Unlock instant, AI-driven research and patent intelligence for your innovation.

Vehicle thermal management systems, drives and electric vehicles

A heat management system and drive device technology, applied in electric vehicles, power devices, electric power devices, etc., can solve the problems of large size and high cost, and achieve the effects of small size, space saving, electronic components and circuit usage

Active Publication Date: 2022-04-12
HUAWEI TECH CO LTD
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Currently, thermal management systems for electric vehicles are costly and bulky

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Vehicle thermal management systems, drives and electric vehicles
  • Vehicle thermal management systems, drives and electric vehicles
  • Vehicle thermal management systems, drives and electric vehicles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0060] The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings.

[0061] Generally speaking, batteries of electric vehicles (such as power batteries) need to work within a suitable temperature range. If the temperature of the battery is too high, it will not only affect the life of the battery, but may also cause safety risks. If the temperature of the battery is too low, the available capacity of the battery may be greatly reduced, limiting the performance of the battery. Therefore, when the battery is working, it is necessary to maintain the temperature of the battery within a certain range. In addition, unlike traditional fuel vehicles that can use engine cooling water to heat the passenger compartment, electric vehicles need to use battery power to heat the passenger compartment and other components.

[0062] In view of the above reasons, compared with the thermal management system of tradi...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present application relates to the field of electric vehicles, in particular to a vehicle thermal management system, a driving device and an electric vehicle. Wherein, the thermal management system includes: a motor for driving the air conditioner compressor to work, N resistor branches, and a driver for driving the motor and the resistors on the N resistor branches. The driver includes a control circuit and an inverter circuit. Wherein, the control circuit is used to control the inverter circuit to output alternating current to the motor to drive the motor to rotate. The control circuit is also used to control the inverter circuit to output current to the N resistance branches, so that the resistances on the N resistance branches generate heat. As a result, the motor and the heating resistor are driven by a single driver, and while reducing the cost of the thermal management system, the space of the thermal management system can also be saved.

Description

technical field [0001] The present application relates to the field of electric vehicles, in particular to a vehicle thermal management system, a driving device and an electric vehicle. Background technique [0002] For the comfort of the car, the safety of the car itself, and the related performance of the car, it is necessary to use the thermal management system (thermal management system, TMS) to control the passenger compartment and drive system of the car (for example, the engine of a traditional fuel car, the engine of an electric car, etc.) The battery, etc.) and other components for temperature control. Therefore, the thermal management system is an important system of the car. [0003] Especially for electric vehicles, the thermal management system is more important and more demanding. Generally, the thermal management system of an electric vehicle needs to provide the battery (for example, the power battery of the electric vehicle), the electric drive unit (for e...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B60H1/00B60H1/32B60K1/00B60L58/27H01M10/615H01M10/625H01M10/657
CPCB60H1/00392B60K1/00B60L58/27H01M10/615H01M10/625H01M10/657B60K2001/008Y02T10/72Y02E60/10B60L1/02B60L1/003B60L2240/34B60L58/26B60L2240/429B60L2240/549H05B1/0236
Inventor 黄鑫张智敏任鑫胡浩茫
Owner HUAWEI TECH CO LTD