CN204990928U - High voltage DC and interchange high -pressure discharge experimental apparatus - Google Patents
High voltage DC and interchange high -pressure discharge experimental apparatus Download PDFInfo
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- CN204990928U CN204990928U CN201520632535.0U CN201520632535U CN204990928U CN 204990928 U CN204990928 U CN 204990928U CN 201520632535 U CN201520632535 U CN 201520632535U CN 204990928 U CN204990928 U CN 204990928U
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Abstract
The utility model discloses a high voltage DC and interchange high -pressure discharge experimental apparatus, putting the electric experiment district and exchanging the high pressure and put the electric experiment district including setting up direct current in the box, the direct current is put and is provided with direct current boost circuit, positive pole output, negative pole output and experiment contact in the electric experiment district, the positive pole output links to each other with the inside high voltage DC generating circuit unit positive pole of box, and the negative pole output links to each other with the inside high voltage DC generating circuit unit negative pole of box, is provided with change over switch on the positive pole output, and the change over switch overlap joint carries out the direct current with the negative pole output and puts electric experiment on first experiment is contacted, interchange high -pressure discharge test block is including exchanging output, second experiment contact, and the interchange output links to each other with the inside high pressure generating circuit that exchanges of box, exchanges the output and is provided with change over switch, and the alternating current discharge experiment is realized to the change over switch overlap joint on the contact is tested to the second. The utility model discloses simple to use, safety provide equipment foundations for the exoelectric principle of high voltage and phenomenon research.
Description
Technical field
The utility model relates to a kind of high direct voltage and ac high-voltage discharge test device.
Background technology
Because high pressure electricity experimental facilities is expensive, school is difficult to universal this equipment, and therefore a lot of student often by viewing video recording or can only obtain relevant high pressure electricity practical knowledge in scientific exhibit shop.Owing to directly not making experiment, do not obtain the chance put into practice, student, to high-tension electric discharge phenomena often neither one impression intuitively, makes theory and practice not combine well.
And existing experimental facilities function singleness, experiment danger is comparatively large, controls inconvenient, thus also causes testing equipment to be difficult to promote further, and relevant experiment is also difficult to carry out.
Utility model content
For prior art Problems existing, the purpose of this utility model is to provide a kind of feature richness, simplicity of design, and it is convenient to control, low cost, the high direct voltage that security is high and ac high-voltage discharge test device.
For achieving the above object, a kind of high direct voltage of the utility model and ac high-voltage discharge test device, comprise the controller be arranged in casing, direct-current discharge test block and ac high-voltage discharge test district, wherein:
Be provided with the translucent cover of several insulation in casing, be provided with camera in translucent cover, high direct voltage discharge test, ac high-voltage discharge test are all by camera shooting experiment video recording;
DC voltage booster circuit unit, anode output end, cathode end and experiment contact is provided with in direct-current discharge test block;
Anode output end is connected with the anode of the DC high-voltage circuit unit of box house, cathode end is connected with box house DC high-voltage circuit unit cathodes, anode output end is provided with change-over switch, change-over switch is overlapped on the first experiment contact, carries out high direct voltage discharge test with cathode end;
Ac high-voltage discharge test district comprises ac output end, the second experiment contact, ac output end is connected with the ac high-voltage circuit for generating unit of box house, ac output end is provided with change-over switch, and change-over switch is overlapped on the second experiment contact and realizes ac high-voltage discharge test;
DC high-voltage circuit unit, ac high-voltage circuit for generating unit, change-over switch are all electrically connected with controller, controller controls DC high-voltage circuit unit, ac high-voltage circuit for generating unit exports current value, magnitude of voltage, controller controls the switching action of change-over switch.
Further, described controller controls ac high-voltage circuit for generating unit and exports lightning impulse electric discharge, realizes thunder and lightning waveform.
Further, described camera is connected with the display of outside by wired or wireless, and described camera real-time Transmission experimental image, on display, learns for observation of students.
Further, described camera is also provided with storer, described casing adopts transparent, isolation material to make.
Further, described first experiment contact comprises pulse test contact and electric arc experiment contact, and described change-over switch is overlapped on electric arc experiment contact, carries out the experiment of high direct voltage electric arc with described cathode end; Described change-over switch is overlapped on pulse test contact, realizes direct current high voltage pulses test with described cathode end.
Further, described ac output end comprises interchange output upper end, exchanges output lower end; Described ac high-voltage discharge test district also comprises two carbon membrane tunnels, telescopic antenna formula upper contact, telescopic antenna formula lower contact, two carbon membrane tunnels is respectively arranged with carbon membrane tunnel upper contact and carbon membrane tunnel lower contact; Described second experiment contact comprises telescopic antenna formula upper contact, telescopic antenna formula lower contact, carbon membrane tunnel upper contact and carbon membrane tunnel lower contact.
Further, described interchange exports on upper end and is provided with change-over switch, exchanges to export on lower end to be provided with lower change-over switch, and described change-over switch comprises change-over switch and lower change-over switch.
Further, described upper change-over switch is overlapped on telescopic antenna formula upper contact and realizes communication space electric discharge, and lower change-over switch is overlapped on telescopic antenna formula lower contact and realizes communication space electric discharge, to realize alternating current arc space discharge test.
Further, described upper change-over switch is overlapped on carbon membrane tunnel upper contact and realizes carrying out creeping discharge in carbon membrane tunnel, lower change-over switch is overlapped on upper realization on carbon membrane tunnel lower contact and carries out creeping discharge in carbon membrane tunnel, to realize alternating current arc creeping discharge experiment.
Further, described telescopic antenna formula upper contact and telescopic antenna formula lower contact are set to stretching structure, adjust its length by stretching, and ac high-voltage electric arc runs along two telescopic antennas, to realize adjustment ac high-voltage electric arc running length.
A kind of high direct voltage of the present utility model and ac high-voltage discharge test device, can realize the experiment of multiple effluve, include direct-current arc, artificial lightning, communication space and creeping discharge etc. and various High-Voltage Insulation experiment.This experimental provision cost is low, and function is strong, and experiment is abundant, and experimental phenomena is obvious, uses simple, and comparatively safe, for the principle of high-voltage discharge and phenomenal research provide equipment Foundations.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is DC pulse booster circuit schematic diagram.
Embodiment
Below, with reference to accompanying drawing, the utility model is more fully illustrated, shown in the drawings of exemplary embodiment of the present utility model.But the utility model can be presented as multiple multi-form, and should not be construed as the exemplary embodiment being confined to describe here.But, these embodiments are provided, thus make the utility model comprehensively with complete, and scope of the present utility model is fully conveyed to those of ordinary skill in the art.
For ease of illustrating, here can use such as " on ", the space relative terms such as D score " left side " " right side ", for illustration of the element of shown in figure or the feature relation relative to another element or feature.It should be understood that except the orientation shown in figure, spatial terminology is intended to comprise device different azimuth in use or operation.Such as, if the device in figure is squeezed, be stated as the element being positioned at other elements or feature D score will be positioned at other elements or feature " on ".Therefore, exemplary term D score can comprise upper and lower both orientation.Device can otherwise be located (90-degree rotation or be positioned at other orientation), and space used here illustrates relatively can correspondingly explain.
As shown in Figure 1, a kind of high direct voltage of the present utility model and ac high-voltage discharge test device, comprise the controller (not shown) be arranged in casing 1, direct-current discharge test block 2 and ac high-voltage discharge test district 3, controller controls discharge current value, the magnitude of voltage in direct-current discharge test block 2 and ac high-voltage discharge test district 3, thus Control release intensity.
Wherein, DC voltage booster circuit unit 4, anode output end 5, cathode end 8, pulse test contact 6, electric arc experiment contact 7 is provided with in direct-current discharge test block 2.Anode output end 5 is connected with the anode of the inner DC high-voltage circuit unit of casing 1, and cathode end 8 is connected with the inner DC high-voltage circuit unit cathodes of casing 1.
Anode output end 5 is provided with change-over switch 9, change-over switch 9 can be overlapped on electric arc experiment contact 7, carries out the experiment of high direct voltage electric arc with cathode end 8; Change-over switch 9 can be overlapped on pulse test contact 6, realizes direct current high voltage pulses test with cathode end 8.
Ac high-voltage discharge test district 3 comprises two carbon membrane tunnels 10, exchanges output upper end 11, exchanges output lower end 12, telescopic antenna formula upper contact 13, telescopic antenna formula lower contact 14.Exchange export upper end 11 and exchange output lower end 12 be connected with the ac high-voltage circuit for generating unit of casing 1 inside.Two carbon membrane tunnels 10 are respectively arranged with carbon membrane tunnel upper contact 15 and carbon membrane tunnel lower contact 16.
Exchange to export on upper end 11 and be provided with change-over switch 17, exchange on output lower end 12 and be provided with lower change-over switch 18.Upper change-over switch 17 can be overlapped on telescopic antenna formula upper contact 13 and realize communication space electric discharge, and lower change-over switch 18 can be overlapped on telescopic antenna formula lower contact 14 and realize communication space electric discharge, and it can realize alternating current arc space discharge test.And, upper change-over switch 17 can be overlapped on carbon membrane tunnel upper contact 15 and realize carrying out creeping discharge in carbon membrane tunnel 10, lower change-over switch 18 can be overlapped on upper realization on carbon membrane tunnel lower contact 16 and carry out creeping discharge in carbon membrane tunnel 10, and it can realize alternating current arc creeping discharge experiment.
Controller also can control ac high-voltage circuit for generating unit and export pulsed impulsive discharge, as lightning impulse electric discharge, realizes thunder and lightning waveform.Its ac high-voltage that can be used for exporting according to hookup produces standard thunder and lightning waveform.
Telescopic antenna formula upper contact 13 and telescopic antenna formula lower contact 14 can stretch, and adjust its length, and ac high-voltage electric arc will run along two telescopic antennas, adjust its length, can realize adjustment ac high-voltage electric arc running length.
Each change-over switch also can be controlled by controller, or manually controls.For the ease of observing, casing 1 adopts transparent, isolation material to make, and meanwhile, is provided with the translucent cover 19 of several insulation in casing 1, be provided with camera 20 in translucent cover 19, high direct voltage discharge test, ac high-voltage discharge test all take experiment video recording by camera 20.
Due to the finite volume of experimental provision, be difficult to meet many people and observe simultaneously, by arranging camera 20, camera 20 is connected with the display of outside by wired or wireless, and camera 20 real-time Transmission experimental image, on display, learns for observation of students.Camera 20 is also provided with storer, experimentation can be recorded, for student's reference learning.
As shown in Figure 2, the GND of DC voltage booster circuit unit 4 is connected with cathode end 8, the HV of DC voltage booster circuit unit 4 is connected with pulse test contact 6, what its boosting principle adopted is Marx (Marx's pulse) generator, be connected in parallel by multiple identical electric capacity C, all be connected to being in parallel between end of every two electric capacity C the resistance M2 that a resistance is greater than 2M Ω, between the tail head of every two electric capacity C, all pass through ball discharge gap G connected; The ultimate principle of Marx generator makes electric capacity C charged in parallel, then discharged in series, thus realize the multiplication of voltage.
When institute's making alive is+HV because initial time ball discharge gap G not breakdown, so open circuit.All electric capacity C are connected in parallel on power supply both sides.For each electric capacity C, if be full of electricity, the electric potential difference at its two ends is+HV.After under the voltage effect at+HV, first order ball discharge gap g punctures, as Fig. 2,1. 2. 2 be equivalent to wire connect, the electromotive force transient change 2. located, with 1. identical, namely becomes+HV from 0; 3. be+HV with electric potential difference 2., so 3. locate electromotive force to become+2HV; And then second ball discharge gap g punctures, and 4. locate electromotive force and become+2HV from 0,5. place becomes+3HV the rest may be inferred, through 9 boostings, raises as+9HV, thus achieve the multiplication of voltage in a short period of time at electric discharge terminal FD voltage.And, because the resistance of resistance M2 is very large in figure, is M Ω level, good buffer action can be played, the electromotive force between adjacent spots can not be influenced each other at short notice.
A kind of high direct voltage of the utility model and ac high-voltage discharge test device are with simple circuit and electronic devices and components, just can complete the multiple high-voltage discharge experiment that direct current is relevant with ac high-voltage in an experimental box.By elasticity change-over switch, AC and DC high pressure can be switched in different discharge circuit, under the control of AC and DC High-Voltage Experimentation starting switch, can direct-current arc be realized, artificial lightning, communication space and creeping discharge are tested and various High-Voltage Insulation experiment.
The utility model is based on raising students practical abikty principle, there is feature richness, simplicity of design, it is convenient to control, low cost, security advantages of higher, this experimental provision may be used for the raising that student improves high-voltage discharge knowwhy and ability of engineering practice, for the principle of high-voltage discharge and phenomenal research provide equipment Foundations.
Claims (10)
1. high direct voltage and an ac high-voltage discharge test device, is characterized in that, comprises the controller be arranged in casing, direct-current discharge test block and ac high-voltage discharge test district, wherein:
Be provided with the translucent cover of several insulation in casing, be provided with camera in translucent cover, high direct voltage discharge test, ac high-voltage discharge test are all by camera shooting experiment video recording;
DC voltage booster circuit unit, anode output end, cathode end and experiment contact is provided with in direct-current discharge test block;
Anode output end is connected with the anode of the DC high-voltage circuit unit of box house, cathode end is connected with box house DC high-voltage circuit unit cathodes, anode output end is provided with change-over switch, change-over switch is overlapped on the first experiment contact, carries out high direct voltage discharge test with cathode end;
Ac high-voltage discharge test district comprises ac output end, the second experiment contact, ac output end is connected with the ac high-voltage circuit for generating unit of box house, ac output end is provided with change-over switch, and change-over switch is overlapped on the second experiment contact and realizes ac high-voltage discharge test;
DC high-voltage circuit unit, ac high-voltage circuit for generating unit, change-over switch are all electrically connected with controller, controller controls DC high-voltage circuit unit, ac high-voltage circuit for generating unit exports current value, magnitude of voltage, controller controls the switching action of change-over switch.
2. high direct voltage as claimed in claim 1 and ac high-voltage discharge test device, is characterized in that, described controller controls ac high-voltage circuit for generating unit and exports lightning impulse electric discharge, realizes thunder and lightning waveform.
3. high direct voltage as claimed in claim 1 and ac high-voltage discharge test device, is characterized in that, described camera is connected with the display of outside by wired or wireless, and described camera real-time Transmission experimental image, on display, learns for observation of students.
4. high direct voltage as claimed in claim 1 and ac high-voltage discharge test device, is characterized in that, described camera is also provided with storer, and described casing employing is transparent, isolation material is made.
5. high direct voltage as claimed in claim 1 and ac high-voltage discharge test device, it is characterized in that, described first experiment contact comprises pulse test contact and electric arc experiment contact, and described change-over switch is overlapped on electric arc experiment contact, carries out the experiment of high direct voltage electric arc with described cathode end; Described change-over switch is overlapped on pulse test contact, realizes direct current high voltage pulses test with described cathode end.
6. high direct voltage as claimed in claim 1 and ac high-voltage discharge test device, is characterized in that, described ac output end comprises interchange and exports upper end, exchanges output lower end; Described ac high-voltage discharge test district also comprises two carbon membrane tunnels, telescopic antenna formula upper contact, telescopic antenna formula lower contact, two carbon membrane tunnels is respectively arranged with carbon membrane tunnel upper contact and carbon membrane tunnel lower contact; Described second experiment contact comprises telescopic antenna formula upper contact, telescopic antenna formula lower contact, carbon membrane tunnel upper contact and carbon membrane tunnel lower contact.
7. high direct voltage as claimed in claim 6 and ac high-voltage discharge test device, it is characterized in that, described interchange exports on upper end and is provided with change-over switch, exchanges to export on lower end to be provided with lower change-over switch, and described change-over switch comprises change-over switch and lower change-over switch.
8. high direct voltage as claimed in claim 7 and ac high-voltage discharge test device, it is characterized in that, described upper change-over switch is overlapped on telescopic antenna formula upper contact and realizes communication space electric discharge, described lower change-over switch is overlapped on telescopic antenna formula lower contact and realizes communication space electric discharge, to realize alternating current arc space discharge test.
9. high direct voltage as claimed in claim 7 and ac high-voltage discharge test device, it is characterized in that, described upper change-over switch is overlapped on carbon membrane tunnel upper contact and realizes carrying out creeping discharge in carbon membrane tunnel, described lower change-over switch is overlapped on upper realization on carbon membrane tunnel lower contact and carries out creeping discharge in carbon membrane tunnel, to realize alternating current arc creeping discharge experiment.
10. high direct voltage as claimed in claim 6 and ac high-voltage discharge test device, it is characterized in that, described telescopic antenna formula upper contact and telescopic antenna formula lower contact are set to stretching structure, its length is adjusted by stretching, ac high-voltage electric arc runs along two telescopic antennas, to realize adjustment ac high-voltage electric arc running length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632535.0U CN204990928U (en) | 2015-08-20 | 2015-08-20 | High voltage DC and interchange high -pressure discharge experimental apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632535.0U CN204990928U (en) | 2015-08-20 | 2015-08-20 | High voltage DC and interchange high -pressure discharge experimental apparatus |
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| CN204990928U true CN204990928U (en) | 2016-01-20 |
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| CN201520632535.0U Expired - Fee Related CN204990928U (en) | 2015-08-20 | 2015-08-20 | High voltage DC and interchange high -pressure discharge experimental apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072773A (en) * | 2016-11-17 | 2018-05-25 | 昆山万盛电子有限公司 | The converter switching device and detection device of a kind of electronic component detection equipment |
-
2015
- 2015-08-20 CN CN201520632535.0U patent/CN204990928U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072773A (en) * | 2016-11-17 | 2018-05-25 | 昆山万盛电子有限公司 | The converter switching device and detection device of a kind of electronic component detection equipment |
| CN108072773B (en) * | 2016-11-17 | 2024-01-09 | 昆山万盛电子有限公司 | Converter switching device of electronic element detection equipment and detection equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |