CN108327917B - Tandem type hybrid power aircraft cooling system - Google Patents
Tandem type hybrid power aircraft cooling system Download PDFInfo
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- CN108327917B CN108327917B CN201810336916.2A CN201810336916A CN108327917B CN 108327917 B CN108327917 B CN 108327917B CN 201810336916 A CN201810336916 A CN 201810336916A CN 108327917 B CN108327917 B CN 108327917B
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- 238000001816 cooling Methods 0.000 title claims abstract description 117
- 239000000110 cooling liquid Substances 0.000 claims abstract description 135
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 217
- 230000033228 biological regulation Effects 0.000 claims description 22
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000013589 supplement Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 description 22
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical group [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011217 control strategy Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
- B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
- B64D33/10—Radiator arrangement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Motor Or Generator Cooling System (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a series hybrid power aircraft cooling system, which comprises a radiator, a first cooling loop for conveying cooling liquid in the radiator to a rotor engine for cooling the rotor engine, a second cooling loop for conveying the cooling liquid in the radiator to a power battery for cooling the power battery, and a third cooling loop for conveying the cooling liquid in the radiator to a generator, a hybrid power integrated controller, a driving motor and a driving motor controller for cooling the generator, the hybrid power integrated controller, the driving motor and the driving motor controller. According to the serial hybrid power aircraft cooling system, the first cooling loop, the second cooling loop and the third cooling loop are arranged, so that all components of the hybrid power system are guaranteed to be in an optimal working environment, high-efficiency output of the hybrid power system is maintained, and adaptability of the serial hybrid power aircraft is improved.
Description
Technical Field
The invention belongs to the technical field of aircrafts, and particularly relates to a series hybrid power aircraft cooling system.
Background
The series hybrid power system is widely applied to new energy airplanes, namely, series hybrid power airplanes by virtue of the advantages of simple control structure, strong endurance and the like, wherein the quality of the complete machine cooling system of the series hybrid power airplane determines the efficient and stable output of the power system.
The running of the rotor engine on the serial hybrid power aircraft needs to pass through an idling stage, a speed regulation stage and a stable running stage, the idling stage preheats the rotor engine, and the next stage can be started when the cooling temperature reaches the set requirement; the alternator, the hybrid power integrated controller and the driving motor controller are limited by the temperature of the hardware structure and cannot work in a high-temperature environment for a long time, and the self-protection can be realized when the temperature exceeds a set temperature protection circuit; the driving motor outputs high power for a long time, and the heating value needs to be taken away through a cooling system, so that structural damage, power reduction self-protection and the like caused by overhigh temperature are avoided; the temperature of the power battery is too high or too low, the performance of the power battery can be seriously affected, and the high-speed or low-speed operation of the propeller of the hybrid power aircraft and the change of the aircraft height or environment can bring about the change of the temperature of the whole machine, so that the performance of a power system is changed, the intelligent control of the cooling system of the whole machine is improved, the real-time regulation and control of the cooling system are very necessary, the best working state of the hybrid power system and the high-efficiency working environment of the serial hybrid power aircraft are ensured, and the adaptability of the serial hybrid power aircraft is improved.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides a cooling system of a series hybrid power aircraft, and aims to improve the adaptability of the series hybrid power aircraft.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a series hybrid aircraft cooling system includes a radiator, a first cooling circuit that delivers coolant in the radiator to a rotor engine for rotor engine cooling, a second cooling circuit that delivers coolant in the radiator to a power battery for power battery cooling, and a third cooling circuit that delivers coolant in the radiator to a generator, a hybrid integrated controller, a drive motor, and a drive motor controller for generator, hybrid integrated controller, drive motor, and drive motor controller cooling.
The first cooling circuit includes a first water pump for delivering coolant in a radiator connection to the rotary engine and a first temperature sensor for detecting a temperature of the coolant at a water outlet of the rotary engine.
The second cooling circuit includes a second water pump for delivering coolant in the radiator connection to the power cell and a second temperature sensor for detecting a temperature of the coolant at a water outlet of the power cell.
The third cooling circuit includes a third water pump and a fourth water pump, a first solenoid valve for guiding the coolant delivered by the third water pump and/or the fourth water pump to the generator, a second solenoid valve for guiding the coolant delivered by the third water pump and/or the fourth water pump to the hybrid integrated controller, a third solenoid valve for guiding the coolant delivered by the third water pump and/or the fourth water pump to the driving motor controller, and a fourth solenoid valve for guiding the coolant delivered by the third water pump and/or the fourth water pump to the driving motor.
The third cooling loop further comprises a third temperature sensor for detecting the temperature of the generator, and the first electromagnetic valve is connected with the third water pump and the fourth water pump through pipelines.
The third cooling loop further comprises a fourth temperature sensor for detecting the temperature of the hybrid integrated controller, and the second electromagnetic valve is connected with the third water pump and the fourth water pump through pipelines.
The third cooling loop further comprises a fifth temperature sensor for detecting the temperature of the driving motor controller, and the third electromagnetic valve is connected with the third water pump and the fourth water pump through pipelines.
The third cooling loop further comprises a sixth temperature sensor for detecting the temperature of the driving motor, and the fourth electromagnetic valve is connected with the third water pump and the fourth water pump through pipelines.
According to the cooling system of the series hybrid power aircraft, the first cooling loop, the second cooling loop and the third cooling loop are arranged, so that all components of the power system are guaranteed to be in an optimal working environment, the high-efficiency output of the power system is maintained, and the adaptability of the series hybrid power aircraft is improved.
Drawings
The present specification includes the following drawings, the contents of which are respectively:
FIG. 1 is a schematic diagram of a tandem hybrid aircraft cooling system of the present invention;
FIG. 2 is a block diagram of a cooling control device for a tandem hybrid aircraft of the present invention;
marked in the figure as: 1. a first water pump; 2. a second water pump; 3. a third water pump; 4. a fourth water pump; 5. a heat sink; 6. an expansion kettle; 7. a rotary engine; 8. a generator; 9. a hybrid integrated controller; 10. a drive motor controller; 11. a driving motor; 12. a propeller; 13. and a power battery.
Detailed Description
The following detailed description of the embodiments of the invention, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the invention, and to aid in its practice, by those skilled in the art.
As shown in fig. 1, the present invention provides a series hybrid aircraft cooling system including a radiator 5, a control device, a first cooling circuit that delivers coolant in the radiator 5 to a rotor engine for rotor engine cooling, a second cooling circuit that delivers coolant in the radiator 5 to a power battery for power battery cooling, and a third cooling circuit that delivers coolant in the radiator 5 to a generator, a hybrid integrated controller, a drive motor, and a drive motor controller for generator, hybrid integrated controller, drive motor, and drive motor controller cooling. The first cooling loop, the second cooling loop and the third cooling loop are arranged in parallel, and the first cooling loop, the second cooling loop and the third cooling loop are matched to cool down and cool each part of the power system of the series hybrid power aircraft, so that each part of the power system is guaranteed to be in an optimal working environment, high-efficiency output of the power system is maintained, and adaptability of the series hybrid power aircraft is improved. The rotor engine has a relatively high operating temperature and the power battery has a relatively low operating temperature, so that two separate cooling circuits are required to provide cooling fluid for the rotor engine and the power battery, respectively. The working temperatures of the hybrid integrated controller, the generator, the driving motor and the driving motor controller are very close, so that the hybrid integrated controller, the generator, the driving motor and the driving motor controller are arranged in the same cooling loop. The first cooling loop, the second cooling loop and the third cooling loop are arranged in parallel, so that the complexity caused by pipeline arrangement is avoided, and the arrangement is convenient.
Specifically, as shown in fig. 1, the power system of the serial hybrid power aircraft comprises a propeller, a generator, a rotor engine connected with the generator and driving the generator to generate electricity, a driving motor for providing driving force for the propeller, a power battery for providing electric energy for the driving motor, a hybrid power integrated controller and a driving motor controller, wherein the hybrid power integrated controller is electrically connected with the power battery, the driving motor controller and the driving motor controller, and the driving motor is electrically connected with the driving motor controller. The hybrid integrated controller rectifies three-phase alternating current generated by the generator into direct current to supply power for the driving motor. The propeller is connected with the driving motor through a transmission shaft, the power battery is connected to the driving motor controller through a hybrid power integrated controller, and the driving motor controller inverts direct current provided by the power battery into alternating current to supply power for the driving motor. The rotor engine drives the generator to generate electricity, and the electric energy supplies power for the driving motor and supplements energy for the power battery through the hybrid power integrated controller. The power battery is a lithium battery and a high-energy density lithium battery, wherein the power battery is a power battery pack formed by connecting single lithium batteries in series and parallel, and a plurality of packs are connected in series. The energy of the driving motor can be directly supplied by a power battery, and the other type of energy is generated by driving the generator by the rotor engine. The driving motor provides a power source for the aircraft, and drives the propeller to generate pulling force so as to provide forward kinetic energy for the aircraft; the driving motor is preferably a permanent magnet synchronous alternating current motor with high power-weight ratio, so as to meet the aviation requirement. The high-efficiency interval of the propeller coincides with the high-efficiency interval of the driving motor (the efficiency of the propeller is partitioned, the efficiency of the propeller is different under different rotating speeds, the efficiency is the highest during cruise control and is more than 0.8, the driving motor also has the high-efficiency interval, the rotating speed of the driving motor is kept constant during aircraft cruise control, the high-efficiency interval of the driving motor coincides with the high-efficiency interval of the propeller at the moment, the energy utilization rate is improved, the idle work is reduced), the energy utilization rate is improved to the greatest extent, and the cruise control requirement is met by matching.
As shown in fig. 1, the first cooling circuit comprises a first water pump 1 for delivering the coolant in the radiator 5 connection to the rotary engine and a first temperature sensor for detecting the temperature of the coolant at the water outlet of the rotary engine. The first cooling loop is connected with the water inlet of the rotor engine through a pipeline, the water outlet of the rotor engine is connected with the water inlet of the radiator 5 through a pipeline, and the cooled cooling liquid of the rotor engine flows back into the radiator 5 to realize circulation of the cooling liquid. The control device collects data detected by the first temperature sensor, the first temperature sensor and the first water pump 1 are electrically connected with the control device, and the first water pump 1 is controlled by the control device. The temperature of the cooling liquid at the water outlet of the rotor engine is detected in real time by the first temperature sensor, the rotating speed of the first water pump 1 is regulated and controlled in real time by the control device according to the temperature of the cooling liquid collected by the first temperature sensor, so that the regulation and control of the flow rate of the cooling liquid at the water outlet of the first water pump 1 are realized, the temperature of the cooling liquid at the water outlet of the rotor engine is ensured to be stabilized at a set temperature value, and the rotor engine is in an optimal working environment. If the temperature of the cooling liquid at the water outlet of the rotor engine is larger than the set temperature value, the control device sends out a command for increasing the rotating speed of the first water pump 1, and the water pump driving module regulates and controls the voltage of the first water pump 1 so as to increase the flow rate of the cooling liquid at the water outlet of the first water pump 1, further increase the flow rate of the cooling liquid for cooling the rotor engine, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature.
As shown in fig. 1, the second cooling circuit comprises a second water pump 2 for delivering the coolant in the radiator 5 connection to the power battery and a second temperature sensor for detecting the temperature of the coolant at the water outlet of the power battery. The second cooling loop is connected with the water inlet of the power battery through a pipeline, the water outlet of the power battery is connected with the water inlet of the radiator 5 through a pipeline, and the water outlet of the power battery is connected with the water inlet of the radiator 5 through a pipeline, so that cooling liquid after cooling the power battery flows back into the radiator 5 to realize circulation of the cooling liquid. The control device collects data detected by the second temperature sensor, the second temperature sensor and the second water pump 2 are electrically connected with the control device, and the second water pump 2 is controlled by the control device. The temperature of the cooling liquid at the water outlet of the power battery is detected in real time by the second temperature sensor, the rotating speed of the second water pump 2 is regulated and controlled in real time by the control device according to the temperature of the cooling liquid collected by the second temperature sensor, so that the regulation and control of the flow rate of the cooling liquid at the water outlet of the second water pump 2 are realized, the temperature of the cooling liquid at the water outlet of the power battery is ensured to be stabilized at a set temperature value, and the power battery is in an optimal working environment. If the temperature of the cooling liquid at the water outlet of the power battery is larger than the set temperature value, the control device sends out a command for increasing the rotating speed of the second water pump 2, and the water pump driving module regulates and controls the voltage of the second water pump 2 so as to increase the flow rate of the cooling liquid at the water outlet of the second water pump 2, further increase the flow rate of the cooling liquid for cooling the power battery, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature.
As shown in fig. 1, the third cooling circuit includes a third water pump 3 and a fourth water pump 4, a first solenoid valve for guiding the coolant delivered by the third water pump 3 and/or the fourth water pump 4 to the generator, a second solenoid valve for guiding the coolant delivered by the third water pump 3 and/or the fourth water pump 4 to the hybrid integrated controller, a third solenoid valve for guiding the coolant delivered by the third water pump 3 and/or the fourth water pump 4 to the driving motor controller, and a fourth solenoid valve for guiding the coolant delivered by the third water pump 3 and/or the fourth water pump 4 to the driving motor. The two water pumps are arranged in the third cooling loop, so that the large power output is required in the take-off stage of the hybrid power aircraft, the heat productivity of the system is large, the flow rate of the cooling liquid is increased by starting the two water pumps, and the cooling effect of the cooling system is further improved; the output power of the hybrid power aircraft in the cruising stage is relatively smaller, one water pump can meet the cooling effect of the cooling system, at the moment, one water pump is started, the other water pump is used as a backup, the safety problem caused by mechanical and electrical faults of the water pump is avoided, and the safety and redundancy of the cooling system are further improved.
The first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are electrically connected with the control device, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are controlled by the control device, the control device controls the opening and closing of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve and adjusts the opening of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve, so that the flow rate of cooling liquid for cooling the generator, the hybrid power integrated controller, the driving motor controller and the driving motor can be respectively controlled, the temperature of the generator, the hybrid power integrated controller, the driving motor controller and the driving motor can be respectively controlled, the optimal working state of all components can be ensured, and the stable output of power of a power system is maintained. The arrangement of the electromagnetic valve in the third cooling loop can realize micro control of the temperature of each component of the power system, so that the temperature control precision and stability are higher.
As shown in fig. 1, the third cooling loop is connected with the water inlet of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve through four pipelines respectively, the water outlet of the first electromagnetic valve is connected with the water inlet of the generator through a pipeline, the water outlet of the second electromagnetic valve is connected with the water inlet of the hybrid integrated controller through a pipeline, the water outlet of the third electromagnetic valve is connected with the water inlet of the driving motor through a pipeline, the water outlet of the fourth electromagnetic valve is connected with the water inlet of the driving motor through a pipeline, the water outlet of the first electromagnetic valve, the second electromagnetic valve, the water outlet of the third electromagnetic valve and the water inlet of the fourth electromagnetic valve are connected with the water inlet of the current collector through pipelines, the water outlet of the current collector is connected with the water inlet of the current collector 5 through pipelines, and the heat collector is cooled by the cooling liquid after the heat collector, the integrated controller for the generator, the motor and the driving motor are cooled by the cooling liquid.
As shown in fig. 1, the third cooling circuit further includes a third temperature sensor for detecting the temperature of the generator, and the first solenoid valve is connected to the third water pump 3 and the fourth water pump 4 through a pipe. The third cooling circuit further comprises a fourth temperature sensor for detecting the temperature of the hybrid integrated controller, and the second electromagnetic valve is connected with the third water pump 3 and the fourth water pump 4 through pipelines. The third cooling circuit further comprises a fifth temperature sensor for detecting the temperature of the driving motor controller, and the third electromagnetic valve is connected with the third water pump 3 and the fourth water pump 4 through pipelines. The third cooling circuit further comprises a sixth temperature sensor for detecting the temperature of the driving motor, and the fourth electromagnetic valve is connected with the third water pump 3 and the fourth water pump 4 through pipelines.
The third temperature sensor is used for detecting the temperature of the cooling liquid at the water outlet of the generator, the fourth temperature sensor is used for detecting the temperature of the cooling liquid at the water outlet of the hybrid integrated controller, the fifth temperature sensor is used for detecting the temperature of the cooling liquid at the water outlet of the driving motor controller, the sixth temperature sensor is used for detecting the temperature of the cooling liquid at the water outlet of the driving motor, the control device collects data detected by the third temperature sensor, the fourth temperature sensor, the fifth temperature sensor and the sixth temperature sensor, and the third, fourth, fifth, third and fourth water pumps 3, 4 are electrically connected with the control device, and the third and fourth water pumps 3, 4 are controlled by the control device.
The third temperature sensor detects the temperature of the cooling liquid at the water outlet of the generator in real time, the control device regulates and controls the opening of the first electromagnetic valve in real time according to the temperature of the cooling liquid collected by the third temperature sensor, and then regulation and control of the flow rate of the cooling liquid flowing into the generator are achieved, the temperature of the cooling liquid at the water outlet of the generator is ensured to be stabilized at a set temperature value, regulation and control of the temperature of the generator are achieved, the generator is in an optimal working environment, and stable output of power of a power system is maintained. If the temperature of the cooling liquid at the water outlet of the generator is larger than the set temperature value, the control device sends a command for increasing the opening of the first electromagnetic valve so as to increase the flow rate of the cooling liquid flowing into the generator, further increase the flow rate of the cooling liquid for cooling the generator, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature.
The temperature of the cooling liquid at the water outlet of the hybrid integrated controller is detected in real time by the fourth temperature sensor, the opening of the second electromagnetic valve is regulated and controlled in real time by the control device according to the temperature of the cooling liquid collected by the fourth temperature sensor, so that the regulation and control of the flow rate of the cooling liquid flowing into the hybrid integrated controller are realized, the temperature of the cooling liquid at the water outlet of the hybrid integrated controller is ensured to be stabilized at a set temperature value, the regulation and control of the temperature of the hybrid integrated controller is realized, the hybrid integrated controller is in an optimal working environment, and the stable output of the power of a power system is maintained. If the temperature of the cooling liquid at the water outlet of the hybrid integrated controller is larger than the set temperature value, the control device sends a command for increasing the opening of the second electromagnetic valve so as to increase the flow rate of the cooling liquid flowing into the hybrid integrated controller, further increase the flow rate of the cooling liquid for cooling the hybrid integrated controller, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature.
The temperature of the cooling liquid at the water outlet of the driving motor controller is detected in real time by the fifth temperature sensor, the opening of the third electromagnetic valve is regulated and controlled in real time by the control device according to the temperature of the cooling liquid collected by the fifth temperature sensor, so that the regulation and control of the flow rate of the cooling liquid flowing into the driving motor controller are realized, the temperature of the cooling liquid at the water outlet of the driving motor controller is ensured to be stabilized at a set temperature value, the regulation and control of the temperature of the driving motor controller is realized, the driving motor controller is in an optimal working environment, and the stable output of the power system power is maintained. If the temperature of the cooling liquid at the water outlet of the driving motor controller is larger than the set temperature value, the control device sends a command for increasing the opening of the third electromagnetic valve so as to increase the flow rate of the cooling liquid flowing into the driving motor controller, further increase the flow rate of the cooling liquid for cooling the driving motor controller, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature.
The temperature of the cooling liquid at the water outlet of the driving motor is detected in real time by the sixth temperature sensor, the opening of the fourth electromagnetic valve is regulated and controlled in real time by the control device according to the temperature of the cooling liquid collected by the sixth temperature sensor, so that the regulation and control of the flow rate of the cooling liquid flowing into the driving motor are realized, the temperature of the cooling liquid at the water outlet of the driving motor is ensured to be stabilized at a set temperature value, the regulation and control of the temperature of the driving motor are realized, the driving motor is in an optimal working environment, and the stable output of the power of a power system is maintained. If the temperature of the cooling liquid at the water outlet of the driving motor is larger than the set temperature value, the control device sends an instruction for increasing the opening of the fourth electromagnetic valve so as to increase the flow rate of the cooling liquid flowing into the driving motor, further increase the flow rate of the cooling liquid for cooling the driving motor, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature.
As shown in fig. 2, the control device adopted by the series hybrid power aircraft cooling system mainly comprises a temperature acquisition module, a water pump driving module, an electromagnetic valve driving module and other hardware modules and a control chip, wherein the model of the control chip is TMS320C5000, the temperature acquisition module, the water pump driving module and the electromagnetic valve driving module are electrically connected with the control chip, the temperature acquisition module is electrically connected with a first temperature sensor, a second temperature sensor, a third stability sensor, a fourth stability sensor, a fifth temperature sensor and a sixth temperature sensor, the control chip compares the temperature acquired by the temperature acquisition module with the temperature set by the optimal working condition, controls the input voltage of a main loop water pump, the flow rate of cooling liquid and the opening degree of each electromagnetic valve, regulates and controls the temperature of a subsystem in real time, and maintains the stable output of power of the power system. The control strategy of the whole power system is completed through a control chip TMS320C5000, the control algorithm automatically regulates and controls the temperature of the power system according to the temperature, meanwhile, the heat dissipation performance of each subsystem is fully considered in the design, a backup water pump, a solenoid valve for controlling the high-precision water flow rate and the like are designed, the accurate and stable control of the temperature of the power system is improved, and the intelligent control of the cooling system of the serial hybrid power aircraft is realized.
The invention is described above by way of example with reference to the accompanying drawings. It will be clear that the invention is not limited to the embodiments described above. As long as various insubstantial improvements are made using the method concepts and technical solutions of the present invention; or the invention is not improved, and the conception and the technical scheme are directly applied to other occasions and are all within the protection scope of the invention.
Claims (1)
1. Tandem hybrid aircraft cooling system, its characterized in that: the cooling system comprises a radiator, a first cooling loop for conveying cooling liquid in the radiator to a rotor engine for cooling the rotor engine, a second cooling loop for conveying the cooling liquid in the radiator to a power battery for cooling the power battery, and a third cooling loop for conveying the cooling liquid in the radiator to a generator, a hybrid integrated controller, a driving motor and a driving motor controller for cooling the generator, the hybrid integrated controller, the driving motor and the driving motor controller, wherein the first cooling loop, the second cooling loop and the third cooling loop are arranged in parallel;
the power system of the series hybrid power aircraft comprises a propeller, a generator, a rotor engine, a driving motor, a power battery, a hybrid power integrated controller and a driving motor controller, wherein the rotor engine is connected with the generator and drives the generator to generate power, the driving motor is used for providing driving force for the propeller, the power battery is used for providing electric energy for the driving motor, the hybrid power integrated controller is electrically connected with the power battery, the driving motor controller and the driving motor controller, and the driving motor is electrically connected with the driving motor controller; the hybrid integrated controller rectifies three-phase alternating current generated by the generator into direct current to supply power for the driving motor; the propeller is connected with the driving motor through a transmission shaft, the power battery is connected to the driving motor controller through a hybrid power integrated controller, and the driving motor controller inverts direct current provided by the power battery into alternating current to supply power for the driving motor; the rotor engine drives the generator to generate electricity, and the electric energy supplies power to the driving motor and supplements energy to the power battery through the hybrid power integrated controller; the driving motor provides a power source for the aircraft, and drives the propeller to generate pulling force so as to provide forward kinetic energy for the aircraft;
the first cooling circuit comprises a first water pump for conveying the cooling liquid in the radiator to the rotor engine and a first temperature sensor for detecting the temperature of the cooling liquid at a water outlet of the rotor engine; the first cooling loop is connected with the water inlet of the rotor engine through a pipeline, the water outlet of the rotor engine is connected with the water inlet of the radiator through a pipeline, and the cooled cooling liquid for the rotor engine flows back to the radiator to realize circulation of the cooling liquid;
the control device collects data detected by the first temperature sensor, the first temperature sensor and the first water pump are electrically connected with the control device, and the first water pump is controlled by the control device; the first temperature sensor detects the temperature of the cooling liquid at the water outlet of the rotor engine in real time, and the control device regulates and controls the rotating speed of the first water pump in real time according to the temperature of the cooling liquid collected by the first temperature sensor, so that the regulation and control of the flow rate of the cooling liquid at the water outlet of the first water pump are realized, the temperature of the cooling liquid at the water outlet of the rotor engine is ensured to be stabilized at a set temperature value, and the rotor engine is in an optimal working environment; if the temperature of the cooling liquid at the water outlet of the rotor engine is larger than the set temperature value, the control device sends out a command for increasing the rotating speed of the first water pump, the water pump driving module regulates and controls the voltage of the first water pump so as to increase the flow rate of the cooling liquid at the water outlet of the first water pump, further increase the flow rate of the cooling liquid for cooling the rotor engine, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature;
the second cooling loop comprises a second water pump for delivering the cooling liquid in the radiator connection to the power battery and a second temperature sensor for detecting the temperature of the cooling liquid at the water outlet of the power battery; the second cooling loop is connected with the water inlet of the power battery through a pipeline, the water outlet of the power battery is connected with the water inlet of the radiator through a pipeline, and the cooling liquid after cooling the power battery flows back to the radiator to realize circulation of the cooling liquid;
the control device collects data detected by a second temperature sensor, the second temperature sensor and the second water pump are electrically connected with the control device, and the second water pump is controlled by the control device; the second temperature sensor detects the temperature of the cooling liquid at the water outlet of the power battery in real time, and the control device regulates and controls the rotating speed of the second water pump in real time according to the temperature of the cooling liquid collected by the second temperature sensor, so that the regulation and control of the flow rate of the cooling liquid at the water outlet of the second water pump are realized, the temperature of the cooling liquid at the water outlet of the power battery is ensured to be stabilized at a set temperature value, and the power battery is in an optimal working environment; if the temperature of the cooling liquid at the water outlet of the power battery is larger than the set temperature value, the control device sends out a command for increasing the rotating speed of the second water pump, the water pump driving module regulates and controls the voltage of the second water pump so as to increase the flow rate of the cooling liquid at the water outlet of the second water pump, further increase the flow rate of the cooling liquid for cooling the power battery, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature;
the third cooling circuit includes a third water pump and a fourth water pump, a first electromagnetic valve for guiding the cooling liquid conveyed by the third water pump and/or the fourth water pump to the generator, a second electromagnetic valve for guiding the cooling liquid conveyed by the third water pump and/or the fourth water pump to the hybrid integrated controller, a third electromagnetic valve for guiding the cooling liquid conveyed by the third water pump and/or the fourth water pump to the driving motor controller, and a fourth electromagnetic valve for guiding the cooling liquid conveyed by the third water pump and/or the fourth water pump to the driving motor;
the high-power output is required in the take-off stage of the hybrid power aircraft, the heat productivity of the system is high, and the flow rate of the cooling liquid is increased by starting the third water pump and the fourth water pump, so that the cooling effect of the cooling system is improved; the output power of the hybrid power aircraft in the cruising stage is relatively small, one water pump is started at the moment, and the other water pump is used as a backup;
the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are electrically connected with the control device, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are controlled by the control device, the control device controls the opening and closing of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve and adjusts the opening of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve, so that the flow rate of cooling liquid for cooling the generator, the hybrid power integrated controller, the driving motor controller and the driving motor is respectively controlled, the temperature of the generator, the hybrid power integrated controller, the driving motor controller and the driving motor is respectively controlled, the optimal working state of all components is ensured, and the stable output of power of the power system is maintained;
the third cooling loop is connected with the water inlets of the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve respectively through four pipelines, the water outlet of the first electromagnetic valve is connected with the water inlet of the generator through the pipelines, the water outlet of the second electromagnetic valve is connected with the water inlet of the hybrid integrated controller through the pipelines, the water outlet of the third electromagnetic valve is connected with the water inlet of the driving motor controller through the pipelines, the water outlet of the fourth electromagnetic valve is connected with the water inlet of the driving motor through the pipelines, the water outlet of the first electromagnetic valve, the second electromagnetic valve, the water outlet of the third electromagnetic valve and the water outlet of the fourth electromagnetic valve are connected with the water inlet of the current collector through the pipelines, the water outlet of the current collector is connected with the water inlet of the current collector through the pipelines, and the cooling liquid after cooling the generator, the hybrid integrated controller, the driving motor controller and the driving motor is circulated to the current collector through the current collector, so that the cooling liquid is circulated;
the third cooling loop further comprises a third temperature sensor for detecting the temperature of the generator, and the first electromagnetic valve is connected with the third water pump and the fourth water pump through pipelines; the third cooling loop further comprises a fourth temperature sensor for detecting the temperature of the hybrid integrated controller, and the second electromagnetic valve is connected with the third water pump and the fourth water pump through pipelines; the third cooling loop further comprises a fifth temperature sensor for detecting the temperature of the driving motor controller, and the third electromagnetic valve is connected with the third water pump and the fourth water pump through pipelines; the third cooling loop further comprises a sixth temperature sensor for detecting the temperature of the driving motor, and the fourth electromagnetic valve is connected with the third water pump and the fourth water pump through pipelines;
the third temperature sensor is used for detecting the temperature of the cooling liquid at the water outlet of the generator, the fourth temperature sensor is used for detecting the temperature of the cooling liquid at the water outlet of the hybrid integrated controller, the fifth temperature sensor is used for detecting the temperature of the cooling liquid at the water outlet of the driving motor controller, the sixth temperature sensor is used for detecting the temperature of the cooling liquid at the water outlet of the driving motor, the control device collects data detected by the third temperature sensor, the fourth temperature sensor, the fifth temperature sensor and the sixth temperature sensor, and the third water pump and the fourth water pump are electrically connected with the control device and controlled by the control device;
the third temperature sensor detects the temperature of the cooling liquid at the water outlet of the generator in real time, and the control device regulates and controls the opening of the first electromagnetic valve in real time according to the temperature of the cooling liquid collected by the third temperature sensor, so that the regulation and control of the flow rate of the cooling liquid flowing into the generator are realized, the temperature of the cooling liquid at the water outlet of the generator is ensured to be stabilized at a set temperature value, the regulation and control of the temperature of the generator are realized, the generator is in an optimal working environment, and the stable output of the power system is maintained; if the temperature of the cooling liquid at the water outlet of the generator is larger than the set temperature value, the control device sends a command for increasing the opening of the first electromagnetic valve so as to increase the flow rate of the cooling liquid flowing into the generator, further increase the flow rate of the cooling liquid for cooling the generator, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature;
the temperature of the cooling liquid at the water outlet of the hybrid integrated controller is detected in real time by the fourth temperature sensor, and the opening of the second electromagnetic valve is regulated and controlled in real time by the control device according to the temperature of the cooling liquid collected by the fourth temperature sensor, so that the regulation and control of the flow rate of the cooling liquid flowing into the hybrid integrated controller are realized, the temperature of the cooling liquid at the water outlet of the hybrid integrated controller is ensured to be stabilized at a set temperature value, the regulation and control of the temperature of the hybrid integrated controller is realized, the hybrid integrated controller is in an optimal working environment, and the stable output of the power of a power system is maintained; if the temperature of the cooling liquid at the water outlet of the hybrid integrated controller is larger than the set temperature value, the control device sends a command for increasing the opening of the second electromagnetic valve so as to increase the flow rate of the cooling liquid flowing into the hybrid integrated controller, further increase the flow rate of the cooling liquid for cooling the hybrid integrated controller, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature;
the temperature of the cooling liquid at the water outlet of the driving motor controller is detected in real time by the fifth temperature sensor, and the opening of the third electromagnetic valve is regulated and controlled in real time by the control device according to the temperature of the cooling liquid collected by the fifth temperature sensor, so that the regulation and control of the flow rate of the cooling liquid flowing into the driving motor controller are realized, the temperature of the cooling liquid at the water outlet of the driving motor controller is ensured to be stabilized at a set temperature value, the regulation and control of the temperature of the driving motor controller is realized, the driving motor controller is in an optimal working environment, and the stable output of the power system is maintained; if the temperature of the cooling liquid at the water outlet of the driving motor controller is larger than the set temperature value, the control device sends a command for increasing the opening of the third electromagnetic valve so as to increase the flow rate of the cooling liquid flowing into the driving motor controller, further increase the flow rate of the cooling liquid for cooling the driving motor controller, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature;
the temperature of the cooling liquid at the water outlet of the driving motor is detected in real time by the sixth temperature sensor, the opening of the fourth electromagnetic valve is regulated and controlled in real time by the control device according to the temperature of the cooling liquid collected by the sixth temperature sensor, so that the regulation and control of the flow rate of the cooling liquid flowing into the driving motor are realized, the temperature of the cooling liquid at the water outlet of the driving motor is ensured to be stabilized at a set temperature value, the regulation and control of the temperature of the driving motor are realized, the driving motor is in an optimal working environment, and the stable output of the power of a power system is maintained; if the temperature of the cooling liquid at the water outlet of the driving motor is larger than the set temperature value, the control device sends an instruction for increasing the opening of the fourth electromagnetic valve so as to increase the flow rate of the cooling liquid flowing into the driving motor, further increase the flow rate of the cooling liquid for cooling the driving motor, control the flow rate of the cooling liquid in real time and maintain the stability of the temperature.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795885A (en) * | 2007-10-31 | 2010-08-04 | 丰田自动车株式会社 | Hybrid system control apparatus and hybrid system control method |
| CN102191991A (en) * | 2010-03-03 | 2011-09-21 | 株式会社电装 | Controller for engine cooling system |
| CN102555776A (en) * | 2011-09-01 | 2012-07-11 | 奇瑞汽车股份有限公司 | Cooling system of range increasing system of electric vehicle and control method of cooling system |
| CN105691624A (en) * | 2014-12-12 | 2016-06-22 | 空客集团有限公司 | Device and method for cooling at least one autonomous electric power source of an aircraft |
| WO2016173421A1 (en) * | 2015-04-29 | 2016-11-03 | 舍弗勒技术股份两合公司 | Cooling circuit system and vehicle for hybrid power system |
| CN208070036U (en) * | 2018-04-16 | 2018-11-09 | 中电科芜湖通用航空产业技术研究院有限公司 | Serial mixed power aircraft cooling system |
-
2018
- 2018-04-16 CN CN201810336916.2A patent/CN108327917B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101795885A (en) * | 2007-10-31 | 2010-08-04 | 丰田自动车株式会社 | Hybrid system control apparatus and hybrid system control method |
| CN102191991A (en) * | 2010-03-03 | 2011-09-21 | 株式会社电装 | Controller for engine cooling system |
| CN102555776A (en) * | 2011-09-01 | 2012-07-11 | 奇瑞汽车股份有限公司 | Cooling system of range increasing system of electric vehicle and control method of cooling system |
| CN105691624A (en) * | 2014-12-12 | 2016-06-22 | 空客集团有限公司 | Device and method for cooling at least one autonomous electric power source of an aircraft |
| WO2016173421A1 (en) * | 2015-04-29 | 2016-11-03 | 舍弗勒技术股份两合公司 | Cooling circuit system and vehicle for hybrid power system |
| CN208070036U (en) * | 2018-04-16 | 2018-11-09 | 中电科芜湖通用航空产业技术研究院有限公司 | Serial mixed power aircraft cooling system |
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