CN203659219U

CN203659219U - Singlechip based automatic bus stop broadcasting device

Info

Publication number: CN203659219U
Application number: CN201320721286.3U
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: 2014-06-18
Anticipated expiration: 2023-11-13

Abstract

The utility model discloses a singlechip based automatic bus stop broadcasting device, which comprises a singlechip control circuit, a singlechip periodic signal generating circuit, a transmitting circuit, a receiving circuit, a keyboard control circuit, a display circuit, a voice circuit, a clock circuit and a temperature acquisition circuit, wherein periodic signals generated by the singlechip periodic signal generating circuit are transmitted to the receiving circuit through the transmitting circuit, the receiving circuit transmits the periodic signals to the singlechip control circuit, the periodic signals are displayed and voiced broadcasted through the display circuit and the voice circuit respectively, the singlechip control circuit receives real-time clock signals of the clock circuit and real-time temperature acquired by the temperature acquisition circuit, and time and temperature display is carried out in the display circuit, and the keyboard control circuit controls the singlechip control circuit. The singlechip based automatic bus stop broadcasting device has functions of displaying and voice broadcasting the name and the position of a bus stop where a bus arrives, the number of bus stops away from the local stop, the time required by the bus to arrive at the local stop, the time, the local temperature and the like on a bus stop board.

Description

SCM Based automatic bus stop announcing device

Technical field

The utility model 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 carry out speech play through our station Ge road bus 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.

Utility model content

Goal of the invention of the present utility model is: 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 adopted in the utility model is as follows:

The utility model provides a kind of SCM Based automatic bus stop announcing device, comprises 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 beneficial effects of the utility model are:

1. the utility model is installed radiating circuit module in vehicle-mounted part, in station board part, reception control circuit module is 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

The utility model will illustrate by example and with reference to the mode of accompanying drawing, 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 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 utility model 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, respectively with the same XTAL2 that is defined as in 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, connect with wherein four same input ends that are defined as 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, by the first resistance (R1) ground connection, is connected described AT89C2051 single-chip microcomputer between described the first electric capacity (C1) and the first resistance (R1).

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) is two ports that are 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 utility model is not limited to aforesaid embodiment.The utility model 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. the SCM Based automatic bus stop announcing device of one 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. the SCM Based automatic bus stop announcing device of one 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. the SCM Based automatic bus stop announcing device of one 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.