CN100508598C - 双监视摄像机系统 - Google Patents
双监视摄像机系统 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- 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
- G08B13/19626—Surveillance camera constructional details optical details, e.g. lenses, mirrors or multiple lenses
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- 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
- G08B13/19634—Electrical details of the system, e.g. component blocks for carrying out specific functions
- G08B13/19636—Electrical details of the system, e.g. component blocks for carrying out specific functions pertaining to the camera
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- 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
- G08B13/19639—Details of the system layout
- G08B13/19641—Multiple cameras having overlapping views on a single scene
- G08B13/19643—Multiple cameras having overlapping views on a single scene wherein the cameras play different roles, e.g. different resolution, different camera type, master-slave camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
- H04N23/11—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths for generating image signals from visible and infrared light wavelengths
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/30—Transforming light or analogous information into electric information
- H04N5/33—Transforming infrared radiation
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- Multimedia (AREA)
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Closed-Circuit Television Systems (AREA)
- Burglar Alarm Systems (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Image Input (AREA)
Abstract
具有两个专用监视摄像机及相应的专用照明装置的监视系统位于双隔间外壳中,该外壳通过将每一摄像机和对应的照明装置分隔开同时将每一摄像机与交替的照明装置相结合而消除了内部光线反射问题,使系统更精确且更紧凑及适用于隐蔽的位置。专用的照明装置散发出大量的热,因此要求使用散热器保证照明装置的生命周期,并防止相邻的摄像机受到热的负面影响。使本系统能工作在紧凑的形式而不必考虑照明装置的发热的另一个特征是保护壳本身是适用于照明装置的散热器。
Description
发明背景
本发明涉及安全摄像机和在周围光线变化的条件下获取最佳影像。在一些环境中,其可最有效地获取可见光影像。在另一些环境中,如由于烟或雾能见度较差,红外影像提供监视环境中有关人员和物体的最佳信息。因而需要安全系统具有多功能性和适应性以用于变化的环境。
对于安全摄像机,通常还在摄像机和照明装置上放置透明的保护性窗格玻璃或圆罩,以保护摄像机不受暴风雨侵袭或入侵者或其他不希望被看见的人的蓄意破坏。
多功能摄像机系统与保护壳相结合已导致许多这样的安全系统体积庞大且难于以谨慎、隐蔽的方式安装。
发明内容
本发明提供了在双隔间外壳中具有两个专用监视摄像机及相应专用照明装置的监视系统,双隔间外壳消除了内部光线反射问题,同时这种安排还使系统更紧凑且适于安装在隐蔽位置。专用照明装置发热量很大,因此需要散热器来保持照明装置的平均寿命和阻止相邻的摄像机受到热的负面影响。使本系统能工作在紧凑的形式而不必考虑照明装置的发热的另一个特征是保护壳本身是适合用于照明装置的散热器。
系统实现其紧凑结构是通过使第一摄像机适于记录第一类型照明下的影像,第二摄像机适于记录第二类型照明下的影像,第一照明装置提供第一类型照明,第二照明装置提供第二类型照明,以及两个隔间,每一个都具有透明窗格玻璃。窗格玻璃实质上面向相同方向。第一隔间包含第一摄像机和第二照明装置。第二隔间包含第二摄像机和第一照明装置。第一和第二隔间由不透明的隔层分开以阻止源自第二隔间的第一照明装置的光经第二透明窗格玻璃直接反射到第一摄像机,并阻止源自第一隔间的第二照明装置的光经第一透明窗格玻璃直接反射到第二摄像机。
当第二照明装置打开时第一摄像机记录影像,当第一照明装置打开时第二摄像机记录影像,且根据在周围环境中哪种类型照明通过其摄像机可随时为系统提供最佳记录的影像,系统在使用第一照明装置和第二照明装置之间切换。
在一优选实施例中,第一摄像机是用于在可见光下进行观察的彩色摄像机,第二摄像机是用于在红外照明条件下观察的单色摄像机,第一照明装置是可见光照明装置,第二照明装置是红外照明装置。第一和第二隔间由带有隔层的盒子形成,该盒子具有由导热材料制成的散热片。这些特征使双监视摄像机和双照明装置系统能持续工作,其中隔间足够小,就像一个微型的扬声器箱,以进行隐蔽且样式时新的安装。另外,紧凑性可用于使持续工作的双监视摄像机和双照明装置系统适合隐蔽在电开关盒装饰盖板之后。
如果彩色摄像机具有带红外过滤的最适于彩色观察的镜头,并且单色摄像机具有带可见光过滤的最适于单色观察的镜头,则可增强双摄像机系统成像的优势。为提高红外灵敏度单色摄像机可以被增压,红外照明装置发出的光照电磁辐射范围在805到995纳米之间。虽然彩色闭路电视摄像机的电子设备可与单色闭路电视摄像机共用镜头,但在本系统中,每一摄像机均具有其自己的镜头,且每一摄像机还可具有单独的变焦距调节器,以使在不进行镜头焦距变化的情况下实现从日间到夜晚运行模式的切换;否则,如果共用变焦距调节器,当为获得最佳成像而从彩色变化到单色摄像机输出时,则需要进行变化镜头焦距。
附图说明
图1是本发明双监视摄像机系统具体实施例的透视图。
图2是图1所示系统的前向视图。
图3是图1所示系统的侧视图。
图4是图1所示系统的侧视剖面图。
具体实施方式
参考图1和图2,双监视摄像机系统外壳1在其上隔间内具有第一(彩色)摄像机2,其中包括配备红外过滤的最适于彩色观察的镜头,适于在下隔间中的第一(可见光)照明装置5提供的第一类型照明条件下记录影像;并在其下隔间内具有第二(单色)摄像机3,其中包括配备可见光过滤的最适于单色观察的镜头,适于在第二(红外)照明装置4提供的第二类型照明条件下记录影像。
通过螺钉24-29使盖板30将透明窗格玻璃31和32紧固在各自的摄像机和照明装置上。外壳1由导热材料制成,并具有成整体的散热片10和11以增加与周围空气接触的表面积。
红外照明装置4和可见光照明装置5最好分别包括几组红外和可见光发光二极管(LED)。由于LED的体积小和能量消耗少,所以它们发光效率高、亮度大。LED散发出的大量的热将通过连接到LED背板上的散热器散发,以避免LED过热及缩短其生命周期。如果过多的热量累积在外壳1中,摄像机本身也会受到负面影响。
参考图3和图4,在下隔间中的第一(彩色)照明装置5是通过电线18和19供电,同时其对应的在上隔间中的(彩色)摄像机2是通过电线14和15供电,以操作变焦距彩色镜头调节器(例如),摄像机的视频输出信号通过电线16和17发送。同样,在上隔间中的第二(单色)照明装置4是通过电线12和13供电,同时其对应的在下隔间中的(单色)摄像机3是通过电线20和21供电,以操作变焦距单色镜头调节器,摄像机的视频输出信号通过电线22和23发送。因而,第一摄像机在第二照明装置打开时记录影像,第二摄像机在第一照明装置打开时记录影像,且根据在周围环境中哪种类型照明通过其摄像机可随时为系统提供最佳记录的影像,系统在使用第一照明装置和第二照明装置之间切换。为了在电缆终端7引出,所有电线捆在一起,在这里可以连接系统用于远程控制和视频记录与处理。
隔层6是不透明的,且完全分隔第一和第二隔间,以阻止源自第二隔间的第一照明装置5的光经第二透明窗格玻璃32直接反射到第一摄像机2,并阻止源自第一隔间的第二照明装置4的光经第一透明窗格玻璃31直接反射到第二摄像机3。避免这样过早的内部照明反射是非常有用的,因为它本质上是前景“雪花干扰”或“视频噪声”,这将降低由各个摄像机观察到的从场景返回的光的成像质量。由于可在可见光和红外光之间优化,从而系统提供了更高质量的影像。
图1中所示的侧孔9及图3中所示的相应对边侧孔8有助于用支架安装系统。
本发明描述的内容可以在不背离其精神与本质特征的情况下体现为其它特定的形式并具有另外的选项和附件。因此目前公开的内容在所有方面均应被视为是说明性的而不是限制性的,本发明的范围将由所附的权利要求指出而不是前面的描述,并且所有在权利要求等价技术方案的含义和范围之内的变化也应被认为包含于其中。
Claims (15)
1、双监视摄像机系统,包括:
a)适于在第一类型照明下记录影像的第一摄像机;
b)适于在第二类型照明下记录影像的第二摄像机;
c)用于提供第一类型照明的第一照明装置;
d)用于提供第二类型照明的第二照明装置;
e)具有第一透明观察窗格并包含第一摄像机和第二照明装置的第一隔间;
f)具有第二透明观察窗格并包含第二摄像机和第一照明装置的第二隔间;
其中,第一和第二隔间由不透明的隔层分隔开以阻止源自第二隔间的第一照明装置的光经第二透明窗口直接反射到第一摄像机,及阻止源自第一隔间的第二照明装置的光经第一透明窗格直接反射到第二摄像机。
2、根据权利要求1所述的双监视摄像机系统,其中第一摄像机在第一照明装置打开时记录影像,第二摄像机在第二照明装置打开时记录影像,且根据在周围环境中哪种类型照明通过与之对应的摄像机能随时为系统提供最佳记录的影像,系统在使用第一照明装置和第二照明装置之间切换。
3、根据权利要求1所述的双监视摄像机系统,其中
a)第一摄像机是用于在可见光下观察的彩色摄像机;
b)第二摄像机是用于在红外照明下观察的单色摄像机;
c)第一照明装置是可见光照明装置;
d)第二照明装置是红外照明装置。
4、根据权利要求1所述的双监视摄像机系统,其中第一和第二隔间由带有隔层的盒子形成。
5、根据权利要求1所述的双监视摄像机系统,其中第一和第二隔间具有用导热材料制成的散热片。
6、根据权利要求1所述的双监视摄像机系统,其中第一和第二隔间包含在作为散热器的盒子中。
7、根据权利要求4所述的双监视摄像机系统,其中隔间被小型化以适于装入标准电开关盒中,从而适于隐藏在透明装饰开关盖板的后面。
8、根据权利要求3所述的双监视摄像机系统,其中彩色摄像机具有带红外过滤的最适于彩色观察的镜头。
9、根据权利要求3所述的双监视摄像机系统,其中单色摄像机具有带可见光过滤的最适于单色观察的镜头。
10、根据权利要求3所述的双监视摄像机系统,其中对单色摄像机进行增压以提高红外灵敏度。
11、根据权利要求3所述的双监视摄像机系统,其中红外照明装置发出805到995纳米范围之间的电磁辐射。
12、根据权利要求3所述的双监视摄像机系统,其中每个彩色摄像机和单色摄像机均具有独立的镜头,每一镜头均具有各自的变焦距控制,以使在不进行焦距变化的情况下从日间切换到夜晚运行模式。
13、根据权利要求2所述的双监视摄像机系统,其中:
a)第一摄像机是用于在可见光下观察的彩色摄像机;
b)第二摄像机是用于在红外照明下观察的单色摄像机;
c)第一照明装置是可见光照明装置;
d)第二照明装置是红外照明装置;
e)第一和第二隔间由带有隔层的盒子形成;
f)盒子是具有由导热材料制成的散热片的散热器。
14、根据权利要求13所述的双监视摄像机系统,其中隔间被小型化以适于装入标准电开关盒中,从而适于隐藏在透明装饰开关盖板的后面。
15、根据权利要求13所述的双监视摄像机系统,其中:
a)彩色摄像机具有带红外过滤的最适于彩色观察的镜头;
b)单色摄像机具有带可见光过滤的最适于单色观察的镜头;
c)单色摄像机被增压以提高红外灵敏度;
d)红外照明装置发出805到995纳米范围之间的电磁辐射;
e)每个彩色摄像机和单色摄像机均具有独立的镜头,每一镜头均具有各自的变焦距控制,以使在不进行焦距变化的情况下从日间切换到夜晚运行模式。
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Application Number | Priority Date | Filing Date | Title |
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CA002438939A CA2438939C (en) | 2003-08-28 | 2003-08-28 | Dual surveillance camera system |
CA2,438,939 | 2003-08-28 |
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CN1781310A CN1781310A (zh) | 2006-05-31 |
CN100508598C true CN100508598C (zh) | 2009-07-01 |
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US (1) | US7724280B2 (zh) |
EP (1) | EP1661402A4 (zh) |
KR (1) | KR101098121B1 (zh) |
CN (1) | CN100508598C (zh) |
CA (1) | CA2438939C (zh) |
WO (1) | WO2005022475A2 (zh) |
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TWI691939B (zh) * | 2018-10-15 | 2020-04-21 | 財團法人工業技術研究院 | 用以監視熱源的雙視角影像裝置及其影像處理方法 |
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Also Published As
Publication number | Publication date |
---|---|
WO2005022475A3 (en) | 2005-05-06 |
KR20060079141A (ko) | 2006-07-05 |
KR101098121B1 (ko) | 2011-12-26 |
CA2438939A1 (en) | 2005-02-28 |
EP1661402A2 (en) | 2006-05-31 |
WO2005022475A2 (en) | 2005-03-10 |
US7724280B2 (en) | 2010-05-25 |
CN1781310A (zh) | 2006-05-31 |
CA2438939C (en) | 2008-11-18 |
EP1661402A4 (en) | 2007-10-10 |
US20070013779A1 (en) | 2007-01-18 |
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