CN115143416A - Photovoltaic street lamp device and system - Google Patents
Photovoltaic street lamp device and system Download PDFInfo
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- CN115143416A CN115143416A CN202210779256.1A CN202210779256A CN115143416A CN 115143416 A CN115143416 A CN 115143416A CN 202210779256 A CN202210779256 A CN 202210779256A CN 115143416 A CN115143416 A CN 115143416A
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- 238000009413 insulation Methods 0.000 claims abstract description 23
- 238000005485 electric heating Methods 0.000 claims abstract description 21
- 238000004321 preservation Methods 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000012774 insulation material Substances 0.000 claims description 7
- 229910052720 vanadium Inorganic materials 0.000 claims description 6
- 238000012300 Sequence Analysis Methods 0.000 claims description 3
- CHZVHNZRFPALHO-UHFFFAOYSA-N [Br].[Na] Chemical compound [Br].[Na] CHZVHNZRFPALHO-UHFFFAOYSA-N 0.000 claims description 3
- ZRXYMHTYEQQBLN-UHFFFAOYSA-N [Br].[Zn] Chemical compound [Br].[Zn] ZRXYMHTYEQQBLN-UHFFFAOYSA-N 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000010248 power generation Methods 0.000 description 4
- 238000010792 warming Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S9/00—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply
- F21S9/02—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator
- F21S9/03—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light
- F21S9/035—Lighting devices with a built-in power supply; Systems employing lighting devices with a built-in power supply the power supply being a battery or accumulator rechargeable by exposure to light the solar unit being integrated within the support for the lighting unit, e.g. within or on a pole
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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
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/32—Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/38—Energy storage means, e.g. batteries, structurally associated with PV modules
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/103—Outdoor lighting of streets or roads
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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
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The application discloses photovoltaic street lamp device and system, it includes: a photoelectric element for converting solar energy into electric energy; the liquid flow battery pack is used for converting the electric energy generated by the photoelectric element into chemical energy for storage and supplying power to the photovoltaic street lamp device; an inverter electrically connected to the photovoltaic element and the flow battery for converting direct current generated by the flow battery to alternating current; the heat insulation box is provided with an accommodating space, and the flow battery pack is arranged in the accommodating space; the heat preservation box is provided with a temperature sensor and an electric heating element, the temperature sensor is used for collecting the temperature of the flow battery pack, and the electric heating element is used for heating in the heat preservation box; and the control system is connected with the heat preservation box in a communication way and is used for acquiring the temperature acquired by the temperature sensor, determining whether the temperature in the heat preservation box needs to be raised or not based on the acquired temperature and controlling the heat preservation box to heat.
Description
Technical Field
The application relates to the technical field of photovoltaic street lamps, in particular to a photovoltaic street lamp device and system
Background
With the gradual maturity of Passivated Emitter and Rear Cell (PERC) technology, the conversion efficiency of a photovoltaic Cell panel has broken through 20%, and the photovoltaic Cell panel has been applied to various scenes. In the field of public lighting, a great amount of energy is consumed by street lamps every day, and more street lamps are provided with photovoltaic power supply to reduce the energy consumption of the street lamps. Because the photovoltaic power generation time is in daytime, an energy storage system is usually configured to store the power generated by the photovoltaic panel in daytime, and the power is used for street lamp illumination at night.
The conventional photovoltaic street lamp is generally provided with a lithium battery for energy storage so as to achieve the purpose of spontaneous self-use of photovoltaic power generation. However, the cycle number of the lithium battery is 2000-3000, the service life of the lithium battery is generally less than 10 years, and the lithium battery is not matched with the service life of a system when being applied to a photovoltaic street lamp. Besides, when the lithium battery is configured for the photovoltaic street lamp device and the system, the safety problem needs to be considered, and a safety monitoring system needs to be specially configured for the lithium battery. Compared with a lithium battery, the flow battery is more in line with the requirements of photovoltaic street lamps in terms of service life and safety. Taking the all-vanadium redox flow battery as an example, the cycle number of charging and discharging is 15000-20000 times, and the service life can reach the 20-year requirement of the photovoltaic street lamp. However, the flow battery needs to maintain liquid to perform charging and discharging operations, and has high requirement on working temperature, so that the flow battery is difficult to use in outdoor low-temperature environment. Taking the all-vanadium redox flow battery as an example, the all-vanadium redox flow battery cannot work when the temperature is lower than 5 ℃, and can limit the use scene of the photovoltaic street lamp when being directly applied to photovoltaic street lamp devices and systems.
Therefore, it is necessary to provide a new photovoltaic street lamp device and system to solve the above technical problems.
Disclosure of Invention
In this summary, concepts in a simplified form are introduced that are further described in the detailed description. This summary of the application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The application provides a photovoltaic street lamp device, photovoltaic street lamp device includes: a photovoltaic element for converting solar energy into electrical energy; the flow battery pack is used for converting the electric energy generated by the photoelectric element into chemical energy for storage and supplying power to the photovoltaic street lamp device; an inverter electrically connected to the photovoltaic element and the flow battery pack for converting direct current generated by the flow battery pack into alternating current; the heat insulation box is internally provided with an accommodating space, and the flow battery pack is arranged in the accommodating space; the heat preservation box is provided with a temperature sensor, and the temperature sensor is used for collecting the temperature of the flow battery pack; the heat insulation box is also provided with an electric heating element for heating the heat insulation box; a control system communicatively coupled with the incubator, the control system configured to: acquiring the temperature collected by the temperature sensor; determining whether the temperature in the incubator needs to be raised or not based on the acquired temperature; and controlling the heat insulation box to heat up.
Illustratively, the control system further comprises a local controller for receiving instructions to activate the electric heating element to warm up within the incubator.
The control system further comprises a cloud end, wherein the cloud end is used for receiving temperature data collected by the temperature sensor; and based on the received temperature data, sending an instruction to the local controller to cause the local controller to activate the electric heating element to heat up the interior of the incubator.
The control system may include a gateway for communicatively coupling the cloud and the local controller and communicatively coupling the temperature sensor and the cloud.
The control system is further used for managing the reserved capacity of the flow battery pack, wherein based on the received temperature data, the cloud end conducts time sequence analysis to predict the temperature change of the flow battery pack and obtain a predicted temperature result; based on the temperature result, the cloud end calculates a reserved electric quantity value of the flow battery pack; and sending instructions to the local controller by the cloud end through the gateway so as to enable the local controller to manage the reserved electric quantity of the flow battery pack according to the reserved electric quantity value.
Illustratively, when the temperature result is less than the operating temperature threshold of the flow battery pack, the control system is further configured to control the flow battery pack to discharge reserved power, and activate the electric heating element to perform warming in the incubator, wherein the cloud sends a command to the local controller via the gateway; the local controller receives an instruction and controls the flow battery pack to discharge reserved electric quantity so that the flow battery pack supplies power to the electric heating element; and the local controller starts the electric heating element to heat the inside of the heat insulation box.
Illustratively, the photovoltaic element comprises a photovoltaic panel.
Illustratively, the flow battery includes an all vanadium flow battery, a zinc bromine flow battery, and/or a sodium bromine flow battery.
Exemplarily, the heat preservation box is further provided with a heat insulation material, and the heat insulation material wraps the high-temperature box.
A photovoltaic street lamp system comprises any one of the photovoltaic street lamp devices.
The photovoltaic street lamp device and the system disclosed by the application configure the heat insulation box and the control system for the flow battery pack so as to ensure that the flow battery pack can still maintain operation under a low-temperature environment and is not interfered by external temperature. The photovoltaic street lamp device and the system have wide applicability, have the characteristics of long service life and safety and reliability, and are superior to the photovoltaic street lamp with the lithium battery in the tolerance degree to the weather.
Drawings
The following drawings of the present application are included to provide an understanding of the present application. Embodiments of the present application and their description are illustrated in the accompanying drawings to explain the principles of the application.
In the drawings:
fig. 1 is a schematic structural diagram of a photovoltaic street light device according to an embodiment of the invention;
description of the reference numerals:
1 photovoltaic panel 2 lighting element
3-flow battery pack 4 inverter
5 insulation can 6 temperature sensor
7 local controller 8 gateway
9 cloud 10 electrical heating elements.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present application. It will be apparent, however, to one skilled in the art, that the present application may be practiced without one or more of these specific details. In other instances, well-known features of the art have not been described in order to avoid obscuring the present application.
It is to be understood that the present application is capable of implementation in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the application to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like reference numerals refer to like elements throughout.
It will be understood that, although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the present application.
Spatially relative terms, such as "under," "below," "beneath," "under," "above," "over," and the like, may be used herein for convenience in describing the relationship of one element or feature to another element or feature illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes any and all combinations of the associated listed items.
Embodiments of the invention are described herein with reference to cross-sectional illustrations that are schematic illustrations of idealized embodiments (and intermediate structures) of the present application. As such, variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, are to be expected. Thus, embodiments of the present application should not be limited to the particular shapes of regions illustrated herein but are to include deviations in shapes that result, for example, from manufacturing. Thus, the regions illustrated in the figures are schematic in nature and their shapes are not intended to illustrate the actual shape of a region of a device and are not intended to limit the scope of the present application.
The photovoltaic street light apparatus is described in detail below with reference to an embodiment of the present application shown in fig. 1.
As shown in fig. 1, in this embodiment, the photovoltaic street light device includes: the system comprises a photoelectric element 1, a lighting element 2, a flow battery pack 3, an inverter 4, an incubator 5, a temperature sensor 6, a local controller 7, a gateway 8, a cloud 9 and an electric heating element 10. In this embodiment, the photovoltaic element 1 is used for converting solar energy into electric energy, and the photovoltaic element 1 is disposed on the top of the photovoltaic street lamp device. Illustratively, the photovoltaic element 1 comprises a photovoltaic panel.
A Flow battery (Flow battery) is a type of secondary battery that generally includes two containers in which liquid chemical solutions are stored, and the connection between the two chemical solutions is a power generation region separated by a thin film. The two chemical solutions respectively flow to the power generation area from the containers where the two chemical solutions are located, ion exchange occurs at the membrane, and the flow battery discharges or stores electricity in such a mode. In the present embodiment, the flow battery 3 is used to convert the electric energy generated by the photovoltaic element 1 into chemical energy for storage, and to supply power to the photovoltaic street lamp device, and the flow battery 3 is used to supply power to the lighting element 2. Illustratively, the flow battery 3 includes an all vanadium flow battery, a zinc bromine flow battery, and/or a sodium bromine flow battery.
In the present embodiment, the inverter 4 is electrically connected to the photoelectric element 1 and the flow battery 3, and is configured to convert the direct current generated by the flow battery 3 into alternating current. The inverter 4 converts the direct current generated by the flow battery 3 into alternating current to ensure the normal use of the lighting element 2. Meanwhile, the inverter 4 also has an automatic voltage stabilizing function, and the power supply quality of the flow battery pack 3 can be improved. In the embodiment, during daytime, the electric energy generated by the photoelectric element 1 is rectified and stored in the flow battery 3 through the inverter 4; at night, the flow cell battery 3 supplies the stored electrical energy to the lighting element 2.
In this embodiment, as shown in fig. 1, an accommodating space is provided in the heat insulation box 5, the flow battery 3 is disposed in the accommodating space, and both the photoelectric element 1 and the flow battery 3 can supply power to the heat insulation box 5; the heat preservation box 5 is provided with a temperature sensor 6, and the temperature sensor 6 is used for collecting the temperature of the flow battery pack 3; the incubator 5 is further provided with an electric heating element 10 for warming the inside of the incubator 5. Illustratively, the thermal insulation box 5 is further provided with a thermal insulation material (not shown), the thermal insulation material wraps the high temperature box 5, and the thermal insulation material can reduce the influence of the ambient temperature on the temperature in the thermal insulation box 5, so as to reduce the power consumption of the thermal insulation box 5.
In this embodiment, the local controller 7, the gateway 8 and the cloud 9 form a control system (not shown), and the control system is communicatively connected to the heat preservation box 5, and is configured to: acquiring the temperature collected by the temperature sensor 6; determining whether the temperature in the incubator 5 needs to be raised or not based on the acquired temperature; and controlling the heat insulation box 5 to heat.
In this embodiment, the local controller 7 is configured to receive an instruction to activate the electric heating element 10 to heat up the inside of the thermal insulation box 5. In this embodiment, the cloud 9 is configured to: receiving temperature data collected by the temperature sensor 6; and based on the received temperature data, send an instruction to the local controller 7 to cause the local controller 7 to activate the electric heating element 10 to warm up the inside of the incubator 5. In this embodiment, the gateway 8 is configured to communicatively connect the cloud 9 and the local controller 7 and communicatively connect the temperature sensor 6 and the cloud 9.
In this embodiment, the control system is further configured to manage the reserved electric quantity of the flow battery pack 3, wherein based on the received temperature data, the cloud 9 performs time-sequence analysis to predict a temperature change of the flow battery pack and obtain a predicted temperature result; based on the temperature result, the cloud end 9 calculates a reserved electric quantity value of the flow battery 3; and via the gateway 8, the cloud sends instructions to the local controller 7 to cause the local controller 7 to manage the reserve capacity of the flow battery 3 according to the reserve capacity value.
In this embodiment, when the temperature result is smaller than the operating temperature threshold of the flow battery 3, the control system is further configured to control the flow battery 3 to discharge reserved power, and activate the electric heating element 10 to perform warming inside the incubator 5, wherein the cloud 9 sends a command to the local controller 7 via the gateway 8; the local controller 7 receives the instruction and controls the flow battery 3 to discharge reserved electric quantity so that the flow battery 3 supplies power to the electric heating element 10; the local controller 7 activates the electric heating element 10 to warm up the inside of the incubator 5.
The application provides a photovoltaic street lamp device and system, has solved the problem of how to last for photovoltaic street lamp power supply of redox flow battery when low temperature. After the heat insulation box and the control system are arranged for the flow battery, the flow battery can be prevented from being influenced by the external temperature when working, and the flow battery can still maintain to operate in a low-temperature environment. The photovoltaic street lamp device and the system have the advantages of being wide in applicability, long in service life, safe, reliable, easy to replace and capable of replacing a lithium battery with a short service life (less than 5 years) and being used in the photovoltaic street lamp.
Although the example embodiments have been described herein with reference to the accompanying drawings, it is to be understood that the above-described example embodiments are merely illustrative and are not intended to limit the scope of the present application thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present application. All such changes and modifications are intended to be included within the scope of the present application as claimed in the appended claims.
Those of ordinary skill in the art will appreciate that the various illustrative elements and instructions described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the above-described device embodiments are merely illustrative, and for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another device, or some features may be omitted, or not executed.
In the description provided herein, numerous specific details are set forth. However, it is understood that embodiments of the application may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure the understanding of this description.
Similarly, it should be appreciated that in the description of exemplary embodiments of the present application, various features of the present application are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the application and aiding in the understanding of one or more of the various inventive aspects. However, the method of the present application should not be construed to reflect the intent: this application is intended to cover such departures from the present disclosure as come within known or customary practice in the art to which this invention pertains. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this application.
It will be understood by those skilled in the art that all of the features disclosed in this application (including the accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where such features are mutually exclusive. Each feature disclosed in this application (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the application and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.
It should be noted that the above-mentioned embodiments illustrate rather than limit the application, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The application may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words "first", "second", and "third" do not denote any order. These words may be interpreted as names.
Claims (10)
1. A photovoltaic street light device, characterized in that the photovoltaic street light device comprises:
a photovoltaic element for converting solar energy into electrical energy;
the flow battery pack is used for converting the electric energy generated by the photoelectric element into chemical energy for storage and supplying power to the photovoltaic street lamp device;
an inverter electrically connected to the photovoltaic element and the flow battery pack for converting direct current generated by the flow battery pack into alternating current;
the heat insulation box is internally provided with an accommodating space, and the flow battery pack is arranged in the accommodating space; the heat preservation box is provided with a temperature sensor, and the temperature sensor is used for collecting the temperature of the flow battery pack; the heat insulation box is also provided with an electric heating element for heating the heat insulation box;
a control system communicatively connected with the incubator, the control system configured to: acquiring the temperature collected by the temperature sensor; determining whether the temperature in the incubator needs to be raised or not based on the acquired temperature; and controlling the heat insulation box to heat up.
2. The photovoltaic street light apparatus as claimed in claim 1, wherein the control system further comprises a local controller for receiving instructions to activate the electrical heating element to heat up the interior of the incubator.
3. The photovoltaic street light device as claimed in claim 2, wherein the control system further comprises a cloud end for the cloud end
Receiving temperature data collected by the temperature sensor; and is provided with
And sending an instruction to the local controller based on the received temperature data so as to enable the local controller to start the electric heating element to heat up the heat insulation box.
4. The photovoltaic street light apparatus as claimed in claim 3, wherein the control system comprises a gateway for communicatively connecting the cloud and the local controller and communicatively connecting the temperature sensor and the cloud.
5. The PV street light apparatus of claim 4, wherein the control system is further configured to manage a reserve charge of the flow battery, wherein
Based on the received temperature data, the cloud end carries out time sequence analysis to predict the temperature change of the flow battery pack and obtain a predicted temperature result;
based on the temperature result, the cloud end calculates a reserved electric quantity value of the flow battery pack; and is provided with
And sending a command to the local controller by the cloud end through the gateway so as to enable the local controller to manage the reserved electric quantity of the flow battery pack according to the reserved electric quantity value.
6. The PV street light apparatus of claim 5, wherein the control system is further configured to control the flow battery to discharge a reserved power and activate the electric heating element to heat the incubator when the temperature result is less than an operating temperature threshold of the flow battery, wherein the temperature result is less than the operating temperature threshold of the flow battery, and wherein the electric heating element is configured to heat the incubator
The cloud end sends an instruction to the local controller through the gateway;
the local controller receives the instruction and controls the flow battery pack to discharge reserved electric quantity so that the flow battery pack supplies power to the electric heating element;
and the local controller starts the electric heating element to heat the inside of the heat insulation box.
7. The pv street light apparatus according to claim 1, wherein the photovoltaic element comprises a pv panel.
8. The photovoltaic street light device according to claim 1, wherein the flow battery pack comprises an all-vanadium flow battery, a zinc-bromine flow battery and/or a sodium-bromine flow battery.
9. The photovoltaic street lamp device as claimed in claim 1, wherein the thermal insulation box is further provided with a thermal insulation material, and the thermal insulation material wraps the high temperature box.
10. A photovoltaic street light system, characterized in that it comprises a photovoltaic street light device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210779256.1A CN115143416A (en) | 2022-07-01 | 2022-07-01 | Photovoltaic street lamp device and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210779256.1A CN115143416A (en) | 2022-07-01 | 2022-07-01 | Photovoltaic street lamp device and system |
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| CN115143416A true CN115143416A (en) | 2022-10-04 |
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| CN202210779256.1A Pending CN115143416A (en) | 2022-07-01 | 2022-07-01 | Photovoltaic street lamp device and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116032213A (en) * | 2023-03-31 | 2023-04-28 | 深圳市伟创源科技有限公司 | Photovoltaic energy conversion power storage system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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