CN200953283Y - Outdoor bus type current mutual inductor - Google Patents
Outdoor bus type current mutual inductor Download PDFInfo
- Publication number
- CN200953283Y CN200953283Y CN 200620136788 CN200620136788U CN200953283Y CN 200953283 Y CN200953283 Y CN 200953283Y CN 200620136788 CN200620136788 CN 200620136788 CN 200620136788 U CN200620136788 U CN 200620136788U CN 200953283 Y CN200953283 Y CN 200953283Y
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- China
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- terminal box
- current transformer
- type current
- bus type
- outdoor bus
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- Expired - Fee Related
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Abstract
The utility model provides an outdoor generator current transformer, which comprises mutual inductor coil, a metal soleplate and other components arranged in a shell body. A junction box is positioned at the lower side part of the shell body, two post heads are positioned in the junction box which is provided with a seal box cover with a punch hole. The utility model is characterized in that: a rubber seal ring are arranged between the seal box cover and the junction box; a rubber sealed casing is arranged in the hole of the seal box cover with a punch hole; the two side surfaces of the junction box internally filled with compressed screws are sealed by a rubber seal cover to make the device be waterproof and moistureproof. In open air, the rain water is difficult to immerse into the junction box, thus protecting the post head; besides, the shell body is molded by casting with no gaps around, so preventing the rain water from entering into the shell body. The utility model has the advantages of simple structure, reasonable design, good waterproofing, and long service time.
Description
Technical field
The utility model relates to a kind of instrument transformer, refers more particularly to a kind of outdoor bus type current transformer
Background technology:
The outdoor bus type Current Transformer Secondary electric current wiring of using at present all is to be connected with external connection by current transformer body below two sides perforate, the screw crimping of below, instrument transformer front, the outer connector cover plate of deploying, when raining, rainwater is easy to flow in the terminal box along metal base plate, and binding post is corroded, use inconvenient, waterproof, anti-tidal range, the easy oxidation of wiring place influences useful life of instrument transformer.
China utility model patent ZL 96247462.2 discloses a kind of technical scheme of outdoor current transformer, it comprises parts such as being encapsulated in interior mutual inductor coil of housing and metal base plate, terminal box is positioned at the side lower part of housing, there are two binding posts its inside, and terminal box is furnished with the sealing lid of tape punching.This structure covers two binding posts with lid, still, has the gap between the perforation of lid and terminal box and inlet wire and terminal box, still has above-mentioned same problem.
The utility model content
The purpose of this utility model is the deficiency that overcomes prior art, and provides a kind of rainwater simple in structure, reasonable in design, anti-, humidity resistance good, the outdoor bus type current transformer of long service life.
The technical scheme that technical problem adopted that solves is:
1, a kind of outdoor bus type current transformer, comprise parts such as being encapsulated in interior mutual inductor coil of housing and metal base plate, terminal box is positioned at the side lower part of housing, there are two binding posts its inside, terminal box is furnished with the sealing lid of tape punching, it is characterized in that sealing between lid and the terminal box and be provided with rubber seal, enter water, reach waterproof and moistureproof purpose with the gap that prevents lid and terminal box.
2, a kind of outdoor bus type current transformer, except that above-mentioned technical scheme, be provided with the rubber seal sleeve pipe in the hole of the sealing lid of above-mentioned tape punching, inlet wire can be by the rubber seal sleeve pipe, to prevent that the gap between the perforation of inlet wire and terminal box from entering water, reaches waterproof and moistureproof purpose.
3, a kind of outdoor bus type current transformer, except that above-mentioned technical scheme, above-mentioned terminal box two sides have and the corresponding hole of secondary side binding post, interior attaching terminal housing pin, there is the rubber closure sealing in the outside.
4, a kind of outdoor bus type current transformer, except that above-mentioned technical scheme, above-mentioned rubber seal is zero type rubber seal, terminal box with sealing lid contact-making surface on have the rectangle wire casing, zero type rubber seal is placed on the rectangle wire casing.
5, a kind of outdoor bus type current transformer, except that above-mentioned technical scheme, four drift angles of above-mentioned terminal box are with poured with epoxy resin copper screw inserts, four drift angles of sealing lid by with copper screw inserts mutually the brass screw sealing of establishing be fixed on the terminal box.
6, a kind of outdoor bus type current transformer, except that above-mentioned technical scheme, above-mentioned sealing lid is the steel outer cover plate.
7, a kind of outdoor bus type current transformer, except that above-mentioned technical scheme, above-mentioned housing and terminal box system adopt the epoxy resin one-time cast-forming.
The beneficial effects of the utility model are: be provided with the structure that rubber seal and inlet wire are connected with binding post by the rubber seal sleeve pipe between sealing lid and the terminal box, prevent to seal between lid and the terminal box and the perforation of inlet wire and terminal box between the gap enter water, reach waterproof and moistureproof purpose, housing adopts the epoxy resin one-time cast-forming.The utlity model has simple in structure, reasonable in design, water resistance is good, advantages such as long service life.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the structural representation of the utility model embodiment terminal box;
Fig. 3 is the structural representation of the utility model embodiment rubber seal sleeve pipe;
Among the figure 1, housing 2, metal base plate 3, terminal box 4, binding post 5, lid 6, copper screw 7, rectangle wire casing 8, zero type rubber seal 9, entrance hole 10, rubber seal sleeve pipe 11, rubber closure 12, housing screw 13, lid screw 14, screw
Embodiment:
As shown in Figure 1, the utility model comprises parts such as the mutual inductor coil that is encapsulated in the housing 1 and metal base plate 2.Housing 1 of the present utility model is to adopt the epoxy resin one-time cast-forming, there is terminal box 3 following side of the housing 1 behind the moulding by casting, terminal box 3 as shown in Figure 2, there are two binding posts 5, rectangle wire casing 7 and four drift angles in terminal box 3 inside with poured with epoxy resin copper screws 6.Placement zero type rubber seal 8 on the rectangle wire casing 7, lid screw 13 spins by sealing four drift angles of lid and copper screw 6, and 6 sealings of sealing lid are fixed on the terminal box 3, and zero type rubber seal 8 makes the sealing all around of sealing lid 6 and terminal box 3.Sealing lid 6 is provided with two entrance holes 9, two entrance holes 9 are installed with the rubber seal sleeve pipe 10 of phase establishing, rubber seal sleeve pipe 10 as shown in Figure 3, terminal box 3 two sides have and binding post 4 corresponding holes, in housing screw 12 is housed, external connection inserts binding post 4 by the rubber seal sleeve pipe on the lid 5 of terminal box 3 10, and is fixing by the housing screw 12 of binding post 4.Terminal box 3 two sides have and binding post 4 corresponding holes, in pack into behind the housing screw 12, with rubber closure 11 sealings.The metal base plate 2 of present embodiment and housing 1 are fixed into one by poured with epoxy resin.Because among the utility model embodiment, terminal box 3 and 5 of lids of sealing have zero type rubber seal 8, seal, be provided with rubber seal sleeve pipe 10 in the hole of sealing lid 5, inlet wire can be by rubber seal sleeve pipe 10, enter water to prevent the gap between inlet wire and 5 perforation of sealing lid, in the hole that terminal box 3 two sides of housing screw 12 have of packing into, with rubber closure 11 sealings, reach waterproof and moistureproof purpose.Rainwater is difficult to be immersed in the terminal box out of doors, has protected binding post.In addition, this is moulding by casting for a shell of the present utility model, and periphery is seamless, and rainwater can't enter in the housing at all, has protected the coil of housing not corroded.In a word, special construction of the present utility model has prolonged its useful life greatly.
At last, it is also to be noted that what more than enumerate only is specific embodiment of the utility model.Obviously, the utility model is not limited to above embodiment, and many distortion can also be arranged.All distortion that those of ordinary skill in the art can directly derive or associate from disclosed content of the present utility model all should be thought protection range of the present utility model.
Claims (9)
1, a kind of outdoor bus type current transformer, comprise parts such as being encapsulated in interior mutual inductor coil of housing and metal base plate, terminal box is positioned at the side lower part of housing, there are two binding posts its inside, terminal box is furnished with the sealing lid of tape punching, it is characterized in that sealing between lid and the terminal box and be provided with rubber seal, enter water, reach waterproof and moistureproof purpose with the gap that prevents lid and terminal box.
2, a kind of outdoor bus type current transformer according to claim 1 is characterized in that being provided with the rubber seal sleeve pipe in the hole of sealing lid of above-mentioned tape punching.
3, a kind of outdoor bus type current transformer according to claim 1 and 2 is characterized in that above-mentioned terminal box two sides have and the corresponding hole of secondary side binding post, interior attaching terminal housing pin, and there is the rubber closure sealing in the outside.
4, a kind of outdoor bus type current transformer according to claim 1 and 2, it is characterized in that above-mentioned rubber seal is zero type rubber seal, terminal box with sealing lid contact-making surface on have the rectangle wire casing, zero type rubber seal is placed on the rectangle wire casing.
5, a kind of outdoor bus type current transformer according to claim 1 and 2, it is characterized in that four drift angles of above-mentioned terminal box with poured with epoxy resin copper screw inserts, four drift angles of sealing lid by with copper screw inserts mutually the brass screw sealing of establishing be fixed on the terminal box.
6, a kind of outdoor bus type current transformer according to claim 3, it is characterized in that four drift angles of above-mentioned terminal box with poured with epoxy resin copper screw inserts, four drift angles of sealing lid by with copper screw inserts mutually the brass screw sealing of establishing be fixed on the terminal box.
7, a kind of outdoor bus type current transformer according to claim 1 and 2 is characterized in that above-mentioned sealing lid is the steel outer cover plate.
8, a kind of outdoor bus type current transformer according to claim 1 and 2 is characterized in that above-mentioned housing and terminal box system adopts the epoxy resin one-time cast-forming.
9, a kind of outdoor bus type current transformer according to claim 3 is characterized in that above-mentioned housing and terminal box system adopts the epoxy resin one-time cast-forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620136788 CN200953283Y (en) | 2006-09-16 | 2006-09-16 | Outdoor bus type current mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620136788 CN200953283Y (en) | 2006-09-16 | 2006-09-16 | Outdoor bus type current mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200953283Y true CN200953283Y (en) | 2007-09-26 |
Family
ID=38811585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620136788 Expired - Fee Related CN200953283Y (en) | 2006-09-16 | 2006-09-16 | Outdoor bus type current mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200953283Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728074B (en) * | 2008-10-23 | 2011-07-20 | 天津市百利纽泰克电气科技有限公司 | Wrapping technical method for primary shield of bus-type current transformer |
| CN104715914A (en) * | 2015-04-01 | 2015-06-17 | 浙江天际互感器有限公司 | Automatic detecting type outdoor low-voltage metering current transformer |
| CN109148117A (en) * | 2018-09-26 | 2019-01-04 | 国家电网公司 | A kind of open air substation's light CT terminal box |
| CN110428955A (en) * | 2019-09-03 | 2019-11-08 | 陕西正泰智能电气有限公司 | Secondary outlet box sealing structure based on outdoor type epoxy resin mutual inductor |
| CN110797176A (en) * | 2019-11-18 | 2020-02-14 | 衡阳市华仪电力互感器有限公司 | Mutual inductor with good waterproof performance |
-
2006
- 2006-09-16 CN CN 200620136788 patent/CN200953283Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101728074B (en) * | 2008-10-23 | 2011-07-20 | 天津市百利纽泰克电气科技有限公司 | Wrapping technical method for primary shield of bus-type current transformer |
| CN104715914A (en) * | 2015-04-01 | 2015-06-17 | 浙江天际互感器有限公司 | Automatic detecting type outdoor low-voltage metering current transformer |
| CN109148117A (en) * | 2018-09-26 | 2019-01-04 | 国家电网公司 | A kind of open air substation's light CT terminal box |
| CN109148117B (en) * | 2018-09-26 | 2024-02-06 | 国家电网公司 | Outdoor junction box of transformer substation light CT |
| CN110428955A (en) * | 2019-09-03 | 2019-11-08 | 陕西正泰智能电气有限公司 | Secondary outlet box sealing structure based on outdoor type epoxy resin mutual inductor |
| CN110797176A (en) * | 2019-11-18 | 2020-02-14 | 衡阳市华仪电力互感器有限公司 | Mutual inductor with good waterproof performance |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070926 Termination date: 20100916 |