CN103309273A - Power utilization and energy conservation automatic control device for schoolroom - Google Patents
Power utilization and energy conservation automatic control device for schoolroom Download PDFInfo
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- CN103309273A CN103309273A CN2012100799937A CN201210079993A CN103309273A CN 103309273 A CN103309273 A CN 103309273A CN 2012100799937 A CN2012100799937 A CN 2012100799937A CN 201210079993 A CN201210079993 A CN 201210079993A CN 103309273 A CN103309273 A CN 103309273A
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- classroom
- energy conservation
- schoolroom
- control device
- automatic control
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Abstract
The invention provides a power utilization and energy conservation automatic control device for a schoolroom. The power utilization and energy conservation automatic control device for the schoolroom consists of human body induction sensors, a phase discriminator, a ray sensor and a PLC (Programmable Logic Controller), wherein the phase discriminator is used for performing phase comparison on signals from the two human body induction sensors so as to discriminate whether a person enters into or leaves the classroom, if the result is to enter into the classroom, the total number of people in the classroom is increased by 1, otherwise the total number of people in the classroom is decreased by 1; the ray sensor is used for detecting the condition of ambient light, and the PLC is used for outputting instructions to control the quantity of working fans and lamps according to the number of people and the executive program of the ray sensor, so that the purpose of energy conservation is realized.
Description
Affiliated technical field
The present invention relates to a kind of classroom energy-saving electricity automaton, especially can automatically control the work of classroom consumer, to realize energy-conservation purpose.
Background technology
At present, the Kai Heguan of known classroom consumer such as daylight lamp, fan is that the people manually controls, find people from classroom in the reality seldom or the no one or daytime available light sufficient, fan and lamp are but all opened, and have caused the waste of the energy.
Summary of the invention
There is the problem of waste in order to remedy existing classroom electricity consumption, the invention provides a kind of energy-saving electricity automaton, can reach energy-conservation purpose according to the quantity that what and natural light situation of classroom number are controlled consumer work automatically.
The present invention solves the scheme that its technical matters adopts: adopt the classroom energy-saving electricity automaton that is comprised of human body sensor, phase detector, light sensor and PLC.Phase detector carries out the phase bit comparison to the signal from two human body sensors, enter the classroom or leave the classroom with identification, if enter the classroom then the classroom total number of persons add 1, otherwise subtract 1; The situation of light sensor ambient light, PLC realizes energy-conservation purpose according to the quantity of number and light sensor executive routine output order control fan and lamp work.
The invention has the beneficial effects as follows, simple in structure, easy to install, reliable operation, cost is low, favorable expandability, energy-saving effect is obvious.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Accompanying drawing is the structural map of one embodiment of the invention.
Embodiment
In the accompanying drawings, at correct position several light sensors are installed according to structure and the area in classroom, two human body sensors are installed before and after each doorway, the front and back certain distance that staggers.Each sensor is connected input interface connects with PLC, fan, daylight lamp are connect the output terminal of PLC.
In an embodiment shown in the drawings, during use, press the PLC starting switch, classroom energy-saving electricity automaton is started working.If at this moment the people is arranged successively successively through two human body sensors, then there is the leading or hysteresis on the phase place in the signal of two human body sensor generations, phase detector compares to identify to this signal and enters the classroom or leave the classroom, if enter the classroom then the counter among the PLC make the classroom total number of persons add 1, otherwise subtract 1; Light sensor also constantly inputs to PLC with detection signal, and PLC is according to the detection signal of number what and light sensor, and execution PLC program realizes the automatic control to daylight lamp and electric fan working quantity.
Claims (1)
1. a classroom energy-saving electricity automaton is characterized in that: be comprised of human body sensor, phase detector, light sensor and PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100799937A CN103309273A (en) | 2012-03-16 | 2012-03-16 | Power utilization and energy conservation automatic control device for schoolroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100799937A CN103309273A (en) | 2012-03-16 | 2012-03-16 | Power utilization and energy conservation automatic control device for schoolroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103309273A true CN103309273A (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100799937A Pending CN103309273A (en) | 2012-03-16 | 2012-03-16 | Power utilization and energy conservation automatic control device for schoolroom |
Country Status (1)
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| CN (1) | CN103309273A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201294666Y (en) * | 2008-11-18 | 2009-08-19 | 宋北光 | Electricity-saving illumination system |
| CN202502379U (en) * | 2012-03-16 | 2012-10-24 | 刘锋利 | Electric energy-saving automatic control apparatus for classroom |
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2012
- 2012-03-16 CN CN2012100799937A patent/CN103309273A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201294666Y (en) * | 2008-11-18 | 2009-08-19 | 宋北光 | Electricity-saving illumination system |
| CN202502379U (en) * | 2012-03-16 | 2012-10-24 | 刘锋利 | Electric energy-saving automatic control apparatus for classroom |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130918 |