CN203931784U - Novel conjoined formula current transformer - Google Patents
Novel conjoined formula current transformer Download PDFInfo
- Publication number
- CN203931784U CN203931784U CN201420375174.1U CN201420375174U CN203931784U CN 203931784 U CN203931784 U CN 203931784U CN 201420375174 U CN201420375174 U CN 201420375174U CN 203931784 U CN203931784 U CN 203931784U
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- China
- Prior art keywords
- current transformer
- demarcation strip
- fixed
- side wall
- lateral sidewalls
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Abstract
Novel conjoined formula current transformer, comprise rectangular shell, side wall of outer shell is formed by fixedly connecting by lateral sidewalls and longitudinal side wall, enclosure is fixed with current transformer unit, outer casing bottom is fixed with bottom, cover top portion is fixed with top cover, the lower end of lateral sidewalls offers wire hole, the power line of current transformer unit passes housing exterior by wire hole, portion sets up demarcation strip in the enclosure, demarcation strip is fixedly connected with lateral sidewalls, enclosure is separated into multiple storage units by demarcation strip, in each storage unit, be fixed with a current transformer unit.The utility model is simple in structure, reasonable in design, has protected well current transformer unit, can not produce electric arc, also there will not be the phenomenon that punctures winding coil, has extended useful life, is more convenient for using and promoting.
Description
Technical field
The utility model belongs to the technical field of current transformer, is specifically related to a kind of Novel conjoined formula current transformer.
Background technology
Current transformer is the independent measurement instrument of installing for electric power system, and current transformer can be converted to by certain no-load voltage ratio the secondary current that numerical value is less primary current larger numerical value, is used for protecting, the purposes such as measurement.Current transformer in currently available technology adopts bulk unsaturated polyester die plastic (DMC) shell full-closed structure conventionally, current transformer inside is through structure, the current transformer unit entirety that puts in is again filled with epoxide-resin glue and is sealed, install so not steady, easily cause loose contact, long-term use is easily generated heat or is obtained voltage failure, and in the time of 4 kilovolts of high input voltages, easily produce electric arc, can puncture afterwards winding coil.
Utility model content
The utility model, for solving deficiency of the prior art, has designed a kind of simple in structurely, reasonable in design, there will not be arc through winding coil phenomenon, and Novel conjoined formula current transformer is stably installed.
The utility model is that the technical scheme that realizes its object employing is:
Novel conjoined formula current transformer, comprise rectangular shell, side wall of outer shell is formed by fixedly connecting by lateral sidewalls and longitudinal side wall, enclosure is fixed with current transformer unit, outer casing bottom is fixed with bottom, cover top portion is fixed with top cover, the lower end of lateral sidewalls offers wire hole, the power line of current transformer unit passes housing exterior by wire hole, portion sets up demarcation strip in the enclosure, demarcation strip is fixedly connected with lateral sidewalls, enclosure is separated into multiple storage units by demarcation strip, in each storage unit, be fixed with a current transformer unit.
On the inwall of described longitudinal side wall and on two sides of demarcation strip, be all provided with spacing preiection.
On a side of described demarcation strip, be provided with two spacing preiections, be provided with a spacing preiection on another side of demarcation strip, in each storage unit, the quantity of spacing preiection is 3.
The lower end of described longitudinal side wall is provided with bolt hole.
On the sidewall of described bottom, be provided with alignment pin, on the inwall of lateral sidewalls and longitudinal side wall, offer the location notch matching with alignment pin.
The beneficial effects of the utility model are: Novel conjoined formula current transformer, and simple in structure, reasonable in design; protect well current transformer unit, can not produce electric arc, there will not be the phenomenon that punctures winding coil; extend the useful life of current transformer, be more convenient for using and promoting.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model housing.
Fig. 3 is the vertical view of Fig. 2.
In accompanying drawing, 1 represents lateral sidewalls, and 2 represent longitudinal side wall, and 3 represent current transformer unit, and 4 represent wire hole, and 5 represent power line, and 6 represent demarcation strip, and 7 represent storage unit, and 8 represent spacing preiection, and 9 represent bolt hole.
Embodiment
The utility model is for solving deficiency of the prior art, design a kind of simple in structurely, reasonable in design, there will not be arc through winding coil phenomenon, Novel conjoined formula current transformer is stably installed, and below in conjunction with specific embodiment, the utility model is described in further detail.
Specific embodiment, as shown in Figure 1 to Figure 3, Novel conjoined formula current transformer, comprise rectangular shell, side wall of outer shell is formed by fixedly connecting by lateral sidewalls 1 and longitudinal side wall 2, enclosure is fixed with current transformer unit 3, outer casing bottom is fixed with bottom, cover top portion is fixed with top cover, the lower end of lateral sidewalls 1 offers wire hole 4, the power line 5 of current transformer unit 3 passes housing exterior by wire hole 4, portion sets up demarcation strip 6 in the enclosure, demarcation strip 6 is fixedly connected with lateral sidewalls 1, enclosure is separated into multiple storage units 7 by demarcation strip 6, in each storage unit 7, be fixed with a current transformer unit 3, demarcation strip 6 is made by insulating material, the design of demarcation strip 6 produces electric arc can prevent high input voltage time, prevent from puncturing winding coil.
On on the inwall of described longitudinal side wall 2 and two sides of demarcation strip 6, be all provided with spacing preiection 8, can carry out current transformer unit 3 spacingly, prevent that current transformer unit 3 from rocking.
On a side of described demarcation strip 6, be provided with two spacing preiections 8, on another side of demarcation strip 6, be provided with a spacing preiection 8, the quantity of the interior spacing preiection 8 of each storage unit 7 is 3, spacing preiection 8 can be fixed on current transformer unit 3 in storage unit 7, each storage unit 7 arranges 3 spacing preiections 8, and the difference that can be wrapped in insulating tape thickness on current transformer unit 3 according to workman is like this carried out the location adjustment of current transformer unit 3.
The lower end of described longitudinal side wall 2 is provided with bolt hole 9, makes the installation of current transformer fixing more simple and convenient.
On the sidewall of described bottom, be provided with alignment pin, on the inwall of lateral sidewalls 1 and longitudinal side wall 2, offer the location notch matching with alignment pin, bottom is fixedly connected with shell by the cooperation of alignment pin and location notch, simple in structure, convenient to operation.
The utility model is in the specific implementation: in current transformer casing, be provided with three storage units 7, if when two phase lines, two current transformer unit 3 can be placed in the storage unit 7 at two ends, intermediate isolating is opened, and middle storage unit 7 need not be filled with epoxide-resin glue, so not only environmental protection but also cost-saving; If three-phase electricity, so just three current transformer unit 3 are placed on respectively in three storage units 7, current transformer unit 3 is carried out certain spacing by the spacing preiection 8 on demarcation strip 6, the power line of current transformer unit 35 is passed to housing exterior by wire hole 4, then infusion epoxy resin glue is fixed on current transformer unit 3 in storage unit 7, finally by fixing to bottom and shell.The utility model is simple in structure, reasonable in design, has well protected current transformer unit 3, can not produce electric arc, also there will not be the phenomenon that punctures winding coil, has extended the useful life of current transformer, is more convenient for using and promoting.
Claims (5)
1. Novel conjoined formula current transformer, comprise rectangular shell, side wall of outer shell is formed by fixedly connecting by lateral sidewalls (1) and longitudinal side wall (2), enclosure is fixed with current transformer unit (3), outer casing bottom is fixed with bottom, cover top portion is fixed with top cover, the lower end of lateral sidewalls (1) offers wire hole (4), the power line (5) of current transformer unit (3) passes housing exterior by wire hole (4), it is characterized in that: portion sets up demarcation strip (6) in the enclosure, demarcation strip (6) is fixedly connected with lateral sidewalls (1), enclosure is separated into multiple storage units (7) by demarcation strip (6), in each storage unit (7), be fixed with a current transformer unit (3).
2. Novel conjoined formula current transformer according to claim 1, is characterized in that: on the inwall of described longitudinal side wall (2) and on two sides of demarcation strip (6), be all provided with spacing preiection (8).
3. Novel conjoined formula current transformer according to claim 2, it is characterized in that: on a side of described demarcation strip (6), be provided with two spacing preiections (8), on another side of demarcation strip (6), be provided with a spacing preiection (8), the quantity of the interior spacing preiection of each storage unit (7) (8) is 3.
4. Novel conjoined formula current transformer according to claim 1, is characterized in that: the lower end of described longitudinal side wall (2) is provided with bolt hole (9).
5. Novel conjoined formula current transformer according to claim 1, it is characterized in that: on the sidewall of described bottom, be provided with alignment pin, on the inwall of lateral sidewalls (1) and longitudinal side wall (2), offer the location notch matching with alignment pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375174.1U CN203931784U (en) | 2014-07-08 | 2014-07-08 | Novel conjoined formula current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420375174.1U CN203931784U (en) | 2014-07-08 | 2014-07-08 | Novel conjoined formula current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203931784U true CN203931784U (en) | 2014-11-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420375174.1U Active CN203931784U (en) | 2014-07-08 | 2014-07-08 | Novel conjoined formula current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203931784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240491A (en) * | 2017-08-13 | 2017-10-10 | 安徽君华舜义恩佳非晶材料有限公司 | A kind of nanometer crystal alloy bimag current transformer |
| CN110114846A (en) * | 2016-12-20 | 2019-08-09 | Lg伊诺特有限公司 | Magnetic core, coil block and the electronic building brick including coil block |
-
2014
- 2014-07-08 CN CN201420375174.1U patent/CN203931784U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110114846A (en) * | 2016-12-20 | 2019-08-09 | Lg伊诺特有限公司 | Magnetic core, coil block and the electronic building brick including coil block |
| CN110114846B (en) * | 2016-12-20 | 2022-03-29 | Lg伊诺特有限公司 | Magnetic core, coil assembly and electronic assembly including coil assembly |
| US11482369B2 (en) | 2016-12-20 | 2022-10-25 | Lg Innotek Co., Ltd. | Magnetic core, coil component, and electronic component including same |
| CN107240491A (en) * | 2017-08-13 | 2017-10-10 | 安徽君华舜义恩佳非晶材料有限公司 | A kind of nanometer crystal alloy bimag current transformer |
| CN107240491B (en) * | 2017-08-13 | 2019-03-26 | 芜湖希又智能科技有限公司 | A kind of nanometer crystal alloy bimag current transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |