CN205335970U - Roofing photovoltaic power generation system for building public lighting - Google Patents
Roofing photovoltaic power generation system for building public lighting Download PDFInfo
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- CN205335970U CN205335970U CN201620018598.1U CN201620018598U CN205335970U CN 205335970 U CN205335970 U CN 205335970U CN 201620018598 U CN201620018598 U CN 201620018598U CN 205335970 U CN205335970 U CN 205335970U
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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]
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model discloses a roofing photovoltaic power generation system for building public lighting, including the photovoltaic board, the photovoltaic board is solar energy conversion the electric energy and transmits the converter to boost, and the boost converter is connected to the dc bus, and the dc bus links to each other with dc -to -ac converter and buck -Boost converter respectively, and the buck -Boost converter links to each other with the battery, and the dc -to -ac converter passes through photovoltaic / commercial power automatic switch -over circuit and links to each other the photovoltaic based on battery residual capacity of this application, commercial power automatic switch -over circuit with the load. Battery residual capacity is considered to this circuit synthesis, introduces the control of sluggish winding simultaneously, and automatic switch -over to commercial power when the battery low -voltage switches to the photovoltaic when the battery high voltage. This control mode has improved load service reliability, has protected the battery, has prolonged battery life. Avoided commercial power, photovoltaic short -circuit fault, the frequent wrong trouble of switching to appear simultaneously.
Description
Technical field
This utility model relates to field of photovoltaic power generation, is specifically related to a kind of roofing photovoltaic electricity generation system being applied to building public illumination。
Background technology
Photovoltaic generation is a kind of cleaning, environmental protection, free of contamination regenerative resource。Comprehensively utilize photovoltaic power generation technology at building roof and will have following advantage:
1, continuable offer clean energy resource, it is possible to directly photovoltaic generation is applied in building distribution system。Power to the public illumination of building。
2, land utilization efficiency is improved。In the city of daily life, most roof does not make full use of。These roofs are installed photovoltaic panel, it will thus provide a considerable number of photovoltaic electric energy。Urban electricity supply anxiety problem can be alleviated further。
In existing independent type photovoltaic power generation system, remain in techniques below problem:
1. existing independent type photovoltaic power generation system is usually and is made up of photovoltaic panel, accumulator, inverter, load。When there is cloudy weather for several days running weather, batteries to store energy is not enough, it is possible to causes that load supplying interrupts, reduces power supply reliability。
2., in independent type photovoltaic power generation system, accumulator is old is originally about the half of photovoltaic generation totle drilling cost。Therefore, only by increasing accumulator quantity, guarantee continued power, system cost will be greatly increased, hinder development and the popularization of photovoltaic generation。
3. existing dual-power transfer switch only detects the voltage magnitude of major loop, back-up circuit, when main circuit voltage is lower than a certain amplitude, is switched to back-up circuit。
4. adopt the generating of existing independent photovoltaic, existing dual-power transfer switch, it is easy to make accumulator over-discharge。Accumulator over-discharge will cause that internal storage battery voltage raises, and plate active material irreversibility is damaged, and greatly reduces the capacity of accumulator。
Utility model content
For solving the deficiency that prior art exists, the utility model discloses a kind of roofing photovoltaic electricity generation system being applied to building public illumination, the application adopts photovoltaic/civil power automatic switch-over circuit to realize, when the electric energy that photovoltaic, accumulator provide is not enough to supply load, automatically switching to mains-supplied；When photovoltaic generation, batteries to store energy meet condition of power supply again, startup is switched to photovoltaic generation and powers。
For achieving the above object, concrete scheme of the present utility model is as follows:
A kind of roofing photovoltaic electricity generation system being applied to building public illumination, including photovoltaic panel, photovoltaic panel converts the solar into electric energy and transmits to Boost, Boost is connected to dc bus, dc bus is connected with inverter and One Buck-Boost converter body respectively, One Buck-Boost converter body is connected with accumulator, and inverter is connected with load by photovoltaic/civil power automatic switch-over circuit；
Photovoltaic/civil power automatic switch-over circuit is connected with control unit, and control unit switches to mains-supplied by detection accumulator voltage control photovoltaic/civil power automatic switch-over circuit or photovoltaic generation is powered。
Further, described Boost, One Buck-Boost converter body are connected with control unit respectively, accumulator is connected with control unit respectively through corresponding voltage detecting circuit and current detection circuit, dc bus is connected with control unit by corresponding voltage detecting circuit, and photovoltaic panel is connected with control unit by corresponding current detection circuit。
Further, photovoltaic/civil power automatic switch-over circuit includes the photovoltaic generation switch being connected with inverter and the urban electric power switch being electrically connected with city, photovoltaic generation switch and urban electric power switch are connected with each self-corresponding SSR solid-state relay drive circuit respectively, described SSR solid-state relay drive circuit includes photoelectric isolating circuit and Darlington drive circuit, the input of photoelectric isolating circuit is connected with control unit, and the outfan of photoelectric isolating circuit is connected with Darlington drive circuit。
Further, described photoelectric isolating circuit includes photoelectrical coupler, and an input of photoelectrical coupler is connected with control unit, and another input is connected with resistance and the diode of series connection。
Further, described Darlington drive circuit includes the first audion and the second audion, the base stage of the first audion is connected with the output of photoelectrical coupler by resistance, the emitter stage of the first audion and the base stage of the second audion are connected, the colelctor electrode of the first audion and the second audion is connected with relay respectively through resistance, wherein, it is also associated with diode between common port and the relay of two resistance。
Further; described load is LED; LED is connected with LED drive circuit; described LED drive circuit includes protection circuit, rectification circuit and reduction voltage circuit; the input of described protection circuit switchs with urban electric power switch or photovoltaic generation and is connected; the outfan of protection circuit is connected with reduction voltage circuit by rectification circuit, and described reduction voltage circuit is connected with LED。
Further, described protection circuit includes the varistor being connected with power supply, and varistor is connected with rectification circuit by critesistor。
Further, described rectification circuit includes the bridge circuit being made up of four diodes, bridge circuit and the first polar capacitor are in parallel, and power resistor is in parallel with the first polar capacitor after being in series with two electric capacity being in parallel, and two electric capacity being in parallel are connected with reduction voltage circuit。
Further, described voltage detecting circuit includes resistance pressure-dividing network circuit and subtraction circuit, resistance pressure-dividing network circuit includes the first resistance and the second resistance being connected with the first resistance, second resistance and electric capacity are in parallel, and resistance pressure-dividing network circuit is for the tested voltage signal of decay of equal proportion。
Further, subtraction circuit includes operational amplifier, it is connected to magnetic bead between operational amplifier positive terminal and ground, operational amplifier negative pole end divides two-way, one tunnel is connected with adjustable resistance, another road is connected with the resistance being in parallel and condenser network, and the resistance and the condenser network that are in parallel are connected with operational amplifier output terminal。
Further, described current detection circuit includes the accurate current sensing resistance, window comparator circuit and the subtraction circuit that are sequentially connected with, and described accurate current sensing resistance is connected in tested loop, and tested equal current proportion is converted to voltage signal；Window comparator circuit is for extracting the voltage differential signal of accurate current sensing resistance, and subtraction circuit is for by the decay of voltage differential signal equal proportion。
The beneficial effects of the utility model:
1. the application based on the photovoltaic of remaining battery capacity, civil power automatic switch-over circuit。This circuit synthesis considers remaining battery capacity, is simultaneously introduced sluggish winding and controls, automatically switches to civil power when accumulator low-voltage, be switched to photovoltaic when accumulator high voltage。This control mode improves load supplying reliability, protects accumulator, extends service lifetime of accumulator。Avoid civil power, there is short trouble in photovoltaic, frequent mistake switch failure simultaneously。
2. the LED drive circuit of the application。This circuit suppresses with dash current, lightning protection over-voltage protection function。This circuit can under civil power, two kinds of power supply modes of photovoltaic seamless switching, reliably working。Meanwhile, this circuit according to user's request, can regulate LED and export illumination, meet multiple occasion needs。
3. the solid-state relay drive circuit of the application。This circuit can be opened reliably, turn off solid-state relay。Achieve the reliable isolation of DSP and forceful electric power loop, protect dsp controller port。This circuit adds optocoupler current limiting measures, composite flooding strengthens driving electric current measure, solid-state relay afterflow measure。
4. the voltage detecting circuit of the application。This circuit can the tested voltage signal of acquisition of equal proportion。Meanwhile, this circuit adds magnetic bead element, it is possible to aftereffect filters the High-frequency Interference in tested loop, improves certainty of measurement。
Accompanying drawing explanation
The integrated circuit figure of the roofing photovoltaic electricity generation system of Fig. 1 the application；
The detailed circuit diagram of the roofing photovoltaic electricity generation system of Fig. 2 the application；
The relation schematic diagram of Fig. 3 accumulator voltage and SOC；
Fig. 4 sluggishness winding controls schematic diagram；
Fig. 5 photovoltaic generation, civil power automatic switchover schematic diagram；
Fig. 6 SSR solid-state relay drive circuit figure；
Fig. 7 LED drive circuit figure；
Fig. 8 voltage detecting circuit figure；
Fig. 9 current detection circuit figure。
Detailed description of the invention:
Below in conjunction with accompanying drawing, this utility model is described in detail:
Install at building roof and utilize photovoltaic power generation technology, it is possible to improve land utilization ratio, continue to obtain clean energy resource, it is possible to directly power to building。The invention discloses a kind of roofing photovoltaic electricity generation system suitable in building public illumination。As shown in Figure 1-2, this system is made up of photovoltaic panel, Boost, One Buck-Boost converter body, accumulator, inverter, photovoltaic/civil power automatic switch-over circuit, dsp controller and load。The present invention proposes a kind of photovoltaic based on remaining battery capacity/civil power automatic switch-over circuit, has both improve load supplying reliability, extends again service lifetime of accumulator, civil power, photovoltaic can be avoided short circuit problem occur simultaneously。The present invention devises a kind of LED drive circuit, and this circuit all can normal operation under photovoltaic, two kinds of powering modes of civil power, it is achieved that photovoltaic, civil power seamless switching。
Wherein, photovoltaic panel is used for receiving solar energy, and is converted to electric energy。Boost is used for realizing maximum power tracing, thus catching more solar energy。
Buck-boost converter circuit realizes the charge and discharge control to accumulator。Unnecessary electric energy is stored in accumulator by this circuit, when illumination deficiency, then is powered to the load by accumulator。The effect of inverter is that the unidirectional current that photovoltaic panel exports is converted to alternating current, powers to the load。
The effect of photovoltaic/civil power automatic switch-over circuit is, when the electric energy that photovoltaic, accumulator provide is not enough to supply load, automatically switches to mains-supplied；When photovoltaic generation, batteries to store energy meet condition of power supply again, startup is switched to photovoltaic generation and powers
Utilize existing double power supply automatic transfer switch, existing independent photovoltaic generation technology cannot realize reliable load supplying。Existing dual-power transfer switch only detects the voltage of major loop, back-up circuit, ignores the residual capacity of accumulator, it is easy to causes the irreversible overdischarge infringement of accumulator, affects the capacity of accumulator。
For this, the present invention devises a kind of photovoltaic based on remaining battery capacity/civil power automatic switch-over circuit。When implementing, the photovoltaic of the application/its method of work of civil power automatic switch-over circuit is:
(1) detection remaining battery capacity SOC。Remaining battery capacity SOC can be judged by detection accumulator voltage。The relation of accumulator voltage and SOC is as shown in Figure 3。
(2) when remaining battery capacity SOC is be more than or equal to 50%, it was shown that batteries to store energy is more, now, photovoltaic generating system power to the load。
(3) when remaining battery capacity SOC is less than 30%, it was shown that it is less that accumulator stores energy, if continuing electric discharge, will result in accumulator plate active substance and destroying, affecting accumulator capacity。Now, it is switched to utility mode, civil power powers to the load。
It addition, for avoiding system frequently mistake switching between civil power, photovoltaic power supply, avoid civil power and photovoltaic generation that short trouble occurs, add sluggish winding and control simultaneously。As shown in Figure 4, only meet an interval threshold, state switching could be realized。System is avoided to shake switching back and forth at a certain Near The Critical Point。Effectively raised the power supply reliability of load by this kind of method, extend service lifetime of accumulator。
What photovoltaic generation, civil power automatically switched implements circuit, as it is shown in figure 5, L, N end of electrical equipment is all connected with civil power, the L of photovoltaic, N parallel。At ordinary times, only a road power supply (civil power or photovoltaic) is connected with load。By controlling the unlatching of solid-state relay SSR1, SSR2, Guan Bi, photovoltaic, civil power automatic switchover can be realized。Using solid-state relay, compared with traditional relay, it does not have contact, the life-span is long, does not have spark phenomenon。
SSR solid-state relay drive circuit is as shown in Figure 6。Drive circuit is driven by Phototube Coupling, Darlington and constitutes。
Phototube Coupling part: Phototube Coupling is made up of diode D5, resistance R9, light idol U2。The effect of R9, D5 is current limliting, prevents reversal connection, protection DSP port and light idol U2。The effect of Phototube Coupling is turned off contacting of microcontroller DSP and load circuit, protects DSP port。
Darlington drive circuit: Darlington drive circuit is that pull-up resistor R10R11 sustained diode 6, solid-state relay SSR are constituted by audion Q1, Q2。Q1, Q2 composite flooding improves the driving electric current of solid-state relay, it is ensured that turn on and off reliably。Diode D6 is when solid-state relay turns off, it is provided that afterflow passage, it is to avoid electric spark occur。
The application gives a kind of LED drive circuit suitable in Alternating Current Power Supply。As it is shown in fig. 7, this circuit both can be operated in photovoltaic power supply pattern, mains-supplied pattern can be operated in again, it is achieved that the seamless switching of two kinds of power supplies。
This drive circuit is mainly made up of protection circuit, rectification circuit, reduction voltage circuit two parts。
Protection circuit: protection circuit is made up of NTC, DNR。The effect of NTC (negative tempperature coefficient thermistor) is the dash current that limiting circuit starts moment, protects backend electronics element, it is to avoid overvoltage injury occur。The effect of DNR (varistor) is, when the overvoltage such as thunderbolt occur, and fast conducting, protect back-end circuit, it is prevented that overvoltage, short circuit, overload。
Rectification circuit: the effect of rectification circuit is to be unidirectional current by the AC conversion of input, powers to LED load。
Reduction voltage circuit: the DC voltage of rectification circuit output is higher, it is impossible to directly drive LED, through reduction voltage circuit, will for LED acceptable low amplitude value unidirectional current, lightening LED lamp by high voltage。Regulate resistance R16 and can regulate the output brightness of LED, meet user and dim demand。
Above-mentioned LED drive circuit has the advantage that
1. band dash current, overvoltage protection, it is achieved reliable, the steady operation of circuit。
2. reduction voltage circuit is with dimming function, meets the user demand of different user。
3. this circuit at photovoltaic generation MODE of operation, also can work, it is achieved the seamless switching of both of which under utility mode。
Disclosed herein as well is a kind of voltage detecting circuit: as shown in Figure 8, voltage detecting circuit in the present system, carries the effect of detection DC bus-bar voltage, detection battery tension。
Voltage detecting circuit is made up of resistance pressure-dividing network, subtraction circuit。
The effect of resistance pressure-dividing network is the tested voltage signal of decay of equal proportion, so as to meet the needs of DSP sample port。
The effect of subtraction circuit is the difference signal extracting resistance pressure-dividing network, and further for this difference equal proportion is decayed to low amplitude value signal, and flows to the sample port of DSP。Subtraction circuit adds magnetic bead, is used for consuming intrasystem High-frequency Interference composition, improve certainty of measurement。
Disclosed herein as well is a kind of current detection circuit: as it is shown in figure 9, current detection circuit in the present system, carries the effect of detection accumulator cell charging and discharging electric current, photovoltaic panel electric current。
Current detection circuit mainly has accurate current sensing resistance, window comparator, subtraction circuit to constitute。
Accurate current sensing resistance is connected in tested loop, and tested equal current proportion is converted to voltage signal。
The accurate voltage differential signal extracting current sensing resistance of effect of window comparator。
The effect of subtraction circuit is by the decay of voltage differential signal equal proportion, to meet the requirement of DSP analog sampling port。
Detailed description of the invention of the present utility model is described in conjunction with accompanying drawing although above-mentioned; but the not restriction to this utility model protection domain; one of ordinary skill in the art should be understood that; on the basis of the technical solution of the utility model, those skilled in the art need not pay various amendments or deformation that creative work can make still within protection domain of the present utility model。
Claims (10)
1. the roofing photovoltaic electricity generation system being applied to building public illumination, it is characterized in that, including photovoltaic panel, photovoltaic panel converts the solar into electric energy and transmits to Boost, Boost is connected to dc bus, dc bus is connected with inverter and One Buck-Boost converter body respectively, and One Buck-Boost converter body is connected with accumulator, and inverter is connected with load by photovoltaic/civil power automatic switch-over circuit；
Photovoltaic/civil power automatic switch-over circuit is connected with control unit, and control unit switches to mains-supplied by detection accumulator voltage control photovoltaic/civil power automatic switch-over circuit or photovoltaic generation is powered。
2. a kind of roofing photovoltaic electricity generation system being applied to building public illumination as claimed in claim 1, it is characterized in that, described Boost, One Buck-Boost converter body are connected with control unit respectively, accumulator is connected with control unit respectively through corresponding voltage detecting circuit and current detection circuit, dc bus is connected with control unit by corresponding voltage detecting circuit, and photovoltaic panel is connected with control unit by corresponding current detection circuit。
3. a kind of roofing photovoltaic electricity generation system being applied to building public illumination as claimed in claim 1, it is characterized in that, photovoltaic/civil power automatic switch-over circuit includes the photovoltaic generation switch being connected with inverter and the urban electric power switch being electrically connected with city, photovoltaic generation switch and urban electric power switch are connected with each self-corresponding SSR solid-state relay drive circuit respectively, described SSR solid-state relay drive circuit includes photoelectric isolating circuit and Darlington drive circuit, the input of photoelectric isolating circuit is connected with control unit, and the outfan of photoelectric isolating circuit is connected with Darlington drive circuit。
4. a kind of roofing photovoltaic electricity generation system being applied to building public illumination as claimed in claim 3, it is characterized in that, described photoelectric isolating circuit includes photoelectrical coupler, and an input of photoelectrical coupler is connected with control unit, and another input is connected with resistance and the diode of series connection。
5. a kind of roofing photovoltaic electricity generation system being applied to building public illumination as claimed in claim 4, it is characterized in that, described Darlington drive circuit includes the first audion and the second audion, the base stage of the first audion is connected with the output of photoelectrical coupler by resistance, the emitter stage of the first audion and the base stage of the second audion are connected, the colelctor electrode of the first audion and the second audion is connected with relay respectively through resistance, wherein, it is also associated with diode between common port and the relay of two resistance。
6. a kind of roofing photovoltaic electricity generation system being applied to building public illumination as claimed in claim 1; it is characterized in that; described load is LED; LED is connected with LED drive circuit; described LED drive circuit includes protection circuit, rectification circuit and reduction voltage circuit; the input of described protection circuit and urban electric power switch power or photovoltaic generation switch is for being electrically connected, and the outfan of protection circuit is connected with reduction voltage circuit by rectification circuit, and described reduction voltage circuit is connected with LED。
7. a kind of roofing photovoltaic electricity generation system being applied to building public illumination as claimed in claim 6, is characterized in that, described protection circuit includes the varistor being connected with power supply, and varistor is connected with rectification circuit by critesistor；
Described rectification circuit includes the bridge circuit being made up of four diodes, bridge circuit and the first polar capacitor and is in parallel, and power resistor is in parallel with the first polar capacitor after being in series with two electric capacity being in parallel, and two electric capacity being in parallel are connected with reduction voltage circuit。
8. a kind of roofing photovoltaic electricity generation system being applied to building public illumination as claimed in claim 2, it is characterized in that, described voltage detecting circuit includes resistance pressure-dividing network circuit and subtraction circuit, resistance pressure-dividing network circuit includes the first resistance and the second resistance being connected with the first resistance, second resistance and electric capacity are in parallel, and resistance pressure-dividing network circuit is for the tested voltage signal of decay of equal proportion。
9. a kind of roofing photovoltaic electricity generation system being applied to building public illumination as claimed in claim 8, it is characterized in that, subtraction circuit includes operational amplifier, it is connected to magnetic bead between operational amplifier positive terminal and ground, operational amplifier negative pole end divides two-way, one tunnel is connected with adjustable resistance, and another road is connected with the resistance being in parallel and condenser network, and the resistance and the condenser network that are in parallel are connected with operational amplifier output terminal。
10. a kind of roofing photovoltaic electricity generation system being applied to building public illumination as claimed in claim 2, it is characterized in that, described current detection circuit includes the accurate current sensing resistance, window comparator circuit and the subtraction circuit that are sequentially connected with, described accurate current sensing resistance is connected in tested loop, and tested equal current proportion is converted to voltage signal；Window comparator circuit is for extracting the voltage differential signal of accurate current sensing resistance, and subtraction circuit is for by the decay of voltage differential signal equal proportion。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018598.1U CN205335970U (en) | 2016-01-08 | 2016-01-08 | Roofing photovoltaic power generation system for building public lighting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620018598.1U CN205335970U (en) | 2016-01-08 | 2016-01-08 | Roofing photovoltaic power generation system for building public lighting |
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| CN205335970U true CN205335970U (en) | 2016-06-22 |
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| CN201620018598.1U Expired - Fee Related CN205335970U (en) | 2016-01-08 | 2016-01-08 | Roofing photovoltaic power generation system for building public lighting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115499A (en) * | 2021-04-07 | 2021-07-13 | 海的电子科技(苏州)有限公司 | Self-adaptive boost circuit for isolation control current |
-
2016
- 2016-01-08 CN CN201620018598.1U patent/CN205335970U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113115499A (en) * | 2021-04-07 | 2021-07-13 | 海的电子科技(苏州)有限公司 | Self-adaptive boost circuit for isolation control current |
| CN113115499B (en) * | 2021-04-07 | 2024-01-09 | 海的电子科技(苏州)有限公司 | Isolation control current self-adaptive boost circuit |
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