CN220208718U - Through type current transformer - Google Patents
Through type current transformer Download PDFInfo
- Publication number
- CN220208718U CN220208718U CN202321128524.XU CN202321128524U CN220208718U CN 220208718 U CN220208718 U CN 220208718U CN 202321128524 U CN202321128524 U CN 202321128524U CN 220208718 U CN220208718 U CN 220208718U
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- current transformer
- iron core
- plug
- groove
- insulating shell
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000004020 conductor Substances 0.000 abstract description 19
- 238000004804 winding Methods 0.000 abstract description 16
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model discloses a through type current transformer, which belongs to the technical field of current transformers and particularly relates to a through type current transformer, comprising a lower insulating shell and an upper insulating shell, wherein a lower iron core is arranged in the lower insulating shell, plug blocks are arranged on two sides of the lower iron core, a bearing groove is arranged on the plug blocks, a magnetic block is arranged in the bearing groove, a connecting groove and a plug groove are arranged in the bottom of the upper insulating shell, an upper iron core is arranged in the connecting groove, a fixed screw hole is arranged on the outer wall of the plug groove, and the current transformer is divided into an upper part and a lower part, so that winding can be performed without disassembling one end of a current carrying conductor when winding the current carrying conductor, and the efficiency of winding the current carrying conductor is greatly improved.
Description
Technical Field
The utility model relates to the technical field of current transformers, in particular to a through type current transformer.
Background
The bus type current transformer is a low-voltage indoor bus type casting insulating and plastic shell insulating current transformer, and is commonly called a through type current transformer. The current transformer is widely applied to the measuring, electric energy metering and relay protection loops of the low-voltage system, and can directly use a current-carrying conductor to pass through the window hole to serve as a primary winding and change the number of winding rings (turns) of the primary winding according to the requirement so as to adapt to loops with different rated currents.
The current-carrying conductor in the prior art needs to pass through the window hole when in use, so when the current-carrying conductor is installed, one end of the current-carrying conductor needs to be removed and then is in winding operation with the current-carrying transformer, which is very troublesome, and therefore, improvement is needed.
Disclosure of Invention
This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.
The present utility model has been made in view of the problems existing in the existing through-type current transformer.
Therefore, the utility model aims to provide the through type current transformer, and the current transformer is divided into the upper part and the lower part, so that when a current-carrying conductor is wound, the winding can be performed without disassembling one end of the current-carrying conductor, and the efficiency of the winding of the current-carrying conductor is greatly improved.
In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:
a through type current transformer comprises a lower insulating shell and an upper insulating shell;
the lower insulating shell is internally provided with a lower iron core, two sides of the lower iron core are provided with plug blocks, the plug blocks are provided with bearing grooves, magnetic blocks are arranged in the bearing grooves, the upper insulating shell is internally provided with connecting grooves and plug grooves, the connecting grooves are internally provided with upper iron cores, and fixing screw holes are formed in the outer walls of the plug grooves.
As a preferred embodiment of the through-type current transformer according to the present utility model, the following is adopted: the bottom of the lower insulating shell is provided with a mounting seat, the bottom of the mounting seat is provided with a connecting seat, and two ends of the connecting seat are provided with connecting holes.
As a preferred embodiment of the through-type current transformer according to the present utility model, the following is adopted: the two ends of the lower iron core penetrate through the lower insulating shell to be spliced with the connecting grooves, and the lower iron core is in contact connection with the upper iron core.
As a preferred embodiment of the through-type current transformer according to the present utility model, the following is adopted: the plug-in blocks are plugged with the plug-in grooves on the same side, and the tops of the inner cavities of the plug-in grooves are fixedly connected with iron sheets.
As a preferred embodiment of the through-type current transformer according to the present utility model, the following is adopted: and the two ends of the lower insulating shell are provided with inserting grooves and connecting grooves.
As a preferred embodiment of the through-type current transformer according to the present utility model, the following is adopted: the fixing screw hole is connected with a fixing screw in a screwed mode, and the fixing screw is abutted to the side wall of the plug-in block.
Compared with the prior art, the utility model has the beneficial effects that: by dividing the current transformer into an upper part and a lower part, when the current-carrying conductor is wound, the winding can be performed without disassembling one end of the current-carrying conductor, and the efficiency of the current-carrying conductor winding is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description of the embodiments of the present utility model will be given with reference to the accompanying drawings, which are to be understood as merely some embodiments of the present utility model, and from which other drawings can be obtained by those skilled in the art without inventive faculty. Wherein:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic top view of the present utility model;
FIG. 4 is a schematic perspective view of the present utility model;
FIG. 5 is a schematic cross-sectional view of the present utility model.
In the figure; 100 lower insulating shell, 110 mount pad, 120 connecting seat, 130 lower iron core, 140 plug-in block, 150 bearing groove, 160 magnetic block, 200 upper insulating shell, 210 connecting groove, 220 plug-in groove, 230 upper iron core, 240 fixing screw hole.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.
Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.
The utility model provides the following technical scheme: in the use process, the current transformer is divided into an upper part and a lower part, so that when a current-carrying conductor is wound, one end of the current-carrying conductor does not need to be disassembled for winding, and the efficiency of the current-carrying conductor winding is greatly improved;
fig. 1 to 3 are schematic structural views of a first embodiment of a through-hole current transformer according to the present utility model, referring to fig. 1 to 3, a main body portion of the through-hole current transformer includes a lower insulating housing 100 and an upper insulating housing 200;
the lower insulating housing 100 is internally provided with a lower iron core 130, two sides of the lower iron core 130 are provided with plug blocks 140, the plug blocks 140 are provided with bearing grooves 150, the bearing grooves 150 are internally provided with magnetic blocks 160, the bottom of the upper insulating housing 200 is internally provided with connecting grooves 210 and plug grooves 220, the connecting grooves 210 are internally provided with upper iron cores 230, the outer walls of the plug grooves 220 are provided with fixing screw holes 240, the bottom of the lower insulating housing 100 is specifically provided with mounting seats 110, the bottom of the mounting seats 110 is provided with connecting seats 120, two ends of the connecting seats 120 are provided with connecting holes, the two ends of the lower iron core 130 penetrate through the lower insulating housing 100 and the connecting grooves 210, the lower iron core 130 is in contact connection with the upper iron core 230, the two ends of the lower insulating housing 100 are respectively provided with plug grooves 220 and the connecting grooves 210, the fixing screw holes 240 are in threaded connection with fixing screws, the side walls of the plug blocks 140 are in butt joint, the lower insulating housing 100 and the upper insulating housing 200 are used for conducting insulation treatment on the lower iron core 130 and the upper iron core 230, the mounting seats 110 are used for connecting the lower insulating housing 100 and the connecting seats 120, the mounting seats 120 are used for conducting assembly on the lower insulating housing 100 and the iron core 230, the upper iron core 130 and the upper iron core 230 are used for conducting assembly through the plug blocks and the bearing grooves 150, the bearing grooves 150 are further used for being matched with the bearing grooves 150, the bearing grooves 150 are formed in a circular shape, the bearing grooves and the bearing grooves are used for carrying grooves 150, the bearing grooves are further connected with the upper insulating housing and the upper insulating housing 200, the upper insulating housing and the upper iron core is connected with the upper iron core 230 and the upper iron core 230 is in the upper insulating housing and the upper insulating housing, and the upper insulating housing 200;
with reference to fig. 1 to 3, the specific working principle of the through type current transformer in this embodiment is as follows, by dividing the current transformer into an upper part and a lower part, when winding is performed on a current-carrying conductor, winding can be performed without disassembling one end of the current-carrying conductor, and efficiency of winding of the current-carrying conductor is greatly increased. Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. A through type current transformer is characterized in that: comprises a lower insulating shell (100) and an upper insulating shell (200);
be provided with lower part iron core (130) in lower insulating housing (100), lower part iron core (130) both sides are provided with spliced block (140), be provided with on spliced block (140) and bear groove (150), be provided with magnetic path (160) in bearing groove (150), be provided with spread groove (210) and spread groove (220) in last insulating housing (200) end, be provided with upper portion iron core (230) in spread groove (210), be provided with fixed screw (240) on the outer wall of spread groove (220).
2. A through-hole current transformer according to claim 1, characterized in that: the bottom of the lower insulating shell (100) is provided with a mounting seat (110), the bottom of the mounting seat (110) is provided with a connecting seat (120), and two ends of the connecting seat (120) are provided with connecting holes.
3. A through-hole current transformer according to claim 1, characterized in that: the two ends of the lower iron core (130) penetrate through the lower insulating shell (100) to be spliced with the connecting grooves (210), and the lower iron core (130) is in contact connection with the upper iron core (230).
4. A through-hole current transformer according to claim 1, characterized in that: the plug-in blocks (140) are plugged with the plug-in grooves (220) on the same side, and the tops of the inner cavities of the plug-in grooves (220) are fixedly connected with iron sheets.
5. A through-hole current transformer according to claim 1, characterized in that: and the two ends of the lower insulating shell (100) are provided with a plugging groove (220) and a connecting groove (210).
6. A through-hole current transformer according to claim 1, characterized in that: the fixing screw hole (240) is in threaded connection with a fixing screw, and the fixing screw is in butt joint with the side wall of the plug-in block (140).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321128524.XU CN220208718U (en) | 2023-05-11 | 2023-05-11 | Through type current transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321128524.XU CN220208718U (en) | 2023-05-11 | 2023-05-11 | Through type current transformer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220208718U true CN220208718U (en) | 2023-12-19 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321128524.XU Active CN220208718U (en) | 2023-05-11 | 2023-05-11 | Through type current transformer |
Country Status (1)
Country | Link |
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CN (1) | CN220208718U (en) |
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2023
- 2023-05-11 CN CN202321128524.XU patent/CN220208718U/en active Active
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