Model airplane generator with self-cooling device

Abstract

The utility model relates to a model airplane generator with a self-radiating device, which comprises an engine, a generator, a centrifugal fan and a wind scooper, the engine is connected with and drives the generator, a rotor of the generator is connected with and drives the centrifugal fan, and an air outlet of the centrifugal fan is communicated with an air inlet of the wind scooper. And an air outlet of the wind scooper is respectively communicated with the outer surfaces of the engine and the generator. According to the model airplane generator with the self-heat-dissipation device, the centrifugal fan is additionally arranged on the basis of the generator, the centrifugal fan rotates along with the generator, the wind speed can reach 12-14 m / s, heat dissipation is conducted on the generator and the engine at the same time through the wind scooper, and compared with a traditional ducted fan, energy is saved by about 50%.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of model airplane generator, especially relates to the model airplane generator with self heat abstractor. BACKGROUND

[0002] At present, the rotor unmanned aerial vehicle on the market is mostly battery version unmanned aerial vehicle, that is, the energy source is battery, and the model airplane engine is mostly used for fixed wing. On the fixed wing unmanned aerial vehicle, the model airplane engine is cooled by wind generated by high-speed flight of the unmanned aerial vehicle.

[0003] With the continuous market test, the shortcoming of short time of rotor unmanned aerial vehicle is more and more obvious, therefore, the hybrid rotor unmanned aerial vehicle emerges as the times require, that is, on the basis of the model airplane engine, a super-light generator is matched, so as to reach a certain power-to-weight ratio, that is, under the same weight as the battery, the electric power emitted can be flat with the battery. However, the heat dissipation of the engine and the generator becomes an urgent problem to be solved. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model aims at the shortage of the prior art, and provides a model airplane generator with self heat abstractor, which can self-heat the generator and the engine during power generation.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The model airplane generator with self heat abstractor comprises an engine, a generator, a centrifugal fan and a wind deflector, the engine is connected to drive the generator, the rotor of the generator is connected to drive the centrifugal fan, the air outlet of the centrifugal fan is communicated with the air inlet of the wind deflector, and the air outlets of the wind deflector are respectively communicated with the outer surfaces of the engine and the generator.

[0007] In order to better realize the utility model, the air inlet of the centrifugal fan is provided with a wind collecting cover in the above-mentioned structure.

[0008] In order to better realize the utility model, the wind collecting cover is provided with a wind volume adjusting switch in the above-mentioned structure.

[0009] In order to better realize the utility model, the number of blades of the centrifugal fan is 13 in the above-mentioned structure.

[0010] In order to better realize the utility model, the outer surface of the engine is provided with a cooling fin in the above-mentioned structure.

[0011] In order to better realize the utility model, the wind deflector is provided with two and is symmetrically arranged on the two sides of the engine in the above-mentioned structure.

[0012] In order to better realize the utility model, further optimization is made in the above structure, the air deflector is provided with air outlet one and air outlet two, the sectional area of the air outlet one is smaller than that of the air outlet two, the air outlet one is communicated to the outer surface of the generator, and the air outlet two is communicated to the outer surface of the engine.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The model ship generator with the self-heat dissipation device provided by the utility model is additionally provided with a centrifugal fan on the basis of the generator, the centrifugal fan rotates with the generator, the wind speed can reach 12-14m / s, the generator and the engine are simultaneously heat dissipated through the air deflector, and compared with the traditional ducted fan, the energy saving is about 50%. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the drawings for the ordinary skilled in the art without creative labor.

[0016] Fig. 1 It is the structure schematic view of the model ship generator with the self-heat dissipation device of the utility model;

[0017] Fig. 2 It is the explosion view of the model ship generator with the self-heat dissipation device of the utility model;

[0018] Fig. 3 It is the structure schematic view of the air deflector in the utility model.

[0019] In the drawing:

[0020] 1-engine, 101-heat dissipation fin, 2-generator, 3-centrifugal fan, 4-air deflector, 401-air outlet one, 402-air outlet two, 5-air deflector, 501-wind volume adjusting switch. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only some embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the range protected by the utility model.

[0022] In the description of the utility model, it is necessary to explain that, unless otherwise stated, the meaning of "multiple" is two or more than two;The orientation or position relation indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. It is indicated or implied that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it is also necessary to explain that, unless otherwise stated and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0024] Please refer to Figs. 1-3 The model generator with self-heat dissipation device provided by the utility model, including engine 1, generator 2, centrifugal fan 3 and wind scooper 4, engine 1 is connected to drive generator 2, the rotating speed is 5000-6000 revolutions, the rotor of generator 2 is connected to drive centrifugal fan 3, the number of blade of centrifugal fan 3 is 13. Make centrifugal fan 3 rotate with generator 2, the wind speed can reach 12-14 m / s, utilize the heat of engine 1 and generator 2 surface to be taken away by fan, realize self-heat dissipation.

[0025] The air outlet of centrifugal fan 3 is communicated with the air inlet of wind scooper 4, the air outlet of wind scooper 4 is respectively communicated to the outer surface of engine 1 and generator 2, and the outer surface of engine 1 is provided with a cooling fin 101, which can increase the heat dissipation efficiency. Details are shown in Fig. 3 In this embodiment, the wind scooper 4 is provided with an air outlet one 401 and an air outlet two 402, the cross-sectional area of the air outlet one 401 is smaller than that of the air outlet two 402, the air outlet one 401 is communicated to the outer surface of the generator 2, and the air outlet two 402 is communicated to the outer surface of the engine 1. The wind scooper 4 is provided with two and is symmetrically arranged on the two sides of the engine 1, and the working efficiency of heat dissipation is increased.

[0026] In this embodiment, the air inlet of centrifugal fan 3 is provided with a wind scooper 5 for increasing the air intake, and the wind scooper 5 is provided with an air volume adjusting switch 501, which adjusts the air intake according to the external temperature, so as to achieve the purpose of temperature control.

[0027] In operation, the centrifugal fan 3 rotates with the generator 2, and cold air enters the device from the top air collector 5, and then is divided by the air collector 4, and the cold air blows to the surfaces of the engine 1 and the generator 2 to take away the heat on the surfaces, thereby achieving self-heat dissipation.

[0028] The above merely describes the specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A model boat power generator having a self-heat dissipating device, characterized by: It includes an engine (1), a generator (2), a centrifugal fan (3) and a wind guide cover (4), the engine (1) is connected to drive the generator (2), the rotor of the generator (2) is connected to drive the centrifugal fan (3), the air outlet of the centrifugal fan (3) is communicated with the air inlet of the wind guide cover (4), and the air outlets of the wind guide cover (4) are respectively communicated with the outer surfaces of the engine (1) and the generator (2).

2. The model boat electric generator having a self-heat dissipating device according to claim 1, characterized in that: The air inlet of the centrifugal fan (3) is provided with a wind collecting cover (5).

3. The model boat electric generator having a self-heat dissipating device according to claim 2, characterized in that: The wind collecting cover (5) is provided with a wind volume adjusting switch (501).

4. The model boat electric generator having a self-heat dissipating device according to claim 3, wherein: The number of blades of the centrifugal fan (3) is 13.

5. The radio-controlled model boat motor with self-heat-dissipation device according to any one of claims 1-4, characterized in that: The outer surface of the engine (1) is provided with a cooling fin (101).

6. The radio-controlled model boat power generator with a self-heat-dissipation device according to claim 5, characterized in that: The wind guide cover (4) is provided with two and is symmetrically arranged on the two sides of the engine (1).

7. The radio-controlled model boat power generator with a self-heat-dissipation device according to claim 6, characterized in that: The wind guide cover (4) is provided with an air outlet one (401) and an air outlet two (402), the cross-sectional area of the air outlet one (401) is smaller than that of the air outlet two (402), the air outlet one (401) is communicated with the outer surface of the generator (2), and the air outlet two (402) is communicated with the outer surface of the engine (1).

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