CN208673872U - A kind of double outer lead end subcoils - Google Patents

Abstract

The utility model relates to a kind of double outer lead end subcoils and method for winding, are composed of M × N number of conductor turns circle lap wound；Coil inside conductor turns circle has end watch rim part and body circle part；Method for winding is: first extracting length out to be equal to the conducting wire of M circle circle is deposit end；In one end of coil die, allow the M extension position of conducting wire started around；For drum end, i.e. forward for alignment layer around 1 layer, conducting wire lays in end reversely around 1 circle to conducting wire；And so on, as one complete double outer lead end subcoils.The innovative point of the utility model is: using winding structure difference end watch rim part and body circle part, dexterously group is combined into a complete double outer lead end subcoils；Realize double outer lead terminals features of coil.

Description

A kind of double outer lead end subcoils

Technical field

The utility model relates to the new winding structure of coil, in particular to a kind of double outer lead end subcoils.

Background technique

As science and technology is more and more flourishing, the application field of coil is also more and more extensive, and coil is widely used in common mode filtering Device, multifrequency transformer, impedance transformer, balance and uneven conversion transformer inhibit electronic equipment EMI noise, PC And the USB line road of peripheral equipment, liquid crystal display panel, low pressure differential signal, automobile remote-control formula key, wireless charging device etc.. Coil develops to miniaturization, low-power consumption direction, it is desirable that winding volume size is more and more next small, to meet different requirements. But current coil winding method is difficult to meet simultaneously the requirement to coil dimension and electromagnetic property.Conventional helical list coiling Coiling is, after fixing conducting wire, the first layer of first helically coiling coil since pin is drawn in starting, with the increasing of coil turn Add, the open ended circle circle of first layer is limited, and the circle circle being further added by is lifted to one layer above, when the end of coiling layer to the end When, ending draws pin conducting wire and is in outermost.In order to will be fitted into FERRITE CORE around the coil made, pin is drawn in starting must Outer layer surface must be guided to from coil internal layer, be used to be electrically connected；However, starting draws pin and guides to outer layer from internal layer, it can only From the end face of coil radial through only gap caused by the lead-out wire of this section of radial transition, at least by entire coil Length or height raise the height for being equivalent to diameter of wire；This is for having for the place of inductance coil volume size requirement It is intolerable.

By upper reason, on 01 06th, 2016, Chinese invention patent application publication number CN105225829A disclosed one kind Double outer lead terminals coil winders and wire winding, it is so-called double outer to draw it is mentioned that a kind of double outer lead end subcoils Line end subcoil is to be wound by two evolvent types, and connect and compose around to reciprocal single line coil cake is stacked on top of one another, two single lines The outmost turns conducting wire end of coil cake respectively draw as coil disengaging terminal by bending；The stacking connection is two single line coils Cake innermost circle conducting wire communicates up and down.

However, its conductor turns circle the number of turns of actual coil may be more, due to space limitations, coiling is not only with two What layer can accommodate.

Utility model content

Technical problem to be solved in the utility model is to design a kind of double outer lead end subcoils, for producing the number of turns More double outer lead end subcoils.

The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of double outer lead end subcoils, by M × N number of conductor turns circle lap wound is composed；Two lead terminals are respectively positioned on the outermost layer of entire coil one end, which is characterized in that line Inner lead circle circle is enclosed to press with flowering structure coiling；Conducting wire is originated since the outermost layer of two lead terminal sides, ecto-entad single line Lap wound M circle constitutes watch rim part in end at minimum conductor turns circle, and then transversely arranged layer is enclosed around N-1；Position conducting wire is enclosed in N-1 Lap wound one circle enter M-1 layer unrolls, the layer in total alignment layer around N-1 circle after encounter hold watch rim part after, then lap wound one enclose into Enter M-2 layers and reversely unrolls；And so on, the N-0.5 that unrolls until the 1st layer circle reaches end watch rim section start location and constitutes body Enclose part；The M is the even number greater than 2, and the N is the integer more than or equal to 2.

A kind of method for winding of double outer lead end subcoils of the utility model is:

It is deposit end that A, which first extracts length out equal to the conducting wire of M circle circle,；

B sets diameter of wire as D, in one end that length is D × N coil die, allow the M extension position of conducting wire started around； Along coil die, forward alignment layer is around N-1 circle for drum end for conducting wire, i.e., forward for alignment layer around 1 layer, conducting wire lays in end reversely around 1 Circle；Conducting wire enters M-1 layers for drum end and rearranges around N-1 circle, and conducting wire lays in end again reversely around 1 circle；And so on, until leading Line enters the 1st layer for drum end and forward encloses arrival end watch rim section start location around N-0.5；Conducting wire lays in end again reversely around 1 circle； Demoulding, as one complete double outer lead end subcoils.

The innovative point of the utility model is: dexterously being combined using winding structure difference end watch rim part and body circle part For a complete double outer lead end subcoils；Double outer lead terminals features of coil are realized, should be packed into around the coil made In FERRITE CORE, starting draws pin and is at coil internal layer, uses to be electrically connected.Entire coil starting draws pin from interior Layer guides to outer layer, and conducting wire is only from the radial transition change layer of the end face of coil, and conducting wire transition gapless, this is for there is inductor wire circle body It is a great innovation for the place of product size requirement.The utility model may be implemented easily and fast to process double Outer lead end subcoil, high production efficiency.

Retrieved and consulted relevant information, double outer lead terminals loop constructions and production method of the utility model, in state It is inside and outside still without patent and document report.Therefore, the utility model has filled up the production blank of double outer lead end subcoils.

Detailed description of the invention

Fig. 1 is double outer lead terminals loop construction schematic diagrames.

Fig. 2 is the sectional view along A-A schematic diagram of Fig. 1.

In figure: 1 lead terminal；2 ends watch rim part；3 body circle parts.

Specific embodiment

With reference to attached drawing 1-2, a kind of double outer lead end subcoils are composed of M × N number of conductor turns circle lap wound；Two leads Terminal 1 is respectively positioned on the outermost layer of entire coil one end, which is characterized in that coil inside conductor turns circle is pressed with flowering structure coiling； Conducting wire is originated since the outermost layer of two lead terminals, 1 side, ecto-entad single line lap wound M circle constitutes end at minimum conductor turns circle Watch rim part 2, then transversely arranged layer is enclosed around N-1；Enter M-1 layers in the N-1 circle circle of position conducting wire lap wound one to unroll, the layer After alignment layer encounters end watch rim part 2 after N-1 circle in total, then the circle of lap wound one enters M-2 layers and reversely unrolls again；It is so past Multiple, the N-0.5 that unrolls until the 1st layer circle reaches 2 initial position of end watch rim part and constitutes body circle part 3；

The M is the even number greater than 2, and the N is the integer more than or equal to 2.

There is self-adhesion insulating paint on above-mentioned conducting wire most preferably silk-covered wire, line surface.

Claims (1)

1. a kind of double outer lead end subcoils are composed of M × N number of conductor turns circle lap wound；Two lead terminals (1) are respectively positioned on whole On the outermost layer of a coil one end, which is characterized in that coil inside conductor turns circle is pressed with flowering structure coiling；Starting conducting wire draws from two The outermost layer of line terminals (1) side starts, and ecto-entad single line lap wound M circle constitutes end watch rim part (2) at minimum conductor turns circle, Then transversely arranged layer is enclosed around N-1；Enter M-1 layers in the N-1 circle circle of position conducting wire lap wound one to unroll, layer alignment layer in total After encountering end watch rim part (2) after N-1 circle, then the circle of lap wound one enters M-2 layers and reversely unrolls again；And so on, until the 1st Layer unroll N-0.5 circle reach end watch rim part (2) initial position constitute body circle part (3)；

The M is the even number greater than 2, and the N is the integer more than or equal to 2.