CN217846574U - Sampling structure and battery package - Google Patents
Sampling structure and battery package Download PDFInfo
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- CN217846574U CN217846574U CN202221674415.3U CN202221674415U CN217846574U CN 217846574 U CN217846574 U CN 217846574U CN 202221674415 U CN202221674415 U CN 202221674415U CN 217846574 U CN217846574 U CN 217846574U
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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
- 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
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Abstract
The application discloses sampling structure and battery package. Sampling structure is used for the battery package, and the battery package includes the battery module, is formed with logical groove in the battery module, and sampling structure includes battery management system, main sampling strip and follows the sampling strip. The battery management system is arranged on the side face of the battery module, the main sampling strip is arranged in the through groove, at least part of the main sampling strip extends out of the through groove to be detachably connected with the battery management system, the auxiliary sampling strip is arranged on the battery module, and one end of the auxiliary sampling strip is connected with the main sampling strip. So, battery management system sets up in the battery module side, and make full use of battery module does not utilize the space, has improved the space utilization of battery package, and the main sampling strip stretches out the part from leading to the inslot and can dismantle with battery management system and be connected, and convenient follow-up battery management system that changes provides better maintainability for the sampling structure.
Description
Technical Field
The application relates to the technical field of battery packs, in particular to a sampling structure and a battery pack.
Background
At present, in an electric vehicle, a battery pack is used as a power source of the whole vehicle, and has important influence on the performance of the whole vehicle, such as the trafficability, safety, reliable durability, maintainability and the like of the whole vehicle. In addition, in order to reduce the cost and reduce the number of parts of the battery pack, various companies use a large module or a design scheme without a module (CTP), a cross beam is generally designed in the middle of the large module or the CTP module, and a scheme of placing the cross beam from the side of the plate is proposed in order to improve the space utilization rate. However, the solution of side placing the slave plate usually welds the slave plate to the sampling bar, and has poor maintainability and high post-maintenance cost.
SUMMERY OF THE UTILITY MODEL
In view of this, the application provides a sampling structure and a battery pack, which solve the problems of poor maintainability, high later maintenance cost and the like of the conventional sampling structure.
The sampling structure of this application embodiment for the battery package, the battery package includes the battery module, be formed with logical groove in the battery module, the sampling structure includes:
the battery management system is arranged on the side surface of the battery module;
the main sampling strip is arranged in the through groove, at least partially extends out of the through groove and is detachably connected with the battery management system;
and the secondary sampling strip is arranged at the top of the battery module, and one end of the secondary sampling strip is connected with the main sampling strip.
In the sampling structure of this application embodiment, sampling structure is used for the battery package, and the battery package includes the battery module, and the battery module is formed with logical groove. The sampling structure comprises a battery management system, a main sampling strip and a slave sampling strip, wherein the battery management system is arranged on the side face of the battery module, the main sampling strip is arranged in a through groove, the part extending out of the through groove is detachably connected with the battery management system, the slave sampling strip is arranged at the top of the battery module, and one end of the slave sampling strip is connected with the main sampling strip. So, battery management system can dismantle with main sampling strip coupling part, and sampling structure maintainability is better, has reduced the later maintenance cost.
In some embodiments, the battery management system includes a sampling interface, and the primary sampling strip includes a plug extending out of the through slot, the plug being movably connected to the sampling interface.
In some embodiments, the secondary sampling strip comprises a plurality of strips, and the plurality of secondary sampling strips are arranged at intervals and extend in a direction perpendicular to the length direction of the primary sampling strip.
In some embodiments, the slave sample strips include 4 strips, a first separation of a first slave sample strip from a second slave sample strip being equal to a second separation of a third slave sample strip from a fourth slave sample strip, the third separation of the second slave sample strip from the third slave sample strip being greater than the first separation.
In certain embodiments, the master sample strip is welded to the slave sample strip.
In certain embodiments, the thickness of the battery management system is in the range of 15-20 millimeters.
In certain embodiments, the height of the battery management system ranges from 40 to 50 millimeters.
In certain embodiments, the thickness of the primary sampling bars ranges from 0.1 to 0.3 millimeters.
In certain embodiments, the battery management system further comprises a communication interface.
The application provides a battery package, including battery module and the above-mentioned any sampling structure.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic structural diagram of a sampling structure according to an embodiment of the present application;
fig. 2 is a schematic structural view of a battery module according to an embodiment of the present application;
fig. 3 is a schematic structural view of a battery pack according to an embodiment of the present application.
Description of the main element symbols:
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular orientation, and thus are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically, electrically or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Further, the present application may repeat reference numerals and/or reference letters in the various examples for simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or arrangements discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1 to 3, the present disclosure provides a sampling structure 100, the sampling structure 100 is used for a battery pack 1000, the battery pack 1000 includes a battery module 200, and a through groove 210 is formed in the battery module 200. The sampling structure 100 includes a battery management system 110, a master sampling bar 120, and a slave sampling bar 130. The battery management system 110 is arranged on the side face of the battery module 200, the main sampling strip 120 is arranged in the through groove 210, the part, extending out from the through groove 210, of the main sampling strip 120 is detachably connected with the battery management system 110, the auxiliary sampling strip 130 is arranged on the top of the battery module 200, and one end of the auxiliary sampling strip 130 is connected with the main sampling strip 120.
In the sampling structure 100 of the embodiment of the present application, through setting up the battery management system 110 on the side of the battery module 200, can avoid the battery management system 110 to occupy the space of the battery module 200, the space utilization of the battery module 200 is improved, and, to set up at the top of the battery module 200 from the sampling strip 130, and be connected with the main sampling strip 120 that sets up in the through groove 210, make the signal such as voltage or temperature that can sample from the battery module 200 can be gathered to the main sampling strip 120 from the sampling strip 130, transmit the battery management system 110 by the main sampling strip 120 again, make the battery management system 110 can sample the signal such as voltage or temperature of the battery module 200, and stretch out the part and the battery management system 110 from the through groove 210 with the main sampling strip 120 and carry out detachable connection, make things convenient for the follow-up change battery management system 110, better maintainability is provided for the sampling structure 100.
Specifically, the battery management system 110 is disposed at the side of the battery module 200, the battery management system 110 may be rectangular, and the battery management system 110 is used to transmit the sampling information collected from the main sampling bar 120 to other modules. The main sampling strip 120 may be a Flexible Circuit board (FPC), the FPC has the characteristics of high wiring density, light weight, thin thickness, and the like, the main sampling strip 120 is used for summarizing signals such as voltage and temperature collected from the sampling strip 130, further, the main sampling strip 120 transmits summarized sampling information to the battery management system 110, the main sampling strip 120 is placed in the through groove 210, and the portion of the main sampling strip 120 extending from the through groove 210 is detachably connected with the battery management system 110. The slave sampling strip 130 is located at the top of the battery module 200, one end of the slave sampling strip is connected with the master sampling strip 120, the slave sampling strip 120 can comprise a plurality of sampling points connected with the battery core of the battery module 200, and the sampling points can collect the voltage, the temperature signal and the like of the battery module 200. It should be understood that the number of the master sampling bars 120 is the same as the number of the battery management systems 110, and the number of the slave sampling bars 130 may be multiple, and the specific number is not limited herein.
In this way, by disposing the battery management system 110 on the side surface of the battery module 200, the unused space of the battery module 200 is fully utilized, and the space utilization rate of the battery pack 1000 is improved. The main sampling strip 120 is arranged in the through groove 210, so that the space occupation of the battery pack 1000 is reduced, the part, extending out of the through groove 210, of the main sampling strip 120 is detachably connected with the battery management system 110, the subsequent replacement of the battery management system 110 is facilitated, and better maintainability is provided for the sampling structure 100.
Referring to fig. 1, in some embodiments, the battery management system 110 includes a sampling interface 111, and the primary sampling strip 120 includes a plug 121 extending out of the through-slot 210, wherein the plug 121 is movably connected to the sampling interface 111.
Specifically, one end of the battery management system 110 close to the main sampling bar 120 is provided with a sampling interface 111, one end of the main sampling bar 120 close to the battery management system 110 is provided with a plug 121 extending out of the through groove 210, and the plug 121 is detachably and movably connected with the sampling interface 111 and is used for connecting the battery management system 110 and the main sampling bar 120.
Therefore, the sampling interface 111 of the battery management system 110 is movably connected with the plug 121 of the main sampling bar 120, so that the sampling information gathered by the main sampling bar 120 can be transmitted to the battery management system 110 through the sampling interface 111, the battery management system 110 is convenient to replace subsequently, and better maintainability is provided for the sampling structure 100.
Referring to fig. 1, in some embodiments, the secondary sampling strip 130 includes a plurality of secondary sampling strips 130, and the plurality of secondary sampling strips 130 are arranged at intervals and extend in a direction perpendicular to the length direction of the primary sampling strip 120.
Specifically, the slave sampling bar 130 includes a plurality of sampling points connected to the battery cells, and the slave sampling bar 130 samples signals of the battery cells, such as voltage and temperature. The plurality of slave sampling bars 130 may be a plurality of slave sampling bars 130, and the plurality of slave sampling bars 130 are arranged at intervals along the length of the master sampling bar 120 in the vertical direction and distributed on the top of the battery module 200, for example, the plurality of slave sampling bars 130 may be four, a first interval between the first slave sampling bar 130 and the second slave sampling bar 130 is equal to a second interval between the third slave sampling bar 130 and the fourth slave sampling bar 130, and a third interval between the second slave sampling bar 130 and the third slave sampling bar 130 is greater than the first interval. It should be understood that the number and the interval of the sampling bars 130 may be configured according to the actual situation, and are not limited herein.
Thus, through the arrangement of the plurality of slave sampling bars 130, a greater number of battery cells can be sampled simultaneously, thereby improving the sampling efficiency of the sampling structure 100.
Referring to fig. 1, in some embodiments, the master sampling strip 120 is welded to the slave sampling strip 130.
Specifically, main sampling strip 120 and from sampling strip 130 can be connected through connection methods such as welding, compare in other connection methods such as paste, the welding has characteristics such as with low costs, connect stably, structural integrity, consequently, main sampling strip 120 and from adopting the welding between sampling strip 130, can promote the stability between main sampling strip 120 and the follow sampling strip 130, guarantee sampling structure 100's sampling effect. The land 131 may be located at an end of the slave sampling bar 130 near the horizontal position of the master sampling bar 120.
Therefore, the main sampling strip 120 is connected with the auxiliary sampling strips 130 in a welded connection mode, and the welding area 131 is arranged at a horizontal position close to the main sampling strip 120, so that the typesetting utilization rate of the sampling strips can be improved and the cost of the sampling structure 100 is reduced while the stable connection of the main sampling strip 120 and the auxiliary sampling strips 130 is ensured.
In some embodiments, the sampling structure 100 further includes a housing 220 disposed at a side of the battery module 200, the battery management system 110 is disposed in the housing 220, and the battery management system 110 can be fixed at the side of the battery module 200 through the housing 220.
Specifically, the housing 220 may include mounting parts 221 thereon, the battery pack 1000 may include cross members, and the housing 220 may be connected to the cross members of the battery pack 1000 through the mounting parts 221 so as to be fixed to the sides of the battery module 200. The connection manner of the mounting part 221 and the cross beam of the battery pack 1000 may include, but is not limited to, snap, screw, adhesion, and the like.
Thus, through the arrangement of the housing 220, the battery management system 110 can be fixed on the cross beam on the side surface of the battery pack 1000, and the battery management system 110 can be protected, so that the influence of dust or other interference on the battery management system 110 is avoided.
Referring to fig. 1, in some embodiments, the thickness of the battery management system 110 ranges from 15 mm to 20 mm, and the height of the battery management system 110 ranges from 40 mm to 50 mm.
Specifically, the height of the battery pack 1000 is generally greater than 100 mm, the height of the cross beam of the battery pack 1000 is generally greater than 20 mm, and the width of the cross beam is generally 20-25 mm, so the thickness of the battery management system 110 can be 15-20 mm, and the height of the battery management system 110 can be 40-50 mm, and thus the battery management system 110 can just meet the requirement of being placed on the cross beam at the side of the battery pack 1000.
Referring to FIG. 1, in some embodiments, the thickness of the primary sampling strip 120 ranges from 0.1 mm to 0.3 mm.
Specifically, the main sampling bar 120 is placed in the through groove 210 formed in the battery module 200, and further, the thickness of the main sampling bar 120 may be 0.1-0.3 mm, and it should be understood that the width of the through groove 210 is set to correspond to the thickness of the main sampling bar 120.
In this way, by setting the thickness of the main sampling bar 120 to 0.1-0.3 mm, the internal occupied space of the battery module 200 can be saved while signal transmission is ensured, and the cost of the sampling structure 100 can be reduced.
Referring to fig. 1, in some embodiments, the battery management system 110 further includes a communication interface 112.
Specifically, the communication interfaces 112 are located at one end of the battery management system 110 near the center of the battery module 200, and the number of the communication interfaces 112 may be one or more, and it should be understood that the number of the communication interfaces 112 corresponds to the number of the battery management systems 110. The communication interface 112 is used for connecting with other modules.
In this way, the battery management system 110 can communicate with other modules through the communication interface 112, thereby realizing the transmission of the whole packet of sampling information.
Referring to fig. 3, the present application provides a battery pack 1000, which includes the battery pack 1000 and the sampling structure 100 of any of the above embodiments.
Thus, the battery management system 110 is disposed at the side of the battery module 200, and makes full use of the unused space of the battery module 200, thereby improving the space utilization of the battery pack 1000. The main sampling spline 120 is connected with the auxiliary sampling spline 130 through a welding connection mode, and the welding area 131 is arranged at a horizontal position close to the main sampling spline 120, so that the typesetting utilization rate of the sampling splines is improved, and the cost of the battery pack 1000 is reduced. The extended part of the main sampling strip 120 from the through groove 210 is detachably connected with the battery management system 110, so that the battery management system 110 can be conveniently replaced subsequently, better maintainability is provided for the battery pack 1000, and the later maintenance cost of the battery pack 1000 is reduced.
In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a sampling structure for battery package, its characterized in that, battery package includes the battery module, be formed with logical groove in the battery module, sampling structure includes:
the battery management system is arranged on the side surface of the battery module;
the main sampling strip is arranged in the through groove, at least partially extends out of the through groove and is detachably connected with the battery management system;
and the secondary sampling strip is arranged at the top of the battery module, and one end of the secondary sampling strip is connected with the main sampling strip.
2. The sampling structure according to claim 1, characterized in that said battery management system comprises a sampling interface, said primary sampling strip comprising a plug protruding from said through slot, said plug being operatively connected to said sampling interface.
3. The sampling structure according to claim 1, wherein the secondary sampling stripes comprise a plurality of strips, and the secondary sampling stripes are arranged at intervals and extend in a direction perpendicular to the length direction of the primary sampling stripes.
4. The sampling structure according to claim 3, wherein the slave sample bars comprise 4 bars, a first interval of a first slave sample bar and a second slave sample bar is equal to a second interval of a third slave sample bar and a fourth slave sample bar, and a third interval of the second slave sample bar and the third slave sample bar is greater than the first interval.
5. The sampling structure of claim 1, wherein the master sampling bar is welded to the slave sampling bar.
6. The sampling structure of claim 1, wherein the battery management system has a thickness in the range of 15-20 millimeters.
7. The sampling structure of claim 1, wherein the battery management system has a height in the range of 40-50 millimeters.
8. The sampling structure of claim 1, wherein the thickness of the primary sampling bar is in the range of 0.1-0.3 millimeters.
9. The sampling structure of claim 1, wherein the battery management system further comprises a communication interface.
10. A battery pack comprising a battery module and a sampling structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221674415.3U CN217846574U (en) | 2022-06-29 | 2022-06-29 | Sampling structure and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221674415.3U CN217846574U (en) | 2022-06-29 | 2022-06-29 | Sampling structure and battery package |
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| Publication Number | Publication Date |
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| CN217846574U true CN217846574U (en) | 2022-11-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221674415.3U Active CN217846574U (en) | 2022-06-29 | 2022-06-29 | Sampling structure and battery package |
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| CN (1) | CN217846574U (en) |
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- 2022-06-29 CN CN202221674415.3U patent/CN217846574U/en active Active
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