Electrical equipment temperature measuring device for power plant

Abstract

The invention relates to the technical field of electrical equipment temperature detection, and discloses an electrical equipment temperature measuring device for a power plant, which comprises a cabinet body, two sliding rods are fixedly connected to the two sides in the cabinet body, sliding sleeves are slidably connected to the outer sides of the multiple sliding rods, a fixing frame is fixedly connected to one side of each sliding sleeve, and the fixing frame is fixedly connected to the other side of the cabinet body. A threaded sleeve is fixedly connected between every two adjacent fixing frames, and a lead screw is arranged at the center position between every two sliding rods located on the same side. According to the invention, the occupation amount of the internal space of the cabinet body can be reduced, the utilization rate of the internal space of the cabinet body is greatly improved, and the circulation of air in the cabinet body can be accelerated, so that the interior of the cabinet body is rapidly cooled, the cooling effect of the interior of the cabinet body is improved, an electric fan can blow more electrical equipment, and the service life of the electrical equipment is prolonged. And more heat of the electrical equipment is blown out, so that the interior of the cabinet body is better cooled.

Description

Technical Field

[0001] The invention relates to the technical field of temperature detection of electrical equipment, and in particular to a temperature measuring device for electrical equipment in a power plant. Background Art

[0002] A power plant, also known as a power station, is a factory that converts various primary energy sources in nature into electrical energy (secondary energy). There are many electrical equipment in a power plant. In order to avoid the electrical equipment from overheating, temperature detection of the electrical equipment is required.

[0003] After searching, a Chinese patent with authorization announcement number CN220418663U discloses a temperature monitoring structure for an electrical cabinet. The device enables the temperature sensor to move back and forth in the cabinet to monitor the temperatures at multiple locations inside the cabinet. However, the temperature monitoring structure of the device is located in the middle of the cabinet, occupying a large space inside the cabinet, greatly reducing the utilization rate of the space inside the cabinet. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a temperature measuring device for electrical equipment in a power plant, mainly to solve the problem that the temperature monitoring structure of the device is located in the middle of a cabinet, occupying a large space inside the cabinet and greatly reducing the utilization rate of the space inside the cabinet.

[0006] (II) Technical solution

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A temperature measuring device for electrical equipment in a power plant comprises a cabinet, wherein two sliding rods are fixedly connected to positions on both sides of the cabinet, a plurality of sliding rods are slidably connected to the outer sides thereof with sliding sleeves, a fixing frame is fixedly connected to one side of the sliding sleeve, a threaded sleeve is fixedly connected between two adjacent fixing frames, a screw rod is provided at a central position between the two sliding rods on the same side, the screw rod is rotatably connected to the bottom inner wall of the cabinet, the screw rod passes through the threaded sleeve and is threadedly connected to the threaded sleeve, a temperature measuring sensor for detecting temperature is fixedly connected to one side of the threaded sleeve, and a temperature measuring sensor for detecting temperature is fixedly connected to the top outer side of the cabinet. The wall is provided with a power component for driving the screw rod to rotate, two baffles are fixedly connected to the positions near the two sides of the cabinet, and the baffles are located in front of the fixed frame, a gap is provided between the two baffles on the same side, and the temperature sensor passes through the gap, and the multiple baffles include two vertical plates, and multiple horizontal plates are fixedly connected between the two vertical plates, and one side of the multiple horizontal plates is provided with multiple fixing holes for installing electrical equipment, two door panels are hinged on one side of the cabinet, and multiple heat dissipation ports are provided on one side of the cabinet, and a blowing component for accelerating the air circulation inside the cabinet is provided in the fixed frame.

[0009] Furthermore, the power assembly includes a square frame, which is fixedly connected to the top outer wall of the cabinet, and a motor is fixedly connected to one side of the square frame. One end of the motor output shaft passes through the square frame and is connected to a worm through a coupling, and the worm is rotatably connected to the square frame. The top ends of the two screws pass through the cabinet and are fixedly connected to a rotating shaft, and the outer key of the rotating shaft is connected to a worm wheel, and the worm wheel is meshed with the worm.

[0010] On the basis of the above-mentioned solution, a top plate is fixedly connected to the top of the square frame, a buzzer is fixedly connected to an outer wall of one side of the square frame, and the buzzer is electrically connected to the temperature sensor.

[0011] As a further solution of the present invention, a warning light is fixedly connected to the outer wall of one side of the frame, two blocks are fixedly connected to the top inner wall of the cabinet, a contact switch is fixedly connected to one side of the two blocks, and the contact switch is electrically connected to the warning light, and a contact block in contact with the contact switch is fixedly connected to one side of the two door panels.

[0012] Furthermore, the blowing assembly includes a frame, which is arranged in a fixed frame. The top inner wall and the bottom inner wall of the fixed frame are rotatably connected to a rotating rod, and the rotating rod is fixed to the frame. An electric fan is fixedly connected in the frame, and the inner walls on both sides of the cabinet are provided with a driving assembly for causing the electric fan to swing.

[0013] On the basis of the above-mentioned scheme, the driving component includes a plurality of wave plates, and the plurality of wave plates are fixedly connected to the inner walls on both sides of the cabinet, and the plurality of wave plates are symmetrically distributed, and the protrusions and recesses of two adjacent wave plates are staggered. The outer walls on both sides of the frame are fixedly connected with fixed blocks, and a ball groove is opened on the side of the fixed block close to the wave plate, and a rotating ball in contact with the wave plate is rollingly connected in the ball groove.

[0014] As a further solution of the present invention, a temperature display panel for displaying the internal temperature of the cabinet is fixedly connected to one side of the two door panels away from the contact block, and the temperature display panel is electrically connected to the temperature measuring sensor.

[0015] Furthermore, a lighting lamp for illuminating the interior of the cabinet is fixedly connected to the top inner wall of the cabinet, and a base is fixedly connected to the bottom outer wall of the cabinet.

[0016] (III) Beneficial effects

[0017] Compared with the prior art, the present invention provides a temperature measuring device for electrical equipment in a power plant, which has the following beneficial effects:

[0018] 1. Through the coordinated use of temperature sensors and baffles, the temperature sensors are set near the two sides of the cabinet to measure the temperature inside the cabinet. At the same time, two baffles are installed in the cabinet, and electrical equipment can be installed on the baffles, thereby reducing the space occupied inside the cabinet and greatly improving the utilization rate of the space inside the cabinet.

[0019] 2. By setting up the blowing component, the blowing component is used to blow air inside the cabinet, so that the air inside the cabinet can be quickly discharged through the heat dissipation port, speeding up the circulation of air inside the cabinet, thereby quickly dissipating heat and cooling the inside of the cabinet, thereby improving the cooling effect inside the cabinet.

[0020] 3. Through the setting of the driving component, the driving component can make the electric fan swing, thereby expanding the blowing range of the electric fan, so that the electric fan can blow to more electrical equipment and blow out more heat from the electrical equipment, thereby better dissipating the heat inside the cabinet.

[0021] 4. Through the coordinated use of the contact switch and the warning light, when the door panel is opened, the contact block is separated from the contact switch and the warning light is turned on, which can remind the staff that the door panel of the cabinet is in an open state, thereby warning the staff and allowing them to close the door panel in time after use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of a temperature measuring device for electrical equipment in a power plant proposed by the present invention;

[0023] Figure 2 A schematic diagram of the internal structure of a cabinet of a temperature measuring device for electrical equipment in a power plant proposed by the present invention;

[0024] Figure 3 A partial cross-sectional structural schematic diagram of a temperature measuring device for electrical equipment in a power plant proposed by the present invention;

[0025] Figure 4 This is a schematic diagram of the internal enlarged structure of a temperature measuring device for electrical equipment in a power plant proposed by the present invention;

[0026] Figure 5 This is a partial enlarged structural schematic diagram of a temperature measuring device for electrical equipment in a power plant proposed by the present invention;

[0027] Figure 6 This is a schematic cross-sectional structure diagram of a fixing frame of a temperature measuring device for electrical equipment in a power plant proposed by the present invention;

[0028] Figure 7 This is a schematic cross-sectional structural diagram of a retaining frame of a temperature measuring device for electrical equipment in a power plant proposed by the present invention;

[0029] Figure 8 This is a schematic diagram of the enlarged structure of part A of a temperature measuring device for electrical equipment in a power plant proposed by the present invention;

[0030] Fig. 9 This is a schematic diagram of the enlarged structure of part B of a temperature measuring device for electrical equipment in a power plant proposed by the present invention;

[0031] Fig.10 This is a schematic diagram of the enlarged structure of the C part of a temperature measuring device for electrical equipment in a power plant proposed by the present invention.

[0032] In the figure: 1. cabinet; 2. base; 3. door panel; 4. frame; 5. top plate; 6. temperature display panel; 7. buzzer; 8. warning light; 9. stop frame; 10. contact block; 11. motor; 12. worm; 13. heat dissipation port; 14. lighting lamp; 15. sleeve; 16. screw rod; 17. slide rod; 18. threaded sleeve; 19. fixing frame; 20. temperature sensor; 21. wave plate; 22. rotating rod; 23. frame; 24. electric fan; 25. vertical plate; 26. horizontal plate; 27. rotating shaft; 28. worm gear; 29. ​​fixing block; 30. ball groove; 31. rotating ball; 32. block; 33. contact switch. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Reference Figure 1-Figure 10 A temperature measuring device for electrical equipment in a power plant comprises a cabinet 1, two sliding rods 17 are fixed by bolts at both sides of the cabinet 1, a plurality of sliding rods 17 are slidably connected to the outer sides of the sliding rods 17, a fixing frame 19 is welded to one side of the sliding sleeve 15, a threaded sleeve 18 is welded between two adjacent fixing frames 19, a screw rod 16 is arranged at the center between the two sliding rods 17 on the same side, the screw rod 16 is rotatably connected to the bottom inner wall of the cabinet 1, the screw rod 16 passes through the threaded sleeve 18 and is threadedly connected to the threaded sleeve 18, and the screw rod 16 passes through the threaded sleeve 18 and is threadedly connected to the threaded sleeve 18. A temperature sensor 20 for detecting temperature is fixed to one side of the threaded sleeve 18 by bolts. The model of the temperature sensor 20 is ATS1-82. A power assembly for driving the screw rod 16 to rotate is provided on the top outer wall of the cabinet 1. The screw rod 16 is driven to rotate forward and reversely by the power assembly. The screw rod 16 drives the threaded sleeve 18 to reciprocate up and down through the threaded engagement between the screw rod 16 and the threaded sleeve 18. The threaded sleeve 18 drives the sliding sleeve 15 to reciprocate up and down along the sliding rod 17 through the fixing frame 19, so that the threaded sleeve 18 The threaded sleeve 18 moves horizontally up and down, and the temperature sensor 20 moves up and down, so that the temperature sensor 20 can perform a more comprehensive temperature measurement on the inside of the cabinet 1. Two retaining frames 9 are fixed by bolts near both sides of the cabinet 1, and the retaining frames 9 are located in front of the fixing frame 19. There is a gap between the two retaining frames 9 on the same side, and the temperature sensor 20 passes through the gap. The multiple retaining frames 9 include two vertical plates 25, and multiple horizontal plates 26 are welded between the two vertical plates 25. One side of the multiple horizontal plates 26 is opened. There are multiple fixing holes for installing electrical equipment. Since the temperature sensor 20 is close to the side panel of the cabinet 1, and a retaining frame 9 is installed in front of the fixing frame 19, the electrical equipment can be installed on the retaining frame 9 through the fixing holes on the horizontal plate 26 inside the retaining frame 9, thereby reducing the occupied space inside the cabinet 1 and greatly improving the utilization rate of the internal space of the cabinet 1. Two door panels 3 are hinged on one side of the cabinet 1, and multiple heat dissipation ports 13 are opened on one side of the cabinet 1. A blowing component for accelerating the air circulation inside the cabinet 1 is provided in the fixing frame 19.

[0035] In the present invention, the power component includes a square frame 4, which is fixed to the top outer wall of the cabinet 1 by bolts, and a motor 11 is fixed to one side of the square frame 4 by bolts, and one end of the output shaft of the motor 11 passes through the square frame 4 and is connected to a worm 12 by a coupling, and the worm 12 is rotatably connected to the square frame 4, and the top ends of the two screw rods 16 pass through the cabinet 1 and are fixed to a rotating shaft 27 by bolts, and the outer key of the rotating shaft 27 is connected to a worm wheel 28, and the worm wheel 28 is meshed with the worm 12, and the worm 12 is driven to rotate forward and reversely by the motor 11, and the worm 12 will drive the worm wheel 28 to rotate forward and reversely, and the worm wheel 28 drives the rotating shaft 27 to rotate forward and reversely, and the rotating shaft 27 drives the screw rod 16 to rotate forward and reversely, and a top plate 5 is fixed to the top of the square frame 4 by bolts, and a buzzer 7 is fixed to the outer wall of one side of the frame 4 by bolts, and the buzzer 7 is electrically connected to the temperature sensor 20, and the temperature sensor 20 is The temperature inside the cabinet 1 is measured. When the temperature inside the cabinet 1 is too high, the buzzer 7 will sound, thereby reminding the staff that the temperature inside the cabinet 1 is too high, so that the staff can cool down the inside of the cabinet 1 in time. A warning light 8 is fixed to the outer wall of one side of the frame 4 by bolts. Two blocks 32 are welded to the top inner wall of the cabinet 1. A contact switch 33 is fixed to one side of the two blocks 32 by bolts, and the contact switch 33 is electrically connected to the warning light 8. A contact block 10 in contact with the contact switch 33 is fixed to one side of the two door panels 3 by bolts. When the door panel 3 is opened, the contact block 10 on the door panel 3 will be separated from the contact switch 33. At this time, the contact switch 33 will turn on the warning light 8, so that the warning light 8 lights up, thereby reminding the staff that the door panel 3 is in an open state, warning the staff, and allowing the staff to close the door panel 3 in time after use.

[0036] The blowing assembly includes a frame 23, which is arranged in the fixed frame 19. The top inner wall and the bottom inner wall of the fixed frame 19 are both rotatably connected with a rotating rod 22, and the rotating rod 22 is fixed to the frame 23. An electric fan 24 is fixed in the frame 23 by bolts. The inner walls on both sides of the cabinet 1 are provided with a driving assembly for swinging the electric fan 24. During the movement of the fixed frame 19, the rotating rod 22 drives the frame 23 to move, and the frame 23 drives the electric fan 24 to move. During the movement of the electric fan 24, the electric fan 24 is started to blow air inside the cabinet 1. The electric fan 24 The wind will be blown toward the electrical equipment, thereby blowing away the heat generated by the electrical equipment and discharging it through the heat dissipation port 13. The electric fan 24 will quickly discharge the air in the cabinet 1 through the heat dissipation port 13 during the blowing process, accelerating the circulation of the air inside the cabinet 1, thereby quickly dissipating the heat and cooling the inside of the cabinet 1, thereby improving the cooling effect inside the cabinet 1. The driving component includes a plurality of wave plates 21, and the plurality of wave plates 21 are fixed to the inner walls of both sides of the cabinet 1 by bolts. The plurality of wave plates 21 are symmetrically distributed, and the protrusions and recesses of two adjacent wave plates 21 are staggered. The frame 2 The outer walls of both sides of the frame 23 are welded with fixed blocks 29. A ball groove 30 is provided on one side of the fixed block 29 close to the wave plate 21. A rotating ball 31 in contact with the wave plate 21 is rotatably connected in the ball groove 30. The frame 23 drives the fixed block 29 to move during the movement. The rotating ball 31 contacts the wave plate 21 during the movement of the fixed block 29. Therefore, the frame 23 swings through the rotating rod 22 under the action of the staggered protrusions and depressions on the two wave plates 21. The frame 23 drives the electric fan 24 to swing, so that the electric fan 24 blows more Electrical equipment, blows out more heat from the electrical equipment, thereby better dissipating heat inside the cabinet 1, the two door panels 3 are fixed with a temperature display panel 6 for displaying the internal temperature of the cabinet 1 by bolts on one side away from the contact block 10, and the temperature display panel 6 is electrically connected to the temperature sensor 20, and the top inner wall of the cabinet 1 is fixed with a lighting lamp 14 for illuminating the inside of the cabinet 1 by bolts, and the lighting lamp 14 illuminates the inside of the cabinet 1, so as to facilitate the staff to operate the inside of the cabinet 1 at night, and the bottom outer wall of the cabinet 1 is fixed with a base 2 by bolts.

[0037] Working principle of this embodiment: When in use, the motor 11 drives the worm 12 to rotate forward and reversely, the worm 12 drives the worm wheel 28 to rotate forward and reversely, the worm wheel 28 drives the rotating shaft 27 to rotate forward and reversely, the rotating shaft 27 drives the screw rod 16 to rotate forward and reversely, the screw rod 16 drives the threaded sleeve 18 to reciprocate up and down through the threaded engagement between the screw rod 16 and the threaded sleeve 18, the threaded sleeve 18 drives the sliding sleeve 15 to reciprocate up and down along the sliding rod 17 through the fixing frame 19, so that the threaded sleeve 18 moves horizontally The threaded sleeve 18 reciprocates up and down, and the temperature sensor 20 is driven to reciprocate up and down, so that the temperature sensor 20 can measure the temperature inside the cabinet 1 more comprehensively. Since the temperature sensor 20 is close to the side plate of the cabinet 1, and a retaining frame 9 is installed in front of the fixing frame 19, the electrical equipment can be installed on the retaining frame 9 through the fixing holes on the horizontal plate 26 in the retaining frame 9, thereby reducing the occupation of the internal space of the cabinet 1 and greatly improving the utilization rate of the internal space of the cabinet 1. During the movement, the frame 23 will be driven to move by the rotating rod 22, and the frame 23 will drive the electric fan 24 to move. During the movement of the electric fan 24, the electric fan 24 is started to blow air to the inside of the cabinet 1. The electric fan 24 will blow the wind to the electrical equipment, thereby blowing away the heat generated by the electrical equipment and discharging it through the heat dissipation port 13. During the blowing process, the electric fan 24 will quickly discharge the air in the cabinet 1 through the heat dissipation port 13, accelerate the circulation of the air inside the cabinet 1, thereby quickly dissipating the heat and cooling the inside of the cabinet 1, and improve the cooling effect inside the cabinet 1. During the movement, the frame 23 will drive the fixed block 29 to move. During the movement, the fixed block 29 contacts the wave plate 21 due to the rotating ball 31. Therefore, under the action of the protrusions and depressions staggered on the two wave plates 21, the frame 23 will swing through the rotating rod 22. The frame 23 will drive the electric fan 24 to swing, so that the electric fan 24 blows to more electrical equipment, blows out more heat from the electrical equipment, and thus better dissipates heat inside the cabinet 1.

[0038] The electrical components mentioned in this article are all connected to an external main controller and 220V mains electricity, and the main controller can be a conventional known device for controlling a computer or the like.

[0039] In the description of this article, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection; it can be a mechanical connection, it can be an electrical connection, or it can be a direct connection. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0040] In the description herein, it should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A temperature measuring device for electrical equipment in a power plant, comprising a cabinet (1), characterized in that: Two sliding rods (17) are fixedly connected at positions on both sides of the cabinet (1), and a plurality of sliding rods (17) are slidably connected to the outer sides of the sliding rods (17), and a fixed frame (19) is fixedly connected to one side of the sliding frame (15), and a threaded sleeve (18) is fixedly connected between two adjacent fixed frames (19). A screw rod (16) is provided at a central position between the two sliding rods (17) on the same side, and the screw rod (16) is rotatably connected to the bottom inner wall of the cabinet (1), and the screw rod (16) passes through the threaded sleeve (18) and is threadedly connected to the threaded sleeve (18), and a temperature sensor (20) for detecting temperature is fixedly connected to one side of the threaded sleeve (18), and a driving screw rod (20) is provided on the top outer wall of the cabinet (1). 16) a power component for rotating, two baffles (9) are fixedly connected near both sides of the cabinet (1), and the baffles (9) are located in front of the fixed frame (19), a gap is provided between the two baffles (9) located on the same side, and the temperature sensor (20) passes through the gap, the multiple baffles (9) each include two vertical plates (25), a plurality of horizontal plates (26) are fixedly connected between the two vertical plates (25), and a plurality of fixing holes for installing electrical equipment are provided on one side of the multiple horizontal plates (26), two door panels (3) are hinged on one side of the cabinet (1), a plurality of heat dissipation ports (13) are provided on one side of the cabinet (1), and a blowing component for accelerating the air circulation inside the cabinet (1) is provided in the fixed frame (19).

2. The temperature measuring device for electrical equipment in a power plant according to claim 1, characterized in that: The power assembly comprises a square frame (4), the square frame (4) is fixedly connected to the top outer wall of the cabinet (1), one side of the square frame (4) is fixedly connected to a motor (11), one end of the output shaft of the motor (11) passes through the square frame (4) and is connected to a worm (12) via a coupling, and the worm (12) is rotatably connected to the square frame (4), the top ends of the two lead screws (16) pass through the cabinet (1) and are fixedly connected to a rotating shaft (27), the outer key of the rotating shaft (27) is connected to a worm wheel (28), and the worm wheel (28) is meshed with the worm (12).

3. The temperature measuring device for electrical equipment in a power plant according to claim 2, characterized in that: A top plate (5) is fixedly connected to the top of the square frame (4), a buzzer (7) is fixedly connected to an outer wall of one side of the square frame (4), and the buzzer (7) is electrically connected to a temperature measuring sensor (20).

4. The temperature measuring device for electrical equipment in a power plant according to claim 3, characterized in that: A warning light (8) is fixedly connected to an outer wall of one side of the frame (4); two blocks (32) are fixedly connected to the top inner wall of the cabinet (1); a contact switch (33) is fixedly connected to one side of the two blocks (32); the contact switch (33) is electrically connected to the warning light (8); and a contact block (10) in contact with the contact switch (33) is fixedly connected to one side of the two door panels (3).

5. The temperature measuring device for electrical equipment in a power plant according to claim 1, characterized in that: The blowing assembly comprises a frame (23), the frame (23) being arranged in a fixed frame (19), the top inner wall and the bottom inner wall of the fixed frame (19) being rotatably connected to a rotating rod (22), and the rotating rod (22) being fixed to the frame (23), an electric fan (24) being fixedly connected in the frame (23), and drive assemblies for causing the electric fan (24) to swing are arranged on the inner walls on both sides of the cabinet (1).

6. The temperature measuring device for electrical equipment in a power plant according to claim 5, characterized in that: The driving assembly comprises a plurality of wave plates (21), the plurality of wave plates (21) being fixedly connected to the inner walls on both sides of the cabinet (1), the plurality of wave plates (21) being symmetrically distributed, the convex parts and concave parts of two adjacent wave plates (21) being staggeredly distributed, the outer walls on both sides of the frame (23) being fixedly connected to fixed blocks (29), a ball groove (30) being provided on one side of the fixed block (29) close to the wave plate (21), a rotating ball (31) being rollingly connected in contact with the wave plate (21) in the ball groove (30).

7. The temperature measuring device for electrical equipment in a power plant according to claim 4, characterized in that: A temperature display panel (6) for displaying the internal temperature of the cabinet (1) is fixedly connected to one side of the two door panels (3) away from the contact block (10), and the temperature display panel (6) is electrically connected to the temperature measuring sensor (20).

8. The temperature measuring device for electrical equipment in a power plant according to claim 1, characterized in that: The top inner wall of the cabinet (1) is fixedly connected to a lighting lamp (14) for illuminating the interior of the cabinet (1), and the bottom outer wall of the cabinet (1) is fixedly connected to a base (2).

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