Heat management device of electric vehicle

Abstract

The invention discloses a heat management device of an electric vehicle in the technical field of electric vehicles. The heat management device comprises a water tank radiator, a cooling fan, a steering valve, a heat reservoir, an adjusting valve, a motor, a control module, a water pump, a compressor, a condenser, a warm air core, an expansion valve and an evaporator, wherein the water pump, the control module, the motor and the adjusting valve are sequentially connected; the adjusting valve, the heat reservoir, the steering valve and the water pump are sequentially connected; the steering valve, the water tank radiator, the condenser and the water pump are sequentially connected; the water tank radiator is connected with the cooling fan; the compressor, the condenser, the expansion valveand the evaporator are sequentially connected to form a loop; and the adjusting valve, the warm air core and the water pump are sequentially connected. The warm air core is increased, the heat dissipated by the control module and the motor is collected and utilized, and the control module, the motor, the warm air core, the water tank radiator, an air-conditioning loop and the like are uniformly thermally managed, so that a cold source and a heat source can be utilized and managed more effectively, the limited fore cabin space can be better utilized, the energy is saved and the environment is protected.

Description

technical field [0001] The invention relates to a device in the technical field of electric vehicles, in particular to a heat management device for an electric vehicle. Background technique [0002] Since the motor is at a high speed for a long time, the thermal effect of the motor of the electric vehicle causes the temperature of the working environment of the motor to rise, resulting in poor working stability. The control module is also one of the core components of electric vehicles. Due to the integration of high-power electronic components, these electronic components generate a lot of heat when they work, making the temperature of their working environment rise. The performance of components will be affected, and it may even be burned. Therefore, the cooling of the control module and the motor has always been a key technical issue of electric vehicles. At present, water cooling is the best method for the cooling system of electric vehicles, but the traditional water ...

AI Technical Summary

Problems solved by technology

At present, water cooling is the best method for the cooling system of electric vehicles, but the traditional water cooling method is to radiate heat directly into the atmosphere without utilizing it, which not only wastes energy, but also pollutes the environment, and the traditional electric vehicle water tank is placed in the At the rear of the condenser, the condenser is cooled by air, resulting in a relatively high air inlet temperature of the radiator, the heat dissipation performance is restricted by the condenser, the heat transfer performance of the condenser and the radiator is relatively low, and the piping system is also complicated and requires more space. In the front cabin space, a reasonable gap must be ensured between the condenser and the radiator of the water tank, resulting in a reduction in space utilization

[0003] After searching the literature of the prior art, it is found that the Chinese invention patent publication number: CN101549637 discloses a cooling system and control method for electric vehicles. The cooling system includes: an electronic water pump, a motor controller, a motor, a radiator, and a fan , expansion water tank and water pipes, the cooling method of this technology is water cooling, although there are more control methods than the traditional ones, it still dissipates heat directly into the atmosphere without utilizing it, which not only wastes energy, but also pollutes the environment

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