CN212572750U - Unattended examination device - Google Patents
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- CN212572750U CN212572750U CN202021286298.4U CN202021286298U CN212572750U CN 212572750 U CN212572750 U CN 212572750U CN 202021286298 U CN202021286298 U CN 202021286298U CN 212572750 U CN212572750 U CN 212572750U
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Abstract
The utility model provides an unmanned on duty examination device. The utility model discloses a: the system comprises a sensor holder module, a head-wearing video acquisition module, a processing host, an encryption module, an audio and video synthesis module, a network transmission module, a storage server, a decryption module, a marking distribution module and a marking terminal for examiners. The processing host is respectively connected with the sensor holder module and the head-mounted video acquisition module in sequence; the processing host, the encryption module, the audio and video synthesis module, the network transmission module, the storage server, the decryption module, the examination officer examination paper marking distribution module and the examination officer examination paper marking terminal are sequentially connected in series in a wired mode. The utility model overcomes traditional operation type examination must have examiner in the condition on scene, records the mode that examinee's operation audio frequency and video combines the asynchronous evaluation of examiner through the scene, and the audio frequency and video of omnidirectional collection examiner operation at the site operation to the reduction examination paper of high-fidelity is reviewed and read for examiner.
Description
Technical Field
The utility model belongs to the technical field of the examination system, specifically be an unmanned on duty examination device.
Background
At present, the practical ability of talents is more and more emphasized, and all industries also clearly require to evaluate the practical operation and become an important index for the practical operation. The examination of the operation type at present is generally that examinees operate on-site operation examiner site scores, and the examiners are generally accepted practitioners in the industry, so that the examiners can only take the examination in the rest time. Therefore, the burden of the examiners is greatly increased, the difficulty of organizing the examinations by the examination organization is increased, and the expense and the labor are wasted.
In recent years, the examination process of the examination of the operation type is continuously optimized, and the examination process is developed in the directions of high informatization, security and flattening. However, the examiners are still not liberated, the organization, coordination and arrangement of the examiners are still difficult, and the examiners on various posts are still faced with a lot of practical difficulties when being used for carrying out examinations.
Therefore, how to minimize the occupation of the examiner's time and reasonably optimize the examiner's time is currently the most important issue.
SUMMERY OF THE UTILITY MODEL
For effectively solving above-mentioned examination organization arrangement problem, the utility model discloses the technical scheme who takes is an unmanned on duty examination device, a serial communication port, include: the system comprises a sensor holder module, a head-mounted video acquisition module, a processing host, an encryption module, an audio and video synthesis module, a network transmission module, a storage server, a decryption module, a marking distribution module and a marking terminal of examiners;
the processing host is respectively connected with the sensor holder module and the head-mounted video acquisition module in sequence; the processing host, the encryption module, the audio and video synthesis module, the network transmission module, the storage server, the decryption module, the examination officer examination paper marking distribution module and the examination officer examination paper marking terminal are sequentially connected in series in a wired mode.
The head-mounted video capture module comprises: the device comprises a helmet, a waist pack, a portable camera, a wireless network bridge and a portable UPS (uninterrupted power supply);
the portable camera is fixed on the helmet and is connected with the wireless network bridge in a wired mode; the wireless network bridge is connected with the processing host computer in a wired mode; the portable UPS power supply is connected with the wireless network bridge in a wired mode; the wireless network bridge and the portable UPS are placed in the waist pack;
the sensor pan-tilt module comprises: the system comprises a case, a POE (Power over Ethernet) switch, a support, a video acquisition module, an audio display and a video display;
the bracket is made of aluminum alloy and consists of a wire casing and a hanging slideway, and is hung on a roof;
the case is fixed on the wall surface; the processing host is placed in the case; the POE switch is placed in the case; the support is hung on the roof; the video acquisition module comprises a plurality of paths of video acquisition sensors and is fixed on the bracket; the audio acquisition module comprises a plurality of paths of audio acquisition sensors and is fixed on the bracket; the audio display is connected with the processing host computer in a wired mode; the video display is connected with the processing host computer in a wired mode.
The POE switch is used for configuring the processing host, the video acquisition module and the audio acquisition module in the same network environment through a network;
the head-mounted video acquisition module is used for acquiring close-up video signals of the examinee;
the video acquisition module slides in the wire slot through the mounting slide way to realize position movement so as to adjust and acquire the angle of the video signals operated by multiple examinees, and the video acquisition module is used for acquiring the video signals operated by the multiple examinees;
the audio acquisition module slides in the wire slot through the mounting slide way to realize position movement so as to adjust the quality of audio signals operated by multiple examinees, and the audio acquisition module is used for acquiring the audio signals operated by the multiple examinees;
the processing host is used for caching the video signals operated by multiple examinees, the close-up video signals of the examinees and the audio signals operated by the multiple examinees to ensure that video and audio acquisition is successful, transmitting the audio signals operated by the examinees to the audio display, and transmitting the video signals operated by the examinees and the close-up video signals of the examinees to the video display;
the audio display is used for displaying audio signals acquired by the multi-channel audio acquisition sensor and monitoring whether the audio acquisition module is disconnected or not;
the video display is used for displaying video signals acquired by the multiple paths of video acquisition sensors and close-up video signals of the examinees, judging whether the video acquisition modules are disconnected or not, and enabling the examinees to visually see own operation pictures;
the encryption module is used for encrypting the video signals operated by the multiple examinees to obtain encrypted videos operated by the multiple examinees, encrypting the close-up video signals of the examinees to obtain encrypted close-up video signals of the examinees, encrypting the audio signals operated by the multiple examinees to obtain encrypted voice operated by the multiple examinees, and transmitting the encrypted voice to the audio and video synthesis module;
the audio and video synthesis module is used for synthesizing and outputting encrypted videos operated by multiple paths of encrypted examinees, encrypted close-up video signals of the examinees and encrypted voices operated by the multiple paths of encrypted examinees, and transmitting the videos to the network transmission module;
the network transmission module transmits the encrypted synthesized video to the storage server;
the storage server is used for storing the encrypted synthesized video and transmitting the synthesized video to the decryption module;
the decryption module is used for decrypting the encrypted synthesized video into examinee operation video data, generating a video ID number and transmitting the video ID number to the marking distribution module;
the examination paper marking distribution module associates the video ID number generated by the decryption module with the examinee and sends video data to the examination official examination paper marking terminal corresponding to the examinee;
the examiner examination paper reading terminal is used for providing examinee operation video data for the examiner, the examinee operation video data distributed by the examination paper reading distribution module can be obtained after the examiner logs in, and the examiner conducts remote evaluation on the examinee operation by referring to the video data operated by the examinee.
Compared with the existing examination process, the optimization research has the following advantages and beneficial effects:
wear-type video acquisition module dresses conveniently, takes the helmet is tied waist bag just can, gathers the video according to examinee's operation visual angle completely, and the shooting angle is along with the removal of examinee's operation and then the transform, the meticulous operation of recording examinee's operation that can be clear.
The case is hung on a wall, so that the lower space of a room is saved, electronic equipment placed in the case is prevented from being affected with damp and colliding, and the case is safe and attractive.
The optimization scheme overcomes the defects that the traditional operation type assessment examiner has to score on site, only examinees operate on site, the complete picture of the examinee operation is acquired through the audio and video sensor, and the examiner can assess the operation of the examinee operation remotely only through the examination terminal.
Drawings
FIG. 1: the utility model discloses a system structure block diagram;
FIG. 2: the utility model discloses a schematic diagram of a head-mounted video acquisition module;
FIG. 3: the utility model discloses a sensor cloud platform live-action picture;
Detailed Description
To facilitate understanding and practice of the invention for those skilled in the art, the following detailed description of the invention is provided in connection with the accompanying drawings and the embodiments, it being understood that the embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.
The optimization research will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, is a block diagram of the system structure of the present invention. An unattended examination device, comprising: the system comprises a sensor holder module, a head-mounted video acquisition module, a processing host, an encryption module, an audio and video synthesis module, a network transmission module, a storage server, a decryption module, a marking distribution module and a marking terminal of examiners;
the processing host is respectively connected with the sensor holder module and the head-mounted video acquisition module in sequence; the processing host, the encryption module, the audio and video synthesis module, the network transmission module, the storage server, the decryption module, the examination officer examination paper marking distribution module and the examination officer examination paper marking terminal are sequentially connected in series in a wired mode.
As shown in fig. 2, the head-mounted video capture module includes: the device comprises a helmet, a waist pack, a portable camera, a wireless network bridge and a portable UPS (uninterrupted power supply); the portable camera is fixed on the helmet and is connected with the wireless network bridge in a wired mode; the wireless network bridge is connected with the processing host computer in a wired mode; the portable UPS power supply is connected with the wireless network bridge in a wired mode; the wireless network bridge and the portable UPS are placed in the waist pack;
as shown in fig. 3, the sensor pan-tilt module includes: the system comprises a case, a POE (Power over Ethernet) switch, a support, a video acquisition module, an audio display and a video display; the bracket is made of aluminum alloy and consists of a wire groove, a hanging slideway, a screw and a nut, and is hung on a roof; the case is fixed on the wall surface; the processing host is placed in the case; the POE switch is placed in the case; the support is hung on the roof; the video acquisition module is fixed on the bracket; the audio acquisition module is fixed on the bracket; the audio display is connected with the processing host computer in a wired mode; the video display is connected with the processing host computer in a wired mode.
The type selection of the portable camera is 2CD2325 XDH; the wireless bridge type is DS-3WF 01C-2N; the portable UPS power supply is PONY1033 in type selection; the POE switch is selected to be RG-NBS 1809C-P; the audio display is selected as WS 2812B/2811; the video display is of type 22E 1H; the type of the video acquisition sensor is 2CD2345P 1; the AUDIO acquisition sensor is selected from A11-AUDIO; the processing host is selected to be GNF9HW 04; the encryption module is selected to be ISU-208N/G; the audio and video synthesis module is selected as TMS320DM 642; the network transmission module is selected to be NBS5628 XG; the storage server is selected to be SR 550; the decryption module is selected as STM 32; the marking distribution module is selected from UR20-16 AUX-GND-O; the test paper terminal type is 520C-27 IMB.
The embodiment of the present invention is described with reference to fig. 1 and 3, specifically as follows:
the utility model discloses the first embodiment does:
the POE switch is used for configuring the processing host, the video acquisition module and the audio acquisition module in the same network environment through a network;
the head-mounted video acquisition module is used for acquiring close-up video signals of the examinee;
the video acquisition module slides in the wire slot through the mounting slide way to realize position movement so as to adjust and acquire the angle of the video signals operated by multiple examinees, and the video acquisition module is used for acquiring the video signals operated by the multiple examinees;
the audio acquisition module slides in the wire slot through the mounting slide way to realize position movement so as to adjust the quality of audio signals operated by multiple examinees, and the audio acquisition module is used for acquiring the audio signals operated by the multiple examinees;
the processing host is used for caching the video signals operated by multiple examinees, the close-up video signals of the examinees and the audio signals operated by the multiple examinees to ensure that video and audio acquisition is successful, transmitting the audio signals operated by the examinees to the audio display, and transmitting the video signals operated by the examinees and the close-up video signals of the examinees to the video display;
the audio display is used for displaying audio signals acquired by the multi-channel audio acquisition sensor and monitoring whether the audio acquisition module is disconnected or not;
the video display is used for displaying video signals acquired by the multiple paths of video acquisition sensors and close-up video signals of the examinees, judging whether the video acquisition modules are disconnected or not, and enabling the examinees to visually see own operation pictures;
the encryption module is used for encrypting the video signals operated by the multiple examinees to obtain encrypted videos operated by the multiple examinees, encrypting the close-up video signals of the examinees to obtain encrypted close-up video signals of the examinees, encrypting the audio signals operated by the multiple examinees to obtain encrypted voice operated by the multiple examinees, and transmitting the encrypted voice to the audio and video synthesis module;
the audio and video synthesis module is used for synthesizing and outputting encrypted videos operated by multiple paths of encrypted examinees, encrypted close-up video signals of the examinees and encrypted voices operated by the multiple paths of encrypted examinees, and transmitting the videos to the network transmission module;
the network transmission module transmits the encrypted synthesized video to the storage server;
the storage server is used for storing the encrypted synthesized video and transmitting the synthesized video to the decryption module;
the decryption module is used for decrypting the encrypted synthesized video into examinee operation video data, generating a video ID number and transmitting the video ID number to the marking distribution module;
the examination paper marking distribution module associates the video ID number generated by the decryption module with the examinee and sends video data to the examination official examination paper marking terminal corresponding to the examinee;
the examiner examination paper reading terminal is used for providing examinee operation video data for the examiner, the examinee operation video data distributed by the examination paper reading distribution module can be obtained after the examiner logs in, and the examiner conducts remote evaluation on the examinee operation by referring to the video data operated by the examinee.
The utility model discloses the second embodiment does:
the video acquisition sensor is mainly responsible for acquiring panoramic videos, covers all operation areas and ensures no dead angle, the head-mounted video acquisition sensor is mainly responsible for acquiring close-up videos, acquires the current specific operation direction of the examinee operation, and can ensure that the scene of the examinee operation is completely restored only by acquiring the panoramic videos and the close-up videos; the plurality of audio sensors are respectively used for collecting audio operated by the examinee, a certain number of audio sensors are arranged on the top to collect global audio, and the rest audio sensors are arranged in the examinee operation area to collect audio operated clearly by the examinee; the processing host is used for temporarily storing the collected audio and video, and the storage period is 15 days (according to the size of a hard disk); the encryption module is used for encrypting the video and the audio which are temporarily stored on the processing host to prevent leakage; the audio and video synthesis module is used for synthesizing the collected multi-channel video and multi-channel audio to output a video with sound, and the layout of the multi-channel synthesized video can be customized; the network transmission module transmits the synthesized video to the storage server, so that the network is stable, the transmission efficiency is high, and no packet loss occurs; the storage server is used for permanently storing the synthesized videos, classifying and managing the videos, indexing information of examinee operation and corresponding videos, facilitating query and search and supporting storage space expansion. The decryption module is used for decrypting the encrypted video into a common format, so that the examiner can conveniently browse the video; the examination paper reading distribution module is used for distributing the collected examinee operation video data to examinees for evaluation, supports various distribution modes such as average distribution, intelligent distribution and the like, is simple to operate, can switch the distribution modes by monitoring the examination paper reading efficiency of the examinees in real time, and effectively improves the examination paper reading efficiency of the examinees; the examiner scoring terminal is an examiner video scoring terminal, the examiner scores points while watching videos, and supports shortcut key operations such as pause, fast forward, fast backward, full screen and the like, so that the operation is convenient, the operation is easy, the examiner can score remotely without going to the site.
The third embodiment of the utility model is:
when the audio and video is recorded, the system can automatically record only the picture operated by the examinee on site, and the picture without the examinee operation can automatically suspend recording; when the sensor holder detects that personnel move and sound fluctuation exist in the shooting area, the recording is automatically started and the recorded audio and video are transmitted to the processing host, and when no personnel move and sound fluctuation exist in the shooting area, the recording is suspended, so that the storage space of the processing host is effectively saved. The utility model can save much time compared with the field scoring when the examiner reviews the test data at the later stage;
the fourth embodiment of the utility model is:
when the examiner computer end carries out remote audio and video evaluation, the examinee operation can be observed by the images of the multiple cameras, and the images can be seen back and amplified in a specific area; the examiner examination paper reading terminal module acquires a plurality of paths of video images of the examinee through the ID number of the examinee, the image presented to the examinee is an image synthesized by the plurality of paths of videos, the image can be switched to a single path of video image by clicking a mouse, fast forward and review of the video watching progress can be supported, and the function of amplifying a specific area of the video selected by a mouse frame is supported. The utility model improves the scoring accuracy by observing more complete angle precision, and can further save the scoring time by fast forwarding through audio and video;
the fifth embodiment of the utility model is:
the processing host is used for caching video signals operated by multiple examinees, close-up video signals of the examinees and audio signals operated by the multiple examinees to ensure that video and audio are successfully acquired; the encryption module is used for encrypting the video signals operated by the multiple examinees to obtain encrypted videos operated by the multiple examinees, encrypting the close-up video signals of the examinees to obtain encrypted close-up video signals of the examinees, encrypting the audio signals operated by the multiple examinees to obtain encrypted voice operated by the multiple examinees, and transmitting the encrypted voice to the audio and video synthesis module; the audio and video synthesis module is used for synthesizing and outputting encrypted videos operated by multiple paths of encrypted examinees, encrypted close-up video signals of the examinees and encrypted voices operated by the multiple paths of encrypted examinees, and transmitting the videos to the network transmission module; the network transmission module transmits the encrypted synthesized video to the storage server; and the storage server is used for storing the encrypted synthesized video.
The utility model provides legal guarantee for further ensuring the fairness, justice and the like of the examination, for the future review and deduction check/tracing in the examination process;
although the present specification uses terms such as a sensor holder module, a head-mounted video capture module, a processing host, an encryption module, an audio/video synthesis module, a network transmission module, a storage server, a decryption module, an examination paper distribution module, and an examination officer examination paper reading terminal, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe the nature of the invention and should not be construed as imposing any additional limitations thereon which would depart from the spirit of the invention.
It should be understood that parts of the specification not set forth in detail are well within the prior art.
It should be understood that the above description of the preferred embodiments is given in some detail, and not as a limitation to the scope of the invention, and that various alternatives and modifications can be devised by those skilled in the art without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. An unattended examination device, comprising:
the system comprises a sensor holder module, a head-mounted video acquisition module, a processing host, an encryption module, an audio and video synthesis module, a network transmission module, a storage server, a decryption module, a marking distribution module and a marking terminal of examiners;
the processing host is respectively connected with the sensor holder module and the head-mounted video acquisition module in sequence; the processing host, the encryption module, the audio and video synthesis module, the network transmission module, the storage server, the decryption module, the examination officer examination paper marking distribution module and the examination officer examination paper marking terminal are sequentially connected in series in a wired mode;
the head-mounted video capture module comprises: the device comprises a helmet, a waist pack, a portable camera, a wireless network bridge and a portable UPS (uninterrupted power supply);
the portable camera is fixed on the helmet and is connected with the wireless network bridge in a wired mode; the wireless network bridge is connected with the processing host computer in a wired mode; the portable UPS power supply is connected with the wireless network bridge in a wired mode; the wireless network bridge and the portable UPS are placed in the waist pack;
the sensor pan-tilt module comprises: the system comprises a case, a POE (Power over Ethernet) switch, a support, a video acquisition module, an audio display and a video display;
the bracket is made of aluminum alloy and consists of a wire casing and a hanging slideway, and is hung on a roof;
the case is fixed on the wall surface; the processing host is placed in the case; the POE switch is placed in the case; the support is hung on the roof; the video acquisition module comprises a plurality of paths of video acquisition sensors and is fixed on the bracket; the audio acquisition module comprises a plurality of paths of audio acquisition sensors and is fixed on the bracket; the audio display is connected with the processing host computer in a wired mode; the video display is connected with the processing host computer in a wired mode.
2. The unattended examination device according to claim 1, wherein:
the POE switch is used for configuring the processing host, the video acquisition module and the audio acquisition module in the same network environment through a network;
the head-mounted video acquisition module is used for acquiring close-up video signals of the examinee;
the video acquisition module slides in the wire slot through the mounting slide way to realize position movement so as to adjust and acquire the angle of the video signals operated by multiple examinees, and the video acquisition module is used for acquiring the video signals operated by the multiple examinees;
the audio acquisition module passes through the mount slide is in the wire casing slides, realizes that the position removes in order to adjust the quality of the audio signal of multichannel examinee's operation, the audio acquisition module is used for gathering the audio signal of multichannel examinee's operation.
3. The unattended examination device according to claim 1, wherein:
the processing host is used for caching the video signals operated by multiple examinees, the close-up video signals of the examinees and the audio signals operated by the multiple examinees to ensure that video and audio acquisition is successful, transmitting the audio signals operated by the examinees to the audio display, and transmitting the video signals operated by the examinees and the close-up video signals of the examinees to the video display.
4. The unattended examination device according to claim 1, wherein:
the audio display is used for displaying audio signals acquired by the multi-channel audio acquisition sensor and monitoring whether the audio acquisition module is disconnected or not;
the video display is used for displaying video signals acquired by the multiple paths of video acquisition sensors and close-up video signals of the examinees, judging whether the video acquisition modules are disconnected or not, and enabling the examinees to visually see own operation pictures.
5. The unattended examination device according to claim 1, wherein:
the encryption module is used for encrypting the video signals operated by the multiple examinees to obtain the videos operated by the multiple examinees after encryption, encrypting the close-up video signals of the examinees to obtain the close-up video signals of the examinees after encryption, encrypting the audio signals operated by the multiple examinees to obtain the voices operated by the multiple examinees after encryption, and transmitting the voices to the audio and video synthesis module.
6. The unattended examination device according to claim 1, wherein:
the audio and video synthesis module is used for synthesizing and outputting encrypted videos operated by multiple paths of encrypted examinees, encrypted close-up video signals of the examinees and encrypted voices operated by the multiple paths of encrypted examinees, and transmitting the videos to the network transmission module;
the network transmission module transmits the encrypted synthesized video to the storage server;
the storage server is used for storing the encrypted synthesized video and transmitting the synthesized video to the decryption module.
7. The unattended examination device according to claim 1, wherein:
the decryption module is used for decrypting the encrypted synthesized video into examinee operation video data, generating a video ID number and transmitting the video ID number to the marking distribution module;
the examination paper marking distribution module associates the video ID number generated by the decryption module with the examinee and sends video data to the examination official examination paper marking terminal corresponding to the examinee;
the examiner examination paper reading terminal is used for providing examinee operation video data for the examiner, the examinee operation video data distributed by the examination paper reading distribution module can be obtained after the examiner logs in, and the examiner conducts remote evaluation on the examinee operation by referring to the video data operated by the examinee.
8. The unattended examination device according to claim 1, wherein: the processing host is used for caching video signals operated by multiple examinees, close-up video signals of the examinees and audio signals operated by the multiple examinees to ensure that video and audio are successfully acquired; the encryption module is used for encrypting the video signals operated by the multiple examinees to obtain encrypted videos operated by the multiple examinees, encrypting the close-up video signals of the examinees to obtain encrypted close-up video signals of the examinees, encrypting the audio signals operated by the multiple examinees to obtain encrypted voice operated by the multiple examinees, and transmitting the encrypted voice to the audio and video synthesis module; the audio and video synthesis module is used for synthesizing and outputting encrypted videos operated by multiple paths of encrypted examinees, encrypted close-up video signals of the examinees and encrypted voices operated by the multiple paths of encrypted examinees, and transmitting the videos to the network transmission module; the network transmission module transmits the encrypted synthesized video to the storage server; and the storage server is used for storing the encrypted synthesized video.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113965709A (en) * | 2021-11-24 | 2022-01-21 | 广州威惠教学设备有限公司 | Experiment examination video recording equipment with double image acquisition and rapid storage functions |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113965709A (en) * | 2021-11-24 | 2022-01-21 | 广州威惠教学设备有限公司 | Experiment examination video recording equipment with double image acquisition and rapid storage functions |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An unattended assessment device Effective date of registration: 20210927 Granted publication date: 20210219 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN TALENT INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2021420000104 |
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Date of cancellation: 20221017 Granted publication date: 20210219 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN TALENT INFORMATION TECHNOLOGY CO.,LTD. Registration number: Y2021420000104 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An Unattended Assessment Device Effective date of registration: 20221018 Granted publication date: 20210219 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN TALENT INFORMATION TECHNOLOGY CO.,LTD. Registration number: Y2022420000351 |
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