CN205452939U - Transformer protection architecture - Google Patents
Transformer protection architecture Download PDFInfo
- Publication number
- CN205452939U CN205452939U CN201620217669.0U CN201620217669U CN205452939U CN 205452939 U CN205452939 U CN 205452939U CN 201620217669 U CN201620217669 U CN 201620217669U CN 205452939 U CN205452939 U CN 205452939U
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- conductor
- inserts conductor
- inserts
- fuse
- ring recess
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Abstract
The utility model provides a transformer protection architecture, relates to equipment for power transmission and distribution's general spare part. This transformer protection architecture, be provided with left inserts conductor and right inserts conductor respectively at the both ends of fuse, it has first ring of groove to open with contact department of second inserts conductor at first inserts conductor, first spring touches first ring of inslot of fat embedding, it has second circle groove to open in second inserts conductor and fuse contact department, the second spring touches fat embedding second circle inslot, it has third circle groove to open in right inserts conductor and fuse contact department, the third spring touches fat embedding third circle inslot, this structure has increased the cross section of inserts conductor, guaranteed that the utensil that opens circuit has better electrically conductive effect, the arrester is connected through the bottom suspension generating line to first inserts conductor lower extreme simultaneously, voltage transformer is connected through the bottom suspension generating line to right side inserts conductor, when the heavy current gets into, fuse fusing, voltage transformer's safety had both been guaranteed, also protected the transformer not receive the damage.
Description
Technical field
This utility model relates to the general parts of equipment for power transmission and distribution, particularly to a kind of tranformer protection structure.
Background technology
At present; Cubicle Gas-Insulated Switchgear; genus is pressed the Cubicle Gas-Insulated Switchgear in power transmission and distribution field; voltage transformer must be taked front end to install fuse protective measure additional by the Cubicle Gas-Insulated Switchgear of power grid application, to prevent because system resonance burns voltage transformer.This protection is only applicable to the small area analysis situation less than 5A; once electric current increases to tens peaces; then will damage transformator; such as the patent application that Patent No. " 201110114165.8 " patent name is " distribution transformer protection device ", it is only capable of protecting voltage transformer cannot protect transformator.
Utility model content
The deficiency existed for prior art, the utility model proposes a kind of tranformer protection structure, its simple in construction, reasonable in design, be easily installed and use.
nullThis utility model be the technical scheme is that a kind of tranformer protection structure,Including fuse insulating drive shell and be arranged on insulation drive shell in fuse、Spring、Insulation silently with inserts conductor、The spark gap being connected with inserts conductor and voltage transformer,It is characterized in that,Inserts conductor includes left inserts conductor and right inserts conductor,Left inserts conductor and right inserts conductor it is respectively arranged with at the two ends of fuse,Left inserts conductor includes the first inserts conductor with the first ring recess and the second inserts conductor with the second ring recess,The first ring recess is had in the contact position of the first inserts conductor and the second inserts conductor,First spring touches in fat embeds the first ring recess and contacts with the second inserts conductor outside surfaces,The second ring recess is had at the second inserts conductor with fuse contact,Second spring touches in fat embeds the second ring recess and contacts with the outer surface of fuse,The 3rd ring recess is had at right inserts conductor with fuse contact,3rd spring touches fat and embeds in the 3rd ring recess,Spring one end and fuse contact,The other end is connected with right inserts conductor,One end of first inserts conductor is fixing connects upper branch bus,Right inserts conductor is through lower branch bus connection transformer.
The second described inserts end conductor connects insulation silently.
Second inserts conductor is threadeded with lower branch bus.
Right inserts conductor is threadeded with lower branch bus.
nullAdvantage of the present utility model and providing the benefit that: this tranformer protection structure,Left inserts conductor and right inserts conductor it is respectively arranged with at the two ends of fuse,The first ring recess is had in the contact position of the first inserts conductor and the second inserts conductor,First spring touches fat and embeds in the first ring recess,The second ring recess is had at the second inserts conductor with fuse contact,Second spring touches fat and embeds in the second ring recess,The 3rd ring recess is had at right inserts conductor with fuse contact,3rd spring touches fat and embeds in the 3rd ring recess,This structure increases the cross section of inserts conductor,Ensure that chopper has more preferable conductive effect,First inserts conductor lower end connects spark gap through lower branch bus simultaneously,Right inserts conductor connects voltage transformer through lower branch bus,When big electric current enters,Fuse blows,Both the safety of voltage transformer had been ensured,Also protect transformator not to be damaged.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, also can obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is tranformer protection structure installation diagram in gas insulation metal sealed switch equipment in this utility model embodiment;
Fig. 2 is the structure for amplifying schematic diagram of tranformer protection structure in this utility model embodiment;
In figure, sequence number is described as follows: 1 fuse insulating drive shell, 2 fuses, 3 springs, 4 insulation are silently, 5 times branch bus, 6 spark gaps, 7 transformators, branch bus on 8,9 first inserts conductors, 10 second inserts conductors, 11 right inserts conductors, 12 first ring recess, 13 first springs touch fat, 14 second ring recess, 15 second springs touch fat, 16 the 3rd ring recess, 17 the 3rd springs touch fat, 18 horizontal bus, 19 disposable system ends of incoming cables.
Detailed description of the invention
Below in conjunction with the accompanying drawings 1~2 and detailed description of the invention this utility model is elaborated, below describe be only used as demonstration and explain, this utility model is not made any pro forma restriction.
nullA kind of tranformer protection structure that the present embodiment uses,Including fuse insulating drive shell 1 and the fuse 2 that is arranged in fuse insulating drive shell 1、Spring 3、Insulation silently 4 and inserts conductor、The spark gap 6 that is connected with inserts conductor and transformator 7 (the most replaceable be connected voltage transformer or other equipment),Inserts conductor includes left inserts conductor and right inserts conductor 11,Left inserts conductor and right inserts conductor 11 it is respectively arranged with at the two ends of fuse 2,Left inserts conductor includes the first inserts conductor 9 with the first ring recess 12 and the second inserts conductor 10 with the second ring recess 14,The first ring recess 12 is had in the contact position of the first inserts conductor 9 and the second inserts conductor 10,First spring touches in fat 13 embeds the first ring recess 12 and contacts with the outer surface of the second inserts conductor 10,The second ring recess 14 is had with fuse 2 contact position at the second inserts conductor 10,Second spring touches in fat 15 embeds the second ring recess 14 and contacts with the outer surface of fuse 2,Second inserts conductor 10 end connects insulation silently 4.Having the 3rd ring recess 16 at right inserts conductor 11 with fuse 2 contact position, the 3rd spring touches fat 17 and embeds in the 3rd ring recess 16.Spring 3 one end contacts with fuse 2, and the other end is connected with right inserts conductor 11.The threaded one end of the first inserts conductor 9 connects upper branch bus 8, is connected with spark gap 6 again, is connected with transformator 7 after the threaded lower branch bus of right inserts conductor 11 again after the first threaded lower branch bus 5 in inserts conductor 9 lower end.
In the present embodiment on the basis of the existing fuse protection device being arranged on transformator front end, increase left embedded conductor and the area of right embedded conductor, make big electric current pass through fuse, such as more than 25A electric current.Horizontal bus 18 is the horizontal bus of a rated voltage, and primary system is connected to primary system end of incoming cables 19, after overcurrent fuse 2 by horizontal bus 18, it is connected to transformator 7 further through fuse 2 leading-out terminal, when system resonance or malfunction, first fuse blows
Will isolate power-off by voltage transformer, play the effect of protection bus-bar potential transformer, electric current discharges through spark gap 6, it is ensured that the safety of transformator, it is to avoid transformator receives infringement.
Although the foregoing describing detailed description of the invention of the present utility model, but the those skilled in the art in this area are to be understood that, these are merely illustrative of, and these embodiments can be made various changes or modifications, without departing from principle of the present utility model and essence.Scope of the present utility model is only limited by the claims that follow.
Claims (4)
- null1. a tranformer protection structure,Including fuse insulating drive shell and be arranged on insulation drive shell in fuse、Spring、Insulation silently with inserts conductor、The spark gap being connected with inserts conductor and voltage transformer,It is characterized in that,Inserts conductor includes left inserts conductor and right inserts conductor,Left inserts conductor and right inserts conductor it is respectively arranged with at the two ends of fuse,Left inserts conductor includes the first inserts conductor with the first ring recess and the second inserts conductor with the second ring recess,The first ring recess is had in the contact position of the first inserts conductor and the second inserts conductor,First spring touches in fat embeds the first ring recess and contacts with the second inserts conductor outside surfaces,The second ring recess is had at the second inserts conductor with fuse contact,Second spring touches in fat embeds the second ring recess and contacts with the outer surface of fuse,The 3rd ring recess is had at right inserts conductor with fuse contact,3rd spring touches fat and embeds in the 3rd ring recess,Spring one end and fuse contact,The other end is connected with right inserts conductor,One end of first inserts conductor is fixing connects upper branch bus,Right inserts conductor is through lower branch bus connection transformer.
- 2. tranformer protection structure as claimed in claim 1, it is characterised in that the second described inserts end conductor connects insulation silently.
- 3. tranformer protection structure as claimed in claim 1, it is characterised in that the second inserts conductor is threadeded with lower branch bus.
- 4. tranformer protection structure as claimed in claim 1, it is characterised in that right inserts conductor is threadeded with lower branch bus.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620217669.0U CN205452939U (en) | 2016-03-22 | 2016-03-22 | Transformer protection architecture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620217669.0U CN205452939U (en) | 2016-03-22 | 2016-03-22 | Transformer protection architecture |
Publications (1)
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CN205452939U true CN205452939U (en) | 2016-08-10 |
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CN201620217669.0U Active CN205452939U (en) | 2016-03-22 | 2016-03-22 | Transformer protection architecture |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107146702A (en) * | 2017-07-05 | 2017-09-08 | 河南森源电气股份有限公司 | Voltage transformer and its spring and inserts attachment structure |
-
2016
- 2016-03-22 CN CN201620217669.0U patent/CN205452939U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107146702A (en) * | 2017-07-05 | 2017-09-08 | 河南森源电气股份有限公司 | Voltage transformer and its spring and inserts attachment structure |
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