CN215377178U

CN215377178U - Large-current high-frequency hollow inductor

Info

Publication number: CN215377178U
Application number: CN202121817899.8U
Authority: CN
Inventors: 程林林; 盖忠伟; 魏彦; 王俊炎
Original assignee: Wuhan Hangjiu Electric Co ltd
Current assignee: Wuhan Hangjiu Electric Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-31
Anticipated expiration: 2031-08-05

Abstract

The utility model provides a high-current high-frequency hollow inductor which comprises a core plate, paired baffles, wires and wiring noses, wherein the paired baffles are respectively provided with adjusting grooves which are uniformly distributed along the circumferential direction and are arranged in a divergent manner, two end parts of the core plate are respectively provided with clamping joints, the clamping joints are respectively provided with grooves, the core plate is respectively inserted into the adjusting grooves of the paired baffles through the clamping joints and is embedded on the paired baffles through the grooves, the wiring noses are fixedly arranged on the baffles, the wires are wound on the outer side of the core plate, the two end parts of the wires are respectively electrically connected with the wiring noses, and the paired baffles are respectively provided with a central hole. The wires are wound on the outer side of the core plates, and intervals exist between the core plates, so that a good heat dissipation effect is achieved. The core plate is inserted into different adjusting grooves through the clamping joints, so that the winding diameter of the lead can be adjusted, and the winding requirements of the lead with different diameters of the hollow inductance coil are well met.

Description

Large-current high-frequency hollow inductor

Technical Field

The utility model relates to the technical field of inductors, in particular to the technical field of hollow-core inductors.

Background

The hollow inductor has no magnetic core, so that the structure form and the overall dimension of the hollow inductor are very flexible, and the hollow inductor is generally designed according to the use occasions, the space layout, the installation and the wiring mode. In the high frequency case, because of the influence of skin effect, the wire of air core inductance coil should be selected to be stranded wire, but in the heavy current case, the external diameter of wire is thick, and the lap winding of multilayer coil is difficult, for example: the number of turns of each layer of winding is less than that of the lower layer of winding, the pyramid shape is formed, when the coil is wound tightly, the number of turns of the two ends of the lower layer can be separated, and binding bands are added to the head and tail turns of each layer if necessary, so that the working time is spent, and the winding efficiency is low. In order to solve the above problems, a common solution at present is to use an epoxy i-shaped cylinder as a coil frame of an air-core inductor, however, the coil frame with such a structure has a non-ideal heat dissipation effect, and the diameter of one coil frame is fixed, which can only meet the winding requirement of the wire of the air-core inductor coil with one diameter.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-current high-frequency hollow inductor, which solves the problems that an epoxy I-shaped cylinder adopted as a coil framework of a hollow inductor in the prior art has poor heat dissipation effect and cannot well meet the winding requirement of hollow inductor coil wires with different diameters.

The technical scheme of the utility model is realized as follows:

the utility model provides a high current high frequency hollow inductance, includes core, mated baffle, wire and connection lug the adjustment tank that arranges along circumference equipartition, and be the form of dispersing is seted up respectively on the mated baffle the both ends of core are equipped with joint head respectively, offer flutedly on the joint head respectively, the core is pegged graft in the adjustment tank of mated baffle through the joint head respectively to nest on mated baffle through the recess, connection lug fixed mounting is on the baffle, the wire winding is in the core outside, and the both ends of wire are connected with the connection lug electricity respectively, have seted up the centre bore on mated baffle respectively.

Furthermore, the core plate and the baffle plate are made of insulating materials.

Furthermore, a fixing hole is formed in the baffle.

The wiring nose is provided with a support plate, a connecting hole is formed in the support plate, the wiring bolt penetrates through the fixing hole of the baffle and the connecting hole of the support plate, and the wiring nut is in threaded connection with the wiring bolt to fixedly connect the support plate and the baffle.

The utility model adopts the technical proposal to achieve the following beneficial effects:

1. the wires are wound on the outer side of the core plates, and intervals exist between the core plates, so that a good heat dissipation effect is achieved.

2. The core plate is inserted into different adjusting grooves on the paired baffles through the clamping joints, so that the winding diameter of the wire can be adjusted, and the wire winding requirements of air-core inductive coils with different diameters are well met.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the present invention shown in FIG. 1 with the conductive lines omitted;

FIG. 3 is a top view of the present invention;

FIG. 4 is a schematic view of a core plate;

fig. 5 is a schematic view of a wire connecting nose.

In the drawings, the parts corresponding to the reference numerals are as follows:

1-core plate, 2-baffle plate, 3-wire, 4-wiring nose, 5-wiring bolt, 6-wiring nut, 7-adjusting groove, 8-clamping joint, 9-groove, 10-center hole, 11-fixing hole, 12-support plate and 13-connecting hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, a high-current high-frequency hollow inductor includes a core board 1, paired baffle plates 2, a wire 3, a wiring lug 4, a wiring bolt 5 and a wiring nut 6, where the paired baffle plates 2 are respectively provided with adjusting slots 7 which are uniformly distributed along the circumferential direction and are arranged in a divergent manner, where the divergent arrangement means that the adjusting slots 7 are arranged in rows in the direction diverging from the center of the baffle plate 2 to the periphery, two end portions of the core board 1 are respectively provided with a clamping head 8, the clamping heads 8 are respectively provided with a groove 9, the core board 1 is respectively inserted into the adjusting slots 7 of the paired baffle plates 2 in a close fit manner through the clamping heads 8 and is nested on the paired baffle plates 2 in a close fit manner through the grooves 9, the wiring lug 4 is fixedly mounted on the baffle plates 2, and the wiring lug 4 and the baffle plates 2 are specifically connected as follows: the baffle plate 2 is provided with a fixing hole 11, the wiring nose 4 is provided with a support plate 12, the support plate 12 is provided with a connecting hole 13, the wiring bolt 5 penetrates through the fixing hole 11 of the baffle plate 2 and the connecting hole 13 of the support plate 12, the wiring nut 6 is in threaded connection with the wiring bolt 5, and the support plate 12 is fixedly connected with the baffle plate 2. The wire 3 is wound on the outer side of the core plate 1, two end parts of the wire 3 are respectively and electrically connected with the wiring noses 4, the paired baffle plates 2 are respectively provided with a center hole 10, and the core plate 1 and the baffle plates 2 are made of insulating materials.

According to the high-current high-frequency hollow inductor, the wires 3 are wound on the outer sides of the core plates 1, the core plates 1 are uniformly distributed in the circumferential direction, and the adjacent core plates 1 are spaced, so that heat generated on the inner sides of the wires 3 can be dissipated from the spaces among the core plates 1, and a good heat dissipation effect is achieved. The core plate 1 is inserted into different adjusting grooves 7 through the clamping joints 8, so that the core plate 1 can form annular arrangement with different diameters, the winding diameter of the lead 3 can be adjusted, and the winding requirements of the lead with different diameters of the hollow inductance coils are well met.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A high-current high-frequency hollow inductor is characterized by comprising a core plate (1), a pair of baffle plates (2), a lead (3) and a connecting nose (4), the paired baffles (2) are respectively provided with regulating grooves (7) which are uniformly distributed along the circumferential direction and are arranged in a divergent way, the two end parts of the core plate (1) are respectively provided with a clamping joint (8), the clamping joints (8) are respectively provided with a groove (9), the core plate (1) is respectively inserted in the adjusting grooves (7) of the paired baffles (2) through the clamping joints (8), and are nested on the baffle plates (2) in pairs through the grooves (9), the wire connecting noses (4) are fixedly arranged on the baffle plates (2), the wire (3) is wound on the outer side of the core plate (1), two end parts of the wire (3) are respectively and electrically connected with the wiring nose (4), and the paired baffles (2) are respectively provided with a central hole (10).

2. A high-current high-frequency air-core inductor according to claim 1, wherein said core (1) and said baffle (2) are made of insulating materials.

3. A large-current high-frequency air-core inductor according to claim 1, characterized in that the baffle (2) is provided with fixing holes (11).

4. A large-current high-frequency air-core inductor according to claim 3, further comprising a wiring bolt (5) and a wiring nut (6), wherein the wiring nose (4) is provided with a support plate (12), the support plate (12) is provided with a connecting hole (13), the wiring bolt (5) is inserted into the fixing hole (11) of the baffle plate (2) and the connecting hole (13) of the support plate (12), and the wiring nut (6) is in threaded connection with the wiring bolt (5) to fixedly connect the support plate (12) and the baffle plate (2).