CN203136028U - Infrared camera and infrared flash lamp - Google Patents
Infrared camera and infrared flash lamp Download PDFInfo
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- CN203136028U CN203136028U CN 201320072010 CN201320072010U CN203136028U CN 203136028 U CN203136028 U CN 203136028U CN 201320072010 CN201320072010 CN 201320072010 CN 201320072010 U CN201320072010 U CN 201320072010U CN 203136028 U CN203136028 U CN 203136028U
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Abstract
An infrared camera comprises a photosensitive component capable of inducting an infrared spectrum, a gas flash lamp as a flash light source, a first filter for filtering visible light and allowing infrared light to penetrate, and a processing module for executing instructions, wherein the first filter is fixedly or removably arranged on a light-outlet path of the flash light source. Because the gas flash lamp the visible light of which is filtered is adopted to be the infrared light source, infrared illumination capability far exceeding an infrared LED can be provided and quality of night infrared shooting is effectively raised.
Description
Technical field
The utility model relates to the camera technique field, is specifically related to infrared camera and infrared flare lamp.
Background technology
Night, photographing camera had application widely, for example outdoor monitoring and the monitoring of going hunting.According to different night illumination modes, night, photographing camera can be divided into two classes:
One class is used xenon flash lamp, claims high-intensity discharge formula Gas lamp (HID Intensity Discharge Lamp) as taking pictures photoflash lamp to take color photographs again.Xenon flash lamp kilovolt high-tension current on illumination the time is passed through stimulates xenon luminous, and moment forms white electric arc near fluorescent lamp at two interpolars, and its, illumination was good at night, can take photochrome clearly.But because strong visible light flicker is arranged when taking pictures, easily animal is caused scaring or in monitoring, attract much attention easily, do not have disguise in the use.
The lighting source that another kind of use infrarede emitting diode (LED) conduct is taken pictures or recorded a video is to take black and white image.The infrared LED lamp is not next luminous by the electron transition of atom inside, but by voltage being added in the PN junction two ends of LED, makes PN junction itself form energy level, and electronics transition on this energy level comes luminous then.Based on the principle of luminosity of LED lamp, the illumination intensity of its moment of taking pictures is lower usually, can not be compared by the high intensity illumination that instantaneous pressure produces with the gas photoflash lamp far away, so the image noise is many and be easy to generate motion blur.But the infrared light of infrared LED emission has good disguise, and therefore present outdoor monitoring camera and the monitoring camera of going hunting still mainly adopt infrared LED as lighting source.
Summary of the invention
The utility model provides a kind of embodiment of infrared camera, comprising: photo-sensitive cell, and its spectrum induction range comprises infrared spectrum at least; Stroboscopic light sources adopts the gas photoflash lamp; First filter, on the fixing or removable bright dipping light path that is arranged on stroboscopic light sources, this filter is the filter that the filtering visible light allows infrared light to see through; Processing module links to each other to control its flash of light with stroboscopic light sources, link to each other to obtain the data of taking pictures of its collection with photo-sensitive cell.
The utility model also provides a kind of embodiment of infrared flare lamp, comprising: stroboscopic light sources, adopt the gas photoflash lamp; First filter, on the fixing or removable bright dipping light path that is arranged on stroboscopic light sources, this filter is the filter that the filtering visible light allows infrared light to see through.
The embodiment of the utility model infrared camera, break through the routine of gas photoflash lamp and utilized mode, creatively adopt filtering the gas photoflash lamp of visible light as infrared light supply, can provide the infrared illumination ability of extreme infrared LED far away based on the difference of principle of luminosity, effectively improve the quality of infrared shooting at night.
Below in conjunction with accompanying drawing, the concrete example of the utility model infrared camera is elaborated.
Description of drawings
Fig. 1 is the structural representation of a kind of execution mode of the utility model infrared camera;
Fig. 2 is the spectrum schematic diagram of xenon flash lamp;
Fig. 3 is the schematic diagram of the workflow of embodiment one infrared camera;
Fig. 4 is the structural representation of the another kind of execution mode of the utility model infrared camera;
Fig. 5 is the structural representation of the another kind of execution mode of the utility model infrared camera;
Fig. 6 is a kind of structural representation of filter supporter in the utility model;
Fig. 7 is the schematic diagram when filter supporter is fixed in the camera front shell among Fig. 6;
Fig. 8 is the structural representation of the another kind of execution mode of the utility model infrared camera;
Fig. 9 is the second filter operating state position view among Fig. 8;
Figure 10 is that second filter is removed the state position schematic diagram among Fig. 8.
Embodiment
Embodiment 1
A kind of execution mode of the utility model infrared camera can comprise photo-sensitive cell 101 with reference to figure 1, as xenon flash lamp 102, the first filters 103 of stroboscopic light sources, infrared monitoring unit 104, processing module 105.In addition, according to a general configuration of common camera, also be included as camera each assembly power supply power module 11 and the storage photographed data memory module 12, these two conventional modules can be used as removable accessory independently makes and the sale.
The spectrum induction range of photo-sensitive cell 101 comprises visible light and infrared light.Need to prove, the spectral region that relates to herein, for example visible light and infrared light, the scope that the scope with common understanding that all is interpreted as meets substantially and should not be construed as certain rigorous numerical scope, for example, it has been generally acknowledged that wavelength 800nm-1000nm belongs near infrared light, then then think and to respond to infrared light if sensitive volume comprises 800nm-1000nm substantially; And for example, it has been generally acknowledged that wavelength 400nm-800nm belongs to visible light, then then thinking as if the spectrum of filtering substantially (for example more than 50%) 400nm-800nm can the filtering visible light.
Xenon flash lamp 102 is a kind of Gas lamps that are commonly used to provide the illumination that is similar to daylight, a kind of common design is: fill high-pressure xenon (Xenon) in quartz burner, use mercury and carbon element compound at two electrodes, excite xenon ionization and the conducting of fluorescent tube inside with the high pressure of for example 4000V by stabilizer (ballast), make on the electric capacity electric energy stored moment be converted into luminous energy by the flash lamp tube discharge, finish once flash of light.The spectral region of xenon flash lamp substantially as shown in Figure 2, between 300nm-1100nm.As seen from Figure 2, xenon flash lamp has good radiation intensity near infrared spectral range (800nm-1000nm), therefore, after filtering visible light part, can provide good infrared illumination, effectively improve problems such as the image noise that occurs when adopting common infrared LED to take pictures and motion blur, obtain clearly infrared (black and white) image at night.
On the removable bright dipping light path that is arranged on xenon flash lamp 102 of first filter 103, first filter 103 adopts the filter of can the filtering visible light and allowing infrared light to see through, and for example first filter can be a simple black glass.
The photoflash lamp mode of operation arranges flow process and comprises the photoflash lamp signalization (for example the user is by the order that arranges of human-computer interaction interface input) of obtaining input and determine whether that accordingly the photoflash lamp mode of operation is set to infrared mode;
The monitoring flow process comprises the monitoring triggering signal of obtaining infrared monitoring unit 104 generations and starts workflow accordingly;
Workflow comprises the flow process of taking pictures, take pictures data and the data of taking pictures are handled that this flow process of taking pictures can comprise the flash of light of control xenon flash lamp 102 and obtain that photo-sensitive cell 101 gathers, when set photoflash lamp mode of operation is infrared mode, the black and white tupe that employing is preset is handled the data of taking pictures, when set photoflash lamp mode of operation is not infrared mode, adopt the color processing pattern that presets to handle the data of taking pictures.The data of taking pictures after the processing can be stored in the memory 12.
The workflow of present embodiment infrared camera can comprise with reference to figure 3:
The monitored triggering signal of step 304. processing module is waken up and is started workflow, namely forwards step 305 and 306 to.
Step 305. starts photo-sensitive cell and gathers the data of taking pictures.
The flash of light of step 306. control xenon flash lamp.
Step 309. is called the color processing pattern that presets.
Step 310. is handled and store media files.
In the present embodiment, photo-sensitive cell can be responded to visible light can respond to infrared light again, and in other embodiments, the spectrum induction range of photo-sensitive cell also can only comprise infrared spectrum, is exclusively used in the infrared camera of taking infrared image thereby become.
In the present embodiment, first filter is arranged on the bright dipping light path of stroboscopic light sources, can obtain high-intensity infrared illumination like this, avoids the flicker of strong visible light to alarm reference object again, improves the disguise of taking.In addition, in the present embodiment, first filter adopts removable setting so that xenon flash lamp can again can be as white light source as infrared light supply.In other embodiments, first filter also can be fixedly installed on the bright dipping light path of stroboscopic light sources, in this case, stroboscopic light sources is exclusively used in provides high-intensity infrared illumination, accordingly, camera can be designed as and is exclusively used in the shooting infrared image, perhaps also can dispose the visible illumination light source in addition.If camera is exclusively used in the shooting infrared image, then processing module need not to carry out the photoflash lamp mode of operation flow process is set, accordingly also needn't be according to whether colour is selected corresponding tupe when data are taken pictures in processing.
In the present embodiment, be provided with infrared monitoring unit and make camera to carry out work control automatically according to the infrared radiation that detects, be applicable to the situation of monitoring automatically that needs.In other embodiments, also infrared monitoring unit can be set, processing module also need not to carry out the monitoring flow process, for example can be taken by operating personnel's ACTIVE CONTROL.
Stroboscopic light sources in the present embodiment is selected xenon flash lamp, in other embodiments, also can select other gas photoflash lamps, neon photoflash lamp for example, helium photoflash lamp, nitrogen photoflash lamp and argon flash etc.The gas photoflash lamp T﹠B that is born so far, because its application direction is as visible illumination always, therefore its research direction also is to develop towards the direction near daylight more, so that photo has more bright-coloured colour, and the radiation of its infra-red range never is used in night illumination separately.What just be based on routine is the evolution of objective guiding with high colour temperature, make that neon photoflash lamp, helium photoflash lamp, nitrogen photoflash lamp etc. have almost been eliminated, because their colour temperature is on the low side, radiation scope is red partially, is inferior to xenon flash lamp in the illumination capability of visible-range.Yet, based on innovative idea of the present utility model, utilize the gas photoflash lamp still to have the spectral signature of high-level radiation ability at infrared spectral coverage breakthroughly, make these gas photoflash lamps that in visible illumination, are eliminated behind simple filtering visible light, to become good infrared flare lamp, the infrared illumination of intensity far above infrared LED is provided, therefore compare with existing infrared LED camera, improved nighttime image quality and irradiation distance greatly.Certainly, to work in black and white and colored two kinds of different patterns if consider camera, xenon flash lamp is still better choice, because it also can provide the illumination near daylight under the situation that removes first filter, make that the effect of camera under black and white (infrared) and colored (visible light) pattern is outstanding equally.
Further, for obtaining better infrared illumination effect, the method that the gas photoflash lamp that adopts can adopt spectrum to shift in manufacture process, so that radiation scope shifts to region of ultra-red, the method that for example can adopt following spectrum to shift: the voltage (by using the stabilizer of output relevant voltage) of adjusting the photoflash lamp two ends; Change the ratio (for example, for xenon flash lamp, adjusting the component ratio of xenon, mercury and carbon element compound) of material in the fluorescent tube; In employed material, add the higher magnesium arsenate powder of infrared radiation efficient or manganese powder etc.The method that shifts by various spectrum reduces the colour temperature of gas photoflash lamp, its light that sends is shifted, if can make that the light that sends all is that infrared light then can be cancelled use first filter to infrared spectral coverage.
Embodiment 2
The another kind of execution mode of the utility model infrared camera can adopt identical numbering with embodiment 1 functionally similar assembly among follow-up each embodiment with reference to figure 4(for simplicity), compare difference with embodiment 1 and be also to be provided with lighting source 106.
Accordingly, processing module 105 also links to each other to control it with lighting source 106 and opens, processing module 105 performed instructions also comprise: the camera mode of operation arranges flow process, namely obtain the camera signalization (for example the user is by the order that arranges of human-computer interaction interface input) of input and accordingly the camera mode of operation be set to exposal model or video recording pattern, when needs start workflow, if be set to exposal model, then start the flow process of taking pictures, if be set to the video recording pattern, then start video recording process;
Present embodiment is by providing extra lighting source, make infrared camera except can also can further having the video recording ability the infrared night photograph of shooting clear, for example, when lighting source is selected infrared LED, the monochrome image recording function can be provided, when lighting source is selected white light LEDs, can provide the color recording function.
Embodiment 3
The another kind of execution mode of the utility model infrared camera can be compared difference with embodiment 2 and be also to be provided with communication module 110 with reference to figure 5.
Accordingly, processing module 105 also links to each other to send the data that obtain by it with communication module 110, processing module 105 performed instructions also comprise: the transfer of data flow process, namely in the implementation of workflow or after complete, the data (for example picture shot or video) that obtain are sent by communication module 110 according to the transmission means that presets, for example send preassigned mobile phone to, computer or E-mail address etc.
In the present embodiment, communication module 110 specifically can be various wireless communication modules, and for example the 2nd generation, the 3rd generation, or the 4th third-generation mobile communication module also can be the low coverage wireless transport modules, for example bluetooth, WiMAX (Wi-Fi), 2.4G module etc.
Embodiment 4
The modular construction of present embodiment infrared camera can be with reference to the description in the previous embodiment, and it is a kind of be used to the structure of fixing first filter that present embodiment provides.With reference to figure 6 and Fig. 7, should be used for fixing structure and comprise filter supporter 108, it has matching structure (for example a plurality of hasps that can engage with front shell etc., not shown) with the front shell 109 of camera, can be removable be connected on the front shell 109.First filter 103 is embedded on the filter supporter 108, size and shape and the stroboscopic light sources that need cover are suitable (for example, mate with the Lamp cup size coupling of photoflash lamp or with the size of whole photoflash lamp), when filter supporter 108 was connected on the front shell 109, first filter 103 covered the bright dipping light path of stroboscopic light sources 102.
In the present embodiment, first filter is fixed in the front shell of camera by filter supporter, when needing to use, filter supporter is buckled, got final product the infrared black-and-white photograph of shooting clear, when not needing to use, can simply filter supporter be removed, to take color photographs, make simple, easy to loading and unloading.
Embodiment 5
The another kind of execution mode of the utility model infrared camera can be with reference to figure 8-10, compare difference with embodiment 1 and be also to comprise second filter 107, on the removable light inlet light path that is arranged on photo-sensitive cell 101, in the present embodiment, second filter 107 specifically is arranged between lens assembly and the photo-sensitive cell.Second filter 107 allows the filter of visible light transmissive for the filtering infrared light, and first filter 103 and second filter 107 are not in the service position simultaneously.
When needs take color photographs, for example extraneous light strong (daytime or the situation of other exterior lighting light sources is arranged) or stroboscopic light sources work in white light pattern (namely first filter is removed), second filter is moved on the light path of photo-sensitive cell and obtain colour in order to filter infrared light, as shown in Figure 9.And when needing to take infrared photograph, when for example extraneous light is weak, then make stroboscopic light sources work in infrared mode (being about to first filter is installed on the bright dipping light path of stroboscopic light sources), second filter is removed from the light path of photo-sensitive cell, so that photo-sensitive cell can be responded to infrared light and obtain black-and-white photograph, as shown in figure 10.
In other embodiments, second filter also can be arranged at before lens assembly and the photo-sensitive cell, for example adopt the mode of similar lens cap removable be fixed on camera lens before.
Present embodiment makes camera can both obtain the image of better quality under infrared and white light pattern.
The infrared flare lamp that relates in above-described embodiment can be used as independent product and carries out produce and market, and its structure comprises: stroboscopic light sources 102, adopt the gas photoflash lamp, for example can be selected from xenon flash lamp, the neon photoflash lamp, helium photoflash lamp, nitrogen photoflash lamp and argon flash; First filter 103, on the fixing or removable bright dipping light path that is arranged on stroboscopic light sources 102, the filter that first filter 103 allows infrared light to see through for the filtering visible light.
More than use specific case principle of the present utility model and execution mode are set forth, should be appreciated that, above execution mode just is used for helping to understand the utility model, and should not be construed as restriction of the present utility model.For one of ordinary skill in the art, according to thought of the present utility model, can change above-mentioned embodiment.
Claims (10)
1. an infrared camera is characterized in that, comprising:
Photo-sensitive cell (101), the spectrum induction range of described photo-sensitive cell (101) comprises infrared spectrum at least;
Stroboscopic light sources (102), described stroboscopic light sources (102) adopts the gas photoflash lamp;
First filter (103), on the fixing or removable bright dipping light path that is arranged on described stroboscopic light sources (102), the filter that described first filter (103) allows infrared light to see through for the filtering visible light;
Processing module (105) links to each other to control its flash of light with described stroboscopic light sources (102), links to each other to obtain the data of taking pictures of its collection with described photo-sensitive cell (101).
2. infrared camera as claimed in claim 1 is characterized in that, described stroboscopic light sources (102) is selected from xenon flash lamp, neon photoflash lamp, helium photoflash lamp, nitrogen photoflash lamp and argon flash.
3. infrared camera as claimed in claim 1 is characterized in that, also comprises infrared monitoring unit (104), is used for surveying the infrared radiation in the guarded region, produces the monitoring triggering signal when being triggered by infrared radiation;
Described processing module (105) also links to each other to obtain described monitoring triggering signal with described infrared monitoring unit (104).
4. infrared camera as claimed in claim 1 is characterized in that, on the bright dipping light path that is arranged on described stroboscopic light sources (102) that described first filter (103) is removable;
Described infrared camera also comprises second filter (107), on the removable light inlet light path that is arranged on described photo-sensitive cell (101), described second filter (107) allows the filter of visible light transmissive for the filtering infrared light, and described first filter (103) and second filter (107) are not in the service position simultaneously.
5. as any described infrared camera of claim 1-4, it is characterized in that, also comprise lighting source (106);
Described processing module (105) also links to each other to control it with described lighting source (106) and opens.
6. infrared camera as claimed in claim 5 is characterized in that, described lighting source (106) is selected from infrarede emitting diode LED or white light LEDs.
7. as any described infrared camera of claim 1-4, it is characterized in that, also comprise filter supporter (108), described filter supporter (108) has matching structure with the front shell (109) of camera, can be removable be connected on the described front shell (109), described first filter (103) is embedded on the described filter supporter (108), size and shape and the stroboscopic light sources (102) that need cover are suitable, when described filter supporter (108) was connected on the described front shell (109), described first filter (103) covered the bright dipping light path of described stroboscopic light sources (102).
8. as any described infrared camera of claim 1-4, it is characterized in that, also comprise communication module (110);
Described processing module (105) also links to each other to send the data that obtain by it with described communication module (110).
9. an infrared flare lamp is characterized in that, comprising:
Stroboscopic light sources (102), described stroboscopic light sources (102) adopts the gas photoflash lamp;
First filter (103), on the fixing or removable bright dipping light path that is arranged on described stroboscopic light sources (102), the filter that described first filter (103) allows infrared light to see through for the filtering visible light.
10. infrared flare lamp as claimed in claim 9 is characterized in that, described stroboscopic light sources (102) is selected from xenon flash lamp, neon photoflash lamp, helium photoflash lamp, nitrogen photoflash lamp and argon flash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320072010 CN203136028U (en) | 2013-02-08 | 2013-02-08 | Infrared camera and infrared flash lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320072010 CN203136028U (en) | 2013-02-08 | 2013-02-08 | Infrared camera and infrared flash lamp |
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| CN203136028U true CN203136028U (en) | 2013-08-14 |
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| CN 201320072010 Expired - Lifetime CN203136028U (en) | 2013-02-08 | 2013-02-08 | Infrared camera and infrared flash lamp |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184962A (en) * | 2014-08-12 | 2014-12-03 | 中国科学院上海微系统与信息技术研究所 | DSP (digital signal processor) and image processing based all-weather image acquisition system |
| CN105487321A (en) * | 2015-12-28 | 2016-04-13 | 生迪智慧科技有限公司 | Control method for infrared light-compensating lamp and shooting apparatus |
| CN105984383A (en) * | 2015-01-27 | 2016-10-05 | 博立码杰通讯(深圳)有限公司 | Vehicle-mounted camera system |
-
2013
- 2013-02-08 CN CN 201320072010 patent/CN203136028U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184962A (en) * | 2014-08-12 | 2014-12-03 | 中国科学院上海微系统与信息技术研究所 | DSP (digital signal processor) and image processing based all-weather image acquisition system |
| CN105984383A (en) * | 2015-01-27 | 2016-10-05 | 博立码杰通讯(深圳)有限公司 | Vehicle-mounted camera system |
| CN105487321A (en) * | 2015-12-28 | 2016-04-13 | 生迪智慧科技有限公司 | Control method for infrared light-compensating lamp and shooting apparatus |
| CN105487321B (en) * | 2015-12-28 | 2018-08-14 | 生迪智慧科技有限公司 | The control method and filming apparatus of infrared light compensating lamp |
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Granted publication date: 20130814 |