CN2749015Y - Network controlled digital video recorder - Google Patents
Network controlled digital video recorder Download PDFInfo
- Publication number
- CN2749015Y CN2749015Y CNU2004200669474U CN200420066947U CN2749015Y CN 2749015 Y CN2749015 Y CN 2749015Y CN U2004200669474 U CNU2004200669474 U CN U2004200669474U CN 200420066947 U CN200420066947 U CN 200420066947U CN 2749015 Y CN2749015 Y CN 2749015Y
- Authority
- CN
- China
- Prior art keywords
- network
- interface
- chip
- module
- memory
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4113—PC
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/4147—PVR [Personal Video Recorder]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
- H04N21/4223—Cameras
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/43615—Interfacing a Home Network, e.g. for connecting the client to a plurality of peripherals
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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
-
- 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
- G08B13/19654—Details concerning communication with a camera
- G08B13/19656—Network used to communicate with a camera, e.g. WAN, LAN, Internet
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
The utility model provides a network-controlled digital video recorder. A compressing module, a storage module, a controlling and network-transmitting module are arranged on a host machine in a casing, wherein the controlling and network-transmitting module which is connected with a computer of a user terminal by a network comprises a CPU chip, a flash chip of flash memory in an exclusive-or mode, an SDRAM chip for connecting synchronous memory and a network interface chip, wherein an embedded network interface of the CPU chip is connected to the network interface chip; a data interface is connected with the flash chip of the flash memory in an exclusive-or mode; a memorizer interface is connected with the SDRAM chip of synchronous memory; an IDE interface is connected with the storage module; a USB interface is connected with the compressing module. The utility model has the advantages that the utility model adopts a special CPU supporting network function; the computer of the user terminal obtains sound / video images through the network and realizes long-distance real-time monitoring; the utility model is not easy to be attacked by viruses or hackers and is reliable and stable; the utility model saves the cost of wire laying.
Description
Technical field
The utility model relates to and be used for video monitoring equipment, particularly be network control digital VTR with Internet connection.
Background technology
At present, the structure of existing video monitoring system is: the video camera of front end is connected on the rear end digital video video recorder (being called for short DVR) with vision cable, the digital video video recorder also can supply user monitoring with signal conveys to monitor when the on-the-spot audio/video of record.The user can come by the button on computor-keyboard or the DVR fuselage digital video video recorder is controlled.
Fig. 1 is the structural representation of the DVR of prior art; Fig. 2 is the hard disc recording machine host inner module connection diagram of prior art.As shown in the figure, the DVR structure of prior art comprises: the main frame 1 that is connected with simulation audio/video signals such as the gamma camera 4 of front end, acoustic pickup 5, alarm probe 6; What link to each other with main frame 1 has display 2, mouse 11, a computer keyboard 12.Wherein main frame includes central processor CPU 9 and the compression module 7 that is connected with central processor CPU 9, memory module 8 in the main frame 1.
The employing embedded hard disc video tape recorder replacement computer main frame 1 that the structure of prior art DVR also has, the embedded hard disc video tape recorder is that the CPU in the common computer, memory module, compression module are integrated on the mainboard, shell is equipped with operation push-button, and its stability is better than common computer.
The signal evolution process of the video recorder of above-mentioned existing structure is: simulation audio/video signals such as the gamma camera 4 of front end, acoustic pickup 5, alarm probe 6 are input in the compression module 7, it is carried out analog/digital conversion and audio frequency and video compression, convert digital audio/video signal to by the main frame 1 that connects or the central processor CPU 9 in the embedded hard disc video tape recorder and general 8 pairs of front ends of memory module again and on display 2, play monitoring in real time.The defective of the DVR of above-mentioned prior art is: DVR can only be placed in the master-control room, the audio-video signal of front end can only be transferred to by vision cable and play in the master-control room and monitoring, the camera supervised point of master-control room distance is far away more, and the cable of laying is long more, and cost is high more.Existing monitor network is made up of many rig cameras and same number of video cable, and its quantities is big, and infusion of financial resources is many.In addition, the ordinary skill DVR is to increase on general INTEL or AMD main frame that simulation audio/video signals such as a gamma camera 4 with front end, acoustic pickup 5, alarm probe 6 compress, the compression module 7 of analog/digital conversion.Owing to adopt INTEL or AMD main frame, often occur crashing or being infected by the virus, cause the stability and the poor reliability of DVR.People extremely wish to occur a kind of good stability, with the audio/video signal of front end, store at on-site supervision, and can realize that control, real-time image monitor and historical image be had access to by network nearby, also can monitor at Control Room by analog video.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of above-mentioned technology, provide a kind of connection to have analog video front end watch-dog, after shortening the simulation audio/video signal pressure of collection in worksite into digital signal, store at the scene, and compression module is controlled and real time monitoring in real time by network transmission module, also the audio/video signal of storing at the scene can be propagated into the remote monitoring in real time of audio/video signal, the video image realized on the internet front end by network interface, cost is low, the network control digital VTR of good stability.
Solving the problems of the technologies described above the technical scheme that is adopted is: a kind of network control digital VTR, include casing, in casing, be equipped with on the main frame: carry out compression module, the memory module of analog/digital conversion and the central processing unit that above-mentioned two module by signal are controlled with the simulation audio/video signal of front end, described central processing unit is control and network transmission module, is connected with network between control and network transmission module and the user terminal computer; This control and network transmission module comprise: cpu chip, XOR pattern flash memory flash chip, connection isochronous memory SDRAM chip and network interface chip; Wherein cpu chip has as lower interface: embedded network interface, data-interface, memory interface, ide interface, USB USB (universal serial bus); Wherein embedded network interface is connected to network interface chip; Data-interface connects XOR pattern flash memory flash chip; Memory interface connects isochronous memory SDRAM chip; Ide interface connects memory module; The USB USB (universal serial bus) connects compression module.
The beneficial effects of the utility model are: Internet video digital video of the present utility model has been abandoned traditional computer organization, adopt CPU to form an embedded OS, this embedded OS has removed the module of common computer routine, as: remove parallel interface module, floppy drive module, CD-ROM module etc., only keep the needed module of the utility model, make it simple in structure, efficient and stability improve, and this system has following characteristics:
1, can be placed on the front end of supervisory system, nearby the audio/video signal be recorded a video, store at the scene.Video line need not to guide to the center monitoring chamber, saves wiring cost.By network digital VTR is carried out Long-distance Control and calls.
2, network enabled function, user terminal computer can obtain the audio/video image by network, can realize on-the-spot audio frequency and video storage and remote monitoring in real time, need not to be provided with any button and configuration keyboard on digital hard disk video tape recorder of the present utility model.
3, abandoned personal computer PC frame structure, the embedded connection framework of the embedded OS that employing support can be moved is not easy to be subjected to virus and assault, has improved reliability, stability, has also realized video scene, monitoring remoteization.
4. case material of the present utility model is that 16MnR, its thickness are 4mm-6mm, substitutes existing general steel plate, strengthens anti-riot function.
Description of drawings
Fig. 1 is the structural representation of the DVR of prior art;
Fig. 2 is the DVR host hard drive inner module connection diagram of prior art;
Fig. 3 is control of the utility model video recorder and the inner connection diagram of network transmission module.
Embodiment
The utility model provides a kind of network control digital VTR, include casing, in casing, be equipped with on the main frame: carry out the compression module of analog/digital conversion with the simulation audio/video signal of front end, memory module and the central processing unit that above-mentioned two module by signal are controlled, described central processing unit is control and network transmission module 19, and be connected with network 20 between control and network transmission module 19 and the user terminal computer 18: this control and network transmission module 19 comprise: cpu chip 13, XOR pattern flash memory flash chip 16, connect isochronous memory SDRAM chip 15 and network interface chip 17; Wherein cpu chip 13 has as lower interface: embedded network interface A, data-interface B, memory interface D, ide interface E, USB USB (universal serial bus) C; Wherein embedded network interface A is connected to network interface chip 17; Data-interface B connects XOR pattern flash memory flash chip 16; Memory interface D connects isochronous memory SDRAM chip 15; Ide interface E connects memory module 8; USB USB (universal serial bus) C connects compression module 7.
Described cpu chip (13) adopts (SuSE) Linux OS.
The simulation audio/video signal of described front end is meant gamma camera, acoustic pickup, data input.
Described case material is that 16MnR, its thickness are 4mm-6mm.
Below in conjunction with accompanying drawing embodiment of the present utility model is further specified.
Fig. 3 is control of the utility model video recorder and the inner connection diagram of network transmission module.As shown in the figure, the network control digital VTR comprises the casing identical with existing structure 1 (not shown), and the port (not shown) and the output interface 17 that is connected network 20 of simulation audio/video signal inputs such as connecting gamma camera 4, acoustic pickup 5, alarm probe 6 arranged on the casing 1.
Above-mentioned control and network transmission module 19 include: central processor CPU chip 13; Connected compression module 7; Memory module 8; The XOR pattern flash memory flash chip 16, the isochronous memory SDRAM chip 15 that are connected with central processor CPU 13; The network interface 17 that is connected with central processor CPU 13.
Above-mentioned central processor CPU chip 13 can be selected the network-specific ETRAX1OOLX chip of Sweden AXIS company for use, also can select for use other to have the chip of network function.
The video recorder of said structure is the video camera 4 with front end, acoustic pickup 5, the simulation audio/video signal of collecting in the alarm probe 6 is input to compression module 7 backs it is carried out analog/digital conversion, and carry out the MPEG4 compression that present Global Access is used, connect CPU13 and general memory module 8 by usb bus 14 again, front end is converted to digital audio-video signal to be stored on hard disk, or send signal on the network 20 by the network interface A that is connected with CPU13, user terminal computer utilizes network to receive at a distance, we can realize the control of network remote video tape recorder and audio frequency and video and data transmission like this, abandoned the PC framework of conventional hard video recorder, and the supervisory keyboard that removes common embedded hard disc video tape recorder, virus and hacker's invasion and attack have been avoided, improved reliability, stability has also realized the video scene, the control monitoring remoteization.
The utility model selects for use cpu chip 13 to have as lower interface: embedded network interface A, data-interface B, memory interface D, ide interface E, USB USB (universal serial bus) C; Wherein embedded network interface A is connected to network interface chip 17; Data-interface B connects XOR pattern flash memory flash chip 16; Memory interface D connects isochronous memory SDRAM chip 15; Ide interface E connects memory module 8; USB USB (universal serial bus) C connects compression module 7.
Case material of the present utility model is selected the 16MnR that is better than general steel plate for use, and strengthens thickness to 4mm-6mm, substitutes existing general steel plate, strengthens anti-riot function.
Below operation of the present utility model is carried out following explanation.
1. at first, system connects with the mains, and central processor CPU chip 13 carries out conventional oneself from flash chip 16 reading systems and detects needed program, and writes operation in the SDRAM chip 15, the oneself who carries out each module detects, and whether the hardware that detects each several part is working properly;
2. central processor CPU chip 13 is provided with by the parameter of USB interface to compression module 7 according to user's setting, as the parameters such as resolution, colourity, brightness, contrast and frame flow rate of its compression are set.After parameter was provided with, compression module 7 was started working, and the audio/video signal that the outside is imported compresses, and the audio/video data after the compression is put into the buffer zone of compression module 7;
3. after the buffer zone of compression module 7 has been expired, propose to interrupt by 14 pairs of central processing unit cpu chips of usb bus 13, have no progeny during central processor CPU chip 13 receives and read the packed data of compression module 7 by usb bus 14, if being provided with, the user to preserve current packed data, then packed data is write memory module 7, do not preserve current packed data if the user has been provided with, then packed data is abandoned;
4. if user terminal computer need obtain current real-time audio/video on the network, then central processor CPU chip 13 is transferred to user terminal computer by network interface 17 after compression module 7 reads packed data;
5., realize the network remote monitor if the audio/video that the user of other computing machines need obtain to have preserved on the network after then central processor CPU chip 13 reads packed data from memory module 7, is transferred to user terminal computer by network interface.
Claims (4)
1. network control digital VTR, include casing, in casing, be equipped with on the main frame: carry out compression module, the memory module of analog/digital conversion and the central processing unit that above-mentioned two module by signal are controlled with the simulation audio/video signal of front end, it is characterized in that described central processing unit is control and network transmission module (19), is connected with network (20) between control and network transmission module (19) and the user terminal computer (18); This control and network transmission module (19) comprising: cpu chip (13), XOR pattern flash memory flash chip (16), connection isochronous memory SDRAM chip (15) and network interface chip (17); Wherein cpu chip (13) has as lower interface: embedded network interface (A), data-interface (B), memory interface (D), ide interface (E), USB USB (universal serial bus) (C); Wherein embedded network interface (A) is connected to network interface chip (17); Data-interface (B) connects XOR pattern flash memory flash chip (16); Memory interface (D) connects isochronous memory SDRAM chip (15); Ide interface (E) connects memory module (8); USB USB (universal serial bus) (C) connects compression module (7).
2. according to the network control digital VTR described in the claim 1, it is characterized in that described cpu chip (13) adopts the configuration (SuSE) Linux OS.
3. according to the network control digital VTR described in the claim 1, it is characterized in that the simulation audio/video signal of described front end is meant gamma camera, acoustic pickup, data input.
4. according to the network control digital VTR described in the claim 1, it is characterized in that described case material is that 16MnR, its thickness are 4mm-6mm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2004200669474U CN2749015Y (en) | 2004-04-07 | 2004-06-11 | Network controlled digital video recorder |
| PCT/CN2004/000725 WO2005099137A1 (en) | 2004-04-07 | 2004-07-02 | A digital video recorder controlled by network |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200420028702 | 2004-04-07 | ||
| CN200420028702.2 | 2004-04-07 | ||
| CNU2004200669474U CN2749015Y (en) | 2004-04-07 | 2004-06-11 | Network controlled digital video recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2749015Y true CN2749015Y (en) | 2005-12-28 |
Family
ID=35125431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2004200669474U Expired - Fee Related CN2749015Y (en) | 2004-04-07 | 2004-06-11 | Network controlled digital video recorder |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN2749015Y (en) |
| WO (1) | WO2005099137A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100531355C (en) * | 2006-06-02 | 2009-08-19 | 鸿富锦精密工业（深圳）有限公司 | Method for automatic selecting video signal transmission mode |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002170059A (en) * | 2000-11-30 | 2002-06-14 | Sanyo Electric Co Ltd | Data distribution system, device and method |
| CN1427628A (en) * | 2001-12-17 | 2003-07-02 | 浙江大学 | Network digital camera |
| KR100466790B1 (en) * | 2003-02-25 | 2005-01-15 | (주)나인플러스정보기술 | integerated DVR system |
-
2004
- 2004-06-11 CN CNU2004200669474U patent/CN2749015Y/en not_active Expired - Fee Related
- 2004-07-02 WO PCT/CN2004/000725 patent/WO2005099137A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100531355C (en) * | 2006-06-02 | 2009-08-19 | 鸿富锦精密工业（深圳）有限公司 | Method for automatic selecting video signal transmission mode |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2005099137A1 (en) | 2005-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |