CN204859630U

CN204859630U - LED energy -saving control circuit of energy -conserving light -operated illumination

Info

Publication number: CN204859630U
Application number: CN201520469211.XU
Authority: CN
Inventors: 李忠; 王运强
Original assignee: Leshan Gold Phoenix Lamp Electric Appliance Co Ltd
Current assignee: Leshan Gold Phoenix Lamp Electric Appliance Co Ltd
Priority date: 2015-07-02
Filing date: 2015-07-02
Publication date: 2015-12-09
Anticipated expiration: 2025-07-02

Abstract

The utility model relates to a LED energy -saving control circuit of energy -conserving light -operated illumination mainly comprises ambient brightness detector, single -chip module, LED lighting module and two sets of infrared detection subassembly, two infrared detection subassemblies that tie for are used for surveying indoor number and are connected with single -chip module, and the ambient brightness detector is used for detecting the power of indoor light, then will survey data transfer and give single -chip module, and single -chip module controls LED lighting module according to the result, infrared detection module comprises infra -red transmitter, infrared receiver, and the infra -red transmitter in this device adopts infrared ray LED, and the receiver adopts phototransistor. The utility model discloses it is main based on the infrared induction principle to the indoor number that the singlechip comes the two infrared detector side by side of record to detect, and add the ambient light and survey the module just starts LED energy saving lighting device, thereby realizes the energy -conserving and convenient purpose that combines together under dark and indoor someone circumstances of indoor light.

Description

The LED energy-saving control circuit of energy-saving photo-controlled illumination

Technical field

The utility model relates to a kind of LED control field, especially a kind of LED control circuit of energy-saving photo-controlled illumination.

Background technology

Along with social economy and scientific and technical development, the problem of energy loss becomes increasingly conspicuous, the Based Intelligent Control of the indoor public places light such as China classroom or even incorporated business lacks and imperfection relatively, great majority are labor managements of traditional type, cause a lot of unnecessary waste of energy and economic loss, this waste and current ideas of energy-saving are disagreed.

But, because led is considered to the lighting source of 21 century.LED is cold light source, and light efficiency is high, and operating voltage is low, and energy consumption is low, and under same brightness, LED energy consumption is 10% of incandescent lamp, 50% of fluorescent lamp.The LED life-span can reach 100,000 hours, is 10 times of fluorescent lamp, 100 times of incandescent lamp.Incandescent lamp or fluorescent lamp is substituted with LED, environment friendly and pollution-free.Safe and reliable, be convenient to safeguard.China's electric consumption on lighting accounts for 12% of gross generation.At present, the lighting of public building controls mostly to adopt hand switch, often occurs the phenomenon not having timely switch, thus the inconvenience causing a large amount of energy wastes and use.In addition, unnecessary use, also can shorten the useful life of light fixture.In addition, along with the universal of computer technology, automaticity improves constantly, and the measure of automatic control lamp light is still necessary to implement very much; At present, on market, the existing various technology such as acoustic control, light-operated or even temperature control that utilize are to realize the product of this object, but they have respective deficiency, be easily subject to the impact of the factor such as noise, ambient temperature and cause the unnecessary unlatching of light to cause the waste of the energy.

Utility model content

The purpose of this utility model is to overcome the deficiencies in the prior art, in the LED control circuit that this provides a kind of energy-saving photo-controlled to throw light on; Mainly based on infrared induction principle, the occupancy that two and series infrared detector detects is recorded with single-chip microcomputer, and add ambient light detecting module, the just startup LED energy-saving illuminator when there is people the comparatively dark and indoor of indoor light, thus realize the energy-conservation object combined with facility.

The utility model is achieved in that the LED energy-saving control circuit of a kind of energy-saving photo-controlled illumination of structure, it is characterized in that: primarily of ambient brightness detector, one-chip computer module, LED illumination module and two groups of infrared acquisition assembly compositions; Two infrared acquisition assemblies arranged side by side are for detecting occupancy and being connected with one-chip computer module, ambient brightness detector is for detecting the power of indoor light, then send detection data to one-chip computer module, one-chip computer module controls LED illumination module according to result; Infrared detection module is made up of infrared transmitter, infrared remote receiver, and the infrared transmitter in this device adopts infrared LEDs, and receiver adopts phototransistor.

The utility model has the advantage of: the utility model, based on the principle of infrared induction, is detected number of people entering in room by two infrared beam interruption detector arranged side by side and is recorded in single-chip microcomputer, and controlling the Push And Release of LED illumination circuit according to the brightness of light in room; When indoor are darker, control system can accurately be accomplished " have thin and weak man bright, go out without thin and weak man ".Native system is mainly based on infrared induction principle, the occupancy that two and series infrared detector detects is recorded with single-chip microcomputer, and add ambient light detecting module, the just startup LED energy-saving illuminator when there is people the comparatively dark and indoor of indoor light, thus realize the energy-conservation object combined with facility.The operation of native system mainly relies on the detection of Infrared Detectors to human body and the control of single-chip microcomputer; Two Infrared Detectorss are placed in Men Nei and outdoors respectively, differentiate that people is into or out: be first just judged to be away by detector outdoors again by detector in door, contrary then be judged to be into. by the number in recording room, erroneous judgement can be prevented. in addition, the Push And Release of LED illumination circuit, also depend on the brightness of room light, light is secretly then opened, light is not opened, thus is meeting people and can avoid again easily simultaneously the waste of resource.

Accompanying drawing explanation

Fig. 1 infrared detection circuit schematic diagram

Fig. 2 ambient brightness detecting module schematic diagram

Fig. 3 is overall structure schematic diagram

Fig. 4 is control principle block diagram

Wherein: ambient brightness detector 1, one-chip computer module 2, LED illumination module 3, infrared acquisition assembly 4,5.

Embodiment

In order to overcome the deficiencies in the prior art, below in conjunction with accompanying drawing 1-4, the utility model is described in detail, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

The utility model, by improving the LED energy-saving control circuit providing a kind of energy-saving photo-controlled to throw light at this, forms primarily of ambient brightness detector 1, one-chip computer module 2, LED illumination module 3 and two groups of infrared acquisition assemblies 4,5; Two infrared acquisition assemblies 4,5 arranged side by side are for detecting occupancy and being connected with one-chip computer module 2, ambient brightness detector 1 is for detecting the power of indoor light, then send detection data to one-chip computer module 2, one-chip computer module 2 controls LED illumination module 3 according to result; Infrared detection module is made up of infrared transmitter, infrared remote receiver, and the infrared transmitter in this device adopts infrared LEDs, and receiver adopts phototransistor.

The utility model, based on the principle of infrared induction, is detected number of people entering in room by two infrared beam interruption detector arranged side by side and is recorded in single-chip microcomputer, and controlling the Push And Release of LED illumination circuit according to the brightness of light in room; When indoor are darker, control system can accurately be accomplished " have thin and weak man bright, go out without thin and weak man ".Native system is mainly based on infrared induction principle, the occupancy that two and series infrared detector detects is recorded with single-chip microcomputer, and add ambient light detecting module, the just startup LED energy-saving illuminator when there is people the comparatively dark and indoor of indoor light, thus realize the energy-conservation object combined with facility.

The utility model infrared detection module: infrared beam interruption detector is made up of infrared transmitter, infrared remote receiver; infrared transmitter in this device is infrared LEDs; receiver is phototransistor; infrared detection circuit schematic diagram is as shown in Figure 1. and unmanned through detector, the 1 pin output low level of U2: A; Someone is through out-of-date, 1 pin of U2: A exports high level. and whole system is combinationally used by two infrared beam interruption detectors, in an infrared detection circuit amplifier U2: A 1 pin access 80C51 single-chip microcomputer the pin place of P1.0,1 pin access 80C51 single-chip microcomputer of another amplifier U2: A the pin place of P1.1.

One-chip computer module (80C51 single-chip microcomputer): the object that two combinations of detectors use in the entire system is exactly to judge that people to be into or out through detector actually, and by number record in single-chip microcomputer; Detector 1 is installed in door, detector 2 is arranged on outdoors, when people first through detector 1 again through detector 2 time, indicate that people goes out, the counting procedure of single-chip microcomputer inside can subtract 1 automatically; When people first through detector 2 again through detector 1 time, indicate that people comes in, the counting procedure of single-chip microcomputer inside can add 1 automatically; When the data in counter are 0, represent indoor unmanned, single-chip microcomputer can not open lighting circuit; When the data in counter are more than or equal to 1, represent that there is people indoor, single-chip microcomputer now will open lighting circuit. open lighting circuit and also have a prerequisite---the control of ambient brightness module, when external environment condition light is stronger, although indoor have people now also not open necessity of lighting circuit.

Ambient brightness detecting module: ambient brightness detecting module is mainly used for responding to the power of extraneous light, in order to avoid cause unnecessary waste; As shown in Figure 2, replace photo resistance with slide rheostat RV2, along with the enhancing of light, resistance reduces gradually in photo resistance, when extraneous light is stronger, and pin 1 output low level of LM358; When extraneous light is more weak, the pin 1 of LM358 exports high level, is then passed on the P1.2 pin of single-chip microcomputer.

Lighting circuit module: lighting circuit is in fact very simple, and directly connect LED illumination lamp on the P2.0 pin of single-chip microcomputer, connected mode can carry out serial or parallel connection according to actual conditions; The unlatching of circuit mainly controls by single-chip microcomputer, single-chip microcomputer can be high level at its P2.0 pin and data in counter are not 0 time just can open lighting circuit, represent light is more weak and indoor have the situation of people to open lighting circuit; By above 4 module integrated to being whole automatic lighting system together, as shown in Figure 3.

The operation of native system mainly relies on the detection of Infrared Detectors to human body and the control of single-chip microcomputer; Two Infrared Detectorss are placed in Men Nei and outdoors respectively, differentiate that people is into or out: be first just judged to be away by detector outdoors by detector in door again, be then judged to be on the contrary. by the number in recording room, erroneous judgement can be prevented; In addition, the Push And Release of LED illumination circuit, also depends on the brightness of room light, and ambient brightness detection is arranged within doors, and light is secretly then opened, and light is not opened, thus meet people easily while can avoid again the waste of resource.

To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims

1. a LED energy-saving control circuit for energy-saving photo-controlled illumination, is characterized in that: primarily of ambient brightness detector (1), one-chip computer module (2), LED illumination module (3) and two groups of infrared acquisition assembly (4,5) compositions; Two infrared acquisition assemblies (4,5) arranged side by side are for detecting occupancy and being connected with one-chip computer module (2), ambient brightness detector (1) is for detecting the power of indoor light, then detection data is sent to one-chip computer module (2), one-chip computer module (2) controls LED illumination module (3) according to result.

2. the LED energy-saving control circuit of energy-saving photo-controlled illumination according to claim 1, is characterized in that: infrared detection module is made up of infrared transmitter, infrared remote receiver, and infrared transmitter adopts infrared LEDs, and receiver adopts phototransistor.