CN102662359B - Novel intelligent examination hall management system - Google Patents
Novel intelligent examination hall management system Download PDFInfo
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- CN102662359B CN102662359B CN201210105834.XA CN201210105834A CN102662359B CN 102662359 B CN102662359 B CN 102662359B CN 201210105834 A CN201210105834 A CN 201210105834A CN 102662359 B CN102662359 B CN 102662359B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a novel intelligent examination hall management system belonging to a wireless sensor network and the technical field of automation. The structure is as follows: a time managing and issuing device is respectively connected with a first examination hall receiving terminal to an nth examination hall receiving terminal through a ZigBee/IEEE802.15.4 channel. The novel intelligent examination hall management system disclosed by the invention has the beneficial effects of: 1) ensuring the fairness of an examination, reducing the possibility of misoperation of a test supervisor, 2) having reliable and stable wireless connection and strong anti-interference performance, 3) greatly reducing the handling capacity of the test supervisor so as to obviously reduce the possibility of misoperation, and improving the fairness of a listening test and various large examinations, and 4) being simple in implementation and low in cost.
Description
Technical field
The invention belongs to wireless sensor network and technical field of automation, particularly a kind of novel intelligent examination hall management system.
Background technology
At present, the large-scale examination of country, due to the unified time reference of neither one, the wrist-watch that each examination hall supervisor can only carry according to oneself or examination the tinkle of bells estimate beginning and the end of test time, this temporal disunity, often cause each examination hall paper transmitting-receiving Time Inconsistency, thereby affected to a certain extent the fairness of examination.Even some examination points will send special messenger to notify each examination hall supervisor to carry out operations by the mode of blowing a whistle, this mode has not only been wasted manpower, and because signal is single, make supervisor more easily produce maloperation, once maloperation occurs, will have a strong impact on examinee's mood, infringement examinee rights and interests.In addition, in order to prevent from taking an examination, examinee utilizes the wireless device cheatings such as mobile phone, and each examination hall can be arranged a mobile phone shielding instrument conventionally, shields a plurality of wireless channels.Shielding instrument adopts 220VAC power supply, some examination (such as four or six grades of College English) requires to close shielding instrument in the hearing stage, increased so again the complexity of supervisor's operation, shielding instrument may not closed in time due to supervisor's carelessness in some examination hall, Shi Gai examination hall hearing signal quality declines, thereby has affected the fairness of examination.
For above situation, examination point needs a set of general intelligent examination hall management system, the time in synchronous examination point Nei Ge examination hall, optimize examination surroundings, and guarantee the fairness of examination.
Summary of the invention
The present invention is directed to above-mentioned defect and disclose a kind of novel intelligent examination hall management system.The object of the invention is to solve the examination hall time disunity problem described in background technology, and increased on this basis examination hall voice message, examination hall shielding instrument is the function such as open and close automatically.
The structure of a kind of novel intelligent examination hall management system is as follows: time management with issue equipment and be connected respectively the 1st receiving terminal to the n examination hall, examination hall receiving terminal by ZigBee/IEEE802.15.4 channel; N >=1;
Time management is as follows with the structure that issues equipment: computing machine is connected USB/UART chip (USB end), the first single-chip microcomputer connects respectively USB/UART chip (UART end), a CC2530 chip, the first DLL (dynamic link library), the first feed circuit, the first reset circuit and the first crystal oscillator, and a CC2530 chip connects respectively the second crystal oscillator, the second feed circuit, the first radio circuit, the second reset circuit and the second DLL (dynamic link library); The first single-chip microcomputer, USB/UART chip, the first DLL (dynamic link library), the first feed circuit, the first reset circuit and the first crystal oscillator form the first one-chip computer module; The one CC2530 chip, the second crystal oscillator, the second feed circuit, the first radio circuit, the second reset circuit and the second DLL (dynamic link library) form coordinator module;
The structure of the 1st receiving terminal to the n examination hall, examination hall receiving terminal with same structure is as follows: the 2nd CC2530 chip connects respectively the 3rd crystal oscillator, the 3rd feed circuit, the second radio circuit, the 3rd reset circuit and the 3rd DLL (dynamic link library); Second singlechip connects respectively the 2nd CC2530 chip, the 4th DLL (dynamic link library), relay drive circuit, the 4th feed circuit, UART/RS485 change-over circuit, the 4th crystal oscillator, loudspeaker driving circuit and the 4th reset circuit; The 2nd CC2530 chip, the 3rd crystal oscillator, the 3rd feed circuit, the second radio circuit, the 3rd reset circuit and the 3rd DLL (dynamic link library) form router-module, and second singlechip, the 4th DLL (dynamic link library), relay drive circuit, the 4th feed circuit, UART/RS485 change-over circuit, the 4th crystal oscillator, loudspeaker driving circuit and the 4th reset circuit form second singlechip module;
LED display connects UART/RS485 change-over circuit by RS485 bus, and loudspeaker connects loudspeaker driving circuit.
Described relay drive circuit connects relay, one end of relay has 220VAC plug, the socket of this 220VAC plug and 220VAC power supply is assembled together, thereby relay is connected with 220VAC power supply, the other end of relay has 220VAC jack, this 220VAC jack is assembled together with the plug of shielding instrument, thereby relay connects shielding instrument; Relay and shielding instrument form shielding instrument control module.
Described computing machine is equipped with Windows operating system and examination management software, and it connects USB/UART chip (USB end) by USB interface.
Described USB/UART chip (UART end) is connected to the UART0 of the first single-chip microcomputer.
Described the first DLL (dynamic link library) and the 4th DLL (dynamic link library) are jtag interface;
The frequency of described the first crystal oscillator and the 4th crystal oscillator is 8MHz;
The frequency of described the second crystal oscillator and the 3rd crystal oscillator is 32MHz;
The model of described the first single-chip microcomputer and second singlechip is MSP430F149.
Described time management with issue equipment and be arranged on examination point administrative center, the 1st receiving terminal to the n examination hall, examination hall receiving terminal is arranged on respectively the 1st n examination hall, examination hall to the.
Described LED display comprises driving chip and LED dot matrix screen.
Beneficial effect of the present invention is:
1) by a time management being set and issuing equipment, unification issues test time information and information of voice prompt ，Shi Ge examination hall time unification, has guaranteed the fairness of examination, reduces the possibility of invigilator personnel maloperation.
2) time management adopts wireless mode to be connected with issuing between equipment and each examination hall receiving terminal, reduces the construction process of wiring, reduces construction cost.Wireless channel is based on ZigBeePro agreement and IEEE802.15.4 standard, and wireless connections are reliable and stable, strong interference immunity.
3) by designing a shielding instrument control module, can make to shield instrument automatic operation, greatly reduce invigilator personnel's operational ton, thereby significantly reduce the possibility of maloperation, the fairness of can improve one's hearing examination and even various large-scale examinations.
4) the present invention realizes simply, with low cost, only need on examination point management centre computer, just can be applied in the large-scale examination examination point of all types by simple modification software program, is extremely convenient to large-scale promotion application, has significant economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is overall construction drawing of the present invention;
Fig. 2 is time management and issues equipment pie graph;
Tu3Wei examination hall receiving terminal pie graph.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail:
As shown in Figure 1, the structure of a kind of novel intelligent examination hall management system is as follows: time management with issue equipment and be connected respectively the 1st receiving terminal to the n examination hall, examination hall receiving terminal by ZigBee/IEEE802.15.4 channel 1; N >=1;
As shown in Figure 2, time management is as follows with the structure that issues equipment: computing machine is connected USB/UART chip, the first single-chip microcomputer connects respectively USB/UART chip, a CC2530 chip, the first DLL (dynamic link library), the first feed circuit, the first reset circuit and the first crystal oscillator, and a CC2530 chip connects respectively the second crystal oscillator, the second feed circuit, the first radio circuit, the second reset circuit and the second DLL (dynamic link library); The first single-chip microcomputer, USB/UART chip, the first DLL (dynamic link library), the first feed circuit, the first reset circuit and the first crystal oscillator form the first one-chip computer module; The one CC2530 chip, the second crystal oscillator, the second feed circuit, the first radio circuit, the second reset circuit and the second DLL (dynamic link library) form coordinator module;
As shown in Figure 3, there is the structure of the 1st receiving terminal to the n examination hall, examination hall receiving terminal of same structure as follows: the 2nd CC2530 chip connects respectively the 3rd crystal oscillator, the 3rd feed circuit, the second radio circuit, the 3rd reset circuit and the 3rd DLL (dynamic link library); Second singlechip connects respectively the 2nd CC2530 chip, the 4th DLL (dynamic link library), relay drive circuit, the 4th feed circuit, UART/RS485 change-over circuit, the 4th crystal oscillator, loudspeaker driving circuit and the 4th reset circuit; The 2nd CC2530 chip, the 3rd crystal oscillator, the 3rd feed circuit, the second radio circuit, the 3rd reset circuit and the 3rd DLL (dynamic link library) form router-module, and second singlechip, the 4th DLL (dynamic link library), relay drive circuit, the 4th feed circuit, UART/RS485 change-over circuit, the 4th crystal oscillator, loudspeaker driving circuit and the 4th reset circuit form second singlechip module;
LED display connects UART/RS485 change-over circuit by RS485 bus 2, and loudspeaker connects loudspeaker driving circuit.
Relay drive circuit connects relay coil, one end of relay has 220VAC plug, the socket of this 220VAC plug and 220VAC power supply is assembled together, thereby relay is connected with 220VAC power supply, the other end of relay has 220VAC jack, this 220VAC jack is assembled together with the plug of shielding instrument, thereby relay connects shielding instrument; Relay and shielding instrument form shielding instrument control module.
Computing machine is equipped with Windows operating system and examination management software, and it connects USB/UART chip by USB interface.
USB/UART chip connects the first single-chip microcomputer.
The first DLL (dynamic link library) and the 4th DLL (dynamic link library) are jtag interface;
The frequency of the first crystal oscillator and the 4th crystal oscillator is 8MHz;
The frequency of the second crystal oscillator and the 3rd crystal oscillator is 32MHz;
The model of the first single-chip microcomputer and second singlechip is MSP430F149.
Time management with issue equipment and be arranged on examination point administrative center, 1 receiving terminal to the n examination hall, examination hall receiving terminal is arranged on respectively the 1st n examination hall, examination hall to the.
LED display is for displaying time, and LED display comprises driving chip and LED dot matrix screen.
The course of work of the present invention is as follows:
Time management with issue equipment and issue the information Dao Ge examination hall receiving terminals such as time, voice, each examination hall receiving terminal is processed the actions such as rear execution displays the play.
On computing machine, operation has the examination management software that adopts Visual Studio2010 exploitation, this examination management software has sets the test time stage by stage (such as the hai roll time, the listening start time, the listening end time, receive 1 time of answer sheet, receive 2 times of answer sheet, the examination end time etc.), by the time, set information of voice prompt, by the time, set the functions such as shielding instrument open and close.Examination management software can be accepted staff's set information, and sends USB/UART chip by USB interface.The signal that USB/UART chip is sent USB interface of computer converts TTL signal to and is sent to the UART0 of the first single-chip microcomputer.
The instructions that the first single-chip microcomputer receiving computer is assigned, after treatment, sends to a CC2530 chip by UART1; The interface that the first DLL (dynamic link library) provides a programming and debugs for the first single-chip microcomputer; It is the first single-chip microcomputer power supply that the first feed circuit convert outside 5V power supply (to USB) to 3.3V.The first crystal oscillator provides the clock signal of 8MHz for the first single-chip microcomputer; The first reset circuit provides the function of electrification reset operation on the one hand for the first single-chip microcomputer, on the other hand for user provides the function to the first single-chip microcomputer hand-reset operation, user can make system recover normal by reset when system exception.
The one CC2530 chip is supported ZigBeePRO agreement, by the exploitation of protocol stack is set to ZigBee telegon.The second crystal oscillator provides the clock signal of 32MHz for a CC2530 chip; It is a CC2530 chip power supply that the second feed circuit are converted to 3.3V by 5V power supply (to USB); The 2.4GHz signal that the first radio circuit is responsible for a CC2530 chip to modulate is outwards launched.The second reset circuit provides the function of electrification reset operation on the one hand for a CC2530 chip, on the other hand for user provides the function to a CC2530 chip hand-reset operation, user can make system recover normal by reset when system exception; The interface that the second DLL (dynamic link library) provides a programming and debugs for the 2nd CC2530 chip.
Coordinator module is responsible for the foundation of whole wireless network, and broadcasts the time being received by UART interface, the information such as voice.For all kinds of examinations, staff opens examination management software, on software interface, set, comprise the examination start time, the hearing start time, receive the answer sheet time, the rolling time etc., and set corresponding information of voice prompt at each time point, information of voice prompt can be the voice document recording in advance.
Coordinator module has power amplification circuit, and the power of wireless transmission signal is adjusted to 46dbm left and right, by the mode of broadcast, by data distributing, gives each examination hall receiving terminal.
Each examination hall receiving terminal is comprised of router-module and second singlechip module, the 2nd CC2530 chip time of reception is managed and is issued test time and the voice messaging that equipment issues, send into the UART0 of second singlechip, thereby second singlechip is processed to these data.Second singlechip to data processing after, send to LED display to show corresponding temporal information, send to loudspeaker to produce suggestion voice corresponding voice messaging, shielding instrument switching information is sent to relay, thereby controls the unlatching of shielding instrument and stop.
The 2nd CC2530 chip is supported ZigBeePRO protocol stack, by protocol stack being arranged and corresponding exploitation, is set to ZigBee router.
The ZigBee-network that router-module can add coordinator module to set up, and there is routing function, can increase the coverage of network.Router-module is connected with second singlechip module by UART interface; The 3rd crystal oscillator provides the clock signal of 32MHz for the 2nd CC2530 chip; It is the 2nd CC2530 chip power supply that the 3rd feed circuit are converted to 3.3V by the common AC power of 220V; The 2.4GHz signal that the second radio circuit has been modulated the 2nd CC2530 chip outwards sends; The 3rd reset circuit provides the function of electrification reset operation on the one hand for the 2nd CC2530 chip, on the other hand for user provides the function to the 2nd CC2530 chip hand-reset operation, user can make system recover normal by reset when system exception; The interface that the 3rd DLL (dynamic link library) provides a programming and debugs for the 2nd CC2530 chip.
Second singlechip module is comprised of a MSP430F149 single-chip microcomputer and corresponding peripheral circuit, router-module sends to second singlechip to process by UART the time and the voice messaging that accept, and the corresponding data of second singlechip after to data processing send to LED display and loudspeaker.The interface that the 4th DLL (dynamic link library) provides a programming and debugs for second singlechip; The switching signal that relay drive circuit produces according to second singlechip, drives relay work; It is second singlechip power supply that the 4th feed circuit are converted to 3.3V by the common AC power of 220V; UART/RS485 change-over circuit changes into RS485 signal by the UART signal of single-chip microcomputer, offers LED display; The 4th crystal oscillator provides the clock signal of 8MHz for second singlechip; The power amplification of the simulating signal that loudspeaker driving circuit sends second singlechip D/A converter, drives speaker operation; The 4th reset circuit provides the function of electrification reset operation on the one hand for second singlechip, on the other hand for user provides the function to second singlechip hand-reset operation, user can make system recover normal by reset when system exception.
LED display is for displaying time, and loudspeaker sends some information of voice prompt (according to the requirement of administrative center) for invigilator personnel reference; Loudspeaker signal is produced by the D/A converter of second singlechip, and will after power amplification, offer loudspeaker through loudspeaker driving circuit.
Second singlechip shields the power supply of instrument in turning on and off state by Control, thereby makes its work or stop.Shielding instrument can be in accordance with regulations time service or stop.
Claims (7)
1. a novel intelligent examination hall management system, is characterized in that, its structure is as follows: time management with issue equipment and be connected respectively the 1st receiving terminal to the n examination hall, examination hall receiving terminal by ZigBee/IEEE802.15.4 channel (1); N >=1;
Time management is as follows with the structure that issues equipment: computing machine is connected USB/UART chip, the first single-chip microcomputer connects respectively USB/UART chip, a CC2530 chip, the first DLL (dynamic link library), the first feed circuit, the first reset circuit and the first crystal oscillator, and a CC2530 chip connects respectively the second crystal oscillator, the second feed circuit, the first radio circuit, the second reset circuit and the second DLL (dynamic link library); The first single-chip microcomputer, USB/UART chip, the first DLL (dynamic link library), the first feed circuit, the first reset circuit and the first crystal oscillator form the first one-chip computer module; The one CC2530 chip, the second crystal oscillator, the second feed circuit, the first radio circuit, the second reset circuit and the second DLL (dynamic link library) form coordinator module;
The structure of the 1st receiving terminal to the n examination hall, examination hall receiving terminal with same structure is as follows: the 2nd CC2530 chip connects respectively the 3rd crystal oscillator, the 3rd feed circuit, the second radio circuit, the 3rd reset circuit and the 3rd DLL (dynamic link library); Second singlechip connects respectively the 2nd CC2530 chip, the 4th DLL (dynamic link library), relay drive circuit, the 4th feed circuit, UART/RS485 change-over circuit, the 4th crystal oscillator, loudspeaker driving circuit and the 4th reset circuit; The 2nd CC2530 chip, the 3rd crystal oscillator, the 3rd feed circuit, the second radio circuit, the 3rd reset circuit and the 3rd DLL (dynamic link library) form router-module, and second singlechip, the 4th DLL (dynamic link library), relay drive circuit, the 4th feed circuit, UART/RS485 change-over circuit, the 4th crystal oscillator, loudspeaker driving circuit and the 4th reset circuit form second singlechip module;
LED display connects UART/RS485 change-over circuit by RS485 bus (2), and loudspeaker connects loudspeaker driving circuit.
2. a kind of novel intelligent according to claim 1 examination hall management system, it is characterized in that, described relay drive circuit connects relay, one end of relay has 220VAC plug, the socket of this 220VAC plug and 220VAC power supply is assembled together, thereby relay is connected with 220VAC power supply, and the other end of relay has 220VAC jack, this 220VAC jack is assembled together with the plug of shielding instrument, thereby relay connects shielding instrument; Relay and shielding instrument form shielding instrument control module.
3. a kind of novel intelligent according to claim 1 examination hall management system, is characterized in that, described computing machine is equipped with Windows operating system and examination management software, and it connects USB/UART chip by USB interface.
4. a kind of novel intelligent according to claim 1 examination hall management system, is characterized in that, described USB/UART chip is connected to the UART0 of the first single-chip microcomputer.
5. a kind of novel intelligent according to claim 1 examination hall management system, is characterized in that, described the first DLL (dynamic link library) and the 4th DLL (dynamic link library) are jtag interface;
The frequency of described the first crystal oscillator and the 4th crystal oscillator is 8MHz;
The frequency of described the second crystal oscillator and the 3rd crystal oscillator is 32MHz;
The model of described the first single-chip microcomputer and second singlechip is MSP430F149.
6. a kind of novel intelligent according to claim 1 examination hall management system, is characterized in that, described time management with issue equipment and be arranged on examination point administrative center, the 1st receiving terminal to the n examination hall, examination hall receiving terminal is arranged on respectively the 1st n examination hall, examination hall to the.
7. a kind of novel intelligent according to claim 1 examination hall management system, is characterized in that, described LED display comprises driving chip and LED dot matrix screen.
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| CN201210105834.XA CN102662359B (en) | 2012-04-11 | 2012-04-11 | Novel intelligent examination hall management system |
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| CN201210105834.XA CN102662359B (en) | 2012-04-11 | 2012-04-11 | Novel intelligent examination hall management system |
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| CN102662359B true CN102662359B (en) | 2014-01-15 |
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| CN104570842A (en) * | 2014-12-05 | 2015-04-29 | 深圳市海云天科技股份有限公司 | Examination room instruction terminal and voice instruction playing method thereof |
| CN105991208A (en) * | 2015-03-02 | 2016-10-05 | 马立明 | Wireless communication signal interference and shielding system for classrooms |
| CN105425576A (en) * | 2015-12-01 | 2016-03-23 | 张铭源 | Electronic clock synchronization system at examination place and synchronization method thereof |
| CN106066778A (en) * | 2016-06-30 | 2016-11-02 | 金中朝 | A kind of laboratory table numbering is arranged and display system |
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| GB2413863A (en) * | 2004-05-08 | 2005-11-09 | Ibm | Method and system for distribution of information |
| CN101197067A (en) * | 2007-12-28 | 2008-06-11 | 上海电力学院 | Wireless remote monitoring system based on built-in platform |
| CN101520659A (en) * | 2009-03-20 | 2009-09-02 | 北京工业大学 | Rail type group-hanging synchronizing system based on GPS accurate time service and method thereof |
| DE202010000977U1 (en) * | 2010-01-15 | 2010-04-22 | Mc Technologies Gmbh | Radio terminal device with autonomous control unit |
| CN101968933A (en) * | 2010-10-15 | 2011-02-09 | 广州瀚泰电子科技有限公司 | Interactive teaching system |
| CN102131282A (en) * | 2011-03-11 | 2011-07-20 | 山东大学 | Device and method for publishing wireless sensor network information based on global navigation satellite system/network time protocol (GNSS/NTP) |
| CN202548630U (en) * | 2012-04-11 | 2012-11-21 | 华北电力大学 | Novel intelligent examination room management system |
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Granted publication date: 20140115 Termination date: 20180411 |