CN214206271U - Airborne power supply device and unmanned aerial vehicle - Google Patents
Airborne power supply device and unmanned aerial vehicle Download PDFInfo
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- CN214206271U CN214206271U CN202120413321.XU CN202120413321U CN214206271U CN 214206271 U CN214206271 U CN 214206271U CN 202120413321 U CN202120413321 U CN 202120413321U CN 214206271 U CN214206271 U CN 214206271U
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Abstract
The application provides an airborne power supply device and an unmanned aerial vehicle, wherein the airborne power supply device comprises a power module temperature equalizing plate and a radiator, and the temperature equalizing plate is arranged on one side of the power module and is attached to the power module; the radiator comprises a radiating shell and radiating fins, the radiating fins are arranged on the outer surface of the radiating shell, the power module and the temperature equalizing plate are contained in the radiating shell, and the temperature equalizing plate is attached to the inner surface of the radiating shell. This application can improve airborne power supply unit's heat dispersion, avoids airborne power supply unit to damage because the high temperature.
Description
Technical Field
The application relates to the technical field of unmanned aerial vehicles, in particular to an airborne power supply device and an unmanned aerial vehicle.
Background
The 5G communication is a fifth generation mobile communication technology, namely, an extension behind 2G, 3G and 4G systems, and the purpose of 5G final implementation is to improve data rate, reduce delay, save energy, reduce cost, improve system capacity and large-scale device connection. With the popularization of 5G communication, people increasingly rely on networks in daily life, and when accidents such as natural disasters occur, the networks are easy to be damaged in a large area, so that disaster relief work cannot be smoothly carried out, and the daily life of people after disasters is also influenced. The unmanned aerial vehicle basic station can reach the accident site in a flexible way, resumes the network in disaster area rapidly, consequently, unmanned aerial vehicle has played irreplaceable effect in the communication reply accident of 5G.
Power equipment on the unmanned aerial vehicle all obtains from the high voltage direct current bus through airborne power supply, and airborne power supply during operation can produce a large amount of heat energy, for making unmanned aerial vehicle can have the ability of lasting work to improve the stability of 5G network, the heat dispersion that the airborne power supply was improved to urgent need.
SUMMERY OF THE UTILITY MODEL
The application provides airborne power supply unit and unmanned aerial vehicle to improve airborne power supply unit's heat dispersion, avoid airborne power supply unit to damage because the high temperature.
A first aspect of the present application provides an onboard power supply apparatus, comprising:
a power supply module;
the temperature equalizing plate is arranged on one side of the power supply module and is attached to the power supply module;
the radiator comprises a radiating shell and radiating fins, the radiating fins are arranged on the outer surface of the radiating shell, the power module and the temperature equalizing plate are contained in the radiating shell, and the temperature equalizing plate is attached to the inner surface of the radiating shell.
Optionally, heat-conducting silicone grease is respectively coated between the temperature-equalizing plate and the heat-dissipating housing, and between the temperature-equalizing plate and the power module.
Optionally, a first connecting hole is formed in the heat dissipation shell, a second connecting hole is formed in the temperature equalization plate, and a third connecting hole is formed in the power module;
the airborne power supply device further comprises a fastener, and the fastener sequentially penetrates through the third connecting hole and the second connecting hole to be fixed to the first connecting hole.
Optionally, the power module is provided with a first limiting structure, the heat dissipation shell is provided with a second limiting structure, and the second limiting structure and the first limiting structure are mutually abutted to limit the distance between the power module and the heat dissipation shell.
Optionally, the power module is provided with a first positioning structure, the heat dissipation housing is provided with a second positioning structure, and the second positioning structure is matched with the first positioning structure to limit the relative position between the power module and the heat dissipation housing.
Optionally, the first positioning structure is protruded at an end of the first limiting structure, and the second positioning structure is recessed in a surface of the second limiting structure.
Optionally, the first limiting structure is detachably connected to the power module.
Optionally, the heat dissipation fins are integrally formed with the heat dissipation housing.
Optionally, the onboard power supply device further includes a fan fixedly connected to the heat dissipation fin.
A second aspect of the present application provides an unmanned aerial vehicle comprising any one of the onboard power supply arrangements provided by the present application.
The technical scheme provided by the application can achieve the following beneficial effects:
the airborne power supply device comprises a power supply module, a temperature equalizing plate and a radiator, wherein rapid heat transfer and uniform heat distribution are realized through the temperature equalizing plate, and rapid heat release is realized through the radiator, so that the heat dissipation performance of the airborne power supply device is improved, and the airborne power supply device is prevented from being damaged due to overhigh temperature; the temperature equalizing plate is arranged on one side of the power supply module and is attached to the power supply module, the heat conducting capacity of the temperature equalizing plate is high, so that heat emitted by the power supply module can be rapidly and uniformly distributed on a large heat dissipation area, the heat dissipation efficiency is improved, and the size of the airborne power supply device can be effectively controlled and the power-to-volume ratio of the airborne power supply device is improved due to the fact that the temperature equalizing plate is thin; the radiator comprises a radiating shell and radiating fins, wherein the radiating fins are arranged on the outer surface of the radiating shell, and form a larger radiating area to play a main radiating role; the power module and the temperature equalizing plate are accommodated in the heat dissipation shell, the power module can be protected through the heat dissipation shell, the power module is prevented from being damaged by external force, the heat dissipation area can be further increased, and the heat dissipation efficiency is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
Fig. 1 is a schematic structural diagram of an onboard power supply device provided in an embodiment of the present application;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic diagram of the exploded structure of FIG. 1;
fig. 5 is a schematic structural diagram of the heat sink in fig. 1.
Reference numerals:
1-a power supply module;
10-a third connection hole;
12-a first limit structure;
14-a first positioning structure;
2-a temperature-equalizing plate;
20-a second connection hole;
3-a radiator;
30-a heat dissipation housing;
300-a first connection hole;
302-a second limit structure;
304-a second positioning structure;
32-heat dissipation fins;
320-a first fin;
322-a second fin;
324-a third fin;
326-fourth fin;
328-a mounting hole;
5-a fan;
6-cover plate.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless specified or indicated otherwise; the terms "connected," "fixed," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, integrally connected, or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description of the present application, it should be understood that the terms "upper" and "lower" used in the description of the embodiments of the present application are used in a descriptive sense only and not for purposes of limitation. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
As shown in fig. 1 to 5, an onboard power supply device according to an embodiment of the present application includes a power module 1, a temperature-uniforming plate 2, and a heat sink 3, where rapid heat transfer and uniform heat distribution are achieved through the temperature-uniforming plate 2, and rapid heat release is achieved through the heat sink 3, so as to improve heat dissipation performance of the onboard power supply device and prevent the onboard power supply device from being damaged due to an excessively high temperature. The power module 1 comprises a power main body part and a power main board which are connected with each other; the temperature equalizing plate 2 is arranged on one side of the power supply module 1 and is attached to the power supply module 1, and specifically, the temperature equalizing plate 2 is arranged on one side of the power supply main body part, which is far away from the power supply main board; the temperature equalizing plate 2 has strong heat conducting capacity, so that heat emitted by the power module 1 can be rapidly and uniformly distributed on a larger heat dissipation area, the heat dissipation efficiency is improved, and the volume of the airborne power supply device can be effectively controlled and the power-to-volume ratio of the airborne power supply device is improved due to the thin thickness of the temperature equalizing plate 2; the radiator 3 comprises a radiating shell 30 and radiating fins 32, the radiating fins 32 are arranged on the outer surface of the radiating shell 30, and the radiating fins 32 form a larger radiating area to play a main radiating role; the power module 1 and the temperature equalizing plate 2 are accommodated in the heat dissipation shell 30, the power module 1 can be protected through the heat dissipation shell 30, the power module 1 is prevented from being damaged by external force, the heat dissipation area can be further increased, and the heat dissipation efficiency is improved.
Further, the onboard power supply device further comprises a fan 5, the fan 5 is fixedly connected to the radiating fins 32, the flowing speed of air is increased through the fan 5, and the radiating efficiency is further improved. One end of the radiating fin 32, which is far away from the radiating shell 30, can be provided with a mounting groove, and the fan 5 is fixed in the mounting groove, so that the power of the fan can be fully utilized, the structure of the airborne power supply device can be more compact, and the volume of the airborne power supply device can be reduced; the fan 5 may be an axial flow fan, and the wind direction formed by the fan 5 is perpendicular to the surface of the heat dissipation housing 30, that is, at the position facing the fan 5, the external air flows in the direction close to the heat dissipation housing 30 and takes away a part of the heat dissipation fins 32; when the air flows to the surface of the heat dissipation housing 30, the air flows to both sides along the heat dissipation channels formed by the heat dissipation fins 32, and further takes away the heat of the heat dissipation fins 32.
Further, the heat dissipating fins 32 extend along the length direction of the heat dissipating housing 30, and the heat dissipating fins 32 are disposed in a wave-shaped structure, that is, the surface of the heat dissipating fins 32 is disposed in an uneven structure with alternately distributed recesses and protrusions, so as to increase the surface area of the heat dissipating fins 32, thereby further improving the heat dissipating effect.
The heat dissipation fins 32 include a first fin 320, a second fin 322, a third fin 324, and a fourth fin 326. First fins 320 are provided at both edges of the heat dissipation case 30 in the width direction, and the outer contour of the heat dissipation fins 32 is defined by the first fins 320; the second fins 322 are arranged at two edges of the heat dissipation shell 30 along the length direction, and the second fins 322 and the first fins 320 jointly form a mounting groove for mounting the fan 5; the third fin 324 is opposite to the center of the fan 5, and plays a role in dividing and guiding, so that the wind generated by the fan 5 can flow along a predetermined direction; the fourth fin 326 is disposed between the second fin 322 and the third fin 324, the fourth fin 326 is provided with a mounting hole 328, the fan 5 is fixed to the mounting hole 328 by screws, and spaces are respectively disposed between the fourth fin 326 and the second fin 322 and between the fourth fin 326 and the third fin 324 to avoid stress concentration.
Specifically, the heat dissipation housing 30 includes first and second sides disposed opposite to each other. The first side is provided with an opening, the temperature-equalizing plate 2 and the power module 1 are arranged in the heat-radiating shell 30 from the opening, and the temperature-equalizing plate 2 is attached to the inner surface of the second side; the opening is provided with a cover plate 6 which is detachably connected, and the opening of the heat dissipation shell 30 is closed through the cover plate 6, so that a closed cavity is formed inside the heat dissipation shell 30, and internal elements of the airborne power supply device are prevented from being damaged or falling off; radiating fin 32 sets up in the surface of second side, because the second side is direct to be contacted with temperature-uniforming plate 2, lead to second side heat relatively more concentrated, through set up radiating fin 32 in the second side, can enough effectively have the heat that power module 1 produced, can reduce radiating fin 32's total amount again, thereby reduce the volume of airborne power supply unit, furthermore, because other positions of heat dissipation shell 30 except that the second side do not set up radiating fin 32, make airborne power supply unit's appearance structure more regular, thereby avoid airborne power supply unit and unmanned aerial vehicle's other spare parts to produce and interfere or collide, make things convenient for airborne power supply unit's installation.
Further, radiating fins 32 and radiating shell 30 integrated into one piece reduce spare part quantity, simplify the structure of machine and carry power supply unit, make things convenient for machine to carry power supply unit's assembly to improve overall structure intensity, prevent to produce in the use not hard up, influence radiating efficiency.
Further, between temperature-uniforming plate 2 and heat dissipation shell 30, and between temperature-uniforming plate 2 and power module 1, scribble heat conduction silicone grease respectively, play the effect of heat transfer medium through heat conduction silicone grease, further improve the radiating efficiency, but also can play the shockproof effect of buffering, prevent that power module 1 from damaging because violent vibrations.
Further, a first connecting hole 300 is formed in the heat dissipation shell 30, a second connecting hole 20 is formed in the temperature equalization plate 2, and a third connecting hole 10 is formed in the power module 1; the onboard power supply device further comprises a fastener, the fastener can be a threaded fastener and can also be a fastener and any connecting piece capable of achieving fastening such as a buckle, the fastener sequentially penetrates through the third connecting hole 10 and the second connecting hole 20 and is fixed to the first connecting hole 300, and therefore the power supply module 1, the temperature equalizing plate 2 and the heat dissipation shell 30 are fixed into a whole.
Further, the power module 1 is provided with a first limiting structure 12, the heat dissipation housing 30 is provided with a second limiting structure 302, the second limiting structure 302 and the first limiting structure 12 are abutted against each other to limit the distance between the power module 1 and the heat dissipation housing 30, and the power module 1 is prevented from being too close to the heat dissipation housing 30, so that the power module 1 or the temperature equalization plate 2 is prevented from being damaged due to too large extrusion force. To simplify the structure of the heat dissipation housing 30, the inner surface of the heat dissipation housing 30 may be used as the second limiting structure 302, that is, the first limiting structure 12 abuts against the inner surface of the heat dissipation housing 30, so as to limit the distance between the power module 1 and the heat dissipation housing 30.
Further, power module 1 is equipped with first location structure 14, and heat dissipation shell 30 is equipped with second location structure 304, and second location structure 304 cooperatees with first location structure 14 to inject the relative position between power module 1 and the heat dissipation shell 30, can enough make things convenient for further fixed of power module 1, can prevent again that power module 1 from removing in the inside of heat dissipation shell 30, increase the fixed stability of power module 1 installation.
Further, the first positioning structure 14 is convexly disposed at the end of the first position-limiting structure 12, and the second positioning structure 304 is recessed in the surface of the second position-limiting structure 302; specifically, the first positioning structure 14 and the first position-limiting structure 12 are arranged in a stepped shaft-like structure connected with each other, and the radial dimension of the first positioning structure 14 is smaller than that of the first position-limiting structure 12; the second locating structure 304 and the second position-limiting structure 302 are arranged in an interconnected stepped-hole configuration, and the radial dimension of the second locating structure 304 is smaller than the radial dimension of the second position-limiting structure 302.
Further, first limit structure 12 can be dismantled and connect in power module 1, for example, can be fixed in power module 1 through modes such as screw, avoids changing power module 1's original structure as far as possible to reduce airborne power supply unit's manufacturing cost, improve airborne power supply unit's production efficiency.
In addition, this application embodiment still provides an unmanned aerial vehicle, and it includes any one kind of airborne power supply unit that this application embodiment provided.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. An onboard power supply apparatus, comprising:
a power supply module;
the temperature equalizing plate is arranged on one side of the power supply module and is attached to the power supply module;
the radiator comprises a radiating shell and radiating fins, the radiating fins are arranged on the outer surface of the radiating shell, the power module and the temperature equalizing plate are contained in the radiating shell, and the temperature equalizing plate is attached to the inner surface of the radiating shell.
2. The on-board power supply device according to claim 1, wherein heat-conducting silicone grease is coated between the temperature-uniforming plate and the heat-dissipating housing and between the temperature-uniforming plate and the power supply module respectively.
3. The airborne power supply device according to claim 1, wherein a first connection hole is formed in the heat dissipation housing, a second connection hole is formed in the temperature equalization plate, and a third connection hole is formed in the power supply module;
the airborne power supply device further comprises a fastener, and the fastener sequentially penetrates through the third connecting hole and the second connecting hole to be fixed to the first connecting hole.
4. An on-board power supply device according to any one of claims 1-3, wherein the power module is provided with a first stop structure, and the heat dissipation housing is provided with a second stop structure, the second stop structure abutting against the first stop structure to limit the distance between the power module and the heat dissipation housing.
5. The on-board power supply device of claim 4, wherein the power module is provided with a first locating structure and the heat sink housing is provided with a second locating structure that cooperates with the first locating structure to define a relative position between the power module and the heat sink housing.
6. The device according to claim 5, wherein the first positioning structure is protruded from an end of the first limiting structure, and the second positioning structure is recessed from a surface of the second limiting structure.
7. The on-board power supply device of claim 6, wherein the first retaining structure is removably connected to the power module.
8. The on-board power supply device of any of claims 1-3, wherein the heat sink fins are integrally formed with the heat sink housing.
9. The on-board power supply device of any of claims 1-3, further comprising a fan fixedly attached to the heat sink fins.
10. A drone, characterized in that it comprises an onboard power supply device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413321.XU CN214206271U (en) | 2021-02-24 | 2021-02-24 | Airborne power supply device and unmanned aerial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120413321.XU CN214206271U (en) | 2021-02-24 | 2021-02-24 | Airborne power supply device and unmanned aerial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214206271U true CN214206271U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120413321.XU Active CN214206271U (en) | 2021-02-24 | 2021-02-24 | Airborne power supply device and unmanned aerial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214206271U (en) |
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2021
- 2021-02-24 CN CN202120413321.XU patent/CN214206271U/en active Active
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