CN202523625U - Main circuit section assembly of vacuum circuit breaker - Google Patents
Main circuit section assembly of vacuum circuit breaker Download PDFInfo
- Publication number
- CN202523625U CN202523625U CN2012200630021U CN201220063002U CN202523625U CN 202523625 U CN202523625 U CN 202523625U CN 2012200630021 U CN2012200630021 U CN 2012200630021U CN 201220063002 U CN201220063002 U CN 201220063002U CN 202523625 U CN202523625 U CN 202523625U
- Authority
- CN
- China
- Prior art keywords
- mentioned
- main body
- push rod
- circuit
- vacuum
- 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.)
- Expired - Lifetime
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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
- H01H33/6606—Terminal arrangements
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- 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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/14—Multiple main contacts for the purpose of dividing the current through, or potential drop along, the arc
-
- 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
- H01H33/662—Housings or protective screens
- H01H33/66238—Specific bellows details
- H01H2033/66246—Details relating to the guiding of the contact rod in vacuum switch belows
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2217/00—Facilitation of operation; Human engineering
- H01H2217/046—Enhanced legend space by smaller actuators
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model provides a main circuit section assembly of a vacuum circuit breaker. According to one aspect of the utility model and an embodiment of the main circuit section assembly of the vacuum circuit breaker, the main circuit section assembly comprises a circuit section main body, a vacuum interrupter, a push rod and a guidance rod, wherein the circuit section main body possesses an upper portion terminal and a lower portion terminal which are mutually arranged with an interval; a vacuum interrupter is fixed on the upper portion terminal and the lower portion terminal, and a fixed contact and a mobile contact are arranged in the vacuum interrupter; the push rod carries out up-and-down reciprocating motion so that the mobile contact is contacted with the fixed contact or is separated from the fixed contact; the guidance rod is combined with the push rod and carries out linkage with the up-and-down reciprocating motion of the push rod so as to move the mobile contact. The push rod comprises a rod main body, an upper end portion and a lower end portion, wherein the upper end portion is formed through extending from an upper end of the rod main body and is combined with the push rod; the lower end portion is formed through extending from a lower end of the rod main body and is connected with a power transmission component which transmits a driving force of the up-and-down reciprocating motion for the push rod. The rod main body, the upper end portion and the lower end portion form one body. By using the main circuit section assembly in the embodiment of the utility model, operation reliability, durability and an insulating property of a product can be ensured.
Description
Technical field
The utility model relates to vacuum circuit-breaker.
Background technology
Circuit breaker is to be built in the power instrument of distribution panelboard with circuit of blocking-up accident on the line or conducting rated current.Above-mentioned circuit breaker according to the difference of employed arc quenching material be divided into the oil circuit breaker that uses oil plant, use gas-break switch as sulphur hexafluoride (SF6) gas of inert gas, use air air circuit, use the magnetic trip device of magnetic force and use the vacuum circuit-breaker etc. of the insulation endurance of vacuum.
Wherein, open and close during the vacuum circuit-breaker normal load, and the electric arc (arc) will produce fault current the time carries out arc extinguishing in vacuum tank, with rapid split circuit.In order to ensure insulation endurance, the inside of vacuum circuit-breaker is kept the vacuum state below the 10-3Torr usually.Above-mentioned vacuum circuit-breaker is mainly used in the circuit breaker of intermediate voltage level, and to the trend of Towards Higher Voltage, big electric currentization and miniaturization arranged recently.
Fig. 1 is the main circuit portion sectional view of the vacuum circuit-breaker of prior art.
As shown in Figure 1, the main circuit portion 10 of the vacuum circuit-breaker of prior art is incorporated into drive division and the supporting construction that is used to drive main contacts, and the conducting principal current, cuts off fault current.Above-mentioned main circuit portion 10 comprises insulator 11, upper terminal 12 and lower terminal 13, vacuum interrupter 14, push rod 15, guide rod 16 and shunt (shunt) 17.
Above-mentioned insulator 11 is the tubulose of general hollow.In addition, above-mentioned upper terminal 12 and lower terminal 13 are respectively in above-mentioned insulator 11 inner settings across a certain distance mutually.Above-mentioned vacuum interrupter 14 between above-mentioned upper terminal 12 and lower terminal 13 and secure bond in above-mentioned upper terminal 12, and it is fixing that above-mentioned lower terminal 13 is inserted.Above-mentioned push rod 15 is incorporated into the power transmission (not shown) that possesses supporting construction (not shown), and does through above-mentioned power transmission and to pump, with the contact in the above-mentioned vacuum interrupter 14 of conducting/cut-out.In addition, above-mentioned guide rod 16 connects above-mentioned lower terminal 13 and is incorporated into above-mentioned push rod 15 and vacuum interrupter 14, is passed to vacuum interrupter 14 with the actuating force with above-mentioned push rod 15.Above-mentioned shunt 17 clamps and is incorporated into above-mentioned guide rod 16.
The vacuum circuit-breaker of above-mentioned prior art when above-mentioned power transmission moves, pumps the push rod 15 that is incorporated into power transmission.In addition, above-mentioned guide rod 16 pumps with the interlock that pumps of above-mentioned push rod 15, with the contact of the above-mentioned vacuum interrupter 14 of conducting/cut-out.If the contact conducting of above-mentioned vacuum interrupter 14 is then through above-mentioned shunt 17 conducting rated current.
But there is following problem in the main circuit portion of the vacuum circuit-breaker of above-mentioned prior art:
At first, in the prior art, above-mentioned push rod 15 and the bonded block of guide rod 16 through other, for example screw connects.Therefore, if the above-mentioned push rod 15 and the guide rod 16 that combine through above-mentioned bonded block become flexible, then will destroy the alignment of above-mentioned push rod 15 and guide rod 16.
In addition, in the prior art, above-mentioned push rod 15 comprises the top that is connected with above-mentioned guide rod 16, the bottom that is connected with outside power transmission and the pars intermedia that connects above-mentioned upper and lower.In addition, three of above-mentioned push rod 15 parts mutually combine through bolt etc.Therefore, pump because of what above-mentioned push rod 15 continued, the combination that constitutes between the part of above-mentioned push rod 15 is loosening gradually, pumps thereby cause above-mentioned push rod 15 accurately to accomplish, and for example, the up-down that changes above-mentioned push rod 15 is moved back and forth.And then, because these problems, will cause above-mentioned vacuum interrupter 14 the contact conducting and cut off the mistake of function.
The utility model content
The purpose of the utility model is to overcome the deficiency of prior art and a kind of main circuit parts that can accurately transmit the vacuum circuit-breaker of the power between push rod and the guide rod is provided.
Another purpose of the utility model is, a kind of main circuit parts of vacuum circuit-breaker of the craspedodrome of guaranteeing push rod is provided.
Another purpose of the utility model is, a kind of main circuit parts of guaranteeing the vacuum circuit-breaker of insulation property is provided.
According to an aspect of the utility model, the embodiment of the main circuit parts of vacuum circuit-breaker comprises: circuit part's main body possesses the upper terminal and the lower terminal of the setting of being spaced from each other; Vacuum interrupter is fixed in above-mentioned upper terminal and lower terminal, and portion possesses fixed contact and current collector within it; Push rod pumps, above-mentioned current collector be contacted with the said fixing contact or separate from the said fixing contact; And guide rod, be incorporated into above-mentioned push rod and with the pumping interlock and move above-mentioned current collector of above-mentioned push rod; And above-mentioned push rod comprises: the bar main body; The upper end prolongs in the upper end of above-mentioned bar main body and to form and combine with above-mentioned push rod; And the bottom, be connected at the lower end of above-mentioned bar main body prolongation stroke and with the power transmission member of transmission for the actuating force that pumps of above-mentioned push rod; And above-mentioned bar main body, upper end and bottom are one-body molded.
The embodiment of the main circuit parts of the vacuum circuit-breaker of the utility model has following effect:
At first, in the embodiment of the utility model, push rod and guide rod need not other bonded block, and fixing through being pressed into each other.Therefore, according to the embodiment of the utility model, can guarantee the combination of above-mentioned push rod and guide rod, thereby can guarantee the operational reliability of actual product.
In addition, in the embodiment of the utility model, above-mentioned push rod is one-body molded.Therefore, according to the embodiment of the utility model, can guarantee the craspedodrome of above-mentioned push rod, thereby can guarantee durability of products and operational reliability.
In addition, in the embodiment of the utility model, main circuit portion is carried out epoxy-plastic packaging.Therefore, according to the embodiment of the utility model, can guarantee the insulation property of product.
Description of drawings
Fig. 1 is the main circuit portion sectional view of the vacuum circuit-breaker of prior art;
Fig. 2 is the embodiment sketch map of main circuit parts of the vacuum circuit-breaker of the utility model;
Fig. 3 is the embodiment sectional view of the utility model;
Fig. 4 is the push rod sketch map of the embodiment of formation the utility model;
Fig. 5 is the breaker body sketch map of the main circuit parts of the vacuum circuit-breaker of application the utility model.
Embodiment
Below, the embodiment to the main circuit parts of the vacuum circuit-breaker of the utility model is elaborated in conjunction with accompanying drawing.
Fig. 2 is that the embodiment sketch map, Fig. 3 of main circuit parts of the vacuum circuit-breaker of the utility model is the embodiment sectional view of the utility model, and Fig. 4 is the push rod sketch map of the embodiment that constitutes the utility model.
At first, like Fig. 2 and shown in Figure 3, the main circuit parts 1 of the vacuum circuit-breaker of the embodiment of the utility model comprises circuit part's main body 100, vacuum interrupter 200, push rod 300 and guide rod 400.
Particularly, foregoing circuit portion main body 100 is the drum of general hollow.On foregoing circuit portion main body 100, possess upper terminal 110 and lower terminal 120.Above-mentioned upper terminal 110 is spaced from each other a determining deviation with lower terminal 120, and can be along opposite direction setting.For example, above-mentioned upper terminal 110 can be provided with at the upper end edge above-below direction of foregoing circuit portion main body 100, and above-mentioned lower terminal 120 in a side of foregoing circuit portion main body 100 along the left and right directions setting.In addition, at the outer peripheral face of foregoing circuit portion main body 100, the outer peripheral face that possesses in foregoing circuit portion main body 100 is radial outstanding a plurality of dead rings 130.
In addition, in the present embodiment, foregoing circuit portion main body 100 is carried out epoxy-plastic packaging.This is the insulation property in order to ensure foregoing circuit portion main body 100.In addition, also can carry out epoxy-plastic packaging to the outside of above-mentioned upper terminal 110 and lower terminal 120.
Above-mentioned vacuum interrupter 200 is positioned at the inside of foregoing circuit portion main body 100.Above-mentioned vacuum interrupter 200 respectively is fixed in above-mentioned upper terminal 110 and lower terminal 120.In addition, possess fixed contact 510 and current collector 520 in the inside of above-mentioned vacuum interrupter 200.
Above-mentioned push rod 300 comprises: bar main body 310; Upper end 320, the upper end of above-mentioned bar main body 310 to above prolong; And bottom 330, prolong in the lower ends downward side of above-mentioned bar main body 310.At this, above-mentioned bar main body 310, upper end 320 and bottom 330 be to the each several part of above-mentioned push rod 300 according to position and function distinguishing name, and above-mentioned bar main body 310, upper end 320 and bottom 330 are in fact one-body molded.For example, the above-mentioned upper end 320 that has made and bottom 330 and the moulding in the lump of above-mentioned bar main body 310, or above-mentioned bar main body 310, upper end 320 and bottom 330 can be simultaneously one-body molded.
Particularly, above-mentioned bar main body 310 has certain length up and down.In addition, the outer peripheral face in above-mentioned bar main body 310 possesses a plurality of insulation divisions 311.Above-mentioned insulation division 311 is radial prolongation at the outer peripheral face of above-mentioned bar main body 310.
Outer peripheral face in above-mentioned upper end 320 possesses elastic washer 321.The outer peripheral face of above-mentioned elastic washer 321 in above-mentioned upper end 320 is radial prolongation.In addition, form installing hole 321 on the top of above-mentioned upper end 320.Above-mentioned installing hole 321 is the parts that supply the lower end insertion of above-mentioned guide rod 400.
The parts of accepting power are transmitted from the power transmission 3 that will explain in above-mentioned bottom 330.
In the present embodiment, the diameter of above-mentioned upper end 320 and bottom 330 is little with respect to the diameter of above-mentioned bar main body 310.In addition, above-mentioned upper end 320 and bottom 330 can possess identical diameter.In addition, above-mentioned upper end 320 can comprise a plurality of layers (layer) by the different metallic moulding.Under these circumstances, above-mentioned layer is radial certain thickness that possesses at the center of above-mentioned upper end 320.
Above-mentioned guide rod 400 connects above-mentioned current collector 220 and push rod 300.In fact, above-mentioned installing hole 321 is inserted in the lower end of above-mentioned guide rod 400.In addition, the upper end of above-mentioned guide rod 400 is incorporated into above-mentioned current collector 220 in the inside of above-mentioned vacuum interrupter 200.In fact, above-mentioned guide rod 400 can with above-mentioned push rod 300 coaxial settings.
Below, be elaborated in conjunction with the effect of accompanying drawing to the breaker body of the main circuit parts of the vacuum circuit-breaker of application the utility model.
Fig. 5 is the breaker body sketch map of the main circuit parts of the vacuum circuit-breaker of application the utility model.
As shown in Figure 5, main circuit parts 1 is installed on the support portion 2 of vacuum circuit-breaker.In addition, the side in above-mentioned support portion 2 possesses to above-mentioned main circuit parts 1, and reality is the power transmission 3 to push rod 300 transmission of drive force.
Above-mentioned power transmission 3 comprises the power transmission member (not shown) that is used for to above-mentioned push rod 300 transferring power.In addition, above-mentioned push rod 300 pumps through the actuating force from above-mentioned power transmission member, and guide rod 400 links therewith and pumps, and moving up and down current collector 220, thereby opens and closes upper terminal 110 and lower terminal 120.
But, in the present embodiment, constitute the each several part of above-mentioned push rod 300, promptly bar main body 310, upper end 320 and bottom 330 are one-body molded.Therefore, in the switching process of above-mentioned upper terminal 110 and lower terminal 120, can keep the craspedodrome of above-mentioned push rod 300.
In addition, in the present embodiment, above-mentioned guide rod 400 directly inserts above-mentioned push rod 30 so that two parts are fixed.Therefore; Can keep the aligned condition of above-mentioned push rod 300 and guide rod 400; Thereby move up and down required time and the consequent up-down that make above-mentioned push rod 300 are moved back and forth and are kept design load, prevent the delaying etc. of on-off action of above-mentioned upper terminal 110 and lower terminal 120.
The foregoing description is only unrestricted in order to explanation the utility model; Those of ordinary skill in the art is to be understood that; Can make amendment, be out of shape the utility model or be equal to replacement; And not breaking away from the spirit and the scope of the utility model, it all should be encompassed in the middle of the claim scope of the utility model.
Claims (9)
1. the main circuit parts of a vacuum circuit-breaker comprises: circuit part's main body possesses the upper terminal and the lower terminal of the setting of being spaced from each other;
Vacuum interrupter is fixed in above-mentioned upper terminal and lower terminal, and portion possesses fixed contact and current collector within it;
Push rod pumps, above-mentioned current collector be contacted with the said fixing contact or separate from the said fixing contact; And
Guide rod, be incorporated into above-mentioned push rod and with the pumping interlock and move above-mentioned current collector of above-mentioned push rod;
And above-mentioned push rod comprises:
The bar main body;
The upper end prolongs in the upper end of above-mentioned bar main body and to form and combine with above-mentioned push rod; And
The bottom is connected at the lower end of above-mentioned bar main body prolongation stroke and with the power transmission member of transmission for the actuating force that pumps of above-mentioned push rod;
And above-mentioned bar main body, upper end and bottom are one-body molded.
2. the main circuit parts of vacuum circuit-breaker according to claim 1, it is characterized in that: foregoing circuit portion main body is the drum of the hollow of epoxy-plastic packaging.
3. the main circuit parts of vacuum circuit-breaker according to claim 1, it is characterized in that: above-mentioned upper terminal and lower terminal are provided with in opposite direction.
4. the main circuit parts of vacuum circuit-breaker according to claim 1; It is characterized in that: above-mentioned upper terminal is provided with up and down at the upper end edge of foregoing circuit portion main body, and above-mentioned lower terminal edge and the direction of above-mentioned upper terminal quadrature are arranged at the side of foregoing circuit portion main body.
5. the main circuit parts of vacuum circuit-breaker according to claim 1 is characterized in that: possess a plurality of dead rings that are radial prolongation at the outer peripheral face of foregoing circuit portion main body in foregoing circuit portion main body.
6. the main circuit parts of vacuum circuit-breaker according to claim 1 is characterized in that: form the installing hole that supplies above-mentioned guide rod to insert in above-mentioned upper end.
7. the main circuit parts of vacuum circuit-breaker according to claim 1 is characterized in that: the diameter of above-mentioned upper end and bottom is little with respect to the diameter of above-mentioned bar main body.
8. the main circuit parts of vacuum circuit-breaker according to claim 1 is characterized in that: above-mentioned upper end comprises a plurality of layers that are radial formation from its central part.
9. the main circuit parts of vacuum circuit-breaker according to claim 1, it is characterized in that: the outer peripheral face in above-mentioned upper end possesses elastic washer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20-2011-0001616 | 2011-02-25 | ||
| KR2020110001616U KR200460509Y1 (en) | 2011-02-25 | 2011-02-25 | Main circuit portion assembly of vacuum circuit breake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202523625U true CN202523625U (en) | 2012-11-07 |
Family
ID=46607650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200630021U Expired - Lifetime CN202523625U (en) | 2011-02-25 | 2012-02-23 | Main circuit section assembly of vacuum circuit breaker |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR200460509Y1 (en) |
| CN (1) | CN202523625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113692632A (en) * | 2019-04-08 | 2021-11-23 | Ls电气株式会社 | Action sensing device of vacuum circuit breaker and vacuum circuit breaker comprising same |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100832326B1 (en) | 2006-12-29 | 2008-05-26 | 엘에스산전 주식회사 | Vacuum circuit breaker |
-
2011
- 2011-02-25 KR KR2020110001616U patent/KR200460509Y1/en active IP Right Grant
-
2012
- 2012-02-23 CN CN2012200630021U patent/CN202523625U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113692632A (en) * | 2019-04-08 | 2021-11-23 | Ls电气株式会社 | Action sensing device of vacuum circuit breaker and vacuum circuit breaker comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| KR200460509Y1 (en) | 2012-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |