Terminal Blocks and Battery Units

Abstract

To provide a terminal block with high long-term reliability.SOLUTION: A terminal block comprises: a terminal block housing; and plate-like bus bars arranged inside the terminal block housing. The bus bars each have a first connection part that can be connected to a circuit breaker, and a second connection part to which electric connection members can be connected with fastening members. The terminal block housing has an accommodation part that accommodates the second connection part. With the first connection part connected with the circuit breaker, the second connection part is not fixed to the terminal block housing, and a gap is provided between the second connection part and the terminal block housing forming the accommodation part.SELECTED DRAWING: Figure 4

Description

[Technical field]

[0001] The present invention relates to a terminal block and a storage battery unit. [Background technology]

[0002] Patent Document 1 discloses a storage battery unit that includes a housing that houses a plurality of storage battery modules, each of which has a plurality of single cells. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2019-109986 A Summary of the Invention [Problem to be solved by the invention]

[0004] In the storage battery unit, a control device that controls the battery module is provided inside the housing, and the storage battery module and the control device may be connected via a circuit breaker. In this case, the terminal block is usually connected to the circuit breaker via a bus bar fixed with a screw, so that a load is applied to the terminal block, which may reduce the long-term reliability of the terminal block and, ultimately, the storage battery unit.

[0005] An object of the present disclosure is to provide a terminal block and a storage battery unit that have high long-term reliability. [Means for solving the problem]

[0006] A terminal block according to one embodiment of the present disclosure includes: A terminal block housing; A plate-shaped bus bar disposed inside the terminal block housing; Equipped with The bus bar is a first connection portion provided at one end of the bus bar in an extending direction and capable of being connected to a circuit breaker; a second connection portion provided at the other end of the bus bar in the extending direction and capable of connecting an electrical connection member via a fastening member; having the terminal block housing has an accommodating portion that accommodates the second connection portion, When the first connection portion is connected to the circuit breaker, the second connection portion is not fixed to the terminal block housing, and a gap is provided between the second connection portion and the terminal block housing that constitutes the accommodating portion.

[0007] A storage battery unit according to one aspect of the present disclosure includes: A storage battery module having a storage battery housed therein; a control unit connected to the battery module; Equipped with The control unit: A control unit housing; A control device disposed inside the control unit housing and controlling the storage battery; a circuit breaker disposed within the control unit housing and connected to the control device; a plate-shaped bus bar disposed inside the control unit housing and connected to the circuit breaker and the storage battery module; having The bus bar is a first connection portion provided at one end of the bus bar in an extension direction and connected to the circuit breaker; a second connection portion provided at the other end of the bus bar in the extending direction and connected to an electrical connection member of the storage battery module via a fastening member; having the control unit housing has an accommodating portion that accommodates the second connection portion, The second connection portion is not fixed to the control unit housing, and a gap is provided between the second connection portion and the control unit housing that constitutes the accommodating portion. Effect of the Invention

[0008] According to the above terminal block, a terminal block with high long-term reliability can be realized.

[0009] According to the storage battery unit, a storage battery unit with high long-term reliability can be realized. [Brief description of the drawings]

[0010] [Figure 1] FIG. 1 is a perspective view showing a storage battery unit according to an embodiment of the present disclosure. [Diagram 2] FIG. 2 is a cross-sectional view taken along line II-II in FIG. [Diagram 3] FIG. 1 is a perspective view showing a terminal block according to an embodiment of the present disclosure. [Figure 4] FIG. 4 is a cross-sectional view taken along line IV-IV in FIG. [Diagram 5] Top view of the terminal block in Figure 3. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0011] An example of the present disclosure will be described below with reference to the accompanying drawings. In the following description, terms indicating specific directions or positions (e.g., terms including "upper", "lower", "right" and "left") are used as necessary, but the use of these terms is for the purpose of facilitating understanding of the present disclosure with reference to the drawings, and the meanings of these terms do not limit the technical scope of the present disclosure. In addition, the following description is essentially merely illustrative, and is not intended to limit the present disclosure, its application, or its uses. Furthermore, the drawings are schematic, and the ratios of the dimensions do not necessarily correspond to the real ones.

[0012] 1, a storage battery unit 1 according to an embodiment of the present disclosure includes a storage battery module 2 and a control unit 3 connected to the storage battery module 2. In this embodiment, the storage battery unit 1 further includes a base 4 for fixing the storage battery module 2 to an installation location.

[0013] 1, the storage battery module 2 has a storage battery 10 and a storage battery module housing 20 in which the storage battery 10 is housed. In this embodiment, the storage battery 10 is composed of a plurality of cells. The storage battery module housing 20 has a substantially rectangular parallelepiped shape, and a control unit 3 is attached to one end in the height direction (e.g., Z direction; hereinafter, referred to as the height direction Z) and a base 4 is attached to the other end in the height direction Z.

[0014] As shown in FIGS. 1 and 2, the control unit 3 has a control unit housing 30, and a control device 31, a circuit breaker 32, and a bus bar 50 arranged inside the control unit housing 30.

[0015] 2, in this embodiment, the control unit 3 has a fuse 33 and an electromagnetic relay 34 arranged inside a control unit housing 30. The control device 31 is composed of a control board and the like, and controls the storage batteries 10 of the storage battery module 2. The circuit breaker 32 is connected to the storage battery module 2 via a bus bar 50, and is connected to the control device 31 via the fuse 33 and the electromagnetic relay 34.

[0016] As shown in FIGS. 1 and 2, the control unit housing 30 has a generally rectangular parallelepiped shape, and has a first housing portion 35, a second housing portion 36, a support portion 37, and a third housing portion 38 therein.

[0017] The first accommodating portion 35 is disposed inside the control unit housing 30 at an end farther from the storage battery module 2 in the height direction Z, and accommodates the fuse 33 therein.

[0018] The second accommodating portion 36 is disposed inside the control unit housing 30 between the first accommodating portion 35 and the storage battery module 2 in the height direction Z. The second accommodating portion 36 has a recess 361 disposed at approximately the same position as the first accommodating portion 35 in the width direction (e.g., X direction; hereinafter referred to as width direction X) of the storage battery module housing 20, and a partition portion 362 extending along the width direction X from one end of the recess 361 in the width direction X. The recess 361 accommodates the electromagnetic relay 34.

[0019] The support portion 37 is disposed inside the control unit housing 30 between the first accommodating portion 35 and the storage battery module 2 in the height direction Z, and disposed adjacent to the partition portion 362 of the second accommodating portion 36 in the width direction X. The support portion 37 supports the circuit breaker 32.

[0020] 2, a first arrangement space 81 in which a harness 71 connecting the circuit breaker 32 and the fuse 33 can be arranged is provided between the circuit breaker 32 and the fuse 33. A second arrangement space 82 in which a harness 72 connecting the circuit breaker 32 and the electromagnetic relay 34 can be arranged is provided between the circuit breaker 32 and the electromagnetic relay 34. In this embodiment, a part of the first arrangement space 81 constitutes a part of the second arrangement space 82, and a part of the second arrangement space 82 constitutes a part of the first arrangement space 81.

[0021] The third accommodating portion 38 is disposed inside the control unit housing 30 at an end closer to the storage battery module 2 in the height direction Z, and at approximately the same position as the support portion 37 in the width direction X. The third accommodating portion 38 accommodates a second connection portion 52 of the bus bar 50, which will be described later.

[0022] In this embodiment, the control unit housing 30 includes a terminal block 40 having a terminal block housing 41 and a plate-shaped bus bar 50 arranged inside the terminal block housing 41. In other words, the terminal block 40 constitutes a part of the control unit housing 30. The terminal block 40 has two bus bars 50, and the terminal block housing 41 has two third accommodating portions 38.

[0023] As shown in FIG. 3, the terminal block housing 41 has a substantially rectangular parallelepiped first portion 42 fixed to the control unit housing 30, and a second portion 43 extending in the height direction Z from the first portion 42.

[0024] The first portion 42 is located in the middle of the thickness direction (e.g., Y direction; hereinafter, referred to as thickness direction Y) of the battery module housing 20, and has a wall portion 44 extending along the width direction X, and recesses 45 (see FIG. 4) located on both sides of the wall portion 44 in the thickness direction Y.

[0025] 4, the wall portion 44 extends from an end portion of the first portion 42 in the width direction X that is close to the electromagnetic relay 34 to the center of the first portion 42 in the width direction X. Each recess 45 has an opening 451 that faces the circuit breaker 32 in the height direction Z, and constitutes the third accommodating portion 38. The opening 451 has a shape that follows the outer shape of the second connecting portion 52 in a plane that includes the width direction X and the thickness direction Y, and is configured to be able to accommodate the second connecting portion 52 from the thickness direction Y.

[0026] 4, in a state in which a first connection portion 51 of a bus bar 50 (described later) is connected to a circuit breaker 32, the second connection portion 52 is not fixed to the terminal block housing 41. A gap 80 is provided between the second connection portion 52 in the plate thickness direction of the second connection portion 52 and the terminal block housing 41 constituting the third accommodating portion 38 (in other words, between the second connection portion 52 and a bottom surface 452 of the recess 45 in the height direction Z).

[0027] A plurality of through holes 453 are provided in the bottom surface 452 of each recess 45, penetrating the first portion 42 in the height direction Z. Each through hole 453 is disposed at a position facing a plurality of fastening members 60 fixed to the second connection portion 52, which will be described later. In this embodiment, a portion of each fastening member 60 is located inside the corresponding through hole 453.

[0028] As shown in FIG. 3, the second portion 43 is provided at an end of the first portion 42 far from the electromagnetic relay 34 in the width direction X. In this embodiment, the second portion 43 is composed of first wall portions 431 provided on both sides of the recess 45 in the thickness direction Y, and a second wall portion 432 connecting the ends of the two first wall portions 431 far from the electromagnetic relay 34 in the width direction X. A connecting portion 53 of the bus bar 50 described later is disposed inside the second portion 43. As shown in FIG. 4, the second portion 43 covers the connecting portion 53 from one end to the other end in the thickness direction Y. The inside of the second portion 43 is connected to the inside of the recess 45.

[0029] As shown in Fig. 3, the bus bar 50 has a first connection portion 51 provided at one end in the extension direction of the bus bar 50, and a second connection portion 52 provided at the other end in the extension direction of the bus bar 50. As shown in Fig. 2, the first connection portion 51 is configured to be connectable to the circuit breaker 32. As shown in Fig. 2, the second connection portion 52 is configured to be connectable to an electrical connection member 70, such as a connection terminal or a conductor portion of an electric wire, via a fastening member 60.

[0030] In this embodiment, the bus bar 50 has a generally C-shape as a whole and includes a connecting portion 53 that connects the first connecting portion 51 and the second connecting portion 52. The first connecting portion 51 extends in a width direction X (an example of a first direction), and one end in the width direction X is connected to the circuit breaker 32. The connecting portion 53 is connected to the other end of the first connecting portion 51 in the width direction X, and extends in a height direction Z (an example of a second direction). The second connecting portion 52 is connected to an end of the connecting portion 53 far from the first connecting portion 51 in the height direction Z, and extends along the height direction Z. A fastening member 60 is fixed to an end of the second connecting portion 52 far from the connecting portion 53 in the width direction X.

[0031] The first connection portion 51 is configured so as to be positionable in the height direction Z by the circuit breaker 32. By positioning the first connection portion 51 in the height direction Z, the entire bus bar 50 is positioned in the height direction Z.

[0032] The second connecting portion 52 is positioned in the width direction X and the thickness direction Y (an example of a third direction) by the inner surface of the first portion 42 constituting the recess 45. In other words, the terminal block housing 41 has a first positioning portion 411 that determines the position of the second connecting portion 52 in the width direction X and a second positioning portion 412 that determines the position of the second connecting portion 52 in the thickness direction Y, as shown in FIG. 5. The first positioning portions 411 are disposed at both ends of the recess 45 constituting the third accommodating portion 38 in the width direction X. In this embodiment, the first positioning portion 411 disposed near the connecting portion 53 is composed of a plurality of protrusions 415. The second positioning portions 412 are disposed at both ends of the recess 45 constituting the third accommodating portion 38 in the thickness direction Y.

[0033] The connecting portion 53 is positioned in the thickness direction Y by the inner surface of the first wall portion 431 of the second portion 43, and is positioned in the width direction X by the inner surface of the second wall portion 432 of the second portion 43. In other words, the terminal block housing 41 has a third positioning portion 413 that determines the position of the connecting portion 53 in the thickness direction Y, and a fourth positioning portion 414 that determines the position of the connecting portion 53 in the width direction X, as shown in FIG. 5. The third positioning portions 413 are respectively disposed on a pair of opposing inner surfaces of the first wall portion 431 of the second portion 43. The fourth positioning portion 414 is disposed on the inner surface of the second wall portion 432 that is positioned on the opposite side of the connecting portion 53 to the first connecting portion 51 in the width direction X.

[0034] As shown in Figure 5, in this embodiment, a slight gap is formed between the second connection portion 52 and the first positioning portion 411 and the second positioning portion 412, and a slight gap is formed between the connecting portion 53 and the third positioning portion 413 and the fourth positioning portion 414.

[0035] The terminal block 40 can provide the following effects.

[0036] The terminal block 40 includes a terminal block housing 41 and a plate-shaped bus bar disposed inside the terminal block housing 41. The bus bar 50 has a first connection portion 51 provided at one end in the direction in which the bus bar 50 extends and capable of being connected to a circuit breaker 32, and a second connection portion 52 provided at the other end in the direction in which the bus bar 50 extends and capable of being connected to an electrical connection member 70 via a fastening member 60. The terminal block housing 41 has a third accommodating portion 38 that accommodates the second connection portion 52. In a state in which the first connection portion 51 is connected to the circuit breaker 32, the second connection portion 52 is not fixed to the terminal block housing 41, and a gap 80 is provided between the second connection portion 52 in the plate thickness direction of the second connection portion 52 and the terminal block housing 41 that constitutes the third accommodating portion 38. With this configuration, the bus bar 50 is not fixed to the terminal block housing 41 by the fastening member 60, so that a terminal block 40 with high long-term reliability can be realized.

[0037] The bus bar 50 has a first connection portion 51, a second connection portion 52, and a coupling portion 53. The first connection portion 51 extends along the width direction X, and one end of the first connection portion 51 in the width direction X is connected to the circuit breaker 32. The coupling portion 53 is connected to the other end of the first connection portion 51 in the width direction X, and extends in the height direction Z. The second connection portion 52 is connected to an end of the coupling portion 53 far from the first connection portion 51 in the height direction Z, extends along the width direction X, and a fastening member 60 is fixed to an end of the coupling portion 53 far from the coupling portion 53 in the width direction X. The first connection portion 51 is configured to be positionable in the height direction Z by the circuit breaker 32. With this configuration, a terminal block 40 with high long-term reliability can be realized with a simple configuration.

[0038] The terminal block housing 41 has one or more of the first positioning portion 411, the second positioning portion 412, the third positioning portion 413, and the fourth positioning portion 414, or all of the first positioning portion 411, the second positioning portion 412, the third positioning portion 413, and the fourth positioning portion 414. The first positioning portions 411 are disposed at both ends of the third accommodating portion 38 in the width direction X, and determine the position of the second connecting portion 52 in the width direction X. The second positioning portions 412 are disposed at both ends of the third accommodating portion 38 in the thickness direction Y, and determine the position of the second connecting portion 52 in the thickness direction Y. The third positioning portions 413 are disposed at both sides of the connecting portion 53 in the thickness direction Y, and determine the position of the connecting portion 53 in the thickness direction Y. The fourth positioning portion 414 is disposed on the opposite side of the first connecting portion 51 in the width direction X with respect to the connecting portion 53, and determines the position of the connecting portion 53 in the width direction X. With this configuration, the position of bus bar 50 relative to terminal block housing 41 can be determined accurately, so that terminal block 40 with high long-term reliability can be more reliably achieved.

[0039] The storage battery unit 1 can provide the following effects.

[0040] The storage battery unit 1 includes a storage battery module 2 in which a storage battery 10 is accommodated, and a control unit 3 connected to the storage battery module 2. The control unit 3 includes a control unit housing 30, a control device 31 for controlling the storage battery 10, a circuit breaker 32 connected to the control device 31, and a plate-shaped bus bar 50 connected to the circuit breaker 32 and the storage battery module 2. The bus bar 50 includes a first connection portion 51 provided at one end in the direction in which the bus bar 50 extends and connected to the circuit breaker 32, and a second connection portion 52 provided at the other end in the direction in which the bus bar 50 extends and connected to an electrical connection member 70 of the storage battery module 2 via a fastening member 60. The control unit housing 30 includes a third housing portion 38 for accommodating the second connection portion 52. The second connection portion 52 is not fixed to the control unit housing 30, and a gap 80 is provided between the second connection portion 52 and the control unit housing 30 constituting the third housing portion 38. With this configuration, the bus bar 50 is not fixed to the control unit housing 30 by the fastening members 60, so that a storage battery unit 1 with high long-term reliability can be realized.

[0041] The bus bar 50 has a first connection portion 51, a second connection portion 52, and a coupling portion 53. The first connection portion 51 extends along the width direction X, and one end of the first connection portion 51 in the width direction X is connected to the circuit breaker 32. The coupling portion 53 is connected to the other end of the first connection portion 51 in the width direction X, and extends in the height direction Z. The second connection portion 52 is connected to an end of the coupling portion 53 far from the first connection portion 51 in the height direction Z, extends along the width direction X, and a fastening member 60 is fixed to an end of the coupling portion 53 far from the coupling portion 53 in the width direction X. The first connection portion 51 is configured to be positionable in the height direction Z by the circuit breaker 32. With this configuration, a storage battery unit 1 with high long-term reliability can be realized with a simple configuration.

[0042] The control unit housing 30 has one or more of the first positioning portion 411, the second positioning portion 412, the third positioning portion 413, and the fourth positioning portion 414, or all of the first positioning portion 411, the second positioning portion 412, the third positioning portion 413, and the fourth positioning portion 414. The first positioning portions 411 are disposed at both ends of the third accommodation portion 38 in the width direction X, and determine the position of the second connection portion 52 in the width direction X. The second positioning portions 412 are disposed at both ends of the third accommodation portion 38 in the thickness direction Y, and determine the position of the second connection portion 52 in the thickness direction Y. The third positioning portions 413 are disposed at both sides of the coupling portion 53 in the thickness direction Y, and determine the position of the coupling portion 53 in the thickness direction Y. The fourth positioning portion 414 is disposed on the opposite side of the first connection portion 51 in the width direction X with respect to the coupling portion 53, and determines the position of the coupling portion 53 in the width direction X. With this configuration, the position of the bus bar 50 relative to the control unit housing 30 can be determined accurately, so that the storage battery unit 1 with long-term reliability can be more reliably achieved.

[0043] The storage battery unit 1 includes a fuse 33 or an electromagnetic relay 34 disposed inside the control unit housing 30. An arrangement space 81 is provided between the circuit breaker 32 and the fuse 33 in which a harness 71 connecting the circuit breaker 32 and the fuse 33 can be disposed, and an arrangement space 82 is provided between the circuit breaker 32 and the electromagnetic relay 34 in which a harness 72 connecting the circuit breaker 32 and the electromagnetic relay 34 can be disposed. With this configuration, it is possible to realize a storage battery unit 1 with high long-term reliability, compared to a case in which the circuit breaker 32 and the fuse 33 are connected by a bus bar, or a case in which the circuit breaker 32 and the electromagnetic relay 34 are connected by a bus bar.

[0044] The terminal block 40 and the storage battery unit 1 can also be configured as follows.

[0045] It is possible to omit either or both of the fuse 33 and the electromagnetic relay 34. When the fuse 33 is omitted, the arrangement space 81 in which the harness 71 can be arranged can be omitted, and when the electromagnetic relay 34 is omitted, the arrangement space 82 in which the harness 72 can be arranged can be omitted.

[0046] The terminal block 40 may be provided integrally with other members constituting the control unit housing 30, or may be provided separately from other members constituting the control unit housing 30.

[0047] The first positioning portion 411, the second positioning portion 412, the third positioning portion 413 and the fourth positioning portion 414 may be omitted.

[0048] The configurations and arrangements of the first accommodating portion 35, the second accommodating portion 36, the support portion 37 and the third accommodating portion 38 can be changed according to the design of the terminal block 40 or the storage battery unit 1, etc.

[0049] The bus bar 50 may have any configuration having the first connection portion 51 and the second connection portion 52.

[0050] Instead of the harnesses 71 and 72, bus bars can be used.

[0051] The gap 80 may be provided between the entire surface of the second connection portion 52 and the terminal block housing 41 , or may be provided between a part of the second connection portion 52 and the terminal block housing 41 .

[0052] Either or both of the first positioning portion 411 and the second positioning portion 412 may be configured to contact the second connecting portion 52 so as to form no gap therebetween. Either or both of the third positioning portion 413 and the fourth positioning portion 414 may be configured to contact the coupling portion 53 so as to form no gap therebetween.

[0053] Various embodiments of the present disclosure have been described above in detail with reference to the drawings. Finally, various aspects of the present disclosure will be described. In the following description, reference symbols will be used as examples.

[0054] The terminal block 40 according to the first embodiment of the present disclosure is A terminal block housing 41; A plate-shaped bus bar 50 arranged inside the terminal block housing 41; Equipped with The bus bar 50 is a first connection portion 51 provided at one end of the bus bar 50 in an extending direction and capable of being connected to a circuit breaker 32; a second connection portion 52 provided at the other end of the bus bar 50 in the extending direction and capable of connecting an electrical connection member 70 via a fastening member 60; having the terminal block housing 41 has an accommodating portion for accommodating the second connection portion 52, When the first connection portion 51 is connected to the circuit breaker 32, the second connection portion 52 is not fixed to the terminal block housing 41, and a gap 80 is provided between the second connection portion 52 and the terminal block housing 41 that constitutes the accommodating portion.

[0055] The terminal block 40 according to the second embodiment of the present disclosure is The bus bar 50 is The first connection portion 51 extends along a first direction and has one end in the first direction connected to the circuit breaker 32; a coupling portion 53 connected to the other end of the first connection portion 51 in the first direction and extending in a second direction intersecting the first direction; the second connection portion 52 is connected to an end portion of the connecting portion 53 far from the first connection portion 51 in the second direction, extends along the first direction, and has the fastening member 60 fixed to an end portion of the connecting portion 53 far from the connecting portion 53 in the first direction; having The first connection portion 51 is configured so as to be positionable in the second direction by the circuit breaker 32.

[0056] The terminal block 40 according to the third aspect of the present disclosure is The terminal block housing 41 is The housing portion has first positioning portions 411 disposed on both ends in the first direction and configured to determine the position of the second connection portion 52 in the first direction.

[0057] The terminal block 40 according to the fourth aspect of the present disclosure is The terminal block housing 41 is The housing has second positioning portions 412 arranged at both ends in a third direction intersecting the first direction and the second direction, and configured to determine the position of the second connection portion 52 in the third direction.

[0058] The terminal block 40 according to the fifth aspect of the present disclosure is The terminal block housing 41 is The third positioning portions 413 are disposed on both sides of the connecting portion 53 in a third direction intersecting the first direction and the second direction, and determine the position of the connecting portion 53 in the third direction.

[0059] The storage battery unit 1 according to a sixth aspect of the present disclosure includes: The terminal block housing 41 is The fourth positioning portion 414 is disposed on the opposite side of the coupling portion 53 from the first connection portion 51 in the first direction and determines the position of the coupling portion 53 in the first direction.

[0060] The storage battery unit 1 according to the seventh aspect of the present disclosure includes: a storage battery module 2 housing a storage battery 10 therein; a control unit 3 connected to the storage battery module 2; Equipped with The control unit 3 A control unit housing 30; A control device 31 arranged inside the control unit housing 30 and controlling the storage battery 10; a circuit breaker 32 disposed within the control unit housing 30 and connected to the control device 31; a plate-shaped bus bar 50 disposed inside the control unit housing 30 and connected to the circuit breaker 32 and the storage battery module 2; having The bus bar 50 is a first connection portion 51 provided at one end of the bus bar 50 in an extending direction and connected to the circuit breaker 32; a second connection portion 52 provided at the other end of the bus bar 50 in the extending direction and connected to an electrical connection member 70 of the storage battery module 2 via a fastening member 60; having the control unit housing 30 has a receiving portion for receiving the second connection portion 52, The second connection portion 52 is not fixed to the control unit housing 30, and a gap 80 is provided between the second connection portion 52 and the control unit housing 30 which constitutes the accommodating portion.

[0061] The storage battery unit 1 according to the eighth aspect of the present disclosure includes: The bus bar 50 is The first connection portion 51 extends along a first direction and has one end in the first direction connected to the circuit breaker 32; a coupling portion 53 connected to the other end of the first connection portion 51 in the first direction and extending in a second direction intersecting the first direction; the second connection portion 52 is connected to an end portion of the coupling portion 53 far from the first connection portion 51 in the second direction, extends along the first direction, and has the fastening member 60 fixed to an end portion of the coupling portion 53 far from the coupling portion 53 in the first direction; having The first connection portion 51 is positioned in the second direction by the circuit breaker 32.

[0062] The storage battery unit 1 according to the ninth aspect of the present disclosure includes: The control unit housing 30 The housing portion has first positioning portions 411 disposed on both ends in the first direction and configured to determine the position of the second connection portion 52 in the first direction.

[0063] The storage battery unit 1 according to the tenth aspect of the present disclosure includes: The control unit housing 30 The housing has second positioning portions 412 arranged at both ends in a third direction intersecting the first direction and the second direction, and configured to determine the position of the second connection portion 52 in the third direction.

[0064] The storage battery unit 1 according to an eleventh aspect of the present disclosure includes: The control unit housing 30 The third positioning portions 413 are disposed on both sides of the connecting portion 53 in a third direction intersecting the first direction and the second direction, and determine the position of the connecting portion 53 in the third direction.

[0065] The storage battery unit 1 according to a twelfth aspect of the present disclosure includes: The control unit housing 30 The coupling portion 53 has a fourth positioning portion 414 that is disposed on the opposite side of the coupling portion 53 from the first connection portion 51 in the first direction and that determines the position of the coupling portion 53 in the first direction.

[0066] The storage battery unit 1 according to a thirteenth aspect of the present disclosure includes: a fuse 33 or electromagnetic relay 34 disposed inside the control unit housing 30; An arrangement space 81 is provided between the circuit breaker 32 and the fuse 33 in which a harness 71 connecting the circuit breaker 32 and the fuse 33 can be arranged, or an arrangement space 82 is provided between the circuit breaker 32 and the electromagnetic relay 34 in which a harness 72 connecting the circuit breaker 32 and the electromagnetic relay 34 can be arranged.

[0067] Any of the various embodiments or modifications described above may be appropriately combined to achieve the effects of each of them. In addition, combinations of embodiments, combinations of examples, or combinations of embodiments and examples are possible, and combinations of features of different embodiments or examples are also possible.

[0068] Although the present disclosure has been fully described in connection with the preferred embodiments with reference to the accompanying drawings, various changes and modifications will be apparent to those skilled in the art, and such changes and modifications should be understood to be included within the scope of the present disclosure as defined by the appended claims unless they depart therefrom. [Industrial Applicability]

[0069] The terminal block of the present disclosure can be applied to, for example, a storage battery unit.

[0070] The storage battery unit of the present disclosure can be applied to, for example, a power storage system that uses solar power generation. [Explanation of symbols]

[0071] 1 Battery unit 2. Battery module 3. Control Unit 4. Bass 10. Storage battery 20 Battery module housing 30 Control unit housing 31 Control device 32 Circuit Breaker 33 Fuse 34 Electromagnetic relay 35 First storage section 36 Second Storage Unit 361 Recess 362 Partition 37 Support part 38 Third Storage Unit 40 Terminal block 41 Terminal block housing 411 First positioning part 412 Second positioning part 413 Third positioning part 414 4th positioning part 415 Protrusion 42 Part 1 43 Part 2 431 1st wall section 432 2nd wall section 44 Wall 45 Recess 451 Opening 452 Bottom 453 Through hole 50 Busbar 51 First connection part 52 Second connection part 53 Connecting part 60 Fastening members 70 Electrical connection parts 71, 72 Harness 80 Gap 81 First Configuration Space 82 Second Configuration Space

Claims

1. A terminal block housing; A plate-shaped bus bar disposed inside the terminal block housing; Equipped with The bus bar is a first connection portion provided at one end of the bus bar in an extending direction and connectable to a circuit breaker; a second connection portion provided at the other end of the bus bar in the extending direction and capable of connecting an electrical connection member via a fastening member; having the terminal block housing has an accommodating portion that accommodates the second connection portion, A terminal block in which, when the first connection portion is connected to the circuit breaker, the second connection portion is not fixed to the terminal block housing, and a gap is provided between the second connection portion and the terminal block housing that constitutes the accommodating portion.

2. The bus bar is The first connection portion extends along a first direction and has one end in the first direction connected to the circuit breaker; a coupling portion connected to the other end of the first connection portion in the first direction and extending in a second direction intersecting the first direction; a second connection portion that is connected to an end portion of the connecting portion that is far from the first connection portion in the second direction, extends along the first direction, and has an end portion to which the fastening member is fixed that is far from the connecting portion in the first direction; having The terminal block according to claim 1 , wherein the first connection portion is configured to be positionable in the second direction by the circuit breaker.

3. The terminal block housing comprises:

3. The terminal block according to claim 2, further comprising first positioning portions disposed on both ends of said housing portion in said first direction and for determining a position of said second connection portion in said first direction.

4. The terminal block housing comprises:

4. The terminal block of claim 2, further comprising second positioning portions arranged at both ends of the accommodating portion in a third direction intersecting the first direction and the second direction, and for determining a position of the second connecting portion in the third direction.

5. The terminal block housing comprises:

5. The terminal block of claim 2, further comprising third positioning portions arranged on both sides of the connecting portion in a third direction intersecting the first direction and the second direction, for determining a position of the connecting portion in the third direction.

6. The terminal block housing comprises:

6. The terminal block according to claim 2, further comprising a fourth positioning portion arranged on the opposite side of the first connection portion in the first direction with respect to the coupling portion, the fourth positioning portion determining a position of the coupling portion in the first direction.

7. A storage battery module having a storage battery housed therein; a control unit connected to the battery module; Equipped with The control unit: A control unit housing; A control device disposed inside the control unit housing and controlling the storage battery; a circuit breaker disposed within the control unit housing and connected to the control device; a plate-shaped bus bar disposed inside the control unit housing and connected to the circuit breaker and the storage battery module; having The bus bar is a first connection portion provided at one end of the bus bar in an extension direction and connected to the circuit breaker; a second connection portion provided at the other end of the bus bar in the extending direction, the second connection portion being connected to an electrical connection member of the storage battery module via a fastening member; having the control unit housing has an accommodating portion that accommodates the second connection portion, A storage battery unit, wherein the second connection portion is not fixed to the control unit housing, and a gap is provided between the second connection portion and the control unit housing that constitutes the accommodating portion.

8. The bus bar is The first connection portion extends along a first direction and has one end in the first direction connected to the circuit breaker; a coupling portion connected to the other end of the first connection portion in the first direction and extending in a second direction intersecting the first direction; the second connection portion is connected to an end portion of the coupling portion far from the first connection portion in the second direction, extends along the first direction, and has the fastening member fixed to the end portion far from the coupling portion in the first direction; having The battery unit according to claim 7 , wherein the first connection portion is positioned in the second direction by the circuit breaker.

9. the control unit housing The storage battery unit according to claim 8 , further comprising first positioning portions disposed at both ends of the storage portion in the first direction and configured to determine a position of the second connection portion in the first direction.

10. the control unit housing A storage battery unit as claimed in claim 8 or 9, further comprising second positioning portions arranged at both ends of the storage portion in a third direction intersecting the first direction and the second direction, and which determine the position of the second connection portion in the third direction.

11. the control unit housing 11. A storage battery unit according to claim 8, further comprising a third positioning portion arranged on both sides of the connecting portion in a third direction intersecting the first direction and the second direction, and configured to determine the position of the connecting portion in the third direction.

12. the control unit housing 12. The storage battery unit of claim 8, further comprising a fourth positioning portion arranged on the opposite side of the connecting portion from the first connection portion in the first direction and configured to determine the position of the connecting portion in the first direction.

13. a fuse or electromagnetic relay disposed within the control unit housing; 13. A storage battery unit according to any one of claims 8 to 12, wherein an arrangement space is provided between the circuit breaker and the fuse in which a harness connecting the circuit breaker and the fuse can be arranged, or an arrangement space is provided between the circuit breaker and the electromagnetic relay in which a harness connecting the circuit breaker and the electromagnetic relay can be arranged.

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