CN204480876U - A kind of protective current transformer, of powering carrying test coil - Google Patents
A kind of protective current transformer, of powering carrying test coil Download PDFInfo
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- CN204480876U CN204480876U CN201420869976.8U CN201420869976U CN204480876U CN 204480876 U CN204480876 U CN 204480876U CN 201420869976 U CN201420869976 U CN 201420869976U CN 204480876 U CN204480876 U CN 204480876U
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Abstract
The utility model discloses a kind of protective current transformer, of powering carrying test coil, relate to electronic devices and components field.Lacking big current simulate electric field for solving on-the-spot test, being difficult to the problem of the precision of measuring current instrument transformer and inventing.The technical scheme that the utility model embodiment provides comprises: shell, Wei Weidmulie terminal, iron core and two groups of coils; Described Weidmulie terminal installation Wei on the housing; Described iron core is arranged in described shell; Described two groups of coils divide both sides around on described iron core, are used for power supply and sampling, while be used for test; Packing material is filled with in described shell; Described Wei, Weidmulie terminal comprised 4 connection jaws, and wherein 2 connection jaws connect top and the end of one group of coil, and other 2 connection jaws connect top and the end of other one group of coil.
Description
Technical field
The utility model relates to electronic devices and components field, particularly relates to a kind of protective current transformer, of powering carrying test coil.
Background technology
Current transformer is widely used in electric power system, generally for the safety and economic operation ensureing electric power system, must carry out monitoring and measuring to the ruuning situation of power equipment.But existing protective current transformer, is running on-the-spot owing to lacking big current simulate electric field and cannot the precision of measuring current instrument transformer, is difficult to large-scale popularization and uses.
Utility model content
The utility model provides a kind of protective current transformer, of powering carrying test coil, stability and precision higher, power department and the user needs to power supply and protection can be met.
The utility model technical solution problem adopts following technical scheme: a kind of protective current transformer, of powering carrying test coil, comprising:
Shell, Wei Weidmulie terminal, iron core and two groups of coils;
Described Weidmulie terminal installation Wei on the housing; Described iron core is arranged in described shell; Described two groups of coils divide both sides around on described iron core, are used for power supply and sampling, while be used for test; Packing material is filled with in described shell; Described Wei, Weidmulie terminal comprised 4 connection jaws, and wherein 2 connection jaws connect top and the end of one group of coil, and other 2 connection jaws connect top and the end of other one group of coil.
Optionally, what the utility model embodiment provided carries in the protective current transformer, of powering of test coil, and described iron core is made up of silicon steel sheet or non-crystaline amorphous metal.
Optionally, what the utility model embodiment provided carries in the protective current transformer, of powering of test coil, and described packing material comprises: polyurethane, modified epoxy and/or silicon rubber.
Optionally, what the utility model embodiment provided carries in the protective current transformer, of powering of test coil, and described shell is flame-proof ABS plastic casing.
Optionally, what the utility model embodiment provided carries in the protective current transformer, of powering of test coil, and described shell, comprising:
Housing, baffle plate, open tubular column and base; Described housing is hollow form, and described baffle plate is fixed on one end of described housing, and covers an opening of described housing; Described baffle plate is offered porose; Described open tubular column is fixed on described baffle plate, is positioned at described housing, and the axis of described open tubular column is parallel with the length direction of described housing, and the central through hole of described open tubular column overlaps with the hole on described baffle plate; Described iron core and two groups of coils are enclosed within described open tubular column; The cross section of described housing is rectangular, and four of described rectangle bights all have chamfering; Described packing material is filled in the region that described housing, baffle plate and open tubular column surround; Described Wei, Weidmulie terminal was arranged on the housing, described Wei Weidmulie terminal opposite side housing on described base is set, described base protrudes from the two ends of described housing, and described base offers guide-track groove.
Optionally, what the utility model embodiment provided carries in the protective current transformer, of powering of test coil, and the length of described housing is 100mm, and width is 124mm.
The utility model has following beneficial effect: by Wei Weidmulie terminal, iron core and two groups of coils, stability and precision can be improved, conveniently promote the use of; In addition, the protective current transformer, of powering of what the utility model embodiment provided carry test coil can directly be tested in test site, can also realize the power supply of test site, monitoring and defencive function.The technical scheme that the utility model embodiment provides solves existing protective current transformer, and is running on-the-spot owing to lacking big current simulate electric field and cannot the precision of measuring current instrument transformer, is difficult to the problem that large-scale popularization uses.
Accompanying drawing explanation
The structural representation carrying the protective current transformer, of powering of test coil that Fig. 1 provides for the utility model embodiment 1.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the technical solution of the utility model is further elaborated.
Embodiment 1
As shown in Figure 1, present embodiments provide a kind of protective current transformer, of powering carrying test coil, comprising: shell 101, Wei Weidmulie terminal 102, iron core 103 and two groups of coils 104; Described Weidmulie terminal installation Wei on the housing; Described iron core is arranged in described shell; Described two groups of coils divide both sides around on described iron core, are used for power supply and sampling, while be used for test; Packing material 105 is filled with in described shell; Described Wei, Weidmulie terminal comprised 4 connection jaws, and wherein 2 connection jaws connect top and the end of one group of coil, and other 2 connection jaws connect top and the end of other one group of coil.
In the present embodiment, in order to improve accuracy and accurate limitation ratio, this iron core is made up of silicon steel sheet or non-crystaline amorphous metal; In order to protection against the tide, this packing material comprises polyurethane, modified epoxy and/or silicon rubber; In order to fire-retardant, this shell is flame-proof ABS plastic casing.
Especially, the shell that the present embodiment provides, housing, baffle plate, open tubular column and base; Described housing is hollow form, and described baffle plate is fixed on one end of described housing, and covers an opening of described housing; Described baffle plate is offered porose; Described open tubular column is fixed on described baffle plate, is positioned at described housing, and the axis of described open tubular column is parallel with the length direction of described housing, and the central through hole of described open tubular column overlaps with the hole on described baffle plate; Described iron core and two groups of coils are enclosed within described open tubular column; The cross section of described housing is rectangular, and four of described rectangle bights all have chamfering; Described packing material is filled in the region that described housing, baffle plate and open tubular column surround; Described Wei, Weidmulie terminal was arranged on the housing, described Wei Weidmulie terminal opposite side housing on described base is set, described base protrudes from the two ends of described housing, and described base offers guide-track groove.Concrete, the length of this housing is 100mm, and width is 124mm.
The utility model has following beneficial effect: by Wei Weidmulie terminal, iron core and two groups of coils, stability and precision can be improved, conveniently promote the use of; In addition, the protective current transformer, of powering of what the utility model embodiment provided carry test coil can directly be tested in test site, can also realize the power supply of test site, monitoring and defencive function.The technical scheme that the utility model embodiment provides solves existing protective current transformer, and is running on-the-spot owing to lacking big current simulate electric field and cannot the precision of measuring current instrument transformer, is difficult to the problem that large-scale popularization uses.
The sequencing of above embodiment, only for ease of describing, does not represent the quality of embodiment.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (5)
1. carry a protective current transformer, of powering for test coil, it is characterized in that, comprising:
Shell, Wei Weidmulie terminal, iron core and two groups of coils;
Described Weidmulie terminal installation Wei on the housing; Described iron core is arranged in described shell; Described two groups of coils divide both sides around on described iron core, are used for power supply and sampling, while be used for test; Packing material is filled with in described shell; Described Wei, Weidmulie terminal comprised 4 connection jaws, and wherein 2 connection jaws connect top and the end of one group of coil, and other 2 connection jaws connect top and the end of other one group of coil.
2. the protective current transformer, of powering carrying test coil according to claim 1, it is characterized in that, described iron core is made up of silicon steel sheet or non-crystaline amorphous metal.
3. the protective current transformer, of powering carrying test coil according to claim 1, is characterized in that, described shell is flame-proof ABS plastic casing.
4. the protective current transformer, of powering carrying test coil as claimed in any of claims 1 to 3, it is characterized in that, described shell, comprising:
Housing, baffle plate, open tubular column and base; Described housing is hollow form, and described baffle plate is fixed on one end of described housing, and covers an opening of described housing; Described baffle plate is offered porose; Described open tubular column is fixed on described baffle plate, is positioned at described housing, and the axis of described open tubular column is parallel with the length direction of described housing, and the central through hole of described open tubular column overlaps with the hole on described baffle plate; Described iron core and two groups of coils are enclosed within described open tubular column; The cross section of described housing is rectangular, and four of described rectangle bights all have chamfering; Described packing material is filled in the region that described housing, baffle plate and open tubular column surround; Described Wei, Weidmulie terminal was arranged on the housing, described Wei Weidmulie terminal opposite side housing on described base is set, described base protrudes from the two ends of described housing, and described base offers guide-track groove.
5. the protective current transformer, of powering carrying test coil according to claim 4, is characterized in that, the length of described housing is 100mm, and width is 124mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869976.8U CN204480876U (en) | 2014-12-31 | 2014-12-31 | A kind of protective current transformer, of powering carrying test coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420869976.8U CN204480876U (en) | 2014-12-31 | 2014-12-31 | A kind of protective current transformer, of powering carrying test coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204480876U true CN204480876U (en) | 2015-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420869976.8U Active CN204480876U (en) | 2014-12-31 | 2014-12-31 | A kind of protective current transformer, of powering carrying test coil |
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| CN (1) | CN204480876U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677885A (en) * | 2017-04-26 | 2018-02-09 | 国网浙江义乌市供电公司 | One kind exempts from wiring electrical parameter sensor |
-
2014
- 2014-12-31 CN CN201420869976.8U patent/CN204480876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677885A (en) * | 2017-04-26 | 2018-02-09 | 国网浙江义乌市供电公司 | One kind exempts from wiring electrical parameter sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: REALLOPP ELECTRIC (BEIJING) CO., LTD. Free format text: FORMER NAME: RUI AO ELECTRIC (BEIJING) CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 101407 Beijing city Huairou District Yanqi Economic Development Zone East Road No. 68 Yan two Patentee after: REALLOPP ELECTRIC (BEIJING) CO., LTD. Address before: 101407 Beijing city Huairou District Yanqi Economic Development Zone East Road No. 68 Yan two Patentee before: REALLOPP ELECTRIC (BEIJING) CO., LTD. |