CN-224232446-U - Anti-direct current transformer with heat radiation structure

Abstract

The utility model relates to the technical field of magnetic cores, in particular to an anti-direct current transformer with a heat radiation structure, which comprises a transformer main body, wherein the front side of the transformer main body is fixedly connected with a plurality of pins, a plurality of heat radiation holes are formed in the outer part of each pin, pins are inserted into the inner parts of the pins, clamping grooves are formed in the left side and the right side of each pin, clamping blocks are clamped in the clamping grooves, the clamping blocks are connected in the inner parts of the pins in a sliding mode, two mounting grooves are formed in the inner parts of the pins, the pins are hollow in design, and the outer parts of the clamping blocks are provided with a plurality of heat radiation holes, so that probes of a PCB (printed circuit board) are inserted into the inner parts of the pins, the clamping blocks are used for clamping, the pins and the PCB are conveniently and stably mounted, heat generation is reduced, heat radiation is timely, the service life of the PCB is prolonged, and the use economy is high.

Inventors

• ZHANG HAO
• LIU PEISEN
• She Qiong
• PENG WENQIANG
• HU QIANG
• ZHANG XUQING
• XIAO SHUNLI

Assignees

• 嘉兴威士顿电子科技有限公司

Dates

Publication Date

20260512

Application Date

20250506

Claims (7)

1. 1. The utility model provides an anti direct current transformer with heat radiation structure, its characterized in that, including transformer main part (1), the front side fixedly connected with of transformer main part (1) a plurality of pins (2), a plurality of louvres (4) have been seted up to the outside of pin (2), peg graft in the inside of pin (2) has contact pin (3), draw-in groove (5) have all been seted up in the left and right sides of contact pin (3), the inside joint of draw-in groove (5) has fixture block (6), fixture block (6) sliding connection is in the inside of pin (2).
2. 2. The direct current transformer with the heat radiation structure according to claim 1, characterized in that two mounting grooves (7) are formed in the pin (2), one end of the clamping block (6) away from the clamping groove (5) is fixedly connected with a mounting sheet (8), the other end of the mounting sheet (8) is fixedly connected with a pull rope (9), one end of the pull rope (9) away from the mounting sheet (8) is fixedly connected with a winding rod (11), and an elastic piece (10) is sleeved outside the pull rope (9).
3. 3. The anti-direct current transformer with the heat radiation structure according to claim 2, characterized in that, two limiting blocks (12) are fixedly connected with outside of the winding rod (11), a standing groove (13) is formed in the top end of the pin (2), two slots (14) are formed in the standing groove (13), a placing block (15) is movably connected in the standing groove (13), a limiting groove (16) is formed in the placing block (15), a turntable (17) is fixedly connected with the top end of the limiting groove (16), and inserting blocks (18) are fixedly connected to two sides of the bottom end of the turntable (17).
4. 4. The direct current transformer with the heat radiation structure according to claim 2, wherein the clamping block (6) is slidably connected inside the mounting groove (7), the mounting piece (8) is slidably connected inside the mounting groove (7), and the pull rope (9) is slidably connected inside the mounting groove (7).
5. 5. The direct current transformer with the heat radiation structure according to claim 2, wherein one end of the elastic piece (10) is fixedly connected to the inner wall of the mounting groove (7), and the other end of the elastic piece (10) is fixedly connected to the mounting piece (8).
6. 6. A direct current transformer with a heat radiation structure according to claim 3, characterized in that the winding rod (11) is rotatably connected inside the top end of the placing groove (13), the winding rod (11) is slidably connected inside the limiting groove (16), and the limiting block (12) is slidably connected inside the limiting groove (16).
7. 7. A direct current transformer with a heat radiation structure according to claim 3, characterized in that the turntable (17) is slidingly connected inside the placing groove (13), and the plug block (18) is inserted inside the slot (14).

Description

Anti-direct current transformer with heat radiation structure Technical Field The utility model relates to the technical field of magnetic cores, in particular to an anti-direct current transformer with a heat dissipation structure. Background With the rapid development of power electronics technology, accurate metering of electric energy in an ac circuit containing a dc component has been widely appreciated by the electric energy meter industry. The high-precision direct-current component resistant current transformer which is developed and produced at present and resistant to the influence of the direct-current component is suitable for an electronic electric energy meter which needs to measure direct-current electricity, and can play a role in preventing electricity theft. Through retrieval, the prior art discloses a single-core anti-direct-current transformer, the patent publication number of which is CN211654511U, and the patent publication number is recorded in the specification, wherein the bottom end of the shell is isolated from the PCB by utilizing the isolating structure, so that a larger heat dissipation air layer is formed between the bottom end of the shell and the PCB, and the heat generated when the conductive pins are welded with the PCB is prevented from being transferred to the bottom end of the shell to cause the shell to be deformed by heating. In addition, the length of the conductive pins inserted into the PCB is fixed by the aid of the isolation structure. But when in actual use, the pin is connected with the PCB board generally in a welded mode, and then after the element on the PCB board is damaged, the mutual inductor can be detached from the PCB board, and then the pin on the mutual inductor can be welded with the PCB board again, and in case of cold welding, no effective connection is formed between the pin and the PCB board, and then the connection between the pin and the PCB board is unstable, and then the connection resistance is increased, so that the heat generation is increased, and the surrounding electronic element is subjected to thermal interference, the normal working performance of the electronic element is influenced, and even the element is damaged. Disclosure of utility model In order to overcome the defects in the prior art, the utility model provides the anti-direct current transformer with the heat dissipation structure, so that the problems that in the prior art, when the connection between a pin and a PCB is unstable, the connection resistance is increased, heat is increased, and the heat is generated are solved, so that the heat interference is caused to surrounding electronic elements, the normal working performance of the electronic elements is influenced, and even the elements are damaged are solved. In order to solve the technical problems, the utility model provides the technical scheme that the anti-direct current transformer with the heat radiation structure comprises a transformer main body, wherein the front side of the transformer main body is fixedly connected with a plurality of pins, a plurality of heat radiation holes are formed in the outer parts of the pins, pins are inserted into the pins, clamping grooves are formed in the left side and the right side of the pins, clamping blocks are clamped in the clamping grooves, and the clamping blocks are connected in the pins in a sliding mode. The novel clamping device comprises a pin, a clamping groove, a winding rod, a clamping piece, a winding rod, an elastic piece, a winding rod and a winding rod, wherein the two mounting grooves are formed in the pin, the clamping block is fixedly connected with the mounting piece at one end of the clamping groove, the other end of the mounting piece is fixedly connected with the winding rod, the winding rod is fixedly connected with the one end of the winding rod, far away from the mounting piece, of the clamping block, and the elastic piece is sleeved on the outer portion of the winding rod. The winding device comprises a winding rod, a winding block, a limiting block, a rotating disc, a plug block, a positioning block, a rotating disc and a plug block, wherein the winding rod is fixedly connected with the outer portion of the winding rod, the positioning block is fixedly connected with the outer portion of the winding rod, the positioning groove is formed in the top end of the pin, two slots are formed in the positioning groove, the positioning block is movably connected with the positioning block in the positioning groove, the limiting groove is formed in the positioning block, the rotating disc is fixedly connected with the top end of the limiting groove, and the plug block is fixedly connected with the two sides of the bottom end of the rotating disc. The clamping blocks are slidably connected in the mounting grooves, the mounting pieces are slidably connected in the mounting grooves, and the pull ropes are slidably connected in the mounting grooves. One e