CN206312736U - high power ultra-thin transformer - Google Patents

Abstract

A kind of high power ultra-thin transformer, the high power ultra-thin transformer includes magnetic core and skeleton, magnetic core includes lower cover, upper lid and conducting magnetic column, lower cover is provided with the first semiclosed tank and the first stopper slot, upper lid is provided with the second semiclosed tank and the second stopper slot, accommodation space is formed between first semiclosed tank and the second semiclosed tank, one end of conducting magnetic column is inserted in the first stopper slot, and the other end is inserted in the second stopper slot；Skeleton includes support body and two pins, and support body is provided with mesopore and winding slot, and in support body insertion accommodation space, conducting magnetic column is arranged in mesopore, and upper lid and lower cover are connected with support body respectively.Above-mentioned high power ultra-thin transformer, overall height is significantly reduced, reduce electromagnetic interference, improve energy conversion efficiency, and with great heat radiation effect, insulating properties have also obtained further enhancing, and for power supply miniaturization, slimming, the efficiency of power density and lifting power supply to improving power supply has prominent contribution.

Description

High power ultra-thin transformer

Technical field

The utility model is related to transformer technology field, more particularly to a kind of high power ultra-thin transformer.

Background technology

With developing rapidly for electronic technology, requirement more and more higher of the people to electronic product is most of at present Electronic product just develop towards high performance-price ratio, miniaturization, slimming direction, and ultra-thin transformer appears as electronic product Miniaturization and slimming development are provided may.

However, some ultra-thin transformers on the market still can not meet the demand of society, such as extra-thin LED now Tool etc., these light fixtures wish to that thinner, cost is lower, with better function, therefore also have requirement higher to ultra-thin transformer.

Utility model content

Based on this, it is necessary to for how making the technical problem that small product size is thinner, power density is higher, there is provided Yi Zhonggao Power ultra-thin transformer.

A kind of high power ultra-thin transformer, the high power ultra-thin transformer includes magnetic core and skeleton, and the magnetic core is flat Structure, the magnetic core includes lower cover, upper lid and conducting magnetic column, and the lower cover is provided with the first semiclosed tank and the first stopper slot, The upper lid is provided with the second semiclosed tank and the second stopper slot, the first semiclosed tank and the second semiclosed appearance Accommodation space is formed between groove, one end of the conducting magnetic column is inserted in first stopper slot, the other end is inserted in described In second stopper slot；The skeleton includes support body and the two pins that are connected with the support body, the support body be provided with mesopore and around Wire casing, the winding slot is set around the mesopore, and the winding slot mid-game is wound with the first wire to form primary coil, described Winding slot mid-game is wound with the second wire to form secondary coil, and the support body is embedded in the accommodation space, and the conducting magnetic column is worn In the mesopore, the upper lid and the lower cover are connected with the support body respectively, pin described in one and the primary coil The accommodation space is connected and exposes to, another pin is connected with the secondary coil and exposes to the accommodation space.

Wherein in one embodiment, the lower cover includes lower body and the lower gear bar positioned at the lower body both sides, institute State and form the described first semiclosed tank between lower gear bar described in lower body and two.

Wherein in one embodiment, lower gear bar protrudes from the same side of the lower body described in two.

Wherein in one embodiment, the lower body is recessed to form first limit towards the direction of the dorsad lower gear bar Position groove.

Wherein in one embodiment, the upper lid includes upper plate body and the bar that performs positioned at the upper plate body both sides, institute State and form the described second semiclosed tank between the bar that performed described in upper plate body and two.

The bar that performed wherein in one embodiment, described in two protrudes from the same side of the upper plate body.

Wherein in one embodiment, the upper plate body is recessed to form second limit towards the direction of the dorsad bar that performs Position groove.

Wherein in one embodiment, the support body includes the first limiting plate, sleeve and the second limiting plate, pin described in two Be connected with second limiting plate respectively, first limiting plate offers first through hole, second limiting plate offer with The second corresponding through hole of the first through hole, the sleeve have perforation, the sleeve respectively with first limiting plate and Second limiting plate is connected, and the first through hole, the perforation and second through hole are sequentially communicated.

Wherein in one embodiment, first limiting plate, the sleeve and second limiting plate are integrally formed.

Wherein in one embodiment, the both sides of first limiting plate are provided with clamping block, second limiting plate Both sides are provided with limited block, and the clamping block is arranged on the side of dorsad described skeleton of the upper lid, the limited block with The side of the dorsad described skeleton of the lower cover abuts.

Above-mentioned high power ultra-thin transformer, overall height is significantly reduced, and at the same time enhances the magnetic of magnetic core Conductance, reduces electromagnetic interference, improves energy conversion efficiency, and with great heat radiation effect, insulating properties are also obtained Further enhancing, for power supply miniaturization, slimming, the efficiency of power density and lifting power supply to improving power supply has prominent The contribution for going out.

Brief description of the drawings

Fig. 1 is the structural representation of high power ultra-thin transformer in one embodiment；

Fig. 2 is the structural representation of high power ultra-thin transformer in another embodiment；

Fig. 3 is the structural representation of upper lid in one embodiment；

Fig. 4 is the structural representation of lower cover in one embodiment；

Fig. 5 is the attachment structure schematic diagram of upper lid and lower cover in one embodiment；

Fig. 6 is the structural representation of magnetic core in another embodiment；

Fig. 7 is the structural representation of magnetic core in another embodiment；

Fig. 8 is the structural representation of lower cover in another embodiment；

Fig. 9 is the structural representation of one embodiment middle skeleton；

Figure 10 is the structural representation of another embodiment middle skeleton；

Figure 11 is the structural representation of another embodiment middle skeleton.

Specific embodiment

To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this The specific embodiment of utility model is described in detail.Elaborate many details in order to abundant in the following description Understand the utility model.But the utility model can be implemented with being much different from other manner described here, this area Technical staff can do similar improvement in the case of without prejudice to the utility model intension, therefore the utility model does not receive following public affairs The limitation of the specific embodiment opened.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward ", The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings Orientation or position relationship, are for only for ease of description the utility model and simplify description, rather than the dress for indicating or implying meaning Put or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to the utility model Limitation.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " is meant that at least two, such as two It is individual, three etc., unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be Mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two The connection of element internal or two interaction relationships of element, unless otherwise clearly restriction.For the common skill of this area For art personnel, concrete meaning of the above-mentioned term in the utility model can be as the case may be understood.

In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.

It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or can also there is element placed in the middle.When an element is considered as " connection " another element, it can be with It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertical ", " level ", " on ", D score, "left", "right" and similar statement for illustrative purposes only, it is unique implementation to be not offered as Mode.

Fig. 1 is referred to, for example, a kind of high power ultra-thin transformer 10 includes magnetic core 110 and skeleton 120, skeleton 120 is set In magnetic core 110.For example, being analogized from the structure of electromagnetic induction principle and traditional transformer, magnetic core 110 is used to produce Electricity grows power and guides the distribution in magnetic field.For example, skeleton 120 is used to set the coil of power supply transformation, to raise the voltage of input Or reduce the voltage of input.For example, magnetic core 110 is the sintering magnetic metal oxide being made up of various iron oxide mixtures. For example, magnetic core 110 is made up of manganese-zinc ferrite material；And for example, magnetic core 110 is made up of nickel-zinc Ferrite Material, to utilize it The characteristics of high magnetic permeability and high magnetic flux density, reduces the loss to electromagnetic field.

In the present embodiment, magnetic core 110 is flat structure.That is, magnetic core 110 shows flat shape on the whole Structure, to meet the growth requirement of miniaturization and the slimming of electronic product, it will be understood that the magnetic core 110 of flat structure can be with Reduce the volume of electronic product so that electronic product is also tended to minimize and is thinned.For example, magnetic core 110 is flat rule Then shape and structure.In one embodiment, magnetic core 110 is flat square structure.In one embodiment, magnetic core 110 is flat length Square structure.

Similarly, for example, skeleton 120 is flat structure.That is, skeleton 120 shows flat shape on the whole Shape structure, to meet the growth requirement of miniaturization and the slimming of electronic product.It is appreciated that because magnetic core 110 is flat knot Structure, skeleton 120 is arranged in magnetic core 110, therefore skeleton 120 also should be flat structure, to cause high power ultra-thin transformer whole Body is flat structure.

Also referring to Fig. 2, Fig. 3 and Fig. 4, for example, magnetic core 110 includes upper lid 111 and lower cover 112.In the present embodiment, under Lid 112 and upper lid 111 are symmetrical arranged.Lower cover 112 is provided with the first semiclosed tank 113 and the first center pillar 114.It is corresponding, on Lid 111 is provided with the second semiclosed tank 115 and the second center pillar 116.In the present embodiment, the first center pillar 114 and the second center pillar 116 It is identical shape and structure.

It should be noted that the first semiclosed tank 113 and the second semiclosed tank 115 are semienclosed slot, also To say, the first semiclosed tank 113 and the second semiclosed tank 115 are semi-open form, it will be understood that it is semiclosed or Person says semi-open form primarily to setting the skeleton 120, so that the pin exposed of skeleton 120, consequently facilitating wiring.

For example, the first center pillar 114 is located in the first semiclosed tank 113.For example, the second center pillar 116 is located at the second half envelopes Close in tank 115.Further, the first center pillar 114 is located at the central region of the first semiclosed tank 113.Further, second Center pillar 116 is located at the central region of the second semiclosed tank 115.Magnetic core 110 so can be more reasonably set so that magnetic conduction Effect is more preferable.

For example, lower cover 112 is integrally formed the first center pillar 114 of setting.For example, lower cover 112 is integrally formed the second center pillar of setting 116.The stability of structure can be so improved, the service life of product is improved.

Fig. 5 is referred to, for example, the first center pillar 114 is abutted with the second center pillar 116 and is formed with conducting magnetic column 117.The present embodiment In, the first center pillar 114 and the second center pillar 116 have oval cross section, that is to say, that the first center pillar 114 and the second center pillar 116 column structures for being ellipse.It is corresponding, for example, conducting magnetic column 117 has oval cross section.For example, the first center pillar The axis collinear of 114 axis and the second center pillar 116 is set.So, the first center pillar 114 and the second center pillar 116 are combined into magnetic conduction Post 117 so that conducting magnetic column 117 more preferably can more optimally guide magnetic field on the whole.

For example, being formed with accommodation space 118 between the first semiclosed tank 113 and the second semiclosed tank 115.Conducting magnetic column 117 are located in accommodation space 118.Further, conducting magnetic column 117 is located at the central region of accommodation space 118.So can be more preferable Ground sets the position relationship of conducting magnetic column 117 and the skeleton 120.

Also referring to Fig. 5 and Fig. 6, in an embodiment, the first center pillar 114 and the second center pillar 116 are integrally formed to be formed and lead Magnetic pole 117, the second semiclosed tank 115 and the first semiclosed tank 113 are integrally formed to form semiclosed tank 119, conducting magnetic column 117 are located in semiclosed tank 119, and accommodation space 118 is formed between upper lid 111 and semiclosed tank 119.For example, under Lid 112 is provided with conducting magnetic column 117；And for example, conducting magnetic column 117 is fixedly connected with lower cover 112；And for example, lower cover 112 is integrally formed this and leads Magnetic pole 117.For example, conducting magnetic column 117 is detachably connected with upper lid 111.So, integrally formed conducting magnetic column 117 can be preferably Guiding magnetic field, improves the conversion efficiency of electric energy.

For example, the second semiclosed tank 115 is respectively provided with two corresponding openings with the first semiclosed tank 113.And for example, Semiclosed tank has two corresponding openings, and conducting magnetic column 117 stretches shape towards two directions of opening of semiclosed tank The column structure of ovalisation.Further, 1/2nd of the maximum length of magnetic core 110 are outer less than the maximum of conducting magnetic column 117 Footpath.Electromagnetic field so can be preferably guided, the energy conversion efficiency of transformer is improved.

Also referring to Fig. 5, Fig. 6 and Fig. 7, in order to improve efficiency of assembling, in an embodiment, magnetic core 110 includes lower cover 112nd, upper lid 111 and conducting magnetic column 117, that is to say, that conducting magnetic column 117 is detachably connected with lower cover 112 and upper lid 111 respectively.Example Such as, lower cover 112 is provided with the first stopper slot 1121, and upper lid 111 is provided with the second stopper slot 1111, and one end of conducting magnetic column 117 is inserted In the first stopper slot 1121, the other end is inserted in the second stopper slot 1111.And for example, one end of conducting magnetic column 117 is bolted in In first stopper slot 1121, the other end is bolted in the second stopper slot 1111.So, by lower cover 112, upper lid 111 and magnetic conduction Post 117 separates the form being independently arranged so that conducting magnetic column 117 is detachably connected with lower cover 112 and upper lid 111 respectively, Ke Yiyou Effect ground improves efficiency of assembling, saves assembly cost.

Also referring to Fig. 4, Fig. 7 and Fig. 8, for example, lower cover 112 includes lower body 131 and positioned at the both sides of lower body 131 Lower gear bar 132, forms the first semiclosed tank 113 between the lower gear bar 132 of lower body 131 and two.For example, two lower gear bars 132 are convex For the same side of lower body 131.For example, lower body 131 is recessed to form the first stopper slot towards the direction of dorsad lower gear bar 132 1121.For example, lower gear bar 132 has the side of arc；And for example, the side of two arcs of lower gear bar 132 is oppositely arranged.

For example, lower cover and upper lid are symmetrical structure, and it is corresponding, for example, upper lid includes upper plate body and positioned at upper plate body both sides The bar that performs, upper plate body and two performs the second semiclosed tank formed between bar.For example, two bars that perform protrude from the same of upper plate body One side.For example, upper plate body is recessed to form the second stopper slot towards the direction of the bar that dorsad performs.

Fig. 9 is referred to, for example, skeleton 120 includes support body 121 and two pins 122, two pins 122 are connected with support body 121. For example, support body 121 is provided with mesopore 123 and winding slot 124, winding slot 124 is set around mesopore 123.In the present embodiment, coiling The mid-game of groove 124 is wound with the first wire (not shown) to form primary coil (not shown), and the mid-game of winding slot 124 is wound with the second wire (not shown) is forming secondary coil (not shown).It should be noted that the position relationship of primary coil and secondary coil can be with Actual demand according to product is adjusted, with reference to figure Fig. 5, Fig. 6, Fig. 7, Fig. 8 and Fig. 9, for example, primary coil is located at the first half In closing tank, and for example, secondary coil is located in the second semiclosed tank.

For example, in the insertion accommodation space 118 of support body 121, conducting magnetic column 117 is arranged in mesopore 123, upper lid 111 and lower cover 112 are connected with support body 121 respectively, and a pin 122 is connected with primary coil and exposes to accommodation space 118, another pin 122 with Secondary coil is connected and exposes to accommodation space 118.So, skeleton 120 can be preferably arranged in magnetic core 110, to be formed A kind of ultra-thin, small volume, power density high power ultra-thin transformer high, substantially reduce whole height, the lifting of transformer Transformer efficiency density, allows the model transformer be widely used.

Further, for convenience of the wiring of External cable and pin 122, for example, two pins 122 are arranged at support body 121 Distinct locations.For example, two pins 122 are symmetricly set on the two side of support body 121.So can preferably by outside cable Access on pin 122.

For example, the shape and structure of the cross section of mesopore 123 is equal to the shape and structure of the cross section of conducting magnetic column 117.So may be used So that conducting magnetic column 117 preferably is passed through into mesopore 123.

For example, the first wire is enamel-covered wire or sleeve pipe envelope curve.For example, the second wire is enamel-covered wire or sleeve pipe envelope curve. That is, skeleton can coil enamel-covered wire, sleeve pipe envelope curve or mix and match, with good insulating properties, meet various safety Specification.In the present embodiment, skeleton is insulator.

In the present embodiment, as shown in figure 1, it includes magnetic core and skeleton after the assembling synthesis of high power ultra-thin transformer, point After solution as shown in Figure 2, Figure 3 and Figure 4, magnetic core is combined to form by upper lid and lower cover, and magnetic core is flat square, its upper and lower covers and be right Claim body.Center pillar and the semiclosed tank around center pillar are provided with inside magnetic core, center pillar is ellipse elongated cylinder, and center pillar maximum outside diameter is towards partly The open side direction stretching of tank is closed, the size of center pillar maximum outside diameter is more than the half of magnetic core length dimension in the same direction.Skeleton It is bluff body, skeleton is embedded at the tank inside magnetic core, and the center pillar of magnetic core then inserts the mesopore of skeleton；Wire is wound on skeleton space It is interior, coiled around the center pillar periphery of magnetic core, constitute the primary coil and secondary coil of transformer；Skeleton be provided with respectively with primary Coil and the pin of secondary coil connection, skeleton is insulator, and skeleton can coil enamel-covered wire, sleeve pipe envelope curve or mix and match, tool There are good insulating properties, meet various safety standards.

Also referring to Fig. 9, Figure 10 and Figure 11, for example, support body 121 includes the first limiting plate 141, sleeve 142 and second Limiting plate 143, two pins 122 are connected with the second limiting plate 143 respectively, and the first limiting plate 141 offers first through hole, and (figure is not Show), the second limiting plate 143 offers the second through hole (not shown) corresponding with first through hole, and sleeve 142 has perforation (figure Do not show), sleeve 142 is connected with the first limiting plate 141 and the second limiting plate 143 respectively, and first through hole, perforation and the second through hole It is sequentially communicated, for example, first through hole, perforation and the second through hole are sequentially communicated to form mesopore 123.

For example, the first limiting plate 141, the limiting plate 143 of sleeve 142 and second are integrally formed.Support body 121 can so be improved Overall mechanical strength, improves the service life of product.

Also referring to Fig. 1, Figure 10 and Figure 11, for example, the both sides of the first limiting plate 141 are provided with clamping block 151, second The both sides of limiting plate 143 are provided with limited block 152, and clamping block 151 is arranged on the side of dorsad skeleton 120 of lid 111, limit Position block 152 is abutted with the side of the dorsad skeleton 120 of lower cover 112.For example, the both sides of the first limiting plate 141 have been wholely set card Block 151 is connect, the both sides of the second limiting plate 143 are wholely set limited location block 152.So, by clamping block 151 and limited block 152 Can cause that skeleton 120 is closely fastened and connected with magnetic core 110, improve the stability of assembling.

By above-mentioned implementation method, the utility model is that whole height is smaller and a kind of security performance preferably ultra-thin change Depressor, with good feature, radiating effect and insulating properties, substantially reduces the whole height of transformer, improves change Depressor power density, allows the model transformer to be widely used.

It is noted that transformer of the present utility model have been used for 0-10V light modulation series LED driving power supply and it is ultra-thin every Above release LED drive power, this product is applicable to the LED that the shunting yard high such as consumption-orientation LED lamp, hotel and villa is used Light fixture.

Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, the scope of this specification record is all considered to be.

Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed, But therefore can not be interpreted as the limitation to utility model patent scope.It should be pointed out that for the common skill of this area For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to Protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (10)

1. a kind of high power ultra-thin transformer, it is characterised in that including：

Magnetic core, the magnetic core is flat structure, and the magnetic core includes lower cover, upper lid and conducting magnetic column, and the lower cover is provided with first Semiclosed tank and the first stopper slot, the upper lid are provided with the second semiclosed tank and the second stopper slot,

Accommodation space, one end of the conducting magnetic column are formed between the first semiclosed tank and the second semiclosed tank It is inserted in first stopper slot, the other end is inserted in second stopper slot；

Skeleton, the skeleton includes support body and the two pins being connected with the support body, and the support body is provided with mesopore and winding slot, The winding slot is set around the mesopore, and the winding slot mid-game is wound with the first wire to form primary coil, the coiling Groove mid-game is wound with the second wire to form secondary coil,

The support body is embedded in the accommodation space, and the conducting magnetic column is arranged in the mesopore, the upper lid and the lower cover It is connected with the support body respectively, pin described in is connected with the primary coil and exposes to the accommodation space, it is another described Pin is connected with the secondary coil and exposes to the accommodation space.

2. high power ultra-thin transformer according to claim 1, it is characterised in that the lower cover includes lower body and is located at The lower gear bar of the lower body both sides, forms the described first semiclosed tank between lower gear bar described in the lower body and two.

3. high power ultra-thin transformer according to claim 2, it is characterised in that lower gear bar described in two protrude from it is described under The same side of plate body.

4. high power ultra-thin transformer according to claim 3, it is characterised in that the lower body is towards the dorsad lower gear The direction of bar is recessed to form first stopper slot.

5. high power ultra-thin transformer according to claim 1, it is characterised in that the upper lid includes upper plate body and is located at The bar that performs of the upper plate body both sides, the described second semiclosed tank is formed between the bar that performs described in the upper plate body and two.

6. high power ultra-thin transformer according to claim 5, it is characterised in that the bar that performed described in two is protruded from described The same side of plate body.

7. high power ultra-thin transformer according to claim 6, it is characterised in that the upper plate body performs towards dorsad described The direction of bar is recessed to form second stopper slot.

8. high power ultra-thin transformer according to claim 1, it is characterised in that the support body include the first limiting plate, Sleeve and the second limiting plate, pin described in two are connected with second limiting plate respectively,

First limiting plate offers first through hole, and second limiting plate offers corresponding with the first through hole Two through holes, the sleeve has perforation,

The sleeve is connected with first limiting plate and second limiting plate respectively, and the first through hole, the perforation And second through hole is sequentially communicated.

9. high power ultra-thin transformer according to claim 8, it is characterised in that first limiting plate, the sleeve And second limiting plate is integrally formed.

10. high power ultra-thin transformer according to claim 8, it is characterised in that the both sides of first limiting plate set Clamping block is equipped with, the both sides of second limiting plate are provided with limited block, and the clamping block is arranged in the dorsad institute of the upper lid State on the side of skeleton, the limited block is abutted with the side of the dorsad described skeleton of the lower cover.