CN2867766Y - Inserted photograph device used for obtaining evidence - Google Patents
Inserted photograph device used for obtaining evidence Download PDFInfo
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- CN2867766Y CN2867766Y CN 200620056594 CN200620056594U CN2867766Y CN 2867766 Y CN2867766 Y CN 2867766Y CN 200620056594 CN200620056594 CN 200620056594 CN 200620056594 U CN200620056594 U CN 200620056594U CN 2867766 Y CN2867766 Y CN 2867766Y
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Abstract
The utility model discloses an embedded photographing device for taking evidence. The device includes a charge-coupled CCD camera, a visual decoding chip, a visual compressing chip, a synchronous dynamic memory, a first-in first-out pipe memory connecting the visual decoding chip and the visual compressing chip, an embedded microprocessor connecting with the first-in first-out pipe memory, a second memory connected with the embedded microprocessor, a detector connected with the embedded microprocessor, and an internal integrated circuit bus connected with the embedded microprocessor and the visual decoding chip. The utility model solves the problems of the existing closed monitor system such failed evidence taking caused by unclear video. It makes the monitor system reliable and the monitored information can be seen through a remote computer via internet or through a TV set or monitor via an AV terminal.
Description
Technical field
The utility model relates to a kind of camera arrangement, especially relates to a kind of embedded camera arrangement that can be used for collecting evidence.
Background technology
The safety precaution closed monitor system has obtained using widely now, but substantially all is to adopt the technology of DVR to carry out the storage of Video Document.If in monitoring range, found criminal offence or accident problem, just can call the video file that is stored in the DVR and analyze evidence obtaining etc.But since the video file of DVR storage because restriction maximum (generally) resolution of memory capacity only is 320 * 288, the picture rich in detail that the video camera that can not reduce fully after the video recording compression photographs, therefore often can only see the general of on-site supervision situation, even owing to the bad resolution image that is difficult to of video recording equipment possibility, thereby also can't provide valuable evidence obtaining data.
The resolution of current video camera generally can both reach D1 resolution (704 * 576), can be clearly seen that the accurate feature of people in the monitoring range, thing by the monitor that is attached thereto, if can capture at the video flowing that people, thing directly transmit video camera during through the appointed area, and the form with photo is stored on the local storage medium, the storage of enforcement double copies so just can solve the unintelligible even beyond all recognition situation of image forensic.Also solved simultaneously in case just can not the record a video problem of the evidence that can't provide strong of storage media failure or maintenance occurs.
Also develop now and the digital network video camera, as " web camera of built-in network hub " by name, number of patent application is CN200410004775.2; " embedded wireless net remote image communication terminal " by name, the patent No. is CN200320114889.3.But the two all just changes former simulation video camera transmission means, makes Network Based transmission of its energy, still can not solve the unsharp problem of video file.And be called " anti-robbery anti-theft is taken pictures continuously, warning device ", the patent No. is CN92223470.1, adopted the technical scheme of using automat, but because the problem that camera exists shutter influenced by light, must increase the exposure light source of taking pictures, therefore can only be applied to have very large region limits as room areas such as banks.
Summary of the invention
The purpose of this utility model provides a kind of embedded camera arrangement that can be used for collecting evidence.This embedded camera arrangement can solve the deficiency of existing safety precaution closed monitor system, and it is clear inadequately to solve video file, causes the problem of evidence obtaining failure.Can make simultaneously the supervisory control system reliable operation more, the content of monitoring can also be carried out Network Transmission simultaneously, be transferred on the remote computer by general transmission control protocol/internet protocol and check, also can by AV terminal connect television set or monitor directly retrieval check.
The purpose of this utility model is achieved in that a kind of embedded camera arrangement that can be used for collecting evidence, and comprises charge coupled device camera, video decoding chip, video compression chip, synchronous DRAM,
Also comprise simultaneously,
First-in first-out pipelined storage device is connected with above-mentioned video compression chip with above-mentioned video decoding chip, with as external cache, is used to store the video signal of decoded camera input;
Embedded microprocessor is connected with above-mentioned first-in first-out pipelined storage device, is used for above-mentioned digital video signal data and handles;
Second memory is connected with above-mentioned embedded microprocessor, is used to store the digital signal after above-mentioned embedded microprocessor is handled;
Detector is connected with above-mentioned embedded microprocessor, is used for triggering above-mentioned embedded microprocessor as mobile object during through above-mentioned camera and begins system initialization work;
Internal integrate circuit bus is connected with above-mentioned video decoding chip with above-mentioned embedded microprocessor, is used for the above-mentioned video decoding chip of initialization and controls its operating state.
And,
Above-mentioned embedded camera arrangement also comprises an ethernet control chip, is connected with above-mentioned embedded microprocessor, is used for the Voice ﹠ Video data are carried out Network Transmission with the form of User Datagram Protoco (UDP) bag.
Above-mentioned embedded camera arrangement also comprises a computer, is connected by transmission control protocol/internet protocol with above-mentioned ethernet control chip, is used for checking by the internet video file of above-mentioned second memory stored.
Above-mentioned embedded camera arrangement also comprises an audio/video lead-out terminal, is connected with above-mentioned embedded microprocessor, is used for being connected with external display device, directly shows the video file of above-mentioned second memory stored.
Above-mentioned second memory is set to vector format animation memory or ide hard disk.
Above-mentioned detector comprises two infrared/receiving terminal; One microprocessor is connected respectively with above-mentioned two infrared/receiving terminal; One input/output port is connected with above-mentioned microprocessor, be used to export above-mentioned microprocessor control signal with trigger above-mentioned embedded microprocessor and begin to take pictures and the storage picture file to above-mentioned second memory.
Above-mentioned detector comprises the ultrasonic wave sending and receiving apparatus; One microprocessor is connected with above-mentioned ultrasonic wave sending and receiving apparatus; One input/output port is connected with above-mentioned microprocessor, be used to export above-mentioned microprocessor control signal with trigger above-mentioned embedded microprocessor and begin to take pictures and the storage picture file to above-mentioned second memory.
Above-mentioned detector comprises the software video virtual coil; Detect and output signal is instructed and begun to take pictures and the storage picture file arrives above-mentioned second memory to the embedded microprocessor of sending out above-mentioned by software systems.
Above-mentioned embedded microprocessor is set to the AT91M40800 chip, and above-mentioned ethernet control chip is set to the RTL8019AS chip.。
Above-mentioned embedded camera arrangement also comprises a logic control chip, is set to the XC2S50E chip, is connected with above-mentioned embedded microprocessor with above-mentioned video compression chip respectively, is used to carry out logic and sequencing control.
Realize above-mentioned technical scheme, just can realize the purpose of this utility model.It is clear inadequately to have solved existing safety precaution closed monitor system video file, causes the problem of evidence obtaining failure.Also make simultaneously the supervisory control system reliable operation, the content of monitoring can also be carried out Network Transmission simultaneously, be transferred on the remote computer by the internet and check, also can directly check by television set or monitor by AV terminal.
Description of drawings
Fig. 1 is a systematic schematic diagram of the present utility model;
Fig. 2 is the schematic diagram of detector of the present utility model;
Fig. 3 is an operation principle flow chart of the present utility model.
Specific embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing,, can clearerly find out and understand advantage of the present utility model place by description to the utility model preferred embodiment.
As Fig. 1 is systematic schematic diagram of the present utility model.CCD (charge coupled device) camera inputs to video decoding chip with the PAL that collects or the analog video signal of TSC-system formula, to convert digital video signal to, this digital video signal comprises brightness, carrier chrominance signal, form is YUV (the eurovision system colors coding) 4:2:2 of standard, produce field sync signal VREF and line synchronizing signal HREF simultaneously, input to the MPEG compression chip again and compress with synchronously.The first-in first-out pipelined storage device that the video data that output is handled in compression is flowed through as external cache is input to embedded microprocessor, to carry out the data processing of total system; Also output to SDRAM (synchronous DRAM is stored) simultaneously.Adopt the mode of interrupt requests to finish the collection of data and the access of program after the whole system initialization, I2C (internal integrated circuit) bus initialization simultaneously video decoding chip, and control its operating state and working method.
Video decoding chip adopts programmable vision input process chip SAA7113 preferably, and this chip can insert four tunnel vision signals simultaneously, uses the I2C bussing technique.
The MPEG compression chip adopts the W99200F chip preferably, and embedded microprocessor adopts the AT91M40800 microprocessor of Britain ARE company.
Still as Fig. 1, field programmable gate array chip is adopted in logic control, can use the XC2S50E chip preferably, this chip controls interrupt requests and some chip selection signal.The logic control chip is connected by interface with the MPEG compression chip, and control MPEG compression chip is finished address generation, handshake logic, sequencing control etc.
When the XC2S50E chip detection when the odd even synchronous mark signal RTSO of SAA7113 chip output is high level, with this sequential starting point as the image data process, the output sampling makes digital signal and address gating signal then; And when detecting pixel time-delay end signal, generate corresponding write address and write signal again.
The XC2S50E chip of SPARTAN-IIE series has such characteristics, integrated DDL (digital delay phase-locked loop), FIFO (first-in first-out pipeline) memory, converter, pci bus interface; And during initialization, putting DONE is low level, and putting INIT when the memory zero clearing again is low level, the PROGRAM that resets in proper order, thus will compress the input of data processed stream.
After embedded microprocessor collects data, send useful signal to the logic control chip, and the sampling process of logic control chip controls video decoding chip, after promptly whenever finishing the collection compression of frame data, the logic control chip sends interrupt request singal and waits for corresponding to embedded microprocessor.
System data is after embedded microprocessor is finished processing, be input to ethernet control chip, form with UDP (User Datagram Protoco (UDP)) bag, upload to the internet based on transmission control protocol/internet protocol, be equiped with the corresponding calculated machine at far-end, just can check the photo that the utility model is taken pictures and stored.Certainly, embedded microprocessor also can be decoded the back by the AV terminal output signal, utilizes television set or monitor or other suitable display devices to check these photos.Like this, cooperate Video Document again, can find out the photo of valuable people clearly, thing accurately.
Ethernet control chip adopts the RTL8019AS chip as the master control chip preferably, this chip meets Ethernet II (Ethernet baseband LAN standard) and IEEE802.3 (wireless access device network standard), adopt full duplex mode, have 8 interruption application lines and 16 I/O (input and output) base address to select.
The I2C bus comprises SCL (serial time clock line) and SDA (serial data line).
The utility model has also comprised the photo storage medium, and storage medium has multiple choices, can be Flash ROM (vector format animation memory), perhaps IDE (ide) hard disk, perhaps any suitable storage medium such as SDK card.All be connected, accept and store corresponding photo files with embedded microprocessor.
As Fig. 1 and Fig. 2, detector is connected with embedded microprocessor, starts working as triggering embedded microprocessor.Detector comprises two infrared receiving systems 1,2, be connected with a microprocessor respectively, and microprocessor can be exported control signal by input/output interface.Detector can also comprise a ultrasonic wave sending and receiving apparatus, perhaps utilizes the software video virtual coil, and it acts on as aforesaid infrared receiving system, and the three can individualism, also can make up and deposit.Its principle be utilize infrared receiving device 1,2 or ultrasonic wave emission receiving device or software video virtual coil (more than be 3 kinds of modes of judging people, thing, it can carry out logical combination according to field condition) survey predefined zone whether targets such as mobile people, thing are arranged, begin to take pictures to trigger embedded microprocessor.
As Fig. 3, be workflow diagram of the present utility model, simply show workflow, be more convenient for understanding the utility model.
At first be that detector is when detecting predefined zone mobile people, thing target being arranged, the utility model is just taken pictures and local storage, if there is criminal offence to take place then, perhaps there is accident to take place to check photo, then can utilize computer to read photo by the internet; Perhaps output on television set or the monitor by AV, and further by connecting netting twine to computer.Valuable photo can be preserved at last, so that use as evidence or clue.
Here it is to be noted: those of ordinary skill in the art can make various suitable distortion or replacement on basis of the present utility model, but all these distortion or replacement all should belong to protection range of the present utility model.
Claims (4)
1, a kind of embedded camera arrangement that can be used for collecting evidence comprises charge coupled device camera, video decoding chip, video compression chip, synchronous DRAM, it is characterized in that described embedded camera arrangement also comprises,
First-in first-out pipelined storage device is connected with described video compression chip with described video decoding chip, with as external cache, is used to store the video signal of decoded camera input;
Embedded microprocessor is connected with described first-in first-out pipelined storage device, is used for described digital video signal data and handles;
Second memory is connected with described embedded microprocessor, is used to store the digital signal after described embedded microprocessor is handled;
Detector is connected with described embedded microprocessor, is used for triggering described embedded microprocessor when the described camera of mobile object process and begins system initialization work; Internal integrate circuit bus is connected with described video decoding chip with described embedded microprocessor, is used for the described video decoding chip of initialization and controls its operating state.
2, a kind of embedded camera arrangement that can be used for collecting evidence according to claim 1, it is characterized in that described embedded camera arrangement also comprises an ethernet control chip, be connected with described embedded microprocessor, be used for the Voice ﹠ Video data are carried out Network Transmission with the form of User Datagram Protoco (UDP) bag.
3, a kind of embedded camera arrangement that can be used for collecting evidence according to claim 1 and 2, it is characterized in that described embedded camera arrangement also comprises a computer, be connected by transmission control protocol/internet protocol with described ethernet control chip, be used for checking the video file of described second memory stored by the internet.
4, a kind of embedded camera arrangement that can be used for collecting evidence according to claim 1, it is characterized in that described embedded camera arrangement also comprises an audio/video lead-out terminal, be connected with described embedded microprocessor, be used for being connected, directly show the video file of described second memory stored with external display device.
A kind of embedded camera arrangement that can be used for collecting evidence according to claim 1 is characterized in that described second memory is set to vector format animation memory or ide hard disk.
A kind of embedded camera arrangement that can be used for collecting evidence according to claim 1 is characterized in that described detector comprises two infrared/receiving terminal; One microprocessor is connected respectively with described two infrared/receiving terminal; One input/output port is connected with described microprocessor, be used to export described microprocessor control signal with trigger described embedded microprocessor and begin to take pictures and the storage picture file to described second memory.
A kind of embedded camera arrangement that can be used for collecting evidence according to claim 1 is characterized in that described detector comprises the ultrasonic wave sending and receiving apparatus; One microprocessor is connected with described ultrasonic wave sending and receiving apparatus; One input/output port is connected with described microprocessor, be used to export described microprocessor control signal with trigger described embedded microprocessor and begin to take pictures and the storage picture file to described second memory.
A kind of embedded camera arrangement that can be used for collecting evidence according to claim 1 is characterized in that described detector comprises the software video virtual coil; Detect and output signal is instructed to sending out described embedded microprocessor and begin to take pictures and the storage picture file arriving described second memory by software systems.
A kind of embedded camera arrangement that can be used for collecting evidence according to claim 1 and 2 is characterized in that described embedded microprocessor is set to the AT91M40800 chip, and described ethernet control chip is set to the RTL8019AS chip.
According to claim 1 or 2 or 4 or 7 or 8 described a kind of embedded camera arrangements that can be used for collecting evidence, it is characterized in that described embedded camera arrangement also comprises a logic control chip, be set to the XC2S50E chip, be connected with described embedded microprocessor with described video compression chip respectively, be used to carry out logic and sequencing control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620056594 CN2867766Y (en) | 2006-03-15 | 2006-03-15 | Inserted photograph device used for obtaining evidence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620056594 CN2867766Y (en) | 2006-03-15 | 2006-03-15 | Inserted photograph device used for obtaining evidence |
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| Publication Number | Publication Date |
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| CN2867766Y true CN2867766Y (en) | 2007-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620056594 Expired - Fee Related CN2867766Y (en) | 2006-03-15 | 2006-03-15 | Inserted photograph device used for obtaining evidence |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779414A (en) * | 2012-08-09 | 2012-11-14 | 安徽蓝盾光电子股份有限公司 | Intelligent transportation card slot system with video detection function |
| CN109963102A (en) * | 2017-12-26 | 2019-07-02 | 北京君正集成电路股份有限公司 | Video recording system |
| CN109963103A (en) * | 2017-12-26 | 2019-07-02 | 北京君正集成电路股份有限公司 | Low-power consumption kinescope method and device |
-
2006
- 2006-03-15 CN CN 200620056594 patent/CN2867766Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102779414A (en) * | 2012-08-09 | 2012-11-14 | 安徽蓝盾光电子股份有限公司 | Intelligent transportation card slot system with video detection function |
| CN109963102A (en) * | 2017-12-26 | 2019-07-02 | 北京君正集成电路股份有限公司 | Video recording system |
| CN109963103A (en) * | 2017-12-26 | 2019-07-02 | 北京君正集成电路股份有限公司 | Low-power consumption kinescope method and device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |