CN209389089U - Battery module frame structure - Google Patents

Battery module frame structure Download PDF

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Publication number
CN209389089U
CN209389089U CN201822156167.3U CN201822156167U CN209389089U CN 209389089 U CN209389089 U CN 209389089U CN 201822156167 U CN201822156167 U CN 201822156167U CN 209389089 U CN209389089 U CN 209389089U
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China
Prior art keywords
battery core
frame structure
module frame
battery
battery module
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CN201822156167.3U
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Chinese (zh)
Inventor
冯颖
梁健
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China Automotive Battery Research Institute Co Ltd
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China Automotive Battery Research Institute Co Ltd
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Priority to CN201822156167.3U priority Critical patent/CN209389089U/en
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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 relates to electronic energy technology fields, disclose a kind of battery module frame structure, which includes: to be surrounded by upper housing, lower case and two side end panels and formed the module framework with battery core accommodating cavity;Battery core mould group is arranged in the battery core accommodating cavity, and the inside bottom of the lower case is equipped with adhesive layer, and the battery core mould group is fixed on the inside bottom of the lower case by the first adhesive layer.A kind of battery module frame structure provided by the embodiment of the utility model, the modules of the module framework mainly splice composition by the way of bonding, simultaneously, battery core is also fixed in module framework by the way of bonding, compared to the connection of traditional welding form, adhesion process is easy to operate, equipment and construction cost are cheap, suitable for mechanization production, the adhesive layer between battery core and module framework can play certain insulating effect simultaneously, instead of traditional insulation spacer, activity time is saved, production cost is reduced.

Description

Battery module frame structure
Technical field
The utility model relates to electronic energy technology fields, more particularly to a kind of battery module frame structure.
Background technique
Battery plays an important role as energy-storage units in all trades and professions, such as power battery is widely used in new-energy automobile Equal fields, wherein can have in the battery pack of power battery by multiple single batteries it is in series or in parallel with each other at battery modules with Realize the function of charge and discharge.With the rise and development of new-energy automobile industry, the lightweight of electrokinetic cell system and it is low at This chemical conversion is the main trend of industry development.Therefore to the simple and reliable for structure of battery modules, the requirement of lower price high efficiency is also being held It is continuous to increase.
If being welded currently, battery modules are usually successively stacked by dry cell by both ends metal end plate and two sides metal side plate Connect to be formed frame by battery fixation form mould group.Wherein, welding is mostly used greatly between the modules of most of battery modules Mode is spliced, and welding cost is high, complex operation.
Utility model content
(1) technical problems to be solved
Purpose of the utility model is to solve the conventional batteries module framework technologies that structure is complicated, process costs are high to ask Topic, provides a kind of battery module frame structure.
(2) technical solution
For the technical problems in the prior art, the utility model provides a kind of battery module frame structure, the dress Set includes: to be surrounded by upper housing, lower case and two side end panels and formed the module framework with battery core accommodating cavity;Battery core mould group It is arranged in the battery core accommodating cavity, the inside bottom of the lower case is equipped with adhesive layer, and the battery core mould group passes through the first glue Adhesion coating is fixed on the inside bottom of the lower case.
Further, first adhesive layer is viscose glue, heat-conducting glue or adhesive heat-conducting pad.
Further, it is correspondingly arranged one group of radiating subassembly on the inside of two side end panels, two radiating subassemblies Between inside and the outermost battery core of battery core mould group, pass through second between the two neighboring battery core of the battery core mould group respectively Adhesive layer bonding.
Further, the second adhesive layer is heat-conducting glue;The radiating subassembly includes: multiple spaced apart heat sinks, phase Pass through thermally conductive gluing respectively between adjacent two heat sinks, between the heat sink and outermost battery core of battery core mould group It connects.
Further, each heat sink is equipped with connection pedestal, and the connection pedestal includes: to be connected to each other to form Z-type The lug boss and concave part of structure.
Further, two side end panels are connected and fixed with the upper housing, lower case by laser welding.
Further, mounting hole is respectively equipped in two side end panels.
Further, the outside of the upper housing is equipped with reinforcing rib.
Further, the inside of the inner sidewall of the upper housing and the radiating subassembly is respectively by way of bonding Coat one layer of insulating heat-conductive film.
Further, the thermal coefficient of the insulating heat-conductive film is 0.2W/MK.
(3) beneficial effect
A kind of battery module frame structure provided by the embodiment of the utility model, battery core mould group are fixed by the way of bonding In module framework, compared to the connection of traditional welding form, adhesion process is easy to operate, equipment and construction cost are cheap, fits Adhesive layer for mechanization production, while between battery core and module framework can play certain insulating effect, instead of tradition Insulation spacer, save activity time, reduce production cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the utility model battery module frame structure;
Fig. 2 is the structural schematic diagram of one embodiment of the utility model upper housing;
Fig. 3 is the structural schematic diagram of another embodiment of the utility model upper housing;
Fig. 4 is the structural schematic diagram of one embodiment of the utility model lower case;
Fig. 5 is the structural schematic diagram of one embodiment of the utility model radiating subassembly;
Fig. 6 is the partial enlargement structural representation of part A in Fig. 5.
Wherein:
Upper housing 1, lower case 2, side end panel 3, battery core accommodating cavity 4, heat sink 5 connect pedestal 6, and insulating heat-conductive film 7 adds Strengthening tendons 11, the first adhesive layer 21, mounting hole 31, lug boss 61, concave part 62.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Example is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition The concrete meaning of language in the present invention.
Fig. 1 gives the structural schematic diagram of one embodiment of the utility model battery module frame structure;Fig. 2 gives this reality With the structural schematic diagram of novel one embodiment of upper housing;The structure that Fig. 3 gives another embodiment of the utility model upper housing is shown It is intended to;Fig. 4 gives the structural schematic diagram of one embodiment of the utility model lower case.As shown in Figs 1-4, the device include: by Upper housing 1, lower case 2 and two side end panels 3 surround the module framework for being formed and having battery core accommodating cavity 4.
Specifically, steel or the molding U-shaped structure shell of PC material injection, 1, two side of upper housing can be used in upper housing 1 Steel plate or PC plate can be used in plate 3, and two side end panels 3 are separately mounted to the both ends of lower case 2, upper housing 1 and lower case 2, two A side end panel 3 is connected to each other, to constitute module framework structure, the shape of the module framework is cuboid, square or cylinder Deng.
It is connected by the way of welding between upper housing 1 and lower case 2, enhances the mechanical performance of mould group entirety.Upper Reinforcing rib 11 can be set in the outside of shell 1, strengthens the mechanical strength of upper housing 1, so that it is guaranteed that entire battery module structure Stability.
The mechanical strength that battery modules entirety is strengthened using integrally formed mould group side end panel 3, reduces welding cost. The left and right sides exterior angle of two side end panels 3 may be designed as rounded corner, it is ensured that the fastness and safety of module framework, further Ground can also be each provided with a mounting hole 31 along its short transverse in two side end panels 3, using screw to end plate and busbar connector Carry out locking connection.
The region that upper housing 1, lower case 2 and two side end panels 3 are surrounded is battery core accommodating cavity 4, the battery core accommodating cavity 4 For accommodating the battery core mould group being made of multiple battery cores, multiple battery cores accumulation arrangement in a row in the area, the battery core mould group with It is adhesively fixed between the inside bottom of lower case 2 by the first adhesive layer 21, equally avoids connecting by the way of welding, reduce Welding cost.
When carrying out the installation of battery core mould group, it first can be laid with one layer of adhesive-layer in the inside bottom of lower case 2, by multiple electricity Core model group is arranged in rows the inside bottom in lower case 2 and is adhesively fixed;Again by upper housing 1 and lower case 2 and two side end panels 3 Module framework is formed by welding, so that battery core mould group is loaded in the module framework.Wherein, the first adhesive layer 21 can be used Viscose glue, heat-conducting glue or adhesive heat-conducting pad etc..
A kind of battery module frame structure provided by the embodiment of the utility model, battery core mould group are fixed by the way of bonding In module framework, compared to the connection of traditional welding form, adhesion process is easy to operate, equipment and construction cost are cheap, fits For mechanization production, while the adhesive layer between battery core mould group and module framework can play certain insulating effect, instead of Traditional insulation spacer, saves activity time, reduces production cost.
Fig. 5 gives the structural schematic diagram of one embodiment of the utility model radiating subassembly;Fig. 6 is the office of part A in Fig. 5 Portion's enlarged structure schematic diagram.On the basis of the above embodiments, it in the present embodiment, as seen in figs. 5-6, is also set in the module framework It is equipped with radiating subassembly, the heat of battery core module internal is conducted to outside, realizes the purpose of battery core heat dissipation.Radiating subassembly specifically may be used Be made of multiple heat sinks 5, between multiple heat sinks 5 by the second adhesive layer be bonded, close to battery core mould group heat sink 5 with most The battery core in outside is bonded by the second adhesive layer, and is equally bonded each other by the second adhesive layer between two neighboring battery core.Respectively Between a heat sink 5, between heat sink 5 and battery core, wherein heat-conducting glue can be used in the second adhesive layer, it is all made of between each battery core Thermally conductive glue connection, one side adhesion process installs rapid and convenient, at low cost, and another aspect heat-conducting glue can play insulation and heat dissipation Bilayer effect.
On the basis of the various embodiments described above, in the present embodiment, one layer of 2 inside bottom of lower case laying is adhesive thermally conductive Gasket, multiple battery core Mo Zu pass through the inside bottom that heat-conducting pad is bonded in lower case 2 respectively.Heat-conducting pad both may be implemented to glue The purpose connect may also function as the purpose of heat conduction and heat radiation.
On the basis of the various embodiments described above, in the present embodiment, 5 arranged for interval of the multiple heat sinks row of radiating subassembly is constituted Column, the bottom of each heat sink 5 are equipped with connection pedestal 6.The connection pedestal 6 includes: the lug boss for being connected to each other and forming Z-type structure 61 and concave part 62, concave part 62 plays the work of fixed battery core mould group by bonding together on the inside of heat-conducting pad and lower case 2 With.The setting of concave part 62 provides space to the expansion of battery, and the setting of lug boss 61 enable side other than it with Battery core side carries out even closer splicing, improves the structural stability of general frame.Wherein, aluminium sheet, copper can be used in heat sink 5 One of plate, steel plate or a variety of combinations.
On the basis of the various embodiments described above, in the present embodiment, the inner sidewall of upper housing 1 and the inside point of heat sink 5 One layer of insulating heat-conductive film 7, such as insulation PC film are not coated by way of bonding, thermal coefficient is preferably 0.2W/MK.Insulation Heat conducting film 7 improves heat insulation while reducing production process to coating on the inside of upper housing 1 and radiating subassembly.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (10)

1. a kind of battery module frame structure characterized by comprising surrounded by upper housing, lower case and two side end panels Form the module framework with battery core accommodating cavity;Battery core mould group is arranged in the battery core accommodating cavity, the inside of the lower case Bottom is equipped with adhesive layer, and the battery core mould group is fixed on the inside bottom of the lower case by the first adhesive layer.
2. battery module frame structure according to claim 1, which is characterized in that first adhesive layer is viscose glue, leads Hot glue or adhesive heat-conducting pad.
3. battery module frame structure according to claim 1, which is characterized in that the inside of two side end panels is corresponding One group of radiating subassembly is set, between the inside and the outermost battery core of battery core mould group of two radiating subassemblies, the electricity It is bonded respectively by the second adhesive layer between the two neighboring battery core of core model group.
4. battery module frame structure according to claim 3, which is characterized in that the second adhesive layer is heat-conducting glue;It is described Radiating subassembly includes: multiple spaced apart heat sinks, the heat sink between the two neighboring heat sink, close to battery core mould group Pass through thermally conductive glue sticking respectively between outermost battery core.
5. battery module frame structure according to claim 4, which is characterized in that each heat sink is equipped with connection bottom Seat, the connection pedestal includes: the lug boss and concave part for being connected to each other and forming Z-type structure.
6. battery module frame structure according to claim 1-5, which is characterized in that two side end panels with The upper housing, lower case are connected and fixed by laser welding.
7. battery module frame structure according to claim 6, which is characterized in that be respectively equipped in two side end panels Mounting hole.
8. battery module frame structure according to claim 1, which is characterized in that the outside of the upper housing, which is equipped with, to be reinforced Muscle.
9. battery module frame structure according to claim 3, which is characterized in that the inner sidewall of the upper housing and The inside of the radiating subassembly coats one layer of insulating heat-conductive film by way of bonding respectively.
10. battery module frame structure according to claim 9, which is characterized in that the thermally conductive system of the insulating heat-conductive film Number is 0.2W/MK.
CN201822156167.3U 2018-12-21 2018-12-21 Battery module frame structure Active CN209389089U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822156167.3U CN209389089U (en) 2018-12-21 2018-12-21 Battery module frame structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822156167.3U CN209389089U (en) 2018-12-21 2018-12-21 Battery module frame structure

Publications (1)

Publication Number Publication Date
CN209389089U true CN209389089U (en) 2019-09-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111370611A (en) * 2020-03-17 2020-07-03 天津市捷威动力工业有限公司 Power battery module
CN111446482A (en) * 2020-05-14 2020-07-24 湖北亿纬动力有限公司 Assembling method of battery cell module and battery cell module
CN112670649A (en) * 2020-11-16 2021-04-16 浙江零跑科技有限公司 Power battery box lower case and connection step thereof with power battery

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111370611A (en) * 2020-03-17 2020-07-03 天津市捷威动力工业有限公司 Power battery module
CN111446482A (en) * 2020-05-14 2020-07-24 湖北亿纬动力有限公司 Assembling method of battery cell module and battery cell module
CN112670649A (en) * 2020-11-16 2021-04-16 浙江零跑科技有限公司 Power battery box lower case and connection step thereof with power battery

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