CN108074466A - The emulation mode of new energy vehicle heat management system - Google Patents
The emulation mode of new energy vehicle heat management system Download PDFInfo
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- CN108074466A CN108074466A CN201810032332.6A CN201810032332A CN108074466A CN 108074466 A CN108074466 A CN 108074466A CN 201810032332 A CN201810032332 A CN 201810032332A CN 108074466 A CN108074466 A CN 108074466A
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- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
Abstract
The invention discloses a kind of emulation modes of new energy vehicle heat management system, are related to technical field of vehicle, and main purpose is can comprehensively and truly to emulate new energy vehicle heat management system environment.The present invention main technical schemes be：Default motor cooling circuit simulation model, battery pack heating circuit simulation model, battery pack cooling circuit simulation model, crew module's refrigerating circuit simulation model, crew module heat loop simulation model and engine cooling circuit simulation model；The temperature value of motor, the first temperature value in the first temperature value and second temperature value, crew module of battery pack and the temperature value of second temperature value and engine in corresponding circuit simulation model are obtained respectively；Each temperature value is sent to the entire car controller of new energy vehicle；Entire car controller controls the thermal component in corresponding circuit simulation model according to each temperature value.Present invention is mainly used for comprehensively and truly emulate new energy vehicle heat management system environment.
Description
Technical field
The present invention relates to technical field of vehicle more particularly to a kind of emulation modes of new energy vehicle heat management system.
Background technology
With the limitation of air pollution treatment and national oil consumption target, new energy vehicle has been to be concerned by more and more people,
Become the development trend of Shape Of Things To Come.
The heat management system control strategy of new energy vehicle plays the role of the vehicle performance for improving vehicle vital.
In order to improve the vehicle performance of new energy vehicle, it is necessary to which opposite heat tube reason system is emulated, so that access control strategy is effective
Property.Include the heat management verification method of engine or the verification to battery thermal management in opposite heat tube reason system in the prior art
Method etc. is verified so as to fulfill the heat management control strategy to engine and battery.
However, in the heat management system of new energy vehicle, heat generating components not only includes engine and battery, further includes
Driving motor, generator, crew module, compressor and thermistor (Positive Temperature Coefficient, PTC)
Deng, cause existing heat management system verification method that cannot comprehensively and truly emulate new energy vehicle heat management system environment, from
And it cannot effectively verify the validity of heat management system control strategy.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of emulation mode of new energy vehicle heat management system, main purpose
It is that can comprehensively and truly emulate new energy vehicle heat management system environment.
In order to achieve the above objectives, present invention generally provides following technical solutions：
An embodiment of the present invention provides a kind of emulation mode of new energy vehicle heat management system, including：
Default motor cooling circuit simulation model, battery pack heating circuit simulation model, battery pack cooling circuit emulation mould
Type, crew module's refrigerating circuit simulation model, crew module heat loop simulation model and engine cooling circuit simulation model；
The temperature value of motor in the motor cooling circuit simulation model, battery pack heating circuit emulation are obtained respectively
It is the second temperature value of battery pack in first temperature value of battery pack, the battery pack refrigerating circuit simulation model in model, described
The first temperature value, the crew module in crew module's refrigerating circuit simulation model in crew module heat occupant in loop simulation model
The temperature value of engine in second temperature value and the engine cooling circuit simulation model in cabin；
It will be in the temperature value of the motor, the first temperature value of the battery pack and second temperature value, the crew module
First temperature value and the temperature value of second temperature value and the engine are sent to the entire car controller of the new energy vehicle；
The entire car controller is according to the temperature value of the motor, the first temperature value of the battery pack and second temperature
Value, the first temperature value in the crew module and the temperature value of second temperature value and the engine emulate corresponding circuit
Thermal component in model is controlled.
Specifically, obtaining the temperature value of motor in the motor cooling circuit simulation model includes：
The specific heat capacitance of the heating power value of the motor, the mass value of the motor and the motor is obtained respectively；
According to the specific heat capacitance of the heating power value of the motor, the mass value of the motor and the motor, calculate
The temperature value of the motor.
Specifically, the heating power value for obtaining the motor includes：
The heat radiation power of water pump in the wasted power value of the motor, the motor cooling circuit simulation model is obtained respectively
The heat radiation power value and environment of value and fan are to the heat radiation performance number of the motor；
According to the wasted power value of the motor, the heat radiation power value of the water pump, the heat radiation power value of the fan and
The environment calculates the heating power value of the motor to the heat radiation performance number of the motor.
Specifically, the wasted power value for obtaining the motor includes：
According to the tachometer value and torque value of the motor, the efficiency value of the motor and available power value are obtained；
According to the efficiency value of the motor and available power value, the wasted power value of the motor is calculated.
Specifically, obtaining the first temperature value of battery pack in the battery pack heating circuit simulation model includes：
The first heating power value, the mass value of the battery pack and the ratio of the battery pack of the battery pack are obtained respectively
Thermal capacitance value；
According to the first heating power value of the battery pack, the mass value of the battery pack and the specific heat capacity of the battery pack
Value calculates the first temperature value of the battery pack.
Specifically, the first heating power value for obtaining the battery pack includes：
The heat production of thermistor in the first heat production performance number of the battery pack, the battery pack heating circuit is obtained respectively
Performance number and environment temperature are to the first heat radiation performance number of the battery pack；
According to the first heat production performance number, the heat production performance number of the thermistor and the environment temperature of the battery pack
To the first heat radiation performance number of the battery pack, the first heating power value of the battery pack is calculated.
Specifically, the first heat production performance number for obtaining the battery pack includes：
According to the first of the battery pack the chemical reaction heat production performance number, the first internal resistance of cell heat production performance number and the first damage
Sda reaction heat production performance number calculates the first heat production performance number of the battery pack.
Specifically, the heat production performance number for obtaining thermistor in the battery pack heating circuit simulation model includes：
According to the tachometer value of water pump in the temperature value of the thermistor and the battery pack heating circuit simulation model, obtain
Take the heat production performance number of the thermistor.
Specifically, obtaining the second temperature value of battery pack in the battery pack cooling circuit simulation model includes：
The second heating power value, the mass value of the battery pack and the ratio of the battery pack of the battery pack are obtained respectively
Thermal capacitance value；
According to the second heating power value of the battery pack, the mass value of the battery pack and the specific heat capacity of the battery pack
Value calculates the second temperature value of the battery pack.
Specifically, the second heating power value for obtaining the battery pack includes：
Compressor in the second heat production performance number of the battery pack, the battery pack refrigerating circuit simulation model is obtained respectively
Heat radiation power value and environment temperature to the second heat radiation performance number of the battery pack；
According to the second heat production performance number, the heat radiation power value of the compressor and the environment temperature pair of the battery pack
Second heat radiation performance number of the battery pack calculates the second heating power value of the battery pack.
Specifically, the second heat production performance number for obtaining the battery pack includes：
According to the second of the battery pack the chemical reaction heat production performance number, the second internal resistance of cell heat production performance number and the second damage
Sda reaction heat production performance number calculates the second heat production performance number of the battery pack.
Specifically, obtaining the first temperature value in crew module's refrigerating circuit simulation model in crew module includes：
The heat radiation performance number of passenger in the crew module, crew module's refrigerating circuit simulation model apoplexy are obtained respectively
The temperature value of the road port of export, environment are to the heat radiation performance number of crew module's bulkhead and the biography of crew module's bulkhead and environment
Heat conduction performance number；
According to ducting outlet end in the heat radiation value of passenger, crew module's refrigerating circuit simulation model in the crew module
Temperature value, the environment is to the heat radiation performance number of crew module's bulkhead and the heat conduction work(of crew module's bulkhead and environment
Rate value calculates the first temperature value in the crew module according to the first preset formula；
First preset formula is：Tout=Tduct+(Pp+Pw1+Pex)/(mall×C1), wherein, ToutFor in crew module
Temperature, TductFor the temperature at ducting outlet end, PpFor the heat radiation power of passenger in crew module, Pw1It is environment to crew module cabin
The heat radiation power of wall, PexFor crew module's bulkhead and the heat conduction power of environment, mallFor the gross mass of crew module, C1For crew module
Specific heat capacity.
Specifically, the temperature value for obtaining ducting outlet end in crew module's refrigerating circuit simulation model includes：
It obtains respectively in the air passage wall surface temperature value, the wind path wall surface area values, crew module's refrigerating circuit
Heat exchange temperature value, environment are to the heat conduction performance number of the heat radiation performance number of the wind path wall and the wind path wall and environment；
According to the air passage wall surface temperature value, the wind path wall surface area values, crew module's refrigerating circuit emulation mould
Heat exchange temperature value in type, the environment are to the heat conduction work(of the heat radiation performance number of the wind path wall and the wind path wall and environment
Rate value calculates the temperature value at ducting outlet end in crew module's refrigerating circuit simulation model according to the second preset formula；
Second preset formula is：Wherein, TductFor ducting outlet end temperature,
TinFor heat exchange temperature, P is air heat temperature coefficient, and A is wind path wall surface area, and n is air passage quantity, maTo blast air quality, C2
For the specific heat capacity of air, TwFor air passage wall surface temperature,
K1For heat exchange coefficient, a is radiation coefficient, PRaIt is environment to the heat radiation power of wind path wall, Pw2For leading for wind path wall and environment
Thermal power, C3For the specific heat capacity of wind path wall, mductFor the quality of wind path wall.
Specifically, heat exchange temperature value includes in acquisition crew module's refrigerating circuit simulation model：
It is blasted according to the heat radiation power value of compressor, air blower in crew module's refrigerating circuit simulation model in crew module
The mass value of air and the specific heat capacitance of air calculate the air blower according to the 3rd preset formula and blast air in crew module
Temperature value；
According to the air blower blast the temperature value of air in crew module and crew module's inner circulating air temperature value and
The temperature value and mass value of mass value or crew module's outer circulation air calculate the crew module according to the 4th preset formula and freeze back
Heat exchange temperature value in the simulation model of road；
3rd preset formula is：Ta=Pcom/(C2×ma), wherein, TaTo blast air themperature, PcomFor compressor
Heat radiation power, C2For the specific heat capacity of air, maTo blast air quality；
4th preset formula is：Tin=(ma×Ta+mla×Tla)/mall, wherein, TinFor heat exchange temperature, mlaFor
Circulation air quality, TlaFor circulating air temperature, mallFor the gross mass of air.
By above-mentioned technical proposal, the emulation mode and device of new energy vehicle heat management system of the present invention at least have with
Lower advantageous effect：
In technical solution provided in an embodiment of the present invention, motor cooling circuit simulation model, battery pack heating circuit are preset
Simulation model, battery pack cooling circuit simulation model, crew module's refrigerating circuit simulation model, crew module heat loop simulation model
After engine cooling circuit simulation model, by obtaining the temperature value of motor, battery pack in corresponding circuit simulation model respectively
The first temperature value, the second temperature value of battery pack, the temperature value in crew module, the second temperature value in crew module and start
The temperature value of machine, and all temperature values got are sent to entire car controller, corresponding circuit is emulated by entire car controller
Temperature-controlled member in model is controlled, so as to verify the control strategy of new energy vehicle heat management system, with prior art phase
Than the present invention obtains multiple temperature values of heat generating components in each cooling circuit and heating circuit in heat management system so that
Entire car controller can control the temperature-controlled member in each corresponding circuit simulation model according to the plurality of temperature value, so as to
New energy vehicle heat management system environment is more comprehensively and truly simulated, the design of vehicle heat management system provides treasured for the later stage
Expensive data can effectively verify the validity of heat management system control strategy.
Description of the drawings
Fig. 1 is a kind of flow chart of the emulation mode of new energy vehicle heat management system provided in an embodiment of the present invention；
Fig. 2 is the method flow schematic diagram that the temperature value of motor in motor cooling circuit simulation model is obtained in Fig. 1；
Fig. 3 is the method flow schematic diagram for the heating power value that motor is obtained in Fig. 2；
Fig. 4 is the simulation model schematic diagram that motor temperature value in motor cooling circuit simulation model is obtained in Fig. 2；
Fig. 5 is the method flow diagram that the first temperature value of battery pack in battery pack heating circuit simulation model is obtained in Fig. 1；
Fig. 6 is the method flow schematic diagram for the first heating power value that battery pack is obtained in Fig. 5；
Fig. 7 is the simulation model signal that the first temperature value of battery pack in battery pack heating circuit simulation model is obtained in Fig. 5
Figure；
Fig. 8 is the equivalent circuit diagram of the battery cell of battery pack in Fig. 5；
Fig. 9 is the method flow diagram that the second temperature value of battery pack in battery pack cooling circuit simulation model is obtained in Fig. 1；
Figure 10 is the method flow schematic diagram for the second heating power value that battery pack is obtained in Fig. 9；
Figure 11 is the simulation model figure that battery pack second temperature value in battery pack cooling circuit simulation model is obtained in Fig. 9；
Figure 12 is the method flow that the first temperature value in crew module's refrigerating circuit simulation model in crew module is obtained in Fig. 1
Figure；
Figure 13 is the method flow diagram that ducting outlet end temperature value in crew module's refrigerating circuit simulation model is obtained in Figure 12；
Figure 14 is the method flow diagram that heat exchange temperature value in crew module's refrigerating circuit simulation model is obtained in Figure 13；
Figure 15 is the emulation mould that the first temperature value in crew module's refrigerating circuit simulation model in crew module is obtained in Figure 12
Type schematic diagram.
Specific embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Attached drawing and preferred embodiment, to the emulation mode of new energy vehicle heat management system of the present patent application and the specific implementation of device
Mode, structure, feature and its effect are described in detail.In the following description, different " embodiment " or " embodiment " refers to
Be not necessarily the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can be by any suitable
Form combines.
As shown in Figure 1, an embodiment of the present invention provides a kind of emulation mode of new energy vehicle heat management system, including：
101st, motor cooling circuit simulation model, battery pack heating circuit simulation model, battery pack cooling circuit is preset to imitate
True mode, crew module's refrigerating circuit simulation model, crew module heat loop simulation model and engine cooling circuit simulation model.
Motor cooling circuit, battery pack heating circuit, battery is generally included in the heat management system of new energy vehicle to pack
Cold loop, crew module's refrigerating circuit, crew module heat circuit and engine cooling circuit, when needing that these circuits are emulated
When, the simulation model in these circuits is first established, simulates truth during these loop works.
102nd, temperature value, the battery pack heating circuit simulation model of motor in motor cooling circuit simulation model are obtained respectively
The second temperature value of battery pack, crew module are freezed back in first temperature value of middle battery pack, battery pack refrigerating circuit simulation model
The first temperature value, crew module in the simulation model of road in crew module heat the second temperature value in loop simulation model in crew module
With the temperature value of engine in engine cooling circuit simulation model.
Wherein, motor, engine and battery pack are both needed to be operated under optimum working temperature, Cai Nenggeng in working cycles
Its efficiency is played well, and the temperature in crew module should be also maintained within a predetermined range, and just can guarantee the comfort level of occupant in cabin,
Therefore, simulation calculation is carried out to the temperature of the heat generating components in each loop simulation model of new energy vehicle heat management system, with
New energy vehicle heat management system environment is more comprehensively and truly emulated, so as to be provided for the design of the control strategy of heat management system
Theoretical foundation.Wherein, the second temperature value in loop simulation model in crew module is heated to crew module and engine cool is returned
The acquisition modes of engine temperature value in the simulation model of road can arbitrarily be chosen, not limit herein in the prior art, and work as
When crew module is heats, similar battery pack heating process；When engine water-cooling loop temperature disclosure satisfy that crew module's heating, directly
Connecing can utilize engine cooling circuit to be heated for crew module, and the relation of heat exchange is similar with crew module's refrigerating circuit.
103rd, by the temperature value of the motor, the first temperature value of the battery pack and second temperature value, the crew module
Interior the first temperature value and the temperature value of second temperature value and the engine is sent to the vehicle control of the new energy vehicle
Device processed.
104th, the entire car controller is according to the temperature value of the motor, the first temperature value of the battery pack and the second temperature
The first temperature value and the temperature value of second temperature value and the engine in angle value, the crew module, imitate corresponding circuit
Thermal component in true mode is controlled.
By the temperature value of obtained motor, battery pack the first temperature value and second temperature value, crew module in first temperature
Angle value and the temperature value of second temperature value and engine are all sent to the entire car controller of new energy vehicle, can specifically lead to
Each temperature value is fed back to entire car controller by the temperature sensor for crossing simulation, and is sentenced by entire car controller according to each temperature value
Whether the heat generating components in disconnected corresponding circuit simulation model needs to cool down or heat, so as to in corresponding circuit simulation model
Thermal component is controlled, i.e., the thermal components such as water pump and fan in corresponding circuit simulation model is turned on and off controlling
System is cooled down or heated to the heat generating components in corresponding circuit simulation model to realize, and then imitated with realizing comprehensive system
True heat management system environment, this is not only that the design of heat management control strategy provides theoretical foundation, can also effectively be verified
The validity that entire car controller opposite heat tube reason system is controlled.
In technical solution provided in an embodiment of the present invention, motor cooling circuit simulation model, battery pack heating circuit are preset
Simulation model, battery pack cooling circuit simulation model, crew module's refrigerating circuit simulation model, crew module heat loop simulation model
After engine cooling circuit simulation model, by obtaining the temperature value of motor, battery pack in corresponding circuit simulation model respectively
The first temperature value, the second temperature value of battery pack, the temperature value in crew module, the second temperature value in crew module and start
The temperature value of machine, and all temperature values got are sent to entire car controller, corresponding circuit is emulated by entire car controller
Temperature-controlled member in model is controlled, so as to verify the control strategy of new energy vehicle heat management system, with prior art phase
Than the present invention obtains multiple temperature values of heat generating components in each cooling circuit and heating circuit in heat management system so that
Entire car controller can control the temperature-controlled member in each corresponding circuit simulation model according to the plurality of temperature value, so as to
New energy vehicle heat management system environment is more comprehensively and truly simulated, the design of vehicle heat management system provides treasured for the later stage
Expensive data can effectively verify the validity of heat management system control strategy.
Further, as shown in Fig. 2, obtaining the temperature value method of motor in the motor cooling circuit simulation model, and
And Fig. 4 is can be found in, Fig. 4 is the simulation model of motor temperature value in motor cooling circuit simulation model, the described method includes：
201st, the specific heat capacity of the heating power value of the motor, the mass value of the motor and the motor is obtained respectively
Value.
202nd, according to the specific heat capacitance of the heating power value of the motor, the mass value of the motor and the motor,
Calculate the temperature value of the motor.
Wherein, the heating power value for the motor that simulation calculation obtains can be including the wasted power value of motor in itself, motor
For coolant and motor to be made to form thermal power value that the water pump of heat exchange taken away and for for motor radiating in cooling circuit
Radiator in the thermal power value taken away of fan and environment to the heat radiation performance number of motor, and the mass value of motor and
The specific heat capacitance of motor can be obtained by modes such as experiment or empirical equations.It specifically, can be by the way that mode be calculated as below
The temperature value of motor is obtained, the heating power value of motor is integrated first, then by the value divided by the matter of motor after integration
The product of magnitude and specific heat capacitance finally obtains the temperature value of motor, so as to truly react the heat production situation of motor, so as to more
Add comprehensively and truly emulation new energy vehicle heat management system environment, and then can effectively verify heat management system control strategy
Validity.
Further, as shown in figure 3, to obtain the method for the heating power value of the motor, and Fig. 4 is can be found in, it should
Method includes：
301st, the heat dissipation of water pump in the wasted power value of the motor, the motor cooling circuit simulation model is obtained respectively
The heat radiation power value and environment of performance number and fan are to the heat radiation performance number of the motor.
Wherein, the wasted power value of the motor, as motor lose in On The Cycle Working Process due to generating heat
Thermal power；The heat radiation power of water pump and the heat radiation power of fan are water pump and fan institute band during motor cools down
The thermal power walked；Environment illustrates the heat radiation performance number of motor that during motor cools down environment temperature is to motor heat
The influence of amount.
Specifically, the method for obtaining motor wasted power value may include steps of：Turned first according to the motor
Speed value and torque value, obtain the efficiency value of the motor and available power value；Wherein, the tachometer value of motor and torque value can lead to
It crosses sensor to obtain, further according to obtained tachometer value and torque value, be searched and the current tachometer value of motor and torque in efficiency table
It is worth corresponding efficiency value, you can the efficiency value of motor is obtained, meanwhile, it can be passed through according to the tachometer value and torque value of motor
FormulaThe available power value of motor is calculated, wherein, p is the available power of motor, and n is the torque of motor, and r is
The rotating speed of motor.Then according to the efficiency value of the motor and available power value, the wasted power value of the motor is calculated；Specifically
Ground can pass through formulaThe wasted power value of motor is calculated, wherein, η is the efficiency value of motor.
Specifically, the heat radiation power value of water pump and the heat radiation power value of fan can in the acquisition motor cooling circuit
To include the following steps：Turn of the tachometer value of water pump and fan in motor cooling circuit can be acquired by sensor first
Speed value, then by inquire about the calorimeter of water pump obtain with the corresponding heat radiation power value of the current tachometer value of water pump, similarly, lead to
The calorimeter for crossing inquiry fan obtains and the corresponding heat radiation power value of the current tachometer value of fan.
Specifically, obtaining the environment temperature can be to the mode of the heat radiation performance number of the motor：Pass through formula
PRadiation=ξ AmotΔ(T4 mot-T4 Ambient) first heat radiation performance number of the environment temperature to motor is calculated, wherein,
PRadiationFor the first heat radiation performance number, ξ is heat radiation constant, herein can be with value 0.73, AmotFor the surface area of motor, Δ
For this fence-Boltzmann constant of making a mistake, TmotFor the temperature of motor, TAmbientFor environment temperature.
302nd, according to the wasted power value of the motor, the heat radiation power value of the water pump, the fan heat radiation power
It is worth the heat radiation performance number to the motor with the environment, calculates the heating power value of the motor.
Specifically, the wasted power value of motor with the first heat radiation performance number can be added, then subtracts the heat dissipation of water pump
The heat radiation power value of performance number and fan, you can obtain the heating power value of motor.Motor temperature provided in an embodiment of the present invention
The simulation calculation mode of value, it is public by the actual heat table and theoretical calculation that combine motor actual efficiency table, water pump and fan
Formula to obtain the final heating power value of motor, can more truly reflect the heat production situation of motor, so as to more comprehensively true
New energy vehicle heat management system environment is emulated on the spot, and then can effectively verify the effective of heat management system control strategy
Property.
Further, as shown in figure 5, to obtain the first temperature of battery pack in the battery pack heating circuit simulation model
The method of value, and Fig. 7 is can be found in, Fig. 7 is the simulation model of the first temperature value of battery pack in battery pack heating circuit simulation model,
The described method includes：
401st, the first heating power value of the battery pack, the mass value of the battery pack and the battery pack are obtained respectively
Specific heat capacitance.
402nd, according to the first heating power value of the battery pack, the mass value of the battery pack and the ratio of the battery pack
Thermal capacitance value calculates the first temperature value of the battery pack.
Wherein, the first heating power value of the battery pack that simulation calculation obtains can include chemical reaction heat production performance number,
Internal resistance of cell heat production performance number and loss reaction heat production performance number, and the specific heat capacitance of the mass value of battery pack and battery pack can be with
It is obtained by modes such as experiment or empirical equations.Specifically, the first temperature of battery pack can be obtained by the way that mode is calculated as below
Angle value first integrates the first heating power value of battery pack, then by the value divided by the mass value of battery pack after integration
With the product of specific heat capacitance, the first temperature value of battery pack is finally obtained, so as to the truly production of reaction cell bag when heated
Enthusiasm condition so as to more comprehensively and truly emulate new energy vehicle heat management system environment, and then can effectively verify heat pipe
Manage the validity of system control strategy.
Further, as shown in fig. 6, to obtain the method for the first heating power value of the battery pack, and it can be found in figure
7, this method includes：
501st, heat in the first heat production performance number of the battery pack, the battery pack heating circuit simulation model is obtained respectively
The heat production performance number and environment temperature of quick resistance are to the first heat radiation performance number of the battery pack.
Wherein, the first heat production performance number of battery pack is battery pack thermal power value caused by itself when heated；Heat
The heat production performance number of quick resistance be thermistor for battery pack heating when generated thermal power value, the first heat radiation performance number
It illustrates when battery pack heats, influence of the environment temperature to battery pack heat.
Specifically, the acquisition modes of the first heat production performance number of battery pack may include steps of：According to the battery
The first chemical reaction heat production performance number, the first internal resistance of cell heat production performance number and the first-loss reaction heat production performance number of bag, meter
Calculate the first heat production performance number of the battery pack.Wherein, the first chemical reaction heat production performance number of battery pack, first internal resistance of cell
Heat production performance number and first-loss reaction heat production performance number specific acquisition modes can be：By single battery be reduced to internal resistance,
The equivalent circuit (referring to Fig. 8) that inductance and RC circuits are serially connected, and the first of battery pack is calculated respectively according to the equivalent circuit
Heat production performance number, the first internal resistance of cell heat production performance number and first-loss reaction heat production performance number are chemically reacted, then first is changed
Learn reaction heat production performance number, the first internal resistance of cell heat production performance number is added with first-loss reaction heat production performance number, you can obtain
First heat production performance number of battery pack.First chemical reaction heat production performance number can pass through formula Pchm=Cchm×IbatIt calculates
It arrives, wherein, PchmTo chemically react heat production performance number, CchmIt for cell constant, is determined by battery fuel, IbatFor battery current；The
One internal resistance of cell heat production performance number can pass through formula Prin=Ibat×Vloss、Vloss=Ucell-Vbat、Ucell=Ncell×Vcell
(SOC)、Vloss=Vri+Vls+Vrc(ct)+Vrc(dif)+VradjAnd Ibat=Iter-IlosIt is calculated, wherein, PrinFor the internal resistance of cell
Heat production performance number, VlossFor the loss voltage of battery, VbatFor battery terminal voltage；First-loss reaction heat production performance number can lead to
Cross formula Plos=Vbat×Iloss、Iloss=I0ekWithIt is calculated, wherein, IlossFor
The loss electric current of battery, K1And K2Respectively clamp voltage constant and thermal constant, VNFor the nominal voltage of single battery, TbatFor electricity
Pond temperature, TNFor nominal temperature.
Specifically, the method for obtaining the heat production performance number of thermistor in the battery pack heating circuit can include
Following steps：According to the tachometer value of water pump in the temperature value of the thermistor and the battery pack heating circuit, described in acquisition
The heat production performance number of thermistor.Thermistor is related with the rotating speed of water pump in heating circuit to the heat production performance number of battery pack,
I.e. when the rotating speed of water pump is slower, the flowing velocity of coolant is slower in heating circuit, and the speed of heat exchange is slower so that temperature-sensitive
Resistance is slower to the firing rate of battery pack, and when the rotating speed of water pump is faster, the flowing velocity of coolant is faster in heating circuit,
The speed of heat exchange is faster so that and thermistor is faster to the firing rate of battery pack, therefore, the heat production performance number of thermistor
It needs to be obtained according to the temperature value of thermistor itself and the tachometer value of water pump, it specifically can be according to the temperature value of thermistor
With the tachometer value of water pump, the corresponding heat production of tachometer value with the temperature value and water pump of current thermistor is searched in power meter
Performance number is the heat production performance number of thermistor in battery pack heating circuit.Wherein, the temperature value of thermistor can pass through
FormulaAnd Qflx=A1×a×(T1-Tamb) be calculated, δ TptcFor the temperature of thermistor
Value, V and R are respectively the voltage and resistance of thermistor, QflxIt is the heat radiation of ambient thermistor, A1It is respectively temperature-sensitive electricity with a
The surface area and heat transfer coefficient of resistance, T1For the Current Temperatures of thermistor, TambFor environment temperature.
Specifically, the acquisition environment temperature can include such as the method for the second heat radiation performance number of the battery pack
Lower step, according to environment temperature, computing environment can specifically pass through formula Q to the second heat radiation performance number of battery packflx=
A2×a×(T2-Tamb) be calculated, wherein, A2It is respectively the surface area and heat transfer coefficient of battery pack with a, T2For battery pack
Current Temperatures.
502nd, according to the first heat production performance number of the battery pack, the heat production performance number of the thermistor and described first
Heat radiation performance number calculates the first heating power value of the battery pack.
Specifically, the first heat production performance number of battery pack with the heat production performance number of thermistor can be added, then subtracted
Environment is to the first heat radiation thermal power value of battery pack, you can obtains the first heating power value of battery pack.The embodiment of the present invention
The simulation calculation mode of battery pack temperature value in the battery pack heating circuit of offer, by considering environment to thermistor heat production
Influence, when the influence that thermistor and environment heats battery pack and battery pack heat itself heat production influence, and combine and manage
By calculation formula, the temperature value of battery pack in battery pack heating circuit is calculated in comprehensive simulating, can more truly reflect
The heat production situation of battery pack, so as to more comprehensively and truly emulate new energy vehicle heat management system environment, and then can be effective
Verify the validity of heat management system control strategy in ground.
Further, as shown in figure 9, to obtain the second temperature of battery pack in the battery pack cooling circuit simulation model
The method of value, and Figure 11 is can be found in, Figure 11 is the emulation mould of battery pack second temperature value in battery pack cooling circuit simulation model
Type, the described method includes：
601st, the second heating power value of the battery pack, the mass value of the battery pack and the battery pack are obtained respectively
Specific heat capacitance.
602nd, according to the second heating power value of the battery pack, the mass value of the battery pack and the ratio of the battery pack
Thermal capacitance value calculates the second temperature value of the battery pack.
Wherein, the second heating power value of the battery pack that simulation calculation obtains can include chemical reaction heat production performance number,
Internal resistance of cell heat production performance number and loss reaction heat production performance number, and the specific heat capacitance of the mass value of battery pack and battery pack can be with
It is obtained by modes such as experiment or empirical equations.Specifically, the second temperature of battery pack can be obtained by the way that mode is calculated as below
Angle value first integrates the second heating power value of battery pack, then by the value divided by the mass value of battery pack after integration
With the product of specific heat capacitance, the second temperature value of battery pack is finally obtained, so as to the truly production of reaction cell bag while cooling
Enthusiasm condition so as to more comprehensively and truly emulate new energy vehicle heat management system environment, and then can effectively verify heat pipe
Manage the validity of system control strategy.
Further, as shown in Figure 10, to obtain the method for the second heating power value of the battery pack, and it can be found in figure
11, this method includes：
701st, obtain and pressed in the second heat production performance number of the battery pack, the battery pack refrigerating circuit simulation model respectively
The heat radiation power value and environment temperature of contracting machine are to the second heat radiation performance number of the battery pack.
Wherein, the second heat production performance number of battery pack is battery pack thermal power value caused by itself while cooling；Pressure
The heat radiation power value of contracting machine is the thermal power value taken away when compressor is radiated by battery pack, and the second heat radiation performance number represents
When battery pack cools down, influence of the environment temperature to battery pack heat.
Specifically, the acquisition modes of the second heat production performance number of battery pack may include steps of：According to the battery
The second chemical reaction heat production performance number, the second internal resistance of cell heat production performance number and the second loss reaction heat production performance number of bag, meter
Calculate the second heat production performance number of the battery pack.Wherein, the second chemical reaction heat production performance number of battery pack, second internal resistance of cell
Heat production performance number and the second specific acquisition modes for losing reaction heat production performance number can be：By single battery be reduced to internal resistance,
The equivalent circuit (referring to Fig. 8) that inductance and RC circuits are serially connected, and the second of battery pack is calculated respectively according to the equivalent circuit
Heat production performance number, the second internal resistance of cell heat production performance number and the second loss reaction heat production performance number are chemically reacted, then second is changed
Learn reaction heat production performance number, the second internal resistance of cell heat production performance number is added with the second loss reaction heat production performance number, you can obtain
Second heat production performance number of battery pack.Second chemical reaction heat production performance number can pass through formula Pchm=Cchm×IbatIt calculates
It arrives, wherein, PchmFor chemical reaction heat performance number, CchmIt for cell constant, is determined by battery fuel, IbatFor battery current；Second
Internal resistance of cell heat production performance number can pass through formula Prin=Ibat×Vloss、Vloss=Ucell-Vbat、Ucell=Ncell×Vcell
(SOC)、Vloss=Vri+Vls+Vrc(ct)+Vrc(dif)+VradjAnd Ibat=Iter-IlosIt is calculated, wherein, PrinFor the internal resistance of cell
Heat production power, VlossFor the loss voltage of battery, VbatFor battery terminal voltage；Second loss reaction heat production performance number can pass through
Formula Plos=Vbat×Iloss、Iloss=I0ekWithIt is calculated, wherein, IlossFor electricity
The loss electric current in pond, K1And K2Respectively clamp voltage constant and thermal constant, VNFor the nominal voltage of single battery, TbatFor battery
Temperature, TNFor nominal temperature.
Specifically, the heat radiation power value for obtaining compressor in the battery pack refrigerating circuit simulation model can pass through
The voltage and resistance calculations of compressor are drawn.
Specifically, the acquisition environment temperature can wrap the method for the second heat radiation performance number of the battery pack
Following steps are included, according to environment temperature, computing environment can specifically pass through formula to the second heat radiation performance number of battery pack
Qflx=A2×a×(T2-Tamb) be calculated, wherein, A2It is respectively the surface area and heat transfer coefficient of battery pack with a, T2For electricity
The Current Temperatures of Chi Bao, TambFor environment temperature.
702nd, according to the second heat production performance number of the battery pack, the heat radiation power value of the compressor and second heat
Radiation power value calculates the second heating power value of the battery pack.
It specifically, can be by the second heat production performance number of battery pack and environment to the 3rd heat radiation thermal power value of battery pack
It is added, then subtracts the heat radiation power value of compressor, you can obtain the second heating power value of battery pack.The embodiment of the present invention provides
Battery pack cooling circuit in battery pack temperature value simulation calculation mode, by the heat dissipation influence, the environment pair that consider compressor
The influence of itself heat production when the influence of battery pack refrigeration and battery pack are freezed, and binding isotherm calculation formula, comprehensive simulating meter
Calculation obtains the temperature value of battery pack in battery pack cooling circuit, can more truly reflect the heat production situation of battery pack, so as to
New energy vehicle heat management system environment is more comprehensively and truly emulated, and then can effectively verify that heat management system controls plan
Validity slightly.
Further, as shown in figure 12, it is first in crew module in acquisition crew module's refrigerating circuit simulation model
The method of temperature value, and Figure 15 is can be found in, Figure 15 is the first temperature value in crew module in crew module's refrigerating circuit simulation model
Simulation model, the described method includes：
801st, the heat radiation performance number of passenger in the crew module, crew module's refrigerating circuit simulation model are obtained respectively
The temperature value at middle ducting outlet end, environment are to the heat radiation performance number of crew module's bulkhead and crew module's bulkhead and environment
Conduction thermal power value.
Different from the air-conditioning system of the engine of conventional truck, the engine of new energy vehicle is driven by V belt translation to be compressed
Machine works, and compressor directly uses the high pressure of battery pack as electric power system.The air-conditioning system includes compressor, air blower, system
Refrigerant circuit, air passage, front and rear crew module；Therefore, the temperature of crew module by environment temperature, air-conditioning system heat exchange, air blower and
The factors such as crew module space and passengers quantity determine.
The quantity of passenger, the temperature at crew module's ducting outlet end, environment are to crew module cabin in temperature and cabin in crew module
The heat radiation of wall and crew module's bulkhead are related with the conduction heat of environment, and therefore, the embodiment of the present invention by getting respectively
Passengers quantity, ducting outlet end temperature, environment are to the heat radiation of crew module's bulkhead and the biography of crew module's bulkhead and environment in cabin
Then heat conduction amount integrates these data the temperature in crew module cabin is calculated, i.e. the physics from actual heat management circuit is special
Property set out, to calculate the temperature in crew module so that result of calculation is closer to actual conditions, so as to which truly reaction crew module exists
Heat production situation during cooling, so as to more comprehensively and truly emulate new energy vehicle heat management system environment, and then can be effective
Verify the validity of heat management system control strategy in ground.
802nd, said according to the heat radiation value of passenger, crew module's refrigerating circuit simulation model apoplexy in the crew module
Temperature value, the environment at mouth end are warm to the heat radiation performance number of crew module's bulkhead and the conduction of crew module's bulkhead and environment
Performance number calculates the first temperature value in the crew module according to the first preset formula.First preset formula can be：
Tout=Tduct+(Pp+Pw1+Pex)/(mall×C1), wherein, ToutFor the temperature in crew module, TductFor the temperature at ducting outlet end
Degree, PpFor the heat radiation power of passenger in crew module, Pw1It is environment to the heat radiation performance number of crew module's bulkhead, PexFor crew module
Bulkhead is in the conduction thermal power of environment, mallFor the gross mass of crew module, C1For the specific heat capacity of crew module.
Specifically, the heat radiation performance number of passenger can estimate a constant P, example according to the weight of passenger in crew module
Such as, the heat radiation value of each passenger is estimated as 79W, then the constant that this is estimated is multiplied by the quantity n of occupant, i.e., foregoing crew module
The heat radiation value of interior passenger can pass through formula Pp=n × P is calculated.
Specifically, environment can pass through formula to the 4th heat radiation performance number of crew module's bulkhead
Pw1=(Aw×Kw+As×Ks)×(Tabm 4-Tout 4) be calculated, wherein, Pw1For the 4th heat radiation power, AwTo multiply
Member cabin glass window area, KwFor crew module's glass window heat emissivity coefficient, AsFor the area of crew module's metal part, KsFor gold
Belong to heat emissivity coefficient, TabmFor environment temperature, ToutFor the temperature in crew module；
Specifically, the conduction thermal power value of crew module's bulkhead and environment can pass through formula
Pex=Ck×A(Tabm-Tout), wherein, PexFor environment and the heat conduction power of crew module's bulkhead, CkFor crew module's bulkhead
Thermal conductivity factor, A be crew module's bulkhead surface area, TabmFor environment temperature, ToutFor the temperature in crew module.
Further, as shown in figure 13, it is the temperature at ducting outlet end in acquisition crew module's refrigerating circuit simulation model
The method of angle value, and Figure 15 is can be found in, this method includes：
901st, the air passage wall surface temperature value is obtained respectively, the wind path wall surface area values, the crew module are freezed back
Heat exchange temperature value in the simulation model of road, environment are led to the heat radiation performance number of the wind path wall and the wind path wall and environment
Thermal power value.
The temperature at ducting outlet end is related with the physical characteristic of wind path wall in crew module's refrigerating circuit simulation model, such as air passage
The heat exchange temperature of refrigerant circuit in the surface area of wall, the temperature of wind path wall, crew module's refrigerating circuit, border are to the heat of wind path wall
Radiation and wind path wall are related with the heat conduction of environment, and therefore, the embodiment of the present invention obtains the wind respectively by getting respectively
Heat exchange temperature, environment are to the wind path wall in road wall surface temperature, the wind path wall surface area, crew module's refrigerating circuit
Heat radiation power and the heat conduction power of the wind path wall and environment, then integrate these data come be calculated crew module refrigeration
The temperature value at ducting outlet end in loop simulation model, i.e., further from the physical characteristic in actual heat management circuit, to count
Calculate the temperature in crew module so that result of calculation is closer to actual conditions, so as to truly react the production of crew module while cooling
Enthusiasm condition so as to more comprehensively and truly emulate new energy vehicle heat management system environment, and then can effectively verify heat pipe
Manage the validity of system control strategy.
902nd, imitated according to the air passage wall surface temperature value, the wind path wall surface area values, crew module's refrigerating circuit
Heat exchange temperature value, environment are to the heat radiation performance number of the wind path wall and the conduction heat of the wind path wall and environment in true mode
Performance number；The temperature value at ducting outlet end in crew module's refrigerating circuit simulation model is calculated according to the second preset formula；Institute
Stating the second preset formula is：Wherein, TductFor ducting outlet end temperature, TinFor heat
Exchange temperature, P be air heat temperature coefficient, A be wind path wall surface area, n be air passage quantity, maTo blast air quality, C2For sky
The specific heat capacity of gas, TwFor air passage wall surface temperature,
K1For heat exchange coefficient, a is radiation coefficient, PRaFor wind path wall and the heat conduction power of environment, Pw2It is environment to the hot spoke of wind path wall
Penetrate power, C3For the specific heat capacity of wind path wall, mductFor the quality of wind path wall.Wherein, wind path wall surface area values can be according to air passage
Radius and length computation obtain；The heat conduction power of wind path wall and environment can pass through formula PRa=A × b × (Tw-Tabm), b is spoke
Penetrate factor, TabmFor environment temperature.Environment can pass through formula P to the heat radiation performance number of wind path wallw2=A × ξ × Δ ×
(Tw 4-Tabm 4), ξ is heat radiation constant, and Δ is this fence-Boltzmann constant of making a mistake.
Further, as shown in figure 14, heat exchange temperature in crew module's refrigerating circuit simulation model is obtained to be described
The method of value, and Figure 15 is can be found in, this method includes：
1001st, blast and multiply according to the heat radiation power value of compressor, air blower in crew module's refrigerating circuit simulation model
The mass value of air and the specific heat capacitance of air in member cabin calculate the air blower according to the 3rd preset formula and blast in crew module
The temperature value of air；3rd preset formula is：Ta=Pcom/(C2×ma), wherein, TaTo blast air themperature, PcomFor pressure
The heat radiation power of contracting machine, C2For the specific heat capacity of air, maTo blast air quality.
1002nd, the temperature of the temperature value of air and crew module's inner circulating air in crew module is blasted according to the air blower
The temperature value and mass value of angle value and mass value or crew module's outer circulation air calculate the crew module according to the 4th preset formula
Heat exchange temperature value in refrigerating circuit simulation model；4th preset formula is：Tin=(ma×Ta+mla×Tla)/mall,
In, TinFor heat exchange temperature, mlaFor circulation air quality, TlaFor recyclegas temperature, mallFor the gross mass of air.
Compressor of the heat exchange of refrigerant circuit by air-conditioning system, environment temperature in crew module's refrigerating circuit simulation model
It is determined with the throughput of heat exchange, the heat exchange temperature of refrigerating circuit simulation model can be obtained according to these data.
Specifically, compressor is controlled by entire car controller target torque, substantially by a permanent magnet synchronous motor and is born
Carry composition；The mechanical energy of compressor is determined by the working condition of entire car controller distribution power and fan：The heat dissipation work(of compressor
Rate can pass through formula Pcom=Fst×Ccmp×PVCUIt is calculated, and F during fan closingstValue 0, value 1 during work；Compression
C when organ closescmpValue 0, value 1 when work is freezed.
Specifically, air blower is a direct current generator, and the air quality that air blower blasts crew module can be by formulaTorque, the magnetic flux of direct current generator and DC motor rotor electric current can be calculated
Its rotational speed omega；And the rotational speed omega of direct current generator decides the quality of convection gas：ω=nFan, maFor
Air blower blasts air quality；nFanFor blower speed；mnomFor the blow rate required under air blower nominal speed；nnomFor air blower mark
Claim rotating speed, air quality in crew module is blasted so as to which air blower be calculated according to the rotating speed of motor.
In technical solution provided in an embodiment of the present invention, motor cooling circuit simulation model, battery pack heating circuit are preset
Simulation model, battery pack cooling circuit simulation model, crew module's refrigerating circuit simulation model, crew module heat loop simulation model
After engine cooling circuit simulation model, by obtaining the temperature value of motor, battery pack in corresponding circuit simulation model respectively
The first temperature value, the second temperature value of battery pack, the temperature value in crew module, the second temperature value in crew module and start
The temperature value of machine, and all temperature values got are sent to entire car controller, corresponding circuit is emulated by entire car controller
Temperature-controlled member in model is controlled, so as to verify the control strategy of new energy vehicle heat management system, with prior art phase
Than the present invention obtains multiple temperature values of heat generating components in each cooling circuit and heating circuit in heat management system so that
Entire car controller can control the temperature-controlled member in each corresponding circuit simulation model according to the plurality of temperature value, so as to
New energy vehicle heat management system environment is more comprehensively and truly simulated, the design of vehicle heat management system provides treasured for the later stage
Expensive data can effectively verify the validity of heat management system control strategy.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can readily occur in change or replacement, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (14)
1. a kind of emulation mode of new energy vehicle heat management system, which is characterized in that including：
Default motor cooling circuit simulation model, battery pack heating circuit simulation model, multiply battery pack cooling circuit simulation model
Member's cabin refrigerating circuit simulation model, crew module heat loop simulation model and engine cooling circuit simulation model；
The temperature value of motor in the motor cooling circuit simulation model, the battery pack heating circuit simulation model are obtained respectively
The second temperature value of battery pack, the occupant in first temperature value of middle battery pack, the battery pack refrigerating circuit simulation model
The first temperature value, the crew module in cabin refrigerating circuit simulation model in crew module are heated in loop simulation model in crew module
Second temperature value and the engine cooling circuit simulation model in engine temperature value；
By first in the temperature value of the motor, the first temperature value of the battery pack and second temperature value, the crew module
Temperature value and the temperature value of second temperature value and the engine are sent to the entire car controller of the new energy vehicle；
The entire car controller is according to the temperature value of the motor, the first temperature value of the battery pack and second temperature value, institute
The first temperature value and the temperature value of second temperature value and the engine in crew module are stated, in corresponding circuit simulation model
Thermal component controlled.
2. according to the method described in claim 1, it is characterized in that, obtain motor in the motor cooling circuit simulation model
Temperature value includes：
The specific heat capacitance of the heating power value of the motor, the mass value of the motor and the motor is obtained respectively；
According to the specific heat capacitance of the heating power value of the motor, the mass value of the motor and the motor, described in calculating
The temperature value of motor.
3. according to the method described in claim 2, it is characterized in that, the heating power value for obtaining the motor includes：
Obtain respectively in the wasted power value of the motor, the motor cooling circuit simulation model heat radiation power value of water pump and
The heat radiation power value of fan and environment are to the heat radiation performance number of the motor；
According to the wasted power value of the motor, the heat radiation power value of the water pump, the heat radiation power value of the fan and described
Environment calculates the heating power value of the motor to the heat radiation performance number of the motor.
4. according to the method described in claim 3, it is characterized in that, the wasted power value for obtaining the motor includes：
According to the tachometer value and torque value of the motor, the efficiency value of the motor and available power value are obtained；
According to the efficiency value of the motor and available power value, the wasted power value of the motor is calculated.
5. according to the method described in claim 1, it is characterized in that, obtain battery in the battery pack heating circuit simulation model
First temperature value of bag includes：
The first heating power value, the mass value of the battery pack and the specific heat capacity of the battery pack of the battery pack are obtained respectively
Value；
According to the first heating power value of the battery pack, the mass value of the battery pack and the specific heat capacitance of the battery pack,
Calculate the first temperature value of the battery pack.
6. the according to the method described in claim 5, it is characterized in that, first heating power value bag for obtaining the battery pack
It includes：
The heat production power of thermistor in the first heat production performance number of the battery pack, the battery pack heating circuit is obtained respectively
Value and environment temperature are to the first heat radiation performance number of the battery pack；
According to the first heat production performance number, the heat production performance number of the thermistor and the environment temperature of the battery pack to institute
The first heat radiation performance number of battery pack is stated, calculates the first heating power value of the battery pack.
7. the according to the method described in claim 6, it is characterized in that, first heat production performance number bag for obtaining the battery pack
It includes：
It is anti-according to the first of the battery pack the chemical reaction heat production performance number, the first internal resistance of cell heat production performance number and first-loss
Heat production performance number is answered, calculates the first heat production performance number of the battery pack.
8. according to the method described in claim 6, it is characterized in that, described obtain in the battery pack heating circuit simulation model
The heat production performance number of thermistor includes：
According to the tachometer value of water pump in the temperature value of the thermistor and the battery pack heating circuit simulation model, institute is obtained
State the heat production performance number of thermistor.
9. according to the method described in claim 1, it is characterized in that, obtain battery in the battery pack cooling circuit simulation model
The second temperature value of bag includes：
The second heating power value, the mass value of the battery pack and the specific heat capacity of the battery pack of the battery pack are obtained respectively
Value；
According to the second heating power value of the battery pack, the mass value of the battery pack and the specific heat capacitance of the battery pack,
Calculate the second temperature value of the battery pack.
10. the according to the method described in claim 9, it is characterized in that, second heating power value for obtaining the battery pack
Including：
Dissipating for compressor in the second heat production performance number of the battery pack, the battery pack refrigerating circuit simulation model is obtained respectively
Thermal power value and environment temperature are to the second heat radiation performance number of the battery pack；
According to the second heat production performance number, the heat radiation power value of the compressor and the environment temperature of the battery pack to described
Second heat radiation performance number of battery pack calculates the second heating power value of the battery pack.
11. the according to the method described in claim 10, it is characterized in that, second heat production performance number for obtaining the battery pack
Including：
It is anti-according to the second of the battery pack the chemical reaction heat production performance number, the second internal resistance of cell heat production performance number and the second loss
Heat production performance number is answered, calculates the second heat production performance number of the battery pack.
12. according to the method described in claim 1, multiply it is characterized in that, obtaining in crew module's refrigerating circuit simulation model
The first temperature value in member cabin includes：
The heat radiation performance number of passenger in the crew module is obtained respectively, crew module's refrigerating circuit simulation model apoplexy is said
Temperature value, the environment at mouth end are warm to the heat radiation performance number of crew module's bulkhead and the conduction of crew module's bulkhead and environment
Performance number；
According to the temperature at ducting outlet end in the heat radiation value of passenger, crew module's refrigerating circuit simulation model in the crew module
Angle value, the environment are to the heat radiation performance number of crew module's bulkhead and the heat conduction power of crew module's bulkhead and environment
Value calculates the first temperature value in the crew module according to the first preset formula；
First preset formula is：Tout=Tduct+(Pp+Pw1+Pex)/(mall×C1), wherein, ToutFor the temperature in crew module
Degree, TductFor the temperature at ducting outlet end, PpFor the heat radiation power of passenger in crew module, Pw1It is environment to crew module's bulkhead
Heat radiation power, PexFor crew module's bulkhead and the heat conduction power of environment, mallFor the gross mass of crew module, C1For the ratio of crew module
Thermal capacitance.
13. according to the method for claim 12, which is characterized in that described to obtain crew module's refrigerating circuit simulation model
The temperature value at middle ducting outlet end includes：
Heat friendship in the air passage wall surface temperature value, the wind path wall surface area values, crew module's refrigerating circuit is obtained respectively
Temperature value, environment are changed to the heat conduction performance number of the heat radiation performance number of the wind path wall and the wind path wall and environment；
According in the air passage wall surface temperature value, the wind path wall surface area values, crew module's refrigerating circuit simulation model
Heat exchange temperature value, the environment are to the heat conduction power of the heat radiation performance number of the wind path wall and the wind path wall and environment
Value calculates the temperature value at ducting outlet end in crew module's refrigerating circuit simulation model according to the second preset formula；
Second preset formula is：Wherein, TductFor ducting outlet end temperature, TinFor
Heat exchange temperature, P be air heat temperature coefficient, A be wind path wall surface area, n be air passage quantity, maTo blast air quality, C2For sky
The specific heat capacity of gas, TwFor air passage wall surface temperature,
K1For heat exchange coefficient, a is radiation coefficient, PRaIt is environment to the heat radiation power of wind path wall, Pw2For leading for wind path wall and environment
Thermal power, C3For the specific heat capacity of wind path wall, mductFor the quality of wind path wall.
14. according to the method for claim 13, which is characterized in that described to obtain crew module's refrigerating circuit simulation model
Middle heat exchange temperature value includes：
Air in crew module is blasted according to the heat radiation power value of compressor, air blower in crew module's refrigerating circuit simulation model
Mass value and air specific heat capacitance, calculate the temperature that the air blower blasts air in crew module according to the 3rd preset formula
Value；
The temperature value and quality of the temperature value of air and crew module's inner circulating air in crew module are blasted according to the air blower
The temperature value and mass value of value or crew module's outer circulation air calculate crew module's refrigerating circuit according to the 4th preset formula and imitate
Heat exchange temperature value in true mode；
3rd preset formula is：Ta=Pcom/(C2×ma), wherein, TaTo blast air themperature, PcomFor the heat dissipation of compressor
Power, C2For the specific heat capacity of air, maTo blast air quality；
4th preset formula is：Tin=(ma×Ta+mla×Tla)/mall, wherein, TinFor heat exchange temperature, mlaFor Xun Huan
Air quality, TlaFor circulating air temperature, mallFor the gross mass of air.
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