CN214123966U - Battery and battery pack - Google Patents
Battery and battery pack Download PDFInfo
- Publication number
- CN214123966U CN214123966U CN202023226972.2U CN202023226972U CN214123966U CN 214123966 U CN214123966 U CN 214123966U CN 202023226972 U CN202023226972 U CN 202023226972U CN 214123966 U CN214123966 U CN 214123966U
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- heat exchange
- end cover
- battery
- exchange tube
- electric core
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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
Abstract
The utility model discloses a battery and group battery, this battery includes: the heat exchange tube penetrates through the middle parts of the first end cover, the second end cover and the electric core assembly, the tube wall of the heat exchange tube is contacted with the electric core assembly, and an input channel is arranged in the heat exchange tube; one end of the heat exchange tube is provided with an end plate part, and the other end of the heat exchange tube is detachably connected with a fastener. Input channel lets in outside low-temperature fluid and can take away the heat that the electric core subassembly produced, avoids the inside temperature rise of battery and makes charge-discharge efficiency and reliability descend, lets in outside warm fluid and electric core subassembly and carries out the heat transfer and can help electric core subassembly rapid heating up under extremely cold condition, improves the electric energy utilization efficiency, and the end plate portion leans on with first end cover counterbalance, and the fastener of fastener can the tight second end cover in top for the equipment of battery is more convenient. The battery pack comprises at least two batteries, the heat exchange pipes of the adjacent batteries are communicated, and all the batteries can exchange heat after fluid is input from the outside of the channel.
Description
Technical Field
The utility model relates to a battery and group battery.
Background
At present, general battery can only utilize the parcel to carry out the heat transfer at the outside casing of electric core subassembly, and its heat transfer effect is relatively poor, when the inside high temperature of battery, can lead to battery charge-discharge efficiency and reliability to descend behind the accumulated heat in the battery, and under being in extremely cold environment, the inside temperature of battery is crossed lowly, and two kinds of circumstances all can influence the utilization efficiency and the reliability of electric energy.
Secondly, the casing of battery includes barrel, upper end cover and lower extreme cover, and the central point of upper end cover and lower extreme cover puts all to be equipped with the perforation with the inner chamber intercommunication of casing, and the screw rod wears to establish on the perforation and the both ends of screw rod outwards stretch out respectively in upper end cover and lower extreme cover, and the both ends of screw rod are all fixed upper end cover and lower extreme cover on the barrel through the nut. Such structure installation is complicated, and the fast assembly of being inconvenient for, sealed effect is not good moreover.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an assemble convenient, the good battery of heat transfer.
The utility model discloses still provide a group battery, every battery homoenergetic of this group battery can reach good heat transfer effect, improves the energy utilization of group battery.
According to the utility model discloses a battery of first aspect embodiment includes: the cylinder body, the first end cover and the second end cover are arranged at two ends of the cylinder body respectively, and an accommodating space is defined by the cylinder body, the first end cover and the second end cover; the electric core assembly is accommodated in the accommodating space; the heat exchange tube penetrates through the first end cover, the second end cover and the middle part of the electric core assembly, the tube wall of the heat exchange tube is contacted with the electric core assembly, and an input channel for communicating heat exchange fluid is arranged in the heat exchange tube; one end of the heat exchange tube is provided with an end plate part which is abutted against the first end cover, the other end of the heat exchange tube is detachably connected with a fastener which can tightly push the second end cover, and the end plate part and the fastener are provided with through holes communicated with the input channel.
According to the utility model discloses battery has following beneficial effect at least:
above battery has and wears to establish at first end cover, the heat exchange tube at the middle part of second end cover and electric core subassembly, the inside input channel of heat exchange tube lets in outside low-temperature fluid and can take away the partial heat that electric core subassembly produced with the electric core subassembly carries out the heat transfer, avoid the inside temperature of battery to rise and make the condition that battery charge-discharge efficiency and reliability descend, input channel lets in outside warm fluid and carries out the heat transfer with the electric core subassembly, can help electric core subassembly rapid heating up under extremely cold condition, and then improve the electric energy utilization efficiency of battery, the end plate portion and the first end cover counterbalance of the one end of heat exchange tube lean on, the other end of heat exchange tube can be dismantled and be connected with the fastener that can push up tight second end cover, make the equipment of battery more convenient.
The utility model discloses an in some embodiments, first end cover with seted up respectively on the second end cover with heat exchange tube assorted first mounting hole and second mounting hole, the heat exchange tube is close to the one end of second mounting hole is equipped with the external screw thread, the fastener is threaded connection fastening nut on the external screw thread, fastening nut's well kenozooecium with input channel is relative.
In some embodiments of the present invention, the pipe wall of the heat exchange pipe and the first end cap are provided with a first sealing ring for sealing the first mounting hole.
In some embodiments of the present invention, the outer surface of the first end cap is provided with a first positioning groove facing the concave direction of the accommodating space, and the first sealing member is provided with a first sealing portion tightly fitted with the first positioning groove.
In some embodiments of the present invention, a second sealing ring for sealing the second mounting hole is disposed between the tube wall of the heat exchange tube and the second end cap.
In some embodiments of the present invention, the outer surface of the second end cap is provided with a second positioning groove facing the concave direction of the accommodating space, and the second sealing member is provided with a second sealing portion tightly fitted with the second positioning groove.
In some embodiments of the present invention, the first end cap has a first internal thread, the second end cap has a connection ring extending in a direction away from the accommodation space, and the connection ring has a first external thread for connecting with another first internal thread of the battery.
The utility model discloses group battery of second aspect embodiment, battery among two at least above-mentioned arbitrary technical scheme, establish ties in proper order through helicitic texture between the battery, it is adjacent on the battery communicate each other between the heat exchange tube.
According to the utility model discloses group battery has following beneficial effect at least:
the battery pack comprises at least two batteries which are sequentially connected in series through a thread structure, the adjacent batteries are communicated with each other through the heat exchange tubes, and after external fluid is input from the heat exchange tube at one end of the battery pack, the fluid can be output from the heat exchange tube at the other end of the battery pack, so that all batteries of the battery pack are subjected to heat exchange.
And a closed cavity is formed between every two adjacent batteries, and the adjacent heat exchange tubes are communicated with the corresponding closed cavities.
Additional aspects and advantages of the invention 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 invention.
Drawings
The above and/or additional aspects and advantages of the present invention 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 diagram of an internal structure of an embodiment of a battery according to the present invention;
FIG. 2 is an exploded view of the embodiment of FIG. 1;
fig. 3 is a schematic diagram of an internal structure of an embodiment of a battery pack according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.
Referring to fig. 1 and 2, the present invention provides a battery, including: the cylinder body 100, the first end cover 200 and the second end cover 300 are respectively arranged at two ends of the cylinder body 100, and the cylinder body 100, the first end cover 200 and the second end cover 300 define an accommodating space; the electric core assembly 400 is accommodated in the accommodating space; the heat exchange tube 500 is arranged in the middle of the first end cover 200, the second end cover 300 and the electric core assembly 400 in a penetrating manner, the tube wall of the heat exchange tube 500 is in contact with the electric core assembly 400, and an input channel 510 for communicating heat exchange fluid is arranged in the heat exchange tube; one end of the heat exchange tube 500 is provided with an end plate 520 abutting against the first end cap 200, the other end of the heat exchange tube 500 is detachably connected with a fastener 530 capable of tightly pushing the second end cap 300, and the end plate 520 and the fastener 530 are both provided with through holes communicated with the input channel 510.
The above battery has the heat exchange tube 500 penetrating through the middle of the first end cover 200, the second end cover 300 and the electric core assembly 400, the input channel 510 inside the heat exchange tube 500 is introduced with external low-temperature fluid to exchange heat with the electric core assembly 400 to take away partial heat generated by the electric core assembly 400, avoid the internal temperature rise of the battery and enable the charging and discharging efficiency and reliability of the battery to be reduced, the input channel 510 is introduced with external warm fluid to exchange heat with the electric core assembly 400, the quick temperature rise of the electric core assembly 400 can be facilitated under an extremely cold condition, and further the electric energy utilization efficiency of the battery is improved, the end plate part 520 at one end of the heat exchange tube 500 abuts against the first end cover 200, the other end of the heat exchange tube 500 is detachably connected with the fastener 530 capable of abutting against the second end cover 300, and the assembly of the battery is more convenient.
Referring to fig. 2, in some embodiments of the present invention, the first end cap 200 and the second end cap 300 are respectively provided with a first mounting hole 210 and a second mounting hole 310 matched with the heat exchange tube 500, one end of the heat exchange tube 500 adjacent to the second mounting hole 310 is provided with an external thread 540, the fastening member 530 is a fastening nut screwed on the external thread 540, a hollow portion of the fastening nut is opposite to the input channel 510, and a hollow portion of the fastening nut forms a through hole of the fastening member 530. The fastening member 530 is detachably connected to the heat exchange pipe 500 by a screw connection, and the mounting method is easy to assemble and disassemble.
Referring to fig. 1 and 2, in some embodiments of the present invention, in order to ensure the sealing performance inside the battery, a first sealing ring 600 for sealing the first mounting hole 210 is disposed between the tube wall of the heat exchange tube 500 and the first end cap 200.
Referring to fig. 2, in some embodiments of the present invention, in order to prevent the first sealing ring 600 from displacing and further improve the sealing performance, the outer surface of the first end cap 200 is provided with a first positioning groove 220 recessed toward the direction of the accommodating space, and the first sealing ring 600 is provided with a first sealing portion 610 tightly fitted with the first positioning groove 220.
Referring to fig. 1 and 2, in some embodiments of the present invention, in order to ensure the sealing performance inside the battery, a second sealing ring 700 for sealing the second mounting hole 310 is disposed between the tube wall of the heat exchange tube 500 and the second end cap 300.
Referring to fig. 2, in some embodiments of the present invention, in order to prevent the second sealing ring 700 from displacing and further improve the sealing performance, the outer surface of the second end cap 300 is provided with a second positioning groove 320 recessed toward the direction of the accommodating space, and the second sealing ring 700 is provided with a second sealing portion 710 tightly fitted with the second positioning groove 320.
Referring to fig. 1 and 2, in some embodiments of the present invention, the first end cap 200 is provided with a first internal thread 230, the second end cap 300 is provided with a connection ring 330 extending in a direction away from the receiving space, and the connection ring 330 is provided with a first external thread 340 for connecting with the first internal thread 230 of another battery. The batteries can be connected in series by the matching connection of the first internal thread 230 and the first external thread 340.
Referring to fig. 3, the utility model also discloses a battery pack, including the battery among two at least above-mentioned arbitrary technical scheme, establish ties in proper order through helicitic texture between the battery, communicate each other between the heat exchange tube 500 on the adjacent battery. After an external fluid is input from the heat exchange pipe 500 at one end of the battery pack, the fluid may be output from the heat exchange pipe 500 at the other end of the battery pack, thereby exchanging heat for all the cells of the battery pack.
Referring to fig. 3, it is further preferred that adjacent cells have a closed chamber 800 therebetween, and adjacent heat exchange tubes 500 are in communication with the corresponding closed chamber 800. In some embodiments, the first end cap 200 is provided with a first internal thread 230, the second end cap 300 is provided with a connecting ring 330 extending in a direction away from the accommodating space, the connecting ring 330 is provided with a first external thread 340 for connecting with the first internal thread 230 of another battery, the first end cap 200, the second end cap 300 and the connecting ring 330 define the closed chamber 800 therebetween, and fluid entering the closed chamber 800 can exchange heat with the corresponding first end cap 200 and the corresponding second end cap 300, thereby further improving the heat exchange efficiency.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (9)
1. A battery, comprising:
the cylinder comprises a cylinder body (100), wherein a first end cover (200) and a second end cover (300) are respectively arranged at two ends of the cylinder body (100), and an accommodating space is defined by the cylinder body (100), the first end cover (200) and the second end cover (300);
the electric core assembly (400) is accommodated in the accommodating space;
the heat exchange tube (500) penetrates through the first end cover (200), the second end cover (300) and the middle part of the electric core assembly (400), the tube wall of the heat exchange tube (500) is in contact with the electric core assembly (400), and an input channel (510) for communicating heat exchange fluid is arranged in the heat exchange tube;
one end of the heat exchange tube (500) is provided with an end plate part (520) which is abutted against the first end cover (200), the other end of the heat exchange tube (500) is detachably connected with a fastener (530) which can tightly push the second end cover (300), and the end plate part (520) and the fastener (530) are provided with through holes communicated with the input channel (510).
2. A battery as defined in claim 1, wherein:
the first end cover (200) and the second end cover (300) are respectively provided with a first mounting hole (210) and a second mounting hole (310) which are matched with the heat exchange tube (500), one end, close to the second mounting hole (310), of the heat exchange tube (500) is provided with an external thread (540), the fastening piece (530) is a fastening nut in threaded connection with the external thread (540), and the hollow part of the fastening nut is opposite to the input channel (510).
3. A battery according to claim 2, wherein:
and a first sealing ring (600) for sealing the first mounting hole (210) is arranged between the tube wall of the heat exchange tube (500) and the first end cover (200).
4. A battery according to claim 3, wherein:
the outer surface of first end cover (200) is equipped with orientation first positioning groove (220) of accommodation space's direction indent, first sealing washer (600) be equipped with first sealing (610) of first positioning groove (220) tight fit mutually.
5. A battery according to claim 2, wherein:
and a second sealing ring (700) for sealing the second mounting hole (310) is arranged between the tube wall of the heat exchange tube (500) and the second end cover (300).
6. A battery according to claim 5, wherein:
the outer surface of the second end cover (300) is provided with a second positioning groove (320) which is concave towards the direction of the accommodating space, and the second sealing ring (700) is provided with a second sealing part (710) which is tightly matched with the second positioning groove (320).
7. A battery as defined in claim 1, wherein:
the first end cover (200) is provided with a first internal thread (230), the second end cover (300) is provided with a connecting ring (330) extending out along the direction departing from the accommodating space, and the connecting ring (330) is provided with a first external thread (340) used for being connected with the first internal thread (230) of another battery.
8. A battery, characterized in that it comprises at least two cells according to any one of claims 1 to 7, said cells being connected in series one after the other by a screw thread structure, said heat exchange tubes (500) of adjacent cells being in communication with each other.
9. A battery pack in accordance with claim 8, wherein:
a closed chamber (800) is arranged between the adjacent batteries, and the adjacent heat exchange tubes (500) are communicated with the corresponding closed chamber (800).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023226972.2U CN214123966U (en) | 2020-12-28 | 2020-12-28 | Battery and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023226972.2U CN214123966U (en) | 2020-12-28 | 2020-12-28 | Battery and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214123966U true CN214123966U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023226972.2U Active CN214123966U (en) | 2020-12-28 | 2020-12-28 | Battery and battery pack |
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| CN (1) | CN214123966U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117438698A (en) * | 2023-12-08 | 2024-01-23 | 深圳市德兰明海新能源股份有限公司 | Battery heat exchange system |
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2020
- 2020-12-28 CN CN202023226972.2U patent/CN214123966U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117438698A (en) * | 2023-12-08 | 2024-01-23 | 深圳市德兰明海新能源股份有限公司 | Battery heat exchange system |
| CN117438698B (en) * | 2023-12-08 | 2024-03-26 | 深圳市德兰明海新能源股份有限公司 | Battery heat exchange system |
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Effective date of registration: 20220111 Granted publication date: 20210903 |