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A vehicle and vehicle driving technology, which is applied in the field of vehicles, can solve problems such as secondary battery protection that have not been studied, and achieve the effect of improving commodity value

Active Publication Date: 2017-04-05
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the technologies described in Patent Documents 1 and 2, there is no study on whether to protect a certain secondary battery or not.

Method used

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Examples

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Embodiment 1

[0044] use figure 1 , to illustrate the battery system in this embodiment. figure 1 It is a schematic diagram showing the structure of the battery system. The battery system of this embodiment is mounted on a vehicle. exist figure 1 In , connections shown by solid lines represent electrical connections, and connections shown by dotted lines represent mechanical connections.

[0045] The battery system has a high-power assembled battery 10 and a high-capacity assembled battery 20 electrically connected in parallel. High-power assembled battery 10 is connected to inverter 31 via system main relays SMR-B1 and SMR-G1. In addition, high-capacity assembled battery 20 is connected to inverter 31 via system main relays SMR-B2 and SMR-G2. Inverter 31 converts DC power supplied from battery packs 10 and 20 into AC power.

[0046] A motor generator 32 (AC motor) is connected to the inverter 31 , and the motor generator 32 receives AC power supplied from the inverter 31 and generate...

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Abstract

The present invention provides a vehicle in which a high-power assembled battery and a large-capacity assembled battery are arranged at optimum positions of the vehicle. The vehicle includes: an electric motor as a driving source for driving the vehicle; The batteries are housed in different casings and configured separately. A high-power battery pack and a large-capacity battery pack are arranged around the trunk at the rear of the vehicle. A high-power battery pack can be charged and discharged at a higher current than a high-capacity battery pack. A large capacity type battery pack has a larger energy capacity than a high output type battery pack. In addition, the high-capacity assembled battery is disposed above or below the high-power assembled battery in the vehicle, and at least a part of the high-capacity assembled battery protrudes rearward compared to the high-power assembled battery.

Description

technical field [0001] The invention relates to vehicles having multiple battery packs with different characteristics. Background technique [0002] Patent Document 1 describes a structure in which the secondary battery is arranged above the capacitor and a structure in which the capacitor is arranged above the secondary battery in a vehicle including a capacitor and a secondary battery. Patent Document 2 describes a structure in which batteries are placed in luggage. [0003] Patent Document 1: JP-A-2007-311290 [0004] Patent Document 2: JP-A-2007-008443 [0005] When two secondary batteries having different characteristics are arranged around the trunk, when an external force is applied to the trunk due to a vehicle collision, the two secondary batteries having different characteristics may also receive an external force. If the two secondary batteries are subjected to external force, there is a possibility that the two secondary batteries cannot be used. [0006] Her...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K1/04B60K6/28B60K6/40B60L11/18H01M2/10B60L50/16B60L50/64
CPCB60K1/04B60K6/28B60K2001/0416B60Y2400/114H01M16/00H01M2220/20B60L1/02B60L3/0007B60L7/14B60L2210/40B60L2240/545B60L2240/549Y02T10/70B60L50/40B60L50/16B60L58/21B60L58/26B60L58/27B60L50/66Y02T10/62Y02T10/72Y02T10/7072Y02E60/10H01M50/249B60L50/64
Inventor 木村健治佐藤彰洋
Owner TOYOTA JIDOSHA KK
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