CN201204731Y

CN201204731Y - Traffic signal lamp

Info

Publication number: CN201204731Y
Application number: CNU2008200104212U
Authority: CN
Inventors: 杨艺
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-01-24
Filing date: 2008-01-24
Publication date: 2009-03-04
Anticipated expiration: 2018-01-24

Abstract

The utility model relates to an improvement of a traffic light structure and provides a traffic signal light with a back-up power supply. The utility model includes a traffic signal light with a control circuit, characterizing in that the control circuit comprises a main power source E1, which is in series connection with a normally open contact ZJ1 and coils of the relay ZJ; the second pin, the fourth pin and the eighth pin of the 555 timer IC1 is respectively connected with the anode of the main power source E1; the first pin of the 555 timer IC1 is connected with the b terminal of the normally open contact ZJ1; the fifth pin of the 555 timer IC1 is connected with the first pin of the 555 timer IC1 via a capacitor C1; the sixth pin and the seventh pin of the 555 timer IC1 is connected with the anode of the capacitor C2, the anode of which is connected with the anode of the main power source E1 via a resistor R2 and a sliding rheostat R1, the cathode of which is connected with the first pin of the 555 timer IC1; the third pin of the 555 timer IC1 is connected with the second pin of the 555 timer IC2.

Description

A kind of traffic lights

Technical field:

The utility model relates to the improvement of traffic signals modulated structure.

Background technology:

The traffic lights of existing road both sides do not have stand-by power supply, and when the city had a power failure, the traffic lights cisco unity malfunction had brought great pressure to traffic, have brought inconvenience for people's trip, and are serious even cause traffic accident.

The utility model content:

The utility model is exactly at the problems referred to above, and a kind of traffic lights with back-up source are provided.

For achieving the above object, the utility model adopts following technical scheme, the utility model comprises the traffic lights with control circuit, it is characterized in that control circuit comprises main power source E1, the normally opened contact ZJ1 of main power source E1 and relay ZJ, the coil of relay ZJ is connected in series, the 2nd pin of 555 timer IC1, the 4th pin, the 8th pin links to each other with the positive pole of main power source E1 respectively, the 1st pin of 555 timer IC1 links to each other with the b of normally opened contact ZJ1 end, the 5th pin of 555 timer IC1 links to each other through the 1st pin of capacitor C 1 with 555 timer IC1, the 6th pin of 555 timer IC1, the 7th pin links to each other with the positive pole of capacitor C 2, the positive pole of capacitor C 2 is through resistance R 2, slide rheostat R1 links to each other with the positive pole of main power source E1, the negative pole of capacitor C 2 links to each other with the 1st pin of 555 timer IC1, the 3rd pin of 555 timer IC1 links to each other with the 2nd pin of 555 timer IC2, and the 2nd pin of 555 timer IC2 is through resistance R 3, bulb L1 links to each other with the 1st pin of 555 timer IC1; The 4th pin of 555 timer IC2, the 8th pin links to each other with the positive pole of main power source E1 respectively, the 1st pin of 555 timer IC2 links to each other with the b end of the normally opened contact ZJ1 of relay ZJ, the 5th pin of 555 timer IC2 links to each other through the 1st pin of capacitor C 3 with 555 timer IC2, the 3rd pin of 555 timer IC2 is through resistance R 6, bulb L2 links to each other with the 1st pin of 555 timer IC2, the positive pole of main power source E1 is through slide rheostat R4, resistance R 5 links to each other with the positive pole of capacitor C 4, the negative pole of capacitor C 4 links to each other with the b end of the normally opened contact ZJ1 of relay ZJ, the positive pole of stand-by power supply E2 links to each other with the positive pole of main power source E1, and the negative pole of stand-by power supply E2 links to each other with the b end of the normally opened contact ZJ1 of relay ZJ through the normally-closed contact ZJ2 of relay ZJ.

The beneficial effects of the utility model:

Owing to the utlity model has back-up source E2, when the city had a power failure, traffic lights of the present utility model are the energy operate as normal just, has not only alleviated traffic pressure, for people's trip provides convenience; And effectively avoided traffic accident.

Description of drawings:

Fig. 1 is circuit theory diagrams of the present utility model.

Embodiment:

The utility model comprises the traffic lights with control circuit, control circuit comprises main power source E1, the normally opened contact ZJ1 of main power source E1 and relay ZJ, the coil of relay ZJ is connected in series, the 2nd pin of 555 timer IC1, the 4th pin, the 8th pin links to each other with the positive pole of main power source E1 respectively, the 1st pin of 555 timer IC1 links to each other with the b of normally opened contact ZJ1 end, the 5th pin of 555 timer IC1 links to each other through the 1st pin of capacitor C 1 with 555 timer IC1, the 6th pin of 555 timer IC1, the 7th pin links to each other with the positive pole of capacitor C 2, the positive pole of capacitor C 2 is through resistance R 2, slide rheostat R1 links to each other with the positive pole of main power source E1, the negative pole of capacitor C 2 links to each other with the 1st pin of 555 timer IC1, the 3rd pin of 555 timer IC1 links to each other with the 2nd pin of 555 timer IC2, and the 2nd pin of 555 timer IC2 is through resistance R 3, bulb L1 links to each other with the 1st pin of 555 timer IC1; The 4th pin of 555 timer IC2, the 8th pin links to each other with the positive pole of main power source E1 respectively, the 1st pin of 555 timer IC2 links to each other with the b end of the normally opened contact ZJ1 of relay ZJ, the 5th pin of 555 timer IC2 links to each other through the 1st pin of capacitor C 3 with 555 timer IC2, the 3rd pin of 555 timer IC2 is through resistance R 6, bulb L2 links to each other with the 1st pin of 555 timer IC2, the positive pole of main power source E1 is through slide rheostat R4, resistance R 5 links to each other with the positive pole of capacitor C 4, the negative pole of capacitor C 4 links to each other with the b end of the normally opened contact ZJ1 of relay ZJ, the positive pole of stand-by power supply E2 links to each other with the positive pole of main power source E1, and the negative pole of stand-by power supply E2 links to each other with the b end of the normally opened contact ZJ1 of relay ZJ through the normally-closed contact ZJ2 of relay ZJ.

During normal the use, the normally opened contact ZJ1 closure of relay ZJ, normally-closed contact ZJ2 disconnects, and main power source E1 provides operating voltage for the utility model; After the utility model outage, the normally opened contact ZJ1 of relay ZJ disconnects, normally-closed contact ZJ2 closure, and stand-by power supply E2 provides operating voltage for the utility model.

Claims

1, a kind of traffic lights, comprise traffic lights with control circuit, it is characterized in that control circuit comprises main power source (E1), the normally opened contact (ZJ1) of main power source (E1) and relay ZJ, the coil of relay ZJ is connected in series, the 2nd pin of 555 timers (IC1), the 4th pin, the 8th pin links to each other with the positive pole of main power source (E1) respectively, the 1st pin of 555 timers (IC1) links to each other with the b end of normally opened contact (ZJ1), the 5th pin of 555 timers (IC1) links to each other through the 1st pin of electric capacity (C1) with 555 timers (IC1), the 6th pin of 555 timers (IC1), the 7th pin links to each other with the positive pole of electric capacity (C2), the positive pole of electric capacity (C2) is through resistance (R2), slide rheostat (R1) links to each other with the positive pole of main power source (E1), the negative pole of electric capacity (C2) links to each other with the 1st pin of 555 timers (IC1), the 3rd pin of 555 timers (IC1) links to each other with the 2nd pin of 555 timers (IC2), and the 2nd pin of 555 timers (IC2) is through resistance (R3), bulb (L1) links to each other with the 1st pin of 555 timers (IC1); The 4th pin of 555 timers (IC2), the 8th pin links to each other with the positive pole of main power source (E1) respectively, the 1st pin of 555 timers (IC2) links to each other with the b end of the normally opened contact (ZJ1) of relay ZJ, the 5th pin of 555 timers (IC2) links to each other through the 1st pin of electric capacity (C3) with 555 timers (IC2), the 3rd pin of 555 timers (IC2) is through resistance (R6), bulb (L2) links to each other with the 1st pin of 555 timers (IC2), the positive pole of main power source (E1) is through slide rheostat (R4), resistance (R5) links to each other with the positive pole of electric capacity (C4), the negative pole of electric capacity (C4) links to each other with the b end of the normally opened contact (ZJ1) of relay ZJ, the positive pole of stand-by power supply (E2) links to each other with the positive pole of main power source (E1), and the negative pole of stand-by power supply (E2) links to each other with the b end of the normally opened contact (ZJ1) of relay ZJ through the normally-closed contact (ZJ2) of relay ZJ.