Power source apparatus
First Claim
Patent Images
1. A power source apparatus comprising:
- a casing;
a plurality of battery modules housed in said casing, each of said battery modules having a plurality of batteries, and each of said batteries having battery end-planes on each end thereof, said batteries in each of said battery modules being connected in a first straight line fashion in series such that the battery end-planes of adjacent batteries are opposed to each other in order to electrically connect the battery terminals, and said battery modules are arranged in a second direction that is substantially perpendicular to the first straight line arrangement of said batteries;
bus-bars connecting said battery modules; and
metal plate output terminals attached at both ends of said battery modules, respectively, wherein each of said output terminals is perpendicular to, and projects from the respective battery end-plane, said output terminals being arranged so as to be substantially parallel to adjacent ones of said output terminals, and said output terminals of adjacent battery modules are connected via said bus-bars, wherein each of said output terminals has an attachment plate which is welded to a battery end-plane, and said attachment plate is oriented so as to be perpendicular to a main part of the output terminal which connects to one of said bus-bars.
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Abstract
A power source apparatus has a plurality of the battery modules housed in a case. The battery modules include a plurality of batteries joined in a straight line fashion. These battery modules are connected via bus-bars. Metal plate output terminals are attached to both ends of a battery module in a manner that is perpendicular to, and projecting from the battery end-planes. The case of the power source apparatus houses the battery modules with adjacent battery module output terminals connected via bus-bars.
30 Citations
20 Claims
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1. A power source apparatus comprising:
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a casing;
a plurality of battery modules housed in said casing, each of said battery modules having a plurality of batteries, and each of said batteries having battery end-planes on each end thereof, said batteries in each of said battery modules being connected in a first straight line fashion in series such that the battery end-planes of adjacent batteries are opposed to each other in order to electrically connect the battery terminals, and said battery modules are arranged in a second direction that is substantially perpendicular to the first straight line arrangement of said batteries;
bus-bars connecting said battery modules; and
metal plate output terminals attached at both ends of said battery modules, respectively, wherein each of said output terminals is perpendicular to, and projects from the respective battery end-plane, said output terminals being arranged so as to be substantially parallel to adjacent ones of said output terminals, and said output terminals of adjacent battery modules are connected via said bus-bars, wherein each of said output terminals has an attachment plate which is welded to a battery end-plane, and said attachment plate is oriented so as to be perpendicular to a main part of the output terminal which connects to one of said bus-bars. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A power source apparatus comprising:
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a casing;
a plurality of battery modules housed in said casing, each of said battery modules having a plurality of batteries, and each of said batteries having battery end-planes on each end thereof, said batteries in each of said battery modules being connected in a first straight line fashion in series such that the battery end-planes of adjacent batteries are opposed to each other in order to electrically connect the battery terminals, and said battery modules are arranged in a second direction that is substantially perpendicular to the first straight line arrangement of said batteries;
bus-bars connecting said battery modules; and
metal plate output terminals attached at both ends of said battery modules, respectively, wherein each of said output terminals is perpendicular to, and projects from the respective battery end-plane, said output terminals being arranged so as to be substantially parallel to adjacent ones of said output terminals, and said output terminals of adjacent battery modules are connected via said bus-bars, wherein each of the battery modules has a plurality of rechargeable batteries, which are circular cylindrical batteries, and wherein press-formed metal sheet connectors are disposed between the rechargeable batteries of each battery module, the connectors are weld-attached to opposing battery end-planes of adjacent rechargeable batteries, and the rechargeable batteries are electrically connected in series.
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9. A power source apparatus comprising:
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a case;
a plurality of battery modules housed in said case, each of said battery modules comprising a plurality of batteries connected in a straight line fashion;
metal plate output terminals attached at both ends of the battery modules perpendicular to, and projecting from battery end-planes; and
bus-bars connecting output terminals of adjacent battery modules, wherein each of said output terminals has an attachment plate that is welded to a battery end-plane, and said attachment plate is oriented so as to be perpendicular to a main part of said output terminal which connects to one of said bus-bars, and wherein said output terminal, which is made up of the attachment plate and the main part, has two metal pieces with right angle bends which are weld-attached together where the two pieces overlap to form two layers at the main part. - View Dependent Claims (10)
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11. A power source apparatus comprising:
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a case;
a plurality of battery modules housed in said case, each of said battery modules comprising a plurality of batteries connected in a straight line fashion;
bus-bars connecting said battery modules;
metal plate output terminals attached at both ends of said battery modules perpendicular to, and projecting from battery end-planes; and
metal plate bus-bars connecting output terminals of adjacent battery modules, wherein each of said output terminals has an attachment plate that is welded to a battery end-plane, and said attachment plate is oriented so as to be perpendicular to a main part of said output terminal which connects to one of said bus-bars, and wherein said output terminal attachment plates that are attached at positive ends said battery modules have a different shape than said output terminal attachment plates attached at negative ends of said battery modules. - View Dependent Claims (12)
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13. A power source apparatus comprising:
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a case;
a plurality of battery modules housed in said case, each of said battery modules comprising a plurality of batteries connected in a straight line fashion;
metal plate output terminals attached at both ends of the battery modules perpendicular to, and projecting from battery end-planes; and
metal plate bus-bars connecting output terminals of adjacent battery modules, wherein each of said output terminals has a through-hole for bolt insertion to connect to one of said bus-bars, the through-hole is a long narrow opening extending in a lengthwise direction of the battery module, and the through-hole allows bus-bar connection while accommodating battery module length variation. - View Dependent Claims (14)
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15. A power source apparatus comprising:
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a case;
a plurality of battery modules housed in said case, each of said battery modules comprising a plurality of batteries connected in a straight line fashion;
metal plate output terminals attached at both ends of the battery modules, said output terminals projecting from battery end-planes so as to be perpendicular thereto; and
metal plate bus-bars connecting said output terminals of adjacent battery modules, wherein said case has bus-bar and output terminal insertion sections, and said battery modules are disposed in fixed positions by fitting said bus-bars and said output terminals into the bus-bar and output terminal insertion sections, respectively, wherein tolerance is provided in the case insertion section to accommodate any error in battery module length. - View Dependent Claims (16, 17, 18, 19, 20)
wherein the output terminal attachment plates that are attached at the positive ends of said battery modules are shaped differently than the output terminal attachment plates that are attached at the negative ends of said battery modules. -
18. A power source apparatus as recited in claim 15, wherein each of said output terminals has a through-hole for bolt insertion to connect to one of said bus-bars, the through-hole being a long narrow opening extending in a lengthwise direction of said respective battery module, wherein the through-hole allows bus-bar connection while accommodating battery module length variation.
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19. A power source apparatus as recited in claim 15, wherein each of said output terminals is provided with a main portion for connecting to one of said bus-bars,
wherein said main portion at one end of each of said battery modules has projections on opposite side edges, and said main portion at the other end of each of said battery modules has indentations on opposite side edges, and wherein the projections and indentations fit into said respective output terminal insertion sections provided in said case. -
20. A power source apparatus as recited in claim 15, wherein at least one of the bus-bar insertion sections is provided with a level change in its bottom to fit the respective bus-bar, which is bent so as to form a level change along its length.
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Specification