CN201904643U - Household/industrial emergency power supply system based on fuel cell - Google Patents
Household/industrial emergency power supply system based on fuel cell Download PDFInfo
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- CN201904643U CN201904643U CN2010202905439U CN201020290543U CN201904643U CN 201904643 U CN201904643 U CN 201904643U CN 2010202905439 U CN2010202905439 U CN 2010202905439U CN 201020290543 U CN201020290543 U CN 201020290543U CN 201904643 U CN201904643 U CN 201904643U
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- fuel cell
- power supply
- electric equipment
- emergency power
- power system
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Abstract
The utility model relates to a household/industrial emergency power supply system based on a fuel cell. The system comprises the fuel cell, a storage cell and a controller. When the normal power supply is carried out, a power grid supplies power to the related electric equipment. When the power grid fails, the power grid is immediately switched to the emergency power supply system for power supply, and the switching time meets the electric equipment to ceaselessly supply power within switching time. In the switching process, the controller switches the control to the power supply of the electric equipment. The electric equipment is supplied power by the storage cell, and after the fuel cell starts, the electric equipment is supplied power by the fuel cell. The fuel cell and the storage cell are connected with a DC/AC converter, and changed into alternating current through the DC/AC converter to supply the power to the electric equipment. The emergency power supply system leads the electric equipment to normally work when the power grid is powered off. The switching time of the emergency supply system is ranged between a traditional emergency power supply (EPS) and an uninterrupted power supply (UPS).
Description
Technical field
The utility model belongs to energy field, relate to a kind of family expenses/industrial emergency power system, especially utilize the combination of fuel cell and storage battery, when grid cut-off, provide the emergency power system of electric power incessantly, for a long time for a very big electric appliances equipment.
Background technology
Along with The development in society and economy, growth in the living standard, more and more advanced electric equipments are used for daily life and production, can carry out work incessantly by people's wish for guaranteeing electric equipment, guarantee normal life and commercial power, be necessary to introduce emergency power system.Traditional emergency power system is many by storage battery power supply, has shortcomings such as power-on time is short, switching time is long, reliability is low; By comparison, these family expenses/industrial emergency power system is short switching time, and can infinitely prolong power-on time by changing the hydrogen bottle.Under the abominable day by day background of energy crisis aggravation, biological environment, has more vast potential for future development based on the electric energy electric supply installation of fuel cell.
The utility model content
The utility model provides a kind of family expenses/industrial emergency power system, and it adopts the combination of fuel cell and storage battery, breaks down when outage at electrical network, uninterruptedly, provide electric power for family expenses/commercial power for a long time.
For reaching above purpose, solution of the present utility model is:
A kind of family expenses/industrial emergency power system, it comprises fuel cell, storage battery, controller, during electric network fault, by storage battery electric equipment is powered earlier, switch to fuel cell after fuel cell start-up is finished electric equipment is powered, controller is selected the power supply source of electric equipment and is carried out switching controls.
Switching time between power supply of described net electricity and the emergency power system power supply is extremely short, less than 15ms, can guarantee that a very big electric appliances equipment does not cut off the power supply in switching time.
Described fuel cell is connected with the DC/AC transducer with storage battery, is converted to alternating current via the DC/AC transducer electric equipment is powered.
Be provided with a DC/DC transducer between described fuel cell and the DC/DC transducer.
Described controller is provided with the 2nd DC/DC transducer by storage battery power supply between controller and the storage battery.
Be provided with the 3rd switching device shifter between described fuel cell and the storage battery, the 3rd switching device shifter is controlled by controller.
Respectively by first switching device shifter, the second switching device shifter switching controls, first switching device shifter, second switching device shifter are controlled by controller to the electric equipment power supply for described family expenses/industrial emergency power system and net electricity.
But the utility model can infinitely prolong the power-on time of emergency power system by changing the hydrogen bottle.
Temporarily electric equipment is powered earlier during outage by storage battery, fuel cell start-up finish and output voltage stabilization after, switching to fuel cell is the electric equipment power supply.
The direct current of storage battery or fuel cell output is the electric equipment power supply after DC/AC is converted to alternating current.
Behind the grid cut-off, cut the pattern of emergency power system supply electric power automatically, need not manual operation.
Owing to adopted above technical scheme, the utlity model has following beneficial effect: the utility model adopts fuel cell as main electric power supply source, can the power-on time of family expenses/industrial emergency power system infinitely be prolonged by changing the hydrogen bottle, solve the problem of conventional domestic/industrial emergency power system power-on time; Adopt suitable auxiliary relay simultaneously, make the switching time of netting between electricity power supply and emergency power system power supply, solved traditional emergency power system long problem switching time less than 15ms, thus the operate as normal of guarantee electric equipment.Because fuel cell has pollution-free, specific energy advantages of higher, the utility model environmental sound and take up room less.Simultaneously, the utility model structurally adopts integrated one design, and compact conformation is convenient to be placed in indoor use.
Description of drawings
Fig. 1 is the system configuration schematic diagram of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing illustrated embodiment the utility model is further described.
As shown in Figure 1, family expenses of the present utility model/industrial emergency power system, it comprises fuel cell 1, a DC/DC transducer 2, DC/AC transducer 3, first switching device shifter 4, controller 5, the 2nd DC/DC transducer 6, storage battery 7, net electricity 8, second switching device shifter 9, the 3rd switching device shifter 10 and electric equipment 11, when the electrical network operate as normal, electric equipment 11 is connected by second switching device shifter 9 by net electricity 8 and is powered, and net electricity 8 is used for accumulators 7 chargings simultaneously; When electrical network breaks down outage, controller 5 detects this information, control first switching device shifter 4 and open, starting family expenses/industrial emergency power system based on fuel cell immediately is electric equipment 11 power supplies, and second switching device shifter 9 disconnects net electricity 8 and is connected with 11 of electric equipments simultaneously.In emergency power system inside, because fuel cell is longer 1 start-up time, do not interrupt, earlier temporarily by storage battery 7 power supplies in order to guarantee electric power supply.Be provided with the 3rd switching device shifter 10 between fuel cell 1 and the storage battery 7, when fuel cell 1 start finish and output voltage stabilization after, switch to fuel cell 1 by the 3rd switching device shifter 10 and be electric equipment 11 power supplies.Storage battery 7 and fuel cell 1 equal output DC, DC/AC transducer 3 is converted into alternating current, to satisfy electric equipment 11 needs.The output voltage fluctuation range of fuel cell 1 is bigger, before handles through a DC/DC transducer 2 at input DC/AC transducer 3, to guarantee DC/AC transducer 3 operate as normal.When network operation recovers just often, system automatically switches to the mode of operation of net electricity power supply, and closes fuel cell 1.At this moment, power to electric equipment 11 by net electricity 8, and storage battery 7 is charged.Its middle controller 5 is by storage battery 7 power supplies, and storage battery 7 also needs to handle through the 2nd DC/DC transducer 6 earlier to give controller 5 chargings again.
The conversion of circuit realizes by switching device shifter automatically by controller 5 in this process, need not manual operation.
Fuel cell 1 can be exported the alternating voltage of 19-72V according to load request, is the major impetus source of these family expenses/industrial emergency power system; Because the fluctuation of fuel cell 1 output voltage range is big, adopt a DC/DC transducer 2 that the direct voltage of fuel cell 1 fluctuation is converted to the galvanic current pressure, its input voltage is 19-72V, output voltage is 48V, the 2nd DC/DC transducer 6 is used for direct voltage with storage battery 7 output and is converted to the required direct voltage of controller 5, its input voltage is 48V, output voltage is 12V, DC/AC transducer 3 is converted to the required alternating voltage of electric equipment 11 work with direct voltage, its input voltage is 48V, and output voltage is 220V.Controller 5 adopts DSP, is used for controlling all switching device shifters and fuel cell, and switching device shifter is selected the may command relay for use.Switching device shifter is equivalent to switch, controls being connected or disconnection between each power supply unit (comprising electrical network, fuel cell, storage battery) and the electric equipment respectively.
The above-mentioned description to embodiment is can understand and use the utility model for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the utility model is not limited to the embodiment here, and those skilled in the art should be within protection range of the present utility model for improvement and modification that the utility model is made according to announcement of the present utility model.
Claims (7)
1. the family expenses based on fuel cell/industrial emergency power system, it is characterized in that: it comprises fuel cell, storage battery and controller, during electric network fault, by storage battery electric equipment is powered earlier, switch to fuel cell after fuel cell start-up is finished electric equipment is powered, controller is selected the power supply source of electric equipment and is carried out switching controls.
2. the family expenses based on fuel cell as claimed in claim 1/industrial emergency power system is characterized in that: during electric network fault, the switching time between power supply of described net electricity and the emergency power system power supply is extremely short, less than 15ms.
3. the family expenses based on fuel cell as claimed in claim 1/industrial emergency power system is characterized in that: described fuel cell is connected with the DC/AC transducer with storage battery, is converted to alternating current via the DC/AC transducer, and electric equipment is powered.
4. the family expenses based on fuel cell as claimed in claim 3/industrial emergency power system is characterized in that: be provided with a DC/DC transducer between described fuel cell and the DC/DC transducer.
5. the family expenses based on fuel cell as claimed in claim 1/industrial emergency power system is characterized in that: described controller is provided with the 2nd DC/DC transducer by storage battery power supply between controller and the storage battery.
6. the family expenses based on fuel cell as claimed in claim 1/industrial emergency power system is characterized in that: be provided with the 3rd switching device shifter between described fuel cell and the storage battery, the 3rd switching device shifter is controlled by controller.
7. as each described family expenses of claim 1-6/industrial emergency power system based on fuel cell, it is characterized in that: respectively by first switching device shifter, the second switching device shifter switching controls, first switching device shifter, second switching device shifter are controlled by controller to the electric equipment power supply for described family expenses/industrial emergency power system and net electricity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202905439U CN201904643U (en) | 2010-08-13 | 2010-08-13 | Household/industrial emergency power supply system based on fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202905439U CN201904643U (en) | 2010-08-13 | 2010-08-13 | Household/industrial emergency power supply system based on fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201904643U true CN201904643U (en) | 2011-07-20 |
Family
ID=44275236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202905439U Expired - Fee Related CN201904643U (en) | 2010-08-13 | 2010-08-13 | Household/industrial emergency power supply system based on fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201904643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856975A (en) * | 2012-09-11 | 2013-01-02 | 广州供电局有限公司 | Automatic standby power source switching system |
| CN112715198A (en) * | 2020-12-28 | 2021-04-30 | 安徽世林照明股份有限公司 | Indoor plant growth lighting control system |
-
2010
- 2010-08-13 CN CN2010202905439U patent/CN201904643U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102856975A (en) * | 2012-09-11 | 2013-01-02 | 广州供电局有限公司 | Automatic standby power source switching system |
| CN112715198A (en) * | 2020-12-28 | 2021-04-30 | 安徽世林照明股份有限公司 | Indoor plant growth lighting control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110720 Termination date: 20140813 |
|
| EXPY | Termination of patent right or utility model |