CN205248086U - Current transformer mounting structure - Google Patents
Current transformer mounting structure Download PDFInfo
- Publication number
- CN205248086U CN205248086U CN201521097907.0U CN201521097907U CN205248086U CN 205248086 U CN205248086 U CN 205248086U CN 201521097907 U CN201521097907 U CN 201521097907U CN 205248086 U CN205248086 U CN 205248086U
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- current transformer
- fixed head
- base plate
- transformer
- fuse
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Abstract
The utility model provides a current transformer mounting structure, include: the bottom plate of welding on the transformer core folder, with the fixed plate that the bottom plate is connected, the fixed plate is connected with the current transformer core, the transformer winding follow that goes between draw forth at the center of current transformer core, install current transformer core center, with the transformer winding lead wire with the insulating cylinder of current transformer core insulated isolation. The installation seat that risees has been cancelled between transformer tank and sleeve pipe to this structure, change into with the current transformer direct mount on the inside iron core folder of transformer, shortened the length of current transformer sleeve pipe afterbody.
Description
Technical field
The utility model relates to technical field of transformer manufacturing, is specifically related to Current Mutual Inductance in a kind of transformerDevice mounting structure.
Background technology
Conventionally, jumbo transformer all needs jointly to use with measurement and protection equipment, and Current Mutual InductanceDevice is exactly the current source for measurement and protection equipment supply electric current. Bushing type current transformer is normally installedAt bushing shell for transformer ground connection flange, this just need to install a rising between oil tank of transformer and sleeve pipeSeat is placed current transformer.
Along with increasing of power consumption, many transformers all need increase capacity. But due to the limit in original placeSystem, transformer overall dimensions is often very limited. In the time of installation sleeve cast current transformer, if adoptThe mounting means that increases the seat that raises will cause transformer whole height superelevation, cannot meet place needs.Above mounting means also can make current transformer sleeve pipe afterbody long simultaneously, thereby makes sleeve pipe entire lengthIncrease, increase the expense of sleeve pipe.
Utility model content
In view of this, the utility model provides a kind of current transformer installing structure, and this structure has been cancelledThe seat that raises is installed between oil tank of transformer and sleeve pipe, is changed into current transformer is directly installed in transformerOn portion's iron core folder, shorten the length of current transformer sleeve pipe afterbody, can effectively reduce transformer simultaneouslyThe height of entirety, makes transformer fabricating yard range of choice wider.
For achieving the above object, the utility model provides following technical scheme:
A kind of current transformer installing structure, comprising:
Be welded on the base plate on transformer core clamp;
The fixed head being connected with described base plate; Described fixed head and current transformer core sub-connection, transformerWinding leads is drawn from the center of described current transformer fuse;
Be arranged on described current transformer core subcenter, by Transformer Winding lead-in wire and described current transformerThe insulating cylinder of fuse insulation isolation.
Preferably, described base plate comprises:
Be vertically welded in the first base plate on transformer core clamp;
Be vertically welded on transformer core clamp second base plate parallel with described the first base plate.
Preferably, described fixed head comprises:
Be arranged on the first fixed head of the leading flank of current transformer fuse, described the first fixed head end withDescribed the first base plate connects;
Be arranged on the second fixed head of the trailing flank of current transformer fuse, described the second fixed head end withDescribed the second base plate connects.
Preferably, described the first fixed head and described the second fixed head are fastenedly connected by securing member and by instituteThe rear and front end of stating current transformer fuse clamps.
Preferably, also comprise:
Be arranged on the first spacer between described the first fixed head and described current transformer fuse leading flankCircle;
And/or be arranged on second between described the second fixed head and described current transformer fuse trailing flank adjustJoint packing ring.
Preferably, described insulating cylinder comprises phenolic aldehyde paper web.
Preferably, described the first fixed head is connected by securing member with described the first base plate; Described second is solidDetermining plate is connected by securing member with described the second base plate.
Based on technique scheme, the current transformer installing structure that the utility model provides, has cancelledThe seat that raises is installed between oil tank of transformer and sleeve pipe, is changed into current transformer is arranged on to the inner iron of transformerOn core folder. By weld base plate on folder, then on base plate, be connected and fixed plate. Fixed head and electric currentTransformer fuse connects, and becomes an entirety. By fixed head is connected and has realized Current Mutual Inductance with base plateDevice is connected with iron core folder. Meanwhile, the winding leads of transformer is drawn from current transformer core subcenter,And insulating cylinder is set, ensure the insulating properties between all parts. Current transformer is arranged on to iron core clampOn part, shorten the length of current transformer sleeve pipe afterbody, can effectively reduce the height of transformer entirety simultaneouslyDegree, makes transformer fabricating yard range of choice wider.
Brief description of the drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, below will be to implementingIn example or description of the Prior Art, the accompanying drawing of required use is briefly described, and apparently, retouches belowAccompanying drawing in stating is only embodiment of the present utility model, for those of ordinary skill in the art,Do not pay under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The structural representation of a kind of current transformer installing structure that Fig. 1 provides for the utility model;
The another structural representation of a kind of current transformer installing structure that Fig. 2 provides for the utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model, to the technical scheme in the utility model carry out clear,Intactly describe, obviously, described embodiment is only the utility model part embodiment, and notWhole embodiment. Based on the embodiment in the utility model, those of ordinary skill in the art are not havingMake the every other embodiment obtaining under creative work prerequisite, all belong to the utility model protectionScope.
The structural representation of a kind of current transformer installing structure that Fig. 1 provides for the utility model, with reference to figure1, this current transformer installing structure can comprise:
Base plate 1; Fixed head 2, current transformer fuse 3, lead-in wire 4; Insulating cylinder 5;
Wherein, base plate 1 is welded on the inner iron core folder of transformer, and fixed head 2 one end are connected with base plate 1,The other end is connected with current transformer fuse 3. Lead-in wire 4 in Transformer Winding is from current transformer fuse 3Draw center. Be provided with an insulating cylinder 5 in the inside of current transformer fuse 3, lead-in wire 4 is from insulating cylinder5 inside is passed. By insulating cylinder 5 is set, can make Transformer Winding lead-in wire 4 and current transformer fuseIsolated insulation between 3, without electrical connection. Wherein, insulating cylinder can comprise phenolic aldehyde paper web.
The current transformer installing structure that the utility model provides, cancelled oil tank of transformer and sleeve pipe itBetween the seat that raises is installed, change into current transformer be arranged on the inner iron core folder of transformer. By pressing from both sidesOn part, weld base plate, then on base plate, be connected and fixed plate. Fixed head and current transformer core sub-connection, andBecome an entirety. Realize being connected of current transformer and iron core folder by fixed head is connected with base plate.Meanwhile, the winding leads of transformer is drawn from current transformer core subcenter, and insulating cylinder is set, and ensuresInsulating properties between all parts. Current transformer is arranged on iron core folder, has shortened electric current mutualThe length of sensor sleeve pipe afterbody, the while can effectively be reduced the height of transformer entirety, makes transformer erecting bedGround range of choice is wider.
Refer to Fig. 2, the another knot of a kind of current transformer installing structure that Fig. 2 provides for the utility modelStructure schematic diagram. Base plate 1 in the present embodiment specifically can comprise the first base plate 101 and the second base plate 102, theOne base plate 101 is vertically mounted on transformer core clamp, and the second base plate 102 is parallel with the first base plate 101,Be welded on too on transformer core clamp. Between the first base plate 101 and the second base plate 102, have certainThe gap of length, current transformer fuse 3 may be stuck in this gap.
Fixed head 2 also can comprise that the first fixed head 201 and the second fixed head 202, the first fixed heads 201 pacifyBe contained in the leading flank of current transformer fuse 3, the second fixed head 202 be arranged on current transformer fuse 3 afterSide. The first fixed head 201 ends are connected by securing member with the first base plate 101, the second fixed head 202End is connected by securing member with the second base plate 102. Meanwhile, the first fixed head 201 and the second fixed head 202Between also connect by securing member, and the rear and front end of current transformer fuse 3 is clamped.
Between the first fixed head 201 and the leading flank of current transformer fuse 3, the first adjusting can be setPacking ring 6, and/or arrange second between the second fixed head 202 and the trailing flank of current transformer fuse 3Adjusting washer (disk), the second adjusting washer (disk) is identical with the first adjusting washer (disk) structure. Arrange the first adjusting washer (disk) orThe second adjusting washer (disk) can clamp current transformer fuse between the first fixed head and the second fixed head,Do not rock.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realized or useThe utility model. To be aobvious for those skilled in the art to the multiple amendment of these embodimentAnd easily see, General Principle as defined herein can not depart from spirit or scope of the present utility modelSituation under, in other embodiments realize. Therefore, the utility model will can not be restricted to institute hereinThese embodiment that show, but to meet consistent with principle disclosed herein and features of novelty the widestScope.
Claims (7)
1. a current transformer installing structure, is characterized in that, comprising:
Be welded on the base plate on transformer core clamp;
The fixed head being connected with described base plate; Described fixed head and current transformer core sub-connection, transformerWinding leads is drawn from the center of described current transformer fuse;
Be arranged on described current transformer core subcenter, by Transformer Winding lead-in wire and described current transformerThe insulating cylinder of fuse insulation isolation.
2. current transformer installing structure according to claim 1, is characterized in that, described base plateComprise:
Be vertically welded in the first base plate on transformer core clamp;
Be vertically welded on transformer core clamp second base plate parallel with described the first base plate.
3. current transformer installing structure according to claim 2, is characterized in that, described fixingPlate comprises:
Be arranged on the first fixed head of the leading flank of current transformer fuse, described the first fixed head end withDescribed the first base plate connects;
Be arranged on the second fixed head of the trailing flank of current transformer fuse, described the second fixed head end withDescribed the second base plate connects.
4. current transformer installing structure according to claim 3, is characterized in that, described firstFixed head and described the second fixed head are fastenedly connected by securing member and by before described current transformer fuseRear two ends clamp.
5. current transformer installing structure according to claim 4, is characterized in that, also comprises:
Be arranged on the first spacer between described the first fixed head and described current transformer fuse leading flankCircle;
And/or be arranged on second between described the second fixed head and described current transformer fuse trailing flank adjustJoint packing ring.
6. current transformer installing structure according to claim 5, is characterized in that, described insulationCylinder comprises phenolic aldehyde paper web.
7. current transformer installing structure according to claim 6, is characterized in that, described firstFixed head is connected by securing member with described the first base plate; Described the second fixed head and described the second base plate are logicalCrossing securing member connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097907.0U CN205248086U (en) | 2015-12-28 | 2015-12-28 | Current transformer mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521097907.0U CN205248086U (en) | 2015-12-28 | 2015-12-28 | Current transformer mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248086U true CN205248086U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521097907.0U Active CN205248086U (en) | 2015-12-28 | 2015-12-28 | Current transformer mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895341A (en) * | 2016-05-25 | 2016-08-24 | 国网河南省电力公司济源供电公司 | Current limiter with iron core grounded |
-
2015
- 2015-12-28 CN CN201521097907.0U patent/CN205248086U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105895341A (en) * | 2016-05-25 | 2016-08-24 | 国网河南省电力公司济源供电公司 | Current limiter with iron core grounded |
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| GR01 | Patent grant |