CN114361519A - Building distributed energy supply system based on hydrogen energy - Google Patents
Building distributed energy supply system based on hydrogen energy Download PDFInfo
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- CN114361519A CN114361519A CN202210028394.6A CN202210028394A CN114361519A CN 114361519 A CN114361519 A CN 114361519A CN 202210028394 A CN202210028394 A CN 202210028394A CN 114361519 A CN114361519 A CN 114361519A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a building distributed energy supply system based on hydrogen energy, which comprises: a hydrogen production facility; a solar power plant connected to the hydrogen production plant and the building electrical plant; a hydrogen storage device; a hydrogen storage amount detector for detecting a hydrogen storage amount of the hydrogen storage device; a hydrogen fuel cell connected to the hydrogen storage device, connected to the electric device for construction; and the power supply management device is used for sending a control instruction to the first power supply selection module when the hydrogen storage amount is lower than the storage amount threshold value so that the solar power generation equipment supplies power to the hydrogen production equipment and the building electric equipment, sending a control instruction to the first power supply selection module when the hydrogen storage amount is higher than the storage amount threshold value so that the solar power generation equipment supplies power to the building electric equipment, and sending a control instruction to the second power supply selection module when the solar power generation equipment does not generate power so that the hydrogen fuel cell supplies power to the building electric equipment. The invention can effectively combine solar energy and hydrogen energy, and comprehensively improve the utilization efficiency of energy.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a building distributed energy supply system based on hydrogen energy.
Background
The centralized energy supply system adopts equipment for centralized production, and then energy is transmitted to each building through the transmission equipment. In the conveying process, huge energy loss is caused, and the utilization efficiency of energy is reduced. Corresponding to a centralized energy supply system, namely a distributed energy supply system. The distributed energy supply system is independently arranged according to each building and is used for meeting the energy requirements of each building, such as refrigeration, heating, power supply and the like. Because the distributed heating system does not need to carry out long-distance energy transmission, energy loss can be avoided, and the utilization efficiency of energy is improved.
Both hydrogen energy and solar energy belong to clean energy sources which are pollution-free and environment-friendly. A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electrical energy. The establishment of a distributed energy supply system based on hydrogen energy is also gradually being emphasized. However, hydrogen generation itself also needs to consume certain energy, and if the hydrogen energy and the solar energy can be effectively combined to establish a distributed energy supply system, clean energy can be effectively utilized, and the utilization efficiency of resources is improved.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages described hereinafter.
The invention aims to provide a building distributed energy supply system based on hydrogen energy, which can supply energy to a building by utilizing the hydrogen energy and solar energy, fully utilize the hydrogen energy and the solar energy and improve the utilization efficiency of resources.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a hydrogen energy-based building distributed power supply system, including:
a hydrogen production facility;
the solar power generation equipment is connected to the hydrogen production equipment and the building electric equipment through a first power supply selection module, and supplies power to the hydrogen production equipment and/or the building electric equipment according to the regulation and control of the first power supply selection module;
a hydrogen storage device connected to the hydrogen production device for storing hydrogen gas produced by the hydrogen production device;
a hydrogen storage amount detector provided in the hydrogen storage device for detecting a hydrogen storage amount in the hydrogen storage device;
the hydrogen fuel cell is connected to the hydrogen storage equipment, is connected to the electric equipment for the building through a second power supply selection module, and is used for supplying power to the electric equipment for the building according to the regulation and control of the second power supply selection module;
a power supply management device connected to the first power supply selection module, the second power supply selection module and the hydrogen storage detector, wherein the power supply management module is used for sending a control instruction to the first power supply selection module when the hydrogen storage detector detects that the hydrogen storage in the hydrogen storage device is lower than a storage threshold value, so that the solar power generation device supplies power to the hydrogen production device and the building electric device according to the regulation of the first power supply selection module, and sending a control instruction to the first power supply selection module when the hydrogen storage detector detects that the hydrogen storage in the hydrogen storage device reaches a storage threshold value, so that the solar power generation device supplies power to the building electric device according to the regulation of the first power supply selection module, and sending a control instruction to the second power supply selection module when the solar power generation device does not generate power, so that the hydrogen fuel cell supplies power to the electric equipment for construction according to the regulation and control of the second power supply selection module.
Preferably, the building distributed energy supply system based on hydrogen energy further includes:
a light intensity detector for detecting an illumination intensity of an outdoor environment;
the power supply management device is connected to the light intensity detector and used for sending a control instruction to the second power supply selection module when the light intensity detector detects that the illumination intensity of the outdoor environment is lower than a light intensity threshold value, so that the hydrogen fuel cell supplies power to the building electric equipment according to the regulation and control of the second power supply selection module.
Preferably, in the distributed energy supply system for buildings based on hydrogen energy, the power supply management device is used for detecting that the hydrogen storage amount in the hydrogen storage equipment is lower than a storage amount threshold value, and when the light intensity detector detects that the illumination intensity of the outdoor environment is higher than the light intensity threshold value, a control instruction is sent to the first power supply selection module, so that the solar power generation device supplies power to the hydrogen production device and the building electric equipment according to the regulation and control of the first power supply selection module, and for detecting at the hydrogen storage detector that the hydrogen storage in the hydrogen storage device is above a storage threshold, and when the light intensity detector detects that the illumination intensity of the outdoor environment is higher than the light intensity threshold value, a control instruction is sent to the first power supply selection module, so that the solar power generation equipment supplies power to the building electric equipment according to the regulation and control of the first power supply selection module.
Preferably, the building distributed energy supply system based on hydrogen energy further includes: a storage battery; the hydrogen fuel cell is connected to the storage battery through the second power supply selection module, and power is supplied to the storage battery or the building electric equipment according to the regulation selectivity of the second power supply selection module; the power supply management module is used for sending a control instruction to the second power supply selection module when the hydrogen storage amount detector detects that the hydrogen storage amount in the hydrogen storage device is higher than a storage amount threshold value and the light intensity detector detects that the illumination intensity of the outdoor environment is higher than a light intensity threshold value, so that the hydrogen fuel cell charges the storage battery according to the regulation and control of the second power supply selection module.
Preferably, in the building distributed energy supply system based on hydrogen energy, the power supply management device further sends a control instruction to the first power supply selection module or the second power supply selection module according to selection of a power source of the building electrical equipment by a user, so that the solar power generation equipment supplies power to the building electrical equipment according to regulation of the first power supply selection module, or so that the hydrogen fuel cell supplies power to the building electrical equipment according to regulation of the second power supply selection module.
Preferably, the building distributed energy supply system based on hydrogen energy further includes: the waste heat recovery device comprises a first heat exchanger, a second heat exchanger and a water tank, wherein the first heat exchanger is connected with the second heat exchanger through a cooling liquid circulation pipeline, the first heat exchanger is arranged near the hydrogen fuel cell, the second heat exchanger is arranged in the water tank, the cooling liquid circulation pipeline is filled with cooling liquid, and the cooling liquid circulation pipeline is further provided with a circulating pump used for driving the cooling liquid to flow circularly between the first heat exchanger and the second heat exchanger.
Preferably, in the building distributed energy supply system based on hydrogen energy, the water tank is communicated to the building water outlet faucet through a water supply pipeline.
The invention at least comprises the following beneficial effects:
the invention provides a building distributed energy supply system based on hydrogen energy, which comprises: a hydrogen production facility; the solar power generation equipment is connected to the hydrogen production equipment and the building electric equipment through a first power supply selection module, and supplies power to the hydrogen production equipment and/or the building electric equipment according to the regulation and control of the first power supply selection module; a hydrogen storage device connected to the hydrogen production device for storing hydrogen gas produced by the hydrogen production device; a hydrogen storage amount detector provided in the hydrogen storage device for detecting a hydrogen storage amount in the hydrogen storage device; the hydrogen fuel cell is connected to the hydrogen storage equipment, is connected to the electric equipment for the building through a second power supply selection module, and is used for supplying power to the electric equipment for the building according to the regulation and control of the second power supply selection module; a power supply management device connected to the first power supply selection module, the second power supply selection module and the hydrogen storage detector, wherein the power supply management module is used for sending a control instruction to the first power supply selection module when the hydrogen storage detector detects that the hydrogen storage in the hydrogen storage device is lower than a storage threshold value, so that the solar power generation device supplies power to the hydrogen production device and the building electric device according to the regulation of the first power supply selection module, and sending a control instruction to the first power supply selection module when the hydrogen storage detector detects that the hydrogen storage in the hydrogen storage device is higher than the storage threshold value, so that the solar power generation device supplies power to the building electric device according to the regulation of the first power supply selection module, and sending a control instruction to the second power supply selection module when the solar power generation device does not generate power, so that the hydrogen fuel cell supplies power to the electric equipment for construction according to the regulation and control of the second power supply selection module. Based on the system provided by the embodiment of the invention, the preparation of hydrogen does not depend on other energy sources, but adopts solar energy which can be used at any time, so that the cleanness and the environment protection of the whole energy production process can be realized, and on the other hand, the energy supply of the building is realized by both solar energy and hydrogen energy, especially under the condition that the solar energy can be used (such as the day with sufficient sunlight), the solar energy is uninterruptedly used for supplying energy, but not only depends on the hydrogen energy for supplying energy, so that the solar energy and the hydrogen energy can be effectively combined, and the utilization efficiency of the energy is comprehensively improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a building distributed energy supply system based on hydrogen energy according to an embodiment of the present invention.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
As shown in fig. 1, the present invention provides a building distributed energy supply system based on hydrogen energy, comprising: a hydrogen production facility; the solar power generation equipment is connected to the hydrogen production equipment and the building electric equipment through a first power supply selection module, and supplies power to the hydrogen production equipment and/or the building electric equipment according to the regulation and control of the first power supply selection module; a hydrogen storage device connected to the hydrogen production device for storing hydrogen gas produced by the hydrogen production device; a hydrogen storage amount detector provided in the hydrogen storage device for detecting a hydrogen storage amount in the hydrogen storage device; the hydrogen fuel cell is connected to the hydrogen storage equipment, is connected to the electric equipment for the building through a second power supply selection module, and is used for supplying power to the electric equipment for the building according to the regulation and control of the second power supply selection module; a power supply management device connected to the first power supply selection module, the second power supply selection module and the hydrogen storage detector, wherein the power supply management module is used for sending a control instruction to the first power supply selection module when the hydrogen storage detector detects that the hydrogen storage in the hydrogen storage device is lower than a storage threshold value, so that the solar power generation device supplies power to the hydrogen production device and the building electric device according to the regulation of the first power supply selection module, and sending a control instruction to the first power supply selection module when the hydrogen storage detector detects that the hydrogen storage in the hydrogen storage device is higher than the storage threshold value, so that the solar power generation device supplies power to the building electric device according to the regulation of the first power supply selection module, and sending a control instruction to the second power supply selection module when the solar power generation device does not generate power, so that the hydrogen fuel cell supplies power to the electric equipment for construction according to the regulation and control of the second power supply selection module.
In the system provided by the embodiment of the invention, the solar power generation equipment can supply power to the hydrogen production equipment and can also supply power to the building electric equipment. Specifically, when the hydrogen storage detector detects that the hydrogen storage in the hydrogen storage device is lower than a storage threshold, the solar power generation device supplies power to the electric device for building and the hydrogen production device at the same time, and the hydrogen production device can work to produce hydrogen under the condition of power supply of the solar power generation device and convey the hydrogen to the hydrogen storage device for storage. When the hydrogen storage amount in the hydrogen storage device is detected to be higher than a storage amount threshold value by the hydrogen storage amount detector, the solar power generation device stops supplying power to the hydrogen production device, the hydrogen production device does not work, and the solar energy supplies power to the building electric equipment in turn. Under the condition of night or insufficient sunshine, the solar power generation equipment cannot normally generate electricity, then the hydrogen storage equipment can be started to supply hydrogen to the hydrogen fuel cell, and the hydrogen reacts with oxygen in the air in the hydrogen fuel cell to generate electric energy, so that the hydrogen fuel cell can supply power to the electric equipment for the building. On one hand, the preparation of hydrogen does not depend on other energy sources, but adopts the energy source which can be used at any time, the cleanness and the environmental protection of the whole energy production process can be realized, on the other hand, the energy supply of the building is realized by solar energy and hydrogen energy together, especially under the condition that the solar energy can be used (such as in the daytime with sufficient sunshine), the solar energy is uninterruptedly used for supplying energy, and the solar energy and the hydrogen energy are not only depended on the hydrogen energy for supplying energy, so that the utilization efficiency of the energy sources is comprehensively improved.
In some preferred embodiments, the building distributed energy supply system based on hydrogen energy further includes: a light intensity detector for detecting an illumination intensity of an outdoor environment; the power supply management device is connected to the light intensity detector and used for sending a control instruction to the second power supply selection module when the light intensity detector detects that the illumination intensity of the outdoor environment is lower than a light intensity threshold value, so that the hydrogen fuel cell supplies power to the building electric equipment according to the regulation and control of the second power supply selection module.
Under the condition of night or insufficient sunshine, the solar power generation equipment cannot normally generate electricity, then the hydrogen storage equipment can be started to supply hydrogen to the hydrogen fuel cell, and the hydrogen reacts with oxygen in the air in the hydrogen fuel cell to generate electric energy, so that the hydrogen fuel cell can supply power to the electric equipment for the building. The power supply switching between the solar power generation equipment and the hydrogen fuel cell can be automatically controlled by a power supply management device, wherein the light intensity detector can detect the illumination intensity of the outdoor environment, and when the illumination intensity is lower than a light intensity threshold value, the power supply management device automatically switches to the power supply of the hydrogen fuel cell.
The first power supply selection module and the second power supply selection module may be implemented by a power supply circuit with a branch circuit, and may be implemented by the prior art, and embodiments of the present invention are not limited in this respect.
In some preferred embodiments, in the distributed energy supply system for buildings based on hydrogen energy, the power supply management device is configured to detect that the hydrogen storage amount in the hydrogen storage device is lower than a storage amount threshold value, and when the light intensity detector detects that the illumination intensity of the outdoor environment is higher than the light intensity threshold value, a control instruction is sent to the first power supply selection module, so that the solar power generation device supplies power to the hydrogen production device and the building electric equipment according to the regulation and control of the first power supply selection module, and for detecting at the hydrogen storage detector that the hydrogen storage in the hydrogen storage device is above a storage threshold, and when the light intensity detector detects that the illumination intensity of the outdoor environment is higher than the light intensity threshold value, a control instruction is sent to the first power supply selection module, so that the solar power generation equipment supplies power to the building electric equipment according to the regulation and control of the first power supply selection module.
Accordingly, the solar power generation equipment can supply power to the hydrogen production equipment and the building electric equipment according to the control of the power supply management device only when the sunshine is sufficient, namely the illumination intensity of the outdoor environment reaches the light intensity threshold value. Therefore, when the daily requirement is sufficient, whether the hydrogen storage amount in the hydrogen storage equipment meets the requirement or not should be checked preferentially, and if the hydrogen storage amount is lower than the storage amount threshold value, the solar power generation equipment is adopted to supply power to the hydrogen production equipment so as to produce enough hydrogen.
In some preferred embodiments, the building distributed energy supply system based on hydrogen energy further includes: a storage battery; the hydrogen fuel cell is connected to the storage battery through the second power supply selection module, and power is supplied to the storage battery or the building electric equipment according to the regulation selectivity of the second power supply selection module; the power supply management module is used for sending a control instruction to the second power supply selection module when the hydrogen storage amount detector detects that the hydrogen storage amount in the hydrogen storage device is higher than a storage amount threshold value and the light intensity detector detects that the illumination intensity of the outdoor environment is higher than a light intensity threshold value, so that the hydrogen fuel cell charges the storage battery according to the regulation and control of the second power supply selection module.
In some cases, the hydrogen stored in the hydrogen storage device is higher than the storage threshold, for example, much higher than the storage requirement, so that the hydrogen fuel cell can be used to charge the storage battery when the solar power generation device supplies power to the electric device for construction. The storage battery can be used as a standby power supply to supply power to the electric equipment for the building under the condition of insufficient sunlight or insufficient hydrogen storage capacity all day.
In some preferred embodiments, in the building distributed energy supply system based on hydrogen energy, the power supply management device further sends a control instruction to the first power supply selection module or the second power supply selection module according to a selection of a user for a power source of the building electrical equipment, so that the solar power generation device supplies power to the building electrical equipment according to a regulation of the first power supply selection module, or so that the hydrogen fuel cell supplies power to the building electrical equipment according to a regulation of the second power supply selection module.
The power supply management device can automatically control the solar power generation equipment or the hydrogen fuel cell to supply power to the building electric equipment so as to realize dynamic balance of solar energy and hydrogen energy utilization, and can also control the solar power generation equipment or the hydrogen fuel cell to supply power to the building electric equipment according to the operation of a user, so that the flexibility of system operation is improved.
In some preferred embodiments, the building distributed energy supply system based on hydrogen energy further includes: the waste heat recovery device comprises a first heat exchanger, a second heat exchanger and a water tank, wherein the first heat exchanger is connected with the second heat exchanger through a cooling liquid circulation pipeline, the first heat exchanger is arranged near the hydrogen fuel cell, the second heat exchanger is arranged in the water tank, the cooling liquid circulation pipeline is filled with cooling liquid, and the cooling liquid circulation pipeline is further provided with a circulating pump used for driving the cooling liquid to flow circularly between the first heat exchanger and the second heat exchanger.
The hydrogen fuel cell can generate a large amount of heat in the power generation process, and the heat energy can be recovered by utilizing waste heat recovery equipment. Specifically, the cooling liquid exchanges heat with the hydrogen fuel cell in the first heat exchanger, flows to the second heat exchanger under the driving of the circulating pump, exchanges heat with water in the water tank, and the water in the water tank is heated. The water heated in the water tank can be used for domestic water.
In some preferred embodiments, in the building distributed energy supply system based on hydrogen energy, the water tank is communicated to the building water outlet faucet through a water supply pipeline. The hot water in the water tank may be connected to a building outlet tap through a water supply line and made available to a user. The building outlet tap may also be connected to a municipal water supply, and the user may choose to use either the water in the tank or the tap water.
In summary, according to the building distributed energy supply system based on hydrogen energy provided by the embodiment of the invention, hydrogen gas is prepared without depending on other energy sources, but solar energy which is an energy source available at any time is adopted, so that the cleanness and the environment protection of the whole energy production process can be realized, meanwhile, the energy supply of the building is realized by both solar energy and hydrogen energy, and under the condition that the solar energy can be used (for example, in the daytime with sufficient sunlight), the solar energy is uninterruptedly used for supplying energy, but not only depends on the hydrogen energy for supplying energy, and under the condition that the night or the sunlight is insufficient, the hydrogen energy can be used, so that the solar energy and the hydrogen energy are effectively combined, and the utilization efficiency of the energy sources is comprehensively improved.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the invention not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (7)
1. A building distributed energy supply system based on hydrogen energy is characterized by comprising:
a hydrogen production facility;
the solar power generation equipment is connected to the hydrogen production equipment and the building electric equipment through a first power supply selection module, and supplies power to the hydrogen production equipment and/or the building electric equipment according to the regulation and control of the first power supply selection module;
a hydrogen storage device connected to the hydrogen production device for storing hydrogen gas produced by the hydrogen production device;
a hydrogen storage amount detector provided in the hydrogen storage device for detecting a hydrogen storage amount in the hydrogen storage device;
the hydrogen fuel cell is connected to the hydrogen storage equipment, is connected to the electric equipment for the building through a second power supply selection module, and is used for supplying power to the electric equipment for the building according to the regulation and control of the second power supply selection module;
a power supply management device connected to the first power supply selection module, the second power supply selection module and the hydrogen storage detector, wherein the power supply management module is used for sending a control instruction to the first power supply selection module when the hydrogen storage detector detects that the hydrogen storage in the hydrogen storage device is lower than a storage threshold value, so that the solar power generation device supplies power to the hydrogen production device and the building electric device according to the regulation of the first power supply selection module, and sending a control instruction to the first power supply selection module when the hydrogen storage detector detects that the hydrogen storage in the hydrogen storage device is higher than the storage threshold value, so that the solar power generation device supplies power to the building electric device according to the regulation of the first power supply selection module, and sending a control instruction to the second power supply selection module when the solar power generation device does not generate power, so that the hydrogen fuel cell supplies power to the electric equipment for construction according to the regulation and control of the second power supply selection module.
2. The hydrogen energy based building distributed energy supply system of claim 1, further comprising:
a light intensity detector for detecting an illumination intensity of an outdoor environment;
the power supply management device is connected to the light intensity detector and used for sending a control instruction to the second power supply selection module when the light intensity detector detects that the illumination intensity of the outdoor environment is lower than a light intensity threshold value, so that the hydrogen fuel cell supplies power to the building electric equipment according to the regulation and control of the second power supply selection module.
3. The building distributed energy supply system based on hydrogen energy of claim 2, the power supply management device is used for detecting that the hydrogen storage amount in the hydrogen storage equipment is lower than a storage amount threshold value by the hydrogen storage amount detector, and when the light intensity detector detects that the illumination intensity of the outdoor environment is higher than the light intensity threshold value, a control instruction is sent to the first power supply selection module, so that the solar power generation device supplies power to the hydrogen production device and the building electric equipment according to the regulation and control of the first power supply selection module, and for detecting at the hydrogen storage detector that the hydrogen storage in the hydrogen storage device is above a storage threshold, and when the light intensity detector detects that the illumination intensity of the outdoor environment is higher than the light intensity threshold value, a control instruction is sent to the first power supply selection module, so that the solar power generation equipment supplies power to the building electric equipment according to the regulation and control of the first power supply selection module.
4. The hydrogen energy based building distributed energy supply system of claim 2, further comprising: a storage battery; the hydrogen fuel cell is connected to the storage battery through the second power supply selection module, and power is supplied to the storage battery or the building electric equipment according to the regulation selectivity of the second power supply selection module; the power supply management module is used for sending a control instruction to the second power supply selection module when the hydrogen storage amount detector detects that the hydrogen storage amount in the hydrogen storage device is higher than a storage amount threshold value and the light intensity detector detects that the illumination intensity of the outdoor environment is higher than a light intensity threshold value, so that the hydrogen fuel cell charges the storage battery according to the regulation and control of the second power supply selection module.
5. The building distributed energy supply system based on hydrogen energy as claimed in claim 1, wherein the power supply management device further issues a control instruction to the first power supply selection module or the second power supply selection module according to the selection of the power source of the building electric equipment by the user, so that the solar power generation equipment supplies power to the building electric equipment according to the regulation of the first power supply selection module, or so that the hydrogen fuel cell supplies power to the building electric equipment according to the regulation of the second power supply selection module.
6. The hydrogen energy based building distributed energy supply system of claim 1, further comprising: the waste heat recovery device comprises a first heat exchanger, a second heat exchanger and a water tank, wherein the first heat exchanger is connected with the second heat exchanger through a cooling liquid circulation pipeline, the first heat exchanger is arranged near the hydrogen fuel cell, the second heat exchanger is arranged in the water tank, the cooling liquid circulation pipeline is filled with cooling liquid, and the cooling liquid circulation pipeline is further provided with a circulating pump used for driving the cooling liquid to flow circularly between the first heat exchanger and the second heat exchanger.
7. The building distributed power supply system based on hydrogen energy of claim 6, wherein the water tank is connected to a building water outlet tap through a water supply line.
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| CN116544470A (en) * | 2023-06-30 | 2023-08-04 | 中石油深圳新能源研究院有限公司 | Pile stability test system for proton exchange membrane fuel cell |
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