CN212180946U - Large-current impact discharge arc detection system - Google Patents
Large-current impact discharge arc detection system Download PDFInfo
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- CN212180946U CN212180946U CN202020137693.XU CN202020137693U CN212180946U CN 212180946 U CN212180946 U CN 212180946U CN 202020137693 U CN202020137693 U CN 202020137693U CN 212180946 U CN212180946 U CN 212180946U
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 238000002474 experimental method Methods 0.000 claims abstract description 18
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- 238000004146 energy storage Methods 0.000 claims abstract description 8
- 238000013016 damping Methods 0.000 claims abstract description 6
- 239000013307 optical fiber Substances 0.000 claims abstract description 6
- 239000007789 gas Substances 0.000 claims description 25
- 238000005259 measurement Methods 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
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- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
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- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000010891 electric arc Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 8
- 238000002679 ablation Methods 0.000 abstract description 7
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Abstract
The utility model discloses a heavy current impact discharge arc detection system, which comprises an arc generation module, an electrode module, a trigger module and a detection module; the arc generation module comprises an energy storage capacitor, a charging device, a damping inductor and a load; the electrode module comprises an experiment cavity and two flat electrodes arranged in the experiment cavity; the triggering module is connected with the detection module through an optical fiber and is used for synchronously controlling the arc generation module and the detection module; the detection module comprises an optical camera arranged outside the experiment cavity. The embodiment of the utility model provides a heavy current impact discharge arc detecting system can carry out directly perceivedly and accurately to the ablation effect of discharge electrode under the electric arc of different parameters and detect, the arc current inflation process when acquireing arc discharge, and then obtains the performance influence of different electric arcs to different electrodes.
Description
Technical Field
The utility model relates to a high voltage test technical field especially relates to a heavy current impact discharge arc detecting system.
Background
The electric arc is an expression form of electromagnetic energy release, in the technical field of engineering, a commonly adopted high-power gas discharge switch in devices such as a high-power strong laser pumping source, a pulse strong magnetic field generator, an electric shock explosion shock wave source and the like has the physical essence that instantaneous energy transfer is purposefully realized through controlled electric arcs, electrodes of the switch can generate related thermodynamic ablation problems under the action of large-current impact discharge electric arcs, meanwhile, the mechanical action of impact wave overpressure generated by induction in the electric arc expansion process on the switch can directly cause the cracking of the switch, and the phenomena of switch structure fatigue damage and the like can occur under the long-term and repeated discharge working environment, so that the working stability of equipment is influenced.
In the prior art, the detection system is less researched, and the electric arc detection system in the prior art is complex in structure and single in function, and lacks of detection of ablation of electric arcs on electrodes under different conditions, so that the physicochemical properties of impact discharge electric arcs cannot be accurately obtained, and the performance research of a high-power gas switch under the action of large-current impact is not facilitated.
SUMMERY OF THE UTILITY MODEL
To the above problem, an object of the utility model is to provide a can effectively detect the heavy current impact discharge arc detecting system of the electric arc under the different parameter condition to the influence of different electrode performance.
In order to achieve the above object, the utility model provides a heavy current surge discharge arc detecting system, it includes that electric arc produces module, electrode module, trigger module and detection module.
The arc generation module comprises an energy storage capacitor, a charging device, a damping inductor and a load.
The electrode module comprises an experiment cavity and two flat electrodes arranged in the experiment cavity; the electrode module is used for generating corresponding impact discharge electric arcs between the two flat electrodes according to the trigger signals of the trigger module.
The triggering module is connected with the detection module through an optical fiber and is used for synchronously controlling the arc generation module and the detection module.
The detection module comprises an optical camera arranged outside the experiment cavity.
As an improvement of the scheme, the experiment cavity is provided with a gas inlet and a gas outlet, and the gas inlet is used for filling detection gas; the gas outlet is used for extracting the detection gas.
As a refinement of the above, the detection gas comprises at least one of the following gases: nitrogen, helium, neon, hydrogen, and oxygen.
As an improvement of the scheme, an observation window for observing the discharge phenomenon is arranged on the experiment cavity.
As an improvement of the above scheme, the detection module includes an optical camera disposed outside the experimental cavity, and specifically includes:
the optical camera is arranged at a distance of 50cm from the observation window.
As an improvement of the scheme, the device further comprises a discharge measurement circuit.
As an improvement of the above, the discharge measurement circuit includes a current transformer.
As an improvement of the scheme, the current transformer is connected with an external oscilloscope; the oscilloscope is used for detecting current waveforms.
As an improvement of the scheme, the oscilloscope further comprises an uninterruptible power supply, wherein the uninterruptible power supply is used for independently supplying power to the oscilloscope.
The utility model provides a heavy current impact discharge arc detecting system, has constructed electric arc production module, electrode module, trigger module and the detection module that has specific function, and each module interact cooperates jointly, accomplishes the regulation to the discharge arc parameter through changing electric capacity, charging voltage and load parameter; different discharge electrodes are replaced by changing the electrodes of the electrode module, and meanwhile, the stable detection module is matched, so that the ablation effect of the discharge electrodes under the electric arcs with different parameters is visually detected, the electric arc current expansion process during electric arc discharge is obtained, the performance influence of different electric arcs on different electrodes can be accurately obtained, and important reference evidences are provided for the selection of electrode materials.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for the embodiments will be briefly described below, and obviously, the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a large-current impact discharge arc detection system according to an embodiment of the present invention.
Description of reference numerals:
100. an arc generation module; 200. an electrode module; 300. a triggering module; 400. a detection module; 500. a discharge measurement circuit; 101. an energy storage capacitor; 102. a charging device; 103. a damping inductance; 104. a load; 201. an experiment cavity; 202. a plate electrode; 203. an air inlet/outlet port; 204. an observation window; 301. an optical fiber; 401. an optical camera; 501. a current transformer; 502. an oscilloscope; 503. an uninterruptible power supply.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In describing embodiments of the present invention, it should be noted that the invention may be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In addition, the invention is operational with numerous general purpose or special purpose computing device environments or configurations. For example: personal computers, server computers, hand-held or portable devices, tablet-type devices, multi-processor apparatus, distributed computing environments that include any of the above devices or equipment, and the like. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
An embodiment of the present invention provides a large current impact discharge arc detection system, and is specific, please refer to fig. 1, for an embodiment of the present invention provides a large current impact discharge arc detection system's schematic structural diagram, which includes an arc generation module 100, an electrode module 200, a trigger module 300 and a detection module 400.
The arc generating module includes an energy storage capacitor 101, a charging device 102, a damping inductor 103, and a load 104.
The charging device is used to charge the energy storage capacitor, and the energy stored in the capacitor can be adjusted by changing the charging capacity and the charging voltage. By varying the charging capacity and the charging voltage, the energy stored in the capacitor can be adjusted, and thus the output parameter of the arc current can be varied.
The damping inductance is used to limit the current peak in the discharge loop after the capacitor breaks down due to insulation problems.
Load parameters may be used to vary the discharge current waveform.
The electrode module 200 comprises an experiment cavity 201 and two flat electrodes 202 arranged in the experiment cavity 201; preferably, the experimental cavity in this embodiment is a cylindrical structure. The radius of the two flat plate electrodes is 3cm, the distance between the electrodes can be adjusted to be 0-150 mm, and the electrodes made of different materials can be replaced according to requirements to carry out discharge detection tests.
The electrode module is used for generating corresponding impact discharge electric arcs between the two flat electrodes according to the trigger signals of the trigger module.
The triggering module 300 is connected with the detecting module 400 through an optical fiber 301, and is used for synchronously controlling the arc generating module 100 and the detecting module 400.
The detection module 400 comprises an optical camera 401 arranged outside the laboratory cavity.
The embodiment of the utility model provides a heavy current impact discharge arc detecting system has constructed electric arc production module, electrode module, trigger module and the detection module that has specific function, and each module interact cooperates jointly, accomplishes the regulation to the discharge arc parameter through changing electric capacity, charging voltage and load parameter; different discharge electrodes are replaced by changing the electrodes of the electrode module, and meanwhile, the stable detection module is matched, so that the ablation effect of the discharge electrodes under the electric arcs with different parameters is visually detected, the electric arc current expansion process during electric arc discharge is obtained, the performance influence of different electric arcs on different electrodes can be accurately obtained, and important reference evidences are provided for the selection of electrode materials.
It should be noted that the working principle of the whole high-current impact discharge arc detection system is as follows: the arc generating module provides an arc, specifically, the energy storage capacitor is charged through the charging device, when the capacitor is charged to a preset charging voltage, the triggering module sends a triggering signal, two electrodes in the electrode module are broken down, the energy stored in the energy storage capacitor is released, and an impulse discharge arc is generated between a plate gap between the two electrodes; meanwhile, the triggering module synchronously issues a triggering command to an optical camera outside the experimental cavity through the optical fiber, the optical camera works to accurately record the arc current expansion process during arc discharge, and then the performance influence of different arcs on the electrodes is detected by analyzing and researching the development process of an arc channel and the ablation degree of a large-current impact discharge arc on the electrodes.
Preferably, in the above embodiment, the experiment cavity 201 is provided with a gas inlet and a gas outlet 203, and the gas inlet is used for filling detection gas; the gas outlet is used for extracting the detection gas. The air inlet and the air outlet are arranged on the side surface of the cylindrical experimental cavity.
Preferably, in the above embodiment, the detection gas includes at least one of the following gases: nitrogen, helium, neon, hydrogen, and oxygen.
Preferably, in the above embodiment, the experiment chamber 201 is provided with an observation window 204 for observing the discharge phenomenon.
Preferably, in the above embodiment, the detection module 400 includes an optical camera 401 disposed outside the experiment cavity, specifically:
the optical camera is arranged at a distance of 50cm from the observation window so as to accurately record the development process of the large-current impact discharge arc.
Preferably, in the above embodiment, a discharge measurement circuit 500 is further included for measuring the discharge current at a specific time to facilitate the subsequent longitudinal comparison analysis.
Preferably, in the above embodiment, the discharge measurement circuit includes the current transformer 501, and the circuit is measured by the current transformer 501.
Preferably, in the above embodiment, the current transformer 501 is connected to an external oscilloscope 502; the oscilloscope 502 is used to detect and record the current waveform.
Preferably, in the above embodiment, the data recording device further includes an uninterruptible power supply 203, where the uninterruptible power supply 203 is used to independently supply power to the oscilloscope 502, so as to ensure stable operation of the oscilloscope 502 and ensure accuracy of data recording.
The utility model provides a heavy current impact discharge arc detecting system, has constructed electric arc production module, electrode module, trigger module and the detection module that has specific function, and each module interact cooperates jointly, accomplishes the regulation to the discharge arc parameter through changing electric capacity, charging voltage and load parameter; different discharge electrodes are replaced by changing the electrodes of the electrode module, and meanwhile, the stable detection module is matched, so that the ablation effect of the discharge electrodes under the electric arcs with different parameters is visually detected, the electric arc current expansion process during electric arc discharge is obtained, the performance influence of different electric arcs on different electrodes can be accurately obtained, and important reference evidences are provided for the selection of electrode materials.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (9)
1. A high current surge discharge arc detection system, comprising: the device comprises an arc generation module, an electrode module, a trigger module and a detection module;
the arc generation module comprises an energy storage capacitor, a charging device, a damping inductor and a load;
the electrode module comprises an experiment cavity and two flat electrodes arranged in the experiment cavity; the electrode module is used for generating corresponding impact discharge arcs between the two flat electrodes according to the trigger signals of the trigger module;
the triggering module is connected with the detection module through an optical fiber and is used for synchronously controlling the arc generation module and the detection module;
the detection module comprises an optical camera arranged outside the experiment cavity.
2. The high-current surge discharge arc detection system according to claim 1, wherein the experiment cavity is provided with a gas inlet and a gas outlet, and the gas inlet is used for filling detection gas; the gas outlet is used for extracting the detection gas.
3. The high current surge arc detection system of claim 2, wherein said detection gas comprises at least one of: nitrogen, helium, neon, hydrogen, and oxygen.
4. The system of claim 1, wherein the experimental chamber has an observation window for observing discharge phenomena.
5. The system according to claim 4, wherein the detection module comprises an optical camera disposed outside the experimental chamber, and specifically comprises:
the optical camera is arranged at a distance of 50cm from the observation window.
6. The high current surge arc detection system of claim 1, further comprising a discharge measurement circuit.
7. The high current surge discharge arc detection system of claim 6, wherein said discharge measurement circuit comprises a current transformer.
8. The high current surge discharge arc detection system of claim 7, wherein said current transformer is connected to an external oscilloscope; the oscilloscope is used for detecting current waveforms.
9. The high current surge arc detection system of claim 8, further comprising an uninterruptible power supply for independently powering said oscilloscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137693.XU CN212180946U (en) | 2020-01-20 | 2020-01-20 | Large-current impact discharge arc detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020137693.XU CN212180946U (en) | 2020-01-20 | 2020-01-20 | Large-current impact discharge arc detection system |
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| Publication Number | Publication Date |
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| CN212180946U true CN212180946U (en) | 2020-12-18 |
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| CN202020137693.XU Expired - Fee Related CN212180946U (en) | 2020-01-20 | 2020-01-20 | Large-current impact discharge arc detection system |
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| Country | Link |
|---|---|
| CN (1) | CN212180946U (en) |
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2020
- 2020-01-20 CN CN202020137693.XU patent/CN212180946U/en not_active Expired - Fee Related
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Granted publication date: 20201218 |
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