JP2011124072A - Power supply device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power supply device with a space needed for electric wiring between vertically adjacent battery-loading members made as small as possible by making loading postures of batteries or polarities of terminals as common as possible. <P>SOLUTION: In the power supply device in which the battery-loading members 12 for arraying and loading a plurality of batteries 3 with terminals 3a, 3b electrically connected are arrayed in several steps in an up-and-down direction, and terminals 3a, 3b of different batteries 3 are electrically connected by busbars 4b, 4d for inter-step connection between the battery-loading members 12 adjacent in an up-and-down direction, the busbars 4b, 4d for inter-step connection have wiring sections in an arraying direction of the batteries 3 in the battery-loading members 12, and that, the wiring sections are fixed along the battery-loading members 12 by busbar-fixing members 13. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  In the present invention, battery mounting members for arranging and mounting a plurality of batteries electrically connected between terminals of different batteries are arranged in a plurality of stages in the vertical direction, and between the battery mounting members adjacent in the vertical direction. The present invention relates to a power supply apparatus in which terminals of different batteries are electrically connected by a bus bar for interstage connection.

Such a power supply apparatus is an apparatus for electrically connecting a large number of batteries to form a battery power supply having a high voltage or a high capacity and supplying DC power to various devices.
As a configuration form of such a power supply device, as described in Patent Document 1 and Patent Document 2 below, shelves in which a plurality of storage batteries are arranged and placed in series are arranged in a plurality of stages, and a plurality of storage batteries are electrically wired. The structure to perform is common.
As a method of this electrical wiring, there is a method of connecting the terminals of the storage battery between the shelves adjacent in the vertical direction by routing the cable wiring as described in Patent Document 1 below.
More specifically, as shown in FIG. 8, assuming that all the storage batteries are connected in series, a terminal 104 of the storage battery 101a located on one end side of the storage battery 101a, 101b, 101c, 101d of a certain shelf 101 and By connecting the wiring 104 to the terminal 104 of the storage battery 102d located on the other end side of the storage battery 102a, 102b, 102c, 102d of the shelf 102 on the lower side of the shelf 101, the connection between adjacent shelves Perform wiring.

By routing the wiring like this, there is no need to change the mounting position of the storage battery (direction in the front-rear direction) between shelves, or to change the polarity of the terminals in each storage battery between shelves, The mounting position of the storage battery and the polarity of the terminal can be made common.
By the way, in the following Patent Document 2, the connection between the upper and lower shelves is performed by a so-called bus bar, and the storage batteries adjacent in the vertical direction are connected by the bus bar, but in order to enable such connection In other words, there is a limitation that the polarity of the terminals of each storage battery is changed or the mounting posture of the storage battery is changed.

JP 2002-117721 A JP 2007-018933 A

In the conventional configuration such as the above-mentioned Patent Document 1, although there is an advantage that the mounting posture of the storage battery and the polarity of the terminal can be shared as much as possible, a space for passing the wiring cable between the upper and lower shelves is necessary, Accordingly, the size of the power supply device becomes large. In particular, when the battery mounting member has a multi-stage configuration, the influence becomes large.
The present invention has been made in view of such a situation, and the object thereof is to make it possible to share as much as possible the mounting position of the battery and the polarity of the terminals, and between the battery mounting members adjacent in the vertical direction. It is in the point which makes the space required for electrical wiring in as small as possible.

  According to a first aspect of the present application, there is provided the battery in which battery mounting members for arranging and mounting a plurality of batteries electrically connected between terminals of different batteries are arranged in a plurality of stages in the vertical direction and adjacent in the vertical direction. In a power supply apparatus in which terminals of different batteries between the mounting members are electrically connected by a bus bar for interstage connection, the bus bar for interstage connection is arranged in the battery arranging direction in the battery mounting member. There is a wiring portion extending along the wiring portion, and the wiring portion is fixed along the battery mounting member by a bus bar fixing member.

That is, wiring between battery mounting members adjacent in the upper and lower directions is performed by a bus bar which is a rod-shaped conductor member, and wiring for routing the bus bar along the battery arrangement direction is performed.
As described above, the bus bars are generally small in size with respect to the cables having the same current capacity and are easy to set as a desired arrangement shape as a rigid body in the wiring between the stages, so that the bus bars are elongated along the battery line. Even in the case of drawing, the space required in the vertical direction can be suppressed as much as possible.

In addition to the configuration of the first invention, the second invention of the present application is such that a wiring portion extending in the battery arranging direction in the interstage connection bus bar is formed in a thin plate shape, and A flat plate surface of the thin plate-like wiring portion is fixed so as to face the battery mounting member.
Therefore, the space where the bus bar for interstage wiring dominates in the vertical direction can be made as small as possible.
According to a third invention of the present application, in addition to the configuration of the first or second invention, a wiring portion extending along the battery arrangement direction in the interstage connection busbar is provided for fixing the busbar. The member is fixed in a state of being pressed to the lower surface side of the battery mounting member.
In other words, by wiring the bus bars for wiring between the stages while being pressed against the lower surface side of the battery mounting member, the space required in the vertical direction is as much as possible even when the bus bars are routed long along the battery. Can be suppressed.

According to a fourth aspect of the present application, in addition to the configuration of the third aspect of the present invention, a recess extending in the direction in which the batteries are arranged at a contact position of the battery mounting member or the bus bar fixing member with the bus bar. A groove is formed, and the bus bar is fixed in a state of being positioned in the concave groove.
That is, when the bus bar is pressed and fixed to the lower surface side of the battery mounting member by the bus bar fixing member, a concave groove is formed in the battery mounting member or the bus bar fixing member, and the bus bar is positioned therein. Depending on the depth of the concave groove, the vertical width governed by the wiring of the bus bar can be reduced.

According to a fifth invention of the present application, in addition to the configuration of any one of the first to fourth inventions, the battery mounting member and the bus bar fixing member are made of an electrically insulating material. Yes.
Therefore, since the material itself of the battery mounting member and the bus bar fixing member is composed of an electrical insulating material, the work of applying insulation treatment to the contact point with the bus bar in the battery mounting member and the bus bar fixing member When assembling the power supply device, work such as work for sandwiching the insulating member between the battery mounting member or the bus bar fixing member and the bus bar becomes unnecessary.

According to a sixth aspect of the present application, in addition to the structure of any one of the first to fifth aspects of the present invention, an upward movement prevention for contacting the upper surface side of the battery to prevent the upward movement. A member is provided.
That is, when wiring between adjacent battery mounting members in the upper and lower directions is performed on the bus bar, if the battery moves due to vibration or the like, the battery and the bus bar itself are mechanically connected to the battery and the bus bar itself. Will be stressed.
Therefore, the movement of the battery due to vibration or the like is blocked by blocking the upward movement (lifting) of the battery by the upward movement blocking member.

According to a seventh invention of the present application, in addition to the configuration of the sixth invention, the upward movement prevention member is a single member extending over the entire width of the battery in the battery mounting member. Configured.
Therefore, the upward movement of the batteries on one battery mounting member can be blocked together by the upward movement blocking member of the single member.

According to an eighth invention of the present application, in addition to the structure of any of the first to seventh inventions, the battery is brought into contact with the battery between the batteries arranged on the battery mounting member. There is provided a first movement preventing member that prevents the battery from sliding in the direction in which the batteries are arranged.
In other words, when wiring between adjacent battery mounting members in the upper and lower directions is performed on the bus bar, if the battery moves due to vibration or the like, the battery and the bus bar itself are mechanically connected to the battery and the bus bar itself. It will be stressful.
Therefore, the movement of the battery due to vibration or the like is prevented by providing the first movement preventing member that prevents the sliding movement of the battery in the battery arranging direction.

According to a ninth invention of the present application, in addition to the configuration of any one of the first to eighth inventions, the battery is placed on the battery mounting member and intersects with the arrangement direction of the batteries. A second movement preventing member is provided for preventing the battery from sliding in the direction in which the battery moves.
That is, when wiring between adjacent battery mounting members in the upper and lower directions is performed on the bus bar, if the battery moves due to vibration or the like, the battery and the bus bar itself are mechanically connected in addition to the connection point between the battery and the bus bar. It will be stressful.
Therefore, the movement of the battery due to vibration or the like is prevented by providing the second movement prevention member that prevents the battery from moving in the direction intersecting the battery arrangement direction.

According to a tenth aspect of the present application, in addition to the configuration of the ninth aspect, the second movement prevention member includes an arrangement of the battery placement members in the vertical direction and the battery on the battery placement member. A wall member that is installed on one side of the battery in a posture along the alignment of the battery, and a pop-up preventing member that is installed on the opposite side of the wall member from the battery. An engagement for preventing the battery from moving in a direction along the surface of the wall member by engaging with an engaged portion formed on the wall member on a contact surface of the housing with the wall member A joint is formed.
That is, when the battery is sandwiched between the wall member on the battery mounting member side and the jump-out preventing member, the battery is prevented from sliding in a direction that intersects the battery alignment direction. The formed engaging portion and the engaged portion on the wall member side engage with each other, for example, in a fitting manner, and movement in the direction along the surface of the wall member is prevented.

According to the first aspect of the present invention, even when the bus bar is routed long along the battery, the space required in the vertical direction can be suppressed, so that the mounting position of the battery and the polarity of the terminal are made as much as possible. The space required for the electrical wiring between the battery mounting members that are vertically adjacent to each other can be made as small as possible while allowing common use.
Further, according to the second invention, the space that the bus bar for interstage wiring dominates in the vertical direction can be made as small as possible, so that the space required for the electrical wiring between the battery mounting members adjacent in the vertical direction Can be made even smaller.
According to the third aspect of the invention, the bus bar for wiring between the stages is wired in a state where it is pressed against the lower surface side of the battery mounting member. Space required in the direction can be further suppressed.

In addition, according to the fourth invention, the vertical width governed by the wiring of the bus bar can be reduced, and the space required in the vertical direction can be further suppressed even when the bus bar is drawn long along the battery. Can do.
According to the fifth aspect of the invention, the battery mounting member and the bus bar fixing member may be provided at the time of assembling the battery mounting member and the bus bar fixing member in contact with the bus bar, or when assembling the power supply device. Work such as sandwiching an insulating member between the bus bar and the bus bar becomes unnecessary, and the work burden required for manufacturing the power supply device can be reduced.

According to the sixth aspect of the invention, the movement of the battery due to vibration or the like can be prevented by preventing the battery from moving upward (lifting) by the upward movement preventing member. It is possible to reduce the stress and make it more reliable.
According to the seventh aspect of the invention, since the batteries on one battery mounting member can be pressed together on the battery mounting member by the single member upward movement preventing member, the power supply device configuration And the assembly work of the power supply device can be simplified.

In addition, according to the eighth aspect of the present invention, by including the first movement blocking member that blocks the sliding movement of the batteries in the direction in which the batteries are arranged, the movement of the batteries due to vibration or the like can be prevented. It is possible to reduce the mechanical stress applied to the film and make it more reliable.
In addition, according to the ninth aspect of the present invention, the battery movement due to vibration or the like can be prevented by providing the second movement preventing member that prevents the battery from moving in the direction intersecting the battery arranging direction. The mechanical stress applied to the battery and the bus bar can be reduced and the reliability can be improved.
According to the tenth aspect of the invention, the battery is prevented from sliding in a direction intersecting the battery alignment direction while being sandwiched between the wall member on the battery mounting member side and the pop-out prevention member. In this state, the engaging portion formed on the vertical wall surface of the battery and the engaged portion on the wall member side are engaged to prevent movement in the direction along the surface of the wall member. More effective prevention of battery movement due to vibration or the like by further preventing movement of the battery while utilizing a wall member which is a component for preventing the sliding movement of the battery in a direction crossing the alignment direction. It is possible to reduce the mechanical stress applied to the battery and the bus bar and to make it more reliable.

The principal part perspective view of the shelf concerning embodiment of this invention The principal part perspective view of the shelf concerning embodiment of this invention The perspective view of the shelf concerning embodiment of this invention The perspective view of the shelf concerning embodiment of this invention The figure which shows the structure of the back side of the shelf concerning embodiment of this invention. The perspective view which shows the whole structure of the shelf concerning embodiment of this invention The schematic front view of the power supply device concerning embodiment of this invention The figure which shows schematic structure of the power supply device concerning a prior art

Embodiments of a power supply apparatus according to the present invention will be described below with reference to the drawings.
As shown in FIG. 7, which is a schematic diagram in front view, the power supply device PU according to the present embodiment includes a plurality of (two in this embodiment) shelves 2 in the frame 1, and the shelf 2 A plurality of batteries 3 (four in this embodiment) are placed side by side and terminals of different batteries 3 are electrically connected. The battery 3 according to the present embodiment is a storage battery as will be described later, and is hereinafter referred to as “storage battery 3”.
In FIG. 6, the power supply device PU is shown in a perspective view with the frame body 1 removed, and the direction indicated by the arrow A in FIG. 6 is the front side. In other drawings, the front side is indicated by an arrow A.
In the present embodiment, the case where all of these storage batteries 3 are connected in series to form a high-voltage, high-capacity group battery will be described as an example. However, the connection of the storage batteries 3 appropriately combining series connection and parallel connection is described. It is good also as a structure.

Each of the storage batteries 3 may be a single battery, but in the present embodiment, a plurality of lithium ion batteries are connected and housed in a substantially rectangular parallelepiped casing, and a pair of the positive electrode terminal 3a and the negative electrode terminal 3b is provided. In preparation.
As shown in FIG. 1, which is a perspective view of the left end side of the shelf 2, the positive electrode terminal 3 a and the negative electrode terminal 3 b are brought close to the end of the front side in FIG. 7 (the side indicated by arrow A in FIG. 1). It arrange | positions on the upper surface of this, It has the structure which has the shape of a terminal bolt and bolts an electrical wiring member. In the power supply device PU of the present embodiment, the case where any of the storage batteries 3 uses a battery in which the positive electrode terminal 3a is positioned on the right side when viewed from the front and the negative electrode terminal 3b is positioned on the left side when viewed from the front will be described. .
In the following, the expression “left” or “right” is based on this front view. Further, the direction indicated by the arrow A may be described as the front-rear direction with the front side as “front”.

Accordingly, the storage batteries 3 in the power supply device PU using the storage batteries 3 having this configuration are arranged such that the rightmost storage battery 3 is located on the highest potential side when viewed from the front in one shelf 2, and the right side on the shelf 2. In each storage battery 3 arranged from left to right, the negative electrode terminal 3a of each storage battery is connected in series with the positive electrode terminal 3a of the storage battery 3 adjacent on the left side.
Further, the negative electrode of the storage battery 3 positioned at the left end on the shelf 2 is connected to the positive terminal 3a of the storage battery 3 positioned at the right end of the shelf 2 adjacent to the shelf 2 in the vertical direction (that is, the upper or lower shelf 2). Electrically connected.

In the present embodiment, a case where the negative electrode terminal 3b of the storage battery 3 at the left end of the shelf 2 is connected to the positive electrode terminal 3a of the storage battery 3 positioned at the right end of the lower shelf 2 will be described as an example. Therefore, the electrical wiring is routed over substantially the entire width of the shelf 2 from the negative electrode terminal 3b of the storage battery 3 at the left end of the shelf 2 to the positive terminal 3a of the storage battery 3 at the right end side of the lower shelf 2.
With such an electrical wiring, as a whole power supply device PU of the present embodiment, the rightmost storage battery 3 of the uppermost shelf 2 is positioned on the highest potential side, and the lowermost leftmost storage battery 3 is on the lowest potential side. Will be located.

In the power supply device PU of the present embodiment, all the electric wiring between the storage batteries 3 uses a rod-shaped conductor wiring member called a bus bar (or bus bar). More specifically, a thin metal bus bar is used.
The connection between the negative electrode terminal 3b and the positive electrode terminal 3a between adjacent storage batteries 3 in one shelf 2 uses a relatively short inter-battery bus bar 4a as shown in FIG. The vicinity of both ends is bolted to the negative electrode terminal 3b and the positive electrode terminal 3a.

On the other hand, the electrical connection between the negative electrode terminal 3b of the storage battery 3 at the left end of the shelf 2 and the positive electrode terminal 3a of the storage battery 3 at the right end of the shelf 2 on the lower side is between the adjacent shelves in the vertical direction (more precisely, described later). (Between the battery mounting members) between the terminals of the storage battery 3 with a bus bar for interstage connection.
This inter-stage bus bar has a wiring portion that is routed along the direction in which the storage batteries 3 are arranged on the shelf 2 over substantially the entire width of the shelf 2 as described above.

  More specifically, the inter-stage bus bar is a relatively short negative bus bar in which the base end side is bolted to the negative electrode terminal 3b of the storage battery 3 located at the left end and the front end side is bent downward. 4b and a perspective view of the right end side of the shelf 2, as shown in FIG. 2, the base end side is bolted to the positive electrode terminal 3a of the storage battery 3 located at the right end of the lower shelf 2, and the tip end side is upward. It is composed of a relatively short positive bus bar 4c that is bent and a relay bus bar 4d that relays between the negative bus bar 4b and the positive bus bar 4c. As shown in FIGS. 1 and 2, the connection between the negative bus bar 4b and the positive bus bar 4c and the relay bus bar 4d is firmly bolted using a locking nut.

  Accordingly, the relay bus bar 4d is considerably longer than the other bus bars, and has a length that covers substantially the entire width of the shelf 2. The relay bus bar 4d is a wiring portion extending along the direction in which the storage batteries 3 are arranged, and this portion is the lower surface side of the shelf 2 (more precisely, the lower surface side of the battery mounting member described later) as described later. Fixed to. The relay bus bar 4d is also formed in a thin plate shape as described above, and the flat plate surface of the thin plate-like wiring portion faces the battery placement member (more strictly, the battery placement member 12). In a posture that faces the lower surface side).

Next, the wiring mode of the relay bus bar 4d will be described together with the structure of the shelf 2.
Each shelf 2 is mainly composed of an angle member 11 spanning the frame body 1 in the left-right direction and a battery placement member 12 fixedly supported on the angle member 11.
Two angle members 11 are fixed to the frame 1 in such a posture that the plane is directed upward, and two angle members 11 are arranged in the front-rear direction (the direction indicated by the arrow A).
The battery mounting member 12 is formed in a plate shape with an electrically insulating material such as phenol resin reinforced by mixing glass material, and between the terminals is electrically connected to the battery mounting member 12 by the inter-battery bus bar 4a. Connected storage batteries 3 are placed side by side.

The relay bus bar 4d is held on the lower surface side of the battery mounting member 12 so as to extend in the vicinity of the front side end portion along the arrangement direction (left-right direction) of the storage batteries 3 on the battery mounting member 12. .
The relay bus bar 4d is sandwiched between the bus bar pressing plate 13 which is a bus bar fixing member and the lower surface of the battery mounting member 12 in a state in which the respective plate surfaces are parallel to each other. By fixing the bus bar pressing plate 13 to the lower surface side of the battery mounting member 12 with a stopper or the like, the bus bar pressing plate 13 is fixed while being pressed against the lower surface side of the battery mounting member 12 in a posture along the battery mounting member 12. ing.

The bus bar pressing plate 13 is formed of a plate material that is long in one direction (left and right direction) having the same length as the left and right width of the battery mounting member 12 and is a wiring portion that extends along the direction in which the storage batteries 3 are arranged. The substantially entire bus bar 4 d is pressed against the lower surface side of the battery mounting member 12.
As the material of the bus bar pressing plate 13, an electrical insulating material such as phenol resin is used in the same manner as the battery mounting member 12.
Further, on the surface of the bus bar pressing plate 13 facing the lower surface of the battery mounting member 12, a wide and shallow concave groove for passing the relay bus bar 4 d is provided at a contact position with the relay bus bar 4 d of the storage battery 3. It is formed in a state extending in the alignment direction. When assembling the bus bar pressing plate 13 on the lower surface side of the battery mounting member 12, the bus bar pressing plate 13 is assembled and fixed so that the relay bus bar 4d is positioned in the groove.
By mounting and holding the plate-like relay bus bar 4d in this way, the space in front view required for the routing of the relay bus bar 4d is within an extremely narrow vertical width range.

  When the storage battery 3 moves due to vibration or the like because the relay bus bar 4d is attached and fixed to the lower surface side of the battery mounting member 12 as described above, the positive electrode terminal 3a portion and the negative electrode terminal 3b portion of the storage battery 3 Since mechanical stress is also applied to the bus bar itself, a plurality of types of configurations for preventing the movement of the storage battery 3 are provided.

The configuration for preventing the movement of the storage battery 3 includes (1) a configuration for contacting the upper surface side of the storage battery 3 to prevent the storage battery 3 from moving upward (lifting), and (2) the lateral direction of the storage battery 3 ( Configuration for preventing movement in the direction in which the storage batteries 3 are arranged), (3) Configuration for preventing movement in the direction intersecting the direction in which the storage batteries 3 are arranged (specifically, the front-rear direction), and (4) Storage battery 3 There are four types of configurations in which the movement is prevented by engaging with a part of.
Hereinafter, these configurations will be sequentially described.

First, as a configuration for preventing the storage battery 3 from moving upward, as shown in FIG. 3, which is a perspective view in which one stage of the shelf 2 is extracted, the storage battery 3 is brought into contact with the upper surface side and moved upward. An upward movement blocking member 14 for blocking the movement is provided.
The upward movement blocking member 14 is formed by bending a long plate material, and generally has a substantially L-shaped cross-sectional shape, and two are arranged side by side in the front-rear direction. The vertical wall surface of the upward movement blocking member 14 is fixed to the front side of the vertical wall surface of the angle member 11, and the bottom surface side of the upward movement blocking member 14 is in contact with the upper surface of the storage battery 3.
The length in the longitudinal direction of the upward movement prevention member 14 (the direction in which the storage batteries 3 are arranged on the battery mounting member 12) corresponds to the length of the entire width of the arrangement width of the storage batteries 3 on the battery mounting member 12. The upward movement preventing member 14 of the member is installed in such a posture that the longitudinal direction thereof is the alignment direction of the storage batteries 3, and the upward movement of all four storage batteries 3 on the battery mounting member 12 is blocked.

Next, as a configuration for preventing the movement of the storage battery 3 in the left-right direction (that is, the direction in which the storage batteries 3 are arranged on the battery mounting member 12), the foremost perspective view of the shelf 2 shown in FIG. As shown in FIG. 4 in which the storage battery 3 and the angle member 11 on the side are replaced with phantom lines, a lateral movement prevention member 17 (first plate) formed of a strip-shaped plate material so as to fill a gap between the storage batteries 3 adjacent in the left-right direction. 1 movement blocking member FB) is fixed on the battery mounting member 12.
The lateral movement blocking member 17 exists over substantially the entire width of the storage battery 3, two elongated L-shaped connecting rods 18 are fixed to the upper surface, and the upper end of the connecting rod 18 is an angle member. 11 is fixed to the rear surface side of the vertical wall surface, thereby reinforcing the attached state of the lateral movement blocking member 17.
When the storage battery 3 tries to move in the left-right direction due to vibration or the like, the lateral movement prevention member 17 contacts the storage battery 3 and prevents the sliding movement on the battery mounting member 12.

Next, as a configuration for preventing the movement of the storage battery 3 in the front-rear direction, as shown by a two-dot chain line in FIG. 6, on the back side (rear side) of the storage battery 3 along the vertical battery placement member 12. A rear panel 16 that is a wall member fixed to the frame body 1 is provided to prevent the storage battery 3 from moving backward, and further, with respect to the storage battery 3 as shown in FIGS. On the opposite side (that is, the front side) of the rear panel 16, a strip-shaped protrusion protruding in a posture along the direction in which the storage batteries 3 are arranged at the front end position on the battery mounting surface of the battery mounting member 12. The blocking member 15 is fixed and prevents the storage battery 3 from moving to the front side (front side). The pop-out prevention member 15 has a length slightly shorter than the arrangement width of the storage batteries 3, and prevents movement of the four storage batteries 3 with a single member.
The second movement blocking member SB configured by the pop-out blocking member 15 and the back panel 16 contacts the storage battery 3 to block the movement when the storage battery 3 tries to move in the front-rear direction due to vibration or the like.

Next, a configuration that engages with a part of the storage battery 3 to prevent movement will be briefly described.
On the back side of the storage battery 3 which is the contact surface with the back panel 16, a rectangular parallelepiped shape with a low height is shown in FIG. 5A, which is a perspective view schematically showing the rear side (back side) of the storage battery 3. Step portion 3c is formed.
The step 3c has a shape that fits the rectangular opening 16a formed in the back panel 16 shown in FIG.
The arrangement positions of the openings 16a of the rear panel 16 correspond to the arrangement positions in the vertical direction and the horizontal direction of the storage batteries 3 arranged on the upper and lower shelves 2 with the rear panel 16 attached to the frame 1. When the storage battery 3 is mounted on the battery mounting member 12, the stepped portion 3c of the storage battery 3 is used as an engaging portion, and the opening 16a of the back panel 16 is used as an engaged portion so that they are engaged. As a result, the rear end side of the storage battery 3 is prevented from moving in the direction along the surface of the back panel 16.

[Another embodiment]
Hereinafter, other embodiments of the present invention will be listed.
(1) In the above embodiment, the case where all the storage batteries 3 arranged on the five-tier shelf 2 are connected in series is illustrated, but the connection form on the electric circuit between the storage batteries 3 can be variously changed. .
The relay bus bar 4d constituting the inter-stage connection bus bar is fixed to the lower surface side of the battery mounting member 12 over the entire width of the storage batteries 3 on the battery mounting member 12. Thus, it is good also as a structure fixed to the lower surface side of the battery mounting member 12 in a part of arrangement | sequence width of the storage battery 3 on the battery mounting member 12 according to varying the connection form of the storage battery 3 in various ways.
(2) In the above embodiment, the battery mounting member 12 and the bus bar pressing plate 13 are both made of an electrically insulating material, and the metal relay bus bar 4d is sandwiched as it is. You may comprise so that the process of affixing an insulating sheet etc. only on the contact location with the bus bar 4d for relay in the mounting member 12 and the bus-bar press board 13 may be performed.
(3) In the above embodiment, the case where the concave groove for positioning the relay bus bar 4d is formed on the bus bar pressing plate 13 side is illustrated, but with the relay bus bar 4d on the lower surface side of the battery mounting member 12 A concave groove extending along the arrangement direction of the storage batteries 3 may be formed at the contact location, and the relay bus bar 4d may be fixed to the concave groove in a state where the concave portion is positioned. The concave grooves as described above may be formed in both the bus bar 12 and the bus bar pressing plate 13.
(4) Although the lithium ion battery is illustrated as the battery 3 in the above embodiment, batteries such as non-aqueous electrolyte secondary batteries other than lithium ion batteries, nickel hydrogen secondary batteries, capacitors such as electric double layers, etc. Furthermore, the present invention can be applied to the case where a primary battery is used.

3 Battery 3a, 3b Terminal 3c Engagement part 4b, 4c, 4d Bus bar for interstage connection 12 Battery mounting member 14 Upward movement prevention member 15 Pop-up prevention member 16 Wall member 16a Engagement part FB First movement prevention member SB Second movement blocking member

Claims (10)

Battery mounting members for arranging and mounting a plurality of batteries electrically connected between terminals of different batteries are arranged in a plurality of stages in the vertical direction,
Between the battery mounting members adjacent in the vertical direction is a power supply device in which the terminals of different batteries are electrically connected by a bus bar for interstage connection,
The interstage connection bus bar has a wiring portion extending along the battery arrangement direction in the battery mounting member, and the wiring portion is arranged along the battery mounting member by a bus bar fixing member. Fixed power supply.   The wiring portion extending along the battery arrangement direction in the interstage connection bus bar is formed in a thin plate shape, and the flat plate surface of the thin wiring portion is fixed in a posture facing the battery mounting member. The power supply device according to claim 1.   The wiring portion extending along the battery arrangement direction in the interstage connection bus bar is fixed in a state of being pressed against the lower surface side of the battery mounting member by the bus bar fixing member. The power supply described. A concave groove extending in the direction in which the batteries are arranged is formed at a contact position with the bus bar in the battery mounting member or the bus bar fixing member,
The power supply device according to claim 3, wherein the bus bar is fixed in a state where the bus bar is positioned in the concave groove.   The power supply device according to any one of claims 1 to 4, wherein the battery mounting member and the bus bar fixing member are made of an electrically insulating material.   The power supply device according to any one of claims 1 to 5, further comprising an upward movement preventing member that is in contact with an upper surface side of the battery and prevents upward movement.   The power supply apparatus according to claim 6, wherein the upward movement prevention member is configured by a single member that extends over the entire width of the battery in the battery placement member.   8. A first movement preventing member is provided between the batteries arranged on the battery mounting member so as to contact the batteries and prevent sliding movement of the batteries in the arrangement direction of the batteries. The power supply device according to any one of the above.   The second movement blocking member that contacts the battery and blocks the sliding movement of the battery in a direction crossing the alignment direction of the batteries is provided on the battery mounting member. The power supply device according to claim 1. The second movement blocking member is a wall member installed on one side of the battery in a posture along the vertical arrangement of the battery placement members and the arrangement of the batteries on the battery placement members; Consists of a pop-up preventing member installed on the opposite side of the wall member to the battery,
In order to prevent movement of the battery in a direction along the surface of the wall member by engaging with an engaged portion formed on the wall member on a contact surface of the battery casing with the wall member The power supply device according to claim 9, wherein the engaging portion is formed.

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