CN218038830U

CN218038830U - Novel combined mutual inductor wire holder

Info

Publication number: CN218038830U
Application number: CN202221286162.2U
Authority: CN
Inventors: 赵新; 曾勇
Original assignee: Chengdu Chenghu Electric Co ltd
Current assignee: Chengdu Chenghu Electric Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2022-12-13
Anticipated expiration: 2032-09-29

Abstract

The utility model relates to a mutual-inductor connection terminal technical field, and disclose a novel combination mutual-inductor connection terminal, including terminal box body, voltage transformer be qualified for the next round of competitions, current transformer be qualified for the next round of competitions, set screw, anti falling screw, staple bolt hole, cable groove, copper wire column, its characterized in that; the utility model discloses a copper post, including terminal box body, set screw, voltage transformer, current transformer, wiring mode structure, the terminal box body is opened there is copper post pre-installation hole, set screw is fixed with copper post and terminal box body, voltage transformer is qualified for the next round of competitions, current transformer is qualified for the next round of competitions the crimping and imbeds this device in the lump when copper post makes combination mutual-inductor, this novel scheme can all independently encapsulate in the terminal box each terminal, and each has independent wire outlet, adopts the screw crimping, adopts anti falling screw structure to wiring mode structure, not only is superior to original wiring in the crimping when connecing combination mutual-inductor, and installation, use, maintenance are convenient very much moreover.

Description

Novel combined mutual inductor wire holder

Technical Field

The utility model belongs to the technical field of the mutual-inductor connection terminal, specifically be a novel combination mutual-inductor connection terminal.

Background

The mutual inductor is also called instrument transformer, and is a general name of current mutual inductor and voltage mutual inductor. The function of the measuring or protecting system is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referred to as rated values) in proportion, so as to realize standardization and miniaturization of measuring instruments, protecting equipment and automatic control equipment. Meanwhile, the mutual inductor can be used for isolating a high-voltage system so as to ensure the safety of people and equipment.

The existing combined transformer has small volume compression.

Because there are two major disadvantages:

1. the distance between the voltage terminals is compact, and the surface creepage distance is not enough under different use environment conditions, so that interphase discharge is easy to occur;

2. the installation is inconvenient, because most lines all adopt BV line, the manual molding structure, the dismouting is troublesome and takes time, the luo bolt is lost when the wiring moreover easily, the winding displacement is in disorder for when this kind of wiring mode installation mutual-inductor wiring of field usage, the ageing can not get the assurance, and the wiring installation, very inconvenient, for this reason, we have provided a neotype combination mutual-inductor connection terminal.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a novel combined transformer wire holder, the effectual voltage terminal that has solved is apart from compact, under the service environment condition of difference, and surface creepage distance is not enough, easily appears interphase discharge and installs inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: a novel combined transformer wire holder comprises a junction box body, a voltage transformer outgoing line, a current transformer outgoing line, a fixing screw, an anti-falling screw, a hoop bolt hole, a cable groove and a copper wire column, and is characterized in that the junction box body is provided with a plurality of through holes; the junction box body is provided with a copper wire column preassembling hole, the copper wire column and the junction box body are fixed by the fixing screw, and the voltage transformer outlet wire and the current transformer outlet wire are pressed and connected in the copper wire column to be embedded into the device when the combined transformer is manufactured.

Preferably, the voltage transformer outgoing line and the current transformer outgoing line are arranged in a straight line and are not interfered with each other, the copper wire column and the copper wire column are in an insulation structure of the junction box body, and a lower incoming line structure is adopted during wiring.

Preferably, the hoop bolt holes are formed in the bottom of the junction box body, and the cable grooves are formed in the viewing sides of the two groups of hoop bolt holes.

Preferably, the pre-installation holes of the copper wire column are provided with screw connection pieces, and the fixing screws are screwed in the screw connection pieces.

Preferably, the upper part of the junction box body is provided with an action groove, and the outgoing line of the voltage transformer and the outgoing line of the current transformer are embedded in the action groove.

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

1. the anti-falling screw rotates, when the anti-falling screw rotates, the anti-falling screw can compact the wiring of the cable, and the wiring of the cable is prevented from falling off;

2. through voltage transformer outgoing line, current transformer outgoing line pressure on the upper portion of copper wire post, separately fixed work is carried out to voltage transformer outgoing line, current transformer outgoing line, separately encapsulates in the inside of terminal box body every group voltage transformer outgoing line, current transformer outgoing line for every group voltage transformer outgoing line, current transformer outgoing line mutual noninterference, thereby avoid voltage transformer outgoing line, current transformer outgoing line distance closely produce and ally oneself with the electric phenomenon.

Drawings

The accompanying drawings 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 and not to limit the invention.

In the drawings:

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

fig. 2 is the schematic diagram of the cable groove structure of the present invention.

In the figure: 1. a junction box body; 2. leading out a line of the voltage transformer; 3. leading out wires of the current transformer; 4. a set screw; 5. the screw is prevented from falling; 6. a hoop bolt hole; 7. a cable groove; 8. copper wire posts.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-2, a novel combined transformer wire holder comprises a junction box body 1, a voltage transformer outlet wire 2, a current transformer outlet wire 3, a fixing screw 4, a falling-preventing screw 5, a hoop bolt hole 6, a cable groove 7 and a copper wire column 8, wherein the junction box body 1 is provided with a copper wire column 8 preassembly hole, the fixing screw 4 fixes the copper wire column 8 and the junction box body 1, the voltage transformer outlet wire 2 and the current transformer outlet wire 3 are pressed and connected on the copper wire column 8 to be embedded into the device when the combined transformer is manufactured, the voltage transformer outlet wire 2 and the current transformer outlet wire 3 are arranged in a straight line and are not interfered with each other, the copper wire column 8 and the copper wire column 8 are insulated by the junction box body 1, a lower wire inlet structure is adopted during wire connection, the voltage transformer outlet wire 2 and the current transformer outlet wire 3 are arranged in a straight line and are not interfered with each other, the series connection phenomenon between a voltage transformer outgoing line 2 and a current transformer outgoing line 3 can be effectively avoided, the series connection phenomenon can be generated between a copper wire column 8 and the copper wire column 8 through a junction box body 1 of an insulation mechanism, when the device is used, the copper wire column 8 is embedded into a pre-installation hole of the copper wire column 8, a fixing screw 4 is rotated, the position of the copper wire column 8 is screwed and fixed through the fixing screw 4, the copper wire column 8 is assisted to be better installed, the voltage transformer outgoing line 2 and the current transformer outgoing line 3 are pressed on the upper part of the copper wire column 8, the voltage transformer outgoing line 2 and the current transformer outgoing line 3 are separately fixed, each group of the voltage transformer outgoing line 2 and the current transformer outgoing line 3 are separately packaged in the junction box body 1, and each group of the voltage transformer outgoing line 2 and the current transformer outgoing line 3 are not interfered with each other, thereby avoiding the phenomenon of power connection caused by the close distance between the outgoing line 2 of the voltage transformer and the outgoing line 3 of the current transformer, fixing the anchor ear by placing the cable in the cable groove 7, placing the anchor ear at the bottom of the junction box body 1 and performing the screw connection work on the anchor ear by using the screw to screw the anchor ear in the anchor ear bolt hole 6, thereby performing the installation work on the cable, fixing the position of the cable, inserting the wiring of the cable into the copper wire column 8, rotating the anti-falling screw 5 by rotating, compacting the wiring of the cable when the anti-falling screw 5 rotates, avoiding the wiring of the cable from falling off, wherein the anchor ear bolt hole 6 is arranged at the bottom of the junction box body 1, the cable groove 7 is arranged at the viewing side of the two groups of anchor ear bolt holes 6, can make the staple bolt better install work through above-mentioned structure, make the staple bolt better carry out fixing work to the cable of cable groove 7 inside, all be provided with the spiro union piece in the 8 pre-installation holes of copper wire post, set screw 4 spiro union is in the spiro union piece, through being provided with the spiro union piece, can be better carry out fastening work to set screw 4, better carry out fixing work to the position of copper wire post 8 through set screw 4, the effect groove has been seted up on 1 upper portion of terminal box body, voltage transformer is qualified for the next round of competitions 2, current transformer is qualified for the next round of competitions 3 and is embedded in the effect groove, the effect groove of seting up on 1 upper portion of terminal box body, supplementary voltage transformer is qualified for the next round of competitions 2, current transformer is qualified for the next round of competitions 3 better independent wire hole of going on of going out, make voltage transformer be qualified for the next round of competitions 2, current transformer is qualified for the next round of competitions 3 better installation and is qualified for the next round of competitions.

The working principle is as follows: the device is when using, through the inside to copper post 8 embedding copper post 8 pre-installation hole, rotate through rotating set screw 4, carry out spiro union fixing work to copper post 8's position through set screw 4, supplementary copper post 8 is better installs the work, 2 through voltage transformer outgoing line, current transformer outgoing line 3 presses on copper post 8's upper portion, 2 to voltage transformer outgoing line, current transformer outgoing line 3 separately fixes the work, 2 every group voltage transformer outgoing line, current transformer outgoing line 3 separately encapsulates in the inside of terminal box body 1, make every group voltage transformer outgoing line 2, current transformer outgoing line 3 mutual noninterference, thereby avoid voltage transformer outgoing line 2, current transformer outgoing line 3 is the relatively close allies oneself with the electric phenomenon that produces, and through placing the cable conductor in the inside of cable groove 7, through placing the bottom of terminal box body 1 to the staple bolt, carry out spiro union work to the staple bolt through using the screw, make the spiro union screw in the inside of staple bolt hole 6, thereby carry out fixing work to the staple bolt, thereby carry out installation work to the cable, make the position of inserting the cable post, make the inside of cable insert the crimp connection post 8 carry out the spiro union screw work through preventing the screw from rotating the screw and prevent the screw from rotating the screw and from dropping off, it can prevent the terminal to rotate the terminal to prevent the terminal from rotating the independent joint screw and sealing off when the terminal from the terminal and adopting the independent wiring structure, it drops to maintain the independent wiring structure, it can drop to rotate the terminal to prevent to drop in the terminal to rotate the terminal to drop.

It should be noted that, in this document, relational terms such as second and third, and the like are 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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel combined transformer wire holder comprises a junction box body (1), a voltage transformer outlet wire (2), a current transformer outlet wire (3), a fixing screw (4), an anti-falling screw (5), a hoop bolt hole (6), a cable groove (7) and a copper wire column (8), and is characterized in that; the junction box comprises a junction box body (1), a copper wire column (8) and a fixing screw (4), wherein the junction box body (1) is provided with a pre-installation hole for the copper wire column (8), the copper wire column (8) and the junction box body (1) are fixed by the fixing screw (4), and a voltage transformer outgoing line (2) and a current transformer outgoing line (3) are pressed and embedded into the device together when the copper wire column (8) is used for manufacturing a combined transformer.

2. The novel combined transformer wire holder according to claim 1, characterized in that: the voltage transformer outgoing line (2) and the current transformer outgoing line (3) are arranged in a straight line and do not interfere with each other, the copper wire column (8) and the copper wire column (8) are in an insulating structure with the junction box body (1), and a lower incoming line structure is adopted during wiring.

3. The novel combined transformer wire holder as claimed in claim 2, wherein: the anchor ear bolt holes (6) are formed in the bottom of the junction box body (1), and the cable grooves (7) are formed in the viewing sides of the two groups of anchor ear bolt holes (6).

4. The novel combined transformer wire holder according to claim 3, characterized in that: and the pre-installation holes of the copper wire columns (8) are internally provided with screw connection pieces, and the fixing screws (4) are in screw connection with the screw connection pieces.

5. The novel connection base for the combined transformer as claimed in claim 4, wherein: an action groove is formed in the upper portion of the junction box body (1), and the voltage transformer outgoing line (2) and the current transformer outgoing line (3) are embedded in the action groove.