CN103646564A

CN103646564A - Bus automatic station reporting apparatus based on single-chip microcomputer

Info

Publication number: CN103646564A
Application number: CN201310569203.8A
Authority: CN
Inventors: 李亮
Original assignee: Chengdu Jetcom Technology Co Ltd
Current assignee: Chengdu Jetcom Technology Co Ltd
Priority date: 2013-11-13
Filing date: 2013-11-13
Publication date: 2014-03-19

Abstract

The invention discloses a bus automatic station reporting apparatus based on a single-chip microcomputer. The apparatus comprises a single-chip microcomputer control circuit, a single-chip microcomputer periodical signal generation circuit, an emission circuit, a receiving circuit, a keyboard control circuit, a display circuit, a voice circuit, a clock circuit and a temperature acquisition circuit, wherein a periodical signal generated by the single-chip microcomputer periodical signal generation circuit is emitted to the receiving circuit through the emission circuit; the receiving circuit transmits the periodical signals to the single-chip microcomputer control circuit and performs displaying and voice playing through the display circuit and the voice circuit; the single-chip microcomputer control circuit receives a real-time clock signal of the clock circuit and real-time temperature acquired by the temperature acquisition circuit for time and temperature displaying in the display circuit; and the keyboard control circuit controls the single-chip microcomputer control circuit. The apparatus provided by the invention has the functions of performing at a bus station board displaying and voice playing of the name and position of a station which a bus arrives at, the station number distanced from a local station, and the time needed for arriving at the local station, and time and local temperature displaying and the like.

Description

SCM Based automatic bus stop announcing device

Technical field

The present invention relates to traffic control system technical field, especially a kind of SCM Based automatic bus stop announcing device.

Background technology

In recent years, along with the increase gradually of urban population, bus has become one of irreplaceable vehicles in people's life, and therefore, its operation conditions directly affects people's life.Traditional bus stop board only only has a station board table, and can not to through our station Ge road bus, carry out speech play and show bus to the Name & Location of website, apart from the website number of this website and arrive the required time of this website, can make so worried passengers cannot know the details of waited for bus.

Summary of the invention

The object of the invention is to: for the problem of above-mentioned existence, provide a kind of can show at bus stop board place and speech play bus to the Name & Location of website, apart from the website number of this website, arrive the SCM Based automatic bus stop announcing device of required time of this website and displaying time and local temperature.

The technical solution used in the present invention is as follows:

The invention provides a kind of SCM Based automatic bus stop announcing device, comprise that single chip machine controlling circuit, single-chip microcomputer periodic signal produce circuit, radiating circuit, receiving circuit, keyboard control circuit, display circuit, sound circuit, clock circuit, temperature collection circuit; The periodic signal that described single-chip microcomputer periodic signal produces circuit generation is transmitted to described receiving circuit by described radiating circuit, described receiving circuit sends periodic signal to single chip machine controlling circuit and shows and speech play by display circuit and sound circuit, the real time temperature that the real-time clock signal of described single chip machine controlling circuit receive clock circuit and temperature collection circuit collect is also carrying out time and temperature demonstration in display circuit, and described keyboard control circuit is controlled single chip machine controlling circuit.

Such scheme is done further preferably, and described single chip machine controlling circuit adopts AT89C51 single-chip microcomputer; Described single-chip microcomputer periodic signal produces circuit and adopts AT89C2051 single-chip microcomputer; Described radiating circuit adopts PT2262 expelling plate; Described receiving circuit adopts PT2272 dash receiver; Described display circuit adopts TH12864 liquid crystal display; Described sound circuit adopts TSD1420 speech chip; Described clock circuit adopts DS1302 clock chip; Described temperature collection circuit adopts DS18B20 digital temperature sensor.

Such scheme is done further preferably, described periodic signal comprise bus to the Name & Location of website, apart from the website number of this website and arrive the required time of this website.

Such scheme is done further preferably, and described radiating circuit comprises AT89C2051 single-chip microcomputer, PT2262 expelling plate, 74LS04, crystal oscillating circuit, reset circuit; 1 port of described AT89C2051 single-chip microcomputer connects reset circuit, 4 ports of described AT89C2051 single-chip microcomputer are connected with crystal oscillating circuit with 5 ports, 10 port ground connection of described AT89C2051 single-chip microcomputer, 16 of described AT89C2051 single-chip microcomputer ~ 19 4 port connects respectively wherein four input ends of described 74LS04,20 ports of described AT89C2051 single-chip microcomputer meet VCC, and other ports of described AT89C2051 single-chip microcomputer are unsettled; Four output terminals corresponding with above-mentioned four input ends of described 74LS04 connect 1 ~ 4 port of described PT2262 expelling plate; 5 ports of described PT2262 expelling plate meet VCC, 6 port ground connection of described PT2262 expelling plate.

In sum, owing to having adopted technique scheme, the invention has the beneficial effects as follows:

1. the present invention installs radiating circuit module in vehicle-mounted part, at station board, reception control circuit module is partly installed, radiating circuit module by about bus to the Name & Location of website, apart from the website number of this website and arrive the periodic signal of required time of this website and send to reception control circuit module and carry out liquid crystal display and speech play, the passengers that make at waiting for bus are known detailed bus arrival information.

2. owing to using, a series of prices such as PT2262/2272, TSD1420 speech chip, DS1302 clock chip, DS18B20 digital temperature sensor are low, low in energy consumption, precision performance is high, the components and parts of strong interference immunity, make whole device can obtain an extraordinary performance, and cost is low.

Accompanying drawing explanation

Examples of the present invention will be described by way of reference to the accompanying drawings, wherein:

Fig. 1 is the system chart of SCM Based automatic bus stop announcing device;

Fig. 2 is the radiating circuit figure of SCM Based automatic bus stop announcing device.

Embodiment

Disclosed all features in this instructions, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.

Below in conjunction with Fig. 1, Fig. 2, the present invention is elaborated.

Be illustrated in figure 1 the system chart of SCM Based automatic bus stop announcing device.Comprise that single chip machine controlling circuit, single-chip microcomputer periodic signal produce circuit, radiating circuit, receiving circuit, keyboard control circuit, display circuit, sound circuit, clock circuit, temperature collection circuit; The periodic signal that described single-chip microcomputer periodic signal produces circuit generation is transmitted to described receiving circuit by described radiating circuit, described receiving circuit sends periodic signal to single chip machine controlling circuit and shows and speech play by display circuit and sound circuit, the real time temperature that the real-time clock signal of described single chip machine controlling circuit receive clock circuit and temperature collection circuit collect is also carrying out time and temperature demonstration in display circuit, and described keyboard control circuit is controlled single chip machine controlling circuit.

As a kind of embodiment of such scheme, described single chip machine controlling circuit adopts AT89C51 single-chip microcomputer; Described single-chip microcomputer periodic signal produces circuit and adopts AT89C2051 single-chip microcomputer; Described radiating circuit adopts PT2262 expelling plate; Described receiving circuit adopts PT2272 dash receiver; Described display circuit adopts TH12864 liquid crystal display; Described sound circuit adopts TSD1420 speech chip; Described clock circuit adopts DS1302 clock chip; Described temperature collection circuit adopts DS18B20 digital temperature sensor.

Described periodic signal comprise bus to the Name & Location of website, apart from the website number of this website and arrive the required time of this website.

Be illustrated in figure 2 the radiating circuit figure of SCM Based automatic bus stop announcing device, described radiating circuit comprises AT89C2051 single-chip microcomputer, PT2262 expelling plate, 74LS04, crystal oscillating circuit, reset circuit, 1 port of described AT89C2051 single-chip microcomputer connects reset circuit, 4 port definitions of described AT89C2051 single-chip microcomputer are that XTAL2 and 5 port definitions are XTAL1, be defined as equally XTAL2 respectively with crystal oscillating circuit, the port of XTAL1 connects, 10 port ground connection of described AT89C2051 single-chip microcomputer, 16 of described AT89C2051 single-chip microcomputer ~ 19 4 port is defined as respectively P1.4 ~ P1.7, be connected with wherein four input ends that are defined as equally P1.4 ~ P1.7 of described 74LS04, 20 ports of described AT89C2051 single-chip microcomputer meet VCC, other ports of described AT89C2051 single-chip microcomputer are unsettled, corresponding four of the input end that is defined as P1.4 ~ P1.7 with above-mentioned four of described 74LS04 are defined as 1 ~ 4 port that 10 ~ 13 output terminal connects described PT2262 expelling plate, and 1 ~ 4 port of wherein said PT2262 expelling plate is defined as 10 ~ 13 equally, 5 ports of described PT2262 expelling plate meet VCC, 6 port ground connection of described PT2262 expelling plate.

Wherein, described reset circuit comprises the first electric capacity (C1) and the first resistance (R1), described the first electric capacity (C1) is electrochemical capacitor, its anodal VCC that connects, negative pole is by the first resistance (R1) ground connection, between described the first electric capacity (C1) and the first resistance (R1), is connected described AT89C2051 single-chip microcomputer.

Described crystal oscillating circuit comprises the second electric capacity (C2), the 3rd electric capacity (C3) and crystal oscillator (Y1), described the second electric capacity (C2), the 3rd electric capacity (C3) and crystal oscillator (Y1) form a series circuit, ground connection between described the second electric capacity (C2) and the 3rd electric capacity (C3), two ports for being connected with described AT89C2051 single-chip microcomputer between described the second electric capacity (C2) and crystal oscillator (Y1) and between the 3rd electric capacity (C3) and crystal oscillator (Y1).

The present invention is not limited to aforesaid embodiment.The present invention can expand to any new feature or any new combination disclosing in this manual, and the arbitrary new method disclosing or step or any new combination of process.

Claims

1. a SCM Based automatic bus stop announcing device, is characterized in that: comprise that single chip machine controlling circuit, single-chip microcomputer periodic signal produce circuit, radiating circuit, receiving circuit, keyboard control circuit, display circuit, sound circuit, clock circuit, temperature collection circuit;

The periodic signal that described single-chip microcomputer periodic signal produces circuit generation is transmitted to described receiving circuit by described radiating circuit, described receiving circuit sends periodic signal to single chip machine controlling circuit and shows and speech play by display circuit and sound circuit, the real time temperature that the real-time clock signal of described single chip machine controlling circuit receive clock circuit and temperature collection circuit collect is also carrying out time and temperature demonstration in display circuit, and described keyboard control circuit is controlled single chip machine controlling circuit.

2. a kind of SCM Based automatic bus stop announcing device according to claim 1, is characterized in that: described single chip machine controlling circuit adopts AT89C51 single-chip microcomputer; Described single-chip microcomputer periodic signal produces circuit and adopts AT89C2051 single-chip microcomputer; Described radiating circuit adopts PT2262 expelling plate; Described receiving circuit adopts PT2272 dash receiver; Described display circuit adopts TH12864 liquid crystal display; Described sound circuit adopts TSD1420 speech chip; Described clock circuit adopts DS1302 clock chip; Described temperature collection circuit adopts DS18B20 digital temperature sensor.

3. a kind of SCM Based automatic bus stop announcing device according to claim 1, is characterized in that: described periodic signal comprise bus to the Name & Location of website, apart from the website number of this website and arrive the required time of this website.

4. a kind of SCM Based automatic bus stop announcing device according to claim 1 and 2, is characterized in that: described radiating circuit comprises AT89C2051 single-chip microcomputer, PT2262 expelling plate, 74LS04, crystal oscillating circuit, reset circuit;

1 port of described AT89C2051 single-chip microcomputer connects reset circuit, 4 ports of described AT89C2051 single-chip microcomputer are connected with crystal oscillating circuit with 5 ports, 10 port ground connection of described AT89C2051 single-chip microcomputer, 16 of described AT89C2051 single-chip microcomputer ~ 19 4 port connects respectively wherein four input ends of described 74LS04,20 ports of described AT89C2051 single-chip microcomputer meet VCC, and other ports of described AT89C2051 single-chip microcomputer are unsettled;

Four output terminals corresponding with above-mentioned four input ends of described 74LS04 connect 1 ~ 4 port of described PT2262 expelling plate;

5 ports of described PT2262 expelling plate meet VCC, 6 port ground connection of described PT2262 expelling plate.