CN107370231B - Charging circuit and charging method of solar energy benefit and protection lamp - Google Patents
Charging circuit and charging method of solar energy benefit and protection lamp Download PDFInfo
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- CN107370231B CN107370231B CN201710803663.0A CN201710803663A CN107370231B CN 107370231 B CN107370231 B CN 107370231B CN 201710803663 A CN201710803663 A CN 201710803663A CN 107370231 B CN107370231 B CN 107370231B
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- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000003990 capacitor Substances 0.000 claims description 58
- 238000004804 winding Methods 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 238000012423 maintenance Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 102100028680 Protein patched homolog 1 Human genes 0.000 description 2
- 101710161390 Protein patched homolog 1 Proteins 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
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- 239000013543 active substance Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000749 insecticidal effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
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- H02J7/0077—
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention relates to the technical field of solar energy disinsection, in particular to a charging circuit of a solar energy benefit and protection lamp and a charging method thereof. The invention has the beneficial effects that: the solar cell panel voltage and the storage battery voltage are detected, the storage battery is charged in a boosting mode under the condition that the cell panel voltage is low, meanwhile, the multi-step constant current is adopted to avoid the service life reduction of the storage battery caused by charging, and meanwhile, the internal crystallization phenomenon of the storage battery is relieved and eliminated by high-frequency resonance pulse current repairability charging.
Description
Technical Field
The invention relates to the technical field of solar insect killing, in particular to a charging circuit of a solar energy benefit and protection lamp and a charging method thereof.
Background
According to the analysis of the charging circuit of the existing insecticidal lamp controller in the market, the storage battery is charged by a method of directly outputting the maximum current by the solar panel and controlling the on-off of the solar panel and the storage battery by a switching device when the voltage of the solar panel is higher than the voltage of the storage battery. In the later stage of charging the accumulator, when the charging current is still large, most of the current is used for decomposing water. A large amount of bubbles are generated. The active substances on the polar plate are easy to fall off, and the service life of the storage battery is influenced. When the voltage of the solar cell is lower than the voltage of the storage battery, the solar cell cannot be effectively utilized, and the service efficiency of the solar cell panel is reduced.
The accumulator belongs to a high-value consumable in the solar energy benefit and protection lamp, and the internal polar plate of the lead-acid accumulator used by the solar energy benefit and protection lamp is gradually crystallized when the insect-killing lamp is used, and the capacity is gradually reduced. The problem to be overcome is to reduce the maintenance cost of solar energy disinsection and prolong the service life of the storage battery.
Therefore, it is necessary to provide a charging circuit for a solar health light.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a charging circuit of a solar energy benefit and protection lamp and a charging method thereof.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the utility model provides a charging circuit of lamp is protected easily to solar energy, includes that voltage acquisition circuit, output filter circuit, charging current detection circuitry, charging current adjust control circuit, high-frequency pulse output and boost circuit, battery charge and discharge protection circuit, battery voltage acquisition circuit and solar energy are protected the lamp control unit easily, voltage acquisition circuit connects output filter circuit, output filter circuit connects charging current detection circuitry and charging current adjust control circuit respectively, charging current adjusts control circuit and loops through high-frequency pulse output and boost circuit, battery charge and discharge protection circuit, battery voltage acquisition circuit and connects solar energy and protect the lamp control unit easily.
Preferably, the voltage acquisition circuit comprises a fourth resistor, a sixth resistor, an eighth resistor and a sixth capacitor, wherein one end of the fourth resistor is connected with one end of the solar cell panel, and one end of the eighth resistor and one end of the sixth capacitor are connected with one end of the solar cell panel
Preferably, the other end of the sixth capacitor is connected to the other end of the fourth resistor through a sixth resistor, and the other end of the eighth resistor is connected to the other end of the fourth resistor.
Preferably, the output filter circuit includes a third capacitor, a fourth capacitor and a transformer primary coil winding, the charging current detection circuit includes a transformer secondary coil winding, and two ends of the transformer secondary coil winding are respectively connected with a first diode, a first resistor, a second resistor, a third resistor, a first capacitor and a second capacitor.
Preferably, one end of the third capacitor and one end of the fourth capacitor are connected with the solar panel, and the other ends of the third capacitor and the fourth capacitor are respectively connected with two ends of the primary coil winding of the transformer.
Preferably, the charging current regulation control circuit comprises a first MOS transistor, a fifth capacitor and a third diode, and the high-frequency pulse output and boost circuit comprises a second MOS transistor, a first inductor, a second inductor, a fifth diode, a fourth diode and an eighth capacitor.
Preferably, the drain of the first MOS transistor is connected to one end of a third diode and one end of a fifth capacitor, the other end of the third diode is connected to one end of a fifth diode, one end of a first inductor and one end of a fourth diode, and the other end of the fifth capacitor is connected to the drain of the second MOS transistor and one end of an eighth capacitor.
Preferably, the source of the second MOS transistor is connected to the other end of the fifth diode and one end of the second inductor, respectively, and the other end of the eighth capacitor is connected to the other ends of the first inductor and the second inductor, respectively.
Preferably, the battery charging and discharging protection circuit comprises a self-recovery fuse, and the battery voltage acquisition circuit comprises a fifth resistor, a seventh resistor, a ninth resistor and a seventh capacitor.
Preferably, the self-recovery fuse is respectively connected with the storage battery, the fourth diode, the fifth resistor and the solar energy benefit and protection lamp control unit, the ninth resistor and the seventh capacitor are respectively connected with the storage battery and the solar energy benefit and protection lamp control unit, and the fifth resistor is connected with the seventh capacitor through the seventh resistor.
A charging method using the charging circuit comprises the following steps:
when the solar energy benefit and protection lamp control unit detects the voltage of the solar cell panel and when the voltage of the solar cell panel is larger than 6V and smaller than or equal to the voltage of the storage battery, the solar energy benefit and protection lamp control unit outputs PWM1 which is PWM with the duty ratio of 100% to enable the second MOS tube Q2 to be always in a conducting state, meanwhile, the solar energy benefit and protection lamp control unit outputs PWM2 which outputs PWM signals with the frequency of 13kHz and the duty ratio of 0% -99%, the specific duty ratio is determined by the voltage of the storage battery collected by the solar energy benefit and protection lamp control and the charging current of the solar cell panel, and at the moment, a boosting circuit consisting of a fifth diode D5, a first inductor L1, a second inductor L2, an eighth capacitor C8, a second MOS tube Q2 and a fourth diode D4 provides high-frequency resonance charging current pulses for the storage;
when the voltage of the solar cell panel is higher than the voltage of the storage battery, the solar energy benefit and maintenance lamp control unit outputs PWM1 with the duty ratio of 6% -8% and the frequency of 20kHz, meanwhile, the solar energy benefit and maintenance lamp control unit outputs PWM signals with the PWM2 output frequency of 13kHz and the duty ratio of 0% -99%, the specific duty ratio is determined by the voltage of the storage battery collected by the solar energy benefit and maintenance lamp control and the charging current of the solar cell panel, and at the moment, the fifth diode D5, the first inductor L1, the second inductor L2, the eighth capacitor C8, the second MOS tube Q2 and the fourth diode D4 form high-frequency pulses to be output to provide the charging current for the storage battery.
Furthermore, the multi-step charging control mode is that the voltage charging current is obtained according to the voltage of the storage battery collected by the storage battery voltage collecting circuit through the solar energy benefit protection lamp control unit according to the voltage value technology, so that the duty ratio output of the PWM2 is adjusted, and the storage battery uses different charging currents in different charging stages.
The invention has the beneficial effects that: the solar cell panel voltage and the storage battery voltage are detected, the storage battery is charged in a boosting mode under the condition that the cell panel voltage is low, meanwhile, the multi-step constant current is adopted to avoid the service life reduction of the storage battery caused by charging, and meanwhile, the internal crystallization phenomenon of the storage battery is relieved and eliminated by high-frequency resonance pulse current repairability charging.
The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, the features and the effects of the present invention.
Drawings
FIG. 1 is a block diagram of the circuit configuration of the present invention;
fig. 2 is a circuit schematic of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 and fig. 2, a charging circuit of a solar energy benefit and protection lamp comprises a voltage acquisition circuit, an output filter circuit, a charging current detection circuit, a charging current regulation control circuit, a high-frequency pulse output and boost circuit, a storage battery charging and discharging protection circuit, a storage battery voltage acquisition circuit and a solar energy benefit and protection lamp control unit, wherein the voltage acquisition circuit is connected with the output filter circuit, the output filter circuit is respectively connected with the charging current detection circuit and the charging current regulation control circuit, and the charging current regulation control circuit is connected with the solar energy benefit and protection lamp control unit through the high-frequency pulse output and boost circuit, the storage battery charging and discharging protection circuit and the storage battery voltage acquisition circuit in sequence.
Further, the voltage acquisition circuit includes fourth resistance R4, sixth resistance R6, eighth resistance R8 and sixth electric capacity C6, solar cell panel's one end is connected to the one end of fourth resistance R4, solar cell panel's one end is all connected to the one end of eighth resistance R8 and the one end of sixth electric capacity C6, the other end of sixth electric capacity C6 passes through the other end that sixth resistance R6 connects fourth resistance R4, the other end of eighth resistance R8 connects the other end of fourth resistance R4.
Further, the output filter circuit comprises a third capacitor C3, a fourth capacitor C4 and a transformer T1 primary coil winding, the charging current detection circuit comprises a transformer T1 secondary coil winding, two ends of the transformer T1 secondary coil winding are respectively connected with a first diode D1, a first resistor R1, a second resistor R2, a third resistor R3, a first capacitor C1 and a second capacitor C2, one ends of the third capacitor C3 and the fourth capacitor C4 are connected with the solar panel, and the other ends of the third capacitor C3 and the fourth capacitor C4 are respectively connected with two ends of the transformer primary coil winding.
The charging current regulation control circuit comprises a first MOS tube Q1, a fifth capacitor C5 and a third diode D3, the high-frequency pulse output and boosting circuit comprises a second MOS tube Q2, a first inductor L1, a second inductor L2, a fifth diode D5, a fourth diode D4 and an eighth capacitor C8, the drain of the first MOS tube Q1 is connected with one end of the third diode D3 and one end of the fifth capacitor C5 respectively, the other end of the third diode D3 is connected with one end of the fifth diode D5, one end of the first inductor L1 and one end of the fourth diode D4 respectively, and the other end of the fifth capacitor C5 is connected with the drain of the second MOS tube Q2 and one end of the eighth capacitor respectively.
Further, the source of the second MOS transistor Q2 is connected to the other end of the fifth diode D5 and one end of the second inductor L2, the other end of the eighth capacitor C8 is connected to the other ends of the first inductor L1 and the second inductor L2, the battery charging and discharging protection circuit includes a self-recovery fuse PTC1, and the battery voltage acquisition circuit includes a fifth resistor R5, a seventh resistor R7, a ninth resistor R9, and a seventh capacitor C7.
In addition, the self-recovery fuse PTC1 is respectively connected with a storage battery, a fourth diode D4, a fifth resistor R5 and a solar energy benefit and protection lamp control unit, the ninth resistor R9 and a seventh capacitor C7 are respectively connected with the storage battery and the solar energy benefit and protection lamp control unit, and the fifth resistor R5 is connected with the seventh capacitor C7 through a seventh resistor R7.
The solar cell panel voltage and the storage battery voltage are detected, the storage battery is charged in a boosting mode under the condition that the cell panel voltage is low, meanwhile, the multi-step constant current is adopted to avoid the service life reduction of the storage battery caused by charging, and meanwhile, the internal crystallization phenomenon of the storage battery is relieved and eliminated by high-frequency resonance pulse current repairability charging.
When the solar energy benefit and protection lamp control unit detects the voltage of the solar cell panel, when the voltage of the solar cell panel is larger than 6V and smaller than or equal to the voltage of the storage battery, the solar energy benefit and protection lamp control unit outputs PWM1 (Pulse Width Modulation) with the duty ratio of 100% to enable the second MOS tube Q2 to be always in a conducting state, meanwhile, the solar energy benefit and protection lamp control unit outputs a PWM signal with the PWM2 output frequency of 13kHz and the duty ratio of 0% -99%, the specific duty ratio is determined by the voltage of the storage battery collected by the solar energy benefit and protection lamp control and the charging current of the solar cell panel, and at the moment, a boosting circuit consisting of a fifth diode D5, a first inductor L1, a second inductor L2, an eighth capacitor C8, a second MOS tube Q2 and a fourth diode D4 provides high-frequency resonant charging current pulses for the storage battery. When the voltage of the solar cell panel is higher than the voltage of the storage battery, the solar energy benefit and maintenance lamp control unit outputs PWM1 with the duty ratio of 6% -8% and the frequency of 20kHz, meanwhile, the solar energy benefit and maintenance lamp control unit outputs PWM signals with the PWM2 output frequency of 13kHz and the duty ratio of 0% -99%, the specific duty ratio is determined by the voltage of the storage battery collected by the solar energy benefit and maintenance lamp control and the charging current of the solar cell panel, and at the moment, the fifth diode D5, the first inductor L1, the second inductor L2, the eighth capacitor C8, the second MOS tube Q2 and the fourth diode D4 form high-frequency pulses to be output to provide the charging current for the storage battery.
The multi-step charging control mode is that the voltage charging current is obtained according to the voltage of the storage battery collected by the storage battery voltage collecting circuit through the solar energy benefit protection lamp control unit according to the voltage value technology, so that the duty ratio output of PWM2 is adjusted, and the storage battery uses different charging currents in different charging stages.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (2)
1. The utility model provides a charging circuit of solar energy benefit guarantor lamp which characterized in that: the solar charging and discharging protection circuit comprises a voltage acquisition circuit, an output filter circuit, a charging current detection circuit, a charging current regulation control circuit, a high-frequency pulse output and boosting circuit, a storage battery charging and discharging protection circuit, a storage battery voltage acquisition circuit and a solar energy benefit and protection lamp control unit, wherein the voltage acquisition circuit is connected with the output filter circuit, the output filter circuit is respectively connected with the charging current detection circuit and the charging current regulation control circuit, and the charging current regulation control circuit is connected with the solar energy benefit and protection lamp control unit sequentially through the high-frequency pulse output and boosting circuit, the storage battery charging and discharging protection circuit and the storage battery voltage acquisition circuit; the voltage acquisition circuit comprises a fourth resistor, a sixth resistor, an eighth resistor and a sixth capacitor, one end of the fourth resistor is connected with one end of the solar cell panel, and one end of the eighth resistor and one end of the sixth capacitor are both connected with one end of the solar cell panel; the other end of the sixth capacitor is connected with the other end of the fourth resistor through the sixth resistor, the other end of the eighth resistor is connected with the other end of the fourth resistor, the output filter circuit comprises a third capacitor, a fourth capacitor and a transformer primary coil winding, the charging current detection circuit comprises a transformer secondary coil winding, two ends of the transformer secondary coil winding are respectively connected with a first diode, a first resistor, a second resistor, a third resistor, a first capacitor and a second capacitor, one ends of the third capacitor and the fourth capacitor are connected with a solar cell panel, the other ends of the third capacitor and the fourth capacitor are respectively connected with two ends of the transformer primary coil winding, the charging current regulation control circuit comprises a first MOS (metal oxide semiconductor) tube, a fifth capacitor and a third diode, the high-frequency pulse output and boosting circuit comprises a second MOS tube, a first inductor, a second diode, a third diode, a fourth diode, a, The storage battery charging and discharging protection circuit comprises a self-recovery fuse, the storage battery voltage acquisition circuit comprises a fifth resistor, a seventh resistor, a ninth resistor and a seventh capacitor, the self-recovery fuse is respectively connected with a storage battery, a fourth diode, a fifth resistor and a solar energy benefit and protection lamp control unit, the ninth resistor and the seventh capacitor are respectively connected with the storage battery and the solar energy benefit and protection lamp control unit, and the fifth resistor is connected with the seventh capacitor through the seventh resistor.
2. A charging method using the charging circuit of claim 1, the method comprising:
when the solar energy benefit and protection lamp control unit detects the voltage of the solar cell panel and when the voltage of the solar cell panel is more than 6V and less than or equal to the voltage of the storage battery, the solar energy benefit and protection lamp control unit outputs PWM1 which is PWM with the duty ratio of 100% to enable the second MOS tube Q2 to be always in a conducting state, meanwhile, the solar energy benefit and protection lamp control unit outputs PWM2 which outputs PWM signals with the frequency of 13kHz and the duty ratio of 0% -99%, the specific duty ratio is determined by the voltage of the storage battery collected by the solar energy benefit and protection lamp control and the charging current of the solar cell panel, and at the moment, a boosting circuit consisting of a fifth diode D5, a first inductor L1, a second inductor L2, an eighth capacitor C8, a second MOS tube Q2 and a fourth diode D4 provides high-frequency resonance charging current pulses for the;
when the voltage of the solar panel is higher than the voltage of the storage battery, the solar energy benefit and maintenance lamp control unit outputs PWM1 with the duty ratio of 6-8% and the frequency of 20kHz, meanwhile, the solar energy benefit and protection lamp control unit outputs PWM2 output PWM signals with the frequency of 13kHz and the duty ratio of 0% -99%, the specific duty ratio is determined by the voltage of a storage battery collected by the solar energy benefit and protection lamp control and the charging current of the solar panel, at the moment, a fifth diode D5, a first inductor L1, a second inductor L2, an eighth capacitor C8, a second MOS tube Q2 and a fourth diode D4 form high-frequency pulses to output the charging current for the storage battery, the multi-step charging control mode is that the voltage of the storage battery collected by the storage battery voltage collection circuit is used for generating the charging current according to the voltage value technology by the solar energy benefit and protection lamp control unit, the duty cycle output of PWM2 is thereby adjusted to allow the battery to use different charging currents during different charging phases.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803663.0A CN107370231B (en) | 2017-09-08 | 2017-09-08 | Charging circuit and charging method of solar energy benefit and protection lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710803663.0A CN107370231B (en) | 2017-09-08 | 2017-09-08 | Charging circuit and charging method of solar energy benefit and protection lamp |
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| CN107370231A CN107370231A (en) | 2017-11-21 |
| CN107370231B true CN107370231B (en) | 2020-05-05 |
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| CN111934376A (en) * | 2020-07-29 | 2020-11-13 | 江阴华慧源电子技术有限公司 | Control method of low-voltage input constant-voltage output solar controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201750607U (en) * | 2010-09-10 | 2011-02-16 | 重庆辉腾光电有限公司 | Controller for solar energy street lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201750607U (en) * | 2010-09-10 | 2011-02-16 | 重庆辉腾光电有限公司 | Controller for solar energy street lamp |
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