CN215451094U

CN215451094U - Integrated current transformer

Info

Publication number: CN215451094U
Application number: CN202120168312.9U
Authority: CN
Inventors: 申双喜; 陈坤
Original assignee: Shanghai Xikun Electronic Technology Co ltd
Current assignee: Shanghai Xikun Electronic Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2022-01-07
Anticipated expiration: 2031-01-21

Abstract

The utility model relates to the technical field of current transformers, and discloses a connected current transformer, which comprises a connected transformer, wherein the connected transformer consists of a first current mutual inductance unit, a second current mutual inductance unit and a third current mutual inductance unit, the upper part of the first current mutual inductance unit is fixedly connected with an input end, the bottom of the first current mutual inductance unit is fixedly connected with a first base, the upper part of the right side of the first current mutual inductance unit is fixedly connected with a first clamping block, the right sides of the first clamping block and the first base are respectively provided with a first clamping groove, the bottom of the right side of the first current mutual inductance unit is provided with a first connecting end, the novel scheme can add the current mutual inductance units of the connected transformer by increasing the number of the second current mutual inductance units, and can improve the functionality of the connected transformer by adding the current mutual inductance units, the auxiliary integrated mutual inductor can work better.

Description

Integrated current transformer

Technical Field

The utility model belongs to the technical field of current transformers, and particularly relates to a combined current transformer.

Background

The current transformer is an instrument for converting a large primary side current into a small secondary side current according to the electromagnetic induction principle to measure, and consists of a closed iron core and a winding, wherein the primary side winding has few turns and is connected in a circuit of the current to be measured in series.

The current transformer is a device capable of converting high alternating current into low current which is easy to control, and has the characteristics of excellent performance and stable precision.

Disclosure of Invention

In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a connected current transformer, which effectively solves the problems that the connected current transformer generally consists of a plurality of current transformer units, but the existing connected current transformer has single functionality, cannot effectively convert various high alternating currents, and cannot effectively improve the functionality of the connected current transformer.

In order to achieve the purpose, the utility model provides the following technical scheme: the integrated current transformer comprises an integrated transformer body, wherein the integrated transformer body is composed of a first current mutual inductance unit, a second current mutual inductance unit and a third current mutual inductance unit, the upper part of the first current mutual inductance unit is fixedly connected with an input end, the bottom of the first current mutual inductance unit is fixedly connected with a first base, the upper part of the right side of the first current mutual inductance unit is fixedly connected with a first clamping block, the right sides of the first clamping block and the first base are both provided with a first clamping groove, and the bottom of the right side of the first current mutual inductance unit is provided with a first connecting end;

the bottom of the second current mutual inductance unit is fixedly connected with a second base, the upper part of the left side of the second current mutual inductance unit and the left side of the second base are both provided with a first clamping mechanism, the bottom of the left side of the second current mutual inductance unit is provided with a first insertion end, the right side of the second current mutual inductance unit is fixedly connected with a second clamping block, the right sides of the second clamping block and the second base are both provided with a second clamping groove, and the bottom of the right side of the second current mutual inductance unit is provided with a second connection end;

the upper portion fixedly connected with output of third current mutual inductance unit, the bottom fixedly connected with third base of third current mutual inductance unit, the left upper portion of third current mutual inductance unit with the left side of third base all is provided with second clamping mechanism, the left bottom of third current mutual inductance unit sets up the second and inserts the end.

Preferably, the two sets of first clamping grooves are matched with the horizontal height of the first clamping mechanism, and the two sets of second clamping grooves are matched with the horizontal height of the second clamping mechanism.

Preferably, the input comprises first conductive bolt and first insulating nut, the lateral surface activity spiro union of first conductive bolt has first insulating nut, the output comprises second conductive bolt and second insulating nut, the lateral surface activity spiro union of second conductive bolt has second insulating nut.

Preferably, the first clamping mechanism comprises a first fixing block, first limiting grooves are formed in the upper side and the lower side of the first fixing block, two groups of first buffering springs are fixedly connected inside the first limiting grooves, and the other ends of the two groups of first buffering springs are fixedly connected with a first action block.

Preferably, the second clamping mechanism comprises a second fixed block, second limit grooves are formed in the upper side and the lower side of the second fixed block, a second buffer spring is fixedly connected inside the second limit grooves, and the other end of the second buffer spring is fixedly connected with a second action block.

Preferably, the left side of first base evenly is provided with first bolt hole, the right side of third base evenly is provided with the second bolt hole.

Compared with the prior art, the utility model has the beneficial effects that:

1. the first current mutual inductance unit is clamped with the second current mutual inductance unit, and the second current mutual inductance unit is clamped with the third current mutual inductance unit to form a connected mutual inductor;

2. the current mutual induction units of the integrated mutual inductor can be added by increasing the number of the second current mutual induction units, the functionality of the integrated mutual inductor can be improved by adding the current mutual induction units, and the integrated mutual inductor can be assisted to work better;

3. through being provided with first bolt hole and second bolt hole, can be better to the better work of fixing that carries on of first base and third base, can be better to the better work of fixing that carries on of integral type mutual-inductor.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a first current transformer unit according to the present invention;

FIG. 3 is a schematic structural diagram of a second current transformer unit according to the present invention;

fig. 4 is a schematic structural diagram of a third current transformer unit according to the present invention.

In the figure: 10. a conjoined mutual inductor; 100. a first current transformer unit; 110. an input end; 111. a first conductive bolt; 112. a first insulating nut; 120. a first base; 121. a first bolt hole; 130. a first clamping block; 140. a first clamping groove; 150. a first connection end; 200. a second current transformer unit; 210. a second base; 220. a first clamping mechanism; 221. a first fixed block; 222. a first limit groove; 223. a first buffer spring; 224. a first action block; 230. a first insertion end; 240. a second clamping block; 250. a second clamping groove; 260. a second connection end; 300. a third current transformer unit; 310. an output end; 311. a second conductive bolt; 312. a second insulating nut; 320. a third base; 321. a second bolt hole; 330. a second clamping mechanism; 331. a second fixed block; 332. a second limit groove; 333. a second buffer spring; 334. a second action block; 340. a second insertion end.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In a first embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, the integrated current transformer of the present invention includes an integrated transformer 10, the integrated transformer 10 is composed of a first current transformer unit 100, a second current transformer unit 200, and a third current transformer unit 300, an input end 110 is fixedly connected to an upper portion of the first current transformer unit 100, a first base 120 is fixedly connected to a bottom portion of the first current transformer unit 100, a first clamping block 130 is fixedly connected to an upper portion of a right side of the first current transformer unit 100, a first clamping groove 140 is formed on right sides of the first clamping block 130 and the first base 120, and a first connection end 150 is formed on a bottom portion of a right side of the first current transformer unit 100;

the bottom of the second current transformer unit 200 is fixedly connected with a second base 210, the upper part of the left side of the second current transformer unit 200 and the left side of the second base 210 are both provided with a first clamping mechanism 220, the bottom of the left side of the second current transformer unit 200 is provided with a first insertion end 230, the right side of the second current transformer unit 200 is fixedly connected with a second clamping block 240, the second clamping block 240 and the right side of the second base 210 are both provided with a second clamping groove 250, and the bottom of the right side of the second current transformer unit 200 is provided with a second connection end 260;

the upper portion of the third current transformer unit 300 is fixedly connected with an output end 310, the bottom of the third current transformer unit 300 is fixedly connected with a third base 320, the left upper portion of the third current transformer unit 300 and the left side of the third base 320 are both provided with a second clamping mechanism 330, and the left bottom of the third current transformer unit 300 is provided with a second insertion end 340.

In the second embodiment, as shown in fig. 1, the two sets of first clamping grooves 140 are matched with the horizontal height of the first clamping mechanism 220, the two sets of second clamping grooves 250 are matched with the horizontal height of the second clamping mechanism 330, so that the two sets of first clamping mechanisms 220 can be better clamped with the two sets of first clamping grooves 140, the first current transformer unit 100 can be better clamped with the second current transformer unit 200, and the two sets of second clamping grooves 250 are clamped with the two sets of second clamping mechanisms 330, so that the second current transformer unit 200 is clamped with the third current transformer unit 300.

In the third embodiment, as shown in fig. 1, the input end 110 is composed of a first conductive bolt 111 and a first insulating nut 112, the first insulating nut 112 is movably screwed on the outer side surface of the first conductive bolt 111, the output end 310 is composed of a second conductive bolt 311 and a second insulating nut 312, the second insulating nut 312 is movably screwed on the outer side surface of the second conductive bolt 311, the position of the lead can be better fixed and prevented from shifting by arranging the first conductive bolt 111 and the first insulating nut 112, and the position of the lead can be better fixed and prevented from shifting by arranging the second conductive bolt 311 and the second insulating nut 312.

Fourth embodiment, as shown in fig. 3, the first clamping mechanism 220 includes a first fixing block 221, first limiting grooves 222 are disposed on both upper and lower sides of the first fixing block 221, two sets of first limiting grooves 222 are fixedly connected with first buffer springs 223 inside, two sets of first buffer springs 223 are fixedly connected with first action blocks 224 at the other ends, clamping operation can be performed by providing two sets of first action blocks 224, and by providing two sets of first buffer springs 223, the first action blocks 224 can be supported and buffered, the first action blocks 224 can be assisted to perform reset operation better, by providing the first limiting grooves 222, the first buffer springs 223 can be prevented from deforming when being extended and retracted, and by providing the first fixing block 221, insertion operation can be performed better.

In the fifth embodiment, given by 3, the second clamping mechanism 330 includes a second fixing block 331, second limit grooves 332 have been respectively disposed on the upper and lower sides of the second fixing block 331, two sets of second limit grooves 332 are fixedly connected with second buffer springs 333, two sets of second buffer springs 333 are fixedly connected with second action blocks 334 at the other ends, and by providing two sets of second buffer springs 333, the second action blocks 334 can be supported and buffered, the second action blocks 334 are assisted to perform better reset operation, by providing the second limit grooves 332, the second buffer springs 333 can be prevented from deforming when being extended and retracted, and by providing the second fixing block 331, the insertion operation can be performed better.

Sixth embodiment, given by fig. 1, the left side of first base 120 evenly is provided with first bolt hole 121, and the right side of third base 320 evenly is provided with second bolt hole 321, through being provided with first bolt hole 121 and second bolt hole 321, can be better to the better work of fixing of carrying on of first base 120 and third base 320, can be better to the better work of fixing of carrying on of integrated mutual-inductor 10.

The working principle is as follows: by inserting two sets of first clamping mechanisms 220 into the two sets of first clamping grooves 140, the position of the upper first clamping groove 140 can be limited by arranging the first clamping block 130, so that the two sets of first clamping grooves 140 are flush, the first connecting end 150 is inserted into the first inserting end 230, so that the first current transformer unit 100 and the first base 120 are clamped with the second current transformer unit 200 and the second base 210, by inserting two sets of second clamping mechanisms 330 into the two sets of second clamping grooves 250, the position of the upper second clamping groove 250 can be limited by arranging the second clamping block 240, the second connecting end 260 is inserted into the second inserting end 340, by connecting a wire with the input end 110, the wire is connected with the output end 310, so that current can be introduced from the wire, the integrated transformer 10 is carried out, and the current is converted into a secondary side small current for measurement work, the accessible increases the quantity of second current transformer unit 200, adds the current transformer unit of integral type mutual-inductor 10, and the accessible improves the functionality of integral type mutual-inductor 10 to the addition of current transformer unit, assists the better work that carries on of integral type mutual-inductor 10.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An integrated current transformer, characterized in that: the integrated mutual inductor comprises an integrated mutual inductor (10), wherein the integrated mutual inductor (10) consists of a first current mutual inductor unit (100), a second current mutual inductor unit (200) and a third current mutual inductor unit (300), the upper part of the first current mutual inductor unit (100) is fixedly connected with an input end (110), the bottom of the first current mutual inductor unit (100) is fixedly connected with a first base (120), the upper part of the right side of the first current mutual inductor unit (100) is fixedly connected with a first clamping block (130), the right sides of the first clamping block (130) and the first base (120) are both provided with first clamping grooves (140), and the bottom of the right side of the first current mutual inductor unit (100) is provided with a first connecting end (150);

the bottom of the second current mutual inductance unit (200) is fixedly connected with a second base (210), the upper part of the left side of the second current mutual inductance unit (200) and the left side of the second base (210) are respectively provided with a first clamping mechanism (220), the bottom of the left side of the second current mutual inductance unit (200) is provided with a first insertion end (230), the right side of the second current mutual inductance unit (200) is fixedly connected with a second clamping block (240), the right sides of the second clamping block (240) and the second base (210) are respectively provided with a second clamping groove (250), and the bottom of the right side of the second current mutual inductance unit (200) is provided with a second connection end (260);

the upper portion fixedly connected with output (310) of third electric current mutual inductance unit (300), the bottom fixedly connected with third base (320) of third electric current mutual inductance unit (300), the left upper portion of third electric current mutual inductance unit (300) with the left side of third base (320) all is provided with second clamping mechanism (330), the left bottom of third electric current mutual inductance unit (300) sets up the second and inserts end (340).

2. The integrated current transformer of claim 1, wherein: the two sets of first joint grooves (140) are matched with the horizontal height of a first clamping mechanism (220), and the two sets of second joint grooves (250) are matched with the horizontal height of a second clamping mechanism (330).

3. The integrated current transformer of claim 1, wherein: the input (110) comprises first conductive bolt (111) and first insulating nut (112), the movable spiro union of lateral surface of first conductive bolt (111) has first insulating nut (112), output (310) comprises second conductive bolt (311) and second insulating nut (312), the movable spiro union of lateral surface of second conductive bolt (311) has second insulating nut (312).

4. The integrated current transformer of claim 1, wherein: the first clamping mechanism (220) comprises a first fixing block (221), wherein first limiting grooves (222) are formed in the upper side and the lower side of the first fixing block (221), the first limiting grooves (222) are formed in two groups, a first buffering spring (223) is fixedly connected to the inner portion of each first limiting groove (222), and a first action block (224) is fixedly connected to the other end of each first buffering spring (223).

5. The integrated current transformer of claim 1, wherein: the second clamping mechanism (330) comprises a second fixing block (331), second limit grooves (332) are formed in the upper side and the lower side of the second fixing block (331), the second limit grooves (332) are formed in two groups, a second buffer spring (333) is fixedly connected to the inner portion of each second limit groove (332), and a second action block (334) is fixedly connected to the other end of each second buffer spring (333).

6. The integrated current transformer of claim 1, wherein: the left side of first base (120) evenly is provided with first bolt hole (121), the right side of third base (320) evenly is provided with second bolt hole (321).