CN106163015A - A kind of LED double control-type energy-saving control system - Google Patents
A kind of LED double control-type energy-saving control system Download PDFInfo
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- CN106163015A CN106163015A CN201610788306.7A CN201610788306A CN106163015A CN 106163015 A CN106163015 A CN 106163015A CN 201610788306 A CN201610788306 A CN 201610788306A CN 106163015 A CN106163015 A CN 106163015A
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- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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Abstract
The invention discloses a kind of LED double control-type energy-saving control system, it is characterized in that, main by single-chip microcomputer, buzzer, power supply, controller, signal processing unit and the luminance sensor being all connected with single-chip microcomputer, the LED being connected with controller, and the infrared probe HW composition being connected with signal processing unit；Described signal processing unit by processing chip U, field effect transistor MOS, audion VT3, second-order filter amplifying circuit, and the signal output composition such as modulate circuit.The present invention can be by being controlled the open and close of LED the flow of personnel situation in LED range and the brightness case in its range, and the flow of personnel information gathered can be analyzed and processed by the present invention accurately, ensure that LED can accurate be controlled by the present invention.
Description
Technical field
The present invention relates to the technical field of electronic equipment, specifically refer to a kind of LED double control-type energy-saving control system.
Background technology
Requisite electrical equipment during LED illumination lamp has become as people's life now.But, existing LED illumination lamp is adopted more
Realize being turned on and off lamp by the mode of Non-follow control and the mode of acoustic control, i.e. the mode of Non-follow control is to pass through shell fragment
Formula mechanical switch is turned on and off LED, owing to this control mode cannot realize automatically turning on or closing LED, works as people
Withdraw from a room for a long time, when forgetting to close illuminating lamp, will result in energy waste；The mode of acoustic control is then to pass through sound sensor
Sound in LED range is acquired by device, and when sound transducer has collected sound, LED etc. then can be lit,
As long as this control mode use time have in its span of control with night by day sound will lightening LED lamp, this controlling party
Formula can not control the open and close of LED according to the brightness of the scope that LED uses, and this just causes energy significant wastage.
Therefore it provides a kind of LED energy-saving control system is the task of top priority.
Summary of the invention
It is an object of the invention to overcome LED control system of the prior art can not flow according to ambient brightness and personnel
Emotionally condition controls the defect of open and close of LED, and the present invention provides a kind of LED double control-type energy-saving control system.
The present invention is achieved through the following technical solutions: a kind of LED double control-type energy-saving control system, mainly by single-chip microcomputer,
Buzzer, power supply, controller, signal processing unit and the luminance sensor being all connected with single-chip microcomputer, is connected with controller
LED, and be connected with signal processing unit infrared probe HW composition；Described signal processing unit is by processing chip
U, field effect transistor MOS, audion VT3, positive pole is connected with the source electrode of field effect transistor MOS, the base stage phase of negative pole and audion VT3
The polar capacitor C6 connected, one end is connected with the source electrode of field effect transistor MOS, the other end is connected with the emitter stage of audion VT3
Resistance R7, the P pole connect is connected with the emitter stage of audion VT3, N pole is connected with the COM pin processing chip U after resistance R8
The diode D3 connect, one end be connected with the colelctor electrode of audion VT3 after ground connection, the COM pin phase of the other end and process chip U
The inductance L2 connected, the pole that negative pole is connected with the drain electrode of field effect transistor MOS, positive pole is connected with the CF pin of process chip U
Property electric capacity C7, amplify with the second-order filter processing the CM pin of chip U and IN pin and infrared probe HW is connected respectively
Circuit, and respectively with the signal output modulate circuit processing the PWM pin of chip U and OUT pin and COM pin is connected
Composition；The grid of described field effect transistor MOS is connected with the CC pin processing chip U, its drain electrode is also managed with the CM processing chip U
Foot is connected；The grounded collector of described audion VT3；The GND pin ground connection of described process chip U, its VS pin are then with outward
Portion's 12V DC source is connected；Described signal output modulate circuit is connected with single-chip microcomputer.
Described second-order filter amplifying circuit by amplifier P1, audion VT1, audion VT2, positive pole after resistance R3 with put
The polar capacitor C2 that positive pole is connected, negative pole is connected with infrared probe HW of big device P1, positive pole and the negative pole of amplifier P1
Be connected, polar capacitor C4 that negative pole is connected with the base stage of audion VT1, one end is connected with the negative pole of amplifier P1, separately
The resistance R4 that one end is connected with the base stage of audion VT1, positive pole is connected with the base stage of audion VT2, negative pole is through inductance L1
Polar capacitor C5, the P pole that negative pole with amplifier P1 is connected afterwards negative pole with polar capacitor C5 after resistance R6 is connected, N
The diode D2 that pole negative pole with amplifier P1 after resistance R5 is connected, positive pole is connected with the outfan of amplifier P1, negative
Pole and polar capacitor C3, the P pole that is connected of IN pin processing chip U positive pole with amplifier P1 after resistance R2 is connected, N
The diode D1 that pole is connected with the negative pole of polar capacitor C3, and negative pole is connected with the positive pole of amplifier P1, positive pole warp can
The polar capacitor C1 composition being connected with the N pole of diode D1 after adjusting resistance R1；The grounded collector of described audion VT1, its
Emitter stage is connected with the N pole of diode D2；After the colelctor electrode of described audion VT2 is connected with the CM pin processing chip U
Ground connection, its emitter stage are connected with the negative pole of polar capacitor C3.
Described signal output modulate circuit is connected with the OUT pin processing chip U by amplifier P2, audion VT4, positive pole
Connect, polar capacitor C9, P pole that negative pole positive pole with amplifier P2 after resistance R11 is connected after resistance R9 with audion VT4
The diode D4 that emitter stage is connected, N pole outfan with amplifier P2 after adjustable resistance R10 is connected, positive pole and
Polar capacitor C8, the P pole of ground connection and process after the emitter stage of audion VT4 is connected, negative pole is connected with the P pole of diode D4
The diode D5 that the PWM pin of chip U is connected, N pole is connected with the base stage of audion VT4, positive pole after resistance R13 with three
The colelctor electrode of pole pipe VT4 is connected, polar capacitor C11, the P pole of minus earth after resistance R12 with the negative pole phase of amplifier P2
Connect, the diode D6 that is connected of the outfan of N pole amplifier P2, positive pole is connected with the outfan of amplifier P2, negative pole and
The polar capacitor C10 that single-chip microcomputer is connected, and positive pole is connected with amplifier P2 outfan after resistance R14, negative pole with put
The polar capacitor C12 composition of ground connection after the negative pole of device P2 is connected greatly；The negative pole of described polar capacitor C9 the most respectively with process core
The COM pin of sheet U is connected with the emitter stage of audion VT4.
For guaranteeing the practical effect of the present invention, described process chip U the most preferentially have employed and comes into the integrated chip of AD736
Realize.The most described infrared probe HW is KR-P900 Radix Rumicis infrared probe.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) present invention can be by the flow of personnel situation in LED range and the brightness feelings in its range
The open and close of LED are controlled by condition, and the flow of personnel information gathered can be divided by the present invention accurately
Analysis processes, and makes the present invention control the open and close of LED more accurate, ensures that LED can accurate be controlled by the present invention
System, can preferably realize people to LED control system in the requirement of energy-conservation aspect.
(2) the interference signal during the present invention can dock the collection of letters number eliminates or suppresses, and makes the signal of telecommunication more steady；And
The bandwidth of viewdata signal can also be limited by the present invention, to filter the High-frequency Interference in viewdata signal and spike hair
Thorn, and the High-frequency Interference in viewdata signal is filtered, make viewdata signal more totally, more steadily, effectively
Improve the present invention accuracy to signal processing, ensure that LED can accurate be controlled by the present invention.
(3) infrared probe of the present invention is KR-P900 type Radix Rumicis infrared probe, and this infrared probe can carry out Radix Rumicis
The detection of 180 °, it has the advantages such as accuracy is high, sensitivity is strong, thus it is ensured that the present invention is to LED range personnel
The accuracy of monitoring.
Accompanying drawing explanation
Fig. 1 is the overall structure block diagram of the present invention.
Fig. 2 is the electrical block diagram of the signal processing unit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
As it is shown in figure 1, the present invention is mainly by single-chip microcomputer, the buzzer being all connected with single-chip microcomputer, power supply, controller, letter
Number processing unit and luminance sensor, the LED being connected with controller, and the infrared ray being connected with signal processing unit
Probe HW composition.
For guaranteeing the reliability service of the present invention, described single-chip microcomputer preferentially uses FM8PE59A single-chip microcomputer to realize.Should
The TI0 pin of FM8PE59A single-chip microcomputer is connected with buzzer, and PIN0 pin is connected with signal processing unit, PIN1 pin with
Luminance sensor is connected, and POUT1 pin is connected with controller, and pvc pipe foot is connected with power supply.Described power supply is 12V
DC voltage, this 12V DC voltage is that whole control system is powered.
During operation, described luminance sensor preferentially uses RA-1805NO luminance sensor to realize；This RA-1805NO
Photoconductive resistance it is provided with, photoconductive resistance when environment has brightness when brightness is detected by this luminance sensor in luminance sensor
Resistance becomes big, i.e. luminance sensor output LOW current signal；When brightness is detected by luminance sensor, environment does not has brightness
Time photoconductive resistance resistance diminish, i.e. luminance sensor output HIGH current signal.This luminance sensor is used for monitoring LED and uses
In the range of ambient brightness, and export corresponding current signal to single according to the ambient brightness in the LED range of monitoring
Sheet machine,.Meanwhile, the infrared probe HW of the present invention is KR-P900 Radix Rumicis infrared probe, and this infrared probe can be to LED
Range carry out the detection of Radix Rumicis 180 °, i.e. detect with or without personnel in LED range, this infrared probe
The information detected being transferred to signal processing unit, the interference signal in the docking collection of letters number of this signal processing unit is carried out simultaneously
Eliminate or suppression, make the signal of telecommunication more steady；And the bandwidth of viewdata signal can also be limited by the present invention, to filter
High-frequency Interference in viewdata signal and spike burr, and the High-frequency Interference in viewdata signal is filtered, make
Viewdata signal more totally, more steady；Signal conversion image data signal after this signal processing unit then will process transmits
To single-chip microcomputer.The infrared probe HW of the present invention and luminance sensor are collectively forming a dual-switch.
The present invention in use, single-chip microcomputer receive infrared probe HW transmission for having people in LED range
Time interior, single-chip microcomputer receive low current signal time will not export control signal to controller, LED also will not be unlocked.
Only monitoring the information of people for high current signal and infrared probe HW and be transferred to list simultaneously in luminance sensor transmission
During sheet machine, single-chip microcomputer just can export control voltage to controller, controller just outputting drive voltage, LED is just unlocked.Work as people
When leaving the investigative range that infrared probe HW visits, infrared probe is visited HW and this signal is fed back to single-chip microcomputer, at this moment single-chip microcomputer
Output controls electric current and begins to send out prompting sound to buzzer, buzzer, and this prompting sound is used for reminding people's LED automatically to close
Closing, this single-chip microcomputer is then automatically stopped after buzzer works 3 seconds and LED is exported electric current, and now LED is closed, the most single
Sheet machine also can return to reopen state.
Wherein, described signal processing unit is as in figure 2 it is shown, described signal processing unit is by processing chip U, field effect transistor
MOS, audion VT3, resistance R7, resistance R8, polar capacitor C6, polar capacitor C7, inductance L2, diode D3, second-order filter is put
Big circuit, and signal output modulate circuit composition.
During connection, the positive pole of polar capacitor C6 is connected with the source electrode of field effect transistor MOS, negative pole and the base of audion VT3
Pole is connected.One end of resistance R7 is connected with the source electrode of field effect transistor MOS, and the other end is connected with the emitter stage of audion VT3
Connect.The P pole of diode D3 is connected with the emitter stage of audion VT3, N pole after resistance R8 with process chip U COM pin phase
Connect.One end of inductance L2 be connected with the colelctor electrode of audion VT3 after ground connection, the other end and process chip U COM pin phase
Connect.
Meanwhile, the negative pole of polar capacitor C7 is connected with the drain electrode of field effect transistor MOS, positive pole and the CF pipe processing chip U
Foot is connected.Second-order filter amplifying circuit respectively with process the CM pin of chip U and IN pin and infrared probe HW is connected
Connect.Signal output modulate circuit respectively with process the PWM pin of chip U and OUT pin and COM pin is connected.
The grid of described field effect transistor MOS is connected with the CC pin processing chip U, and its drain electrode is also with process chip U's
CM pin is connected；The grounded collector of described audion VT3；The GND pin ground connection of described process chip U, its VS pin is then
It is connected with outside 12V DC source；Described signal output modulate circuit is connected with single-chip microcomputer.
During enforcement, for guaranteeing the practical effect of the present invention, described process chip U the most preferentially have employed as AD736 collection
Chip is become to realize.Described field effect transistor MOS, audion VT3, resistance R7, resistance R8, polar capacitor C6, polar capacitor C7, electricity
Sense L2 and diode D3 forms high impedance device, and the electromagnetic interference signal in signal can be eliminated or suppress by this high impedance device.
The signal output part that the input of described second-order filter amplifying circuit visits HW with infrared probe is connected；And signal output conditioning
The outfan of circuit is then connected with the PIN0 pin of FM8PE59A single-chip microcomputer.
Further, described second-order filter amplifying circuit is by amplifier P1, audion VT1, audion VT2, adjustable resistance
R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, polar capacitor C1, polar capacitor C2, polar capacitor C3, polarity electricity
Hold C4, polar capacitor C45, inductance L1, diode D1, and diode D2 composition.
During connection, the positive pole of polar capacitor C2 positive pole with amplifier P1 after resistance R3 is connected, negative pole and infrared ray
Probe HW is connected.The positive pole of polar capacitor C4 is connected with the negative pole of amplifier P1, and negative pole is connected with the base stage of audion VT1
Connect.One end of resistance R4 is connected with the negative pole of amplifier P1, and the other end is connected with the base stage of audion VT1.Polar capacitor
The positive pole of C5 is connected with the base stage of audion VT2, and negative pole negative pole with amplifier P1 after inductance L1 is connected.
Wherein, the P pole of diode D2 negative pole with polar capacitor C5 after resistance R6 is connected, N pole after resistance R5 with
The negative pole of amplifier P1 is connected.The positive pole of polar capacitor C3 is connected with the outfan of amplifier P1, negative pole and process chip U
IN pin be connected.The P pole of diode D1 positive pole with amplifier P1 after resistance R2 is connected, N pole and polar capacitor C3
Negative pole be connected.The negative pole of polar capacitor C1 is connected with the positive pole of amplifier P1, positive pole after adjustable resistance R1 with two poles
The N pole of pipe D1 is connected.
The grounded collector of described audion VT1, its emitter stage is connected with the N pole of diode D2；Described audion VT2
Colelctor electrode with process chip U CM pin be connected after ground connection, its emitter stage is connected with the negative pole of polar capacitor C3.
Further, described signal output modulate circuit is by amplifier P2, audion VT4, resistance R9, adjustable resistance
R10, resistance R11, resistance R12, resistance R13, resistance R14, polar capacitor C9, polar capacitor C10, polar capacitor C11, polarity electricity
Hold C12, diode D4, diode D5, and diode D6 composition.
During connection, the positive pole of polar capacitor C9 with process chip U OUT pin be connected, negative pole after resistance R11 with put
The positive pole of big device P2 is connected.The P pole of diode D4 emitter stage with audion VT4 after resistance R9 is connected, and N pole is through adjustable
After resistance R10, the outfan with amplifier P2 is connected.The positive pole of polar capacitor C8 with the emitter stage of audion VT4 be connected
Connect, negative pole be connected with the P pole of diode D4 after ground connection.
Meanwhile, the P pole of diode D5 is connected with the PWM pin processing chip U, and N pole is connected with the base stage of audion VT4
Connect.The positive pole of polar capacitor C11 colelctor electrode with audion VT4 after resistance R13 is connected, minus earth.The P of diode D6
Pole negative pole with amplifier P2 after resistance R12 is connected, and the outfan of N pole amplifier P2 is connected.Polar capacitor C10 is just
Pole is connected with the outfan of amplifier P2, and negative pole is connected with the PIN0 pin of FM8PE59A single-chip microcomputer.Polar capacitor C12's
Positive pole is connected with amplifier P2 outfan after resistance R14, negative pole be connected with the negative pole of amplifier P2 after ground connection.Described pole
Property electric capacity C9 negative pole be connected with the emitter stage processing the COM pin of chip U and audion VT4 the most respectively.
The interference signal that the signal processing unit of the present invention can dock in the collection of letters number eliminates or suppresses, and makes the signal of telecommunication more
Add steadily；And the bandwidth of viewdata signal can also be limited by the present invention, to filter the high frequency in viewdata signal
Interference and spike burr, and the High-frequency Interference in viewdata signal is filtered, make viewdata signal more totally, more
Steadily, effectively raise the present invention accuracy to signal processing, ensure that LED can accurate be controlled by the present invention.
As it has been described above, the present invention just can well be realized.
Claims (5)
1. a LED double control-type energy-saving control system, it is characterised in that main by single-chip microcomputer, the honeybee being all connected with single-chip microcomputer
Ring device, power supply, controller, signal processing unit and luminance sensor, the LED being connected with controller, and with signal at
The infrared probe HW composition that reason unit is connected；Described signal processing unit is by processing chip U, field effect transistor MOS, audion
VT3, the polar capacitor C6 that positive pole is connected with the source electrode of field effect transistor MOS, negative pole is connected with the base stage of audion VT3, one
Resistance R7, the P pole that end is connected with the source electrode of field effect transistor MOS, the other end is connected with the emitter stage of audion VT3 and three poles
The emitter stage of pipe VT3 is connected, N pole after resistance R8 with the diode D3 that is connected of COM pin processing chip U, one end with
The colelctor electrode of audion VT3 be connected after the inductance L2 that is connected with the COM pin of process chip U of ground connection, the other end, negative pole with
The polar capacitor C7 that the drain electrode of field effect transistor MOS is connected, positive pole is connected with the CF pin of process chip U, respectively with process
The second-order filter amplifying circuit that the CM pin of chip U is connected with IN pin and infrared probe HW, and respectively with process
The signal output modulate circuit composition that the PWM pin of chip U is connected with OUT pin and COM pin；Described field effect transistor
The grid of MOS is connected with the CC pin processing chip U, its drain electrode is also connected with the CM pin processing chip U；Described three poles
The grounded collector of pipe VT3；The GND pin ground connection of described process chip U, its VS pin are then connected with outside 12V DC source
Connect；Described signal output modulate circuit is connected with single-chip microcomputer.
A kind of LED double control-type energy-saving control system the most according to claim 1, it is characterised in that described second-order filter is put
Big electricity routing amplifier P1, audion VT1, audion VT2, positive pole positive pole with amplifier P1 after resistance R3 is connected, negative
The polar capacitor C2 that pole is connected with infrared probe HW, positive pole is connected with the negative pole of amplifier P1, negative pole and audion VT1
The polar capacitor C4 that is connected of base stage, one end is connected with the negative pole of amplifier P1, the base stage phase of the other end and audion VT1
The resistance R4 connected, positive pole is connected with the base stage of audion VT2, negative pole negative pole with amplifier P1 after inductance L1 is connected
Polar capacitor C5, P pole negative pole with polar capacitor C5 after resistance R6 be connected, N pole after resistance R5 with amplifier P1's
The diode D2 that negative pole is connected, positive pole is connected with the outfan of amplifier P1, negative pole is connected with the IN pin of process chip U
Polar capacitor C3, the P pole connect positive pole with amplifier P1 after resistance R2 is connected, N pole is connected with the negative pole of polar capacitor C3
The diode D1 connect, and negative pole is connected with the positive pole of amplifier P1, positive pole after adjustable resistance R1 with the N pole of diode D1
The polar capacitor C1 composition being connected；The grounded collector of described audion VT1, its emitter stage are extremely connected with the N of diode D2
Connect；The colelctor electrode of described audion VT2 be connected with the CM pin processing chip U after ground connection, its emitter stage and polar capacitor C3
Negative pole be connected.
A kind of LED double control-type energy-saving control system the most according to claim 2, it is characterised in that the output of described signal is adjusted
Reason electricity routing amplifier P2, audion VT4, positive pole with process chip U OUT pin be connected, negative pole after resistance R11 with put
Polar capacitor C9, the P pole that the positive pole of big device P2 is connected emitter stage with audion VT4 after resistance R9 is connected, N pole is through can
Adjust the diode D4 being connected after resistance R10 with the outfan of amplifier P2, positive pole with the emitter stage of audion VT4 be connected
Connect, negative pole be connected with the P pole of diode D4 after ground connection polar capacitor C8, P pole with process chip U PWM pin be connected,
The diode D5 that N pole is connected with the base stage of audion VT4, positive pole colelctor electrode with audion VT4 after resistance R13 is connected
Connect, polar capacitor C11, the P pole of minus earth is connected with the negative pole of amplifier P2 after resistance R12, N pole amplifier P2 defeated
Go out the diode D6 that end is connected, the polarity electricity that positive pole is connected, negative pole is connected with single-chip microcomputer with the outfan of amplifier P2
Hold C10, and after positive pole is connected with amplifier P2 outfan after resistance R14, negative pole is connected with the negative pole of amplifier P2
The polar capacitor C12 composition of ground connection；The negative pole of described polar capacitor C9 the most respectively with process the COM pin of chip U and audion
The emitter stage of VT4 is connected.
A kind of LED double control-type energy-saving control system the most according to claim 3, it is characterised in that described process chip U is
The integrated chip of AD736.
A kind of LED double control-type energy-saving control system the most according to claim 4, it is characterised in that described infrared probe
HW is KR-P900 Radix Rumicis infrared probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788306.7A CN106163015A (en) | 2016-08-31 | 2016-08-31 | A kind of LED double control-type energy-saving control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788306.7A CN106163015A (en) | 2016-08-31 | 2016-08-31 | A kind of LED double control-type energy-saving control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106163015A true CN106163015A (en) | 2016-11-23 |
Family
ID=57345553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610788306.7A Withdrawn CN106163015A (en) | 2016-08-31 | 2016-08-31 | A kind of LED double control-type energy-saving control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628193A (en) * | 2016-01-27 | 2016-06-01 | 中国铁道科学研究院电子计算技术研究所 | Station operation environment brightness monitoring method |
-
2016
- 2016-08-31 CN CN201610788306.7A patent/CN106163015A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105628193A (en) * | 2016-01-27 | 2016-06-01 | 中国铁道科学研究院电子计算技术研究所 | Station operation environment brightness monitoring method |
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Application publication date: 20161123 |