Nanocrystalline magnetic core shell with wiring trough
By designing wire troughs on the nanocrystalline magnetic core shell for double-wire winding, the problem of poor winding number during winding is solved, and the defect rate and production cost are reduced.
Patent Information
- Application Number
- CN202420366942.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-27
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-02-27
AI Technical Summary
The existing nanocrystalline magnetic core shells are prone to poor winding number when wound, increasing the defect rate and production cost.
A nanocrystalline magnetic core housing with wire grooves is designed, including an upper cover and a lower cover, both of which are removably connected, and a first conductor groove and a second conductor groove are provided on the outer surface, both of which are connected for double-wire and winding.
Through the double-wire and winding design of the wire trough, the poor number of windings during winding is effectively avoided, the defect rate of the nanocrystalline magnetic core shell is reduced, and the production cost is reduced.
Smart Images
Figure CN222600711U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of magnetic core shells, in particular to a nanocrystalline magnetic core shell with a wire groove. Background Art
[0002] Nanocrystalline magnetic cores are widely used in EMC common mode filtering, transformers, etc. due to their high magnetic permeability. Since the nanocrystalline magnetic core is relatively fragile, a shell is usually required to protect the core.
[0003] The existing nanocrystalline magnetic core shell is prone to poor winding turns during winding, which increases the defective rate of the nanocrystalline magnetic core shell and increases the production cost. Utility Model Content
[0004] In view of this, an object of the embodiments of the present utility model is to provide a nanocrystalline magnetic core shell with a wire groove, which can reduce the defective rate of the nanocrystalline magnetic core shell and reduce the production cost.
[0005] In the first aspect, an embodiment of the utility model provides a nanocrystalline magnetic core shell with a wire groove, including an upper cover and a lower cover, the upper cover and the lower cover are detachably connected, a nanocrystalline magnetic core is arranged between the upper cover and the lower cover, the outer surface of the upper cover is provided with a first wire groove, the outer surface of the lower cover is provided with a second wire groove, the first wire groove and the second wire groove are connected, and the first wire groove and the second wire groove are both used for double-wire parallel winding.
[0006] Optionally, both the first wire groove and the second wire groove are provided with R chamfers.
[0007] Optionally, reinforcing ribs are provided on both the first wire trough and the second wire trough.
[0008] Optionally, two groups of the first wire troughs and two groups of the second wire troughs are provided, the two groups of the first wire troughs are symmetrically arranged, and the two groups of the second wire troughs are symmetrically arranged.
[0009] Optionally, a plurality of the first wire grooves and the second wire grooves are provided, and the first wire grooves and the second wire grooves are both provided with bevel openings.
[0010] Optionally, a first distance between every two adjacent first conductive wire grooves is equal, and a second distance between every two adjacent second conductive wire grooves is equal.
[0011] Optionally, the nanocrystalline magnetic core shell is connected to a positioning base.
[0012] Optionally, the positioning base includes a positioning column and a positioning hole, the positioning column is used to position the nanocrystalline magnetic core shell, and the positioning hole is used to position the wires on the first wire groove and the second wire groove.
[0013] Optionally, a plurality of snap fasteners are provided at the connection between the upper cover and the lower cover.
[0014] Optionally, the buckle member includes a buckle column and a buckle groove, and the buckle column is matched with the buckle groove.
[0015] The implementation of the utility model embodiment includes the following beneficial effects: the utility model embodiment provides a nanocrystalline magnetic core shell with a wire groove, including an upper cover and a lower cover, the upper cover and the lower cover are detachably connected, a nanocrystalline magnetic core is arranged between the upper cover and the lower cover, a first wire groove is arranged on the outer surface of the upper cover, a second wire groove is arranged on the outer surface of the lower cover, the first wire groove and the second wire groove are connected, and the first wire groove and the second wire groove are both used for double wire parallel winding. Double wire parallel winding is performed by the first wire groove and the second wire groove, which effectively avoids the poor number of winding turns during winding, thereby reducing the defective rate of the nanocrystalline magnetic core shell and reducing the production cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic structural diagram of a nanocrystalline magnetic core shell with a wire groove provided by an embodiment of the utility model;
[0017] Figure 2 This is a planing view of a nanocrystalline magnetic core shell provided by an embodiment of the utility model;
[0018] Figure 3 It is a structural schematic diagram of a nanocrystalline magnetic core housing and a positioning base provided by an embodiment of the utility model;
[0019] Reference numerals: upper cover 1, lower cover 2, reinforcing rib 3, first wire groove 41, second wire groove 42, R chamfer 5, nanocrystalline magnetic core 6, positioning column 7, positioning hole 8, wire 9. DETAILED DESCRIPTION
[0020] 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 of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.
[0021] In the embodiments of the present invention, words such as "exemplary" or "for example" are used to indicate examples, illustrations or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present invention should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.
[0022] In the following, the terms "first" and "second" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, unless otherwise specified, "plurality" means two or more.
[0023] Reference Figure 1-2 The utility model embodiment provides a nanocrystalline magnetic core shell with a wire groove, including an upper cover 1 and a lower cover 2, the upper cover 1 and the lower cover 2 are detachably connected, a nanocrystalline magnetic core 6 is arranged between the upper cover 1 and the lower cover 2, the outer surface of the upper cover 1 is provided with a first wire groove 41, the outer surface of the lower cover 2 is provided with a second wire groove 42, the first wire groove 41 and the second wire groove 42 are connected, and the first wire groove 41 and the second wire groove 42 are both used for double-wire parallel winding.
[0024] Specifically, the nanocrystalline magnetic core shell includes an upper cover 1 and a lower cover 2, and the upper cover 1 and the lower cover 2 are detachably connected, and the nanocrystalline magnetic core 6 is protected by the upper cover 1 and the lower cover 2. A first wire groove 41 is provided on the outer surface of the upper cover 1, and a second wire groove 42 is provided on the outer surface of the lower cover 2. The first wire groove 41 and the second wire groove 42 are connected. When the upper cover 1 and the lower cover 2 are connected, the first wire groove 41 and the second wire groove 42 are correspondingly connected, so that the wire can be wound between the first wire groove 41 and the second wire groove 42, so that the overlapping and disorder of the wires 9 with different numbers of turns are effectively avoided during the winding, and the withstand voltage risk caused by the winding cross is effectively reduced, thereby avoiding the poor number of winding turns, reducing material loss, and the defective rate of the nanocrystalline magnetic core shell is low, which reduces the production cost.
[0025] In some optional embodiments, both the first wire groove 41 and the second wire groove 42 are provided with an R chamfer 5 .
[0026] Specifically, refer to Figure 1-2 The R chamfer 5 matches the wire 9 in the first wire groove 41 and the second wire groove 42, thereby ensuring that the wire 9 is in full contact with the first wire groove 41 and the second wire groove 42, reducing the pressure of the wire 9 on the nanocrystalline magnetic core shell and reducing the risk of shell damage.
[0027] In some optional embodiments, reinforcing ribs 3 are provided on both the first wire groove 41 and the second wire groove 42 .
[0028] Specifically, refer to Figure 1 By providing reinforcing ribs 3 on the first wire groove 41 and the second wire groove 42, the strength of the first wire groove 41 and the second wire groove 42 is increased, so that the first wire groove 41 and the second wire groove 42 can withstand greater pressure, further reducing the risk of shell damage.
[0029] In some optional embodiments, two groups of the first wire grooves 41 and the second wire grooves 42 are provided, and the two groups of the first wire grooves 41 are symmetrically arranged, and the two groups of the second wire grooves 42 are symmetrically arranged.
[0030] Specifically, refer to Figure 1-2 A group of first wire grooves 41 and second wire grooves 42 are arranged on the left side of the nanocrystalline magnetic core shell, and another group of first wire grooves 41 and second wire grooves 42 are arranged on the left side of the nanocrystalline magnetic core shell. The two groups of first wire grooves 41 and second wire grooves 42 are symmetrically arranged, so that the wire 9 can be wound in parallel in double wires.
[0031] In some optional embodiments, a plurality of the first wire groove 41 and the second wire groove 42 are provided, and the first wire groove 41 and the second wire groove 42 are both provided with an oblique opening.
[0032] Specifically, refer to Figure 1-2 Both groups of first wire grooves 41 and second wire grooves 42 are provided with a plurality of them, and the unconnected ends of the first wire grooves 41 and the second wire grooves 42 are provided with an angled opening, which can increase the direct contact area between the first wire grooves 41 and the second wire grooves 42 and the wire 9 through the angled opening, thereby reducing the endpoint pressure of the first wire grooves 41 and the second wire grooves 42 and reducing the risk of damage to the nanocrystalline magnetic core shell.
[0033] In some optional embodiments, the first distance between every two adjacent first conductive grooves 41 is equal, and the second distance between every two adjacent second conductive grooves 42 is equal.
[0034] Specifically, refer to Figure 1-2 The first distance between every two adjacent first wire grooves 41 is equal, the second distance between every two adjacent second wire grooves 42 is equal, and the first distance and the second distance are equal. By setting the first wire grooves 41 and the second wire grooves 42 with the same interval, the consistency of leakage inductance is effectively guaranteed.
[0035] In some optional embodiments, the nanocrystalline magnetic core shell is connected to a positioning base.
[0036] Specifically, refer to Figure 3 The nanocrystalline core shell can cooperate with the base to achieve self-positioning without tooling, with fast positioning and high production efficiency.
[0037] In some optional embodiments, the positioning base includes a positioning column 7 and a positioning hole 8, the positioning column 7 is used to position the nanocrystalline magnetic core shell, and the positioning hole 8 is used to position the wires 9 on the first wire groove 41 and the second wire groove 42.
[0038] Specifically, refer to Figure 3 There are two positioning posts 7 for positioning the left and right ends of the nanocrystalline magnetic core shell respectively. There are four positioning holes 8 for positioning the endpoints of the two wires 9 on the two groups of first wire grooves 41 and second wire grooves 42.
[0039] In some optional embodiments, a plurality of snap fasteners are provided at the connection between the upper cover 1 and the lower cover 2 .
[0040] In some optional embodiments, the snap member includes a snap column and a snap groove, and the snap column is adapted to the snap groove.
[0041] Specifically, multiple buckles are evenly spaced to ensure that the buckled upper cover 1 and lower cover 2 are stable. The upper cover 1 is provided with a buckle column, and the lower cover 2 is provided with a buckle groove. After the buckle column is buckled into the buckle groove, the upper cover 1 and the lower cover 2 are connected.
[0042] The implementation of the utility model embodiment includes the following beneficial effects: the utility model embodiment provides a nanocrystalline magnetic core shell with a wire groove, including an upper cover 1 and a lower cover 2, the upper cover 1 and the lower cover 2 are detachably connected, a nanocrystalline magnetic core 6 is arranged between the upper cover 1 and the lower cover 2, the outer surface of the upper cover 1 is provided with a first wire groove 41, the outer surface of the lower cover 2 is provided with a second wire groove 42, the first wire groove 41 and the second wire groove 42 are connected, and the first wire groove 41 and the second wire groove 42 are both used for double-wire parallel winding. Double-wire parallel winding is performed by the first wire groove 41 and the second wire groove 42, which effectively avoids the poor number of winding turns during winding, thereby reducing the defective rate of the nanocrystalline magnetic core shell and reducing the production cost.
[0043] In the description of this specification, the description with reference to the term "in a specific embodiment" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0044] The above is a specific description of the preferred implementation of the utility model, but the invention of the utility model is not limited to the described embodiments. Technical personnel familiar with the field can also make various equivalent deformations or substitutions without violating the spirit of the utility model. These equivalent deformations or substitutions are all included in the scope defined by the claims of this application.
Claims
1. A nanocrystalline magnetic core shell with a wire groove, characterized in that: It includes an upper cover and a lower cover, the upper cover and the lower cover are detachably connected, a nanocrystalline magnetic core is arranged between the upper cover and the lower cover, a first wire groove is arranged on the outer surface of the upper cover, and a second wire groove is arranged on the outer surface of the lower cover, the first wire groove and the second wire groove are connected, and the first wire groove and the second wire groove are both used for double-wire parallel winding.
2. The nanocrystalline magnetic core shell according to claim 1, characterized in that: The first conductive wire groove and the second conductive wire groove are both provided with R chamfers.
3. The nanocrystalline magnetic core shell according to claim 2, characterized in that: The first wire groove and the second wire groove are both provided with reinforcing ribs.
4. The nanocrystalline magnetic core shell according to claim 3, characterized in that: The first wire troughs and the second wire troughs are both provided in two groups, the two groups of the first wire troughs are symmetrically arranged, and the two groups of the second wire troughs are symmetrically arranged.
5. The nanocrystalline magnetic core shell according to claim 1, characterized in that: A plurality of the first wire grooves and a plurality of the second wire grooves are provided, and the first wire grooves and the second wire grooves are provided with bevel openings.
6. The nanocrystalline magnetic core shell according to claim 5, characterized in that: The first distance between every two adjacent first conductive grooves is equal, and the second distance between every two adjacent second conductive grooves is equal.
7. The nanocrystalline magnetic core shell according to claim 1, characterized in that: The nanocrystalline magnetic core shell is connected with a positioning base.
8. The nanocrystalline magnetic core shell according to claim 7, characterized in that: The positioning base includes a positioning column and a positioning hole, wherein the positioning column is used to position the nanocrystalline magnetic core shell, and the positioning hole is used to position the wires on the first wire groove and the second wire groove.
9. The nanocrystalline magnetic core shell according to claim 1, characterized in that: A plurality of buckles are arranged at the connection between the upper cover and the lower cover.
10. The nanocrystalline magnetic core shell according to claim 9, characterized in that: The buckle member comprises a buckle column and a buckle slot, and the buckle column is matched with the buckle slot.