CN220209644U - Low-voltage switching device - Google Patents

Abstract

The utility model relates to the technical field of low-voltage switch cabinets and discloses low-voltage switch equipment, which includes a cabinet and a hinged door on one side of the cabinet. Heat dissipation openings are provided on the opposite side walls of the cabinet, and a dust-proof device is fixedly installed in the heat dissipation opening. Net, mounting plates are fixedly installed on the opposite outer walls of the cabinet on both sides. The mounting plate is equipped with a cleaning mechanism for cleaning the dust-proof net. During the rotation of the cooling fan, the rotating shaft that drives the cooling fan rotates and drives the electric telescopic rod to rotate synchronously. When it is necessary to clean the mesh of the dust-proof net, the electric telescopic rod is in an extended state, and the brush surface of the cleaning brush is in contact with the mesh surface of the dust-proof net. When there is no need to clean the dust-proof net, the electric telescopic rod is in a retracted state. In this state, the brush surface of the cleaning brush is not in contact with the surface of the dust filter, and the dust falls to the dust collection mechanism for collection after sweeping.

Description

Low voltage switchgear

Technical field

The utility model relates to the technical field of low-voltage switch cabinets, and specifically to low-voltage switch equipment.

Background technique

The switch cabinet is a kind of electrical equipment. The outside line of the switch cabinet first enters the main control switch in the cabinet, and then enters the sub-control switch. Each branch is set according to its needs, such as instruments, automatic controls, motor magnetic switches, various AC contactors, etc. There are also high-voltage room and low-voltage room switch cabinets with high-voltage busbars, such as power plants, etc. The low-voltage switch cabinets are suitable for power plants, petroleum, chemical industry, metallurgy, textiles, high-rise buildings and other industries, as power transmission, distribution and power conversion. Of. Dust is easily generated in the working environment of the textile industry. External dust can easily enter the interior of the cabinet through the heat dissipation vents, causing dust accumulation. Dust deposited on the components not only hinders the components from dissipating heat, but also conducts dust and easily causes short circuits in the components, thereby damaging the switch. The cabinet is damaged and the normal use of the high and low voltage switch cabinet is affected.

There are some disadvantages in the use of traditional devices. For example, current low-voltage switch cabinets generally use heat dissipation vents to dissipate heat for internal components, and dust screens are generally installed in the heat dissipation vents to block dust, but dust Accumulation on the dust-proof net will cause the mesh to be blocked, making it difficult for natural wind to enter the low-voltage switch cabinet to dissipate heat of the internal components. In the existing technology, when the dust-proof net is cleaned, the dust will fall to the ground and scatter in all directions. Impact on environmental health.

Utility model content

The purpose of this utility model is to provide low-voltage switch equipment and solve the problem that dust accumulation on the dust-proof net will cause the mesh to be clogged, making it difficult for natural wind to enter the low-voltage switch cabinet for heat dissipation of internal components.

The utility model provides the following technical solution: a low-voltage switchgear, including a cabinet and a hinged door on one side of the cabinet. Heat dissipation vents are provided on opposite side walls of the cabinet, and a dust-proof device is fixedly installed in the heat dissipation vent. Net, mounting plates are fixedly installed on the opposite outer walls of the cabinet, and a cleaning mechanism for cleaning the dust-proof net is provided on the mounting plate. The cleaning mechanism includes a mounting frame, and the mounting frame is fixedly mounted on the installation On the side wall of the board, a cooling fan is fixedly installed on the inside of the installation frame. An electric telescopic rod is fixedly installed on the rotating shaft of the cooling fan. The movable end of the electric telescopic rod is fixedly connected with a fixed sleeve. The fixed sleeve is opposite to the Cleaning brushes are fixedly connected to both side walls of the machine, and a dust collection mechanism is provided below the cleaning brushes.

As a preferred embodiment of the above technical solution, the dust collection mechanism includes a storage plate, a dust collection frame is placed on the upper surface of the storage plate, a material guide groove is provided on the inner bottom wall of the heat dissipation port, and a material guide is provided below the heat dissipation port. plate, and the discharge end of the material guide plate is located directly above the dust collecting frame.

As a preferred embodiment of the above technical solution, the mounting frame is provided with multiple air inlets.

As a preferred embodiment of the above technical solution, the material guide groove slides down and slopes toward the outside of the heat dissipation port, the material guide plate has a right-angled trapezoidal structure, and the inclined surface of the material guide plate is located above.

As a preferred embodiment of the above technical solution, when the electric telescopic rod is in an extended state, the brush surface of the cleaning brush is in contact with the mesh surface of the dust-proof net. When the electric telescopic rod is in a retracted state, the brush surface of the cleaning brush is in contact with the surface of the dust-proof net. The surface does not come into contact with the surface of the dust filter.

As a preferred embodiment of the above technical solution, a control switch is fixedly installed at the bottom of the outer wall of the cabinet. The control switch is electrically connected to the external power supply. The power input end of the cooling fan controls the power output end of the switch. Therefore, The power input end of the electric telescopic rod is electrically connected to the power output end of the control switch.

As a preferred embodiment of the above technical solution, the heat dissipation port has a circular structure, the cleaning brush has a rectangular structure, and the diameter of the cleaning brush is smaller than the inner radius of the heat dissipation port.

Compared with the existing technology, the beneficial effects of this utility model are:

In the utility model, during the rotation of the cooling fan, the rotating shaft that drives the cooling fan rotates to drive the electric telescopic rod to rotate synchronously. When it is necessary to clean the mesh of the dust filter, the electric telescopic rod is in an extended state to clean the brush surface. When it is in contact with the surface of the dust-proof net and there is no need to clean the dust-proof net, the electric telescopic rod is in a retracted state, and the brush surface of the cleaning brush is not in contact with the surface of the dust-proof net, and the cooling fan is adjustable When the cleaning brush is cleaning the dust filter, the cooling fan is in slow gear, so that the cleaned dust will not fly with the wind. After the dust is swept away, it will fall to the dust collecting mechanism for collection.

Description of drawings

Figure 1 is a schematic three-dimensional structural diagram of low-voltage switchgear;

Figure 2 is a partial cross-sectional structural diagram;

Figure 3 is a schematic front view of the low-voltage switchgear;

Figure 4 is a right structural diagram of the low-voltage switchgear.

In the picture: 10. Cabinet body; 11. Door body; 12. Heat dissipation vent; 13. Dust filter; 14. Installation plate; 20. Installation frame; 201. Air inlet; 21. Cooling fan; 22. Electric telescopic rod; 23. Fixing sleeve; 24. Cleaning brush; 30. Storage plate; 31. Dust collection frame; 32. Material guide trough; 33. Material guide plate; 40. Control switch.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

As shown in Figures 1-4, the present utility model provides a technical solution: a low-voltage switchgear, including a cabinet 10 and a hinged door 11 on one side of the cabinet 10. The opposite side walls of the cabinet 10 are provided with heat dissipation holes. Port 12, a dust-proof net 13 is fixedly installed in the heat dissipation port 12, and a mounting plate 14 is fixedly installed on the opposite outer walls of the cabinet 10. A cleaning mechanism for cleaning the dust-proof net 13 is provided on the mounting plate 14. The cleaning mechanism includes The installation frame 20 is fixedly installed on the side wall of the installation plate 14. A cooling fan 21 is fixedly installed on the inside of the installation frame 20. An electric telescopic rod 22 is fixedly installed on the rotating shaft of the cooling fan 21, and the movable end of the electric telescopic rod 22 is fixed. A fixed sleeve 23 is connected to the fixed sleeve 23. A cleaning brush 24 is fixedly connected to the opposite side walls of the fixed sleeve 23. A dust collection mechanism is provided below the cleaning brush 24.

During specific use, the heat inside the cabinet 10 is sucked out by the provided cooling fan 21 (one of the two cooling fans 21 does the suction work and the other does the air supply work), and during the rotation of the cooling fan 21, it drives the heat dissipation. The rotating shaft of the fan 21 drives the electric telescopic rod 22 to rotate synchronously. When the dust filter 13 needs to be cleaned, the electric telescopic rod 22 is in an extended state, and the brush surface of the cleaning brush 24 is in contact with the mesh surface of the dust filter 13. It is not necessary to When cleaning the dust-proof net 13, the electric telescopic rod 22 is in a retracted state, the brush surface of the cleaning brush 24 does not contact the mesh surface of the dust-proof net 13, and the cooling fan 21 has an adjustable speed block. The cleaning brush 24 When cleaning the dust filter 13, the cooling fan 21 is in slow gear, so that the cleaned dust will not fly with the wind, and the dust will fall to the dust collecting mechanism for collection after sweeping.

It should be noted that the heat dissipation port 12 has a circular structure, and the cleaning brush 24 has a rectangular structure. The diameter of the cleaning brush 24 is smaller than the inner radius of the heat dissipation port 12, so that the cleaning brush 24 will not contact the inner wall of the heat dissipation port 12. , will not affect its rotation.

As an implementation method in this embodiment, as shown in Figures 1-4, a control switch 40 is fixedly installed at the bottom of the outer wall of the cabinet 10. The control switch 40 is electrically connected to the external power supply, and the power input end of the cooling fan 21 is controlled. The power output end of the switch 40 is electrically connected, and the power input end of the electric telescopic rod 22 is electrically connected to the power output end of the control switch 40 .

During specific use, the control switch 40 is used to control the expansion and contraction of the electric telescopic rod 22, and the control switch 40 is used to control the gear position and opening and closing of the cooling fan 21.

Example 2

As shown in Figures 1-4, based on the same concept as the above-mentioned Embodiment 1, this embodiment also proposes a low-voltage switchgear. The dust collection mechanism includes a storage plate 30. A dust collection frame 31 is placed on the upper end of the storage plate 30, and a heat dissipation vent is provided. A guide groove 32 is provided on the inner bottom wall of the dust collector 12, a guide plate 33 is provided below the heat dissipation port 12, and the discharge end of the guide plate 33 is located directly above the dust collection frame 31.

During specific use, when the cleaning brush 24 cleans the mesh surface of the dust filter 13, the dust will fall to the inner bottom wall of the heat dissipation port 12, and the dust will slide down to the guide plate 33 through the guide groove 32 provided. , and then the accumulated dust slides down along the guide plate 33 into the dust collecting frame 31 for collection.

It should be noted that the mounting frame 20 is provided with a plurality of air inlets 201, and the use of the cooling fan 21 requires air circulation.

It should be noted that the guide trough 32 slides down and tilts toward the outside of the heat dissipation port 12, so that the accumulated dust slides along the inner bottom wall of the guide trough 32 into the dust collection frame 31. The guide plate 33 has a right-angled trapezoidal structure, and the guide plate 33 The inclined surface of the plate 33 is located upward, so that the accumulated dust slides along the upper surface of the guide plate 33 into the dust collecting frame 31 for collection.

Working principle: The heat inside the cabinet 10 is sucked out through the cooling fan 21 provided (one of the two cooling fans 21 does the suction work and the other does the air supply work), and during the rotation of the cooling fan 21, the cooling fan 21 is driven The rotating shaft drives the electric telescopic rod 22 to rotate synchronously. When the dust filter 13 needs to be cleaned, the electric telescopic rod 22 is in an extended state, and the brush surface of the cleaning brush 24 is in contact with the mesh surface of the dust filter 13. There is no need to clean the dust filter 13. When the dust screen 13 is being cleaned, the electric telescopic rod 22 is in a retracted state, the brush surface of the cleaning brush 24 does not contact the surface of the dust screen 13, and the cooling fan 21 has an adjustable speed block, and the cleaning brush 24 cleans the dust screen 13. When the dust filter 13 is turned on, the cooling fan 21 is in slow gear, so that the cleaned dust will not fly with the wind, and the dust will fall to the dust collection mechanism for collection.

The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims (7)

1. Low-voltage switchgear, including a cabinet (10) and a door (11) hinged on one side of the cabinet (10). The opposite side walls of the cabinet (10) are provided with heat dissipation openings (12). A dustproof net (13) is fixedly installed in the heat dissipation port (12), which is characterized in that: a mounting plate (14) is fixedly installed on the opposite outer walls of the cabinet (10). The mounting plate (14) ) is provided with a cleaning mechanism for cleaning the dust-proof net (13). The cleaning mechanism includes a mounting frame (20). The mounting frame (20) is fixedly installed on the side wall of the mounting plate (14). The mounting frame (20) A cooling fan (21) is fixedly installed on the inside. An electric telescopic rod (22) is fixedly installed on the rotating shaft of the cooling fan (21). The movable end of the electric telescopic rod (22) is fixedly connected with a fixed sleeve. (23), a cleaning brush (24) is fixedly connected to the opposite side walls of the fixed sleeve (23), and a dust collection mechanism is provided below the cleaning brush (24). 2. The low-voltage switchgear according to claim 1, characterized in that: the dust collecting mechanism includes a storage plate (30), a dust collection frame (31) is placed on the upper end surface of the storage plate (30), and the heat dissipation There is a material guide groove (32) on the inner bottom wall of the mouth (12), and a material guide plate (33) is provided below the heat dissipation port (12). The discharge end of the material guide plate (33) is located in the dust collecting frame. (31) Directly above. 3. The low-voltage switchgear according to claim 2, characterized in that: the mounting frame (20) is provided with a plurality of air inlets (201). 4. The low-voltage switchgear according to claim 2, characterized in that: the guide groove (32) slides downward and slopes toward the outside of the heat dissipation port (12), the guide plate (33) has a right-angled trapezoidal structure, and The inclined surface of the guide plate (33) is located upward. 5. The low-voltage switchgear according to claim 1, characterized in that: when the electric telescopic rod (22) is in an extended state, the brush surface of the cleaning brush (24) and the mesh surface of the dust-proof net (13) When the electric telescopic rod (22) is in retracted state, the brush surface of the cleaning brush (24) does not contact the mesh surface of the dust-proof net (13). 6. The low-voltage switchgear according to claim 1, characterized in that: a control switch (40) is fixedly installed at the bottom of the outer wall of the cabinet (10), and the control switch (40) is electrically connected to an external power supply. The power input end of the cooling fan (21) is electrically connected to the power output end of the control switch (40), and the power input end of the electric telescopic rod (22) is electrically connected to the power output end of the control switch (40). 7. The low-voltage switchgear according to claim 1, characterized in that: the heat dissipation port (12) has a circular structure, the cleaning brush (24) has a rectangular structure, and the cleaning brush (24) has a The diameter is smaller than the inner radius of the heat dissipation port (12).