CN2272180Y - Programmable photoelectric street lamp controller - Google Patents

Abstract

A programmable photoelectric street lamp controller comprises a power supply, a sampling amplifying circuit, a Schmidt toggle circuit, a long delay circuit a whole night lamp output, a clock and a mid-night lamp output circuit. The primary coil of a transformer is connected with an alternating current capacitance C in parallel. A silicon photocell connecting with an operational amplifier forms the sampling magnification. The output end of the operational amplifier is connected with a crystal triode BG 1 of the Schmidt toggle circuit. The collector of a crystal triode BG 2 is connected with the long delay circuit. The long delay circuit is connected with the whole night lamp output circuit. A voltage regulator tube is connected with a clock control device. This appliance is equipped with a control circuit in a box body. The arrangement of the complete appliance is reasonable, and the operation is stable and reliable. The programmable photoelectric street lamp controller is an ideal road lamp control appliance.

Description

Programmable optical circuit lamp controller

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

At present, street lamp controlled automatically mainly contain four kinds of modes, one is to use the optical circuit lamp controller, two are to use the microcomputer controller for road lamp, the 3rd, utilize programmable timer, the 4th, with the street lamp centralized control of system's machine to entire city, described four kinds of modes have following deficiency:

1, the optical circuit lamp controller is to utilize photo resistance sampling ambient brightness, and photo resistance is very easily aging, move 1 or two years after just bright lamp turn off the light in advance that to lag behind intrinsic light on and off lamp time control unstable.

2, microcomputer controller for road lamp function is more complete, but every price is about 2,000 yuan, and the user is difficult to accept.

3, programmable timer is controlled street lamp, is equal to the transistor timing clock that has been eliminated, and its weak point is to change synchronously with the time difference throughout the year, just need adjust once every tens days, should not control occasion at whole night lamp and use.

4, it is too big with computer the street lamp of entire city to be carried out the centralized control investment, and a medium-sized city needs millions of units, is difficult to be selected for use by the user.

The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art and provides a kind of control circuit simple, and with low cost, controlled function is strong, is provided with the programmable optical circuit lamp controller of evening lamp function near the microcomputer lamp controller.

The purpose of this utility model is achieved in that it is by control circuit, box body constitutes, control circuit board is loaded in the box body, and its structural feature is the primary coil of power circuit transformer and is connected to ac capacitor C, and is connected to relay contact J on the live wire that primary coil is connected ₁, J ₂, secondary coil links to each other with rectification circuit, and the output of rectification circuit is connected with integrated voltage stabilizer.The sampling amplifying circuit is by silicon photocell, integrated operational amplifier constitutes, silicon photocell links to each other with the input of operational amplifier, and the output of integrated operational amplifier is connected with Schmidt trigger circuit, and the collector electrode of the triode of Schmidt trigger circuit is connected with the long delay circuit.The long delay circuit is by resistance R ₇, capacitor C ₈, integrated package NE ₅₅₅Form R ₇With NE ₅₅₅2 pin link to each other C ₈With NE ₅₅₅6 pin link to each other NE ₅₅₅Output be connected with the whole night lamp circuit.The triode BG of whole night lamp circuit ₃Collector electrode and relay J ₁Link to each other.Voltage-stabiliser tube links to each other with the input of clock controlling appliances, the output of clock controlling appliances and evening lamp output circuit transistor BG ₅Base stage link to each other BG ₅Collector electrode and BG ₄Base stage be connected.

The purpose of this utility model can also reach by following technical measures: radiator is housed on the integrated voltage stabilizer, and radiator is installed on the shell.

Compared to existing technology, the utlity model has following advantage:

1, controlled function is strong, and control circuit is provided with the level of evening lamp function near the microcomputer controller for road lamp;

2, circuit is simple, and components and parts are the product of market public offering, easily buy, and cheap;

3, reliable stable, adapt to suitability for industrialized production.

The explanation of accompanying drawing drawing:

Fig. 1 is the utility model electrical schematic diagram;

Fig. 2 is the utility model box body structure schematic diagram.

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

Control circuit of the present utility model is by power circuit, and sampling amplifying circuit, Schmidt trigger circuit, long delay circuit, whole night lamp output, clock, evening lamp output circuit are formed.Power circuit is made of transformer, bridge rectifier, integrated voltage stabilizer 7812.The ac capacitor C of the primary coil of transformer and being connected to-250V, 0.1 μ, its effect is that the control interference signal enters transformer, on the live wire that joins with primary coil also and relay J ₁, J ₂The contact be connected contact J wherein ₁, J ₂Link to each other and link to each other contact J with the evening lamp output ₁Link to each other with lamp line all the night.Rectification circuit D ₀, D ₃Link to each other the output of rectification circuit and filter capacitor C with the transformer secondary output coil ₀Link to each other, link to each other with integrated voltage stabilizer 7812.Capacitor C ₀Effect be with D ₀, D ₃Signal filtering after the rectification becomes direct current, again feedway 12V power supply after 7812 voltage stabilizings.Radiator is housed on the regulator block 7812 and it is installed on the shell of box body (1), purpose is that heat is dispersed in the shell outside.In order to make 7812 pressurizer working stabilities, also be provided with capacitor C in the circuit ₁, C ₂The sampling amplifying circuit is by silicon photocell, integrated operational amplifier CA ₃₁₄₀E, resistance, electric capacity are formed.Silicon photocell is connected with the output of operational amplifier.Operational amplifier CA ₃₁₄₀1,8 pin of E are serially connected with capacitor C ₆, resistance R ₀Link to each other with its 7 pin, 2,6 pin are serially connected with adjustable resistance R ₁, R ₂, 6 pin are as output and Schmidt trigger circuit triode BG ₁Base stage link to each other.Triode BG ₁, BG ₂, resistance R ₄, R ₅, R ₆Form Schmidt trigger circuit.BG ₁Emitter and BG ₂Emitter be connected BG ₂Base stage pass through resistance R ₅With BG ₁Collector electrode be connected BG ₁Collector electrode on also be connected with resistance R ₄BG ₂Collector electrode be connected with the long delay circuit.The long delay circuit is by integrated package NE ₅₅₅, resistance R ₇, capacitor C ₈Form long 3 minutes the delay circuit of turning off the light, come assurance device to overcome various pulses less than 3 minutes photoelectric interference, resistance R ₇With NE ₅₅₅2 pin link to each other capacitor C ₈With NE ₅₅₅6 pin link to each other NE ₅₅₅3 pin be connected with the whole night lamp output circuit.The whole night lamp output circuit is by triode BG ₃, relay J ₁, resistance R ₁₂Form BG ₃Collector electrode and relay J ₁Link to each other base stage and resistance R ₁₂Link to each other.The utility model clock is adopted SL-C ₃The B clock controlling appliances, it is by-joint nickel-cadmium cell power supply, and voltage-stabiliser tube is by diode D ₆Link to each other with the input of clock controlling appliances, the output of clock controlling appliances is connected with the evening lamp output circuit.The evening lamp output circuit is by triode BG ₄, BG ₅Form.BG ₄Base stage and BG ₅Collector electrode link to each other BG ₄Collector electrode and relay J ₂Be connected.

Box body of the present utility model (1) is one square, and regulator block 7812 and the radiator (8) that is buckled in above it are screwed on shell.Relay board (4) also is fixed in the box body (1), and transformer B1 is loaded in the box body (1), and the binding post that is used to connect up (6) is fixed on shell.Electric capacity (9) is fixed on the bottom of box body by screw (7), (8), and electric capacity (9) is for being connected in parallel on the ac capacitor C of transformer, and printed substrate (printed substrate of control circuit) is loaded in the box body (1).

The course of work of the present utility model and principle :～220V civil power is through transformer B ₁Become～the 15V low-voltage, through D ₀-D ₃Commutation capacitor C ₀Become direct current after the filtering, supply with the stable 12V power supply of this controller after regulator block 7812 voltage stabilizings, clock module is by a joint nickel-cadmium cell trickle charge.And by the 12V electric current after the further voltage stabilizing of voltage-stabiliser tube to nickel-cadmium cell trickle charge.In order to prevent that nickel-cadmium cell from discharging by power supply, added diode D ₆Capacitor C in the circuit ₁, C ₂Can make regulator block 7812 work more stable, the high fdrequency component in simultaneously also can bypass supply plays jamproof effect.This device has replaced photo resistance with silicon photocell, has overcome the deficiency of photo resistance, the ZLUX luminance signal of silicon photocell sampling, and after single source integrated operational amplifier CA3140 amplified, control was by BG ₁, BG ₂The Schmidt trigger of forming is controlled the light on and off of street lamp, resistance R according to greater than ZLUX or less than this two states upset of ZLUX ₄Select 10K for use, the return difference that makes the light on and off lamp is about 0.1V.The long delay circuit can guarantee that this optical circuit lamp controller can overcome various pulses less than 3 minutes photoelectric interference, and as lightning, car light etc. make it reliable.The transistor that drives load-relay is selected BD for use ₄₄₁, BD ₄₄₂, its back-pressure 80V, operating current 4A, sufficient power headroom make circuit at the corresponding levels that the damage of unknown cause can not take place, and have further improved the reliability of this controller.The evening lamp function be other like product do not reach, evening lamp is turned off the light the time, secondary lighting time and the secondary time user that turns off the light again can utilize in the machine five button hacks or key entry.

Claims (2)

1, a kind of programmable optical circuit lamp controller is made of control circuit, box body, and control circuit board is loaded in the box body, it is characterized in that:

The primary coil of a, power circuit transformer also is connected to ac capacitor C, and is connected to relay contact J on the live wire that primary coil is connected ₁, J ₂, secondary coil links to each other with rectification circuit, and the output of rectification circuit is connected with integrated voltage stabilizer;

B, sampling amplifying circuit are by silicon photocell, and integrated operational amplifier constitutes, and silicon photocell links to each other with the input of operational amplifier, the output of integrated operational amplifier and Schmidt trigger circuit BG ₁Be connected the triode BG of Schmidt trigger circuit ₂Collector electrode be connected with the long delay circuit;

C, long delay circuit are by resistance R ₇, capacitor C ₈, integrated package NE ₅₅₅Form R ₇With NE ₅₅₅2 pin link to each other C ₈With NE ₅₅₅6 pin link to each other NE ₅₅₅Output be connected with the whole night lamp output circuit;

The triode BG of d, whole night lamp circuit ₃Collector electrode and relay J ₁Link to each other;

E, voltage-stabiliser tube link to each other with the input of clock controlling appliances, the output of clock controlling appliances and evening lamp output circuit transistor BG ₅Base stage link to each other BG ₅Collector electrode and BG ₄Base stage be connected.

2, programmable optical circuit lamp controller according to claim 1 is characterized in that being equipped with on the integrated voltage stabilizer radiator, on the radiator casing.