CN201352390Y - Infrared remote controller for sending display code to LED dot matrix display screen - Google Patents
Infrared remote controller for sending display code to LED dot matrix display screen Download PDFInfo
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- CN201352390Y CN201352390Y CNU2009201142019U CN200920114201U CN201352390Y CN 201352390 Y CN201352390 Y CN 201352390Y CN U2009201142019 U CNU2009201142019 U CN U2009201142019U CN 200920114201 U CN200920114201 U CN 200920114201U CN 201352390 Y CN201352390 Y CN 201352390Y
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- microprocessor
- dot matrix
- display screen
- memory device
- volatile memory
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Abstract
The utility model provides an infrared remote controller for sending a display code to an LED dot matrix display screen, which comprises 1) a microprocessor; 2) a serial port which is connected with a serial receiving pin and a sending pin of the microprocessor and used for receiving a dot matrix display code; 3) non-volatile storage equipment which is connected with the microprocessor through a master control synchronous serial port and used for storing the dot matrix display code received by the remote controller; 4) keys (1) which are connected with an input pin of the microprocessor and used for sending an infrared transmitter starting command; 5) an infrared transmitter which is connected with an input pin of the microprocessor and used for transmitting the dot matrix display code; 6) a digital display part (2) which is connected with the microprocessor and used for displaying the serial number of the current transmitted information of the infrared transmitter in the non-volatile storage equipment; and 7) a remote controller power supply. The infrared remote controller has the beneficial effects of faster and more convenient updating of display content of the LED dot matrix display screen and richer display content of the LED dot matrix display screen.
Description
Technical field
The utility model relates to a kind of Infrared remote controller, specifically, relates to a kind of Infrared remote controller that sends code displaying for the LED dot matrix display screen.
Background technology
At present, LED dot matrix display screen range of application is more and more wider, and content displayed is also more and more diversified, as Chinese character, English character, numerical character or figure.Yet the information that the LED dot matrix display screen shows often is not unalterable, need upgrade in good time.The method of current renewal LED dot matrix display screen displaying contents normally is connected with the serial ports of display screen the serial ports of PC earlier by Serial Port Line, use PC to send new displaying contents to display screen then.Very big deficiency of this method is that a lot of LED dot matrix display screens all are fixed on somewhere, if each update content all will disassemble, or draws a very long Serial Port Line to link to each other with PC, will become very complicated, pretty troublesome.
Summary of the invention
Technical problem to be solved in the utility model is: design and develop a kind of Infrared remote controller for LED dot matrix display screen transmission code displaying, can effectively overcome the deficiency that prior art exists.
In order to solve the problems of the technologies described above, the utility model by the following technical solutions:
A kind of Infrared remote controller for LED dot matrix display screen transmission code displaying, its feature comprises at it:
1) microprocessor;
2) serial ports: link to each other with serial received, the transmission pin of microprocessor, be used for being connected, receive the dot matrix code displaying of character or figure with the serial ports of PC or mobile device;
3) non-volatile memory device: link to each other by the master control synchronous serial interface with microprocessor, be used to store the character that telepilot receives by serial ports or the dot matrix code displaying of figure;
4) button (1): link to each other with the input pin of microprocessor, be used for, start infrared transmitter, launch corresponding infra-red code to the microprocessor transmitting control commands;
5) infrared transmitter: link to each other with an output pin of microprocessor, be used to launch the dot matrix code displaying of the character or the figure of storage;
6) digital display unit (2): link to each other with microprocessor, be used for showing the sequence number of the current transmission information of infrared transmitter at non-volatile memory device;
7) power supply of remote controller: be used to telepilot that voltage is provided;
Described microprocessor control receives the sexadecimal dot matrix code displaying of character or figure from serial ports, and with the content stores that receives in non-volatile memory device, and can respond different button operations, from non-volatile memory device, read corresponding code displaying, by infrared transmitter coding is launched, simultaneously the sequence number of current transmission information in non-volatile memory device sent to digital display unit.
Described button (1) comprises three buttons, be respectively the current button that triggers the content encoding of current indication in the emission non-volatile memory device, next bar button that next bar content encoding in the non-volatile memory device is launched in triggering and a last button that triggers a last content encoding in the emission non-volatile memory device, they link to each other with the input pin of microprocessor respectively.
Described digital display unit (2) comprising:
1) binary-coded decimal code translator: link to each other with the output pin of microprocessor, be used for converting the binary-coded decimal of display digit to show seven segment code for display screen;
2) digital display screen: adopt the form of seven segment digital tubes to show one-bit digital, the seven segment digital tubes common cathode of bits per inch word correspondence connects, and each anode links to each other with seven output pins of corresponding binary-coded decimal code translator;
3) display unit power supply: link to each other with the power pins of binary-coded decimal code translator, be used for to binary-coded decimal code translator and digital display screen power supply.
Described binary-coded decimal code translator is two, links to each other with four output pins of microprocessor respectively, adopts 14 sections charactrons, shows two digits.
The utility model compared with prior art has following effect and advantage:
(1) easy to use.Send to telepilot as long as will be used for the dot matrix content displayed by PC or miscellaneous equipment, can use a teleswitch and arbitrarily upgrade the content of LED dot matrix display screen, and need not more fixing display screen be disassembled, and in the time will doing same content update to a plurality of LED dot matrix display screens, the practical value of this telepilot will be more obvious, as hire out the moving advertising display screen of roof, when advertisement expires, need deletion or upgrade advertisement, if this moment with thousands of Ads on Vehicles display screens by directly linking to each other to come lastest imformation with PC, very big trouble will be brought, and use the utility model telepilot, the advertising message that only needs to change sends to one or several telepilots by PC, can be very fast, easily finish the content update of thousands of ad display screens;
(2) transmission content is abundant.This telepilot can send Chinese character, English character, numerical character and encoding of graphs, so long as the sign of designing according to the LED dot matrix display screen can both use this telepilot to send;
(3) good energy-conserving effect.Main power consumption parts of the present utility model are microprocessor, in working control, the utility model is only when communicating with PC or having button to press, just wake microprocessor up, after treating that microprocessor is finished corresponding operating, carry out dormant state once more, make microprocessor all be in dormant state, effectively conserve energy in the most of the time;
(4) cost is low.A kind of core component that sends the Infrared remote controller of code displaying for the LED dot matrix display screen is a microprocessor unit, the function of this part can be by existing commonplace on the market, cheap single-chip microcomputer is (as 51 single-chip microcomputers, PIC series monolithic etc.) realize, infrared transmitter, memory device and the digital display screen that adopts the seven segment numerical form of tubes in addition, its price is all generally lower, and after the equipment for the treatment of was produced in batches, its cost can further reduce.
In sum, the benefit that adopts the utility model to bring mainly shows: can upgrade the displaying contents of LED dot matrix display screen on the one hand faster, more easily, can also provide the more displaying contents of horn of plenty for the LED dot matrix display screen on the other hand.Therefore, compare, the utlity model has stronger practicality with the existing method of upgrading the LED display content.
Description of drawings
Fig. 1 is a composition structured flowchart of the present utility model.
Fig. 2 is the fundamental diagram of the utility model application example.
Embodiment
Referring to Fig. 1, a kind of Infrared remote controller for LED dot matrix display screen transmission code displaying, it comprises:
1) microprocessor: can use common single-chip microcomputer to realize, as 51 series monolithics and PIC series monolithic etc.
2) serial ports: link to each other with serial received, the transmission pin of microprocessor, be used for being connected, receive the dot matrix code displaying of character or figure with the serial ports of PC or mobile device.
3) non-volatile memory device: link to each other by the master control synchronous serial interface with microprocessor, in the present embodiment, non-volatile memory device is EEPROM, is used to store the character that receives by serial ports or the dot matrix code displaying of figure.
4) button 1: link to each other with the input pin of microprocessor, be used for to the microprocessor transmitting control commands, start infrared transmitter, launch corresponding infra-red code.Button comprises three buttons, be respectively the current button that triggers the content encoding of current indication in the emission non-volatile memory device, next bar button that next bar content encoding in the non-volatile memory device is launched in triggering and a last button that triggers a last content encoding in the emission non-volatile memory device, they link to each other with the input pin of microprocessor respectively.In addition, when pressing current button, also the triggered digital display unit shows the sequence number of current transmission content in non-volatile memory device; When pressing next bar button, also the triggered digital display unit shows the sequence number of next bar transmission content in non-volatile memory device; When pressing a last button, same triggered digital display unit shows the sequence number of a transmission content in non-volatile memory device.
5) infrared transmitter: link to each other with an output pin of microprocessor, be used to launch the dot matrix code displaying of the character or the figure of storage.
6) digital display unit 2: link to each other with microprocessor, be used for showing the sequence number of the current transmission information of infrared transmitter at non-volatile memory device.Digital display unit comprises: (1) binary-coded decimal code translator: link to each other with the output pin of microprocessor, be used for converting the binary-coded decimal of display digit to show for display screen seven segment code; (2) digital display screen: adopt the form of seven segment digital tubes to show one-bit digital, the seven segment digital tubes common cathode of bits per inch word correspondence connects, and each anode links to each other with seven output pins of corresponding binary-coded decimal code translator; (3) display unit power supply: link to each other with the power pins of binary-coded decimal code translator, be used for to binary-coded decimal code translator and digital display screen power supply.In this example, the binary-coded decimal code translator is 74LS48, the binary-coded decimal code translator is two, link to each other with four output pins of microprocessor respectively, adopt 14 sections charactrons, show two digits, the seven segment digital tubes of bits per inch word correspondence at first common cathode connects, and respectively each anode is linked to each other with seven output pins of corresponding binary-coded decimal code translator then.
7) power supply of remote controller: be used to telepilot that voltage is provided.
Described microprocessor control receives the sexadecimal dot matrix code displaying of character or figure from serial ports, and with the content stores that receives in non-volatile memory device, and can respond different button operations, from non-volatile memory device, read corresponding code displaying, by infrared transmitter coding is launched, simultaneously the sequence number of current transmission information in non-volatile memory device sent to digital display unit.
A kind of above-mentioned Infrared remote controller control method for LED dot matrix display screen transmission code displaying, it may further comprise the steps:
(A) at first use serial port data line to be connected the serial ports on the serial ports on the telepilot and PC or the miscellaneous equipment, use then PC or miscellaneous equipment to telepilot send character or figure be used for that LED dot matrix screen shows be unit encoding information with sexadecimal number, as the hexadecimal code that 16 * 16 dot matrix show that is used for of Chinese character ' you ' be: (0x01,0x00) corresponding first row, (0x02,0x04) corresponding secondary series, (0x0C, 0x1C), (0x3F, 0xC0), (0xC0,0x1C), (0x09,0x02), (0x16,0x02), (0x60,0x92), (0x20,0x4A), (0x2F, 0x82), (0x20,0x02), (0x24,0x0E), (0x22,0x00), (0x31,0x90), (0x20,0x0C), (0x00,0x00) corresponding the 16 row.
(B) telepilot receives the encoded content that PC or miscellaneous equipment send, and according to the order of sequence received content is stored in the non-volatile memory device with the sexadecimal form;
(C) during the current button on pressing telepilot, microprocessor reads the content encoding of current indication from non-volatile memory device, and this coded message launched by infrared transmitter, simultaneously the sequence number of this coded message in non-volatile memory device sent to digital display unit;
(D) during the bar of next on pressing telepilot button, microprocessor is a benchmark with current indicating positions, from non-volatile memory device, read next bar content encoding, and this coded message launched by infrared transmitter, simultaneously the sequence number of this coded message in non-volatile memory device sent to digital display unit;
(E) during the last button on pressing telepilot, microprocessor is a benchmark with current indicating positions, from non-volatile memory device, read a last content encoding, and this coded message launched by infrared transmitter, simultaneously the sequence number of this coded message in non-volatile memory device sent to digital display unit;
(F) when button-free is pressed, telepilot carries out dormant state automatically, to reach the purpose of conserve energy.
Wherein further comprise:
When enabling infrared transmitter, the hexadecimal code that microprocessor needs to send content is converted to binary coding, binary coding is converted to the infrared coding again.Show a Chinese character ' you ' as LED dot matrix, be used for being encoded to that dot matrix shows: (0x01,0x00) corresponding first row, (0x02 with the storage of sexadecimal form with 16 (OK) * 16 (row), 0x04) corresponding secondary series, (0x0C, 0x1C), (0x3F, 0xC0), (0xC0,0x1C), (0x09,0x02), (0x16,0x02), (0x60,0x92), (0x20,0x4A), (0x2F, 0x82), (0x20,0x02), (0x24,0x0E), (0x22,0x00), (0x31,0x90), (0x20,0x0C), (0x00,0x00) corresponding the 16 row.By the transmission of infrared ray form the time, hexadecimal code is converted to binary coding, (0x01 0x00) is converted to binary mode and is (00000001,00000000) first row of storing as the sexadecimal of ' you '.Infrared receiver generally receives only the infrared signal that frequency is 38KHz, and promptly the cycle is about 26 milliseconds infrared signal.The self-defined infra-red code of the utility model is represented ' 0 ' and ' 1 ' of binary mode, as adopt the high level in 15 cycles, after connect the low level in 30 cycles and represent ' 0 ' of binary mode, the high level in 30 cycles, after connect the low level in 15 cycles and represent ' 1 ' of binary mode, with the method represent binary-coded each, promptly get and be used to the infra-red code launched to the end.
Fig. 2 is the fundamental diagram of the utility model application example.
Microprocessor at first receives character or figure is used for the hexadecimal code that dot matrix shows from PC or miscellaneous equipment, and with the information stores that receives in non-volatile memory device (as EEPROM), then, if key-press event does not take place, microprocessor carries out dormant state.
After microprocessor carries out dormant state, having three kinds of incidents it can be waken up, is respectively that current button is pressed by a upper and lower button and next bar button is pressed.
If taking place, current button presses incident, microprocessor is read the content encoding of current indication from non-volatile memory device, and this coded message launched by infrared transmitter, simultaneously the sequence number of this coded message in non-volatile memory device sent to digital display unit;
If taking place, a button presses incident, microprocessor is read the content encoding of a last information from non-volatile memory device, and this coded message launched by infrared transmitter, simultaneously the sequence number of this coded message in non-volatile memory device sent to digital display unit;
If taking place, next bar button presses incident, microprocessor is read the content encoding of next bar information from non-volatile memory device, and this coded message launched by infrared transmitter, simultaneously the sequence number of this coded message in non-volatile memory device sent to digital display unit;
After the wake events that takes place was handled, microprocessor entered dormant state once more, with the maximization conserve energy.
Claims (4)
1, a kind of Infrared remote controller for LED dot matrix display screen transmission code displaying is characterized in that it comprises:
1) microprocessor;
2) serial ports: link to each other with serial received, the transmission pin of microprocessor, be used for being connected, receive the dot matrix code displaying of character or figure with the serial ports of PC or mobile device;
3) non-volatile memory device: link to each other by the master control synchronous serial interface with microprocessor, be used to store the character that telepilot receives by serial ports or the dot matrix code displaying of figure;
4) button (1): link to each other with the input pin of microprocessor, be used for, start infrared transmitter, launch corresponding infra-red code to the microprocessor transmitting control commands;
5) infrared transmitter: link to each other with an output pin of microprocessor, be used to launch the dot matrix code displaying of the character or the figure of storage;
6) digital display unit (2): link to each other with microprocessor, be used for showing the sequence number of the current transmission information of infrared transmitter at non-volatile memory device;
7) power supply of remote controller: be used to telepilot that voltage is provided;
Described microprocessor control receives the sexadecimal dot matrix code displaying of character or figure from serial ports, and with the content stores that receives in non-volatile memory device, and can respond different button operations, from non-volatile memory device, read corresponding code displaying, by infrared transmitter coding is launched, simultaneously the sequence number of current transmission information in non-volatile memory device sent to digital display unit.
2, a kind of Infrared remote controller that sends code displaying for the LED dot matrix display screen according to claim 1, it is characterized in that: described button (1) comprises three buttons, be respectively the current button that triggers the content encoding of current indication in the emission non-volatile memory device, next bar button that next bar content encoding in the non-volatile memory device is launched in triggering and a last button that triggers a last content encoding in the emission non-volatile memory device, they link to each other with the input pin of microprocessor respectively.
3, a kind of Infrared remote controller for LED dot matrix display screen transmission code displaying according to claim 1 is characterized in that described digital display unit (2) comprising:
1) binary-coded decimal code translator: link to each other with the output pin of microprocessor, be used for converting the binary-coded decimal of display digit to show seven segment code for display screen;
2) digital display screen: adopt the form of seven segment digital tubes to show one-bit digital, the seven segment digital tubes common cathode of bits per inch word correspondence connects, and each anode links to each other with seven output pins of corresponding binary-coded decimal code translator;
3) display unit power supply: link to each other with the power pins of binary-coded decimal code translator, be used for to binary-coded decimal code translator and digital display screen power supply.
4, a kind of Infrared remote controller that sends code displaying for the LED dot matrix display screen according to claim 3, it is characterized in that: described binary-coded decimal code translator is two, link to each other with four output pins of microprocessor respectively, adopt 14 sections charactrons, show two digits.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2009201142019U CN201352390Y (en) | 2009-02-19 | 2009-02-19 | Infrared remote controller for sending display code to LED dot matrix display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2009201142019U CN201352390Y (en) | 2009-02-19 | 2009-02-19 | Infrared remote controller for sending display code to LED dot matrix display screen |
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| CN201352390Y true CN201352390Y (en) | 2009-11-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766069A (en) * | 2018-08-17 | 2018-11-06 | 姜伟 | A kind of foreign language learning device and method based on LED dot matrix screens |
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2009
- 2009-02-19 CN CNU2009201142019U patent/CN201352390Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766069A (en) * | 2018-08-17 | 2018-11-06 | 姜伟 | A kind of foreign language learning device and method based on LED dot matrix screens |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20091125 Effective date of abandoning: 20090219 |