CN215342873U - Integrated electric connecting plate and battery module - Google Patents
Integrated electric connecting plate and battery module Download PDFInfo
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- CN215342873U CN215342873U CN202121356809.XU CN202121356809U CN215342873U CN 215342873 U CN215342873 U CN 215342873U CN 202121356809 U CN202121356809 U CN 202121356809U CN 215342873 U CN215342873 U CN 215342873U
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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 utility model discloses an integrated electric connecting plate and a battery module, wherein the integrated electric connecting plate comprises a connecting plate body and a connecting plate assembly, the connecting plate body is an injection molding part, a plurality of connecting plates are arranged in the connecting plate assembly, each connecting plate is correspondingly arranged according to the combined structure of the battery module and integrated with the connecting plate body, each connecting plate comprises a connecting plate body and an electric connecting part used for being in contact with a pole, and the connecting plate assembly is used for respectively connecting odd-number-sequence batteries and even-number-sequence batteries in the battery module in series and then connecting the odd-number-sequence batteries and the even-number-sequence batteries in series to form a power supply path of the battery module and enable the positive electrode and the negative electrode of the module to be positioned on the same side. Through with a plurality of connection pieces integration on the connecting plate, module assembly electricity is connected easy operation, connection efficiency is higher, is favorable to the automatic assembly of battery module, is located the homonymy through making battery module positive negative pole simultaneously, and then makes and is connected conveniently between module and the module in the Pack, also need not to use long copper bar during the connection.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to an integrated electric connecting plate and a battery module.
Background
When a conventional battery module is assembled, opposite poles of two adjacent batteries are usually arranged at the same end, and the adjacent batteries are connected in series by a connecting sheet, so that the positive and negative poles of the battery module are respectively located at two sides of the battery module along the length direction of the module. When a plurality of battery modules make up into battery Pack through the series-parallel mode according to voltage and electric quantity demand, for the convenience of using the wiring, the total positive total burden of battery Pack will be in same one side of battery Pack under the general condition.
Because the positive and negative electrodes of the traditional battery module are arranged on two sides, the positive and negative electrodes of the battery module are generally required to be led to the same side during Pack. When the Pack has an odd number of battery modules, a long copper bar is inevitably used, as shown in fig. 1. The presence of long copper bars can lead to the following problems: the total weight of the battery Pack is increased, which is not beneficial to improving the energy density of the Pack; the Pack cost of the battery is increased, the copper material cost is higher, and the market competition of the product is not facilitated; the high-voltage wiring of the battery Pack is complex, the battery Pack is difficult to install, and the insulation protection difficulty is high; the energy consumption of the battery Pack is increased (the internal resistance of the long copper bar is large), so that the energy efficiency of the system is not improved; the sampling difficulty of the battery Pack battery management system is increased, and false abnormity can be generated during sampling because the voltage of a long copper bar is more.
Because a plurality of connection pieces on traditional battery module are independent individuals, need adopt earlier when the assembly connection piece to fix a position a plurality of connection pieces and each battery utmost point post of battery module to weld or other connected modes with battery utmost point post. Just so need design in advance and make connection piece location frock, the connection piece needs the manual work to put one by one on the location frock during the assembly, is unfavorable for the improvement of production beat, and the production of location frock has led to the increase of product research and development cycle and the rising of research and development cost moreover. In addition, the flexible circuit board needs to be connected with each connecting sheet in a laser welding mode or in other modes after the battery module is welded with the connecting sheets, and automation of production of the battery module is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: to the complex operation that battery module electricity connected mode exists among the prior art, connection efficiency is low, be unfavorable for automatic assembly to be equipped with and the problem that the positive negative pole of battery module is located both sides, an integrated electricity link plate and battery module are provided, through integrating a plurality of connection pieces on the connecting plate, electricity is connected easy operation during the assembly of battery module, connection efficiency is higher, be favorable to the automatic assembly of battery module, simultaneously through making battery module positive negative pole be located the homonymy, and then make and be connected conveniently between module and the module in the battery Pack, also need not to use long copper bar during the connection.
In order to achieve the purpose, the utility model adopts the technical scheme that:
the utility model provides an integrate electric connecting plate, includes connecting plate body and connecting plate subassembly, the connecting plate body is injection moulding spare, there are a plurality of connection pieces in the connecting plate subassembly, and each connection piece corresponds according to the integrated configuration of battery module and arranges and integrated as an organic whole with the connecting plate body, every connection piece includes the connecting plate body and is used for the electric connection portion with utmost point post contact, the connecting plate subassembly is arranged in establishing ties after odd number sequence battery and the even number sequence battery respectively the series connection again and forms battery module power supply path and make the positive negative pole of module be located the homonymy.
According to the utility model, the connecting sheets are distributed according to the connecting positions of the battery poles in the module and integrated with the connecting sheet body in an injection molding manner, when the battery module is assembled, all the positions of the connecting sheets relative to the battery poles can be positioned and completed only by positioning the connecting sheet body relative to the module battery, and then the integrated electric connecting plate is fixedly connected with the module battery, so that the electric connecting parts on the connecting sheets are in contact with the battery poles to realize electric connection, the electric connection operation is simple during the assembly of the battery module, the connection efficiency is higher, and the automatic production is facilitated; because each connecting piece arrangement mode in the connecting piece subassembly is to connect odd number sequence battery and even number sequence battery in the battery module respectively and then establish ties for battery module positive negative pole is at the homonymy, and it is convenient to connect between module and the module, also need not to use long copper bar during the connection, and Pack connects high pressure and walks the line simply, and is with low costs, the system energy consumption is low, do not have to stride the copper bar sampling, and the sampling of battery management system is accurate.
As a preferable scheme of the present invention, the connecting sheet assembly includes two output connecting sheets, an adjacent connecting sheet, and a plurality of bridging connecting sheets, the two output connecting sheets are used for being connected with battery poles serving as positive and negative output ends in the battery module respectively, the plurality of bridging connecting sheets are used for being connected with batteries spaced apart in the battery module respectively, and the adjacent connecting sheet is used for being connected with adjacent batteries in the battery module. When carrying out the battery module assembly timing, after odd number sequence battery and even number sequence battery establish ties respectively in with the module through a plurality of cross-over connection pieces, the odd number sequence battery after the rethread adjacency connection piece is connected in series with even number sequence battery respectively to adopt two output connection pieces to link to each other as the battery utmost point post of positive negative output end in respectively with the battery module, owing to adopted the scheme that the battery interval links to each other, make two output connection pieces be located battery module homonymy, avoid series connection between the module to adopt long copper bar.
In a preferred embodiment of the present invention, the connecting pieces of the connecting piece assembly are arranged in an insulating manner and partially cross and overlapped, and two connecting piece bodies overlapped with each other are separated by injection molding and filling of the connecting piece body. So for it has the insulating medium of moulding plastics to fill between two connection piece bodies that overlap each other, avoids two connection pieces of crossing to take place the electric connection short circuit condition.
As a preferred aspect of the present invention, each connecting piece in the connecting piece assembly is provided with a reinforcing hole a and a reinforcing hole B, where the reinforcing hole a is located around the electrical connection portion on the connecting piece, and the reinforcing hole B is located on the connecting piece body. So set up, when the connection piece carries out an organic whole with the connecting plate body and moulds plastics, the liquid of moulding plastics can flow in all reinforcement holes A and reinforcement hole B, has improved the adhesive force of connection piece with the connecting plate body, has guaranteed the reliability that the two is connected.
As a preferred scheme of the utility model, the connecting plate body is provided with a flexible circuit board, and the flexible circuit board is provided with a plurality of nickel sheets for connecting with each connecting sheet. So, make battery module's flexible circuit board also integrateed in advance on the connecting plate body for this electric link plate that integrates has integrateed the high pressure and has connected and be connected with the low pressure, can further improve production efficiency.
As a preferable scheme of the present invention, each of the electrical connection portions is provided with a mounting hole for mounting a connecting member, and the connecting plate body is provided with a connecting through hole corresponding to the mounting hole. When carrying out battery module assembly time-spent, adopt the screw to penetrate the connecting hole on the connecting plate body, the mounting hole in the electricity connecting portion as the connecting piece in proper order usually and link to each other with the screw hole on battery utmost point post top behind the mounting hole to with the connection piece on electricity connecting portion and battery utmost point post top surface compress tightly the contact, make connection piece and utmost point post electricity be connected reliably and convenient to detach.
In a preferred embodiment of the present invention, the electrical connection portion has a protruding portion for contacting a battery post, the mounting hole penetrates the protruding portion, and an inclined buffer portion is connected between the connecting sheet body and the protruding portion. When the parallelism of the electric connection part of the connecting sheet and the surface of the battery pole is not good enough, when the screw is fastened, the buffer part of the connecting sheet can deform along the extension, so that the electric connection part of the connecting sheet is completely attached to the battery pole, and the connecting sheet and the battery pole form good electric contact.
As a preferable scheme of the utility model, the connecting plate body is further provided with a limiting part, and the limiting part is used for limiting the position of the connecting plate body relative to the module battery. When this electricity link plate integrates of installation, fix a position the back through the spacing with the connecting plate body for the module battery, can make each connection piece accomplish for the whole location of battery utmost point post position, need not to fix a position the connecting plate body with the help of extra frock, battery module assembly operation convenient and fast more.
As a preferable scheme of the utility model, the edge of the connecting through hole on the connecting plate body is provided with a protective convex ring, and the top surface of the protective convex ring is higher than the top of the connecting piece arranged in the connecting through hole. So set up, can avoid battery module in the assembling process, the metal tool is with arbitrary two or more than two connection piece short circuits, leads to dangerous the emergence.
The utility model provides a battery module, includes a plurality of batteries that arrange in proper order and above the electricity connection plate integrates, it can dismantle with the module battery and be connected to integrate the electricity connection plate to make the electric connection portion on each connection piece contact with corresponding battery utmost point post.
This battery module includes a plurality of battery and integrated electricity link plate, and electricity connection easy operation, connection efficiency are higher, are favorable to automated production, integrate to be connected between electricity link plate and the battery and adopt to dismantle and be connected, make things convenient for follow-up battery to reprocess and echelon utilization, and the positive negative pole of this battery module is located the homonymy simultaneously, and then makes and is connected conveniently between Pack's middle module and the module, also need not to use long copper bar during the connection.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. according to the utility model, the connecting sheets are distributed according to the connecting positions of the battery poles in the module and integrated with the connecting sheet body in an injection molding manner, when the battery module is assembled, all the positions of the connecting sheets relative to the battery poles can be positioned and completed only by positioning the connecting sheet body relative to the module battery, and then the integrated electric connecting plate is fixedly connected with the module battery, so that the electric connecting parts on the connecting sheets are in contact with the battery poles to realize electric connection, the electric connection operation is simple during the assembly of the battery module, the connection efficiency is higher, and the automatic production is facilitated; because the arrangement mode of each connecting sheet in the connecting sheet assembly is to connect the odd-numbered sequence batteries and the even-numbered sequence batteries in the battery module respectively and then connect the odd-numbered sequence batteries and the even-numbered sequence batteries in series, the positive and negative electrodes of the battery module are on the same side, the module and the module are convenient to connect, a long copper bar is not needed to be used during connection, the Pack connection high-voltage wiring is simple, the cost is low, the system energy consumption is low, the copper bar crossing sampling is avoided, and the battery management system is accurate in sampling;
2. when the battery module is assembled, after the odd-numbered sequence batteries and the even-numbered sequence batteries in the module are respectively connected in series through the plurality of bridging connection sheets, the respectively connected odd-numbered sequence batteries and even-numbered sequence batteries are connected in series through the adjacent connection sheets, and two output connection sheets are respectively connected with battery poles serving as positive and negative output ends in the battery module;
3. the flexible circuit board is integrated on the connecting plate body, and the flexible circuit board is provided with the plurality of nickel sheets connected with the connecting sheets, so that the flexible circuit board of the battery module can be pre-integrated on the connecting plate body, the integrated electric connecting plate integrates high-voltage connection and low-voltage connection, and the production efficiency can be further improved;
4. this battery module includes a plurality of battery and integrated electricity link plate, and electricity connection easy operation, connection efficiency are higher, are favorable to automated production, integrate to be connected between electricity link plate and the battery and adopt to dismantle and be connected, make things convenient for follow-up battery to reprocess and echelon utilization, and the positive negative pole of this battery module is located the homonymy simultaneously, and then makes and is connected conveniently between Pack's middle module and the module, also need not to use long copper bar during the connection.
Drawings
Fig. 1 is a schematic diagram illustrating the connection of a conventional battery module in a Pack.
FIG. 2 is a top view of the integrated electrical connector panel of the present invention.
Fig. 3 is a bottom view of fig. 2.
Figure 4 is a perspective view of the link assembly of figure 2.
Fig. 5 is a schematic structural view of the connecting piece a in fig. 4.
Fig. 6 is a schematic sectional view taken along line L-L in fig. 2.
Fig. 7 is a schematic view of a battery module according to the present invention.
Fig. 8 is a plan view of fig. 7 with the integrated electrical connection board hidden.
Fig. 9 is a schematic view of the connection between each connecting piece and the battery post in fig. 7.
The labels in the figure are: 1-connecting plate body, 11-connecting through hole, 12-protecting convex edge, 13-protecting convex ring, 14-explosion-proof through hole, 2-connecting plate component, 21-connecting plate P, 22-connecting plate N, 23-connecting plate M, 24-connecting plate A, 25-connecting plate B, 26-connecting plate C, 201-connecting plate body, 202-electric connecting part, 203-reinforcing hole A, 204-reinforcing hole B, 205-mounting hole, 206-buffer part, 3-flexible circuit board, 31-nickel plate, 4-battery pole, 5-module end plate, 6-module pull plate, 7-screw and S-integrated electric connecting plate.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Example 1
The embodiment provides an integrated electric connection board;
as shown in fig. 2-6, the integrated electrical connection board in this embodiment includes a connection board body 1 and a connection board assembly 2, the connection board body 1 is an injection molding part, the connection board assembly 2 has a plurality of connection boards therein, and each connection board is correspondingly arranged according to a combination structure of a battery module and integrated with the connection board body 1 during injection molding, each connection board includes a connection board body 201 and an electrical connection portion 202 for contacting with a terminal, the connection board assembly 2 is used for connecting odd-numbered sequence batteries and even-numbered sequence batteries in the battery module in series respectively and then connecting the odd-numbered sequence batteries and the even-numbered sequence batteries in series to form a battery module power supply path, and the positive and negative poles of the module are located at the same side.
According to the utility model, the connecting sheets are distributed according to the connecting positions of the battery poles in the module and integrated with the connecting sheet body in an injection molding manner, when the battery module is assembled, all the positions of the connecting sheets relative to the battery poles can be positioned and completed only by positioning the connecting sheet body relative to the module battery, and then the integrated electric connecting plate is fixedly connected with the module battery, so that the electric connecting parts on the connecting sheets are in contact with the battery poles to realize electric connection, the electric connection operation is simple during the assembly of the battery module, the connection efficiency is higher, and the automatic production is facilitated; because each connecting piece arrangement mode in the connecting piece subassembly is to connect odd number sequence battery and even number sequence battery in the battery module respectively and then establish ties for battery module positive negative pole is at the homonymy, and it is convenient to connect between module and the module, also need not to use long copper bar during the connection, and Pack connects high pressure and walks the line simply, and is with low costs, the system energy consumption is low, do not have to stride the copper bar sampling, and the sampling of battery management system is accurate.
In this embodiment, the connecting piece assembly 2 includes two output connecting pieces, an adjacent connecting piece and a plurality of bridging connecting pieces, the two output connecting pieces are used for being connected with battery poles serving as positive and negative output ends in the battery module respectively, the plurality of bridging connecting pieces are used for being connected with batteries spaced apart in the battery module respectively, and the adjacent connecting piece is used for being connected with adjacent batteries in the battery module. When carrying out the battery module assembly timing, after odd number sequence battery and even number sequence battery establish ties respectively in with the module through a plurality of cross-over connection pieces, the odd number sequence battery after the rethread adjacency connection piece is connected in series with even number sequence battery respectively to adopt two output connection pieces to link to each other as the battery utmost point post of positive negative output end in respectively with the battery module, owing to adopted the scheme that the battery interval links to each other, make two output connection pieces be located battery module homonymy, avoid series connection between the module to adopt long copper bar.
Specifically, in this embodiment, the output connecting piece is substantially L-shaped, and includes connecting piece P21 and connecting piece N22; the adjacent connecting sheet is a connecting sheet M23; the bridging connecting piece is approximately in an Contraband shape and comprises two connecting pieces A24, three connecting pieces B25 and three connecting pieces C26, wherein the connecting pieces A24, the connecting pieces B25 and the connecting pieces C26 are combined to be used for respectively connecting odd-numbered sequence batteries and even-numbered sequence batteries in the module, and the connecting pieces M23 are used for connecting the respectively connected odd-numbered batteries and even-numbered batteries in series.
In this embodiment, each connecting plate body 201 of the connecting plate assembly 2 has a portion protruding upward relative to the electrical connection portion 202, the portion protruding upward on the connecting plate body 201 is located on the upper side of the connecting plate body 1, and the electrical connection portion 202 is located on the lower side of the connecting plate body 1. So, make on the connecting piece part embedding connecting plate body, both integrated effectual connection pieces can not drop, lie in the position of connecting plate body upside on the connecting plate body simultaneously, be convenient for carry out the electricity with the nickel piece on the flexible circuit board and be connected.
In this embodiment, each connecting piece in the connecting piece assembly 2 is formed by stamping a metal plate, and the whole connecting piece is subjected to nickel plating treatment to improve the corrosion resistance and the conductivity. Each connection piece is moulding plastics integratively back with connecting plate body 1, has the part to be located connecting plate body 1 upside on the connection piece body 201, preferably, connection piece body 201 partial embedding connecting plate body 1, and connection piece body 201 upper surface is higher than connecting plate body 1 upper surface slightly to nickel piece on the flexible circuit board carries out welded connection after the overlap joint with the connection piece and connects.
In this embodiment, the connecting sheets in the connecting sheet assembly 2 are partially overlapped in an intersecting manner in an insulating manner, and the connecting sheet bodies 201 on two mutually overlapped connecting sheets are separated by injection molding and filling of the connecting sheet body 1. So for it has the insulating medium of moulding plastics to fill between two connection piece bodies that overlap each other, avoids two connection pieces of crossing to take place the electric connection short circuit condition. As shown in fig. 6, the distance a between the connecting piece bodies of the two connecting pieces (connecting piece B25 and connecting piece C26) determines the filling thickness of the injection molding insulating medium of the connecting piece bodies, and the filling thickness of the injection molding insulating medium is required to meet the requirement of the insulation and voltage resistance between the upper and lower connecting piece bodies.
In this embodiment, each connecting piece in the connecting piece assembly 2 is provided with a reinforcing hole a203 and a reinforcing hole B204, wherein the reinforcing hole a203 is located around the electrical connection portion 202 on the connecting piece, and the reinforcing hole B204 is located on the connecting piece body 201. So set up, when the connection piece carries out an organic whole with the connecting plate body and moulds plastics, the liquid of moulding plastics can flow in all reinforcement holes A and reinforcement hole B, has improved the adhesive force of connection piece with the connecting plate body, has guaranteed the reliability that the two is connected.
In this embodiment, the aperture of the reinforcing hole a203 is smaller than the aperture of the reinforcing hole B204. The reinforcing hole A is positioned around the electric connection part on the connecting sheet, and the available space at the position is small, so that the aperture of the reinforcing hole A is small, and the arrangement of the electric connection part is prevented from being influenced; because the reinforcing hole B is positioned on the connecting sheet body, and the available space at the position is larger, the reinforcing hole B with larger aperture is arranged, so that the adhesive force between the connecting sheet body and the connecting sheet body is enhanced as much as possible.
In this embodiment, the flexible circuit board 3 is arranged on the connecting plate body 1, the flexible circuit board 3 is provided with a plurality of nickel sheets 31 connected with the connecting sheets, and the nickel sheets 31 on the flexible circuit board 3 are connected with the connecting sheets at the upper side of the connecting plate body 1 by welding after being lapped. So, make battery module's flexible circuit board also integrateed in advance on the connecting plate body for this electric link plate that integrates has integrateed the high pressure and has connected and be connected with the low pressure, can further improve production efficiency. Of course, the Flexible Circuit Board (Flexible Printed Circuit, abbreviated as FPC) may be replaced by FFC (tin-plated flat copper wire) or PCBA Board (Printed Circuit Board Assembly) according to the requirement.
In this embodiment, each of the electrical connection portions 202 is provided with a mounting hole 205 for mounting a connector, and the connection plate body 1 is provided with a connection through hole 11 corresponding to the mounting hole 205. When carrying out battery module assembly time-spent, adopt the screw to penetrate the connecting hole on the connecting plate body, the mounting hole in the electricity connecting portion as the connecting piece in proper order usually and link to each other with the screw hole on battery utmost point post top behind the mounting hole to with the connection piece on electricity connecting portion and battery utmost point post top surface compress tightly the contact, make connection piece and utmost point post electricity be connected reliably and convenient to detach.
In this embodiment, the electrical connection portion 202 has a protrusion for contacting with a battery post, the mounting hole 205 penetrates through the protrusion, and an inclined buffer portion 206 is connected between the connecting sheet body 201 and the protrusion. When the parallelism of the electric connection part of the connecting sheet and the surface of the battery pole is not good enough, when the screw is fastened, the buffer part of the connecting sheet can deform along the extension, so that the electric connection part of the connecting sheet is completely attached to the battery pole, and the connecting sheet and the battery pole form good electric contact.
In this embodiment, the protruding portion on the electrical connection portion 202 is a circular plane adapted to the top end of the battery post and protruding toward one side of the battery post, a mounting hole 205 for a screw to pass through is formed in the center of the protruding portion, and a connection through hole 11 for a screw to pass through is formed in the connection plate body 1 corresponding to the mounting hole. Of course, can understand, the bulge on the electricity connecting portion also can be designed into other fungible structures in this embodiment, for the outstanding shell fragment formula U type plug of orientation battery utmost point post (need not to set up the mounting hole) if designing, and correspond on battery utmost point post and offer the slot of matcing, during the installation through connecting piece both ends U type plug card income battery utmost point post slot, make U type plug both sides and utmost point post slot inner wall form pressure contact and realize the electricity and be connected, the process of screwing up the screw has been saved, connection efficiency is higher.
In this embodiment, the connecting plate body 1 is further provided with a limiting portion, and the limiting portion is used for limiting the position of the connecting plate body 1 relative to the module battery. When this electricity link plate integrates of installation, fix a position the back through the spacing with the connecting plate body for the module battery, can make each connection piece accomplish for the whole location of battery utmost point post position, need not to fix a position the connecting plate body with the help of extra frock, battery module assembly operation convenient and fast more.
In this embodiment, spacing portion is for surrounding the protection chimb 12 that sets up in connecting plate body 1 downside periphery edge, and the inner wall of protection chimb 12 and module battery outside carry out nested cooperation. When this electricity link plate integrates of installation, this protection chimb and the outside cooperation of module battery play limiting displacement to the connecting plate body for need not to hand the connecting plate body when screwing up the screw, and the torsion that the moment of torsion rifle produced can not drive connection piece and connecting plate body rotation.
In this embodiment, the edge of the connecting through hole 11 on the connecting plate body 1 is provided with a protective convex ring 13, and the top surface of the protective convex ring 13 is higher than the top height of the connecting piece arranged in the connecting through hole 11. So set up, can avoid battery module in the assembling process, the metal tool is with arbitrary two or more than two connection piece short circuits, leads to dangerous the emergence.
In this embodiment, still evenly be equipped with a plurality of and the corresponding explosion-proof through-hole 14 of each battery explosion-proof valve on the connecting plate body 1 to dodge the explosion-proof valve at battery top, so as to avoid influencing when explosion-proof valve explodes to be obstructed, the unable timely blowout of high temperature medium leads to battery internal pressure to last the increase, and then leads to the battery to explode. The lower side edge of the explosion-proof through hole 14 is provided with continuous bulges in a surrounding manner, so that the explosion-proof through hole can form protection, the structural strength of the connecting plate body can be enhanced, and the arranged bulges also have a drainage effect, so that a high-temperature medium is directionally sprayed out, other batteries are not spread, and the whole module thermal runaway is caused.
Example 2
As shown in fig. 7-9, this embodiment provides a battery module, including a plurality of batteries that arrange in proper order and the integrated electricity link plate S of embodiment 1 in proper order, all batteries are arranged in a row and every two battery positive negative poles adopt the homonymy to arrange (as the +, -sign at battery top in fig. 8), still include two module end plates 5 and two module arm-tie 6, two battery sides of outermost end are located respectively to module end plate 5, module arm-tie 6 is located module end plate both sides respectively, integrated electricity link plate S sets up in group battery upper portion to electric connection portion 202 on each connection piece adopts screw 7 with corresponding battery utmost point post 4 top to be connected.
This battery module includes a plurality of battery and integrated electricity link plate, set up the module end plate relatively through the group battery both ends of arranging in a row, the module arm-tie that utilizes both sides makes each battery hug closely, the electricity link plate that will integrate detains on the group battery, and make the electric connection portion on each connection piece can dismantle with corresponding battery utmost point post top and be connected and realize the electric contact, module assembly electricity is connected easy operation, connection efficiency is higher, be favorable to automated production, it adopts the screw to dismantle the connection to be connected to integrate to be connected between electricity link plate and the battery, convenient follow-up battery is reprocessed and is stepped to be utilized, this battery module positive negative pole is located the homonymy simultaneously, and then make and be connected between module and the module in the battery Pack convenient, also need not to use long copper bar during the connection.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides an integrate electric connecting plate, its characterized in that, includes connecting plate body and connecting plate subassembly, the connecting plate body is injection moulding spare, there are a plurality of connection pieces in the connecting plate subassembly, and each connection piece corresponds to arrange and integrated as an organic whole with the connecting plate body according to the integrated configuration of battery module, every connection piece includes the connecting plate body and is used for the electric connection portion with utmost point post contact, the connecting plate subassembly is arranged in establishing ties between them after odd number sequence battery and the even number sequence battery in the battery module series connection respectively and forms battery module power supply route and make the positive negative pole of module be located the homonymy.
2. The integrated electrical connection plate of claim 1, wherein the connection plate assembly comprises two output connection plates for connecting with battery posts of the battery module as positive and negative output terminals, respectively, an adjacent connection plate for connecting with adjacent batteries of the battery module, and a plurality of bridging connection plates for connecting with battery posts of the battery module as positive and negative output terminals, respectively.
3. An integrated electrical connector board according to claim 1 or claim 2, wherein the connecting pieces of the connecting piece assembly are arranged in an insulating manner to be partially crossed and overlapped, and two connecting piece bodies overlapped with each other are separated by injection molding and filling of the connecting piece bodies.
4. An integrated electrical connection plate according to claim 3, wherein each connection plate in the connection plate assembly is provided with a reinforcement hole A and a reinforcement hole B, wherein the reinforcement hole A is located around the electrical connection portion on the connection plate, and the reinforcement hole B is located on the connection plate body.
5. An integrated electrical connection board according to claim 1 or 2, wherein the connection board body is provided with a flexible circuit board, and the flexible circuit board is provided with a plurality of nickel sheets for connecting with each connection sheet.
6. The integrated electric connecting plate according to claim 1 or 2, wherein each electric connecting portion is provided with a mounting hole for mounting a connecting piece, and the connecting plate body is provided with a connecting through hole corresponding to the mounting hole.
7. The integrated electric connection plate of claim 6, wherein the electric connection portion has a protrusion for contacting with a battery post, the mounting hole penetrates through the protrusion, and an inclined buffer portion is connected between the connection plate body and the protrusion.
8. The integrated electrical connection plate of claim 7, wherein the connection plate body is further provided with a position limiting portion for limiting the position of the connection plate body relative to the module battery.
9. The integrated electric connection board according to claim 8, wherein the connection board body is provided with a protection convex ring at the edge of the connection through hole, and the top surface of the protection convex ring is higher than the top of the connection piece arranged in the connection through hole.
10. A battery module comprising a plurality of batteries arranged in sequence and an integrated electrical connection plate according to any one of claims 1 to 9, wherein the integrated electrical connection plate is detachably connected to the battery module and allows electrical connections on each connection tab to contact corresponding battery posts.
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| CN202121356809.XU CN215342873U (en) | 2021-06-18 | 2021-06-18 | Integrated electric connecting plate and battery module |
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| CN202121356809.XU CN215342873U (en) | 2021-06-18 | 2021-06-18 | Integrated electric connecting plate and battery module |
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| CN215342873U true CN215342873U (en) | 2021-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4303991A1 (en) * | 2022-07-07 | 2024-01-10 | Black & Decker, Inc. | Battery pack |
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2021
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4303991A1 (en) * | 2022-07-07 | 2024-01-10 | Black & Decker, Inc. | Battery pack |
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Address after: 361000 201-1, complex building 5, No. 11, Butang Middle Road, torch high tech Zone (Tongxiang) industrial base, Xiamen, Fujian Patentee after: Xiamen Haichen Energy Storage Technology Co.,Ltd. Address before: 361000 201-1, complex building 5, No. 11, Butang Middle Road, torch high tech Zone (Tongxiang) industrial base, Xiamen, Fujian Patentee before: Xiamen Haichen New Energy Technology Co.,Ltd. |