CN201804784U - Medium-voltage gas insulated circuit breaker and control switch board - Google Patents

Medium-voltage gas insulated circuit breaker and control switch board Download PDF

Info

Publication number
CN201804784U
CN201804784U CN2010201273643U CN201020127364U CN201804784U CN 201804784 U CN201804784 U CN 201804784U CN 2010201273643 U CN2010201273643 U CN 2010201273643U CN 201020127364 U CN201020127364 U CN 201020127364U CN 201804784 U CN201804784 U CN 201804784U
Authority
CN
China
Prior art keywords
circuit breaker
pair
braced wing
breaker according
shell
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
Application number
CN2010201273643U
Other languages
Chinese (zh)
Inventor
弗朗切斯科·贝洛尼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ABB Technology AG
Original Assignee
ABB T&D Technology AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ABB T&D Technology AG filed Critical ABB T&D Technology AG
Application granted granted Critical
Publication of CN201804784U publication Critical patent/CN201804784U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • 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
    • H01H33/53—Cases; Reservoirs, tanks, piping or valves, for arc-extinguishing fluid; Accessories therefor, e.g. safety arrangements, pressure relief devices
    • H01H33/56—Gas reservoirs
    • H01H2033/568—Gas reservoirs with overpressure release, e.g. rupture membranes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/003—Earthing switches

Landscapes

  • Gas-Insulated Switchgears (AREA)
  • Breakers (AREA)
  • Organic Insulating Materials (AREA)

Abstract

The utility model relates to a medium-voltage gas insulated circuit breaker (1) with one or more phases and a control switch board. The circuit breaker comprises an air-tight shell (2), a movable contact terminal, a fixed contact terminal and a grounding contact terminal which correspond to each phase respectively, and an operating mechanism (3) used for allowing the movable contact terminal to move in the open position, the closed position and the grounding position respectively; the shell comprises a metal half shell (22) and a plastic half shell (21); the plastic half shell is provided with a plastic flange (210) and hermetically connected with the metal half shell through the plastic flange; as to each phase, the plastic half shell comprises a half cavity chamber (31) protruding out of a plastic flange, a first pair of side surfaces (31a and 31c) and a second pair of side surfaces (31b and 31d); and each side surface is respectively connected to a corresponding centered supporting wing (51), and the centered supporting wing (51) is connected to the plastic flange; as to each half cavity chamber, each side surface in the first pair of the side surfaces also can be connected to a pair of side supporting wings (52) parallel to the corresponding centered supporting wing, and the pair of the side supporting wings (52) are connected to the plastic flange.

Description

Medium pressure gas insulation circuit breaker and control distribution board
Technical field
The utility model relates to a kind of medium pressure gas insulation circuit breaker and a kind of control distribution board.
Particularly, the utility model relates to three circuit breakers of three-phase that integrated ground connects that have that are applicable to middle pressure.Such circuit breaker is known in the art; Such as referring to EP1928065.
Background technology
The specific circuit breaker of this structure comprises air tight enclosure, and described housing is limited with the inner space of filling insulating gas.This housing is equipped with corresponding to the one or more movable contacts of each phase and the fixed contact of one or more correspondences.In the typical application occasion, circuit breaker comprises movable contact, fixed contact and the grounding contact corresponding to each phase, and movable contact can move in the middle of open position, make position and earthing position.According to the application scenario, it is not only the multiple requirement of actuating usually that circuit breaker must satisfy simultaneously.Such as, expect that usually circuit breaker is compact as much as possible to occupy as far as possible little space in ccontaining its space.
In some cases, circuit breaker must have insulation against ground in the middle of the part that forms housing.For this reason, the housing that constitutes of circuit breaker the second half shells that comprise that the first half shells that are made of metal and plastic material make.
Must be pointed out that the circuit breaker of housing insulation gas must be able to prevent that this insulating gas from leaking, this requires housing to have stable and reliable structure.
It is also important that heat-resisting technical indicator, circuit breaker is the position that its power produces the electric material of heat inevitably.
The utility model content
The purpose of this utility model is the effectiveness that enlarges this circuit breaker.
This bigger effectiveness be by means of a kind of have one or heterogeneous medium pressure gas insulation circuit breaker realize, comprising:
The air tight enclosure of-housing insulation gas;
-corresponding to movable contact, fixed contact and the grounding contact of each phase, these contacts are positioned at described enclosure interior;
-operating mechanism, described operating mechanism are used to make described movable contact to move in the middle of open position, make position and earthing position;
Described housing comprises metal half shell and plastic half-shell, described plastic half-shell is constructed with plastics flange, described plastic half-shell hermetic connects with described metal half shell by means of described plastics flange, wherein, for each phase, described plastic half-shell comprises from described plastics flange outstanding half chamber and first pair of side and second pair of side, each side in described first pair of side and the described second pair of side is connected to corresponding braced wing placed in the middle, described braced wing placed in the middle is connected to described plastics flange, it is characterized in that, for each half chamber, each side in described first pair of side also is connected to an offside braced wing, and described side braced wing is connected to described plastics flange and is parallel to corresponding braced wing placed in the middle.
Preferably, the side in described first pair of side toward each other, and with described second pair of side in the side alternately.
Preferably, relevant with side in described first pair of side side braced wing is the portion that extends laterally of the side braced wing of the opposite flank in described first pair of side.
Preferably, each described side braced wing has by the edge that forms with the lower part: first marginal portion that is parallel to described plastics flange; Second marginal portion perpendicular to described plastics flange; Be positioned between described first marginal portion and described second marginal portion and be rendered as the 3rd marginal portion of rounding bend.
Preferably, each described side braced wing comprises main body, and described main body is divided into: perpendicular to first halfbody of described plastics flange; Be connected to second halfbody of described plastics flange in the rounding mode.
Preferably, each described side braced wing is limited on the extension of the side in described second pair of side.
Preferably, comprise heterogeneously, wherein, braced wing placed in the middle is that two-phase is shared.
Preferably, described plastics flange is rectangular, and its large-size is perpendicular to described side braced wing, and its reduced size then is parallel to described side braced wing.
Preferably, described plastics flange has level and smooth turning.
Preferably, the thickness of at least a portion of described plastics flange is not more than the thickness of described braced wing placed in the middle and described side braced wing.
Preferably, each side in described first pair of side and the described second pair of side is connected to end face.
Preferably, described end face is connected to corresponding plastic supporting pieces.
Preferably, described metal half shell is formed from steel.
Preferably, described plastic half-shell is made by polymeric material.
Preferably, described polymeric material is an epoxy resin.
In addition, according to the utility model, also provide a kind of control distribution board, wherein, described control distribution board comprises aforesaid circuit breaker.
Obviously, this has realized especially strong to a miracle and has been suitable for the structure of housing insulation gas.
And described structure has been proved and can have effectively stood heat request.
Description of drawings
Further feature and advantage of the present utility model will be from the descriptions of preferred but non-exclusive execution modes more of the present utility model and are become more apparent, and these execution modes are shown in the drawings by way of example, and described accompanying drawing is:
-Fig. 1 illustrates the stereogram according to circuit breaker of the present utility model;
-Fig. 2 illustrates the exploded perspective view of the circuit breaker of Fig. 1;
-Fig. 3 illustrates the parts of the circuit breaker of Fig. 1;
-Fig. 4 illustrates another parts of the circuit breaker of Fig. 1;
-Fig. 5 illustrates the exploded perspective view of the parts of Fig. 4;
-Fig. 6 illustrates the control distribution board of the circuit breaker of Fig. 1 electrical system mounted thereto.
Embodiment
Specifically with reference to Fig. 6, illustrate control distribution board 10, it comprises that according to circuit breaker 1 of the present utility model described circuit breaker 1 is specifically shown in Fig. 1-5.
Circuit breaker 1 is the circuit breaker of medium pressure gas insulation, and the gas in this housing is SF6 (sulphur hexafluoride).Circuit breaker 1 has three-phase.
This circuit breaker 1 comprises the air tight enclosure 2 of holding described SF6.
For each phase, circuit breaker 1 comprises movable contact, fixed contact and grounding contact, and these contacts are positioned at described housing 2 inside.
Operating mechanism 3 is suitable for making described movable contact to move between open position, make position and earthing position.
According to the utility model, housing 2 can also comprise pressure gauge, drain valve, or be generally the pressure release system that is used to resist any possibility superpressure, and the one or more observation windows that are used for the visual examination contact position.
Housing 2 comprises plastic half-shell 21 and metal half shell 22 that interconnects to form described housing 2.
Connection between half shell 21,22 is bubble-tight, makes the gas that holds in the housing to leak.
Plastic half-shell 21 is made by polymeric material, especially epoxy resin.
Metal half shell 22 is made by steel, especially stainless steel.Metal half shell can also be made by zinc-plated in advance steel.
Plastic half-shell 21 comprises plastics flange 210.Similarly, metal half shell 22 comprises metal flange 220.Flange 210,220 constitutes half shell, 21,22 interconnective interfaces.
Flange 210,220 comprises the bearing that is used for sealing device, described sealing device such as the packing ring type, itself belong to known type, thereby realize aforementioned air-tightness.Include the fastener that is placed in flange 210,220 places, can be thereby make by fastening next fastening half shell 21,22 mutually between the flange 210,220.This fastening threaded fastener that is utilization itself belongs to known type is realized.
Plastics flange 210 is the general rectangular with large-size 210b and reduced size 210a; This plastics flange comprises smooth corners 210c.
For each phase, circuit breaker 1 comprises plastic supporting pieces 41, and described plastic supporting pieces 41 links with plastic half-shell 21.Similarly, metal half shell 22 be used for each metallic supports 42 mutually and link.
Should be noted that each plastic supporting pieces 41 is the types with three disk 41a, 41b, 41c, disk is placed in another disk below, and its diameter is along with reducing from the increase of the distance of flange 220.
In contrast, each metallic supports 42 is general cylindrical shape.In this case, each metallic supports 42 is attached to the corresponding circular cavity 42a that is limited in described metal half shell 22.Yet the connection of Xing Chenging keeps air-tightness by known sealing own and fastening configuration therefrom.
Advantageously, provide a kind of replacement scheme, according to this replacement scheme, each metallic supports 42 structures connect and are electrically connected to volt/voltage indicator.
Each plastic supporting pieces 41 supports the corresponding fixed contact (not shown) that is positioned at housing 2 inside, and metallic supports 42 supports the corresponding movable contact (not shown) that is positioned at housing 2 inside simultaneously.Particularly, each strutting piece 42 comprises terminal 420, and described terminal 420 rotatably supports corresponding movable contact.Thereby the active supporting piece of vane type is suitable for moving between with upper/lower positions:
-make position, in this make position, movable contact and corresponding fixed contact contact;
-earthing position, in this earthing position, movable contact and corresponding grounding contact contact;
-open position, in this open position, movable contact not with corresponding fixed contact and grounding contact contact.
Three movable contacts can be connected to the operating mechanism 3 that is positioned at housing 2 outsides because of belonging to conventional not shown guide rod.
According to the utility model, for each phase, plastic half-shell 21 comprises half chamber 31.This half chamber 31 is outstanding from plastics flange 210.This half chamber 31 is connected to relevant strutting piece 41.
Each half chamber 31 has four side 31a, 31b, 31c, 31d; Among these sides 31a, 31b, 31c, the 31d each is connected to end face 31e.
Each side 31a, 31b, 31c, 31d are connected to corresponding braced wing 51 placed in the middle.
Each braced wing 51 placed in the middle is linked to plastics flange 210.
Side 31a, 31b, 31c, 31d are divided into:
-the first pair of side (31a, 31c);
-the second pair of side (31b, 31d).
According to the utility model, circuit breaker 1 further comprises side braced wing 52.In fact, also be connected to a pair of this side braced wing 52 for each side 31a, 31c in 31, the first pairs of sides of each half chamber.
Each side braced wing 52 and then be linked to plastics flange 210.Each side braced wing 52 is parallel to corresponding braced wing 51 placed in the middle.
First couple of side 31a, 31c are toward each other.Should notice further that each side 31a, the 31c in the first pair of side and second couple of side 31b, 31d are alternately.
Should be noted that second couple of side 31b, 31d do not have flank.
The side braced wing 52 relevant with side 31a is the portions that extend laterally of the side braced wing 52 of relative side 31c.
Each side braced wing 52 has by the edge that forms with the lower part:
-be parallel to the first marginal portion 52a of plastics flange 210;
-perpendicular to the second marginal portion 52b of described plastics flange 210;
-be placed between the first marginal portion 52a and the second marginal portion 52b to be rendered as the 3rd marginal portion 52c of rounding bend.
Further, the main body of each described side braced wing 52 is divided into:
-perpendicular to the first halfbody 52d of plastics flange 210;
-be connected to the second halfbody 52e of plastics flange 210 in the rounding mode.
The thickness of at least a portion of side braced wing 52 and braced wing 51 placed in the middle each other about equally.
Each side braced wing 52 is limited on the extension of second couple of side 31b, 31d.
Should be noted that braced wing 51 placed in the middle is shared with next one between mutually.
The reduced size 210a of flange 210 is in substantially parallel relationship to side braced wing 52 and stretches out.
Should be noted that the most at least thickness of described plastics flange 210 is not more than the thickness of side braced wing 52 and braced wing 51 placed in the middle.
Control distribution board 10 comprises the shell 101 that limits the inner space.Circuit breaker 1 is positioned in the described inner space, makes described circuit breaker 1 be between first compartment 110 and second compartment 120.
Operating mechanism 3 is positioned at shell 101 outsides and is connected to movable contact by means of driving the rod-type connection.
Owing to constitute the difference of the material of half shell 21,22, the insulation against ground that circuit breaker 1 is realized between first compartment 110 and second compartment 120.
The utility model the great advantage that can obtain be its simplicity, but be its structural strength simultaneously, this further provides unexpected thermal endurance.
The side braced wing cooperates with braced wing placed in the middle, thereby owing to have described side braced wing, and can provide more limited size than situation of the prior art.
Should be noted that having a plurality of braced wings makes it possible to realize certain strength, such as, if circuit breaker falls.In fact, the side braced wing prevents the distortion of half chamber, thereby guarantees the insulating gas leakage can not take place.
Shall also be noted that this side braced wing that cooperates with braced wing placed in the middle can be easily by people's finger grip, this has brought another unexpected advantage.
The side braced wing is the extension of half chamber side substantially, and this fact makes it possible to guarantee the rigidity of structure of circuit breaker.

Claims (16)

1. one kind has one or heterogeneous medium pressure gas insulation circuit breaker (1), comprising:
The air tight enclosure of-housing insulation gas (2);
-for movable contact, fixed contact and the grounding contact of every phase, these contacts are positioned at described housing (2) inside;
-operating mechanism (3), described operating mechanism are used to make described movable contact to move in the middle of open position, make position and earthing position;
Described housing (2) comprises metal half shell (22) and plastic half-shell (21),
Described plastic half-shell (21) is constructed with plastics flange (210), described plastic half-shell (21) hermetic connects with described metal half shell (22) by means of described plastics flange (210), wherein, for every phase, described plastic half-shell (21) comprises from outstanding half chamber (31) of described plastics flange (210) and comprises first pair of side (31a, 31c) and second pair of side (31b, 31d)
Each side (31a, 31b, 31c, 31d) in described first pair of side (31a, 31c) and the described second pair of side (31b, 31d) is connected to corresponding braced wing (51) placed in the middle, and described braced wing placed in the middle (51) is connected to described plastics flange (210),
It is characterized in that, for each half chamber (31), each side (31a, 31c) in described first pair of side (31a, 31c) also is connected to an offside braced wing (52), and described side braced wing (52) is connected to described plastics flange (210) and is parallel to corresponding braced wing (51) placed in the middle.
2. circuit breaker according to claim 1 is characterized in that, the side (31a, 31c) in described first pair of side (31a, 31c) toward each other, and with described second pair of side (31b, 31d) in the side alternately.
3. circuit breaker according to claim 2, it is characterized in that the side braced wing (52) relevant with side (31a) in described first pair of side (31a, 31c) is the portion that extends laterally of the side braced wing (52) of the opposite flank (31c) in described first pair of side (31a, 31c).
4. circuit breaker according to claim 1 is characterized in that, each described side braced wing (52) has by the edge that forms with the lower part:
-be parallel to first marginal portion (52a) of described plastics flange (210);
-perpendicular to second marginal portion (52b) of described plastics flange (210);
-be positioned between described first marginal portion (52a) and described second marginal portion (52b) and be rendered as the 3rd marginal portion (52c) of rounding bend.
5. according to each described circuit breaker in the aforementioned claim, it is characterized in that each described side braced wing (52) comprises main body, described main body is divided into:
-perpendicular to first halfbody (52d) of described plastics flange (210);
-be connected to second halfbody (52e) of described plastics flange (210) in the rounding mode.
6. circuit breaker according to claim 1 is characterized in that, each described side braced wing (52) is limited on the extension of the side (31b, 31d) in described second pair of side (31b, 31d).
7. circuit breaker according to claim 1 is characterized in that, comprises heterogeneously, and wherein, braced wing (51) placed in the middle is that two-phase is shared.
8. circuit breaker according to claim 7 is characterized in that, described plastics flange (210) is rectangular, and its large-size (210b) is perpendicular to described side braced wing (52), and its reduced size (210a) then is parallel to described side braced wing (52).
9. circuit breaker according to claim 8 is characterized in that, described plastics flange (210) has level and smooth turning (210c).
10. circuit breaker according to claim 1 is characterized in that, the thickness of at least a portion of described plastics flange (210) is not more than the thickness of described braced wing placed in the middle (51) and described side braced wing (52).
11. circuit breaker according to claim 1 is characterized in that, each side (31a, 31b, 31c, 31d) in described first pair of side (31a, 31c) and the described second pair of side (31b, 31d) is connected to end face (31e).
12. circuit breaker according to claim 11 is characterized in that, described end face (31e) is connected to corresponding plastic supporting pieces (41).
13. circuit breaker according to claim 1 is characterized in that, described metal half shell (22) is formed from steel.
14. circuit breaker according to claim 1 is characterized in that, described plastic half-shell (21) is made by polymeric material.
15. circuit breaker according to claim 14 is characterized in that, described polymeric material is an epoxy resin.
16. a control distribution board is characterized in that, comprises circuit breaker according to claim 1.
CN2010201273643U 2009-04-29 2010-02-23 Medium-voltage gas insulated circuit breaker and control switch board Expired - Lifetime CN201804784U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI2009U000140 2009-04-29
ITMI20090140 ITMI20090140U1 (en) 2009-04-29 2009-04-29 MEDIUM VOLTAGE ISOLATED IN GAS.

Publications (1)

Publication Number Publication Date
CN201804784U true CN201804784U (en) 2011-04-20

Family

ID=42814054

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201273643U Expired - Lifetime CN201804784U (en) 2009-04-29 2010-02-23 Medium-voltage gas insulated circuit breaker and control switch board

Country Status (4)

Country Link
CN (1) CN201804784U (en)
DE (1) DE202010005246U1 (en)
IT (1) ITMI20090140U1 (en)
RU (1) RU99899U1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2763152A1 (en) * 2012-03-26 2014-08-06 ABB Technology AG An electric switching device and related electric apparatus
UA25985S (en) 2012-07-31 2013-12-10 Абб Текнолоджі А INSULATING COVER FOR SWITCHING DEVICE

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1928065B1 (en) 2006-11-30 2017-01-04 ABB Schweiz AG Medium voltage gas-insulated switch-disconnector

Also Published As

Publication number Publication date
RU99899U1 (en) 2010-11-27
ITMI20090140U1 (en) 2010-10-30
DE202010005246U1 (en) 2010-09-30

Similar Documents

Publication Publication Date Title
ES2630405T3 (en) Gas insulated medium voltage disconnect switch
CN205452934U (en) Inflatable cubical switchboard
WO2016067647A1 (en) Switchgear
KR101449221B1 (en) Vacuum-circuit breaker
KR101246696B1 (en) Ground disconnect switch and method for making same
JP2010044928A (en) Vacuum switchgear
CN105119179B (en) A kind of switch cubicle and breaker
CN201804784U (en) Medium-voltage gas insulated circuit breaker and control switch board
CN102361248B (en) SF6 (sulfur hexafluoride) load switch inflating cabinet (12kV/24kV) with visual windows
CN201584354U (en) Bellows installation structure of SF6 gas insulated vacuum circuit breaker
JP2004220922A (en) Gas insulated switchgear
CN203377529U (en) A three-position solid insulated switch device
JP4212595B2 (en) Gas insulated switchgear
CN204927168U (en) Optional switching device who operates mutually
JP4222848B2 (en) Gas insulated switchgear
JP4119441B2 (en) Gas insulated switchgear
CN211183107U (en) Combined air chamber of disconnecting switch of gas-insulated switchgear breaker
CN207664512U (en) A kind of environmental protection gas insulation switch cabinet
CN2523084Y (en) Indoor fixed sulfur hexafluoride looped network box
CN202308888U (en) 12kV/24kV SF6 load switch gas-insulated cabinet with visible window
JP4394938B2 (en) Gas insulated switchgear
US10643814B2 (en) Medium voltage circuit breaker in subsea environment
US10014140B2 (en) Medium voltage circuit breaker for the use in high pressure environments
CN219553507U (en) Circuit breaker and switching device
CN220106352U (en) Circuit breaker double-sealing structure for inflatable cabinet

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20180530

Address after: Baden, Switzerland

Patentee after: ABB TECHNOLOGY LTD.

Address before: Zurich

Patentee before: ABB T & D Technology Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20110420