CN109219218A - A kind of colleges and universities' daylight light intelligent control system - Google Patents
A kind of colleges and universities' daylight light intelligent control system Download PDFInfo
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- CN109219218A CN109219218A CN201811308333.5A CN201811308333A CN109219218A CN 109219218 A CN109219218 A CN 109219218A CN 201811308333 A CN201811308333 A CN 201811308333A CN 109219218 A CN109219218 A CN 109219218A
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- 239000003990 capacitor Substances 0.000 claims description 24
- 238000002955 isolation Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 7
- 230000036760 body temperature Effects 0.000 abstract description 5
- 230000004438 eyesight Effects 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 206010006895 Cachexia Diseases 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 230000005616 pyroelectricity Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 208000016318 wasting Diseases 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- 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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention relates to lighting control technique field more particularly to a kind of colleges and universities' daylight light intelligent control systems, including central processing circuit, at least one infrared sensor cell and fluorescent lamp；The control system can be according to the size in classroom, reasonable layout one or more infrared sensor cell and fluorescent lamp, when infrared sensor cell detects someone in college teaching building, the fluorescent lamp that control system can be about to certainly in the region is opened when infrared sensor cell can't detect human body temperature, and central processing circuit just closes fluorescent lamp；One or more photoelectric sensing units also can be used to detect light intensity, central processing circuit protects the eyesight of student according to the luminous power of light intensity regulating fluorescent lamp.So can reach effective fluorescent lamp intelligentized control method, securely and reliably, the operation is stable, structure are simple, save electric energy.
Description
Technical field
The present invention relates to lighting control technique field more particularly to a kind of colleges and universities' daylight light intelligent control systems.
Background technique
Fluorescent lamp control principle is that human body has body temperature, can issue the infrared ray of specific wavelength 10UM or so, infrared probe
Exactly work by the infrared ray of the 10UM of detection human-body emitting or so.The infrared ray of the 10UM of human-body emitting or so is logical
It is gathered in infrared induction source after crossing your the optical filter enhancing of luxuriant and rich with fragrance mud.Infrared induction source generallys use pyroelectricity element, this element
Charge balance will be lost when receiving human infrared radiation temperature and changing, discharges charge outward, subsequent conditioning circuit is through examining
Control signal can be generated after survey processing.The brightness regulation of fluorescent lamp is not common regulating circuit but current regulating circuit.
Change the light and shade of fluorescent lamp by changing the size of current of fluorescent lamp.
Prior art fluorescent lamp all uses powerful lamp bead, and most of fluorescent lamps are only to realize simple illumination
Effect, it is all unified according to an Intensity LEDs regardless of whether road lighting needs how many light intensity, it cannot accomplish for specific
Situation makes differential responses, i.e., not smart enough to the control of lamp, and secondly the selection of fluorescent lamp and arrangement are also stereotyped, does not send out
Wave its maximum effect.It is special derived from application scenarios to study carefully its disadvantage main cause, if only one student of classroom, and intelligent control system
System only opens the light in that piece of region.
With the enlarging of major colleges and universities, classroom electricity consumption is continued to increase, and since light management aspect is incomplete, it causes
More and more wastings of resources, this is disagreed with the theory of building a conservation-minded society.Colleges and universities' intelligent illuminating system introduces advanced section
Technology, using electronic induction technology in lighting circuit because uncompensated load bring extra power consumption improves, Neng Goushi
The functions such as existing light adjusting, intelligent dimming, delays time to control, can provide more comfortable illumination for teachers and students in teaching building, promote to shine
Bright equipment management is more scientific and intelligent.
Summary of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of colleges and universities' daylight light intelligent control systems, when infrared sensing list
When member detects someone in college teaching building, infrared sensor cell is worked as in the fluorescent lamp unlatching that control system can be about to certainly in the region
When can't detect human body temperature, just fluorescent lamp is closed；Photoelectric sensing unit detection light intensity can be used to adjust the hair of fluorescent lamp
Optical power protects the eyesight of student.Safe and reliable, the operation is stable fluorescent lamp intelligentized control method can be reached as a result,.
To achieve the above object, the present invention adopts the following technical scheme that: a kind of colleges and universities' daylight light intelligent control system, packet
Include central processing circuit AT89C51, the control system further include: be electrically connected with the central processing circuit AT89C51 to
A few infrared sensor cell and fluorescent lamp, the infrared sensor cell include sequentially connected infrared sensor, diode electricity
Road, first capacitor (C1), amplifying circuit, comparison circuit and the second capacitor (C2).
Preferably, the diode circuit is by the successively positive first diode (D1) being connected in series and the second diode
(D2) it forms, the anode of the first diode (D1) receives the output signal of the infrared sensor, second diode
(D2) cathode is grounded by first capacitor (C1).
Preferably, the amplifying circuit includes one first operational amplifier (A1) and a first resistor (R1), and described first
Resistance (R1) is connected across between the inverting input terminal and output end of first operational amplifier (A1), first operation amplifier
The non-inverting input terminal of device (A1) receives the cathode output signal of second diode (D2).
Preferably, the comparison circuit includes a second operational amplifier (A2), a second resistance (R2), a 3rd resistor
(R3) and one the 4th resistance (R4), the inverting input terminal of the second operational amplifier (A2) by the second resistance (R2),
3rd resistor (R3) is respectively electrically connected to the end I/O of the output end of the operational amplifier (A1), central processing circuit AT89C51
Mouthful, the signal of output end is transmitted to described by the RC filter circuit being made of the 4th resistance (R4), the second capacitor (C2)
The port I/O of central processing circuit AT89C51, non-inverting input terminal ground connection.
Preferably, the infrared sensor model pyroelectric infrared sensor KDS209.
It preferably, further include at least one photoelectric sensing unit, the photoelectric sensing unit includes the light being sequentially connected electrically
Power conversion circuit, amplifying circuit, isolation circuit and clamp circuit.
Preferably, the photoelectric conversion circuit includes a first transistor (T1), one the 4th diode (D4) and a third
The cathode of capacitor (C3), the 4th diode (D4) is connected to power supply by the first transistor (T1) of resistance line,
Plus earth.
Preferably, the amplifying circuit includes a third operational amplifier (A3), one the 4th capacitor (C4), one the 5th resistance
(R5) and one the 6th resistance (R6), third operational amplifier (A3) non-inverting input terminal are connect by the 5th resistance (R5)
Ground bridges the 4th capacitor (C4) in parallel, the 6th resistance (R6), inverting input terminal between positive input terminal and output end
Receive the electric signal of the cathode output of fourth diode (D4) in parallel with third capacitor (C3).
Preferably, the isolation circuit includes the voltage follower being made of a four-operational amplifier (A4), the electricity
Pressure follower will be transmitted to by the 7th resistance (R7) reception from the output voltage of four-operational amplifier (A4) described
The port A/D of central processing circuit AT89C51.
Preferably, the clamp circuit includes one first pentode (D5) and one the 6th diode (D6), and the described 1st
Pole pipe (D5) cathode is electrically connected with the port A/D of the central processing circuit AT89C51, plus earth, the 6th diode
(D6) anode is electrically connected with the port A/D of the central processing circuit AT89C51, and cathode connects power supply.
Beneficial effects of the present invention: colleges and universities' daylight light intelligent control system of the invention, when infrared sensor cell detects
In college teaching building when someone, the fluorescent lamp that control system can be about to certainly in the region is opened when infrared sensor cell can't detect
When human body temperature, just fluorescent lamp is closed；Photoelectric sensing unit detection light intensity can be used to adjust the luminous power of fluorescent lamp, protect
Protect the eyesight of student.Safe and reliable, the operation is stable fluorescent lamp intelligentized control method can be reached as a result,.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, attached drawing
In embodiment do not constitute any limitation of the invention, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is one embodiment circuit diagram of colleges and universities' daylight light intelligent control system of the present invention.
Specific embodiment
Technical solution of the present invention is described in further detail with embodiment with reference to the accompanying drawing, this be it is of the invention compared with
Good embodiment.It should be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments；
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can be combined with each other.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of colleges and universities' daylight light intelligent control system of the invention, including central processing circuit AT89C51,
With the central processing circuit AT89C51 at least one infrared sensor cell being electrically connected and fluorescent lamp, the infrared sensing list
Member includes sequentially connected infrared sensor, diode circuit, first capacitor (C1), amplifying circuit, comparison circuit and the second electricity
Hold (C2).Wherein, the infrared sensor model pyroelectric infrared sensor KDS209.
Specifically, the diode circuit is by the successively positive first diode (D1) being connected in series and the second diode
(D2) it forms, the anode of the first diode (D1) receives the output signal of the infrared sensor, second diode
(D2) cathode is grounded by first capacitor (C1).Wherein, first capacitor (C1) can filter the light that fluorescent lamp itself is issued
Fall.
In the present embodiment, the amplifying circuit includes one first operational amplifier (A1) and a first resistor (R1), institute
It states first resistor (R1) to be connected across between the inverting input terminal and output end of first operational amplifier (A1), first fortune
The non-inverting input terminal for calculating amplifier (A1) receives the cathode output signal of second diode (D2).
In the present embodiment, the comparison circuit includes a second operational amplifier (A2), a second resistance (R2), one the
The inverting input terminal of three resistance (R3) and one the 4th resistance (R4), the second operational amplifier (A2) passes through the second resistance
(R2), 3rd resistor (R3) is respectively electrically connected to the output end of the operational amplifier (A1), central processing circuit AT89C51
The signal of the port I/O, output end is transmitted to by the RC filter circuit being made of the 4th resistance (R4), the second capacitor (C2)
The port I/O of the central processing circuit AT89C51, non-inverting input terminal ground connection.The comparator selection of bilateral diode here
Hysteresis loop comparator, the reason is that: the light on and off due to only needing to judge lamp, do not need it is point-device go to control, so only
Need to set a comparison voltage, be above high level, under be low level.
In an alternative embodiment, one two-way third is set in the port I/O of the central processing circuit AT89C51
Diode (D3), can stablize input voltage.
It further include at least one photoelectric sensing unit in another optional embodiment, the photoelectric sensing unit includes
Photoelectric conversion circuit, amplifying circuit, isolation circuit and the clamp circuit being sequentially connected electrically.
Specifically, the photoelectric conversion circuit includes a first transistor (T1), one the 4th diode (D4) and a third
The cathode of capacitor (C3), the 4th diode (D4) is connected to power supply by the first transistor (T1) of resistance line,
Plus earth.
In the present embodiment, the amplifying circuit includes a third operational amplifier (A3), one the 4th capacitor (C4), one the
Five resistance (R5) and one the 6th resistance (R6), third operational amplifier (A3) non-inverting input terminal pass through the 5th resistance
(R5) it is grounded, the 4th capacitor (C4) in parallel, the 6th resistance (R6), reverse phase is bridged between positive input terminal and output end
Input terminal receives the electric signal of the cathode output of fourth diode (D4) in parallel with third capacitor (C3).
In the present embodiment, the isolation circuit includes the voltage follower being made of a four-operational amplifier (A4),
The voltage follower will receive the output voltage from four-operational amplifier (A4) by the 7th resistance (R7) and transmit
To the port A/D of the central processing circuit AT89C51.
Preferably, the clamp circuit includes one first pentode (D5) and one the 6th diode (D6), the described 1st
Pole pipe (D5) cathode is electrically connected with the port A/D of the central processing circuit AT89C51, plus earth, the 6th diode
(D6) anode is electrically connected with the port A/D of the central processing circuit AT89C51, and cathode connects power supply.Electricity will be isolated in clamp circuit
The limiting voltage of road output avoids isolation circuit output in the input voltage range that central processing circuit AT89C51 allows
Overtension when damage to central processing circuit AT89C51, guarantee the normal work of circuit, to improve fluorescent lamp work
Reliability and stability.
In the present embodiment, first operational amplifier (A1), second operational amplifier (A2), third operational amplifier
(A3) and the model of four-operational amplifier (A4) is LM358 operational amplifier.
In conclusion colleges and universities' daylight light intelligent control system of the invention, its working principle is that: it is big according to the area in classroom
Small, reasonable layout one or more infrared sensor cell and fluorescent lamp have when infrared sensor cell detects in college teaching building
When people, the fluorescent lamp that control system can be about to certainly in the region is opened when infrared sensor cell can't detect human body temperature, in
Centre processing circuit just closes fluorescent lamp；One or more photoelectric sensing units also can be used to detect light intensity, central processing circuit
According to the luminous power of light intensity regulating fluorescent lamp, the eyesight of student is protected.So the embodiment of the present invention has reached following technology effect
Fruit: can reach effective fluorescent lamp intelligentized control method, and securely and reliably, the operation is stable, structure are simple, save electric energy.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of colleges and universities' daylight light intelligent control system, including central processing circuit, which is characterized in that the control system is also wrapped
It includes: at least one infrared sensor cell and fluorescent lamp being electrically connected with the central processing circuit, the infrared sensor cell packet
Include sequentially connected infrared sensor, diode circuit, first capacitor (C1), amplifying circuit, comparison circuit and the second capacitor
(C2)。
2. control system according to claim 1, which is characterized in that the diode circuit is connected in series by successively positive
First diode (D1) and the second diode (D2) form, the anode of the first diode (D1) receives the infrared sensing
The cathode of the output signal of device, second diode (D2) is grounded by first capacitor (C1).
3. control system according to claim 1, which is characterized in that the amplifying circuit includes one first operational amplifier
(A1) and a first resistor (R1), the first resistor (R1) are connected across the inverting input terminal of first operational amplifier (A1)
Between output end, the cathode that the non-inverting input terminal of first operational amplifier (A1) receives second diode (D2) is defeated
Signal out.
4. control system according to claim 1, which is characterized in that the comparison circuit includes a second operational amplifier
(A2), a second resistance (R2), a 3rd resistor (R3) and one the 4th resistance (R4), the second operational amplifier (A2) it is anti-
Phase input terminal is respectively electrically connected to the output of the operational amplifier (A1) by the second resistance (R2), 3rd resistor (R3)
It holds, the port I/O of central processing circuit, the signal of output end the 4th resistance (R4), the second capacitor (C2) by being made of
RC filter circuit be transmitted to the port I/O of the central processing circuit, non-inverting input terminal ground connection.
5. control system according to claim 1, which is characterized in that the infrared sensor model rpyroelectric infrared passes
Sensor KDS209.
6. control system according to claim 1-5, which is characterized in that further include at least one photoelectric sensing list
Member, the photoelectric sensing unit include the photoelectric conversion circuit being sequentially connected electrically, amplifying circuit, isolation circuit and clamp circuit.
7. control system according to claim 6, which is characterized in that the photoelectric conversion circuit includes a first transistor
(T1), the cathode of one the 4th diode (D4) and a third capacitor (C3), the 4th diode (D4) passes through resistance line
The first transistor (T1) is connected to power supply, plus earth.
8. control system according to claim 6, which is characterized in that the amplifying circuit includes a third operational amplifier
(A3), one the 4th capacitor (C4), one the 5th resistance (R5) and one the 6th resistance (R6), the same phase of the third operational amplifier (A3)
Input terminal is grounded by the 5th resistance (R5), and the 4th capacitor in parallel is bridged between positive input terminal and output end
(C4), the 6th resistance (R6), inverting input terminal receive fourth diode in parallel with third capacitor (C3)
(D4) electric signal of cathode output.
9. control system according to claim 6, which is characterized in that the isolation circuit includes by one the 4th operation amplifier
The voltage follower of device (A4) composition, the voltage follower will be received by the 7th resistance (R7) and be put from the 4th operation
The output voltage of big device (A4) is transmitted to the port A/D of the central processing circuit.
10. control system according to claim 6, which is characterized in that the clamp circuit includes one first pentode
(D5) with one the 6th diode (D6), the port A/D of the first pentode (D5) cathode and the central processing circuit is electrically connected
It connects, plus earth, the 6th diode (D6) anode is electrically connected with the port A/D of the central processing circuit, and cathode connects electricity
Source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308333.5A CN109219218B (en) | 2018-11-05 | 2018-11-05 | College fluorescent lamp intelligent control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308333.5A CN109219218B (en) | 2018-11-05 | 2018-11-05 | College fluorescent lamp intelligent control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109219218A true CN109219218A (en) | 2019-01-15 |
| CN109219218B CN109219218B (en) | 2024-04-23 |
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ID=64995212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811308333.5A Active CN109219218B (en) | 2018-11-05 | 2018-11-05 | College fluorescent lamp intelligent control system |
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| Country | Link |
|---|---|
| CN (1) | CN109219218B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112702819A (en) * | 2020-12-31 | 2021-04-23 | 合安科技技术有限公司 | Single-lamp controller of street lamp, street lamp and control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103813572A (en) * | 2012-11-10 | 2014-05-21 | 西安博昱新能源有限公司 | LED fluorescent lamp circuit having induction switch |
| US20160302278A1 (en) * | 2013-12-19 | 2016-10-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight adjustment circuit and electronic device |
| CN207625830U (en) * | 2017-10-10 | 2018-07-17 | 广州视源电子科技股份有限公司 | A kind of constant-current control circuit and backlight Constant Current Control System |
| CN209676551U (en) * | 2018-11-05 | 2019-11-22 | 宝鸡文理学院 | A kind of colleges and universities' daylight light intelligent control system |
-
2018
- 2018-11-05 CN CN201811308333.5A patent/CN109219218B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103813572A (en) * | 2012-11-10 | 2014-05-21 | 西安博昱新能源有限公司 | LED fluorescent lamp circuit having induction switch |
| US20160302278A1 (en) * | 2013-12-19 | 2016-10-13 | Shenzhen China Star Optoelectronics Technology Co., Ltd | Backlight adjustment circuit and electronic device |
| CN207625830U (en) * | 2017-10-10 | 2018-07-17 | 广州视源电子科技股份有限公司 | A kind of constant-current control circuit and backlight Constant Current Control System |
| CN209676551U (en) * | 2018-11-05 | 2019-11-22 | 宝鸡文理学院 | A kind of colleges and universities' daylight light intelligent control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112702819A (en) * | 2020-12-31 | 2021-04-23 | 合安科技技术有限公司 | Single-lamp controller of street lamp, street lamp and control method |
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| Publication number | Publication date |
|---|---|
| CN109219218B (en) | 2024-04-23 |
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