CN-116533763-B - Flight power system, flight power reconstruction method, and computer-readable storage medium

CN116533763BCN 116533763 BCN116533763 BCN 116533763BCN-116533763-B

Abstract

The invention discloses a flying power system, a flying power reconstruction method and a computer readable storage medium, wherein the method comprises the steps of determining a flying electric drive group with current short circuit if the current short circuit exists in the flying power system, and isolating the flying electric drive group with the current short circuit; and controlling the rest flying electric driving groups to continue to operate. The invention ensures the stability of the power supply of the flying power system and improves the safety of the flying vehicle.

Inventors

ZHANG HAIBIN
ZHONG ZIQI
CHEN GE
LIU YINTONG
HOU CONG

Assignees

广东汇天航空航天科技有限公司

Dates

Publication Date: 20260508
Application Date: 20230614

Claims (12)

1. A flying power system, the flying power system comprising: A power supply unit; the flying electric driving groups are connected in parallel and then connected with the power supply unit; The isolation device is arranged on a line between every two adjacent flying electric driving groups and is used for disconnecting the connection between the two adjacent flying electric driving groups; The flying power system performs a power reconstruction method comprising: if the current short circuit exists in the flying power system, controlling the opening or closing of an isolating device to ensure that the flying electric drive group with the current short circuit is determined, and isolating the flying electric drive group with the current short circuit; controlling the rest flying electric drive groups to continue to operate; Wherein the step of controlling the opening or closing of the isolating device includes: when the initial state of the first isolation device is a closed state, controlling the first isolation device to be opened; determining at least two flying electric driving groups to be screened; Controlling the disconnection of a second isolating device between at least two groups of flying electric drive groups to be screened so as to disconnect a loop where one group of flying electric drive groups is located; And if the loop where the flying electric drive group which is not disconnected is located has no current short circuit, determining that the flying electric drive group with the current short circuit is the disconnected flying electric drive group.
2. The flying power system according to claim 1 wherein said isolation means comprises a first isolation means disposed on a line between two adjacent ones of said flying electric drive groups located in the middle and a second isolation means disposed on a line between the remaining two adjacent ones of said flying electric drive groups.
3. The flying power system according to claim 1, wherein when said flying electric drive groups include at least two flying electric drives, each of said flying electric drive groups is connected with one of said power supply units.
4. The flying power system of claim 1 wherein when the number of said power supply units is less than the number of said flying electric drive groups, there are at least two of said flying electric drive groups connected to the same said power supply unit, and when the number of said power supply units is equal to the number of said flying electric drive groups, each of said flying electric drive groups is connected to a different said power supply unit.
5. The flying power system according to claim 1, wherein the number of the power supply units is at least two, and the flying electric drives located at the edge positions are respectively directly connected to the power supply units.
6. A method of flight power reconstruction as defined in any one of claims 1 to 5, the method comprising: if the current short circuit exists in the flying power system, controlling the opening or closing of an isolating device to ensure that the flying electric drive group with the current short circuit is determined, and isolating the flying electric drive group with the current short circuit; controlling the rest flying electric drive groups to continue to operate; Wherein the step of controlling the opening or closing of the isolating device includes: when the initial state of the first isolation device is a closed state, controlling the first isolation device to be opened; determining at least two flying electric driving groups to be screened; Controlling the disconnection of a second isolating device between at least two groups of flying electric drive groups to be screened so as to disconnect a loop where one group of flying electric drive groups is located; And if the loop where the flying electric drive group which is not disconnected is located has no current short circuit, determining that the flying electric drive group with the current short circuit is the disconnected flying electric drive group.
7. The method of power reconstruction of claim 6 wherein the step of controlling opening or closing of the isolation device comprises: When the initial state of the first isolation device is a disconnection state, determining at least two groups of flying electric drive groups to be screened; Controlling the disconnection of a second isolating device between at least two groups of flying electric drive groups to be screened so as to disconnect a loop where one group of flying electric drive groups is located; And if the loop where the flying electric drive group which is not disconnected is located has no current short circuit, determining that the flying electric drive group with the current short circuit is the disconnected flying electric drive group.
8. The method of claim 6 or 7, further comprising, after the step of controlling the opening of the second isolation device between at least two of the flying electric drive groups to be screened: If the circuit of the flying electric drive group which is not disconnected still has current short circuit, determining the flying electric drive group which has current short circuit as the flying electric drive group which is not disconnected; And controlling the first isolation device to be closed again.
9. The method of claim 6 or 7, further comprising, after the step of controlling the opening of the second isolation device between at least two of the flying electric drive groups to be screened: if the loop where the flying electric drive group which is not disconnected is located has no current short circuit, determining that the flying electric drive group with the current short circuit is the disconnected flying electric drive group; And if the disconnected flying electric drive group is connected with a power supply unit, controlling the disconnected flying electric drive group to be connected with the power supply unit to stop supplying power.
10. The method of claim 6 or 7, further comprising, after the step of controlling the opening of the second isolation device between at least two of the flying electric drive groups to be screened: If the circuit of the flying electric drive group which is not disconnected still has current short circuit, determining the flying electric drive group which has current short circuit as the flying electric drive group which is not disconnected; controlling the first isolation device to be closed again; And if the flying electric drive group which is not disconnected is connected with a power supply unit, controlling the power supply unit connected with the flying electric drive group which is not disconnected to stop supplying power.
11. A flying power system comprising a memory, a processor, and a power reconstruction program stored in the memory and executable on the processor, which when executed by the processor, performs the steps of the power reconstruction method of any one of claims 6-10.
12. A computer readable storage medium, characterized in that the computer readable storage medium stores a power reconstruction program, which when executed by a processor, implements the steps of the power reconstruction method according to any one of claims 6-10.

Description

Flight power system, flight power reconstruction method, and computer-readable storage medium Technical Field The present invention relates to the field of computer technology, and in particular, to a flight power system, a flight power reconstruction method, and a computer readable storage medium. Background The flying power system generally adopts a high-voltage architecture with multiple redundancy systems, wherein the high-voltage architecture comprises a plurality of power supply units and a plurality of flying electric drives, the power supply units are connected in parallel for power supply, and when a single-point failure problem occurs, for example, a certain power supply loop current short circuit exists, the whole flying power system can lose power, so that a safety accident occurs. Disclosure of Invention The main object of the present invention is to provide a flight power system, a flight power reconstruction method and a computer readable storage medium, which aim to solve the problem of how to improve the stability of the power supply of the flight power system. To achieve the above object, the present invention provides a flying power system, comprising: A power supply unit; the flying electric driving groups are connected in parallel and then connected with the power supply unit; and the isolating device is arranged on a line between every two adjacent flying electric driving groups and is used for disconnecting the connection between the two adjacent flying electric driving groups. Optionally, the isolation device comprises a first isolation device and a second isolation device, the first isolation device is arranged on a line between two adjacent flying electric driving groups in the middle, and the second isolation device is arranged on a line between the other two adjacent flying electric driving groups. Optionally, when the flying electric driving group comprises at least two flying electric driving groups, each flying electric driving group is connected with one power supply unit. Optionally, when the number of the power supply units is smaller than the number of the flying electric driving groups, at least two flying electric driving groups are connected to the same power supply unit, and when the number of the power supply units is equal to the number of the flying electric driving groups, each flying electric driving group is connected to a different power supply unit. Optionally, the number of the power supply units is at least two, and the flying electric driving units located at the edge positions are respectively and directly connected with the power supply units. In order to achieve the above object, the present invention provides a flight power reconstruction method, which is applied to a flight power system, and the flight power reconstruction method includes: if the current short circuit exists in the flying power system, determining a flying electric drive group with the current short circuit, and isolating the flying electric drive group with the current short circuit; and controlling the rest flying electric driving groups to continue to operate. Optionally, the step of determining the flying electric drive group with the current short circuit and isolating the flying electric drive group with the current short circuit comprises the following steps: and controlling the opening or closing of the isolating device to ensure that the flying electric drive group with the current short circuit is determined, and isolating the flying electric drive group with the current short circuit. Optionally, the step of controlling opening or closing of the isolation device includes: when the initial state of the first isolation device is a closed state, controlling the first isolation device to be opened; determining at least two flying electric driving groups to be screened; Controlling the disconnection of a second isolating device between at least two groups of flying electric drive groups to be screened so as to disconnect a loop where one group of flying electric drive groups is located; And if the loop where the flying electric drive group which is not disconnected is located has no current short circuit, determining that the flying electric drive group with the current short circuit is the disconnected flying electric drive group. Optionally, the step of controlling opening or closing of the isolation device includes: When the initial state of the first isolation device is a disconnection state, determining at least two groups of flying electric drive groups to be screened; Controlling the disconnection of a second isolating device between at least two groups of flying electric drive groups to be screened so as to disconnect a loop where one group of flying electric drive groups is located; And if the loop where the flying electric drive group which is not disconnected is located has no current short circuit, determining that the flying electric drive group with the current short