CN102916146B - Box battery pack with insulation safety structure - Google Patents

Box battery pack with insulation safety structure Download PDF

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Publication number
CN102916146B
CN102916146B CN201210413915.6A CN201210413915A CN102916146B CN 102916146 B CN102916146 B CN 102916146B CN 201210413915 A CN201210413915 A CN 201210413915A CN 102916146 B CN102916146 B CN 102916146B
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CN
China
Prior art keywords
insulation
battery
cell
battery module
frame
Prior art date
Application number
CN201210413915.6A
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Chinese (zh)
Other versions
CN102916146A (en
Inventor
林韩
吴文宣
陈彬
郑高
吴涵
杨凯
王丽娜
刘皓
李大贺
高飞
惠东
Original Assignee
福建省电力有限公司
国家电网公司
福建省电力有限公司电力科学研究院
中国电力科学研究院
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Application filed by 福建省电力有限公司, 国家电网公司, 福建省电力有限公司电力科学研究院, 中国电力科学研究院 filed Critical 福建省电力有限公司
Priority to CN201210413915.6A priority Critical patent/CN102916146B/en
Publication of CN102916146A publication Critical patent/CN102916146A/en
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Publication of CN102916146B publication Critical patent/CN102916146B/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 invention relates to a secondary power supply, and particularly relates to a box battery pack with an insulation safety structure. The box battery pack is structurally characterized by comprising a plurality of vertically and horizontally arranged battery modules distributed in a box, and each battery module comprises a plurality of single batteries, an insulating base and an insulating top cover; and the box battery pack also comprises a fixed L plate and a box, wherein the fixed L plate is used for fixedly installing and connecting the plurality of horizontally-arranged battery modules. The box battery pack disclosed by the invention has the advantages that through taking the battery modules as component units, carrying out overall insulated wrapping on the battery modules and carrying out insulated isolation among single batteries in the modules, the connection and disconnection operations between the single batteries in the modules and between the modules are effectively distinguished, so that the potential safety hazards in the aspect of operation are reduced, and a modularized operation can be performed both in the aspects of application and maintenance, therefore, the box battery pack is simple and convenient to operate. In addition, because a radiating channel is left due to incomplete isolation, the temperature difference between the single batteries is effectively reduced, thereby prolonging the service life of the batteries and ensuring the application performance of the batteries.

Description

There is the box type battery group of insulation safety structure
Technical field
The present invention relates to a kind of secondary power supply, particularly a kind of box type battery group with insulation safety structure.
Background technology
In prior art, face the problems such as environmental pollution is serious, petroleum resources are exhausted, climate warming, the research and development of energy storage technology is more and more subject to the attention of the departments such as various countries' energy, traffic, electric power.Battery, as the critical component of energy storage, directly affects the performance of energy-storage system.Needed for energy-storage system, number of battery cells is comparatively large, usually adopts several cell composition battery module, then is combined to form large-scale energy-storage system by multiple battery module.Be subject to the restriction in space, battery in energy-storage system all needs close-packed arrays to connect, intensive arranged together of its electrode, therefore carry out battery install connect in, easily there is misconnection, and due to the spacing of battery electrode too near, easily short circuit is there is during operation, when operating one of them electrode, also easily touching the battery electrode closed on, causing human electric shock; In addition, the connection between all electrodes and electrode is all outside exposed, therefore causes above-mentioned battery module to there is security hidden trouble.
In addition, when compact arranged battery cell is with different multiplying discharge and recharge, battery can produce amount of heat with different heat-dissipating speed, adds that the accumulation of time and the impact in space can produce uneven heat accumulation, thus causes the complicated and changeable of battery pack operating ambient temperature.Due to the intensive layout of a large amount of battery, zone line will inevitably assemble more heat transfer, and edge is less, causes cell between battery pack to there is the larger temperature difference, the inconsistency of internal resistance, capacity etc. between aggravation battery.If long time integration, percentage of batteries can be caused to overcharge and cross and to put, and then affect life-span and the performance of battery, and cause potential safety hazard.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art part, and propose the box type battery group with insulation safety structure that a kind of fail safe is high, heat dispersion is good.
The present invention is achieved through the following channels:
Have the box type battery group of insulation safety structure, its structural feature is, include a plurality of battery modules of the vertical and horizontal arrangement be distributed in casing, the side of casing is distributed with a plurality of ventilation hole; Each battery module includes a plurality of cell, insulator foot and insulating top cover; Be provided with the longitudinal groove side by side identical with cell quantity above insulator foot, each groove size is all adaptive with cell, and a plurality of cell is seated in this plurality of grooves; Insulating top cover includes insulation frame and insulation cover plate, insulation frame is distributed with the longitudinal caulking groove side by side identical with cell quantity, this caulking groove is corresponding with the groove on insulator foot, insulation frame is enable to be embedded on this plurality of cell, and upwards expose electrode, insulation cover plate lid overlays on insulation frame, and is connected with insulation frame;
Also include fixed L plate and a casing, fixed L plate is positioned in the outermost surface of transversely arranged battery module, installing hole through on the insulator foot of each battery module and the width of insulation frame and before and after fixed L plate is provided with, and be applied in this installing hole by a kind of pull bar, transversely arranged battery module is linked together.
Like this, box type battery group is just made up of multiple battery module unit, each battery module is provided with insulator foot and insulating top cover, make battery module can become a unitary construction, this complete modular entirety makes described battery module no longer expose in air, but adopt insulator foot and insulating top cover to carry out coated on the whole, and insulator foot and insulation frame all arrange and the suitable groove of cell sectional dimension or caulking groove, all there is insulating barrier between adjacent slot, insulation division board between caulking groove on insulation frame has kept apart the electrode between cell, therefore easily distinguish when operating, not easily make mistakes, eliminate potential safety hazard, there is good fail safe, battery module as a whole carries out patching operations between multiple module in addition, and can carry out modular operation in use or operation maintenance, therefore operates more simple and convenient.
In addition, no matter be between adjacent battery modules, or the cell that in battery module, the upper and lower of each cell is equal and adjacent has carried out insulating isolation by the insulating barrier between groove and groove, simultaneously at the middle part of easily heating, stay between adjacent two batteries ventilation cell every, this ventilation cell is every can as air-cooled passage, operationally take away the heat of battery surface, be conducive to the heat radiation of battery, reduce the temperature difference between cell, extend the useful life of battery, ensure that the serviceability of battery, improve the safety in utilization of battery module.
The present invention can be specially further:
Also include the first dividing plate in battery module, its stand on insulation frame above and vertical with the length direction of caulking groove, between the positive terminal and negative terminal of cell.
Each cell all has the electrode column of positive pole and negative pole, and in battery module, the spacing of positive and negative terminals is very near, easily touches both positive and negative polarity in operation simultaneously, makes battery short circuit, cause the accident; Therefore, can be kept apart by the positive and negative polarities of the first dividing plate by battery in battery module further, ensure that the insulation safety isolation between battery positive and negative polarities.
Also include second partition in battery module, it stands on above the frame of insulation frame, is positioned at the positive terminal of cell or a side of negative terminal.
In box type battery group, owing to needing between battery module and battery module to be connected, but this connection is often serial connection, it can only be the connection of positive terminal or negative terminal one side, another side there is no connection, but it is very many owing to connecting between battery in wiring, connection error is often easily caused by misconnection in connectionless side, battery short circuit, therefore need, by second partition, insulation is carried out in connectionless side to cut off, stop misconnection and accident, improve the security performance of battery module.
First dividing plate and second partition end are connected to form one, and are " L " type baffle plate configuration.Further, structure should be integrated with insulation frame by " L " type dividing plate, and also can be that split is independent, adopt binding agent or securing member to connect.
The present invention can also be specially further:
The below of the insulation cover plate of battery module is the fluting of " convex " font structure, two shoulders of " convex " font structure fluting are respectively distributed with a plurality of rectangular ventilation holes, the dual-side lower end of " convex " font structure is provided with convex inclination angle, and this convex inclination angle and described insulation frame are connected.
The Lower Half of insulation cover plate is for connecting insulation frame, the first half is used for providing assembly space and heat-dissipating space for the connector between battery, described rectangular ventilation holes can provide cooling duct for the heating of battery connecting piece, thus provide more fully radiating condition for battery module, improve its fail safe and heat dispersion further.
A plurality of rectangular ventilation holes that two shoulders of described " convex " font structure fluting respectively distribute are symmetrical structure.
Symmetrical rectangular ventilation holes forms the through heat dissipation channel in left and right via the heat-dissipating space of the insulation cover plate first half, takes away the heat of the connector on battery.
The battery cell that the rectangular ventilation hole number that each shoulder distributes has with battery module, that is, each battery cell can both the rectangular ventilation holes of corresponding a pair as its heat dissipation channel.
Because battery module also needs to be connected with other battery modules, therefore in order to not affect the connection between battery module, need the position according to connecting to reduce by a rectangular ventilation holes, this position becomes a breach of insulation cover plate, for the ease of production and the versatility of insulation cover plate, therefore:
The fillet of the wherein shoulder in two shoulders of described " convex " font structure fluting is side direction gap opened, and other parts are then distributed with rectangular ventilation holes.
Concrete, can be have two kinds of common versions: a kind of is arrange gap opened at the left scapuloanterior (LScA) angle of fluting, another kind is corresponding and front a kind of mode then, at right scapuloanterior angle, gap opened is set, this structure of two kinds can be able to make insulation cover plate provide a gap opened at any one fillet of battery module by rotating, and is convenient to the connection between battery module.
The width of a gap opened is consistent with a rectangular ventilation hole width, like this, rectangular ventilation holes on another fillet corresponding with this gap opened just can carry out corresponding with it, form heat dissipation channel, and the rectangular ventilation holes of other parts still can the one_to_one corresponding of left shoulder and right shoulder.
The present invention can also be specially further:
Described insulator foot and insulating top cover all adopt ABS material to make.
ABS material refers to Acrylonitrile Butadiene Styrene, acrylonitrile-butadiene-styrene copolymer.The existing good insulating properties of ABS material has again certain hardness, can meet the accommodation of heavier battery cell.
The lower bottom part of insulator foot has longitudinal, the horizontal and oblique reinforcement of complex root.
Longitudinal, the horizontal and oblique reinforcement of complex root makes insulator foot present a kind of multi-groove structure, like this while weight reduction, makes insulator foot have higher intensity, insulator foot can be made to have enough supporting roles to battery.
In sum, the invention provides a kind of box type battery group with insulation safety structure, its with the battery module of insulation safety type for component units, described battery module has carried out the insulation isolation between the cell in overall insulating wrapped and module, effectively connection in module between cell and between module and disassembling section are distinguished, decrease operational potential safety hazard, can modular operation be carried out simultaneously in use or operation maintenance, therefore operate more simple and convenient.In addition, because above-mentioned insulation isolation have employed incomplete isolation with the structure of low groove upper embedded groove, only isolate operation part, cell mid portion for easily heating leaves heat dissipation channel because not exclusively isolating, effectively reduce the temperature difference between cell, extend the useful life of battery, ensure that the serviceability of battery, improve the safety in utilization of battery module.
Accompanying drawing explanation
Fig. 1 is the structural representation with the box type battery group of insulation safety structure of the present invention;
Fig. 2 is the structural representation of battery cell of the present invention;
Fig. 3 is the structural representation of battery module of the present invention;
Fig. 4 is insulator foot plan structure schematic diagram in battery module of the present invention;
Fig. 5 is that in battery module of the present invention, insulator foot looks up structural representation;
Fig. 6 is the plan structure schematic diagram of frame of insulating in battery module of the present invention;
Fig. 7 be insulate frame in battery module of the present invention look up structural representation;
Fig. 8 is the plan structure schematic diagram of the insulation frame of the different setting direction of L-type dividing plate of the present invention;
Fig. 9 is the structural representation of insulation cover plate in battery module of the present invention;
Figure 10 is the structural representation of insulation cover plate one shoulder of the present invention when being provided with gap opened;
Figure 11 is the structural representation being made up of insulating top cover insulation frame and insulation cover plate of the present invention;
Figure 12 is the structural representation of fixed L plate of the present invention;
Figure 13 is the structural representation of the transversely arranged group of battery modules of row of the present invention;
Figure 14 is the front side structure schematic diagram of casing of the present invention;
Figure 15 is the rear structure schematic diagram of casing of the present invention.
Below in conjunction with accompanying drawing, the present invention is described further.
Embodiment
Most preferred embodiment:
With reference to accompanying drawing 1, there is the box type battery group of insulation safety structure, include casing 5 and be distributed in the vertical battery module A of two in casing 5 horizontal eight, and fixed L plate 6.
With reference to accompanying drawing 3, battery module is a kind of box type battery group with insulation safety structure, includes three cells, 1, insulator foot 2 and an insulating top cover, and insulating top cover includes insulation frame 3 and insulation cover plate 4.Describe the concrete structure of insulator foot 2 and insulating top cover below one by one in detail.
With reference to accompanying drawing 4 and accompanying drawing 5 on the basis of accompanying drawing 3, insulator foot 2 is provided with 3 groove 21(side by side and sees accompanying drawing 4), the length of groove and width and cell (concrete structure of cell is shown in accompanying drawing 2) semi-match, this groove 21 plays the effect of locating cell 1, the reinforcement 22(that the bottom of insulator foot 2 is provided with different directions is shown in Fig. 5), while weight reduction, there is higher intensity, enough supporting roles are played to battery.
With reference to accompanying drawing 6 and accompanying drawing 7 on the basis of accompanying drawing 3 and accompanying drawing 2, insulation frame 3 is provided with longitudinal 3 caulking grooves 31 side by side, this caulking groove 31 is corresponding with the groove on insulator foot 2, for embedding cell, length and width and cell 1 semi-match, play the effect of locating cell 1, the pole 11 of cell is exposed to the top of insulation frame 3.Insulation frame 3 is provided with L-type dividing plate 32 above, the transverse slat of L type dividing plate 32 is vertical with the length direction of caulking groove 31, which is provided with 3 open slots corresponding with caulking groove 31, corresponding caulking groove 31 direction of openend, the upper surface of such cell would not be hindered because of L-type dividing plate; L type dividing plate 32 stringer board is placed in insulation rear, frame 3 left side, as shown in Figure 6; Also as required L type dividing plate 32 stringer board can be placed in insulation front, frame 3 left side, as shown in Figure 8.Or be placed in insulation front, frame 3 right side or rear as required.
With reference to accompanying drawing 9, the below of insulation cover plate 4 is the fluting 41 of " convex " font structure, two shoulders of " convex " font structure fluting are respectively distributed with 3 rectangular ventilation holes 42, and it is symmetrical, one_to_one corresponding is on 3 cells, like this, symmetrical rectangular ventilation holes 42 forms the through heat dissipation channel in left and right via the heat-dissipating space of the insulation cover plate first half, takes away the heat of the connector on battery.Lower end, limit, the left and right sides is provided with convex inclination angle 43, and inner side is provided with 4 kick (not shown)s, plays the effect of location when coordinating with insulation frame 3.
Consider being connected of battery module and other modules, therefore, insulation cover plate 4 can also as shown in Figure 10, and the fillet of the wherein shoulder in two shoulders of described " convex " font structure fluting is side direction gap opened 44, and the rectangular ventilation holes of other parts is constant.The width of gap opened is consistent with a rectangular ventilation hole width, like this, rectangular ventilation holes on another fillet corresponding with this gap opened just can carry out corresponding with it, form heat dissipation channel, and the rectangular ventilation holes of other parts still can the one_to_one corresponding of left shoulder and right shoulder.
With reference to accompanying drawing 11, insulation cover plate 4 lid is overlayed on insulation frame 3, and is buckled in the downside of insulation frame 3 along upper by convex inclination angle 43, and coordinates with the kick of inner side realize both be fixedly connected with, thus form insulating top cover.
As shown in Figure 1, described insulator foot and insulating top cover all adopt ABS material to make.The existing good insulating properties of ABS material has again certain hardness, can meet the accommodation of heavier battery cell.
With reference to accompanying drawing 12 and accompanying drawing 13, flanging is had on the downside of fixed L plate 6, knuckle camber is 90 °, insulator foot 2, insulation frame 3 and fixed L plate 6 surrounding vertically on flanging is provided with the installing hole 7 that 4-8 corresponding aperture is 6-10 millimeter, and insulator foot 2, insulate frame 3 and fixed L plate 6 are fixed by installing hole 7 by the pull bar axially vertical with cell.Fixed L plate level flanging is provided with 4 circular holes, is connected by the base of bolt with casing 5.
With the frame of insulation shown in accompanying drawing 6 for K1, the frame of insulation shown in accompanying drawing 8 is K2, and the insulation frame that the transversely arranged group of battery modules so shown in accompanying drawing 13 is closed is the combination of K1, K2 loop configuration from left to right.In battery pack in fig. 1, only just adopt insulation cover plate as shown in Figure 10 at outermost battery module.
The casing of battery case is the packaging structure outside whole battery pack, and be the front view of casing as shown in figure 14, as shown in Figure 14, the front side of casing is provided with rectangle air inlet 8, and this air inlet is in the lower end of cabinet front.Be the rearview of casing as shown in figure 15, as shown in Figure 15, the rear side of casing is provided with fan outlet 9, the size of air outlet is corresponding with the air inlet of leading flank with position, and on rear side of casing, fan is other is provided with wiring hole and data string holes, this wiring hole be used for picking out the battery pack in battery case total just with total negative terminal, data string holes is used for picking out battery image data line.
It is same as the prior art that the present invention does not state part.

Claims (5)

1. have the box type battery group of insulation safety structure, it is characterized in that, include a plurality of battery modules of the vertical and horizontal arrangement be distributed in casing, the side of casing is distributed with a plurality of ventilation hole; Each battery module includes a plurality of cell, insulator foot and insulating top cover; Be provided with the longitudinal groove side by side identical with cell quantity above insulator foot, each groove size is all adaptive with cell, and a plurality of cell is seated in this plurality of grooves; Insulating top cover includes insulation frame and insulation cover plate, insulation frame is distributed with the longitudinal caulking groove side by side identical with cell quantity, this caulking groove is corresponding with the groove on insulator foot, insulation frame is enable to be embedded on this plurality of cell, and upwards expose electrode, insulation cover plate lid overlays on insulation frame, and is connected with insulation frame;
Also include fixed L plate and a casing, fixed L plate is positioned in the outermost surface of transversely arranged battery module, installing hole through on the insulator foot of each battery module and the width of insulation frame and before and after fixed L plate is provided with, and be applied in this installing hole by a kind of pull bar, transversely arranged battery module is linked together;
Battery module also includes the first dividing plate and second partition, the first dividing plate stand on insulation frame above and vertical with the length direction of caulking groove, between the positive terminal and negative terminal of cell; Second partition stands on above the frame of insulation frame, is positioned at the positive terminal of cell or a side of negative terminal;
The below of the insulation cover plate of battery module is the fluting of " convex " font structure, two shoulders of " convex " font structure fluting are respectively distributed with a plurality of rectangular ventilation holes, the dual-side lower end of " convex " font structure is provided with convex inclination angle, and this convex inclination angle and described insulation frame are connected.
2. the box type battery group with insulation safety structure according to claim 1, is characterized in that, a plurality of rectangular ventilation holes that two shoulders of described " convex " font structure fluting respectively distribute are symmetrical structure.
3. the box type battery group with insulation safety structure according to claim 1, it is characterized in that, the fillet of the wherein shoulder in two shoulders of described " convex " font structure fluting is side direction gap opened, and other parts are then distributed with rectangular ventilation holes.
4. the box type battery group with insulation safety structure according to claim 1, is characterized in that, described insulator foot and insulating top cover all adopt ABS material to make.
5. the box type battery group with insulation safety structure according to claim 1, is characterized in that, the lower bottom part of insulator foot has longitudinal, the horizontal and oblique reinforcement of complex root.
CN201210413915.6A 2012-10-24 2012-10-24 Box battery pack with insulation safety structure CN102916146B (en)

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Application Number Priority Date Filing Date Title
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CN102916146B true CN102916146B (en) 2014-12-31

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104201434A (en) * 2014-08-29 2014-12-10 合肥国轩高科动力能源股份公司 Heat-dissipation type battery pack of electric vehicle
CN106299166B (en) * 2016-09-20 2020-02-11 宁德时代新能源科技股份有限公司 Battery pack
CN109560215A (en) * 2017-09-25 2019-04-02 宁德时代新能源科技股份有限公司 Battery modules

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102208573A (en) * 2011-04-22 2011-10-05 东风汽车公司 Power battery pack arrangement, connection and assembly structure
CN102569937A (en) * 2012-02-15 2012-07-11 中国电力科学研究院 Radiating type flexible package battery module group
CN202363531U (en) * 2011-12-02 2012-08-01 苏州冠硕新能源有限公司 Battery module frame and battery assembly using the frame
CN202917609U (en) * 2012-10-24 2013-05-01 福建省电力有限公司 Case body battery pack with insulating safe structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011187275A (en) * 2010-03-08 2011-09-22 Hitachi Ltd Battery module, battery box housing the same, and rolling stock equipped with the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102208573A (en) * 2011-04-22 2011-10-05 东风汽车公司 Power battery pack arrangement, connection and assembly structure
CN202363531U (en) * 2011-12-02 2012-08-01 苏州冠硕新能源有限公司 Battery module frame and battery assembly using the frame
CN102569937A (en) * 2012-02-15 2012-07-11 中国电力科学研究院 Radiating type flexible package battery module group
CN202917609U (en) * 2012-10-24 2013-05-01 福建省电力有限公司 Case body battery pack with insulating safe structure

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开2011-187275A 2011.09.22 *

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