CN102637387B - Wireless electronic seat card - Google Patents
Wireless electronic seat card Download PDFInfo
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- CN102637387B CN102637387B CN201210127541.1A CN201210127541A CN102637387B CN 102637387 B CN102637387 B CN 102637387B CN 201210127541 A CN201210127541 A CN 201210127541A CN 102637387 B CN102637387 B CN 102637387B
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Abstract
The invention relates to a wireless electronic seat card. The wireless electronic seat card comprises a computer, a forwarding module, a power supply module, a control module and a display module. The power supply module is respectively connected with the forwarding module, the control module and the display module, the RS232 serial port of the computer is connected with the forwarding module, the forwarding module is wirelessly connected with the control module, and the I/O (Input/Output) port of the control module is connected with the display module. The wireless electronic seat card has the following beneficial effects: 1, the wireless electronic seat card is simple in structure and convenient to use; 2, the wireless electronic seat card uses a wireless communication mode, and can conveniently and quickly modify the display content of the seat card; 3, the wireless electronic seat card needs no power line for supplying power, thereby effectively improving the working efficiency of venue layout workers.
Description
Technical field
The present invention relates to a kind of office appliance, relate in particular to one and be placed on conference table, can revise by wireless communication mode the wireless electron seat plate of displaying contents and display mode.
Background technology
In the current burgeoning epoch of information, the inside and outside information interchange of each enterprises and institutions is all further frequent, also bring various forms of meeting exchange activities thereupon, as: internal affairs report etc. between the commercial negotiation between enterprise, intergovernmental major event discussion and decision-making, all kinds of science and exchange of technology, enterprise.Seat plate is positioned over the device that shows participant's information on conference table while being meeting exchange activity.Traditional seat plate has the following disadvantages: 1) be limited to the size of seat plate, the information that can show is less; 2) change displaying contents, need to again print, inconvenience is installed.The appearance of electronic seat number plate has overcome above-mentioned deficiency, but has also brought new inconvenience: 1) adopt wire communication mode, amendment displaying contents time, need mobile electron seat plate, amendment one by one, not only troublesome poeration, and inefficiency; 2) adopt wire communication and adopt power lead power supply, having increased the workload that meeting-place is arranged, having wasted human and material resources.Therefore, we in the urgent need to a kind of can convenient and swift amendment displaying contents and the seat plate of display mode.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of simple in structure, easy to operate, can revise quickly and easily the wireless electron seat plate of displaying contents.
The technical solution adopted in the present invention is: a kind of wireless electron seat plate, it includes computing machine, forwarding module, power module, control module and display module, described power module is connected with forwarding module, control module, display module respectively, the RS232 serial ports of described computing machine is connected with forwarding module, forwarding module is connected with control module by wireless mode, and the I/O mouth of control module is connected with display module; Content, mode and the address that computing machine need to show wireless electron seat plate passes to forwarding module by the RS232 serial ports of computing machine, forwarding module is crossed wireless transmission mode by the information exchange of acquisition and is sent to control module with electromagnetic form, control module receives the electromagnetic wave that forwarding module is sent, and this electromagnetic wave is decoded according to certain sequential, to obtain the information of displaying contents, display mode and demonstration address, then these information are passed to display module and show.
Press such scheme, described forwarding module comprises serial communication unit, first microprocessor unit, wireless transmission unit, described control module comprises radio receiving unit and the second microprocessor unit, and described display module comprises display screen and display driver circuit, the content that need to show to computer input wireless electron seat plate by the human-computer interaction interface of computing machine, mode and address, the RS232 serial ports that these information exchanges are crossed computing machine by computing machine passes to the serial communication unit of forwarding module, serial communication unit passes to wireless transmission unit by first microprocessor unit by these information, wireless transmission unit sends to radio receiving unit in control module by the information of acquisition with electromagnetic form according to certain sequential, radio receiving unit is decoded to the information receiving according to certain sequential, obtain displaying contents, the information of display mode and demonstration address, then these information are transmitted to the second microprocessor unit, the second microprocessor unit receives after these information, the demonstration address information receiving and the address information of self are compared, in the time that both are identical, the second microprocessor unit is preserved all information receiving, and call its inner display driving software and process, then result is exported to the display driver circuit of display module by the I/O mouth of the second microprocessor unit, content and display mode that display driver circuit need to show display screen display radio electronics seat plate, when the demonstration address information receiving when the second microprocessor unit is not identical with the address information of self, the second microprocessor unit does not carry out any processing to the information receiving, and directly abandons.
Press such scheme, described power module is made up of battery unit and power supply supervision unit, and wherein battery unit is made up of two groups of dry cell batteries, forms Double redundancy backup; The voltage signal of the electric battery that the real-time monitoring of power supply supervision unit is being used, when the voltage of the electric battery using is during lower than setting value, switches electric battery.
Press such scheme, described display screen unit adopts double screen to show, described double screen is the LED dot matrix screen of equal size, or one of them employing LED dot matrix screen, and another one adopts LCD screen.
Press such scheme, described first microprocessor unit and the second microprocessor unit adopt STC89C52RC single-chip microcomputer; Described radio receiving unit and wireless transmission unit adopt NRF24L01 wireless module; Described display driver circuit adopts the special driving chip HT1632C of LED dot matrix.
In described computing machine, be provided with human-computer interaction interface, matrix withdraw module and serial port drive module, possess the function that displaying contents input, display mode amendment and Information Selection send.User can formulate displaying contents and the display mode thereof of certain or certain several display modules.Displaying contents is text message or simple message bit pattern, display mode comprise move, move down, move to left, move to right, static, every kind of move mode comprises that again fast moving, middling speed move, move at a slow speed.
Described forwarding module is by serial communication unit, and first microprocessor unit and wireless transmission unit form.Described serial communication unit adopts RS232 agreement and compunication, obtain the information such as displaying contents, display mode, demonstration address, then these information are passed to first microprocessor unit, first microprocessor unit passes to wireless transmission unit by these information again, described wireless transmission unit, according to certain sequential, sends the information of acquisition with electromagnetic form.
Described control module is made up of radio receiving unit and the second microprocessor unit.Radio receiving unit receives the electromagnetic wave that wireless transmission unit is sent, and according to certain sequential, the information receiving is decoded, and obtains the information such as displaying contents, display mode, demonstration address, then these information is transmitted to the second microprocessor unit.The second microprocessor unit receives after these information, the demonstration address information in relatively reception information and the address information of self.In the time that both are identical, the second microprocessor unit is preserved all information receiving, and calls its inner display driving software and process, and result is exported by I/O mouth.In the time that both are not identical, the second microprocessor unit does not carry out any processing to information, directly abandons.
Described display module is made up of display driver circuit and display screen, and wherein display screen adopts double screen to show.Described display driver circuit is connected with I/O mouth and the display screen of the output display information of the second microprocessor unit respectively, realizes the demonstration of displaying contents, the execution of display mode.
Described power module is made up of battery unit and power supply supervision unit, wherein battery unit is made up of two groups of dry cell batteries, form Double redundancy backup, the voltage signal of the electric battery that the real-time monitoring of power supply supervision unit is being used, when the voltage of the electric battery using is during lower than setting value, switch electric battery.
Beneficial effect of the present invention is: 1, simple in structure, easy to use.2, adopt wireless telecommunications, can revise quickly and easily the displaying contents of seat plate.3, without the work efficiency that adopts the power supply of cable power line, can effectively improve meeting-place the personnel that arrange.
Brief description of the drawings
Fig. 1 is the structured flowchart of the embodiment of the present invention.
Fig. 2 is the circuit diagram of the forwarding module of the embodiment of the present invention.
Fig. 3 is the circuit diagram of the control module of the embodiment of the present invention.
Fig. 4 is the circuit diagram of the display module of the embodiment of the present invention.
Embodiment
Further illustrate embodiments of the invention below in conjunction with accompanying drawing.
Referring to Fig. 1, a kind of wireless electron seat plate, it includes computing machine, forwarding module, power module, control module and display module, described power module is connected with forwarding module, control module, display module respectively, the RS232 serial ports of described computing machine is connected with forwarding module, forwarding module is connected with control module by wireless mode, and the I/O mouth of control module is connected with display module; Content, mode and the address that computing machine need to show wireless electron seat plate passes to forwarding module by the RS232 serial ports of computing machine, forwarding module is crossed wireless transmission mode by the information exchange of acquisition and is sent to control module with electromagnetic form, control module receives the electromagnetic wave that forwarding module is sent, and this electromagnetic wave is decoded according to certain sequential, to obtain the information of displaying contents, display mode and demonstration address, then these information are passed to display module and show.
In the present embodiment, described forwarding module comprises serial communication unit, first microprocessor unit, wireless transmission unit, described control module comprises radio receiving unit and the second microprocessor unit, described display module comprises display screen and display driver circuit, the content that need to show to computer input wireless electron seat plate by the human-computer interaction interface of computing machine, mode and address, the RS232 serial ports that these information exchanges are crossed computing machine by computing machine passes to the serial communication unit of forwarding module, serial communication unit passes to wireless transmission unit by first microprocessor unit by these information, wireless transmission unit sends to radio receiving unit in control module by the information of acquisition with electromagnetic form according to certain sequential, radio receiving unit is decoded to the information receiving according to certain sequential, obtain displaying contents, the information of display mode and demonstration address, then these information are transmitted to the second microprocessor unit, the second microprocessor unit receives after these information, the demonstration address information receiving and the address information of self are compared, in the time that both are identical, the second microprocessor unit is preserved all information receiving, and call its inner display driving software and process, then result is exported to the display driver circuit of display module by the I/O mouth of the second microprocessor unit, content and display mode that display driver circuit need to show display screen display radio electronics seat plate, when the demonstration address information receiving when the second microprocessor unit is not identical with the address information of self, the second microprocessor unit does not carry out any processing to the information receiving, and directly abandons.Described power module is made up of battery unit and power supply supervision unit, and wherein battery unit is made up of two groups of dry cell batteries, forms Double redundancy backup; The voltage signal of the electric battery that the real-time monitoring of power supply supervision unit is being used, when the voltage of the electric battery using is during lower than setting value, switches electric battery.
In order to make display module there is better display effect, can make display screen unit adopt double screen to show, described double screen is the LED dot matrix screen of equal size, or one of them employing LED dot matrix screen, another one adopts LCD screen.
For stability cost-saving and guarantee wireless electron seat plate, can make first microprocessor unit and the second microprocessor unit adopt STC89C52RC single-chip microcomputer; Radio receiving unit and wireless transmission unit adopt NRF24L01 wireless module; Display driver circuit adopts the special driving chip HT1632C of LED dot matrix.
Information transmission of the present invention is as follows:
1, user inputs the display module (identifying by display module addresses) of displaying contents, display mode, the effect of appointment input message by the human-computer interaction interface of computing machine, these information exchanges are crossed the serial ports (RS232) of computing machine, pass to the serial communication unit of forwarding module;
2, the serial communication unit in forwarding module obtains the information such as displaying contents, display mode, display module addresses, then these information are passed to first microprocessor unit, information is passed to wireless transmission unit by first microprocessor unit, and wireless transmission power supply sends the information obtaining according to certain sequential with electromagnetic form;
3, the radio receiving unit in control module receives electromagnetic wave, and according to certain sequential, the information receiving is decoded, and obtains the information such as displaying contents, display mode, display module addresses, then these information is transmitted to the second microprocessor unit; The second microprocessor unit receives after these information, the display module addresses information in relatively reception information and the address information of self.In the time that both are identical, the second microprocessor unit is preserved all information receiving, and calls its inner display driving software and process, and result is exported by I/O mouth.In the time that both are not identical, the second microprocessor unit does not carry out any processing to information, directly abandons;
4, I/O mouth and the display screen of the microprocessor output display information in the display driver circuit link control module in display module, realize the demonstration of displaying contents, the execution of display mode.
Described computing machine possesses the function that displaying contents input, display mode amendment and selectivity send.Human-computer interaction interface provides a friendly man-machine interactive platform, and on this platform, user can input displaying contents, amendment display mode, specify the display module of input message effect.Human-computer interaction interface obtains after these information, by calling type matrix extraction module, the information that needs are shown converts the type matrix that can show on display module to, call afterwards serial port drive module, by formed word module information, display mode control information, display module addresses information exchange is crossed RS232 agreement and is sent to the serial communication unit in forwarding module.
PORT COM (the P30 that described serial communication unit adopts first microprocessor unit to carry, P31) by level transferring chip (as MAX232) and computer communication, the minimum system taking STC89C52RC single-chip microcomputer as core can be selected in first microprocessor unit, described wireless sending module is realized the wireless telecommunications between forwarding module and control module, can adopt the wireless communication apparatus building taking NRF24L01 as core.
The circuit diagram of embodiment repeating module is as shown in Figure 2:
1 pin of NRF24L01 connects power supply ground;
2 pin connect 3.3V positive source;
3 pin meet the P14 of first microprocessor cell S TC89C52RC single-chip microcomputer;
4 pin meet the P10 of first microprocessor cell S TC89C52RC single-chip microcomputer;
5 pin meet the P11 of first microprocessor cell S TC89C52RC single-chip microcomputer;
6 pin meet the P12 of first microprocessor cell S TC89C52RC single-chip microcomputer;
7 pin meet the P13 of first microprocessor cell S TC89C52RC single-chip microcomputer;
8 pin meet the P3.2 of first microprocessor cell S TC89C52RC single-chip microcomputer.
Described control module is made up of radio receiving unit and the second microprocessor unit, wherein radio receiving unit also adopts the wireless communication apparatus building taking NRF24L01 as core, the wireless telecommunications of realization and forwarding module, the second microprocessor unit is selected the minimum system taking STC89C52RC single-chip microcomputer as core.In example, the circuit diagram of control module is as shown in Figure 3, identical in pin annexation and Fig. 2 in real time.
Described display module is made up of display driver circuit and display screen, wherein display driver circuit adopts the special driving chip HT1632C of LED dot matrix etc., display screen adopts double screen to show, double screen can be the LED dot matrix screen of equal size, also can one be LED dot matrix screen, another one is LCD screen (as LCD1602, LCD12864 etc.).Display module in embodiment adopts the LED dot matrix screen of two equal sizes, and circuit diagram as shown in Figure 4.
Described power module is made up of battery unit and power supply supervision unit, wherein battery unit is made up of two groups of dry cell batteries, form Double redundancy backup, the voltage signal of the electric battery that the real-time monitoring of power supply supervision unit is being used, when the voltage of the electric battery using is during lower than setting value, switch electric battery.
The present invention is simple in structure, easy to use, can effectively improve meeting-place layout personnel's work efficiency, and the meeting-place that is particularly useful for medium-and-large-sized meeting is arranged.
The above; be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, those skilled in the art utilize the technology contents of above-mentioned announcement to make a little simple modification; equivalent variations or modification, all drop in protection scope of the present invention.
Claims (1)
1. a wireless electron seat plate, it is characterized in that: include computing machine, forwarding module, power module, control module and display module, described power module is connected with forwarding module, control module, display module respectively, the RS232 serial ports of described computing machine is connected with forwarding module, forwarding module is connected with control module by wireless mode, and the I/O mouth of control module is connected with display module, content, mode and the address that computing machine need to show wireless electron seat plate passes to forwarding module by the RS232 serial ports of computing machine, forwarding module is crossed wireless transmission mode by the information exchange of acquisition and is sent to control module with electromagnetic form, control module receives the electromagnetic wave that forwarding module is sent, and this electromagnetic wave is decoded according to certain sequential, to obtain the information of displaying contents, display mode and demonstration address, then these information are passed to display module and show, described forwarding module comprises serial communication unit, first microprocessor unit, wireless transmission unit, and described control module comprises radio receiving unit and the second microprocessor unit, and described display module comprises display screen and display driver circuit, the content that need to show to computer input wireless electron seat plate by the human-computer interaction interface of computing machine, mode and address, the RS232 serial ports that these information exchanges are crossed computing machine by computing machine passes to the serial communication unit of forwarding module, serial communication unit passes to wireless transmission unit by first microprocessor unit by these information, wireless transmission unit sends to radio receiving unit in control module by the information of acquisition with electromagnetic form according to certain sequential, radio receiving unit is decoded to the information receiving according to certain sequential, obtain displaying contents, the information of display mode and demonstration address, then these information are transmitted to the second microprocessor unit, the second microprocessor unit receives after these information, the demonstration address information receiving and the address information of self are compared, in the time that both are identical, the second microprocessor unit is preserved all information receiving, and call its inner display driving software and process, then result is exported to the display driver circuit of display module by the I/O mouth of the second microprocessor unit, content and display mode that display driver circuit need to show display screen display radio electronics seat plate, when the demonstration address information receiving when the second microprocessor unit is not identical with the address information of self, the second microprocessor unit does not carry out any processing to the information receiving, and directly abandons, described power module is made up of battery unit and power supply supervision unit, and wherein battery unit is made up of two groups of dry cell batteries, forms Double redundancy backup, the voltage signal of the electric battery that the real-time monitoring of power supply supervision unit is being used, when the voltage of the electric battery using is during lower than setting value, switches electric battery, described display screen unit adopts double screen to show, described double screen is the LED dot matrix screen of equal size, or one of them employing LED dot matrix screen, and another one adopts LCD screen, described first microprocessor unit and the second microprocessor unit adopt STC89C52RC single-chip microcomputer, described radio receiving unit and wireless transmission unit adopt NRF24L01 wireless module, described display driver circuit adopts the special driving chip HT1632C of LED dot matrix.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210127541.1A CN102637387B (en) | 2012-04-27 | 2012-04-27 | Wireless electronic seat card |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210127541.1A CN102637387B (en) | 2012-04-27 | 2012-04-27 | Wireless electronic seat card |
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| CN102637387A CN102637387A (en) | 2012-08-15 |
| CN102637387B true CN102637387B (en) | 2014-06-25 |
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| CN201210127541.1A Active CN102637387B (en) | 2012-04-27 | 2012-04-27 | Wireless electronic seat card |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103309504A (en) * | 2013-05-23 | 2013-09-18 | 中国矿业大学 | Touch screen input LED Chinese character display system with wireless communication function |
| CN107170308A (en) * | 2017-07-14 | 2017-09-15 | 安徽智星交通科技股份有限公司 | Classroom question and answer management method and system |
| CN110232874A (en) * | 2019-06-28 | 2019-09-13 | 福建师范大学福清分校 | A kind of SCM Based school LCD board |
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| DE102010027709A1 (en) * | 2010-07-20 | 2012-01-26 | Airbus Operations Gmbh | Method and system for displaying information on a display unit in an aircraft cabin |
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| DE10044589A1 (en) * | 2000-09-08 | 2002-04-18 | Interstuhl Bueromoebel Gmbh | Electronic seating place designation system, has wireless connection, such as infrared-, laser-light, ultrasound or RF, between operator device and control device |
| CN101364916A (en) * | 2008-08-25 | 2009-02-11 | 浙江天地人科技有限公司 | Intelligent conference seat management system |
| CN201336112Y (en) * | 2008-11-25 | 2009-10-28 | 李超 | Wireless electronic identity card |
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| CN102637387A (en) | 2012-08-15 |
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