JP7364101B1 - Storage battery partition sheet and storage battery system - Google Patents

Abstract

The present invention provides a partition sheet for a storage battery and a storage battery system in which workability inside the storage battery is improved.
SOLUTION: A partition sheet 50 extends along a top plate 18 above a control section 40 of a storage battery unit 20 inside an accommodation space S1 of a cylindrical body 12, and is connected to the control section 40 side of a storage battery unit 20. It is separated from the top plate 18 side. According to such a partition sheet 50, work efficiency is improved when a worker opens the top plate 18 and accesses the storage battery unit 20 through the upper end opening of the cylindrical body 12 during repair or maintenance work. be enhanced.
[Selection diagram] Figure 3

Description

The present invention relates to a storage battery partition sheet and a storage battery system.

In recent years, stationary type storage batteries have become increasingly popular, mainly for home use. For example, Patent Document 1 listed below discloses a storage battery having a configuration in which a battery module is housed inside a vertically long cylindrical casing, and the cylindrical casing is sealed by a top lid.

JP 2021-7295 Publication

In the storage battery having the above configuration, when performing repair or maintenance work, it is conceivable that an operator opens the top cover and accesses the battery module through the upper opening of the cylindrical casing. At this time, if the worker were to touch wiring or terminals in areas that are not necessary for repair or maintenance, problems would occur with parts such as the battery module, so it was necessary to work with sufficient caution.

One aspect of the present invention is to provide a storage battery partition sheet and a storage battery system in which workability inside the storage battery is improved.

A storage battery partition sheet according to one aspect of the present invention includes a housing having an upper opening that opens upward, a lid portion that closes the upper opening of the housing, and a battery module housed inside the housing. In a storage battery equipped with this, the battery extends above the battery module inside the casing along the lid part to partition the battery module side and the lid side.

In the above-mentioned storage battery partition sheet, the battery module side and the lid side are separated, which prevents workers from touching wiring or terminals that are not necessary for repairs or maintenance, thereby improving work efficiency. Improvements will be made.

In the storage battery partition sheet according to the other aspect, the housing has a flange portion extending inward from the edge of the upper opening.

In the storage battery partition sheet according to the other aspect, the outer edge extends to a position overlapping the flange portion of the housing when viewed from above the housing.

In the storage battery partition sheet according to the other aspect, the outer edge is in contact with the inner surface of the casing while being inclined with respect to the inner surface.

The storage battery partition sheet according to the other aspect is bendable and has a size smaller than the opening area defined by the flange portion when folded and larger than the size of the casing when unfolded.

In the storage battery partition sheet according to the other aspect, the shape when folded has corners, and the corners are doubled.

A storage battery system according to one aspect of the present invention includes a housing having an upper opening that opens upward, a lid that closes the upper opening of the housing, a battery module housed inside the housing, and a housing. A partition sheet is provided that extends along the lid portion above the battery module inside the battery module and partitions the battery module side and the lid side.

In the above storage battery system, the partition sheet separates the battery module side and the lid side, which prevents workers from coming into contact with wiring or terminals that are not necessary for repairs or maintenance, thereby improving work efficiency. Improvements will be made.

The storage battery system according to another aspect further includes a control unit provided above the battery module inside the housing, and the partition sheet is attached to the top surface of the control unit.

In the storage battery system according to another aspect, the partition sheet is attached to the upper surface of the control unit with double-sided tape.

In the storage battery system according to another aspect, the control unit has a terminal provided on the upper surface, the partition sheet has an opening through which the terminal is inserted in a region corresponding to the terminal, and the terminal is exposed from the opening. ing.

In the storage battery system according to another aspect, when viewed from above the housing, at least a portion of the inner surface of the housing is curved, and when viewed from above the housing, the partition sheet has a shape having corners. , the corner portion is curved along the curve of the inner shape of the housing.

In the storage battery system according to the other aspect, the partition sheet has an inlet part on the battery module side into which the wiring from the outside of the casing is injected, and the partition sheet has a wiring in which the wiring is drawn from the battery module side to the lid part side. have a mouth

According to various aspects of the present invention, there are provided a partition sheet for a storage battery and a storage battery system in which workability inside the storage battery is improved.

FIG. 1 is a perspective view showing a storage battery system according to an embodiment. FIG. 2 is an exploded perspective view of the battery case shown in FIG. 1. FIG. 2 is a sectional view taken along line III-III of the battery case shown in FIG. 1. FIG. FIG. 2 is a top view showing a control section inside the battery case shown in FIG. 1. FIG. FIG. 2 is a developed view showing a partition sheet according to an embodiment. FIG. 6 is a diagram showing the shape of the partition sheet of FIG. 5 after being bent and formed. 7 is an enlarged view of a main part showing a corner of the partition sheet of FIG. 6. FIG. FIG. 2 is a schematic cross-sectional view showing dimensions of a cylindrical body and a partition sheet of the battery case. It is a developed view showing a box part 60 according to an embodiment. 10 is a diagram showing the shape of the box portion of FIG. 9 after being bent and formed. FIG. It is a schematic sectional view showing the state of the edge of the wiring port of the partition sheet.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the accompanying drawings. In the description of the drawings, the same reference numerals are used for the same or equivalent elements, and overlapping description will be omitted.

A storage battery system 1 according to one embodiment will be described with reference to FIGS. 1 to 3.

The storage battery system 1 includes a battery case 10 and a storage battery unit 20 housed inside the battery case 10. When in use, the storage battery system 1 is attached to an external device 2 such as a power conditioner, and transmits and receives electric power and signals to and from the external device 2 . For transmitting and receiving electric power and signals between the storage battery system 1 and the external device 2, wiring passed through the inside of the raceway 3 is used. In this embodiment, one end 3a of the wiring pipe 3 is attached to the storage battery system 1, and the other end 3b is attached to the external device 2. The wiring pipe 3 can be made of, for example, a flexible resin, and can be made of, for example, a PF pipe that is flame retardant and weather resistant.

The battery case 10 defines an accommodation space S1 that accommodates the storage battery unit 20, and as shown in FIG. A bottom plate 19 is provided. The cylindrical body 12, the top plate 18, and the bottom plate 19 can all be made of metal materials.

The cylindrical body 12 has a cylindrical shape extending in the vertical direction, and has a rectangular cylindrical shape in this embodiment. The cylindrical body 12 has an upper end opening (upper opening) and a lower end opening. The upper end opening of the cylindrical body 12 is open upward. The cylindrical body 12 is made of a metal plate, and in this embodiment is made of a steel plate (more specifically, a pre-painted steel plate). The cylindrical body 12 according to this embodiment is provided by bending a single steel plate into a rectangular cylindrical shape, abutting the ends, and rolling it up to form creases 13 in the vertical direction. The cylindrical body 12 has a rectangular annular shape when viewed from above and below, and has a rectangular annular cross-sectional shape. In this embodiment, the rectangular annular cross section of the cylindrical body 12 has curved corners. The cylindrical body 12 has a front plate part 12a and a back plate part 12b corresponding to the long sides of a rectangle, and a pair of side plate parts 12c and 12d corresponding to the short sides of the rectangle. The fold line 13 is provided on the back plate portion 12b.

A flange portion 6 is provided at the upper end of the cylindrical body 12 over almost the entire edge of the upper end opening. The flange portion 6 extends inward at a substantially right angle from the edge of the upper end opening to define a rectangular opening. The flange portion 6 can be used for screwing the cylindrical body 12 and the top plate 18 by arranging them so as to overlap in parallel with the top plate 18.

The cylindrical body 12 made of a steel plate can protect the storage battery unit 20 from ultraviolet rays and humidity outside the case, and has sufficient weather resistance. In particular, since the cylindrical body 12 has only one crease 13 serving as a seam, high waterproofness can be obtained. Further, by using a pre-painted steel plate as the material for the cylindrical body 12, a significant cost reduction is achieved. Furthermore, in this embodiment, since the cylindrical body 12 is not provided with a reinforcing material, it can be easily formed, is lightweight, and reduces manufacturing costs and material costs. It is being

The side plate portion 12c of the cylindrical body 12 is provided with a perfectly circular wire entry port 14 near the upper end. Further, a line entry portion 15 defining a line entry space S2 is attached to the side plate portion 12c of the cylindrical body 12. The line entry part 15 is attached to a location where the line entry port 14 is provided on the side plate part 12c, and the box part 16 has a side opening 16a, and the line entry part 15 closes the side opening 16a of the box part 16 and guides the wiring pipe 3. It has a guide part 17. The box portion 16 has a communication port 16b that communicates with the wire inlet 14 of the side plate portion 12c of the cylindrical body 12, and a wire inlet 16c provided at the bottom. One end 3a of the wiring pipe 3 is attached to the wire entry port 16c of the box portion 16 from below the box portion 16, and the wire passed through the inside of the wiring pipe 3 is once drawn into the wire entry space S2 of the wire entry portion 15. The line entry space S2 is kept airtight and watertight with respect to the outside, and the wiring drawn into the line entry space S2 is passed through the communication port 16b communicating with the line entry port 14 of the cylindrical body 12 into the cylindrical body 12. The body 12 is drawn into the accommodation space S1. The guide portion 17 covers the side plate portion 12c of the cylindrical body 12 via the box portion 16. The guide portion 17 extends in the vertical direction of the cylindrical body 12 and has a U-shaped cross section. The guide portion 17 is designed such that its upper end position is the same as the upper end position of the cylindrical body 12, and its lower end position is approximately the same as the lower end position of the cylindrical body 12. The lower end portion 17a of the guide portion 17 is slanted so that the back side is higher than the front side, and is designed to easily guide the wiring pipe 3 attached to the box portion 16 to the back side.

The top plate 18 is a plate-like member that closes the upper opening of the cylindrical body 12, and defines the upper side of the accommodation space S1. In this embodiment, the top plate 18 also closes the upper opening of the guide section 17 of the line entry section 15. The top plate 18 can be attached to the upper end 12e of the cylindrical body 12 so as to fit therein. In this embodiment, a groove into which the upper end portion 12e enters is provided along the entire circumference of the edge of the top plate 18. The top plate 18 is placed over the cylindrical body 12 such that the upper end 12e of the cylindrical body 12 fits into the groove. Thereby, high waterproofness is achieved at the joint between the top plate 18 and the cylindrical body 12. The top plate 18 may be manufactured using a die-casting method. The top plate 18 can also be made of a resin material in addition to a metal material.

The bottom plate 19 is a plate-like member that closes the lower opening of the cylindrical body 12, and defines the lower side of the accommodation space S1. The bottom plate 19 can be attached to the cylindrical body 12 by screwing. The top plate 18 and the bottom plate 19 protect the storage battery unit 20 housed in the battery case 10 from rainwater, dust, and the like. When attaching the top plate 18 and the bottom plate 19 to the cylindrical body 12, a sealing member such as packing may be used as appropriate to improve the sealing performance of the battery case 10.

As shown in FIG. 3, a storage battery unit 20 is accommodated in the accommodation space S1 defined by the battery case 10. The storage battery unit 20 includes a battery module 30 (battery module) and a control section 40.

The battery module 30 has a substantially box-like outer shape, and specifically has a rectangular plate-like outer shape. That is, the battery module 30 has a long side and a short side, and the thickness thereof is shorter than the length of the short side. The battery module 30 may be installed such that its long side direction is parallel to the long side direction of the cylindrical body 12 of the battery case 10. The storage battery unit 20 can include a plurality of battery modules 30, and the plurality of battery modules 30 can be arranged side by side or stacked in multiple stages.

The control unit 40 is arranged on the battery module 30, and in this embodiment is arranged at the upper end of the accommodation space S1. The control unit 40 has an approximately rectangular parallelepiped outer shape. More specifically, the control unit 40 has a rectangular shape when viewed from the top and bottom, and is installed so that its long side direction is parallel to the long side direction of the cylindrical body 12 of the battery case 10. The control unit 40 is a part that controls charging and discharging (or one of charging and discharging) of the battery module 30. The control unit 40 is electrically connected to the battery module 30 via wiring (not shown). As shown in FIG. 4, various parts are provided on the upper surface of the control unit 40, including a terminal block 41 to which the wiring drawn through the wiring pipe 3 is connected, a breaker 42, and a signal line terminal 43. The various components may also include an indicator (SOC) indicating the state of power storage, a ground terminal wire, and a USB terminal.

The storage space S1 defined by the battery case 10 further accommodates a partition sheet 50 (storage battery partition sheet). In this embodiment, the partition sheet 50 is arranged above the control section 40 of the storage battery unit 20. The partition sheet 50 is arranged to extend in a direction perpendicular to the up-down direction, and extends along the top plate 18. The partition sheet 50 extends over substantially the entire area of the cylindrical body 12 when viewed from above, and the outer edge of the partition sheet 50 is in contact with the inner surface of the cylindrical body 12 as a whole. Thereby, the partition sheet 50 divides the storage space S1 into upper and lower parts, and partitions the storage space S1 between the storage battery unit 20 (battery module 30) side and the top plate 18 side.

The partition sheet 50 can be composed of a single polycarbonate sheet. The partition sheet 50 according to this embodiment can be folded and formed, and has a three-dimensional structure. FIG. 5 shows a developed view of the partition sheet 50, and FIG. 6 shows the three-dimensional shape of the partition sheet 50 after bending and forming. As shown in FIG. 5, the partition sheet 50 has a substantially rectangular developed shape, and includes a rectangular main body 51, a pair of long edges 52A and 52B, and a pair of short edges 53A. , 53B. The main body part 51 of the partition sheet 50 is a part placed on the upper surface of the control part 40, and its long side direction is parallel to the long side direction of the cylindrical body 12 (i.e., the long side direction of the control part 40). It is set up so that. In this embodiment, the partition sheet 50 is attached to the upper surface of the control section 40 using double-sided tape, and the partition sheet 50 is fixed to the control section 40 using the double-sided tape. As described above, since various parts including the terminal block 41, breaker 42, and signal line terminal 43 are provided on the upper surface of the control unit 40, the openings 54 (or A notch) is provided. Thereby, even when the partition sheet 50 is provided, operations on various parts of the control section 40 (for example, wiring connections, switch operations, and information reading) can be performed via the partition sheet 50. Further, by inserting various parts and wiring through the opening 54, the partition sheet 50 and the control section 40 can be easily aligned and connected. Note that when information (product identification number, etc.) is displayed on the upper surface of the control section 40, an opening may be provided in a region of the main body section 51 corresponding to the display.

The pair of long side edges 52A and 52B are located so as to sandwich the main body 51, and extend along the long side direction of the cylindrical body 12. The pair of long side edges 52A and 52B are bent upward from the main body 51 and are in contact with the front plate 12a and the back plate 12b corresponding to the long sides of the cylindrical body 12, respectively. The pair of short edge portions 53A and 53B are portions that are positioned to sandwich the main body portion 51 and extend along the short side direction of the cylindrical body 12. The pair of short edge portions 53A and 53B are bent upward from the main body portion 51 and are in contact with the pair of side plate portions 12c and 12d corresponding to the short sides of the cylindrical body 12, respectively.

The partition sheet 50 has corners when folded, and when folded, four corners 56 are formed by the long edges 52A, 52B and the short edges 53A, 53B. . At each corner 56, the long edges 52A, 52B and the short edges 53A, 53B of the partition sheet 50 overlap each other, forming a double layer. In particular, at the corner 56 where the long edges 52A, 52B and the short edges 53B overlap, the end 53a of the short edge 53B is inside the end 52a of the long edges 52A, 52B. so that they overlap each other. Each corner 56 of the partition sheet 50 can be curved to follow the curve of the inner shape of the corner of the cylindrical body 12 . In the present embodiment, as shown in FIG. 7, the ends of the long edges 52A and 52B are the ends 53a of the short edges 53B and the ends 52a of the long edges 52A and 52B that overlap at the corner 56. The portion 52a is curved to follow the inner shape of the corner of the cylindrical body 12, and the end portion 53a of the short edge portion 53B is approximately trapezoidal. By appropriately adjusting the inclination angle θ of the side where the end 53a of the short edge 53B contacts the long edge 52A, 52B and the bending angle of the long edge 52A, 52B, the deflection of the partition sheet 50 can be reduced. (In particular, the deflection of the short edge portion 53B) can be suppressed.

The partition sheet 50 can be stored in the storage space S1 from the upper opening of the cylindrical body 12 in a folded state. Since the dimensions of the partition sheet 50 in the folded state are almost the same as the dimensions of the main body 51, as shown in FIG. 8, the dimension D3 of the main body 51 is the dimension D1 ( More specifically, it is designed to be smaller than the size of the opening defined by the flange portion 6). The partition sheet 50 accommodated in the accommodation space S1 expands to some extent due to the elasticity of the material, and has a dimension that substantially matches the dimension D2 of the inner surface of the cylindrical body 12. The outer edge of the partition sheet 50 accommodated in the accommodation space S1 extends to a position overlapping the flange portion 6 of the cylindrical body 12 when viewed from the extending direction (vertical direction) of the cylindrical body 12. At this time, the outer edge of the partition sheet 50 is in contact with the inner surface of the cylindrical body 12 in a tilted state. The dimension D4 of the partition sheet 50 in a completely unfolded state is designed to be larger than the dimension D2 of the inner surface of the cylindrical body 12.

As shown in FIG. 3, the partition sheet 50 is located above the line inlet 14 provided in the side plate portion 12c of the cylindrical body 12. In order to connect the wiring drawn into the accommodation space S1 through the wire entry port 14 to the terminal block 41 exposed on the upper side of the partition sheet 50, the main body portion 51 is provided with a wiring port 55 through which the wire is inserted. ing. As shown in FIGS. 5 and 6, the wiring port 55 is provided adjacent to the short edge portion 53B that contacts the side plate portion 12c of the cylindrical body 12. The wiring port 55 has a substantially rectangular shape, and extends so that its long side is parallel to the short side edge 53B.

In this embodiment, a box part 60 is attached to the wiring port 55 of the main body part 51. Like the partition sheet 50, the box section 60 can be constructed from a single polycarbonate sheet. The box portion 60 according to this embodiment has a three-dimensional configuration that is bent and formed. FIG. 9 shows a developed view of the box part 60, and FIG. 10 shows the three-dimensional shape of the box part 60 after bending and forming. As shown in FIG. 9, the box part 60 has a rectangular main body part 61, a pair of side parts 62 and 63, and a bottom part 64. As shown in FIG. 10, the main body part 61 of the box part 60 is a part that extends in the vertical direction along the side surface of the control part 40, and the pair of side parts 62 and 63 are substantially perpendicular to the main body part 61. It is bent away from the control unit 40. The bottom portion 64 is a portion bent at an acute angle from the lower end of the main body portion 61 . The bottom portion 64 is provided with a rectangular cutout 65 through which the wire drawn into the housing space S1 via the wire entry port 14 is inserted.

The box portion 60 can be adhered to the edge area of the wiring port 55 of the main body portion of the partition sheet 50 at the flange portions 66 provided on the pair of side surfaces 62 and 63. Double-sided tape can be used to adhere the flange portion 66 of the box portion 60 and the partition sheet 50.

In this embodiment, the wiring port 55 of the main body portion 51 of the partition sheet 50 is provided with a bent portion 55a along the long side on the control portion 40 side. The bent portion 55a has the same width and an elongated shape. As shown in FIG. 11, the folded portion 55a of the partition sheet 50 is formed inside the box portion 60 (that is, so as to cover the edge of the box portion 60). If the folded part 55a of the partition sheet 50 is located outside the box part 60 due to the manufacturing procedure, then the elasticity of the folded part 55a is used to position it inside the box part 60. It can be shaped like this. As the folded portion 55a of the partition sheet 50 is located inside the box portion 60 as shown in FIG. 11, the operator is prevented from touching the edge of the box portion 60 when working around the wiring port 55. It is possible to prevent accidents caused by this (sheet damage, wire breakage, injury, etc.).

As explained above, the partition sheet 50 extends along the top plate 18 above the control section 40 of the storage battery unit 20 inside the accommodation space S1 of the cylindrical body 12, and It partitions the side and the top plate 18 side. According to such a partition sheet 50, work efficiency is improved when a worker opens the top plate 18 and accesses the storage battery unit 20 through the upper end opening of the cylindrical body 12 during repair or maintenance work. be enhanced. For example, by providing the partition sheet 50, it is possible to prevent accidents (such as disconnection or electric shock) caused by a worker coming into contact with wiring or terminals. Furthermore, by providing the partition sheet 50, it is possible to prevent an accident in which parts, work tools, mobile terminals, etc. constituting the storage battery system 1 fall and enter deep into the accommodation space S1 of the cylindrical body 12. I can do it.

The above-mentioned partition sheet is not limited to the above-mentioned form, and various forms can be adopted. For example, the housing of the battery case is not limited to a cylindrical shape with both ends open, but may be cylindrical with a bottom, a box shape, or the like. In addition, the shape of the edges (for example, long edges and short edges) of the partition sheet may be angular or curved to match the inner shape of the cylindrical body. can.

As understood from the above description, this specification discloses the following.
[Additional note 1]
In a storage battery, the storage battery includes a housing having an upper opening that opens upward, a lid portion that closes the upper opening of the housing, and a battery module housed inside the housing. A storage battery partition sheet that extends along the lid on the upper side of the battery module and partitions the battery module side and the lid side.
[Additional note 2]
The storage battery partition sheet according to Supplementary Note 1, wherein the housing has a flange portion extending inward from an edge of the upper opening.
[Additional note 3]
The storage battery partition sheet according to appendix 2, wherein the outer edge extends to a position overlapping a flange portion of the housing when viewed from above the housing.
[Additional note 4]
The partition sheet for a storage battery according to appendix 3, wherein the outer edge is in contact with the inner surface of the housing in a state of being inclined with respect to the inner surface.
[Additional note 5]
The storage battery partition sheet according to appendix 4, which is bendable and has a size smaller than the opening area defined by the flange when folded and larger than the casing when unfolded. .
[Additional note 6]
The partition sheet for a storage battery according to appendix 5, which has a corner when folded, and the corner has a double layer.
[Additional note 7]
a casing having an upper opening that opens upward;
a lid portion that closes the upper opening of the housing;
a battery module housed inside the casing;
A storage battery system comprising: a partition sheet that extends along the lid section above the battery module inside the housing and partitions the battery module side and the lid side.
[Additional note 8]
further comprising a control section provided above the battery module inside the casing,
The storage battery system according to appendix 7, wherein the partition sheet is attached to an upper surface of the control unit.
[Additional note 9]
The storage battery system according to appendix 8, wherein the partition sheet is attached to the upper surface of the control unit with double-sided tape.
[Additional note 10]
The control section has a terminal provided on the upper surface,
The storage battery system according to appendix 8 or 9, wherein the partition sheet has an opening through which the terminal is inserted in a region corresponding to the terminal, and the terminal is exposed from the opening.
[Additional note 11]
When viewed from above the housing, at least a portion of the inner surface of the housing is curved;
Any one of appendices 7 to 10, wherein the partition sheet has a corner when viewed from above the casing, and the corner is curved along the curve of the inner shape of the casing. Storage battery system described in.
[Additional note 12]
having a line entry part on the battery module side with respect to the partition sheet, into which wiring from outside the casing is entered;
The storage battery system according to any one of appendices 7 to 11, wherein the partition sheet has a wiring port for leading the wiring from the battery module side to the lid side.

DESCRIPTION OF SYMBOLS 1... Storage battery system, 10... Battery case, 12... Cylindrical body, 18... Top plate, 19... Bottom plate, 20... Storage battery unit, 30... Battery module, 40... Control part, 50... Partition sheet, 60... Box part, S1...Accommodation space.

Claims (9)

In a storage battery, the storage battery includes a housing having an upper opening that opens upward, a lid portion that closes the upper opening of the housing, and a battery module housed inside the housing. Extending along the lid on the upper side of the battery module to partition the battery module side and the lid side,
The casing has a flange portion extending inward from an edge of the upper opening,
A partition sheet for a storage battery, the outer edge of which extends to a position overlapping a flange portion of the housing when viewed from above the housing . The partition sheet for a storage battery according to claim 1 , wherein the outer edge is in contact with the inner surface of the housing in a state of being inclined with respect to the inner surface. 3. The storage battery partition according to claim 2 , which is bendable and has a size smaller than an opening area defined by the flange when folded and larger than a size of the housing when unfolded. sheet. The partition sheet for a storage battery according to claim 3 , wherein the partition sheet for a storage battery has a shape having corner portions when folded, and the corner portions are doubled. a casing having an upper opening that opens upward;
a lid portion that closes the upper opening of the housing;
a battery module housed inside the casing;
a partition sheet extending along the lid part above the battery module inside the casing and partitioning the battery module side and the lid side ,
further comprising a control section provided above the battery module inside the casing,
In the storage battery system , the partition sheet is attached to an upper surface of the control section . The storage battery system according to claim 5 , wherein the partition sheet is attached to the upper surface of the control section with double-sided tape. The control section has a terminal provided on the upper surface,
The storage battery system according to claim 5 , wherein the partition sheet has an opening through which the terminal is inserted in a region corresponding to the terminal, and the terminal is exposed from the opening. When viewed from above the housing, at least a portion of the inner surface of the housing is curved;
The storage battery system according to claim 5 , wherein the partition sheet has a corner when viewed from above the casing, and the corner is curved along a curve of an inner shape of the casing. . having a line entry part on the battery module side with respect to the partition sheet, into which wiring from outside the casing is entered;
The storage battery system according to claim 5 , wherein the partition sheet has a wiring port for drawing the wiring from the battery module side to the lid side.

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