WO2011050497A1 - 摄影装置 - Google Patents

摄影装置 Download PDF

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Publication number
WO2011050497A1
WO2011050497A1 PCT/CN2009/001209 CN2009001209W WO2011050497A1 WO 2011050497 A1 WO2011050497 A1 WO 2011050497A1 CN 2009001209 W CN2009001209 W CN 2009001209W WO 2011050497 A1 WO2011050497 A1 WO 2011050497A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
blocking film
lens
disposed
front cover
Prior art date
Application number
PCT/CN2009/001209
Other languages
English (en)
French (fr)
Inventor
许志回
陈民伟
Original Assignee
晶睿通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 晶睿通讯股份有限公司 filed Critical 晶睿通讯股份有限公司
Priority to CN2009801549827A priority Critical patent/CN102317859B/zh
Priority to US13/259,068 priority patent/US8576333B2/en
Priority to PCT/CN2009/001209 priority patent/WO2011050497A1/zh
Publication of WO2011050497A1 publication Critical patent/WO2011050497A1/zh

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00—Special procedures for taking photographs; Apparatus therefor
    • G03B15/02—Illuminating scene
    • G03B15/03—Combinations of cameras with lighting apparatus; Flash units
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B11/00—Filters or other obturators specially adapted for photographic purposes
    • G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
    • G03B11/045—Lens hoods or shields
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B19/00—Cameras
    • G03B19/18—Motion-picture cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/56—Cameras or camera modules comprising electronic image sensors; Control thereof provided with illuminating means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B2215/00—Special procedures for taking photographs; Apparatus therefor
    • G03B2215/05—Combinations of cameras with electronic flash units
    • G03B2215/0564—Combinations of cameras with electronic flash units characterised by the type of light source
    • G03B2215/0575—Ring shaped lighting arrangements
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19617—Surveillance camera constructional details
    • G08B13/19619—Details of casing

Definitions

  • the present invention relates to a photographing apparatus, and more particularly to a photographing apparatus having an auxiliary light source.
  • Surveillance photography is a record of the dynamics of the environment being monitored and can be used to effectively replace traditional manpower preservation methods. Surveillance photography can also be combined with optical identification technology and alarm system to provide a warning signal when an abnormal situation occurs in the monitored environment. It has become the most important passive security mechanism.
  • the surveillance camera can be divided into indoor type and outdoor type according to the setting environment.
  • the outdoor type surveillance camera needs to have waterproof and dustproof functions in addition to being installed outdoors. Since it is necessary to perform photography 24 hours a day and night when it is installed outdoors, outdoor surveillance cameras need to have the function of night photography.
  • the outdoor type surveillance camera uses an infrared light source as an auxiliary light source for night photography.
  • the outdoor type surveillance camera includes a body in which an electronic component such as a lens, an image sensor, and the like, and an infrared light emitting diode disposed around the lens are disposed.
  • the front end of the body is combined with a front cover body, and the front cover body is provided with transparent glass for external light to penetrate the transparent glass into the lens, or the light emitted by the infrared light-emitting diode penetrates the transparent glass and is irradiated to the photographing area. .
  • the light emitted by the infrared light-emitting diode penetrates the transparent glass, the light is theoretically refracted only by the different medium of the transparent glass and the air, but in fact, since the upper surface and the lower surface of the transparent glass are smooth surfaces, Therefore, part of the light will be reflected on the upper or lower surface of the transparent glass, and the reflected light will enter the lens, forming a halo phenomenon or a ghost phenomenon on the imaged image, making the image blurred or unrecognizable.
  • the prior art cuts the position of the transparent glass corresponding to the lens into a round hole, and installs a shielding component at the round hole, and the shielding component is Cylindrical, one end is assembled at the circular hole of the transparent glass, and the other end is placed on the lens, so that the shielding component is interposed between the infrared light emitting diode and the lens (refer to the Taiwan Patent Publication No.
  • the shielding component is convex Out of the transparent glass and covering the lens, even if the light generated by the infrared light source is reflected by the smooth upper or lower surface of the transparent glass, the reflection The light can't enter the lens, effectively preventing halo or ghosting.
  • the outdoor surveillance camera waterproof and dustproof (such as the international industrial waterproof standard highest grade IP68), such as the combination of the body, the front cover and the transparent glass provided in the front cover, it is necessary at the joint. It is blocked by a waterproof material such as a seal ring.
  • the shielding component In order to prevent the reflected light from the infrared light source from entering the lens, the shielding component needs to be cut and processed by the transparent glass of the front cover of the plurality of components. In order to achieve the waterproof and dustproof effect, the shielding component also needs to be provided with a waterproof material such as a sealing ring. Not only does the cost increase, but also multiple components, that is, complicated re-processing and assembly procedures, will lead to an increase in the non-performing rate of waterproof and dustproof effects.
  • IP68 international industrial waterproof standard highest grade IP68
  • the existing outdoor type surveillance camera is provided with transparent glass at the front cover for external light to penetrate the transparent glass into the lens, or the light emitted by the infrared light emitting diode passes through the transparent glass and is irradiated to the photographing area, but the infrared light emitting diode
  • the emitted light will cause a halo phenomenon or a ghost phenomenon due to the reflected light of the transparent glass entering the lens.
  • a shielding component is disposed between the transparent glass and the lens, and the shielding component is disposed.
  • Multiple components and processing and assembly procedures will result in increased costs and poor waterproof and dustproof effects, resulting in technical conflicts in preventing image quality and waterproof and dustproof requirements.
  • an object of the present invention is to provide a photographing apparatus that effectively maintains waterproof and dustproof requirements and photographs desired image quality.
  • the present invention provides a photographing apparatus, comprising: a body, the body comprising a shell body and a front cover, the body is internally provided with an optical component, and a plurality of surrounding optical components a peripheral auxiliary light source, the front cover is coupled to the shell body, and a protective mirror is disposed on the front cover;
  • a light shielding sleeve disposed between the optical component and the plurality of auxiliary light sources; and a light blocking film disposed at a critical line of the viewing angle corresponding to the optical mirror.
  • the above-mentioned photographic apparatus is characterized in that the optical component comprises a main circuit board, an image sensor and a lens, the lens having a shooting angle of view, and the plurality of auxiliary light sources having an illumination angle.
  • the above-mentioned photographic device is characterized in that the light-blocking film has an annular shape, and an inner diameter of the light-blocking film is adjacent to a critical line of the lens viewing angle, and an outer diameter of the light-blocking film is adjacent to an illumination angle critical line of the plurality of auxiliary light sources. .
  • the light-blocking film is arranged in a discontinuous ring shape in accordance with the arrangement of the plurality of auxiliary light sources.
  • the outer diameter of the light-blocking film is irregularly matched to the arrangement of the plurality of auxiliary light sources.
  • the light-blocking film is disposed on a lower surface of the goggle. In the above-described photographing apparatus, the light-blocking film is provided on an upper surface of the goggle.
  • the present invention further provides a photographing apparatus, comprising: a body, the body comprising a shell body and a front cover, the body is internally provided with an optical component, and a plurality of surrounding optical Forming a surrounding auxiliary light source, the front cover is coupled to the shell body, and the front cover is provided with a protective mirror, the optical component having a lens adjacent to the protective mirror;
  • a light blocking film disposed at a critical line of the viewing angle corresponding to the optical composition of the protective mirror.
  • the above-mentioned photographic device is characterized in that the light-blocking film has an annular shape, and an inner diameter of the light-blocking film is adjacent to a critical line of the lens viewing angle, and an outer diameter of the light-blocking film is adjacent to an illumination angle critical line of the plurality of auxiliary light sources. .
  • the light shielding sleeve is disposed between the optically composed lens and the plurality of auxiliary light sources, and the light blocking film is disposed at the critical line of the shooting angle corresponding to the optical composition of the protective mirror, thereby effectively blocking the emission of the auxiliary light source.
  • the light enters the lens through the reflection of the goggles, providing the best image quality for the shot with the auxiliary light source.
  • the light-blocking film can be disposed on the protective mirror by using the coating technology, and the re-machining process such as cutting on the protective mirror is not required, and the completeness of the protective mirror can be maintained to ensure the waterproof and dustproof effect provided by the protective mirror, and the solution is solved. A technical conflict between the required image quality and the waterproof and dustproof requirements.
  • Figure 1 is a schematic exploded view showing the structure of the present invention
  • FIG. 2 is a schematic cross-sectional view showing the structure of the present invention
  • Figure 3 is a top plan view of the front cover of the present invention
  • FIG. 4 is a schematic view showing a structure constituting a light ray
  • FIG. 5 is a schematic view showing another embodiment of the light blocking film of the present invention
  • FIG. 6 is a schematic view showing still another embodiment of the light blocking film of the present invention
  • a schematic diagram of still another embodiment Figure 8 is a schematic cross-sectional view showing another structural composition of the present invention.
  • the photographing device disclosed in the present invention is an image capture device such as an index camera (IP Camera), an analog monitor (Close Circuit TV, CCTV), a network monitor (Web CAM), a camera, a camera, and the like.
  • the photographic device is provided with an auxiliary light source, which is an infrared ray emitted by an infrared illuminating diode to provide a photographic device that can be photographed in the dark (such as at night).
  • an outdoor type surveillance camera set outdoors is taken as a preferred embodiment of the present invention.
  • a photographing apparatus includes a body 10, an optical component 20, a plurality of auxiliary light sources 30, and a light shielding sleeve 40.
  • the body 10 has a hollow cylindrical shape, and a receiving portion 110 is formed therein.
  • the accommodating space 110 is provided with an optical component 20 and other electronic components (not shown) for performing shooting or recording functions.
  • the body 10 includes a shell body 11 and a front cover 12.
  • the shell body 11 has an open end 111 corresponding to the accommodating space 110.
  • the inner side of the open end 111 is provided with an internal thread 112.
  • the front cover 12 matches the shell body 11 and can be coupled to the body.
  • the cover body 11 and the front cover 12 also have a hollow cylindrical shape and have an accommodation space 120.
  • the front cover 12 has a joint end 121 corresponding to the open end 111 and a mirror end 122 opposite to the joint end 121.
  • the joint end 121 is provided with an external thread 123, and a seal ring 124 is disposed at the proximal thread 123, and the front cover 12 is externally threaded. 123 is screwed into the internal thread 112 of the case body 11, so that the front cover 12 is coupled to the case body 11, and the waterproof effect is achieved by the seal ring 124.
  • the inner surface of the mirror end 122 of the front cover 12 has an internal thread 125, a bearing surface 126 is disposed at the proximal thread 125, and a sealing ring 127 is disposed on the bearing surface 126.
  • a protective mirror 13 matching the front cover 12 is disposed on the bearing surface 126.
  • the protective mirror 13 is a flat transparent glass having an upper surface 131 and a lower surface 132. Light is available for penetration.
  • the inner thread 125 of the mirror end 122 is screwed by a pressing ring 14, so that the mirror 13 is bonded to the mirror end 122 and the waterproof effect is achieved by the sealing ring
  • the optical component 20 is disposed in the accommodating space 110 of the body 10 and the accommodating space 120 of the front cover 12.
  • the optical component 20 includes a main circuit board 21 and an image sensor 22 (Charge Coupled Device (CCD)). Or (Complementary Metal-Oxide Semiconductor (CMOS)) and a lens 23.
  • CCD Charge Coupled Device
  • CMOS Complementary Metal-Oxide Semiconductor
  • the external light passes through the protective mirror 13 and enters the lens 23, so that external light is inductively imaged on the image sensor 22, and the captured image is remotely transmitted through a signal transmission component or a storage medium (not shown) or Store.
  • a plurality of brackets 15 are disposed in the body 10.
  • the plurality of brackets 15 are provided with a pair of circuit boards 31 on the corresponding lens 23.
  • the sub-board 31 is provided with a through hole 311 corresponding to the lens 23, and the through holes 311 are provided for the lens 23 to pass through.
  • a plurality of auxiliary light sources 30 are provided on the circuit board 31.
  • the plurality of auxiliary light sources 30 are infrared light emitting diodes (Infrared LEDs) that emit invisible infrared light.
  • the auxiliary light source 30 In a dark environment (such as at night), the auxiliary light source 30 emits infrared light through the mirror 13 to illuminate the photographic area, and reflects the infrared ray into the lens 23, and the image sensor 22 senses the image in a bright environment (such as daylight). The difference is that the infrared light will be imaged as a black and white image.
  • a plurality of auxiliary light sources 30 are uniformly distributed around the lens 23, but due to the internal optical composition 20 of the body 10 or the arrangement of other electronic components, the plurality of auxiliary light sources 30 may also be arranged irregularly.
  • the light shielding sleeve 40 is made of a rubber material and is flexible and opaque.
  • the light shielding sleeve 40 has a hollow cylindrical shape, and has a joint portion 41, a barrel portion 42 and a horn portion 43.
  • the light shielding sleeve 40 is sleeved into the lens 23 And the joint portion 41 is engaged with the through hole 311 of the sub-board 31, and the barrel portion 42 and the horn portion 43 are interposed between the auxiliary light source 30 and the lens 23 to block the infrared light generated by the auxiliary light source 30 directly. Entering the lens 23 affects imaging.
  • the horn portion 43 is inclined at an angle in accordance with the photographing angle of view of the lens 23.
  • the front cover 12 is coupled to the casing body 11, and the end edge of the horn portion 43 of the hood 40 is abutted against the protective mirror 13.
  • a light shielding sleeve 40 is disposed between the plurality of auxiliary light sources 30 and the lens 23 to block infrared rays generated by the auxiliary light source 30 .
  • Light enters the lens 23 directly.
  • a light blocking film 133 is disposed on the lower surface 132 of the protective mirror 13. The light blocking film 133 is annular with the lens 23 for blocking the infrared light emitted by the auxiliary light source 30 from entering the lens through the reflection of the protective lens 13. twenty three.
  • the light-blocking film 133 can be directly applied to the lower surface 132 of the protective mirror 13 by screen printing, or a ring-shaped film (Film or Mylar) can be directly formed, and the annular film is adhered to the protective mirror 13. Lower surface 132.
  • the A, A' imaginary line shown in the figure is the critical line of view angle of the lens 23 (the shooting angle will vary depending on the lens used), and the B, B' imaginary line is The illumination angle critical line of the auxiliary light source 30 (the illumination angle varies depending on the LED used).
  • the inner diameter of the light-blocking film 133 is adjacent to the imaginary line of eight, A', and the outer diameter of the light-blocking film 133 is adjacent to B, B, and an imaginary line.
  • the infrared light of the auxiliary light source 30 passes through the protective mirror 13, and the infrared light is reflected on the upper surface 131 or the lower surface 132 of the smooth protective mirror 13, and is blocked by the protective mirror 13 due to the blocking of the light shielding sleeve 40 and the light blocking film 133.
  • the infrared light also does not enter the lens 23, effectively achieving the effect of blocking the infrared light emitted by the auxiliary light source 30 from entering the lens 23, thereby providing an optimum image quality for the auxiliary light source 30 to take.
  • the light-blocking film 133 can be disposed on the protective mirror 13 by a coating technique such as printing, or the film can be adhered to the protective mirror 13 without any cutting or assembly processing on the protective mirror 13. It can keep the goggles 13 intact and provide the best waterproof and dustproof effect. Furthermore, the light-blocking film 133 can greatly reduce the production cost by screen printing or film bonding.
  • the above-described embodiment is defined in accordance with the photographing angle of view of the lens head 23 and the illumination angle of the auxiliary light source 30.
  • the inner diameter of the light blocking film 133 may also be adjacent to the edge of the horn 43 of the holster 40, and the resistance is blocked.
  • the outer diameter of the light film 133 can pass over the B, B' imaginary line, and although some of the infrared light is blocked, the light-shielding film 133 can be controlled to adjust the irradiation angle of the auxiliary light source 30 over the distance.
  • the light-blocking film 133 is disposed on the lower surface 132 of the goggle 13 .
  • the light-blocking film 133 can also be disposed on the upper surface 131 of the protective mirror 13.
  • the inner diameter of the light-blocking film 133 is adjacent to the imaginary line of eight, A', and the outer diameter of the light-blocking film 133 is adjacent to B.
  • the B' imaginary line also achieves the effect of effectively blocking the infrared light emitted by the auxiliary light source 30 from entering the lens 23.
  • the light-blocking film 133 is formed in a ring shape.
  • the plurality of auxiliary light sources 30 may also be arranged irregularly, and the light blocking film 133 may correspond to the arrangement pattern of the plurality of auxiliary light sources 30.
  • the light-blocking film 133 may be a discontinuous ring shape or may be irregularly shaped to match the arrangement of the auxiliary light sources 30 on the outer diameter.
  • a photographing apparatus wherein the above embodiment is a lens
  • the lens 23 can be directly adjacent to the protective mirror 13 and directly disposed between the imaginary line of A, A' and B, B and the imaginary line by using the light blocking film 133, and directly block the infrared light generated by the auxiliary light source 30. Enter the lens 23.
  • the light shielding sleeve is disposed between the optically composed lens and the plurality of auxiliary light sources, and the light blocking film is disposed at the critical line of the shooting angle corresponding to the optical composition of the protective mirror, thereby effectively blocking the emission of the auxiliary light source.
  • the light enters the lens through the reflection of the goggles, providing the best image quality for the shot with the auxiliary light source.
  • the light-blocking film can be disposed on the protective mirror by using the coating technology, and the re-machining process such as cutting on the protective mirror is not required, and the completeness of the protective mirror can be maintained to ensure the waterproof and dustproof effect provided by the protective mirror, and the solution is solved. A technical conflict between the required image quality and the waterproof and dustproof requirements.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Studio Devices (AREA)
  • Stroboscope Apparatuses (AREA)

Description

摄影装置 技术领域
本发明涉及一种摄影装置， 特别涉及一种具有辅助光源的摄影装置 背景技术
监视摄影技术是可拍摄被监视环境的动态情况并予以纪录，将可以有效地 替代传统人力保全方式。而监视摄影亦可以结合光学辨识技术及警报系统， 使 得被监视环境发生异常状况时发出警示信号，己成为目前最主要的被动式保全 机制。
监视摄影技术最主要的设备即为监视摄影机，监视摄影机可以依据设置环 境而区分有室内型及户外型两种，其中户外型监视摄影机除因架设在户外而需 要具备有防水防尘的功能外，由于架设在户外必须要日夜 24小时的进行摄影， 户外型监视摄影机更需要具备有夜间摄影的功能。目前户外型监视摄影机是采 用红外线光源作为夜间摄影的辅助光源。
户外型监视摄影机包括有一机体，机体内设置有如镜头、影像感应器等执 行摄影功能的电子零组件， 以及设置在镜头周围的红外线发光二极管。而在机 体的前端结合有一前罩体，前罩体装设置有透明玻璃， 以供外界光线穿透透明 玻璃进入镜头，或是红外线发光二极管所发射的光线穿透过透明玻璃而照射至 摄影区域。红外线发光二极管所发射的光线于穿透过透明玻璃时，理论上光线 仅会因透明玻璃与空气为不同介质而产生折射，但在实际上由于透明玻璃的上 表面及下表面皆为光滑表面，因此部分光线将于透明玻璃的上表面或下表面产 生反射， 反射的光线会进入镜头， 于成像的影像上形成光晕现象或鬼影现象， 使得影像模糊不清或是无法辨认。
为了解决因红外线光源照射至透明玻璃而产生光晕现象或鬼影现象，现有 技术是将透明玻璃对应镜头的位置予以切割出一圆孔，于圆孔处装设一遮蔽组 件，遮蔽组件呈筒状，一端组装于透明玻璃的圆孔处，另一端则套置在镜头上， 使遮蔽组件介于红外线发光二极管与镜头之间（参阅中国台湾公告第 M294796 号专利案）， 由于遮蔽组件凸出于透明玻璃之上且套覆住镜头， 因此纵使红外 线光源所产生的光线因穿过透明玻璃光滑的上表面或下表面而产生反射，反射 的光线也无法进入镜头， 有效防止光晕现象或鬼影现象的产生。
然而， 为了使户外型监视摄影机达到防水防尘的效果（如国际工业防水标 准最高等级 IP68 ) ， 如机体、 前罩体以及前罩体所设置的透明玻璃等组合构 件， 于接合处都必须要通过密封环等防水材料予以阻隔。而为了防止红外线光 源的反射光线进入镜头，遮蔽组件所需采用多个零组件前罩体的透明玻璃予以 切割再加工， 为达到防水防尘的效果， 遮蔽组件还需装设密封环等防水材料， 不但造成成本的增加， 多个零组件亦即复杂的再加工及组装程序， 都将导致防 水防尘效果的不良率提升。 发明公开
现有户外型监视摄影机在前罩体处设置有透明玻璃以供外界光线穿透透 明玻璃进入镜头，或是红外线发光二极管所发射的光线穿透过透明玻璃而照射 至摄影区域，然而红外线发光二极管所发射的光线将因透明玻璃的反射光线进 入镜头而产生将光晕现象或鬼影现象，若未解决光晕现象或鬼影现象， 则在透 明玻璃与镜头之间装设遮蔽组件，遮蔽组件多个零组件及加工组装程序，都将 导致成本增加且造成防水防尘效果不佳，在防止影像成像质量及防水防尘要求 下产生了技术冲突。有鉴于此， 本发明的目的在于， 提出了一种有效维持防水 防尘要求及拍摄所需影像质量的摄影装置。
为了实现上述目的， 本发明揭露一种摄影装置， 其特征在于， 包括有： 一机体， 该机体包括有一壳身及一前盖， 该机体内部设置有一光学组成， 以及多个环绕在该光学组成周围的辅助光源， 该前盖结合于该壳身， 并且于该 前盖设有一防护镜；
一遮光套， 该遮光套套置于该光学组成与该多个辅助光源之间； 及 一阻光膜， 该阻光膜设置于该防护镜对应该光学组成的拍摄视角临界线 处。
上述的摄影装置， 其特征在于， 该光学组成包括有一主电路板、一影像感 应器及一镜头， 该镜头具有拍摄视角， 而该多个辅助光源具有照射角度。
上述的摄影装置， 其特征在于， 该阻光膜呈环状， 该阻光膜的内径邻接于 该镜头拍摄视角临界线，该阻光膜的外径邻接该多个辅助光源的照射角度临界 线。 上述的摄影装置，其特征在于， 该阻光膜匹配该多个辅助光源排列方式而 呈不连续环状。
上述的摄影装置，其特征在于， 该阻光膜外径匹配该多个辅助光源排列方 式而呈不规则状。
上述的摄影装置， 其特征在于， 该阻光膜设置于该防护镜的下表面。 上述的摄影装置， 其特征在于， 该阻光膜设置于该防护镜的上表面。 为了实现上述目的， 本发明还揭露一种摄影装置， 其特征在于， 包括有： 一机体， 该机体包括有一壳身及一前盖， 该机体内部设置有一光学组成， 以及多个环绕在该光学组成周围的辅助光源， 该前盖结合于该壳身， 并且于该 前盖设有一防护镜， 该光学组成具有一镜头， 该镜头邻近于该防护镜； 及
一阻光膜， 该阻光膜设置于该防护镜对应该光学组成的拍摄视角临界线 处。
上述的摄影装置， 其特征在于， 该阻光膜呈环状， 该阻光膜的内径邻接于 该镜头拍摄视角临界线，该阻光膜的外径邻接该多个辅助光源的照射角度临界 线。
根据本发明所揭露的摄影装置，遮光套套置于光学组成的镜头与多个辅助 光源之间， 并且于防护镜对应光学组成的拍摄视角临界线处设置阻光膜，有效 地阻绝辅助光源所发射的光线经由防护镜的反射而进入镜头，借以在提供辅助 光源的拍摄情况下， 提供拍摄的最佳影像质量。 并且， 阻光膜可利用涂布技术 设置于防护镜上， 并无须于防护镜上进行切割等再加工程序， 可以保持防护镜 的完整， 以确保防护镜所提供的防水防尘效果，解决了拍摄所需影像质量及防 水防尘要求之间的技术冲突。
有关本发明的详细特征与实作， 兹配合图式在实施方式中详细说明如下， 其内容足以使任何本领域技术人员了解本发明的技术内容并据以实施，且根据 本说明书所揭露的内容及图式，任何本领域技术人员可轻易地理解本发明相关 的目的及优点。 附图简要说明
图 1为本发明结构组成分解示意图;
图 2为本发明结构组成剖面示意图; 图 3为本发明中前盖的上视示意图；
图 4为本发明结构组成光线假想示意图； 图 5为本发明中阻光膜的另一实施例示意图 图 6为本发明中阻光膜的再一实施例示意图 图 7为本发明中阻光膜的又一实施例示意图
Figure imgf000006_0001
图 8为本发明另一结构组成剖面示意图。
其中， 附图标记
10 机体
1 1
110 容置空间
111 开口端
112 内螺纹
12 刖盖
120 容置空间
121 结合端
122 护镜端
123 外螺纹
124 密封环
125 内螺纹
126 承载面
127 密封环
13 防护镜
131 上表面
132 下表面
133 阻光膜
14 压着环
15 支架
20 光学组成
21 主电路板
22 影像感应器 23 镜头
30 辅助光源
31 副电路板
311 穿孔
40 遮光套
41 结合部
42 筒身部
43 喇叭部 实现本发明的最佳方式
下面结合附图对发明的结构原理和工作原理作具体的描述：
根据本发明所揭露的摄影装置， 是指数位网络监视器 （IP Camera) 、 模 拟监视器 （Close Circuit TV， CCTV) 、 网络监视器 （Web CAM) 、 摄影机、 照相机等影像撷取装置，其中的摄影装置设置有辅助光源，辅助光源是指以红 外线发光二极管所发射的红外线光线，以提供摄影装置可以于黑暗中（如夜晚） 进行拍摄。在以下实施例中将以设置在户外的户外型监视摄影机作为本发明的 最佳实施例。
请参阅图 1、图 2所示，根据本发明所揭露的摄影装置，其包括一机体 10、 一光学组成 20、 多个辅助光源 30及一遮光套 40。
机体 10呈中空筒状， 于内部形成一容置 $间 110， 容置空间 110内装设 光学组成 20及其它用以执行拍摄或纪录功能的电子零组件 （图中未示） 。 机 体 10包含有壳身 11及前盖 12,壳身 11具有一对应容置空间 110的开口端 111， 开口端 111的内侧面设有内螺纹 112，前盖 12匹配壳身 11而可结合于壳身 11， 前盖 12亦呈中空筒状而具有一容置空间 120。前盖 12具有对应开口端 111的 结合端 121及相对于结合端 121的护镜端 122， 结合端 121设有外螺纹 123， 于近外螺紋 123处设有一密封环 124， 前盖 12以外螺紋 123旋入于壳身 11的 内螺紋 112, 使前盖 12结合于壳身 11， 并通过密封环 124达到防水的效果。 前盖 12的护镜端 122内侧面具有内螺紋 125， 于近内螺纹 125处设有一承载 面 126， 承载面 126上设有一密封环 127。 于承载面 126上装设一匹配前盖 12 的防护镜 13， 防护镜 13为一平面式透明玻璃，具有上表面 131及下表面 132， 可供光线穿透。 由一压着环 14旋入于护镜端 122的内螺纹 125， 使防护镜 13 被结合于护镜端 122处， 并通过密封环 127达到防水的效果。
光学组成 20设置在机体 10的容置空间 110与前盖 12的容置空间 120之 中，光学组成 20包括有一主电路板 21、一影像感应器 22(感光耦合组件（ Charge Coupled Device , CCD ) ) 或 （互补性氧化金属半导体 （Complementary Metal-Oxide Semiconductor, CMOS) )及一镜头 23。 外界的光线由防护镜 13 穿过并进入镜头 23， 使外界光线于影像感应器 22上感应成像， 并经由信号传 输组件或储存媒体 （图中未示） 将所撷取的影像进行远程传输或储存。
在机体 10内设有多支支架 15， 多支支架 15于对应镜头 23架设有一副电 路板 31， 副电路板 31对应镜头 23处设有一穿孔 311， 穿孔 311供镜头 23穿 过， 而于副电路板 31上即供多个辅助光源 30设置。 多个辅助光源 30为红外 线发光二极管 （Infrared LED) ， 可发出不可见的红外线光线。 于黑暗环境中 (如夜晚） ， 辅助光源 30发出红外线光线穿过防护镜 13而照射至摄影区域， 并且使红外线光线反射进入镜头 23， 而由影像感应器 22感应成像， 于明亮环 境（如白天）不同的是， 红外线光线将成像为黑白影像。 原则上， 多个辅助光 源 30均勾分布并环绕在镜头 23的周围，但由于机体 10内部光学组成 20或是 其它电子零组件的配置关系， 多个辅助光源 30亦可以不规则排列。
遮光套 40是以橡胶材料制成而具可挠性且不透光，遮光套 40呈中空筒状， 其具有一结合部 41、 筒身部 42及喇叭部 43， 遮光套 40套入镜头 23处， 并使 结合部 41嵌扣于副电路板 31的穿孔 311， 筒身部 42及喇叭部 43介于多个辅 助光源 30与镜头 23之间， 以阻隔辅助光源 30所产生的红外线光线直接进入 镜头 23而影响成像。 喇叭部 43是配合镜头 23的拍摄视角而倾斜一角度。 于 前盖 12结合于壳身 11， 遮光套 40的喇叭部 43端缘恰可抵靠于防护镜 13。
请一并参阅图 1、 图 2、 图 3所示， 根据本发明所揭露的摄影装置， 于多 个辅助光源 30与镜头 23之间装设遮光套 40， 以阻隔辅助光源 30所产生的红 外线光线直接进入镜头 23。更进一步在防护镜 13的下表面 132处设有一阻光 膜 133， 阻光膜 133配合镜头 23而呈环状， 用以阻绝辅助光源 30所发射的红 外线光线经由防护镜 13的反射而进入镜头 23。 阻光膜 133可以直接以网版印 刷方式直接涂布于防护镜 13的下表面 132上， 亦可先制作一环状薄膜 （Film 或 Mylar) ， 而将环状薄膜黏贴于防护镜 13的下表面 132。 续请参阅图 4所示， 图中所示的 A、 A'假想线为镜头 23的拍摄视角临界 线 （拍摄视角因所采用的镜头不同而会有所不同） ， B、 B'假想线为辅助光源 30 的照射角度临界线 （照射角度因采用的发光二极管不同而会有所不同） 。 其中， 阻光膜 133的内径是邻接于八、 A'假想线， 阻光膜 133的外径是邻接于 B、 B，假想线。 因此， 辅助光源 30的红外线光线穿过防护镜 13， 纵使红外线 光线于光滑的防护镜 13上表面 131或下表面 132形成反射， 由于遮光套 40 及阻光膜 133的阻隔， 防护镜 13所反射的红外线光线也不会进入镜头 23， 达 到有效地阻绝辅助光源 30所发射的红外线光线进入镜头 23的效果，借以提供 以辅助光源 30进行拍摄的最佳影像质量。 同时， 阻光膜 133可以利用印刷等 涂布技术设置于防护镜 13上，或是制作薄膜黏贴于防护镜 13上， 并无须于防 护镜 13上进行任何的切割或是组装等再加工程序，可以保持防护镜 13的完整， 提供最佳的防水防尘效果。 再者， 阻光膜 133以网版印刷或薄膜黏贴的方式， 都可以大幅降低生产成本。
如图 5所示，根据本发明所揭露的摄影装置，其中上述的实施例是依据镜 头 23的拍摄视角与辅助光源 30的照射角度界定。而在具体应用上， 由于遮光 套 40的喇叭部 43端缘恰抵靠于防护镜 13的下表面 132， 阻光膜 133的内径 亦可邻接于遮光套 40的喇叭部 43端缘， 而阻光膜 133的外径可越过 B、 B' 假想线， 虽遮蔽部分红外线光线，但可控制阻光膜 133越过距离而调整辅助光 源 30的照射角度。
如图 6所示，根据本发明所揭露的摄影装置，其中上述的实施例是将阻光 膜 133设置于防护镜 13的下表面 132。 而在具体应用上， 阻光膜 133亦可设 置于防护镜 13的上表面 131， 阻光膜 133的内径是邻接于八、 A'假想线， 阻 光膜 133的外径是邻接于 B、 B'假想线， 同样达到有效地阻绝辅助光源 30所 发射的红外线光线进入镜头 23的效果。
如图 7所示，根据本发明所揭露的摄影装置，其中上述的实施例是将阻光 膜 133制作成环状。而在具体应用上， 因为机体 10内部光学组成 20或是其它 电子零组件的配置关系， 多个辅助光源 30亦可以不规则排列， 而阻光膜 133 可以对应多个辅助光源 30的排列型态而作改变， 比如阻光膜 133可为不连续 的环状， 亦或在外径上匹配辅助光源 30的排列而呈不规则状。
如图 8 所示， 根据本发明所揭露的摄影装置， 其中上述的实施例因镜头 23与防护镜 13间具有一距离，多个辅助光源 30与镜头 23之间装设遮光套 40， 以阻隔辅助光源 30所产生的红外线光线直接进入镜头 23。 而在具体应用上， 可将镜头 23邻近于防护镜 13，直接利用阻光膜 133设置在 A、 A'假想线与 B、 B，假想线之间， 阻隔辅助光源 30所产生的红外线光线直接进入镜头 23。
当然， 本发明还可有其它多种实施例， 在不背离本发明精神及其实质的情 况下， 熟悉本领域的技术人员当可根据本发明作出各种相应的改变和变形，但 这些相应的改变和变形都应属于本发明所附的权利要求的保护范围。 工业应用性
根据本发明所揭露的摄影装置， 遮光套套置于光学组成的镜头与多个辅助 光源之间， 并且于防护镜对应光学组成的拍摄视角临界线处设置阻光膜， 有效 地阻绝辅助光源所发射的光线经由防护镜的反射而进入镜头，借以在提供辅助 光源的拍摄情况下， 提供拍摄的最佳影像质量。 并且， 阻光膜可利用涂布技术 设置于防护镜上， 并无须于防护镜上进行切割等再加工程序， 可以保持防护镜 的完整， 以确保防护镜所提供的防水防尘效果，解决了拍摄所需影像质量及防 水防尘要求的间的技术冲突。

Claims

权利要求书
1.一种摄影装置， 其特征在于， 包括有：
一机体， 该机体包括有一壳身及一前盖， 该机体内部设置有一光学组成， 以及多个环绕在该光学组成周围的辅助光源， 该前盖结合于该壳身， 并且于该 前盖设有一防护镜；
一遮光套， 该遮光套套置于该光学组成与该多个辅助光源之间； 及 一阻光膜， 该阻光膜设置于该防护镜对应该光学组成的拍摄视角临界线 处。
2.根据权利要求 1所述摄影装置， 其特征在于， 该光学组成包括有一主电 路板、一影像感应器及一镜头， 该镜头具有拍摄视角， 而该多个辅助光源具有 照射角度。
3.根据权利要求 2所述摄影装置， 其特征在于， 该阻光膜呈环状， 该阻光 膜的内径邻接于该镜头拍摄视角临界线，该阻光膜的外径邻接该多个辅助光源 的照射角度临界线。
4.根据权利要求 1所述摄影装置， 其特征在于， 该阻光膜匹配该多个辅助 光源排列方式而呈不连续环状。
5.根据权利要求 1所述摄影装置， 其特征在于， 该阻光膜外径匹配该多个 辅助光源排列方式而呈不规则状。
6.根据权利要求 1所述摄影装置， 其特征在于， 该阻光膜设置于该防护镜 的下表面。
7.根据权利要求 1所述摄影装置， 其特征在于， 该阻光膜设置于该防护镜 的上表面。
8.—种摄影装置， 其特征在于， 包括有：
一机体， 该机体包括有一壳身及一前盖， 该机体内部设置有一光学组成， 以及多个环绕在该光学组成周围的辅助光源， 该前盖结合于该壳身， 并且于该 前盖设有一防护镜， 该光学组成具有一镜头， 该镜头邻近于该防护镜； 及
一阻光膜， 该阻光膜设置于该防护镜对应该光学组成的拍摄视角临界线 处。
9.根据权利要求 8所述摄影装置， 其特征在于， 该阻光膜呈环状， 该阻光 膜的内径邻接于该镜头拍摄视角临界线，该阻光膜的外径邻接该多个辅助光源 的照射角度临界线。
PCT/CN2009/001209 2009-10-30 2009-10-30 摄影装置 WO2011050497A1 (zh)

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