CN212319841U - Off-grid photovoltaic energy storage and heating integrated device - Google Patents
Off-grid photovoltaic energy storage and heating integrated device Download PDFInfo
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- CN212319841U CN212319841U CN202022065465.9U CN202022065465U CN212319841U CN 212319841 U CN212319841 U CN 212319841U CN 202022065465 U CN202022065465 U CN 202022065465U CN 212319841 U CN212319841 U CN 212319841U
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- 238000005485 electric heating Methods 0.000 description 2
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02E10/60—Thermal-PV hybrids
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Abstract
本实用新型公开了一种离网型光伏储能采暖一体化装置，属于太阳能领域。本实用新型的装置，储热水箱内设有电加热器；光伏组件与直流汇流箱相连，直流汇流箱的输出端分别连接有储能电池和交流配电箱，交流配电箱的输出端与所述电加热器相连；直流汇流箱、交流配电箱、储能电池分别通过RS485接口与光伏储能控制器进行通信，光伏储能控制器用于控制储能电池的充放电；储热水箱与太阳能集热器、风机盘管相连通。本实用新型在传统的太阳能采暖系统中添加了光伏储能模块，当太阳能充足时通过太阳能采暖系统为建筑供暖，同时光伏发电维持系统运转和建筑供电，多余的电量存储于储能电池中，当太阳能不足时，储能电池放电，继续为建筑和系统供电。
The utility model discloses an off-grid photovoltaic energy storage and heating integrated device, which belongs to the field of solar energy. In the device of the utility model, an electric heater is arranged in the hot water storage tank; the photovoltaic components are connected with the DC combiner box, the output end of the DC combiner box is respectively connected with the energy storage battery and the AC power distribution box, and the output end of the AC power distribution box is respectively connected connected with the electric heater; the DC combiner box, the AC distribution box and the energy storage battery communicate with the photovoltaic energy storage controller through the RS485 interface respectively, and the photovoltaic energy storage controller is used to control the charging and discharging of the energy storage battery; the hot water storage The box is communicated with the solar collector and the fan coil. The utility model adds a photovoltaic energy storage module to the traditional solar heating system. When the solar energy is sufficient, the building is heated by the solar heating system. At the same time, the photovoltaic power generation maintains the operation of the system and the power supply of the building. The excess electricity is stored in the energy storage battery. When there is insufficient solar energy, the energy storage battery discharges and continues to power the building and system.
Description
Technical Field
The utility model belongs to the solar energy field, especially, leave net type photovoltaic energy storage heating integrated device.
Background
The plateau area has cold climate in winter, and the temperature can reach minus dozens of degrees especially at night. Meanwhile, conventional energy sources such as petroleum, natural gas and the like in plateau areas are extremely lack, and conventional and convenient heating equipment cannot be provided. In recent years, environmental pollution is increasingly aggravated, clean and green renewable energy sources are different from military projects, the solar energy advantage of the plateau area is combined, and the solar heating system is gradually applied to the alpine plateau area.
Solar heating can only work under the sufficient condition of sunshine, and cloudy rainy day and night heating effect are not good, can only pass through the mode of electric heating, but can consume a large amount of electric energy, extravagant energy. Especially in remote areas without electricity, the room cannot be normally insulated at night when the temperature is low because the room is not heated by sufficient electric energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome solar heating mode and can only move under the good condition of illumination, can not be applied to the shortcoming in alpine plateau area, provide an off-grid type photovoltaic energy storage heating integrated device.
In order to achieve the above purpose, the utility model adopts the following technical scheme to realize:
an off-grid photovoltaic energy storage and heating integrated device comprises a heat storage water tank, wherein an electric heater is arranged in the heat storage water tank;
the photovoltaic module is connected with the direct current combiner box, the output end of the direct current combiner box is respectively connected with an energy storage battery and an alternating current distribution box, and the output end of the alternating current distribution box is connected with the electric heater;
the direct current combiner box, the alternating current distribution box and the energy storage battery are respectively communicated with a photovoltaic energy storage controller through RS485 interfaces, and the photovoltaic energy storage controller is used for controlling charging and discharging of the energy storage battery;
the heat storage water tank is communicated with the solar heat collector and the fan coil.
Further, the electric heater is also connected with an external power supply.
Further, a temperature sensor is further arranged in the heat storage water tank.
Furthermore, a fixed-frequency circulating pump is arranged between the heat storage water tank and the solar heat collector.
Furthermore, a heat collection working medium buffer tank is arranged at the inlet of the solar heat collector.
Furthermore, the heat collection working medium buffer tank is filled with a working medium with a melting point of-60 ℃ and a boiling point of 160 ℃.
Furthermore, a variable frequency circulating pump is arranged between the heat storage water tank and the fan coil.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses an off-grid photovoltaic energy storage heating integrated device, added photovoltaic energy storage module in traditional solar heating system, for alpine plateau electroless area, heat for the building through solar heating system when solar energy is sufficient daytime, photovoltaic power generation keeps system operation and building power supply simultaneously, unnecessary electric quantity is stored in the energy storage battery daytime, when solar energy is not enough or when night, the energy storage battery discharges, continues to supply power for building and system; the utility model discloses can realize the heating all day, the heating is respond well, not only can solve user's life demand problem, simultaneously because of using the green solar energy resource that can give birth to, energy-conservation subtracts the discharge capacity also very considerable, has protected the ecological environment to a certain extent.
Furthermore, if the solar heating system does not meet the set heating requirement, the electric heater is started to assist in heating.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a structural diagram of the solar heating heat exchanger of the present invention;
in the figure: 1-a photovoltaic module; 2-a direct current combiner box; 3-a photovoltaic energy storage controller; 4-an alternating current distribution box; 5-an energy storage battery; 6-heat storage water tank; 7-an electric heater; 8-a temperature sensor; 9-a solar heat collector; 10-a fan coil; 11-a heat collection working medium buffer tank; 12-a constant frequency circulating pump; 13-variable frequency circulating pump.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, fig. 1 is a structural diagram of the present invention, and the off-grid photovoltaic energy storage and heating integrated device of the present invention includes a photovoltaic module 1, a dc combiner box 2, a photovoltaic energy storage controller 3, an ac distribution box 4, an energy storage battery 5, a heat storage water tank 6, an electric heater 7, a temperature sensor 8, a solar thermal collector 9 and a fan coil 10; the photovoltaic module 1, the direct current combiner box 2 and the alternating current distribution box 4 form a photovoltaic power generation module, the photovoltaic module 1 is a polycrystalline silicon solar cell, a square matrix inclination angle is designed to be 35 degrees, and light C-shaped steel is adopted; an inverter is arranged in the alternating current distribution box 4, and the inverter is an LC type three-phase off-grid inverter; the energy storage battery 5 is composed of colloid lead-acid storage batteries and can be connected in series and in parallel to obtain the energy storage capacity actually required; when the photovoltaic module 1 is illuminated, sunlight is converted into direct current by the photovoltaic module 1, the direct current is converged by the direct current convergence box 2 and enters the alternating current distribution box 4, three-phase alternating current is obtained through inversion and filtering of an inverter, and the alternating current distribution box 4 outputs the three-phase alternating current to a terminal to supply power for buildings, system operation and an electric heater 7; the photovoltaic energy storage controller 3 adopts a high-performance industrial control PC as a monitoring host of the system, the data collector is communicated with the direct current combiner box 2, the energy storage battery 5 and the alternating current distribution box 4 through an RS485 interface to obtain the voltage, current, power and the like of the photovoltaic assembly 1, the energy storage battery 5, the alternating current distribution box 4 and the building electricity, the photovoltaic energy storage controller 3 regulates and controls the output of the direct current combiner box 2 according to the feedback electricity generation and electricity utilization information, and when the photovoltaic output power is greater than the electricity utilization power, the redundant electricity is stored by the energy storage battery 5; when the photovoltaic output power is smaller than the whole power consumption, the energy storage battery 5 releases the stored electric quantity to discharge, and the released electric quantity is supplied to the terminal after passing through the direct current header box 2 and the alternating current distribution box 4.
The terminal is a heat storage water tank 6, an electric heater 7 and a temperature sensor 8 are arranged in the heat storage water tank 6, and an alternating current distribution box 4 supplies power to the electric heater 7 to heat working media in the heat storage water tank 6; the heat storage water tank 6 is also connected with a solar heat collector 9 and a fan coil 10, and the solar heat collector 9 directly heats water by utilizing solar energy; the working medium heated in the heat storage water tank 6 enters the fan coil 10 to supply heat for the building.
Referring to fig. 2, the solar heating heat exchange device is a schematic structural diagram of the solar heating heat exchange device, the solar heating heat exchange device comprises a heat storage water tank 6, an electric heater 7, a temperature sensor 8, a solar heat collector 9, a fan coil 10, a heat collection working medium buffer tank 11 and a circulating pump 12, the electric heater 7 and the temperature sensor 8 are arranged in the heat storage water tank 6, and the solar heating heat exchange device can perform heat collection circulation and heating circulation;
when the solar thermal collector 9 is illuminated, the fixed-frequency circulating pump 12 operates, the unfrozen heat transfer working medium in the thermal collection working medium buffer tank 11 enters the solar thermal collector 9 and exchanges heat in the solar thermal collector 9, and the unfrozen heat transfer working medium after heat exchange flows back to the heat storage water tank 6; the temperature sensor 8 is used for monitoring the water temperature in the heat storage water tank 6, and when the water temperature is lower than a preset value, the working medium cooled in the heat storage water tank 6 flows back to the solar heat collector 9 again for heat exchange;
when heating circulation is carried out, the variable frequency circulating pump 13 operates, the heated working medium in the heat storage water tank 6 flows into the indoor fan coil 10 to supply heat for a user, and the cooled working medium in the fan coil 10 flows back into the heat storage water tank 6; working media in the heat storage water tank 6 are heated by adopting double energy sources of a solar heat collector 9 and an electric heater 7, solar energy is used as a main heating source, when the temperature of a solar heating system meets the heating standard requirement, electric heating is not started, the solar heating system independently supplies heat for a building, when the temperature of the solar heating system does not meet the set heating requirement, the electric heater assists in heating for the building, and the electric heater is connected with an alternating current distribution box.
In order to solve the problems of water freezing and pipeline breaking at the temperature below 0 ℃ outdoors and the problem of boiling of the working medium which is too hot in the sun, the heat collection working medium buffer tank 11 is filled with the unfrozen heat transfer working medium with the lowest freezing point of-60 ℃ and the highest boiling point of 160 ℃.
When sunlight is sufficient in the daytime, the photovoltaic system generates electricity to supply power for the whole system operation and building, redundant electricity is stored in the energy storage battery, and meanwhile, the solar heating heat storage device works to supply heat for users through heat collection circulation and heating circulation; when the solar energy is insufficient or at night, the energy storage battery discharges to continuously supply power for the building and the system, and if the solar heating system does not meet the set heating requirement, the electric heater is started to assist in heating.
The above contents are only for explaining the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical solution according to the technical idea of the present invention all fall within the protection scope of the claims of the present invention.
Claims (7)
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022065465.9U CN212319841U (en) | 2020-09-18 | 2020-09-18 | Off-grid photovoltaic energy storage and heating integrated device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022065465.9U CN212319841U (en) | 2020-09-18 | 2020-09-18 | Off-grid photovoltaic energy storage and heating integrated device |
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| CN212319841U true CN212319841U (en) | 2021-01-08 |
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| CN202022065465.9U Expired - Fee Related CN212319841U (en) | 2020-09-18 | 2020-09-18 | Off-grid photovoltaic energy storage and heating integrated device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964143A (en) * | 2020-09-18 | 2020-11-20 | 陕西科技大学 | Off-grid photovoltaic energy storage and heating integrated device and control method |
| CN114059668A (en) * | 2021-12-23 | 2022-02-18 | 北京京能能源技术研究有限责任公司 | Intelligent passive ultralow-energy-consumption temporary-building house |
-
2020
- 2020-09-18 CN CN202022065465.9U patent/CN212319841U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111964143A (en) * | 2020-09-18 | 2020-11-20 | 陕西科技大学 | Off-grid photovoltaic energy storage and heating integrated device and control method |
| CN114059668A (en) * | 2021-12-23 | 2022-02-18 | 北京京能能源技术研究有限责任公司 | Intelligent passive ultralow-energy-consumption temporary-building house |
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Granted publication date: 20210108 |