CN209308877U - A kind of heat management system - Google Patents
A kind of heat management system Download PDFInfo
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- CN209308877U CN209308877U CN201821587103.2U CN201821587103U CN209308877U CN 209308877 U CN209308877 U CN 209308877U CN 201821587103 U CN201821587103 U CN 201821587103U CN 209308877 U CN209308877 U CN 209308877U
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Abstract
Heat management system disclosed by the utility model includes that engine and the engine are set to the heat pump air conditioner of the same space, the controller being separately connected with the engine, the heat pump air conditioner；The controller is in operating mode for controlling to start the engine and control the heat pump air conditioner；The heat pump air conditioner during engine cold-start, control heat pump air conditioner to engine heat, instead of in the prior art by ptc heater engine is heated in the way of, may be implemented that engine temperature is efficiently risen to start-up temperature, reduce system power dissipation.
Description
Technical field
The utility model belongs to technical field of engines more particularly to a kind of heat management system.
Background technique
In fuel battery engines low-temperature cool starting, fuel battery engines are heated by heat management system, so that
Fuel battery engines raise the temperature to start-up temperature in the given time, realize the starting of fuel battery engines；But
The heating method that the heat management system of fuel battery engines uses in the prior art is adds by ptc heater to engine
Heat leads to system power dissipation height.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of heat management system, to overcome existing heat management system
The high problem of power consumption.
For this purpose, the utility model is disclosed directly below technical solution:
A kind of heat management system, comprising:
Engine；
The heat pump air conditioner of the same space is set to the engine；
The controller being separately connected with the engine, the heat pump air conditioner；
The controller is in operating mode for controlling to start the engine and control the heat pump air conditioner；
The heat pump air conditioner, for heating the engine during being cold-started the engine.
Above-mentioned heat management system, it is preferred that further include:
The ptc heater being separately connected with the engine, controller；
The ptc heater, for assisting the heat pump air conditioner to heat the engine.
Above-mentioned heat management system, it is preferred that further include:
The heat pump air conditioner is also used to the engine that freezes in the engine operation process.
Above-mentioned heat management system, it is preferred that further include:
The radiator being separately connected with the engine, controller；
The radiator, for assisting the heat pump air conditioner to start mechanism cold to described.
Above-mentioned heat management system, it is preferred that the heat pump air conditioner includes:
Four-way valve；
The compressor that output end is connect with the four-way valve first end, the input terminal of the compressor and the four-way valve
The connection of third end；
The First Heat Exchanger that first end is connect with the four-way valve second end；
The second heat exchanger that first end is connect with the 4th end of four-way valve；
The throttling set being connect respectively with the second end of the second end of the First Heat Exchanger and second heat exchanger.
Above-mentioned heat management system, it is preferred that the heat pump air conditioner for being set to the same space with the engine includes:
Second heat exchanger and the engine are arranged in the same space.
Above-mentioned heat management system, it is preferred that the controller connecting with the heat pump air conditioner includes:
The controller is connect with the four-way valve, the compressor and the throttling set respectively.
To sum up, heat management system disclosed by the utility model includes heat pump air conditioner, during engine cold-start, control
Heat pump air conditioner to engine heat, instead of in the prior art by ptc heater engine is heated in the way of, height may be implemented
Engine temperature is risen to start-up temperature by effect ground, reduces system power dissipation.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of structural schematic diagram of heat management system disclosed in the utility model embodiment one；
Fig. 2 is another structural schematic diagram of heat management system disclosed in the utility model embodiment two；
Fig. 3 is the schematic diagram that heat pump air conditioner disclosed by the utility model is under refrigeration work mode；
Fig. 4 is the schematic diagram that heat pump air conditioner disclosed by the utility model is under heating work mode.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment one
The utility model embodiment one discloses a kind of heat management system, and with reference to Fig. 1, which includes engine 1；
Specifically, engine 1 is fuel oil battery engine；
The heat pump air conditioner 2 of the same space is set to engine 1；
Specifically, since the working medium of the coolant liquid of fuel oil battery engine and heat pump air conditioner 2 cannot be general, it will be hot
It pumps air-conditioning 2 and engine 1 is arranged in the same space, and in structure and be not connected to, carry out heat simply by the mode of heat exchange
The transmitting of amount.
The controller 3 being separately connected with engine 1, heat pump air conditioner 2；
Specifically, controller 3 can select MCU；Controller 3 can be integrated with engine 1, can also be independently of
Engine 1 is arranged；
Controller 3 is for controlling starting engine 1 and controlling the work of heat pump air conditioner 2；
Specifically, controller 3 is after receiving engine cold-start instruction, control starting engine 1；Wherein, engine 1
Temperature rise to start-up temperature and could start；
Controller 3 is connect with heat pump air conditioner 2, for controlling 2 work of heat pump air conditioner after receiving engine cold-start instruction
Make, and then engine 1 is heated using heat pump air conditioner 2.
Heat pump air conditioner 2 is used for the heated engine 1 during being cold-started engine 1.
In the present embodiment heat pump air conditioner 2 be so that heat is flowed to the energy saver of high temperature heat source by low-temperature heat source, can be with
Lesser power realizes the function of relatively high power heating and heat dissipation, therefore can efficiently and fast rise to engine temperature and open
Dynamic temperature.Compared in such a way that ptc heater is to engine heating, system power dissipation is reduced.
To sum up, heat management system disclosed in the present application includes heat pump air conditioner, during engine cold-start, controls heat pump
Air-conditioning to engine heat, instead of in the prior art by ptc heater engine is heated in the way of, may be implemented efficiently
Engine temperature is risen into start-up temperature, reduces system power dissipation.
Embodiment two
With reference to Fig. 2, in the present embodiment two, the heat management system is on the basis of example 1, further includes:
The ptc heater 4 being connect respectively with engine 1, controller 3；
Ptc heater 4 heats engine 1 for assisted heat pump air-conditioning；
Specifically, in practical applications, when being in fuel battery engines low-temperature cool starting, if vehicle is capable of providing heat
Amount, such as motor, electric machine controller provide waste heat, and the heat magnitude that controller 3 is provided according to vehicle determines heat pump sky
Adjust 2 heating power；And according to the start-up temperature and preset time of engine Current Temperatures, engine, determine when default
Between engine risen into heating power required for start-up temperature；Judge the heating power of heat pump air conditioner 2 whether be more than or equal to by
Engine rises to heating power required for start-up temperature；If judging, the heating power of heat pump air conditioner 2 is greater than or equal to and will start
Machine rises to heating power required for start-up temperature, then only control heat pump air conditioner 2 heats engine 1；If judging heat pump
The heating power of air-conditioning 2, which is less than, rises to heating power required for start-up temperature, i.e. adding only in accordance with heat pump air conditioner 2 for engine
Engine cannot be risen to start-up temperature in the given time by thermal power, then calculates and engine is risen to starting temperature in the predetermined time
The difference of the heating power of heating power required for spending and heat pump air conditioner 2, heating power needed for obtaining ptc heater 4, and press
Engine 1 is heated according to the control ptc heater 4 of heating power needed for the ptc heater 4 being calculated, realizes benefit
It is heated jointly for engine with heat pump air conditioner 2 and ptc heater 4.
It should be noted that engine is risen to required for start-up temperature if judging that the heating power of heat pump air conditioner 2 is greater than
Heating power, e.g., the heating power of heat pump air conditioner 2 is 100W, and engine temperature is risen to start-up temperature in the predetermined time
Required heating power is 80W, then according to engine temperature is risen to heating required for start-up temperature in the given time
Power, control heat pump air conditioner 2 heat engine, without making heat pump air conditioner 2 work according to maximum heating power, into one
Step reduces system power dissipation.
Conversely, if judging that the heating power of heat pump air conditioner 2 is less than to rise in engine heats function required for start-up temperature
Rate, e.g., the heating power of heat pump air conditioner 2 are 80W, and rise to required for start-up temperature engine temperature in the predetermined time and add
Thermal power is 100W, then calculates the heating power 80W of heat pump air conditioner 2 and engine temperature is risen to start-up temperature in the predetermined time
The difference of required heating power 100W, heating power 20W needed for obtaining ptc heater 4, in such cases, control heat
It pumps air-conditioning 2 and engine is heated according to maximum heating power 80W, and control ptc heater 4 simultaneously according to the heating power of 20W
Engine is heated.
In the present embodiment, heat pump air conditioner 2 is also used to the refrigeration engine 1 in 1 operational process of engine；
Specifically, in fuel battery engines operational process, engine 1 can generate amount of heat, need to engine 1
It is cooled down.Heat pump air conditioner 2 is so that heat is flowed to the energy saver of high temperature heat source by low-temperature heat source in the present embodiment, and heat pump is empty
The operating mode for adjusting 2 includes heating operating mode and refrigeration work mode, and using heat pump air conditioner 2, this device both may be implemented to make
Heat-production functions also may be implemented in cold function.
Under engine cold-start operating condition, engine 1 is heated using heat pump air conditioner 2；
Under engine operation condition, freezed using heat pump air conditioner 2 to engine 1.
When generating amount of heat due to engine, engine 1 can not be cooled to regulation temperature only in accordance with heat pump air conditioner 2
Degree needs to realize the cooling to engine 1 jointly using other radiator assisted heat pump air-conditionings in such cases.
Based on this, heat management system further includes the radiator 5 being separately connected with engine 1, controller 3 in the present embodiment；
Radiator 5, in engine operation process, assisted heat pump air-conditioning 2 to freeze to engine 1.
When specifically, in practical applications, in fuel battery engines operational process, fuel cell engine
Temperature difference, coolant liquid specific heat capacity and the current coolant liquid mass flow calculation of pile coolant liquid inlet and outlet obtain the production of engine
Heat, the quantity of heat production size being calculated herein is identical as heat dissipation capacity size, and being calculated after the quantity of heat production of engine can be true
Determine heat dissipation capacity；And the difference of fuel cell internal operating temperature and environment temperature, the heat dissipation capacity of heat pump air conditioner is calculated,
That is the heat that heat pump air conditioner can distribute in the unit time, it is generally the case that fuel battery inside operating temperature and environment temperature
The heat dissipation capacity proportional of temperature difference and heat pump air conditioner between degree；Determine the heat dissipation capacity of heat pump air conditioner 2 whether be greater than or
Equal to the quantity of heat production of engine 1；If it is determined that the heat dissipation capacity of heat pump air conditioner 2 is greater than or equal to the quantity of heat production of engine 1, then it is assumed that benefit
The heat that engine generates can be distributed with heat pump air conditioner, and then be controlled by engine cool to predetermined temperature, and then only
Heat pump air conditioner 2 processed freezes to engine 1；If it is determined that the heat dissipation capacity of heat pump air conditioner 2 is less than the quantity of heat production of engine 1, then recognize
For that can not distribute the heat that engine generates using heat pump air conditioner, and then need to further calculate heat pump air conditioner 2
The heat difference of the quantity of heat production of heat dissipation capacity and engine 1, obtains the heat dissipation capacity of radiator 5, and according to the heat dissipation capacity control of radiator 5
Radiator 5 processed radiates to engine 1, realizes that using heat pump air conditioner 2 and radiator 5 be to start mechanism cold jointly.
The structure of heat pump air conditioner 2 used by the present embodiment is described in detail below and realizes heating function, refrigerating function
Working principle.
Heat pump air conditioner 2 includes four-way valve 201, compressor 202, First Heat Exchanger 203, the second heat exchanger in the present embodiment
204 and throttling set 205；
Wherein, the output end of compressor 202 is connect with the first end of four-way valve 201, the input terminal and four-way of compressor 202
The third end of valve 201 connects；
The first end of First Heat Exchanger 203 is connect with the second end of four-way valve 201；
The first end of second heat exchanger 204 is connect with the 4th end of four-way valve 201；
The first end of throttling set 205 is connect with the second end of First Heat Exchanger 203, the second end of throttling set 205 with
The second end of second heat exchanger 204 connects.
It is shown in Figure 3, it is the schematic diagram under heat pump air conditioner 2 is in refrigeration mode.
The high temperature and pressure being discharged from compressor 202 is crossed hot working fluid and is entered in the second heat exchanger through four-way valve 201 first,
In, the second heat exchanger 204 in cooling mode be condenser, working medium within the condenser by the heat loss of carrying into environment,
Become the subcooled liquid of medium temperature high pressure；Then working medium flows through throttling set, becomes entering after the gas-liquid mixture of low-temp low-pressure the
In one heat exchanger 203, First Heat Exchanger 203 is evaporator in cooling mode, and working medium evaporation endothermic in evaporator becomes low
The gaseous state of warm low pressure, to reduce environment temperature, realizes refrigerating function so that the heat of environment is brought into heat pump air conditioner；
Finally under the swabbing action of compressor 202, working medium returns in compressor 202 through four-way valve 201, in the effect of compressor 202
Under, become the gaseous working medium of high temperature and pressure, completes one cycle.
It is shown in Figure 4, the schematic diagram under heating mode is in for heat pump air conditioner 2.
Under the suction and compression of compressor 202, the gaseous working medium of the low-temp low-pressure in the second heat exchanger 204 is through four
Port valve 201 enters compressor 202, wherein the second heat exchanger 204 is in a heating mode evaporator, becomes high temperature after compression
The mistake hot gaseous of high pressure enters First Heat Exchanger 203 through four-way valve 201, wherein First Heat Exchanger 203 is cold in a heating mode
Condenser, working medium is within the condenser by the heat transfer of carrying into environment, to improve environment temperature, at the same time, working medium becomes
For the liquid of medium temperature high pressure, the working medium being discharged from condenser temperature and pressure after throttling set 205 is further decreased, and becomes low
Enter evaporation endothermic in evaporator after the gas-liquid mixed state of warm low pressure, so that the heat in environment be brought into heat pump air conditioner.
Above-mentioned heat pump air conditioner 2 is applied in heat management system in the present embodiment, heat management system knot shown in Figure 2
Structure schematic diagram, by heat pump air conditioner 2 the second heat exchanger and engine 1 be arranged in the same space, i.e., by the of heat pump air conditioner 2
Two heat exchangers 204 are arranged inside fuel battery engines, and the heating or system to engine 1 are realized by way of heat exchange
Cold, controller 3 is connect with four-way valve 201, compressor 202 and the throttling set 205 in heat pump air conditioner 2 respectively.
Specifically, in 1 Cold Start of engine, compressor 202 is controlled by controller 3 and executes compressed action, and
Four-way valve 201 is controlled by controller 3 to act, and realizes and the high temperature and pressure in compressor 202 is crossed into hot working fluid by four-way valve 201
Into in the second heat exchanger 204, the second heat exchanger 204 is used as condenser, and working medium within the condenser arrives the heat loss of carrying
In environment, so that environment temperature increases.
It is arranged by the second heat exchanger 204 in this present embodiment in engine interior, therefore, ring locating for the second heat exchanger 204
After border temperature increases, engine temperature can be increased by way of heat exchange, realize the heating to engine.
Then, it controls throttling set 205 by controller 3 to open, the working medium in heat pump air conditioner 2 flows through throttling set, becomes
To enter in First Heat Exchanger 203 after the gas-liquid mixture of low-temp low-pressure, First Heat Exchanger 203 is used as evaporator, working medium
Evaporation endothermic becomes the gaseous state of low-temp low-pressure in evaporator, so that the heat of environment is brought into heat pump air conditioner 2.
Finally, controlling compressor 202 by controller 3 executes suction action, working medium returns to compressor by four-way valve 201
In 202, under the action of compressor 202, becomes the gaseous working medium of high temperature and pressure, complete one cycle.
In 1 operational process of engine, compressor 202 is controlled by controller 3 and executes suction action, and passes through controller
3 control four-way valves 201 act, and realize to enter the gaseous working medium of the low-temp low-pressure in the second heat exchanger 204 through four-way valve 201 and press
Contracting machine 202, the mistake hot gaseous for becoming high temperature and pressure after compression enter First Heat Exchanger 203 through four-way valve 201, wherein first
Heat exchanger 203 is used as condenser, and working medium is within the condenser by the heat transfer of carrying into environment, so that environment temperature is improved,
At the same time, working medium becomes the liquid of medium temperature high pressure.
Then, by controller 3 control throttling set 205 open, from condenser be discharged working medium after throttling set,
Temperature and pressure further decreases, and enters in the second heat exchanger 204 after becoming the gas-liquid mixed state of low-temp low-pressure, the second heat exchanger
204 use as evaporator, and working medium evaporation endothermic in evaporator makes so that the heat in environment be brought into heat pump air conditioner 2
Obtaining environment temperature reduces.
It is arranged inside engine 1 by the second heat exchanger 204 in this present embodiment, therefore, ring locating for the second heat exchanger 204
After border temperature reduces, 1 temperature of engine can be reduced by way of heat exchange, realize the refrigeration to engine 1.
It is understood that in other embodiments, it can also be by the First Heat Exchanger 203 of heat pump air conditioner 2 and engine 1
It is arranged in the same space, i.e., the First Heat Exchanger 203 of heat pump air conditioner 2 is arranged inside fuel battery engines 1, passes through heat
The mode of exchange realizes the heating or refrigeration to engine 1, controller 3 respectively with the four-way valve 201 in heat pump air conditioner 2, compression
Machine 202 and throttling set 205 connect.
Specifically, in 1 Cold Start of engine, compressor 202 is controlled by controller 3 and executes suction action, and
Four-way valve 201 is controlled by controller 3 to act, and is realized the gaseous working medium of the low-temp low-pressure in the second heat exchanger 204 through four-way
Valve 201 enters compressor 202, and the mistake hot gaseous for becoming high temperature and pressure after compression enters First Heat Exchanger through four-way valve 201
203, wherein First Heat Exchanger 203 be used as condenser, working medium within the condenser by the heat transfer of carrying into environment, thus
Improve environment temperature.
It is arranged by First Heat Exchanger 203 in this present embodiment in engine interior, therefore, ring locating for First Heat Exchanger 203
After border temperature increases, engine temperature can be increased by way of heat exchange, realize the heating to engine 1.
Then, it controls throttling set 205 by controller 3 to open, the working medium being discharged from condenser becomes after throttling set
To enter in the second heat exchanger 204 after the gas-liquid mixed state of low-temp low-pressure, the second heat exchanger 204 is used as evaporator, working medium
The evaporation endothermic in evaporator, so that the heat in environment be brought into heat pump air conditioner.
In 1 operational process of engine, compressor 202 is controlled by controller 3 and executes compressed action, and passes through controller
3 control four-way valves 201 act, and realize that the high temperature and pressure in compressor 202, which is crossed hot working fluid, enters the second heat exchange by four-way valve
In device 204, the second heat exchanger 204 is used as condenser, and working medium is within the condenser by the heat loss of carrying into environment, so that ring
Border temperature increases.
Then, throttling set 205 being controlled by controller 3 to open, the working medium in heat pump air conditioner 2 flows through throttling set 205,
Enter in First Heat Exchanger 203 after becoming the gas-liquid mixture of low-temp low-pressure, First Heat Exchanger 203 is used as evaporator, work
Matter evaporation endothermic in evaporator becomes the gaseous state of low-temp low-pressure, so that the heat of environment is brought into heat pump air conditioner 2, so that
Environment temperature reduces.
It is arranged inside engine 1 by First Heat Exchanger 203 in this present embodiment, therefore, ring locating for First Heat Exchanger 203
After border temperature reduces, engine temperature can be reduced by way of heat exchange, realize the refrigeration to engine 1.
Finally, controlling compressor 202 by controller 3 executes suction action, working medium returns to compressor by four-way valve 201
In 202, under the action of compressor 202, becomes the gaseous working medium of high temperature and pressure, complete one cycle.
To sum up, heat management system disclosed by the utility model adds heat pump air conditioner on the basis of original heat management system,
It preferentially selects heat pump air conditioner to heat engine during engine cold-start, engine cannot only be added in heat pump air conditioner
In the case where heat to start-up temperature, engine is just heated to start-up temperature jointly using ptc heater assisted heat pump air-conditioning；?
It preferentially selects heat pump air conditioner to mechanism cold is started in engine operation process, engine cannot only be generated in heat pump air conditioner
In the case that heat distributes, just the heat that engine generates is distributed jointly using radiator assisted heat pump air-conditioning,
The temperature of engine is down to predetermined temperature.
Compared to original heat management system during engine cold-start using ptc heater to engine heat with incite somebody to action
Engine temperature rises to start-up temperature, is given out the heat that engine generates using radiator in engine operation process
It goes, engine temperature is down to the scheme of predetermined temperature, using heat management system disclosed by the utility model, not only starting
The temperature of engine efficiently can be risen into start-up temperature in machine Cold Start, to reduce system power dissipation, and sent out
Radiating efficiency can be improved in motivation operational process, reduce system power dissipation.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of heat management system characterized by comprising
Engine；
The heat pump air conditioner of the same space is set to the engine；
The controller being separately connected with the engine, the heat pump air conditioner；
The controller is in operating mode for controlling to start the engine and control the heat pump air conditioner；
The heat pump air conditioner, for heating the engine during being cold-started the engine.
2. heat management system according to claim 1, which is characterized in that further include:
The ptc heater being separately connected with the engine, controller；
The ptc heater, for assisting the heat pump air conditioner to heat the engine.
3. heat management system according to claim 1 or 2, which is characterized in that further include:
The heat pump air conditioner is also used to the engine that freezes in the engine operation process.
4. heat management system according to claim 1 or 2, which is characterized in that further include:
The radiator being separately connected with the engine, controller；
The radiator, for assisting the heat pump air conditioner to start mechanism cold to described.
5. heat management system according to claim 1 or 2, which is characterized in that the heat pump air conditioner includes:
Four-way valve；
The compressor that output end is connect with the four-way valve first end, the third of the input terminal of the compressor and the four-way valve
End connection；
The First Heat Exchanger that first end is connect with the four-way valve second end；
The second heat exchanger that first end is connect with the 4th end of four-way valve；
The throttling set being connect respectively with the second end of the second end of the First Heat Exchanger and second heat exchanger.
6. heat management system according to claim 5, which is characterized in that described to be set to the same space with the engine
Heat pump air conditioner include:
Second heat exchanger and the engine are arranged in the same space.
7. heat management system according to claim 6, which is characterized in that the controller being connect with the heat pump air conditioner
Include:
The controller is connect with the four-way valve, the compressor and the throttling set respectively.
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|---|---|---|---|
| CN201821587103.2U CN209308877U (en) | 2018-09-27 | 2018-09-27 | A kind of heat management system |
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| CN201821587103.2U CN209308877U (en) | 2018-09-27 | 2018-09-27 | A kind of heat management system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572098A (en) * | 2020-12-29 | 2021-03-30 | 联合汽车电子有限公司 | Thermal management system of hybrid electric vehicle |
| CN117255545A (en) * | 2023-11-20 | 2023-12-19 | 浙江银轮机械股份有限公司 | Bionic thermal management method |
-
2018
- 2018-09-27 CN CN201821587103.2U patent/CN209308877U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572098A (en) * | 2020-12-29 | 2021-03-30 | 联合汽车电子有限公司 | Thermal management system of hybrid electric vehicle |
| CN112572098B (en) * | 2020-12-29 | 2022-09-06 | 联合汽车电子有限公司 | Thermal management system of hybrid electric vehicle |
| CN117255545A (en) * | 2023-11-20 | 2023-12-19 | 浙江银轮机械股份有限公司 | Bionic thermal management method |
| CN117255545B (en) * | 2023-11-20 | 2024-04-02 | 浙江银轮机械股份有限公司 | Bionic thermal management method |
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