CN2901462Y

CN2901462Y - Radio traffic signal controller

Info

Publication number: CN2901462Y
Application number: CN 200620032017
Authority: CN
Inventors: 张卫民
Original assignee: SHENGMAO PHOTOELECTRIC TECHNOLOGIES Co Ltd
Current assignee: SHENGMAO PHOTOELECTRIC TECHNOLOGIES Co Ltd
Priority date: 2006-05-18
Filing date: 2006-05-18
Publication date: 2007-05-16
Anticipated expiration: 2016-05-18

Abstract

The utility model discloses a wireless traffic signal controller, comprising a CPU board, a display panel, a light sensor, a wireless transmitting module, an aerial and a cabinet. The CPU board comprises a low power-consuming single chip, a timer circuit, serial line interfaces, display-and-button interfaces and a light sensor interface. The display panel comprises a crossing simulating display, a clock display, a state indicating display and input buttons. The low power-consuming single-chip is connected with the state indicating display and the output terminal of the input buttons via the display-and-button interfaces. The output terminals of the light sensor and the timer circuit are connected with the input terminal of the low power-consuming single-chip. The input terminal of the display panel is connected with one output terminal of the low power-consuming single-chip. One output terminal of the low power-consuming single-chip outputs controlling signals via the wireless transmitting module and the aerial. The utility model has the advantages of that the utility model realizes wireless multi-phase control on the traffic lights, as the basic functions of present wire traffic lights.

Description

The wireless traffic signal controller

Technical field

The utility model relates to road traffic signal controller, especially relates to the wireless traffic signal controller.

Background technology

Existing traffic signal system mostly adopts the power supply of 220V power supply, and the traffic lights group of four direction links to each other with traffic signal controlling machine by underground cable, implements line traffic control by traffic signal controlling machine.The existing deficiency of wired control mode of this traffic lights is to need electrical network that power supply is provided, and traffic lights power lead and control line also need be maked somebody a mere figurehead or buried laying, therefore people attempt to utilize sun power as power supply traffic lights to be carried out controlled in wireless, as Chinese utility model patent number be: ZL200420117873.2, name is called " solar energy radio traffic lights " and discloses a kind of technical scheme of utilizing sun power to carry out the controlled in wireless traffic lights, but the wireless controller in this technical scheme only can be realized the control of single-phase traffic lights, can not reach the basic function of existing wired traffic signal controlling machine, therefore also have bigger gap apart from practical application.

The utility model content

The utility model purpose is to provide a kind of wireless traffic signal controller of realizing leggy control traffic lights.

For achieving the above object, the utility model can be taked following technical proposals:

Wireless traffic signal controller described in the utility model, it comprises CPU board, display panel, optical sensor, wireless transport module, antenna, end member's circuit and cabinet; CPU board comprises low-power scm, clock circuit, serial line interface, demonstration, keystroke interface and light sensation interface; Display panel comprises that the simulation crossing shows, clock shows, state indication and input button; The input port of described low-power scm is connected with input button output terminal with the state indication by demonstration, keystroke interface; The output terminal of optical sensor, clock circuit is connected with the input end of low-power scm respectively; The input port of described display panel is connected with an output port of low-power scm; An output port of low-power scm is by wireless transport module, antenna output control signal.

Described power circuit input end is electrically connected with the solar cell output terminal by charging circuit.

Described simulation crossing display is 48 street lamp look conformable displays.

Advantage of the present utility model is to realize leggy controlled in wireless traffic lights, reaches the basic function of present wired traffic signal controlling machine.Low-power scm MSP430F139 outputs to clock to the clock signal of handling and shows, and the real-time status of standard belisha beacon is outputed to 48 street lamp looks simulations show, be transmitted to the controlling and driving plate of place, crossing four direction simultaneously by wireless transport module, antenna.

Description of drawings

Fig. 1, Fig. 2 are the circuit theory diagrams of controller described in the utility model.

Fig. 3 is the schematic block circuit diagram of Fig. 1, Fig. 2.

Embodiment

As shown in the figure, wireless traffic signal controller described in the utility model, it comprises CPU board, display panel, optical sensor, wireless transport module, antenna, power circuit and cabinet; CPU board comprises low-power scm MSP430F139, clock circuit DS1306, serial line interface RS232, demonstration, keystroke interface and light sensation interface; Display panel comprises 48 street lamp looks simulation crossing display, and clock shows, state indication and input button; The input port of described low-power scm MSP430F139 is connected with input button output terminal with the state indication by demonstration, keystroke interface; The output terminal of optical sensor, clock circuit DS1306 is connected with the input end of low-power scm MSP430F139 respectively; The input port of described display panel is connected with the output port of low-power scm MSP430F139; The output port of low-power scm MSP430F139 is by wireless transport module, antenna output control signal; Described power circuit input end is electrically connected with the solar cell output terminal by charging circuit.

The utility model circuit working principle is as follows:

The electric current of solar cell output stores to charge in batteries through overcharge circuit, power circuit, provides power supply by power circuit for this controller simultaneously.

Low-power scm MSP430F1391 receives host computer provides relevant controlling schemes to system configuration information by the RS232 interface.Be shown to low-power scm MSP430F139 by keyboard and state input instruction is provided, photoelectric sensor detects the strong and weak low-power scm MSP430F139 of giving of extraneous light input signal is provided, and clock circuit DS1306 provides clock signal for low-power scm MSP430F139.

Low-power scm MSP430F139 outputs to clock to the clock signal of handling and shows, and the real-time status of standard belisha beacon is outputed on the 48 street lamp look conformable displays.Simultaneously, low-power scm MSP430F139 gives the controlling and driving plate of four direction by wireless transport module, antenna emission crossing control signal.

The contact P2.0-P2.7 of low-power scm MSP430F139 links to each other with button on the panel by U1 (74HC245) and relay J 8, is used for the input of keyboard instruction.Contact P6.0-P6.5, P1.6-P1.7 link to each other with functional status pilot lamp on the panel by U9 (74HC245) and relay J 8, and the state that is used for Presentation Function is indicated.Contact P4.0-P4.7 and P5.0-P5.7 link to each other with demonstration decoding U15, U16 (74HC138) and display driver circuit U1-U14 (74HC273) on the panel by U8, U10 (74HC245) and relay J 7, are used to drive 48 tunnel demonstrations of simulating the state at crossings and date, time.Contact P3.4-P3.7 links to each other with wireless module by U3 (MAX232), is used for sending controling instruction.Contact P1.0-P1.4 links to each other with clock chip DS1306, is used to the real-time clock of the system that sets up.Contact P3.0 drives diode D14 by U8 (74HC245), as the duty indication of system.

Claims

1, a kind of wireless traffic signal controller, it is characterized in that: it comprises CPU board, display panel, optical sensor, wireless transport module, antenna, power circuit and cabinet; Described CPU board comprises low-power scm, clock circuit, serial line interface, demonstration, keystroke interface and light sensation interface; Display panel comprises simulation crossing display, clock display, state indication and input button; The input port of described low-power scm is electrically connected with state indication and input button output terminal by demonstration, keystroke interface; The output terminal of optical sensor, clock circuit is electrically connected with the input port of low-power scm respectively; The input port of described display panel is electrically connected with an output port of low-power scm; An output port of low-power scm is by wireless transport module, antenna output control signal.

2, controller according to claim 1 is characterized in that: described power circuit input end is electrically connected with the solar cell output terminal by charging circuit.

3, controller according to claim 1 is characterized in that: described simulation crossing display is 48 street lamp look conformable displays.