CN203276582U - Pedestrian-crossing signal lamp device with variable caution information - Google Patents

Abstract

The utility model relates to a pedestrian-crossing signal lamp device with variable caution information, belonging to the field of intelligent traffic control. A CPU module which is formed by connecting a single-chip microcomputer in the model of STC15F2K16S2 with a gate circuit chip in the model of 74HC02 is respectively connected with a lamp-color signal input module, signal lamps, an information board, a communication interface, a red light runner detection circuit, a sound prompt module and a countdown timer, wherein the through-hole diameter of the pedestrian-crossing signal lamp is 300mm, and the information board is equipped with double-color prompt words. It is proved that the pedestrian-crossing lamp device is stable and reliable in performance and clear in prompt information, has functions of countdown self learning and triggering and communication display, is equipped with a clock module for the blind, and can be expanded with the red light runner detection module. The device possesses complete functions, multiple innovative functions and strong applicability, as well as convenience in installation and debugging.

Description

The pedestrian crosswalk signal lamp device of variable information warning

Technical field

The utility model belongs to the intelligent transportation control field.

Background technology

At present, the pedestrian traffic signal indicating device that adopts in intelligent traffic signal lamp control system is various in style, have dynamically, static, with the LED dot matrix screen, the pedestrian lamp transparent surface has circularly, also has square.For the standard road traffic signal lamp, The Ministry of Public Security of the People's Republic of China, MOPS works out relevant signal lamp implementation specification, the council has promulgated " GB14887-2011 road traffic signal lamp " standard by national standardization, clear the series of standards such as signal lamp shape, building form.Signal designation sign that this standard is clear and definite and to assist sign to need separately strict have the related definition for blind person's clock.According to existing standard, consider the situation of traffic signals control and management domain, need to be for pedestrian crosswalk signal lamp than more comprehensively adjustment and perfect.

Domestic motor vehicles are increasing, and urban road also is faced with congested traffic problem day by day.At the crossing that is provided with traffic lights, pedestrian's lamp that ignores a signal makes a dash across the red light and crosses roads randomly, and causes accident and access connection traffic flow to delay to gather around, thereby affects the traffic traffic status at whole crossing.For this phenomenon, need us to improve the measure of signal designation and caution.In addition, advocate now and build wisdom city and wisdom traffic, also need the signal designation equipment of wisdom to complete the indicator signal instruction that traffic control system is assigned.The utility model is for solving the deficiency of existing product, aly can satisfy the new national standard respective standard according to what the existing market Demand Design went out, and the crossing signal designation equipment of the means prompting functions such as pedestrian's street crossing sound, light can be provided again.

Summary of the invention

The utility model provides a kind of crossing signal designation equipment that the means prompting functions such as pedestrian's street crossing sound, light can be provided.

The utility model is achieved by the following technical solution: a kind of pedestrian crosswalk signal lamp device of variable information warning, its technical characteristics are that model is that to connect model be that to connect respectively light color input signal module, through-hole diameter be 300 pedestrian crosswalk signal lamp and double-colored caution Word message board, communication interface, pedestrian running red light testing circuit, auditory tone cues module, count-down device for CPU module that the gate circuit chip of 74HC02 consists of to the STC15F2K16S2 single-chip microcomputer;

Described communication interface is that model is the technical grade RS-485 chip connection wireless module formation of 65HVD3082, and wireless module is the Zigbee module;

Described auditory tone cues module comprises two parts, is blind person's clock module of ISD speech chip reminding module and PWM driving.

The utility model takes into full account safety and reliability, provides red and green signals interface, RS-485 communication interface to receive the light color indicator signal, utilizes the RS-485 interface to receive real-time countdown signal; This device also arranges standard blind person clock module to satisfy blind person crowd's needs; This device is provided with the information warning board that conversion shows according to red and green signals and reminds the pedestrian to take care with eye-catching word indication information; This device also arranges optional module supersonic detection device, if the pedestrian makes a dash across the red light by force, system's voice that give a warning immediately remind the pedestrian to observe traffic laws with voice mode, ensure the unimpeded in order of pedestrains safety and crossing.

This pedestrian crosswalk signal lamp device is designed to common apparatus, and this device is applicable to all signal controlling machine equipments.This device adopts perfect modular design, can be according to user's needs apolegamy functional module.This equipment is supported the multi-signal access module, and access module comprises that red and green signals directly accesses, RS-485 communicates by letter and three kinds of patterns of radio communication.The utility model circuit is simplified, stable performance provides the traffic signals indication control device with information warning of high performance-price ratio and perfect in shape and function for the Control and management through ITS field.

The utility model uses this device of proof reliable and stable through the client, and information warning is clear; Have countdown self study, triggering and the Presentation Function of communicating by letter; Band blind person clock module; Can expand the pedestrian running red light detection module.This apparatus function is perfect, have multinomial innovative function, the Installation and Debugging simple operation, and applicability is strong.

Description of drawings:

Fig. 1 is a kind of pedestrian crosswalk signal lamp device principle of work of variable information warning;

Fig. 2 is a kind of pedestrian crosswalk signal lamp schematic diagram of device of variable information warning;

Fig. 3 the utility model applied topology structural drawing;

Fig. 4 hardware module structure;

Fig. 5 block diagram for software modules.

Embodiment:

As Fig. 1, Fig. 2, shown in Figure 4, light color input signal module 1,, green light chrominance signal red for traffic signals receives; Model is that to connect model be that CPU module 4 connecting through hole diameters that the gate circuit chip of 74HC02 consists of are 300 pedestrian crosswalk signal lamp and double-colored caution Word message board 2 to the STC15F2K16S2 single-chip microcomputer; The CPU module connects again communication interface 3, and technical grade RS-485 chip 65HVD3082 is adopted in serial communication; Wireless module adopts the Zigbee module; The pedestrian running red light testing circuit adopts I/O level detection 5 in order to guarantee device security, uses the PC817 optocoupler to carry out the photoelectricity isolation; Auditory tone cues module 6 comprises two parts, blind person's clock module that ISD speech chip reminding module and PWM drive; Count-down device 7 comprises single digital " 8 " or Double-number " 88 " count-down device.

As shown in Figure 3, the utility model application is comprised of the pedestrian crosswalk signal lamp of traffic signals main control system, lane signal lamp and the variable information warning of the utility model.Teleseme control mode of the present utility model has multiple, comprises the directly control of light color signal, Serial Control and three kinds of modes of controlled in wireless.

As shown in Figure 5, system scheduling module is responsible for the collaborative work of each module of system, rational allocation system resource.Signal of communication receives the overall treatment module and carries out data communication by RS-485 data-interface, Zigbee channel radio interface, receives corresponding control information and countdown information, automatically according to the varying input signal corresponding light color of output and caution control information.Study triggers, communicates by letter adaptation module according to different access modules (comprising study module, trigger mode and communication pattern), the output of automatic distinguishing and corresponding countdown information.The detection signal processing module detects IO mouth input signal, comprises that pedestrian running red light signal access port and pedestrian apply for port.

This device indicator signal access module, light color display module, countdown display module, caution word display module, auditory tone cues module and pedestrian running red light detection module.The utility model simple in circuits, integrated design possesses acousto-optic warning and prompt facility.The RS-485 chip adopts technical grade 65HVD3082 communication chip.Central processing unit adopts the STC15F2K16S2 single-chip microcomputer, adopts 1 clock/machine cycle, and enhancement mode 8051 kernels, speed is than traditional 8051 fast 7 ~ 12 times, speed is more serial than STC12/11/10) speed fast 20%, be equivalent to common 8051:60～420MHz.

The utility model display interface comprises pedestrian's pilot lamp chrominance signal, single digital " 8 " or Double-number " 88 " countdown display unit and information warning unit.Special information warning unit is comprised of red, green two kinds of color LED, show green information warning " pedestrian please walk zebra crossing " during green light, show red information warning " pedestrian forbids making a dash across the red light " during red light, this demonstration information is sketched the contours by dual-colored LED and is formed, and non-LED dot matrix screen shows.This design can improve cost performance greatly, significantly saves cost.But this design contains single digital countdown display unit expanding element, satisfies the customer demand that the countdown needs are arranged.The signal input interface module, the supporting signal light color is directly inputted, serial communication RS-485 inputs and the wireless module access.Can expand the pedestrian running red light detection module, support ultrasonic and the infrared detection module, support IO input and serial signal RS232 input.Blind person's clock module, this module are blind person's auditory tone cues module.The caution sound module, this module is the ISD speech chip.

Claims (3)

1. the pedestrian crosswalk signal lamp device of a variable information warning is characterized in that model is that to connect model be that to connect respectively light color input signal module, through-hole diameter be 300 pedestrian crosswalk signal lamp and double-colored caution Word message board, communication interface, pedestrian running red light testing circuit, auditory tone cues module, count-down device for CPU module that the gate circuit chip of 74HC02 consists of to the STC15F2K16S2 single-chip microcomputer.

2. the pedestrian crosswalk signal lamp device of a kind of variable information warning as claimed in claim 1, is characterized in that described communication interface is that model is the technical grade RS-485 chip connection wireless module formation of 65HVD3082, and wireless module is the Zigbee module.

3. the pedestrian crosswalk signal lamp device of a kind of variable information warning as claimed in claim 1, is characterized in that described auditory tone cues module comprises two parts, is blind person's clock module of ISD speech chip reminding module and PWM driving.

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