CN201522820U - Aerial image-text swinging display with man-machine interaction function - Google Patents

Abstract

The utility model discloses an aerial image-text swinging display with man-machine interaction function, which comprises a micro-controller MCU, an LED lamp, a position sensor, a power source and a switch, wherein the power source is connected with the micro-controller MCU via the switch, the position sensor transmits detected position information to the micro-controller MCU, and the micro-controller MCU reads image-text information of an internal memory thereof and drives the LED lamp. The aerial image-text swinging display further comprises a communication serial module and a USB serial interface, one end of the USB serial interface is connected with the micro-controller MCU via the communication serial module, and the other end of the USB serial interface is connected with a PC computer. Based on a prior swinging display, the aerial image-text swinging display has the communication function, enables a user to change image-text contents according to needs, and then greatly improves practical value of the swinging display.

Description

Aerial picture and text with human-computer interaction function wave display

Technical field

The utility model relates to a kind of aerial picture and text with human-computer interaction function and waves display, belongs to electronic applications.

Background technology

Light emitting diode is widely used in every field as a kind of novel display device of 21st century, waves display etc. as LED lamp display, picture and text.At present, in picture and text waved field of display, existing technology all was the persistence of vision principle according to human eye, and with a row LED lamp swing, Single-chip Controlling LED flickers, and forms image.Just structurally different, have plenty of the row LED lamp on the fan page or leaf, form the image of a disc by rotation; Have plenty of the LED lamp row on one camber line, form the image of sphere by rotation; Have plenty of the row LED lamp row on fan, form image by agitating fan; Have plenty of the row LED lamp row on flagpole, form image by brandishing flagpole.As the disclosed a kind of toy with dynamic LED display of Chinese patent CN00131212.X, comprising: shell, power supply, microcontroller MCU, memory MEM, driving element (3), LED LED bars (4) and button (7); The facsimile signal that is stored in the memory MEM provides from facsimile signal output port (8) via microcontroller MCU, produce corresponding pulse current driving LED LED bars (4) through driver (3) and make its follow procedure flicker (but when mobile just follow procedure show picture and text) aloft, it is characterized in that: a sounding component (5) is arranged in this toy, Audio output port (9) is arranged on microcontroller MCU; Between sounding component (5) and Audio output port (9), an audio frequency amplifier element (6) is arranged; Microcontroller MCU is from facsimile signal output port (8) when providing facsimile signal, also provide the sound signal that is stored in the memory MEM from Audio output port (9), this sound signal is amplified the sounding component (5) that rear drive is attached thereto through audio frequency amplifier element (6), makes sounding component (5) generation and moves the shown corresponding sound of picture and text aloft by LED bars (4).This dynamic LED lamp shows that toy is satisfying existing waving on the basis of display effect, increased audible device, make toy become more interesting, just there is certain shortcoming: the writings and image of demonstration is the chip the inside that is fixed on single-chip microcomputer, each displaying contents of revising all needs the picture and text cutting, be converted to number, in program, be compiled into machine code then, programming is in the storer of single-chip microcomputer, the complicated technology process can only be finished by special technician like this, inconvenience domestic consumer operates, and is difficult to satisfy the needs of people's different display effects under different occasions.Chinese patent 2006200001140.6 discloses a kind of rotating display device, the characteristics that it increases on present technical foundation are: be symmetrical arranged two integrated joints of infrared ray on the main circuit board both sides, mid-stent is provided with infrared LED, described infrared LED is under the driving of the communication drivers program of PC, penetrate descending communication signal to the integrated reception hair of described two infrared rays, thereby information is delivered to the MCU of rotating display device main circuit board from PC; Be provided with infrared LED near the main circuit board center, the motor cabinet upper surface is equipped with infrared receiving terminal, near the main circuit board center infrared LEDZ is to the infrared receiving terminal emission signal of communication that is installed in the motor cabinet upper surface, the signal that receives head is transferred to PC by communication plug, realizes the uplink communication of rotating display device to PC.Though this display has been realized the certain communication function by infrared receiver, its shortcoming is: increased the LED emitter, the cost of display is increased, simultaneously, its communication interface is a serial ports, and inconvenient operation is not extensive use of for the user.

The utility model content

The purpose of this utility model is in order to overcome defective and the deficiency that existing picture and text wave display, to provide a kind of aerial picture and text with human-computer interaction function to wave display.

The purpose of this utility model can reach by the following technical programs: a kind of aerial picture and text with human-computer interaction function wave display, comprise microcontroller MCU, the LED lamp, position transducer, power supply and switch, power supply links to each other with microcontroller MCU by switch, position transducer is delivered to microcontroller MCU with detected positional information, microcontroller MCU reads the graph text information and the driving LED lamp of its internal storage, also comprise communication concatenation module and USB serial connection mouth, one end of described USB serial connection mouth links to each other with microcontroller MCU by the communication concatenation module, and its other end links to each other with PC.

On the basis of the above, described LED lamp adopts single row configuration, and every row is made of 16 or 32 light emitting diodes, and the anode of light emitting diode is received the VCC end of microcontroller MCU altogether by resistance, and its negative electrode is received respectively on the I/O interface of microcontroller MCU.

Sensor described in the utility model is a vibroswitch.

Compared with prior art, the utlity model has following advantage: the utility model has increased communication function on existing basis of waving display, the user can change graph-text content as required, has greatly strengthened the practical value of waving display.Simultaneously, the inertia detection technique of position transducer employing vibroswitch of the present utility model is located and is controlled, and makes the picture and text that show have stable artistic effect.

Description of drawings

Fig. 1 is a structure connection diagram of waving display of the present utility model.

Fig. 2 is the microcontroller system circuit figure of Fig. 1.

Fig. 3 is the LED lamp drive circuit figure of Fig. 1.

Fig. 4 is the communication interface figure of the USB of Fig. 1 to the serial ports conversion.

Fig. 5 is that the USB of Fig. 4 changes the serial ports key diagram.

Fig. 6 is a PC end communication process flow diagram of the present utility model.

Fig. 7 is sub-unit terminal communication flow figure of the present utility model.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.

As shown in Figure 1, aerial picture and text with human-computer interaction function of the present utility model wave display, comprise microcontroller MCU1, LED lamp 2, position transducer 3, power supply 4 and switch 5, power supply 4 links to each other with microcontroller MCU1 by switch 5, position transducer 3 is delivered to microcontroller MCU1 with detected positional information, microcontroller MCU1 reads the graph text information and the driving LED lamp 2 of its internal storage, also comprise communication concatenation module 6 and USB serial connection mouth 7, one end of described USB serial connection mouth 7 links to each other with microcontroller MCU1 by communication concatenation module 6, and its other end links to each other with PC 8.

As shown in Figure 2, microcontroller MCU of the present utility model adopts the reinforcement single-chip microcomputer of 51 karyonides row, which is provided with the expansion of RAM, ROM and I/O mouth, and power supply adopts the button cell series-fed, for single-chip microcomputer provides 4.5V～6V power supply; The external crystal oscillator of single-chip microcomputer, its frequency is 11.0592MHz, and baud rate is set when making things convenient for serial communication; Single-chip microcomputer is provided with P0, P1, P2, P3 32 I/O mouths altogether, and each I/O mouth is controlled the light on and off of a LED lamp respectively; Position transducer adopts vibroswitch, model is SW-200, receive external interrupt 0 pin of single-chip microcomputer, by when people wave display, when vibroswitch is put high order end each time, can connect once, a low level pulse occurs on electric, cause one time external interrupt, we just can discern the position of display in interrupt routine, it as first row that show the picture and text position, is realized that so stable picture and text show.

As shown in Figure 3; LED lamp of the present utility model adopts single row configuration; every row is made of 16 or 32 light emitting diodes; the anode of light emitting diode is the VCC end that 100 ohm protective resistance is received microcontroller MCU altogether by a resistance; its negative electrode is received respectively on the I/O interface of microcontroller MCU, and when Single-chip Controlling I/O mouth output high level, the LED lamp goes out; when Single-chip Controlling I/O mouth output low level, the LED lamp is bright.

To shown in Figure 5, communication concatenation module of the present utility model adopts the chip of PL2303 to realize that USB changes serial port function as Fig. 4.USB interface is the most general user interface of PC in the market, and serial communication is the most simply to communicate by letter, and interface adopts the form of USB, adopts the method for serial ports in communication.The crystal oscillator of the external 12MHz of chip PL2303 also makes its work, and power supply is that 4.5V is to 6V.

To shown in Figure 7, when PC linked to each other with sub-unit terminal, the bitcom in the PC brought into operation as Fig. 6, and retrieval connects the handset of PC.When handset responded, PC received the data and the decoding of handset, and prompt facility connects, and the user can send request of data to handset by PC; When handset does not respond, the port numbers that PC connects will increase progressively, and before port numbers does not arrive the upper limit, PC will be retrieved handset again, if port numbers arrives the upper limit, PC is then pointed out the retrieval failure.When the user by PC when handset sends request of data, if handset is replied, then carrying out data sends, handset receives data and is stored in the storer, the PC video data sends success and gets back to the user and sends the request of data interface, if handset is not replied, PC is then got back to the user and is sent the request of data interface, requires to resend data.Data transfer work between PC and sub-unit terminal are finished by such communication program.

The course of work of the present utility model is as follows: the principle of skywriting display is as follows: literal is considered as in black and white figure, be some slices with the pictograph cutting then, different black and white zones will appear in each slice, (black is 1 again this black and white zone to be converted to binary numeral, white is 0), and send in the storer of single-chip microcomputer.During demonstration, hand-held display is rocked back and forth, in light emitting diode row's surface sweeping process, when light emitting diode row moves to a certain slice position that is equivalent to former literal figure, single-chip microcomputer accesses slice number corresponding with it in the storer, igniting and extinguish by every light emitting diode of driving circuit control again, be the accurate sequential of processor by prior programming defined, linear array LED is lighted respectively in the somewhere of its movement locus or extinguish, persist at human eye vision under the effect of phenomenon, the original text figure of single-chip microcomputer stored is reproduced.When the user need change content shown in the display, link to each other with PC with USB serial connection mouth by the communication concatenation module, under the communication flow software effect that designs, realize the man-machine communication function.

Claims (3)

1. the aerial picture and text with human-computer interaction function wave display, comprise microcontroller MCU (1), LED lamp (2), position transducer (3), power supply (4) and switch (5), power supply (4) links to each other with microcontroller MCU (1) by switch (5), position transducer (3) is delivered to microcontroller MCU (1) with detected positional information, microcontroller MCU (1) reads the graph text information and the driving LED lamp (2) of its internal storage, it is characterized in that also comprising communication concatenation module (6) and USB serial connection mouthful (7), one end of described USB serial connection mouthful (7) links to each other with microcontroller MCU (1) by communication concatenation module (6), and its other end links to each other with PC (8).

2. the aerial picture and text with human-computer interaction function according to claim 1 wave display, it is characterized in that described LED lamp (2) adopts single row configuration, every row is made of 16 or 32 light emitting diodes, the VCC that the anode of light emitting diode is received microcontroller MCU (1) altogether by resistance holds, and its negative electrode is received respectively on the I/O interface of microcontroller MCU (1).

3. the aerial picture and text with human-computer interaction function according to claim 1 and 2 wave display, it is characterized in that described position transducer (3) is a vibroswitch.

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