CN1901769A

CN1901769A - Intelligent protective lighting power saving device

Info

Publication number: CN1901769A
Application number: CNA200610045464XA
Authority: CN
Inventors: 雷德旺; 雷中喜
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-20
Filing date: 2006-07-20
Publication date: 2007-01-24

Abstract

This invention discloses a single-phase AC microcomputer intelligent control illuminance electric-saver including: a switch circuit, an attached supply commutation circuit, a time delay circuit, a relay circuit, a capacitance circuit, a primary voltage circuit, a secondary step-down current-limiting circuit and a time-delay cut-off circuit characterizing that said secondary step-down current-limiting circuit parallel to capacitor C1 and the time delay cut off circuit is serial between the primary circuit L1 and L2 used in daylight lamps, sodium lamps, halogen lamps and Hg lamps.

Description

Intelligent protective lighting power saving device

(1) technical field under

The present invention relates to a kind of single phase alternating current (A.C.) microcomputer-recognized intelligent control protective lighting power saving device, belong to electronics, electric capacity general field.

(2) background technology

At present, home and abroad no matter, electrical network is provided with parameter program, and ordinary circumstance (street lamp) voltage lies prostrate the workflow process up to 240-250: must use high voltage, heavy current starts (load is big, and route is long).So the start-up circuit voltage and current is all higher bigger, do not match with the electric lighting actual power, the actual power of distributing heat energy with lighting is not directly proportional, and causes a large amount of wastes of electric energy and light fixture, and line voltage is if exceed 5% operation that voltage is set, will cause the load utensil overheated, heat energy discharges slowly, and ratio is not directly proportional, and has shortened the useful life of light fixture and power consumption equipment, serious can also burn out components and parts, and causes unnecessary loss.

(3) summary of the invention

The present invention is in order to remedy the deficiencies in the prior art, a kind of intelligent protective lighting power saving device is provided, it provides the high voltage heavy current to activate sodium vapor lamp, halogen lamp, mercury lamp, fluorescent lamp etc. in the time of realizing startup such as street lamp and inductance type fluorescent tube, activating inert gas utilizes fluorescent material gelatinization effect luminous, provide the step-down current limliting after the startup, filtering etc.

The present invention is achieved through the following technical solutions:

A kind of intelligent protective lighting power saving device, it comprises switching circuit, the attached power rectifier circuit that helps, delay circuit, relay circuit, condenser network, the primary voltage circuit, secondary step-down current-limiting circuit, the time-delay open circuit, its special character is: described secondary step-down current limliting electrical equipment by capacitor C 1 be serially connected between primary circuit L1 and the L2 circuit after the open circuit KA1 that delays time is in parallel.

Intelligent protective lighting power saving device of the present invention, described switching circuit is the full-automatic switch circuit, go up with the common port L1 that load is connected to relay circuit KA1, C1, L1 is connected time switch again to output, perhaps is the street lamp time switch circuit of being made up of microcomputer time switch and capacitor C 1, KA1 normally-closed contact.

The present invention is less than the voltage of keeping of starting resistor, and according to the requirement in brightening city, the adjustment of carrying out power saving rate is (by the programming of microcomputer program; morning, step-down current limliting once more reached purpose of saving preferably when the few people of vehicle is rare); can also protect light fixture, prolong the useful life of light fixture.

The invention has the beneficial effects as follows: carry out (and string) circuit owing to increased electric capacity, also said, capacitor C 1 is given the normally closed parallel connection of KA1; Said string, when the KA1 time-delay disconnected, capacitor C 1 is connected on carried out secondary step-down, current limliting, filtering on the circuit.Owing to increased secondary step-down limiting filter circuit and KA1, normally closed time-delay open circuit.

After above-mentioned two circuit parallel connections, string is at primary voltage circuit and KA1, C1, between (circuit L1, L2).Be applied in aspects such as fluorescent lamp, sodium vapor lamp, halogen lamp, mercury lamp, carry out step-down, current limliting, filtering compensation, improve power factor 0.99, economize on electricity 25-40% can also the better protect light fixture, prolongs the useful life of light fixture device.

(4) description of drawings

The present invention is further illustrated below in conjunction with accompanying drawing.

Fig. 1 is a circuit block diagram of the present invention.

Fig. 2, Fig. 3, Fig. 4 are schematic diagram of the present invention.

Fig. 5 is a kind of switching circuit of the present invention.

(5) embodiment

Accompanying drawing is a kind of specific embodiment of the present invention.This embodiment such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, by switching circuit, the attached power rectifier circuit that helps, delay circuit, relay circuit, condenser network, primary power source circuit, secondary step-down current-limiting circuit, compositions such as time-delay open circuit, supply voltage offers the attached power rectifier circuit that helps, the cooperation secondary step-down current limliting of delay circuit to the common point L1 of switch to relay, the height of control output voltage (the attached power supply that helps is seen Fig. 3) switching circuit, the attached power circuit that helps, relay circuit, condenser network, delay circuit, primary voltage circuit, and the connected mode of secondary circuit, oneself is known by those of ordinary skill in the present technique field.

Secondary step-down current limliting electrical equipment by capacitor C 1 and time-delay open circuit KA1, is serially connected in after the parallel connection between primary circuit L1 and the L2 circuit.

Its course of work is:

When connecting 220 volts of AC power, supply voltage through operating switch KC or KD behind the common point L1 of the relay of wiring board, behind the primary voltage circuit via KA1, C1 composition, respectively (power supply to the attached control power circuit that helps carry out rectification delay circuit Fig. 3) provides high voltage to start by time-delay KA1 normally-closed contact to load, behind the starting load, the normally closed KA1 that delays time disconnects, electric current carries out secondary step-down current limliting through capacitor C 1, provide the voltage of keeping to load, implemented the filtering of step-down current limliting to reach the purpose of economize on electricity less than starting resistor.

In order to realize functionalization, switching circuit can have following form:

KC on Fig. 2 is the microcomputer time switch, and the KD on Fig. 3 is microcomputer light-operated switch (Fig. 5 indicates).

Two kinds of switch form are switching circuit of the present invention:

1 this switching circuit is used for the circuit of street lamp heavy load, and it is controlled by microcomputer K switch C, KD, and operating time of street lamp uses.

2, this switch form also can be made in this technology on the wiring board and control, and the present technique field personnel all know, and is widely known by the people.

Described following switch working procedure:

It is normally closed by microcomputer K switch C, KD and KA1, and capacitor C 1 is formed, and L1 is connected on the output of KC, KD, and zero line N is connected after the load or connects respectively on the attached common point that helps power supply N, and the microcomputer switch is an automatic control mode, and those skilled in the art know.

Resistance R 1 on Fig. 3 is a discharge resistance; when quitting work, electricity-saving appliance carries out discharge prevention to C1; microcomputer time switch (KG316T) has automatic, manual two kinds of functions for timing is able to programme; its course of work is: KT time-delay relay action after the KC closure; through delay circuit; after the adjustment time of relay defined, the parameter value that KA1 normally-closed contact action (disconnection) is adjusted by capacitor C 1 carries out the step-down current limliting and keeps power save mode.

When time-delay relay KT normally-closed contact disconnects, the action of the delayed contact of KT1, KT2, KA adhesive (KA1 disconnects the KA2 closing of contact) electricity-saving appliance enters electricity-saving state.

The primary power source circuit that the KA1 time-delay is normally closed and capacitor C 1 is formed is as the start-up parameter value of electricity-saving appliance and load in fact, and the parameter value of secondary step-down current limliting is adjusted to after disconnecting in the KA1 contact, thereby reaches the purpose of economize on electricity.

Fig. 5 is a KD switching circuit light-controlled switching circuit of the present invention, light-operatedly carries out work according to light intensity, if any illumination, turn-off about one minute of switch, and behind unglazed photograph, identification in about about the five minutes connection that returns to form, break-make illumination is generally 25LX ± 5LX.

More than two kinds of switching manipulation control methods, be widely known by the people those skilled in the art, its method of attachment is simple.

Intelligent protective lighting power saving device, volume is little, and is in light weight, the noiselessness non-environmental-pollution, cost is low, and is easy to operate, safe and reliable, and power savings is good, and its electricity-saving appliance great advantage can be protected light fixture, and device prolongs light fixture device useful life more than one times.

Can design one of every light pole of miniature electricity-saving appliance.

Claims

1. intelligent protective lighting power saving device, it comprises switching circuit, the attached power rectifier circuit that helps, delay circuit, relay circuit, condenser network, the primary voltage circuit, secondary step-down current-limiting circuit, the time-delay open circuit is characterized in that: described secondary step-down current limliting electrical equipment by capacitor C 1 be serially connected between primary circuit L1 and the L2 circuit after the open circuit KA1 that delays time is in parallel.

2. intelligent protective lighting power saving device according to claim 1, it is characterized in that: described switching circuit is the full-automatic switch circuit, go up with the common port L1 that load is connected to relay circuit KA1, C1, L1 is connected time switch again to output, perhaps is the street lamp time switch circuit of being made up of microcomputer time switch and capacitor C 1, KA1 normally-closed contact.