CN103095971A - Network megapixel high-definition anti-explosion dome camera - Google Patents
Network megapixel high-definition anti-explosion dome camera Download PDFInfo
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- CN103095971A CN103095971A CN 201110348082 CN201110348082A CN103095971A CN 103095971 A CN103095971 A CN 103095971A CN 201110348082 CN201110348082 CN 201110348082 CN 201110348082 A CN201110348082 A CN 201110348082A CN 103095971 A CN103095971 A CN 103095971A
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Abstract
The invention relates to a network megapixel high-definition anti-explosion dome camera which is mainly characterized by being composed of a camera lens, a complementary metal-oxide-semiconductor transistor (CMOS) imaging sensor, a high-speed digital signal processor (DSP), an infrared illumination module, a network interface, a power source and a power management module. The camera lens is connected with the CMOS imaging sensor. The high-speed DSP is connected with the network interface. The infrared illumination module is connected with the power management module. The power source supplies power to all the modules through the power management module. The network megapixel high-definition anti-explosion dome camera is reasonable in design and capable of enabling a camera to take a clear picture on the condition of low illumination level by using the infrared illumination module. Special type anti-explosion glass which is adopted is high in luminos flux, thereby completely eliminating infrared lamp halo. A nano invisible windshield wiper which is adopted has the advantages of being free from water and oil and capable of eliminating dust. The CMOS imaging sensor scans line by line, pixel is dense, and therefore the whole cost and power consumption of the camera are reduced.
Description
Technical field
The invention belongs to field of cameras, the explosion-proof dome type camera of especially a kind of network mega pixel high definition.
Background technology
Along with the development of society, the effect of video camera in safety defense monitoring system is more and more obvious.Although now a lot of manufacturers utilize ccd image sensor as the photo-sensitive cell of video camera, can photograph image clearly, but the appearance along with the network mega pixel camera, it mainly adopts high-resolution progressive scan mode, the cmos image sensor of lining by line scan more has superiority than interleaved ccd image sensor, he scans each tv line successively, rather than tv line is divided into the odd and even number lines is superimposed as a width complete image again.Adopt interlacing scan, there is larger difference in the position of the object of rapid movement in the odd and even number scanning field, causes fuzzy pictures unclear.Ccd image sensor sensitivity is higher, but response speed is lower, and cmos image sensor is except the advantage of pixel-intensive degree, and cost and power consumption advantages obtain the favor of producer more.Its deficiency is got along alone and is, in the situation that low-light (level) or dark noise are more, if do not have the light filling measure can't reach at night ideal effect.
Traditional cameras adopts repeatedly digital-to-analogue conversion technology, cause not fogging clear, noise is many, even distortion distortion has affected the overall monitoring effect of safety defense monitoring system.It is digital signal with analog signal conversion that web camera adopts the high-speed dsp digital signal processor, more directly is sent on network through after the processing of controller, has avoided the generation of above phenomenon.
The object of the invention is to overcome the deficiencies in the prior art, a kind of explosion-proof dome type camera of network mega pixel high definition that can photograph the high definition picture and have the network explosion prevention function in explosive environments is provided.
The present invention solves its technical problem and takes following technical scheme to realize:
The explosion-proof dome type camera of a kind of network mega pixel high definition is made of camera lens, cmos image sensor, high-speed dsp digital signal processor, infrared illumination module, network interface, power supply and power management module; Wherein, camera lens is connected with cmos image sensor, and the high-speed dsp digital signal processor is connected with network interface, and the infrared illumination module is connected with power management module, power supply by power management module to each module for power supply.
And described sensor devices adopts 1/3 inch cmos image sensor, and image is lined by line scan, and direct digital signal output interface is arranged, and need not A/D converter.
And described infrared illumination module adopts the LED infrared lamp as luminescence medium, has satisfied video camera and has taken the demand of high-definition image in the overnight sight medium and long distance.
And described video camera adopts the two filters of the IRC with handoff technique, when light is arranged, adopts colored image pickup mode; When dull thread or light were weak, video camera can be automatically converted to the black and white image pickup mode, made the filter of cmos image sensor front not produce effect, and the enough brightness that utilizes the LED infrared lamp to provide, and photographed the picture of high definition.
And described high-speed dsp digital signal processor adopts H.264 image compression technology, and high compression coding efficient makes image information take less broadband resource in network transmission process; And the employing digital noise reduction technology reduces the gain range of relative still frame automatically, and the interference noise ripple in erasure signal, improved image sharpness and cleanliness factor effectively simultaneously; The high-speed dsp digital signal processor can also receive alarm signal and outwards send alarm signal by the I/O port, and sends on request control signal.
And described network interface adopts the RJ-45 Ethernet interface, will directly be sent on network based on the packet of TCP/IP network standard, and the related personnel utilizes private network or the Internet, all can watch and manage image and relevant information from video camera.
And described explosion-proof dome type camera adopts extraordinary implosion guard, and the light passband is high, has eliminated infrared lamp halation fully; With and adopt all aluminium alloy global formation shell, the surface has function explosion-proof, dustproof and waterproof through fluorine charcoal spray treatment.
Advantage of the present invention and good effect are:
1, the present invention adopts cmos image sensor to line by line scan, fast response time, and the installation infrared lighting module has made up video camera and can't photograph the deficiency of picture rich in detail under low-light (level) or dark situations, and reduced the holistic cost of video camera as the light filling measure.
2, high speed DSP digital signal processor of the present invention with video signal digitization and direct compressed encoding that cmos image sensor gathers, directly is sent on network by network interface RJ-45 Ethernet interface.In this process, digital signal is all adopted in whole processing of signal, and by Internet Transmission, has avoided causing the picture quality loss because of the multiple conversions between modulus.
3, Adoption Network video camera of the present invention, the Real Time Monitoring mode of breakthrough geographic restrictions by network video monitor and control system, can be carried out real-time remote monitoring in any point of network.Network system use " user name " and pass word are controlled the access to video information.As long as the image from video camera all can be watched and manage to online no matter be private network or the Internet.
4, the present invention is reasonable in design, utilizes the infrared illumination module can make video camera photograph image clearly in the low-light (level) situation; The extraordinary implosion guard that it adopts, the light passband is high, has eliminated infrared lamp halation fully; The nano-adelomorphic rain brush of using has the advantage that does not get wet with oil, eliminating dust; Cmos image sensor is lined by line scan, pixel-intensive, has reduced cost and the power consumption of video camera integral body.
Description of drawings
Fig. 1 is theory structure block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is further described:
The explosion-proof dome type camera of a kind of network mega pixel high definition, as shown in Figure 1: consisted of by camera lens, cmos image sensor, high-speed dsp digital signal processor, infrared illumination module, network interface, power supply and power management module; Wherein, camera lens is connected with cmos image sensor, and the high-speed dsp digital signal processor is connected with network interface, and the infrared illumination module is connected with power management module, power supply by power management module to each module for power supply.
In conjunction with Fig. 1, set forth operation principle of the present invention: in well-lighted situation, the picture signal of camera lens collection passes on cmos image sensor after filter filtering, analog signal converts digital signal to through A/D converter, this digital signal can obtain image clearly through the high-speed dsp digital signal processor processes; In insufficient light or rayless situation, the filter of cmos image sensor front is with ineffective, and infrared illumination this moment module provides light source for video camera, makes video camera photograph image clearly.Digital signal is after the high-speed dsp digital signal processor processes, directly be converted into the packet based on the TCP/IP network standard, make the picture of shot by camera directly be sent on network by the RJ-45 Ethernet interface, as long as online, no matter be private network or the Internet, all can watch and manage image and relevant information from video camera; Power supply by power management module to each module for power supply.
It is emphasized that embodiment of the present invention is illustrative, rather than determinate, so the present invention is not limited to the embodiment described in embodiment, every other enforcements that drawn by those skilled in the art's technical scheme according to the present invention.
Claims (7)
1. the explosion-proof dome type camera of network mega pixel high definition, is characterized in that: be made of camera lens, cmos image sensor, high-speed dsp digital signal processor, infrared illumination module, network interface, power supply and power management module; Wherein, camera lens is connected with cmos image sensor, and the high-speed dsp digital signal processor is connected with network interface, and the infrared illumination module is connected with power management module, power supply by power management module to each module for power supply.
2. the explosion-proof dome type camera of network mega pixel high definition according to claim 1, is characterized in that: 1/3 inch cmos image sensor of described sensor devices employing.
3. the explosion-proof dome type camera of network mega pixel high definition according to claim 1 is characterized in that: described infrared illumination module adopts the LED infrared lamp as luminescence medium.
4. the explosion-proof dome type camera of network mega pixel high definition according to claim 1, is characterized in that: the two filters of IRC that described video camera employing has handoff technique.
5. the explosion-proof dome type camera of network mega pixel high definition according to claim 1, it is characterized in that: described high-speed dsp digital signal processor adopts H.264 image compression technology.
6. the explosion-proof dome type camera of network mega pixel high definition according to claim 1, is characterized in that: described network interface employing RJ-45 Ethernet interface.
7. the explosion-proof dome type camera of network mega pixel high definition according to claim 1 is characterized in that: described explosion-proof dome type camera adopts extraordinary implosion guard and all aluminium alloy global formation shell, and the surface is through fluorine charcoal spray treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110348082 CN103095971A (en) | 2011-11-07 | 2011-11-07 | Network megapixel high-definition anti-explosion dome camera |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110348082 CN103095971A (en) | 2011-11-07 | 2011-11-07 | Network megapixel high-definition anti-explosion dome camera |
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| CN103095971A true CN103095971A (en) | 2013-05-08 |
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| CN 201110348082 Pending CN103095971A (en) | 2011-11-07 | 2011-11-07 | Network megapixel high-definition anti-explosion dome camera |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103347149A (en) * | 2013-06-24 | 2013-10-09 | 武汉烽火众智数字技术有限责任公司 | Spherical camera core directly outputting network video signals |
| CN106331647A (en) * | 2016-09-14 | 2017-01-11 | 长飞光纤光缆股份有限公司 | Optical fiber ring wire arrangement monitoring system |
| CN108414976A (en) * | 2018-01-17 | 2018-08-17 | 石化盈科信息技术有限责任公司 | Explosion-proof type bluetooth positioning device |
-
2011
- 2011-11-07 CN CN 201110348082 patent/CN103095971A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103347149A (en) * | 2013-06-24 | 2013-10-09 | 武汉烽火众智数字技术有限责任公司 | Spherical camera core directly outputting network video signals |
| CN106331647A (en) * | 2016-09-14 | 2017-01-11 | 长飞光纤光缆股份有限公司 | Optical fiber ring wire arrangement monitoring system |
| CN108414976A (en) * | 2018-01-17 | 2018-08-17 | 石化盈科信息技术有限责任公司 | Explosion-proof type bluetooth positioning device |
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Application publication date: 20130508 |