CN205836566U - A kind of fuel cell hybrid power-supply system of booster converter without DC - Google Patents
A kind of fuel cell hybrid power-supply system of booster converter without DC Download PDFInfo
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- CN205836566U CN205836566U CN201620697273.0U CN201620697273U CN205836566U CN 205836566 U CN205836566 U CN 205836566U CN 201620697273 U CN201620697273 U CN 201620697273U CN 205836566 U CN205836566 U CN 205836566U
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- energy storage
- storage bag
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- fuel battery
- battery engines
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
This utility model relates to the fuel cell hybrid power-supply system of a kind of booster converter without DC, including fuel battery engines, switching switch combination and the energy storage bag being composed in series by some sub-energy storage bags；The input of described switching switch combination is connected to the outfan of fuel battery engines, some outfans of described switch combination are connected respectively to the two ends of every sub-energy storage bag, it is allowed to the two ends that fuel battery engines output is connected to one of them sub-energy storage bag of described energy storage bag in the time period set, this sub-energy storage bag is charged；By system program control, fuel battery engines outfan is sequentially switched to every sub-energy storage bag two ends by switching switch combination, and every sub-energy storage bag is charged by time segment ground；The voltage of described sub-energy storage bag is substantially equivalent to the output voltage of described fuel battery engines, and the output voltage of described power-supply system is the voltage of energy storage bag, equal to each sub-energy storage bag voltage sum.
Description
Technical field
This utility model relates to a kind of fuel battery engines and the dynamic power system of energy storage bag composition, especially a kind of
Without DC booster converter, just the energy reversal that the fuel battery engines of low-voltage exports can be exported to high voltage
Power bus on.
Background technology
Compare with other new energy resources system, more efficient, cleaning, high-energy-density fuel cell be to apply in recent years
One of focus.The softest in order to compensate fuel battery engines output C-V characteristic, that output voltage is relatively low deficiency, fuel cell
It is used in mixed way with the energy storage bag of secondary cell composition, is the commonly used composition pattern of fuel cell power system, especially exists
Fuel cell electric vehicle field；In current existing fuel cell power system, DC booster converter is essential
Parts, be used for the output energy of the fuel battery engines of low-voltage to be transferred on high-tension power bus.
The technical problems to be solved in the utility model is to provide a kind of electricity electricity mixed power power-supply system, it is not necessary to DC
Booster converter, is lifted higher than the output voltage of fuel battery engines by the output voltage of described power-supply system, makes described
Fuel cell hybrid power-supply system meets high voltage output and the demand of the high-power output of transient state.
Summary of the invention
This utility model to provide a kind of fuel cell and the dynamic power system of energy storage bag mixing composition, and system need not be straight
Stream DC booster converter, can be transferred to high-tension power supply buses by the output energy of the fuel cell of low-voltage output
On, and meet the characteristic requirements of system momentary high power simultaneously；In order to realize this purpose, described power-supply system make use of switching
Switch combination (3) and the combination of energy storage bag (4) being composed in series by some sub-energy storage bags (2)；Described switching switch combination (3)
Positive-negative input end respectively with the connecting of the positive-negative output end of described fuel battery engines, the one of described switching switch combination (3)
Group outfan is connected respectively to the two ends of every sub-energy storage bag, gates certain pair of switches of described switch combination (3), as (31,
32) so that described fuel battery engines (1) output is connected, to this with a certain sub-energy storage bag (2) of described energy storage bag (4)
Low pressure energy storage bag is charged；Under program, described switching switch combination (3) switches successively so that fuel cell powered
One sub-energy storage bag of described energy storage bag (4) is charged by machine (1) in turn；The output voltage of described power-supply system is described energy storage bag
(4) output voltage, its value is equal to the voltage sum of the described sub-energy storage bag being respectively connected in series.
This utility model to provide a kind of fuel cell and the dynamic power system of energy storage bag mixing composition, is stored up by antithetical phrase
The design of (2) can be wrapped so that it is nominal voltage matches with the output voltage of fuel battery engines (1), in described switch combination
(3) certain pair of switches in, after connecting such as (31,32), described fuel battery engines (1) can be to this sub-energy storage bag, such as (2),
Being charged, charge capacity is equal to this electric current integrated value in this charging interval section.
This utility model to provide a kind of fuel cell and the dynamic power system of energy storage bag mixing composition, in this system
Described sub-energy storage bag can use the combination of different types of energy-storage travelling wave tube to realize, such as bank of super capacitors, lithium ion battery
Group, Ni-MH battery group etc.；For special demand, the most how it is compound energy storage device, such as ultracapacitor and lithium ion
Cell parallel is used in series.
Accompanying drawing explanation
Fig. 1 is this utility model structure principle chart.
Fig. 2 is implementing circuit schematic diagram of the present utility model.
Detailed description of the invention
2 give an electricity electricity AC-battery power source being made up of the fuel cell of three grades of boostings, lithium ion below in conjunction with the accompanying drawings
The embodiment of system.The fuel battery engines of a 48V/5kW, best operating point is 48V/60A, and sub-energy storage bag is by 15
The ferric phosphate lithium cell of 50Ah is composed in series, nominal voltage 48V；3 sub-energy storage bag (B1, B2, B3) tandem compounds become voltage
The energy storage bag of 144V, capacity 50Ah；Switch combination is by 6 high-power NMOS(M1 to M6) form, control program is: in per a period of time
Between only NMOS tube (M1, M2) in segmentation, (M3, M4) or (M5, M6) one pair of which turns on, and fuel battery engines (1) exists
On above-mentioned time slice, antithetical phrase energy storage bag one of B1, B2 or B3, to charge with 1.2C multiplying power, charging holding is spaced apart 5 minutes；
The output voltage of the hybrid power source system of the most described fuel cell/LiFePO4 composition is 144V；If with this LiFePO4
The short time discharge capability of the 5C of lithium ion battery calculates, and output of the maximum short time electric current of this system is up to 250A, voltage
144V, peak power is 36kW.
Claims (2)
1. the fuel cell hybrid power-supply system without DC booster converter, it is characterised in that this system bag
Include fuel battery engines (1), switching switch combination (3) and the energy storage bag (4) being composed in series by some sub-energy storage bags (2), institute
The positive-negative input end positive-negative output end with described fuel battery engines (1) respectively stating switching switch combination (3) connects, described
One group of outfan of switching switch combination (3) is connected respectively to the two ends of every sub-energy storage bag；Gate described switch combination (3)
Certain pair of switches, such as (31,32) so that fuel battery engines (1) is connected to a certain sub-energy storage bag of described energy storage bag (4)
(2) two ends, are charged this sub-energy storage bag；Under the programme-control of default, described switching switch combination (3) successively will
The output switching of described fuel battery engines (1) is to selected sub-energy storage bag two ends so that described fuel battery engines (1)
In turn every sub-energy storage bag of described energy storage bag (4) can be charged；The terminal voltage of described sub-energy storage bag is approximately equal to fuel
The output voltage of battery engine, the output voltage of described power-supply system is the voltage of energy storage bag (4), equal to be respectively connected in series
The voltage sum of sub-energy storage bag.
The fuel cell hybrid power-supply system of a kind of booster converter without DC the most according to claim 1,
It is characterized in that its described sub-energy storage bag (2) is a kind of rechargeable electricity energy-storage travelling wave tube, it is possible to store and discharge described
The electric energy that fuel battery engines (1) is filled with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697273.0U CN205836566U (en) | 2016-07-05 | 2016-07-05 | A kind of fuel cell hybrid power-supply system of booster converter without DC |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620697273.0U CN205836566U (en) | 2016-07-05 | 2016-07-05 | A kind of fuel cell hybrid power-supply system of booster converter without DC |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205836566U true CN205836566U (en) | 2016-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620697273.0U Active CN205836566U (en) | 2016-07-05 | 2016-07-05 | A kind of fuel cell hybrid power-supply system of booster converter without DC |
Country Status (1)
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| CN (1) | CN205836566U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107161025A (en) * | 2017-06-09 | 2017-09-15 | 吴晓梅 | The charging method and system of a kind of vehicle mounted dynamic battery |
| CN107627866A (en) * | 2016-07-18 | 2018-01-26 | 杭州波谱莱新能源科技有限公司 | Fuel cell electricity electricity mixed power power-supply system without DC booster converter |
-
2016
- 2016-07-05 CN CN201620697273.0U patent/CN205836566U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107627866A (en) * | 2016-07-18 | 2018-01-26 | 杭州波谱莱新能源科技有限公司 | Fuel cell electricity electricity mixed power power-supply system without DC booster converter |
| CN107161025A (en) * | 2017-06-09 | 2017-09-15 | 吴晓梅 | The charging method and system of a kind of vehicle mounted dynamic battery |
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