CN102314821A

CN102314821A - Bus wireless data transmission advertisement display device

Info

Publication number: CN102314821A
Application number: CN201010217489XA
Authority: CN
Inventors: 胡林培
Original assignee: SHANGHAI DIBANG METAL DECORATION WARE CO Ltd
Current assignee: SHANGHAI DIBANG METAL DECORATION WARE CO Ltd
Priority date: 2010-07-02
Filing date: 2010-07-02
Publication date: 2012-01-11

Abstract

The invention relates to a wireless data transmission advertisement display device, which structurally comprises a wireless signal receiving device, a time controller, a decoding controller, a storage device and a light-emitting diode (LED) display device, wherein an advertisement data signal which is received from the signal receiving device is transmitted to the decoder controller, after being decoded, the information is stored to the storage device which is connected with the decoding controller, the decoding controller also receives and responds to an interrupt signal generated by the time controller, and the advertisement information which is read from the storage device is transmitted to the LED display device to be displayed. The novel advertisement display device can be widely used for the advertisement propaganda of public carriers and fields such as buses, trains, subways, airports and the like.

Description

Radio data transmitting advertisement display in public traffic vehicles

Technical field

The present invention relates to a kind ofly utilize that radio transmission system diffuses information, the device of advertisement, the display device of common carrier and place propagating advertisement such as relate in particular on public transit vehicle, train, subway, airport.

Technical background

At present knownly utilize that the bus carrier diffuses information, the method for advertisement, two kinds of methods arranged usually, more common a kind of be the advertisement and the information of calling out the stops that this car carries, timed sending on display screen.This method can't be sent advertisement on a large scale, also is unfavorable for the renewal of ad content.Another kind is one Chinese patent application " with the new method of public transit vehicle transmission informative advertising ", application number 96118643.7, publication number 1138253A, applicant and inventor: Cheng Yong.This application is utilized the radio station emissive source, on the public transport carrier, install to receive the receiving traps such as radio, TV of wireless signal, receives the broadcast singal in radio station in real time, and its use also only limits to same city, and can not show the information of calling out the stops.

Summary of the invention

The purpose of this invention is to provide a kind of be suitable for using on mobile or fixed public's carrier such as public transit vehicle can the receiving radio data information transmitted, and show the advertisement display of calling out the stops with advertising message.

Be to realize the foregoing invention purpose, the technical scheme that the present invention adopts is, comprises wireless signal receiving trap and display device, also comprises decode controller, storer, time controller and serial line interface, level converter; The data-signal that receives from signal receiving device is after serial line interface carries out level conversion; Send into decode controller data-signal is decoded, and store information data into link to each other storer, the look-at-me that decode controller also receives and the response time controller produces with decode controller; Read the data in the storer; And, deliver to the LED display device through level conversion and another serial line interface, show and call out the stops and advertising message.

Said LED display device is the display device that is divided into a plurality of viewing areas with different coding; The theme of a regional display ads; Or showing call out the stops content, public information etc., the content of another regional display ads can adopt and have good luck, rolls, turns over screen demonstration or other skills.Decode controller can be realized the control respectively to vehicle with preset vehicle block-coded data decoding.Storer comprises the memory address integrated data, the storer of the storer of the information data of calling out the stops and stores advertisements information.Time controller is programmable clock controller, and every separated predetermined time interval produces look-at-me and gives decode controller.Decode controller is a single-chip microcomputer.

But display device subregion of the present invention shows that content displayed is more, emphasis is more outstanding thereby make, and is beneficial to advertising.Simultaneously, organize into groups, can the public transit vehicle of same city or different cities be assigned as various group and control, realize that the information of separate unit vehicle or each group and whole groups is sent, the control of reception owing to will transmit and receive signal system.In addition, the amount of memory storage of storing the information of calling out the stops is less, and the memory span of stores advertisements information is bigger, reasonably uses device, has reduced cost.

Description of drawings

Fig. 1 is the radio data transmitting advertisement display in public traffic vehicles theory diagram;

Fig. 2 is the block diagram of radio data transmitting advertisement display in public traffic vehicles;

Fig. 3 is the circuit diagram of decode controller;

Fig. 4 is RS.232 interface and level shifting circuit figure;

Fig. 5 is the input control system circuit diagram;

Fig. 6 is RS-422 level conversion and output interface circuit figure;

Fig. 7 is the circuit diagram that stores the A2～A4 of this machine geocoding, the information of calling out the stops;

Fig. 8 is the interface circuit figure of external data display.

Embodiment

Specify embodiments of the invention below.

Referring to Fig. 1; Difference according to the wireless signal transmission source of being adopted; The wireless signal receiving trap can be FLEX or POSAG (paging protocol) receiver; GSM (gsm) receiver, CDMA (CDMA) receiver, DBS (digit broadcasting system) receiver and SCA (frequency modulation broadcasting subchannel) receiver.The information that receives is delivered to decode controller, carry out decoding processing after, send LED display device.

The P13 of decode controller MCtJ is connected in the CE end of U10, and passes through the CE end that the U2 phase inverter is connected in U5, enables through P13 control gating U10 or U5, makes MCU can read and write the data of U10 or U5 respectively.

Referring to Fig. 2; The data-signal that receives when radio receiver inserts decode controller MCU through the RS-232 port, and MCU decodes data-signal, and translates corresponding address number; Inquiry is stored in this machine address code of A2 and checks; As conform to, the information data coded sequence of controlling by time variable is write U10, mass advertising information that receives and commonweal information etc. are stored in U10.U5 is programmable clock controller, whenever produces a look-at-me at a distance from 15 seconds and gives MCU, after MCU receives look-at-me; Read the time of U5, and convert corresponding address date to according to the time of reading, read the advertising message data of depositing in U10; See off through the TXD port; Do level conversion through U9, convert the RS-422 level to, deliver to advertisement display.

When the switch S 3 of calling out the stops is pressed, produce a look-at-me to INT0 by U6A, the MCU response should be interrupted, and according to its increment numerical value, read the information content of calling out the stops that is stored in A2～A4, saw the information of calling out the stops to display device off through TXD port and U9 and showed.When the information of calling out the stops or geocoding need be revised, send into data through the P1 input end and after MCU handles, be stored in A2～A4 chip.

Referring to Fig. 3, U1 is decode controller MCtJ, and its P0 mouth is the data address multiplexing port; Connection U3 does low order address and latchs, and other connects the data line of U10 and U5, as the input and output of data; U4 is that latch the high address, controls the high address line data that latch U10 through P14, and U5 is the real-time timepiece chip of band rechargeable battery; Its clock generating look-at-me is delivered to the INT1 of U1, reads clock data by .MCU.

U10 is FLASH RAM (rapid random access memory); Be used for stores advertisements information data code, the data that receiver receives are stored in U10 after the U1 decoding; Then by the U5 clock chip in chronological order respectively correspondence read, deliver to display device through P2 ad content shown.

Referring to Fig. 4, N1, D1, R2, R3 etc. form the RS-232 interface level conversion, are that Transistor-Transistor Logic level receives data to MCU with the RS-232 level conversion, and P1 is the RS-232 input end, are connected in the RS one 232 plug RXD and the ground of standard.

Referring to Fig. 5, U6A and S1, S2, S3 form input control system, and S3 is increment control, whenever by demonstrations that take a step forward of a reporting station system information, promptly show calling out the stops of the next stop, and S2 is decrement control, is used for the individual platform signal of calling out the stops of slow astern, and S1 is the reset switch of calling out the stops.Behind this signal input MCU, read the preset name of station data of A2～A4 by MCU after, deliver to display device through the P2 interface and show name of station.

Referring to Fig. 6, P2 is a RS-422 level output interface, and the level conversion by U9 constitutes TTL and RS-422 as anti-high reject signal transmission manner, is sent to the LED display device to signal.The DI of U9 is connected in the TXD of MCU, does Enable Pin control by P15.

Referring to Fig. 7, A2～A4 is Serial E 2ROM, because contents such as this machine of storage geocoding, the information of calling out the stops; Its SCL end and SDA end are connected to P17, the P18 of MCU, after MCU handles, write A2～A4 during input information, are set at different address respectively; MCU reads or when writing data; See corresponding address earlier off and be communicated with corresponding chip, carry out read-write operation then, the information of calling out the stops of reading is delivered to display device through the P2 interface and is shown corresponding name of station.

Wherein, A2 stores the geocoding of this machine, and when receiving data information, whether this address of inspection conforms to earlier, as conforms to then information to be arranged and write U10, as is not inconsistent, and does not then handle the information that receives, and reaches the purpose that broadcast type sends the packet signal processing.

Referring to Fig. 8, P3 is the socket of one three end, is connected in T0 and the T1 of U1; Be used to export the data of a serial; Control external data display equipment, data display equipment is the 2 bit digital display and corresponding data latches of serial data input, is used to show the station number of the information of calling out the stops; Can have 0～99 section, the present invention can show nearly 100 names of station altogether.

Claims

1. radio data transmitting advertisement display in public traffic vehicles; Comprise wireless signal receiving trap and display device, it is characterized in that: also comprise decode controller, storer, time controller and serial line interface, level converter, the data-signal that receives from signal receiving device is after serial line interface carries out level conversion; Sending into decode controller decodes to data-signal; And storing information data into link to each other storer with decode controller, the look-at-me that decode controller also receives and the response time controller produces reads the data in the storer; And, deliver to the LED display device through level conversion and another serial line interface.

2. public transit vehicle according to claim 1 is wireless, and advertisement display is transmitted in the number pick, and it is characterized in that: said LED display device is the display device that is divided into a plurality of viewing areas with different coding.

3. radio data transmitting advertisement display in public traffic vehicles according to claim 1 and 2 is characterized in that: said decode controller can be realized the control respectively to vehicle with preset vehicle block-coded data decoding.

4. radio data transmitting advertisement display in public traffic vehicles according to claim 1 and 2 is characterized in that: said storer comprises the memory address integrated data, the storer of the storer of the information data of calling out the stops and stores advertisements information.

5. radio data transmitting advertisement display in public traffic vehicles according to claim 3 is characterized in that: said storer comprises the memory address integrated data, the storer of the storer of the information data of calling out the stops and stores advertisements information.

6. radio data transmitting advertisement display in public traffic vehicles according to claim 1 and 2 is characterized in that: time controller is programmable clock controller, and every separated predetermined time interval produces look-at-me and gives decode controller.

7. radio data transmitting advertisement display in public traffic vehicles according to claim 3 is characterized in that: time controller is programmable clock controller, and every separated predetermined time interval produces look-at-me and gives decode controller.

8. radio data transmitting advertisement display in public traffic vehicles according to claim 1 and 2 is characterized in that: said decode controller is a single-chip microcomputer.