CN219154765U

CN219154765U - Unmanned aerial vehicle heat dissipation horn

Info

Publication number: CN219154765U
Application number: CN202320020634.8U
Authority: CN
Inventors: 李长有
Original assignee: China Science Star Control Tianjin Information Technology Co ltd
Current assignee: China Science Star Control Tianjin Information Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-09
Anticipated expiration: 2033-01-05

Abstract

The utility model provides a heat dissipation horn of an unmanned aerial vehicle, which comprises an arm plate, wherein a circuit board is arranged in the arm plate, one end of the arm plate is connected with a machine body, the other end of the arm plate is connected with a rotor wing, the bottom of the arm plate is provided with an air guide pipe communicated with an inner cavity, and the opening end of the air guide pipe is inclined upwards and positioned below the rotor wing. According to the unmanned aerial vehicle, the air guide pipes and the exhaust pipes which are communicated with the inner cavities are respectively arranged below and on two sides of the arm plate, one end of each air guide pipe is bent obliquely upwards and is opposite to the lower part of each rotor wing, when the unmanned aerial vehicle flies, each rotor wing rotates to push air flow, part of the air flow can enter the corresponding air guide pipe and flow through the circuit plate and is exhausted through the exhaust pipe, so that the flow of heat dissipation gas is greatly increased, heat generated by the circuit plate is exhausted, normal operation of the circuit plate is ensured, and the flying duration of the unmanned aerial vehicle is prolonged.

Description

Unmanned aerial vehicle heat dissipation horn

Technical Field

The utility model relates to the technical field of unmanned aerial vehicle heat dissipation, in particular to an unmanned aerial vehicle heat dissipation horn.

Background

An electric regulating plate for controlling a motor is usually arranged in the unmanned aerial vehicle horn shell, and a large amount of heat can be generated when the electric regulating plate works normally, and if the heat is not dissipated, the electric regulating plate can be overheated and damaged. In the prior art, heat dissipation is generally carried out directly through arranging a heat dissipation hole on the horn shell, but when the temperature is higher (the highest temperature can reach about 100 ℃), heat cannot be quickly dissipated, the heat dissipation effect is poor, and the normal flight duration of the unmanned aerial vehicle can be influenced.

The existing radiating mode of the horn mainly comprises the steps of arranging radiating holes on the horn, radiating by utilizing natural air cooling, wherein the radiating holes are smaller, the air flow passing through the radiating holes is smaller, the radiating effect is poor, and some radiating fans are arranged on the horn, but the structure is complex, the weight of the horn is increased, and the practicability is poor.

Therefore, the utility model provides the unmanned aerial vehicle radiating horn.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide the unmanned aerial vehicle radiating horn to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an unmanned aerial vehicle heat dissipation horn, includes the arm board, sets up the circuit board in the arm board, and the organism is connected to the one end of arm board and the rotor is connected to the other end, the bottom of arm board is provided with the guide duct of intercommunication inner chamber, and the opening end of this guide duct leans upward and is located the below of rotor, the both sides fixedly connected with downwarping exhaust pipe of arm board.

Further, a heat dissipation plate positioned below the circuit board is arranged in the arm plate, and a row of heat dissipation fins are fixedly arranged on the lower end face of the heat dissipation plate.

Furthermore, the air guide pipe is V-shaped, and the V bottom of the air guide pipe is provided with a drain hole.

Further, one end of the air guide pipe, which faces the rotor wing, is fixedly connected with a conical air guide cover.

Further, the bottom fixedly connected with butt joint pipe of arm board, the one end and the butt joint pipe of guide duct can dismantle the connection.

Further, the butt joint pipe is connected with the air guide pipe in a screwing mode.

The utility model has the beneficial effects that: the utility model relates to a heat dissipation horn of an unmanned aerial vehicle, which comprises an armplate; a butt joint pipe; a circuit board; a rotor; an air guide pipe; a drain hole; a conical induced draft hood; an exhaust pipe; a heat dissipation plate; and a heat radiating fin.

Set up guide duct and exhaust pipe of intercommunication inner chamber respectively in the below and the both sides of arm board, the one end of guide duct is crooked to oblique upper side and is relative with the below of rotor, when unmanned aerial vehicle flies, the rotor rotatory promotion air current, in some of this partial air current can get into the guide duct, then flow through after the circuit board and discharge through the exhaust pipe, greatly increased the flow of radiating gas, and then the heat discharge that produces the circuit board, ensure the normal operating of circuit board from this, the duration of unmanned aerial vehicle flight is prolonged.

Drawings

Fig. 1 is a schematic diagram of a structure of an unmanned aerial vehicle radiating arm middle arm plate, a circuit board, a radiating plate, a rotor wing, a wind guide pipe and an exhaust pipe in cooperation;

fig. 2 is a schematic diagram of a front view of fig. 1 in a heat dissipation horn of an unmanned aerial vehicle according to the present utility model;

in the figure: 1. an arm plate; 11. a butt joint pipe; 2. a circuit board; 3. a rotor; 4. an air guide pipe; 41. a drain hole; 42. a conical induced draft hood; 5. an exhaust pipe; 6. a heat dissipation plate; 61. and a heat radiating fin.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides an unmanned aerial vehicle heat dissipation horn, including arm board 1, set up circuit board 2 in the arm board 1, organism and other end connection rotor 3 are connected to the one end of arm board 1, circuit board 2 is the circuit module of control rotor 3 moving, adopt the circuit board on the unmanned aerial vehicle among the prior art, the heat of whole horn is produced by this circuit board 2, in order to guarantee the normal operation of rotor 3, need dispel the heat to circuit board 2, the bottom of arm board 1 is provided with the guide duct 4 of intercommunication inner chamber, the open end of this guide duct 4 leans upward and is located rotor 3's below, can produce decurrent air current when rotor 3 rotates, part air current in this part air current can get into in the guide duct 4, get into in the arm board 1 under the direction of guide duct 4, the both sides fixedly connected with decurrent exhaust pipe 5 of arm board 1, the air current outwards discharges through exhaust pipe 5 after the circuit board 2, accelerate the heat dissipation of circuit board 2, the whole process need not extra heat dissipation power structure, moreover, and a small scale can not increase holistic weight, and low cost.

In this embodiment, the heat dissipating plate 6 located below the circuit board 2 is disposed in the arm board 1, the heat dissipating plate 6 is made of aluminum, and conducts heat on the circuit board 2, a row of heat dissipating fins 61 are fixedly disposed on the lower end surface of the heat dissipating plate 6, and the air flow discharges heat after flowing through the heat dissipating fins 61, so that the heat dissipating capacity is greatly improved.

In this embodiment, the air guide pipe 4 is V-shaped and has a drain hole 41 at the V bottom, and during rainy days, rainwater is discharged outwards through the drain hole 41, so that rainwater is prevented from entering the arm board 1, wherein a conical air guiding cover 42 is fixedly connected to one end of the air guide pipe 4 facing the rotor 3, and the air guiding amount is increased by using the bell mouth of the conical air guiding cover 42.

In this embodiment, the bottom of the arm plate 1 is fixedly connected with the butt joint pipe 11, one end of the air guide pipe 4 is detachably connected with the butt joint pipe 11, the manufacture is convenient, and in particular, the butt joint pipe 11 is in screwed connection with the air guide pipe 4, so that the installation and the disassembly are convenient.

When using this heat dissipation horn, when unmanned aerial vehicle flies, rotor 3 high-speed rotation can promote the air current downwardly flowing, and partial air current can get into in the guide duct 4 through toper induced draft cover 42, then gets into armplate 1 in, and the air current can outwards be discharged through exhaust duct 5 after flowing through fin 61, and the air current can be with the heat that circuit board 2 produced mostly discharge to outside at the in-process that flows, realizes the quick heat dissipation of circuit board 2.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an unmanned aerial vehicle heat dissipation horn, includes arm board (1), sets up circuit board (2) in arm board (1), and rotor (3) are connected to the one end of arm board (1) and the other end, a serial communication port, the bottom of arm board (1) is provided with guide duct (4) of intercommunication inner chamber, and the opening end of this guide duct (4) leans upward and is located rotor (3) below, the both sides fixedly connected with of arm board (1) exhaust pipe (5) of downwarping.

2. The unmanned aerial vehicle heat dissipation horn of claim 1, wherein: the arm plate (1) is internally provided with a radiating plate (6) positioned below the circuit board (2), and a row of radiating fins (61) are fixedly arranged on the lower end face of the radiating plate (6).

3. The unmanned aerial vehicle heat dissipation horn of claim 1, wherein: the air guide pipe (4) is V-shaped, and a drain hole (41) is formed in the V bottom of the air guide pipe.

4. A heat sink horn for an unmanned aerial vehicle according to claim 3, wherein: one end of the air guide pipe (4) facing the rotor wing (3) is fixedly connected with a conical air guide cover (42).

5. The unmanned aerial vehicle heat dissipation horn of claim 1, wherein: the bottom of arm board (1) fixedly connected with butt joint pipe (11), the one end and the butt joint pipe (11) of guide duct (4) can dismantle and be connected.

6. The unmanned aerial vehicle heat dissipation horn of claim 5, wherein: the butt joint pipe (11) is connected with the air guide pipe (4) in a screwing way.