CN208641768U - Battery unit wire connections, battery module and battery pack - Google Patents

Battery unit wire connections, battery module and battery pack Download PDF

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Publication number
CN208641768U
CN208641768U CN201690000738.0U CN201690000738U CN208641768U CN 208641768 U CN208641768 U CN 208641768U CN 201690000738 U CN201690000738 U CN 201690000738U CN 208641768 U CN208641768 U CN 208641768U
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CN
China
Prior art keywords
battery unit
plate
lead
battery
wire connections
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Active
Application number
CN201690000738.0U
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Chinese (zh)
Inventor
洪淳昌
朴真弘
尹贤基
金普铉
朱宰贤
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LG Energy Solution Ltd
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LG Chemical Co Ltd
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/211Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227Organic material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H01M50/291Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/533Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The utility model relates to battery unit wire connections, battery module and battery packs.The battery unit wire connections of the utility model one aspect may include: main frame, form the wall body opposite with the battery unit lead of the battery unit of stacking;And lead connecting elements can be powered or energy is insulated be installed on main frame, be equipped to that combination can be inserted into one by one with battery unit lead each other to be multiple.

Description

Battery unit wire connections, battery module and battery pack
Technical field
The present invention relates to battery unit wire connections, more specifically, are related to a kind of for making the battery list of stacking Battery unit wire connections member series connection and/or be connected in parallel.
The application is as to South Korea patent application the 10-2015-0116248th preferential filed on August 18th, 2015 Power advocates application, refers to all the elements disclosed in the specification accordingly applied and attached drawing in this application.
Background technique
The secondary cell of present commercialization has nickel-cadmium cell, nickel-metal hydride battery, nickel-zinc cell, lithium secondary battery etc., wherein lithium Secondary cell is compared with the secondary cell of nickel series, due to hardly happening memory effect, charge and discharge freedom, self-discharge rate very Low, the high advantage of energy density and attract tremendous attention.
Lithium type oxide and carbon material are mainly used separately as positive active material and negative electrode active by this lithium secondary battery Substance.Lithium secondary battery has the positive plate that this positive active material and negative electrode active material has been respectively coated and negative plate will Partition be set between configured electrode assembly, electrode assembly is sealed to the outer packing of storage together with electrolyte, i.e., it is electric Pond shell.
In general, shape of the lithium secondary battery according to outer packing, can be divided into the tank that electrode assembly is built in metal can Type secondary cell and electrode assembly are built in the bag type secondary battery of the sack of aluminum laminate sheet.
Recently, it is not only the midget plant of such as portable electronic device, secondary cell is also widely used in internal combustion to be utilized Machine and/or electromotor ensure the electric car of driving force.In the electric car, including hybrid vehicle, plug-in Formula hybrid vehicle and without internal combustion engine and only with electromotor and battery-driven pure electric automobile etc..
When being used for this electric car, in order to improve capacity and power, a large amount of secondary cell series connection and/or parallel connection are even It connects.Especially in large and medium-sized device, due to the advantages of being easy stacking, bag type secondary battery is largely used.
On the other hand, previous battery module uses laser welding mode to be electrically connected secondary cell.For example, such as Shown in Fig. 1, the secondary cell 1 of stacking makes the battery unit lead 2 folded using laser after folding battery unit lead 2 Part is welded, so as to be electrically connected to each other.
Although this laser welding mode has ensured the strong welding power between battery unit lead 2, but have the disadvantage that. First, initial cost and maintenance cost caused by occurring because of application laser-beam welding machine.Second, the folder of welding application object occurs Tool design and manufacturing cost.Third, it is difficult to individually remove the battery unit degenerated on bad battery unit and balancing of battery cell. 4th, resource needed for establishing initial weld condition increases, and welding sequence causes the activity duration to increase.5th, when welding, exist The worry of short-circuit (short) occurs between battery unit lead.
Summary of the invention
The technical problem to be solved in the present invention
Therefore, the present invention was developed to solve the above-mentioned problems., provides a kind of with female type insertion electricity Pool unit lead portion, so as to the battery unit wire connections for being electrically connected secondary cell.
Other objects of the present invention and advantage can be understood by following the description, by means of the embodiment of this explanation, be incited somebody to action More clearly understand.In addition it can be easy to know, objects and advantages of the present invention can be by means of the claimed model of the present invention It encloses device of middle display and combinations thereof and realizes.
Solve the scheme of technical problem
According to an aspect of the present invention, a kind of battery unit wire connections can be provided, comprising: main frame, Form the wall body for being located at the battery unit lead extending direction of battery unit of stacking;And lead connecting elements, it is multiple, phase It can be powered between mutually or insulated can be installed on the main frame, be equipped to be inserted into one by one with the battery unit lead In conjunction with.
According to another aspect of the present invention, including in the form of from the main frame towards battery unit lead protrusion The grounding parts of outfit, the grounding parts can have the 1st plate and the 2nd plate, and the 1st plate and the 2nd plate are in the form of symmetrical It is configured to width and increasingly narrows to a direction by pre-determined size, clamps the two sides of the battery unit lead.
According to another aspect of the invention, the grounding parts can be equipped with the conductive material with elastic recovering force, So that the width between the 1st plate and the 2nd plate keeps set.
According to another aspect of the invention, the 1st plate may be integrally formed with the 2nd plate, and terminal part is separated into To the curved form of mutual opposite direction.
According to another aspect of the invention, the lead connecting elements can further include intensity reinforcement part, and the intensity adds Strong portion is incorporated into the lateral surface of the 1st plate and the 2nd plate in the form of surrounding the 1st plate and the 2nd plate.
It according to another aspect of the invention, can further include energization component, the energization component connects the multiple lead At least two lead connecting elements is electrically connected in connection member.
According to another aspect of the invention, the energization component can be by at least combination of certain one in cable and busbar It constitutes.
According to another aspect of the invention, the main frame, which has from one side, protrudes extended multiple next doors, described more A next door and the multiple lead connecting elements configure with alternateing one by one each other along short transverse.
According to another aspect of the invention, the next door can at least extend longerly than the lead connecting elements.
It according to another aspect of the invention, can further include partition frame, the partition frame is in the main frame and institute It states and forms wall body between the battery unit of stacking, and in the position for corresponding to the lead connecting elements, have the battery Unit lead can by through hole.
It according to another aspect of the invention, can further include basic framework, the main frame 2 are a pair, are separated set Interval configuration, the basic framework are connected to the lower end of 2 main frames, are equipped with plate morphology.
Another form according to the present invention can provide a kind of battery mould including the battery unit wire connections Block.
Another form according to the present invention can provide a kind of battery pack including the battery module.
Invention effect
According to an aspect of the present invention, one kind can be provided, battery unit lead portion is inserted into female type, so as to The battery unit wire connections for being enough electrically connected battery unit.
According to this battery unit wire connections, the battery unit lead bender needed without original welding manner Sequence and welding sequence can simply carry out the electrical connection between battery unit lead, can save mounting cost and maintenance Expense.Furthermore it is possible to significantly shorten the electrical connection activity duration between secondary cell.
It according to another aspect of the present invention, can be easily when initial preparation test phase has bad battery unit Remove bad battery unit.In addition, can be readily removable and replace battery list in, in terms of the operation of large-scale power device The battery unit degenerated in member balance (Cell Balancing).
Detailed description of the invention
Fig. 1 is the figure of connected structure between the battery unit lead using laser welding mode for showing conventional art.
Fig. 2 is the perspective view for being shown schematically as the composition of battery module of one embodiment of the invention.
Fig. 3 is the perspective view of the battery unit wire connections of Fig. 2.
Fig. 4 is the major part sectional view of the battery unit wire connections of Fig. 2.
Fig. 5 is the perspective view for showing the lead connecting elements and energization component of one embodiment of the invention.
Fig. 6 is to show that the partial enlargement of the forward and backward state of connection between the lead connecting elements of Fig. 2 and battery unit lead is vertical Body figure.
Fig. 7 is the battery module major part sectional view of Fig. 2.
Fig. 8 is the perspective view for being shown schematically as the battery module of another embodiment of the present invention and constituting.
Fig. 9 is the major part sectional view of the battery module of Fig. 8.
Specific embodiment
With reference to the accompanying drawings, the preferred embodiments of the present invention are described in detail.Before this, this specification and present invention request Term or word used in the range of protection must not be defined in common or dictionary meaning and explain, should be based on invention It is artificial with the best approach illustrates the invention of its own and can suitably define the principle of the concept of term, be construed to and the present invention The technical idea meaning and concept that are consistent.
Therefore, constituting for illustrating in the embodiment and attached drawing recorded in this specification is only of the invention most preferred For one embodiment, and it is not all represent technical idea of the invention, thus be interpreted as in the application time point, Ke Yiyou The equivalent and variation of its multiplicity can be substituted.
In addition, in the description of the present invention, when judgement thinks that related known composition or illustrating for function may be mixed When the gist of the invention of confusing, description is omitted.
Implementation form of the invention is provided to more completely illustrate the present invention to those of ordinary skill, therefore, For more specific explanation, form and dimension of the constituent element in attached drawing etc. can be exaggerated, omits or roughly be illustrated.Cause This, the size or ratio of each component not reflect actual size or ratio comprehensively.
Fig. 2 is the perspective view for being shown schematically as the composition of battery module of one embodiment of the invention.
If the battery module 10 of one embodiment of the invention includes battery module laminated body 100 and battery list referring to Fig. 2 First wire connections 200.
Battery module laminated body 100 is laminated by battery unit 110.In order to provide high stacking in the space of restriction Rate, battery unit 110 preferably can be template battery unit 110, and one or both sides and adjacent battery unit 110 are Face to face Stacked arrangement forms battery unit laminated body 100.
Although it is not shown, but battery unit laminated body 100 can further include that required stacking frame is laminated in battery unit 110 Frame.Stacking uses frame as the composition for being used for laminated cell 110, can clamp battery unit 110 and prevent its travelling, energy It constitutes with being layered on top of each other, guides the assembling of battery unit 110.
Battery unit 110 includes the electrode assembly being made of positive plate, diaphragm and negative plate, be can be from each battery list The multiple anode ears and negative electrode lug of positive plate and the negative plate protrusion of member 110, have been electrically connected positive wire and negative wire (hereinafter defined as battery unit lead 111).
Wherein, battery unit 110 can be pouch-type battery cell 110.Pouch-type battery cell 110 can have will be electric Pole component is built in the state of the outer packing shell of the laminate including resin layer and metal layer, to the outer peripheral surface of outer packing shell into Row thermal welding and the structure sealed.
This battery unit laminated body 100 can be electrically connected by means of battery unit wire connections 200.
Fig. 3 is the perspective view of the battery unit wire connections of Fig. 2, and Fig. 4 is the battery unit wire connections of Fig. 2 Major part sectional view, Fig. 5 is the perspective view for showing the lead connecting elements and energization component of one embodiment of the invention, figure 6 be the enlarged partial isometric view for showing the forward and backward state of connection between the lead connecting elements of Fig. 2 and battery unit lead, and Fig. 7 is The major part sectional view of the battery module of Fig. 2.
If the battery unit wire connections 200 of one embodiment of the invention include main frame referring to these attached drawings 210, lead connecting elements 220, energization component 230 and basic framework 240.
Main frame 210 is the wall body to form 111 extending direction of battery unit lead of the battery unit 110 positioned at stacking Composition.In the main frame 210, multiple lead connecting elements 220 and energization component 230 can be combined with.The present embodiment Although main frame 210 does not illustrate in detail, can be made of front frame 211 and back side frame 212.
Front frame 211 can be equipped to the structure detachably combined each other with back side frame 212, to form inside Space.Moreover, front frame 211 can have the multiple slits communicated with inner space or through-hole (not shown).
By the inner space and multiple slits or through-hole (not shown), multiple lead connecting elements 220 and logical Electric components 230 can be installed on main frame 210.Main frame 210 can be for example molded of plastic material, but as long as being electric insulation Property material, then can be used.
Main frame 210 can be configured at one side or the two sides of battery unit laminated body 100.For example, such as Fig. 2 and Fig. 3 Shown, in the present embodiment, main frame 210 is equipped with 2, and plate face can be towards the battery unit lead of each battery unit 110 The configuration of 111 ground.That is, 2 main frames 210 can be configured to correspond respectively to extend on the basis of battery unit 110 to two directions Positive wire and negative wire.
But it is different from the present embodiment, main frame 210 may be one.That is, with regard to positive wire and negative wire to list For the extended battery unit 110 in direction, it can only be configured at the one side of battery unit laminated body 100.
Main frame 210, which can have from one side, protrudes extended multiple next doors 213.The multiple next door 213 can edge Short transverse, frame 211 is equipped with being spaced from each other one by one in front.
Interval or height can correspond to the thickness of a battery unit 110 between the multiple next door 213.Battery list The battery unit lead 111 of some battery unit 110 in first laminated body 100 can be located at 2 next doors 213 to adjoin each other Between.In addition, next door 213 can at least extend longerly than lead connecting elements 220.
Therefore, the battery unit lead 111 of the battery unit 110 of stacking is located at the space isolated by each next door 213, The short circuit between battery unit lead 111 can thus be prevented.
Lead connecting elements 220 can be equipped with multiple as the composition connecting with battery unit lead 111.Lead connection Component 220 can be by 2 times of outfits of number corresponding with 110 numbers of battery unit of stacking.That is, multiple lead connecting elements 220 number can be number corresponding with 111 numbers of battery unit lead of battery unit 110 of stacking.Moreover, multiple draw Connecting member 220 can mutually be handed over along the short transverse of each main frame 210 with multiple next doors 213 one by one each other Alternately configure.
If the lead connecting elements 220 of the present embodiment may include that grounding parts 221 and intensity are reinforced referring to Fig. 4 and Fig. 5 Portion 222.
Grounding parts 221 are female type (Receptacle Type), have the space for allowing battery unit lead 111 to be inserted into, Play the role of clamping at least part of of battery unit lead 111.Grounding parts 221 can be from main frame 210 towards battery The form that unit lead 111 protrudes is equipped with.For example, as shown in figure 4,221 one end of grounding parts can be installed with interference fit type In the slit (not shown) of front frame 211.
Grounding parts 221 are configured to fold a plate symmetrical above and belowly, split the narrow entrance of form with end.? In the present embodiment, grounding parts 221 may include the 1st plate 221a and the 2nd plate 221b as shown in Figures 4 and 5.This 1st plate 221a It is the element conceptually distinguished with the 2nd plate 221b, these the 1st plate 221a and the 2nd plate 221b can of course be assembled mutually or one It is body formed.
As shown in figure 4, the one end of the 1st plate 221a and the 2nd plate 221b can be form interconnected.Moreover, the 1st plate 221a and the 2nd plate 221b, can portion is in the form of symmetrical at one end, after width is widened, to direction by pre-determined Size D it is more and more narrow.
Wherein, the pre-determined size D of the width can be width at least smaller than 111 thickness of battery unit lead. That is, the 1st plate 221a and the 2nd plate 221b, which are configured to the width between medial surface opposite each other, at least to be had less than battery list The width of first 111 thickness of lead, or with the part mutually to connect.
Moreover, grounding parts 221 can be equipped with the conductive material with elastic recovering force, so as to the 1st plate 221a Width between the 2nd plate 221b keeps set.Therefore, the 1st plate 221a and the 2nd plate 221b has elastic recovering force, thus i.e. It opens end because of external force, if external force disappears, can return to original form.
It is constituted according to this grounding parts 221, as shown in FIG. 6 and 7, battery unit lead 111 is inserted into the 1st plate Gap between 221a and the 2nd plate 221b.At this point, there is the 1st plate 221a and the 2nd plate 221b width to be less than battery unit lead The front end of 111 thickness, thus after the insertion grounding parts 221 of battery unit lead 111, the two sides of battery unit lead 111 can borrow It helps the elastic recovering force of the 1st plate 221a and the 2nd plate 221b and is jammed, grounding parts 221 can be stably attached to.
In addition, the 1st plate 221a and the 2nd plate 221b can by terminal part to mutual opposite direction it is curved in the form of formed.Such as Shown in the O of Fig. 4, the terminal part of the 1st plate 221a and the 2nd plate 221b are bent to mutual opposite direction, can be successfully by battery list First lead 111 is inserted into grounding parts 221.
Intensity reinforcement part 222 is the composition for increasing the mechanical rigid of grounding parts 221.The intensity reinforcement part 222 can With the combination of shape and state to surround the 1st plate 221a and the 2nd plate 221b in the lateral surface of the 1st plate 221a and the 2nd plate 221b.Especially such as Shown in Fig. 4 and Fig. 5, the intensity reinforcement part 222 of the present embodiment can with the curved shape of terminal part, be incorporated into the 1st plate 221a and The lateral surface of 2nd plate 221b.
At this point, the side of intensity reinforcement part 222 can be incorporated into the width of the 1st plate 221a and the 2nd plate 221b maximumly Point, the other side, that is, curved terminal part can be incorporated into the smallest place of width of the 1st plate 221a and the 2nd plate 221b.
By this intensity reinforcement part 222, grounding parts 221 can inhibit excessive deformation, and rigidity is kept in structure.
The lead connecting elements 220 is as previously mentioned, in 111, battery unit lead with battery unit laminated body 100 Corresponding each height is set, can be installed on main frame 210 multiple.Moreover, at least two in multiple lead connecting elements 220 Lead connecting elements 220 can be electrically connected to each other by energization component 230.
For example, if the battery unit laminated body 100 of the present embodiment is by 4 110 structures of battery unit referring to Fig. 2 and Fig. 7 At 100 two sides battery unit lead 111 of battery unit laminated body can be inserted into respectively is connected to battery unit wire connections 200 lead connecting elements 220.Moreover, lead connecting elements 220 can divide by twos by means of energization component 230 It does not connect.
At this point, in such a way that positive wire is located at the same direction after laminated cell 110, by battery unit lead 111 It is inserted into respective lead connecting elements 220 respectively, then battery unit 110 can be connected in parallel.
In addition, being located on another 110 positive wire of battery unit with the negative wire of some battery unit 110 After mode laminated cell 110, battery unit lead 111 is inserted into respective lead connecting elements 220, then battery unit 110 It can be connected in series.
Certainly, the battery unit laminated body 100 of the present embodiment for attached drawing convenience and only by 4 110 structures of battery unit At, but battery unit laminated body 100 can also be made of 5 or more battery units 110, for the series connection between battery unit 110 And/or be connected in parallel, it is configured to make 3 or more lead connecting elements 220 to connect by energization component 230 or a certain A energization component 230 is connect with another energization component 230 by another energization component 230.
Energization component 230 in the form of being attached to the outside of main frame 210 or can be embedded in internal form configuration.At this In embodiment, it is configured to the inside that energization component 230 is configured at main frame 210.As described above, energization component 230 is configured at work Inside the main frame 210 of insulator, so as to further decrease 110 short circuit risks of battery unit.
Energization component 230 is used as conductor, can be made of the combination of at least certain one in cable and busbar.In this implementation In example, energization component 230 can be the busbar of plate form.The energization component 230 may be constructed as by section substantially bending AtThe upper plate and lower plate portions of form are connected to the one end of 2 lead connecting elements 220.For example, the upper plate It can be bolted or weld with the one end of lead connecting elements 220 respectively with lower plate.Certainly, energization component 230 can also To be integrally formed with 2 lead connecting elements 220.
Basic framework 240 is plate morphology, is the composition for supporting battery unit laminated body 100.This basic framework 240 mentions For capableing of the environment of laminated cell 110.Therefore, the battery unit for the battery unit 110 being laminated on basic framework 240 draws Line 111 can be arranged in parallel each other along short transverse.On the basis of basic framework 240, if battery unit lead 111 Positioned at set height, then, connecting with the insertion of respective lead connecting elements 220 will be easier.
The basic framework 240 of the present embodiment can be integrally formed with 2 main frames 210.That is, basic framework 240 can be with The form that both ends are connected to 2 210 lower ends of main frame is equipped with.
According to the composition of battery unit wire connections 200 present invention as described above, with previous welding manner It compares, the electrical connection between battery unit 110 can be easier.In addition, in 10 test phase of initial cells module, if there is bad electricity Pool unit then can be removed it easily, moreover, in terms of the operation of large and medium-sized electric device, can easily remove and The battery unit degenerated in replacement balancing of battery cell (Cell Balancing).
Fig. 8 is the perspective view for being shown schematically as the composition of battery module of another embodiment of the present invention, and Fig. 9 is the electricity of Fig. 8 The major part sectional view of pond module.
Referring to Fig. 8 to Fig. 9, the battery unit wire connections 200 of another embodiment of the present invention are illustrated. Identical element number represents identical component, omits the repeated explanation to identical components, is with the difference with previous embodiment Master is illustrated.
The battery unit wire connections 300 of another embodiment of the present invention are configured to be different from previous embodiment, lead Connecting elements 320 may be integrally formed with energization component 330, and energization component 330 is attached to the outside of main frame 310.
The battery unit laminated body 100 of the present embodiment can be made of totally 8 battery units 110.Moreover, each battery unit 110 positive wire and negative wire can alternately be laminated.At this point, the positive wire and cathode of totally 8 battery units 110 Lead is configured to connect with the lead connecting elements 220 for being located at 100 two sides of battery unit laminated body respectively.
If be installed in the lead connecting elements 320 of left side main frame 310, most referring to Fig. 8 and Fig. 9 of the present embodiment The lead connecting elements 320 and the lowermost lead connecting elements 320 of upper end can extend to outside device.For this purpose, left side master Frame 310 can also have slit (not shown) in upper and lower end respectively, (not shown in figure by this slit Out), cable or busbar can be in the lead connecting elements 320 and the lowermost lead connecting elements of external connection the top 220。
Moreover, 6 be located between the lead connecting elements 320 and the lowermost lead connecting elements 320 of the top are drawn Connecting member 320 is configured to connect for a pair by energization component 330 with 2.
On the contrary, 8 lead connecting elements 320 for being installed on right side main frame 310 are configured to borrow with 2 for a pair It helps energization component 330 and is connected with each other.
It is constituted according to this battery unit wire connections 300, for example, as shown in figure 9, being drawn with positive wire and cathode Line, which alternates the mode put along short transverse, is laminated battery unit 110, if by positive wire and negative wire 111 are inserted in respective lead connecting elements 220, then 8 battery units 110 can be connected in series.
The main frame 210 of previous embodiment has next door 213, but the main frame of the present embodiment does not have next door.It takes and generation It, the present embodiment can include partition frame 350 between main frame 310 and battery unit 110.
Partition frame 350 can form wall body between main frame 310 and the battery unit 110 of stacking, connect with lead The corresponding position of connection member 320 have battery unit lead 111 can by through hole H.
Battery unit lead 111 as can be seen from figures 8 and 9, is inserted in the through hole H one by one, short so as to prevent Road.
On the other hand, battery pack of the invention may include more than one battery module of the invention.In addition, of the invention Battery pack can further include the various devices for controlling the charge and discharge of battery module other than this battery module, such as Say BMS (Battery Management System, battery management system), current sensor, fuse etc..
The preferred embodiment of the present invention is shown above, is illustrated, but the present invention is not limited to above-mentioned specific excellent Embodiment is selected, in the case where the main idea of the present invention requested in without departing from the claimed range of the present invention, belonging to corresponding invention Those skilled in the art can carry out the deformation implementation of multiplicity, moreover, this change is also in the claimed model of the present invention In enclosing.
On the other hand, in the present specification, upper and lower, left and right etc. has been used to represent the term in direction, but this art Language simply to illustrate that convenience, can be according to position etc. that the position or object that observer observes are placed and different earth's surfaces are existing, This is that practitioner of the invention is self-evident.

Claims (13)

1. a kind of battery unit wire connections characterized by comprising
Main frame forms the wall body opposite with the battery unit lead of the battery unit of stacking;And
Lead connecting elements can be powered or energy is insulated be installed on the main frame each other to be multiple, and being equipped to can be with The battery unit lead is inserted into combination one by one.
2. battery unit wire connections according to claim 1, which is characterized in that
The lead connecting elements include by from the main frame towards the battery unit lead protrusion in the form of be equipped with connect Ground portion,
The grounding parts have the 1st plate and the 2nd plate, and the 1st plate and the 2nd plate are width to one using symmetrical morphosis A direction increasingly narrows by pre-determined size, clamps the two sides of the battery unit lead.
3. battery unit wire connections according to claim 2, which is characterized in that
The grounding parts are equipped with the conductive material with elastic recovering force, so as to the width between the 1st plate and the 2nd plate Keep set.
4. battery unit wire connections according to claim 2, which is characterized in that
1st plate and the 2nd plate are integrally formed, and terminal part is separated into the curved form of mutual opposite direction.
5. battery unit wire connections according to claim 2, which is characterized in that
The lead connecting elements further includes intensity reinforcement part, and the intensity reinforcement part is to surround the shape of the 1st plate and the 2nd plate State is incorporated into the lateral surface of the 1st plate and the 2nd plate.
6. battery unit wire connections according to claim 1, which is characterized in that
It further include energization component, the energization component makes at least two lead connecting elements electricity in the multiple lead connecting elements Connection.
7. battery unit wire connections according to claim 6, which is characterized in that
The energization component is at least combination of certain one in cable and busbar.
8. battery unit wire connections according to claim 1, which is characterized in that
The main frame, which has from one side, protrudes extended multiple next doors, and the multiple next door connect structure with the multiple lead Part configures with alternateing one by one each other along short transverse.
9. battery unit wire connections according to claim 8, which is characterized in that
The next door at least extends longerly than the lead connecting elements.
10. battery unit wire connections according to claim 1, which is characterized in that
It further include partition frame, the partition frame forms wall body between the main frame and the battery unit of the stacking, And correspond to the lead connecting elements position, have the battery unit lead can by through hole.
11. battery unit wire connections according to claim 1, which is characterized in that
It further include basic framework, the main frame 2 are a pair, separate predetermined distance configuration, and the basic framework is connected to institute The lower end for stating 2 main frames, is equipped with plate morphology.
12. a kind of battery module, which is characterized in that draw including the battery unit as described in any one of claim 1~11 Wire-connecting device.
13. a kind of battery pack, which is characterized in that including battery module as claimed in claim 12.
CN201690000738.0U 2015-08-18 2016-08-08 Battery unit wire connections, battery module and battery pack Active CN208641768U (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020150116248A KR101957403B1 (en) 2015-08-18 2015-08-18 Cell Lead Connecting Apparatus and Battery module including the same
KR10-2015-0116248 2015-08-18
PCT/KR2016/008702 WO2017030312A1 (en) 2015-08-18 2016-08-08 Cell lead connection device, and battery module comprising same

Publications (1)

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CN208641768U true CN208641768U (en) 2019-03-26

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CN (1) CN208641768U (en)
WO (1) WO2017030312A1 (en)

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Publication number Priority date Publication date Assignee Title
KR102209767B1 (en) * 2017-06-13 2021-01-28 주식회사 엘지화학 Battery module with improved coupling structure between electrode lead and bus bar
WO2020101073A1 (en) * 2018-11-15 2020-05-22 엘지전자 주식회사 Battery module
KR20220032933A (en) * 2020-09-08 2022-03-15 주식회사 엘지에너지솔루션 Battery pack including reinforcing poles penetrating the inside of the battery pack and vehicle comprising the same

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Publication number Priority date Publication date Assignee Title
KR101267784B1 (en) * 2010-07-19 2013-05-31 주식회사 엘지화학 Electrical Connecting Member Having Partition Structure and Battery Pack Manufactured Using The Same
KR20130062551A (en) * 2011-12-05 2013-06-13 에스케이이노베이션 주식회사 The battery module equipped with a flexible member
KR101417412B1 (en) * 2012-11-16 2014-07-09 세방전지(주) Connecting apparatus for battery pack
KR102007459B1 (en) * 2012-12-27 2019-08-05 에스케이이노베이션 주식회사 Battery cell tab connecting apparatus and battery modul by using the same
JP6011876B2 (en) * 2013-09-13 2016-10-19 株式会社オートネットワーク技術研究所 Power storage module

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KR20170021631A (en) 2017-02-28
KR101957403B1 (en) 2019-03-12

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Patentee before: LG CHEM, Ltd.