CN102956396A - Compact type grounding isolating three-station switch - Google Patents
Compact type grounding isolating three-station switch Download PDFInfo
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- CN102956396A CN102956396A CN2012102185605A CN201210218560A CN102956396A CN 102956396 A CN102956396 A CN 102956396A CN 2012102185605 A CN2012102185605 A CN 2012102185605A CN 201210218560 A CN201210218560 A CN 201210218560A CN 102956396 A CN102956396 A CN 102956396A
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Abstract
The invention discloses a compact type grounding isolating three-station switch comprising a shell, a first conductor, a second conductor and a grounding conductor, wherein the first conductor is provided with a fixed contact and the second conductor is movably connected with a movable contact; a grounding contact is arranged at the inner end part of the grounding conductor; the movable contact can move relatively to the second conductor and moves among a switching-on position, a switching-off position and a grounding position; the shell is in a T shape or a cross shape of a vertical rod and a transverse rod; a connecting part of the vertical rod and the transverse rod is provided with an inclined part; an alpha-degree included angle is formed between the normal direction of the inclined part and the vertical rod, wherein the alpha is greater than 0 degree and less than 90 degrees; the inclined part is provided with a mounting through hole; a mounting part is arranged at the outer end part of the grounding conductor; the grounding conductor penetrates though the mounting through hole from outside to inside; and the mounting part is adaptively and fixedly connected with the inclined part of the shell. The compact type grounding isolating three-station switch has the advantages that a crossed part of the vertical rod and the transverse rod of the shell is utilized and is used for mounting the grounding conductor, so that a space is effectively utilized, and the sizes of the vertical rod and the transverse rod of the shell are made as the smallest sizes to reduce the size of the shell.
Description
Technical field
The present invention relates to a kind of compact ground connection isolation three-station, relate in particular to a kind of compact ground connection isolation three-station for Cubicle Gas-Insulated Switchgear.
Background technology
In the prior art, known have multiple ground connection to isolate three-station, for example:
Disclose a kind of high pressure isolation/ground connection three-station in document CN97115633.6, this switch has T-shape shell with vertical rod and transverse bar, one first and decides that contact, one second are decided contact, a ground connection is decided contact, a supportive conductors and the moving contact that can move in supportive conductors.Wherein, it is to be installed on the inner surface of shell vertical rod by a strutting piece that ground connection is decided contact, and moving contact and vertical rod are angle.
A kind of gas-insulated switchgear device is disclosed in document CN200910004344.9, this switching device has that contact is decided in an isolation, a ground connection is decided contact, moving contact supportive conductors and the moving contact that can move that is arranged between these two contacts in supportive conductors, and two contacts of movement and this by moving contact are connected or separate.Wherein, earthed switch fixation side unit is mounted in the shell vertical rod.
A kind of isolation/ground connection three position switch is disclosed in document JP 2004120974A, this switch has that contact is decided in an isolation, a ground connection is decided contact, a supportive conductors and the moving contact that can move in supportive conductors, and two contacts of movement and this by moving contact are connected or separate.Wherein, ground connection is decided on the insulating barrier that contact is installed in shell cross bar or cross bar one end.
Owing to increased the ground unit installation site at switch housing, so that shell sizes increases.Ground unit is installed in the vertical rod or cross bar of shell, so that the vertical rod of shell or cross bar size large (more slightly or longer), this is unfavorable for electric equipment miniaturization and Product Cost Control.
Summary of the invention
The invention provides compact ground connection isolation three-station, it has overcome the deficiency of ground connection isolation three-station in the background technology.
The technical scheme that adopts that the present invention solves its technical problem is:
Compact ground connection isolation three-station, it comprises shell, the first conductor, the second conductor and earthing conductor, described the first conductor is set contact, described the second conductor is flexibly connected moving contact, described earthing conductor inner end is established grounding contact, and relative the second conductor of described moving contact energy is movable and movable between closing position, open position and earthing position; Described shell is with the "T"-shaped of vertical rod and cross bar or " ten " shape, and the coupling part of described vertical rod and cross bar has sloping portion, and the normal direction of described sloping portion becomes the α degree with the angle of vertical rod, and 0 °＜α＜90 °, and rake sets up the installation through hole separately; Installation portion is established in described earthing conductor outer end, and described earthing conductor passes the installation through hole from outer toward in, and the adaptive sloping portion that is fixed in shell of installation portion.
Among one preferred embodiment: described the second conductor sets firmly the conductor bearing, and described conductor bearing is established through hole, and described moving contact is connected in the through hole and can moves along the through hole axis, and described grounding contact and decide the both sides that contact lays respectively at the conductor bearing.
Among one preferred embodiment: described the second conductor opposite shell is fixed and is positioned at vertical rod, the axis parallel cross bar of described through hole.
Among one preferred embodiment: described conductor bearing is positioned at cross bar.
Among one preferred embodiment: described cross bar has two first openings, and described the first opening part is established the first insulating barrier, and described the first conductor connects at least one the first insulating barrier; Described vertical rod has one second opening, and described the second opening part is established the second insulating barrier, and described the second conductor is connected to the second insulating barrier.
Among one preferred embodiment: described vertical rod has one second opening and one the 3rd opening, and described the second opening part is established the second insulating barrier, and described the second conductor is connected to the second insulating barrier; Described the 3rd opening part is established the 3rd insulating barrier, and described the first conductor is connected to the 3rd insulating barrier.
Among one preferred embodiment: described the second conductor sets firmly the conductor bearing, and described conductor bearing has two and is the slide opening that " eight " word is arranged; Described moving contact is divided into two contact slide bars, described two contact slide bars two slide openings that are slidingly connected respectively; The inner of described each contact slide bar is articulated with a pivoted pole, and two pivoted poles are articulated in respectively the both sides of a dwang end; Rotate the activity of contact slide bar relative slide opening slip realization between closing position, open position and earthing position that drive by dwang.
Among one preferred embodiment: described sloping portion is clinoplain.
Among one preferred embodiment: described sloping portion comprises two clinoplains, and they lay respectively at the vertical rod both sides, and described two clinoplains are all established the installation through hole; A described side is installed the through hole and is cooperated above-mentioned earthing conductor, and described opposite side is installed the through hole adsorbent units or and densitometer or and explosion-protection equipment are installed.
Among one preferred embodiment: described 30 °＜α＜60 °.
The technical program is compared with background technology, and it has following advantage:
1, shell vertical rod and cross bar intersection are used is set to sloping portion, be used for installing earthing conductor, effectively utilize the space, make shell cross bar and vertical rod size accomplish minimum, reduce shell sizes, the inner conductor size is corresponding reducing also, can reduce material cost, reduce the product overall dimensions, make product layout compacter, be conducive to electric equipment miniaturization and Product Cost Control.
2, through hole axis parallel cross bar, grounding contact, conductor bearing and decide contact and arrange along the lateral separation effectively utilize the space, reduce shell sizes.
3, the conductor bearing is positioned at cross bar, effectively utilizes the space, reduces shell sizes.
4, sloping portion is clinoplain, is convenient to install.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 has illustrated the schematic diagram of the ground connection isolation three-station of a preferred embodiment, and it is in closing position.
Fig. 2 has illustrated the schematic diagram of the ground connection isolation three-station of a preferred embodiment, and it is in open position.
Fig. 3 has illustrated the schematic diagram of the ground connection isolation three-station of a preferred embodiment, and it is in earthing position.
Fig. 4 has illustrated the schematic perspective view of the ground connection isolation three-station of a preferred embodiment.
Fig. 5 has illustrated the schematic diagram of the ground connection isolation three-station of the second preferred embodiment.
Fig. 6 has illustrated the schematic diagram of the ground connection isolation three-station of the 3rd preferred embodiment.
Embodiment
Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, compact ground connection isolation three-station, it comprises a shell 10, one first conductor 20, certain contact 30, one second conductor 40, a conductor bearing 50, a moving contact 60, an earthing conductor 70 and a grounding contact 80.
Described shell 10 is the "T"-shaped shell with vertical rod 11 and cross bar 12.The definition of cross bar and vertical rod is not to illustrate that cross bar necessarily is exactly horizon bar just for the clear relativeness of describing between them among the present embodiment, and vertical rod must be vertical bar.The coupling part of described vertical rod 11 and cross bar 12 has sloping portion.Among the present embodiment, described sloping portion comprises two clinoplains 13, and they lay respectively at vertical rod 11 both sides, and described two clinoplains 13 are all established through hole 14 is installed.Better two clinoplains that are chosen as, and their relative vertical rods 11 are arranged symmetrically with.The angle of the normal direction of described clinoplain 13 (vertical bank plane) and vertical rod 12 becomes the α degree, and 0 °＜α＜90 °, optimal selection 30-60 °.Described cross bar 12 has 2 first openings, and described the first opening part is managed blue end face, and the end face of flange place of described the first opening sets firmly the first insulating barrier 15; Described vertical rod 11 has one second opening, and described the second opening part is managed blue end face, and the end face of flange place of the second opening establishes the second insulating barrier 16.
As required, described the first conductor 20 can connect one or two the first insulating barrier 15.When needs connect two the first insulating barriers 15, described the first conductor 20 can be divided into two sections, two sections are fixed in respectively two first insulating barriers 15, and are flexible connection between two sections, so that its opposite shell 10 is fixing; When only needing to connect first insulating barrier 15, a section in 15 two sections of described the first conductors can be secured to one first insulating barrier 15, the other end is unsettled.Described the first conductor 20 sets firmly an extension 21.Best, among the present embodiment, described extension 21 vertical the first conductors 20.Best, among the present embodiment, described extension is located at the position of keeping right in the middle part of the first conductor 20.Describedly decide contact 30 and be located at the left surface of extension 21 and opening towards a left side.Among the present embodiment, any one section in 20 two sections of the first conductors can one-body moldedly also can be connected by a plurality of parts.Among the present embodiment, but described extension 21 first conductors 20 one be convexly equipped with, also by detachably being fixed in the first conductor 20.Among the present embodiment, vertical the first conductor of described extension 20 axis, then rationally distributed.
Described the second conductor 40 is fixed in the second insulating barrier 16, so that its opposite shell 10 is fixing, is positioned at vertical rod 11.Described conductor bearing 50 affixed the second conductor 40 ends and parallel cross bars 12, described conductor bearing 50 is established through hole 51, and the axis parallel cross bar of described through hole 51, described moving contact 60 are connected in the through hole 51 and can be along transverse shiftings.Among the present embodiment, described conductor bearing 50 is positioned at cross bar 12.Among the present embodiment, but described the second conductor 40 and conductor bearing 50 can be fixed in one-body molded also attaching.
Described earthing conductor 70, its inner end is established grounding contact, and the outer end sets firmly installation portion 71.Among the present embodiment, described earthing conductor 70 comprises the support portion 72 of a vertical affixed installation portion 71, and described support portion 72 ends are extended with an extension 73, and described extension 73 ends are the inner end of grounding contact.Among the present embodiment, described earthing conductor, installation portion etc. can be one-body molded, also can be connected.Among the present embodiment, described earthing conductor comprises support portion 72 and the extension of at right angle setting section, but not as limit, as required, also can directly establish other structure example such as camber line etc.Among the present embodiment, adopt support portion and extension, rationally distributed, be convenient to assembling.Described earthing conductor 70 is from the outer installation through hole 14 that is positioned at the left side that passes toward in, described installation portion 71 is adaptive to lean against the clinoplains 13 of shell 10 and affixed or alternate manner is affixed by screw, so that grounding contact 80 openings are towards the right side, grounding contact 80, conductor bearing 50 and decide contact 30 along laterally successively the interval arrange grounding contact 80 and decide contact 30 and be positioned at two sides about the conductor bearing 50.Among the present embodiment, described support portion and extension can be one-body molded.
As required, described installation through hole 14 places connection adsorbent units or and densitometer or and the explosion-protection equipment 90 that is positioned at the right side.
As required, described ground connection isolation three-station is also established transmission mechanism 100, its moving contact 60 that is in transmission connection moves can drive moving contact 60, and decide the closing position, of contact 30 away from deciding contact 30 and connecing movement between the earthing position of grounding contact 80 away from the open position, of grounding contact 80 in a contact.Among the present embodiment, described transmission mechanism for example adopts: set firmly a ratch under the described moving contact, other establishes a driven wheel and a solid bar, the described solid coaxial affixed driven wheel of bar, described driven wheel engagement ratch, then the bar rotational drives driven wheel and rotates driven wheel rotational drive ratch and moving contact transverse shifting, realization combined floodgate, separating brake and ground connection three stations admittedly.
The second preferred embodiment
Please refer to Fig. 5, it and the first preferred embodiment difference are:
Described shell 10 is " ten " shape shell with vertical rod 11 and cross bar 12.Described vertical rod 11 also has one the 3rd opening, and described the 3rd opening part is managed blue end face, and the end face of flange place of the 3rd opening establishes the 3rd insulating barrier 17.
Described the first conductor 20 is fixed in the 3rd insulating barrier 17, and, terminal affixed one L shaped of described the first conductor 20, described L shaped comprises the cross member 22 on affixed first conductor 20 terminal right sides and the vertical part 23 of affixed cross member 22 ends, describedly decide contact 30 and is located at and founds part 23 and opening towards a left side.Among the present embodiment, described the first conductor 20 and L shaped can one-body moldedly also can be connected by a plurality of parts.
The 3rd preferred embodiment
Please refer to Fig. 6, it and the second preferred embodiment difference are: it also comprises the 3rd conductor 110 and the 4th conductor 120, the other end that one end of described the 3rd conductor 110 1 ends and the 4th conductor 120 is fixed in respectively the other end of 2 first insulating barriers, 15, the three conductors 110 and the 4th conductor 120 respectively with described the first conductor 20 or described L shaped flexible connection.
As required, the 3rd conductor 110 or the 4th conductor 120 also can only be installed, when neither installing, namely same with the second preferred embodiment.Among the present embodiment, described the 3rd conductor 110, the 4th conductor 120 all can one-body moldedly also can be connected by a plurality of parts.
The 4th preferred embodiment
It and above-mentioned preferred embodiment difference are: do not adopt above-mentioned direct action type three-station, what it adopted is: described the second conductor sets firmly the conductor bearing, and described conductor bearing has two and is the slide opening that " eight " word is arranged; Described moving contact is divided into two contact slide bars, described two contact slide bars two slide openings that are slidingly connected respectively; The inner of described each contact slide bar is articulated with a pivoted pole, and two pivoted poles are articulated in respectively the both sides of a dwang end; Rotate the activity of contact slide bar relative slide opening slip realization between closing position, open position and earthing position that drive by dwang.
The above, only for preferred embodiment of the present invention, therefore can not limit according to this scope of the invention process, the equivalence of namely doing according to claim of the present invention and description changes and modifies, and all should still belong in the scope that the present invention contains.
Claims (10)
1. compact ground connection is isolated three-station, it comprises shell, the first conductor, the second conductor and earthing conductor, described the first conductor is set contact, described the second conductor is flexibly connected moving contact, described earthing conductor inner end is established grounding contact, described moving contact is can relative the second conductor movable and at closing position, movable between open position and earthing position, it is characterized in that: described shell is with the "T"-shaped of vertical rod and cross bar or " ten " shape, the coupling part of described vertical rod and cross bar has sloping portion, the normal direction of described sloping portion becomes the α degree with the angle of vertical rod, 0 °＜α＜90 °, and rake sets up the installation through hole separately; Installation portion is established in described earthing conductor outer end, and described earthing conductor passes the installation through hole from outer toward in, and the adaptive sloping portion that is fixed in shell of installation portion.
2. compact ground connection according to claim 1 is isolated three-station, it is characterized in that: described the second conductor sets firmly the conductor bearing, described conductor bearing is established through hole, described moving contact is connected in the through hole and can moves along the through hole axis, and described grounding contact and decide the both sides that contact lays respectively at the conductor bearing.
3. compact ground connection according to claim 2 isolation three-station is characterized in that: described the second conductor opposite shell is fixed and is positioned at vertical rod, the axis parallel cross bar of described through hole.
4. compact ground connection according to claim 3 is isolated three-station, and it is characterized in that: described conductor bearing is positioned at cross bar.
5. compact ground connection according to claim 4 is isolated three-station, and it is characterized in that: described cross bar has two first openings, and described the first opening part is established the first insulating barrier, and described the first conductor connects at least one the first insulating barrier; Described vertical rod has one second opening, and described the second opening part is established the second insulating barrier, and described the second conductor is connected to the second insulating barrier.
6. compact ground connection according to claim 4 is isolated three-station, and it is characterized in that: described vertical rod has one second opening and one the 3rd opening, and described the second opening part is established the second insulating barrier, and described the second conductor is connected to the second insulating barrier; Described the 3rd opening part is established the 3rd insulating barrier, and described the first conductor is connected to the 3rd insulating barrier.
7. compact ground connection according to claim 1 is isolated three-station, and it is characterized in that: described the second conductor sets firmly the conductor bearing, and described conductor bearing has two and is the slide openings that " eight " word is arranged; Described moving contact is divided into two contact slide bars, described two contact slide bars two slide openings that are slidingly connected respectively; The inner of described each contact slide bar is articulated with a pivoted pole, and two pivoted poles are articulated in respectively the both sides of a dwang end; Rotate the activity of contact slide bar relative slide opening slip realization between closing position, open position and earthing position that drive by dwang.
8. isolate three-station to each described compact ground connection of 7 according to claim 1, it is characterized in that: described sloping portion is clinoplain.
9. isolate three-station to each described compact ground connection of 7 according to claim 1, it is characterized in that: described sloping portion comprises two clinoplains, and they lay respectively at the vertical rod both sides, and described two clinoplains are all established the installation through hole; A described side is installed the through hole and is cooperated above-mentioned earthing conductor, and described opposite side is installed the through hole adsorbent units or and densitometer or and explosion-protection equipment are installed.
10. isolate three-station to each described compact ground connection of 7 according to claim 1, it is characterized in that: described 30 °＜α＜60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210218560.5A CN102956396B (en) | 2012-06-27 | 2012-06-27 | Compact ground isolation three-station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210218560.5A CN102956396B (en) | 2012-06-27 | 2012-06-27 | Compact ground isolation three-station |
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| CN102956396A true CN102956396A (en) | 2013-03-06 |
| CN102956396B CN102956396B (en) | 2015-08-26 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0824264A2 (en) * | 1996-08-13 | 1998-02-18 | ABBPATENT GmbH | Isolating and earthing switch for a metal-clad gas-insulated high voltage switch installation |
| WO1999018591A1 (en) * | 1997-10-03 | 1999-04-15 | Hitachi, Ltd. | Vacuum switchgear |
| CN1310500A (en) * | 2000-02-23 | 2001-08-29 | 阿尔斯托姆公司 | Three-position electrical switch with axial mobile switching element |
| CN101807483A (en) * | 2010-04-12 | 2010-08-18 | 江苏精科智能电气股份有限公司 | Three-position switch used for gas insulated metal-enclosed switchgear |
| CN201611627U (en) * | 2010-01-12 | 2010-10-20 | 西安塔斯曼电力设备有限公司 | Three-position 126kVGIS isolating switch |
| CN102201295A (en) * | 2010-03-25 | 2011-09-28 | 厦门华电开关有限公司 | Mother linear isolated grounding combined switches |
| CN202650946U (en) * | 2012-06-27 | 2013-01-02 | 厦门华电开关有限公司 | Compact grounding isolation three-station switch |
-
2012
- 2012-06-27 CN CN201210218560.5A patent/CN102956396B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0824264A2 (en) * | 1996-08-13 | 1998-02-18 | ABBPATENT GmbH | Isolating and earthing switch for a metal-clad gas-insulated high voltage switch installation |
| WO1999018591A1 (en) * | 1997-10-03 | 1999-04-15 | Hitachi, Ltd. | Vacuum switchgear |
| CN1310500A (en) * | 2000-02-23 | 2001-08-29 | 阿尔斯托姆公司 | Three-position electrical switch with axial mobile switching element |
| CN201611627U (en) * | 2010-01-12 | 2010-10-20 | 西安塔斯曼电力设备有限公司 | Three-position 126kVGIS isolating switch |
| CN102201295A (en) * | 2010-03-25 | 2011-09-28 | 厦门华电开关有限公司 | Mother linear isolated grounding combined switches |
| CN101807483A (en) * | 2010-04-12 | 2010-08-18 | 江苏精科智能电气股份有限公司 | Three-position switch used for gas insulated metal-enclosed switchgear |
| CN202650946U (en) * | 2012-06-27 | 2013-01-02 | 厦门华电开关有限公司 | Compact grounding isolation three-station switch |
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| CN102956396B (en) | 2015-08-26 |
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