Half-potting type combined inductor

Abstract

The invention discloses a semi-potting type combined inductor, and relates to the technical field of combined inductors. According to the semi-potting type combined inductor, through cooperation of the heat dissipation guide pipe and the heat dissipation plate frame, the heat dissipation guide pipe can be installed in the rectangular outer shell before potting, and after potting is completed, through arrangement of the heat dissipation guide pipe and the heat dissipation plate frame, heat dissipated in the equipment operation process can be conducted through the heat dissipation guide pipe and the multiple heat dissipation fins; the heat dissipation effect in the rectangular outer shell is further guaranteed, the heat dissipation performance of the equipment is improved, meanwhile, through cooperation of the assembly frame and the positioning plate frame, the installation convenience of the equipment can be effectively improved, and the application range of the equipment can be effectively widened.

Description

Technical Field

[0001] The invention relates to the technical field of combined inductors, in particular to a semi-potted combined inductor. Background Art

[0002] The combination inductor is composed of two or more inductor coils. By connecting them together, the desired inductance value can be obtained. It is mainly used in various circuits and applications, greatly improving the flexibility and adjustability of the circuit; the combination inductor is mainly composed of three parts: coil, core and shell. According to the different cores, it can be divided into ferrite, alloy and ceramic. Ferrite has high magnetic permeability, but a narrow frequency range; alloy has high magnetic permeability and wide bandwidth characteristics; ceramic has the advantages of high frequency, wide bandwidth and small size; refer to the Chinese patent, announcement number: "CN116564650A" "a semi-potted combination inductor", the existing combination inductor of the patent has the problems of large size, low efficiency, high cost, poor heat dissipation performance and poor EMI filtering effect; but the device still has the problem of poor heat dissipation effect and inconvenient installation. In this regard, we propose a semi-potted combination inductor to solve the above problems. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a semi-potted combined inductor, which solves the problems raised in the above background technology.

[0004] To achieve the above objectives, the present invention is implemented through the following technical solutions: a semi-potted combined inductor, comprising a rectangular outer shell, a magnetic core body is arranged on both sides of the inner part of the rectangular outer shell, a positioning base is fixedly installed at the bottom of the magnetic core body, and an enameled wire body is wound inside the magnetic core body; A plurality of lead bodies are fixedly mounted on the bottom of the rectangular outer shell, and the plurality of lead bodies are respectively connected to corresponding magnetic core bodies, and the interior of the rectangular outer shell is potted with potting glue; A plurality of heat dissipation pipes are arranged inside the rectangular outer shell. The plurality of heat dissipation pipes have the same shape and are all arc-shaped. The installation positions of the plurality of heat dissipation pipes are respectively located on both sides of the corresponding magnetic core body. The ends of the plurality of heat dissipation pipes all penetrate the rectangular outer shell. The plurality of heat dissipation pipes are hollow and are used to conduct the heat dissipated when the device is running. A heat sink frame is fixedly installed below the positioning base, the heat sink frame passes through the bottom of the rectangular outer shell, and a sealing ring frame is fixedly installed on the outside of the heat sink frame, the sealing ring frame is in contact with the inner bottom of the rectangular outer shell, and a plurality of rectangular grooves are symmetrically opened inside the heat sink frame, and heat sink fins are fixedly installed inside the rectangular grooves.

[0005] Preferably, a plurality of the heat dissipation pipes are respectively fitted with corresponding enameled wire bodies, and a distance is left between the installation position of the heat dissipation pipe and the inner wall of the rectangular outer shell.

[0006] Preferably, a distance is left between the magnetic core bodies on both sides of the rectangular outer shell for potting glue, and a limiting partition is provided between the two magnetic core bodies for blocking the magnetic core bodies on both sides.

[0007] Preferably, a bottom positioning frame is fixedly installed in the middle of the inner side of the rectangular outer shell, the limiting partition is slidably installed inside the bottom positioning frame, and a plurality of spring bodies are fixedly installed between the limiting partition and the inside of the bottom positioning frame.

[0008] Preferably, a plurality of rubber support columns are fixedly installed inside the rectangular outer shell, and the positioning base is placed above the corresponding rubber support columns.

[0009] Preferably, both sides of the rectangular outer shell are provided with assembly components, and the assembly components can be used to assemble the rectangular outer shell to a preset position.

[0010] Preferably, the assembly component includes a positioning plate frame and a mounting plate, the mounting plate is fixedly mounted on the middle part of the outer side of the rectangular outer shell, the positioning plate frame is slidably connected to the corresponding mounting plate, a plurality of support springs are fixedly mounted between the positioning plate frame and the corresponding mounting plate, and a plurality of assembly frames are slidably mounted on the outer side of the positioning plate frame.

[0011] Preferably, through the cooperation between the assembly frame and the positioning plate frame, the assembly frame can be adjusted to an appropriate position when installing the rectangular outer shell, and then the assembly frame can be locked to a preset position by bolts to complete the assembly of the rectangular outer shell. Compared with the traditional installation method, the installation convenience and application scope of the equipment can be improved.

[0012] Preferably, the upper and lower sides of the positioning plate frame are symmetrically provided with limiting sliding grooves, and the outer side of the assembly frame is fixedly mounted with a sliding block adapted to the limiting sliding grooves.

[0013] Preferably, a plurality of protective pads are fixedly mounted on the outer side of the mounting plate, and elastic protective sheets are fixedly mounted between the positioning plate frame and the ends of the mounting plate.

[0014] Preferably, the plurality of assembly racks are symmetrically provided with assembly holes on both sides thereof.

[0015] Preferably, the position of the assembly frame can be adjusted easily by sliding the slider inside the limiting slide groove. At the same time, when the assembly frame is installed by inserting the positioning bolt into the assembly hole, the slider and the limiting slide groove can be subjected to relative force to avoid sliding of the rectangular outer shell after installation.

[0016] The present invention provides a semi-potted combined inductor. Compared with the prior art, it has the following beneficial effects: (1) The semi-potted combination inductor can be installed inside the rectangular outer shell before potting through the cooperation of the heat dissipation duct and the heat dissipation plate frame. After potting, the heat dissipated during the operation of the equipment can be conducted through the heat dissipation duct and multiple heat dissipation fins through the setting of the heat dissipation duct and the heat dissipation plate frame, thereby further ensuring the heat dissipation effect inside the rectangular outer shell and improving the heat dissipation performance of the equipment.

[0017] (2) The semi-potted combination inductor can adjust the assembly frame to a suitable position when installing the rectangular outer shell through the cooperation of the assembly frame and the positioning plate frame, and then lock the assembly frame to a preset position through bolts to complete the assembly of the rectangular outer shell. Compared with the traditional installation method, it can effectively improve the installation convenience and application scope of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the cross-sectional structure of the rectangular outer shell of the present invention; Figure 3 For the present invention Figure 2 Side view; Figure 4 For the present invention Figure 2 Top view; Figure 5 This is a schematic diagram of the cross-sectional structure of the positioning base of the present invention; Figure 6 For the present invention Figure 5 The enlarged structural diagram at A in the middle; Figure 7 It is a schematic diagram of the cross-sectional structure of the positioning plate frame and the mounting plate of the present invention; Figure 8 For the present invention Figure 7 Enlarged structural diagram at B in the middle.

[0019] In the figure: 1, rectangular outer shell; 2, magnetic core body; 3, positioning base; 4, enameled wire body; 5, lead body; 6, heat dissipation duct; 7, positioning plate frame; 701, mounting plate; 7011, protective pad; 7012, elastic protective sheet; 702, support spring; 703, limiting slide groove; 8, assembly frame; 801, assembly hole; 9, limiting partition; 10, bottom positioning frame; 11, rubber support column; 12, heat dissipation plate frame; 1201, rectangular groove; 1202, heat dissipation fin; 1203, sealing ring frame. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0021] See also Figure 1-Figure 8 The present invention provides two technical solutions, which specifically include the following embodiments: Example

[0022] In an embodiment of the present invention, a semi-potted combined inductor includes a rectangular outer shell 1, a magnetic core body 2 is provided on both sides of the inner part of the rectangular outer shell 1, a positioning base 3 is fixedly installed on the bottom of the magnetic core body 2, and an enameled wire body 4 is wound inside the magnetic core body 2, and both the magnetic core body 2 and the enameled wire body 4 are existing components; In the embodiment of the present invention, a plurality of lead bodies 5 are fixedly mounted on the bottom of the rectangular outer shell 1, and the plurality of lead bodies 5 are respectively connected to the corresponding magnetic core bodies 2, and the interior of the rectangular outer shell 1 is potted with potting glue; Specifically, when potting the device, first connect the lead body 5 with the magnetic core body 2, and after the magnetic core body 2 is placed, pour the potting glue into the rectangular outer shell 1 to achieve the potting operation; In the embodiment of the present invention, a plurality of heat dissipation pipes 6 are provided inside the rectangular outer shell 1. The plurality of heat dissipation pipes 6 have the same shape and are all arc-shaped. The installation positions of the plurality of heat dissipation pipes 6 are respectively located on both sides of the corresponding magnetic core body 2. The ends of the plurality of heat dissipation pipes 6 all penetrate the rectangular outer shell 1, and the plurality of heat dissipation pipes 6 are all hollow, which are used to conduct the heat dissipated when the device is running; In the embodiment of the present invention, the heat dissipation conduit 6 is made of an existing heat dissipation material. The heat dissipation conduit 6 is installed inside the rectangular outer shell 1 before potting. After potting, the heat dissipation conduit 6 can be conducted through the setting of the heat dissipation conduit 6 during the operation of the device, thereby further ensuring the heat dissipation effect inside the rectangular outer shell 1. In the embodiment of the present invention, a heat sink frame 12 is fixedly installed below the positioning base 3, the heat sink frame 12 passes through the bottom of the rectangular outer shell 1, and a sealing ring frame 1203 is fixedly installed on the outer side of the heat sink frame 12, the sealing ring frame 1203 and the inner bottom of the rectangular outer shell 1 are mutually attached, and a plurality of rectangular grooves 1201 are symmetrically opened inside the heat sink frame 12, and heat sink fins 1202 are fixedly installed inside the rectangular grooves 1201; In the embodiment of the present invention, specifically, by setting the heat dissipation fins 1202, the heat inside the rectangular outer shell 1 can be conducted outward, further avoiding the high temperature inside the rectangular outer shell 1 and affecting the operation of the device, and effectively improving the heat dissipation performance of the device; In the embodiment of the present invention, a plurality of heat dissipation conduits 6 are respectively attached to the corresponding enameled wire bodies 4, and a distance is left between the installation position of the heat dissipation conduits 6 and the inner wall of the rectangular outer shell 1; In the embodiment of the present invention, a distance is left between the magnetic core bodies 2 on both sides of the rectangular outer shell 1 for potting the potting glue, and a limiting partition 9 is provided between the two magnetic core bodies 2 for blocking the magnetic core bodies 2 on both sides; In the embodiment of the present invention, specifically, a bottom positioning frame 10 is fixedly installed in the middle of the inner side of the rectangular outer shell 1, a limiting partition 9 is slidably installed inside the bottom positioning frame 10, and a plurality of spring bodies are fixedly installed between the limiting partition 9 and the inside of the bottom positioning frame 10; In the embodiment of the present invention, specifically, by setting the limiting partition 9 and the bottom positioning frame 10, the limiting partition 9 can be lifted by the cooperation of the spring body during use, thereby further improving the insulation between the magnetic core bodies 2. At the same time, when the device is packaged and transported, the limiting partition 9 can be compressed into the bottom positioning frame 10, thereby reducing the occupied space and ensuring the convenience of transportation. In the embodiment of the present invention, further, a plurality of rubber support columns 11 are fixedly installed inside the rectangular outer shell 1, and the positioning base 3 is placed above the corresponding rubber support columns 11; In the embodiment of the present invention, specifically, through the cooperation of the rubber support columns 11, when the positioning base 3 is placed inside the rectangular outer shell 1, it can be supported by multiple rubber support columns 11, so that during the potting process, the potting glue can enter between the positioning base 3 and the inner bottom of the rectangular outer shell 1 to ensure the packaging effect.

[0023] Embodiment 2, based on embodiment 1, in the embodiment of the present invention, a semi-potted combined inductor includes a rectangular outer shell 1, a magnetic core body 2 is provided on both sides of the inner part of the rectangular outer shell 1, a positioning base 3 is fixedly installed on the bottom of the magnetic core body 2, and an enameled wire body 4 is wound inside the magnetic core body 2, and the magnetic core body 2 and the enameled wire body 4 are both existing components; In the embodiment of the present invention, a plurality of lead bodies 5 are fixedly mounted on the bottom of the rectangular outer shell 1, and the plurality of lead bodies 5 are respectively connected to the corresponding magnetic core bodies 2, and the interior of the rectangular outer shell 1 is potted with potting glue; Specifically, when potting the device, first connect the lead body 5 with the magnetic core body 2, and after the magnetic core body 2 is placed, pour the potting glue into the rectangular outer shell 1 to achieve the potting operation; In the embodiment of the present invention, a plurality of heat dissipation pipes 6 are provided inside the rectangular outer shell 1. The plurality of heat dissipation pipes 6 have the same shape and are all arc-shaped. The installation positions of the plurality of heat dissipation pipes 6 are respectively located on both sides of the corresponding magnetic core body 2. The ends of the plurality of heat dissipation pipes 6 all penetrate the rectangular outer shell 1, and the plurality of heat dissipation pipes 6 are all hollow, which are used to conduct the heat dissipated when the device is running; In the embodiment of the present invention, the heat dissipation conduit 6 is made of an existing heat dissipation material. The heat dissipation conduit 6 is installed inside the rectangular outer shell 1 before potting. After potting, the heat dissipation conduit 6 can be conducted through the setting of the heat dissipation conduit 6 during the operation of the device, thereby further ensuring the heat dissipation effect inside the rectangular outer shell 1. In the embodiment of the present invention, a heat sink frame 12 is fixedly installed below the positioning base 3, the heat sink frame 12 passes through the bottom of the rectangular outer shell 1, and a sealing ring frame 1203 is fixedly installed on the outer side of the heat sink frame 12, the sealing ring frame 1203 and the inner bottom of the rectangular outer shell 1 are mutually attached, and a plurality of rectangular grooves 1201 are symmetrically opened inside the heat sink frame 12, and heat sink fins 1202 are fixedly installed inside the rectangular grooves 1201; In the embodiment of the present invention, specifically, by setting the heat dissipation fins 1202, the heat inside the rectangular outer shell 1 can be conducted outward, further avoiding the high temperature inside the rectangular outer shell 1 and affecting the operation of the device, and effectively improving the heat dissipation performance of the device; In the embodiment of the present invention, a plurality of heat dissipation conduits 6 are respectively attached to the corresponding enameled wire bodies 4, and a distance is left between the installation position of the heat dissipation conduits 6 and the inner wall of the rectangular outer shell 1; In the embodiment of the present invention, a distance is left between the magnetic core bodies 2 on both sides of the rectangular outer shell 1 for potting the potting glue, and a limiting partition 9 is provided between the two magnetic core bodies 2 for blocking the magnetic core bodies 2 on both sides; In the embodiment of the present invention, specifically, a bottom positioning frame 10 is fixedly installed in the middle of the inner side of the rectangular outer shell 1, a limiting partition 9 is slidably installed inside the bottom positioning frame 10, and a plurality of spring bodies are fixedly installed between the limiting partition 9 and the inside of the bottom positioning frame 10; In the embodiment of the present invention, specifically, by setting the limiting partition 9 and the bottom positioning frame 10, the limiting partition 9 can be lifted by the cooperation of the spring body during use, thereby further improving the insulation between the magnetic core bodies 2. At the same time, when the device is packaged and transported, the limiting partition 9 can be compressed into the bottom positioning frame 10, thereby reducing the occupied space and ensuring the convenience of transportation. In the embodiment of the present invention, further, a plurality of rubber support columns 11 are fixedly installed inside the rectangular outer shell 1, and the positioning base 3 is placed above the corresponding rubber support columns 11; In the embodiment of the present invention, specifically, through the cooperation of the rubber support column 11, when the positioning base 3 is placed inside the rectangular outer shell 1, it can be supported by multiple rubber support columns 11, so that during the potting process, the potting glue can enter between the positioning base 3 and the inner bottom of the rectangular outer shell 1 to ensure the packaging effect; In the embodiment of the present invention, further, both sides of the rectangular outer shell 1 are provided with assembly components, and the assembly components can be used to assemble the rectangular outer shell 1 to a preset position; In the embodiment of the present invention, specifically, the assembly assembly includes a positioning plate frame 7 and a mounting plate 701, and the mounting plate 701 is fixedly mounted on the middle part of the outer side of the rectangular outer shell 1; In the embodiment of the present invention, specifically, the positioning plate frame 7 is slidably connected to the corresponding mounting plate 701, a plurality of support springs 702 are fixedly installed between the positioning plate frame 7 and the corresponding mounting plate 701, and a plurality of assembly frames 8 are slidably installed on the outer side of the positioning plate frame 7; In the embodiment of the present invention, by cooperating with the assembly frame 8 and the positioning plate frame 7, the assembly frame 8 can be adjusted to a suitable position when the rectangular outer shell 1 is installed, and then the assembly frame 8 is locked to a preset position by bolts, so that the assembly operation of the rectangular outer shell 1 can be completed; In the embodiment of the present invention, compared with the traditional installation method, the installation convenience and application scope of the equipment can be effectively improved; In the embodiment of the present invention, the force applied to the rectangular outer shell 1 can be buffered by the cooperation of the support spring 702, thereby further improving the protection performance of the device. In the embodiment of the present invention, specifically, the upper and lower sides of the positioning plate frame 7 are symmetrically provided with limited sliding grooves 703, and the outer side of the assembly frame 8 is fixedly installed with a sliding block adapted to the limited sliding groove 703; In the embodiment of the present invention, the slider is slidably installed inside the limiting slide groove 703, so that the position of the assembly frame 8 can be adjusted easily. At the same time, when the assembly frame 8 is installed by inserting the positioning bolt into the assembly hole 801, the slider and the limiting slide groove 703 can be relatively stressed to avoid the rectangular outer shell 1 from sliding after installation. In the embodiment of the present invention, specifically, a plurality of protective pads 7011 are fixedly installed on the outer side of the mounting plate 701, and elastic protective sheets 7012 are fixedly installed between the positioning plate frame 7 and the ends of the mounting plate 701. Through the cooperation of the protective pads 7011 and the elastic protective sheets 7012, the protective box effect of the rectangular outer shell 1 is further improved; In the embodiment of the present invention, specifically, both sides of the inner sides of the plurality of assembly frames 8 are symmetrically provided with assembly holes 801 , and the assembly holes 801 are threaded holes.

[0024] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0025] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the present invention.

Claims

1. A semi-potted combined inductor, comprising a rectangular outer shell (1), characterized in that: A magnetic core body (2) is provided on both sides of the interior of the rectangular outer shell (1); a positioning base (3) is fixedly installed at the bottom of the magnetic core body (2); and an enameled wire body (4) is wound inside the magnetic core body (2); A plurality of lead bodies (5) are fixedly mounted on the bottom of the rectangular outer shell (1), and the plurality of lead bodies (5) are respectively connected to corresponding magnetic core bodies (2), and the interior of the rectangular outer shell (1) is potted with potting glue; A plurality of heat dissipation pipes (6) are arranged inside the rectangular outer shell (1); the plurality of heat dissipation pipes (6) have the same shape and are all arc-shaped; the plurality of heat dissipation pipes (6) are installed at two sides of the corresponding magnetic core body (2); the ends of the plurality of heat dissipation pipes (6) all penetrate the rectangular outer shell (1); and the plurality of heat dissipation pipes (6) are all hollow and are used to conduct heat dissipated during operation of the device. A heat sink frame (12) is fixedly mounted below the positioning base (3), the heat sink frame (12) passes through the bottom of the rectangular outer shell (1), and a sealing ring frame (1203) is fixedly mounted on the outside of the heat sink frame (12), the sealing ring frame (1203) and the inner bottom of the rectangular outer shell (1) are fitted together, a plurality of rectangular grooves (1201) are symmetrically formed inside the heat sink frame (12), and heat sink fins (1202) are fixedly mounted inside the rectangular grooves (1201).

2. The semi-potted combined inductor according to claim 1, characterized in that: The plurality of heat dissipation conduits (6) are respectively fitted to the corresponding enameled wire bodies (4), and a distance is left between the installation position of the heat dissipation conduits (6) and the inner wall of the rectangular outer shell (1).

3. The semi-potted combined inductor according to claim 1, characterized in that: A distance is left between the magnetic core bodies (2) on both sides of the rectangular outer shell (1) for potting with potting glue, and a limiting partition (9) is provided between the two magnetic core bodies (2) for blocking the magnetic core bodies (2) on both sides.

4. The semi-potted combined inductor according to claim 3, characterized in that: A bottom positioning frame (10) is fixedly mounted in the middle of the inner side of the rectangular outer shell (1), the limiting partition (9) is slidably mounted inside the bottom positioning frame (10), and a plurality of spring bodies are fixedly mounted between the limiting partition (9) and the inside of the bottom positioning frame (10).

5. The semi-potted combined inductor according to claim 1, characterized in that: A plurality of rubber support columns (11) are fixedly installed inside the rectangular outer shell (1), and the positioning base (3) is placed above the corresponding rubber support columns (11).

6. The semi-potted combined inductor according to claim 1, characterized in that: Both sides of the rectangular outer shell (1) are provided with assembly components, and the assembly components can be used to assemble the rectangular outer shell (1) to a preset position.

7. The semi-potted combined inductor according to claim 6, characterized in that: The assembly component comprises a positioning plate frame (7) and a mounting plate (701); the mounting plate (701) is fixedly mounted on the middle part of the outer side of the rectangular outer shell (1); the positioning plate frame (7) is slidably connected to the corresponding mounting plate (701); a plurality of supporting springs (702) are fixedly mounted between the positioning plate frame (7) and the corresponding mounting plate (701); and a plurality of assembly frames (8) are slidably mounted on the outer side of the positioning plate frame (7).

8. The semi-potted combined inductor according to claim 7, characterized in that: The upper and lower sides of the positioning plate frame (7) are symmetrically provided with limiting sliding grooves (703), and the outer side of the assembly frame (8) is fixedly mounted with a sliding block that matches the limiting sliding grooves (703).

9. The semi-potted combined inductor according to claim 7, characterized in that: A plurality of protective pads (7011) are fixedly mounted on the outer side of the mounting plate (701), and elastic protective sheets (7012) are fixedly mounted between the ends of the positioning plate frame (7) and the mounting plate (701).

10. The semi-potted combined inductor according to claim 7, characterized in that: Assembly holes (801) are symmetrically provided on both sides of the interior of the plurality of assembly frames (8).

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