CN201293905Y - Ultraviolet digital camera>)} - Google Patents
Ultraviolet digital camera>)} Download PDFInfo
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- CN201293905Y CN201293905Y CNU200820203741XU CN200820203741U CN201293905Y CN 201293905 Y CN201293905 Y CN 201293905Y CN U200820203741X U CNU200820203741X U CN U200820203741XU CN 200820203741 U CN200820203741 U CN 200820203741U CN 201293905 Y CN201293905 Y CN 201293905Y
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- ultraviolet
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- image sensor
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Abstract
Disclosed is an ultraviolet digital camera, which structurally comprises an ultraviolet imaging objective lens, a fixing joint ring, an ultraviolet interfering optical filter plate, an ultraviolet image intensifier, an optical fiber conical image coupler, a CCD or CMOS image sensor, a digital image data processing circuit, a storage device, a display screen and a casing. The ultraviolet imaging objective lens is connected with the ultraviolet interfering optical filter plate via the fixing joint ring, the ultraviolet interfering optical filter plate is connected and combined with the ultraviolet image intensifier, the ultraviolet image intensifier is in coupling connection with the CCD or CMOS image sensor via the optical fiber conical image coupler, and output signals of the CCD or CMOS image sensor are processed by the digital image data processing circuit and then are inputted to the display screen and the storage device. The camera is convenient to be carried and operated, can be operated at a solar blind ultraviolet spectrum section, has the advantages of high flexibility and high resolution, and can meet requirements of extraction and analysis of ultraviolet images.
Description
Technical field
The utility model relates to a kind of extraction that is mainly used in remaining traces such as residual fingerprint, palmmprint, cut, and the power transmission and transformation system corona discharge detects and fire alarm is monitored and the portable ultraviolet image numeral of the shooting of other ultraviolet image signals and analysis is taken pictures, camera head.
Background technology
The ultraviolet image numeral is taken pictures, camera head collection to remaining traces such as residual fingerprint, palmmprint, cuts in police criminal detection is extracted, shooting and analysis to corona discharge detection and fire alarm monitoring and other ultraviolet image signals thereof in power transmission and transformation system all have widespread use, but at present the ultraviolet image numeral used of these fields take pictures, camera head, the ubiquity complex structure, heaviness, operation easier is big, uses inconvenient, job insecurity, ineffective shortcoming.For example the disclosed a kind of ultraviolet image scope that is used to manifest vestiges such as residual fingerprint, palmmprint, sweat mark, bloodstain of CN2610846 owing to structural reason, just still exists and uses inconvenience, ineffective shortcoming.The existing power transmission and transformation system that is used for costs an arm and a leg to the then most complex structure of ultraviolet camera head that corona discharge detects.
Summary of the invention
The purpose of this utility model is to design a kind of being easy to carry with easy to operate, can be operated in high sensitivity, the high-resolution ultraviolet digital camera of day blind ultraviolet spectral coverage, to satisfy the needs that ultraviolet image extracts and analyzes.
The utility model is by the following technical solutions: the structure of designed ultraviolet digital camera, include: the ultraviolet imagery object lens, fixing T-Ring, UV interference filters, ultraviolet imaging enhancer, optical taper volume image coupling mechanism, CCD or cmos image sensor, the Digital Image Data treatment circuit, storer, display screen and casing, described ultraviolet imagery object lens are connected with fixing T-Ring by bayonet arrangement, fixedly T-Ring is connected with UV interference filters, UV interference filters is connected with ultraviolet imaging enhancer and combines, ultraviolet imaging enhancer is of coupled connections by optical taper volume image coupling mechanism and CCD or cmos image sensor, the output signal of CCD or cmos image sensor is divided two-way output after the Digital Image Data processing circuit processes, one road input panel shows, another road input store storage.
This ultraviolet digital camera adopts conventional shutter control apparatus and power source drive device.
Principle of work of the present utility model is as shown in Figure 1: the ultraviolet image of target is imaged on the input face (photocathode) of ultraviolet imaging enhancer by the ultraviolet imagery object lens through UV interference filters, this ultraviolet image changed by ultraviolet imaging enhancer and strengthen after become brightness and satisfy the visible images output that follow-up camera system (CCD or cmos image sensor) requires, the effect of camera system is to convert optical image signal to the electricity digital signal, and this signal is difference input panel and real-time demonstration of storer do and record after digital processing circuit is handled.During work, on the input cathode plane that is imaged on ultraviolet imaging enhancer of ultraviolet imagery camera lens with target, if target is ultraviolet self-luminous body (as corona discharge, flame, a plasma discharge etc.), do not need light source during camera work, otherwise just must be to the target ultraviolet source irradiation.
In this ultraviolet digital camera, said ultraviolet imagery object lens use standard ultraviolet camera lens, adopt bayonet arrangement and fixedly T-Ring connection, and fixedly T-Ring is connected with casing with screw thread; Fixedly the function one of T-Ring is to regulate the position of lens imaging face as required by the T-Ring of transposing different length, the 2nd, be used for fixing ultraviolet imaging enhancer, and avoid it to move axially; The effect one of said UV interference filters is the light of other spectral coverage beyond the filtering UV signal light, improves the signal to noise ratio (S/N ratio) of output signal, the 2nd, and image intensifier damages when preventing strong bias light input; The effect of said ultraviolet imaging enhancer is that ultraviolet light (invisible) image is transformed into visible images.The input window of UV interference filters and ultraviolet imaging enhancer fits and is combined into one.The output image of ultraviolet imaging enhancer is coupled to CCD or cmos image sensor by optical taper volume image coupling mechanism, all use the refractive index match couplant to be close to gummed between the input end face of the output face of ultraviolet imaging enhancer and optical taper volume image coupling mechanism and between the output end face of optical taper volume image coupling mechanism and CCD or the cmos image sensor, adopt such structure can effectively improve the coupling efficiency of luminous energy, improve the signal coupling mass, simplify the structure, reduce volume, improved vibration resistance.
This ultraviolet digital camera can be operated in 200～300nm wave band (day blind ultraviolet band), battery-powered, commercial power interface is provided simultaneously, adopt conventional shutter control apparatus and power source drive device, and can provide following conventional supporting technology: the menu mode operation interface comprises resolution setting, style of shooting setting, the setting of picture specification and Exposure mode setting etc.; The two kinds of mode of operations of taking pictures and make a video recording are by operating key with interface fit is set carries out; Image is shown by LCD in good time, and playback function is arranged; Data storage adopts semiconductor storage medium.
This ultraviolet digital camera simple and reasonable, volume is little, in light weight, have simple to operate, advantages such as the high record of resolution data volume is big, and exchanges data is convenient, fast can satisfy the application requirements such as detection, shooting and record of ultraviolet image signal, can be used for the extraction of remaining traces such as residual fingerprint, palmmprint, cut, the power transmission and transformation system corona discharge detects and fire alarm is monitored and the shooting and the analysis of other ultraviolet image signals.Patrol and examine with fields such as fault detect, biomedical researches at police criminal detection, fire monitoring and early warning, power transmission and transformation system and to be widely used.
Description of drawings
Fig. 1 is the structural representation of this ultraviolet digital camera;
Fig. 2 is the fundamental diagram of this ultraviolet digital camera;
Fig. 3 is the back appearance structural drawing of this ultraviolet digital camera;
Fig. 4 is the appearance assumption diagram of overlooking of this ultraviolet digital camera.
Embodiment
Be described in further detail below in conjunction with the CONSTRUCTED SPECIFICATION of accompanying drawing the utility model embodiment:
The composition structure of this ultraviolet digital camera embodiment as shown in Figure 1, this camera includes ultraviolet imagery object lens 1, fixedly T-Ring 2, UV interference filters 3, ultraviolet imaging enhancer 4, optical taper volume image coupling mechanism 5, ccd image sensor 6, storer (SD card) 7, Digital Image Data treatment circuit 8, display screen 9 and casing 10.Ultraviolet imagery object lens 1 are connected with fixing T-Ring 2 by bayonet arrangement, fixedly T-Ring 2 is connected with casing 10 by screw thread, fixedly connect UV interference filters 3 after the T-Ring 2, the input window of UV interference filters 3 and ultraviolet imaging enhancer 4 fits and is combined into one, ultraviolet imaging enhancer 4 is of coupled connections by optical taper volume image coupling mechanism 5 and ccd image sensor 6, the output signal of ccd image sensor 6 is divided two-way output after Digital Image Data treatment circuit 8 is handled, one road input panel 9 shows, another road input store (SD card) 7 storages.The principle of work of this camera following (as shown in Figure 2): on the input cathode plane that is imaged on ultraviolet imaging enhancer 4 of ultraviolet imagery object lens 1 with target A, if target A is ultraviolet self-luminous body (as corona discharge, flame, a plasma discharge etc.), do not need light source B during camera work, otherwise just must shine with ultraviolet source B target; Ultraviolet imaging enhancer 4 (power supply 11 by ultraviolet imaging enhancer drives) converts ultraviolet image to visible images output, and make light energy output obtain the enhancing of several magnitude, improved the detection sensitivity of device effectively, the input end of ccd image sensor 6 transferred to the output image high-level efficiency of ultraviolet imaging enhancer 4 by optical taper volume image coupling mechanism 5, this compares light energy coupling efficiency and has improved 1-1.5 the order of magnitude with the optical coupled mode, and simplified structure, camera debugging and use-pattern, ccd image sensor 6 becomes the sequential electric signal with the two-dimensional visible light image transformation that Digital Image Data treatment circuit 8 is exported ultraviolet imaging enhancer, and pass through the A/D change-over circuit analog signal digital, carry out relevant treatment and deliver to storer (SD card) 7 record and display 10 carries out the realtime graphic demonstration, and can be to the image playback at any time of having taken.
This camera is provided with power switch 18 and shutter control knob 17 (as shown in Figure 4), and shutter control apparatus and power source drive device are conventional equipment; Be provided with menu setting button 12, relay indicating light 13, LCDs 9 and guiding button 15 (as shown in Figure 3) at the back side of this camera.With the working method that interface menu is equipped with, comprise that image acquisition modality, image resolution ratio, time shutter, image display pattern, signal storage setting, data output/input control, data deletion or preservation are set to be provided with etc.
The technical indicator that this camera reaches is as follows:
Response spectrum 200nm---320nm;
Effective pixel 5,000,000;
Image size 2560 * 1920;
Electronic shutter standard (1/90 second), clear (1/30 second), super clear (2 seconds);
Light sensitivity 100/200 (being equal to ISO);
Storage medium SD storage card;
Show 3.5 inches LED display;
Video output NTSC/PAL;
Other USB2.0 interfaces, has the instant playback function.
Claims (2)
1. ultraviolet digital camera, it is characterized in that including: the ultraviolet imagery object lens, fixing T-Ring, UV interference filters, ultraviolet imaging enhancer, optical taper volume image coupling mechanism, CCD or cmos image sensor, the Digital Image Data treatment circuit, storer, display screen and casing, described ultraviolet imagery object lens are connected with fixing T-Ring by bayonet arrangement, fixedly T-Ring is connected with UV interference filters, UV interference filters is connected with ultraviolet imaging enhancer and combines, ultraviolet imaging enhancer is of coupled connections by optical taper volume image coupling mechanism and CCD or cmos image sensor, the output signal of CCD or cmos image sensor is divided two-way output after the Digital Image Data processing circuit processes, one road input panel shows, another road input store storage.
2, ultraviolet digital camera according to claim 1 is characterized in that all using the refractive index match couplant to be close to gummed between the input end face of the output face of described ultraviolet imaging enhancer and optical taper volume image coupling mechanism and between the output end face of optical taper volume image coupling mechanism and CCD or the cmos image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820203741XU CN201293905Y (en) | 2008-11-20 | 2008-11-20 | Ultraviolet digital camera>)} |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820203741XU CN201293905Y (en) | 2008-11-20 | 2008-11-20 | Ultraviolet digital camera>)} |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201293905Y true CN201293905Y (en) | 2009-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820203741XU Expired - Fee Related CN201293905Y (en) | 2008-11-20 | 2008-11-20 | Ultraviolet digital camera>)} |
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| CN (1) | CN201293905Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207659A (en) * | 2010-03-31 | 2011-10-05 | 上海恒光警用器材有限公司 | UV light source irradiation device of physical evidence camera |
| CN102323521A (en) * | 2011-05-23 | 2012-01-18 | 华北电力大学（保定） | Helmet display |
| CN103308833A (en) * | 2013-06-07 | 2013-09-18 | 南京顺泰科技有限公司 | Ultraviolet image fault positioning and processing system and ultraviolet image fault positioning and processing method both used for corona detection |
| CN110275098A (en) * | 2019-06-28 | 2019-09-24 | 杭州赫太克科技有限公司 | Ultraviolet imager |
| CN112261264A (en) * | 2020-10-22 | 2021-01-22 | Oppo广东移动通信有限公司 | Image sensor, camera assembly and electronic equipment |
-
2008
- 2008-11-20 CN CNU200820203741XU patent/CN201293905Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207659A (en) * | 2010-03-31 | 2011-10-05 | 上海恒光警用器材有限公司 | UV light source irradiation device of physical evidence camera |
| CN102323521A (en) * | 2011-05-23 | 2012-01-18 | 华北电力大学（保定） | Helmet display |
| CN102323521B (en) * | 2011-05-23 | 2014-05-28 | 华北电力大学（保定） | Helmet display |
| CN103308833A (en) * | 2013-06-07 | 2013-09-18 | 南京顺泰科技有限公司 | Ultraviolet image fault positioning and processing system and ultraviolet image fault positioning and processing method both used for corona detection |
| CN110275098A (en) * | 2019-06-28 | 2019-09-24 | 杭州赫太克科技有限公司 | Ultraviolet imager |
| CN112261264A (en) * | 2020-10-22 | 2021-01-22 | Oppo广东移动通信有限公司 | Image sensor, camera assembly and electronic equipment |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20171120 |