CN1037040C - Single pole sub-connecting switch with linear contact - Google Patents
Single pole sub-connecting switch with linear contact Download PDFInfo
- Publication number
- CN1037040C CN1037040C CN94105447A CN94105447A CN1037040C CN 1037040 C CN1037040 C CN 1037040C CN 94105447 A CN94105447 A CN 94105447A CN 94105447 A CN94105447 A CN 94105447A CN 1037040 C CN1037040 C CN 1037040C
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- contact
- switch
- driven member
- vacuum switch
- vacuum
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model relates to a linear contact monopole tap changing switch. The switch mechanism comprises a lifting sliding frame which is directly driven by a silk pole and a bouncing follow driven piece. The driven piece is connected with a loading circuit via a serial circuit which is formed by two vacuum switches. The simultaneous operation of the two vacuum switches is implemented by two corresponding rods which independently support on a separated rotating fulcrum.
Description
The present invention relates to a kind of single pole sub-connecting switch that is used for adjustable transformer, adopt fixing minute contact point of linear configurations, a kind of like this shunting switch is disclosed among the DE4237165.
A kind of orthoscopic shunting switch has been described in this document, it realizes stepping stepping selection and load transfer by linear contact arrangement and operation, as shown in Figure 5 and Figure 6, this shunting switch comprises a shell 1, vertically install and fix branch contact point 2 at its end face, it comprises two contact components 2.1 and 2.2 that extend parallel to each other in the shunting switch.Introduce shell 1 from top by the drive lead screw 4 that transmission device 3 is drawn.In a side opposite with fixed contact 2 of shell 15, two guide rails 6 of two curve rulers and a branch rail 7 of vertical extension are installed, its function will be in hereinafter describing in detail.This shunting switch also comprises a spring energy storage device, and it is made up of a tubulose lifting balladeur train 8, and this balladeur train is centered on by stage clip 9, and it is around drive lead screw 4, is driven by drive lead screw 4.Be installed on the lifting balladeur train 8 to auxiliary contact component 10 insulation of a preliminary election, a contact component 2.1, the one vertical releasing parts 20 that extend that this auxiliary contact component 10 covers the fixed contact of selecting 2 also are installed on the lifting balladeur train 8 with insulating.Spring energy storage device comprises that also one is the driven member 11 of U type substantially.Fixing whole part of this driven member 11 comprises switch contact 12, it connects each fixing another contact component 2.2 that divides contact point 2 respectively, first vacuum switch 13 and second vacuum switch 14, the conductor rail 15 of a conduction, be used to handle the roller 24,25 and the elbow shaped rod 26,27 of vacuum switch 13,14, the shunt contact knife 18 that is connected with minute rail 7, and at least one switching resistance 19, these parts are finished the motion of flip-over type after discharging.
Above-mentioned building block and miscellaneous part will be described in detail in conjunction with the working method according to shunting switch of the present invention hereinafter.
When carrying out switch, drive lead screw 4 is finished a rotation, drives tubulose lifting balladeur train 8 motion up or down continuously around this drive lead screw, and travel direction is determined by rotation direction.Make the stage clip 9 that is contained on upper support point 9.1 or the lower support point 9.2 compacted like this; Spring energy storage device is tightened up.
When the lifting sledge movements, a roller 21 that discharges latch 22 of driven member 11 moves along the releasing parts 20 that also moves at vertical direction with respect to the driven member 11 that still remains static, and this releasing parts has inclined-plane 20.1 and 20.2.
Simultaneously, the auxiliary contact component 10 of preliminary election that is connected with 8 insulation of lifting balladeur train regularly also moves; It leaves fixing minute original contact point 2 and the next position of contact thereon or fixing minute contact point under it.The other end CONTACT WITH FRICTION rail 15 of the auxiliary contact component 10 of preliminary election, this conductor rail 15 links to each other with vacuum switch 13 through at least one switching resistance 19.Then, roller 21 arrives inclined-plane 20.1 or 20.2; Discharge latch 22 along continuous straight runs and move to guide rail 6 from application position 23, whole driven member 11 flip-over type ground are with 8 motions of lifting balladeur train.Here, guide rail 6 carries out the vertical control of machinery.
Switch contact 12 also leaves former fixing minute contact point 2 from now on and contacts the contact portion of newly dividing contact point, and auxiliary contact component 10 has contacted another contact portion of this new minute contact point. and auxiliary contact component 10 is connected with load along separate routes by the series circuit of conductor rail via at least one transfer resistance 19 and first vacuum switch composition.Switch contact 12 also also is connected with load with dividing rail with coupled shunt contact knife 18 thus along separate routes through second vacuum tube.
The superiority of this stepping formula load transfer is vacuum switch can be used as the switch that allows to flow through large load current, and described shunting switch can directly be contained on the transformer of dry-type transformer or casting resin.
But arc reignition that this shunting switch takes place in the time of can not tripping to the vacuum switch that cut-offs load current or vacuum loss and other fault provide protection.
We advise for this reason, also continue to be connected in series a preferably identical vacuum switch of structure on the through-flow vacuum switch at the connection load current, and these two vacuum switches almost move simultaneously.
The objective of the invention is this single pole sub-connecting switch is improved, can rationally insert the 3rd vacuum switch, and the operation that can make two vacuum switches in the load circuit that is serially connected in shunting switch is more simplified and reliable, particularly under the situation of the different pittings of contacts of stepping, can be similar to and operate two above-mentioned vacuum switches in the same manner.
For this reason, the invention provides a kind of single pole sub-connecting switch with linear contact, wherein fixing divide contact point along the straight line track configurations in switch inside, and can be by a slidably switching mechanism realization switching, this mechanism is driven by a driving shaft that is connected with turn-screw, but this switching mechanism comprises the lifting balladeur train and the driven member that relies on this lifting sliding rail by means of known spring energy storage device drawing that are directly driven continuously by turn-screw, this driven member after release flip-over type along with lifting balladeur train action, this lifting balladeur train is connected with a previously selected auxiliary contact component, this contact component can divide in the contact point each to contact with fixing, and by at least one the switching resistance be connected with the branch road of load with one first switch, wherein driven member and a switch contact are fixedly connected, and this switch contact also can contact with in the fixing branch contact point each.
It is characterized in that,
Described driven member is connected with load branch by a series circuit that is made of second vacuum switch and the 3rd vacuum switch, two bars of coordinating mutually are housed on driven member, be used for operating in the second and the 3rd vacuum switch of load branch, these two bars are supported by the pivot point that separates respectively independently, first bar utilizes a roller by a curve ruler control operation, thereby drive the action bars of second vacuum switch, on the free end of first bar, have one and rotate contact-making surface, it can with the corresponding rotation contact-making surface coordination of second bar, the another side of second bar is operated the 3rd vacuum switch by an action bars that stretches out.
The advantage of the shunting switch that the present invention constitutes at first is; by two vacuum switches of serial connection in load branch; for preventing that one of these two vacuum switches from maximum reliably protecting taking place to interrupt providing; and need not to change switch operation or switching manipulation, also needn't change cordwood monopolar configuration from principle.
Utilize the selectivity operation of two elbow shaped rods of coordinating mutually in addition, wherein first bar is operated second vacuum switch, this bar is directly by curve ruler (remaining unchanged) manipulation, its opposite side affacts independently on second bar, second bar is operated the 3rd vacuum switch, and have at two vacuum switches under the situation of adjustable different pitting of contacts or contact wear, can guarantee operation reliably.
Further describe the present invention below in conjunction with drawings and Examples.
The embodiment vertical view of Fig. 1 shunting switch of the present invention,
Vertical view of the last figure A-A of Fig. 2 section,
The circuit diagram of this shunting switch of Fig. 3.
The switching manipulation figure that Fig. 4 is correlated with,
The vertical view of the shunting switch of Fig. 5 prior art,
Shunting switch among Fig. 6 Fig. 5 is along vertical view of A-A section.
Shunting switch shown in Figure 1 adds one the 3rd vacuum switch 28, it is with first vacuum switch 13, second vacuum switch 14, switch contact 12, conduction conductor rail 15, roller 24,25 is used to operate the elbow shaped rod 26,27,29 of vacuum switch 13,14,28, and contact knife 18 and at least one effective resistance 19 are the same along separate routes fixedlys connected with driven member 11.
Fig. 2 is used for illustrating the operation of two vacuum switches 14,28 that are connected in series of the embodiment of shunting switch of the present invention in load branch.
Utilize the gap that under static state, has between the corresponding rotation contact-making surface 274,294 of two bars 27,29, can be slightly early than the 3rd vacuum switch 28 operations second vacuum switch 14, as shown in Figure 4.Utilize the bar 27,29 of these two correspondences can realize the selectable operation of vacuum switch 14,28, like this, on the one hand by selecting suitable lever transmission ratio can make action bars 273,293 have identical vertical orbit, can under having the situation of different otch scaling loss or wearing and tearing, two vacuum switches 14,28 finish definite switch motion on the other hand.
Load current path along separate routes total in shunting switch of the present invention is: from the fixing contact component 2.2 that divides contact point 2, via switch contact 12, guiding connections 30 to the 3rd vacuum switches 28, then guide to second vacuum switch 14 through conducting electricity the soft bridge that touches again, receive on the load branch rail 7 along separate routes by shunt contact knife 18, this current path can be known from Fig. 3 and find out again.
By the above description of this invention in conjunction with the embodiments, the substantive technical characterictic that the present invention is different from prior art is conspicuous.
Claims (1)
- Single pole sub-connecting switch with linear contact, wherein fixing divide contact point along the straight line track configurations in switch inside, and can be by a slidably switching mechanism realization switching, this mechanism is driven by a driving shaft that is connected with drive lead screw, but this switching mechanism comprises the lifting balladeur train and the driven member that relies on this lifting sliding rail by means of known spring energy storage device drawing that are directly driven continuously by drive lead screw, this driven member after release flip-over type along with lifting balladeur train action, this lifting balladeur train is connected with a previously selected auxiliary contact component, this contact component can divide in the contact point each to contact with fixing, and by at least one the switching resistance be connected with the branch road of load with one first switch, wherein driven member and a switch contact are fixedly connected, this switch contact also can contact with in the fixing branch contact point eachIt is characterized in that,Described driven member (11) is connected with load branch with the series circuit that the 3rd vacuum switch (28) constitutes by second vacuum switch (14) by one, two bars of coordinating mutually (27 are housed on driven member (11), 29), be used for operating in the second and the 3rd vacuum switch (14 of load branch, 28), these two bars are respectively independently by the pivot point (271 that separates, 291) support, first bar (27) utilizes a roller (25) by a curve ruler (5) control operation, thereby drive the action bars (273) of second vacuum switch (14), on the free end of first bar, have one and rotate contact-making surface (274), it can with corresponding rotation contact-making surface (294) coordination of second bar (29), the another side of second bar is by an action bars that stretches out (293) operation the 3rd vacuum switch (28).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEP4315081.0 | 1993-05-06 | ||
| DE19934315081 DE4315081A1 (en) | 1992-11-04 | 1993-05-06 | Single-pole stepping switch having linear contact operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1105774A CN1105774A (en) | 1995-07-26 |
| CN1037040C true CN1037040C (en) | 1998-01-14 |
Family
ID=6487387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94105447A Expired - Fee Related CN1037040C (en) | 1993-05-06 | 1994-04-20 | Single pole sub-connecting switch with linear contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1037040C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104246949A (en) * | 2012-04-20 | 2014-12-24 | 赖茵豪森机械制造公司 | On-load tap changer |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013102299B4 (en) * | 2013-03-08 | 2014-12-04 | Maschinenfabrik Reinhausen Gmbh | linear voters |
| CN103337382B (en) * | 2013-07-12 | 2015-05-13 | 广州市德百顺电气科技有限公司 | Vacuum bubble switching mechanism and on-load tap-changer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3344376A1 (en) * | 1983-12-08 | 1985-06-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Vacuum switch |
| DE4237165C1 (en) * | 1992-11-04 | 1994-03-17 | Reinhausen Maschf Scheubeck | Single-pole tap changer with linear contact actuation for a tap transformer |
-
1994
- 1994-04-20 CN CN94105447A patent/CN1037040C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3344376A1 (en) * | 1983-12-08 | 1985-06-13 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Vacuum switch |
| DE4237165C1 (en) * | 1992-11-04 | 1994-03-17 | Reinhausen Maschf Scheubeck | Single-pole tap changer with linear contact actuation for a tap transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104246949A (en) * | 2012-04-20 | 2014-12-24 | 赖茵豪森机械制造公司 | On-load tap changer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1105774A (en) | 1995-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 19980114 Termination date: 20100420 |