Electric reactor

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By setting step edges and bumps on the winding skeleton of the reactor, and matching the positioning grooves and concave structure of the clip, the fixing problem between the clip and the frame is solved, and the assembly accuracy and efficiency of the reactor are improved.

CN222354906UActive Publication Date: 2025-01-14QINGDAO YUNLU MAGNETIC INTELLIGENT TECH CO LTD

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Patent Information

Application Number: CN202421006250.1
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-10
Publication Date: 2025-01-14
Estimated Expiration: 2034-05-10

AI Technical Summary

Technical Problem

The fixing structure of the clamps and skeletons in existing reactors is not accurate enough, resulting in low assembly efficiency and accuracy. In particular, the lack of auxiliary fixing structures in the middle clamps and iron core rings, which are prone to position deviations.

Method used

An improved winding skeleton structure is designed, and by setting step edges and bumps on the core ring, and combining the positioning grooves and concave structures of the upper and lower clamps, the precise positioning and fixing of the middle clamps and the upper and lower clamps is achieved. Ensure proper installation of the core and clamps.

Benefits of technology

It improves the assembly accuracy and efficiency of the reactor, ensures the correct position of the middle and upper and lower clamps, and simplifies the assembly process.

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Abstract

The utility model provides an electric reactor. A square-column-shaped iron core ring is formed on the framework body, a first step edge is formed on the intersecting portion of the first inner side wall and the third inner side wall of the iron core ring, and a second step edge is formed on the intersecting portion of the first inner side wall and the fourth inner side wall of the iron core ring. A third step edge is formed at the crossed part of the second inner side wall and the third inner side wall, and a fourth step edge is formed at the crossed part of the second inner side wall and the fourth inner side wall; the iron core is installed in the iron core ring, the end faces of the two sides of the iron core in the length direction are attached to the first step edge, the second step edge, the third step edge and the fourth step edge, and gaps are formed between the end faces of the two sides of the iron core in the length direction and the third inner side wall and between the end faces of the two sides of the iron core in the length direction and the fourth inner side wall respectively. The first side middle clamping piece is mounted in a gap between the iron core and the third inner side wall; the second side middle clamping piece is mounted in a gap between the iron core and the fourth inner side wall; and the coil winding is wound on the outer wall of the iron core ring.

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Description

Technical Field

[0001] The utility model relates to a winding skeleton structure and a reactor. Background Art

[0002] The structure of the reactor includes a frame, an iron core, a middle clamp, upper and lower clamps, and upper and lower iron yokes. The iron core is installed inside the frame, and the winding coil is wound outside the frame. Among them, the middle clamp is set close to the iron core, the upper clamp is installed corresponding to the upper iron yoke, and the lower clamp is installed corresponding to the lower iron yoke.

[0003] In the prior art, the skeleton includes an iron core ring, and the iron core and the middle clamp are installed in the iron core ring. The middle clamp is usually in the shape of an iron sheet, and its width is usually smaller than that of the iron core ring. However, since there is no auxiliary fixing structure for the middle clamp inside the iron core ring, the position deviation of the iron core and the middle clamp is easy to occur during the installation process, which is inconvenient to fix, affecting the assembly efficiency and assembly accuracy of the reactor.

[0004] This problem also exists during the assembly process of the upper clamp and the lower clamp. Utility Model Content

[0005] The utility model aims to solve one of the aforementioned technical problems and provide a reactor, aiming to solve the problem of fixing the clamp, the upper clamp and the frame in the reactor.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A reactor, comprising:

[0008] Winding skeleton: The skeleton body is formed with a square column-shaped core ring, and the core ring includes a first inner side wall and a second inner side wall along the length direction, and a third inner side wall and a fourth inner side wall along the width direction; the first inner side wall and the third inner side wall intersect at a portion to form a first step edge, and the first inner side wall and the fourth inner side wall intersect at a portion to form a second step edge, the first step edge fits the first inner side wall and the third inner side wall, and is arranged in the direction of the second inner side wall, and the second step edge fits the first inner side wall and the fourth inner side wall, and is arranged in the direction of the second inner side wall; the second inner side wall and the third inner side wall intersect at a portion to form a third step edge, and the second inner side wall and the fourth inner side wall intersect at a portion to form a fourth step edge, the third step edge fits the second inner side wall and the third inner side wall, and is arranged in the direction of the first inner side wall, and the fourth step edge fits the second inner side wall and the fourth inner side wall, and is arranged in the direction of the first inner side wall;

[0009] Iron core: installed in the iron core ring, the end faces on both sides of the length direction of the iron core are in contact with the first step edge, the second step edge, the third step edge, and the fourth step edge, and the end faces on both sides of the length direction of the iron core respectively form gaps with the third inner side wall and the fourth inner side wall;

[0010] The first side middle clamp is installed in the gap between the iron core and the third inner side wall;

[0011] Second side middle clamp: installed in the gap between the iron core and the fourth inner side wall;

[0012] Coil winding: wound around the outer wall of the core ring.

[0013] In some embodiments of the present invention, the winding frame further comprises:

[0014] The first side edge: surrounds the first end opening of the core ring and is arranged in a direction perpendicular to the side wall of the core ring; on the upper end surface of the first side edge, close to one end of the third inner side wall, a first protrusion and a second protrusion are arranged at intervals, and the first protrusion and the second protrusion form a gap parallel to the opening edge of the third inner side wall;

[0015] The first side iron yoke is arranged above the iron core;

[0016] The first side clamp: comprises a first mounting portion, the first mounting portion comprises a head portion and a main body portion, the main body portion is arranged to fit the first side middle clamp, and is connected to the first side middle clamp and the first side iron yoke through a fixing member, the head portion forms a reduced step structure relative to the main body portion, and is inserted into the gap formed by the first protrusion and the second protrusion, and the two side ends of the head portion of the first side clamp in the length direction are respectively fitted with the first protrusion and the second protrusion.

[0017] In some embodiments of the utility model, a third protrusion is further provided on the upper end surface of the first side edge, and the third protrusion is arranged on the outside of the gap formed by the first protrusion and the second protrusion, and the outside is the side away from the first opening end; the side surface of the head of the first side clamp is in contact with the third protrusion.

[0018] In some embodiments of the utility model, the first side clamp further includes a second mounting portion, the second mounting portion is integral with the main body of the first mounting portion, is bent relative to the main body, and is provided with a mounting hole.

[0019] In some embodiments of the present invention, the present invention further comprises:

[0020] Second side iron yoke: arranged below the iron core;

[0021] The second side clamp: includes a main body and a mounting portion, the main body is concave, including two side surfaces and a transverse surface connecting the two side surfaces; the second side iron yoke is located in the concave groove of the main body, the two side surfaces and the transverse surface are respectively fitted with the corresponding surfaces of the second side iron yoke, and the two side surfaces of the second side clamp are connected to the second side iron yoke through a fixing member; the mounting portion is an extension surface symmetrically arranged on both sides of the relative transverse surface, and a mounting hole is arranged on the mounting portion.

[0022] In some embodiments of the present invention, the winding frame further includes a second side edge, which surrounds the second end opening of the core ring and is arranged in a direction perpendicular to the side wall of the core ring.

[0023] In some embodiments of the utility model, the coil winding is arranged between the first side edge and the second side edge, and the dimensions of the first side edge and the second side edge are configured so that when the coil winding is wound on the winding frame, it is located within the range defined by the side edge of the first side edge and the side edge of the second side edge.

[0024] Compared with the prior art, the reactor provided by the utility model has the following technical advantages:

[0025] 1. Improve the structure of the winding skeleton and the positioning step structure of the clamp in the winding injection molding skeleton processing, which is used for positioning between the product line package and the middle clamp.

[0026] 2. Improve the structure of the upper clamp, design the upper clamp positioning groove position on the outside of the injection molded frame, perform matching cutting on the upper clamp structure, and embed the two for positioning. By embedding the width and height, the left and right and height dimensions of the upper clamp can be accurately defined.

[0027] 3. The improved skeleton structure enables more precise and efficient assembly of the reactor. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0029] Figure 1 It is the schematic diagram of the reactor structure;

[0030] Figure 2 It is a schematic diagram of the structure of the winding skeleton from the first perspective;

[0031] Figure 3 It is a schematic diagram of the structure of the winding skeleton from the first perspective;

[0032] Figure 4 This is a structural diagram of the winding frame with the iron core installed;

[0033] Figure 5 This is a structural diagram of the winding frame under the clamping state during installation;

[0034] Figure 6 Schematic diagram of the upper clamp structure;

[0035] Figure 7 Schematic diagram of the lower clamp structure;

[0036] Figure 8 It is a structural schematic diagram of the upper clamp and the lower clamp in the installed state;

[0037] In the above figures:

[0038] 1-winding skeleton, 101-core ring, 102-first inner side wall, 103-second inner side wall, 104-third inner side wall, 105-fourth inner side wall, 106-first step edge, 107-second step edge, 108-third step edge, 109-fourth step edge, 110-first side edge, 111-first protrusion, 112-second protrusion, 113-third protrusion, 114-second side edge;

[0039] 2- Iron core;

[0040] 3- first side middle clamp;

[0041] 4-Second side middle clamp;

[0042] 5- Coil winding;

[0043] 6- first side iron yoke;

[0044] 7- Second side iron yoke;

[0045] 8-upper clamp, 801-head, 802-main body, 803-second mounting part, 804-mounting hole;

[0046] 9-lower clamp, 901-main body, 902-installation part, 903-installation hole. DETAILED DESCRIPTION

[0047] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0048] It should be noted that when an element is referred to as being "disposed on", "connected to", another element, it can be directly on the other element or 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 indirectly connected to the other element.

[0049] It should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "bottom", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0050] The terms "first" and "second" are used for descriptive purposes only and are not used to imply relative importance.

[0051] refer to Figure 1 The utility model provides a reactor, and its specific structure is as follows.

[0052] The skeleton body of the winding skeleton 1 is formed with a square columnar iron core ring 101, and the coil winding 5 is wound on the outer wall of the iron core ring 101. Generally, the reactor includes multiple groups of windings, and the reactor in this embodiment includes two groups of windings, and therefore includes two winding skeletons 1 of the same structure and corresponding matching installation structures.

[0053] Structural reference of winding frame 1 Figures 2 to 5 The core ring 101 includes a first inner side wall 102 and a second inner side wall 103 along the length direction, and a third inner side wall 104 and a fourth inner side wall 105 along the width direction; the first inner side wall 102 and the third inner side wall 104 intersect to form a first step edge 106, the first inner side wall 102 and the fourth inner side wall intersect to form a second step edge 107, the first step edge 106 is attached to the first inner side wall 102 and the third inner side wall 104, and is arranged in the direction of the second inner side wall 103, and the second step edge 107 is attached to the first inner side wall The side wall 102 and the fourth inner wall 105 are arranged in the direction of the second inner wall 103; the part where the second inner wall 103 and the third inner wall 104 intersect forms a third step edge 108, and the part where the second inner wall 103 and the fourth inner wall 105 intersect forms a fourth step edge 109. The third step edge 108 fits the second inner wall 103 and the third inner wall 104 and is arranged in the direction of the first inner wall 102, and the fourth step edge 109 fits the second inner wall 103 and the fourth inner wall 105 and is arranged in the direction of the first inner wall 102.

[0054] Through the above structure, a gap structure is formed between the first step edge 106 and the second step edge 107, and a gap structure is formed between the third step edge 108 and the fourth step edge 109. The sizes of the two gaps are designed according to the width of the middle clamp.

[0055] The iron core 2 is installed in the iron core ring 101, and the first side iron yoke 6 (iron core upper yoke) and the second side iron yoke 7 (iron core lower yoke) are respectively arranged above and below the iron core 2; the end faces of the iron core 2 on both sides in the length direction are in contact with the first step edge 106, the second step edge 107, the third step edge 108, and the fourth step edge 109, and the end faces of the iron core 2 on both sides in the length direction respectively form gaps with the third inner side wall 104 and the fourth inner side wall 105. The gaps correspond to: a gap structure is formed between the first step edge 106 and the second step edge 107, and a gap structure is formed between the third step edge 108 and the fourth step edge 109.

[0056] The first side middle clamp 3 is installed in the gap between the iron core 2 and the third inner side wall 104, and the second side middle clamp 3 is installed in the gap between the iron core 2 and the fourth inner side wall 105. Since the size of the gap is adapted to the size design of the middle clamp, the two middle clamps can be positioned after being installed in the gaps, which is convenient for subsequent assembly.

[0057] In some embodiments of the present invention, the winding frame 1 further comprises:

[0058] A first side edge 110 is arranged around the opening end of the first end of the core ring, and the first side edge 110 is arranged in a direction perpendicular to the side wall of the core ring 101; on the upper end surface of the first side edge 110, close to one end of the third inner wall 104, a first protrusion 111 and a second protrusion 112 are arranged at intervals, and the first protrusion 111 and the second protrusion 112 form a gap parallel to the opening edge of the third inner wall 104.

[0059] refer to Figure 6 The first side clamp can also be called the upper clamp 8, which is installed correspondingly on the first side iron yoke 6: it includes a first mounting portion, the first mounting portion is used for the installation between the upper clamp 8 and the first side iron yoke 6, and includes a head 801 and a main body 802. The main body 802 is arranged in contact with the first side middle clamp 3, and is connected to the first side middle clamp 3 and the first side iron yoke 6 through a fixing member. The head 801 forms a reduced step structure relative to the main body 802, and is inserted in the gap formed by the first protrusion 111 and the second protrusion 112. The two side ends of the head 801 of the upper clamp 8 in the length direction are respectively in contact with the first protrusion 111 and the second protrusion 112.

[0060] In some embodiments of the utility model, a third protrusion 113 is further provided on the upper end surface of the first side edge 110, and the third protrusion is provided outside the gap formed by the first protrusion 111 and the second protrusion 112, and the outside is the side away from the first opening end; the side surface of the head of the first side clamp is in contact with the third protrusion 113. The first protrusion 111, the second protrusion 112 and the third protrusion 113 cooperate to achieve a better fixing effect on the upper clamp 8.

[0061] In some embodiments of the present invention, the first side clamp further includes a second mounting portion 803 for auxiliary mounting of the reactor as a whole. The second mounting portion 803 is integrated with the main body 801 of the first mounting portion, bent relative to the main body 801, and has a mounting hole 804.

[0062] The length of the second mounting portion 803 of the upper clamp 8 is determined according to the number of reactor windings, and needs to be able to fit the middle clamp and the first side iron yoke installed in each winding. The number of the first mounting portions of the upper clamp 8 is the same as the number of windings.

[0063] By improving the structure of the upper clamp 8, it can be better matched with the winding frame 1, and the upper clamp 8 is positioned to facilitate the assembly between the upper clamp 8 and the reactor.

[0064] refer to Figure 7 In some embodiments of the utility model, the reactor further includes a second side clamp. The second side clamp can also be called a lower clamp 9, including a main body 901 and a mounting portion 902. The main body 901 is concave, including two side surfaces and a transverse surface connecting the two side surfaces; the second side iron yoke 7 is located in the concave groove of the main body 901, and the two side surfaces and the transverse surface are respectively fitted with the corresponding surfaces of the second side iron yoke 7, and the two side surfaces of the lower clamp 9 are connected to the second side iron yoke 7 through a fixing member; the mounting portion 902 is used for auxiliary installation of the reactor as a whole, and is an extended surface symmetrically arranged on both sides of the relative transverse surface, and a mounting hole 903 is arranged on the mounting portion.

[0065] like Figure 7 As shown, the length of the transverse surface of the main body is designed according to the number of reactor windings and the arrangement length of all windings, and the side surfaces on both sides can be designed as an integrated structure or a segmented structure.

[0066] In some embodiments of the present invention, the winding frame 1 further includes a second side edge 114, which surrounds the second end opening of the core ring 101 and is arranged in a direction perpendicular to the side wall of the core ring 101. The coil winding 5 is arranged between the first side edge 110 and the second side edge 114, and the sizes of the first side edge 110 and the second side edge 114 are configured such that when the coil winding 5 is wound on the winding frame 1, it is located within the range defined by the side edges 110 of the first side edge and the side edges 114 of the second side edge.

[0067] The reactor provided by the utility model improves the structure of the winding frame 1, adds positioning structures for the middle clamps and the upper clamps on both sides, and can facilitate the assembly of the reactor.

[0068] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A reactor, characterized in that: include: Winding skeleton: The skeleton body is formed with a square column-shaped core ring, and the core ring includes a first inner side wall and a second inner side wall along the length direction, and a third inner side wall and a fourth inner side wall along the width direction; the first inner side wall and the third inner side wall intersect at a portion to form a first step edge, and the first inner side wall and the fourth inner side wall intersect at a portion to form a second step edge, the first step edge fits the first inner side wall and the third inner side wall, and is arranged in the direction of the second inner side wall, and the second step edge fits the first inner side wall and the fourth inner side wall, and is arranged in the direction of the second inner side wall; the second inner side wall and the third inner side wall intersect at a portion to form a third step edge, and the second inner side wall and the fourth inner side wall intersect at a portion to form a fourth step edge, the third step edge fits the second inner side wall and the third inner side wall, and is arranged in the direction of the first inner side wall, and the fourth step edge fits the second inner side wall and the fourth inner side wall, and is arranged in the direction of the first inner side wall; Iron core: installed in the iron core ring, the end faces on both sides of the length direction of the iron core are in contact with the first step edge, the second step edge, the third step edge, and the fourth step edge, and the end faces on both sides of the length direction of the iron core respectively form gaps with the third inner side wall and the fourth inner side wall; The first side middle clamp is installed in the gap between the iron core and the third inner side wall; Second side middle clamp: installed in the gap between the iron core and the fourth inner side wall; Coil winding: wound around the outer wall of the core ring; The winding skeleton further comprises: The first side edge: surrounds the first end opening of the core ring and is arranged in a direction perpendicular to the side wall of the core ring; on the upper end surface of the first side edge, close to one end of the third inner side wall, a first protrusion and a second protrusion are arranged at intervals, and the first protrusion and the second protrusion form a gap parallel to the opening edge of the third inner side wall; The first side iron yoke is arranged above the iron core; The first side clamp: comprises a first mounting portion, the first mounting portion comprises a head portion and a main body portion, the main body portion is arranged to fit the first side middle clamp, and is connected to the first side middle clamp and the first side iron yoke through a fixing member, the head portion forms a reduced step structure relative to the main body portion, and is inserted into the gap formed by the first protrusion and the second protrusion, and the two side ends of the head portion of the first side clamp in the length direction are respectively fitted with the first protrusion and the second protrusion.

2. The reactor according to claim 1, characterized in that: A third protrusion is further arranged on the upper end surface of the first side edge, and the third protrusion is arranged outside the gap formed by the first protrusion and the second protrusion, and the outside is the side away from the first opening end; the side surface of the head of the first side clamp is in contact with the third protrusion.

3. The reactor according to claim 1 or 2, characterized in that: The first side clamp further includes a second mounting portion, the second mounting portion is integral with the main body of the first mounting portion, is bent relative to the main body, and is provided with a mounting hole.

4. The reactor according to claim 1, characterized in that: Also includes: Second side iron yoke: arranged below the iron core; The second side clamp: includes a main body and a mounting portion, the main body is concave, including two side surfaces and a transverse surface connecting the two side surfaces; the second side iron yoke is located in the concave groove of the main body, the two side surfaces and the transverse surface are respectively fitted with the corresponding surfaces of the second side iron yoke, and the two side surfaces of the second side clamp are connected to the second side iron yoke through a fixing member; the mounting portion is an extension surface symmetrically arranged on both sides of the relative transverse surface, and a mounting hole is arranged on the mounting portion.

5. The reactor according to claim 1, characterized in that: The winding frame further includes a second side edge, which surrounds the second end opening of the core ring and is arranged in a direction perpendicular to the side wall of the core ring.

6. The reactor according to claim 5, characterized in that: The coil winding is arranged between the first side edge and the second side edge, and the sizes of the first side edge and the second side edge are configured so that when the coil winding is wound on the winding frame, it is located within the range defined by the side edge of the first side edge and the side edge of the second side edge.