CN209676551U - 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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- CN209676551U CN209676551U CN201821812248.8U CN201821812248U CN209676551U CN 209676551 U CN209676551 U CN 209676551U CN 201821812248 U CN201821812248 U CN 201821812248U CN 209676551 U CN209676551 U CN 209676551U
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Abstract
The utility model 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 utility model 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.
Utility model content
The utility model in view of the deficiencies of the prior art, proposes a kind of colleges and universities' daylight light intelligent control system, hot unofficial biography
When sense unit detects someone in college teaching building, infrared sensing is worked as in the fluorescent lamp unlatching that control system can be about to certainly in the region
When unit can't detect human body temperature, just fluorescent lamp is closed；Photoelectric sensing unit detection light intensity can be used to adjust fluorescent lamp
Luminous power, protect 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 utility model adopts the following technical solutions: a kind of colleges and universities' fluorescent lamp intelligent control system
System, including central processing circuit AT89C51, the control system further include: be electrically connected with the central processing circuit AT89C51
At least one infrared sensor cell and fluorescent lamp, the infrared sensor cell includes sequentially connected infrared sensor, two poles
Pipe circuit, 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) tetra- resistance of Ji Yi (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) six resistance of Ji Yi (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.
The utility model has the beneficial effects that colleges and universities' daylight light intelligent control system of the utility model, 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,.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, the embodiment in attached drawing does not constitute any limitation to the utility model, for those of ordinary skill in the art, In
Under the premise of not making the creative labor, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is one embodiment circuit diagram of the utility model colleges and universities daylight light intelligent control system.
Specific embodiment
Technical solutions of the utility model are described in further detail with embodiment with reference to the accompanying drawing, this is that this is practical
Novel preferred embodiment.It should be appreciated that the described embodiments are only a part of the embodiments of the utility model, rather than it is complete
The embodiment in portion；It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment
It can be combined with each other.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work
Under the premise of every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of colleges and universities' daylight light intelligent control system of the utility model, including central processing circuit
AT89C51, with the central processing circuit AT89C51 at least one infrared sensor cell being electrically connected and fluorescent lamp, it is described red
Outer sensing unit includes sequentially connected infrared sensor, diode circuit, first capacitor (C1), amplifying circuit, comparison circuit
And second capacitor (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
Three resistance (R3) Ji Yi, tetra- resistance (R4), the inverting input terminal of the second operational amplifier (A2) pass 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) Ji Yi, six 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 utility model, its working principle is that: according to the face in classroom
Product size, reasonable layout one or more infrared sensor cell and fluorescent lamp, when infrared sensor cell detects college teaching building
When interior someone, 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
When, 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 the utility model embodiment reached with
Lower technical effect: 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 various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
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 2, 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), tetra- resistance (R4) of a 3rd resistor (R3) Ji Yi, 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 7, which is characterized in that the amplifying circuit includes a third operational amplifier
(A3), one the 4th capacitor (C4), one the 5th resistance (R5) Ji Yi, six 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 and one the 7th resistance (R7) of device (A4) composition, the voltage follower will be connect by the 7th resistance (R7)
Receive the port A/D that the output voltage from four-operational amplifier (A4) is transmitted to 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 |
|---|---|---|---|
| CN201821812248.8U CN209676551U (en) | 2018-11-05 | 2018-11-05 | A kind of colleges and universities' daylight light intelligent control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821812248.8U CN209676551U (en) | 2018-11-05 | 2018-11-05 | A kind of colleges and universities' daylight light intelligent control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209676551U true CN209676551U (en) | 2019-11-22 |
Family
ID=68561143
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821812248.8U Expired - Fee Related CN209676551U (en) | 2018-11-05 | 2018-11-05 | A kind of colleges and universities' daylight light intelligent control system |
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| Country | Link |
|---|---|
| CN (1) | CN209676551U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109219218A (en) * | 2018-11-05 | 2019-01-15 | 宝鸡文理学院 | A kind of colleges and universities' daylight light intelligent control system |
-
2018
- 2018-11-05 CN CN201821812248.8U patent/CN209676551U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109219218A (en) * | 2018-11-05 | 2019-01-15 | 宝鸡文理学院 | A kind of colleges and universities' daylight light intelligent control system |
| CN109219218B (en) * | 2018-11-05 | 2024-04-23 | 宝鸡文理学院 | College fluorescent lamp intelligent control system |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 Termination date: 20201105 |