CN104837242A - Classroom illumination energy-saving control apparatus and control method thereof - Google Patents
Classroom illumination energy-saving control apparatus and control method thereof Download PDFInfo
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- CN104837242A CN104837242A CN201510176421.4A CN201510176421A CN104837242A CN 104837242 A CN104837242 A CN 104837242A CN 201510176421 A CN201510176421 A CN 201510176421A CN 104837242 A CN104837242 A CN 104837242A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
Provided is a classroom illumination energy-saving control apparatus which comprises a casing, a card swiping area, a light intensity detecting chip, a display area, and a key area. The key area is located on the lower part of the top surface of the casing. The display area is arranged over the key area. The card swiping area is arranged over the display area. The light intensity detecting chip is arranged on a side of the card swiping area. According to the classroom illumination energy-saving control apparatus, an RFID module counts people in a classroom and the high-precision light intensity detecting chip TSL230 detects illuminance in the classroom. If light is sufficient in the classroom, illuminating lamps are not turned on no matter whether students swipe cards. Students acquires electricity by swiping cards taken by them in dark days or at self-study at night and a controller determines the number of lightened lamps in the classroom according to the number of students swiping cards. The classroom illumination energy-saving control apparatus is simple in structure and good in practicality, achieves a purpose of supplying power as required, saves electric energy for colleges, and is suitable for being popularized and used in the colleges.
Description
Technical field
The present invention relates to lighting control technique field, be specifically related to a kind of energy saving controller for classroom illumination.
Background technology
At present, the classroom illumination power consumption of colleges and universities is huge, but lacks corresponding illumination management system, causes energy waste very serious.Such as, well-lighted daytime opens " altar lamp " also, and empty or very few several people " is bright lit " also to the classroom that evening is of such a size.This phenomenon causes school's waste of energy, and economic loss is serious.
Realize the Energy Saving Control of classroom illumination, the most primary problem wants the statistics of detection and the classroom number that can complete indoor illumination.Luminous intensity is detected, according to " the standard for lighting design of buildings GB 50034-2004 " of the up-to-date promulgation of country, in the regulation large area public illumination place such as classroom, reading room, brightness value must not, lower than 300lx, can adopt the high light-to-frequency converter of precision comparison to replace traditional light-sensitive device to carry out measures of quantization to illuminance.The current programme detected for human body signal mainly contains following two kinds: one is by classroom integrally, the number in classroom is entered by the pyroelectric infrared sensor statistics being arranged on doorway, classroom, if classroom light intensity is not enough, just turn on the lamp of respective numbers according to the number entered in classroom.This scheme cost is low, and design is convenient, but accuracy of detection is low, is just difficult to normal counting, causes energy-saving effect poor when crowded or the continuous situation of the stream of people appear in doorway, classroom.First scheme is that classroom is divided into several region, in each region, a pyroelectric detector is installed, number information in search coverage, the lamp whether turning on this region is determined according to light intensity signal in the human body information calmodulin binding domain CaM detected, although this scheme makes moderate progress than the first scheme, but still the problem that existence one is maximum: whether pyroelectric sensor only can human body exist, and cannot number information in quantitative statistics region, when classroom number will be caused like this to disperse, opened many lamps, cause unnecessary waste.And pyroelectric sensor itself can be subject to the interference of temperature, light source, especially ambient temperature and human body temperature close to time, sensitivity obviously declines, and sometimes causes malfunctioning in short-term, causes control to cause confusion, and cannot reach desirable Energy Saving Control effect.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of structure, the energy saving controller for classroom illumination of energy-conserving and environment-protective.
Technical problem to be solved by this invention realizes by the following technical solutions:
A kind of energy saving controller for classroom illumination, comprise casing, region of swiping the card, light-intensity test chip, viewing area and key area, described key area is positioned at casing upper surface bottom, top, described key area is viewing area, top, described viewing area is region of swiping the card, described in side, region of swiping the card be light-intensity test chip;
Single-chip microcomputer is built-in with at described casing internal, and RFID radio frequency identification module, clock module, light-intensity test module, key-press module circuit, display module circuit and the relay drive circuit to be connected with single-chip microcomputer, described light-intensity test module connects light-intensity test chip, described key-press module circuit connects key area, described display module circuit connects viewing area, and described relay drive circuit connects lighting load.
The control method of above-mentioned control device is: utilize RFID radio frequency identification module calculating number of people in classroom, light-intensity test module detects classroom illumination degree in real time, if illuminance is greater than 300lx, and classroom there is no lamp unlatching, no matter whether student swipes the card, and illuminating lamp is not all opened; If illuminance is less than 300lx, and now someone swipes the card, open first group of illuminating lamp in classroom, someone enters classroom and swipes the card again, and the number of entering is when exceeding the number threshold value of setting, turn on second group, classroom lamp, by that analogy, until turn on all lamps in classroom, if illuminance is greater than the illuminance that 300lx+ illuminating lamp produces, close the lamp in classroom; The present invention also has memory, storage, timing and anti-repetition function of swiping card.
Accumulative classroom number of swiping the card deliberately is repeated for preventing student, the IC-card collected No. ID stores by the present invention, and often gather one No. ID ID just and in memory and compare, difference is accumulated number then, and new No. ID is put in holder, and identical, be left intact.
The also bright phenomenon of lamp is walked for preventing people, this invention takes the method for timing, also record together with the charge time of this IC-card when often storing one No. ID, after exceeding certain hour, such as one hour, system automatically by this No. ID from memory release, and classroom number is subtracted 1, controller according to current classroom number from newly determining bright light number.To power taking, need again swipe the card.If all IC-card charge times, classroom lamp went out full when all exceeding the time threshold of setting.Time threshold is arranged flexibly by the keyboard of 4 × 3, is accurate to minute.
This arranges function and is provided with cryptoguard, can arrange after Password Input is correct.LCD LCD MODULE shows current classroom number and time in real time.
The invention has the beneficial effects as follows: the present invention utilizes RFID radio frequency identification module calculating number of people in classroom, high-precision luminous intensity measurement integrated chip TSL230 detects classroom illumination degree, if classroom is bright and clear, no matter whether student swipe the card, and illuminating lamp is not all opened; If the daytime that light is darker or self-study at night, student to be swiped the card power taking by the campus card carried with, and controller determines classroom bright light number according to the number of swiping the card counted on.Structure is simple, practical, reach the object of powering as required, for colleges and universities have saved electric energy, is beneficial to and applies in colleges and universities.
Accompanying drawing explanation
Fig. 1 is contour structures schematic diagram of the present invention;
Fig. 2 is present system theory diagram;
Fig. 3 is circuit theory diagrams of the present invention;
Fig. 4 is single-chip minimum system figure of the present invention;
Fig. 5 is light-intensity test module circuit diagram of the present invention;
Fig. 6 is RFID radio frequency identification module of the present invention, display module, clock module and key-press module schematic diagram;
Fig. 7 is invention relay driver module circuit;
Fig. 8 is present system main program algorithm control chart;
Fig. 9 is serial ports interruption subroutine flow chart of the present invention.
Embodiment
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the present invention further.
See Fig. 1-9, a kind of energy saving controller for classroom illumination, comprise casing 1, region 2 of swiping the card, light-intensity test chip 3, viewing area 4 and key area 5, key area 5 is positioned at casing 1 upper surface bottom, top, key area 5 is viewing area 4, top, viewing area 4 is region 2 of swiping the card, and side, region 2 of swiping the card is light-intensity test chip 3;
Single-chip microcomputer is built-in with in casing 1 inside, and RFID radio frequency identification module, clock module, light-intensity test module, key-press module circuit, display module circuit and the relay drive circuit to be connected with single-chip microcomputer, described light-intensity test module connects light-intensity test chip, key-press module circuit connects key area, display module circuit connects viewing area, and relay drive circuit connects lighting load;
Method of work: utilize RFID radio frequency identification module calculating number of people in classroom, light-intensity test module detects classroom illumination degree in real time, if illuminance is greater than 300lx, and classroom there is no lamp unlatching, and no matter whether student swipes the card, and illuminating lamp is not all opened; If illuminance is less than 300lx, and now someone swipes the card, and opens first group of illuminating lamp in classroom, then has people to enter classroom to swipe the card, and when the number of entering exceedes the number threshold value of setting, turns on second group, classroom lamp, by that analogy, until turn on all lamps in classroom.If illuminance is greater than the illuminance that 300lx+ illuminating lamp produces, close the lamp in classroom.The present invention also has memory, storage, timing and anti-repetition function of swiping card.
Accumulative classroom number of swiping the card deliberately is repeated for preventing student, the IC-card collected No. ID stores by the present invention, and often gather one No. ID ID just and in memory and compare, difference is accumulated number then, and new No. ID is put in holder, and identical, be left intact.
The also bright phenomenon of lamp is walked for preventing people, this invention takes the method for timing, also record together with the charge time of this IC-card when often storing one No. ID, after exceeding certain hour, such as one hour, system automatically by this No. ID from memory release, and classroom number is subtracted 1, controller according to current classroom number from newly determining bright light number.To power taking, need again swipe the card.If all IC-card charge times, classroom lamp went out full when all exceeding the time threshold of setting.Time threshold is arranged flexibly by the keyboard of 4 × 3, is accurate to minute.
This arranges function and is provided with cryptoguard, can arrange after Password Input is correct.LCD LCD MODULE shows current classroom number and time in real time.
In schematic diagram, the output pin OUT of optical frequency conversion chip TSL230 accesses an input pin A1 of this schmitt trigger 74HC14, and the output pin Y1 of 74HC14 accesses single-chip microcomputer C8051F020 timer pin P1.0.
RFID radio frequency identification module serial ports TXD, RXD connect respectively at RXD, TXD of single-chip microcomputer.SCLK, I/O of clock chip DS1302 are connected with P0.4 with P0.2, P0.3 of single-chip microcomputer respectively with RST pin.The row pin of 4*3 keyboard is connected with P7.0, P7.1, P7.2 and P7.3 pin of single-chip microcomputer, and row pin is connected with P7.4, P7.5 and P7.6 of single-chip microcomputer.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (2)
1. an energy saving controller for classroom illumination, it is characterized in that: comprise casing, region of swiping the card, light-intensity test chip, viewing area and key area, described key area is positioned at casing upper surface bottom, top, described key area is viewing area, top, described viewing area is region of swiping the card, described in side, region of swiping the card be light-intensity test chip;
Single-chip microcomputer is built-in with at described casing internal, and RFID radio frequency identification module, clock module, light-intensity test module, key-press module circuit, display module circuit and the relay drive circuit to be connected with single-chip microcomputer, described light-intensity test module connects light-intensity test chip, described key-press module circuit connects key area, described display module circuit connects viewing area, and described relay drive circuit connects lighting load.
2. the control method of control device described in a claim 1, it is characterized in that: utilize RFID radio frequency identification module calculating number of people in classroom, light-intensity test module detects classroom illumination degree in real time, if illuminance is greater than 300lx, and classroom there is no lamp unlatching, no matter whether student swipes the card, and illuminating lamp is not all opened; If illuminance is less than 300lx, and now someone swipes the card, open first group of illuminating lamp in classroom, someone enters classroom and swipes the card again, and the number of entering is when exceeding the number threshold value of setting, turn on second group, classroom lamp, by that analogy, until turn on all lamps in classroom, if illuminance is greater than the illuminance that 300lx+ illuminating lamp produces, close the lamp in classroom; Display module shows current classroom number and time in real time;
Accumulative classroom number of swiping the card deliberately is repeated for preventing student, the IC-card collected No. ID stores by single-chip microcomputer, and often gather one No. ID ID just and in memory and compare, difference is accumulated number then, and new No. ID is put in holder, and identical, be left intact;
The also bright phenomenon of lamp is walked for preventing people, also record together with the charge time of this IC-card when taking often to store one No. ID, after exceeding certain hour, this No. ID discharges from memory by system automatically, and classroom number is subtracted 1, controller, need be swiped the card from newly determining bright light number to power taking again according to current classroom number; If all IC-card charge times, classroom lamp went out full when all exceeding the time threshold of setting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510176421.4A CN104837242A (en) | 2015-04-14 | 2015-04-14 | Classroom illumination energy-saving control apparatus and control method thereof |
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| CN201510176421.4A CN104837242A (en) | 2015-04-14 | 2015-04-14 | Classroom illumination energy-saving control apparatus and control method thereof |
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Cited By (5)
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| CN107846760A (en) * | 2017-09-25 | 2018-03-27 | 合肥艾斯克光电科技有限责任公司 | A kind of urban cells pavement intelligent illuminating system based on safety management |
| CN108184303A (en) * | 2018-02-09 | 2018-06-19 | 天津大学 | A kind of intelligent energy-saving control device based on classroom compartmentalization illumination |
| CN108617062A (en) * | 2018-03-22 | 2018-10-02 | 河南科技大学 | A kind of University Classroom's illuminating energy-saving control system and control method |
| CN111023463A (en) * | 2019-12-10 | 2020-04-17 | 杭州典科科技有限公司 | Office electricity energy-saving control system |
| CN111487891A (en) * | 2020-05-13 | 2020-08-04 | 常州常工电子科技股份有限公司 | Public classroom energy-saving monitoring system and control method |
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| CN108617062A (en) * | 2018-03-22 | 2018-10-02 | 河南科技大学 | A kind of University Classroom's illuminating energy-saving control system and control method |
| CN111023463A (en) * | 2019-12-10 | 2020-04-17 | 杭州典科科技有限公司 | Office electricity energy-saving control system |
| CN111487891A (en) * | 2020-05-13 | 2020-08-04 | 常州常工电子科技股份有限公司 | Public classroom energy-saving monitoring system and control method |
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Application publication date: 20150812 |