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Battery Module And Battery Pack

Abstract: The present invention relates to a battery module and a battery pack and, more specifically, to a battery module and a battery pack, wherein a coupling portion is formed in a module case which surrounds battery cells arranged side by side so that a creepage distance of a predetermined length is formed in the module case.

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Notices, Deadlines & Correspondence

Patent Information

Application #
Filing Date
29 January 2020
Publication Number
15/2020
Publication Type
INA
Invention Field
ELECTRICAL
Status
Email
IPO@KNSPARTNERS.COM
Parent Application
Patent Number
Legal Status
Grant Date
2024-01-23
Renewal Date

Applicants

LG CHEM, LTD.
128, Yeoui-daero, Yeongdeungpo-gu, Seoul 07336

Inventors

1. KEUM, Jong Yoon
310-1001, 27, Ochangjungang-ro, Ochang-eup, Cheongwon-gu, Cheongju-si, Chungcheongbuk-do 28124

Specification

The present invention relates to a battery module and a battery pack, more particularly, to a module case enclosing the battery cell consisting of the side arrangement of the battery modules and battery pack coupling portion is formed so as to form a creepage distance of a predetermined length.
[2]
BACKGROUND
[3]
The lithium secondary battery as a unit battery constituting the battery pack has been brought to light and flexible weighing in shape Roasting relatively free safety and excellent growth in demand for portable electronic devices, such as power mobile phones, camcorders, notebook computers.
[4]
Further, the shape of the secondary batteries are classified according to the shape of the battery case, the electrode assembly when that is embedded in a metallic can of cylindrical or rectangular has been classified as a cylindrical battery and a prismatic battery, the electrode assembly is a pouch-shaped aluminum laminate sheet If the built-in case there is classified as a pouch-shaped battery.
[5]
In addition, the electrode assembly is incorporated in a battery case an anode, a cathode, and the composed of the positive electrode and the separator structure interposed between the cathode and the charging / discharging is possible, the form of the cylindrical electrode assembly is an anode of the long sheet of the electrode active material coating is formed in the rolled-, by sequentially stacking the separator and the negative electrode wound jelly.
[6]
Batteries as described above when the sorted cells, a battery to a plurality of battery cells are connected in series and / or parallel to form a module, and this module is formed of a plurality of connecting one of the battery pack.
[7]
On the other hand, the battery pack to be secured to the creepage distance (Creepage Distance) of a predetermined length in order to prevent the cause of a spark of ignition, wherein the creepage distance (Creepage Distance) is the surface the distance between the conductor and the conductor (surface of the insulating material ) refers to the minimum distance along the clocked.
[8]
I the prior art, let insulating the battery pack in order to solve the above problems of such conventional solution will be described in detail in the example FIG.
[9]
1 is a structural diagram of a conventional battery cell and pack.
[10]
Referring to Figure 1, Figure 1- (a) is a battery cell, the insulating tube is applied, Fig. 1- (b), after placing the plurality of battery cells in a module just inside of the box-like case insulating portion coupled to the module case is a side structural view of the battery pack, the battery modules housed adhered member.
[11]
And the Figure 1- (a) battery cells, increase the production costs due to the absence of the cost of production time and the insulating tube in accordance with this must be in the insulating tube applied to each cell in a.
[12]
Further, Fig. 1- (b) in an increased production time, because the need to attach an additional insulating member according to (the thickness of the case), the creepage distance between the battery cell and pack case is short, and the increase in manufacturing cost according to this insulating member.
[13]
The insulating member is not in contact with the bottom of the module case is flat pack case as the adhesion, in order to match the flatness of the module case requires a separate supplement.
[14]
Therefore, it is necessary that the production time and the production cost of the battery pack by the insulating members can be reduced.
[15]
[Prior art document]
[16]
[Patent Document]
[17]
(Patent Document 1) A KR2007-0097150
[18]
Detailed Description of the Invention
SUMMARY
[19]
The present invention provides a battery module and a battery pack to the insulating member reduces the production time and production costs arising from applied or attached to the battery module.
[20]
Problem solving means
[21]
In the battery module is disposed a battery module according to an embodiment of the present invention in the metal pack case having an electrical conductive property, the one side is formed in an opening shape, the side of the opening one end of the 'b' first bond-shaped a first module housing, the one side is formed in an opening shape, the second module housing, and wherein the added second bond of a "b" shape corresponding to the first engaging portion of the first module housing formed to be added to form 1, the module case and the second module, a plurality of circular battery cells housed in the lateral direction in the case; Comprising: a, form a first coupling unit comprises: the fitting is accommodated in the inner case 2, the coupling portion of the second module of the first module case.
[22]
The first module housing and a second module case, and each of the lower portion to be disposed in the battery pack case is configured to further include a government.
[23]
The first module housing and a second module housing, one end a plurality of through the communication path in the horizontal direction so as to be fixed is inserted into the circular groove battery cell; Further it includes a.
[24]
The through groove, the diameter of the end portion of the circular end meets the battery cell inserted into a through groove is formed to be smaller than the body diameter of a circular battery cells.
[25]
The first module housing and a second module housing is made of electrically insulating material.
[26]
The battery pack according to an embodiment of the present invention is a plurality of circular battery cells are arranged in the width direction, the module case portion bonds to occur the creepage distance of the predetermined length of one pairs of the module case is fitted in between the battery cell and pack case formed the claim is arranged in the first battery module, a plurality of circular battery cells in the width direction is configured, first the module case additional bond to occur the creepage distance of the predetermined length of one pairs of the module case is fitted in between the battery cell and pack case formed consisting of 2 is a battery module, and comprises a pack case for accommodating the first battery module and second battery module on the inner side.
[27]
The first battery module and second battery module, sound of a plurality of circular battery cells (-) electrode and the positive (+) polarity are arranged in the same direction, both of the inside the plurality of circular battery cells, each of the battery modules (+) the pole direction is arranged to look for the pack case.
[28]
The pack case, wherein the plurality of additional-shake is formed inside the first battery module and second battery modules so as to be fixed in the pack case.
[29]
The pack case is made of a metallic material having electrical conductive properties.
[30]
The first module housing a battery module and second battery module is composed of an electrically insulating material.
[31]
Effects of the Invention
[32]
The battery module according to an embodiment of the present invention is to facilitate, without large modification to the shape of a conventional battery module case it can be produced is not added to a separate manufacturing cost due to the insulating member quickly produce battery module, while ensuring also a predetermined creepage distance of depending on the available can produce battery packs quickly and inexpensively.
[33]
Brief Description of the Drawings
[34]
1 is a structure of a conventional battery cell and pack.
[35]
Figure 2 is an exploded perspective view of a battery module according to an embodiment of the present invention.
[36]
Figure 3 is a side cut structure of a battery module according to an embodiment of the present invention.
[37]
Figure 4 is a perspective view of a battery pack according to an embodiment of the invention.
[38]
Best Mode for Carrying Out the Invention
[39]
Below with reference to the contents described in the accompanying drawings will be described in detail with an embodiment with the present invention. However, it is not the present invention is not limited or restricted by the embodiments. Only embodiments, and the disclosure of the present invention to complete, and will be provided to the to a person of ordinary skill will fully convey the concept of the invention known in the art.
[40]
In addition, the first and can be used in describing the terms are different components, including an ordinal number such as 2, the components shall not be restricted to the above terms. The terms are used only to identify one element from the other. For example, without departing from the scope of the present invention, the first component may be referred to as a second configuration can be named as an element, similar to the first component is also a second component. The terms used in the present specification are merely used to describe particular embodiments, and are not intended to limit the present invention. Expression in the singular number include a plural forms unless the context clearly indicates otherwise.
[41]
As used in the present invention include, but selects general terms that are considered while possible now widely used functions of the present invention, which may vary depending on the appearance of the technicians intention or precedent, new technologies to engage in the art. Furthermore, the particular case will be the applicant and also randomly selected term, described in detail in the description of the meaning of the invention applicable in this case. Therefore, the terms used in the present invention is not entitled simpler terms, to be defined on the basis of information over a wide meaning of the present invention the term is having.
[42]
[43]

[44]
It will be described next as the battery module according to an embodiment of the present invention.
[45]
The battery module according to an embodiment of the present invention is the heat generated from the battery cells effectively cooled according to the formed of a cooling member a heat transfer member is placed in contact with the two sides between the battery modules are configured a plurality of battery cells, the temperature in the battery pack, so that it can be kept constant.
[46]
Figure 2 is an exploded perspective view of a battery module according to an embodiment of the present invention.
[47]
Figure 3 is a side cut structural view of a battery module according to an embodiment of the present invention.
[48]
2 and reference to Figure 3, a battery module 1100 according to an embodiment of the present invention is arranged in a metallic pack case with electrical conductive properties, is formed by the one side thereof forms an opening on one side at the end, b 'shape of the first engagement portion comprises a first module case 1110, is formed in the one side, the opening shape is formed, the first corresponding to the first coupler of the first module housing, the second of the a' shape is configured to include a plurality of circular battery cells 1130 that is received within the second module case 1120 and the first module housing (1110) and the second module case 1120 is coupled portion is formed.
[49]
The first engaging portion 1111 of the first module housing (1110) is accommodated in the inside of the second coupling portion 1121 of the second module case 1120 forms the fitting.
[50]
Configured for such battery module 1100 is described in more detail below.
[51]
Wherein the first module housing (1110) is on one side is formed in an opening shape, the first combination of "b" shape with an opening on one side to the end portion 1111 is configured to be formed, with the one side thereof forms formed and, as a configuration in which the second bond of a "b" shape corresponding to the first engaging portion 1111, portion 1121 of the first module case 1110 is formed, the first engagement portion 1111 and the second coupling portion 1121 is coupled via a fitting.
[52]
In addition, through the fitting of the first engagement portion 1111 and the second coupling portion 1121 to secure the creepage distance of the predetermined length between the battery cells 1130, and the pack case and to reduce the spark hazard . Creepage (Creepage Distance) herein means the shortest distance clocked along the distance between the conductor and the conductive surface (surface of the insulating material).
[53]
Further, simply and more effectively by than for thicker to increase the creepage distance for the thickness of the module housing case increases the jeophapneun engagement surface because increase the creepage distance, in a general case structure changes depending on only a portion changed from the structure of the conventional case more costs can be reduced accordingly.
[54]
Accordingly, the first module housing (1110) and the second module case 1120 will be made in electrically insulating material.
[55]
In addition, the shape of the first engagement portion 1111 and the second coupling portion 1121 is 'b', in the form of 'b' as well as being a recess formed in a coupling portion of a zig-zag shape and one that is cross-coupled, and the other coupling It can be formed in a shape that the convex portion is formed on the part, etc., and can be formed by changing the interchange.
[56]
In addition, the first module housing (1110) and a second module housing (1120) is further comprises a fixing part (1112, 1122) on each bottom so as to be disposed within the pack case, the fixing unit 1112 in the form so that they can be variously formed in the shape corresponding to the shape of the fixed part of the pack case.
[57]
An example of one embodiment the fixing portion (1112, 1122) has a base line in the image at an angle which spreads wider as the bottom may be flat and formed in a triangular shape long. This is to be entered into the fixed part (1112, 1122) and in the form of state of the battery pack case corresponding to a high-wherein the fixed part of the formation in the form binary same triangle upside pack case section (1112, 1122) on the sliding .
[58]
In addition, the first module housing (1110) and a second module housing (1120) is further comprising one end a plurality of through grooves communicating with the horizontal direction so as to be fixed is inserted (1113, 1123) of circular battery cells do.
[59]
In addition, the through groove (1113, 1123) is so formed that the diameter of the meeting end and the end of a circular battery cell inserted into a through groove (1113, 1123) portion smaller than the body diameter of a circular battery cells are battery cells discharged to the outside do.
[60]
However, since due to the protection structure of the battery cell may be held in the amount of battery cells (+) pole cap is formed in a predetermined diameter range than to be opened to facilitate the cap of the battery cell.
[61]
Furthermore, as the plurality of circular battery cells (1130) it is configured to be received in the interior of the first module case 1110, and a second module housing 1120, so that they can be arranged in the width direction.
[62]
Further, the plurality of circular battery cells 1130 is to facilitate the assembly and arranged in one direction in the same direction of the electrode terminal.
[63]
[64]

[65]
It will be described next as the battery pack according to an embodiment of the invention.
[66]
The battery pack according to an embodiment of the present invention to be arranged a plurality of battery cells on the inner side in the width direction, the battery module fitted to the engaging portion provided possible so as to ensure the creepage distance of the predetermined length quickly by constructing two-column to be assembled, and the cooling efficiency is increased so that the negative of the battery cell is configured in each battery module so that the battery pack can be safely driven during operation as the electrode array while facing each other ().
[67]
Figure 4 is a perspective view of a battery pack according to an embodiment of the invention.
[68]
Referring to FIG 4, the battery pack 1000 according to an embodiment of the present invention is a plurality of circular battery cells are arranged in the width direction, of the pair to occur the creepage distance of the predetermined length between the battery cell and pack case in the module case the fitting of claim 1, the battery module 1100, and a plurality of circular battery cells are arranged in the width direction, of the battery cell and pack one pairs so that the creepage distance of the predetermined length implemented in the case the module case is configured a module case junction part formed to be It is added is formed fitting the module case is configured to be coupled to the second module includes a battery 1200, and a pack casing 1300 for accommodating the first battery module and second battery module on the inner side are configured.
[69]
Wherein the battery module is described in the two battery modules in order to facilitate the description, but can be plurality of extensions, each based on the battery module. This means that the extension forms the second heat.
[70]
In addition, It should be further provided with a bus bar to electrically connect the respective battery modules, and its form may be formed in various forms.
[71]
Configured for such battery pack 1000 will be described in more detail below.
[72]
In addition, the first battery module 210 and the second battery module 260 and a plurality of circular battery cells are arranged in the width direction, of the pair to occur the creepage distance of the predetermined length between the battery cell and pack case in the module case is a fitted configuration the module case is composed of coupling portion is formed to be an electrode of the plurality of circular battery cells are arranged in the same direction, respectively.
[73]
That is, the negative of the prototype battery cell (-) electrode and the positive (+) polarity are arranged in the same direction are positive (+) polarity disposed to look for the pack casing (1300).
[74]
This is the left side of the first battery module 210 is disposed a positive (+) pole of the plurality of battery cells, the right side, the sound of the plurality of battery cells (-), the electrode is disposed.
[75]
Also, the second left side of the battery module 260 notes of a plurality of battery cells (-) poles are disposed, the right side is (+) pole of the plurality of battery cells are arranged.
[76]
In addition, the up / which the battery cell is generally large in the driving when more heat is generated in each electrode terminal in which a current flows than the amount of heat generated from the side of a battery cell, a closed electrode direction of the battery cell is in the lower surface object and It is arranged in the left / right direction (width direction) open in the direction other than the atmosphere.
[77]
Gritty and more specifically, to the first module housing, the position corresponding to the first module housing a first engaging portion which is right outside the predetermined range of cutting the first engagement portion is formed such that there is formed a creepage distance of the predetermined length of the battery modules, respectively claim is configured to include a plurality of circular battery cells accommodated in a second module housing, and the first module housing and a second module housing is first combined with the cutting size, and the same inside a predetermined range of cutting the second coupling part forming part.
[78]
Here, the module case so that the first 1110 and second module case 1120 is the battery cell and pack case 1300 is made of an electrically insulating material can be isolated.
[79]
In addition, the first coupler and the second coupler by a cutting form of a predetermined length to the conductive surface distance (creepage distance) between the side and the pack casing 1300 of the battery cell increases prevent sparking be secured portion be so.
[80]
In addition, the first battery module 1100 and the second battery module 1200 between, the configuration has been provided by having each of the cooling module, each battery module with the conventional cooling modules for cooling the heat generated by the ring-battery cells, and It enables different possible to easily temperature controlled through a single configuration.
[81]
This is the first battery module 1100 and a second negative of the battery cells in the battery module (1200) - In general, the greater the heat generating sound according to the direction of the electrode terminal formed's face each other relative to the center () (-) since the electrode arrangement where the cooling module is located it may be cooled more efficiently.
[82]
In addition, the cooling module includes a first battery module 1100 and the second includes a first heat transfer frame and a second heat transfer frame which is disposed adjacent each of the battery module 1200, the first heat transfer frame and a second heat transfer between the frame and provided with a cooling member that cools the heat to the first and second heat transfer frame is transmitted, the first and second heat transfer frame can convey the heat generated from the battery cells as the cooling member.
[83]
This thermal shear frame structure is due to the direct cooling it is possible to prevent the performance degradation of the battery cell.
[84]
In addition, the cooling module, as well as can be of a heating module, or a temperature control module (heating member + the cooling member).
[85]
In addition, the lower end of the first battery module 210 and the second battery module 260 has high in each bottom to be arranged in the pack casing 1300, and further comprising a unit (1112, 1122), the in the form of fixing part 1112 so that they can be variously formed in the shape corresponding to the shape of the fixed part of the pack case.
[86]
An example of one embodiment the fixing portion (1112, 1122) has a base line in the image at an angle which spreads wider as the bottom may be flat and formed in a triangular shape long.
[87]
In addition, the pack casing 1300 is typically electrical in order to accommodate the first battery module and a second configuration for accommodating the battery module on the inner side, the first battery module and second battery module, a plurality of battery modules, as well as It consists of a metallic material with conductive properties. This is the case for accommodating the plurality of battery modules to form a casing of a metal material with a weight that is larger beotyeoya.
[88]
In addition, the pack casing 1300 when the first battery module and second battery module that there is added a plurality of shake formed so as to be fixed in the pack case, which is ignited in one of the battery cell occurs, the other battery cells or It is to spread as a module so lead to an explosion.
[89]
In addition, when the fixing to the battery module that the battery pack is mounted moving device, and to prevent blurring generated in the battery modules.
[90]
Further, form parts of the image stabilizer can be made in various forms, it can be simply formed in the shape formed in block form to bridge the gap to prevent the battery module case shaking or forming the respective cells or modules and the partition wall.
[91]
Further, the fixing part (1112, 1122 in the pack casing 1300, a bottom surface inside the said battery modules (1100, 1200) and abuts to, a battery module (1100, 1200) and abut the battery modules (1100, 1200) at the end face ) in the form it is formed corresponding to the.
[92]
In one embodiment, the high-high type binary form of the government to tip over the same triangle in section (1112, 1122) pack case 1300 according to a shape at an angle to the expanded widely to the lower shaped base is flat and long triangular shape being of It is formed in it such that the fixing part 1112, the fixed part of the pack case may be entered into the sliding.
[93]
[94]
On the other hand, although the technical concept of the present invention is specifically described according to the embodiment, the embodiment is for the description, it should be noted that not for the limitation. In addition, it will be possible in the various embodiments described by one of ordinary skill the claims described in the art.
[95]
[96]
Reference Numerals
[97]
1000: Battery Pack
[98]
1100: the first battery module
[99]
1110: the first module case
[100]
1111: the first coupler
[101]
1112, 1122: fixing
[102]
1113, 1123: through-groove
[103]
1120: The second module case
[104]
1121: The second engagement portion
[105]
1130: a plurality of circular battery cells
[106]
1200: second battery module
[107]
1300: Case Pack
[108]

WE Claims

[Claim 1]
In the battery module disposed in the metallic pack case with electrical conductive properties, one side is formed in an opening shape, "b" side of one opening end of characters comprising: a first module housing is coupled portion is formed of a shape; One side is formed to form an opening, a first 'b' Here the second case the second module is coupled portion is formed in the shape corresponding to the engaging portion of the first module case; And a plurality of circular battery cells housed in the lateral direction in the first case and the second module, the module case; The configuration and the first module case of the first coupling part a second module of the battery module is accommodated, characterized in that the inner second coupling part forming the fitting of the housing comprises a.
[Claim 2]
The method according to claim 1, wherein the first module housing and a second module housing, the battery module, characterized in that said further comprises a state for each lower portion to be disposed within the pack case.
[Claim 3]
The method according to claim 1, wherein the first module housing and a second module housing, one end a plurality of through the communication path in the horizontal direction so as to be fixed is inserted into the circular groove battery cell; The battery module being configured to include.
[Claim 4]
The method according to claim 3, wherein the through-groove, a battery module that the diameter of the end portion of the circular end meets the battery cell inserted into the through-grooves characterized in that the smaller form than the body diameter of a circular battery cells.
[Claim 5]
The method according to claim 1, wherein the first module housing and a second module housing, the battery module according to claim which comprises an electrically insulating material.
[Claim 6]
And a plurality of circular battery cells are arranged in the width direction, the creepage distance of the predetermined length between the battery cell and pack case such that the case is made of a pair of modules fitting the first battery module is configured module case junction part is formed; And a plurality of circular battery cells are arranged in the width direction, the creepage distance of the predetermined length between the battery cell and pack case such that the case is made of a pair of modules fitting the second battery module is composed of the module case junction part is formed; And a pack case for accommodating the first battery module and second battery module on the inner side; The battery pack is characterized in that comprises a.
[Claim 7]
The method according to claim 6, wherein the first battery module and second battery module, sound of a plurality of circular battery cells (-) electrode and the positive (+) pole, each of the battery modules in a plurality of circular battery cells are arranged in the same direction battery pack, characterized in that the amount of (+) polarity is arranged to look for the pack case.
[Claim 8]
The method according to claim 6, wherein the pack case, the first battery module and second battery module is a plurality of the inner side so as to be fixed in the pack case shake preventing portions; Battery pack, characterized in that a formed.
[Claim 9]
According to claim 6, wherein said pack case, a battery pack which comprises a metallic material having electrical conductive properties.
[Claim 10]
The method according to claim 6, the module case of the first battery module and second battery module, the battery pack, characterized in that which comprises an electrically insulating material.

Documents

Application Documents

# Name Date
1 202017003953.pdf 2020-01-29
2 202017003953-STATEMENT OF UNDERTAKING (FORM 3) [29-01-2020(online)].pdf 2020-01-29
3 202017003953-POWER OF AUTHORITY [29-01-2020(online)].pdf 2020-01-29
4 202017003953-FORM 1 [29-01-2020(online)].pdf 2020-01-29
5 202017003953-DRAWINGS [29-01-2020(online)].pdf 2020-01-29
6 202017003953-DECLARATION OF INVENTORSHIP (FORM 5) [29-01-2020(online)].pdf 2020-01-29
7 202017003953-COMPLETE SPECIFICATION [29-01-2020(online)].pdf 2020-01-29
8 abstract.jpg 2020-02-04
9 202017003953-Proof of Right [21-08-2020(online)].pdf 2020-08-21
10 202017003953-FORM 3 [21-08-2020(online)].pdf 2020-08-21
11 202017003953-certified copy of translation [21-08-2020(online)].pdf 2020-08-21
12 202017003953-FORM 18 [03-08-2021(online)].pdf 2021-08-03
13 202017003953-FER.pdf 2021-10-19
14 202017003953-PETITION UNDER RULE 137 [04-02-2022(online)].pdf 2022-02-04
15 202017003953-PETITION UNDER RULE 137 [04-02-2022(online)]-1.pdf 2022-02-04
16 202017003953-OTHERS [04-02-2022(online)].pdf 2022-02-04
17 202017003953-Information under section 8(2) [04-02-2022(online)].pdf 2022-02-04
18 202017003953-FORM 3 [04-02-2022(online)].pdf 2022-02-04
19 202017003953-FER_SER_REPLY [04-02-2022(online)].pdf 2022-02-04
20 202017003953-DRAWING [04-02-2022(online)].pdf 2022-02-04
21 202017003953-COMPLETE SPECIFICATION [04-02-2022(online)].pdf 2022-02-04
22 202017003953-CLAIMS [04-02-2022(online)].pdf 2022-02-04
23 202017003953-ABSTRACT [04-02-2022(online)].pdf 2022-02-04
24 202017003953-PA [28-11-2022(online)].pdf 2022-11-28
25 202017003953-ASSIGNMENT DOCUMENTS [28-11-2022(online)].pdf 2022-11-28
26 202017003953-8(i)-Substitution-Change Of Applicant - Form 6 [28-11-2022(online)].pdf 2022-11-28
27 202017003953-PatentCertificate23-01-2024.pdf 2024-01-23
28 202017003953-IntimationOfGrant23-01-2024.pdf 2024-01-23

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