CN104465212B - Quick energy-storage type vacuum switch - Google Patents
Quick energy-storage type vacuum switch Download PDFInfo
- Publication number
- CN104465212B CN104465212B CN201410806650.5A CN201410806650A CN104465212B CN 104465212 B CN104465212 B CN 104465212B CN 201410806650 A CN201410806650 A CN 201410806650A CN 104465212 B CN104465212 B CN 104465212B
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- fixed electrode
- moving electrode
- electrode connecting
- combined floodgate
- 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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
-
- 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
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3005—Charging means
- H01H3/3015—Charging means using cam devices
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a quick energy-storage type vacuum switch which comprises an outer shell, a main shielding case, a moving electrode, a fixed electrode, a moving electrode connecting rod, a fixed electrode connecting rod, a corrugated pipe, a switching-on cam and an energy storage operation circuit used for driving the switching-in cam to rotate. The main shielding case, the moving electrode, the fixed electrode and the corrugated pipe are all arranged in the outer shell. The moving electrode and the fixed electrode are connected with the moving electrode connecting rod and the fixed electrode connecting rod which are extended out from the outer shell respectively. The moving electrode and the fixed electrode are close and are both located in a space defined by the main shielding case. The switching-on cam is connected with the moving electrode connecting rod, the energy storage operation circuit drives the switching-on cam to drive the moving electrode connecting rod, and therefore the moving electrode and the fixed electrode are in contact or separated from each other. According to the quick energy-storage type vacuum switch, even under a high-voltage/ultrahigh-voltage power system of 110 kV or higher than 110 kV, the quick enough disconnecting speed of the moving electrode and the fixed electrode can still be guaranteed, and therefore a good insulation effect is achieved.
Description
Technical field
The present invention relates to power switch field, more particularly, to a kind of energy storage type fast vacuum switch.
Background technology
Switchgear is the necessaries in power system, plays the effect closing, cut-offfing circuit, and is widely used in event
The numerous areas such as barrier current limliting, utility power quality control, vacuum circuit breaker, phased switch, and have broad application prospects.
Vacuum switch be contact gap after a kind of arc-extinguishing medium and arc extinguishing dielectric be all fine vacuum power switch
Equipment, have the advantages that small volume, lightweight, be applied to frequent operation, arc extinguishing without maintenance, apply more general in power distribution network
And.For the vacuum circuit breaker using vacuum switch, as 3～10kv, indoor in 50hz three-phase alternating current system is joined for it
Electric installation, is available for industrial and mining establishment, power plant, is used as the protection of electric equipment and control in transformer station.
For high pressure 110kv, generally will not using vacuum as dielectric, but can use lithium
Sulfur gas is as dielectric, this is because under high pressure 110kv and extra-high pressure power system, the disconnection of vacuum switch is fast
Degree is not fast, insulation effect poor it is impossible to reach industrial requirements.
Content of the invention
In view of this, the invention solves the problems that a technical problem be that a kind of energy storage type fast vacuum switch is provided, can
It is ensured that sufficiently fast opening velocity under 110kv and above high pressure/extra-high voltage Force system, imitated with obtaining preferable insulation
Really.
For achieving the above object, the invention provides a kind of energy storage type fast vacuum switch, comprising: shell, main shield cover,
Moving electrode, fixed electrode, moving electrode connecting rod, fixed electrode connecting rod, corrugated tube, combined floodgate cam and be used for driving described combined floodgate cam to turn
Dynamic stored energy operation loop, described main shield cover, moving electrode, fixed electrode and corrugated tube all in described shell, described galvanic electricity
Pole and fixed electrode are connected with the described moving electrode connecting rod stretching out from described shell and fixed electrode connecting rod respectively, described moving electrode with
Described fixed electrode closes on, and is in described main shield cover enclosed space, described combined floodgate cam and described moving electrode connecting rod
Connect, drive combined floodgate cam to drive described moving electrode connecting rod by described stored energy operation loop, so that described moving electrode and institute
State fixed electrode contact or separate.
Further, described stored energy operation loop is carried out as energy-storage travelling wave tube using storage capacitor, and in described energy storage electricity
After the completion of capacity charge, by the IGCT in described stored energy operation loop to separating brake or closing coil electric discharge, to realize described conjunction
The driving of brake cam.
Further, described storage capacitor is electrochemical capacitor.
Further, it is additionally provided with the housing and determines connecting rod radome and bellows shield cover, respectively to described fixed electricity
Pole connecting rod and corrugated tube are shielded.
Based on technique scheme, the energy storage type fast vacuum switch of the present invention adopts energy storage mode as operation circuit
Power supply, ensure that the insulating properties of operation power, realizes bigger operation kinetic energy, and directly drives galvanic electricity using combined floodgate cam
Pole connecting rod, to make moving electrode contact with fixed electrode or to separate, therefore decreases drive mechanism to greatest extent, and then even in
Under 110kv and above high pressure/extra-high voltage Force system, it is still able to ensure sufficiently fast disconnection between moving electrode and fixed electrode
Speed, thus obtain preferable insulation effect.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, also may be used
So that other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the part-structure schematic diagram of energy storage type fast vacuum Switching embodiments of the present invention.
Fig. 2 is the high-level schematic functional block diagram in stored energy operation loop in energy storage type fast vacuum Switching embodiments of the present invention.
Specific embodiment
With reference to the accompanying drawings the present invention is described more fully, the exemplary embodiment of the present invention is wherein described.Under
Face, by with reference to the accompanying drawing in the embodiment of the present invention, is clearly and completely described to the technical scheme in the embodiment of the present invention, shows
So, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the reality in the present invention
Apply example, the every other embodiment that those of ordinary skill in the art are obtained under the premise of not making creative work, all belong to
In the scope of protection of the invention.With reference to figure and embodiment, many descriptions are carried out to technical scheme.
As shown in figure 1, the part-structure schematic diagram for energy storage type fast vacuum Switching embodiments of the present invention.In the present embodiment
In, energy storage type fast vacuum switch includes: shell 1, main shield cover 2, moving electrode 3, fixed electrode 4, moving electrode connecting rod 5, fixed electrode
Connecting rod 6, corrugated tube 7, combined floodgate cam 8 and the stored energy operation loop for driving described combined floodgate cam 8 to rotate.Main shield cover 2,
, all in shell 1, moving electrode 3 and fixed electrode 4 are dynamic with stretch out from shell respectively for moving electrode 3, fixed electrode 4 and corrugated tube 7
Electrode tie rod 5 and fixed electrode connecting rod 6 connect, and moving electrode 3 is closed on fixed electrode 4, and are in main shield cover 2 enclosed space
Interior, combined floodgate cam 8 is connected with moving electrode connecting rod 5.Stored energy operation loop can drive this combined floodgate cam 8 to drive moving electrode connecting rod
5, so that moving electrode 3 is contacted with fixed electrode 4 or separates.
In the present embodiment, directly drive moving electrode connecting rod so that moving electrode is contacted with fixed electrode using combined floodgate cam or divide
From compared to existing moving electrode connecting rod operating mechanism, drive mechanism can be reduced to greatest extent, simplify structural relation, enter
And make between moving electrode and fixed electrode opening velocity very fast (reaching approximately 2ms), even in 110kv and above high pressure/
Under extra-high voltage Force system, also it is still able to ensure sufficiently fast opening velocity, thus obtaining preferable insulation effect.
For effectively connection and the transmission between cam and moving electrode connecting rod of closing a floodgate, can be using being made up of magnetic material
Combined floodgate cam, drives moving electrode connecting rod using magnetic attracting force.This makes it possible to simplify the transmission of dynamic motor connection lever further
Relation, and improve reliability.Another kind of feasible alternative is to be formed with the combined floodgate cam of magnetic material layer using periphery.
The present invention, except simplifying structure on drive mechanism, also to realize bigger further with stored energy operation loop
Operation kinetic energy, Fig. 2 shows a kind of schematic diagram of the function in stored energy operation loop.Wherein, stored energy operation loop adopts energy storage electricity
Hold 60 to carry out as energy-storage travelling wave tube, preferably storage capacitor 60 is electrochemical capacitor, and after storage capacitor 60 charging complete, by storage
IGCT 50 in energy operation circuit discharges to switching winding 30 or closing coil 40, to realize the driving of pairing brake cam 8.This
Sample allows for energy storage type fast vacuum switch and adopts energy storage mode as the power supply of operation circuit, and then ensure that operation power
Insulating properties, realize bigger operation kinetic energy.
In order to realize good shielding propertiess, can also arrange in shell 1 further and determine connecting rod radome 10 and ripple
Tube shield cover 9, shields to fixed electrode connecting rod 6 and corrugated tube 7 respectively.Furthermore it is also possible to correspond to dynamic at the two ends of shell 1
The position of electrode tie rod 5 and fixed electrode connecting rod 6 is respectively provided with radome 11 and radome 12.
Finally it should be noted that: above example is only not intended to limit in order to technical scheme to be described；To the greatest extent
Pipe has been described in detail to the present invention with reference to preferred embodiment, and those of ordinary skill in the art are it is understood that still
The specific embodiment of the present invention can be modified or equivalent is carried out to some technical characteristics；Without deviating from this
The spirit of bright technical scheme, it all should be covered in the middle of the technical scheme scope that the present invention is claimed.
Claims (5)
1. a kind of energy storage type fast vacuum switch is it is characterised in that include: shell, main shield cover, moving electrode, fixed electrode, galvanic electricity
Pole connecting rod, fixed electrode connecting rod, corrugated tube, combined floodgate cam and the stored energy operation loop for driving described combined floodgate cam rotation,
Described main shield cover, moving electrode, fixed electrode and corrugated tube all in described shell, described moving electrode and fixed electrode respectively with from
The described moving electrode connecting rod stretching out in described shell and fixed electrode connecting rod connect, and described moving electrode is closed on described fixed electrode, and
And be in described main shield cover enclosed space, described combined floodgate cam is connected with described moving electrode connecting rod, by described energy storage
Operation circuit drives combined floodgate cam to drive described moving electrode connecting rod, so that described moving electrode is contacted with described fixed electrode or divides
From,
It is additionally provided with the housing and determines connecting rod radome and bellows shield cover, respectively to described fixed electrode connecting rod and corrugated tube
Shielded, and set respectively corresponding to the position of described moving electrode connecting rod and described fixed electrode connecting rod at the two ends of described shell
It is equipped with radome.
2. energy storage type fast vacuum switch according to claim 1 is it is characterised in that described stored energy operation loop is using storage
Can electric capacity as energy-storage travelling wave tube, and after described storage capacitor charging complete, by the IGCT in described stored energy operation loop
To switching winding or closing coil electric discharge, to realize the driving of described combined floodgate cam.
3. energy storage type fast vacuum switch according to claim 2 is it is characterised in that described storage capacitor is electrolysis electricity
Hold.
4. energy storage type fast vacuum according to claim 1 switchs it is characterised in that described combined floodgate cam is by magnetic material
Make.
5. energy storage type fast vacuum according to claim 1 switchs it is characterised in that the periphery of described combined floodgate cam is formed
Magnetic material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410806650.5A CN104465212B (en) | 2014-12-22 | 2014-12-22 | Quick energy-storage type vacuum switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410806650.5A CN104465212B (en) | 2014-12-22 | 2014-12-22 | Quick energy-storage type vacuum switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104465212A CN104465212A (en) | 2015-03-25 |
| CN104465212B true CN104465212B (en) | 2017-02-01 |
Family
ID=52911102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410806650.5A Active CN104465212B (en) | 2014-12-22 | 2014-12-22 | Quick energy-storage type vacuum switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104465212B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201000856Y (en) * | 2007-01-31 | 2008-01-02 | 王萍 | Ceramic vacuum switch tube |
| CN203423121U (en) * | 2013-07-31 | 2014-02-05 | 正泰电气股份有限公司 | High-voltage vacuum circuit breaker closing and opening device |
| CN203481122U (en) * | 2013-07-08 | 2014-03-12 | 国家电网公司 | Rapid vacuum switch and power grid system |
| CN204360998U (en) * | 2014-12-22 | 2015-05-27 | 中电博瑞技术（北京）有限公司 | Energy storage type fast vacuum switch |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5297682B2 (en) * | 2008-04-24 | 2013-09-25 | 株式会社明電舎 | Vacuum circuit breaker |
| JP2012048868A (en) * | 2010-08-25 | 2012-03-08 | Fuji Electric Fa Components & Systems Co Ltd | Operation mechanism of vacuum circuit breaker |
-
2014
- 2014-12-22 CN CN201410806650.5A patent/CN104465212B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201000856Y (en) * | 2007-01-31 | 2008-01-02 | 王萍 | Ceramic vacuum switch tube |
| CN203481122U (en) * | 2013-07-08 | 2014-03-12 | 国家电网公司 | Rapid vacuum switch and power grid system |
| CN203423121U (en) * | 2013-07-31 | 2014-02-05 | 正泰电气股份有限公司 | High-voltage vacuum circuit breaker closing and opening device |
| CN204360998U (en) * | 2014-12-22 | 2015-05-27 | 中电博瑞技术（北京）有限公司 | Energy storage type fast vacuum switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104465212A (en) | 2015-03-25 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |