CN203983012U - Ultrathin transformer - Google Patents
Ultrathin transformer Download PDFInfo
- Publication number
- CN203983012U CN203983012U CN201420341361.8U CN201420341361U CN203983012U CN 203983012 U CN203983012 U CN 203983012U CN 201420341361 U CN201420341361 U CN 201420341361U CN 203983012 U CN203983012 U CN 203983012U
- Authority
- CN
- China
- Prior art keywords
- pcb board
- hole
- stem
- winding line
- cover plate
- 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.)
- Expired - Lifetime
Links
- 238000004804 winding Methods 0.000 claims abstract description 47
- 239000000758 substrate Substances 0.000 claims abstract description 26
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000005530 etching Methods 0.000 claims abstract description 11
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 claims abstract description 7
- 238000009413 insulation Methods 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000004907 flux Effects 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012811 non-conductive material Substances 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The utility model discloses a kind of Ultrathin transformer, includes magnetic core and at least one pcb board, the upper and lower surface of this pcb board runs through and is formed with through hole, and at least one surface of pcb board, etching is formed with spiral helicine winding line, this magnetic core includes pedestal and cover plate, and this pedestal includes substrate and stem stem, and this stem stem is suitable with through hole and through through hole and being fixedly connected with cover plate, by this, by form spiral helicine winding line at least one surface of pcb board, pcb board and magnetic core strong bonded also can be played a supporting role to magnetic core, without being set in addition, support carrys out bearing magnetic core, so make the thickness of transformer become thinner, effectively reduce the overall volume of transformer, the installing space occupying is less, winding line has good systematicness and stability simultaneously, make consistency and the stability of magnetic flux of generation better, the serviceability of improving product, and winding line can not form intensive iterative structure, make distributed capacitance little, leakage inductance is little, application frequency range is wider.
Description
Technical field
The utility model relates to field transformer technology, refers in particular to a kind of Ultrathin transformer.
Background technology
Transformer is the device of conversion alternating voltage, alternating current and impedance, in the time being connected with alternating current in primary coil, in iron core (or magnetic core), just produces exchange flux, makes to induce in secondary coil voltage (or electric current).
Transformer generally comprises cored (or magnetic core) and coil, in prior art, normally adopt copper conductor to carry out coiling, coil is closely wound on iron core (or magnetic core), because iron core (or magnetic core) and coil are all without any support, therefore, support need to be set, this support is mainly used in carrying iron core (or magnetic core), so just make the thickness of transformer become large, and it is large that the overall volume of product also becomes, occupy larger installing space, simultaneously, because the coiling of coil exists scrambling and unsteadiness, make the magnetic flux producing have all poor problems of consistency and stability, thereby affect the serviceability of product, in addition, due to the intensive superimposed coiling of coil, make easily to occur that distributed capacitance is large, leakage inductance is large, the narrow phenomenon of application frequency range.
Utility model content
In view of this, the utility model is for the disappearance of prior art existence, and its main purpose is to provide a kind of Ultrathin transformer, and it can effectively solve existing transformer and have the problem that thickness is large, volume is large and serviceability is bad.
For achieving the above object, the utility model adopts following technical scheme:
A kind of Ultrathin transformer, includes magnetic core and at least one pcb board; The upper and lower surface of this pcb board runs through and is formed with through hole, and at least one surface of pcb board, etching is formed with spiral helicine winding line, and winding line is around the periphery of through hole; This magnetic core includes pedestal and cover plate, this pedestal include substrate and on substrate surface extended stem stem, this stem stem is suitable with through hole and through through hole and being fixedly connected with cover plate, this pcb board is located between substrate and cover plate.
As a kind of preferred version, on the surface of described substrate, be concaved with location notch, the end of this stem stem is embedded in location notch and is fixedly connected with.
As a kind of preferred version, described through hole is circular port, and this stem stem is cylinder, and the external diameter of stem stem equals the internal diameter of through hole.
As a kind of preferred version, the upper and lower surface of described pcb board runs through and is formed with two arc-shaped slots, this two arc-shaped slots radial symmetric is arranged at the both sides of through hole, and two arc-shaped slots are all positioned at the periphery of winding line, all extend at the two ends of this substrate arc piece, and arc piece is suitable with arc-shaped slot and through arc-shaped slot and being fixedly connected with cover plate.
As a kind of preferred version, on the surface of described cover plate, be concaved with arc positioning groove, the end of arc piece is embedded in arc positioning groove and is fixedly connected with.
As a kind of preferred version, the equal etching of the upper and lower surface of described pcb board is formed with the winding line of said spiral shape.
As a kind of preferred version, described pcb board is multiple, multiple pcb boards are folded to be located at together, and be provided with aforementioned through-hole on each pcb board, on at least one surface of each pcb board, etching is formed with the winding line of said spiral shape, this stem stem is fixedly connected with cover plate through multiple through holes, and multiple pcb boards are located between substrate and cover plate.
As a kind of preferred version, the surface coverage of described winding line has one deck insulation film.
A kind of Ultrathin transformer, includes magnetic core and at least one pcb board; The upper and lower surface of this pcb board runs through and is formed with through hole, and is concaved with helical groove at least one surface of pcb board, is filled with conducting metal and forms winding line in this helical groove, and winding line is around the periphery of through hole; This magnetic core includes pedestal and cover plate, this pedestal include substrate and on substrate surface extended stem stem, this stem stem is suitable with through hole and through through hole and being fixedly connected with cover plate, this pcb board is located between substrate and cover plate.
As a kind of preferred version, the surface of described pcb board is provided with one deck insulation film, and this insulation film covers winding line.
The utility model compared with prior art has obvious advantage and beneficial effect, particularly, and as shown from the above technical solution:
By form spiral helicine winding line at least one surface of pcb board, replace the mode that adopts copper conductor coiling of tradition, pcb board and magnetic core strong bonded also can be played a supporting role to magnetic core, without being set in addition, support carrys out bearing magnetic core, so make the thickness of transformer become thinner, effectively reduce the overall volume of transformer, the installing space occupying is less, winding line has good systematicness and stability simultaneously, make consistency and the stability of magnetic flux of generation better, the serviceability of improving product, and winding line can not form intensive iterative structure, make distributed capacitance little, leakage inductance is little, application frequency range is wider.
For more clearly setting forth architectural feature of the present utility model and effect, below in conjunction with accompanying drawing and specific embodiment, the utility model is elaborated.
Brief description of the drawings
Fig. 1 is the front view of pcb board in first preferred embodiment of the utility model;
Fig. 2 is the sectional view of A-A direction in Fig. 1;
Fig. 3 is the overall package sectional view of the first preferred embodiment product of the utility model;
Fig. 4 is the overall package sectional view of the second preferred embodiment product of the utility model;
Fig. 5 is the overall package sectional view of the 3rd preferred embodiment product of the utility model;
Fig. 6 is the overall package sectional view of the 4th preferred embodiment product of the utility model.
Accompanying drawing identifier declaration:
10, pcb board 11, through hole
12, arc-shaped slot 13, helical groove
20, magnetic core 21, pedestal
211, substrate 212, stem stem
213, arc piece 22, cover plate
201, location notch 202, arc positioning groove
30, winding line 40, insulation film
50, winding line 60, insulation film.
Embodiment
Please refer to shown in Fig. 1 to Fig. 3, the concrete structure that it has demonstrated first preferred embodiment of the utility model, includes pcb board 10 and magnetic core 20.
Wherein, the upper and lower surface of this pcb board 10 runs through and is formed with through hole 11, and at least one surface of pcb board 10, etching is formed with spiral helicine winding line 30, and winding line 30 is copper material, and winding line 30 is around the periphery of through hole 11.
This magnetic core 20 includes pedestal 21 and cover plate 22, this pedestal 21 includes substrate 211 and extended stem stems 212 on substrate 211 surfaces, this stem stem 212 is suitable with through hole 11 and through through hole 11 and being fixedly connected with cover plate 22, and this pcb board 10 is located between substrate 211 and cover plate 22.In the present embodiment, be concaved with location notch 201 on the surface of this substrate 211, the end of this stem stem 212 is embedded in location notch 201 and is fixedly connected with, and by location notch 201 is set, can realize stem stem 212 location and installation on cover plate 22; And in the present embodiment, this through hole 11 is circular port, this stem stem 212 is cylinder, and the external diameter of stem stem 212 equals the internal diameter of through hole 11, to realize combining closely of magnetic core 20 and pcb board 10.
In addition, the upper and lower surface of this pcb board 10 runs through and is formed with two arc-shaped slots 12, these two arc-shaped slots, 12 radial symmetric are arranged at the both sides of through hole 11, and two arc-shaped slots 12 are all positioned at the periphery of winding line 30, all extend at the two ends of this substrate 211 arc piece 213, arc piece 213 is suitable with arc-shaped slot 12 and through arc-shaped slot 12 and being fixedly connected with cover plate 22, and, on the surface of this cover plate 22, be concaved with arc positioning groove 202, the end of arc piece 213 is embedded in arc positioning groove 202 and is fixedly connected with, so can realize the accurate assembling of product, and make magnetic core 20 more firm with the combination of pcb board 10.
In addition, the surface coverage of this winding line 30 has one deck insulation film 40, so that winding line 30 is isolated with magnetic core 20, certainly, if magnetic core 20 is non-conductive material, insulation film 40 can be set, not to be limited.
When making, first form winding line 30 at the surface etching of pcb board 10, then, on pcb board 10, offer through hole 11 and arc-shaped slot 12, then, at surface coverage one deck insulation film 40 of winding line 30, then, stem stem 212 is passed to through hole 11, arc piece 213 is through corresponding arc-shaped slot 12 simultaneously, and the end that makes stem stem 212 embeds in location notch 201 and be fixedly connected with, the end of arc piece 213 is embedded in arc positioning groove 202 and is fixedly connected with, and so just can realize making and the assembling of product.
Please refer to shown in Fig. 4, it has demonstrated the concrete structure of second preferred embodiment of the utility model, and the concrete structure of the concrete structure of the present embodiment and aforementioned the first preferred embodiment is basic identical, and its difference is:
In the present embodiment, the equal etching of the upper and lower surface of this pcb board 10 is formed with the winding line 30 of said spiral shape, so can form more winding, can set as required, to meet the requirement of different circuit.
The making of the making of the present embodiment and assembling and aforementioned the first preferred embodiment and assemble basic identical, the making at this to the present embodiment and assembling do not describe in detail.
Please refer to shown in Fig. 5, it has demonstrated the concrete structure of the 3rd preferred embodiment of the utility model, and the concrete structure of the concrete structure of the present embodiment and aforementioned the first preferred embodiment is basic identical, and its difference is:
In the present embodiment, this pcb board 10 is multiple, the pcb board 10 showing in Fig. 5 is two, but be not limited to two, folded being located at together of the plurality of pcb board 10, and be provided with aforementioned through-hole 11 on each pcb board 10, at least one surface of each pcb board 10, etching is formed with the winding line 30 of said spiral shape, this stem stem 212 is fixedly connected with cover plate 22 through multiple through holes 11, and multiple pcb boards 10 are located between substrate 211 and cover plate 22.So, the product in relative the first preferred embodiment of product in the present embodiment has more winding, can increase as required or reduce, to meet the requirement of different circuit.
The making of the making of the present embodiment and assembling and aforementioned the first preferred embodiment and assemble basic identical, the making at this to the present embodiment and assembling do not describe in detail.
Please refer to shown in Fig. 6, it has demonstrated the concrete structure of the 4th preferred embodiment of the utility model, and the concrete structure of the concrete structure of the present embodiment and aforementioned the first preferred embodiment is basic identical, and its difference is:
In the present embodiment, on at least one surface of this pcb board 10, be concaved with helical groove 13, in this helical groove 13, be filled with conducting metal and form winding line 50, winding line 50 is around the periphery of through hole 11, so, make winding line 30 be accommodated in the lower face of pcb board 10, make product can do thinlyyer, and circuit is also more firmly with stable.
And the surface of this pcb board 10 is provided with one deck insulation film 60, this insulation film 60 covers winding line 50.
When making, first offer helical groove 13 on the surface of pcb board 10, then, in helical groove 13, be filled with conducting metal and form winding line 50, then, on pcb board 10, offer through hole 11 and arc-shaped slot 12, then, at surface coverage one deck insulation film 60 of pcb board 10, then, assembling magnetic core 20, its assemble method is identical with the assemble method of aforementioned the first preferred embodiment, and the assembling process at this to magnetic core 20 does not describe in detail.
Design focal point of the present utility model is: by form spiral helicine winding line at least one surface of pcb board, replace the mode that adopts copper conductor coiling of tradition, pcb board and magnetic core strong bonded also can be played a supporting role to magnetic core, without being set in addition, support carrys out bearing magnetic core, so make the thickness of transformer become thinner, effectively reduce the overall volume of transformer, the installing space occupying is less, winding line has good systematicness and stability simultaneously, make consistency and the stability of magnetic flux of generation better, the serviceability of improving product, and winding line can not form intensive iterative structure, make distributed capacitance little, leakage inductance is little, application frequency range is wider.
The above, it is only preferred embodiment of the present utility model, not technical scope of the present utility model is imposed any restrictions, therefore any trickle amendment, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of technical solutions of the utility model.
Claims (10)
1. a Ultrathin transformer, is characterized in that: include magnetic core and at least one pcb board; The upper and lower surface of this pcb board runs through and is formed with through hole, and at least one surface of pcb board, etching is formed with spiral helicine winding line, and winding line is around the periphery of through hole; This magnetic core includes pedestal and cover plate, this pedestal include substrate and on substrate surface extended stem stem, this stem stem is suitable with through hole and through through hole and being fixedly connected with cover plate, this pcb board is located between substrate and cover plate.
2. Ultrathin transformer according to claim 1, is characterized in that: on the surface of described substrate, be concaved with location notch, the end of this stem stem is embedded in location notch and is fixedly connected with.
3. Ultrathin transformer according to claim 1, is characterized in that: described through hole is circular port, and this stem stem is cylinder, and the external diameter of stem stem equals the internal diameter of through hole.
4. Ultrathin transformer according to claim 1, it is characterized in that: the upper and lower surface of described pcb board runs through and is formed with two arc-shaped slots, this two arc-shaped slots radial symmetric is arranged at the both sides of through hole, and two arc-shaped slots are all positioned at the periphery of winding line, all extend at the two ends of this substrate arc piece, and arc piece is suitable with arc-shaped slot and through arc-shaped slot and being fixedly connected with cover plate.
5. Ultrathin transformer according to claim 4, is characterized in that: on the surface of described cover plate, be concaved with arc positioning groove, the end of arc piece is embedded in arc positioning groove and is fixedly connected with.
6. Ultrathin transformer according to claim 1, is characterized in that: the equal etching of upper and lower surface of described pcb board is formed with the winding line of said spiral shape.
7. Ultrathin transformer according to claim 1, it is characterized in that: described pcb board is multiple, multiple pcb boards are folded to be located at together, and be provided with aforementioned through-hole on each pcb board, on at least one surface of each pcb board, etching is formed with the winding line of said spiral shape, this stem stem is fixedly connected with cover plate through multiple through holes, and multiple pcb boards are located between substrate and cover plate.
8. Ultrathin transformer according to claim 1, is characterized in that: the surface coverage of described winding line has one deck insulation film.
9. a Ultrathin transformer, is characterized in that: include magnetic core and at least one pcb board; The upper and lower surface of this pcb board runs through and is formed with through hole, and is concaved with helical groove at least one surface of pcb board, is filled with conducting metal and forms winding line in this helical groove, and winding line is around the periphery of through hole; This magnetic core includes pedestal and cover plate, this pedestal include substrate and on substrate surface extended stem stem, this stem stem is suitable with through hole and through through hole and being fixedly connected with cover plate, this pcb board is located between substrate and cover plate.
10. Ultrathin transformer according to claim 9, is characterized in that: the surface of described pcb board is provided with one deck insulation film, and this insulation film covers winding line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341361.8U CN203983012U (en) | 2014-06-25 | 2014-06-25 | Ultrathin transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420341361.8U CN203983012U (en) | 2014-06-25 | 2014-06-25 | Ultrathin transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983012U true CN203983012U (en) | 2014-12-03 |
Family
ID=51980440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420341361.8U Expired - Lifetime CN203983012U (en) | 2014-06-25 | 2014-06-25 | Ultrathin transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983012U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112576A (en) * | 2014-06-25 | 2014-10-22 | 东莞联宝光电科技有限公司 | Ultra-thin transformer |
-
2014
- 2014-06-25 CN CN201420341361.8U patent/CN203983012U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112576A (en) * | 2014-06-25 | 2014-10-22 | 东莞联宝光电科技有限公司 | Ultra-thin transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141203 |