CN110018376A - A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device and method - Google Patents
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device and method Download PDFInfo
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- CN110018376A CN110018376A CN201910379779.5A CN201910379779A CN110018376A CN 110018376 A CN110018376 A CN 110018376A CN 201910379779 A CN201910379779 A CN 201910379779A CN 110018376 A CN110018376 A CN 110018376A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device and methods, device includes simulation thunder and lightning flow-generator, carbon fibre composite test product case, 3 D electromagnetic field sensor, processor, and simulation thunder and lightning flow-generator is attached to carbon fibre composite test product case for that will simulate lightning current；3 D electromagnetic field sensor is used to measure the electric field data and magnetic field data of current position, and electric field data and magnetic field data are sent to processor after signal condition；Processor is for handling the data received, to obtain the regularity of distribution of carbon fibre composite test product case built-in field.Above-mentioned technical proposal disclosed in the present application, magnetic distribution rule is found out by simulation thunder and lightning flow-generator, 3 D electromagnetic field sensor, processor, in order to be assessed according to shield effectiveness and anti-electromagnetic interference capability of the magnetic distribution rule to the equipment made of carbon fibre composite, and convenient for being improved according to magnetic distribution rule to equipment.
Description
Technical field
The present invention relates to carbon fibre composite the field of test technology, more specifically to a kind of carbon fiber composite
Expect thunder and lightning measurement of electromagnetic environment device and method.
Background technique
Carbon fibre composite because its specific strength is high, specific modulus is high, antifatigue, corrosion-resistant and designability the features such as due to
It is widely applied in fields such as aviation, automobile, military affairs, sport.
With the continuous development of aircraft manufacturing technology, a large amount of carbon fibre composites gradually instead of traditional metal materials,
Its application aboard greatly improves the performance of aircraft, but since the conductivity of carbon fibre composite is smaller, then drops
The low protective capacities to electromagnetic interference, therefore, so that the Aerial Electronic Equipment and its internal electron device closely bound up with aircraft safety
Part is more sensitive to the electromagnetic interference of coupling.Structural resistance voltage is caused to increase when the electric current of direct stroke flows on conductor
And fast-changing electromagnetic field is when being coupled to equipment for voltage and current transient state, it is possible to create additive effect, i.e. thunder and lightning generate
Transient state strong-electromagnetic field and conductor on the lightning current that generates, occur by interconnection line induction or slit effect in the interface of equipment
High voltage and high current cause equipment damage or system dysfunction, therefore, then need to hit carbon fiber composite to thunder and lightning
The electromagnetic field generated when material is measured, to find out its regularity of distribution, consequently facilitating the shield effectiveness and anti-electromagnetism to equipment are dry
The ability of disturbing is assessed, and convenient for improveing to equipment, to improve anti-electromagnetic interference capability.
The electromagnetic field generated when in conclusion how to hit carbon fibre composite to thunder and lightning carries out analogue measurement, to look for
Magnetic distribution rule out, is current those skilled in the art technical problem urgently to be resolved.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device and sides
Method carries out analogue measurement with the electromagnetic field generated when hitting carbon fibre composite to thunder and lightning, to find out magnetic distribution rule
Rule.
To achieve the goals above, the invention provides the following technical scheme:
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device, including simulation thunder and lightning flow-generator, sealing and with
Carbon fibre composite test product case that ground is connected is separately positioned in the carbon fibre composite test product case at different location
3 D electromagnetic field sensor, processor, in which:
The first end of the simulation thunder and lightning flow-generator is connected with the electrode on the carbon fibre composite test product case, the
Two ends are connected to the ground, and pass through the electrode for generating the adjustable simulation lightning current of waveform parameter, and by the simulation lightning current
It is attached on the carbon fibre composite test product case；
The 3 D electromagnetic field sensor, for measuring the electric field data and magnetic field data of current position, and will be described
Electric field data and the magnetic field data are sent to the processor after signal condition；
The processor, for handling the data received, to obtain the carbon fibre composite test product case
The regularity of distribution of built-in field.
Preferably, multiple electrodes are provided on the carbon fibre composite test product case.
Preferably, the 3 D electromagnetic field sensor is arranged in the carbon fibre composite test product case by bracket,
Wherein, the bracket can occur flexible along short transverse.
Preferably, the processor is connected with the simulation thunder and lightning flow-generator.
Preferably, the 3 D electromagnetic field sensor passes through wireless transmission method for the electric field data and the magnetic field number
According to being sent to the processor.
It preferably, further include the electronic equipment chassis being arranged in the carbon fibre composite test product case and setting in institute
State sensing device, voltage measurement element, power supply, load, Hall current sensor, the signal condition electricity in electronic equipment chassis
Road, in which:
The voltage measurement element is connected with the sensing device and the signal conditioning circuit, for measuring the induction
Induced voltage on device；
The sensing device, the power supply, the load, the Hall current sensor and the signal conditioning circuit structure
At circuit, the Hall current sensor is used to measure the induced current on the sensing device；
The signal conditioning circuit, for improving the induced voltage and the induced current, and will be after conditioning
Induced voltage and induced current be sent to the processor.
Preferably, the electronic equipment chassis can be moved in the carbon fibre composite test product case.
Preferably, the top of the electronic equipment chassis can carry out activity.
Preferably, the sensing device is circuit board or different types of cable.
A kind of carbon fibre composite thunder and lightning electromagnetic environment test method, it is multiple based on carbon fiber as described in any one of the above embodiments
Condensation material thunder and lightning measurement of electromagnetic environment device, comprising:
It simulates thunder and lightning flow-generator and generates the adjustable simulation lightning current of waveform parameter, and the simulation lightning current is passed through into carbon
Electrode on fibrous composite test product case is attached on the carbon fibre composite test product case；
The 3 D electromagnetic field sensor measurement being arranged in the carbon fibre composite test product case at different location is current
Electric and magnetic fields at position, and the electric field data and the magnetic field data are sent to processor after signal condition；
The processor handles the data received, to obtain electricity inside the carbon fibre composite test product case
The regularity of distribution in magnetic field.
The present invention provides a kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device and methods, wherein the test
Device include simulate thunder and lightning flow-generator, seal and be connected to the ground carbon fibre composite test product case, be separately positioned on carbon fiber
Tie up 3 D electromagnetic field sensor, the processor in composite material test product case at different location, in which: simulation thunder and lightning flow-generator
First end is connected with the electrode on carbon fibre composite test product case, and second end is connected to the ground, adjustable for generating waveform parameter
Simulation lightning current, and simulation lightning current is attached on carbon fibre composite test product case by electrode；3 D electromagnetic field passes
Sensor, for measuring the electric field data and magnetic field data of current position, and by electric field data and magnetic field data through signal condition
After be sent to processor；Processor, for handling the data received, to obtain in carbon fibre composite test product case
The regularity of distribution of portion's electromagnetic field.
Above-mentioned technical proposal disclosed in the present application, simulation thunder and lightning flow-generator are adjustable by waveform parameter caused by itself
Simulation lightning current is attached on carbon fibre composite test product case by the electrode on carbon fibre composite test product case, and is utilized
The electric field of 3 D electromagnetic field sensor measurement current position in carbon fibre composite test product case at different location is set
Data and magnetic field data, and electric field data and magnetic field data are sent to by place after signal condition by 3 D electromagnetic field sensor
Device is managed, processor is then handled the data received, to obtain point of carbon fibre composite test product case built-in field
Cloth rule, i.e., the electromagnetic field generated when hitting carbon fibre composite test product case to thunder and lightning using simulation thunder and lightning flow-generator carry out
Simulation, and using 3 D electromagnetic field sensor in carbon fibre composite test product case electric field data and magnetic field data survey
Amount, and magnetic distribution rule is found out by processor, consequently facilitating according to magnetic distribution rule to by carbon fiber composite
The shield effectiveness and anti-electromagnetic interference capability of equipment made of expecting are assessed, and are convenient for according to magnetic distribution rule to equipment
It is improved, to improve equipment anti-electromagnetic interference capability.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is that a kind of structure of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention is shown
It is intended to；
Fig. 2 is the simulation thunder and lightning flow-generator provided in an embodiment of the present invention generated signal for simulating lightning current every time
Figure；
Fig. 3 is total schematic diagram of simulation lightning current caused by simulation thunder and lightning flow-generator provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of simulation thunder and lightning flow-generator provided in an embodiment of the present invention；
Fig. 5 is the collected electromagnetic field signal schematic diagram of processor provided in an embodiment of the present invention；
Fig. 6 is a kind of process of carbon fibre composite thunder and lightning electromagnetic environment test method provided in an embodiment of the present invention
Figure.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, it illustrates a kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment provided in an embodiment of the present invention
The structural schematic diagram of device may include the carbon fibre composite test product for simulating thunder and lightning flow-generator 1, sealing and being connected to the ground
Case 2 is separately positioned on 3 D electromagnetic field sensor 3, processor 4 in carbon fibre composite test product case 2 at different location,
In:
Simulation thunder and lightning flow-generator 1 first end be connected with the electrode on carbon fibre composite test product case 2, second end and
Ground is connected, and for generating the adjustable simulation lightning current of waveform parameter, and simulation lightning current is attached to carbon fiber by electrode and is answered
On condensation material test product case 2；
3 D electromagnetic field sensor 3, for measuring the electric field data and magnetic field data of current position, and by electric field data
Processor 4 is sent to after signal condition with magnetic field data；
Processor 4, for handling the data received, to obtain 2 inside electricity of carbon fibre composite test product case
The regularity of distribution in magnetic field.
Carbon fibre composite thunder and lightning measurement of electromagnetic environment device may include that simulation thunder and lightning flow-generator 1, carbon fiber are multiple
Condensation material test product case 2,3 D electromagnetic field sensor 3, processor 4.
Simulation thunder and lightning flow-generator 1 can produce the adjustable simulation lightning current of waveform parameter, wherein simulation lightning current is specific
It can be the simulation lightning current of two fingers number form formula, and waveform parameter mentioned here (can wrap including but not limited to shape
Containing wave front time, half peak time), quantity, peak value.As shown in Figures 2 and 3, Fig. 2 shows simulations provided in an embodiment of the present invention
The generated schematic diagram for simulating lightning current, Fig. 3 show simulation thunder provided in an embodiment of the present invention to thunder and lightning flow-generator every time
Total schematic diagram of simulation lightning current caused by current feedback circuit, by Fig. 2 and Fig. 3 it is found that the simulation each energy of thunder and lightning flow-generator 1
It generating 20 pulse currents (i.e. simulation lightning current), and its good operating stability, good reliability, electromagnetic radiation is few, certainly, simulation
Thunder and lightning flow-generator 1 can also be with the pulse current of other quantity, and can produce the simulation lightning current of other peak values, the application couple
This does not do any restriction.
Referring to fig. 4, it illustrates the structural schematic diagram of simulation thunder and lightning flow-generator provided in an embodiment of the present invention, thunder is simulated
Current feedback circuit 1 may include charhing unit 11, energy-storage units 12, discharge switch 13, waveform formation unit 14, wherein charging
Unit 11 is connected with energy-storage units 12 and waveform formation unit 14 respectively, and energy-storage units 12 are connected with discharge switch 13, and electric discharge is opened
13 are closed to be connected with waveform formation unit 14.Wherein, simulation thunder and lightning flow-generator 1 not only can produce the adjustable simulation of waveform parameter
Lightning current can also show the simulation data such as lightning current and test product residual voltage, in order to observe the operation of simulation thunder and lightning flow-generator 1
Situation, and convenient for determining whether simulation thunder and lightning flow-generator 1 occurs breaking carbon fibre composite examination according to shown content
The problem of product case 2, consequently facilitating the operating condition of thunder and lightning flow-generator 1 is simulated in adjustment in time before going wrong.
In simulation thunder and lightning flow-generator 1, it can make to simulate thunder by changing its internal wave regulating resistor and harmonic inductance
Current feedback circuit 1 generates simulation lightning current of different shapes, can make to simulate lightning current by changing its internal circuit configurations
Generator 1 generates the simulation lightning current of different number (generally can be between 1-20), passes through filling for control energy-storage units 12
Discharge voltage can make it generate the simulation lightning current of different peak values (generally can be between 1kA-10kA).
Carbon fibre composite test product case 2 be then by carbon fibre composite by riveting process (certainly, however it is not limited to this
Technique) it is made, and it is (can be specifically sealed using conducting resinl) being fully sealed, to avoid external electromagnetism
Field has an impact the inside of carbon fibre composite test product case 2, to improve the reliability of test.Wherein, carbon fiber is compound
Material test product case 2 is specifically as follows cube test product case, may be the test product case of other shapes, the application is to carbon certainly
The shape of fibrous composite test product case 2 does not do any restriction.
The surface of carbon fibre composite test product case 2 be fixed with electrode (it is specifically as follows electrode made of copper, certainly,
Can be electrode made of other conductive materials), which is connected with the first end of simulation thunder and lightning flow-generator 1, wherein simulation
The second end and carbon fibre composite test product case 2 of thunder and lightning flow-generator 1 are connected to the ground, so that simulation thunder and lightning flow-generator
1, it can be formed into a loop between carbon fibre composite test product case 2 and ground.It simulates and simulates thunder and lightning caused by thunder and lightning flow-generator 1
Stream can be attached on carbon fibre composite test product case 2 by electrode set on carbon fibre composite test product case 2,
The case where when hitting carbon fibre composite to thunder and lightning, simulates.It should be noted that being produced in simulation thunder and lightning flow-generator 1
Raw simulation lightning current and will simulation lightning current when being attached on carbon fibre composite test product case 2, for the ease of analyzing different moulds
Quasi- influence of the lightning current to carbon fibre composite test product case 2, then can only change one of variable, while controlling other changes
Amount does not change, i.e., is tested and analyzed using control variate method.
3 D electromagnetic field sensor 3 is provided at different location inside carbon fibre composite test product case 2, wherein is
It is recorded convenient for the position to 3 D electromagnetic field sensor 3, then can recorde the seat of each 3 D electromagnetic field sensor 3
Mark, such as: a 3 D electromagnetic field can be placed respectively at 9 different locations in carbon fibre composite test product case 2 and passed
Sensor 3, and the coordinate of this 93 D electromagnetic field sensors 3 is recorded respectively.3 D electromagnetic field sensor 3 can measure space
Transient electromagnetic field, wherein each 3 D electromagnetic field sensor 3 can measure the two signals of electric and magnetic fields simultaneously, and every
One signal be all it is three-dimensional, i.e., 3 D electromagnetic field sensor 3 can measure the electric field component and magnetic on tri- directions X, Y, Z simultaneously
Field component.Therefore, when simulation thunder and lightning flow-generator 1 caused by simulation lightning current be attached to carbon fibre composite test product case 2
When upper, each 3 D electromagnetic field sensor 3 can measure current location (the as position that is presently in of 3 D electromagnetic field sensor 3
Set) at electric field data and magnetic field data, and signal condition can be carried out to the electric field data and magnetic field data that measure, so
Afterwards, can by after signal condition electric field data and magnetic field data be sent to processor 4.Wherein, 3 D electromagnetic field sensor 3 is same
When measurement the two signals of electric and magnetic fields can be to avoid the uncertainty of multiple measurement bring workload and data, it can
Workload is reduced, and the reliability of measurement data can be improved.
Processor 4 includes data acquisition unit and industrial control computer etc., which can be to the data received
It is handled, to obtain the regularity of distribution of 2 built-in field of carbon fibre composite test product case.Wherein, to the data received
Carry out processing to be specifically as follows: difference is (i.e. in the display simulation waveform parameter of lightning current, carbon fibre composite test product case 2
3 position of 3 D electromagnetic field sensor) electric field time domain waveform and magnetic field time domain waveform, carbon fibre composite test product case 2
The electric field frequency-domain waveform and magnetic field frequency-domain waveform of interior difference, specifically may refer to Fig. 5, and it illustrates offers of the embodiment of the present invention
The collected electromagnetic field signal schematic diagram of processor, wherein 1. be simulation lightning current waveform, be 2. magnetic field time domain waveform, 3.
It is electric field time domain waveform, and processor 4 can be by the electric field data (electric field i.e. after signal condition) of each point and magnetic field
Data (magnetic field i.e. after signal condition) are depicted as three-dimensional rainbow figure, to obtain carbon fibre composite test product case 2 not
With the magnetic distribution rule in the case of simulation lightning current wave shape parameter, consequently facilitating according to magnetic distribution rule to by carbon fiber
The shield effectiveness and anti-electromagnetic interference capability of equipment made of dimension composite material are assessed, and convenient for preventing for thunder and lightning indirect effect
Shield provides data and supports.
Above-mentioned technical proposal disclosed in the present application, simulation thunder and lightning flow-generator are adjustable by waveform parameter caused by itself
Simulation lightning current is attached on carbon fibre composite test product case by the electrode on carbon fibre composite test product case, and is utilized
The electric field of 3 D electromagnetic field sensor measurement current position in carbon fibre composite test product case at different location is set
Data and magnetic field data, and electric field data and magnetic field data are sent to by place after signal condition by 3 D electromagnetic field sensor
Device is managed, processor is then handled the data received, to obtain point of carbon fibre composite test product case built-in field
Cloth rule, i.e., the electromagnetic field generated when hitting carbon fibre composite test product case to thunder and lightning using simulation thunder and lightning flow-generator carry out
Simulation, and using 3 D electromagnetic field sensor in carbon fibre composite test product case electric field data and magnetic field data survey
Amount, and magnetic distribution rule is found out by processor, consequently facilitating according to magnetic distribution rule to by carbon fiber composite
The shield effectiveness and anti-electromagnetic interference capability of equipment made of expecting are assessed, and are convenient for according to magnetic distribution rule to equipment
It is improved, to improve equipment anti-electromagnetic interference capability.
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention, carbon fiber composite
Multiple electrodes can be set on material test product case 2.
Multiple electrodes can be set on carbon fibre composite test product case 2, it is different to be simulated by these electrodes
Lightning stroke path, so that electromagnetic fields of the available carbon fibre composite test product case 2 of processor 4 under different lightning stroke paths
The regularity of distribution.
Such as: 5 electrodes can be fixed respectively in the front end face and rear end face of carbon fibre composite test product case 2, with mould
Intend different lightning stroke paths.It is of course also possible to be set according to actual needs in other end faces of carbon fibre composite test product case 2
Electrode is set, and the quantity of electrode can also be adjusted according to actual needs.
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention, 3 D electromagnetic field pass
Sensor 3 is arranged in carbon fibre composite test product case 2 by bracket 5, wherein bracket 5 can occur flexible along short transverse.
3 D electromagnetic field sensor 3 can be arranged in carbon fibre composite test product case 2 by bracket 5, and the branch
Frame 5 is fixed on the bottom of carbon fibre composite test product case 2, to play the role of support to 3 D electromagnetic field sensor 3.
Wherein, bracket 5 can occur flexible along short transverse.When bracket 5 occurs flexible along short transverse, setting is being propped up
3 D electromagnetic field sensor 3 on frame 5 can then move up and down in carbon fibre composite test product case 2, i.e., so that three
The Z coordinate of dimension emf sensor 3 can change, so that 3 D electromagnetic field sensor 3 can be compound to carbon fiber
Different height position measures in material test product case 2, more comprehensively to obtain magnetic distribution rule.
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention, processor 4 can be with
It is connected with simulation thunder and lightning flow-generator 1.
In carbon fibre composite thunder and lightning measurement of electromagnetic environment device, processor 4 can be with simulation thunder and lightning flow-generator 1
It is connected, with by processor 4, remotely the on-off of thunder and lightning flow-generator 1 is simulated in control, consequently facilitating realizing to simulation lightning current hair
The automatic control of raw device 1, and can produce the waveform of bursting of different number convenient for simulating thunder and lightning flow-generator 1.
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention, 3 D electromagnetic field pass
Electric and magnetic fields can be sent to processor 4 by wireless transmission method by sensor 3.
In view of electromagnetic field measurements data are relatively more, waveform comparison is complicated, therefore, in order to avoid being transmitted across as far as possible in signal
The loss of signal is caused in journey, and in order to avoid generating hole, to reduce the error of electromagnetic field measurements, then 3 D electromagnetic field passes
Electric field data and magnetic field data can be sent to processor 4 by wireless transmission methods such as WLANs by sensor 3.
Certainly, 3 D electromagnetic field sensor 3 can also carry out electromagnetic field data by wire transmission modes such as wired optical fiber
Transmission, with guarantee data transmission stability and safety.
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention can also include setting
Set the electronic equipment chassis 6 in carbon fibre composite test product case 2 and the sensing device being arranged in electronic equipment chassis 6,
Voltage measurement element, power supply, load, Hall current sensor, signal conditioning circuit, in which:
Voltage measurement element is connected with sensing device and signal conditioning circuit, for measuring the induced electricity on sensing device
Pressure；
Sensing device, power supply, load, Hall current sensor and signal conditioning circuit constitute circuit, Hall current sensing
Device is used to measure the induced current on sensing device；
Signal conditioning circuit, for improving induced voltage and induced current, and by after conditioning induced voltage and
Induced current is sent to processor 4.
Carbon fibre composite thunder and lightning measurement of electromagnetic environment device can also include being arranged in carbon fibre composite test product
Electronic equipment chassis 6 in case 2, wherein the electronic equipment chassis 6 is mainly used for testing the indirect effect of thunder and lightning, specifically may be used
To be prepared by aluminium alloy or other materials.
Be provided in electronic equipment chassis 6 sensing device, voltage measurement element, power supply, load, Hall current sensor,
Signal conditioning circuit, wherein electronic equipment chassis 6 is mainly used for the shell of equipment electronic device in analog machine, sensing device
Then for the electronic device inside analog machine.When thunder and lightning hits equipment, induced current and induction can be generated on electronic device
Therefore voltage can hit generated induced current by electronic equipment chassis 6 and device on its interior to thunder and lightning
It is measured with induced voltage, to test the indirect effect of thunder and lightning.
In electronic equipment chassis 6, voltage measurement element is connected with sensing device and signal conditioning circuit, wherein voltage
Measuring cell is used to measure the induced voltage on sensing device.Sensing device, power supply (being specifically as follows DC power supply), load,
Hall current sensor and signal conditioning circuit constitute circuit, wherein Hall current sensor is for measuring on sensing device
Induced current.Signal conditioning circuit is then used to receive the induced voltage that voltage measurement element measures and Hall current sensor is surveyed
The induced current measured, and induced voltage and induced current are improved, and by the induced voltage and induced current after conditioning
It is sent to processor 4, in order to which processor 4 can be handled induced voltage and induced current, to get and thunder and lightning
The relevant information of indirect effect.
It should be noted that signal conditioning circuit can be by wireless transmission methods such as WLANs by the sense after conditioning
It answers voltage and induced current to be sent to processor 4, certainly, data can also be carried out by wire transmission modes such as wired optical fiber
Transmission.
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention, electronic equipment chassis
6 can be moved in carbon fibre composite test product case 2.
Electronic equipment chassis 6 can be moved in carbon fibre composite test product case 2, to carbon fibre composite
In test product case 2 at different location caused by the indirect effect of thunder and lightning tested, consequently facilitating obtaining more comprehensive lightning stroke
Information.
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention, electronic equipment chassis
6 top can carry out activity.
The top of electronic equipment chassis 6 can carry out activity, in order to placing sensing device inside it, and convenient for passing through
The movement at top reserves the aperture slots of different in width, consequently facilitating obtain carbon fibre composite test product case 2 in difference
Magnetic distribution rule under aperture slots.
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention, sensing device are electricity
Road plate or different types of cable.
The sensing device being arranged in electronic equipment chassis 6 is specifically as follows circuit board or different types of cable.
When sensing device is different types of cable, it is specifically as follows single-core line, twisted pair and coaxial cable etc..Letter
By the induced voltage after conditioning and after induced current is sent to processor 4, processor 4 can show cable for number conditioning circuit
On induced current time domain waveform, induced voltage time domain waveform, induced current frequency-domain waveform, induced voltage frequency-domain waveform, and will
The induced current of different type cable is linked to be line, to compare the anti-electromagnetic interference capability of different type cable, it can obtain carbon
Magnetic distribution rule of the fibrous composite test product case 2 under different type cable, so that the indirect effect for thunder and lightning is protected
Data are provided to support.
It should be noted that when obtaining the magnetic distribution rule inside carbon fibre composite test product case 2, due to mould
Quasi- lightning current wave shape parameter, lightning stroke path, aperture slots, different types of cable etc. can generate shadow to magnetic distribution rule
It rings, therefore, then for the ease of measuring and analyzing, then can obtain carbon fibre composite test product case 2 using control variate method
Electromagnetism when different simulation lightning current wave shape parameters, different lightning stroke paths, different openings gap, different type cable
Field distribution rule.
The embodiment of the invention also provides a kind of carbon fibre composite thunder and lightning electromagnetic environment test methods, are based on above-mentioned
A kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device, referring to Fig. 6, it illustrates one kind provided in an embodiment of the present invention
The flow chart of carbon fibre composite thunder and lightning electromagnetic environment test method may include:
S11: simulation thunder and lightning flow-generator generates the adjustable simulation lightning current of waveform parameter, and simulation lightning current is passed through carbon
Electrode on fibrous composite test product case is attached on carbon fibre composite test product case.
S12: the 3 D electromagnetic field sensor measurement being arranged in carbon fibre composite test product case at different location is current
Electric field data and magnetic field data at position, and electric field data and magnetic field data are sent to processor after signal condition.
S13: processor handles the data received, to obtain carbon fibre composite test product case built-in field
The regularity of distribution.
Relevant portion in a kind of carbon fibre composite thunder and lightning electromagnetic environment test method provided in an embodiment of the present invention
Illustrate to refer to corresponding part in a kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device provided in an embodiment of the present invention
Detailed description, details are not described herein.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the element that the process, method, article or equipment including a series of elements is intrinsic.?
Do not have in the case where more limiting, the element limited by sentence "including a ...", it is not excluded that including the element
There is also other identical elements in process, method, article or equipment.In addition, above-mentioned technology provided in an embodiment of the present invention
In scheme with correspond to the consistent part of technical solution realization principle and unspecified in the prior art, in order to avoid excessively repeat.
The foregoing description of the disclosed embodiments can be realized those skilled in the art or using the present invention.To this
A variety of modifications of a little embodiments will be apparent for a person skilled in the art, and the general principles defined herein can
Without departing from the spirit or scope of the present invention, to realize in other embodiments.Therefore, the present invention will not be limited
It is formed on the embodiments shown herein, and is to fit to consistent with the principles and novel features disclosed in this article widest
Range.
Claims (10)
1. a kind of carbon fibre composite thunder and lightning measurement of electromagnetic environment device, which is characterized in that including simulation thunder and lightning flow-generator,
Seal and be connected to the ground carbon fibre composite test product case, be separately positioned in the carbon fibre composite test product case it is different
3 D electromagnetic field sensor, processor at position, in which:
It is described simulation thunder and lightning flow-generator first end be connected with the electrode on the carbon fibre composite test product case, second end
It is connected to the ground, is added for generating the adjustable simulation lightning current of waveform parameter, and by the simulation lightning current by the electrode
On the carbon fibre composite test product case；
The 3 D electromagnetic field sensor, for measuring the electric field data and magnetic field data of current position, and by the electric field
Data and the magnetic field data are sent to the processor after signal condition；
The processor, for handling the data received, to obtain inside the carbon fibre composite test product case
The regularity of distribution of electromagnetic field.
2. carbon fibre composite thunder and lightning measurement of electromagnetic environment device according to claim 1, which is characterized in that the carbon
Multiple electrodes are provided on fibrous composite test product case.
3. carbon fibre composite thunder and lightning measurement of electromagnetic environment device according to claim 2, which is characterized in that described three
It ties up emf sensor to be arranged in the carbon fibre composite test product case by bracket, wherein the bracket can be along height
Direction occurs flexible.
4. carbon fibre composite thunder and lightning measurement of electromagnetic environment device according to claim 1, which is characterized in that the place
Reason device is connected with the simulation thunder and lightning flow-generator.
5. carbon fibre composite thunder and lightning measurement of electromagnetic environment device according to claim 1, which is characterized in that described three
It ties up emf sensor and the electric field data and the magnetic field data is sent to by the processor by wireless transmission method.
6. carbon fibre composite thunder and lightning measurement of electromagnetic environment device according to any one of claims 1 to 5, feature exist
In, further include the electronic equipment chassis being arranged in the carbon fibre composite test product case and be arranged in the electronic equipment machine
Sensing device, voltage measurement element, power supply, load, Hall current sensor, signal conditioning circuit in case, in which:
The voltage measurement element is connected with the sensing device and the signal conditioning circuit, for measuring the sensing device
On induced voltage；
The sensing device, the power supply, the load, the Hall current sensor and the signal conditioning circuit are constituted back
Road, the Hall current sensor are used to measure the induced current on the sensing device；
The signal conditioning circuit, for improving the induced voltage and the induced current, and by the sense after conditioning
Voltage and induced current is answered to be sent to the processor.
7. carbon fibre composite thunder and lightning measurement of electromagnetic environment device according to claim 6, which is characterized in that the electricity
Sub- equipment cabinets can be moved in the carbon fibre composite test product case.
8. carbon fibre composite thunder and lightning measurement of electromagnetic environment device according to claim 6, which is characterized in that the electricity
The top of sub- equipment cabinets can carry out activity.
9. carbon fibre composite thunder and lightning measurement of electromagnetic environment device according to claim 7, which is characterized in that the sense
Answering device is circuit board or different types of cable.
10. a kind of carbon fibre composite thunder and lightning electromagnetic environment test method, based on as described in any one of claim 1 to 9
Carbon fibre composite thunder and lightning measurement of electromagnetic environment device characterized by comprising
It simulates thunder and lightning flow-generator and generates the adjustable simulation lightning current of waveform parameter, and the simulation lightning current is passed through into carbon fiber
Electrode on composite material test product case is attached on the carbon fibre composite test product case；
3 D electromagnetic field sensor measurement current location in the carbon fibre composite test product case at different location is set
The electric field data and magnetic field data at place, and the electric field data and the magnetic field data are sent to processing after signal condition
Device；
The processor handles the data received, to obtain the carbon fibre composite test product case built-in field
The regularity of distribution.
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