CN209029215U - A kind of inductance - Google Patents
A kind of inductance Download PDFInfo
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- CN209029215U CN209029215U CN201821377961.4U CN201821377961U CN209029215U CN 209029215 U CN209029215 U CN 209029215U CN 201821377961 U CN201821377961 U CN 201821377961U CN 209029215 U CN209029215 U CN 209029215U
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Abstract
The utility model embodiment proposes a kind of inductance, including the first winding, the second winding and the first connector, first winding and second winding are arranged along the vertical direction, first winding includes the M circle coil overlapped, second winding includes the N circle coil overlapped, and the M circle coil is electrically connected by first connector with the N circle coil, M >=2, N >=2, M, N are integer.According to the inductance of the utility model embodiment, first winding includes M circle coil, second winding includes N circle coil, first winding and the electrical connection of the second winding, improve the integrated level of inductance coil, reduce the assembly technology of inductance coiling, the inductance size of inductance is related to the total number of turns of the first winding 1 and the second winding 2, can satisfy the demand of high-power inductance.
Description
Technical field
The utility model relates to a kind of inductance.
Background technique
Prior art discloses a kind of high frequency planar inductor, the winding of the film inductor is by single turn copper foil windings group
At there are three single-turn circular coil, two pins (mounting plate) of the inductance to be separately positioned on the end of coil, set on coil for the inductance
There are boss and/or groove, two neighboring coil is cooperatively connected by boss and groove, and boss is welded after connecting with groove by silver soldering
It is connected together.
The inductance has the disadvantage that every layer line circle is single-turn circular coil, is unable to satisfy the requirement of multiturn number inductance；Coil and line
It encloses junction only to weld by silver soldering, welding quality is unable to get guarantee, coil and coil junction through super-high-current, such as connects
It is unreliable to will cause product fever seriously；Processing boss, groove and mounting plate are needed on the single-turn circular coil of the invention, need to use copper plate
Machine adds, and processing cost is high and mass production production efficiency is not high；Two pins of the invention planar inductor are due in list
The end of circle coil, two pins are one high and one low to be cannot keep in one plane, and inductance is not easy to be assembled in other structures.
Summary of the invention
The utility model is intended to solve one of the technical problem in above-mentioned technology at least to a certain extent.For this purpose, this reality
It is to propose a kind of inductance with first novel purpose, makes easy to assembly.
In order to achieve the above objectives, the utility model embodiment proposes a kind of inductance, including the first winding, the second winding and
First connector, first winding and second winding are arranged along the vertical direction, and first winding includes overlapping
M circle coil, second winding includes the N circle coil overlapped, first connector by the M circle coil with it is described
The electrical connection of N circle coil, M >=2, N >=2, M, N are integer.
According to the inductance of the utility model embodiment, the first winding includes M circle coil, and the second winding includes N circle coil, the
One winding and the electrical connection of the second winding, improve the integrated level of inductance coil, reduce the assembly technology of inductance coiling, inductance
Inductance size is related to the total number of turns of the first winding 1 and the second winding 2, can satisfy the demand of high-power inductance.
Some embodiments according to the present utility model, including the first pin, at least one coil of the M circle coil and institute
The electrical connection of the first pin is stated, first pin is current input terminal.
Some embodiments according to the present utility model, including second pin, at least one coil of the N circle coil and institute
Second pin electrical connection is stated, the second pin is current output terminal.
Some embodiments according to the present utility model, the M circle coil and the N circle coil are equipped with the first connecting hole, institute
The first connector is stated across first connecting hole, the periphery wall of first connector connects with the first connecting hole inner wall
Touching.
Some embodiments according to the present utility model, the gap between first connector and the first connecting hole is by filling out
It fills.
Some embodiments according to the present utility model, the binding face electrical connection of the two neighboring coil of the M circle coil, institute
State the binding face electrical connection of the two neighboring coil of N circle coil.
At least one coil of some embodiments according to the present utility model, including the second connector, the M circle coil is logical
The second connector is crossed to be electrically connected with first pin.
Some embodiments according to the present utility model, first pin are flushed with the lower end surface of the second pin.
Some embodiments according to the present utility model are equipped with the first felt pad between first winding and the second winding
Piece.
Some embodiments according to the present utility model, first insulation spacer are equipped with the first pad hole, and described first connects
Fitting passes through first pad hole.
Some embodiments according to the present utility model, first winding upper end be equipped with the second insulation spacer, described second
Winding lower end is equipped with third insulation spacer.
Some embodiments according to the present utility model, including magnetic core, the magnetic core include upper magnetic core and lower magnetic core, and described
Two insulation spacers and the third insulation spacer are respectively equipped with the second pad hole corresponding with first pad hole and third pad
Film perforation, at least one of the upper magnetic core and the lower magnetic core pass through the first pad hole, the second pad hole and third pad hole,
And the upper magnetic core is connected with the lower magnetic core.
Some embodiments according to the present utility model are equipped with air gap between the upper magnetic core and the contact surface of the lower magnetic core
Piece.
Detailed description of the invention
Fig. 1 is a kind of the first winding of inductance of the utility model and the assembling schematic diagram of the second winding；
Fig. 2 is a kind of the first winding of inductance of the utility model and the explosive view of the second winding；
Fig. 3 is a kind of the first winding of inductance of the utility model and the top view of the second winding；
Fig. 4 is a kind of structural schematic diagram of the first winding of inductance of the utility model；
Fig. 5 is a kind of structural schematic diagram of the second winding of inductance of the utility model；
Fig. 6 is a kind of structural schematic diagram of the single-turn circular coil of the first winding of inductance of the utility model；
Fig. 7 is a kind of structural schematic diagram of the single-turn circular coil of the second winding of inductance of the utility model；
Fig. 8 is a kind of structural schematic diagram of the first pin of inductance of the utility model；
Fig. 9 is a kind of upper magnetic core of inductance of the utility model and the connection schematic diagram of lower magnetic core；
Figure 10 is a kind of integral installation distribution structure schematic diagram of inductance of the utility model.
Appended drawing reference:
First winding 1, the first gap 11, first lug 12, the second lug 13, first connecting portion 14, the second connecting hole
141, second connecting portion 15, the first connecting hole 151, the second winding 2, the second gap 21, third lug 22, third interconnecting piece 23,
4th interconnecting piece 24, the first pin 3, the first pin bores 31, second pin 4, second pin hole 41, the first connector 6, second connect
Fitting 5, the first insulation spacer 7, the first pad hole 71, the second insulation spacer 8, the second pad hole 81, third insulation spacer 9,
Three pad holes 91, magnetic core 10, upper magnetic core 101, lower magnetic core 102, air gap piece 103, the first pillar 1001, the second pillar 1002,
Three pillars 1003.
Specific embodiment
The embodiments of the present invention are described below in detail, the example of embodiment is shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment that Fig. 1-10 is described is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
As shown in Figure 1, the utility model embodiment proposes a kind of inductance, including the first winding, the second winding and first
Connector 6, the first winding and the second winding are arranged along the vertical direction, and the first winding includes the M circle coil overlapped, second around
Group includes the N circle coil overlapped, and the first winding is electrically connected with the second winding by the first connector 6, M >=2, N >=2, M, N
For integer.
It is understood that the specification and parameter of any one coil of M circle coil are all identical, by pressed and overlapped one
Rise, the specification and parameter of any one coil of N circle coil are all identical, forced together by overlapping, M and N can it is identical can also
With not identical.First connector 6 can be rivet, positioning pin, bolt, as long as the first winding 1 is fixedly connected with the second winding 2
And it is connected.
According to the inductance of the utility model embodiment, the first winding includes M circle coil, and the second winding includes N circle coil, the
One winding and the electrical connection of the second winding, improve the integrated level of inductance coil, reduce the assembly technology of inductance coiling, inductance
Inductance size is related to the total number of turns of the first winding 1 and the second winding 2, can satisfy the demand of high-power inductance.
Further, as shown in Fig. 2, the first winding 1 and the second winding 2 are connected by the first connector 6.First connector
6 can be rivet, positioning pin, bolt.First winding 1 and the second winding 2 are connected by the first connector 6, on the one hand can be square
Just it dismantles, on the other hand can be convenient inductance and accesses the assembly of circuit.The coil turn of prior art winding excessively will lead to
The installation site of first pin 3 and second pin 4 in same plane, does not need additional erector and mounting base to transfer.
First winding 1 and the second winding 2 are independent mating, the first winding 1, the second winding 2 thickness can be according to inductance size requirement
Setting, is not only restricted to the structure of the first pin 3 and second pin 4, the upper surface of first pin 3 of the utility model embodiment with
The upper surface of second pin 4 flushes, and the lower end surface of the first pin 3 is flushed with the lower end surface of second pin 4, and the first pin 3
It is located at the ipsilateral of the second winding 2 with second pin 4, the installation site of the first pin 3 and second pin 4 can be made to be maintained at same
Plane.
One embodiment according to the present utility model, the first winding 1 and the second winding 2 carry out riveting by solid rivet,
A complete circuit is formed after making the first winding 1, the second winding 2 and access circuit connection, in order to reach preferably connection effect
Fruit, by resistance welding, the high temperature generated when passing through resistance welding makes the tin on each layer single layer coil surface for solid rivet junction
Melt and reconnect, makes connection reliability that there is double shield, ensure that the impact of the mechanical strength and high current of winding assembly.
Specifically, as shown in Fig. 2, including the first pin 3, at least one coil of M circle coil is electrically connected with the first pin 3
It connects, the first pin 3 is current input terminal.
Further, one end of at least one coil of M circle coil is connect by the second connector 5 with the first pin 3.The
One winding 1 and the first pin 3 are connected by the second connector 5, on the one hand be can be convenient disassembly, on the other hand be can be convenient part
Processing, the first winding 1 and the first pin 3 are independent mating, and the thickness of the first winding 1 can be set according to inductance size requirement
It sets, is not only restricted to the structure of the first pin 3.
One embodiment according to the present utility model, the first winding 1 and the first pin 3 are connected to by tubular rivet riveting
Together, after riveting, pin and junction is installed and handled again by wicking, keeps junction more reliable.It is according to the present utility model another
One embodiment, one end of any one coil of the first winding 1 and the first pin 3 can also be and be directly connected to.
Specifically, including second pin 4, at least one coil of N circle coil are electrically connected with second pin 4, second pin 4
For current output terminal.First pin 3 of the utility model embodiment is current input terminal, and second pin 4 is current output terminal, root
According to another embodiment of the utility model, the first pin 3 is current output terminal, and second pin 4 is current input terminal.
Further, including second pin, any one coil of one end of each coil of N circle coil with M circle coil
One end be electrically connected by the first connector 6, the other end connect with second pin 4, and the second pin 4 is that electric current exports
End.
Optionally, as shown in Fig. 2, the other end of each coil of N circle coil is directly connected to second pin 4.Second around
Group 2 can also be connected with second pin 4 by third connector (not shown), and third connector can be rivet, positioning
Pin, bolt, as long as the second winding 2 and the conducting of second pin 4 and the effect being fixedly connected may be implemented.
Specifically, M circle coil and N circle coil are equipped with the first connecting hole 151, and the first connector 6 passes through the first connecting hole
151, the periphery wall of the first connector 6 is contacted with 151 inner wall of the first connecting hole.The periphery wall of first connector 6 is connect with first
The contact of 151 inner wall of hole guarantees that M circle coil is reliably electrically connected by the first connector 6 with N circle coil.
Further, the gap between the first connector 6 and the first connecting hole 151 is filled by welding material.This is practical
The welding material of novel preferred embodiment is tin, fills the welding material in the gap between the first connector 6 and the first connecting hole 151
Material is not limited to the present embodiment, as long as the first connector 6 is electrically connected reliably with the first connecting hole 151.
It should be noted that one end of M circle coil, one end of each coil of M circle coil, 1 one end of the first winding, first
Lug 12 is equivalent；The other end of M circle coil, the other end of each coil of M circle coil, 1 other end of the first winding,
Two lugs 13 are equivalent.One end of N circle coil, one end of each coil of N circle coil, 2 one end of the second winding, third are convex
Ear 22 is equivalent；The other end of N circle coil, the other end of each coil of N circle coil, 2 other end of the second winding are phase
With the meaning.
It is understood that first winding 1 and the first pin 3 are equipped with corresponding second hole 141 as shown in Fig. 4 to 8,
Second connector 5 passes through the second connecting hole 141, and the first winding 1 is fixedly connected and is connected with the first pin 3.First winding, 1 He
Second winding 2 is equipped with corresponding first connecting hole 151, and the first connector 6 passes through the first connecting hole 151, by 1 He of the first winding
Second winding 2 is fixedly connected and is connected.In addition, the first pin 3 is equipped with the first pin bores 31, for company to be connected with current input terminal
It connects, the first pin 3 can be equipped with second pin hole by rivet, bolt, positioning pin connection, second pin 4 with circuit input end
41, for connection to be connected with current input terminal, second pin 4 and circuit output end can be connected by rivet, bolt, positioning pin
It connects.According to another embodiment of the utility model, the first pin 3 is connect with current output terminal, and the first pin 3 connects with current input terminal
It connects, the polarity of the first pin 3 and second pin 4 is arranged according to inductance to be determined, is not limited to the present embodiment.
Preferably, the first pin 3 is flushed with the lower end surface of the second pin 4.One end of first winding 1 and the second winding
2 one end connection, the other end of the first winding 1 are connect with the first pin 3, and the other end and second pin 4 of the second winding 2 connect
It connecing, the lower end surface of the first pin 3 is flushed with the lower end surface of second pin 4, i.e. the contact surface of the first pin 3 and current input terminal,
Second pin 4 is flushed with the contact surface of current output terminal, i.e. the installation site of the first pin 3 and second pin 4 flushes.
According to the inductance of the utility model embodiment, the upper surface of the first pin 3 is flushed with the upper surface of second pin 4,
The lower end surface of first pin 3 is flushed with the lower end surface of second pin 4, i.e. the consistency of thickness of the first pin 3 and second pin 4, the
One pin 3 is consistent with the mounting height of second pin 4, and the first pin 3 and second pin 4 are located at the ipsilateral of the second winding 2,
It is connect respectively with current input terminal and current output terminal convenient for the first pin 3, second pin 4, convenient for inductance and accesses circuit
Assembly, transfers without additional connector or mounting base.
Specifically, the two neighboring coil of the M circle coil binding face electrical connection, the N circle coil it is two neighboring
The binding face of coil is electrically connected.
Preferably, the first winding 1 includes multiturn coil, and multiturn coil overlaps together.The coil turn of first winding 1 is several
It is arranged according to the inductance size of inductance, multiturn coil overlaps together, the binding face electrical connection of two neighboring coil, improves the
The integrated level of one winding 1.The single-turn circular coil of first winding 1 is as shown in fig. 6, the first winding 1 includes that multiturn coil is as shown in Figure 4.
Single-turn circular coil the techniques such as can cut by mould punching, line, be cut by laser and be process, and single-turn circular coil surface be electroplated tin plating
Processing, can increase the electric conductivity and oxidation resistance of coil.
Preferably, the second winding 2 includes multiturn coil, and multiturn coil overlaps together.The coil turn of second winding 2 is several
It is arranged according to the inductance size of inductance, multiturn coil overlaps together, the binding face electrical connection of two neighboring coil, improves the
The integrated level of two windings 2.The single-turn circular coil of second winding 2 is as shown in fig. 7, the second winding 2 includes that multiturn coil is as shown in Figure 5.
Single-turn circular coil the techniques such as can cut by mould punching, line, be cut by laser and be process, and single-turn circular coil surface be electroplated tin plating
Processing, can increase the electric conductivity and oxidation resistance of coil.
It is understood that the first pin 3 includes multiturn coil, multiturn coil is overlapped together.The single turn of first pin 3
Coil is as shown in figure 8, the first pin 3 includes that multiturn coil is as shown in Figure 4.2 one of second pin 4 and the second winding, such as Fig. 5 institute
Show, the second winding 2 is consistent with the coil thickness of second pin 4.
Specifically, as shown in figure 4, the first winding 1 is in swirl shape, the first winding 1 includes that first connecting portion 14 and second connect
Socket part 15, first connecting portion 14 are connect around second connecting portion 15, first connecting portion 14 with the first pin 3.First connecting portion 14
For the outer ring of the first winding 1, second connecting portion 15 is the inner ring of the first winding 1, and first connecting portion 14 surrounds second connecting portion 15,
The direction that first connecting portion 14 rotates outward extends, and direction of rotation extends second connecting portion 15 inside.First connecting portion 14 is outwardly
End, that is, first lug 12 of extension is equipped with corresponding second connecting hole 141 with the first pin 3, and second connecting portion 15 extends inwardly
End i.e. the second lug 13 and the second winding 2 be equipped with corresponding first connecting hole 151.
Specifically, as shown in figure 5, the second winding 2 is in swirl shape, the second winding 2 includes that third interconnecting piece 23 and the 4th connect
Socket part 24, the 4th interconnecting piece 24 are connect around third interconnecting piece 23, the 4th interconnecting piece 24 with second pin 4.4th interconnecting piece 24
For the outer ring of the first winding 1, third interconnecting piece 23 is the inner ring of the first winding 1, and the 4th interconnecting piece 24 surrounds third interconnecting piece 23,
The direction that 4th interconnecting piece 24 rotates outward extends, and direction of rotation extends third interconnecting piece 23 inside.Third interconnecting piece 23 is inwardly
The end of extension, that is, third lug 22 is equipped with corresponding first connecting hole 151 with the second lug 13 of second connecting portion 15.
Specifically, the first insulation spacer is equipped between first winding and the second winding.As depicted in figs. 1 and 2, first
Winding 1 is pressed on the second winding 2, and the first insulation spacer 7 is equipped between the first winding 1 and the second winding 2.I.e. M circle coil is set to N
On circle coil, the first insulation spacer is equipped between M circle coil and N circle coil.The effect of first insulation spacer 7 is by the first winding
1 and second winding 2 in addition at the junction of the first winding 1 and the second winding 2 i.e. the first connecting hole 151 other parts insulation every
From.
Further, as shown in Fig. 2, Fig. 3 and Fig. 5, first connecting portion 14 and second connecting portion 15 limit the first gap
11, third interconnecting piece 23 and the 4th interconnecting piece 24 limit the second gap 21, the first insulation spacer 7 be equipped with the first gap 11,
Corresponding first pad hole 71 in second gap 21.One embodiment according to the present utility model, the first pad hole 71 can be p-type
Hole, magnetic core 10 may pass through the first gap 11, the first pad hole 71 and the second gap 21.
Further, the first insulation spacer 7 is equipped with the first pad hole 71, and the first connector 6 passes through first pad hole.
Second connecting portion 15 is connect by the first pad hole 71 with third interconnecting piece 23.First winding 1 and the second winding 2 pass through the first pad
Film perforation 71 connects, i.e. the first connector 6 sequentially passes through the first connecting hole 151, the first pad hole 71 and the first connecting hole 151 for the
One winding 1 is fixedly connected and is connected with the second winding 2.The first connecting portion 14, second of one embodiment of the utility model connects
Socket part 15, third interconnecting piece 23 and the 4th interconnecting piece 24 are in turn connected to form three circle windings, first connecting portion 14, second connecting portion
15, third interconnecting piece 23 and the connection of the 4th interconnecting piece 24 can form multi-turn winding, such as four circles, five circles, six circles, according to access
The current strength of circuit is arranged.
Further, as shown in figure 9,1 top of the first winding is equipped with the second insulation spacer 8,2 bottom end of the second winding is equipped with the
First winding 1 and upper magnetic core 101 are dielectrically separated from by three insulation spacers 9, the second insulation spacer 8, prevent the magnetic field energy of magnetic core 101
Amount interferes the coil current of the first winding 1, and the second winding 2 and lower magnetic core 102 are dielectrically separated from by third insulation spacer 9,
Prevent the magnetic field energy of lower magnetic core 102 from interfering to the coil current of the second winding 2,
Further, as shown in Figure 10, magnetic core 10 includes upper magnetic core 101 and lower magnetic core 102, the second insulation spacer 8 and the
Three insulation spacers 9 are respectively equipped with second pad hole 81 corresponding with the first pad hole 71 and third pad hole 91, upper 101 He of magnetic core
At least one of lower magnetic core 102 passes through the first pad hole 71, the second pad hole 81 and third pad hole 91, and upper magnetic core
101 and lower magnetic core 102 connection.At least one of upper magnetic core 101 and lower magnetic core 102 pass through the first pad hole 71, the second gasket
Hole 81 and third pad hole 91, at least part for being also possible to magnetic core 101 and/or lower magnetic core 102 pass through the first pad hole
71, the second pad hole 81 and third pad hole 91.The width of first gasket, the second gasket and third gasket is less than upper magnetic core 101
With the width (width of the left and right directions in Figure 10) of lower magnetic core 102, the width of the first gasket, the second gasket and third gasket
It, can be by upper 101 He of magnetic core not less than the width (width of the left and right directions in Figure 10) of the first winding 1 and the second winding 2
Lower magnetic core 102 is dielectrically separated from the first winding 1, the second winding 2.
Specifically, upper magnetic core 101 and lower magnetic core 102 can be by the way of the combinations of EE type magnetic core 10, and upper magnetic core 101 is under
Magnetic core 102 does not limit to EE type magnetic core 10, is also applied for the magnetic core 10 of shape and specification such as EC, PQ type.The upper magnetic core of EE type
101, lower magnetic core 102 includes the first pillar 1001, the second pillar 1002 and third pillar 1003, and the first of upper magnetic core 101 is convex
Column 1001 is connect with the first pillar 1001 of lower magnetic core 102, the second pillar 1002 and the second of lower magnetic core 102 of upper magnetic core 101
Pillar 1002 connects, and the third pillar 1003 of upper magnetic core 101 is connect with the third pillar 1003 of lower magnetic core 102.It is practical according to this
Novel one embodiment, the second pillar 1002 of upper magnetic core 101 and the second pillar 1002 of lower magnetic core 102 are each passed through first
It is docked after pad hole 71, the second pad hole 81 and third pad hole 91.The first pillar 1001 and lower magnetic core 102 of upper magnetic core 101
The first pillar 1001 be respectively positioned on the side of the first winding 1 and the second winding 2, the third pillar 1003 of upper magnetic core 101 and lower magnetic
The third pillar 1003 of core 102 is respectively positioned on the other side of the first winding 1 and the second winding 2.First pillar 1001 of upper magnetic core 101
It is docked with the first pillar 1001 of lower magnetic core 102, the third pillar of the third pillar 1003 of upper magnetic core 101 and lower magnetic core 102
1003 docking, allow magnetic core to surround the first winding 1 and the second winding 2.
It is understood that the second pillar 1002 passes through the first pad hole 71, the second pad hole 81 and third pad hole 91,
The magnetic field energy that the first winding 1 and the second winding 2 generate can be absorbed.Second pillar 1002 respectively with the first pillar 1001,
Three pillars 1003 form the cavity for surrounding the first winding 1 and the second winding 2, and the second pillar 1002 can be respectively to the first pillar
1001 and 1003 diffusion absorption of third pillar magnetic field energy.Magnetic core 10 can inductance be powered when absorption inductor generate magnetic field
The magnetic field energy of absorption is switched to the electricity of inductance by energy after inductance power-off.
Further, as shown in Figure 9 and Figure 10, air gap piece is equipped between upper magnetic core 101 and the contact surface of lower magnetic core 102
103.1001 junction of the first pillar of first pillar 1001 and lower magnetic core 102 of upper magnetic core 101, the second of upper magnetic core 101 are convex
1002 junction of the second pillar of column 1002 and lower magnetic core 102, the of the third pillar 1003 of upper magnetic core 101 and lower magnetic core 102
Three pillars, 1003 junction, if can be adjusted by adjusting the thickness of air gap piece 103 there are three the identical air gap piece 103 of thickness
The inductance of whole inductance.Between upper magnetic core 101 and air gap piece 103, air gap piece 103 and lower magnetic core 102 by epoxide-resin glue and
Anaerobic adhesive is bonded.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.The meaning of " plurality " is at least two, such as two in the description of the present invention,
It is a, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside element, unless otherwise restricted clearly.For the common skill of this field
For art personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.In addition, without conflicting with each other, this field
Technical staff can carry out the feature of different embodiments or examples described in this specification and different embodiments or examples
Combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (13)
1. a kind of inductance, which is characterized in that including the first winding, the second winding and the first connector, first winding and institute
It states the second winding to be arranged along the vertical direction, first winding includes the M circle coil overlapped, and second winding includes weight
The M circle coil is electrically connected by the N circle coil of folded setting, first connector with the N circle coil, M >=2, N >=2, M, N
For integer.
2. inductance as described in claim 1, which is characterized in that including the first pin, at least one coil of the M circle coil
It is electrically connected with first pin, first pin is current input terminal.
3. inductance as claimed in claim 2, which is characterized in that including second pin, at least one coil of the N circle coil
It is electrically connected with the second pin, the second pin is current output terminal.
4. inductance as claimed in claim 3, which is characterized in that the M circle coil is equipped with first with the N circle coil and connect
Hole, first connector is in first connecting hole, the periphery wall of first connector and first connecting hole
Wall contact.
5. inductance as claimed in claim 4, which is characterized in that the gap between first connector and the first connecting hole is logical
Cross welding material filling.
6. inductance as described in claim 1, which is characterized in that the binding face of the two neighboring coil of the M circle coil is electrically connected
It connects, the binding face electrical connection of the two neighboring coil of the N circle coil.
7. inductance as claimed in claim 2, which is characterized in that including the second connector, at least one line of the M circle coil
Circle is electrically connected by the second connector with first pin.
8. inductance as claimed in claim 3, which is characterized in that first pin and the lower end surface of the second pin are neat
It is flat.
9. inductance as described in claim 1, which is characterized in that be equipped with the first insulation between first winding and the second winding
Gasket.
10. inductance as claimed in claim 9, which is characterized in that first insulation spacer is equipped with the first pad hole, and described the
A connection piece passes through first pad hole.
11. inductance as claimed in claim 10, which is characterized in that first winding upper end is equipped with the second insulation spacer, institute
The second winding lower end is stated equipped with third insulation spacer.
12. inductance as claimed in claim 11, which is characterized in that including magnetic core, the magnetic core includes upper magnetic core and lower magnetic core,
Second insulation spacer and the third insulation spacer be respectively equipped with the second pad hole corresponding with first pad hole and
Third pad hole, at least one of the upper magnetic core and the lower magnetic core pass through the first pad hole, the second pad hole and third
Pad hole, and the upper magnetic core is connected with the lower magnetic core.
13. inductance as claimed in claim 12, which is characterized in that set between the upper magnetic core and the contact surface of the lower magnetic core
There is air gap piece.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113223824A (en) * | 2021-04-29 | 2021-08-06 | 东莞沛波电子有限公司 | High-capacity power inductor convenient for automatic production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113223824A (en) * | 2021-04-29 | 2021-08-06 | 东莞沛波电子有限公司 | High-capacity power inductor convenient for automatic production |
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