CN2347197Y

CN2347197Y - Programmable photoelectrical street lamp controller

Info

Publication number: CN2347197Y
Application number: CN 98240948
Authority: CN
Inventors: 周友田; 苏艳清; 高明艳
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-09-25
Filing date: 1998-09-25
Publication date: 1999-11-03
Anticipated expiration: 2008-09-25

Abstract

The utility model discloses a programmable photoelectric street lamp controller. The primary coil of the transformer of a power supply circuit is connected with an alternating current capacitor c, a relay contact j1 and a relay contact j2. A secondary coil is connected with a rectification circuit. A sampling amplifying circuit is composed of a silicon photocell and an integrated circuit. An electricity collector of the dynatron BG 2 of a light on-off turning circuit is connected with a light off delay circuit. The output end of the light off delay circuit is connected with a light control output circuit. A time control circuit is connected with a time control output circuit. The silicon photocell of sampling amplifying circuit of the utility model is connected with the input end of an operational amplifier of an army grade chip LM124. The output is connected with the base electrode of the dynatron BG 1 of the light on-off turning circuit. The light off delay circuit is composed of another operational amplifier of the army grade chip. The output end of the light off delay circuit is connected with the light control output circuit. The arrangement of the complete appliance of the appliance is reasonable, and the operation is stable and reliable. The programmable photoelectric street lamp controller is an ideal road lamp control device.

Description

Programmable optical circuit lamp controller

This real work utility model relates to a kind of programmable optical circuit lamp controller, belongs to the street lamp control device.

In order to overcome the deficiency of at present street lamp being controlled automatically, I have invented " programmable optical circuit lamp controller " near the micro computer controller for road lamp, the patent No. is ZL96221059.5, it has remedied the deficiency in present technique field, but facts have proved of being to use still has unsatisfactory part, subject matter to be, when the annual hot summer days are arrived in continuous working, because the temperature in the sunlight direct projection, control box can reach more than 70 ℃.The used integrated circuit of controller uses on the road next door that tree not hides and to be out of order easily because of there not being the technical grade chip in addition again.

The purpose of this utility model be to overcome above-mentioned the deficiencies in the prior art and a kind of sample circuit is provided, the delay circuit of turning off the light is with a corps level chip LM124, making the light-operated part can be at-55 ℃--reliability service in+125 ℃ the environment is provided with the programmable optical circuit lamp controller of powered fan in the machine.

The purpose of this utility model be achieved in that comprise power circuit, sampling amplification circuit, light on and off lamp reverse circuit, light-operated output circuit, the time control circuit, time control output circuit, the primary coil of the transformer of power circuit and ac capacitor c, relay contact j ₁, j ₂Be connected, secondary coil links to each other with rectification circuit, and sampling amplification circuit is made of silicon photocell, integrated circuit, the triode BG of light on and off lamp reverse circuit ₂Collector link to each other with the delay circuit of turning off the light, the output terminal of the delay circuit of turning off the light links to each other with light-operated output circuit.The time control circuit link to each other with the time control output circuit, its structural feature is: the silicon photocell of sampling amplification circuit links to each other with the input end of the operational amplifier of corps level chip LM124, the triode BG of its output terminal and light on and off lamp reverse circuit ₁Base stage link to each other.The delay circuit of turning off the light is made of army's pole piece sheet, and its output terminal links to each other with light-operated output circuit.The time electric fan is installed on the control circuit, electric fan is provided with switch.

Compare with I ZL96221059.5 of invention, the utlity model has following advantage:

1, cancelled two integrated circuit CA3140 and NE555 among the ZL96221059.5,, greatly saved design cost by corps level chip LM124 main part as sampling, delay circuit;

2,, making the light-operated part of controller can be at-55 ° owing to adopted corps level chip LM124--reliability service in+125 ° the environment, failure rate reduce to minimum;

3, on the clock module electric fan being housed, can be its heat radiation in the summer of heat sweltering heat timely, guarantees that this device working stability is reliable;

4, powerful, especially evening lamp output function precision has reached the level of micro computer controller for road lamp.

The explanation of accompanying drawing drawing:

Fig. 1 is the utility model electrical schematic diagram.

Fig. 2 is the utility model electric fan mounting structure synoptic diagram.

Embodiment describes the utility model in detail below in conjunction with accompanying drawing.

The utility model is the improvement to Chinese patent ZL96221059.5, and improved position is: sampling amplification circuit, the delay circuit of turning off the light.By power circuit, sampling amplification circuit, light on and off lamp reverse circuit, the delay circuit of turning off the light, light-operated output circuit, the time control circuit, time control output circuit form.Power circuit is made of transformer, bridge rectifier circuit, integrated voltage stabilizer 7812.The ac capacitor of the primary coil of transformer and being connected to-250V, 0,1/u, its effect are that the control undesired signal enters transformer, the live wire that joins with primary coil also with relay J ₁, J ₂The contact be connected contact J wherein ₁, J ₂Join and link to each other contact J with the evening lamp output terminal ₁Link to each other with whole night lamp.The D of bridge rectifier circuit ₁D ₄Link to each other its output terminal and filter capacitor C with the transformer secondary output coil ₀Link to each other, link to each other with integrated voltage stabilizer 7812.The effect of filter capacitor is with D ₁-D ₄Signal filtering after the rectification becomes direct current, again through integrated voltage stabilizer 7812 regulator block feedwaies 12 power supplys.On the regulator block 7812 heating radiator is housed.In order to make 7812 voltage stabilizer working stabilities, also be provided with capacitor C in the circuit ₁, C ₂Sampling amplification circuit is made up of silicon photocell, corps level chip LM124, resistance, electric capacity.Silicon photocell links to each other its output terminal and resistance R with the input end of the operational amplifier of corps level chip LM124 ₁, R ₂, capacitor C ₄Link to each other.Also with light on and off lamp reverse circuit BG ₁Base stage link to each other, light on and off lamp reverse circuit is by triode BG ₁, BG ₂,

Resistance R ₄--R ₈Form.Triode BG wherein ₁Emitter and BG ₂Emitter link to each other resistance R ₅With R ₆Link to each other.Resistance R ₇With BG ₂Base stage link to each other resistance R ₈With BG ₂Emitter link to each other BG ₂Collector also be connected with capacitor C ₄Link to each other.Light on and off lamp reverse circuit links to each other with the delay circuit of turning off the light.Another operational amplifier, the resistance R of delay circuit of turning off the light by corps level chip LM124 ₉--R ₁₁Form.The input end of its operational amplifier and resistance R ₉, R ₁₀Link to each other output terminal and resistance R ₁₁Link to each other resistance R ₁₁Link to each other with light-operated output circuit.Light-operated output circuit is by triode BG ₃, diode D ₅, relay J ₁Form.Triode BG wherein ₃Collector and relay J ₁, diode D ₅Link to each other.Control circuit adopts JB-C3B clock controlling appliances, the input end of clock controlling appliances and resistance R when of the present utility model ₁₂, stabilivolt links to each other, and adds electric fan 4 on the clock controlling appliances, electric fan 4 links to each other with switch, its effect is to be that clock film piece dispels the heat in the season of sweltering heat.Fan and K switch F that electric fan 4 adopts on the 486 microcomputer master chips.K switch F can not close by the time spent.Its installation method such as Fig. 2, electric fan 4 is fixed in the circuit board by fan mounting hole 2, is positioned at the top of clock film piece 1.Clock film piece 1 is also fixed in the circuit board by mounting hole 3.Regulator block 7812 and button heating radiator thereon are screwed on shell, and the printed circuit board (PCB) of all control circuits is loaded in the box body.

The course of work of the present utility model and principle :～220V civil power becomes～the 15V low-voltage through transformer, behind the rectification circuit rectifying and wave-filtering, be transformed into direct current, the stable 12V dress power supply of feedway after regulator block 7812 voltage stabilizings, clock film piece is by a joint nickel-cadmium battery power supply.And by 12V voltage after the further voltage stabilizing of stabilivolt to nickel-cadmium battery trickle charge.Corps level chip LM124 has replaced the repertoire of CA3140 and NE555 in the former patent, make the light-operated part of this controller can be in-55 °-+125 ℃ environment reliability service.When the corps level chip LM124 of sampling amplification circuit passes to light on and off lamp reverse circuit with amplifying signal, realize passing to the delay circuit of turning off the light after the upset that the delay time of turning off the light is three minutes.The delay circuit of turning off the light can guarantee that this controller can overcome various pulses less than 3 minutes photoelectric interference, as lightning, car light etc., makes it reliable.The former patent of the power ratio of all resistance of this device improves one grade, is 0.5W, and electric capacity is withstand voltage also to improve one grade.

Claims

1, a kind of programmable optical circuit lamp controller, comprise power circuit, sampling amplification circuit, light on and off lamp reverse circuit, light-operated output circuit, the time control circuit, time control output circuit, the primary coil of the transformer of power circuit and ac capacitor c, relay contact j ₁, j ₂Be connected, secondary coil links to each other with rectification circuit, and sampling amplification circuit is made of silicon photocell, integrated circuit, the triode BG of light on and off lamp reverse circuit ₂Collector link to each other with the delay circuit of turning off the light, the output terminal of the delay circuit of turning off the light links to each other with light-operated output circuit, the time control circuit link to each other with the time control output circuit, it is characterized in that:

The silicon photocell of a, sampling amplification circuit links to each other with the input end of the operational amplifier of corps level chip LM124, the triode BG of its output terminal and light on and off lamp reverse circuit ₁Base stage link to each other,

B, the delay circuit of turning off the light are made of another operational amplifier of the pole piece sheet LM124 of army, and its output terminal links to each other with light-operated output circuit,

C, the time electric fan is installed on the control circuit, electric fan is provided with switch.

2, programmable optical circuit lamp controller according to claim 1 is characterized in that sampling amplification circuit, the corps level chip model of the delay circuit of turning off the light is LM124.