Reactor and magnetic core component

Abstract

The utility model relates to a reactor and a magnetic core component. The reactor comprises: three core middle columns arranged vertically; an upper core yoke arranged at the upper end of the core middle column; a lower core yoke arranged at the lower end of the core middle column; a first clamp symmetrically arranged on the front and rear surfaces of the core middle column and the lower core yoke, wherein the vertical plate is fitted to the core middle column, the upper end is connected to the upper surface of the upper core yoke, and the horizontal plate is fitted to the lower core yoke; a second clamp symmetrically arranged on the front and rear surfaces of the upper core yoke, wherein the two side edges thereof are correspondingly fitted to the adjacent vertical plates; an upper shell body sleeved on the outer sides of the upper core yoke, the vertical plates and the second clamp; a lower shell body sleeved on the outer sides of the lower core yoke and the horizontal plates; an assembly pull rod connecting the upper and lower shell bodies; the core is fixed by the first clamp and the second clamp, and there is no need to open a hole in the core, thereby simplifying the production process, meeting the requirements of product parameters, and improving product performance.

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. Therefore, all electrical conductors that can carry current have inductance in a general sense. Inductors are mainly composed of magnetic cores, clamps, coils, etc. In the prior art, the magnetic core is generally composed of an upper yoke, a middle column, and a lower yoke. During the assembly process, it is necessary to open holes in the upper yoke and the lower yoke of the core, insert and fix them through the middle clamp, and then assemble the coils, etc. into an inductor.

[0003] However, in the actual production process, if holes are opened on the iron core, the product performance will be reduced and some special technical parameter requirements will not be met. This general assembly method is no longer suitable for this production need. 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. By assembling a first clamp, a second clamp and a shell, the magnetic core can be fixed to improve product performance.

[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 first clamp, the first clamp comprising a horizontal plate and a vertical plate perpendicular to the horizontal plate, the upper end of the vertical plate in the height direction being connected to the upper surface of the core upper yoke; the first clamp is symmetrically arranged on the front and rear surfaces of the core middle column and the core lower yoke;

[0011] Among them, the first clamping member arranged on the front surface has its horizontal plate attached to the front surface of the lower yoke of the core, and its vertical plate attached to the front surface of each of the middle columns of the core; the first clamping member arranged on the rear surface has its horizontal plate attached to the rear surface of the lower yoke of the core, and its vertical plate attached to the rear surface of each of the middle columns of the core;

[0012] A second clamp is symmetrically arranged on the front surface and the rear surface of the yoke on the core, and the two side edges of the second clamp are correspondingly attached to the adjacent vertical plates;

[0013] An upper shell, sleeved on the outer sides of the core upper yoke, the vertical plate and the second clamp;

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

[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 vertical plate is divided into a first vertical plate, a second vertical plate and a third vertical plate in sequence, and the height of the second vertical plate is lower than that of the first vertical plate and lower than that of the third vertical plate; the two second clamps arranged on the same surface are connected to each other through a connecting part, and the connecting part is located above the second vertical plate.

[0017] In some embodiments of the present invention, the height of the first vertical plate is equal to the height of the third vertical plate, and the height of the connecting portion is equal to the height difference between the first vertical plate and the second vertical plate.

[0018] In some embodiments of the present invention, the second clamp is disposed in a gap between adjacent vertical plates, and two side edges of the second clamp are attached to vertical edges of adjacent vertical plates.

[0019] 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.

[0020] 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.

[0021] 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.

[0022] In some embodiments of the present invention, it also includes:

[0023] A wire package, sleeved on the outer side of each of the core middle columns;

[0024] The line package comprises:

[0025] A starting terminal row, the starting terminal row being arranged at the upper end of the wire package;

[0026] The end terminal row is arranged at the lower end of the wire package.

[0027] In some embodiments of the present utility model, the core middle column is a rectangular parallelepiped, and the reactor further includes:

[0028] A support bar is vertically arranged on four sides of each of the core columns in the vertical direction;

[0029] The support bar includes a first side support plate and a second side support plate, and the first side support plate and the second side support plate are vertically arranged, and 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 outer side of the core center column and the vertical plate, and the arc-shaped chamfered edge is attached to the inner side of the wire package.

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

[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 the first clamp, the second clamp and the shell, without opening a hole in the iron core, thus meeting the requirements of product parameters and improving product performance.

[0033] 2. The support bar fixes the core center column and the first clamp, and the pull rod fastens the upper and lower shells to improve the stability of the product structure and facilitate assembly and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary 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:

[0035] Figure 1 This is a schematic diagram of the structure of a reactor according to an embodiment of the utility model;

[0036] Figure 2 It is a schematic diagram of the exploded structure of the iron core, the first clamp and the second clamp in one embodiment of the utility model;

[0037] Figure 3 This is a schematic diagram of the exploded structure of the first clamp and the second clamp of one embodiment of the utility model;

[0038] Figure 4 This is a schematic diagram of the structure of the upper shell, the lower shell and the support bar of one embodiment of the utility model;

[0039] Figure 5 This is a schematic diagram of the exploded structure of the upper shell and the lower shell of one embodiment of the utility model;

[0040] Figure 6 This is a schematic diagram of the wire package structure of an embodiment of the utility model;

[0041] Figure 7 This is a schematic diagram of a support structure of an embodiment of the utility model;

[0042] In the above figure: 101, core center column; 102, core upper yoke; 103, core lower yoke; 2, first clamp; 201, first vertical plate; 202, second vertical plate; 203, third vertical plate; 3, second clamp; 301, connecting part; 401, upper shell; 402, lower shell; 403, assembly pull rod; 404, connecting block; 5, wire package; 501, starting terminal block; 502, ending terminal block; 6, support bar. DETAILED DESCRIPTION

[0043] 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.

[0044] 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.

[0045] 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.

[0046] 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.

[0047] As attached Figure 1 -Attached Figure 7 As shown, in an illustrative embodiment of a reactor of the utility model, it includes:

[0048] The core middle column 101 is provided with three vertical intervals;

[0049] The core upper yoke 102 is arranged at the upper end of the three core middle columns 101 in the height direction;

[0050] The core lower yoke 103 is arranged at the lower end of the three core middle columns 101 in the height direction;

[0051] The first clamp 2 includes a horizontal plate and a vertical plate perpendicular to the horizontal plate, and the upper end of the vertical plate in the height direction is connected to the upper surface of the core upper yoke 102; the first clamp 2 is symmetrically arranged on the front and rear surfaces of the core middle column and the core lower yoke;

[0052] Among them, the first clamp 2 arranged on the front surface has its horizontal plate attached to the front surface of the core lower yoke 103, and its vertical plate attached to the front surface of each core middle column 101; the first clamp 2 arranged on the rear surface has its horizontal plate attached to the rear surface of the core lower yoke 103, and its vertical plate attached to the rear surface of each core middle column 101;

[0053] The second clamp 3 is symmetrically arranged on the front surface and the rear surface of the yoke 102 on the core, and the two side edges of the second clamp 3 are correspondingly attached to the adjacent vertical plates;

[0054] The upper housing 401 is sleeved on the outer sides of the core upper yoke 102, the vertical plate and the second clamp 3;

[0055] The lower housing 402 is sleeved on the outer sides of the core lower yoke 103 and the transverse plate;

[0056] The pull rod 403 is assembled to connect the upper shell 401 and the lower shell 402 .

[0057] In this embodiment, the core middle column 101 is divided into three phases A, B, and C. The core middle column, the core upper yoke, and the core lower yoke are stacked to form an iron core. Two second clamps 3 are provided on the front and rear surfaces of the iron core, which are spliced ​​and fixed with the first clamps 2 provided on the same surface, and the splicing structure formed by the first clamps 2 and the second clamps 3 can cover the front and rear surfaces of the iron core. The front and rear sides of the upper shell 401 and the lower shell 402 are formed with protrusions to be respectively sleeved on the outer sides of the core upper yoke 102 and the core lower yoke 103. The assembly rod 403 connects the upper and lower shells. The core upper yoke 102 and the core lower yoke 103 do not need to open holes to complete the assembly of the reactor, simplifying the production process and improving product performance.

[0058] As attached Figure 3 As shown, in some embodiments, the vertical plate is divided into a first vertical plate 201, a second vertical plate 202 and a third vertical plate 203 in sequence, and the height of the second vertical plate 202 is lower than that of the first vertical plate 201 and the third vertical plate 203; two second clamps 3 arranged on the same surface are connected to each other through a connecting portion 301, and the connecting portion 301 is located above the second vertical plate 202. The second vertical plate 201 is relatively low in height, and the connecting portion 301 connects the two second clamps 3 on the same surface into a whole, which is convenient for assembly.

[0059] Preferably, in some embodiments, the height of the first vertical plate 201 is equal to the height of the third vertical plate 203, and the height of the connecting portion 301 is equal to the height difference between the first vertical plate 201 and the second vertical plate 202. A groove is formed in the middle of the second clamp 3 through the connecting portion 301, and the second vertical plate 202 is embedded in the groove. After the first clamp 2 and the second clamp 3 are spliced, the second clamp 2 and the three vertical plates can cover the core upper yoke 102.

[0060] In some embodiments, the second clamp 3 is disposed in the gap between adjacent vertical plates, and the two side edges of the second clamp 3 are attached to the vertical edges of the adjacent vertical plates. The second clamp 3 can be completely embedded in the vertical plate gap of the first clamp 2, thereby forming a clamp consistent with the surface structure of the core, thereby stabilizing the core structure.

[0061] As attached Figure 4 and attached Figure 5 As shown, in some embodiments, the front surface and the rear surface of the upper shell 401 and the front surface and the rear surface of the lower shell 402 are both provided with assembly rods 403. The assembly rods 403 are respectively provided on the front surface and the rear surface to improve stability.

[0062] In some embodiments, the front and rear surfaces of the upper shell 401 and the front and rear surfaces of the lower shell 402 are both provided with connecting blocks 404, and the assembly rods 403 on the same surface are connected to the corresponding connecting blocks 404. The connecting blocks 404 and the assembly rods 403 are fixed by bolts for easy assembly.

[0063] In some embodiments, the front and rear surfaces of the upper shell 401 and the lower shell 402 are both provided with a plurality of assembly rods 403. The plurality of assembly rods 403 are evenly spaced. In some preferred embodiments, two assembly rods 403 are respectively provided on the front and rear surfaces, and the installation position of the assembly rods 403 is located outside the gap between two adjacent core columns 101.

[0064] As attached Figure 6 As shown, in some embodiments, it also includes:

[0065] The wire package 5 is sleeved on the outer side of each core center column 101;

[0066] Line Pack 5 includes:

[0067] A starting terminal row 501, which is arranged at the upper end of the line package;

[0068] End terminal block 502, end terminal block 502 is set at the lower end of the line package.

[0069] 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.

[0070] In some embodiments, the core column 101 is a rectangular parallelepiped, and the reactor further includes:

[0071] The support bar 6 is vertically arranged on the four sides of each core column 101 in the vertical direction;

[0072] The support bar 6 includes a first side support bar plate and a second side support bar plate, which are arranged vertically, 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 outer side of the core column 101 and the vertical plate, and the arc-shaped chamfered edge is attached to the inner side of the wire package 5. The support bar is an L-shaped structure, which is arranged between the wire package 5 and the core column 101 to improve the stability between the core column 101 and the vertical plate, and between the wire package 5 and the vertical plate.

[0073] In some embodiments, air gap paper is provided 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 , so as to prevent magnetic saturation between the cores and increase magnetic resistance.

[0074] In some embodiments, the first clamp 2 and the second clamp 3 are both made of insulating materials to improve the safety of the product.

[0075] In addition, the utility model also provides a magnetic core component, including the reactor proposed in 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.

[0076] 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.

[0077] 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.

[0078] 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 first clamp, the first clamp comprising a horizontal plate and a vertical plate perpendicular to the horizontal plate, the upper end of the vertical plate in the height direction being connected to the upper surface of the core upper yoke; the first clamp is symmetrically arranged on the front and rear surfaces of the core middle column and the core lower yoke; Among them, the first clamping member arranged on the front surface has its horizontal plate attached to the front surface of the lower yoke of the core, and its vertical plate attached to the front surface of each of the middle columns of the core; the first clamping member arranged on the rear surface has its horizontal plate attached to the rear surface of the lower yoke of the core, and its vertical plate attached to the rear surface of each of the middle columns of the core; A second clamp is symmetrically arranged on the front surface and the rear surface of the yoke on the core, and the two side edges of the second clamp are correspondingly attached to the adjacent vertical plates; An upper shell, sleeved on the outer sides of the core upper yoke, the vertical plate and the second clamp; A lower housing, sleeved on the outer sides of the core lower yoke and the transverse plate; Assembling a pull rod to connect the upper shell and the lower shell; The vertical plate is divided into a first vertical plate, a second vertical plate and a third vertical plate in sequence, and the height of the second vertical plate is lower than that of the first vertical plate and the third vertical plate; the two second clamps arranged on the same surface are connected to each other through a connecting portion, and the connecting portion is located above the second vertical plate; the connecting portion forms a groove in the middle of the second clamp, and the second vertical plate is embedded in the groove. After the first clamp and the second clamp are spliced, the second clamp and the three vertical plates can cover the upper yoke of the iron core; The height of the first vertical plate is equal to the height of the third vertical plate, and the height of the connecting portion is equal to the height difference between the first vertical plate and the second vertical plate.

2. The reactor according to claim 1, characterized in that: The second clamp is arranged in the gap between adjacent vertical plates, and two side edges of the second clamp are attached to the vertical edges of the adjacent vertical plates.

3. 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.

4. The reactor according to claim 3, 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.

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

6. 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.

7. The reactor according to claim 6, 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, and the first side support plate and the second side support plate are vertically arranged, and 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 outer side of the core center column and the vertical plate, and the arc-shaped chamfered edge is attached to the inner side of the wire package.

8. A magnetic core component, characterized in that: The invention comprises the reactor as claimed in any one of claims 1 to 7.

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