CN206021635U - A kind of energy feedback type aircraft electric load analog - Google Patents
A kind of energy feedback type aircraft electric load analog Download PDFInfo
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- CN206021635U CN206021635U CN201620459813.1U CN201620459813U CN206021635U CN 206021635 U CN206021635 U CN 206021635U CN 201620459813 U CN201620459813 U CN 201620459813U CN 206021635 U CN206021635 U CN 206021635U
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Abstract
This utility model belongs to aircraft electrical system field, more particularly to a kind of energy feedback type aircraft electric load analog including load simulator and combining inverter, and the analog includes：For suitable voltage or electric current are supplied to comprehensive power and by electrical network and the physically-isolated isolating transformer of analog, for providing the comprehensive power of the voltage source of electrical load, being used for the electrical load analog composition for simulating electrical load.This utility model realizes the simulation to aircraft electric load using electrical load analog, on the basis of rising the band load test of the previous experiments such as system, distribution system room demonstration stage on aircraft is completed, the energy circulation regeneration that electric simulation is loaded output, not only energy saving, substantial amounts of heat is not produced, save the space using cooling device, greatly reduce noise pollution, so as to save cost, the development for current jumbo jet and the electric aircraft of future more environmental protection provides technical foundation and Research foundation.
Description
Technical field
This utility model belongs to aircraft electrical system field, more particularly to one kind includes load simulator and combining inverter
Energy feedback type aircraft electric load analog.
Background technology
At present, aircraft electrical fictitious load is a kind of loads for resistance sense, not only adjusts inconvenience, it is difficult to which precise control, load are big
Little and parameter can change with load and the change of ambient temperature, and it is scattered to cause substantial amounts of electric energy to be converted into heat energy
Lose and waste, add the cooling device of needs, not only need unnecessary space, with greater need for extra operation cost, and can be right
Environment produces noise pollution.With wide-bodied aircraft and the propulsion of many electricity aircrafts research, the number of aircraft electric load and species compared with
Conventional airplane has the growth of magnitude.The total power generating capacity of Air Passenger A350 reaches 550kVA, and the total power generating capacity of Boeing B787 is more
It is that and the at present electric simulation load of aircraft is a kind of for resistance sense load, some special equipment Electronic Negative up to 1.45MW
Carry.And this special equipment electronic load versatility is not strong.And electrical load simulation be Aircraft Electrical System early stage design in not
The pith that can lack.Rise system, distribution system etc. on aircraft is required for band to be loaded in the previous experiments room demonstration stage
Row experiment, and not only wasted time and energy using real load in the laboratory demonstration stage, costly, and be often difficult to
's.Replace real load by the electrical load that simulates to carry out proof of algorithm, test related system characteristic functions and be follow-up
Debugging in kind is accumulated experience, and shortens the lead time, reduces R＆D costs.
Utility model content
In order to solve the above problems, the purpose of this utility model is to provide a kind of more new, environmental protection, universal
Simulation electrical load.In the laboratory detailed design phase of aircraft, this energy feedback type aircraft electric load analog can
Various loads are flexibly simulated by program, be simultaneously suitable for DC source and alternating current power supply, and fictitious load can also be inhaled
The electric energy major part feedback grid of receipts, the energy feedback type aircraft electric load analog of saves energy.
The technical solution of the utility model is：A kind of energy feedback type aircraft electric load analog, the analog
Be mainly used in the simulation of various electrical loads on aircraft, for Aircraft Electrical System conceptual phase, the concept phase and
Detailed design simulation stage, analog include：For suitable voltage or electric current are supplied to comprehensive power and by electrical network and mould
Intend the isolating transformer of device physical isolation, for providing the comprehensive power of the voltage source of electrical load, being used for simulating and electrically bear
The electrical load analog composition of load.
Further, the electrical load analog include load simulator, combining inverter, load characteristic controller,
Electric capacity, PWM commutating reactors and chopper；
Wherein：
The load characteristic controller, emulates the various electrical characteristics that simultaneously output model is loaded for real-time Simulation, including
Curtage etc.；The load characteristic controller is connected with the load simulator and combining inverter control；
The load simulator, for the PWM control instructions by receiving the output of load characteristic controller, regulating load mould
Intend device port current characteristic, simulate electrical load, be the actuator of load characteristic controller；The load simulator respectively with
Electric capacity and the connection of PWM commutating reactors；
The combining inverter, for receiving the PWM control instructions of load characteristic controller output, adjusts combining inverter
Port current characteristic so as to which port current can be adapted with electrical network with feedback grid, and the execution machine of load characteristic controller
Structure；
The combining inverter is connected with the secondary of electric capacity and isolating transformer respectively；
The PWM commutating reactors, for realizing the function of filtering；The PWM commutating reactors respectively with load simulation
Device and chopper connection；
The capacitor, for realizing the function of filtering；The capacitor is arranged on the load simulator and grid-connected inverse
Become between device；
The chopper, for controlling the break-make of three-phase circuit, or opens biphase, analog DC power supply as needed；Comprehensive
The general name that power supply is various load power sources on aircraft is closed, also includes electromotor.
Further, the load characteristic controller includes host computer and target machine, the target machine include fpga chip and
Digital signal processor.
Further, the load simulator and combining inverter are constituted by 6 switching tubes.
The beneficial effects of the utility model are：Due to adopting above-mentioned technical proposal, this utility model to pass through load characteristic control
The simulation to aircraft electric load realized by device processed, rises the previous experiments such as system, distribution system room and prove rank on aircraft is completed
On the basis of section band carries test, by the energy circulation regeneration of electric simulation load output.The energy feedback type aircraft electrical
Load simulation method and device, for the various load simulations of aircraft previous experiments demonstration stage, can not only simulate all kinds
Aircraft electric load, and energy saving do not produce substantial amounts of heat, saves the space using cooling device, greatly reduce
Noise pollution, so as to save cost, is that the development of the electric aircraft of current jumbo jet and future more environmental protection is carried
For technical foundation and Research foundation.
Description of the drawings
Fig. 1 is a kind of logic diagram of energy feedback type aircraft electric load analog of this utility model.
In figure：
1. isolating transformer, 2. comprehensive power, 3. electrical load analog, 4. the first chopper, 3-1, load characteristic
Controller, 3-2. load simulators, 3-3. combining inverters, 3-4. choppers, 3-5.PWM commutating reactors, 3-6. electric capacity.
Specific embodiment
The technical solution of the utility model is described further with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of energy feedback type aircraft electric load analog of this utility model, the analog is main
For the simulation of various electrical loads on aircraft, for Aircraft Electrical System conceptual phase, concept phase and in detail
In the design and simulation stage, analog includes：For suitable voltage or electric current are supplied to comprehensive power and electrical load simulation dress
Put, and by the isolating transformer 1 between physical isolation electrical network and analog, for simulating the comprehensive electricity of the voltage of electrical load
Source 2, the electrical load analog 3 for simulating electrical load are constituted；Set between the isolating transformer 1 and comprehensive power 2
There is the first chopper 4.
Electrical load analog 3 includes load characteristic controller 3-1, load simulator 3-2, combining inverter 3-3, disconnected
Road device 3-4,3-5PWM commutating reactor and 3-6 electric capacity；
Wherein：
Load characteristic controller 3-1, for the various electrical characteristics that real-time Simulation emulation output model are loaded, including electricity
Stream or voltage；The load characteristic controller is connected with the load simulator and combining inverter control；
Load simulator 3-2, for the PWM control instructions by receiving the output of load characteristic controller, regulating load mould
Intend device port current characteristic, simulate electrical load, be the actuator of load characteristic controller；The load simulator respectively with
Electric capacity and the connection of PWM commutating reactors；
Combining inverter 3-3, for receiving the PWM control instructions of load characteristic controller output, adjusts combining inverter
Port current characteristic so as to which port current can be adapted with electrical network with feedback grid, and the execution machine of load characteristic controller
Structure, the combining inverter are connected with the secondary of electric capacity and isolating transformer respectively；
PWM commutating reactor 3-5, for realizing the function of filtering；PWM commutating reactors respectively with load simulator and disconnected
Road device connection；
Capacitor 3-6, for realizing the function of filtering；Capacitor is arranged between load simulator and combining inverter；
Chopper 3-4, for controlling the break-make of three-phase circuit, obtains；Comprehensive
Power supply is the general name of various load power sources on aircraft, also includes electromotor.
Load characteristic controller 3-1 includes that host computer and target machine, the target machine include fpga chip and digital signal
Processor；Host computer is by loading the building of simulink models, real time implementation and controlling interface show, target machine mainly by
DSP+FPGA kernels are constituted, and are mainly used in carrying out process computing to the simulink models after host computer real time implementation, by target machine
Result by process computing is that pwm pulse is sent to load simulator.
Load simulator and combining inverter are constituted by 6 switching tubes.
Above one embodiment of the present utility model is described in detail, but the content is only of the present utility model
Preferred embodiment, it is impossible to be considered as limiting practical range of the present utility model.All made according to this utility model application range
Impartial change and improvement etc., still all should belong within patent covering scope of the present utility model.
Claims (4)
1. a kind of energy feedback type aircraft electric load analog, it is characterised in that the analog is mainly used on aircraft
The simulation of various electrical loads, and Aircraft Electrical System conceptual phase, concept phase and detailed design simulation stage；
The analog includes：For suitable voltage or electric current are supplied to comprehensive power electrical network is physically-isolated with analog
Isolating transformer, for providing the comprehensive power of the voltage source of electrical load, being used for the electrical load simulation for simulating electrical load
Device is constituted.
2. energy feedback type aircraft electric load analog according to claim 1, it is characterised in that described electrically negative
Carrying analog includes load simulator, combining inverter, load characteristic controller, electric capacity, PWM commutating reactors and open circuit
Device；
Wherein：
The load characteristic controller, for the various electrical characteristics that real-time Simulation emulation output model are loaded, including electric current
Or voltage etc.；The load characteristic controller is connected with the load simulator and combining inverter control；
The load simulator, for the PWM control instructions by receiving the output of load characteristic controller, regulating load simulator
Port current characteristic, simulates electrical load, is the actuator of load characteristic controller；The load simulator respectively with electric capacity
Connect with PWM commutating reactors；
The combining inverter, for receiving the PWM control instructions of load characteristic controller output, adjusts combining inverter port
Current characteristics so as to which port current can be adapted with electrical network with feedback grid, and the actuator of load characteristic controller；
Described combining inverter one end and electric capacity, the other end are connected with the secondary of isolating transformer；
The PWM commutating reactors, for realizing the function of filtering；The PWM commutating reactors respectively with load simulator and
Chopper connects；
The capacitor, for realizing the function of filtering；The capacitor is arranged on the load simulator and combining inverter
Between；
The chopper, for controlling the break-make of three-phase circuit, or opens biphase, analog DC power supply as needed；Comprehensive electricity
Source is the general name of various load power sources on aircraft, also includes electromotor.
3. energy feedback type aircraft electric load analog according to claim 2, it is characterised in that the load is special
Property controller includes host computer and target machine, and the target machine includes fpga chip and digital signal processor.
4. energy feedback type aircraft electric load analog according to claim 2, it is characterised in that the load mould
Intend device and combining inverter is constituted by 6 switching tubes.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620459813.1U CN206021635U (en) | 2016-05-18 | 2016-05-18 | A kind of energy feedback type aircraft electric load analog |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620459813.1U CN206021635U (en) | 2016-05-18 | 2016-05-18 | A kind of energy feedback type aircraft electric load analog |
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| CN206021635U true CN206021635U (en) | 2017-03-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844993A (en) * | 2016-05-18 | 2016-08-10 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Energy feedback type aircraft electrical load simulation method and device |
| CN108427048A (en) * | 2018-03-07 | 2018-08-21 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of load simulating device |
| CN108449000A (en) * | 2018-04-04 | 2018-08-24 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of aircraft starting-generating system analog architectures and hardware design schematic circuit |
| CN109727507A (en) * | 2018-12-26 | 2019-05-07 | 南京全信光电系统有限公司 | A kind of flight training simulator electrical subsystem |
| CN109856489A (en) * | 2019-03-22 | 2019-06-07 | 中南大学 | A kind of load simulation device and the method for testing DC power-supply system performance |
-
2016
- 2016-05-18 CN CN201620459813.1U patent/CN206021635U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844993A (en) * | 2016-05-18 | 2016-08-10 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Energy feedback type aircraft electrical load simulation method and device |
| CN105844993B (en) * | 2016-05-18 | 2018-02-27 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of energy feedback type aircraft electric load analogy method |
| CN108427048A (en) * | 2018-03-07 | 2018-08-21 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of load simulating device |
| CN108449000A (en) * | 2018-04-04 | 2018-08-24 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of aircraft starting-generating system analog architectures and hardware design schematic circuit |
| CN109727507A (en) * | 2018-12-26 | 2019-05-07 | 南京全信光电系统有限公司 | A kind of flight training simulator electrical subsystem |
| CN109856489A (en) * | 2019-03-22 | 2019-06-07 | 中南大学 | A kind of load simulation device and the method for testing DC power-supply system performance |
| CN109856489B (en) * | 2019-03-22 | 2021-05-25 | 中南大学 | Load simulation device and method for testing performance of direct current power supply system |
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