CN103024970A

CN103024970A - Intelligent electricity-saving system for classroom illumination

Info

Publication number: CN103024970A
Application number: CN201110286168XA
Authority: CN
Inventors: 毛振刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-24
Filing date: 2011-09-24
Publication date: 2013-04-03

Abstract

The invention relates to an intelligent electricity-saving system for classroom illumination. The intelligent electricity-saving system is mainly characterized by comprising a remote controller, a remote controller receiving module, a power supply module, a pyroelectric infrared human-body sensor module, an electric field sensing and exploring module, an ambient light detection module, a main control module, a light driving module, a voice module, a system clock module, a watchdog module, and the like, wherein the remote controller receiving module, a power supply, the pyroelectric infrared human-body sensor module, the electric field sensing and exploring module, the ambient light detection module, the light driving module, the voice module, the system clock module and the watchdog module are respectively connected with the main control module. The intelligent electricity-saving system disclosed by the invention integrally applies the pyroelectric infrared human-body sensor module, the electric field sensing module and the ambient light detection module and realizes that a lamp positioned in a doorway area is lightened if only a person enters the doorway area and lamps positioned in the other areas of a classroom are lightened after the person finds a fixed position. The system is started when the ambient light brightness is sufficient, and is closed when the ambient light brightness is insufficient, thus avoiding shortened service lives of lamps due to repeated turning on/off.

Description

The classroom illumination Intelligent power saving system

Technical field

The invention belongs to the power-type multiple safety protection intelligent electricity-saving system field, especially a kind of classroom illumination Intelligent power saving system.

Background technology

Along with the development of China's educational undertaking, the Educational Facility Lighting power consumption is increasing, and energy loss also increases thereupon.The Lighting Control Assembly in present most of classrooms all is to adopt traditional manual (opening and close two kinds) control mode, wasting phenomenon is more serious, although the switch in the classroom can be realized subregion control, but which bank light few people remove to be concerned about and which switch to go control by, therefore so-called altar lamp phenomenon has just appearred, so for a long time, the electric energy of waste is very surprising virtually, at present, the classroom illumination energy conserving system is a lot, but when mostly having the people and walking about in the classroom, passes different zones, the phenomenon of frequent switch will appear in lamp, has so greatly shortened the useful life of lamp.

Summary of the invention

The object of the invention is to overcome the deficiencies in the prior art, with pyroelectric infrared human body sensor assembly, electric field sensing module, surround lighting detection module in conjunction with utilization, it is namely bright to realize that the doorway area lights has the people to enter, and other area lights of classroom are just bright after the people finds the fixed position; Illuminator did not start when ambient brightness was sufficient, and ambient brightness such as just starts at the function when low, and the life-span of having avoided the frequent switch of lamp to cause shortens.

The present invention solves its technical problem and takes following technical scheme to realize:

Formed by remote controller, remote controller receiver module, power module, pyroelectric infrared human body sensor assembly, electric field sensing detecting module, surround lighting detection module, main control module, light driver module, voice module, system clock module, watchdog module etc.; Wherein, remote controller receiver module, power supply, pyroelectric infrared human body sensor assembly, electric field sensing detecting module, surround lighting detection module, light driver module, voice module, system clock module, watchdog module link to each other with main control module respectively.

And, described main control module adopts AT89C2051 as main control chip, this device adopts high density, nonvolatile storage technologies production, compatibility standard MCS-51 command system, 8 central processing units of sheet built-in general-purpose and Flash memory cell, 2K byte flicker internal memory able to programme, secondary interrupt priority level, full duplex serial port, 15 programmable I/O mouths, 2 16 bit timing devices, counter, directly driving LED shows.

And, described pyroelectric infrared human body sensing module adopts infrared sensor, and for only responsive to human infrared radiation, show up in its radiation and to be coated with your filter of special luxuriant and rich with fragrance mud, and install delay circuit additional in the pyroelectric infrared human body sensing module, after human body left this zone, lantern festival postponed 60 ~ 80S and extinguishes.

And described electric field sensing detecting module adopts electric-field sensor MC33794 to cooperate the various software designing technique, adopts good numerical computation method, according to parameter accurate Calculation three-dimensional body position and the size of 9 path electrodes.

And described voice module comprises WT588D model speech chip and loud speaker.

Advantage of the present invention and good effect are:

1, the present invention adopts the electric field sensing detecting module, give full play to the function of MC33794, embody the unique function of Multi-path electricity field sensor, adopting cheap low-power universal MCU MC68HC908AP64 to carry out data processes, cost is lower, realize " Based Intelligent Control " by the mathematics fuzzy theory, accomplish to have detected the people and the time in the zone surpass 20s that the lamp in this zone just can be bright.

2, zone, doorway, classroom of the present invention uses the infrared sensing principle, be sensed as full-automatic mode, when the people enters induction range output high level (high 3.3V), when the people leaves induction range then automatic time delay close high level, input low level (low 0.3V), its high-low level is beneficial to collection.

3, the present invention combines system clock module and voice module, system clock module adds hardware clock circuit at original traditional clock chip, it read clock once every one minute, with proof time, guarantee the intellectuality operation of system, simultaneously, can arrange the time of system's opening and closing every day, during 15min, voice module can remind the classmate in the classroom to leave the classroom before turning off the light before closing.

4, the present invention utilizes watchdog module, in the situation of single chip microcomputer halt, produces a reset signal to single-chip microcomputer, makes monolithic processor resetting, rerun routine.

Description of drawings

Fig. 1 is that system of the present invention connects block diagram.

Embodiment

Below in conjunction with accompanying drawing the embodiment of the invention is further described:

As shown in Figure 1, the intelligent power saving apparatus of a kind of classroom illumination of the present invention is comprised of remote controller, remote controller receiver module, power module, pyroelectric infrared human body sensor assembly, electric field sensing detecting module, surround lighting detection module, main control module, light driver module, voice module, system clock module, watchdog module etc.; Wherein, remote controller receiver module, power supply, pyroelectric infrared human body sensor assembly, electric field sensing detecting module, surround lighting detection module, light driver module, voice module, system clock module, watchdog module link to each other with main control module respectively.

According to shown in Figure 1, operation principle of the present invention is further elaborated: each universities and colleges can be divided into several zones according to the classroom size, time of opening and closing of initialization system as required also, after system opens, when the surround lighting detection module detects light when foot, drive circuit in the master control module controls light driver module disconnects, and lamp can be not bright; When if the surround lighting detection module detects insufficient light, if someone enters the classroom, the pyroelectric infrared human body sensor assembly detects the someone and enters, classroom front region lamp starts, enter the classroom after, the lamp of front region is under the effect of delay circuit, can postpone 60 ~ 80s after the people leaves this zone extinguishes, and the electric field sensing detecting module that install in several zones, the inside, human body arrives certain zone and surpasses 20s, and this regional lamp starts; When the front 15min that system will close, main control module is passed to voice module with signal, and voice module can remind the people in the classroom to leave the classroom before turning off the light; Also be provided with manually in the time of the intelligent control of this classroom lighting system and remote controller control, remote controller sends control signal to main control module by the remote controller receiver module, when breaking down once in a while in system like this or in particular cases, can adopt manual control, be unlikely to affect the normal use of classroom lighting.

It is emphasized that; embodiment of the present invention is illustrative; rather than determinate; therefore the present invention is not limited to the embodiment described in the embodiment; every other execution modes that drawn by those skilled in the art's technical scheme according to the present invention belong to the scope of protection of the invention equally.

Claims

1. a classroom illumination Intelligent power saving system is characterized in that: be comprised of remote controller, remote controller receiver module, power module, pyroelectric infrared human body sensor assembly, electric field sensing detecting module, surround lighting detection module, main control module, light driver module, voice module, system clock module, watchdog module etc.; Wherein, remote controller receiver module, power supply, pyroelectric infrared human body sensor assembly, electric field sensing detecting module, surround lighting detection module, light driver module, voice module, system clock module, watchdog module link to each other with main control module respectively.

2. classroom illumination Intelligent power saving system according to claim 1, it is characterized in that: described main control module adopts AT89C2051 as main control chip, this device adopts high density, nonvolatile storage technologies production, compatibility standard MCS-51 command system, 8 central processing units of sheet built-in general-purpose and Flash memory cell, 2K byte flicker internal memory able to programme, secondary interrupt priority level, full duplex serial port, 15 programmable I/O mouths, 2 16 bit timing devices, counter, directly driving LED shows.

3. classroom illumination Intelligent power saving system according to claim 1, it is characterized in that: described pyroelectric infrared human body sensing module adopts infrared sensor, and for only responsive to human infrared radiation, show up in its radiation and to be coated with your filter of special luxuriant and rich with fragrance mud, and install delay circuit additional in the pyroelectric infrared human body sensing module, after human body left this zone, lantern festival postponed 60 ~ 80S and extinguishes.

4. classroom illumination Intelligent power saving system according to claim 1, it is characterized in that: described electric field sensing detecting module adopts electric-field sensor MC33794 to cooperate the various software designing technique, adopt good numerical computation method, according to parameter accurate Calculation three-dimensional body position and the size of 9 path electrodes.

5. classroom illumination Intelligent power saving system claimed in claim 1, it is characterized in that: described voice module comprises WT588D model speech chip and loud speaker.