CN203872257U - Lens seat with internally-arranged light filtering sheet and monitoring camera using lens seat - Google Patents
Lens seat with internally-arranged light filtering sheet and monitoring camera using lens seat Download PDFInfo
- Publication number
- CN203872257U CN203872257U CN201420211822.XU CN201420211822U CN203872257U CN 203872257 U CN203872257 U CN 203872257U CN 201420211822 U CN201420211822 U CN 201420211822U CN 203872257 U CN203872257 U CN 203872257U
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- China
- Prior art keywords
- filter
- lens
- camera lens
- imageing sensor
- proof structure
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- Expired - Lifetime
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- 238000001914 filtration Methods 0.000 title abstract description 13
- 238000012544 monitoring process Methods 0.000 title abstract description 4
- 239000003292 glue Substances 0.000 claims description 32
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000004026 adhesive bonding Methods 0.000 abstract description 3
- 238000003384 imaging method Methods 0.000 abstract 1
- 238000002834 transmittance Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Blocking Light For Cameras (AREA)
Abstract
The utility model discloses a lens seat with internally-arranged a light filtering sheet and a monitoring camera using the lens seat. The lens seat comprises a lens cavity and an image sensor storing cavity; a focusing fool-proof structure is arranged between the lens cavity and the image sensor storing cavity; a light filtering sheet placing groove is arranged in one side, near the image sensor storing cavity, of the focusing fool-proof structure; and the light filtering sheet is arranged in the light filtering sheet placing groove. The utility model also discloses a camera using the lens seat. According to the utility model, it is achieved that gluing and fixation of the light filtering sheet are finished in the lens seat; a problem of poor smoothness of the light filtering sheet caused by gluing is effectively prevented; and imaging quality and light transmittance will not be effected. The lens seat and the monitoring camera are low in scrap cost, easy to repair and usable cooperated with lens and image sensors from different manufacturers.
Description
Technical field
The utility model belongs to CCTV camera technical field, relates in particular to a kind of lens mount of built-in filter and uses the CCTV camera of this lens mount.
Background technology
Because the imageing sensor (CCD or CMOS) of CCTV camera is different from human eye to the reaction of color, they can detect the light of wavelength beyond the visible-range, and the color that the image that causes forming presents does not meet the sensation of human eye.Therefore,, in order to make the colors of image of CCTV camera shooting meet the sensation of human eye, can between monitoring camera lens and imageing sensor, increase the two optical filtering switchs of an IR-CUT.But the two optical filtering switch costs of IR-CUT are higher, complex structure, reliability is lower.Colour TV camera is general simultaneously only need to complete the monitor task on daytime, therefore only needs configuration to be applicable to the filter on daytime, and this filter disturbs for filtering infrared light.Single filter design not only can realize cost and decline to a great extent, also because it is simple in structure, only need filter to be affixed in fixed structure piece, improved the reliability of filter part, therefore the colour TV camera of prior art all only configures single filter, and does not configure the two optical filtering switchs of IR-CUT.
The method that the CCTV camera of prior art configures single filter has following three kinds, first method is to use automatic dispensing machine first in image sensor surface, to put some optics UV glue, place a few minutes after glue levelling, then on glue face, place filter, finally cross UV stove and solidify; Second method is first filter to be placed into image sensor surface, then manually at filter both sides and imageing sensor contact area point glue, finally crosses UV stove and solidifies; The third method is in camera lens bottom, to find at symmetrical 3 to carry out a glue, then filter is affixed on to camera lens bottom.
But above-mentioned three kinds of methods all have shortcoming separately, the shortcoming of method one is that a glue difficulty is large, filter poor flatness, in some glue process, may there is existing between filter and imageing sensor bubble, glue can reduce integral light-transmitting performance, filter is reprocessed also difficulty together with imageing sensor bonding, and scrap cost is high; The shortcoming of method two is that a glue difficulty is large, for convenient some glue can be used larger filter conventionally, indirectly raises the cost, and filter is reprocessed also difficulty together with imageing sensor bonding, and scrap cost is high; The shortcoming of method three is that different camera lens polycrystalline substances are different, cause the method restricted application, and general camera lens bottom is glue space, pre-stationary point specially not also, once and change camera lens and just need to upgrade gluing process, more complicated, and filter point glue difficulty is large, box filter tilts to cause certain corner to exceed camera lens bottom safe range a little, thereby in assembling process, damages filter.
Summary of the invention
The purpose of this utility model is just to provide a kind of lens mount of built-in filter and uses the CCTV camera of this lens mount, filter can embed in lens mount, has solved filter and on imageing sensor or camera lens, has put the problems such as glue difficulty is large, weak effect, scrap cost height.
To achieve these goals, technical solutions of the utility model are as follows:
A kind of lens mount of built-in filter, comprise the camera lens chamber and the imageing sensor containing cavity that are connected, the coupling part of described camera lens chamber and imageing sensor containing cavity is provided with focusing error-proof structure, and described focusing error-proof structure is provided with filter near a side of described imageing sensor containing cavity and places described in groove filter and place in groove and be provided with filter.
Further, described focusing error-proof structure is the inside ennation in the coupling part of described camera lens chamber and imageing sensor containing cavity, has light hole in the middle of described focusing error-proof structure.Played lens focusing fool proof effect, also effectively overexerted during evasive action personnel rotating lens and damage the situation of filter.
Further, size and the camera lens of described light hole match, and are less than the externally threaded diameter of camera lens.Light enters camera lens by light hole, does not affect the light penetration of camera lens.
Further, it is rectangular recess that described filter is placed groove, and its length of side is greater than the aperture of described light hole, for placing filter.Assurance enters all filtrations of mating plate after filtration of light of light hole, improves the authenticity that CCTV camera gathers picture.
Further, described filter is placed between groove and filter and is arranged and have a glue gap.Can determine exactly some glue position at a glue gap location, and in lens mount, carry out a glue.
The utility model has also proposed to adopt the CCTV camera of above-mentioned lens mount: it comprises the lens mount of built-in filter, described lens mount comprises camera lens chamber and the imageing sensor containing cavity being connected, it is characterized in that, the coupling part of described camera lens chamber and imageing sensor containing cavity is provided with focusing error-proof structure, described focusing error-proof structure is provided with filter placement groove near a side of described imageing sensor containing cavity, and described filter is placed in groove and is provided with filter.
The lens mount of the built-in filter the utility model proposes and use the CCTV camera of this lens mount, the camera lens chamber of the lens mount of this built-in filter and the coupling part of imageing sensor containing cavity are provided with focusing error-proof structure, for lens focusing fool proof, in the time of also can evasive action personnel rotating lens, overexert and damage the situation of filter.Described focusing error-proof structure is provided with filter near a side of imageing sensor containing cavity and places groove, for fixing filter.This filter is placed between groove and filter, to arrange to have a glue gap, the design to realize in lens mount, to complete filter point glue and is fixed, the bad problem of filter evenness of effectively having avoided prior art dispensing technology to cause.And this glue mode a small amount of bubble that can not produce once in a while because of a Jiao Chu and affect image quality, and between imageing sensor, camera lens and filter three without glue isolation, can not affect light penetration.Place the groove structure design of filter in lens mount, play fixation, can avoid between filter and lens mount, relative displacement occurring in a glue process, improved some glue efficiency.Scrap cost is also low, reprocesses conveniently, directly changes lens mount (built-in filter), without monoblock imageing sensor is dismantled.Compatible type is good, and the M12 camera lens of most of different manufacturers of can arranging in pairs or groups and imageing sensor use.
Accompanying drawing explanation
Fig. 1 is the structural representation of lens mount of the present utility model.
Fig. 2 is the profile of lens mount of the present utility model.
Fig. 3 is the some glue gap schematic diagram that filter of the present utility model is placed groove.
In figure, description of reference numerals is as follows: 1, camera lens chamber, 2, imageing sensor containing cavity, 3, focusing error-proof structure, 4, filter places groove, 5, some glue gap, 6, filter, 7, installation portion, 8, through hole is installed.
Embodiment
Below in conjunction with drawings and Examples, technical solutions of the utility model are described in further details, following examples do not form restriction of the present utility model.
The lens mount of the built-in filter of the utility model as shown in Figure 1, this lens mount is for CCTV camera.It comprises camera lens chamber 1 and the imageing sensor containing cavity 2 being connected.
Camera lens chamber 1 is cylindrical cavity, and cavity and camera lens match, and in the cavity in this camera lens chamber 1, is provided with internal thread.And camera lens is provided with external screw thread conventionally, the internal thread in this camera lens chamber 1 with match with the external screw thread of camera lens, be convenient to camera lens to be screwed into camera lens chamber 1, closely screw togather.
Imageing sensor containing cavity 2 is a rectangular cavities, for holding imageing sensor.Its arranged outside has two symmetrical installation portions 7, is respectively arranged with through hole 8 is installed on these two installation portions 7, is convenient to by bolted on the casing of CCTV camera.
The lens mount profile of the built-in filter of the utility model as shown in Figure 2, wherein the coupling part of camera lens chamber 1 and imageing sensor containing cavity 2 extends internally and forms focusing error-proof structure 3, in the middle of this focusing error-proof structure 3, have light hole, size and the camera lens of this light hole match, be less than the externally threaded diameter of camera lens, can make the complete incident of light by camera lens.This focusing error-proof structure 3 is annular bottom surface baffle plate of interior formation in camera lens chamber 1, can stop camera lens to be screwed in the situation that overexerting downwards, played lens focusing fool proof effect, also can not be screwed into downwards because of the continuation of camera lens simultaneously and damage filter 6 and the imageing sensor that install bottom.
This focusing error-proof structure 3 is provided with filter placement groove 4 near a side of imageing sensor containing cavity 2, it is rectangular recess that this filter is placed groove 4, its length of side is greater than the aperture of light hole, for placing filter 6, thereby enters imageing sensor after making incident light by filter 6.
The filter 6 general due to industry is of a size of 8.8mm*8.2mm, and filter placement groove 4 is rectangular recess, its size is greater than filter 6 sizes, it is 9 millimeters that the present embodiment arranges its width, be highly 0.3 millimeter, play the fixedly effect of filter 6, effectively avoid because the relative displacement problem with lens mount occurs filter 6 smooth surfaces.
Filter is as shown in Figure 3 placed the some glue gap schematic diagram of groove, filter 6 embeds the filter of rectangle and places after groove 4, two groups of opposite side of filter 6 and filter are placed groove 4 and are formed two groups of gaps, and one group of opposite side gap is 0.2 millimeter, and another group is 0.8 millimeter.The larger glue gap, one group of opposite side gap location set-point 5 in gap, puts respectively glue.This glue mode is simple, easy to operate, the problems that filter 6 is directly affixed on bottom camera lens or image sensor surface is brought have been reduced, the scrap cost of some glue error is low, and this lens mount cost is only 1/tens of imageing sensor or camera lens, and even more than one percent.
The utility model has also proposed to use the CCTV camera of above-mentioned lens mount, adopts the CCTV camera of above-mentioned lens mount to reprocess conveniently, directly changes lens mount (built-in filter 6), without monoblock imageing sensor is dismantled.Simultaneously compatible good, M12 camera lens and the imageing sensor of most of producers of can arranging in pairs or groups.
Above embodiment is only in order to the technical solution of the utility model to be described but not be limited; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. the lens mount of a built-in filter, comprise the camera lens chamber (1) and the imageing sensor containing cavity (2) that are connected, it is characterized in that, the coupling part of described camera lens chamber (1) and imageing sensor containing cavity (2) is provided with focusing error-proof structure (3), described focusing error-proof structure (3) is provided with filter placement groove (4) near a side of described imageing sensor containing cavity (2), and described filter is placed in groove (4) and is provided with filter (6).
2. the lens mount of built-in filter according to claim 1, it is characterized in that, described focusing error-proof structure (3) is the inside ennation in the coupling part of described camera lens chamber (1) and imageing sensor containing cavity (2), has light hole in the middle of described focusing error-proof structure (3).
3. the lens mount of built-in filter according to claim 2, is characterized in that, size and the camera lens of described light hole match, and is less than the externally threaded diameter of camera lens.
4. the lens mount of built-in filter according to claim 3, is characterized in that, it is rectangular recess that described filter is placed groove (4), and its length of side is greater than the aperture of described light hole, for placing filter (6).
5. lens mount according to claim 1, is characterized in that, described filter is placed between groove (4) and filter (6) and arranged and have a glue gap (5).
6. a CCTV camera, it comprises the lens mount of built-in filter, described lens mount comprises camera lens chamber (1) and the imageing sensor containing cavity (2) being connected, it is characterized in that, the coupling part of described camera lens chamber (1) and imageing sensor containing cavity (2) is provided with focusing error-proof structure (3), described focusing error-proof structure (3) is provided with filter placement groove (4) near a side of described imageing sensor containing cavity (2), and described filter is placed in groove (4) and is provided with filter (6).
7. CCTV camera according to claim 6, it is characterized in that, described focusing error-proof structure (3) is the inside ennation in the coupling part of described camera lens chamber (1) and imageing sensor containing cavity (2), has light hole in the middle of described focusing error-proof structure (3).
8. CCTV camera according to claim 7, is characterized in that, size and the camera lens of described light hole match, and is less than the externally threaded diameter of camera lens.
9. CCTV camera according to claim 8, is characterized in that, it is rectangular recess that described filter is placed groove (4), and its length of side is greater than the aperture of described light hole, for placing filter (6).
10. CCTV camera according to claim 6, is characterized in that, described filter is placed between groove (4) and filter (6) and arranged and have a glue gap (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211822.XU CN203872257U (en) | 2014-04-28 | 2014-04-28 | Lens seat with internally-arranged light filtering sheet and monitoring camera using lens seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420211822.XU CN203872257U (en) | 2014-04-28 | 2014-04-28 | Lens seat with internally-arranged light filtering sheet and monitoring camera using lens seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203872257U true CN203872257U (en) | 2014-10-08 |
Family
ID=51653176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420211822.XU Expired - Lifetime CN203872257U (en) | 2014-04-28 | 2014-04-28 | Lens seat with internally-arranged light filtering sheet and monitoring camera using lens seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203872257U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880888A (en) * | 2015-05-21 | 2015-09-02 | 福建新大陆电脑股份有限公司 | Integrated bar code shooting device |
| CN109239826A (en) * | 2018-11-02 | 2019-01-18 | 广州市皓品信息科技有限公司 | A kind of lens assembly improving skin image capture precision |
-
2014
- 2014-04-28 CN CN201420211822.XU patent/CN203872257U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104880888A (en) * | 2015-05-21 | 2015-09-02 | 福建新大陆电脑股份有限公司 | Integrated bar code shooting device |
| CN109239826A (en) * | 2018-11-02 | 2019-01-18 | 广州市皓品信息科技有限公司 | A kind of lens assembly improving skin image capture precision |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141008 |