Distributed power supply method and device for large-wingspan aircraft

Abstract

The embodiment of the invention discloses a distributed power supply method and device for a large-wingspan aircraft, and the method comprises the steps: employing a solar cell and an energy storage battery to cooperate to supply power to the large-wingspan aircraft, enabling the upper surface of the large-wingspan aircraft to be provided with a solar cell panel, enabling the solar cell panel to serve as an upper skin, and enabling the left and right sides of the whole aircraft to be respectively provided with a group of energy storage batteries; in the daytime, the solar battery pack collects illumination to generate electric energy, the energy is distributed by the energy controller, and the energy storage battery can be charged after the load requirement of the large-wingspan aircraft is met; at night, the large-wingspan aircraft load is powered by the energy storage battery. By means of the distributed energy power supply system, the endurance of the large-wingspan aircraft can be greatly improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aircraft, and particularly relates to a distributed power supply method for a large-wing-span aircraft. BACKGROUND

[0002] Large-wing-span aircrafts are widely used in military and civilian fields such as weather monitoring and communication platforms. However, in the field of energy supply, how to efficiently use solar energy and energy storage batteries together is a big problem.

[0003] In general energy systems, the power supply architecture is mainly divided into centralized and distributed. The centralized one is relatively simple and easy to manage, but the system failure risk is high. The distributed one has higher reliability and is more energy-saving and environmentally friendly, but its design is more complex, especially the modular design is a problem. For the energy management strategy of large-wing-span aircraft, when designing the energy supply system, it faces many problems, such as unreasonable power supply architecture leading to insufficient energy utilization rate, lack of autonomous adaptability of energy distribution leading to inability to automatically adjust energy supply according to actual working conditions, etc. SUMMARY

[0004] In order to solve the above problems of large-wing-span aircraft energy supply system, the present application provides an energy supply architecture according to the existing problems of large-wing-span aircraft, which enables modular management of large-wing-span aircraft energy and self-adaptation of flight according to actual use conditions.

[0005] In a first aspect, the present application provides a distributed power supply method for a large-wing-span aircraft, which specifically comprises: step S01, a sensor acquires illumination information; step S02, it is judged whether the illumination information meets the first power supply condition; if not, step S03 is executed; if yes, step S04 is executed; step S03, control is powered by an energy storage battery; step S04, it is judged whether the solar cell array power meets the second power supply condition, if not, step S05 is executed; if yes, step S06 is executed; step S05, control is powered by the solar cell array and the energy storage battery; step S06, control is powered by the solar cell array for a large-wing-span aircraft, and at the same time, control is charged for the energy storage battery by the solar cell array.

[0006] Specifically, the illumination information includes: illumination intensity.

[0007] Specifically, the judgment of whether the illumination information meets the first power supply condition includes: judging whether the illumination intensity is greater than a pre-set first threshold.

[0008] Specifically, the energy storage battery includes: 2 energy storage batteries are integrated into a high-voltage bus; the solar cell array includes 4 energy controllers.

[0009] Specifically, the judging whether the solar cell array generated power meets the second power supply condition comprises: whether the solar cell array generated power is greater than the airborne power.

[0010] In a second aspect, the embodiment of the present application provides a distributed power supply device for a large-wing-span aircraft, which specifically comprises: a sensor module, a sensor acquires illumination information; a first judging module, which judges whether the illumination information meets a first power supply condition; if not, a first power supply mode is executed; if yes, a second judging module is jumped to; the first power supply mode controls power supply by an energy storage battery; the second judging module judges whether the solar cell array generated power meets a second power supply condition; if not, a second power supply mode is executed; if yes, a third power supply mode is executed; the second power supply mode controls joint power supply by the solar cell array and the energy storage battery; the third power supply mode controls power supply for the large-wing-span aircraft by the solar cell array, and controls charging for the energy storage battery by the solar cell array at the same time.

[0011] Specifically, the illumination information comprises: illumination intensity.

[0012] Specifically, the judging whether the illumination information meets the first power supply condition comprises: judging whether the illumination intensity is greater than a pre-set first threshold value.

[0013] Specifically, the energy storage battery comprises: two energy storage batteries incorporated in a high-voltage bus; the solar cell array comprises four energy controllers.

[0014] Specifically, the judging whether the solar cell array generated power meets the second power supply condition comprises: whether the solar cell array generated power is greater than the airborne power.

[0015] The embodiment of the present application discloses a distributed power supply method of solar cell panels and energy storage batteries, which meets the whole process of aircraft flight, and the energy supply architecture does not need manual control in the whole process, and can be self-adaptive to the flight working condition of a large-wing-span aircraft. The distributed power supply method of the solar cell panels and the energy storage batteries meets the long-time flight of the large-wing-span aircraft, and has high power supply redundancy. Meanwhile, the solar cell array of the large-wing-span aircraft is divided into multiple parts, each part is configured with an energy controller to generate power, the solar cell array of the large-wing-span aircraft is controlled by four energy controllers, and two energy storage batteries are incorporated in a high-voltage bus. The partial damage of the solar cell array and the failure of one group of energy storage batteries do not affect the power supply system of the large-wing-span aircraft. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the distributed power supply system of the embodiment of the present application;

[0017] Figure 2A flowchart of a distributed power supply method of an embodiment of the present application. DETAILED DESCRIPTION

[0018] The present application will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and should not be considered limiting thereof. In addition, it should be noted that only the parts related to the present application are shown in the accompanying drawings for the convenience of description.

[0019] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0020] The power supply system of the large-wing-span aircraft mainly includes high-voltage power supply and low-voltage power supply. The present embodiment mainly focuses on the distributed power supply of the high-voltage part. The high-voltage power of the large-wing-span aircraft can be obtained from the high-voltage bus. In the present embodiment, the solar cell and the energy storage battery are cooperated to input to the high-voltage bus, and the large-wing-span aircraft bus is provided for the load.

[0021] In the present embodiment, the power supply working conditions of the large-wing-span aircraft include energy storage battery power supply, energy storage battery and solar cell common power supply, energy storage battery charging and energy storage battery full power.

[0022] In the present embodiment, during the flight of the large-wing-span aircraft, the power supply mode depends on the intensity of sunlight and the power consumption of the load of the large-wing-span aircraft. The intensity of sunlight determines whether the solar cell array can generate electricity, and the power of the load and the solar cell array determines the charging and discharging state of the energy storage battery.

[0023] Firstly, the distributed power supply method of the present embodiment will be described in detail with reference to the accompanying drawings. Figure 2

[0024] Step S01, the sensor acquires illumination information.

[0025] The optical sensor carried in the large-wing-span aircraft is used to acquire the illumination information in the flight, and the illumination information includes the intensity of illumination.

[0026] Step S02, it is judged whether the illumination information meets the first power supply condition. If not, step S03 is executed; if yes, step S04 is executed.

[0027] It is judged whether the acquired illumination information meets the first power supply condition, including whether the intensity of illumination is greater than the first threshold value set in advance.

[0028] Step S03, the power is controlled by the energy storage battery.

[0029] ​The light information does not satisfy the first power supply condition, indicating that the light intensity is weak or there is no light at this time, and the solar cell array power is insufficient, at this time the large wingspan aircraft is powered by the energy storage battery.

[0030] Specifically, two energy storage batteries are incorporated into the high-voltage bus. The whole machine suspends a group of energy storage batteries on the left and right.

[0031] Step S04, determine whether the solar cell array power satisfies the second power supply condition, if not, execute step S05; if yes, execute step S06.

[0032] Determine whether the solar cell array power satisfies the second power supply condition, including whether the solar cell array power is greater than the on-board power.

[0033] Step S05, control the joint power supply by the solar cell array and the energy storage battery.

[0034] The light information satisfies the first power supply condition, indicating that the light intensity is strong at this time, and the solar cell array power can supply the large wingspan aircraft, but the power is still less than or equal to the on-board power of the large wingspan aircraft, and the energy storage battery is still needed to supply part of the power to the large wingspan aircraft.

[0035] Specifically, as shown in Figure 1 The solar cell array of the large wingspan aircraft is controlled by four energy controllers.

[0036] Step S06, control the power supply of the solar cell array to the large wingspan aircraft, and at the same time, control the solar cell array to charge the energy storage battery.

[0037] If the light intensity is strong enough, that is, the solar cell array power is greater than the on-board power of the large wingspan aircraft, the energy storage battery can be charged while supplying power to the large wingspan aircraft, so that the energy storage battery can enter the working state when the light intensity is insufficient.

[0038] Specifically, when there is light, the solar cell array generates power, and the energy storage battery is already in a full charge state, at this time the energy storage battery is no longer charged, but only floats on the high-voltage bus, and the output power of the solar cell array only satisfies the on-board power.

[0039] In the embodiment, the solar cell panel and the energy storage battery are used in a distributed power supply method, which can meet the needs of the whole flight process of the aircraft, and the whole power supply architecture does not need manual control and can be self-adaptive to the flight conditions of the large wingspan aircraft. The distributed power supply method of the solar cell and the energy storage battery can meet the long-time flight of the large wingspan aircraft and has high power supply redundancy. In the embodiment, the solar cell array of the large wingspan aircraft is divided into multiple parts, each part is configured with an energy controller to generate power, the solar cell array of the large wingspan aircraft is controlled by four energy controllers, and the high-voltage bus is connected with two energy storage batteries. The partial damage of the solar cell array and the failure of one group of energy storage batteries do not affect the power supply system of the large wingspan aircraft.

[0040] Further, the application provides a distributed power supply device for a large wingspan aircraft, which can be assembled in the large wingspan aircraft.

[0041] A sensor module is used to acquire illumination information by a sensor.

[0042] The optical sensor carried in the large wingspan aircraft is used to acquire illumination information during flight, and the illumination information includes illumination intensity.

[0043] A first judgment module is used to judge whether the illumination information meets a first power supply condition. If not, a first power supply mode is executed; if yes, a second judgment module is jumped to.

[0044] The judgment of whether the acquired illumination information meets the first power supply condition includes whether the illumination intensity is greater than a first threshold value set in advance.

[0045] The first power supply mode controls the power supply by the energy storage battery.

[0046] The illumination information does not meet the first power supply condition, which indicates that the illumination intensity is weak or there is no illumination at this time, and the power generation of the solar cell array is insufficient, so the large wingspan aircraft is powered by the energy storage battery.

[0047] Specifically, two energy storage batteries are connected in the high-voltage bus.

[0048] A second judgment module is used to judge whether the power generation of the solar cell array meets a second power supply condition. If not, a second power supply mode is executed; if yes, a third power supply mode is executed.

[0049] The judgment of whether the power generation of the solar cell array meets the second power supply condition includes whether the power generation of the solar cell array is greater than the onboard power.

[0050] The second power supply mode controls the joint power supply of the solar cell array and the energy storage battery.

[0051] The light information meets the first power supply condition, indicating that the light intensity is strong at this time, the solar cell power generation array can supply power to the large wing span aircraft, but the power generation is still less than or equal to the on-board power of the large wing span aircraft, and the energy storage battery is still needed to supply part of the power to the large wing span aircraft.

[0052] Specifically, the solar cell array of the large wing span aircraft is controlled by four energy controllers.

[0053] The third power supply mode controls the solar cell array to supply power to the large wing span aircraft, and controls the solar cell array to charge the energy storage battery.

[0054] If the light intensity is strong enough, that is, the power generation of the solar cell array is greater than the on-board power of the large wing span aircraft, the energy storage battery can be charged while supplying power to the large wing span aircraft, so that the energy storage battery can enter the working state when the light intensity is insufficient.

[0055] Specifically, when there is light, the solar cell array generates power, and the energy storage battery is already in a full power state, at this time, the energy storage battery is no longer charged, but only floats on the high-voltage bus, and the output power of the solar cell only meets the on-board power.

[0056] The above description is only the preferred embodiment of the present application and the explanation of the applied technical principles. Those skilled in the art should understand that the scope of the application involved in the present application is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by the combination of the above technical features or their equivalent features without departing from the above inventive concept. For example, the above features are replaced with the technical features disclosed in the present application (but not limited to) having similar functions to form technical solutions.

Claims

1. A distributed power supply method for a large wingspan aircraft, specifically comprising: Step S01: The sensor acquires illumination information; Step S02: Determine whether the illumination information meets the first power supply condition; If not satisfied, proceed to step S03; if satisfied, proceed to step S04. Step S03: Control the power supply from the energy storage battery; Step S04: Determine whether the power generation of the solar array meets the second power supply condition. If not, proceed to step S05; if so, proceed to step S06. Step S05: Control the power supply to be jointly provided by the solar cell array and the energy storage battery; Step S06: Control the solar array to supply power to the large wingspan aircraft, and at the same time, control the solar array to charge the energy storage battery.

2. The method according to claim 1, wherein the illumination information includes: Light intensity.

3. The method according to claim 2, comprising: The step of determining whether the illumination information meets the first power supply condition includes: Determine whether the light intensity is greater than a preset first threshold.

4. The method according to claim 1, comprising: The energy storage battery includes: two energy storage batteries connected in parallel to the high-voltage bus; The solar array is controlled by four energy controllers.

5. The method according to claim 1, comprising: The determination of whether the power generation of the solar cell array meets the second power supply condition includes: Does the power output of the solar array exceed the onboard power? 6. A distributed power supply device for a large wingspan aircraft, specifically comprising: The sensor module is used to acquire lighting information. The first judgment module determines whether the illumination information meets the first power supply condition; If the conditions are not met, then the first power supply mode will be executed; If the condition is met, proceed to the second judgment module; The first power supply mode is controlled by energy storage batteries; The second judgment module determines whether the power generation of the solar array meets the second power supply conditions. If not, the second power supply mode is executed. If satisfied, the third power supply mode will be executed. The second power supply mode controls the combined power supply from the solar cell array and the energy storage battery. The third power supply mode controls the solar array to supply power to the large wingspan aircraft, and at the same time controls the solar array to charge the energy storage battery.

7. The apparatus according to claim 6, wherein the illumination information includes: Light intensity.

8. The apparatus according to claim 7, comprising: The step of determining whether the illumination information meets the first power supply condition includes: Determine whether the light intensity is greater than a preset first threshold.

9. The apparatus according to claim 6, comprising: The energy storage battery includes: two energy storage batteries connected in parallel to the high-voltage bus; The solar array is controlled by four energy controllers.

10. The apparatus of claim 6, comprising: The determination of whether the power generation of the solar cell array meets the second power supply condition includes: Does the power output of the solar array exceed the onboard power?

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