CN203760534U - Battery module - Google Patents
Battery module Download PDFInfo
- 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
Links
- 230000017525 heat dissipation Effects 0.000 claims description 37
- 238000005070 sampling Methods 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000011324 bead Substances 0.000 claims description 7
- 239000012774 insulation material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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
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.
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 |
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CN203760534U true CN203760534U (en) | 2014-08-06 |
Family
ID=51255773
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201320732428.6U Expired - Lifetime CN203760534U (en) | 2013-11-20 | 2013-11-20 | Battery module |
Country Status (1)
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CN (1) | CN203760534U (en) |
Cited By (9)
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 |
-
2013
- 2013-11-20 CN CN201320732428.6U patent/CN203760534U/en not_active Expired - Lifetime
Cited By (16)
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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Legal Events
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 |