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High voltage load management control system and control method for hybrid electric vehicle

A management control and vehicle technology, applied in the automotive field, can solve problems such as the decline of vehicle power, and achieve the effect of ensuring power, comfort, and optimizing high-voltage load management strategies.

Active Publication Date: 2017-04-26
SAIC MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When the discharge power of the power battery is low, the power battery will not be able to provide enough energy to drive the vehicle due to the energy shunt of the air conditioner, resulting in a significant decline in the power of the vehicle.

Method used

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  • High voltage load management control system and control method for hybrid electric vehicle
  • High voltage load management control system and control method for hybrid electric vehicle
  • High voltage load management control system and control method for hybrid electric vehicle

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Embodiment Construction

[0030] Referring to the accompanying drawings, the hybrid vehicle air conditioning management control system and management control method of the present invention will be described below.

[0031] The key to a hybrid vehicle is the vehicle's hybrid powertrain. The performance of the hybrid system is directly related to the vehicle performance of the hybrid vehicle.

[0032] With the development over the years, the hybrid power system assembly has developed from the original discrete structure between the engine and the motor to the integrated structure of the engine motor and the gearbox, that is, it has developed into an integrated hybrid power train system.

[0033] The hybrid powertrain is classified according to the power transmission route, and can be divided into series, parallel, and hybrid.

[0034] figure 1 Schematically shows the energy flow in the purely electric state in . In the pure electric state, the energy of the high-voltage load air conditioner and the ...

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PUM

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Abstract

The invention discloses an air conditioner management control technology of a hybrid electrical vehicle. The technology comprises the following steps: a detecting device detects if a vehicle finishes the high-voltage electrification and detects an SOC value of a vehicle-mounted battery; a judging device judges if the vehicle works in a pure electric working mode, a serial working mode or a parallel working mode and judges the power use conditions of all parts; and a control device executes a power limiting scheme of a vehicle-mounted air conditioner corresponding to the high-voltage-load-free condition, the pure electric working mode, the serial working mode or the parallel working mode. The high-voltage load management control technology of the hybrid electrical vehicle can optimize the high-voltage load management policy to preferentially satisfy the energy needed to drive a motor so as to guarantee the vehicle power, and uses the air conditioner furthest so as to guarantee the vehicle driving comfortableness.

Description

technical field [0001] The invention relates to automobile technology, in particular, the invention relates to the high-voltage load management control technology of a hybrid automobile. Background technique [0002] A hybrid electrical vehicle (HEV) is a vehicle equipped with two power sources at the same time, that is, a thermal power source generated by a traditional gasoline engine or diesel engine, and an electric power source generated by a battery and an electric motor. . [0003] This kind of hybrid electric vehicle, by using the motor on the hybrid electric vehicle, enables the power system to be flexibly adjusted according to the actual operation of the vehicle, while the engine keeps working in the area with the best overall performance, thereby reducing fuel consumption and emissions . [0004] Hybrid vehicles use fuel drive and electric drive. The advantage is that when the vehicle stops after starting, it is only driven by the generator. If it does not reach ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L1/00B60L11/18
CPCY02T10/70
Inventor 沈延冷宏祥邱巍张霏霏孙俊
Owner SAIC MOTOR
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