CN101635110A - High-pressure discharging device and use method thereof - Google Patents
High-pressure discharging device and use method thereof Download PDFInfo
- Publication number
- CN101635110A CN101635110A CN200910034018A CN200910034018A CN101635110A CN 101635110 A CN101635110 A CN 101635110A CN 200910034018 A CN200910034018 A CN 200910034018A CN 200910034018 A CN200910034018 A CN 200910034018A CN 101635110 A CN101635110 A CN 101635110A
- Authority
- CN
- China
- Prior art keywords
- electrodes
- arc
- discharging device
- pressure discharging
- electric arc
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention provides a high-pressure discharging device, comprising a low voltage power supply, two electrode wires, a rotating plate, a base and a power switch, and further comprising an electronic booster, wherein, the low voltage power supply is connected with the electronic booster and is connected onto the two electrodes through wires; the two electrodes are respectively fixed on the two rotating plates which are fixed on a shell of the base; the low voltage power supply and the electronic booster are installed in a cavity of the base; the power switch is fixed on the shell body of the base shell. The invention further provides eight use methods of the high-pressure discharging device.
Description
Technical field:
The present invention relates to a kind of Physical Experiment equipment, particularly a kind of experiment equipment of high-pressure discharging device.
Background technology:
In the life of mankind nowadays, the application of electric energy is ubiquitous.Understand, be familiar with electric energy and associated various phenomenons, become the ABC and the technical ability of modern's indispensability.Yet up to the present, the effluve experiment also is not applied in middle school teaching and promotes.For knowledge such as the phenomenon of high-tension electricity, high-voltage arc, high-voltage breakdown, electric shock and principles, the student often knows little about it, and especially lacks perceptual knowledge.Its essence is and do not have very simple, the practical effluve equipment of a cover.In addition the electronics stepup transformer this be the industrial electrical equipment parts of a maturation, make high-pressure discharging device for invention material base and technical support be provided.
Summary of the invention:
The object of the present invention is to provide a kind of practicality, simple high pressure electric discharge device and using method thereof.For achieving the above object, the present invention is achieved through the following technical solutions: the present invention is connected the low-tension supply that dry cell provides with the electronics stepup transformer, after boosting through an electronics stepup transformer, be connected on two electrodes by lead, and two electrodes are separately fixed at two rotatable flaps, and two flaps are fixed on the casing of base, and dry cell, electronics stepup transformer are contained in the base cavity pocket, and power switch is fixed on the housing of base casing.
Using method:
One, high-tension arc light discharge
Turn left promptly by rotating two flaps that thereby to regulate two electrodes be left electrodes and right electrodes for plate and right-hand rotation plate, make between the two distance about 5 centimetres, opening power can be observed between left electrodes and right electrodes and produces electric arc; Regulate the distance between left electrodes and right electrodes,, can stop to put the arc electrical phenomena when interelectrode distance during greater than certain value.Conclusion: in air, in the certain distance scope, can produce the arc discharge phenomenon between two high-field electrodes.
Two, voltage and put arc distance from relation
The electronics booster voltage is turned down, regulated interelectrode distance, find out the ultimate range that can discharge electric arc, the discovery maximum is put arc distance from less, and the electronics booster voltage is heightened, and regulates interelectrode distance again, find out the ultimate range that can discharge electric arc, it is big from change to find that maximum is put arc distance.Conclusion: the size of distance that can produce arc discharge between electrode is relevant with two pole tensions.
Three, the voltage in the high-voltage electric field distributes
The resistance of two high value is connected on two measuring pen of reometer, measuring pen is placed between two electrodes, move one of them measuring pen, change the distance between two measuring pen, can find that electric current flows through in reometer this moment, the distance between two test pencils is big more, and current value is also big more.Conclusion: between the two high-tension electricity utmost points Electric Field Distribution is arranged, and voltage swing is directly proportional with measuring distance.
Four, the suffered voltage relationship of interelectrode distance and element
Neon bulb is placed between two high-field electrodes, changes interelectrode distance, in the time of can finding that interelectrode distance increases, the brightness deepening of neon bulb.Conclusion: two interelectrode distances are big more, and interelectrode electric field is weak more, and the voltage that is applied on the element is more little.
Five, conductor in the arc discharge and insulator
Two electrodes are drawn back enough distances, metal bar is placed between the two poles of the earth, turn on the power switch, can find that two electrodes can pass through metal discharge, produce arc light at two side clearances; Poly (methyl methacrylate) plate is placed between the two poles of the earth, turns on the power switch, can find that two electrodes can not discharge by poly (methyl methacrylate) plate.Conclusion: metal object is a conductor, can make when being placed between the two high-tension electricity utmost points and put arc distance from shortening; Organic glass is an insulator, and it can be blocked electric current and pass through.
Six, the thickness of insulator high-voltage breakdown and insulator and withstand voltage properties relation
Two interelectrode distances are transferred to less, make two interpolars produce the arc discharge phenomenon; Art post paperboard is stretched into two interpolars, can find that arc light punctures art post paperboard, keep the arc discharge phenomenon; The powered-down switch is observed art post paperboard, and can find has many micropores on the art post paperboard.Conclusion: high-tension electricity can make some insulator puncture, and destroys its insulating property, makes it become conductor.Turn on the power switch, still keep the arc discharge phenomenon more art post paperboards to be placed on two interpolars, can find that electric arc can't puncture many art post paperboards.Conclusion: insulating material is thick more, and its resistance to sparking can be good more.
Seven, the relation of insulator humidity and high voltage performance
Two interelectrode distances are adjusted to the critical value that height presses arc, art post paperboard is put into two interpolars, find that electric arc can not puncture paperboard; Art post paperboard is put between two electrodes once more arc through can have been found wet art post paperboard after with water-soaked.Conclusion: after insulator makes moist, can make its high pressure resistant breakdown performance variation, might be broken down by high-voltage, produce the arc discharge phenomenon.
Eight, the insulating property of oilpaper, paraffin paper
Two art post paperboards are immersed respectively in edible oil, the paraffin, and make its drying, the adjustment of two interelectrode distances just can be punctured the critical value of an art post paperboard, respectively oilpaper, paraffin paper are placed between two electrodes again, find that interelectrode voltage can't puncture oilpaper and paraffin paper.Conclusion: have the space in the fiber of art post paperboard, be broken down by high-voltage easily; Oil is insulator with wax, after with oil or wax the paper intermediate gap being filled up, can improve the high pressure resistant breakdown performance of art post paperboard greatly, so oilpaper or paraffin paper are widely used insulating material.
Nine, to the discharge of liquid
In container, put into tap water, make the two poles of the earth, can find that electrode discharges high-voltage arc on the tap water liquid level near liquid level; With the liquid in the container change make oil or distilled water after, find that electrode can not put arc at oil, distilled water liquid level.Conclusion: the resistance of tap water is little, is easy to generate the arc light electric phenomenon, and the resistance of oil, distilled water is big, is difficult for producing the arc discharge phenomenon.
The present invention can increase the perceptual knowledge of student to relevant knowledge, cultivates the interest of student to scientific experiment, can improve students'experiment ability, observation analysis ability, problem-solving ability, can excite the experimentize enthusiasm of exploration, innovation and creation of student.
Description of drawings:
Fig. 1 is a structure principle chart of the present invention
Fig. 2 is to use the present invention to explore the operation chart that voltage distributes in the high-voltage electric field
Fig. 3 is to use the present invention to explore the operation chart of interelectrode distance and the suffered voltage relationship of element
Fig. 4 is to use the present invention to explore the operation chart of the effect of conductor in the arc discharge
Fig. 5, Fig. 6 use the present invention to explore the operation chart of the relation of the thickness of insulator high-voltage breakdown and insulator and high voltage performance
Fig. 7 is to use the present invention to explore the operation chart of the relation of the humidity of insulator and high voltage performance
Fig. 8 is to use the present invention to explore the operation chart of the insulating property of oilpaper, paraffin paper
Fig. 9 is to use the present invention to explore the operation chart of the discharge of tap water
Embodiment:
The present invention is described in detail below in conjunction with accompanying drawing: the present invention is boosted the low-tension supply 2 that dry cell provides through an electronics stepup transformer 3, be connected on right electrodes 8 and the left electrodes 12 by right lead 7 and left lead 11 respectively, right electrodes 8 is fixed on the right-hand rotation plate 6, right-hand rotation plate 6 is by right screw 5 rotatable being fixed on the casing 1, left electrodes 12 is fixed on the left-hand rotation plate 10, left-hand rotation plate 10 is by left screw 9 rotatable being fixed on the casing 1, low-tension supply 2 electronics stepup transformers 3 are contained in the cavity 14 of base 13, and power switch 4 is fixed on the housing of casing 1 of base 13.
Using method:
One, high-tension arc light discharge
Turn left promptly by rotating two flaps that thereby to regulate two electrodes be left electrodes 12 and right electrodes 8 for plate 10 and right-hand rotation plate 6, make between the two distance about 5 centimetres, turn on the power switch 4, can be observed 8 of left electrodes 12 and right electrodes and produce electric arc; Regulate between left electrodes 12 and right electrodes 8 distance,, can stop to put the arc electrical phenomena when interelectrode distance during greater than certain value.Conclusion: in air, in the certain distance scope, can produce the arc discharge phenomenon between two high-field electrodes.
Two, voltage and put arc distance from relation
Three, the voltage in the high-voltage electric field distributes
Resistance R with two high value
115, R
216 are connected on two measuring pen of reometer, and measuring pen is placed between two electrodes, move one of them measuring pen, change the distance between two measuring pen, can find that at this moment electric current flows through in the reometer, and the distance between two test pencils is big more, and current value is also big more.Conclusion: between the two high-tension electricity utmost points Electric Field Distribution is arranged, and voltage swing is directly proportional with measuring distance.
Four, the suffered voltage relationship of interelectrode distance and element
Neon bulb 17 is placed between two high-field electrodes, changes interelectrode distance, in the time of can finding that interelectrode distance increases, the brightness deepening of neon bulb 17.Conclusion: two interelectrode distances are big more, and interelectrode electric field is weak more, and the voltage that is applied on the element is more little.
Five, conductor in the arc discharge and insulator
Two electrodes are drawn back enough distances, metal bar 18 is placed between the two poles of the earth, turn on the power switch 4, can find that two electrodes can pass through metal discharge, produce arc light at two side clearances; Poly (methyl methacrylate) plate is placed between the two poles of the earth, turns on the power switch 4, can find that two electrodes can not discharge by poly (methyl methacrylate) plate.Conclusion: metal object is a conductor, can make when being placed between the two high-tension electricity utmost points and put arc distance from shortening; Organic glass is an insulator, and it can be blocked electric current and pass through.
Six, the thickness of insulator high-voltage breakdown and insulator and withstand voltage properties relation
Two interelectrode distances are transferred to less, make two interpolars produce the arc discharge phenomenon; Art post paperboard 19 is stretched into two interpolars, can find that arc light punctures art post paperboard 19, keeps the arc discharge phenomenon; Powered-down switch 4 is observed art post paperboard 19, and can find has many micropores on the art post paperboard 19.Conclusion: high-tension electricity can make some insulator puncture, and destroys its insulating property, makes it become conductor.Turn on the power switch 4, still keep the arc discharge phenomenon more art post paperboards 20 to be placed on two interpolars, can find that electric arc can't puncture many art post paperboards 20.Conclusion: insulating material is thick more, and its resistance to sparking can be good more.
Seven, the relation of insulator humidity and high voltage performance
Two interelectrode distances are adjusted to the critical value that height presses arc, art post paperboard 19 is put into two interpolars, find that electric arc can not puncture art post paperboard 19; To put between two electrodes arc through can have been found wet art post paperboard 21 after the art post paperboard 19 usefulness water-soaked once more.Conclusion: after insulator makes moist, can make its high pressure resistant breakdown performance variation, might be broken down by high-voltage, produce the arc discharge phenomenon.
Eight, the insulating property of oilpaper, paraffin paper
Two art post paperboards 19 are immersed respectively in edible oil, the paraffin, and make its drying, the adjustment of two interelectrode distances just can be punctured the critical value of an art post paperboard 19, respectively oilpaper, paraffin paper 22 are placed between two electrodes again, find that interelectrode voltage can't puncture oilpaper and paraffin paper 22.Conclusion: have the space in the fiber of art post paperboard 19, be broken down by high-voltage easily; Oil is insulator with wax, after with oil or wax the paper intermediate gap being filled up, can improve the high pressure resistant breakdown performance of art post paperboard greatly, so oilpaper or paraffin paper 22 are widely used insulating material.
Nine, to the discharge of liquid
In container, put into tap water 23, make the two poles of the earth, can find that electrode discharges high-voltage arc on the tap water liquid level near liquid level; With the liquid in the container change make oil or distilled water after, find that electrode can not put arc at oil, distilled water liquid level.Conclusion: the resistance of tap water is little, is easy to generate the arc light electric phenomenon, and the resistance of oil, distilled water is big, is difficult for producing the arc discharge phenomenon.
Claims (9)
1, a kind of high-pressure discharging device, comprise low-tension supply, two electrode cables, flap, base and power switch, it is characterized in that also comprising an electronics stepup transformer, described low-tension supply and described electronics stepup transformer link, be connected on described two electrodes by lead, and described two electrodes are separately fixed on two rotatable described flaps, described two flaps are fixed on the casing of described base, described low-tension supply, described electronics stepup transformer are installed in the cavity of base, and described power switch is fixed on the housing of described base casing.
2, according to the using method of the described a kind of high-pressure discharging device of claim 1, regulate described two distance between electrodes, open described power switch, observe between described two electrodes and whether produce electric arc, if produce electric arc, enlarge described two interelectrode distances, till stopping to put arc between described two electrodes; If do not produce electric arc, dwindle described two interelectrode distances, till producing electric arc between described two electrodes.
3, according to the using method of the described a kind of high-pressure discharging device of claim 1, described electronics booster voltage is turned down, regulated described interelectrode distance, find out the ultimate range that can discharge electric arc; Described electronics booster voltage is heightened, regulated described interelectrode distance again, find out the ultimate range that can discharge electric arc.
4, according to the using method of the described a kind of high-pressure discharging device of claim 1, with the resistance R of two high value
1, R
2Be connected on two measuring pen of reometer, measuring pen is placed between described two electrodes, move one of them described measuring pen, change the distance between two described measuring pen, observe described reometer electric current registration.
5, according to the using method of the described a kind of high-pressure discharging device of claim 1, a neon bulb is placed between two high-field electrodes, changes described two distance between electrodes, the brightness of observing described neon bulb changes.
6, according to the using method of the described a kind of high-pressure discharging device of claim 1, described two electrodes are drawn back enough distances, a metal bar is placed between described two electrodes, open described power switch, observe described two electrodes and described metal bar two side clearances, can observation produce arc light; One poly (methyl methacrylate) plate is placed on described two interpolars, opens described power switch, observe described two electrodes and described perspex bar two side clearances, can observation produce arc light.
7, according to the using method of the described a kind of high-pressure discharging device of claim 1, described two interelectrode distances are adjusted to the critical value that height presses arc, with between an art post paperboard discharge electrode, observe electric arc and can puncture described art post paperboard; Again described art post paperboard is put between described two electrodes after with water-soaked once more, observed electric arc and can puncture described art post paperboard.
8, according to the using method of the described a kind of high-pressure discharging device of claim 1, two art post paperboards are immersed respectively in edible oil, the paraffin, and make its drying, described two interelectrode distances are adjusted to the critical value that can puncture an art post paperboard, respectively described oilpaper, paraffin paper are placed between described two electrodes again, observe described two interelectrode voltages and can puncture described oilpaper and paraffin paper.
9, according to the using method of the described a kind of high-pressure discharging device of claim 1, in 1 container, put into tap water, make described two electrodes, observe described two electrodes and can discharge high-voltage arc near liquid level; The liquid of described container changed make oil or distilled water, observe described two electrodes and can discharge electric arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910034018A CN101635110A (en) | 2009-08-18 | 2009-08-18 | High-pressure discharging device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910034018A CN101635110A (en) | 2009-08-18 | 2009-08-18 | High-pressure discharging device and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101635110A true CN101635110A (en) | 2010-01-27 |
Family
ID=41594289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910034018A Pending CN101635110A (en) | 2009-08-18 | 2009-08-18 | High-pressure discharging device and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101635110A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104346981A (en) * | 2013-07-24 | 2015-02-11 | 国家电网公司 | Tip discharge showcase |
| CN104537934A (en) * | 2014-11-07 | 2015-04-22 | 国家电网公司 | High-voltage discharge demonstration system and method |
| CN106979744A (en) * | 2017-06-07 | 2017-07-25 | 崔高阳 | Range unit and system |
| CN107421431A (en) * | 2017-06-07 | 2017-12-01 | 崔高阳 | Distance-finding method, device, mode and equipment |
| CN112964964A (en) * | 2021-02-26 | 2021-06-15 | 中国电力科学研究院有限公司 | Power distribution network ground fault arc simulation device and arc treatment equipment verification method |
| CN113933641A (en) * | 2021-12-20 | 2022-01-14 | 国网辽宁省电力有限公司电力科学研究院 | Power distribution network clearance time-varying arc light grounding fault simulation test method |
-
2009
- 2009-08-18 CN CN200910034018A patent/CN101635110A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104346981A (en) * | 2013-07-24 | 2015-02-11 | 国家电网公司 | Tip discharge showcase |
| CN104537934A (en) * | 2014-11-07 | 2015-04-22 | 国家电网公司 | High-voltage discharge demonstration system and method |
| CN106979744A (en) * | 2017-06-07 | 2017-07-25 | 崔高阳 | Range unit and system |
| CN107421431A (en) * | 2017-06-07 | 2017-12-01 | 崔高阳 | Distance-finding method, device, mode and equipment |
| CN112964964A (en) * | 2021-02-26 | 2021-06-15 | 中国电力科学研究院有限公司 | Power distribution network ground fault arc simulation device and arc treatment equipment verification method |
| CN113933641A (en) * | 2021-12-20 | 2022-01-14 | 国网辽宁省电力有限公司电力科学研究院 | Power distribution network clearance time-varying arc light grounding fault simulation test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101635110A (en) | High-pressure discharging device and use method thereof | |
| CN101551436A (en) | Barometric pressure humidity controllable local discharge test device | |
| AR043512A2 (en) | ELECTRICAL ENERGY DEVICES | |
| CN103826379B (en) | Nonequilibrium plasma generation device and particulate powder surface modification treatment system | |
| KR840005559A (en) | Ion box for high energy gamma radiation measurement | |
| Cao et al. | Structural design for DC bushing core based on the material life | |
| CN207249040U (en) | A kind of transformer adjustable clearance discharging model | |
| CN216972013U (en) | Pulse power supply device for preparing graphene | |
| CN208953652U (en) | A kind of model for the fixed suspended discharge defect of Simulated GlS equipment | |
| CN206772393U (en) | A kind of SEA LEVEL VARIATION monitoring device | |
| CN111610414A (en) | Combined type discharging generation device for simulating multiple kinds of discharging in transformer | |
| CN210742431U (en) | Self-stabilizing and pole-spacing-adjustable plate-to-plate breakdown device for laser ranging | |
| CN203775510U (en) | Discharging device for ion generator and ion generator | |
| CN207730883U (en) | A kind of transformer major insulation surface edge flashing discharge test device | |
| CN207992110U (en) | Agarose gel electrophoresis device | |
| KR200195884Y1 (en) | A high voltage discharge equipment for education | |
| CN111720282A (en) | Ionic wind thrust device based on needle-ring-net structure | |
| CN202171635U (en) | Capacitor proof voltage test device | |
| CN110672712A (en) | Atmospheric ion mobility measuring device and method based on cylindrical electrode | |
| CN2374938Y (en) | Delineator for simulating electrostatic field | |
| Xia et al. | DC breakdown properties in large oil gaps with and without pressboard interface | |
| Kiiza et al. | Comparison of phase resolved partial discharge patterns in small test samples, bushing specimen and aged transformer bushing | |
| CN204950293U (en) | Formula of acceleration anion bedding | |
| CN207558267U (en) | A kind of gas discharge device | |
| CN219143018U (en) | Insulation structure of oil pressure resistance tester |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100127 |