Integrally-formed double-choke inductor

Abstract

The utility model relates to the technical field of inductors, in particular to an integrally formed double-choke inductor, which comprises two groups of bases, two groups of double-choke inductors and two groups of double-choke inductors, the coil is wound in a hollow shape and arranged on the peripheral face of the middle column in a sleeving mode, the lead wires extend out of the two ends of a coil body respectively, and the lead wires are bent to one side of the lower end face of the base; the shell wraps the coil and exposes the bases and the leads, the two middle columns are sleeved with the coil wound to be hollow, the two leads of the coil are bent to the lower end faces of the bases, and the two bases are assembled and connected through the connecting assembly, so that rapid butt joint installation is facilitated, the installation efficiency and the butt joint accuracy are improved, manpower and material resources are saved, and the production efficiency is improved. According to the integrated double inductor, the two base coils can be conveniently subjected to hot pressing to form the integrated double inductor, the production efficiency is high, the integrated double inductor is convenient to save space, and the filtering performance is more stable.

Description

Technical Field

[0001] The utility model belongs to the technical field of inductors, and particularly relates to an integrally formed dual choke inductor. Background Technique

[0002] An inductor is one of the most common components in electronic devices and is also an important component in a circuit. It is widely used in various circuits and can achieve functions such as filtering, energy storage, matching, and resonance.

[0003] With the overall improvement of the technological level, as the hardware foundation of various technologies, various intelligent electrical devices are frequently updated. Taking the big data cloud server device, which is indispensable in the current Internet and Internet of Things fields, as an example.

[0004] Due to the continuous iteration of various technologies and the increasing computing requirements, in order to meet the actual application needs, the design and manufacture of such cloud server devices have gradually started to develop in the direction of complexity and integration. This requires designers to fully consider the rational use of the internal space of the device at the beginning of the design, and at the same time, it is necessary to ensure that the power inductors used in the device have good shielding performance and do not interfere with the normal operation of other electrical components under the premise of the close arrangement of various components inside the device.

[0005] Similarly, due to the above-mentioned technological development needs, the requirements for the power inductors used in cloud server devices are becoming increasingly stringent, including high frequency, low DCR (DC resistance), large current, low EMI (electromagnetic interference), high reliability, etc. Constrained by the above requirements, various defects of the existing inductors have gradually emerged.

[0006] First of all, most of the power inductor devices in the prior art are of a single-winding and independent structure. Such a structure has too high a space occupancy rate. In the development trend of miniaturization and intensification of electronic devices, the excessive volume and high space occupancy rate seriously restrict the overall layout of the circuit and affect the simplified design of the circuit. Therefore, an integrally formed dual choke inductor is needed to solve the above problems. Content of the Utility Model

[0007] To solve the above technical problems, the utility model provides an integrally formed dual choke inductor to solve the problems in the existing market mentioned in the above background technique.

[0008] To achieve the above purpose, the technical solution of the utility model is as follows:

[0009] The integrally formed dual choke inductor includes:

[0010] A base, including a middle column integrally formed with the base, and the base is provided with two groups connected by a connection component;

[0011] A coil, wound into a hollow shape and sleeved on the outer peripheral surface of the middle column, and also includes lead wires extending from both ends of the coil body, the lead wires are bent to one side of the lower end surface of the base;

[0012] A shell covers the coil and exposes the base and the lead wire.

[0013] Through the above technical scheme, the coils wound into a hollow shape are respectively put on the two middle columns, the two leads of the coils are bent on the lower end surface of the base, and the two bases are assembled and connected through a connecting component, which is beneficial to quick docking and installation, improves installation efficiency and docking accuracy, and saves manpower and material resources. The shell is used to cover the coil and is integrally formed with the base. The present application facilitates hot pressing of the two base coils into an integrally formed dual inductor, has high production efficiency, and the integrally formed dual inductor is convenient for saving space and has more stable filtering performance.

[0014] As a preferred solution of the utility model, a connecting plate is installed on one side of the base, and a mounting plate is installed on the other side of the base, and the side lengths of the connecting plate and the mounting plate close to the base are both smaller than the side length of the base.

[0015] Through the above technical solution, the mounting plate is adapted to the connecting plate.

[0016] As a preferred embodiment of the present invention, the base includes a bottom plate 1 and a bottom plate 2 connected to the bottom plate 1, a connecting plate 1 is provided on one side of the bottom plate 1, and the connecting plate 1 is connected to a connecting plate 2 provided on a side of the bottom plate 2.

[0017] As a preferred solution of the utility model, the connection assembly includes a connection block provided on the connection plate 1, and a connection groove provided on the connection plate 2, and the connection block is adapted to the connection groove.

[0018] Through the above technical solution, the connecting groove is trapezoidal.

[0019] As a preferred solution of the utility model, the lead wire is located on one side of the coil, and the lead wires of the two coils are led out in opposite directions.

[0020] The above technical solution can easily prevent the leads of the two coils from sticking to each other and affecting the use effect of the inductor.

[0021] As a preferred solution of the utility model, the length of the lead bent to the lower end surface of the base is 1 / 3 of the side length of the base.

[0022] Through the above technical solution, the length of the bent lead is 1 / 3 of the side length of the base, which is beneficial to avoid the lead being too long to cause an inductor short circuit, and is also beneficial to avoid the lead being too short to affect subsequent welding.

[0023] As a preferred solution of the present utility model, the coil is one of a circular coil and a flat coil.

[0024] As a preferred solution of the present utility model, the side edges of the first base and the second base away from the connection side have a notch, and the two leads of the coil are arranged at two adjacent notches on one side.

[0025] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0026] The coil wound into a hollow shape is respectively sleeved on two middle columns, the two leads of the coil are bent on the lower end surface of the base, and the two bases are assembled and connected through a connection component, which is beneficial to quick docking and installation, improves the installation efficiency and docking accuracy, saves manpower and material resources. The housing is used to cover the coil and is integrally formed with the base. This application facilitates hot pressing the two base coils into an integrally formed double inductor. The production efficiency is high, the integrally formed double inductor is convenient for saving space, and the filtering performance is more stable. Description of the Drawings

[0027] 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 use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are 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.

[0028] Figure 1 It is a schematic structural diagram of the integrally formed double choke inductor of the present utility model;

[0029] Figure 2 It is the Figure 1 top view of the present utility model;

[0030] Figure 3 It is the Figure 1 partial structural diagram in the present utility model;

[0031] Figure 4 It is the Figure 1 partial structural diagram in the present utility model. Detailed Embodiments

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the protection scope of the present utility model.

[0033] The present utility model provides the following embodiments:

[0034] An integrally formed dual choke inductor, comprising: a base 1, including a middle column 3 integrally formed with the base 1, a connecting plate 13 is installed on one side of the base 1, and a mounting plate 14 is installed on the other side of the base 1. The lengths of the sides of the connecting plate 13 and the mounting plate 14 close to the base 1 are both smaller than the side length of the base 1, and the mounting plate 14 is adapted to the connecting plate 13. The base 1 is provided with two groups connected by a connecting component 16; a coil 4, wound in a hollow shape and sleeved on the outer peripheral surface of the middle column 3, and further including leads 31 respectively extending from both ends of the coil 4 body, and the leads 31 are bent to one side of the lower end surface of the base 1; a housing 2, the housing 2 covers the coil 4 and exposes the base 1 and the leads 31.

[0035] As a further improvement of the present utility model, the base 1 includes a first bottom plate 11 and a second bottom plate 12 connected to the first bottom plate 11. A first connecting plate 131 is provided on one side of the first bottom plate 11, and the first connecting plate 131 is connected to a second connecting plate 132 provided on the side of the second bottom plate 12. The connecting component 16 includes a connecting block 161 provided on the first connecting plate 131 and a connecting groove 162 provided on the second connecting plate 132. The connecting block 161 is adapted to the connecting groove 162, and the connecting groove 162 is trapezoidal.

[0036] As a further improvement of the present utility model, the leads 31 are located on one side of the coil 4, and the lead-out directions of the leads 31 of the two coils 4 are opposite, which is convenient for avoiding the connection of the leads 31 of the two coils 4 and affecting the use effect of the inductor. The length of the part where the leads 31 are bent to the lower end surface of the base 1 is 1 / 3 of the side length of the base 1, and the bent length of the leads 31 is 1 / 3 of the side length of the base 1, which is beneficial to avoiding short circuit of the inductor caused by too long leads 31 and also beneficial to avoiding the influence on subsequent welding due to too short leads 31. The coil 4 is one of a circular coil 4 and a flat coil 4.

[0037] As a further improvement of the present utility model, the corners of the sides of the first base 1 and the second base 1 away from the connection side both have a notch 15, and the two leads 31 of the coil 4 are arranged at two adjacent notches 15 on one side.

[0038] The coils 4 wound in a hollow shape are respectively sleeved on the two middle columns 3, the two leads 31 of the coils 4 are bent on the lower end surface of the base 1, and the two bases 1 are assembled and connected through the connecting component 16, which is beneficial to quick docking installation, improving the installation efficiency and docking accuracy, saving manpower and material resources. The housing 2 is used to cover the coil 4 and is integrally formed with the base 1. This application is convenient for thermally pressing the two bases 1 and the coils 4 into an integrally formed dual inductor, with high production efficiency. The integrally formed dual inductor is convenient for saving space, has more stable filtering performance, reduces complex production processes and techniques, and can better serve and develop the market.

[0039] The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present utility model. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model. Therefore, the present utility model will not be limited to the embodiments shown herein, but rather to the broadest scope consistent with the principles and novel features disclosed herein.

Claims

1. One-piece double choke inductor, characterized in that , including: A base (1), including a middle column (3) integrally formed with the base (1). There are two sets of the bases (1), and the two sets of bases (1) are connected by a connecting component (16); A coil (4), wound into a hollow shape and sleeved on the outer peripheral surface of the middle column (3). It also includes leads (31) respectively extending from both ends of the coil (4) body, and the leads (31) are bent to one side of the lower end surface of the base (1); A housing (2), which covers the coil (4) and exposes the base (1) and the leads (31).

2. The one-piece double choke inductor according to claim 1, characterized in that, A connecting plate (13) is installed on one side of the base (1), and a mounting plate (14) is installed on the other side of the base (1). The lengths of the sides of the connecting plate (13) and the mounting plate (14) close to the base (1) are both smaller than the side length of the base (1).

3. The one-piece double choke inductor according to claim 2, wherein The base (1) includes a first bottom plate (11) and a second bottom plate (12) connected to the first bottom plate (11). A first connecting plate (13) is provided on one side of the first bottom plate (11), and the first connecting plate (13) is connected to a second connecting plate (13) provided on the side of the second bottom plate (12).

4. The one-piece double choke inductor according to claim 3, wherein The connecting component (16) includes a connecting block (161) provided on the first connecting plate (13) and a connecting groove (162) provided on the second connecting plate (13), and the connecting block (161) is adapted to the connecting groove (162).

5. The one-piece double choke inductor according to claim 4, wherein The leads (31) are located on one side of the coil (4), and the leading-out directions of the leads (31) of the two coils (4) are opposite.

6. The one-piece dual choke inductor according to claim 4, wherein The length of the part where the lead (31) is bent to the lower end surface of the base (1) is 1 / 3 of the side length of the base (1).

7. The one-piece double choke inductor according to claim 6, wherein, The coil (4) is one of a circular coil and a flat coil.

8. The one-piece dual choke inductor according to claim 7, characterized in that, Both side edges and corners of the first base (1) and the second base (1) far from the connection side have a notch (15), and the two leads (31) of the coil (4) are provided at two adjacent notches (15) on one side.

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