CN104377062A - Charging switch used for improving output efficiency of impulse voltage generator - Google Patents
Charging switch used for improving output efficiency of impulse voltage generator Download PDFInfo
- Publication number
- CN104377062A CN104377062A CN201410742840.5A CN201410742840A CN104377062A CN 104377062 A CN104377062 A CN 104377062A CN 201410742840 A CN201410742840 A CN 201410742840A CN 104377062 A CN104377062 A CN 104377062A
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- China
- Prior art keywords
- bar
- rotary conductive
- conductive bar
- voltage generator
- impulse voltage
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/26—Interlocking, locking, or latching mechanisms for interlocking two or more switches
- H01H2009/265—Interlocking, locking, or latching mechanisms for interlocking two or more switches with interlocking of more than two switches
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention provides a charging switch used for improving output efficiency of an impulse voltage generator. The charging switch comprises fixing bearings and rotary conducting rods arranged on a power insulating rod at equal intervals. Each fixing bearings is mounted on a support column flange of the charging end at each level of the impulse voltage generator, and is provided with a fixed electrode. If each of contact electrodes is connected with the corresponding fixed electrode, charging voltages at all levels of the impulse voltage generator are equal, and charging nonuniformity of a traditional impulse voltage generator is eliminated; if each contact electrode is disconnected with the corresponding fixed electrode, the impulse voltage generator is disconnected at each level, and energy loss in the discharging process of a charging resistor of the traditional impulse voltage generator is eliminated. Compared with the prior art, the charging switch has the advantages that switching between charging and discharging circuit topology of the impulse voltage generator is realized effectively, and the purpose of outputting efficient long-wave front operation impulse voltage is achieved.
Description
Technical field
The present invention relates to a kind of charge switch, being specifically related to a kind of charge switch for improving impulse voltage generator delivery efficiency.
Background technology
Switching impulse dielectric strength determines the Main Basis of ultra-high/extra-high voltage project of transmitting and converting electricity air gap size.Due to the lifting of transmission line electric pressure and the increase of line length, line loop operation overvoltage wave front time also lengthens gradually, and the switching overvoltage wave front time overwhelming majority as 1000kV extra-high-voltage alternating current engineering is 1000 μ s ~ 2500 μ s.
Impulse voltage generator is the Key experiments device of research air gap dielectric strength, and the operating impulse voltage that existing equipment produces is along with the lengthening of wave front time, and efficiency sharply declines.The inadequate problem of 1500 microsecond above wave front time surge voltage efficiency can not be produced to overcome existing super-huge impulse voltage generator, need to adopt charge switch mechanism, the consumption of energy in charging resistor in surge voltage output procedure, to improve delivery efficiency.
Conventional impact voltage generator is when producing long wave front operation impulse voltage, and the energetic portions that electric capacity stores will, from charging resistor consumption, cause output voltage efficiency not high.In order to improve delivery efficiency, charge switch structure must be adopted to open charging resistor at waveform formation process interrupt.Therefore need to provide a kind of structure simple, folding is reliable, safe and effectively can realize the charge switch of the switching of impulse voltage generator charging and discharging two stage circuit topologys.
Summary of the invention
In order to meet the needs of prior art, the invention provides a kind of charge switch for improving impulse voltage generator delivery efficiency, described charge switch comprises N number of hold-down support, and the N number of rotary conductive bar be set in qually spaced in from the bottom to top on kinetic insulation bar, described rotary conductive bar is all arranged in one plane, and N is at least 20; Described hold-down support is arranged on the pillar flange of described impulse voltage generator every grade charging end, and hold-down support is provided with fixed electrode;
Described kinetic insulation bar rotary conductive bar is bottom connected with electric rotating machine; Described kinetic insulation bar from the bottom to top the 2nd be successively set between described hold-down support and kinetic insulation bar to N number of rotary conductive bar; Away from one end of electric rotating machine in described rotary conductive bar, and be provided with contact electrode away from one end of hold-down support;
Described electric rotating machine if the rotary conductive bar be connected with electric rotating machine drives kinetic insulation bar to move up, is connected with fixed electrode by contact electrode after rotating, and N number of rotary conductive bar forms series arm, realizes path when impulse voltage generator charges; If the rotary conductive bar be connected with electric rotating machine drives kinetic insulation bar to move down, contact electrode and fixed electrode disconnect, and realize open circuit when impulse voltage generator discharges.
Preferably, between the hold-down support on the upside of described kinetic insulation bar rotary conductive bar topmost and kinetic insulation bar, be provided with a guide post, the spacing of described guide post and described rotary conductive bar, and spacing between N number of rotary conductive bar is identical;
Described guide post and rotary conductive bar are arranged in one plane;
Preferably, described hold-down support is provided with fixed electrode, for being connected with the contact electrode of kinetic insulation bar rotary conductive bar topmost when kinetic insulation bar moves up;
Preferably, the top of described kinetic insulation bar is provided with a guide rail; When kinetic insulation bar moves up and moves down, guide post slides in described guide rail;
Preferably, described guide rail is the arc track of insulation;
Preferably, when described contact electrode and fixed electrode disconnect, adjust described electric rotating machine and be rotated counterclockwise 90 °, the rotary conductive bar be connected with electric rotating machine rotates to be vertical position by horizontal level, thus driving kinetic insulation bar to move up, the fixed electrode of the contact electrode of each rotary conductive bar and the rotary conductive bar on the upside of it is connected to form series arm;
Preferably, when described contact electrode is connected with fixed electrode, adjust described transmission electrode and turn clockwise 90 °, the rotary conductive bar be connected with electric rotating machine rotates to be horizontal level by vertical position, thus drive kinetic insulation bar to move down, the fixed electrode of the contact electrode of each rotary conductive bar and the rotary conductive bar on the upside of it disconnects, and realizes open circuit when impulse voltage generator discharges.
Compared with immediate prior art, excellent effect of the present invention is:
1, a kind of charge switch for improving impulse voltage generator delivery efficiency provided by the invention realizes simple, folding is reliable, high voltage, Long travel, more than 20 grades multiple switch gearing foldings can be realized, the switching of impulse voltage generator charging and discharging two stage circuit topologys can be realized safely and effectively, arrive the object exporting efficient long wave front operation impulse voltage;
2, the charging resistor between conventional impact voltage generator two-stage causes charging voltage at different levels inconsistent when charging, and causes charging uneven; When discharging, portion of energy consumes from charging resistor, reduces discharging efficiency.Charge switch provided by the invention can replace charging resistor effect, not changing impulse voltage generator charging voltage at different levels, can cut off branch road again, not consumed energy during electric discharge when charging.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1: in the embodiment of the present invention, a kind of charge switch for improving impulse voltage generator delivery efficiency disconnects schematic diagram;
Fig. 2: in the embodiment of the present invention, a kind of charge switch for improving impulse voltage generator delivery efficiency closes schematic diagram;
Wherein, 1-electric rotating machine; 2-fixed electrode; 3-hold-down support; 4-rotary conductive bar; 5-contact electrode; 6-kinetic insulation bar; 7-guide post; 8-guide rail.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
A kind of charge switch for improving impulse voltage generator delivery efficiency provided by the invention, when impulse voltage generator charges, switch closes, and connects charging resistor, realizes the smooth charging of more than 20 grades circuit units; When impulse voltage generator discharges, disconnect charging resistor, eliminate the consumption of portion of energy from charging resistor of electric capacity storage, improve delivery efficiency.
As illustrated in fig. 1 and 2, in the present embodiment, a kind of charge switch for improving impulse voltage generator delivery efficiency comprises N number of hold-down support 3, and the N number of rotary conductive bar 4 be set in qually spaced in from the bottom to top on kinetic insulation bar, described rotary conductive bar 4 is all arranged in one plane, and N is at least 20; Hold-down support 3 is arranged on the pillar flange of impulse voltage generator every grade charging end, hold-down support 3 is provided with fixed electrode 2;
Kinetic insulation bar 6 rotary conductive bar 4 is bottom connected with electric rotating machine 1, and electric rotating machine 1 and rotary conductive bar 4 insulate, and do not access in the circuit of impulse voltage generator; Kinetic insulation bar 6 from the bottom to top the 2nd be successively set between hold-down support 3 and kinetic insulation bar 6 to N number of rotary conductive bar 4; Away from one end of electric rotating machine 1 in rotary conductive bar 4, and one end away from hold-down support 3 is provided with contact electrode 5.
After electric rotating machine 1 rotates, if the rotary conductive bar 4 be connected with electric rotating machine 1 as shown in Figure 2 drives kinetic insulation bar 6 to move up, be connected with fixed electrode 2 by contact electrode 5, N number of rotary conductive bar 4 forms series arm, with realize impulse voltage generator charging time path to charge; If the rotary conductive bar 4 be connected with electric rotating machine 1 as shown in Figure 1 drives kinetic insulation bar 6 to move down, contact electrode 5 and fixed electrode 2 disconnect, and during to realize impulse voltage generator electric discharge, open circuit is to discharge.
1, guide post
Be provided with a guide post 7 between hold-down support 3 on the upside of kinetic insulation bar 6 rotary conductive bar 4 topmost and kinetic insulation bar 6, the spacing of guide post 7 and rotary conductive bar 4, and spacing between N number of rotary conductive bar 4 is identical; Guide post 7 and rotary conductive bar 4 are arranged in one plane.
Above-mentioned hold-down support 3 is provided with fixed electrode 2, for being connected with the contact electrode 5 of kinetic insulation bar 6 rotary conductive bar 4 topmost when kinetic insulation bar 6 moves up.
The top of kinetic insulation bar 6 is provided with a guide rail 8; When kinetic insulation bar 6 moves up or moves down, guide post 7 slides in guide rail 8, and guide rail is the arc track of insulation.
2, the charge switch course of work:
(1) impulse voltage generator charging, charge switch is closed by being disconnected to;
Electric rotating machine is rotated counterclockwise driven rotary conducting rod when rotating to 90 °, and the contact electrode of rotary conductive boom end touches fixed electrode, and as shown in Figure 2, switch is communicated with.Meanwhile, rotary conductive bar drives kinetic insulation bar to be moved upward, and the action of first order rotary conductive bar is passed to multiple rotary conductive bars above by kinetic insulation bar, realizes switch multistage linking.
Be specially: when now contact electrode 5 and fixed electrode 2 disconnect, adjustment electric rotating machine 1 is rotated counterclockwise 90 °, the rotary conductive bar 4 be connected with electric rotating machine 1 rotates to be vertical position by horizontal level, thus drive kinetic insulation bar 6 to move up, the fixed electrode 2 of the contact electrode 5 of each rotary conductive bar 4 and the rotary conductive bar 4 on the upside of it is connected to form series arm, as shown in Figure 2.
(2) impulse voltage generator electric discharge, charge switch is by being closed into disconnection;
Electric rotating machine turns clockwise driven rotary conducting rod when rotating to 0 °, and the contact electrode of rotary conductive boom end separates with fixed electrode and moves to horizontal level.Kinetic insulation bar moves down under the drive of rotary conductive bar, drives the rotary conductive bar of higher level to rotate simultaneously, and separately, switch multistage linking separately for contact electrode at different levels and fixed electrode.
Be specially: when now contact electrode 5 is connected with fixed electrode 2, adjustment transmission electrode 1 turns clockwise 90 °, the rotary conductive bar 4 be connected with electric rotating machine 1 rotates to be horizontal level by vertical position, thus drive kinetic insulation bar 6 to move down, the fixed electrode 2 of the contact electrode 5 of each rotary conductive bar 4 and the rotary conductive bar 4 on the upside of it disconnects, to realize impulse voltage generator electric discharge.
Finally should be noted that: described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the application's protection.
Claims (7)
1. one kind for improving the charge switch of impulse voltage generator delivery efficiency, it is characterized in that, described charge switch comprises N number of hold-down support, and the N number of rotary conductive bar be set in qually spaced in from the bottom to top on kinetic insulation bar, described rotary conductive bar is all arranged in one plane, and N is at least 20; Described hold-down support is arranged on the pillar flange of described impulse voltage generator every grade charging end, and hold-down support is provided with fixed electrode;
Described kinetic insulation bar rotary conductive bar is bottom connected with electric rotating machine; Described kinetic insulation bar from the bottom to top the 2nd be successively set between described hold-down support and kinetic insulation bar to N number of rotary conductive bar; Away from one end of electric rotating machine in described rotary conductive bar, and be provided with contact electrode away from one end of hold-down support;
Described electric rotating machine if the rotary conductive bar be connected with electric rotating machine drives kinetic insulation bar to move up, is connected with fixed electrode by contact electrode after rotating, and N number of rotary conductive bar forms series arm, realizes path when impulse voltage generator charges; If the rotary conductive bar be connected with electric rotating machine drives kinetic insulation bar to move down, contact electrode and fixed electrode disconnect, and realize open circuit when impulse voltage generator discharges.
2. charge switch as claimed in claim 1, it is characterized in that, a guide post is provided with between hold-down support on the upside of described kinetic insulation bar rotary conductive bar topmost and kinetic insulation bar, the spacing of described guide post and described rotary conductive bar, and spacing between N number of rotary conductive bar is identical;
Described guide post and rotary conductive bar are arranged in one plane.
3. charge switch as claimed in claim 2, is characterized in that, described hold-down support is provided with fixed electrode, for being connected with the contact electrode of kinetic insulation bar rotary conductive bar topmost when kinetic insulation bar moves up.
4. charge switch as claimed in claim 2, it is characterized in that, the top of described kinetic insulation bar is provided with a guide rail; When kinetic insulation bar moves up and moves down, guide post slides in described guide rail.
5. charge switch as claimed in claim 4, is characterized in that, described guide rail is the arc track of insulation.
6. charge switch as claimed in claim 1, it is characterized in that, when described contact electrode and fixed electrode disconnect, adjust described electric rotating machine and be rotated counterclockwise 90 °, the rotary conductive bar be connected with electric rotating machine rotates to be vertical position by horizontal level, thus driving kinetic insulation bar to move up, the fixed electrode of the contact electrode of each rotary conductive bar and the rotary conductive bar on the upside of it is connected to form series arm.
7. charge switch as claimed in claim 1, it is characterized in that, when described contact electrode is connected with fixed electrode, adjust described transmission electrode and turn clockwise 90 °, the rotary conductive bar be connected with electric rotating machine rotates to be horizontal level by vertical position, thus driving kinetic insulation bar to move down, the fixed electrode of the contact electrode of each rotary conductive bar and the rotary conductive bar on the upside of it disconnects, and realizes open circuit when impulse voltage generator discharges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742840.5A CN104377062A (en) | 2014-12-05 | 2014-12-05 | Charging switch used for improving output efficiency of impulse voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410742840.5A CN104377062A (en) | 2014-12-05 | 2014-12-05 | Charging switch used for improving output efficiency of impulse voltage generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104377062A true CN104377062A (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410742840.5A Pending CN104377062A (en) | 2014-12-05 | 2014-12-05 | Charging switch used for improving output efficiency of impulse voltage generator |
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| CN (1) | CN104377062A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154859A (en) * | 2016-08-22 | 2016-11-23 | 合肥若涵信智能工程有限公司 | Internet of things intelligent household switch automatically |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58142711A (en) * | 1982-02-17 | 1983-08-24 | 三菱電機株式会社 | 3-phase load switch |
| CN101478260A (en) * | 2009-01-19 | 2009-07-08 | 国网电力科学研究院 | Charging switch for impulse voltage generator |
| CN102243935A (en) * | 2011-05-03 | 2011-11-16 | 湖北工业大学 | Tension spring isolating switch of surge generator charging resistor |
| CN204230104U (en) * | 2014-12-05 | 2015-03-25 | 国家电网公司 | For improving the charge switch of impulse voltage generator delivery efficiency |
-
2014
- 2014-12-05 CN CN201410742840.5A patent/CN104377062A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58142711A (en) * | 1982-02-17 | 1983-08-24 | 三菱電機株式会社 | 3-phase load switch |
| CN101478260A (en) * | 2009-01-19 | 2009-07-08 | 国网电力科学研究院 | Charging switch for impulse voltage generator |
| CN102243935A (en) * | 2011-05-03 | 2011-11-16 | 湖北工业大学 | Tension spring isolating switch of surge generator charging resistor |
| CN204230104U (en) * | 2014-12-05 | 2015-03-25 | 国家电网公司 | For improving the charge switch of impulse voltage generator delivery efficiency |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106154859A (en) * | 2016-08-22 | 2016-11-23 | 合肥若涵信智能工程有限公司 | Internet of things intelligent household switch automatically |
| CN106154859B (en) * | 2016-08-22 | 2019-07-09 | 合肥若涵信智能工程有限公司 | Internet of things intelligent household automatic switch |
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Application publication date: 20150225 |
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| RJ01 | Rejection of invention patent application after publication |