CN210640109U - High-frequency transformer framework - Google Patents
High-frequency transformer framework Download PDFInfo
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- CN210640109U CN210640109U CN201921842228.XU CN201921842228U CN210640109U CN 210640109 U CN210640109 U CN 210640109U CN 201921842228 U CN201921842228 U CN 201921842228U CN 210640109 U CN210640109 U CN 210640109U
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- baffle
- mounting seat
- wire passing
- vertical part
- frequency transformer
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Abstract
The utility model discloses a high-frequency transformer framework, which comprises a winding post, a front mounting seat, a rear mounting seat, a primary pin and a secondary pin; the outer side surface of the periphery of the winding post is radially extended with a front baffle, a partition plate and a rear baffle in an expanding way, the primary pin comprises a first vertical part and a first transverse part, and the bottom surface of the front baffle is concavely provided with a second wire passing groove; the front baffle is concavely provided with a first wire passing notch; the secondary pin comprises a second vertical part and a second transverse part, and a third wire passing groove is concavely arranged on the bottom surface of the rear baffle; the outer side surface of the rear baffle is concavely provided with a second wire passing notch. The electric clearance safety distance and the creepage distance of the utility model are increased through the front baffle, the baffle and the rear baffle, thereby being safer; and the second wire passing groove, the first wire passing notch, the third wire passing groove and the second wire passing notch are arranged, and the winding is wound on different positions according to different requirements, so that the selection is diversified, and the use is more flexible.
Description
Technical Field
The utility model belongs to the technical field of the transformer skeleton technique and specifically relates to indicate a high frequency transformer skeleton.
Background
The high-frequency transformer framework is a winding support of a high-power high-frequency transformer, and the requirements on the electrical clearance and the creepage distance of the transformer are increased along with the update and the upgrade of national electrical safety laws and regulations. After winding of a winding on a high-frequency transformer framework in the market is finished, the winding is wound on a corresponding pin, the traditional winding is fixed on the pin in a single mode, and the winding position is fixed. And after the traditional framework completes the winding of the transformer, the safety distance of the electrical gap and the creepage distance are insufficient, so that the safety is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a high frequency transformer bobbin, which effectively solves the problems of single fixing method and poor safety when winding is wound on the pins.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-frequency transformer framework comprises a winding post, a front mounting seat, a rear mounting seat, a primary pin and a secondary pin;
the front side and the rear side of the winding post are penetrated to form magnetic slots, the peripheral side of the winding post is radially expanded to form a front baffle, a partition plate and a rear baffle, the front baffle, the partition plate and the rear baffle are arranged in a front-back manner at intervals along the axial direction of the winding post, winding slots are formed between the front baffle and the partition plate and between the partition plate and the rear baffle, and a first wire passing slot communicated with the two winding slots is concavely arranged on the bottom surface of the partition plate;
the front mounting seat integrally extends outwards from the lower end of the front side surface of the front baffle; the rear mounting seat integrally extends outwards from the lower end of the rear side surface of the rear baffle; the primary pin is embedded on the front mounting seat and comprises a first vertical part and a first transverse part which are integrally formed and connected, the first vertical part vertically extends out of the bottom surface of the front mounting seat, and the bottom surface of the front baffle is concavely provided with a second wire passing groove corresponding to the first vertical part; the first transverse part is exposed out of the top surface of the front mounting seat and transversely extends out of the outer side surface of the front mounting seat, and a first wire passing notch is concavely arranged on the outer side surface of the front baffle plate aiming at the first transverse part;
the secondary pin is embedded on the rear mounting seat and comprises a second vertical part and a second transverse part which are integrally formed and connected, the second vertical part vertically extends out of the bottom surface of the rear mounting seat, and the bottom surface of the rear baffle is concavely provided with a third wire passing groove corresponding to the second vertical part; the second transverse part is exposed out of the top surface of the rear mounting seat and transversely extends out of the outer side surface of the rear mounting seat, and a second wire passing notch is concavely arranged on the outer side surface of the rear baffle plate aiming at the second transverse part.
As a preferable scheme, the second wire passing groove and the third wire passing groove are both in a slope shape.
Preferably, the winding post, the front baffle, the partition plate, the rear baffle, the front mounting seat and the rear mounting seat are all made of polytetrafluoroethylene or DMC materials.
Preferably, the cross-sectional area of the magnetic slot is square.
As a preferred scheme, the number of the primary pins is two, the number of the corresponding front installation seats is two, the two front installation seats are arranged on the front side surface of the front baffle at intervals, and a separation groove is formed between the two front installation seats.
As a preferred scheme, the number of the secondary stitches is two, the number of the corresponding rear mounting seats is two, the two rear mounting seats are arranged on the rear side face of the rear baffle at intervals, and a separation groove is formed between the two rear mounting seats.
Preferably, the surface of the first vertical part is concavely provided with a groove for preventing the wire from separating from the first vertical part.
Preferably, the surface of the second vertical portion is recessed with a groove for preventing the wire from separating from the second vertical portion.
As a preferred scheme, the top surface of the front baffle is concavely provided with a glue inlet notch.
Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:
the front baffle, the partition plate and the rear baffle are extended and extended in the radial direction on the side surface of the periphery of the winding post, so that the electric clearance safety distance and the creepage distance of the utility model are increased, and the safety is improved; and the front baffle plate is provided with a second wire passing groove and a first wire passing notch respectively aiming at the first vertical part and the first transverse part, the winding is wound on the first vertical part or the first transverse part according to different requirements, meanwhile, the rear baffle plate is provided with a third wire passing groove and a second wire passing notch respectively aiming at the second vertical part and the second transverse part, and the winding is wound on the second vertical part or the second transverse part according to different requirements, so that the selection is diversified, and the use is more flexible.
To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of the present invention;
fig. 2 is a bottom view of the preferred embodiment of the present invention.
The attached drawings indicate the following:
10. winding post 101 and magnetic slot
102. Winding groove 11 and front baffle
111. Second wire passing groove 112 and first wire passing notch
113. Glue inlet notch 12 and partition plate
121. First wire passing groove 13 and rear baffle plate
131. Third wire passing groove 132 and second wire passing notch
20. Front mounting seat 201, partition groove
30. Rear mounting seat 301 and partition groove
40. Primary stitch 41, first vertical portion
42. First lateral portion 401, groove
50. Secondary stitch 51, second vertical part
52. A second lateral portion 501, a groove.
Detailed Description
Referring to fig. 1 to 2, a specific structure of a preferred embodiment of the present invention is shown, which includes a winding post 10, a front mounting seat 20, a rear mounting seat 30, a primary pin 40 and a secondary pin 50.
The front and rear sides of the winding post 10 are penetrated by magnetic slots 101 for mounting a magnetic core, and in the present embodiment, the cross-sectional area of the magnetic slot 101 is square. And the peripheral side of the winding post 10 is extended radially to form a front baffle 11, a partition 12 and a rear baffle 13, the front baffle 11, the partition 12 and the rear baffle 13 are arranged front and back along the axial direction of the winding post 10 at intervals, winding grooves 102 are formed between the front baffle 11 and the partition 12 and between the partition 12 and the rear baffle 13, and a first wire passing groove 121 communicated with the two winding grooves 102 is concavely arranged on the bottom surface of the partition 12. The arrangement of the front baffle 11, the partition 12 and the rear baffle 13 increases the creepage distance between the primary pins 40 and the secondary pins 50, thereby meeting the electrical clearance requirement.
The front mounting seat 20 integrally extends outward from a lower end of a front side surface of the front bezel 11. The rear mounting seat 30 integrally extends out from the lower end of the rear side of the rear baffle 13, in this embodiment, the winding post 10, the front baffle 11, the partition plate 12, the rear baffle 13, the front mounting seat 20 and the rear mounting seat 30 are all made of polytetrafluoroethylene or DMC material, and the dielectric constant and the dielectric loss of the polytetrafluoroethylene or DMC material in a wide frequency range are very low, so that the product has low power loss, can pass large current, and is more suitable for high-frequency transformers.
This elementary stitch 40 inlays on preceding mount pad 20, and elementary stitch 40 is including the first vertical portion 41 and the first horizontal portion 42 of integrated into one piece connection, and this first vertical portion 41 vertically stretches out the bottom surface of preceding mount pad 20, and the bottom surface of above-mentioned preceding baffle 11 corresponds first vertical portion 41 and is concavely equipped with the second and crosses line groove 111. The first horizontal portion 42 is exposed on the top surface of the front mounting seat 20 and transversely extends out of the outer side surface of the front mounting seat 20, the outer side surface of the front baffle 11 is concavely provided with a first wire passing notch 112 corresponding to the first horizontal portion 42, and the second wire passing groove 111 and the first wire passing notch 112 are arranged, so that the coil can be wound on the first vertical portion 41 or the first horizontal portion 42, and different winding portions can be selected according to requirements. And the surface of the first vertical portion 41 is recessed with a groove 401 that prevents the wire from coming off the first vertical portion 41.
The secondary pin 50 is embedded in the rear mounting seat 30, the secondary pin 50 includes a second vertical portion 51 and a second horizontal portion 52 which are integrally connected, the second vertical portion 51 vertically extends out of the bottom surface of the rear mounting seat 30, and a third wire passing groove 131 is concavely arranged on the bottom surface of the rear baffle 13 corresponding to the second vertical portion 51. The second transverse portion 52 is exposed on the top surface of the rear mounting seat 30 and transversely extends out of the outer side surface of the rear mounting seat 30, and the outer side surface of the rear baffle 13 is concavely provided with a second wire passing notch 132 corresponding to the second transverse portion 52, and the principle thereof is the same as that of the primary pin 40. And the surface of the second vertical portion 51 is recessed with a groove 501 that prevents the wire from coming off the second vertical portion 51.
In this embodiment, there are two primary pins 40, and correspondingly, there are two front mounting seats 20, the two front mounting seats 20 are arranged on the front side surface of the front baffle 11 at intervals, and a separation groove 201 is formed between the two front mounting seats 20. Correspondingly, there are two secondary stitches 50, and correspondingly, there are two rear mounting seats 30, the two rear mounting seats 30 are arranged on the rear side surface of the rear baffle 13 at intervals, and a separation groove 301 is formed between the two rear mounting seats 30. And the top surface of the front baffle 11 is concavely provided with a glue inlet gap 113, which is convenient for the integral molding of the framework.
During assembly, the coil is wound in one winding slot 102, after the winding of the winding slot 102 is completed, the coil passes through the first wire passing slot 121, the winding is performed on the other winding slot 102, and after the winding is completed, the coil is wound on the corresponding stitch.
The utility model discloses a design focus lies in:
the front baffle, the partition plate and the rear baffle are extended and extended in the radial direction on the side surface of the periphery of the winding post, so that the electric clearance safety distance and the creepage distance of the utility model are increased, and the safety is improved; and the front baffle plate is provided with a second wire passing groove and a first wire passing notch respectively aiming at the first vertical part and the first transverse part, the winding is wound on the first vertical part or the first transverse part according to different requirements, meanwhile, the rear baffle plate is provided with a third wire passing groove and a second wire passing notch respectively aiming at the second vertical part and the second transverse part, and the winding is wound on the second vertical part or the second transverse part according to different requirements, so that the selection is diversified, and the use is more flexible.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.
Claims (9)
1. A high frequency transformer skeleton which characterized in that: the winding device comprises a winding post, a front mounting seat, a rear mounting seat, a primary pin and a secondary pin;
the front side and the rear side of the winding post are penetrated to form magnetic slots, the peripheral side of the winding post is radially expanded to form a front baffle, a partition plate and a rear baffle, the front baffle, the partition plate and the rear baffle are arranged in a front-back manner at intervals along the axial direction of the winding post, winding slots are formed between the front baffle and the partition plate and between the partition plate and the rear baffle, and a first wire passing slot communicated with the two winding slots is concavely arranged on the bottom surface of the partition plate;
the front mounting seat integrally extends outwards from the lower end of the front side surface of the front baffle; the rear mounting seat integrally extends outwards from the lower end of the rear side surface of the rear baffle; the primary pin is embedded on the front mounting seat and comprises a first vertical part and a first transverse part which are integrally formed and connected, the first vertical part vertically extends out of the bottom surface of the front mounting seat, and the bottom surface of the front baffle is concavely provided with a second wire passing groove corresponding to the first vertical part; the first transverse part is exposed out of the top surface of the front mounting seat and transversely extends out of the outer side surface of the front mounting seat, and a first wire passing notch is concavely arranged on the outer side surface of the front baffle plate aiming at the first transverse part;
the secondary pin is embedded on the rear mounting seat and comprises a second vertical part and a second transverse part which are integrally formed and connected, the second vertical part vertically extends out of the bottom surface of the rear mounting seat, and the bottom surface of the rear baffle is concavely provided with a third wire passing groove corresponding to the second vertical part; the second transverse part is exposed out of the top surface of the rear mounting seat and transversely extends out of the outer side surface of the rear mounting seat, and a second wire passing notch is concavely arranged on the outer side surface of the rear baffle plate aiming at the second transverse part.
2. The high frequency transformer former of claim 1, wherein: the second wire passing groove and the third wire passing groove are both in slope shapes.
3. The high frequency transformer former of claim 1, wherein: the winding post, the front baffle, the partition plate, the rear baffle, the front mounting seat and the rear mounting seat are all made of polytetrafluoroethylene or DMC materials.
4. The high frequency transformer former of claim 1, wherein: the cross section area of the magnetic slot is square.
5. The high frequency transformer former of claim 1, wherein: the primary stitch is two, and is corresponding, and preceding mount pad is two, and two preceding mount pads interval are arranged on the leading flank of preceding baffle, form the separating groove between two preceding mount pads.
6. The high frequency transformer former of claim 1, wherein: the secondary stitch is two, and is corresponding, and the back mount pad is two, and two back mount pads interval is arranged on the trailing flank of backplate, forms the separating groove between two back mount pads.
7. The high frequency transformer former of claim 1, wherein: the surface of the first vertical part is concavely provided with a groove for preventing the wire from separating from the first vertical part.
8. The high frequency transformer former of claim 1, wherein: the surface of the second vertical part is concavely provided with a groove for preventing the wire from separating from the second vertical part.
9. The high frequency transformer former of claim 1, wherein: the top surface of the front baffle is concavely provided with a glue inlet notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842228.XU CN210640109U (en) | 2019-10-30 | 2019-10-30 | High-frequency transformer framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842228.XU CN210640109U (en) | 2019-10-30 | 2019-10-30 | High-frequency transformer framework |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210640109U true CN210640109U (en) | 2020-05-29 |
Family
ID=70798738
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921842228.XU Active CN210640109U (en) | 2019-10-30 | 2019-10-30 | High-frequency transformer framework |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210640109U (en) |
-
2019
- 2019-10-30 CN CN201921842228.XU patent/CN210640109U/en active Active
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