CN102142643B - Connector for voltage transformer - Google Patents
Connector for voltage transformer Download PDFInfo
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- CN102142643B CN102142643B CN 201010618054 CN201010618054A CN102142643B CN 102142643 B CN102142643 B CN 102142643B CN 201010618054 CN201010618054 CN 201010618054 CN 201010618054 A CN201010618054 A CN 201010618054A CN 102142643 B CN102142643 B CN 102142643B
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- voltage transformer
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- plug
- connector
- conversion
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Abstract
The invention discloses a connector for a voltage transformer. The connector is connected with a plug of the voltage transformer and a socket in a gas chamber of medium-voltage gas insulated switch equipment respectively. The connector is characterized by being formed by connecting a conversion socket, a connection cable and a conversion plug sequentially, wherein the plug of the voltage transformer is plugged into the conversion socket to realize electric connection; one end, far away from the connection cable, of the conversion plug, is plugged into the socket in the gas chamber to realize the electric connection; the conversion socket comprises a substrate and a first socket hole and a second socket hole which are arranged at upper and lower ends of the substrate and connected with each other electrically; one end of the connection cable is inserted into the first socket hole; and the plug of the voltage transformer is plugged into the second socket hole. By adoption of the connecter for the voltage transformer, the voltage transformer can be installed on the ground or at a more convenient place, so that the labour intensity of installation personnel is reduced greatly, installation becomes easier, simpler and more convenient, the quality of the installation is high, and the performance of a product is easy to guarantee.
Description
Technical field
The present invention relates to a kind of electric cable fitting, particularly a kind of connector for voltage transformer.
Background technology
In middle pressure (10kV to 27.5kV) gas-insulated switchgear, the mounting design of voltage transformer, generally adopt at present the frame mode of card edge type, be about to voltage transformer and directly be inserted into the socket that is installed in the air chamber, there is following defective in such frame mode: 1. because the volume of voltage transformer is larger, when voltage transformer is fixedly mounted on the air chamber below, must take the segment space in cable storehouse, limited greatly, make troubles to the installation of electric cable accessories and the maintenance of switchgear in the fitting operation space of outlet cable and annex thereof; 2. because voltage transformer is heavier, the 80kg that weighs that has, the plug portion of voltage transformer is away from the center of gravity line position simultaneously, installation difficulty is large, although can install by using the servicing units such as installation lift car or mounting bracket, but still be easy to occur installing phenomenon not in place, produce fault, and the reliability of installation quality is relatively poor, and mounting technique and the labour intensity of installation personnel is had higher requirement.In order to overcome defects, manufacturer and researcher have done various trials, have proposed various technical schemes, even have proposed the shape of socket and voltage transformer is all changed to deal with problems.But these schemes are for now widely used socket and voltage transformer, and the variation of this integral body can cause huge waste undoubtedly, therefore, improve to be only the solution that gears to actual circumstances most at existing socket and voltage transformer.
Summary of the invention
The object of the present invention is to provide a kind of connector for voltage transformer, this connector construction compact and reasonable is used reliably all insulation, non-maintaining.By the use of this connector, so that the installation of voltage transformer is easier, installation quality is more guaranteed, has improved the reliability of medium pressure gas insulated switching installation, moves more stablely, and security performance is higher.
For reaching above-mentioned purpose, the present invention adopts following technical scheme: a kind of connector for voltage transformer, connect respectively the interior socket of air chamber of voltage transformer plug and medium pressure gas insulated switching installation, it is characterized in that, connected to form successively by conversion socket, stube cable and changeover plug; Described voltage transformer plug inserts described conversion socket and realizes being electrically connected; Described changeover plug inserts the socket in the described air chamber and realizes electrical connection away from an end of stube cable.
More particularly, described changeover plug is suitable away from an end structure and the socket in the described air chamber of stube cable.
Described changeover plug is inner-cone pluggable cable terminal away from an end of stube cable, and described inner-cone pluggable cable terminal is provided with metal shell.
Described conversion socket comprises pedestal and is located at pedestal up and down two ends and mutual the first socket aperture and the second socket aperture that is electrically connected; One end of described stube cable inserts the first socket aperture; Described voltage transformer plug inserts the second socket aperture, and the structure of described the second socket pore structure and described voltage transformer plug is suitable.
Described conversion socket also comprises metal shell, and described metal shell is provided with installation connecting element, and described pedestal is fixedly connected with voltage transformer with an end of stube cable respectively by installation connecting element.
Described metal shell refers to the aluminium shell.
Described installation connecting element refers to mounting flange.
The end that described stube cable inserts the first socket aperture is inner-cone pluggable cable terminal, and described inner-cone pluggable cable terminal is provided with metal shell.
Design principle of the present invention is: 1, gentle indoor suitable plug (this plug is identical with the structure of voltage transformer plug), one and suitable socket (socket in this socket and the air chamber is identical) of voltage transformer plug of socket of design, realize being electrically connected with wire, just can transfer to ground or more easily place installation to the voltage transformer that need in switchgear, install in the air; 2, consider that the weight of voltage transformer is larger, when mounted, being set on the voltage transformer plug with the suitable socket of voltage transformer plug, just can avoid installing not in place downwards.
The present invention possesses following outstanding advantages and effect with respect to prior art:
1, connector for voltage transformer of the present invention, be to propose for the defective that has the voltage transformer connected mode now, by using this connector, do not need to change existing voltage transformer plug and socket structure, improvement cost is low, effective, is the improved procedure that best embodies economy;
2, the connector for voltage transformer of the application of the invention, the voltage transformer that need to install in the air in switchgear is transferred to ground or more easily place installation, improved the flexibility of installing, simultaneously owing to used stube cable, mounted voltage transformer can be placed on any vacant position in the medium pressure gas insulated switching installation, thereby very large operating space is reserved in the maintenance of the installation of the layout of other components and parts of switching devices or line and electric cable accessories thereof and switchgear;
3, use connector for voltage transformer of the present invention, socket is to be set to downwards on the voltage transformer plug during installation, has avoided phenomenon not in place is installed, and has reduced working strength and the difficulty of installation personnel.
Description of drawings
Fig. 1 is the structural representation of connector for voltage transformer of the present invention;
Fig. 2 is the structural representation of conversion socket among Fig. 1;
Fig. 3 is the connection diagram of connector for voltage transformer of the present invention and the gentle indoor socket of voltage transformer;
Wherein, 1 is that conversion socket, 2 is that stube cable, 3 is that aluminium shell, 4 is that mounting flange, 5 is that screwed hole, 6 is that screw, 7 is that the second socket aperture, 8 is that changeover plug, 9 is that voltage transformer plug, 10 is that medium pressure gas insulated switching installation, 11 is that SF6 air chamber, 12 is that socket, 13 is that voltage transformer, 14 is that cable, 15 is that electric cable accessories, 16 is the aluminium shell.
Embodiment
The present invention is described in further detail below in conjunction with embodiment, but embodiments of the present invention are not limited to this.
Embodiment
The below describes with the example that is applied as of connector for voltage transformer of the present invention in the medium pressure gas insulated switching installation.
The structure of connector for voltage transformer of the present invention such as Fig. 1 are to shown in Figure 2, and connector for voltage transformer is connected to form successively by conversion socket 1, stube cable 2 and changeover plug 8, and mutually realize being electrically connected; Changeover plug 8 is suitable away from an end of stube cable 2 and socket 12 structures in the air chamber, and it adopts inner-cone pluggable cable terminal, and inner-cone pluggable cable terminal is provided with aluminium shell 16; Conversion socket 1 comprises pedestal, is located at pedestal up and down two ends and mutual the first socket aperture and the second socket aperture 7 that is electrically connected, the structure of the second socket aperture 7 and voltage transformer plug 9 structures are suitable, the first socket aperture and the second socket aperture 7 are the standard socket hole, and aluminium shell 3 is being wrapped in conversion socket 1 outside; One end of stube cable 2 (this end also adopts inner-cone pluggable cable terminal, outer setting aluminium shell) inserts the first socket aperture, by the screwed hole of the mounting flange on the aluminium shell, tightens with screw 6 and to be fixed on the conversion socket 1.
Connector for voltage transformer of the present invention is to use (as shown in Figure 3) like this: at first the second socket aperture 7 downward alignings are set on the voltage transformer plug 9, make it to realize being electrically connected, by the screwed hole 5 of mounting flange 4, with screw-driving conversion socket and voltage transformer are fixed; Then changeover plug (inner-cone pluggable cable terminal) 8 is inserted on the socket (inner cone insulator) 12 in the SF6 air chamber 11 of medium pressure gas insulated switching installation 10; As above just finished the connection of the socket 12 that voltage transformer 13 is connected with the SF6 air chamber.
Owing to used connector for voltage transformer of the present invention, the installation of voltage transformer transfer on the ground or more easily the place carry out, greatly reduced the labour intensity of installation personnel, be more prone to and easy so that install to become, installation quality is high, properties of product guarantee easily, simultaneously again owing to used stube cable, mounted voltage transformer can be placed on any vacant position in the switchgear, thereby very large operating space is reserved in the maintenance of the installation of the layout of other components and parts of switching devices or line cable 14 and electric cable accessories 15 thereof and switchgear.The surface design of conversion socket 1 has metal shell, and also with aluminium shell 16, they are connected by screw fixing the inner-cone pluggable cable terminal on the stube cable, so accomplished all insulation, non-maintaining, barrier propterty is high, and compact conformation is reasonable.Owing to the mounting means that the installation of voltage transformer is converted to inner-cone pluggable cable terminal, improved the reliability of switchgear, move more stable.
Connector for voltage transformer of the present invention can also be according to the shape of different voltage transformer plugs and corresponding air chamber interpolation block, and the shape of changeover plug and conversion socket is adjusted accordingly, and is namely applicable, has very high application value.
Above-described embodiment is the better execution mode of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (5)
1. connector for voltage transformer connects respectively the socket in the air chamber of voltage transformer plug and medium pressure gas insulated switching installation, it is characterized in that, is connected to form successively by conversion socket, stube cable and changeover plug; Described voltage transformer plug inserts described conversion socket and realizes being electrically connected; Described changeover plug inserts the socket in the described air chamber and realizes electrical connection away from an end of stube cable; Described changeover plug is suitable away from an end structure and the socket in the described air chamber of stube cable; Described changeover plug is inner-cone pluggable cable terminal away from an end of stube cable, and described inner-cone pluggable cable terminal is provided with metal shell; Described conversion socket comprises pedestal and is located at pedestal up and down two ends and mutual the first socket aperture and the second socket aperture that is electrically connected; One end of described stube cable inserts the first socket aperture; Described voltage transformer plug inserts the second socket aperture, and the structure of described the second socket pore structure and described voltage transformer plug is suitable.
2. connector for voltage transformer according to claim 1, it is characterized in that, described conversion socket also comprises metal shell, and described metal shell is provided with installation connecting element, and described pedestal is fixedly connected with voltage transformer with an end of stube cable respectively by installation connecting element.
3. connector for voltage transformer according to claim 2 is characterized in that, described metal shell refers to the aluminium shell.
4. connector for voltage transformer according to claim 2 is characterized in that, described installation connecting element refers to mounting flange.
5. connector for voltage transformer according to claim 1 and 2 is characterized in that, the end that described stube cable inserts the first socket aperture is inner-cone pluggable cable terminal, and described inner-cone pluggable cable terminal is provided with metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010618054 CN102142643B (en) | 2010-12-31 | 2010-12-31 | Connector for voltage transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010618054 CN102142643B (en) | 2010-12-31 | 2010-12-31 | Connector for voltage transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102142643A CN102142643A (en) | 2011-08-03 |
| CN102142643B true CN102142643B (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010618054 Active CN102142643B (en) | 2010-12-31 | 2010-12-31 | Connector for voltage transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102142643B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3080712A1 (en) * | 2018-04-26 | 2019-11-01 | Schneider Electric Industries Sas | ELECTRICAL CONNECTION SYSTEM FOR VOLTAGE TRANSFORMER |
| CN108899715A (en) * | 2018-07-05 | 2018-11-27 | 上海思方电气技术有限公司 | A kind of single-phase one point of multiloop a little concentrates the anti-short circuit connector of PT of ground connection |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1927561C3 (en) * | 1969-05-30 | 1974-06-27 | Brown, Boveri & Cie Ag, 6800 Mannheim | Multi-phase pressurized gas-insulated, metal-enclosed switchgear |
| DE29823222U1 (en) * | 1998-12-23 | 1999-02-25 | Siemens AG, 80333 München | Gas-insulated, three-phase encapsulated switchgear |
| CN2891427Y (en) * | 2006-04-11 | 2007-04-18 | 广东长园电缆附件有限公司 | Adapter body |
| CN101442193A (en) * | 2008-08-29 | 2009-05-27 | 广东吉熙安电缆附件有限公司 | 10kV looped network type double power supply self-casting power cable tapping-off case |
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2010
- 2010-12-31 CN CN 201010618054 patent/CN102142643B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102142643A (en) | 2011-08-03 |
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