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Cab heating system, control method thereof and vehicle heat management system

A technology of thermal management system and heating system, applied in the field of fuel cell vehicles, can solve the problem of excessive energy consumption for cab heating and the like

Pending Publication Date: 2022-01-18
FAW JIEFANG AUTOMOTIVE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Based on this, it is necessary to address the problem of excessive cab heating energy consumption in the prior art, and provide a cab heating system that reduces cab heating energy consumption, its control method, and a vehicle thermal management system.

Method used

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  • Cab heating system, control method thereof and vehicle heat management system
  • Cab heating system, control method thereof and vehicle heat management system
  • Cab heating system, control method thereof and vehicle heat management system

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Embodiment Construction

[0036] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "...

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Abstract

The invention relates to a cab heating system, a control method thereof and a vehicle heat management system. The cab heating system comprises a cab heating assembly, a heat exchange assembly, a temperature sensor and a control unit. The heat exchange assembly comprises a first branch and a first valve, the first branch is connected to a cooling liquid outlet and a cooling liquid inlet of the fuel cell heat management system, the first valve controls on-off of the first branch, and the heat exchanger is connected into the first branch and the cab heating loop. The control unit controls the heating element and the first valve according to the liquid temperature value, detected by the temperature sensor, of the cooling liquid. When the cab heating system is in the first state, the first valve is opened, the cooling liquid in the first branch and the heat exchange medium in the cab heating loop are subjected to heat exchange through the heat exchanger, heat of the cooling liquid is used for supplying heat to a cab, the heating element stops heating at the moment, and the working time of the heating element is shortened; the heating energy consumption of the cab is reduced.

Description

technical field [0001] The present application relates to the technical field of fuel cell vehicles, in particular to a cab heating system and its control method, and a vehicle thermal management system. Background technique [0002] With the development of new energy technology, fuel cell vehicles have broad application prospects due to their advantages of less pollution and high combustion efficiency. Fuel cell vehicles convert the chemical energy of fuel into electrical energy, use the electrical energy to drive the electric motor to work, and then the electric motor drives the mechanical structure in the car to drive the car forward. [0003] However, since fuel cell vehicles do not have a traditional engine heat source, the heating system of the cab is usually heated by a PTC (Positive Temperature Coefficient, positive temperature coefficient thermistor) heater alone, and there is a problem that the heating system of the cab consumes a lot of energy. Contents of the i...

Claims

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Application Information

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IPC IPC(8): B60H1/14B60H1/00
CPCB60H1/143B60H1/00392
Inventor 杨国瑞史广峰顾宏伟高铁石赵强裴廷帅于小峰张锋
Owner FAW JIEFANG AUTOMOTIVE CO
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