN209343034U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109471250A (en) * | 2018-12-28 | 2019-03-15 | 福建福光天瞳光学有限公司 | A kind of band doubles the hand-adjusting type LONG WAVE INFRARED camera lens and its assembly method of structure |
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