CN110519887B - Quick electricity storage and saving system for street lamp - Google Patents
Quick electricity storage and saving system for street lamp Download PDFInfo
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- CN110519887B CN110519887B CN201910821823.3A CN201910821823A CN110519887B CN 110519887 B CN110519887 B CN 110519887B CN 201910821823 A CN201910821823 A CN 201910821823A CN 110519887 B CN110519887 B CN 110519887B
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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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 invention relates to a street lamp rapid electricity storage and saving system which comprises a solar panel, an LED street lamp, a low-power energy storage device, a high-power energy storage device and a power generation device, wherein the low-power energy storage device and the power generation device are respectively connected with the solar panel, and the LED street lamp and the high-power energy storage device are respectively connected with the power generation device; an automatic switch is arranged between the solar panel and the power generation device so as to automatically switch the connection state of the solar panel and the power generation device according to the weather condition. The invention can not only realize the effects of rapid electricity storage and energy saving, but also effectively improve the conversion efficiency of electric energy and reduce the electric energy loss.
Description
Technical Field
The invention relates to the technical field of solar power generation, in particular to a rapid electricity storage and saving system for a street lamp.
Background
With the increasing global energy consumption and environmental pollution, the country supports and encourages the use of clean energy, while solar energy, one of the most widely used and technically mature clean energy, has been gradually applied to various fields including aviation, industry, military and the like, and with the mature technology, the cost is reduced, and the civil field has been widely popularized and used.
The conversion efficiency of the current solar panel is usually only 10-15%, and people need to assemble a large solar panel with a plurality of solar panels in order to collect microwave output current output by the solar panel, and even make a multilayer structure to realize the output of large current, and then utilize devices such as electronic elements and storage batteries to store electric energy. However, due to the lifetime limitations of electronic components and batteries, the added electronic components and circuits have lower conversion rates, resulting in greater power consumption and more harmful heat generation. And along with output's increase, energy storage system structure is complicated, and the reliability is low, also is inconvenient to be applied to a plurality of different places, is unfavorable for solar energy effectively to utilize and solar energy technology has further popularization.
Disclosure of Invention
Therefore, there is a need for a rapid power storage and saving system for street lamps, which not only can achieve rapid power storage and energy saving effects, but also can effectively improve the conversion efficiency of electric energy and reduce the electric energy loss.
In order to achieve the above purpose, the invention adopts the following technical scheme.
The invention provides a street lamp rapid electricity storage and saving system which comprises a solar panel, an LED street lamp, a low-power energy storage device, a high-power energy storage device and a power generation device, wherein the low-power energy storage device and the power generation device are respectively connected with the solar panel, and the LED street lamp and the high-power energy storage device are respectively connected with the power generation device; an automatic switch is arranged between the solar panel and the power generation device and is suitable for automatically disconnecting the passage between the solar panel and the power generation device when the output power of the solar panel is lower than the rated input power of the power generation device or automatically closing the passage between the solar panel and the power generation device when the output power of the solar panel is higher than the rated input power of the power generation device.
Preferably, the power generation device comprises a generator and a direct current servo motor for driving the generator, the direct current servo motor is connected with the automatic switch, and the generator is connected with the LED street lamp and the high-power energy storage device.
Preferably, the LED street lamp is respectively connected with the power generation device and the high-power energy storage device through a controllable switch, the controllable switch is connected with a photosensitive controller, and the photosensitive controller controls the on-off of the controllable switch.
Preferably, the output end of the power generation device is connected with a rectification circuit, and the power generation device is connected with the LED street lamp and the high-power energy storage device through the rectification circuit.
Preferably, the output end of the solar panel is connected in parallel with a capacitor for filtering.
Preferably, the solar panel is further connected with the high-power energy storage device through a direct current transformer.
Preferably, the automatic switch is a single-pole double-throw switch, the single-pole double-throw switch has a movable end and two immovable ends, the movable end is connected with the solar panel, one of the immovable ends is connected with the dc transformer, and the other is connected with the power generation device.
Preferably, the single-pole double-throw switch is controlled to be switched on and off by an MPPT controller.
Preferably, the MPPT controller is connected to an output of the solar panel through a shunt.
Preferably, the direct current servo motor is a permanent magnet motor.
The low-power energy storage device is used for storing low-power output generated in rainy days, the power generation device is used for converting high-power output generated by the solar panel into larger voltage for outputting, so that the high-power energy storage device can be used for a street lamp, or the high-power energy storage device can be stored for standby use, so that the rapid power storage effect under different conditions is realized, and meanwhile, the LED is used as a light source of the street lamp, so that the electric energy can be effectively saved.
Drawings
Fig. 1 is a schematic structural diagram of a rapid power storage and saving system for a street lamp in this embodiment.
Detailed Description
The following further description is made with reference to the drawings and specific embodiments.
As shown in fig. 1, the embodiment provides a rapid power storage and saving system for a street lamp, which includes a solar panel, an LED street lamp, a low-power energy storage device, a high-power energy storage device, and a power generation device, where the low-power energy storage device and the power generation device are respectively connected to the solar panel, and the LED street lamp and the high-power energy storage device are respectively connected to the power generation device. An automatic switch is arranged between the solar panel and the power generation device and is suitable for automatically disconnecting the passage between the solar panel and the power generation device when the output power of the solar panel is lower than the rated input power of the power generation device or automatically closing the passage between the solar panel and the power generation device when the output power of the solar panel is higher than the rated input power of the power generation device.
Therefore, when the weather is rainy, the solar panel generates low-power output, at the moment, the automatic switch automatically disconnects the power generation device, and only the output electric energy is output to the low-power energy storage device. When the weather is sunny, the electric energy output by the solar panel is increased, at the moment, the automatic switch is automatically connected with the power generation device to drive the power generation device to work, and output with larger voltage is generated, so that the power is conveyed into the high-power energy storage device to be stored or is directly conveyed to the LED street lamp to be used.
Specifically, the power generation device comprises a power generator and a direct current servo motor for driving the power generator, the direct current servo motor is connected with the automatic switch, and the power generator is connected with the LED street lamp and the high-power energy storage device.
The direct current servo motor of the embodiment adopts the permanent magnet motor, and can work only by smaller starting voltage and rated power due to high power density and efficiency, so that the direct current servo motor is very suitable for being used as a driving device of a generator.
The LED street lamp is respectively connected with the power generation device and the high-power energy storage device through a controllable switch, the controllable switch is connected with a photosensitive controller, and the photosensitive controller controls the on-off of the controllable switch. In order to avoid wasting electric energy, the embodiment can automatically sense the ambient light so as to judge whether the street lamp needs to be lightened, and the scheme of combining the photosensitive controller with the controllable switch is adopted, so that the structure of the control circuit is simplified, the control cost is reduced, and the reliability can be ensured.
In addition, the output end of the power generation device is connected with a rectification circuit, and the power generation device is connected with the LED street lamp and the high-power energy storage device through the rectification circuit. Because the power generation device outputs alternating current, the alternating current is firstly converted into direct current through the rectifying circuit and then is input into the high-power energy storage device.
Preferably, the output end of the solar panel is connected in parallel with a capacitor for filtering. Because the output current or voltage of the solar panel has a lot of noise and noise, before being output to the low-power energy storage device and the power generation device, the output current or voltage of the solar panel needs to be filtered, so that unnecessary interference and heat are avoided, and even components and power generation devices in a circuit are prevented from being damaged.
Meanwhile, the solar panel is connected with the high-power energy storage device through a direct current transformer, so that when the output power of the solar panel is large enough, the output power of the solar panel is boosted through the direct current transformer and then directly stored in the high-power energy storage device, and the conversion rate of the solar energy can be further improved.
Further, the automatic switch may be a single-pole double-throw switch, the single-pole double-throw switch has a movable end and two immovable ends, the movable end is connected to the solar panel, one of the immovable ends is connected to the dc transformer, and the other is connected to the power generation device.
And, the single-pole double-throw switch controls its break-make through a MPPT controller (Maximum Power Point Tracking, solar controller), the MPPT controller is connected to solar panel's output through a shunt, is supplied Power for it by solar panel.
In summary, the low-power energy storage device is used for storing the low-power output generated in rainy days, and the power generation device is used for converting the high-power output generated by the solar panel into larger voltage for outputting, so as to be used by the street lamp, or stored in the high-power energy storage device for standby use, so that the rapid power storage effect under different conditions is realized, and meanwhile, the LED is used as the light source of the street lamp, so that the electric energy can be effectively saved.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (10)
1. The utility model provides a quick electricity storage economize on electricity system of street lamp, includes solar panel and LED street lamp, its characterized in that: the LED street lamp further comprises a low-power energy storage device, a high-power energy storage device and a power generation device, wherein the low-power energy storage device and the power generation device are respectively connected with the solar panel, and the LED street lamp and the high-power energy storage device are respectively connected with the power generation device; an automatic switch is arranged between the solar panel and the power generation device and is suitable for automatically disconnecting the passage between the solar panel and the power generation device when the output power of the solar panel is lower than the rated input power of the power generation device or automatically closing the passage between the solar panel and the power generation device when the output power of the solar panel is higher than the rated input power of the power generation device.
2. The street lamp rapid power storage and saving system as claimed in claim 1, wherein: the power generation device comprises a power generator and a direct-current servo motor for driving the power generator, the direct-current servo motor is connected with the automatic switch, and the power generator is connected with the street lamp and the high-power energy storage device.
3. The street lamp rapid power storage and saving system as claimed in claim 1 or 2, characterized in that: the LED street lamp is respectively connected with the power generation device and the high-power energy storage device through a controllable switch, the controllable switch is connected with a photosensitive controller, and the photosensitive controller controls the on-off of the controllable switch.
4. The street lamp rapid power storage and saving system as claimed in claim 1 or 2, characterized in that: the output end of the power generation device is connected with a rectification circuit, and the power generation device is connected with the LED street lamp and the high-power energy storage device through the rectification circuit.
5. The street lamp rapid power storage and saving system as claimed in claim 1, wherein: and the output end of the solar panel is connected with a capacitor for filtering in parallel.
6. The street lamp rapid power storage and saving system as claimed in claim 1 or 2, characterized in that: the solar panel is also connected with the high-power energy storage device through a direct current transformer.
7. The street lamp rapid power storage and saving system as claimed in claim 6, wherein: the automatic switch is a single-pole double-throw switch, the single-pole double-throw switch is provided with a movable end and two immovable ends, the movable end is connected with the solar panel, one immovable end is connected with the direct current transformer, and the other immovable end is connected with the power generation device.
8. The street lamp rapid power storage and saving system as claimed in claim 7, wherein: the single-pole double-throw switch is controlled to be switched on and off through an MPPT controller.
9. The street lamp rapid power storage and saving system as claimed in claim 8, wherein: the MPPT controller is connected to the output end of the solar panel through a shunt.
10. The street lamp rapid power storage and saving system as claimed in claim 2, wherein: the direct current servo motor is a permanent magnet motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821823.3A CN110519887B (en) | 2019-09-02 | 2019-09-02 | Quick electricity storage and saving system for street lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910821823.3A CN110519887B (en) | 2019-09-02 | 2019-09-02 | Quick electricity storage and saving system for street lamp |
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| CN110519887A CN110519887A (en) | 2019-11-29 |
| CN110519887B true CN110519887B (en) | 2021-11-12 |
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| CN201910821823.3A Active CN110519887B (en) | 2019-09-02 | 2019-09-02 | Quick electricity storage and saving system for street lamp |
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| CN205566703U (en) * | 2016-01-14 | 2016-09-07 | 山东科技大学 | Novel complementary LED street lamp control system of scene |
| CN109286199A (en) * | 2018-11-23 | 2019-01-29 | 上海动力储能电池系统工程技术有限公司 | The energy storage control method and system of parallel net type light storage charging system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US7964787B2 (en) * | 2008-05-21 | 2011-06-21 | Deepak Jaisinghani | Hybrid solar power generator |
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2019
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| JP2005192378A (en) * | 2003-12-25 | 2005-07-14 | Azu Kikaku Sekkei:Kk | Electric system for container and simple warehouse |
| CN102056379A (en) * | 2010-12-11 | 2011-05-11 | 肇庆市展明节能科技有限公司 | Solar high-power LED indoor life lighting system |
| US9103328B1 (en) * | 2011-08-15 | 2015-08-11 | Richard D Kilgore | Magnified solar energy generator |
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| CN110519887A (en) | 2019-11-29 |
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