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CN-122025391-A - Through type current transformer and processing method

CN122025391ACN 122025391 ACN122025391 ACN 122025391ACN-122025391-A

Abstract

The invention provides a through type current transformer and a processing method thereof, wherein the through type current transformer comprises a base and a cover plate, a first opening is formed on the side face of the base, guide ribs are formed on the inner walls of two side plates adjacent to the first opening, the extending direction of the guide ribs is perpendicular to a bottom plate, a baffle plate extending towards the direction of the bottom plate is formed on one side of the cover plate, and the baffle plate is inserted into the first opening in a sliding manner along the guide ribs during assembly, so that the guide and positioning effects are achieved before the first convex column and the second convex column are inserted and in the inserting process.

Inventors

  • ZHANG XUESEN
  • MOU YUFENG
  • CHEN HONG
  • WANG ZHINENG
  • JIN ZHIFENG

Assignees

  • 德力西集团有限公司

Dates

Publication Date
20260512
Application Date
20260407

Claims (10)

  1. 1. The utility model provides a through-core current transformer, includes base (1) and apron (2), base (1) with the middle part of apron (2) is equipped with respectively and is connected and be hollow first projection (3) and second projection (4) to inserting, its characterized in that, base (1) include bottom plate (5), and locate perpendicularly installation extension board (6) and two curb plates (7) that set up relatively on bottom plate (5), two one side of curb plate (7) is for installation extension board (6), and the opposite side forms first opening (8), be equipped with between apron (2) with base (1) first projection (3) with guide structure when second projection (4) are to inserting, guide structure includes: The guide ribs (9) are formed on the inner walls of the two side plates (7) adjacent to the first openings (8), and the extending direction of the guide ribs (9) is perpendicular to the bottom plate (5); The baffle (10) is arranged on one side of the cover plate (2) and extends towards the direction of the bottom plate (5), the baffle (10) is inserted into the first opening (8) in a sliding manner along the guide convex ribs (9), and the baffle (10) and the two side plates (7) and the mounting support plate (6) are enclosed to form a containing cavity (11) for placing coils.
  2. 2. The through-the-hole current transformer according to claim 1, characterized in that the two sides of the baffle (10) are provided with flanges (12), the flanges (12) being slidably abutted against the first end face (13) corresponding to the side plate (7).
  3. 3. The through-hole current transformer according to claim 1 or 2, characterized in that the bottom plate (5) is formed with a first slot (14) into which the end of the baffle plate (10) remote from the cover plate (2) is inserted.
  4. 4. The through-core current transformer according to claim 1, characterized in that a side of the baffle (10) away from the accommodating cavity (11) is formed with a U-shaped flange (15) arranged around the edge thereof, a U-shaped groove (16) is formed by enclosing between the U-shaped flange (15) and the baffle (10), a second opening of the U-shaped groove (16) is arranged towards the bottom plate (5), and the edge of the label (17) is inserted into the U-shaped groove (16).
  5. 5. The through-core current transformer according to claim 4, characterized in that a stopper (18) is provided at the second opening edge of the U-shaped groove (16), and first protrusions (19) corresponding to and abutting against the stopper (18) are formed on both sides of the label (17).
  6. 6. The through-core current transformer according to claim 4, characterized in that the base plate (5) is formed with a second slot (20) into which the end of the sign (17) is inserted.
  7. 7. The through-core current transformer according to claim 1, characterized in that a reinforcing rib (21) is arranged between the baffle plate (10) and the bottom plate (5).
  8. 8. The through-core current transformer according to claim 1, characterized in that the depth of the cover plate (2) is smaller than the depth of the base (1), and that a mounting groove (23) for mounting a terminal (22) is formed in the cover plate (2), and that the terminal (22) is adapted to be connected to a coil lead.
  9. 9. The through-core current transformer according to claim 1, characterized in that an annular step (24) is formed on the inner wall of the first boss (3), and a second bump (25) which abuts against the annular step (24) is formed on the second boss (4).
  10. 10. A method of manufacturing a through-feed current transformer as claimed in any one of claims 1 to 9, comprising the steps of: s1, mounting a coil on a cover plate (2), and mounting two terminals (22) of the coil, which are connected with leads, on the cover plate (2); s2, pouring glue into the cover plate (2); s3, after the colloid is solidified, the label (17) is installed on the cover plate (2), and then the cover plate (2) is assembled with the base (1).

Description

Through type current transformer and processing method Technical Field The invention relates to the technical field of transformers, in particular to a through type current transformer and a processing method thereof. Background In addition, one side of the base is integrally formed with a mounting support plate used for being fixed with a metal plate, the mounting support plate is widely used for increasing the contact area with the metal plate in consideration of the mounting firmness and structural stability of the transformer, the depth of the base integrally formed with the mounting support plate is deepened, the bottom of the base is provided with a special groove for mounting two terminals of a coil, after the coil is placed into the base, a worker needs to manually and accurately press the two terminals into a bottom mounting groove in a narrow space, the operation space is limited, the mounting of the terminals is difficult, and the mounting quality and the production efficiency of a product are affected. Disclosure of Invention Therefore, the invention aims to overcome the defect of inconvenient installation in the prior art, thereby providing the through type current transformer and the processing method which are rapid and convenient to install. The invention provides a through type current transformer which comprises a base and a cover plate, wherein the middle parts of the base and the cover plate are respectively provided with a first convex column and a second convex column which are connected in an opposite way and are hollow, the base comprises a bottom plate, a mounting support plate and two opposite side plates, the mounting support plate is vertically arranged on the bottom plate, one side of each side plate is provided with a first opening, a guide structure for inserting the first convex column and the second convex column is arranged between the cover plate and the base, the guide structure comprises a guide convex rib, the guide convex rib is formed on the inner walls of the two side plates adjacent to the first opening, the extending direction of the guide convex rib is perpendicular to the bottom plate, a baffle plate is arranged on one side of the cover plate and extends towards the direction of the bottom plate, the baffle plate is inserted into the first opening in a sliding way along the guide convex rib, and the baffle plate, the two side plates and the mounting support plate are combined to form a containing cavity for placing coils. The baffle plate is characterized in that convex edges are arranged on two sides of the baffle plate and can slide against the first end face of the corresponding side plate. The bottom plate is provided with a first slot for inserting the end part of the baffle far away from the cover plate. The baffle is kept away from the one side shaping that holds the chamber has the U-shaped flange that sets up around its edge, the U-shaped flange with enclose between the baffle and close and form the U-shaped groove, the second opening orientation of U-shaped groove the bottom plate sets up, the edge that the U-shaped groove supplied the sign inserts. The second opening edge of the U-shaped groove is provided with a stop block, and first protruding blocks correspondingly propped against the stop block are formed on two sides of the label. The bottom plate is provided with a second slot for inserting the end part of the label. And reinforcing ribs are arranged between the baffle plate and the bottom plate. The depth of apron is less than the depth of base, the shaping has the mounting groove that is used for installing the terminal on the apron, the terminal is used for linking to each other with the coil lead wire. An annular step is formed on the inner wall of the first convex column, and a second convex block which is propped against the annular step is formed on the second convex column. A processing method for the through type current transformer comprises the following steps of S1, S2, glue filling in the cover plate, S3, after the glue is solidified, mounting a label on the cover plate, and then assembling the cover plate and a base. The technical scheme of the invention has the following advantages: 1. The invention provides a through type current transformer, wherein a first opening is formed on the side surface of a base, guide ribs are formed on the inner walls of two side plates adjacent to the first opening, the extending direction of the guide ribs is perpendicular to a bottom plate, a baffle plate extending towards the direction of the bottom plate is formed on one side of a cover plate, and the baffle plate is inserted into the first opening in a sliding manner along the guide ribs during assembly. 2. According to the through type current transformer provided by the invention, the convex edges are arranged on the two sides of the baffle, and slide against the first end face of the side plate, so that the structure plays a double role of lim