CN210110496U - Transformer capable of effectively increasing creepage distance - Google Patents
Transformer capable of effectively increasing creepage distance Download PDFInfo
- Publication number
- CN210110496U CN210110496U CN201920984609.5U CN201920984609U CN210110496U CN 210110496 U CN210110496 U CN 210110496U CN 201920984609 U CN201920984609 U CN 201920984609U CN 210110496 U CN210110496 U CN 210110496U
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- CN
- China
- Prior art keywords
- secondary coil
- magnetic core
- primary coil
- wire groove
- creepage distance
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Abstract
The utility model discloses a transformer which can effectively increase creepage distance, comprising a magnetic core, a primary coil wound on the outer surface of the magnetic core, and the secondary coil is wound outside the primary coil, an insulating adhesive tape is arranged between the primary coil and the secondary coil, a primary coil pin fixing plate extends outwards from one side edge of the bottom of the magnetic core, a secondary coil pin fixing plate extends outwards from the other side edge of the bottom of the magnetic core, primary coil pins connected with the input end of the primary coil are arranged on the secondary coil pin fixing plate, two secondary coil pin grooves are formed in the secondary coil pin fixing plate, the two secondary coil pins are separated through a first wire groove and a second wire groove, a partition plate is arranged between the first wire groove and the second wire groove, secondary coil pins are fixed in the secondary coil pin grooves, and the output end of the secondary coil penetrates through the first wire groove and then is connected with the secondary coil pins. Its advantage is not increasing the utility model discloses under the condition of volume, increased creepage distance.
Description
Technical Field
The utility model belongs to the technical field of the transformer technique and specifically relates to an effectively increase creepage distance's transformer.
Background
The creepage distance of a transformer is the distance between two conducting parts measured along an insulating surface. It is simply clear that is the shortest distance that one charged body travels to another charged body. If the creepage distance of the transformer is insufficient, the safety of a human body can be threatened to a certain extent, the thickness of the transformer is increased correspondingly to ensure the creepage distance, and the size of the transformer is obviously increased by the method, so that the method is not suitable for electronic equipment with strict requirements on the size of an original device.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the not enough of prior art, provide a transformer that effectively increases creepage distance.
The utility model discloses a technical scheme:
a transformer capable of effectively increasing creepage distance comprises a magnetic core, a primary coil wound on the outer surface of the magnetic core, and a secondary coil wound outside the primary coil, wherein an insulating adhesive tape is arranged between the primary coil and the secondary coil, a primary coil stitch fixing plate extends outwards from one side edge of the bottom of the magnetic core, a secondary coil stitch fixing plate extends outwards from the other side edge of the bottom of the magnetic core, the primary coil stitch fixing plate is provided with a primary coil stitch fixing hole, a primary coil stitch connected with the input end of the primary coil is arranged in the primary coil stitch fixing hole, the secondary coil stitch fixing plate is provided with two secondary coil stitch grooves, the two secondary coil stitches are separated by a first wire groove and a second wire groove, a partition plate is arranged between the first wire groove and the second wire groove, secondary coil stitches are fixed in the secondary coil stitch grooves, two sides of the secondary coil stitch grooves are respectively provided with a baffle plate, the output end of the secondary coil penetrates through the first wire slot and then is connected with a pin of the secondary coil.
The utility model provides an effective transformer that increases creepage distance still includes the magnetic core skeleton, and the magnetic core skeleton runs through there is the fixed slot, and the magnetic core is fixed in the fixed slot.
One preferred scheme is that the peripheral wall of the magnetic core framework is coated with an insulating tape.
One preferable scheme is that the secondary coil is wrapped with an insulating tape.
Synthesize above-mentioned technical scheme, the beneficial effects of the utility model: the utility model discloses do not increase under the condition of volume, increased creepage distance, can not exert an influence to the human body, still have small, be applicable to on the more strict electronic equipment of former device volume requirement.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic view of the present invention;
fig. 2 is a perspective view of the magnetic core of the present invention.
Detailed Description
For the purpose of illustrating the spirit and purposes of the present invention, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a transformer for effectively increasing a creepage distance includes a magnetic core 10, a primary coil wound around an outer surface of the magnetic core 10, and a secondary coil 30 wound around an outer portion of the primary coil (not shown), with an insulating tape interposed between the primary coil and the secondary coil 30. A primary coil stitch fixing plate 11 extends outwards from one side of the bottom of the magnetic core 10, a secondary coil stitch fixing plate 12 extends outwards from the other side of the bottom of the magnetic core 10, the primary coil stitch fixing plate 11 is provided with a primary coil stitch fixing hole, a primary coil stitch 18 connected with the input end of a primary coil is arranged in the primary coil stitch fixing hole, the secondary coil stitch fixing plate 12 is provided with two secondary coil stitch grooves 13, a first wire groove 14 and a second wire groove 15 are arranged between the two secondary coil stitches 16, a partition plate 17 is arranged between the first wire groove 14 and the second wire groove 15, the height of the partition plate 17 is slightly higher than that of the magnetic core 10, a secondary coil stitch 16 is fixed in each secondary coil stitch groove 13, and the output end of the secondary coil 30 is connected with the secondary coil stitch 16 after penetrating through the first wire groove 14. Since the secondary coil pin 16 is fixed in the secondary coil pin slot 13, the two secondary coil pins 16 are separated by the secondary coil pin slot 13, and the two sides of the secondary coil pin slot 13 are respectively provided with the baffle plates 131. The barrier 131 increases the creepage distance between the primary coil and the secondary coil 30. That is to say, baffle 131 has increased the creepage distance between secondary coil stitch 16 and the primary, has increased first wire casing 14 between two secondary coil stitches 16 simultaneously, and second wire casing 15 and baffle 17 are not increasing the utility model discloses under the condition of volume, reduce the injury to the human body.
As shown in fig. 1 and 2, the transformer for effectively increasing a creepage distance further includes a magnetic core bobbin 20, a fixing groove is formed through the magnetic core bobbin 20, and the magnetic core 10 is fixed in the fixing groove.
As shown in fig. 1 and 2, the peripheral wall of the core frame 20 is covered with an insulating tape. The insulating tape is an insulating tape.
As shown in fig. 1 and 2, the secondary coil 30 is externally coated with an insulating tape. The insulating tape is an insulating tape.
As shown in fig. 1 and 2, a notch is respectively disposed between the secondary winding pin slot 13 and the ends of the first wire slot 14 and the second wire slot 15, the notch is located at an end far from the primary winding pin fixing plate 11, and the output end of the secondary winding 30 passes through the first wire slot 14 and the notch and then is connected to the secondary winding pin 16.
The above is a detailed implementation manner of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (4)
1. A transformer capable of effectively increasing creepage distance is characterized by comprising a magnetic core, a primary coil wound on the outer surface of the magnetic core, and a secondary coil wound outside the primary coil, wherein an insulating adhesive tape is arranged between the primary coil and the secondary coil, a primary coil stitch fixing plate extends outwards from one side of the bottom of the magnetic core, a secondary coil stitch fixing plate extends outwards from the other side of the bottom of the magnetic core, the primary coil stitch fixing plate is provided with a primary coil stitch fixing hole, primary coil stitches connected with the input end of the primary coil are arranged in the primary coil stitch fixing hole, the secondary coil stitch fixing plate is provided with two secondary coil stitch grooves, a first wire groove and a second wire groove are arranged between the two secondary coil stitches, a partition plate is arranged between the first wire groove and the second wire groove, and secondary coil stitches are fixed in the secondary coil stitch grooves, and the two sides of the pin groove of the secondary coil are respectively provided with a baffle plate, and the output end of the secondary coil penetrates through the first wire groove and then is connected with the pins of the secondary coil.
2. The transformer for effectively increasing creepage distance according to claim 1, further comprising a magnetic core bobbin, wherein a fixing groove is formed through the magnetic core bobbin, and the magnetic core is fixed in the fixing groove.
3. The transformer for increasing creepage distance effectively according to claim 1, wherein the magnetic core bobbin peripheral wall is covered with an insulating tape.
4. The transformer for effectively increasing creepage distance according to any one of claims 1 to 3, wherein the secondary coil is externally coated with an insulating tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920984609.5U CN210110496U (en) | 2019-06-27 | 2019-06-27 | Transformer capable of effectively increasing creepage distance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920984609.5U CN210110496U (en) | 2019-06-27 | 2019-06-27 | Transformer capable of effectively increasing creepage distance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210110496U true CN210110496U (en) | 2020-02-21 |
Family
ID=69565190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920984609.5U Expired - Fee Related CN210110496U (en) | 2019-06-27 | 2019-06-27 | Transformer capable of effectively increasing creepage distance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210110496U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113496802A (en) * | 2020-03-19 | 2021-10-12 | 昱京科技股份有限公司 | Combined structure of resonant transformer |
-
2019
- 2019-06-27 CN CN201920984609.5U patent/CN210110496U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113496802A (en) * | 2020-03-19 | 2021-10-12 | 昱京科技股份有限公司 | Combined structure of resonant transformer |
| CN113496802B (en) * | 2020-03-19 | 2022-08-30 | 昱京科技股份有限公司 | Combined structure of resonant transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200221 Termination date: 20200627 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |