EP0211287A2 - Entrainement à ressort tendu pour un interrupteur électrique - Google Patents
Entrainement à ressort tendu pour un interrupteur électrique Download PDFInfo
- Publication number
- EP0211287A2 EP0211287A2 EP86109779A EP86109779A EP0211287A2 EP 0211287 A2 EP0211287 A2 EP 0211287A2 EP 86109779 A EP86109779 A EP 86109779A EP 86109779 A EP86109779 A EP 86109779A EP 0211287 A2 EP0211287 A2 EP 0211287A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- spring
- shaft
- crank
- switch
- loaded
- 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.)
- Withdrawn
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
- H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
- H01H3/3042—Power arrangements internal to the switch for operating the driving mechanism using spring motor using a torsion spring
Definitions
- the invention relates to a spring-loaded drive for an electrical switch according to the preamble of claim 1.
- Such a spring-loaded actuator is known from Siemens operating instructions no. SW 8378a-220 from August 1982 for switch disconnectors 3 CB on pages 100/5 and in particular 104/1 to 104/7 as actuator S mounted on the side.
- two separate spring arrangements with coil springs are provided for switching on and off common drive flange via lever and jack arrangements, auxiliary shafts, linkage arrangements and one-way clutches are coupled in such a way that, when switched on, both spring arrangements are tensioned simultaneously by adjusting the drive flange in one direction until a dead center position is reached, when this is exceeded the switch-on spring arrangement can relax and brings the switch into the "on" position, while the switch-off spring arrangement is kept in the tensioned state.
- the tensioned switch-off spring arrangement is released and returns the switch to the "off" position.
- the known spring-loaded drive can only carry out two switching operations per storage operation and, because of the simultaneous tensioning of both spring arrangements, requires a correspondingly high expenditure of energy and complex and carefully coordinated auxiliary devices of the type mentioned.
- a separate spring-loaded drive is provided as a spring drive with a coil spring arrangement.
- the spring arrangement is tensioned and the energy is stored until the drive flange in the opposite direction is rotated, whereupon it suddenly discharges after overcoming the dead center and brings the earthing switch into the "on” position. Locking both spring-loaded actuators is not possible.
- the invention has for its object to provide a simple, safe working spring-loaded actuator for more than one switching operation after tensioning the spring-loaded arrangement with only a single spring arrangement.
- the spring-loaded actuator can be designed such that after tensioning the torsion spring mechanism, when the switch is not actuated, the spring-loaded actuator has at least two switching operations at ent speaking dimensioning of the torsion spring mechanism can also make further switching operations.
- the torsion spring mechanism can contain a spiral spring arrangement or have tension springs acting on a rotating body.
- the crank pin 2A is directed parallel to the shaft 1A, which in turn extends parallel to an indicated switch shaft 4, to which a driver 3 is connected at a right angle to prevent rotation.
- the driver 3 has an elongated pin guide 3A for the crank pin 2A, the length of which is adapted to the diameter of the pin adjustment circle.
- the crank length is smaller than the distance of the switch shaft 4 from the shaft 1A, the ratio of the crank length to the distance between the shaft and the switch wave the adjustment angle ⁇ of the switch shaft from one switching position to the other as well as the unequal adjustment angles ⁇ and ⁇ of the crank from one switching position to the other and back to the original switching position.
- the center line of the driver 3 affects the pin adjustment circle.
- the crank 2 is locked in the switching positions by locking members 5 and 6, which are disengaged from the crank pin 2A in the direction of the arrow and return to the locked position after passing the crank pin.
- the spring mechanism 1 with its shaft 1A including crank 2 and crank pin 2A as well as the switch shaft 4 including driver 3 can be rotated and the locking members 5, 6 are displaceably mounted in a common frame, not shown.
- the drive gear 7 and the driven gear 8 are in mesh with one another in a frame 9 and a frame part 9A parallel to the longitudinal sides thereof Shaft 1A or the output shaft 8A rotatably mounted.
- pins 5A, 6A are arranged in certain angular positions relative to one another, which are held in releasable engagement with the adjustable locking members (not shown) in the "on" or "off" position of the switch shaft 4.
- a spring-loaded drive for switches with three different switching positions is shown, which has two cranks 2, 2 ', which can be adjusted in opposite directions, on output shafts 8A, 8A' of two identical output gears 8, 8 'rolling on top of one another, which are driven by a common drive gear 7 are driven by means of the torsion spring mechanism 1 connected thereto.
- the switch shaft 4 lies on the tangent through the point of contact (line) of both output gears.
- crank pin 2A In the position shown, the crank pin 2A is in engagement with the driver 3, whereas the crank pin 2A 'remains out of engagement with the driver 3'. With this coupling, only the switch positions “on” and “off” can be achieved after the pins 5A, 6A on the driven gear 8 'have been released by the locking elements 5, 6, not shown, corresponding to FIGS. 1 and 2.
- crank pin 2A When the sliding frame 10 is axially displaced against the frame 9 in the direction of the arrow, the crank pin 2A disengages from the driver 3 and, in the illustrated central position (“off” position), the crank pin 2A ′ simultaneously engages with the driver 3 ′, the switching position "Off” and "Grounded” are reached.
- the torsion spring mechanism 1 is arranged outside the frame 9 and either st arr connected to the shaft 1A or in a manner not shown coupled only in the direction of rotation with this.
- the embodiment according to FIG. 6 or FIG. 4 can also be used without a transmission gear if the torsion spring mechanism 1 is coupled directly to the output shaft 8A or 8A 'while the drive gear 7 is omitted.
- the pins 5A, 6A can also be attached to the driven gear 8 in FIG. 6.
Landscapes
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Mechanisms For Operating Contacts (AREA)
- Keying Circuit Devices (AREA)
- Oscillators With Electromechanical Resonators (AREA)
- Surgical Instruments (AREA)
- Sink And Installation For Waste Water (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3527126 | 1985-07-29 | ||
DE3527126 | 1985-07-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0211287A2 true EP0211287A2 (fr) | 1987-02-25 |
EP0211287A3 EP0211287A3 (fr) | 1989-03-08 |
Family
ID=6277070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86109779A Withdrawn EP0211287A3 (fr) | 1985-07-29 | 1986-07-16 | Entrainement à ressort tendu pour un interrupteur électrique |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0211287A3 (fr) |
JP (1) | JPS6334819A (fr) |
DE (1) | DE8521827U1 (fr) |
NO (1) | NO862932L (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2507375Y2 (ja) * | 1990-10-30 | 1996-08-14 | エナジーサポート株式会社 | 開閉器における開閉操作機構の連結構造 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972298C (de) * | 1940-05-08 | 1959-07-02 | Voigt & Haeffner Ag | Schalteinrichtung zum Ein- und Ausschalten elektrischer Schaltgeraete |
DE1690037B2 (de) * | 1967-08-31 | 1975-02-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Federspeicherantrieb für elektrische Schalter |
DE3114257A1 (de) * | 1981-04-08 | 1982-11-04 | Siemens AG, 1000 Berlin und 8000 München | Antriebsvorrichtung fuer einen drei-stufen-schalter in elektrischen mittelspannungsanlagen |
-
1985
- 1985-07-29 DE DE8521827U patent/DE8521827U1/de not_active Expired
-
1986
- 1986-07-16 EP EP86109779A patent/EP0211287A3/fr not_active Withdrawn
- 1986-07-21 NO NO862932A patent/NO862932L/no unknown
- 1986-07-24 JP JP61174711A patent/JPS6334819A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE972298C (de) * | 1940-05-08 | 1959-07-02 | Voigt & Haeffner Ag | Schalteinrichtung zum Ein- und Ausschalten elektrischer Schaltgeraete |
DE1690037B2 (de) * | 1967-08-31 | 1975-02-27 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Federspeicherantrieb für elektrische Schalter |
DE3114257A1 (de) * | 1981-04-08 | 1982-11-04 | Siemens AG, 1000 Berlin und 8000 München | Antriebsvorrichtung fuer einen drei-stufen-schalter in elektrischen mittelspannungsanlagen |
Also Published As
Publication number | Publication date |
---|---|
NO862932D0 (no) | 1986-07-21 |
DE8521827U1 (de) | 1987-01-15 |
EP0211287A3 (fr) | 1989-03-08 |
NO862932L (no) | 1987-01-30 |
JPS6334819A (ja) | 1988-02-15 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
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PUAL | Search report despatched |
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AK | Designated contracting states |
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17P | Request for examination filed |
Effective date: 19890328 |
|
17Q | First examination report despatched |
Effective date: 19900831 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 19910201 |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: WAEGER, JOHANN, DIPL.-ING. (FH) Inventor name: HENNIG, GOTTFRIED Inventor name: BUCHENAU, REINHARD |