CN114976302A - Framework system of high-density and high-power double-core battery pack - Google Patents
Framework system of high-density and high-power double-core battery pack Download PDFInfo
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- CN114976302A CN114976302A CN202111256810.XA CN202111256810A CN114976302A CN 114976302 A CN114976302 A CN 114976302A CN 202111256810 A CN202111256810 A CN 202111256810A CN 114976302 A CN114976302 A CN 114976302A
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- Prior art keywords
- battery pack
- battery
- voltage motor
- power
- groups
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- 230000005611 electricity Effects 0.000 claims description 8
- HEZMWWAKWCSUCB-PHDIDXHHSA-N (3R,4R)-3,4-dihydroxycyclohexa-1,5-diene-1-carboxylic acid Chemical compound O[C@@H]1C=CC(C(O)=O)=C[C@H]1O HEZMWWAKWCSUCB-PHDIDXHHSA-N 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000010187 selection method Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4207—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/30—Constructional details of charging stations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
-
- 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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a high-density and high-power double-core battery pack frame system which comprises a battery pack, an emergency access switch, a high-voltage motor set and a battery charging station, wherein the battery pack is electrically connected with the high-voltage motor set, the battery charging station is electrically connected with the battery pack and charges the battery pack, and the emergency access switch is connected with the battery pack and the high-voltage motor set.
Description
Technical Field
The invention belongs to the technical field of batteries, and particularly relates to a framework system of a high-density and high-power double-core battery pack.
Background
Since the 20 th century, the electric vehicle technology using lithium batteries as energy has gradually developed into one of the powerful competitors of the traditional fuel vehicles along with the continuous breakthrough of the lithium battery technology. High-voltage electrical architectures with high-voltage battery packs as subsystems are also continuously evolving and improving to meet more energy distribution and management requirements, and then, along with the realization of the concept of small electric aircrafts step by step, how to design safer and reliable electrical architectures to meet more demanding requirements becomes a new challenge for related researchers.
Aiming at the requirement of automobile power, the application of a power battery on an electric automobile generally uses a single battery core, and a single battery pack provides the requirement of high-voltage electric energy of the whole automobile, so that the battery core type selection method is directly considered during design, and the condition that the energy supply is lost after a single battery pack system fails is not considered. And the development of the electric airplane market enables a power supply system with higher redundancy and high reliability to become a very core and scarce technology, and the safety of key subsystems of the electric airplane can be improved substantially.
Disclosure of Invention
In order to solve the above problems, the present invention provides a frame system of a high-density and high-power dual cell battery pack.
In order to realize the functions, the technical scheme adopted by the invention is as follows: the utility model provides a framework system of high density and two core battery package of high power, includes battery package, emergency access switch, high-voltage motor group and battery charging station, the battery package links to each other with the high-voltage motor group electricity, the battery charging station links to each other with the battery package electricity, and the battery charging station charges for the battery package, emergency access switch connects battery package and high-voltage motor group setting.
Furthermore, the battery pack is provided with three groups, the three groups are respectively a battery pack A, a battery pack B and a battery pack C, the high-voltage motor group is provided with three groups, the three groups are respectively a first group of high-voltage motor, a second group of high-voltage motor and a third group of high-voltage motor, the battery pack A is electrically connected with the first group of high-voltage motor, the battery pack B is electrically connected with the second group of high-voltage motor, the battery pack C is electrically connected with the third group of high-voltage motor, and the emergency access switch is connected with the three groups of battery packs and the three groups of high-voltage motor groups; in the normal flight process of the airplane, the high-voltage motor and the corresponding battery pack respectively and independently supply power, wherein the battery pack B is a high-power battery pack, and the battery pack A and the battery pack C are high-energy battery packs; the power distribution of the battery pack, the rated output power of the battery pack A and the rated output power of the battery pack C are 1/3 of the flight peak demand power, the short-time overload capacity is about 50%, the rated output power of the battery pack B is 1/2 of the flight peak demand power, the proportion can ensure the beneficial effects, the weight distribution is reasonable, and the overweight probability of the system is reduced. When a certain battery pack is invalid, the emergency access switch needs to bear the peak voltage brought to the switching device by the voltage platform of other battery packs, can be successfully closed under the current load, cannot be mistakenly disconnected, ensures the operation of the aircraft power system unit for a certain time, and avoids the dangerous event directly caused by power loss.
Further, the battery pack B is a high-power battery pack, the battery pack A and the battery pack C are high-energy battery packs, and the battery pack B is connected with a high-voltage-to-low-voltage DCDC converter.
The invention adopts the structure to obtain the following beneficial effects: the framework system of the high-density and high-power double-core battery pack provided by the invention is simple to operate and reasonable in design, and in the normal flight process of an airplane, the high-voltage motor and the corresponding battery pack respectively and independently supply power, wherein the battery pack B is a high-power battery pack, and the battery pack A and the battery pack C are high-energy battery packs; the power distribution of the battery pack, the rated output power of the battery pack A and the rated output power of the battery pack C are 1/3 of the flight peak demand power, the short-time overload capacity is about 50%, the rated output power of the battery pack B is 1/2 of the flight peak demand power, the proportion can ensure the beneficial effects, the weight distribution is reasonable, and the overweight probability of the system is reduced. When a certain battery pack fails, the emergency access switch needs to bear the peak voltage brought to a switching device by the voltage platform of other battery packs, can be successfully closed under the current load, and cannot be mistakenly disconnected, so that the operation of the aircraft power system unit for a certain time is guaranteed, the dangerous event directly caused by power loss is avoided, and theoretically, under the condition that the single battery pack fails, the rest battery packs can participate in the collaborative energy management to provide the power requirement for the emergency safe landing of the aircraft. Meanwhile, the battery pack also avoids the situation that the driving mileage is excessively reduced by only using a power type battery to meet the requirement of high power.
Drawings
Fig. 1 is a structural view of a frame system of a high-density and high-power dual cell pack according to the present invention.
The high-voltage direct current (DCDC) converter comprises a battery pack 1, a battery pack 2, an emergency access switch 3, a high-voltage motor set 4, a battery charging station 5, battery packs A and 6, battery packs B and 7, battery packs C and 8, a first high-voltage motor set, a second high-voltage motor set 9, a third high-voltage motor set 10 and a DCDC converter for converting high voltage into low voltage.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the high-density and high-power dual-core battery pack frame system of the invention comprises a battery pack 1, an emergency access switch 2, a high-voltage motor set 3 and a battery charging station 4, wherein the battery pack 1 is electrically connected with the high-voltage motor set 3, the battery charging station 4 is electrically connected with the battery pack 1, the battery charging station 4 charges the battery pack 1, and the emergency access switch 2 is connected with the battery pack 1 and the high-voltage motor set 3.
Battery package 1 is equipped with three groups, and three groups are battery package A5, battery package B6 and battery package C7 respectively, high voltage motor group 3 is equipped with three groups, and three groups are the first group 8 of high voltage motor, high voltage motor second group 9 and high voltage motor third group 10 respectively, battery package A5 links to each other with the first group 8 electricity of high voltage motor, battery package B6 links to each other with high voltage motor second group 9 electricity, battery package C7 links to each other with high voltage motor third group 10 electricity, urgent access switch 2 connects three groups of battery package 1 and three groups of high voltage motor group 3 settings.
The battery pack B6 is a high-power battery pack, the battery pack A5 and the battery pack C7 are high-energy battery packs, and the battery pack B6 is connected with a high-voltage-to-low-voltage DCDC converter 11.
When the high-power battery pack is used specifically, in the normal flight process of an airplane, the high-voltage motor and the corresponding battery pack 1 supply power respectively and independently, wherein the battery pack B6 is a high-power battery pack, and the battery pack A5 and the battery pack C7 are high-energy battery packs; the power distribution of the battery pack 1, the rated output power of the battery pack A5 and the rated output power of the battery pack C7 are about 1/3 of the flight peak demand power, the short-time overload capacity is about 50%, the rated output power of the battery pack B6 is about 1/2 of the flight peak demand power, the proportion can guarantee the beneficial effects, the weight distribution is reasonable, and the overweight probability of the system is reduced. When a certain battery pack 1 is invalid, the emergency access switch 2 needs to bear the peak voltage brought to the switching device by the voltage platform of other battery packs 1, can be successfully closed under the current load, cannot be mistakenly disconnected, ensures the operation of the aircraft power system unit for a certain time, and avoids the dangerous event directly caused by power loss.
The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (3)
1. A frame system for a high density and high power dual cell battery pack, comprising: the emergency circuit breaker comprises a battery pack, an emergency circuit switch, a high-voltage motor set and a battery charging station, wherein the battery pack is electrically connected with the high-voltage motor set, the battery charging station is electrically connected with the battery pack, the battery charging station charges the battery pack, and the emergency circuit switch is connected with the battery pack and the high-voltage motor set.
2. The frame system of a high-density and high-power dual cell battery pack according to claim 1, wherein: the battery package is equipped with three groups, and three groups are battery package A, battery package B and battery package C respectively, high voltage motor group is equipped with three groups, and three groups are high voltage motor first group, high voltage motor second group and high voltage motor third group respectively, battery package A links to each other with the first electricity of high voltage motor, battery package B links to each other with the high voltage motor second electricity of organizing, battery package C links to each other with the high voltage motor third electricity of organizing, urgent access switch connects three groups of battery packages and three high voltage motor of organizing settings.
3. The high density and high power dual cell battery pack frame system of claim 2, wherein: the battery pack B is a high-power battery pack, the battery pack A and the battery pack C are high-energy battery packs, and the battery pack B is connected with a high-voltage-to-low-voltage DCDC converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256810.XA CN114976302A (en) | 2021-10-27 | 2021-10-27 | Framework system of high-density and high-power double-core battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111256810.XA CN114976302A (en) | 2021-10-27 | 2021-10-27 | Framework system of high-density and high-power double-core battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114976302A true CN114976302A (en) | 2022-08-30 |
Family
ID=82974607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111256810.XA Pending CN114976302A (en) | 2021-10-27 | 2021-10-27 | Framework system of high-density and high-power double-core battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114976302A (en) |
-
2021
- 2021-10-27 CN CN202111256810.XA patent/CN114976302A/en active Pending
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