Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
  • H01H9/52—Cooling of switch parts
• • 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
  • H01H33/662—Housings or protective screens
  • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
  • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
  • H01H9/52—Cooling of switch parts
  • H01H2009/526—Cooling of switch parts of the high voltage switches
• • 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
  • H01H33/6606—Terminal arrangements
  • H01H2033/6613—Cooling arrangements directly associated with the terminal 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
  • H01H33/662—Housings or protective screens
  • H01H33/66207—Specific housing details, e.g. sealing, soldering or brazing
  • H01H2033/6623—Details relating to the encasing or the outside layers of the vacuum switch housings

Definitions

• the invention relates to an insulating material housing for receiving a vacuum interrupter with a fixed contact connection region and a Bewegumblean gleich Complex and a drive section for a drive rod for introducing a drive movement in a moving contact of the vacuum interrupter and a ventilation arrangement.
• Such insulating material is known for example from DE 102004047260 B4.
• the Isolierstoff- housing disclosed there for receiving a vacuum interrupter has a
• a ventilation arrangement in the form of a ventilation shaft, which is provided for discharging heated air from the drive section of the insulating housing, whereby a cooling of a current path in the region of a BewegMaptress between moving contact of the vacuum interrupter and BewegTypean gleich Scheme is effected.
• Object of the present invention is to develop an insulating material of the type mentioned, which has an improved heat dissipation at high current carrying capacity and higher rated voltage.
• this object is achieved in the case of an insulating material housing of the type mentioned at the beginning in that the Ventilation arrangement is formed by a plurality of wall sections of the insulating material to form creepage distances from each other separate ventilation duct systems for the Bewegumble- connection area and the fixed contact connection area.
• a drive opening of the insulating housing is formed as an inlet opening of a first ventilation channel system for the Beweg.an- circuit area, which first Ventilungskanalsystem- at least one outlet opening on a the weg.Auth Symposium and the fixed contact terminal region opposite housing side has.
• a ventilation duct system for the Beweg.an gleich- area efficient heat dissipation in the region of the Beweg.an gleich Schemees the insulating material is ensured in a simple manner.
• a second ventilation channel system for the Fest.an gleich- area is provided with at least one inlet opening above the Beweg.an gleich Kunststoffes and an outlet opening in the fixed contact connection area.
• the invention further relates to a solid-insulated switch pole for a circuit breaker with an insulating housing according to one of the above embodiments.
• a solid-insulated switch pole is advantageously used for circuit breaker, which have increased demands on operating currents and rated voltages, because with such a solid-insulated switch pole with an insulating material improved heat dissipation at higher operating currents is possible.
• FIG. 1 shows a perspective view of an insulating housing according to the invention
• Figure 2 is another perspective view of an insulating material according to the invention
• Figure 3 is a partially sectioned view of an insulating material according to the invention
• FIG. 4 shows a further partially sectioned view of an insulating housing according to the invention.
• FIG. 1 shows a perspective view of an insulating housing 1 for a solid-state-insulated switch pole of a circuit breaker for receiving a vacuum interrupter tube not shown in FIG. 1.
• the insulating housing 1 comprises a drive opening 2, a moving contact connection area 3 and a fixed contact connection area 4.
• the drive opening 2 serves as inlet opening for a ventilation channel system of the moving contact connection area 3 or the moving contact connection of the vacuum interrupter, the air flows for ventilation and heat dissipation of the moving contact connection area 3 1 denotes A, B and C, wherein A denotes the incoming air flow through the drive opening 2 and B and C leaking air flows for heat dissipation through a first and a second outlet opening 5 and 6 of the ventilation duct system of Bewegumblean gleichschens or the Moving contacts are designated.
• FIG. 1 shows a first inlet opening 7 for a ventilation duct system of the fixed contact connection region 4, whose inflowing air flow is indicated by the arrow D and whose exiting air flow is designated from an outlet opening 8 in the region of the fixed contact connection region 4 with the arrow marked E.
• FIG. 2 shows a further perspective view of the insulating material housing 1 with the moving contact connection region 3 and the fixed contact connection region 4, wherein between the wegumblean gleich Society 3 and the Fest.an gleichbe- area 4 second and third inlet openings 9 and 10 of the ventilation duct system for the fixed contact connection area 4 are provided, whose air flows are marked with arrows F and G, which air flows F and G through the outlet opening 8 in the fixed contact connection area 4 characterized by exit the arrow E.
• FIG. 3 shows a partially cutaway view of the insulating material housing 1 with vacuum interrupter 11 arranged therein, whose moving contact (not illustrated in the figure) is conductively connected via a drive rod 12 to a moving contact connection 13 of the moving contact connection region 3, wherein the drive rod 12 is connected via an insulating section 14 To ensure a galvanic separation between the current path and a drive unit not shown figuratively.
• the vacuum interrupter 11 further has a fixed contact, not shown in the figure, which is connected in an electrically conductive manner to a fixed contact connection 15 of the fixed contact connection region 4.
• the ventilation duct system for the fixed contact connection region 4 is shown in FIG.
• FIG. 3 wherein the incoming air flows are denoted by the first, second and third inlet openings 7, 9 and 10 with the arrows D, F and G, indicating the fixed contact connection region 4 or the connection of the fixed contact terminal of the vacuum interrupter 11 to flow around the fixed contact connection area 4 and marked by the outlet opening 8 leave the Isolierstoffgeophuse with arrow E, so that efficient cooling of the fixed contact connection area and the fixed contact terminal of the vacuum interrupter 11 are ensured by means of the air flows shown in Figure 3.
• FIG. 3 wherein the incoming air flows are denoted by the first, second and third inlet openings 7, 9 and 10 with the arrows D, F and G, indicating the fixed contact connection region 4 or the connection of the fixed contact terminal of the vacuum interrupter 11 to flow around the fixed contact connection area 4 and marked by the outlet opening 8 leave the Isolierstoffgeophuse with arrow E, so that efficient cooling of the fixed contact connection area and the fixed contact terminal of the vacuum interrupter 11 are ensured by means of the air flows shown in Figure 3.
• FIG 4 shows a further partially sectioned view of the insulating material housing 1 with the vacuum interrupter 11, the drive rod 12 with its insulating section 14 in a drive section 16 of the insulating housing 1 and the contact connection area 3 and the fixed contact connection area 4,
• FIG the ventilation duct system for the moving contact connection region 3 is shown, wherein the air flow for cooling the path contact connection region or the drainage connection area is indicated by the drive opening 2, which simultaneously represents the drive opening for initiating the drive movement into the moving contact of the vacuum interrupter 11
• Moving contact of the vacuum interrupter tube 11 is guided, which through the first and second outlet openings 5 and 6 of the ventilation duct system for the BewegWalletan gleich Scheme 3 characterized by arrows B and C exits the insulating material 1 and thus efficiently the heat au s dissipates the BewegCountan gleich Symposium.
• ribs 17 are arranged to form a sufficient creepage
• Creepage distances between conductive, located at different potential Heidelbergerpolieri are formed, so that between fixed contact and Bewegumblean gleich Creepage distances are also formed at each point of the insulating material housing by the respective ventilation channel system or its wall sections in such a way that the insulating material housing can be used for high rated voltages and operating currents.

Landscapes

• High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
• Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=42320749

Family Applications (1)

Country Status (7)

Cited By (5)

Families Citing this family (5)

Citations (3)

Family Cites Families (5)

• 2009
  • 2009-05-06 DE DE200910020152 patent/DE102009020152B3/de not_active Expired - Fee Related
• 2010
  • 2010-04-26 WO PCT/EP2010/055538 patent/WO2010127957A1/de active Application Filing
  • 2010-04-26 CN CN201080003404.6A patent/CN102227793B/zh active Active
  • 2010-04-26 PT PT10718541T patent/PT2427898E/pt unknown
  • 2010-04-26 ES ES10718541T patent/ES2399336T3/es active Active
  • 2010-04-26 EP EP10718541A patent/EP2427898B1/de active Active
• 2011
  • 2011-12-15 HK HK11113545.0A patent/HK1159309A1/zh unknown

Patent Citations (3)

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