Split slot type choking coil

Abstract

The utility model discloses a split slot type choking coil, which relates to the technical field of choking coils, and comprises a fixed shell, a coil mounting ring is arranged in the fixed shell, a plurality of groups of coil slots are arranged in the coil mounting ring, a plurality of groups of coils are arranged on the coil mounting ring, the plurality of groups of coils are separated by spacing boards, and the spacing boards are arranged in the coil slots. A second partition plate is arranged in the multiple sets of coil grooves, a first coil and a second coil are arranged on the two sides of the second partition plate respectively, coil baffles are further arranged at the two ends of the coil installation ring, a wire groove is formed in the coil installation ring, and one end of each coil is arranged in the wire groove. According to the utility model, the partition plates are arranged among the coils, so that the device forms intervals among multiple groups of coils, the magnetic coupling degree among the coils can be further reduced, the second partition plates are arranged in the coil grooves, so that intervals are formed in the first coil and the second coil, and the magnetic coupling degree among the coils can be further reduced; and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of choke coils, in particular to a split-slot choke coil. Background Art

[0002] Most choke coils are installed on high-frequency electronic circuit boards or the like for various purposes. The choke coil can be manufactured in various structures according to its intended use.

[0003] In addition, because the Q value of the choke coil rises too high, the choke coil cannot be used alone in a wide frequency band. In order to realize a choke coil that can be used in a wide frequency band from low frequency to microwave frequency band, for example, a resistor or the like was previously connected in the choke coil to ensure that the Q value of the coil is an appropriate value.

[0004] However, recently, with the rapid miniaturization and light weight of electronic devices, it is necessary to install electronic components on the electronic circuit board with higher density.

[0005] Under the demand for increasing the installation density, when the above-mentioned traditional choke coils are installed on the electronic circuit board, multiple choke coils will be densely arranged in a straight line or in a form of circuit series. At this time, due to the leakage flux (magnetic flux near both ends of the choke coil) between the choke coils, magnetic coupling occurs between the choke coils, which will shift the resonance frequency to the low-frequency end and prevent the choke coil from performing its intended function. Therefore, the utility model proposes a split-slot choke coil here. Summary of the Invention

[0006] The purpose of the utility model is to make up for the deficiencies of the prior art and provide a split-slot choke coil.

[0007] To achieve the above purpose, the utility model provides the following technical solution: a split-slot choke coil, including a fixed shell, a coil mounting ring is arranged inside the fixed shell, a plurality of coil slots are arranged inside the coil mounting ring, and a plurality of coils are arranged on the coil mounting ring. The plurality of coils are separated by a spacer plate, a second spacer plate is arranged inside the plurality of coil slots, a first coil and a second coil are respectively arranged on both sides of the second spacer plate. By arranging a partition plate between the coils, the device forms a gap between the plurality of coils, thereby reducing the degree of magnetic coupling between the coils. By arranging a second spacer plate inside the coil slot, a gap is formed between the first coil and the second coil, which can further reduce the degree of magnetic coupling between the coils and improve the practicability of the device.

[0008] Preferably, coil baffles are further arranged at both ends of the coil mounting ring.

[0009] Preferably, a wire groove is provided in the coil mounting ring, and one end of the coil is arranged in the wire groove.

[0010] Preferably, a cavity for mounting the coil mounting ring is provided inside the fixed shell.

[0011] Preferably, a clamping groove is provided inside the fixed shell, and docking heads are arranged at both ends of the coil mounting ring. The docking heads are adapted to the clamping groove, and the docking heads are clamped inside the clamping groove.

[0012] Compared with the prior art, the split-slot choke coil has the following beneficial effects:

[0013] By arranging a partition between the coils in the present utility model, intervals are formed between multiple groups of coils in the device, thereby reducing the degree of magnetic coupling between the coils. By arranging a second partition inside the coil slot, intervals are formed between the first coil and the second coil, which can further reduce the degree of magnetic coupling between the coils and improve the practicability of the device. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 It is a schematic structural diagram of the present utility model.

[0016] Figure 2 It is a schematic structural diagram of the coil mounting ring of the present utility model.

[0017] Figure 3 It is a schematic structural diagram of the fixed shell of the present utility model.

[0018] In the figure:

[0019] 1. Fixed shell; 2. Coil mounting ring; 3. Coil; 4. Partition; 5. Second partition; 6. Coil baffle; 101. Clamping groove; 201. Coil slot; 301. First coil; 302. Second coil; 601. Wire groove. Detailed Embodiments

[0020] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0021] Please refer to Figures 1 to 3 As shown, the present invention provides a technical solution: a split-type choke coil, which includes a fixed shell 1. Inside the fixed shell 1, there is a coil mounting ring 2. Inside the coil mounting ring 2, there are multiple groups of coil slots 201. And on the coil mounting ring 2, there are multiple groups of coils 3. The multiple groups of coils 3 are separated by a spacer 4. Inside the multiple groups of coil slots 201, there is a second spacer 5. On both sides of the second spacer 5, there are a first coil 301 and a second coil 302 respectively. By arranging the spacer 4 between the coils in the present invention, an interval is formed between the multiple groups of coils in the device, thereby reducing the degree of magnetic coupling between the coils. By arranging the second spacer 5 inside the coil slot 201, an interval is formed between the first coil 301 and the second coil 302, which can further reduce the degree of magnetic coupling between the coils and improve the practicability of the device.

[0022] Please particularly refer to Figure 1 , and at both ends of the coil mounting ring 2, there are also coil baffles 6. There are wire grooves 601 in the coil mounting ring 2. One end of the coil 3 is arranged in the wire groove 601.

[0023] Please particularly refer to Figure 2 and Figure 3 , inside the fixed shell 1, there is a cavity for installing the coil mounting ring 2. Inside the fixed shell 1, there are card slots 101. At both ends of the coil mounting ring 2, there are docking heads, and the docking heads are adapted to the card slots 101. The docking heads are snapped inside the card slots 101.

[0024] Working principle: By arranging the spacer 4 between the coils in the present invention, an interval is formed between the multiple groups of coils in the device, thereby reducing the degree of magnetic coupling between the coils. By arranging the second spacer 5 inside the coil slot 201, an interval is formed between the first coil 301 and the second coil 302, which can further reduce the degree of magnetic coupling between the coils and improve the practicability of the device.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirits of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A split slot choke coil, comprising a fixed shell (1), characterized in that: A coil mounting ring (2) is arranged inside the fixed shell (1), a plurality of groups of coil slots (201) are arranged inside the coil mounting ring (2), and a plurality of groups of coils (3) are arranged on the coil mounting ring (2), the plurality of groups of coils (3) are separated by a spacing plate (4), a second spacing plate (5) is arranged inside the plurality of groups of coil slots (201), and a first coil (301) and a second coil (302) are arranged on both sides of the second spacing plate (5), respectively.

2. A split slot choke coil according to claim 1, characterized in that: Coil baffles (6) are also provided at both ends of the coil mounting ring (2).

3. A split slot choke coil according to claim 1, characterized in that: A wire groove (601) is provided in the coil mounting ring (2), and one end of the coil (3) is provided in the wire groove (601).

4. A split slot choke coil according to claim 1, characterized in that: A cavity for mounting a coil mounting ring (2) is provided inside the fixing shell (1).

5. A split slot choke coil according to claim 1, characterized in that: The interior of the fixed shell (1) is provided with a slot (101), and both ends of the coil mounting ring (2) are provided with docking joints, which are adapted to the slot (101), and the docking joints are clamped inside the slot (101).

Images