CN203813047U - Connecting device of insulating buses - Google Patents
Connecting device of insulating buses Download PDFInfo
- Publication number
- CN203813047U CN203813047U CN201420150079.1U CN201420150079U CN203813047U CN 203813047 U CN203813047 U CN 203813047U CN 201420150079 U CN201420150079 U CN 201420150079U CN 203813047 U CN203813047 U CN 203813047U
- Authority
- CN
- China
- Prior art keywords
- insulating
- buses
- isolated bus
- bus
- isolated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000004020 conductor Substances 0.000 claims abstract description 11
- 238000009413 insulation Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002500 effect on skin Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Landscapes
- Installation Of Bus-Bars (AREA)
- Cable Accessories (AREA)
Abstract
The utility model discloses a connecting device of insulating buses. The connecting device of the insulating buses comprises an electrical connector, a metal tube, an electrical fixed component, an insulating sleeve and an insulating fixed component. The electrical connector is connected to conductors of two insulating buses needed to be connected in an overlapped mode, the two insulating buses are electrically connected, the metal tube is arranged outside of the electrical connector in a sleeved mode, the electrical connector is fixedly connected with the conductors of the insulating buses through the electrical fixed component, the insulating sleeve is arranged and fixed outside the metal tube and the insulating buses in a sleeved mode, and the insulating sleeve and the insulating buses are fixed by the insulating fixed component. The connecting device of the insulating buses is capable of effectively shielding high potential of an exposed metal piece located at the junction between the insulating buses, security and operational stability of an electrical power system are greatly improved, due to the fact that the insulating sleeve is applied, fitting allowance can be compensated, vibration of the buses is prevented, thermal expansion can be compensated, and the defect of the limitation on the manufacturing length is overcome.
Description
Technical field
The utility model relates between a kind of conductor and being connected and screening arrangement, particularly a kind of jockey of isolated bus.
Background technology
Along with China's rapid development of economy, entire society increases day by day to the demand of electric power.110kV and 220kV electric substation low-pressure side all adopt 10kV, 35kV electric pressure at present, and along with the increasing of main transformer capacity, the rated current of step down side inlet wire side is also continuing to increase.Conventional rectangular bus bar technically with structure on the more and more difficult requirement that meets bus heating and short-circuit electromotive force, cause thus the increase of supplementary load loss, skin effect coefficient, cause the decline of the ability of damming, CURRENT DISTRIBUTION inhomogeneous.Especially separate unit main transformer capacity is 180MVA and when above, main transformer 10kV outgoing line side not only has electric power problem, the heating problem of bus bridge itself, the heating problem that also has the reinforcing bar near the coagulation upper prop of bus bridge post insulator, steel framework and bus bridge, basis to cause in elect magnetic field inductive loop.
Insulation copper pipe bus, essence is exactly to utilize copper pipe to make a kind of bus bar products of conductor, external application insulation.The aluminum tube bus that insulate in addition of the chief minister's seal with it.Be referred to as abroad " tubular cable ".Insulation copper pipe bus has large electric current, at present the highlyest can reach 12000A, high mechanical properties, good insulation, the characteristic such as applied widely, so by increasing client's recognition and acceptance.Abroad, this series products has had history run and the experience of decades, and domestic shorter owing to entering this field time, and R&D capability, many-sided reasons such as the limitation of insulating material, the product produce at present, application mainly concentrating on 0.4kV ~ 35kV electric pressure.The above application example of 35kV is less.
This product also belongs to a little industry at home at present, and country not have specifically detailed product standard, and generally each enterprise all carries out the company standard of oneself, and all there are oneself naming method and specifications and models in the company of domestic production tubular dielectric bus.
And the single maximum length of isolated bus is regular length (air line distance between two-terminal); engineering Len req is greater than the bus of single fixed length; with many buses, adding one or more jockeys is formed by connecting; and junction can produce the high potential of exerteding metalwork conventionally between bus section, busbar section; to attendant, can cause very great life injury; also may cause accident and potential safety hazard in operation power process, affect normal social production life.
Utility model content
The purpose of this utility model is to provide a kind of jockey of isolated bus, and effectively the high potential of junction exerteding metalwork between shielding insulation bus section, busbar section, has improved fail safe and power system operation stability greatly; And, by insulating sleeve, can compensate build-up tolerance, prevent bus vibration; Thermal expansion is compensated; Overcome the limitation on factory length.
In order to realize above object, the utility model is achieved through the following technical solutions:
A jockey for isolated bus, comprises:
Electrical fitting, described electrical fitting is overlapped on the conductor of two isolated buses that need to connect, and makes two isolated buses electrical connections;
Metal cylinder, described metal cylinder is set in electrical fitting outside;
Electric fixation kit, described electric fixation kit is fixedly connected with electrical fitting with the conductor of isolated bus;
Insulating sleeve, described insulating sleeve is sheathed and to be fixed on metal cylinder and isolated bus outside;
Insulation fixation kit, described insulation fixation kit fixed insulation sleeve and isolated bus.
Described electric fixation kit comprises cooperation assembling: hex bolts, nuts and washers.
Described packing ring is steel washer.
Described insulation fixation kit comprises cooperation assembling: sealing ring and sealing flange.
Described electrical fitting is soft copper band.
Also comprise: earth clip, described earth clip is fixed on isolated bus, this earth clip ground connection of the earthing of isolated bus being connected with insulating sleeve by lead-out wire.
Also comprise: spring leaf, one end of described spring leaf is arranged on isolated bus, and its other end contacts with metal cylinder.
Described metal cylinder is aluminum barrel.
The utility model compared with prior art, has the following advantages:
Effectively the high potential of junction exerteding metalwork between shielding insulation bus section, busbar section, has improved fail safe and power system operation stability greatly;
By insulating sleeve, can compensate build-up tolerance, prevent bus vibration;
Thermal expansion is compensated;
Overcome the limitation on factory length.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the jockey of a kind of isolated bus of the utility model.
Embodiment
Below in conjunction with accompanying drawing, by describing a preferably specific embodiment in detail, the utility model is further elaborated.
As shown in Figure 1, a kind of jockey of isolated bus, comprises: electrical fitting 1, metal cylinder 2, electric fixation kit 3, insulating sleeve 5, insulation fixation kit 6.Wherein, electrical fitting 1 is overlapped on the conductor of two isolated buses 4 that need to connect, and makes 4 electrical connections of two isolated buses, and in the present embodiment, electrical fitting 1 is selected soft copper band, can pass through high-intensity electric current; Metal cylinder 2 is set in electrical fitting 1 outside, and in the present embodiment, metal cylinder 2 is selected aluminum barrel, effectively the high potential of junction exerteding metalwork between shielding insulation bus section, busbar section; Electric fixation kit 3 is fixedly connected with electrical fitting 1 with the conductor of isolated bus 4, in the present embodiment, electric fixation kit 3 comprises cooperation assembling: hex bolts, nuts and washers, packing ring is steel washer, dispersible pressure, thereby avoid the conductor of soft copper band and isolated bus 4 to cause local damage; Insulating sleeve 5 is sheathed and be fixed on metal cylinder 2 and isolated bus 4 outsides, and the sealing ring 61 of employing insulation fixation kit 6 and sealing flange 62 fixed insulation sleeves 5 and isolated buses 4, by the fixed installation of insulating sleeve 5, the safety that can guarantee two isolated buses 4 connects, overcome the limitation on isolated bus 3 single hop factory lengths, compensated the tolerance producing when isolated bus 4 connects, and prevented the vibration of bus, meanwhile, can compensate for heat expansion.
As shown in Figure 1, in the utility model, be also provided with earth clip 7, it is fixed on isolated bus 4, and this earth clip 7 is by earth connection 9 earthing of isolated bus 4 is connected with insulating sleeve 5 ground connection.
As shown in Figure 1, in the utility model, be also provided with spring leaf 8, its one end is arranged on isolated bus 4, and the other end is that aluminum barrel contacts with metal cylinder 2.
When installing, no matter installation site is indoor or outdoor, all should meet the following requirements: ambient temperature :-30～45 ℃; Height above sea level: be no more than 1000m; Wind speed: average 45m/s; Relative humidity: 90%.When two ends being installed independently during fixed insulation bus 4, need to be in strict accordance with operational procedure, prevent that isolated bus 4 from existing self-vibration, when connecting two isolated buses 4, in a side, load onto earth clip 7, on isolated bus 4, be set with in order sealing flange 62, sealing ring 61 etc., be set with again insulating sleeve 5, in the same way at opposite side suit sealing flange 62, sealing ring 61 etc., use respectively hex bolts, nuts and washers is provided with crooked soft copper band, spring leaf 8 should be arranged on isolated bus 4 so that insulating sleeve 5 can slide on isolated bus 4, last fastening insulative casing cylinder 5, do is like this fully to contact with aluminum barrel for scored bomb reed 8, with hex bolts, packing ring and packing ring are first fastening in a side, and then upper opposite side is fastening, should guarantee that earth clip 7 is connected with the reliable of connecting line simultaneously.
In sum, the jockey of a kind of isolated bus of the utility model, effectively the high potential of junction exerteding metalwork between shielding insulation bus section, busbar section, has improved fail safe and power system operation stability greatly; And, by insulating sleeve, can compensate build-up tolerance, prevent bus vibration; Thermal expansion is compensated; Overcome the limitation on factory length.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.Those skilled in the art, read after foregoing, for multiple modification of the present utility model with to substitute will be all apparent.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (8)
1. a jockey for isolated bus, is characterized in that, comprises:
Electrical fitting (1), described electrical fitting (1) is overlapped on the conductor of two isolated buses (4) that need to connect, and makes two isolated buses (4) electrical connection;
Metal cylinder (2), described metal cylinder (2) is set in electrical fitting (1) outside;
Electric fixation kit (3), described electric fixation kit (3) is fixedly connected with electrical fitting (1) with the conductor of isolated bus (4);
Insulating sleeve (5), described insulating sleeve (5) is sheathed and be fixed on metal cylinder (2) and isolated bus (4) outside;
Insulation fixation kit (6), described insulation fixation kit (6) fixed insulation sleeve (5) and isolated bus (4).
2. the jockey of isolated bus as claimed in claim 1, is characterized in that, described electric fixation kit (3) comprises and coordinates assembling: hex bolts, nuts and washers.
3. the jockey of isolated bus as claimed in claim 2, is characterized in that, described packing ring is steel washer.
4. the jockey of isolated bus as claimed in claim 1, is characterized in that, described insulation fixation kit (6) comprises and coordinates assembling: sealing ring (61) and sealing flange (62).
5. the jockey of isolated bus as claimed in claim 1, is characterized in that, described electrical fitting (1) is soft copper band.
6. the jockey of isolated bus as claimed in claim 1, it is characterized in that, also comprise: earth clip (7), it is upper that described earth clip (7) is fixed on isolated bus (4), this earth clip (7) ground connection of the earthing of isolated bus (4) being connected with insulating sleeve (5) by lead-out wire.
7. the jockey of the isolated bus as described in claim 1 or 6, is characterized in that, also comprises: spring leaf (8), and it is upper that one end of described spring leaf (8) is arranged on isolated bus (4), and its other end contacts with metal cylinder (2).
8. the jockey of isolated bus as claimed in claim 1, is characterized in that, described metal cylinder (2) is aluminum barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150079.1U CN203813047U (en) | 2014-03-31 | 2014-03-31 | Connecting device of insulating buses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420150079.1U CN203813047U (en) | 2014-03-31 | 2014-03-31 | Connecting device of insulating buses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813047U true CN203813047U (en) | 2014-09-03 |
Family
ID=51451763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420150079.1U Expired - Lifetime CN203813047U (en) | 2014-03-31 | 2014-03-31 | Connecting device of insulating buses |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203813047U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840276A (en) * | 2014-03-31 | 2014-06-04 | 国网上海市电力公司 | Connecting device of insulating buses |
| CN112448182A (en) * | 2019-09-03 | 2021-03-05 | 中国石油天然气股份有限公司 | Flange electrostatic bridging device |
-
2014
- 2014-03-31 CN CN201420150079.1U patent/CN203813047U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103840276A (en) * | 2014-03-31 | 2014-06-04 | 国网上海市电力公司 | Connecting device of insulating buses |
| CN112448182A (en) * | 2019-09-03 | 2021-03-05 | 中国石油天然气股份有限公司 | Flange electrostatic bridging device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140903 |
|
| CX01 | Expiry of patent term |