CN216915536U - High-voltage power distribution system of hydrogen fuel cell - Google Patents
High-voltage power distribution system of hydrogen fuel cell Download PDFInfo
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- CN216915536U CN216915536U CN202220904501.2U CN202220904501U CN216915536U CN 216915536 U CN216915536 U CN 216915536U CN 202220904501 U CN202220904501 U CN 202220904501U CN 216915536 U CN216915536 U CN 216915536U
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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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
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Abstract
The utility model discloses a high-voltage power distribution system of a hydrogen fuel cell, which comprises three pre-charging loops, a boosting DCDC, a pile module, high-voltage electric equipment and a voltage-reducing DC; the three pre-charging circuits comprise a first pre-charging circuit, a second pre-charging circuit and a third pre-charging circuit; the input ends of the first pre-charging loop, the second pre-charging loop and the third pre-charging loop are all connected with external power supply equipment of a fuel cell high-voltage distribution system; the output of the first pre-charging loop is connected with a boosting DC; the output of the second pre-charging loop is connected with high-voltage electric equipment; the output of the third pre-charging loop is connected with a step-down DC; the boost DC output end is connected with the pile module. The high-voltage electric equipment comprises a water pump, an air compressor and a hydrogen pump; the three pre-charging circuits are the same. According to the high-voltage power distribution system of the hydrogen fuel cell, the design idea of pre-charging loop redundancy is adopted, the system which is powered by one pre-charging loop is changed into the system which is powered by three pre-charging loops, and the improvement of the reliability of the system is realized.
Description
Technical Field
The utility model belongs to the technical field of fuel cells, and particularly relates to a high-voltage power distribution system of a hydrogen fuel cell.
Background
At present, with the wide application of electric vehicles, various battery technologies are widely developed, and the battery technologies are innovated, the fuel cell can be widely applied because the fuel cell can directly convert chemical energy into electric energy, but with the accumulation of the service time of the fuel cell, the problem that a pre-charging loop of a high-voltage power distribution system of the fuel cell lacks design redundancy is found, when the pre-charging loop fails, the whole system is paralyzed, and the reliability is poor.
SUMMERY OF THE UTILITY MODEL
The present invention provides a high voltage distribution system of hydrogen fuel cell, which is aimed at overcoming the defects of the prior art.
In order to achieve the technical purpose, the technical scheme adopted by the utility model is as follows:
a hydrogen fuel cell high-voltage power distribution system comprises a three-way pre-charging loop, a boosting DCDC, a pile module, high-voltage electric equipment and a voltage-reducing DC;
the three pre-charging loops comprise a first pre-charging loop, a second pre-charging loop and a third pre-charging loop; the input ends of the first pre-charging loop, the second pre-charging loop and the third pre-charging loop are all connected with external power supply equipment of a fuel cell high-voltage distribution system;
the output of the first pre-charging loop is connected with a boosting DC;
the output of the second pre-charging loop is connected with high-voltage electric equipment;
and the output of the third pre-charging loop is connected with the step-down DC.
Preferably, the boost DC output is connected to the stack module.
Preferably, the high-voltage electric equipment comprises a water pump, an air compressor and a hydrogen pump.
Preferably, the three pre-charge circuits are identical.
The utility model has the following beneficial effects:
after the high-voltage power distribution system of the hydrogen fuel cell is adopted, the original system powered by one pre-charging loop is changed into a system powered by three pre-charging loops by adopting the design idea of pre-charging loop redundancy, so that the reliability of the system is improved.
Drawings
Fig. 1 is a schematic diagram of the composition of a high-voltage distribution system of a hydrogen fuel cell according to the present invention.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Referring to fig. 1, a hydrogen fuel cell high voltage power distribution system includes a three-way pre-charge circuit, a boost DCDC, a stack module, a high voltage consumer, and a buck DC;
the three pre-charging loops comprise a first pre-charging loop, a second pre-charging loop and a third pre-charging loop; the input ends of the first pre-charging loop, the second pre-charging loop and the third pre-charging loop are all connected with external power supply equipment of a fuel cell high-voltage distribution system;
the output of the first pre-charging loop is connected with a boosting DC;
the output of the second pre-charging loop is connected with high-voltage electric equipment;
and the output of the third pre-charging loop is connected with the step-down DC.
In specific implementation, the boost DC output end is connected with the pile module.
When the device is specifically implemented, the high-voltage electric equipment comprises a water pump, an air compressor and a hydrogen pump.
In specific implementation, the three pre-charging circuits are the same.
The utility model has the following beneficial effects:
after the high-voltage distribution system of the hydrogen fuel cell is adopted, the system which is originally supplied with power by one pre-charging loop is changed into a system which is supplied with power by three pre-charging loops by adopting the design idea of pre-charging loop redundancy, so that the reliability of the system is improved.
Although the utility model has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements may be made based on the utility model. Accordingly, it is intended that all such modifications and alterations be included within the scope of this invention as defined in the appended claims.
Claims (4)
1. A hydrogen fuel cell high voltage power distribution system, characterized by: the system comprises three pre-charging loops, a boost DC, a pile module, high-voltage electric equipment and a buck DC;
the three pre-charging loops comprise a first pre-charging loop, a second pre-charging loop and a third pre-charging loop; the input ends of the first pre-charging loop, the second pre-charging loop and the third pre-charging loop are all connected with external power supply equipment of a fuel cell high-voltage distribution system;
the output of the first pre-charging loop is connected with a boosting DC;
the output of the second pre-charging loop is connected with high-voltage electric equipment;
and the output of the third pre-charging loop is connected with the step-down DC.
2. A hydrogen fuel cell high voltage power distribution system according to claim 1, wherein: and the boost DC output end is connected with the pile module.
3. A hydrogen fuel cell high voltage power distribution system according to claim 1, wherein: the high-voltage electric equipment comprises a water pump, an air compressor and a hydrogen pump.
4. A hydrogen fuel cell high voltage power distribution system according to claim 1, wherein: the three pre-charging circuits are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220904501.2U CN216915536U (en) | 2022-04-19 | 2022-04-19 | High-voltage power distribution system of hydrogen fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220904501.2U CN216915536U (en) | 2022-04-19 | 2022-04-19 | High-voltage power distribution system of hydrogen fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216915536U true CN216915536U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220904501.2U Active CN216915536U (en) | 2022-04-19 | 2022-04-19 | High-voltage power distribution system of hydrogen fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216915536U (en) |
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2022
- 2022-04-19 CN CN202220904501.2U patent/CN216915536U/en active Active
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