CN203136284U - LED indoor lighting device based on radar induction - Google Patents
LED indoor lighting device based on radar induction Download PDFInfo
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- CN203136284U CN203136284U CN2013201404662U CN201320140466U CN203136284U CN 203136284 U CN203136284 U CN 203136284U CN 2013201404662 U CN2013201404662 U CN 2013201404662U CN 201320140466 U CN201320140466 U CN 201320140466U CN 203136284 U CN203136284 U CN 203136284U
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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 utility model relates to an LED indoor lighting device based on radar induction. The LED indoor lighting device comprises a central control unit, an LED drive circuit, an LED assembly, a light intensity detector and a radar inductor, wherein the light intensity detector is arranged to be opposite to the LED assembly and is connected with the central control unit, and the radar inductor is connected with the central control unit and is used for detecting the movement of a human body to control the brightness of the LED assembly. The adopted radar inductor is suitable for distinguishing the size and height of a moving object to further distinguish a man from a pet. The central control unit distinguishes the size and height of the moving object based on the strength of a signal output by the radar inductor to further prevent a lamp from being turned on wrongly. As an optical scheme, the central control unit is also connected with an infrared inductor which is used for detecting the movement of the human body to control the on-off of the LED assembly, and the central control unit starts or lightens the LED assembly only when the infrared inductor has output and the strength of a single output by the radar inductor is corresponding to the human body.
Description
Technical field
The utility model relates to a kind of LED interior illuminator based on the radar induction.
Background technology
The automatic shutter of existing LED lamp all adopts infrared sensing or acoustic control mode; It is subjected to the interference of pet (as: cat, dog etc.) easily, how according to only according to people's switching or the brightness of haunting to control the LED lamp, is the technical barrier of this area.
The utility model content
The technical problems to be solved in the utility model provides a kind of LED interior illuminator based on radar induction, and it only is suitable for switching or the brightness of haunting to control the LED lamp according to the people.
In order to solve the problems of the technologies described above, the utility model provides a kind of LED interior illuminator based on the radar induction, comprise: central control unit, the led drive circuit that links to each other with the pwm signal output of this central control unit, the LED assembly that links to each other with this led drive circuit, light intensity detector that be oppositely arranged with this LED assembly and that link to each other with the feedback signal input of described central control unit, the radar inductor of controlling the brightness of described LED assembly for detection of physical activity that links to each other with the signal input part of this central control unit.The radar inductor that adopts is suitable for distinguishing the size of moving target, highly, and then distinguishes people and pet.Described central control unit is distinguished the size of moving target, highly according to the power of this radar sensor output signal, and then avoids lamp to be opened by mistake and open.
Described drive circuit comprises that model is the LED driving chip of LT3474 or DD313.
Led chip in the described LED assembly is encapsulated on the substrate, and this substrate is provided with the reflector, is covered with the hemisphere diffuser on this substrate; Be to improve the soft effect of light, this diffuser is milky white translucent mask, or inwall is provided with the translucent cover of white diffuse reflector, or inwall is provided with the translucent cover of scattering diluent layer.
Described central control unit also is connected with for the touch-screen that shows, arranges current brightness, and the wireless network communication module that is used for the current brightness of remote monitoring; This wireless network communication module is GSM or 3G or wifi communication module.
As preferred embodiment a kind of, described central control unit also is connected with the infrared inductor of controlling described LED assembly switching for detection of physical activity.Namely only at infrared inductor output is arranged, and the intensity of radar sensor output signal is when corresponding with human body, described LED assembly is just opened or lightened to described central control unit.
Technique scheme of the present utility model has the following advantages compared to existing technology: (1) is by the control of central control unit (it adopts AVR single-chip microcomputer or intelligent controllers such as CPLD or FPGA or DSP or ARM), change the duty ratio of corresponding pwm control signal, stablize the light intensity of LED assembly, wherein every paths of LEDs drive circuit adopts LT3474 as driving control chip.For fear of flicker effect, the frequency of pwm pulse waveform is greater than 200Hz usually.By this circuit, respond to the real-time control of regulating the brightness of LED lamp with regard to having realized according to radar; (2) the radar inductor of Cai Yonging is suitable for distinguishing the size of moving target, highly, and then distinguishes people and pet.Described central control unit is distinguished the size of moving target, highly according to the power of this radar sensor output signal, and then avoids lamp to be opened by mistake and open.(3) adopt photo-detector to realize FEEDBACK CONTROL, overcome owing to the aging light intensity that causes of LED changes; In addition, can also pass through touch-screen or adopt wireless communication apparatus through the light intensity of wireless network communication module adjusting LED light fixture according to the personal like, reach the effect of scene or Long-distance Control illumination.(4) adopt infrared inductor to detect whether moving target is animal (comprising people and pet), avoid other mobile objects to the influence of radar sensor output signal; Namely only at infrared inductor output is arranged, and described LED assembly is just opened or lightened to the intensity of radar sensor output signal when corresponding with human body.
Description of drawings
Content of the present utility model is easier clearly to be understood in order to make, below the specific embodiment and by reference to the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is the structured flowchart of the LED interior illuminator based on radar induction of the present utility model;
Fig. 2 is the circuit theory diagrams of a kind of led drive circuit of the present utility model;
Fig. 3 is the circuit theory diagrams of another kind of led drive circuit of the present utility model.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Embodiment 1
As Fig. 1, the LED interior illuminator based on the radar induction of present embodiment, comprise: central control unit, the led drive circuit that links to each other with the pwm signal output of this central control unit, the LED assembly that links to each other with this led drive circuit, light intensity detector that be oppositely arranged with this LED assembly and that link to each other with the feedback signal input of described central control unit, the radar inductor of controlling the brightness of described LED assembly for detection of physical activity that links to each other with the signal input part of this central control unit.
Described drive circuit comprises that model is the LED driving chip of LT3474.
Led chip in the described LED assembly is encapsulated on the substrate, and this substrate is provided with the reflector, is covered with the hemisphere diffuser on this substrate; This diffuser is milky white translucent mask, or inwall is provided with the translucent cover of white diffuse reflector, or inwall is provided with the translucent cover of scattering diluent layer.
Described central control unit also is connected with for the touch-screen that shows, arranges current brightness, is used for controlling according to voice content the acoustic control module of described LED assembly brightness, and the wireless network communication module that is used for the current brightness of remote monitoring; This wireless network communication module is GSM or 3G or wifi communication module.
As preferred embodiment a kind of, described central control unit also is connected with the infrared inductor of controlling described LED assembly switching for detection of physical activity.Namely only at infrared inductor output is arranged, and the intensity of radar sensor output signal is when corresponding with human body, described LED assembly is just opened or lightened to described central control unit.
As Fig. 2, described drive circuit adopts the LED of Linear Techn Inc. to drive chip LT3474, and this chip is that the adjustable LED constant current of a kind of output-current rating drives control chip, and maximum drive current can reach 1A.It provides 2 kinds of type of drive: analog regulation mode and PWM regulative mode.Under the PWM regulative mode, utilize the duty ratio that changes the pwm signal that adds, can realize the light modulation ratio of 400:1.
The analog regulation mode is to utilize the PWM controller to come drive current is regulated, and to stablize the drive current of LED, obtains stable output intensity.Because the feedback control signal of PWM controller is a magnitude of voltage usually, so analog regulation is to utilize a measuring resistance that output driving current is sampled, and be converted into feedback voltage signal, by PWM controller stable to feedback voltage, thereby reach the purpose of stablizing output driving current.
Embodiment 2
On the basis of embodiment 1, as Fig. 3, the central controller based in the LED interior illuminator of radar induction of present embodiment is single-chip microprocessor MCU, and LED drives chip and adopts DD313; Entire circuit all is attached on the aluminium base.LED drives chip DD313 and drives the warm white LEDs of the high-power 2700K of 1 string 350mA, the 1 string cold white LEDs of the high-power 6500K of 350mA and 1 string 20mA small-power green light LED.For efficient, adjust VCC voltage and export about pressure drop 1V to DD313.This circuit performance aspect regulation and control is better than DC-DC to be adjusted, special when in little duty ratio.MCU software needs four of online regulation and control to detect specified color temperature point: 3000K, 4000K, 5000K, 6500K to satisfy the ANSIC78.377-2008 standard up to photochromic.
Obviously, above-described embodiment only is for the utility model example clearly is described, and is not to be restriction to execution mode of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And these belong to apparent variation or the change that spirit of the present utility model extended out and still are among the protection range of the present utility model.
Claims (5)
1. LED interior illuminator based on radar induction, it is characterized in that comprising: central control unit, the led drive circuit that links to each other with the pwm signal output of this central control unit, the LED assembly that links to each other with this led drive circuit, light intensity detector that be oppositely arranged with this LED assembly and that link to each other with the feedback signal input of described central control unit, the radar inductor of controlling the brightness of described LED assembly for detection of physical activity that links to each other with the signal input part of this central control unit.
2. the LED interior illuminator based on radar induction according to claim 1 is characterized in that: described drive circuit comprises that model is that the LED of LT3474 or DD313 drives chip.
3. the LED interior illuminator based on radar induction according to claim 1, it is characterized in that: the led chip in the described LED assembly is encapsulated on the substrate, and this substrate is provided with the reflector, is covered with the hemisphere diffuser on this substrate; This diffuser is milky white translucent mask, or inwall is provided with the translucent cover of white diffuse reflector, or inwall is provided with the translucent cover of scattering diluent layer.
4. according to the described LED interior illuminator based on the radar induction of one of claim 1 to 3, it is characterized in that: described central control unit also is connected with for the touch-screen that shows, arranges current brightness, and the wireless network communication module that is used for the current brightness of remote monitoring; This wireless network communication module is GSM or 3G or wifi communication module.
5. the LED interior illuminator based on radar induction according to claim 4 is characterized in that: described central control unit also is connected with and controls the infrared inductor that described LED assembly opens and closes for detection of physical activity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201404662U CN203136284U (en) | 2013-03-25 | 2013-03-25 | LED indoor lighting device based on radar induction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201404662U CN203136284U (en) | 2013-03-25 | 2013-03-25 | LED indoor lighting device based on radar induction |
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| CN203136284U true CN203136284U (en) | 2013-08-14 |
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| CN2013201404662U Expired - Fee Related CN203136284U (en) | 2013-03-25 | 2013-03-25 | LED indoor lighting device based on radar induction |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197577A (en) * | 2017-06-23 | 2017-09-22 | 安徽卓上光电科技有限责任公司 | A kind of lamp control system for speech recognition |
| CN108260251A (en) * | 2018-01-30 | 2018-07-06 | 北京启冠智能科技股份有限公司 | A kind of energy-saving T8 fluorescent tubes of LED based on intelligent control |
| CN109121264A (en) * | 2018-08-07 | 2019-01-01 | 广州悦可军玉光电科技有限公司 | Alternately inductive lightning system |
| CN109327946A (en) * | 2018-10-24 | 2019-02-12 | 武汉金东方智能景观股份有限公司 | Control method, device, garden lamp and the storage medium of garden lamp |
-
2013
- 2013-03-25 CN CN2013201404662U patent/CN203136284U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197577A (en) * | 2017-06-23 | 2017-09-22 | 安徽卓上光电科技有限责任公司 | A kind of lamp control system for speech recognition |
| CN108260251A (en) * | 2018-01-30 | 2018-07-06 | 北京启冠智能科技股份有限公司 | A kind of energy-saving T8 fluorescent tubes of LED based on intelligent control |
| CN109121264A (en) * | 2018-08-07 | 2019-01-01 | 广州悦可军玉光电科技有限公司 | Alternately inductive lightning system |
| CN109327946A (en) * | 2018-10-24 | 2019-02-12 | 武汉金东方智能景观股份有限公司 | Control method, device, garden lamp and the storage medium of garden lamp |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 Termination date: 20160325 |
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| CF01 | Termination of patent right due to non-payment of annual fee |