CN102637387A - Wireless electronic seat card - Google Patents
Wireless electronic seat card Download PDFInfo
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- CN102637387A CN102637387A CN2012101275411A CN201210127541A CN102637387A CN 102637387 A CN102637387 A CN 102637387A CN 2012101275411 A CN2012101275411 A CN 2012101275411A CN 201210127541 A CN201210127541 A CN 201210127541A CN 102637387 A CN102637387 A CN 102637387A
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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 a kind of being placed on the conference table, can revise the wireless electron seat board of displaying contents and display mode through wireless communication mode.
Background technology
In the current burgeoning epoch of information; Each enterprises and institutions' inside and outside information interchange is all frequent further; 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.The seat board is positioned over the device that shows participant's information on the conference table when being the meeting exchange activity.Traditional seat board exists following not enough: 1) be limited to the size of seat board, the information that can show is less; 2) change displaying contents, need to print again, inconvenience is installed.The appearance of seat electronics board has overcome above-mentioned deficiency, but has also brought new inconvenience: 1) adopt wire communication mode, revise displaying contents the time, need mobile electron seat board, revise not only troublesome poeration, and inefficiency one by one; 2) adopt wire communication and adopt the power lead power supply, increased the workload that the meeting-place is arranged, wasted human and material resources.Therefore, we press for a kind of can convenient and swift modification displaying contents and the seat board of display mode.
Summary of the invention
Technical matters to be solved by this invention provides a kind of simple in structure, easy to operate, can revise the wireless electron seat board of displaying contents quickly and easily.
The technical scheme that the present invention adopted is: a kind of wireless electron seat board; 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, and forwarding module is connected with control module through wireless mode, and the I/O mouth of control module is connected with display module; Computing machine needs content displayed, mode and address to pass to forwarding module through the RS232 serial ports of computing machine on wireless electron seat board; Forwarding module sends to control module through the wireless transmission mode with form of electromagnetic wave with the information that obtains; Control module receives the electromagnetic wave that forwarding module is sent; And this electromagnetic wave decoded according to certain time sequence, to obtain the information of displaying contents, display mode and explicit 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 the radio receiving unit and second microprocessor unit, and described display module comprises display screen and display driver circuit; Human-computer interaction interface through computing machine needs content displayed, mode and address to computing machine input wireless electron seat board; Computing machine passes to these information the serial communication unit of forwarding module through the RS232 serial ports of computing machine; The serial communication unit passes to the wireless transmission unit through the first microprocessor unit with these information; The wireless transmission unit sends to radio receiving unit in control module with the information that obtains with form of electromagnetic wave according to certain time sequence; Radio receiving unit is decoded to the information that receives according to certain time sequence; Obtain the information of displaying contents, display mode and explicit address, be transmitted to second microprocessor unit to these information then, after second microprocessor unit receives these information; Explicit address information that receives and the address information of self are compared; When both were identical, second microprocessor unit was preserved all information that receive, and calls its inner display driving software and handle; Then result is exported to the display driver circuit of display module through the I/O mouth of second microprocessor unit, display driver circuit makes display screen display radio electronics seat board need content displayed and display mode; When explicit address information that receives when second microprocessor unit and the address information of self were inequality, second microprocessor unit did not carry out any processing to the information that receives, 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 two redundancy backups; 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 of using is 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, and perhaps one of them adopts LED dot matrix screen, and another one adopts the LCD screen.
Press such scheme, the described first microprocessor unit and second microprocessor unit adopt the STC89C52RC single-chip microcomputer; Described radio receiving unit and wireless transmission unit adopt the NRF24L01 wireless module; Described display driver circuit adopts the special driving chip HT1632C of LED dot matrix.
Be provided with human-computer interaction interface, type matrix extraction module and serial port drive module in the described computing machine, possess the function of displaying contents input, display mode modification and the transmission of Information Selection property.The user can formulate the 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 the serial communication unit, and first microprocessor unit and wireless transmission unit are formed.Described serial communication unit adopts RS232 agreement and compunication; Obtain information such as displaying contents, display mode, explicit address; Pass to the first microprocessor unit to these information then; The first microprocessor unit passes to the wireless transmission unit with these information again, and described wireless transmission unit sends the information that obtains according to certain time sequence with form of electromagnetic wave.
Described control module is made up of the radio receiving unit and second microprocessor unit.Radio receiving unit receives the electromagnetic wave that the wireless transmission unit is sent, and according to certain time sequence the information that receives is decoded, and obtains information such as displaying contents, display mode, explicit address, is transmitted to second microprocessor unit to these information then.After second microprocessor unit receives these information, explicit address information in the relatively reception information and the address information of self.When both were identical, second microprocessor unit was preserved all information that receive, and calls its inner display driving software and handle, and result is exported through the I/O mouth.When both were inequality, second microprocessor unit did 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 display screen with the I/O mouth of the output display message of 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 two redundancy backups; 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 of using is lower than setting value, switches electric battery.
Beneficial effect of the present invention is: 1, simple in structure, easy to use.2, adopt wireless telecommunications, can revise the displaying contents of seat board quickly and easily.3, need not to adopt the power supply of cable power line, can effectively improve the work efficiency that personnel are arranged in the meeting-place.
Description of drawings
Fig. 1 is the structured flowchart of the embodiment of the invention.
Fig. 2 is the circuit diagram of the forwarding module of the embodiment of the invention.
Fig. 3 is the circuit diagram of the control module of the embodiment of the invention.
Fig. 4 is the circuit diagram of the display module of the embodiment of the invention.
Embodiment
Further specify embodiments of the invention below in conjunction with accompanying drawing.
Referring to Fig. 1; A kind of wireless electron seat board; It includes computing machine, forwarding module, power module, control module and display module, and described power module is connected with forwarding module, control module, display module respectively, and the RS232 serial ports of described computing machine is connected with forwarding module; Forwarding module is connected with control module through wireless mode, and the I/O mouth of control module is connected with display module; Computing machine needs content displayed, mode and address to pass to forwarding module through the RS232 serial ports of computing machine on wireless electron seat board; Forwarding module sends to control module through the wireless transmission mode with form of electromagnetic wave with the information that obtains; Control module receives the electromagnetic wave that forwarding module is sent; And this electromagnetic wave decoded according to certain time sequence, to obtain the information of displaying contents, display mode and explicit 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 the radio receiving unit and second microprocessor unit; Described display module comprises display screen and display driver circuit; Human-computer interaction interface through computing machine needs content displayed, mode and address to computing machine input wireless electron seat board; Computing machine passes to these information the serial communication unit of forwarding module through the RS232 serial ports of computing machine; The serial communication unit passes to the wireless transmission unit through the first microprocessor unit with these information; The wireless transmission unit sends to radio receiving unit in control module with the information that obtains with form of electromagnetic wave according to certain time sequence; Radio receiving unit is decoded to the information that receives according to certain time sequence; Obtain the information of displaying contents, display mode and explicit address, be transmitted to second microprocessor unit to these information then, after second microprocessor unit receives these information; Explicit address information that receives and the address information of self are compared; When both were identical, second microprocessor unit was preserved all information that receive, and calls its inner display driving software and handle; Then result is exported to the display driver circuit of display module through the I/O mouth of second microprocessor unit, display driver circuit makes display screen display radio electronics seat board need content displayed and display mode; When explicit address information that receives when second microprocessor unit and the address information of self were inequality, second microprocessor unit did not carry out any processing to the information that receives, 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 two redundancy backups; 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 of using is lower than setting value, switches electric battery.
In order to make display module have 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, and perhaps one of them adopts LED dot matrix screen, and another one adopts the LCD screen.
In order to practice thrift cost and the stability that guarantees wireless electron seat board, can make the first microprocessor unit and second microprocessor unit adopt the STC89C52RC single-chip microcomputer; Radio receiving unit and wireless transmission unit adopt the NRF24L01 wireless module; Display driver circuit adopts the special driving chip HT1632C of LED dot matrix.
Information transmission of the present invention is following:
1, the user imports the display module (through the display module addresses sign) of displaying contents, display mode, the effect of appointment input information through the human-computer interaction interface of computing machine; These information pass to the serial communication unit of forwarding module through computer by serial (RS232);
2, the serial communication unit in the forwarding module obtains information such as displaying contents, display mode, display module addresses; Pass to the first microprocessor unit to these information then; The first microprocessor unit passes to the wireless transmission unit with information, and the wireless transmission power supply sends the information that obtains according to certain time sequence with form of electromagnetic wave;
3, the radio receiving unit in the control module receives electromagnetic wave, and according to certain time sequence the information that receives is decoded, and obtains information such as displaying contents, display mode, display module addresses, is transmitted to second microprocessor unit to these information then; After second microprocessor unit receives these information, display module addresses information in the relatively reception information and the address information of self.When both were identical, second microprocessor unit was preserved all information that receive, and calls its inner display driving software and handle, and result is through the output of I/O mouth.When both were inequality, second microprocessor unit did not carry out any processing to information, directly abandons;
4, the I/O mouth and the display screen of the output of the microprocessor in the display driver circuit link control module in display module display message are realized the demonstration of displaying contents, the execution of display mode.
Described computing machine possesses the displaying contents input, display mode is revised and the function of selectivity transmission.Human-computer interaction interface provides a close friend's man-machine interactive platform, and on this platform, the user can import displaying contents, modification display mode, specify the display module of input information effect.After human-computer interaction interface obtains these information; Through calling the type matrix extraction module; The type matrix that the information translation that shows needs becomes can on display module, show calls the serial port drive module, afterwards with formed word module information; The display mode control information, display module addresses information sends to the serial communication unit in the forwarding module through the RS232 agreement.
PORT COM (the P30 that described serial communication unit adopts the first microprocessor unit to carry; P31) through level transferring chip (like MAX232) and computing machine communication; It is the minimum system of core that the first microprocessor unit can be selected with the STC89C52RC single-chip microcomputer; Described wireless sending module is realized the wireless telecommunications between forwarding module and the control module, and can adopt with NRF24L01 is the wireless communication apparatus that core makes up.
The circuit diagram of forwarding module is as shown in Figure 2 among the embodiment:
1 pin of NRF24L01 connects power supply ground;
2 pin connect the 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 the radio receiving unit and second microprocessor unit; Wherein also to adopt with NRF24L01 be the wireless communication apparatus that core makes up to radio receiving unit; Realize and the wireless telecommunications of forwarding module that it is the minimum system of core that second microprocessor unit is selected with the STC89C52RC single-chip microcomputer.In real time the circuit diagram of control module is as shown in Figure 3 in the example, and is identical among pin annexation and Fig. 2.
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 shields for the LED dot matrix; Another one is a LCD screen (like LCD1602, LCD12864 etc.).Display module among the embodiment adopts the LED dot matrix screen of two equal sizes, and circuit diagram is 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 two redundancy backups; 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 of using is lower than setting value, switches electric battery.
The present invention is simple in structure, easy to use, can effectively improve the work efficiency that personnel are arranged in the meeting-place, and the meeting-place that is particularly useful for medium-and-large-sized meeting is arranged.
The above; Only being preferred embodiment of the present invention, is not that the present invention is done any pro forma restriction, and 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 (5)
1. wireless electron seat board; 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, and forwarding module is connected with control module through wireless mode, and the I/O mouth of control module is connected with display module; Computing machine needs content displayed, mode and address to pass to forwarding module through the RS232 serial ports of computing machine on wireless electron seat board; Forwarding module sends to control module through the wireless transmission mode with form of electromagnetic wave with the information that obtains; Control module receives the electromagnetic wave that forwarding module is sent; And this electromagnetic wave decoded according to certain time sequence, to obtain the information of displaying contents, display mode and explicit address, then these information are passed to display module and show.
2. wireless electron as claimed in claim 1 seat board; It is characterized in that: described forwarding module comprises serial communication unit, first microprocessor unit, wireless transmission unit; Described control module comprises the radio receiving unit and second microprocessor unit, and described display module comprises display screen and display driver circuit; Human-computer interaction interface through computing machine needs content displayed, mode and address to computing machine input wireless electron seat board; Computing machine passes to these information the serial communication unit of forwarding module through the RS232 serial ports of computing machine; The serial communication unit passes to the wireless transmission unit through the first microprocessor unit with these information; The wireless transmission unit sends to radio receiving unit in control module with the information that obtains with form of electromagnetic wave according to certain time sequence; Radio receiving unit is decoded to the information that receives according to certain time sequence; Obtain the information of displaying contents, display mode and explicit address, be transmitted to second microprocessor unit to these information then, after second microprocessor unit receives these information; Explicit address information that receives and the address information of self are compared; When both were identical, second microprocessor unit was preserved all information that receive, and calls its inner display driving software and handle; Then result is exported to the display driver circuit of display module through the I/O mouth of second microprocessor unit, display driver circuit makes display screen display radio electronics seat board need content displayed and display mode; When explicit address information that receives when second microprocessor unit and the address information of self were inequality, second microprocessor unit did not carry out any processing to the information that receives, and directly abandons.
3. wireless electron as claimed in claim 1 seat board, it is characterized in that: 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 two redundancy backups; 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 of using is lower than setting value, switches electric battery.
4. wireless electron as claimed in claim 2 seat board is characterized in that: described display screen unit adopts double screen to show, described double screen is the LED dot matrix screen of equal size, and perhaps one of them adopts LED dot matrix screen, and another one adopts the LCD screen.
5. wireless electron as claimed in claim 2 seat board is characterized in that: the described first microprocessor unit and second microprocessor unit adopt the STC89C52RC single-chip microcomputer; Described radio receiving unit and wireless transmission unit adopt the NRF24L01 wireless module; Described display driver circuit adopts the special driving chip HT1632C of LED dot matrix.
Priority Applications (1)
| 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 true CN102637387A (en) | 2012-08-15 |
| CN102637387B 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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Cited By (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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| 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 |
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| 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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| CN102637387B (en) | 2014-06-25 |
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