CN202257713U - Conference voting system - Google Patents
Conference voting system Download PDFInfo
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- CN202257713U CN202257713U CN201120374554XU CN201120374554U CN202257713U CN 202257713 U CN202257713 U CN 202257713U CN 201120374554X U CN201120374554X U CN 201120374554XU CN 201120374554 U CN201120374554 U CN 201120374554U CN 202257713 U CN202257713 U CN 202257713U
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Abstract
The utility model discloses a conference voting system, which comprises a voting master control microcomputer, voters and a conference display system, wherein the voters are distributed within the acquisition range of the voting master control microcomputer, and are connected with the voting master control microcomputer through wireless communication equipment; the conference display system is connected with the voting master control microcomputer; the wireless communication equipment comprises a first wireless communication module adopting first frequency for communication and a second wireless communication module adopting second frequency for communication; and a channel switching circuit is correspondingly matched. According to the conference voting system, signal transmission reliability can be ensured in a complex electromagnetic environment, and the accuracy of a voting data statistical result can be further ensured.
Description
Technical field
The utility model relates to a kind of meeting voting system, specifically relates to a kind of wireless session voting system.
Background technology
What Figure of description 1 was represented is a kind of traditional wireless session voting system; This system comprises the voting main control microcomputer; Connect the plurality of data collector; Data acquisition unit then connects one or many wireless voting machines, and voting main control microcomputer host computer is a background monitoring microcomputer, and the background monitoring microcomputer then is connected with the meeting display system.Wireless voting machine sends delegate participating in the conference's voted data; Data acquisition unit is gathered said data successively; And valid data are uploaded to the voting main control microcomputer, the voting main control microcomputer counts voting result after data analysis is handled, and then voting result is delivered to display system and shows; The running parameter that data acquisition unit is gathered voting machine simultaneously is uploaded to the background monitoring microcomputer, and the background monitoring microcomputer is realized the overall process dynamic management of voting front and back system, accomplishes emergency event and handles.This system can realize functions such as conventional voting (agree with, oppose, waive the right), vote by ballot, grading type voting, personnel's job performance examination evaluation, the bid assessment of bids, appointment or dismissal of cadres promotion.
Known wireless session voting system adopts near the some channels the single channel to implement the signal transmission of voting machine and main control microcomputer; Development along with technology; Because complex electromagnetic environments in the space, the interference source of each frequency range of existence in the space makes that wireless signal is vulnerable to disturb.The meeting voting system of utilizing wireless channel to carry out the signal transmission inevitably can receive the influence of complex electromagnetic environment, and obviously, in case undesired signal occurs, especially when running into the wideband interference, system all can't operate as normal in whole frequency.The reliability of therefore existing meeting voting system is not high, and the situation such as ticket, leakage ticket that lack happen occasionally.But since the singularity of meeting, some conventions especially, and the voting process must once be accomplished; Any mistakes and omissions can not appear; Even much decide by vote process and can carry out live television coverage, very high request is proposed for the reliability of voting system, if voting system breaks down; For example: scarce ticket, voting speed wait slowly, and consequence is very serious.Therefore reliability, stability and the accuracy of system seem particularly important.
Summary of the invention
Therefore, the purpose of the utility model is to provide a kind of meeting voting system that can under complex electromagnetic environment, guarantee the signal transmission reliability, to guarantee the accuracy of voted data statistics.
In order to realize the foregoing invention purpose, the technical scheme that the utility model adopts is:
A kind of meeting voting system; Comprise the voting main control microcomputer, be distributed in the voting machine that connects this voting main control microcomputer in the voting main control microcomputer acquisition range and through Wireless Telecom Equipment; And the meeting display system that connects said voting main control microcomputer; Said Wireless Telecom Equipment comprises first wireless communication module and second wireless communication module that adopts second frequency to communicate, the channel commutation circuit of correspondingly attaching troops to a unit that adopts first frequency to carry out communication.
So; According to said structure; Can carry out the conversion of first wireless communication module and second each interchannel of wireless communication module, thereby, generally; The signal that the wireless communication module of two kinds of frequencies can be put to the vote between device and voting main control microcomputer simultaneously transmits, to guarantee the accuracy of voted data transmission.When some frequencies receive bigger interference; Near this frequency, changeing frequently through the channel commutation circuit can not the correct transmission data; To such an extent as to when producing situations such as leaking ticket; Then another kind of frequency also can guarantee the transmission of data normal reliable, has satisfied the reliability of signal transmission under complex electromagnetic environment.
And then; Can carry out the conversion of first wireless communication module and second wireless communication module, generally, the signal that the wireless communication module of two kinds of frequencies can be put to the vote between device and voting main control microcomputer simultaneously transmits; When a certain wireless communication module damages and during cisco unity malfunction; Then system relies on another kind of frequency to transmit, and then, guaranteed that under the situation that partial circuit damages meeting can normally carry out.
Above-mentioned meeting voting system, said first wireless communication module and second wireless communication module adopt the not wireless communication module in a frequency range of transmission frequency.
Above-mentioned meeting voting system, said first wireless communication module and second wireless communication module are the frequency modulation wireless communication module of being furnished with the field intensity testing circuit.
Above-mentioned meeting voting system; Comprise that also the background monitoring microcomputer that connects said voting main control microcomputer through data switching exchane is to decide by vote main control microcomputer, voting machine and both communications status through the data acquisition monitoring; And this and this background monitoring microcomputer are furnished with the field intensity testing circuit, work simultaneously or some module work to select two modules.
Above-mentioned meeting voting machine, said voting machine inserts said voting main control microcomputer via data acquisition unit.
Above-mentioned meeting voting machine, said data acquisition unit comprise first controller, be used for PC telecommunication circuit and the said channel commutation circuit that this first controller communicates by letter with the voting main control microcomputer and be connected the corresponding radio receiving transmitting module that is attached to said first wireless communication module and second wireless communication module on this channel commutation circuit.
Above-mentioned meeting voting machine, said radio receiving transmitting module is provided with the receiving gain circuit.
Above-mentioned meeting voting machine divides into groups via said data acquisition unit to voting machine, the corresponding one group of voting machine of each data acquisition unit.
Above-mentioned meeting voting machine, the corresponding data acquisition unit of different grouping adopts different channels.
Above-mentioned meeting voting machine, said voting machine comprise second controller and are connected button, the on/off circuit on this second controller that wherein on/off circuit contains Schmidt trigger, to carry out the waveform transformation of on/off circuit.
Description of drawings
Fig. 1 is the structure principle chart of known a kind of meeting voting machine; The computer shape icon that is connected with data acquisition unit among the figure is the voting main control microcomputer; Bottom right computer dress icon is the background monitoring microcomputer, connects the icon representation data switching exchane of voting main control microcomputer and background monitoring microcomputer.
Fig. 2 is the structural principle block diagram according to a kind of meeting voting of the utility model; The computer shape icon that is connected with data acquisition unit among the figure is the voting main control microcomputer; Bottom right computer dress icon is the background monitoring microcomputer, connects the icon representation data switching exchane of voting main control microcomputer and background monitoring microcomputer.
Fig. 3 is the theory diagram according to a kind of double-frequency wireless voting machine of the utility model.
Fig. 4 is the theory diagram according to a kind of double-frequency wireless data acquisition unit of the utility model.
Embodiment
Bright specifically below in conjunction with Figure of description to the technical scheme work of the utility model, make those skilled in the art better understand the utility model.
With reference to explanation accompanying drawing 2; According to this practical basic structure is the meeting voting system; Comprise the voting main control microcomputer, be distributed in the voting machine that connects this voting main control microcomputer in the voting main control microcomputer acquisition range and through Wireless Telecom Equipment; And the meeting display system that connects said voting main control microcomputer; Said Wireless Telecom Equipment comprises first wireless communication module that adopts first frequency to carry out communication and second wireless communication module that adopts second frequency to communicate, correspondingly, and the channel commutation circuit of attaching troops to a unit.
Channel has switched being applied in the communication technology of morning; Such as early being published in " Jiangxi communication science and technology " 1998 the 2nd " brief talking the channel handoff technique in GSM and the cdma system " wherein; Channel switches the switching that is to use the different frequency channel in essence, has been relative proven technique, certainly; Original channel switches and is used on the bumpless transfer of channel more, and has developed and direct-cut operation and soft hand-off.Implement also in fact based on the channel commutation circuit of the utility model and to be easy to, obtain the field intensity of channel correlation, switch the channel frequency of different communication modules again through threshold circuit switch driven circuit through simple threshold circuit.
Further; In order to improve antijamming capability, said first wireless communication module and second wireless communication module adopt not wireless communication module in a frequency range of transmission frequency, and frequency differs two kinds of bigger channels; In the space electromagnetic interference (EMI) in the certain hour section; Usually only can produce stronger interference, disturb, change another frequency range and then generally can effectively address this problem such as wideband to the signal in a certain frequency range.Certainly, consider the property commonly used of some frequency range, can avoid the frequency range of habitually practising in advance such as conventional communication facilities such as Personal Handyphone System, mobile phone.
Said first wireless communication module and second wireless communication module are the frequency modulation wireless communication module of being furnished with the field intensity testing circuit, thereby, can detect through field intensity, select other frequencies in this frequency range for use, to satisfy interference free performance stronger in the same frequency range.Such as the wireless communication module that adopts 16 passages, detect a best channel of employing signal intensity through field intensity and carry out the signal transmission.
Further; Comprise that also the background monitoring microcomputer that connects said voting main control microcomputer through data switching exchane is to decide by vote main control microcomputer, voting machine and both communications status through the data acquisition monitoring; And this background monitoring microcomputer is furnished with the field intensity testing circuit, with primary election first communication module or second communication module work.Under the duty, system relies on previously selected a kind of frequency or two kinds of frequencies to carry out the signal transmission simultaneously, and when this frequency received wideband interference or the damage of some wireless modules, system relied on another frequency transceive data.
For better management, said voting machine inserts said voting main control microcomputer via data acquisition unit, and carries out other non-productive operation or function intervention through this node of voting machine, thereby, the application of extension system.
And then; Referring to Figure of description 4; Said data acquisition unit comprises first controller, be used for PC telecommunication circuit and the said channel commutation circuit that this first controller communicates by letter with the voting main control microcomputer and be connected the corresponding radio receiving transmitting module that is attached to said first wireless communication module and second wireless communication module on this channel commutation circuit; Voting machine in the general corresponding a plurality of a certain frequency ranges that are provided with in advance of data acquisition unit node; The channel commutation circuit is arranged on the data acquisition unit node, is easy to simplified structure and is convenient to management.
Said radio receiving transmitting module is provided with the receiving gain circuit, through reducing channel radiation, strengthening the antenna gain acceptance in and solve and highly under the low emissive power accept sensitivity and accept.Data acquisition unit is realized the dynamic management to voting machine, mainly realizes accurate time data sampling, and the filtration of air interference signal is extracted, through shielding the radiation of crosstalking that modes such as isolation, power filter solve wireless signal.
Voting machine is not that simple bifrequency is received and dispatched simultaneously, and wherein each wireless communication module also has frequency modulation function, and first function of frequency modulation realizes the voting machine grouping management; Each frequency module is provided with each channel of N channel (for example 16 channels) can set up different data acquisition units respectively; Manage different voting machines, 1 channel management 1-50 voting machine for example, 2 channel management 51-100 voting machines; And the like; System can manage more voting machine, since the grouping management of voting machine, the time of having improved the system acquisition data.Frequency modulation second function realizes that system is anti-interference, when a certain channel is interfered or because of aerial certain channel signal of factors such as environment when more weak, forwards the stronger channel work of signal to through automatic frequency adjustment (or artificial).Automatic frequency adjustment is appearing in the various documents of morning, openly just relates to automatic frequency adjustment such as Chinese CN101145833A application for a patent for invention.
As further description; Referring to Figure of description 4; Data acquisition unit disposes liquid crystal display and the necessary feed circuit that connect with said first controller; Data acquisition unit is communicated by letter with the voting main control microcomputer through above-mentioned PC telecommunication circuit, and the PC telecommunication circuit adopts the RS232 communication standard, and computing machine and double-frequency wireless data acquisition unit are coupled together.Can be through this circuit with the RS232 level conversion of serial ports of computers Transistor-Transistor Logic level, to guarantee the reliable transmission of data for the identification of monolithic function.
The channel commutation circuit can make the common any serial ports that uses first controller of the communication module of two kinds of frequencies; When the undesired signal in space forces communication data normally not receive and dispatch; The channel commutation circuit is near automatic frequency-hopping this frequency automatically, finds out undisturbed channel and carries out data transmission.If undesired signal frequency band broad, normally during transceive data, then circuit relies on another frequency for communication module, thereby makes the system held operate as normal through frequency hopping.
Liquid crystal display should show information such as current frequency, channel, field intensity and parameter are provided with in real time; Its display message is provided with control in advance by first controller; Computer instruction according to data acquisition unit receives is changed displaying contents in real time; The computer instruction here can from the voting main control microcomputer, also can be from the background monitoring microcomputer.
Power supply adopts the alternating current 220V power supply, after the process transformer becomes the alternating current of low-voltage, is transformed into the stable DC voltage that is fit to circuit working through rectifier bridge and voltage stabilizing chip again.
The function unification that first controller is realized based on the aforementioned data collector through embedded software is to the data acquisition and the control of peripheral circuit, and the instruction that real-time process computer sends is through analysis and judgement and then realize the control of voting machine and the collection of data; When running into the spatial interference signal and make system's cisco unity malfunction, first controller needs to switch the frequency of wireless communication module, finds the best Frequency point of field intensity through frequency hopping, guarantees the reliable transmitting-receiving of data; And the update displayed of control screen data presented conveniently shows data such as current frequency of operation, field intensity, parameter intuitively in real time.
Referring to Figure of description 3; Said voting machine comprises second controller and is connected button, the on/off circuit on this second controller that wherein on/off circuit contains Schmidt trigger, to carry out the waveform transformation of on/off circuit; Produce different level signals, connect deenergization.
Button adopts the mode of rank scanning, has reduced taking of IO mouth, utilizes controller scanning key-press status, reads keyboard-coding.
Certainly; Voting machine all will dispose Liquid Crystal Module; Be used for showing in real time current conference status, it control by second controller, receive the number order of data acquisition unit transmission when second controller after; But, carry out certain operations with the prompting participant through judging the displaying contents of liquid opaque crystal module.
Character library is configured in the flash chip or EEPROM of connection and said second controller, supplies second controller to call according to instruction.Character library is used for storing the coded message of Chinese character, and when carrying out Presentation Function, second controller at first reads the coded message of character library, again these data is sent to Liquid Crystal Module and shows.
The feed circuit of second controller adopt and boost and the voltage stabilizing chip becomes the circuits needed burning voltage with the voltage transitions of battery, to guarantee the operate as normal of circuit.
Claims (10)
1. meeting voting system; Comprise the voting main control microcomputer, be distributed in the voting machine that connects this voting main control microcomputer in the voting main control microcomputer acquisition range and through Wireless Telecom Equipment; And the meeting display system that connects said voting main control microcomputer, it is characterized in that said Wireless Telecom Equipment comprises first wireless communication module that adopts first frequency to carry out communication and second wireless communication module that adopts second frequency to communicate; Correspondingly, the channel commutation circuit of attaching troops to a unit.
2. meeting voting system according to claim 1 is characterized in that, said first wireless communication module and second wireless communication module adopt the not wireless communication module in a frequency range of transmission frequency.
3. meeting voting system according to claim 2 is characterized in that, said first wireless communication module and second wireless communication module are the frequency modulation wireless communication module of being furnished with the field intensity testing circuit.
4. according to the arbitrary described meeting voting system of claim 1 to 3; It is characterized in that; Comprise that also the background monitoring microcomputer that connects said voting main control microcomputer through data switching exchane is to decide by vote main control microcomputer, voting machine and both communications status through the data acquisition monitoring; And this background monitoring microcomputer is furnished with the field intensity testing circuit, to judge whether operate as normal of first communication module or second communication module.
5. meeting voting system according to claim 1 is characterized in that, said voting machine inserts said voting main control microcomputer via data acquisition unit.
6. meeting voting system according to claim 5; It is characterized in that said data acquisition unit comprises first controller, be used for PC telecommunication circuit and the said channel commutation circuit that this first controller communicates by letter with the voting main control microcomputer and be connected the corresponding radio receiving transmitting module that is attached to said first wireless communication module and second wireless communication module on this channel commutation circuit.
7. meeting voting system according to claim 6 is characterized in that said radio receiving transmitting module is provided with the receiving gain circuit.
8. according to the arbitrary described meeting voting system of claim 5 to 7, it is characterized in that, voting machine is divided into groups via said data acquisition unit, the corresponding one group of voting machine of each data acquisition unit.
9. meeting voting system according to claim 8 is characterized in that, the corresponding data acquisition unit of different grouping adopts different channels.
10. meeting voting system according to claim 1; It is characterized in that; Said voting machine comprises second controller and is connected button, the on/off circuit on this second controller that wherein on/off circuit contains Schmidt trigger, to carry out the waveform transformation of on/off circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120374554XU CN202257713U (en) | 2011-09-30 | 2011-09-30 | Conference voting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120374554XU CN202257713U (en) | 2011-09-30 | 2011-09-30 | Conference voting system |
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| Publication Number | Publication Date |
|---|---|
| CN202257713U true CN202257713U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120374554XU Expired - Fee Related CN202257713U (en) | 2011-09-30 | 2011-09-30 | Conference voting system |
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| CN (1) | CN202257713U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578170A (en) * | 2012-07-30 | 2014-02-12 | 中兴通讯股份有限公司 | Mobile terminal for electronic voting, vote receiving device, system, and method |
| CN107465558A (en) * | 2017-09-20 | 2017-12-12 | 成都中科信息技术有限公司 | A kind of binary channels voting system |
| CN107592187A (en) * | 2017-09-20 | 2018-01-16 | 成都中科信息技术有限公司 | A kind of means of voting based on binary channels voting system |
-
2011
- 2011-09-30 CN CN201120374554XU patent/CN202257713U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103578170A (en) * | 2012-07-30 | 2014-02-12 | 中兴通讯股份有限公司 | Mobile terminal for electronic voting, vote receiving device, system, and method |
| CN107465558A (en) * | 2017-09-20 | 2017-12-12 | 成都中科信息技术有限公司 | A kind of binary channels voting system |
| CN107592187A (en) * | 2017-09-20 | 2018-01-16 | 成都中科信息技术有限公司 | A kind of means of voting based on binary channels voting system |
| CN107465558B (en) * | 2017-09-20 | 2023-03-14 | 成都中科信息技术有限公司 | Double-channel voting system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20130930 |