CN202210891U - Intelligent stepless dimming LED (Light-Emitting Diode) street lamp - Google Patents
Intelligent stepless dimming LED (Light-Emitting Diode) street lamp Download PDFInfo
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- CN202210891U CN202210891U CN2011203588248U CN201120358824U CN202210891U CN 202210891 U CN202210891 U CN 202210891U CN 2011203588248 U CN2011203588248 U CN 2011203588248U CN 201120358824 U CN201120358824 U CN 201120358824U CN 202210891 U CN202210891 U CN 202210891U
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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 discloses an intelligent stepless dimming LED (Light-Emitting Diode) street lamp, which comprises an input part, a controller and an output part, wherein the input part is composed of a sound control module, an illuminance module and a clock module, which are connected with the controller through corresponding IO (Input/Output) interfaces; and the output part is composed of a power supply module and an LED module, which are connected together. In the intelligent stepless dimming LED street lamp disclosed by the utility model, multiple input signals are adopted to guarantee the all-sidedness of the acquired environmental information, thus the energy-saving efficiency is maximal, and humanized pavement illuminance is provided.
Description
Technical field
The utility model relates to the road lighting technical field, relates in particular to a kind of intelligent stepless dimming LED (Light Emitting Diode) street lamp.
Background technology
In recent years, along with progressively popularizing of expanding economy and automobile, the importance of city illumination increases day by day.At present, the street lamp in the most of city of China all adopts the mode of " the permanent illumination of full night-light " to throw light on, and control mode remains simple traditional approach.Because vehicle flowrate is less after midnight, but mass energy has been wasted in the brightness of street lamp when keeping still that the first half of the night, vehicle flowrate was big, is unfavorable for environmental protection.And the pedestrian is rare after midnight, and street lamp has caused the light source pollution, and have a rest the night that influences the resident.
Based on this problem, developing efficient, energy-conservation intelligent road-lamp is an inevitable trend.Intelligent street lamp can according to specific setting, be realized the dynamic and intelligent management to road lighting, thereby when improving lighting quality, obtain best energy-saving effect according to the difference in functionality demand of zones of different.Existing intelligent road-lamp mainly concentrates on and improves energy-saving efficiency, realization intellectual management two aspects.But exist input signal comparatively single, control program is comparatively simple, and light source is selected improper and reason such as light regulating technology is immature, has caused fail safe not high, and energy-saving efficiency is lower, and also there is certain influence in the street lamp life-span.
Summary of the invention
To the deficiency that prior art exists, the utility model provides that a kind of input signal variation, light source controllability are good, output illumination hommization, the higher intelligent stepless dimming LED (Light Emitting Diode) street lamp of energy-saving efficiency.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of intelligent stepless dimming LED (Light Emitting Diode) street lamp; Comprise importation, controller and output; Wherein, the importation is made up of acoustic control module, illuminance module, clock module, and acoustic control module, illuminance module, clock module connect through corresponding IO Interface and Controler; Output is connected to form by power module and LED light emitting module, and output is connected with controller through power module.
Above-mentioned power module is made up of constant-voltage DC source, step-down IC drive circuit and constant current IC drive circuit; Step-down IC drive circuit all links to each other with constant-voltage DC source with constant current IC drive circuit; Constant current IC drive circuit is connected with the LED light emitting module, and power module is connected with controller with constant current IC drive circuit through step-down IC drive circuit.
Above-mentioned controller adopts STC12C5A60S2 model single-chip microcomputer.
Above-mentioned clock module adopts DSl302 model real-time timepiece chip.
Above-mentioned illuminance module adopts BH1750FVI model light intensity sensing module.
Above-mentioned acoustic control module is connected to form by microphone, A/D convertor circuit, signal amplification circuit in order.
Compared with prior art, the utlity model has following advantage and good effect:
1) the utility model adopts multiple input signal to guarantee to obtain the comprehensive of environmental information, sound with eliminated the not high shortcoming of time control adaptivity cooperating of light signal, make energy-saving efficiency reach the highest, and the road illumination of hommization be provided;
2) the utility model is taked the dimming mode that elementary brightness and optimal brightness combine, at the illuminating effect that guarantees under the prerequisite of fail safe to provide the best for Pedestrians and vehicles, and saves energy to greatest extent;
3) led light source of the utility model employing all has outstanding advantage on color rendering, energy-conserving and environment-protective, life-span height and digitlization controllable degree.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the IO distribution diagram of STC12C5A60S2 model single-chip microcomputer in this practical implementation.
Embodiment
Be described further below in conjunction with the practical implementation of accompanying drawing the utility model.
As shown in Figure 1; The utility model is a kind of intelligent stepless dimming LED (Light Emitting Diode) street lamp; It comprises importation, controller and output, and importation, controller, output link to each other in order, wherein; The importation is made up of acoustic control module, illuminance module, clock module, and acoustic control module, illuminance module, clock module connect through corresponding IO Interface and Controler.
The acoustic control module is connected to form by microphone, A/D convertor circuit, signal amplification circuit in order; Microphone is in order to gather the voice signal of street lamp surrounding environment; And convert voice signal to digital signal through A/D convertor circuit; Through signal amplification circuit digital signal is amplified again and obtain the effective impulse signal, the effective impulse signal is passed to controller through the IO interface.
The core of illuminance module is the light intensity sensing module, and the illuminance module is in order to gathering the light signal of street lamp surrounding environment, and after converting light signal to digital signal, through the IO interface digital signal is passed to controller.Adopt BH1750FVI model light intensity sensing module in this practical implementation, its resolution is between 1-65535lx.
The core of clock module is a real-time timepiece chip, and clock module is in order to judging the residing time, its can to year, the moon, day, the time, branch, second timing, and the leap year compensate function is arranged, and clock signal is passed to controller through corresponding IO interface.Adopt DSl302 model real-time timepiece chip in this practical implementation.
Output is connected to form by power module and LED light emitting module; Power module is made up of constant-voltage DC source, step-down IC drive circuit and constant current IC drive circuit; The input of constant-voltage DC source is connected with power line; The output of constant-voltage DC source is connected with the power input that constant current IC drives with step-down IC drive circuit respectively, and the output of step-down IC drive circuit connects the power input of controller, and the pwm signal input of constant current IC drive circuit links to each other with the pwm signal output of controller; In order to receive the pwm signal of controller output, the output of constant current IC drive circuit links to each other with the power input of LED light emitting module.
Constant-voltage DC source converts the 220V electric main into a little more than the work of LED light emitting module direct voltage source; Step-down IC drive circuit will convert the 5V constant voltage source that controller needs into through the direct voltage source after the constant-voltage DC source conversion; Constant current IC drive circuit will convert constant-current supply into through the direct voltage source after the constant-voltage DC source conversion, for the LED light emitting module provides constant-current supply.
Controller is made up of STC12C5A60S2 model single-chip microcomputer and correspondent peripheral circuit thereof, and controller is in order to receiving the signal of acoustic control module, illuminance module, clock module, and according to signal the brightness of LED light emitting module is regulated.Shown in Figure 2 is the IO distribution diagram of STC12C5A60S2 model single-chip microcomputer; As shown in the figure, P10 and P11 are the interface of single-chip microcomputer and illuminance module, and single-chip microcomputer adopts bus protocol to communicate by letter with the illuminance module; Wherein SCL is the clock cable of EBI, and SDA is the data signal line of EBI; P32/INT0 is the interface of single-chip microcomputer and acoustic control module, when the acoustic control module perceives voice signal, produces a negative saltus step on this interface, thereby makes single-chip microcomputer get into interrupt handling routine; P13/CPP0 and P14/CPP1 are the communication interfaces of single-chip microcomputer and constant current IC drive circuit, are used for the output of pwm signal.
During enforcement, the illuminance module is installed in the street lamp lampshade back side, and acoustic control module, illuminance module, clock module, power module are integrated on the circuit board, after encapsulation, is installed in the lampshade side, and the microphone of paying special attention to the acoustic control module will face toward the road surface.Acoustic control module and illuminance module can be configured according to requirement of client and concrete condition.
According to national road illumination standards, the average illumination of different kinds of roads gets final product more than 30lx.Therefore can the unlatching light intensity threshold value of illuminance module be made as 30lx.If street lamp surrounding environment light intensity is higher than the unlatching light intensity threshold value of setting, then the LED light emitting module is in light and closes state, and controller also is in resting state, energy savings effectively; If street lamp surrounding environment light intensity is lower than the unlatching light intensity threshold value of setting, set or rainy weather etc. like the sun, then control system is waken up, and street lamp is opened also and is in elementary brightness, and makes road illumination keep 30lx; When street lamp surrounding environment light intensity in 1 ~ 30lx scope, the duty ratio that controller removes the controller output pwm signal according to the power of surround lighting, thus regulate the brightness of LED light emitting module, make road illumination keep 30lx; When street lamp surrounding environment light intensity during less than 1lx, controller is directly controlled light output and is made road illumination 30lx, and the duty ratio of the pwm signal of controller output this moment is the value under the specified illumination.
Trigger controller and cause signal to disturb for fear of unnecessary noise, therefore can the acoustic control module threshold be arranged on 50dB, when the sound amount in decibels of street lamp surrounding environment was lower than 50dB, the acoustic control module did not process; When the sound amount in decibels of street lamp surrounding environment was higher than 50dB, voice signal was passed to controller after the acoustic control resume module, and controller is according to the power of receiving signal joint LED light emitting module.When the illuminance module is gathered light signal; Controller control acoustic control module (can be provided with in advance blanking time) is whenever at regular intervals gathered the voice signal on the road; Measure the environment sound intensity when being higher than the sound intensity threshold value of setting when the acoustic control module is double; Controller accesses the corresponding dimming curve of magnitude of traffic flow statistical value of this area of storage in advance, exports corresponding optimal brightness of this moment, and under this brightness, keeps the regular hour (retention time can be provided with in advance); During this time if voice signal input, then optimal brightness time phase delay are arranged again.After the delay, elementary brightness is returned in lamp brightness, reaches energy-conservation effect.
Describe the course of work of the utility model below in detail:
At first, controller sends the luminous intensity measurement order to the illuminance module, and the brightness value LX that the illuminance module will collect light signal sends controller to through EBI; Then, controller compares the brightness value LX of the light signal that collects with the switching threshold OPEN_LX that pre-sets: if LX>OPEN_LX, represent that then surround lighting is enough strong, need not turn on light; If LX OPEN_LX, and then the representative ring environmental light is darker, should turn on light, and at this moment, controller reads the time of clock module, and judgement is first half of the night or after midnight.If be the first half of the night, the elementary brightness LX1 that output is provided with in advance; If be after midnight, the elementary brightness LX2 that output is provided with in advance.If in the stage of turning on light; The acoustic control module has detected voice signal, then can produce a negative saltus step on the P32 pin in controller, and controller gets into interrupt handling routine; Clock module is sent clock signal at this moment; The light modulation scheme of the magnitude of traffic flow statistical form in the combined memory is carried out the PWM light modulation to the LED light emitting module, and the output optimal brightness.Keep optimal brightness a period of time through controller, the LED light emitting module is got back to elementary brightness again afterwards.
The foregoing description is the preferred embodiments of the utility model; But execution mode of the present invention is not restricted to the described embodiments; The technical staff in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also make various conversion or modification; Therefore all technical schemes that are equal to are included within the protection range of the utility model.
Claims (6)
1. an intelligent stepless dimming LED (Light Emitting Diode) street lamp comprises importation, controller and output, it is characterized in that:
Described importation is made up of acoustic control module, illuminance module, clock module; Acoustic control module, illuminance module, clock module connect through corresponding IO Interface and Controler; Output is connected to form by power module and LED light emitting module, and output is connected with controller through power module.
2. intelligent stepless dimming LED (Light Emitting Diode) street lamp according to claim 1 is characterized in that:
Described power module is made up of constant-voltage DC source, step-down IC drive circuit and constant current IC drive circuit; Step-down IC drive circuit all links to each other with constant-voltage DC source with constant current IC drive circuit; Constant current IC drive circuit is connected with the LED light emitting module, and power module is connected with controller with constant current IC drive circuit through step-down IC drive circuit.
3. intelligent stepless dimming LED (Light Emitting Diode) street lamp according to claim 1 is characterized in that:
Described controller adopts STC12C5A60S2 model single-chip microcomputer.
4. intelligent stepless dimming LED (Light Emitting Diode) street lamp according to claim 1 is characterized in that:
Described clock module adopts DSl302 model real-time timepiece chip.
5. intelligent stepless dimming LED (Light Emitting Diode) street lamp according to claim 1 is characterized in that:
Described illuminance module adopts BH1750FVI model light intensity sensing module.
6. intelligent stepless dimming LED (Light Emitting Diode) street lamp according to claim 1 is characterized in that:
Described acoustic control module is connected to form by microphone, A/D convertor circuit, signal amplification circuit in order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203588248U CN202210891U (en) | 2011-09-23 | 2011-09-23 | Intelligent stepless dimming LED (Light-Emitting Diode) street lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203588248U CN202210891U (en) | 2011-09-23 | 2011-09-23 | Intelligent stepless dimming LED (Light-Emitting Diode) street lamp |
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| CN202210891U true CN202210891U (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203588248U Expired - Fee Related CN202210891U (en) | 2011-09-23 | 2011-09-23 | Intelligent stepless dimming LED (Light-Emitting Diode) street lamp |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105264582A (en) * | 2013-02-15 | 2016-01-20 | 布赖特鲁特有限公司 | Evacuation assistance apparatus |
| TWI559814B (en) * | 2015-05-29 | 2016-11-21 | 明緯（廣州）電子有限公司 | Adaptive modulation method in response to records of turn on and turn off |
| CN106162984A (en) * | 2016-06-23 | 2016-11-23 | 浙江大学 | Double optical sensor led street lamp control system |
| CN106851910A (en) * | 2017-02-14 | 2017-06-13 | 昆山高过云智能科技有限公司 | Realize the control device of ladder light modulation |
| CN107041054A (en) * | 2017-06-02 | 2017-08-11 | 浪潮金融信息技术有限公司 | Lamp light control method and device |
| CN110087380A (en) * | 2019-05-20 | 2019-08-02 | 长沙学院 | A kind of adaptive light modulator of street lamp and light-dimming method |
| CN113079613A (en) * | 2021-04-09 | 2021-07-06 | 江苏安岚特智能科技有限公司 | Intelligent lamp pole centralized dispatching method |
| CN113766698A (en) * | 2021-11-08 | 2021-12-07 | 瑞森半导体科技(广东)有限公司 | LED driving circuit and control method thereof |
-
2011
- 2011-09-23 CN CN2011203588248U patent/CN202210891U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105264582A (en) * | 2013-02-15 | 2016-01-20 | 布赖特鲁特有限公司 | Evacuation assistance apparatus |
| CN105264582B (en) * | 2013-02-15 | 2017-11-10 | 布赖特鲁特有限公司 | Evacuate auxiliary equipment |
| TWI559814B (en) * | 2015-05-29 | 2016-11-21 | 明緯（廣州）電子有限公司 | Adaptive modulation method in response to records of turn on and turn off |
| CN106162984A (en) * | 2016-06-23 | 2016-11-23 | 浙江大学 | Double optical sensor led street lamp control system |
| CN106851910A (en) * | 2017-02-14 | 2017-06-13 | 昆山高过云智能科技有限公司 | Realize the control device of ladder light modulation |
| CN106851910B (en) * | 2017-02-14 | 2019-02-01 | 昆山高过云智能科技有限公司 | Realize the control device of ladder light modulation |
| CN107041054A (en) * | 2017-06-02 | 2017-08-11 | 浪潮金融信息技术有限公司 | Lamp light control method and device |
| CN110087380A (en) * | 2019-05-20 | 2019-08-02 | 长沙学院 | A kind of adaptive light modulator of street lamp and light-dimming method |
| CN113079613A (en) * | 2021-04-09 | 2021-07-06 | 江苏安岚特智能科技有限公司 | Intelligent lamp pole centralized dispatching method |
| CN113766698A (en) * | 2021-11-08 | 2021-12-07 | 瑞森半导体科技(广东)有限公司 | LED driving circuit and control method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120502 Termination date: 20120923 |