CN220324281U - High-frequency transformer capable of reducing noise - Google Patents
High-frequency transformer capable of reducing noise Download PDFInfo
- Publication number
- CN220324281U CN220324281U CN202322025468.3U CN202322025468U CN220324281U CN 220324281 U CN220324281 U CN 220324281U CN 202322025468 U CN202322025468 U CN 202322025468U CN 220324281 U CN220324281 U CN 220324281U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- winding group
- pin
- retaining wall
- frequency transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004804 winding Methods 0.000 claims abstract description 45
- 239000003292 glue Substances 0.000 claims abstract description 11
- 239000003822 epoxy resin Substances 0.000 claims abstract description 6
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims abstract description 3
- 239000004809 Teflon Substances 0.000 claims description 21
- 229920006362 Teflon® Polymers 0.000 claims description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 239000011889 copper foil Substances 0.000 claims description 16
- 239000004593 Epoxy Substances 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The utility model particularly relates to a high-frequency transformer capable of reducing noise, which comprises a framework, a magnetic core, a front winding group and a rear winding group, wherein the front winding group, the rear winding group and the magnetic core are respectively arranged on the framework, the magnetic core is positioned between the front winding group and the rear winding group, pins are respectively arranged on the front winding group and the rear winding group, the magnetic core is divided into a first magnetic core and a second magnetic core, and the connecting part between the middle part of the first magnetic core and the middle part of the second magnetic core is connected through epoxy resin black glue. The utility model has the beneficial effects that: the middle part of this structure through first magnetic core and the middle phase junction of second magnetic core are connected through the epoxy black glue, effectively solve the problem of air gap to implement noise reduction production.
Description
Technical Field
The utility model relates to the technical field of transformers, in particular to a high-frequency transformer capable of reducing noise.
Background
For example, a published application number is CN202010798912.3, and the utility model application name discloses a high-frequency transformer framework structure, which comprises the following structures: comprises a winding wire slot; the tops of two sides of the winding wire slot are symmetrically and fixedly provided with a first platform and a second platform respectively; winding bosses are respectively arranged on the first platform and the second platform and close to the middle part of the winding wire slot; a plurality of wiring grooves are formed in the winding boss; the middle parts of the plurality of wiring grooves are obliquely downwards communicated with the inside of the wiring groove towards one side of the middle part of the wiring groove. The winding wire slot is also required to be additionally provided with magnetic cores, the magnetic cores are generally divided into two, the two magnetic cores are connected through magnetism, a certain error exists at the connecting position between the middle parts of the magnetic cores, a certain air gap is reserved, and noise is generated when the high-frequency transformer is in a working state.
Disclosure of Invention
The present utility model has been made to overcome the above-mentioned problems, and an object of the present utility model is to provide a high-frequency transformer capable of reducing noise, and capable of reducing noise generation.
The utility model discloses a high-frequency transformer capable of reducing noise, which comprises a framework, a magnetic core, a front winding group and a rear winding group, wherein the front winding group, the rear winding group and the magnetic core are respectively arranged on the framework, the magnetic core is positioned between the front winding group and the rear winding group, pins are respectively arranged on the front winding group and the rear winding group, the magnetic core is divided into a first magnetic core and a second magnetic core, and the connecting part between the middle part of the first magnetic core and the middle part of the second magnetic core is connected through epoxy resin black glue.
Specifically, further, a clearance space is formed in the bottom surface of the framework.
Specifically further, the pin is divided into a first pin and a second pin, the first pin is located on one side of the framework, and the second pin is located on the other side of the framework.
Specifically, further, the pin is provided with a teflon sleeve.
Specifically, further, the teflon sleeve is divided into a front teflon sleeve and a rear teflon sleeve, wherein the front teflon sleeve is positioned at the first pin, and the rear teflon sleeve is positioned at the second pin.
Specifically further, the skeleton is equipped with first barricade, first copper foil shielding barricade, second barricade, third barricade and second copper foil shielding barricade respectively, and first barricade, first copper foil shielding barricade, second barricade, third barricade and second copper foil shielding barricade are arranged in proper order.
Specifically further, be equipped with first recess on the first magnetic core, be equipped with the second recess on the second magnetic core, the upper and lower surface of epoxy black glue is equipped with first convex part and second convex part, and first convex part and second convex part are arranged in first recess and second recess respectively.
The utility model has the beneficial effects that: the middle part of this structure through first magnetic core and the middle phase junction of second magnetic core are connected through the epoxy black glue, effectively solve the problem of air gap to implement noise reduction production.
Drawings
The foregoing and/or additional aspects and advantages of the present utility model will be apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic view of the bottom structure of the present utility model.
Fig. 3 is a schematic view of the magnetic core structure of the present utility model.
Fig. 4 is a schematic diagram of the electrical principle of the present utility model.
Fig. 5 is a schematic view of a winding structure of the winding of the present utility model.
Fig. 6 is a schematic structural diagram of another embodiment of fig. 3.
The reference numerals are as follows:
skeleton 1, avoidance space 101, first pin 102, second pin 103, magnetic core 2, first magnetic core 201, second magnetic core 202, epoxy black 3, preceding wire winding group 4, preceding indisputable fluorine dragon sleeve 401, back wire winding group 5, back indisputable fluorine dragon sleeve 501, first barricade 6, first copper foil shielding barricade 7, second barricade 8, third barricade 9, second copper foil shielding barricade 10.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in fig. 1 to 6, the high-frequency transformer for reducing noise described in the present utility model includes a bobbin 1, a magnetic core 2, a front winding group 4 and a rear winding group 5, wherein the front winding group 4, the rear winding group 5 and the magnetic core 2 are respectively mounted on the bobbin, the magnetic core is located between the front winding group 4 and the rear winding group 5, the front winding group 4 and the rear winding group 5 are respectively provided with pins, the magnetic core 2 is divided into a first magnetic core 201 and a second magnetic core 202, and the connection part between the middle part of the first magnetic core 201 and the middle part of the second magnetic core 202 is connected through an epoxy black glue 3.
The middle part of the first magnetic core 201 and the middle part of the second magnetic core 202 are connected through the epoxy resin black glue 3, and the middle part of the first magnetic core 201 and the second magnetic core 202 are fixedly connected, so that an air gap between the middle part of the first magnetic core 201 and the second magnetic core 202 is effectively solved, and noise generation is reduced. The front winding group 4 and the rear winding group 5 are in an electrified state, and the working frequency of the high-frequency high-voltage device exceeds the intermediate frequency of 10KHz.
The bottom surface of the framework 1 is provided with a avoidance space 101. The clearance space 101 is used to identify the installation location.
The pins in the structure are divided into a first pin 102 and a second pin 103, wherein the first pin 102 is positioned on one side of the framework 1, and the second pin 103 is positioned on the other side of the framework 1. One end of each of the first pin 102 and the second pin 103 is inserted into the bottom surface of the skeleton 1, and the first pin 102 and the second pin 103 are connected with the front winding group 4.
The pin of the structure is provided with a teflon sleeve. The teflon sleeve has an insulating effect and is prevented from contacting with the pins. The teflon sleeve is divided into a front teflon sleeve 401 and a rear teflon sleeve 501, the front teflon sleeve 401 is located on the first pin 102, the rear teflon sleeve 501 is located on the second pin 103, and the number of the front teflon sleeve 401 and the rear teflon sleeve 501 is determined according to the number of the pins. The height of the fluorine dragon sleeve is generally 1mm to 3mm.
The structure the skeleton 1 is equipped with first barricade 6, first copper foil shielding barricade 7, second barricade 8, third barricade 9 and second copper foil shielding barricade 10 respectively, and first barricade 6, first copper foil shielding barricade 7, second barricade 8, third barricade 9 and second copper foil shielding barricade 10 are arranged in proper order. The first retaining wall 6, the first copper foil shielding retaining wall 7, the second retaining wall 8, the third retaining wall 9 and the second copper foil shielding retaining wall 10 respectively play a role in blocking.
In the structure, a first groove 203 is formed in a first magnetic core 201, a second groove 204 is formed in a second magnetic core 202, a first protrusion 301 and a second protrusion 302 are formed on the upper surface and the lower surface of an epoxy black glue 3, and the first protrusion 301 and the second protrusion 302 are respectively arranged in the first groove 203 and the second groove 204. And the contact area of the epoxy resin black glue 3 is increased, so that the first magnetic core 201 and the second magnetic core 202 are fixedly connected.
The foregoing is illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, or improvements within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.
Claims (7)
1. The utility model provides a high frequency transformer of noise reduction, includes skeleton (1), magnetic core (2), preceding wire winding group (4) and back wire winding group (5), preceding wire winding group (4), back wire winding group (5) and magnetic core (2) are installed respectively on skeleton (1), and magnetic core (2) are located between preceding wire winding group (4) and back wire winding group (5), and preceding wire winding group (4) and back wire winding group (5) are equipped with the pin respectively, its characterized in that: the magnetic core (2) is divided into a first magnetic core (201) and a second magnetic core (202), and the middle part of the first magnetic core (201) is connected with the middle connecting part of the second magnetic core (202) through epoxy resin black glue (3).
2. A noise-reducing high frequency transformer as defined in claim 1, wherein: the bottom surface of the framework (1) is provided with a avoidance space (101).
3. A noise-reducing high frequency transformer as defined in claim 1, wherein: the pins are divided into a first pin (102) and a second pin (103), the first pin (102) is located on one side of the framework (1), and the second pin (103) is located on the other side of the framework (1).
4. A noise-reducing high frequency transformer according to claim 3, wherein: and the pins are provided with teflon sleeves.
5. The noise-reducing high frequency transformer according to claim 4, wherein: the teflon sleeve is divided into a front teflon sleeve (401) and a rear teflon sleeve (501), the front teflon sleeve (401) is located on the first pin (102), and the rear teflon sleeve (501) is located on the second pin (103).
6. A noise-reducing high frequency transformer as defined in claim 1, wherein: the framework (1) is provided with a first retaining wall (6), a first copper foil shielding retaining wall (7), a second retaining wall (8), a third retaining wall (9) and a second copper foil shielding retaining wall (10) respectively, wherein the first retaining wall (6), the first copper foil shielding retaining wall (7), the second retaining wall (8), the third retaining wall (9) and the second copper foil shielding retaining wall (10) are sequentially arranged.
7. A noise-reducing high frequency transformer as defined in claim 1, wherein: the first magnetic core (201) is provided with a first groove (203), the second magnetic core (202) is provided with a second groove (204), the upper surface and the lower surface of the epoxy resin black glue (3) are provided with a first convex part (301) and a second convex part (302), and the first convex part (301) and the second convex part (302) are respectively arranged in the first groove (203) and the second groove (204).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322025468.3U CN220324281U (en) | 2023-07-31 | 2023-07-31 | High-frequency transformer capable of reducing noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322025468.3U CN220324281U (en) | 2023-07-31 | 2023-07-31 | High-frequency transformer capable of reducing noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220324281U true CN220324281U (en) | 2024-01-09 |
Family
ID=89414500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322025468.3U Active CN220324281U (en) | 2023-07-31 | 2023-07-31 | High-frequency transformer capable of reducing noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220324281U (en) |
-
2023
- 2023-07-31 CN CN202322025468.3U patent/CN220324281U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201063318Y (en) | External relay remaining by magnetism | |
| WO2012131350A2 (en) | Resonant converter | |
| CN220324281U (en) | High-frequency transformer capable of reducing noise | |
| CN203746628U (en) | Network transformer | |
| CN110718379B (en) | Network transformer integrating PoE power supply function | |
| CN212659425U (en) | Flat transformer | |
| CN212303344U (en) | Transformer of disconnect-type structure | |
| CN113808813A (en) | Transformer assembled on circuit board | |
| CN220604472U (en) | Skeleton transformer structure and transformer | |
| CN213025769U (en) | Reinforced patch transformer combined type framework | |
| CN216054112U (en) | High-frequency low-magnetic nanocrystalline magnetic ring | |
| CN201514835U (en) | Choke coil | |
| KR100444232B1 (en) | The second coil inserting type transformer and transbobin used therefor | |
| CN218351250U (en) | Flat transformer and electronic equipment | |
| CN220491716U (en) | Transformer framework | |
| CN216287929U (en) | Combined transformer framework | |
| CN215896138U (en) | Inductor with special voltage withstanding design | |
| CN110459394B (en) | Current transformer for aero-generator | |
| CN217881134U (en) | EMI improved power inductor | |
| CN211555646U (en) | Resonance transformer | |
| CN219370756U (en) | High-frequency transformer capable of increasing safety distance | |
| CN214797045U (en) | Low-impedance transformer magnetic core grounding structure | |
| CN219040225U (en) | Transformer and switching power supply | |
| CN220796446U (en) | Winding structure of unshielded transformer and electronic equipment | |
| CN213905109U (en) | High-power transformer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |