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series hybrid vehicle

A series hybrid, motor vehicle technology, applied in hybrid vehicles, motor vehicles, power units, etc., can solve problems such as cost increase

Active Publication Date: 2022-05-24
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the inverter (inverter) that controls the high-output driving motor is also increased in output, which is a major cause of cost increase.

Method used

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Embodiment Construction

[0023] Hereinafter, embodiments of the present disclosure will be described based on the drawings. In addition, the present disclosure is not limited to the embodiments described herein.

[0024] "constitute"

[0025] figure 1 The configuration of the series hybrid vehicle 10 of the present embodiment is shown. The storage battery 12 is a secondary battery such as a lithium-ion battery or a nickel-metal hydride battery, and is a high-output and high-capacity storage battery.

[0026] The first inverter (INV1) 14 and the second inverter (INV2) 16 are electrically connected to the battery 12 . The first inverter 14 and the second inverter 16 convert the DC power from the battery 12 into desired AC power. For example, there are three bridge walls in which two switching elements are arranged between the positive and negative bus bars connected to the positive and negative electrodes of the battery 12, and the switching of the six switching elements is controlled to obtain a th...

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PUM

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Abstract

The present invention relates to series hybrid motor vehicles. A series hybrid vehicle (10) is equipped with an engine (22), a first motor generator (18), and a second motor generator (34). The series hybrid vehicle (10) has: a speed reducer (20) as a first power transmission mechanism connecting the engine (22) and the first motor generator (18), connecting the first motor generator (18) and the vehicle drive A speed reducer (26) as a second power transmission mechanism of the shaft (28), a clutch (24) switchably engaging either one of the first motor generator (18) and the speed reducer (20, 26), and switching gear A transmission (36) that proportionally engages a second motor generator (34) and a vehicle drive shaft (28).

Description

technical field [0001] The present disclosure relates to a series hybrid vehicle that can be driven in various driving modes. Background technique [0002] As hybrid vehicles, series hybrid vehicles and parallel hybrid vehicles are known. The series hybrid vehicle uses the engine only when generating electricity, and the parallel hybrid vehicle also uses the driving force of the engine when running. [0003] In the series hybrid vehicle, since the driving force of the engine is not directly used for running, the running mode is limited compared to the parallel hybrid vehicle. [0004] Patent Document 1 shows that power generation control is performed so that the target SOC value of the secondary battery of the series hybrid vehicle becomes a higher value during high-speed running than during low-speed running. This makes it possible to obtain a sufficient driving force even during high-speed running from the viewpoint of securing the energy for running even under a continu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60K6/26B60K6/36B60K6/38B60K6/42
CPCB60L50/61B60K6/442B60K6/387B60K6/547B60K2006/4841Y02T10/62Y02T10/72Y02T10/70B60W30/182B60K6/46B60W10/02B60W10/08B60W20/40
Inventor 伊藤嘉昭相木宏介早川喜三郎山口裕之稻垣英人冈村贤树
Owner TOYOTA JIDOSHA KK