CN203103760U - A bypass connecting device used between an uninterruptedly-operating European ring main unit and an uninterruptedly-operating American ring main unit - Google Patents
A bypass connecting device used between an uninterruptedly-operating European ring main unit and an uninterruptedly-operating American ring main unit Download PDFInfo
- Publication number
- CN203103760U CN203103760U CN 201220742286 CN201220742286U CN203103760U CN 203103760 U CN203103760 U CN 203103760U CN 201220742286 CN201220742286 CN 201220742286 CN 201220742286 U CN201220742286 U CN 201220742286U CN 203103760 U CN203103760 U CN 203103760U
- Authority
- CN
- China
- Prior art keywords
- cable
- european
- main unit
- ring main
- flexible cable
- 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
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 11
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 11
- 239000012212 insulator Substances 0.000 claims description 10
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 9
- 239000010949 copper Substances 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 230000007306 turnover Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Abstract
The utility model discloses a bypass connecting device used between an uninterruptedly-operating European ring main unit and an uninterruptedly-operating American ring main unit. The bypass connecting device is disposed between the European ring main unit and the American ring main unit and comprises a first flexible cable connecting device, a bypass switch, and a second flexible cable connecting device which are connected successively. A European cable terminal is formed by a T-shaped sleeve and a cable connecting terminal which can be separated. A cable equipped with the cable connecting terminal can be firstly introduced from the entrance hole of the European ring main unit and then the cable is inserted from the bottom port of the vertical pipe portion of the T-shaped sleeve. Therefore, the connection between the European cable terminal and the European cable sleeve is substantially facilitated. By using the communicated characteristic of the shielded wire of the flexible cable, a grounding point is changed from the cable terminal to the bypass switch and a grounding wire is not required to be laid. The flexible cable connecting device has characteristics of a simple structure, easy use, reducing an operating range, facilitating overhaul operation without power cut, and increasing the power supplying reliability of a line.
Description
Technical field
The utility model relates to a kind of bypass jockey that is used for uninterrupted operation between European and American ring main unit.
Background technology
When underground cable needed repairing unusually between two ring main units, after taking ground to lay the bypass jockey and carrying out safety prevention measure, replacing underground cable by the bypass jockey was the ring main unit power supply, reaches the purpose of (the few power failure) maintenance that do not have a power failure.
The bypass jockey is mainly by by-pass switch, and an end is provided with the cable termination that joins with the cable sleeve of ring main unit, the flexible cable that the other end links to each other with by-pass switch is formed.
At present, the cable sleeve that is positioned at European ring main unit adopts all insulation, totally-enclosed, hermetic cable termination more, and this cable termination can't separate with the cable that is attached thereto.
When laying the operation of bypass jockey, because the space in European looped network cabinet wire hole is less, and it is bigger with the sealing of bypass jockey for the volume of the cable termination of one, can't enter European ring main unit by entrance hole smoothly, the difficulty that causes the bypass jockey to be connected with European ring main unit increases, often enlarge job area with being connected of bypass jockey, make troubles for not interruption maintenance operation because of implementing effective ring main unit.
Simultaneously, the ground connection of bypass jockey mainly is to realize by the earth connection of being located on the cable termination metallic shield shell, join with ground, but, because the bypass jockey mainly is reply breakdown repair, defect processing, need safety, quick and easy construction, and such earthing mode makes and also to need to set up in addition earth connection when laying the bypass jockey, has increased engineering time and difficulty, makes troubles for not interruption maintenance operation.
Summary of the invention
The purpose of this utility model provides a kind of bypass jockey that is used for uninterrupted operation between European and American ring main unit simple in structure, easy to use exactly in order to address the above problem.
The purpose of this utility model is achieved in that
A kind of bypass jockey that is used for uninterrupted operation between European and American ring main unit of the present utility model, this bypass jockey is located between European ring main unit and the American ring main unit, comprise the first flexible cable jockey, the by-pass switch of the second flexible cable jockey and the earthing of casing, the described first flexible cable jockey, one end is connected with described European ring main unit, the other end is connected with described by-pass switch, the described second flexible cable jockey, one end is connected with described American ring main unit, the other end is connected with described by-pass switch, European cable termination and plug-in snap joint that the described first flexible cable jockey comprises flexible cable and is located at these flexible cable two ends respectively, American cable termination and plug-in snap joint that the described second flexible cable jockey comprises flexible cable and is located at these flexible cable two ends respectively, described flexible cable comprises sheath from outside to inside, the tinned copper wire screen, sheath and tin-coated copper conductor, described European cable termination is plugged on the European cable sleeve of described European ring main unit, described European cable sleeve comprises pedestal and is located at the bolt of pedestal front end, described American cable termination is plugged on the American cable sleeve of described American ring main unit, described plug-in snap joint is plugged on the turnover thread casing of described by-pass switch, wherein
Described European cable termination comprises the T molded cannula, is located at the cable connecting terminal and the insulator seal plug of described flexible cable one end, described T molded cannula comprises transverse pipe portion and the vertical duct portion that is interconnected, the pedestal of described cable sleeve is plugged in the left side of described transverse pipe portion, and place to described bolt transverse horizontal described transverse pipe portion, described cable connecting terminal is inserted and is socketed on the described bolt by the lower port of described vertical duct portion, described insulator seal plug is plugged in the right side of described transverse pipe portion, and the front end of this insulator seal plug and described bolt is spirally connected;
Described American cable termination comprises the elbow molded cannula, is located at the cable crimp type terminal and the plug bar of described flexible cable one end, described cable crimp type terminal is inserted by the lower port of described elbow molded cannula, described plug bar is inserted by the upper port of described elbow molded cannula and the one end is fixed on the described cable crimp type terminal, and the other end protrudes in the upper port of described elbow molded cannula;
Described plug-in snap joint comprises the glue core, be sheathed on the metal shell and the center needle in the described glue core outside, described glue core comprise by through hole be interconnected on, lower chamber, and the internal diameter of described through hole is all less than last, the internal diameter of lower chamber, described center needle comprises contact pin portion and wire connecting portion, and the external diameter of described wire connecting portion is greater than the internal diameter of described through hole, described contact pin portion inserts and places in the described upper cavity from the lower port of described through hole, described wire connecting portion is sticked in the lower port place of described through hole and places in the described lower chamber, the tin-coated copper conductor of described flexible cable one end is plugged in the described wire connecting portion, and the tinned copper wire screen of described flexible cable is located between described glue core and the metal shell.
Above-mentioned a kind of bypass jockey that is used for uninterrupted operation between European and American ring main unit, wherein, described plug bar comprises end to end arc extinguishing bar and conducting rod, described cable crimp type terminal comprises wire connecting portion and connecting portion, the tin-coated copper conductor of described flexible cable one end is plugged in the described wire connecting portion, one end of described connecting portion and described conducting rod is spirally connected, and a distal process of described arc extinguishing bar is for the upper port of described elbow molded cannula.
Cable termination in the utility model is made up of separable T molded cannula and cable connecting terminal, during construction, the cable that will have cable connecting terminal is earlier introduced from the entrance hole of European ring main unit, again its lower port from T molded cannula vertical duct portion is inserted, greatly facilitated being connected of cable termination and European ring main unit cable sleeve.
Simultaneously, the characteristic that the utility model utilizes the flexible cable shielding conductor to be communicated with completely, earth point is guided to the by-pass switch place from cable termination, because by-pass switch itself is a ground connection, therefore need not to set up in addition earth connection, be convenient to construction of bypass jockey and not interruption maintenance operation, also be applicable to the situation that the ring main unit space is less simultaneously, improve the line powering reliability greatly.
This shows that the utility model bypass jockey is simple in structure, easy to use, has reduced job area, is convenient to not interruption maintenance operation, improve the line powering reliability.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the first flexible cable jockey in the utility model;
Fig. 3 is the structural representation of the second flexible cable jockey in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See also Fig. 1, there is shown the bypass jockey that the utility model is used for uninterrupted operation between European and American ring main unit, this bypass jockey is located between European ring main unit 1 and the American ring main unit 5, the by-pass switch 3 that comprises the first flexible cable jockey 6, the second flexible cable jockey 7 and the earthing of casing, the first flexible cable jockey, 6 one ends are connected with European ring main unit 1, the other end is connected with by-pass switch 3, the second flexible cable jockey, 7 one ends are connected with American ring main unit 5, and the other end is connected 3 with by-pass switch.
See also Fig. 2, there is shown the first flexible cable jockey, the first flexible cable jockey 6 comprises European cable termination, flexible cable 9 and plug-in snap joint 2, flexible cable 9 comprises sheath 94, tinned copper wire screen 93, sheath 92 and tin-coated copper conductor 91 from outside to inside, European cable termination is plugged on the European cable sleeve of European ring main unit 1, European cable sleeve comprises pedestal 11 and is located at the bolt 12 of pedestal 11 front ends that plug-in snap joint 2 is plugged on the turnover thread casing 31 of by-pass switch 3;
European cable termination comprises T molded cannula 4, is located at the cable connecting terminal 44 and the insulator seal plug 45 of flexible cable 9 one ends, T molded cannula 4 comprises transverse pipe portion 41 and the vertical duct portion 42 that is interconnected, and is square opening 43 at the inner chamber of the intersection of transverse pipe portion 41 and vertical duct portion 42; The pedestal 11 of European cable sleeve is plugged in the left side of transverse pipe portion 41, and bolt 12 transverse horizontal place transverse pipe portion 41; Cable connecting terminal 44 is inserted by the lower port of vertical duct portion 42, and places in the square opening 43, and cable connecting terminal 44 is socketed on the bolt 12; Insulator seal plug 45 is plugged in the right side of transverse pipe portion 41, and the end face of this insulator seal plug 45 is provided with the internal thread hole 46 that is complementary with bolt 12 external screw threads, and the front end of bolt 12 is rotatably connected in the internal thread hole 46;
Plug-in snap joint 2 comprises glue core 21, be sheathed on the metal shell 22 and the center needle 23 in glue core 21 outsides, glue core 21 comprises upper cavity 211 and the lower chamber 212 that is interconnected by through hole 213, and the internal diameter of through hole 213 is respectively less than the internal diameter of upper cavity 211 and lower chamber 212, center needle 23 comprises contact pin portion 231 and wire connecting portion 232, and the external diameter of wire connecting portion 232 is greater than the internal diameter of through hole 213, contact pin portion 231 inserts and places in the upper cavity 211 from the lower port of through hole 213, wire connecting portion 232 is sticked in the lower port place of through hole 213 and places in the lower chamber 212, the tin-coated copper conductor 91 of flexible cable 9 is plugged in the wire connecting portion 232, and the tinned copper wire screen 93 of flexible cable 9 is located between glue core 21 and the metal shell 22, the turnover thread casing 31 of by-pass switch 3 comprises inner core 312 and the metallic sheath of being located at outside the inner core 312 311, contact pin portion 231 is plugged in the inner core 312, metallic sheath 311 is embedded between glue core 21 and the metal shell 22, metal-coating 311 links to each other with the shell of by-pass switch 3, and the earthing of casing of by-pass switch 3.
See also Fig. 3, there is shown the second flexible cable jockey, the second flexible cable jockey 7, comprise American cable termination, flexible cable 9 and plug-in snap joint 2, American cable termination is plugged on the American cable sleeve of American ring main unit 5, plug-in snap joint 2 is plugged on the turnover thread casing 31 of by-pass switch 3, wherein identical in flexible cable 9 and plug-in snap joint 2 and the first flexible cable jockey 6;
American cable termination comprises elbow molded cannula 81, cable crimp type terminal and plug bar, the cable crimp type terminal comprises wire connecting portion 83 and connecting portion 82, the tin-coated copper conductor 91 of flexible cable 9 one ends is plugged in the wire connecting portion 83, the cable crimp type terminal is inserted by the lower port of elbow molded cannula 81, the plug bar comprises end to end arc extinguishing bar 85 and conducting rod 84, the plug bar is inserted by the upper port of elbow molded cannula 81, and the right part of conducting rod 84 and connecting portion 82 are spirally connected, and the left part of arc extinguishing bar 82 protrudes in the upper port of elbow molded cannula 81.
When the European cable termination of the first flexible cable jockey 6 is connected with European ring main unit 1, need carry out following operation: from the entrance hole of European ring main unit 1, the introducing of cable connecting terminal 44 that will connect flexible cable 9 earlier, then its lower port from T molded cannula 4 vertical duct portions 42 is inserted, make cable connecting terminal 44 be positioned at square opening 43, be plugged on the pedestal 11 of American cable sleeve at left side port T molded cannula 4 transverse pipe portions 41, make the bolt 12 of pedestal 11 front ends be set in cable connecting terminal 44 and be positioned at transverse pipe portion 41, at last insulator seal plug 45 is plugged in the right side port of transverse pipe portion 41, and the front end that makes bolt 12 is rotatably connected in the internal thread hole 46, promptly finished being connected of European cable sleeve of European cable termination and European ring main unit 3 in the utility model thus.
And when the American cable termination of the second flexible cable jockey 7 is connected with American ring main unit 5, only needs American cable termination is plugged on the American cable sleeve of American ring main unit 5 and get final product.
Because the tinned copper wire shielding conductor 93 of flexible cable 9 is to be communicated with completely, therefore earth point can be guided on the shell of by-pass switch 3 by the metal shell 22 of plug-in snap joint 2 and the metallic sheath 311 of turnover thread casing 31 from the European/American cable termination end of flexible cable 9, and the shell of by-pass switch 3 itself is a ground connection, so just need not to set up earth connection in addition, be convenient to the connection construction and the not interruption maintenance operation of bypass jockey.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique, under the situation that does not break away from spirit and scope of the present utility model, can also make various conversion or modification, therefore all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (2)
1. bypass jockey that is used for uninterrupted operation between European and American ring main unit, this bypass jockey is located between European ring main unit and the American ring main unit, comprise the first flexible cable jockey, the by-pass switch of the second flexible cable jockey and the earthing of casing, the described first flexible cable jockey, one end is connected with described European ring main unit, the other end is connected with described by-pass switch, the described second flexible cable jockey, one end is connected with described American ring main unit, the other end is connected with described by-pass switch, European cable termination and plug-in snap joint that the described first flexible cable jockey comprises flexible cable and is located at these flexible cable two ends respectively, American cable termination and plug-in snap joint that the described second flexible cable jockey comprises flexible cable and is located at these flexible cable two ends respectively, described flexible cable comprises sheath from outside to inside, the tinned copper wire screen, sheath and tin-coated copper conductor, described European cable termination is plugged on the European cable sleeve of described European ring main unit, described European cable sleeve comprises pedestal and is located at the bolt of pedestal front end, described American cable termination is plugged on the American cable sleeve of described American ring main unit, described plug-in snap joint is plugged on the turnover thread casing of described by-pass switch, it is characterized in that
Described European cable termination comprises the T molded cannula, is located at the cable connecting terminal and the insulator seal plug of described flexible cable one end, described T molded cannula comprises transverse pipe portion and the vertical duct portion that is interconnected, the pedestal of described cable sleeve is plugged in the left side of described transverse pipe portion, and place to described bolt transverse horizontal described transverse pipe portion, described cable connecting terminal is inserted and is socketed on the described bolt by the lower port of described vertical duct portion, described insulator seal plug is plugged in the right side of described transverse pipe portion, and the front end of this insulator seal plug and described bolt is spirally connected;
Described American cable termination comprises the elbow molded cannula, is located at the cable crimp type terminal and the plug bar of described flexible cable one end, described cable crimp type terminal is inserted by the lower port of described elbow molded cannula, described plug bar is inserted by the upper port of described elbow molded cannula and the one end is fixed on the described cable crimp type terminal, and the other end protrudes in the upper port of described elbow molded cannula;
Described plug-in snap joint comprises the glue core, be sheathed on the metal shell and the center needle in the described glue core outside, described glue core comprise by through hole be interconnected on, lower chamber, and the internal diameter of described through hole is all less than last, the internal diameter of lower chamber, described center needle comprises contact pin portion and wire connecting portion, and the external diameter of described wire connecting portion is greater than the internal diameter of described through hole, described contact pin portion inserts and places in the described upper cavity from the lower port of described through hole, described wire connecting portion is sticked in the lower port place of described through hole and places in the described lower chamber, the tin-coated copper conductor of described flexible cable one end is plugged in the described wire connecting portion, and the tinned copper wire screen of described flexible cable is located between described glue core and the metal shell.
2. a kind of bypass jockey that is used for uninterrupted operation between European and American ring main unit as claimed in claim 1, it is characterized in that, described plug bar comprises end to end arc extinguishing bar and conducting rod, described cable crimp type terminal comprises wire connecting portion and connecting portion, the tin-coated copper conductor of described flexible cable one end is plugged in the described wire connecting portion, one end of described connecting portion and described conducting rod is spirally connected, and a distal process of described arc extinguishing bar is for the upper port of described elbow molded cannula.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742286 CN203103760U (en) | 2012-12-28 | 2012-12-28 | A bypass connecting device used between an uninterruptedly-operating European ring main unit and an uninterruptedly-operating American ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220742286 CN203103760U (en) | 2012-12-28 | 2012-12-28 | A bypass connecting device used between an uninterruptedly-operating European ring main unit and an uninterruptedly-operating American ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103760U true CN203103760U (en) | 2013-07-31 |
Family
ID=48855137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220742286 Expired - Lifetime CN203103760U (en) | 2012-12-28 | 2012-12-28 | A bypass connecting device used between an uninterruptedly-operating European ring main unit and an uninterruptedly-operating American ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203103760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050892A (en) * | 2012-12-28 | 2013-04-17 | 上海市电力公司 | Uninterruptible-operated bypass connection device applied between European ring main unit and American type ring main unit |
-
2012
- 2012-12-28 CN CN 201220742286 patent/CN203103760U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103050892A (en) * | 2012-12-28 | 2013-04-17 | 上海市电力公司 | Uninterruptible-operated bypass connection device applied between European ring main unit and American type ring main unit |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |