CN217282314U

CN217282314U - Unmanned aerial vehicle is with power supply system and unmanned aerial vehicle that steps up

Info

Publication number: CN217282314U
Application number: CN202220852763.9U
Authority: CN
Inventors: 李威; 刘铁军; 尤冰冰; 岳向泉; 李冰
Original assignee: Tianjin Hangyu Intelligent Equipment Co ltd
Current assignee: Tianjin Hangyu Intelligent Equipment Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-23
Anticipated expiration: 2032-04-14

Abstract

The utility model provides an unmanned aerial vehicle is with power supply system and unmanned aerial vehicle that steps up, this system includes: the battery is connected with the first power module and the second power module respectively, the first power module is connected with the control module through the first switch, the second power module is connected with the control module through the second switch, and the control module is connected with the wireless communication module. The utility model discloses a second power module adopts the mode of stepping up, has higher gain, can cross lowly at battery voltage, and the unable normal during operation of system rises battery voltage to stable output, ensures that the aircraft promptly navigates back, prevents the occurence of failure.

Description

Unmanned aerial vehicle is with power supply system and unmanned aerial vehicle that steps up

Technical Field

The utility model belongs to the unmanned aerial vehicle field particularly, relates to a power supply system and unmanned aerial vehicle steps up for unmanned aerial vehicle.

Background

For an unmanned aerial vehicle control system, at present, a voltage reduction circuit is mostly adopted to supply power to the whole control system. The voltage reduction circuit is used for supplying power, when the aircraft battery is abnormal or insufficient in electricity in the air, accidents can be caused due to abnormal system power supply, and particularly, power is supplied to key devices such as a flight control positioning system. For unmanned aerial vehicle unattended system, the battery voltage of unmanned aerial vehicle is often in the low potential when returning, if there is not effective safety mechanism the machine explosion accident may take place.

Disclosure of Invention

Technical problem to be solved

The embodiment of the utility model provides an unmanned aerial vehicle is with power supply system and unmanned aerial vehicle that steps up has increased unmanned aerial vehicle's security of returning a journey among the unmanned on duty system.

(II) technical scheme

In a first aspect, the embodiment of the utility model provides an unmanned aerial vehicle is with power supply system that steps up is provided, include:

the battery is respectively connected with the first power supply module and the second power supply module, the first power supply module is connected with the control module through the first switch, the second power supply module is connected with the control module through the second switch, and the control module is connected with the wireless communication module;

the second power module comprises an inductor L1, one end of the inductor L1 is connected with the negative electrode of a capacitor C1, the other end of the inductor L1 is connected with the negative electrode of a capacitor C2, the anode of a diode D1 and the drain of a switch S0, the anode of a capacitor C2 is connected with the anode of a diode D3 and the cathode of a diode D2, the anode of a diode D2 is connected with the cathode of a diode D1 and the negative electrode of a capacitor C3, the anode of a capacitor C3 is connected with the cathode of a diode D3, the anode of a capacitor C1 and one end of a resistor RL, and the other end of the resistor RL is connected with the source of a switch S0.

Wherein, the switch S0 is a field effect transistor.

The negative electrode of the capacitor C1 is connected to the positive electrode of the input voltage Vin.

The source of the switch S0 is connected to the negative terminal of the input voltage Vin.

In a second aspect, the utility model provides an unmanned aerial vehicle, including any one of the above-mentioned unmanned aerial vehicle is with power supply system that steps up.

(III) advantageous effects

The utility model discloses unmanned aerial vehicle includes with power supply system that steps up: the battery is respectively connected with the first power supply module and the second power supply module, the first power supply module is connected with the control module through the first switch, the second power supply module is connected with the control module through the second switch, and the control module is connected with the wireless communication module; the second power module comprises an inductor L1, one end of the inductor L1 is connected with the negative electrode of a capacitor C1, the other end of the inductor L1 is connected with the negative electrode of a capacitor C2, the anode of a diode D1 and the drain of a switch S0, the anode of a capacitor C2 is connected with the anode of a diode D3 and the cathode of a diode D2, the anode of a diode D2 is connected with the cathode of a diode D1 and the negative electrode of a capacitor C3, the anode of a capacitor C3 is connected with the cathode of a diode D3, the anode of a capacitor C1 and one end of a resistor RL, and the other end of the resistor RL is connected with the source of a switch S0. The utility model discloses a second power module adopts the mode of stepping up, has higher gain, can cross lowly at battery voltage, and the unable normal during operation of system rises battery voltage to stable output, ensures that the aircraft promptly navigates back, prevents the occurence of failure.

Drawings

Fig. 1 is a schematic structural view of a boosting power supply system for an unmanned aerial vehicle according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a hardware principle of a second power module in the boost power supply system for the unmanned aerial vehicle according to the embodiment of the present invention;

fig. 3 is a schematic diagram of a second power module t0-t1 stage in the boost power supply system for the unmanned aerial vehicle according to the embodiment of the present invention;

fig. 4 is a schematic diagram of a second power module t1-t2 stage in the boost power supply system for the unmanned aerial vehicle according to the embodiment of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings and examples.

In the following description, the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance. The following description provides examples, and does not limit the scope, applicability, or examples set forth in the claims. Changes may be made in the function and arrangement of elements described without departing from the scope of the disclosure. Various examples may omit, substitute, or add various procedures or components as appropriate. For example, the described methods may be performed in an order different than the order described, and various steps may be added, omitted, or combined. Furthermore, features described with respect to some examples may be combined into other examples.

Fig. 1 is a schematic structural diagram of the boost power supply system for the unmanned aerial vehicle of the present invention, as shown in fig. 1, S1 is a power supply switch 1, which is in a closed state in a normal state, and supplies power to the entire aircraft control system; s2 is a power supply switch 2 which is normally in an open state, and when the condition that the electric quantity of the airplane is too low is detected, S2 is switched to a closed state; u1 is the aircraft master control unit for control aircraft flight state, and U2 is wireless communication module, is used for ground cabin to carry out data interaction, sends the current flight state of aircraft and battery voltage to ground cabin control unit in real time, and ground cabin control unit prepares the aircraft to prepare for landing at any time after effective judgement. The interface between the control module U1 and the wireless communication module is in a common serial port form.

The utility model discloses unmanned aerial vehicle is with power supply system that steps of carrying out as follows:

(1) when the voltage of the battery is normal, S1 is closed, S2 is opened, and the power module P1 supplies power to the airplane control unit;

(2) when the voltage of the battery of the airplane suddenly drops to a threshold value or the battery capacity is too low, and the airplane is at a position far away from the cabin, the control unit switches the power supply system, S1 is opened, S2 is closed, and the power supply module P2 is switched to supply power to the airplane control unit in an emergency mode;

(3) the wireless communication module transmits the airplane position and the battery information to the ground;

(4) the cabin control system is ready for the return flight of the airplane, and the charging device is started to charge the airplane battery at any time.

As shown in fig. 2, the second power module includes an inductor L1, one end of the inductor L1 is connected to the negative electrode of the capacitor C1, the other end of the inductor L1 is connected to the negative electrode of the capacitor C2, the anode of the diode D1, and the drain of the switch S0, the anode of the capacitor C2 is connected to the anode of the diode D3 and the cathode of the diode D2, the anode of the diode D2 is connected to the cathode of the diode D1 and the cathode of the capacitor C3, the anode of the capacitor C3 is connected to the cathode of the diode D3, the anode of the capacitor C1, and one end of the resistor RL, and the other end of the resistor RL is connected to the source of the switch S0. The cathode of the capacitor C1 is connected to the anode of the input voltage Vin, and the source of the switch S0 is connected to the cathode of the input voltage Vin. The positive electrode of the capacitor C1 is connected to the positive electrode of the output voltage, and the source of the switch S0 is connected to the negative electrode of the output voltage. The switch S0 is, for example, a Field Effect Transistor (FET).

As shown in fig. 2-4, the system power supply module P2 adopts a boost mode, has a high gain, and can boost the battery voltage to a stable output when the battery voltage is too low and the system cannot work normally, so as to ensure emergency return of the aircraft and prevent accidents, and the schematic diagram of the boost circuit is shown in fig. 2. The power module P2 operation phase is divided into the following two phases.

First phases t0-t 1: as shown in fig. 3, switch S0 is closed and the current loop has three paths, the first path: the input voltage series capacitance C1(C1 has been charged in the previous stage) discharges the load, the second path: an input voltage series capacitor C1 charges capacitors C2 and C3 through a diode D2 and a switch S0, and a third path is as follows: the input voltage charges inductor L1 via switch S0.

In the second phase t1-t2, as shown in fig. 4, the switch S0 is open, and the current loop has three paths, first: the input voltage is connected with the inductor L1 and the capacitor C2 in series and discharged to the load through the diode D3, and secondly: the input voltage is connected with an inductor L1 and a capacitor C3 in series and discharged to a load through a diode D2, and thirdly: the inductor L1 charges the capacitor C1 through a parallel circuit, and the parallel circuit is formed by connecting the capacitor C2 in series with the capacitor D3 and connecting the capacitor C3 in series with the capacitor D2.

the t0-t1 stage and the t1-t2 stage are circulated, so that high boosting is realized.

The utility model also provides an unmanned aerial vehicle, including above-mentioned arbitrary the unmanned aerial vehicle is with power supply system that steps up.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A boost power supply system for an unmanned aerial vehicle, comprising: the battery is respectively connected with the first power supply module and the second power supply module, the first power supply module is connected with the control module through the first switch, the second power supply module is connected with the control module through the second switch, and the control module is connected with the wireless communication module;

2. A step-up power supply system for an unmanned aerial vehicle according to claim 1, wherein the switch S0 is a field effect transistor.

3. A boost power supply system for unmanned aerial vehicle according to claim 1 or 2, wherein the negative pole of capacitor C1 is connected to the positive pole of input voltage Vin.

4. A step-up power supply system for unmanned aerial vehicle according to claim 1 or 2, wherein a source of the switch S0 is connected to a negative pole of the input voltage Vin.

5. An unmanned aerial vehicle, characterized in that, includes any one in claim 1-4 the power supply system with step-up for unmanned aerial vehicle.