CN103149778B - hunting camera - Google Patents
hunting camera Download PDFInfo
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- CN103149778B CN103149778B CN201310033622.XA CN201310033622A CN103149778B CN 103149778 B CN103149778 B CN 103149778B CN 201310033622 A CN201310033622 A CN 201310033622A CN 103149778 B CN103149778 B CN 103149778B
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Abstract
The invention provides a kind of hunting camera, comprise housing, housing is built with infrared supplementary module and camera module, camera module comprises camera lens and main control MCU, and camera lens is positioned at the front surface of housing, the described infrared supplementary module of main control MCU electrical connection, housing front faces is provided with illumination holes, infrared supplementary module comprises lighting source, and the light-emitting area of lighting source, towards described illumination holes, is provided with black cutoff filter in illumination holes.The present invention is provided with black cutoff filter outside the lighting source of infrared supplementary module, effectively the visible ray of the remnants of lighting source and near infrared portion can be filtered, improve hidden effect, when shining upon by day, owing to being black cutoff filter, can not reflected sunlight and expose the position of hunting camera or end user, ensure that hidden effect and avoid the danger occurring meeting with animal attacks because hidden effect is bad, the custom of each side such as the life activity of target can not be affected simultaneously.
Description
Technical field
The present invention relates to digital photography, shooting product scope, particularly relate to a kind of hunting camera.
Background technology
Hunting camera is the left unguarded camera of a kind of energy automatic capturing human or animal motion state being applied to field.It sends enabling signal by a motion detector usually after capturing human or animal's motion, under being simultaneously only in daytime or night state by a light sensor indicative for environments, if then also need a secondary light source to throw light on to target under night darkness environment, then by built-in camera module exposure calculating carried out to target and collect colour or the black white image of target.Whole process is by a MCU(microprocessor) fully automatically control, thus reach the object of the motion state obtaining field target under unmanned state.
The visible ray that normal eye sees is in the wavelength coverage of 320nm-760nm, and exceeds the part of 760nm, is referred to as infrared light.Infrared light, can be just fewer and feweri by the part of Human Perception along with the increase of its wavelength, until cannot see completely.Such as, typical infrared light at a wavelength of 850 nm, is completely invisible under bright light environments.But under night condition, when human or animal closely looks at infrared light supply straight, still can see that faint general ruddiness is boundless and indistinct.Only having when wavelength is increased to the 940nm grown than 850nm, even if human eye direct-view, is also almost can't see.As the magazine infrared illumination of hunting, in the wild under dark surrounds, in order to not cause attention and the vigilance of target, thus affecting its naturally life or motion state, wishing that this illumination can completely by object perception.
Summary of the invention
The present invention, for a kind of disguise will be provided strong, can not affect the hunting camera of target nature life activity.
In order to solve above-mentioned technical matters, a technical scheme provided by the invention is: a kind of hunting camera, comprise housing, housing is equipped with infrared supplementary module and camera module, described camera module comprises camera lens and main control MCU, described camera lens is positioned at the front surface of housing, the described infrared supplementary module of described main control MCU electrical connection, described housing front faces is provided with illumination holes, described infrared supplementary module comprises lighting source, the light-emitting area of described lighting source, towards described illumination holes, is provided with black cutoff filter in described illumination holes.
Wherein, the infrared light of 940nm wavelength launched by described lighting source, and described black cutoff filter allows the light being more than or equal to 760nm by wavelength.
Wherein, described lighting source comprises the LED battle array be made up of multiple LED, and the injection angle of the outside LED of described LED battle array is less than or equal to the injection angle of inner side LED.
Wherein, described housing front faces is provided with two described illumination holes, corresponds in each illumination holes and be respectively provided with lighting source described in, the both sides being distributed in camera lens of described two illumination holes adaptations in described housing.
Wherein, described two lighting sources are arranged on two substrates respectively, and two substrates dorsad described housing front faces have angle.
Wherein, the angle of described two substrates described housing front faces is dorsad 165 degree or 135 degree.
Wherein, described housing front faces is provided with four the described illumination holes being positioned at the orthogonal distribution of described camera lens surrounding or three the described illumination holes becoming isosceles triangle distribution, corresponds in each illumination holes and be respectively provided with lighting source described in described housing.
Wherein, described hunting camera also comprises a linear light line sensor, and this linear light line sensor is electrically connected described main control MCU, and the probe of this linear light line sensor is positioned at the front surface of described housing.
Wherein, the detecting head surface of described linear light line sensor is provided with infrared blocking films, is provided with lens outside described infrared blocking films.
Wherein, described linear light line sensor is making based on phototriode principle, its direct exposure scope is 0-1000Lux, described linear light line sensor is connected on the pwm control circuit of a periodic samples, described pwm control circuit for gather extraneous light and ambient light line strength exceedes the direct exposure scope of linear light line sensor time change the resistance of output resistance to increase the sensitive volume of linear light line sensor.
Be different from the hunting camera of prior art, transparent light transmission piece is provided with outside lighting source, the lighting source of infrared supplementary module has visible ray and the near infrared portion of some remnants at the infrared light that night launches, hidden effect can be made like this to reduce, same, light transmission piece is understood inverse sunshine and loses hidden effect by day, that that situation all may expose hunting camera, make it the meaning losing hunting camera, danger is brought to the people of camera or use, affect the life activity etc. of target simultaneously, the beneficial effect of hunting camera of the present invention is, black cutoff filter is installed outside the lighting source of infrared supplementary module, effectively the visible ray of the remnants of lighting source and near infrared portion can be filtered, improve hidden effect, same, when shining upon by day, owing to being black cutoff filter, can not reflected sunlight and expose the position of hunting camera or end user, ensure that hidden effect and avoid the danger occurring meeting with animal attacks because hidden effect is bad, the custom of each side such as the life activity of target can not be affected simultaneously.
Accompanying drawing explanation
Fig. 1 is that the present invention hunts the front view of camera one embodiment;
Fig. 2 is that the present invention hunts the detonation configuration figure of camera one embodiment;
Fig. 3 is that the present invention hunts the sectional view of two substrates of camera one embodiment.
Wherein: 1, housing; 2, infrared supplementary module; 3, camera lens; 4, linear light line sensor; 11, housing front faces; 12, illumination holes; 21, black cutoff filter; 22, lighting source; 23, substrate.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
Refer to Fig. 1, Fig. 2, present embodiment provides a kind of hunting camera, comprise housing 1, housing 1 is built with infrared supplementary module 2 and camera module, described camera module comprises camera lens 3 and main control MCU, described camera lens 3 is positioned at housing front faces 11, the described infrared supplementary module 2 of described main control MCU electrical connection; Described housing front faces 11 is provided with illumination holes 12, described infrared supplementary module 2 comprises lighting source 22, the light-emitting area of described lighting source 22 is towards described illumination holes 12, black cutoff filter 21 is provided with in described illumination holes 12, wherein main control MCU controls the opening and closing of the lighting source 22 of infrared supplementary module 2, certainly, described black cutoff filter 21 can make to be embedded in illumination holes 12, also can be mounted on lighting source 22.Outside the lighting source 22 of infrared supplementary module 2, black cutoff filter 21 is installed, effectively the visible ray of the remnants of lighting source 22 and near infrared portion can be filtered, improve hidden effect, same, when shining upon by day, owing to being black cutoff filter 21, can not reflected sunlight and expose the position of hunting camera or end user, ensure that hidden effect and avoid the danger occurring meeting with animal attacks because hidden effect is bad, the custom of each side such as the natural life activity of target can not be affected simultaneously.Principle of the present invention is: hunting camera has infrared illumination source, described infrared illumination source can send infrared light, but the existence such as remaining visible ray are had when luminescence, remaining visible absorption is fallen by the light cutoff filter sector-meeting of black, simultaneously can not inverse sunshine, can also the light of selective cut-off different wave length.
In the present embodiment, the infrared light of 940nm wavelength launched by described lighting source 22, the infrared light that 940nm wavelength launched by lighting source 22 described here refers to the infrared light of light that lighting source 22 launches mainly 940nm wavelength, also have other light close to this wavelength, described black cutoff filter 21 allows the light being more than or equal to 760nm by wavelength, lower than the wavelength of lighting source, but higher than the common visible range of human eye, the lighting source of 940nm wavelength is selected to be because the light of this wavelength of direct-view generally there will not be general red phenomenon in the present embodiment, can better play hidden effect.Certainly, in another embodiment, lighting source 22 can launch the light of other wavelength, accordingly, and the cutoff filter of replacing adaptation corresponding with it.Can see there are two lighting sources 22 in the present embodiment in Fig. 1, Fig. 2, in another embodiment, infrared supplementary module 2 can be a lighting source 22, also can be three or more lighting sources 22.
In the present embodiment, described lighting source 22 is arranged on substrate 23, described lighting source 22 comprises the LED battle array be made up of multiple LED, the injection angle being less than or equal to inner side LED of the injection angle adaptation of the outside LED of described LED battle array, can make the center of field of illumination and the brightness of surrounding be more or less the same or equal like this.So mainly in order to reach the even or specific illuminating effect of illuminating effect, each LED on substrate 23 adopts different injection angles and carries out certain arranged evenly, to reach evenly or specific illuminating effect, as shown in Figure 3, the injection angle of LED can be 45 degree, it can certainly be other injection angle, such as the LED that injection angular is 15 degree can be housed the surrounding on substrate 23, the brightness that can strengthen the surrounding of the light of lighting source injection is like this not less than or few light intensity lower than centre, makes exposure effect better.And LED to be formed LED battle array be intensity of illumination in order to strengthen lighting source 22.
In the present embodiment, described housing front faces 11 is provided with two illumination holes 12, is provided with a lighting source 22 in each illumination holes 12, the both sides being distributed in camera lens 3 of described two illumination holes 12 adaptations.Described two lighting sources 22 form an adaptive angle, this adaptive angle adjusts according to the injection angle of the sensitive chip length of described hunting camera, the size in the camera lens visual field and lighting source 22, in the present embodiment, as Fig. 3, described two lighting sources 22 are arranged on two substrates 23 respectively, and the angle of two substrates 23 described housing front faces is dorsad 165 degree, certainly in other embodiments, also can be other angle, as 135 degree.The effect of this design is, two lighting sources 22 rotate the light that penetrates at an angle of shape respectively to the outside of position, the light of injection is no longer just the circular light spot centered by the picture central point of camera lens 3, to depart from the change of mid point far away and die down along with it for its light intensity, but the superposing of circular light spot to the left and a circular light spot to the right.The light of such injection on whole picture evenly, the light intensity decreasing of central point and central axial line, both sides particularly corner can receive more light, thus reach the effect of better uniform exposure.Due to camera lens 3 itself, the transmittance of its middle body is high, and the transmittance at edge sharply reduces, and the effect of illumination, if aim at central point injection, then be also that central authorities are the brightest, edge circumference is gradually dark.The result of such superposition, makes the photo of floor light, and its middle section can be partially bright even excessively bright, and surrounding and even corner are partially dark even excessively dark.The present invention adopts the method for two groups of different injection angles of lighting source 22, is suppressed the light of camera lens 3 middle section, and improve the illumination of edge and corner, be the better way improving photo illuminance uniformity simultaneously.Under the background of particularly complete darkness in the wild, more uniform illumination is conducive to the reasonable exposure of background object, makes the sense of reality of target object stronger.Certainly, also can be that the lighting source 22 of 1,3 lighting source 22 or more carries out adaptive angle configurations in another embodiment, reach best exposure effect, as described in housing front faces 11 be provided be positioned at as described in illumination holes 12 as described in illumination holes 12 as described in four of the orthogonal distribution of camera lens 3 surrounding or become isosceles triangle distribution three etc.Angle between the lighting source 22 of this invention simultaneously can be carried out setting according to the service condition of reality and be produced, and can obtain good illumination more easily, thus strengthen the operation convenience of this invention.
In the present embodiment, described hunting camera also comprises a linear light line sensor 4, this linear light line sensor 4 is positioned at housing front faces, can the intensity of illumination in the more fully perception external world, this linear light line sensor 4 is based on phototriode principle, be attempted by the pwm control circuit of a periodic samples, this linear light line sensor 4 direct exposure scope is 0-1000Lux, namely ambient light line strength is in use exceeded when exceeding the direct exposure scope of linear light line sensor 4, the abbreviation of the PWM(Pulse WidthModulat ion of periodic samples can also be utilized, being called for short width modulation) control circuit changes the resistance of output resistance, thus the scope of light-metering is increased further, the CdS light sensor avoiding traditional hunting camera enters saturated disadvantage very soon, this linear light line sensor 4 pairs of light intensities carry out at least up to the classification of 128 grades, and with the time shutter of camera is calculated, thus the control accuracy of time shutter is greatly improved, directly calculate by linear light line sensor 4 and control the scope of time shutter and also greatly increase.
In the present embodiment, on the surface of linear light sensor 4, also covers the infrared blocking films of anti-infrared light, to receive purer visible light part, and filter the infrared part in ambient light, measured light is mated more with the sensation of human eye.Certainly, can also lens be provided with in the outside of the infrared blocking films of linear light sensor 4, as convex lens or Fresnel Lenses, to adjust the light intensity entering linear light line sensor 4 further, improve the detection sensitivity under low light condition.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a hunting camera, comprise housing, housing is built with infrared supplementary module and camera module, and described camera module comprises camera lens and main control MCU, and described camera lens is positioned at the front surface of housing, the described infrared supplementary module of described main control MCU electrical connection, it is characterized in that, described housing front faces is provided with illumination holes, and described infrared supplementary module comprises lighting source, the light-emitting area of described lighting source, towards described illumination holes, is provided with black cutoff filter in described illumination holes.
2. hunting camera according to claim 1, is characterized in that, the infrared light of 940nm wavelength launched by described lighting source, and described black cutoff filter allows the light being more than or equal to 760nm by wavelength.
3. hunting camera according to claim 1, is characterized in that, described lighting source comprises the LED battle array be made up of multiple LED, and the injection angle of the outside LED of described LED battle array is less than or equal to the injection angle of inner side LED.
4. the hunting camera according to any one of claim 1-3, it is characterized in that, described housing front faces is provided with two described illumination holes, corresponds in each illumination holes and be respectively provided with lighting source described in, the both sides being distributed in camera lens of described two illumination holes adaptations in described housing.
5. hunting camera according to claim 4, is characterized in that, described two lighting sources are arranged on two substrates respectively, and two substrates dorsad described housing front faces have angle.
6. hunting camera according to claim 5, is characterized in that, the angle of described two substrates described housing front faces is dorsad 165 degree or 135 degree.
7. the hunting camera according to any one of claim 1-3, it is characterized in that, described housing front faces is provided with four the described illumination holes being positioned at the orthogonal distribution of described camera lens surrounding or three the described illumination holes becoming isosceles triangle distribution, corresponds in each illumination holes and be respectively provided with lighting source described in described housing.
8. hunting camera according to claim 1, is characterized in that, described hunting camera also comprises a linear light line sensor, and this linear light line sensor is electrically connected described main control MCU, and the probe of this linear light line sensor is positioned at the front surface of described housing.
9. hunting camera according to claim 8, is characterized in that, the detecting head surface of described linear light line sensor is provided with infrared blocking films, is provided with lens outside described infrared blocking films.
10. hunting camera according to claim 8, it is characterized in that, described linear light line sensor makes based on the principle of phototriode, its direct exposure scope is 0-1000Lux, described linear light line sensor is connected on the pwm control circuit of a periodic samples, and described pwm control circuit changes the resistance of output resistance to increase the sensitive volume of linear light line sensor for gathering extraneous light when ambient light line strength exceedes the direct exposure scope of linear light line sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033622.XA CN103149778B (en) | 2013-01-29 | 2013-01-29 | hunting camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310033622.XA CN103149778B (en) | 2013-01-29 | 2013-01-29 | hunting camera |
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| Publication Number | Publication Date |
|---|---|
| CN103149778A CN103149778A (en) | 2013-06-12 |
| CN103149778B true CN103149778B (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310033622.XA Active CN103149778B (en) | 2013-01-29 | 2013-01-29 | hunting camera |
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| CN (1) | CN103149778B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111866313A (en) * | 2019-04-26 | 2020-10-30 | 致伸科技股份有限公司 | Camera module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247377Y (en) * | 2008-08-29 | 2009-05-27 | 西安北方光电有限公司 | Hunting machine for outdoor monitoring |
| CN201491117U (en) * | 2009-06-05 | 2010-05-26 | 东莞市南星电子有限公司 | Automatic induction photo-shooting digital camera with night vision function |
| WO2011155715A2 (en) * | 2010-06-10 | 2011-12-15 | Lee Chang Il | Camera lighting apparatus including a shielding member for prevention of optical sensor malfunction |
| CN203133460U (en) * | 2013-01-29 | 2013-08-14 | 深圳市优威视讯科技有限公司 | Hunting camera |
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2013
- 2013-01-29 CN CN201310033622.XA patent/CN103149778B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201247377Y (en) * | 2008-08-29 | 2009-05-27 | 西安北方光电有限公司 | Hunting machine for outdoor monitoring |
| CN201491117U (en) * | 2009-06-05 | 2010-05-26 | 东莞市南星电子有限公司 | Automatic induction photo-shooting digital camera with night vision function |
| WO2011155715A2 (en) * | 2010-06-10 | 2011-12-15 | Lee Chang Il | Camera lighting apparatus including a shielding member for prevention of optical sensor malfunction |
| CN203133460U (en) * | 2013-01-29 | 2013-08-14 | 深圳市优威视讯科技有限公司 | Hunting camera |
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| CN103149778A (en) | 2013-06-12 |
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Address after: 518000 West of the Fifth Floor and Sixth Floor of Shunhe Dachang District, Liuxiandong Industrial Zone, Xili Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen City, Polytron Technologies Inc Address before: 518000 Guangdong, Shenzhen, Nanshan District, Nanhai Road, Donghua, 5 industrial buildings, 8 buildings 802 Patentee before: UOVision Techology (Shenzhen) Ltd. |