CN219246877U - Battery module and battery hub device - Google Patents
Battery module and battery hub device Download PDFInfo
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- CN219246877U CN219246877U CN202320050936.XU CN202320050936U CN219246877U CN 219246877 U CN219246877 U CN 219246877U CN 202320050936 U CN202320050936 U CN 202320050936U CN 219246877 U CN219246877 U CN 219246877U
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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 provides a battery module and a battery hub device. The battery module comprises a battery pack, a mounting assembly, an insulating assembly and a protection plate, wherein the battery pack comprises an electric core and a conductive metal sheet. At least three electric core cup joints in the installation component to make at least three electric core along the circumference of installation component interval arrangement in proper order, on the range route of at least three electric core, the positive pole opposite orientation of adjacent two electric core, at least three electric core is established ties in proper order through at least two conductive metal sheet and is formed the group battery, and each conductive metal sheet welds with corresponding electric core. The first insulating sheet of the insulating assembly is bonded to the conductive metal sheet adjacent the first mount and the second insulating sheet of the insulating assembly is bonded to the conductive metal sheet adjacent the second mount. The protection shield is fixed in one side of first mounting bracket adjacent to first insulating piece, and the positive negative pole of protection shield is connected with the positive negative pole electricity of group battery respectively, and the detection end of protection shield is connected with each conductive metal piece electricity. Thus, the assembly efficiency of the battery module is improved.
Description
Technical Field
The utility model relates to the technical field of battery modules, in particular to a battery module and a battery hub device.
Background
To installing the epaxial battery module of wheel hub, general battery module includes a plurality of electric core, and in the conventional art, a plurality of electric core establish ties through the wire rod for battery module's pencil is more and complicated, when assembled battery module, needs the wire rod of manual carding series connection electric core, leads to battery module's packaging efficiency lower.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a battery module and a battery hub device for improving the assembly efficiency.
The aim of the utility model is realized by the following technical scheme:
a battery module, comprising:
the battery pack comprises at least three electric cores and at least two conductive metal sheets;
the mounting assembly comprises a first mounting frame and a second mounting frame which are oppositely arranged at intervals, the first mounting frames are respectively sleeved at the first ends of the battery cells, and the second mounting frames are respectively sleeved at the second ends of the battery cells, so that at least three battery cells are sequentially arranged at intervals along the circumferential directions of the first mounting frames and the second mounting frames; on the arrangement path of at least three electric cores, the positive electrode of each electric core faces the same direction as the negative electrode of the adjacent electric core, at least three electric cores are sequentially connected in series through at least two conductive metal sheets to form the battery pack, and each conductive metal sheet is welded with the corresponding electric core;
the insulating assembly comprises a first insulating sheet and a second insulating sheet, wherein the first insulating sheet is adhered to the conductive metal sheet adjacent to the first mounting frame, the first insulating sheet completely covers one side, away from each cell, of the corresponding conductive metal sheet, the second insulating sheet is adhered to the conductive metal sheet adjacent to the second mounting frame, and the second insulating sheet completely covers one side, away from each cell, of the corresponding conductive metal sheet; and
the protection plate is fixedly connected to one side, adjacent to the first insulating sheet, of the first mounting frame, the positive electrode and the negative electrode of the protection plate are respectively and electrically connected with the positive electrode and the negative electrode of the battery pack, and the detection end of the protection plate is electrically connected with each conductive metal sheet.
In one embodiment, the battery module further comprises a conductive component, the conductive component comprises an anode connecting sheet and a cathode connecting sheet, the anode connecting sheet is welded to the anode of the battery pack and the anode of the protection board respectively, and the cathode connecting sheet is welded to the cathode of the battery pack and the cathode of the protection board respectively.
In one embodiment, the detection end of the protective plate is welded to the conductive metal sheet adjacent to the first mount.
In one embodiment, the edge of each conductive metal sheet is bent to form a conductive pin, and the conductive pin of the conductive metal sheet adjacent to the first mounting frame is welded to the detection end of the protection board.
In one embodiment, the battery module further includes at least one wire, and the conductive pin of the conductive metal sheet adjacent to the second mounting frame is electrically connected to the detection end of the protection board through one of the wires.
In one embodiment, a first end of each wire is welded to a conductive pin of the corresponding conductive metal sheet, and a second end of each wire is welded to a detection end of the protection plate.
In one embodiment, the battery module further comprises a housing, the housing comprises a first shell and a second shell, the first shell is provided with a first annular accommodating groove, the first mounting rack is mounted in the first annular accommodating groove, and the first shell is further provided with a first mounting through hole, so that the second shell is of an annular structure; the second shell is provided with a second annular accommodating groove, the second mounting rack is mounted in the second annular accommodating groove, and the second shell is also provided with a second mounting through hole, so that the second shell is of an annular structure;
the first shell is fixedly connected with the second shell, so that the first annular accommodating groove is communicated with the second annular accommodating groove to form an accommodating cavity, each battery cell, the first insulating sheet, the second adhesive and the protection plate are all located in the accommodating cavity, and the first mounting through hole is communicated with the second mounting through hole to form a mounting cavity.
In one embodiment, the battery module further comprises a sealing assembly, the sealing assembly comprises an inner sealing ring and an outer sealing ring, the inner sealing ring is elastically abutted against the inner edge of the first shell and the inner edge of the second shell respectively, and the outer sealing ring is elastically abutted against the outer edge of the first shell and the outer edge of the second shell respectively, so that the inner sealing ring and the outer sealing ring seal the accommodating cavity together.
In one embodiment, at least three adjacent cells are parallel.
The battery hub device is characterized by comprising a hub and the battery module according to any embodiment, wherein a part of the hub is installed in the installation cavity.
Compared with the prior art, the utility model has at least the following advantages:
the battery module comprises at least three electric cores, wherein the electric cores are sequentially arranged at intervals along the circumference of the first installation frame and the circumference of the second installation frame, and on the arrangement path of the at least three electric cores, the positive electrode of each electric core faces the same as the negative electrode of the adjacent electric core, so that the at least three electric cores are arranged in the installation assembly along the circumference of the installation assembly. At least three electric core is established ties in proper order through at least two conductive metal sheets and forms the group battery, and each conductive metal sheet and corresponding electric core welding have avoided adopting the wire rod to establish ties at least three electric core for the circuit of battery module is less and succinct, need not to comb the wire rod of establishing ties electric core when assembling the battery module, has improved battery module's packaging efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a battery module according to an embodiment;
fig. 2 is a partial schematic structure of the battery module shown in fig. 1;
fig. 3 is a schematic view of yet another partial structure of the battery module shown in fig. 1;
fig. 4 is a schematic view of yet another partial structure of the battery module shown in fig. 1;
fig. 5 is a schematic view of yet another partial structure of the battery module shown in fig. 1;
fig. 6 is a schematic view of yet another partial structure of the battery module shown in fig. 1;
fig. 7 is a schematic view of yet another partial structure of the battery module shown in fig. 1;
fig. 8 is a sectional view of the battery module shown in fig. 1, taken along the line A-A;
fig. 9 is an enlarged schematic view of the battery module shown in fig. 8 at B;
fig. 10 is a partial schematic structure of a battery module according to another embodiment;
fig. 11 is a sectional view of the battery module shown in fig. 10.
Detailed Description
In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The application provides a battery module, including group battery, installation component, insulation component and protection shield, the group battery includes at least three electric core and two at least conductive metal sheets. The installation component includes relative and first mounting bracket and the second mounting bracket that the interval set up, and first mounting bracket cup joints respectively in the first end of each electric core, and the second mounting bracket cup joints respectively in the second end of each electric core to make at least three electric core follow the circumference interval arrangement in proper order of first mounting bracket and second mounting bracket. On the arrangement path of at least three electric cores, the positive electrode of each electric core faces the same direction as the negative electrode of the adjacent electric core, at least three electric cores are sequentially connected in series through at least two conductive metal sheets to form a battery pack, and each conductive metal sheet is welded with the corresponding electric core. The insulating assembly comprises a first insulating sheet and a second insulating sheet, the first insulating sheet is adhered to the conductive metal sheet adjacent to the first mounting frame, and the first insulating sheet completely covers one side, deviating from each cell, of the corresponding conductive metal sheet so as to inhibit the corresponding conductive metal sheet from contacting with the outside, and further inhibit the short circuit of the corresponding conductive metal sheet. The second insulating sheet is adhered to the conductive metal sheet adjacent to the second mounting frame, and the second insulating sheet completely covers one side of the corresponding conductive metal sheet, which faces away from each cell, so as to inhibit the corresponding conductive metal sheet from contacting with the outside, and further inhibit the short circuit of the corresponding conductive metal sheet. The protection shield, BMS fixed connection is in one side of first mounting bracket adjacent first insulating piece, and the positive negative pole of protection shield is connected with the positive negative pole electricity of group battery respectively, and the detection end and the each conductive metal piece electricity of protection shield are connected.
The battery module comprises at least three electric cores, wherein the electric cores are sequentially arranged at intervals along the circumference of the first installation frame and the circumference of the second installation frame, and on the arrangement path of the at least three electric cores, the positive electrode of each electric core faces the same as the negative electrode of the adjacent electric core, so that the at least three electric cores are arranged in the installation assembly along the circumference of the installation assembly. At least three electric core is established ties in proper order through at least two conductive metal sheets and forms the group battery, and each conductive metal sheet and corresponding electric core welding have avoided adopting the wire rod to establish ties at least three electric core for the circuit of battery module is less and succinct, need not to comb the wire rod of establishing ties electric core when assembling the battery module, has improved battery module's packaging efficiency.
For better understanding of the technical solutions and advantageous effects of the present application, the following details are further described with reference to specific embodiments:
as shown in fig. 1 to 7, a battery module 10 of an embodiment includes a battery pack 100, a mounting assembly 200, an insulating assembly 300, and a protection plate 400, wherein the battery pack 100 includes at least three battery cells 110 and at least two conductive metal sheets 120.
Further, as shown in fig. 2 to 4, the mounting assembly 200 includes a first mounting frame 210 and a second mounting frame 220 that are disposed opposite to each other and spaced apart from each other, the first mounting frames 210 are respectively sleeved at a first end of each of the battery cells 110, and the first mounting frames 210 are respectively sleeved at a second end of each of the battery cells 110, so that at least three battery cells 110 are sequentially arranged at intervals along a circumferential direction of the first mounting frames 210 and the second mounting frames 220. On the arrangement path of at least three cells 110, the positive electrode of each cell 110 faces the same direction as the negative electrode of the adjacent cell 110, at least three cells 110 are sequentially connected in series through at least two conductive metal sheets 120 to form a battery pack 100, and each conductive metal sheet 120 is welded with the corresponding cell 110.
Further, as shown in fig. 2 to 6, the insulating assembly 300 includes a first insulating sheet 310 and a second insulating sheet 320, the first insulating sheet 310 is adhered to the conductive metal sheet 120 adjacent to the first mounting frame 210, and the first insulating sheet 310 completely covers a side of the corresponding conductive metal sheet 120 facing away from each of the battery cells 110, so as to inhibit the corresponding conductive metal sheet 120 from contacting the outside, and thus inhibit the corresponding conductive metal sheet 120 from shorting. The second insulating sheet 320 is adhered to the conductive metal sheet 120 adjacent to the second mounting frame 220, and the second insulating sheet 320 completely covers a side of the corresponding conductive metal sheet 120 facing away from each of the battery cells 110, so as to inhibit the corresponding conductive metal sheet 120 from contacting the outside, thereby inhibiting the corresponding conductive metal sheet 120 from being shorted.
Further, as shown in fig. 7, the protection plate 400, i.e., the BMS, is fixedly coupled to one side of the first mounting frame 210 adjacent to the first insulating sheet 310, the positive and negative electrodes of the protection plate 400 are electrically connected to the positive and negative electrodes of the battery pack 100, respectively, and the sensing end of the protection plate 400 is electrically connected to each of the conductive metal sheets 120.
As shown in fig. 2 to 7, in the present embodiment, each of the battery cells 110 has a cylindrical structure, each of the missile metal sheets has a copper sheet structure, the first mounting frame 210 and the second mounting frame 220 have annular structures, and at least three battery cells 110 are sequentially arranged at intervals along the edges of the first mounting frame 210 and the second mounting frame 220. Each conductive metal sheet 120 is connected with the positive electrode or the negative electrode of the corresponding battery cell 110 through resistance welding, the welding time of the resistance welding is shorter, the welding temperature is lower, and the problem that the battery cell 110 burns out due to welding is avoided.
It can be understood that, on the arrangement path of at least three electric cells 110, the positive electrode of each electric cell 110 is oriented towards the same direction as the negative electrode of the adjacent electric cell 110, and at least three electric cells 110 are sequentially connected in series through at least two conductive metal sheets 120 to form the battery pack 100, when the number of electric cells 110 is three, two ends of the battery pack 100 are respectively provided with one conductive metal sheet 120, i.e. the number of conductive metal sheets 120 arranged adjacent to the first mounting frame 210 is one, and the number of conductive metal sheets 120 arranged adjacent to the second mounting frame 220 is one; when the number of the battery cells 110 is four, the number of the conductive metal sheets 120 adjacent to the first mounting frame 210 is two, the number of the conductive metal sheets 120 adjacent to the second mounting frame 220 is one, or the number of the conductive metal sheets 120 adjacent to the first mounting frame 210 is one, and the number of the conductive metal sheets 120 adjacent to the second mounting frame 220 is two; when the number of the battery cells 110 is five, the number of the conductive metal sheets 120 adjacent to the first mounting frame 210 and the number of the conductive metal sheets 120 adjacent to the second mounting frame 220 are two; when the number of the battery cells 110 is six, the number of the conductive metal sheets 120 adjacent to the first mounting frame 210 is three, the number of the conductive metal sheets 120 adjacent to the second mounting frame 220 is two, or the number of the conductive metal sheets 120 adjacent to the first mounting frame 210 is two, and the number of the conductive metal sheets 120 adjacent to the second mounting frame 220 is three; when the number of the battery cells 110 is seven, the number of the conductive metal sheets 120 adjacent to the first mounting frame 210 and the number of the conductive metal sheets 120 adjacent to the second mounting frame 220 are three.
In the above battery module 10, at least three battery cells 110 are sequentially arranged at intervals along the circumferential direction of the first mounting frame 210 and the second mounting frame 220, and on the arrangement path of at least three battery cells 110, the positive electrode orientation of each battery cell 110 is the same as the negative electrode orientation of the adjacent battery cell 110, so that at least three battery cells 110 are mounted in the mounting assembly 200 along the circumferential direction of the mounting assembly 200. The at least three battery cells 110 are sequentially connected in series through the at least two conductive metal sheets 120 to form the battery pack 100, and each conductive metal sheet 120 is welded with the corresponding battery cell 110, so that the use of wires to connect the at least three battery cells 110 in series is avoided, the circuit of the battery module 10 is less and concise, the wires of the battery cells 110 connected in series do not need to be combed when the battery module 10 is assembled, and the assembly efficiency of the battery module 10 is improved.
As shown in fig. 3 and 7, in one embodiment, the battery module 10 further includes a conductive component 500, the conductive component 500 includes a positive electrode connecting piece 510 and a negative electrode connecting piece 520, the positive electrode connecting piece 510 is welded to the positive electrode of the battery pack 100 and the positive electrode of the protection board 400 respectively, and the negative electrode connecting piece 520 is welded to the negative electrode of the battery pack 100 and the negative electrode of the protection board 400 respectively, so that the protection board 400 is electrified, and meanwhile, the protection board 400 is prevented from being electrified by wires, wires needing carding are reduced, and the assembly efficiency of the battery module 10 is improved. In this embodiment, the positive electrode connection piece 510 and the negative electrode connection piece 520 are both copper structures, so that the positive electrode connection piece 510 and the negative electrode connection piece 520 have conductive effects.
As shown in fig. 3 and 7, in one embodiment, the detection end of the protection plate 400 is welded with the conductive metal sheet 120 adjacent to the first mounting frame 210, so that the battery cells 110 connected with the corresponding conductive metal sheet 120 are connected with the detection end of the protection plate 400, so that the protection plate 400 detects the corresponding battery cells 110. In this embodiment, since the detecting end of the protection plate 400 and the corresponding conductive piece are not connected by wires, i.e., the wires, the amount of wires used in the battery module 10 is reduced, the time for carding the wires is further reduced, and the assembly efficiency of the battery module 10 is improved.
As shown in fig. 3 and 7, in one embodiment, the edge of each conductive metal sheet 120 is bent to form a conductive pin 121, and the conductive pins 121 of the conductive metal sheet 120 adjacent to the first mounting frame 210 are welded to the detection end of the protection board 400. In this embodiment, after the protection board 400 is mounted, the conductive pins 121 of the conductive metal sheet 120 adjacent to the first mounting frame 210 are bent so that the corresponding conductive pins 121 are in contact with the detection end of the protection board 400, and then the corresponding conductive pins 121 are welded to the detection end of the protection board 400 by means of welding so that the corresponding battery cells 110 are electrically connected to the detection end of the protection board 400 through the conductive metal sheet 120.
In one embodiment, the battery module 10 further includes at least one wire, and the conductive pins 121 of the conductive metal sheet 120 adjacent to the second mounting frame 220 are electrically connected to the detection end of the protection plate 400 through one wire. Since the protection board 400 is mounted on the first mounting frame 210, the conductive pins 121 of the conductive metal sheet 120 adjacent to the second mounting frame 220 are far away from the detection end of the protection board 400, in this embodiment, the conductive pins 121 of the conductive metal sheet 120 adjacent to the second mounting frame 220 are electrically connected to the detection end of the protection board 400 through a wire, that is, the first end of each wire is connected to the conductive pins 121 of the corresponding conductive metal sheet 120 adjacent to the second mounting frame 220, and the second end of each wire is connected to the detection end of the protection board 400.
In one embodiment, the first end of each wire is welded to the conductive pin 121 of the corresponding conductive metal sheet 120, and the second end of each wire is welded to the detection end of the protection plate 400, so as to improve the connection efficiency of each wire, and further improve the assembly efficiency of the battery module 10.
As shown in fig. 1 and 8, in one embodiment, the battery module 10 further includes a housing 600, the housing 600 includes a first casing 610 and a second casing 620, the first casing 610 is formed with a first annular receiving groove 611, the first mounting rack 210 is mounted in the first annular receiving groove 611, the first casing 610 is further formed with a first mounting through hole 612, so that the second casing 620 has an annular structure; the second housing 620 is formed with a second annular receiving groove 621, and the second mounting frame 220 is mounted in the second annular receiving groove 621, and the second housing 620 is further formed with a second mounting through hole 622, so that the second housing 620 has an annular structure.
As shown in fig. 8, further, the first housing 610 is fixedly connected to the second housing 620, so that the first annular receiving groove 611 is communicated with the second annular receiving groove 621 to form a receiving cavity, each of the battery cells 110, the first insulating sheet 310, the second insulating sheet 320 and the protection plate 400 are located in the receiving cavity, the first mounting through hole 612 is communicated with the second mounting through hole 622 to form a mounting cavity, and the mounting cavity is used for mounting a mounting portion of a hub, so that the battery module 10 is mounted on the mounting portion of the hub. In the present embodiment, the first mounting frame 210, the second mounting frame 220, each of the battery cells 110, the first insulating sheet 310, the second insulating sheet 320, and the protection plate 400 are all mounted in the receiving cavity, so that the first case 610 and the second case 620 are commonly used to protect the internal structure of the battery module 10.
As shown in fig. 8 and 9, in one embodiment, the battery module 10 further includes a sealing assembly 700, the sealing assembly 700 includes an inner sealing ring 710 and an outer sealing ring 720, the inner sealing ring 710 is elastically abutted against the inner edge of the first case 610 and the inner edge of the second case 620, and the outer sealing ring 720 is elastically abutted against the outer edge of the first case 610 and the outer edge of the second case 620, so that the inner sealing ring 710 and the outer sealing ring 720 seal the accommodating cavity together, and further, external water vapor or liquid is prevented from entering the accommodating cavity, so as to ensure the normal operation of the battery module 10.
As shown in fig. 9, in one embodiment, a first sealing groove 623 is formed at an inner edge of the second housing 620, an inner seal ring 710 is received in the first sealing groove 623 and abuts against a groove wall of the first sealing groove 623, a first pressing portion 613 is protruding from an inner edge of the first housing 610, and the first pressing portion 613 is received in the first sealing groove 623 and abuts against the inner seal ring 710, so that the inner seal ring 710 is pressed by the first pressing portion 613 to seal the receiving cavity. In this embodiment, the inner seal ring 710 is accommodated in the first seal groove 623, so that the convenience of installing the inner seal ring 710 is improved.
As shown in fig. 9. Further, a second sealing groove 624 is formed at the outer edge of the second housing 620, and an outer sealing ring 720 is accommodated in the second sealing groove 624 and abuts against the groove wall of the second sealing groove 624, and a second pressing portion 614 is formed at the outer edge of the second housing 620, and the second pressing portion 614 is accommodated in the second sealing groove 624 and abuts against the outer sealing ring 720, so that the outer sealing ring is pressed by the second pressing portion 614 to seal the accommodating cavity. In this embodiment, the outer seal ring 720 is accommodated in the second seal groove 624, so that the convenience of installing the outer seal ring 720 is improved.
As shown in fig. 7, in one embodiment, at least three adjacent battery cells 110 are parallel to improve the space utilization of the battery module 10, so that the battery module 10 is compact.
As shown in fig. 3 and 7, in one embodiment, the battery module 10 further includes a plurality of elastic pads 800, the plurality of elastic pads 800 are disposed at a side of the first mounting frame 210 facing away from the second mounting frame 220 at intervals, the elastic pads 800 are located between the protection plate 400 and the first mounting frame 210, and the elastic pads 800 are respectively in elastic contact with the protection plate 400 and the first mounting frame 210. In this embodiment, when the conductive pins 121 of the conductive metal sheet 120 adjacent to the first mounting frame 210 are welded with the protection plate 400, the welding tool will press down the protection plate 400, and hard contact between the protection plate 400 and the first mounting frame 210 is avoided due to the buffering action of the elastic pad 800, so that the protection plate 400 is prevented from being crushed. Moreover, since the elastic pad 800 is respectively in contact with the protection board 400 and the first mounting frame 210, a receiving space is provided between the protection board 400 and the first mounting frame 210, and the receiving space is used for receiving components on the protection board 400.
As shown in fig. 3, further, the number of the elastic pads 800 is the same as the number of the conductive pins 121 of the conductive metal sheet 120 adjacent to the first mounting frame 210, and the plurality of elastic pads 800 corresponds to the plurality of conductive pins 121 adjacent to the first mounting frame 210 one by one. In the present embodiment, when the conductive pins 121 adjacent to the first mounting frame 210 are welded to the protection board 400, the protection board 400 is stressed at the positions of the conductive pins 121 adjacent to the first mounting frame 210, so that the plurality of elastic pads 800 are in one-to-one correspondence with the plurality of conductive pins 121 adjacent to the first mounting frame 210, so that each elastic pad 800 can fully exert the buffering function.
As shown in fig. 2, in one embodiment, the first mounting frame 210 is formed with at least three socket holes 211, the at least three socket holes 211 are arranged at intervals along the circumferential direction of the first mounting frame 210, the at least three socket holes 211 are arranged in one-to-one correspondence with the at least three battery cells 110, and the first end of each battery cell 110 is located in the corresponding socket hole 211 and is sleeved with the first mounting frame 210.
As shown in fig. 2, in one embodiment, at least two first communicating grooves 212 are formed on a side of the first mounting frame 210 facing away from the second mounting frame 220, and two adjacent socket holes 211 are communicated through one first communicating groove 212, so that at least three socket holes 211 and at least two first communicating grooves 212 together form a first accommodating cavity. As shown in fig. 3, further, the conductive metal sheet 120 adjacent to the first mounting frame 210 is accommodated in the first accommodating cavity, so that the conductive metal sheet 120 adjacent to the first mounting frame 210 is limited in the first accommodating cavity, and the position stability of the conductive metal sheet 120 adjacent to the first mounting frame 210 is improved. In this embodiment, when the soldering of the conductive metal sheet 120 adjacent to the first mounting frame 210 fails, the movement of the corresponding conductive metal sheet 120 is restricted due to the inner wall of the first accommodating cavity, so that the problem of disconnecting the electrical connection of the corresponding conductive metal sheet 120 is suppressed. Further, the first insulating sheet 310 is accommodated in the first accommodating cavity, so that the first insulating sheet 310 is limited in the first accommodating cavity, and the position stability of the first insulating sheet 310 is improved, so as to ensure the insulating effect of the first insulating sheet 310.
As shown in fig. 2, in one embodiment, the second mounting frame 220 is formed with at least three sleeving grooves, the at least three sleeving grooves are arranged along the circumferential direction of the second mounting frame 220 at intervals, the at least three sleeving grooves are arranged in a one-to-one correspondence with the at least three electric cores 110, the second end of each electric core 110 is located in the corresponding sleeving groove and sleeved with the second mounting frame 220, and the second end face of each electric core 110 is abutted with the groove wall of the corresponding sleeving groove so as to limit the axial movement of each electric core 110.
As shown in fig. 4, in one embodiment, at least three accommodating holes are formed on a side of the second mounting frame 220 facing away from the first mounting frame 210, the at least three accommodating holes are in one-to-one correspondence with the at least three socket grooves, at least two second communicating grooves are further formed on a side of the second mounting frame 220 facing away from the first mounting frame 210, and two adjacent accommodating holes are communicated through one second communicating groove, so that the at least three accommodating holes and the at least two second communicating grooves jointly form a second accommodating cavity. Further, the conductive metal sheet 120 adjacent to the second mounting frame 220 is accommodated in the second accommodating cavity, so that the conductive metal sheet 120 adjacent to the second mounting frame 220 is limited in the second accommodating cavity, and the position stability of the conductive metal sheet 120 adjacent to the second mounting frame 220 is improved. In this embodiment, when the soldering of the conductive metal sheet 120 adjacent to the second mounting frame 220 fails, the movement of the corresponding conductive metal sheet 120 is restricted due to the inner wall of the second receiving chamber, so that the problem of disconnection of the corresponding conductive metal sheet 120 is suppressed. Further, the second insulating sheet 320 is accommodated in the second accommodating cavity, so that the second insulating sheet 320 is limited in the second accommodating cavity, and the position stability of the second insulating sheet 320 is improved, so as to ensure the insulating effect of the second insulating sheet 320.
As shown in fig. 5, in one embodiment, the first insulating sheet 310 also completely covers an end face of each of the battery cells 110 adjacent to the first mounting frame 210, that is, the first insulating sheet 310 also completely covers a pole of each of the battery cells 110 adjacent to the first mounting frame 210, so that the pole of each of the battery cells 110 adjacent to the first mounting frame 210 is isolated from the outside, and the short circuit problem of each of the battery cells 110 is suppressed.
As shown in fig. 6, in one embodiment, the second insulating sheet 320 also completely covers an end face of each of the battery cells 110 adjacent to the second mounting frame 220, that is, the second insulating sheet 320 also completely covers a pole of each of the battery cells 110 adjacent to the second mounting frame 220, so that the pole of each of the battery cells 110 adjacent to the second mounting frame 220 is isolated from the outside, and the short circuit problem of each of the battery cells 110 is suppressed.
As shown in fig. 10, in one embodiment, the battery module 10 further includes a pre-fixing ring sleeve 900, at least three connection holes 901 are formed in the pre-fixing ring sleeve 900, at least three electric cells 110 are disposed in a one-to-one correspondence to the at least three connection holes 901, and each electric cell 110 is located in a corresponding connection hole 901 and is connected with the pre-fixing ring sleeve 900, so that the at least three electric cells 110 are sequentially arranged at intervals along the circumferential direction of the pre-fixing ring sleeve 900, two ends of all the electric cells 110 are flush, and positive poles of two adjacent electric cells 110 on the arrangement path of the at least three electric cells 110 are opposite. In the present embodiment, before each cell 110 is mounted on the mounting assembly 200, all the cells 110 are pre-fixed by a pre-fixing ring 900, so that all the cells 110 can be synchronously mounted on the first mounting frame 210 and the second mounting frame 220, and the assembly efficiency of the battery module 10 is improved. It can be appreciated that, in order to achieve the above-mentioned effect of improving the assembly efficiency of the battery module 10, the fixing of the at least three battery cells 110 by the pre-fixing ring 900 in the process of the battery module 10 may be performed by an automation device, and the pre-fixed at least three battery cells 110 may be directly assembled when the battery module 10 is assembled.
It can be appreciated that, since all the battery cells 110 are connected to the pre-fixing ring 900, when one of the battery cells 110 cannot be aligned with the socket hole 211 of the first mounting frame 210 or the socket slot of the second mounting frame 220, the other battery cells 110 are affected to be mounted on the first mounting frame 210 and the second mounting frame 220 smoothly. To overcome the above problems, as shown in fig. 10, in one embodiment, the pre-fastening collar 900 is of an elastic structure, so that the pre-fastening collar 900 has elasticity. When a portion of the battery cells 110 cannot be aligned with the socket holes 211 of the first mounting frame 210 and/or the socket grooves of the second mounting frame 220, the pre-fixing ring 900 has elasticity, and by twisting the corresponding battery cells 110, the corresponding battery cells 110 can be aligned with the corresponding socket holes 211 and/or the corresponding socket grooves, so that all the battery cells 110 can be smoothly mounted on the first mounting frame 210 and the second mounting frame 220.
As shown in fig. 10, in one embodiment, an inner seal ring 710 is formed on the inner side of the pre-fixing ring 900, an outer seal ring 720 is formed on the outer side of the pre-fixing ring 900, the inner seal ring 710 is elastically abutted against the inner edge of the first housing 610 and the inner edge of the second housing 620, and the outer seal ring 720 is elastically abutted against the outer edge of the first housing 610 and the outer edge of the second housing 620, so that the inner seal ring 710 and the outer seal ring 720 seal the accommodating cavity together, and further, external water vapor or liquid is prevented from entering the accommodating cavity, so as to ensure the normal operation of the battery module 10. In this embodiment, the pre-fixing ring 900 has the function of sealing the receiving cavity in addition to the function of pre-fixing at least three cells 110.
In one embodiment, as shown in fig. 10, the pre-fixation collar 900 is an integrally formed structure to enhance the sealing effect of the pre-fixation collar 900.
As shown in fig. 11, in another embodiment, a first seal groove 623 is formed at an inner edge of the second housing 620, at least a portion of the inner seal 710 is located in the first seal groove 623 and abuts a groove wall of the first seal groove 623, a second seal groove 624 is formed at an outer edge of the second housing 620, and at least a portion of the outer seal 720 is located in the second seal groove 624 and abuts a groove wall of the second seal groove 624. In this embodiment, since at least part of the inner seal ring 710 is located in the first seal groove 623, the inner seal ring 710 is limited to be located in the first seal groove 623,
the application also provides a battery hub device, which comprises a hub and the battery module of any embodiment, wherein a part of the hub is arranged in the mounting cavity.
Compared with the prior art, the utility model has at least the following advantages:
the at least three battery cells 110 are sequentially arranged at intervals along the circumferential direction of the first mounting frame 210 and the second mounting frame 220, and on the arrangement path of the at least three battery cells 110, the positive electrode orientation of each battery cell 110 is the same as the negative electrode orientation of the adjacent battery cell 110, so that the at least three battery cells 110 are mounted in the mounting assembly 200 along the circumferential direction of the mounting assembly 200. The at least three battery cells 110 are sequentially connected in series through the at least two conductive metal sheets 120 to form the battery pack 100, and each conductive metal sheet 120 is welded with the corresponding battery cell 110, so that the use of wires to connect the at least three battery cells 110 in series is avoided, the circuit of the battery module 10 is less and concise, the wires of the battery cells 110 connected in series do not need to be combed when the battery module 10 is assembled, and the assembly efficiency of the battery module 10 is improved.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. A battery module, comprising:
the battery pack comprises at least three electric cores and at least two conductive metal sheets;
the mounting assembly comprises a first mounting frame and a second mounting frame which are oppositely arranged at intervals, the first mounting frames are respectively sleeved at the first ends of the battery cells, and the second mounting frames are respectively sleeved at the second ends of the battery cells, so that at least three battery cells are sequentially arranged at intervals along the circumferential directions of the first mounting frames and the second mounting frames; on the arrangement path of at least three electric cores, the positive electrode of each electric core faces the same direction as the negative electrode of the adjacent electric core, at least three electric cores are sequentially connected in series through at least two conductive metal sheets to form the battery pack, and each conductive metal sheet is welded with the corresponding electric core;
the insulating assembly comprises a first insulating sheet and a second insulating sheet, wherein the first insulating sheet is adhered to the conductive metal sheet adjacent to the first mounting frame, the first insulating sheet completely covers one side, away from each cell, of the corresponding conductive metal sheet, the second insulating sheet is adhered to the conductive metal sheet adjacent to the second mounting frame, and the second insulating sheet completely covers one side, away from each cell, of the corresponding conductive metal sheet; and
the protection plate is fixedly connected to one side, adjacent to the first insulating sheet, of the first mounting frame, the positive electrode and the negative electrode of the protection plate are respectively and electrically connected with the positive electrode and the negative electrode of the battery pack, and the detection end of the protection plate is electrically connected with each conductive metal sheet.
2. The battery module of claim 1, further comprising a conductive assembly comprising a positive connection tab and a negative connection tab, the positive connection tab being welded to the positive electrode of the battery pack and the positive electrode of the protective plate, respectively, and the negative connection tab being welded to the negative electrode of the battery pack and the negative electrode of the protective plate, respectively.
3. The battery module of claim 1, wherein the sensing end of the protection plate is welded to the conductive metal sheet adjacent to the first mounting bracket.
4. The battery module according to claim 3, wherein an edge of each of the conductive metal sheets is bent to form a conductive pin, and the conductive pins of the conductive metal sheets adjacent to the first mounting frame are welded to the detection end of the protection plate.
5. The battery module of claim 4, further comprising at least one wire, wherein the conductive leads of the conductive metal sheet adjacent to the second mount are electrically connected to the detection end of the protection plate through one of the wires.
6. The battery module of claim 5, wherein a first end of each of the wires is welded to a conductive pin of the corresponding conductive metal sheet, and a second end of each of the wires is welded to a detection end of the protection plate.
7. The battery module according to claim 1, further comprising a housing, wherein the housing comprises a first housing and a second housing, the first housing is formed with a first annular receiving groove, the first mounting frame is mounted in the first annular receiving groove, the first housing is further formed with a first mounting through hole, and the second housing is of an annular structure; the second shell is provided with a second annular accommodating groove, the second mounting rack is mounted in the second annular accommodating groove, and the second shell is also provided with a second mounting through hole, so that the second shell is of an annular structure;
the first shell is fixedly connected with the second shell, so that the first annular accommodating groove is communicated with the second annular accommodating groove to form an accommodating cavity, each battery cell, the first insulating sheet, the second insulating sheet and the protection plate are all located in the accommodating cavity, and the first mounting through hole is communicated with the second mounting through hole to form a mounting cavity.
8. The battery module of claim 7, further comprising a seal assembly comprising an inner seal ring and an outer seal ring, the inner seal ring being in elastic abutment with the inner edge of the first housing and the inner edge of the second housing, respectively, and the outer seal ring being in elastic abutment with the outer edge of the first housing and the outer edge of the second housing, respectively, such that the inner seal ring and the outer seal ring seal the receiving chamber together.
9. The battery module of claim 7, wherein at least three adjacent cells are parallel.
10. A battery hub device comprising a hub and a battery module according to any one of claims 7 to 9, a portion of the hub being mounted within the mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320050936.XU CN219246877U (en) | 2023-01-06 | 2023-01-06 | Battery module and battery hub device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320050936.XU CN219246877U (en) | 2023-01-06 | 2023-01-06 | Battery module and battery hub device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219246877U true CN219246877U (en) | 2023-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320050936.XU Active CN219246877U (en) | 2023-01-06 | 2023-01-06 | Battery module and battery hub device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219246877U (en) |
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2023
- 2023-01-06 CN CN202320050936.XU patent/CN219246877U/en active Active
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