EP0599742B1 - Mécanisme d'ouverture et de fermeture pour interrupteur électrique moyenne ou haute tension - Google Patents
Mécanisme d'ouverture et de fermeture pour interrupteur électrique moyenne ou haute tension Download PDFInfo
- Publication number
- EP0599742B1 EP0599742B1 EP19930420453 EP93420453A EP0599742B1 EP 0599742 B1 EP0599742 B1 EP 0599742B1 EP 19930420453 EP19930420453 EP 19930420453 EP 93420453 A EP93420453 A EP 93420453A EP 0599742 B1 EP0599742 B1 EP 0599742B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- auxiliary
- contact
- circuit
- movable
- main
- 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
Links
- 230000007246 mechanism Effects 0.000 title claims description 17
- 229910018503 SF6 Inorganic materials 0.000 description 5
- 230000010363 phase shift Effects 0.000 description 5
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 5
- 229960000909 sulfur hexafluoride Drugs 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 241001644893 Entandrophragma utile Species 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229940082150 encore Drugs 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
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
- H01H33/02—Details
- H01H33/04—Means for extinguishing or preventing arc between current-carrying parts
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
-
- 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
- H01H33/666—Operating arrangements
- H01H2033/6667—Details concerning lever type driving rod arrangements
-
- 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
- H01H33/12—Auxiliary contacts on to which the arc is transferred from the main contacts
- H01H33/121—Load break switches
- H01H33/122—Load break switches both breaker and sectionaliser being enclosed, e.g. in SF6-filled container
-
- 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
- H01H33/666—Operating arrangements
-
- 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
- H01H33/666—Operating arrangements
- H01H33/6661—Combination with other type of switch, e.g. for load break switches
Definitions
- the invention relates to a medium or high electric switch or circuit breaker voltage.
- the invention aims to remedy these drawbacks.
- the switch further comprises a second auxiliary circuit, by example a vacuum interrupter, arranged in parallel with said main circuit and said auxiliary circuit, and provided with arcing contacts.
- a second auxiliary circuit by example a vacuum interrupter, arranged in parallel with said main circuit and said auxiliary circuit, and provided with arcing contacts.
- the invention applies in particular to switches and circuit breakers in which the main circuit and the auxiliary circuit is immersed in an insulating gas with dielectric strength high, such as sulfur hexafluoride (SF6), the second auxiliary circuit being consisting of a vacuum interrupter which also bathes in insulating gas.
- an insulating gas with dielectric strength high such as sulfur hexafluoride (SF6)
- SF6 sulfur hexafluoride
- the second auxiliary circuit being consisting of a vacuum interrupter which also bathes in insulating gas.
- the tight or non-sealed enclosure 4 of the switch is filled with air or a gas dielectric such as sulfur hexafluoride (SF6) and has an arrival range of current 1 and a starting range of current 2.
- the arrival range 1 is divided into three conductive branches 1a, 1b and 1c.
- the two branches 1a and 1b carry respectively at their end two fixed main contacts 30a and 30b, while the branch lc carries at its end a fixed auxiliary contact 35.
- the fixed main contacts 30a and 30b are capable of cooperating with contacts main mobiles 20a and 20b pivotally mounted about an axis 3; the contact fixed auxiliary 35 cooperates with a movable auxiliary contact 25, also mounted at pivot around axis 3.
- the axis 3 is carried by two fixed conductive branches 2a and 2b which meet at the level of the starting range 2.
- the movable auxiliary contact 25 is electrically connected to the branches 2a and 2b, therefore to the start 2, by means of an electrical connection 4.
- the auxiliary circuit formed by the auxiliary contacts 25, 35 is therefore arranged in parallel to the main circuit formed by the main contacts 20a, 20b, 30a and 30b.
- two plates 28a and 28b arranged on either side of the contact mobile auxiliary 25, also pivotally mounted about the axis 3, traversed by the drive rod and biased towards each other by means of a spring 27 disposed on an axis 29, each carry two hemispherical housings 26a and 26b.
- a ball 26 housed in a bore in the movable auxiliary contact 25, is maintained in one or the other pair of housings 26a or 26b.
- the assembly formed by the movable auxiliary contact 25, the two plates 28a and 28b, the housings 26a and 26b, the spring 27 and the ball 26, constitute a mechanism for ball lock with two pseudo-stable positions, which allows the introduction of variations in relative angular positions between the main contacts on the one hand mobile 20a, 20b and secondly the mobile auxiliary contact 25.
- a third electrical circuit comprising a vacuum interrupter 15 known per se, connected on the one hand to track 1 by the electrical connection 16, and on the other hand to track 2 by electrical connection 19, is arranged in parallel to the main and auxiliary circuits.
- the movable rod 14 of the vacuum interrupter 15 is connected by a connecting rod 11 fitted with a spring 12 to the crank 9.
- the spoiler 25a In the open position of the switch ( Figure 3), the spoiler 25a is in abutment on a fixed stop 5 and the ball 26 is positioned in the housings 26a of the two plates 28a and 28b. In other words, the movable auxiliary contact 25 is ahead of the main mobile contacts 20a and 20b.
- crank 9 In order to close the switch ( Figure 4), the crank 9 is rotated around the axis 10.
- the crank 9 drives the connecting rod 7, the drive rod 6 and by the even the two movable main contacts 20a and 20b and the two plates 28a and 28b. These in turn drive, through the ball locking mechanism, the movable auxiliary contact 25.
- the movable auxiliary contact 25 comes into contact with the contact fixed auxiliary 15, the main contacts being always open.
- the switch is equipped with the third circuit electric comprising the vacuum interrupter 15, the drive of the crank 9 control simultaneously opening and closing the vacuum interrupter 15.
- the crank 9 and the connecting rod 11 forms a toggle mechanism, so that the closure of the contacts 15a and 15b of the bulb 15 is done only during the opening maneuvers and closing the switch ( Figures 4 and 6). In stable open or closed positions, the contacts 15a and 15b of the vacuum interrupter 15 remain open ( Figures 3 and 5).
- Figure 7 gives an illustration of an opening and closing diagram of the three electrical circuits (main, auxiliary, vacuum interrupter) as a function of time.
- O open stable position
- the three circuits are naturally open.
- Auxiliary contacts can be made of an arc-resistant material, and with possible compensation against their wear.
- the preferred example described above is particularly well suited to a switch medium voltage or very high voltage, in which the sealed enclosure 1 is filled a dielectric gas such as SF6; the vacuum interrupter 15 will then bathe in this gas dielectric as already proposed in French patent FR-A-2,655,766.
- a dielectric gas such as SF6
- FIGS. 8 to 12 illustrate the claimed invention; their reference numbers are identical to those of the example described above with reference to FIGS. 1 to 7, for the common elements.
- the drive rod 6 passes through the movable main contact 20a and is connected to the crank 9 by means of a connecting rod 7 articulated on the axis 8.
- a second drive rod 6a passes through the movable auxiliary contact 25 and is connected to the crank 9 by means of a second connecting rod 7a articulated on the axis 8a.
- the two rod-crank systems 7 and 7a being distinct and different, it becomes possible to introduce a continuous variation of the angular phase shift between the main contact mobile 20a and the mobile auxiliary contact 25 when the crank 9 is rotated.
- open position of the switch ( Figure 9) the movable main contact 20a is substantially in phase with the mobile auxiliary contact 25.
- the movable auxiliary contact 25 is respectively in advance or behind the moving main contact 20a. Therefore the cycles opening (O) and closing (F) of the switch shown in Figure 12 are symmetrical.
- Figure 11 shows the switch in the closed position.
- a third electrical circuit comprising a vacuum bulb 15 is arranged in parallel with respect to the main and auxiliary circuits.
- the opening and closing diagram ( Figure 12) remains perfectly symmetrical.
- the bulb circuit at vacuum will close first, followed by closing the auxiliary circuit, then the circuit main, and finally the bulb will open again.
- the bulb circuit will close first, followed by the main circuit, then the auxiliary circuit, and finally the bulb will open at new.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Description
un circuit principal doté d'au moins un contact principal fixe et d'au moins un contact principal mobile monté à pivotement autour d'un axe;
- un circuit auxiliaire, encore appelé circuit de shuntage, disposé en parallèle par rapport au circuit principal et doté d'un contact auxiliaire fixe et d'un contact auxiliaire mobile monté à pivotement sur le même axe;
- un mécanisme d'entraínement destiné à entraíner simultanément en rotation autour de l'axe en question, le contact principal mobile et le contact auxiliaire mobile.
- La figure 1 est une vue schématique latérale d'un exemple utile à la compréhension de l'invention.
- La figure 2 est une vue schématique de face du circuit principal et du circuit auxiliaire de l'exemple selon la figure 1.
- Les figures 3 à 6 illustrent le fonctionnement de l'exemple selon les figures 1 et 2, l'interrupteur se trouvant respectivement en position ouverte (figure 3), puis en cours de fermeture (figure 4), puis en position fermée (figure 5), et enfin en cours d'ouverture(figure 6).
- La figure 7 illustre un diagramme possible en ce qui concerne les séquences d'ouverture et de fermeture de l'interrupteur selon cet exemple. Etant précisé que les figures 1 à 7 montrent des exemples utiles à la compréhension de l'invention.
- La figure 8 est une vue schématique latérale d'un mode de réalisation de l'invention.
- Les figures 9 à 11 illustrent le fonctionnement du mode de réalisation selon la figure 8, l'interrupteur se trouvant respectivement en position ouverte (figure 9), en cours de fermeture ou d'ouverture, (figure 10), et enfin en position fermée, (figure 11).
- La figure 12 illustre un diagramme possible en ce qui concerne les séquences d'ouverture et de fermeture de l'interrupteur selon le mode de réalisation. Etant précisé que les figures 8 à 12 portent sur l'invention revendiquée.
Claims (7)
- Interrupteur électrique comprenant :un circuit principal doté d'au moins un contact principal fixe (30a, 30b) et d'au moins un contact principal mobile (20a, 20b) monté à pivotement autour d'un axe (3);un circuit auxiliaire disposé en parallèle par rapport au circuit principal et doté d'un contact auxiliaire fixe (35) et d'un contact auxiliaire mobile (25) articulé autour dudit axe (3);un mécanisme d'entraínement (6 à 10) destiné à entraíner simultanément en rotation autour dudit axe (3), le contact principal mobile et le contact auxiliaire mobile, ledit mécanisme d'entraínement incluant un mécanisme de déphasage angulaire variable (26, 28a, 28b ; 6a, 7a, 8a, 9, 10) apte à faire varier les positions angulaires relatives du contact auxiliaire mobile et du contact principal mobile lors des manoeuvres de l'interrupteur, caractérisé par le fait que ledit mécanisme de déphasage angulaire comprend deux mécanismes bielle-manivelle simultanément entraínés par un arbre moteur commun, un premier mécanisme bielle-manivelle (6, 7, 8) associé au contact principal mobile et un second mécanisme bielle-manivelle associé (6a, 7a, 8a) au contact auxiliaire mobile, de manière à autoriser des variations continues du déphasage angulaire lors des manoeuvres de l'interrupteur.
- Interrupteur selon la revendication 1, caractérisé par le fait que ledit circuit principal et ledit circuit auxiliaire baigne dans un gaz à forte tenue diélectrique tel que le SF6.
- Interrupteur selon l'une quelconque des revendications 1 ou 2, caractérisé par le fait qu'il comprend en outre un second circuit auxiliaire (15) disposé en parallèle avec ledit circuit principal et ledit circuit auxiliaire, et doté de contacts d'arc.
- Interrupteur selon la revendication 3, caractérisé par le fait que ledit second circuit auxiliaire comprend un contact d'arc mobile et un contact d'arc fixe, que lors d'une manoeuvre de fermeture, la fermeture des contacts d'arc s'effectue avant la fermeture des contacts auxiliaires, et que lors d'une manoeuvre d'ouverture l'ouverture des contacts auxiliaires précède l'ouverture des contacts d'arc.
- Interrupteur selon l'une des revendications 3 ou 4 caractérisé par le fait que ledit second circuit auxiliaire (15) baigne également dans un gaz à forte tenue diélectrique tel que le SF6.
- Interrupteur selon l'une des revendications 3 ou 4, caractérisé par le fait que ledit second circuit auxiliaire est constitué par une ampoule à vide.
- Interrupteur selon l'une quelconque des revendications 1 à 6, caractérisé par le fait qu'il constitue le circuit d'interruption d'un disjoncteur moyenne tension.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9214356 | 1992-11-26 | ||
FR9214356 | 1992-11-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0599742A1 EP0599742A1 (fr) | 1994-06-01 |
EP0599742B1 true EP0599742B1 (fr) | 1999-01-20 |
Family
ID=9436018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19930420453 Expired - Lifetime EP0599742B1 (fr) | 1992-11-26 | 1993-11-16 | Mécanisme d'ouverture et de fermeture pour interrupteur électrique moyenne ou haute tension |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0599742B1 (fr) |
JP (1) | JPH06236717A (fr) |
CN (1) | CN1034304C (fr) |
CA (1) | CA2109986A1 (fr) |
DE (1) | DE69323160T2 (fr) |
ES (1) | ES2130239T3 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101964271A (zh) * | 2010-09-28 | 2011-02-02 | 丹东供电设备厂 | 高压切换转移电流装置 |
CN101494133B (zh) * | 2009-02-25 | 2011-08-24 | 谢翠斌 | 高压真空永磁断路器手动合闸、分闸及其锁扣保护装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19613568A1 (de) * | 1996-04-04 | 1997-10-09 | Asea Brown Boveri | Leistungsschalter |
DE10229096A1 (de) * | 2002-06-25 | 2004-01-29 | Siemens Ag | Verschleißanzeige für eine Vakuumschaltröhre |
KR101064743B1 (ko) * | 2005-11-23 | 2011-09-15 | 현대중공업 주식회사 | 가스절연 차단기의 스위칭 메카니즘 |
DE102008048828A1 (de) * | 2008-09-22 | 2010-04-08 | Siemens Aktiengesellschaft | Verfahren zum Ermitteln und/oder zum Einstellen eines Hubes von Betätigungselementen |
CN101645368B (zh) * | 2009-09-02 | 2012-08-15 | 北京双杰电气股份有限公司 | 一种单独带有灭弧装置的电开关 |
JP5452555B2 (ja) * | 2011-08-29 | 2014-03-26 | 株式会社日立製作所 | スイッチギヤ及びスイッチギヤの操作方法 |
FR2980632B1 (fr) * | 2011-09-23 | 2013-09-13 | Schneider Electric Ind Sas | Dispositif de coupure avec enceinte de gaz fluore, sectionneur et ampoule a vide |
FR2980633B1 (fr) * | 2011-09-27 | 2013-09-06 | Schneider Electric Ind Sas | Appareillage de distribution electrique moyenne tension |
CN102403160B (zh) * | 2011-11-29 | 2014-03-12 | 浙江开关厂有限公司 | 快速三工位隔离开关 |
CN102983038A (zh) * | 2012-11-28 | 2013-03-20 | 西安爱尔发开关有限公司 | 一种带有o字型电动力补偿装置的高压真空断路器 |
CN103983448B (zh) * | 2014-05-27 | 2017-10-31 | 江苏森源电气股份有限公司 | 机械特性在线检测装置 |
CN105845494B (zh) * | 2015-01-15 | 2019-05-10 | 施耐德电器工业公司 | 分流断路系统 |
CN107086146B (zh) * | 2017-05-24 | 2019-10-18 | 句容市福润电气有限公司 | 一种闸合稳定的户内高压接地开关装置 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3215803A (en) * | 1962-12-31 | 1965-11-02 | Allis Chalmers Mfg Co | Contact structure for circuit breaker |
FR2494493A1 (fr) * | 1980-11-17 | 1982-05-21 | Merlin Gerin | Disjoncteur electrique a autosoufflage par rotation de l'arc |
FR2508229A1 (fr) * | 1981-06-23 | 1982-12-24 | Jaeger | Commutateur rotatif a rotation bidirectionnelle |
FR2655766B1 (fr) * | 1989-12-11 | 1993-09-03 | Merlin Gerin | Disjoncteur hybride moyenne tension. |
US5160817A (en) * | 1990-11-21 | 1992-11-03 | Automatic Switch Company | Electrical switch contact arrangement having quick break arcing contacts |
-
1993
- 1993-11-16 ES ES93420453T patent/ES2130239T3/es not_active Expired - Lifetime
- 1993-11-16 EP EP19930420453 patent/EP0599742B1/fr not_active Expired - Lifetime
- 1993-11-16 DE DE1993623160 patent/DE69323160T2/de not_active Expired - Fee Related
- 1993-11-25 JP JP5295097A patent/JPH06236717A/ja active Pending
- 1993-11-25 CA CA 2109986 patent/CA2109986A1/fr not_active Abandoned
- 1993-11-25 CN CN93114748A patent/CN1034304C/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101494133B (zh) * | 2009-02-25 | 2011-08-24 | 谢翠斌 | 高压真空永磁断路器手动合闸、分闸及其锁扣保护装置 |
CN101964271A (zh) * | 2010-09-28 | 2011-02-02 | 丹东供电设备厂 | 高压切换转移电流装置 |
CN101964271B (zh) * | 2010-09-28 | 2012-08-15 | 丹东供电设备厂 | 高压切换转移电流装置 |
Also Published As
Publication number | Publication date |
---|---|
CN1089389A (zh) | 1994-07-13 |
CN1034304C (zh) | 1997-03-19 |
JPH06236717A (ja) | 1994-08-23 |
DE69323160D1 (de) | 1999-03-04 |
EP0599742A1 (fr) | 1994-06-01 |
CA2109986A1 (fr) | 1994-05-27 |
ES2130239T3 (es) | 1999-07-01 |
DE69323160T2 (de) | 1999-09-02 |
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