CN217134177U - Magnetic coil assembly - Google Patents
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- CN217134177U CN217134177U CN202221002652.5U CN202221002652U CN217134177U CN 217134177 U CN217134177 U CN 217134177U CN 202221002652 U CN202221002652 U CN 202221002652U CN 217134177 U CN217134177 U CN 217134177U
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Abstract
The utility model relates to the technical field of magnetic coil electronic components, and discloses a magnetic coil component, which comprises a magnetic core component, a connecting piece and two coils; said magnetic core member having a first winding slot, said magnetic coil assembly acting as a single winding inductor when one of said coils is wound in said first winding slot; the connecting piece is arranged around the periphery of the magnetic core component or connected to the middle part of the groove wall of the first winding groove, so that two second winding grooves which are arranged at intervals are formed on the periphery of the magnetic core component, one coil is wound in one second winding groove, the other coil is wound in the other second winding groove, and when the number of turns of the two coils is the same, the magnetic coil component is used as a double-winding inductor; when two the number of turns that the coil was convoluteed is not the same, the magnetic coil subassembly is as the transformer, and the problem that inductance function and transformer function switch over each other can't be realized to current magnetic coil component's structure this application.
Description
Technical Field
The utility model relates to a magnetic coil electronic component's technical field especially relates to a magnetic coil subassembly.
Background
Inductors and transformers are common magnetic coil components, widely applied in electronic technology, and are main electronic components.
Nowadays, the requirements of electronic products are increasingly stronger in function, smaller in size and weight, and faster in updating speed, and inductors and transformers as magnetic elements are not as easy to be standardized as resistors and capacitors, which brings great challenges to the improvement of magnetic coil elements. Specifically, the current inductor and transformer are usually designed separately, and are various in appearance packaging and performance, the universality of elements is not strong enough, and most of the elements are produced in a customized manner, so that the development period of the inductor and the transformer is prolonged to a certain extent, in other words, the structure of the existing magnetic coil element cannot realize function switching between the inductor and the transformer, and further cannot meet the purchase requirements of users on the inductor or the transformer quickly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a magnetic coil subassembly, the unable technical problem who switches each other of inductance function and transformer function of structure of mainly solving current magnetic coil component.
To achieve the purpose, the utility model adopts the following technical proposal:
a magnetic coil assembly includes a magnetic core member, a connecting member, and two coils;
said magnetic core member having a first winding slot, said magnetic coil assembly acting as a single winding inductor when one of said coils is wound in said first winding slot;
the connecting piece is arranged around the periphery of the magnetic core component or connected to the middle part of the groove wall of the first winding groove, so that two second winding grooves which are arranged at intervals are formed on the periphery of the magnetic core component, one coil is wound in one second winding groove, the other coil is wound in the other second winding groove, and when the number of turns of the two coils is the same, the magnetic coil component is used as a double-winding inductor; when the number of turns of the two coils is different, the magnetic coil assembly is used as a transformer.
In one embodiment, the magnetic core member comprises an integrally formed first magnetic core having the first winding slot;
the connecting piece comprises a first split framework and a second split framework which are connected, the first split framework and the second split framework are commonly arranged on the periphery of the first magnetic core in a surrounding manner, one end of the first split framework, back to the second split framework, is provided with two first arc-shaped notches which are arranged at intervals, and one end of the second split framework, back to the first split framework, is provided with two second arc-shaped notches which are arranged at intervals;
the first arc-shaped notch is communicated with the second arc-shaped notch, so that the first arc-shaped notch and the second arc-shaped notch form a second winding groove together;
the other first arc-shaped notch is communicated with the other second arc-shaped notch, so that the other first arc-shaped notch and the other second arc-shaped notch jointly form the other second winding groove.
In one embodiment, the magnetic core member comprises an integrally formed first magnetic core having the first winding slot;
the connecting piece comprises a first split spacer and a second split spacer which are connected, and the first split spacer and the second split spacer are connected to the middle of the groove wall of the first winding groove so that the first winding groove is divided into two second winding grooves.
In one embodiment, the magnetic core member comprises two second magnetic cores that are combined together to form the first winding slot;
the connecting piece comprises an integrated framework, a through middle hole is formed in the integrated framework, at least parts of the two second magnetic cores are all inserted into the middle hole, so that the integrated framework is arranged around the periphery of the two second magnetic cores, and the two second winding grooves are arranged at intervals and are arranged on the outer side faces, back to the two second magnetic cores, of the integrated framework.
In one embodiment, the magnetic core member comprises two second magnetic cores that are combined together to form the first winding slot;
the connecting member includes an integral spacer connected between the two second magnetic cores so that the first winding groove is partitioned into the two second winding grooves.
In one embodiment, one surface of the integrated spacer facing one of the second magnetic cores is provided with a first groove, the other surface of the integrated spacer facing the other second magnetic core is provided with a second groove, the first groove is not communicated with the second groove, one of the second magnetic cores is inserted into the first groove, and the other of the second magnetic cores is inserted into the second groove.
In one embodiment, the magnetic coil assembly further comprises a base, the base is connected to the magnetic core member, two or four pads are arranged on a surface of the base opposite to the magnetic core member, and the coil is electrically connected with the corresponding pad.
In one embodiment, the base includes a base and a plurality of protrusions protruding from the outer periphery of the base, and the protrusions are electrically connected to the corresponding coils and the corresponding bonding pads.
In one embodiment, the base further includes two clamping pieces disposed on the protruding portion, and the two clamping pieces are used for clamping the end portion of the coil together.
In one embodiment, the magnetic coil assembly further includes a magnetic cover, the magnetic cover is connected to the base and encloses a shielding cavity together with the base, and the magnetic core member, the connecting member and the coil are all accommodated in the shielding cavity.
Compared with the prior art, the utility model provides a magnetic coil has following beneficial effect at least:
when the purchasing requirement of the user is the single-winding inductor, the manufacturer can form the single-winding inductor by only winding one of the coils in the first winding groove of the magnetic core component, and the manufacturer can also adjust the number of turns of the coils wound in the first winding groove to meet the use requirement of the user on a specific inductance value;
when the customer's procurement requirements are a two-winding inductor or transformer, the manufacturer need only assemble the connector pieces at the outer periphery of the core member or connected to the middle of the wall of the first winding slot, that is, two second winding grooves are formed at intervals on the outer periphery of the magnetic core member, one of the coils is wound in one of the second winding grooves, the other coil is wound in the other second winding groove, the magnetic coil structure of the double winding can be obtained, and particularly, when the number of turns of the two coils wound in the second winding groove is the same, the use requirement of a user on the double winding inductor can be met, when the two coils are wound in the second winding groove with different numbers of turns, the use requirement of users on the transformer can be met, in addition, the manufacturer can adjust the number of turns of the two coils of wire wound in the second winding groove to meet the use requirement of a user for a specific inductance value or voltage rise and fall multiple.
To sum up, by adopting the technical scheme, the purchasing requirement of a user on the inductor or the transformer can be quickly met only by assembling or disassembling the connecting piece and adjusting the number of turns of the coil, so that the material supplying period of the inductor or the transformer is greatly shortened.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of all components of a magnetic coil assembly provided in the present invention;
fig. 2 is a back view of a first base provided by the present invention;
fig. 3 is a back view of a second base according to the present invention;
fig. 4 is a schematic diagram illustrating an assembly process of a magnetic coil assembly according to an embodiment of the present invention;
fig. 5 is a schematic diagram of an assembly process of a magnetic coil assembly according to a second embodiment of the present invention;
fig. 6 is a schematic diagram of an assembly process of a magnetic coil assembly according to a third embodiment of the present invention;
fig. 7 is a schematic diagram of an assembly process of a magnetic coil assembly according to a fourth embodiment of the present invention;
fig. 8 is a schematic view of an assembly process of a magnetic coil assembly according to a fifth embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
10. a magnetic core member; 101. a first magnetic core; 102. a second magnetic core; 1011. a first winding groove; 1012. a second winding groove;
20. a connecting member; 201. a first molecular skeleton; 2011. a first arcuate slot; 202. a second skeleton; 2021. a second arcuate slot; 203. a first separator spacer; 204. a second split spacer; 205. an integral framework; 2051. a mesopore; 206. an integral spacer; 2061. a first groove; 2062. a second groove;
30. a coil;
40. a base; 401. a base; 402. a projection; 403. a clip; 404. a pad;
50. a magnetic shield; 501. avoiding the gap.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "upper," "lower," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must be in a particular orientation, constructed and operated in a particular orientation, and therefore should not be considered limiting to the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
Referring to fig. 1, the present invention provides a magnetic coil assembly, which includes a magnetic core member 10, a connecting member 20 and two coils 30.
The magnetic core member 10 has a first winding groove 1011, and when one of the coils 30 is wound in the first winding groove 1011, and the pins of the coil 30 are soldered to the circuit board, the magnetic coil assembly can be used as a differential mode inductor of a single winding.
Wherein the connection member 20 is disposed around the outer circumference of the magnetic core member 10 or connected to the middle of the wall of the first winding groove 1011, so that the outer circumference of the magnetic core member 10 forms two second winding grooves 1012 arranged at intervals, when one of the coils 30 is wound in one of the second winding grooves 1012 and the other coil 30 is wound in the other second winding groove 1012, the magnetic coil assembly can be used as a double-winding inductor or transformer. Specifically, when the number of turns of the two coils 30 wound in the second winding groove 1012 is the same, the magnetic coil assembly may be used as a common mode inductor of the double winding, and when the number of turns of the two coils 30 wound in the second winding groove 1012 is different, the magnetic coil assembly may be used as a step-up or step-down transformer. The present magnetic coil assembly can be used in different circuits, such as: a filter circuit or a voltage conversion circuit, etc.
In addition, the magnetic coil component does not adopt a plug-in type structural design that pins are plugged on the circuit board, but adopts a patch type structural design that is pasted on the circuit board, and the pasting structure can resist electromagnetic interference better than the plug-in structure, and the efficiency of assembling the magnetic coil component of the pasting structure on the circuit board is higher, so that the requirement of a user for efficiently assembling the magnetic coil component is met. Therefore, referring to fig. 1, in the present embodiment, the magnetic coil assembly further includes a base 40, the magnetic core 10 may be adhered to the base 40, and two or four pads 404 are disposed on a surface of the base 40 opposite to the magnetic core 10, where the pads 404 may be adhered to an external circuit board and soldered to the circuit board. Referring specifically to fig. 2, when the magnetic coil assembly is used as a single-winding differential mode inductor, the base 40 having two pads 404 may be selected, and two ends of the coil 40 are electrically connected to the two pads 404 respectively. Referring to fig. 3, when the magnetic coil assembly is used as a dual-winding inductor or transformer, a base having four bonding pads 404 may be selected, and the four ends of the two coils 30 are electrically connected to the corresponding four bonding pads 404.
The structure of the base 40 is described in more detail here: the base 40 includes a base 401 and four protrusions 402 protruding from the periphery of the base 401, the protrusions 402 are T-shaped, two clips 403 are further disposed on each protrusion 402, the end of the coil 30 extends to the protrusion 402 and is clamped by the two clips 403, so as to weld the end of the coil 30 to the protrusion 402, the magnetic core member 10 can be adhered to the base 401, the four pads 404 are disposed on a surface of the base 401 facing away from the magnetic core member 10, and the protrusions 402 are electrically connected to the corresponding pads 404, which is equivalent to that, by disposing the protrusions 402, the end of the coil 30 can be electrically connected to the corresponding pads 404.
Referring to fig. 1 again, in the present embodiment, the magnetic coil assembly further includes a magnetic cover 50, the magnetic cover 50 may be made of nickel-zinc ferrite or manganese-zinc ferrite, the magnetic cover 50 and the base 40 can be enclosed together to form a shielding cavity (not shown), and the magnetic core member 10, the connecting member 20 and the coil 30 are all accommodated in the shielding cavity, so as to further improve the electromagnetic interference resistance of the magnetic coil assembly. In addition, four avoiding notches 501 are formed in the outer wall of the magnetic cover 50, and after the magnetic cover 50 and the base 40 are assembled, the avoiding notches 501 can avoid the end portion of the coil 30, so that the end portion of the coil 30 can be conveniently welded on the protruding portion 402.
Specifically, referring to fig. 1 again, the magnetic core member 10 includes a first magnetic core 101 and two split second magnetic cores 102 that are integrally formed. The first magnetic core 101 is a structure in which three cylinders are sequentially spliced, that is, the cross section of the first magnetic core 101 is i-shaped, and the outer wall of the first magnetic core 101 is provided with the first winding groove 1011. The second magnetic core 102 is a structure in which two cylinders are spliced, that is, the cross section of the second magnetic core 102 is T-shaped, and the first winding groove 1011 may be formed by splicing two second magnetic cores 102. In addition, the first magnetic core 101 and the second magnetic core 102 may be made of nickel-zinc ferrite or manganese-zinc ferrite.
More specifically, referring again to fig. 1, the connecting member 20 includes a first split frame 201, a second split frame 202, a first split spacer 203, a second split spacer 204, an integral frame 205 and an integral spacer 206. The outer wall of the integrated framework 205 is provided with the two second winding grooves 1012 arranged at intervals, and the middle part of the integrated framework 205 is provided with a through middle hole 2051. The first split frame 201 and the second split frame 202 are spliced together to form an integral frame 205.
How the magnetic coil assembly of the present application specifically realizes the mutual switching of the inductance function and the transformer function will be specifically described below by using a free combination of the components of the first magnetic core 101, the second magnetic core 102, the first split bobbin 201, the second split bobbin 202, the first split spacer 203, the second split spacer 204, the integrated bobbin 205, the integrated spacer 206, and the coil 30.
Example one
The magnetic coil assembly of this embodiment is a single-winding differential mode inductor which does not use the connecting member 20 and selects the first magnetic core 101, the base 40, the magnetic cover 50 and the coil 30. Wherein the bottom of the selected submount 40 has two pads 404.
Referring to fig. 1 and 4, during assembly, the first magnetic core 101 is fixed on the base 40 by epoxy resin, then the coil 30 is wound in the first winding groove 1011 of the first magnetic core 101, after winding, the end of the coil 30 can be hung on the corresponding protrusion 402 on the base 40, then the end of the coil 30 and the protrusion 402 are welded together by using a hot-dip tin process, and finally the magnetic shield 50 is assembled on the base 40, during assembly, the magnetic shield 50 and the base 40 can be fixed into a whole by using epoxy resin, at this time, the first magnetic core 101 and the coil 30 are both accommodated in a shielding cavity surrounded by the magnetic shield 50 and the base 40, and the assembled magnetic coil assembly can be used as a differential mode inductor of a single winding.
Example two
The magnetic coil assembly of the present embodiment can be used as a dual-winding inductor or transformer, and the magnetic coil assembly of the present embodiment employs the first magnetic core 101, the first split frame 201, the second split frame 202, the base 40, the magnetic cover 50, and the two coils 30. Wherein the bottom of the selected submount 40 has four pads 404.
Referring to fig. 1, the first split frame 201 has two first arc notches 2011 arranged at intervals, and the second split frame 202 has two second arc notches 2021 arranged at intervals.
Referring to fig. 5, during assembly, the first and second segment frames 201 and 202 are spliced together and clamped together on the outer periphery of the first magnetic core 101, as can be seen from fig. 5, at this time, one of the first arc-shaped notches 2011 and one of the second arc-shaped notches 2021 are communicated and jointly form one of the second winding grooves 1012, the other of the first arc-shaped notches 2011 and the other of the second arc-shaped notches 2021 are communicated and jointly form the other of the second winding grooves 1012, then one of the coils 30 is wound in one of the second winding grooves 1012, the other of the coils 30 is wound in the other of the second winding grooves 1012, after the winding is completed, the four end portions of the two coils 30 can be hung on the corresponding protrusions 402 on the base 40, then the end portions of the two coils 30 are respectively welded on the corresponding protrusions 402 by a hot-dip soldering process, and finally the magnetic cover 50 is assembled on the base 40, during assembly, the magnetic cover 50 and the base 40 may be fixed into a whole by using epoxy resin, and at this time, the first magnetic core 101 and the coil 30 are both accommodated in a shielding cavity surrounded by the magnetic cover 50 and the base 40, and the assembled magnetic coil assembly may be used as a dual-winding common mode inductor or transformer, specifically, when the number of turns of the two coils 30 wound in the second winding groove 1012 is the same, the magnetic coil assembly of this embodiment may be used as a common mode inductor; when the two coils 30 are wound in the second winding grooves 1012 with different numbers of turns, the magnetic coil assembly of the present embodiment can be used as a step-up or step-down transformer.
It is added here that the first and second split frame members 201 and 202 may be made of PET (polyethylene terephthalate), NYLON (NYLON), FR530 (glass fiber), PHENOLIC (PHENOLIC plastic), or LCP (liquid crystal polymer), and the two spaced second winding grooves 1012 formed by splicing the first and second split frame members 201 and 202 can separate the two windings to enhance the insulation of the two windings.
EXAMPLE III
The magnetic coil assembly of the present embodiment may be used as a double-winding inductor or transformer, and employs the first magnetic core 101, the first split spacer 203, the second split spacer 204, the base 40, the magnetic cover 50, and the two coils 30. Wherein the bottom of the selected submount 40 has four pads 404.
Referring to fig. 1 and 6 together, during assembly, the first and second division spacers 203 and 204 are spliced together and connected together to the middle of the wall of the first winding groove 1011, so that the first winding groove 1011 is divided into two second winding grooves 1012, then one of the coils 30 is wound in one of the second winding grooves 1012, the other coil 30 is wound in the other second winding groove 1012, after the winding is completed, the four ends of the two coils 30 can be hung on the corresponding protrusions 402 on the base 40, then the ends of the two coils 30 are respectively welded on the corresponding protrusions 402 by using a hot-dip tin process, finally the magnetic cover 50 is assembled on the base 40, during assembly, the magnetic cover 50 and the base 40 can be fixed into a whole by using epoxy resin, at this time, the first magnetic core 101 and the coil 30 are both accommodated in a shielding cavity surrounded by the magnetic cover 50 and the base 40 together, the assembled magnetic coil assembly can be used as a dual-winding common mode inductor or transformer, and specifically, when the number of turns of the two coils 30 wound in the second winding grooves 1012 is the same, the magnetic coil assembly of the present embodiment can be used as a common mode inductor; when the two coils 30 are wound in the second winding grooves 1012 with different numbers of turns, the magnetic coil assembly of the present embodiment can be used as a step-up or step-down transformer.
It should be noted that the first and second separator spacers 203 and 204 may be made of ferrite, FR-4, or phenol resin.
Example four
The magnetic coil assembly of this embodiment can be used as a dual-winding inductor or transformer, and the magnetic coil assembly of this embodiment employs two second magnetic cores 102, one integral bobbin 205, the base 40, the magnetic cover 50 and two coils 30.
Referring to fig. 1 and 7, in the assembly process, one of the coils 30 is wound in one of the second winding grooves 1012 on the outer wall of the integrated frame 205, the other coil 30 is wound in the other second winding groove 1012 on the outer wall of the integrated frame 205, the center post of one of the second magnetic cores 102 is inserted along one end of the center hole 2051 in the middle of the integrated frame 205, the center post of the other second magnetic core 102 is inserted along the other end of the center hole 2051 in the middle of the integrated frame 205, so that the integrated frame 205 can be surrounded on the outer peripheries of the two second magnetic cores 102, the end portions of the two coils 30 are hung on the corresponding protruding portions 402 on the base 40, the end portions of the two coils 30 are respectively welded on the corresponding protruding portions 402 by a hot-dip soldering process, and finally, the magnetic shield 50 is assembled on the base 40, the magnetic shield 50 and the base 40 can be fixed into a whole by using epoxy resin, at this time, the first magnetic core 101 and the coil 30 are both accommodated in a shielding cavity defined by the magnetic cover 50 and the base 40, and the assembled magnetic coil assembly can be used as a dual-winding common mode inductor or transformer, specifically, when the number of turns of the two coils 30 wound in the second winding groove 1012 is the same, the magnetic coil assembly of the present embodiment can be used as a common mode inductor; when the two coils 30 are wound in the second winding grooves 1012 with different numbers of turns, the magnetic coil assembly of the present embodiment can be used as a step-up or step-down transformer.
It should be noted that the material of the integral framework 205 may be PET (polyethylene terephthalate), NYLON (NYLON), FR530 (glass fiber), PHENOLIC (PHENOLIC plastics), or LCP (liquid crystal polymer), and the two spaced second winding grooves 1012 on the outer wall of the integral framework 205 can play a role in isolating the two windings, so as to enhance the insulation of the two windings.
EXAMPLE five
The magnetic coil assembly of this embodiment, which may be used as a dual winding inductor or transformer, employs two second cores 102, an integral spacer 206, a base 40, a magnetic shield 50, and two coils 30.
Referring to fig. 8, one surface of the integrated spacer 206 is formed with a first concave groove 2061, the other surface of the integrated spacer 206 is formed with a second concave groove 2062, and the first concave groove 2061 and the second concave groove 2062 are not connected to each other.
Referring to fig. 1 and 8, in the assembly process, one of the second magnetic cores 102 is inserted into the first recess 2061, and the other second magnetic core 102 is inserted into the second recess 2062, in this case, the integrated spacer 206 is connected between the two second magnetic cores 102, so that two second winding slots 1012 are formed at intervals on the outer circumference of the two second magnetic cores 102, one of the coils 30 is wound in one of the second winding slots 1012, the other one of the coils 30 is wound in the other one of the second winding slots 1012, each end of the two coils 30 is hung on the corresponding protrusion 402 of the base 40, then the ends of the two coils 30 are respectively welded on the corresponding protrusion 402 by a hot dip soldering process, and finally the magnetic cover 50 is assembled on the base 40, and in the assembly process, the magnetic cover 50 and the base 40 can be fixed into a whole by using epoxy resin, at this time, the first magnetic core 101 and the coil 30 are both accommodated in a shielding cavity defined by the magnetic cover 50 and the base 40, and the assembled magnetic coil assembly can be used as a dual-winding common mode inductor or transformer, specifically, when the number of turns of the two coils 30 wound in the second winding groove 1012 is the same, the magnetic coil assembly of the present embodiment can be used as a common mode inductor; when the two coils 30 are wound in the second winding grooves 1012 with different numbers of turns, the magnetic coil assembly of the present embodiment can be used as a step-up or step-down transformer.
It is added that the integrated spacer 206 of the present embodiment can be used to increase the air gap, and the integrated spacer 206 can be made of ferrite, FR-4 or phenol plastic.
To sum up, the magnetic coil subassembly of this application can regard as standardized spare part, and the user demand to inductance or transformer can be satisfied to the independent assortment of accessible each part and the number of turns that changes coil 30, has the advantage of simple structure, the user of being convenient for selects the type, can satisfy the purchase demand of user to inductance or transformer fast to the supply of material cycle of inductance or transformer has been shortened by a wide margin. When the framework is adopted, the insulation effect of the two windings can be enhanced, and a good isolation effect is achieved. After the patch type base 40 and the magnetic cover 50 are adopted, the magnetic coil assembly also has strong anti-interference capability.
The foregoing is only a preferred embodiment of the present invention, and the technical principles of the present invention have been specifically described, and the description is only for the purpose of explaining the principles of the present invention, and should not be construed as limiting the scope of the present invention in any way. Any modifications, equivalents and improvements made within the spirit and principles of the invention and other embodiments of the invention without the creative effort of those skilled in the art are intended to be included within the protection scope of the invention.
Claims (10)
1. A magnetic coil assembly, comprising a magnetic core member, a connector and two coils;
said magnetic core member having a first winding slot, said magnetic coil assembly acting as a single winding inductor when one of said coils is wound in said first winding slot;
the connecting piece is arranged around the periphery of the magnetic core component or connected to the middle part of the groove wall of the first winding groove, so that two second winding grooves which are arranged at intervals are formed on the periphery of the magnetic core component, one coil is wound in one second winding groove, the other coil is wound in the other second winding groove, and when the number of turns of the two coils is the same, the magnetic coil component is used as a double-winding inductor; when the number of turns of the two coils is different, the magnetic coil assembly is used as a transformer.
2. The magnetic coil assembly of claim 1, wherein the core member includes an integrally formed first core having the first winding slot;
the connecting piece comprises a first split framework and a second split framework which are connected, the first split framework and the second split framework are commonly arranged on the periphery of the first magnetic core in a surrounding manner, one end of the first split framework, back to the second split framework, is provided with two first arc-shaped notches which are arranged at intervals, and one end of the second split framework, back to the first split framework, is provided with two second arc-shaped notches which are arranged at intervals;
the first arc-shaped notch is communicated with the second arc-shaped notch, so that the first arc-shaped notch and the second arc-shaped notch form a second winding groove together;
the other first arc-shaped notch is communicated with the other second arc-shaped notch, so that the other first arc-shaped notch and the other second arc-shaped notch jointly form the other second winding groove.
3. The magnetic coil assembly of claim 1, wherein the core member includes an integrally formed first core having the first winding slot;
the connecting piece comprises a first split spacer and a second split spacer which are connected, and the first split spacer and the second split spacer are connected to the middle of the groove wall of the first winding groove so that the first winding groove is divided into two second winding grooves.
4. The magnetic coil assembly of claim 1, wherein the core member includes two second cores that collectively combine to form the first winding slot;
the connecting piece comprises an integrated framework, a through middle hole is formed in the integrated framework, at least parts of the two second magnetic cores are all inserted into the middle hole, so that the integrated framework is arranged around the periphery of the two second magnetic cores, and the two second winding grooves are arranged at intervals and are arranged on the outer side faces, back to the two second magnetic cores, of the integrated framework.
5. The magnetic coil assembly of claim 1, wherein the core member includes two second cores that collectively combine to form the first winding slot;
the connecting member includes an integrated spacer connected between the two second magnetic cores so that the first winding groove is divided into the two second winding grooves.
6. The magnetic coil assembly of claim 5, wherein one side of the integrated spacer facing one of the second cores is formed with a first recess, the other side of the integrated spacer facing the other of the second cores is formed with a second recess, the first recess is not in communication with the second recess, one of the second cores is inserted into the first recess, and the other of the second cores is inserted into the second recess.
7. The magnetic coil assembly of any one of claims 1 to 6, further comprising a base, the base being connected to the core member, a face of the base facing away from the core member being provided with two or four pads, the coil being electrically connected to respective ones of the pads.
8. The magnetic coil assembly of claim 7, wherein the base includes a base and a plurality of protrusions protruding from an outer periphery of the base, the protrusions being electrically connected to the corresponding coils and the corresponding pads.
9. The magnetic coil assembly of claim 8, wherein the base further comprises two clips disposed on the protrusion, the clips for commonly holding the ends of the coil.
10. The magnetic coil assembly of claim 7, further comprising a magnetic shield coupled to the base and enclosing the base to form a shielded cavity, wherein the magnetic core member, the connector, and the coil are received in the shielded cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221002652.5U CN217134177U (en) | 2022-04-27 | 2022-04-27 | Magnetic coil assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221002652.5U CN217134177U (en) | 2022-04-27 | 2022-04-27 | Magnetic coil assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217134177U true CN217134177U (en) | 2022-08-05 |
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| CN202221002652.5U Active CN217134177U (en) | 2022-04-27 | 2022-04-27 | Magnetic coil assembly |
Country Status (1)
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| CN (1) | CN217134177U (en) |
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