CN203136280U - Controller for adjusting LED street lamp brightness based on speed and volume information - Google Patents
Controller for adjusting LED street lamp brightness based on speed and volume information Download PDFInfo
- Publication number
- CN203136280U CN203136280U CN2013201374262U CN201320137426U CN203136280U CN 203136280 U CN203136280 U CN 203136280U CN 2013201374262 U CN2013201374262 U CN 2013201374262U CN 201320137426 U CN201320137426 U CN 201320137426U CN 203136280 U CN203136280 U CN 203136280U
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- led
- street lamp
- control unit
- central control
- brightness
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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
Abstract
The utility model relates to a controller for adjusting LED street lamp brightness based on speed and volume information, which comprises a central control unit, a LED drive circuit connected with the central control unit, a light intensity detector arranged by facing to a LED assembly and connected to the central control unit, a radar inductor connected to the central control unit and used for measuring adjusted brightness of super brightness LED assembly while a vehicle moves, and a radar velometer connected to the central control unit and used for controlling the order unlatching time of various LED street lamps at the front of the vehicle according to the measured vehicle speed. When the vehicle arrives at the place below the corresponded LED street lamp, the brightness of the street lamp is in a bright state, simultaneously, the brightness of other street lamps is in a little dark state; the radar inductor and the radar velometer are arranged at the top of a lamp rod of the street lamp, and the controller is benefit for remote detection.
Description
Technical field
The utility model relates to a kind of controller of regulating the LED street lamp brightness based on speed, volume information.
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 vehicle or 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 ofly regulates the controller of LED street lamp brightness based on speed, volume information, and it only is suitable for switching or the brightness of haunting to control the LED lamp according to vehicle or people.
In order to solve the problems of the technologies described above, it is a kind of based on speed that the utility model provides, volume information is regulated the controller of LED street lamp brightness, comprise: central control unit, the led drive circuit that links to each other with the pwm signal output of this central control unit, the ultra-bright LED assembly that links to each other with this led drive circuit, light intensity detector that be oppositely arranged with this ultra-bright LED assembly and that link to each other with the feedback signal input of described central control unit, being used for of linking to each other with this central control unit records the radar inductor that vehicle is heightened the brightness of described ultra-bright LED assembly when movable, the priority open-interval radar trap that is used for controlling according to the car speed that records a plurality of LED street lamps of this vehicle front that links to each other with this central control unit, so that this vehicle is below arriving corresponding LED street lamp the time, the brightness of this street lamp is in higher state, makes other street lamp brightness be in low state simultaneously; Described radar inductor and radar trap are located at the top of street lamp post, are beneficial to remote probe.
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; Be to improve the soften 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 the wireless network communication module for the current brightness of remote monitoring; This wireless network communication module is GSM or 3G or wifi communication module.
The top of described street lamp post is provided with the wind power generation assembly, is provided with storage battery in the street lamp post, and this storage battery links to each other with described led drive circuit through power supply current stabilization module.
Described central control unit also is connected with for the loudspeaker driver that drives voice loudspeaker caution hypervelocity when recording described overspeed of vehicle by described radar trap, to realize human-based management, reduces the traffic accident incidence.
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 ultra-bright LED assembly.For fear of flicker effect, the frequency of pwm pulse waveform is greater than 200Hz usually.By this circuit, regulate the brightness of LED lamp with regard to having realized in real time according to the radar induction; (2) the radar inductor of Cai Yonging is suitable for distinguishing the size of moving target, highly, adopt radar trap further to confirm the speed of a motor vehicle, and then guarantee when this vehicle is below the corresponding LED street lamp of arrival, the brightness of this street lamp is in higher state, make other street lamp brightness be in low state simultaneously, and avoid lamp to be opened by mistake and open, be beneficial to energy-conservation.(3) adopt photo-detector to realize FEEDBACK CONTROL, overcome owing to the aging light intensity that causes of LED changes; In addition, the light intensity that can also adopt wireless communication apparatus to regulate the LED light fixture through the wireless network communication module as required reaches the effect that Long-distance Control is thrown light on.
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 described structured flowchart of regulating the controller of LED street lamp brightness based on speed, volume information;
Fig. 2 is the circuit theory diagrams of described led drive circuit.
Embodiment
The present invention is described in detail below in conjunction with drawings and Examples:
Embodiment 1
As Fig. 1, present embodiment based on speed, volume information is regulated the controller of LED street lamp brightness, comprise central control unit, the led drive circuit that links to each other with the pwm signal output of this central control unit, the ultra-bright LED assembly that links to each other with this led drive circuit, light intensity detector that be oppositely arranged with this ultra-bright LED assembly and that link to each other with the feedback signal input of described central control unit, being used for of linking to each other with this central control unit records the radar inductor that vehicle is heightened the brightness of described ultra-bright LED assembly when movable, the priority open-interval radar trap that is used for controlling according to the car speed that records a plurality of LED street lamps of this vehicle front that links to each other with this central control unit, so that this vehicle is below arriving corresponding LED street lamp the time, the brightness of this street lamp is in higher state, makes other street lamp brightness be in low state simultaneously; Described radar inductor and radar trap are located at the top of street lamp post, are beneficial to remote probe.
During work, adopt radar trap further to confirm the speed of a motor vehicle, and then guarantee when this vehicle is below the corresponding LED street lamp of arrival, the brightness of this street lamp is in higher state, make other street lamp brightness be in low state simultaneously, and avoid lamp to be opened by mistake and open, be beneficial to energy-conservation.
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; Be to improve the soften 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 the wireless network communication module for the current brightness of remote monitoring; This wireless network communication module is GSM or 3G or wifi communication module.
The top of described street lamp post is provided with the wind power generation assembly, is provided with storage battery in the street lamp post, and this storage battery links to each other with described led drive circuit through power supply current stabilization module.
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.
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 (6)
1. one kind based on speed, volume information is regulated the controller of LED street lamp brightness, 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 ultra-bright LED assembly that links to each other with this led drive circuit, light intensity detector that be oppositely arranged with this ultra-bright LED assembly and that link to each other with the feedback signal input of described central control unit, being used for of linking to each other with this central control unit records the radar inductor that vehicle is heightened the brightness of described ultra-bright LED assembly when movable, and the car speed that being used for of linking to each other with this central control unit, basis recorded is controlled the priority open-interval radar trap of a plurality of LED street lamps of this vehicle front; Described radar inductor and radar trap are located at the top of street lamp post.
2. according to claim 1ly regulate the controller of LED street lamp brightness based on speed, volume information, it is characterized in that: described drive circuit comprises that model is that the LED of LT3474 drives chip.
3. the controller of regulating the LED street lamp brightness based on speed, volume information according to claim 1, it is characterized in that: the led chip in the described LED assembly is encapsulated on the substrate, 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 controller based on speed, volume information adjusting LED street lamp brightness of one of claim 1 to 3, it is characterized in that: described central control unit also is connected with the wireless network communication module for the current brightness of remote monitoring; This wireless network communication module is GSM or 3G or wifi communication module.
5. the controller of regulating the LED street lamp brightness based on speed, volume information according to claim 4, it is characterized in that: the top of described street lamp post is provided with the wind power generation assembly, be provided with storage battery in the street lamp post, this storage battery links to each other with described led drive circuit through power supply current stabilization module.
6. according to the described controller based on speed, volume information adjusting LED street lamp brightness of one of claim 1 to 3, it is characterized in that: described central control unit also is connected with for the loudspeaker driver that drives voice loudspeaker caution hypervelocity when recording described overspeed of vehicle by described radar trap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201374262U CN203136280U (en) | 2013-03-25 | 2013-03-25 | Controller for adjusting LED street lamp brightness based on speed and volume information |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201374262U CN203136280U (en) | 2013-03-25 | 2013-03-25 | Controller for adjusting LED street lamp brightness based on speed and volume information |
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| Publication Number | Publication Date |
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| CN203136280U true CN203136280U (en) | 2013-08-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013201374262U Expired - Fee Related CN203136280U (en) | 2013-03-25 | 2013-03-25 | Controller for adjusting LED street lamp brightness based on speed and volume information |
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| CN (1) | CN203136280U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050300A (en) * | 2015-09-14 | 2015-11-11 | 重庆星河光电科技有限公司 | Method for adjusting brightness of lighting device, lighting device and lighting system |
| WO2017054229A1 (en) * | 2015-10-01 | 2017-04-06 | 魏晓敏 | Led streetlight and led streetlight system |
| CN107426862A (en) * | 2017-06-20 | 2017-12-01 | 肇庆市广应科通用航空研究院 | Solar LED street lamp control method and device |
-
2013
- 2013-03-25 CN CN2013201374262U patent/CN203136280U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105050300A (en) * | 2015-09-14 | 2015-11-11 | 重庆星河光电科技有限公司 | Method for adjusting brightness of lighting device, lighting device and lighting system |
| WO2017054229A1 (en) * | 2015-10-01 | 2017-04-06 | 魏晓敏 | Led streetlight and led streetlight system |
| CN107426862A (en) * | 2017-06-20 | 2017-12-01 | 肇庆市广应科通用航空研究院 | Solar LED street lamp control method and device |
| CN107426862B (en) * | 2017-06-20 | 2019-07-02 | 肇庆市广应科通用航空研究院 | Solar LED street lamp control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |