CN113830314A - Water-cooling heat dissipation system for range extender of oil-electricity hybrid unmanned aerial vehicle - Google Patents
Water-cooling heat dissipation system for range extender of oil-electricity hybrid unmanned aerial vehicle Download PDFInfo
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- CN113830314A CN113830314A CN202111010558.4A CN202111010558A CN113830314A CN 113830314 A CN113830314 A CN 113830314A CN 202111010558 A CN202111010558 A CN 202111010558A CN 113830314 A CN113830314 A CN 113830314A
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- 238000001816 cooling Methods 0.000 title claims abstract description 104
- 230000017525 heat dissipation Effects 0.000 title claims abstract description 53
- 239000004606 Fillers/Extenders Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 231
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 239000002826 coolant Substances 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 4
- 239000000110 cooling liquid Substances 0.000 claims description 46
- 238000005192 partition Methods 0.000 claims description 33
- 238000004140 cleaning Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 5
- 235000011089 carbon dioxide Nutrition 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 13
- 230000009286 beneficial effect Effects 0.000 description 11
- 230000001105 regulatory effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 208000035473 Communicable disease Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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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
- B64D27/026—Aircraft characterised by the type or position of power plants comprising different types of power plants, e.g. combination of a piston engine and a gas-turbine
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/10—Rotorcrafts
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- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Remote Sensing (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention provides a water-cooling heat dissipation system for a range extender of a hybrid electric unmanned aerial vehicle, which comprises the water-cooling heat dissipation system for the range extender of the hybrid electric unmanned aerial vehicle and is characterized by comprising the following components: water pump, water tank, first radiator, temperature sensor, water-cooling runner, unmanned aerial vehicle rotor, controller, initiative radiator fan, the water pump the water tank first radiator the water-cooling runner connects gradually and forms coolant liquid circulation circuit, the controller respectively with temperature sensor the water pump initiative radiator fan electric connection. In the invention, because the circulation loop is arranged, the water-cooling rapid cooling of the range extender is realized, the heat dissipation efficiency is improved, the continuous long-time work of the range extender is ensured, the flow regulation of the water pump is controlled through the detection value of the temperature sensor, and the intelligent degree is improved.
Description
Technical Field
The invention relates to the technical field of unmanned aerial vehicles, in particular to a water-cooling heat dissipation system of a range extender of a hybrid electric-oil unmanned aerial vehicle.
Background
An unmanned aircraft, referred to as "drone", is an unmanned aircraft that is operated by a radio remote control device and a self-contained program control device, or is operated autonomously, either completely or intermittently, by an onboard computer. Unmanned aerial vehicle is applicable to in civilian aspect and takes photo by plane, agriculture, plant protection, miniature autodyne, express delivery transportation, disaster relief, observe wild animal, control infectious disease, survey and drawing, news report, electric power are patrolled and examined, the relief of disaster, the movie & TV is shot, make fields such as romantic, wherein, plant protection unmanned aerial vehicle need work on a large scale for a long time, consequently, hybrid power unmanned aerial vehicle has appeared oily electricity, this unmanned aerial vehicle is provided with the range extender, can improve plant protection unmanned aerial vehicle's duration.
Because the range extender has huge heat productivity after working for a long time, the range extender needs to be cooled, the existing range extender generally adopts an air-cooled cooling mode to cool, the air-cooled cooling efficiency is low, so that an engine of the range extender is easy to suffer from high-temperature faults, and continuous long-time working is difficult to guarantee.
Disclosure of Invention
The invention provides a water-cooling heat dissipation system for a range extender of an oil-electricity hybrid unmanned aerial vehicle, which is used for solving the technical problems that an engine of the range extender is prone to high-temperature failure and continuous and long-time work is difficult to guarantee as the existing range extender is cooled in an air-cooling heat dissipation mode generally, and the air-cooling heat dissipation efficiency is low.
In order to solve the technical problem, the invention discloses a water-cooling heat dissipation system of a range extender of an oil-electricity hybrid power unmanned aerial vehicle, which comprises the following components: water pump, water tank, first radiator, temperature sensor, water-cooling runner, unmanned aerial vehicle rotor, controller, initiative radiator fan, the water tank through first water pipe with first radiator is connected, first radiator pass through the second water pipe with the water inlet of water-cooling runner is connected, the delivery port of water-cooling runner pass through the third water pipe with the water tank is connected, the inlet tube of water pump with the inside intercommunication of water tank, the outlet pipe of water pump with first water pipe intercommunication to form coolant liquid circulation loop, the controller respectively with temperature sensor the water pump initiative radiator fan electric connection.
Preferably, the cooling flow channel comprises an engine cylinder body cooling flow channel, a generator stator cooling flow channel and a rectifier cooling flow channel, the temperature sensors are arranged at least one of in the cooling liquid circulation loop, on the engine and on the generator, the controller controls the water pump to work based on detection values of the temperature sensors, when actual temperature detected by the temperature sensors is lower than a preset minimum temperature, the controller controls the water pump to reduce output flow, so that circulation efficiency of the cooling liquid circulation loop is reduced, and when actual temperature detected by the temperature sensors is not lower than a preset maximum temperature, the controller controls the water pump to improve output flow, so that circulation efficiency of the cooling liquid circulation loop is improved.
Preferably, the cooling system further comprises a second radiator, the second radiator is arranged on the third water pipe, and the cooling liquid flows into the second radiator through the third water pipe after flowing out of the water-cooling flow channel and then flows back to the water tank from the second radiator.
Preferably, first radiator with the second radiator all sets up unmanned aerial vehicle rotor below, works as when the unmanned aerial vehicle rotor is in rotatory operating condition, first radiator with the second radiator dispels the heat with the help of the rotor wind field down effectively.
Preferably, an active cooling fan is arranged below each of the first radiator and the second radiator and electrically connected with the controller, and when the unmanned aerial vehicle is located on the ground and the rotor of the unmanned aerial vehicle is in a stop rotation state and the actual temperature detected by the temperature sensor is not lower than a preset maximum temperature, the controller controls the active cooling fan to work.
Preferably, the water pump the water tank first radiator the second radiator the engine the unmanned aerial vehicle rotor the controller all can set up in the frame of unmanned aerial vehicle body, the unmanned aerial vehicle rotor with the frame rotates and is connected.
Preferably, a plurality of radiating fins are arranged on the outer walls of the first radiator and the second radiator.
Preferably, the first radiator and the second radiator are both provided with coolant channels inside.
Preferably, a cleaning assembly is arranged outside the first radiator, and the cleaning assembly comprises:
the two vertical plates are symmetrically arranged on the left side and the right side of the first radiator, and a first groove is formed in one side, close to each other, of each vertical plate;
the first sliding block is arranged in the first groove in a sliding mode and can slide up and down along the inner wall of the first groove, and one end, close to the first radiator, of the first sliding block extends to the outside of the first groove;
the reset spring is arranged in the first groove, one end of the reset spring is fixedly connected with the inner wall of the upper end of the first groove, and the other end of the reset spring is fixedly connected with the upper surface of the first sliding block;
the first motor is arranged at one end, far away from the first groove, of the first sliding block, a travelling wheel is arranged at the output end of the first motor, the travelling wheel is located on the upper surface of the first radiator, and the outer wall of the travelling wheel is in contact with the upper surface of the first radiator;
the first transverse plate is arranged above the first radiator, the left end and the right end of the first transverse plate are respectively and fixedly connected with the side walls of the vertical plates at the two sides, first bristles are arranged on one side of the first transverse plate, which faces the first radiator, and one end of the first bristles, which is far away from the first transverse plate, is in contact with the upper surface of the first radiator;
the second transverse plate is arranged below the first radiator, the left end and the right end of the second transverse plate are respectively and fixedly connected with the side walls of the vertical plates at the two sides, the second transverse plate is parallel to the first transverse plate, second bristles are arranged on one side of the second transverse plate, which faces the first radiator, and one end, away from the second transverse plate, of each second bristle is in contact with the lower surface of the first radiator;
the threaded hole is horizontally arranged in the vertical plate, penetrates through the left side wall and the right side wall of the vertical plate, is positioned below the first groove, is internally provided with a screw rod, is in threaded transmission connection with the threaded hole, is provided with a sliding plate close to one end of the first radiator, is in sliding connection with the side wall of the first radiator, and extends to the outside of the threaded hole and is provided with a knob;
and the cooling fan is arranged at the lower end of the sliding plate, and the air outlet of the cooling fan faces to the lower surface of the first radiator.
Preferably, still include the storage box, the storage box sets up in the water tank outer wall, dry ice has been deposited in the storage box, be provided with cooling module in the water tank, cooling module includes:
the radiating tubes are arranged inside the water tank and are arranged into two groups, the two groups of radiating tubes are respectively arranged on the inner walls of the front side and the rear side of the water tank, the inlet ends of the radiating tubes penetrate through the side wall of the water tank and are communicated with the storage box, the outlet ends of the radiating tubes extend to the outside of the water tank, and the radiating tubes are arranged into an S shape;
the baffle plate is arranged in the water tank, the left end and the right end of the baffle plate are respectively fixedly connected with the inner walls of the left side and the right side of the water tank, and a plurality of through holes are formed in the baffle plate and distributed in an array manner;
the radiating fin is arranged on the outer wall of the water tank, and one end of the radiating fin extends into the water tank and is connected with the partition plate;
the baffle plates are arranged below the partition plate, one ends of the baffle plates are hinged with the inner wall of the water tank, the number of the baffle plates is two, the two baffle plates are bilaterally symmetrical about the center line of the water tank, and the ends of the two baffle plates, which are far away from the hinged position, are mutually abutted;
the first spring is arranged below the baffle, one end of the first spring is fixedly connected with the lower surface of the baffle, and the other end of the first spring is fixedly connected with the inner wall of the water tank below the baffle;
the first rotating shaft is arranged above the partition plate, the rear end of the first rotating shaft is rotatably connected with the inner wall of the rear side of the water tank, a rotating disc and a first belt pulley are sequentially arranged on the first rotating shaft from front to back, an eccentric column is arranged at the eccentric position of the front side wall of the rotating disc, and a plurality of stirring blades are obliquely arranged on the periphery of the rotating disc;
the sliding column is vertically arranged in front of the rotary table, the lower end of the sliding column penetrates through the partition plate and extends to the position above the baffle plate, the sliding column is connected with the partition plate in a sliding mode, the sliding column can slide up and down in the partition plate, push plates are obliquely arranged at the lower end of the sliding column, two push plates are arranged, the two push plates are bilaterally symmetrical relative to the sliding column, and the included angle of the two push plates towards one side of the sliding column is smaller than 180 degrees;
the fixed plate is sleeved on the sliding column and fixedly connected with the sliding column, the fixed plate is positioned above the partition plate, a plurality of second springs are arranged on the lower surface of the fixed plate, one ends of the second springs are fixedly connected with the upper surface of the partition plate, and the other ends of the second springs are fixedly connected with the lower surface of the fixed plate;
the rectangular frame is horizontally arranged at one end, far away from the push plate, of the sliding column, the bottom wall of the rectangular frame is fixedly connected with the upper end of the sliding column, the rectangular frame is sleeved outside the eccentric column, and the eccentric column is in sliding connection with the outer wall of the rectangular frame;
the second rotating shaft is arranged below the water outlet of the third water pipe, the front end and the rear end of the second rotating shaft are respectively rotatably connected with the inner walls of the front side and the rear side of the water tank, an impeller and a first gear are sequentially arranged on the second rotating shaft from front to back, the first gear is an incomplete gear, and the impeller can be driven to rotate by cooling liquid flowing out of the water outlet of the third water pipe;
the third pivot, the third pivot sets up second pivot below, both ends respectively around the third pivot with both sides inner wall rotates around the water tank and is connected, set gradually second belt pulley, second gear from the front backward in the third pivot, the second belt pulley pass through the drive belt with first belt pulley transmission is connected, the second gear with first gear area tooth side meshing.
The technical scheme of the invention has the following advantages: the invention provides a water-cooling heat dissipation system of a range extender of a gasoline-electric hybrid unmanned aerial vehicle, which comprises a water pump, a water tank, a first radiator, a temperature sensor, a water-cooling flow channel, an unmanned aerial vehicle rotor wing, a controller and an active heat dissipation fan, wherein the water tank is connected with the first radiator through a first water pipe, the first radiator is connected with a water inlet of the water-cooling flow channel through a second water pipe, a water outlet of the water-cooling flow channel is connected with the water tank through a third water pipe, a water inlet pipe of the water pump is communicated with the inside of the water tank, a water outlet pipe of the water pump is communicated with the first water pipe, so that a cooling liquid circulation loop is formed, and the controller is electrically connected with the temperature sensor, the water pump and the active heat dissipation fan respectively. According to the invention, due to the arrangement of the circulating loop, the water-cooling temperature of the range extender is realized, the heat dissipation efficiency is improved, the range extender can be rapidly cooled, the continuous and long-time work of the range extender is ensured, the controller can control the flow regulation of the water pump through the detection value of the temperature sensor, the intelligent degree is improved, and the engine can be ensured to work within the optimal heat efficiency threshold value.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the apparatus particularly pointed out in the written description and drawings thereof.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a water-cooling heat dissipation system of a range extender of a hybrid electric vehicle according to the invention;
fig. 2 is another schematic structural diagram of a water-cooling heat dissipation system of a range extender of a hybrid electric vehicle according to the invention;
FIG. 3 is a schematic view of an unmanned aerial vehicle body according to the present invention;
FIG. 4 is a schematic view of a sweeping assembly of the present invention;
FIG. 5 is a schematic view of a cooling assembly of the present invention;
FIG. 6 is a top view of a separator plate according to the present invention;
FIG. 7 is a front view of the active cooling fan of the present invention;
fig. 8 is a bottom view of the active cooling fan of the present invention.
In the figure: 1. a water pump; 2. a water tank; 3. a first heat sink; 4. an engine; 5. a water-cooling flow channel; 6. a controller; 7. a first water pipe; 8. a second water pipe; 9. a third water pipe; 11. a second heat sink; 16. a vertical plate; 17. a first groove; 18. a first slider; 19. a first motor; 20. a traveling wheel; 21. a first transverse plate; 22. a first bristle; 23. a second transverse plate; 24. a second bristle; 25. a screw; 26. a sliding plate; 27. a knob; 28. a cooling fan; 29. a storage box; 30. a radiating pipe; 31. a partition plate; 32. a through hole; 33. a heat sink; 34. a baffle plate; 35. a first spring; 36. a first rotating shaft; 37. a turntable; 38. a first pulley; 39. an eccentric column; 40. a stirring blade; 41. a sliding post; 42. pushing the plate; 43. a fixing plate; 44. a second spring; 45. a rectangular frame; 46. a second rotating shaft; 47. an impeller; 48. a first gear; 49. a third rotating shaft; 50. a second pulley; 51. a second gear; 52. a return spring; 53. a transmission belt; 54. a rotor wing of the unmanned aerial vehicle; 55. an unmanned aerial vehicle body; 56. a frame; 57. an active cooling fan.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions and technical features between various embodiments can be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not be within the protection scope of the present invention.
Example 1:
the embodiment of the invention provides a water-cooling heat dissipation system for a range extender of a hybrid electric unmanned aerial vehicle, which comprises the following components in parts by weight as shown in figures 1-8: water pump 1, water tank 2, first radiator 3, temperature sensor, water-cooling runner 5, unmanned aerial vehicle rotor 54, controller 6, initiative radiator fan 57, water tank 2 through first water pipe 7 with first radiator 3 is connected, first radiator 3 through second water pipe 8 with water-cooling runner 5's water inlet is connected, water-cooling runner 5's delivery port pass through third water pipe 9 with water tank 2 is connected, water pump 1's inlet tube with 2 inside intercommunications in water tank, water pump 1's outlet pipe with first water pipe 7 intercommunication to form coolant liquid circulation circuit, controller 6 respectively with temperature sensor water pump 1 initiative radiator fan 57 electric connection.
The working principle and the beneficial effects of the technical scheme are as follows: the invention provides a water-cooling heat dissipation system of a range extender of a gasoline-electric hybrid power unmanned aerial vehicle, which comprises an unmanned aerial vehicle body 55, wherein the unmanned aerial vehicle body 55 comprises the range extender, a frame 56 and a water-cooling heat dissipation system, the frame 56 is provided with an unmanned aerial vehicle rotor, the range extender comprises a generator and an engine 4, the engine 4 is provided with an air inlet system, an exhaust pipe, a rectifier bridge, a DC/DC module, an ECU controller and a system controller, the water-cooling heat dissipation system comprises a water pump 1, a water tank 2, a first radiator 3, a temperature sensor, a water-cooling flow passage 5, the unmanned aerial vehicle rotor 54 and a controller 6, the controller 6 is arranged on the system controller and arranged on the unmanned aerial vehicle body 55, the cooling flow passage 5 comprises an engine cylinder body heat dissipation flow passage, a generator stator heat dissipation flow passage and a rectifier heat dissipation flow passage, the water tank 2 is communicated with the interior of the first radiator 3 through a first water pipe 7, the first radiator 3 is communicated with a water inlet of the water-cooling flow passage 5 through a second water pipe 8, the water outlet of the water-cooling flow passage 5 is communicated with the water tank 2 through a third water pipe 9, the water inlet pipe of the water pump 1 is communicated with the inside of the water tank 2, the water outlet pipe of the water pump 1 is communicated with the water inlet of a first water pipe 7 positioned in the water tank 2, so that a cooling liquid circulation loop is formed, after the water pump 1 is started, the cooling liquid in the water tank 2 sequentially flows into the first water pipe 7, a first radiator 3, a second water pipe 8, the water-cooling flow passage 5 and a third water pipe 9 and finally flows back into the water tank 2, so that water-cooling heat dissipation is realized, temperature sensors are arranged in the cooling liquid circulation loop, on an engine and a generator, through the detection of the temperature sensors, the controller 6 can control the water pump 1 to adjust output flow according to the detection value of the temperature sensors, an active heat dissipation fan 57 is arranged on the first radiator 2, and the controller 6 can control the active heat dissipation fan 57 to work according to the detection value of the temperature sensors, the intelligent degree of the system is improved, the engine 4 can work within the optimal thermal efficiency threshold value, the water-cooling temperature reduction of the range extender is realized due to the arrangement of the cooling liquid circulation loop, the heat dissipation efficiency is improved, the range extender can be cooled rapidly, the continuous long-time work of the range extender is ensured, and the high-temperature failure rate of the engine 4 is reduced.
Example 2
On the basis of the above embodiment 1, the cooling flow path includes an engine cylinder block heat dissipation flow path, a generator stator heat dissipation flow path, and a rectifier heat dissipation flow path, the temperature sensor is provided in a plurality of numbers, the temperature sensor is provided at least one of the position in the cooling liquid circulation loop, the position on the engine 4, and the position on the generator, the temperature sensor can detect the temperature of the cooling liquid at the installation position, the controller 6 controls the water pump 1 to operate based on the detection value of the temperature sensor, when the actual temperature detected by the temperature sensor is lower than the preset minimum temperature, the controller 6 controls the water pump 1 to reduce the output flow rate, thereby reducing the circulation efficiency of the cooling liquid circulation loop, when the actual temperature detected by the temperature sensor is not lower than the preset maximum temperature, the controller 6 controls the water pump 1 to increase the output flow rate, thereby improving the circulation efficiency of the cooling liquid circulation circuit.
The working principle and the beneficial effects of the technical scheme are as follows: the temperature sensors are arranged in the cooling liquid circulation loop and used for detecting the actual temperature of the cooling liquid in the cooling liquid circulation loop, the temperature sensors are provided with a plurality of temperature sensors, the temperature sensors can be arranged in the engine cylinder body heat dissipation flow channel, the generator stator heat dissipation flow channel and the rectifier heat dissipation flow channel, the temperature sensors can also be arranged on the engine cylinder body and the generator stator, the temperature sensors are electrically connected with the controller 6, the controller 6 controls the water pump 1 to work based on the detection value of the temperature sensors, the optimal heat efficiency threshold of the engine 4 is taken as the reference, when the actual temperature detected by the temperature sensors is lower than the preset lowest temperature, the controller 6 controls the water pump 1 to reduce the output flow, so that the circulation efficiency of the cooling liquid circulation loop is reduced, when the actual temperature detected by the temperature sensors is higher than the preset highest temperature, the controller 6 controls the water pump 1 to improve the output flow, the method comprises the steps of taking the optimal thermal efficiency threshold of an engine 4 as 38% -40%, then taking the optimal thermal efficiency threshold of the engine 4 as a reference, carrying out data acquisition and analysis for multiple times, taking the preset lowest temperature as 70 ℃, taking the preset highest temperature as 95 ℃ (the preset lowest temperature and the preset highest temperature are preset temperatures in a heat dissipation flow channel of an engine cylinder body, and the temperature sensors in other different setting positions can set the preset temperatures according to the actual data acquisition of detection positions), then comparing the actual temperature detected by the temperature sensors with the preset highest temperature and the preset lowest temperature by a controller, adjusting the output flow of the water pump 1 to be the maximum flow when the actual temperature is higher than the preset highest temperature, adjusting the output flow of the water pump 1 to be 50% of the maximum flow when the actual temperature is lower than the preset lowest temperature, above-mentioned scheme has improved water-cooling system's intelligent degree, has realized water-cooling system's automatically regulated, guarantees that unmanned aerial vehicle engine 4 can work in the best thermal efficiency threshold value.
Example 3
In addition to embodiment 1 or 2, as shown in fig. 2, the present invention further includes a second radiator 11, wherein the second radiator 11 is provided in the third water pipe 9, and the coolant flows out of the water-cooling flow passage 5, flows into the second radiator 11 through the third water pipe 9, and then flows back into the tank 2 from the second radiator 11.
The working principle and the beneficial effects of the technical scheme are as follows: the third water pipe 9 is also provided with a second radiator 11, and the heat radiation efficiency of the water-cooling heat radiation system can be further improved through the second radiator 11, so that the engine 4 is rapidly cooled.
Example 4
On the basis of embodiment 3, the first radiator 3 and the second radiator 11 are both disposed below the unmanned aerial vehicle rotor 54.
The working principle and the beneficial effects of the technical scheme are as follows: unmanned aerial vehicle rotor 54 can set up to the multiunit, and first radiator 3 all sets up in unmanned aerial vehicle rotor 54 below with second radiator 11, and when unmanned aerial vehicle during operation, unmanned aerial vehicle rotor 54 rotates and can form the rotor wind field in first radiator 3 and second radiator 11 top to accelerate the air flow of first radiator 3 and second radiator 11 top, accelerate convection cooling efficiency, improve the radiating rate.
Example 5
In embodiment 3, as shown in fig. 7 and 8, an active cooling fan 57 is disposed below both the first heat sink 3 and the second heat sink 11, and the active cooling fan 57 is electrically connected to the controller 6.
The working principle and the beneficial effects of the technical scheme are as follows: can set up initiative radiator fan 57 in first radiator 3 and second radiator 11 below, initiative radiator fan 57 can realize the initiative heat dissipation, when unmanned aerial vehicle body 55 is in the ground, unmanned aerial vehicle rotor 54 stop work, the automatic opening of steerable initiative radiator fan 57 of controller 6, thereby initiatively dispel the heat to first radiator 3 and second radiator 11, when unmanned aerial vehicle body 55 is in the air, initiative radiator fan 57 can self-closing, energy saving, when first radiator 3 is higher than when predetermineeing the highest temperature with second radiator 11, unmanned aerial vehicle body 55 in the air not only can cool down first radiator 3 or second radiator 11 through the rotor wind field that unmanned aerial vehicle rotor 54 produced, initiative radiator fan 57 is also automatic to be opened, dispel the heat by upper and lower both sides simultaneously, thereby the reinforcing radiating effect.
Example 6
On the basis of embodiment 3, the water pump 1, the water tank 2, the first radiator 3, the second radiator 11, the engine 4, the unmanned aerial vehicle rotor 54, the controller 6 all can set up in the frame 56 of unmanned aerial vehicle body 55, the unmanned aerial vehicle rotor 54 with the frame 56 rotates and is connected.
The working principle and the beneficial effects of the technical scheme are as follows: water pump 1, water tank 2, first radiator 3, second radiator 11, engine 4, unmanned aerial vehicle rotor 54, controller 6 all can be installed in the frame 56 of unmanned aerial vehicle body 55 for unmanned aerial vehicle body 55 structure is inseparable, has reduced unmanned aerial vehicle body 55's volume.
Example 7
On the basis of embodiment 3, a plurality of radiating fins are arranged on the outer walls of the first radiator 3 and the second radiator 11.
The working principle and the beneficial effects of the technical scheme are as follows: the outer walls of the first radiator 3 and the second radiator 11 are provided with a plurality of radiating fins, and the heat inside the first radiator 3 and the second radiator 11 can be rapidly transmitted to the outside of the first radiator 3 and the second radiator 11 through the radiating fins.
Example 8
In embodiment 3, a coolant flow path is provided in each of the first radiator 3 and the second radiator 11.
The working principle and the beneficial effects of the technical scheme are as follows: the first radiator 3 and the second radiator 11 are provided with coolant flow passages inside, and the coolant can rapidly lead out heat inside the engine 4 through the coolant flow passages, which is helpful for rapid cooling.
Example 9
In addition to embodiment 1, as shown in fig. 4, a cleaning unit is provided outside the first heat sink 3, and the cleaning unit includes:
the two vertical plates 16 are symmetrically arranged on the left side and the right side of the first radiator 3, and a first groove 17 is formed in one side, close to each other, of each of the two vertical plates 16;
the first sliding block 18 is arranged inside the first groove 17 in a sliding manner, the first sliding block 18 can slide up and down along the inner wall of the first groove 17, and one end, close to the first heat sink 3, of the first sliding block 18 extends to the outside of the first groove 17;
the return spring 52 is arranged in the first groove 17, one end of the return spring 52 is fixedly connected with the inner wall of the upper end of the first groove 17, and the other end of the return spring 52 is fixedly connected with the upper surface of the first sliding block 18;
the first motor 19 is arranged at one end, far away from the first groove 17, of the first sliding block 18, a walking wheel 20 is arranged at the output end of the first motor 19, the walking wheel 20 is positioned on the upper surface of the first heat radiator 3, and the outer wall of the walking wheel 20 is in contact with the upper surface of the first heat radiator 3;
the first transverse plate 21 is arranged above the first radiator 3, the left end and the right end of the first transverse plate 21 are respectively and fixedly connected with the side walls of the vertical plates 16 at the two sides, first bristles 22 are arranged on one side, facing the first radiator 3, of the first transverse plate 21, and one end, away from the first transverse plate 21, of each first bristle 22 is in contact with the upper surface of the first radiator 3;
the second transverse plate 23 is arranged below the first radiator 3, the left end and the right end of the second transverse plate 23 are respectively and fixedly connected with the side walls of the vertical plates 16 at the two sides, the second transverse plate 23 is parallel to the first transverse plate 21, second bristles 24 are arranged on one side, facing the first radiator 3, of the second transverse plate 23, and one ends, far away from the second transverse plate 23, of the second bristles 24 are in contact with the lower surface of the first radiator 3;
the threaded holes are horizontally arranged in the vertical plates 16, penetrate through the left side wall and the right side wall of the vertical plates 16, are located below the first grooves 17, screw rods 25 are arranged in the threaded holes, the screw rods 25 are in threaded transmission connection with the threaded holes, one ends, close to the first radiators 3, of the screw rods 25 are provided with sliding plates 26, the sliding plates 26 are in sliding connection with the side walls of the first radiators 3, and the other ends of the screw rods 25 extend out of the threaded holes and are provided with knobs 27;
and a cooling fan 28, wherein the cooling fan 28 is arranged at the lower end of the sliding plate 26, and an air outlet of the cooling fan 28 faces to the lower surface of the first radiator 3.
The working principle and the beneficial effects of the technical scheme are as follows: firstly, adjusting knobs 27 on two sides, wherein the knobs 27 drive the screw rods 25 to rotate, so that the distance between the two sliding plates 26 is increased, when the distance between the two sliding plates 26 is greater than the width of the first radiator 3, the cleaning assembly is installed on the first radiator 3, during installation, the sliding plates 26 are located on two sides of the first radiator 3, the first transverse plate 21 is located above the first radiator 3, the second transverse plate 23 is located below the first radiator 3, the travelling wheels 20 are in contact with the upper surface of the first radiator 3, the first bristles 22 are in contact with the upper surface of the first radiator 3, the second bristles 24 are in contact with the lower surface of the first radiator 3, after installation, adjusting the knobs 27 again to enable the side walls of the sliding plates 26 to be in contact with the side walls of the first radiator 3, the sliding plates 26 are in sliding connection with the side walls of the first radiator 3, starting the first motor 19 and the cooling fans 28, and the first motor 19 is a forward and reverse motor, the first motor 19 rotates to drive the traveling wheel 20 to rotate, when the traveling wheel 20 rotates, the first bristles 22 can slide back and forth on the upper surface of the first radiator 3 in a reciprocating manner, the second bristles 24 can slide back and forth on the lower surface of the first radiator 3 in a reciprocating manner, the first bristles 22 and the second bristles 24 are both in a bending state, the sliding energy of the first bristles 22 and the second bristles 24 can clean the upper and lower side surfaces of the first radiator 3, when the thickness of the first radiator 3 is different, the position of the traveling wheel 20 can be adjusted by adjusting the position of the first slider 18 in the first groove 17, so that the cleaning assembly is suitable for the first radiators 3 with various thicknesses, when the surface of the first radiator 3 is convex, the reset spring 52 can be adjusted in an adaptive manner, the problem of clamping stagnation during cleaning is avoided, the flexibility is improved, by arranging the cleaning assembly, the upper and lower surfaces of the first radiator 3 can be cleaned simultaneously, the impurity on first radiator 3 surface has been reduced, helps the quick heat dissipation of first radiator 3, replaces the manual work to clean simultaneously, has solved the difficult problem that cleans of first radiator 3 lower surface, has alleviateed intensity of labour to can blow the air of first radiator 3 lower surface through setting up cooling fan 28, make the air of first radiator 3 lower surface flow fast, improve the radiating efficiency, accelerate the cooling to engine 4.
Example 10
On the basis of embodiment 1, as shown in fig. 5 and 6, the cooling water tank further includes a storage tank 29, the storage tank 29 is disposed on an outer wall of the water tank 2, dry ice is stored in the storage tank 29, and a cooling assembly is disposed in the water tank 2, and the cooling assembly includes:
the radiating pipes 30 are arranged inside the water tank 2, the radiating pipes 30 are arranged in two groups, two groups of the radiating pipes 30 are respectively arranged on the inner walls of the front side and the rear side of the water tank 2, the inlet ends of the radiating pipes 30 penetrate through the side wall of the water tank 2 and are communicated with the storage box 29, the outlet ends of the radiating pipes 30 extend to the outside of the water tank 2, and the radiating pipes 30 are arranged in an S shape;
the partition plate 31 is arranged inside the water tank 2, the left end and the right end of the partition plate 31 are fixedly connected with the inner walls of the left side and the right side of the water tank 2 respectively, a plurality of through holes 32 are formed in the partition plate 31, and the through holes 32 are distributed in an array;
the radiating fin 33 is arranged on the outer wall of the water tank 2, and one end of the radiating fin 33 extends into the water tank 2 and is connected with the partition plate 31;
the baffles 34 are arranged below the partition plate 31, one ends of the baffles 34 are hinged with the inner wall of the water tank 2, the number of the baffles 34 is two, the two baffles 34 are bilaterally symmetrical about the central line of the water tank 2, and the ends of the two baffles 34 far away from the hinged position are mutually abutted;
the first spring 35 is arranged below the baffle plate 34, one end of the first spring 35 is fixedly connected with the lower surface of the baffle plate 34, and the other end of the first spring 35 is fixedly connected with the inner wall of the water tank 2 below the baffle plate 34;
the first rotating shaft 36 is arranged above the partition plate 31, the rear end of the first rotating shaft 36 is rotatably connected with the inner wall of the rear side of the water tank 2, a rotating disc 37 and a first belt pulley 38 are sequentially arranged on the first rotating shaft 36 from front to back, an eccentric column 39 is arranged at the eccentric position of the front side wall of the rotating disc 37, and a plurality of stirring blades 40 are obliquely arranged on the periphery of the rotating disc 37;
the sliding column 41 is vertically arranged in front of the rotating disc 37, the lower end of the sliding column 41 penetrates through the partition plate 31 and extends to the position above the baffle plate 34, the sliding column 41 is connected with the partition plate 31 in a sliding manner, the sliding column 41 can slide up and down in the partition plate 31, the lower end of the sliding column 41 is obliquely provided with two push plates 42, the two push plates 42 are bilaterally symmetrical relative to the sliding column 41, and the included angle of the two push plates 42 towards one side of the sliding column 41 is less than 180 degrees;
the fixing plate 43 is sleeved on the sliding column 41, the fixing plate 43 is fixedly connected with the sliding column 41, the fixing plate 43 is located above the partition plate 31, a plurality of second springs 44 are arranged on the lower surface of the fixing plate 43, one end of each second spring 44 is fixedly connected with the upper surface of the partition plate 31, and the other end of each second spring 44 is fixedly connected with the lower surface of the fixing plate 43;
the rectangular frame 45 is horizontally arranged at one end, far away from the push plate 42, of the sliding column 41, the bottom wall of the rectangular frame 45 is fixedly connected with the upper end of the sliding column 41, the rectangular frame 45 is sleeved outside the eccentric column 39, and the eccentric column 39 is in sliding connection with the outer wall of the rectangular frame 45;
the second rotating shaft 46 is arranged below the water outlet of the third water pipe 9, the front end and the rear end of the second rotating shaft 46 are respectively and rotatably connected with the inner walls of the front side and the rear side of the water tank 2, an impeller 47 and a first gear 48 are sequentially arranged on the second rotating shaft 46 from front to back, the first gear 48 is an incomplete gear, and the impeller 47 can be driven to rotate by cooling liquid flowing out of the water outlet of the third water pipe 9;
The working principle and the beneficial effects of the technical scheme are as follows: in an initial state, under the action of the first spring 35, the two baffles 34 are abutted with each other to separate the internal space of the water tank 2, a cooling liquid is arranged below the baffles 34, a cooling liquid flowing back from the third water pipe 9 is also arranged above the baffles 34, when the cooling liquid flows back into the water tank 2 from the third water pipe 9, the cooling liquid flows to the impeller 47 to drive the impeller 47 to rotate, the impeller 47 rotates to drive the second rotating shaft 46 to rotate, the second rotating shaft 46 rotates to drive the first gear 48 to rotate, the first gear 48 is a semicircular gear, the first gear 48 can be intermittently meshed with the second gear 51, when the first gear 48 is meshed with the second gear 51, the first gear 48 drives the second gear 51 to rotate, the second gear 51 rotates to drive the third rotating shaft 49 to rotate, the third rotating shaft 49 rotates to drive the second belt pulley 50 to rotate, the second belt pulley 50 rotates to drive the first belt pulley 38 to rotate through the transmission belt 53, the first belt pulley 38 rotates to drive the first rotating shaft 36 to rotate, the first rotating shaft 36 rotates to drive the rotating disc 37 to rotate, the eccentric column 39 moves along with the rotating disc 37, the eccentric column 39 is located inside the rectangular frame 45, so as to drive the rectangular frame 45 to move from top to bottom, the rectangular frame 45 drives the sliding column 41 to slide downwards along the partition plate 31, the sliding column 41 drives the fixing plate 43 and the pushing plate 42 to move downwards, the second spring 44 compresses, the pushing plate 42 can push the two baffle plates 34 to separate the two baffle plates 34 from each other, the first spring 35 compresses, at the moment, the cooling liquid above the baffle plates 34 can flow to the lower parts of the baffle plates 34 and then is conveyed into the first water pipe 7 by the water pump 1, after the first gear 48 and the second gear 51 are meshed, the second spring 44 returns to the original position, the fixing plate 43 drives the sliding column 41 to slide upwards, the first spring 35 drives the baffle plates 34 to return to the original position, and the two baffle plates 34 are abutted again, the cooling liquid flowing in from the third water pipe 9 is maintained above the baffle 34 again, in the above process, the rotating disc 37 can drive the stirring blade 40 to rotate when rotating, thereby stirring the cooling liquid above the baffle 34, and accelerating the cooling of the cooling liquid, meanwhile, the storage tank 29 is arranged outside the water tank 2, dry ice is arranged in the storage tank 29, the storage tank 29 is connected with the S-shaped radiating pipe 30 inside the water tank 2, the dry ice sublimes to play a cooling role, thereby cooling the radiating pipe 30, performing rapid heat exchange on the cooling liquid above the baffle 34, and reducing the temperature of the cooling liquid, and under the stirring effect of the stirring blade 40, the cooling liquid above the baffle 34 can be convected, thereby accelerating the heat conduction, facilitating the rapid cooling of the cooling liquid, when the first gear 48 is meshed with the second gear 51 again, the cooling liquid with low temperature above the baffle 34 flows below the baffle 34, and the high-temperature cooling liquid is continuously reserved above the baffle 34 and is cooled, so that the cooling liquid can enter the water-cooling runner 5 of the engine 4 at a lower temperature all the time, the cooling effect of the water-cooling heat dissipation system is enhanced, the problem of thermal failure of the engine 4 is prevented, the working capacity of the engine 4 is improved, and the continuous long-time work of the range extender is ensured.
Example 11
On the basis of embodiment 2, the method further comprises the following steps:
flow rate detection means provided in an exhaust pipe of the engine 4 for detecting a flow rate of exhaust gas in the exhaust pipe;
a second temperature sensor provided in the exhaust pipe for detecting an actual exhaust gas temperature in the exhaust pipe;
the third temperature sensor is arranged at the water inlet of the water-cooling flow channel 5 and used for detecting the temperature of the cooling liquid at the water inlet of the water-cooling flow channel 5;
the fourth temperature sensor is arranged at the water outlet of the water-cooling runner 5 and is used for detecting the temperature of the cooling liquid at the water outlet of the water-cooling runner 5;
the second controller is respectively electrically connected with the temperature sensor, the flow detection device, the third temperature sensor, the fourth temperature sensor and the water pump 1;
the second controller controls the water pump 1 to regulate the output flow based on the detection values of the second temperature sensor, the flow detection device, the third temperature sensor and the fourth temperature sensor, and comprises the following steps:
step 1: based on the detection values of the second temperature sensor, the flow detection device, the third temperature sensor and the fourth temperature sensor, calculating the target flow of the water pump 1 to be regulated by the following formula:
wherein q is2Target flow rate to be regulated for the water pump 1, C1Is the specific heat capacity, rho, of the exhaust gas in the exhaust pipe1Is the density of the exhaust gas in the exhaust pipe, q1For the exhaust gas flow rate in the exhaust pipe, T, detected by the flow rate detecting means1To preset a minimum exhaust gas temperature, T2In order to preset the maximum exhaust gas temperature,
is the average value of the preset minimum exhaust gas temperature and the preset maximum exhaust gas temperature, T0Actual exhaust gas temperature in the exhaust pipe, C, detected for the second temperature sensor2Is the specific heat capacity, rho, of the cooling liquid in the water-cooling flow passage 52Is the density, t, of the cooling liquid in the water-cooled flow passage 54The temperature t of the cooling liquid at the water outlet of the water cooling runner 5 detected by the fourth temperature sensor3The temperature of the cooling liquid at the water inlet of the water-cooling flow channel 5 detected by the third temperature sensor is mu, which is the thermal efficiency of the engine 4;
step 2: the second controller controls the water pump 1 to adjust output flow according to the calculation result in the step 1, when the target flow of the water pump 1 to be adjusted is larger than 0, the water pump 1 increases the output flow, the increase value is a target flow value, when the target flow of the water pump 1 to be adjusted is smaller than 0, the water pump 1 reduces the output flow, the reduction value is a target flow absolute value, and when the target flow of the water pump 1 to be adjusted is equal to 0, the water pump 1 does not need to adjust the output flow.
The working principle and the beneficial effects of the technical scheme are as follows: based on the detection values of the second temperature sensor, the flow detection device, the third temperature sensor and the fourth temperature sensor, the target flow rate to be adjusted of the water pump 1 can be calculated through the formula provided by the scheme, the second controller can control the water pump 1 to adjust the output flow rate according to the calculation result of the formula, when the target flow rate to be adjusted of the water pump 1 is larger than 0, the water pump 1 increases the output flow rate, the increased value is a target flow rate value, when the target flow rate to be adjusted of the water pump 1 is smaller than 0, the water pump 1 reduces the output flow rate, the reduced value is a target flow rate absolute value, when the target flow rate to be adjusted of the water pump 1 is equal to 0, the water pump 1 does not need to adjust the output flow rate, specifically, for example, the specific heat capacity of the waste gas in the exhaust pipe is 1.5 KJ/(kg.), the density of the waste gas in the exhaust pipe is 0.7 kg./L, the waste gas flow rate in the exhaust pipe is 10L/s, the preset minimum exhaust gas temperature is 800 ℃, the preset maximum exhaust gas temperature is 950 ℃, the actual exhaust gas temperature in the exhaust pipe is 750 ℃, the specific heat capacity of the cooling liquid in the water cooling channel 5 is 4.1KJ/(kg DEG C.), the density of the cooling liquid in the water cooling channel 5 is 1kg/L, the temperature of the cooling liquid at the water outlet of the water cooling channel 5 is 80 ℃, the temperature of the cooling liquid at the water inlet of the water cooling channel 5 is 35 ℃, and the thermal efficiency of the engine 4 is 0.4, then the target flow to be regulated of the water pump 1 is calculated to be-2.8L/s, therefore, the water pump 1 needs to be reduced by 2.8L/s under the current output flow, and by the scheme, the target flow to be regulated of the water pump 1 can be accurately calculated, so that the water pump 1 can regulate the output flow according to the detection value of the second temperature sensor, and can achieve the fine regulation effect, and the thermal efficiency of the engine is kept in the best state, the intelligent degree of the water-cooling heat dissipation system is increased.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a hybrid unmanned aerial vehicle increases journey ware water-cooling system which characterized in that includes: water pump (1), water tank (2), first radiator (3), temperature sensor, water-cooling runner (5), unmanned aerial vehicle rotor (54), controller (6), initiative radiator fan (57), water pump (1) water tank (2) first radiator (3) water-cooling runner (5) connect gradually and form coolant liquid circulation circuit, controller (6) respectively with temperature sensor water pump (1) initiative radiator fan (57) electric connection.
2. The water-cooling heat dissipation system of the range extender of the hybrid electric unmanned aerial vehicle as claimed in claim 1, wherein the cooling flow channel (5) comprises an engine cylinder heat dissipation flow channel, a generator stator heat dissipation flow channel and a rectifier heat dissipation flow channel, the temperature sensors are provided in a plurality of numbers, the temperature sensors are arranged at least one position of the cooling liquid circulation loop, the engine (4) and the generator, and the controller (6) controls the water pump (1) to work based on a detection value of the temperature sensors.
3. The water-cooled heat dissipation system of the range extender of the hybrid electric unmanned aerial vehicle as claimed in claim 2, wherein the water tank (2) is connected with the first radiator (3) through a first water pipe (7), the first radiator (3) is connected with the water inlet of the water-cooled runner (5) through a second water pipe (8), the water outlet of the water-cooled runner (5) is connected with the water tank (2) through a third water pipe (9), the water inlet pipe of the water pump (1) is communicated with the inside of the water tank (2), and the water outlet pipe of the water pump (1) is communicated with the first water pipe (7).
4. The water-cooled heat dissipation system of the range extender of the hybrid electric unmanned aerial vehicle as claimed in claim 3, further comprising a second radiator (11), wherein the second radiator (11) is arranged on the third water pipe (9), the coolant flows into the second radiator (11) through the third water pipe (9) after flowing out of the water-cooled flow channel (5), and then flows back into the water tank (2) from the second radiator (11), and the first radiator (3) and the second radiator (11) are both arranged below the rotor (54) of the unmanned aerial vehicle.
5. The water-cooling heat dissipation system of the range extender of the hybrid electric unmanned aerial vehicle as claimed in claim 4, wherein an active heat dissipation fan (57) is disposed below the first heat sink (3) and the second heat sink (11), and the active heat dissipation fan (57) is electrically connected to the controller (6).
6. The water-cooled heat dissipation system of the range extender of the hybrid electric unmanned aerial vehicle as claimed in claim 4, wherein the water pump (1), the water tank (2), the first radiator (3), the second radiator (11), the engine (4), the unmanned aerial vehicle rotor (54) and the controller (6) are all disposed on a frame (56) of an unmanned aerial vehicle body (55), and the unmanned aerial vehicle rotor (54) is rotatably connected with the frame (56).
7. The water-cooling heat dissipation system of the range extender of the hybrid electric unmanned aerial vehicle as claimed in claim 4, wherein a plurality of heat dissipation fins are arranged on the outer walls of the first radiator (3) and the second radiator (11).
8. The water-cooling heat dissipation system of the range extender of the hybrid electric unmanned aerial vehicle as claimed in claim 4, wherein the first radiator (3) and the second radiator (11) are both provided with coolant channels inside.
9. The water-cooled heat dissipation system of the range extender of the hybrid electric unmanned aerial vehicle as claimed in claim 1, wherein a cleaning component is arranged outside the first radiator (3), and the cleaning component comprises:
the two vertical plates (16) are symmetrically arranged on the left side and the right side of the first radiator (3), and a first groove (17) is formed in one side, close to each other, of each vertical plate (16);
the first sliding block (18) is arranged in the first groove (17) in a sliding mode, the first sliding block (18) can slide up and down along the inner wall of the first groove (17), and one end, close to the first radiator (3), of the first sliding block (18) extends to the outside of the first groove (17);
the return spring (52) is arranged in the first groove (17), one end of the return spring (52) is fixedly connected with the inner wall of the upper end of the first groove (17), and the other end of the return spring (52) is fixedly connected with the upper surface of the first sliding block (18);
the first motor (19) is arranged at one end, far away from the first groove (17), of the first sliding block (18), a walking wheel (20) is arranged at the output end of the first motor (19), the walking wheel (20) is located on the upper surface of the first radiator (3), and the outer wall of the walking wheel (20) is in contact with the upper surface of the first radiator (3);
the first transverse plate (21) is arranged above the first radiator (3), the left end and the right end of the first transverse plate (21) are respectively and fixedly connected with the side walls of the vertical plates (16) on the two sides, first bristles (22) are arranged on one side, facing the first radiator (3), of the first transverse plate (21), and one end, far away from the first transverse plate (21), of each first bristle (22) is in contact with the upper surface of the first radiator (3);
the second transverse plate (23) is arranged below the first radiator (3), the left end and the right end of the second transverse plate (23) are respectively and fixedly connected with the side walls of the vertical plates (16) on the two sides, the second transverse plate (23) is parallel to the first transverse plate (21), second bristles (24) are arranged on one side, facing the first radiator (3), of the second transverse plate (23), and one ends, far away from the second transverse plate (23), of the second bristles (24) are in contact with the lower surface of the first radiator (3);
the threaded hole is horizontally arranged in the vertical plate (16), the threaded hole penetrates through the left side wall and the right side wall of the vertical plate (16), the threaded hole is located below the first groove (17), a screw rod (25) is arranged in the threaded hole, the screw rod (25) is in threaded transmission connection with the threaded hole, one end, close to the first radiator (3), of the screw rod (25) is provided with a sliding plate (26), the sliding plate (26) is in sliding connection with the side wall of the first radiator (3), and the other end of the screw rod (25) extends to the outside of the threaded hole and is provided with a knob (27);
and the cooling fan (28) is arranged at the lower end of the sliding plate (26), and an air outlet of the cooling fan (28) faces to the lower surface of the first radiator (3).
10. The water-cooled heat dissipation system of the range extender of the hybrid electric unmanned aerial vehicle as claimed in claim 3, further comprising a storage tank (29), wherein the storage tank (29) is disposed on an outer wall of the water tank (2), dry ice is stored in the storage tank (29), and a cooling assembly is disposed in the water tank (2), and comprises:
the radiating pipes (30) are arranged inside the water tank (2), the radiating pipes (30) are arranged into two groups, the two groups of radiating pipes (30) are respectively arranged on the inner walls of the front side and the rear side of the water tank (2), the inlet ends of the radiating pipes (30) penetrate through the side wall of the water tank (2) and are communicated with the storage box (29), the outlet ends of the radiating pipes (30) extend to the outside of the water tank (2), and the radiating pipes (30) are arranged into an S shape;
the water tank comprises a partition plate (31), the partition plate (31) is arranged inside the water tank (2), the left end and the right end of the partition plate (31) are fixedly connected with the inner walls of the left side and the right side of the water tank (2) respectively, a plurality of through holes (32) are formed in the partition plate (31), and the through holes (32) are distributed in an array manner;
the radiating fins (33), the radiating fins (33) are arranged on the outer wall of the water tank (2), and one ends of the radiating fins (33) extend to the inside of the water tank (2) and are connected with the partition plate (31);
the baffle plates (34) are arranged below the partition plate (31), one ends of the baffle plates (34) are hinged to the inner wall of the water tank (2), the number of the baffle plates (34) is two, the two baffle plates (34) are bilaterally symmetrical about the center line of the water tank (2), and the ends, far away from the hinged position, of the two baffle plates (34) are abutted to each other;
the first spring (35) is arranged below the baffle (34), one end of the first spring (35) is fixedly connected with the lower surface of the baffle (34), and the other end of the first spring (35) is fixedly connected with the inner wall of the water tank (2) below the baffle (34);
the first rotating shaft (36) is arranged above the partition plate (31), the rear end of the first rotating shaft (36) is rotatably connected with the inner wall of the rear side of the water tank (2), a rotating disc (37) and a first belt pulley (38) are sequentially arranged on the first rotating shaft (36) from front to back, an eccentric column (39) is arranged at the eccentric position of the front side wall of the rotating disc (37), and a plurality of stirring blades (40) are obliquely arranged on the periphery of the rotating disc (37);
the sliding column (41) is vertically arranged in front of the rotary disc (37), the lower end of the sliding column (41) penetrates through the partition plate (31) and extends to the position above the baffle plate (34), the sliding column (41) is connected with the partition plate (31) in a sliding mode, the sliding column (41) can slide up and down in the partition plate (31), the lower end of the sliding column (41) is obliquely provided with two push plates (42), the two push plates (42) are bilaterally symmetrical relative to the sliding column (41), and the included angle of the two push plates (42) towards one side of the sliding column (41) is smaller than 180 degrees;
the fixing plate (43) is sleeved on the sliding column (41), the fixing plate (43) is fixedly connected with the sliding column (41), the fixing plate (43) is located above the partition plate (31), a plurality of second springs (44) are arranged on the lower surface of the fixing plate (43), one ends of the second springs (44) are fixedly connected with the upper surface of the partition plate (31), and the other ends of the second springs (44) are fixedly connected with the lower surface of the fixing plate (43);
the rectangular frame (45) is horizontally arranged at one end, far away from the push plate (42), of the sliding column (41), the bottom wall of the rectangular frame (45) is fixedly connected with the upper end of the sliding column (41), the rectangular frame (45) is sleeved outside the eccentric column (39), and the eccentric column (39) is in sliding connection with the outer wall of the rectangular frame (45);
the second rotating shaft (46) is arranged below a water outlet of the third water pipe (9), the front end and the rear end of the second rotating shaft (46) are respectively and rotatably connected with the inner walls of the front side and the rear side of the water tank (2), an impeller (47) and a first gear (48) are sequentially arranged on the second rotating shaft (46) from front to back, the first gear (48) is an incomplete gear, and cooling liquid flowing out of the water outlet of the third water pipe (9) can drive the impeller (47) to rotate;
third pivot (49), third pivot (49) set up second pivot (46) below, third pivot (49) around both ends respectively with water tank (2) front and back both sides inner wall rotates the connection, third pivot (49) are gone up the forward and are set gradually second belt pulley (50), second gear (51) backward, second belt pulley (50) through drive belt (53) with first belt pulley (38) transmission is connected, second gear (51) with first gear (48) take the tooth side engagement.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111010558.4A CN113830314B (en) | 2021-08-31 | 2021-08-31 | Water-cooling heat dissipation system for range extender of oil-electricity hybrid unmanned aerial vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111010558.4A CN113830314B (en) | 2021-08-31 | 2021-08-31 | Water-cooling heat dissipation system for range extender of oil-electricity hybrid unmanned aerial vehicle |
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| CN113830314A true CN113830314A (en) | 2021-12-24 |
| CN113830314B CN113830314B (en) | 2023-03-21 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023125607A1 (en) * | 2021-12-31 | 2023-07-06 | 光大环保技术装备（常州）有限公司 | Water cooling flow channel temperature and flow rate measurement system and method, and flow rate parameter testing system |
| CN117412573A (en) * | 2023-12-15 | 2024-01-16 | 成都金洹科科技有限公司 | A motor controller cooling device for electric motor car |
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