CN213116423U

CN213116423U - Water-cooled reactive muffler

Info

Publication number: CN213116423U
Application number: CN202021655178.7U
Authority: CN
Inventors: 杨培斌; 李成金; 庄严; 国忠义; 耿青青
Original assignee: YUNNAN AEROSPACE INDUSTRY CO LTD
Current assignee: YUNNAN AEROSPACE INDUSTRY CO LTD
Priority date: 2020-08-11
Filing date: 2020-08-11
Publication date: 2021-05-04
Anticipated expiration: 2030-08-11

Abstract

The utility model discloses a water-cooled resistance muffler aims at providing a device of making an uproar falls in engine that compact structure, noise reduction effect are obvious, heat load is low. The reactive silencer is integrally arranged in the cooling water tank and consists of resonant cavities I, II and III which are separated by partition plates, and the resonant cavities are connected through pipelines with small holes. The cooling water tank is a cuboid box body, the arranged water inlet and the water outlet are positioned on the front and the back opposite sides of the cuboid and are respectively connected with the engine radiator, and water circularly takes away the heat of the silencer in the cooling water tank through the water inlet pipe and enters the engine radiator through the water outlet to carry out heat exchange so as to circulate.

Description

Water-cooled reactive muffler

Technical Field

The utility model relates to an equipment technical field of making an uproar falls, especially concretely relates to water-cooled resistance muffler.

Background

The engine is taken as a power derivative and comprises an automobile, a generator set, a water pump and other series products, the noise reduction and vibration reduction are always a great technical problem, and researches show that the noise of the engine mainly comes from exhaust noise; with the increasingly strict international requirements on environmental protection, higher requirements are provided for engine emission and noise output, and the existing technology for reducing noise of exhaust noise is mainly to provide a reactive or resistive muffler, so that for the reactive muffler, a part of sound waves still penetrate through the wall of the muffler or energy is transmitted to the wall of the muffler after the noise is refracted and reflected in the muffler, and the noise reduction effect is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a water-cooled resistance muffler has characteristics such as compact structure, usage are extensive, noise reduction effect is obvious, reduce the heat load.

In order to achieve the above object, the present invention provides a method for manufacturing a semiconductor device.

A water-cooled type resistance muffler comprises a cooling water tank and a resistance muffler, wherein the cooling water tank and the resistance muffler are transversely arranged and in a cuboid shape, a sandwich structure is formed by the cooling water tank and a muffler shell, a cooling water channel is formed by the sandwich, a cooling water tank water inlet pipe orifice is formed in one side of the top of the cooling water tank, a water tank water outlet pipe orifice is formed in the other side of the bottom of the cooling water tank, a resistance muffler inlet pipe orifice is formed in the side surface of the cooling water tank close to the cooling water tank water inlet pipe orifice, and an exhaust tail pipe orifice is formed in the side surface of; inside the cooling water tank, an inner wall is formed by the walls of the reactive muffler pipe, in which three resonance chambers are arranged side by side: the space close to the water inlet pipe of the cooling water tank is a silencer resonant cavity I, the middle part of the space is a silencer resonant cavity II, and the space close to the tail pipe of the cooling water tank is a silencer resonant cavity III; the silencer resonant cavity I and the silencer resonant cavity II are separated by a partition plate I, and the silencer resonant cavity II and the silencer resonant cavity III are separated by a partition plate II; the resonant cavities are connected by a silencing pipe with a round hole, and an inlet pipe orifice and an exhaust tail pipe orifice of the reactive silencer are respectively inserted into the resonant cavity I and the resonant cavity III.

The utility model has the advantages that the resistant muffler is arranged inside the cooling water tank and is tightly combined with the water tank, and the resistant muffler and the surplus part of the cooling water tank form a circulating water channel for circulating water to flow; the operation of the circulating water channel can effectively reduce noise and heat load. The reactive silencer is provided with three resonant cavities, so that three-level noise reduction can be realized, and the resonant cavities are connected by a silencing pipe.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a schematic view of the internal axial measurement structure of the present invention;

the reference numbers in the figures: 1-cooling water tank inlet pipe, 2-cooling water tank water channel, 3-silencer resonance chamber III, 4-tail pipe, 5-water tank outlet pipe, 6-silencer resonance chamber II, 7-silencer resonance chamber I, 8-resistant silencer inlet pipe, 9-cooling water tank, 10-round hole, 11-partition plate I, 12-silencing pipe, 13-partition plate II, 14-resistant silencer pipe wall.

Detailed Description

Specific embodiments of the present invention will be described below with reference to the accompanying drawings, in which components or processes and descriptions that are irrelevant to the art or known to those skilled in the art are omitted.

Referring to fig. 1-3, a water-cooled reactive muffler is characterized in that: the water cooling system comprises a cooling water tank 9 which is transversely arranged and is shaped like a cuboid, a shell of the cooling water tank 9 is arranged into a sandwich structure, a cooling water channel 2 is formed by the sandwich structure, a cooling water tank water inlet pipe orifice 1 is formed in one side of the top of the cooling water tank 9, a water tank water outlet pipe orifice 5 is formed in the other side of the bottom of the cooling water tank 9, a resistance silencer inlet pipe orifice 8 is formed in the side surface of the cooling water tank 9 close to the cooling water tank water inlet pipe orifice 1, and an exhaust tail pipe orifice 4 is formed in the side surface of the cooling water tank; inside the cooling water tank 9, an inner wall is formed by the resistant muffler pipe wall 14, in which three resonance chambers are arranged side by side: the space close to the cooling water tank water inlet pipe orifice 1 is a silencer resonant cavity I7, the middle part is a silencer resonant cavity II 6, and the space close to the exhaust tail pipe orifice 4 is a silencer resonant cavity III 3; the silencer resonant cavity I7 and the silencer resonant cavity II 6 are separated by a partition plate I11, and the silencer resonant cavity II 6 and the silencer resonant cavity III 3 are separated by a partition plate II 13; the resonant cavities are connected by a silencing pipe 12 with a circular hole 10, and the inlet pipe orifice 8 and the exhaust tail pipe orifice 4 of the reactive silencer are respectively inserted into the resonant cavity I and the resonant cavity III.

The utility model discloses business turn over water piping connection engine radiator provides water circulation, as shown in figure 1. The resonant cavities I, II and III divide the cavity into three parts through the partition plates I and II, the partition plate I in the resonant cavity I is connected with an inlet pipe orifice 8 of the reactive muffler, the inlet pipe orifice 8 is simultaneously and tightly connected with a pipe wall 14 of the reactive muffler and a cooling water tank, the partition plates at two ends of the resonant cavity II are connected by a silencing pipe 12 with a circular hole in the middle, the resonant cavity III is connected with the pipe wall 14 of the muffler and a tail pipe 4, and the tail pipe is tightly connected with the cooling water tank 9.

Claims

1. A water-cooled reactive muffler characterized by: comprises a cooling water tank (9) which is transversely arranged and is shaped like a cuboid and a reactive muffler; the cooling water tank (9) and the resistant silencer shell form an interlayer, the interlayer forms a cooling water channel (2), one side of the top of the cooling water tank (9) is provided with a cooling water tank water inlet pipe orifice (1), the other side of the bottom of the cooling water tank (9) is provided with a water tank water outlet pipe orifice (5), the side of the cooling water tank (9) close to the cooling water tank water inlet pipe orifice (1) is provided with a resistant silencer inlet pipe orifice (8), and the side of the cooling water tank (9) close to the water tank water outlet pipe orifice (5) is provided with an exhaust tail pipe orifice (4); inside the cooling water tank (9), an inner wall is formed by a resistant muffler pipe wall (14), in which three resonance chambers are arranged side by side: the space close to the water inlet pipe orifice (1) of the cooling water tank is a silencer resonant cavity I (7), the middle part of the space is a silencer resonant cavity II (6), and the space close to the exhaust tail pipe orifice (4) is a silencer resonant cavity III (3); the silencer resonant cavity I (7) and the silencer resonant cavity II (6) are separated by a partition plate I (11), and the silencer resonant cavity II (6) and the silencer resonant cavity III (3) are separated by a partition plate II (13); the resonant cavities are connected by a silencing pipe (12) with a round hole (10), and an inlet pipe orifice (8) and an exhaust tail pipe orifice (4) of the reactive silencer are respectively inserted into the resonant cavity I and the resonant cavity III.