CN102118907A - Adaptive illumination adjustment lamp and control method thereof - Google Patents
Adaptive illumination adjustment lamp and control method thereof Download PDFInfo
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- CN102118907A CN102118907A CN2010105974100A CN201010597410A CN102118907A CN 102118907 A CN102118907 A CN 102118907A CN 2010105974100 A CN2010105974100 A CN 2010105974100A CN 201010597410 A CN201010597410 A CN 201010597410A CN 102118907 A CN102118907 A CN 102118907A
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- circuit
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- illuminating lamp
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- brightness value
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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
The invention discloses an adaptive illumination adjustment lamp, which comprises a singlechip, a light emitting diode (LED) display circuit for displaying the current actual illumination and the system set value, a keyboard circuit, a photometric circuit for measuring the current light intensity, a digital-to-analogue conversion circuit and a memory circuit, wherein the singlechip coverts the calculated digital quantity into analogue quantity by the digital-to-analogue conversion circuit so as to control the illumination of the lamp; the memory circuit memories the recently used illumination value; the singlechip, serving as a master control chip, is respectively connected with the LED display circuit, the keyboard circuit, the photometric circuit, the digital-to-analogue conversion circuit and the memory circuit to cohesively coordinate the work of other modules. According to the invention, a fuzzy controlling technology having a better control effect for the complicated system is adopted to perform a constant control on the lamp, thereby improving the illumination precision of the lamp and effectively reducing the energy consumption; besides, the lamp responds quickly, and is capable of achieving the real-time control on industrial occasions with special requirements on illumination.
Description
Technical field
The present invention relates to the technical field of illuminating lamp, refer to a kind of illuminating lamp based on fuzzy control theory especially, being mainly used in some has the occasion of being strict with, fields such as for example film development, optical measurement to illumination.
Background technology
The illuminating lamp that uses does not have the function of automatically adjust light strength mostly at present, causes expending of the energy easily.The illuminating lamp that can regulate light intensity is also arranged on the market, select but these lamps are manual gear mostly.Have only several alternative gears on the one hand, sensitivity is not high; These lamps are manual adjustments mostly on the other hand, can not reach the purpose of real-time regulated light intensity.Publication number CN101004257A has introduced a kind of microcomputer multifunctional eyes protection light, senses light intensity by photosensitive sensor, and light intensity is fed back to circuit, and circuit is regulated the brightness of lamp automatically according to light intensity.Though this illuminating lamp can reach self-regulating purpose, sensitivity is not high.Light intensity is vulnerable to the influence of external environment light.But the illuminating lamp that still lacks the fast automatically adjust light strength of a kind of highly sensitive, precision high response speed in the market.
Summary of the invention
The actual use in the lighting apparatus process often needs illumination to keep constant.After illuminance setting was good, when extraneous light grow, light source reduced brightness; When extraneous light dies down, light source improves brightness.The present invention is a purpose at this point, and fuzzy control technology is applied to illuminator.The present invention is directed to deficiency of the prior art, provide a kind of in keeping lighting apparatus irradiation center range, its brightness value can not be subjected to the influence that extraneous things changes, and realizes the illuminator of good stable and energy saving.
The present invention is achieved through the following technical solutions goal of the invention:
A kind of self adaptation illumination is regulated illuminating lamp, comprising: single-chip microcomputer, be used to show current illuminations actually measured
And default value
LED display circuit, keyboard circuit, the light measuring circuit that is used to measure current light intensity, D/A converting circuit, memory circuit, single-chip microcomputer passes through D/A converting circuit, the digital quantity that calculates is converted to the illumination of analog quantity control illuminating lamp, memory circuit stores the most recently used brightness value, single-chip microcomputer is as main control chip, be connected respectively at LED display circuit, keyboard circuit, light measuring circuit, D/A converting circuit and memory circuitry, united and coordinating is controlled other each module work.
Among the present invention, the keyboard in the described keyboard circuit comprises:
⑴ SET key: enter withdraw from the illuminance setting state;
⑵ UP key: according to 1
LuxRank improves brightness value;
⑶ DOWN key: according to 1
LuxGrade drops low-light (level) value;
The user is by the control of keyboard circuit realization to illuminating lamp illumination.
A kind of self adaptation illumination is regulated the control method of illuminating lamp, may further comprise the steps:
⑴ light measuring circuit records the current illumination of illuminating lamp by light sensor
, the empirical equation that single-chip microcomputer provides according to transducer is with current illumination
Be converted to illuminations actually measured
⑵ single-chip microcomputer is with illuminations actually measured
With default value
Compare,, adopt the fuzzy control method to analyze according to its deviate and variable quantity;
⑶ single-chip microcomputer is converted to the brightness that analog quantity is controlled illuminating lamp by D/A converting circuit with digital quantity, realizes the range of exposures constant control of center illumination and follows control;
⑷ LED is used to show current illuminations actually measured
And default value
, be convenient to the user and observe illuminating lamp illumination change situation;
⑸ store the most recently used brightness value in the memory circuit, and brightness value that will wherein access times are maximum is as the brightness value of start next time, the user can realize control to illuminating lamp illumination by keyboard circuit.
A kind of self adaptation illumination is regulated the control method of illuminating lamp, for the response speed that improves whole system and the accurate control of light intensity, has adopted fuzzy algorithmic approach to carry out light intensity control.In order to guarantee the dynamically controlled of algorithm, adopt two-dimensional fuzzy controller,
eIt is error;
EcBe error change, K is the pattern discrimination amount, with K*e, K*ec two inputs as fuzzy controller, can obtain changing value detal by fuzzy controller,
L o Be the default brightness value,
+ deta
lBe respective actual value,
FuBe that illumination is converted to voltage
UFunction, pass through formula
, calculate magnitude of voltage U, voltage U is converted to analog quantity output control illuminating lamp by the DAC0832 D/A.
Store the brightness value of nearest 10 uses in the memory circuit of the present invention, and general's brightness value that wherein access times are maximum is as the illumination of start next time
The advantage of invention:
The present invention has adopted the fuzzy control technology that complication system is had better control effect, illuminating lamp is carried out constant control, improve the illumination precision of illuminating lamp and effectively reduced energy consumption, and response speed piece, at some illumination there is the industrial occasions of specific (special) requirements, can reaches the purpose of real-time control.
Description of drawings
Fig. 1 is the system block diagram of fuzzy control lamp;
Fig. 2 is the hardware circuit diagram of fuzzy control illuminating lamp.
Embodiment
A kind of self adaptation illumination is regulated illuminating lamp, comprise: single-chip microcomputer, be used to show the LED display circuit of current illuminations actually measured and default value, keyboard circuit, be used to measure the light measuring circuit of current light intensity, D/A converting circuit, memory circuit, single-chip microcomputer is converted to the digital quantity that calculates by D/A converting circuit the illumination of analog quantity control illuminating lamp, memory circuit stores the most recently used brightness value, single-chip microcomputer is as main control chip, respectively at the LED display circuit, keyboard circuit, light measuring circuit, D/A converting circuit is connected with memory circuit, and united and coordinating is controlled other each module work.Keyboard in the described keyboard circuit comprises:
(1) SET key: enter withdraw from the illuminance setting state;
(2) UP key: according to 1
LuxRank improves brightness value;
(3) DOWN key: according to 1
LuxGrade drops low-light (level) value;
The user is by the control of keyboard circuit realization to illuminating lamp illumination.
A kind of self adaptation illumination is regulated the control method of illuminating lamp, and light measuring circuit records the current illumination of illuminating lamp by light sensor
, the empirical equation that single-chip microcomputer provides according to transducer is with current illumination
Be converted to illuminations actually measured
Single-chip microcomputer is with illuminations actually measured
With default value
Compare,, adopt FUZZY ALGORITHMS FOR CONTROL to carry out computing according to its deviate and variable quantity.Single-chip microcomputer is converted to digital quantity the brightness of analog quantity control illuminating lamp by D/A converting circuit.Realize the range of exposures constant control of center illumination and follow control.LED is used to show current illuminations actually measured
And default value
, be convenient to the user and observe illuminating lamp illumination change situation.Can in memory, store simultaneously the brightness value of nearest 10 uses, and general's brightness value that wherein access times are maximum is as the brightness value of start next time.The user can be by the control of keyboard circuit realization to illuminating lamp illumination.
Single-chip microcomputer adopts the AT89S52 chip, and this chip is a high-performance CMOS 8 8-digit microcontrollers, has 8k FLASH memory able to programme.The AT89S52 single-chip microcomputer links to each other respectively at light measuring circuit, D/A converting circuit, LED display circuit, keyboard circuit, memory circuit, power circuit as main control chip, and united and coordinating is controlled other each circuit module work.
Light measuring circuit adopts light sensor TSL2561 chip, and this chip is the second generation surrounding environment light intensity transducer that TAOS company releases, and is the signal of telecommunication by light sensor with the surrounding environment light conversion of signals, delivers in the single-chip microcomputer and handles.With TSL2561's
The SCL of C bus is connected with P2.4 with the P2.3 of SDA pin respectively at single-chip microcomputer.Single-chip microcomputer
The C bus timing uses software programming to simulate, and realizes the visit to light measuring circuit.The INT pin of light sensor TSL2561 connects the external interrupt INT pin of single-chip microcomputer.
The LED display circuit adopts 47 sections LED charactrons, is used for dynamic display system and sets illumination
, illuminations actually measured
, default value.The user can check current brightness value by the LED display circuit, is convenient to the suitable illumination of user's manual adjustments.The sheet selections of 4 LED pipes (
) connect respectively at the P1.0 ~ P1.3 pin of single-chip microcomputer.The numeral that high four P1.7 ~ P1.4 of single-chip microcomputer P1 will need to show is after the 3-8 decoder for decoding, and the driving LED charactron shows.
The user can use keyboard, and lighting circuit is simply controlled.The present invention designs 3 buttons altogether, is connected with single-chip microcomputer P2.0, P2.1, P2.2 respectively.Other 3 pin B1, the B2 of keyboard circuit, B3 by or door be connected to P3.2(external interrupt 0) port, when key is pressed, send interrupt request singal to single-chip microcomputer by this pin.Keyboard comprises the SET key: enter withdraw from the illuminance setting state; UP key: according to 1
LuxRank improves brightness value; DOWN key: according to 1
LuxGrade drops low-light (level) value.
Memory circuit is used for stored program and data, adopts the AT24C01 chip.The SCK of storage chip AT24C01, SDAu pin connect respectively at single-chip microcomputer P3.0, P3.1 pin.When the SCK input signal was rising edge, memory was a write state.When the SCK input signal was trailing edge, memory was an output state, and the SDA pin is used for the serial two-way transfer of data.
D/A converting circuit adopts the DAC0832 chip, realizes output control function.With illuminations actually measured
Obtain suitable brightness value through fuzzy algorithmic approach control.This brightness value is converted to aanalogvoltage output through DAC0832, the control lighting brightness.DAC0832's
-
Port connects the FPDP of single-chip microcomputer
-
, the address bus of single-chip microcomputer connects DAC0832's by the 74LS138 decoder
Port, D/A converting circuit
The connection single-chip microcomputer
Port.The output port of DAC0832 port
With
Connect illuminating lamp by operational amplifier.
Systems soft ware partly comprises system's main program, light measuring circuit subprogram and fuzzy algorithmic approach subprogram.
Main program: single-chip microcomputer was at first finished system initialization work after system powered on, and mainly comprised the initialization of correlated variables in the initialization of I/O mouth, timer initialization, the program etc.The brightness value that reads in last use from memory is as default illumination
, the user also can manually set by keyboard
Value.After finishing, initialization uses LED display system illumination
Call the light measuring circuit subprogram, obtain current measured light illumination
, with current actual measurement
With default
Compare, if both unequal fuzzy algorithmic approach subprograms of then calling are adjusted and drawn suitable brightness value; If being worth, both equate that single-chip microcomputer is converted to voltage signal output with this brightness value by the DAC0832 chip, the brightness of control illuminating lamp.
Light measuring circuit subprogram: judge at first whether the photometry chip is provided with success,, comprise write control register, be set the time of integration, interruption etc. is set if unsuccessful then carry out the setting of photometry chip; If success is set then calls the time-delay wait routine, wait for that the collection of luminous intensity finishes.After gathering end,, calculate actual light intensity according to the empirical equation that the transducer handbook provides
, and this value is passed to single-chip microcomputer handle.
The fuzzy algorithmic approach subprogram:
Be the pattern discrimination amount, system is in follow the mode when pressing the set button, at this moment
Otherwise system is in immunity mode, at this moment
, call by main program and to transmit.In order to guarantee the dynamically controlled of algorithm, adopt two-dimensional fuzzy controller,
eIt is error;
EcBe error change,, can obtain changing value detal by indistinct logic computer with K*e, K*ec two inputs as fuzzy controller.
L o Be the default brightness value,
+ deta
lBe respective actual value,
FuBe that illumination is converted to voltage
UFunction, pass through formula
, calculate magnitude of voltage U.Voltage U is passed through DAC
D/A is converted to analog quantity output control illuminating lamp.
The operation principle and the course of work of the invention are described.
Operation principle: light measuring circuit records the current illumination of illuminating lamp by light sensor
, the empirical equation that single-chip microcomputer provides according to transducer is with current illumination
Be converted to illuminations actually measured
Single-chip microcomputer is with illuminations actually measured
With default value
Compare,, adopt FUZZY ALGORITHMS FOR CONTROL to carry out computing according to its deviate and variable quantity.By D/A converting circuit, digital quantity is converted to the brightness of analog quantity control illuminating lamp.Realize the range of exposures constant control of center illumination and follow control.LED is used to show current illuminations actually measured
With system's system set point
, be convenient to the user and observe illuminating lamp illumination change situation.Can in memory, store simultaneously the brightness value of nearest 10 uses, and general's brightness value that wherein access times are maximum is as the brightness value of start next time.The user can be by the control of keyboard circuit realization to illuminating lamp illumination.
The course of work: the user opens illuminating lamp, starts lighting lamp controller, and the LED display system is set brightness value
Record illuminations actually measured by light measuring circuit
, and show by LED
Value.Will
With
Compare, if
Be not equal to
, then right
Carry out the fuzzy control adjustment; If
Equal
, with adjusted
Value is by digital-to-analogue conversion control lighting brightness.Memory stores the brightness value of nearest 10 uses, and will use the brightness value of maximum conduct starts next time.The user also can manually set by keyboard, and system will adjust light intensity according to user's set point.
Claims (5)
1. a self adaptation illumination is regulated illuminating lamp, it is characterized in that comprising: single-chip microcomputer, be used to show the LED display circuit of current illuminations actually measured and default value, keyboard circuit, be used to measure the light measuring circuit of current light intensity, D/A converting circuit, memory circuit, single-chip microcomputer is converted to the digital quantity that calculates by D/A converting circuit the illumination of analog quantity control illuminating lamp, memory circuit stores the most recently used brightness value, single-chip microcomputer is as main control chip, respectively at the LED display circuit, keyboard circuit, light measuring circuit, D/A converting circuit is connected with memory circuit, and united and coordinating is controlled other each module work.
2. a self adaptation illumination is regulated illuminating lamp, it is characterized in that the keyboard in the described keyboard circuit comprises:
The SET key: enter withdraw from the illuminance setting state;
UP key: according to 1
LuxRank improves brightness value;
DOWN key: according to 1
LuxGrade drops low-light (level) value;
The user is by the control of keyboard circuit realization to illuminating lamp illumination.
3. control method that self adaptation illumination as claimed in claim 1 or 2 is regulated illuminating lamp is characterized in that may further comprise the steps:
⑴ light measuring circuit records the current illumination of illuminating lamp by light sensor
, the empirical equation that single-chip microcomputer provides according to transducer is with current illumination
Be converted to illuminations actually measured
⑵ single-chip microcomputer is with illuminations actually measured
With default value
Compare,, adopt the fuzzy control method to analyze according to its deviate and variable quantity;
⑶ single-chip microcomputer is converted to the brightness that analog quantity is controlled illuminating lamp by D/A converting circuit with digital quantity, realizes the range of exposures constant control of center illumination and follows control;
⑷ LED is used to show current illuminations actually measured
And default value
, be convenient to the user and observe illuminating lamp illumination change situation;
⑸ memory circuit stores the most recently used brightness value, and brightness value that will wherein access times are maximum is as the brightness value of start next time, and the user realizes control to illuminating lamp illumination by keyboard circuit.
4. the control method that self adaptation illumination as claimed in claim 3 is regulated illuminating lamp is characterized in that described fuzzy control method adopts two-dimensional fuzzy controller,
eIt is error;
EcBe error change, K is the pattern discrimination amount, with K*e, K*ec two inputs as fuzzy controller, can obtain changing value detal by fuzzy controller,
L o Be the default brightness value,
+ deta
lBe respective actual value,
FuBe that illumination is converted to voltage
UFunction, pass through formula
, calculate magnitude of voltage U, voltage U is converted to analog quantity output control illuminating lamp by the DAC0832 D/A.
5. control method that self adaptation illumination as claimed in claim 4 is regulated illuminating lamp, it is characterized in that storing in the memory among the described step ⑸ brightness value of nearest 10 uses, and general's brightness value that wherein access times are maximum is as the brightness value of start next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105974100A CN102118907A (en) | 2010-12-21 | 2010-12-21 | Adaptive illumination adjustment lamp and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105974100A CN102118907A (en) | 2010-12-21 | 2010-12-21 | Adaptive illumination adjustment lamp and control method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102118907A true CN102118907A (en) | 2011-07-06 |
Family
ID=44217452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105974100A Pending CN102118907A (en) | 2010-12-21 | 2010-12-21 | Adaptive illumination adjustment lamp and control method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN102118907A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619102A (en) * | 2013-11-27 | 2014-03-05 | 江苏新可耐光电科技股份有限公司 | Constant-light control system based on fuzzy algorithm |
| CN106793379A (en) * | 2016-12-01 | 2017-05-31 | 上海电机学院 | A kind of control method for realizing permanent isolux street lamp |
| CN109162619A (en) * | 2018-08-31 | 2019-01-08 | 北京工业大学 | One kind is based on energy-efficient intelligent exterior window optimization regulating method |
| CN112220428A (en) * | 2020-10-14 | 2021-01-15 | 珠海格力电器股份有限公司 | Dish washing machine, brightness control method and device of dish washing machine and storage medium |
Citations (3)
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| JPH0317997A (en) * | 1989-06-15 | 1991-01-25 | Omron Corp | Lighting control system |
| JP2005332586A (en) * | 2004-05-18 | 2005-12-02 | Calsonic Kansei Corp | Lighting dimmer |
| CN201294666Y (en) * | 2008-11-18 | 2009-08-19 | 宋北光 | Electricity-saving illumination system |
-
2010
- 2010-12-21 CN CN2010105974100A patent/CN102118907A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0317997A (en) * | 1989-06-15 | 1991-01-25 | Omron Corp | Lighting control system |
| JP2005332586A (en) * | 2004-05-18 | 2005-12-02 | Calsonic Kansei Corp | Lighting dimmer |
| CN201294666Y (en) * | 2008-11-18 | 2009-08-19 | 宋北光 | Electricity-saving illumination system |
Non-Patent Citations (1)
| Title |
|---|
| 席旸旸: "《基于AT89S52单片机的照度模糊控制器的设计》", 《南京信息工程大学学报（自然科学版）》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619102A (en) * | 2013-11-27 | 2014-03-05 | 江苏新可耐光电科技股份有限公司 | Constant-light control system based on fuzzy algorithm |
| CN106793379A (en) * | 2016-12-01 | 2017-05-31 | 上海电机学院 | A kind of control method for realizing permanent isolux street lamp |
| CN109162619A (en) * | 2018-08-31 | 2019-01-08 | 北京工业大学 | One kind is based on energy-efficient intelligent exterior window optimization regulating method |
| CN109162619B (en) * | 2018-08-31 | 2020-06-16 | 北京工业大学 | Intelligent outer window optimization regulation and control method based on energy conservation |
| CN112220428A (en) * | 2020-10-14 | 2021-01-15 | 珠海格力电器股份有限公司 | Dish washing machine, brightness control method and device of dish washing machine and storage medium |
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Application publication date: 20110706 |