SMD (Surface Mount Device) transformer

Abstract

The utility model relates to the technical field of transformers, in particular to a patch transformer which comprises a transformer framework and a magnetic ring coil. A framework groove is formed in the rear side of the transformer framework, the magnetic ring coil is fixedly installed in the framework groove, pin assemblies are symmetrically arranged at the upper end and the lower end of the transformer framework, wire assemblies are arranged at the upper end and the lower end of the transformer framework, and the wire assemblies are located on the upper side and the lower side of the magnetic ring coil. And wire heads at the upper end and the lower end of the magnetic ring coil penetrate through the wire group. According to the utility model, the designed L-shaped pin is not easy to deform or tilt, pseudo soldering or false soldering is avoided when a customer pastes, the gap between the magnet ring coil and a transformer framework is smaller, a take-up and take-up wire is hung at the topmost end of the L-shaped pin, the problem of flatness of the pin is avoided, the wire of the magnet ring coil is prevented from being damaged during high-temperature welding, and the service life of the magnet ring coil is prolonged. The inclined position can obviously distinguish the assembly position, so that direction distinguishing is facilitated, and installation and use are more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a patch transformer. Background Art

[0002] The utility model discloses a patch transformer, which belongs to the field of electronic accessories, including a transformer frame and a magnetic ring coil. At present, the magnetic ring coil is assembled with the transformer frame in the market, and the winding wire is directly hung on the pin, causing the pin to be unevenly attached to the PCB board. The design problem of the top of the entire transformer frame affects the use of customers. The distance between the coil and the frame pin is short, and the coil is burned or damaged due to the small distance from the coil during high-temperature welding, thereby affecting the electrical properties and the difficulty of process production. For this reason, we propose a patch transformer to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a patch transformer to solve the problems raised in the above background technology that the magnetic ring coil and the transformer frame are assembled and used in the current market, the starting and taking-up wires are directly hung on the pins, causing the pins to be unevenly attached to the PCB board, the design problem of the top of the entire transformer frame affects the use of customers, and the distance between the coil and the frame pins is short during high-temperature welding, resulting in the coil being burned or damaged due to the small distance from the coil, thereby affecting the electrical properties and the difficulty of process manufacturing.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a patch transformer, comprising a transformer frame and a magnetic ring coil;

[0005] A skeleton groove is arranged on the rear side of the transformer skeleton, the magnetic ring coil is fixedly installed in the skeleton groove, pin assemblies are symmetrically arranged at the upper and lower ends of the transformer skeleton, and wire assemblies are arranged at the upper and lower ends of the transformer skeleton. The wire assemblies are located at the upper and lower sides of the magnetic ring coil, and the wire ends at the upper and lower ends of the magnetic ring coil pass through the wire group.

[0006] Preferably, the pin assembly includes a first pin, a second pin and a third pin, the first pin, the second pin and the third pin are sequentially arranged and fixedly installed on the lower end of the transformer skeleton, and the fourth pin, the fifth pin and the sixth pin are sequentially arranged and fixedly installed on the upper end of the transformer skeleton.

[0007] Preferably, the wire assembly includes a first wire trough, a second wire trough and a third wire trough, the first wire trough, the second wire trough and the third wire trough are arranged in the lower end of the transformer skeleton, and a first positioning column and a second positioning column are fixedly installed between the first wire trough, the second wire trough and the third wire trough, respectively; a fourth wire trough, a fifth wire trough and a sixth wire trough are arranged in the upper end of the transformer skeleton, and a third positioning column and a fourth positioning column are fixedly installed between the fourth wire trough, the fifth wire trough and the sixth wire trough, respectively.

[0008] Preferably, an oblique position is provided at the left opening of the transformer skeleton, and the upper side of the oblique position is inclined.

[0009] Preferably, the first pin, the second pin and the third pin and the fourth pin, the fifth pin and the sixth pin are all L-shaped.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model extends the three starting wires from the rear end coil slot position on the back of the transformer skeleton to the first positioning column, the second positioning column, and the third positioning column positions on the front of the transformer skeleton by the first wire groove, the second wire groove, and the third wire groove respectively; the three collecting wires are extended from the front end coil slot position on the back of the transformer skeleton by the fourth wire groove, the fifth wire groove, and the sixth wire groove respectively from the first pin, the second pin, and the third pin positions on the front of the transformer skeleton; each starting and collecting wire is separated by the first positioning column, the second positioning column, the third positioning column, and the fourth positioning column to prevent conduction between wires; the L-shaped pin of the design is not easy to deform or warp, ensuring that there will be no cold soldering or false soldering when the customer is patching; this structure makes the gap between the magnetic ring coil and the transformer skeleton smaller; the starting and collecting wires are hung at the top of the L pin to avoid the problem of pin flatness, and also prevent the wire of the magnetic ring coil from being damaged during high-temperature welding; the oblique position can clearly distinguish the assembly position, which is conducive to distinguishing the direction and more convenient for installation and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a rear view schematic diagram of the structure of the utility model;

[0014] Figure 3 It is a left side schematic diagram of the structure of the transformer skeleton in the utility model;

[0015] Figure 4 It is a schematic top view of the structure of the transformer skeleton in the utility model;

[0016] Figure 5 It is a schematic bottom view of the structure of the transformer skeleton in the utility model.

[0017] In the figure: 1, transformer skeleton; 2, magnetic ring coil; 3, first pin; 4, second pin; 5, third pin; 6, fourth pin; 7, fifth pin; 8, sixth pin; 9, first wire trough; 10, second wire trough; 11, third wire trough; 12, fourth wire trough; 13, fifth wire trough; 14, sixth wire trough; 15, skeleton slot; 16, first positioning post; 17, second positioning post; 18, third positioning post; 19, fourth positioning post; 20, oblique position. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5 , the utility model provides an embodiment: a patch transformer, including a transformer skeleton 1 and a magnetic ring coil 2;

[0020] A skeleton groove 15 is provided on the rear side of the transformer skeleton 1, and the magnetic ring coil 2 is fixedly installed in the skeleton groove 15. Pin assemblies are symmetrically provided at the upper and lower ends of the transformer skeleton 1. Wire assemblies are provided at the upper and lower ends of the transformer skeleton 1. The wire assemblies are located at the upper and lower sides of the magnetic ring coil 2. The wire ends at the upper and lower ends of the magnetic ring coil 2 pass through the wire group. After the device installs the magnetic ring coil 2 in the skeleton groove 15, the starting and winding wires on the magnetic ring coil 2 are connected to the pin assemblies through the wire assemblies, so that the gap between the transformer skeleton 1 and the magnetic ring coil 2 is smaller.

[0021] Furthermore, the pin assembly includes a first pin 3, a second pin 4 and a third pin 5, which are arranged in sequence and fixedly installed on the lower end of the transformer skeleton 1, and a fourth pin 6, a fifth pin 7 and a sixth pin 8 are arranged in sequence and fixedly installed on the upper end of the transformer skeleton 1. The device avoids the problem of pin flatness through the pins composed of the first pin 3, the second pin 4 and the third pin 5, the fourth pin 6, the fifth pin 7 and the sixth pin 8, thereby preventing damage to the wire group of the magnetic ring coil 2 during high-temperature welding.

[0022] Further, the wire assembly includes a first wire trough 9, a second wire trough 10 and a third wire trough 11, which are arranged in the lower end of the transformer skeleton 1, and a first positioning column 16 and a second positioning column 17 are fixedly installed between the first wire trough 9, the second wire trough 10 and the third wire trough 11, respectively. A fourth wire trough 12, a fifth wire trough 13 and a sixth wire trough 14 are arranged in the upper end of the transformer skeleton 1, and a third positioning column 18 and a fourth positioning column 19 are fixedly installed between the fourth wire trough 12, the fifth wire trough 13 and the sixth wire trough 14, respectively. The structure separates the retracted wire from the first wire trough 9, the second wire trough 10, the third wire trough 11, the fourth wire trough 12, the fifth wire trough 13 and the sixth wire trough 14 through the first positioning column 16, the second positioning column 17, the third positioning column 18 and the fourth positioning column 19 when passing through the first wire trough 9, the second wire trough 10, the third wire trough 11, the fourth wire trough 12, the fifth wire trough 13 and the sixth wire trough 14, thereby preventing conduction between the wires.

[0023] Furthermore, an inclined position 20 is provided at the left opening of the transformer skeleton 1, and the upper side of the inclined position 20 is inclined. This structure is quickly and conveniently assembled to 01 through the inclined position 20, avoiding installation misalignment.

[0024] Furthermore, the first pin 3, the second pin 4 and the third pin 5 and the fourth pin 6, the fifth pin 7 and the sixth pin 8 are all L-shaped. According to the overall shape of the first pin 3, the second pin 4 and the third pin 5 and the fourth pin 6, the fifth pin 7 and the sixth pin 8, the first pin 3, the second pin 4 and the third pin 5 and the fourth pin 6, the fifth pin 7 and the sixth pin 8 are not easily deformed or warped when used.

[0025] Working principle: When the magnetic ring coil 2 is fixedly installed in the frame slot 15, Figure 1 and Figure 2 As shown, the three starting wires on the magnetic ring coil 2 pass through the first wire groove 9, the second wire groove 10 and the third wire groove 11 to be connected with the first pin 3, the second pin 4 and the third pin 5, and the three receiving wires on the magnetic ring coil 2 pass through the fourth wire groove 12, the fifth wire groove 13 and the sixth wire groove 14 to be connected with the fourth pin 6, the fifth pin 7 and the sixth pin 8, and each starting and receiving wire is separated by the first positioning column 16, the second positioning column 17, the third positioning column 18 and the fourth positioning column 19, so that the magnetic ring coil 2 is installed between the transformer skeleton 1 and the skeleton groove 15, and the first pin 3, the second pin 4, the third pin 5, the fourth pin 6, the fifth pin 7, and the sixth pin 8 at the upper and lower ends of the transformer skeleton 1 are connected to the magnetic ring coil 2, and the assembly can be completed. The above is the entire working principle of the utility model.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A chip transformer, characterized in that: It comprises a transformer skeleton (1) and a magnetic ring coil (2); A frame groove (15) is provided on the rear side of the transformer frame (1), the magnetic ring coil (2) is fixedly installed in the frame groove (15), pin assemblies are symmetrically provided at the upper and lower ends of the transformer frame (1), and wire assemblies are provided at the upper and lower ends of the transformer frame (1), the wire assemblies are located at the upper and lower sides of the magnetic ring coil (2), and the wire ends at the upper and lower ends of the magnetic ring coil (2) pass through the wire assembly.

2. A chip transformer according to claim 1, characterized in that: The pin assembly comprises a first pin (3), a second pin (4) and a third pin (5); the first pin (3), the second pin (4) and the third pin (5) are arranged in sequence and fixedly mounted on the lower end of the transformer skeleton (1); and the fourth pin (6), the fifth pin (7) and the sixth pin (8) are arranged in sequence and fixedly mounted on the upper end of the transformer skeleton (1).

3. A chip transformer according to claim 1, characterized in that: The conductor assembly comprises a first conductor trough (9), a second conductor trough (10) and a third conductor trough (11); the first conductor trough (9), the second conductor trough (10) and the third conductor trough (11) are arranged in the lower end of the transformer skeleton (1); a first positioning column (16) and a second positioning column (17) are respectively fixedly installed between the first conductor trough (9), the second conductor trough (10) and the third conductor trough (11); a fourth conductor trough (12), a fifth conductor trough (13) and a sixth conductor trough (14) are arranged in the upper end of the transformer skeleton (1); a third positioning column (18) and a fourth positioning column (19) are respectively fixedly installed between the fourth conductor trough (12), the fifth conductor trough (13) and the sixth conductor trough (14).

4. A chip transformer according to claim 1, characterized in that: An inclined portion (20) is provided at the left opening of the transformer skeleton (1), and the upper side of the inclined portion (20) is inclined.

5. A chip transformer according to claim 2, characterized in that: The first pin (3), the second pin (4) and the third pin (5) and the fourth pin (6), the fifth pin (7) and the sixth pin (8) are all L-shaped.

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