CN203851240U - 3G-based intelligent examination room monitoring system - Google Patents
3G-based intelligent examination room monitoring system Download PDFInfo
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- CN203851240U CN203851240U CN201420221368.6U CN201420221368U CN203851240U CN 203851240 U CN203851240 U CN 203851240U CN 201420221368 U CN201420221368 U CN 201420221368U CN 203851240 U CN203851240 U CN 203851240U
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Abstract
The utility model relates to the video monitoring technical field and discloses a 3G-based intelligent examination room monitoring system. The 3G-based intelligent examination room monitoring system of the utility model comprises a system front end and a video receiving end which are connected with each other through a wireless network; the system front end includes an ARM processor, a video camera, a 3G chip, a FLASH chip and an SDRAM chip; the system front end is arranged in an examination room; the video camera, the FLASH chip, the SDRAM chip and the 3G chip are respectively connected with the ARM processor; the video receiving end comprises a handheld mobile terminal or a PC; and the handheld mobile terminal and the PC are both wirelessly connected with the 3G chip through 3G. With the 3G-based intelligent examination room monitoring system of the utility model adopted, wiring is not required, and the problem of line repair which is caused by damage to lines can be avoided. According to the 3G-based intelligent examination room monitoring system, examination room monitoring videos can be transmitted to the video receiving end in real time, and the video receiving end receives the videos through a smart mobile phone or a tablet computer, and therefore, a user can watch the monitoring videos whenever and wherever. The 3G-based intelligent examination room monitoring system has the advantages of small size and portable convenience.
Description
Technical field
The utility model relates to technical field of video monitoring, especially relates to a kind of intelligent examination hall supervisory control system based on 3G.
Background technology
Along with the develop rapidly of computer network and image processing transmission technology, the transmission of video images based on wireless technology and video monitoring mode have obtained greatly developing, and at a lot of complex environments, are widely used.China is a country that pays much attention to education, and various examination is to weigh a good important means of Students ' Learning, and the student in the examination hall problem of practising fraud is an insoluble difficult problem always, by teacher, goes supervision can not take into account all students comprehensively.
The monitoring of traditional examination hall adopts wired video monitoring mode mostly, by camera, monitors, and then by server, video pictures is sent to Surveillance center, by the PC of Surveillance center, is shown; The problem existing is: the video monitoring mode that tradition is wired, and video is transmission real-time being stored on hard disk afterwards, and server requirement hard drive space is enough large; Surveillance center must be supervised by special messenger, once supervisor leaves Surveillance center, just cannot be real-time monitor; Once and circuit damages, keep in repair very difficult.
Also do not have at present efficient system to solve the problems referred to above.
Utility model content
The technical problem that the utility model solves has been to provide a kind of intelligent examination hall supervisory control system based on 3G, the utility model combines long transmission distance, access convenience, the advantage of consistently online and the feature that volume is little, low in energy consumption, disposal ability is strong of embedded video image processing system of 3G Radio Transmission Technology, without connecting up, avoided circuit to damage and the problem of carrying out line maintenance; In real time examination hall monitor video is transferred to video receiver, video receiver, by smart mobile phone or panel computer receiver, video, can be watched monitor video anywhere or anytime, has advantages of that volume is little, easy to carry; The utility model is because adopt handheld terminal (mobile phone, flat board), can be under special circumstances (such as: have examinee to leave the behavior that seat, examination are thrown away the cheatings such as spitball or violated examination hall order), Realtime Alerts (being contained in advance the number clawback in SIM card), on the PC of video receiver, only need record examination hall video in particular cases, the hard drive space needing compared with traditional approach reduces greatly.The utility model is convenient to install, is carried, cost is low, and extensibility is strong.
In order to solve the problems of the technologies described above, the utility model provides a kind of intelligent examination hall supervisory control system based on 3G; Comprise: system front end and video receiver, described system front end is connected by wireless network with video receiver;
Described system front end comprises arm processor, video frequency pick-up head, 3G chip, FLASH chip and SDRAM chip;
Described system front end is located in examination hall; Described video frequency pick-up head, described FLASH chip, described SDRAM chip and described 3G chip are all connected with described arm processor;
Described video receiver comprises hand-held mobile terminal or PC; Described hand-held mobile terminal is all connected with described 3G chip with described PC.
Preferably, described hand-held mobile terminal comprises smart mobile phone or the panel computer of supporting 3G wireless network.
More preferably, each examination hall is provided with a set of described system front end.
More preferably, described hand-held mobile terminal and described PC and described 3G chip are by 3G wireless connections.
More preferably, the chip of the S3C6410 of described arm processor employing Samsung.
More preferably, the interface being connected with described arm processor comprises and USB interface, external memory interface and Ethernet interface.
More preferably, described FLASH chip is all connected with described arm processor by described external memory interface with described SDRAM chip.
More preferably, described Ethernet interface is expansion interface, and described arm processor is connected with described video receiver is wired by described Ethernet interface.
More preferably, described video frequency pick-up head adopts CMOS camera.
More preferably, described 3G chip adopts core to interrogate the 3G chip that logical model is SIM5320.
More preferably, the interface being connected with described 3G chip comprises and power interface, antennal interface, USB interface, SIM card interface and audio interface.
More preferably, described video frequency pick-up head is all connected with described arm processor by described USB interface with described 3G chip.
Monitor procedure of the present utility model is: system front end and video receiver communicate by 3G wireless network; The video data that is gathered examination hall by the video frequency pick-up head of system front end, is transferred to ARM flush bonding processor and processes, and after finishing dealing with, by 3G chip, exports to video receiver; The video image that the system front end receiving by wireless network sends, carries out the demonstration of video image by hand-held mobile terminal and PC.Wherein, Ethernet interface is expansion interface, carries out wired debugging while being mainly used in a little less than wireless router and wireless base station signal.When 3G wireless network breaks down, by Ethernet interface connected with network cable, adopt the mode of wire communication and the PC of video receiver to communicate.The utility model also has the function of Realtime Alerts, by the built-in SIM card of 3G chip (connecting by SIM card interface) of system front end, and be contained in advance the number clawback in SIM card, to mobile terminal device transmission note or the callback number of video receiver, report to the police.
Wherein, described 3G is 3G (Third Generation) Moblie technology, refers to the honeycomb mobile communication technology of supporting high speed data transfer.3G service can transmit sound and data message simultaneously, and speed is generally more than hundreds of kbps.3G refers to the third generation mobile communication system that the multimedia communications such as radio communication and Internet are combined, and 3G exists four kinds of standard: CDMA2000, WCDMA, TD-SCDMA, WiMAX at present.
Wherein, described arm processor is that AcoFFn computer Co., Ltd is towards the first item risc microcontroller of low budget Market Design.More early be called Acorn RISC Machine.Arm processor itself is 32 designs, but is also equipped with 16 bit instruction collection.Than 32 codes of equal value, save and reach 35% in general, the institute that but can retain 32 systems has superiority.
Wherein, described FLASH chip is to apply storage medium very widely, and what easily obscure with it is RAM chip, and we speak of this two kinds of chips through the article the inside of the relevant ST that is everlasting.Because their condition of work and mode are different, determine that their performances and purposes are also variant.
Wherein, described SDRAM is the english abbreviation of Synchronous Dynamic Random Access Memory, Chinese translation is synchronous DRAM, synchronously refers to Memory need of work synchronised clock, and the inner transmission of order and the transmission of data all be take it as benchmark; Dynamically refer to that storage array need to constantly refresh to guarantee that data do not lose; Stochastic certificate is not or not linearity is stored successively, but free assigned address carries out reading and writing data.
Wherein, described USB interface is USB (universal serial bus) (English: Universal Serial Bus, be called for short USB interface) be a serial ports bus-bar standard that connects external device (ED), USB20D is used extensively on computers, but also can be used on Set Top Box and game machine, supplementing standard 0n-The-Go (OTG) can be for direct swap date between portable unit.
Wherein, described COMS camera, is a kind of high-definition camera that adopts cmos image sensor, because CMOS structure is relatively simple, identical with existing large scale integrated circuit production technology, thereby production cost can reduce.CMOS refers to the complementary integrated circuit manufacturing process that CMOS (Complementary Metal Oxide Semiconductor) forms, and its feature is low-power consumption.
Wherein, described SIM5320 Wei Xinxuntong company produces; Model is the embedded GPS module of the 3G chip of SIM5320 and ICP/IP protocol stack, and this chip is not only powerful, simple to operate, and has that volume is little, lightweight, performance high, can realize the seamless link with internet (internet).
Wherein, described S3C6410 is that Samsung produces, the processor based on ARMll framework.S3C6410 is 16/32 risc microcontroller, has low cost, low in energy consumption, the feature that performance is high.It provides the performance of optimization for 2.5G and 3G communication service.External memory interface is the interface of S3C6410ARM processor, and effect is for expanding outside FLASH chip and SDRAM chip.
The utility model compared with prior art, has following beneficial effect:
The utility model provides a kind of intelligent examination hall supervisory control system based on 3G, the utility model combines long transmission distance, access convenience, the advantage of consistently online and the feature that volume is little, low in energy consumption, disposal ability is strong of embedded video image processing system of 3G Radio Transmission Technology, make whole intelligent examination hall supervisory control system be convenient to install to carry, cost is low, extensibility is strong.
Accompanying drawing explanation
Fig. 1 exemplarily shows system configuration schematic diagram of the present utility model;
Fig. 2 exemplarily shows the interface structure schematic diagram that 3G chip of the present utility model connects.
Reference numeral shown in Fig. 1～Fig. 2 is as follows: 1, arm processor, 2, video frequency pick-up head, 3,3G chip, 4, FLASH chip, 5, SDRAM chip, 6, hand-held mobile terminal, 7, PC, 8, power interface, 9, antennal interface, 10, USB interface, 11, SIM card interface, 12, audio interface.
Embodiment
For the technical problem that the utility model solves, the technical scheme providing are provided better, below in conjunction with drawings and Examples, the utility model is further elaborated.Specific embodiment described herein is only in order to explain enforcement of the present utility model, but and is not used in restriction the utility model.
In a preferred embodiment, Fig. 1 exemplarily shows system configuration schematic diagram of the present utility model; Comprise: system front end and video receiver, described system front end is connected by wireless network with video receiver; Described system front end comprises arm processor 1, video frequency pick-up head 2,3G chip 3, FLASH chip 4 and SDRAM chip 5; Described system front end is located in examination hall; Described video frequency pick-up head 2, described FLASH chip 4, described SDRAM chip 5 and described 3G chip 3 are all connected with described arm processor 1; Described video receiver comprises hand-held mobile terminal 6 or PC 7; Described hand-held mobile terminal 6 is connected with described 3G chip 3 with described PC 7.Described hand-held mobile terminal 6 is connected by 3G wireless network with the 3G chip 3 of described system front end by built-in 3G chip 3, and described PC 7 is connected by wireless network with the 3G chip 3 of described system front end by built-in 3G wireless network card.The hand-held mobile terminal of described video receiver and PC 7 are separate.
In embodiment more preferably, described hand-held mobile terminal 6 comprises smart mobile phone or the panel computer of supporting 3G wireless network.
In embodiment more preferably, each examination hall is provided with a set of described system front end.
In embodiment more preferably, described hand-held mobile terminal 6 and described PC 7 with described 3G chip 3 by 3G wireless connections.
In embodiment more preferably, described arm processor 1 adopts the chip of the S3C6410 of Samsung.
In embodiment more preferably, the interface being connected with described arm processor 1 comprises and USB interface, external memory interface and Ethernet interface.
In embodiment more preferably, described FLASH chip 4 is all connected with described arm processor 1 by described external memory interface with described SDRAM chip 5.
In embodiment more preferably, described SDRAM chip 5 quantity are 2.
In embodiment more preferably, described Ethernet interface is expansion interface, and described Ethernet interface is connected by wired and described video receiver.
In embodiment more preferably, described video frequency pick-up head 2 is CMOS camera.
In embodiment more preferably, described 3G chip 3 adopts cores to interrogate the 3G chip 3 that logical model is SIM5320.
In embodiment more preferably, the interface being connected with described 3G chip 3 comprises and power interface, antennal interface, USB interface, SIM card interface and audio interface.
In embodiment more preferably, described video frequency pick-up head 2 is all connected with described arm processor 1 by described USB interface with described 3G chip 3.
In embodiment more preferably, Fig. 2 exemplarily shows the interface structure schematic diagram that 3G chip 3 of the present utility model connects; Interface on hardware has power interface 8, antennal interface 9, usb 10, SIM card interface 11 and audio interface 12, is more applicable for embedded system environment.
I. the usb 10 described in, SIM5320 chip is connected with arm processor 1 (S3C6410) by usb 10.
Ii. the SIM card interface 11 described in, SIM5320 chip is connected with SIM card by SIM interface.
Iii. the audio interface 12 described in, SIM5320 chip is connected with voice communication chip by audio interface 12.
Iv. the power interface 8 described in, SIM5320 chip is connected with lithium battery by power interface 8.
V. the antennal interface 9 described in, SIM5320 chip is connected with 3G antenna with (radio frequency) RF antenna, (Global Communications System) gps antenna by antennal interface 9.
Specific embodiment:
Monitor procedure of the present utility model is: system front end and video receiver communicate by 3G wireless network; The video data that is gathered examination hall by the video frequency pick-up head of system front end, is transferred to ARM flush bonding processor and processes, and after finishing dealing with, by 3G chip, exports to video receiver; The video image that the system front end receiving by wireless network sends, carries out the demonstration of video image by hand-held mobile terminal and PC.Wherein, Ethernet interface is expansion interface, carries out wired debugging while being mainly used in a little less than wireless router and wireless base station signal.When 3G wireless network breaks down, by Ethernet interface connected with network cable, adopt the mode of wire communication and the PC of video receiver to communicate.The utility model also has the function of Realtime Alerts, by the built-in SIM card of 3G chip (connecting by SIM card interface) of system front end, and be contained in advance the number clawback in SIM card, to mobile terminal device transmission note or the callback number of video receiver, report to the police.
More than by preferred and description that specific embodiment is detailed the utility model; but those skilled in the art should be understood that; the utility model is not limited to the above embodiment; all within basic principle of the present utility model; any modification of doing, combine and be equal to replacement etc., within being all included in protection range of the present utility model.
Claims (10)
1. the intelligent examination hall supervisory control system based on 3G, is characterized in that, comprising: system front end and video receiver, and described system front end is connected by wireless network with video receiver;
Described system front end comprises arm processor, video frequency pick-up head, 3G chip, FLASH chip and SDRAM chip; Described system front end is located in examination hall;
Described video frequency pick-up head, described FLASH chip, described SDRAM chip and described 3G chip are all connected with described arm processor;
Described video receiver comprises hand-held mobile terminal or PC; Described hand-held mobile terminal and described PC and described 3G chip are all by 3G wireless connections.
2. the intelligent examination hall supervisory control system based on 3G according to claim 1, is characterized in that, described hand-held mobile terminal comprises smart mobile phone or the panel computer of supporting 3G wireless network.
3. the intelligent examination hall supervisory control system based on 3G according to claim 1, is characterized in that, each examination hall is provided with a set of described system front end.
4. the intelligent examination hall supervisory control system based on 3G according to claim 1, is characterized in that, described arm processor adopts the chip of the S3C6410 of Samsung.
5. the intelligent examination hall supervisory control system based on 3G according to claim 1, is characterized in that, the interface being connected with described arm processor comprises and USB interface, external memory interface and Ethernet interface.
6. the intelligent examination hall supervisory control system based on 3G according to claim 5, is characterized in that, described FLASH chip is all connected with described arm processor by described external memory interface with described SDRAM chip.
7. the intelligent examination hall supervisory control system based on 3G according to claim 5, is characterized in that, described Ethernet interface is for expanding straw sandals interface, and described arm processor is connected with described video receiver is wired by described Ethernet interface.
8. the intelligent examination hall supervisory control system based on 3G according to claim 5, is characterized in that, described video frequency pick-up head is all connected with described arm processor by described USB interface with described 3G chip.
9. the intelligent examination hall supervisory control system based on 3G according to claim 1, is characterized in that, described 3G chip adopts core to interrogate the 3G chip that logical model is SIM5320.
10. the intelligent examination hall supervisory control system based on 3G according to claim 1, is characterized in that, described video frequency pick-up head adopts CMOS camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221368.6U CN203851240U (en) | 2014-04-30 | 2014-04-30 | 3G-based intelligent examination room monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221368.6U CN203851240U (en) | 2014-04-30 | 2014-04-30 | 3G-based intelligent examination room monitoring system |
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| CN203851240U true CN203851240U (en) | 2014-09-24 |
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| CN201420221368.6U Expired - Fee Related CN203851240U (en) | 2014-04-30 | 2014-04-30 | 3G-based intelligent examination room monitoring system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454279A (en) * | 2016-12-03 | 2017-02-22 | 河池学院 | Embedded-type video monitoring system |
| CN106713856A (en) * | 2016-12-15 | 2017-05-24 | 重庆凯泽科技股份有限公司 | Intelligent examination monitoring system and method |
-
2014
- 2014-04-30 CN CN201420221368.6U patent/CN203851240U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454279A (en) * | 2016-12-03 | 2017-02-22 | 河池学院 | Embedded-type video monitoring system |
| CN106713856A (en) * | 2016-12-15 | 2017-05-24 | 重庆凯泽科技股份有限公司 | Intelligent examination monitoring system and method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20170430 |
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| CF01 | Termination of patent right due to non-payment of annual fee |