CN218730218U

CN218730218U - Shell type mutual inductor mounting structure

Info

Publication number: CN218730218U
Application number: CN202222891088.3U
Authority: CN
Inventors: 杨君祥; 唐国明; 候祥玉
Original assignee: Sichuan Taike Apparatus Co ltd
Current assignee: Sichuan Taike Apparatus Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-03-24
Anticipated expiration: 2032-11-01

Abstract

The invention provides a shell type mutual inductor mounting structure, comprising: a gap (7) for accommodating a support (15) is arranged at the bottom of the shell type mutual inductor, and the support (15) is arranged in the gap (7); the support (15) is located inside the edge of the shell transformer; the support piece (15) is provided with a second mounting hole (14), the bottom of the shell type mutual inductor is provided with a first mounting hole (13), and the second mounting hole (14) is opposite to the first mounting hole (13) and used for being matched with a mounting piece (16) so that the shell type mutual inductor is fixed on a target device (12). The invention can save the occupied space of the shell type mutual inductor after being installed, and is beneficial to realizing the miniaturization of the installation of the shell type mutual inductor.

Description

Shell type mutual inductor mounting structure

Technical Field

The invention mainly relates to the technical field of mutual inductor installation, in particular to a shell type mutual inductor installation structure.

Background

The transformer is also called as instrument transformer, and is a general name of current transformer and voltage transformer, which can change high voltage into low voltage and large current into small current for measuring or protecting system. The transformer has the function of converting high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both of which are rated values) in proportion so as to realize standardization and miniaturization of measuring instruments, protection 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 shell type mutual inductor of the electric power system tends to be miniaturized more and more, particularly the drawer type shell type mutual inductor has smaller space, the size and the installation of the shell type mutual inductor are required to be miniaturized as much as possible, but the existing installation mode of the shell type mutual inductor cannot well meet the miniaturization requirement. The current shell type mutual inductor installation mode mainly has two kinds: as shown in fig. 3, in the first method, a bracket is inserted through a middle hole of the shell-type transformer, and then the shell-type transformer is supported on the bus bar by mounting screws; as shown in fig. 4, another installation mode is to pass a bracket through a slot at the lower part of the shell-type transformer, and install the shell-type transformer on the cabinet body by using installation screws at two output ends of the bracket. In these two kinds of mounting methods, the length of support all is greater than shell type mutual-inductor's width, and the support has taken unnecessary exterior space promptly, is unfavorable for realizing shell type mutual-inductor installation miniaturization.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a shell type mutual inductor mounting structure, which can save the occupied space after the shell type mutual inductor is mounted and is beneficial to realizing the mounting miniaturization of the shell type mutual inductor.

In order to solve the above technical problem, the present invention provides a case-type transformer mounting structure, including: a gap for accommodating a support piece is arranged at the bottom of the shell type mutual inductor, and the support piece is arranged in the gap; the support is located within an edge of the shell transformer; the support piece is provided with a second mounting hole, the bottom of the shell type mutual inductor is provided with a first mounting hole, and the second mounting hole is opposite to the first mounting hole and used for being matched with a mounting piece, so that the shell type mutual inductor is fixed on target equipment.

Furthermore, the supporting piece is an elongated supporting piece, the two second mounting holes are formed in the supporting piece, and the two first mounting holes are formed in the bottom of the shell type transformer.

Furthermore, the strip-shaped supporting pieces are two, and the two supporting pieces are respectively arranged on the left side and the right side of the bottom of the shell type mutual inductor.

Further, the first mounting hole is a bar hole.

Further, the second mounting hole is a bar hole.

Further, the mounting piece is a bolt.

Further, the target device is a cabinet body, and the cabinet body is provided with a matching hole matched with the first mounting hole and the second mounting hole.

Further, the supporting piece is a square supporting piece, and the length and the width of the supporting piece are respectively smaller than those of the bottom surface of the shell type mutual inductor.

Compared with the prior art, the invention has the following beneficial effects: the supporting piece is provided with a second mounting hole, the bottom of the shell type mutual inductor is provided with a first mounting hole, the second mounting hole is opposite to the first mounting hole in position, and then the mounting pieces are matched, so that the shell type mutual inductor is fixed on target equipment; because support piece is in within the edge of shell type mutual-inductor, can save the occupation space after the installation of shell type mutual-inductor, do benefit to and realize that shell type mutual-inductor installs the miniaturization.

Drawings

The accompanying drawings, which 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 principles of the invention. In the drawings:

FIG. 1 is a schematic view showing an external structure of a shell-type transformer according to the present invention;

FIG. 2 is a schematic view showing an internal structure of a shell-type transformer according to the present invention;

FIG. 3 is a schematic view of an installation of a prior art shell transformer;

FIG. 4 is a schematic view of another installation of a prior art shell transformer;

FIG. 5 is a schematic view showing the manner of mounting the shell transformer according to an embodiment of the present invention;

FIG. 6 is an exploded view of the mounting of an outer shell transformer in accordance with one embodiment of the present invention;

fig. 7 is a plan view showing an installation manner of the shell transformer according to an embodiment of the present invention.

In the figure: 1-a housing; 2-a coil; 3-a wiring terminal; 4-binding screws; 5-lead sealing; 6-lead sealing screw; 7-voids; 8-mounting screws; 9-an insulating disc; 10-a scaffold; 11-a busbar; 12-a target device; 13-a first mounting hole; 14-a second mounting hole; 15-a support; 16-mounting element.

Detailed Description

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only examples or embodiments of the invention, from which it is possible for a person skilled in the art, without inventive effort, to apply the invention also in other similar contexts. Unless otherwise apparent from the context, or otherwise indicated, like reference numbers in the figures refer to the same structure or operation.

As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Referring to fig. 1 to 2, the shell-type transformer generally includes a shell 1, a coil 2, a connection terminal 3, a terminal screw 4, a lead cover 5, and a lead cover screw 6. A coil 2 is arranged in a shell 1, the coil 2 is led to two wiring terminals 3 through leads, the wiring terminals 3 are used for being connected with the outside, and then the external connecting wires are compressed by adopting wiring screws 4. And a lead sealing cover 5 (for preventing electricity stealing) is arranged outside the wiring terminal 3, and the lead sealing cover 5 is locked by a lead sealing screw 6. In a common mounting manner of the shell-type transformer, the bracket 10 occupies an excessive external space, which is not favorable for realizing the miniaturization of the mounting of the shell-type transformer.

Referring to fig. 5 to 7, in the present embodiment, a gap 7 for accommodating a support 15 is provided at the bottom of the shell-type transformer, and the support 15 is provided in the gap 7, and the support 15 is located inside the edge of the shell-type transformer. The support member 15 has a second mounting hole 14, the bottom of the shell-type transformer has a first mounting hole 13, the second mounting hole 14 is opposite to the first mounting hole 13 and is used for matching with a mounting member 16, and the mounting member 16 can adopt a bolt so that the shell-type transformer is fixed on the target device 12. In this embodiment, a first mounting hole 13 is provided in a bottom surface of the shell-type transformer, and when the shell-type transformer is mounted, a mounting member 16 (e.g., a bolt) is inserted through a screw hole of the target device 12, the first mounting hole 13 of the shell-type transformer, and a second mounting hole 14 of the support member 15, so that the shell-type transformer can be fixed to the target device 12. This saves space for mounting the enclosure transformer, since the support 15 is located within the edge of the enclosure transformer.

In some embodiments, the support 15 is an elongated support 15, and the support 15 has two second mounting holes 14 and two first mounting holes 13 at the bottom of the shell-type transformer. Set up support piece 15 and be rectangular shape, can save support piece 15 consumed material, also can reduce shell type mutual-inductor simultaneously and be space 7 size, alleviate the structural damage to shell type mutual-inductor.

In some embodiments, the elongated support member 15 has two pieces, and the two support members 15 are respectively disposed on the left and right sides of the bottom of the enclosure-type transformer. In this structure, each of the supporting pieces 15 may be provided with two second mounting holes 14, and correspondingly, the first mounting hole 13 corresponding to each of the second mounting holes 14 is provided at a corresponding position on the bottom surface of the shell-type transformer. The arrangement of two elongated support members 15 can increase the mounting stability of the structure of this embodiment.

In some embodiments, the first mounting hole 13 is a bar hole, when the first mounting hole 13 is a bar hole, the second mounting hole 14 on the support 15 can be disposed at different positions, and the second mounting hole 14 has positional redundancy, which facilitates alignment or matching of the first mounting hole 13 and the second mounting hole 14, and thus facilitates mounting of the shell transformer. In an optimized mode, the second mounting hole 14 can also be a strip hole, so that after the first mounting hole 13 is aligned with the second mounting hole 14, the mounting piece 16 can fix the shell type mutual inductor at a proper position without inserting the mounting piece 16 strictly at a specific position and then fixing the shell type mutual inductor.

In some embodiments, the target device 12 is a cabinet having mating holes that mate with the first mounting hole 13 and the second mounting hole 14.

In some embodiments, the support member 15 is a square support member 15, and the length and width of the support member 15 are smaller than the length and width of the bottom surface of the shell transformer, respectively. By adopting the structure of the embodiment, the bearing area of the supporting piece 15 is increased, so that the installation of the shell type mutual inductor is firmer. At the same time, the second mounting hole 14 can be provided at a suitable position on the support member 15 (of course, the first mounting hole 13 can be modified accordingly), so that the mounting position of the mounting member 16 is more flexible.

According to the mounting structure of the shell type mutual inductor, the second mounting hole 14 is formed in the supporting piece 15, the first mounting hole 13 is formed in the bottom of the shell type mutual inductor, the second mounting hole 14 is opposite to the first mounting hole 13 and used for being matched with the mounting piece 16, so that the shell type mutual inductor is fixed on the target equipment 12, and the supporting piece 15 is located in the edge of the shell type mutual inductor, so that the occupied space of the shell type mutual inductor after being mounted can be saved, and the mounting miniaturization of the shell type mutual inductor is facilitated.

It will be apparent to those skilled in the art that the foregoing disclosure is intended to be illustrative, and is not to be construed as limiting the invention. Various modifications, improvements and adaptations of the present invention may occur to those skilled in the art, although not explicitly described herein. Such modifications, improvements and adaptations are proposed within the present invention and are intended to be within the spirit and scope of the exemplary embodiments of the present invention.

Although the present invention has been described with reference to the present specific embodiments, it will be appreciated by those skilled in the art that the above embodiments are merely illustrative of the present invention and various equivalent changes and substitutions may be made without departing from the spirit of the invention, and therefore, it is intended that all changes and modifications to the above embodiments, which fall within the true spirit of the invention, fall within the scope of the claims of the present invention.

Claims

1. A shell-type transformer mounting structure, comprising:

a gap (7) for accommodating a support (15) is arranged at the bottom of the shell transformer, and the support (15) is arranged in the gap (7); the support (15) is located within the edge of the shell transformer;

the support piece (15) is provided with a second mounting hole (14), the bottom of the shell type mutual inductor is provided with a first mounting hole (13), and the second mounting hole (14) is opposite to the first mounting hole (13) and used for being matched with a mounting piece (16) so that the shell type mutual inductor is fixed on a target device (12).

2. The enclosure type transformer mounting structure according to claim 1, wherein the support member (15) is an elongated support member (15), two of the second mounting holes (14) are provided on the support member (15), and two of the first mounting holes (13) are provided at the bottom of the enclosure type transformer.

3. The case-type transformer mounting structure according to claim 2, wherein the elongated support member (15) has two, and the two support members (15) are respectively provided on the left and right sides of the bottom of the case-type transformer.

4. The case-type transformer mounting structure according to claim 1, wherein the first mounting hole (13) is a bar hole.

5. The case transformer mounting structure according to claim 1 or 4, wherein the second mounting hole (14) is a bar hole.

6. The case transformer mounting structure according to claim 1, wherein the mounting pieces (16) are bolts.

7. The case transformer mounting structure according to claim 1, wherein the target device (12) is a cabinet having fitting holes on the cabinet that match the first mounting hole (13) and the second mounting hole (14).

8. The case transformer mounting structure according to claim 1, wherein the support member (15) is a square support member (15), and the length and width of the support member (15) are smaller than those of the bottom surface of the case transformer, respectively.