CN204189601U - A kind of general-purpose type punch current transfomer structure - Google Patents

A kind of general-purpose type punch current transfomer structure Download PDF

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Publication number
CN204189601U
CN204189601U CN201420760065.1U CN201420760065U CN204189601U CN 204189601 U CN204189601 U CN 204189601U CN 201420760065 U CN201420760065 U CN 201420760065U CN 204189601 U CN204189601 U CN 204189601U
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China
Prior art keywords
inner housing
shell body
groove
general
purpose type
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Active
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CN201420760065.1U
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Chinese (zh)
Inventor
包俊明
曹炳钧
周芬
柳伟斌
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HANGZHOU NANHUA TECHNOLOGY Co Ltd
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HANGZHOU NANHUA TECHNOLOGY Co Ltd
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Priority to CN201420760065.1U priority Critical patent/CN204189601U/en
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Abstract

A kind of general-purpose type punch current transfomer structure, comprise shell body and inner housing, shell body and inner housing are the cylinder that length same diameter is different is also concentric structure, and be the airtight connection of integral type between the port of shell body and inner housing wherein one end, the other end is open, line bag standing groove is formed between shell body and inner housing, the vertical strip projected parts that one is slightly shorter than shell body length is provided with outside shell body, secondary lead wires groove is set in projection, inner housing hollow is a wire lead slot, and the quarterline place of inner housing madial wall is provided with groove.The utility model, by improvement to current transformer housing, makes Product processing convenient, once go between be no matter flexible cord or copper coin can be general, and the angle that copper coin loads also can load according to customer requirement, highly versatile, applied widely.

Description

A kind of general-purpose type punch current transfomer structure
Technical field
The utility model relates to instrument transformer technical field, particularly a kind of general-purpose type punch current transfomer structure.
Background technology
In order to ensure power system security economical operation; monitoring and measuring must be carried out to the ruuning situation of power equipment. but general measurement and protective device directly can not access a high-tension apparatus; and need the big current scaling transformation of primary system to become small area analysis; supply measuring instrument and protective device use, and big current scaling transformation is become small area analysis by the effect of current transformer exactly.A wire lead slot structure in estimated current instrument transformer structure is often very single, because it is different once to go between, there are flexible cord or copper coin, cause instrument transformer can not be general, must make the instrument transformer of two kinds of shells, cause instrument transformer poor universality, and the angle that copper coin loads also is fixed and can not be changed, can not meet the different demands of client, the scope of application is little.
Utility model content
The utility model will solve the problem of prior art, provides a kind of highly versatile, general-purpose type punch current transfomer structure applied widely.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of general-purpose type punch current transfomer structure, comprise shell body and inner housing, described shell body and inner housing are the cylinder that length same diameter is different is also concentric structure, and be the airtight connection of integral type between the port of shell body and inner housing wherein one end, the other end is open, line bag standing groove is formed between shell body and inner housing, the vertical strip projected parts that one is slightly shorter than shell body length is provided with outside shell body, secondary lead wires groove is provided with in projection, inner housing hollow is a wire lead slot, and four of inner housing madial wall quarterline places are provided with groove.Line bag standing groove is for placing secondary lead wires bag, two secondary lead wires of secondary lead wires bag are placed in secondary lead wires groove and fix, once go between through time wire lead slot of in inner housing, once lead-in wire can be flexible cord or copper coin, and during loading copper coin, copper coin embeds in the groove of inner housing madial wall fixing.
Further, set on described inner housing madial wall groove shapes is rectangle.It is because copper coin is all generally rectangle that groove is set to rectangle, if client has the copper coin of other shapes, also groove can be set to respective shapes, as arc, and various polygons etc.
Further, described shell body and inner housing entire body adopt the plastic material of insulation.
The beneficial effects of the utility model are: by the improvement to current transformer housing, make Product processing convenient, once go between be no matter flexible cord or copper coin can be general, and the angle that copper coin loads also can load according to customer requirement, highly versatile, applied widely.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 be in Fig. 1 A-A to profile.
1, shell body; 2, line bag standing groove; 3, secondary lead wires groove; 4, inner housing; 5, a wire lead slot.
Embodiment
Below by embodiment and accompanying drawing, the utility model is further described.
Composition graphs 1 and Fig. 2, a kind of general-purpose type punch current transfomer structure, comprise shell body 1 and inner housing 4, described shell body 1 and inner housing 4 are the cylinder that length same diameter is different is also concentric structure, and be the airtight connection of integral type between the port of shell body 1 and inner housing 4 wherein one end, the other end is open, line bag standing groove 2 is formed between shell body 1 and inner housing 4, the vertical strip projected parts that one is slightly shorter than shell body 1 length is provided with outside shell body 1, secondary lead wires groove 3 is provided with in projection, inner housing 4 hollow is a wire lead slot 5, and four quarterline places of inner housing 4 madial wall are provided with groove.Wherein, set on described inner housing 4 madial wall groove shapes is rectangle.Wherein, described shell body 1 and inner housing 4 entire body adopt the plastic material of insulation.
During concrete enforcement, secondary lead wires bag is put into line bag standing groove 2, two secondary lead wires load secondary lead wires groove 3 by technological requirement position and fix, then encapsulating is carried out to secondary lead wires groove 3, load at instrument transformer structure wire lead slot 5 after having filled with glue and once go between, can fill flexible cord by customer requirement and also can fill copper coin, during installation copper coin, copper coin embeds in the rectangular recess of inner housing madial wall fixing, and the angle that copper coin loads can change according to customer requirement.
Specific embodiment of the utility model is only described in upper, but architectural feature of the present utility model is not limited thereto, the utility model may be used on similar product, any those skilled in the art is in field of the present utility model, and the change done or modification are all encompassed among the scope of the claims of the present utility model.

Claims (3)

1. a general-purpose type punch current transfomer structure, comprise shell body (1) and inner housing (4), it is characterized in that: described shell body (1) and inner housing (4) are for the different cylinder of length same diameter and in concentric structure, and be the airtight connection of integral type between the port of shell body (1) and inner housing (4) wherein one end, the other end is open, line bag standing groove (2) is formed between shell body (1) and inner housing (4), shell body (1) outside is provided with the vertical strip projected parts that is slightly shorter than shell body (1) length, secondary lead wires groove (3) is provided with in projection, inner housing (4) hollow is a wire lead slot (5), and four quarterline places of inner housing (4) madial wall are provided with groove.
2. a kind of general-purpose type punch current transfomer structure according to claim 1, is characterized in that: groove shapes set on described inner housing (4) madial wall is rectangle.
3. a kind of general-purpose type punch current transfomer structure according to claim 1, is characterized in that: described shell body (1) and inner housing (4) entire body adopt the plastic material of insulation.
CN201420760065.1U 2014-12-08 2014-12-08 A kind of general-purpose type punch current transfomer structure Active CN204189601U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420760065.1U CN204189601U (en) 2014-12-08 2014-12-08 A kind of general-purpose type punch current transfomer structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420760065.1U CN204189601U (en) 2014-12-08 2014-12-08 A kind of general-purpose type punch current transfomer structure

Publications (1)

Publication Number Publication Date
CN204189601U true CN204189601U (en) 2015-03-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420760065.1U Active CN204189601U (en) 2014-12-08 2014-12-08 A kind of general-purpose type punch current transfomer structure

Country Status (1)

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CN (1) CN204189601U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106960722A (en) * 2017-05-02 2017-07-18 华建电气有限公司 Straight-through current transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106960722A (en) * 2017-05-02 2017-07-18 华建电气有限公司 Straight-through current transformer

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