Alternating current low-voltage power distribution cabinet with protection structure

Abstract

The application relates to the technical field of power distribution cabinets, and discloses an alternating-current low-voltage power distribution cabinet with a protection structure, which comprises a cabinet body, a cabinet door arranged on one side of the cabinet body, a base arranged at the bottom of the cabinet body, and a heat dissipation assembly arranged at the top of the cabinet body; the heat dissipation assembly comprises a water storage groove and a heat dissipation pipe communicated with the bottom of the water storage groove; the heat dissipation pipe is arranged in a coiled mode on the inner wall of the cabinet body; and a water tank is communicated with the bottom of the heat dissipation pipe; the power distribution cabinet further comprises a blowdown assembly arranged in the water storage groove; a scraper is arranged in the blowdown assembly; and a traction assembly is arranged between the scraper and the water tank. The water storage groove is arranged at the top of the cabinet body, water is stored in the water storage groove, the heat dissipation pipe arranged on the cabinet body is communicated with the water storage groove, a flow guide pipe is arranged at the bottom of the water storage groove, water flow is guided into the heat dissipation pipe through the flow guide pipe, and the water flow forms a circulating flow; the water flow is used to cooperate with other heat dissipation mechanisms to effectively cool the power distribution cabinet, and the cooling effect is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of power distribution cabinets, in particular to an alternating-current low-voltage power distribution cabinet with a protection structure. BACKGROUND

[0002] Power distribution cabinets (boxes) are divided into power distribution cabinets (boxes) and lighting distribution cabinets (boxes), and metering cabinets (boxes), which are the terminal devices of a power distribution system, and the power distribution cabinet is a motor control center, and the power distribution cabinet is used in a situation where the load is relatively dispersed and the circuit is less; the motor control center is used in a situation where the load is concentrated and the circuit is more, and the motor control center distributes the electric energy of a circuit of an upper-level power distribution device to the nearby load, and the motor control center should provide protection, monitoring and control for the load. The general power distribution cabinet is easily affected by the weather and is prone to dampness, thereby damaging and corroding the internal electrical components of the power distribution cabinet and causing losses, and the general power distribution cabinet has poor heat dissipation performance, which affects the service life of the power distribution cabinet.

[0003] A high-low voltage power distribution cabinet with a protection structure disclosed in Patent No. CN114825074A includes a power distribution cabinet body, a damp-proof base is fixedly installed at the lower end of the power distribution cabinet body, a coarse sand layer is fixedly installed at the lower side in the interior of the damp-proof base, an oil felt layer is fixedly installed at the upper end of the coarse sand layer in the interior of the damp-proof base, a ventilation opening is fixedly arranged at the left end of the power distribution cabinet body, a drive motor is fixedly installed at the upper side of the ventilation opening in the interior of the power distribution cabinet body, and a first connecting shaft is fixedly installed at the lower end of the transmission end of the drive motor. The high-low voltage power distribution cabinet with the protection structure can prevent the power distribution cabinet from being damaged and corroded due to dampness by installing the coarse sand layer and the oil felt layer, thereby prolonging the service life of the device, and the humidity sensor and the drive motor are installed, when the humidity is too high, the microprocessor starts the drive motor, and the baffle is driven to rotate to close the ventilation opening, thereby preventing external humidity from entering the interior of the device and protecting the power distribution cabinet.

[0004] However, the prior art and the above-mentioned technology still have the following defects:

[0005] During the long-term use of the power distribution cabinet, the heat generated in the interior of the power distribution cabinet is not sufficient to ensure the use safety of the electrical components only by the heat dissipation opening or the heat dissipation fan. Therefore, an alternating-current low-voltage power distribution cabinet with a protection structure is needed to solve the above-mentioned problems. SUMMARY

[0006] The application provides an alternating-current low-voltage power distribution cabinet with a protection structure, which solves the problem that the heat generated in the interior of the power distribution cabinet during the long-term use of the power distribution cabinet is not sufficient to ensure the use safety of the electrical components only by the heat dissipation opening or the heat dissipation fan.

[0007] The application provides the following technical scheme: an alternating current low-voltage power distribution cabinet with a protection structure, comprising a cabinet body, a cabinet door arranged on one side of the cabinet body, a base arranged at the bottom of the cabinet body, and a heat dissipation assembly arranged at the top of the cabinet body, wherein the heat dissipation assembly comprises a water storage tank and a heat dissipation pipe communicated with the bottom of the water storage tank, the heat dissipation pipe is arranged in a coiled manner on the inner wall of the cabinet body, and a water tank is communicated with the bottom of the heat dissipation pipe; the power distribution cabinet further comprises a pollution discharge assembly arranged in the water storage tank, a scraper arranged in the pollution discharge assembly, and a traction assembly arranged between the scraper and the water tank.

[0008] As an optional solution of the alternating current low-voltage power distribution cabinet with the protection structure, the water storage tank is symmetrically provided with a drain port, a flow guide pipe is communicated with the bottom of the drain port, the flow guide pipe is communicated with the water inlet of the heat dissipation pipe, and a mounting rack for mounting electrical devices is arranged on one side of the heat dissipation pipe in the cabinet body.

[0009] As an optional solution of the alternating current low-voltage power distribution cabinet with the protection structure, the bottom of the water tank is provided with first springs at four corners, the bottom of each first spring is connected to the bottom surface in the cabinet body, and the top of the water tank is communicated with the water outlet of the heat dissipation pipe through a hose.

[0010] As an optional solution of the alternating current low-voltage power distribution cabinet with the protection structure, the water tank is symmetrically provided with two groups of connecting racks, the bottom of each connecting rack is connected to a sealing plate through a second spring, a through hole is formed in the bottom of the water tank, the sealing plate is sealingly arranged in the through hole, the bottom of the cabinet body is provided with two groups of jacks, the jacks and the sealing plate are correspondingly arranged, and two groups of limiting plates are symmetrically arranged on the two sides of the sealing plate at the bottom of the water tank.

[0011] As an optional solution of the alternating current low-voltage power distribution cabinet with the protection structure, the pollution discharge assembly further comprises a pollution discharge port arranged on one side of the water storage tank, first flaps that can be turned over are arranged outside the pollution discharge port, a push rod is arranged on the side of the scraper close to the pollution discharge port, and the push rod and the first flaps are correspondingly arranged.

[0012] As an optional solution of the alternating current low-voltage power distribution cabinet with the protection structure, the scraper is slidingly connected to the water storage tank, and a third spring is connected between the side of the scraper and the inner wall of the water storage tank.

[0013] As an optional solution of the alternating current low-voltage power distribution cabinet with the protection structure, second flaps are symmetrically arranged on the two sides of the water storage tank, shaft sleeves are arranged between the second flaps and the water storage tank, a pin shaft is rotatably connected in the shaft sleeve, a torsional spring is arranged on the pin shaft, and the torsional spring is connected between the shaft sleeve and the second flaps.

[0014] As an optional solution of the alternating current low-voltage power distribution cabinet with a protection structure, the traction assembly comprises a traction rope, one end of the traction rope is connected to one side of the scraper, the other end of the traction rope is connected to one side of the water tank, one side of the water storage tank is provided with a through hole for the traction rope, one side of the through hole is provided with an ear plate on the outer wall of the cabinet body, and adjacent two groups of the ear plates are rotatably provided with pulleys, and the traction rope is in transmission with the pulleys.

[0015] As an optional solution of the alternating current low-voltage power distribution cabinet with a protection structure, the traction assembly comprises a traction rope, one end of the traction rope is connected to one side of the scraper, the other end of the traction rope is connected to one side of the water tank, one side of the water storage tank is provided with a through hole for the traction rope, one side of the through hole is provided with an ear plate on the outer wall of the cabinet body, and adjacent two groups of the ear plates are rotatably provided with pulleys, and the traction rope is in transmission with the pulleys.

[0016] As an optional solution of the alternating current low-voltage power distribution cabinet with a protection structure, the traction assembly comprises a traction rope, one end of the traction rope is connected to one side of the scraper, the other end of the traction rope is connected to one side of the water tank, one side of the water storage tank is provided with a through hole for the traction rope, one side of the through hole is provided with an ear plate on the outer wall of the cabinet body, and adjacent two groups of the ear plates are rotatably provided with pulleys, and the traction rope is in transmission with the pulleys.

[0017] The present application has the following advantages:

[0018] 1. The alternating current low-voltage power distribution cabinet with a protection structure is provided with a water storage tank on the top of the cabinet body, water is stored in the water storage tank, the water storage tank is communicated with the heat dissipation pipe arranged on the cabinet body, the bottom of the water storage tank is provided with a flow guide pipe, water flow is guided into the heat dissipation pipe through the flow guide pipe, and the water flow forms a circulating flow, so that the power distribution cabinet is effectively cooled by the water flow in cooperation with other heat dissipation mechanisms, and the cooling effect is improved.

[0019] 2. The alternating current low-voltage power distribution cabinet with a protection structure is provided with a first spring at the bottom of the water tank, so that the water tank is elastically and slidably connected to the cabinet body, and the water tank can move up and down when subjected to external force; the bottom of the cabinet body is provided with a top rod corresponding to the sealing plate, the top rod can lift the sealing plate, so that the sealing plate is separated from the through hole, and water in the water tank is discharged through the through hole, thereby realizing the automatic water discharge function.

[0020] 3. The alternating current low-voltage power distribution cabinet with a protection structure is provided with a pollution discharge assembly in the water storage tank, so that accumulated impurities and dirt can be removed, and the automatic cleaning function is realized; the water tank moves up and down, drives the traction rope, pulls the scraper, and makes the scraper slide along the inner bottom surface of the water storage tank, so that the dirt is pushed to the pollution discharge port and discharged from the water storage tank, thereby ensuring the normal water storage function of the water storage tank.

[0021] 4. The alternating current low-voltage power distribution cabinet with a protection structure, through the slidable friction plate arranged on the surface of the heat dissipation pipe, the cleaning groove is arranged in the friction plate, the heat dissipation pipe can be cleaned completely as far as possible when moving, the stability of the friction plate moving on the surface of the heat dissipation pipe can be guaranteed, the cleaning effect of the heat dissipation pipe is finally guaranteed, and the heat dissipation effect of the heat dissipation pipe is finally guaranteed. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a front view of the three-dimensional structure of the application.

[0023] Figure 2 It is a side view of the three-dimensional structure of the application.

[0024] Figure 3 It is a three-dimensional structure of the application.

[0025] Figure 4 It is a sectional view of the structure of the application.

[0026] Figure 5 It is a sectional view of the structure of the application.

[0027] Figure 6 It is a rear view of the three-dimensional structure of the application.

[0028] Figure 7 It is a Figure 6 structure of the application.

[0029] Figure 8 It is a Figure 6 structure of the application.

[0030] In the figure: 1, cabinet; 2, cabinet door; 3, water storage tank; 4, base; 5, water tank; 6, first spring; 7, mounting frame; 8, drain; 9, flow guide pipe; 10, heat dissipation pipe; 11, hose; 12, sealing plate; 13, limiting plate; 14, top rod; 15, connecting frame; 16, second spring; 17, scraper; 18, traction rope; 19, sewage outlet; 20, push rod; 21, first baffle; 22, ear plate; 23, pulley; 24, second baffle; 25, third spring; 26, shaft sleeve; 27, pin shaft; 28, torsion spring; 29, adjusting seat; 30, track; 31, friction plate; 32, tension spring; 33, cleaning groove; 34, connecting rod. DETAILED DESCRIPTION

[0031] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those of ordinary skill in the art without creative effort should fall into the scope of the present application.

[0032] Embodiment one, please refer to Figures 1 to 8 The application discloses an alternating current low-voltage power distribution cabinet with a protection structure, which comprises a cabinet body 1, a cabinet door 2 arranged on one side of the cabinet body 1, and a base 4 arranged at the bottom of the cabinet body 1. A heat dissipation assembly is arranged at the top of the cabinet body 1, and the heat dissipation assembly comprises a water storage groove 3 and a heat dissipation pipe 10 communicated with the bottom of the water storage groove 3. The heat dissipation pipe 10 is arranged in a coiled manner on the inner wall of the cabinet body 1, and a water tank 5 is communicated with the bottom of the heat dissipation pipe 10. Symmetrical drainage openings 8 are arranged in the water storage groove 3, and a flow guide pipe 9 is communicated with the bottom of each drainage opening 8 and the water inlet of the heat dissipation pipe 10.

[0033] In the embodiment, the water storage groove 3 is arranged at the top of the cabinet body 1, and water is stored in the water storage groove 3. The heat dissipation pipe 10 arranged on the cabinet body 1 is communicated with the water storage groove 3, and the water flow is used in cooperation with other heat dissipation mechanisms to effectively cool the power distribution cabinet. Meanwhile, the water tank 5 is communicated with the bottom of the heat dissipation pipe 10, so that the circulating water can be stored and recycled, and the water resources can be used efficiently. The heat dissipation pipe 10 is arranged in a coiled manner on the inner wall of the cabinet body 1, so that the heat dissipation area is increased and the heat dissipation efficiency is improved. Specifically, the flow guide pipe 9 is arranged at the bottom of the water storage groove 3, and the water flow is guided into the heat dissipation pipe 10 through the flow guide pipe 9, so that the circulating flow is formed, and the temperature inside the cabinet body 1 is effectively reduced.

[0034] It should be noted that, in actual application, a water storage bucket can be arranged on one side of the cabinet body 1, the water storage bucket is connected with the water storage groove 3 through a water pipe, and a water pump is arranged on the water storage bucket. In sunny days, the water pump can deliver the water in the water storage bucket to the water storage groove 3, and in rainy seasons, the rainwater can be directly stored in the water storage groove 3 for cooling, so that the dual effects of energy saving and environmental protection are achieved.

[0035] The heat dissipation pipe 10 is arranged on one side of the cabinet body 1 and is provided with a mounting rack 7 for mounting electrical devices.

[0036] In the embodiment, the mounting rack 7 for mounting electrical devices is arranged in the cabinet body 1. The mounting rack 7 is made of metal material and has good heat conduction performance. The heat dissipation pipe 10 is arranged on one side of the mounting rack 7, so that the heat can be quickly conducted to the heat dissipation pipe 10 through the mounting rack 7, and the heat dissipation efficiency is further improved. Meanwhile, a plurality of mounting holes are arranged on the mounting rack 7, so that different electrical devices can be flexibly mounted according to the sizes of the electrical devices, and the applicability and space utilization rate of the power distribution cabinet are improved.

[0037] Embodiment two, this embodiment is made on the basis of the explanation of embodiment one, specific, please refer to Figures 1 to 8 The first spring 6 is arranged at the bottom of the water tank 5, the bottom of the first spring 6 is connected to the inner bottom surface of the cabinet 1, and the top of the water tank 5 is communicated with the water outlet of the heat dissipation pipe 10 through the hose 11. Two groups of connecting frames 15 are symmetrically arranged in the water tank 5, the bottom of the connecting frame 15 is connected with the sealing plate 12 through the second spring 16, a through hole is arranged at the bottom of the water tank 5, the sealing plate 12 is sealingly arranged in the through hole, and two groups of top rods 14 are arranged at the bottom of the cabinet 1, the top rod 14 and the sealing plate 12 are correspondingly arranged, and two groups of limiting plates 13 are symmetrically arranged at the bottom of the water tank 5 and located on both sides of the sealing plate 12.

[0038] In this embodiment, the first spring 6 is used to slidingly connect the water tank 5 in the cabinet 1, so that the water tank 5 can move up and down when subjected to external force. When the water amount in the water tank 5 increases, the water tank 5 will compress the first spring 6 due to gravity, at this time, the top rod 14 will lift the sealing plate 12, so that the sealing plate 12 is separated from the through hole, thereby discharging the water in the water tank 5 through the through hole, realizing the automatic drainage function. When the water amount decreases, the water tank 5 is reset upwards, and the sealing plate 12 reseals the through hole under the action of the second spring 16, thereby preventing water leakage and restoring the water storage function of the water tank 5.

[0039] It should be noted that the design of the limiting plate 13 can effectively limit the movement range of the sealing plate 12, ensure that the sealing plate 12 will not leak due to the increase of the water amount, and avoid that the water amount in the water tank 5 cannot meet the demand.

[0040] Embodiment three, this embodiment is made on the basis of the explanation of embodiment one, specific, please refer to Figures 1 to 8 Further comprising a sewage discharge assembly arranged in the water storage tank 3, the sewage discharge assembly is provided with a scraper 17, and a traction assembly is arranged between the scraper 17 and the water tank 5. The sewage discharge assembly further comprises a sewage discharge port 19 arranged on one side of the water storage tank 3, and a first baffle 21 which can be turned over is arranged outside the sewage discharge port 19. A push rod 20 is arranged on the side of the scraper 17 close to the sewage discharge port 19, and the push rod 20 and the first baffle 21 are correspondingly arranged.

[0041] In this embodiment, considering that impurities and pollutants will accumulate in the water storage tank 3 during long-term use of the cabinet 1, affecting the drainage effect, the sewage discharge assembly is arranged to realize the automatic cleaning function. When the water tank 5 moves up and down, the scraper 17 is driven to reciprocate in the water storage tank 3 through the traction assembly, so as to collect and push the impurities at the bottom of the water storage tank 3 to the sewage discharge port 19. During the pushing process of the scraper 17, the push rod 20 will abut against the first baffle 21 to make it turn over and open, so that the impurities can be smoothly discharged. After the drainage is completed, the first baffle 21 is reset and closed under the action of its own gravity or elastic member, so as to prevent foreign matters from entering. The structure design is reasonable, which not only realizes the automatic sewage discharge function of the water storage tank 3, but also effectively guarantees the operation safety and stability of the whole power distribution cabinet.

[0042] The scraper 17 is slidably connected to the water storage tank 3, and a third spring 25 is connected between one side of the scraper 17 and the inner wall of the water storage tank 3.

[0043] To ensure the scraper 17 returns to its original position, a third spring 25 is installed on the side of the scraper 17 furthest from the drain outlet 19. The third spring 25 provides reset force after the scraper 17 completes its discharge action, returning the scraper 17 to its initial position, thus completing one discharge cycle. This design effectively improves the working efficiency and automation of the discharge assembly, reduces the frequency of manual maintenance, and extends the service life of the distribution cabinet.

[0044] Example 4 is an explanation based on Example 1. For details, please refer to [link / reference]. Figures 1 to 8 The traction assembly includes a traction rope 18. One end of the traction rope 18 is connected to one side of the scraper 17, and the other end of the traction rope 18 is connected to one side of the water tank 5. A through hole for the traction rope 18 is provided on one side of the water storage tank 3. An ear plate 22 is provided on one side of the through hole on the outer wall of the cabinet 1. A pulley 23 rotates between two adjacent sets of ear plates 22, and the traction rope 18 is driven by the pulley 23.

[0045] In this embodiment, the provided traction assembly includes a traction rope 18, a lug 22, and a pulley 23. The rotation of the pulley 23 guides and transmits the traction rope 18, thereby effectively transmitting the power of the water tank 5's up-and-down movement to the scraper 17, ensuring that the scraper 17 slides stably within the water storage tank 3. This structure not only improves the transmission efficiency of the traction assembly but also reduces the wear of the traction rope 18, extends its service life, and makes the entire sewage discharge process smoother and more reliable.

[0046] When the water tank 5 reaches the set value, the water tank 5 moves downward due to gravity, and the traction rope 18 pulls the scraper 17, causing it to slide along the inner bottom surface of the water storage tank 3, pushing the dirt to the drain outlet 19.

[0047] The water storage tank 3 is symmetrically provided with second baffles 24 on both sides. A bushing 26 is provided between the second baffles 24 and the water storage tank 3. A pin 27 is rotatably connected inside the bushing 26. A torsion spring 28 is provided on the outside of the pin 27. The torsion spring 28 is connected between the bushing 26 and the second baffle 24.

[0048] In this embodiment, second baffles 24 are provided on both sides of the water storage tank 3. When the scraper 17 is in the initial position, it applies a certain pressure to the second baffles 24 to keep the second baffles 24 in a stable state and ensure the sealing of the water storage tank 3. When the scraper 17 slides, the second baffles 24 are elastically reset by the torsion spring 28, opening both sides of the water storage tank 3 so that the dirt brought back during the reset process of the scraper 17 can be discharged, avoiding the accumulation of dirt inside the water storage tank 3 and affecting the subsequent sewage discharge effect.

[0049] The embodiment five is explained on the basis of the embodiment one, please refer to Figures 1 to 8 The surface of the heat dissipation pipe 10 is provided with a friction plate 31, the friction plate 31 is provided with a cleaning groove 33 matched with the heat dissipation pipe 10, and the friction plate 31 reciprocally moves on the surface of the heat dissipation pipe 10. The two groups of friction plates 31 are connected with a tension spring 32, the top of the friction plate 31 is provided with an adjusting seat 29, the inner wall of the cabinet 1 is symmetrically provided with two groups of rails 30, the adjusting seat 29 is slidingly connected between the two groups of rails 30, the surface of the adjusting seat 29 abutting the friction plate 31 is provided as an inclined surface, and the adjusting seat 29 and the water tank 5 are connected with a connecting rod 34.

[0050] In the embodiment, the surface of the heat dissipation pipe 10 is provided with a slidable friction plate 31, and the friction plate 31 is provided with a cleaning groove 33. The heat dissipation pipe 10 can be cleaned as completely as possible during movement, and the stability of the friction plate 31 moving on the surface of the heat dissipation pipe 10 can be ensured.

[0051] During the cleaning process, the adjusting seat 29 and the water tank 5 are connected through the connecting rod 34, so that the water tank 5 drives the adjusting seat 29 to slide along the rail 30 when moving up and down, thereby driving the friction plate 31 to reciprocally move on the surface of the heat dissipation pipe 10, and realizing automatic cleaning function. The design effectively improves the cleaning efficiency of the heat dissipation pipe 10, reduces the frequency of manual maintenance, and ensures the long-term stable operation of the power distribution cabinet. In addition, the setting of the tension spring 32 can ensure that the two groups of friction plates 31 are always closely attached to the surface of the heat dissipation pipe 10, improve the cleaning effect, and prevent the friction plate 31 from deviating or being stuck during reciprocating movement. Through the cooperation design of the rail 30 and the adjusting seat 29, the whole cleaning process is more stable and reliable, and the automatic maintenance level of the internal heat dissipation system of the power distribution cabinet is further improved. In actual application, when the water tank 5 is displaced due to water replenishment or drainage, the connecting rod 34 is driven to move, so that the adjusting seat 29 reciprocally slides along the rail 30, and the friction plate 31 moves on the surface of the heat dissipation pipe 10, realizing automatic cleaning. This linkage mechanism fully utilizes the displacement change of the water tank 5, without the need for an additional power source, saving energy and protecting the environment, while effectively maintaining the cleanliness of the surface of the heat dissipation pipe 10, ensuring the stability of the internal temperature of the power distribution cabinet, and improving the overall operation safety and reliability. It is worth mentioning that the design also has a certain self-adapting ability of the friction plate 31 during movement through the inclined surface structure of the adjusting seat 29, which can ensure that the two groups of friction plates 31 are closely attached to the surface of the heat dissipation pipe 10 by the downward movement of the adjusting seat 29, and can move to ensure the cleaning effect of the heat dissipation pipe 10, and finally ensure the heat dissipation effect of the heat dissipation pipe 10.

[0052] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, goods, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, goods, or apparatus.

[0053] The above description is only a preferred embodiment of the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present invention, and these improvements and modifications should also be considered within the scope of protection of the present invention.

Claims

1. An AC low-voltage distribution cabinet with a protective structure, comprising a cabinet body (1), a cabinet door (2) provided on one side of the cabinet body (1), and a base (4) provided at the bottom of the cabinet body (1), characterized in that: The cabinet (1) is provided with a heat dissipation component on the top. The heat dissipation component includes a water tank (3) and a heat dissipation pipe (10) connected to the bottom of the water tank (3). The heat dissipation pipe (10) is coiled around the inner wall of the cabinet (1). The bottom of the heat dissipation pipe (10) is connected to a water tank (5). It also includes a sewage discharge assembly installed in the water storage tank (3), wherein a scraper (17) is installed in the sewage discharge assembly, and a traction assembly is installed between the scraper (17) and the water tank (5); The surface of the heat sink (10) is provided with a friction plate (31), and a cleaning groove (33) matching the heat sink (10) is opened in the friction plate (31). The friction plate (31) moves back and forth on the surface of the heat sink (10). A tension spring (32) is connected between the two sets of friction plates (31), and an adjustment seat (29) is provided on the top of the friction plate (31). Two sets of rails (30) are symmetrically arranged on the inner wall of the cabinet (1). The adjustment seat (29) is slidably connected between the two sets of rails (30). The surface of the adjustment seat (29) that is in contact with the friction plate (31) is set as an inclined surface. A connecting rod (34) is connected between the adjustment seat (29) and the water tank (5).

2. The AC low-voltage distribution cabinet with a protective structure according to claim 1, characterized in that: The water storage tank (3) is symmetrically provided with drain outlets (8), and the bottom of the drain outlets (8) is connected to a guide pipe (9). The guide pipe (9) and the water inlet of the heat dissipation pipe (10) are connected. The heat dissipation pipe (10) is provided with a mounting bracket (7) for installing electrical components on one side inside the cabinet (1).

3. The AC low-voltage distribution cabinet with a protective structure according to claim 1, characterized in that: The bottom of the water tank (5) is provided with a first spring (6) at the four corners. The bottom of the first spring (6) is connected to the bottom surface of the cabinet (1). The top of the water tank (5) is connected to the outlet of the heat dissipation pipe (10) through a hose (11).

4. The AC low-voltage distribution cabinet with a protective structure according to claim 3, characterized in that: Two sets of connecting frames (15) are symmetrically arranged inside the water tank (5). The bottom of the connecting frame (15) is connected to a sealing plate (12) by a second spring (16). The bottom of the water tank (5) has a through hole. The sealing plate (12) is sealed inside the through hole. The bottom of the cabinet (1) is provided with two sets of top rods (14). The top rods (14) and the sealing plate (12) are arranged correspondingly. The bottom of the water tank (5) is symmetrically provided with two sets of limiting plates (13) on both sides of the sealing plate (12).

5. The AC low-voltage distribution cabinet with a protective structure according to claim 1, characterized in that: The sewage discharge assembly also includes a sewage outlet (19) located on one side of the water storage tank (3). A first baffle (21) that can be flipped is provided on the outside of the sewage outlet (19). A push rod (20) is provided on the side of the scraper (17) near the sewage outlet (19). The push rod (20) and the first baffle (21) are provided in correspondence.

6. The AC low-voltage distribution cabinet with a protective structure according to claim 5, characterized in that: The scraper (17) is slidably connected to the water storage tank (3), and a third spring (25) is connected between one side of the scraper (17) and the inner wall of the water storage tank (3).

7. The AC low-voltage distribution cabinet with a protective structure according to claim 6, characterized in that: The water storage tank (3) is symmetrically provided with second baffles (24) on both sides. A bushing (26) is provided between the second baffle (24) and the water storage tank (3). A pin (27) is rotatably connected inside the bushing (26). A torsion spring (28) is provided on the outside of the pin (27). The torsion spring (28) is connected between the bushing (26) and the second baffle (24).

8. The AC low-voltage distribution cabinet with a protective structure according to claim 7, characterized in that: The traction assembly includes a traction rope (18), one end of which is connected to one side of the scraper (17), and the other end of which is connected to one side of the water tank (5). A through hole for the traction rope (18) is provided on one side of the water storage tank (3). An ear plate (22) is provided on one side of the through hole on the outer wall of the cabinet (1). A pulley (23) rotates between two adjacent sets of ear plates (22), and the traction rope (18) is driven by the pulley (23).

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