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CN-224232461-U - Transformer

CN224232461UCN 224232461 UCN224232461 UCN 224232461UCN-224232461-U

Abstract

The application discloses a transformer, which relates to the technical field of transformers and comprises an iron core, a low-voltage coil, a first conductive piece, a second conductive piece and a plurality of clamping pieces, wherein the first conductive piece is electrically connected with the low-voltage coil, the second conductive piece is electrically connected with the low-voltage coil and extends in the same direction in parallel with the first conductive piece, the plurality of clamping pieces clamp the iron core, the plurality of clamping pieces comprise the first clamping pieces, the first conductive piece and the second conductive piece are clamped between the iron core and the first clamping pieces, and the iron core, the second conductive piece, the first conductive piece and adjacent two of the first clamping pieces are mutually insulated. According to the technical scheme, the first conductive piece and the second conductive piece which extend in the same direction in parallel are clamped between the iron core and the first clamping piece, so that the distance between the first conductive piece and the second conductive piece is greatly reduced, and the eddy current loss of the first clamping piece is effectively reduced.

Inventors

  • WANG LONGYANG
  • KONG FANWU

Assignees

  • 合肥阳光电气设备有限公司

Dates

Publication Date
20260512
Application Date
20250408

Claims (10)

  1. 1. A transformer (10), characterized by comprising: a core (100) and a low-voltage coil (200); a first conductive member (300) electrically connected to the low voltage coil (200); A second conductive member (400) electrically connected to the low voltage coil (200) and extending in parallel and in the same direction as the first conductive member (300); A plurality of clamping members (500) clamping the iron core (100), wherein the clamping members (500) comprise a first clamping member (510), and the first conductive member (300) and the second conductive member (400) are clamped between the iron core (100) and the first clamping member (510); The iron core (100), the second conductive member (400), the first conductive member (300) and the first clamping member (510) are insulated from each other.
  2. 2. The transformer (10) of claim 1, wherein the first conductive member (300) includes a first conductive segment (310) and a second conductive segment (320) connected, the second conductive member (400) includes a third conductive segment (410) and a fourth conductive segment (420) connected, the first conductive member (300) is electrically connected to the low voltage coil (200) through the first conductive segment (310), the second conductive member (400) is electrically connected to the low voltage coil (200) through the third conductive segment (410), the second conductive segment (320) and the fourth conductive segment (420) are clamped between the core (100) and the first clamping member (510), and a spacing between the first conductive segment (310) and the third conductive segment (410) is greater than a spacing between the second conductive segment (320) and the fourth conductive segment (420).
  3. 3. The transformer (10) of claim 2, wherein the second conductive segment (320) and the fourth conductive segment (420) are aligned with a midline of their projections in a length direction.
  4. 4. The transformer (10) of claim 2, wherein at least the second conductive segment (320) is protruding toward the core (100).
  5. 5. The transformer (10) of claim 4, wherein the fourth conductive segment (420) extends in a straight line, the second conductive segment (320) is bent to form a receiving slot (321) open away from the fourth conductive segment (420), and the first clamping member (510) is received in the receiving slot (321).
  6. 6. The transformer (10) of claim 2, wherein an insulator (600) is sandwiched between the first clamp (510) and the second conductive segment (320), between the second conductive segment (320) and the fourth conductive segment (420), and between the fourth conductive segment (420) and the core (100).
  7. 7. The transformer (10) of claim 6, wherein the insulator (600) is configured as insulating paper.
  8. 8. The transformer (10) of claim 2, wherein the first conductive member (300) and/or the second conductive member (400) are configured as copper bars.
  9. 9. The transformer (10) of claim 2, wherein the second conductive segment (320) and the fourth conductive segment (420) are disposed near a top or bottom of the transformer (10).
  10. 10. The transformer (10) of claim 1, wherein the first conductive member (300) is connected to a current input of the low voltage coil (200) and the second conductive member (400) is connected to a current output of the low voltage coil (200).

Description

Transformer Technical Field The application relates to the technical field of transformers, in particular to a transformer. Background The clamping piece of the transformer is used as a supporting component of the transformer iron core, forms a frame structure with the screw rod and the pad foot, and plays a role in supporting the iron core and the coil. The lead-out copper bars used for connecting the low-voltage coil inlet and outlet wires can generate an induction magnetic field around, the clamping piece is positioned near the lead-out copper bars, and the induction magnetic field generates eddy currents on the clamping piece, so that loss is caused. Disclosure of utility model The application mainly aims to provide a transformer, which aims to reduce eddy current loss of a first clamping piece of the transformer. In order to achieve the above object, the present application provides a transformer, comprising: An iron core, a low-voltage coil; a first conductive member electrically connected to the low voltage coil; the second conductive piece is electrically connected with the low-voltage coil and extends in parallel and in the same direction with the first conductive piece; The clamping pieces clamp the iron core, the clamping pieces comprise first clamping pieces, and the first conductive pieces and the second conductive pieces are clamped between the iron core and the first clamping pieces; The iron core, the second conductive piece, the first conductive piece and adjacent two of the first clamping pieces are mutually insulated. In an embodiment, the first conductive member includes a first conductive segment and a second conductive segment that are connected, the second conductive member includes a third conductive segment and a fourth conductive segment that are connected, the first conductive member is electrically connected to the low voltage coil through the first conductive segment, the second conductive member is electrically connected to the low voltage coil through the third conductive segment, the second conductive segment and the fourth conductive segment are clamped between the iron core and the first clamping member, and a distance between the first conductive segment and the third conductive segment is greater than a distance between the second conductive segment and the fourth conductive segment. In one embodiment, the second conductive segment and the fourth conductive segment are aligned with a midline of their projections along their length. In one embodiment, at least the second conductive segment protrudes toward the core. In an embodiment, the fourth conductive segment extends in a straight line, the second conductive segment is bent to form a containing groove with an opening facing away from the fourth conductive segment, and the first clamping piece is contained in the containing groove. In an embodiment, insulating members are respectively sandwiched between the first clamping member and the second conductive section, and between the second conductive section and the fourth conductive section, and between the fourth conductive section and the iron core. In one embodiment, the insulating member is configured as insulating paper. In an embodiment, the first conductive element and/or the second conductive element is configured as a copper bar. In one embodiment, the second conductive segment and the fourth conductive segment are disposed near a top or bottom of the transformer. In one embodiment, the first conductive member is connected to the current input end of the low voltage coil, and the second conductive member is connected to the current output end of the low voltage coil. According to the technical scheme, the first conductive piece and the second conductive piece which extend in the same direction in parallel are clamped between the iron core and the first clamping piece, so that the distance between the first conductive piece and the second conductive piece is greatly reduced, the magnetic fields generated by the first conductive piece and the second conductive piece near the first clamping piece can be counteracted, the eddy current loss of the first clamping piece can be effectively reduced, and further the energy consumption of the transformer can be reduced. Drawings In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art. Fig. 1 is a schematic structural diagram of an embodiment of a transformer according to the present application; fig. 2 is a front view of the clamping member clamping the first conductive member and the seco