Hybrid drive system of heavy vehicle

A hybrid drive and heavy-duty vehicle technology, which is applied in the fields of drive systems, hybrid drive systems, and vehicle hybrid drive systems, and can solve problems such as not being able to meet the high power requirements of heavy-duty vehicles

Active Publication Date: 2012-02-22
SHANGHAI ZHONGKE SHENJIANG ELECTRIC VEHICLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above-mentioned hybrid drive system cannot meet the high dyn

Method used

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  • Hybrid drive system of heavy vehicle
  • Hybrid drive system of heavy vehicle
  • Hybrid drive system of heavy vehicle

Examples

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Embodiment Construction

[0025] In order to understand the technical content of the present invention more clearly, the following examples are given in detail. It should be understood that the examples are only used to illustrate the present invention, not to limit the present invention.

[0026] figure 1is a system block diagram of the hybrid drive system according to the embodiment of the present invention. refer to figure 1 , the hybrid drive system includes: engine 1, which includes crankshaft 1a; pump wheel clutch 67; pump wheel brake 68; hydraulic torque converter 20, which includes pump wheel 2, turbine wheel 3, guide wheel 4, guide wheel one-way clutch 5 and lock-up clutch 6; Planet row 30, it comprises sun gear 31, planet carrier 32, ring gear 33 and planet gear 34; Planet carrier clutch 7; Planet carrier brake 8; Drive motor 9, it comprises rotor shaft 9a; Drive motor A controller 10 ; an electrical storage device 11 .

[0027] Heavy-duty vehicles such as conventional 12m urban buses mos...

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PUM

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Abstract

The invention provides a hybrid drive system of a heavy vehicle, which comprises a motor, a hydraulic torque converter, a pump wheel clutch, a pump wheel brake, a planetary row, a planetary carrier clutch, a planetary carrier brake and a drive motor, wherein the motor comprises a crank; the crank is connected with a pump wheel through the pump wheel clutch; the pump wheel brake is arranged to be used for braking the pump wheel; a sun wheel of the planetary row is connected with a worm wheel; a planetary carrier of the planetary row is connected with a gear ring of the planetary row through the planetary carrier clutch; the planetary carrier brake is arranged to be used for braking the planetary carrier; and a rotor shaft of the drive motor is connected with the gear ring. The hybrid drive system provides a larger output torque when a vehicle is started for accelerating or climbing, reduces the requirement on a drive motor system and an electrical storage device, provides a larger brake torque during braking when climbing a long slope under the situation that the hydraulic torque converter works under a reversal brake working condition so as to avoid the brake overheating and reduce the abrasion of the brake, and meets the requirement on high dynamic property of the heavy vehicle.

Description

technical field [0001] The present invention relates to the technical field of drive systems, in particular to the technical field of hybrid drive systems for vehicles, and in particular to a hybrid drive system for heavy vehicles. Background technique [0002] In recent years, heavy vehicles such as city buses with hybrid drive systems have been increasingly used. A hybrid drive system used on a heavy-duty vehicle that is primarily used as a production tool must have high dynamics to increase the vehicle's production efficiency and be able to use it on a variety of terrains, for example, It is used in mountainous cities with long and steep slopes. Specifically, high standoff acceleration and gradeability (including maximum gradeability and sustained gradeability) are basic requirements for hybrid drive systems of heavy vehicles. [0003] For example, Chinese patent 200720006546.3 discloses a hybrid electric vehicle. The hybrid drive system used includes an engine, a main ...

Claims

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Application Information

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IPC IPC(8): B60K6/365F16H47/08
Inventor 夏承钢孙江明李川
Owner SHANGHAI ZHONGKE SHENJIANG ELECTRIC VEHICLE
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