CN213402217U - Pipe bus connector for sulfur hexafluoride switch cabinet - Google Patents
Pipe bus connector for sulfur hexafluoride switch cabinet Download PDFInfo
- Publication number
- CN213402217U CN213402217U CN202021695343.1U CN202021695343U CN213402217U CN 213402217 U CN213402217 U CN 213402217U CN 202021695343 U CN202021695343 U CN 202021695343U CN 213402217 U CN213402217 U CN 213402217U
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- Prior art keywords
- tubular bus
- sulfur hexafluoride
- conical surface
- insulating
- switch cabinet
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Abstract
The utility model provides a tub generating line connector for sulfur hexafluoride cubical switchboard. The sulfur hexafluoride switch cabinet comprises an incoming line joint module and a tubular bus joint module which are arranged on the sulfur hexafluoride switch cabinet; the wire inlet connector module is provided with an open inner conical surface, the bottom of the open inner conical surface is provided with a metal conductor, a contact finger groove is arranged at the position of the metal conductor, and a wire inlet connector flange is arranged on the wire inlet connector module; the tubular bus joint module comprises a tubular bus insulating part, a tubular bus current-carrying part arranged on the inner layer of the tubular bus insulating part, and a capacitive screen embedded in the tubular bus insulating part, wherein the end of the tubular bus insulating part is turned into a conical surface, an insulating silicone rubber layer is formed on the conical surface in a vulcanization molding mode, the end of the tubular bus current-carrying part extending out of the bus insulating part is connected with a spring contact finger, a rear cover is arranged behind the insulating silicone rubber layer, and a tubular bus flange is arranged on the rear cover. The utility model provides an insulating tube generating line and sulfur hexafluoride aerify the problem that the cabinet construction connection difficulty is aerifyd.
Description
The technical field is as follows:
the utility model relates to a tub generating line connector for sulfur hexafluoride cubical switchboard belongs to electrical equipment technical field.
Background art:
at present, a bus connector in a quick plugging mode is only used for connecting a cable with small current, including a cable plugging head, and cannot be used on a dry-type insulated tube bus with large current due to the limitations of process, technology and reliability.
Sulfur hexafluoride (SF)6) The gas-filled cabinet is accepted by the market due to small volume and high electrical safety performance, but needs to ensure SF6Tightness of insulating gas in cabinet body, SF for facilitating wire inlet and outlet of electrical cabinet6The gas cabinet needs to reserve an interface for plugging and unplugging installation, and the interface is suitable for installation of the cable and the end cable accessory plug thereof.
Along with the rapid increase of electricity consumption and the increasing of current in the market development, the rated current of the reserved insertion port of the main bus of the gas-filled cabinet is increased, and under the condition, the bus of the insulating tube and the SF are connected with each other6The gas-insulated switchgear is difficult to construct and connect, and the cable is no longer suitable for the use of main bus, replaces the more and more use of heavy current tubular bus in the main transformer and the connection of inlet wire cabinet, and the installation is inconvenient and with high costs.
The utility model has the following contents:
the utility model aims at the problem that exists provides a tub generating line connector for sulfur hexafluoride cubical switchboard to the aforesaid, has solved insulating tube generating line and sulfur hexafluoride and has aerifyd the problem that the cabinet construction connection is difficult.
The above purpose is realized by the following technical scheme:
a tubular bus connector for a sulfur hexafluoride switch cabinet comprises an incoming line connector module and a tubular bus connector module, wherein the incoming line connector module is installed on the sulfur hexafluoride switch cabinet;
the inlet connector module is provided with an open inner conical surface, the bottom of the open inner conical surface is provided with a metal conductor, the metal conductor part is provided with a contact finger groove, and an inlet connector flange is arranged on the inlet connector module;
the tube bus joint module comprises a tube bus insulation part, a tube bus current-carrying part arranged on the inner layer of the tube bus insulation part, and a capacitor screen embedded in the tube bus insulation part, wherein the end of the tube bus insulation part is turned into a conical surface, an insulating silicone rubber layer is formed on the conical surface in a vulcanization mode, the insulating silicone rubber layer is in interference fit with an open inner conical surface of the incoming line joint module, the tube bus current-carrying part extends out of the end of the bus insulation part and is connected with a spring contact finger, a rear cover is arranged behind the insulating silicone rubber layer, and a tube bus flange is arranged on the rear cover.
The pipe bus connector for the sulfur hexafluoride switch cabinet is characterized in that a group of thrust springs are arranged in the rear cover.
The pipe bus connector for the sulfur hexafluoride switch cabinet is characterized in that an O-shaped sealing ring is arranged between the rear cover and the insulating silicon rubber layer.
Has the advantages that:
the utility model discloses a quick plug connected mode between sulfur hexafluoride cubical switchboard and the tub generating line, manpower and ageing are practiced thrift to the convenience and the accuracy of site operation installation to because realize prefabricated characteristics between service connector module and the tub generating line module, the quality is all controllable when dispatching from the factory.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1. an incoming line splice module; 2. a tubular bus bar insulating portion; 3. a capacitive screen; 4. a tubular bus current-carrying portion; 5. a spring contact finger; 6. an insulating silicone rubber layer; 7. a rear cover; 8. a thrust spring; 9. an O-shaped sealing ring.
The specific implementation mode is as follows:
as shown in fig. 1: the tubular bus connector for the sulfur hexafluoride switch cabinet comprises an incoming line connector module 1 installed on the sulfur hexafluoride switch cabinet and a tubular bus connector module matched with the incoming line connector module; the incoming line connector module and the tubular busbar connector module are prefabricated in advance, and then the two modules are connected together in a plug-in mode. The incoming line connector module 1 is located in SF6The bottom of the gas-filled cabinet is provided with boltsThe cabinet bottom extends out to facilitate installation and butt joint.
The inlet connector module is provided with an open inner conical surface, the bottom of the open inner conical surface is provided with a metal conductor, the metal conductor part is provided with a contact finger groove, and an inlet connector flange is arranged on the inlet connector module;
the tube bus joint module comprises a tube bus insulation part 2, a tube bus current-carrying part 4 arranged on the inner layer of the tube bus insulation part, and a capacitive screen 3 embedded in the tube bus insulation part, wherein the end of the tube bus insulation part is turned into a conical surface, an insulating silicone rubber layer 6 is formed on the conical surface in a vulcanization mode, the insulating silicone rubber layer is in interference fit with an open inner conical surface of the incoming joint module, the tube bus current-carrying part extends out of the end of the bus insulation part and is connected with a spring contact finger 5, a rear cover 7 is arranged behind the insulating silicone rubber layer and is a metal piece, and a tube bus flange is arranged on the rear cover and is used for being connected with a flange of the incoming joint module. Capacitive screen: the insulating part of the insulating tube bus is internally provided with equidistant or non-equidistant metal thin layers called as a capacitive screen, which plays the roles of evenly dividing voltage and uniform field intensity, and the actual electrical principle is the series voltage division of capacitors.
The pipe bus connector for the sulfur hexafluoride switch cabinet is characterized in that a group of thrust springs 8 are arranged in the rear cover. And the thrust spring is arranged in the rear cover, and plays a role of compressing the spring after the rear cover is connected with the incoming line connector module, and the spring compresses to apply thrust to the tubular bus so that the insulating silicon rubber part is tightly matched with the incoming line connector module.
The pipe bus connector for the sulfur hexafluoride switch cabinet is characterized in that an O-shaped sealing ring 9 is arranged between the rear cover and the insulating silicon rubber layer.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme consisting of the equivalent replacement of the technical features. The present invention is not to be considered as the best thing, and belongs to the common general knowledge of the technicians in the field.
Claims (3)
1. The utility model provides a tub generating line connector for sulfur hexafluoride cubical switchboard which characterized by: the sulfur hexafluoride switch cabinet comprises an incoming line connector module arranged on the sulfur hexafluoride switch cabinet and a tubular bus connector module matched with the incoming line connector module;
the inlet connector module is provided with an open inner conical surface, the bottom of the open inner conical surface is provided with a metal conductor, the metal conductor part is provided with a contact finger groove, and an inlet connector flange is arranged on the inlet connector module;
the tubular bus joint module comprises a tubular bus insulating part, a tubular bus current-carrying part arranged on the inner layer of the tubular bus insulating part, and a capacitive screen embedded in the tubular bus insulating part, wherein the end of the tubular bus insulating part is turned into a conical surface, an insulating silicone rubber layer is formed on the conical surface in a vulcanization mode, the insulating silicone rubber layer is in interference fit with an open inner conical surface of the incoming line joint module, the tubular bus current-carrying part extends out of the end of the bus insulating part and is connected with a spring contact finger, a rear cover is arranged behind the insulating silicone rubber layer, and a tubular bus flange is arranged on the rear cover.
2. The tubular bus connector for the sulfur hexafluoride switch cabinet as recited in claim 1, wherein: and a group of thrust springs are arranged in the rear cover.
3. The tubular bus connector for the sulfur hexafluoride switch cabinet as recited in claim 1, wherein: an O-shaped sealing ring is arranged between the rear cover and the insulating silicon rubber layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695343.1U CN213402217U (en) | 2020-08-14 | 2020-08-14 | Pipe bus connector for sulfur hexafluoride switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021695343.1U CN213402217U (en) | 2020-08-14 | 2020-08-14 | Pipe bus connector for sulfur hexafluoride switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213402217U true CN213402217U (en) | 2021-06-08 |
Family
ID=76205184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021695343.1U Active CN213402217U (en) | 2020-08-14 | 2020-08-14 | Pipe bus connector for sulfur hexafluoride switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213402217U (en) |
-
2020
- 2020-08-14 CN CN202021695343.1U patent/CN213402217U/en active Active
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