Electric reactor and magnetic core component

Abstract

The utility model relates to an electric reactor and a magnetic core component. The electric reactor comprises three iron core middle columns which are vertically arranged at intervals; the iron core upper yoke is arranged at the upper end of the iron core middle column; the iron core lower yoke is arranged at the lower end of the iron core middle column; the upper clamping piece, the middle clamping piece and the lower clamping piece are symmetrically arranged on the front surfaces and the rear surfaces of the iron core upper yoke, the iron core middle column and the iron core lower yoke respectively, and the upper clamping piece and the lower clamping piece are provided with concave parts for clamping the middle clamping piece; the upper shell and the lower shell are sleeved on the outer sides of the upper yoke and the lower yoke of the iron core; the upper shell and the lower shell are connected through an assembly pull rod; and the assembling of the reactor can be completed without forming holes in the iron core, so that the product performance is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of reactors, in particular to a reactor and a magnetic core component. Background Art

[0002] Reactors are also called inductors. When a conductor is energized, it will generate a magnetic field in a certain space it occupies, so all electrical conductors that can carry current have inductance in a general sense. Inductors are mainly composed of a magnetic core, a clamp, a coil, etc. In the prior art, the magnetic core is generally composed of an upper yoke, a middle column, and a lower yoke. Holes are opened in the upper and lower yokes, and they are assembled and fixed by clamps.

[0003] However, during the production process, due to special technical parameter requirements, if holes are drilled in the iron core, the product cannot meet the required performance requirements using the general assembly method of the reactor. Summary of the invention

[0004] In view of the deficiencies existing in the related art, the utility model provides a reactor and a magnetic core component. Through the combined use of various clips and a shell, the various components of the reactor can be assembled and fixed without opening holes in the iron core, thereby improving the performance of the product.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A reactor, comprising:

[0007] The core center column has three vertically spaced columns;

[0008] An iron core upper yoke is arranged at the upper end of the three iron core middle columns in the height direction;

[0009] The iron core lower yoke is arranged at the lower end of the three iron core middle columns in the height direction;

[0010] A middle clamp, symmetrically arranged on the front surface and the rear surface of each of the core middle columns;

[0011] The upper clamps are symmetrically arranged on the front and rear surfaces of the upper yoke of the core, each of the upper clamps is formed with a recessed portion at a position adjacent to the core middle column in the vertical direction, and the recessed portion of the upper clamp is clamped with the upper end of the middle clamp at the corresponding core middle column;

[0012] The lower clamps are symmetrically arranged on the front and rear surfaces of the lower yoke of the core, each of the lower clamps is formed with a recessed portion at a position adjacent to the core middle column in the vertical direction, and the recessed portion of the lower clamp is clamped with the lower end of the middle clamp at the corresponding core middle column;

[0013] An upper housing, sleeved on the outer sides of the core upper yoke and the upper clamp;

[0014] A lower housing, sleeved on the outer sides of the lower yoke of the core and the lower clamp;

[0015] An assembly pull rod is provided to connect the upper shell and the lower shell.

[0016] In some embodiments of the present invention, the front surface and the rear surface of the upper shell, and the front surface and the rear surface of the lower shell are both provided with assembly rods.

[0017] In some embodiments of the present invention, the front surface and the rear surface of the upper shell, and the front surface and the rear surface of the lower shell are both provided with connecting blocks, and the assembly rods on the same surface are connected to the corresponding connecting blocks.

[0018] In some embodiments of the present invention, a plurality of assembly rods are disposed on the front and rear surfaces of the upper shell and the lower shell.

[0019] In some embodiments of the present invention, it also includes:

[0020] A wire package, sleeved on the outer side of each of the core middle columns;

[0021] The line package comprises:

[0022] A starting terminal row, the starting terminal row being arranged at the upper end of the wire package;

[0023] The end terminal row is arranged at the lower end of the wire package.

[0024] In some embodiments of the utility model, the core middle column is a rectangular parallelepiped, and the reactor further includes:

[0025] A support bar is vertically arranged on four sides of each of the core columns in the vertical direction;

[0026] The support bar includes a first side support plate and a second side support plate, the first side support plate and the second side support plate are vertically arranged, the inner side of the intersection of the two is formed as a right-angled edge, and the outer side is formed as an arc-shaped chamfered edge, the right-angled edge is attached to the middle column of the iron core, and the wire package is attached to the arc-shaped chamfered edge.

[0027] In some embodiments of the present invention, it also includes:

[0028] The air gap paper is arranged between the middle column of the iron core and the upper yoke of the iron core, and between the middle column of the iron core and the lower yoke of the iron core.

[0029] In some embodiments of the present invention, the upper clamping piece, the lower clamping piece and the middle clamping piece are all made of insulating materials.

[0030] In addition, the utility model also provides a magnetic core component, including the reactor proposed by the utility model.

[0031] Compared with the prior art, the beneficial effects of the utility model are:

[0032] 1. The iron core and the coil are fixed together by upper, middle and lower clamps and upper and lower shells, without opening holes in the iron core, which reduces the processing technology of raw materials and improves product performance.

[0033] 2. Concave parts are provided on the upper and lower clamps to improve the stability of the upper and lower yokes and the middle clamps of the iron core.

[0034] 3. The support bar fixes the core center column and the wire package to further improve the stability of the structure and reduce the defective rate of the product.

[0035] 4. The pull rod further secures the reactor to facilitate on-site assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0037] Figure 1 This is a schematic diagram of the structure of a reactor according to an embodiment of the utility model;

[0038] Figure 2 A schematic diagram of the explosion structure of a reactor according to an embodiment of the utility model;

[0039] Figure 3 This is a schematic diagram of the upper shell, lower shell and assembly pull rod structure of one embodiment of the utility model;

[0040] Figure 4 It is a schematic diagram of the exploded structure of the upper shell, the lower shell and the assembly pull rod of one embodiment of the utility model;

[0041] Figure 5 This is a schematic diagram of the structure of the upper added part, the lower added part and the middle added part of one embodiment of the utility model;

[0042] Figure 6 It is a schematic diagram of the exploded structure of an iron core upper yoke, an iron core middle column, an iron core lower yoke and an air gap paper in one embodiment of the utility model;

[0043] Figure 7 This is a schematic diagram of the wire package structure of an embodiment of the utility model;

[0044] Figure 8 This is a schematic diagram of the structure of the starting terminal block and the ending terminal block of one embodiment of the utility model;

[0045] Figure 9aThis is a structural schematic diagram of a support bar of an embodiment of the utility model from one perspective;

[0046] Figure 9b A schematic structural diagram of a support bar of an embodiment of the utility model from another perspective;

[0047] In the above figure: 101, core middle column; 102, core upper yoke; 103, core lower yoke; 201, middle clamp; 202, upper clamp; 203, lower clamp; 301, upper shell; 302, lower shell; 4, assembly pull rod; 401, connection block; 5, wire package; 501, starting terminal row; 502, ending terminal row; 6, support bar; 7, air gap paper. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0049] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0050] The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Thus, a feature defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features.

[0051] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] As attached Figure 1 -Attached Figure 8As shown, in an illustrative embodiment of a reactor of the utility model, it includes:

[0053] The core middle column 101 is provided with three vertical intervals;

[0054] The core upper yoke 102 is arranged at the upper end of the three core middle columns 101 in the height direction;

[0055] The core lower yoke 103 is arranged at the lower end of the three core middle columns 101 in the height direction;

[0056] The middle clamp 201 is symmetrically arranged on the front surface and the rear surface of each core middle column 101;

[0057] The upper clamps 202 are symmetrically arranged on the front and rear surfaces of the core upper yoke 102. Each upper clamp 202 is formed with a concave portion at a position adjacent to the core middle column 101 in the vertical direction. The concave portion of the upper clamp 202 is clamped with the upper end of the middle clamp 201 at the corresponding core middle column 101.

[0058] The lower clamps 203 are symmetrically arranged on the front and rear surfaces of the core lower yoke 102. Each lower clamp 203 is formed with a concave portion at a position adjacent to the core middle column 101 in the vertical direction. The concave portion of the lower clamp 203 is clamped with the lower end of the middle clamp 201 at the corresponding core middle column 101.

[0059] The upper housing 301 is sleeved on the outer sides of the core upper yoke 102 and the upper clamp 202;

[0060] The lower housing 302 is sleeved on the outer sides of the core lower yoke 103 and the lower clamp 203;

[0061] Assemble the pull rod 4 to connect the upper shell 301 and the lower shell 302.

[0062] In this embodiment, the core middle column 101 is divided into three phases A, B, and C. The upper and lower clamps are clamped with the middle clamp 201 through the recess to fix the core middle column 101 and the upper and lower yokes of the core. The front and rear sides of the upper shell 301 and the lower shell 302 are formed with protrusions to be respectively sleeved on the outer sides of the upper yoke 102 and the lower yoke 103 of the core. The assembly pull rod 4 connects the upper and lower shells, so that the upper yoke and the lower yoke of the core can be assembled without opening holes, thereby improving product performance.

[0063] In some embodiments, the front surface and the rear surface of the upper housing 301 and the front surface and the rear surface of the lower housing 302 are both provided with assembly rods 4. The assembly rods 4 are respectively provided on the front surface and the rear surface to improve stability.

[0064] In some embodiments, the front and rear surfaces of the upper shell 301 and the front and rear surfaces of the lower shell 302 are both provided with connection blocks 401, and the assembly rods 4 on the same surface are connected to the corresponding connection blocks 401. The connection blocks 401 and the assembly rods 4 are fixed by bolts for easy assembly.

[0065] In some embodiments, the front and rear surfaces of the upper shell 301 and the lower shell 302 are both provided with a plurality of assembly rods 4. The plurality of assembly rods 4 are evenly spaced, and in some preferred embodiments, two assembly rods 4 are respectively provided on the front and rear surfaces, and the installation position of the assembly rods 4 is located outside the gap between two adjacent core columns 101.

[0066] As attached Figure 2 , Attachment Figure 7 and attached Figure 8 As shown, in some embodiments, it also includes:

[0067] The wire package 5 is sleeved on the outer side of each core center column 101;

[0068] Line Pack 5 includes:

[0069] A starting terminal row 501, which is arranged at the upper end of the line package 5;

[0070] The end terminal block 502 is provided at the lower end of the coil package 5 .

[0071] The wire package 5 is wrapped around the core center column 101, and the starting terminal row 501 and the ending terminal row 502 are externally connected to a power supply device.

[0072] As attached Figure 9a and attached Figure 9b As shown, in some embodiments, the core column 101 is a rectangular parallelepiped, and the reactor further includes:

[0073] The support bar 6 is vertically arranged on the four sides of each core column 101 in the vertical direction;

[0074] The support bar 6 includes a first side support plate and a second side support plate, which are vertically arranged, and the inner side of the intersection of the two forms a right-angled edge, and the outer side forms an arc-shaped chamfered edge. The right-angled edge is attached to the core center column 101, and the wire package 5 is attached to the arc-shaped chamfered edge.

[0075] In this embodiment, the support bar is an L-shaped structure, which is disposed between the coil 5 and the core center column 101 to enhance the stability of the structure.

[0076] As attached Figure 6 As shown, in some embodiments, it also includes:

[0077] The air gap paper 7 is arranged between the core middle column 101 and the core upper yoke 102, and between the core middle column 101 and the core lower yoke 103. The air gap paper 7 prevents magnetic saturation between the cores, increases magnetic resistance and reduces magnetic permeability, avoids magnetic saturation under large AC signals or DC bias, and better controls inductance.

[0078] In some embodiments, the upper clamp 202, the lower clamp 203 and the middle clamp 201 are all made of insulating materials to improve the safety of the product.

[0079] In addition, the utility model also provides a magnetic core component, including the reactor provided by the utility model. The magnetic core component is a type of electronic component made of magnetic materials. It uses the characteristics of the magnetic field to realize the mutual conversion of electrical energy and magnetic energy in the circuit, and is widely used in various electronic equipment and systems.

[0080] In some embodiments, the magnetic core components include various types such as inductors, transformers, magnetic beads, and magnetic cores, and each type of magnetic component plays a different role in the circuit.

[0081] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0082] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for which protection is requested in the utility model.

Claims

1. A reactor, characterized in that: include: The core center column has three vertically spaced columns; An iron core upper yoke is arranged at the upper end of the three iron core middle columns in the height direction; The iron core lower yoke is arranged at the lower end of the three iron core middle columns in the height direction; A middle clamp, symmetrically arranged on the front surface and the rear surface of each of the core middle columns; The upper clamps are symmetrically arranged on the front and rear surfaces of the upper yoke of the core, each of the upper clamps is formed with a recessed portion at a position adjacent to the core middle column in the vertical direction, and the recessed portion of the upper clamp is clamped with the upper end of the middle clamp at the corresponding core middle column; The lower clamps are symmetrically arranged on the front and rear surfaces of the lower yoke of the core, each of the lower clamps is formed with a recessed portion at a position adjacent to the core middle column in the vertical direction, and the recessed portion of the lower clamp is clamped with the lower end of the middle clamp at the corresponding core middle column; An upper housing, sleeved on the outer sides of the core upper yoke and the upper clamp; A lower housing, sleeved on the outer sides of the lower yoke of the core and the lower clamp; An assembly pull rod is provided to connect the upper shell and the lower shell.

2. The reactor according to claim 1, characterized in that: The front surface and the rear surface of the upper shell, and the front surface and the rear surface of the lower shell are both provided with assembly rods.

3. The reactor according to claim 2, characterized in that: The front surface and the rear surface of the upper shell, and the front surface and the rear surface of the lower shell are both provided with connection blocks, and the assembly rods on the same surface are connected to the corresponding connection blocks.

4. The reactor according to claim 3, characterized in that: A plurality of assembly rods are arranged on the front and rear surfaces of the upper shell and the lower shell.

5. The reactor according to claim 1, characterized in that: Also includes: A wire package, sleeved on the outer side of each of the core middle columns; The line package comprises: A starting terminal row, the starting terminal row being arranged at the upper end of the wire package; The end terminal row is arranged at the lower end of the wire package.

6. The reactor according to claim 5, characterized in that: The core middle column is a rectangular parallelepiped, and the reactor further comprises: A support bar is vertically arranged on four sides of each of the core columns in the vertical direction; The support bar includes a first side support plate and a second side support plate, the first side support plate and the second side support plate are vertically arranged, the inner side of the intersection of the two is formed as a right-angled edge, and the outer side is formed as an arc-shaped chamfered edge, the right-angled edge is attached to the middle column of the iron core, and the wire package is attached to the arc-shaped chamfered edge.

7. The reactor according to any one of claims 1 to 6, characterized in that: Also includes: The air gap paper is arranged between the middle column of the iron core and the upper yoke of the iron core, and between the middle column of the iron core and the lower yoke of the iron core.

8. The reactor according to claim 1, characterized in that: The upper clamping piece, the lower clamping piece and the middle clamping piece are all made of insulating materials.

9. A magnetic core component, characterized in that: The invention comprises the reactor as claimed in any one of claims 1 to 8.

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