CN103347348A - Solar LED streetlight controller - Google Patents
Solar LED streetlight controller Download PDFInfo
- Publication number
- CN103347348A CN103347348A CN2013103112593A CN201310311259A CN103347348A CN 103347348 A CN103347348 A CN 103347348A CN 2013103112593 A CN2013103112593 A CN 2013103112593A CN 201310311259 A CN201310311259 A CN 201310311259A CN 103347348 A CN103347348 A CN 103347348A
- Authority
- CN
- China
- Prior art keywords
- resistance
- control module
- street lamp
- led street
- effect transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention relates to a solar LED streetlight controller which comprises a controller, a solar panel, a storage battery and an LED streetlight. The controller is respectively connected with the solar panel, the storage battery and the LED streetlight. The controller comprises a storage battery reverse current proof module, a power tracking control module, a storage battery reversed connecting module, an LED streetlight power control module and a single-chip microcomputer control module. The storage battery reverse current proof module is respectively connected with the solar panel and the power tracking control module, the power tracking control module is respectively connected with the storage battery reversed connecting module and the single-chip microcomputer control module, the storage battery reversed connecting module is connected with the storage battery, the single-chip microcomputer control module is connected with the LED streetlight power control module, and the LED streetlight power control module is connected with the LED streetlight. The solar LED streetlight controller can improve energy receiving efficiency, reduce power receiving dead zones, accurately calculate electric quantity of the storage battery, reasonably distribute power output and reduce cost.
Description
Technical field
The present invention relates to LED solar energy from net generating illumination, be specifically related to a kind of solar LED street lamp controller.
Background technology
Because solar energy is unbalanced in the annual four seasons, the practical situation of present LED street lamp is excessive night illumination light source abundance in summer, very few night in winter light source to hold power not enough even some time are unglazed exportable, make the common people very low to the effect reception degree of solar street light.Advocating under the overall situation of low-carbon energy-saving, how to allow solar street light as continuing the target that available and popular acceptable degree is the solution of this controller.
Summary of the invention
The purpose of this invention is to provide a kind of solar LED street lamp controller, can improve the energy receiving efficiency, reduce power reception blind area, accurate Calculation accumulator electric-quantity, reasonable distribution power output and low-cost.
A kind of solar LED street lamp controller of the present invention comprises controller, solar panels, storage battery and LED street lamp, and described controller is connected with solar panels, storage battery and LED street lamp respectively
Described controller comprises anti-module, power tracking control module, reverse connection of accumulator module, LED street lamp power control module and the single chip control module of irritating in electricity storage preventing pond, the anti-module of irritating in described electricity storage preventing pond is connected with solar panels, power tracking control module respectively, described power tracking control module is connected with reverse connection of accumulator module, single chip control module respectively, described reverse connection of accumulator module is connected with storage battery, described single chip control module is connected with LED street lamp power control module, and described LED street lamp power control module is connected with the LED street lamp.
Described solar panels adopt monocrystalline silicon, or polysilicon, or amorphous silicon is made.
The anti-module of irritating in described electricity storage preventing pond comprises field-effect transistor Q1, diode D1, triode Q8, resistance R 1 and resistance R 4, the drain electrode of described field-effect transistor Q1 is connected with the positive pole of diode D1 with solar panels are anodal respectively, the source electrode of field-effect transistor Q1 is connected with the power tracking control module with resistance R 1 with the negative pole of diode D1 respectively, the other end of resistance R 1 is connected with the grid of field-effect transistor Q1 and the collector electrode of triode Q8 respectively, the emitter-base bandgap grading of triode Q8 is connected with ground, the base stage of triode Q8 is connected with resistance R 4, and the other end of resistance R 4 is connected with single chip control module.This counnter attack is irritated module and has been abandoned conventional diode counnter attack filling mode, field-effect transistor Q1 on-state resistance is lower than 0.02 ohm in charging process, reduce 60% to 95% than the diode mode in energy loss in the charging process, loss reduces 98% under the low situation of solar panels power points, improved the storage battery chargeable duration simultaneously, increased substantially overcast and rainy energy receiving efficiency, for continuous wet weather daybreak lamp provides sound assurance.
Described power tracking control module comprises field-effect transistor Q2, resistance R 2, resistance R 5, triode Q4, Q9, Q5, diode D2, inductance L 1, the source electrode of described field-effect transistor Q2 respectively with the anti-source electrode of irritating field-effect transistor Q1 in the module in described electricity storage preventing pond, one end of resistance R 2 and the collector electrode of triode Q4 connect, described resistance R 2 and triode Q4, Q9, Q5 forms the push-pull driver circuit to field-effect transistor Q2, the base stage of triode Q5 is connected with resistance R 5 one ends, the other end of resistance R 5 is connected with single chip control module, the drain electrode of field-effect transistor Q2 is connected with inductance L 1 one ends with the negative pole of diode D2 respectively, and the other end of inductance L 1 is connected with positive pole and the reverse connection of accumulator module of capacitor C 6 respectively.This solar maximum power tracking module is by the maximum power point of program control sun-tracing energy, and actual measurement solar can reach 95% by receiving efficiency.
Described reverse connection of accumulator module comprises field-effect transistor Q11 and resistance R 3, and the grid of described field-effect transistor Q11 is connected with resistance R 3 one ends, and the other end of resistance R 3 just is connected with storage battery.This circuit is simple and reliable, and cost is low, and input and output reach 5 peace field-effect transistor Q11 pressure drops and are lower than 0.05V, and power consumption 0.25W, traditional anti-reverse use diode, electric current reach 5 peace fixed pressure drop 0.8V, power consumption 4W.
Described adjustable power joint LED street lamp control module comprises resistance R 16, resistance R 17, field-effect transistor Q3, diode D3, triode Q6, Q7, Q10, inductance L 2, capacitor C 5 and single-chip microcomputer, described resistance R 16 1 ends, the source electrode of field-effect transistor Q3 is connected with accumulator positive respectively, resistance R 16 and triode Q6, Q7, Q10 forms push-pull type MOSFET and drives, the base stage of triode Q7 is connected with resistance R 17 1 ends, the other end of resistance R 17 is connected with single-chip microcomputer 13 pin, the drain electrode of field-effect transistor Q3 is connected with an end of inductance L 2 and the negative pole of diode D3 respectively, and the other end of inductance L 2 is connected with the LED street lamp with capacitor C 5 respectively.This adjustable power joint LED street lamp control module can rely on the energy output of single-chip microcomputer impulse wave deformation power adjustments LED street lamp, and adjustable range 10% to 100% provides the energy conservation actuator of use rationally to single-chip computer control system.
Described single chip control module adopts IC chip PIC16F1783, they are 2 years old, 3 pin and resistance R 13, R14, R18, R19 connect to form solar cell panel voltages and accumulator voltage detecting circuit, 4,27 pin and resistance R 6, R15 connect to form battery current and LED street lamp output current detection circuit, 12 pin are connected with resistance R 4 does counnter attack filling control, 5 pin are connected with R5 does cell panel power Tracing Control, and 24 pin are connected power and regulate control with resistance R 17.This single chip control module contains counnter attack irritates algorithm, maximal power tracing algorithm, energy distribution algorithm
Beneficial effect of the present invention: it can be when solar light irradiation be arranged the maximum power point of tracking solar cell panel, allow the reception solar energy that storage battery can maximal efficiency, this moment, the solar panel power points was lower when no sunlight direct projection, the mode that circuit has been abandoned traditional anti-reverse diode is irritated in 0 pressure reduction counnter attack, utilize MOSFET when opening only 20 milliohm resistance widened the charging scope of storage battery, suitable with direct line charging effect through the reality test, guaranteed to lengthen in overcast and rainy charging interval time in winter, charging interval surpasses more than the twice of the time that diode is arranged in the selected test in time of reality, and charging current increases 30%-40%.The output of LED power adjustments is to regulate according to the electric weight calculating output intelligence of storage battery, when electric weight is not enough, regulate power output, target is to allow the LED street lamp that the light source output of 10% setting power of setting will be arranged under the overcast and rainy situation at continuous 20 days, there is light just to have a sense of security, there is light just to be hopeful, has light just can illuminate way home.
Description of drawings
Fig. 1 is circuit block diagram of the present invention;
Fig. 2 is circuit theory diagrams of the present invention;
Fig. 3 is scm software program flow diagram of the present invention.
Embodiment
Now by reference to the accompanying drawings the present invention is described in further detail:
Referring to Fig. 1 and Fig. 2, described a kind of solar LED street lamp controller comprises controller, solar panels 6, storage battery 8 and LED street lamp 7, and described controller is connected with solar panels 6, storage battery 8 and LED street lamp 7 respectively
Comprise the anti-module 1 of irritating in electricity storage preventing pond referring to the described controller of Fig. 1, power tracking control module 2, reverse connection of accumulator module 3, LED street lamp power control module 4 and single chip control module 5, described electricity storage preventing pond is counter irritate module 1 respectively with solar panels, power tracking control module 2 connects, described power tracking control module 2 respectively with reverse connection of accumulator module 3, single chip control module 5 connects, described reverse connection of accumulator module 3 is connected with storage battery, described single chip control module 5 is connected with LED street lamp power control module 4, and described LED street lamp power control module 4 is connected with LED street lamp 7.
Referring to Fig. 2, the anti-module 1 of irritating in described electricity storage preventing pond comprises field-effect transistor Q1, diode D1, triode Q8, resistance R 1 and resistance R 4, the drain electrode of described field-effect transistor Q1 is connected with the positive pole of diode D1 with solar panels are anodal respectively, the source electrode of field-effect transistor Q1 is connected with power tracking control module 2 with resistance R 1 with the negative pole of diode D1 respectively, the other end of resistance R 1 is connected with the grid of field-effect transistor Q1 and the collector electrode of triode Q8 respectively, the emitter-base bandgap grading of triode Q8 is connected with ground, the base stage of triode Q8 is connected with resistance R 4, and the other end of resistance R 4 is connected with single chip control module 5.This counnter attack is irritated module and has been abandoned conventional diode counnter attack filling mode, field-effect transistor Q1 on-state resistance is lower than 0.02 ohm in charging process, reduce 60% to 95% than the diode mode in energy loss in the charging process, loss reduces 98% under the low situation of solar panels power points, improved the storage battery chargeable duration simultaneously, increased substantially overcast and rainy energy receiving efficiency, for continuous wet weather daybreak lamp provides sound assurance.
Referring to Fig. 2, described power tracking control module 2 comprises field-effect transistor Q2, resistance R 2, resistance R 5, triode Q4, Q9, Q5, diode D2, inductance L 1, the source electrode of described field-effect transistor Q2 respectively with the anti-source electrode of irritating field-effect transistor Q1 in the module 1 in described electricity storage preventing pond, one end of resistance R 2 and the collector electrode of triode Q4 connect, described resistance R 2 and triode Q4, Q9, Q5 forms the push-pull driver circuit to field-effect transistor Q2, the base stage of triode Q5 is connected with resistance R 5 one ends, the other end of resistance R 5 is connected with single chip control module 5, the drain electrode of field-effect transistor Q2 is connected with inductance L 1 one ends with the negative pole of diode D2 respectively, and the other end of inductance L 1 is connected with positive pole and the reverse connection of accumulator module 3 of capacitor C 6 respectively.This solar maximum power tracking module is by the maximum power point of program control sun-tracing energy, and actual measurement solar can reach 95% by receiving efficiency.
Referring to Fig. 2, described reverse connection of accumulator module 3 comprises field-effect transistor Q11 and resistance R 3, and the grid of described field-effect transistor Q11 is connected with resistance R 3 one ends, and the other end of resistance R 3 just is connected with storage battery.This circuit is simple and reliable, and cost is low, and input and output reach 5 peace field-effect transistor Q11 pressure drops and are lower than 0.05V, and power consumption 0.25W, traditional anti-reverse use diode, electric current reach 5 peace fixed pressure drop 0.8V, power consumption 4W.
Referring to Fig. 2, described adjustable power joint LED street lamp control module 4 comprises resistance R 16, resistance R 17, field-effect transistor Q3, diode D3, triode Q6, Q7, Q10, inductance L 2, capacitor C 5 and single-chip microcomputer, described resistance R 16 1 ends, the source electrode of field-effect transistor Q3 is connected with accumulator positive respectively, resistance R 16 and triode Q6, Q7, Q10 forms push-pull type MOSFET and drives, the base stage of triode Q7 is connected with resistance R 17 1 ends, the other end of resistance R 17 is connected with single-chip microcomputer 13 pin, the drain electrode of field-effect transistor Q3 is connected with an end of inductance L 2 and the negative pole of diode D3 respectively, and the other end of inductance L 2 is connected with LED street lamp 7 with capacitor C 5 respectively.This adjustable power joint LED street lamp control module can rely on the energy output of single-chip microcomputer impulse wave deformation power adjustments LED street lamp, and adjustable range 10% to 100% provides the energy conservation actuator of use rationally to single-chip computer control system.
Referring to Fig. 2, described single chip control module 5 adopts IC chip PIC16F1783, they are 2 years old, 3 pin and resistance R 13, R14, R18, R19 connect to form solar cell panel voltages and accumulator voltage detecting circuit, 4,27 pin and resistance R 6, R15 connect to form battery current and LED street lamp 7 output current detection circuits, 12 pin are connected with resistance R 4 does counnter attack filling control, and 5 pin are connected with R5 does cell panel power Tracing Control, and 24 pin are connected power and regulate control with resistance R 17.This single chip control module contains counnter attack irritates algorithm, maximal power tracing algorithm, energy distribution algorithm.
Solar panels of the present invention adopt monocrystalline silicon, or polysilicon, or amorphous silicon is made.
Adopt real-time cycle detection control model referring to Fig. 3 program, 0.1 millisecond of cycle period.Detect solar panels voltage and whether reach the level that can charge, if, then close the anti-pattern of irritating in electricity storage preventing pond, call the power tracking modular program; If not, then judge whether to reach the state at night, calculate actual power output according to setting power, lighting time, accumulator electric-quantity.
Claims (8)
1. a solar LED street lamp controller comprises controller, solar panels (6), storage battery (8) and LED street lamp, and described controller is connected with solar panels (6), storage battery (8) and LED street lamp (7) respectively.
2. it is characterized in that: described controller comprises the anti-module (1) of irritating in electricity storage preventing pond, power tracking control module (2), reverse connection of accumulator module (3), LED street lamp power control module (4) and single chip control module (5), described electricity storage preventing pond is counter irritate module (1) respectively with solar panels (6), power tracking control module (2) connects, described power tracking control module (2) respectively with reverse connection of accumulator module (3), single chip control module (5) connects, described reverse connection of accumulator module (3) is connected with storage battery, described single chip control module (5) is connected with LED street lamp power control module (4), and described LED street lamp power control module (4) is connected with LED street lamp (7).
3. solar LED street lamp controller according to claim 1, it is characterized in that: the anti-module (1) of irritating in described electricity storage preventing pond comprises field-effect transistor Q1, diode D1, triode Q8, resistance R 1 and resistance R 4, the drain electrode of described field-effect transistor Q1 is connected with the positive pole of diode D1 with solar panels (6) are anodal respectively, the source electrode of field-effect transistor Q1 is connected with power tracking control module (2) with resistance R 1 with the negative pole of diode D1 respectively, the other end of resistance R 1 is connected with the grid of field-effect transistor Q1 and the collector electrode of triode Q8 respectively, the emitter-base bandgap grading of triode Q8 is connected with ground, the base stage of triode Q8 is connected with resistance R 4, and the other end of resistance R 4 is connected with single chip control module (5).
4. solar LED street lamp controller according to claim 1, it is characterized in that: described power tracking control module (2) comprises field-effect transistor Q2, resistance R 2, resistance R 5, triode Q4, Q9, Q5, diode D2, inductance L 1, the source electrode of described field-effect transistor Q2 respectively with the anti-source electrode of irritating field-effect transistor Q1 in the module (1) in described electricity storage preventing pond, one end of resistance R 2 and the collector electrode of triode Q4 connect, described resistance R 2 and triode Q4, Q9, Q5 forms the push-pull driver circuit to field-effect transistor Q2, the base stage of triode Q5 is connected with resistance R 5 one ends, the other end of resistance R 5 is connected with single chip control module (5), the drain electrode of field-effect transistor Q2 is connected with inductance L 1 one ends with the negative pole of diode D2 respectively, and the other end of inductance L 1 is connected with positive pole and the reverse connection of accumulator module (3) of capacitor C 6 respectively.
5. solar LED street lamp controller according to claim 1, it is characterized in that: described reverse connection of accumulator module (3) comprises field-effect transistor Q11 and resistance R 3, the grid of described field-effect transistor Q11 is connected with resistance R 3 one ends, and the other end of resistance R 3 just is connected with storage battery.
6. solar LED street lamp controller according to claim 1, it is characterized in that: described adjustable power joint LED street lamp control module (4) comprises resistance R 16, resistance R 17, field-effect transistor Q3, diode D3, triode Q6, Q7, Q10, inductance L 2, capacitor C 5 and single-chip microcomputer, described resistance R 16 1 ends, the source electrode of field-effect transistor Q3 is connected with accumulator positive respectively, resistance R 16 and triode Q6, Q7, Q10 forms push-pull type MOSFET and drives, the base stage of triode Q7 is connected with resistance R 17 1 ends, the other end of resistance R 17 is connected with single-chip microcomputer 13 pin, the drain electrode of field-effect transistor Q3 is connected with an end of inductance L 2 and the negative pole of diode D3 respectively, and the other end of inductance L 2 is connected with LED street lamp (7) with capacitor C 5 respectively.
7. solar LED street lamp controller according to claim 1, it is characterized in that: described single chip control module (5) adopts IC chip PIC16F1783, they are 2 years old, 3 pin and resistance R 13, R14, R18, R19 connect to form solar cell panel voltages and accumulator voltage detecting circuit, 4,27 pin and resistance R 6, R15 connect to form battery current and LED street lamp (7) output current detection circuit, 12 pin are connected with resistance R 4 does counnter attack filling control, 5 pin are connected with R5 does cell panel power Tracing Control, and 24 pin are connected power and regulate control with resistance R 17.
8. according to the arbitrary described solar LED street lamp controller of claim 1 to 6, it is characterized in that: described solar panels (6) adopt monocrystalline silicon, or polysilicon, or amorphous silicon is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311259.3A CN103347348B (en) | 2013-07-23 | 2013-07-23 | Solar LED streetlight controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310311259.3A CN103347348B (en) | 2013-07-23 | 2013-07-23 | Solar LED streetlight controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103347348A true CN103347348A (en) | 2013-10-09 |
| CN103347348B CN103347348B (en) | 2015-02-25 |
Family
ID=49282115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310311259.3A Expired - Fee Related CN103347348B (en) | 2013-07-23 | 2013-07-23 | Solar LED streetlight controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103347348B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305396A (en) * | 2014-07-22 | 2016-02-03 | 无锡麟力科技有限公司 | ESD having anti-reverse protection integrated circuit |
| CN106451733A (en) * | 2016-11-30 | 2017-02-22 | 苏州市纽克斯照明有限公司 | Super-capacity solar controller |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949624A (en) * | 2006-11-27 | 2007-04-18 | 孙民兴 | Maximum power tracing method for solar power system and solar power device |
| CN201230389Y (en) * | 2008-06-24 | 2009-04-29 | 李健竑 | Solar energy road lamp controller |
| CN202738220U (en) * | 2012-09-07 | 2013-02-13 | 谢永桢 | Intelligent solar LED street lamp controller |
| CN103025028A (en) * | 2012-12-27 | 2013-04-03 | 康茂照明股份有限公司 | Solar LED street lamp controller |
| CN203435190U (en) * | 2013-07-23 | 2014-02-12 | 舒治成 | Solar energy led road lamp controller |
-
2013
- 2013-07-23 CN CN201310311259.3A patent/CN103347348B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1949624A (en) * | 2006-11-27 | 2007-04-18 | 孙民兴 | Maximum power tracing method for solar power system and solar power device |
| CN201230389Y (en) * | 2008-06-24 | 2009-04-29 | 李健竑 | Solar energy road lamp controller |
| CN202738220U (en) * | 2012-09-07 | 2013-02-13 | 谢永桢 | Intelligent solar LED street lamp controller |
| CN103025028A (en) * | 2012-12-27 | 2013-04-03 | 康茂照明股份有限公司 | Solar LED street lamp controller |
| CN203435190U (en) * | 2013-07-23 | 2014-02-12 | 舒治成 | Solar energy led road lamp controller |
Non-Patent Citations (1)
| Title |
|---|
| 彭芳: "基于PIC单片机的太阳能路灯智能控制器", 《微型机与应用》, no. 20, 30 December 2009 (2009-12-30) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305396A (en) * | 2014-07-22 | 2016-02-03 | 无锡麟力科技有限公司 | ESD having anti-reverse protection integrated circuit |
| CN106451733A (en) * | 2016-11-30 | 2017-02-22 | 苏州市纽克斯照明有限公司 | Super-capacity solar controller |
| CN106451733B (en) * | 2016-11-30 | 2023-05-30 | 苏州纽克斯电源技术股份有限公司 | Super-capacity solar controller |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103347348B (en) | 2015-02-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102913839B (en) | Solar power supplied energy-saving illumination system | |
| CN203190283U (en) | Tracking type solar street lamp intelligent control system | |
| CN205430689U (en) | But solar energy LED street lamp terminal control circuit of network deployment control | |
| CN204652744U (en) | Anti-interference solar street light circuit | |
| CN103347348B (en) | Solar LED streetlight controller | |
| CN203708963U (en) | Solar irrigation control circuit | |
| CN203632908U (en) | Solar lamp control device | |
| CN105519408A (en) | Wireless network terminal node with function of automatic water-saving irrigation and application thereof | |
| CN205124043U (en) | Intelligent solar street lamp system | |
| CN203435190U (en) | Solar energy led road lamp controller | |
| CN204168546U (en) | A kind of solar LED street lamp control system | |
| CN206807841U (en) | A kind of street lamp with environment self-adaption brightness control function | |
| CN204256501U (en) | A kind of potted landscape growing environment automatic detection and control system | |
| CN202931628U (en) | Solar LED wireless control constant current integral controller | |
| CN202738220U (en) | Intelligent solar LED street lamp controller | |
| CN205754974U (en) | A kind of Multifunctional smart street lamp | |
| CN204559959U (en) | A kind of power is from the solar street lamp controller of motion tracking | |
| CN202444669U (en) | Intelligent LED (light emitting diode) streetlamp power controller | |
| CN202149911U (en) | Power supply circuit of external battery for intelligent three-phase charge control electric meter | |
| CN203590771U (en) | Soil temperature and humidity adjusting system for greenhouse | |
| CN209627755U (en) | A kind of solar street lamp controller based on MPPT | |
| CN202444656U (en) | Led illuminating lamp | |
| CN201758372U (en) | Solar energy power source with power converter | |
| CN201475861U (en) | Infrared induction solar photovoltaic illumination control device | |
| CN104602409A (en) | Solar LED (light emitting diode) streetlamp driving controller in integrated structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20150225 Termination date: 20210723 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |