CN110825150A - Unmanned aerial vehicle is with digital power supply unit who has distribution function - Google Patents
Unmanned aerial vehicle is with digital power supply unit who has distribution function Download PDFInfo
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- CN110825150A CN110825150A CN201911121255.2A CN201911121255A CN110825150A CN 110825150 A CN110825150 A CN 110825150A CN 201911121255 A CN201911121255 A CN 201911121255A CN 110825150 A CN110825150 A CN 110825150A
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- 238000005315 distribution function Methods 0.000 title claims abstract description 27
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- 238000001816 cooling Methods 0.000 claims description 11
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- 238000012544 monitoring process Methods 0.000 abstract description 17
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- 230000017525 heat dissipation Effects 0.000 description 1
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/56—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices
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Abstract
The invention discloses a digital power supply device with power distribution function for an unmanned aerial vehicle, which comprises: the power supply comprises an electric energy conversion board card A, an electric energy conversion board card B, a power supply control and monitoring board card and a power supply electric energy distribution board card. The alternating current input interface is respectively connected with the electric energy conversion board card A and the electric energy conversion board card B; the ground power supply and the emergency battery input interface are respectively connected with the electric energy conversion board A and the electric energy conversion board B; the V electric energy output interface is connected with the power supply electric energy distribution board card; the power supply electric energy distribution board card is respectively connected with the power supply detection and control board card, the electric energy conversion board card A and the electric energy conversion board card B; the power supply detection and control board card is respectively connected with the electric energy conversion board card A and the electric energy conversion board card B. The invention integrates the functions of power supply conversion and electric energy distribution, and saves joint debugging work between the power supply and power distribution; the functional board cards with different functions are divided, replacement operation can be carried out after the board cards are damaged, and system maintenance time is shortened.
Description
Technical Field
The invention belongs to the technical field of design of airborne power supplies of unmanned aerial vehicles, and particularly relates to a digital power supply device with a power distribution function for an unmanned aerial vehicle.
Background
At present, a power supply system of a domestic medium-sized and large-sized unmanned aerial vehicle is mainly composed of an alternating current-direct current generator, a power supply conversion device, an electric energy distribution device and an emergency battery. The system of this type constitutes and has the discrete equipment many, system debugging time is long, required installation space is big, system weight is heavy and quality control is difficult shortcoming, especially to the unmanned aerial vehicle that installation space and weight required are stricter, this shortcoming is especially obvious.
Disclosure of Invention
The technical problem solved by the invention is as follows: the digital power supply device integrates the functions of power supply conversion and electric energy distribution, and saves joint debugging work between a power supply and power distribution; the internal control program has an intelligent operation design and can automatically adjust the power utilization configuration of the equipment according to the flight state of the unmanned aerial vehicle; the modular design is adopted, the integrated circuit board is divided into functional board cards with different functions, and replacement operation can be performed after the board cards are damaged, so that the system maintenance time is shortened; the RS422 digital communication serial port and the CAN bus communication interface are adopted, so that the functions of single-point digital communication and bus communication of the equipment are realized.
The purpose of the invention is realized by the following technical scheme: a digital power supply unit with power distribution function for unmanned aerial vehicle, comprising: the system comprises an alternating current input interface, a ground power supply and emergency battery input interface, a V electric energy output interface, a bus bar A electric energy output interface, a bus bar B electric energy output interface, a communication and reserved signal interface, a power supply electric energy distribution board card, a power supply detection and control board card, an electric energy conversion board card A and an electric energy conversion board card B; the alternating current input interface is respectively connected with the electric energy conversion board card A and the electric energy conversion board card B; the ground power supply and the emergency battery input interface are respectively connected with the electric energy conversion board card A and the electric energy conversion board card B; the V electric energy output interface is connected with the power supply electric energy distribution board card; the bus bar A electric energy output interface is connected with the power supply electric energy distribution board card; the bus bar B electric energy output interface is connected with the power supply electric energy distribution board card; the communication and reserved signal interface is connected with the power supply detection and control board card; the power supply electric energy distribution board card is respectively connected with the power supply detection and control board card, the electric energy conversion board card A and the electric energy conversion board card B; the power supply detection and control board card is respectively connected with the electric energy conversion board card A and the electric energy conversion board card B.
In the digital power supply device with the power distribution function for the unmanned aerial vehicle, the alternating current input interface is connected with the generator, the bus bar A electric energy output interface is connected with a power supply terminal of electric equipment for the unmanned aerial vehicle emergency platform, and the bus bar B electric energy output interface is connected with a power supply terminal of load equipment of the unmanned aerial vehicle; the V electric energy output interface is connected with a power supply terminal of electric equipment of the unmanned aerial vehicle power system; the communication and reserved signal interface is mutually connected with a communication interface of the unmanned aerial vehicle flight control machine; ground power and emergency battery input interface and unmanned aerial vehicle emergency battery interconnect.
In the above-mentioned unmanned aerial vehicle is with digital power supply unit who has distribution function, still include: a heat radiation fan; the heat dissipation fan is connected with the power supply detection and control board card.
In the digital power supply device with the power distribution function for the unmanned aerial vehicle, an engine is started, the engine drives a generator to rotate after being started, two paths of mutually independent alternating currents are transmitted to an alternating current input interface, an electric energy conversion board card A collects one path of alternating current of the alternating current input interface, converts the alternating current into direct current with fixed values of 28V and 12V, and transmits the direct current to the unmanned aerial vehicle emergency platform equipment and the unmanned aerial vehicle power system equipment through a bus bar A electric energy output interface 4 and a 14V electric energy output interface 3 after passing through a power supply electric energy distribution board card 8; the electric energy conversion board B collects the alternating current of the other path of the alternating current input interface, converts the alternating current into V direct current, and transmits the electric energy to the electric load through the electric energy output interface of the bus bar B after passing through the power supply electric energy distribution board; the power supply detection and control board card collects input alternating current voltage, output direct current voltage and current, emergency battery charging and discharging current and board card working temperature fed back by the electric energy conversion board card A and the electric energy conversion board card B, sends the input alternating current voltage and current, the emergency battery charging and discharging current and the board card working temperature to the flight control machine through the communication and reserved signal interface and displays the current at the ground control end, and once the phenomena of input overvoltage, input undervoltage, output overvoltage and output undervoltage occur in the power supply, the power supply alarms and stops working; when the working temperature of the power supply is higher than 40 ℃, the power supply detection and control board card starts the cooling fan, once the power supply has an overtemperature phenomenon, the power supply sends out an alarm signal, when the alarm is not recovered for a long time, the power supply automatically stops working, and the cooling fan is started again when the temperature is recovered to be normal; the flight control machine sends a power switch control instruction through a communication and reserved signal interface, the power detection and control board card receives and resolves control information to control the working state of a switch in the power electric energy distribution board card, the power electric energy distribution board card feeds back the working state condition of the switch to the power detection and control board card, and the power detection and control board card is finally sent to the ground control end through the communication and reserved signal interface, so that ground personnel can conveniently observe the power switch; according to the state change of the unmanned aerial vehicle in the flying process, the flight control machine sends state information to the power supply device through the communication and reserved signal interface, and the power supply detection and control panel card controls the opening and closing state of the switch in the power supply electric energy distribution board card after receiving and resolving the state information so as to realize the optimal distribution of electric energy.
In the digital power supply device with the power distribution function for the unmanned aerial vehicle, the power supply electric energy distribution board card internally comprises the one-way conduction diode, and when the electric energy conversion board card A breaks down, the electric energy conversion board card B supplies power to the bus bar A through the one-way conduction diode of the power supply electric energy distribution board card.
In the digital power supply device with the power distribution function for the unmanned aerial vehicle, in a ground working mode, a ground power supply is connected with equipment through a ground power supply and an emergency battery input interface, the ground power supply and the emergency battery input interface are respectively connected with the outputs of an electric energy conversion board card A and an electric energy conversion board card B in parallel, electric energy is respectively output to a 14V electric energy output interface, a bus bar A electric energy output interface and a bus bar B electric energy output interface through a power supply electric energy distribution board card, a communication and reserved signal interface is mutually connected with a flight control machine, the power supply detection and control board card controls the working state of a switch in the power supply electric energy distribution board card after receiving and resolving a control command and feeds the working state of the switch back to the power supply detection and control board card, the working state is transmitted to the flight control machine through the communication and reserved signal interface and is finally; the power supply detection and control board card monitors 14V output voltage and output current, sends the numerical value to the flight control machine through the communication and reserved signal interface, and finally displays the numerical value in the ground operation station.
In the digital power supply device with the power distribution function for the unmanned aerial vehicle, the communication and reserved signal interface receives ADC detection data and PT1000 data and transmits the data to the power supply detection and control board card, and the power supply detection and control board card settles the ADC detection data and the PT1000 data and then sends the data to the flight control machine through the communication and reserved signal interface and finally transmits the data to the ground operation station.
In the digital power supply device with the power distribution function for the unmanned aerial vehicle, the communication and reserved signal interface receives a DO control instruction sent by the flight control machine, and the power supply detection and control board card resolves the DO control instruction, then sends the DO control instruction to the flight control machine through the communication and reserved signal interface and finally transmits the DO control instruction to the ground operation station.
In the digitalized power supply device with the power distribution function for the unmanned aerial vehicle, the communication and reserved signal interface receives external DI signal input and transmits the DI signal input to the power supply detection and control board card, and the power supply detection and control board card (9) sends the DI signal to the flight control machine through the communication and reserved signal interface and displays the DI signal in the ground operation station after settling the signal.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention adopts the modular design and is divided into the functional board cards with different functions, and the replacement operation can be carried out after the board cards are damaged, thereby shortening the system maintenance time;
(2) the invention integrates the functions of power conversion and power electric energy distribution, cancels the principle of independent design of conventional power conversion and electric energy distribution equipment, realizes the function integration of the power supply device, and omits the joint regulation time of the power conversion device and the electric energy distribution device:
(3) the unmanned aerial vehicle intelligent power distribution management system can receive unmanned aerial vehicle state information sent by unmanned aerial vehicle flight control equipment, and the power supply device can identify the state information of the unmanned aerial vehicle and control the electric energy distribution switch to be closed, so that the intelligent power distribution management of the unmanned aerial vehicle is realized.
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Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic diagram of a digitized power supply device with a power distribution function for an unmanned aerial vehicle according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the connection between the unmanned aerial vehicle provided by the embodiment of the invention and an external device by using a digital power supply device with a power distribution function.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1 is a schematic diagram of a digital power supply device with a power distribution function for an unmanned aerial vehicle according to an embodiment of the present invention. As shown in fig. 1, the integrated power supply device with power distribution function for the unmanned aerial vehicle comprises an alternating current input interface 1, a ground power supply and emergency battery input interface 2, a 14V power output interface 3, a bus bar a power output interface 4, a bus bar B power output interface 5, a communication and reserved signal interface 6, a cooling fan 7, a power supply power distribution board 8, a power supply detection and control board 9, a power conversion board a10 and a power conversion board B11; wherein,
the alternating current input interface 1 is respectively connected with the electric energy conversion board A10 and the electric energy conversion board B11; the ground power supply and the emergency battery input interface 2 are respectively connected with an electric energy conversion board A10 and an electric energy conversion board B11; the 14V electric energy output interface 3 is connected with the power supply electric energy distribution board card 8; the bus bar A electric energy output interface 4 is connected with the power supply electric energy distribution board card 8; the bus bar B electric energy output interface 5 is connected with the power supply electric energy distribution board card 8; the communication and reservation signal interface 6 is connected with the power supply detection and control board card 9; the heat radiation fan 7 is connected with the power supply detection and control board card 9; the power supply electric energy distribution board card 8 is respectively connected with the power supply detection and control board card 9, the electric energy conversion board card A10 and the electric energy conversion board card B11; the power supply detection and control board card 9 is respectively connected with the electric energy conversion board card A10 and the electric energy conversion board card B11;
as shown in fig. 2, the alternating current input interface 1 is connected with a generator, the bus bar a electric energy output interface 4 is connected with a power supply terminal of an electric device for an emergency platform of the unmanned aerial vehicle, and the bus bar B electric energy output interface 5 is connected with a power supply terminal of a load device of the unmanned aerial vehicle; the 14V electric energy output interface 3 is connected with a power supply terminal of electric equipment of the unmanned aerial vehicle power system; the communication and reserved signal interface 6 is mutually connected with a communication interface of the unmanned aerial vehicle flight control machine; ground power and emergency battery input interface 2 and unmanned aerial vehicle emergency battery interconnect.
As shown in fig. 1, this unmanned aerial vehicle has two kinds of service conditions with power distribution's integrated power supply unit, divide into flight service condition and ground service condition, and flight service condition includes: connecting a generator input interface with a generator input interface 1 of a power supply device; the bus bar A electric energy output interface 4 is connected with a power supply terminal of electric equipment of the unmanned aerial vehicle emergency platform; mutually connecting the bus bar B electric energy output interface 5 with a power supply end of the unmanned aerial vehicle load equipment; the 14VDC electric energy output interface 3 is connected with a power supply terminal of electric equipment of the unmanned aerial vehicle power system; connecting a communication and reserved signal interface 6 with a communication interface of an unmanned aerial vehicle flight control machine; the ground power supply and emergency battery input interface 2 is connected with the unmanned aerial vehicle emergency battery;
a battery power supply switch is turned on, and a 14V module in the electric energy conversion board card A10 works and supplies power to a power system; the method comprises the steps that an engine is started, the engine drives a generator to rotate after being started, two paths of mutually independent alternating currents are transmitted to a generator input interface 1, an electric energy conversion board A10 collects input alternating current voltage, output direct current voltage and current and emergency battery charging and discharging current, the alternating currents are converted into direct currents with fixed values of 28V and 12V through a synchronous rectification circuit, a pre-voltage stabilizing circuit, a 28V electric energy conversion circuit and a 14V electric energy conversion circuit, and the direct currents are transmitted to unmanned aerial vehicle emergency platform equipment and unmanned aerial vehicle power system equipment through an electric energy output interface 4 and a 14V electric energy output interface 3; the current conversion board card B11 collects input alternating current voltage, output direct current voltage and current, converts alternating current into 28V direct current through a synchronous rectification circuit, a pre-voltage stabilizing circuit and a 28V electric energy conversion circuit, and transmits electric energy to an electric load through an electric energy output interface 5; the power supply control and detection board card 9 collects input alternating current voltage, output direct current voltage and current, emergency battery charging and discharging current and board card working temperature fed back by the electric energy conversion board card A10 and the electric energy conversion board card B11, the numerical values are sent to the flight control machine through the communication and reserved signal interface 6 and displayed at the ground control end, and once the power supply has the phenomena of input overvoltage, input undervoltage, output overvoltage, output undervoltage and the like, the power supply gives an alarm and stops working; when the working temperature of the power supply is higher than 40 ℃, the power supply control and detection board card 9 starts the cooling fan 7, once the power supply has an overtemperature phenomenon, the power supply sends out an alarm signal, when the alarm is not recovered for a long time, the power supply automatically stops working, and the cooling fan is started again when the temperature is recovered to be normal; the flight control machine sends a power switch control instruction through the communication and reserved signal interface 6, the power control and detection board 9 receives and calculates control information to control the working state of a switch in the power electric energy distribution board 8, the power electric energy distribution board 8 feeds back the working state condition of the switch to the power control and detection board 9, and finally the switch is started to a ground control end through the communication and reserved signal interface 6, so that ground personnel can observe conveniently; the power supply electric energy distribution board card 8 internally comprises a one-way conduction diode, and when the electric energy conversion board card A10 breaks down, the electric energy conversion board card B11 can supply power to the bus bar A through the conduction diode; according to the state change of the unmanned aerial vehicle in the flying process, the flight control machine sends state information to the power supply device through the communication and reserved signal interface 6, and the power supply control and detection board card 9 controls the opening and closing state of the switches in the power supply electric energy distribution board card after receiving and resolving the relevant state information so as to realize the optimal distribution of electric energy.
In a ground working mode, a ground power supply is connected with equipment through a ground power supply and an emergency battery input interface 2 and is respectively connected with outputs of an electric energy conversion board card A10 and an electric energy conversion board card B11 in parallel, electric energy is respectively output to a 14V electric energy output interface 3, a bus bar A electric energy output interface 4 and a bus bar B electric energy output interface 5 through a power supply electric energy distribution board card 8, a communication and reservation signal interface 6 is connected with a flight control machine, the power supply control and monitoring board card 9 controls the working state of a switch in the electric energy distribution board card 8 after receiving and resolving a control instruction and feeds the working state of the switch back to the power supply control and monitoring board card 9, the working state of the switch is transmitted to the flight control machine through the communication and reservation signal interface 6 and is finally displayed in a ground operation; the power supply control and monitoring board card 9 monitors 14V output voltage and output current, sends the numerical value to the flight control machine through the communication and reserved signal interface 6 and finally displays the numerical value in the ground operation station.
If an ADC (analog to digital converter) detection function, a DI/DO (digital to analog/digital) control function and a PT1000 control function are added to the power supply device as required, the power supply device is mutually connected with corresponding cables in the communication and reserved signal interface 6, ADC detection data and PT1000 data are settled through the power supply control and monitoring board card 9, and are sent to the flight control machine through the communication and reserved signal interface 6 and finally transmitted to the ground operation station; the communication and reservation signal interface 6 receives a DO control instruction sent by the flight control machine, the power control and monitoring board 9 resolves and processes data, and outputs the data in the communication and reservation signal interface 6; the communication and reservation signal interface 6 receives external DI signal input and transmits the input to the power control and monitoring board card 9, and after the signals are settled, the signals are transmitted to the flight control machine through the communication and reservation signal interface 6 and displayed in the ground operation station.
This unmanned aerial vehicle still includes the power supply unit shell with integrating power distribution function, and wherein, radiator fan 7, power electric energy distribution integrated circuit board 8, power detection and control integrated circuit board 9, electric energy conversion integrated circuit board A10 and electric energy conversion integrated circuit board B11 all set up in the power supply unit shell. The alternating current input interface 1, the ground power supply and emergency battery input interface 2, the 14V electric energy output interface 3, the bus bar A electric energy output interface 4, the bus bar B electric energy output interface 5 and the communication and reserved signal interface 6 are arranged on the shell wall of the power supply device shell.
The power supply unit shell is made by the aluminum alloy, adopts mosaic structure to make, and concatenation department scribbles the conducting resin in order to ensure power supply unit's electromagnetic compatibility, and the shell adopts surface anodization, prevents that the shell from taking place damage such as rust, corruption. The surface of the shell is provided with a small radiating hole for the flow guiding of the radiating fan, and the diameter of the small hole meets the requirement of electromagnetic compatibility.
The electric energy conversion board card A is composed of an alternating current input voltage acquisition circuit, a synchronous rectification circuit, a pre-stabilized power supply module, a 28V power supply conversion module, a 14V power supply conversion module, an output voltage and current detection circuit and an emergency battery voltage and charging and discharging current detection circuit. 28V output by the board card A is output by the bus bar A electric energy output interface after passing through the power supply control and detection board card and the power supply electric energy distribution board card.
Electric energy output by a 14V power supply conversion module in the electric energy conversion board A is output by a 14V electric energy output interface and a communication and reserved signal interface through a power supply control and detection board and a power supply electric energy distribution board; the electric energy conversion board card A has the functions of overload protection and short circuit protection.
The electric energy conversion board card B consists of an alternating current input voltage acquisition circuit, a synchronous rectification circuit, a pre-stabilized power supply module, a 28V power supply conversion module and an output voltage and current detection circuit. 28V output by the board card B is output by the bus bar B electric energy output interface after passing through the power supply control and detection board card and the power supply electric energy distribution board card; the electric energy conversion board card B has the functions of overload protection and short circuit protection.
The power supply control and monitoring board card can collect and process the voltage of the alternating current input by the board card A and the board card B, output the voltage and the current, the working temperature of the board card A and the board card B and the voltage and the current of a 14V power supply; the power control and detection board card can monitor the safety of the power device according to the monitored data of the board card A and the board card B, wherein the safety comprises input voltage under-voltage protection, input voltage over-voltage protection, output voltage over-voltage protection and output voltage under-voltage protection; the power supply control and monitoring board card can monitor the temperature parameters of the board card A and the board card B and transmit the temperature parameters back to the upper computer, and when the temperature of any one of the two board cards is abnormal, the power supply is controlled to stop working; the airborne emergency battery is connected into the power supply device through the ground power supply and the emergency battery input interface and is output in parallel with the electric energy conversion board A; the power supply control and monitoring board card can monitor the discharge current, the charging current and the battery voltage of the emergency battery, and the monitoring result is finally uploaded to the upper computer.
The power supply electric energy distribution board card internally comprises 9 controllable switches, and the input and control signals of each switch are independent.
The power supply control and monitoring board card can receive a control instruction sent by the upper computer to independently control the opening and closing of the 9-way switch, so that the distribution of power supply electric energy is realized; collecting the working state of the switch and feeding back the state information to the upper computer; the power control and monitoring board card can identify the flight state of the unmanned aerial vehicle sent by the upper computer, such as cruise investigation, combat attack, take-off and landing, abnormal return voyage and the like, and automatically configures the switches and the closures of the 9-way switches in the power electric energy distribution board card according to the flight state of the unmanned aerial vehicle, so that the optimization configuration of the unmanned aerial vehicle electric energy and the intellectualization of combat are realized.
The ground power supply device is connected into the power supply device through a ground power supply and an emergency battery input interface and is respectively connected with the electric energy conversion board A and the electric energy conversion board B in parallel for output; a power diode is designed between the electric energy conversion board card A and the electric energy conversion board card B, and after the alternating current input A fails, the emergency battery fails or the electric energy conversion board card A fails, the electric energy conversion board card B can supply power to electric equipment of the electric energy conversion board card A in a single direction through the power diode.
Four cooling fans are arranged in the power supply device, the cooling fans adopt a blowing working mode, and the air channel passes through the power supply device electric energy conversion board A, the electric energy conversion board B and the cooling strips on the power supply electric energy distribution board, so that the power supply device is guaranteed to have good cooling performance.
An isolation RS422 serial port and a CAN bus communication interface exist in the power control and monitoring board card, so that the functions of single-point digital control and bus control CAN be realized; the power supply control and monitoring board card is reserved with 2 paths of isolation ADC modules, 2 paths of DI modules, two paths of DO modules and 2 paths of PT1000 temperature monitoring modules, and the power supply has certain control and monitoring expandability.
Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the present invention, and those skilled in the art can make variations and modifications of the present invention without departing from the spirit and scope of the present invention by using the methods and technical contents disclosed above.
Claims (9)
1. The utility model provides an unmanned aerial vehicle is with digital power supply unit that has distribution function which characterized in that includes: the emergency power supply system comprises an alternating current input interface (1), a ground power supply and emergency battery input interface (2), a 14V electric energy output interface (3), a bus bar A electric energy output interface (4), a bus bar B electric energy output interface (5), a communication and reserved signal interface (6), a power supply electric energy distribution board card (8), a power supply detection and control board card (9), an electric energy conversion board card A (10) and an electric energy conversion board card B (11); wherein,
the alternating current input interface (1) is respectively connected with the electric energy conversion board card A (10) and the electric energy conversion board card B (11);
the ground power supply and the emergency battery input interface (2) are respectively connected with an electric energy conversion board card A (10) and an electric energy conversion board card B (11);
the 14V electric energy output interface (3) is connected with the power supply electric energy distribution board card (8);
the bus bar A electric energy output interface (4) is connected with the power supply electric energy distribution board card (8);
the bus bar B electric energy output interface (5) is connected with the power supply electric energy distribution board card (8);
the communication and reserved signal interface (6) is connected with the power supply detection and control board card (9);
the power supply electric energy distribution board card (8) is respectively connected with the power supply detection and control board card (9), the electric energy conversion board card A (10) and the electric energy conversion board card B (11);
the power supply detection and control board card (9) is respectively connected with the electric energy conversion board card A (10) and the electric energy conversion board card B (11).
2. The digital power supply device with power distribution function for unmanned aerial vehicle of claim 1, characterized in that: the alternating current input interface (1) is connected with a generator, the bus bar A electric energy output interface (4) is connected with a power supply terminal of electric equipment for the unmanned aerial vehicle emergency platform, and the bus bar B electric energy output interface (5) is connected with a power supply terminal of load equipment of the unmanned aerial vehicle; the 14V electric energy output interface (3) is connected with a power supply terminal of electric equipment of the unmanned aerial vehicle power system; the communication and reserved signal interface (6) is mutually connected with a communication interface of the unmanned aerial vehicle flight control machine; ground power and emergency battery input interface (2) and unmanned aerial vehicle emergency battery interconnect.
3. The digital power supply device with power distribution function for unmanned aerial vehicle according to claim 1, further comprising: a heat radiation fan (7); the heat radiation fan (7) is connected with the power supply detection and control board card (9).
4. The digital power supply device with power distribution function for unmanned aerial vehicle of claim 1, characterized in that: the method comprises the steps that an engine is started, the engine drives a generator to rotate after being started, two paths of mutually independent alternating currents are transmitted to an alternating current input interface (1), an electric energy conversion board card A (10) collects one path of alternating current of the alternating current input interface (1), the alternating current is converted into direct current with fixed values of 28V and 12V, and the direct current passes through a power supply electric energy distribution board card (8) and then is transmitted to unmanned aerial vehicle emergency platform equipment and unmanned aerial vehicle power system equipment through a bus bar A electric energy output interface (4) and a 14V electric energy output interface (3);
the electric energy conversion board card B (11) collects the alternating current of the other path of the alternating current input interface (1), converts the alternating current into 28V direct current, and transmits the electric energy to an electric load through the electric energy output interface (5) of the bus bar B after passing through the power supply electric energy distribution board card (8);
the power supply detection and control board card (9) collects input alternating current voltage, output direct current voltage and current, emergency battery charging and discharging current and board card working temperature fed back by the electric energy conversion board card A (10) and the electric energy conversion board card B (11), sends the input alternating current voltage, the output direct current voltage and current, the emergency battery charging and discharging current and the board card working temperature to the flight control machine through the communication and reserved signal interface (6) and displays the input alternating current voltage, the output direct current voltage and the board card working temperature at the ground control end, and once the phenomena of input overvoltage, input undervoltage, output overvoltage and output undervoltage occur in;
when the working temperature of the power supply is higher than 40 ℃, the power supply detection and control board card (9) starts the cooling fan (7), once the power supply has an overtemperature phenomenon, the power supply sends out an alarm signal, when the alarm is not recovered for a long time, the power supply automatically stops working, and the cooling fan is started again when the temperature is recovered to be normal;
the flight control machine sends a power switch control instruction through the communication and reserved signal interface (6), the power detection and control board (9) receives and calculates control information to control the working state of a switch in the power electric energy distribution board (8), the power electric energy distribution board (8) feeds back the working state condition of the switch to the power detection and control board (9), and finally the power detection and control board is sent to the ground control end through the communication and reserved signal interface (6), so that ground personnel can observe conveniently;
according to the state change of the unmanned aerial vehicle in the flying process, the flight control machine sends state information to the power supply device through the communication and reserved signal interface (6), and the power supply detection and control board card (9) controls the opening and closing state of the switches in the power supply electric energy distribution board card after receiving and resolving the state information so as to realize the optimal distribution of electric energy.
5. The unmanned aerial vehicle of claim 4 has with the digital power supply unit of distribution function, characterized in that: the power supply electric energy distribution board card (8) internally comprises a one-way conduction diode, and when the electric energy conversion board card A (10) breaks down, the electric energy conversion board card B (11) supplies power to the bus bar A through the one-way conduction diode of the power supply electric energy distribution board card (8).
6. The unmanned aerial vehicle of claim 5 has with the digital power supply unit of distribution function, characterized in that: in the ground working mode, a ground power supply is connected with equipment through a ground power supply and an emergency battery input interface (2), the ground power supply and the emergency battery input interface (2) are respectively connected with the outputs of an electric energy conversion board card A (10) and an electric energy conversion board card B (11) in parallel, electric energy is respectively output to a 14V electric energy output interface (3), a bus bar A electric energy output interface (4) and a bus bar B electric energy output interface (5) through a power supply electric energy distribution board card (8), a communication and reserved signal interface (6) is connected with a flight control machine, a power supply detection and control board card (9) controls the working state of a switch in the power supply electric energy distribution board card (8) and feeds the working state of the switch back to the power supply detection and control board card (9) after receiving and resolving a control instruction, the data are transmitted to a flight control machine through a communication and reserved signal interface (6) and finally displayed in a ground operation station;
the power supply detection and control board card (9) monitors 14V output voltage and output current, sends numerical values to the flight control machine through the communication and reserved signal interface (6) and finally displays the numerical values in the ground operation station.
7. The unmanned aerial vehicle of claim 5 has with the digital power supply unit of distribution function, characterized in that: the communication and reservation signal interface (6) receives ADC detection data and PT1000 data and transmits the data to the power supply detection and control board card (9), and the power supply detection and control board card (9) settles the ADC detection data and the PT1000 data and then sends the data to the flight control machine through the communication and reservation signal interface (6) and finally transmits the data to the ground operation station.
8. The digital power supply device with power distribution function for unmanned aerial vehicle of claim 7, characterized in that: the communication and reservation signal interface (6) receives a DO control instruction sent by the flight control machine, and the power supply detection and control board card (9) resolves the DO control instruction, then sends the DO control instruction to the flight control machine through the communication and reservation signal interface (6) and finally transmits the DO control instruction to the ground operation station.
9. The digital power supply device with power distribution function for unmanned aerial vehicle of claim 8, characterized in that: the communication and reservation signal interface (6) receives external DI signal input and transmits the external DI signal input to the power supply detection and control board card (9), and the power supply detection and control board card (9) sends the signals to the flight control machine through the communication and reservation signal interface (6) and displays the signals in the ground operation station after the signals are settled.
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