CN203760534U - Battery module - Google Patents

Battery module Download PDF

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Publication number
CN203760534U
CN203760534U CN201320732428.6U CN201320732428U CN203760534U CN 203760534 U CN203760534 U CN 203760534U CN 201320732428 U CN201320732428 U CN 201320732428U CN 203760534 U CN203760534 U CN 203760534U
Authority
CN
China
Prior art keywords
clamping plate
battery
plate
battery module
heat dissipation
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.)
Expired - Lifetime
Application number
CN201320732428.6U
Other languages
Chinese (zh)
Inventor
李立国
杨从梅
田硕
华剑锋
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.)
Suzhou Key New Power Technology Co ltd
Original Assignee
BEIJING KEY POWER TECHNOLOGY 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 BEIJING KEY POWER TECHNOLOGY Co Ltd filed Critical BEIJING KEY POWER TECHNOLOGY Co Ltd
Priority to CN201320732428.6U priority Critical patent/CN203760534U/en
Application granted granted Critical
Publication of CN203760534U publication Critical patent/CN203760534U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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

Abstract

The utility model belongs to the field of electric vehicles and relates to a battery module. The battery module comprises multiple clamping plates, batteries and air baffling plates, wherein the batteries are fixed in the clamping plates; positioning pins are arranged at the front and back surfaces of each clamping plate and positioning holes are formed in the front and back surfaces of each clamping plate; the multiple clamping plates are assembled together by matching the positioning pins and the positioning holes between every two adjacent clamping plates; each clamping plate is provided with a baffle plate, so that a branch heat-radiating air channel with two opened ends is formed between every two adjacent batteries; a groove communicated with the corresponding branch heat-radiating air channel is formed in each of the two sides of each clamping plate; the multiple clamping plates are connected together so as to form two long grooves communicated with the branch heat-radiating air channels; the air baffling plates are fixed on the clamping plates, and two main heat-radiating air channels communicated with all the branch heat-radiating air channels are formed by the air baffling plates and the two long grooves; the two main heat-radiating air channels are respectively used for feeding air and exhausting the air. The battery module has the beneficial effects of small size, good heat-radiating effect and high stability.

Description

A kind of battery module
Technical field
The utility model relates to a kind of supply unit, relates in particular to a kind of battery module that is applicable to electric automobile field.
Background technology
Under the background day by day serious in world today's environmental pollution, petroleum resources are day by day exhausted, the electric automobile with zero discharge, energy conversion efficiency high progresses into people's the visual field, yet, being limited by the development of battery technology, electric automobile is also far from being popularized.
The battery case of electric automobile generally all consists of a plurality of battery modules, and each battery module consists of a plurality of cells again.In order to realize the connection in series-parallel between battery and battery module, and collect and feedback battery information, conventionally need to be at a lot of wires of the inner connection of battery case, yet the fail safe that wire connects is lower, easily break down, and affect vehicle performance, and and also will be to the reserved certain safe space of wire in battery case, this just causes the battery case overall volume can be larger.Simultaneously battery module bears certain vibratory impulse automobile bumpiness in service, fixing unstable will impact for stabilizability, if and the heat producing in battery use procedure can not well be discharged, battery can not be in a good working temperature, thereby affect performance of battery module, even the performance of electric automobile integral body.
Utility model content
In order to overcome above-mentioned defect, improve battery module of electric vehicle performance, the utility model provides a kind of battery module.
The utility model solves the technical scheme that its technical problem adopts: a kind of battery module is provided, it comprises clamping plate, battery, end plate and steel band, battery is fixed in clamping plate, on the front-back of clamping plate, there are respectively alignment pin and location hole, by coordinating of alignment pin between adjacent two clamping plate and location hole, a plurality of clamping plate with battery are combined, at the two ends of this combination, an end plate is respectively set, in two end plates, there are pin and hole with clamping plate corresponding matching, by steel band, two end plates are linked together, and clamping plate and battery are exerted pressure.This battery module is stablized a plurality of batteries to be connected with location hole by alignment pin between clamping plate.
Further, every battery has one side to post dielectric film, to form an insulating barrier between two adjacent batteries.
Further, on clamping plate, there are at least two baffle plates, when the clamping plate that battery is housed are combined, make to form between adjacent battery a heat dissipation wind channel of both ends open.
Further, respectively there is a groove communicating with a heat dissipation wind channel clamping plate both sides, a plurality of clamping plate are joined together to form two grooves that communicate with a heat dissipation wind channel, deep bead is fixed on clamping plate, and forming two main heat dissipation wind channels that communicate with all heat dissipation wind channels together with two long recess, two main heat dissipation wind channels are respectively used to air intake and air draft.
Further, end plate is provided with battery module is fixed on to the interface that is connected and fixed use on battery case and between adjacent battery modules, end plate with and its clamping plate that coordinate between have insulation material liner plate, on liner plate and end plate, corresponding to the position that forms main heat dissipation wind channel, be provided with port, the corresponding position that forms a heat dissipation wind channel is provided with the ventilation slot UNICOM main heat dissipation wind channel in both sides.
Further, the electrode of battery exposes from clamping plate top, and conductive bus-bar is connected in turn on the electrode of battery.
Further, be also fixed with circuit board on clamping plate, have electric sampling tie point and temperature sensor on circuit board, electric sampling tie point is connected collection electric signal with conductive bus-bar, and temperature sensor contacts collecting temperature with battery or conductive bus-bar.
Further, end plate outside is provided with the end clamping plate of insulation material, is provided with the installation site of battery management circuit and high-pressure conductive part on end clamping plate.
Further, adopt the electroconductive elastic sheet being fixed on circuit board to press to touch and on conductive bus-bar, gather electric signal.
The utlity model has following beneficial effect and advantage: it can guarantee that battery does not produce relative displacement in automobilism, improve intensity and the stability of battery module; Reduce the volume of supply unit, saved space; Have good conductivity, technological operation is simple, safe, and radiating effect is obvious.
Accompanying drawing explanation
Fig. 1 is the schematic appearance after battery module assembling;
Fig. 2 is battery module exploded perspective view;
Fig. 3 is clamping plate Facad structure figure;
Fig. 4 is clamping plate structure figure;
Fig. 5 is clamping plate connection diagram;
Fig. 6 is circuit board lower surface schematic diagram;
Fig. 7 is liner plate two groove surface schematic diagrames;
Fig. 8 is conductive bus-bar connection layout;
In figure, mark is as follows: 1. end clamping plate, 2. end plate one, 3. liner plate one, 4. clamping plate, 5. battery, 6. deep bead, 7. liner plate two, 8. end plate two, 9. steel band, 10. conductive bus-bar, 11. circuit boards, 12. connectors, 13. electric sampling tie points, 14. temperature sensors.
Embodiment
Below in conjunction with accompanying drawing 1-8, the utility model is described preferred embodiment.
Battery module of the present utility model comprises: end clamping plate 1, end plate 1, liner plate 1, clamping plate 4, battery 5, deep bead 6, liner plate 27, end plate 28, steel band 9, conductive bus-bar 10, circuit board 11.Battery 5 is fixed in the frame of clamping plate 4, on the front-back of clamping plate 4, there are respectively alignment pin and location hole, by coordinating of 4 alignment pins of two clamping plate and location hole, can make module 5 of each cells when vibration can not produce relative displacement, guarantee the stable of module.Every battery 5 has one side to post dielectric film, with 5, two batteries adjacent, forms an insulating barrier.On clamping plate 4, there is baffle plate, make to form between adjacent battery 5 heat dissipation wind channel of both ends open, and respectively there is a groove communicating with a heat dissipation wind channel clamping plate 4 both sides, a plurality of clamping plate 4 are joined together to form two long recess that communicate with a heat dissipation wind channel, deep bead 6 is fixed on clamping plate 4, and forming two main heat dissipation wind channels that communicate with all heat dissipation wind channels together with two long recess, two main heat dissipation wind channels are respectively used to air intake and air draft.Respectively there is an end plate (being end plate 1 and end plate 2 8) in clamping plate 4 outsides of two ends; in two end plates, there are pin and hole with clamping plate 4 corresponding matching; assurance is relative fixing with clamping plate 4; by steel band 9, two end plates are linked together; form the rigid protective framework of battery 5; and clamping plate 4 and battery 5 are exerted pressure, close-connected clamping plate 4 can not become flexible, whole battery module can be not separated.On end plate, draw the interface that battery module is fixed on battery case and is connected and fixed between adjacent battery modules.Two end plates with and its 4, outside clamping plate that coordinate respectively have the liner plate (being liner plate 1 and liner plate 2 7) of an insulation material, guarantee the insulation between battery 5 and end plate, liner plate and end plate have port corresponding to the position that forms main heat dissipation wind channel, guarantee that main heat dissipation wind channel is unobstructed.Clamping plate 4 tops expose the electrode of battery 5, conductive bus-bar 10 is connected in turn on the electrode of battery 5, realize the series/parallel of 5, battery, from being positioned at the conductive bus-bar 10 of battery module two ends, draw respectively positive and negative electrode, make all batteries 5 form a battery pack.Circuit board 11 is fixed on clamping plate 4, on circuit board 11, there are electric sampling tie point 13 and temperature sensor 14, electric sampling tie point 13 contacts with the conductive bus-bar 10 being connected on battery 5, for gathering the electric signal of battery 5, temperature sensor 14 contacts collecting temperature with battery 5 or conductive bus-bar 10, circuit board 11 both sides are fixed with connector 12, by plug connector 12, connect for showing the display unit of the information of the battery 5 of collecting.Two end plates outside is respectively provided with the end clamping plate 1 of an insulation material, with the electrode and the insulation of end plate that guarantees that conductive bus-bar 10 is drawn, holds the installation site that is provided with battery management circuit and high-pressure conductive part on clamping plate 1.
Further describe the structure of each critical piece below:
Battery 5 shapes can adopt cuboid, and anodal and negative pole is positioned at the same side of battery 5.
Clamping plate 4 adopt plastic material, mainly frame, baffle plate and four orientation angles, consist of.Upper side frame is open, and after battery 5 embeds, both positive and negative polarity is out exposed above clamping plate 4, to connect conductive bus-bar 10.Baffle plate is comprised of overhead gage, lower baffle plate and elastic strip, baffle plate part broad in the middle is penetrating, with thinking that battery 5 provides a heat dissipation wind channel, wherein go up lower baffle plate thicker, with upper and lower side frame one, when clamping plate 4 connect, to battery 5, provide support respectively, middle elastic strip is thin and narrow, and elastic strip length direction undulate state, in order to guarantee that the battery 5 embedding can not produce and rock because of thickness deviation.4 four jiaos, clamping plate have four orientation angles, and each orientation angle has respectively a location hole in baffle plate one side, and reverse side has respectively an alignment pin, when two clamping plate 4 are connected, alignment pin and location hole interference fit, can not rock 4, clamping plate, guarantees the stability of battery module.Two orientation angles up and down of the left and right sides form with left and right side frame two grooves that are formed on clamping plate 4 sides respectively, when connecting together, a plurality of clamping plate 4 form two long recess in left and right, deep bead is fixed on clamping plate, and forming two main heat dissipation wind channels that communicate with all heat dissipation wind channels together with two long recess, two main heat dissipation wind channels are respectively used to air intake and air draft.
The position of the corresponding clamping plate 4 main heat dissipation wind channels in end plate both sides respectively has one oval mouthful; On lateral surface, be distributed with the fixed interface that end plate, liner plate, end clamping plate 1 are fixed together.Four angles of end plate are distributed with the interface that battery module is fixed on battery case and is connected and fixed between adjacent battery modules.
The difference of two end plates is: one of them end plate, for example end plate 1 respectively has an end plate alignment pin on four angles, coordinate realization location with the location hole on the clamping plate 4 that are connected, and another end plate, be that end plate 28 respectively has an end plate location hole on four angles, coordinate and realize location with the alignment pin being connected on clamping plate 4.
Liner plate is plastic plate, for battery 5 and end plate are separated, guarantees insulation between the two.Respectively there is oval mouthful of a ventilation use position of the corresponding clamping plate 4 main heat dissipation wind channels in liner plate both sides, and respectively there is a circular hole at four angles, are used for, through the alignment pin on end plate or clamping plate 4, three being fixed together.On liner plate, be distributed with the through hole being fixed together with end plate, end clamping plate.
The difference of two liner plates is: one of them liner plate, for example liner plate 27 is provided with groove with the contact-making surface of battery 5, make leave certain interval and communicate with main heat dissipation wind channel between battery 5 and liner plate 27, form a heat dissipation wind channel, and another liner plate, liner plate 1, it does not directly contact with battery 5, and contact with the baffle plate of clamping plate 4, baffle plate has a heat dissipation wind channel, so groove is no longer set on liner plate 1.
Steel band 9 is connected on two end plates, forms the rigid frame of protection battery 5 with end plate, and guarantees the tight connection of end plate, liner plate, clamping plate 4 and not separated.
Conductive bus-bar 10 is flat structure, be fastened on electrode, by certain arrangement, connect, realize the series/parallel of 5, battery, and draw separately an electrode on the conductive bus-bar 10 that is positioned at battery module two ends, as the both positive and negative polarity of whole battery pack in battery module.
Circuit board 11 is fixed on clamping plate 4, has electric sampling tie point 13 and temperature sensor 14 on lower surface, and electric sampling tie point 13 contacts with conductive bus-bar 10 and gathers electric signal, and temperature sensor 14 contacts collecting temperature with battery or conductive bus-bar.Circuit board 11 both sides are fixed with connector 12, are used for connecting circuit components and parts.
Deep bead 6 is plastic plate, is fixed on clamping plate 4 both sides, forms two main heat dissipation wind channels.
End clamping plate 1 are plastic material, are positioned at end plate outside.Respectively there is a slotted hole position of the main heat dissipation wind channel of the corresponding clamping plate in end clamping plate 1 both sides in order to ventilate, and in centre, is provided with the installation site of battery management circuit and high-pressure conductive part.
The foregoing is only the utility model preferred embodiment; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (9)

1. battery module, it comprises clamping plate, battery, end plate and steel band, it is characterized in that: battery is fixed in clamping plate, on the front-back of clamping plate, there are respectively alignment pin and location hole, by coordinating of alignment pin between adjacent two clamping plate and location hole, a plurality of clamping plate with battery combined, at the two ends of this combination, an end plate is respectively set, in two end plates, there are pin and hole with clamping plate corresponding matching, by steel band, two end plates linked together, and clamping plate and battery are exerted pressure.
2. battery module according to claim 1, is characterized in that: every battery has one side to post dielectric film, to form an insulating barrier between two adjacent batteries.
3. battery module according to claim 1, is characterized in that: on clamping plate, have at least two baffle plates, when the clamping plate that battery is housed are combined, make to form between adjacent battery a heat dissipation wind channel of both ends open.
4. battery module according to claim 3, it is characterized in that: respectively there is a groove communicating with a heat dissipation wind channel clamping plate both sides, a plurality of clamping plate are joined together to form two grooves that communicate with a heat dissipation wind channel, deep bead is fixed on clamping plate, and forming two main heat dissipation wind channels that communicate with all heat dissipation wind channels together with two long recess, two main heat dissipation wind channels are respectively used to air intake and air draft.
5. battery module according to claim 1, it is characterized in that: end plate be provided with by battery module be fixed on interface on battery case and and adjacent battery modules between the interface that is connected and fixed, end plate with and its clamping plate that coordinate between have insulation material liner plate, on liner plate and end plate, corresponding to the position that forms main heat dissipation wind channel, be provided with port, the corresponding position that forms a heat dissipation wind channel is provided with the ventilation slot UNICOM main heat dissipation wind channel in both sides.
6. battery module according to claim 1, is characterized in that: the electrode of battery exposes from clamping plate top, and conductive bus-bar is connected in turn on the electrode of battery.
7. battery module according to claim 6, it is characterized in that: on clamping plate, be also fixed with circuit board, on circuit board, there are electric sampling tie point and temperature sensor, electric sampling tie point is connected collection electric signal with conductive bus-bar, temperature sensor contacts collecting temperature with battery or conductive bus-bar.
8. battery module according to claim 1, is characterized in that: end plate outside is provided with the end clamping plate of insulation material, is provided with the installation site of battery management circuit and high-pressure conductive part on end clamping plate.
9. battery module according to claim 7, is characterized in that: electric sampling tie point adopts the electroconductive elastic sheet being fixed on circuit board to press to touch and on conductive bus-bar, gathers electric signal.
CN201320732428.6U 2013-11-20 2013-11-20 Battery module Expired - Lifetime CN203760534U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320732428.6U CN203760534U (en) 2013-11-20 2013-11-20 Battery module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320732428.6U CN203760534U (en) 2013-11-20 2013-11-20 Battery module

Publications (1)

Publication Number Publication Date
CN203760534U true CN203760534U (en) 2014-08-06

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ID=51255773

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320732428.6U Expired - Lifetime CN203760534U (en) 2013-11-20 2013-11-20 Battery module

Country Status (1)

Country Link
CN (1) CN203760534U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105006533A (en) * 2015-06-12 2015-10-28 东南大学 Isolation type modularization power battery pack with shock absorption structure
CN107394068A (en) * 2016-02-19 2017-11-24 株式会社杰士汤浅国际 The manufacture method of electrical storage device and the electrical storage device
CN108011056A (en) * 2017-11-07 2018-05-08 合肥国轩高科动力能源有限公司 A kind of battery modules
CN109817858A (en) * 2019-01-25 2019-05-28 北京海博思创科技有限公司 Battery case
CN110379962A (en) * 2019-01-09 2019-10-25 比亚迪股份有限公司 Power battery pack, energy storage device and electric vehicle
CN111987257A (en) * 2020-08-28 2020-11-24 东莞市博创能源有限公司 Overcharge-prevention lithium ion battery pack and preparation process thereof
CN112310540A (en) * 2019-08-20 2021-02-02 宁德时代新能源科技股份有限公司 Battery module
CN114914614A (en) * 2022-05-16 2022-08-16 北京科易动力科技有限公司 Battery pack
US11955651B2 (en) 2019-01-09 2024-04-09 Byd Company Limited Power battery pack and electric vehicle

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105006533B (en) * 2015-06-12 2017-07-18 东南大学 A kind of isolated modular power battery pack with shock-damping structure
CN105006533A (en) * 2015-06-12 2015-10-28 东南大学 Isolation type modularization power battery pack with shock absorption structure
CN107394068A (en) * 2016-02-19 2017-11-24 株式会社杰士汤浅国际 The manufacture method of electrical storage device and the electrical storage device
CN107394068B (en) * 2016-02-19 2021-06-15 株式会社杰士汤浅国际 Power storage device and method for manufacturing same
CN108011056B (en) * 2017-11-07 2021-04-02 合肥国轩高科动力能源有限公司 Battery module
CN108011056A (en) * 2017-11-07 2018-05-08 合肥国轩高科动力能源有限公司 A kind of battery modules
CN110379962A (en) * 2019-01-09 2019-10-25 比亚迪股份有限公司 Power battery pack, energy storage device and electric vehicle
US11955651B2 (en) 2019-01-09 2024-04-09 Byd Company Limited Power battery pack and electric vehicle
CN109817858A (en) * 2019-01-25 2019-05-28 北京海博思创科技有限公司 Battery case
WO2021031762A1 (en) * 2019-08-20 2021-02-25 宁德时代新能源科技股份有限公司 Battery module, battery pack, and apparatus using battery cell
CN112310540A (en) * 2019-08-20 2021-02-02 宁德时代新能源科技股份有限公司 Battery module
US11476533B2 (en) 2019-08-20 2022-10-18 Contemporary Amperex Technology Co., Limited Battery module, battery pack, and apparatus using battery cell
CN111987257B (en) * 2020-08-28 2022-06-17 深圳市博科新能源有限公司 Overcharge-prevention lithium ion battery pack and preparation process thereof
CN111987257A (en) * 2020-08-28 2020-11-24 东莞市博创能源有限公司 Overcharge-prevention lithium ion battery pack and preparation process thereof
CN114914614A (en) * 2022-05-16 2022-08-16 北京科易动力科技有限公司 Battery pack
CN114914614B (en) * 2022-05-16 2023-09-12 北京科易动力科技有限公司 battery pack

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C41 Transfer of patent application or patent right or utility model
TR01 Transfer of patent right

Effective date of registration: 20160503

Address after: Jintian road Suzhou Industrial Park Suzhou city Jiangsu province 215000 No. 2 East Industrial Building 17 square

Patentee after: SUZHOU KEY NEW POWER TECHNOLOGY CO.,LTD.

Address before: 100195 Beijing city Haidian District minzhuang Road No. 3, Tsinghua Science Park Yuquan Huigu No. 12 B106

Patentee before: BEIJING KEY POWER TECHNOLOGY Co.,Ltd.

CX01 Expiry of patent term

Granted publication date: 20140806

CX01 Expiry of patent term