Modularized secondary screen cabinet

Abstract

The utility model provides a modularized secondary screen cabinet, which comprises a cabinet body, a secondary equipment integral module and a grid, and is characterized in that the secondary equipment integral module comprises secondary protection measurement and control equipment, a test box, an accessory group, a front panel, a wire slot, a connector and an integral module frame and is arranged in the cabinet body; the grids are installed on the left side and the right side in the cabinet body. By adopting a structure that the integral secondary equipment module can be moved out integrally, the integral secondary equipment module can be flexibly replaced and transformed as a unit; an internal terminal strip of the screen cabinet is omitted, and an external loop cable is designed into a standardized plug-and-play interface through a connector, so that connection with primary equipment is realized. In addition, a test box is installed in the overall module of the secondary equipment, so that secondary protection measurement and control equipment and loop test can be conveniently realized in front of the screen cabinet. According to the technical scheme of the utility model, the time for secondary screen cabinet wiring and on-site cable construction is reduced, on-site rapid maintenance and replacement can be realized, and the reliability is improved while the production and construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of secondary equipment of transformer substations, in particular to a modular secondary panel cabinet. Background Art

[0002] At present, the secondary equipment of the substation is installed in the secondary panel cabinet. The secondary equipment and its related accessories are connected to the terminal blocks on both sides of the panel cabinet through wires, and then connected to the primary equipment through cables to realize the collection and control of the analog and signal quantities of the primary equipment. In the factory, the panel cabinet is used to test and verify the circuit wiring inside the panel through the terminal block. At the substation site, debugging and operation are also implemented through the panel cabinet terminal block. This method makes the internal wiring of the panel cabinet, circuit inspection, on-site cable wiring, and debugging take a long time. When upgrading and renovating the interval and replacing the equipment, it is necessary to remove the wires, rewire and debug on site, and pay special attention to safety protection measures, which brings certain difficulties to the interval renovation.

[0003] In addition to secondary equipment, the secondary cabinet of the substation also has corresponding accessories, including air switches, pressure plates, transfer switches, buttons, etc. These devices are arranged in different areas according to their functions and usage habits. When operating personnel operate, they need to carefully distinguish which secondary equipment each accessory corresponds to, which is inconvenient to operate and prone to misoperation. When debugging the equipment, it is necessary to pass the debugging cable through the debugging hole directly below the cabinet and connect it to the terminal block in the cabinet, and take certain measures on the terminal block, resulting in inconvenient debugging. Utility Model Content

[0004] The utility model aims to provide a modular secondary panel cabinet to solve the problems of complex internal wiring of the existing secondary panel cabinet, time-consuming cable wiring and debugging, inconvenient on-site operation, and easy misoperation.

[0005] In order to achieve the above technical objectives and the above technical effects, the present invention is implemented through the following technical solutions:

[0006] The utility model provides a modular secondary screen cabinet, comprising a cabinet body, a secondary equipment overall module and a grid, characterized in that the secondary equipment overall module comprises secondary protection measurement and control equipment, a test box, an accessory group, a front panel, a wire trough, a connector, an overall module frame, and is installed in the cabinet body; the grid is installed on the left and right sides of the cabinet body.

[0007] Furthermore, the secondary protection measurement and control equipment, the test box and the accessory group are embedded and installed in the front panel of the secondary equipment overall module in different areas.

[0008] Furthermore, the accessory group includes a pressure plate, a label frame, an air switch, a switching switch, and a button corresponding to the secondary protection measurement and control equipment.

[0009] Furthermore, the accessory set is installed in a double-door manner.

[0010] Furthermore, a double door is provided on the front panel (17) of the secondary equipment integral module (2), and the pressure plate, label frame, air switch, switching switch and button corresponding to the secondary protection measurement and control equipment are installed on the double door panel.

[0011] Furthermore, the double door is mounted on the front panel of the secondary equipment integral module via hinges and is fixed via a door lock.

[0012] Furthermore, the hinge is a hidden hinge.

[0013] Furthermore, the door lock is a push-type hidden door lock.

[0014] Furthermore, a handle is installed on the front panel of the secondary equipment integral module for installation and removal of the secondary equipment integral module.

[0015] Furthermore, the handle is a hidden handle.

[0016] Furthermore, the connector is installed obliquely on the back of the secondary equipment overall module for connecting external cables.

[0017] Furthermore, the secondary device overall module also includes a switching module for external interface expansion.

[0018] The beneficial effects of the utility model are:

[0019] First, the technical solution of the utility model adopts a structure in which the overall module of the secondary equipment can be removed as a whole, and the overall module of the secondary equipment can be flexibly replaced and modified as a unit, which greatly shortens the on-site replacement time and improves the replacement reliability.

[0020] Second, the technical solution of the utility model arranges the secondary protection measurement and control equipment, pressure plates, buttons, and switching switches within the interval in an overall partitioned manner, which can effectively avoid operator misoperation.

[0021] Third, the technical solution of the utility model eliminates the traditional terminal block connection method in the panel cabinet, and combines the connector to greatly reduce the panel cabinet wiring time, factory debugging time and on-site testing time.

[0022] Fourth, a test box is set on the front of the secondary equipment module, so that the commissioning personnel can conveniently test the secondary protection measurement and control equipment and loops in front of the panel cabinet. In addition, the automatic test of the interval loop can be realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a front view of a modular secondary screen cabinet provided by an exemplary embodiment of the utility model;

[0024] Figure 2 It is a rear view of a modular secondary screen cabinet provided by an exemplary embodiment of the utility model;

[0025] Figure 3 It is a side view of a secondary equipment integral module provided by an exemplary embodiment of the utility model.

[0026] The reference numerals in the figure are as follows: 1-cabinet, 2-secondary equipment overall module, 3-secondary protection measurement and control device, 4-test box, 5-label frame, 6-circuit breaker, 7-switch, 8-button, 9-press-type hidden door lock, 10-pressure plate, 11-handle, 12-wire trough, 13-hidden hinge, 14-connector, 15-grid, 16-overall module frame, 17-front panel. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Figure 1 and Figure 2 The front view and back view of a modular secondary screen cabinet provided by an exemplary embodiment of the utility model are respectively shown, including a cabinet 1, a secondary equipment integral module 2 and a grid 15, characterized in that the secondary equipment integral module 2 includes a secondary protection measurement and control device 3, a test box 4, an accessory group, a front panel 17, a wire trough 12, a connector 14, an integral module frame 16, and is installed in the cabinet 1 and can be fixed by screws; the grid 15 is installed on the left and right sides of the cabinet 1 for fixing external cables, network cables and optical fibers.

[0029] According to some preferred embodiments of the utility model, the secondary protection and measurement control device 3, the test box 4 and the accessory group are embedded and installed on the front panel of the secondary device integral module 2 according to functional partitions. The wire trough 12 is located between the secondary protection and measurement control device 3 and the connector 14, and is used to place the wires from the secondary protection and measurement control device 3 to the connector 14.

[0030] In the secondary equipment overall module 2, the secondary protection and measurement and control device 3 is fixed to the front panel by screws, and the rear of the secondary protection and measurement and control device 3 is placed on the overall module frame 16 to keep it stable. Figure 3 The test box 4 is installed on the left or right side of the secondary protection measurement and control equipment to save space and facilitate testing.

[0031] According to some preferred embodiments of the utility model, the accessory group includes a pressure plate 10, a label frame 5, an air switch 6, a switching switch 7, and a button 8 corresponding to the secondary protection measurement and control device 3.

[0032] According to some preferred embodiments of the present invention, the accessory set is installed in a double-door manner.

[0033] According to some preferred embodiments of the utility model, a double door is provided on the front panel 17 of the secondary equipment integral module 2, and the pressure plate 10, label frame 5, air switch 6, switching switch 7, and button 8 corresponding to the secondary protection measurement and control equipment 3 are installed on the double door panel.

[0034] According to some preferred embodiments of the present utility model, the double door is mounted on the front panel 17 of the secondary equipment integral module 2 via hinges and is fixed via a door lock 9 .

[0035] According to some preferred embodiments of the present invention, the hinge 13 is a hidden hinge.

[0036] According to some preferred embodiments of the present invention, the door lock 9 is a push-type hidden door lock.

[0037] According to some preferred embodiments of the present invention, a handle 11 is installed on the front panel of the secondary device integral module 2 for installing and removing the secondary device integral module 2 .

[0038] According to some preferred embodiments of the present invention, the handle 11 is a hidden handle.

[0039] According to some preferred embodiments of the present invention, the connector 14 is installed obliquely on the back of the secondary device integral module 2 for connecting external cables. The connector 14 is installed obliquely, which can save installation space and reduce the bending radius of external cables. Figure 2 shown.

[0040] According to some preferred embodiments of the present invention, the secondary device overall module 2 further includes a switching module inside, which can flexibly realize external interface expansion.

[0041] Figure 1 In the front view of the modular secondary screen cabinet provided by the illustrated example embodiment, the accessory group is installed on the double-door panel below the corresponding secondary protection and measurement and control equipment 3, and the pressure plate 10 is installed on the left panel of the double door; the air switch 6 is installed in the upper area of ​​the right panel of the double door, and the button 8 and the switch 7 are installed in the lower area; label frames 5 are set below the pressure plate 10, above the air switch 6, and below the button 8 and the switch 7 to identify the corresponding functions. Two push-type hidden door locks are configured on the left and right panels of the double door to improve the earthquake resistance of the double door. Two hidden hinges are configured inside the left and right sides of the double door to ensure that the door opening angle is not less than 120°. The handle 11 is fixed to the lower left and right sides of the secondary equipment integral module 2 to facilitate overall movement. The handle 11 can be a hidden handle, which is hidden inside the secondary equipment integral module 2 when not in use, and can be rotated out when in use, which improves the aesthetics of the screen cabinet.

[0042] The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A modular secondary panel cabinet, comprising a cabinet body (1), a secondary equipment integral module (2) and a grid (15), characterized in that: The secondary equipment overall module (2) comprises a secondary protection measurement and control device (3), a test box (4), an accessory group, a front panel (17), a wire trough (12), a connector (14), and an overall module frame (16), and is installed in a cabinet (1); the grid (15) is installed on the left and right sides of the cabinet (1).

2. A modular secondary screen cabinet according to claim 1, characterized in that: The secondary protection measurement and control equipment (3), the test box (4) and the accessory group are embedded and installed in a separate area on the front panel (17) of the secondary equipment overall module (2).

3. A modular secondary screen cabinet according to claim 1, characterized in that: The accessory group comprises a pressure plate (10), a label frame (5), an air switch (6), a switching switch (7), and a button (8) corresponding to the secondary protection measurement and control equipment (3).

4. A modular secondary screen cabinet according to claim 3, characterized in that: The accessory group adopts a double-door installation method.

5. A modular secondary screen cabinet according to claim 4, characterized in that: A double door is arranged on the front panel (17) of the secondary equipment integral module (2), and a pressure plate (10), a label frame (5), an air switch (6), a switching switch (7), and a button (8) corresponding to the secondary protection measurement and control equipment (3) are installed on the double door panel.

6. A modular secondary screen cabinet according to claim 5, characterized in that: The double-opening door is mounted on the front panel (17) of the secondary equipment integral module (2) via hinges and is fixed via a door lock.

7. A modular secondary screen cabinet according to claim 6, characterized in that: The hinge (13) is a hidden hinge.

8. A modular secondary screen cabinet according to claim 6, characterized in that: The door lock (9) is a push-type hidden door lock.

9. A modular secondary screen cabinet according to claim 1, characterized in that: The front panel (17) of the secondary device integral module (2) is provided with a handle (11) for installing and removing the secondary device integral module (2).

10. A modular secondary screen cabinet according to claim 9, characterized in that: The handle (11) is a hidden handle.

11. A modular secondary screen cabinet according to claim 1, characterized in that: The connector (14) is installed obliquely on the back of the secondary equipment integral module (2) and is used for connecting external cables.

12. A modular secondary screen cabinet according to claim 1, characterized in that: The secondary equipment overall module (2) also includes a switching module inside, which is used for external interface expansion.

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