Dry-type iron core reactor with supporting-air-channel-free winding

Abstract

The utility model discloses a dry-type iron core reactor with a support-free air passage winding, which comprises a reactor body, the reactor body comprises an iron core and a coil arranged on the periphery of the iron core, and a winding assembly is arranged on the periphery of the coil; when the winding assembly is installed on the periphery of the electric reactor body, firstly, a worker clamps a plurality of groups of sound absorption fillers into a noise reduction groove in the top end of the air channel plate in a sliding mode through a clamping sliding groove, and then a buffer gasket is placed between the air channel plate and a fixing block. The noise generated by the electric reactor body can be reduced and absorbed through the buffer gasket, then the fixing rods penetrate through the fixing blocks and the buffer gasket and are inserted into the multiple sets of fixing grooves in the top end of the air inlet channel plate, the sound absorption filler is placed in the air inlet channel plate, and the sound absorption filler is arranged in the air inlet channel plate. And noise generated when the reactor body and the winding assembly work can be absorbed, noise generation is reduced, and the use experience of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type iron core reactor equipment, in particular to a dry-type iron core reactor with an unsupported airway winding. Background Art

[0002] Dry-type iron core reactor is a power electronic device used for power quality control and stabilization in power systems. It is usually used to regulate voltage and current, as well as filter and suppress harmonics in power systems. It is usually used in industrial and commercial power systems to improve power quality, reduce energy loss and meet special requirements of power demand.

[0003] According to the dry-type iron core reactor with unsupported airway winding disclosed in announcement number CN206558343U, it includes three pillars with pull plates on both the front and rear sides, the upper ends of the six pull plates are arranged between the upper yoke and the corresponding upper clamps and the three are fixedly connected by bolts, the lower ends of the six pull plates are arranged between the lower yoke and the corresponding ground feet and the three are fixedly connected by bolts, each of the pillars is wound with a group of multi-layer coils, the three airway plates are respectively arranged in the adjacent two layers of coils of the three groups of multi-layer coils, and each group of multi-layer coils forms a winding with airway by pulling out the airway plate. The utility model can not only increase the effective heat dissipation area of ​​the foil winding, but also prevent the structural parts from occupying the effective heat dissipation space, so that the heat dissipation airway area of ​​the winding is fully utilized, and at the same time will not increase the amount of electromagnetic materials.

[0004] The above utility model can effectively provide heat dissipation performance for the dry-type iron core reactor by opening an air duct at one end of the winding and using a winding made of foil material. However, the unsupported air duct winding will cause vibration and collision between the windings, thereby generating noise, affecting the working efficiency and user experience of the equipment. Utility Model Content

[0005] The purpose of the utility model is to solve the problem that the above-mentioned utility model can effectively provide heat dissipation performance for the dry-type iron core inductor by opening an air duct at one end of the winding and using a foil-type winding, but the unsupported air duct winding will cause vibration and collision between the windings, thereby generating noise, affecting the working efficiency and user experience of the equipment, and provide a dry-type iron core inductor with an unsupported air duct winding.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a dry-type iron core inductor with an unsupported airway winding, comprising a reactor body, the reactor body comprising an iron core and a coil arranged on the outer periphery of the iron core, a winding assembly being arranged on the outer periphery of the coil, the winding assembly comprising a winding body and an airway plate arranged in the middle of the winding body and the coil, noise reduction grooves are evenly arranged around the top of the airway plate to reduce the noise of the reactor body during operation, a sound-absorbing filler is slidably connected inside the noise reduction groove to absorb the noise generated by the operation of the reactor body, fixing blocks fixed to the airway plate are symmetrically fixed at both ends of the sound-absorbing filler, a fixing rod fixed to the airway plate is inserted at the top of the fixing block, and fixing grooves are evenly arranged at the top of the airway plate to be inserted and fixed to the fixing rod.

[0007] As a further solution of the utility model: a buffer gasket for reducing noise generated during operation is arranged just below the fixing block and just above the airway plate, and the buffer gasket is symmetrically arranged at the bottom end of the fixing block.

[0008] As a further solution of the utility model: one end of the sound-absorbing filler is provided with a snap-in slide groove for easy replacement at the end of its service life, and the snap-in slide grooves are symmetrically arranged at both ends of the sound-absorbing filler.

[0009] As a further solution of the utility model: a pulling groove is provided on the top of the sound-absorbing filler to facilitate the staff to take it out.

[0010] As a further solution of the utility model: a groove is provided at one end of the airway plate close to the winding body, a heat-conducting block for increasing the heat dissipation rate is fixedly installed on the inside of the groove, and an air port for discharging heat from the heat-conducting block is provided at the top of the airway plate, and a groove and a heat-conducting block are also provided at one end of the airway plate close to the coil.

[0011] As a further solution of the utility model: an upper yoke is arranged at the top end of the iron core, and a lower yoke is arranged at the bottom end of the iron core.

[0012] As a further solution of the utility model: the bottom end of the upper yoke is provided with an iron core plate for reducing the noise generated when the reactor body is working, and the iron core plate is also arranged in the middle of the lower yoke and the iron core.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. When the winding assembly is installed on the periphery of the reactor body, the utility model first slides and clips multiple groups of sound-absorbing fillers into the noise reduction groove at the top of the airway plate through the clip-on slide groove, and then places the buffer gasket in the middle of the airway plate and the fixed block. The buffer gasket can slow down and absorb the noise generated by the reactor body. Then, the fixing rod is passed through the fixed block and the buffer gasket and inserted into the multiple groups of fixing grooves at the top of the airway plate, and the sound-absorbing filler is placed inside the airway plate. By installing the sound-absorbing filler inside the airway plate, the noise generated by the reactor body and the winding assembly during operation can be absorbed, the noise generation can be reduced, and the use experience of the equipment can be increased. When the use function of the sound-absorbing filler is reduced due to long-term use, the staff will pull the fixing rod out of the fixing groove, and then the staff will take out the sound-absorbing filler by pulling the groove and the clip-on slide groove, which is convenient for replacing the new sound-absorbing filler, reducing the maintenance time and increasing the work efficiency.

[0015] 2. At the same time, the heat generated by the coil and the winding body can be absorbed by the heat conductive blocks in the grooves symmetrically and evenly opened at both ends of the airway plate, and the heat absorbed by the heat conductive blocks can be discharged from the air ports at the top of the airway plate. The heat dissipation rate of the coil and the winding body can be increased through the heat conductive blocks and the air ports at the top of the airway plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the reactor body of the utility model;

[0018] Figure 3 It is a structural schematic diagram of the airway plate of the utility model;

[0019] Figure 4 This utility model Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0020] Figure 5 This utility model Figure 3 Schematic diagram of the enlarged structure at point B in the middle.

[0021] In the figure: 1. Reactor body; 11. Iron core; 12. Coil; 13. Lower yoke; 14. Upper yoke; 2. Winding assembly; 21. Winding body; 22. Airway plate; 23. Noise reduction groove; 24. Sound-absorbing filler; 25. Fixing block; 26. Buffer gasket; 27. Clip-on slide groove; 28. Fixing rod; 29. ​​Fixing groove; 210. Pulling groove; 211. Groove; 212. Heat-conducting block; 213. Air port; 214. Iron core plate. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" 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, or it can be the internal connection of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. The following is an explanation of the embodiments of the present utility model based on the overall structure of the present utility model.

[0024] Reference Figures 1 to 5 In an embodiment of the utility model, a dry-type iron core reactor with an unsupported airway winding includes a reactor body 1, the reactor body 1 includes an iron core 11 and a coil 12 arranged on the periphery of the iron core, a winding assembly 2 is arranged on the periphery of the coil 12, the winding assembly 2 includes a winding body 21 and an airway plate 22 arranged in the middle of the winding body 21 and the coil 12, a noise reduction groove 23 is evenly arranged around the top of the airway plate 22 to reduce the noise of the reactor body 1 during operation, a sound-absorbing filler 24 is slidably connected inside the noise reduction groove 23 to absorb the noise generated by the operation of the reactor body 1, and fixing blocks 25 fixed to the airway plate 22 are symmetrically fixed at both ends of the sound-absorbing filler 24, a fixing rod 28 fixed to the airway plate 22 is inserted at the top of the fixing block 25, and a fixing groove 29 evenly arranged at the top of the airway plate 22 to be inserted and fixed to the fixing rod 28.

[0025] Reference Figures 1 to 5A buffer gasket 26 for reducing noise during operation is arranged directly below the fixed block 25 and directly above the airway plate 22, and the buffer gasket 26 is symmetrically arranged at the bottom of the fixed block 25. A snap-in groove 27 is opened at one end of the sound-absorbing filler 24 for easy replacement at the end of its service life, and the snap-in groove 27 is symmetrically opened at both ends of the sound-absorbing filler 24. A pulling groove 210 is opened at the top of the sound-absorbing filler 24 for the staff to take it out easily.

[0026] Reference Figures 1 to 5 A groove 211 is provided at one end of the airway plate 22 close to the winding body 21, a heat conductive block 212 for increasing the heat dissipation rate is fixedly installed inside the groove 211, and an air port 213 is provided at the top of the airway plate 22 for discharging heat from the heat conductive block 212. A groove 211 and a heat conductive block 212 are also provided at one end of the airway plate 22 close to the coil 12.

[0027] Reference Figures 1 to 5 An upper yoke 14 is provided at the top of the core 11, a lower yoke 13 is provided at the bottom of the core 11, a core plate 214 is provided at the bottom of the upper yoke 14 to reduce the noise generated when the reactor body 1 is working, and the core plate 214 is also provided at the lower yoke 13 and the middle of the core 11.

[0028] The working principle of the utility model is as follows: when the winding assembly 2 is installed on the periphery of the reactor body 1, the staff first slides and engages multiple groups of sound-absorbing fillers 24 into the noise reduction groove 23 at the top of the air inlet plate 22 through the engaging slide groove 27, and then places the buffer gasket 26 in the middle of the air inlet plate 22 and the fixing block 25. The buffer gasket 26 can slow down and absorb the noise generated by the reactor body 1, and then the fixing rod 28 passes through the fixing block 25 and the buffer gasket 26 and is inserted into the multiple groups of fixing grooves 29 at the top of the air inlet plate 22, and the sound-absorbing filler 24 is placed in the air inlet plate 22. By installing the sound-absorbing filler 24 in the air inlet plate 22, the noise generated when the reactor body 1 and the winding assembly 2 are working can be absorbed, thereby reducing the generation of noise. , increase the use experience of the equipment. When the sound-absorbing filler 24 is used for too long and the function of the sound-absorbing filler 24 is reduced, the staff will pull the fixing rod 28 out of the fixing groove 29, and then the staff will take out the sound-absorbing filler 24 by pulling the groove 210 and the card-connecting slide groove 27, which is convenient for replacing the new sound-absorbing filler 24, reducing the maintenance time and increasing work efficiency. At the same time, the heat-conducting block 212 in the groove 211 symmetrically and evenly opened at both ends of the airway plate 22 can absorb the heat generated by the coil 12 and the winding body 21, and discharge the heat absorbed by the heat-conducting block 212 from the air port 213 at the top of the airway plate 22. The heat dissipation rate of the coil 12 and the winding body 21 can be increased through the heat-conducting block 212 and the air port 213 at the top of the airway plate 22.

[0029] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A dry-type iron core reactor with an unsupported airway winding, characterized in that: The invention comprises a reactor body (1), the reactor body (1) comprising an iron core (11) and a coil (12) arranged on the outer periphery of the iron core, a winding assembly (2) being arranged on the outer periphery of the coil (12), the winding assembly (2) comprising a winding body (21) and an airway plate (22) arranged in the middle of the winding body (21) and the coil (12), the top end of the airway plate (22) being uniformly surrounded by a noise reduction device for reducing the noise of the reactor body (1) when it is working. A groove (23) is formed in the noise reduction groove (23), wherein a sound absorbing filler (24) for absorbing the noise generated by the operation of the reactor body (1) is slidably connected therein, and fixing blocks (25) fixed to the airway plate (22) are symmetrically fixed at both ends of the sound absorbing filler (24), and a fixing rod (28) fixed to the airway plate (22) is inserted at the top of the fixing block (25), and fixing grooves (29) are evenly formed at the top of the airway plate (22) and are inserted and fixed to the fixing rod (28).

2. The dry-type iron core reactor with unsupported airway winding according to claim 1, characterized in that: A buffer pad (26) for reducing noise generated during operation is arranged directly below the fixing block (25) and directly above the airway plate (22), and the buffer pad (26) is symmetrically arranged at the bottom end of the fixing block (25).

3. The dry-type iron core reactor with unsupported airway winding according to claim 1, characterized in that: One end of the sound-absorbing filler (24) is provided with a snap-in slide groove (27) for facilitating replacement at the end of its service life, and the snap-in slide groove (27) is symmetrically provided at both ends of the sound-absorbing filler (24).

4. The dry-type iron core reactor with unsupported airway winding according to claim 1, characterized in that: The top of the sound-absorbing filler (24) is provided with a pulling groove (210) for the convenience of workers to take it out.

5. The dry-type iron core reactor with unsupported airway winding according to claim 1, characterized in that: A groove (211) is provided at one end of the airway plate (22) close to the winding body (21), a heat-conducting block (212) for increasing the heat dissipation rate is fixedly installed inside the groove (211), and an air port (213) for discharging heat from the heat-conducting block (212) is provided at the top of the airway plate (22), and a groove (211) and a heat-conducting block (212) are also provided at one end of the airway plate (22) close to the coil (12).

6. The dry-type iron core reactor with unsupported airway winding according to claim 1, characterized in that: An upper yoke (14) is arranged at the top end of the iron core (11), and a lower yoke (13) is arranged at the bottom end of the iron core (11).

7. The dry-type iron core reactor with unsupported airway winding according to claim 6, characterized in that: The bottom end of the upper yoke (14) is provided with an iron core plate (214) for reducing the noise generated when the reactor body (1) is in operation, and the iron core plate (214) is also provided in the middle of the lower yoke (13) and the iron core (11).

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