CN222136394U - Thermal management system, vehicle - Google Patents
Thermal management system, vehicle Download PDFInfo
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- CN222136394U CN222136394U CN202420109466.4U CN202420109466U CN222136394U CN 222136394 U CN222136394 U CN 222136394U CN 202420109466 U CN202420109466 U CN 202420109466U CN 222136394 U CN222136394 U CN 222136394U
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Abstract
The utility model discloses a thermal management system and a vehicle. The thermal management system comprises a battery pack temperature adjusting module, a passenger cabin heating module, a first heat exchanger and a first control valve, wherein the battery pack temperature adjusting module is used for adjusting the temperature of a battery pack, the passenger cabin heating module is used for heating the passenger cabin, the battery pack temperature adjusting module is connected with the first heat exchanger through a pipeline, the first heat exchanger is connected with the first control valve through a pipeline, the passenger cabin heating module is connected with the first control valve through a pipeline, and the first control valve can switch the communication state of the passenger cabin heating module and the first heat exchanger. According to the utility model, the battery pack temperature control loop and the passenger cabin heating loop are relatively and independently arranged, and the refrigerants in the two loops exchange heat through the heat exchanger, so that the safety of the system is obviously improved.
Description
Technical Field
The present utility model relates generally to the field of heat pump technology, and more particularly to a thermal management system and a vehicle.
Background
In the heat management system of the air conditioner of the new energy automobile, the most energy-saving system is a heat pump system at present, the heat pump technology is commonly applied to electric automobiles, the heat pump system generally comprises a compressor, a condenser, an evaporator, a gas-liquid separator and other main components, and a refrigerating mode or a heating mode is realized by changing the flow path or the direction of a refrigerant.
However, the existing heat pump system is unreasonable in pipeline layout, and particularly, a pipeline for adjusting temperature of a power battery is directly communicated with temperature adjusting pipelines of other temperature adjusting modules, so that refrigerant mixed flow is caused, and potential safety hazards exist.
Accordingly, there is a need to provide a thermal management system and a vehicle that at least partially address the above-described problems.
Disclosure of utility model
In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, a first aspect of the present utility model provides a thermal management system comprising:
the battery pack temperature adjusting module is used for adjusting the temperature of the battery pack;
the passenger cabin heating module is used for heating the passenger cabin;
A first heat exchanger;
a first control valve;
The battery pack temperature adjusting module is connected with the first heat exchanger through a pipeline, the first heat exchanger is connected with the first control valve through a pipeline, the passenger cabin heating module is connected with the first control valve through a pipeline, and the first control valve can switch the communication state of the passenger cabin heating module and the first heat exchanger.
Optionally, the thermal management system further comprises:
the engine temperature adjusting module is used for adjusting the temperature of the engine;
The passenger cabin heating module is connected with the second control valve through a pipeline, the engine temperature regulating module is connected with the second control valve through a pipeline, and the second control valve can switch the communication state of the engine temperature regulating module and the passenger cabin heating module.
Optionally, the thermal management system further comprises:
the passenger cabin air conditioning module is used for refrigerating the passenger cabin;
The passenger cabin air conditioning module is connected with the second heat exchanger through a pipeline, and the battery pack temperature adjusting module is connected with the second heat exchanger through a pipeline.
Optionally, the battery pack temperature adjustment module includes:
The outlet of the battery pack heat exchange device is connected with the first inlet of the second heat exchanger through a pipeline;
The outlet of the first water pump is connected with the inlet of the battery pack heat exchange device through a pipeline, and the inlet of the first water pump is connected with the first outlet of the first heat exchanger through a pipeline;
The first outlet of the second heat exchanger is connected with the first inlet of the first heat exchanger through a pipeline.
Optionally, the first control valve and the second control valve are four-way valves, and each of the four-way valves comprises four interfaces.
Optionally, the passenger compartment heating module includes:
The outlet of the PTC heater is connected with the third interface of the second control valve;
The outlet of the second water pump is connected with the inlet of the PTC heater;
The outlet of the warm air core body is connected with the inlet of the second water pump, and the inlet of the warm air core body is connected with the second interface of the first control valve;
the fourth interface of the second control valve is connected with the first interface of the first control valve;
The fourth interface of the first control valve is connected with the second inlet of the first heat exchanger, and the third interface of the first control valve is connected with the second outlet of the first heat exchanger.
Optionally, the engine temperature adjustment module includes:
The outlet of the engine cooling device is connected with the first interface of the second control valve;
The outlet of the third water pump is connected with the inlet of the engine cooling device;
And the outlet of the high-temperature radiator is connected with the inlet of the third water pump.
Optionally, the engine temperature adjustment module further comprises:
The inlet of the temperature regulator is connected with the second interface of the second control valve, the first outlet of the temperature regulator is connected with the inlet of the high-temperature radiator, and the second outlet of the temperature regulator is connected with the inlet of the third water pump.
Optionally, the passenger cabin air conditioning module includes:
An evaporator;
the inlet of the compressor is connected with the outlet of the evaporator;
A condenser, the condenser inlet being connected to the outlet of the compressor, the condenser outlet being connected to the inlet of the evaporator and to the second inlet of the second heat exchanger;
and a second outlet of the second heat exchanger is connected with an inlet of the compressor.
Optionally, a stop valve and a first expansion valve are sequentially arranged on a pipeline of the condenser connected with the evaporator;
And a second expansion valve is arranged on a pipeline of the condenser connected with the second heat exchanger.
Optionally, the thermal management system further comprises:
A fourth water pump;
and the outlet of the low-temperature radiator is connected with the inlet of the fourth water pump.
Optionally, the thermal management system further comprises:
the inlet of the driving motor cooling device is connected with the outlet of the fourth water pump;
the inlet of the generator cooling device is connected with the outlet of the fourth water pump;
And an inlet of the intercooler is connected with an inlet of the fourth water pump, and an outlet of the intercooler is connected with an inlet of the low-temperature radiator.
Optionally, the thermal management system further comprises:
The inlet of the DC-DC cooling device is connected with the outlet of the driving motor cooling device, and the outlet of the DC-DC cooling device is connected with the inlet of the low-temperature radiator;
and the inlet of the electric control cooling device is connected with the outlet of the generator cooling device, and the outlet of the electric control cooling device is connected with the inlet of the low-temperature radiator.
Optionally, the first control valve and the second control valve are electromagnetic control valves;
The first heat exchanger and the second heat exchanger are both plate heat exchangers.
A second aspect of the utility model provides a vehicle comprising:
Including battery package and engine, still include:
the thermal management system of any one of the above claims, the thermal management system connecting the battery pack and the engine, respectively.
According to the thermal management system and the vehicle, the battery pack temperature control loop and the passenger cabin heating loop are arranged relatively independently, and the refrigerants in the two loops are subjected to heat exchange through the heat exchanger, so that the possibility that the high-temperature refrigerants directly enter the battery pack through the passenger cabin heating loop and possibly damage the battery pack due to overhigh temperature is avoided, and the control valve is additionally arranged for the heat exchanger to control the on-off of the high-temperature refrigerants, so that the safety of the system is remarkably improved.
Drawings
The following drawings of embodiments of the present utility model are included as part of the utility model. Embodiments of the present utility model and their description are shown in the drawings to explain the principles of the utility model. In the drawings of which there are shown,
FIG. 1 is a schematic illustration of a thermal management system according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic diagram of a first mode of operation of a thermal management system according to a preferred embodiment of the present utility model;
FIG. 3 is a schematic diagram of a second mode of operation of the thermal management system according to a preferred embodiment of the present utility model;
FIG. 4 is a schematic diagram of a third mode of operation of the thermal management system according to a preferred embodiment of the present utility model;
FIG. 5 is a schematic diagram of a fourth mode of operation of the thermal management system according to a preferred embodiment of the present utility model.
Reference numerals illustrate:
1 engine cooling device 2, third water pump
3 High temperature radiator 4, fan
5 Temperature regulator 6 driving motor cooling device
7 DC-DC cooling device 8 generator cooling device
9, An electric control device cooling device 10, an intercooler
11, Low-temperature radiator 12, evaporator
13 Compressor 14 condenser
15 Cut-off valve 16 first expansion valve
17, A second expansion valve 18, a battery pack heat exchange device
19 Second heat exchanger 191 first interface
192 Second interface 193 third interface
194 Fourth interface 20 first heat exchanger
201 First interface 202 second interface
203, Third interface 204, fourth interface
21, A first water pump 22 and a fourth water pump
23 Second control valve 231 first interface
232, Second interface 233, third interface
234 Fourth interface 24 PTC heater
25, A second water pump 26, a warm air core
27 First control valve 271 first interface
272, Second interface 273, third interface
274 Fourth interface
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.
In the following description, a detailed description will be given for the purpose of thoroughly understanding the present utility model. It should be appreciated that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art. It will be apparent that embodiments of the utility model may be practiced without limitation to the specific details that are familiar to those skilled in the art. Preferred embodiments of the present utility model are described in detail below, however, the present utility model may have other embodiments in addition to these detailed descriptions.
Ordinal numbers such as "first" and "second" cited in the present utility model are merely identifiers and do not have any other meaning, such as a particular order or the like. Also, for example, the term "first component" does not itself connote the presence of "second component" and the term "second component" does not itself connote the presence of "first component".
It should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer" and the like are used in the present utility model for illustrative purposes only and are not limiting.
The utility model discloses a thermal management system and a vehicle.
Exemplary embodiments according to the present utility model will now be described in more detail with reference to the accompanying drawings.
In a preferred embodiment, as shown in FIG. 1, a thermal management system includes a battery pack attemperation module, a passenger compartment heating module, a first heat exchanger 20, and a first control valve 27;
The battery pack temperature adjusting module is used for adjusting the temperature of the battery pack and can heat or cool the battery pack;
the passenger cabin heating module is used for heating the passenger cabin;
The battery pack temperature adjusting module is connected with the first heat exchanger 20 through a pipeline, the first heat exchanger 20 is connected with the first control valve 27 through a pipeline, the passenger cabin heating module is connected with the first control valve 27 through a pipeline, and the first control valve 27 can switch the communication state between the passenger cabin heating module and the first heat exchanger 20.
The first control valve 27 is switchable between a state in which the passenger compartment heating module is capable of exchanging refrigerant with the first heat exchanger 20 and a state in which the passenger compartment heating module is not capable of exchanging refrigerant with the first heat exchanger 20.
When the battery pack needs to be heated, the refrigerant in the passenger cabin heating module exchanges heat with the refrigerant in the battery pack temperature adjusting module through the first heat exchanger 20, so that the battery pack is heated.
The refrigerant in the battery pack temperature control circuit and the passenger cabin heating circuit can exchange heat in the first heat exchanger 20, but cannot circulate mutually, and when abnormality occurs, the passenger cabin heating circuit can be rapidly disconnected from conveying the refrigerant to the first heat exchanger 20 by switching the state of the first control valve 27, so that the safety of the system is remarkably improved.
The first control valve 27 in this embodiment is a four-way valve, and the first control valve 27 includes four ports, i.e., a first port 271, a second port 272, a third port 273, and a fourth port 274, and any two ports can be switched between the first port 271 and the second port 272, and the third port 273 and the fourth port 274, or the first port 271 and the fourth port 274, and the second port 272 and the third port 273.
The refrigerant circulated in the heat management system can use one working medium of the air conditioner refrigerant, and does not contain other working media such as glycol aqueous solution and the like.
According to the thermal management system, the battery pack temperature control loop and the passenger cabin heating loop are arranged relatively independently, and refrigerants in the two loops are subjected to heat exchange through the heat exchanger, so that the possibility that the high-temperature refrigerants directly enter the battery pack through the passenger cabin heating loop and damage to the battery pack due to overhigh temperature is avoided, and the control valve is additionally arranged for the heat exchanger to control the on-off of the high-temperature refrigerants, so that the safety of the system is remarkably improved.
In one embodiment, the first heat exchanger 20 comprises four interfaces, namely a first inlet 201, a first outlet 204, a second inlet 203 and a second outlet 202, wherein the first inlet 201 is communicated with the first outlet 204 only, and the second inlet 203 is communicated with the second outlet 202 only, so that the connection state cannot be changed arbitrarily.
In one embodiment, as shown in FIG. 1, the thermal management system further comprises:
The engine temperature adjusting module is used for adjusting the temperature of the engine and can cool the engine;
The second control valve 23, the passenger cabin heating module passes through the pipeline and connects second control valve 23, and the engine temperature regulating module passes through pipeline and connects second control valve 23, and the communication state of engine temperature regulating module and passenger cabin heating module can be switched to second control valve 23.
The second control valve 23 is switchable between a state in which the engine temperature adjusting module is capable of performing refrigerant exchange with the passenger compartment heating module and a state in which the engine temperature adjusting module is incapable of performing refrigerant exchange with the passenger compartment heating module.
In one embodiment, the second control valve 23 is a four-way valve, and the second control valve 23 comprises four interfaces, namely a first interface 231, a second interface 232, a third interface 233 and a fourth interface 234, wherein any two interfaces can be switched to communicate inside the four interfaces, for example, when a state is switched, the first interface 231 is communicated with the second interface 232, the third interface 233 is communicated with the fourth interface 234, or when a state is switched, the first interface 231 is communicated with the fourth interface 234, and the second interface 232 is communicated with the third interface 233.
In one embodiment, the first control valve 27 and the second control valve 23 are electromagnetic control valves, and can be automatically switched between the first state and the second state.
In one embodiment, as shown in FIG. 1, the thermal management system further comprises:
the passenger cabin air conditioning module is used for refrigerating the passenger cabin;
The second heat exchanger 19, the passenger cabin air conditioning module is connected with the second heat exchanger 19 through a pipeline, and the battery pack temperature adjusting module is connected with the second heat exchanger 19 through a pipeline.
When the battery pack needs to be cooled, the refrigerant in the passenger cabin air conditioning module exchanges heat with the refrigerant in the battery pack temperature adjusting module through the second heat exchanger 19, so that the battery pack is cooled.
In one embodiment, the second heat exchanger 19 comprises four interfaces, namely a first inlet 191, a first outlet 194, a second inlet 193 and a second outlet 192, wherein the first inlet 191 is communicated with the first outlet 194 only and the second inlet 193 is communicated with the second outlet 192 only in the interior of the second heat exchanger, and the connection state cannot be changed arbitrarily.
In one embodiment, as shown in fig. 1, a battery pack temperature adjustment module includes:
The battery guarantee replacement heat device 18, the outlet of the battery pack heat exchange device 18 is connected with the first inlet 191 of the second heat exchanger 19 through a pipeline, and the battery guarantee replacement heat device 18 mainly comprises a heat exchange pipeline arranged in a battery pack, various interfaces and control valves;
the outlet of the first water pump 21 is connected with the inlet of the battery pack heat exchange device 18 through a pipeline, and the inlet of the first water pump 21 is connected with the first outlet 204 of the first heat exchanger 20 through a pipeline;
The first outlet 194 of the second heat exchanger 19 is connected by piping to the first inlet 201 of the first heat exchanger 20.
In the first heat exchanger 20, the refrigerant may flow in from the first inlet 201 and out from the first outlet 204, and in the second heat exchanger 19, the refrigerant may flow in from the first inlet 191 and out from the first outlet 194, and the first water pump 21 and the battery guarantee replacement heat device 18 are combined, thereby forming a complete refrigerant circulation path.
In one embodiment, as shown in fig. 1, the passenger compartment heating module includes:
The PTC heater 24, the outlet of the PTC heater 24 is connected with the third interface 233 of the second control valve 23;
A second water pump 25, an outlet of the second water pump 25 is connected with an inlet of the PTC heater 24;
When the PTC heater 24 works, heat can be conveyed to the warm air core 26 through a refrigerant, and the warm air core 26 blows hot air to the passenger cabin to heat the passenger cabin;
The fourth port 234 of the second control valve 23 is connected to the first port 271 of the first control valve 27;
The fourth port 274 of the first control valve 27 is connected to the second inlet 203 of the first heat exchanger 20 and the third port 273 of the first control valve 27 is connected to the second outlet 202 of the first heat exchanger 20.
In one embodiment, as shown in FIG. 1, an engine attemperation module includes:
The engine cooling device 1, wherein an outlet of the engine cooling device 1 is connected with a first interface 231 of the second control valve 23, and the engine cooling device 1 mainly comprises a cooling pipeline arranged in an engine and various interfaces and control valves;
The outlet of the third water pump 2 is connected with the inlet of the engine cooling device 1;
The outlet of the high-temperature radiator 3 is connected with the inlet of the third water pump 2, and the high-temperature radiator 3 radiates heat for the refrigerant in the engine cooling device 1 and is arranged outside the passenger cabin to exchange heat with the outside air to cool.
In one embodiment, as shown in fig. 1, the engine temperature adjustment module further includes:
The inlet of the temperature regulator 5 is connected with the second interface 232 of the second control valve 23, the first outlet of the temperature regulator 5 is connected with the inlet of the high-temperature radiator 3, and the second outlet of the temperature regulator 5 is connected with the inlet of the third water pump 2.
The thermostat 5 is also called a thermostat, and is a valve for controlling a flow path of the coolant. As a type of thermostat, a temperature sensing device is generally included, which turns on and off the flow of a cooling liquid by expanding or contracting. The water quantity entering the high-temperature radiator 3 is automatically adjusted according to the temperature of the engine cooling liquid, the circulation range of water is changed, the heat radiation capacity of a cooling system is adjusted, and the engine is ensured to work in a proper temperature range.
In one embodiment, as shown in fig. 1, a passenger compartment air conditioning module includes:
The evaporator 12 is arranged in the passenger cabin, and the refrigerant absorbs heat in the evaporator 12 by evaporation and can cool and refrigerate the passenger cabin;
The inlet of the compressor 13 is connected with the outlet of the evaporator 12, and the compressor 13 can compress the refrigerant into a high-temperature and high-pressure state;
A condenser 14, wherein an inlet of the condenser 14 is connected with an outlet of the compressor 13, and an outlet of the condenser 14 is connected with an inlet of the evaporator 12 and is connected with a second inlet 193 of the second heat exchanger 19;
the second outlet 192 of the second heat exchanger 19 is connected to the inlet of the compressor 13.
The refrigerant outputted from the condenser 14 can exchange heat with the refrigerant in the battery pack temperature adjusting module in the second heat exchanger 19, and the second heat exchanger 19 can function as an evaporator at this time, so that the battery pack can be cooled.
In one embodiment, as shown in fig. 1, a stop valve 15 and a first expansion valve 16 are sequentially arranged on a pipeline of the condenser 14 connected with the evaporator 12;
the condenser 14 is provided with a second expansion valve 17 on a line connecting the second heat exchanger 19.
When the temperature of the battery pack exceeds a set value, the passenger cabin air conditioning module can be started to cool the battery pack.
In one embodiment, as shown in FIG. 1, the thermal management system further comprises:
A fourth water pump 22;
The low-temperature radiator 11, the outlet of the low-temperature radiator 11 is connected with the inlet of the fourth water pump 22, and the low-temperature radiator 11 can cool and dissipate heat for the refrigerant flowing through, is arranged outside the passenger cabin, and exchanges heat with the outside air to cool.
In one embodiment, as shown in FIG. 1, the thermal management system further comprises:
The driving motor cooling device 6, the inlet of the driving motor cooling device 6 is connected with the outlet of the fourth water pump 22;
the generator cooling device 8, the inlet of the generator cooling device 8 is connected with the outlet of the fourth water pump 22;
the intercooler 10, the entry of intercooler 10 connects the entry of fourth water pump 22, and the entry of low temperature radiator 11 is connected to the export of intercooler 10.
The intercooler 10 is a turbocharger kit, and functions to reduce the temperature of the high-temperature air after supercharging, reduce the thermal load of the engine, increase the intake air amount, and further increase the power of the engine. For supercharged engines, the charge air cooler is an important component of the supercharging system. Whether it is a turbocharged engine or a supercharged engine, an intercooler needs to be installed between the supercharger and the intake manifold.
In one embodiment, as shown in FIG. 1, the thermal management system further comprises:
The DC-DC cooling device 7, wherein the inlet of the DC-DC cooling device 7 is connected with the outlet of the driving motor cooling device 6, and the outlet of the DC-DC cooling device 7 is connected with the inlet of the low-temperature radiator 11;
The electric control cooling device 9, the inlet of the electric control cooling device 9 is connected with the outlet of the generator cooling device 8, and the outlet of the electric control cooling device 9 is connected with the inlet of the low-temperature radiator 11.
A direct current-to-direct current converter (DC-to-DC converter), also known as a DC-DC converter, is a circuit or electromechanical device that converts electrical energy, and can convert a Direct Current (DC) power supply into a direct current (or approximately direct current) power supply of a different voltage. Its power can range from very small (small battery) to very large (high voltage power supply conversion).
In one embodiment, as shown in fig. 1, the first heat exchanger 20 and the second heat exchanger 19 are both plate heat exchangers.
In one embodiment, as shown in fig. 1, the thermal management system further includes a fan 4, where the high-temperature radiator 3, the condenser 14, and the low-temperature radiator 11 are disposed adjacently, and the fan 4 blows air to the high-temperature radiator 3, the condenser 14, and the low-temperature radiator 11, so that heat dissipation can be accelerated, and a cooling effect can be improved.
An embodiment of the present utility model also provides a vehicle including a battery pack and an engine, further including:
The thermal management system of any of the above embodiments, wherein the thermal management system is connected to the battery pack and the engine, respectively, and the thermal management system can heat or cool the battery and cool the engine.
Fig. 2 to 5 are schematic cycle diagrams of the thermal management system for realizing the functions of cooling and heating the passenger cabin, cooling and heating the power battery and cooling the driving assembly.
The thermal management system in this embodiment includes the following modes of operation:
First operation mode:
The passenger cabin has the heating requirement, and the battery does not have the heating requirement, and the engine is in a cold state. (engine coolant temperature < T);
As shown in fig. 2, the first control valve 27 is switched to a state, and the second control valve 23 is switched to a state. The engine circuit coolant does not flow through the passenger compartment heating circuit. The PTC heater 24 generates heat as a heat source to raise the temperature of the refrigerant in the cabin heating circuit, and the refrigerant flows through the warm air core 26 to heat the cabin as the second water pump 25 operates. At this time, the PTC heater 24 has a heating power of P, and the second water pump 25 is operated to achieve rapid heating.
Second mode of operation:
The passenger cabin has a heating requirement, the battery has no heating requirement, and the engine is in a heat engine state (engine refrigerant temperature > T);
As shown in fig. 3, the first control valve 27 is switched to one state, and the second control valve 23 is switched to two states. The engine circuit coolant flows through the passenger compartment heating circuit. At this time, the PTC heater 24 stops operating, the second water pump 25 does not operate, the third water pump 2 operates, and the high-temperature refrigerant flows through the warm air core 26 to heat the passenger compartment.
Third mode of operation:
The passenger cabin has a heating requirement, the battery has a heating requirement, and the engine is in a cold state (engine refrigerant temperature < T);
As shown in fig. 4, the first control valve 27 is switched to two states, and the second control valve 23 is switched to one state. The refrigerant in the passenger compartment heating circuit flows through the first heat exchanger 20 to heat the refrigerant in the battery circuit. At this time, the first water pump 21 of the battery circuit is operated at full speed, and the PTC heater 24 is operated at heating power P.
Fourth mode of operation:
The passenger cabin has a heating requirement, the battery has a heating requirement, and the engine is in a heat engine state (engine refrigerant temperature > T);
As shown in fig. 5, the first control valve 27 is switched to the two states, and the second control valve 23 is switched to the two states. The engine circuit refrigerant flows through the first heat exchanger 20, through the warm air core 26, through the second water pump 25, through the ptc heater 24, and back to the engine circuit through the first control valve 27, the second control valve 23. In this mode, the first water pump 21 is operated, and the battery circuit refrigerant flows through the battery pack heat exchanger 18, the second heat exchanger 19, the first heat exchanger 20, and flows back to the first water pump 21, and exchanges heat with the engine hot refrigerant in the first heat exchanger 20. At this time, the first water pump 21 is operated at full speed, the PTC heater 24 is not operated, the second water pump 25 is not operated, and the third water pump 2 is operated.
A thermal management system and vehicle according to the utility model has the following innovative points:
The thermal management system includes a motor cooling circuit, an engine cooling circuit, and a battery thermal management circuit. Through the execution of each heat management component, the temperature of each heating component in the working process of the vehicle is stabilized in a normal range, and the functions which can be realized are as follows:
1. And (3) cooling the engine, namely enabling engine cooling liquid to flow back to the engine through the high-temperature radiator, and cooling the engine by heat exchange between the cooling liquid and outside air through operation of a fan.
2. And the cooling liquid flows to the low-temperature radiator through the components, and the cooling liquid is cooled by heat exchange with the outside air.
3. The air conditioner for the cab is composed of a compressor, a condenser, an electromagnetic stop valve, a thermal expansion valve and an evaporator.
4. And cooling the battery after the temperature of the battery core is raised to a certain degree in the running process of the vehicle. The scheme relates to a battery cooling liquid loop and a refrigerant circulation loop. The battery cooling liquid loop comprises a battery pack, a cooling plate exchanger, a battery water pump and a refrigerant circulation loop, wherein the refrigerant circulation loop comprises a compressor, a condenser, an electronic expansion valve and a cooling plate exchanger. And the refrigerant and the battery cooling liquid exchange heat in the cooling plate, so that the temperature of the battery cooling liquid is reduced.
5. Battery heating and cab heating, in which case the battery cell temperature is too low, the battery charge and discharge functions may be affected in order for the vehicle to function properly in this case. Meanwhile, the cab has a heating function so as to meet the comfort requirement of the vehicle. The PTC is used as a heat source when the temperature of the engine water is low, and the engine is used as a heat source when the temperature of the engine water is high. The engine or the PTC is cooperatively interposed under different conditions, and the loop is switched through the two four-way valves, so that the heating time can be reduced, and the energy consumption can be reduced.
The processes, steps described in all the preferred embodiments described above are examples only. Unless adverse effects occur, various processing operations may be performed in an order different from that of the above-described flow. The step sequence of the above-mentioned flow can also be added, combined or deleted according to the actual requirement.
In understanding the scope of the present utility model, the term "comprising" and its derivatives, as used herein, are intended to be open ended terms that specify the presence of the stated features, elements, components, groups, integers, and/or steps, but do not exclude the presence of other unstated features, elements, components, groups, integers and/or steps. This concept also applies to words having similar meanings such as the terms "including", "having" and their derivatives.
The terms "attached" or "attached" as used herein include configurations in which an element is directly secured to another element by affixing the element directly to the other element, configurations in which an element is indirectly secured to another element by affixing the element to an intermediate member, which in turn is affixed to the other element, and configurations in which one element is integral with the other element, i.e., one element is substantially a part of the other element. The definition also applies to words having similar meanings such as the terms, "connected," "coupled," "mounted," "adhered," "secured" and their derivatives. Finally, terms of degree such as "substantially", "about" and "approximately" as used herein mean a deviation of the modified term such that the end result is not significantly changed.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model pertains. The terminology used herein is for the purpose of describing particular implementations only and is not intended to be limiting of the utility model. Features described herein in one embodiment may be applied to another embodiment alone or in combination with other features unless the features are not applicable or otherwise indicated in the other embodiment.
The present utility model has been described in terms of the above embodiments, but it should be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the utility model to the embodiments described. In addition, it will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present utility model, which fall within the scope of the claimed utility model.
Claims (15)
1. A thermal management system, comprising:
the battery pack temperature adjusting module is used for adjusting the temperature of the battery pack;
the passenger cabin heating module is used for heating the passenger cabin;
a first heat exchanger (20);
a first control valve (27);
the battery pack temperature adjusting module is connected with the first heat exchanger (20) through a pipeline, the first heat exchanger (20) is connected with the first control valve (27) through a pipeline, the passenger cabin heating module is connected with the first control valve (27) through a pipeline, and the first control valve (27) can switch the communication state of the passenger cabin heating module and the first heat exchanger (20).
2. The thermal management system of claim 1, further comprising:
the engine temperature adjusting module is used for adjusting the temperature of the engine;
The second control valve (23), passenger cabin heating module passes through the pipeline connection second control valve (23), the engine temperature regulating module passes through the pipeline connection second control valve (23), second control valve (23) can switch the engine temperature regulating module with passenger cabin heating module's communication state.
3. The thermal management system of claim 2, further comprising:
the passenger cabin air conditioning module is used for refrigerating the passenger cabin;
The second heat exchanger (19), passenger cabin air conditioning module passes through the pipeline and connects second heat exchanger (19), battery package temperature regulating module passes through the pipeline and connects second heat exchanger (19).
4. The thermal management system of claim 3, wherein the battery pack attemperation module comprises:
A battery pack heat exchange device (18), wherein an outlet of the battery pack heat exchange device (18) is connected with a first inlet (191) of the second heat exchanger (19) through a pipeline;
The outlet of the first water pump (21) is connected with the inlet of the battery pack heat exchange device (18) through a pipeline, and the inlet of the first water pump (21) is connected with the first outlet (204) of the first heat exchanger (20) through a pipeline;
The first outlet (194) of the second heat exchanger (19) is connected to the first inlet (201) of the first heat exchanger (20) by a pipeline.
5. The thermal management system according to claim 2, wherein the first control valve (27) and the second control valve (23) are four-way valves, each comprising four interfaces.
6. The thermal management system of claim 2, wherein the passenger compartment heating module comprises:
A PTC heater (24), an outlet of the PTC heater (24) is connected with a third interface (233) of the second control valve (23);
A second water pump (25), an outlet of the second water pump (25) is connected with an inlet of the PTC heater (24);
A warm air core (26), wherein an outlet of the warm air core (26) is connected with an inlet of the second water pump (25), and an inlet of the warm air core (26) is connected with a second interface (272) of the first control valve (27);
-a fourth interface (234) of the second control valve (23) is connected to a first interface (271) of the first control valve (27);
a fourth interface (274) of the first control valve (27) is connected to the second inlet (203) of the first heat exchanger (20), and a third interface (273) of the first control valve (27) is connected to the second outlet (202) of the first heat exchanger (20).
7. The thermal management system of claim 2, wherein the engine attemperation module comprises:
An engine cooling device (1), an outlet of the engine cooling device (1) being connected to a first port (231) of the second control valve (23);
The outlet of the third water pump (2) is connected with the inlet of the engine cooling device (1);
And the outlet of the high-temperature radiator (3) is connected with the inlet of the third water pump (2).
8. The thermal management system of claim 7, wherein the engine attemperation module further comprises:
The temperature regulator (5), the entry of temperature regulator (5) is connected second interface (232) of second control valve (23), the first exit linkage of temperature regulator (5) the entry of high temperature radiator (3), the second exit linkage of temperature regulator (5) the entry of third water pump (2).
9. The thermal management system of claim 3, wherein the passenger compartment air conditioning module comprises:
An evaporator (12);
-a compressor (13), an inlet of the compressor (13) being connected to an outlet of the evaporator (12);
-a condenser (14), the condenser (14) inlet being connected to the outlet of the compressor (13), the condenser (14) outlet being connected to the inlet of the evaporator (12) and to the second inlet (193) of the second heat exchanger (19);
a second outlet (192) of the second heat exchanger (19) is connected to the inlet of the compressor (13).
10. The thermal management system according to claim 9, wherein a stop valve (15) and a first expansion valve (16) are sequentially arranged on a pipeline of the condenser (14) connected with the evaporator (12);
And a second expansion valve (17) is arranged on a pipeline of the condenser (14) connected with the second heat exchanger (19).
11. The thermal management system of claim 1, further comprising:
a fourth water pump (22);
And the outlet of the low-temperature radiator (11) is connected with the inlet of the fourth water pump (22).
12. The thermal management system of claim 11, further comprising:
The inlet of the driving motor cooling device (6) is connected with the outlet of the fourth water pump (22);
A generator cooling device (8), wherein an inlet of the generator cooling device (8) is connected with an outlet of the fourth water pump (22);
The intercooler (10), the entry of intercooler (10) is connected the entry of fourth water pump (22), the exit linkage of intercooler (10) the entry of low temperature radiator (11).
13. The thermal management system of claim 12, further comprising:
A DC-DC cooling device (7), wherein an inlet of the DC-DC cooling device (7) is connected with an outlet of the driving motor cooling device (6), and an outlet of the DC-DC cooling device (7) is connected with an inlet of the low-temperature radiator (11);
The electric control cooling device (9), the inlet of electric control cooling device (9) is connected with the outlet of generator cooling device (8), the outlet of electric control cooling device (9) is connected with the inlet of low temperature radiator (11).
14. A thermal management system according to claim 3, wherein the first control valve (27) and the second control valve (23) are electromagnetic control valves;
the first heat exchanger (20) and the second heat exchanger (19) are plate heat exchangers.
15. A vehicle comprising a battery pack and an engine, further comprising:
The thermal management system of any one of claims 1-14, connecting the battery pack and the engine, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420109466.4U CN222136394U (en) | 2024-01-16 | 2024-01-16 | Thermal management system, vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420109466.4U CN222136394U (en) | 2024-01-16 | 2024-01-16 | Thermal management system, vehicle |
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| Publication Number | Publication Date |
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| CN222136394U true CN222136394U (en) | 2024-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202420109466.4U Active CN222136394U (en) | 2024-01-16 | 2024-01-16 | Thermal management system, vehicle |
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| Country | Link |
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| CN (1) | CN222136394U (en) |
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