CN211555672U - Novel current transformer - Google Patents
Novel current transformer Download PDFInfo
- Publication number
- CN211555672U CN211555672U CN202020336194.3U CN202020336194U CN211555672U CN 211555672 U CN211555672 U CN 211555672U CN 202020336194 U CN202020336194 U CN 202020336194U CN 211555672 U CN211555672 U CN 211555672U
- Authority
- CN
- China
- Prior art keywords
- iron core
- clamping
- annular iron
- current transformer
- shaped steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 53
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 238000004804 winding Methods 0.000 claims description 23
- 238000009413 insulation Methods 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Transformers For Measuring Instruments (AREA)
Abstract
The utility model provides a novel current transformer, which comprises an annular iron core, a supporting component for supporting the annular iron core, a clamping component for clamping and fixing the iron core, and an insulating layer poured outside; the supporting assembly comprises reverse U-shaped steel, a square hole is formed in the top of the reverse U-shaped steel, the annular iron core is placed in the square hole, the width of the square hole corresponds to that of the annular iron core, and the length of the square hole is smaller than the outer diameter of the annular iron core; the clamping components are arranged on two sides of the annular iron core and used for clamping the annular iron core from the side face, and the bottom of the clamping components is fixedly connected with the supporting components. Novel current transformer not only can place annular iron core, can also the trailing flank presss from both sides tightly annular iron core, increased the stability of pouring the in-process, effectively improved the product quality rate.
Description
Technical Field
The utility model belongs to the technical field of current transformer, especially, relate to a novel current transformer.
Background
The current transformer is mainly used for measuring the current of the circuit, so that the real-time monitoring of the circuit is realized, and the purpose of protection is achieved. Current transformer need fix the iron core at the in-process of pouring, but current transformer mostly lacks special fixing device, causes to pour the lower problem of success rate.
Disclosure of Invention
In view of this, the utility model aims at providing a novel current transformer to solve current transformer and lack the device of fixing to the iron core specially, cause to pour the lower problem of success rate.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a novel current transformer comprises an annular iron core, a supporting component for supporting the annular iron core, a clamping component for clamping and fixing the iron core, and an insulating layer poured outside;
the supporting assembly comprises reverse U-shaped steel, a square hole is formed in the top of the reverse U-shaped steel, the annular iron core is placed in the square hole, the width of the square hole corresponds to that of the annular iron core, and the length of the square hole is smaller than the outer diameter of the annular iron core;
the clamping assemblies are arranged on two sides of the annular iron core and used for clamping the annular iron core from the side, and the bottom of each clamping assembly is fixedly connected with the supporting assembly;
the winding has primary winding and secondary winding on the annular iron core, the outside of insulating layer is equipped with the binding post that is used for connecting secondary winding, a connecting piece is respectively connected at the both ends of primary winding, through the connecting piece is connected by the measuring line, inside the insulating layer was pour to connecting piece one end, and the other end stretches out to the insulating layer outside.
Furthermore, the bottom of the reverse U-shaped steel is turned outwards to form a fixing plate, and the fixing plate extends out of the insulating layer and is used for mounting a current transformer.
Furthermore, the clamping assembly comprises two clamping plates formed by upwards turning two pieces of reversed U-shaped steel;
the middle position of the clamping plate protrudes towards the square hole direction to form a clamping part, a clamping piece is fixedly installed on the clamping part, and the annular iron core is clamped through the clamping piece.
Further, the clamping piece is a strip-shaped steel plate, and the strip-shaped steel plate is fixedly welded with the clamping part;
the length of the strip-shaped steel plate is smaller than the outer diameter of the annular iron core.
Further, the top of grip block turns over to the outside and forms the mounting panel, the top fixed mounting insulation board of mounting panel, the insulation board still corresponds and is equipped with the arc clamp plate, the arc clamp plate is insulating material, the connecting piece passes through arc clamp plate fixed mounting on the insulation board.
Furthermore, a wiring pipe is further arranged on one side wall of the inverted U-shaped steel and used for leading out a secondary winding;
the wire running pipe is a steel pipe, a round hole used for penetrating the steel pipe is formed in the side wall of the wire running pipe, and the wire running pipe is welded and fixed with the side wall.
Further, the insulating layer is an epoxy resin insulating layer.
Compared with the prior art, novel current transformer have following advantage:
(1) the novel current transformer can be used for placing the annular iron core and clamping the annular iron core from the side, so that the stability in the pouring process is improved, and the product quality rate is effectively improved; and supporting component and centre gripping subassembly adopt the monoblock steel sheet to pass through punching press, turn over the formation, not only stability is better, and manufacturing cost is also lower.
(2) Novel current transformer pour the shaping with primary winding and iron core an organic whole, a connecting piece is respectively connected at the both ends of primary winding, only need be connected by measuring circuit and connecting piece and just realized being measured switching on of circuit and primary winding, and then realize the measurement of electric current, need not to twine by measuring circuit and iron core, not only convenient operation has still improved work efficiency.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is an external overall structure diagram of the novel current transformer according to the embodiment of the present invention.
Fig. 2 is an internal structure diagram of the novel current transformer according to the embodiment of the present invention;
fig. 3 is a structural diagram of a supporting component and a clamping component according to an embodiment of the present invention.
Description of reference numerals:
1. reverse U-shaped steel; 11. a fixing plate; 12. a square hole; 13. a wiring pipe; 2. a clamping plate; 21. a clamping portion; 22. mounting a plate; 23. an insulating plate; 24. a strip-shaped steel plate; 25. an arc-shaped pressing plate; 3. a connecting member; 4. an annular iron core; 41. a primary winding; 42. a secondary winding; 5. an insulating layer.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 3, a novel current transformer includes an annular iron core 4, a supporting component for supporting the annular iron core 4, a clamping component for clamping and fixing the iron core, and an insulating layer 5 poured outside;
the supporting assembly comprises a reverse U-shaped steel 1, a square hole 12 is formed in the top of the reverse U-shaped steel 1, the annular iron core 4 is placed in the square hole 12, the width of the square hole 12 corresponds to that of the annular iron core 4, and the length of the square hole 12 is smaller than the outer diameter of the annular iron core 4;
the clamping assemblies are arranged on two sides of the annular iron core 4 and used for clamping the annular iron core 4 from the side, and the bottom of each clamping assembly is fixedly connected with the supporting assembly;
the winding has primary winding 41 and secondary winding 42 on annular iron core 4, the outside of insulating layer 5 is equipped with the binding post that is used for connecting secondary winding 42, connecting piece 3 is respectively connected at the both ends of primary winding 41, through connecting piece 3 connects the circuit of being surveyed, inside insulating layer 5 was pour to connecting piece 3 one end, and the other end stretches out to the insulating layer 5 outside.
The bottom of the reverse U-shaped steel 1 is turned outwards to form a fixing plate 11, and the fixing plate 11 extends out of the insulating layer 5 and is used for mounting a current transformer.
The clamping assembly comprises two clamping plates 2 formed by upwards turning two pieces of inverted U-shaped steel 1;
the middle position of the clamping plate 2 protrudes towards the square hole 12 to form a clamping part 21, a clamping piece is fixedly installed on the clamping part 21, and the annular iron core 4 is clamped through the clamping piece.
The clamping piece is a strip-shaped steel plate 24, and the strip-shaped steel plate 24 is fixedly welded with the clamping part 21;
the length of bar steel sheet 24 is less than annular iron core 4's external diameter, and the interval between the medial surface of both sides bar steel sheet 24 is less than annular iron core 4's width, through above-mentioned structure, makes annular iron core 4 and grip block 2 form the interference and is connected, the better fixed effect of centre gripping that plays.
The top of grip block 2 turns over to the outside and turns over and form mounting panel 22, the top fixed mounting insulation board 23 of mounting panel 22, insulation board 23 still corresponds and is equipped with arc clamp plate 25, arc clamp plate 25 is insulating material, connecting piece 3 passes through arc clamp plate 25 fixed mounting on insulation board 23.
A wiring pipe 13 is further arranged on one side wall of the inverted U-shaped steel 1 and used for leading out a secondary winding 42;
walk spool 13 and be the steel pipe, open on the lateral wall and be used for passing the round hole of steel pipe, walk spool 13 and lateral wall welded fastening.
The insulating layer 5 is not limited to the epoxy resin insulating layer 5, and other insulating materials may be used.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A novel current transformer is characterized in that: the iron core clamping device comprises an annular iron core, a supporting component for supporting the annular iron core, a clamping component for clamping and fixing the iron core, and an insulating layer poured on the outer side;
the supporting assembly comprises reverse U-shaped steel, a square hole is formed in the top of the reverse U-shaped steel, the annular iron core is placed in the square hole, the width of the square hole corresponds to that of the annular iron core, and the length of the square hole is smaller than the outer diameter of the annular iron core;
the clamping assemblies are arranged on two sides of the annular iron core and used for clamping the annular iron core from the side, and the bottom of each clamping assembly is fixedly connected with the supporting assembly;
the winding has primary winding and secondary winding on the annular iron core, the outside of insulating layer is equipped with the binding post that is used for connecting secondary winding, a connecting piece is respectively connected at the both ends of primary winding, through the connecting piece is connected by the measuring line, inside the insulating layer was pour to connecting piece one end, and the other end stretches out to the insulating layer outside.
2. The novel current transformer of claim 1, wherein: the bottom of the reverse U-shaped steel is turned outwards to form a fixing plate, and the fixing plate extends out of the insulating layer and is used for mounting a current transformer.
3. The novel current transformer of claim 1, wherein: the clamping assembly comprises two clamping plates formed by upwards turning two pieces of reverse U-shaped steel;
the middle position of the clamping plate protrudes towards the square hole direction to form a clamping part, a clamping piece is fixedly installed on the clamping part, and the annular iron core is clamped through the clamping piece.
4. The novel current transformer of claim 3, wherein: the clamping piece is a strip-shaped steel plate, and the strip-shaped steel plate is fixedly welded with the clamping part;
the length of the strip-shaped steel plate is smaller than the outer diameter of the annular iron core.
5. The novel current transformer of claim 3, wherein: the top of grip block turns over to the outside and turns over and forms the mounting panel, the top fixed mounting insulation board of mounting panel, the insulation board still corresponds and is equipped with the arc clamp plate, the arc clamp plate is insulating material, the connecting piece passes through arc clamp plate fixed mounting on the insulation board.
6. The novel current transformer of claim 1, wherein: a wiring pipe is further arranged on one side wall of the inverted U-shaped steel and used for leading out a secondary winding;
the wire running pipe is a steel pipe, a round hole used for penetrating the steel pipe is formed in the side wall of the wire running pipe, and the wire running pipe is welded and fixed with the side wall.
7. The novel current transformer of claim 1, wherein: the insulating layer is an epoxy resin insulating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020336194.3U CN211555672U (en) | 2020-03-17 | 2020-03-17 | Novel current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020336194.3U CN211555672U (en) | 2020-03-17 | 2020-03-17 | Novel current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211555672U true CN211555672U (en) | 2020-09-22 |
Family
ID=72495239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020336194.3U Expired - Fee Related CN211555672U (en) | 2020-03-17 | 2020-03-17 | Novel current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211555672U (en) |
-
2020
- 2020-03-17 CN CN202020336194.3U patent/CN211555672U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |