CN111262310A - Household standby power supply system - Google Patents
Household standby power supply system Download PDFInfo
- Publication number
- CN111262310A CN111262310A CN202010225906.9A CN202010225906A CN111262310A CN 111262310 A CN111262310 A CN 111262310A CN 202010225906 A CN202010225906 A CN 202010225906A CN 111262310 A CN111262310 A CN 111262310A
- Authority
- CN
- China
- Prior art keywords
- methanol
- fuel cell
- water
- hydrogen fuel
- power supply
- 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
Links
- 239000001257 hydrogen Substances 0.000 claims abstract description 68
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 68
- 239000000446 fuel Substances 0.000 claims abstract description 67
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 55
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 55
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 30
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000002828 fuel tank Substances 0.000 claims abstract description 6
- 239000005431 greenhouse gas Substances 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000002407 reforming Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Classifications
-
- 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
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1009—Fuel cells with solid electrolytes with one of the reactants being liquid, solid or liquid-charged
- H01M8/1011—Direct alcohol fuel cells [DAFC], e.g. direct methanol fuel cells [DMFC]
-
- 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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit 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
- H02J9/06—Circuit 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
- H02J9/061—Circuit 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 for DC powered loads
-
- 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
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Sustainable Development (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Business, Economics & Management (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
The invention discloses a household standby power supply system, which belongs to the technical field of standby power supplies and comprises a lithium battery, a methanol-water-hydrogen fuel cell generator and a controller, wherein the controller is respectively electrically connected with the methanol-water-hydrogen fuel cell generator and the lithium battery and respectively controls the work of the methanol-water-hydrogen fuel cell generator and the lithium battery, the methanol-water-hydrogen fuel cell generator comprises a fuel tank, a methanol-water reformer and a hydrogen fuel cell, the methanol-water-hydrogen fuel cell generator is connected with a household power supply and is used for supplying power to the household power supply when the power is off, the lithium battery is connected with the household power supply and supplies power to the household power supply when the power is off, the lithium battery is connected with the methanol-water-hydrogen fuel cell generator and is charged through the methanol-water-hydrogen fuel cell generator, and the methanol-water-hydrogen fuel cell generator and the lithium, reduce the emission of greenhouse gases.
Description
Technical Field
The invention relates to the technical field of standby power supplies, in particular to a household standby power supply system.
Background
Household power sources are typically powered by the combustion of non-renewable energy sources, such as coal. However, in some areas with low economic efficiency, the quality of life of people is reduced when power supply cannot be stably supplied or the household power supply is interrupted due to non-human reasons. Therefore, the environment-friendly standby power can be adoptedThe source (hydrogen as fuel) is used as supplement to household power supply, not only can provide power supply during power failure, but also can reduce greenhouse gases such as CO in the process2And (4) discharging.
Disclosure of Invention
The invention provides a household standby power supply system, which overcomes the influence caused by sudden power failure of a household power supply and reduces environmental pollution.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a household standby power supply system comprises a lithium battery, a methanol-water-hydrogen fuel cell generator and a controller, wherein the controller is respectively electrically connected with the methanol-water-hydrogen fuel cell generator and the lithium battery through circuits and respectively controls the methanol-water-hydrogen fuel cell generator and the lithium battery to work;
the methanol-water hydrogen fuel cell generator comprises a fuel tank, a methanol-water reformer and a hydrogen fuel cell, and does not need to use external high-pressure hydrogen;
the methanol-water-hydrogen fuel cell generator is connected with a household power supply through a circuit and used for supplying power to the household power supply when the power is cut off;
the lithium battery is connected with a household power supply through a circuit and supplies power to the household power supply when the power is cut off, and the lithium battery is connected with the methanol-water-hydrogen fuel cell generator and is charged through the methanol-water-hydrogen fuel cell generator.
Preferably, the methanol-water hydrogen fuel cell generator, the lithium battery and the controller are arranged in a modularized manner, and at least one group of the lithium battery, the methanol-water hydrogen fuel cell generator and the controller is arranged.
Preferably, the methanol-water-hydrogen fuel cell generator and the lithium battery are both provided with an independent safety early warning device.
Preferably, the lithium battery is rechargeable by external power from a household power source.
The power supply of the methanol-water hydrogen fuel cell generator to the household power supply is automatically controlled by the controller. The charging of the methanol-water hydrogen fuel cell generator to the lithium battery is automatically controlled by the controller. The charging and discharging between the lithium battery and the household power supply are automatically controlled by the controller. The power supply of the controller can be provided by a lithium battery or a methanol-water-hydrogen fuel cell generator.
By adopting the technical scheme, the power supply stability of the household power supply is improved by adopting the methanol-water hydrogen fuel cell generator and the lithium battery as the standby power supply system, and the emission of greenhouse gases is reduced.
Drawings
FIG. 1 is a schematic diagram of a connection according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the components of a methanol-water hydrogen fuel cell generator according to an embodiment of the invention.
In the figure, 10, a household power supply, 20, a lithium battery, 30, a methanol-water hydrogen fuel cell generator, 31, a fuel tank, 32, a methanol-water reformer, 33, a hydrogen fuel cell, 40 and a controller.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1-2, the household standby power system provided by the present invention includes a lithium battery 20, a methanol-water-hydrogen fuel cell generator 30, and a controller 40, wherein the controller 40 is electrically connected to the methanol-water-hydrogen fuel cell generator 30 and the lithium battery 20 through a circuit, and controls the operation of the methanol-water-hydrogen fuel cell generator 30 and the operation of the lithium battery 20.
The methanol-water hydrogen fuel cell generator 30 includes a fuel tank 31, a methanol-water reformer 32, and a hydrogen fuel cell 33 without using external high-pressure hydrogen gas.
The methanol water hydrogen fuel cell generator 30 is connected with the household power supply 10 through a circuit and is used for supplying power to the household power supply 10 when the power is cut off;
the lithium battery 20 is connected with the household power supply 10 through a line and supplies power to the household power supply 10 when the power is cut off, and the lithium battery 20 is connected with the methanol-water-hydrogen fuel cell generator 30 and is charged through the methanol-water-hydrogen fuel cell generator 30; the lithium battery 20 and the methanol-water-hydrogen fuel cell generator 30 can complement each other in the working process, for example, the lithium battery 20 and the methanol-water-hydrogen fuel cell generator 30 can supply power to the household power supply 10 together, so that the household power supply 10 is prevented from working unstably when the output power of the methanol-water-hydrogen fuel cell generator 30 does not reach the required output power; or after the output power of the methanol-water-hydrogen fuel cell generator 30 reaches the required output power, turning to the power supply and charging the lithium battery 20 at the same time, and stopping the power supply of the household power supply 10 by the lithium battery 20; or when the power is normally supplied from the outside of the home power supply 10, the lithium battery 20 is charged.
The methanol water hydrogen fuel cell generator 30 and the lithium battery 20 are used as a standby power supply system, so that the power supply stability of the household power supply 10 can be improved, and the emission of greenhouse gases can be reduced.
Further, the methanol-water-hydrogen fuel cell generator 30, the lithium battery 20 and the controller 40 are arranged in a modularized manner, the lithium battery 20, the methanol-water-hydrogen fuel cell generator 30 and the controller 40 are at least provided with one group, and the lithium battery 20, the methanol-water-hydrogen fuel cell generator 30 and the controller 40 can be provided with corresponding quantities according to the load requirements of the household power supply 10 and the requirements of setting a multi-path redundant standby system.
Further, the methanol-water-hydrogen fuel cell generator 30 and the lithium battery 20 are both provided with separate safety early warning devices, and the safety in the operation process is improved through the safety early warning devices.
Further, the lithium battery 20 can be charged by external power supply from the household power supply 10, and the charging priority of the lithium battery 20 can be set by a program, or can be manually controlled, for example, when the charging is controlled by a program, the charging can be set by external power supply from the household power supply 10.
The power supply of the methanol-water-hydrogen fuel cell generator 30 to the household power supply 10 is automatically controlled by the controller 40. The charging of the methanol water hydrogen fuel cell generator 30 to the lithium battery 20 is automatically controlled by the controller 40. The charging and discharging between the lithium battery 20 and the home power supply 10 is automatically controlled by the controller 40. The power for the controller 40 may be provided by the lithium battery 20 or the methanol-water-hydrogen fuel cell generator 30 (not shown).
The above-mentioned lines include current supply lines and also control lines. The current supply lines are marked by solid indicator lines with arrows indicating the direction of current flow, e.g., the methanol water hydrogen fuel cell generator 30 can supply current to the lithium battery 20 to charge the lithium battery 20. The control lines are marked with dashed lines with arrows indicating the objects of control, such as the controller 40 controlling the charging and discharging of the lithium battery 20 and the switching of the methanol-water-hydrogen fuel cell generator 30.
The lithium battery 20 and the methanol water hydrogen fuel cell generator 30 supply power to the household power supply 10 through the current transmission line, and the household power supply 10 can also supply power to the lithium battery 20. The power supply of the lithium battery 20 and the methanol-water-hydrogen fuel cell generator 30 to the home power supply 10 is controlled by the controller 40.
In the methanol-water hydrogen fuel cell generator 30, a fuel tank 31 supplies a raw material to a methanol-water reforming reactor, the methanol-water raw material is reacted in the methanol-water reforming reactor to generate hydrogen gas, the generated hydrogen gas is separated and purified to be directly supplied to a hydrogen fuel cell 33, high-purity hydrogen gas is reacted in the hydrogen fuel cell 33 to convert part of chemical energy into electric energy, and the converted electric energy can be supplied to a household power supply 10 through a line. For a more detailed description of the methanol-water-hydrogen fuel cell generator 30, reference may be made to other patents or documents, which are not repeated herein.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (4)
1. A household backup power system, characterized in that: the system comprises a lithium battery (20), a methanol-water-hydrogen fuel cell generator (30) and a controller (40), wherein the controller (40) is respectively electrically connected with the methanol-water-hydrogen fuel cell generator (30) and the lithium battery (20) and respectively controls the work of the methanol-water-hydrogen fuel cell generator (30) and the work of the lithium battery (20);
the methanol-water hydrogen fuel cell generator (30) comprises a fuel tank (31), a methanol-water reformer (32) and a hydrogen fuel cell (33);
the methanol-water-hydrogen fuel cell generator (30) is connected with the household power supply (10) and is used for supplying power to the household power supply (10) when the power is cut off;
the lithium battery (20) is connected with a household power supply (10) and supplies power to the household power supply (10) when power is off, and the lithium battery (20) is connected with the methanol-water-hydrogen fuel cell generator (30) and is charged through the methanol-water-hydrogen fuel cell generator (30).
2. The home backup power supply system according to claim 1, wherein: the methanol-water-hydrogen fuel cell generator (30), the lithium battery (20) and the controller (40) are arranged in a modularized mode, and the lithium battery (20), the methanol-water-hydrogen fuel cell generator (30) and the controller (40) are at least provided with one group.
3. The home backup power supply system according to claim 1, wherein: the methanol water hydrogen fuel cell generator (30) and the lithium battery (20) are both provided with independent safety early warning devices.
4. The home backup power supply system according to claim 1, wherein: the lithium battery (20) can be charged by external power supply from the household power supply (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225906.9A CN111262310A (en) | 2020-03-26 | 2020-03-26 | Household standby power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010225906.9A CN111262310A (en) | 2020-03-26 | 2020-03-26 | Household standby power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111262310A true CN111262310A (en) | 2020-06-09 |
Family
ID=70953457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010225906.9A Pending CN111262310A (en) | 2020-03-26 | 2020-03-26 | Household standby power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111262310A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952660A (en) * | 2020-09-23 | 2020-11-17 | 山西石伟达机电科技股份有限公司 | Lithium ion storage battery device for mine trackless rubber-tyred vehicle |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120169127A1 (en) * | 2010-12-29 | 2012-07-05 | Chung-Hsin Electric And Machinery Manufacturing Corp. | Power supply system and fuel cell backup power system thereof |
| CN103707795A (en) * | 2014-01-15 | 2014-04-09 | 中通服节能技术服务有限公司 | Mobile emergency power generation vehicle using methanol fuel cell |
| KR20160042488A (en) * | 2014-10-10 | 2016-04-20 | (주) 팝스 | Fuel cell system for charging electric vehicle batteries |
| CN106379193A (en) * | 2016-11-22 | 2017-02-08 | 中车株洲电力机车有限公司 | Energy-storing electric vehicle control system and electric vehicle with system |
| CN207320831U (en) * | 2018-01-31 | 2018-05-04 | 安徽明天氢能科技股份有限公司 | A kind of Intelligent household type energy interacted system |
| CN209200763U (en) * | 2019-02-15 | 2019-08-02 | 广东电网有限责任公司 | A kind of uninterruptible power supply |
| CN211655799U (en) * | 2020-03-26 | 2020-10-09 | 广东能创科技有限公司 | Household standby power supply system |
-
2020
- 2020-03-26 CN CN202010225906.9A patent/CN111262310A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120169127A1 (en) * | 2010-12-29 | 2012-07-05 | Chung-Hsin Electric And Machinery Manufacturing Corp. | Power supply system and fuel cell backup power system thereof |
| CN103707795A (en) * | 2014-01-15 | 2014-04-09 | 中通服节能技术服务有限公司 | Mobile emergency power generation vehicle using methanol fuel cell |
| KR20160042488A (en) * | 2014-10-10 | 2016-04-20 | (주) 팝스 | Fuel cell system for charging electric vehicle batteries |
| CN106379193A (en) * | 2016-11-22 | 2017-02-08 | 中车株洲电力机车有限公司 | Energy-storing electric vehicle control system and electric vehicle with system |
| CN207320831U (en) * | 2018-01-31 | 2018-05-04 | 安徽明天氢能科技股份有限公司 | A kind of Intelligent household type energy interacted system |
| CN209200763U (en) * | 2019-02-15 | 2019-08-02 | 广东电网有限责任公司 | A kind of uninterruptible power supply |
| CN211655799U (en) * | 2020-03-26 | 2020-10-09 | 广东能创科技有限公司 | Household standby power supply system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111952660A (en) * | 2020-09-23 | 2020-11-17 | 山西石伟达机电科技股份有限公司 | Lithium ion storage battery device for mine trackless rubber-tyred vehicle |
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