A partition temperature control and heat dissipation air duct structure of a centralized power distribution room of a ship and a use method thereof

Abstract

The application relates to the technical field of heat dissipation air ducts, in particular to a partition temperature control heat dissipation air duct structure of a ship centralized power distribution room and a use method thereof, which comprises spliced pipe sections used for communicating with the inside of the power distribution room, negative pressure fans used for being connected with the negative pressure fans and the negative pressure fans installed outside the power distribution room, one side of the spliced pipe section is connected with the negative pressure fan through a bend section, a wind guide assembly is installed on one side of the upper end of the bend section, a cleaning unit storage section is installed at the bending position of one side of the bend section, a blowing assembly, a driving assembly and a cleaning assembly are installed in the cleaning unit storage section, and a sealing assembly is installed at the opening end of the cleaning unit storage section; the cleaning assembly comprises a center plate, eight electric push plates with a remote control system are installed around the center plate, and the top end of the moving end of the center plate is connected with an elastic cleaning pad. In the application, the blowing assembly, the driving assembly and the cleaning assembly are integrated inside, and the online automatic cleaning of the inner wall of the air duct is realized.

Description

Technical Field

[0001] This invention relates to a zoned temperature-controlled heat dissipation duct structure for a ship's centralized power distribution room and its usage method, belonging to the field of heat dissipation duct technology. Background Technology

[0002] The ship's centralized power distribution room is the core area of ​​the ship's electrical system, housing numerous power distribution cabinets, transformers, and other electrical equipment. This equipment generates significant heat during operation, requiring mechanical ventilation and cooling through a duct system in conjunction with negative pressure fans. The existing duct structure primarily consists of pipe sections, bends, and negative pressure fans. The pipe sections are installed inside the power distribution room and connected to the ceiling via hangers. Bends penetrate the room walls and connect to outdoor negative pressure fans, forming a complete heat dissipation channel. Some systems are also equipped with rotatable air guide components, using air ducts to direct airflow, and employing pipe connection components such as screws, nuts, flat washers, and elastic washers to improve pipe connection stability.

[0003] During long-term operation, the existing ventilation duct structure in ship power distribution rooms easily accumulates dirt on the inner wall due to the presence of large amounts of salt spray, oil mist, and dust in the ship's environment. However, due to the high installation position of the ventilation duct, the narrow internal space, and the closed structure, manual cleaning is extremely difficult, and dust can easily fall onto the power distribution equipment during cleaning, causing secondary pollution. Therefore, there is an urgent need to improve the zoned temperature control and heat dissipation ventilation duct structure and its usage method in ship centralized power distribution rooms to solve the above-mentioned problems. Summary of the Invention

[0004] The purpose of this invention is to provide a zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room and its usage method, in order to solve the problem that in the long-term operation of existing ship power distribution room duct structures, due to the presence of a large amount of salt spray, oil mist and dust in the ship's environment, dirt easily accumulates on the inner wall of the duct. However, due to the high installation position of the duct, the narrow internal space and the closed structure, manual cleaning is extremely difficult, and dust easily falls onto the power distribution equipment during cleaning, causing secondary pollution.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A zoned temperature-controlled heat dissipation duct structure and its usage method for a ship's centralized power distribution room include a splicing pipe joint for communicating with the interior of the power distribution room, a negative pressure fan for connecting to a negative pressure fan, and a negative pressure fan installed outside the power distribution room. One side of the splicing pipe joint is connected to the negative pressure fan via a bend. An air guide assembly is installed on the upper side of the bend. A cleaning unit storage section is installed at the bend on one side of the bend. The cleaning unit storage section contains a blowing assembly, a driving assembly, and a cleaning assembly. A sealing assembly is installed at the open end of the cleaning unit storage section. The cleaning assembly includes a central plate, around which eight electrically operated push plates with remote control systems are installed. The top of the moving end of the central plate is connected to an elastic cleaning pad. A connector for compatibility with a scissor lift is installed at the center of the central plate. The elastic cleaning pad includes a cleaning pad body, with a backflow preventer cloth installed on one side of the cleaning pad body. The backflow preventer cloth has annularly distributed pleated grooves inside.

[0007] Furthermore, the air guide assembly includes a rotating block, one end of which is fixedly connected to a rotating shaft for rotatable connection with a bend, and one side of the rotating block is provided with an arc-shaped air guide groove.

[0008] Furthermore, the blowing assembly includes a one-way air intake valve, one end of which is fixedly connected to a bent pipe, a fixed plate is fixedly connected to the outside of the bent pipe, and the other end of the bent pipe is fixedly connected to a rubber telescopic tube, the other end of which has a blowing hole.

[0009] Furthermore, the one-way air intake valve is installed outside the cleaning unit storage section, the bent pipe passes through the cleaning unit storage section and is fixedly connected to the cleaning unit storage section, the fixing plate is fixedly connected to the inner wall of the cleaning unit storage section, one end of the rubber telescopic tube is open, the other end of the rubber telescopic tube is closed, the open end of the rubber telescopic tube is connected to the bent pipe and the one-way air intake valve, and the closed end of the rubber telescopic tube has a blowhole facing the inner wall of the splicing pipe section.

[0010] Furthermore, the drive assembly includes a scissor lift for pushing the cleaning assembly to move. The drive end of the scissor lift is rotatably connected to a connecting shaft mounted on one side of the drive gear and the driven gear, respectively. The connecting shafts mounted on one side of the drive gear and the driven gear are symmetrically arranged. A central shaft for rotatably connecting with the motor mounting plate is fixedly connected to the center of both the drive gear and the driven gear. The central shaft fixed to the center of the drive gear passes through the motor mounting plate and is fixedly connected to the main shaft of the drive motor.

[0011] Furthermore, the drive motor housing is fixedly connected to the motor mounting plate, and the motor mounting plate is fixedly connected to the inner wall of the cleaning unit storage section.

[0012] Furthermore, the sealing assembly includes a sealing cover with a T-shaped vertical projection, the protruding end of the sealing cover being adapted to the opening of the cleaning unit storage section, and magnetic blocks being installed around the sealing cover.

[0013] Furthermore, the spliced ​​pipe sections are connected to each other, to bends, and to negative pressure fans via pipe section connection assemblies, which include screws, nuts, flat washers, and elastic washers.

[0014] Furthermore, a movable and detachable negative pressure dust collection plate is installed at the bottom of the cleaning unit storage section, a filter screen is installed at the bottom inside the negative pressure dust collection plate, and a fan is installed at the lower end of the filter screen.

[0015] Furthermore, it includes the following steps:

[0016] Step 1: Install the splicing joints at the locations in the ship's power distribution room that require heat dissipation and connect them to the top of the power distribution room via hangers. Then, install multiple splicing pipe sections in sequence until they reach the vicinity of the external wall of the power distribution room. Use bends to penetrate the wall of the power distribution room and connect them to the splicing pipe sections. The end of the installed bend with the negative pressure fan is located outside the power distribution room.

[0017] Step 2: After installation, seal the cleaning unit storage section with the sealing assembly, power on the negative pressure fan, and the entire equipment will start operating;

[0018] Step 3: After the equipment has been running for a period of time, stop the machine and clean the inner wall of the bend;

[0019] Step 31: Open the sealing assembly and install the negative pressure dust collection plate inside the bend to isolate it from the lower end of the bend;

[0020] Step 32: Control the drive motor to rotate the drive gear, so that the scissor lift extends and pushes the cleaning assembly to the farthest position;

[0021] Step 33: After the cleaning component moves to the maximum stroke distance of the drive motor, control multiple electric push plates to extend, so that the elastic cleaning pad contacts the inner wall of the splicing pipe joint and the anti-reverse cloth is fully extended.

[0022] Step 4: Drive the motor to rotate in the opposite direction, control the scissor lift to retract, and make contact with the splicing pipe section through the elastic cleaning pad to clean the inner wall of the splicing pipe section. During the cleaning process, the gas inside the rubber telescopic tube blows the air through the blowing hole to the inner wall of the splicing pipe section, and the negative pressure dust collection plate cleans the dust in the cleaning process, thus completing the cleaning.

[0023] Step 5: After cleaning, reset the entire device, remove the negative pressure dust collection plate, and collect the dust for centralized treatment.

[0024] Compared with the prior art, the beneficial effects of the present invention are:

[0025] 1. This invention achieves online automatic cleaning of the inner wall of the air duct by setting a cleaning unit storage section at the bend of the duct, which integrates a blowing component, a driving component, and a cleaning component. The drive motor drives the scissor lift to extend through gear transmission, pushing the center plate and elastic cleaning pad to move along the inner wall of the duct section. In conjunction with the reciprocating action of the rubber telescopic tube through the one-way air intake valve to draw in air and the blowing hole to exhaust air, the salt spray, oil mist, and dust dirt adhering to the inner wall of the duct section are effectively removed. At the same time, the negative pressure dust collection plate can collect dust in real time during the cleaning process, preventing dust from falling and contaminating the power distribution equipment or causing secondary pollution. This solves the technical problems of traditional manual cleaning being difficult and requiring machine shutdown, and ensures the continuous and stable operation of the power system.

[0026] 2. This invention achieves zoned temperature control and heat dissipation in the ship's centralized power distribution room through a modular combination of spliced ​​pipe sections, bends, and negative pressure fans. The spliced ​​pipe sections can be flexibly arranged at locations requiring heat dissipation according to the different areas of the power distribution room. They are connected to the top of the power distribution room via hangers to form independent air ducts. The arc-shaped air guide slots of the air guide components guide the airflow, allowing different areas to independently adjust the ventilation volume according to the heat generated by the equipment. This avoids energy waste or localized overheating problems caused by integral air ducts, and improves the targeting and energy efficiency ratio of the heat dissipation system.

[0027] 3. This invention features a sealing component at the open end of the cleaning unit storage section, employing a T-shaped sealing cap in conjunction with a magnetic block for rapid sealing. This allows the cleaning component to be completely stored inside the storage section when not in use, avoiding the occupation of air duct space and affecting ventilation efficiency. The electric push plate controls the elastic cleaning pad to retract around the central plate, and works with the scissor lift for folding and storage, achieving compact storage of the cleaning mechanism. This design not only prevents the cleaning mechanism from accumulating dust and failing, but also facilitates maintenance through the sealing cap as an inspection port. In addition, the negative pressure dust collection plate adopts a movable and detachable structure, which facilitates the centralized treatment of dust, significantly reducing system maintenance costs and cycles. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 This is a schematic diagram of the installation location of the cleaning component of the present invention;

[0030] Figure 3 This is a schematic diagram of the air guide component structure of the present invention;

[0031] Figure 4 This is a schematic diagram of the structure of the extrusion component of the present invention;

[0032] Figure 5 This is a schematic diagram of the drive component structure of the present invention;

[0033] Figure 6For the present invention Figure 5 Enlarged structural diagram at point A in the middle;

[0034] Figure 7 This is a schematic diagram of the cleaning component structure of the present invention;

[0035] Figure 8 This is a schematic diagram of the elastic cleaning pad structure of the present invention.

[0036] In the diagram: 1. Connecting pipe joint; 2. Bend; 3. Negative pressure fan; 4. Cleaning unit storage section; 5. Air guide assembly; 51. Rotating block; 52. Rotating shaft; 53. Air guide channel; 6. Blowing assembly; 61. One-way air intake valve; 62. Bend; 63. Fixing plate; 64. Rubber telescopic tube; 65. Blowing hole; 7. Drive assembly; 71. Scissor lifter; 72. Motor fixing plate; 73. Drive motor; 74. Drive gear; 75. Connecting shaft; 76. Driven gear; 8. Sealing assembly; 81. Sealing cover; 82. Magnetic block; 9. Cleaning assembly; 91. Center plate; 92. Electric push plate; 93. Elastic cleaning pad; 931. Cleaning pad body; 932. Backflow preventer cloth; 933. Pleated groove; 94. Connector; 10. Pipe joint connection assembly; 11. Negative pressure dust collection plate. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] like Figures 1-8 As shown in the figure, this embodiment provides a zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room, including a splicing pipe section 1 for communicating with the interior of the power distribution room, a negative pressure fan 3 for connecting with a negative pressure fan 3, and a negative pressure fan 3 installed outside the power distribution room. One side of the splicing pipe section 1 is connected to the negative pressure fan 3 via a bend 2. An air guide assembly 5 is installed on the upper side of the bend 2, and a cleaning unit storage section 4 is installed at the bend on one side of the bend 2. The cleaning unit storage section 4 contains a blowing assembly 6, a driving assembly 7, and a cleaning assembly. 9. A sealing component 8 is installed at the opening end of the cleaning unit storage section 4; the cleaning component 9 includes a central plate 91, and eight electric push plates 92 with remote control systems are installed around the central plate 91. The top of the moving end of the central plate 91 is connected to the elastic cleaning pad 93. A connector 94 for matching with the scissor lift 71 is installed at the center of the central plate 91; the elastic cleaning pad 93 includes a cleaning pad body 931, and a backstop cloth 932 is installed on one side of the cleaning pad body 931. The backstop cloth 932 has annularly distributed pleated grooves 933 inside.

[0039] As a further embodiment of the present invention, the air guide assembly 5 includes a rotating block 51, one end of which is fixedly connected to a rotating shaft 52 for rotating connection with the bend 2, and one side of the rotating block 51 is provided with an arc-shaped air guide groove 53. Through the air guide assembly 51 provided above, during the cleaning process, it can rotate to the outside of the bend 2 to prevent affecting the cleaning process, and during the ventilation process, it can guide the airflow.

[0040] As a further embodiment of the present invention, the blowing assembly 6 includes a one-way air intake valve 61, one end of which is fixedly connected to a bent pipe 62, a fixing plate 63 is fixedly connected to the outside of the bent pipe 62, and the other end of the bent pipe 62 is fixedly connected to a rubber telescopic tube 64, the other end of which has a blowing hole 65; the one-way air intake valve 61 is installed outside the cleaning unit storage section 4, the bent pipe 62 passes through the cleaning unit storage section 4 and is fixedly connected to the cleaning unit storage section 4, the fixing plate 63 is fixedly connected to the inner wall of the cleaning unit storage section 4, and one end of the rubber telescopic tube 64 is open; the rubber telescopic tube... The other end of the tube 64 is sealed. The open end of the rubber telescopic tube 64 is connected to the bend 62 and the one-way air inlet valve 61. The sealed end of the rubber telescopic tube 64 is provided with a blowing hole 65 facing the inner wall of the spliced ​​pipe section 1. Through the blowing component 6 provided above, when the rubber telescopic tube 64 is in a stretched state, external air is drawn into the rubber telescopic tube 64 in the rope-pulling state through the one-way air inlet valve 61. When the rubber telescopic tube 64 is in a compressed state, the gas inside the rubber telescopic tube 64 is blown to the inner wall of the spliced ​​pipe section 1 through the blowing hole 65, further improving the cleaning effect on the inside of the spliced ​​pipe section 1.

[0041] As a further embodiment of the present invention, the drive assembly 7 includes a scissor lift 71 for pushing the cleaning assembly 9 to move. The drive end of the scissor lift 71 is rotatably connected to the connecting shaft 75 mounted on one side of the drive gear 74 and the driven gear 76, respectively. The connecting shaft 75 mounted on one side of the drive gear 74 and the driven gear 76 are symmetrically arranged. The center of both the drive gear 74 and the driven gear 76 is fixedly connected to a central shaft for rotatably connecting with the motor mounting plate 72. The central shaft fixed at the center of the drive gear 74 passes through the motor mounting plate 72 and is fixedly connected to the main shaft of the drive motor 73. The housing of the drive motor 73 is fixedly connected to the motor mounting plate 72, and the motor mounting plate 72 is fixedly connected to the inner wall of the cleaning unit storage section 4. With the above arrangement, the cleaning assembly 9 can be pushed to move stably along the required trajectory as needed, and it is convenient to be completely stored inside the cleaning unit storage section 4 afterward.

[0042] As a further embodiment of the present invention, the sealing assembly 8 includes a sealing cover 81 with a vertical projection of a T-shape. The protruding end of the sealing cover 81 is adapted to the opening of the cleaning unit storage section 4. Magnetic blocks 82 are installed around the sealing cover 81. The sealing assembly 8 arranged above facilitates the removal and placement of the negative pressure dust collection plate 11. At the same time, it can also serve as an inspection port for the inspection of the internal structure of the cleaning unit storage section 4.

[0043] As a further embodiment of the present invention, the joint pipe sections 1, the joint pipe section 1 and the bend 2, and the bend 2 and the negative pressure fan 3 are all connected by a pipe section connection assembly 10. The pipe section connection assembly 10 includes screws, nuts, flat washers and elastic washers. Through the above arrangement, the stability of the connection between the joint pipe sections 1, the joint pipe section 1 and the bend 2, and the bend 2 and the negative pressure fan 3 can be further improved.

[0044] As a further embodiment of the present invention, a movable and detachable negative pressure dust collection plate 11 is installed at the bottom of the cleaning unit storage section 4. A filter screen is installed at the bottom inside the negative pressure dust collection plate 11, and a fan is installed at the lower end of the filter screen. With the above configuration, it is convenient to collect the dust that falls off during cleaning.

[0045] like Figures 1-8 As shown in this embodiment, the principle of using a zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room is as follows:

[0046] Includes the following steps:

[0047] Step 1: Install the splicing joint 1 at the location in the ship's power distribution room that requires heat dissipation and connect it to the top of the power distribution room through the hanger. Then install multiple splicing pipe sections 1 in sequence until they reach the vicinity of the external wall of the power distribution room. The bend 2 passes through the wall of the power distribution room and connects to the splicing pipe section 1. The end of the installed bend 2 with the negative pressure fan 3 is located outside the power distribution room.

[0048] Step 2: After installation, seal the cleaning unit storage section 4 with the sealing component 8, power on the negative pressure fan 3, and the entire equipment will start running;

[0049] Step 3: After the equipment has been running for a period of time, stop the machine and clean the inner wall of bend 2;

[0050] Step 31: Open the sealing assembly 8 and install the negative pressure dust collection plate 11 inside the bend 2 to isolate it from the lower end of the bend 2;

[0051] Step 32: Control the drive motor 73 to drive the drive gear 74 to rotate, so that the scissor lift 71 extends and pushes the cleaning component 9 to the farthest position;

[0052] Step 33: After the cleaning component 9 moves to the maximum stroke distance from the drive motor 73, it controls the extension of multiple electric push plates 92, so that the elastic cleaning pad 93 contacts the inner wall of the splicing pipe joint 1 and the reversible cloth 932 is fully extended.

[0053] Step 4: Drive motor 93 rotates in reverse to control scissor lift 71 to retract. The elastic cleaning pad 93 contacts the splicing pipe section 1 to clean the inner wall of the splicing pipe section 1. During the cleaning process, the gas inside the rubber telescopic tube 64 blows through the blowing hole 65 to the inner wall of the splicing pipe section 1. The negative pressure dust collection plate 11 cleans the dust during the cleaning process, thus completing the cleaning.

[0054] Step 5: After cleaning, reset the entire device, remove the negative pressure dust collection plate 11, and collect the dust for centralized treatment.

[0055] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0056] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A zoned temperature-controlled heat dissipation duct structure for a ship's centralized power distribution room, comprising a splicing pipe section (1) for communicating with the interior of the power distribution room, a negative pressure fan (3) for connecting with a negative pressure fan (3), and a negative pressure fan (3) installed outside the power distribution room, characterized in that: One side of the splicing pipe section (1) is connected to a negative pressure fan (3) via a bend (2). A guide assembly (5) is installed on the upper side of the bend (2). A cleaning unit storage section (4) is installed at the bend on one side of the bend (2). A blowing assembly (6), a driving assembly (7), and a cleaning assembly (9) are installed inside the cleaning unit storage section (4). A sealing assembly (8) is installed at the open end of the cleaning unit storage section (4). The cleaning assembly (9) includes a center plate (91), eight electric push plates (92) with remote control system are installed around the center plate (91), the top of the moving end of the center plate (91) is connected to the elastic cleaning pad (93), and a connector (94) for matching with the scissor lift (71) is installed at the center of the center plate (91). The elastic cleaning pad (93) includes a cleaning pad body (931), and a reversible cloth (932) is installed on one side of the cleaning pad body (931). The reversible cloth (932) has annularly distributed pleated grooves (933) inside.

2. The zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room according to claim 1, characterized in that: The air guide assembly (5) includes a rotating block (51), one end of which is fixedly connected to a rotating shaft (52) for rotating connection with the bend (2), and an arc-shaped air guide groove (53) is provided on one side of the rotating block (51).

3. The zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room according to claim 1, characterized in that: The blowing assembly (6) includes a one-way air intake valve (61), one end of which is fixedly connected to a bend (62), a fixing plate (63) is fixedly connected to the outside of the bend (62), and the other end of the bend (62) is fixedly connected to a rubber telescopic tube (64), and the other end of the rubber telescopic tube (64) is provided with a blowing hole (65).

4. The zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room according to claim 3, characterized in that: The one-way air intake valve (61) is installed outside the cleaning unit storage section (4). The bent pipe (62) passes through the cleaning unit storage section (4) and is fixedly connected to the cleaning unit storage section (4). The fixing plate (63) is fixedly connected to the inner wall of the cleaning unit storage section (4). One end of the rubber telescopic pipe (64) is open, and the other end of the rubber telescopic pipe (64) is closed. The open end of the rubber telescopic pipe (64) is connected to the bent pipe (62) and the one-way air intake valve (61). The closed end of the rubber telescopic pipe (64) is provided with a blowhole (65) facing the inner wall of the splicing pipe section (1).

5. The zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room according to claim 1, characterized in that: The drive assembly (7) includes a scissor lift (71) for pushing the cleaning assembly (9) to move. The drive end of the scissor lift (71) is rotatably connected to the drive gear (74) and the connecting shaft (75) mounted on one side of the driven gear (76). The drive gear (74) and the connecting shaft (75) mounted on one side of the driven gear (76) are symmetrically arranged. The center of the drive gear (74) and the driven gear (76) are both fixedly connected to a central shaft for rotatably connecting with the motor mounting plate (72). The central shaft fixed at the center of the drive gear (74) passes through the motor mounting plate (72) and is fixedly connected to the main shaft of the drive motor (73).

6. The zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room according to claim 5, characterized in that: The drive motor (73) housing is fixedly connected to the motor fixing plate (72), and the motor fixing plate (72) is fixedly connected to the inner wall of the cleaning unit storage section (4).

7. The zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room according to claim 1, characterized in that: The sealing assembly (8) includes a sealing cover (81) with a T-shaped vertical projection. The protruding end of the sealing cover (81) is adapted to the opening of the cleaning unit storage section (4). Magnetic blocks (82) are installed around the sealing cover (81).

8. The zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room according to claim 1, characterized in that: The splicing pipe sections (1) are connected to each other, the splicing pipe section (1) is connected to the bend (2), and the bend (2) is connected to the negative pressure fan (3) by pipe section connection assembly (10), which includes screws, nuts, flat washers and elastic washers.

9. The zoned temperature control and heat dissipation duct structure for a ship's centralized power distribution room according to claim 1, characterized in that: The bottom of the cleaning unit storage section (4) is equipped with a movable and detachable negative pressure dust collection plate (11). The bottom of the negative pressure dust collection plate (11) is equipped with a filter screen, and a fan is installed at the bottom of the filter screen.

10. A method of using a zoned temperature-controlled heat dissipation duct structure for a ship's centralized power distribution room according to any one of claims 1-9, characterized in that: Includes the following steps: Step 1: The splicing joint (1) is installed at the location in the ship's power distribution room that requires heat dissipation and is connected to the top of the power distribution room through the hanger. Then, multiple splicing pipe sections (1) are installed in sequence until they reach the vicinity of the outer wall of the power distribution room. The bend (2) passes through the wall of the power distribution room and is connected to the splicing pipe section (1). The end of the bend (2) with the negative pressure fan (3) installed is located outside the power distribution room. Step 2: After installation, seal the cleaning unit storage section (4) with the sealing component (8), power on the negative pressure fan (3), and the equipment will start running. Step 3: After the equipment has been running for a period of time, stop the machine and clean the inner wall of the bend (2); Step 31: Open the sealing assembly (8) and install the negative pressure dust collection plate (11) inside the bend (2) to isolate it from the lower end of the bend (2); Step 32: Control the drive motor (73) to drive the drive gear (74) to rotate, so that the scissor lift (71) extends and pushes the cleaning assembly (9) to the farthest position; Step 33: After the cleaning component (9) moves to the maximum stroke of the distance drive motor (73), control the multiple electric push plates (92) to extend, so that the elastic cleaning pad (93) contacts the inner wall of the splicing pipe joint (1) and the anti-reverse cloth (932) is fully extended; Step 4: Drive motor (93) rotates in reverse to control scissor lift (71) to retract. The elastic cleaning pad (93) contacts the splicing pipe section (1) to clean the inner wall of the splicing pipe section (1). During the cleaning process, the gas inside the rubber telescopic tube (64) blows through the blowing hole (65) to the inner wall of the splicing pipe section (1). The negative pressure dust collection plate (11) cleans the dust during the cleaning process to complete the cleaning. Step 5: After cleaning, the device is reset and the negative pressure dust collection plate (11) is removed for centralized dust treatment.

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