CN108448712A - A kind of emergency power supply of water hydrogen power generation - Google Patents

A kind of emergency power supply of water hydrogen power generation Download PDF

Info

Publication number
CN108448712A
CN108448712A CN201810222621.2A CN201810222621A CN108448712A CN 108448712 A CN108448712 A CN 108448712A CN 201810222621 A CN201810222621 A CN 201810222621A CN 108448712 A CN108448712 A CN 108448712A
Authority
CN
China
Prior art keywords
module
hydrogen
power supply
water
methanol
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810222621.2A
Other languages
Chinese (zh)
Inventor
莫礼
林文峰
罗宇聪
朱锦鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Chameni Technology Ltd By Share Ltd
G Tech Co Ltd
Original Assignee
Guangdong Chameni Technology Ltd By Share Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Guangdong Chameni Technology Ltd By Share Ltd filed Critical Guangdong Chameni Technology Ltd By Share Ltd
Priority to CN201810222621.2A priority Critical patent/CN108448712A/en
Publication of CN108448712A publication Critical patent/CN108448712A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/04Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
    • H01M8/04223Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells
    • H01M8/04225Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-down; Depolarisation or activation, e.g. purging; Means for short-circuiting defective fuel cells during start-up
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00Fuel cells; Manufacture thereof
    • H01M8/06Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0612Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
    • H01M8/0618Reforming processes, e.g. autothermal, partial oxidation or steam reforming
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/10Applications of fuel cells in buildings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power Engineering (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
  • Fuel Cell (AREA)

Abstract

The invention discloses a kind of emergency power supplies of water hydrogen power generation, including methanol-water hydrogen manufacturing module, electricity generation module, emergency power supply module, first switch module;Methanol-water hydrogen manufacturing module, which reacts methanol with water, is made hydrogen, electricity generation module connect with methanol-water hydrogen manufacturing module and is produced electricl energy with reacting hydrogen with oxygen, emergency power supply module is electrically connected with electricity generation module to store the electric energy of electricity generation module generation, first switch module can with external electric equipment be electrically connected using be closed when as power supply for electrical equipment, the design is generated electricity using first alcohol and water mixed raw material, methanol is renewable resource, it is easy to obtain, water hydrogen technology power generation energy resource utilization rate is high, entire reaction process is without too many pollution, without using alternating current, economical environment-protective, ensure to be electrical equipment continued power simultaneously.

Description

A kind of emergency power supply of water hydrogen power generation
Technical field
The present invention relates to emergency power supply field, especially a kind of emergency power supply using the reaction power generation of water hydrogen.
Background technology
Hydrogen Energy is a kind of secondary energy sources, have the characteristics that source it is various, it is environmental clean, can store and renewable, Ke Yitong When meet resource, environment and the requirement of sustainable development.Traditional Hydrogen Energy be with fossil energy concentrate the laggard horizontal high voltage of production hydrogen, Storage and transportation is canned or pipeline etc. again can be into access customer by large-scale hydrogenation stations, and water hydrogen technology has been resolved traditional hydrogen combustion Expect that problem is transported in the storage of battery hydrogen, water hydrogen generation technology utilizes catalytic reforming technology, and methanol-water is direct as raw material hydrogen manufacturing Power generation, it is no longer necessary to be used by hydrogen compressing and canning or pipeline transportation, by hydrogenation stations.
Water hydrogen technology is sent out a little again using the mixed solution hydrogen manufacturing of methanol and water, and entire power generation process is electrochemical reaction, Only discharge water and a small amount of carbon dioxide, without dirts such as oxygen sulfur compound (SOX), oxynitrides (NOX), particulate matters (PM2.5) Contaminate object.And as the primary raw material of water hydrogen technology hydrogen manufacturing, the source of methanol is very wide, in addition to coal, coal bed gas, natural can be utilized The traditional energies such as gas obtain, and by the intermittent regenerative resource hydrogen manufacturing such as solar energy, wind energy and can also utilize two in air Carbonoxide, which catalyzes and synthesizes, to be produced, and agricultural crop straw, animal wastes and organic wastewater fermentation can also be utilized to obtain, prior It is that it can also regenerate and reuse.
As a kind of emergency power supply, when the alternating current for being originally used for power supply for electrical equipment breaks down, conducting emergency power supply with Power supply circuit between electrical equipment, can allow electrical equipment continue working, carried out to emergency power supply using alternating current in the past Charging, and the electric energy in alternating current often has non-renewable energy resources power generation, and not environmentally, while energy utilization rate is low.
Invention content
In order to solve the above technical problems, the object of the present invention is to provide a kind of emergency power supplies to generate electricity using water hydrogen technology.
The technical solution adopted by the present invention is:
A kind of emergency power supply of water hydrogen power generation, including:
Hydrogen is made for reacting methanol with water in methanol-water hydrogen manufacturing module;
Electricity generation module connect with methanol-water hydrogen manufacturing module and is produced electricl energy with reacting hydrogen with oxygen;
Emergency power supply module is electrically connected with electricity generation module to store the electric energy of electricity generation module generation;
First switch module, can with external electric equipment be electrically connected using be closed when as power supply for electrical equipment.
Further include main control module, main control module be electrically connected with first switch module with control first switch module be closed or Person disconnects.
Further include second switch module, second switch module is electrically connected with electricity generation module, emergency power supply module respectively, main Control module is electrically connected with second switch module to be closed or disconnects to control second switch module.
The methanol-water hydrogen manufacturing module includes sequentially connected liquid storage container, heating reaction unit, separator, liquid storage container For storing methanol-water, heats and be provided with catalyst in reaction unit and methanol-water can be heated so that methanol-water is catalyzed instead Hydrogen and residue should be generated, separator is connected with electricity generation module to detach hydrogen and be transported in electricity generation module.
The separator is membrane separator or pressure-variable adsorption separator.
The heating reaction unit includes reative cell and is arranged in the indoor heating element of reaction, and the electricity generation module is Heating element is powered.
The electricity generation module is hydrogen fuel cell, and hydrogen fuel cell includes cathode input terminal, anode input terminal and electric energy The cathode input terminal of output end, separator and hydrogen fuel cell is electrically connected to provide hydrogen, the anode input of hydrogen fuel cell End is connected to outside air to receive oxygen, and the electric energy output end of hydrogen fuel cell can be electrically connected with electrical equipment.
Further include inverter, the inverter respectively with the electric energy output end of hydrogen fuel cell, electrical equipment be electrically connected with It is power supply for electrical equipment that the DC conversion that the electric energy output end of hydrogen fuel cell is exported, which is alternating current,.
Beneficial effects of the present invention:
The emergency power supply of water hydrogen power generation of the present invention, methanol-water hydrogen manufacturing module reacts methanol with water as raw material is made hydrogen Gas, while electricity generation module is reacted with oxygen using hydrogen obtained and is produced electricl energy, and be stored in emergency power supply module, in alternating current Or main power supply system, when breaking down to power supply for electrical equipment, first switch module is closed, and is electrical equipment by emergency power supply Power supply, the design are generated electricity using first alcohol and water mixed raw material, and methanol is renewable resource, are easy to obtain, water hydrogen technology power generation energy Source utilization rate is high, and entire reaction process is without too many pollution, without using alternating current, economical environment-protective, while ensureing to be electrical equipment Continued power.
Description of the drawings
The specific implementation mode of the present invention is described further below in conjunction with the accompanying drawings.
Fig. 1 is the principle schematic of emergency power supply of the present invention.
Specific implementation mode
As shown in Figure 1, emergency power supply of the present invention, including methanol-water hydrogen manufacturing module 1, electricity generation module 2, emergency power supply module 3, First switch module 4;Methanol-water hydrogen manufacturing module 1, which reacts methanol with water, is made hydrogen, electricity generation module 2 and methanol-water hydrogen manufacturing module 1 connection is produced electricl energy with reacting hydrogen with oxygen, and emergency power supply module 3 is electrically connected with electricity generation module 2 to store power generation mould The electric energy that block 2 generates, first switch module 4 can be electrically connected with external electric equipment 5 to be supplied as electrical equipment 5 when being closed Electricity.
Wherein emergency power supply module 3 can be can charge and discharge UPS, methanol-water hydrogen manufacturing module 1 is using methanol and water as former Hydrogen is made in material reaction, while electricity generation module 2 is reacted with oxygen using hydrogen obtained and produced electricl energy, and is stored in emergency power supply In module 3, when alternating current or main power supply system power to electrical equipment 5 and break down, first switch module 4 is closed, by answering Urgent telegram source is power supply for electrical equipment, and the design is generated electricity using first alcohol and water mixed raw material, and methanol is renewable resource, is easy to obtain It taking, water hydrogen technology power generation energy resource utilization rate is high, and entire reaction process is without too many pollution, without using alternating current, economical environment-protective, together When ensure be 5 continued power of electrical equipment.
Further, the design further includes main control module 6, and main control module 6 is electrically connected with first switch module 4 to control It can be the control elements such as CPU or MCU and peripheral circuit that first switch module 4, which is closed the main control module 6 either disconnected herein, Composition, while voltage detecting circuit can also be added to detect the power supply of external alternating current, the main control module 6 when alternating current breaks down It is that electrical equipment 5 is powered to control first switch module 4 and be closed.
In order to improve the use durability degree of emergency power supply module 3, the design further includes second switch module 7, second switch Module 7 is electrically connected with electricity generation module 2, emergency power supply module 3 respectively, main control module 6 and second switch module 7 be electrically connected with Second switch module 7 is controlled to be closed or disconnect, control principle of the design about first switch module 4, second switch module 7 Preferred embodiment is, when first switch module 4 is closed, main control module 6 controls second switch module 7 and disconnects, in first switch When module 4 disconnects, main control module 6 controls second switch module 7 and is closed, to ensure emergency power supply module 3 in charging process It does not power, does not charge in power supply process, reduce the loss of emergency power supply module 3, herein first switch module 4 and second switch mould Charging circuit or discharge circuit are carried inside block 7.
Catalytic reforming technology can be used in the design, and methanol-water hydrogen manufacturing module 1 includes sequentially connected liquid storage container 11, heating Reaction unit 12, separator 13, liquid storage container 11 for storing methanol-water, heat be provided in reaction unit 12 catalyst and Methanol-water can be heated so that methanol-water catalysis reaction generates hydrogen and residue, separator 13 connect with electricity generation module 2 with Separation hydrogen is simultaneously transported in electricity generation module 2, and wherein residue includes mainly carbon dioxide and water etc., and heats reaction unit Temperature is generally between 300 DEG C -570 DEG C in 12.
Further, separator 13 is membrane separator or pressure-variable adsorption separator.
And heat reaction unit 12 and include reative cell 121 and the heating element 122 being arranged in reative cell 121, it is described Electricity generation module 2 is powered for heating element 122, and the electric energy part generated herein is used to power for heating element 122, ensures heating The continuous service of reaction unit 12, while it further includes the start-up circuit being electrically connected with heating element 122 to heat reaction unit 12, Start-up circuit can access in alternating current or access storage battery, under initial launch, provide of short duration electric energy triggering heating element Operation, and heating element can be heating plate or heater strip.
In turn, electricity generation module 2 is hydrogen fuel cell, and hydrogen fuel cell includes cathode input terminal, anode input terminal and electricity Energy output end, separator 13 and the cathode input terminal of hydrogen fuel cell are electrically connected to provide hydrogen, the anode of hydrogen fuel cell Input terminal is connected to outside air to receive oxygen, and electric energy output end and the electrical equipment 5 of hydrogen fuel cell are electrically connected.
In addition, the needs of part electrical equipment 5 are powered by exchange, the design further includes inverter 8, which divides It is not electrically connected with the electric energy output end of hydrogen fuel cell, electrical equipment straight to export the electric energy output end of hydrogen fuel cell It is power supply for electrical equipment that galvanic electricity, which is converted into alternating current,.
The foregoing is merely the preferred embodiments of the present invention, and the present invention is not limited to the above embodiments, as long as with Essentially identical means realize that the technical solution of the object of the invention belongs within protection scope of the present invention.

Claims (8)

1. a kind of emergency power supply of water hydrogen power generation, which is characterized in that including:
Hydrogen is made for reacting methanol with water in methanol-water hydrogen manufacturing module;
Electricity generation module connect with methanol-water hydrogen manufacturing module and is produced electricl energy with reacting hydrogen with oxygen;Emergency power supply module, with hair Electric module is electrically connected to store the electric energy of electricity generation module generation;First switch module can electrically connect with external electric equipment Connect using be closed when as power supply for electrical equipment.
2. a kind of emergency power supply of water hydrogen power generation according to claim 1, it is characterised in that:Further include main control module, it is main Control module is electrically connected with first switch module to be closed or disconnects to control first switch module.
3. a kind of emergency power supply of water hydrogen power generation according to claim 2, it is characterised in that:It further include second switch mould Block, second switch module are electrically connected with electricity generation module, emergency power supply module respectively, and main control module and second switch module are electrical Connection is closed or disconnects to control second switch module.
4. a kind of emergency power supply of water hydrogen power generation according to claim 1, it is characterised in that:The methanol-water hydrogen manufacturing module Including sequentially connected liquid storage container, heating reaction unit, separator, liquid storage container is for storing methanol-water, heating reaction dress It is provided with catalyst in setting and methanol-water can be heated so that methanol-water catalysis reaction generates hydrogen and residue, separator It is connected with electricity generation module to detach hydrogen and be transported in electricity generation module.
5. a kind of emergency power supply of water hydrogen power generation according to claim 4, it is characterised in that:The separator is UF membrane Device or pressure-variable adsorption separator.
6. a kind of emergency power supply of water hydrogen power generation according to claim 4, it is characterised in that:The heating reaction unit packet It is heating element power supply that reative cell and setting, which are included, reacting indoor heating element, the electricity generation module.
7. a kind of emergency power supply of water hydrogen power generation according to claim 4, it is characterised in that:The electricity generation module fires for hydrogen Expect that battery, hydrogen fuel cell include cathode input terminal, anode input terminal and electric energy output end, separator and hydrogen fuel cell Cathode input terminal is electrically connected to provide hydrogen, and the anode input terminal of hydrogen fuel cell is connected to outside air to receive oxygen, The electric energy output end of hydrogen fuel cell can be electrically connected with electrical equipment.
8. a kind of emergency power supply of water hydrogen power generation according to claim 7, it is characterised in that:Further include inverter, this is inverse Become device to be electrically connected so that the electric energy output end of hydrogen fuel cell is defeated with the electric energy output end of hydrogen fuel cell, electrical equipment respectively The DC conversion gone out is that alternating current is power supply for electrical equipment.
CN201810222621.2A 2018-03-19 2018-03-19 A kind of emergency power supply of water hydrogen power generation Pending CN108448712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810222621.2A CN108448712A (en) 2018-03-19 2018-03-19 A kind of emergency power supply of water hydrogen power generation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810222621.2A CN108448712A (en) 2018-03-19 2018-03-19 A kind of emergency power supply of water hydrogen power generation

Publications (1)

Publication Number Publication Date
CN108448712A true CN108448712A (en) 2018-08-24

Family

ID=63195015

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810222621.2A Pending CN108448712A (en) 2018-03-19 2018-03-19 A kind of emergency power supply of water hydrogen power generation

Country Status (1)

Country Link
CN (1) CN108448712A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109713345A (en) * 2018-12-21 2019-05-03 中广核研究院有限公司 Collecting and distributing manifold type emergency power system and collecting and distributing manifold type emergency power supply station
CN112564259A (en) * 2020-11-09 2021-03-26 上海电气集团股份有限公司 Standby power supply system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105071742A (en) * 2015-08-13 2015-11-18 上海合既得动氢机器有限公司 Water hydrogen energy self-powered system and method
CN105169559A (en) * 2015-10-12 2015-12-23 上海合既得动氢机器有限公司 Water hydrogen defibrillator
CN105305545A (en) * 2015-10-22 2016-02-03 上海合既得动氢机器有限公司 Water-hydrogen mobile charger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105071742A (en) * 2015-08-13 2015-11-18 上海合既得动氢机器有限公司 Water hydrogen energy self-powered system and method
CN105169559A (en) * 2015-10-12 2015-12-23 上海合既得动氢机器有限公司 Water hydrogen defibrillator
CN105305545A (en) * 2015-10-22 2016-02-03 上海合既得动氢机器有限公司 Water-hydrogen mobile charger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109713345A (en) * 2018-12-21 2019-05-03 中广核研究院有限公司 Collecting and distributing manifold type emergency power system and collecting and distributing manifold type emergency power supply station
CN112564259A (en) * 2020-11-09 2021-03-26 上海电气集团股份有限公司 Standby power supply system

Similar Documents

Publication Publication Date Title
CN111139493B (en) Solar photovoltaic photo-thermal high-temperature water electrolysis hydrogen production system and hydrogen production method
EP2905359B1 (en) Renewable energy storage system
CN109707992B (en) Multifunctional charging hydrogenation station
CN102544549A (en) Combined heat and power (CHP) supply system based on fuel cell
CN110690855A (en) Energy system of novel net zero energy consumption building based on hydrogen energy storage
WO2016192574A1 (en) Charging station having multiple groups of methanol-water reforming hydrogen production and power generation modules, and method
CN103825037A (en) Fuel cell fast heating system and method adopting cold starting
CN112271752A (en) Distributed energy system
CN112144071A (en) Water electrolysis hydrogen production system
CN217300714U (en) Methanol fuel double-circuit power generation device and heat exchange system thereof
CN201985204U (en) Heat-power co-generation system based on fuel cell
CN108448712A (en) A kind of emergency power supply of water hydrogen power generation
CN114069000B (en) Hydrogen energy distributed power generation system and operation method
CN103337646A (en) Home-used photovoltaic hydrogen production and fuel cell thermal-electricity combined providing machine
CN205292310U (en) Fuel cell car of solar energy auxiliary power generation
CN110676493A (en) Photovoltaic coupling solid oxide fuel cell cold-hot electric system and energy supply method
CN114665120A (en) SOFC-GT hybrid power generation system based on multi-type fuel
CN203907723U (en) Fuel cell electricity generation and heating system for building
CN2914456Y (en) Stand-by power supply based on fuel cell
CN210420193U (en) Hydrogen production device based on distributed photo-thermal water electrolysis and hydrogen fuel cell system
KR101634816B1 (en) Fuel Cell System
CN108448147A (en) A kind of water hydrogen power supply elevator
CN212810358U (en) Clean energy power supply system
CN104157890A (en) Hydrogen fuel cell hot water utilization system
CN205429855U (en) Charging station of solar energy auxiliary power generation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180824

RJ01 Rejection of invention patent application after publication