CN215184276U - Portable lithium ion power battery module, battery pack and electric automobile - Google Patents
Portable lithium ion power battery module, battery pack and electric automobile Download PDFInfo
- Publication number
- CN215184276U CN215184276U CN202120635429.3U CN202120635429U CN215184276U CN 215184276 U CN215184276 U CN 215184276U CN 202120635429 U CN202120635429 U CN 202120635429U CN 215184276 U CN215184276 U CN 215184276U
- Authority
- CN
- China
- Prior art keywords
- battery
- module
- lithium ion
- little
- battery module
- 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.)
- Active
Links
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Battery Mounting, Suspending (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a portable lithium ion power battery module, battery package and electric automobile, the power battery module includes shell and the little module of battery, the little module of battery is a plurality of, is provided with a plurality of lithium ion monomer electricity cores in every little module of battery, and the little module of a plurality of batteries sets up in the shell, and from the top down puts in proper order, forms the laminated structure, is provided with the baffle respectively between the top of the little module of top layer battery, the bottom of the little module of bottom battery and the adjacent little module of two-layer battery, and all little modules of battery and baffle carry out fastening connection through the spliced pole. The utility model discloses a put a plurality of battery little modules in proper order under to in the shell from the top down, form the stratiform structure, because lithium ion monomer electricity core adopts the mode of layering, convenient maintenance and change for lithium ion monomer electricity core is convenient and fast in groups, and the extensive industrial production of being convenient for, the dismouting of being convenient for is maintained, has improved the security effectively, has reduced the cost of making and using.
Description
Technical Field
The utility model relates to a portable lithium ion power battery module, battery package and electric automobile belongs to electric automobile's power battery technical field.
Background
In recent years, environmental pollution and energy depletion are receiving attention from governments and people, and with the continuous progress of new high specific energy secondary battery technology, especially lithium ion power battery technology, the development and popularization and application of electric vehicle technology represented by electric bicycles and electric automobiles are accelerating.
The battery system required by the whole electric automobile enterprise tends to be integrated, miniaturized and lightened day by day, namely, batteries are arranged in a limited space as much as possible. Compared with lead-acid and nickel-hydrogen batteries, the novel high specific energy of the lithium ion has the characteristics of high specific energy, no environmental pollution, high monomer voltage and the like, and is increasingly applied. A certain number of single power lithium ion batteries form a battery module through series-parallel connection, and the application problem of high capacity and high voltage grade in application can be solved. At present, the series-parallel connection of the batteries usually adopts a welding mode, and the connection mode causes high internal resistance and inconvenient maintenance of the lithium ion batteries, and is easy to loosen, break and unsafe in the long-term vehicle-mounted vibration process.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a first purpose is in order to overcome above-mentioned prior art's weak point, a portable lithium ion power battery module is provided, this power battery module is through putting a plurality of battery little modules in proper order under to from the top in the shell, form the cascade structure, because lithium ion monomer electricity core adopts the mode of layering, convenient maintenance and change for lithium ion monomer electricity core is convenient and fast in groups, be convenient for large-scale industrial production, the dismouting of being convenient for is maintained, the security has been improved effectively, the cost of manufacturing and using has been reduced.
A second object of the present invention is to provide a battery pack containing the above portable lithium ion power battery module.
A third object of the present invention is to provide an electric vehicle including the above battery pack.
The first purpose of the utility model can be achieved by adopting the following technical scheme:
the utility model provides a portable lithium ion power battery module, includes shell and the little module of battery, the little module of battery is a plurality of, is provided with a plurality of lithium ion monomer electricity cores in every little module of battery, and the little module of a plurality of batteries sets up in the shell, and from the top down puts in proper order, forms the cascade structure, is provided with the baffle respectively between the top of the little module of top layer battery, the bottom of the little module of bottom battery and the little module of adjacent two-layer battery, and all little modules of battery and baffle carry out fastening connection through the spliced pole.
Furthermore, each lithium ion single battery cell in each battery small module is arranged in a queue mode, and the tabs of the lithium ion single battery cells are flexibly connected.
Further, still include control assembly, control assembly sets up in the shell, and control assembly is located the little module top layer battery top, and control assembly links to each other with every little module of battery.
Furthermore, an electrical isolation layer is arranged between the control assembly and the top layer battery small module.
Further, the control assembly comprises a battery management system, a shunt, a fuse, a pre-charging component, a high-voltage contactor and a direct-current power supply;
the battery management system is connected with the safety protection circuit through an internal communication bus, connected with the equalization circuit through the internal communication bus, connected with the positive electrode and the negative electrode of each lithium ion single battery cell through signal acquisition lines, connected with the temperature sensor through the signal acquisition lines, and connected with the current sensor through the signal acquisition lines, and the safety protection circuit, the equalization circuit, the temperature sensor and the current sensor are respectively connected with each battery small module;
the shunt, the fuse, the pre-charging component and the high-voltage contactor are connected with the battery management system respectively, and the direct-current power supply is connected with the pre-charging component and the high-voltage contactor respectively.
Further, the battery management system is in data communication with an external system via a connector that extends from within the housing to outside the housing.
Furthermore, a protective pad is arranged below the bottom partition plate of the bottom layer battery small module.
Further, a handle is arranged at the top of the shell.
The second purpose of the utility model can be achieved by adopting the following technical scheme:
a battery pack comprises the portable lithium-ion power battery module.
The third purpose of the utility model can be achieved by adopting the following technical scheme:
an electric automobile comprises the battery pack.
The utility model discloses for prior art have following beneficial effect:
1. the power battery module of the utility model is provided with a plurality of small battery modules which are arranged in the shell from top to bottom in sequence to form a laminated structure, and the lithium ion single battery cell adopts a layered mode, so that the maintenance and the replacement are convenient, the grouping of the lithium ion single battery cells is convenient and quick, the large-scale industrial production and the disassembly and assembly maintenance are convenient, the safety is effectively improved, and the manufacturing and using cost is reduced; furthermore, the utility model discloses a power battery module has light in weight, specific energy, advantage that specific power is high.
2. The utility model discloses an every lithium ion monomer electricity core in every battery little module is the formation formula and puts, has realized the flexibility between the lithium ion monomer electricity core utmost point ear and has connected, can ensure the reliability that the lithium ion monomer electricity core is connected in the application such as electric automobile of power battery module.
3. The utility model discloses a power battery module has set up control assembly, has realized that the group battery fills, discharge protection, temperature control, functions such as safety control and equalizing control, when each little module of battery takes place the high temperature, overflows, cross and fill, cross when putting, control assembly can in time detect the trouble and take control measure to avoid the battery module to take place the accident and avoid the battery to take place to damage.
4. The utility model discloses a power battery module is in transportation and assembling process, and its positive negative terminal is uncharged, does not have voltage current output promptly to during battery management system dormancy, for example when vehicle key switch closes, power battery module zero-power consumption can prolong the life-span of power battery module.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic diagram of an external three-dimensional structure of a portable lithium-ion power battery module according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an external front view structure of a portable lithium-ion power battery module according to an embodiment of the present invention.
Fig. 3 is a schematic view of an internal three-dimensional structure of a portable lithium-ion power battery module according to an embodiment of the present invention.
Fig. 4 is a schematic view of an internal overlooking structure of the portable lithium-ion power battery module according to an embodiment of the present invention.
Fig. 5 is a schematic view of a three-dimensional structure of the portable lithium-ion power battery module according to an embodiment of the present invention, in which one of the angles behind the small battery module is omitted.
Fig. 6 is a schematic perspective view of another angle after the battery small module is omitted inside the portable lithium-ion power battery module according to the embodiment of the present invention.
Fig. 7 is an exploded schematic view of a small battery module and other components inside the portable lithium-ion power battery module according to an embodiment of the present invention.
The battery pack comprises a shell 1, a battery small module 2, a lithium ion single battery cell 201, a partition plate 3, a connecting column 4, a protective pad 5, a control assembly 601, a battery management system 602, a current divider 603, a fuse 604, a pre-charging component 605, a high-voltage contactor 606, a direct-current power supply 7, an electrical isolation layer 8, a connector and a sleeve 9.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are a part of the embodiments of the present invention, rather than all embodiments, based on the embodiments in the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention.
Example (b):
as shown in fig. 1 to 7, the embodiment provides a portable lithium ion power battery module, which includes a housing 1 and three small battery modules 2, the three small battery modules 2 are disposed in the housing 1, the housing 1 is made of aluminum alloy or stainless steel, and a handle (not shown in the figure) is disposed on the top of the housing 1, which can be a fixed handle or a movable handle, and can be carried by hand for carrying and transportation.
Each small battery module 2 is internally provided with 180 lithium ion single battery cells 201, each lithium ion single battery cell 201 may be a cylindrical polymer lithium ion single battery cell or a lithium ion single battery cell in other forms, and the external dimension of each small battery module may be 21700 or 18650, and other dimensions are not limited in this embodiment; each lithium ion single battery cell 201 is arranged in a queue type, and 180 lithium ion single battery cells 201 are connected in series by adopting a mode of 9 parallel connection and 20 series connection; the lugs of the lithium ion single battery cell 201 are flexibly connected, so that the connection reliability of the lithium ion single battery cell 201 in the application of the power battery module in an electric automobile and the like can be ensured.
The three small battery modules 2 are sequentially arranged from top to bottom to form a stacked structure, namely, the three small battery modules 2 are respectively a small top battery module 2, a small middle battery module 2 and a small bottom battery module 2, the top of the small top battery module 2, the bottom of the small bottom battery module 2, a partition plate 3 is respectively arranged between the small top battery module 2 and the small middle battery module 2 and between the small middle battery module 2 and the small bottom battery module 2, namely, the partition plates 3 are four in number, each partition plate 3 is a plastic partition plate, all the small battery modules 2 and the partition plates 3 are tightly connected through the connecting posts 4, the lithium ion single cell 201 is convenient to maintain and replace in a layered mode, so that the lithium ion single cell 201 is convenient and quick to group, is convenient for large-scale industrial production, is convenient to disassemble, assemble and maintain, effectively improves safety, and reduces manufacturing and using costs; further, a protective pad 5 is arranged below the bottom partition plate 3 of the bottom battery small module 2, and the protective pad 5 can play a role in protecting the power battery module.
For solving the problems of overcharge, overdischarge, balance control, safety protection and the like of the lithium ion battery, the portable lithium ion power battery module of the embodiment can also comprise a control assembly 6, the control assembly 6 is arranged in the shell 1, the control assembly 6 is positioned above the top layer battery small module 2, and the control assembly 6 is connected with each battery small module 2.
The control assembly 6 of this embodiment is the weak current control part, and three battery little module 2 are the strong current power supply part, and in order to cut off strong current power supply part and weak current control part, be provided with electric isolation layer 7 between control assembly 6 and the little module 2 of top layer battery.
Further, the control assembly 6 includes a Battery Management System (BMS) 601, a shunt 602, a fuse 603, a pre-charging component 604, a high voltage contactor 605 and a Direct Current power supply (DC) 606, and can be managed uniformly by the Battery Management System 601, the Battery Management System 601 is connected to the safety protection circuit through an internal communication bus to control the safety protection circuit to perform protection under extreme conditions, and is connected to the equalization circuit through the internal communication bus to control the equalization circuit to be turned on and off, and is connected to the positive and negative electrodes of each lithium ion cell 201 through signal collection lines to read the voltage data of each lithium ion cell 201, and is connected to the temperature sensor through the signal collection lines to read the temperature state information of the power Battery module, and is connected to the Current sensor through the signal collection lines, the safety protection circuit, the equalizing circuit, the temperature sensor and the current sensor are respectively connected with each small battery module 2; the shunt 602, the fuse 603, the pre-charging component 604 and the high-voltage contactor 605 are respectively connected with the battery management system 601, and the direct-current power supply 606 is respectively connected with the pre-charging component 604 and the high-voltage contactor 605; specifically, the shunt 602 is used for measuring the working current of the power battery module, the fuse 603 is used for overcurrent protection in the working process of the battery module, the pre-charging component 604 is used for preventing large current from damaging the battery module in the charging process, so that safety protection is realized, the high-voltage contactor 605 is connected with the battery management system 601 through an internal communication bus, the on-off of an equalization circuit is realized through switch switching action, and the direct-current power supply 606 is used for matching with the pre-charging component 604 and the high-voltage contactor 605.
Further, the battery management system 601 has a CAN communication interface, the CAN communication interface performs data communication with an external system (such as a motor controller, an ECU of the whole vehicle or other systems) through the connector 8 to ensure the safety of the driving and the system, the connector 8 extends from the inside of the housing 1 to the outside of the housing 1, and the connector 8 is sleeved with the sleeve 9 when not in use to protect the connector 8.
When the portable lithium ion power battery module of the embodiment is assembled, firstly, each lithium ion monomer battery cell 201 is placed in a single-layer queue type, then, the partition plates 3 are added for separation, and after the small battery modules 2 are placed in three layers, the connection columns 4 are used for fastening, so that a strong power supply part of the power battery module is formed; then, a protection pad 5 is arranged below the bottom-layer small battery module 2, an electrical isolation layer 7, a battery management system 601, a shunt 602, a fuse 603, a pre-charging component 604, a high-voltage contactor 605 and parts of a direct-current power supply 606 are arranged above the top-layer small battery module 2, so that a weak point control part and an electrical isolation part of the power battery module are formed, and finally, the shell 1 is arranged to form an integral portable lithium-ion power battery module which has the advantages of light weight, specific energy and high specific power.
In the transportation and assembly process of the portable lithium ion power battery module, the positive and negative terminals are not charged, namely no voltage and current are output, and when the battery management system is in a dormant state, for example, when a vehicle key is turned on or off, the power battery module has zero power consumption, so that the service life of the power battery module can be prolonged; in practical applications, the portable lithium ion power battery module of the present embodiment can also be used as a basic module and then connected in series or in parallel with other portable lithium ion battery modules to form a battery module with a larger capacity.
The embodiment also provides a battery pack which comprises the portable lithium ion power battery module.
The embodiment also provides an electric automobile which comprises the battery pack.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or agreed upon, the terms "disposed", "mounted" and "connected" are to be interpreted broadly, for example, the connection may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
To sum up, the power battery module of the utility model is provided with a plurality of small battery modules, and the plurality of small battery modules are sequentially arranged from top to bottom in the shell to form a laminated structure, so that the lithium ion single battery cell is convenient to maintain and replace in a layered manner, the lithium ion single battery cell is conveniently and quickly grouped, the large-scale industrial production is convenient, the disassembly and the assembly and the maintenance are convenient, the safety is effectively improved, and the manufacturing and using cost is reduced; furthermore, the utility model discloses a power battery module has light in weight, specific energy, advantage that specific power is high.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a portable lithium ion power battery module, a serial communication port, including shell and the little module of battery, the little module of battery is a plurality of, is provided with a plurality of lithium ion monomer electricity cores in every little module of battery, and the setting of the little module of a plurality of batteries is in the shell, and from the top down puts in proper order, forms the cascade structure, is provided with the baffle respectively between the top of the little module of top layer battery, the bottom of the little module of bottom battery and the little module of adjacent two-layer battery, and all little modules of battery and baffle carry out fastening connection through the spliced pole.
2. The portable lithium ion power battery module of claim 1, wherein each lithium ion battery cell in each battery small module is arranged in a queue, and the tabs of the lithium ion battery cells are flexibly connected.
3. The portable lithium ion power battery module according to claim 1, further comprising a control assembly disposed within the housing, the control assembly being located above the top layer battery micromodules, the control assembly being connected to each battery micromodule.
4. The portable lithium ion power battery module as claimed in claim 3, wherein an electrical isolation layer is disposed between the control assembly and the top battery small module.
5. The portable lithium ion power battery module of claim 3, wherein the control assembly comprises a battery management system, a shunt, a fuse, a pre-charging component, a high voltage contactor, and a DC power supply;
the battery management system is connected with the safety protection circuit through an internal communication bus, connected with the equalization circuit through the internal communication bus, connected with the positive electrode and the negative electrode of each lithium ion single battery cell through signal acquisition lines, connected with the temperature sensor through the signal acquisition lines, and connected with the current sensor through the signal acquisition lines, and the safety protection circuit, the equalization circuit, the temperature sensor and the current sensor are respectively connected with each battery small module;
the shunt, the fuse, the pre-charging component and the high-voltage contactor are connected with the battery management system respectively, and the direct-current power supply is connected with the pre-charging component and the high-voltage contactor respectively.
6. The portable lithium ion power battery module of claim 5, wherein the battery management system is in data communication with an external system through a connector that extends from within the housing to outside the housing.
7. The portable lithium ion power battery module according to any one of claims 1 to 6, wherein a protective pad is disposed under the bottom separator of the bottom battery small module.
8. The portable lithium ion power battery module as claimed in any one of claims 1 to 6, wherein a handle is provided on the top of the housing.
9. A battery pack comprising the portable lithium-ion power battery module according to any one of claims 1 to 8.
10. An electric vehicle comprising the battery pack according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120635429.3U CN215184276U (en) | 2021-03-29 | 2021-03-29 | Portable lithium ion power battery module, battery pack and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120635429.3U CN215184276U (en) | 2021-03-29 | 2021-03-29 | Portable lithium ion power battery module, battery pack and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215184276U true CN215184276U (en) | 2021-12-14 |
Family
ID=79353853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120635429.3U Active CN215184276U (en) | 2021-03-29 | 2021-03-29 | Portable lithium ion power battery module, battery pack and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215184276U (en) |
-
2021
- 2021-03-29 CN CN202120635429.3U patent/CN215184276U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103503199B (en) | Comprise the battery pack of overcurrent prevention system | |
| US10256502B2 (en) | Lithium-ion battery module | |
| US11973364B2 (en) | Circuit control method, battery and its controller and management system, and electrical apparatus | |
| CN215184276U (en) | Portable lithium ion power battery module, battery pack and electric automobile | |
| CN105162200A (en) | Layered battery pack balancing circuit | |
| CN202084612U (en) | Battery management system | |
| CN205407296U (en) | Complementary equalizer circuit of group battery | |
| CN201956703U (en) | Novel lithium battery management system | |
| CN209730083U (en) | Modular battery group and electric device | |
| CN113851776A (en) | Battery module, battery package and consumer | |
| CN209045699U (en) | Balanced externally charging typed electric car lithium-ion-power cell mould group | |
| CN209880771U (en) | Composite power energy storage monomer, module and equipment | |
| CN108099680B (en) | Electric vehicle lithium battery system and electric vehicle | |
| CN202435066U (en) | Lithium-ion battery pack management system with two-way current limiting function | |
| CN111599977A (en) | High-capacity lithium ion battery and electric equipment | |
| CN216288693U (en) | 12V auxiliary battery system | |
| CN213936403U (en) | Split battery and battery pack | |
| CN217691402U (en) | High-voltage and low-voltage integrated battery pack | |
| CN210576171U (en) | Lithium battery device for golf cart | |
| CN220711161U (en) | Dynamic balancing system for lithium battery | |
| CN209329075U (en) | A kind of battery system for low-speed electronic vehicle | |
| CN212012203U (en) | Control circuit of battery box of energy storage module of lithium ion battery | |
| CN117293425B (en) | Battery module, battery, electricity utilization device and battery discharge control method | |
| CN218414789U (en) | Battery cell, battery and power consumption device | |
| KR102078598B1 (en) | Modularized battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230509 Address after: 528200, 5th Floor, No. 13 Huakou Huafu Road, Shunde High tech Zone, Huakou Community, Ronggui Street, Shunde District, Foshan City, Guangdong Province Patentee after: Foshan Tuopu Technology Co.,Ltd. Address before: 511495 room 304, 3rd floor, building 1, No.47, zhong2 section, Shiguang Road, Zhongcun street, Panyu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU YIWE ELECTRIC VEHICLE CO.,LTD. |