CN206849756U - The primary cut-out of quick on/off switch - Google Patents
The primary cut-out of quick on/off switch Download PDFInfo
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- CN206849756U CN206849756U CN201720716142.7U CN201720716142U CN206849756U CN 206849756 U CN206849756 U CN 206849756U CN 201720716142 U CN201720716142 U CN 201720716142U CN 206849756 U CN206849756 U CN 206849756U
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- arc
- chutes
- gangbar
- switch
- quick
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- 230000000694 effects Effects 0.000 claims abstract description 6
- 230000033001 locomotion Effects 0.000 claims description 9
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- 239000011810 insulating material Substances 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 238000010891 electric arc Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a kind of primary cut-out of quick on/off switch, including：First arc-chutes, the first moving contact is provided with it, the first moving conductive rod being conductively connected with the first moving contact is drawn from the first end of the first arc-chutes；Second arc-chutes, the second moving contact is provided with it, the side-wall outer side protrusion close to second arc-chutes at second the second end of arc-chutes is provided with guide block, and a strip push rod extended along the second moving conductive rod opposite direction is provided with the outside of guide block；Wherein, second arc-chutes piecemeal activity is arranged in the first arc-chutes, opened up on the first moving conductive rod in the first arc-chutes fluted, a gangbar is additionally provided with first arc-chutes, gangbar is rotatably arranged in the first arc-chutes side wall, the first end of gangbar is set in a groove, and the second end of gangbar is rotatably arranged on the termination of push rod.There is the technical problem of repeated breakdown between solving contact in the utility model.
Description
Technical field
A kind of primary cut-out is the utility model is related to, more specifically, the utility model is related to a kind of quick on/off switch
Primary cut-out.
Background technology
With the sustained and rapid development of China's economy, entire society is also increasing to the demand of electric power, the appearance of power network
Amount constantly expands, and forces voltage class to improve constantly, and most domestic high-pressure delivery line is directly using 126kV voltages etc. at present
Level, primary cut-out are largely used.
Due to saturation effect between the breakdown voltage and gap length between fracture contact be present, only by opening between increase fracture
Away from come improve stress levels be it is conditional, at present limit primary cut-out improve voltage class one of difficult point be,
On/off switch time speed is slow, arc time length, after contact separation, easy repeated breakdown, causes failure of interruption.
Utility model content
A purpose of the present utility model is that solve at least the above, and provides the advantages of at least will be described later.
It is the design defect for above transformer that the utility model, which also has a purpose, there is provided a kind of quick on/off switch
Primary cut-out, the arc-chutes set using two fits, promote one can just make two moving contacts simultaneously move toward one another or
Reverse motions, on/off switch speed is improved, solve between contact and the technical problem of repeated breakdown occur.
In order to realize according to these purposes of the present utility model and further advantage, there is provided a kind of high pressure of quick on/off switch
Breaker, including：
First arc-chutes, the first moving contact are provided with it, the first moving conductive being conductively connected with first moving contact
Bar is drawn from the first end of first arc-chutes, and the second end of first arc-chutes is opened wide；
Second arc-chutes, the second moving contact are provided with it, the second moving conductive being conductively connected with second moving contact
Bar is drawn from the first end of second arc-chutes, and the second end of second arc-chutes is opened wide, close to second arc-chutes
The side-wall outer side protrusion of second arc-chutes at the second end is provided with guide block, and one along described second is provided with the outside of the guide block
The strip push rod of moving conductive rod opposite direction extension；
Wherein, the second arc-chutes piecemeal activity is arranged in first arc-chutes, positioned at first arc-chutes
Open up fluted on interior first moving conductive rod, a gangbar, the gangbar are additionally provided with first arc-chutes
It is rotatably arranged in the first arc-chutes side wall, the first end of the gangbar is arranged in the groove, the gangbar
The second end be rotatably arranged on the termination of the push rod.
Preferably, the first conducting ring, the first moving conductive rod activity are provided with the outside of the first arc-chutes first end
Contact is in first conducting ring；It is provided with the second conducting ring on the outside of the second arc-chutes first end, described second dynamic leads
Electric pole movable contact is in second conducting ring.
Preferably, opened up along its length in the side wall of first arc-chutes at the end of the first arc-chutes second
There is the first cavity, the second cavity is offered in the side wall of first arc-chutes on the outside of first cavity, described second is empty
Chamber connects with first cavity, and second cavity extends to the first arc-chutes first end.
Preferably, the guide block is movably arranged in first cavity, and it is empty that the push rod is movably arranged on described second
In chamber.
Preferably, the first rotary shaft is fixedly installed in the first arc-chutes side wall, the gangbar is around described first
Rotary shaft is rotatably arranged in the first arc-chutes side wall.
Preferably, the groove is the cylindrical hole with certain depth, and the gangbar first end is plugged in the groove
In and into groove extend certain distance, the second rotary shaft is provided with the push rod termination, the end of push rod second is connected to
In second rotary shaft.
Preferably, the external diameter of second arc-chutes is identical with the internal diameter of first arc-chutes, second arc-chutes
Sidewall thickness be less than clearance distance between first moving contact and the first arc-chutes madial wall, second arc extinguishing
Second end of room is movably arranged in the second end of first arc-chutes, and the guide block is spacing among first cavity.
Preferably, second arc-chutes connect a single shaft drive mechanism, the second arc extinguishing described in the driving mechanisms control
Room movement travel in first arc-chutes.
Preferably, airtight connection, first arc-chutes and second go out between first arc-chutes and the second arc-chutes
Insulating gas is filled with arc chamber, the guide block, push rod and gangbar are made by insulating materials.
Preferably, be at least symmetrically arranged with the first arc-chutes side wall two contacted with the first moving conductive rod it is described
Gangbar.
The utility model comprises at least following beneficial effect：
1st, using linkage structure, control any arc-chutes to may be such that two moving contacts on/off switch simultaneously, improve contact
Between speed of related movement, reduce the arc time, avoid re-breakdown phenomenon occur between contact；
2nd, reduce the breaker on/off switch time, improve breaker reliability and effective drop-out voltage grade.
Further advantage, target and feature of the present utility model embody part by following explanation, and part will also pass through
Research of the present utility model and practice are understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the structural representation of the first arc-chutes；
Fig. 2 is the structural representation of the second arc-chutes；
Fig. 3 is the structural representation of breaker when disconnecting；
The structural representation of breaker when Fig. 4 is conducting.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to explanation
Book word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
Embodiment one
As Figure 1-4, the utility model provides a kind of primary cut-out of quick on/off switch, including：First arc-chutes 1
The second arc-chutes 2 being arranged on piecemeal activity in the first arc-chutes 1, any one is fixed for two arc-chutes, and another one passes through drive
Motivation structure moves back and forth, and controls the on/off switch of breaker to move.
Specifically, in the present embodiment, the first moving contact 11 is provided with the first arc-chutes 1, with first moving contact 11
The first moving conductive rod 12 being conductively connected is drawn from the first end of first arc-chutes 1, outside the first end of the first arc-chutes 1
Side is provided with the first conducting ring 13, and the movable contact of the first moving conductive rod 12 is in first conducting ring 13, external circuitses
It is conductively connected by the first conducting ring 13 and the first moving contact 11, the first moving contact is movably arranged on first arc-chutes back and forth
In 1, the second end of first arc-chutes 1 is opened wide.
Offer the along its length in the side wall of first arc-chutes 1 at the end of the first arc-chutes 1 second
One cavity 14, first cavity 14 connection the first arc-chutes 1 inner space, the first cavity 14 are extended with certain length, and described the
Offer the second cavity 15 in the side wall of first arc-chutes 1 in the outside of one cavity 14, second cavity 15 and described the
One cavity 14 connects, and second cavity 15 extends to the first end of the first arc-chutes 1, the bit length bar shaped square of the second cavity 15
Shape cavity, the upper end of the second cavity 15 and the first arc-chutes lateral wall are spaced apart, to ensure dielectric strength.
Fluted 18 are opened up on first moving conductive rod 12 in first arc-chutes 1, the perforate of groove 18
Direction is vertical with the length direction of first moving conductive rod 12, and a gangbar 16, institute are additionally provided with first arc-chutes 1
State gangbar 16 to be rotatably arranged in the side wall of the first arc-chutes 1, specifically, fixation is set in the side wall of the first arc-chutes 1
The first rotary shaft 17 is equipped with, the first rotary shaft 17 is located in the side wall of the first end of the first arc-chutes 1, and first rotary shaft
17 close to the first arc-chutes 1 madial wall, the gangbar 16 is rotatably arranged on described first around first rotary shaft 17 and goes out
In the side wall of arc chamber 1.
The first end of the gangbar 16 is arranged in the groove 18, rotates gangbar 16, you can driving first is dynamic to touch
Head moves back and forth.The groove 18 is the cylindrical hole with certain depth, and the first end of gangbar 16 is plugged in the groove
Extend certain distance in 18 and into groove 18, avoid gangbar 16 from departing from rotation process from groove 18, improve breaker
The reliability of on/off switch.
The second moving contact 21 is provided with second arc-chutes 2, moves and leads with second moving contact 21 is conductively connected second
Electric pole 22 is drawn from the first end of second arc-chutes 2, and the second conducting ring 23 is provided with the outside of the first end of the second arc-chutes 2,
For the movable contact of second moving conductive rod 22 in second conducting ring 23, external circuitses pass through the second conducting ring 23 and second
Moving contact 21 is conductively connected, and the second moving contact is movably arranged in second arc-chutes 2 back and forth, second arc-chutes 2
Second end is opened wide.
Side-wall outer side protrusion close to second arc-chutes 2 at the end of the second arc-chutes 2 second is provided with guide block 24,
The guide block 24 is spacing to be movably arranged in first cavity 14, and the outside of the guide block 24 is provided with one along described second and dynamic led
The strip push rod 25 of the opposite direction of electric pole 22 extension, the push rod 25 are movably arranged in second cavity 15, the push rod
The second rotary shaft 26 is provided with 25 terminations, the end of push rod 25 second is connected in second rotary shaft 26.
The external diameter of second arc-chutes 2 is identical with the internal diameter of first arc-chutes 1, the side of second arc-chutes 2
Wall thickness is less than the clearance distance between first moving contact 11 and the madial wall of the first arc-chutes 1, second arc extinguishing
Second end of room 2 is movably arranged in the second end of first arc-chutes 1, and push rod is linked by guide block and the second arc-chutes,
Push rod termination is rotatablely connected by the second rotary shaft and the end of gangbar second, and gangbar is rotatably arranged on the by the first rotary shaft
In one arc-chutes side wall, push rod first end plugs in a groove, with first moving contact that links.
Second arc-chutes 2 connect a single shaft drive mechanism, and the second arc-chutes are in institute described in the driving mechanisms control
State movement travel in the first arc-chutes.
When breaker is in disjunction state, as shown in figure 3, two moving contacts separate certain distance, when drive mechanism drives
Second arc-chutes to the first arc-chutes move when, the second moving contact moves to the first moving contact, meanwhile, push rod promote gangbar around
The rotation of the first rotary shaft, promotes the first moving contact to be moved to the second moving contact, so as to which the first moving contact, the second moving contact are synchronous
Move towards, improve closing speed, reduce closing time and arc time, effectively protect contact, until the first moving contact and
Second moving contact contacts, in-place closing, breaker closing, as shown in Figure 4.
When needing separating brake, as long as then controlling drive mechanism opposite direction to pull the movement of the second arc-chutes, second is dynamic tactile
Head moves to away from the first moving contact direction, meanwhile, push rod pulls gangbar to rotate, and gangbar first end promotes the first moving contact
Moved to away from the second moving contact direction, so as to which the first moving contact, the second moving contact are synchronous mobile backwards, improve separating brake speed
Degree, reduces opening time and arc time, electric arc extinguish rapidly, avoids arc reignition from causing repeated breakdown, effectively protects contact, directly
To the first moving contact and the second moving contact separating brake in place, breaker disconnects.
In above-mentioned technical proposal, airtight connection between the arc-chutes 2 of the first arc-chutes 1 and second, first arc extinguishing
Insulating gas has been filled with the arc-chutes 2 of room 1 and second, has cut-off grade, the guide block to improve the voltage of insulating properties and breaker
24th, push rod 25 and gangbar 16 are made by insulating materials, to ensure the class of insulation of breaker and security, avoid voltage
Puncture arc-chutes.
The arc-chutes that the utility model is set using two fits, one is promoted just to make two moving contacts simultaneously opposite
Motion or reverse motions, improve on/off switch speed, electric arc extinguishes rapidly, can effectively solve the skill of repeated breakdown occur between contact
Art problem, improve breaker reliability.
Embodiment two
Difference with embodiment one is, two and the first moving conductive are symmetrically arranged with the side wall of the first arc-chutes 1
The gangbar 16 that bar 12 contacts, while the link gear of two pairs of first moving contacts of connection and the second arc-chutes is configured with, make
During obtaining on/off switch, the stress equalization of the first moving contact so that the operation of the first moving contact and the second moving contact is more suitable
Freely, breaker on/off switch speed and reliability are further increased.
From the above mentioned, breaker of the present utility model, using linkage structure, any arc-chutes are controlled to may be such that two are moved
Contact on/off switch simultaneously, improves the speed of related movement between contact, reduces the arc time, avoids repeated breakdown occur between contact showing
As；Meanwhile reduce the breaker on/off switch time, improve breaker reliability and effective drop-out voltage grade.
Although embodiment of the present utility model is disclosed as above, it is not restricted in specification and embodiment
Listed utilization, it can be applied to various suitable fields of the present utility model completely, for those skilled in the art,
Other modification is easily achieved, therefore under the universal limited without departing substantially from claim and equivalency range, this reality
Specific details is not limited to new and shown here as the legend with description.
Claims (10)
- A kind of 1. primary cut-out of quick on/off switch, it is characterised in that including：First arc-chutes, be provided with the first moving contact in it, with the first moving conductive rod that first moving contact is conductively connected from The first end of first arc-chutes is drawn, and the second end of first arc-chutes is opened wide；Second arc-chutes, be provided with the second moving contact in it, with the second moving conductive rod that second moving contact is conductively connected from The first end of second arc-chutes is drawn, and the second end of second arc-chutes is opened wide, close to second arc-chutes second The side-wall outer side protrusion of second arc-chutes at end is provided with guide block, and one along described second is provided with the outside of the guide block and dynamic is led The strip push rod of electric pole opposite direction extension；Wherein, the second arc-chutes piecemeal activity is arranged in first arc-chutes, in first arc-chutes Open up fluted on first moving conductive rod, be additionally provided with a gangbar in first arc-chutes, the gangbar rotates It is arranged in the first arc-chutes side wall, the first end of the gangbar is arranged in the groove, and the of the gangbar Two ends are rotatably arranged on the termination of the push rod.
- 2. the primary cut-out of quick on/off switch as claimed in claim 1, it is characterised in that the first arc-chutes first end Outside is provided with the first conducting ring, and the first moving conductive rod movable contact is in first conducting ring；Second arc extinguishing The second conducting ring is provided with the outside of the first end of room, the second moving conductive rod movable contact is in second conducting ring.
- 3. the primary cut-out of on/off switch as claimed in claim 2 quick, it is characterised in that close to first arc-chutes the Offer the first cavity in the side wall of first arc-chutes at two ends along its length, described on the outside of first cavity The second cavity is offered in the side wall of one arc-chutes, second cavity connects with first cavity, and second cavity Extend to the first arc-chutes first end.
- 4. the primary cut-out of quick on/off switch as claimed in claim 3, it is characterised in that the guide block is movably arranged on institute State in the first cavity, the push rod is movably arranged in second cavity.
- 5. the primary cut-out of quick on/off switch as claimed in claim 4, it is characterised in that in the first arc-chutes side wall The first rotary shaft is fixedly installed, the gangbar is rotatably arranged on the first arc-chutes side wall around first rotary shaft On.
- 6. the primary cut-out of quick on/off switch as claimed in claim 5, it is characterised in that the groove is with a depthkeeping The cylindrical hole of degree, the gangbar first end are plugged in the groove and extend certain distance, the push rod end into groove The second rotary shaft is provided with head, the end of push rod second is connected in second rotary shaft.
- 7. the primary cut-out of quick on/off switch as claimed in claim 6, it is characterised in that the external diameter of second arc-chutes Identical with the internal diameter of first arc-chutes, the sidewall thickness of second arc-chutes is less than first moving contact and described the Clearance distance between one arc-chutes madial wall, the second end of second arc-chutes are movably arranged on first arc-chutes In second end, the guide block is spacing among first cavity.
- 8. the primary cut-out of quick on/off switch as claimed in claim 7, it is characterised in that the second arc-chutes connection one Single shaft drive mechanism, the second arc-chutes movement travel in first arc-chutes described in the driving mechanisms control.
- 9. the primary cut-out of quick on/off switch as claimed in claim 8, it is characterised in that first arc-chutes and second Airtight connection between arc-chutes, has been filled with insulating gas in first arc-chutes and the second arc-chutes, the guide block, push rod with And gangbar is made by insulating materials.
- 10. the primary cut-out of quick on/off switch as claimed in claim 9, it is characterised in that the first arc-chutes side wall In be at least symmetrically arranged with two gangbar contacted with the first moving conductive rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720716142.7U CN206849756U (en) | 2017-06-19 | 2017-06-19 | The primary cut-out of quick on/off switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720716142.7U CN206849756U (en) | 2017-06-19 | 2017-06-19 | The primary cut-out of quick on/off switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206849756U true CN206849756U (en) | 2018-01-05 |
Family
ID=60801276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720716142.7U Active CN206849756U (en) | 2017-06-19 | 2017-06-19 | The primary cut-out of quick on/off switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206849756U (en) |
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2017
- 2017-06-19 CN CN201720716142.7U patent/CN206849756U/en active Active
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