Grounding resistor cabinet

Abstract

The utility model provides a grounding resistor cabinet, including cabinet body and inner box, inside the inner box is provided with dissembling and assembling subassembly, dissembling and assembling subassembly includes locating cylinder, screw and driving gear, inside the inner box is provided with the movable groove, inside the movable groove is fixedly installed with two fixed plate, the fixed plate is fixed with the fixed plate, and the fixed plate is fixed with the fixed plate. A screw rod is rotationally connected between the two fixing plates through a bearing, a driven gear is fixedly mounted on the screw rod, and a rotating rod is rotationally connected to the interior of the inner box through a bearing. By starting the two fans, air can circularly flow in the cabinet body, heat in the cabinet body can be quickly taken away, the working temperature of equipment is reduced, the reliability and stability of the equipment are improved, faults and damage caused by overheating are reduced, meanwhile, air circulation in the cabinet body can be kept, the humidity can be reduced, and the service life of the equipment is prolonged. And moisture accumulation is prevented, so that the electrical equipment is effectively protected from being damaged by a humid environment.

Description

Technical Field

[0001] This utility model relates to a grounding resistor cabinet. Background Technology

[0002] The resistor cabinet, with high-resistance grounding of the generator neutral point, limits the grounding current and prevents various overvoltage hazards. Grounding the neutral point through a resistor can limit the fault current to an appropriate value, improve the sensitivity of relay protection to trip, and at the same time ensure that the fault point can only be locally and slightly burned, limit the reignition of the arc, prevent arc gap overvoltage from damaging the main equipment, and effectively prevent ferroresonant overvoltage, thereby ensuring the safe operation of the generator.

[0003] When existing grounding resistor cabinets are in use, the electrical equipment generates heat during operation. In some humid environments, moisture can easily accumulate inside the cabinet. If the heat and moisture cannot be dissipated in time, it can lead to increased equipment temperature and mold growth, causing malfunctions and damage, affecting the performance and lifespan of the equipment. Furthermore, the resistor structure inside the cabinet is usually fixed in a fixed position inside the cabinet, requiring complex disassembly tools and cumbersome operating procedures, making it inconvenient to install and disassemble. Utility Model Content

[0004] This utility model addresses the problem that electrical equipment generates heat during operation, and in humid environments, moisture easily accumulates inside the cabinet. If the heat and moisture cannot be dissipated in time, it can lead to increased equipment temperature, mold growth, malfunctions, and damage, affecting the equipment's performance and lifespan. Furthermore, the resistor structure inside the resistor cabinet is usually fixed in a fixed position inside the cabinet, requiring complex disassembly tools and cumbersome operating procedures, making installation and disassembly inconvenient. Therefore, this utility model provides a grounding resistor cabinet.

[0005] This utility model solves the above-mentioned technical problems through the following technical solutions:

[0006] This utility model provides a grounding resistor cabinet, including a cabinet body, a gas distribution pipe, and an inner box. The inner box is equipped with a disassembly and assembly assembly, which includes a positioning cylinder, a screw, and a drive gear. The inner box has a movable groove, and two fixed plates are fixedly installed inside the movable groove. The two fixed plates are rotatably connected to the screw via a bearing. A driven gear is fixedly installed on the screw. A rotating rod is rotatably connected to the inner box via a bearing. A handwheel is fixedly installed at one end of the rotating rod, and a drive gear is fixedly installed at the other end of the rotating rod. The drive gear and the driven gear are meshed and connected. Two positioning cylinders are threadedly connected to the screw.

[0007] The cabinet has air distribution pipes fixedly installed on both the left and right inner walls. Each of the two air distribution pipes is connected to multiple equally spaced jet nozzles. The cabinet has two fans fixedly installed on its side. Each of the two fans has a connecting pipe connected to one side. One end of each of the two connecting pipes extends into the interior of the cabinet and connects to the air distribution pipes.

[0008] In this technical solution, both screws are provided with threads with opposite rotation directions at both ends, and the two positioning cylinders are respectively distributed on opposite threads.

[0009] In this technical solution, the inner wall of the movable groove is provided with multiple sliding grooves, and sliders are fixedly installed on both positioning cylinders, and both sliders are slidably connected to the sliding grooves.

[0010] In this technical solution, a partition is fixedly installed inside the cabinet, and two support columns are fixedly installed on each of the four inner side walls and the partition. One side of the multiple support columns is fixedly installed to the same inner box.

[0011] In this technical solution, the four side walls of the inner box are provided with multiple equally spaced through slots, and both ends of the multiple mounting brackets can be inserted into the multiple through slots.

[0012] In this technical solution,

[0013] In this technical solution, the top wall and left and right side walls of the cabinet are provided with multiple louvers that are evenly distributed.

[0014] In this technical solution, multiple resistor structures are fixedly installed inside the inner box. Each of the multiple resistor structures has a mounting bracket at both ends, and both ends of the multiple resistor structures are fixed to the mounting bracket by bolts.

[0015] In this technical solution, each of the multiple mounting brackets has two positioning slots, and each of the multiple positioning cylinders can extend into the interior of the through slot and be inserted into the positioning slot.

[0016] In this technical solution, the front side of the cabinet is connected to a door via a hinge, and the rear side of the cabinet is fixed with a back panel via multiple bolts.

[0017] In this technical solution, the cabinet has two cable inlets, and cable inlet plates are provided at the positions of the two cable inlets. Both cable inlet plates are fixed to the cabinet with bolts.

[0018] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0019] The positive and progressive effects of this utility model are as follows:

[0020] The aforementioned grounding resistor cabinet, through the installation and removal components, allows for easy disassembly. By rotating the handwheel, the handwheel drives the drive gear via the rotating rod, which in turn drives the screw via the driven gear. With the cooperation of the sliding groove and the slider, both positioning cylinders are inserted into the positioning groove. When the resistor structure malfunctions or is damaged, maintenance personnel can easily remove the resistor structure from the inner box to inspect and adjust it, ensuring that the resistor structure's performance is always at its best.

[0021] By setting multiple disassembly and assembly components, the resistor structure can be installed with disassembly and assembly components of different heights. The height of the resistor structure can be adjusted to meet specific electrical performance requirements, thereby improving the safety and stability of the power system. At the same time, different numbers of resistor structures can be installed, allowing the grounding resistor cabinet to be flexibly configured according to specific application scenarios and needs, making it more adaptable to the needs of different users and improving the versatility and applicability of the product.

[0022] By activating two fans, air can circulate inside the cabinet, which not only quickly removes heat from inside the cabinet, reducing the operating temperature of the equipment and improving its reliability and stability, thus reducing malfunctions and damage caused by overheating, but also maintains air circulation inside the cabinet, reducing humidity and preventing moisture accumulation, thereby effectively protecting electrical equipment from the damage of a humid environment. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0024] Figure 2 This is a schematic diagram of the internal front view of the present invention.

[0025] Figure 3 This utility model Figure 2 A magnified structural diagram at point A.

[0026] Figure 4 This is a three-dimensional structural diagram of the mounting bracket of this utility model.

[0027] Figure 5 This is a top view of the cabinet structure of this utility model.

[0028] Figure 6 This is a schematic diagram of the rear structure of the cabinet of this utility model.

[0029] Figure 7 This is a side view of the cabinet structure of this utility model.

[0030] Explanation of reference numerals in the attached figures

[0031] 1. Cabinet; 2. Connecting pipe; 3. Air distribution pipe; 4. Jet nozzle; 5. Support column; 6. Through slot; 7. Louver; 8. Fan; 9. Resistor structure; 10. Inner box; 11. Cable entry plate; 12. Partition; 13. Back panel; 14. Cabinet door; 15. Movable slot; 16. Screw; 17. Slide groove; 18. Driven gear; 19. Rotating rod; 20. Handwheel; 21. Drive gear; 22. Fixing plate; 23. Slider; 24. Positioning cylinder; 25. Positioning slot; 26. Mounting bracket. Detailed Implementation

[0032] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort should fall within the scope of protection of the present application.

[0033] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this application described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion; for example, a process, method, system, product, or apparatus that comprises a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units not explicitly listed or inherent to such processes, methods, products, or apparatus.

[0034] In this application, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this application and its embodiments, and are not intended to limit the indicated components, elements, or parts to having a specific orientation, or to be constructed and operated in a specific orientation.

[0035] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0036] Furthermore, the terms "installation," "setup," "equipped with," "connection," "linking," and "socketing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two components, elements, or parts. Those skilled in the art can understand the specific meaning of these terms in this application based on the specific circumstances.

[0037] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. This application will now be described in detail with reference to the accompanying drawings and embodiments.

[0038] like Figure 1-7 As shown, the grounding resistor cabinet includes a cabinet body 1 and an inner box 10. The inner box 10 is equipped with a disassembly assembly, which includes a positioning cylinder 24, a screw 16, and a drive gear 21. The inner box 10 has a movable groove 15 inside, and two fixing plates 22 are fixedly installed inside the movable groove 15. The two fixing plates 22 are rotatably connected to the screw 16 through a bearing. A driven gear 18 is fixedly installed on the screw 16. A rotating rod 19 is rotatably connected to the inner box 10 through a bearing. A handwheel 20 is fixedly installed at one end of the rotating rod 19, and a drive gear 21 is fixedly installed at the other end of the rotating rod 19. The drive gear 21 meshes with the driven gear 18. Two positioning cylinders 24 are threadedly connected to the screw 16.

[0039] The cabinet 1 is fixedly installed with air distribution pipes 3 on both the left and right inner walls. Multiple air jets 4 are connected to each of the two air distribution pipes 3 at equal intervals. Two fans 8 are fixedly installed on the cabinet 1. One side of each of the two fans 8 is connected to a connecting pipe 2. One end of each of the two connecting pipes 2 extends into the interior of the cabinet 1 and connects to the air distribution pipes 3.

[0040] In this technical solution, both screws 16 are provided with threads with opposite rotation directions at both ends, and the two positioning cylinders 24 are respectively distributed on opposite threads.

[0041] In this technical solution, the inner wall of the movable groove 15 is provided with multiple sliding grooves 17, and two sliders 23 are fixedly installed on the two positioning cylinders 24, and the two sliders 23 are slidably connected to the sliding grooves 17.

[0042] In this technical solution, a partition 12 is fixedly installed inside the cabinet 1, and two support columns 5 are fixedly installed on each of the four inner side walls of the cabinet 1 and the partition 12. One side of the multiple support columns 5 is fixedly installed to the same inner box 10.

[0043] In this technical solution, the four side walls of the inner box 10 are provided with multiple equally spaced through slots 6, and both ends of the multiple mounting brackets 26 can be inserted into the multiple through slots 6.

[0044] In this technical solution, air distribution pipes 3 are fixedly installed on the left and right inner walls of the cabinet 1, and multiple equally spaced jet heads 4 are connected to the two air distribution pipes 3.

[0045] In this technical solution, the top wall and left and right side walls of the cabinet 1 are provided with multiple louvers 7 that are evenly distributed.

[0046] In this technical solution, multiple resistor structures 9 are fixedly installed inside the inner box 10. Each end of the multiple resistor structures 9 is provided with a mounting bracket 26, and both ends of the multiple resistor structures 9 are fixed to the mounting bracket 26 by bolts.

[0047] In this technical solution, each of the multiple mounting brackets 26 has two positioning slots 25, and each of the multiple positioning cylinders 24 can extend into the interior of the through slot 6 and be inserted into the positioning slot 25.

[0048] In this technical solution, the front side of the cabinet 1 is connected to a door 14 by a hinge, and the rear side of the cabinet 1 is fixed with a back panel 13 by multiple bolts.

[0049] In this technical solution, the cabinet 1 has two cable inlets, and cable inlet plates 11 are provided at the positions of the two cable inlets on the cabinet 1. Both cable inlet plates 11 are fixed to the cabinet 1 by bolts.

[0050] In use, all electrical components mentioned in this application are externally connected to a power supply and control switch. Simultaneously, two fans 8 are activated, generating strong suction or thrust to draw air from outside the cabinet 1 into the fans 8. Multiple jet nozzles 4 on the air distribution pipe 3 further disperse the air in multiple directions, allowing the air to more evenly cover the interior space of the cabinet 1. Because the inner box 10 has multiple channels 6, air can circulate inside and outside the inner box 10 through these channels 6, creating a circulating flow within the cabinet 1. This not only removes air from the inner box 10 but also... The heat generated by the 0 can also continuously refresh the air inside the cabinet 1, keeping the air fresh. With the air flow, the heat generated by the inner box 10 and other components inside the cabinet 1 will be carried away by the air and discharged to the external environment through the louvers 7 of the cabinet 1. This can quickly remove the heat inside the cabinet 1, reduce the operating temperature of the equipment, improve the reliability and stability of the equipment, and reduce failures and damage caused by overheating. At the same time, it can maintain the air circulation inside the cabinet 1, reduce humidity, and prevent moisture accumulation, thereby effectively protecting the electrical equipment from the damage of the humid environment.

[0051] Both mounting brackets 26 are inserted into the appropriate slots 6. Then, the handwheel 20 is turned, which drives the drive gear 21 to rotate via the rotating rod 19. The drive gear 21 drives the screw 16 to rotate via the driven gear 18. With the cooperation of the sliding groove 17 and the slider 23, both positioning cylinders 24 are inserted into the positioning grooves 25. When the resistor structure 9 malfunctions or is damaged, maintenance personnel can easily remove the resistor structure 9 from the inner box 10 to inspect and adjust it, ensuring that the performance of the resistor structure 9 is always in optimal condition. By setting multiple disassembly and assembly components, the resistor structure 9 can be installed with disassembly and assembly components of different heights. The height of the resistor structure 9 can be adjusted to meet specific electrical performance requirements, improving the safety and stability of the power system. At the same time, different numbers of resistor structures 9 can be installed, allowing the grounding resistor cabinet to be flexibly configured according to specific application scenarios and needs, making it more adaptable to the needs of different users and improving the versatility and applicability of the product.

[0052] The advantages of this application are:

[0053] 1. By setting up the disassembly and assembly components, rotating the handwheel 20, the handwheel 20 drives the drive gear 21 to rotate through the rotating rod 19, and the drive gear 21 drives the screw 16 to rotate through the driven gear 18. With the cooperation of the slide groove 17 and the slider 23, both positioning cylinders 24 are inserted into the positioning groove 25. When the resistor structure 9 malfunctions or is damaged, maintenance personnel can easily remove the resistor structure 9 from the inner box 10 to inspect and adjust the resistor structure 9, ensuring that the performance of the resistor structure 9 is always in the best condition.

[0054] 2. By setting multiple disassembly and assembly components, the resistor structure 9 can be installed with disassembly and assembly components of different heights. The height of the resistor structure 9 can be adjusted to meet specific electrical performance requirements, thereby improving the safety and stability of the power system. At the same time, different numbers of resistor structures 9 can be installed, so that the grounding resistor cabinet can be flexibly configured according to specific application scenarios and needs, making it more adaptable to the needs of different users and improving the versatility and applicability of the product.

[0055] 3. By activating the two fans 8, air can circulate inside the cabinet 1, which can not only quickly remove the heat inside the cabinet 1, reduce the operating temperature of the equipment, improve the reliability and stability of the equipment, and reduce failures and damage caused by overheating, but also maintain air circulation inside the cabinet 1, reduce humidity, and prevent moisture accumulation, thereby effectively protecting electrical equipment from the damage of a humid environment.

[0056] This utility model is not limited to the above-described embodiments. Any changes in its shape or structure fall within the protection scope of this utility model. The protection scope of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the protection scope of this utility model.

Claims

1. A grounding resistance cabinet comprising a cabinet body (1), a mounting frame (26) and an inner box (10), characterized in that: The inner box (10) is equipped with a disassembly assembly, which includes a positioning cylinder (24), a screw (16), and a drive gear (21). The inner box (10) has an open movable groove (15). Two fixed plates (22) are fixedly installed inside the movable groove (15). The screw (16) is rotatably connected between the two fixed plates (22) through a bearing. A driven gear (18) is fixedly installed on the screw (16). A rotating rod (19) is rotatably connected inside the inner box (10) through a bearing. A handwheel (20) is fixedly installed at one end of the rotating rod (19). A drive gear (21) is fixedly installed at the other end of the rotating rod (19). The drive gear (21) meshes with the driven gear (18). Two positioning cylinders (24) are threadedly connected to the screw (16). The cabinet (1) has air distribution pipes (3) fixedly installed on its left and right inner walls. Each of the two air distribution pipes (3) is connected to a plurality of equally spaced jet nozzles (4). The cabinet (1) has two fans (8) fixedly installed on its side. Each of the two fans (8) is connected to a connecting pipe (2). One end of each of the two connecting pipes (2) extends into the interior of the cabinet (1) and connects to the air distribution pipes (3).

2. The grounding resistance cabinet according to claim 1, characterized in that: Both screws (16) are provided with threads with opposite rotation directions at both ends, and the two positioning cylinders (24) are respectively distributed on opposite threads.

3. The grounding resistance cabinet according to claim 1, characterized in that: The inner wall of the movable groove (15) is provided with multiple sliding grooves (17), and two sliders (23) are fixedly installed on the two positioning cylinders (24). The two sliders (23) are slidably connected to the sliding grooves (17).

4. The grounding resistance cabinet of claim 1, wherein: The cabinet (1) is fixedly installed with partitions (12). Two support columns (5) are fixedly installed on the four inner walls of the cabinet (1) and on the partitions (12). One side of multiple support columns (5) is fixedly installed to the same inner box (10).

5. The grounding resistance cabinet of claim 1, wherein: The inner box (10) has multiple equally spaced through slots (6) on its four side walls, and both ends of the multiple mounting brackets (26) can be inserted into the multiple through slots (6).

6. The grounding resistance cabinet of claim 1, wherein: The top wall and left and right side walls of the cabinet (1) are provided with multiple louvers (7) that are evenly distributed.

7. The grounding resistance cabinet of claim 1, wherein: The inner box (10) has multiple resistor structures (9) fixedly installed inside. Each of the multiple resistor structures (9) has a mounting bracket (26) at both ends. Both ends of the multiple resistor structures (9) are fixed to the mounting bracket (26) by bolts.

8. The grounding resistance cabinet of claim 7, wherein: Each of the mounting brackets (26) has two positioning slots (25), and each of the positioning cylinders (24) can extend into the interior of the through slot (6) and be inserted into the positioning slot (25).

9. The grounding resistance cabinet of claim 1, wherein: The cabinet (1) has a door (14) connected to the front side by a hinge, and a back panel (13) is fixed to the rear side of the cabinet (1) by multiple bolts.

10. The grounding resistance cabinet of claim 1, wherein: The cabinet (1) has two cable inlets, and cable inlet plates (11) are provided at the positions of the two cable inlets on the cabinet (1). The two cable inlet plates (11) are fixed to the cabinet (1) by bolts.

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