CN203590540U

CN203590540U - Illumination energy-saving control system

Info

Publication number: CN203590540U
Application number: CN201320664298.7U
Authority: CN
Inventors: 杨宇祥; 张甫; 倪文文; 张雯; 杜芳玲; 王建英; 姚蕾; 李绒
Original assignee: Xian University of Technology
Current assignee: Xian University of Technology
Priority date: 2013-10-25
Filing date: 2013-10-25
Publication date: 2014-05-07
Anticipated expiration: 2023-10-25

Abstract

Provided is an illumination energy-saving control system which comprises a single chip microcomputer, an illumination sensor installed in a classroom, an infrared pyroelectric sensor installed at the classroom gate, and ultrasonic sensors and relays installed on lamp brackets. The illumination sensor detects the illumination in the classroom. The infrared pyroelectric sensor detects whether a person enters the classroom. The ultrasonic sensors monitor people at positions under lamps. The illumination sensor, the infrared pyroelectric sensor, the ultrasonic sensors, and the relays are connected with the pins of the single chip microcomputer. The single chip microcomputer controls illumination lamps in the classroom with the relays. According to the number of students in the classroom, the illumination energy-saving control system reasonably adjusts the illumination of fluorescent lamps in the classroom so as to prevent a case that all fluorescent lamps are turned on when no body or just a few students are in the classroom. The illumination energy-saving control system greatly saves electric energy and resolves a problem that a product in the prior art wastes electric energy and does not comply with a standard.

Description

Lighting energy saving control system

Technical field

The utility model belongs to lighting device technical field, relates to a kind of lighting energy saving control system.

Background technology

According to GB regulation, the power density of classroom illumination is about 10W/m ², the average area of supposing classroom is 100m ², lighting load is about 1kW.If be 15 hours normal service time of every day, so, every day, the power consumption in every classroom was 1kW × 15h=15kWh, and student's year is 270 days in school, and every classroom year power consumption is about 4050kWh.If school is according to 100m ²the classroom quantity of amounting to be 200, the electric consumption on lighting amount in 200 classrooms of annual school is 810,000 degree left and right.Relevant expert has calculated an account for this reason: if the unmanned rear powered-down switch not in time in classroom, more than therefore all colleges and universities in the preresearch estimates whole nation will waste 2,000,000,000 degree electricity every year.

If the power saving rate in 200 classrooms of a school calculates with average 30%, 24.3 ten thousand degree that can economize on electricity for a year, add up to the school can yuan left and right, power cost saving 15～200,000.More than estimation does not also comprise the unlatching for a long time of line loss and light fixture and the part of damage.From above calculating, can find out, classroom illumination is energy-conservation is never inappreciable, even single from economic benefit, is completely also well worth doing.And energy-conservation be a long-term income, the type society that always advocates thriftiness of country, advocates economical campus.The task of top priority of building economical campus is to save the energy that should not use, avoids waste.According to national Specification, classroom illumination on daytime is not less than 200lux, and night, illumination was not less than 150lux. from vision protection angle, reading a book for a long time lower than 150lux with under higher than 600lux illumination, impairs eye health.And the most of classroom of China illumination is all higher than standard, in addition the waste of thinking causes unnecessary expenditure, from economizing on resources, contribution to society and saving school expenditure expenditure many-side being considered, the economize on electricity problem of classroom's illumination has to mention in important agenda

Utility model content

The purpose of this utility model is to provide a kind of lighting energy saving control system, solves wasting energy and the non-compliant problem of illuminance of prior art existence.

The technical solution of the utility model is, lighting energy saving control system comprises sonac and the relay on the illuminance sensor of single-chip microcomputer, religion indoor location, the pyroelectric infrared sensor that installs on doorway, classroom, lamp bracket, installed; Illuminance sensor detects the illumination brightness in classroom, and pyroelectric infrared sensor monitoring classroom has people to enter, the people on sonac monitoring lamp upper/lower positions; Illuminance sensor, pyroelectric infrared sensor, sonac, relay are connected with single-chip microcomputer pin respectively, and single-chip microcomputer is taught indoor illumination by Control.

Feature of the present utility model is also:

On each bazooka, sonac is installed, with under monitoring light lamp among a small circle in locational people.

Also comprise pressure button, in case of emergency, press and force button to make all illuminating lamps complete bright or entirely go out.

The utlity model has following beneficial effect:

1, the utility model by the variation of transducer low and high level judge classroom whether have people and classroom intraoral illumination degree whether qualified, and rely on single-chip microcomputer to carry out the light on and off of Based Intelligent Control illuminating lamp, to meet, only have when light is inadequate, someone local lamp is bright, has reached electrical energy saving, has reduced the object that school expenditure pays wages.

2, the utility model adopts single-chip microcomputer to replace computer, application rpyroelectric infrared pyroelectric sensor, illuminance sensor and sonac are as front end signal collection, logic judgement and then output signal through single-chip microcomputer drive relay to realize the control to illuminating lamp, realized the Based Intelligent Control of illumination, make the illuminance can reach standard, and avoided light too by force or the too weak injury that student's eyes are caused.

Accompanying drawing explanation

Fig. 1 is the utility model lighting energy saving control system structural representation;

Fig. 2 is the utility model lighting energy saving control system workflow diagram;

In figure, 1 single-chip microcomputer, 2. illuminance sensor, 3. pyroelectric infrared sensor, 4. sonac, 5. relay.6. fluorescent lamp.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.

Lighting energy saving control system, the illuminance sensor 2 that comprises single-chip microcomputer 1, religion indoor location with the pyroelectric infrared sensor 3 that detects the illumination brightness, doorway, classroom in classroom and install judge that classroom has that people enters, sonac 4 is installed to detect under lamp interior locational people and relay 5 among a small circle on each lamp bracket; Illuminance sensor 2, pyroelectric infrared sensor 3, sonac 4, relay 5 are connected with single-chip microcomputer 1 pin respectively, as Fig. 1.The situation of taking a seat in classroom according to student, by the illumination of single-chip microcomputer 1 control relay 5 reasonable arrangement religion indoor illuminations.

First the utility model utilizes pyroelectric infrared sensor 3 to judge the classroom people that whether enters, when having people to enter, open sonac 4, by detecting the variation of distance, judge near some illuminating lamp fluorescent tubes whether have people, near have people's illuminating lamp fluorescent tube bright light.

The utility model is using single-chip microcomputer 1 as master control core, application pyroelectric infrared sensor 3, illuminance sensor 2 and sonac 4, as front end signal collection, drive relay 5 to realize the control to illuminating lamp through logic judgement and then the output signal of single-chip microcomputer 1.If urgent in the situation that, all fluorescent lamps all need to be extinguished or light, can press and force button to make all illuminating lamps complete bright or entirely go out.And this pressure button can not have influence on the normal operation of system.

Embodiment

1. at illuminance sensor 2 of religion indoor location, detect the illumination brightness in classroom, then result is passed to single-chip microcomputer 1, when illumination is qualified, export 1, when defective, export 0

2. a pyroelectric infrared sensor 3 is installed on doorway, classroom, and someone walks out-of-date its level and is uprised by low, according to this principle, judges that classroom has people to enter, counting that simultaneously also can be rough.

3. first test the detection angles of single sonac 4, setting height(from bottom), by height and goniometer, calculate the scope that its below can be detected, then allow people imitate and sit below lamp, when always having people and nobody range finding from variation, while providing people qualitatively, sonac 4 records the scope of distance, thereby according to distance, coding has judged whether people.

4. sonac 4 is installed on each lamp bracket, according to angle and spacing, arrange well, the people of any position in making to detect as far as possible under lamp among a small circle, on the basis that has people, the sonac 4 of installing under each fluorescent tube is started working, if the sonac 4 under any one fluorescent tube has detected people, just require this lamp bright.For the communication between sonac 4, adopt the method for expanding external interrupt.

5. comprehensive illuminance detects result and ultrasound examination result, pass to single-chip microcomputer 1 by signal, makes single-chip microcomputer 1 carry out logic judgement: only have when light is inadequate and have people in classroom, the residing position lamp of people is bright.Single-chip microcomputer 1 output signal drives relay 5 to open or close the light on and off of controlling fluorescent lamp 6.

6. this is external while detecting nobody, need to postpone just to turn off the light after 3～5 minutes.

Through experimental verification, sonac 4 is by receiving the distance that object can be detected exactly with reflection, and the ultimate range of measuring reaches 4, more than 5 meters, thus can by have people nobody time detect the difference of distance, set a scope, when surveyed distance is less than a certain value, just prove to have people.Because 4 scopes that can detect of sonac only have 15 degree cone angles, so need to being installed on fluorescent lamp 6 lamp brackets, multiple sonacs 6 just can be unlikely to occur very large blind area.

Referring to Fig. 2, first the utility model releases pyroelectric infrared sensor 3 sensings by heat has people to enter classroom, then which position by sonac 4, detects people specifically sits on, the result that comprehensive illuminance sensor 2 detects, signal is passed to single-chip microcomputer 1, thereby judgement drives relay 5 to control the light on and off of fluorescent lamp 6 through logic.

The situation that the utility model can be taken a seat according to student in classroom, the illumination of reasonable arrangement religion indoor daylight lamp, thus avoided the situation that fluorescent lamp is all opened when nobody or people are little, greatly saved electric energy.

Claims

1. lighting energy saving control system, is characterized in that: comprise sonac (4) and the relay (5) on pyroelectric infrared sensor (3) that the illuminance sensor (2), doorway, classroom of single-chip microcomputer (1), religion indoor location install, lamp bracket, installed; Illuminance sensor (2) detects the illumination brightness in classroom, and pyroelectric infrared sensor (3) monitoring classroom has people to enter, the people on sonac (4) monitoring lamp upper/lower positions; Described illuminance sensor (2), pyroelectric infrared sensor (3), sonac (4), relay (5) are connected with single-chip microcomputer (1) pin respectively, regulate the illumination of religion indoor illumination by single-chip microcomputer (1) control relay (5).

2. lighting energy saving control system as claimed in claim 1, is characterized in that: sonac (4) is installed, with locational people in monitoring under lamp among a small circle on each lighting lamp stand.

3. lighting energy saving control system as claimed in claim 1 or 2, is characterized in that: also comprise pressure button, in case of emergency, press and force button to make all illuminating lamps complete bright or entirely go out.