CN218703929U

CN218703929U - Oil moves unmanned aerial vehicle low temperature flight water cooling heat abstractor

Info

Publication number: CN218703929U
Application number: CN202223099760.1U
Authority: CN
Inventors: 周国强; 崔超; 冯旭; 张涛; 于进峰
Original assignee: Henan Kunyu Uav Technology Co ltd
Current assignee: Henan Kunyu Uav Technology Co ltd
Priority date: 2022-11-22
Filing date: 2022-11-22
Publication date: 2023-03-24
Anticipated expiration: 2032-11-22

Abstract

Oil moves unmanned aerial vehicle low temperature flight water-cooling heat abstractor, including the radiator, install the heat dissipation fan in the radiator top, the wind direction of heat dissipation fan is towards the radiator, the fan is connected to the controller, be connected with the outlet pipe on the water tank of radiator, the wet return, the water intaking of the water piping connection engine of radiator, the play water of wet return connection engine, at least fixed three fixed columns that are provided with around the heat dissipation fan, there is the deep bead at fixed column upper end fixed mounting, the clearance has between the upper surface of deep bead and heat dissipation fan. When the heat radiator device flies at low temperature and does not start the heat radiation fan, airflow generated by the rotor wing can not radiate the heat of the heat radiator, the working temperature of the engine is effectively ensured, and when the temperature of the engine is higher and the heat radiation of the heat radiation fan needs to be started, the heat radiation of the engine at high temperature is not influenced.

Description

Oil moves unmanned aerial vehicle low temperature flight water-cooling heat abstractor

Technical Field

The utility model relates to an oil moves unmanned aerial vehicle, in particular to oil moves radiator device of unmanned aerial vehicle low temperature flight belongs to unmanned air vehicle technical field.

Background

Although the manufacturing cost of the oil-driven unmanned aerial vehicle is high compared with that of an electric unmanned aerial vehicle, the oil-driven unmanned aerial vehicle has the advantages of long endurance and high load, the electric unmanned aerial vehicle cannot replace the oil-driven unmanned aerial vehicle when long-time operation and task execution are needed, the oil-driven unmanned aerial vehicle has obvious advantages in occasions such as large-area aviation plant protection, long-time hovering and long-time inspection, and the like, and in order to avoid the market of the advantages of the electric unmanned aerial vehicle, a great deal of research and development are put into the direction which cannot be adapted by the electric unmanned aerial vehicle such as the large-load oil-driven unmanned aerial vehicle, for example, in Chinese patent application No. 2019222280436, the applicant discloses an agricultural plant protection unmanned aerial vehicle engine temperature controllable heat dissipation device, the controllable heat dissipation device adopts a mechanism which is similar to the heat dissipation of an automobile engine by adopting a water-cooling circulating pump at present, adopts a water-cooling engine and is provided with a radiator, two heat dissipation fans are arranged on the radiator, and the wind directions of the two heat dissipation fans are blown to the radiator, the control system controls the start and stop of the cooling fan according to the detected temperature of the engine, the cooling device is completely applied to the plant protection unmanned aerial vehicle, because the plant protection unmanned aerial vehicle has lower flight height and generally can not carry out flight operation in alpine regions, along with the deepening of the research and development of the applicant on the oil-driven unmanned aerial vehicle, the demands of the oil-driven unmanned aerial vehicle on the industry and other aspects are greatly developed, such as surveying and mapping, aerial shooting, border monitoring, unmanned area searching and the like, the development of the oil-driven unmanned aerial vehicle is promised, the applicant carries out active research and development in this respect, many application scenes of the oil-driven unmanned aerial vehicle are low temperature, such as regions with the altitude of more than 3500 meters and regions with the temperature of less than ten thousand meters, some of the oil-driven unmanned aerial vehicle are required to fly above the height of several kilometers, and the temperature is reduced by 6 degrees according to the temperature of 1000 meters per liter, the temperature under the flight condition is very low, and the heat dissipation device in the Chinese patent application No. 2019222280436 has the following problems in flight: even close circulating water pump, behind the radiator fan, because the rotor rotates the effect to radiator cooling, still can have the cooling effect to the engine through the circulating water, because unmanned aerial vehicle needs "heat preservation" sometimes even in low temperature region flight engine like this, this kind of calorific loss is unfavorable for the temperature interval of engine work at the preferred, may lead to the engine to lose the temperature flame-out even, but in view of unmanned aerial vehicle still can carry out the heavy load, need the operation of high power, heat abstractor is indispensable again under this kind of circumstances, so, oil to low temperature flight moves unmanned aerial vehicle, need a solution can compromise the needs of each side in the heat dissipation.

Disclosure of Invention

The utility model aims to overcome the above-mentioned problem that present oil moves unmanned aerial vehicle radiator flight existence under the low temperature condition, provide oil and move unmanned aerial vehicle low temperature flight water-cooling heat abstractor.

In order to realize the purpose of the utility model, the following technical proposal is adopted: oil moves unmanned aerial vehicle low temperature flight radiator device, including the radiator, install the heat dissipation fan in the radiator top, the wind direction of heat dissipation fan is towards the radiator, the fan is connected to the controller, be connected with the outlet pipe on the water tank of radiator, the wet return, the water intaking of the water piping connection engine of radiator, the play water of wet return connection engine, at least fixed three fixed columns that are provided with around the heat dissipation fan, there is the deep bead at fixed column upper end fixed mounting, the clearance has between the upper surface of deep bead and heat dissipation fan.

Further, the method comprises the following steps of; the radiator is rectangular, the number of the fixing columns is four, and the four fixing columns are located at four corners of the periphery of the heat dissipation fan.

Further, the method comprises the following steps of; the left side and the right side of the wind shield are planes, and the middle of the wind shield is an upwards-convex arc-shaped surface.

The utility model discloses an actively beneficial technological effect lies in: the wind shield is installed on the heat dissipation fan, when the heat dissipation fan is not started in low-temperature flight, air flow generated by the rotor wing can not dissipate heat of the heat dissipation fan, the working temperature of the engine is effectively guaranteed, when the temperature of the engine is high and the heat dissipation fan needs to be started to dissipate heat, air flows into the heat dissipation fan from a gap between the wind shield and the upper surface of the heat dissipation fan after the heat dissipation fan is started, and heat dissipation of the engine at high temperature is not affected.

Drawings

Fig. 1 is a schematic view of the first embodiment of the present invention in the left-right direction.

Fig. 2 is a schematic front-rear direction view of a second embodiment of the present invention.

Detailed Description

In order to explain the utility model more fully, the utility model provides an implementation example. These examples are merely illustrative of the present invention and do not limit the scope of the present invention.

The invention is explained in further detail with reference to the drawings, in which the reference symbols are: 1: a heat sink; 2: a heat dissipation fan; 3: fixing a column; 4: a wind deflector; 5: and a nut.

The wind shield shown in fig. 1 is a flat plate, four fixing columns 3 are fixedly mounted on the periphery of a heat dissipation fan 2 above a radiator 1, steps are arranged at the upper ends of the four fixing columns, a screw rod is arranged above the steps, the screw rod penetrates through holes in four corners of the wind shield and then is locked through nuts 5, and an air inlet gap is formed between the wind shield and the upper surface of the heat dissipation fan.

Fig. 2 is an embodiment in which the wind deflector 4 is curved in the left-right direction, the left side and the right side of the wind deflector are provided with two flat edges, the flat edges are provided with holes, and the holes penetrate through the screw rods and are locked by nuts. The arc is that the air current that the rotor produced flows along the arc surface, reduces the interference of air current to unmanned aerial vehicle itself.

The heat radiator is used and connected with the same current heat radiating system on an automobile, a water outlet pipe and a water return pipe are connected to a water tank of the heat radiator, the water outlet pipe of the heat radiator is connected with the water inlet of an engine cooling water jacket, the water return pipe is connected with the water outlet of the engine cooling water jacket to form a circulating water path, a circulating pump is installed on the circulating water path, the circulating water path is the same as a heat radiating water tank of the automobile, and a water supplementing tank (an expansion water tank) is connected to the water tank of the heat radiator.

The heat dissipation device is different from a heat dissipation water tank on an automobile in that a heat dissipation fan in the device blows air to the direction of a radiator, and the radiator of the heat dissipation water tank of the automobile blows air to the direction far away from the radiator.

The downward wind formed by the rotor wing under the action of the wind shield can not enter the radiator any more, so that the heat of the radiator can not be dissipated at low temperature, and the working temperature of the engine can be ensured.

After the embodiments of the present invention have been described in detail, those skilled in the art can clearly understand that various changes and modifications can be made without departing from the scope and spirit of the above claims, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention all fall within the scope of the technical solution of the present invention, and the present invention is not limited to the embodiments of the examples given in the specification.

Claims

1. Oil moves unmanned aerial vehicle low temperature flight water-cooling heat abstractor, including the radiator, the radiator have a water tank, install the heat dissipation fan in the radiator top, the wind direction of heat dissipation fan is towards the radiator, the fan is connected to the controller, is connected with outlet pipe, wet return on the water tank of radiator, the water intaking of the water piping connection engine of radiator, the play water of wet return connection engine, its characterized in that: at least three fixing columns are fixedly arranged around the heat dissipation fan, a wind shield is fixedly mounted at the upper ends of the fixing columns, the wind shield covers the area of the whole heat dissipation fan, and a gap is reserved between the wind shield and the upper surface of the heat dissipation fan.

2. The water-cooling heat dissipation device for low-temperature flight of the oil-driven unmanned aerial vehicle as claimed in claim 1, wherein: the radiator is rectangular, the number of the fixing columns is four, and the four fixing columns are located at four corners of the periphery of the radiating fan.

3. The water-cooling heat dissipation device for low-temperature flight of oil-driven unmanned aerial vehicle as claimed in claim 1, wherein: the left side and the right side of the wind shield are planes, and the middle of the wind shield is an upwards-convex arc-shaped surface.