阅读说明：本技术 一种温控系统、温控方法及车辆 (Temperature control system, temperature control method and vehicle ) 是由 王健刚 杨少波 陈君 李泉明 于 2020-03-30 设计创作，主要内容包括：一种温控系统,包括：第一冷却回路(14),第一冷却回路中流通有第一冷却介质,第一冷却回路用于对第一结构单元(11)进行冷却；第二冷却回路(15),第二冷却回路中流通有第二冷却介质,第二冷却回路用于对第二结构单元(12,13)进行冷却；换热器(16),分别与第一冷却回路和第二冷却回路联通,用于对第一冷却介质和第二冷却介质之间进行热交换。第一冷却回路中包括有旁通支路(141),旁通支路与换热器并联连接。该温控系统提高了对逆变器的散热效率以及对动力总成的总体散热能力。(A temperature control system, comprising: a first cooling circuit (14) through which a first cooling medium flows, the first cooling circuit being used for cooling the first structural unit (11); a second cooling circuit (15) through which a second cooling medium flows, for cooling the second structural unit (12, 13); and the heat exchanger (16) is respectively communicated with the first cooling circuit and the second cooling circuit and is used for exchanging heat between the first cooling medium and the second cooling medium. The first cooling loop comprises a bypass branch (141) which is connected with the heat exchanger in parallel. The temperature control system improves the heat dissipation efficiency of the inverter and the overall heat dissipation capacity of the power assembly.)

A temperature control system, comprising:

a first cooling circuit through which a first cooling medium flows, the first cooling circuit being configured to cool a first structural unit;

a second cooling circuit through which a second cooling medium flows, the second cooling circuit being configured to cool a second structural unit;

the heat exchanger is respectively communicated with the first cooling circuit and the second cooling circuit and is used for exchanging heat between the first cooling medium and the second cooling medium;

the first cooling loop is characterized by comprising a bypass branch, and the bypass branch is connected with the heat exchanger in parallel.

The temperature control system according to claim 1, wherein a valve is provided in the first cooling circuit, the valve being connected to the bypass branch for controlling a flow distribution of the first cooling medium from a position corresponding to the first structural unit to the heat exchanger and the bypass branch.

The temperature control system according to claim 2, wherein the first structural unit is an inverter in an electric vehicle, the valve is a controllable valve, and the valve is controlled to: increasing the percentage of the flow of the first cooling medium to the bypass branch during or when the heating power of the inverter is to be increased.

The temperature control system according to claim 2 or 3, wherein the first structural unit is an inverter in an electric vehicle, and the valve is controlled to reduce a percentage of a flow rate of the first cooling medium to the bypass branch after a reduction in heating power of the inverter.

The temperature control system according to claim 3 or 4, wherein the valve is controlled to: when the electric automobile is about to reach a first preset working condition, the flow rate percentage of the first cooling medium flowing to the bypass branch is increased to a first percentage.

The temperature control system of claim 5, wherein the valve is controlled to: when the electric automobile is about to reach a second preset working condition, the flow percentage of the first cooling medium flowing to the bypass branch is increased to a second percentage, wherein the heating power of the inverter corresponding to the first preset working condition is larger than the heating power of the inverter corresponding to the second preset working condition, and the first percentage is larger than the second percentage.

The temperature control system according to claim 5 or 6, wherein the valve is controlled to: after the electric automobile reaches a third preset working condition, the flow rate percentage of the first cooling medium flowing to the bypass branch is reduced to a third percentage.

The temperature control system of claim 7, wherein the first predetermined operating condition, the second predetermined operating condition, and the third predetermined operating condition are each determined based on any one or more of: motor torque, motor speed, motor power, motor heating power, motor stator current, inverter temperature, inverter heating power, and motor temperature.

The temperature control system of any one of claims 2-8, wherein the valve is a two-way valve or a three-way valve.

A temperature control method, performed based on the temperature control system according to any one of claims 3-8, comprising:

determining a change in heating power of the inverter that is about to occur;

in the case where it is determined that the heat generation power of the inverter is to be increased, the valve is controlled so as to increase the percentage of the flow of the first cooling medium to the bypass branch during or before the increase in the heat generation power of the inverter.

The method of claim 10, further comprising, in the case where it is determined that the heating power of the inverter is to be reduced, controlling the valve so that the percentage of the flow of the first cooling medium to the bypass branch is reduced after the heating power of the inverter is reduced.

The method of claim 11, wherein controlling the valve during or before the increase in the heating power of the inverter such that the percentage of flow of the first cooling medium to the bypass branch is increased comprises: before the electric automobile reaches a first preset working condition, the valve is controlled so that the flow rate percentage of the first cooling medium flowing to the bypass branch is increased to a first percentage.

The temperature control system according to claim 12, wherein controlling the valve so that the percentage of the flow of the first cooling medium to the bypass branch is increased during or before the increase in the heating power of the inverter further comprises: before the electric automobile reaches a second preset working condition, controlling the valve to increase the flow percentage of the first cooling medium flowing to the bypass branch to a second percentage, wherein the heating power of the inverter corresponding to the first preset working condition is larger than that of the inverter corresponding to the second preset working condition, and the first percentage is larger than the second percentage.

The temperature control system according to claim 12 or 13, wherein controlling the valve so that the percentage of the flow of the first cooling medium to the bypass branch is reduced after the reduction of the heating power of the inverter comprises: after the electric automobile reaches a third preset working condition, the valve is controlled so that the flow rate percentage of the first cooling medium flowing to the bypass branch is reduced to a third percentage.

A chip comprising a processor and interface circuitry, the interface circuitry being coupled to the processor, the processor being configured to execute a computer program or instructions to implement a temperature control method as claimed in any one of claims 10 to 14.

A vehicle comprising a temperature control system according to any of the preceding claims 1-9, wherein the first structural unit is in particular an inverter in the vehicle and the second structural unit is in particular an electric motor in the vehicle.