CN101645368B - Electric switch provided with separate arc-extinguishing device - Google Patents
Electric switch provided with separate arc-extinguishing device Download PDFInfo
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- CN101645368B CN101645368B CN2009100906725A CN200910090672A CN101645368B CN 101645368 B CN101645368 B CN 101645368B CN 2009100906725 A CN2009100906725 A CN 2009100906725A CN 200910090672 A CN200910090672 A CN 200910090672A CN 101645368 B CN101645368 B CN 101645368B
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- pull bar
- connecting lever
- separating brake
- contact
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Abstract
The invention discloses an electric switch provided with a separate arc-extinguishing device. The technical problem to be solved by the invention is to provide an electric switch provided with a separate arc-extinguishing device, having the advantages of simple structure, small size and stable performance. The electric switch provided with the separate arc-extinguishing device comprises a base, a circuit breaker and a connecting rod assembling mechanism. By arranging the unique connecting rod assembling mechanism, the rotating force applied on a transmission shaft can be converted into the vertical force on a first pull rod. Therefore, the electric switch of the invention has the characteristics of simple structure, small size and high connection reliability of each part.
Description
Technical field
The present invention relates to a kind of electric switch, particularly a kind of electric switch that is provided with separately arc-control device.
Background technology
Be applied to the electric switch that is provided with separately arc-control device in the totally-enclosed all insulation SF6 ring main unit in the electric power system,, generally comprise interlock, vacuum arc-extinguishing device and seal several main parts such as the V-type switch.The arc quenching principle of vacuum arc-extinguishing device is for to be sealed in contact in the arc control device of high vacuum, and vacuum high insulating property is come arc extinguishing.Interlock generally comprises the interlocking between two or more parts of operating of contacts mechanism, has guaranteed that the moving contact in the arc control device can pump, and realizes the contact with fixed contact.At present, the interlock of various ways is arranged, but all be complex structure, thereby cause the volume of switch super large, and because parts are more, easier corrupted has reduced useful life of electric switch.
Summary of the invention
The technical problem that the present invention will solve provides the electric switch that is provided with separately arc-control device of a kind of simple in structure, advantages of small volume, stable performance.
A kind of electric switch that is provided with separately arc-control device of the present invention; Comprise pedestal, circuit breaker, connecting rod assemble mechanism; Wherein circuit breaker comprises first pull bar, insulated tension pole, moving conductive rod, vacuum interrupter, contact smallclothes, and the upper end of first pull bar has longitudinal sliding motion hole radially; The contact smallclothes comprise contact spring, two contact rollers, upper contact head spring stop collar, contact spring stop collar down; Upper contact head spring stop collar, contact spring, following contact spring stop collar are enclosed within on first pull bar from top to bottom, and upper contact head spring stop collar withstands the contact roller, and following touch spring stop collar withstands insulated tension pole; The connecting rod assemble mechanism comprises the power transmission shaft that is installed on the pedestal, a pair of switch connecting lever assembly, rotational pin, a pair of supporting bracket; Switch connecting lever assembly comprises hinged switch connecting lever, transmission arm, three-phase connecting lever cast member, and the switch connecting lever is welded on the power transmission shaft, and three-phase connecting lever cast member is two and is set up in parallel and root is cast in two identical three-phase connecting levers together; The upper end and the transmission arm of two three-phase connecting levers are hinged; The lower end of two three-phase connecting levers is provided with horizontal sliding eye radially, and said supporting bracket is fixed on the pedestal, and supporting bracket has oblong slots and circular hole; And be symmetricly set on the outside of contact roller; Rotational pin passes the horizontal sliding eye of the horizontal sliding eye of left oblong slots, left contact roller, left three-phase connecting lever, the longitudinal sliding motion hole of first pull bar, right three-phase connecting lever, right contact roller, right oblong slots successively, and rotational pin can slide in the longitudinal sliding motion hole of the horizontal sliding eye of two three-phase connecting levers and first pull bar, and oblong slots limits the motion of rotational pin.
A kind of electric switch that is provided with separately arc-control device of the present invention; Wherein the connecting rod assemble mechanism also comprises, a pair of buffering connecting lever, a pair of separating brake connecting lever, a pair of minute gate assembly, is arranged on the oil bumper on the pedestal, and the buffering connecting lever is when separating brake; Can contact with oil bumper; Divide gate assembly to comprise that sluice separating spring guide pipe, separating brake pull bar, nut, sluice separating spring, separating brake pull bar guide pipe, separating brake pull bar guide pipe support, wherein separating brake connecting lever, separating brake pull bar, nut from up to down link together, and sluice separating spring is enclosed within on the separating brake pull bar; Sluice separating spring guide pipe and separating brake pull bar guide pipe are cylindrical sleeve; Separating brake pull bar guide pipe supports and has the oblong slots hole, and welds with separating brake pull bar guide pipe, and the separating brake pull bar passes the oval slotted eye of separating brake pull bar guide pipe and the support of separating brake pull bar guide pipe.
A kind of electric switch that is provided with separately arc-control device of the present invention; Also comprise other two groups of identical circuit breakers, other two groups of identical paired switch connecting lever assemblies, other two groups of identical paired supporting brackets, three groups of identical circuit breaker paired switch connecting lever assemblies identical with three groups are arranged side by side at pedestal inner.
Beneficial effect of the present invention is; Electric switch of the present invention has solved that thereby traditional in the past interlock complex structure causes the volume of switch super large and because more, the easier corrupted problem of parts; Through hinged switch connecting lever assembly, change over vertical force to revolving force, thereby it is simple in structure that electric switch of the present invention is had to power transmission shaft to first pull bar; Volume is little; The characteristics that the connection reliability of each parts is high, safety has enough coefficient of safetys through testing 10000 times mechanical endurance.
Below in conjunction with accompanying drawing electric switch of the present invention is further specified.
Description of drawings
Fig. 1 is the front view of electric switch of the present invention;
Fig. 2 is the left view of electric switch of the present invention;
Fig. 3 is the vertical view of electric switch of the present invention;
Fig. 4 is the structural representation of supporting bracket of the present invention;
Fig. 5 is the front view of three-phase connecting lever cast member of the present invention;
Fig. 6 is the right view of three-phase connecting lever cast member of the present invention.
Embodiment
Embodiment 1
As shown in Figure 1, the present invention is provided with separately the electric switch of arc-control device, comprises 101,3 circuit breakers 102 of pedestal, connecting rod assemble mechanism 103.
As shown in Figure 2, each circuit breaker 102 comprises first pull bar 104, insulated tension pole 105, moving conductive rod 106, vacuum interrupter 107 and inner vacuum interrupter moving contact 108 thereof and vacuum interrupter fixed contact 109, contact smallclothes, isolating switch mechanism.First pull bar 104, insulated tension pole 105, moving conductive rod 106, vacuum chamber arc control device moving contact 108 are linked in sequence from top to bottom; Wherein moving conductive rod 106, vacuum interrupter moving contact 108, vacuum interrupter fixed contact 109 upper end that is positioned at vacuum interrupter 107, the first pull bars 104 has longitudinal sliding motion hole 114 radially.The contact smallclothes comprise contact spring 110, two contact rollers 111,111 ', upper contact head spring stop collar 112, contact spring stop collar 113 down; Upper contact head spring stop collar 112, contact spring 110, following contact spring stop collar 113 are enclosed within on first pull bar 104 from top to bottom; Contact roller 111,111 ' is that round-meshed circle rolls; Contact roller 111,111 ' is serially connected in both sides, first pull bar, 104 top through rotational pin 117; 112 of upper contact head spring stop collars are lived contact roller 111,111 ', and following touch spring stop collar 113 withstands insulated tension pole 105.The isolating switch structure comprises isolates fixed contact 132 and isolates fixed contact 133, isolation knife 134, isolation knife promotion assembly 135, quiet end insulator 136 down; Last isolation fixed contact 132 be connected with vacuum interrupter fixed contact 109 through following moving conductive pipe 137; Isolate the lower end of fixed contact 133 and the last end in contact of quiet end insulator 136 down, isolation knife 134 will go up through isolation knife promotion assembly 135 isolates fixed contact 132 and isolates fixed contact 133 connections or closed down.
As shown in Figure 1, connecting rod assemble mechanism 103 comprises that the power transmission shaft that is installed on the pedestal 101 115, three cover switch connecting lever assemblies 116, rotational pin 117, buffering connecting lever 118,118 ', separating brake connecting lever 119,119 ' divide gate assembly 120.Connecting rod assemble mechanism 103 is arranged on the top of three circuit breakers 102; In conjunction with Fig. 3, shown in 4; On the pedestal 101 in the outside of contact roller 111,111 ', a pair of supporting bracket 131,131 ' of symmetric arrangement; Supporting bracket 131,131 ' is fixed on the pedestal 101; Supporting bracket 131,131 ' have oblong slots 138,138 ' with circular hole 139,139 ', oblong slots 138,138 ' is used for passing and playing the guiding role of rotational pin 117, circular hole 139,139 ' is used for fixing three-phase connecting lever 123,123 ' pivot pin 141.In conjunction with Fig. 2 and shown in Figure 3; Switch connecting lever assembly 116 comprises hinged switch connecting lever 121,121 ', transmission arm 122, three-phase connecting lever cast member; Switch connecting lever 121,121 ' is welded on the power transmission shaft 115; In conjunction with Fig. 5 and Fig. 6; Three-phase connecting lever cast member is two and is set up in parallel and root is cast in two identical three-phase connecting levers 123,123 ' together; Two three-phase connecting levers 123,123 ' upper end and transmission arm 122 are hinged; Two three-phase connecting levers 123,123 ' lower end are provided with horizontal sliding eye 124,124 ' radially; Rotational pin 117 passes horizontal sliding eye 124 ', the right contact roller 111 ' of left oblong slots 138, the left contact roller 111 of left supporting bracket 131, the horizontal sliding eye 124 of left three-phase connecting lever, the longitudinal sliding motion hole 114 of first pull bar 104, right three-phase connecting lever, the right oblong slots 138 ' of right supporting bracket 131 ' successively, and rotational pin 117 can slide in the longitudinal sliding motion hole 114 of two three-phase connecting levers 123,123 ' horizontal sliding eye 124,124 ' and first pull bar 104, and oblong slots 138,138 ' limits the motion of rotational pin 117.Oil bumper 126 is arranged on the left side of pedestal 101 upsides, and buffering connecting lever 118,118 ' can contact with oil bumper 126 and produces cushioning effect when separating brake.Divide gate assembly 120 to comprise that sluice separating spring guide pipe 127, separating brake pull bar 128, nut 129, sluice separating spring 130, separating brake pull bar guide pipe 125, separating brake pull bar guide pipe support 140; Wherein separating brake connecting lever 119,119 ', separating brake pull bar 128, nut 129 link together from back to front; Sluice separating spring 130 is enclosed within on the separating brake pull bar 128; Sluice separating spring guide pipe 127 is a cylindrical sleeve with separating brake pull bar guide pipe 125, is used for the guiding of sluice separating spring and separating brake pull bar 128.It is bending plate that separating brake pull bar guide pipe supports 140; Bending plate one face down bonding is connected on the pedestal 101, and the bending plate opposite side has oval slotted eye, and welds with separating brake pull bar guide pipe 125; Separating brake pull bar 128 passes separating brake pull bar guide pipe 125 and supports 140 oval slotted eye with separating brake pull bar guide pipe; Nut 129, sluice separating spring 130 front portions are positioned at guide pipe 127 inside, when separating brake, and pulling separating brake pull bar 128; Separating brake pull bar guide pipe supports 140 and can sluice separating spring 130 be blocked, thereby compression sluice separating spring 130 produces cushioning effect.
The operation principle of connecting rod assemble mechanism is: power transmission shaft 115 rotations; Drive switch connecting lever assembly 116 and produce transverse movement; Because rotational pin 117 can slip in the longitudinal sliding motion hole 114 of two three-phase connecting levers 123,123 ' horizontal sliding eye 124,124 ' and first pull bar 104; Thereby three-phase connecting lever 123,123 ' is produced rotational pin 117 power and drive first pull bar 104 longitudinally; When the action of first pull bar 104, will exert pressure or spur insulated tension pole 105 contact spring 110, spur moving conductive rod 106 at last and reach the closing of switch, branch purpose.
The above embodiment only is that preferred implementation of the present invention is described; Be not that scope of the present invention is limited; Design under the prerequisite of spirit not breaking away from the present invention; The ability those of ordinary skill all should fall in the definite protection range of claims of the present invention the various distortion and the improvement of technical scheme of the present invention.
Claims (3)
1. electric switch that is provided with separately arc-control device; Comprise pedestal (101), circuit breaker (102), connecting rod assemble mechanism (103); It is characterized in that; Said circuit breaker (102) comprises first pull bar (104), insulated tension pole (105), contact smallclothes; The upper end of said first pull bar (104) has longitudinal sliding motion hole (114) radially; Said contact smallclothes comprise contact spring (110), two contact rollers (111,111 '), upper contact head spring stop collar (112), following contact spring stop collar (113); Said upper contact head spring stop collar (112), contact spring (110), following contact spring stop collar (113) are enclosed within on first pull bar (104) from top to bottom; Upper contact head spring stop collar (112) withstands contact roller (111,111 '); Following touch spring stop collar (113) withstands insulated tension pole (105), and said connecting rod assemble mechanism (103) comprises power transmission shaft (115), switch connecting lever assembly (116), rotational pin (117), a pair of supporting bracket (131,131 ') that is installed in (101) on the pedestal, and said switch connecting lever assembly (116) comprises hinged switch connecting lever (121,121 '), transmission arm (122), three-phase connecting lever cast member; Switch connecting lever (121,121 ') is welded on the power transmission shaft (115); Three-phase connecting lever cast member is two and is set up in parallel and root is cast in two identical three-phase connecting levers (123,123 ') together, two three-phase connecting levers (123; 123 ') upper end and transmission arm (122) are hinged; The lower end of two three-phase connecting levers is provided with horizontal sliding eye (124,124 ') radially, and said supporting bracket (131,131 ') is fixed on the pedestal (101), and supporting bracket (131,131 ') has oblong slots (138,138 ') and circular hole (139,139 '); And be symmetricly set on the contact roller outside of (111,111 '); Rotational pin (117) passes horizontal sliding eye (124 '), the right contact roller (111) of the horizontal sliding eye (124) of left oblong slots (138), left contact roller (111), left three-phase connecting lever, the longitudinal sliding motion hole (114) of first pull bar (104), right three-phase connecting lever successively ', right oblong slots (138 '), rotational pin (117) can slide in the longitudinal sliding motion hole (114) of the horizontal sliding eye (124,124 ') of two three-phase connecting levers (123,123 ') and first pull bar (104), oblong slots (138,138 ') limits the motion of rotational pin (117).
2. a kind of electric switch that is provided with separately arc-control device as claimed in claim 1; It is characterized in that; Said connecting rod assemble mechanism also comprises; A pair of buffering connecting lever (118,118 '), a pair of separating brake connecting lever (119,119 '), a pair of minute gate assembly (120,120 '), be arranged on the oil bumper (126) on the pedestal; Said buffering connecting lever (118,118 '), separating brake connecting lever (119,119 '), the staggered certain angle of switch connecting lever (121,121 ') also are welded on the power transmission shaft (115) at interval; Said buffering connecting lever (118,118 ') is when separating brake; Can contact with oil bumper (126), itself and the right side of dividing gate assembly (120) interval to be arranged on pedestal (101) upside, said minute gate assembly (120) comprise sluice separating spring guide pipe (127), separating brake pull bar (128), nut (129), sluice separating spring (130), separating brake pull bar guide pipe (125), separating brake pull bar guide pipe support (140); Wherein separating brake connecting lever (119,119 '), separating brake pull bar (128), nut (129) link together from back to front; Sluice separating spring (130) is enclosed within on the separating brake pull bar (128), and sluice separating spring guide pipe (127) and separating brake pull bar guide pipe (125) are cylindrical sleeve, and separating brake pull bar guide pipe supports (140) and has oval slotted eye; And with separating brake pull bar guide pipe (125) welding, separating brake pull bar (128) passes the oval slotted eye of separating brake pull bar guide pipe (125) and separating brake pull bar guide pipe support (140).
3. a kind of electric switch that is provided with separately arc-control device as claimed in claim 2; It is characterized in that; Also comprise other two groups of identical circuit breakers, other two groups of identical switch connecting lever assemblies, other two groups of identical paired supporting brackets, three groups of identical circuit breaker switch connecting lever assemblies identical with three groups are arranged side by side at pedestal inner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100906725A CN101645368B (en) | 2009-09-02 | 2009-09-02 | Electric switch provided with separate arc-extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100906725A CN101645368B (en) | 2009-09-02 | 2009-09-02 | Electric switch provided with separate arc-extinguishing device |
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| Publication Number | Publication Date |
|---|---|
| CN101645368A CN101645368A (en) | 2010-02-10 |
| CN101645368B true CN101645368B (en) | 2012-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100906725A Active CN101645368B (en) | 2009-09-02 | 2009-09-02 | Electric switch provided with separate arc-extinguishing device |
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| CN (1) | CN101645368B (en) |
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| CN102074410B (en) * | 2011-02-18 | 2013-01-02 | 许昌永新电气股份有限公司 | One-phase vacuum circuit breaker with low operation power |
| CN102299010B (en) * | 2011-08-17 | 2013-09-25 | 山东泰开电力开关有限公司 | Auxiliary switch-off spring structure |
| CN102820626B (en) * | 2012-08-20 | 2015-04-08 | 西安西能电器新技术发展有限公司 | Solid insulation vacuum ring-network cabinet |
| CN106229211A (en) * | 2016-08-31 | 2016-12-14 | 北京双杰电气股份有限公司 | A kind of vacuum load switch device and automatic controlling device |
| CN108597915A (en) * | 2018-04-28 | 2018-09-28 | 福建中能电气有限公司 | A kind of conducting heavy current structure |
| CN114284926B (en) * | 2021-12-27 | 2023-12-15 | 亨斯迈(杭州)电力技术有限公司 | Atmospheric air insulation switch equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055987U (en) * | 1989-01-03 | 1990-04-11 | 航空航天工业部国营燎原机械厂 | Indoor high-pressure vacumm circuit breaker |
| EP0599742A1 (en) * | 1992-11-26 | 1994-06-01 | Schneider Electric Sa | Off-and-on mechanism for an electric medium-high or high voltage circuit breaker |
| CN2279693Y (en) * | 1996-10-04 | 1998-04-22 | 史金生 | High-voltage vacuum breaker |
| CN2814657Y (en) * | 2005-04-02 | 2006-09-06 | 胡光福 | Outdoor vacuum breaker driving and linking device |
| CN101383245A (en) * | 2008-10-17 | 2009-03-11 | 常州太平洋电力设备(集团)有限公司 | Vacuum circuit breaker of switching capacitor group |
| CN201215781Y (en) * | 2008-06-24 | 2009-04-01 | 山东泰开真空开关有限公司 | 40.5kV permanent magnet sealed indoor high-voltage vacuum circuit breaker |
-
2009
- 2009-09-02 CN CN2009100906725A patent/CN101645368B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2055987U (en) * | 1989-01-03 | 1990-04-11 | 航空航天工业部国营燎原机械厂 | Indoor high-pressure vacumm circuit breaker |
| EP0599742A1 (en) * | 1992-11-26 | 1994-06-01 | Schneider Electric Sa | Off-and-on mechanism for an electric medium-high or high voltage circuit breaker |
| CN2279693Y (en) * | 1996-10-04 | 1998-04-22 | 史金生 | High-voltage vacuum breaker |
| CN2814657Y (en) * | 2005-04-02 | 2006-09-06 | 胡光福 | Outdoor vacuum breaker driving and linking device |
| CN201215781Y (en) * | 2008-06-24 | 2009-04-01 | 山东泰开真空开关有限公司 | 40.5kV permanent magnet sealed indoor high-voltage vacuum circuit breaker |
| CN101383245A (en) * | 2008-10-17 | 2009-03-11 | 常州太平洋电力设备(集团)有限公司 | Vacuum circuit breaker of switching capacitor group |
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| Publication number | Publication date |
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| CN101645368A (en) | 2010-02-10 |
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