CN202513073U - Insulation tube and main circuit structure employing same - Google Patents
Insulation tube and main circuit structure employing same Download PDFInfo
- Publication number
- CN202513073U CN202513073U CN2012200815795U CN201220081579U CN202513073U CN 202513073 U CN202513073 U CN 202513073U CN 2012200815795 U CN2012200815795 U CN 2012200815795U CN 201220081579 U CN201220081579 U CN 201220081579U CN 202513073 U CN202513073 U CN 202513073U
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- China
- Prior art keywords
- insulating cylinder
- major loop
- loop structure
- conductive insert
- vacuum interrupter
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Abstract
The utility model relates to an insulation tube and a main circuit structure employing same. The insulation tube comprises an insulation tube body, a first conductive insert and a second conductive insert, wherein the first conductive insert and the second conductive insert are located in the insulation tube body. An arc-extinguishing chamber cavity, a grounding hole, an upper line outgoing end and a lower line outgoing end are arranged in the insulation tube body. The first conductive insert is fixed at the lower end of the arc-extinguishing chamber cavity. The grounding hole is arranged at the bottom of the insulation tube body. The upper line outgoing end and the lower line outgoing end are located on the side of the insulation tube body. According to the insulation tube, a solid insulation material is used as an outer insulation medium. The main circuit structure employing the insulation tube further comprises a vacuum arc-extinguishing chamber arranged in the insulation tube, an arc-extinguishing chamber insulation pull rod which is connected with the vacuum arc-extinguishing chamber and an isolation knife assembly which works in combination with the arc-extinguishing chamber insulation pull rod. According to the utility model, the insulation tube and the main circuit structure employing the insulation tube not only save space and materials, but also improve product safety, do not emit any toxic substances, are in full compliance with environmental protection requirements, and are convenient to use.
Description
Technical field
The utility model relates to high voltage electrical apparatus technical field, relates in particular to a kind of insulating cylinder in the high-voltage switch gear field and adopts the major loop structure of this insulating cylinder.
Background technology
In the ring network power supply field, the ring main unit of prior art generally is divided into air insulation and SF
6Two kinds of gas-insulateds.That is the major loop that, is installed in the ring main unit insulating cylinder partly adopts air or SF
6Gas is as its dielectric.Than air insulation ring main unit, SF
6The gas ring main unit is little because of its volume, all insulation, hermetically sealedly make reliability and fail safe higher, therefore is widely used in the urban distribution network.But, SF
6Gas is one of generally acknowledged greenhouse gas in the whole world, and its greenhouse effect are CO
22500 times of gas, the survival life-span in atmosphere is 3400, and can under high pressure arc extinguishing environment, produce toxic gas fluoride (SF
4, S
2F
10), meeting is contaminated environment seriously.In addition, because the SF that adopts
6Gas is carrying out having toxicity behind the arc extinguishing, for anti-heads, SF
6The gas ring main unit is high to sealing requirements, processing technology is complicated, causes the casing cost high, safeguards and detects complicacy, and degree of protection is also not enough, and electrified body exposes at SF
6In the gas, be prone to cause the corrosion of electrified body, reduced the grade of insulation, very easily cause human casualty accident.
Therefore, need a kind of novel insulating cylinder and adopt the major loop structure of this insulating cylinder, to substitute SF
6Gas-insulated, the major loop part that promptly is installed in the ring main unit insulating cylinder does not adopt SF
6Gas is as its dielectric.
The utility model content
In view of the problems referred to above that exist in the prior art, the utility model provides a kind of novel insulating cylinder and has adopted the major loop structure of said insulating cylinder.Said insulating cylinder is sealed in the leading electricity part of vacuum interrupter, isolation and the earthed switch of switch (circuit breaker or on-load switch) by in the epoxy resin enclosed cavity, has both saved space and material, has improved security of products again.And, adopt vacuum as interior insulation and arc-extinguishing medium and with solid insulating material as the external insulation medium, do not discharge any poisonous material, complete compliance with environmental protection requirements.In addition, said insulating cylinder and adopt the easy design of the major loop structure of said insulating cylinder to use.
To achieve these goals, the utility model has adopted following technical proposals:
A kind of insulating cylinder comprises the insulating cylinder body, it is characterized in that: said insulating cylinder also comprises and is positioned at intrinsic first conductive insert of said insulating cylinder and second conductive insert; Be provided with arc control device cavity, ground hole in the wherein said insulating cylinder body, go up leading-out terminal and lower wire end, said first conductive insert is fixed on the lower end of said arc control device cavity, and said ground hole is set at the bottom of said insulating cylinder body; And said upward leading-out terminal and lower wire end are positioned at the side of said insulating cylinder body; And wherein said insulating cylinder adopts solid insulating material as the external insulation medium.
In one embodiment, an end of said second conductive insert connects saidly goes up leading-out terminal, and the other end of said second conductive insert connects said lower wire end, thus will said last leading-out terminal and lower wire end couple together.
In one embodiment, said insulating cylinder adopts the epoxy resin integral cast to process.
In one embodiment, said first conductive insert and second conductive insert by die casting in said insulating cylinder body.
The utility model has also disclosed a kind of major loop structure that adopts insulating cylinder; Comprise insulating cylinder and the vacuum interrupter that is arranged in the said insulating cylinder, it is characterized in that: said major loop structure also comprise the arc control device insulated tension pole that links to each other with said vacuum interrupter and with the isolation knife assembly of said arc control device insulated tension pole cooperating; And wherein said major loop structure adopts aforesaid insulating cylinder.
In one embodiment; Said vacuum interrupter is fixed in the said arc control device cavity; One end of wherein said vacuum interrupter is that quiet end also is connected with said first conductive insert through quiet guide rod, and the other end of said vacuum interrupter is that the moved end also links to each other with said arc control device insulated tension pole through moving guide rod.
In one embodiment, said major loop structure also comprise be flexible coupling with the isolate conductive piece; A wherein said end that is flexible coupling is pressed on the moved end of said vacuum interrupter through said arc control device insulated tension pole, and the other end is fixed on the said isolate conductive piece; Said isolate conductive piece is fixed on the insulating cylinder.
In one embodiment, the said isolation knife assembly isolated insulation pull bar that comprises isolation knife, be installed in the stage clip on the said isolation knife and be connected with said isolation knife; Said isolation knife assembly is connected with the outlet conducting block of said major loop structure through bearing pin, so that rotate around bearing pin; Wherein when said isolated insulation pull bar moved upward, an end of said isolation knife inserted said isolate conductive piece, thereby realized the conducting of said vacuum interrupter and said upper and lower leading-out terminal; When said isolated insulation pull bar moved downward, an end of said isolation knife inserted the ground connection conducting block of said major loop structure, thereby made said upper and lower leading-out terminal and conducting of said ground connection conducting block and ground connection.Wherein said stage clip is guaranteed the contact pressure between isolation knife and isolate conductive piece, the ground connection conducting block through elastic acting force.
In one embodiment, be filled with silica gel layer between said vacuum interrupter and the said insulating cylinder; Perhaps when said insulating cylinder die casting, vacuum interrupter is encapsulated in the said insulating cylinder.
In one embodiment, said when going up the leading-out terminal wiring when adopting, with sealing cap the lower wire end sealing-in is insulated; When adopting said lower wire end wiring, leading-out terminal is insulated with the outlet shutoff.
Compared with prior art, the insulating cylinder of the utility model and adopt the major loop structure of said insulating cylinder to have following advantage and effect: the insulating cylinder of the utility model and adopt the major loop structure of said insulating cylinder to save space and material and improved security of products; Do not discharge any poisonous material, fully compliance with environmental protection requirements; And it is user-friendly.
Description of drawings
Embodiment below reading in conjunction with the drawings can be understood the utility model better.Wherein:
Fig. 1 is the sketch map according to the insulating cylinder of an embodiment of the utility model.
Fig. 2 is the sketch map according to the major loop structure of the employing insulating cylinder shown in Figure 1 of an embodiment of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment to the insulating cylinder of the utility model and adopt the major loop structure of this insulating cylinder to do further to specify.
Fig. 1 shows the structural representation according to the insulating cylinder of an embodiment of the utility model.As shown in the figure, first conductive insert 103 and second conductive insert 104 that insulating cylinder 200 comprises insulating cylinder body 100 and is positioned at insulating cylinder body 100.Insulating cylinder body 100 adopts the epoxy resin integrals cast, makes through the automatic pressure gel technology, and with first conductive insert 103 and 104 die casting of second conductive insert portion within it.The material of first conductive insert 103 and second conductive insert 104 can be copper or aluminium.Be provided with arc control device cavity 101, ground hole 102 in the insulating cylinder body 100, go up leading-out terminal 105 and lower wire end 106.First conductive insert 103 is fixed on the lower end of arc control device cavity 101, preferably is on the same axis with arc control device cavity 101.One end of second conductive insert 104 connects goes up leading-out terminal 105, and other end connection lower wire end 106, thereby upper and lower leading-out terminal 105,106 is coupled together.In the present embodiment, last leading-out terminal 105 and lower wire end 106 can be positioned at the side of insulating cylinder body 100.Ground hole 102 is set at the bottom of insulating cylinder body 100, is preferably placed between first conductive insert 103 and second conductive insert 104.
Fig. 2 shows an embodiment according to the utility model, adopts the major loop structure of insulating cylinder shown in Figure 1.As shown in Figure 2, major loop structure 250 comprises insulating cylinder 200, be arranged on the vacuum interrupter 201 in the insulating cylinder 200, the arc control device insulated tension pole 204 that links to each other with vacuum interrupter 201 1 ends and with the isolation knife assembly 205 of arc control device insulated tension pole 204 cooperatings.
In addition, major loop structure 250 also comprises outlet conducting block 210, sleeve pipe 206, sealing cap 207, ground connection conducting block 208, is flexible coupling 203 and isolate conductive piece 202.Outlet conducting block 210 is screwed the upper end at second conductive insert 104.The through hole that sleeve pipe 206 passes leading-out terminal 105 and outlet conducting block 210 are connected through screw.Lower wire end 106 can be used sealing cap 207 sealing-ins insulation.Ground connection conducting block 208 passes the ground hole 102 on the insulating cylinder 200, is fixed to insulating cylinder 200 through nut 209.
When work, the major loop structure 250 of the utility model is accomplished the combined floodgate/separating brake of switch through the action of circuit breaker operation mechanism 242 and isolated operation mechanism 245.When needs closed a floodgate, circuit breaker operation mechanism 242 drove the moving guide rod 214 of arc control device through arc control device insulated tension pole 204 and moves downward, and makes and moves guide rod 214 and quiet guide rod 215 conductings, accomplishes switch and closes a floodgate.Simultaneously, isolated operation mechanism 245 drives isolated insulation pull bar 212 and moves upward, so that an end of isolation knife 211 inserts in the isolate conductive piece 202, thus the conducting of realization vacuum interrupter 201 and upper and lower leading-out terminal 105,106.When the needs separating brake, circuit breaker operation mechanism 242 drives the moving guide rod 214 of arc control device through arc control device insulated tension pole 204 and moves upward, and makes the quiet guide rod 215 of moving guide rod 214 of arc control device and arc control device break off, and accomplishes the switch separating brake.Simultaneously; Isolated operation mechanism 245 drives isolated insulation pull bar 212 and moves downward; So that an end of isolation knife 211 inserts in the ground connection conducting block 208, thereby be grounded the conducting of conducting block 208 and upper and lower leading-out terminal 105,106 and make upper and lower leading-out terminal 105,106 ground connection.
In an embodiment of the utility model,, greatly facilitate the user and use because the solid insulation major loop structure has adopted two leading-out terminals up and down.When adopting upward leading-out terminal 105 wiring, with sealing cap 207 lower wire end 106 sealing-ins are insulated, thus the insulation of realization lower wire end 106.When adopting lower wire end 106 wiring, will go up leading-out terminal 105 usefulness outlet shutoff and substitute sleeve pipe 206, thereby realize going up the insulation of leading-out terminal 105.
The insulating cylinder of the utility model and adopt this insulating cylinder major loop structure since with solid insulating material as the external insulation medium; Make the appearance of vacuum interrupter not receive the pollution of surrounding environment, insulation property, anti-filthy, anti-condensation ability are all had greatly improve; Anti-ozone, uvioresistant, ageing resistance and mechanical strength have also been improved.The vacuum extinction outside is furnished with the epoxy resin of sealing, and adopts vacuum as interior insulation and arc-extinguishing medium, guarantees the extremely strong security performance of vacuum interrupter, switch explosion hazard when avoiding arcing.
The utility model is not limited to above-mentioned embodiment, and those skilled in the art can be according to the instruction of the utility model to the insulating cylinder of the utility model and adopt the major loop structure of said insulating cylinder to make various modifications and variation.All such modifications all should drop within the protection range of the utility model with changing.Though the most preferred embodiment of the utility model shown in the drawings, in practical application, the insulating cylinder of the utility model and adopt the major loop structure of said insulating cylinder not necessarily to comprise the characteristic that all have illustrated fully.Therefore, the protection range of the utility model should be definite by the most preferred embodiment of the utility model, and should confirm according to the content of appended claims.
Claims (10)
1. an insulating cylinder comprises the insulating cylinder body, it is characterized in that:
Said insulating cylinder also comprises and is positioned at intrinsic first conductive insert of said insulating cylinder and second conductive insert;
Be provided with arc control device cavity, ground hole in the wherein said insulating cylinder body, go up leading-out terminal and lower wire end, said first conductive insert is fixed on the lower end of said arc control device cavity, and said ground hole is set at the bottom of said insulating cylinder body; And said upward leading-out terminal and lower wire end are positioned at the side of said insulating cylinder body;
And wherein said insulating cylinder adopts solid insulating material as the external insulation medium.
2. insulating cylinder according to claim 1 is characterized in that:
One end of said second conductive insert connects saidly goes up leading-out terminal, and the other end of said second conductive insert connects said lower wire end, thus will said last leading-out terminal and lower wire end couple together.
3. insulating cylinder according to claim 2 is characterized in that:
Said insulating cylinder adopts the epoxy resin integral cast to process.
4. insulating cylinder according to claim 3 is characterized in that:
Said first conductive insert and second conductive insert by die casting in said insulating cylinder body.
5. a major loop structure that adopts insulating cylinder comprises insulating cylinder and the vacuum interrupter that is arranged in the said insulating cylinder, it is characterized in that:
Said major loop structure also comprise the arc control device insulated tension pole that links to each other with said vacuum interrupter and with the isolation knife assembly of said arc control device insulated tension pole cooperating;
And wherein said major loop structure adopts like the described insulating cylinder of arbitrary claim among the claim 1-4.
6. major loop structure according to claim 5 is characterized in that:
Said vacuum interrupter is fixed in the said arc control device cavity; One end of wherein said vacuum interrupter is that quiet end also is connected with said first conductive insert through quiet guide rod, and the other end of said vacuum interrupter is that the moved end also links to each other with said arc control device insulated tension pole through moving guide rod.
7. major loop structure according to claim 6 is characterized in that:
Said major loop structure also comprise be flexible coupling with the isolate conductive piece; A wherein said end that is flexible coupling is pressed on the moved end of said vacuum interrupter through said arc control device insulated tension pole, and the other end is fixed on the said isolate conductive piece; Said isolate conductive piece is fixed on the insulating cylinder.
8. major loop structure according to claim 7 is characterized in that:
The isolated insulation pull bar that said isolation knife assembly comprises isolation knife, is installed in the stage clip on the said isolation knife and is connected with said isolation knife; Said isolation knife assembly is connected with the outlet conducting block of said major loop structure through bearing pin, so that rotate around bearing pin;
Wherein when said isolated insulation pull bar moved upward, an end of said isolation knife inserted said isolate conductive piece, thereby realized the conducting of said vacuum interrupter and said upper and lower leading-out terminal; When said isolated insulation pull bar moved downward, an end of said isolation knife inserted the ground connection conducting block of said major loop structure, thereby made said upper and lower leading-out terminal and conducting of said ground connection conducting block and ground connection;
Wherein said stage clip is guaranteed the contact pressure between said isolation knife and said isolate conductive piece, the ground connection conducting block through elastic acting force.
9. major loop structure according to claim 8 is characterized in that:
Be filled with silica gel layer between said vacuum interrupter and the said insulating cylinder; Perhaps when said insulating cylinder die casting, vacuum interrupter is encapsulated in the said insulating cylinder.
10. major loop structure according to claim 9 is characterized in that:
Said when going up the leading-out terminal wiring when adopting, with sealing cap the lower wire end sealing-in is insulated;
When adopting said lower wire end wiring, leading-out terminal is insulated with the outlet shutoff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200815795U CN202513073U (en) | 2012-03-06 | 2012-03-06 | Insulation tube and main circuit structure employing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200815795U CN202513073U (en) | 2012-03-06 | 2012-03-06 | Insulation tube and main circuit structure employing same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202513073U true CN202513073U (en) | 2012-10-31 |
Family
ID=47065537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200815795U Expired - Fee Related CN202513073U (en) | 2012-03-06 | 2012-03-06 | Insulation tube and main circuit structure employing same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202513073U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103928261A (en) * | 2013-01-16 | 2014-07-16 | 王永法 | Hybrid all-insulated switch |
| CN104466708A (en) * | 2014-12-03 | 2015-03-25 | 珠海市可利电气有限公司 | 12 kV solid insulation single-phase and single-cavity sealed type shell |
| US9269515B2 (en) | 2012-12-25 | 2016-02-23 | Beijing Huadong Senyuan Electric Co., Ltd. | Insulating cylinder and a main circuit structure using the same |
| CN109148207A (en) * | 2018-08-30 | 2019-01-04 | 许昌永新电气有限公司 | A kind of outdoor pole top switch major loop drive mechanism |
-
2012
- 2012-03-06 CN CN2012200815795U patent/CN202513073U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9269515B2 (en) | 2012-12-25 | 2016-02-23 | Beijing Huadong Senyuan Electric Co., Ltd. | Insulating cylinder and a main circuit structure using the same |
| CN103928261A (en) * | 2013-01-16 | 2014-07-16 | 王永法 | Hybrid all-insulated switch |
| CN104466708A (en) * | 2014-12-03 | 2015-03-25 | 珠海市可利电气有限公司 | 12 kV solid insulation single-phase and single-cavity sealed type shell |
| CN109148207A (en) * | 2018-08-30 | 2019-01-04 | 许昌永新电气有限公司 | A kind of outdoor pole top switch major loop drive mechanism |
| CN109148207B (en) * | 2018-08-30 | 2023-11-14 | 许昌永新电气有限公司 | Main loop transmission structure for outdoor pole switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20190306 |