CN219476435U - Small-size high-frequency transformer - Google Patents
Small-size high-frequency transformer Download PDFInfo
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- CN219476435U CN219476435U CN202320126418.1U CN202320126418U CN219476435U CN 219476435 U CN219476435 U CN 219476435U CN 202320126418 U CN202320126418 U CN 202320126418U CN 219476435 U CN219476435 U CN 219476435U
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Abstract
The utility model discloses a small-volume high-frequency transformer, which comprises a quick-release base and a transformer main body which is spliced and fixed at the top of the quick-release base, wherein the quick-release base comprises a base main body, a plurality of splicing holes for splicing and fixing are formed in equal intervals on two sides of the top end of the base main body, a plurality of cavity grooves for connecting the splicing holes are formed in equal intervals on two sides of the base main body, pins are fixedly arranged in the cavity grooves, the transformer main body comprises two symmetrically arranged magnetic cores, the two magnetic cores are fixedly bonded through glue, a plurality of mounting seats which are abutted to the base main body are respectively formed in equal intervals on two sides of the two magnetic cores, and splicing pins which are spliced and arranged in the splicing holes are formed in the middle of the bottom end of the mounting seat. This small-size high frequency transformer possesses quick assembly disassembly function, time when reducible dismantlement and installation, labour saving and time saving, the condition emergence of contact failure that still can avoid producing because of grafting skew, and the practicality is stronger.
Description
Technical Field
The utility model belongs to the technical field of high-frequency transformers, and particularly relates to a small-size high-frequency transformer.
Background
The high frequency transformer is the most important component of the switching power supply. There are many topologies in switching power supplies. For example, in a half-bridge power conversion circuit, when in operation, two switching triodes are conducted in turn to generate high-frequency pulse waves of 100kHz, then the high-frequency pulse waves are transformed by a high-frequency transformer to output alternating current, and the number of turns ratio of each winding coil of the high-frequency transformer determines the output voltage.
The small-size high-frequency transformer in the prior art can be used, a plurality of pins at the bottom of the small-size high-frequency transformer are often required to be inserted into the circuit board and fixed through welding, and when the high-frequency transformer is damaged, soldering tin is required to be melted and cleaned, the high-frequency transformer can be taken down for replacement, time and labor are wasted, and the practicality is low.
Disclosure of Invention
The present utility model is directed to a small-sized high-frequency transformer for solving the above-mentioned problems.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a small-size high-frequency transformer comprises a quick-release base and a transformer main body which is inserted and fixed at the top of the quick-release base;
the quick-release base comprises a base main body, wherein a plurality of plug holes for plug-in fixation are formed in the two sides of the top end of the base main body at equal intervals, a plurality of cavity grooves for connecting the plug holes are formed in the two sides of the base main body at equal intervals, and pins are fixedly arranged in the cavity grooves;
the transformer main body comprises two symmetrically arranged magnetic cores, the two magnetic cores are fixedly bonded through glue, a plurality of installation seats which are abutted to the base main body are respectively and equidistantly arranged on two sides of the magnetic cores, plug pins which are arranged in plug holes in a plugging manner are centrally arranged at the bottom ends of the installation seats, and the bottom ends of the plug pins are abutted to pins.
Further, the coils are commonly installed in the two magnetic cores, and a groove for adapting to the coils is formed in the middle of the top end of the base body.
Further, the constant head tank has all been seted up in the middle of both sides on recess top, two bottom one side of magnetic core has all been constructed the locating key in the middle, and the locating key grafting is fixed in the constant head tank.
Compared with the prior art, the utility model has the following beneficial effects:
thanks to the arrangement of the quick-release base and the transformer main body, the quick-release base is welded and fixed on the circuit board firstly, and then a plurality of plug pins provided with plug pins on the magnetic core are abutted against the base main body, so that the plug pins are inserted into the plug holes, the installation of the transformer main body is completed, the secondary welding is not needed, the time for dismounting and installing is shortened, time and labor are saved, and the practicability is higher;
owing to the setting of the locating key and the quick detach base of magnetic core bottom structure, when accomplishing the grafting fixedly, the locating key at magnetic core bottom inserts in the constant head tank at base main part top to accomplish the location to the transformer main part, thereby avoid the poor condition emergence of contact because of grafting skew produces, the practicality is stronger.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the present utility model;
fig. 3 is a schematic structural view of the quick-release base of the present utility model.
In the figure: 1. a base is quickly disassembled; 101. a base body; 102. a plug hole; 103. pins; 104. a groove; 105. a positioning groove; 2. a transformer body; 201. a magnetic core; 202. a coil; 203. a mounting base; 204. a plug pin; 205. and positioning keys.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
As shown in fig. 1, fig. 2 and fig. 3, a small-size high-frequency transformer comprises a quick-release base 1 and a transformer main body 2 fixed on the top of the quick-release base 1 in a plugging manner, the quick-release base 1 comprises a base main body 101, a plurality of plug holes 102 for plugging and fixing are formed in equal distances on two sides of the top of the base main body 101, cavity grooves for connecting the plug holes 102 are formed in equal distances on two sides of the base main body 101, pins 103 are fixedly arranged in the cavity grooves, the transformer main body 2 comprises two symmetrically arranged magnetic cores 201, two magnetic cores 201 are fixedly connected through glue, a plurality of mounting seats 203 are formed on two sides of the magnetic cores 201 in an equidistant manner, a plug pin 204 is arranged in the plug holes 102 in a centered manner on the bottom of the mounting seats 203, the bottom end of the plug pin 204 is connected with the pin 103 in a butt manner, the plug pin 204 on the magnetic cores 201 is connected with the base main body 101 in a butt manner, and therefore the time and the time of the installation are saved, and the installation time are reduced, and the practical time is saved when the installation of the transformer main body 102 is completed.
As shown in fig. 1, fig. 2, and fig. 3, two coils 202 are jointly installed in the magnetic core 201, a groove 104 adapted to the coil 202 is centrally provided at the top end of the base body 101, positioning grooves 105 are centrally provided at both sides of the top end of the groove 104, positioning keys 205 are centrally configured at one side of the bottom ends of the magnetic cores 201, and the positioning keys 205 are inserted and fixed in the positioning grooves 105, when the insertion and fixation are completed, the positioning keys 205 at the bottom of the magnetic core 201 are inserted into the positioning grooves 105 at the top of the base body 101, thereby completing the positioning of the transformer body 2, thereby avoiding poor contact caused by insertion and deviation, and having strong practicability.
Working principle: when the small-size high-frequency transformer is used, a plurality of pins 103 penetrate through holes in a circuit board, high-temperature welding is performed through soldering tin, after welding is completed, plug pins 204 of the bottom structures of a plurality of installation seats 203 can be respectively inserted into plug holes 102 in a base main body 101, the plug pins 103 are connected, positioning keys 205 at the bottoms of magnetic cores 201 are inserted into positioning grooves 105 in the base main body 101, the installation of a transformer main body 2 can be completed, and when maintenance is performed, the plug pins 204 inserted into the plug holes 102 are taken out, the disassembly of the transformer main body 2 can be completed, and the transformer is convenient to use and simple to operate.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (3)
1. A small-size high-frequency transformer comprises a quick-release base (1) and a transformer main body (2) which is inserted and fixed at the top of the quick-release base (1);
the method is characterized in that: the quick-release base (1) comprises a base main body (101), wherein a plurality of inserting holes (102) for inserting and fixing are formed in the two sides of the top end of the base main body (101) at equal intervals, a plurality of cavity grooves for connecting the inserting holes (102) are formed in the two sides of the base main body (101) at equal intervals, and pins (103) are fixedly arranged in the cavity grooves;
the transformer main body (2) comprises two symmetrically arranged magnetic cores (201), the two magnetic cores (201) are fixed through glue, a plurality of installation seats (203) which are abutted against the base main body (101) are formed on two sides of the magnetic cores (201) at equal intervals, an inserting foot (204) which is arranged in the inserting hole (102) in an inserting mode is formed in the middle of the bottom end of the installation seat (203), and the bottom ends of the inserting foot (204) are abutted against the pins (103).
2. A low-volume high-frequency transformer according to claim 1, characterized in that: the coils (202) are commonly installed in the two magnetic cores (201), and a groove (104) for adapting to the coils (202) is formed in the middle of the top end of the base main body (101).
3. A low-volume high-frequency transformer according to claim 2, characterized in that: positioning grooves (105) are formed in the two sides of the top end of the groove (104) in the middle, positioning keys (205) are formed in the sides of the bottom ends of the two magnetic cores (201) in the middle, and the positioning keys (205) are inserted and fixed in the positioning grooves (105).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320126418.1U CN219476435U (en) | 2023-01-16 | 2023-01-16 | Small-size high-frequency transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320126418.1U CN219476435U (en) | 2023-01-16 | 2023-01-16 | Small-size high-frequency transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219476435U true CN219476435U (en) | 2023-08-04 |
Family
ID=87441981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320126418.1U Active CN219476435U (en) | 2023-01-16 | 2023-01-16 | Small-size high-frequency transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219476435U (en) |
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2023
- 2023-01-16 CN CN202320126418.1U patent/CN219476435U/en active Active
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