CN207925250U - Reactor - Google Patents

Abstract

The utility model provides a kind of reactor, including magnetic core and line packet, it is characterised in that：The magnetic core includes at least the first wrapping post and the second wrapping post on same closed magnetic circuit, the line packet includes at least the first coil being sheathed on first wrapping post, the connecting line of the second coil for being sheathed on second wrapping post and the connection first coil and second coil, wherein, the first coil and second coil by flat wire it is vertical around into, the connecting line is bent by the flat wire, and the first coil, second coil and the connecting line are made of same flat wire.For the reactor of the utility model without shorting stub connection, crimping, welding etc., reliability is high.

Description

Reactor

Technical field

The utility model relates generally to electronic circuit component more particularly to a kind of reactor.

Background technology

In recent years, with the development of high-power high-frequency switch supply unit, the design requirement of high current radio-frequency rector and Using also more and more.For this kind of reactor, it is big with rated current, under high current with relatively high inductance two, The requirements such as high frequency characteristics is good, size is small.In order to meet these requirements, at present through frequently with design be, in the same closed magnetic Vertical two coils around spiral of flat wire are respectively set on two wrapping posts on road, then the two coils are connected in series with, are done At the reactor of a winding.There are two ways to being connected in series with the two coils of routine at present.It is one short one is using Wiring is connected in series with two coils, as shown in Figure 1, being connected two coils 10-1,10-2 by shorting stub 20. Another kind is to be crimped or welded by respectively drawing a lead-out wire to two coils two coils being connected in series with Come.These conventional methods are required for increasing the materials such as shorting stub, crimp type terminal, scolding tin, insulating sleeve, increase operation work When, and stringent job specification is wanted just to can guarantee the reliability of connection.

Utility model content

The technical problem to be solved by the present invention is to provide a kind of reactors, without shorting stub connection, crimping, welding Deng reliability height.

In order to solve the above technical problems, the utility model provides a kind of reactor, including magnetic core and line packet, feature exist In：The magnetic core includes at least the first wrapping post and the second wrapping post on same closed magnetic circuit, and the line packet includes at least The first coil that is sheathed on first wrapping post, the second coil for being sheathed on second wrapping post and connection described first The connecting line of coil and second coil, wherein the first coil and second coil are vertical around into institute by flat wire It states connecting line to be bent by the flat wire, the first coil, second coil and the connecting line are by same flat Line is constituted.

In an embodiment of the utility model, the first coil includes that first connect with the connecting line is drawn End, second coil include the second exit being connect with the connecting line, and first exit and described second are drawn End is located at the both sides in the face that the axis of the first coil and second coil determines jointly.

In an embodiment of the utility model, the connecting line includes the first bending part set gradually, the second bending Portion, straight portion, third bending part and the 4th bending part, flat wire described in first bending part are bent in its wide face, and described the Flat wire described in two bending parts is bent in its leptoprosopy, and the straight portion is one section of flat wire not bent, and the third is curved Flat wire described in folding part is bent in its leptoprosopy, and flat wire described in the 4th bending part is bent in its wide face, and described first The wide direction extended outwardly of flat wire described in bending part and the width of flat wire described in the 4th bending part face out The direction of extension is generally aligned in the same plane.

In an embodiment of the utility model, the straight portion is at least partially disposed at the first coil and second line Between circle, and the wide face of flat wire described in the straight portion is perpendicular to described in the first coil and/or second coil The wide face of flat wire.

In an embodiment of the utility model, the first coil is identical as the number of turns of the second coil.

In an embodiment of the utility model, the cross sectional dimensions of the flat wire of the first coil and described the The cross sectional dimensions of the flat wire of two coil is identical.

In an embodiment of the utility model, the direction of winding of the first coil and second coil is opposite.

In an embodiment of the utility model, the flat wire is the enameled wire or film packet sintering line of copper material or aluminium.

In an embodiment of the utility model, the magnetic core is UU types structure or the class UU types being spliced by block magnetic cores Structure.

In an embodiment of the utility model, the cross section of first wrapping post and second wrapping post is rectangle Or kidney ellipsoid, the cross section of the first coil and second coil is correspondingly round rectangle or kidney ellipsoid.

Compared with prior art, the utility model has the following advantages：

First coil, the second coil in the reactor of the utility model are vertical around spiral using flat wire, as a result of Flat wire designs, and can meet the requirement of high current big inductance quantity, high frequency characteristics is good, compact dimensions.In addition, due to this practicality First coil, the second coil and connecting line in novel reactor can be made of same root flat wire, and it is special to use Connecting wire structure is connected in series with two coils, is easy to implement the continuous spiral of integration.It is used with existing two coils Shorting stub connection type, crimping or the connection type of welding compare, without using shorting stub, crimp type terminal, scolding tin, insulation sleeve Other any materials such as pipe save material, while connection reliability problem are not present, and reduce product size, save work When, improve production efficiency.

Description of the drawings

Fig. 1 is the schematic three dimensional views of a conventional reactor of the prior art.

Fig. 2 is the schematic three dimensional views of the reactor of the utility model some embodiments.

Fig. 3 a are the schematic three dimensional views of the magnetic core of the reactor of the utility model some embodiments.

Fig. 3 b are the schematic three dimensional views of the wrapping post in the magnetic core shown in Fig. 3 a.

Fig. 4 a are the schematic three dimensional views of the magnetic core of the reactor of the utility model other embodiments.

Fig. 4 b are the schematic three dimensional views of the wrapping post in the magnetic core shown in Fig. 4 a.

The schematic three dimensional views for the line packet that Fig. 5 a are the cross sections of the wrapping post of the utility model some embodiments when being rectangle.

Fig. 5 b are the rearviews of the line packet shown in Fig. 5 a.

Fig. 5 c are the vertical views of the line packet shown in Fig. 5 a.

Fig. 6 a are the schematic three dimensional views of the connecting line of the utility model some embodiments.

Fig. 6 b are the rearviews of the connecting line shown in Fig. 6 a.

Fig. 6 c are the side views of the connecting line shown in Fig. 6 a.

Fig. 6 d are the vertical views of the connecting line shown in Fig. 6 a.

The three-dimensional signal for the line packet that Fig. 7 a are the cross sections of the wrapping post of the utility model some embodiments when being kidney ellipsoid Figure.

Fig. 7 b are the rearviews of the line packet shown in Fig. 7 a.

Fig. 7 c are the vertical views of the line packet shown in Fig. 7 a.

Fig. 8 a are the schematic three dimensional views of the connecting line of the utility model other embodiments.

Fig. 8 b are the rearviews of the connecting line shown in Fig. 8 a.

Fig. 8 c are the side views of the connecting line shown in Fig. 8 a.

Fig. 8 d are the vertical views of the connecting line shown in Fig. 8 a.

Specific implementation mode

For the above objects, features, and advantages of the utility model can be clearer and more comprehensible, below in conjunction with attached drawing to this practicality Novel specific implementation mode elaborates.

Many details are elaborated in the following description in order to fully understand the utility model, but this practicality is new Type can also be implemented using other different from other manner described here, therefore the utility model is not by following public tool The limitation of body embodiment.

As shown in the application and claims, unless context clearly prompts exceptional situation, " one ", "one", " one The words such as kind " and/or "the" not refer in particular to odd number, may also comprise plural number.It is, in general, that term " comprising " only prompts to wrap with "comprising" Include clearly identify the step of and element, and these steps and element do not constitute one it is exclusive enumerate, method or equipment The step of may also including other or element.

Fig. 2 is the schematic three dimensional views of the reactor of the utility model some embodiments.Refering to what is shown in Fig. 2, reactor 100 is led To include magnetic core 110 and line packet 120.It is appreciated that reactor 100 can also include other auxiliary magnetic cores 110 and/or line packet The material of 120 supports, encapsulation.

Magnetic core 110 is mainly used for closely constraining in the magnetic field that line packet 120 generates around reactor 100, to increase electricity The inductance of anti-device 100.In some embodiments, magnetic core 110 can form one or more closed magnetic circuits.Magnetic core 110 mainly by Some materials higher than the magnetic conductivity of air (Permeability) are made.The material for making magnetic core 100 may include silicon steel sheet (Laminated silicon steel), iron powder (Iron powder), ferrite (Ferrite), iron silicon (FeSi), iron nickel molybdenum (Kool-Mu/Sendust), non-crystaline amorphous metal (amorphous alloy) etc. or its arbitrary combination.The structure of magnetic core 110 can be with Including U-shaped, UI types, UU types, E types (including EC types, EE types, EEM types, EER types, EF types, EI types etc.), EP types etc. or it is arbitrary Combination.Preferably, magnetic core 110 is UU types or the class UU type structures being spliced by block magnetic cores.

Fig. 3 a are the schematic three dimensional views of the magnetic core of the reactor of the utility model some embodiments.With reference to shown in figure 3a, magnetic Core 110 may include the first link block 111-1, the second link block 111-2, the first wrapping post 112-1 and the second wrapping post 112- 2.First wrapping post 112-1 and the second wrapping post 112-2 are set between the first link block 111-1 and the second link block 111-2, A structure for being similar to " mouth " type is formed, to form a closed magnetic circuit.First wrapping post 112-1 and the second wrapping post 112-2 master It is used to be arranged the coil in line packet 120.In some embodiments, the first link block 111-1, the second link block 111-2, first In wrapping post 112-1 and the second wrapping post 112-2 at least partly can be by the magnetic conductivity (Permeability) than air High material is made.It is appreciated that magnetic core 110 can also include support, the encapsulating material of other auxiliary.Although shown in Fig. 3 a Embodiment in, only there are two wrapping post 112-1,112-2, it is to be understood that, magnetic core 110 may include the coiling more than two Column, such as may include three wrapping posts, four wrapping posts, six wrapping posts, and these wrapping posts may be contained within the first connection Between block 111-1 and the second link block 111-2, the structure of shape " mouth " font in a row.

Fig. 3 b are the schematic three dimensional views of the wrapping post in the magnetic core shown in Fig. 3 a.With reference to shown in figure 3b, wrapping post 112 has Cross section 112a, cross section 112a are a rectangle.It is appreciated that the rectangle can be square or rectangular.

Fig. 4 a are the schematic three dimensional views of the magnetic core of the reactor of the utility model other embodiments.With reference to shown in figure 4a, Magnetic core 110 may include the first link block 111-1, the second link block 111-2, the first wrapping post 112-1 and the second wrapping post 112-2.First wrapping post 112-1 and the second wrapping post 112-2 are set to the first link block 111-1 and the second link block 111-2 Between, a structure for being similar to " mouth " type is formed, to form a closed magnetic circuit.First wrapping post 112-1 and the second wrapping post 112-2 is mainly used for the coil being arranged in line packet 120.In some embodiments, the first link block 111-1, the second link block In 111-2, the first wrapping post 112-1 and the second wrapping post 112-2 at least partly can be by the magnetic conductivity than air (Permeability) high material is made.It is appreciated that magnetic core 110 can also include support, the encapsulating material of other auxiliary. Although in embodiment shown in figure 4a, only there are two wrapping post 112-1,112-2, it is to be understood that, magnetic core 110 may include Wrapping post more than two, such as may include three wrapping posts, four wrapping posts, six wrapping posts, and these wrapping posts are equal It is set between the first link block 111-1 and the second link block 111-2, the structure of shape " mouth " font in a row.

Fig. 4 b are the schematic three dimensional views of the wrapping post in the magnetic core shown in Fig. 4 a.With reference to shown in figure 4b, wrapping post 112 has Cross section 112a, cross section 112a are a kidney ellipsoid or class kidney ellipsoid.The kidney ellipsoid is that a circle is divided equally into two semicircles Arc and mutually opposing translation, the closed figure for being formed the endpoint connection of two semi arches with two isometric parallel lines.It is described Class kidney ellipsoid is that the two are justified to the mutually opposing translation of circular arc of two mirror symmetries in a circle with two isometric parallel lines The endpoint of arc connects and the closed figure of formation.

It is appreciated that the cross-sectional shape of the wrapping post 112 shown by Fig. 3 a, Fig. 3 b and Fig. 4 a, Fig. 4 b is that some show Example, the cross section of wrapping post 112 can also be other shapes, such as circle, ellipse etc., and the utility model is not subject to this Limitation.

The schematic three dimensional views for the line packet that Fig. 5 a are the cross sections of the wrapping post of the utility model some embodiments when being rectangle. Fig. 5 b are the rearviews of the line packet shown in Fig. 5 a.Fig. 5 c are the vertical views of the line packet shown in Fig. 5 a.In conjunction with reference to figure 5a to Fig. 5 c Shown, line packet 120 includes mainly first coil 121-1, the second coil 121-2 and connecting line 122.In reactor 100, first Coil 121-1 and the second coil 121-2 is sheathed on the first wrapping post 111-1 and the second wrapping post 111-2 in magnetic core 110 respectively On.Connecting line 122 is mainly used for connecting first coil 121-1 and the second coil 121-2.In some embodiments, first coil 121-1 and the second coil 121-2 can by flat wire it is vertical around into.In some embodiments, connecting line 122 can be by flat wire It bends.In some embodiments, first coil 121-1, the second coil 121-2 and connecting line 122 can be flat by same root Horizontal line is constituted.In conjunction with shown in Fig. 5 a and Fig. 5 b, corresponding to the first wrapping post 111-1 and the second wrapping post 111-2 has rectangle Cross section, first coil 121-1 and the second coil 121-2 have the cross section of round rectangle.

In some embodiments, the cross section of flat wire can be rectangle.Preferably, the ratio of the broadside of flat wire and narrow side Example is more than 1.It is appreciated that the cross section of flat wire can also be other shapes, such as kidney ellipsoid or class kidney ellipsoid.In some realities It applies in example, flat wire can be the enameled wire or film packet sintering line of copper material or aluminium.Preferably, these enameled wires or the sintering of film packet The insulating layer of line is resistant to 180 DEG C or more of temperature.Preferably, it is vertical can to meet flat wire broadside for the flexibility of the insulating layer Stretching and compression around bending require, to ensure the performance requirement of flat line insulating layer after coiling bending.

In some embodiments, first coil 121-1 includes the first exit 121- for being connect with connecting line 122 1a, the second coil 121-2 include the second exit 121-2a for being connect with connecting line 122.Preferably, the first exit 121-1a and the second exit 121-2a is located at axis a1, a2 determination of first coil 121-1 and the second coil 121-2 The both sides of face s.It is appreciated that when axis a1 is parallel with axis a2, the face s that axis a1 and axis a2 are determined is a flat surface, As axis a1 and axis a2 not parallel, the face s that axis a1 and axis a2 are determined is a curved surface.

In some embodiments, first coil 121-1 further include for the first lead-out wire 121-1b with external connection, with External electric current is introduced in line packet 120, or the electric current in line packet 120 is led into outside；Second coil 121-2 is also wrapped It includes for the second lead-out wire 121-2b with external connection, external electric current is introduced in line packet 120, or by line packet Electric current in 120 leads to outside.It is appreciated that when the first lead-out wire 121-1b is as input terminal, external electric current is introduced When to line packet 120, the second lead-out wire 121-2b is output to outside as output end, by the electric current in line packet 120.It can equally manage Solution, when the second lead-out wire 121-2b is as input terminal, when external electric current is introduced to line packet 120, the first lead-out wire 121-1b As output end, the electric current in line packet 120 is output to outside.

In some embodiments, first coil 121-1 and the second coil 121-2 can be with the number of turns having the same.Another In a little embodiments, first coil 121-1 and the second coil 121-2 can have the different number of turns.

In some embodiments, the flat wire of first coil 121-1 and the second coil 121-2 can be with having the same transversal Face size.In further embodiments, the flat wire of first coil 121-1 and the second coil 121-2 can have different cross Sectional dimension.

In some embodiments, first coil 121-1 and the second coil 121-2 has opposite direction of winding.Such as the One coil 121-1 is with coiling clockwise, then the second coil 121-2 is with coiling counterclockwise.In another example first coil 121-1 is with inverse Hour hands coiling, then the second coil 121-2 is with coiling clockwise.

Fig. 6 a are the schematic three dimensional views of the connecting line of the utility model some embodiments.Fig. 6 b are the connecting lines shown in Fig. 6 a Rearview.Fig. 6 c are the side views of the connecting line shown in Fig. 6 a.Fig. 6 d are the vertical views of the connecting line shown in Fig. 6 a.In conjunction with ginseng Examine shown in Fig. 6 a to 6d, connecting line 122 include set gradually the first bending part 122a, the second bending part 122b, straight portion 122c, Third bending part 122d, the 4th bending part 122e.In some embodiments, the width of flat wire faces out in the first bending part 122a The direction d2 that the direction d1 of extension and the width of flat wire in the 4th bending part 122e extend outwardly is generally aligned in the same plane, such as Fig. 6 d It is shown.

Flat wire in first bending part 122a is bent in its wide face, that is to say, that the first bending part 122a can be by flat Horizontal line bends to obtain in its wide face.It is appreciated that the width face refers to the face being made of the broadside of flat wire.First bending part The bending angle of 122a, the radius of bending can be determined according to the concrete structure of reactor 100, arrangement.Preferably, first is curved The bending angle of folding part 122a is 90 °.In conjunction with shown in Fig. 5 a and Fig. 6 a, the of the first bending part 122a and first coil 121-1 One exit 121-1a connections, the first bending part 122a can be bent towards the reverse direction of first coil 121-1, i.e., with first coil Face on the basis of face where the last lap of 121-1 is bent towards the direction for having coil.Come with the orientation of line packet shown in Fig. 5 a It says, the first bending part 122a bends inwards.It is appreciated that the first bending part 122a can also be along the direction of first coil 121-1 Bending, i.e., the face on the basis of the face where the last lap of first coil 121-1 are bent towards the direction of not coil.With Fig. 5 a Shown in line packet orientation for, the first bending part 122a outward bendings.

Flat wire in second bending part 122b is bent in its leptoprosopy, that is to say, that the second bending part 122b can be by flat Horizontal line bends to obtain in its leptoprosopy.It is appreciated that the leptoprosopy refers to the face being made of the narrow side of flat wire.Second bending part The bending angle of 122b, the radius of bending can be determined according to the concrete structure of reactor 100, arrangement.Preferably, second is curved The bending angle of folding part 122b is 90 °.In conjunction with shown in Fig. 5 a and Fig. 6 a, the second bending part 122b is towards first coil 121-1 and The internal bend of two coil 121-2 adjacent spaces.For the orientation of line packet shown in Fig. 5 a, the second bending part 122b is turned under Folding.

Straight portion 122c is one section of flat wire not bent.The both ends of straight portion 122c respectively with the second bending part 122b and third Bending part 122d connections.For the orientation of line packet shown in Fig. 5 a, straight portion 122c extends from top to bottom.

Flat wire in third bending part 122d is bent in its leptoprosopy, that is to say, that third bending part 122d can be by flat Horizontal line bends to obtain in its leptoprosopy.It is appreciated that the leptoprosopy refers to the face being made of the narrow side of flat wire.Third bending part The bending angle of 122d, the radius of bending can be determined according to the concrete structure of reactor 100, arrangement.Preferably, third is curved The bending angle of folding part 122d is 90 °.In conjunction with shown in Fig. 5 a and Fig. 6 a, third bending part 122d towards first coil 121-1 most Face bending where latter circle.For the orientation of line packet shown in Fig. 5 a, third bending part 122d outward bendings.

Flat wire in 4th bending part 122e is bent in its wide face, that is to say, that the 4th bending part 122e can be by flat Horizontal line bends to obtain in its wide face.It is appreciated that the width face refers to the face being made of the broadside of flat wire.4th bending part The bending angle of 122e, the radius of bending can be determined according to the concrete structure of reactor 100, arrangement.Preferably, the 4th is curved The bending angle of folding part 122e is 90 °.In conjunction with shown in Fig. 5 a and Fig. 6 a, the of the 4th bending part 122e and the second coil 121-2 Two exit 121-2a connections, the direction bending where the 4th bending part 122e towards the second exit 121-2a.Shown in Fig. 5 a Line packet orientation for, the 4th bending part 122e is bent to the left.

It is appreciated that can also have without the flat of bending between the first bending part 122a and the second bending part 122b Line.Similarly, there can also be the flat wire without bending between third bending part 122d and the 4th bending part 122e.

In conjunction with shown in Fig. 5 a, Fig. 5 b and Fig. 6 a, straight portion 122c is at least partially disposed at first coil 121-1 and the second coil Between 121-2, and directly the wide face of flat wire is flat in first coil 121-1 and/or the second coil 121-2 in portion 122c The wide face of line.

The three-dimensional signal for the line packet that Fig. 7 a are the cross sections of the wrapping post of the utility model some embodiments when being kidney ellipsoid Figure.Fig. 7 b are the rearviews of the line packet shown in Fig. 7 a.Fig. 7 c are the vertical views of the line packet shown in Fig. 7 a.In conjunction with reference to figure 7a to figure Shown in 7c, line packet 120 includes mainly first coil 121-1, the second coil 121-2 and connecting line 122.In reactor 100, the One coil 121-1 and the second coil 121-2 is sheathed on the first wrapping post 111-1 and the second wrapping post in magnetic core 110 respectively On 111-2.Connecting line 122 is mainly used for connecting first coil 121-1 and the second coil 121-2.In some embodiments, first Coil 121-1 and the second coil 121-2 can by flat wire it is vertical around into.In some embodiments, connecting line 122 can be by flat Horizontal line is bent.In some embodiments, first coil 121-1, the second coil 121-2 and connecting line 122 can be by same Root flat wire is constituted.In conjunction with shown in Fig. 7 a and Fig. 7 b, corresponding to the first wrapping post 111-1 and the second wrapping post 111-2 has waist The equally cross section with kidney ellipsoid circular cross section, first coil 121-1 and the second coil 121-2.

In some embodiments, the cross section of flat wire can be rectangle.Preferably, the ratio of the broadside of flat wire and narrow side Example is more than 1.It is appreciated that the cross section of flat wire can also be other shapes, such as kidney ellipsoid or class kidney ellipsoid.In some realities It applies in example, flat wire can be the enameled wire or film packet sintering line of copper material or aluminium.Preferably, these enameled wires or the sintering of film packet The insulating layer of line is resistant to 180 DEG C or more of temperature.Preferably, it is vertical can to meet flat wire broadside for the flexibility of the insulating layer Stretching and compression around bending require, to ensure the performance requirement of flat line insulating layer after coiling bending.

In some embodiments, first coil 121-1 includes the first exit 121- for being connect with connecting line 122 1a, the second coil 121-2 include the second exit 121-2a for being connect with connecting line 122.Preferably, the first exit 121-1a and the second exit 121-2a is located at axis a1, a2 determination of first coil 121-1 and the second coil 121-2 The both sides of face s.It is appreciated that when axis a1 is parallel with axis a2, the face s that axis a1 and axis a2 are determined is a flat surface, As axis a1 and axis a2 not parallel, the face s that axis a1 and axis a2 are determined is a curved surface.

In some embodiments, first coil 121-1 further include for the first lead-out wire 121-1b with external connection, with External electric current is introduced in line packet 120, or the electric current in line packet 120 is led into outside；Second coil 121-2 is also wrapped It includes for the second lead-out wire 121-2b with external connection, external electric current is introduced in line packet 120, or by line packet Electric current in 120 leads to outside.It is appreciated that when the first lead-out wire 121-1b is as input terminal, external electric current is introduced When to line packet 120, the second lead-out wire 121-2b is output to outside as output end, by the electric current in line packet 120.It can equally manage Solution, when the second lead-out wire 121-2b is as input terminal, when external electric current is introduced to line packet 120, the first lead-out wire 121-1b As output end, the electric current in line packet 120 is output to outside.

In some embodiments, first coil 121-1 and the second coil 121-2 can be with the number of turns having the same.Another In a little embodiments, first coil 121-1 and the second coil 121-2 can have the different number of turns.

In some embodiments, the flat wire of first coil 121-1 and the second coil 121-2 can be with having the same transversal Face size.In further embodiments, the flat wire of first coil 121-1 and the second coil 121-2 can have different cross Sectional dimension.

In some embodiments, first coil 121-1 and the second coil 121-2 has opposite direction of winding.Such as the One coil 121-1 is with coiling clockwise, then the second coil 121-2 is with coiling counterclockwise.In another example first coil 121-1 is with inverse Hour hands coiling, then the second coil 121-2 is with coiling clockwise.

Fig. 8 a are the schematic three dimensional views of the connecting line of the utility model other embodiments.Fig. 8 b are the connections shown in Fig. 8 a The rearview of line.Fig. 8 c are the side views of the connecting line shown in Fig. 8 a.Fig. 8 d are the vertical views of the connecting line shown in Fig. 8 a.In conjunction with With reference to shown in figure 8a to 8d, connecting line 122 includes the first bending part 122a, the second bending part 122b, straight portion set gradually 122c, third bending part 122d, the 4th bending part 122e.In some embodiments, in the first bending part 122a flat wire width The direction d2 that the width of the direction d1 and flat wire in the 4th bending part 122e that extend outwardly extend outwardly is generally aligned in the same plane, As shown in figure 8d.

Flat wire in first bending part 122a is bent in its wide face, that is to say, that the first bending part 122a can be by flat Horizontal line bends to obtain in its wide face.It is appreciated that the width face refers to the face being made of the broadside of flat wire.First bending part The bending angle of 122a, the radius of bending can be determined according to the concrete structure of reactor 100, arrangement.Preferably, first is curved The bending angle of folding part 122a is 90 °.In conjunction with shown in Fig. 7 a and Fig. 8 a, the of the first bending part 122a and first coil 121-1 One exit 121-1a connections, the first bending part 122a can be bent towards the reverse direction of first coil 121-1, i.e., with first coil Face on the basis of face where the last lap of 121-1 is bent towards the direction for having coil.Come with the orientation of line packet shown in Fig. 7 a It says, the first bending part 122a bends inwards.It is appreciated that the first bending part 122a can also be along the direction of first coil 121-1 Bending, i.e., the face on the basis of the face where the last lap of first coil 121-1 are bent towards the direction of not coil.With Fig. 7 a Shown in line packet orientation for, the first bending part 122a outward bendings.

Flat wire in second bending part 122b is bent in its leptoprosopy, that is to say, that the second bending part 122b can be by flat Horizontal line bends to obtain in its leptoprosopy.It is appreciated that the leptoprosopy refers to the face being made of the narrow side of flat wire.Second bending part The bending angle of 122b, the radius of bending can be determined according to the concrete structure of reactor 100, arrangement.Preferably, second is curved The bending angle of folding part 122b is 90 °.In conjunction with shown in Fig. 7 a and Fig. 8 a, the second bending part 122b is towards first coil 121-1 and The internal bend of two coil 121-2 adjacent spaces.For the orientation of line packet shown in Fig. 7 a, the second bending part 122b is turned under Folding.

Straight portion 122c is one section of flat wire not bent.The both ends of straight portion 122c respectively with the second bending part 122b and third Bending part 122d connections.For the orientation of line packet shown in Fig. 7 a, straight portion 122c extends from top to bottom.

Flat wire in third bending part 122d is bent in its leptoprosopy, that is to say, that third bending part 122d can be by flat Horizontal line bends to obtain in its leptoprosopy.It is appreciated that the leptoprosopy refers to the face being made of the narrow side of flat wire.Third bending part The bending angle of 122d, the radius of bending can be determined according to the concrete structure of reactor 100, arrangement.Preferably, third is curved The bending angle of folding part 122d is 90 °.In conjunction with shown in Fig. 7 a and Fig. 8 a, third bending part 122d towards first coil 121-1 most Face bending where latter circle.For the orientation of line packet shown in Fig. 7 a, third bending part 122d outward bendings.

Flat wire in 4th bending part 122e is bent in its wide face, that is to say, that the 4th bending part 122e can be by flat Horizontal line bends to obtain in its wide face.It is appreciated that the width face refers to the face being made of the broadside of flat wire.4th bending part The bending angle of 122e, the radius of bending can be determined according to the concrete structure of reactor 100, arrangement.Preferably, the 4th is curved The bending angle of folding part 122e is 90 °.In conjunction with shown in Fig. 7 a and Fig. 7 a, the of the 4th bending part 122e and the second coil 121-2 Two exit 121-2a connections, the direction bending where the 4th bending part 122e towards the second exit 121-2a.Shown in Fig. 7 a Line packet orientation for, the 4th bending part 122e is bent to the left.

It is appreciated that can also have without the flat of bending between the first bending part 122a and the second bending part 122b Line.Similarly, there can also be the flat wire without bending between third bending part 122d and the 4th bending part 122e.

In conjunction with shown in Fig. 7 a, Fig. 7 b and Fig. 8 a, straight portion 122c is at least partially disposed at first coil 121-1 and the second coil Between 121-2, and directly the wide face of flat wire is flat in first coil 121-1 and/or the second coil 121-2 in portion 122c The wide face of line.

It is appreciated that the cross-sectional shape of the first coil 121-2 and the second coil 121-2 shown by Fig. 5 a and Fig. 7 a It is some examples, the cross section of first coil 121-2 and the second coil 121-2 can also be other shapes, such as round, oval Shape etc. is matched with the cross section with the first wrapping post 112-1 and the second wrapping post 112-2, and the utility model is to first coil The cross section of 121-2 and the second coil 121-2 do not limit.

In some embodiments, the flat wire of connecting line 122 can have and first coil 121-1 and/or the second coil The identical cross sectional dimensions of flat wire of 121-2.In further embodiments, the flat wire of connecting line 122 can have and the The different cross sectional dimensions of the flat wire of one coil 121-1 and/or the second coil 121-2.

For the first coil 121-1, the second coil 121-2 and company in some embodiments, being made of same root flat wire Wiring 122 can use vertical around the progress coiling of flat wire winding.Specifically, it can be set on flat wire winding vertical It sets the size of coil, roll up the parameters such as transition wire bending, length of lead-out wire, laser peeling length between number, coil.Then, by standing Coiling first is carried out to one of coil around flat wire winding, after the completion of first coil winding, followed by coil Between transition connecting line bending processing, it is not necessary that coil is removed from vertical on flat wire winding, it is vertical can around flat wire winding With according to the requirement of setting, the bending that automatic realization is attached flat wire on line is handled, and after the completion of connecting line bending processing, is stood Second coil winding is then carried out around flat wire winding, after the completion of coiling, stands the extraction around flat wire winding to coil The insulating layer of line carries out shearing work according to requiring automatically to be removed, and to lead-out wires of coil according to the requirement of length.

Bending for the connecting line 122 in some embodiments, can be performed as follows：The coiling of first coil 121-1 The exit of last lap is on the top (as shown in Fig. 5 a, 7a) of coil, parallel along coil direction to the broadside of flat wire, Inwardly carry out 90 ° of right-angle bendings；After flat wire bending, after segment length distance, then the narrow side of flat wire is carried out down 90 ° of right-angle bendings, flat wire continues up to the lower part of coil, then carries out 90 ° of right-angle bendings outward to the narrow side of flat wire, it Afterwards using a distance, then 90 ° of right-angle bendings, the broadside of the flat wire after bending, with first are carried out to the broadside of flat wire The broadside of secondary bending flat wire, in the same plane, such connecting line are connected to regard to transition on the second coil 121-2.

After the first coil 121-1 being made of same root flat wire, the second coil 121-2 and connecting line 122 are made, First coil 121-1 and the second coil 121-2 can be directly inserted on corresponding wrapping post respectively, be assembled into the magnetic of closure Road, and through connecing the operations such as glue or other structures fastening, the reactor 100 of some embodiments of the utility model can finally be made.

First coil 121-1, the second coil 121-2 in the reactor 100 of some embodiments of the utility model is using flat Horizontal line is vertical around spiral, and two coils, and the two are respectively set in reactance strong 100 on two wrapping posts of the same closed magnetic circuit A winding is made in coil connection connection.Since reactor 100 uses flat wire design, high current big inductance quantity can be met It is required that high frequency characteristics is good, compact dimensions.

In addition, due to first coil 121-1, the second coil in the reactor 100 of some embodiments of the utility model 121-2 and connecting line 122 can be made of same root flat wire, use special connecting wire structure, be carried out to two coils It is connected in series with, is easy to implement the continuous spiral of integration.The shorting stub connection type that is used with existing two coils crimps or weldering The connection type connect is compared, and without using other any materials such as shorting stub, crimp type terminal, scolding tin, insulating sleeve, while not being deposited In connection reliability problem, and reduce product size, saves working hour, production efficiency can be improved.

Although the utility model is described with reference to current specific embodiment, ordinary skill in the art Personnel it should be appreciated that more than embodiment be intended merely to illustrate the utility model, be detached from the spirit of the present invention no In the case of can also make various equivalent change or replacement, therefore, as long as to upper in the spirit of the utility model State the variation of embodiment, modification will all be fallen in the range of following claims.

Claims (10)

1. a kind of reactor, including magnetic core and line packet, it is characterised in that：

The magnetic core includes at least the first wrapping post and the second wrapping post on same closed magnetic circuit, and the line packet includes at least The first coil that is sheathed on first wrapping post, the second coil for being sheathed on second wrapping post and connection described first The connecting line of coil and second coil, wherein the first coil and second coil are vertical around into institute by flat wire It states connecting line to be bent by the flat wire, the first coil, second coil and the connecting line are by same flat Line is constituted.

2. reactor according to claim 1, which is characterized in that the first coil includes being connect with the connecting line First exit, second coil include the second exit being connect with the connecting line, first exit and described Second exit is located at the both sides in the face that the axis of the first coil and second coil determines jointly.

3. reactor according to claim 1 or 2, which is characterized in that the connecting line include set gradually it is first curved Folding part, the second bending part, straight portion, third bending part and the 4th bending part, flat wire described in first bending part is in its width Face is bent, and flat wire described in second bending part is bent in its leptoprosopy, and the straight portion does not bend described flat for one section Line, flat wire described in the third bending part are bent in its leptoprosopy, and flat wire described in the 4th bending part is in its wide face Bending, the wide direction extended outwardly of flat wire described in first bending part with it is flat described in the 4th bending part The direction that the width of line extends outwardly is generally aligned in the same plane.

4. reactor according to claim 3, which is characterized in that the straight portion be at least partially disposed at the first coil and Between second coil, and the wide face of flat wire described in the straight portion is perpendicular to the first coil and/or described second The wide face of flat wire described in coil.

5. reactor according to claim 1, which is characterized in that the number of turns phase of the first coil and second coil Together.

6. reactor according to claim 1, which is characterized in that the cross section ruler of the flat wire of the first coil It is very little identical as the cross sectional dimensions of the flat wire of the second coil.

7. reactor according to claim 1, which is characterized in that the coiling side of the first coil and second coil To opposite.

8. reactor according to claim 1, which is characterized in that the flat wire is the enameled wire or film of copper material or aluminium Packet sintering line.

9. reactor according to claim 1, which is characterized in that the magnetic core is UU types structure or is spliced by block magnetic cores At class UU type structures.

10. the reactor according to claim 1 or 9, which is characterized in that first wrapping post and second wrapping post Cross section be rectangle or kidney ellipsoid, the cross section of the first coil and second coil is correspondingly round rectangle or waist It is round.