CN105679515A - Transformer and bobbin thereof - Google Patents
Transformer and bobbin thereof Download PDFInfo
- Publication number
- CN105679515A CN105679515A CN201410658703.3A CN201410658703A CN105679515A CN 105679515 A CN105679515 A CN 105679515A CN 201410658703 A CN201410658703 A CN 201410658703A CN 105679515 A CN105679515 A CN 105679515A
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- connects
- pin
- lead frame
- connection section
- wire
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Abstract
The invention relates to a transformer and a bobbin thereof. The transformer comprises a base, a first pin unit and a second pin unit, wherein the base comprises a first surface, a first side and a second side, the first pin unit is connected with the first side and comprises a first connection part, the first connection is connected with the base and comprises a first reinforcement structure, the first reinforcement structure protrudes out of the first surface, the first reinforcement structure is provided with a first side wall, the first side wall is connected with the first surface, a first connection line exists at a position where the first side wall and the first surface are connected, the first connection line is not a straight line, and a second pin unit is connected with the second side.
Description
Technical field
The present invention relates to a kind of lead frame, in particular to a kind of transformer and lead frame thereof.
Background technology
The lead frame (bobbin) of existing transformer, generally with plastics forming, it comprises base portion (base) and lead frame blade, and lead frame blade connects base portion in integrated mode. In the prior art, in order to the structural strength guaranteed between lead frame blade and base portion, lead frame blade has sizable part overlapping with base portion, to guarantee bonded area between the two. If saving the use of plastics and arbitrarily reducing the bonded area between lead frame blade and base portion, will make lead frame blade easily because external force bends with base section from.
Summary of the invention
It is an object of the invention to propose a kind of transformer, with solve transformer in prior art lead frame blade easily because external force bending and with base section from technical problem.
Following technical scheme is adopted for solving the problems of the technologies described above the present invention:
The present invention provides a kind of transformer, comprises one first housing, one the 2nd housing, a coil and a lead frame. First housing has a magnetic axis. This magnetic axis of coil encircling. Wire erection is between this first housing and the 2nd housing, and this coil connects this lead frame, and wherein, this lead frame comprises a base portion, one first and connects pin unit and the 2nd and connect pin unit. Base portion comprises one first surface, one first side and one the 2nd side. First connects pin unit connects this first side, wherein, this first connects pin unit and comprises one first connection section, and this first connection section connects this base portion, wherein, this first connection section comprises one first enhancing structure, this the first enhancing structure protrudes from this first surface, and this first enhancing structure has one first sidewall, and this first sidewall connects this first surface, one first wire is present in the junction on this first sidewall and this first surface, this first wire non-rectilinear. 2nd connects pin unit connects the 2nd side.
In one embodiment, this first connects pin unit and comprises multiple first pin pin. This first connects pin unit and comprises one first extension portion, and this first extension portion connects this first connection section, and described multiple first pin pin part is embedded among this first extension portion.
In one embodiment, this first extension portion comprises one first groove hole.
In one embodiment, 2nd connects pin unit comprises one the 2nd connection section, 2nd connection section connects this base portion, wherein, the 2nd connection section comprises one the 2nd enhancing structure, and the 2nd enhancing structure protrudes from this first surface, 2nd enhancing structure has one the 2nd sidewall, 2nd sidewall connects this first surface, and one the 2nd wire is present in the junction on the 2nd sidewall and this first surface, the 2nd wire non-rectilinear.
In one embodiment, the 2nd connect pin unit and comprise multiple 2nd pin pin. 2nd connects pin unit comprises one the 2nd extension portion, and the 2nd extension portion connects the 2nd connection section, and described multiple 2nd pin pin part is embedded among the 2nd extension portion.
In one embodiment, the 2nd extension portion comprises one the 2nd groove hole.
In one embodiment, this first wire comprises circular arc line, and the 2nd wire comprises circular arc line.
In another embodiment, this first wire comprises sawtooth line, and the 2nd wire comprises sawtooth line.
For solving the problems of the technologies described above, the technical scheme that the present invention proposes also comprises: propose a kind of lead frame, comprises a base portion, one first and connects pin unit and the 2nd and connect pin unit. Base portion comprises one first surface, one first side and one the 2nd side. First connects pin unit connects this first side, wherein, this first connects pin unit and comprises one first connection section, and this first connection section connects this base portion, wherein, this first connection section comprises one first enhancing structure, this the first enhancing structure protrudes from this first surface, and this first enhancing structure has one first sidewall, and this first sidewall connects this first surface, one first wire is present in the junction on this first sidewall and this first surface, this first wire non-rectilinear. 2nd connects pin unit connects the 2nd side.
Application one embodiment of the invention, this first enhancing structure and the 2nd enhancing structure are the projective structure of circular arc, and this first wire comprises circular arc line, and the 2nd wire comprises circular arc line. Being designed by the wire of above-mentioned non-rectilinear formula, lead frame can save the plastics (such as, the plastics of the first enhancing structure both sides) of part, but still can maintain first and connect pin unit and the 2nd and connect the bonding strength between pin unit and base portion. Therefore can reach save cost, lightweight and do not lose the design of structural strength.
Accompanying drawing explanation
Figure 1A shows the combination figure of the transformer of first embodiment of the invention.
Figure 1B shows the explosive view of the transformer of first embodiment of the invention.
Fig. 1 C show first embodiment of the invention lead frame face upward diagram.
Fig. 2 A shows the combination figure of the transformer of second embodiment of the invention.
Fig. 2 B shows the explosive view of the transformer of second embodiment of the invention.
Fig. 2 C show second embodiment of the invention lead frame face upward diagram.
Wherein, description of reference numerals is as follows:
1,1 '～transformer
10～the first housings
20～two housing
30～coil
100,100 '～lead frame
110～the first connect pin unit
111～the first connection sections
112, the 112 '～the first enhancing structure
113, the 113 '～the first sidewall
114, the 114 '～the first wire
115～the first pin pins
116～the first extension portions
117～the first groove holes
120～two connects pin unit
121～two connection section
122, the 122 '～two enhancing structure
123, the 123 '～two sidewall
124, the 124 '～two wire
125～two pin pin
126～two extension portion
127～two groove hole
130～base portion
131～the first sides
132～two side
133～the first surfaces
A～magnetic axis
Embodiment
With reference to Figure 1A, Figure 1B, the transformer 1 of its display first embodiment of the invention comprises one first housing 10, the 2nd housing 20, coil 30 and a lead frame 100. First housing 10 has a magnetic axis A. Coil 30 is around this magnetic axis A. Lead frame 100 is located between this first housing 10 and the 2nd housing 20, and this coil 30 connects this lead frame 100, and wherein, this lead frame 100 comprises a base portion 130,1 first and connects pin unit 110 and the 2nd and connect pin unit 120.Base portion 130 comprises one first side, surface 133,1 first 131 and one the 2nd side 132. First connects pin unit 110 connects this first side 131, wherein, this first connects pin unit 110 and comprises one first connection section 111, this first connection section 111 connects this base portion 130, wherein, this first connection section 111 comprises one first enhancing structure 112, this the first enhancing structure 112 protrudes from this first surface 133, this the first enhancing structure 112 has one first sidewall 113, this first sidewall 113 connects this first surface 133, one first wire 114 is present in the junction of this first sidewall 113 with this first surface 133, and this first wire 114 is non-rectilinear also. 2nd connects pin unit 120 connects the 2nd side 132.
In one embodiment, this first connection section 111 connects this base portion 130 in integrated mode.
In one embodiment, this first connects pin unit 110 and comprises multiple first pin pin 115. This first connects pin unit 110 and comprises one first extension portion 116, and this first extension portion 116 connects this first connection section 111, and multiple first pin pin 115 part is embedded among this first extension portion 116.
In one embodiment, this first extension portion 116 comprises one first groove hole 117. First groove hole 117 can be saved material and reduce costs and weight.
Collocation is with reference to Figure 1B, Fig. 1 C, in one embodiment, 2nd connects pin unit 120 comprises one the 2nd connection section 121,2nd connection section 121 connects this base portion 130, wherein, 2nd connection section 121 comprises one the 2nd enhancing structure 122,2nd enhancing structure 122 protrudes from this first surface 133,2nd enhancing structure 122 has one the 2nd sidewall 123,2nd sidewall 123 connects this first surface 133, one the 2nd wire 124 is present in the junction of the 2nd sidewall 123 with this first surface 133, and the 2nd wire 124 is non-rectilinear also. In one embodiment, the 2nd connection section 121 connects this base portion 130 in integrated mode.
In one embodiment, the 2nd connect pin unit 120 and comprise multiple 2nd pin pin 125. 2nd connects pin unit 120 comprises one the 2nd extension portion 126 of extension portion the 126, two and connects the 2nd connection section 121, and multiple 2nd pin pin 125 part is embedded among the 2nd extension portion 126.
In one embodiment, the 2nd extension portion 126 comprises one the 2nd groove hole 127. 2nd groove hole 127 can be saved material and reduce costs and weight.
In the first embodiment, this first enhancing structure 112 and the 2nd enhancing structure 122 are the projective structure of circular arc, and this first wire comprises circular arc line, and the 2nd wire comprises circular arc line. Designed by the wire of above-mentioned non-rectilinear formula, lead frame 100 can save plastics partly (such as, the plastics of the first enhancing structure 112 both sides), but still can maintain first and connect pin unit 110 and the 2nd and connect the bonding strength between pin unit 120 and base portion 130. Therefore can reach save cost, lightweight and do not lose the design of structural strength.
Although, in the first embodiment, this first wire and the 2nd wire comprise circular arc line, and right foregoing description does not limit the present invention. With reference to Fig. 2 A, Fig. 2 B, the transformer 1 ' of its display second embodiment of the invention comprises one first housing 10, the 2nd housing 20, coil 30 and a lead frame 100 '. First housing 10 has a magnetic axis A. Coil 30 is around this magnetic axis A. Lead frame 100 ' is located between this first housing 10 and the 2nd housing 20, and this coil 30 connects this lead frame 100 ', and wherein, this lead frame 100 ' comprises a base portion 130,1 first and connects pin unit 110 and the 2nd and connect pin unit 120.Base portion 130 comprises one first side, surface 133,1 first 131 and one the 2nd side 132. first connects pin unit 110 connects this first side 131, wherein, this first connects pin unit 110 and comprises one first connection section 111, this first connection section 111 connects this base portion 130, wherein, this first connection section 111 comprises one first enhancing structure 112 ', this the first enhancing structure 112 ' protrudes from this first surface 133, this the first enhancing structure 112 ' has one first sidewall 113 ', this first sidewall 113 ' connects this first surface 133, one first wire 114 ' is present in the junction of this first sidewall 113 ' with this first surface 133, this first wire 114 ' non-rectilinear. 2nd connects pin unit 120 connects the 2nd side 132.
In one embodiment, this first connects pin unit 110 and comprises multiple first pin pin 115. This first connects pin unit 110 and comprises one first extension portion 116, and this first extension portion 116 connects this first connection section 111, and multiple first pin pin 115 part is embedded among this first extension portion 116.
In one embodiment, this first extension portion 116 comprises one first groove hole 117. First groove hole 117 can be saved material and reduce costs and weight.
Collocation is with reference to Fig. 2 B, Fig. 2 C, in one embodiment, 2nd connects pin unit 120 comprises one the 2nd connection section 121, 2nd connection section 121 connects this base portion 130, wherein, 2nd connection section 121 comprises one the 2nd enhancing structure 122 ', 2nd enhancing structure 122 ' protrudes from this first surface 133, 2nd enhancing structure 122 ' has one the 2nd sidewall 123 ', 2nd sidewall 123 ' connects this first surface 133, one the 2nd wire 124 ' is present in the junction of the 2nd sidewall 123 ' with this first surface 133, 2nd wire 124 ' non-rectilinear.
In one embodiment, the 2nd connect pin unit 120 and comprise multiple 2nd pin pin 125. 2nd connects pin unit 120 comprises one the 2nd extension portion 126 of extension portion the 126, two and connects the 2nd connection section 121, and multiple 2nd pin pin 125 part is embedded among the 2nd extension portion 126.
In one embodiment, the 2nd extension portion 126 comprises one the 2nd groove hole 127. 2nd groove hole 127 can be saved material and reduce costs and weight.
In the first embodiment, the projective structure that this first enhancing structure 112 ' and the 2nd enhancing structure 122 ' are zig-zag, this first wire comprises sawtooth line, and the 2nd wire comprises sawtooth line. Designed by the wire of above-mentioned non-rectilinear formula, lead frame 100 ' can save plastics partly (such as, plastics between two sawtooth), but still can maintain first and connect pin unit 110 and the 2nd and connect the bonding strength between pin unit 120 and base portion 130. Therefore can reach save cost, lightweight and do not lose the design of structural strength.
Although the present invention describes as above with concrete better embodiment; so itself and be not used to limit the present invention; any those skilled in the art; without departing from the spirit and scope of the present invention; still can doing a little change and retouching, therefore protection scope of the present invention ought be as the criterion depending on the scope that accompanying claim book defines.
Claims (18)
1. a lead frame, comprising:
One base portion, comprises one first surface, one first side and one the 2nd side;
One first connects pin unit, connecting this first side, wherein, this first connects pin unit and comprises one first connection section, this first connection section connects this base portion, wherein, this first connection section comprises one first enhancing structure, and this first enhancing structure protrudes from this first surface, this the first enhancing structure has one first sidewall, this first sidewall connects this first surface, and one first wire is present in the junction on this first sidewall and this first surface, this first wire non-rectilinear;And
One the 2nd connects pin unit, connects the 2nd side.
2. lead frame as claimed in claim 1, wherein, this first wire comprises sawtooth line.
3. lead frame as claimed in claim 1, wherein, this first wire comprises circular arc line.
4. lead frame as claimed in claim 1, wherein, this first connects pin unit and comprises multiple first pin pin.
5. lead frame as claimed in claim 4, wherein, this first connects pin unit and comprises one first extension portion, and this first extension portion connects this first connection section, and described multiple first pin pin part is embedded among this first extension portion.
6. lead frame as claimed in claim 5, wherein, this first extension portion comprises one first groove hole.
7. lead frame as claimed in claim 1, wherein, 2nd connects pin unit comprises one the 2nd connection section, and the 2nd connection section connects this base portion, wherein, 2nd connection section comprises one the 2nd enhancing structure, 2nd enhancing structure protrudes from this first surface, and the 2nd enhancing structure has one the 2nd sidewall, and the 2nd sidewall connects this first surface, one the 2nd wire is present in the junction on the 2nd sidewall and this first surface, the 2nd wire non-rectilinear.
8. lead frame as claimed in claim 7, wherein, the 2nd wire comprises sawtooth line.
9. lead frame as claimed in claim 7, wherein, the 2nd wire comprises circular arc line.
10. lead frame as claimed in claim 7, wherein, the 2nd connects pin unit comprises multiple 2nd pin pin.
11. lead frames as claimed in claim 10, wherein, the 2nd connects pin unit comprises one the 2nd extension portion, and the 2nd extension portion connects the 2nd connection section, and described multiple 2nd pin pin part is embedded among the 2nd extension portion.
12. lead frames as claimed in claim 11, wherein, the 2nd extension portion comprises one the 2nd groove hole.
13. 1 kinds of transformers, comprising:
One first housing, has a magnetic axis;
One the 2nd housing;
One coil, around this magnetic axis; And
One lead frame, is located between this first housing and the 2nd housing, and this coil connects this lead frame, and wherein, this lead frame comprises:
One base portion, comprises one first surface, one first side and one the 2nd side;
One first connects pin unit, connecting this first side, wherein, this first connects pin unit and comprises one first connection section, this first connection section connects this base portion, wherein, this first connection section comprises one first enhancing structure, and this first enhancing structure protrudes from this first surface, this the first enhancing structure has one first sidewall, this first sidewall connects this first surface, and one first wire is present in the junction on this first sidewall and this first surface, this first wire non-rectilinear; And
One the 2nd connects pin unit, connects the 2nd side.
14. transformers as claimed in claim 13, wherein, this first wire comprises sawtooth line.
15. transformers as claimed in claim 13, wherein, this first wire comprises circular arc line.
16. transformers as claimed in claim 13, wherein, this first connects pin unit and comprises multiple first pin pin.
17. transformers as claimed in claim 16, wherein, this first connects pin unit and comprises one first extension portion, and this first extension portion connects this first connection section, and described multiple first pin pin part is embedded among this first extension portion.
18. transformers as claimed in claim 17, wherein, this first extension portion comprises one first groove hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658703.3A CN105679515A (en) | 2014-11-18 | 2014-11-18 | Transformer and bobbin thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410658703.3A CN105679515A (en) | 2014-11-18 | 2014-11-18 | Transformer and bobbin thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105679515A true CN105679515A (en) | 2016-06-15 |
Family
ID=56944268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410658703.3A Pending CN105679515A (en) | 2014-11-18 | 2014-11-18 | Transformer and bobbin thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105679515A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070075812A1 (en) * | 2005-09-30 | 2007-04-05 | Leader Electronics, Inc. | Transformer |
| CN101170010A (en) * | 2007-08-14 | 2008-04-30 | 康舒科技股份有限公司 | Thin transformer and transformer component |
| CN101202159A (en) * | 2006-10-27 | 2008-06-18 | Tdk株式会社 | Planar coil component, method for winding end connection thereof and resonance transformer |
| TW201128665A (en) * | 2010-02-06 | 2011-08-16 | Delta Electronics Inc | Magnetic device and bobbin thereof |
| CN102856051A (en) * | 2011-06-30 | 2013-01-02 | 三星电机株式会社 | Transformer and display device using the same |
-
2014
- 2014-11-18 CN CN201410658703.3A patent/CN105679515A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070075812A1 (en) * | 2005-09-30 | 2007-04-05 | Leader Electronics, Inc. | Transformer |
| CN101202159A (en) * | 2006-10-27 | 2008-06-18 | Tdk株式会社 | Planar coil component, method for winding end connection thereof and resonance transformer |
| CN101170010A (en) * | 2007-08-14 | 2008-04-30 | 康舒科技股份有限公司 | Thin transformer and transformer component |
| TW201128665A (en) * | 2010-02-06 | 2011-08-16 | Delta Electronics Inc | Magnetic device and bobbin thereof |
| CN102856051A (en) * | 2011-06-30 | 2013-01-02 | 三星电机株式会社 | Transformer and display device using the same |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160615 |