CN203205219U - Mutual inductor insulating sealing lead wire device used for outdoor column switch - Google Patents
Mutual inductor insulating sealing lead wire device used for outdoor column switch Download PDFInfo
- Publication number
- CN203205219U CN203205219U CN 201320214358 CN201320214358U CN203205219U CN 203205219 U CN203205219 U CN 203205219U CN 201320214358 CN201320214358 CN 201320214358 CN 201320214358 U CN201320214358 U CN 201320214358U CN 203205219 U CN203205219 U CN 203205219U
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- mutual inductor
- locknut
- hexagon
- insulator pin
- cylindrical parts
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Abstract
The utility model discloses a mutual inductor insulating sealing lead wire device used for an outdoor column switch. The mutual inductor insulating sealing lead wire device used for the outdoor column switch comprises a connection terminal, an insulation lead wire and a fixed lock net. A hexagon component is arranged at the first end of the insulation lead wire, a first cylindrical component is arranged at the front end of the hexagon component, a second cylindrical component is arranged at the front end of the first cylindrical component, the inner surface of a hollow structure of the second cylindrical component is a conical surface, and a round protruding groove is formed in the lower surface of the hollow structure of the second cylindrical component. The inner surface of the fixed lock net is hexagon and makes contact with the hexagon component to form interference fit, the conical surface of the hollow structure in the second cylindrical component completely makes contact with the outer conical surface of a mutual inductor wire holder, the round protruding groove makes contact with the inner surface of a groove of the mutual inductor wire holder, the outer surface of the second cylindrical component completely makes contact with the inner surface of the groove part of the mutual inductor wire holder, and the connection terminal is connected with the column switch.
Description
Technical field
The utility model relates to power domain, in particular to a kind of outdoor pole top switch instrument transformer insulated enclosure lead wire device.
Background technology
Development along with economic society, safe operation to power distribution network is had higher requirement, intelligent grid turns a main target of power supply-distribution system into, and overhead transmission line is an important component part of building intelligent grid as a part of distribution network.Realize distribution automation, employed outdoor pole top switch in the overhead transmission line is had higher requirement, the requirement switch can not only be about closing short circuit current and cutting off the function of load current, also the functions such as control, remote sensing, communication to be arranged, traditional on-pole switch (only have and close the function of closing short circuit current and cutting off load current) can't satisfy the needs of distribution automation, in order to satisfy the intelligent functions such as control, remote sensing and communication, the electric components such as current transformer, inductance instrument transformer, controller are used in the on-pole switch, adopt vacuum arc-extinguishing device and SF
6Gas is as phase insulation, so that on-pole switch becomes distribution-network automation switch equipment on the non-maintaining outdoor column.Voltage transformer as gather, the equipment of metering electric energy, be applied in and be mainly controller in the on-pole switch and the low-voltage electrical element provides operating power, so that controller and low-voltage electrical element can carry out work.Adopt SF
6Gas is as phase insulation, and the action bars of voltage transformer, switch etc. is sealed in the casing, and the line of voltage transformer connects and adopts bare wire directly to be electrically connected.
Because switch is placed on outdoor environment, the sealing property of situation lower box meeting variation causes moisture, moisture etc. to enter in the casing for a long time.Moisture, moisture can cause instrument transformer to puncture along the inside that penetrates into instrument transformer into and out of line mouth place of instrument transformer, so that controller, low-voltage electrical element can't work, switch can't be realized the functions such as control, remote sensing, communication.
The utility model content
The utility model provides a kind of outdoor pole top switch instrument transformer insulated enclosure lead wire device, be used for connecting into and out of line of the interior instrument transformer of on-pole switch, so that instrument transformer line port is among the insulated enclosure, moisture, moisture etc. can't enter into instrument transformer inside by port, ensure that instrument transformer can normally move.
For achieving the above object, the utility model provides a kind of outdoor pole top switch with instrument transformer insulated enclosure lead wire device, comprising: binding post, insulator pin and fixing locknut, wherein:
Described insulator pin comprises flexible wire and flexible insulating material, the two ends of described flexible wire have screw thread, the screw thread of described flexible wire one end matches with screw thread on the mutual inductor interstar connection seat, the screw thread of the described flexible wire other end is connected with described binding post, described flexible insulating material is wrapped in the outside of described flexible wire, the first end of described insulator pin is connected with the mutual inductor interstar connection seat, the first end of described insulator pin is provided with the hexagon parts, the front end of described hexagon parts is provided with the first cylindrical parts, the front end of described the first cylindrical parts is provided with the second cylindrical parts, the radius of described the second cylindrical parts is greater than the radius of described the first cylindrical parts, the inside of described the second cylindrical parts is hollow structure, the inner surface of described hollow structure is the conical surface, and the lower surface of described hollow structure is provided with circular tongue;
Described fixedly locknut is installed in the first end of described insulator pin, the inner surface of described fixedly locknut is hexagon, the formation interference fit contacts with described hexagon parts, the outer surface portion of described fixedly locknut is divided into rectangle, the little 1-5mm of height of the described hexagon parts of the aspect ratio of described fixedly locknut, when described fixedly when locknut is tightened, described the second cylindrical parts inside contacts with the outside conical surface of mutual inductor interstar connection seat fully for the conical surface of hollow structure, described circular tongue contacts with the inner surface of mutual inductor interstar connection seat groove, the outer surface of described the second cylindrical parts contacts fully with the inner surface of mutual inductor interstar connection seat groove part, with mutual inductor interstar connection seat insulated enclosure;
Described binding post is crimped on the threaded terminal of tool of the described flexible wire corresponding with the second end of described insulator pin, and described binding post is connected with on-pole switch.
Optionally, described flexible wire is annealed copper wire.
Optionally, flexible insulating material is rubber.
Optionally, the material of described fixedly locknut is rigid plastics.
Insulated enclosure lead wire device in above-described embodiment mainly is comprised of 3 parts, binding post, insulator pin and fixing locknut, binding post is crimped on the flexible conductor of insulator pin, be connected on the switch, the other end of insulator pin is threaded connection on the junction block of instrument transformer, so that the junction block of instrument transformer is under the sealing of insulator pin fully, be used for advancing of the interior instrument transformer of on-pole switch, outlet connects, so that instrument transformer line port is among the insulated enclosure, moisture, moisture etc. can't enter into instrument transformer inside by port, ensure that instrument transformer can normally move.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the outdoor pole top switch of an embodiment of the utility model instrument transformer insulated enclosure lead wire device schematic diagram;
Fig. 2 a is the insulator pin structure chart of an embodiment of the utility model;
Fig. 2 b is the insulator pin vertical view of an embodiment of the utility model;
Fig. 3 is the insulator pin structural representation of a preferred embodiment of the utility model;
Fig. 4 a is the fixedly locknut structure chart of an embodiment of the utility model;
Fig. 4 b is the fixedly locknut vertical view of an embodiment of the utility model;
Fig. 5 is the structural representation that insulated enclosure lead wire device is connected to the outdoor pole top switch instrument transformer of an embodiment of the utility model.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not paying the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the outdoor pole top switch of an embodiment of the utility model instrument transformer insulated enclosure lead wire device schematic diagram; Fig. 2 a is the insulator pin structure chart of an embodiment of the utility model; Fig. 2 b is the insulator pin vertical view of an embodiment of the utility model; Fig. 4 a is the fixedly locknut structure chart of an embodiment of the utility model; Fig. 4 b is the fixedly locknut vertical view of an embodiment of the utility model; As shown in the figure, this device comprises: binding post 101, insulator pin 102 and fixing locknut 103, wherein:
Fixedly the material of locknut 103 is hard insulation, such as rigid plastics, fixedly locknut 103 is arranged on the first end of insulator pin 102, fixedly the inner surface of locknut 103 is hexagon, form interference fit with the hexagon parts, fixedly the outer surface portion of locknut 103 is divided into rectangle, fixedly the height H 1 of locknut 103 is than the little 1-5mm of hexagon parts H2 degree, when fixedly locknut 103 is tightened, the second cylindrical parts inside contacts with the outside conical surface of mutual inductor interstar connection seat fully for the conical surface of hollow structure, circular tongue contacts with the inner surface of mutual inductor interstar connection seat groove, the outer surface of the second cylindrical parts contacts fully with the inner surface of mutual inductor interstar connection seat groove part, with mutual inductor interstar connection seat insulated enclosure;
Because insulator pin adopts flexible insulating material (such as electro-insulating rubber) to make, soft, be not easy when being installed to above the instrument transformer to install, and fixedly locknut is rigid plastics, inside is the hexagon shape, adopt interference fit with the hexagon terminal of insulator pin, fixedly locknut is installed on the insulator pin, the two is owing to adopting six side's interference fit, in conjunction with fastening, fixedly the profile of locknut some be rectangle, during installation, with spanner fastening fixedly locknut, so that the inside conical surface of insulator pin contacts by screw thread fully with the outside conical surface of the junction block of instrument transformer, the lower surface of insulator pin has circular tongue, with the Surface Contact of mutual inductor interstar connection seat, realizes sealing.The external diameter of insulator pin is that the surface of D contacts with the inner surface of mutual inductor interstar connection seat groove, and like this, the junction block of instrument transformer just is in the sealing state of insulator pin fully.
Fig. 3 is the insulator pin structural representation of a preferred embodiment of the utility model; In this embodiment, 301 is flexible wire, is comprised of the multiply annealed copper wire, and 303 for being arranged on the terminal of insulator pin first end, and with being threaded of mutual inductor interstar connection seat, 302 are provided with the threaded terminal of tool for insulator pin the second end, are connected with binding post.
Fig. 5 is the structural representation that insulated enclosure lead wire device is connected to the outdoor pole top switch instrument transformer of an embodiment of the utility model.As shown in the figure, 502 is the insulated enclosure lead wire device of the utility model embodiment among the figure, 503 is the junction of insulated enclosure lead wire device and switch among the figure, 501 is the mutual inductor interstar connection seat among the figure, insulated enclosure lead wire device mainly is comprised of 3 parts, binding post, insulator pin and fixing locknut, binding post is crimped on the flexible conductor of insulator pin, be connected on the switch, the other end of insulator pin is threaded connection on the junction block of instrument transformer, so that the junction block of instrument transformer is under the sealing of insulator pin fully, be used for advancing of the interior instrument transformer of on-pole switch, outlet connects, so that instrument transformer line port is among the insulated enclosure moisture, moisture etc. can't enter into instrument transformer inside by port, ensure that instrument transformer can normally move.
One of ordinary skill in the art will appreciate that: accompanying drawing is the schematic diagram of an embodiment, and the module in the accompanying drawing or flow process might not be that enforcement the utility model is necessary.
One of ordinary skill in the art will appreciate that: the module in the device among the embodiment can be described according to embodiment and be distributed in the device of embodiment, also can carry out respective change and be arranged in the one or more devices that are different from the present embodiment.The module of above-described embodiment can be merged into a module, also can further split into a plurality of submodules.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the utility model embodiment technical scheme.
Claims (4)
1. an outdoor pole top switch is characterized in that with instrument transformer insulated enclosure lead wire device, comprising: binding post, insulator pin and fixing locknut, wherein:
Described insulator pin comprises flexible wire and flexible insulating material, the two ends of described flexible wire have screw thread, the screw thread of described flexible wire one end matches with screw thread on the mutual inductor interstar connection seat, the screw thread of the described flexible wire other end is connected with described binding post, described flexible insulating material is wrapped in the outside of described flexible wire, the first end of described insulator pin is connected with the mutual inductor interstar connection seat, the first end of described insulator pin is provided with the hexagon parts, the front end of described hexagon parts is provided with the first cylindrical parts, the front end of described the first cylindrical parts is provided with the second cylindrical parts, the radius of described the second cylindrical parts is greater than the radius of described the first cylindrical parts, the inside of described the second cylindrical parts is hollow structure, the inner surface of described hollow structure is the conical surface, and the lower surface of described hollow structure is provided with circular tongue;
Described fixedly locknut is installed in the first end of described insulator pin, the inner surface of described fixedly locknut is hexagon, the formation interference fit contacts with described hexagon parts, the outer surface portion of described fixedly locknut is divided into rectangle, the little 1-5mm of height of the described hexagon parts of the aspect ratio of described fixedly locknut, when described fixedly when locknut is tightened, described the second cylindrical parts inside contacts with the outside conical surface of mutual inductor interstar connection seat fully for the conical surface of hollow structure, described circular tongue contacts with the inner surface of mutual inductor interstar connection seat groove, the outer surface of described the second cylindrical parts contacts fully with the inner surface of mutual inductor interstar connection seat groove part, with mutual inductor interstar connection seat insulated enclosure;
Described binding post is crimped on the threaded terminal of tool of the described flexible wire corresponding with the second end of described insulator pin, and described binding post is connected with on-pole switch.
2. device according to claim 1 is characterized in that, described flexible wire is annealed copper wire.
3. device according to claim 1 is characterized in that, flexible insulating material is rubber.
4. device according to claim 1 is characterized in that, the material of described fixedly locknut is rigid plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214358 CN203205219U (en) | 2013-04-24 | 2013-04-24 | Mutual inductor insulating sealing lead wire device used for outdoor column switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320214358 CN203205219U (en) | 2013-04-24 | 2013-04-24 | Mutual inductor insulating sealing lead wire device used for outdoor column switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203205219U true CN203205219U (en) | 2013-09-18 |
Family
ID=49149302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320214358 Withdrawn - After Issue CN203205219U (en) | 2013-04-24 | 2013-04-24 | Mutual inductor insulating sealing lead wire device used for outdoor column switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203205219U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247428A (en) * | 2013-04-24 | 2013-08-14 | 北京芳远新合电器技术有限公司 | Mutual inductor insulating and sealing lead junction device for outdoor column switch |
-
2013
- 2013-04-24 CN CN 201320214358 patent/CN203205219U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103247428A (en) * | 2013-04-24 | 2013-08-14 | 北京芳远新合电器技术有限公司 | Mutual inductor insulating and sealing lead junction device for outdoor column switch |
| CN103247428B (en) * | 2013-04-24 | 2015-08-05 | 北京芳远新合电器技术有限公司 | Outdoor pole top switch instrument transformer insulated enclosure lead wire device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130918 Effective date of abandoning: 20150805 |
|
| RGAV | Abandon patent right to avoid regrant |