CN215527454U

CN215527454U - High-integration double-output current transformer for 5G server power supply

Info

Publication number: CN215527454U
Application number: CN202121858154.6U
Authority: CN
Inventors: 蔡远林; 王小云
Original assignee: Chengdu Jinzhichuan Electronic Co ltd
Current assignee: Chengdu Jinzhichuan Electronic Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2022-01-14
Anticipated expiration: 2031-08-10

Abstract

A high-integration double-output current transformer for a 5G server power supply relates to the technical field of current transformers, and adopts the technical scheme that the high-integration double-output current transformer comprises a framework, a magnetic core and a winding, wherein the framework comprises a winding support, and a winding partition plate used for dividing the winding support into 2 winding positioning grooves and a magnetic column through groove used for accommodating a magnetic column of the magnetic core are arranged on the winding support; each winding positioning groove is provided with 1 set of winding, the winding comprises a primary winding and a secondary winding, the secondary winding is wound on the winding positioning groove, and the primary winding is a U-shaped copper belt which is sleeved on the outer side of the secondary winding and the surface of which is covered with an insulating layer. The utility model realizes two-way output on one current transformer, and reduces the installation volume and the manufacturing cost.

Description

High-integration double-output current transformer for 5G server power supply

Technical Field

The utility model relates to the technical field of current transformers, in particular to a high-integration double-output current transformer for a 5G server power supply.

Background

In the design of the 5G server, a secondary power supply adopts a large number of electronic components, and the secondary power supply becomes the main development direction of various electronic component manufacturers for reducing the volume and the cost of the components, and ensuring high reliability and high density of products. In the prior art, one current transformer can only realize one-way output, and when two-way output is needed in a server, only two current transformers can be installed, so that the size required by installation is large.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems that only one current transformer can output current at one time and two current transformers are large in installation volume in the prior art, the utility model provides a high-integration double-output current transformer for a 5G server power supply.

The utility model provides the following technical scheme: a high-integration double-output current transformer for a 5G server power supply comprises a framework, a magnetic core and a winding, wherein the framework comprises a winding support, and a winding partition plate used for dividing the winding support into 2 winding positioning grooves and a magnetic column through groove used for accommodating a magnetic column of the magnetic core are arranged on the winding support; each winding positioning groove is provided with 1 set of winding, the winding comprises a primary winding and a secondary winding, the secondary winding is wound on the winding positioning groove, and the primary winding is a U-shaped copper belt which is sleeved on the outer side of the secondary winding and the surface of which is covered with an insulating layer.

Preferably, magnetic core bases are arranged on two sides of the winding support, a plurality of first pins are arranged on the magnetic core bases, and two ends of the secondary winding are electrically connected to the two first pins respectively.

Preferably, both ends of the U-shaped copper strip are provided with second pins.

Preferably, the magnetic core comprises two E-shaped magnetic cores, the magnetic pillar of the E-shaped magnetic core comprises a center pillar, the center pillars of the two E-shaped magnetic cores are respectively inserted into two ends of the through groove of the magnetic pillar, and the two E-shaped magnetic cores are connected into a whole.

Preferably, the top of the winding partition board is further provided with a top cap, and a pair of parallel side walls of the top cap is provided with clamping holes.

The utility model has the beneficial effects that: two sets of windings are assembled on a pair of frameworks and share a pair of magnetic cores, so that two current transformers in the prior art are integrated, two-path output is realized on one current transformer, and the installation volume and the manufacturing cost are reduced.

Drawings

FIG. 1 is a schematic three-dimensional view I of one embodiment of the present invention.

Fig. 2 is a three-dimensional schematic diagram ii of an embodiment of the present invention.

FIG. 3 is a side view I of one embodiment of the present invention.

FIG. 4 is a side view II of one embodiment of the present invention.

Reference numerals: 1-framework, 11-winding positioning groove, 12-winding partition board, 13-magnetic column through groove, 14-magnetic core base, 15-first pin, 2-magnetic core, 21-E type magnetic core, 211-middle column, 3-primary winding, 31-second pin, 4-top cap and 41-clamping hole.

Detailed Description

The embodiments of the present invention will be described in more detail with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments of the present invention after studying the specification. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

The utility model provides a high-integration dual-output current transformer for a 5G server power supply, which comprises a framework 1, a magnetic core 2 and a winding, wherein the framework 1 can be made of an insulating material, such as high-strength engineering plastics, and the magnetic core 2 can be a ferrite magnetic core. The framework 1 comprises a winding support, and a winding clapboard 12 for dividing the winding support into 2 winding positioning grooves 11 and a magnetic column through groove 13 for accommodating a magnetic column of the magnetic core 2 are arranged on the winding support; each winding positioning groove 11 is provided with 1 set of winding, the winding comprises a primary winding 3 and a secondary winding, the secondary winding is wound on the winding positioning groove 11, and the primary winding 3 is a U-shaped copper belt which is sleeved on the outer side of the secondary winding and the surface of which is covered with an insulating layer. The secondary winding (not shown) can be formed by winding an enameled copper wire around the winding positioning slot, and the number of turns of the secondary winding can be adjusted according to the circuit requirement as the output end of the utility model. The primary winding is a U-shaped copper strip which is used as an input end, and the insulating layer on the surface can be made of polyimide polyester insulating paint. One magnetic column of the magnetic core penetrates through the magnetic column through groove, so that two sets of windings arranged on the two winding positioning grooves share one magnetic core, and one set of windings completes one output. The utility model adopts a structure that two sets of windings are assembled on a pair of frameworks and share a pair of magnetic cores, integrates two current transformers in the prior art, reduces the installation volume and the manufacturing cost, and realizes two-way output on one current transformer.

Preferably, a magnetic core base 14 is disposed on each of two sides of the winding support, the magnetic core base 14 is provided with a plurality of first pins 15, and two ends of the secondary winding are electrically connected to the two first pins 15 respectively. The magnetic core base can be integrally formed with the winding support and used for supporting the magnetic core and fixing the position of the magnetic core.

Preferably, the two ends of the U-shaped copper strip are both provided with second pins 31.

Preferably, the magnetic core 2 comprises two E-shaped magnetic cores 21, the magnetic column of the E-shaped magnetic core 21 comprises center pillars 211, and the center pillars 211 of the two E-shaped magnetic cores 21 are respectively inserted into two ends of the through groove 13 of the magnetic column, which is convenient for installation. The two E-shaped magnetic cores 21 are connected into a whole to form a complete closed magnetic circuit.

Preferably, the top of the winding partition plate 12 is further provided with a top cap 4, and a pair of parallel side walls of the top cap 4 are provided with clamping holes 41, so that clamping is facilitated, and installation is facilitated.

The foregoing is a detailed description of one or more embodiments of the utility model, which is set forth in more detail and is not intended to limit the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the spirit of the utility model, which falls within the scope of the utility model. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a 5G server power is with high integrated double output current transformer, includes skeleton (1), magnetic core (2) and winding, its characterized in that: the framework (1) comprises a winding support, and a winding partition plate (12) for dividing the winding support into 2 winding positioning grooves (11) and a magnetic column through groove (13) for accommodating a magnetic column of the magnetic core (2) are arranged on the winding support; each winding positioning groove (11) is provided with 1 set of winding, the winding comprises a primary winding (3) and a secondary winding, the secondary winding is wound on the winding positioning groove (11), and the primary winding (3) is a U-shaped copper belt which is sleeved on the outer side of the secondary winding and the surface of which is covered with an insulating layer.

2. The high-integration dual-output current transformer for the 5G server power supply according to claim 1, wherein: the winding support is characterized in that magnetic core bases (14) are arranged on two sides of the winding support, a plurality of first pins (15) are arranged on the magnetic core bases (14), and two ends of the secondary winding are electrically connected to the two first pins (15) respectively.

3. The high-integration dual-output current transformer for the 5G server power supply according to claim 1, wherein: and two ends of the U-shaped copper strip are provided with second pins (31).

4. The high-integration dual-output current transformer for the 5G server power supply according to claim 1, wherein: the magnetic core (2) comprises two E-shaped magnetic cores (21), the magnetic column of each E-shaped magnetic core (21) comprises a middle column (211), the middle columns (211) of the two E-shaped magnetic cores (21) are respectively inserted at two ends of the magnetic column through groove (13), and the two E-shaped magnetic cores (21) are connected into a whole.

5. The high-integration dual-output current transformer for the 5G server power supply according to claim 1, wherein: the winding separator (12) top still is provided with hood (4), a pair of parallel lateral wall of hood (4) is provided with clamping hole (41).