CN106875794A - A kind of quick burst of pulses immunity test device of teaching consuming energy - Google Patents
A kind of quick burst of pulses immunity test device of teaching consuming energy Download PDFInfo
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- CN106875794A CN106875794A CN201710198312.1A CN201710198312A CN106875794A CN 106875794 A CN106875794 A CN 106875794A CN 201710198312 A CN201710198312 A CN 201710198312A CN 106875794 A CN106875794 A CN 106875794A
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- 230000036039 immunity Effects 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 16
- 239000002184 metal Substances 0.000 claims abstract description 16
- 238000012549 training Methods 0.000 abstract description 15
- 238000002474 experimental method Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 2
- 230000001052 transient effect Effects 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
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- 229910052737 gold Inorganic materials 0.000 description 1
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- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
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Abstract
The invention discloses a kind of quick burst of pulses immunity test device of teaching consuming energy, transistor including ac rectifier, instruction device and with metal heat sink, the input termination exchange input of the ac rectifier, the output plus terminal of ac rectifier is connected to transistor through instruction device, the output negative terminal of ac rectifier is returned by transistor again, while metal heat sink is connected to the earth.The present invention is for during the teaching experiment of electric fast-pulse group, indicate device and loop that electric fast pulse interference train electric current passes through, simultaneously can be by the brightness power of indicator lamp in instruction device or the size of wave volume, confirm whether the interference protection measure implemented effectively enhances the EFT interference rejection abilities of experimental provision, to reach the experimental teaching training purpose of electromagnetic compatibility technology.
Description
Technical field
The present invention relates to a kind of device, specifically a kind of quick burst of pulses immunity test device of teaching consuming energy.
Background technology
From 1996, after European Union forces to carry out EMC electromagnetic compatibility regulations, the electronic product of listing be required for meeting electromagnetism and
Holding regulation (EMC regulations) could list marketing.China also began to enforce corresponding electromagnetic compatibility regulation in 2000 so that
Current home sale and the electronic product of outlet are required for meeting electromagnetic compatibility laws and regulations requirement.
Electric quick burst of pulses (referred to as " EFT ") immunity test is wherein one of immunity to interference regulation in electromagnetic compatibility regulation
, specific standards are IEC61000-4-4, in order to verify Electrical and Electronic equipment to such as carrying out the various of adaptive switched transient process
The immunity to interference of the transient disturbance of type, such as cut off inductive load, relay contact spring etc..
When enterprise goes to third party's Electromagnetic Compatibility authentication laboratory to carry out the electromagnetic compatibility test checking of product, especially in electricity
When fast-pulse group's immunity to interference is tested, it is impossible to confirm loop and related device that EFT interference electric currents flow through, cannot more confirm rectification
The significant degree of measure.Therefore, engineer just cannot carry out theoretical point from the rectification of actual product with reference to electromagnetic compatibility theory
Analysis and specific quantitative analysis, can only find solution using unlimited number of trial and error method, cause product to be opened in many cases
The stagnation of hair, in addition new product development failure.
And, in electromagnetic compatibility training and teaching, also lack the teaching and training experimental provision that can be used for EFT tests,
Related device and loop that the EFT interference electric currents of injection flow through cannot be shown in teaching Process of experiment, while cannot also judge
The significant degree that the measures to rectify and reform implemented in teaching process improve to immunity to interference so that the training and teaching of current electromagnetic compatibility is stopped
In the aspect of pure theory teaching, it is impossible to provide the guidance and help for more landing to actual product rectification.
The content of the invention
It is an object of the invention to provide a kind of quick burst of pulses immunity test device of teaching consuming energy, to solve the above-mentioned back of the body
The problem proposed in scape technology.
To achieve the above object, the present invention provides following technical scheme：
A kind of quick burst of pulses immunity test device of teaching consuming energy, including ac rectifier, instruction device and band gold
Belong to the transistor of radiator, the input termination exchange input of the ac rectifier, the output plus terminal warp of ac rectifier
Instruction device is connected to transistor, then the output negative terminal of ac rectifier is returned by transistor, while metal heat sink is connected
To greatly.
As further scheme of the invention：The instruction device includes indicator lamp and voice guard.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention is for the teaching experiment in electric fast-pulse group
During, device and loop that electric fast pulse interference train electric current passes through are indicated, while can be by indicator lamp in instruction device
Brightness is strong and weak or size of wave volume, confirm whether the interference protection measure implemented effectively enhances the EFT of experimental provision
Interference rejection ability, to reach the experimental teaching training purpose of electromagnetic compatibility technology.
Brief description of the drawings
Fig. 1 is the structural representation of invention.
Fig. 2 is the EFT immunity test devices of the single phase ac input luminescence display in the embodiment of the present invention 1.
Fig. 3 is the schematic diagram of the embodiment of the present invention 2.
Fig. 4 is the schematic diagram of the embodiment of the present invention 3.
Fig. 5 is the schematic diagram of the embodiment of the present invention 4.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1~5 are referred to, in the embodiment of the present invention, the present invention proposes a kind of quick burst of pulses immunity to interference reality of teaching consuming energy
Experiment device, its operation principle block diagram as shown in figure 1, including ac rectifier -90, instruction device -80 and band metal heat sink -
71 transistor -70, wherein instruction device -80 include indicator lamp -21 and voice guard -22.
In experimental provision proposed by the present invention, the input termination exchange input -91 of ac rectifier -90, AC rectification
The output plus terminal of circuit -90 is connected to transistor -70 through instruction device -80, then by transistor -70 take back ac rectifier -
90 output negative terminal, while metal heat sink -71 is connected to the earth.
The ground connection that experimental provision proposed by the present invention passes through metal heat sink -71, provides one and leads to EFT interference electric currents
Road so that the indicator lamp -21 and voice guard -22 of the inside of instruction device -80 in experimental provision were tested in EFT immunities to interference
Cheng Zhonghui is lit and sends sound.Indicator lamp -21 lights the loop and phase that can clearly illustrate that EFT interference electric currents are flowed through
The device of pass, while the sound size of the brightness of indicator lamp -21 and voice guard -22 can explicitly indicate that electric quick group's arteries and veins
The annoyance level of punching.When measures to rectify and reform are implemented, it is possible to easily by judging brightness and the audible alarm of indicator lamp -21
The sound size of device -22 confirms the significant degree of measures to rectify and reform.
Therefore, a kind of quick burst of pulses immunity test scheme of teaching consuming energy proposed by the present invention and experimental provision, pass through
Indicator lamp -21 is lighted to clearly illustrate the device in loop that electric quick burst of pulses interference electric current flows through and correlation, while logical
The sound size of the brightness and voice guard -22 of crossing indicator lamp -21 can explicitly indicate that the interference journey of electric quick burst of pulses
Degree.When measures to rectify and reform are implemented, can easily by judging the brightness of indicator lamp -21 and the sound of voice guard -22
Size confirms the significant degree of measures to rectify and reform.The blank of operation training in the training and teaching of electromagnetic compatibility is thus compensate for,
The student for being trained can be allowed to propose that experimental provision carries out EFT immunity tests by the present invention, be fully understood from and grasp electricity
Anti-interference theoretical and repairing process in magnetic compatibility.
Embodiment one
According to the theory diagram of the EFT immunity test devices shown in Fig. 1, the present invention proposes embodiment one, specially one
The EFT immunity test devices that single phase ac is input into luminescence display are planted, it is as shown in Figure 2 that it implements circuit diagram.Wherein " exchange is defeated
Enter " it is single-phase input live wire L and zero line N, " ac rectifier " is made up of rectifier bridge B1, resistance R1, electric capacity C1 and inductance L1；
" instruction device " is made up of LED 1 and LED2；" transistor " is an IGCT Q1；" metal heat sink " is one
The radiator HS1 of individual aluminum.
The specific electric connecting mode of embodiment one be live wire L and zero line N be respectively connecting to rectifier bridge B1 exchange input
End；One end is connected to the output cathode of rectifier bridge B1 after resistance R1 and electric capacity C1 parallel connections, and the other end is connected to inductance L1；Luminous two
One end is connected to inductance L1 after pole pipe LED1 and LED2 reverse parallel connection, and the other end is connected to the anode of IGCT Q1；IGCT Q1
Gate pole and negative electrode short circuit after be connected to the output negative pole of rectifier bridge B1；Then IGCT Q1 is then connected to EFT through radiator HS1
The metal plate for connecing the earth of immunity to interference test.
Electric connecting mode shown in Fig. 2, can be apparent from for electric quick burst of pulses interference electric current provides path,
EFT interference electric currents can be by exchange input live wire L/ zero lines N, resistance R1, electric capacity C1, inductance L1, LED 1/
LED2, IGCT Q1 and radiator HS1.The interference electric current of positive polarity and negative polarity in electric quick burst of pulses test can lead to
The just antiparallel LED 1 and LED2 crossed in loop are simultaneously lighted, and can just clearly display electric quick burst of pulses
The loop that interference electric current is flowed through, plays training and teaching effect.Meanwhile, the luminosity of LED 1/LED2 again with electricity
Quick burst of pulses interference electric current size is directly related, and its luminosity can just show jamproof under different measures to rectify and reform
Improvement degree.
Therefore, for electricity, quickly burst of pulses interference electric current provides a path to embodiment proposed by the present invention, using this
The luminous and luminosity of LED 1/LED2 in individual path clearly displays electric quick burst of pulses interference electric current
The loop for flowing through, and jamproof improvement degree under different measures to rectify and reform is shown, can be very good to play training and teaching work
With.
Embodiment two
The present invention proposes that embodiment two is the function that audible alarm is added on the basis of embodiment one, and circuit is embodied
As shown in figure 3, wherein " exchange input " is single-phase input live wire L and zero line N, " ac rectifier " is by rectifier bridge B1, resistance
R1, electric capacity C1 and inductance L1 are constituted；" instruction device " is made up of loudspeaker V1 and LED 1 and LED2；" transistor " is
One IGCT Q1；" metal heat sink " is a radiator HS1 for aluminum.
The specific electric connecting mode of embodiment two be live wire L and zero line N be respectively connecting to rectifier bridge B1 exchange input
End；One end is connected to the output cathode of rectifier bridge B1 after resistance R1 and electric capacity C1 parallel connections, and the other end is connected to inductance L1；Loudspeaker V1
One end is connected to inductance L1, and the other end is connected to the tie point of LED 1 and LED2 reverse parallel connections；Light emitting diode
Tie point one end after LED1 and LED2 reverse parallel connections is connected to loudspeaker V1, and the other end is connected to the anode of IGCT Q1；Brilliant lock
The output negative pole of rectifier bridge B1 is connected to after the gate pole and negative electrode short circuit of pipe Q1；Then IGCT Q1 is reconnected through radiator HS1
To the metal plate for connecing the earth of EFT immunity to interference tests.
Electric connecting mode shown in Fig. 3, can be apparent from for electric quick burst of pulses interference electric current provides path,
EFT interference electric currents can be by exchange input live wire L/ zero lines N, resistance R1, electric capacity C1, inductance L1, loudspeaker V1, light emitting diode
LED1/LED2, IGCT Q1 and radiator HS1.The interference electric current of positive polarity and negative polarity in electric quick burst of pulses test is all
By the just antiparallel LED 1 and LED2 in loop and can light, can just clearly display electric quick
The loop that burst of pulses interference electric current is flowed through, plays training and teaching effect.Meanwhile, the luminosity of LED 1/LED2
Again directly related with electric quick burst of pulses interference electric current size, the size of its luminosity and sound with the sound size of loudspeaker V1
Jamproof improvement degree under different measures to rectify and reform can just be shown.
Therefore, for electricity, quickly burst of pulses interference electric current provides a path to embodiment proposed by the present invention, using this
The sound size of luminous and luminosity and the loudspeaker V1 of LED 1/LED2 in individual path clearly displays electricity
The loop that quick burst of pulses interference electric current is flowed through, and jamproof improvement degree under different measures to rectify and reform is shown, can be very
Good plays training and teaching effect.
Embodiment three
The present invention proposes that embodiment three is to make single phase ac input into three-phase alternating current input on the basis of embodiment one,
Other are identical, and specific implementation circuit is as shown in figure 4, wherein " exchange is input into " is three-phase alternating current input L1/L2/L3, " AC rectification
Circuit " is made up of rectifier bridge B1, resistance R1, electric capacity C1 and inductance L1；" instruction device " is by LED 1 and LED2 groups
Into；" transistor " is an IGCT Q1；" metal heat sink " is a radiator HS1 for aluminum.
The specific electric connecting mode of embodiment three is that three-phase alternating current input L1/L2/L3 is respectively connecting to three-phase commutation bridge
The ac input end of B1；One end is connected to the output cathode of rectifier bridge B1 after resistance R1 and electric capacity C1 parallel connections, and the other end is connected to
Inductance L1；One end is connected to inductance L1 after LED 1 and LED2 reverse parallel connections, and the other end is connected to IGCT Q1's
Anode；The output negative pole of rectifier bridge B1 is connected to after the gate pole and negative electrode short circuit of IGCT Q1；Then IGCT Q1 is through radiator
HS1 is then connected to the metal plate for connecing the earth of EFT immunity to interference tests.
Electric connecting mode shown in Fig. 4, can be apparent from for electric quick burst of pulses interference electric current provides path,
EFT interference electric currents can be by three-phase alternating current input L1/L2/L3, resistance R1, electric capacity C1, inductance L1, LED 1/
LED2, IGCT Q1 and radiator HS1.The interference electric current of positive polarity and negative polarity in electric quick burst of pulses test can lead to
The just antiparallel LED 1 and LED2 crossed in loop are simultaneously lighted, and can just clearly display electric quick burst of pulses
The loop that interference electric current is flowed through, plays training and teaching effect.Meanwhile, the luminosity of LED 1/LED2 again with electricity
Quick burst of pulses interference electric current size is directly related, and its luminosity can just show jamproof under different measures to rectify and reform
Improvement degree.
Therefore, for electricity, quickly burst of pulses interference electric current provides a path to embodiment proposed by the present invention, using this
The luminous and luminosity of LED 1/LED2 in individual path clearly displays electric quick burst of pulses interference electric current
The loop for flowing through, and jamproof improvement degree under different measures to rectify and reform is shown, can be very good to play training and teaching work
With.
Example IV
The present invention proposes that example IV is the function that audible alarm is added on the basis of embodiment three, and circuit is embodied
As shown in figure 5, wherein " exchange input " is three-phase alternating current input L1/L2/L3, " ac rectifier " is by rectifier bridge B1, resistance
R1, electric capacity C1 and inductance L1 are constituted；" instruction device " is made up of loudspeaker V1 and LED 1 and LED2；" transistor " is
One IGCT Q1；" metal heat sink " is a radiator HS1 for aluminum.
The specific electric connecting mode of embodiment three is that three-phase alternating current input L1/L2/L3 is respectively connecting to three-phase commutation bridge
The ac input end of B1；One end is connected to the output cathode of rectifier bridge B1 after resistance R1 and electric capacity C1 parallel connections, and the other end is connected to
Inductance L1；Loudspeaker V1 one end is connected to inductance L1, and the other end is connected to the connection of LED 1 and LED2 reverse parallel connections
End；One end is connected to loudspeaker V1 after LED 1 and LED2 reverse parallel connections, and the other end is connected to the anode of IGCT Q1；
The output negative pole of rectifier bridge B1 is connected to after the gate pole and negative electrode short circuit of IGCT Q1；Then IGCT Q1 through radiator HS1 again
It is connected to the metal plate for connecing the earth of EFT immunity to interference tests.
Electric connecting mode shown in Fig. 5, can be apparent from for electric quick burst of pulses interference electric current provides path,
EFT interference electric currents can be by three-phase alternating current input L1/L2/L3, resistance R1, electric capacity C1, inductance L1, loudspeaker V1, light emitting diode
LED1/LED2, IGCT Q1 and radiator HS1.The interference electric current of positive polarity and negative polarity in electric quick burst of pulses test is all
By the just antiparallel LED 1 and LED2 in loop and can light, can just clearly display electric quick
The loop that burst of pulses interference electric current is flowed through, plays training and teaching effect.Meanwhile, the luminosity of LED 1/LED2
Again directly related with electric quick burst of pulses interference electric current size, the size of its luminosity and sound with the sound size of loudspeaker V1
Jamproof improvement degree under different measures to rectify and reform can just be shown.
Therefore, for electricity, quickly burst of pulses interference electric current provides a path to embodiment proposed by the present invention, using this
The sound size of luminous and luminosity and the loudspeaker V1 of LED 1/LED2 in individual path clearly displays electricity
The loop that quick burst of pulses interference electric current is flowed through, and jamproof improvement degree under different measures to rectify and reform is shown, can be very
Good plays training and teaching effect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (2)
1. a kind of quick burst of pulses immunity test device of teaching consuming energy, including ac rectifier, instruction device and band metal
The transistor of radiator, it is characterised in that the ac rectifier input termination exchange input, ac rectifier it is defeated
Go out anode and be connected to transistor through instruction device, then the output negative terminal of ac rectifier is returned by transistor, while metal dissipates
Hot device is connected to the earth.
2. the quick burst of pulses immunity test device of teaching consuming energy according to claim 1, it is characterised in that the instruction
Device includes indicator lamp and voice guard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710198312.1A CN106875794B (en) | 2017-03-29 | 2017-03-29 | Teaching power consumption fast pulse burst immunity experimental device |
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| CN201710198312.1A CN106875794B (en) | 2017-03-29 | 2017-03-29 | Teaching power consumption fast pulse burst immunity experimental device |
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| CN106875794B CN106875794B (en) | 2023-04-18 |
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| CN106875794B (en) | 2023-04-18 |
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