Annular magnetic assembly, inductor, transformer and coupler
By disassembling the magnetic core and coil windings in the annular magnetic assembly, the problem of the inability to assemble mechanically rigid coil windings in the prior art is solved, and efficient use of magnetic materials and conductor materials is achieved, reducing costs and completing the assembly of large annular magnetic cores.
Patent Information
- Application Number
- CN202510099385.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-04-25
AI Technical Summary
In the prior art, when assembling coil windings made of wires with large cross-sectional area, the cut core part cannot be inserted into the coil winding because the mechanical rigidity of the coil winding prevents the completion of assembly.
A ring-shaped magnetic assembly is proposed, and the magnetic core is divided into two or more parts. Through different combinations of the magnetic core and the coil winding arranged in a separate body, the efficient utilization of magnetic materials and conductor materials is achieved, the cost is reduced, and the assembly of large ring-shaped magnetic cores with mechanically rigid coil windings is possible.
Through the combination of magnetic core and coil windings arranged in a separate body, effective assembly of coil windings with mechanical rigidity is achieved, cost reduction and utilization efficiency of magnetic materials and conductor materials is improved.
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Figure CN119889879A_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the field of electrical technology, and in particular relates to a ring-shaped magnetic component, an inductor, a transformer and a coupler. Background Art
[0002] The shape of toroidal cores is known in the design of inductors, transformers and couplers and is widely used in assembly with one or more coil windings; assembly can be done using a single toroidal core, the coil winding being done by machine by winding the coil winding around a portion of the core; coil windings using flat wire wound on its narrow side use another industrial process, where the coil winding is first wound by machine in a vertical direction, holding the wire on its wider side; the coil winding consists of a portion, comprising a series of turns; assembling the coil winding requires cutting the toroidal core into two portions; the two core portions are inserted into the coil winding; the cores are fixed together by glue or one or more straps; the same assembly is used for coil windings using trapezoidal wire; in these applications, the coil winding consists of a continuous number of turns of a single portion; but this assembly method is limited to cases where the coil winding is flexible enough to be inserted into the cut core portion.
[0003] For the assembly of coil windings made from wire with a larger cross-sectional area, it may not be possible to insert the cut core sections into the coil windings as the mechanical rigidity of the coil windings prevents completion of the assembly. Summary of the invention
[0004] In order to solve the above technical problems, the purpose of the present invention is to provide a ring-shaped magnetic component, an inductor, a transformer and a coupler, so that they can realize the functions of an inductor, a transformer, a coupler or a combination of two or more thereof.
[0005] The present invention adopts the following technical solutions to achieve the above-mentioned purpose: A ring-shaped magnetic component, comprising a magnetic core and a coil winding; the magnetic core is composed of two or more parts; multiple parts of the magnetic core are connected as a whole to form a ring-shaped magnetic core, or several magnetic cores are connected as a whole to form multiple independent magnetic cores; a coil winding is wound around each of the magnetic cores; multiple parts of the coil windings are connected in series or in parallel to form a complete coil winding, or several coil windings are connected as a whole to form multiple independent coil windings.
[0006] Each coil winding section is composed of a series of turns, and the structure of each coil winding section is independent of each other, that is, the number of turns, wires, and winding methods of each coil winding section can be different.
[0007] The structures of the two parts of the magnetic core are independent of each other, that is, the size, core material and insulation layer of each part of the magnetic core can be different.
[0008] There is an air gap between the two adjacent parts of the magnetic core, the width of each air gap may be different, and the material filled in each air gap may also be different.
[0009] The two adjacent parts of the magnetic core are bonded or tied together with a belt.
[0010] Adjacent sections of coil windings are connected by bolting, tying, welding, brazing or soldering, or by inserting male terminals into female terminals.
[0011] An inductor, a transformer and a coupler, wherein the inductor, the transformer or the coupler comprises any of the above-mentioned annular magnetic components; a combination of any two or three of the inductor, the transformer and the coupler realizes an integrated magnetic device in the form of electromagnetic coupling; the integrated magnetic device has at least two parts of a magnetic core, wherein one part of the magnetic core and the corresponding coil winding form an inductor or a transformer, and the other part of the coil winding is coupled with at least two parts of the magnetic core to form a coupler.
[0012] The magnetic device integrated by the combination of the inductor and the transformer includes an inductor core, an inductor coil winding, a transformer core and a transformer coil winding; each part of the coil winding is wound on the corresponding inductor core or transformer core, or part of the coil winding of the inductor or transformer is wound on the core of the inductor or transformer to form a coupling between the inductor and the transformer; each part of the transformer coil winding is wound on the corresponding transformer core; or each part of the inductor coil winding is wound on the corresponding inductor core; each part of the transformer coil winding is wound on the corresponding inductor core or transformer core to couple the inductor and the transformer into one; the magnetic device integrated by the combination of the inductor and the transformer can also be used as a coupler.
[0013] According to the requirements of inductance and leakage inductance, the magnetic device integrated in the combination of the inductor and the transformer can also be combined with an independently arranged coupler.
[0014] The annular magnetic component, inductor, transformer and coupler proposed in the present invention can be used as an inductor, transformer, coupler, or a combination of two or more thereof; through the above technical scheme, the magnetic core coil winding is set to two or more, and through different combinations of separately set magnetic cores and coil windings, efficient utilization of magnetic materials and conductor materials is achieved, thereby reducing costs and making it possible to assemble large annular magnetic cores with coil windings with mechanical rigidity. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the structure of Example 1 of the present invention.
[0016] Figure 2 This is a schematic diagram of the structure of Example 2 of the present invention.
[0017] Figure 3 This is a schematic diagram of the structure of Example 3 of the present invention.
[0018] In the figure: 1. magnetic core, 2. coil winding. DETAILED DESCRIPTION
[0019] The present invention is described in detail with reference to the accompanying drawings and specific embodiments: A ring-shaped magnetic component, comprising a magnetic core 1 and a coil winding 2; the magnetic core 1 is composed of two or more parts; multiple parts of the magnetic core 1 are connected as a whole to form a ring-shaped magnetic core, or several magnetic cores are connected as a whole to form multiple independent magnetic cores; a coil winding 2 is wound around each of the magnetic cores; multiple parts of the coil windings are connected in series or in parallel to form a complete coil winding, or several coil windings are connected as a whole to form multiple independent coil windings.
[0020] Each coil winding 2 consists of a series of turns, and the structure of each coil winding part is independent of each other, that is, the number of turns, wires and winding methods of each coil winding part can be different.
[0021] The structures of the two parts of the magnetic core 1 are independent of each other, that is, the size, core material and insulation layer of each part of the magnetic core can be different.
[0022] There is an air gap between the two adjacent parts of the magnetic core, the width of each air gap may be different, and the material filled in each air gap may also be different.
[0023] The two adjacent parts of the magnetic core are bonded or tied together with a belt.
[0024] Adjacent sections of coil windings are connected by bolting, tying, welding, brazing or soldering, or by inserting male terminals into female terminals.
[0025] An inductor, a transformer and a coupler, wherein the inductor, the transformer or the coupler comprises any of the above-mentioned annular magnetic components; a combination of any two or three of the inductor, the transformer and the coupler realizes an integrated magnetic device in the form of electromagnetic coupling; the integrated magnetic device has at least two parts of a magnetic core, wherein one part of the magnetic core and the corresponding coil winding form an inductor or a transformer, and the other part of the coil winding is coupled with at least two parts of the magnetic core to form a coupler.
[0026] The magnetic device integrated by the combination of the inductor and the transformer includes an inductor core, an inductor coil winding, a transformer core and a transformer coil winding; each part of the coil winding is wound on the corresponding inductor core or transformer core, or part of the coil winding of the inductor or transformer is wound on the core of the inductor or transformer to form a coupling between the inductor and the transformer; each part of the transformer coil winding is wound on the corresponding transformer core; or each part of the inductor coil winding is wound on the corresponding inductor core; each part of the transformer coil winding is wound on the corresponding inductor core or transformer core to couple the inductor and the transformer into one; the magnetic device integrated by the combination of the inductor and the transformer can also be used as a coupler.
[0027] According to the requirements of inductance and leakage inductance, the magnetic device integrated in the combination of the inductor and the transformer can also be combined with an independently arranged coupler.
[0028] like Figure 1 As shown, an inductor is assembled consisting of two core parts and two coil winding parts; the two core parts are fixed together by bonding or binding; the two parts of the coil winding are connected in series by bolting, binding, welding, brazing or soldering; the final inductor is assembled by a corresponding core and a corresponding coil winding.
[0029] like Figure 2 As shown in the figure, an inductor is assembled with three core parts and their coil winding parts. The three core parts are fixed together by bonding or tying; the three parts of the coil winding are connected in series by bolting, tying, welding, brazing or soldering; the final inductor is assembled with a corresponding core and three coil windings.
[0030] like Figure 3 As shown, an assembly of an inductor with a series integrated transformer is shown, the structure consists of four core parts and four coil winding parts; the two parts of the inductor core are fixed together by bonding or binding; the two parts of the transformer core are also fixed together by bonding or binding; the two parts of the inductor coil winding are connected in series according to the method described in the detailed description of the present invention. The two parts of the transformer coil winding are not connected, as described in the detailed description of the present invention. The final integrated inductor is an inductor consisting of a corresponding core and a corresponding coil winding, which is connected in series with a transformer with a corresponding core and two coil windings (primary and secondary).
[0031] Implementation of the core part: The core sections may be of the same size or of different sizes; The core parts may be made of the same magnetic material or different magnetic materials.
[0032] The magnetic core part can use the same insulation layer or different insulation layers.
[0033] The air gaps between the cores can be the same or different.
[0034] Each air gap can be reduced to the minimum width allowed by the core material surface, or set to a specific width value.
[0035] Each air gap can be filled with the same material or with different materials.
[0036] Implementation of the coil winding part: The coil winding sections may have the same number of turns or different numbers of turns.
[0037] The coil winding section can use wires of the same size or wires of different sizes.
[0038] The coil winding part can use the same wire technology or different wire technologies.
[0039] The coil winding part may use the same wire material or different wire materials.
[0040] The coil winding part may use the same wire insulation layer or different wire insulation layers.
[0041] The coil winding sections may use the same number of parallel strands or different numbers of parallel strands.
[0042] The coil winding portions may be made of the same strands of wire or may be made of different strands of wire.
Claims
1. An annular magnetic component, the annular magnetic component having a magnetic core and a coil winding; characterized in that: The magnetic core is composed of two or more parts; multiple parts of the magnetic core are connected as a whole to form a ring-shaped magnetic core, or several magnetic cores are connected as a whole to form multiple independent magnetic cores; each magnetic core is wound with a coil winding; multiple parts of the coil winding are connected in series or in parallel to form a complete coil winding, or several coil windings are connected as a whole to form multiple independent coil windings.
2. The annular magnetic assembly according to claim 1, characterized in that: Each coil winding section is composed of a series of turns, and the structure of each coil winding section is independent of each other, that is, the number of turns, wires, and winding methods of each coil winding section can be different.
3. The annular magnetic assembly according to claim 1, characterized in that: The structures of the two parts of the magnetic core are independent of each other, that is, the size, core material and insulation layer of each part of the magnetic core can be different.
4. The annular magnetic assembly according to claim 1, characterized in that: There is an air gap between the two adjacent parts of the magnetic core, the width of each air gap may be different, and the material filled in each air gap may also be different.
5. The annular magnetic assembly according to claim 1, characterized in that: The two adjacent parts of the magnetic core are bonded or tied together with a belt.
6. The annular magnetic assembly according to claim 1, characterized in that: Adjacent sections of coil windings are connected by bolting, tying, welding, brazing or soldering, or by inserting male terminals into female terminals.
7. An inductor, a transformer and a coupler, characterized in that: The inductor, transformer or coupler all contain the annular magnetic component described in any one of claims 1 to 6; the combination of any two or three of the inductor, transformer and coupler realizes an integrated magnetic device in the form of electromagnetic coupling; the integrated magnetic device has at least two parts of the magnetic core, one part of the magnetic core and the corresponding coil winding form an inductor or transformer, and the other coil winding is coupled with at least two parts of the magnetic core to form a coupler.
8. An inductor, a transformer and a coupler as claimed in claim 7, characterized in that: The magnetic device integrated by the combination of the inductor and the transformer includes an inductor core, an inductor coil winding, a transformer core and a transformer coil winding; each part of the coil winding is wound on the corresponding inductor core or transformer core, or part of the coil winding of the inductor or transformer is wound on the core of the inductor or transformer to form a coupling between the inductor and the transformer; each part of the transformer coil winding is wound on the corresponding transformer core; or each part of the inductor coil winding is wound on the corresponding inductor core; each part of the transformer coil winding is wound on the corresponding inductor core or transformer core to couple the inductor and the transformer into one; the magnetic device integrated by the combination of the inductor and the transformer can also be used as a coupler.