Integrated inversion inductor

Abstract

The utility model relates to an integrated inversion inductor which comprises a sealing shell and an inductor assembly arranged in the sealing shell, the inductor assembly comprises a coil, a first magnetic core body, a second magnetic core body, a first sheath and a second sheath, and the coil comprises two installation holes formed in a surrounding mode and a connecting leading-out end. Magnetic core columns are arranged on the first magnetic core body and the second magnetic core body, the first protective sleeve covers the first magnetic core body, the second protective sleeve covers the second magnetic core body, and the first protective sleeve and the second protective sleeve are connected through a connecting plug-in. According to the integrated inversion inductor, one or more coils are fixed through the magnetic core columns on the first magnetic core body and the second magnetic core body, the coils, the first magnetic core body and the second magnetic core body are fixedly assembled from the upper end and the lower end through the first sheath and the second sheath, integration of multiple inductors is achieved, and the size of the integrated inversion inductor is small; the integrated inverter inductor is simple in structure and meets the requirements of integration and miniaturization of electronic products.

Description

Technical Field

[0001] The present application relates to the technical field of inductors, and in particular to an integrated inverter inductor. Background Art

[0002] At present, power electronic equipment has increasingly stringent requirements on the performance of components. With the development of society, there are higher product demands for power electronic equipment. At the same time, the pursuit of more and more integration and miniaturization of power electronic equipment has effectively promoted the development of components along with the power electronics industry. At the same time, it has also brought high-speed development opportunities to the component-high-frequency transformer / inductor manufacturing industry, which has broad prospects.

[0003] When producing and winding power electronic devices such as miniaturized, high-current inverter inductors, the wire diameter used is relatively thick due to the large current, which takes up space, resulting in the finished product size exceeding the limit and limited product structure space. There are restrictions on the volume of inductors, and the current structure of inverter inductors cannot be automated or mass-produced, and cannot meet the power electronics industry's demand for inductor production capacity. Utility Model Content

[0004] The embodiment of the present application provides an integrated inverter inductor, which is used to solve the technical problems that the existing inverter inductor has a complex structure, occupies a large space, and cannot meet the requirements of integration and miniaturization.

[0005] In order to achieve the above objectives, the embodiments of the present application provide the following technical solutions:

[0006] On the one hand, an integrated inverter inductor is provided, comprising a sealed shell and an inductor component built into the sealed shell, the inductor component comprising a coil, a first magnetic core body, a second magnetic core body, a first sheath and a second sheath, the coil comprising two mounting holes and a connecting lead-out terminal formed by surrounding, the first magnetic core body and the second magnetic core body are provided with magnetic core columns matching the shape and number of the mounting holes, the upper end of the mounting hole of the coil is sleeved on the magnetic core column of the first magnetic core body, and the lower end of the mounting hole of the coil is sleeved on the magnetic core column of the second magnetic core body, the first sheath covers the first magnetic core body, and the second sheath covers the second magnetic core body, the first sheath and the second sheath are connected by a connecting plug-in and fix the coil, the first magnetic core body and the second magnetic core body to be assembled.

[0007] Preferably, a spacer is provided between the magnetic core column and the coil, and a sleeve matching the magnetic core column is provided on the spacer.

[0008] Preferably, both sides of the first sheath and the second sheath are provided with plug holes for plugging and connecting with the connecting plug.

[0009] Preferably, the first protective cover and the second protective cover are both provided with a plurality of mesh holes for heat dissipation and ventilation.

[0010] Preferably, the sealing shell is made of aluminum material, and includes a potting shell having an inner cavity for accommodating the inductor component and a sealing plate covering the potting shell, the sealing plate abuts against the first sheath, and the sealing plate is fixedly connected to the potting shell and the first sheath through a seal.

[0011] Preferably, the potting shell is provided with a groove for matching and mounting with the second sheath.

[0012] Preferably, a terminal connector is installed on the connection lead-out end, and the terminal connector is exposed outside the sealing shell and installed on the protective member.

[0013] Preferably, the protective member is fixed to the sealing plate of the sealing shell through a sealing member, a first mounting connection hole matching the terminal connector is provided on the protective member, and a second mounting connection hole is also provided on the protective member.

[0014] Preferably, the protective member comprises a first U-shaped plate and a second U-shaped plate, a plug-in protrudes from the first U-shaped plate, and a slot matching the plug-in is formed on the second U-shaped plate.

[0015] Preferably, the inductor assembly includes two coils, and corresponding to all the coils, the first magnetic core body and the second magnetic core body are each provided with four magnetic core columns matching the shape of the mounting holes.

[0016] It can be seen from the above technical scheme that the embodiment of the present application has the following advantages: the integrated inverter inductor includes a sealed shell and an inductor component built into the sealed shell, the inductor component includes a coil, a first magnetic core body, a second magnetic core body, a first sheath and a second sheath, the coil includes two mounting holes and a connecting lead-out terminal formed by surrounding, the first magnetic core body and the second magnetic core body are provided with magnetic core columns matching the shape and number of the mounting holes, the upper end of the mounting hole of the coil is sleeved on the magnetic core column of the first magnetic core body, and the lower end of the mounting hole of the coil is sleeved on the magnetic core column of the second magnetic core body, the first sheath covers the first magnetic core body, and the second sheath covers the second magnetic core body, the first sheath and the second sheath are connected by a connecting plug-in and fix the coil, the first magnetic core body and the second magnetic core body. The integrated inverter inductor fixes one or more coils through the magnetic core columns on the first magnetic core body and the second magnetic core body, and fixes and assembles the coils, the first magnetic core body and the second magnetic core body from the upper and lower ends through the first sheath and the second sheath, thereby realizing the integration of multiple inductors and making them small in size; the integrated inverter inductor has a simple structure, meets the requirements of integration and miniaturization of electronic products, and solves the technical problems of the existing inverter inductors that have complex structures, occupy a large space, and cannot meet the requirements of integration and miniaturization. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] Figure 1 This is a schematic diagram of the structure of the integrated inverter inductor described in the embodiment of the present application;

[0019] Figure 2 This is a schematic diagram of the decomposed structure of the integrated inverter inductor described in an embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to make the purpose, features, and advantages of the invention of this application more obvious and easy to understand, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the drawings in the embodiments of this application. Obviously, the embodiments described below are only part of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0021] In the description of the embodiments of the present application, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0022] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. 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 application, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0023] In the embodiments of the present application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0024] The embodiment of the present application provides an integrated inverter inductor, which is used to solve the technical problems that the existing inverter inductor has a complex structure, occupies a large space, and cannot meet the requirements of integration and miniaturization.

[0025] Embodiment 1:

[0026] Figure 1 is a schematic diagram of the structure of the integrated inverter inductor described in the embodiment of the present application, Figure 2 This is a schematic diagram of the decomposed structure of the integrated inverter inductor described in an embodiment of the present application.

[0027] like Figure 1 and Figure 2As shown, an embodiment of the present application provides an integrated inverter inductor, including a sealed shell and an inductor component built into the sealed shell, the inductor component including a coil 10, a first magnetic core body 20, a second magnetic core body 30, a first sheath 40 and a second sheath 50, the coil 10 includes two mounting holes 11 and a connecting lead-out terminal 12 formed by surrounding, the first magnetic core body 20 and the second magnetic core body 30 are provided with a magnetic core column 60 matching the shape and number of the mounting holes 11, the upper end of the mounting hole 11 of the coil 10 is sleeved on the magnetic core column 60 of the first magnetic core body 20, and the lower end of the mounting hole 11 of the coil 10 is sleeved on the magnetic core column 60 of the second magnetic core body 30, the first sheath 40 covers the first magnetic core body 20, and the second sheath 50 covers the second magnetic core body 30, the first sheath 40 and the second sheath 50 are connected by a connecting plug-in 70 and fix the coil 10, the first magnetic core body 20 and the second magnetic core body 30.

[0028] It should be noted that the shape of the magnetic core column 60 matches the shape of the mounting hole 11, and can be rectangular, or can be a runway shape, an elliptical shape, etc. The connecting plug 70 can be selected as a plug. In this embodiment, the inductor assembly includes two coils 10, and corresponding to all coils 10, the first magnetic core body 20 and the second magnetic core body 30 are each provided with four magnetic core columns 60 that match the shape of the mounting hole 11. Compared with the existing inductor structure that is limited by space when two inverter inductors are required, the integrated inverter inductor installs two independently connected coils 10 in the first magnetic core body 20 and the second magnetic core body 30 of a structure to achieve an integrated inductor. Four square magnetic core columns 60 are designed on the first magnetic core body 20 and the second magnetic core body 30, and two magnetic core columns 60 form a loop inductor, which can be equipped with two coils 10 to become two inductors, so that the integrated inverter inductor integrates two independent coils 10. The first magnetic core body 20 and the second magnetic core body 30 are fixed by fastening and fixing the upper and lower first sheaths 40 and the second sheaths 50 and the connecting plug-in 70 .

[0029] In an embodiment of the present application, the integrated inverter inductor can fix one or more coils through the magnetic core columns on the first magnetic core body and the second magnetic core body, and fix and assemble the coils, the first magnetic core body and the second magnetic core body from the upper and lower ends through the first sheath and the second sheath to achieve the integration of multiple inductors.

[0030] It should be noted that the integrated inverter inductor can be designed with the number of coils according to user needs. The structure of the integrated inverter inductor reduces the volume of the product, which is conducive to the integration of multiple inductors in the same module. At the same time, it can popularize the structure and assembly device of automated production, and cooperate with automatic winding machines and other equipment to realize the automatic production of the integrated inverter inductor, so as to improve the production efficiency of the integrated inverter inductor product, reduce costs, save energy, and achieve sustainable development.

[0031] The present application provides an integrated inverter inductor, comprising a sealed shell and an inductor component built into the sealed shell, wherein the inductor component comprises a coil, a first magnetic core body, a second magnetic core body, a first sheath and a second sheath, wherein the coil comprises two mounting holes and a connecting lead-out terminal formed by surrounding, the first magnetic core body and the second magnetic core body are provided with magnetic core columns matching the shape and number of the mounting holes, the upper end of the mounting hole of the coil is sleeved on the magnetic core column of the first magnetic core body, and the lower end of the mounting hole of the coil is sleeved on the magnetic core column of the second magnetic core body, the first sheath covers the first magnetic core body, and the second sheath covers the second magnetic core body, the first sheath and the second sheath are connected by a connecting plug-in and fix the coil, the first magnetic core body and the second magnetic core body to be assembled. The integrated inverter inductor fixes one or more coils through the magnetic core columns on the first magnetic core body and the second magnetic core body, and fixes and assembles the coils, the first magnetic core body and the second magnetic core body from the upper and lower ends through the first sheath and the second sheath, thereby realizing the integration of multiple inductors and making them small in size; the integrated inverter inductor has a simple structure, meets the requirements of integration and miniaturization of electronic products, and solves the technical problems of the existing inverter inductors that have complex structures, occupy a large space, and cannot meet the requirements of integration and miniaturization.

[0032] like Figure 2 As shown, in one embodiment of the present application, a spacer 80 is disposed between the magnetic core column 60 and the coil 10 , and a sleeve 81 matching the magnetic core column 60 is formed on the spacer 80 .

[0033] It should be noted that the isolating member 80 is used to isolate the magnetic core column 60 from direct contact with the coil 10, thereby ensuring the electrical distance between the magnetic core column 60 and the coil 10. In this embodiment, two isolating members 80 are sleeved between the first magnetic core body 20 and the coil 10, and two sleeves 81 are disposed on each isolating member 80. Similarly, two isolating members 80 are also sleeved between the second magnetic core body 30 and the coil 10, and two sleeves 81 are disposed on each isolating member 80.

[0034] like Figure 2 As shown, in one embodiment of the present application, both sides of the first sheath 40 and the second sheath 50 are provided with plug holes 101 for plugging and connecting with the connecting plug 70 .

[0035] It should be noted that one end of the connecting plug-in 70 is inserted into the plug-in hole 101 of the first sheath 40, and the other end of the connecting plug-in 70 is inserted into the plug-in hole 101 of the second sheath 50, so that the integrated inverter inductor is fixedly assembled with the coil, the first magnetic core body and the second magnetic core body through the sheath and the connecting plug-in 70.

[0036] like Figure 2As shown, in one embodiment of the present application, the first sheath 40 and the second sheath 50 are both provided with a plurality of mesh holes 102 for heat dissipation and ventilation.

[0037] It should be noted that the mesh 102 facilitates the heat dissipation in the coil 10 , the first magnetic core body 20 and the second magnetic core body 30 .

[0038] like Figure 1 and Figure 2 As shown, in one embodiment of the present application, the sealing shell is made of aluminum material, and the sealing shell includes a potting shell 103 having an inner cavity for accommodating the inductor component and a sealing plate 104 covering the potting shell 103, the sealing plate 104 abuts against the first sheath 40, and the sealing plate 104 is fixedly connected to the potting shell 103 and the first sheath 104 through a seal.

[0039] It should be noted that the sealing shell made of aluminum material is convenient for heat dissipation. The seal can be made of sticky glue, or an object with sealing and connecting component properties. In the present embodiment, the seal is glue, and the first sheath 40 is fixedly connected to the bottom end surface of the sealing plate 104 by the viscosity of the glue, and the bottom end surface of the sealing plate 104 is fixedly connected to the periphery of the potting shell 103 by the viscosity of the glue. Among them, a wavy curve is set on the surface of the outer shell of the potting shell 103, which is convenient for the airflow to quickly take away the heat, so that the heat on the sealing shell can be dissipated more quickly, which is convenient for reducing the cumbersome processes in the manufacturing process of the integrated inverter inductor, and the operability is strong, making it easier for the integrated inverter inductor to realize automatic mass production.

[0040] like Figure 2 As shown, in one embodiment of the present application, each sleeve 81 is also provided with a plurality of mesh holes.

[0041] It should be noted that the integrated inverter inductor is provided with mesh holes through the sheath and the sleeve, so that during the manufacturing process of the integrated inverter inductor, the glue flows when the integrated inverter inductor is potted, so that the integrated inverter inductor is covered with glue, and the heat of the integrated inverter inductor can be better conducted to the potting shell 103, which is convenient for the heat dissipation of the inductor component.

[0042] like Figure 2 As shown, in one embodiment of the present application, a groove 105 for matching and mounting with the second sheath 50 is formed on the potting shell 103 .

[0043] It should be noted that the shape and size of the groove 105 are set according to the second sheath 50, which means that the shape and size of the groove 105 are consistent with the shape and size of the second sheath 50, so that when the second sheath 50 is installed in the groove 105, it is convenient to position and install the inductor component.

[0044] like Figure 1 and Figure 2 As shown, in one embodiment of the present application, a terminal connector 13 is installed on the connection lead-out terminal 12, and the terminal connector 13 is exposed outside the sealed shell and installed on the protective member 90. The protective member 90 is fixed to the sealing plate 104 of the sealed shell through a seal, and a first mounting connection hole 91 matching the terminal connector 13 is provided on the protective member 90, and a second mounting connection hole 92 is also provided on the protective member 90. The protective member 90 includes a first U-shaped plate 93 and a second U-shaped plate 94, and a plug-in 95 protrudes from the first U-shaped plate 93, and a slot 96 matching the plug-in 95 is provided on the second U-shaped plate 94.

[0045] It should be noted that the design of the second mounting connection hole 92 facilitates the fixed connection of the integrated inverter inductor with other components. The protective member 90 is composed of a first U-shaped plate 93 and a second U-shaped plate 94, which facilitates the installation of the protective member 90. In this embodiment, the terminal connector 13 is exposed outside the sealed shell and is arranged on the first mounting connection hole 91, which facilitates the external connection of the integrated inverter inductor. Among them, the terminal connector 13 is sleeved and fixed on the connection lead-out terminal 12.

[0046] Those skilled in the art can clearly understand that, for the convenience and brevity of description, the specific working processes of the systems, devices and units described above can refer to the corresponding processes in the aforementioned method embodiments and will not be repeated here.

[0047] In the several embodiments provided in the present application, it should be understood that the disclosed systems, devices and methods can be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

[0048] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, and may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0049] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0050] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. An integrated inverter inductor, characterized in that: It includes a sealed shell and an inductor component built into the sealed shell, the inductor component includes a coil, a first magnetic core body, a second magnetic core body, a first sheath and a second sheath, the coil includes two mounting holes and a connecting lead-out terminal formed by surrounding, the first magnetic core body and the second magnetic core body are provided with magnetic core columns matching the shape and number of the mounting holes, the upper end of the mounting hole of the coil is sleeved on the magnetic core column of the first magnetic core body, and the lower end of the mounting hole of the coil is sleeved on the magnetic core column of the second magnetic core body, the first sheath covers the first magnetic core body, and the second sheath covers the second magnetic core body, the first sheath and the second sheath are connected by a connecting plug-in and fix the coil, the first magnetic core body and the second magnetic core body to be assembled.

2. The integrated inverter inductor according to claim 1, characterized in that: An isolating piece is arranged between the magnetic core column and the coil, and a sleeve matching the magnetic core column is provided on the isolating piece.

3. The integrated inverter inductor according to claim 1, characterized in that: Both sides of the first sheath and the second sheath are provided with plugging holes for plugging and connecting with the connecting plug-in.

4. The integrated inverter inductor according to claim 1, characterized in that: The first protective cover and the second protective cover are both provided with a plurality of mesh holes for heat dissipation and ventilation.

5. The integrated inverter inductor according to claim 1, characterized in that: The sealing shell is made of aluminum material, and includes a potting shell having an inner cavity for accommodating the inductor component and a sealing plate covering the potting shell, the sealing plate abuts against the first sheath, and the sealing plate is fixedly connected to the potting shell and the first sheath through a seal.

6. The integrated inverter inductor according to claim 5, characterized in that: The potting shell is provided with a groove which is matched with the second sheath.

7. The integrated inverter inductor according to claim 1, characterized in that: A terminal connector is installed on the connection lead-out end, and the terminal connector is exposed outside the sealing shell and installed on the protective member.

8. The integrated inverter inductor according to claim 7, characterized in that: The protective member is fixed to the sealing plate of the sealing shell through a sealing member. A first mounting connection hole matching the terminal connector is provided on the protective member. A second mounting connection hole is also provided on the protective member.

9. The integrated inverter inductor according to claim 7, characterized in that: The protective member comprises a first U-shaped plate and a second U-shaped plate, wherein a plug-in protrudes from the first U-shaped plate, and a slot matching the plug-in is formed on the second U-shaped plate.

10. The integrated inverter inductor according to claim 1, characterized in that: The inductor assembly includes two coils, and corresponding to all the coils, the first magnetic core body and the second magnetic core body are each provided with four magnetic core columns matching the shape of the mounting holes.

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