Power distribution safety detection and control structure of railway low-voltage power distribution cabinet

Abstract

The utility model discloses a railway low-voltage power distribution cabinet power distribution safety detection and control structure, which comprises a cabinet body, a sliding installation structure is arranged in the cabinet body, a line fixing structure is installed at the rear end of the cabinet body, and the front end of the cabinet body is connected with an intelligent management structure through a hinge. The sliding installation structure comprises two installation side plates, a plurality of installation rods, five installation frames, a plurality of fixing holes, a circuit breaker, an intelligent power terminal, a surge protector and five positioning assemblies. The utility model relates to the technical field of power distribution cabinets, adopts a sliding installation structure and a line fixing structure, isolates a plurality of devices through separated installation, and uses copper bars to replace cables in the cabinet; independent operation and monitoring effects among the modules can be fully ensured, the phenomenon of electromagnetic interference does not exist, and subsequent replacement and disassembly operations of the modules are facilitated.

Description

Technical Field

[0001] This utility model relates to the field of power distribution cabinet technology, specifically a power distribution safety detection and control structure for railway low-voltage power distribution cabinets. Background Technology

[0002] Intelligent low-voltage switchgear is a commonly used electrical device in modern power systems. It combines automation, information and intelligent technologies to improve the safety, stability and operating efficiency of power systems. It achieves real-time monitoring, automated control and intelligent management of low-voltage power distribution systems by integrating various sensors, controllers, monitoring equipment and communication technologies.

[0003] Current intelligent low-voltage distribution cabinets require connection to integrated electronic modules via cables during use. However, the complexity of the cables can lead to poor monitoring performance between modules, electromagnetic interference, and difficulties in subsequent module repair and replacement during monitoring and maintenance. Therefore, it is necessary to develop a new type of distribution cabinet to overcome these problems. Utility Model Content

[0004] To achieve the above objectives, this utility model is implemented through the following technical solution: a power distribution safety detection and control structure for a railway low-voltage distribution cabinet, including a cabinet body, a sliding installation structure provided inside the cabinet body, a line fixing structure installed at the rear end of the cabinet body, and an intelligent management structure connected to the front end of the cabinet body via hinges;

[0005] The sliding installation structure includes: two mounting side plates, several mounting rods, five mounting frames, several fixing holes, a circuit breaker, a smart terminal, a surge protector, and five positioning components.

[0006] Two mounting side panels are respectively installed on both sides of the cabinet body, several mounting rods are respectively installed on the side walls of the two mounting side panels, the two ends of the five mounting frames are respectively movably fitted onto the several mounting rods, several fixing holes are respectively opened on the five mounting frames, the circuit breaker is installed on one of the mounting frames by bolts, the smart power terminal is installed on one of the mounting frames by bolts, the surge protector is installed on the other mounting frame by bolts and is located below the smart power terminal, and the five positioning components are respectively embedded in the front wall surface of the five mounting rods.

[0007] Preferably, the line fixing structure includes: five fixing plates, five mounting plates, five copper busbars, a back plate, a cable channel, a clamping block, and a clamping groove;

[0008] All five fixing plates are installed on the rear side of the cabinet body. The five mounting plates are respectively installed on the upper part of the five fixing plates by bolts. The five copper busbars are respectively located on one side of the five mounting plates. The back plate is installed on the rear end of the cabinet body by bolts. The cable channel is opened at the lower center of the back plate. The clamping block is fixedly installed at the lower center of the cabinet body. The clamping groove is opened at the upper end of the clamping block.

[0009] Preferably, the intelligent management structure includes: a door, a centralized management screen for the power distribution cabinet, and a through-type cabinet status display light strip;

[0010] One end of the door is connected to the front end of the cabinet side wall via a hinge, and the power distribution cabinet centralized management screen and the through-type cabinet status display light strip are both embedded in the door.

[0011] Preferably, the mounting frame is U-shaped.

[0012] Preferably, the upper end of the back plate has several ventilation holes.

[0013] Preferably, each of the five positioning components includes: a positioning screw and a limiting plate;

[0014] The positioning screw is movably embedded in the front wall of the mounting rod, and the limiting plate is movably fitted onto the upper end of the positioning screw.

[0015] Beneficial effects

[0016] This utility model provides a power distribution safety detection and control structure for railway low-voltage switchgear, which has the following beneficial effects: The sliding installation structure and line fixing structure adopted in this invention isolate multiple devices through partitioned installation and replace the internal cables with copper busbars; it can fully guarantee the independent operation and monitoring effect between each module, without electromagnetic interference, and facilitates subsequent module replacement and disassembly operations. Furthermore, through the set intelligent management structure, it provides intelligent monitoring functions through an interactive interface such as a centralized touch screen and a through-type display light strip to quickly identify the status of the switchgear; it provides expert-level safety detection functions, intelligently identifies and locates faults, provides fault tracing paths, and reduces the skill requirements for on-site maintenance personnel. Attached Figure Description

[0017] Figure 1 This is a front-view three-dimensional structural diagram of a railway low-voltage switchgear power distribution safety detection and control structure according to the present invention;

[0018] Figure 2 This is a rear-view three-dimensional structural diagram of the power distribution safety detection and control structure of a railway low-voltage switchgear described in this utility model;

[0019] Figure 3This is a side sectional view of the power distribution safety detection and control structure of a railway low-voltage switchgear according to the present invention;

[0020] Figure 4 for Figure 1 Enlarged structural diagram at point "A" in the middle;

[0021] In the diagram: 1. Cabinet body, 2. Mounting side panel, 3. Mounting rod, 4. Mounting frame, 5. Fixing hole, 6. Circuit breaker, 7. Smart terminal, 8. Surge protector, 9. Fixing plate, 10. Mounting plate, 11. Copper busbar, 12. Back plate, 13. Cable tray, 14. Clamping block, 15. Clamping slot, 16. Door, 17. Centralized management panel for power distribution cabinet, 18. Through-type cabinet status indicator light strip, 19. Ventilation hole, 20. Positioning screw, 21. Limit plate. Detailed Implementation

[0022] Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0023] Example: Please refer to Figure 1-4 A power distribution safety detection and control structure for a railway low-voltage switchgear includes a cabinet 1, a sliding installation structure inside the cabinet 1, a line fixing structure installed at the rear end of the cabinet 1, and an intelligent management structure connected to the front end of the cabinet 1 via a hinge.

[0024] The sliding installation structure includes: two mounting side plates 2, several mounting rods 3, five mounting frames 4, several fixing holes 5, a circuit breaker 6, a smart terminal 7, a surge protector 8, and five positioning components;

[0025] Two mounting side plates 2 are respectively installed on both sides inside the cabinet 1. Several mounting rods 3 are respectively installed on the side walls of the two mounting side plates 2. The two ends of the five mounting frames 4 are respectively movably fitted onto the upper ends of the several mounting rods 3. Several fixing holes 5 are respectively opened on the five mounting frames 4. The circuit breaker 6 is installed on one of the mounting frames 4 by bolts. The smart power terminal 7 is installed on one of the mounting frames 4 by bolts. The surge protector 8 is installed on another mounting frame 4 by bolts and is located below the smart power terminal 7. Five positioning components are respectively embedded in the front wall of the five mounting rods 3.

[0026] During installation, the staff first opens the intelligent management structure using hinges. Then, according to the installation requirements, the circuit breaker 6, intelligent terminal 7, surge protector 8, and other accessories are installed on the upper part of the five mounting frames 4 with bolts. Through the several fixing holes 5, components of different specifications can be fixed. Then, the mounting frames 4 with the circuit breaker 6, intelligent terminal 7, surge protector 8, and other accessories are placed in the cabinet 1. They cooperate with the several mounting rods 3 on the upper part of the two mounting side plates 2 to provide sliding support for the five mounting frames 4. Finally, the five mounting frames 4 are slidably limited by five positioning components. Then, the circuit breaker 6, intelligent terminal 7, surge protector 8, and other accessories are powered on and connected to the intelligent management structure through the line fixing structure.

[0027] It adopts a new modular architecture, with each functional module isolated from the others, and strong and weak current systems arranged separately. The cabinet door integrates a centralized management panel 17 for the power distribution cabinet and a through-type cabinet status display light strip 18. The circuit breakers 6 of each power distribution circuit in the cabinet are compatible with mainstream brands on the market and have functions such as intelligent monitoring, safety detection, digital fine protection, intelligent interaction and local operation and maintenance management.

[0028] Product functions include: Intelligent monitoring: Realizes monitoring of circuit electrical quantities, power quality and circuit status, records fault events and fault waveforms, determines fault type and locates fault location; Provides functions such as remote control, automatic transfer switch control and combined condition control;

[0029] Safety Inspection: Conduct safety inspections on components such as cables, copper busbars 11, and circuit breakers 6 inside the intelligent electrical cabinet; conduct inspections and analyses on transformer load rate and power supply quality; promptly identify potential electrical safety hazards; and provide early warnings and reasonable handling suggestions.

[0030] Digital precision protection: It has intelligent functions of self-learning, self-adjustment and self-adaptation, and provides precision protection functions for power supply and distribution such as digital precision protection, abnormal current protection, abnormal voltage protection, self-adjusting flexible protection, phase loss protection and three-phase imbalance protection.

[0031] Intelligent interaction: The intelligent power distribution cabinet integrates status indicators and touch screens, providing functions such as local information display, data query, parameter configuration, equipment control and management;

[0032] Local operation and maintenance management: Through a local touch screen and management software, manage the intelligent power distribution cabinet and internal circuit breakers 6, intelligent power terminals 7, surge protectors 8, copper busbars 11, cables and other devices. Apply integrated intelligent diagnostic technology based on multi-form data comprehensive detection and analysis to intelligently detect and warn of the operating status, aging degree and health of these devices and components, and realize the full life cycle operation and maintenance management from design, installation, use, maintenance to retirement.

[0033] Ensuring the safety of low-voltage power supply and distribution systems: The intelligent distribution cabinet features isolated primary and secondary components, replacing internal cables with copper busbars (11); it can learn the characteristics of power distribution circuits and provide precise digital protection; it offers integrated power safety switching and electronic interlocking protection technology to avoid accidental switching; it monitors power distribution anomalies and electrical fire hazards, providing timely early warnings and maintenance to prevent electrical fires.

[0034] Efficient Operation and Maintenance: The intelligent distribution cabinet provides an interactive interface for quickly identifying the status of the distribution cabinet, such as a centralized touch screen and a through-type display light strip, and provides intelligent monitoring functions; it provides expert-level safety detection functions, intelligently identifies and locates faults, provides fault tracing paths, and reduces the skill requirements for on-site operation and maintenance personnel; it performs full life cycle management of power equipment and controls the status of power equipment throughout the entire process of its use.

[0035] Circuit breaker 6 is responsible for current protection and fault isolation, smart terminal 7 is responsible for data acquisition, analysis and early warning, and surge protector 8 ensures that voltage fluctuations do not damage the equipment. The collaboration of the three can provide comprehensive equipment status monitoring. Combined with advanced data analysis algorithms, it can realize intelligent detection, health assessment and early warning functions for low-voltage distribution cabinets.

[0036] In the specific implementation process, the line fixing structure includes: five fixing plates 9, five mounting plates 10, five copper busbars 11, back plate 12, cable trough 13, clamping block 14, and clamping groove 15;

[0037] Five fixing plates 9 are installed inside the rear side of the cabinet 1. Five mounting plates 10 are respectively installed on the upper end of the five fixing plates 9 by bolts. Five copper busbars 11 are respectively located on one side of the five mounting plates 10. The back plate 12 is installed on the rear end of the cabinet 1 by bolts. The cable tray 13 is opened at the lower center of the back plate 12. The clamping block 14 is fixedly installed at the lower center of the cabinet 1. The clamping groove 15 is opened at the upper end of the clamping block 14.

[0038] During installation, firstly, according to the usage requirements, a specified number of copper busbars 11 and mounting plates 10 are installed on the upper end of the specified fixing plate 9 with bolts, and connected to internal devices such as circuit breakers 6, smart terminals 7, and surge protectors 8. Then, the cables are connected to the copper busbars 11 to power on the internal devices. The cables are then placed in the clamping grooves 15 on the upper end of the clamping blocks 14. The back plate 12 is then fixed to the rear end of the cabinet 1 with bolts, and the cables are fixed by the cooperation of the cable grooves 13 and the clamping grooves 15.

[0039] In the specific implementation process, the intelligent management structure includes: door 16, power distribution cabinet centralized management screen 17, and through cabinet status display light strip 18;

[0040] One end of the door 16 is connected to the front end of the side wall of the cabinet 1 via a hinge. The power distribution cabinet centralized management panel 17 and the through-type cabinet status display light strip 18 are both embedded in the door 16.

[0041] The combined use of the centralized management panel 17 and the through-type cabinet status display light strip 18 can effectively enhance the power distribution cabinet's capabilities in intelligent monitoring, safety detection, digital precision protection, intelligent interaction, and local operation and maintenance management. Through their collaborative work, real-time monitoring, status feedback, early warning prompts, and convenient local operation can be achieved.

[0042] The centralized management panel is the core control and monitoring platform of the power distribution system. By connecting with the intelligent terminals, sensors, and devices of all distribution cabinets, it can collect real-time operating status data (such as current, voltage, temperature, etc.) of each distribution cabinet and summarize the data to the centralized management panel. The management panel displays the real-time status of each distribution cabinet through a graphical interface, helping maintenance personnel to understand the health status of the entire power distribution system at any time.

[0043] The through-type cabinet status display light strip 18 is located on the outside of the power distribution cabinet and consists of LED lights of various colors. It can intuitively display the operating status of each power distribution cabinet, such as normal, alarm, fault, etc. For example, green represents normal operation, yellow represents warning, and red represents fault. Through the color change of the light strip, maintenance personnel can quickly understand the status of the power distribution cabinet.

[0044] In the specific implementation process, the shape of the installation frame 4 is U-shaped.

[0045] In the specific implementation process, several ventilation holes 19 are opened at the upper end of the back plate 12.

[0046] The U-shaped mounting frame 4 provides multi-angle protection for electronic components, and the ventilation holes 19 ensure effective heat dissipation for the electronic components inside the cabinet 1.

[0047] In the specific implementation process, each of the five positioning components includes: a positioning screw 20 and a limiting plate 21;

[0048] The positioning screw is movably embedded in the front wall of the mounting rod 3, and the limiting plate 21 is movably fitted onto the positioning screw 20.

[0049] When installing the mounting frame 4, the limiting plate 21 is fitted onto the upper end of the positioning screw 20, and then the positioning screw 20 is embedded into the mounting rod 3 to fix the limiting plate 21. The limiting plate 21 limits one side of the mounting frame 4. When replacing the electrical accessories at the upper end of the mounting frame 4, only the positioning screw 20 needs to be removed to remove the mounting frame 4 and replace the accessories.

[0050] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A railway low-voltage power distribution cabinet power distribution safety detection and control structure, comprising a cabinet body (1), characterized in that, The cabinet body (1) is provided with a sliding installation structure, the rear end of the cabinet body (1) is provided with a line fixing structure, and the front end of the cabinet body (1) is connected with an intelligent management structure through a hinge; The sliding installation structure comprises two installation side plates (2), a plurality of installation rods (3), five installation frames (4), a plurality of fixing holes (5), a circuit breaker (6), an intelligent electric terminal (7), a surge protector (8) and five positioning assemblies; The two installation side plates (2) are respectively installed on the two sides in the cabinet body (1), the plurality of installation rods (3) are respectively installed on the side walls of the two installation side plates (2), the two ends of the five installation frames (4) are movably sleeved on the installation rods (3), the plurality of fixing holes (5) are respectively formed in the five installation frames (4), the circuit breaker (6) is installed on one of the installation frames (4) through bolts, the intelligent electric terminal (7) is installed on one of the installation frames (4) through bolts, the surge protector (8) is installed on another installation frame (4) below the intelligent electric terminal (7) through bolts, and the five positioning assemblies are respectively embedded in the front wall surfaces of the five installation rods (3).

2. The power distribution safety detection and control structure of a railway low-voltage power distribution cabinet according to claim 1, characterized in that, The line fixing structure comprises five fixing plates (9), five mounting plates (10), five copper bars (11), a back plate (12), a cable groove (13), a clamping block (14) and a clamping groove (15); The five fixing plates (9) are all installed on the rear side in the cabinet body (1), the five mounting plates (10) are respectively installed on the upper ends of the five fixing plates (9) through bolts, the five copper bars (11) are respectively located on one side of the five mounting plates (10), the back plate (12) is installed on the rear end of the cabinet body (1) through bolts, the cable groove (13) is formed in the center of the lower end of the back plate (12), the clamping block (14) is fixedly installed on the center of the lower end of the cabinet body (1), and the clamping groove (15) is formed in the upper end of the clamping block (14).

3. The power distribution safety detection and control structure of a railway low-voltage power distribution cabinet according to claim 1, characterized in that, The intelligent management structure comprises a door body (16), a power distribution cabinet centralized management screen (17) and a through cabinet state display lamp strip (18). One end of the door body (16) is connected with the front end of the side wall of the cabinet body (1) through a hinge, and the power distribution cabinet centralized management screen (17) and the through cabinet state display lamp strip (18) are embedded in the door body (16).

4. The power distribution safety detection and control structure of a railway low-voltage power distribution cabinet according to claim 1, characterized in that, The installation frame (4) is in the shape of U.

5. The power distribution safety detection and control structure of a railway low-voltage power distribution cabinet according to claim 2, characterized in that, A plurality of air holes (19) are formed in the upper end of the back plate (12).

6. The power distribution safety detection and control structure of a railway low voltage power distribution cabinet according to claim 1, characterized in that, The positioning assembly comprises a positioning screw (20) and a limiting plate (21). The positioning screw is movably embedded in the front wall surface of the installation rod (3), and the limiting plate (21) is movably sleeved on the upper end of the positioning screw (20).

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