CN201491129U - Camera with day and night switching filters - Google Patents
Camera with day and night switching filters Download PDFInfo
- Publication number
- CN201491129U CN201491129U CN200920204261XU CN200920204261U CN201491129U CN 201491129 U CN201491129 U CN 201491129U CN 200920204261X U CN200920204261X U CN 200920204261XU CN 200920204261 U CN200920204261 U CN 200920204261U CN 201491129 U CN201491129 U CN 201491129U
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- day
- night
- camera
- filter disc
- main board
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Abstract
The utility model relates to a camera with day and night switching filters, comprising a camera body, a circuit mainboard, a lens and a day and night automatic switching filter system, wherein the circuit mainboard is arranged in the space of the inner part of the body; the lens is embedded in the body; the day and night automatic switching filter system is connected with the circuit mainboard, and comprises a day filter and a night filter; and the filters are arranged relative to the front end of the lens. The camera with day and night switching filters has the function of automatic model switch, can automatically switch a day mode or a night mode, and can reach the purposes of color rendition, selective light transmission and screen brightness enhancement in the dark environment so as to obtain images with better screen quality. The camera with day and night switching filters does not need fixed focus after nonrecurring set, has simple use, easy operation and proper price, and is beneficial to widespread use in large scale.
Description
Technical field
The utility model relates to a kind of camera, relates in particular to a kind of camera that day and night switches filter disc that has.
Background technology
Camera does not on the market have at night under the environment of light at present, because it relies on light to reflect imaging, if there is not light, its image can only be as dark as a stack of black cats, adds a lot of snowflakes.How to obtain image? a kind of method is to add visible illumination, as street lamp and searchlight etc.; Another kind is to add infrared lamp, and particularly requirement can not be installed the occasion of visible light source.The method that adds visible light, the place that may be inconvenient to add light source under the low-light (level) environment or be not suitable for adding light source can't be used, add the method for infrared lamp, there is not condition to add the place of light source at some, as outdoor or large stretch of vacant lot is arranged, will add under the environment that light source is difficult to, with the infrared lamp effect is not very desirable just, and costs an arm and a leg, and therefore this method also can't be implemented.In this case, the image effect that comes out of camera is just very poor.
The utility model content
The purpose of this utility model is, a kind of camera that day and night switches filter disc that has is provided, and can be applicable to daytime or night simultaneously, even under night rather dark environment, also can obtain the pretty good image of image quality.
For achieving the above object, of the present utility model have the camera that day and night switches filter disc and comprise: camera body, circuit main board, camera lens and a filter system that day and night automaticallyes switch; Described circuit main board is located at the body interior space, and camera lens is embedded on this body, and the described filter system that day and night automaticallyes switch is connected with circuit main board, and it comprises that filter disc reaches filter disc in one night between one day, and this filter disc is provided with respect to described camera lens front end.
Be provided with light-inductive circuit and automatic switch-over circuit in the described filter system that day and night automaticallyes switch, this automatic switch-over circuit and circuit main board electrically connect.
Be connected with a differential transfer converter on the described circuit main board.
Described camera body is provided with the twisted-pair feeder interface, and twisted-pair feeder links to each other with described differential transfer converter by this interface.
Be electrically connected with two voltage input modules on the described circuit main board, this pair voltage input module correspondence is provided with two voltage input end mouths.
Described pair of voltage input end mouth is located at the camera body exterior, the external interchange of this port 24V voltage or direct current 12V voltage.
The beneficial effects of the utility model: of the present utility model have a camera that day and night switches filter disc, has the automatic mode handoff functionality, can automatically switch in the daytime or Night, can reach color rendition, selectivity printing opacity, in darker environment, improve picture brightness to obtain the purpose of image quality better image, after having that the camera that day and night switches filter disc is disposable and set, this need not focus again, use simple to operationly, and moderate cost helps generally using on a large scale; Simultaneously, this camera adopts the twisted-pair feeder mode that audio signal is transmitted, and wiring is convenient, cable utilance height, and its long transmission distance, transmission quality height have the strong characteristics of antijamming capability simultaneously; In addition, the utility model camera is also supported the duplicate supply input mode, its highly versatile, the selection of convenient different supply power modes.
In order further to understand feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet accompanying drawing only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
Description of drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effect apparent by embodiment of the present utility model is described in detail.
Fig. 1 is the structural representation that the utlity model has the camera that day and night switches filter disc.
Embodiment
For further setting forth technological means and the effect thereof that the utility model is taked, be described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.
As shown in Figure 1, of the present utility model have the camera that day and night switches filter disc and comprise: camera body 1, circuit main board 2, camera lens 3 and a filter system 4 that day and night automaticallyes switch; Described circuit main board 2 is located at body 1 inner space, camera lens 3 is embedded on this body 1, the described filter system 4 that day and night automaticallyes switch is connected with circuit main board 2, and it comprises that filter disc reaches filter disc (not shown) in one night between one day, and this filter disc is with respect to described camera lens 3 front end settings.
Further, be provided with light-inductive circuit and automatic switch-over circuit in the described automatic switchover filter system 4, this automatic switch-over circuit and circuit main board 2 electrically connect.This light-inductive circuit is the induction light line strength at any time, judges that this moment, light intensity belonged in the daytime or Night, and automatic switch-over circuit is according to the judgement of light-inductive circuit, carries out in the daytime automatically or the switching of Night.If the light-inductive circuit inductance is higher than a certain scope to light intensity, this moment, light intensity belonged to a day inter mode, then automatic switch-over circuit between controll day filter disc block front end at camera lens 3, the non-visible light of this filter disc filtering in the daytime from the light of camera lens 3 transmissions, the colour cast of avoiding non-visible light to produce is to obtain the image quality better image; If the light-inductive circuit inductance to light intensity be lower than a certain scope, this moment, light intensity belonged to Night, then automatic switch-over circuit control filter disc at night blocks the front end at camera lens 3, this filter disc permission at night infrared light sees through, utilize the near infrared ray imaging, be implemented in night light than the purpose that still can obtain in the dark situation than picture rich in detail.
As a kind of preferred embodiment of the present utility model, described camera lens 3 can adopt automatic diaphragm lens.This automatic diaphragm lens has adopted up-to-date optical design method and special advanced technologies such as optical glass material, has eliminated the focal plane shift of visible light and infrared light.Therefore the light from visible region to the infrared light district can be realized sharp keen image in the imaging of same position of focal plane.And need not focus again after its disposable setting, more convenient to use easy to operate.When camera lens is installed under possible condition, consider that installation is not less than 1/2 inch camera lens, image can not produce dark angle so on the one hand, on the other hand, can strengthen photosensitive area and promote the effect at night, in order to avoid adopt little size camera lens to cause unnecessary waste.
As a kind of preferred embodiment of the present utility model, on described circuit main board 2, be connected with a differential transfer transducer 5, camera body 1 is provided with twisted-pair feeder interface 6, and twisted-pair feeder links to each other with described differential transfer converter 5 by this interface 6.Utilize the differential transfer principle, this differential transfer transducer 5 equates the conventional video signals that spreads out of on the circuit main board 2 amplitude that is transformed into, opposite polarity vision signal, after the twisted-pair feeder transmission, at receiving terminal two opposite polarity vision signals are subtracted each other and to become traditional vision signal, this process can effectively suppress common mode disturbances, even under strong interference environment, its antijamming capability is good more than coaxial cable, same netting twine can not disturb each other, and adopt the twisted-pair feeder transmission means, it connects up convenient, long transmission distance, the transmission quality height, cable utilance height.
As another kind of selectivity embodiment of the present utility model, on described circuit main board 2, be electrically connected with two voltage input modules 7, this pair voltage input module 7 correspondences are provided with two voltage input end mouths 8.This pair voltage input end mouth 8 is located at camera body 1 outside, can external interchange 24V voltage or direct current 12V voltage by this port.Owing to adopt the dual power supply pattern of supporting, can select suitable power supply easily, when a kind of power supply power supply is broken down, can use another kind of power supply power supply instead, its versatility is stronger, and can 24 hours uninterrupted power supplies, guarantee this camera can have a power failure or outdoor non-transformer situation under continue operate as normal.
In sum, the camera that day and night switches filter disc that the utility model provides, has the automatic mode handoff functionality, can switch automatically in the daytime or Night, can be applicable to daytime or night simultaneously, reach color rendition, selectivity printing opacity, in darker environment, improve picture brightness obtaining the purpose of image quality better image, and it does not need to focus again, use simple to operation; Simultaneously, this camera adopts the twisted-pair feeder transmission means, and wiring is convenient, cable utilance height, and its long transmission distance, transmission quality height also have the strong characteristics of antijamming capability; In addition, the utility model camera is also supported the duplicate supply input mode, its highly versatile, the selection of convenient different supply power modes.
The above; for the person of ordinary skill of the art; can make other various corresponding changes and distortion according to the technical solution of the utility model and technical conceive, and all these changes and distortion all should belong to the protection range of the utility model accompanying Claim.
Claims (6)
1. one kind has the camera that day and night switches filter disc, it is characterized in that, comprises camera body, circuit main board, camera lens and a filter system that day and night automaticallyes switch; Described circuit main board is located at the body interior space, and camera lens is embedded on this body, and the described filter system that day and night automaticallyes switch is connected with circuit main board, and it comprises that filter disc reaches filter disc in one night between one day, and this filter disc is provided with respect to described camera lens front end.
2. as claimed in claim 1 have a camera that day and night switches filter disc, it is characterized in that, is provided with light-inductive circuit and automatic switch-over circuit in the described filter system that day and night automaticallyes switch, and this automatic switch-over circuit and circuit main board electrically connect.
3. as claimed in claim 1 have a camera that day and night switches filter disc, it is characterized in that, is connected with a differential transfer converter on the described circuit main board.
4. as claimed in claim 3 have a camera that day and night switches filter disc, it is characterized in that described camera body is provided with the twisted-pair feeder interface, and twisted-pair feeder links to each other with described differential transfer converter by this interface.
5. as claimed in claim 1 have a camera that day and night switches filter disc, it is characterized in that, is electrically connected with two voltage input modules on the described circuit main board, and this pair voltage input module correspondence is provided with two voltage input end mouths.
6. as claimed in claim 5 have a camera that day and night switches filter disc, it is characterized in that described pair of voltage input end mouth is located at the camera body exterior, the external interchange of this port 24V voltage or direct current 12V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920204261XU CN201491129U (en) | 2009-08-24 | 2009-08-24 | Camera with day and night switching filters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920204261XU CN201491129U (en) | 2009-08-24 | 2009-08-24 | Camera with day and night switching filters |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201491129U true CN201491129U (en) | 2010-05-26 |
Family
ID=42429993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920204261XU Expired - Fee Related CN201491129U (en) | 2009-08-24 | 2009-08-24 | Camera with day and night switching filters |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201491129U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102164288A (en) * | 2011-02-25 | 2011-08-24 | 杭州海康威视数字技术股份有限公司 | Camera and method for switching color mode of camera |
| CN102231797A (en) * | 2011-06-22 | 2011-11-02 | 深圳中兴力维技术有限公司 | Day and night image pick-up device, day and night switching method used for same |
| CN107071250A (en) * | 2017-04-17 | 2017-08-18 | 浙江宇视科技有限公司 | Repositioning method and system |
| CN109167926A (en) * | 2018-10-29 | 2019-01-08 | 福建省智能养护工程有限公司 | A kind of wireless low-power consumption figure biography camera and its control method based on GPRS |
-
2009
- 2009-08-24 CN CN200920204261XU patent/CN201491129U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102164288A (en) * | 2011-02-25 | 2011-08-24 | 杭州海康威视数字技术股份有限公司 | Camera and method for switching color mode of camera |
| CN102231797A (en) * | 2011-06-22 | 2011-11-02 | 深圳中兴力维技术有限公司 | Day and night image pick-up device, day and night switching method used for same |
| CN107071250A (en) * | 2017-04-17 | 2017-08-18 | 浙江宇视科技有限公司 | Repositioning method and system |
| CN109167926A (en) * | 2018-10-29 | 2019-01-08 | 福建省智能养护工程有限公司 | A kind of wireless low-power consumption figure biography camera and its control method based on GPRS |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20150824 |
|
| EXPY | Termination of patent right or utility model |