CN104836296A - Sectioned in-turn charging fuel cell and battery hybrid power supply device - Google Patents
Sectioned in-turn charging fuel cell and battery hybrid power supply device Download PDFInfo
- Publication number
- CN104836296A CN104836296A CN201510238903.8A CN201510238903A CN104836296A CN 104836296 A CN104836296 A CN 104836296A CN 201510238903 A CN201510238903 A CN 201510238903A CN 104836296 A CN104836296 A CN 104836296A
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- CN
- China
- Prior art keywords
- fuel cell
- storage battery
- power supply
- hybrid power
- supply device
- 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
- 239000000446 fuel Substances 0.000 title claims abstract description 34
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Landscapes
- Fuel Cell (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a sectioned in-turn charging fuel cell and battery hybrid power supply device comprising a fuel cell (1), switches (2), a battery (3), and a BMS (4). The battery (3) is divided into multiple sections which are connected in series. The output voltage of the fuel cell (1) is equivalent to the charging voltage of a single section of the battery. The fuel cell (1) can be connected with and charge any section of the battery via the switches (2). The problem that DC/DC is needed and voltage adjustment is complex and high in cost in the prior art is solved. The device of the invention is mainly applied to the field of fuel cell and battery hybrid power supply devices, especially the field of electric vehicles.
Description
Technical field
The present invention relates to fuel cell storage battery hybrid power supply device field, particularly relate to a kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge.
Background technology
Current fuel cell storage battery hybrid power supply device, main power source is in series by multiple storage battery, for pure electric bus, battery system total voltage is 576V, be in series by 180 string storage batterys, and fuel cell is due to technologic reason, output voltage is often no more than 200V, in order to charge in batteries voltage matches, have to pass through DC/DC boosting, DC/DC cost is higher, and storage battery series voltage is higher, during use, voltage fluctuation is larger, requires also higher to DC/DC pressure regulation.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, providing a kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge, this device passes through step charge, without the need to using DC/DC.
The present invention is the technical scheme that its technical problem of solution is taked: a kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge, comprise fuel cell, switch, storage battery, BMS, described storage battery is divided into multi-stage series, described fuel cell output voltage is equivalent to the charging voltage of single hop storage battery, described fuel cell can be connected with arbitrary section of storage battery by described switch and charge, and described BMS is connected with each section of storage battery and monitors each section of storage battery SOC.
Further, described switch is metal-oxide-semiconductor.
Further, described storage battery is lithium battery.
The operation principle of the technical program is, described storage battery is divided into multistage, described fuel cell output voltage is the charging voltage of single hop storage battery, during work, BMS detects each section of storage battery SOC, described fuel cell is by described switch connection each section of storage battery, and described fuel cell is by each section of storage battery SOC cycle charging in turn from small to large.
The invention has the beneficial effects as follows: by storage battery segmentation, fuel cell just can give each section of charge in batteries without the need to DC/DC, reduces cost.
Accompanying drawing explanation
Fig. 1 is structure principle chart of the present invention.
The implication marked in figure: 1. fuel cell, 2. switch, 3. storage battery, 4.BMS.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In embodiment illustrated in fig. 1, comprise fuel cell 1, switch 2, storage battery 3, BMS 4, storage battery 3 is divided into two sections of series connection, every section is made up of many strings again, fuel cell 1 output voltage is equivalent to the charging voltage of single hop storage battery, fuel cell 1 can be connected with arbitrary section of storage battery by switch 2 and charge, and BMS 4 is connected with each section of storage battery and monitors each section of storage battery SOC.
In example of the present invention, switch 2 is metal-oxide-semiconductor.
In the embodiment of the present invention, storage battery 3 is lithium battery.
The operation principle of the embodiment of the present invention is, storage battery 3 is divided into two sections, fuel cell 1 output voltage is the charging voltage of single hop storage battery, during work, BMS 4 detects each section of storage battery SOC, fuel cell 1 connects each section of storage battery by switch 2, and fuel cell 1 is by each section of storage battery SOC cycle charging in turn from small to large.
The invention has the beneficial effects as follows: by storage battery segmentation, fuel cell just can give each section of charge in batteries without the need to DC/DC, reduces cost.
The above is only the description of the preferred embodiment of the present invention; should be understood that the finiteness due to literal expression; and objectively there is unlimited concrete structure; for this area those skilled in the art; under the premise without departing from the principles of the invention; can also make some improvement, these improvement also should be considered as the scope of protection of the invention.
Claims (3)
1. the fuel cell storage battery hybrid power supply device of a segmented wheel current charge, it is characterized in that: comprise fuel cell, switch, storage battery, BMS, described storage battery is divided into multi-stage series, described fuel cell output voltage is equivalent to the charging voltage of single hop storage battery, described fuel cell can be connected with arbitrary section of storage battery by described switch and charge, and described BMS is connected with each section of storage battery and monitors each section of storage battery SOC.
2. the fuel cell storage battery hybrid power supply device of a kind of segmented wheel current charge according to claim 1, is characterized in that: described switch is metal-oxide-semiconductor.
3. the fuel cell storage battery hybrid power supply device of a kind of segmented wheel current charge according to claim 1, is characterized in that: described storage battery is lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510238903.8A CN104836296A (en) | 2015-05-12 | 2015-05-12 | Sectioned in-turn charging fuel cell and battery hybrid power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510238903.8A CN104836296A (en) | 2015-05-12 | 2015-05-12 | Sectioned in-turn charging fuel cell and battery hybrid power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104836296A true CN104836296A (en) | 2015-08-12 |
Family
ID=53813990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510238903.8A Pending CN104836296A (en) | 2015-05-12 | 2015-05-12 | Sectioned in-turn charging fuel cell and battery hybrid power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104836296A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042953A (en) * | 2016-05-26 | 2016-10-26 | 博源燃料电池(上海)有限公司 | Energy bag based on fuel batteries and lithium batteries |
-
2015
- 2015-05-12 CN CN201510238903.8A patent/CN104836296A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042953A (en) * | 2016-05-26 | 2016-10-26 | 博源燃料电池(上海)有限公司 | Energy bag based on fuel batteries and lithium batteries |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160706 Address after: 518103 Guangdong city of Shenzhen province Baoan District Fuyong Funing street high tech Park Building 8 Building A room Applicant after: SHENZHEN YITENGDI NEW ENERGY CO., LTD. Address before: 518103 Guangdong city of Shenzhen province Baoan District Fuyong Funing street high tech Park Building 8 Building A room Applicant before: Shenzhen Yi Teng obtains new forms of energy Co., Ltd |
|
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150812 |
|
| WD01 | Invention patent application deemed withdrawn after publication |