Alarm device of direct-current power supply cabinet

Abstract

The utility model relates to the technical field of power equipment, and discloses a DC power supply cabinet alarm device, which comprises a cabinet body, a control module arranged on the right side of the cabinet body and a signal input module arranged in the cabinet body, and the cabinet body comprises a cabinet shell. According to the alarm device for the direct-current power supply cabinet, data analysis processing is carried out on digital signals received by the signal input module from the output port of the power supply cabinet through the processor, the memory is used for storing analyzed data, the program memory is used for storing program data, and when it is detected that the output signals of the direct-current power supply cabinet are abnormal, the processor is started. And the control module controls the audible and visual alarm to work to give an alarm, so that the problems that in the working process of the direct-current power supply cabinet, equipment faults are often caused by unstable voltage and current, power management personnel cannot receive fault information in time, the equipment faults cannot be processed in time, and the management efficiency of power equipment is influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric power equipment, in particular to an alarm device for a DC power supply cabinet. Background Art

[0002] Power equipment mainly includes two categories: power generation equipment and power supply equipment. The power supply equipment mainly includes transmission lines, transformers, contactors, etc. of various voltage levels.

[0003] DC power supply cabinets are used as current supply equipment in substations. During the operation of DC power supply cabinets, equipment failures often occur due to unstable voltage and current, and power management personnel cannot receive fault information in a timely manner. As a result, equipment failures cannot be handled in a timely manner, affecting the management efficiency of power equipment.

[0004] Therefore, those skilled in the art provide a DC power cabinet alarm device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the utility model is to provide an alarm device for a DC power supply cabinet to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A DC power cabinet alarm device comprises a cabinet body, a control module installed on the right side of the cabinet body, and a signal input module installed inside the cabinet body, wherein the cabinet body comprises a cabinet shell, the control module is installed on the right side of the cabinet shell, and a power cabinet output port is installed at the bottom of the inner cavity of the cabinet shell;

[0008] The signal input module includes a signal input terminal, a signal converter, a current and voltage detector, and a filter. One end of the signal input terminal is connected to the front side of the output port of the power cabinet, the output end of the signal input terminal is unidirectionally electrically connected to the input end of the filter, the output end of the signal converter is unidirectionally electrically connected to the input end of the filter, and the output end of the filter is unidirectionally electrically connected to the input end of the current and voltage detector;

[0009] The output end of the signal input module is unidirectionally electrically connected to an A / D converter, the output end of the A / D converter is unidirectionally electrically connected to the input end of the control module, the output end of the control module is unidirectionally electrically connected to an audible and visual alarm, and the audible and visual alarm is fixed to the top of the cabinet shell.

[0010] As a further solution of the present invention: the control module includes a processor, a program memory and a memory, the output end of the processor is unidirectionally electrically connected to the input ends of the program memory and the memory respectively, and the input end of the processor is unidirectionally electrically connected to the output end of the signal input module.

[0011] As a further solution of the utility model: mounting frames are installed on both sides of the inner cavity of the cabinet shell, and mounting holes are opened on the front and back sides of the inner cavity of the mounting frame. The number of the mounting holes is multiple and is equidistantly distributed inside the mounting frame. A connecting block is fixedly connected to the outer side of the mounting frame, and one side of the connecting block is fixedly connected to the inner wall of the cabinet shell.

[0012] As a further solution of the utility model: both sides of the top of the output port of the power cabinet are fixedly connected with fixing frames, the front and back sides of the inner cavity of the fixing frame are installed with connecting bolts, and one side of the fixing frame is connected to the inner wall of the cabinet shell through the connecting bolts.

[0013] As a further solution of the utility model: the front side of the cabinet shell is movably connected to a cabinet door via a hinge, and the right side of the front side of the cabinet door is fixedly connected to a handle, and the handle is arranged in a semicircular structure.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model receives the digital signal from the output port of the power cabinet through the processor, performs data analysis and processing, and the memory is used to store the analyzed data, and the program memory stores the program data. When the output signal of the DC power cabinet is detected to be abnormal, the control module will control the sound and light alarm to alarm, which solves the problem that during the operation of the DC power cabinet, the equipment fails due to unstable voltage and current, and the power management personnel cannot receive the fault information in time, so the equipment failure cannot be handled in time, affecting the efficiency of power equipment management.

[0016] 2. The utility model can be applied to installation and positioning at different positions by setting the mounting frame and the mounting holes, so as to facilitate the installation of power components. At the same time, the setting of the connecting block can improve the stability of the connection between the mounting frame and the cabinet shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a DC power supply cabinet alarm device;

[0018] Figure 2 It is a connection diagram of the output port structure of a power supply cabinet in a DC power supply cabinet alarm device;

[0019] Figure 3 This is a schematic diagram of the system principle of a DC power supply cabinet alarm device;

[0020] Figure 4 This is a simplified diagram of a control module system in a DC power supply cabinet alarm device;

[0021] Figure 5 The following is a schematic diagram of a signal input module system in a DC power supply cabinet alarm device.

[0022] In the figure: 1. cabinet body; 11. cabinet shell; 12. power cabinet output port; 13. cabinet door; 14. handle; 15. mounting bracket; 16. mounting hole; 17. connecting block; 18. fixing bracket; 19. connecting bolt; 2. sound and light alarm; 3. control module; 31. processor; 32. program memory; 33. memory; 4. signal input module; 41. signal input terminal; 42. signal converter; 43. current and voltage detector; 44. filter; 5. A / D converter. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-5 , a DC power cabinet alarm device, comprising a cabinet 1 and a control module 3 installed on the right side of the cabinet 1 and a signal input module 4 installed inside the cabinet 1, the cabinet 1 comprises a cabinet shell 11, the control module 3 is installed on the right side of the cabinet shell 11, and a power cabinet output port 12 is installed at the bottom of the inner cavity of the cabinet shell 11;

[0025] The signal input module 4 includes a signal input terminal 41, a signal converter 42, a current and voltage detector 43 and a filter 44. One end of the signal input terminal 41 is connected to the front side of the output port 12 of the power cabinet, the output end of the signal input terminal 41 is unidirectionally electrically connected to the input end of the filter 44, the output end of the signal converter 42 is unidirectionally electrically connected to the input end of the filter 44, and the output end of the filter 44 is unidirectionally electrically connected to the input end of the current and voltage detector 43;

[0026] The output end of the signal input module 4 is unidirectionally electrically connected to the A / D converter 5, the output end of the A / D converter 5 is unidirectionally electrically connected to the input end of the control module 3, the output end of the control module 3 is unidirectionally electrically connected to the sound and light alarm 2, and the sound and light alarm 2 is fixed to the top of the cabinet shell 11.

[0027] Specifically, the control module 3 includes a processor 31, a program memory 32 and a memory 33. The output end of the processor 31 is unidirectionally electrically connected to the input ends of the program memory 32 and the memory 33, respectively, and the input end of the processor 31 is unidirectionally electrically connected to the output end of the signal input module 4. Through the above technical solution and the setting of the control module 3, the received digital signal can be analyzed and processed, and the analyzed data can be stored, and the program data can be stored.

[0028] Specifically, mounting frames 15 are installed on both sides of the inner cavity of the cabinet shell 11, and mounting holes 16 are opened on the front and back sides of the inner cavity of the mounting frame 15. The number of mounting holes 16 is set in multiples and is equidistantly distributed inside the mounting frame 15. A connecting block 17 is fixedly connected to the outer side of the mounting frame 15, and one side of the connecting block 17 is fixedly connected to the inner wall of the cabinet shell 11. Through the above technical scheme, through the setting of the mounting frame 15 and the mounting holes 16, it can be suitable for installation and positioning at different positions, so that the installation of power components can be facilitated. At the same time, the setting of the connecting block 17 can improve the stability of the connection between the mounting frame 15 and the cabinet shell 11.

[0029] Specifically, both sides of the top of the power cabinet output port 12 are fixedly connected with a fixing frame 18, and the front and back sides of the inner cavity of the fixing frame 18 are installed with connecting bolts 19. One side of the fixing frame 18 is connected to the inner wall of the cabinet shell 11 through the connecting bolts 19. Through the above technical solution, through the setting of the fixing frame 18 and the connecting bolts 19, the power cabinet output port 12 can be conveniently fixed to the inside of the cabinet shell 11, so that the power cabinet output port 12 can be easily installed and removed.

[0030] Specifically, the front side of the cabinet shell 11 is movably connected to the cabinet door 13 through a hinge, and the right side of the front side of the cabinet door 13 is fixedly connected to a handle 14, and the handle 14 is arranged in a semicircular structure. Through the above technical scheme, the cabinet shell 11 is closed by the arrangement of the cabinet door 13, and at the same time, the arrangement of the handle 14 can facilitate the operator to push and pull the cabinet door 13.

[0031] The working principle of the utility model is: first, the fixing frame 18 is installed inside the cabinet shell 11 by connecting bolts 19, so that the position of the power cabinet output port 12 can be fixed, and then the signal input module 4 is installed at the front end of the power cabinet output port 12, and then the signal input terminal 41 in the signal input module 4 is connected to the power cabinet output port 12, the filter 44 converts the analog signal into a digital signal, and the current and voltage are detected by the filter 44, and the current and voltage detector 43 filters the signal to ensure that the data is accurate, and the signal input module 4 receives the digital signal from the power cabinet output port 12 through the processor 31, and performs data analysis and processing, and the memory 33 is used to store the analyzed data, and the program memory 32 stores the program data. When the DC power cabinet output signal is detected to be abnormal, the control module 3 will control the sound and light alarm 2 to work and alarm.

[0032] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A DC power cabinet alarm device, comprising a cabinet (1), a control module (3) installed on the right side of the cabinet (1), and a signal input module (4) installed inside the cabinet (1), characterized in that: The cabinet body (1) comprises a cabinet shell (11), the control module (3) is installed on the right side of the cabinet shell (11), and a power cabinet output port (12) is installed at the bottom of the inner cavity of the cabinet shell (11); The signal input module (4) comprises a signal input end (41), a signal converter (42), a current and voltage detector (43) and a filter (44); one end of the signal input end (41) is connected to the front side of the output port (12) of the power cabinet; the output end of the signal input end (41) is unidirectionally electrically connected to the input end of the filter (44); the output end of the signal converter (42) is unidirectionally electrically connected to the input end of the filter (44); and the output end of the filter (44) is unidirectionally electrically connected to the input end of the current and voltage detector (43); The output end of the signal input module (4) is unidirectionally electrically connected to an A / D converter (5), the output end of the A / D converter (5) is unidirectionally electrically connected to the input end of the control module (3), the output end of the control module (3) is unidirectionally electrically connected to an audible and visual alarm (2), and the audible and visual alarm (2) is fixed to the top of the cabinet shell (11).

2. A DC power supply cabinet alarm device according to claim 1, characterized in that: The control module (3) comprises a processor (31), a program memory (32) and a memory (33); the output end of the processor (31) is unidirectionally electrically connected to the input ends of the program memory (32) and the memory (33), respectively, and the input end of the processor (31) is unidirectionally electrically connected to the output end of the signal input module (4).

3. A DC power supply cabinet alarm device according to claim 1, characterized in that: Mounting frames (15) are installed on both sides of the inner cavity of the cabinet shell (11); mounting holes (16) are provided on the front and back sides of the inner cavity of the mounting frame (15); a plurality of mounting holes (16) are provided and are equidistantly distributed inside the mounting frame (15); a connecting block (17) is fixedly connected to the outer side of the mounting frame (15); and one side of the connecting block (17) is fixedly connected to the inner wall of the cabinet shell (11).

4. A DC power supply cabinet alarm device according to claim 1, characterized in that: Both sides of the top of the power cabinet output port (12) are fixedly connected to a fixing frame (18), the front and back sides of the inner cavity of the fixing frame (18) are installed with connecting bolts (19), and one side of the fixing frame (18) is connected to the inner wall of the cabinet shell (11) through the connecting bolts (19).

5. The DC power supply cabinet alarm device according to claim 1, characterized in that: The front side of the cabinet shell (11) is movably connected to a cabinet door (13) via a hinge, and the right side of the front side of the cabinet door (13) is fixedly connected to a handle (14), and the handle (14) is arranged in a semicircular structure.

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