CN202221871U - Linear-shaped phase to phase all-solid insulating middle/high voltage switchgear - Google Patents
Linear-shaped phase to phase all-solid insulating middle/high voltage switchgear Download PDFInfo
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- CN202221871U CN202221871U CN2011203375523U CN201120337552U CN202221871U CN 202221871 U CN202221871 U CN 202221871U CN 2011203375523 U CN2011203375523 U CN 2011203375523U CN 201120337552 U CN201120337552 U CN 201120337552U CN 202221871 U CN202221871 U CN 202221871U
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- insulation
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- vacuum
- moving contact
- insulation booth
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Abstract
A linear-shaped phase to phase all-solid insulating middle/high voltage switchgear comprises three vacuum explosion chambers which are arranged in a linear shape; wherein upper parts and lower parts in the three vacuum explosion chambers are respectively provided with static contacts connected with upper terminals and moving contacts connected with moving contacting seats; a groove at a side surface of the each moving contacting seat is provided with an annular spring contact finger and a guide ring therein; the each moving contacting seat is sleevedly provided with a barrel-shaped lower terminal, the annular spring contact finger is matched with an inner barrel wall of the lower terminal in a sliding and pressing way, and a lower end of the moving contacting seat is provided with a drag link mechanism; an upper insulating box which is poured integrally is arranged outside the three vacuum explosion chambers, insulating buffer layers are injected into gaps between the upper insulating box and the three vacuum explosion chambers and gaps among the three vacuum explosion chambers; a lower insulating box is arranged outside the moving contacting seats and the drag link mechanisms; the upper insulating box and the lower insulating box are buttedly connected and fixed; and a buffer insulating layer is laid between the upper insulating box and the lower insulating box. The linear-shaped phase to phase all-solid insulating middle/high voltage switchgear of the utility model has the advantages of small size and reliable performance.
Description
Technical field
The utility model relates to a kind of mesohigh switchgear, the alternate solid insulation mesohigh of particularly a kind of in-line switchgear.
Background technology
The mesohigh switchgear generally all is made up of pole and two cores of operating mechanism at present, Gu air insulation-compound inslation-envelope insulation has been experienced in the insulation of the pole of mesohigh switchgear, this has just formed three generations's vacuum circuit-breaker.In first generation air insulation, live part exposes fully in air, and its insulation level changes along with airborne humidity, dust and colliding with of transportation, and is subject to the influence of foreign matters such as toy.In second generation compound inslation, in the epoxy resin sleeve, but this sleeve partly do not wrap electrification in high voltage fully with arc control device protections, and the inside also can receive the influence of dust, moisture, insect etc.Admittedly seal in the insulation at the third generation, directly with solid insulating material with the seamless coating of arc control device, vacuum interrupter and electric-conductor thereof and external environment are isolated fully, the influence of having avoided external force and external environment to constitute.
At present; The station owner leads the status Gu the envelope insulation is in the vacuum circuit-breaker the inside; But this insulation mode is mainly used in the solid envelope of single-phase form pole; Must leave certain distance in advance between phase and phase during this kind of vacuum circuit-breaker assembling pole, though on insulation property and space, improve, spaced apart still has very big reduction space to have much room for improvement.Because mesohigh technical field different fully with the low-voltage technology field (for example the mesohigh technical field is easy to generate electric arc and high temperature when switch opens and closes); So the technology that does not also have to use for reference can be used; Also can't accomplish miniaturization, centralization at present; Spacing still need be vacated very big space between phase and phase, has seriously increased circuit breaker main body structure and volume, has increased the power industry investment of devices virtually.
The utility model content
The utility model purpose is to provide the alternate solid insulation mesohigh of a kind of in-line switchgear, little, the dependable performance of volume.
To achieve these goals; The utility model adopts following technical scheme: the alternate solid insulation mesohigh of in-line switchgear comprises that three are the vacuum interrupter that in-line is arranged and is provided with, three indoor upper and lower fixed contact and moving contacts of being respectively equipped with of vacuum extinction; Fixed contact is connected with last terminals; Moving contact is connected with moving contact seat, is provided with ring spring fingertip and guide ring in the groove of the side of moving contact seat, and moving contact seat is arranged with the following terminals of tubular; The inner tube wall slip press fit of ring spring fingertip and following terminals, the lower end of moving contact seat is connected with drag link mechanism; The outside of three vacuum interrupters is provided with the integrated insulation booth of going up of cast, between last insulation booth and three vacuum interrupters and in three vacuum interrupter spaces each other, injects and is provided with the buffer insulation layer; Moving contact seat and drag link mechanism outside are provided with down insulation booth; Last insulation booth is fixing with following insulation booth butt joint, is equipped with buffer insulation layer between last insulation booth and the following insulation booth; The described insulation booth of going up uses material to be epoxy resin with following insulation booth, and the buffer insulation layer uses material to be silicon rubber with the buffering insulating barrier.
The thickness of the buffer insulation layer between two adjacent vacuum interrupters is more than or equal to 6mm.
Described drag link mechanism comprises insulated tension pole, contact compression spring, drawhead; The lower end of insulated tension pole is fixed with drawhead; Be provided with contact compression spring between the Switch main body of insulated tension pole and below, the pull bar actuating unit in the lower end of drawhead and the Switch main body is in transmission connection.
In following insulation booth, be provided with insulating barrier between moving contact seat and drag link mechanism and adjacent moving contact seat and the drag link mechanism.
The described sidewall of insulation booth down is provided with the umbrella skirt construction that is used to increase creep distance.
In described three vacuum interrupters, the upper and lower terminals of the vacuum interrupter of left part all are provided with towards the left side; The upper and lower terminals of the vacuum interrupter of right part all are provided with towards the right side; The upper and lower terminals of the vacuum interrupter at middle part are all towards preceding/rear side setting.
The utility model directly with solid insulating material with the seamless coating of arc control device, vacuum interrupter and electric-conductor thereof and external environment are isolated fully, have following beneficial effect:
1, continue circuit breaker yi word pattern arrangement design in the past, highly versatile, the switching manipulation structural design is simple;
2, the three-phase integrated insulation booth that seals admittedly, miniaturization more, structure and shape is novel;
3, insulation booth is the cast integrative-structure, can prevent to clash into, moisture and dust be to the influence of arc control device;
4, the stable performance technical parameter is good: effectively generation is put in inhibition office, and sticking the variation with close and firm, the high hot low temperature of tolerance impacted;
5, simple in structure, process procedure is few, production efficiency is high, cost price is low;
6, the cast-type pole of seriation can be used widely and can be satisfied the requirement of different weather conditions;
7, run duration is non-maintaining;
8, high-quality and high reliability.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the A-A cutaway view of Fig. 1.
Embodiment
Embodiment: like Fig. 1, shown in Figure 2; The alternate solid insulation mesohigh of in-line switchgear; Comprise that three are the vacuum interrupter 9 that in-line is arranged and is provided with; Upper and lower fixed contact and the moving contact of being respectively equipped with in three vacuum interrupters 9, fixed contact and last terminals (A go up mutually terminals 3, B go up terminals 2, C mutually go up terminals 7 mutually) connect, and moving contact is connected with moving contact seat 13; Be provided with ring spring fingertip 12 and guide ring 11 in the groove of the side of moving contact seat 13; Moving contact seat 13 is arranged with the following terminals (A descends terminals 4, B to descend terminals 5, C to descend terminals 14 mutually mutually mutually) of tubular, the inner tube wall slip press fit of ring spring fingertip 12 and following terminals, and the lower end of moving contact seat 13 is connected with drag link mechanism; Described drag link mechanism comprises insulated tension pole 15, contact compression spring 16, drawhead 18; The lower end of insulated tension pole 15 is fixed with drawhead 18 through pin 17; Be provided with contact compression spring 16 between the Switch main body 19 of insulated tension pole 15 and below, the pull bar actuating unit in the lower end of drawhead 18 and the Switch main body 19 is in transmission connection.The sidewall of following insulation booth 6 is provided with the umbrella skirt construction 21 that is used to increase creep distance.
Guide ring is to make with the good material of electric conductivity; Mix equally and turn to the ring spring fingertip, under the driving of insulated tension pole, sliding in the terminals vestibule down with the good material of electric conductivity; Good electrical conductivity when having guaranteed energising has effectively reduced friction again in slip; It is downward that insulated tension pole drives the vacuum interrupter fixed contact, and circuit breaks off to make the quiet end of vacuum interrupter separate then with the moved end; Insulated tension pole drives the vacuum interrupter fixed contact upwards, makes the quiet end of vacuum interrupter contact then power on circuitry closure with the moved end.
The outside of three vacuum interrupters 9 is provided with the integrated insulation booth 1 of going up of cast, between last insulation booth 1 and three vacuum interrupters 9 and in three vacuum interrupter 9 spaces each other, injects and is provided with buffer insulation layer 8; Moving contact seat 13 is provided with down insulation booth 6 with the drag link mechanism outside; Last insulation booth 1 is fixing with following insulation booth 6 butt joints, is equipped with buffer insulation layer 10 between last insulation booth 1 and the following insulation booth 6; Last insulation booth 1 uses material to be epoxy resin with following insulation booth 6, and buffer insulation layer 8 uses material to be silicon rubber with buffering insulating barrier 10.
The thickness of the buffer insulation layer 8 between two adjacent vacuum interrupters 9 is more than or equal to 6mm.
In following insulation booth 6, be provided with insulating barrier 20 between moving contact seat 13 and drag link mechanism and adjacent moving contact seat 13 and the drag link mechanism.
In three vacuum interrupters 9, the upper and lower terminals 3,4 of the vacuum interrupter of left part all are provided with towards the left side; The upper and lower terminals 7,14 of the vacuum interrupter of right part all are provided with towards the right side; The upper and lower terminals 2,5 of the vacuum interrupter at middle part are to be provided with to the front side in the present embodiment all towards preceding/rear side setting.
Practical implementation is following:
The insulation booth vacuum interrupter seals admittedly on the utility model: vacuum interrupter 9 is screwed at last terminals (comprising that A goes up terminals 3, B mutually and goes up terminals 2, C mutually and go up terminals 7 mutually); Three arc control device that install are set by the binding post direction be fixed in the mould; Exhausted box edge shell 1 in the indoor poured with epoxy resin moulding; Then arc control device in the insulation booth are done the resilient coating 8 that insulate with the outstanding outdoor silicon rubber injection of cementability and corrosion resistance, so main effect exactly with between vacuum extinction and vacuum interrupter, better bonding between vacuum interrupter and the insulation booth shell, fix, insulated.
The insulation booth vacuum interrupter is pre-installed after sealing admittedly on the utility model: be placed on 3 the fingertip assemblings (comprising moving contact seat 13, guide ring 11, ring spring fingertip 12) that install in advance on the vacuum interrupter moved end earlier; Add packing ring to drag link mechanism again and be anchored on the vacuum interrupter moved end to the fingertip assembling, guarantee that fingertip and moved end contact-making surface are adjacent to.
Insulation booth, binding post cast under the utility model: be fixed on 3 lower connecting terminals (comprising that A descends terminals 4, B to descend terminals 5, C to descend terminals 14 mutually mutually mutually), inserts in the mould by the orientation, with insulation booth shell 6 under the indoor poured with epoxy resin moulding.Consider down terminals and Switch main body insulation distance problem during the utility model design, the special umbrella skirt construction 21 that increases is used to increase creep distance; Vacuum interrupter increases insulating barrier between phase and phase simultaneously, guarantees phase insulation creep distance problem.
Dock assembling behind the upper and lower insulation booth casting complete of the utility model: laying one deck buffer insulation layer 10 on the insulation booth 6 down in advance during assembling; The outdoor silicon rubber that material selection quality flexible insulation property is good; Be used to reduce the contact stress between the insulation booth; And circuit breaker assembles, debugging is easy to maintenance, and it is placed on it the last insulation booth of sealing admittedly 1 that buffer insulation layer 10 lays the back, and fastening with screw; At this moment the buffer insulation layer of laying in the middle of 10 plays good insulation performance and sealing function because fastening compression is just well populated the slit.
The utility model adopts the three-phase integrated insulation booth that seals admittedly, can accomplish the minimum 6mm of being of thickness of buffer insulation layer 10 between phase and phase, according to the vacuum interrupter size of being selected for use, can breaker body be accomplished maximum miniaturization; After assembling is accomplished; To go up terminals connects with the mains with following terminals; Operating mechanism drives insulated tension pole 15 and drives the vacuum interrupter moved end, and vacuum interrupter is connected, and produces high-voltage arc and high temperature; Through between transition connect the effect of guide ring 11, ring spring fingertip 12; Make the vacuum interrupter moved end connect closely, conduct electricity very well, resistance is less relatively, sliding friction is little, good heat dissipation, guarantees that vacuum interrupter cut-offs to be not easy to be damaged under rated current, guarantees the breaker safe hanging net operation.
Claims (6)
1. the alternate solid insulation mesohigh of in-line switchgear; It is characterized in that: comprise that three are the vacuum interrupter that in-line is arranged and is provided with; Three indoor upper and lower fixed contact and moving contacts of being respectively equipped with of vacuum extinction, fixed contact is connected with last terminals, and moving contact is connected with moving contact seat; Be provided with ring spring fingertip and guide ring in the groove of the side of moving contact seat; Moving contact seat is arranged with the following terminals of tubular, the inner tube wall slip press fit of ring spring fingertip and following terminals, and the lower end of moving contact seat is connected with drag link mechanism; The outside of three vacuum interrupters is provided with the integrated insulation booth of going up of cast, between last insulation booth and three vacuum interrupters and in three vacuum interrupter spaces each other, injects and is provided with the buffer insulation layer; Moving contact seat and drag link mechanism outside are provided with down insulation booth; Last insulation booth is fixing with following insulation booth butt joint, is equipped with buffer insulation layer between last insulation booth and the following insulation booth; The described insulation booth of going up uses material to be epoxy resin with following insulation booth, and the buffer insulation layer uses material to be silicon rubber with the buffering insulating barrier.
2. the alternate solid insulation mesohigh of in-line according to claim 1 switchgear is characterized in that: the thickness of the buffer insulation layer between two adjacent vacuum interrupters is more than or equal to 6mm.
3. the alternate solid insulation mesohigh of in-line according to claim 1 and 2 switchgear; It is characterized in that: described drag link mechanism comprises insulated tension pole, contact compression spring, drawhead; The lower end of insulated tension pole is fixed with drawhead; Be provided with contact compression spring between the Switch main body of insulated tension pole and below, the pull bar actuating unit in the lower end of drawhead and the Switch main body is in transmission connection.
4. the alternate solid insulation mesohigh of in-line according to claim 3 switchgear is characterized in that: in following insulation booth, be provided with insulating barrier between moving contact seat and drag link mechanism and adjacent moving contact seat and the drag link mechanism.
5. the alternate solid insulation mesohigh of in-line according to claim 4 switchgear is characterized in that: the described sidewall of insulation booth down is provided with the umbrella skirt construction that is used to increase creep distance.
6. the alternate solid insulation mesohigh of in-line according to claim 5 switchgear is characterized in that: in described three vacuum interrupters, the upper and lower terminals of the vacuum interrupter of left part all are provided with towards the left side; The upper and lower terminals of the vacuum interrupter of right part all are provided with towards the right side; The upper and lower terminals of the vacuum interrupter at middle part are all towards preceding/rear side setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203375523U CN202221871U (en) | 2011-09-09 | 2011-09-09 | Linear-shaped phase to phase all-solid insulating middle/high voltage switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203375523U CN202221871U (en) | 2011-09-09 | 2011-09-09 | Linear-shaped phase to phase all-solid insulating middle/high voltage switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202221871U true CN202221871U (en) | 2012-05-16 |
Family
ID=46043892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203375523U Expired - Fee Related CN202221871U (en) | 2011-09-09 | 2011-09-09 | Linear-shaped phase to phase all-solid insulating middle/high voltage switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202221871U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832076A (en) * | 2012-08-31 | 2012-12-19 | 扬州扬开凯越科技有限公司 | Full-insulated full-enclosed compact type outdoor vacuum circuit breaker |
| CN104124099A (en) * | 2014-07-01 | 2014-10-29 | 珠海许继电气有限公司 | Solid-sealed polar pole of vacuum breaker |
| CN104269316A (en) * | 2014-09-10 | 2015-01-07 | 平高集团有限公司 | Solid-sealed polar pole and solid insulation ring main units using same |
| CN104599897A (en) * | 2015-02-09 | 2015-05-06 | 河北润志电气设备有限公司 | All-solid insulating vacuum circuit breaker |
-
2011
- 2011-09-09 CN CN2011203375523U patent/CN202221871U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102832076A (en) * | 2012-08-31 | 2012-12-19 | 扬州扬开凯越科技有限公司 | Full-insulated full-enclosed compact type outdoor vacuum circuit breaker |
| CN104124099A (en) * | 2014-07-01 | 2014-10-29 | 珠海许继电气有限公司 | Solid-sealed polar pole of vacuum breaker |
| CN104269316A (en) * | 2014-09-10 | 2015-01-07 | 平高集团有限公司 | Solid-sealed polar pole and solid insulation ring main units using same |
| CN104269316B (en) * | 2014-09-10 | 2018-03-02 | 平高集团有限公司 | Pole and the solid insulation ring main unit using the pole |
| CN104599897A (en) * | 2015-02-09 | 2015-05-06 | 河北润志电气设备有限公司 | All-solid insulating vacuum circuit breaker |
| CN104599897B (en) * | 2015-02-09 | 2016-08-24 | 河北润志电气设备有限公司 | Solid insulation vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: XUCHANG YONGXIN ELECTRIC CO., LTD. Free format text: FORMER NAME: XUCHANG YONGXIN APPLIANCE EQUIPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Ruixiang economic and Technological Development Zone Xuchang road 461000 in Henan Province Patentee after: Xuchang Yongxin Electric Co., Ltd. Address before: Ruixiang Xuchang economic and Technological Development Zone East Road Xuchang city Henan province 461000 Patentee before: Xuchang Yongxin Electrical Equipment Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120516 Termination date: 20190909 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |