Heat dissipation, noise reduction and ventilation device of diesel generating set

Abstract

The utility model relates to the technical field of heat dissipation and noise reduction of diesel generating sets, and discloses a heat dissipation, noise reduction and ventilation device of a diesel generating set, which comprises a diesel generating set, a noise reduction device is arranged on the left side of the diesel generating set, and the noise reduction device comprises a mounting part; the mounting part comprises an air exhaust silencing box, an air exhaust and guide cylinder and a unit radiator outer frame, and the right end face of the air exhaust silencing box is fixedly connected with the air exhaust and guide cylinder. According to the heat dissipation, noise reduction and ventilation device of the diesel generating set, by arranging the mounting frame, the noise reduction pieces, the U-shaped limiting plates, the containing box, noise reduction cotton and the cover plate, a wind body penetrates through the air exhaust and guide cylinder to enter the air exhaust and noise reduction box, noise is deflected multiple times through the multiple layers of noise reduction pieces with holes, air flow weakening is facilitated, and the sound wave conduction amplitude is reduced; noise is absorbed through silencing cotton, a U-shaped limiting plate, a containing box and a cover plate are all arranged to be galvanized hole plates, sound absorption and shock absorption of the silencing cotton are facilitated, and meanwhile the service life of the containing box, the U-shaped limiting plate and the cover plate is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation and noise reduction of diesel generator sets, in particular to a heat dissipation and noise reduction ventilation device for diesel generator sets. Background Art

[0002] The diesel generator sets currently produced by the domestic diesel generator set industry generally use shaft connectors to enable the engine to drive the cooling fan on the cooling water tank to accelerate air flow, promote oxygen input, increase diesel combustion efficiency, and take away some of the waste heat generated by the operation of the engine set. In this process, the cooling fan and the engine will generate extremely high noise.

[0003] The existing exhaust devices mainly focus on meeting the requirements of air intake and exhaust air volume, and the requirements for noise reduction are not high. Most units do not have exhaust noise reduction devices, and the direct exhaust method used in a small number of noise reduction devices cannot meet the normal noise reduction requirements. In order not to affect the surrounding area during the use of diesel generator sets, it is necessary to perform noise reduction processing on the operation process of diesel generator sets.

[0004] To this end, we proposed a diesel generator set heat dissipation and noise reduction ventilation device to solve this problem. Utility Model Content

[0005] The purpose of the utility model is to provide a heat dissipation, noise reduction and ventilation device for a diesel generator set to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present utility model provides the following technical solution: a heat dissipation, noise reduction and ventilation device for a diesel generator set, comprising a diesel generator set, a noise reduction device being provided on the left side of the diesel generator set, the noise reduction device comprising a mounting portion;

[0007] The mounting portion includes an exhaust muffler box, an exhaust air duct and an outer frame of the unit radiator. The right end surface of the exhaust muffler box is fixedly connected to the exhaust air duct, and the right end surface of the exhaust air duct corresponds to the inner wall of the air outlet of the diesel generator set;

[0008] The exhaust muffler box is provided with a muffler portion inside;

[0009] The silencer portion includes a mounting frame and a silencer plate. The outer surface of the mounting frame is fixedly connected to the inner wall of the exhaust silencer box, and the outer surface of the silencer plate is fixedly connected to the inner wall of the mounting frame.

[0010] A further improvement is that the mounting part also includes canvas, aluminum molding edging and a heat dissipation water tank. The heat dissipation water tank is fixedly mounted on the outer surface of the air outlet of the diesel generator set. A heat dissipation fan is provided on the inside of the heat dissipation water tank. By setting the heat dissipation water tank and the heat dissipation fan, the heat dissipation fan is driven to accelerate the flow and take away a large amount of waste heat generated during the operation of the unit.

[0011] A further improvement is that the outer surface of the left end of the heat dissipation water tank extends to the inside of the unit radiator outer frame, and the inner wall of the unit radiator outer frame is fixedly connected to the inside of the heat dissipation water tank. By setting the unit radiator outer frame, it is convenient to connect the noise reduction device to the diesel generator set.

[0012] A further improvement is that the outer surfaces of the two aluminum beadings are fixedly connected to the left and right end faces of the canvas respectively, the right end of the aluminum beading on the right side is connected to the left end face of the unit radiator outer frame by a first screw, and the left end of the aluminum beading on the left side is connected to the right end of the exhaust air duct by a second screw. By setting up an aluminum beading machine and a canvas, the canvas is connected to the unit radiator outer frame and the exhaust air duct by using the aluminum beading machine, and the flexible structure of the canvas is used to isolate the vibration between the unit and the air duct, thereby improving the service life of the noise reduction device.

[0013] A further improvement is that three groups of sound-absorbing sheets are arranged from left to right, and the sound-absorbing sheets in each group are arranged parallel to each other. The angle between the adjacent sound-absorbing sheets on the left and right is an obtuse angle. By arranging a sound-absorbing box, an installation frame and sound-absorbing sheets, the sound-absorbing sheets are used to absorb sound waves to reduce noise. The left and right sound-absorbing sheets are arranged to intersect, so that the sound-absorbing sheets rebound the sound waves, causing the sound waves to be deflected multiple times, reducing the energy transmitted by the sound waves, and improving the absorption rate of the sound waves by the sound-absorbing sheets.

[0014] A further improvement is that the silencer includes a U-shaped limit plate, a placement box, silencer cotton and a cover plate, the cover plate and the silencer cotton are both arranged inside the placement box, the outer surface of the cover plate is adapted to the inner wall of the placement box, the upper U-shaped limit plate is slidably sleeved on the top outer surface of the placement box and the top outer surface of the cover plate, and the lower U-shaped limit plate is slidably sleeved on the bottom outer surface of the placement box and the bottom outer surface of the cover plate. By arranging the U-shaped limit plate, the placement box, silencer cotton and the cover plate, the silencer cotton is stored using the cover plate and the placement box, and then the U-shaped limit plate is used to limit the placement box and the cover plate, thereby accelerating the splicing speed of the device and improving the production speed of the device.

[0015] A further improvement is that the U-shaped limit plate, placement box and cover plate are all galvanized perforated plates, and the outer surfaces of the U-shaped limit plate, placement box and cover plate are connected by rivets. By setting the rivets, it is convenient to tightly connect the U-shaped limit plate, placement and cover plate. At the same time, the U-shaped limit plate, placement box and cover plate are galvanized to improve the service life of the device.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the heat dissipation and noise reduction ventilation device of the diesel generator set is provided with an installation frame, a silencer sheet, a U-shaped limit plate, a placement box, silencer cotton and a cover plate. The wind body passes through the exhaust air guide tube and enters the exhaust silencer box. The noise is deflected multiple times by using multi-layer perforated silencer sheets, which is beneficial to weakening the airflow and reducing the amplitude of sound wave conduction. The silencer cotton is used to absorb the noise. The U-shaped limit plate, the placement box and the cover plate are all galvanized perforated plates, which are convenient for the silencer cotton to absorb sound and reduce vibration. Improve the service life of the placement box, U-shaped limit plate and cover; by setting the exhaust silencer box, exhaust air duct, canvas, heat sink, unit radiator frame and aluminum strip edging, the air is accelerated by the heat sink fan to take away a large amount of waste heat generated during the operation of the unit. The hot air enters the exhaust silencer box through the canvas soft connection connecting the heat sink and the ventilation device. The canvas is used to connect the exhaust air duct and the unit radiator frame to isolate the vibration between the diesel generator set and the exhaust air duct, which is conducive to reducing noise. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0018] Figure 2 This is a partial cross-sectional view of the top of the three-dimensional structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the left side of the exhaust muffler structure of the utility model;

[0020] Figure 4 This is an exploded view of the three-dimensional structure of the silencer of the utility model;

[0021] Figure 5 This is a partial cross-sectional view of the three-dimensional structure of the utility model;

[0022] Figure 6 This is an exploded view of the local structure of the noise reduction device of the utility model.

[0023] In the figure: 1 diesel generator set, 2 noise reduction device, 21 mounting part, 22 silencer part, 211 exhaust silencer box, 212 exhaust air duct, 213 canvas, 214 heat sink, 215 unit radiator frame, 216 aluminum molding edging, 221 mounting frame, 222 silencer sheet, 2201 U-shaped limit plate, 2202 placement box, 2203 silencer cotton, 2204 cover plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] See also Figures 1-6 The utility model provides a technical solution: a heat dissipation, noise reduction and ventilation device for a diesel generator set, comprising a diesel generator set 1, a noise reduction device 2 is provided on the left side of the diesel generator set 1, and the noise reduction device 2 includes a mounting portion 21;

[0026] The mounting portion 21 includes an exhaust muffler box 211, an exhaust air duct 212, and a unit radiator outer frame 215. The right end surface of the exhaust muffler box 211 is fixedly connected to the exhaust air duct 212. The right end surface of the exhaust air duct 212 corresponds to the inner wall of the air outlet of the diesel generator set 1. The mounting portion 21 also includes a canvas 213, an aluminum molding edging 216, and a heat dissipation water tank 214. The heat dissipation water tank 214 is fixedly mounted on the outer surface of the air outlet of the diesel generator set. A heat dissipation fan is provided inside the heat dissipation water tank 214.

[0027] The outer surface of the left end of the heat dissipation water tank 214 extends to the inside of the unit radiator outer frame 215, and the inner wall of the unit radiator outer frame 215 is fixedly connected to the inside of the heat dissipation water tank 214;

[0028] The outer surfaces of the two aluminum moldings edging 216 are fixedly connected to the left and right end surfaces of the canvas 213 respectively. The right end of the right aluminum molding edging 216 is connected to the left end surface of the unit radiator outer frame 215 by a first screw, and the left end of the left aluminum molding edging 216 is connected to the right end of the exhaust air duct 212 by a second screw. By arranging the exhaust silencer box 211, the exhaust air duct 212, the canvas 213, the heat dissipation water tank 214, the unit radiator outer frame 215 and the aluminum molding edging 216, the air is accelerated by the heat dissipation water tank fan to take away a large amount of waste heat generated during the operation of the unit. The hot air enters the exhaust silencer box 222 through the canvas soft connection connecting the heat dissipation water tank and the ventilation device. The exhaust air duct 212 and the unit radiator outer frame 215 are connected by the canvas 213 to isolate the vibration between the diesel generator set 1 and the exhaust air duct 212, which is conducive to reducing noise;

[0029] The exhaust silencer box 211 is provided with a silencer 22;

[0030] The silencer 22 includes a mounting frame 221 and a silencer 222. The outer surface of the mounting frame 221 is fixedly connected to the inner wall of the exhaust silencer box 211. The outer surface of the silencer 222 is fixedly connected to the inner wall of the mounting frame 221. The silencer 222 includes a U-shaped limiting plate 2201, a placement box 2202, silencer cotton 2203 and a cover plate 2204. The cover plate 2204 and the silencer cotton 2203 are both arranged inside the placement box 2202. The outer surface of the cover plate 2204 is adapted to the inner wall of the placement box 2202. The upper U-shaped limiting plate 2201 is slidably sleeved on the top outer surface of the placement box 2202 and the top outer surface of the cover plate 2204. The lower U-shaped limiting plate 2201 is slidably sleeved on the bottom outer surface of the placement box 2202 and the bottom outer surface of the cover plate 2204.

[0031] The U-shaped limit plate 2201, the placement box 2202 and the cover plate 2204 are all galvanized perforated plates. The outer surfaces of the U-shaped limit plate 2201, the placement box 2202 and the cover plate 2204 are connected by rivets. There are three groups of silencers 222 from left to right. Each group of silencers 222 is arranged parallel to each other. The angle between the adjacent silencers 222 on the left and right is an obtuse angle. By setting the mounting frame 221, the silencer 222, the U-shaped limit plate 2201, the placement box 2202, the silencer cotton 2203 and the cover plate 2 204, the wind passes through the exhaust air guide tube 212 and enters the exhaust silencer box 211, and the noise is deflected multiple times by using the multi-layer perforated silencer sheet 222, which is beneficial to weakening the airflow and reducing the amplitude of sound wave conduction. The noise is absorbed by the silencer cotton. The U-shaped limit plate 2201, the placement box 2202 and the cover plate 2204 are all galvanized perforated plates, which are convenient for the silencer cotton 2203 to absorb sound and reduce vibration, while improving the service life of the placement box 2202, the U-shaped limit plate 2201 and the cover plate.

[0032] During use, the wind passes through the inside of the heat dissipation water tank 214, the inside of the unit radiator frame 215, the inside of the canvas 213, the inside of the exhaust air guide duct 212 and the inside of the exhaust silencer box 211 to the left in turn. At the same time, the sound waves of the wind are deflected multiple times between the silencer plates 222 and then discharged from the exhaust silencer box 211 to the left.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A heat dissipation and noise reduction ventilation device for a diesel generator set, comprising a diesel generator set (1), characterized in that: A noise reduction device (2) is provided on the left side of the diesel generator set (1), and the noise reduction device (2) includes a mounting portion (21); The mounting portion (21) includes an exhaust muffler box (211), an exhaust air duct (212), and a unit radiator outer frame (215); the right end surface of the exhaust muffler box (211) is fixedly connected to the exhaust air duct (212); and the right end surface of the exhaust air duct (212) corresponds to the inner wall of the air outlet of the diesel generator set (1); The exhaust silencer box (211) is provided with a silencer (22) inside; The muffler portion (22) comprises a mounting frame (221) and a muffler plate (222); the outer surface of the mounting frame (221) is fixedly connected to the inner wall of the exhaust muffler box (211); and the outer surface of the muffler plate (222) is fixedly connected to the inner wall of the mounting frame (221).

2. A heat dissipation and noise reduction ventilation device for a diesel generator set according to claim 1, characterized in that: The mounting portion (21) further comprises a canvas (213), an aluminum pressure strip edging (216) and a heat dissipation water tank (214); the heat dissipation water tank (214) is fixedly sleeved on the outer surface of the air outlet of the diesel generator set; a heat dissipation fan is provided inside the heat dissipation water tank (214).

3. A heat dissipation and noise reduction ventilation device for a diesel generator set according to claim 2, characterized in that: The outer surface of the left end of the heat dissipation water tank (214) extends to the inside of the unit radiator outer frame (215), and the inner wall of the unit radiator outer frame (215) is fixedly connected to the inside of the heat dissipation water tank (214).

4. A heat dissipation and noise reduction ventilation device for a diesel generator set according to claim 2, characterized in that: The outer surfaces of the two aluminum moldings (216) are fixedly connected to the left and right end surfaces of the canvas (213), respectively. The right end of the aluminum molding (216) on the right side is connected to the left end surface of the unit radiator outer frame (215) through a first screw, and the left end of the aluminum molding (216) on the left side is connected to the right end of the exhaust duct (212) through a second screw.

5. The heat dissipation and noise reduction ventilation device for a diesel generator set according to claim 1, characterized in that: The noise-reducing sheets (222) are arranged in three groups from left to right. The noise-reducing sheets (222) in each group are arranged parallel to each other, and the angle between the adjacent noise-reducing sheets (222) on the left and right is an obtuse angle.

6. The heat dissipation and noise reduction ventilation device for a diesel generator set according to claim 1, characterized in that: The sound-absorbing plate (222) comprises a U-shaped limiting plate (2201), a placement box (2202), sound-absorbing cotton (2203) and a cover plate (2204); the cover plate (2204) and the sound-absorbing cotton (2203) are both arranged inside the placement box (2202); the outer surface of the cover plate (2204) is adapted to the inner wall of the placement box (2202); the upper U-shaped limiting plate (2201) is slidably mounted on the top outer surface of the placement box (2202) and the top outer surface of the cover plate (2204); the lower U-shaped limiting plate (2201) is slidably mounted on the bottom outer surface of the placement box (2202) and the bottom outer surface of the cover plate (2204).

7. The heat dissipation and noise reduction ventilation device for a diesel generator set according to claim 6, characterized in that: The U-shaped limiting plate (2201), the placement box (2202) and the cover plate (2204) are all galvanized perforated plates, and the outer surfaces of the U-shaped limiting plate (2201), the placement box (2202) and the cover plate (2204) are connected by rivets.

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