Fixed ring main unit

Abstract

The utility model discloses a fixed ring main unit, and particularly relates to the technical field of ring main units, which comprises a ring main unit body, a protection box is arranged on the rear side of the ring main unit body, a first dustproof net is arranged on the rear side in the ring main unit body, a second dustproof net is arranged on the rear side of the protection box, and a plurality of ventilating fans are arranged on the front side of the second dustproof net. The multiple ventilating fans are located in the protection box, a cleaning mechanism for cleaning dust on the second dustproof net is arranged in the protection box, and a dismounting mechanism facilitating dismounting of the cleaning brush is arranged on the connecting plate. According to the ring main unit, dust on the second dustproof net can be cleaned through the cleaning mechanism, the second dustproof net is prevented from being blocked by the dust, the heat dissipation efficiency of the ring main unit body is improved, and the cleaning brush can be detached and replaced through the detaching mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of ring network cabinets, in particular to a fixed ring network cabinet. Background Art

[0002] Fixed ring main unit is one of many electrical cabinets. Compared with other electrical cabinets, due to its relatively simple structure and small size, the ring main unit is a group of high-voltage switchgear installed in a metal or non-metallic insulating cabinet or made into an assembled interval ring main unit. Its core part adopts load switches and fuses. It has the advantages of simple structure, small size, low price, improved power supply parameters and performance, and power supply safety. It is widely used in distribution stations and box-type substations in load centers such as urban residential areas, high-rise buildings, large public buildings, factories and enterprises.

[0003] The fixed ring network cabinet mentioned above is shown in the Chinese patent application with application number 202222760352.X. The technical solution includes a cabinet and a heat dissipation structure, and the heat dissipation structure is arranged on the inner surface of the cabinet, and a cabinet door is arranged on the front side of the cabinet. A fixing plate is fixedly connected to the upper end of the right surface of the cabinet, and a protective structure is arranged on the surface of the fixing plate. An observation window is arranged on the upper end of the surface of the cabinet door. The technical solution sets up a heat dissipation structure. When the interior of the cabinet needs ventilation and cooling, the cooling fan inside the shell rotates and blows from the air inlet to the interior of the cabinet, so that the temperature inside the cabinet is reduced. A dust net is installed on the inner side of the shell to effectively prevent dust from entering the interior of the cabinet. The shell is fixed to the surface of the cabinet with mounting nuts, which is easy to install and disassemble and convenient for maintenance.

[0004] However, the following problems still exist in this technical solution: in this technical solution, dust is prevented from entering the interior of the cabinet by installing a dustproof net. However, after long-term use, dust will accumulate on the dustproof net, and the dust will easily clog the dustproof net, resulting in the inability to cool the interior of the shell. Utility Model Content

[0005] The purpose of the utility model is to provide a fixed ring network cabinet, which can clean the dust on the second dustproof net through a cleaning mechanism to prevent the dust from clogging the second dustproof net, thereby improving the heat dissipation efficiency of the ring network cabinet body, and can also disassemble and replace the cleaning brush through a disassembly mechanism to solve the above-mentioned deficiencies in the technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fixed ring network cabinet, comprising a ring network cabinet body, a protective box is provided on the rear side of the ring network cabinet body, a first dustproof net is provided on the rear side of the ring network cabinet body, a second dustproof net is provided on the rear side of the protective box, and a plurality of ventilation fans are provided on the front side of the second dustproof net, and the plurality of ventilation fans are located inside the protective box.

[0007] Preferably, a cleaning mechanism for cleaning dust on the second dustproof net is provided inside the protective box; the cleaning mechanism includes two threaded rods provided on both sides of the protective box, the two threaded rods are threadedly connected to limiting blocks on the outside, the rear side of the limiting blocks penetrates the protective box and extends out of the rear side of the protective box, the rear sides of the two limiting blocks are fixedly connected to the same connecting plate, a fixing plate is provided on the front side of the connecting plate, a cleaning brush for cleaning dust is provided on the front side of the fixing plate, the front side of the cleaning brush is in contact with the rear side of the second dustproof net, and is used to clean dust on the second dustproof net.

[0008] Preferably, both ends of the threaded rod are movably connected to the inner wall of the protective box through bearings, and pulleys are provided on the top of the two threaded rods. The same belt is provided on the outside of the two pulleys. The top of one of the threaded rods passes through the protective box and extends out of the top of the protective box. A motor is fixed to the top of the threaded rod extending out of the top of the protective box. The motor is fixed to the top of the protective box through a bracket to drive the threaded rod to rotate.

[0009] Preferably, the connecting plate is provided with a disassembly mechanism for facilitating the disassembly of the cleaning brush, the disassembly mechanism includes two plug-in slots respectively opened on both sides of the connecting plate, mounting plates are fixedly provided on both sides of the fixing plate, a first threaded hole is opened on the mounting plate, a second threaded hole is opened inside the plug-in slot, the first threaded hole and the second threaded hole are connected to each other and are threadedly connected with the same bolt for facilitating the disassembly of the cleaning brush.

[0010] Preferably, a handle is fixedly provided on the top of the fixing plate to facilitate taking the fixing plate.

[0011] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0012] 1. Start the motor, the motor can drive the threaded rod to rotate, the rotation of the threaded rod can drive the limit block to move up and down, the movement of the limit block drives the connection plate to move, the connection plate can drive the cleaning brush to move up and down, the cleaning brush can move up and down to clean the dust on the second dustproof net to prevent dust from clogging the second dustproof net and improve the heat dissipation efficiency of the ring network cabinet;

[0013] 2. The cleaning brush is prone to wear after long-term use and needs to be replaced regularly. Turn the bolt to remove it from the second threaded hole and the first threaded hole, then pull the handle to pull the fixing plate out of the connecting plate through the handle, so that the cleaning brush can be disassembled and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a front view of the utility model;

[0016] Figure 2 It is a rear view of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the protection box of the utility model being away from the ring main unit body;

[0018] Figure 4 It is a structural schematic diagram of the ventilation fan of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the cleaning mechanism of the utility model;

[0020] Figure 6 It is a cross-sectional view of the protection box of the utility model;

[0021] Figure 7 It is a structural schematic diagram of the disassembly mechanism of the utility model.

[0022] Description of reference numerals:

[0023] 1 Ring main unit, 2 Protection box, 3 First dust screen, 4 Second dust screen, 5 Ventilation fan;

[0024] 6 cleaning mechanism, 601 threaded rod, 602 limit block, 603 connecting plate, 604 fixing plate, 605 cleaning brush, 606 pulley, 607 belt, 608 motor;

[0025] 7 disassembly mechanism, 701 plug-in slot, 702 mounting plate, 703 first threaded hole, 704 second threaded hole, 705 bolt;

[0026] 8 handles. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0028] The utility model provides Figure 1-7A fixed ring main unit shown in the figure comprises a ring main unit body 1, a protection box 2 is provided at the rear side of the ring main unit body 1, a first dustproof net 3 is provided at the rear side of the ring main unit body 1, a second dustproof net 4 is provided at the rear side of the protection box 2, a plurality of ventilation fans 5 are provided at the front side of the second dustproof net 4, and the plurality of ventilation fans 5 are located inside the protection box 2;

[0029] When the inside of the ring main unit 1 needs to be cooled, the ventilation fan 5 is started. The ventilation fan 5 can suck the hot air inside the ring main unit 1 into the protection box 2 through the first dustproof net 3 and then discharge it through the second dustproof net 4 on the protection box 2.

[0030] like Figure 5 As shown, a cleaning mechanism 6 for cleaning dust on the second dustproof net 4 is provided inside the protection box 2; the cleaning mechanism 6 comprises two threaded rods 601 provided on both sides of the protection box 2, the two threaded rods 601 are both threadedly connected to limit blocks 602 on the outside, the rear side of the limit blocks 602 penetrates the protection box 2 and extends out of the rear side of the protection box 2, the rear sides of the two limit blocks 602 are fixedly connected to the same connecting plate 603, a fixing plate 604 is provided on the front side of the connecting plate 603, a cleaning brush 605 for cleaning dust is provided on the front side of the fixing plate 604, and the front side of the cleaning brush 605 is in contact with the rear side of the second dustproof net 4;

[0031] like Figure 5 As shown, both ends of the threaded rod 601 are movably connected to the inner wall of the protection box 2 through bearings, and pulleys 606 are provided on the tops of the two threaded rods 601. The same belt 607 is provided outside the two pulleys 606. The top of one of the threaded rods 601 passes through the protection box 2 and extends out of the top of the protection box 2. A motor 608 is fixed on the top of the threaded rod 601 extending out of the top of the protection box 2. The motor 608 is fixed to the top of the protection box 2 through a bracket.

[0032] When it is necessary to clean the dust on the second dustproof net 4, start the motor 608. The motor 608 can drive the threaded rod 601 to rotate. The two threaded rods 601 can rotate simultaneously under the action of the belt 607 and the pulley 606. The rotation of the threaded rod 601 can drive the limit block 602 to move up and down. The movement of the limit block 602 drives the connecting plate 603 to move. The connecting plate 603 can drive the cleaning brush 605 to move up and down. The cleaning brush 605 moves up and down to clean the dust on the second dustproof net 4, so as to prevent dust from clogging the second dustproof net 4 and improve the heat dissipation efficiency of the ring network cabinet body 1.

[0033] like Figure 7As shown, the connecting plate 603 is provided with a disassembly mechanism 7 for facilitating the disassembly of the cleaning brush 605, and the disassembly mechanism 7 includes two plug-in slots 701 respectively provided on both sides of the connecting plate 603, and mounting plates 702 are fixedly provided on both sides of the fixing plate 604, and a first threaded hole 703 is provided on the mounting plate 702, and a second threaded hole 704 is provided inside the plug-in slot 701, and the first threaded hole 703 and the second threaded hole 704 that are connected are internally threadedly connected with the same bolt 705, and a handle 8 is fixedly provided on the top of the fixing plate 604;

[0034] The cleaning brush 605 is prone to wear due to long-term use and needs to be replaced regularly. By turning the bolt 705, the bolt 705 can be taken out from the second threaded hole 704 and the first threaded hole 703, and then the handle 8 can be pulled to pull the fixing plate 604 out from the connecting plate 603 through the handle 8. The cleaning brush 605 can then be disassembled and replaced.

[0035] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A fixed ring main unit, comprising a ring main unit body (1), characterized in that: A protection box (2) is provided at the rear side of the ring network cabinet body (1), a first dustproof net (3) is provided inside the rear side of the ring network cabinet body (1), and a second dustproof net (4) is provided at the rear side of the protection box (2); The protection box (2) is provided with a cleaning mechanism (6) inside for cleaning dust on the second dustproof net (4); The cleaning mechanism (6) comprises two threaded rods (601) arranged on both sides of the interior of the protective box (2), the two threaded rods (601) are both threadedly connected to the limiting blocks (602) on the outside, the rear side of the limiting blocks (602) passes through the protective box (2) and extends out of the rear side of the protective box (2), the rear sides of the two limiting blocks (602) are fixedly connected to the same connecting plate (603), the front side of the interior of the connecting plate (603) is provided with a fixing plate (604), the front side of the fixing plate (604) is provided with a cleaning brush (605) for cleaning dust, and the front side of the cleaning brush (605) is in contact with the rear side of the second dustproof net (4).

2. A fixed ring main unit according to claim 1, characterized in that: Both ends of the threaded rod (601) are movably connected to the inner wall of the protection box (2) through bearings, and pulleys (606) are provided through the top ends of the two threaded rods (601), and the same belt (607) is provided outside the two pulleys (606).

3. A fixed ring main unit according to claim 1, characterized in that: The top end of one of the threaded rods (601) passes through the protective box (2) and extends out of the top of the protective box (2); a motor (608) is fixedly provided at the top of the threaded rod (601) extending out of the top of the protective box (2); and the motor (608) is fixed to the top of the protective box (2) via a bracket.

4. A fixed ring main unit according to claim 1, characterized in that: The connecting plate (603) is provided with a disassembly mechanism (7) for facilitating the disassembly of the cleaning brush (605); The disassembly mechanism (7) comprises two plug-in slots (701) respectively provided on both sides of the connecting plate (603); a mounting plate (702) is fixedly provided on both sides of the fixing plate (604); a first threaded hole (703) is provided on the mounting plate (702); a second threaded hole (704) is provided inside the plug-in slot (701); the first threaded hole (703) and the second threaded hole (704) are connected to each other and are internally threadedly connected with a same bolt (705).

5. The fixed ring main unit according to claim 1, characterized in that: A handle (8) is fixedly provided on the top of the fixing plate (604).

6. A fixed ring main unit according to claim 1, characterized in that: A plurality of ventilation fans (5) are arranged on the front side of the second dustproof net (4), and the plurality of ventilation fans (5) are located inside the protection box (2).

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