CN203261401U

CN203261401U - IPC megapixel high-definition internet protocol camera

Info

Publication number: CN203261401U
Application number: CN 201320265003
Authority: CN
Inventors: 张能峰
Original assignee: SHENZHEN WANJIAAN INDUSTRIAL Co Ltd
Current assignee: Shenzhen Wanjiaan Interconnected Technology Co ltd
Priority date: 2013-05-13
Filing date: 2013-05-13
Publication date: 2013-10-30
Anticipated expiration: 2023-05-13

Abstract

The utility model discloses an IPC megapixel high-definition internet protocol camera which comprises a DM368 chip. The DM368 chip is connected with a Flash storage module, a Ram storage module, a wireless network module and an SD card storage interface. A CMOS image sensor is connected with the DM368 chip via an analog-digital converter and a video compression module. The beneficial effects are that: the compression ratio of video files is high, so downloading time of users is greatly saved and data traffic charges are reduced; and the IPC megapixel high-definition internet protocol camera is capable of providing high-quality images with continuous flows and supporting multiple network protocols.

Description

IPC mega pixel high-definition network camera

Technical field

The utility model relates to a kind of security product, is specially IPC mega pixel high-definition network camera.

Background technology

Along with the quickening of security protection industry to digitlization, networking, intellectuality, high Qinghua future development paces, traditional video monitoring has day by day exposed its drawback, is mainly manifested in complicated wiring installation and can not satisfies large-scale monitored item purpose demand.1,000,000 IPC mega pixel high-definition network cameras are just meeting above-mentioned requirements, and 1,000,000 early stage high-definition cameras nearly all come from external producer and their agency, and product price is extremely expensive, and allowing much needs the user of high definition device to hang back.But nowadays, the domestic technique environment reaches its maturity, so that domestic enterprise also can independent development IPC mega pixel high-definition network camera and along with the decline of hardware and technical costs, the price of IPC mega pixel high-definition network camera oneself through the traditional analog video camera of approaching simulation more and more so that more users can be afforded to use IPC mega pixel high-definition network camera.Because have the competitive advantage of price, so must be high definition year the coming years, the safety monitoring industry will inevitably reshuffle, therefore more and more eager to the research and development of IPC mega pixel high-definition network camera.Along with safety monitoring is more and more higher to the requirement of image quality, it is matter of time that digital camera replaces analog video camera.Therefore IPC mega pixel high-definition network camera is the inexorable trend of security protection Video Surveillance Industry development.

Web camera is a kind of novel embedded network equipment, adopts various coding techniquess to realize video compression, based on the transmission of TCP/IP network implementation realize voice, video data and order.The user can also control The Cloud Terrace and camera lens by the access to netwoks web camera for the user that mandate is arranged, or web camera is carried out various parameter settings.Because web camera adopts integrated design, uses the TCP/IP network, does not need to lay special network, has reduced cost, have plug and play, use flexibly, safeguard advantage simple, that stability is high.Present web camera, ubiquitous problem be, the compression ratio of video file is lower so that file is excessive, in mistakes such as the incidental packet losses of unstable net environment, network adaptability is relatively poor, picture quality is relatively poor.

The utility model content

For the deficiencies in the prior art, the utility model proposes a kind of novel IPC mega pixel high-definition network camera.

The technical scheme that the utility model adopts is as follows:

IPC mega pixel high-definition network camera, comprise a DM368 chip, the DM368 chip is connected with Flash memory module, Ram memory module, wireless network module, SD card memory interface, and a cmos image sensor is connected with the DM368 chip with video compressing module by analog to digital converter.

Preferably, the Flash memory module is NAND FLASH memory.

Preferably, the Ram memory module is DDR2 SDRAM memory.

Preferably, the DM368 chip also is connected with audio signal receiving system and audio signal dispensing device, and audio coder-decoder.

Preferably, the DM368 chip also is connected with the SD card interface.

The beneficial effects of the utility model are that the video file compression ratio is high, greatly save user's download time and data traffic charge; The high quality graphic of continuous process can be provided, can support the multiple network agreement.

Description of drawings

Fig. 1 is circuit theory diagrams of the present utility model.

Embodiment

Below, by reference to the accompanying drawings and embodiment, the utility model is described further, so that clearerly understand the utility model technological thought required for protection.

Preferably, the Flash memory module is NAND FLASH memory.

Preferably, the Ram memory module is DDR2 SDRAM memory.

Preferably, the DM368 chip also is connected with the SD card interface.

During video camera work, obtain instant high definition image information by cmos image sensor, be digital signal with vision signal by analog signal conversion by the analog-to-digital conversion device then, compress via video compressing module again, data after the processing, can leave in the local storage for reading, also can be sent to supervisory control system by wireless network module.

The utility model adopts the DM368 chip as main control chip, this is the multimedia process chip of a special use, inner integrated core running frequency is up to 432Mhz, it is also integrated two video data coprocessor HDVICP and MJCP, these two coprocessors are finished the function that data are processed, and support H.264 standard 1080p@30fps fully.And DM368 chip periphery equipment interface resource is abundanter.Aspect Software for Design, aspect Software for Design, it is that its terminal video camera is realized the differentiation characteristic that the complete Linux application software package that the DM368IP video camera comprises can help the client, the ISP debugging acid 1.0 that this application software package comprises is supported physics safety mutual operability alliance standard with hardware-accelerated AES encrypting module, thereby can realize using more easily and disposing.These advantages are combined, can help our fast creation such as IP video camera or closed-circuit television IP video camera etc. to have full HD video product, do simultaneously the service of customization for we client, on the basis of scientific and technical innovation, for satisfying as early as possible client's demand, for condition has been created in client's creation of value.

H.264 compress technique has the following advantages: compare with compression technology such as MPEG2 and MPEG4ASP, under equal picture quality, the data volume after the compression only has 1/8 of MPEG2, and 1/3 of MPEG4 will save user's download time and data traffic charge greatly; H.264, continuous, smooth high quality image (DVD quality) can be provided; H.264 provide and solved in wrong essential tool such as the incidental packet losses of unstable net environment; H.264, network abstraction, layer (Network Abstraction Layer) is provided so that file H.264 can be easily heterogeneous networks transmission (for example the Internet, CDMA, GPRS, WCDMA, CDMA2000 etc.).

Just because of based on the following characteristic of DM368 chip, make it be in highly beneficial technology status in market competition, its characteristic is as follows:

Advanced 3A (Automatic white balance, automatic exposure, automatic gain) control algolithm

Video acquisition adopts cmos sensor;

Code check with 4-6Mbps under the full frame rate of per second 30 frames provides video flowing;

Resolution is up to (1080p lines by line scan) of 1920x1080 pixel;

Perhaps 1920*1080P30

Support multiple network agreement such as TCP/IP, DHCP, HTTP, UDP, UPnP, FTP, SMTP, RTP etc.;

Adopt DM368 high-speed video processor;

Multiple compressed format

As H.264/MPEG4/MJPEG waiting;

Minimal illumination: 0.5lux F1.2 (colour), 0.11ux F1.2 (black and white);

Embedded web server is supported PoE (Power-over-Ethernet need not power line);

Support motion detection, the detection of people's face, warning and SD card scheduled recording;

Support arranges network by USB interface

Support compression algorithm: H.264/MPEG4/MJPEG

Support resolution:

·H.264?1080P?30fps

·H.264?SXGA?30fps

·MPEG4?SXGA?30fps

·JPEG?SXGA?30fps

H.264 (1080P, 30fps)/H.264 (QVGA, 30fps)/G.711 two video streaming

H.264 (720P, 30fps)/H.264 (CIF, 30fps)/G.711 two video streaming

H.264 the two video streaming of (720P, 30fps)/JPEG (VGA, 15fps)/G.711

264 (D1,30fps) X2 two video streaming

Based on above-mentioned characteristic, when bringing high-quality video stream and image, the scheme of its many code streams is watched for solving the low code check of far-end, local high code check storage, running into external trigger is high-quality MJPEG image, is client's playback, and precious evidence and image data are brought in the maintenance scene.

In addition, the utility model also has following characteristics: powerful early warning and warning function, when equipment is in the state of deploying troops on garrison duty, if the on-the-spot alert that occurs of monitoring, photo site can in time occur to user's mobile phone or mailbox by network in system, starts simultaneously built-in buzzer or the field alert device carries out sound and light alarm; Privacy protection function, by the hand-hold wireless remote controller, the user can make things convenient for the privacy protection function of freely unlatching or closing device; Support IPTV Web TV standard to support the H.264 IPTV communications protocol of video flowing, standard A AC audio frequency and standard of standard, can by with the intercommunication cross complaint of IPTV system; The visual network intercommunication function, built-in microphone and loudspeaker need not external equipment can conveniently be realized the two-way voice talkback with the center; The local storage of SD card, built-in SD card memory interface can carry out video storage, backup and management; The WiFi wireless connections, the 802.11b/g radio network functions of standard, the user need not netting twine and connects, and video camera can be installed at an arbitrary position.

The utility model adopts the scheme that multi-process is combined with multithreading to develop.Below be the designed process of native system:

1) Audio and Video gathers process: comprise the encapsulation of collection, graphical analysis, data compression and the data of Audio and Video.This process adopts two-wire journey structure, thread of video acquisition, thread of audio collection.

2) system service process: major function is the normal operation of management whole system.Process the USB interface plug, the ancillary equipment such as SD card plug; Also comprise the miscellaneous function of processing some systems, process system journal etc. as reporting to the police; File management also is the work of system service process.

3) C/S network service process: respond the diverse network request of long-range PC end.Adopt dual-port structure, a control port, a code stream port.

4) B/S service processes: respond long-range PC end by the various requests of browser by web server.

5) simple mail client, ftp client, the Internet time can be used as the thread process that single process also can be used as above a certain process to client etc.

6) WIFI service processes: the wireless access service is provided.

For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection range of the utility model claim all.

Claims

1.IPC mega pixel high-definition network camera, it is characterized in that, comprise a DM368 chip, the DM368 chip is connected with Flash memory module, Ram memory module, wireless network module, SD card memory interface, and a cmos image sensor is connected with the DM368 chip with video compressing module by analog to digital converter.

2. IPC mega pixel high-definition network camera as claimed in claim 1 is characterized in that, the Flash memory module is NAND FLASH memory.

3. IPC mega pixel high-definition network camera as claimed in claim 1 is characterized in that, the Ram memory module is DDR2 SDRAM memory.

4. IPC mega pixel high-definition network camera as claimed in claim 1 is characterized in that, the DM368 chip also is connected with audio signal receiving system and audio signal dispensing device, and audio coder-decoder.

5. IPC mega pixel high-definition network camera as claimed in claim 1 is characterized in that the DM368 chip also is connected with the SD card interface.