CN208985839U - A kind of low-mounting height magnetic sheet transformer - Google Patents
A kind of low-mounting height magnetic sheet transformer Download PDFInfo
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- CN208985839U CN208985839U CN201821960362.5U CN201821960362U CN208985839U CN 208985839 U CN208985839 U CN 208985839U CN 201821960362 U CN201821960362 U CN 201821960362U CN 208985839 U CN208985839 U CN 208985839U
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Abstract
The utility model relates to transformer technology fields, and in particular to a kind of low-mounting height magnetic sheet transformer, it is characterised in that: including upper and lower two symmetrical upper E-type magnetic cores and lower E-type magnetic core；Multi-layer PCB copper-clad plate is equipped between the upper E-type magnetic core and lower E-type magnetic core；Each PCB copper-clad plate includes pcb board and the winding that is etched on pcb board；Each pcb board and each winding are equipped with through-hole；The low-mounting height magnetic sheet transformer includes conductive column；The conductive column is arranged in the through-hole of each pcb board and the through-hole of each winding.The utility model is used etches corresponding windings the number of turns on pcb board, and flat surface transformer can be made to reach, and highly integrated modularization, power density maximizes and the standardized effect of manufacture craft；In addition its electric connecting point part is interspersed to realize conducting by using conductive column, instead of traditional welding procedure, improves production efficiency.
Description
Technical field
The utility model relates to transformer technology fields, and in particular to a kind of low-mounting height magnetic sheet transformer.
Background technique
Existing magnetic sheet flat surface transformer (especially high current, high power occasion), mostly using copper sheet as former/secondary side
Multiple this windings are stacked, transformer are then formed together with magnetic core by winding.Due to current flat surface transformer knot
Structure design is complex, is generally closed with pcb board or ledger line loop knot, using opening, artificial stack assembly, each electric connecting point of winding
By external connection, and using traditional heating welding (silver or tin) technique, so flat surface transformer is in structure and handicraft design
On need to reserve biggish welding space, cause the power density of flat surface transformer that cannot reach maximization.Secondly as this is passed
Unite welding procedure, loaded onto component group and need a large amount of skilled assemblers' assemblings, will affect transformer cost of manufacture and can
By property.Furthermore the difference and welding material that are controlled due to conventional bonding technique by welding temperature, time and bond pattern etc.
Factor influences, and may result in each electric connecting point resistance value and increases and unstable, so that the electric current for influencing each winding passes through energy
Power and reliability, and then influence the quality of flat surface transformer.
Utility model content
The purpose of this utility model is to provide a kind of low-mounting height magnetic sheet for above-mentioned deficiency in the prior art
Transformer.
The purpose of this utility model is achieved through the following technical solutions: a kind of low-mounting height magnetic sheet transformer, including
Upper and lower two symmetrical upper E-type magnetic cores and lower E-type magnetic core；It is covered between the upper E-type magnetic core and lower E type magnetic core equipped with multi-layer PCB
Copper sheet；
Each PCB copper-clad plate includes pcb board and the winding that is etched on pcb board；Each PCB plate and each
Winding is equipped with through-hole；
The low-mounting height magnetic sheet transformer includes the conduction for each pcb board and each winding to be realized to conducting
Column；The conductive column is arranged in the through-hole of each pcb board and the through-hole of each winding.
The utility model is further arranged to, and the conductive column includes head and bar portion；Each PCB plate leads to
The through-hole of hole and each winding is sheathed in bar portion；The upper end of the bar portion is equipped with upper limit ring；The lower end of the bar portion is set
There is lower limit ring.
The utility model is further arranged to, and the upper E-type magnetic core is detachably connected with lower E-type magnetic core.
The utility model is further arranged to, and the material of the winding is copper.
The utility model is further arranged to, and the junction of the upper E-type magnetic core and lower E-type magnetic core is equipped with convex stupefied.
The utility model is further arranged to, and the pcb board includes the first PCB plate from top to bottom set gradually, second
Pcb board, third pcb board and the 4th pcb board；The winding include successively the first winding corresponding with pcb board, the second winding,
The tertiary winding and the 4th winding.
The utility model is further arranged to, and each pcb board includes the first through hole from top to bottom set gradually, second
Through-hole, third through-hole, fourth hole, fifth hole and the 6th through-hole；
The through-hole of first winding is connect with the 6th through-hole of the first pcb board；The through-hole and second of first winding
Second through-hole of pcb board connects；The through-hole of the tertiary winding is connect with the first through hole of third pcb board；4th winding
Through-hole connect with the third through-hole of the 4th pcb board.
The utility model is further arranged to, and the pcb board is equipped with notch.
The utility model has the beneficial effects that the utility model is used etches corresponding windings the number of turns on pcb board, plane can be made
Transformer reaches highly integrated modularization, power density maximization and the standardized effect of manufacture craft；In addition it is electrically connected
Point part is interspersed to realize conducting by using conductive column, instead of traditional welding procedure, improves production efficiency.
Detailed description of the invention
Utility model is described further using attached drawing, but the embodiment in attached drawing does not constitute and appoints to the utility model
What is limited, for those of ordinary skill in the art, without creative efforts, can also be according to the following drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the first pcb board of the utility model；
Fig. 3 is the structural schematic diagram of the second pcb board of the utility model；
Fig. 4 is the structural schematic diagram of the utility model third pcb board；
Fig. 5 is the structural schematic diagram of the 4th pcb board of the utility model；
Fig. 6 is the structural schematic diagram of the utility model conductive column；
Wherein: the upper E-type magnetic core of 11-；E-type magnetic core under 12-；13- is convex stupefied；2- winding；3- conductive column；The head 31-；32- bar
Portion；33- upper limit ring；34- lower limit ring；The first pcb board of 41-；The second pcb board of 42-；43- third pcb board；The 4th PCB of 44-
Plate；51- first through hole；The second through-hole of 52-；53- third through-hole；54- fourth hole；55- fifth hole；The 6th through-hole of 56-；
6- notch.
Specific embodiment
The utility model is further described with the following Examples.
From Fig. 1 to Fig. 6；A kind of low-mounting height magnetic sheet transformer described in the present embodiment, including upper and lower two pairs
It is much of E-type magnetic core 11 and lower E-type magnetic core 12；It is covered between the upper E-type magnetic core 11 and lower E-type magnetic core 12 equipped with multi-layer PCB
Copper sheet；
Each PCB copper-clad plate includes pcb board and the winding being etched on pcb board 2；Each PCB plate and each
Winding 2 is equipped with through-hole；
The low-mounting height magnetic sheet transformer includes for each pcb board and each winding 2 to be realized leading for conducting
Electric column 3；The conductive column 3 is arranged in the through-hole of each pcb board and the through-hole of each winding 2.
Specifically, low-mounting height magnetic sheet transformer described in the present embodiment, using etching corresponding windings on pcb board
2 the number of turns, then the flat surface transformer being bonded together, film inductor with epoxy resin by multi-layer PCB copper-clad plate through high intensity
The integrated technology of winding 2, flat surface transformer can be made to reach, and highly integrated modularization, power density maximizes and manufacture craft mark
The effect of standardization；In addition its electric connecting point part (through-hole of pcb board and the through-hole of winding 2) is worn by using conductive column 3
It inserts to realize conducting, instead of traditional welding procedure, improves production efficiency.
A kind of low-mounting height magnetic sheet transformer described in the present embodiment, the conductive column 3 include head 31 and bar
Portion 32；The through-hole of each pcb board and the through-hole of each winding 2 are sheathed in bar portion 32；The upper end of the bar portion 32 is set
There is upper limit ring 33；The lower end of the bar portion 32 is equipped with lower limit ring 34.Pass through setting upper limit ring 33 and lower limit ring 34
It can be further close by each PCB copper-clad plate.
A kind of low-mounting height magnetic sheet transformer described in the present embodiment, the upper E-type magnetic core 11 and lower E-type magnetic core
12 are detachably connected.Above-mentioned setting is convenient for carrying out repair and replacement with lower E-type magnetic core 12 to upper E-type magnetic core 11.
A kind of low-mounting height magnetic sheet transformer described in the present embodiment, the material of the winding 2 are copper.
A kind of low-mounting height magnetic sheet transformer described in the present embodiment, the upper E-type magnetic core 11 and lower E-type magnetic core
12 junction is equipped with convex stupefied 13.The junction of E-type magnetic core 11 and lower E-type magnetic core 12 in user's identification is convenient in above-mentioned setting.
A kind of low-mounting height magnetic sheet transformer described in the present embodiment, the pcb board include from top to bottom successively setting
The first pcb board 41, the second pcb board 42, third pcb board 43 and the 4th PCB plate 44 set；The winding 2 include successively with
Corresponding first winding 2 of pcb board, the second winding 2, the tertiary winding 2 and the 4th winding 2.A kind of low peace described in the present embodiment
High degree of magnetic chip transformer is filled, each pcb board includes the first through hole 51 from top to bottom set gradually, the second through-hole 52, the
Three through-holes 53, fourth hole 54, fifth hole 55 and the 6th through-hole 56；The through-hole and the first pcb board of first winding 2
41 the 6th through-hole 56 connection；The through-hole of first winding 2 is connect with the second through-hole 52 of the second pcb board 42；The third
The through-hole of winding 2 is connect with the first through hole 51 of third pcb board 43；The of the through-hole of 4th winding 2 and the 4th pcb board 44
The connection of three through-holes 53.
It is stringent to product electric clearance and creepage distance that above-mentioned special isolation structure design meets UL, IEC and VDE standard
Safety requirements.Such structure design is easier to realize sandwich assembling design, and this considerably increases primary to secondary
Coupling and significantly reduce parasitic leakage inductance, thus simplify power supply design.
A kind of low-mounting height magnetic sheet transformer described in the present embodiment, the pcb board are equipped with notch 6.By above-mentioned
The primary and secondary side that transformer is identified convenient for user is set.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (8)
1. a kind of low-mounting height magnetic sheet transformer, it is characterised in that: including upper and lower two symmetrically upper E-type magnetic core (11) and
Lower E-type magnetic core (12)；Multi-layer PCB copper-clad plate is equipped between the upper E-type magnetic core (11) and lower E-type magnetic core (12)；
Each PCB copper-clad plate includes pcb board and the winding being etched on pcb board (2)；Each pcb board and each around
Group (2) is equipped with through-hole；
The low-mounting height magnetic sheet transformer includes the conduction for each pcb board and each winding (2) to be realized to conducting
Column (3)；The conductive column (3) is arranged in the through-hole of each pcb board and the through-hole of each winding (2).
2. a kind of low-mounting height magnetic sheet transformer according to claim 1, it is characterised in that: the conductive column (3)
Including head (31) and bar portion (32)；The through-hole of each pcb board and the through-hole of each winding (2) are sheathed on bar portion
(32) on；The upper end of the bar portion (32) is equipped with upper limit ring (33)；The lower end of the bar portion (32) is equipped with lower limit ring (34).
3. a kind of low-mounting height magnetic sheet transformer according to claim 1, it is characterised in that: the upper E-type magnetic core
(11) it is detachably connected with lower E-type magnetic core (12).
4. a kind of low-mounting height magnetic sheet transformer according to claim 1, it is characterised in that: the winding (2)
Material is copper.
5. a kind of low-mounting height magnetic sheet transformer according to claim 1, it is characterised in that: the upper E-type magnetic core
(11) convex stupefied (13) are equipped with the junction of lower E-type magnetic core (12).
6. a kind of low-mounting height magnetic sheet transformer according to claim 1, it is characterised in that: the pcb board includes
The first pcb board (41), the second pcb board (42), third pcb board (43) and the 4th pcb board (44) from top to bottom set gradually；
The winding (2) include successively the first winding (2) corresponding with pcb board, the second winding (2), the tertiary winding (2) and the 4th around
Group (2).
7. a kind of low-mounting height magnetic sheet transformer according to claim 6, it is characterised in that: each pcb board wraps
Include the first through hole (51) from top to bottom set gradually, the second through-hole (52), third through-hole (53), fourth hole (54), the 5th
Through-hole (55) and the 6th through-hole (56)；
The through-hole of first winding (2) is connect with the 6th through-hole (56) of the first pcb board (41)；First winding (2)
Through-hole is connect with the second through-hole (52) of the second pcb board (42)；The through-hole of the tertiary winding (2) and third pcb board (43)
First through hole (51) connection；The through-hole of 4th winding (2) is connect with the third through-hole (53) of the 4th pcb board (44).
8. a kind of low-mounting height magnetic sheet transformer according to claim 1, it is characterised in that: the pcb board is equipped with
Notch (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960362.5U CN208985839U (en) | 2018-11-26 | 2018-11-26 | A kind of low-mounting height magnetic sheet transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821960362.5U CN208985839U (en) | 2018-11-26 | 2018-11-26 | A kind of low-mounting height magnetic sheet transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208985839U true CN208985839U (en) | 2019-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821960362.5U Active CN208985839U (en) | 2018-11-26 | 2018-11-26 | A kind of low-mounting height magnetic sheet transformer |
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| Country | Link |
|---|---|
| CN (1) | CN208985839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378188A (en) * | 2018-11-26 | 2019-02-22 | 东莞市大忠电子有限公司 | A kind of low-mounting height magnetic sheet transformer |
-
2018
- 2018-11-26 CN CN201821960362.5U patent/CN208985839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109378188A (en) * | 2018-11-26 | 2019-02-22 | 东莞市大忠电子有限公司 | A kind of low-mounting height magnetic sheet transformer |
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