Integrated oil supply device for unmanned aerial vehicle

Abstract

The utility model discloses an unmanned aerial vehicle integrated oil supply device, and relates to the technical field of unmanned aerial vehicle oil supply, the unmanned aerial vehicle integrated oil supply device comprises an integrated cabin box and an accessory assembly, the accessory assembly is located in the integrated cabin box, the integrated cabin box comprises a box body, a box cover and a hinge, the box body and the box cover are rotatably connected through the hinge, and the box cover is located in the box body. The box body is provided with an oil supply opening, the bottom and the periphery of the box body are provided with installation threaded holes of the accessory assembly, an installation protrusion is arranged outside the box body, and the accessory assembly comprises a two-way quick connector, a power supply aviation plug, a pressure reducing valve, an air valve, an oil filter, an oil valve and a pressure sensor. All accessories of the oil supply system of the fixed-wing unmanned aerial vehicle are integrated, and after the oil supply system is installed on the fixed-wing unmanned aerial vehicle, the overall consistency is good, the onboard cabin space is wide, onboard operation is easy and convenient, the production time is long, and the production efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicle oil supply, and in particular to an integrated unmanned aerial vehicle oil supply device. Background Art

[0002] Fixed-wing UAVs are a type of UAV with fixed wings whose outer wing sweep angle can be adjusted automatically or manually with speed. Due to its excellent functions and modular integration, it has been widely used in surveying and mapping, geology, petroleum, agriculture and forestry, and has broad market application prospects. The existing fixed-wing UAV fuel supply system is composed of various functional accessories, but in order to adapt to the fuel supply accessories, various accessories are scattered in various positions of the fuselage. It is necessary to design an installation structure for the fuel supply accessories separately, and the overall consistency is poor. The onboard cabin space is narrow, the onboard operation is difficult, the production time is long, and the production efficiency is low. In addition, due to the dispersion of the accessories, it is impossible to operate under the aircraft, which brings considerable difficulties to the installation and debugging of the UAV. Utility Model Content

[0003] 1. Technical problems to be solved by the utility model

[0004] In view of the technical problems that the components and accessories of the existing fixed-wing UAV fuel supply system are scattered in various positions of the body, it is necessary to design an installation structure for the fuel supply accessories separately, and the overall consistency is poor, the onboard cabin space is narrow, the onboard operation is difficult, the production time is long, and the production efficiency is low, the utility model provides an integrated UAV fuel supply device, which integrates all the accessories of the fixed-wing UAV fuel supply system. After being installed on the fixed-wing UAV, the overall consistency is good, the onboard cabin space is spacious, the onboard operation is simple, the production time is short, and the production efficiency is high.

[0005] 2. Technical solution

[0006] In order to solve the above problems, the technical solution provided by the utility model is:

[0007] An integrated fuel supply device for an unmanned aerial vehicle comprises an integrated cabin box and an integrated accessory, wherein the integrated accessory is located in the integrated cabin box, the integrated cabin box comprises a box body, a box cover and a hinge, the box body and the box cover are rotatably connected by the hinge, an oil supply opening is provided on the box body, mounting threaded holes for the integrated accessory are provided at the bottom and around the box body, and a mounting protrusion is provided on the outside of the box body, the integrated accessory comprises a two-way quick-plug connector, a power supply aviation plug, a pressure reducing valve, an air valve, an oil filter, an oil valve and a pressure sensor, the oil valve is connected with a two-way quick-plug connector, the oil valve is connected to the oil filter through an aluminum tube, the oil filter is connected with a two-way quick-plug connector, the pressure reducing valve and the air valve are connected through a PU tube, the pressure reducing valve is connected with a quick-tightening connector, the aluminum tube connected to the oil valve is provided with a pressure sensor, and the components of the integrated accessory are all connected with a power supply cable of a throwing-wire structure, and the power supply cable is connected to the power supply aviation plug.

[0008] Optionally, a spring latch structure is provided on the bottom surface of the box cover, and a round hole matching with the latch is provided on the box body.

[0009] Optionally, the box body has a thickness of 3-8 mm, and the box cover has a thickness of 1-5 mm.

[0010] Optionally, the hinge is provided with a right-angle piece, and the box cover and the inner wall of the box body form a limiting angle greater than 90°.

[0011] Optionally, the pressure reducing valve is connected to the quick-connect fitting via a copper pipe.

[0012] Optionally, the oil valve and the oil filter are both connected with two-way quick-connect connectors via PU pipes.

[0013] Optionally, a riding clip is provided on the oil filter, and the riding clip is fixedly connected to the box body.

[0014] Optionally, the power supply aviation plug is adapted to the oil supply opening.

[0015] Optionally, the PU tube of the oil valve is in a U-shaped structure, the turning point of the U-shaped structure is a sinking structure, and the top of the sinking structure is connected to the pressure sensor through an aluminum tube.

[0016] Optionally, the pressure sensor is connected to a controller.

[0017] 3. Beneficial effects

[0018] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0019] The technical solution provided by the utility model sets up an integrated cabin box and an integrated accessory, the integrated accessory is located in the integrated cabin box, the integrated cabin box comprises a box body, a box cover and a hinge, the box body and the box cover are rotatably connected by the hinge, an oil supply opening is provided on the box body, and mounting threaded holes for the integrated accessory are provided at the bottom and around the box body, the integrated accessory comprises a two-way quick-plug connector, a power supply aviation plug, a pressure reducing valve, an air valve, an oil filter, an oil valve and a pressure sensor, the oil valve is connected with a two-way quick-plug connector, the oil valve is connected to the oil filter through an aluminum tube, the oil filter is connected with a two-way quick-plug connector, the pressure reducing valve and the air valve are connected through a PU tube, the pressure reducing valve is connected with a quick-tightening connector, the aluminum tube connected to the oil valve is provided with a pressure sensor, the components of the integrated accessory are all connected with a power supply cable of a throwing-wire structure, the power supply cable is connected to the power supply aviation plug, all the accessories of the fixed-wing UAV fuel supply system are integrated, the overall consistency is good after being installed on the fixed-wing UAV, the onboard cabin section space is spacious, the onboard operation is simple, the production time is short, and the production efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic structural diagram of an integrated cabin box of an integrated fuel supply device for a UAV proposed in an embodiment of the utility model.

[0021] Figure 2 This is a schematic structural diagram of the integrated accessories of an integrated fuel supply device for a UAV proposed in an embodiment of the utility model.

[0022] Figure 3 This is a general assembly diagram of an integrated fuel supply device for a UAV proposed in an embodiment of the utility model.

[0023] 1. Box body; 2. Box cover; 3. Hinge; 4. Spring latch structure; 5. Oil supply opening; 6. Two-way quick-connect connector; 7. PU pipe; 8. Power supply plug; 9. Quick-twist connector; 10. Copper pipe; 11. Aluminum pipe; 12. Riding card; 13. Accessory integration; 14. Pressure reducing valve; 15. Air valve; 16. Oil filter; 17. Oil valve; 18. Pressure sensor. DETAILED DESCRIPTION

[0024] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0025] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It should also be noted that, for the convenience of description, only the parts related to the utility model are shown in the accompanying drawings. The words "first", "second", etc. described in the present utility model are set for the convenience of describing the technical solution of the present utility model, and have no specific limiting effect. They are all general references and do not constitute a limiting effect on the technical solution of the present utility model. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments in the present application can be combined with each other. In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a connection between the insides of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Multiple technical solutions in the same embodiment, and multiple technical solutions in different embodiments, can be arranged and combined to form new technical solutions that do not have contradictions or conflicts, all of which are within the scope of protection required by the present utility model.

[0026] Example

[0027] Combined with Figure 1-3An integrated fuel supply device for a drone includes an integrated cabin box and an accessory assembly 13, wherein the accessory assembly 13 is located in the integrated cabin box, the integrated cabin box includes a box body 1, a box cover 2 and a hinge 3, the box body 1 and the box cover 2 are rotatably connected by the hinge 3, an oil supply opening 5 is provided on the box body 1, the bottom and surrounding of the box body 1 are provided with mounting threaded holes for the accessory assembly 13, and the box body 1 is provided with mounting protrusions on the outside, which are fixed to the fuselage of the drone for mounting the entire integrated cabin box. The accessory assembly 13 includes a two-way quick-plug connector 6, a power supply aviation plug 8, a pressure reducing valve 14, an air valve 15, an oil filter 16, an oil valve 17 and a pressure sensor 18. The oil valve 17 is connected to a two-way quick-plug connector 6, the oil valve 17 is connected to the oil filter 16 through an aluminum tube 11, and the oil filter 16 is connected to a two-way quick-plug connector 6, which can be quickly plugged in and out, thereby improving the efficiency of installation and maintenance. Gasoline filter is referred to as oil filter. Gasoline filter can be divided into carburetor type and electronic injection type. For gasoline engine using carburetor, the gasoline filter is located on the inlet side of the fuel pump, with low working pressure, and generally uses nylon shell. The gasoline filter of electronic injection engine is located on the outlet side of the fuel pump, with high working pressure, and usually uses metal shell. The filter element of gasoline filter is mostly made of filter paper, and there are also gasoline filters made of nylon cloth and polymer materials. The main function is to filter out impurities in gasoline. If the gasoline filter is too dirty or blocked. Linear filter paper gasoline filter: Inside this type of gasoline filter, the folded filter paper is connected to the two ends of the plastic or metal filter. After the dirty oil enters, it is filtered by the outer wall of the filter through layers of filter paper and reaches the center, and the clean fuel flows out.

[0028] The pressure reducing valve 14 and the air valve 15 are connected through the PU tube 7, the pressure reducing valve 14 is connected with a quick-tightening joint 9, the aluminum tube 11 connected with the oil valve 17 is provided with a pressure sensor 18, and the components of the accessory integration 13 are all connected with power supply cables of a swinging wire structure, which means that a certain length of wire is reserved when installing the distribution (disk) box for future connection with other electrical appliances. The power supply cable is connected to the power supply aviation socket 8.

[0029] This oil supply system is extremely economical. It uses appropriately selected shelf products as oil supply accessories, and integrates various oil supply accessories 13 into a special cabin box. The power supply cables of various accessories are all of a swing-wire structure, uniformly welded to the aviation plug (female head), and directly use a plug-in structure with the male head connected to the aircraft; the oil supply accessories are fixed to the cabin box by screw connection, and the cabin box lead-out pipeline adopts a PU tube 7 to accelerate the plug-in two-way structure to connect to the aircraft, and some accessories are connected to the accessories with a customized standard aluminum tube 11. The bottom of the air valve 15 is provided with a mounting hole for fixing. The oil supply accessories are all installed in a special cabin box, and the cabin box is designed with customized threaded holes for oil supply accessories with existing mounting structures. The oil filter 16, sensor and other cylindrical oil supply accessories that have no mounting holes are uniformly fixed in the form of a riding card 12 clamp, and the cabin box is designed with threaded holes according to the mounting holes of the riding card 12 clamp. The connecting pipes of the oil valve 17 and the oil filter 16 are all made of customized aluminum tubes 11, and the aluminum tubes 11 are customized with standard length and angle; the connecting pipes outside the cabin box and the body are all made of PU pipes 7 + two-way quick-plug connectors 6. After the cabin box is completed as a whole, it uses a quick-plug structure with the airborne pipes to facilitate maintenance and disassembly. Except for the pressure reducing valve 14, the oil supply accessories in the cabin box need to be powered. The power supply cables are all in the form of swinging wires, which are directly welded to the power supply aviation plug 8 (female head). The airborne welding power supply aviation plug 8 (male head) adopts a plug-in form, which is convenient for maintenance and disassembly.

[0030] The bottom surface of the box cover 2 is provided with a spring latch structure 4, and the box body 1 is provided with a round hole matched with the latch. In later maintenance, it is only necessary to move the spring latch to perform normal switch processing.

[0031] The thickness of the box body 1 is 3-8mm, and the thickness of the box cover 2 is 1-5mm. In order to adapt to various oil supply accessories, a special integrated cabin box is made of 7075 aluminum material. The thickness of the box body 1 can be 3mm, 5mm or 8mm, and the thickness of the box cover 2 is 1mm, 3mm or 5mm.

[0032] The hinge 3 is provided with a right-angle piece, and the box cover 2 and the inner wall of the box body 1 form a limit angle greater than 90°. After the box cover 2 is closed, the right-angle piece can provide certain support to prevent the box cover 2 from sinking into the box body 1, making it difficult to open the box cover 2 for later maintenance.

[0033] The pressure reducing valve 14 is connected to the quick-tightening joint 9 via a copper tube 10. The copper tube 10 has a stable texture and can withstand high pressure, thereby improving the safety performance of the oil supply system.

[0034] The oil valve 17 and the oil filter 16 are both connected to a two-way quick-connect connector 6 via a PU tube 7 . The PU tube 7 is light in weight and has stable chemical properties.

[0035] The oil filter 16 is provided with a riding clamp 12, and the riding clamp 12 is fixedly connected to the box body 1. The riding clamp 12 is a U-shaped pipe clamp, usually made of stainless steel, with holes at both ends for passing screws to fix the cylindrical device.

[0036] The power supply aviation plug 8 is matched with the oil supply opening 5, and the diameter of the oil supply opening 5 is φ12mm.

[0037] The PU tube 7 of the oil valve 17 is in a U-shaped structure, and the turning point of the U-shaped structure is a sinking structure. The upper part of the sinking structure is connected to the pressure sensor 18 through an aluminum tube 11. The sinking structure is beneficial for making room for accessories, so that the PU tube 7 passes through the gap of the accessories, saving space and reducing the volume of the oil supply system.

[0038] The pressure sensor 18 is connected to a controller, and the controller is connected to a cable and is electrically connected to the control system of the drone.

[0039] The box cover 2 is fixed to the box body 1 by hinges 3 and spring latch structures 4. The base of the cabin box is adapted to the height of the accessories and is heightened, and the bottom contains threaded holes for mounting the corresponding accessories. The box body 1 is surrounded by corresponding through holes for the oil supply pipeline, and the oil supply opening 5 is one of the through holes. The diameter of the through hole is φ12, φ6, φ8, and there are threaded holes for mounting the accessories around it to facilitate the fixing of the oil supply accessories.

[0040] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. An integrated fuel supply device for UAVs, It is characterized in that It includes an integrated cabin box and an integrated accessory, the integrated accessory is located in the integrated cabin box, the integrated cabin box includes a box body, a box cover and a hinge, the box body and the box cover are rotatably connected by the hinge, the box body is provided with an oil supply opening, the bottom and four sides of the box body are provided with mounting threaded holes for the integrated accessory, and the box body is provided with a mounting protrusion, the integrated accessory includes a two-way quick-plug connector, a power supply aviation plug, a pressure reducing valve, an air valve, an oil filter, an oil valve and a pressure sensor, the oil valve is connected with a two-way quick-plug connector, the oil valve is connected to the oil filter through an aluminum tube, the oil filter is connected with a two-way quick-plug connector, the pressure reducing valve and the air valve are connected through a PU tube, the pressure reducing valve is connected with a quick-tightening connector, the aluminum tube connected to the oil valve is provided with a pressure sensor, and the components of the integrated accessory are all connected with a power supply cable of a swing-line structure, and the power supply cable is connected to the power supply aviation plug.

2. An integrated fuel supply device for a UAV according to claim 1, It is characterized in that The bottom surface of the box cover is provided with a spring latch structure, and the box body is provided with a round hole matched with the latch.

3. The integrated fuel supply device for UAV according to claim 1, It is characterized in that The thickness of the box body is 3-8 mm, and the thickness of the box cover is 1-5 mm.

4. The integrated fuel supply device for UAV according to claim 1, It is characterized in that The hinge is provided with a right-angle piece, and the box cover and the inner wall of the box body form a limiting angle greater than 90°.

5. The integrated fuel supply device for UAV according to claim 1, It is characterized in that The pressure reducing valve is connected to the quick-tightening joint through a copper pipe.

6. The integrated fuel supply device for UAV according to claim 1, It is characterized in that The oil valve and the oil filter are both connected with two-way quick-plug connectors through PU pipes.

7. The integrated fuel supply device for UAV according to claim 1, It is characterized in that The oil filter is provided with a riding clip, and the riding clip is fixedly connected to the box body.

8. The integrated fuel supply device for UAV according to claim 1, It is characterized in that The power supply aviation plug is matched with the oil supply opening.

9. The integrated fuel supply device for unmanned aerial vehicles according to claim 1, It is characterized in that The PU tube of the oil valve is in a U-shaped structure, the turning point of the U-shaped structure is a sinking structure, and the upper part of the sinking structure is connected to the pressure sensor through an aluminum tube.

10. An integrated fuel supply device for a UAV according to any one of claims 1 to 9, It is characterized in that The pressure sensor is connected to a controller.

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