CN219143930U

CN219143930U - Improved stator framework on electromagnetic coil

Info

Publication number: CN219143930U
Application number: CN202222281576.2U
Authority: CN
Inventors: 请求不公布姓名
Original assignee: Ningbo Wanjia Intelligent Technology Co ltd
Current assignee: Ningbo Wanjia Intelligent Technology Co ltd
Priority date: 2022-08-27
Filing date: 2022-08-27
Publication date: 2023-06-06
Anticipated expiration: 2032-08-27

Abstract

The utility model discloses an improved stator framework on an electromagnetic coil, which comprises a framework and a coil, wherein the framework comprises a winding reel for winding the coil, and is characterized in that: the upper end of the winding reel is radially and uniformly provided with a plurality of upper stop rods, the lower end of the winding reel is radially and uniformly provided with a plurality of lower stop rods, the winding reel is provided with a plurality of heat dissipation holes, the upper stop rods are provided with a bracket, and a fan is arranged in the bracket in an inverted mode. The utility model provides an improved stator framework on an electromagnetic coil, which realizes active heat dissipation of the electromagnetic coil and improves the heat dissipation effect of the electromagnetic coil.

Description

Improved stator framework on electromagnetic coil

Technical Field

The utility model relates to an improved stator framework on an electromagnetic coil.

Background

The electromagnetic coil generates a magnetic field when being electrified, and generates heat when generating the magnetic field, especially when the electromagnetic coil is applied to a strong magnetic field heavy frequency magnet in a proton medical treatment range driven by laser, a strong magnetic field of more than 10T can be generated by single electrifying and loading, but because the strong magnetic field is generated due to the existence of the resistance of the electromagnetic coil, strong current and intensive winding are required, a large amount of Joule heat is generated by the electromagnetic coil when generating the strong magnetic field, the temperature of the coil is increased if the heat is not discharged in time, the resistance of the coil is increased, more heat is generated when the magnetic field strength is reduced in the next loading, and therefore, the heat must be discharged.

Disclosure of Invention

The utility model aims to solve the technical problem of the prior art, and provides an improved stator framework on an electromagnetic coil, which realizes active heat dissipation of the electromagnetic coil and improves the heat dissipation effect of the electromagnetic coil.

The technical scheme adopted for solving the technical problems is as follows: an improvement formula stator skeleton on electromagnetic coil, is including being used for coil winding's bobbin, its characterized in that: the upper end of the winding reel is radially and uniformly provided with a plurality of upper stop rods, the lower end of the winding reel is radially and uniformly provided with a plurality of lower stop rods, the winding reel is provided with a plurality of heat dissipation holes, the upper stop rods are provided with a bracket, and a fan is arranged in the bracket in an inverted mode.

As an improvement, be provided with the radiating piece in the bobbin, the radiating piece includes interior post and outer post, and the outside wall and the bobbin inside wall laminating of outer post are connected with the connection piece between interior post and the outer post.

And the inner column is provided with a middle through hole, and a magnetic conduction rod is arranged in the middle through hole.

And the outer peripheral wall of the winding reel is provided with a plurality of wire clamping grooves in parallel at intervals along the axial direction, the wire clamping grooves are of a trapezoid structure with small inner ends and large outer ends, and the radiating holes are formed in the bottoms of the wire clamping grooves.

And the upper stop lever and the lower stop lever are spirally connected to the winding reel.

Compared with the prior art, the utility model has the advantages that: according to the utility model, baffle structures at two ends of a traditional winding drum are designed into radial baffle structures, a large gap exists between two adjacent baffle structures, meanwhile, a plurality of radiating holes are formed in the winding drum, a fan at the end part of the winding drum is used for radiating a coil, wind generated by the fan can blow and cool the end face of the coil through the gap between the baffle structures, meanwhile, cold wind can enter from the inside of the winding drum and blow and cool the coil radially through each radiating hole on the winding drum, in addition, in a further scheme, a radiating piece is arranged in the winding drum, the outer column of the radiating piece absorbs heat of the coil and transmits the heat to the connecting piece and the inner column, and the fan cools the inner column and the connecting piece, and because the positions of the fan and the connecting piece are arranged right over, the cooling effect of blowing and cooling is improved.

Drawings

FIG. 1 is a schematic view of an improved stator frame on an electromagnetic coil according to an embodiment of the present utility model;

fig. 2 is a bottom view of fig. 1.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 1 and 2, the improved stator skeleton on an electromagnetic coil in this embodiment includes a bobbin 1 for winding the coil, a plurality of upper bars 21 are radially and uniformly distributed on the upper end of the bobbin 1, a plurality of lower bars 22 are radially and uniformly distributed on the lower end of the bobbin 1, a plurality of heat dissipation holes 11 are formed in the bobbin 1, a bracket 3 is provided on the upper bars 21, and a fan 4 is reversely arranged in the bracket 3.

Preferably, for ease of forming and installation, the upper bar 21 and the lower bar 22 are screw-coupled to the bobbin 1.

In addition, in order to further improve the heat absorption and radiation effects, a radiation member 5 is provided in the bobbin 1, the radiation member 5 includes an inner post 51 and an outer post 52, the outer side wall of the outer post 52 is attached to the inner side wall of the bobbin 1, and a connection piece 53 is connected between the inner post 51 and the outer post 52. The outer column 52 absorbs heat from the coil and transfers the heat to the connecting sheet 53 and the inner column 51, and the connecting sheet 53 and the inner column 51 are just opposite to the fan 4, so that the heat dissipation element 5 is conveniently and actively cooled.

Meanwhile, the inner column 51 is provided with a middle through hole 511, and a magnetic conduction rod is arranged in the middle through hole 511, so that the arrangement of the magnetic conduction rod is facilitated by designing the middle through hole 511 on the inner column 51.

In addition, in the embodiment of the utility model, a plurality of wire clamping grooves 12 are arranged on the outer peripheral wall of the winding reel at intervals along the axial direction, the wire clamping grooves 12 are in a trapezoid structure with small inner ends and large outer ends, and the heat dissipation holes 11 are formed in the bottoms of the wire clamping grooves 12. When the coils are wound on the winding reel 1, the coils at the innermost layer are clamped into the corresponding clamping wire grooves 12, so that the coils are conveniently and orderly arranged in parallel; on the other hand, the trapezoidal structure of the wire clamping groove 12 enables the bottom of the inner layer coil not to be in contact with the bottom of the wire clamping groove 12, so that cold air can be blown into the heat radiating holes 11 to cool the inner layer coil.

In summary, the baffle structures at two ends of the traditional winding reel 1 are designed into radial baffle structures, a large gap exists between two adjacent baffle structures, meanwhile, a plurality of radiating holes 11 are formed in the winding reel 1, the fan 4 at the end part of the winding reel 1 is used for radiating the coil, wind generated by the fan 4 can realize blowing cooling on the end face of the coil through the gap between the baffle structures, meanwhile, cold wind can enter from the inside of the winding reel 1 and then blow cooling is carried out on the coil in the radial direction through each radiating hole 11 on the winding reel 1, in addition, in a further scheme, a radiating piece 5 is arranged in the winding reel 1, the outer column 52 of the radiating piece 5 absorbs heat of the coil and transmits the heat to the connecting piece 53 and the inner column 51, and the fan 4 cools the inner column 51 and the connecting piece 53, and the positions of the fan 4 and the connecting piece 53 are arranged in a positive way, so that the cooling effect of blowing cooling is improved.

Claims

1. An improved stator armature on an electromagnetic coil, comprising a bobbin (1) for coil winding, characterized in that: the upper end of the winding reel (1) is radially and uniformly provided with a plurality of upper stop rods (21), the lower end of the winding reel (1) is radially and uniformly provided with a plurality of lower stop rods (22), the winding reel (1) is provided with a plurality of radiating holes (11), the upper stop rods (21) are provided with a support (3), and a fan (4) is arranged in the support (3) in an inverted mode.

2. The improved stator armature on an electromagnetic coil as set forth in claim 1, wherein: the novel winding reel is characterized in that a heat dissipation part (5) is arranged in the winding reel (1), the heat dissipation part (5) comprises an inner column (51) and an outer column (52), the outer side wall of the outer column (52) is attached to the inner side wall of the winding reel (1), and a connecting sheet (53) is connected between the inner column (51) and the outer column (52).

3. The improved stator armature on an electromagnetic coil as set forth in claim 2, wherein: the inner column (51) is provided with a middle through hole (511), and a magnetic conduction rod is arranged in the middle through hole (511).

4. The improved stator armature on an electromagnetic coil as set forth in claim 1, wherein: a plurality of wire clamping grooves (12) are arranged on the peripheral wall of the winding drum (1) at intervals along the axis direction, the wire clamping grooves (12) are of a trapezoid structure with small inner ends and large outer ends, and the radiating holes (11) are formed in the bottoms of the wire clamping grooves (12).

5. The improved stator armature on an electromagnetic coil as set forth in claim 1, wherein: the upper stop lever (21) and the lower stop lever (22) are spirally connected to the winding reel (1).