Unmanned aerial vehicle engine monitoring wire harness

By designing a monitoring harness for UAV engines and using high-current and ordinary signal plug connectors to separate power and signal transmission, the problems of messy UAV engine wiring and signal interference were solved, achieving high-precision and safe power signal transmission and ensuring stable engine operation.

CN223986734UActive Publication Date: 2026-03-10TAIXING SPACE APPLIANCE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-10
Publication Date
2026-03-10

AI Technical Summary

Technical Problem

Existing drone engine cables are prone to wiring chaos and signal interference when transmitting signals and power, posing potential circuit safety hazards.

Method used

A drone engine monitoring harness was designed, employing high-current plug connectors, ordinary signal plug connectors, and special signal plug connectors for transmitting high current, ordinary signals, and special signals, respectively. Combined with black silicone tube branch cables, it achieves the separation and integrated transmission of power and signals.

Benefits of technology

It achieves high-precision and secure power and signal transmission, ensuring stable operation and control of the UAV engine and avoiding messy wiring and signal interference.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an unmanned plane engine monitoring wire harness comprising a plug end and a plurality of branch cables, and the plug end comprises a large current plug connector part, a common signal plug connector part and a plurality of special signal plug connector parts. The plurality of special signal plug connector parts are respectively connected with a small power supply connector plug, an oil pump connector plug and an oil pressure sensor connecting plug through branch cables, and the large-current plug connecting part is connected with an ignition coil large-current connector plug through a branch cable; and the common signal plug connector part is connected with an ignition coil low-current connector plug and an ignition signal connector plug through branch cables. The device is simple in structure and integrates large and small current supply, starting, ignition, oil pressure conveying and detection.
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Description

Technical Field

[0001] This utility model provides a cable, specifically a drone engine monitoring harness. Background Technology

[0002] With the development of drone technology, it has been widely used in both civilian and military fields. Especially under the requirements of large size and high precision, ignition control, oil pressure, and start-up monitoring are particularly important for drones using fuel-powered engines. Conventional cable transmission of signals and power is prone to wiring chaos, signal interference, and circuit safety issues. Summary of the Invention

[0003] This utility model provides a simple structure that integrates large and small current supply, starting, ignition, hydraulic supply, and detection into a single unmanned aerial vehicle (UAV) engine monitoring harness.

[0004] The technical solution adopted by this utility model is: a drone engine monitoring wiring harness, including a plug end and multiple branch cables, characterized in that: the plug end includes a high-current plug connector part, a normal signal plug connector part and multiple special signal plug connector parts, the multiple special signal plug connector parts are respectively connected to a small power connector plug, an oil pump connector plug and an oil pressure sensor connector plug via branch cables, the high-current plug connector part is connected to an ignition coil high-current connector plug via branch cables, and the normal signal plug connector part is connected to an ignition coil low-current connector plug and an ignition signal connector plug via branch cables.

[0005] The high-current plug connector section is a rectangular connector structure with high-current coaxial contacts.

[0006] The ordinary signal plug connector is a rectangular connector structure with a small current ignition coil socket contact or pin contact, and an ignition signal socket contact or pin contact.

[0007] The special signal plug connector has a rectangular connector structure with small power socket contacts or pin contacts, oil pump signal socket contacts or pin contacts, and high-speed differential socket contacts or pin contacts for oil pressure signals.

[0008] The high-current coaxial contact is a coaxial contact.

[0009] The small power socket contact or pin contact and the ignition coil small current socket contact or pin contact are coaxial contacts.

[0010] The small power connector plug, oil pump connector plug, oil pressure sensor connector plug, ignition coil high current connector plug, ignition coil low current connector plug, and ignition signal connector plug are all circular connector structures.

[0011] The small power socket contact or pin contact, the oil pump signal socket contact or pin contact, and the oil pressure signal high-speed differential socket contact or pin contact are respectively connected to one or more small power connector plugs, one or more oil pump connector plugs, and one or more oil pressure sensor connection plugs.

[0012] The ignition coil low-current socket contact or pin contact and the ignition signal socket contact or pin contact are respectively connected to one or more ignition coil low-current connector plugs and one or more ignition signal connector plugs.

[0013] The branch cable is externally fitted with a black silicone tube.

[0014] The beneficial effects of this utility model are:

[0015] 1. A special signal plug connector with high-precision detection and transmission of oil pressure signals using high-speed differential socket contacts or pin contacts facilitates high-precision and safe oil supply control. It also uses a connector plug with small power socket contacts or pin contacts to transmit the oil pump power; and a leather-sleeved signal plug connector to transmit the oil pump start signal, thus integrating the transmission of oil pump and oil pressure signals into a single unit.

[0016] 2. A separate high-current plug connector is used to transmit the high current of the ignition coil at the moment of startup; subsequently, the ignition coil low-current connector is switched to a normal signal plug connector to maintain operation; combined with the ignition signal connector connector to transmit the ignition signal, the ignition startup and operation of the circuit and signal control are comprehensively ensured. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of the present invention;

[0018] Figure 2 for Figure 1 A schematic diagram of the structure of the plug end.

[0019] In the diagram: Plug end 1, High current plug connector part 2, High current contact 201, Ordinary signal plug connector part 3, Ignition coil low current contact 301, Ignition signal contact 302, Special signal plug connector part 4, Oil pump power contact 401, Oil pump signal contact 402, Oil pressure sensor power contact 403, Oil pressure signal high-speed differential contact 404, Branch cable 5, Black silicone tube 6, Small power connector plug 7, Oil pump connector plug 8, Oil pressure sensor connector plug 9, Ignition coil high current connector plug 10, Ignition coil low current connector plug 11, Ignition signal connector plug 12. Detailed Implementation

[0020] The following explanation, in conjunction with the accompanying drawings, will provide further details.

[0021] Figure 1 , 2 As shown: A drone engine monitoring wiring harness includes a plug end 1, a branch cable 5, a black silicone tube 6, a small power connector plug 7, an oil pump connector plug 8, an oil pressure sensor connector plug 9, an ignition coil high current connector plug 10, an ignition coil low current connector plug 11, and an ignition signal connector plug 12.

[0022] The plug end 1 includes a high-current plug connector section 2, which are all rectangular connectors, a general signal plug connector section 3, and two special signal plug connector sections 4. The two special signal plug connector sections 4 are respectively connected to a small power connector plug 7, an oil pump connector plug 8, and an oil pressure sensor connector plug 9 via branch cables 5 with external black silicone tubes 6. The first special signal plug connector section is provided with an oil pump power contact 401 and an oil pump signal contact 402, and the other special signal plug connector section is provided with an oil pressure sensor power contact 403 and an oil pressure signal high-speed differential contact 404.

[0023] The high-current plug connector 2 is connected to the ignition coil high-current connector plug 10 via a branch cable, and the high-current plug connector has a high-current contact 201.

[0024] The ordinary signal plug connector section 3 is connected to the ignition coil low-current connector plug 301 and the ignition signal connector plug 302 via a branch cable. The ordinary signal plug connector section 3 has the ignition coil low-current contact 301 and the ignition signal contact 302.

[0025] In this embodiment, the power supply and signal transmission for the oil pump and oil pressure are located in two separate connector sections. The power supply for both sections shares a single connector plug, and the signal transmission shares a single connector plug. Based on this, the power supply and signal contacts on the connector sections can be combined arbitrarily, and two connector plugs can be connected either through a single connector or by grouping them according to the oil pump and oil pressure.

Claims

1. An unmanned aerial vehicle engine monitoring wiring harness comprising a plug end and a plurality of branch cables, characterized by: The plug end includes a large-current plug connector part, a common signal plug connector part, and a plurality of special signal plug connector parts, the plurality of special signal plug connector parts are respectively connected to a small power connector plug, an oil pump connector plug, and an oil pressure sensor connector plug through branch cables, the large-current plug connection part is connected to an ignition coil large-current connector plug through a branch cable, and the common signal plug connector part is connected to an ignition coil small-current connector plug and an ignition signal connector plug through branch cables.

2. The UAV engine monitoring wiring harness of claim 1, wherein: The large-current plug connector part is a rectangular connector structure with a large-current coaxial contact.

3. The UAV engine monitoring wiring harness of claim 1, wherein: The common signal plug connector part is a rectangular connector structure with an ignition coil small-current jack contact or pin contact and an ignition signal jack contact or pin contact.

4. The unmanned aerial vehicle engine monitoring wiring harness of claim 1, wherein: The special signal plug connector part is a rectangular connector structure with a small power jack contact or pin contact, an oil pump signal jack contact or pin contact, and an oil pressure signal high-speed differential jack contact or pin contact.

5. The UAV engine monitoring wiring harness of claim 2, wherein: The large-current coaxial contact is a coaxial contact.

6. The UAV engine monitoring wiring harness of claim 1, wherein: The small power connector plug, the oil pump connector plug, the oil pressure sensor connector plug, the ignition coil large-current connector plug, the ignition coil small-current connector plug, and the ignition signal connector plug are circular connector structures.

7. The UAV engine monitoring wiring harness of claim 4, wherein: The small power jack contact or pin contact, the oil pump signal jack contact or pin contact, and the oil pressure signal high-speed differential jack contact or pin contact are respectively connected to one or more small power connector plugs, one or more oil pump connector plugs, and one or more oil pressure sensor connector plugs.

8. The UAV engine monitoring wiring harness of claim 3, wherein: The ignition coil small-current jack contact or pin contact and the ignition signal jack contact or pin contact are respectively connected to one or more ignition coil small-current connector plugs and one or more ignition signal connector plugs.

9. The UAV engine monitoring wiring harness of claim 1, wherein: The branch cable is externally provided with a black silica gel tube.