CN209747582U - single-string battery module and multi-string battery module - Google Patents
single-string battery module and multi-string battery module Download PDFInfo
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- CN209747582U CN209747582U CN201822277239.XU CN201822277239U CN209747582U CN 209747582 U CN209747582 U CN 209747582U CN 201822277239 U CN201822277239 U CN 201822277239U CN 209747582 U CN209747582 U CN 209747582U
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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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- Battery Mounting, Suspending (AREA)
Abstract
The embodiment of the utility model discloses single cluster battery module and many clusters battery module, single cluster battery module includes the battery support, a plurality of battery monomer, first backing plate, the second backing plate, water conservancy diversion spare and locking screw, wherein, the battery support sets up first holding tank and second holding tank, the battery monomer includes battery body and utmost point ear, the battery monomer is located first holding tank, utmost point ear, first backing plate, second backing plate and water conservancy diversion spare all are located the second holding tank, first screw hole is established to first backing plate, the second screw hole is established to the second backing plate, the third screw hole is established to the water conservancy diversion spare, locking screw passes first screw hole in proper order, second screw hole and third screw hole assembly, first backing plate and second backing plate are located the free both sides of a plurality of batteries respectively, the water conservancy diversion spare is located between two adjacent utmost point ears. Through the mode, the lugs of the battery monomers are fixed in a compressed mode, mounting holes do not need to be formed in the lugs, the use safety of the battery is guaranteed, and the battery fixing device is convenient to mount.
Description
Technical Field
The embodiment of the utility model provides a relate to the battery module field, especially relate to a single cluster battery module and many clusters of battery modules.
Background
In recent years, lithium batteries are widely used, especially in the field of power supplies. The traditional battery module fixing and mounting design is to design a battery bracket for mounting a battery, arrange a threaded hole on the battery bracket, drill a mounting hole at a tab of the battery, and fix the battery and the battery bracket by using a screw. However, punching holes on the tabs of the battery can seriously destroy the overcurrent capacity of the tabs of the battery and increase the internal resistance of the tabs, so that the temperature of the battery is easily increased in an operating state, and the use safety of the battery is affected.
SUMMERY OF THE UTILITY MODEL
the embodiment of the utility model provides a single cluster battery module and many strings of battery modules that aim at providing safe in utilization.
In order to solve the above technical problem, an embodiment of the present invention adopts a technical solution that: provided is a single string battery module including:
the battery bracket comprises a first accommodating groove and a second accommodating groove, and the first accommodating groove is communicated with the second accommodating groove;
each single battery comprises a battery body and a lug, the battery body is accommodated and mounted in the first accommodating groove, and the lug is accommodated and mounted in the second accommodating groove;
The first base plate is provided with a first threaded hole, is arranged in the second accommodating groove and is positioned at the bottom of the second accommodating groove;
The second base plate is provided with a second threaded hole and is arranged in the second accommodating groove, and the first base plate and the second base plate are respectively positioned on two sides of the plurality of single batteries;
The flow guide pieces are provided with third threaded holes, and each flow guide piece is positioned between the lugs of the two adjacent single batteries;
and the locking screw penetrates through the second threaded hole, the third threaded hole and the first threaded hole in sequence to be assembled, so that the first base plate, the second base plate and the flow guide piece are fixed, and meanwhile, the lug is pressed.
Optionally, a groove is arranged on the flow guide piece;
The single-string battery module further comprises a supporting block, the supporting block is contained in the groove, a fourth threaded hole is formed in the position, opposite to the third threaded hole, of the supporting block, and the fourth threaded hole is matched with the locking screw.
Optionally, the single-string battery module further comprises a frosting piece, and the frosting piece is located at the bottom of the first accommodating groove.
Optionally, the single-string battery module further includes foam, the foam is attached to each of the battery bodies, and one foam is included between two adjacent battery bodies.
In order to solve the above problem, the embodiment of the present invention adopts another technical solution as follows: the utility model provides a many strings of battery module, includes foretell single string of battery module, and, single string of battery module is two at least, still includes connecting screw, connecting screw is used for with a plurality of single string of battery module concatenates.
optionally, the multiple strings of battery modules further include a circuit board, a first mounting hole is formed in a position, opposite to the first connecting hole, of the circuit board, and the connecting screw penetrates through the first connecting hole and the first mounting hole to fix the multiple single strings of battery modules and the circuit board.
Optionally, a second connecting hole is formed in one side surface of the flow guide piece;
The multi-string battery module further comprises a confluence assembly and a fixing screw, and a second mounting hole is formed in the confluence assembly and is opposite to the second connecting hole;
Wherein the fixing screw is fitted through the second mounting hole and the second connection hole, and the bus bar assembly is for electrical connection with the circuit board.
Optionally, the bus assembly comprises a positive bus bar, a negative bus bar, and a series bus bar;
The positive bus bar piece and the negative bus bar piece are electrically connected with the circuit board, and the serial bus bar piece is used for connecting at least two single-string battery modules in series.
Optionally, the multiple strings of battery modules further include an end cover and a pressing plate, the end cover is located outside the bus bar assembly, the pressing plate and the circuit board are located on two sides of the multiple single strings of battery modules respectively, and the end cover and the pressing plate are fixedly connected.
optionally, the plurality of strings of battery modules further include an insulating plate located between the plurality of single strings of battery modules and the pressing plate to separate the plurality of single strings of battery modules from the pressing plate.
The embodiment of the utility model provides a beneficial effect is: because first backing plate and second backing plate are located a plurality of free both sides of battery respectively to be located relative position with utmost point ear, and be equipped with a water conservancy diversion piece between two adjacent free utmost point ears of battery, locking screw is in the fixed first backing plate of locking, water conservancy diversion piece and second backing plate, utmost point ear can be extrudeed, thereby realize compressing tightly utmost point ear, fixed a plurality of battery monomer, and need not assemble through punching on utmost point ear, the free integrality of battery and the security in the use have been guaranteed, and simple to operate.
Drawings
Fig. 1 is an assembly view of a multi-string battery module according to an embodiment of the present invention;
fig. 2 is a partial assembly view of the multi-string battery module shown in fig. 1;
Fig. 3 is an exploded view of a single string of battery modules of the multi-string battery module shown in fig. 1;
Fig. 4 is a partially enlarged view of the single string battery module shown in fig. 3;
Fig. 5 is another partially enlarged view of the single string of battery modules shown in fig. 3;
Fig. 6 is an exploded view of the multi-string battery module shown in fig. 1.
Referring to fig. 1 to 6,100 is a multi-string battery module, 10 is a single-string battery module, 20 is a connecting screw, 30 is a circuit board, 40 is a bus bar assembly, 50 is an end cap, 60 is a pressing plate, 70 is an insulating plate, 11 is a battery holder, 12 is a battery cell, 13 is a first backing plate, 14 is a second backing plate, 15 is a flow guide, 16 is a supporting block, 17 is a locking screw, 111 is a first accommodating groove, 112 is a second accommodating groove, 113 is an extending portion, 114 is a first connecting hole, 115 is a buckling groove, 116 is a buckling portion, 121 is a battery body, 122 is a tab, 151 is a first body, 152 is a second body, 153 is a third body, 154 is a groove, 155 is a second connecting hole, 156 is a third threaded hole, 161 is a fourth threaded hole, 162 is a positive electrode avoiding groove, 41 is a bus bar, 42 is a negative electrode bus bar, 43 is a serial bus bar, 61 is a body portion, and 62 is an assembling portion.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured 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 be present. The terms "vertical," "horizontal," "left," "right," "inner," "outer," and the like as used herein are for descriptive purposes only.
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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2 together, a multi-string battery module 100 according to an embodiment of the present invention includes a plurality of single-string battery modules 10, a connecting screw 20, a circuit board 30, a bus bar assembly 40, a fixing screw (not shown), an end cap 50, a pressing plate 60 and an insulating plate 70, wherein the connecting screw 20 sequentially passes through the insulating plate 70, the plurality of single-string battery modules 10 and the circuit board 20 and fixes the insulating plate 70, the plurality of single-string battery modules 10 and the circuit board 20, the insulating plate 70 and the circuit board 20 are respectively located at two sides of the plurality of single-string battery modules 10, the fixing screw fixes the bus bar assembly 40 and the plurality of single-string battery modules 10, the bus bar assembly 40 is located at the other side perpendicular to the insulating plate 70 and the circuit board 20, the end cap 50 is fixed to the pressing plate 60, wherein the end cap 50 and the manifold assembly 40 are located on the same side, and the end cap 50 is located outside the manifold assembly 40, the pressure plate 60 and the insulation plate 70 are located on the same side, and the pressure plate 60 is located outside the insulation plate 70.
Referring to fig. 3, the single-string battery module 10 includes a battery support 11, a plurality of battery cells 12, a first backing plate 13, a second backing plate 14, a flow guide member 15, a support block 16, a locking screw 17, a frosting sheet (not shown), and foam (not shown), the locking screw 17 connects and fixes the first backing plate 13, the plurality of battery cells 12, the flow guide member 15, and the second backing plate 14 in series, the first backing plate 13 and the second backing plate 14 are respectively located at two sides of the plurality of battery cells 12, the flow guide member 15 is located between two adjacent battery cells 12, the plurality of battery cells 12, the first backing plate 13, the second backing plate 14, the flow guide member 15, the locking screw 17, the frosting sheet, and the foam are accommodated in the battery support 11, and the foam is adhered to one surface of each battery cell 12.
Referring to fig. 4, the battery bracket 11 is made of plastic material and is provided with a first receiving groove 110 and a second receiving groove 111, the number of the first receiving grooves 111 is one, the number of the second receiving grooves 112 is two, both the second receiving grooves 112 are communicated with the first receiving groove 111 and are located on the same side of the first receiving groove 111, and the two second receiving grooves 112 are arranged at intervals.
The battery bracket 11 is further provided with three extending portions 113, one extending portion 113 is located between two second receiving grooves 112, and the other two extending portions are located on the first receiving groove 111, away from the side wall of the second receiving groove 112, and are spaced at a certain distance.
the battery rack 11 is provided with first connection holes 114 for connecting the plurality of battery modules 100 in series, the number of the first connection holes 114 corresponds to the number of the extension portions 113, each of the extension portions 113 is provided with one first connection hole 114, and the first connection hole 114 of each of the extension portions 113 penetrates through the extension portion 113.
alternatively, the number of the extension portions 113 may be two or four, or even more.
The battery support 11 is further provided with a fastening groove 115, the fastening groove 115 is rectangular and is located on the outer surface of the side wall of the second receiving groove 112, and is located on the outer surface of the two opposite side walls of the two second receiving grooves 112 of each battery support 11, and the fastening groove 115 is used for fastening.
the battery bracket 11 is further provided with a fastening portion 116 corresponding to the fastening groove 115, the fastening portion 116 is located right below the fastening groove 115, the fastening portion 116 extends outwards from the bottom of the second accommodating groove 112, and the fastening portion 116 is in a hook shape. When a plurality of the single-string battery modules 10 are connected in series to form a plurality of the single-string battery modules 100, two adjacent single-string battery modules 10 are fastened to each other. For example, when the battery holder 11 of one single-string battery module 10 located at the bottom is used as a first battery holder, and the battery holder 11 located above and adjacent to the first battery holder is used as a second battery holder, the fastening portion 116 on the second battery holder and the fastening groove 115 on the first battery holder are fastened and fixed when the battery holder is mounted.
In this embodiment, the purpose of providing the fastening groove 115 and the fastening part 116 on each battery support 11 is that after the plurality of single-string battery modules 10 are connected in series to form one multi-string battery module 100 through the connecting screw 20, the plurality of single-string battery modules 10 are further fixed by the fastening part 116 and the fastening groove 115 in a mutually matching manner, so that the multi-string battery module 100 formed by the combination is more stable and more secure.
optionally, the battery holder 11 is further provided with a plurality of heat dissipation holes (not labeled) in an oblong shape, the heat dissipation holes are located in the first accommodation groove 111 and are through holes, and the heat dissipation holes are used for dissipating heat of the plurality of cells 12 in the battery holder 11 through air convection.
Optionally, the battery bracket 11 is further provided with a connection hole (not shown) for assembling with the locking screw 17, and the connection hole is located at the bottom of the second receiving groove 112.
Referring to fig. 5, the battery unit 12 includes a battery body 121 and two tabs 122, the tabs 122 are connected to the battery body 121 for electrical connection, and the two tabs 122 represent a positive electrode and a negative electrode of a power supply respectively. In the embodiment of the present invention, the battery 12 is a lithium battery.
the number of the battery cells 12 is at least two.
The first backing plate 13 and the second backing plate 14 have the same structure, and are used for matching with the flow guide member 15 and the supporting block 16 to press the tab 122, so as to fix the plurality of battery cells 12.
The first base plate 13 is provided with a first threaded hole (not marked) for assembling with the locking screw 17, the second base plate 14 is provided with a second threaded hole (not marked) for assembling with the locking screw 17, the first threaded hole and the second threaded hole are through holes, the number of the first threaded hole and the second threaded hole is two, and the first threaded hole and the second threaded hole are respectively located at opposite positions.
the flow guide 15 is made of a conductive material, preferably copper. Besides being used for compressing the tabs 122 and fixing the battery cells 12, the battery cell connector is also used for electrically connecting the battery cells 12 with an external circuit, and has a function of current conduction.
The flow guide 15 includes a first body 151, a second body 152, and a third body 153, wherein the second body 152 and the third body 153 respectively extend outward from two sides of the first body 151, the second body 152 and the third body 153 are perpendicular to the first body 151, a groove 154 is defined between the first body 151, the second body 152, and the third body 153, and the groove 154 is used for receiving the supporting block 16.
the first body 151 is provided with two second connection holes 155 for assembling with the junction block 40, and optionally, the first body 151 extends to form two protrusions (not shown), the two protrusions are located in the groove 154 and located at opposite positions to the two second connection holes 155, the two second connection holes 155 respectively extend to the two protrusions, or the two second connection holes 155 respectively penetrate through the two protrusions. Preferably, threads are arranged in the two protrusions, so that the confluence assembly 40 and the guide member 15 are fixed in a threaded manner.
Two third threaded holes 156 are respectively formed in the second body 152 and the third body 153, and the two third threaded holes 156 formed in the second body 152 and the two third threaded holes 156 formed in the third body 153 are located at opposite positions, and the third threaded holes 156 are used for being assembled with the locking screws 17.
The support block 16 is used to cooperate with the flow guide 15 to fill the groove 154 on the flow guide 15 so as to compress the tab 122.
two fourth threaded holes 161 are formed in the supporting block 16 at positions opposite to the third threaded holes 156, and the two fourth threaded holes 161 penetrate through the supporting block 16 and are used for being assembled with the locking screws 17. A position avoiding groove 162 is further formed in the supporting block 16 at a position opposite to the protrusion of the flow guide 15, and the position avoiding groove 162 is used for avoiding the protrusion after the supporting block 16 is assembled into the groove 154.
In this embodiment, the locking screw 17 is mainly used to fix the first backing plate 13, the flow guide member 15, the support block 16 and the second backing plate 14, so as to compress the tab 122, fix a plurality of battery cells 12, and form the single-string battery module 10, and the locking screw 17 may be a countersunk screw.
In this embodiment, the first threaded hole, the second threaded hole, the third threaded hole 156, and the fourth threaded hole 161 may be provided as through holes without threads, and the locking screw 17 passes through the first pad 13, the deflector 15, the support block 16, and the second pad 14 and is locked and fixed by a nut.
Further, the frosting piece is a metal sheet structure processed by frosting, in this embodiment, the frosting piece is used for preventing the burr on the battery bracket 11 from damaging the battery body 121, and the frosting piece is used for protecting the battery body 121.
The foam can be made of EVA material and is used for being stuck to each battery body 121, and the foam has a damping effect on the battery bodies 121.
Referring to fig. 6, a plurality of circuit modules are mounted on the circuit board 30 for electrically connecting to the plurality of single-string battery modules 10. Specifically, the circuit board 30 is used to electrically connect to a plurality of tabs 122, so as to electrically connect a plurality of battery cells 12 to an external circuit through the circuit board 30.
A first mounting hole (not shown) is formed in the circuit board 30 at a position opposite to the first connection hole 114, and the first mounting hole is used for being assembled with the connection screw 20. Optionally, a thread is arranged in the first mounting hole, and one end of the connecting screw rod 20 is mounted in the first mounting hole; optionally, the first mounting hole is not provided with a thread, and one end of the connecting screw rod 20 passes through the first mounting hole and is locked by a nut.
The bus bar assembly 40 is made of a metal material with conductive performance, the bus bar assembly 40 includes a positive bus bar 41, a negative bus bar 42 and a serial bus bar 43, the number of the tabs 122 on each single battery 12 is two, which represents a positive electrode and a negative electrode, and the tabs need to be electrically connected with the positive electrode and the negative electrode of an external circuit to use the electrical property of the multiple strings of battery modules 100. Therefore, the series connection bus bar 43 is used for connecting at least two single battery modules 10 to be connected in series, and the positive electrode bus bar 41 and the negative electrode bus bar 42 are both used for electrically connecting the tabs 122 of the single battery modules 10 and an external circuit to the corresponding positive electrode and negative electrode.
In this embodiment, the number of the flow guiding members 15 is plural, the current collecting assembly 40 is used for realizing connection and fixation through a plurality of fixing screws and a plurality of the flow guiding members 15, and the positive current collecting member 41, the negative current collecting member 42 and the series current collecting member 43 of the current collecting assembly 40 are all provided with the second mounting holes.
In this embodiment, the number of the positive bus bar 41 and the number of the negative bus bar 42 are one, and the number of the serial bus bar 43 is plural, when installing, at least two of the current guides 15 of the single battery modules 10 that need to be connected in series are installed through the plural serial bus bars 43 to realize serial connection, and then the positive bus bar 41 and the negative bus bar 42 are installed with the corresponding current guides 15, and finally, the positive bus bar 41, the negative bus bar 42 and the circuit board 30 can be electrically connected by means of a lead, and finally, the circuit board 30 can be electrically connected with an external circuit.
The end cap 50 is made of plastic material and is used for shielding the bus bar assembly 40, so as to prevent external factors from affecting the bus bar assembly 40, such as liquid or dust, and simultaneously prevent external factors from affecting the connection between the bus bar assembly 40 and the circuit board 30.
The end cap 50 is provided with a plurality of recesses (not shown), and the size, the distance and the number of the recesses are designed according to the bus bar assembly 40, so as to avoid the bus bar assembly 40.
optionally, a mounting hole (not shown) for mounting with the pressure plate 60 is provided in one of the recesses at one end, and is used for mounting with the pressure plate 60 in a threaded manner, optionally, the mounting hole may not be provided, and the end cover 50 and the pressure plate 60 may also be fixed in a manner of adhesive.
the pressing plate 60 is a sheet metal part and is mainly used for shielding and protecting the plurality of single-string battery modules 10, the pressing plate includes a main body part 61 and an assembling part 62, the assembling part 62 extends from one end of the main body part 61 close to the end cover 50, the assembling part 62 is perpendicular to the main body part 61, and a hole site (not shown) for installing with the end cover 50 is arranged on the assembling part 62. In this embodiment, the end cap 50 and the pressing plate 60 are fixed by screwing.
because the clamp plate 60 is the sheet metal component, on the single cluster battery module 10 battery monomer 12 has electric conductivity, insulation board 70 is used for separating the clamp plate 60 with single cluster battery module 10 avoids the clamp plate 60 with produce the interference between the single cluster battery module 10. Optionally, the insulating plate 70 has a through hole for the connection screw 20 to pass through.
Note that, when the foam on the battery cell 12 closest to the pressure plate 60 is attached to one surface of the battery body 121 close to the pressure plate 60, the insulating plate 70 may be omitted, and the foam itself may have insulating properties and may replace the insulating plate 70.
in this embodiment, assuming that each single battery module 10 includes three battery cells 12, the number of the flow guide member 15 and the number of the support block 16 are four, the number of the locking screws 17 is four, the number of the first backing plate 13 and the number of the second backing plate 14 are two, the number of the sanding sheets is one, and the three battery cells 12 are respectively set as a first battery cell, a second battery cell and a third battery cell.
one installation manner of the single-string battery module 10 is to paste foam on the first battery cell, the second battery cell and the third battery cell, respectively, place the frosted sheet in the battery bracket 11, install one support block 16 in each of the flow guide members 15, sequentially pass two locking screws 17 through one first backing plate 13, the first battery cell, one flow guide member 15, one support block 16, the second battery cell, the other flow guide member 15, the other support block 16, the third battery cell and the second backing plate 14, operate the other two locking screws 17 in the same manner, and finally, place the two locking screws 17 together in the battery bracket 11. In this way, the tab 122 of the first battery cell is compressed between the first backing plate 13 and the air guide member 15, the tab 122 of the second battery cell is compressed between the air guide member 15 and the air guide member 15, and the tab 122 of the third battery cell is compressed between the second backing plate 14 and the air guide member 15, so as to fix a plurality of battery cells 12.
in this embodiment, assuming that each of the plurality of strings of battery modules 100 includes four single strings of battery modules 10, and the four single strings of battery modules 10 are respectively set as a first single string of battery modules, a second single string of battery modules, a third single string of battery modules, and a fourth single string of battery modules, the plurality of strings of battery modules 100 further includes one bus bar assembly 40, two connecting screws 20, one circuit board 30, one end cap 50, one pressure plate 60, and one insulation plate 70.
One way of installing the multiple strings of battery modules 100 is to pass two of the connecting screws 20 through the insulating plate 70, the first single string of battery modules, the second single string of battery modules, the third single string of battery modules, the fourth single string of battery modules, and the circuit board 30 in sequence, fix the bus bar assembly 40, and assemble the flow guide 15 on the multiple single string of battery modules 10 through the fixing screws, fix the end cover 50 and the pressing plate 60 through a screw connection, and place the end cover 50 and the pressing plate 60 outside the multiple single string of battery modules 10, where the end cover 50 and the bus bar assembly 40 are located on the same side, and the pressing plate 60 and the insulating plate 70 are located on the same side.
in the technical scheme of this application, many strings of battery module 100 include a plurality of single string of battery module 10, connecting screw 20, circuit board 30 and the subassembly 40 that converges, through connecting screw 20 will be a plurality of single string of battery module 10 with circuit board 30 concatenates fixedly, and, through the subassembly 40 that converges realizes a plurality of single string of battery module 10 with circuit board 30 realizes the electricity and connects, and through circuit board 30 realizes a plurality of single string of battery module 10 and external circuit realize the electricity and connect.
Further, the single-string battery module 10 includes a plurality of battery cells 12, a first backing plate 13, a second backing plate 14, a diversion member 15 and a locking screw 17, wherein, each battery cell 12 includes a battery body 121 and a tab 122, be equipped with first screw hole on the first backing plate 13, be equipped with the second screw hole on the second backing plate 14, be equipped with third screw hole 156 on the diversion member 15, first screw hole, second screw hole and third screw hole 156 all be used for with the locking screw 17 assembles. The tab 122 of each battery cell 12 is positioned between the first pressing plate 13 and the flow guide 15, between the flow guide 15 and the flow guide 15, and between the flow guide 15 and the second pressing plate 14, and the tabs 122 of two adjacent battery cells 12 are not in contact with each other. Through locking screw 17 passes in proper order first screw hole, third screw hole 156 with the second screw hole is fixed first clamp plate 13, water conservancy diversion spare 15 with second clamp plate 14 realizes compressing tightly simultaneously utmost point ear 122, and then it is fixed a plurality of battery monomer 12 makes battery monomer 12 need not be in punching the installation on utmost point ear 122 guarantees battery monomer 12's integrality makes battery monomer 12 uses safelyr, simple to operate moreover.
Further, the single-string battery module 10 further includes a supporting block 16, the supporting block 16 is located in the flow guide member 15, the supporting block 16 is also assembled with the locking screw 17, and the supporting block 16 supports the flow guide member 15, so that the tab 122 is pressed more tightly, and the battery cell 12 is not easy to fall off.
It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. a single-string battery module, comprising:
The battery bracket comprises a first accommodating groove and a second accommodating groove, and the first accommodating groove is communicated with the second accommodating groove;
each single battery comprises a battery body and a lug, the battery body is accommodated and mounted in the first accommodating groove, and the lug is accommodated and mounted in the second accommodating groove;
The first base plate is provided with a first threaded hole, is arranged in the second accommodating groove and is positioned at the bottom of the second accommodating groove;
The second base plate is provided with a second threaded hole and is arranged in the second accommodating groove, and the first base plate and the second base plate are respectively positioned on two sides of the plurality of single batteries;
The flow guide pieces are provided with third threaded holes, and each flow guide piece is positioned between the lugs of the two adjacent single batteries;
And the locking screw penetrates through the second threaded hole, the third threaded hole and the first threaded hole in sequence to be assembled, so that the first base plate, the second base plate and the flow guide piece are fixed, and meanwhile, the lug is pressed.
2. The single-string battery module according to claim 1,
The flow guide piece is provided with a groove;
the single-string battery module further comprises a supporting block, the supporting block is contained in the groove, a fourth threaded hole is formed in the position, opposite to the third threaded hole, of the supporting block, and the fourth threaded hole is matched with the locking screw.
3. The single-string battery module according to claim 1,
The single-string battery module further comprises a grinding piece, and the grinding piece is located at the bottom of the first accommodating groove.
4. the single-string battery module according to claim 1,
The single-string battery module further comprises foam, the foam is pasted on each battery body, and one foam is arranged between every two adjacent battery bodies.
5. a multi-string battery module, comprising a plurality of single-string battery modules according to any one of claims 1 to 4, wherein at least two single-string battery modules are provided, and further comprising connecting screws for connecting the plurality of single-string battery modules in series.
6. The multi-string battery module according to claim 5,
The battery bracket is provided with a first connecting hole;
Still include the circuit board on the many strings of battery module, on the circuit board with the position that first connecting hole is relative is equipped with first mounting hole, connecting screw passes first connecting hole and first mounting hole, and is fixed a plurality of single string of battery module with the circuit board.
7. The multi-string battery module according to claim 6,
A second connecting hole is formed in one side face of the flow guide piece;
The multi-string battery module further comprises a confluence assembly and a fixing screw, and a second mounting hole is formed in the confluence assembly and is opposite to the second connecting hole;
wherein the fixing screw is fitted through the second mounting hole and the second connection hole, and the bus bar assembly is for electrical connection with the circuit board.
8. The multi-string battery module according to claim 7,
The bus assembly comprises a positive bus piece, a negative bus piece and a serial bus piece;
The positive bus bar piece and the negative bus bar piece are electrically connected with the circuit board, and the serial bus bar piece is used for connecting at least two single-string battery modules in series.
9. The multi-string battery module according to claim 7,
the multi-string battery module further comprises an end cover and a pressing plate, the end cover is located outside the confluence assembly, the pressing plate and the circuit board are respectively located on two sides of the single-string battery modules, and the end cover and the pressing plate are fixedly connected.
10. The multi-string battery module according to claim 9,
the multi-string battery module further comprises an insulating plate, wherein the insulating plate is located between the single-string battery modules and the pressing plate and separates the single-string battery modules and the pressing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277239.XU CN209747582U (en) | 2018-12-29 | 2018-12-29 | single-string battery module and multi-string battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822277239.XU CN209747582U (en) | 2018-12-29 | 2018-12-29 | single-string battery module and multi-string battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209747582U true CN209747582U (en) | 2019-12-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822277239.XU Active CN209747582U (en) | 2018-12-29 | 2018-12-29 | single-string battery module and multi-string battery module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023072073A1 (en) * | 2021-10-29 | 2023-05-04 | 比亚迪股份有限公司 | Tab lead-out assembly, pole core assembly, battery, battery pack, and vehicle |
| WO2024055236A1 (en) * | 2022-09-15 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and method for manufacturing battery |
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2018
- 2018-12-29 CN CN201822277239.XU patent/CN209747582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023072073A1 (en) * | 2021-10-29 | 2023-05-04 | 比亚迪股份有限公司 | Tab lead-out assembly, pole core assembly, battery, battery pack, and vehicle |
| WO2024055236A1 (en) * | 2022-09-15 | 2024-03-21 | 宁德时代新能源科技股份有限公司 | Battery, electric device, and method for manufacturing battery |
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Address after: 518000 19th floor, building 1, kaidar group center building, No. 168, Tongsha Road, Xinwei community, Xili street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen Delian Minghai New Energy Co.,Ltd. Address before: 701-3, building 2, kaidar group center building, 168 Tongsha Road, Xili street, Nanshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Poweroak Newener Co.,Ltd. |
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