CN201796498U

CN201796498U - Pedestrian crossing voice prompt device

Info

Publication number: CN201796498U
Application number: CN2010205366632U
Authority: CN
Inventors: 王大成; 陈冰; 黄震; 倪健宝
Original assignee: NANJING DORON TECHNOLOGY Co Ltd
Current assignee: Duolun Polytron Technologies Inc
Priority date: 2009-10-28
Filing date: 2010-09-20
Publication date: 2011-04-13
Anticipated expiration: 2020-09-20

Abstract

The utility model discloses a pedestrian crossing voice prompt device, which is characterized by comprising a transformer (1), a power module (2), a voice chip (3), a singlechip (4) and a loudspeaker (5), wherein a primary coil of the transformer (1) is connected with a red light signal power source (6), and a secondary coil of the transformer (1) is connected with the output end of the power module (2); the power module (2) provides power for subsequent circuits and modules; a control signal input end of the voice chip (3) is connected with a voice control signal output end of the singlechip (4); a voice signal output end of the voice chip (3) is connected with the input end of a power amplification circuit (7); the output end of the power amplification circuit (7) is connected with the input end of the loudspeaker (5); and the singlechip (4) is connected with a clock chip (9) powered by a duplicate supply. The pedestrian crossing voice prompt device has a simple structure, is easy to implement, is convenient to mount and use, and has small volume due to high integration degree so as not to influence the attractiveness of traffic lights.

Description

The pedestrian's street crossing sound prompt device

Technical field

The utility model relates to a kind of means of transportation, especially a kind of auxiliary equipment of traffic lights, specifically a kind of pedestrian's street crossing sound prompt device that can carry out voice suggestion when red light is bright.

Background technology

As everyone knows, pedestrian running red light, be pedestrian traffic the most general, the most obvious in illegal, also be the maximum a kind of traffic offence behavior of quantity.Not only there is danger greatly in this illegal activities to traffic offence person's the person, and hinder the maintenance The coast is clear, the very big inducement that causes traffic hazard to take place especially.In order to contain the uncivil behavior of pedestrian running red light, reducing traffic hazard takes place, vehicle supervision department successively releases punishment modes such as carbon copy unit, media exposure, fine, but produce little effect, be difficult to tackle the problem at its root, and according to psychological study, if can when red light lights, carry out voice suggestion in time, then can play beyond thought effect, therefore, develop and a kind ofly can synchronous working the traffic lights auxiliary equipment of carrying out voice suggestion with signal lamp and become the task of top priority.

Summary of the invention

The purpose of this utility model is at the comparatively general problem of pedestrian running red light phenomenon, design a kind of sound can be controlled at about 30 decibels and only morning 7:30 to the pedestrian's street crossing sound prompt device that auditory tone cues is arranged between the late 19:00.

The technical solution of the utility model is:

A kind of pedestrian's street crossing sound prompt device, it is characterized in that it comprises transformer 1, power module 2, speech chip 3, single-chip microcomputer 4 and loudspeaker 5, the primary coil of transformer 1 links to each other with red signal power supply 6, the secondary coil of transformer 2 links to each other with the output terminal of power module 2, power module 2 provides power supply for follow-up each circuit and module, the signal input end of speech chip 3 links to each other with the voice control signal output ends of single-chip microcomputer 4, the voice signal output terminal of speech chip 3 links to each other with the input end of power amplifier 7, and the output terminal of power amplifier 7 links to each other with the input end of loudspeaker 5; Described single-chip microcomputer 4 also is connected with the clock chip 9 by dual power supply.

Between described speech chip 3 and power amplifier 7, also be provided with pre-arcing road 8.

Described single-chip microcomputer 4 also is connected with LCDs 10.

A power input of described clock chip 9 links to each other with the output terminal of power module 2, and another power input links to each other with the output terminal of lithium battery.

The beneficial effects of the utility model:

1, the utility model is protected electricity by battery and farad capacitor (linking to each other with power module) for clock chip, prevents that the power down overlong time from causing loss of clock, makes the prompting device cisco unity malfunction;

2, the utility model can be provided with by the clock of button to system, and the both convenient while guarantees that also system works is in the correct time period;

3, the utility model is controlled the speech play time (as 7:30-19:00), thereby is avoided night that peripheral resident is produced interference by the program setting;

4, the utility model makes the wave volume that plays back be controlled at about 30 decibels by the adjustment to the voice amplifying circuit, can hear prompt tone to guarantee the pedestrian and non motorized vehicle driver, can not cause interference to crossing periphery resident's work life again.

5, the utility model is simple in structure, is easy to realize, installation and use are all very convenient, and simultaneously owing to the integrated level height, so volume is little, can not influence the attractive in appearance of traffic lights.

Description of drawings

Fig. 1 is an electric theory diagram of the present utility model.

Fig. 2 is a software control flow chart of the present utility model.

Fig. 3 is the circuit diagram of the utility model embodiment.

Embodiment

Below in conjunction with drawings and Examples the utility model is further described.

As Figure 1-3.

A kind of pedestrian's street crossing sound prompt device, it comprises transformer 1, power module 2, speech chip 3(model can be AP89085), single-chip microcomputer 4(can adopt common single-chip microcomputer) and loudspeaker 5, as shown in Figure 1, the primary coil of transformer 1 links to each other with red signal power supply 6, the secondary coil of transformer 2 links to each other with the output terminal of power module 2, power module 2 provides power supply for follow-up each circuit and module, the signal input end of speech chip 3 links to each other with the voice control signal output ends of single-chip microcomputer 4, the voice signal output terminal of speech chip 3 links to each other with the input end of power amplifier 7, in order to guarantee the result of broadcast of voice, also can a pre-arcing road 8 be set between described speech chip 3 and power amplifier 7 during concrete enforcement, the output terminal of power amplifier 7 links to each other with the input end of loudspeaker 5; The clock chip 9(model that described single-chip microcomputer 4 also is connected with by dual power supply can be PCF8563).Single-chip microcomputer 4 also is connected with LCDs 10 and adjusts the key circuit of control usefulness.In order to prevent that power down from causing timing error, influence the operate as normal of sound prompt device, the clock chip 9 that also can be during concrete enforcement is equipped with a lithium circuit standby power supply, make it to work in the dual power supply pattern, one of them power input links to each other with the output terminal of power module 2, and another power input links to each other with the output terminal of lithium battery.The physical circuit figure of present embodiment as shown in Figure 3.

Principle of work of the present utility model is:

The utility model is gathered pedestrian's lamp red signal, provide power supply by red signal, in the time of red signal, system starts working, at first system is carried out initialization, read the time in the clock chip (PCF8563) then, whether judgement time is in the working time (as 7:30-19:00), if would control speech chip (AP89085) beginning playing alert tones, prompt tone at first amplifies by pre-amplifying circuit (LM386), after amplifying, output to loudspeaker then, as shown in Figure 2 by power amplifier (TEA2025).The utility model makes the volume of prompt tone be controlled at about 30 decibels by the design to circuit, can hear prompt tone to guarantee the pedestrian and non motorized vehicle driver, can not cause interference to crossing periphery resident's work life again.

Important part is the control to the time in the utility model design, in order to keep the time in the clock chip (PCF8563) consistent with the real time, the anti-long-time no power of locking system causes the time wrong or lose, the utility model has adopted lithium battery (LTR2032) and farad capacitor to protect the method for electricity simultaneously to clock chip, makes system time and real time be consistent.Guaranteed that like this utility model was operated in the correct time period, avoided timing error and cause the night playing alert tones that crossing periphery resident's life is caused interference.

The utility model does not relate to the part prior art that maybe can adopt all same as the prior art to be realized.

Claims

1. pedestrian's street crossing sound prompt device, it is characterized in that it comprises transformer (1), power module (2), speech chip (3), single-chip microcomputer (4) and loudspeaker (5), the primary coil of transformer (1) links to each other with red signal power supply (6), the secondary coil of transformer (2) links to each other with the output terminal of power module (2), power module (2) provides power supply for follow-up each circuit and module, the signal input end of speech chip (3) links to each other with the voice control signal output ends of single-chip microcomputer (4), the voice signal output terminal of speech chip (3) links to each other with the input end of power amplifier (7), and the output terminal of power amplifier (7) links to each other with the input end of loudspeaker (5); Described single-chip microcomputer (4) also is connected with the clock chip (9) by dual power supply.

2. sound prompt device according to claim 1 is characterized in that also being provided with pre-arcing road (8) between described speech chip (3) and power amplifier (7).

3. sound prompt device according to claim 1 is characterized in that described single-chip microcomputer (4) also is connected with LCDs (10).

4. sound prompt device according to claim 1 is characterized in that a power input of described clock chip (9) links to each other with the output terminal of power module (2), and another power input links to each other with the output terminal of lithium battery.