Low voltage cabinet with independent cable compartments

Abstract

The utility model discloses a low -voltage cabinet with independent cable compartment, it includes cabinet, baffle subassembly, cable fixing device and sealing mechanism. The cabinet is divided into multiple functional areas through baffle subassembly in, and the cable compartment is completely isolated with main control area, and the inside of baffle is provided with guide rail and is guided and is arranged, and cable fixing device is fixed cable through clamping subassembly accurately, and sealing mechanism enhances the sealed performance of compartment, and the bottom drain hole prevents ponding, and the outside observation window is convenient for monitoring. The application can improve cable wiring safety and operation efficiency, optimize equipment structure, have higher practical value and popularization significance.

Description

Technical Field

[0001] This utility model relates to the field of electrical equipment technology, and in particular to a low-voltage switchgear with an independent cable compartment. Background Technology

[0002] Low-voltage switchgear is a crucial piece of equipment in power systems used for distributing and controlling electrical energy, and it is widely used in industrial, commercial, and civil buildings. Its main functions include power distribution, line protection, and equipment control. Low-voltage switchgear typically houses key components such as circuit breakers, contactors, and cable connection terminals. The proper layout of these components is of great importance to the safety, reliability, and ease of maintenance of the equipment.

[0003] Currently, some existing low-voltage switchgear has certain design limitations. For example, cable connection areas often share the same space with other functional areas, making them susceptible to interference from other components during installation or maintenance. Furthermore, while some low-voltage switchgear have dedicated cable compartments, the compartments lack independence and sealing, potentially posing safety hazards in actual use, such as decreased cable insulation performance due to external environmental factors or accidental contact leading to accidents. Additionally, existing designs still have room for improvement in cable routing and fixing methods to further enhance operational efficiency and safety. Therefore, we propose a low-voltage switchgear with independent cable compartments to optimize its structural design and improve overall performance. Utility Model Content

[0004] The purpose of this utility model is to provide a low-voltage switchgear with an independent cable compartment, which solves the problems mentioned in the background art.

[0005] This invention is implemented as follows: a low-voltage switchgear with an independent cable compartment includes a cabinet body, a partition assembly, a cable fixing device, and a sealing mechanism. The cabinet body is internally divided into multiple independent functional areas by the partition assembly, with the cable compartment located on one side of the cabinet and completely isolated from the main control area. The partition assembly consists of multiple partitions, which are fixedly connected by slots and bolts to form a closed cable compartment. Guide rails are provided on the inner side of the partitions to guide the cable routing path, reducing bending and stress concentration during cable laying.

[0006] The cable fixing device includes a fixing bracket and a clamping assembly. The fixing bracket is fixed to the inner wall of the partition by welding or bolts. The clamping assembly includes a pair of arc-shaped clamps connected by spring hinges. Anti-slip pads are provided on the inner side of the clamps to enhance the clamping force on the cable and protect the cable sheath. The clamping assembly is fixed to the fixing bracket by bolts, and the clamping force can be adjusted according to the cable diameter to ensure that the cable does not loosen or shift during operation.

[0007] Preferably, the inner side of the partition assembly is provided with multiple sets of guide rails. Each set of guide rails consists of two parallel metal strips. The surface of the metal strips is provided with anti-slip texture to increase friction and prevent the cable from slipping during wiring. The two ends of the guide rails are fixed to the inner wall of the partition with bolts, and the spacing between the guide rails can be adjusted according to actual needs to adapt to the wiring requirements of different cable specifications.

[0008] Preferably, the sealing mechanism includes a sealing strip and a pressing device. The sealing strip is made of a flexible material and is embedded in the edge groove of the partition assembly to enhance the sealing performance between the partitions. The pressing device includes a pressing plate and an adjusting bolt. The pressing plate is fixed to the outside of the partition by the adjusting bolt. By rotating the adjusting bolt, the pressure of the pressing plate on the sealing strip can be adjusted, thereby optimizing the sealing effect.

[0009] Preferably, the bottom of the cable compartment is provided with a drain hole, and a filter screen is installed inside the drain hole to prevent external impurities from entering the compartment, while effectively draining water accumulated due to condensation or leakage. The drain hole is located near the edge of the cabinet for easy and rapid drainage of water.

[0010] Preferably, an observation window is provided on the outer side of the cabinet. The observation window is made of transparent tempered glass, embedded in the panel of the cabinet, and fixed with sealant, for real-time observation of the operating status inside the cable compartment. Reinforcing ribs are provided around the observation window to improve its impact resistance.

[0011] Preferably, the top of the partition assembly is provided with a ventilation opening, and a fan module is installed inside the ventilation opening. The fan module is fixed to the top of the partition with bolts to promote air circulation in the cable compartment and reduce heat accumulation generated during cable operation. Both the air inlet and outlet of the fan module are equipped with filters to prevent dust from entering the compartment.

[0012] Preferably, the cabinet has a removable base plate at the bottom, which is bolted to the bottom frame of the cabinet. The surface of the base plate has anti-slip texture to enhance stability during installation. Positioning pin holes are provided at the four corners of the base plate for use with ground fixing devices to ensure that the cabinet does not shift after installation.

[0013] Preferably, an identification plate is provided on the outer side of the partition assembly. The identification plate is fixed to the surface of the partition by a magnetic patch and is used to mark the cable number and route for easy maintenance and repair. The surface of the identification plate is provided with a waterproof coating to prevent the lettering from becoming blurred due to a humid environment.

[0014] Compared with the prior art, the technical solution of this utility model has the following characteristics:

[0015] 1) This utility model completely isolates the cable compartment from the main control area through a partition assembly, avoiding interference with other functional areas during cable wiring and improving the safety and reliability of the equipment. The sealing mechanism of the partition assembly enhances the sealing performance of the compartment through sealing strips and clamping devices, effectively preventing the influence of external environmental factors on the cable.

[0016] 2) This utility model features a guide rail inside the partition assembly to guide the cable routing path, reducing bending and stress concentration during cable laying and extending cable lifespan. The cable fixing device achieves precise cable fixation through clamping components and fixing brackets, preventing cable loosening or displacement during operation.

[0017] 3) This utility model features a drainage hole at the bottom of the cable compartment, equipped with a filter screen, which effectively drains accumulated water and prevents the cable insulation performance from deteriorating due to water accumulation. The observation window on the outside of the cabinet facilitates real-time monitoring of the compartment's operating status, improving the ease of equipment maintenance.

[0018] 4) This invention promotes air circulation within the cable compartment through a fan module, reducing heat buildup during cable operation and further improving equipment operational stability. The design of the identification plate facilitates labeling cable information and simplifies subsequent maintenance and repair procedures.

[0019] This utility model, through the above-mentioned technical means, solves the shortcomings of the existing low-voltage switchgear in cable compartment design, optimizes the overall structure of the equipment, and improves operating efficiency and safety, thus having high practical value and promotion significance. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention, showing the overall layout of the cabinet interior divided into multiple independent functional areas by a partition assembly. The cable compartment is located on one side of the cabinet and is completely isolated from the main control area.

[0021] Figure 2 This is a partial enlarged view of the partition assembly and cable fixing device, showing the specific structure of the guide rail and cable fixing device on the inner side of the partition, including the installation method of the fixing bracket and clamping assembly and their connection relationship with the partition.

[0022] Figure 3 The detailed diagrams show the sealing mechanism and drainage holes, highlighting the structural design of the sealing strips on the edge of the partition assembly, the clamping device, and the drainage holes at the bottom of the cable compartment, emphasizing how the sealing and drainage functions are achieved.

[0023] The attached diagram is labeled as follows: 1. Cabinet; 2. Partition assembly; 3. Cable fixing device; 4. Fixing bracket; 5. Clamping assembly; 6. Guide rail; 7. Sealing strip; 8. Pressing device; 9. Drain hole; 10. Observation window; 11. Fan module; 12. Base plate; 13. Sign. Detailed Implementation

[0024] This utility model relates to a low-voltage switchgear with an independent cable compartment, the structure of which is as follows: Figures 1 to 3 As shown, cabinet 1 is an integral frame structure, internally divided into multiple independent functional areas by partition assembly 2. Partition assembly 2 consists of multiple partitions, which are connected by slots and bolts to form a closed structure. The cable compartment is located on one side of cabinet 1 and is completely isolated from the main control area. Guide rails 6 are installed on the inner side of partition assembly 2. Guide rails 6 consist of two parallel metal strips with anti-slip textures on their surfaces. Both ends of guide rails 6 are fixed to the inner wall of the partition with bolts. The spacing between guide rails 6 can be adjusted according to actual needs to accommodate the wiring paths of cables of different specifications.

[0025] The cable fixing device 3 includes a fixing bracket 4 and a clamping assembly 5. The fixing bracket 4 is fixed to the inner wall of the partition assembly 2 by welding or bolts. The clamping assembly 5 consists of a pair of arc-shaped clamps connected by spring hinges, and anti-slip pads are provided on the inner side of the clamps. The clamping assembly 5 is fixed to the fixing bracket 4 by bolts. The clamping force can be changed by adjusting the bolts through the openings of the arc-shaped clamps, thereby fixing the cable. The installation positions of the clamping assembly 5 are distributed along the guide rail 6 to ensure that the cable can be effectively fixed during the wiring process and reduce bending stress.

[0026] The partition assembly 2 has a sealing mechanism at its edge, which includes a sealing strip 7 and a pressing device 8. The sealing strip 7 is embedded in the edge groove of the partition assembly 2. The pressing device 8 consists of a pressing plate and an adjusting bolt. The pressing plate is fixed to the outside of the partition assembly 2 by the adjusting bolt. Rotating the adjusting bolt adjusts the pressure of the pressing plate on the sealing strip 7, thereby optimizing the sealing performance between the partitions. The bottom of the cable compartment has a drain hole 9, which is close to the edge of the cabinet 1 for easy and rapid drainage of accumulated water. A filter screen is installed inside the drain hole 9 to prevent external impurities from entering the compartment.

[0027] An observation window 10, made of transparent tempered glass, is located on the outer side of cabinet 1 and is embedded in the panel of cabinet 1 and fixed with sealant. Reinforcing ribs surround the observation window 10 to improve impact resistance. A ventilation opening is located at the top of the partition assembly 2, and a fan module 11 is installed inside the ventilation opening. The fan module 11 is fixed to the top of the partition assembly 2 with bolts. Both the air inlet and outlet of the fan module 11 are equipped with filters to prevent dust from entering the compartment. The operation of the fan module 11 is controlled by a temperature control switch. When the temperature inside the cable compartment exceeds a set value, the fan module 11 starts to promote air circulation and reduce heat accumulation during cable operation.

[0028] The bottom of cabinet 1 is equipped with a removable base plate 12, which is fixed to the bottom frame of cabinet 1 by bolts. The surface of base plate 12 has anti-slip texture, and there are positioning pin holes at the four corners for use with ground fixing devices. A label 13 is provided on the outside of partition assembly 2. The label 13 is fixed to the surface of partition assembly 2 by magnetic patches and is used to mark cable numbers and routes. The surface of label 13 has a waterproof coating to prevent the lettering from becoming blurred in a humid environment.

[0029] In practical applications, the installation process of the low-voltage switchgear is as follows: First, assemble the partition assembly 2 and fix it inside the cabinet 1, ensuring that the connection between the partitions is tight and the sealing strip 7 is correctly embedded in the groove. Then, adjust the pressure of the clamping device 8 by adjusting the bolts to achieve the best sealing performance between the partition assemblies 2. When laying cables, adjust the spacing of the guide rails 6 according to actual needs and lay the cables along the guide rails 6, while using the clamping assembly 5 to fix the cables. During the cable fixing process, adjust the bolts of the clamping assembly 5 to ensure that the clamping force is moderate, and avoid affecting the operational stability due to cable loosening or displacement.

[0030] During installation, the drain hole 9 at the bottom of the cable compartment must be checked for a clean filter to ensure that accumulated water can drain smoothly and that external impurities cannot enter. After installation, the fan module 11 must be tested to ensure it can start normally under high temperatures and effectively reduce the temperature inside the compartment. The observation window 10 must be installed with sealant applied evenly to prevent external moisture from seeping into the cabinet 1. The identification plate 13 must be labeled according to the actual cable number and route for quick identification during subsequent maintenance and repair.

[0031] This invention achieves complete isolation between the cable compartment and the main control area through the partition assembly 2, and enhances the compartment's sealing and drainage capacity through the design of the sealing mechanism and drainage holes 9. The combination of the guide rail 6 and the cable fixing device 3 reduces bending stress during cable laying, improving cable lifespan. The fan module 11 effectively reduces temperature buildup within the compartment, and the design of the identification plate 13 simplifies the maintenance process, ensuring a comprehensive improvement in the safety and reliability of the equipment.

[0032] To enable those skilled in the art to fully understand and implement this utility model, the specific implementation principle of this utility model is further explained below in conjunction with a specific application scenario.

[0033] First, during the installation of the low-voltage switchgear, the operator must assemble and secure the partition assembly 2 inside the cabinet 1. The partition assembly 2 consists of multiple partitions connected by slots and bolts to form a closed structure, ensuring complete isolation between the cable compartment and the main control area. After the sealing strip 7 is embedded into the edge of the partition assembly 2, the pressure of the clamping plate on the sealing strip 7 is adjusted using the adjusting bolts in the clamping device 8, thereby optimizing the sealing performance between the partitions. The core of this step lies in effectively preventing external moisture or impurities from entering the cable compartment through the flexible material properties of the sealing strip 7 and the mechanical adjustment function of the clamping device 8, thus improving the safety and reliability of the equipment.

[0034] Secondly, during the cable laying phase, operators adjust the spacing of the guide rails 6 according to actual needs. Guide rails 6 consist of two parallel metal strips with anti-slip textured surfaces to increase friction and prevent cable slippage during installation. Both ends of the guide rails 6 are bolted to the inner wall of the partition, and their spacing can be flexibly adjusted according to the requirements of different cable specifications. When the cable is laid along the guide rails 6, the clamping assembly 5 is installed on the inner wall of the partition via the fixing bracket 4. The arc-shaped clamping plate is connected by a spring hinge, and the clamping force is adjusted by adjusting the bolts to ensure the cable is firmly fixed and its operational stability is not affected by loosening or displacement. This design extends the cable's service life by reducing bending stress during installation.

[0035] Subsequently, during the installation of the drain hole 9 at the bottom of the cable compartment, the operator needs to check whether the filter screen is intact. Drain hole 9 is located near the edge of cabinet 1, facilitating rapid drainage of accumulated water. Simultaneously, the filter screen's design prevents external impurities from entering the compartment. This structure, utilizing the principle of gravity drainage combined with the physical barrier effect of the filter screen, effectively solves the problem of water accumulation caused by condensation or leakage, further enhancing the protective performance of the cable compartment.

[0036] Next, after the fan module 11 is installed, an operational test is required. The fan module 11 is controlled by a temperature control switch. When the temperature inside the cable compartment exceeds the set value, the fan starts to promote air circulation and reduce heat buildup during cable operation. Both the air inlet and outlet of the fan module 11 are equipped with filters to prevent dust from entering the compartment. This design, through the automatic adjustment function of the temperature control switch combined with the forced ventilation capacity of the fan module 11, avoids the problem of decreased cable insulation performance due to high temperatures, thereby improving the operational stability of the equipment.

[0037] During the installation of the observation window 10, the operator must ensure that the sealant is applied evenly to embed the transparent tempered glass observation window 10 into the panel of the cabinet 1 and achieve a sealed fixation. The reinforcing ribs around the observation window 10 improve its impact resistance, allowing the operator to monitor the operating status of the cable compartment in real time through the observation window. This design, through the combination of transparent material and sealant, achieves both easy observation and prevention of moisture infiltration.

[0038] Finally, during the installation of sign 13, operators labeled the cables according to their actual numbers and routes. Sign 13 was fixed to the surface of partition assembly 2 using magnetic patches, and its waterproof coating prevented the lettering from becoming blurred due to moisture. This design simplifies the maintenance process through the convenient fixing method of magnetic patches and the protective function of the waterproof coating, ensuring that cable information can be quickly identified during subsequent maintenance.

[0039] In summary, this utility model achieves complete isolation between the cable compartment and the main control area through the partition assembly 2. Furthermore, the design of the sealing mechanism, drainage hole 9, guide rail 6, cable fixing device 3, fan module 11, and identification plate 13 addresses the shortcomings of existing low-voltage switchgear in terms of sealing performance, drainage capacity, cable wiring fixing methods, and ease of maintenance. The synergistic effect of these components not only enhances the safety and reliability of the equipment but also significantly improves operational efficiency and maintenance convenience, demonstrating high practical value and potential for widespread adoption.

[0040] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A low-voltage switchgear with an independent cable compartment, comprising: The cabinet (1) and partition assembly (2) are characterized in that: the interior of the cabinet (1) is divided into multiple independent functional areas by the partition assembly (2), wherein the cable compartment is located on one side of the cabinet (1) and is completely isolated from the main control area, the partition assembly (2) is composed of multiple partitions and is fixedly connected by slots and bolts, and a guide rail (6) is provided on the inner side of the partition, the guide rail (6) is used to guide the cable wiring path.

2. A low-voltage switchgear with an independent cable compartment according to claim 1, characterized in that: It also includes a cable fixing device (3), which includes a fixing bracket (4) and a clamping assembly (5). The fixing bracket (4) is fixed to the inner wall of the partition assembly (2) by welding or bolts. The clamping assembly (5) includes a pair of arc-shaped clamps connected by spring hinges. Anti-slip pads are provided on the inner side of the clamps. The clamping assembly (5) is fixed to the fixing bracket (4) by bolts.

3. A low-voltage switchgear with an independent cable compartment according to claim 1, characterized in that: It also includes a sealing mechanism, which includes a sealing strip (7) and a pressing device (8). The sealing strip (7) is embedded in the edge groove of the partition assembly (2), and the pressing device (8) includes a pressing plate and an adjusting bolt. The pressing plate is fixed to the outside of the partition assembly (2) by the adjusting bolt.

4. A low-voltage switchgear with an independent cable compartment according to claim 1, characterized in that: The bottom of the cable compartment is provided with a drain hole (9), which is close to the edge of the cabinet (1). A filter screen is installed on the inside of the drain hole (9).

5. A low-voltage switchgear with an independent cable compartment according to claim 1, characterized in that: An observation window (10) is provided on the outside of the cabinet (1). The observation window (10) is made of transparent tempered glass and is embedded in the panel of the cabinet (1). Reinforcing ribs are provided around the observation window (10).

6. A low-voltage switchgear with an independent cable compartment according to claim 1, characterized in that: The top of the partition assembly (2) is provided with a ventilation opening, and a fan module (11) is installed inside the ventilation opening. The fan module (11) is fixed to the top of the partition assembly (2) by bolts. Both the air inlet and air outlet of the fan module (11) are provided with filters.

7. A low-voltage switchgear with an independent cable compartment according to claim 1, characterized in that: The bottom of the cabinet (1) is provided with a detachable base plate (12), which is fixed to the bottom frame of the cabinet (1) by bolts. The surface of the base plate (12) is provided with anti-slip texture, and the four corners of the base plate (12) are provided with positioning pin holes.

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