CN111563239B - Using method of examination terminal management device - Google Patents
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- CN111563239B CN111563239B CN202010330668.8A CN202010330668A CN111563239B CN 111563239 B CN111563239 B CN 111563239B CN 202010330668 A CN202010330668 A CN 202010330668A CN 111563239 B CN111563239 B CN 111563239B
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Abstract
The invention provides a use method of an examination terminal management device, which comprises a device body, wherein an adapter plate with a singlechip is arranged in the device body; the adapter plate is provided with a plurality of USB hubs for performing machine position management on each examination terminal, and each USB hub is used for positioning the plugging state of the examination terminal in the corresponding physical position; the device body is internally provided with a central control system which is connected with a plurality of USB hubs through singlechip signals and forms bidirectional data exchange with each examination terminal through the USB hubs; the application method of the examination terminal management device comprises the steps of data importing, security checking, batch starting, batch issuing, data recycling and closing examination programs. Due to the device and the method, an independent and closed application environment is formed, the risk that a local area network communication mode monitoring machine and a testing machine are easy to infect viruses and Trojan in the prior art is avoided, and the safety and reliability of test data are improved.
Description
Technical Field
The invention relates to the technical field of examination equipment, in particular to a use method of a management device of an examination terminal.
Background
With the innovation of education informatization, the hearing spoken language examination is gradually adopting an machine examination mode, and all examination related information and data are electronically dataized, so that the technical problems of examination data, electronic examination paper issuing, student answer sheet recovery and the like are involved.
The existing spoken language machine test mainly adopts a computer room as an examination room, and utilizes a local area network in the computer room as a communication channel of test data (including test service data, examination paper data, answer sheet data and the like).
Fig. 1 is a network topology diagram of an existing spoken language machine test system, which uses a computer as a monitor to send and recover test data. The prisoner operates the monitoring machine, guides the examination data and examination paper data into the monitoring machine, and issues the examination data to a plurality of student examination machines through a local area network in a computer room. After the students answer questions, the answering paper data are returned to the monitoring machine from the respective examination machines through the local area network.
The existing spoken language examination system and method have the following defects:
1. the computer room is a relatively open network environment, is easy to be illegally invaded by others, and is placed after being invaded to steal data.
2. In the local area network environment, the monitoring machine and the examination machine are easy to infect viruses and Trojan horses, and threat the security of examination data.
3. The local area network is used for data transmission, the network maintenance cost is high, network faults are extremely easy to occur, examination interruption, examination data transmission failure, examination data loss and the like are caused.
The oral examination, especially the oral examination of the college entrance examination, has extremely high requirements on the safety of data, and once a data safety event occurs, social public opinion problems can be caused, so that the social stability is affected.
The use method of the examination terminal management device with high safety and good stability is provided by the technical staff in the field.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a method for using an examination terminal management device with high security and good stability.
In order to achieve the technical aim, the invention provides a use method of an examination terminal management device, which comprises a device body, wherein an adapter plate with a singlechip is arranged in the device body; the adapter plate is provided with a plurality of USB hubs for performing machine position management on each examination terminal, and each USB hub is used for positioning the plugging state of the examination terminal under the corresponding physical position; a central control system is further arranged in the device body, and is connected with a plurality of USB hubs through the single chip microcomputer signals, and forms bidirectional data exchange with each examination terminal through the USB hubs;
the using method comprises the following steps:
step one, importing external examination data into the central control system of the management device, wherein each examination terminal is placed in a containing space of the management device and a USB data transmission channel is established through the corresponding USB hub;
step two, the management device carries out security check on each examination terminal through the central control system, wherein the security check comprises checking whether the electricity and the storage capacity are sufficient, and/or checking whether components of the examination terminal work normally, and/or checking whether the examination terminal is infected with a virus Trojan, and/or checking whether an illegal program is installed in the examination terminal; when the safety inspection detects unsafe factors, carrying out safety maintenance on the examination terminal until the safety inspection passes; the examination terminal passing the security check is in a standby state;
step three, the central control system starts the examination programs preset in each examination terminal in batches, so that each examination terminal enters an examination mode, and the screen-extinguishing function and the exit function of each examination terminal are limited; maintaining each examination terminal in an examination state;
step four, the management device issues examination data to each examination terminal in batches, and examination is conducted by an examinee through each examination terminal; after the test is completed by the examinee, the test terminals are put back into the USB hubs of the management device, and the test terminals keep a safe data channel between the USB hubs and the management device;
step five, after each examination terminal is inserted into the USB hub on the management device, the management device detects whether each examination terminal has answer sheet data to be recovered and whether the answer sheet data are complete and legal; when the detection is passed, each examination terminal returns the answer sheet data to the management device through the USB hub;
step six, after all answer sheet data are recovered, the central control system of the management device controls all the examination terminals to exit an examination mode, and the examination program is closed; and releasing the examination control in the third step; and the retrieved answer sheet data is exported from the management device.
Further, in the third step, a central control system in the management device sends a control instruction, and the control instruction is used for adjusting the recording and playing volume of the test terminal, starting the test program, clearing non-test related data, disabling the functions of exiting, screen-extinguishing, wifi, communication and shutdown of the test program in the test terminal in the running process, and keeping the test terminal in the test state; the control instruction also controls closing of the examination program and release of the permission control.
In the fourth step, the management device firstly sends a data issuing instruction, the corresponding test terminal is found through addressing of the singlechip, and after receiving the data issuing instruction, the corresponding test terminal starts a test program, and the test program and the central control program establish a data communication channel from the management device to the test terminal; the management device transmits the data stream to the examination program, and the examination program receives the data stream and stores the data stream in the examination terminal.
Further, in the fifth step, after the test terminal is inserted into the USB hub of the management device, the management device automatically senses and sends a data recovery check instruction to the test terminal, so as to check whether the test terminal has data to be recovered; if the checking result is "yes", the management device sends a data recovery request instruction to the examination terminal, and a data communication channel from the examination terminal to the management device is established between the examination terminal and the management device; the examination terminal sends the data stream to the management device, and the management device receives and stores the data stream.
Further, the central control system of the management device is communicated with each examination terminal by adopting a USB private encryption protocol.
Further, a breakpoint continuous transmission technology is adopted in the transmission process of the transmission data stream; when the transmission is abnormally interrupted, the data channel resumes transmission from the interrupt position after the handshake connection is restored.
Further, the central control system is an industrial tablet computer.
Further, the examination terminal is a tablet computer or a mobile phone and comprises an android (android) or windows pc series or windows Moblie series or apples (ios) series or apple pc series or linux series operating system.
The invention has the beneficial effects that:
according to the examination terminal management device, the plurality of examination terminals in one examination room are managed through the USB hub, and the examination terminals are subjected to issuing of examination paper data and recovery of answer paper data in a USB data communication mode, so that an independent and closed application environment is formed. The risk that the local area network communication mode monitoring machine and the examination machine are easy to infect viruses and Trojan horses in the prior art is avoided, and the safety and reliability of examination data are improved.
The examination terminal management device provided by the invention simultaneously charges each examination terminal and maintains the equipment software through the USB hub, thereby simplifying the management of an examination system.
The USB data communication in the invention adopts the private encryption protocol, the physical layer adopts the USB Bulk transmission, the data link layer and the application layer adopt the private encryption algorithm to encrypt the transmission data, the encryption key is replaceable (different keys can be replaced in each examination), the large file transmission can be carried out, the possibility of illegal stealing of the examination data is greatly reduced, and the invention has the advantages of high efficiency, stability and high safety of the data communication.
The examination terminal management device controls the examination terminal in a USB hub mode, controls the starting operation and closing withdrawal of the examination program on the examination terminal, controls the examination program on the examination terminal to be unable to withdraw and unable to stop the screen in the middle of examination, disables functions of wifi, communication, shutdown and the like on the examination terminal, eliminates the possibility that an examinee or an operator controls the examination program in an illegal mode (such as in-out) and ensures the integrity and controllability of the examination process and the examination can be fairly, fairly and completely carried out.
Drawings
FIG. 1 is a schematic diagram of the prior art;
fig. 2 is a schematic system configuration diagram of the examination terminal management device of the present invention;
fig. 3 is a schematic diagram of endpoint connection of a method for using the examination terminal management device of the present invention;
FIG. 4 is a schematic diagram of a USB private encryption protocol in the present invention;
fig. 5 is a flow chart of a method for using the examination terminal management device of the present invention;
FIG. 6 is a schematic information flow diagram of a control step of the central control system in the using method of the present invention;
FIG. 7 is a schematic information flow diagram of a data issuing step in the method of use of the present invention;
fig. 8 is a schematic information flow diagram of a data recovery step in the method of use of the present invention.
Detailed Description
The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.
As shown in fig. 2 to 4, the present invention provides a method for using an examination terminal management device, where the management device includes a device body (for example, a cabinet, etc.), and an adapter board with a single-chip microcomputer is disposed in the device body; the adapter plate is provided with a plurality of USB hubs for performing machine position management on each examination terminal, and each USB hub is used for positioning the plugging state of the examination terminal in the corresponding physical position; the device body is internally provided with a central control system which is connected with a plurality of USB hubs through singlechip signals and forms bidirectional data exchange with each examination terminal through the USB hubs.
Further, the central control system is an industrial tablet computer. Further, the examination terminal is a tablet computer or a mobile phone and comprises an android (android) series or a windows pc series or a windows Moblie series or an apple (ios) series or an apple pc series or a linux series operating system.
The management device and the examination terminals adopt USB private encryption protocols. Of course, existing mtp protocols, or other existing adb tools, may also be employed for communication.
As shown in fig. 5 to 8, the present invention further provides a method for using the examination terminal management device, including the following steps:
step one, importing external examination data (such as but not limited to examinee information and examination papers) into a central control system of a management device, putting each examination terminal into a containing space of the management device, and establishing a USB data transmission channel through a corresponding USB hub;
the management device carries out security check on each examination terminal through the central control system, wherein the security check comprises checking whether the electric quantity and the storage capacity are sufficient, and/or checking whether components of the examination terminal work normally, and/or checking whether the examination terminal is infected with virus Trojan horse, and/or checking whether an illegal program is installed on the examination terminal; when the safety check detects unsafe factors, safety maintenance is carried out on the examination terminal until the safety check passes; the examination terminal passing the security check is in a standby state;
step three, the central control system starts the preset examination programs in each examination terminal in batches, so that each examination terminal enters an examination mode, and the screen-extinguishing function and the exit function of each examination terminal are limited; maintaining each examination terminal in an examination state; further, in the third step, a central control system in the management device sends out a control instruction, and the control instruction is used for adjusting the recording and playing volume of the test terminal, starting the test program, clearing non-test related data, disabling the functions of exiting, screen-extinguishing, wifi, communication and shutdown of the test program in the test terminal in the running process, and keeping the test terminal in a test state; the control command also controls closing the examination program and releasing the authority control.
Step four, the management device issues the test data to each test terminal in batches, and the test is conducted by the test taker through each test terminal; after the test is completed by the examinee, the test terminals are put back into the USB hubs of the management device, and the test terminals keep a safe data channel between the USB hubs and the management device; in the fourth step, the management device firstly sends a data issuing instruction, a corresponding examination terminal is found through addressing of the singlechip, after the corresponding examination terminal receives the data issuing instruction, an examination program is started, and a data communication channel from the management device to the examination terminal is established by the examination program and the central control program; the management device transmits the data stream to the test program, and the test program receives the data stream and stores the data stream in the test terminal.
Step five, after each examination terminal is inserted into a USB hub on the management device, the management device detects whether each examination terminal has answer sheet data to be recovered and whether the answer sheet data are complete and legal; after the detection is passed, each examination terminal recovers the answer sheet data to the management device through the USB hub; further, in the fifth step, after the test terminal is inserted into the USB hub of the management device, the management device automatically senses and sends a data recovery check instruction to the test terminal to check whether the test terminal has data to be recovered; if the checking result is "yes", the management device sends a data recovery request instruction to the examination terminal, and a data communication channel from the examination terminal to the management device is established between the examination terminal and the management device; the examination terminal transmits the data stream to the management device, and the management device receives and stores the data stream.
Step six, after all the answer sheet data are recovered, the central control system of the management device controls all the examination terminals to exit the examination mode, and the examination program is closed; and releasing the examination control in the third step; the retrieved answer sheet data is exported from the management device.
Further, the central control system of the management device is communicated with each examination terminal by adopting a USB private encryption protocol.
Further, a breakpoint continuous transmission technology is adopted in the transmission process of the transmission data stream; when the transmission is abnormally interrupted, the data channel resumes transmission from the interrupt position after the handshake connection is restored.
Further, the test program may be a test APP.
The invention has the beneficial effects that:
according to the examination terminal management device, the plurality of examination terminals in one examination room are managed through the USB hub, and the examination terminals are subjected to issuing of examination paper data and recovery of answer paper data in a USB data communication mode, so that an independent and closed application environment is formed. The risk that the local area network communication mode monitoring machine and the examination machine are easy to infect viruses and Trojan horses in the prior art is avoided, and the safety and reliability of examination data are improved.
The examination terminal management device provided by the invention simultaneously charges each examination terminal and maintains the equipment software through the USB hub, thereby simplifying the management of an examination system.
The examination terminal management device controls the examination terminal in a USB hub mode, controls the starting operation and closing withdrawal of the examination program on the examination terminal, controls the examination program on the examination terminal to be unable to withdraw and unable to stop the screen in the middle of examination, disables functions of wifi, communication, shutdown and the like on the examination terminal, eliminates the possibility that an examinee controls the examination program in an illegal mode (such as in-out of the line) and ensures the integrity and controllability of the examination process and the examination can be carried out fairly, fairly and completely.
The USB data communication in the invention adopts the private encryption protocol, the physical layer adopts the USB Bulk transmission, the data link layer and the application layer adopt the private encryption algorithm to encrypt the transmission data, the encryption key is replaceable (different keys can be replaced in each examination), the large file transmission can be carried out, the possibility of illegal stealing of the examination data is greatly reduced, and the invention has the advantages of high efficiency, stability and high safety of the data communication.
It should be noted that the "private encryption protocol" used in the present invention is not an unpublished technical secret, but is essentially a communication encryption protocol based on the prior art, additional participant-specific encryption rules. Such "private encryption protocols" can be implemented by those of ordinary skill in the art based on existing communication protocol techniques, in combination with specific encryption rules.
The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention by one of ordinary skill in the art without undue burden. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.
Claims (8)
1. The application method of the examination terminal management device comprises the steps that the management device comprises a device body, and an adapter plate with a singlechip is arranged in the device body; the adapter plate is provided with a plurality of USB hubs for performing machine position management on each examination terminal, and each USB hub is used for positioning the plugging state of the examination terminal under the corresponding physical position; a central control system is further arranged in the device body, and is connected with a plurality of USB hubs through the single chip microcomputer signals, and forms bidirectional data exchange with each examination terminal through the USB hubs; the using method comprises the following steps:
step one, importing external examination data into the central control system of the management device, wherein each examination terminal is placed in a containing space of the management device and a USB data transmission channel is established through the corresponding USB hub;
step two, the management device carries out security check on each examination terminal through the central control system, wherein the security check comprises checking whether the electricity and the storage capacity are sufficient, and/or checking whether components of the examination terminal work normally, and/or checking whether the examination terminal is infected with a virus Trojan, and/or checking whether an illegal program is installed in the examination terminal; when the safety inspection detects unsafe factors, carrying out safety maintenance on the examination terminal until the safety inspection passes; the examination terminal passing the security check is in a standby state;
step three, the central control system starts the examination programs preset in each examination terminal in batches, so that each examination terminal enters an examination mode, and the screen-extinguishing function and the exit function of each examination terminal are limited; maintaining each examination terminal in an examination state;
step four, the management device issues examination data to each examination terminal in batches, and examination is conducted by an examinee through each examination terminal; after the test is completed by the examinee, the test terminals are put back into the USB hubs of the management device, and the test terminals keep a safe data channel between the USB hubs and the management device;
step five, after each examination terminal is inserted into the USB hub on the management device, the management device detects whether each examination terminal has answer sheet data to be recovered and whether the answer sheet data are complete and legal; when the detection is passed, each examination terminal returns the answer sheet data to the management device through the USB hub;
step six, after all answer sheet data are recovered, the central control system of the management device controls all the examination terminals to exit an examination mode, and the examination program is closed; and releasing the examination control in the third step; and the retrieved answer sheet data is exported from the management device.
2. The method for using the examination terminal management apparatus according to claim 1, wherein: the central control system is an industrial tablet computer.
3. The method for using the examination terminal management apparatus according to claim 1, wherein: the examination terminal is a tablet personal computer or a mobile phone and comprises an android or windows pc series or windows Moblie series or ios series or apple pc series or linux series operating system.
4. The method for using the examination terminal management apparatus according to claim 1, wherein: in the third step, a central control system in the management device sends out a control instruction, wherein the control instruction is used for adjusting the recording and playing volume of the test terminal, starting the test program, clearing non-test related data, disabling the functions of exiting, screen-extinguishing, wifi, communication and shutdown of the test program in the test terminal in the running process, and keeping the test terminal in a test state; the control instruction also controls closing of the examination program and release of the permission control.
5. The method for using the examination terminal management apparatus according to claim 1, wherein: in the fourth step, the management device firstly sends a data issuing instruction, the corresponding examination terminal is found through addressing of the singlechip, after receiving the data issuing instruction, the corresponding examination terminal starts an examination program, and the examination program and the central control program establish a data communication channel from the management device to the examination terminal; the management device transmits the data stream to the examination program, and the examination program receives the data stream and stores the data stream in the examination terminal.
6. The method for using the examination terminal management apparatus according to claim 1, wherein: in the fifth step, after the test terminal is inserted into the USB hub of the management device, the management device automatically senses and sends a data recovery check instruction to the test terminal, and checks whether the test terminal has data to be recovered; if the checking result is "yes", the management device sends a data recovery request instruction to the examination terminal, and a data communication channel from the examination terminal to the management device is established between the examination terminal and the management device; the examination terminal sends the data stream to the management device, and the management device receives and stores the data stream.
7. The method of using the examination terminal management apparatus according to any one of claims 1 to 6, characterized in that: and the central control system of the management device is communicated with each examination terminal by adopting a USB private encryption protocol.
8. The method of using the examination terminal management apparatus according to any one of claims 5 to 6, characterized in that: the transmission process of the transmission data stream adopts a breakpoint continuous transmission technology; when the transmission is abnormally interrupted, the data channel resumes transmission from the interrupt position after the handshake connection is restored.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330668.8A CN111563239B (en) | 2020-04-24 | 2020-04-24 | Using method of examination terminal management device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010330668.8A CN111563239B (en) | 2020-04-24 | 2020-04-24 | Using method of examination terminal management device |
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| CN111563239A CN111563239A (en) | 2020-08-21 |
| CN111563239B true CN111563239B (en) | 2023-05-19 |
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| US20130203037A1 (en) * | 2012-02-07 | 2013-08-08 | Tata Consultancy Services Limited | Examination mangement |
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| CN101964152A (en) * | 2010-10-27 | 2011-02-02 | 昆明冶金高等专科学校 | Local area network-based network examination system and implementation method thereof |
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