CN103151564A - Novel battery module structure - Google Patents
Novel battery module structure Download PDFInfo
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- CN103151564A CN103151564A CN2013100539578A CN201310053957A CN103151564A CN 103151564 A CN103151564 A CN 103151564A CN 2013100539578 A CN2013100539578 A CN 2013100539578A CN 201310053957 A CN201310053957 A CN 201310053957A CN 103151564 A CN103151564 A CN 103151564A
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- pole
- battery module
- polar ear
- cell polar
- insulating sleeve
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention discloses a novel battery module structure. The novel cell module structure comprises a battery module, the battery module is formed through the series connection and the laminating arrangement of the anodes and the cathodes a plurality of lamination electric cores, two ends of each of the lamination electric cores are respectively provided with an electric core tab, on end of the battery module is sleeved in a pole column end insulation sheath, the other end of the battery module is sleeved in an insulation sheath, tab openings used for the traversing of the electric core tabs are arranged in each of the pole column end insulation sheath and the insulation sheath, and the pole column end insulation sheath is provided with an anode column and a cathode column which are connected with the anode and the cathode of the battery module; and the battery module is wrapped in a module shell, and one end side surface of the module shell is provided with first installation holes for the traversing of the anode column and the cathode column. The novel battery module structure has the advantages of simple operation, convenient and fast installation, safety and reliability.
Description
Technical field
The present invention relates to the electric vehicle engineering field, refer to particularly it is a kind of Novel battery module structure.
Background technology
At present, lithium ion battery is widely used in such as fields such as electric automobiles, reaches higher voltage or larger capacity in order to make electrokinetic cell, often needs a plurality of battery core series connection or parallel connection to form power brick.But lightweight, the advantages such as thickness is little, capacity is large, internal resistance is little, flexible design, the good high current charge-discharge of fail safe that the laminated type battery core has.But the external packing of laminated type battery core is layer protecting film, easily pierces through under external force, need to have reliable external structure to protect battery core not to be subjected to outside destroy.And the lug of laminated type battery core is sheet, and thickness is all in the 0.3mm left and right, and under the environment of Vehicular vibration, the stress that vibration causes easily concentrates on the connecting portion of lug, and the reliability that causes connecting between battery core reduces.Simultaneously, great changes have taken place for the environment such as the region of automobilism, season, and to the insulated enclosure of electrokinetic cell, the conduction of interior part connecting part all has high requirements, and also will consider the internal stress that the external carbuncles such as external compression and inner expansion rate difference cause.In addition, consider reliability, maintainability and the manufacturability of electrokinetic cell batch production, reduce the cost of battery maintenance and replacing, battery core need to be formed suitable unit, be battery modular structure, improve the portability of battery and the flexibility of assembling with needs.
Summary of the invention
Purpose of the present invention is exactly the problem that will propose for the above-mentioned background technology, provide a kind of rational in infrastructure, flexibility is high, fail safe good, connect reliable Novel battery module structure.
technical scheme of the present invention is: a kind of Novel battery module structure, it comprises battery module, described battery module is that a plurality of laminated type battery core both positive and negative polarities are connected in series arranged stacked and form, the two ends of laminated type battery core are provided with cell polar ear, it is characterized in that: an end of described battery module is set in pole end insulating sleeve, the other end of battery module is set in insulating sleeve, all offer the lug opening that passes for cell polar ear in pole end insulating sleeve and insulating sleeve, be provided with on pole end insulating sleeve respectively with battery module just, Positive Poles and negative pole pole that negative pole connects, described battery module is wrapped in module housing, and an end side surface of module housing is provided be used to the first installing hole that passes Positive Poles and negative pole pole.
Insulating material arranged the module housing inner surface is docile and obedient, can make between battery module and module housing and insulate, have the safeguard protection performance.
Be provided with cushion blocking between one end face of described laminated type battery core and module housing, be provided with heat conductive pad between the other end of laminated type battery core and module housing, be provided with heat conductive pad between the laminated type battery core, cushion blocking can play the effect of shake-resistance pressure-reducing, and heat conductive pad can be delivered to the internal heat of battery module the module housing periphery.
The both positive and negative polarity of described cell polar ear is connected in series by connecting copper bar; In pole end insulating sleeve, vertically the cell polar ear of both sides is respectively anodal cell polar ear and negative pole cell polar ear, and anodal cell polar ear is connected with Positive Poles by the positive terminal connecting plate, and the negative pole cell polar ear is connected with the negative pole pole by the negative terminal connecting plate.
Be preferably: the laminated type battery core is provided with four layers, in pole end insulating sleeve, vertically the cell polar ear of both sides is respectively anodal cell polar ear and negative pole cell polar ear, anodal cell polar ear is connected with Positive Poles by the positive terminal connecting plate, the negative pole cell polar ear is connected with the negative pole pole by the negative terminal connecting plate, and middle two-layer cell polar ear connects by connecting welding copper bus; In insulating sleeve, ground floor is connected to connect copper bar and connects with second layer cell polar ear, and the 3rd layer connects by connecting copper bar with the 4th layer of cell polar ear.
Inner face at described pole end insulating sleeve is provided with the first inboard partition between cell polar ear; In the outer face of pole end insulating sleeve, be provided with the first outboard partition between connection copper bar and pole connecting plate; At the inner face of described insulating sleeve, be provided with the second inboard partition between cell polar ear; In the outer face of insulating sleeve, be provided with the second outboard partition between the connection copper bar.Design laminated type battery core just is arranged between the first inboard partition and the second inboard partition like this, the first inboard partition and the second inboard partition can tighten the laminated type battery core, prevent from mutually sliding between the laminated type battery core and produce friction, cause the outer diaphragm of battery core to damage, prevent that the battery core leakage from causing security incident, play the fixedly effect of battery core, raising fail safe; And the first outboard partition be connected the design of outboard partition and can guarantee that the connection of battery module in vibration processes when the vehicle operating is not short-circuited, and has ensured the safety and reliability of battery module.
The outside of described pole end insulating sleeve is provided with has the first insulation protection end of protective action and the second insulation protection end that the anticathode pole has protective action to Positive Poles; be provided with the embedded hole for pre-buried Positive Poles and negative pole pole in the first insulation protection end and the second insulation protection end; design can be embedded in Positive Poles and negative pole pole in pole end insulating sleeve like this; only need pole connecting plate and pole are linked together and namely complete installation; easy to assembly, and safe and reliable.
Described connection copper bar is provided with two the first lug slits, and cell polar ear inserts in the first lug slit, cell polar ear be connected copper bar and be fixedly connected with; Described pole connecting plate is provided with the second lug slit, and cell polar ear inserts in the second lug slit, and cell polar ear is fixedly connected with the pole connecting plate.Design makes the convenient fixing, quick of cell polar ear like this.
Described lug slit and the second lug slit two ends are equipped with through hole, so that the sample line of battery module inside is passed, facilitate the sample line cabling.
The end bending of described pole connecting plate is provided with terminal for connecting post in the bent end of pole connecting plate, is provided with the second installing hole that is complementary with pole in the middle of terminal.After the pole connecting plate was enclosed within on pole, pole passed the second installing hole, with fasteners such as nuts fastening tight after, the pole connecting plate just and pole firmly couple together.
The present invention is by being wrapped in battery module the design in module housing, can prevent that the easy phenomenon that pierces through in battery module surface of laminated type battery core composition occurs under external force, and the design that inboard partition isolates cell polar ear to be connected with cell polar ear external structure (connecting copper bar and pole connecting plate) to support mutually, battery core in battery module inside is connected have more reliability, the present invention is a kind of simple to operate, and is quick and easy for installation and have a Novel battery module structure of safety and reliability.
Description of drawings
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is battery modular structure schematic diagram in the present invention;
Fig. 3 is battery modular structure exploded perspective view in the present invention;
Fig. 4 is pole end insulating sleeve inside structure schematic diagram in the present invention;
Fig. 5 is pole end insulating sleeve outboard structure schematic diagram in the present invention;
Fig. 6 is insulating sleeve inside structure schematic diagram in the present invention;
Fig. 7 is insulating sleeve outboard structure figure in the present invention;
Fig. 8 connects the structure of copper bar schematic diagram in the present invention;
Fig. 9 is pole connecting board structure schematic diagram in the present invention.
Embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments, be convenient to be well understood to the present invention, but they do not consist of restriction to the present invention.
A kind of Novel battery module structure as shown in FIG., it comprises battery module 1, and battery module 1 forms for a plurality of laminated type battery core 1.1 both positive and negative polarities are connected in series arranged stacked, and the two ends of laminated type battery core 1.1 are provided with cell polar ear 1.5.In the present invention, one end of battery module 1 is set in pole end insulating sleeve 1.2, the other end of battery module 1 is set in insulating sleeve 1.3, the interior lug opening 1.4 that passes for cell polar ear 1.5 that all offers of pole end insulating sleeve 1.2 and insulating sleeve 1.3 is provided with the Positive Poles 3 and the negative pole pole 4 that are connected with the positive and negative electrode of battery module 1 respectively on pole end insulating sleeve 1.2; Described battery module 1 is wrapped in module housing 2, and an end side surface of module housing 2 is provided be used to the first installing hole 2.1 that passes Positive Poles 3 and negative pole pole 4.
In such scheme:
As shown in Figure 3, be provided with cushion blocking 1.6 between one end face of laminated type battery core 1.1 and module housing 2, be provided with heat conductive pad 1.7 between the other end of laminated type battery core 1.1 and module housing 2, be provided with heat conductive pad 1.7 between laminated type battery core 1.1, cushion blocking 1.6 can play the effect of shake-resistance pressure-reducing, and heat conductive pad 1.7 can be delivered to the internal heat of battery module 1 module housing 2 peripheries.
As shown in Figure 3, in the present embodiment, laminated type battery core 1.1 is provided with four layers, in pole end insulating sleeve 1.2, vertically the cell polar ear 1.5 of both sides is respectively anodal cell polar ear and negative pole cell polar ear, anodal cell polar ear is connected with Positive Poles 3 by positive terminal connecting plate 6.1, and the negative pole cell polar ear is connected with negative pole pole 4 by negative terminal connecting plate 6.2, and middle two-layer cell polar ear 1.5 is welded to connect by connecting copper bar 5; In insulating sleeve 1.3, ground floor is connected with second layer cell polar ear by connecting copper bar 5 connections, and the 3rd layer connects by connecting copper bar 5 with the 4th layer of cell polar ear 1.5.
As Fig. 4, shown in Figure 5, at the inner face of pole end insulating sleeve 1.2, be provided with the first inboard partition 1.8 between cell polar ear 1.5; In the outer face of pole end insulating sleeve 1.2, be provided with the first outboard partition 1.9 between connection copper bar 5 and pole connecting plate; At the inner face of described insulating sleeve 1.3, be provided with the second inboard partition 1.10 between cell polar ear 1.5; In the outer face of insulating sleeve 1.3, be provided with the second outboard partition 1.11 between connection copper bar 5.Design laminated type battery core 1.1 just is arranged between the first inboard partition 1.8 and the second inboard partition 1.10 like this, the first inboard partition 1.8 and the second inboard partition 1.10 can be with laminated type battery core 1.1 chuckings, prevent from mutually sliding between laminated type battery core 1.1 and produce friction, cause the outer diaphragm of battery core to damage, prevent that the battery core leakage from causing security incident, play the fixedly effect of battery core, raising fail safe; And the first outboard partition 1.9 be connected the design of outboard partition 1.11 and can guarantee that the connection of battery module in vibration processes when the vehicle operating is not short-circuited, and has ensured the safety and reliability of battery module.
As shown in Figure 5; the outside of pole end insulating sleeve 1.2 is provided with has to Positive Poles 3 embedded hole 1.12 that is provided with in the first insulation protection end 3.1 of protective action and the second insulation protection end 4.1, the first insulation protection ends 3.1 that anticathode pole 4 has protective action and the second insulation protection end 4.1 for pre-buried Positive Poles 3 and negative pole pole 4.Design can be embedded in Positive Poles 3 and negative pole pole 4 in pole end insulating sleeve 1.2 like this, only needs pole connecting plate and pole are linked together namely to complete installation, and is easy to assembly, and safe and reliable.
As Fig. 8, shown in Figure 9, in the present embodiment, connect copper bar 5 and be provided with two the first lug slits 7.1, cell polar ear 1.5 inserts in the first lug slits 7.1, cell polar ear 1.5 be connected copper bar 5 and be fixedly connected with; Described pole connecting plate 6 is provided with the second lug slit 7.2, and cell polar ear 1.5 inserts in the second lug slits 7.2, and cell polar ear 1.5 is fixedly connected with pole connecting plate 6, designs like this convenient fixing that makes cell polar ear 1.5, fast.Lug slit 7.1 and the second lug slit 7.2 two ends are equipped with through hole 7.3, so that the sample line of battery module 1 inside is passed, facilitate the sample line cabling.
As shown in Figure 9, the end bending of pole connecting plate 6 is provided with terminal 8 for connecting post in the bent end of pole connecting plate 6, is provided with the second installing hole 8.1 that is complementary with pole in the middle of terminal 8.After the pole connecting plate was enclosed within on pole, pole passed the second installing hole 8.1, with fasteners such as nuts fastening tight after, the pole connecting plate just and pole firmly couple together.
When assembling, with laminated type battery core 1.1 first and heat conductive pad 1.7 and cushion blocking 1.6 be sleeved in pole end insulating sleeve 1.2 and insulating sleeve 1.3, be loaded on and connect copper bar 5 and pole connecting plate, with the mode of slit welding with cell polar ear 1.5 be connected copper bar 5, pole connecting plate 6 welds, be loaded on module housing 2, Novel battery module structure just assembling is completed, and is simple to operate, easy for installation.
The present invention is particularly useful for cell polar ear and goes out respectively laminated type battery core at two ends, for the battery core of other models, if only need do simple modification to the scheme of invention design, also in the protection range of patent of the present invention.
Claims (10)
1. Novel battery module structure, it comprises battery module (1), described battery module (1) forms for a plurality of laminated type battery cores (1.1) both positive and negative polarity is connected in series arranged stacked, the two ends of laminated type battery core (1.1) are provided with cell polar ear (1.5), it is characterized in that: an end of described battery module (1) is set in pole end insulating sleeve (1.2), the other end of battery module (1) is set in insulating sleeve (1.3), all offer the lug opening (1.4) that passes for cell polar ear (1.5) in pole end insulating sleeve (1.2) and insulating sleeve (1.3), be provided with on pole end insulating sleeve (1.2) respectively with battery module (1) just, Positive Poles (3) and negative pole pole (4) that negative pole connects, described battery module (1) is wrapped in module housing (2), and an end side surface of module housing (2) is provided be used to the first installing hole (2.1) that passes Positive Poles (3) and negative pole pole (4).
2. Novel battery module structure according to claim 1 is characterized in that: insulating material arranged module housing (2) inner surface is docile and obedient.
3. Novel battery module structure according to claim 1, it is characterized in that: be provided with cushion blocking (1.6) between an end face of described laminated type battery core (1.1) and module housing (2), be provided with heat conductive pad (1.7) between the other end of laminated type battery core (1.1) and module housing (2), be provided with heat conductive pad (1.7) between laminated type battery core (1.1).
4. Novel battery module structure according to claim 1 is characterized in that: the both positive and negative polarity of described cell polar ear (1.5) is connected in series by connecting copper bar (5); In pole end insulating sleeve (1.2), vertically the cell polar ear (1.5) of both sides is respectively anodal cell polar ear and negative pole cell polar ear, anodal cell polar ear is connected with Positive Poles (3) by positive terminal connecting plate (6.1), and the negative pole cell polar ear is connected with negative pole pole (4) by negative terminal connecting plate (6.2).
5. Novel battery module structure according to claim 4, it is characterized in that: described laminated type battery core (1.1) is provided with four layers, in pole end insulating sleeve (1.2), vertically the cell polar ear (1.5) of both sides is respectively anodal cell polar ear and negative pole cell polar ear, anodal cell polar ear is connected with Positive Poles (3) by positive terminal connecting plate (6.1), the negative pole cell polar ear is connected with negative pole pole (4) by negative terminal connecting plate (6.2), and middle two-layer cell polar ear (1.5) is welded to connect by connecting copper bar (5); In insulating sleeve (1.3), ground floor is connected 1.5 with second layer cell polar ear) connect by connecting copper bar (5), the 3rd layer connects by connecting copper bar (5) with the 4th layer of cell polar ear (1.5).
6. Novel battery module structure according to claim 4, is characterized in that: at the inner face of described pole end insulating sleeve (1.2), be provided with the first inboard partition (1.8) between cell polar ear (1.5); In the outer face of pole end insulating sleeve (1.2), be provided with the first outboard partition (1.9) between connection copper bar (5) and pole connecting plate; Inner face in described insulating sleeve (1.3) is provided with the second inboard partition (1.10) between cell polar ear (1.5); Outer face in insulating sleeve (1.3) is provided with the second outboard partition (1.11) between connection copper bar (5).
7. Novel battery module structure according to claim 5; it is characterized in that: the outside of described pole end insulating sleeve (1.2) is provided with has the first insulation protection end (3.1) of protective action and the second insulation protection end (4.1) that anticathode pole (4) has protective action to Positive Poles (3), is provided with the embedded hole (1.12) for pre-buried Positive Poles (3) and negative pole pole (4) in the first insulation protection end (3.1) and the second insulation protection end (4.1).
8. Novel battery module structure according to claim 4, it is characterized in that: described connection copper bar (5) is provided with two the first lug slits (7.1), cell polar ear (1.5) inserts in the first lug slit (7.1), cell polar ear (1.5) be connected copper bar (5) and be fixedly connected with; Described pole connecting plate (6) is provided with the second lug slit (7.2), and cell polar ear (1.5) inserts in the second lug slit (7.2), and cell polar ear (1.5) is fixedly connected with pole connecting plate (6).
9. Novel battery module structure according to claim 8 is characterized in that: described lug slit (7.1) and the second lug slit (7.2) two ends are equipped with through hole (7.3).
10. Novel battery module structure according to claim 8, it is characterized in that: the end bending of described pole connecting plate (6), be provided with terminal (8) for connecting post in the bent end of pole connecting plate (6), be provided with the second installing hole (8.1) that is complementary with pole in the middle of terminal (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310053957.8A CN103151564B (en) | 2013-02-20 | 2013-02-20 | Novel battery module structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310053957.8A CN103151564B (en) | 2013-02-20 | 2013-02-20 | Novel battery module structure |
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| CN103151564A true CN103151564A (en) | 2013-06-12 |
| CN103151564B CN103151564B (en) | 2015-05-27 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0159358A1 (en) * | 1983-10-26 | 1985-10-30 | Steinhardt Lothar | Device for regulating the flow of a fluid from a container. |
| CN201072776Y (en) * | 2007-07-27 | 2008-06-11 | 万向集团公司 | Lithium ion battery |
| CN101593820A (en) * | 2008-05-30 | 2009-12-02 | 上海空间电源研究所 | A kind of lithium ion battery compound module |
| CN101635369A (en) * | 2009-06-04 | 2010-01-27 | 周金平 | Lithium-ion power battery |
| CN202013920U (en) * | 2011-04-07 | 2011-10-19 | 湖南丰源业翔晶科新能源股份有限公司 | Compacting and superimposing type integrated cell module |
| CN202423408U (en) * | 2012-01-06 | 2012-09-05 | 深圳市沃特玛电池有限公司 | Security structure of secondary battery |
| CN203071180U (en) * | 2013-02-20 | 2013-07-17 | 东风汽车公司 | Novel battery module structure |
-
2013
- 2013-02-20 CN CN201310053957.8A patent/CN103151564B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0159358A1 (en) * | 1983-10-26 | 1985-10-30 | Steinhardt Lothar | Device for regulating the flow of a fluid from a container. |
| CN201072776Y (en) * | 2007-07-27 | 2008-06-11 | 万向集团公司 | Lithium ion battery |
| CN101593820A (en) * | 2008-05-30 | 2009-12-02 | 上海空间电源研究所 | A kind of lithium ion battery compound module |
| CN101635369A (en) * | 2009-06-04 | 2010-01-27 | 周金平 | Lithium-ion power battery |
| CN202013920U (en) * | 2011-04-07 | 2011-10-19 | 湖南丰源业翔晶科新能源股份有限公司 | Compacting and superimposing type integrated cell module |
| CN202423408U (en) * | 2012-01-06 | 2012-09-05 | 深圳市沃特玛电池有限公司 | Security structure of secondary battery |
| CN203071180U (en) * | 2013-02-20 | 2013-07-17 | 东风汽车公司 | Novel battery module structure |
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| CN103151564B (en) | 2015-05-27 |
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