CN105448589B - Rotate calm the anger on-load switch and its spout assembly - Google Patents
Rotate calm the anger on-load switch and its spout assembly Download PDFInfo
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- CN105448589B CN105448589B CN201410414579.6A CN201410414579A CN105448589B CN 105448589 B CN105448589 B CN 105448589B CN 201410414579 A CN201410414579 A CN 201410414579A CN 105448589 B CN105448589 B CN 105448589B
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Abstract
The invention discloses one kind to rotate calm the anger on-load switch and its spout assembly, and the spout assembly includes：Rotary-piston, be installed in cylinder, the rotary-piston apical position indent and there is first side and second side formed with the air outlet corresponding to the cylinder, the air outlet；And the movable touch knife corresponding to the cylinder, it is fixedly connected on the inner side of the rotary-piston, the movable touch knife includes the first blade and the second blade be arrangeding in parallel, there is gap between first blade and second blade, between the first side and first blade and/or between second blade and the second side, main injection jet, the first side spout and/or the second side spout are thus formed respectively, so that in cylinder interior gas described in the rotary-piston rotary compression, the gas quickly sprays through each spout from the air outlet.The present invention can control electric arc in the position most beneficial for arc extinguishing, and with prestissimo blow-out.
Description
Technical field
The present invention relates to device for switching technical field, especially there is a kind of spout assembly and the rotation pressure with the spout assembly
Gas on-load switch is relevant.
Background technology
The spout assembly for rotating on-load switch of calming the anger is the core component of arc-chutes, its structure and the arc extinguishing of on-load switch
Ability is closely bound up, and rational spout structure can control electric arc in the position most beneficial for arc extinguishing, and with prestissimo
Blow-out, improve the break performance of on-load switch, and the operating work of reducing mechanism.
If the unreasonable structure of spout, the operating work of mechanism wastes serious, switching impulse increasing, the reliability of switch
Reduce.Even resulting in failure of interruption causes on-load switch or gas-filling cabinet to explode, and causes serious consequence.
The spout of the on-load switch of prior art, its gas passage formed generally only one, is carried out in rotary-piston
When calming the anger, the gas in cylinder can only reach arc extinguishing from a passage, the e.g. passage between the two of movable touch knife contact knife
Room, therefore its arc extinguishing is indifferent, it is impossible to electric arc is controlled in the position most beneficial for arc extinguishing, can not be put out with prestissimo
Arc.
Therefore, it is necessary to develop a kind of spout structure for being used to rotate on-load switch of calming the anger, to improve arc extinguishing ability, realize fast
Fast arc extinguishing.
The content of the invention
For problems of the prior art, it is an object of the invention to provide a kind of spout assembly, to improve arc extinguishing
Ability, realize fast arc extinction.
Another object of the present invention is to provide a kind of rotation with spout assembly of the present invention to calm the anger on-load switch.
To achieve the above object, technical scheme is as follows：
A kind of spout assembly, the spout assembly include：
Rotary-piston, be installed in cylinder, the rotary-piston apical position indent and formed with corresponding to the cylinder
Air outlet, the air outlet has first side and second side；And
Corresponding to the movable touch knife of the cylinder, the inner side of the rotary-piston is fixedly connected on, the movable touch knife includes flat
Row set the first blade and the second blade, between first blade and second blade, the first side with it is described
There is gap between first blade and/or between second blade and the second side, thus form main injection jet, the respectively
Side spout and/or the second side spout, so that in cylinder interior gas described in the rotary-piston rotary compression, the gas is through each
The spout quickly sprays from the air outlet.
A kind of spout assembly, the spout assembly include：
Rotary-piston, be installed in cylinder, the rotary-piston apical position indent and formed with corresponding to the cylinder
Air outlet, the air outlet has first side and second side, has a horizontal-extending depression on the first side；
And
Corresponding to the movable touch knife of the cylinder, the inner side of the rotary-piston is fixedly connected on, the movable touch knife includes flat
The first blade and the second blade that row is set, striking is provided with the side of the close rotary-piston of first blade
The depression is stretched out in pin, the front end of the striking pin, between first blade and second blade, the striking pin and institute
Stating has gap between being recessed, thus forms main injection jet, side spout respectively, with cylinder described in the rotary-piston rotary compression
During interior gas, the gas quickly sprays through each spout from the air outlet.
The rotation of the present invention is calmed the anger on-load switch, has the spout assembly of the present invention.
The beneficial effects of the present invention are, spout assembly of the invention, when on-load switch separating brake is calmed the anger in rotation, air-flow energy
It is enough to be sprayed between blade and both sides, or the side ejection in the centre and both sides of blade, electric arc is controlled most favourable
In the position of arc extinguishing, and with prestissimo blow-out.The spout assembly of the present invention, it is possible to increase rotate opening for on-load switch of calming the anger
Disconnected performance, and the operating work of reducing mechanism.Operating work waste is avoided, reduces switching impulse, rotation is improved and calms the anger load
The reliability of switch.
Brief description of the drawings
Fig. 1 is the schematic perspective view of the spout assembly of first embodiment of the invention.
Fig. 2 is the schematic front view of the spout assembly of first embodiment of the invention.
Fig. 3 is I portions enlarged drawing in Fig. 2.
Fig. 4 be first embodiment of the invention spout assembly in rotary-piston schematic front view.
Fig. 5 is that the rotation of the embodiment of the present invention is calmed the anger the schematic cross-sectional view of on-load switch.
Fig. 6 is the schematic perspective view of the spout assembly of second embodiment of the invention.
Fig. 7 is the schematic front view of the spout assembly of second embodiment of the invention.
Fig. 8 is the left view schematic diagram of the spout assembly of second embodiment of the invention.
Fig. 9 is the schematic perspective view of the spout assembly of third embodiment of the invention.
Figure 10 is the schematic front view of the spout assembly of third embodiment of the invention.
Figure 11 is the schematic perspective view of the spout assembly of fourth embodiment of the invention.
Figure 12 is the schematic front view of the spout assembly of fourth embodiment of the invention.
Figure 13 is the schematic perspective view of the spout assembly of fifth embodiment of the invention.
Figure 14 is the schematic front view of the spout assembly of fifth embodiment of the invention.
Embodiment
Embodying the exemplary embodiments of feature of present invention and advantage will describe in detail in the following description.It should be understood that this
Invention can have various changes in different embodiments, and it is neither departed from the scope of the present invention, and it is therein explanation and
Accompanying drawing inherently is illustrated as being used, and is not used to the limitation present invention.
The rotation of the embodiment of the present invention is calmed the anger on-load switch, can have the spout assembly of any embodiment of the present invention.
The spout assembly for being used to rotate on-load switch of calming the anger of the embodiment of the present invention, cost simple in construction is low, and can
Effectively electric arc is controlled in the position most beneficial for blow-out.
First embodiment：
The on-load switch as shown in figure 5, rotation of first embodiment of the invention is calmed the anger, the rotary-piston 100 of arc-chutes are equipped
On movable touch knife (or moving contact) 200, movable touch knife 200 is arranged in lower static contact 22, and rotary-piston 100 is furnished with cylinder 27.
When on-load switch separating brake is calmed the anger in the rotation of the embodiment of the present invention, that is, the combination that rotary-piston 100 is equipped with movable touch knife 200
Body is in cylinder 27, from the position being connected with upper static contact 21, when being rotated to the direction away from upper static contact 21, rotary-piston
Gas in 100 compression cylinders 27.
And the spout assembly of first embodiment of the invention, adopt the technical scheme that, the air outlet 10 of spout assembly, set
In on the rotary-piston 100 of arc-chutes, when on-load switch separating brake is calmed the anger in the rotation of the embodiment of the present invention, make gas toward air outlet
Quickly sprayed at 10, due to the both sides Jun You gaps of movable touch knife 200, respectively as main injection jet 12, the first side spout 12 and the second side
Spout 13, therefore electric arc control caused by separating brake at blowing mouth 10, can be more easy to blow-out.
Specifically, the spout assembly of first embodiment of the invention, including rotary-piston 100 and movable touch knife 200, it can also wrap
Include and protrude out seat 300 by what rotary-piston 100 and movable touch knife 200 were fixedly connected.
As Figure 1-Figure 5, rotary-piston 100, the rotation for being installed on the embodiment of the present invention are calmed the anger the cylinder of on-load switch
In 27, the upper middle position of rotary-piston 100 is recessed above-mentioned air outlet 10, as shown in figure 4, air outlet 10 has the first side
Side 101 and second side 102；In the present embodiment, air outlet 10 it is generally rectangular in shape, four corners of air outlet 10 have
There is chamfering, but the present invention is not intended to limit the shape of air outlet 10, and air outlet 10 can also be square, trapezoidal or other are simple
Or complicated shape.
As shown in figure 5, movable touch knife 200, the inner side of rotary-piston 100, that is, the side of cylinder 27 are fixedly connected on.Such as figure
Shown in 1, movable touch knife 200 includes the first blade 201 and the second blade 202, and the first blade 201 and the second blade 202 be arranged in parallel.
Also, between the blade 201 of first side 101 and first of air outlet 10, between the first blade 201 and the second blade 202, second
Between blade 202 and the second side 102 of air outlet 10, all with gap, with these gaps, formed respectively as shown in Figure 3
First side spout 11, the side spout 13 of main injection jet 12 and second, with the rotary compression cylinder 27 of rotary-piston 100 during gas, gas
Body quickly sprays through above-mentioned spout 11,12,13 from air outlet 10.
Form main injection jet 12 between first blade 201 and the second blade 202, and the first blade 201 and the second blade 202
Close to rotary-piston 100 side, as shown in Figures 1 and 3, there is wedge-shaped part, by taking the second blade 202 as an example, its wedge-shaped part by
Two cambered surface compositions, are respectively inner side cambered surface 203 and outside cambered surface 204.Thus, the lateral arcs of the wedge-shaped part of the first blade 201
There is gap, to form the first side spout 11, the wedge shape of the second blade 202 between face 206 and the first side of air outlet 10 101
Also there is gap, to form the second side spout 13 between the outside cambered surface 204 in portion and the first side 102 of air outlet 10.This reality
It is a preferred embodiment to apply example, but the present invention does not carry out the composition shape of restrictive orifice with this, this side clearance, does not limit to
It is made up of wedge-shaped part.
The spout assembly of first embodiment of the invention, it is preferred that as shown in figure 3, the first blade 201 and the second blade 202
Two relative lateral surfaces alignd respectively with first side 101, second side 102, but the present invention is not limited thereto.Still such as Fig. 3
It is shown, the width of main injection jet 12, namely the spacing of the two-phase inner surface sides of the first blade 201 and the second blade 202, more than first
The width of blade 201, and the width of two blades 201,202 is identical.But the present invention is not limited thereto, the width of main injection jet 12
The first blade 201, the width of the second blade 202 can be less than or equal to.
When the width of main injection jet 12 is more than the width of the first blade 201, the width of the width of main injection jet 12 and the first blade 201
It can be 4 to spend ratio:3, but above-mentioned width ratio is not limited to 4:3.
The spout assembly of first embodiment of the invention, in order to increase the connection reliability with upper static contact 21, the first blade
201 and the two-phase inner surface sides of the second blade 202 a pair of spherical point contacts 205 are provided with upper end position, increase contact
Area, when connecting upper static contact 21, certain elasticity is had between the first blade 201, the second blade 202 and upper static contact 21
Deformation, it is ensured that connection reliability between the two.
As shown in figure 5, the spout assembly of first embodiment of the invention, can lead between rotary-piston 100 and movable touch knife 200
Cross and protrude out seat 300 and be attached, the cross sectional shape for protruding out seat 300 is, for example, triangle, protrudes out the front end of seat 300, is the equal of
The a line of triangle, connection movable touch knife 200 and rotary-piston 100, protrude out the rear end of seat 300, are the equal of the one of triangle
Individual angle, connect drive mechanism.
Second embodiment：
The present embodiment and first embodiment identical place, are repeated no more.
As Figure 6-Figure 8, the present embodiment place different from first embodiment is, in the present embodiment, only has master
The side spout 11 of spout 12 and first, and no longer have the second side spout, corresponding, blowing mouth 10 has first side 101 and the
Dual side-edge 104, the second side 104 of the present embodiment place different from the second side 102 in first embodiment be, second
Side 104 is no longer vertically arranged, but has certain inclination.In the present embodiment, gas passes through main injection jet 12, the first side spray
Mouth 11 carries out arc extinguishings, therefore can set arc initiation device on the first blade 201, and electric arc is guided into the side of the first blade 201.
In addition, the left view of the spout assembly of other embodiment can be identical with Fig. 7.
3rd embodiment：
The present embodiment and first embodiment identical place, are repeated no more.
As shown in Figure 9 and Figure 10, the present embodiment place different from first embodiment is in the present embodiment, only have
The side spout 13 of main injection jet 12 and second, and no longer there is the first side spout, corresponding, blowing mouth 10 has the He of first side 109
Second side 102, the first side 109 of the present embodiment place different from the first side 101 in first embodiment be,
One side 101 is no longer vertically arranged, but has certain inclination.In the present embodiment, gas passes through main injection jet 12, the second side
Spout 13 carries out arc extinguishing, therefore can set arc initiation device on the second blade 202, and electric arc is guided into the side of the second blade 202.
Fourth embodiment：
The present embodiment and former embodiment identicals place, are repeated no more.
As is illustrated by figs. 11 and 12, the present embodiment place unlike the embodiments above is in the present embodiment, only have
Main injection jet 12 and side spout 14, and no longer there is the first side spout and the second side spout, corresponding, blowing mouth 10 has the first side
Side 108 and second side 107, it is that there is certain inclined setting.
There is a horizontal-extending depression, corresponding, the close rotary-piston 100 of the first blade 201 on first side 108
Side on be provided with striking pin 209, as shown in figure 11, the depression, striking pin 209 and institute are stretched out in the front end of striking pin 209
Stating has gap between being recessed, thus forms side spout 14.
The front end of striking pin 209 can be hemisphere planar, and it is resistance to electric arc material, and the rear end of striking pin 209 is fixedly arranged on first
Blade 201, the first blade 201 is e.g. riveted on, but the present invention is not limited thereto.Outside two, striking pin 209 can also be set
On the second blade 202.
The first blade 201 finally leaves the position of upper static contact 21 when striking pin 209 is provided in separating brake, therefore can incite somebody to action
Electric arc guides to the side of the first blade 201, and arc extinguishing is carried out by main injection jet 12 and side spout 14.
5th embodiment：
As shown in Figure 13 and Figure 14, the present embodiment is with previous embodiment difference, the spout assembly of the present embodiment,
Its rotary-piston 100 is Integral three-phase piston, has three air outlets 10,10 ', 10 " on the rotary-piston 100 with corresponding
Three-phase cylinder, accordingly, the inner side of rotary-piston 100, also it is fixedly connected with corresponding with three air outlets 10,10 ', 10 " respectively
Three movable touch knifes 200,200 ', 200 ".The structure of each movable touch knife of the present embodiment and each air outlet corresponding to it, it can be selected
Any one of above-described embodiment.
The rotation for introducing the embodiment of the present invention again below is calmed the anger on-load switch.
The on-load switch as shown in figure 5, rotation of the embodiment of the present invention is calmed the anger, upper static contact 21 are installed on the top of cylinder 27
Portion, grounding contact 26 and lower static contact 22 are respectively arranged in the bottom of cylinder 27, and movable touch knife 200 is hinged in lower static contact 22,
Therefore movable touch knife 200 can be rotated, so that movable touch knife with rotary-piston 100 together under the driving of drive mechanism
200 can move between disconnection (separating brake), closure (combined floodgate) and ground connection station.Wherein, drive mechanism can include drive shaft
25th, connecting lever 24 and connecting rod 23, connecting lever 24 are connected in drive shaft 25.And connecting rod 23 is connected to and protruded out between seat 300 and connecting lever 24.
In summary, the rotation of the embodiment of the present invention is calmed the anger on-load switch and the spout assembly of the embodiment of the present invention, is being revolved
Turn to calm the anger on-load switch separating brake when, air-flow can spray between the first blade 201, the second blade 202 and both sides, or from from the
Side between one blade 201, the second blade 202 and in both sides is sprayed, and electric arc is controlled in the position most beneficial for arc extinguishing, and
And with prestissimo blow-out.The spout assembly of the present invention, the break performance for rotating on-load switch of calming the anger is improved, and reduce machine
The operating work of structure.Operating work waste is avoided, reduces switching impulse, improves the reliability for rotating on-load switch of calming the anger.
It is artisan will appreciate that of the invention disclosed in appended claims of the invention not departing from
The change and retouching made in the case of scope and spirit, belong to the present invention scope of the claims within.
Claims (10)
1. a kind of spout assembly, it is characterised in that the spout assembly includes：
Rotary-piston, be installed in cylinder, the rotary-piston apical position indent and formed with going out corresponding to the cylinder
Air port, the air outlet have first side and second side；And
Corresponding to the movable touch knife of the cylinder, the inner side of the rotary-piston is fixedly connected on, the movable touch knife includes parallel set
The first blade and the second blade put, between first blade and second blade, the first side and described first
There is gap between blade and/or between second blade and the second side, thus form main injection jet, the first side respectively
Spout and/or the second side spout, so that in cylinder interior gas described in the rotary-piston rotary compression, the gas is through each described
Spout quickly sprays from the air outlet.
2. spout assembly as claimed in claim 1, it is characterised in that the close institute of first blade and second blade
Stating the side of rotary-piston has a wedge-shaped part, and the wedge-shaped part has an inner side cambered surface and outside cambered surface, and the two of two wedge-shaped parts
First side spout, second side spout are formed between outside cambered surface and the first side, the second side respectively.
3. spout assembly as claimed in claim 2, it is characterised in that the two of first blade and second blade are relative
Lateral surface respectively align by the first side with the air outlet, the second side.
4. spout assembly as claimed in claim 2, it is characterised in that the rotary-piston is Integral three-phase piston, described
There are three air outlets with corresponding three-phase cylinder on rotary-piston.
5. spout assembly as claimed in claim 2, it is characterised in that the spout assembly includes main injection jet and the first side spray
Mouthful, the lateral surface of first blade aligns with the first side of the air outlet.
6. spout assembly as claimed in claim 2, it is characterised in that the spout assembly includes main injection jet and the second side spray
Mouthful, the lateral surface of second blade aligns with the second side of the air outlet.
7. spout assembly as claimed in claim 2, it is characterised in that the two of first blade and second blade are relative
Medial surface is provided with a pair of hemisphere planar contacts for being used to connect upper static contact at upper end position.
8. a kind of spout assembly, it is characterised in that the spout assembly includes：
Rotary-piston, be installed in cylinder, the rotary-piston apical position indent and formed with going out corresponding to the cylinder
Air port, the air outlet have first side and second side, have a horizontal-extending depression on the first side；And
Corresponding to the movable touch knife of the cylinder, the inner side of the rotary-piston is fixedly connected on, the movable touch knife includes parallel set
The first blade and the second blade put, striking pin, institute are provided with the side of the close rotary-piston of first blade
The depression is stretched out in the front end for stating striking pin, between first blade and second blade, the striking pin with it is described recessed
There is gap between falling into, thus formation main injection jet, side spout respectively, with gas in cylinder described in the rotary-piston rotary compression
During body, the gas quickly sprays through each spout from the air outlet.
9. spout assembly as claimed in claim 8, it is characterised in that the front end of the striking pin is hemisphere planar, described to draw
The rear end of arc pin is fixedly arranged on first blade.
The on-load switch 10. one kind rotation is calmed the anger, it is characterised in that there is the on-load switch of calming the anger that rotates claim 1-9 to appoint
Spout assembly described in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414579.6A CN105448589B (en) | 2014-08-21 | 2014-08-21 | Rotate calm the anger on-load switch and its spout assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414579.6A CN105448589B (en) | 2014-08-21 | 2014-08-21 | Rotate calm the anger on-load switch and its spout assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105448589A CN105448589A (en) | 2016-03-30 |
| CN105448589B true CN105448589B (en) | 2017-12-19 |
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ID=55558671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410414579.6A Active CN105448589B (en) | 2014-08-21 | 2014-08-21 | Rotate calm the anger on-load switch and its spout assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105448589B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3611745B1 (en) | 2018-08-16 | 2024-03-20 | ABB Schweiz AG | Gas-insulated low- or medium-voltage load break switch |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102177565A (en) * | 2008-10-09 | 2011-09-07 | 法国阿海珐集团输配电自动中心 | Cutoff chamber for high-voltage circuit breaker with improved arc quenching |
| CN102629530A (en) * | 2012-03-30 | 2012-08-08 | 厦门华电开关有限公司 | Arc-extinguishing load switch and switch equipment |
| CN202721078U (en) * | 2012-06-28 | 2013-02-06 | 莱福士电力电子设备（深圳）有限公司 | Load switch |
-
2014
- 2014-08-21 CN CN201410414579.6A patent/CN105448589B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102177565A (en) * | 2008-10-09 | 2011-09-07 | 法国阿海珐集团输配电自动中心 | Cutoff chamber for high-voltage circuit breaker with improved arc quenching |
| CN102629530A (en) * | 2012-03-30 | 2012-08-08 | 厦门华电开关有限公司 | Arc-extinguishing load switch and switch equipment |
| CN202721078U (en) * | 2012-06-28 | 2013-02-06 | 莱福士电力电子设备（深圳）有限公司 | Load switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105448589A (en) | 2016-03-30 |
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