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Heat dissipation facilitated small single-rotor-wing unmanned helicopter engine cylinder block structure

A technology of unmanned helicopters and engine cylinders, which is applied in the direction of machines/engines, engine components, cylinders, etc., can solve the problems of good heat dissipation, achieve excellent heat dissipation, prevent seepage or leakage, and prolong continuous flight time.

Inactive Publication Date: 2017-06-13
衡阳云雁航空科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is used in conjunction with the water cooling jacket, which increases the way of water cooling and heat dissipation, and has a good heat dissipation effect, which solves the various disadvantages of the existing small single-rotor unmanned helicopter engine using air cooling and heat dissipation

Method used

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  • Heat dissipation facilitated small single-rotor-wing unmanned helicopter engine cylinder block structure
  • Heat dissipation facilitated small single-rotor-wing unmanned helicopter engine cylinder block structure
  • Heat dissipation facilitated small single-rotor-wing unmanned helicopter engine cylinder block structure

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Experimental program
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Embodiment 1

[0015] Such as figure 1 Shown: a small single-rotor unmanned helicopter engine block structure that is conducive to heat dissipation, including a block 1, and the outer wall of the block 1 is covered by a plurality of cooling fins 11 that are evenly arranged and connected to it. It is characterized by: the outer wall of the block 1 There is an annular vacant zone 12 not connected with the cooling fins 11 . The cylinder block 1 includes a high temperature zone, an intake zone and a ventilation zone, and the annular void zone 12 is set in the high temperature zone 13 of the cylinder block 1 .

[0016] The structure after the present invention is assembled with water cooling suit is as figure 2 , 3 Shown:

[0017] Including cylinder block 1 and water cooling jacket. The water-cooling jacket includes a left arc-shaped jacket 21 and a right arc-shaped jacket 22. The left and right arc-shaped sleeves are installed on the annular vacant belt 12 of the cylinder body 1 and are co...

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Abstract

A heat dissipation facilitated small single-rotor-wing unmanned helicopter engine cylinder block structure comprises a cylinder block and a water jacket. The outer wall of the cylinder block is connected with a plurality of heat dissipation fins, and the outer wall of the cylinder block is provided with annular vacancy zones not connected with the heat dissipation fins. The water jacket is arranged on the annular vacancy zones of the cylinder block in a sealing manner, an annular water cavity is formed between the water jacket and the cylinder block, and the annular water cavity is provided with a water inlet connector and a water outlet connector communicating with the annular water cavity. The heat dissipation facilitated small single-rotor-wing unmanned helicopter engine cylinder block structure has the beneficial effects that when an engine works, cooling water is introduced into the annular water cavity through the water inlet connector, the cooling water absorbs heat of the cylinder block in the process of flowing in the cooling water cavity, then, the cooling water is drained through the water outlet connector, the heat dissipation effect is superior to that of a small aero-engine dissipating heat through air cooling, the working stability of the engine is guaranteed, and the flying duration of an unmanned helicopter is prolonged.

Description

technical field [0001] The invention relates to an engine cylinder structure, in particular to a small single-rotor unmanned helicopter engine cylinder structure which is beneficial to heat dissipation. Background technique [0002] Existing small aeroengines are often used in unmanned helicopters, such as aerial photography drones or agricultural spraying pesticides, or small aircraft models and military fixed-wing target aircraft. Considering its weight and operating conditions, its heat dissipation mechanism includes heat dissipation fins arranged side by side on the engine body, that is, it uses air cooling to dissipate heat. The generated convective air cools the engine body. [0003] However, there are the following problems in the process of use: when the propeller speed of the UAV decreases or the flight speed decreases, the wind force will weaken, and the cooling efficiency of the heat dissipation mechanism will be greatly reduced, resulting in unstable engine oper...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/18
CPCF02F1/18
Inventor 王国初
Owner 衡阳云雁航空科技有限公司
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