CN215057827U

CN215057827U - Air inlet structure of generator set

Info

Publication number: CN215057827U
Application number: CN202121449129.2U
Authority: CN
Inventors: 罗昌国
Original assignee: China Lutian Machinery Co ltd
Current assignee: China Lutian Machinery Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-07
Anticipated expiration: 2031-06-28

Abstract

The utility model provides a generating set's air inlet structure belongs to generator technical field. It has solved the big problem of current generating set's noise of admitting air. The air inlet structure of the generator set comprises a case and an engine arranged in the case, wherein the engine is provided with a combustion air inlet end and a cooling air inlet end. This structure has reduced generating set's noise of admitting air.

Description

Air inlet structure of generator set

Technical Field

The utility model belongs to the technical field of the generator, refer in particular to a generating set's air inlet structure.

Background

The generator is a complete set of mechanical equipment for converting energy of other forms into electric energy, and consists of a power system, a silencing system, a damping system and an exhaust system, the generator has wide application in industrial and agricultural production, national defense, science and technology and daily life, and along with the technical progress in recent years, the generator is used as a high-quality choice of a household emergency power supply and a field trip power supply, and a light-weight portable small-sized generator set also begins to enter the daily life of residents. The generator produces more heat at the course of the work for the machine generates heat, and generator internally mounted has cooling fan, and cooling fan inhales the generator with external cold wind inside and carries out the forced air cooling, and the generator still has the burning intake pipe, inhales the engine with external air inside, provides oxygen for the burning of fuel.

At present, the chinese patent network discloses a small gasoline generator [ grant publication No.: CN207278361U, which comprises a frame, be provided with the generator main part in the frame and be used for driving the gasoline engine of generator main part motion, generator main part and gasoline engine all expose outside, gasoline engine has combustion air inlet and cooling air inlet, in operation, combustion air inlet inhales the air from the external world and provides oxygen for the fuel burning, cooling air inlet inhales air conditioning from the external world simultaneously and cools off gasoline engine, but combustion air inlet and cooling air inlet are located the different positions of gasoline engine on the current gasoline engine, and combustion air inlet and cooling air inlet all expose outside, combustion air inlet and cooling air inlet are at the in-process of breathing in, can produce great noise, make the noise of gasoline engine in the electricity generation process great.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a generating set's inlet structure, the utility model aims to solve the technical problem that: how to reduce the air inlet noise of the generator set.

The purpose of the utility model can be realized by the following technical proposal:

the utility model provides a generating set's air inlet structure, generating set includes quick-witted case and sets up the engine in quick-witted case, the engine has burning inlet end and cooling inlet end, its characterized in that, this air inlet structure is including setting up the inlet chamber in quick-witted case one side, set up the inlet port I that is linked together with the inlet chamber on the lateral wall of quick-witted case, burning inlet end and cooling inlet end all are linked together with the inlet chamber.

The working principle is as follows: the air in the air inlet chamber respectively enters the combustion air inlet end and the cooling air inlet end, the air enters the interior of the engine through the combustion air inlet end to provide oxygen for combustion of fuel, and the air enters the engine through the cooling air inlet end to cool the engine in an air cooling mode. This structure adopts and sets up an inlet chamber alone on quick-witted case, and this inlet chamber is separated with quick-witted incasement portion's space, and the condition that the inside hot-air of machine case enters into the inlet chamber can not appear, and combustion inlet end and cooling inlet end share an inlet chamber, and the inlet chamber has certain seal, is showing the noise of admitting air of reducing the engine at the in-process that combustion was admitted air and cooled air.

In the air inlet structure of the generator set, the cooling air inlet end extends into the air inlet chamber. The cooling air inlet end of the structure is directly communicated with the air inlet chamber, the structure is simple, and the external air inlet pipeline is not arranged, so that the air inlet noise is favorably reduced.

In the air inlet structure of the generator set, the combustion air inlet end is connected with an air inlet pipe, and one end of the air inlet pipe extends into the air inlet chamber. The combustion air inlet end of the structure is communicated with the air inlet chamber through the air inlet pipe, and the connection of the combustion air inlet end and the air inlet chamber is simple and convenient.

In the air intake structure of the generator set, the combustion air intake end and the cooling air intake end are located on the same side, and the combustion air intake end is located above the cooling air intake end. The combustion air inlet end and the cooling air inlet end of the structure are positioned on the same side, so that the structure is convenient to be connected with the air inlet chamber to realize centralized air inlet.

In the air inlet structure of the generator set, one side of the case is provided with a side plate which is detachably connected, an inverted L-shaped partition plate is arranged in the case, two ends of the partition plate are respectively abutted against the inner side wall of the corresponding case, the lower end of the partition plate is abutted against the inner bottom surface of the case, and the side plate, the partition plate, the inner side wall of the case and the inner bottom surface of the case form the air inlet chamber. The air inlet chamber and the inner space of the case are in an isolation state, so that the condition that hot air in the case enters the air inlet chamber is avoided.

In the air inlet structure of the generator set, the first air inlet is arranged at the lower part of the side wall of the case. The first air inlet is arranged at a lower position, so that cold air can conveniently enter the air inlet chamber.

In the air inlet structure of the generator set, the lower part of the side wall of the case is provided with a convex part which is convex outwards, and the lower surface of the convex part is provided with the first air inlet. The first air inlet hole is formed in the lower surface of the protruding portion, so that external rainwater or water drops cannot enter the air inlet chamber through the first air inlet hole, and a waterproof effect is achieved.

In the air inlet structure of the generator set, the convex part is of a triangular structure.

In the air inlet structure of the generator set, a second air inlet communicated with the air inlet chamber is formed in the bottom surface of the case. The bottom of the air inlet chamber can be air inlet through the air inlet holes II, and air inlet efficiency is improved.

In the air inlet structure of the generator set, the inner wall of the air inlet chamber is provided with the soundproof cotton layer. The soundproof cotton layer plays the effect of making an uproar that falls in giving sound insulation, further reduces the noise of admitting air of generating set working process.

Compared with the prior art, the utility model discloses a generating set's inlet structure has following advantage: this structure adopts and sets up an inlet chamber alone on quick-witted case, and this inlet chamber is separated with quick-witted incasement portion's space, and the condition that the inside hot-air of machine case enters into the inlet chamber can not appear, and combustion inlet end and cooling inlet end share an inlet chamber, and the inlet chamber has certain seal, is showing the noise of admitting air of reducing the engine at the in-process that combustion was admitted air and cooled air.

Drawings

Fig. 1 is one of the schematic perspective views of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the side plate of the present invention.

Fig. 3 is a schematic sectional structure of the present invention.

Fig. 4 is a second schematic perspective view of the present invention.

In the figure, 1, a chassis; 10. a side plate; 11. a boss portion; 2. an engine; 20. a combustion air intake end; 21. cooling the air inlet end; 3. an air intake chamber; 4. a first air inlet; 5. an air inlet pipe; 6. a partition plate; 7. a second air inlet; 8. and a soundproof cotton layer.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, the air intake structure of the generator set includes a case 1 and an engine 2 disposed in the case 1, the engine 2 has a combustion air intake end 20 and a cooling air intake end 21, the air intake structure includes an air intake chamber 3 disposed on one side of the case 1, a soundproof cotton layer 8 is disposed on an inner wall of the air intake chamber 3, a first air intake hole 4 communicated with the air intake chamber 3 is disposed on a side wall of the case 1, the first air intake hole 4 is disposed on a lower portion of the side wall of the case 1, the combustion air intake end 20 and the cooling air intake end 21 are both communicated with the air intake chamber 3, in this embodiment, the combustion air intake end 20 and the cooling air intake end 21 are disposed on the same side, the combustion air intake end 20 is disposed above the cooling air intake end 21, the cooling air intake end 21 extends into the air intake chamber 3, the combustion air intake end 20 is connected with an air intake pipe 5, and one end of the air intake pipe 5 extends into the air intake chamber 3. Outside air enters the air inlet chamber 3 through the air inlet hole I4, the air in the air inlet chamber 3 enters the combustion air inlet end 20 and the cooling air inlet end 21 respectively, the air enters the interior of the engine 2 through the combustion air inlet end 20 to provide oxygen for combustion of fuel, and the air enters the engine 2 through the cooling air inlet end 21 to cool the engine 2 in an air cooling mode. This structure adopts and sets up an inlet chamber 3 alone on quick-witted case 1, and this inlet chamber 3 is separated with the inside space of quick-witted case 1, and the condition that the inside hot-air of machine case 1 enters into inlet chamber 3 can not appear, and combustion inlet end 20 and cooling inlet end 21 share inlet chamber 3, and inlet chamber 3 has certain seal, and the noise of admitting air in the in-process of the combustion air admission and the cooling air admission of engine 2 is showing and is reducing.

As shown in fig. 2, a side plate 10 detachably connected to one side of the chassis 1 is provided, an inverted "L" shaped partition plate 6 is provided in the chassis 1, two ends of the partition plate 6 respectively abut against the inner side wall of the corresponding chassis 1, the lower end of the partition plate 6 abuts against the inner bottom surface of the chassis 1, and the side plate 10, the partition plate 6, the inner side wall of the chassis 1, and the inner bottom surface of the chassis 1 form an air inlet chamber 3. The air inlet chamber 3 is in an isolated state with the internal space of the case 1, so that the condition that hot air in the case 1 enters the air inlet chamber 3 is avoided.

As shown in fig. 2 and 4, the lower portion of the side wall of the chassis 1 is provided with a protruding portion 11 protruding outward, the protruding portion 11 is in a triangular structure, a first air inlet 4 is formed in the lower surface of the protruding portion 11, and a second air inlet 7 communicated with the air inlet chamber 3 is formed in the bottom surface of the chassis 1. The first air inlet hole 4 is formed in the lower surface of the protruding portion 11, water can be prevented from entering the air inlet chamber 3 through the first air inlet hole 4, the air inlet chamber 3 can achieve multi-position air inlet due to the arrangement of the first air inlet hole 4 and the second air inlet hole 7, and air inlet efficiency is improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a generating set's air inlet structure, generating set include quick-witted case (1) and engine (2) of setting in quick-witted case (1), engine (2) have burning inlet end (20) and cooling inlet end (21), its characterized in that, this air inlet structure is including setting up inlet chamber (3) in quick-witted case (1) one side, set up inlet port (4) that are linked together with inlet chamber (3) on the lateral wall of quick-witted case (1), burning inlet end (20) and cooling inlet end (21) all are linked together with inlet chamber (3).

2. An air inlet structure of a generator set according to claim 1, characterized in that the cooling air inlet end (21) extends into the air inlet chamber (3).

3. An air inlet structure of a generator set according to claim 1, characterized in that an air inlet pipe (5) is connected to the combustion air inlet end (20), and one end of the air inlet pipe (5) extends into the air inlet chamber (3).

4. An air intake structure of a generator set according to claim 1, characterized in that the combustion air intake end (20) and the cooling air intake end (21) are located on the same side, and the combustion air intake end (20) is located above the cooling air intake end (21).

5. The air inlet structure of the generator set according to claim 1, wherein one side of the case (1) is provided with a side plate (10) which is detachably connected, an inverted L-shaped partition plate (6) is arranged in the case (1), two ends of the partition plate (6) are respectively abutted against the inner side wall of the corresponding case (1), the lower end of the partition plate (6) is abutted against the inner bottom surface of the case (1), and the side plate (10), the partition plate (6), the inner side wall of the case (1) and the inner bottom surface of the case (1) form the air inlet chamber (3).

6. An air intake structure of a generator set according to claim 5, wherein the first air intake hole (4) is provided at a lower portion of a side wall of the cabinet (1).

7. The air intake structure of a generator set according to claim 1, 5 or 6, wherein the lower portion of the side wall of the housing (1) is provided with a protrusion (11) protruding outwards, and the lower surface of the protrusion (11) is provided with the first air inlet (4).

8. An air inlet structure of a generator set according to claim 7, characterized in that the boss (11) is of a triangular structure.

9. The air intake structure of the generator set according to claim 1, wherein a second air inlet (7) communicated with the air intake chamber (3) is formed on the bottom surface of the case (1).

10. An air intake structure of a generator set according to claim 1, characterized in that the inner wall of the air intake chamber (3) is provided with a soundproof cotton layer (8).