Ship body with air duct noise reduction function
By designing multi-layered air duct silence components in the ship, including sound silence plates, sound silence plates and sound silence cotton, and using a rotating cover to easily replace and clean the sound silence cotton, the problem of the noise silence cotton in the prior art is solved, achieving more efficient noise control and longer service life.
Patent Information
- Application Number
- CN202420491383.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-14
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-14
AI Technical Summary
The silencer cotton inside the existing ship silence ventilation duct is not easy to replace, which makes it difficult to replace the overall, and dust accumulates after long-term use, reducing the silence effect.
A ship body with air duct silence function was designed. By setting up air duct components, including air duct No. 1 and air duct No. 2, multi-layered silence processing is performed using sound silence plate, sound silence plate and sound silence cotton, and the rotating cover is used to facilitate replacement and cleaning of the sound silence cotton.
It realizes multi-level silence processing in the air duct, improves the noise control effect in the ship, and extends the service life of the silence assembly through convenient replacement and cleaning of silence cotton.
Smart Images

Figure CN222555135U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of air duct silencing, in particular to a ship body with an air duct silencing function. Background Art
[0002] The ship ventilation system is a system that uses mechanical or natural air circulation to ventilate the ship's cabins. The ship ventilation system is divided into mechanical ventilation and natural ventilation. In order to reduce the noise of the ship's air conditioning and ventilation systems, it is often necessary to add a silencer design to the air duct. For air ducts, the purpose of reducing noise can be achieved by installing a silencer.
[0003] Chinese patent document CN218086000U2 discloses a sound-absorbing ventilation pipe for ships, including a cylinder, a plurality of sound-absorbing plates are arranged obliquely in the cylinder, adjacent sound-absorbing plates are arranged oppositely, sound-absorbing cotton is fixedly arranged on the surface of the sound-absorbing plate, a fan is arranged in the cylinder, and a sound-absorbing component is arranged in the cylinder, and the sound-absorbing component is used to reduce the noise generated by the rotation of the fan. This application has the effect of reducing the noise generated in the ventilation pipe and improving the quality of life of the people in the ship, but the sound-absorbing cotton inside the sound-absorbing ventilation duct is not easy to replace. When the sound-absorbing cotton needs to be replaced, the ventilation duct as a whole can only be replaced, and the sound-absorbing cotton will accumulate dust after long-term use, thereby reducing the sound-absorbing effect. Utility Model Content
[0004] The purpose of the utility model is to solve the problem that the silencer cotton inside the existing silencer ventilation duct is difficult to replace. When the silencer cotton needs to be replaced, the ventilation duct must be replaced as a whole, and the silencer cotton will accumulate dust after long-term use, thereby reducing the silencer effect. A ship body with air duct silencer function is proposed.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ship body with air duct silencing function, including a ship component and an air duct component arranged inside the ship component, the ship component including a ship body, a mast fixedly connected to the ship body, a plurality of cargo holds arranged on the ship body, a cockpit arranged on the ship body, the air duct component including a No. 1 air duct, both ends of the No. 1 air duct are provided with connecting plates, one side of the connecting plate is movably connected to a rotating cover, one end of the rotating cover is movably connected to the No. 2 air duct, a silencer plate is arranged on the inner side of the No. 2 air duct, the silencer plate is movably connected to a silencer pipe, and the silencer pipe is movably connected to silencer cotton inside.
[0006] Preferably, a plurality of observation windows are provided on one side of the cockpit;
[0007] Used to observe the situation ahead through the observation window during navigation.
[0008] Preferably, the inner surface of the No. 1 air duct is fixedly connected to a muffler plate, and the muffler plates are regularly staggered;
[0009] Used to silence the wind in the No. 1 air duct.
[0010] Preferably, a through hole is provided on the rotating cover, and a thread A is provided on the rotating cover;
[0011] Used to conveniently connect the No. 1 air duct and the No. 2 air duct together by rotating the cover.
[0012] Preferably, a thread groove A is provided on the inner surface of the second air duct, and the outer surface of the thread A is rotatably connected to the thread groove A;
[0013] It is used to conveniently install the rotating cover on the No. 2 air duct or remove it from the No. 2 air duct.
[0014] Preferably, two groups of muffler discs are provided, and the muffler pipes on the two muffler discs are installed staggered;
[0015] It is used to guide the air and volume entering the No. 2 air duct, making the silencing work more efficient.
[0016] Preferably, the muffler disc is provided with a thread groove B, the muffler pipe is provided with a thread B, and the thread groove B corresponds to the thread B;
[0017] Used to easily remove or install the silencer pipe from the silencer plate.
[0018] Preferably, the muffler pipe is provided with an interlayer, holes are opened on the interlayer, and the inner surface of the interlayer is movably connected to the muffler cotton;
[0019] Used to remove most of the sound in the No. 2 air duct through sound-absorbing cotton.
[0020] Compared with the prior art, the utility model has the following beneficial effects:
[0021] The utility model proposes a ship body with an air duct silencing function. By setting an air duct component, when external air enters the pipeline, it is first silenced by the silencer plate in the No. 1 air duct, and then further silenced when passing through the No. 2 air duct. At the same time, the No. 2 air duct can be conveniently opened by a rotating cover, so that the silencer pipe can be taken out for cleaning, and new silencer cotton can be replaced to make it work stably. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 This is a schematic diagram of the overall structure of a ship body with air duct silencing function proposed by the utility model;
[0023] Figure 2 This is a schematic diagram of the overall structure of an air duct assembly of a ship body with an air duct silencing function proposed by the utility model;
[0024] Figure 3 This is a schematic diagram of the overall structure of the No. 2 air duct of a ship body with an air duct silencing function proposed by the utility model;
[0025] Figure 4 This is a schematic diagram of the overall structure of a rotating cover of a ship body with an air duct silencing function proposed by the utility model;
[0026] Figure 5 This is a schematic diagram of the overall structure of a silencer disk of a ship body with air duct silencer function proposed by the utility model;
[0027] Figure 6 This is a schematic diagram of the overall structure of a silencer pipe of a ship body with air duct silencer function proposed by the utility model;
[0028] Figure 7 A schematic cross-sectional view of a silencer pipe of a ship body with an air duct silencer function proposed by the utility model;
[0029] Figure 8 It is a cross-sectional schematic diagram of a No. 1 air duct of a ship body with an air duct silencing function proposed by the utility model;
[0030] Legend:
[0031] 1. Ship assembly; 11. Ship body; 12. Mast; 13. Cargo hold; 14. Cockpit; 141. Observation window; 2. Air duct assembly; 21. No. 1 air duct; 211. Silencer plate; 22. Connecting plate; 23. Rotating cover; 231. Through hole; 232. Thread A; 24. No. 2 air duct; 241. Thread groove A; 25. Silencer plate; 251. Thread groove B; 26. Silencer pipe; 261. Thread B; 262. Interlayer; 2621. Hole; 27. Silencer cotton. DETAILED DESCRIPTION
[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0033] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0034] Reference Figure 1-8 The utility model provides an embodiment: a ship body with an air duct silencing function, comprising a ship assembly 1 and an air duct assembly 2 arranged inside the ship assembly 1, the ship assembly 1 comprising a ship body 11, a mast 12 is fixedly connected to the ship body 11, a plurality of cargo holds 13 are arranged on the ship body 11, a cockpit 14 is arranged on the ship body 11, the air duct assembly 2 comprises a No. 1 air duct 21, both ends of the No. 1 air duct 21 are provided with connecting plates 22, one side of the connecting plate 22 is movably connected to a rotating cover 23, one end of the rotating cover 23 is movably connected to a No. 2 air duct 24, a silencer plate 25 is arranged inside the No. 2 air duct 24, a silencer pipe 26 is movably connected to the silencer plate 25, and a silencer cotton 27 is movably connected inside the silencer pipe 26.
[0035] A plurality of observation windows 141 are provided on one side of the cockpit 14 to observe the navigation situation. A muffler plate 211 is fixedly connected to the inner surface of the No. 1 air duct 21. The muffler plate 211 is regularly staggered and connected to muffle the air entering the No. 1 air duct 21. A through hole 231 is provided on the rotating cover 23. A thread A232 is provided on the rotating cover 23. The No. 1 air duct 21 and the No. 2 air duct 24 are connected together through the rotating cover 23. A thread groove A241 is provided on the inner surface of the No. 2 air duct 24. The outer surface of the thread A232 is rotatably connected to the thread groove A241, which is convenient for installation or Remove the rotating cover 23. There are two groups of silencer disks 25, and the silencer pipes 26 on the two silencer disks 25 are staggered to guide and silence the wind entering the No. 2 air duct 24. A threaded groove B251 is provided on the silencer disk 25, and a thread B261 is provided on the silencer pipe 26. The threaded groove B251 corresponds to the thread B261, which is convenient for installing or disassembling the silencer pipe 26. The silencer pipe 26 is provided with an interlayer 262, and a hole 2621 is provided on the interlayer 262. The inner surface of the interlayer 262 is movably connected to the silencer cotton 27, which is convenient for replacing the new silencer cotton 27.
[0036] Working principle: First, the wind enters the air duct from the No. 1 air duct 21, passes through the silencer plate 211 to eliminate part of the volume, and then enters the No. 2 air duct 24. Since the two groups of silencer plates 25 are staggered, a diversion effect is performed on the wind. At the same time, the silencer cotton 27 in the silencer pipe 26 is further silenced. After long-term use, the rotating cover 23 is removed from the No. 2 air duct 24, and then the silencer pipe 26 is rotated to remove it, the silencer pipe 26 is cleaned and replaced with a new silencer cotton 27, thereby ensuring the silencer effect of the entire air duct assembly 2.
[0037] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A ship body with an air duct silencing function, comprising a ship assembly (1) and an air duct assembly (2) arranged inside the ship assembly (1), characterized in that: The ship assembly (1) comprises a ship body (11), a mast (12) is fixedly connected to the ship body (11), a plurality of cargo holds (13) are arranged on the ship body (11), a cockpit (14) is arranged on the ship body (11), and an air duct assembly (2) comprises a No. 1 air duct (21), both ends of the No. 1 air duct (21) are provided with connection plates (22), one side of the connection plate (22) is movably connected to a rotating cover (23), one end of the rotating cover (23) is movably connected to a No. 2 air duct (24), a silencer plate (25) is arranged inside the No. 2 air duct (24), a silencer pipe (26) is movably connected to the silencer plate (25), and a silencer cotton (27) is movably connected inside the silencer pipe (26).
2. A ship body with air duct silencing function according to claim 1, characterized in that: A plurality of groups of observation windows (141) are provided on one side of the cockpit (14).
3. A ship body with air duct silencing function according to claim 1, characterized in that: The inner surface of the first air duct (21) is fixedly connected to a silencer plate (211), and the silencer plates (211) are regularly staggered and connected.
4. A ship body with air duct silencing function according to claim 1, characterized in that: The rotating cover (23) is provided with a through hole (231), and the rotating cover (23) is provided with a thread A (232).
5. A ship body with air duct silencing function according to claim 1, characterized in that: The inner surface of the second air duct (24) is provided with a thread groove A (241), and the outer surface of the thread A (232) is rotatably connected to the thread groove A (241).
6. A ship body with air duct silencing function according to claim 1, characterized in that: The silencer discs (25) are provided in two groups, and the silencer pipes (26) on the two silencer discs (25) are installed in a staggered manner.
7. A ship body with air duct silencing function according to claim 1, characterized in that: The muffler disc (25) is provided with a thread groove B (251), and the muffler pipe (26) is provided with a thread B (261), and the thread groove B (251) corresponds to the thread B (261).
8. A ship body with air duct silencing function according to claim 1, characterized in that: The muffler pipe (26) is provided with an interlayer (262), and a hole (2621) is opened on the interlayer (262). The inner surface of the interlayer (262) is movably connected to the sound-absorbing cotton (27).
Citation Information
Patent Citations
Silencing ventilation pipe for ship
CN218086000U