Mobile in-situ protection visual operation trolley

Abstract

The application relates to a mobile on-site protection visual operation trolley and relates to the field of power system relay protection. The mobile on-site protection visual operation trolley comprises a cabinet body and a moving mechanism. The moving mechanism is located at the bottom of the cabinet body, the top surface of the cabinet body is provided with a liquid crystal interface operation area and an external equipment area, the first side surface of the cabinet body is provided with at least two drawers, relay protection instruments and a switch board, and the second side surface of the cabinet body is provided with a plug interface output area, a wireless device reserved area, a current and voltage output area, a plug board area and a terminal row area. Under the precondition of meeting various use and debugging functions, during use, the mobile on-site protection visual operation trolley successfully reduces the on-site protection function debugging and acceptance time and personnel input by 50%, greatly improves the efficiency, realizes the visualization of the power system condition of a user during operation, and reduces the safety hidden danger in the operation process of the on-site protection device.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of power system relay protection, in particular to a mobile on-site visual operation and maintenance trolley. BACKGROUND

[0002] With the continuous development of science and technology in China, intelligent substation as the trend of power system development is responsible for power transmission and distribution and voltage change, which improves the operation efficiency under the premise of ensuring the stability of the substation. In the operation and maintenance of intelligent substation, preventive work needs to be done to avoid faults.

[0003] In related technologies, the on-site protection device in the power system is usually fixedly arranged on site, and the staff goes to the position of the on-site protection device to process the on-site defects, regularly check, and conduct the whole set of linkage experiments. The on-site protection device usually needs two groups of personnel to cooperate, and after communication between the on-site personnel and the main control room personnel, the on-site personnel operate the on-site protection device, and the main control room personnel give commands and feedback the operation condition.

[0004] However, the on-site protection device in the related technology does not configure a visual device, the number of personnel in the related technology is large, the work efficiency is low, and the existing method may cause incomplete test due to poor communication. Therefore, the on-site protection device in the related technology has great safety hazards in the use process. SUMMARY

[0005] The present application aims to overcome the deficiencies in the prior art and provide a mobile on-site protection visual operation and maintenance trolley, which realizes the visualization of the power system condition during operation of the user and reduces the safety hazards during operation of the on-site protection device.

[0006] According to the technical scheme provided by the present application, a mobile on-site protection visual operation and maintenance trolley is provided, which comprises a cabinet body and a movement mechanism;

[0007] The movement mechanism is located at the bottom of the cabinet body, and the movement mechanism is fixedly connected with the cabinet body;

[0008] The cabinet body is a cuboid cabinet body;

[0009] The top surface of the cabinet body is provided with a liquid crystal interface operation area and an external device area, the liquid crystal interface operation area is used for connecting with the visual device, and the external device area is used for connecting with the external device, and the external device is used for controlling the visual device;

[0010] The first side surface of the cabinet body is provided with at least two drawers, a relay protection instrument and a switch board, the at least two drawers, the relay protection instrument and the switch board are stacked in sequence, and the relay protection instrument penetrates through the cabinet body;

[0011] The second side of the cabinet body is provided with a navigation plug interface output area, a wireless device reserved area, a current voltage output area, a plugboard area and a terminal strip area;

[0012] The navigation plug interface output area and the wireless device reserved area are parallel and located at the top of the second side of the cabinet body, and the current voltage output area is located below the navigation plug interface output area and the wireless device reserved area. The navigation plug interface output area, the wireless device reserved area and the current voltage output area correspond to at least two drawer positions;

[0013] The plugboard area and the terminal strip area are stacked in sequence, and the positions of the plugboard area and the terminal strip area correspond to the position of the switchboard;

[0014] The plugboard area includes at least one socket;

[0015] The terminal strip area includes at least two terminals;

[0016] The second side is opposite to the first side.

[0017] In a possible implementation manner,

[0018] In the drawer, a first baffle is arranged between the bottom drawer and the relay protection instrument;

[0019] A second baffle is arranged between the relay protection instrument and the switchboard;

[0020] The first baffle and the second baffle penetrate through the cabinet body.

[0021] In a possible implementation manner, the number of the drawers is three, the height of the drawer is 133.35 mm, and the depth is 230 mm.

[0022] In a possible implementation manner, the switchboard includes one three-phase alternating current air switch and three two-phase direct current air switches.

[0023] In a possible implementation manner, the three two-phase direct current air switches are standby access switches.

[0024] In a possible implementation manner, the navigation plug interface output area includes at least one navigation plug interface, and the navigation plug interface is used for connecting with a navigation plug cable;

[0025] The wireless device reserved area includes a space for accommodating a wireless inspection transfer route.

[0026] In a possible implementation manner, the voltage current output area includes at least one set of test instrument current voltage phase independent output interface.

[0027] In a possible implementation, the plug-in area comprises a power input area, a power output area and a power input socket area.

[0028] The power input area comprises a power input circuit, the power output area comprises a power output circuit, and the power input socket area comprises six three-hole sockets.

[0029] In a possible implementation, the third side of the cabinet body has a grid panel covering the surface of the third side of the cabinet body.

[0030] The third side is located between the first side and the second side.

[0031] In a possible implementation, the motion mechanism is implemented as four universal wheels.

[0032] The four universal wheels are respectively located at four corners of the bottom of the cabinet body.

[0033] The universal wheel is provided with a universal wheel brake device connected with the universal wheel.

[0034] The technical scheme provided by the application has at least the following beneficial effects:

[0035] Through the structural design of the trolley, the trolley has sufficient space to configure mobile terminals and other devices convenient for on-site operation under the premise of meeting various use and debugging functions, and the trolley can display real-time local protection action based on a wireless communication mode, directly debug and directly observe on the source end site, avoid mistakes and omissions in communication in different places, significantly improve the safety of local protection debugging and acceptance, and ensure the safe operation of a large power grid. In use, the mobile local protection visual operation trolley successfully reduces the local protection function debugging and acceptance time and personnel input by 50%, greatly improves the efficiency, and realizes the visualization of the power system by the user during operation, and reduces the safety hazards in the operation process of the local protection device. BRIEF DESCRIPTION OF DRAWINGS

[0036] In order to more clearly illustrate the technical solutions in the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.

[0037] Figure 1 A top view of a mobile local protection visual operation trolley provided by the application.

[0038] Figure 2A first side view of a mobile in-situ protection visual operation trolley provided by the present application.

[0039] Figure 3 A second side view of a mobile in-situ protection visual operation trolley provided by the present application.

[0040] Figure 4 A structure schematic view of a switch board provided by the present application.

[0041] Figure 5 A wiring schematic view of a switch board provided by the present application.

[0042] Figure 6 A structure schematic view of a plug board area provided by the present application.

[0043] Figure 7 A structure schematic view of a third side of a cabinet provided by the present application.

[0044] Reference signs:

[0045] 1-liquid crystal interface operation area, 2-external device area, 3-drawer, 4-relay protection instrument, 5-switch board, 6-navigation plug interface output area, 7-wireless device reserved area, 8-current voltage output area, 9-plug board area, 10-terminal block area, 11-grid panel, 12-castor wheel;

[0046] 111-first baffle, 112-second baffle;

[0047] 121-castor wheel braking device;

[0048] 51-three-phase AC air switch, 51-two-phase DC air switch;

[0049] 91-power input circuit, 92-power output circuit, 93-three-hole socket. DETAILED DESCRIPTION

[0050] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application embodiments will be further described in detail below with reference to the drawings.

[0051] Figures 1 to 3A structural schematic diagram of a mobile in-situ protection visual operation trolley is shown according to an example embodiment of the present application. The mobile in-situ protection visual operation trolley comprises a cabinet and a moving mechanism. The moving mechanism is located at the bottom of the cabinet, and the moving mechanism is fixedly connected with the cabinet; the cabinet is a cuboid cabinet; a liquid crystal interface operation area 1 and an external device area 2 are arranged on the top surface of the cabinet, the liquid crystal interface operation area 1 is used for connecting with the visual device, and the external device area 2 is used for connecting with the external device, and the external device is used for controlling the visual device. At least two drawers 3, a relay protection instrument 4 and a switch board 5 are arranged on the first side surface of the cabinet, the at least two drawers 3, the relay protection instrument 4 and the switch board 5 are stacked in sequence, and the relay protection instrument 4 penetrates through the cabinet. A sailing plug interface output area 6, a wireless device reserved area 7, a current voltage output area 8, a plugboard area 9 and a terminal row area 10 are arranged on the second side surface of the cabinet. The sailing plug interface output area 6 and the wireless device reserved area 7 are arranged side by side and located at the top of the second side surface of the cabinet, the current voltage output area 8 is located below the sailing plug interface output area 6 and the wireless device reserved area 7, and the sailing plug interface output area 6, the wireless device reserved area 7 and the current voltage output area correspond to the positions of the at least two drawers 3. The plugboard area 9 and the terminal row area 10 are stacked in sequence, and the positions of the plugboard area 9 and the terminal row area 10 correspond to the position of the switch board 5. The plugboard area 9 comprises at least one socket, and the terminal row area 10 comprises at least two terminals. The second side surface is opposite to the first side surface.

[0052] In the example embodiment of the present application, the mobile in-situ protection visual operation trolley is realized as a combination of a moving mechanism at the bottom and a cabinet supported by the moving mechanism. In an example, the moving mechanism is realized as a pulley, and in another example, the moving mechanism is realized as a steering track. The present application does not limit the actual implementation form of the moving mechanism.

[0053] In the example embodiment of the present application, the cabinet is a cuboid cabinet.

[0054] Please refer to Figure 1 The top of the cuboid cabinet is provided with a placement area adapted to the visual device, i.e., a liquid crystal interface operation area 1 and an external device area. The liquid crystal interface operation area 1 can be realized as a liquid crystal screen for displaying a visual operation system, and the external device area is used for placing an external device connected with the liquid crystal screen. In an example, the external device is realized as a mouse, or the external device is realized as a combination of a mouse and a keyboard.

[0055] The accommodation space between the top surface and the bottom surface of the cuboid cabinet, i.e., for combining and placing various functional devices. In the example embodiment of the present application, the arrangement mode of the two opposite side surfaces of the cabinet, i.e., the first side surface and the second side surface, is shown.

[0056] Please refer to Figure 2 In the embodiment of the present application, the device close to the first side of the cabinet and allowing the operator to directly operate in front of the first side of the cabinet includes at least two drawers 3, a relay protection instrument 4 and a switchboard 5. The drawer 3 is used to accommodate the scattered daily tools such as pens, experimental reports and data lines required by the user during the field operation. In an example, the model of the relay protection instrument 4 is ONLLY-OATS33. In the embodiment of the present application, the switchboard 5 includes at least one switch for controlling the circuit inside the trolley when accessing the external power supply for maintenance test.

[0057] It should be noted that, in the embodiment of the present application, due to the size limitation of the relay protection, it penetrates through the cabinet, that is, when the user observes the cabinet from the second side of the cabinet, the rear side of the relay protection instrument 4 can be directly seen. The drawer 3 and the switchboard 5 are both arranged on the first side of the cabinet, but the depth does not reach the second side of the cabinet. In an example, the width of the cabinet is 470mm, and the depth of the drawer 3 is 230mm, so that 240mm of space is reserved.

[0058] Please refer to Figure 3 On the second side, there are an aviation plug interface output area 6, a wireless device reserved area 7, a current voltage output area 8, a plugboard area 9 and a terminal row area 10, wherein the aviation plug interface output area 6 is parallel to the wireless device reserved area 7. The aviation plug interface output area 6 includes at least one connector suitable for the aviation plug for the aviation socket in the test environment. The wireless device reserved area 7 is a containing space for placing the wireless inspection relay device. The current voltage output area 8 also includes at least one current voltage output interface. Optionally, the height corresponding to the stacking of the aviation plug interface output area 6 and the wireless device reserved area 7 and the current voltage output area 8 is equal to the height occupied by the at least two drawers 3 on the opposite side. The plugboard area 9 and the terminal row area 10 are the wiring areas corresponding to the switchboard 5. In the embodiment of the present application, the plugboard area 9 includes at least one socket, and the terminal row area 10 includes at least one row, that is, at least two terminals.

[0059] In summary, the mobile on-site protection visual operation trolley provided by the embodiment of the application has sufficient space to configure mobile terminals and other devices convenient for field operation under the premise of meeting various use and debugging functions, can display on-site protection actions in real time based on a wireless communication mode, directly debug and directly observe at a source end site, avoids errors and omissions in communication between different sites, significantly improves the safety of on-site protection debugging and acceptance, and ensures the safe operation of a large power grid.

[0060] In an optional embodiment, the first baffle 111 is arranged between the bottom drawer 3 and the relay protection instrument 4 in the drawer 3, and the second baffle 112 is arranged between the relay protection instrument 4 and the switch board 5. The first baffle 111 and the second baffle 112 penetrate the cabinet body.

[0061] In the embodiment of the application, in order to maintain the structure inside the cabinet body, the cabinet body structure in the above embodiment is combined, and the layered arrangement of devices inside the cabinet body is achieved by arranging baffles. In the embodiment of the application, the first baffle 111 and the second baffle 112 are arranged, wherein, viewed from the first side, the first baffle 111 is arranged between the relay protection instrument 4 and the drawer 3, and the second baffle 112 is arranged between the relay protection instrument 4 and the switch board 5. Viewed from the second side, the first baffle 111 is arranged above the back of the relay protection instrument 4, and the second baffle 112 is arranged below the back of the relay protection instrument 4. That is, in the embodiment of the application, the two baffles isolate the relay protection instrument 4 from other devices.

[0062] In an optional embodiment, the number of drawers 3 is 3, the height of the drawer 3 is 133.35 mm, and the depth of the drawer 3 is 230 mm.

[0063] In the embodiment of the application, the cabinet body can be a 19-inch standard cabinet. In this case, the height occupied by each device can be expressed in the basic unit “U”, and 1U is 44.45 mm. In the embodiment of the application, the number of drawers 3 is 3, and the height of each drawer 3 is 3U, that is, 133.35 mm. Optionally, the height of the baffle is 1U, the height of the switch board 5 is 3U, and the height of the relay protection instrument 4 is 5U.

[0064] In an alternative embodiment, the switchboard 5 comprises a three-phase AC air switch 51 and three two-phase DC air switches 52. Alternatively, the three two-phase DC air switches 52 are backup access switches. Please refer to Figure 4 and Figure 5 The three backup DC air switches are parallel to the three-phase AC switch. In normal use, the three-phase AC air switch 51 is mainly used to prevent short circuit or fault of three-phase AC voltage, so as to quickly isolate the fault amount and protect the test instrument and the trolley. The three DC air switches are connected to the corresponding circuit when the DC power supply is connected, and are used as the first-level insurance for the fault of the backup DC power supply.

[0065] In an alternative embodiment, the docking interface output area 6 comprises at least one docking interface for connecting with the docking cable. The wireless device reservation area 7 comprises a space for accommodating the wireless inspection relay.

[0066] In an alternative embodiment, the voltage and current output area comprises at least one set of test instrument current and voltage independent output interfaces. Alternatively, please refer to Figure 3 The number of independent interfaces is 16, which are arranged in the form of four rows and four columns.

[0067] In an alternative embodiment, please refer to Figure 6 The plugboard area 9 comprises a power input area, a power output area, and a power input socket area. The power input area comprises a power input circuit 91, the power output area comprises a power output circuit 92, and the power input socket area comprises six three-hole sockets 93.

[0068] In an alternative embodiment, please refer to Figure 7 The third side of the cabinet body has a grid panel 11 covering the surface of the third side of the cabinet body. The third side is located between the first side and the second side.

[0069] In an alternative embodiment, please refer to Figure 1 The motion mechanism is realized by four universal wheels 12. The four universal wheels 12 are respectively located at the four corners of the bottom of the cabinet body. The universal wheel 12 is provided with a universal wheel brake device 121 connected with the universal wheel 12.

[0070] The above is only an alternative embodiment of the present application, and is not used to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A mobile in-situ protection visual operation trolley, characterized in that, The mobile on-site protection visual operation trolley comprises a cabinet body and a moving mechanism; The moving mechanism is located at the bottom of the cabinet body, and the moving mechanism is fixedly connected with the cabinet body; The cabinet body is a cuboid cabinet body; a liquid crystal interface operation area (1) and an external device area (2) are arranged on the top surface of the cabinet body; the liquid crystal interface operation area (1) is used for being connected with a visual device; the external device area (2) is used for being connected with an external device; the external device is used for controlling the visual device; At least two drawers (3), a relay protection instrument (4) and a switch board (5) are arranged on the first side surface of the cabinet body; the at least two drawers (3), the relay protection instrument (4) and the switch board (5) are sequentially stacked; the relay protection instrument (4) penetrates through the cabinet body; A navigation plug interface output area (6), a wireless device reserved area (7), a current and voltage output area (8), a plug board area (9) and a terminal row area (10) are arranged on the second side surface of the cabinet body; The navigation plug interface output area (6) and the wireless device reserved area (7) are parallel and located at the top of the second side surface of the cabinet body; the current and voltage output area (8) is located below the navigation plug interface output area (6) and the wireless device reserved area (7); the navigation plug interface output area (6), the wireless device reserved area (7) and the current and voltage output area (8) correspond to the positions of the at least two drawers (3); The plug board area (9) and the terminal row area (10) are sequentially stacked; the positions of the plug board area (9) and the terminal row area (10) correspond to the position of the switch board (5); At least one socket is included in the plug board area (9); at least two terminals are included in the terminal row area (10); the second side surface is opposite to the first side surface; In the drawer (3), a first baffle (111) is arranged between the drawer (4) located at the bottom and the relay protection instrument (4); a second baffle (112) is arranged between the relay protection instrument (4) and the switch board (5); the first baffle (111) and the second baffle (112) penetrate through the cabinet body; One three-phase alternating current air switch (51) and three two-phase direct current air switches (52) are included in the switch board (5); At least one navigation plug interface is included in the navigation plug interface output area (6); the navigation plug interface is used for being connected with a navigation plug cable; a space for accommodating a wireless inspection relay is included in the wireless device reserved area (7); The plug board area (9) comprises a power input area, a power output area and a power input socket area; A power input circuit (91) is included in the power input area; a power output circuit (92) is included in the power output area; six three-hole sockets (93) are included in the power input socket area.

2. The mobile in-place protective visual operation trolley according to claim 1, characterized in that, The number of the drawers (3) is three; the height of the drawer is 133.35 mm; the depth of the drawer is 230 mm.

3. The mobile in-place protective visual O&M trolley according to claim 1, characterized in that, Three said two-phase DC air switches (52) are backup access switches.

4. The mobile in-place protective visual O&M trolley according to claim 1, characterized in that, The voltage and current output area (8) comprises at least one set of test instrument current and voltage phase-independent output interfaces.

5. The mobile in-place protective visual O&M trolley according to claim 1, characterized in that, The third side of the cabinet body is provided with a grid panel (11) covering the third side surface of the cabinet body. The third side is located between the first side and the second side.

6. The mobile in-place protective visual O&M trolley according to claim 1, characterized in that, The movement mechanism is realized as four universal wheels (12). The four universal wheels (12) are respectively located at four corners of the bottom of the cabinet body. The universal wheel (12) is provided with a universal wheel brake device (121) connected with the universal wheel (12).

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