Ring main unit convenient to maintain

Abstract

The utility model discloses a ring main unit convenient to maintain, and belongs to the technical field of ring main unit maintenance. The device comprises a shell, the interior of the shell is fixedly connected with a partition plate, the inner wall of the shell is provided with two sliding grooves, the interiors of the two sliding grooves are movably connected with first connecting plates, the tops of the two first connecting plates are fixedly connected with second connecting plates, and the second connecting plates are movably connected with the shell through screws. A supporting seat is fixedly connected to the bottom of the shell, and a refrigerating plate is fixedly connected to the interior of the shell and located below the second connecting plate. According to the utility model, the refrigeration plate is arranged, the cooling liquid is kept in a low-temperature state by utilizing the cold end of the semiconductor refrigeration sheet, then the cold energy of the cooling liquid is guided into the shell by utilizing the refrigeration plate, and the cold energy can be diffused in the shell through the net opening of the partition plate along with the continuous guiding of the refrigeration plate, so that the temperature in the shell is reduced; the influence of heat on electronic components is reduced, and the service life of the electronic components is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of ring network cabinet maintenance, in particular to a ring network cabinet which is easy to maintain. Background Art

[0002] A ring main unit is a group of electrical equipment installed in a metal or non-metallic insulating cabinet or made into an assembled interval ring main unit. Its core part uses 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, and factories and enterprises.

[0003] Chinese patent CN 211182865 U discloses a ring network cabinet that is easy to maintain internally, including a support base plate, on which the first vertical support, the second vertical support, the third vertical support and the fourth vertical support are fixed at four corners respectively; the first vertical support, the second vertical support, the third vertical support and the fourth vertical support are respectively provided with limited slots in the vertical direction; a first fixing plate is fixed between the fourth vertical support and the first vertical support; a second fixing plate is fixed between the third vertical support and the second vertical support; a front lower door is arranged on the second fixing plate; an instrument door is arranged above the second fixing plate relative to the front lower door. The beneficial effects of this new type are that it is easy to maintain the electrical components inside the ring network cabinet, and the installation combination is convenient and stable.

[0004] Generally, when the electronic components inside the ring network cabinet are damaged, they need to be repaired so that they can be used normally. The openings of the existing ring network cabinets are small, which causes many inconveniences for personnel when repairing the electronic components. Although the above patent can use devices such as movable plug boards to expand the opening area of ​​the ring network cabinet, which is convenient for personnel to repair electronic components, the electronic components will generate a certain amount of heat after being used for a certain period of time, especially when used in hot weather, so that the heat inside the cabinet is accumulated, which will affect the electronic components over time and reduce the service life of the electronic components. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the purpose of the utility model is to provide a ring network cabinet that is easy to maintain, which has the advantages of reducing the internal temperature of the cabinet and increasing the service life of electronic components, and solves the problem that the service life of electronic components cannot be affected by the inability to reduce the temperature inside the cabinet.

[0006] The utility model provides the following technical solutions: a ring network cabinet that is easy to maintain, comprising a shell, a partition plate is fixedly connected to the interior of the shell, two slide grooves are provided on the inner wall of the shell, a connecting plate one is movably connected to the interior of the two slide grooves, the tops of the two connecting plates one are fixedly connected to connecting plate two, the connecting plate two is movably connected to the shell through screws, the bottom of the shell is fixedly connected to a support seat, a refrigeration plate is fixedly connected to the interior of the shell, the refrigeration plate is located below the connecting plate two, coolant is filled between the refrigeration plate and the shell, a semiconductor refrigeration plate is fixedly connected to the back of the shell, the cold end of the semiconductor refrigeration plate passes through the interior of the shell, and a connecting door is movably connected to the interior of the shell through a hinge.

[0007] The beneficial effects of the utility model are as follows: the utility model sets a refrigeration plate, uses the cold end of the semiconductor refrigeration plate to keep the coolant at a low temperature, and then uses the refrigeration plate to introduce the cold energy of the coolant into the shell. As the refrigeration plate continues to introduce the cold energy, the cold energy can be dissipated inside the shell through the mesh port of the partition plate, thereby reducing the temperature inside the shell, reducing the impact of heat on electronic components, and increasing the service life of electronic components. The utility model sets a connecting handle, which can facilitate people to pull and carry the connecting plate, and the rubber sleeve can make the connecting handle have an anti-slip advantage, improving people's grip on the connecting handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a schematic diagram of the structure of the utility model.

[0009] Figure 2 It is a cross-sectional schematic diagram of the shell of the utility model.

[0010] Figure 3 It is a side view schematic diagram of the housing of the utility model.

[0011] Figure 4 It is a connection schematic diagram of the handle and the rubber sleeve of the utility model. DETAILED DESCRIPTION

[0012] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0013] like Figures 1 to 4As shown, the ring network cabinet of this embodiment includes a shell 1, a partition plate 2 is fixedly connected to the inside of the shell 1, two slide grooves 3 are provided on the inner wall of the shell 1, a connecting plate 1 4 is movably connected to the inside of the two slide grooves 3, a connecting plate 2 5 is fixedly connected to the top of the two connecting plates 1 4, the connecting plate 2 5 is movably connected to the shell 1 through screws, a support seat 6 is fixedly connected to the bottom of the shell 1, a refrigeration plate 7 is fixedly connected to the inside of the shell 1, the refrigeration plate 7 is located below the connecting plate 2 5, a coolant 8 is filled between the refrigeration plate 7 and the shell 1, a semiconductor refrigeration plate 9 is fixedly connected to the back of the shell 1, the cold end of the semiconductor refrigeration plate 9 passes through the inside of the shell 1, and a connecting door 10 is movably connected to the inside of the shell 1 through a hinge.

[0014] refer to Figure 1 and Figure 4 The left and right sides of the connecting plate 4 are fixedly connected with connecting handles 11, and the surface of the connecting handles 11 is covered with a rubber sleeve 12.

[0015] In this embodiment, a connecting handle 11 is provided, which can facilitate people to pull out and carry the connecting plate 4, and the rubber sleeve 12 can make the connecting handle 11 anti-slip, thereby improving people's grip on the connecting handle 11.

[0016] refer to Figure 1 A temperature sensor 13 is embedded on the front of the connecting door 10 , and the temperature sensor 13 is connected to the shell 1 .

[0017] In this embodiment, by providing a temperature sensor 13, a display screen of the temperature sensor 13 can be used to facilitate personnel to check the temperature inside the housing 1, and to facilitate personnel to turn on / off the refrigeration device.

[0018] refer to Figure 3 The hot end of the semiconductor refrigeration plate 9 is provided with a fan box 14, and the fan box 14 is fixedly connected to the housing 1.

[0019] In this embodiment, a fan box 14 is provided. After the semiconductor refrigeration sheet 9 has been used for a period of time, a certain amount of heat will be generated at the tail end of the semiconductor refrigeration sheet 9. If the heat is not dissipated, it will not only affect the semiconductor refrigeration sheet 9, but also may affect the cooling effect of the semiconductor refrigeration sheet 9. The fan box 14 can dissipate the heat generated by the semiconductor refrigeration sheet 9 and reduce the influence of the heat on the semiconductor refrigeration sheet 9.

[0020] refer to Figure 2 A heat dissipation fin 15 is fixedly connected to the back of the shell 1 , and the heat dissipation fin 15 is communicated with the shell 1 .

[0021] In this embodiment, the heat dissipation fins 15 are provided, and the heat dissipation fins 15 can conduct heat from the inside of the housing 1, thereby achieving a cooling effect of the device to a certain extent.

[0022] refer to Figure 3 A dustproof net 16 is arranged inside the fan box 14 .

[0023] In this embodiment, by providing a dustproof net 16 , when the fan box 14 is in a standby state, the pollution of external dust to the internal devices of the fan box 14 can be reduced, thereby improving the cleanliness of the fan box 14 .

[0024] The utility model increases the maintenance area of ​​electronic components by first removing the screws and then pushing the connecting plate 4 upwards so that the connecting plate 4 moves upwards through the slide groove 3, which is convenient for personnel to repair electronic components. When the electronic components need to be cooled, the cold end of the semiconductor refrigeration sheet 9 is used to keep the coolant 8 at a low temperature, and then the cold energy of the coolant 8 is introduced into the shell 1 by the refrigeration plate 7. As the cold energy is continuously introduced by the refrigeration plate 7, the cold energy can be dissipated inside the shell 1 through the mesh port of the partition plate 2, thereby lowering the temperature inside the shell 1, reducing the influence of heat on the electronic components, and prolonging the service life of the electronic components. The gap between the semiconductor refrigeration sheet 9 and the shell 1 can be sealed with hot melt adhesive or sealant, and a water replacement valve can also be installed inside the shell 1 to facilitate personnel to replace the coolant 8 later.

Claims

1. A ring main unit that is easy to maintain, comprising a housing (1), characterized in that: The shell (1) is fixedly connected to a partition plate (2) inside, and two slide grooves (3) are provided on the inner wall of the shell (1). The two slide grooves (3) are movably connected to a connecting plate 1 (4) inside, and the tops of the two connecting plates 1 (4) are fixedly connected to a connecting plate 2 (5). The connecting plate 2 (5) is movably connected to the shell (1) through screws. The bottom of the shell (1) is fixedly connected to a support seat (6). The shell (1) is fixedly connected to a refrigeration plate (7) inside, and the refrigeration plate (7) is located below the connecting plate 2 (5). Coolant (8) is filled between the refrigeration plate (7) and the shell (1). The back of the shell (1) is fixedly connected to a semiconductor refrigeration plate (9). The cold end of the semiconductor refrigeration plate (9) passes through the inside of the shell (1). The inside of the shell (1) is movably connected to a connecting door (10) through a hinge.

2. The ring main unit that is easy to maintain according to claim 1 is characterized in that: The left and right sides of the two connecting plates (4) are fixedly connected with connecting handles (11), and the surfaces of the connecting handles (11) are covered with rubber sleeves (12).

3. The ring main unit that is easy to maintain according to claim 2 is characterized in that: A temperature sensor (13) is embedded on the front surface of the connecting door (10), and the temperature sensor (13) is connected to the housing (1).

4. The ring main unit that is easy to maintain according to claim 3 is characterized in that: The hot end sleeve of the semiconductor refrigeration plate (9) is provided with a fan box (14), and the fan box (14) is fixedly connected to the housing (1).

5. The ring main unit that is easy to maintain according to claim 4 is characterized in that: The back of the housing (1) is fixedly connected with a heat dissipation fin (15), and the heat dissipation fin (15) is in communication with the housing (1).

6. The ring main unit that is easy to maintain according to claim 5 is characterized in that: A dustproof net (16) is arranged inside the fan box (14).

Images