Ship crew cabin with ventilation structure
By introducing a ventilation structure with cushioning pads and baffles in the crew cabin, the noise problem of the ventilation system was solved, achieving noise absorption and energy consumption reduction, and providing a comfortable living environment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-30
- Publication Date
- 2026-04-07
AI Technical Summary
The existing ventilation system's air outlets are ineffective at handling airborne noise, affecting the crew's normal rest. Moreover, noise reduction devices are expensive and difficult to implement in every crew cabin.
The ventilation structure adopts a buffer pad and baffle. The positioning tube reduces the shaking of the ventilation tube, the buffer pad and sound-absorbing material absorb the vibration energy of the airflow, the baffle adjusts the airflow path to reduce noise, and the motor controls the rotation of the baffle to reduce airflow leakage and howling.
It effectively absorbs ventilation noise, reduces air leakage and whistling, improves air quality, reduces energy consumption, and provides a comfortable living environment.
Smart Images

Figure CN224090414U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a crew cabin, in particular to a crew cabin with ventilation structure applied to the field of ship. BACKGROUND
[0002] The cabin is generally called each room in the ship, refers to the room that is divided by bulkhead and deck in the ship body, the big cabin section is called " cabin " in the " cabin " or superstructure by the light wall, the cabin is mainly used for the personnel work, life, arrangement or storage, loading various equipment, goods and so on.
[0003] In order to reduce the construction cost and packing structure strength, the crew cabin is mostly located in the ship interior, belongs to the inner cabin room, and has no direct outer window, and in order to provide a comfortable living environment for the crew on the ship, the cabin needs to reach a fresh air balance, that is, the fresh air is sent into the cabin through the air distributor on the ceiling, thereby maintaining the air circulation.
[0004] But the air outlet of the ventilation system is difficult to process the noise in the air, so that the air conveying produces larger noise, thereby affecting the normal rest of the crew, and the equipment that carries out the mute processing needs to use expensive mute device, if popular to each crew cabin, not only the production cost is increased, and more energy consumption waste is caused. UTILITY MODEL CONTENTS
[0005] In view of the above prior art, the technical problem to be solved by the utility model is that the air outlet of the current ventilation system is difficult to process the noise in the air, thereby affecting the normal rest of the crew, and the part mute device is expensive, and is difficult to popular to each crew cabin.
[0006] To solve the above problem, the utility model provides a crew cabin with ventilation structure, including cabin body, the upper end of cabin body is fixed and penetrates support frame, the left and right ends of support frame are all fixed support pipe, two support pipes are commonly inserted with ventilation pipe, the fixed connection of ventilation pipe and support pipe has location pipe, the inner wall of ventilation pipe is fixedly connected with a plurality of buffer pads, the fixed connection of buffer pad and the inner wall of ventilation pipe has support rod, the lower end of ventilation pipe is fixedly connected with exhaust pipe, the lower end of exhaust pipe is located in support frame, the inner chamber of exhaust pipe is rotatably penetrated with two adjusting rods, the outer surface of adjusting rod is fixedly sleeved with baffle, the upper end of baffle is fixedly connected with sound absorbing board, the rear end of adjusting rod is fixedly connected with gear, two gears are engaged, the front inner wall of support frame is fixedly connected with motor, and the output end of motor is fixedly connected with one adjusting rod.
[0007] In the crew cabin with the ventilation structure, when air is sent into the exhaust pipe through the ventilation pipe, the shaking between the ventilation pipe and the support pipe is reduced by the positioning pipe, and a plurality of inclined buffer plates are alternately installed inside the ventilation pipe, so that the airflow is forced to change direction multiple times, the airflow path is lengthened, the contact time of sound waves with the buffer plates is increased, and thus the noise is absorbed, effectively avoiding the influence of large exhaust noise on the normal rest of the crew.
[0008] As a further improvement of the present application, the baffles are semicircular, and the two baffles are mirror-symmetrically distributed with the center axis of the exhaust pipe.
[0009] As a further improvement of the present application, the baffle includes an adjusting plate fixedly sleeved on the outer surface of the adjusting rod, the outer surface of the adjusting plate is fixedly connected with an elastic frame, the end of the adjusting plate close to the adjusting rod is rounded, and the elastic frame is in contact with the inner wall of the exhaust pipe.
[0010] As a further improvement of the present application, the plurality of buffer pads are staggered, the buffer pads are made of elastic sound-absorbing material, the positioning pipe is made of hard sound-absorbing material, the right end of the buffer pad is arc-shaped, and the included angle between the buffer pad and the inner wall of the ventilation pipe is an acute angle.
[0011] As a further improvement of the present application, the lower end of the support frame is fixedly connected with a dust screen, and the lower end of the dust screen is in the same horizontal plane as the inner top wall of the cabin body.
[0012] As a further improvement of the present application, the inner top wall of the cabin body is fixedly connected with a louver assembly, and the louver assembly is located directly below the dust screen.
[0013] As a further improvement of the present application, the lower end of the support frame is fixedly connected with a dust screen, and the lower end of the dust screen is in the same horizontal plane as the inner top wall of the cabin body. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the first embodiment of the present application;
[0015] Figure 2 It is a sectional view of the ventilation pipe structure of the first embodiment of the present application;
[0016] Figure 3 Fig. 1 is a schematic view of a ventilation pipe structure according to a first embodiment of the present application;
[0017] Figure 4 Fig. 2 is a schematic view of a buffer pad structure according to the first embodiment of the present application;
[0018] Figure 5 Fig. 3 is a schematic view of an exhaust pipe structure according to the first embodiment of the present application;
[0019] Figure 6 Fig. 4 is a schematic view of a baffle structure according to the first embodiment of the present application;
[0020] Figure 7 Fig. 5 is a sectional view of a ventilation pipe structure according to a second embodiment of the present application;
[0021] Explanation of Reference Numerals in the Drawings:
[0022] 1 cabin body, 2 support frame, 3 support pipe, 4 positioning pipe, 5 ventilation pipe, 6 buffer pad, 7 support rod, 8 exhaust pipe, 9 adjusting rod, 10 baffle, 101 adjusting plate, 102 elastic frame, 11 sound-absorbing plate, 12 gear, 13 motor, 14 dustproof net, 15 louver assembly. DETAILED DESCRIPTION
[0023] The two embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0024] First Embodiment:
[0025] Figure 1 Figure 2 Figure 3 Figure 4 The utility model discloses a crew cabin with ventilation structure, including cabin body 1, the upper end of cabin body 1 is fixed and is penetrated with support frame 2, the lower end of support frame 2 is fixedly connected with dust screen 14, dust screen 14 can effectively avoid outside sundries from cabin body 1 into the inside of support frame 2, the lower end of dust screen 14 is with the inside top wall of cabin body 1 same horizontal plane, the left and right ends of support frame 2 are all fixed support pipe 3, and the ventilation pipe 5 of two support pipes 3 is inserted together, and the ventilation pipe 5 is fixedly connected with the positioning pipe 4 between support pipe 3, and the positioning pipe 4 is made of hard sound-absorbing material, and the ventilation pipe 5 is nested in support pipe 3 through positioning pipe 4, utilizes hard sound-absorbing material to absorb the noise of ventilation pipe 5 when shaking, the inner wall of ventilation pipe 5 is fixedly connected with a plurality of buffer pad 6, and the buffer pad 6 is fixedly connected with support rod 7 between the inner wall of ventilation pipe 5, a plurality of buffer pad 6 are staggered distribution, and buffer pad 6 is made of elastic sound-absorbing material, and when air moves in ventilation pipe 5, and a plurality of buffer pad 6 are impacted, directly absorb the airflow vibration energy in ventilation pipe 5, prolong the airflow path, increase the contact time of sound wave and sound-absorbing material, effectively improve the sound-absorbing efficiency, the right end of buffer pad 6 is arc, and the arc can effectively reduce the noise of airflow impact, and the included angle between buffer pad 6 and ventilation pipe 5 inner wall is acute angle, and through the cooperation of support rod 7 and buffer pad 6, can effectively suppress vibration transmission to the inside of cabin body 1.
[0026] Figure 2 、 Figure 5 and Figure 6The lower end of the ventilation pipe 5 is fixedly connected with an exhaust pipe 8, the lower end of the exhaust pipe 8 is located in the support frame 2, the inner cavity of the exhaust pipe 8 is rotatably penetrated by two adjusting rods 9, the outer surface of the adjusting rod 9 is fixedly sleeved with a baffle 10, the baffle 10 is semicircular, the two baffles 10 are mirror-symmetrically distributed with the center axis of the exhaust pipe 8 as the mirror axis, the baffle 10 comprises an adjusting plate 101 fixedly sleeved on the outer surface of the adjusting rod 9, the outer surface of the adjusting plate 101 is fixedly connected with an elastic frame 102, the end of the adjusting plate 101 close to the adjusting rod 9 is rounded, the elastic frame 102 is in contact with the inner wall of the exhaust pipe 8, the upper end of the baffle 10 is fixedly connected with a sound-absorbing plate 11, when the two baffles 10 are closed, the elastic frame 102 is in contact with the inner wall of the exhaust pipe 8, which effectively reduces the air leakage noise, the sound-absorbing plate 11 can absorb the noise when the airflow passes through the baffle 10, and when opened, the airflow is symmetrically divided, thereby effectively reducing the risk of howling caused by further high flow rate, the rear end of the adjusting rod 9 is fixedly connected with a gear 12, the two gears 12 are engaged, the front inner wall of the support frame 2 is fixedly connected with a motor 13, a person skilled in the art can select a suitable type of motor 13 according to actual needs, for example: Y2-63M1-2-0.18KW, the output end of the motor 13 is fixedly connected with one of the adjusting rods 9, starting the motor 13 drives the adjusting rod 9 to rotate, so that one gear 12 drives the other gear 12 to rotate, the two baffles 10 rotate in different directions, and the elastic frame 102 deforms, facilitating the rotation of the adjusting plate 101, so that a gap is formed between the baffle 10 and the inside of the exhaust pipe 8, and air enters the cabin body 1 through the gap between the baffle 10 and the inner wall of the exhaust pipe 8 to ventilate.
[0027] When ventilating inside the cabin body 1, air enters the inside of the exhaust pipe 8 through the ventilation pipe 5, at this time the motor 13 can be started to drive the adjusting rod 9 to rotate, so that one gear 12 drives the other gear 12 to rotate, the two baffles 10 rotate in different directions, thereby forming a gap between the baffle 10 and the inside of the exhaust pipe 8, and air enters the cabin body 1 through the gap between the baffle 10 and the inner wall of the exhaust pipe 8 to ventilate, and in the process of conveying gas by the ventilation pipe 5, the shaking of the ventilation pipe 5 is absorbed by the positioning pipe 4, the air inside the positioning pipe 4 collides with the multiple buffer pads 6 when moving, directly absorbing the airflow vibration energy in the ventilation pipe 5, prolonging the airflow path, increasing the contact time of sound waves and sound-absorbing materials, effectively improving the sound-absorbing efficiency, and when the two baffles 10 are closed, they are in contact with the inner wall of the exhaust pipe 8, effectively reducing the air leakage noise, and when opened, the airflow is symmetrically divided, thereby effectively reducing the risk of howling caused by further high flow rate, effectively avoiding the influence of large exhaust noise on the normal rest of the crew.
[0028] Second embodiment:
[0029] The embodiment adds a louver assembly 15 on the basis of the first embodiment, and the remaining parts are consistent with the first embodiment.
[0030] Figure 7 It is shown that the inner top wall of the cabin body 1 is fixedly connected with the louver assembly 15, the louver assembly 15 is a structure known in the art, and contains rotatable louver gratings. The plurality of louver gratings are simultaneously rotated by a structure such as a cylinder, so that the air flow is discharged towards the direction. Details are not described herein again, and the louver assembly 15 is located directly below the dust screen 14.
[0031] The crew can adjust the direction of air discharge through the louver assembly 15, and can guide the air flow to uniformly diffuse, effectively reduce the local wind noise caused by direct blowing, and facilitate the use of the crew.
[0032] In combination with the actual demand, the above-mentioned embodiments of the present application are not limited to the scope, and various changes made within the knowledge of those skilled in the art without departing from the concept of the present application still fall within the protection scope of the present application.
Claims
1. A crew compartment with a ventilation structure, comprising a compartment body (1), characterized in that: A support frame (2) is fixedly inserted through the upper end of the cabin body (1). Support pipes (3) are fixed at both ends of the support frame (2). A ventilation pipe (5) is inserted into both of the support pipes (3). A positioning pipe (4) is fixedly connected between the ventilation pipe (5) and the support pipe (3). Multiple buffer pads (6) are fixedly connected to the inner wall of the ventilation pipe (5). A support rod (7) is fixedly connected between the buffer pads (6) and the inner wall of the ventilation pipe (5). The lower end of the ventilation pipe (5) is fixedly connected to an exhaust pipe (8). The lower end of the exhaust pipe (8) is located inside the support frame (2). The inner cavity of the exhaust pipe (8) is rotatably connected to two adjusting rods (9). A baffle (10) is fixedly fitted on the outer surface of the adjusting rod (9). A sound-absorbing plate (11) is fixedly connected to the upper end of the baffle (10). A gear (12) is fixedly connected to the rear end of the adjusting rod (9). The two gears (12) mesh with each other. A motor (13) is fixedly connected to the front inner wall of the support frame (2). The output end of the motor (13) is fixedly connected to one of the adjusting rods (9).
2. A crew compartment with a ventilation structure according to claim 1, characterized in that: The baffle (10) is semi-circular, and the two baffles (10) are distributed in a mirror symmetrical manner with respect to the central axis of the exhaust pipe (8).
3. A crew compartment with a ventilation structure according to claim 2, characterized in that: The baffle (10) includes an adjusting plate (101) fixedly sleeved on the outer surface of the adjusting rod (9). An elastic frame (102) is fixedly connected to the outer surface of the adjusting plate (101). The end of the adjusting plate (101) near the adjusting rod (9) is rounded. The elastic frame (102) is in contact with the inner wall of the exhaust pipe (8).
4. A crew compartment with a ventilation structure according to claim 1, characterized in that: Multiple buffer pads (6) are staggered and distributed, and the buffer pads (6) are made of elastic sound-absorbing material. The positioning tube (4) is made of rigid sound-absorbing material. The right end of the buffer pad (6) is arc-shaped, and the angle between the buffer pad (6) and the inner wall of the ventilation tube (5) is acute.
5. A crew compartment with a ventilation structure according to claim 1, characterized in that: The lower end of the support frame (2) is fixedly connected to a dustproof net (14), and the lower end of the dustproof net (14) is on the same horizontal plane as the inner top wall of the cabin body (1).
6. A crew compartment with a ventilation structure according to claim 5, characterized in that: The inner top wall of the cabin body (1) is fixedly connected to a louver assembly (15), which is located directly below the dustproof net (14).