Aircraft power supply method and device (versions)

FIELD: electricity.

SUBSTANCE: group of inventions is related to above-ground structures for tethered aircraft. The first version of a power supply method for an aircraft with a tether line is characterised by the fact that power supply from the ground is carried out with high voltage of 0.1-10 kV by converting the voltage of the ground power supply source from 12-380 V to 0.1-10 kV and then transmitted through a transmission line with the further conversion of the voltage from 0.1-10 kV to 12-380 V. The second version is characterised by transmission of power from the ground in a resonant way at the high frequency of 1-25 kHz by the conversion of the ground surface in the voltage and frequency from 12-380 V to 0.1-10 kV, 1-25 kHz and transmission through transmission lines with the further conversion of the cable line voltage from 0.1-10 kV up to 12-380 V. Each version of the power supply device is characterised by the usage of the respective voltage converters.

EFFECT: group of inventions is oriented to the increase of the power supply range and altitude.

4 cl, 2 dwg

 

The invention relates to electrical engineering, in particular to a method and apparatus for transmission of electrical energy in air flying machine.

Known lighting balloon on a mobile platform in the form of a fill gas of the shell, in which the suspension is fixed to the light source, with pendant attached to two oppositely disposed flanges adapted to access gas inside the sheath, the balloon through the bottom flange is connected to the stretching, in which stretching is mounted on the console of the mobile platform on which is placed the generator that provides the power supply, allowing external electrical connection; helium manifold and cylinders for helium, the control unit and nutrition safety net for the fixation of the balloon in the wind (RF patent No. 124360, publ. 20.01.2013. Bul. No. 2).

Known glowing balloon containing inflated with gas shell, at least one electrical light source disposed within the shell, a source of electrical power positioned outside the shell, the electrical wires connecting the power source to the light source device sealed electrical input wires inside the sheath (RF patent No. 59994, publ. 10.01.2007. Bul. No. 1). The ball is provided with a conductive nipple, made in the form WTU�Ki of elastic insulating material, equipped with electric conductors arranged in the body of the sleeve.

The closest present invention is a method of power supply tethered balloon and device for its implementation, in which the position of the tethered aerostat "on high" with the loss of ground of the power supply simultaneously with the transition of the supply of avionics electrical equipment powered by an onboard battery to form a control signal which is transmitted to the avionics electrical equipment to switch to a low power mode (patent No. 2449927, publ. 10.05.2012. Bul. No. 13).

In the position of the tethered balloon on the ground ensure the supply of avionics electrical equipment from ground power source, converting the voltage into a DC voltage corresponding to the operating voltage of avionics electrical equipment.

The device has placed on the ground object source of electricity, the unit of protective and switching equipment, the first Converter, the winch is placed on the drum the rope-the cable is placed on said balloon, a second inverter and battery, which is the redundant power supplies of avionics electrical equipment.

The disadvantage of these inventions �is the possibility of transmission of electricity on Board the balloon, located at a small height.

The object of the invention is to increase the range and altitude at which you will need to send power to the aircraft from the Ground.

The technical result of the proposed device is the implementation of land supply on-Board equipment aeronautic apparatus, and battery backup on-Board battery.

The above result is achieved in that in the method of air supply of the aircraft to the holding rope transmission of power energy from the earth is carried out in air flying machine with a high voltage of 0.1...10 kV direct current by converting the voltage of the power source to the ground voltage from 12...380 V to 0.1...10 kV and transfer by transmission lines, with further conversion of 0.1...10 kV to 12...380 V needed to power onboard equipment.

In another embodiment, the method of air supply of the aircraft to the holding rope, power transmission from earth perform a resonance method at a higher frequency 1...25 kHz by converting the voltage of the power source to the ground voltage and frequency with 12...380 V to 0.1...10 kV, 1...25 kHz and transfer by transmission lines, with further conversion of the cable line (0,1��10 kV to 12...380 V, needed to power onboard equipment.

The technical result of the air supply device of an aircraft comprising a tethered aerial aircraft with a retaining wire and a power source, which power source is located on the ground and contains a boost Converter to increase voltage 12...380 V to 0.1...10 kV DC power line or cable, built-in holding the rope, and down Converter on Board air flying machine with output voltage 12...380 V to power the onboard electrical equipment with a charger and a battery pack, wherein the power source with a step-up voltage Converter connected to the power line or cable, a built-in restraint cable that is connected to a buck Converter, mounted on the aircraft to power the onboard electrical equipment and charge the onboard batteries.

In another embodiment, the air supply device of an aircraft comprising a tethered aircraft

the restraint apparatus with wire and a power source, the power source is located on the ground and contains a boost Converter to increase voltage 12...380 V to 0.1...10 kV,1...25 kHz, a power line or cable, combining the functions of the restraint cable, and a buck Converter on Board air flying machine with output voltage 12...380 V to power the onboard electrical equipment with a charger and a battery pack, wherein the power source with a step-up voltage Converter connected to the power line or cable, built-in restraint cable that is connected to a buck Converter, mounted on the aircraft to power the onboard electrical equipment and charge the onboard batteries.

The essence of the invention is illustrated Fig. 1, Fig. 2.

Fig. 1 shows the General scheme of the method and device for air supply of the aircraft with the transmission on separate transmission lines.

Fig. 2 shows the General scheme of the method and device for air supply of the aircraft with the transmission of electricity through transmission lines, built-in holding the rope.

The system of Fig. 1 comprises a tethered aerial aircraft 1 with step-down Converter, ground power source with a step-up voltage Converter 2, the transmission line 3, holding the rope 4, the attachment to the ground 5.

System f�G. 2 contains a tethered aerial aircraft 1 with step-down Converter, ground power source with a step-up voltage Converter 2, holding the rope 4, the attachment to the ground 5, the transmission line, built-in restraint cable 6.

Ground based power source with a step-up voltage Converter 2 is connected to the transmission line 3, which is connected to air aircraft 1 or restraint built into the cable 6, which is attached to the land 5.

The device operates as follows.

From the power source to the ground voltage direct or alternating current is supplied to the step-up voltage Converter 2, which increases the voltage of the power supply voltage or on voltage and frequency, high voltage is received in a separate transmission line 3 or the built-in holding the cable 6 and is fed to air aircraft 1, which has a reverse Converter that reduces the voltage required for operation of the vehicle electrical system and charge the battery.

An example implementation of the method and device of the supply air of the aircraft - as a source of energy on earth can be used battery or the grid. Movieimporter voltage increases the voltage up to 100...10000 AC with high frequency up to 1...50 kHz or 100...10000 DC. Wire transmission lines may be made in the form of "twisted pair, coaxial cable or single cable line, built-in holding the rope. On Board air aircraft installed inverter that converts the high voltage into a low, necessary for the operation of the battery charger the onboard battery and for operation of onboard electrical equipment and motor. When a step-up and step-down converters with high frequency can be used resonant mode transmission over a single-wire transmission lines.

The proposed method and device are used to supply high-altitude air of the aircraft to a height of 20 to 40 km.

1. The method of air supply of the aircraft to the holding rope, characterized in that the transmission of electricity from the earth is carried out in air flying machine with a high voltage of 0.1...10 kV direct current by converting the voltage of the power source to the ground voltage from 12...380 V to 0.1...10 kV and transfer by transmission lines, with further conversion of 0.1...10 kV to 12...380 V needed to power onboard equipment.

2. Method of supply air of the aircraft with UD�rivalship rope, characterized in that the transmission of electricity from the earth perform a resonance method at a higher frequency 1...25 kHz by converting the voltage of the power source to the ground voltage and frequency with 12...380 V to 0.1...10 kV, 1...25 kHz and transfer by transmission lines, with further conversion of the cable line (0,1...10 kV to 12...380 V needed to power onboard equipment.

3. The electrical supply of the air of an aircraft, comprising a tethered aerial aircraft with a retaining wire and a power source located on the ground, characterized in that the power source located on the earth, contains a boost Converter to increase voltage 12...380 V to 0.1...10 kV DC power line or cable, built-in holding the rope, and down Converter on Board air flying machine with output voltage 12...380 V to power the onboard electric equipment with charger and battery pack, in this case, the power supply step-up voltage Converter connected to the power line or cable, built-in restraint cable that is connected to a buck Converter, mounted on the aircraft to power the onboard electrical sarada onboard batteries.

4. The electrical supply of the air of an aircraft, comprising a tethered aerial aircraft with a retaining wire and a power source located on the ground, characterized in that the power source located on the earth, contains a boost Converter to increase voltage 12...380 V to 0.1...10 kV, 1...25 kHz, a power line or cable, combining the functions of the restraint cable, and a buck Converter on Board air flying machine with output voltage 12...380 V to power the onboard electric equipment with charger and battery pack, in this case, the power supply step-up voltage Converter connected to the power line or cable, built-in restraint cable that is connected to a buck Converter, mounted on the aircraft to power the onboard electrical equipment and charge the onboard batteries.



 

Same patents:

FIELD: electricity.

SUBSTANCE: these inventions are related to wireless power transmission. The method and unit is suggested for wireless power transmission through electromagnetic coupling from transmitting device to a set of receiving devices, at that the above method includes stage of calculation, whereat by means of transmitting device the first sum is calculated for preset power levels defined by each receiving device from the above set; when maximum power, which could be transmitted by transmitting device from the above set, is less than the first sum then the next stage is performed, whereat by means of the above transmitting device on the basis of the first sum and a set of criteria the subset of receiving devices from the above set of receiving devices to which the transmitting device transmits power.

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FIELD: electricity.

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FIELD: electricity.

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1 dwg

FIELD: electricity.

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FIELD: electricity.

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FIELD: electricity.

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9 cl, 46 dwg

FIELD: electricity.

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1 dwg

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10 cl, 10 dwg

FIELD: electricity.

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2 dwg

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2 dwg

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EFFECT: improvement of efficiency.

10 cl, 13 dwg

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