CN205584536U - Control system of intelligent regulation LED luminance - Google Patents
Control system of intelligent regulation LED luminance Download PDFInfo
- Publication number
- CN205584536U CN205584536U CN201620060973.9U CN201620060973U CN205584536U CN 205584536 U CN205584536 U CN 205584536U CN 201620060973 U CN201620060973 U CN 201620060973U CN 205584536 U CN205584536 U CN 205584536U
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- Prior art keywords
- led
- chip microcomputer
- control system
- brightness
- infrared
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Abstract
The utility model relates to a light adjustting of the lighteness control system especially relates to a control system of intelligent regulation LED luminance. The LED drive arrangement that is connected including the singlechip, with the singlechip and by LED drive arrangement driven LED lamp, the singlechip still be connected with infrared detecting device and ambient brightness detection device. Utilize thermal release infrared sensor to detect the human micro - infrared ray that radiates, photosensitive resistance detection ambient brightness, temperature -detecting device detect LED's temperature, realize that the outdoor luminance of intelligent sensor response comes automatically regulated light to keep indoor invariable illuminance, can make the indoor best luminous environment that has, can reach energy -conserving effect again.
Description
[technical field]
This utility model relates to a kind of brightness regulation and control system, especially relates to a kind of intelligence
The control system of regulation LED light brightness.
[background technology]
LED is referred to as forth generation green light source, and the luminescent device of LED is cold light source, has joint
The feature such as energy, environmental protection, life-span length, volume are little.The monochromaticity of LED light is good, and spectrum is narrow, nothing
Need to filter, can directly send coloured visible ray.Under identical lighting condition, LED power consumption
Amount is 1/10th of electric filament lamp, 1/2nd of fluorescent lamp, is the development trend of following illumination.
Along with green illumination is of increasing concern with Smart Home, short-distance wireless communication technology is also
Gradually start to apply in association area；LED illumination to intelligent direction development in order to
Preferably save the energy and realize Based Intelligent Control.China is the country of a resource scarcity, but
In daily life, people do not recognize that this point.As a example by room lighting, a lot
Public arena all uses hand switch, the phenomenon turned off the light the most in time often occurs, thus makes
Become the waste of the energy, also can shorten the service life of light fixture.For this phenomenon, it is necessary to grind
Study carefully a kind of intelligent lighting system.
[summary of the invention]
This utility model is intended to overcome the defect of prior art, it is provided that a kind of Intelligent adjustment LED light
The control system of brightness, it is achieved intelligentized control method, facilitates illuminator to use, and saves the energy.
For achieving the above object, the control of a kind of Intelligent adjustment LED light brightness of the present utility model
System includes LED drive device 50, the Yi Jiyou that single-chip microcomputer 40 is connected with single-chip microcomputer 40
The LED 60 that LED drive device 50 drives, described single-chip microcomputer 40 is also associated with infrared spy
Surveying device 10 and ambient brightness detecting device 20, described infrared detection device 10 is by inspection
Survey the infrared ray that sends of human body to feed back signal to single-chip microcomputer 40 control LED 60 light or
Closing, described ambient brightness detecting device 20 detects environmental light brightness and feeds back signal to monolithic
Machine 40 controls the brightness of LED 60.
Further, described infrared detection device 10 detects device, institute for rpyroelectric infrared
The rpyroelectric infrared detection device stated is provided with Fresnel lens and pyroelectric infrared sensor.
Further, described ambient brightness detecting device 20 is provided with photoconductive resistance, this light
Quick resistance can be automatically adjusted resistance according to environmental light brightness.
Further, described single-chip microcomputer 40 is also associated with temperature-detecting device 30, described
The temperature of temperature-detecting device 30 moment detection LED 60, too high, feed back signal to monolithic
Machine 40, reduces the power of LED 60 by LED drive device 50.
Further, described single-chip microcomputer 40 is also associated with force switch 70, described pressure
Switch 70 transmission switching signal is to single-chip microcomputer 40.
This utility model utilizes heat to release the micro-infrared of infrared sensor detection human body radiation, light
Quick resistance detection ambient brightness, the temperature of temperature-detecting device detection LED, LED drives employing
PWM light regulating technology, it is achieved the outer brightness of intelligence sensor nernst cell is automatically adjusted light, to protect
Hold indoor constant illumination, indoor can be made to have optimal illumination environment, energy-conservation effect can be reached again.
[accompanying drawing explanation]
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation that this utility model installs force switch.
[detailed description of the invention]
The following example is to be explained further and supplement of the present utility model, to this utility model
Do not constitute any limitation.
Embodiment 1
As it is shown in figure 1, the control system bag of a kind of Intelligent adjustment LED light brightness of the present embodiment
Include LED drive device 50 that single-chip microcomputer 40 is connected with single-chip microcomputer 40 and driven by LED
The LED 60 that device 50 drives, described single-chip microcomputer 40 is also associated with infrared detection device
10 and ambient brightness detecting device 20, described infrared detection device 10 is sent out by detection human body
The infrared ray gone out controls LED 60 and lights or close feeding back signal to single-chip microcomputer 40, institute
The ambient brightness detecting device 20 stated detects environmental light brightness and feeds back signal to single-chip microcomputer 40 and control
The brightness of LED 60 processed.Described infrared detection device 10 detects device for rpyroelectric infrared,
Described rpyroelectric infrared detection device is provided with Fresnel lens and pyroelectric infrared sensor.
Described ambient brightness detecting device 20 is provided with photoconductive resistance, and this photoconductive resistance can be according to ring
Border brightness is automatically adjusted resistance.In the present embodiment, the model of single-chip microcomputer 40 is
STC12C5A60S2, STC12C5A60S2 speed is fast, is provided with 2 road PWM, 8 road high-speed a/ds
Conversion so that peripheral circuit is greatly simplified, and old of system is substantially reduced, STC12C5A60S2
Single-chip microcomputer 40 periphery plugged into infrared detection device 10, ambient brightness detection module 20 and
LED drive module 50, LED drive module 50 then drives LED 60, described infrared acquisition
Device 10 is made up of Fresnel lens, pyroelectric infrared sensor；Described ambient brightness detects
Device 10 uses photoconductive resistance to detect ambient brightness；Single-chip microcomputer 40 receives two parts of signals,
The i.e. switching signal of passive type infrared detector package 10 output, it is seen that the room of optical detection output
These signals are transferred in single-chip microcomputer 40, at single-chip microcomputer 40 by interior brightness control signal
Reason, thus drive LED drive device 50 to switch and control LED 60 brightness.Infrared acquisition
Device 10 need not configure infrared emitting source, and the trace that can directly accept human body radiation is infrared
Line, is transformed into the output of the corresponding signal of telecommunication.In order to improve pyroelectric infrared sensor impression
Ultrared sensitivity, suitably installs supporting Fresnel lens before sensor additional.Human body has
Constant body temperature, typically at 37 DEG C, can send the infrared ray about specific wavelength 10 μm.
The Infrared of human body radiation collects in pyroelectric infrared sensor detection through Fresnel lens
In unit, when human motion, infrared intensity changes, and the electric charge on detection unit surface is strong
Degree changes, and amplifying through internal fet just has signal to export.Ambient brightness detecting device
20 use photoconductive resistance to detect ambient brightness；The most sensitive to light, examine with it here
Survey ambient brightness.Its resistance value can change according to strong and weak change along with ambient light.It is in nothing
When light irradiates, in high-impedance state；When there being light to irradiate, its resistance value reduces rapidly.
Embodiment 2
As shown in Figure 1, 2, the single-chip microcomputer 40 described in the present embodiment is also associated with temperature detection
Device 30, the temperature of described temperature-detecting device 30 moment detection LED 60, too high
Then feed back signal to single-chip microcomputer 40, reduced the merit of LED 60 by LED drive device 50
Rate.Temperature-detecting device 30 uses 1-wire digital temperature sensor DS18B20, described LED
Driving means 50 uses PT4115 to drive.PT4115 uses PWM light modulation.The base of PWM light modulation
Present principles is to maintain LED 60 forward conduction current constant, and by control current lead-through and
The time scale turned off, i.e. controls the time of each periodic current conducting.Dimmed by PWM,
The output electric current of LED 60 can be from 0% to 100% change.PWM dims relative to traditional
Linearity light adjusting, does not affect the light efficiency of LED 60.PWM light modulation advantage be LED 60 just
Electric current to conducting is always constant, and the colourity of LED 60 would not dim that as simulation
Sample can change.PWM light modulation also can be protected while accurately controlling the brightness of LED 60
The colourity of card LED 60 luminescence.
Embodiment 3
As in figure 2 it is shown, described single-chip microcomputer 40 is also associated with force switch 70, described is strong
System switch 70 transmission switching signal is to single-chip microcomputer 40.When needs positive closing LED 60,
Force switch 70 sends a signal to single-chip microcomputer 40, and single-chip microcomputer 40 controls LED drive device 50
Closing LED 60, when LED 60 opened by needs, force switch 70 sends a signal to
Single-chip microcomputer 40, single-chip microcomputer 40 controls LED drive device 50 and opens LED 60.
Although this utility model being disclosed by above example, but of the present utility model
Protection domain is not limited thereto, without departing from this utility model conceive under conditions of, to more than
Deformation that each component is done, replacement etc. all will fall in right of the present utility model.
Claims (5)
1. a control system for Intelligent adjustment LED light brightness, including single-chip microcomputer (40) and
LED drive device (50) that single-chip microcomputer (40) connects and by LED drive device (50)
The LED (60) driven, it is characterised in that: described single-chip microcomputer (40) is also associated with red
Outer detection device (10) and ambient brightness detecting device (20), described infrared detection device
(10) infrared ray sent by detection human body feeds back signal to single-chip microcomputer (40) control
LED (60) is lighted or is closed, described ambient brightness detecting device (20) detection ring
Border brightness feeds back signal to single-chip microcomputer (40) and controls the brightness of LED (60).
The control system of a kind of Intelligent adjustment LED light brightness the most as claimed in claim 1,
It is characterized in that: described infrared detection device (10) is that rpyroelectric infrared detects device, institute
The rpyroelectric infrared detection device stated is provided with Fresnel lens and pyroelectric infrared sensor.
The control system of a kind of Intelligent adjustment LED light brightness the most as claimed in claim 2,
It is characterized in that: described ambient brightness detecting device (20) is provided with photoconductive resistance, this light
Quick resistance can be automatically adjusted resistance according to environmental light brightness.
The control system of a kind of Intelligent adjustment LED light brightness the most as claimed in claim 1,
It is characterized in that: described single-chip microcomputer (40) is also associated with temperature-detecting device (30), institute
The temperature in temperature-detecting device (30) moment detection LED (60) stated, too high, feed back
Signal, to single-chip microcomputer (40), reduces LED (60) by LED drive device (50)
Power.
The control system of a kind of Intelligent adjustment LED light brightness the most as claimed in claim 4,
It is characterized in that: described single-chip microcomputer (40) is also associated with force switch (70), described
Force switch (70) sends switching signal to single-chip microcomputer (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060973.9U CN205584536U (en) | 2016-01-21 | 2016-01-21 | Control system of intelligent regulation LED luminance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620060973.9U CN205584536U (en) | 2016-01-21 | 2016-01-21 | Control system of intelligent regulation LED luminance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205584536U true CN205584536U (en) | 2016-09-14 |
Family
ID=56882265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620060973.9U Expired - Fee Related CN205584536U (en) | 2016-01-21 | 2016-01-21 | Control system of intelligent regulation LED luminance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205584536U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025072A (en) * | 2018-01-11 | 2019-07-19 | 深圳市摩动智能科技有限公司 | A kind of multifunctional alarming intelligent helmet |
| CN114222392A (en) * | 2022-02-22 | 2022-03-22 | 深圳市帝景光电科技有限公司 | System and method for adaptively adjusting brightness of mining lamp |
| CN115480317A (en) * | 2022-10-13 | 2022-12-16 | 无锡锐泰节能系统科学有限公司 | Matrix type illumination detection device |
-
2016
- 2016-01-21 CN CN201620060973.9U patent/CN205584536U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110025072A (en) * | 2018-01-11 | 2019-07-19 | 深圳市摩动智能科技有限公司 | A kind of multifunctional alarming intelligent helmet |
| CN114222392A (en) * | 2022-02-22 | 2022-03-22 | 深圳市帝景光电科技有限公司 | System and method for adaptively adjusting brightness of mining lamp |
| CN115480317A (en) * | 2022-10-13 | 2022-12-16 | 无锡锐泰节能系统科学有限公司 | Matrix type illumination detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 528200 Guangdong, Foshan, Guangdong, Nansha District, Luo Shan town, Guangdong new source of light industrial base A core area, 16, five, two Patentee after: Guangdong Sino German science and Technology Co., Ltd. Address before: 528200, No. 7, No. 24 Fenjiang North Road, Chancheng District, Foshan, Guangdong. Patentee before: FOSHAN ZHONGDE PHOTOELECTRIC SPECIAL LIGHTING CO., LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Control system of intelligent regulation LED luminance Effective date of registration: 20180810 Granted publication date: 20160914 Pledgee: Bank of China Limited by Share Ltd Foshan branch Pledgor: Guangdong Sino German science and Technology Co., Ltd. Registration number: 2018440000233 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20200121 |