CN2917095Y

CN2917095Y - Traffic sign emitting/receiving device

Info

Publication number: CN2917095Y
Application number: CN 200620028385
Authority: CN
Inventors: 迟长春; 佟庆强
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-03-10
Filing date: 2006-03-10
Publication date: 2007-06-27
Anticipated expiration: 2016-03-10

Abstract

The utility model provides a traffic sign sending and receiving device. The sending device is composed of a memory, a SCM, a sending chipset and an antenna. The memory is utilized to store digital traffic sign messages. The SCM reads memory information. In addition, the sending module modulates the message from SCM into 315 MHz and then sends the message out through the antenna. Besides, the receiving device is composed of a receiving module, a SCM, a display module, a warning module and a clock module. The receiving module selects and encodes messages from the antenna and then sends the encoded message to the SCM. The clock clipset adopts DS 1302. The SCM realizes read and write operation. The SCM analyzes and processes the encoded message and then sends the message to the display module and emit corresponding warning message. The utility model enables drivers to quickly know about traffic sign details in front of vehicles, select correct road and steering way, improve road and vehicle access capacity and protect passengers and drivers.

Description

Traffic mark emission, receiving system

Technical field:

The utility model belongs to the information wireless transmission technique field, is concretely to disclose the emission of a kind of traffic mark, receiving system, traffic sign is accorded with digitlization and is stored in the chip, by radiating circuit digitlization traffic sign symbol information is sent; By long-range receiving circuit by decoding, decoding with its recovery and demonstrate corresponding traffic sign.

Technical background:

The traffic guide sign is provided with the unimpeded and safety that directly affects road, along with the urban motor vehicle increases day by day, the traffic congestion phenomenon is serious day by day, and in the situation that hardware facilities such as road temporarily can't change, the technology of electronic communication oriented identification is subjected to traffic department and pays much attention to.There is following problem in existing traffic guide sign:

1, the expression of traffic guide sign is blocked, and the driver can not in time find, causes road traffic accident.

2, in driving to advance fast, after the driver found the traffic guide sign, even can not make judgement accurately, the driver who causes " fault " was violating the regulations.

3, the driver is unfamiliar with road, can not in time find the traffic guide sign, influences driving speed.

Summary of the invention:

The utility model provides a kind of traffic mark emission, receiving system, has solved the driver in the way of driving, and declares the problem of the logical sign of bosom friend in advance; Solved the problem that the expression of traffic guide sign is blocked, be convenient to the driver and make optimal selection.

Technical solution of the present utility model is as follows: by emission, receive this two large divisions and form native system.

Wherein, radiating portion is made of memory, single-chip microcomputer, transmitting chip, antenna, finishes the collection of traffic guide reference numbers, coding, emission function; The power end of the power end of described memory, the power end of single-chip microcomputer, transmitter module is connected with power supply respectively, links together the ground end of the ground end of memory, the ground end of single-chip microcomputer, transmitter module and power supply; The I/O pin 2 of single-chip microcomputer and the clock end of memory are connected; The I/O pin 3 of single-chip microcomputer and the data terminal of memory are connected; The I/O pin 4 of single-chip microcomputer and the Enable Pin of memory are connected; The I/O pin 5 of single-chip microcomputer and the input of transmitter module are connected; The output of transmitter module is connected with antenna.

Receiving unit of the present utility model is made of receiver module, single-chip microcomputer, display module, alarm module, clock module, finishes information decoding, single-chip microcomputer processing, clock processing, reports to the police and handle, show processing capacity.The power end of receiver module, single-chip microcomputer, display module, alarm module, clock module links to each other with power supply respectively; The ground end of receiver module, single-chip microcomputer, display module, alarm module, clock module links to each other with power supply ground; The I/O pin 14 of single-chip microcomputer and the output of receiver module link to each other; The I/O pin 15 of single-chip microcomputer and the clock end of clock module link to each other; The I/O pin 16 of single-chip microcomputer and the data terminal of clock module link to each other; The I/O pin 17 of single-chip microcomputer and the Enable Pin of clock module link to each other; The I/O pin 18 of single-chip microcomputer and the clock end of display module link to each other; The I/O pin 19 of single-chip microcomputer and the data terminal of display module link to each other; The I/O pin 20 of single-chip microcomputer and the Enable Pin of display module link to each other; The I/O pin 21 of single-chip microcomputer and the clock end of alarm module link to each other; The I/O pin 22 of single-chip microcomputer and the data terminal of alarm module link to each other; The I/O pin 22 of single-chip microcomputer and the Enable Pin of alarm module link to each other; The input of input module links to each other with reception antenna.

Receiver module adopts the J05C integrated chip, the information frequency-selecting that antenna transmits is decoded, and decoded information is delivered to single-chip microcomputer; Clock chip is selected DS1302 for use, and single-chip microcomputer is promptly to its read-write operation; Single-chip microcomputer adopts pic16f74, after the decoded information analyzing and processing, delivers to display module, and sends warning message accordingly.

Good effect of the present utility model is: make the driver can understand the traffic guide content of road the place ahead traffic guide sign fast when driving; understand the traffic conditions of road and road network; to choose correct road and correct drive manner; with the road traffic accident of avoiding " breaking rules and regulations " and causing owing to driver's fault; improve the road and the vehicle safety traffic capacity; protection driver and conductor safety has huge social effect and economic benefit.

Description of drawings

Fig. 1 is the utility model radiating portion circuit theory diagrams.

Fig. 2 is the utility model receiving unit circuit theory diagrams.

Embodiment

According to shown in Figure 1, radiating portion is made of memory u1, single-chip microcomputer u2, transmitting chip u3, antenna, and memory adopts 24c512 to be used for storing traffic guide reference numbers information; Single-chip microcomputer adopts pic16f74, reads memorizer information; Transmitter module adopts the F05b integrated chip, and the information that single-chip microcomputer is sent here is modulated at 315mhz, and exports from antenna.Concrete connection procedure is as follows :+5v power supply is connecting 8 pin of memory u1,40 pin of u2,2 pin of u3; Ground is connecting 4 pin of memory u1,12 pin of u2,4 pin of u3; 5 pin of memory u1 and 2 pin of u2 link to each other; 6 pin of memory u1 and 3 pin of u2 link to each other; 7 pin of memory u1 and 4 pin of u2 link to each other; 5 pin of single-chip microcomputer u2 and 1 pin of u3 link to each other; 3 pin of u3 link to each other with antenna.

According to shown in Figure 2, receiving unit is made of receiver module u4, single-chip microcomputer u5, display module u7, alarm module u8, clock module u6, finishes information decoding, single-chip microcomputer processing, clock processing, reports to the police and handle, show processing capacity.Receiver module adopts the J05C integrated chip, the information frequency-selecting that antenna transmits is decoded, and decoded information is delivered to single-chip microcomputer; Clock chip is selected DS1302 for use, and monolithic is promptly to its read-write operation; Single-chip microcomputer adopts pic16f74, after the decoded information analyzing and processing, delivers to display module, and sends warning message accordingly.Concrete connection procedure is as follows :+5v power supply is connecting 2 pin of receiver module u4,40 pin of single-chip microcomputer u5,8 pin of clock module u6,8 pin of display module u7,8 pin of alarm module u8; Ground is connecting 4 pin of u4,12 pin of u5,4 pin of u6,4 pin of u7,4 pin of u8; 14 pin of u5 and 3 pin of u4 link to each other; 21 pin of u5 and 5 pin of u48 link to each other; 22 pin of u5 and 6 pin of u8 link to each other; 23 pin of u5 and 7 pin of u8 link to each other; 15 pin of u5 and 5 pin of u6 link to each other; 16 pin of u5 and 6 pin of u6 link to each other; 17 pin of u5 and 7 pin of u6 link to each other; 18 pin of u5 and 5 pin of u7 link to each other; 19 pin of u5 and 6 pin of u7 link to each other; 20 pin of u5 and 7 pin of u7 link to each other.

Above-mentioned F05b module employing sound table resonator frequency stabilization, the SMT resin-encapsulated, frequency invariance is better, exempts from debugging, is particularly suitable for sending out one and receives wireless remote control and data transmission system.F05 has the operating voltage range and the low-power consumption characteristic of broad, when emission voltage is 3V, and the about 2mA of emission current, transmitting power is less, and 5V is an optimum operating voltage, has launching effect preferably, the about 5-8mA of emission current.Adopt the AM mode to modulate to reduce power consumption, data-signal stops, and emission current reduces to zero.Different transmitting-receiving environment have different reception and transmission ranges.The reliable distance farther as need can increase the one-level radio-frequency power amplifier at the output of F05.

The J05C module adopts superheterodyne circuit structure I C chip, temperature-compensation circuit has high reception sensitivity and stability, and chip includes the low noise radio frequency amplifier, frequency mixer, local oscillator, intermediate frequency amplifier, filter and limiter comparator, be output as the data level signal, can be directly to standard decoder or CPU decoding, suitable reflector with the ASK mode is supporting, is used for the transmission of various remote annunciators and single-chip microcomputer short-range data.The J05C receive frequency is divided into 315M, and have frequency range and a temperature compensation characteristic preferably, can be supporting and do not need to adjust receive frequency with the transmitter of the sound table resonator frequency stabilization of general precision and LC transmitter, the operating temperature range of broad can adapt to various operational environments.And have the operating voltage range and the low-power consumption characteristic of broad, and only consume about 2mA electric current during 2v, about 2.5mA during 3v, the 3-5dBm but the following power supply of 5v sensitivity will descend, the 5v power supply can be in optimum reception sensitivity.The J05C chip has sleep mode, resting state, the about 25uA of power consumption this moment.Module has connect and has been low level, is in normal accepting state, if need sleep mode to change voluntarily.J05C is output as a slice random noise not receiving when transmitting, amplitude is the VDD-0.3V value, receive that signal noise is suppressed, after signal weaker, the noise jamming point appears, this moment, signal was in the range of instability, can add mess code inhibition zero level state Gan Rao And and should be operated in reliable zone to reduce the error rate before data bit.

Claims

1, a kind of traffic mark emission, receiving system are made of radiating portion and receiving unit, it is characterized in that:

Radiating portion comprises memory, single-chip microcomputer, transmitting chip, antenna, wherein, the power end of the power end of memory, the power end of single-chip microcomputer, transmitter module is connected with power supply respectively, links together the ground end of the ground end of memory, the ground end of single-chip microcomputer, transmitter module and power supply; An I/O pin (2) of single-chip microcomputer and the clock end of memory are connected; An I/O pin (3) of single-chip microcomputer and the data terminal of memory are connected; An I/O pin (4) of single-chip microcomputer and the Enable Pin of memory are connected; An I/O pin (5) of single-chip microcomputer and the input of transmitter module are connected; The output of transmitter module is connected with antenna;

Receiving unit comprises receiver module, single-chip microcomputer, display module, alarm module, clock module, and wherein, the power end of receiver module, single-chip microcomputer, display module, alarm module, clock module links to each other with power supply respectively; The ground end of receiver module, single-chip microcomputer, display module, alarm module, clock module links to each other with power supply ground; The I/O pin (14) of single-chip microcomputer and the output of receiver module link to each other; The I/O pin (15) of single-chip microcomputer and the clock end of clock module link to each other; The I/O pin (16) of single-chip microcomputer and the data terminal of clock module link to each other; The I/O pin (17) of single-chip microcomputer and the Enable Pin of clock module link to each other; The I/O pin (18) of single-chip microcomputer and the clock end of display module link to each other; The I/O pin (19) of single-chip microcomputer and the data terminal of display module link to each other; The I/O pin (20) of single-chip microcomputer and the Enable Pin of display module link to each other; The I/O pin (21) of single-chip microcomputer and the clock end of alarm module link to each other; The I/O pin (22) of single-chip microcomputer and the data terminal of alarm module link to each other; The I/O pin (22) of single-chip microcomputer and the Enable Pin of alarm module link to each other; The input of input module links to each other with reception antenna.