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CN107732050A - Battery modules - Google Patents

Battery modules Download PDF

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Publication number
CN107732050A
CN107732050A CN201610651642.7A CN201610651642A CN107732050A CN 107732050 A CN107732050 A CN 107732050A CN 201610651642 A CN201610651642 A CN 201610651642A CN 107732050 A CN107732050 A CN 107732050A
Authority
CN
China
Prior art keywords
layer
confluxes
pedestal
negative pole
battery modules
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610651642.7A
Other languages
Chinese (zh)
Inventor
王敬波
苏雄杰
段桂林
彭淳
王哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen OptimumNano Energy Co Ltd
Original Assignee
Shenzhen OptimumNano Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenzhen OptimumNano Energy Co Ltd filed Critical Shenzhen OptimumNano Energy Co Ltd
Priority to CN201610651642.7A priority Critical patent/CN107732050A/en
Publication of CN107732050A publication Critical patent/CN107732050A/en
Pending legal-status Critical Current

Links

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
    • 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
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

A kind of battery modules, including multiple cells, pedestal corresponding with monomer pond quantity and the circuit board that confluxes;Each cell includes positive terminal, the negative pole end opposite with positive terminal and the shell between the positive terminal and negative pole end;The pedestal, which is arranged at, described to conflux on circuit board and is provided with electric connection part in each pedestal;The circuit board that confluxes includes multiple subelement plates;Each subelement plate including positive pole confluxes layer and negative pole confluxes layer, positive pole, which confluxes, is provided with multiple Flexible Connectors on layer, and negative pole, which confluxes, opens up via on layer;The stacking of confluxing of the negative pole of one of subelement plate of two neighboring subelement plate is added on the positive pole of another subelement plate and confluxed on layer, and the Flexible Connector of two neighboring subelement plate corresponds with via;Each cell is placed on outside a corresponding pedestal and positive terminal is electrically connected to Flexible Connector, the shell part that is electrically connected with corresponding with pedestal and connected;The electric connection is further attached to negative pole and confluxed layer.

Description

Battery modules
【Technical field】
The present invention relates to electric vehicle engineering field, more particularly to a kind of battery modules.
【Background technology】
Under energy crisis and the pressure of problem of environmental pollution, safe and environment-friendly, energy-conservation has turned into the master of current development of automobile Topic, electric car are helped, in recent years, newly because of the free of contamination advantage of its energy-saving and environmental protection by the great attention of traffic, energy sector Energy automobile industry has welcome explosive growth.Existing battery core, which confluxes mainly to be connected by screw bolts and weld, fixes battery core In copper coin, pass through the connection in series-parallel between substantial amounts of wire harness and the circuit realiration battery of complexity.Such mode of confluxing, circuit knot Structure is complicated, wire harness is excessive, poor reliability, installation complexity, and maintenance inconvenience, copper nut, bolt and wire harness are excessive, are unfavorable for whole Car lightweight.
【The content of the invention】
Change it is an object of the invention to provide a kind of " no wire harness ", install simple, easy to maintenance, longtime running is difficult for drop-off, The high battery modules for taking into account light weight effect simultaneously of reliability.
To achieve these goals, the present invention provides a kind of battery modules, including multiple cells and monomer pond quantity Corresponding pedestal and the circuit board that confluxes;Each cell includes positive terminal, the negative pole end opposite with positive terminal and is located at Shell between the positive terminal and negative pole end;The pedestal, which is arranged at, described to conflux on circuit board and is provided with each pedestal It is electrically connected with part;The circuit board that confluxes includes multiple subelement plates;Each subelement plate includes positive pole and confluxed layer and negative pole remittance Fluid layer, positive pole, which confluxes, is provided with multiple Flexible Connectors on layer, and negative pole, which confluxes, opens up via on layer;Two neighboring subelement plate The stacking of confluxing of the negative pole of one of subelement plate is added on the positive pole of another subelement plate and confluxed on layer, and two neighboring son is single The Flexible Connector of first plate corresponds with via;Each cell is placed on outside a corresponding pedestal and positive terminal is electrically connected with Connected to Flexible Connector, the shell part that is electrically connected with corresponding with pedestal;The electric connection is further attached to described negative Conflux layer for pole.
In a preferred embodiment, each pedestal offers a through hole, and the inner surface setting of the through hole has annular Elastic bumps;The shell of each cell has an annular groove;The groove coordinates with the elastic bumps.
In a preferred embodiment, the inner surface for being electrically connected with part and being arranged at the through hole, it is described annular Elastic bumps press on the electric connection part.
In a preferred embodiment, the electric connection part is elongated metal piece, and the negative pole, which confluxes, to be set on layer It is equipped with cathode contact point;The shell of the cell contacts with the electric connection part, and the electric connection part is further electric Property is connected to the cathode contact point.
In a preferred embodiment, the Flexible Connector includes contact chip and flexible member, the flexible member The positive pole is electrically connected to conflux layer;The contact chip is electrically connected on the flexible member, and the positive terminal is resisted against On the contact chip.
In a preferred embodiment, the contact chip is circular metal plate, and the flexible member is metal spring;Institute State the positive pole layer that confluxes and be provided with positive contact point, one end of the flexible member is welded with the contact chip, the other end and positive pole Contact point welds.
In a preferred embodiment, the pedestal is six water chestnut columns, and the through hole is circle, and the cell is Cylindric, the shell of the cell corresponds to the shape of the circular hole.
In a preferred embodiment, the sub- monomer plate includes flex area, and the positive pole of each subelement plate confluxes layer And the negative pole layer that confluxes is located at flex area both sides and the conflux negative pole layer that confluxes of layer of positive pole has difference in height between the two.
In a preferred embodiment, in addition to the honeycomb installation structure of the circuit board that confluxes is arranged at, honeycomb houses knot Structure includes multiple adjacent hollow cellular units, and each pedestal is further contained in a corresponding cellular unit.
In a preferred embodiment, the quantity of the cellular unit is more than or corresponded to the quantity of pedestal;Each honeycomb Unit is six water chestnut columns.
All cell positive poles of the present invention it is unified down, realize string between battery simultaneously by being laminated subelement plate Connection, integrated optimization circuit structure, realize that circuit " no wire harness " is changed;Cell is installed using plug-in, without welding copper spiral shell Female, bolt, installation is simple, easy to maintenance, longtime running is difficult for drop-off, reliability is high.
【Brief description of the drawings】
Fig. 1 is the perspective exploded view for the battery modules that first embodiment of the invention provides.
Schematic cross-sectional view when Fig. 2 is the part combination of the battery modules shown in Fig. 1.
Fig. 3 is the region A of the battery modules shown in Fig. 2 partial enlarged drawing.
Fig. 4 is the stereogram of the pedestal of the battery modules shown in Fig. 1.
Fig. 5 is the stereogram before the two neighboring daughter board unit combination of the circuit board that confluxes of the battery modules shown in Fig. 1.
Stereogram when Fig. 6 is the two neighboring daughter board unit combination of the circuit board that confluxes of the battery modules shown in Fig. 5.
Fig. 7 provides the perspective exploded view of battery modules for second embodiment of the invention.
Fig. 8 is the region B partial enlarged drawings shown in Fig. 7.
Partial schematic sectional view when Fig. 9 is the battery modules combination shown in Fig. 7.
【Embodiment】
In order that the purpose of the present invention, technical scheme and advantageous effects become apparent from understanding, below in conjunction with accompanying drawing and Embodiment, the present invention will be described in further detail.It should be appreciated that the specific implementation described in this specification Mode is not intended to limit the present invention just for the sake of explaining the present invention.
As shown in Fig. 1,3 and 5, a kind of battery modules 100 of first embodiment of the invention offer, including multiple monomers electricity Pond 10, pedestal 20 corresponding with cell quantity and the circuit board 30 that confluxes;Each cell 10 include positive terminal 101, The negative pole end 102 opposite with positive terminal 101 and the shell 103 between the positive terminal 101 and negative pole end 102;It is described Pedestal 20 be arranged at it is described conflux on circuit board 30 and be provided with each pedestal 20 be electrically connected with part 40;The circuit board that confluxes 30 include multiple subelement plates 301;Each subelement plate 301 including positive pole confluxes layer 31 and negative pole confluxes layer 32, positive pole confluxes Multiple Flexible Connectors 311 are provided with layer 31, and negative pole, which confluxes, opens up via 321 on layer 32;Two neighboring subelement plate 301 The negative pole of one of subelement plate 301 layer 32 that confluxes is superimposed on the positive pole of another subelement plate 301 and confluxed on layer 31, and phase The Flexible Connector 311 of adjacent two sub- cell boards 301 corresponds with via 321;Each cell 10 is placed on corresponding one Pedestal 20 is outer and positive terminal 101 is electrically connected to Flexible Connector 311, shell 103 electric connection part corresponding with pedestal 20 40 are electrically connected with;The electric connection part is further electrically connected to the negative pole and confluxed layer 32.
Specifically, please refer to Fig. 4 and Fig. 6, each pedestal 20 offers a through hole 201, the interior table of the through hole 201 Face is provided with the elastic bumps 202 of annular;The shell 103 of each cell 10 has the groove 104 of an annular;The groove 104 coordinate with the elastic bumps 201.The elastic bumps 201 can be made up of insulating materials, can also be by conductive material system Into.The inner surface for being electrically connected with part 40 and being arranged at the through hole 201, the annular elastic bumps 202 press in described It is electrically connected with part 40.Described to be electrically connected with the sheet metal that part 40 is strip, the negative pole, which confluxes, is provided with negative pole on layer 32 Contact point 322;The shell 103 of the cell 10 contacts with the electric connection part 40, and the electric connection part 40 enters one Step is electrically connected to the cathode contact point 322.The positive terminal 101 of the cell 10 is used as positive pole, negative pole end 102 and outer Shell 103 as negative pole and is structure as a whole.In present embodiment, the pedestal 20 is six water chestnut columns, and the through hole is circle, The cell is cylindric, and the shell 103 of the cell 10 corresponds to the shape of the through hole 201.
Fig. 2 and Fig. 3 is referred to, the Flexible Connector 311 further comprises contact chip 3111 and flexible member 3112, institute State flexible member 3112 and be electrically connected to the positive pole and conflux layer 31;The contact chip 3111 is electrically connected to the flexible member On 3112, the positive terminal 101 is resisted against on the contact chip 3111.In present embodiment, the contact chip 3111 is circle Sheet metal, the flexible member 3112 are metal spring;The positive pole, which confluxes, is provided with positive contact point 312 on layer 31, described Flexible member 3112 is that one end of metal spring is welded with the contact chip 3111, and the other end welds with positive contact point 312.
Fig. 2,5 and same Fig. 6 are referred to, the sub- monomer plate 301 includes flex area 302, the positive pole of each subelement plate 301 Conflux layer 31 and the negative pole layer 32 that confluxes is located at the both sides of flex area 302 and the conflux negative pole of layer 31 of positive pole confluxes layer 32 between the two With difference in height.In present embodiment, layer 32 is tabular that the positive pole confluxes layer 31 and the negative pole confluxes and positioned at not Same plane.The flex area 302 is curve-like, is formed by multiple circular arc smooth excessivenesses.The positive pole confluxes the negative pole of layer 31 The upper and lower surface of layer 32 of confluxing has been coated with insulating materials.
Refer to Fig. 1, Fig. 3, Fig. 5 and 6, during assembling, one of subelement plate 301 of two neighboring subelement plate 301 The negative pole layer 32 that confluxes be superimposed on the positive pole of another subelement plate 301 and conflux on layer 31, the positive pole layer 31 that confluxes confluxes with negative pole Insulated between layer 32, Flexible Connector 311 and the via 321 of two neighboring subelement plate 301 correspond, and Flexible Connector 311 pass through a corresponding via 321;Then the pedestal 20 for being internally provided with electric connection part 40 is arranged at each height The negative pole of Slab element 301 confluxes on layer 32.Then each cell 10 is placed on to the through hole 201 for loading a corresponding pedestal 20 It is interior, and positive terminal 101 be electrically connected to Flexible Connector 311, shell 103 it is corresponding with pedestal 20 be electrically connected with part 40 it is electrical Connection;The electric connection part is further electrically connected to the negative pole and confluxed layer 32.In this way, by two neighboring daughter board unit Cell phase connection in series-parallel on 301.
A kind of battery modules 200 as shown in Figs. 7-9, that second embodiment of the invention provides, with first embodiment Battery mould 100 is essentially identical, and difference is that battery modules 200 also include being arranged at the honeycomb installation structure to conflux on circuit board 30 50, honeycomb installation structure includes multiple adjacent hollow cellular units 501, and each pedestal 20 is further contained in corresponding one In cellular unit 501.
The honeycomb installation structure 50 can be made up of the insulating materials of high heat conduction high rigidity of moulding process, described Honeycomb installation structure 50 includes the hollow cellular unit 501 of multiple identical and adjacent connection.Cellular unit 501 includes side Wall 5011, the thickness of the side wall 5011 is 1 to 2 millimeter.In present embodiment, the cellular unit 51 is six water chestnut posts, and this six Water chestnut post both ends open and side wall 5011 is perpendicular to the cover plate 11.In other embodiments, the cellular unit 21 can also It is other regular shapes, for example, triangular prism, four water chestnut posts, five water chestnut posts, eight water chestnut posts or cylinder etc..The honeycomb installation structure 50 Also include top surface 502 and the bottom surface 503 opposite with top surface 502, the top surface 502 and the bottom surface 503 that is, the honeycomb list The top surface 502 of member 501 and bottom surface 503.
The height of each cellular unit 501 is slightly less than the height of a cell 10, and cellular unit 501 is used to house list Body battery 10, the quantity of cellular unit 501 can correspond to the quantity of cell 10, can also be more than the number of cell 10 Amount.When the quantity of the cellular unit 501 corresponds to the quantity of cell 10, each cellular unit 501 is corresponding to house one Cell 10.When the quantity of cellular unit 501 is more than the quantity of cell, a part of cellular unit 501 houses monomer Battery, other parts cellular unit 501 can not house cell.All cellular units 501 can be identical with shape, Can be different, it can adjoin each other, also can partly disconnect, or mutually be not connected with.For the ease of manufacturing, in present embodiment, The cellular unit shape is identical and adjacent.
All cell positive poles of the present invention it is unified down, realize string between battery simultaneously by being laminated subelement plate Connection, integrated optimization circuit structure, realize that circuit " no wire harness " is changed;Cell is installed using plug-in, without welding copper spiral shell Female, bolt, installation is simple, easy to maintenance, longtime running is difficult for drop-off, reliability is high.
The present invention is not restricted to described in specification and embodiment, therefore for the personnel of familiar field Additional advantage and modification is easily achieved, therefore in the essence of the universal limited without departing substantially from claim and equivalency range In the case of refreshing and scope, the present invention is not limited to specific details, representational equipment and shown here as the diagram with description Example.

Claims (10)

  1. A kind of 1. battery modules, it is characterised in that:Including multiple cells, pedestal corresponding with monomer pond quantity and conflux Circuit board;Each cell includes positive terminal, the negative pole end opposite with positive terminal and positioned at the positive terminal and negative pole end Between shell;The pedestal, which is arranged at, described to conflux on circuit board and is provided with electric connection part in each pedestal;The remittance Current circuit plate includes multiple subelement plates;Each subelement plate including positive pole confluxes layer and negative pole confluxes layer, positive pole conflux on layer It is provided with multiple Flexible Connectors, negative pole, which confluxes, opens up via on layer;One of subelement plate of two neighboring subelement plate Negative pole stacking of confluxing be added on the positive pole of another subelement plate and conflux on layer, and the Flexible Connector of two neighboring subelement plate Corresponded with via;Each cell is placed on that a corresponding pedestal is outer and positive terminal is electrically connected to Flexible Connector, outer Shell is corresponding with pedestal to be electrically connected with part connection;The electric connection is further attached to the negative pole and confluxed layer.
  2. 2. battery modules as claimed in claim 1, it is characterised in that:Each pedestal offers a through hole, the through hole it is interior Surface is provided with the elastic bumps of annular;The shell of each cell has an annular groove;The groove and the elasticity Male cooperation.
  3. 3. battery modules as claimed in claim 2, it is characterised in that:The interior table for being electrically connected with part and being arranged at the through hole Face, the annular elastic bumps press on the electric connection part.
  4. 4. battery modules as claimed in claim 3, it is characterised in that:The electric connection part is elongated metal piece, described Negative pole, which confluxes, is provided with cathode contact point on layer;The shell of the cell contacts with the electric connection part, described electrical Connector is further electrically connected to the cathode contact point.
  5. 5. battery modules as claimed in claim 1, it is characterised in that:The Flexible Connector includes contact chip and elasticity member Part, the flexible member are electrically connected to the positive pole and confluxed layer;The contact chip is electrically connected on the flexible member, institute Positive terminal is stated to be resisted against on the contact chip.
  6. 6. battery modules as claimed in claim 5, it is characterised in that:The contact chip is circular metal plate, the elasticity member Part is metal spring;The positive pole layer that confluxes is provided with positive contact point, and one end of the flexible member is welded with the contact chip Connect, the other end is spot welded with positive contact.
  7. 7. battery modules as claimed in claim 2, it is characterised in that:The pedestal is six water chestnut columns, and the through hole is circle, The cell is cylindric, and the shell of the cell corresponds to the shape of the circular hole.
  8. 8. battery modules as claimed in claim 1, it is characterised in that:The sub- monomer plate includes flex area, each subelement The conflux negative pole layer that confluxes of layer of the positive pole of plate confluxes layer and negative pole confluxes layer is located at flex area both sides and positive pole has between the two Difference in height.
  9. 9. battery modules as claimed in claim 1, it is characterised in that:The honeycomb for also including being arranged at the circuit board that confluxes houses knot Structure, honeycomb installation structure include multiple adjacent hollow cellular units, and each pedestal is further contained in a corresponding honeycomb In unit.
  10. 10. battery modules as claimed in claim 9, it is characterised in that:The quantity of the cellular unit is more than or corresponding pedestal Quantity;Each cellular unit is six water chestnut columns.
CN201610651642.7A 2016-08-10 2016-08-10 Battery modules Pending CN107732050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610651642.7A CN107732050A (en) 2016-08-10 2016-08-10 Battery modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610651642.7A CN107732050A (en) 2016-08-10 2016-08-10 Battery modules

Publications (1)

Publication Number Publication Date
CN107732050A true CN107732050A (en) 2018-02-23

Family

ID=61200134

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610651642.7A Pending CN107732050A (en) 2016-08-10 2016-08-10 Battery modules

Country Status (1)

Country Link
CN (1) CN107732050A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110176570A (en) * 2019-05-20 2019-08-27 苏州安靠电源有限公司 A kind of compound confluence piece for battery modules
CN111224029A (en) * 2018-11-27 2020-06-02 郑州深澜动力科技有限公司 Cell mounts and battery modules

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102034948A (en) * 2010-12-07 2011-04-27 东莞市钜大电子有限公司 Battery monomer bracket and combined battery bracket thereof
CN103534834A (en) * 2011-04-28 2014-01-22 丰田自动车株式会社 Battery assembly and vehicle
CN204651380U (en) * 2015-06-05 2015-09-16 北京科易动力科技有限公司 Battery core syndeton
CN205177955U (en) * 2015-12-11 2016-04-20 浙江野马电池有限公司 Scalable battery
CN206076348U (en) * 2016-08-10 2017-04-05 深圳市沃特玛电池有限公司 Battery modules

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102034948A (en) * 2010-12-07 2011-04-27 东莞市钜大电子有限公司 Battery monomer bracket and combined battery bracket thereof
CN103534834A (en) * 2011-04-28 2014-01-22 丰田自动车株式会社 Battery assembly and vehicle
CN204651380U (en) * 2015-06-05 2015-09-16 北京科易动力科技有限公司 Battery core syndeton
CN205177955U (en) * 2015-12-11 2016-04-20 浙江野马电池有限公司 Scalable battery
CN206076348U (en) * 2016-08-10 2017-04-05 深圳市沃特玛电池有限公司 Battery modules

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111224029A (en) * 2018-11-27 2020-06-02 郑州深澜动力科技有限公司 Cell mounts and battery modules
CN110176570A (en) * 2019-05-20 2019-08-27 苏州安靠电源有限公司 A kind of compound confluence piece for battery modules

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Application publication date: 20180223