Four-rotor unmanned aerial vehicle battery connector combined distribution plate

Abstract

The utility model discloses a four-rotor unmanned aerial vehicle battery connector combined power distribution board, which simplifies avionics electrical connection in a vehicle body of a four-rotor unmanned aerial vehicle in an automatic power conversion scheme, thereby reducing fault power of an avionics system of the four-rotor unmanned aerial vehicle and improving the reliability of the four-rotor unmanned aerial vehicle.

Description

Technical Field

[0001] The utility model belongs to the technical field of automatic battery replacement for unmanned aerial vehicles, and particularly relates to a combined power distribution board for a battery connector of a quadrotor unmanned aerial vehicle. Background Art

[0002] At present, quadrotor unmanned aerial vehicles are increasingly widely used in various fields and can be used to perform surveillance, reconnaissance, and exploration tasks in military and civil applications. The aircraft can carry a payload configured to perform specific functions. The unmanned aerial vehicle can be powered by an on-board rechargeable battery. In some cases, the unmanned aerial vehicle may need to fly a distance that exceeds the available power of the on-board battery. This will severely limit the range and use of the unmanned aerial vehicle. The application of quadrotor unmanned aerial vehicles in cooperation with unmanned aerial vehicle automatic airports has developed rapidly in recent years. Especially the automatic battery replacement scheme for unmanned aerial vehicle automatic airports. In the automatic battery replacement scheme for quadrotor unmanned aerial vehicles, the first problem encountered is the need to provide a reusable connector that can distribute power to various systems of the quadrotor and can also meet the mutual communication between the quadrotor unmanned aerial vehicle and the battery.

[0003] The existing automatic battery replacement scheme for unmanned aerial vehicles uses an independent connector. The connector connects the battery power to the avionics system of the unmanned aerial vehicle and then outputs the power to the power system of the unmanned aerial vehicle through an internal cable. Its disadvantages are: the complex circuit structure increases the fault points of the unmanned aerial vehicle; it increases the weight of the unmanned aerial vehicle itself, reducing the payload that the unmanned aerial vehicle can carry and shortening the endurance time of the unmanned aerial vehicle; there are many connection points in the avionics system of the unmanned aerial vehicle, increasing the manufacturing process difficulty of the unmanned aerial vehicle and increasing the cost of the unmanned aerial vehicle. Summary of the Utility Model

[0004] The purpose of the utility model is to solve the problems of the existing technology and provide a combined power distribution board for a battery connector of a quadrotor unmanned aerial vehicle, providing a combined power distribution board for a battery connector of a quadrotor unmanned aerial vehicle for the automatic battery replacement scheme of a quadrotor unmanned aerial vehicle.

[0005] To solve the technical problems, the technical solution of the utility model is: a combined power distribution board for a battery connector of a quadrotor unmanned aerial vehicle, including a power connection interface, a protective housing, a power distribution board, a first power supply interface for power, a second power supply interface for power, a third power supply interface for power, a fourth power supply interface for power, a communication interface, a flight control power conversion module, a data link and a mounted power conversion module, a communication processing chip, a flight control power interface, a battery communication interface, and an avionics power interface;

[0006] One end of the protective housing is respectively connected to a power connection interface and a battery communication interface, and the other end of the protective housing is connected to a power distribution board. The first power supply interface, the second power supply interface, the third power supply interface, the fourth power supply interface, the communication interface, the flight control power conversion module, the data link and the mounted power conversion module, the communication processing chip, the flight control power interface and the avionics power interface are all arranged on the power distribution board;

[0007] The first power supply interface, the second power supply interface, the third power supply interface and the fourth power supply interface are directly electrically connected to the power connection interface respectively;

[0008] The communication interface is respectively connected to the communication processing chip and the quadcopter controller, and the communication processing chip is connected to the battery communication interface;

[0009] The input end of the flight control power conversion module is electrically connected to the power connection interface, and the output end of the flight control power conversion module is electrically connected to the flight control power interface;

[0010] The input end of the data link and the mounted power conversion module is electrically connected to the power connection interface, and the output end of the data link and the mounted power conversion module is electrically connected to the avionics power interface.

[0011] Preferably, mounting and fixing structures are arranged on both sides of the protective housing for fixing the protective housing on the quadcopter drone body.

[0012] Preferably, the power connection interface is composed of 8 gold-plated connecting pieces. The 8 gold-plated connecting pieces are divided into two groups. The first group includes the gold-plated connecting pieces numbered 1 to 4 in parallel, which transmit the battery power supply +; the second group includes the gold-plated connecting pieces numbered 5 to 8 in parallel, which transmit the battery power supply -; the 8 gold-plated connecting pieces are used to connect the power supply female head socket of the battery.

[0013] Preferably, the protective housing is printed by a 3D printing model, and the protective housing is closely attached to the 8 gold-plated connecting pieces, the power distribution board and the battery communication interface.

[0014] Preferably, the second power supply interface and the third power supply interface are arranged on the left side of the power distribution board, and the first power supply interface and the fourth power supply interface are arranged on the right side of the power distribution board. The first power supply interface, the second power supply interface, the third power supply interface and the fourth power supply interface are respectively connected to the shielding layer of the quadcopter power cable, and supply power to the brushless motors of the first to fourth quadcopter drone arms respectively.

[0015] Preferably, the communication interface is composed of 18 gold-plated connecting pieces, which are compatible with RS233, RS422, TTL, and RS485 communication modes. The communication interface is connected to the controller, and the communication interface is also connected to the BMS of the battery through the communication processing chip and the battery communication interface to realize the monitoring of the battery by the quadcopter drone.

[0016] Preferably, the data link and the mounted power conversion module are composed of one power filter respectively connected to two DC-DC conversion modules, which convert the 45V battery voltage into six 12V outputs to supply the 12V power required by the pan-tilt, speaker, avionics board, and millimeter-wave radar, and reserve two spare 12V power supplies for expanding the avionics mounting installation.

[0017] Compared with the prior art, the advantages of the present utility model are as follows:

[0018] (1) The present utility model discloses a battery connector combined power distribution board for a quadcopter drone, which simplifies the avionics electrical connection inside the fuselage in the automatic battery replacement scheme, thereby reducing the fault electricity of the avionics system of the quadcopter drone and improving the reliability of the quadcopter drone;

[0019] (2) The battery connector combined power distribution board of the present utility model has a simple structure, small volume, light weight, and strong economic practicability, enabling the quadcopter to carry more effective payloads and increasing the endurance of the quadcopter. Currently, the endurance of the quadcopter drone using the present utility model exceeds 60 minutes, leading in the industry;

[0020] (3) The present utility model provides various power distributions, which can meet the power requirements of various systems, enhancing the expandability of the quadcopter drone's mounting. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 - Structural schematic diagram of a battery connector combined power distribution board for a quadcopter drone of the present utility model;

[0022] Figure 2 - Power distribution diagram of a battery connector combined power distribution board for a quadcopter drone of the present utility model;

[0023] Figure 3 - Circuit schematic diagram of a battery connector combined power distribution board for a quadcopter drone of the present utility model;

[0024] Figure 4 - Circuit schematic diagram of the power connection interface of the present utility model;

[0025] Figure 5 - Schematic diagram of the pre-power conversion filter circuit of the present utility model.

[0026] Description of the reference numerals:

[0027] 1. Power connection interface, 2. Protective housing, 3. Power distribution board, 4. First power supply interface for power, 5. Second power supply interface for power, 6. Third power supply interface for power, 7. Fourth power supply interface for power, 8. Communication interface, 9. Flight control power conversion module, 10. Data link and payload power conversion module, 11. Installation and fixing structure, 12. Communication processing chip, 13. Flight control power interface, 14. Battery communication interface, 15. Avionics power interface, 16. Controller, 17. Battery, 18. Brushless motor;

[0028] 1-1. Gold-plated connecting piece. Detailed implementation manner

[0029] The following describes the detailed implementation manner of the present utility model in conjunction with embodiments:

[0030] It should be noted that the structures, ratios, sizes, etc. shown in this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the limiting conditions under which the present utility model can be implemented. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that the present utility model can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present utility model.

[0031] Embodiment 1

[0032] As Figure 1 、 2 shown, the present utility model discloses a power distribution board for a battery connector combination of a quadcopter drone, including a power connection interface 1, a protective housing 2, a power distribution board 3, a first power supply interface for power 4, a second power supply interface for power 5, a third power supply interface for power 6, a fourth power supply interface for power 7, a communication interface 8, a flight control power conversion module 9, a data link and payload power conversion module 10, a communication processing chip 12, a flight control power interface 13, a battery communication interface 14, and an avionics power interface 15;

[0033] One end of the protective housing 2 is respectively connected to the power connection interface 1 and the battery communication interface 14, and the other end of the protective housing 2 is connected to the power distribution board 3. The first power supply interface for power 4, the second power supply interface for power 5, the third power supply interface for power 6, the fourth power supply interface for power 7, the communication interface 8, the flight control power conversion module 9, the data link and payload power conversion module 10, the communication processing chip 12, the flight control power interface 13, and the avionics power interface 15 are all arranged on the power distribution board 3;

[0034] The first power supply interface for power 4, the second power supply interface for power 5, the third power supply interface for power 6, and the fourth power supply interface for power 7 are directly electrically connected to the power connection interface 1 respectively;

[0035] The communication interface 8 is respectively connected to the communication processing chip 12 and the quadrotor controller 16, and the communication processing chip 12 is connected to the battery communication interface 14;

[0036] The input end of the flight control power conversion module 9 is electrically connected to the power connection interface 1, and the output end of the flight control power conversion module 9 is electrically connected to the flight control power interface 13;

[0037] The input end of the data link and the mounted power conversion module 10 is electrically connected to the power connection interface 1, and the output end of the data link and the mounted power conversion module 10 is electrically connected to the avionics power interface 15.

[0038] Embodiment 2

[0039] As Figure 1 shown, preferably, mounting and fixing structures 11 are provided on both sides of the protective housing 2 for fixing the protective housing 2 on the quadrotor UAV body.

[0040] The mounting and fixing structure 11 is used to protect the impact on the quadrotor UAV body during the battery plugging and unplugging process in the automatic battery replacement process of the quadrotor UAV, and a shock absorption structure is added. In particular, it protects the impact on the quadrotor UAV body during the battery plugging and unplugging process of the battery 17 in the automatic battery replacement process of the quadrotor UAV. In addition, during the flight of the quadrotor UAV, the four brushless motors are four vibration sources, and abnormal airflow during the flight will also bring vibration to the UAV body. Long-term vibration may damage the battery connector combination power distribution board of the quadrotor UAV, affect the electrical performance of the connector due to wear, and pose a hidden danger to the flight of the UAV. Adding a shock absorption structure can avoid or reduce the impact of the above vibration sources on the battery connector combination power distribution board of the quadrotor UAV.

[0041] The protective housing 2 is printed by a 3D printing model, and the protective housing 2 is closely attached to the 8-way gold-plated connection piece 1-1, the power distribution board 3 and the battery communication interface 14 to increase the insulation strength of the 8-way gold-plated connection piece 1-1.

[0042] The protective housing 2 is used to provide connection protection and is injection-molded with epoxy resin for high-insulation strength protection.

[0043] Embodiment 3

[0044] As Figure 1 shown, preferably, the power connection interface 1 is composed of 8-way gold-plated connection pieces 1-1. The 8-way gold-plated connection pieces 1-1 are divided into two groups. The first group includes the gold-plated connection pieces 1-1 numbered 1 to 4 in parallel, which transmit the battery power +; the second group includes the gold-plated connection pieces 1-1 numbered 5 to 8 in parallel, which transmit the battery power -; the 8-way gold-plated connection pieces 1-1 are used to connect the power supply female head socket of the battery 17.

[0045] The power connection interface 1 is used to transmit the power of the battery 17 to the flight, flight control, payload, and link of the quadcopter drone, etc.

[0046] The 8 gold-plated connection pieces of the power connection interface 1 are divided into two groups. The first group includes the gold-plated connection pieces numbered 1 to 4, which transmit the battery power +. The second group includes the gold-plated connection pieces numbered 5 to 8, which transmit the battery power -. These two groups are in a parallel connection mode for the circuit, further reducing the contact resistance and increasing the redundancy of the power output, thereby enhancing the reliability of the quadcopter drone.

[0047] After the automatic battery charging of the quadcopter drone is completed, the male connectors of the gold-plated connection pieces numbered 1 to 4 in parallel in the first group are connected to the female connectors of the gold-plated connection pieces numbered 1 to 4 of the battery 17; the male connectors of the gold-plated connection pieces numbered 1 to 4 in parallel in the first group are connected to the female connectors of the gold-plated connection pieces numbered 5 to 8 of the battery 17, completing the connection between the battery and the quadcopter power supply 17.

[0048] Embodiment 4

[0049] As Figure 1 、 3 shown, preferably, the second power supply interface 5 and the third power supply interface 6 are arranged on the left side of the power distribution board 3, and the first power supply interface 4 and the fourth power supply interface 7 are arranged on the right side of the power distribution board 3. The first power supply interface 4, the second power supply interface 5, the third power supply interface 6, and the fourth power supply interface 7 are respectively connected to the shield layer of the quadcopter power cable, and provide power for the brushless motors 18 of the first to fourth quadcopter drone arms respectively.

[0050] The function of the power distribution board 3 is to distribute the electrical energy output by the battery 17 to each subsystem of the quadcopter.

[0051] The first power supply interface 4 is used to provide power for the brushless motor of the first quadcopter drone arm; the second power supply interface 5 is used to provide power for the brushless motor of the second quadcopter drone arm; the third power supply interface 6 is used to provide power for the brushless motor of the third quadcopter drone arm; the fourth power supply interface 7 is used to provide power for the brushless motor of the fourth quadcopter drone arm.

[0052] The first power supply interface 4, the second power supply interface 5, the third power supply interface 6, and the fourth power supply interface 7 are additionally provided with shielded connections to connect with the shield layer of the quadcopter power cable, preventing the influence of electromagnetic radiation during the transmission of the power supply on the internal communication of the quadcopter, the real time kinematic (RTK) navigation signal, and the link transmission signal.

[0053] The first power supply interface 4 is connected to the motor of the arm 1 of the quadcopter drone through a cable with a specification of AWG14*2 and a length of 500 mm with shielding. The second power supply interface 5 is connected to the motor of the arm 2 of the quadcopter drone through a cable with a specification of AWG14*2 and a length of 500 mm with shielding. The third power supply interface 6 is connected to the motor of the arm 3 of the quadcopter drone through a cable with a specification of AWG14*2 and a length of 700 mm with shielding. The fourth power supply interface 7 is connected to the motor of the arm 4 of the quadcopter drone through a cable with a specification of AWG14*2 and a length of 700 mm with shielding.

[0054] As Figure 4 shown, the first power supply interface 4, the second power supply interface 5, the third power supply interface 6, and the fourth power supply interface 7 are directly connected to the power connection interface 1, and the corresponding relationships are as follows:

[0055]

[0056] Embodiment 5

[0057] As Figure 1 shown, the communication interface 8 is composed of 18-pin gold-plated connectors, compatible with RS233, RS422, TTL, and RS485 communication methods. The communication interface 8 is connected to the controller 16. The communication interface 8 is also connected to the BMS of the battery 17 through the communication processing chip 12 and the battery communication interface 14 to realize the monitoring of the battery 17 by the quadcopter drone.

[0058] The main process treatment of the battery communication interface 14 lies in the shielding and protection of signal transmission, improving EMC electromagnetic compatibility, and preventing interference of the power supply on the signal.

[0059] The data link and mounting power conversion module 10 is composed of 1 power filter respectively connected to 2 DC-DC conversion modules, which converts the 45V voltage of the battery into 6-way 12V outputs to supply the 12V power required by the gimbal, speaker, avionics board, and millimeter-wave radar, and reserves two spare 12V powers for expanding the installation of avionics mounts. Since the types of drones mounted are different, the electrical characteristics are also very different. By distributing the multi-way mounting power through the multi-way DC-DC module, the mutual influence between the drone mounts can be reduced.

[0060] As Figure 5 shown, the power filter is for pre-filtering before power conversion.

[0061] The data link and mounting power conversion module 10 performs isolation on the power supply side to meet the power supply required by radio frequency circuits such as real time kinematic (RTK) navigation signals, link transmission signals, video transmission modules, and data transmission modules.

[0062] The communication processing chip 12 can realize the mutual conversion of various communication modes such as RS233, RS422, TTL, and RS485.

[0063] The communication processing chip 12 integrates 16 chips for the conversion of communication modes such as RS233, RS422, TTL, and RS485, and is equipped with a serial port isolation module. It can match the communication modes of various batteries and expand the battery application of the quadrotor UAV. In the embodiment of the present invention, the RS485 communication mode is adopted to realize the communication between the quadrotor UAV control system and the battery. It is connected to the quadrotor UAV signal control board through a PH2.0*4 double-headed terminal and a 150mm long cable.

[0064] The flight control power conversion module 9 can also add functions of power isolation and ripple suppression to prevent the impact on the flight control power supply during the maneuvering of the quadrotor UAV. This module converts the 45V voltage of the battery into the voltage required by the quadrotor flight control, and automatically adapts to output 12V~45V DC. This module is equipped with a single-channel high-side switch with an integrated NMOS and a charge pump. This module has comprehensive diagnostic functions and a high-precision current monitor function, and can intelligently control the load. The adjustable current limit function can greatly improve the reliability of the entire system. The device diagnostic report has two versions to support digital fault status and analog current monitor output. Precise current monitor and adjustable current limit characteristics. The use of this module makes the power supply of the flight control safer and more reliable.

[0065] The main feature of the flight control power interface 13 is the surface gold plating treatment, which reduces the contact resistance and also improves the service life of the connector. It is connected to the quadrotor UAV through a cable with a specification of AWG20*2 and a length of 300mms double-crossed braided net.

[0066] The avionics power interface 15 provides the power required for the quadrotor link, meeting the power required for real time kinematic (RTK) navigation signals, link transmission signals, video transmission modules, and output modules. It is connected to the quadrotor UAV avionics board through a cable with a specification of AWG20*2 and a length of 300mms double-crossed braided net.

[0067] The working principle of the present invention is as follows:

[0068] As Figures 1 to 3As shown in the figure, the utility model discloses a combined power distribution board of a battery connector for a quadrotor UAV, which includes a power connection interface 1, a protective housing 2, a power distribution board 3, a first power supply interface 4 for power, a second power supply interface 5 for power, a third power supply interface 6 for power, a fourth power supply interface 7 for power, a communication interface 8, a flight control power conversion module 9, a data link and a power conversion module 10 for the payload, a communication processing chip 12, a flight control power interface 13, a battery communication interface 14 and an avionics power interface 15. The power connection interface 1 and the battery communication interface 14 are connected to the battery 17, and other interfaces are carried on the power distribution board 3. The first power supply interface 4 for power, the second power supply interface 5 for power, the third power supply interface 6 for power, and the fourth power supply interface 7 for power are respectively connected to 4 motors of the UAV. The communication interface 8 is respectively connected to the battery communication interface 14 and the controller 16. The power distribution board 3 of the utility model integrates a variety of interfaces, provides various power distributions, can meet the power requirements of various systems, enhances the expandability of the quadrotor UAV's payload, simplifies the avionics electrical connection inside the fuselage in the automatic battery replacement scheme of the quadrotor UAV, thereby reducing the fault electricity of the avionics system of the quadrotor UAV and improving the reliability of the quadrotor UAV.

[0069] The combined power distribution board of the battery connector of the utility model has a simple structure, small volume, light weight, and strong economic practicability, enabling the quadrotor to carry more effective payloads and increasing the endurance of the quadrotor. Currently, the endurance of the quadrotor UAV using the utility model exceeds 60 minutes, leading in the industry.

[0070] After the automatic battery charging of the quadrotor UAV is completed, Figure 1 the communication interface 8 shown is connected to the Figure 3 communication female interface of the battery 17 shown through the battery communication interface 14. The communication interface provides 5V power, and the 5V power is used to start the signal controller 16 of the quadrotor UAV. After the signal controller 16 of the quadrotor UAV is powered on, it starts the program. After the automatic program starts, it automatically runs the power-on process of the quadrotor UAV and sends a power-on command to Figure 3 the automatically replaceable battery 17. After completing the command, the battery 17 outputs power to Figure 1 the power connection interface 1 shown. The power connection interface 1 supplies power to four brushless motors 18. After the quadrotor UAV is powered on, it completes self-check and waits for the takeoff command.

[0071] The utility model relates to a system of a combined power distribution board of a battery connector for an automatic battery replacement scheme of a quadrotor UAV. The quadrotor UAV can autonomously identify the UAV automatic hangar, take off and land from the UAV automatic airport. The quadrotor UAV can communicate with the UAV automatic airport. The UAV automatic airport can store the batteries for the unmanned aircraft and charge the batteries. The UAV automatic airport stores 3 batteries for the quadrotor UAV to automatically replace the batteries.

[0072] The preferred embodiments of the present utility model have been described in detail above. However, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the scope of knowledge possessed by those of ordinary skill in the art.

[0073] Many other changes and modifications can be made without departing from the concept and scope of the present utility model. It should be understood that the present utility model is not limited to specific embodiments, and the scope of the present utility model is defined by the appended claims.

Claims

1. A battery connector combined distribution board for a quad-rotor drone, characterized in that: It comprises a power connection interface (1), a protective shell (2), a power distribution board (3), a first power supply interface (4), a second power supply interface (5), a third power supply interface (6), a fourth power supply interface (7), a communication interface (8), a flight control power conversion module (9), a data link and mounting power conversion module (10), a communication processing chip (12), a flight control power interface (13), a battery communication interface (14) and an avionics power interface (15); One end of the protective shell (2) is respectively connected to the power connection interface (1) and the battery communication interface (14), and the other end of the protective shell (2) is connected to the power distribution board (3); the first power supply interface (4), the second power supply interface (5), the third power supply interface (6), the fourth power supply interface (7), the communication interface (8), the flight control power conversion module (9), the data link and mounting power conversion module (10), the communication processing chip (12), the flight control power interface (13) and the avionics power interface (15) are all arranged on the power distribution board (3); The first power supply interface (4), the second power supply interface (5), the third power supply interface (6) and the fourth power supply interface (7) are respectively directly electrically connected to the power connection interface (1); The communication interface (8) is respectively connected to the communication processing chip (12) and the quadrotor controller (16), and the communication processing chip (12) is connected to the battery communication interface (14); The input end of the flight control power conversion module (9) is electrically connected to the power connection interface (1), and the output end of the flight control power conversion module (9) is electrically connected to the flight control power interface (13); The input end of the data link and mounted power conversion module (10) is electrically connected to the power connection interface (1), and the output end of the data link and mounted power conversion module (10) is electrically connected to the avionics power interface (15).

2. A quad-rotor drone battery connector assembly distribution board according to claim 1, characterized in that: Mounting and fixing structures (11) are provided on both sides of the protective shell (2) and are used to fix the protective shell (2) on the body of the quad-rotor drone.

3. A quad-rotor drone battery connector assembly distribution board according to claim 1, characterized in that: The power connection interface (1) is composed of 8 gold-plated connecting pieces (1-1), and the 8 gold-plated connecting pieces (1-1) are divided into two groups. The first group includes parallel-connected gold-plated connecting pieces (1-1) with serial numbers 1 to 4, which transmit battery power +; the second group includes parallel-connected gold-plated connecting pieces (1-1) with serial numbers 5 to 8, which transmit battery power -; the 8 gold-plated connecting pieces (1-1) are used to connect to the power supply female socket of the battery (17).

4. A quad-rotor drone battery connector assembly distribution board according to claim 1, characterized in that: The protective shell (2) is printed using a 3D printing model, and the protective shell (2) fits tightly with the 8-way gold-plated connecting piece (1-1), the power distribution board (3) and the battery communication interface (14).

5. The battery connector assembly distribution board for a quad-rotor drone according to claim 1, characterized in that: The second power supply interface (5) and the third power supply interface (6) are arranged on the left side of the power distribution board (3), and the first power supply interface (4) and the fourth power supply interface (7) are arranged on the right side of the power distribution board (3). The first power supply interface (4), the second power supply interface (5), the third power supply interface (6) and the fourth power supply interface (7) are respectively connected to the shielding layer of the quad-rotor power cable to provide power to the brushless motors (18) of the first to fourth quad-rotor drone arms.

6. A quad-rotor drone battery connector assembly distribution board according to claim 1, characterized in that: The communication interface (8) is composed of an 18-pin gold-plated connector and is compatible with RS233, RS422, TTL, and RS485 communication modes. The communication interface (8) is connected to the controller (16). The communication interface (8) is also connected to the BMS of the battery (17) via the communication processing chip (12) and the battery communication interface (14), thereby enabling the quad-rotor drone to monitor the battery (17).

7. A quad-rotor drone battery connector assembly distribution board according to claim 1, characterized in that: The data link and mounting power conversion module (10) is composed of a power filter connected to two DC-DC conversion modules, which converts the battery 45V voltage into six 12V outputs to supply the 12V power required by the gimbal, speaker, avionics board, and millimeter wave radar, and reserves two spare 12V power supplies to facilitate the expansion of avionics mounting installation.

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