CN107359077A - A kind of direct-acting three-working-position isolation equipment - Google Patents
A kind of direct-acting three-working-position isolation equipment Download PDFInfo
- Publication number
- CN107359077A CN107359077A CN201710812376.6A CN201710812376A CN107359077A CN 107359077 A CN107359077 A CN 107359077A CN 201710812376 A CN201710812376 A CN 201710812376A CN 107359077 A CN107359077 A CN 107359077A
- Authority
- CN
- China
- Prior art keywords
- pole
- static contact
- turn
- acting
- working
- 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.)
- Pending
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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
- H01H33/60—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
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
Landscapes
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention provides a kind of direct-acting three-working-position isolation equipment, including pole, isolation static contact, grounding static contact and turn-screw are linearly provided with pole；The isolation static contact and grounding static contact are spaced in intervals setting, and both are each arranged in pairs up and down；For the turn-screw between two isolation static contacts, turn-screw is provided with slider；Slider can be moved back and forth between isolation static contact and grounding static contact with the rotation of turn-screw and is connected with their intervals；Turn-screw both ends are rotatablely connected with pole, and its one end stretches out pole.Direct-acting three-working-position isolation equipment of the present invention, it is simple in construction, compact, can meet the needs of device miniaturization, realize modular assembly, and be advantageous to the sealing of pole.
Description
Technical field
The invention belongs to field of switch equipment, more particularly, to a kind of direct-acting three-working-position isolation equipment.
Background technology
In switchgear, tri-station isolating switch equipment is because possessing the three station functions of closing a floodgate, isolate, be grounded, not only
The safety operation of switch is may insure, can also ensure the safety of operating personnel, therefore be widely used.
Common tri-station isolating switch equipment is mainly rotating knife form of a guillotine at present, SafeRing types such as ABB, Ah
The FBX types ring main unit of extra large enamel uses the equipment.
Although rotary tri-station isolating switch equipment using extensive, there is also the problem of general character, first, required
Space it is larger, it is difficult to used in more narrow space, be unfavorable for the miniaturization of switchgear.Second, most rotary three
Station disconnecting switch equipment can not realize modularized design in structure, and Electric Field Distribution is also uneven.Third, rotary three station
When isolated switchgear directly applies to pole, it is difficult to realize the sealing of pole.In view of this, R ＆ D design is a kind of
The three-station of drawbacks described above can be overcome very necessary.
The content of the invention
In view of this, the present invention is directed to propose a kind of direct-acting three-working-position isolation equipment, to overcome prior art
Defect, it is simple in construction, compact, can meet the needs of device miniaturization, realize modular assembly, and be advantageous to the close of pole
Envelope.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of direct-acting three-working-position isolation equipment, including pole, be linearly provided with pole every
From static contact, grounding static contact and turn-screw；
The isolation static contact and grounding static contact are spaced in intervals setting, and both are each arranged in pairs up and down；
For the turn-screw between two isolation static contacts, turn-screw is provided with slider；Slider can
Move back and forth between isolation static contact and grounding static contact with the rotation of turn-screw and be connected with their intervals；Turn-screw
Both ends are rotatablely connected with pole, and its one end stretches out pole.
Further, the slider includes movable touch knife, support member, grading shield, disc spring and bearing pin；The movable touch knife set
On turn-screw.
Further, the movable touch knife top and bottom are respectively equipped with 2 grading shields；The disc spring is divided into the first dish
Spring and the second disc spring；It is equipped with and passes through in the region that 2 grading shields of movable touch knife upper end and 2 grading shields of lower end each surround
Bearing pin and nut are connected to the first disc spring, support member and the second disc spring on movable touch knife in turn.
Further, the movable touch knife longitudinal section is H-shaped；First disc spring and the second disc spring are located at the two of movable touch knife respectively
Side, support member are located at the inside of movable touch knife；Face and the opening position of bearing pin are provided with through hole on grading shield.
Further, the isolation static contact and grounding static contact are cast in pole；Pole is provided with
Leading-out terminal and and cabinet bus；Isolate static contact one end connection leading-out terminal, other end connection and cabinet bus.
Further, vacuum interrupter is provided with above described and cabinet bus；Vacuum interrupter is under isolation static contact
Side, and in pole.
Further, the material of the turn-screw is insulating materials；Pole is poured by opaque insulating materials
Build up type.
Further, the material of the pole is epoxy resin or the nylon containing glass fibre；The driving wire
Thick stick is phenolic aldehyde cotton laminated rod；The pole is provided with observation window, observation window position with isolate static contact, slider and
Grounding static contact position is corresponding.
Further, the pole is molded by transparent insulating materials one-piece casting.
Further, the material of the pole is makrolon.
Relative to prior art, a kind of direct-acting three-working-position isolation equipment of the present invention has the advantage that：
(1) by the rotation of turn-screw slider can be driven to be moved along a straight line in pole, realizes three works
Combined floodgate-isolation-earthing position of bit switch, there is the advantages of simple in construction, compact, can meet the needs of device miniaturization；
(2) structure of slider is simple, and modular assembly can be achieved, and the structure design of optimization possesses more uniform electricity
, beneficial to the anti-value of office for reducing switchgear；
(3) may be directly applied in pole and solid-state insulated switchgear, particularly in the equipment of narrow space；
(4) connecting portion of the direct-acting three-working-position isolation equipment rotary part and outside operating mechanism is few, only
Turn-screw, be advantageous to the sealing of pole, so as to reduce the condensation probability of switchgear, improve the usability of switchgear
Energy.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is that structure of the direct-acting three-working-position isolation equipment under "on" position described in the embodiment of the present invention 1 is shown
It is intended to.
Fig. 2 is that structure of the direct-acting three-working-position isolation equipment under isolation described in the embodiment of the present invention 1 is shown
It is intended to.
Fig. 3 is that structure of the direct-acting three-working-position isolation equipment under ground state described in the embodiment of the present invention 1 is shown
It is intended to.
Fig. 4 is the front view of the direct-acting three-working-position isolation equipment described in the embodiment of the present invention 1；
Fig. 5 is the top view of the direct-acting three-working-position isolation equipment described in the embodiment of the present invention 1；
Fig. 6 is the structural representation of the direct-acting three-working-position isolation equipment slider described in the embodiment of the present invention 1；
Fig. 7 be the embodiment of the present invention 1 described in direct-acting three-working-position isolation equipment in movable touch knife front sectional view；
Fig. 8 be the embodiment of the present invention 1 described in direct-acting three-working-position isolation equipment in movable touch knife side view cutaway drawing；
Fig. 9 is the front view of the direct-acting three-working-position isolation equipment described in the embodiment of the present invention 2.
Description of reference numerals：
1- poles；2- isolates static contact；3- grounding static contacts；4- turn-screws；5- sliders；6- movable touch knifes；
7- support members；8- grading shields；9- bearing pins；The disc springs of 10- first；The disc springs of 11- second；12- nuts；13- through holes；14- leading-out terminals；
15- and cabinet bus；16- vacuum interrupters；17- observation windows.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.In addition, term " first ", " second " etc. are only used for describing purpose, and it is not intended that instruction or hint phase
To importance or the implicit quantity for indicating indicated technical characteristic.Thus, the feature for defining " first ", " second " etc. can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment 1
As shown in figures 1-8, a kind of direct-acting three-working-position isolation equipment, including pole 1, the interior edge of pole 1
Rectilinear direction is provided with isolation static contact 2, grounding static contact 3 and turn-screw 4；
The isolation static contact 2 and grounding static contact 3 are spaced in intervals setting, and both each set in pairs up and down
Put；
For the turn-screw 4 between two isolation static contacts 2, turn-screw 4 is provided with slider 5；Slide and touch
First 5 can move back and forth between isolation static contact 2 and grounding static contact 3 with the rotation of turn-screw 4 and are connected with their intervals；
The both ends of turn-screw 4 are rotatablely connected with pole 1, and its one end stretches out pole 1.
The slider 5 includes movable touch knife 6, support member 7, grading shield 8, disc spring and bearing pin 9；The movable touch knife 6 is enclosed on
On turn-screw 4.
The top and bottom of movable touch knife 6 are respectively equipped with 2 grading shields 8；The disc spring is divided into the He of the first disc spring 10
Second disc spring 11；It is equipped with the region that 2 grading shields 8 of the upper end of movable touch knife 6 and 2 grading shields 8 of lower end each surround logical
Cross bearing pin 9 and nut 12 is connected to the first disc spring 10, the disc spring 11 of support member 7 and second on movable touch knife 6 in turn.
The longitudinal section of movable touch knife 6 is H-shaped；First disc spring 10 and the second disc spring 11 are located at the both sides of movable touch knife 6, branch respectively
Support member 7 is located at the inside of movable touch knife 6；Face and the opening position of bearing pin 9 are provided with through hole 13 on grading shield 8.
The isolation static contact 2 and grounding static contact 3 are cast in pole 1；Pole 1 is provided with leading-out terminal
14 and and cabinet bus 15；Isolate the one end of static contact 2 connection leading-out terminal 14, other end connection and cabinet bus 15.
The described and top of cabinet bus 15 is provided with vacuum interrupter 16；Vacuum interrupter 16 is located at the lower section of isolation static contact 2,
And in pole 1.
The material of the turn-screw 4 is insulating materials；Pole 1 is by opaque insulating materials pouring molding.
The material of the pole 1 is epoxy resin or the nylon containing glass fibre；The turn-screw 4 is phenolic aldehyde
Cotton laminated rod；The pole 1 is provided with observation window 17, the position of observation window 17 with isolate static contact 2, slider 5 and
The position of grounding static contact 3 is corresponding.
The course of work of the present embodiment is：
In use, manually or with existing driving equipment rotating turn-screw 4, rotatable turn-screw 4 makes slip
Contact 5 realizes combined floodgate-isolation-earthing position of three-station in the interior edge linear slide of pole 1.It is sliding in closing position
Moving contact 5 and isolation static contact 2 connect, and then realize the UNICOM of switch major loop；By rotating turn-screw 4, slider 5
When occuping isolation 3 centre position of static contact 2 and grounding static contact, now switch is in isolated location；It is rotated further turn-screw
4, slider 5 and grounding static contact 3 connect, and realize the ground connection of switchgear, and now switch is in earthing position.Whole work
During, observation window 17 reserved on pole 1 can be passed through, there is provided visual port, to facilitate observation three-station equipment
Physical location, facilitate operating personnel confirm switch combined floodgate, isolation and ground state.
The present embodiment direct-acting three-working-position isolation equipment, slider 5 can be driven by the rotation of turn-screw 4
Moved along a straight line in pole 1, realize combined floodgate-isolation-earthing position of three-station, have it is simple in construction, compact,
And it is applied to narrow space.
The present embodiment direct-acting three-working-position isolation equipment, slider 5 is simple in construction, and modular assembly can be achieved,
The movable touch knife grading shield 8 of optimization has uniform electric field, reduces the effect of equipment partial discharge amount.
The present embodiment direct-acting three-working-position isolation equipment, motive position and outside connection only have turn-screw 4, have
Beneficial to the sealing of pole, so as to reduce the condensation probability of switchgear, the performance of switchgear is improved.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, and difference is：The pole 1 is by transparent insulating materials
One-piece casting is molded；The material of pole 1 is makrolon；And because pole 1 is transparent in itself, therefore can directly see
The physical location of three-station equipment is examined, observation window 17 is not provided with pole 1, as shown in Figure 9.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
- A kind of 1. direct-acting three-working-position isolation equipment, it is characterised in that：Including pole (1), pole (1) interior edge Rectilinear direction is provided with isolation static contact (2), grounding static contact (3) and turn-screw (4)；The isolation static contact (2) and grounding static contact (3) are spaced in intervals setting, and both each set in pairs up and down Put；For the turn-screw (4) between two isolation static contacts (2), turn-screw (4) is provided with slider (5)；It is sliding Moving contact (5) can with turn-screw (4) rotation isolation static contact (2) and grounding static contact (3) between move back and forth and with Their intervals connect；Turn-screw (4) both ends are rotatablely connected with pole (1), and its one end stretches out pole (1).
- 2. direct-acting three-working-position isolation equipment according to claim 1, it is characterised in that：The slider (5) Including movable touch knife (6), support member (7), grading shield (8), disc spring and bearing pin (9)；The movable touch knife (6) is enclosed on turn-screw (4) On.
- 3. direct-acting three-working-position isolation equipment according to claim 1, it is characterised in that：On the movable touch knife (6) End and lower end are respectively equipped with 2 grading shields (8)；The disc spring is divided into the first disc spring (10) and the second disc spring (11)；It is dynamic to touch It is equipped with the region that 2 grading shields (8) of knife (6) upper end and 2 grading shields (8) of lower end each surround by bearing pin (9) The first disc spring (10), support member (7) and the second disc spring (11) being connected in turn with nut (12) on movable touch knife (6).
- 4. direct-acting three-working-position isolation equipment according to claim 3, it is characterised in that：The movable touch knife (6) is vertical Section is H-shaped；First disc spring (10) and the second disc spring (11) are located at the both sides of movable touch knife (6) respectively, and support member (7) touches positioned at dynamic The inside of knife (6)；Face and the opening position of bearing pin (9) are provided with through hole (13) on grading shield (8).
- 5. direct-acting three-working-position isolation equipment according to claim 1, it is characterised in that：The isolation static contact (2) it is cast in pole (1) with grounding static contact (3)；Pole (1) is provided with leading-out terminal (14) and and cabinet bus (15)；Isolate static contact (2) one end connection leading-out terminal (14), other end connection and cabinet bus (15).
- 6. direct-acting three-working-position isolation equipment according to claim 5, it is characterised in that：Described and cabinet bus (15) Top is provided with vacuum interrupter (16)；Vacuum interrupter (16) is located at pole positioned at the lower section of isolation static contact (2) (1) in.
- 7. the direct-acting three-working-position isolation equipment according to claim 1 to 6 any one, it is characterised in that：It is described The material of turn-screw (4) is insulating materials；Pole (1) is by opaque insulating materials pouring molding.
- 8. direct-acting three-working-position isolation equipment according to claim 7, it is characterised in that：The pole (1) Material be epoxy resin or the nylon containing glass fibre；The turn-screw (4) is phenolic aldehyde cotton laminated rod；The sealing Pole (1) is provided with observation window (17), and observation window (17) position is with isolating static contact (2), slider (5) and grounding static contact (3) position is corresponding.
- 9. the direct-acting three-working-position isolation equipment according to claim 1 to 6 any one, it is characterised in that：It is described Pole (1) is molded by transparent insulating materials one-piece casting.
- 10. direct-acting three-working-position isolation equipment according to claim 9, it is characterised in that：The pole (1) Material be makrolon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812376.6A CN107359077A (en) | 2017-09-11 | 2017-09-11 | A kind of direct-acting three-working-position isolation equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710812376.6A CN107359077A (en) | 2017-09-11 | 2017-09-11 | A kind of direct-acting three-working-position isolation equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107359077A true CN107359077A (en) | 2017-11-17 |
Family
ID=60291511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710812376.6A Pending CN107359077A (en) | 2017-09-11 | 2017-09-11 | A kind of direct-acting three-working-position isolation equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107359077A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108269712A (en) * | 2018-01-08 | 2018-07-10 | 许继集团有限公司 | A kind of on-pole switch and its built-in isolating device |
| CN111696819A (en) * | 2020-05-13 | 2020-09-22 | 平高集团有限公司 | Solid-sealed polar pole and ring main unit using same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202758799U (en) * | 2012-08-01 | 2013-02-27 | 厦门协成实业有限公司 | Isolation switch |
| CN103400720A (en) * | 2013-07-27 | 2013-11-20 | 北海银河开关设备有限公司 | Solid insulation pole |
| CN203367125U (en) * | 2013-07-27 | 2013-12-25 | 北海银河开关设备有限公司 | Switch moving blade |
| CN204117946U (en) * | 2014-08-15 | 2015-01-21 | 浙江道笃智能开关有限公司 | Combination pole |
| CN105206464A (en) * | 2015-08-17 | 2015-12-30 | 平高集团威海高压电器有限公司 | Three-station isolation grounding switch and GIS equipment equipped with the three-station isolation grounding switch |
| CN205069483U (en) * | 2015-09-18 | 2016-03-02 | 江苏南瑞恒驰电气装备有限公司 | Earthing device is kept apart to linear motion type |
| CN105869942A (en) * | 2016-04-01 | 2016-08-17 | 广州白云电器设备股份有限公司 | Three-position isolation switch for switch cabinet |
| CN207338228U (en) * | 2017-09-11 | 2018-05-08 | 国电博纳（北京）电力设备有限公司 | A kind of direct-acting three-working-position isolation equipment |
-
2017
- 2017-09-11 CN CN201710812376.6A patent/CN107359077A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202758799U (en) * | 2012-08-01 | 2013-02-27 | 厦门协成实业有限公司 | Isolation switch |
| CN103400720A (en) * | 2013-07-27 | 2013-11-20 | 北海银河开关设备有限公司 | Solid insulation pole |
| CN203367125U (en) * | 2013-07-27 | 2013-12-25 | 北海银河开关设备有限公司 | Switch moving blade |
| CN204117946U (en) * | 2014-08-15 | 2015-01-21 | 浙江道笃智能开关有限公司 | Combination pole |
| CN105206464A (en) * | 2015-08-17 | 2015-12-30 | 平高集团威海高压电器有限公司 | Three-station isolation grounding switch and GIS equipment equipped with the three-station isolation grounding switch |
| CN205069483U (en) * | 2015-09-18 | 2016-03-02 | 江苏南瑞恒驰电气装备有限公司 | Earthing device is kept apart to linear motion type |
| CN105869942A (en) * | 2016-04-01 | 2016-08-17 | 广州白云电器设备股份有限公司 | Three-position isolation switch for switch cabinet |
| CN207338228U (en) * | 2017-09-11 | 2018-05-08 | 国电博纳（北京）电力设备有限公司 | A kind of direct-acting three-working-position isolation equipment |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108269712A (en) * | 2018-01-08 | 2018-07-10 | 许继集团有限公司 | A kind of on-pole switch and its built-in isolating device |
| CN111696819A (en) * | 2020-05-13 | 2020-09-22 | 平高集团有限公司 | Solid-sealed polar pole and ring main unit using same |
| CN111696819B (en) * | 2020-05-13 | 2023-04-07 | 平高集团有限公司 | Solid-sealed polar pole and ring main unit using same |
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| PB01 | Publication | ||
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Application publication date: 20171117 |