Search

WO-2026094232-A1 - INSPECTION JIG, METHOD FOR INSPECTING CONTAINERIZED BATTERY, AND METHOD FOR MANUFACTURING CONTAINERIZED BATTERY

WO2026094232A1WO 2026094232 A1WO2026094232 A1WO 2026094232A1WO-2026094232-A1

Abstract

The present invention provides an inspection jig enabling easy inspection of the positions of busbar leading-end parts for external connection of a containerized battery, a method for inspecting a containerized battery, and a method for manufacturing a containerized battery. This inspection jig 100 is for inspecting the positions of leading-end parts 4a, 4b of a busbar 4 in a containerized battery 1000, the inspection jig 100 comprising: a first positioning part 101 provided with a floor contact part 101a to be brought into contact with floor 10 of the containerized battery 1000; a second positioning part 102 provided with a stud first contact part 102a and a stud second contact part 102b; and a position inspection part 103 for enabling inspection of whether or not the heights from the floor 10, the positions in a left-right direction, and the positions in a front-rear direction of the leading-end parts 4a, 4b of the busbar 4 are within appropriate ranges during an inspection in which the floor contact part 101a is brought into contact with the floor 10 while the stud first contact part 102a and the stud second contact part 102b are brought into contact with a stud 17.

Inventors

  • SAWADA,Mitsuru

Assignees

  • 日本碍子株式会社

Dates

Publication Date
20260507
Application Date
20241031

Claims (10)

  1. An inspection jig for inspecting the position of the tip of a busbar in a container-type battery comprising a front wall, a rear wall, a battery chamber facing the rear wall, a control chamber facing the front wall, and a storage chamber for housing a busbar, The aforementioned battery chamber houses a plurality of interconnected module batteries. The control room is adjacent to the battery room and has a control unit capable of controlling the plurality of module batteries. The aforementioned storage room is adjacent to the control room and houses the busbar extending from the control unit. The busbar has the tip portion facing the front wall surface, The aforementioned front wall surface has an opening for the control room and an opening for the storage room. The inspection jig can be inserted into the storage chamber through the gap between the front wall surface and the control unit. The aforementioned inspection jig is A first positioning portion extending in the vertical direction, the first positioning portion having a floor contact portion for contacting the floor surface of the container-type battery, A second positioning portion extending in the front-rear direction, comprising a first vertical frame contact portion that can contact a first surface of the vertical frame of the opening for the control room, and a second vertical frame contact portion that can contact a second surface perpendicular to the first surface of the vertical frame, A position inspection unit is provided to enable inspection of whether the height from the floor surface, the left-right position, and the front-back position of the tip of the busbar are within an appropriate range during inspection when the floor contact portion is in contact with the floor surface and the first vertical frame contact portion and the second vertical frame contact portion are in contact with the vertical frame, An inspection jig equipped with the following features.
  2. The aforementioned position inspection unit, An extension portion that extends vertically with a certain gap in the left-right direction between it and the first positioning portion, and whose tip is at a first height from the floor surface during the inspection, A wing portion that rises from the extended portion through the bent portion toward the front wall surface of the container-type battery, The inspection jig according to claim 1, comprising:
  3. The aforementioned position inspection unit, A first position inspection unit comprising: a first extension portion that extends vertically with a certain gap in the left-right direction between it and the first positioning portion, and having a first tip portion at a first height from the floor surface during the inspection; and a first wing portion that rises from the first extension portion via a first bending portion toward the front wall surface of the container-type battery, A second position inspection unit comprises a second extension that extends vertically with a certain gap in the left-right direction between it and the first extension, and having a second tip at the first height from the floor surface during the inspection, and a second wing that rises from the second extension via a second bend toward the front wall surface of the container-type battery, The inspection jig according to claim 1, comprising:
  4. This includes inspecting the position of the tip of a busbar in a container-type battery comprising a front wall, a rear wall, a battery chamber facing the rear wall, a control chamber facing the front wall, and a storage chamber for housing a busbar, using an inspection jig. The aforementioned battery chamber houses a plurality of interconnected module batteries. The control room is adjacent to the battery room and has a control unit capable of controlling the plurality of module batteries. The aforementioned storage room is adjacent to the control room and houses the busbar extending from the control unit. The busbar has the tip portion facing the front wall surface, The aforementioned front wall surface has an opening for the control room and an opening for the storage room. A method for inspecting a container-type battery, wherein inspecting the position of the tip of the busbar using an inspection jig includes inserting the inspection jig into the storage chamber through a gap between the front wall surface and the control unit, and inspecting the position of the tip of the busbar and the inspection jig from outside the storage chamber.
  5. The aforementioned inspection jig is A first positioning portion extending in the vertical direction, the first positioning portion having a floor contact portion for contacting the floor surface of the container-type battery, A second positioning portion extending in the front-rear direction, comprising a first vertical frame contact portion that can contact a first surface of the vertical frame of the opening for the control room, and a second vertical frame contact portion that can contact a second surface perpendicular to the first surface of the vertical frame, A position inspection unit is provided to enable inspection of whether the height from the floor surface, the left-right position, and the front-back position of the tip of the busbar are within an appropriate range during inspection when the floor contact portion is in contact with the floor surface and the first vertical frame contact portion and the second vertical frame contact portion are in contact with the vertical frame, A method for inspecting a container-type battery according to claim 4, comprising:
  6. The control unit is fixed on a support column placed on the floor surface of the container-type battery, A method for inspecting a container-type battery according to claim 4 or 5, comprising adjusting the height of the control unit by placing a spacer between the support column and the control unit when the tip of the busbar is in a position lower than the appropriate range.
  7. A method for inspecting a container-type battery according to claim 4 or 5, comprising moving the control unit in the left-right and/or front-back directions within the control chamber to adjust the position of the tip of the busbar so that it is within the appropriate range when the position of the tip of the busbar is not within the appropriate range.
  8. A container-type battery comprising a front wall, a rear wall, a battery compartment facing the rear wall, a control compartment facing the front wall, and a storage compartment adjacent to the control compartment for housing busbars, wherein multiple module batteries are housed in the battery compartment. The plurality of module batteries are electrically connected to each other, The busbar extending from the control room is housed in the aforementioned storage chamber. A control unit capable of controlling the plurality of module batteries is placed in the control room, The inspection jig is inserted into the storage compartment through the gap between the front wall surface and the control unit. A method for manufacturing a container-type battery, comprising bringing the inspection jig into contact with the floor surface of the container-type battery and the vertical frame of the opening for the control room provided in the front wall surface, and inspecting from outside the storage room whether the height from the floor surface, the position in the left-right direction, and the position in the front-back direction of the tip of the busbar are within an appropriate range.
  9. The control unit is fixed on a support column placed on the floor surface of the container-type battery, A method for manufacturing a container-type battery according to claim 8, comprising arranging a spacer between the support column and the control unit to adjust the height of the control unit when the tip of the busbar is in a position lower than the appropriate range.
  10. A method for manufacturing a container-type battery according to claim 8 or 9, comprising moving the control unit in the control chamber in the left-right and/or front-back directions to adjust the position of the tip of the busbar so that it is within the appropriate range when the position of the tip of the busbar is not within the appropriate range.

Description

Inspection jig, method for inspecting container-type batteries, and method for manufacturing container-type batteries This invention relates to an inspection jig, a method for inspecting container-type batteries, and a method for manufacturing container-type batteries. A container-type battery is known in which multiple modular batteries, each consisting of a single cell unit, are arranged and housed within a container. Patent Document 1 describes a container-type storage battery comprising a container with corner fittings, a frame with support columns, and multiple modular batteries mounted on the frame. Patent Document 2 describes a power storage device in which a sodium-sulfur battery module is housed in a sealed container. The power storage device comprises the battery module, a busbar outside the battery module, an intake pipe, an exhaust pipe, a blower, an external temperature sensor, auxiliary equipment, a controller, a battery stand, and a sealed container. This is a schematic diagram showing the positional relationship of each component when a container-type battery according to an embodiment of the present invention is viewed from above.This is a schematic diagram of a container-type battery according to an embodiment of the present invention, as viewed from the left wall.This is a schematic diagram of a container-type battery according to an embodiment of the present invention, as viewed from the front wall.This is a plan view showing an example of a spacer used for adjusting the position of the control unit.This is a schematic diagram showing an inspection jig according to an embodiment of the present invention.This is a schematic diagram showing the positional relationship between the inspection jig and the tip of the busbar, as viewed from the front wall side, when performing an inspection using the inspection jig.This is a schematic diagram showing the positional relationship between the inspection jig and the tip of the busbar, as viewed from the front wall side, when performing an inspection using the inspection jig.This is a schematic diagram illustrating the positional relationship between the inspection jig and the tip of the busbar when the busbar tip is not in the correct position. The embodiments of the present invention will be described below with reference to the drawings. Note that the embodiments shown below are illustrative examples of devices and methods for realizing the technical concept of this invention, and the technical concept of this invention is not limited to the structure, arrangement, etc., of the components described below. (Container-type battery) Figures 1 to 3 show examples of container-type batteries 1000 suitable for inspection using the inspection jig 100 according to an embodiment of the present invention. As shown in Figure 1, the container-type battery 1000 comprises a container 1, a module battery 2 housed inside the container 1, a control unit 3 for controlling the operation of the module battery 2, and a busbar 4 for connecting the module battery 2 to an external device outside the container-type battery 1000. The container 1 comprises a front wall surface 11, a rear wall surface 12 facing the front wall surface 11, and a right wall surface 13 and a left wall surface 14 facing each other between the front wall surface 11 and the rear wall surface 12. The container-type battery 1000 comprises a battery compartment 20 facing the rear wall 12 of the container 1, a control compartment 30 facing the front wall 11 of the container 1, and a storage compartment 40 for housing the busbar 4. A partition wall 50 is positioned between the battery compartment 20 and the control compartment 30, and between the battery compartment 20 and the storage compartment 40. In this specification, for the sake of explanation, the front wall surface 11 facing the control unit 3 is defined as the front side, and the rear wall surface 12 facing the battery compartment 20 is defined as the rear side, defining the front, rear, left, and right directions. However, this is merely an example, and the front, rear, left, and right directions are not limited to the names of the components. For example, in actual use, the rear wall surface 12 facing the battery compartment 20 may be called the "front," the front wall surface 11 facing the control unit 3 may be called the "rear," and the left wall surface 14 may be called the "right wall." As shown in Figure 3, the front wall 11 of container 1 has an opening 15 for the control room 30 and an opening 19 for the storage room 40. A pair of openable and closable doors 16 are attached to the opening 15 for the control room 30. For illustrative purposes, the door on the right side of the page is omitted in Figure 3. Workers can directly access the control room 30 from outside container 1 by opening and closing the doors 16. The doors 16 are attached to the vertical frames 17 and 18 of the opening 15 for the control room 30, respectively. The open