Power storage apparatus

• US 20090256525A1
• Filed: 04/24/2006
• Published: 10/15/2009
• Est. Priority Date: 04/24/2006
• Status: Active Grant

• Current Assignee: Nexgen Control Systems LLC
• Original Assignee: Mitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
• Inventors: Kitanaka, Hidetoshi
• Granted Patent: US 7,667,430 B2
• Time in Patent Office: Days
• US Class Current: 320/134
• CPC Class Codes: B60L 2200/26 Rail vehicles
• CPC Class Codes: B60L 3/0046 relating to electric energy storage systems, e.g. batteries or capacitors
• CPC Class Codes: B60L 3/0069 relating to the isolation, e.g. ground fault or leak current
• CPC Class Codes: B60L 50/64 Constructional details of batteries specially adapted for electric vehicles
• CPC Class Codes: B60L 58/18 of two or more battery modules
• CPC Class Codes: B60L 58/26 by cooling
• CPC Class Codes: H01M 10/4207 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: H01M 10/441 for several batteries or cells simultaneously or sequentially
• CPC Class Codes: Y02E 60/10 Energy storage using batteries
• CPC Class Codes: Y02T 10/70 Energy storage systems for electromobility, e.g. batteries

Abstract

A power storage apparatus mounted with a plurality of connected power storage modules and capable of charging or discharging an electric power, and in which a housing is partitioned by a partition plate to be divided into a power storage area and a control device area; in the power storage area, an opening is formed, and the power storage modules are contained; in the control device area, an opening is formed, and a switching protective device section to switch and protect the power storage modules is contained; a main circuit wiring from the power storage modules is led out of the control device area via the switching protective device section; the opening of the power storage area is covered with a detachable cover; and the opening of the control device area is covered with a detachable cover independent of the cover of the opening of the power storage area.

Claims

1. A power storage apparatus in which a plurality of connected power storage modules is mounted, and which can charge or discharge an electric power:

wherein a housing is partitioned by a partition plate to be divided into a power storage area and a control device area;

in said power storage area, an opening is formed, and said power storage modules are contained;

in said control device area, an opening is formed, and a switching protective device section acting to switch and protect said power storage modules is contained;

a main circuit wiring from said power storage modules for charging or discharging an electric power is led out of said control device area via said switching protective device section;

the opening of said power storage area is covered with a detachable cover;

the opening of said control device area is covered with a detachable cover independent of said cover of the opening of said power storage area;

said power storage modules are mounted on pallets provided in said power storage area in such a way as to form a plurality of stages;

said pallets are held by guide rails fixed in said power storage area; and

when said cover of the opening of said power storage area is removed, said pallets on which said power storage modules are mounted can be pulled out of said power storage area, by being slid along said guide rails.

3. The power storage apparatus according to claim 1, wherein said power storage modules are mounted on a pallet located in said power storage area at a plurality of levels, each pallet is held with a guide rail fixed at said power storage area;

and each pallet on which each of said power storage modules is mounted is made to slide along said guide rail to be capable of being pulled out of said power storage area when said cover of the opening of said power storage area is removed.

4. The power storage apparatus according to claim 3, wherein under each said pallet, there is provided an insulating plate functioning to prevent an electrolyte leaked out of said power storage modules from passing through;

each said insulating plate is held by a guide rail fixed at said power storage area; and

each said insulating plate is made to slide along said guide rail to be capable of being pulled out of said power storage area when said cover of the opening of said power storage area is removed.

20. The power storage apparatus according to claim 1, wherein a cooling air can come and go through said cover, and there is provided an air blower at the backside of said housing.

2. A power storage apparatus in which a plurality of connected power storage modules is mounted, and which can charge or discharge an electric power:

wherein a housing is partitioned by a partition plate to be divided into a power storage area and a control device area;

in said power storage area, an opening is formed, and said power storage modules are contained;

in said control device area, an opening is formed, and a switching protective device section acting to switch and protect said power storage modules and a control section acting to control said switching protective device section are contained;

a main circuit wiring from said power storage modules for charging or discharging an electric power is led out of said control device area via said switching protective device section;

said control section is connected to said switching protective device section through a control circuit wiring;

said control section controls switching of said switching protective device section;

the opening of said power storage area is covered with a detachable cover; and

the opening of said control device area is covered with a detachable cover independent of said cover of the opening of said power storage area;

said power storage modules are mounted on pallets provided in said power storage area in such a way as to form a plurality of stages;

said pallets are held by guide rails fixed in said power storage area; and

when said cover of the opening of said power storage area is removed, said pallets on which said power storage modules are mounted can be pulled out of said power storage area, by being slid along said guide rails.

12. The power storage apparatus according to claim 2, wherein said power storage modules are mounted on a pallet located in said power storage area at a plurality of levels;

each pallet is held with a guide rail fixed at said power storage area; and

each pallet on which each of said power storage modules is mounted is made to slide along said guide rail to be capable of being pulled out of said power storage area when said cover of the opening of said power storage area is removed.

13. The power storage apparatus according to claim 12, wherein under each said pallet, there is provided an insulating plate functioning to prevent an electrolyte leaked out of said power storage modules from passing through;

each said insulating plate is held by a guide rail fixed at said power storage area; and

each said insulating plate is made to slide along said guide rail to be capable of being pulled out of said power storage area when said cover of the opening of said power storage area is removed.

18. The power storage apparatus according to claim 2, wherein said main circuit wiring and said control circuit wiring are fixed individually to an internal part of said housing with the use of different fixing members.

19. The power storage apparatus according to claim 2, wherein said main circuit wiring and said control circuit wiring are made to pass through said partition plate with the use of different lead-through members.

23. The power storage apparatus according to claim 2, wherein a cooling air can come and go through said cover, and there is provided an air blower at the backside of said housing.

5-11. -11. (canceled)

14. A power storage apparatus in which a plurality of connected power storage modules is mounted, and which can charge or discharge an electric power,

wherein a housing is partitioned by a partition plate to be divided into a power storage area and a control device area;

in said power storage area, an opening is formed, and said power storage modules are contained;

in said control device area, an opening is formed, and a switching protective device section acting to switch and protect said power storage modules is contained;

a main circuit wiring from said power storage modules for charging or discharging electric power is led out of said control device area via said switching protective device section;

the opening of said power storage area is covered with a detachable cover;

the opening of said control device area is covered with a detachable cover independent of said cover of the opening of said power storage area; and

said power storage modules are disposed to laminate in such order that a power storage module, of the highest earth potential is positioned at the upper portion of said power storage area, and a power storage module of the lowest earth potential is positioned at the lower portion of said power storage area.

24. The power storage apparatus according to claim 14, wherein a cooling air can come and go through said cover, and there is provided an air blower at the backside of said housing.

15. A power storage apparatus in which a plurality of connected power storage modules is mounted, and which can charge or discharge electric power,

wherein a housing is partitioned by a partition plate to be divided into a power storage area and a control device area;

in said power storage area, an opening is formed, and said power storage modules are contained in a stage by stage manner;

in said control device area, an opening is formed, and a switching protective device section acting to switch and protect said power storage modules is contained;

a main circuit wiring from said power storage modules for charging or discharging electric power is led out of said control device area via said switching protective device section;

the opening of said power storage area is covered with a detachable cover;

the opening of said control device area is covered with a detachable cover independent of said cover of the opening of said power storage area; and

the lower end of said opening provided at the side surface of said housing is positioned higher than the bottom of said housing.

25. The power storage apparatus according to claim 15, wherein a cooling air can come and go through said cover, and there is provided an air blower at the backside of said housing.

16. A power storage apparatus in which a plurality of connected power storage modules is mounted, and which can charge or discharge electric power,

wherein a housing is partitioned by a partition plate to be divided into a power storage area and a control device area;

in said power storage area, an opening is formed, and said power storage modules are contained in a state by stage manner;

in said control device area, an opening is formed, and a switching protective device section acting to switch and protect said power storage modules and a control section acting to control said switching protective device section are contained;

a main circuit wiring from said power storage modules for charging or discharging electric power is led out of said control device area via said switching protective device section;

said control section is connected to said switching protective device section through a control circuit wiring;

said control section switches and controls said switching protective device section;

the opening of said power storage area is covered with a detachable cover;

the opening of said control device area is covered with a detachable cover independent of said cover of the opening of said power storage area; and

said switching protective device section and said control section are disposed at positions higher than the lower end of said opening provided at the side surface of said housing.

21. The power storage apparatus according to claim 16, wherein said main circuit wiring and said control circuit wiring are fixed individually to an internal part of said housing with the use of different fixing members.

22. The power storage apparatus according to claim 16, wherein said main circuit wiring and said control circuit wiring are made to pass through said partition plate with the use of different lead-through members.

26. The power storage apparatus according to claim 16, wherein a cooling air can come and go through said cover and there is provided an air blower at the backside of said housing.

17. A power storage apparatus in which a plurality of connected power storage modules is mounted, and which can charge or discharge electric power,

wherein a housing is partitioned by a partition plate to be divided into a power storage area and a control device area;

in said power storage area, an opening is formed, and said power storage modules are contained in a stage by stage manner;

in said control device area, an opening is formed, and a switching protective device section acting to switch and protect said power storage modules is contained;

a main circuit wiring from said power storage modules for charging or discharging electric power is led out of said control device area via said switching protective device section;

the opening of said power storage area is covered with a detachable cover,

the opening of said control device area is covered with a detachable cover independent of said cover of the opening of said power storage area; and

the position of said main circuit wiring led out of said control device area is higher than the lower end of said opening provided at the side surface of said housing.

27. The power storage apparatus according to claim 17, wherein a cooling air can come and go through said cover, and there is provided an air blower at the backside of said housing.