CN108322701A - Examination hall video monitoring and mobile phone signal shielding system - Google Patents
Examination hall video monitoring and mobile phone signal shielding system Download PDFInfo
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- CN108322701A CN108322701A CN201810073475.1A CN201810073475A CN108322701A CN 108322701 A CN108322701 A CN 108322701A CN 201810073475 A CN201810073475 A CN 201810073475A CN 108322701 A CN108322701 A CN 108322701A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/71—Indexing; Data structures therefor; Storage structures
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/40—Scenes; Scene-specific elements in video content
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K3/00—Jamming of communication; Counter-measures
- H04K3/60—Jamming involving special techniques
- H04K3/68—Jamming involving special techniques using passive jamming, e.g. by shielding or reflection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
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- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
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- Software Systems (AREA)
- Health & Medical Sciences (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Health & Medical Sciences (AREA)
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- Social Psychology (AREA)
- Human Computer Interaction (AREA)
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Abstract
The invention discloses a kind of examination hall video monitoring and mobile phone signal shielding systems, the video monitoring module of this system includes the video sensor and central server for obtaining target location area video stream, video flows through network transmission to central server, central server arranges identification examinee's identity according to examination hall seat and stores video flowing to cloud server that the identification of central server run action captures the motion capture that program carries out examinee in examination hall；Cloud server is equipped with video access interface and obtains video flowing for third method, subscriber terminal；It includes scan round formula full frequency band mobile phone signal interference circuit and interference signal transmitting antenna that module, which occurs, for interference signal, and interference signal transmitting antenna is set to the signal transmitting terminal of interference circuit, and central server controls the interference operational mode that module occurs for interference signal.This system can accurate and effective monitor examination hall target, the features such as while full frequency band effectively shields mobile phone signal, has video clear, and mobile phone signal shielding effect is strong.
Description
Technical field
The present invention relates to a kind of examination hall video monitoring and mobile phone signal shielding systems.
Background technology
It is increased substantially as national education is horizontal, more and more people need to participate in learning process various forms of
Examination, along with examination diversification, the increase of examinee's quantity, the supervision in examination hall is obviously inadequate, leads to examination hall cheating
It remains existing despite repeated prohibition.Therefore, it is had a very important significance for single table, the video monitoring in single examination hall and mobile phone signal shielding.
The monitoring camera that existing examination hall uses mainly is arranged in corner in front of examination hall, farther out apart from examinee's desktop, and
Angle is fixed, and imaging effect is poor, cannot clearly reflect the action of each examinee.While the existing mobile phone signal shielding instrument in examination hall
Effective shield ranges are about 20 meters, at shield ranges edge, such as close to examination hall window position, the screen of conventional mobile phone signal shielding instrument
It is poor to cover effect, outer signals can be received by still having part mobile phone.
Invention content
Technical problem to be solved by the invention is to provide a kind of examination hall video monitoring and mobile phone signal shielding systems, this is
System overcomes the defect of traditional examination hall monitoring, can accurate and effective monitor examination hall target, while full frequency band effectively shields mobile phone signal, tool
There is the features such as video is clear, and mobile phone signal shielding effect is strong.
In order to solve the above technical problems, examination hall video monitoring of the present invention and mobile phone signal shielding system include video monitoring mould
Module occurs for block, cloud server and interference signal；
The video monitoring module includes the video sensor and central server for obtaining target location area video stream, institute
It states video flowing and is transmitted through the network to the central server, central server arranges identification examinee identity simultaneously according to examination hall seat
The video flowing is stored to the cloud server, the identification of central server run action captures program and carries out examinee in examination hall
Motion capture；
The cloud server is equipped with WAN equipment video access interface, and third method, subscriber terminal is obtained by the access interface
The video flowing for taking cloud server to store；
It includes scan round formula full frequency band mobile phone signal interference circuit and interference signal transmitting day that module, which occurs, for the interference signal
Line, the interference signal transmitting antenna are set to the signal transmitting terminal of the interference circuit, and the central server control is described dry
Disturb the interference operational mode of signal generating module.
Further, the target location region is the single region of single table in examination hall.
Further, the video sensor is Miniature high-definition camera.
Further, the uplink signal that module receives mobile phone nearby occurs for the interference signal, after central server judges
It controls the interference signal and the interference signal that module sends out the mobile phone standard occurs.
Further, it includes interference signal generator, scan signal drive circuit, radio frequency letter that module, which occurs, for the interference signal
Number amplifier, saw-toothed oscillator and mobile phone signal detection circuit, the interference signal generator output end connect the scanning
Signal drive circuit input terminal, the scan signal drive circuit output end connect the radio frequency signal amplifiers input terminal, institute
It states radio frequency signal amplifiers output end and connects the interference signal transmitting antenna, described in the saw-toothed oscillator output end connection
The signal modulation end of interference signal generator, the mobile phone signal detection circuit output end connect the interference signal generator
Signal control terminal.
Further, the radiofrequency signal that speed was 100~900 nanoseconds is opened in the radio frequency signal amplifiers output.
Further, interference signal generator output frequency scan round from 800MHz to 2700MHz.
Since examination hall video monitoring of the present invention and mobile phone signal shielding system use above-mentioned technical proposal, the i.e. video of this system
Monitoring module includes the video sensor and central server for obtaining target location area video stream, and video flows through network biography
Central server is transported to, central server arranges identification examinee's identity according to examination hall seat and stores video flowing to cloud service
Device, the identification of central server run action capture the motion capture that program carries out examinee in examination hall；Cloud server is equipped with video
Access interface obtains video flowing for third method, subscriber terminal；It includes scan round formula full frequency band mobile phone letter that module, which occurs, for interference signal
Number interference circuit and interference signal transmitting antenna, interference signal transmitting antenna are set to the signal transmitting terminal of interference circuit, center clothes
The interference operational mode of module occurs for device control interference signal of being engaged in.This system overcomes the defect of traditional examination hall monitoring, can accurately have
Effect monitoring examination hall target, while full frequency band effectively shields mobile phone signal, has video clear, mobile phone signal shielding effect waits by force spies
Point.
Description of the drawings
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings：
Fig. 1 is the functional block diagram of examination hall video monitoring and mobile phone signal shielding system of the present invention；
Fig. 2 is the functional block diagram that module occurs for interference signal in this system.
Specific implementation mode
Embodiment is as shown in Figure 1, examination hall video monitoring of the present invention and mobile phone signal shielding system include video monitoring module
1, module 3 occurs for cloud server 2 and interference signal；
The video monitoring module 1 includes the video sensor 11 and central server for obtaining target location area video stream
12, the video flowing is transmitted through the network to the central server 12, and central server is examined according to the arrangement identification of examination hall seat
Raw identity simultaneously stores the video flowing to the cloud server 2, the identification of 12 run action of central server capture program into
The motion capture of examinee in row examination hall；
The cloud server 2 is equipped with WAN equipment video access interface, and third method, subscriber terminal 4 passes through the access interface
Obtain the video flowing that cloud server 2 stores；
It includes that scan round formula full frequency band mobile phone signal interference circuit and interference signal emit day that module 3, which occurs, for the interference signal
Line, the interference signal transmitting antenna are set to the signal transmitting terminal of the interference circuit, and the central server 12 controls described
The interference operational mode of module 3 occurs for interference signal.
Preferably, the target location region is the single region of single table in examination hall.
Preferably, the video sensor 11 is Miniature high-definition camera.
Preferably, the uplink signal that module 3 receives neighbouring mobile phone occurs for the interference signal, judges through central server 12
The interference signal is controlled afterwards, the interference signal that module 3 sends out the mobile phone standard occurs, with the interference effect being optimal.
Preferably, as shown in Fig. 2, it includes interference signal generator 31, scanning signal drive that module, which occurs, for the interference signal
Dynamic circuit 32, radio frequency signal amplifiers 33, saw-toothed oscillator 34 and mobile phone signal detection circuit 35, the interference signal occur
31 output end of device connects 32 input terminal of scan signal drive circuit, and 32 output end of the scan signal drive circuit connects institute
33 input terminal of radio frequency signal amplifiers is stated, 33 output end of the radio frequency signal amplifiers connects the interference signal transmitting antenna
36,34 output end of the saw-toothed oscillator connects the signal modulation end of the interference signal generator 31, the mobile phone signal
35 output end of detection circuit connects the signal control terminal of the interference signal generator 31.
Preferably, the radio frequency signal amplifiers 33 export the radiofrequency signal for opening that speed was 100~900 nanoseconds.
Preferably, 31 output frequency of interference signal generator scan round from 800MHz to 2700MHz.
In this system with image collecting function video sensor can with human action in real-time capture to visual range,
Being carried out data transmission by wireless network and central server, central server can show real time video data, by staff on duty,
It notes abnormalities, examination hall supervisor can be reminded in first time.It is stored in combination with high in the clouds, video can be provided to mandate third party
Coffret utilizes video transmission interface transmission examination hall dynamic；By collected video information transmission to cloud server end, if
There is examinee to have objection examination process and result etc., video data can be used as scene evidence, advantageously account for entangling
Confusingly.
The identification of central server run action captures program can capture the action of the examinee in video in setting time, examine
The answer action outside the stipulated time is tried, can recognize that as infringement, with specification examination hall discipline.
Interference signal occurs module and interferes circuit using scan round formula full frequency band mobile phone signal, can be in unlike signal wave band
The interference signal of the interior different frequency for generating cycle, more traditional single-frequency interference, may be implemented multiband interference signal cycle
Occur, realizes and shield for different systems mobile phone.
The movable fixture that video monitoring and signal shielding are become one, minimized by this system, can be positioned over needs
The desktop to be monitored has many advantages, such as that video is clear, and mobile phone signal shielding effect is strong.
Claims (7)
1. a kind of examination hall video monitoring and mobile phone signal shielding system, it is characterised in that：This system includes video monitoring module, cloud
Hold server and interference signal that module occurs；
The video monitoring module includes the video sensor and central server for obtaining target location area video stream, institute
It states video flowing and is transmitted through the network to the central server, central server arranges identification examinee identity simultaneously according to examination hall seat
The video flowing is stored to the cloud server, the identification of central server run action captures program and carries out examinee in examination hall
Motion capture；
The cloud server is equipped with WAN equipment video access interface, and third method, subscriber terminal is obtained by the access interface
The video flowing for taking cloud server to store；
It includes scan round formula full frequency band mobile phone signal interference circuit and interference signal transmitting day that module, which occurs, for the interference signal
Line, the interference signal transmitting antenna are set to the signal transmitting terminal of the interference circuit, and the central server control is described dry
Disturb the interference operational mode of signal generating module.
2. examination hall video monitoring according to claim 1 and mobile phone signal shielding system, it is characterised in that：The target position
It is the single region of single table in examination hall to set region.
3. examination hall video monitoring according to claim 1 and mobile phone signal shielding system, it is characterised in that：The video passes
Sensor is Miniature high-definition camera.
4. examination hall video monitoring according to claim 1 and mobile phone signal shielding system, it is characterised in that：The interference letter
Number the uplink signal that module receives mobile phone nearby occurs, the interference signal is controlled after central server judges, module hair occurs
Go out the interference signal of the mobile phone standard.
5. examination hall video monitoring according to claim 1 and mobile phone signal shielding system, it is characterised in that：The interference letter
Number occur module include interference signal generator, scan signal drive circuit, radio frequency signal amplifiers, saw-toothed oscillator and hand
Machine signal deteching circuit, the interference signal generator output end connects the scan signal drive circuit input terminal, described to sweep
It retouches signal drive circuit output end and connects the radio frequency signal amplifiers input terminal, the radio frequency signal amplifiers output end connection
The interference signal transmitting antenna, the saw-toothed oscillator output end connect the signal modulation of the interference signal generator
End, the mobile phone signal detection circuit output end connect the signal control terminal of the interference signal generator.
6. examination hall video monitoring according to claim 5 and mobile phone signal shielding system, it is characterised in that：The radio frequency letter
The radiofrequency signal that speed was 100~900 nanoseconds is opened in the output of number amplifier.
7. examination hall video monitoring according to claim 5 and mobile phone signal shielding system, it is characterised in that：The interference letter
Number generator output frequency scan round from 800MHz to 2700MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073475.1A CN108322701A (en) | 2018-01-25 | 2018-01-25 | Examination hall video monitoring and mobile phone signal shielding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073475.1A CN108322701A (en) | 2018-01-25 | 2018-01-25 | Examination hall video monitoring and mobile phone signal shielding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108322701A true CN108322701A (en) | 2018-07-24 |
Family
ID=62887194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810073475.1A Pending CN108322701A (en) | 2018-01-25 | 2018-01-25 | Examination hall video monitoring and mobile phone signal shielding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108322701A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109861786A (en) * | 2019-02-27 | 2019-06-07 | 珠海格力电器股份有限公司 | The screen method and device, storage medium and processor of a kind of pair of data interaction |
| CN110084206A (en) * | 2019-04-30 | 2019-08-02 | 杭州全奥教育科技有限公司 | A kind of wisdom examination hall monitoring system and its method |
| CN110139070A (en) * | 2019-04-11 | 2019-08-16 | 泉州信息工程学院 | A kind of intelligent environment monitoring method and system and equipment based on deep learning |
| CN110572235A (en) * | 2019-09-16 | 2019-12-13 | 浙江三维通信科技有限公司 | Signal shielding device and method |
| CN112910599A (en) * | 2021-02-02 | 2021-06-04 | 安徽中屏科技有限公司 | Cheating interference feedback system based on multi-dimensional analysis |
| CN112994834A (en) * | 2021-02-05 | 2021-06-18 | 陕西天基通信科技有限责任公司 | Method for shielding mobile signal, 5G repeater, server and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109861786A (en) * | 2019-02-27 | 2019-06-07 | 珠海格力电器股份有限公司 | The screen method and device, storage medium and processor of a kind of pair of data interaction |
| CN110139070A (en) * | 2019-04-11 | 2019-08-16 | 泉州信息工程学院 | A kind of intelligent environment monitoring method and system and equipment based on deep learning |
| CN110139070B (en) * | 2019-04-11 | 2021-08-17 | 泉州信息工程学院 | Intelligent environment monitoring method, system and equipment based on deep learning |
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| CN112910599A (en) * | 2021-02-02 | 2021-06-04 | 安徽中屏科技有限公司 | Cheating interference feedback system based on multi-dimensional analysis |
| CN112910599B (en) * | 2021-02-02 | 2022-10-28 | 安徽中屏科技有限公司 | Cheating interference feedback system based on multi-dimensional analysis |
| CN112994834A (en) * | 2021-02-05 | 2021-06-18 | 陕西天基通信科技有限责任公司 | Method for shielding mobile signal, 5G repeater, server and storage medium |
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Application publication date: 20180724 |
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