CN215644727U - Module of battery pack and battery pack - Google Patents

Abstract

The utility model discloses a battery pack module and a battery pack, wherein the battery pack module comprises: the base is provided with an accommodating space, the base is provided with a side end plate, an extending seat and a converging hole are arranged on the side end plate, the converging hole is communicated with the accommodating space, and an installing surface is arranged on the extending seat; the bus bar is positioned in the accommodating space and partially penetrates through the bus hole, and the part of the bus bar, which extends out of the bus hole, is attached to the mounting surface; and the insert is arranged on the mounting surface to be connected with the bus bar through the fastener, and the end surface of the insert close to the bus bar is positioned on the same plane with the surface of the mounting surface. The utility model can keep the output end of the bus bar straight without bending or step structure, simplify the manufacturing process of the bus bar and reduce the cost, and the bus bar is in surface contact fit with the mounting surface, thereby facilitating the mounting of the bus bar and improving the mounting reliability of the bus bar.

Description

Module of battery pack and battery pack

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery pack module and a battery pack.

Background

In the correlation technique, be equipped with the busbar in the module of battery package, because module inner structure designs unreasonablely, lead to the output of busbar to need bend the design for the manufacturing process of busbar is more complicated, and the installation is also inconvenient.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a battery pack module capable of solving the problems of the prior art that the output end of the bus bar is required to be bent, so that the manufacturing process is complicated and the installation is inconvenient.

The utility model aims to provide a battery pack to apply the module.

The module of the battery pack according to the embodiment of the present invention includes: the base is provided with an accommodating space and a side end plate, the side end plate is provided with an extending seat and a converging hole, the converging hole is communicated with the accommodating space, and the extending seat is provided with an installing surface; the bus bar is positioned in the accommodating space and partially penetrates through the junction hole, and the part of the bus bar, which extends out of the junction hole, is attached to the mounting surface; the insert is arranged on the mounting surface and is connected with the bus bar through a fastener, and the end surface of the insert, close to the bus bar, is positioned on the same plane with the surface of the mounting surface.

According to the battery pack module, the extension seat is arranged on the side end plate of the base, the installation surface is arranged on the extension seat, the part of the bus bar, which extends out of the bus hole, is attached to the installation surface, and the end surface, close to the bus bar, of the insert and the surface of the installation surface are positioned on the same plane, so that the output end of the bus bar can be kept straight without bending or step structures, the manufacturing process of the bus bar can be simplified, the cost is reduced, and the bus bar and the installation surface are in surface contact fit, so that the bus bar is convenient to install, and the installation reliability of the bus bar can be improved.

In some embodiments, a bus bar groove is formed in the extension seat, a bottom surface of the bus bar groove forms the mounting surface, and the bus bar is arranged in the bus bar groove.

In some embodiments, the confluence groove extends into the accommodating space through the confluence hole, and the confluence groove extends to one end of the accommodating space far away from the confluence hole.

In some embodiments, the number of the bus holes, the number of the bus grooves, and the number of the bus bars are two, two of the bus holes are provided in one-to-one correspondence with two of the bus grooves, and two of the bus bars are provided in one-to-one correspondence with two of the bus grooves.

In some embodiments, the extension seat extends along the length direction of the side end plate, two of the confluence holes are provided at two ends of the length direction of the side end plate, and two of the confluence grooves are provided at two ends of the length direction of the side end plate.

In some embodiments, the extension seat extends along the length direction of the side end plate, a mounting space is defined between one end of the extension seat far away from the side end plate and the side end plate, and the part of the bus bar protruding out of the bus hole is located in the mounting space.

In some embodiments, the module further comprises: the BDU module is electrically connected with the bus bar and is positioned in the installation space.

In some embodiments, the mounting surface is provided with a mounting hole, the insert is a nut or a bolt, the nut or the bolt is arranged in the mounting hole, the bus bar is provided with a connecting hole, and the connecting hole is arranged corresponding to the nut or the bolt.

In some embodiments, the connection hole is provided at a center position in a width direction of the bus bar.

The battery pack according to an embodiment of the present invention includes: the lower shell is provided with a module space; a module disposed within the module space, the module being a module of the battery pack of any of the foregoing; and the upper shell is arranged on the lower shell so as to seal the module in the module space.

According to the battery pack provided by the embodiment of the utility model, the output end of the bus bar in the module can be kept straight without a bending or step structure, the manufacturing process of the bus bar can be simplified, and the bus bar is in surface contact fit with the mounting surface, so that the bus bar is convenient to mount, the mounting reliability of the bus bar can be improved, the space utilization rate in the battery pack can be improved, and the cost is reduced.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of a module according to an embodiment of the present invention;

FIG. 2 is an enlarged partial schematic view at II of FIG. 1;

FIG. 3 is an exploded view of a module according to an embodiment of the present invention;

fig. 4 is an exploded view of a battery pack according to an embodiment of the present invention.

Reference numerals:

100. a module;

10. a base;

101. a side end plate; 1012. an exhaust port; 102. an extension base; 1021. a confluence groove; 1022. a mounting surface; 1023. mounting holes; 103. an accommodating space;

20. a BMS module;

30. a BDU module; 310. an electrical component;

50. a bus bar; 501. connecting holes;

60. an electric core;

70. an insert;

1000. a battery pack; 200. a lower housing; 201. a module space; 300. and an upper housing.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, a module 100 of a battery pack according to an embodiment of the present invention will be described.

As shown in fig. 1 to 3, a module 100 of a battery pack according to an embodiment of the present invention includes: base 10, bus bar 50, insert 70.

The base 10 is provided with an accommodating space 103, the base 10 is provided with a side end plate 101, the side end plate 101 is provided with an extending seat 102 and a converging hole 1012, the converging hole 1012 is communicated with the accommodating space 103, and the extending seat 102 is provided with a mounting surface 1022; the bus bar 50 is located in the accommodating space 103 and partially passes through the bus hole 1012, and the portion of the bus bar 50 extending out of the bus hole 1012 abuts against the mounting surface 1022; the insert 70 is provided on the mounting surface 1022 to connect the bus bar 50 by a fastener, and an end surface of the insert 70 adjacent to the bus bar 50 is on the same plane as a surface of the mounting surface 1022.

It will be appreciated that the bus bar 50 is used to aggregate all data within the receiving space 103 and to communicate the aggregated data to the associated components of the module 100, and the insert 70 is used to secure the bus bar 50. Since the portion of the bus bar 50 protruding out of the bus hole 1012 serves as an output end provided on the mounting surface 1022 of the extension block 102, and the end surface of the insert 70 close to the bus bar 50 is flush with the surface of the mounting surface 1022, it is possible to ensure that the output end of the bus bar 50 is kept straight, without providing a bent or stepped structure, and to facilitate installation of the bus bar 50.

According to the battery pack module 100 of the embodiment of the utility model, the extension seat 102 is arranged on the side end plate 101 of the base 10, the installation surface 1022 is arranged on the extension seat 102, the part of the bus bar 50 extending out of the bus hole 1012 is attached to the installation surface 1022, and the end surface of the insert 70 close to the bus bar 50 is positioned on the same plane with the surface of the installation surface 1022, so that the output end of the bus bar 50 can be kept straight without bending or step structures, the manufacturing process of the bus bar 50 can be simplified, the cost is reduced, and because the bus bar 50 and the installation surface 1022 are in surface contact fit, the installation of the bus bar 50 is facilitated, and the installation reliability of the bus bar 50 can be improved.

In some embodiments, as shown in fig. 1, 2 and 3, the extending base 102 is provided with a bus bar groove 1021, a bottom surface of the bus bar groove 1021 forms a mounting surface 1022, and the bus bar 50 is disposed in the bus bar groove 1021. The bus bar groove 1021 forms a limiting structure, and the bus bar 50 is arranged in the bus bar groove 1021, so that the bus bar 50 is not easy to displace, and the installation reliability of the bus bar 50 is further improved.

In some embodiments, the bus bar groove 1021 extends into the accommodating space 103 through the bus bar hole 1012, and the bus bar groove 1021 extends to an end of the accommodating space 103 away from the bus bar hole 1012. That is, the bus bar groove 1021 is provided not only on the extension holder 102 but also in the accommodation space 103, and the entire bus bar 50 is provided in the bus bar groove 1021 so that the bus bar 50 is not easily displaced in the accommodation space 103 as well.

In some embodiments, as shown in fig. 1, 2, and 3, there are two bus holes 1012, two bus slots 1021, and two bus bars 50, two bus holes 1012 and two bus slots 1021 are disposed in a one-to-one correspondence, and two bus bars 50 and two bus slots 1021 are disposed in a one-to-one correspondence. The module 100 is an important component of the battery pack, and further includes a battery cell 60, two bus bars 50 are provided, that is, a positive bus bar and a negative bus bar are included to connect the positive electrode and the negative electrode of the battery cell 60, and the two bus holes 1012 and the two bus grooves 1021 are correspondingly used to provide the two bus bars 50.

For example, as shown in fig. 3, the battery cells 60 are arranged in multiple rows and located in the accommodating space 103, the multiple rows of battery cells 60 are sequentially arranged along the width direction of the base 10, each row of battery cells 60 includes multiple battery cells 60 and is sequentially arranged along the length direction of the base 10, the width direction may be the left-right direction in fig. 3, and the length direction may be the front-back direction in fig. 3, where one of the two busbars 50 is electrically connected to the positive electrode of the battery cell 60 in the left row, and the other is electrically connected to the negative electrode of the battery cell 60 in the right row.

In some embodiments, as shown in fig. 1, 2, and 3, the extension base 102 extends along the length direction of the side end plate 101, two bus holes 1012 are provided at both ends of the length direction of the side end plate 101, and two bus grooves 1021 are located at both ends of the length direction of the side end plate 101. Since the two bus holes 1012 and the two bus grooves 1021 are used to mount the two bus bars 50, this approach can be adapted to the case where multiple rows of battery cells 60 are disposed in the accommodation space 103.

The side end plate 101 may be selected on the base 10 according to circumstances, for example, the side end plate 101 may be an end plate on a short side of the base 10, that is, the side end plate 101 extends along the width direction of the base 10, the width direction of the base 10 is the left-right direction in fig. 1, two confluence holes 1012 are provided at left and right ends of the side end plate 101, and two confluence grooves 1021 are provided at left and right ends of the extension base 102. For another example, the side end plates 101 may be end plates on the long sides of the base 10, that is, the side end plates 101 extend along the longitudinal direction of the base 10, and the longitudinal direction of the base 10 is the front-rear direction in fig. 1, and then the two bus holes 1012 are provided at the front-rear ends of the side end plates 101, and the two bus grooves 1021 are provided at the front-rear ends of the extension base 102.

In some embodiments, as shown in fig. 2, the extension block 102 extends along the length direction of the side end plate 101, a mounting space is defined between one end of the extension block 102 far away from the side end plate 101 and the side end plate 101, and a portion of the bus bar 50 protruding out of the bus hole 1012 is located in the mounting space. That is, the protruding end of the bus bar 50 does not protrude beyond the installation space, and thus does not affect the installation of other components in the battery pack 1000 by occupying a large space.

As described above, the side end plate 101 may be selected on the base 10 according to the circumstances, for example, the side end plate 101 may be an end plate on the short side of the base 10, that is, the side end plate 101 extends along the width direction of the base 10, the extension seat 102 extends along the width direction of the base 10, that is, the extension seat 102 extends along the left-right direction, and if the extension seat 102 is disposed on the front side of the base 10, a mounting space is defined between the front end surface of the extension seat 102 and the front end surface of the side end plate 101; if the extension holder 102 is provided on the rear side of the base frame 10, an installation space is defined between the rear end surface of the extension holder 102 and the rear end surface of the side end plate 101. For another example, if the side end plate 101 is an end plate on the long side of the base 10, that is, the side end plate 101 extends along the longitudinal direction of the base 10, the extension seat 102 may also extend along the longitudinal direction of the base 10, that is, the extension seat 102 extends along the front-rear direction, and if the extension seat 102 is disposed on the left side of the base 10, an installation space is defined between the left end surface of the extension seat 102 and the left end surface of the side end plate 101; if the extension holder 102 is provided on the right side of the base 10, an installation space is defined between the right end surface of the extension holder 102 and the right end surface of the side end plate 101.

In some embodiments, as shown in fig. 1 and fig. 2, the module 100 further includes: BDU module 30, BDU module 30 electrically connect busbar 50, and BDU module 30 is located the installation space. The BDU module 30 is a high-voltage cut-off control unit of the battery pack, the BDU module 30 includes a plurality of electrical components 310, and functions and structures of the plurality of electrical components 310 may specifically refer to the composition of the BDU in the prior art, for example, the plurality of electrical components 310 may include a system main circuit contactor, a pre-charging relay, a current sensor, and the like, which are not described herein again. The BDU module 30 is disposed in the mounting space without a box structure of the BDU, that is, each functional electrical component of the BDU module 30 is integrated on the base 10, so that when the module 100 is mounted in the housing of the battery pack 1000, the space utilization rate inside the battery pack 1000 can be improved.

In some embodiments, as shown in fig. 1 and 2, the extension base 102 extends along the length direction of the side end plate 103, and the plurality of electrical components 401 are sequentially arranged along the length direction of the side end plate 103. That is, the extension base 102 and the side end plate 101 define a narrow installation space, and the plurality of electrical components 310 are disposed next to the side end plate 101, so that the arrangement on the extension base 102 is more compact, and the size of the module 100 as a whole can be reduced.

In some embodiments, as shown in fig. 1 and fig. 2, the module 100 further includes: BMS module 20, BMS module 20 are established on side end plate 101, and BMS module 20 is the battery management system of battery package, adopts this mode can be with BMS module 20 together integrated on base 10, makes things convenient for BMS module 20's installation promptly, also is favorable to further improving the inside space utilization of battery package 1000 simultaneously.

In some embodiments, there are a plurality of BMS modules 20, and the number of the BMS modules 20 is equal to the number of rows of the battery cells 60, that is, the plurality of BMS modules 20 and the plurality of rows of battery cells 60 are arranged in a one-to-one correspondence, so as to manage the plurality of rows of battery cells 60.

In some embodiments, as shown in fig. 1 and 2, the plurality of BMS modules 20 and the plurality of electrical components 310 are alternately arranged along the extending direction of the extending base 102, so that the arrangement of the BMS modules 20 and the electrical components 310 can be more compact, thereby saving space to the greatest extent and further improving the space utilization inside the battery pack 1000.

For example, the battery cells 60 are four rows, the BMS modules 20 are four, the four rows of the battery cells 60 and the four BMS modules 20 are arranged in a one-to-one correspondence, the number of the electrical components 310 is three, and the three electrical components 310 and the four BMS modules 20 are arranged in a staggered manner.

In some embodiments, as shown in fig. 2, the mounting surface 1022 is provided with mounting holes 1023, the insert 70 is a nut or a bolt, the nut or the bolt is disposed in the mounting hole 1023, the bus bar 50 is provided with a connecting hole 501, and the connecting hole 501 is disposed corresponding to the nut or the bolt. Nuts or bolts are fitted into the fitting holes 1023, and then the bus bar 50 is fixed to the extension block 102 by fitting the bolts or nuts with the coupling holes 501 on the bus bar 50.

For example, as shown in fig. 2, the insert 70 is a nut and is inserted into the mounting hole 1023, the top surface of the nut is flush with the surface of the mounting surface 1022, a bolt can be inserted into the connecting hole 501 of the bus bar 50, and the bus bar 50 is fixed to the extension block 102 by the bolt and nut.

For example, the insert 70 is a bolt, an end surface of a bolt head close to the bus bar 50 is flush with the surface of the mounting surface 1022, the bolt is inserted into the connecting hole 501 of the bus bar 50, and the bus bar 50 is fixed on the extension seat 102 after being engaged with a nut.

In some embodiments, the connection hole 501 is disposed at the center of the bus bar 50 in the width direction, that is, the connection hole 501 is disposed at the center of the bus bar 50, so as to improve the fixing effect of the bus bar 50 on the extension seat 102.

One embodiment of the module 100 of the present invention is described below with reference to the drawings.

As shown in fig. 1 to 3, the module 100 includes: base 10, BMS module 20, BDU module 30, bus bar 50, insert 70

The base 10 is provided with an accommodating space 103, the side end plate 101 of the base 10 is provided with an extending seat 102 and a converging hole 1012, the converging hole 1012 is communicated with the accommodating space 103, the extending seat 102 is provided with a converging groove 1021, the bottom surface of the converging groove 1021 is provided with a mounting surface 1022, the converging groove 1021 passes through the converging hole 1012 to extend into the accommodating space 103, and the converging groove 1021 extends to one end of the accommodating space 103, which is far away from the converging hole 1012.

The bus bar 50 is located in the accommodating space 103 and partially passes through the bus hole 1012, and the portion of the bus bar 50 extending out of the bus hole 1012 abuts against the mounting surface 1022.

The number of the bus holes 1012, the bus bars 1021, and the number of the bus bars 50 are two, two bus holes 1012 and two bus bars 1021 are provided in one-to-one correspondence, and two bus bars 50 and two bus bars 1021 are provided in one-to-one correspondence. The extension base 102 extends in the width direction of the base 10, two bus holes 1012 are provided at both ends of the side end plate 101 in the longitudinal direction, and two bus grooves 1021 are located at both ends of the side end plate 101 in the longitudinal direction.

An installation space is defined between one end of the extension seat 102 far away from the side end plate 101 and the side end plate 101, the extension seat 102 extends along the length direction of the side end plate 101, and the part of the bus bar 50 protruding out of the bus hole 1012 is located in the installation space.

The BDU module 30 includes three electrical members 310, each electrical member 310 is electrically connected to the bus bar 50, and the three electrical members 310 are located in the installation space and sequentially arranged along the extending direction of the extending seat 102.

The BMS modules 20 are four, four BMS modules 20 are provided on the side end plates 101, and the four BMS modules 20 and the three electrical parts 310 are staggered.

The number of the inserts 70 is two, the two inserts 70 are respectively arranged on the mounting surfaces 1022 of the two bus bars 1021, the mounting surfaces 1022 are provided with mounting holes 1023, the inserts 70 are nuts and are arranged on the mounting holes 1023, the top surfaces of the nuts are flush with the surfaces of the mounting surfaces 1022, the bus bar 50 is provided with connecting holes 501, the connecting holes 501 are arranged in the center of the width direction of the bus bar 50, and bolts penetrate through the connecting holes 501 to be connected with the nuts.

As shown in fig. 4, a battery pack 1000 according to an embodiment of the present invention includes: lower housing 200, module 100, upper housing 300.

A module space 201 is provided on the lower case 200; the module 100 is disposed in the module space 201, and the module 100 is the module 100 of the battery pack of any one of the above descriptions; the upper case 300 is provided on the lower case 200 to enclose the module 100 within the module space 201.

According to the battery pack 1000 of the embodiment of the utility model, the output end of the bus bar 50 in the module 100 can be kept straight without bending or step structure, the manufacturing process of the bus bar 50 can be simplified, and the bus bar 50 and the mounting surface 1022 are in surface contact fit, so that the mounting of the bus bar 50 is facilitated, the mounting reliability of the bus bar 50 can be improved, the space utilization rate in the battery pack 1000 can be improved, and the cost can be reduced.

Other constructions and operations of the module 100 of the battery pack according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the terms "some embodiments," "optionally," "further," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A battery pack module (100), comprising:

the base (10) is provided with an accommodating space (103), the base (10) is provided with a side end plate, an extending seat (102) and a converging hole (1012) are arranged on the side end plate (101), the converging hole (1012) is communicated with the accommodating space (103), and the extending seat (102) is provided with a mounting surface (1022);

a bus bar (50), wherein the bus bar (50) is positioned in the accommodating space (103) and is partially arranged in the junction hole (1012) in a penetrating way, and the part of the bus bar (50) extending out of the junction hole (1012) is abutted against the mounting surface (1022);

an insert (70), wherein the insert (70) is arranged on the mounting surface (1022) to connect the bus bar (50) through a fastener, and the end surface of the insert (70) close to the bus bar (50) is on the same plane with the surface of the mounting surface (1022).

2. The battery pack module (100) according to claim 1, wherein the extension holder (102) is provided with a bus bar groove (1021), a bottom surface of the bus bar groove (1021) forms the mounting surface (1022), and the bus bar (50) is provided in the bus bar groove (1021).

3. The battery pack module (100) according to claim 2, wherein the bus bar groove (1021) extends into the accommodating space (103) through the bus bar hole (1012), and the bus bar groove (1021) extends to an end of the accommodating space (103) away from the bus bar hole (1012).

4. The battery pack module (100) according to claim 2, wherein the bus holes (1012), the bus grooves (1021), and the bus bars (50) are provided in two, two of the bus holes (1012) are provided in one-to-one correspondence with the two bus grooves (1021), and two of the bus bars (50) and two of the bus grooves (1021) are provided in one-to-one correspondence.

5. The battery pack module (100) according to claim 4, wherein the extension holder (102) extends in a longitudinal direction of the side end plate (101), two of the bus holes (1012) are provided at both longitudinal ends of the side end plate (101), and two of the bus grooves (1021) are provided at both longitudinal ends of the side end plate (101).

6. The battery pack module (100) according to claim 1, wherein the extension holder (102) extends along a length direction of the side end plate (101), a mounting space is defined between an end of the extension holder (102) away from the side end plate (101) and the side end plate (101), and a portion of the bus bar (50) protruding out of the bus hole (1012) is located in the mounting space.

7. The battery pack module (100) of claim 6, wherein the module (100) further comprises: a BDU module (30), the BDU module (30) electrically connecting the bus bars (50), the BDU module (30) being located within the installation space.

8. The battery pack module (100) according to claim 1, wherein the mounting surface (1022) is provided with a mounting hole (1023), the insert (70) is a nut or a bolt, the nut or the bolt is provided in the mounting hole (1023), the bus bar (50) is provided with a connecting hole (501), and the connecting hole (501) is provided corresponding to the nut or the bolt.

9. The battery pack module (100) according to claim 8, wherein the connection hole (501) is provided at a widthwise central position of the bus bar (50).

10. A battery pack (1000), comprising:

the lower shell (200), the lower shell (200) is provided with a module (100) space;

a module (100), the module (100) being provided in the module (100) space, the module (100) being a module (100) of a battery pack according to any one of claims 1 to 9;

an upper case (300), the upper case (300) being provided on the lower case (200) to enclose the module (100) within the module (100) space.

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