Foil-wound single-column high-frequency direct-current reactor

Abstract

The utility model relates to the field of electric reactors, and discloses a foil-wound single-column high-frequency direct-current electric reactor which comprises a metal foil coil, the metal foil coil is wound into a cylinder shape, an iron core penetrates through the metal foil coil, the two ends of the iron core are connected with bases through locking bolts, the two sides of each base are provided with mounting holes, and the mounting holes are connected with the iron core through locking bolts. Fixing columns penetrate through the mounting holes, fixing rings are fixedly connected to the bottom ends of the fixing columns, mounting grooves distributed circumferentially are formed in the side walls of the fixing columns, connecting bases are arranged in the middles of the fixing columns, a plurality of springs are arranged on the circumferences of the connecting bases, and limiting rods are fixedly connected to the ends, away from the connecting bases, of the springs; the limiting rods are arranged on the outer sides of the fixing columns, and the top ends of the fixing columns are fixedly connected with loading and unloading rods. According to the reactor, due to the fact that the metal foil coil is arranged and a foil winding structure is good in heat dissipation performance, the reactor can be rapidly assembled and disassembled through rapid assembly and disassembly between the fixing column and the base, and the efficiency is high.

Description

Technical Field

[0001] The utility model relates to the field of reactors, in particular to a foil-wound single-column high-frequency DC reactor. Background Art

[0002] A reactor is an electrical component used to limit harmonic components in current, suppress surge current or provide reactive power compensation. In high-frequency applications, the design of the reactor is particularly crucial because it needs to work effectively at higher frequencies while maintaining low losses and high efficiency; A foil-wound single-column reactor is a special type of reactor that uses thin and wide metal foils as winding materials, and these metal foils are helically wound along the axial direction of the cylinder. This structure helps to reduce the skin effect of the winding and improve the performance of the reactor in high-frequency applications. The single-column design helps to simplify the manufacturing process and may provide better electrical characteristics, such as lower inductance and higher saturation current capacity. In the design of high-frequency DC reactors, technical challenges include how to ensure reliability under high-temperature and high-frequency operating conditions, how to minimize energy losses, and how to improve the thermal management efficiency of the reactor.

[0003] When the existing reactor is actually used, its heat dissipation is not good, which will affect the stability of the reactor during use. At the same time, when the existing reactor is actually used, it needs to be installed with screws one by one, and the efficiency is relatively slow. Content of the Utility Model

[0004] The purpose of the utility model is to solve the deficiencies existing in the prior art, and a foil-wound single-column high-frequency DC reactor is proposed.

[0005] To achieve the above purpose, the utility model adopts the following technical solution: a foil-wound single-column high-frequency DC reactor, including a metal foil coil, the metal foil coil is wound into a cylindrical shape and a core penetrates through its interior, both ends of the core are connected with bases through locking bolts, mounting holes are opened on both sides of the base, fixing columns penetrate through the mounting holes, a fixing ring is fixedly connected to the bottom end of the fixing column, mounting grooves distributed circumferentially are opened on the side wall of the fixing column, a connecting seat is arranged in the middle of the fixing column, a plurality of springs are arranged circumferentially on the connecting seat, limiting rods are fixedly connected to one ends of the springs away from the connecting seat, the limiting rods are all arranged on the outside of the fixing column, and handling rods are fixedly connected to the top ends of the fixing columns;

[0006] Through the above technical solution, the foil-wound single-column high-frequency DC reactor has the following remarkable advantages compared with the traditional reactor design. Reducing the skin effect: The foil-wound structure can effectively reduce the skin effect under high-frequency currents, thereby reducing the resistance and heat generation of the reactor, and improving the thermal management efficiency. Since the foil-wound structure has good heat dissipation performance, the reactor can dissipate heat more effectively during operation, maintain a lower working temperature, and improve the long-term stability and reliability. Enhancing the ability to resist electromagnetic forces: The foil-wound structure can withstand stronger electromagnetic forces, which is very important for high-frequency applications because the reactor may experience rapidly changing magnetic fields in these applications. Having a strong short-time overload capacity: The foil-wound reactor has a strong short-time overload capacity, which means that it can maintain its performance under instantaneous overload conditions and is suitable for coping with sudden electrical loads. The components on the fixed column and the base can be quickly installed and also quickly disassembled.

[0007] As a further description of the above technical solution:

[0008] Both ends of the metal foil coil are fixedly connected with aluminum conductive bars;

[0009] Through the above technical solution, the aluminum conductive bar is powered by the metal foil coil.

[0010] As a further description of the above technical solution:

[0011] Right-angle braces are provided at the four corners of the iron core and between the iron core and the metal foil coil;

[0012] Through the above technical solution, the right-angle braces prevent direct contact between the metal foil coil and the iron core, enabling the inductor to work properly.

[0013] As a further description of the above technical solution:

[0014] A disassembly ring is sleeved on the upper part of the fixed column;

[0015] Through the above technical solution, the disassembly ring is sleeved on the top of the fixed column, squeezing the loading and unloading rod, and the loading and unloading rod squeezes the limiting rod into the installation groove. At this time, the installation hole of the base is pulled out from the fixed column.

[0016] As a further description of the above technical solution:

[0017] The springs are all arranged at the lower part of the installation groove;

[0018] Through the above technical solution, the springs are squeezed and installed on the base, and then the springs squeeze the limiting rod to quickly position and limit the base.

[0019] As a further description of the above technical solution:

[0020] The upper ends of the loading and unloading rods are all rotatably connected to the inner top of the installation groove;

[0021] Through the above technical solution, it is convenient for the installation hole to move downward to squeeze the loading and unloading rod and then squeeze the spring.

[0022] As a further description of the above technical solution:

[0023] The upper parts of the loading and unloading rods and the generatrices of the outer walls of the fixed columns are all arranged in an obtuse angle of more than 150 degrees;

[0024] Through the above technical solution, the installation hole of the base can be limited by the limiting rod by squeezing the loading and unloading rod.

[0025] As a further description of the above technical solution:

[0026] The base is arranged between the limiting rod and the fixed ring;

[0027] Through the above technical solution, the limiting rod and the fixed ring are used to install the base.

[0028] The utility model has the following beneficial effects:

[0029] 1. In the utility model, due to the good heat dissipation performance of the foil winding structure, when the reactor is running, it can dissipate heat more effectively, maintain a lower working temperature, and improve the long-term stability and reliability.

[0030] 2. In the utility model, through the quick loading and unloading between the fixed column and the base, the reactor can be quickly loaded and unloaded, and the efficiency is very high. Brief Description of the Drawings

[0031] Figure 1 is a perspective view of a foil-wound single-column high-frequency DC reactor proposed by the utility model;

[0032] Figure 2 is a front view of a foil-wound single-column high-frequency DC reactor proposed by the utility model;

[0033] Figure 3 is a perspective view of the fixed column of a foil-wound single-column high-frequency DC reactor proposed by the utility model;

[0034] Figure 4 is an installation structure diagram of the limiting rod of a foil-wound single-column high-frequency DC reactor proposed by the utility model.

[0035] Legend Explanation:

[0036] 1. Metal foil coil; 2. Aluminum conductive bar; 3. Locking bolt; 4. Iron core; 5. Base; 6. Demounting ring; 7. Fixed column; 8. Installation groove; 9. Loading and unloading rod; 10. Limiting rod; 11. Right-angle brace; 12. Connecting seat; 13. Spring; 14. Fixed ring. Detailed implementation manners

[0037] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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.

[0038] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal connection of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0039] Refer to Figures 1-4, an embodiment provided by the present utility model: a foil-wound single-column high-frequency DC reactor, including a metal foil coil 1, the metal foil coil 1 is wound into a cylindrical shape and a core 4 penetrates through its interior. Both ends of the core 4 are connected to a base 5 through locking bolts 3. Installation holes are provided on both sides of the base 5, and fixing columns 7 penetrate through the installation holes. A fixing ring 14 is fixedly connected to the bottom end of the fixing column 7. Installation grooves 8 are provided on the side wall of the fixing column 7 in a circumferential distribution. A connecting seat 12 is arranged in the middle of the fixing column 7. A plurality of springs 13 are arranged circumferentially on the connecting seat 12. One end of each spring 13 away from the connecting seat 12 is fixedly connected to a limiting rod 10. The limiting rods 10 are all arranged outside the fixing column 7. Loading and unloading rods 9 are fixedly connected to the top ends of the fixing columns 7; through the above technical solution, compared with the traditional reactor design, the foil-wound single-column high-frequency DC reactor has the following several significant advantages. Reducing the skin effect: The foil-wound structure can effectively reduce the skin effect under high-frequency current, thereby reducing the resistance and heat generation of the reactor and improving the thermal management efficiency. Since the foil-wound structure has good heat dissipation performance, the reactor can dissipate heat more effectively during operation, maintain a lower working temperature, and improve the long-term stability and reliability. Enhancing the ability to resist electromagnetic force: The foil-wound structure can withstand stronger electromagnetic forces, which is very important for high-frequency applications because in these applications, the reactor may experience rapidly changing magnetic fields. Strong short-term overload capacity: The foil-wound reactor has a strong short-term overload capacity, which means that they can maintain performance under instantaneous overload conditions and are suitable for coping with sudden electrical loads. The components on the fixing column 7 and the base 5 can be quickly installed and also quickly disassembled.

[0040] Both ends of the metal foil coil 1 are fixedly connected with aluminum conductive bars 2, and the aluminum conductive bars 2 are used for the energized operation of the metal foil coil 1.

[0041] Right-angle braces 11 are arranged at the four corners of the core 4 and between the core 4 and the metal foil coil 1. The right-angle braces 11 prevent direct contact between the metal foil coil 1 and the core 4 and enable the inductor to work normally.

[0042] A disassembly ring 6 is sleeved on the upper part of the fixing column 7. The disassembly ring 6 is sleeved on the top of the fixing column 7. By squeezing the loading and unloading rod 9, the loading and unloading rod 9 squeezes the limiting rod 10 into the installation groove 8, and at this time, the installation hole of the base 5 is pulled out from the fixing column 7.

[0043] The springs 13 are all arranged at the lower part of the installation groove 8. The springs 13 are installed by squeezing the base 5, and then the springs 13 squeeze the limiting rods 10 to quickly position and limit the base 5.

[0044] The upper ends of the loading and unloading rods 9 are rotatably connected to the inner top of the installation groove 8, which is convenient for the installation hole to move downward to squeeze the loading and unloading rod 9 and then squeeze the spring 13.

[0045] The upper part of the loading and unloading rod 9 and the generatrix of the outer wall of the fixed column 7 are both inclined at an obtuse angle greater than 150 degrees. The mounting hole of the base 5 can be limited by the limiting rod 10 by squeezing the loading and unloading rod 9.

[0046] The base 5 is arranged between the limiting rod 10 and the fixed ring 14, and the limiting rod 10 and the fixed ring 14 are used for mounting the base 5.

[0047] Working principle: In actual use, due to the good heat dissipation performance of the foil winding structure, the reactor can dissipate heat more effectively during operation, maintain a lower working temperature, improve long-term stability and reliability. The fixed column 7 is fixedly connected to the equipment. The mounting hole of the base 5 of the reactor is directly sleeved into the fixed column 7. At this time, the mounting hole squeezes the loading and unloading rod 9, and the loading and unloading rod 9 squeezes the spring 13 through the limiting rod 10. After the base 5 passes through the limiting rod 10, the base 5 is fixed between the limiting rod 10 and the fixed ring 14, realizing the fixation of the reactor in the equipment. When disassembling, the disassembly ring 6 is sleeved on the fixed column 7 to squeeze the loading and unloading rod 9, and the loading and unloading rod 9 squeezes the limiting rod 10. At this time, the limiting rod 10 moves the base 5 after entering the mounting groove 8, so that the reactor and the disassembly ring 6 are pulled out at the same time, realizing the rapid disassembly of the reactor with high efficiency.

[0048] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A foil-wound single-column high-frequency DC reactor, comprising a metal foil coil (1), characterized in that: The metal foil coil (1) is wound into a cylindrical shape and an iron core (4) is passed through the inside thereof. Both ends of the iron core (4) are connected to a base (5) through locking bolts (3). Both sides of the base (5) are provided with mounting holes. A fixing column (7) is passed through the mounting holes. The bottom end of the fixing column (7) is fixedly connected to a fixing ring (14). The side wall of the fixing column (7) is provided with mounting grooves (8) distributed in a circumference. A connecting seat (12) is provided in the middle of the fixing column (7). A plurality of springs (13) are provided on the circumference of the connecting seat (12). One end of the spring (13) is fixedly connected to a limiting rod (10) on the principle of the connecting seat (12). The limiting rod (10) is arranged on the outside of the fixing column (7). The top end of the fixing column (7) is fixedly connected to a loading and unloading rod (9).

2. The foil-wound single-column high-frequency DC reactor according to claim 1, characterized in that: Both ends of the metal foil coil (1) are fixedly connected to an aluminum conductive bar (2).

3. The foil-wound single-column high-frequency DC reactor according to claim 1, characterized in that: Right-angle braces (11) are arranged at the four corners of the iron core (4) and between the iron core (4) and the metal foil coil (1).

4. The foil-wound single-column high-frequency DC reactor according to claim 1, characterized in that: The upper part of the fixing column (7) is sleeved with a disassembly ring (6).

5. The foil-wound single-column high-frequency DC reactor according to claim 1, characterized in that: The springs (13) are all arranged at the lower part of the mounting groove (8).

6. The foil-wound single-column high-frequency DC reactor according to claim 1, characterized in that: The upper ends of the loading and unloading rods (9) are rotatably connected to the inner top of the installation groove (8).

7. The foil-wound single-column high-frequency DC reactor according to claim 1, characterized in that: The upper part of the loading and unloading rod (9) and the outer wall generatrix of the fixing column (7) are both inclined at an obtuse angle greater than 150 degrees.

8. The foil-wound single-column high-frequency DC reactor according to claim 1, characterized in that: The base (5) is arranged between the limiting rod (10) and the fixing ring (14).

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