Fan power supply monitoring device

Abstract

The utility model discloses a fan power supply monitoring device, which belongs to the technical field of power supply monitoring and comprises a monitoring device body and a base fixedly connected to the bottom end of the monitoring device body, a frame is mounted at the sounding position of the monitoring device body through screws, and a mesh plate is fixedly connected to the inner wall of the frame. Opposite fixed shaft sleeves are fixedly connected to the surface, close to the frame, of the monitoring device body, rotating shafts are rotationally connected to the inner sides of the fixed shaft sleeves, and a linkage assembly is arranged at the top end of the base. Through the arrangement of the electromagnet, the linkage assembly and the gear, when the monitoring device body monitors that a fan power supply is overheated, the mainboard in the monitoring device body enables the electromagnet to be powered off, the electromagnet does not magnetically attract a magnet block any more, and under the action of the elastic force of a reset spring, a rotating shaft drives a cover plate to rotate, so that the cover plate is far away from a net plate, and an alarm can be given out; after the power supply is overhauled, the main electric plate supplies power to the electromagnet, so that the cover plate is attached to the screen plate, and the anti-blocking protection function of the screen plate is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of power supply monitoring, in particular to a fan power supply monitoring device. Background Art

[0002] The fan power monitor can detect dangerous parameters such as residual current and temperature in the power line, send out sound and light alarm signals according to the set alarm values, and form a power monitoring system with the power monitoring equipment through the communication network.

[0003] However, the broadcast hole of the buzzer alarm on the existing fan power supply monitoring device is directly exposed to the external environment. The broadcast hole of the buzzer alarm is easily blocked by dust and other foreign matter, resulting in the alarm sound of the buzzer alarm becoming weaker, so that the staff cannot hear the alarm sound in time and easily miss the best remedial time for the fan power supply. Therefore, a fan power supply monitoring device is proposed to solve the above problem. Utility Model Content

[0004] The utility model aims to solve the problem that the broadcast hole of the buzzer alarm on the fan power supply monitoring device in the prior art is directly exposed to the external environment, and the broadcast hole of the buzzer alarm is easily blocked by dust and other foreign matter, and thus proposes a fan power supply monitoring device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fan power supply monitoring device includes a monitoring device body and a base fixedly connected to the bottom end of the monitoring device body, a frame is installed at the sound-generating part of the monitoring device body by screws, a mesh plate is fixedly connected to the inner wall of the frame, a relatively arranged fixed shaft sleeve is fixedly connected to the surface of the monitoring device body near the frame, a rotating shaft is rotatably connected to the inner side of the fixed shaft sleeve, a cover plate is fixedly connected to the surface of the rotating shaft, and a linkage assembly is arranged at the top of the base.

[0007] Preferably, a rubber sealing ring is fixedly connected to the surface of the frame, and a sealing groove engaged with the rubber sealing ring is formed on one side of the cover plate.

[0008] Preferably, a gear is fixedly connected to the bottom end of the rotating shaft, and the linkage assembly includes a slide rail fixedly connected to the top of the base, a slider slidably connected to the inner side of the slide rail, and a spur plate fixedly connected to the top of the slider.

[0009] Preferably, a return spring is fixedly connected between the sliding block and the inner wall of the sliding rail, the spur plate is meshed with the gear, and one end of the spur plate is fixedly connected to a magnet block.

[0010] Preferably, an electromagnet that is magnetically attracted to the magnet block is installed on the top of the base, and the electromagnet is electrically connected to the main electrical board inside the monitoring device body.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model is provided with an electromagnet, a linkage assembly and a gear. When the monitoring device body detects that the fan power supply is overheated, the internal main board will cut off the power to the electromagnet, and the electromagnet will no longer magnetically attract the magnet block. Under the elastic force of the reset spring, the spur plate is reset, which drives the gear to rotate, the gear drives the shaft to rotate, and the shaft drives the cover plate to rotate, so that the cover plate is away from the mesh plate, so that the alarm can be sounded. When the power supply is repaired, the main power board supplies power to the electromagnet, so that the spur plate drives the gear to rotate, so that the cover plate fits the mesh plate, and the anti-blocking protection function of the mesh plate is realized.

[0013] 2. The utility model provides a frame, and the edge mesh plate can be disassembled and replaced without drilling holes in the outer shell of the monitoring device body. By providing a rubber sealing ring and a sealing groove, the sealing ring and the sealing groove are engaged, which can enhance the sealing of the cover plate and enhance the protective effect of the mesh plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a three-dimensional structural schematic diagram of the fan power supply monitoring device proposed by the utility model when the cover is closed;

[0015] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the fan power supply monitoring device proposed by the utility model when the cover is opened;

[0017] Figure 4 The utility model provides a schematic diagram of the structure of the linkage group, the cover plate and the mesh plate in the fan power supply monitoring device.

[0018] In the figure: 1. monitoring device body; 2. base; 3. cover plate; 301. sealing groove; 4. electromagnet; 5. spur plate; 6. reset spring; 7. frame; 8. rubber sealing ring; 9. mesh plate; 10. rotating shaft; 11. fixed sleeve; 12. gear; 13. magnet block; 14. slide rail. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] Reference Figure 1-4 The fan power supply monitoring device comprises a monitoring device body 1 and a base 2 fixedly connected to the bottom end of the monitoring device body 1, a frame 7 is installed at the sound generating part of the monitoring device body 1 by screws, and a mesh plate 9 is fixedly connected to the inner wall of the frame 7;

[0021] It should be noted that the frame 7 is mounted on the monitoring device body 1 by screws, which facilitates the disassembly, assembly and replacement of the edge mesh plate 9 , and there is no need to drill holes in the outer shell of the monitoring device body 1 .

[0022] A fixed shaft sleeve 11 is fixedly connected to the surface of the monitoring device body 1 near the frame 7, and a rotating shaft 10 is rotatably connected to the inner side of the fixed shaft sleeve 11. A cover plate 3 is fixedly connected to the surface of the rotating shaft 10. A linkage assembly is arranged at the top of the base 2, and a gear 12 is fixedly connected to the bottom end of the rotating shaft 10. The linkage assembly includes a slide rail 14 fixedly connected to the top of the base 2, a slider slidably connected to the inner side of the slide rail 14, and a spur plate 5 fixedly connected to the top of the slider. A reset spring 6 is fixedly connected between the slider and the inner wall of the slide rail 14. The spur plate 5 meshes with the gear 12. A magnet block 13 is fixedly connected to one end of the spur plate 5. An electromagnet 4 that is magnetically attracted to the magnet block 13 is installed at the top of the base 2, and the electromagnet 4 is electrically connected to the main electrical board inside the monitoring device body 1.

[0023] It should be noted that: when the monitoring device body 1 detects that the fan power supply is overheated, its internal main board will cut off the power to the electromagnet 4, and the electromagnet 4 will no longer magnetically attract the magnet block 13. Under the elastic force of the reset spring 6, the spur plate 5 will be reset, thereby driving the gear 12 to rotate, the gear 12 drives the shaft 10 to rotate, and the shaft 10 drives the cover plate 3 to rotate, so that the cover plate 3 is away from the mesh plate 9, so that the alarm can be sounded. When the power supply is repaired, the main circuit board supplies power to the electromagnet 4, so that the spur plate 5 drives the gear 12 to rotate, so that the cover plate 3 fits the mesh plate 9, and the anti-blocking protection function of the mesh plate 9 is realized.

[0024] A rubber sealing ring 8 is fixedly connected to the surface of the frame 7, and a sealing groove 301 engaged with the rubber sealing ring 8 is formed on one side of the cover plate 3;

[0025] It should be noted that: by providing the rubber sealing ring 8 and the sealing groove 301 so that the sealing ring and the sealing groove 301 are engaged with each other, the sealing performance of the cover plate 3 can be enhanced, and the protective effect of the mesh plate 9 can be enhanced.

[0026] When the utility model is in use, when the monitoring device body 1 detects that the fan power supply is overheated, its internal main board will cut off the power to the electromagnet 4, and the electromagnet 4 will no longer magnetically attract the magnet block 13. Under the elastic force of the reset spring 6, the spur plate 5 is reset, thereby driving the gear 12 to rotate, the gear 12 drives the rotating shaft 10 to rotate, and the rotating shaft 10 drives the cover plate 3 to rotate, so that the cover plate 3 is away from the mesh plate 9, and then the mesh plate 9 is opened, so that the alarm sound can be issued, and when the power supply is repaired and restored to normal, the main power board supplies power to the electromagnet 4, thereby magnetically attracting the magnet block 13, so that the magnet block 13 drives the spur plate 5 to move, and then drives the gear 12 to rotate, so that the cover plate 3 rotates and fits the mesh plate 9, at this time The sealing groove 301 is engaged with the rubber sealing ring 8 to achieve the anti-blocking protection function of the mesh plate 9.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A wind turbine power supply monitoring device, comprising a monitoring device body (1) and a base (2) fixedly connected to the bottom end of the monitoring device body (1), characterized in that: A frame (7) is installed at the sound-generating part of the monitoring device body (1) by means of screws, a mesh plate (9) is fixedly connected to the inner wall of the frame (7), a fixed shaft sleeve (11) arranged opposite to the frame (7) is fixedly connected to the surface of the monitoring device body (1) near the frame (7), a rotating shaft (10) is rotatably connected to the inner side of the fixed shaft sleeve (11), a cover plate (3) is fixedly connected to the surface of the rotating shaft (10), and a linkage assembly is arranged at the top end of the base (2).

2. The wind turbine power supply monitoring device according to claim 1, characterized in that: A rubber sealing ring (8) is fixedly connected to the surface of the frame (7), and a sealing groove (301) engaged with the rubber sealing ring (8) is provided on one side of the cover plate (3).

3. The wind turbine power supply monitoring device according to claim 1, characterized in that: The bottom end of the rotating shaft (10) is fixedly connected to a gear (12), and the linkage assembly comprises a slide rail (14) fixedly connected to the top end of the base (2), a slider slidably connected to the inner side of the slide rail (14), and a spur plate (5) fixedly connected to the top end of the slider.

4. The wind turbine power supply monitoring device according to claim 3, characterized in that: A return spring (6) is fixedly connected between the slide block and the inner wall of the slide rail (14); the spur plate (5) is meshed with the gear (12); and a magnet block (13) is fixedly connected to one end of the spur plate (5).

5. The wind turbine power supply monitoring device according to claim 4, characterized in that: An electromagnet (4) that is magnetically attracted to a magnet block (13) is installed at the top of the base (2); the electromagnet (4) is electrically connected to a main electrical board inside the monitoring device body (1).

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