CN209691544U - A kind of triangle line is vertical around inductance - Google Patents

Abstract

The utility model relates to inductive technologies fields, espespecially a kind of triangle line is vertical around inductance, the utility model includes toroidal core and winding, toroidal core includes the first magnetic core, second magnetic core, the surface of first magnetic core is equipped with fixed gap, second magnetic core is correspondingly connected with by fixed gap and the first magnetic core and forms toroidal core, the thickness that can solve cutting part in cutting tool is excessive, the first magnetic core after leading to cutting, the problem of size of second magnetic core becomes smaller, increase that more cross sections winding triangular in shape is vertical to be wound on the first magnetic core simultaneously, on second magnetic core, to obtain bigger inductance, second end face on second magnetic core is recessed to the angularly disposed inner arc for making the second magnetic core of first end face towards first end face, the extrados of second magnetic core corresponds to second end face along second end face radially protruding, using the above structure and cooperate winding, it can be with Keep the connection of the first magnetic core and the second magnetic core more stable, avoids the occurrence of the phenomenon that falling off.

Description

A kind of triangle line is vertical around inductance

Technical field

The utility model relates to inductive technologies field, espespecially a kind of triangle line is vertical around inductance.

Background technique

Inductance has very important effect in electric elements, the vertical one kind for belonging to inductance around inductance of magnet ring.Existing skill In art, magnet ring is vertical around the insulated conductor coil that inductance generally comprises toroidal core and is wound on toroidal core.In inductance coil Middle major part inductance all uses magnet ring as the magnetic core of inductance, and this magnet ring does not have rounded corner, and the corner angle of surrounding are sharp, is easy Short circuit between inductor winding is caused, forms that turn-to-turn is bad, and core loss is larger, seriously affects product quality.

It includes toroidal core and coil that existing another kind magnet ring, which is stood around inductance, and toroidal core is by cutting tool to annular Magnetic core progress symmetrically is cut into the first magnetic core, the second magnetic core, at this point, coil, which is stood, is wound on the first magnetic core, on the second magnetic core, and passes through Adhesive bonds the cut surface of the cut surface of the first magnetic core and the second magnetic core to form toroidal core, still, due to cutting tool The thickness of middle cutting part is excessive, and the size of the first magnetic core, the second magnetic core after leading to cutting becomes smaller, and subtracts the number of turns of coil accordingly It is few, and the toroidal core formed after the first magnetic core and the splicing of the second magnetic core is no longer circle, and material loss is big, it is difficult to obtain more Big inductance.

Summary of the invention

To solve the above problems, to provide a kind of triangle line vertical around inductance for the utility model, can solve because of four girdle of magnet ring Angle is sharp to cause short circuit between inductor winding to form the bad problem of turn-to-turn, while can obtain bigger inductance, increases coil The number of turns.

In order to achieve the above purposes, the technical solution adopted by the utility model is:, and a kind of triangle line is vertical around inductance, includes ring Shape magnetic core and winding, winding is vertical to be wound on toroidal core, and the cross section of the winding is triangular in shape, the inside edge of toroidal core, Outer edge is respectively equipped with inner chamfer and outer chamfer, and the inner chamfer, outer chamfer are the angle between 30 °~60 °, annular magnetic Core includes the first magnetic core, the second magnetic core, and the first magnetic core is equipped with fixed gap corresponding with the second core shapes, and the second magnetic core is set It sets in fixed gap and splices with the first magnetic core and fix, wherein two end faces of the second magnetic core are tool acclive first End face, second end face, second end face are recessed to the angularly disposed intrados for making the second magnetic core of first end face towards first end face, the The extrados of two magnetic cores corresponds to second end face along second end face radially protruding, and the first end of the second magnetic core is made using the tension of winding The both ends in face, second end face and fixed gap compress fixation.

Further, the fillet surface of the outer chamfer and inner chamfer is plane, the arc surface outwardly protruded, is inwardly recessed One of arc surface three.

Further, the inner chamfer, outer chamfer fillet surface be respectively less than the top and bottom of toroidal core.

Further, the width of the winding is less than the most short air gap of fixed gap.

Further, the toroidal core is metal soft magnetic powder core.

The utility model has the beneficial effects that: the utility model includes toroidal core and winding, toroidal core includes There are the first magnetic core, the second magnetic core, the surface of the first magnetic core is equipped with fixed gap, and the second magnetic core passes through fixed gap and the first magnetic core It is correspondingly connected with and is formed toroidal core, the thickness that can solve cutting part in cutting tool is excessive, the first magnetic after leading to cutting Size the problem of becoming smaller of core, the second magnetic core, while increasing that more cross sections winding triangular in shape is vertical to be wound on the first magnetic core, the On two magnetic cores, to obtain bigger inductance, the second end face on the second magnetic core makes the second magnetic core to first end face is angularly disposed Inner arc be recessed towards first end face, the extrados of the second magnetic core corresponds to second end face in second end face radially protruding, use It states structure and cooperates winding, the connection of the first magnetic core and the second magnetic core can be made more stable, avoid the occurrence of the phenomenon that falling off, In, the inside edge of toroidal core and outer edge are respectively equipped with inner chamfer and outer chamfer so that it is vertical be wound on toroidal core around Group is more bonded with toroidal core, and it is undesirable to solve short circuit formation turn-to-turn between leading to inductor winding because magnet ring surrounding corner angle are sharp Problem keeps the work of winding more stable, simple process and low cost.

Detailed description of the invention

Fig. 1 is the structure chart of the utility model.

Fig. 2 is the top view of the utility model.

Fig. 3 is the structure chart of the second magnetic core in the utility model.

Fig. 4 is the side view of the second magnetic core in the utility model.

Drawing reference numeral explanation: 1. windings；2. toroidal core；21. inner chamfer；22. outer chamfer；23. the first magnetic core；24. the Two magnetic cores；200. first end face；201. second end face.

Specific embodiment

Please refer to shown in Fig. 1-4, the utility model is vertical around inductance about a kind of triangle line, include toroidal core 2 and around Group 1, winding 1 is vertical to be wound on toroidal core 2, and the cross section of the winding 1 is triangular in shape, the inside edge of toroidal core 2, outer edge It is respectively equipped with inner chamfer 21 and outer chamfer 22, the inner chamfer 21, outer chamfer 22 are the angle between 30 °~60 °, annular Magnetic core 2 includes the first magnetic core 23, the second magnetic core 24, and the first magnetic core 23 is lacked equipped with fixation corresponding with 24 shape of the second magnetic core Mouthful, the second magnetic core 24, which is arranged in fixed gap and splices with the first magnetic core 23, to be fixed, wherein two end faces of the second magnetic core 24 It is the acclive first end face 200 of tool, second end face 201, second end face 201 makes second to first end face 200 is angularly disposed The intrados of magnetic core 24 is recessed towards first end face 200, and the extrados of the second magnetic core 24 corresponds to second end face 201 along second end face 201 radially protrudings make the first end face 200, second end face 201 and fixed gap of the second magnetic core 24 using the tension of winding 1 Both ends compress fixation.

Further, the fillet surface of the outer chamfer 22 and inner chamfer 21 be plane, the arc surface that outwardly protrudes, inwardly One of recessed arc surface three, using the above scheme, the above structure will not damage winding 1, can apply Different use environments.

Further, the inner chamfer 21, outer chamfer 22 fillet surface be respectively less than the top and bottom of toroidal core 2, adopt With above scheme, the width of adjustable top and bottom according to different requirements, and then again by adjusting the width of fillet surface To formulate suitable toroidal core 2.

Further, the width of the winding 1 is less than the most short air gap of fixed gap, using the above scheme, is convenient for winding 1 Fixed gap can be passed freely through.

Further, the toroidal core 2 be metal soft magnetic powder core, using the above scheme, metal soft magnetic powder core have compared with Low feature is lost in high magnetic permeability.

Compared with prior art, the utility model includes toroidal core 2 and winding 1, and toroidal core 2 includes the first magnetic Core 23, the second magnetic core 24, the surface of the first magnetic core 23 are equipped with fixed gap, and the second magnetic core 24 passes through fixed gap and the first magnetic core 23 are correspondingly connected with and are formed toroidal core 2, and the thickness that can solve cutting part in cutting tool is excessive, first after leading to cutting Size the problem of becoming smaller of magnetic core 23, the second magnetic core 24, while increasing that more cross sections winding 1 triangular in shape is vertical to be wound on first On magnetic core 23, the second magnetic core 24, to obtain bigger inductance, the second end face 201 on the second magnetic core 24 is to first end face 200 The angularly disposed inner arc for making the second magnetic core 24 is recessed towards first end face 200, and the extrados of the second magnetic core 24 corresponds to second end face 201 along 201 radially protruding of second end face, using the above structure and cooperates winding 1, can make the first magnetic core 23 and the second magnetic core 24 Connection it is more stable, avoid the occurrence of the phenomenon that falling off, wherein the inside edge of toroidal core 2 and outer edge be respectively equipped in fall Angle 21 and outer chamfer 22 solve so that the vertical winding 1 being wound on toroidal core 2 is more bonded with toroidal core 2 because of magnet ring four All corner angle are sharp to cause short circuit between inductor winding 1 to form the bad problem of turn-to-turn, keeps the work of winding 1 more stable, simple process, It is at low cost.

The use principle of the utility model is as follows, and coil is wound into winding 1 in advance and separates the first magnetic core 23, the second magnetic Core 24 is wound on winding 1 is vertical on the first magnetic core 23, the second magnetic core 24 be correspondingly arranged in the fixed gap of the first magnetic core 23 and Guidance winding 1 is uniformly vertical to be wound on the second magnetic core 24, is realized by the tension of winding 1 and is squeezed to the second magnetic core 24 to the first magnetic core 23 Pressure.

Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims (5)

1. a kind of triangle line is vertical around inductance, which is characterized in that include toroidal core and winding, winding is vertical to be wound on toroidal core On, the cross section of the winding is triangular in shape, and the inside edge of toroidal core, outer edge are respectively equipped with inner chamfer and outer chamfer, The inner chamfer, outer chamfer are the angle between 30 °~60 °, and toroidal core includes the first magnetic core, the second magnetic core, and first Magnetic core is equipped with fixed gap corresponding with the second core shapes, and the second magnetic core is arranged in fixed gap and splices with the first magnetic core It is fixed, wherein two end faces of the second magnetic core are the acclive first end face of tool, second end face, and second end face is to first end The angularly disposed intrados for making the second magnetic core in face is recessed towards first end face, and the extrados of the second magnetic core corresponds to second end face along the Biend radially protruding supports the both ends of the first end face of the second magnetic core, second end face and fixed gap using the tension of winding Pressing is fixed.

2. a kind of triangle line according to claim 1 is vertical around inductance, which is characterized in that the outer chamfer and inner chamfer fall Edged surface is plane, the arc surface outwardly protruded, one of the arc surface three being inwardly recessed.

3. a kind of triangle line according to claim 1 is vertical around inductance, which is characterized in that the inner chamfer, outer chamfer fall Edged surface is respectively less than the top and bottom of toroidal core.

4. a kind of triangle line according to claim 1 is vertical around inductance, which is characterized in that the width of the winding, which is less than, to be fixed The most short air gap of notch.

5. a kind of triangle line according to claim 1 is vertical around inductance, which is characterized in that the toroidal core is soft magnetic metal Powder core.