A kind of framework of ultrathin transformer
Technical field
The utility model relates to field transformer, is specifically related to a kind of framework of ultrathin transformer.
Background technology
Nowadays, fast development along with electronic science and technology, people are also more and more higher to the requirement of electronic product, and most electronic product is towards high performance-price ratio, the trend development of miniaturization, for example, in order to meet the structural requirement of ultrathin large-screen liquid crystal display television, the ultra-thin components and parts that adapt with it must be arranged, and transformer is one of the most difficult components and parts of realizing ultrathin wherein, the transformer height is generally in the 20mm left and right in the market, wherein, the principal element of decision transformer thickness has the height of transformer wire bag, the thickness of magnetic core etc.; Nowadays a kind of ultra-thin transformer of effectively control transformer self thickness is needed in market badly.
The utility model content
The purpose of this utility model is to overcome above-described shortcoming, the knockdown frame design of a kind of employing, thin thickness is provided, manufactures simple ultra-thin transformer.
For achieving the above object, concrete scheme of the present utility model is as follows: a kind of framework of ultrathin transformer, the lower skeleton that includes upper skeleton and coordinate with it; Described lower skeleton one end is provided with some secondary legs, the other end is provided with elementary leg;
Described upper skeleton is provided with the first wrapping post containing containing cavity, and its top is provided with the first pallet, and described the first pallet lower end is formed with the first secondary winding groove;
Described lower skeleton is provided with the second wrapping post, and its top is provided with the 3rd pallet, and described the 3rd pallet lower end is formed with elementary winding slot;
The second wrapping post of the sheathed described lower skeleton of the first wrapping post of described upper skeleton; Described the second wrapping post is provided with for placing the magnetic core hole of magnetic core; The first wrapping post end face is provided with the via hole corresponding with the magnetic core hole.
Wherein, described the first wrapping post is provided with the second pallet near a side of bottom; Form the second subprime winding slot between described the second pallet and upper skeleton.
Wherein, described the second wrapping post is provided with the 4th pallet near a side of bottom.
Wherein, described lower skeleton is provided with secondary pin that some and secondary leg is corresponding and the elementary pin corresponding with elementary leg.
Wherein, described upper skeleton is provided with hole clipping, and lower skeleton is provided with the fixture block matched with hole clipping; Described upper skeleton is buckled in described lower skeleton.
Wherein, described the second pallet one end is extended with the stopper slot corresponding with secondary leg.
Wherein, described the first pallet end face and lower skeleton bottom corresponding being provided with for being wound around the adhesive tape groove of adhesive tape respectively.
Wherein, the cross section of the cross section of described the first wrapping post and the second wrapping post is ellipse.
The beneficial effects of the utility model are: by the lower skeleton that upper skeleton is set and coordinates with it, it is knockdown design, can greatly reduce the thickness of power transformer product, thereby make the transformer made by the utility model can be for trending towards the electronic product of ultrathin design on nowadays market, thereby provide powerful guarantee for the electronic product ultrathin; Because of its knockdown design, too much waste the shortcoming of adhesive tape in the time of can removing common transformer production from again, reduce the use amount of adhesive tape, thereby reduce product cost; Because of it, make simply again, the adhesive tape winding working procedure is few, the corresponding minimizing of its human cost, very large reduction human cost.
The accompanying drawing explanation
Fig. 1 is decomposing schematic representation of the present utility model;
Fig. 2 is the decomposing schematic representation of another angle of the present utility model;
Fig. 3 is the utility model front view;
Fig. 4 is the stereogram of upper skeleton of the present utility model bottom surface;
Fig. 5 is vertical view of the present utility model;
Fig. 6 is the cutaway view along A-A line in Fig. 5;
Description of reference numerals in Fig. 1 to Fig. 6:
The 1-upper skeleton; 11-the first pallet; 12-the second pallet; The 13-containing cavity; The 14-via hole; 15-first secondary winding groove; The 16-hole clipping; The 17-stopper slot; 18-second subprime winding slot; 19-the first wrapping post;
The 2-lower skeleton; 21-the 3rd pallet; 22-the 4th pallet; 23-the second wrapping post; 231-magnetic core hole; The elementary winding slot of 24-; The elementary leg of 25-; The elementary pin of 26-; 27-level leg; 28-level pin; The 29-fixture block.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model being described in further detail, is not that practical range of the present utility model is confined to this.
As shown in Figures 1 to 6, the described a kind of framework of ultrathin transformer of the present embodiment, the lower skeleton 2 that includes upper skeleton 1 and coordinate with it; Described lower skeleton 2 one ends are provided with some secondary legs 27, the other end is provided with elementary leg 25; Described upper skeleton 1 is provided with the first wrapping post 19 containing containing cavity 13, and its top is provided with the first pallet 11, and described the first pallet 11 lower ends are formed with first secondary winding groove 15; Described lower skeleton 2 is provided with the second wrapping post 23, and its top is provided with the 3rd pallet 21, and described the 3rd pallet 21 lower ends are formed with elementary winding slot 24; The second wrapping post 23 of the sheathed described lower skeleton 2 of the first wrapping post 19 of described upper skeleton 1; Described the second wrapping post 23 is provided with for placing the magnetic core hole 231 of magnetic core; The first wrapping post 19 end faces are provided with via hole 14 corresponding with magnetic core hole 231 and that be communicated with containing cavity 13.
During assembling, primary coil is wound on the second wrapping post 23, be wound in elementary winding slot 24, the two ends pin of primary coil is fixed in respectively two described elementary legs 25 of lower skeleton 2 other ends, preferably, the two ends pin of primary coil is welded in respectively two described elementary legs 25 of lower skeleton 2 other ends; The second wrapping post 23 of the sheathed described lower skeleton 2 of the first wrapping post 19 of described upper skeleton 1; Be that described the second wrapping post 23 that contains primary coil is placed in the containing cavity 13 of the first wrapping post 19; Described the first wrapping post 19 is wound with some groups of secondary coils, each pin correspondence of described secondary coil is fixed in lower skeleton 2 one ends and is provided with some secondary legs 27, preferably, each pin correspondence of described secondary coil is welded in lower skeleton 2 one ends and is provided with some secondary legs 27; Wherein, secondary leg 27 numbers that described lower skeleton 2 one ends are provided with are nine groups, and according to the difference of its welding manner, described the first wrapping post 19 is around making minimum four groups of secondary coils; Described the second wrapping post 23 is provided with for placing the magnetic core hole 231 of magnetic core; The first wrapping post 19 end faces are provided with the via hole 14 be communicated with magnetic core hole 231, and magnetic core is fixed in magnetic core hole 231, and described magnetic core can be according to the 231 shape customizations of magnetic core hole.
Further, described the first wrapping post 19 is provided with the second pallet 12 near a side of bottom; Form second subprime winding slot 18 between described the second pallet 12 and upper skeleton 1; So setting can be by secondary coil according to the classification difference, be wound on respectively in first secondary winding groove 15 and second subprime winding slot 18, be conducive to secondary coil stable, improve transformer performance, other the second pallet 12 plays the fixed support effect of picking-up, and secondary coil can be more evenly distributed.
Further, described the second wrapping post 23 is provided with the 4th pallet 22 near a side of bottom, wherein, forms elementary winding slot 24 between the 3rd pallet 21 and the 4th pallet 22.
Further, described lower skeleton 2 is provided with secondary pin 28 that some and secondary leg 27 is corresponding and the elementary pin 26 corresponding with elementary leg 25; Wherein, secondary leg 27 with and its corresponding secondary pin 28 be electrically connected to, elementary leg 25 with and its corresponding elementary pin 26 electrical connections; Secondary pin 28 and elementary pin 26 are conducive to easily the utility model is welded on pcb board, improve the scope of application of the present utility model and facilitate the electronics manufacturers welding to use.
Further, described upper skeleton 1 is provided with hole clipping 16, and lower skeleton 2 is provided with the fixture block 29 matched with hole clipping 16; Described upper skeleton 1 is buckled in described lower skeleton 2; So setting can be fixed together upper skeleton 1 and lower skeleton 2 easily, can also in needs, it be taken apart easily, simplifies the operation of utilizing the utility model to produce ultra-thin transformer, and then reduces human cost.
Further, described the second pallet 12 1 ends are extended with the stopper slot 17 corresponding with secondary leg 27; Stopper slot 17 can limit respectively and respectively organize the Pin locations that secondary coil is drawn, thereby the pin of secondary coil can the factor amount too much not mix.
Further, described the first pallet 11 end faces and lower skeleton 2 bottoms corresponding being provided with for being wound around the adhesive tape groove of adhesive tape respectively; Magnetic core is positioned in described magnetic core hole 231, available adhesive tape is fastened, and is wound around adhesive tape, can not only make be connected between upper skeleton 1 and lower skeleton 2 more firm, also guaranteed that magnetic core can not drop out from magnetic core hole 231, also improves the water proofing property of transformer to a certain extent.
Further, the cross section of the cross section of described the first wrapping post 19 and the second wrapping post 23 is ellipse; Ellipse is arranged in cross section, can greatly increase the girth of the first wrapping post 19 and the second wrapping post 23, thereby secondary coil and primary coil can, in the situation that equal line length reduces the number of turns of coiling, provide advantage thereby rise to minimizing thickness of the present utility model.
The above is only a preferred embodiment of the present utility model, and the equivalence of doing according to the described structure of the utility model patent claim, feature and principle therefore all changes or modifies, and is included in the protection range of the utility model patent application.