CN217672143U - Integrated thermal management system of electric automobile - Google Patents

Abstract

The embodiment of the application provides an integrated heat management system of an electric automobile, and relates to the technical field of heat management. The integrated thermal management system of the electric automobile comprises an electric drive thermal management loop mechanism, a battery thermal management loop mechanism, a warm air loop mechanism and a multi-way valve mechanism; the electric drive heat management loop mechanism comprises an electric drive mechanism, an electric drive water pump and an electric drive mechanism radiator, wherein the electric drive mechanism, the electric drive water pump and the electric drive mechanism radiator are connected in series at a first control port of the multi-way valve mechanism; the battery heat management loop mechanism comprises a battery water pump and a power battery, and the battery water pump and the power battery are connected in series with a second control port of the multi-way valve mechanism; the warm air loop mechanism comprises a warm air water pump, a warm air heating PTC mechanism, a heat exchanger and an electric control three-way valve, and the warm air water pump, the warm air heating PTC mechanism, the electric control three-way valve and the heat exchanger are connected in series at a third control port of the multi-way valve mechanism. The system can achieve the technical effect of improving the reliability and energy utilization rate of thermal management.

Description

Integrated thermal management system of electric automobile

Technical Field

The application relates to the technical field of heat management, in particular to an integrated heat management system of an electric automobile.

Background

In recent years, new energy automobiles in China enter a rapid development era, particularly pure electric automobiles have the permeability of 20% in the new energy market, but with the policy pressure of the energy 'double-carbon' target, the energy consumption target of the electric automobiles becomes more severe, and the research of more efficient heat management technology of the whole automobile becomes more necessary.

In the prior art, parts such as the electric drive, the battery and the power supply of the electric automobile generally need thermal management control, wherein the electric drive and the power supply mainly dissipate heat, the power battery has the existing heat dissipation and heating requirements, and the difference of the two requirements leads to the complexity of overall thermal management overall control of the whole automobile. How to comprehensively consider the heat management of the electric drive, the battery and the air conditioner to integrally improve the energy efficiency, especially the waste heat utilization of the electric drive system, is a research hotspot of the current heat management technology. The coupling design of the current thermal management system makes a cooling loop become complex, and the filling and emptying of cooling liquid are complex and troublesome when the cooling loop is used; the filling and emptying of the cooling liquid are not considered, and application limitation is brought to a certain extent.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide an integrated thermal management system and a liquid filling method for an electric vehicle, which can achieve the technical effects of improving the reliability of thermal management and the energy utilization rate.

In a first aspect, an embodiment of the present application provides an integrated thermal management system for an electric vehicle, including an electric drive thermal management loop mechanism, a battery thermal management loop mechanism, a warm air loop mechanism, and a multi-way valve mechanism;

the electric drive heat management loop mechanism comprises an electric drive mechanism, an electric drive water pump and an electric drive mechanism radiator, wherein the electric drive mechanism, the electric drive water pump and the electric drive mechanism radiator are connected in series at a first control port of the multi-way valve mechanism;

the battery heat management loop mechanism comprises a battery water pump and a power battery, and the battery water pump and the power battery are connected in series with a second control port of the multi-way valve mechanism;

the warm air loop mechanism comprises a warm air water pump, a warm air heating PTC mechanism, a heat exchanger and an electric control three-way valve, and the warm air water pump, the warm air heating PTC mechanism, the electric control three-way valve and the heat exchanger are connected in series at a third control port of the multi-way valve mechanism.

In the implementation process, the integrated thermal management system of the electric automobile adopts the integrated design of the multi-way valve mechanism, namely, the multi-way valve is integrated with the electric driving thermal management loop mechanism, the battery thermal management loop mechanism and the warm air loop mechanism, so that the structure of the common scheme is simplified, and the reliability is improved; the passage path of the multi-way valve mechanism is adjusted, a flexible control method can be adopted according to the environment temperature and the working condition of the whole vehicle, flexible switching of various heat management control modes is realized, the system is suitable for low-temperature working conditions, high-temperature working conditions, normal-temperature working conditions, parking quick charge/full charge and the like, the waste heat of an electric drive system is fully utilized, the capacities of the systems can be complemented, the energy utilization rate of the heat management system is effectively improved, and the endurance mileage of the whole vehicle is obviously improved; therefore, the integrated thermal management system of the electric automobile can achieve the technical effects of reliability of thermal management and energy utilization rate.

Further, first control port includes first control interface and second control interface, first control interface the electricity drive the water pump electricity drive the mechanism the electricity drive the mechanism radiator the second control interface connects gradually.

Further, the first control port further includes a third control interface connected between the electric drive mechanism and the electric drive mechanism heat sink.

Further, the second control port comprises a fourth control interface and a fifth control interface, and the fourth control interface, the battery water pump, the power battery and the fifth control interface are sequentially connected.

Further, the third control port comprises a sixth control interface and a seventh control interface, and the sixth control interface, the warm air water pump, the warm air heating PTC mechanism, the electric control three-way valve, the heat exchanger and the seventh control interface are connected in sequence.

Further, the electric control three-way valve is connected with the sixth control interface.

Further, the system also comprises an air conditioning mechanism which is coupled with the heat exchanger.

Further, the system is characterized in that the system controls the on-off of each control port of the multi-way valve mechanism, and the circulation mode of the system comprises the following steps:

the electric drive heat management loop mechanism is in an independent internal circulation mode, and the battery heat management loop mechanism and the warm air loop mechanism are connected in series to form a large circulation mode;

the second circulation mode is that the electric drive heat management loop mechanism, the battery heat management loop mechanism and the warm air loop mechanism are in independent internal circulation modes;

in the third circulation mode, the battery thermal management loop mechanism is in an independent internal circulation mode, and the electric drive thermal management loop mechanism and the warm air loop mechanism are connected in series to form a large circulation mode;

and in a fourth circulation mode, the electrically-driven heat management loop mechanism, the battery heat management loop mechanism and the warm air loop mechanism are connected in series to form a large circulation mode.

In a second aspect, an embodiment of the present application provides a liquid filling method, which is applied to the integrated thermal management system of an electric vehicle described in any one of the first aspects, where the method includes:

controlling the integrated thermal management system to enter a preset control mode or enter a diagnosis mode;

controlling the integrated thermal management system to enter a filling process;

controlling the multi-way valve mechanism to traverse a plurality of circulation modes, and executing the following processing on the traversed circulation modes: controlling the rotating speeds of the electric drive water pump, the battery water pump and the warm air water pump to be preset rotating speeds and continuously operating for preset time; judging whether the electric drive water pump, the battery water pump and the warm air water pump have dry rotation faults or not, and if yes, carrying out evacuation treatment on the integrated thermal management system; if not, processing the next circulation mode; and completing traversal and generating filling result information.

Further, before the step of controlling the rotation speeds of the electric-driven water pump, the battery water pump and the warm air water pump to be preset rotation speeds and continuously operating for a preset time, the method further comprises:

and controlling the position of the electric control three-way valve to be a preset opening degree.

Additional features and advantages of the disclosure will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the above-described techniques.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of an integrated thermal management system of an electric vehicle according to an embodiment of the present application;

FIG. 2 is a schematic illustration of a first cycle mode path provided by an embodiment of the present application;

FIG. 3 is a schematic illustration of another first cycle mode path provided by an embodiment of the present application;

FIG. 4 is a schematic illustration of a second cycle mode path provided by an embodiment of the present application;

FIG. 5 is a schematic illustration of a third cycle mode of the present application according to an embodiment of the present application;

FIG. 6 is a schematic diagram of a fourth cycle mode of the present application;

FIG. 7 is a schematic illustration of a fourth cycle mode of the path according to an embodiment of the present application;

fig. 8 is a schematic flow chart of a liquid filling method according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Moreover, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific type and configuration may or may not be the same), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

The embodiment of the application provides an integrated heat management system and a liquid filling method of an electric automobile, which can be applied to the whole automobile heat management process of the electric automobile; the integrated thermal management system of the electric automobile adopts the integrated design of the multi-way valve mechanism, namely, the multi-way valve integrates the electric drive thermal management loop mechanism, the battery thermal management loop mechanism and the warm air loop mechanism, so that the structure of the common scheme is simplified, and the reliability is improved; the passage path of the multi-way valve mechanism is adjusted, a flexible control method can be adopted according to the environment temperature and the working condition of the whole vehicle, flexible switching of various heat management control modes is realized, the system is suitable for low-temperature working conditions, high-temperature working conditions, normal-temperature working conditions, parking quick charge/full charge and the like, the waste heat of an electric drive system is fully utilized, the capacities of the systems can be complemented, the energy utilization rate of the heat management system is effectively improved, and the endurance mileage of the whole vehicle is obviously improved; therefore, the integrated thermal management system of the electric automobile can achieve the technical effects of reliability of thermal management and energy utilization rate.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an integrated thermal management system of an electric vehicle according to an embodiment of the present disclosure, where the integrated thermal management system of the electric vehicle includes an electric drive thermal management loop mechanism, a battery thermal management loop mechanism, a warm air loop mechanism, and a multi-way valve mechanism.

Illustratively, the electrically-driven thermal management circuit mechanism 100 includes an electrically-driven mechanism 110, an electrically-driven water pump 120, and an electrically-driven mechanism heat sink 130, the electrically-driven mechanism 110, the electrically-driven water pump 120, and the electrically-driven mechanism heat sink 130 being connected in series at a first control port of the multi-way valve mechanism 400.

Illustratively, the electric drive mechanism 110, i.e., the drive mechanism of the electric vehicle, is a power source of the electric vehicle; electric drive mechanism 110 is thermally managed by connecting electric drive water pump 120 and electric drive mechanism heat sink 130 in series therewith.

Illustratively, the battery thermal management circuit mechanism 200 includes a battery water pump 210 and a power battery 220, and the battery water pump 210 and the power battery 220 are connected in series to the second control port of the multi-way valve mechanism 400.

Illustratively, the power battery 220, i.e., the energy storage device of the electric vehicle, supplies electric power to the electric drive mechanism 110 through the power battery 220, thereby driving the operation of the electric drive mechanism; the power battery 220 is thermally managed by connecting the battery water pump 120 and the power battery 220 in series.

Illustratively, the warm air circuit mechanism 300 includes a warm air water pump 310, a warm air heating PTC mechanism 320, a heat exchanger 330, and an electrically controlled three-way valve 340, and the warm air water pump 310, the warm air heating PTC mechanism 320, the electrically controlled three-way valve 340, and the heat exchanger 330 are connected in series to the third control port of the multi-way valve mechanism 400.

Illustratively, the warm air loop mechanism 300 is used for improving the temperature regulation in the electric automobile, and is provided with a warm air water pump 310, a warm air heating PTC mechanism 320, a heat exchanger 330, an electric control three-way valve 340 and the like; the Positive Temperature Coefficient (PTC) generally refers to a semiconductor material or a device having a large PTC.

Illustratively, as shown in FIG. 1, the first control ports of the multi-way valve mechanism include P1, P2, P3, the second control ports include P4, P5, and the third control ports include P6, P7.

Exemplarily, the integrated thermal management system of the electric vehicle adopts the integrated design of the multi-way valve mechanism 400, that is, the electric driving thermal management loop mechanism 100, the battery thermal management loop mechanism 200 and the warm air loop mechanism 300 are integrated through the multi-way valve, so that the structure of the common scheme is simplified, and the reliability is improved; by adjusting the path of the multi-way valve mechanism 400, a flexible control method can be adopted according to the environment temperature and the working condition of the whole vehicle, flexible switching of various heat management control modes is realized, the multi-way valve mechanism is suitable for low-temperature working conditions, high-temperature working conditions, normal-temperature working conditions, parking quick charge/full charge and the like, the waste heat of an electric drive system is fully utilized, the capacities of the systems can be complemented, the energy utilization rate of the heat management system is effectively improved, and the endurance mileage of the whole vehicle is obviously improved; therefore, the integrated thermal management system of the electric automobile can achieve the technical effects of reliability of thermal management and energy utilization rate.

Illustratively, the first control port includes a first control interface P1 and a second control interface P2, and the first control interface P1, the electric drive water pump 120, the electric drive mechanism 110, the electric drive mechanism radiator 130, and the second control interface P2 are connected in sequence.

Illustratively, the first control port further includes a third control interface P3, the third control interface P3 being connected between the electric drive mechanism 110 and the electric drive mechanism heat sink 130.

Illustratively, the second control port includes a fourth control interface P4 and a fifth control interface P5, and the fourth control interface P4, the battery water pump 210, the power battery 220, and the fifth control interface P5 are connected in sequence.

Illustratively, the third control port includes a sixth control port P6 and a seventh control port P7, and the sixth control port P6, the warm air water pump 310, the warm air heating PTC mechanism 320, the electrically controlled three-way valve 340, the heat exchanger 330, and the seventh control port P7 are connected in sequence.

Exemplarily, the electrically controlled three-way valve 340 is connected with the sixth control port P6.

Illustratively, the system further includes an air conditioning mechanism 500, the air conditioning mechanism 500 coupled to the heat exchanger 330.

Please refer to fig. 2 to fig. 7:

fig. 2 is a schematic diagram of a first circulation mode passage provided in an embodiment of the present application, and fig. 3 is a schematic diagram of another first circulation mode passage provided in the embodiment of the present application;

FIG. 4 is a schematic illustration of a second cycle mode of the present application according to an embodiment of the present application;

FIG. 5 is a schematic illustration of a third cycle mode of the present application according to an embodiment of the present application;

fig. 6 is a schematic path diagram of a fourth circulation mode provided in the embodiment of the present application, and fig. 7 is a schematic path diagram of another fourth circulation mode provided in the embodiment of the present application.

Illustratively, the integrated thermal management system of the electric vehicle controls the on/off of each control port of the multi-way valve mechanism 400, and the cycle mode of the system includes:

in the first circulation mode, the electrically-driven heat management loop mechanism 100 is in an independent internal circulation mode, and the battery heat management loop mechanism 200 and the warm air loop mechanism 300 are connected in series to form a large circulation mode;

in the second circulation mode, the electric drive heat management loop mechanism 100, the battery heat management loop mechanism 200 and the warm air loop mechanism 300 are in an independent internal circulation mode;

in the third circulation mode, the battery thermal management loop mechanism 200 is in an independent internal circulation mode, and the electric drive thermal management loop mechanism 100 and the warm air loop mechanism 300 are connected in series to form a large circulation mode;

in the fourth circulation mode, the electric drive thermal management loop mechanism 100, the battery thermal management loop mechanism 200 and the warm air loop mechanism 300 are connected in series to form a large circulation mode.

Exemplarily, as shown in fig. 2 to 7:

the first circulation mode is suitable for the low-temperature working condition of the whole vehicle, is convenient for low-temperature heating of the battery and heating of the passenger compartment, can also be suitable for the high-temperature working condition of the whole vehicle, is convenient for quick cooling of the battery at high temperature, can also be suitable for the quick charging working condition of the whole vehicle, and is convenient for quick cooling under quick charging of the battery;

the second circulation mode is suitable for the normal-temperature static or low-power running condition of the whole vehicle, and is convenient for battery temperature equalization;

the third circulation mode is suitable for the low-temperature working condition of the whole vehicle, and is convenient for utilizing the waste heat of the electric driving system to the passenger compartment;

the fourth circulation mode is suitable for the low-temperature working condition of the whole vehicle, is convenient for the waste heat of the electric driving system to heat the battery, and can also be suitable for the normal-temperature working condition of the whole vehicle, so that the battery is convenient to cool slowly.

Referring to fig. 8, fig. 8 is a schematic flow chart of a liquid filling method according to an embodiment of the present application, where the liquid filling method is applied to the integrated thermal management system of the electric vehicle shown in fig. 1 to 7, and the liquid filling method includes:

s100: controlling the integrated thermal management system to enter a preset control mode or enter a diagnosis mode;

s200: controlling the integrated thermal management system to enter a filling process;

s300: controlling the multi-way valve mechanism to traverse a plurality of circulation modes, and executing the following processing on the traversed circulation modes:

s310: controlling the rotating speeds of the electrically-driven water pump, the battery water pump and the warm air water pump to be preset rotating speeds and continuously operating for preset time;

320: judging whether the electric drive water pump, the battery water pump and the warm air water pump are in dry running fault, if so, carrying out evacuation treatment on the integrated thermal management system; if not, processing the next circulation mode;

s400: and (5) completing traversal and generating filling result information.

Exemplarily, at S310: before the step of controlling the rotating speed of the electric water pump, the battery water pump and the hot air water pump to be the preset rotating speed and continuously operating for the preset time, the method further comprises the following steps:

and controlling the position of the electric control three-way valve to be a preset opening degree.

In some implementation scenarios, with reference to fig. 1 to 8, the liquid filling method provided in the embodiment of the present application includes the following specific implementation steps:

s1: setting an integrated thermal management system of the electric automobile to be in a specific control mode or a diagnosis mode, and entering an injecting process;

s2: controlling the integrated heat management system to be in a fourth circulation mode (figure 6), controlling the electrically-controlled three-way valve to be at 0 degrees, controlling the electrically-driven water pump to be enabled, setting the rotating speed to be N1, and continuously operating T1;

s3: controlling an enabling battery water pump, setting the rotating speed to be N2, and continuously operating T2;

s4: controlling an enabling warm air water pump, setting the rotating speed to be N3, and continuously operating T3;

s5: setting the position of the electric control three-way valve to be 50%, and keeping the rotating speed of each water pump unchanged for T4;

s6: judging the dry-running faults of the electric water pump, the battery water pump and the warm air water pump, and if any water pump has the dry-running fault, keeping waiting; if no dry-running fault of the water pump exists and the water pump continues for T5, entering the next step;

s7: controlling the multi-way valve mechanism to be in a fourth circulation mode (shown in figure 7), and keeping the rotating speed of each water pump unchanged for T6;

s8: judging the dry-running faults of the electric water pump, the battery water pump and the warm air water pump, and if any water pump has the dry-running fault, keeping waiting; if no dry-running fault of the water pump exists and the water pump continues to be T7, entering the next step;

s9: setting the intelligent integrated control multi-way valve as a first circulation control mode (shown in figure 1), and keeping the rotating speed of each water pump unchanged for T8;

s10: judging the dry-running faults of the electric water pump, the battery water pump and the warm air water pump, and if any water pump has the dry-running fault, keeping waiting; if no dry-running fault of the water pump exists and the water pump continues to be T9, entering the next step;

s11: setting the intelligent integrated control multi-way valve to be in a first circulation mode (figure 3), and keeping the rotating speed of each water pump unchanged for T10;

s12, judging the dry-running faults of the electrically-driven water pump, the battery water pump and the warm air water pump, and if any water pump has the dry-running fault, jumping back to the step S6 and carrying out emptying treatment again; if all the water pumps have no dry-running faults and continue for T11, entering the next step;

s13: and (6) ending.

Wherein N1/N2/N3 represents the rotating speed of the water pump, and the unit is rpm; T1/T2/T3/T4/T5/T6/T7/T8/T9/T10/T11 is expressed as a duration in seconds.

Exemplarily, the above S1-S13, wherein the steps S1/S2/S3/S4/S5/S6/S9/S10 are indispensable and S7/S8/S11/S12 is preferred, the additional preferred step is to more effectively realize evacuation of air foam at the time of filling and to avoid insufficient evacuation.

It should be noted that the specific parameters (such as the rotation speed and the duration) set in the above steps can be calibrated and confirmed according to specific situations, and the present application is only used as an example and is not limited.

The integrated heat management system provided by the embodiment of the application adopts the integrated design of the integrated multi-way valve, and sequentially couples the electrically-driven heat management loop mechanism, the battery heat management loop mechanism and the warm air loop mechanism, so that the integrated heat management system is obviously simplified in structure and improved in reliability compared with the combined design of the three-way valve or the four-way valve in the existing scheme; and the flexible control method can realize flexible switching of various thermal management control modes according to the ambient temperature and the working condition of the whole vehicle, is suitable for low-temperature working condition, high-temperature working condition, normal-temperature working condition, parking quick charging/full charging and the like as clear in the technical scheme, fully utilizes the waste heat of an electric driving system, can complement the capacities of all systems, effectively improves the energy utilization rate of the thermal management system, and obviously improves the endurance mileage of the whole vehicle.

In an exemplary manner, the liquid filling method provided by the embodiment of the application considers filling and emptying of the cooling liquid, and the filling strategy control method is provided, so that the innovative significance is remarkable, the method can perform filling and automatic emptying judgment of the cooling liquid by controlling a specific mode when the cooling liquid is filled for the first time, the filling effect is obvious, the method can be repeatedly used, and the filling during vehicle debugging or the filling during vehicle maintenance is convenient.

In all embodiments of the present application, the terms "large" and "small" are relatively speaking, and the terms "upper" and "lower" are relatively speaking, so that descriptions of these relative terms are not repeated herein.

It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in an embodiment of the present application," or "in an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.

In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (8)

1. An integrated thermal management system of an electric automobile is characterized by comprising an electric drive thermal management loop mechanism, a battery thermal management loop mechanism, a warm air loop mechanism and a multi-way valve mechanism;

the electrically-driven heat management loop mechanism comprises an electrically-driven mechanism, an electrically-driven water pump and an electrically-driven mechanism radiator, wherein the electrically-driven mechanism, the electrically-driven water pump and the electrically-driven mechanism radiator are connected in series at a first control port of the multi-way valve mechanism;

the battery heat management loop mechanism comprises a battery water pump and a power battery, and the battery water pump and the power battery are connected in series at a second control port of the multi-way valve mechanism;

the warm air loop mechanism comprises a warm air water pump, a warm air heating PTC mechanism, a heat exchanger and an electric control three-way valve, and the warm air water pump, the warm air heating PTC mechanism, the electric control three-way valve and the heat exchanger are connected in series at a third control port of the multi-way valve mechanism.

2. The integrated thermal management system of an electric vehicle of claim 1, wherein the first control port comprises a first control interface and a second control interface, the first control interface, the electric drive pump, the electric drive mechanism heat sink, and the second control interface being connected in series.

3. The integrated thermal management system of an electric vehicle of claim 2, wherein the first control port further comprises a third control interface connected between the electric drive mechanism and the electric drive mechanism heat sink.

4. The integrated thermal management system of the electric vehicle according to claim 1, wherein the second control port comprises a fourth control interface and a fifth control interface, and the fourth control interface, the battery water pump, the power battery and the fifth control interface are sequentially connected.

5. The integrated thermal management system of an electric vehicle of claim 1, wherein the third control port comprises a sixth control interface and a seventh control interface, and the sixth control interface, the warm air water pump, the warm air heating PTC mechanism, the electrically controlled three-way valve, the heat exchanger, and the seventh control interface are connected in sequence.

6. The integrated thermal management system of an electric vehicle of claim 5, wherein the electrically controlled three-way valve is connected to the sixth control interface.

7. The integrated thermal management system of an electric vehicle of claim 1, further comprising an air conditioning mechanism coupled to the heat exchanger.

8. The integrated thermal management system for electric vehicles of any of claims 1 to 7, wherein the system is controlled by controlling the opening and closing of the respective control ports of the multi-way valve mechanism, and the cycle mode of the system comprises:

the electric drive heat management loop mechanism is in an independent internal circulation mode, and the battery heat management loop mechanism and the warm air loop mechanism are connected in series to form a large circulation mode;

the second circulation mode is that the electric drive heat management loop mechanism, the battery heat management loop mechanism and the warm air loop mechanism are in independent internal circulation modes;

the battery heat management loop mechanism is in an independent internal circulation mode, and the electrically-driven heat management loop mechanism and the warm air loop mechanism are connected in series to form a large circulation mode;

and in a fourth circulation mode, the electrically-driven heat management loop mechanism, the battery heat management loop mechanism and the warm air loop mechanism are connected in series to form a large circulation mode.

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