CN116806085A - Unmanned aerial vehicle thermal management device - Google Patents

Abstract

The utility model provides an unmanned aerial vehicle heat management device, includes air-supply line and heat exchange module, the air-supply line includes pipe portion and scattered mouth return bend, scattered mouth return bend has first return bend end and air-out end, pipe portion one end with first return bend end is connected, the air-out end with heat exchange module connects, pipe portion is located heat exchange module one side, define with unmanned aerial vehicle heat management device's the parallel face of direction of height is the plane, first return bend end with the air-out end all is towards the plane. The application can improve the overall compactness of the unmanned aerial vehicle thermal management device and reduce the occupied area.

Description

Unmanned aerial vehicle thermal management device

Technical Field

The application relates to the technical field of thermal management, in particular to an unmanned aerial vehicle thermal management device.

Background

The unmanned aerial vehicle heat management device is equipment for cooling the unmanned aerial vehicle charging device.

The unmanned aerial vehicle heat management device of related art, including fan, heat exchange tube, air-supply line and heat exchange module, heat exchange tube one end is connected with the air intake of fan, and the heat exchange tube other end is connected with the air-supply line, and heat exchange module is located the heat exchange tube at least partially, and heat exchange module realizes cooling or heating the air in the heat exchange tube, and fan, heat exchange tube and air-supply line distribute along same straight line direction.

Because in the prior art, the fans, the heat exchange pipes and the air inlet pipes are distributed along the same straight line direction, the occupation area of the unmanned aerial vehicle heat management device is larger, and the occupation area of the unmanned aerial vehicle heat management device is required to be as small as possible in some special working conditions, how to reduce the occupation area of the unmanned aerial vehicle heat management device becomes the technical problem to be solved urgently at present.

Disclosure of Invention

An object of the present application is to provide a heat management device for an unmanned aerial vehicle, which can reduce the floor space of the heat management device for an unmanned aerial vehicle.

The application provides an unmanned aerial vehicle heat management device, which comprises an air inlet pipe and a heat exchange module, wherein the air inlet pipe comprises a pipe part and a scattered port bent pipe, the scattered port bent pipe is provided with a first bent pipe end and an air outlet end, one end of the pipe part is connected with the first bent pipe end, the air outlet end is connected with the heat exchange module, the pipe part is positioned at one side of the heat exchange module, a plane parallel to the height direction of the unmanned aerial vehicle heat management device is defined as a plane, and the first bent pipe end and the air outlet end face towards the plane.

According to the application, the first bent pipe end and the air outlet end face the same plane, so that the pipe part and the heat exchange module are mutually close, and the occupied area of the unmanned aerial vehicle heat management device is reduced.

Drawings

Fig. 1 is a perspective view of a heat management device for a drone of the present application.

Fig. 2 is a perspective view of the other side of the heat management device of the drone of fig. 1.

Fig. 3 is a perspective view of the fig. 1 concealed centrifugal fan.

Fig. 4 is a perspective view of the air inlet duct of fig. 3.

Fig. 5 is a perspective cross-sectional view of the air inlet duct of fig. 4.

Fig. 6 is an exploded view of the first heat exchange tube of fig. 3, showing an air heat exchange assembly and an evaporator within the first heat exchange tube.

Fig. 7 is a perspective view of the other side of fig. 6.

Fig. 8 is a perspective view of the first heat exchange tube of fig. 6.

Fig. 9 is a perspective view of the other side of the first heat exchange tube of fig. 8.

Fig. 10 is a perspective view of the cooling tube and the flow tube of fig. 6.

Fig. 11 is a perspective cross-sectional view of the cooling tube and the flow tube of fig. 10.

Fig. 12 is a perspective view of the hidden barrier cover of fig. 1.

Fig. 13 is a perspective view of the refrigeration assembly of fig. 12.

Fig. 14 is a perspective view of the condenser, hood and condensing fan of fig. 12.

Fig. 15 is a perspective view of the other side of fig. 12.

Fig. 16 is a perspective view of the centrifugal fan, the extension pipe, the electric heater, and the second heat exchange tube of fig. 15.

Fig. 17 is a perspective cross-sectional view of fig. 16.

Fig. 18 is an exploded view of fig. 16.

Fig. 19 is a perspective view of the second housing portion of fig. 18.

Fig. 20 is an enlarged view of circle a in fig. 18.

Fig. 21 is a perspective cross-sectional view of fig. 1 for showing a blowing direction.

Fig. 22 is a perspective cross-sectional view of fig. 3.

Detailed Description

Exemplary embodiments of the present application will be described in detail below with reference to the accompanying drawings. The features of the examples and embodiments described below may be combined with each other without conflict.

As shown in fig. 1 to 22, a heat management device for a unmanned aerial vehicle according to the present application includes: the air conditioner comprises a mounting plate 1, a circulating pipe group 2 and a heat exchange module 3 for carrying out heat exchange on circulating air in the circulating pipe group 2, wherein the circulating pipe group 2 comprises a fan 21, an air inlet pipe 22 and a heat exchange pipe 5, the circulating pipe group 2 is provided with a circulating pipe air inlet end 2232 and a circulating pipe air outlet end 62, the circulating pipe air inlet end 2232 and the circulating pipe air outlet end 62 are both communicated with an unmanned aerial vehicle charging device, the fan 21 enters the heat exchange pipe 5 through the circulating pipe air inlet end 2232, the heat exchange module 3 in the heat exchange pipe 5 carries out heat exchange, and finally the air is blown to the unmanned aerial vehicle charging device through the circulating pipe air outlet end 62 to realize cooling or heating of the unmanned aerial vehicle charging device.

In some embodiments, unmanned aerial vehicle charging device periphery has sealed box, induced drafts from sealed box inner chamber, blows the wind after cooling or the heating again to in the sealed box, realizes the wind cyclic utilization of unmanned aerial vehicle charging device department, cools off unmanned aerial vehicle charging device, reduces external dust to unmanned aerial vehicle charging device's influence.

In some embodiments, the unmanned aerial vehicle charging device may also be exposed to the outside, the air inlet end 2232 of the circulating pipe and the air outlet end 62 of the circulating pipe are opposite to the unmanned aerial vehicle charging device, hot air around the unmanned aerial vehicle charging device enters the heat exchange module 3 through the air inlet end 2232 of the circulating pipe to exchange heat, and then is blown to the surface of the unmanned aerial vehicle charging device again through the air outlet end 62 of the circulating pipe, so that cooling of the unmanned aerial vehicle charging device is achieved.

Referring to fig. 1 and 2, the unmanned aerial vehicle thermal management device has a longitudinal direction X, a lateral direction Y, and a vertical direction Z, the longitudinal direction X being parallel to the longitudinal direction of the mounting board 1, the lateral direction Y being parallel to the width direction of the mounting board 1, and the vertical direction Z being parallel to the thickness direction of the mounting board 1.

Referring to fig. 3, 4 and 5, the air inlet pipe 22 has an air inlet end 2232 and an air outlet end 2222 of the circulation pipe, the air inlet pipe 22 includes a pipe portion 221, a diffuser elbow 222 and an inlet elbow 223, and continuous curves formed in the blowing direction B are located in the same plane, so that the arrangement of the pipe portion 221, the diffuser elbow 222 and the inlet elbow 223 is more compact, and the modularization of the unmanned aerial vehicle thermal management device is further improved; the inlet elbow 223 has a circulation pipe air inlet end 2232 and a second elbow end 2231, the mounting plate 1 has a first opening 13, the circulation pipe air inlet end 2232 is fixedly connected with the mounting plate 1, and the circulation pipe air inlet end 2232 is communicated with the first opening 13, the circulation pipe air inlet end 2232 is used for sucking air near the unmanned aerial vehicle charging device, and the inlet elbow 223 extends from the mounting plate 1 along the vertical direction Z direction and then extends along the transverse direction Y after being bent. The longitudinal direction of the pipe 221 is parallel to the transverse direction Y, the pipe 221 has a first pipe end 2211 and a second pipe end 2212, the first pipe end 2211 is connected to the second pipe end 2231 in a sealing manner, and the inside of the pipe 221 is communicated with the inside of the inlet pipe 223.

Referring to fig. 3, 4 and 5, the loose-mouth elbow 222 has a first elbow end 2221 and an air outlet end 2222, the first elbow end 2221 is fixedly connected with a second pipe portion end 2212, the air outlet end 2222 is located at one side of the pipe portion 221 away from the mounting plate 1, the first elbow end 2221 and the air outlet end 2222 face the same plane, and the plane is perpendicular to the transverse direction Y; in some embodiments, the first elbow end 2221 and the air outlet end 2222 are located in the same plane, and the plane is disposed perpendicular to the transverse direction Y; the air outlet end 2222 is connected with the heat exchange module 3, so that the heat exchange module 3 and the pipe 221 are distributed along the vertical direction Z, and the pipe 221 is arranged adjacent to the heat exchange module 3, so that the air inlet pipe 22 and the heat exchange module 3 are compactly arranged, and the overall size of the unmanned aerial vehicle heat management device is reduced; in some embodiments, the plane of the first bent pipe end 2221 and the plane of the air outlet end 2222 are arranged in parallel, or the arrangement of the first bent pipe end 2221 and the air outlet end 2222 only needs to realize that the pipe portion 221 is arranged adjacent to the heat exchange module 3, and the pipe portion 221 is arranged in parallel to the heat exchange tube 5.

Referring to fig. 4 and 5, the flow surface of the air inlet end 2232 of the circulation pipe is in a shape of a waist hole, the flow surface of the second bent pipe end 2231 is rectangular, the flow surfaces of the pipe portion 221 and the air outlet bent pipe 222 are rectangular, the flow areas of the inlet bent pipe 223, the pipe portion 221 and the air outlet bent pipe 222 gradually increase along the blowing direction B in sequence, the flow area of the first pipe portion end 2211 is smaller than the flow area of the second pipe portion end 2212, the flow area of the first bent pipe end 2221 is smaller than the flow area of the air outlet end 2222, and the flow area of the air inlet end 2232 of the circulation pipe is smaller than the flow area of the second bent pipe end 2231; in some embodiments, the flow area of the first pipe portion end 2211 is only required to be smaller than the flow area of the second pipe portion end 2212, the flow area of the first pipe bending end 2221 is only required to be smaller than the flow area of the air outlet end 2222, and the flow area of the air inlet end 2232 of the circulation pipe is only required to be smaller than the flow area of the second pipe bending end 2231.

When the air inlet pipe 22 is bent and arranged, the wind is unevenly distributed at the position of the air outlet bent pipe 222 when passing through the air outlet bent pipe 222, and the improvement is carried out by the following technical scheme.

The diffuser elbow 222 is internally provided with a guide plate 4, the guide plate 4 comprises a first straight sheet 41, a first bent sheet 42, a second straight sheet 43 and a second bent sheet 44, the first straight sheet 41, the first bent sheet 42, the second straight sheet 43 and the second bent sheet 44 are sequentially distributed along a blowing direction B in the diffuser elbow 222, and the width directions of the first straight sheet 41, the first bent sheet 42, the second straight sheet 43 and the second bent sheet 44 are parallel to a longitudinal direction X; one part of the first straight sheet 41 is fixedly connected with the inner side wall of the pipe part 221, the other part of the first straight sheet 41, the first bent sheet 42, the second straight sheet 43 and the second bent sheet 44 are fixedly connected with the inner side wall of the air outlet bent pipe 222, the first straight sheet 41 evenly separates the flow surfaces of the air outlet bent pipe 222, air in the air inlet position of the first bent pipe end 2221 uniformly enters the air outlet bent pipe 222, air in the air outlet position of the air outlet end 2222 uniformly discharges the air outlet bent pipe 222, and air channels in the air inlet pipe 22 are distributed more uniformly.

In some embodiments, at least two flow deflectors 4 are provided in the diffuser elbow 222, for example, referring to fig. 4 and 5, three flow deflectors 4 are provided in the diffuser elbow 222, three first straight plates 41 are distributed at equal intervals along the vertical direction Z, the flow surfaces of the pipe portion 221 are uniformly separated by the three first straight plates 41, the flow surfaces of the air outlet end 2222 are uniformly separated by the three second bent plates 44, and the flow deflectors 4 extend along the extending direction of the diffuser elbow 222.

Referring to fig. 4 and 5, the deflector 4 is an integral piece, and since the flow surface of the second bent pipe end 2231 is rectangular, the flow surfaces of the pipe portion 221 and the open bent pipe 222 are rectangular, and the deflector 4 can be more conveniently connected and fixed with the inner side walls of the pipe portion 221 and the open bent pipe 222.

After wind enters the scattering port elbow 222 through the pipe part 221, the wind is evenly divided by the three guide plates 4 and is blown to the wind outlet end 2222 along the extending direction of the guide plates 4, so that the wind channel in the scattering port elbow 222 is distributed more uniformly, the heat exchange efficiency of the heat exchange module 3 on the scattering port elbow 222 is improved, and the energy consumption is further saved.

Referring to fig. 3 and 6, the heat exchange tube 5 has a length direction parallel to the transverse direction Y, the heat exchange tube 5 includes a first heat exchange tube 51 and a second heat exchange tube 52, the length directions of the first heat exchange tube 51 and the second heat exchange tube 52 are parallel to the transverse direction Y, the heat exchange tube 5 is parallel to the tube 221, the blowing direction D in the heat exchange tube 5 is parallel to the blowing direction C in the tube 221, the heat exchange tube 5 is adjacent to the tube 221, the first heat exchange tube 51 and the second heat exchange tube 52 are distributed along the blowing direction B in sequence, one end of the first heat exchange tube 51 is fixedly connected with one end of the second heat exchange tube 52, the other end of the first heat exchange tube 51 is fixedly connected with the air outlet end 2222, the heat exchange tube 5 is communicated with the distributing elbow 222, the heat exchange module 3 includes the air heat exchange assembly 31, the refrigeration assembly 32 and the electric heater 33, and the air heat exchange assembly 31 includes the cooling tube 311, the fluid 312 and the heat exchange fan 313.

Referring to fig. 6 and 7, the first heat exchange tube 51 has a first through hole 511 and a second through hole 512, the first through hole 511 and the second through hole 512 are distributed along the longitudinal direction X, the cooling tube 311 and the flow tube 312 are located between the first through hole 511 and the second through hole 512, and both ends of the cooling tube 311 are respectively communicated with the first through hole 511 and the second through hole 512.

The first heat exchange tube 51 has a detachment through hole 513 and a blocking cover plate 514, the detachment through hole 513 is located at one side of the air heat exchange assembly 31 away from the mounting plate 1, and the blocking cover plate 514 is fixedly connected or limitedly connected with the first heat exchange tube 51. Specifically, the blocking cover plate 514 and the first heat exchange tube 51 are coupled to each other by bolts.

During installation, only the cooling pipe 311 and the flow pipe 312 are required to be installed in the heat exchange pipe 5 through the disassembly through hole 513, so that two ends of the cooling pipe 311 are respectively communicated with the first through hole 511 and the second through hole 512, and the installation of the air heat exchange assembly 31 is facilitated.

Referring to fig. 8 and 9, the first heat exchange tube 51 has three blocking sheets 515 on an inner sidewall distributed along the longitudinal direction X, the length direction of the blocking sheets 515 is parallel to the vertical direction Z, the three blocking sheets 515 are distributed along the transverse direction Y, the three blocking sheets 515 are sequentially a first blocking sheet 5151, a second blocking sheet 5152 and a third blocking sheet 5153 along the blowing direction B, the second blocking sheet 5152 and the third blocking sheet 5153 are respectively positioned at two sides of the first through hole 511 or the second through hole 512, and a filter screen is clamped between the first blocking sheet 5151 and the second blocking sheet 5152; the cooling pipe 311 and the flow pipe 312 are clamped by the second blocking piece 5152 and the third blocking piece 5153, the second blocking piece 5152 and the third blocking piece 5153 limit the movement direction of the cooling pipe 311 and the flow pipe 312 along the transverse direction Y, and the positioning of the cooling pipe 311 and the flow pipe 312 is realized, so that the installation is convenient.

Referring to fig. 10 and 11, the length direction of the flow tube 312 is parallel to the transverse direction Y, the length direction of the cooling tube 311 is parallel to the longitudinal direction X, the cooling tube 311 and the flow tube 312 are distributed along the vertical direction Z, and in some embodiments, the cooling tube 311 is disposed to intersect the flow tube 312, as in fig. 10, the cooling tube 311 is disposed perpendicular to the flow tube 312.

Referring to fig. 10 and 11, the cooling tube 311 includes a plurality of baffles 3112 and a plurality of first seals 3111, the flow tube 312 includes a plurality of second seals 3121, the plurality of baffles 3112 are equally spaced apart along a vertical direction Z, the first seals 3111 and the second seals 3121 are alternately spaced apart along the vertical direction Z, a longitudinal direction of the first seals 3111 is parallel to the longitudinal direction X, a longitudinal direction of the second seals 3121 is parallel to the transverse direction Y, the baffles 3112 are provided between each adjacent first seal 3111 and second seal 3121 along the vertical direction Z, two first seals 3111 or two second seals 3121 are provided between each adjacent two baffles 3112, and the plurality of baffles 3112, the plurality of first seals 3111 and the plurality of second seals 3121 are an integral unit.

Referring to fig. 10 and 11, a cooling channel 3113 is defined between two adjacent baffles 3112 and a first seal 3111, a circulation channel 3122 is defined between two adjacent baffles 3112 and a second seal 3121, the cooling channel 3113 and the circulation channel 3122 are located in different planes, the cooling channel 3113 and the circulation channel 3122 are perpendicular to each other, and the cooling channel 3113 is not in fluid communication with the circulation channel 3122; the cooling flow channel 3113 communicates with both the first through hole 511 and the second through hole 512, and the circulation flow channel 3122 communicates with the diffuser elbow 222; in other embodiments, the cooling tube 311 and the flow tube 312 each have fins therein; the cooling tube 311 and the flow tube 312 are located between the second blocking piece 5152 and the third blocking piece 5153.

The cooling pipe 311 and the flow pipe 312 are formed by the plurality of thin baffles 3112, the plurality of first seals 3111 and the plurality of second seals 3121, on the one hand, the cooling flow channel 3113 and the flow channel 3122 are separated by only one thin baffle 3112, the distance between the cooling flow channel 3113 and the flow channel 3122 is reduced, so that the heat exchange effect between the cooling flow channel 3113 and the flow channel 3122 is increased; on the other hand, stacking the plurality of thin baffles 3112, the plurality of first seals 3111, and the plurality of second seals 3121 facilitates the processing of the cooling flow channels 3113 and the flow channels 3122.

Referring to fig. 8 and 9, the first heat exchange tube 51 has an extension tube 516, and the extension tube 516 is disposed in alignment with the first through hole 511. Referring to fig. 7 and 9, the heat exchange fan 313 is fixedly connected to the extension tube 516, and the heat exchange fan 313 is located at a side of the extension tube 516 facing away from the first heat exchange tube 51.

By arranging the extension tube 516, the distance between the heat exchange fan 313 and the plurality of baffles 3112, the plurality of first seals 3111 and the plurality of second seals 3121 can be increased, so that the heat exchange fan 313 can more easily extract the external air in the cooling flow channel 3113, speed up the flow velocity of the external air in the cooling flow channel 3113, and improve the heat exchange efficiency between the cooling flow channel 3113 and the circulation flow channel 3122.

In the normal use process, the fan 21 and the heat exchange fan 313 are started, so that heat in the unmanned aerial vehicle charging device enters the air inlet pipe 22 through the air inlet end 2232 of the circulating pipe and is uniformly distributed by the guide plate 4 in the air inlet pipe 22, the condition that an air channel is gathered at one position in the air inlet pipe 22 due to the bending arrangement of the air inlet pipe 22 is reduced, the air channel in the air inlet pipe 22 is distributed more uniformly, the heat exchange efficiency is improved, the heat exchange fan 313 enables air outside the unmanned aerial vehicle charging device to enter the cooling pipe 311, and the cooling pipe 311 exchanges heat in the circulating pipe 312 to realize cooling of the unmanned aerial vehicle charging device; when the external environment temperature is too high, the air heat exchange assembly 31 stops operating, and the refrigeration is performed through the refrigeration assembly 32.

In some embodiments, the difference from the examples described above is that: the air heat exchange assembly 31 comprises a cooling pipe 311 and a heat exchange fan 313, the first heat exchange pipe body 51 is not provided with a first through hole 511 and a second through hole 512, the length direction of the cooling pipe 311 is parallel to the longitudinal direction X, the cooling pipe 311 penetrates through the first heat exchange pipe body 51 along the longitudinal direction, the cooling pipe 311 is fixedly connected with the first heat exchange pipe body 51, both ends of the cooling pipe 311 are exposed to the outside of the unmanned aerial vehicle heat management device, the heat exchange fan 313 is fixedly connected with the first heat exchange pipe body 51, and the heat exchange fan 313 is aligned with one end of the cooling pipe 311; when the heat exchange device is used, only the heat exchange fan 313 is required to be started, the heat exchange fan 313 accelerates the air circulation between the cooling pipe 311 and the outside of the unmanned aerial vehicle heat management device, and the heat of the circulating air in the first heat exchange pipe body 51 is exchanged with the cooling pipe 311.

In some embodiments, the difference from the examples described above is that: the air heat exchange assembly 31 includes a plurality of cooling pipes 311 and a plurality of runner pipes 312, the length direction of the plurality of cooling pipes 311 is parallel to the longitudinal direction X, the length direction of the plurality of runner pipes 312 is parallel to the transverse direction Y, the cooling pipes 311 and the runner pipes 312 are alternately stacked along the vertical direction Z, the cooling pipes 311 and the runner pipes 312 are integrally formed, cooling channels 3113 are arranged in the cooling pipes 311, circulating channels 3122 are arranged in the runner pipes 312, the cooling channels 3113 are communicated with the first through holes 511 and the second through holes 512, and the circulating channels 3122 are communicated with the air outlet end 2222 and the first heat exchange pipe body 51.

Referring to fig. 2 and 12, the refrigeration assembly 32 includes an evaporator 321, a condenser 322, a throttling element 325 and a compressor 324, the evaporator 321 is arranged in parallel with the vertical direction Z, the evaporator 321 is located in the first heat exchange tube 51, the air inlet surface of the evaporator 321 is a windward surface, the windward surface is parallel with the vertical direction Z, the windward surface of the evaporator 321 is arranged perpendicular to the blowing direction B in the heat exchange tube 5, the evaporator 321 is fixedly connected or limitedly connected with the first heat exchange tube 51, the specific evaporator 321 can be installed in the first heat exchange tube 51 through bolts, and the compressor 324 is fixedly connected with the mounting plate 1; along the longitudinal direction X, the compressor 324 and the electronic expansion valve 323 are both located between the evaporator 321 and the condenser 322, the compressor 324 is closer to the condenser 322 than the evaporator 321, and the condenser 322 is disposed in parallel with the longitudinal direction X; along the vertical direction Z, the first through hole 511 is located at one side of the condenser 322, which is away from the mounting plate 1, and when the air heat exchange assembly 31 is refrigerating, the first through hole 511 is located at one side of the condenser 322, which is away from the mounting plate 1, so that the wind directions of the condenser 322 and the heat exchange fan 313 are staggered, and the influence of the condenser 322 on the air suction rate of the heat exchange fan 313 can be reduced; the condenser 322, the electronic expansion valve 323, and the compressor 324 are all located at a side of the first through hole 511 facing away from the second through hole 512.

Referring to fig. 12 and 13, the compressor 324 has a first outlet 3241 and a first inlet 3242, the condenser 322 has a second inlet 3221 and a second outlet 3222, the evaporator 321 has a third inlet 3211 and a third outlet 3212, the throttle 325 includes an electronic expansion valve 323, and the electronic expansion valve 323 has a fourth inlet 3231 and a fourth outlet 3232; the first outlet 3241 is connected to the second inlet 3221 via a pipe, the second outlet 3222 is connected to the fourth inlet 3231 via a pipe, the fourth outlet 3232 is connected to the third inlet 3211 via a pipe, and the third outlet 3212 is connected to the first inlet 3242 via a pipe.

Referring to fig. 12 and 14, the condenser 322 has a condensing fan 3223 and a shield 3224, the shield 3224 is located between the mounting plate 1 and the condenser 322 along the vertical direction Z, the shield 3224 is fixedly connected with the condenser 322, the shield 3224 is fixedly connected with the mounting plate 1, the mounting plate 1 has a third through hole 11, the third through hole 11 is communicated with the inside of the shield 3224, the condensing fan 3223 is located in the shield 3224, and the condensing fan 3223 is aligned with the third through hole 11, and the condensing fan 3223 is fixedly connected with the mounting plate 1; in use, the condensing fan 3223 may cool the condenser 322 when the cooling assembly 32 is in operation, and the condensing fan 3223 may rapidly draw air from the heat exchange fan 313 into the condenser 322 when the cooling assembly 32 is not in operation.

Referring to fig. 15 and 16, the second heat exchange tube 52 has an extension pipe 521, the second heat exchange tube 52 and the extension pipe 521 are sequentially arranged along the blowing direction B, the extension pipe 521 is communicated with the second heat exchange tube 52, the extension pipe 521 has an extension pipe air inlet end 522 and an extension pipe air outlet end 523, the extension pipe air inlet end 522 and the second heat exchange tube 52 are integrally formed, and the flow area of the extension pipe air outlet end 523 is smaller than the flow area of the extension pipe air inlet end 522; the electric heater 33 is located in the second heat exchange tube 52, and the electric heater 33 is fixedly connected with the second heat exchange tube 52, and the cooling tube 311, the evaporator 321 and the electric heater 33 are sequentially distributed along the blowing direction B.

Referring to fig. 15 and 16, the blower 21 includes a centrifugal blower 6; in some embodiments, the fan 21 may also comprise an axial flow fan; the centrifugal fan 6 has a fan air inlet end 61 and a circulating pipe air outlet end 62, the centrifugal fan 6 includes a first housing portion 63, a second housing portion 64, and a fan blade 65, the first housing portion 63 has a fan air inlet end 61, and the fan air inlet end 61 is integrally formed with the extension pipe air outlet end 523.

Referring to fig. 18 and 19, the second housing portion 64 has a mounting through hole 641, the second housing portion 64 has a first support surface 642 and a second support surface 643, the first support surface 642 and the second support surface 643 are connected, and the first support surface 642 and the second support surface 643 are located at the periphery of the mounting through hole 641.

Referring to fig. 16 and 17, the scroll casing of the centrifugal fan 6 is disposed obliquely, the thickness direction of the centrifugal fan 6 is disposed obliquely with respect to the transverse direction Y, the scroll casing oblique direction F of the centrifugal fan 6 intersects with the transverse direction Y, a space exists between the fan air inlet end 61 and the electric heater 33, the circulation pipe air outlet end 62 is disposed adjacent to the circulation pipe air inlet end 2232, the orthographic projection of the fan air inlet end 61 on the mounting plate 1 is at least partially located within the orthographic projection of the circulation pipe air outlet end 62 on the mounting plate 1, or in some embodiments, the orthographic projection of the fan air inlet end 61 on the mounting plate 1 is located on the side of the orthographic projection of the circulation pipe air outlet end 62 on the mounting plate 1 facing away from the heat exchange tube 5; the first support surface 642 is obliquely arranged, the oblique direction E of the first support surface 642 is parallel to the oblique direction F of the centrifugal fan 6, the second support surface 643 is perpendicular to the second support surface 643, the first support surface 642 and the second support surface 643 are used for supporting the first shell 63, the first support surface 642 and the second support surface 643 are both in contact with the first shell 63, and the first shell 63 covers the mounting through hole 641; the fan blade 65 is positioned in the second shell part 64, and the second shell part 64 is rotationally connected with the fan blade 65; the first housing portion 63 and the second housing portion 64 are fixedly connected or limitedly connected, and the first housing portion 63 and the second housing portion 64 are specifically connected by bolts.

Through the inclined arrangement of the centrifugal fan 6, the fan air inlet end 61 of the centrifugal fan 6 is far away from the electric heater 33, so that on one hand, the air suction effect of the centrifugal fan 6 on the circulating air in the heat exchange tube 5 is improved, and on the other hand, the side length of a path for moving the circulating air through the electric heater 33 is increased, and the heating effect of the electric heater 33 on the circulating air is improved; through the inclined arrangement of the centrifugal fan 6, the air outlet end 62 of the circulating pipe of the centrifugal fan 6 is adjacent to the air inlet end 2232 of the circulating pipe, so that the unmanned aerial vehicle heat management device is conveniently connected with the air inlet of the unmanned aerial vehicle charging device and the air outlet of the unmanned aerial vehicle charging device, and the modularization and integration of the unmanned aerial vehicle heat management device are improved; through the slope setting of centrifugal fan 6, when installing first casing portion 63 in second casing portion 64, can place first casing portion 63 on first holding surface 642 and second holding surface 643, later pass through the bolt and connect first casing portion 63 with second casing portion 64, make things convenient for the installation of first casing portion 63 with second casing portion 64.

Referring to fig. 16 and 17, the second housing 64 has a wind collecting duct 644, the wind collecting duct 644 has a circulating duct air outlet 62 and a wind collecting duct air inlet 645, the wind collecting duct air inlet 645 is communicated with the second housing 64, and the flow area of the wind collecting duct air inlet 645 is larger than the flow area of the circulating duct air outlet 62; the flow area of the air inlet end 645 of the air gathering pipe is larger than that of the air outlet end 62 of the circulating pipe, so that the air speed blown out from the centrifugal fan 6 is increased, and the cooling or heating effect of the unmanned aerial vehicle charging device is improved; the mounting plate 1 is provided with a second opening 14, the first opening 13 and the second opening 14 are distributed along the transverse direction Y, the first opening 13 and the second opening 14 are adjacently arranged, the circulating pipe air outlet end 62 is fixedly connected with the mounting plate 1, the circulating pipe air outlet end 62 is communicated with the second opening 14, the circulating pipe air outlet end 62 and the circulating pipe air inlet end 2232 face the same plane, the plane is a plane perpendicular to the vertical direction Z, the circulating pipe air outlet end 62 and the circulating pipe air inlet end 2232 are positioned on one side of the first heat exchange tube 51 facing the mounting plate 1, specifically, the circulating pipe air outlet end 62 and the circulating pipe air inlet end 2232 face the mounting plate 1, the circulating pipe air outlet end 62 and the circulating pipe air inlet end 2232 are positioned on the same plane, and the circulating pipe air outlet end 62 and the circulating pipe air inlet end 2232 are adjacently arranged along the transverse direction Y; in some embodiments, the circulation tube air outlet end 62 is in the same plane as the circulation tube air inlet end 2232.

Referring to fig. 18 and 20, the first case portion 63 has a positioning insert 631, the positioning insert 631 has a hook portion 632, the second case portion 64 has a fixing block 646, the fixing block 646 has a positioning through hole 647, the positioning through hole 647 is used for the hook portion 632 and the positioning insert 631 to pass through, the hook portion 632 has a blocking wall 633, the positioning insert 631 is at least partially located in the positioning through hole 647, the hook portion 632 is located on a side of the fixing block 646 facing away from the first case portion 63 in an oblique direction of the second case portion 64, and the blocking wall 633 contacts the fixing block 646.

Referring to fig. 15, the mounting plate 1 has a support plate 12, the support plate 12 is inclined, the inclination direction of the support plate 12 is parallel to the inclination direction F of the centrifugal fan 6, the support plate 12 is positioned at one side of the second housing portion 64 away from the first housing portion 63, and the support plate 12 is fixedly connected with the second housing portion 64; because centrifugal fan 6 slope sets up, leads to the condition that the junction of centrifugal fan 6 and mounting panel 1 warp easily, and backup pad 12 supports centrifugal fan 6, has reduced the condition that centrifugal fan 6 warp because the slope sets up the junction that leads to centrifugal fan 6 and mounting panel 1.

The above embodiments are only for illustrating the present application and not for limiting the technical solutions described in the present application, and it should be understood that the present application should be based on those skilled in the art, and although the present application has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made to the present application without departing from the spirit and scope of the present application and modifications thereof should be covered by the scope of the claims of the present application.

Claims (10)

1. The utility model provides an unmanned aerial vehicle heat management device, its characterized in that, includes air-supply line and heat exchange module, the air-supply line includes pipe portion and scattered mouth return bend, scattered mouth return bend has first return bend end and air-out end, pipe portion one end with first return bend end is connected, the air-out end with heat exchange module connects, pipe portion is located heat exchange module one side, define with unmanned aerial vehicle heat management device's the plane of direction of height parallel face is the plane, first return bend end with the air-out end all is towards the plane.

2. The unmanned aerial vehicle thermal management device of claim 1, wherein: the pipe part is provided with a first pipe part end and a second pipe part end, the flow area of the first pipe part end is smaller than that of the second pipe part end, and the second pipe part end is connected with the first bent pipe end; the flow area of the first bent pipe end is smaller than that of the air outlet end.

3. The unmanned aerial vehicle thermal management device of claim 2, wherein: the guide plate is arranged in the scattering port bent pipe and comprises a first straight plate, a first bent plate, a second straight plate and a second bent plate, the first straight plate, the first bent plate, the second straight plate and the second bent plate are sequentially arranged along the extending direction of the air inlet pipe, the first straight plate is connected with the first bent plate, the first bent plate is connected with the second straight plate, and the second straight plate is connected with the second bent plate.

4. The unmanned aerial vehicle thermal management device of claim 2, wherein: the flow surface of the second pipe part is rectangular, and the flow surface of the loose-mouth bent pipe is rectangular.

5. The unmanned aerial vehicle thermal management device of claim 2, wherein: the air inlet pipe comprises an inlet elbow pipe, the inlet elbow pipe is provided with a circulating pipe air inlet end and a second elbow pipe end, the second elbow pipe end is connected with the first pipe end, and the circulating pipe air inlet end is positioned at one side of the pipe part, which is away from the heat exchange module.

6. The unmanned aerial vehicle thermal management device of claim 5, wherein: the unmanned aerial vehicle heat management device comprises a heat exchange tube, the heat exchange tube is connected with the air outlet end, the heat exchange module is at least partially positioned in the heat exchange tube, a continuous curve formed by the blowing directions is positioned in the same plane, and the blowing directions in the tube portion are parallel to the blowing directions in the heat exchange tube.

7. The unmanned aerial vehicle thermal management device of claim 6, wherein: the unmanned aerial vehicle heat management device comprises a fan, the fan is provided with a fan air inlet end and a circulating pipe air outlet end, the heat exchange pipe is communicated with the fan air inlet end, the heat exchange pipe is communicated with the first bent pipe end, and the heat exchange module is at least partially positioned in the heat exchange pipe.

8. The unmanned aerial vehicle thermal management device of claim 7, wherein: the unmanned aerial vehicle thermal management device comprises a mounting plate, wherein an air inlet end of the circulating pipe and an air outlet end of the circulating pipe are connected with the mounting plate, the mounting plate is provided with a first opening and a second opening, the first opening is communicated with the air inlet end of the circulating pipe, and the second opening is communicated with the air outlet end of the circulating pipe.

9. The unmanned aerial vehicle thermal management device of claim 8, wherein: the fan comprises a centrifugal fan which is obliquely arranged and is provided with a fan air inlet end and a circulating pipe air outlet end;

the orthographic projection of the air inlet end of the fan on the mounting plate is at least partially positioned in the orthographic projection of the air outlet end of the circulating pipe on the mounting plate; or the orthographic projection of the air inlet end of the fan on the mounting plate is positioned at one side of the orthographic projection of the air outlet end of the circulating pipe on the mounting plate, which is away from the heat exchange tube.

10. The unmanned aerial vehicle thermal management device of claim 9, wherein: the mounting plate is provided with a support plate, the support plate is at least partially positioned on one side of the fan, which is away from the heat exchange tube, and the support plate is connected with the centrifugal fan.