CN204559203U - A kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge - Google Patents
A kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge Download PDFInfo
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- CN204559203U CN204559203U CN201520303244.7U CN201520303244U CN204559203U CN 204559203 U CN204559203 U CN 204559203U CN 201520303244 U CN201520303244 U CN 201520303244U CN 204559203 U CN204559203 U CN 204559203U
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- storage battery
- fuel cell
- power supply
- supply device
- hybrid power
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The utility model discloses a kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge, comprise fuel cell (1), switch (2), storage battery (3), BMS(4), storage battery (3) is divided into multi-stage series, 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, solve prior art and need DC/DC, the problem that the complicated cost of pressure regulation is high, be mainly used in fuel cell storage battery hybrid power supply device field, particularly electric automobile field.
Description
Technical field
The utility model relates to fuel cell storage battery hybrid power supply device field, particularly relates 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 purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge, and this device passes through step charge, without the need to using DC/DC.
The utility model 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 beneficial effects of the utility model are: by storage battery segmentation, and 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 utility model.
The implication marked in figure: 1. fuel cell, 2. switch, 3. storage battery, 4.BMS.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
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 the utility model example, switch 2 is metal-oxide-semiconductor.
In the utility model embodiment, storage battery 3 is lithium battery.
The operation principle of the utility model embodiment 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 beneficial effects of the utility model are: by storage battery segmentation, and fuel cell just can give each section of charge in batteries without the need to DC/DC, reduces cost.
The above is only the utility model description preferred embodiment; 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 prerequisite not departing from the utility model principle; can also make some improvement, these improve the scope that also should be considered as the utility model protection.
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 |
|---|---|---|---|
| CN201520303244.7U CN204559203U (en) | 2015-05-12 | 2015-05-12 | A kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520303244.7U CN204559203U (en) | 2015-05-12 | 2015-05-12 | A kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge |
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| Publication Number | Publication Date |
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| CN204559203U true CN204559203U (en) | 2015-08-12 |
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| CN201520303244.7U Expired - Lifetime CN204559203U (en) | 2015-05-12 | 2015-05-12 | A kind of fuel cell storage battery hybrid power supply device of segmented wheel current charge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595120A (en) * | 2021-07-30 | 2021-11-02 | 杭州蓝力电动科技有限公司 | Novel power supply control method and system |
-
2015
- 2015-05-12 CN CN201520303244.7U patent/CN204559203U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595120A (en) * | 2021-07-30 | 2021-11-02 | 杭州蓝力电动科技有限公司 | Novel power supply control method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150915 Address after: 518000 Guangdong city of Shenzhen province Baoan District Fuyong Funing street high tech Park Building 8 Building A room Patentee 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 Patentee before: SHENZHEN YITENGDE NEW ENERGY CO.,LTD. |
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| CX01 | Expiry of patent term |
Granted publication date: 20150812 |
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| CX01 | Expiry of patent term |