Wind scooper assembly structure of generator set

Abstract

The utility model aims to provide a wind scooper assembly structure of a generator set. The wind scooper assembly structure mainly comprises a centrifugal fan fairing assembly and a fairing assembly, the centrifugal fan flow guide cover assembly and the flow guide cover assembly are connected and are respectively arranged on the centrifugal fan and the generator set body in a wrapping manner; the design of the trapezoidal air inlet and outlet and the beveled air outlet channel is beneficial for providing sufficient heat dissipation for a heat dissipation part of an engine of the generator set, and cooling air is utilized to the maximum extent to meet the heat dissipation requirements of a cylinder head and a cylinder body of an internal combustion engine; compared with the prior art, the wind scooper is simple in structure, easy to install, low in manufacturing cost, light in material and reasonable in design.

Description

Technical Field

[0001] The utility model belongs to the technical field of internal combustion engines and relates to a generator set wind guide cover assembly structure. Background Art

[0002] The common internal combustion engine of a generator set needs to use an air scoop to guide the effective air volume provided by the centrifugal fan to dissipate the heat of the engine. The traditional air scoop has a poor air guiding effect, so that most of the air volume is located in the upper part of the air outlet, mainly dissipating heat from the cylinder head, and the cylinder body is poorly cooled. Poor heat dissipation performance can easily lead to insufficient performance of the internal combustion engine. In addition, most traditional air scoops are made of metal, which is not only inconvenient to install but also has anti-rust paint on the surface. If the heat dissipation is not good, the heat cannot be taken away, and the working environment temperature will become high, which will not only affect the service life of the air scoop but also cause the performance of the engine set to decline. Summary of the invention

[0003] In order to solve the above problems, the utility model provides a generator set air duct assembly structure, which mainly includes a centrifugal fan air duct assembly and an air duct assembly; the centrifugal fan air duct assembly is composed of a centrifugal fan air duct I and a centrifugal fan air duct II, which are connected by bolts through a first bolt mounting hole; the air duct assembly is composed of an air duct I and an air duct II, which are connected by bolts through a second bolt mounting hole; the centrifugal fan air duct assembly and the air duct assembly are connected at a connection with an installation limit groove, which are respectively wrapped and installed on the centrifugal fan and the generator set body.

[0004] Preferably, the centrifugal fan air deflector assembly is designed with a trapezoidal air outlet that is wide at the top and narrow at the bottom; the air deflector assembly is designed with a trapezoidal air inlet that is wide at the top and narrow at the bottom; the trapezoidal air inlet and outlet have trapezoidal openings that are wide at the top and narrow at the bottom with the same size.

[0005] Preferably, the centrifugal fan air guide cover assembly has an arc-shaped beveled air outlet channel.

[0006] Beneficial effects:

[0007] Compared with the prior art, the design purpose of the trapezoidal opening that is wide at the top and narrow at the bottom is to be able to effectively gather the air volume in the middle and upper part of the centrifugal fan air shroud outlet (the cylinder head requires more cooling air). The centrifugal fan air shroud and the air shroud both adopt the trapezoidal inlet and outlet that is wide at the top and narrow at the bottom in order to facilitate installation and maximize the use of air volume. The design of the arc-shaped beveled air outlet channel of the centrifugal fan air shroud assembly is to allow the air volume originally gathered in the middle and upper part of the air outlet to be dispersed by about one-third of the air volume to the lower part of the air outlet through the beveled design to dissipate heat to the engine cylinder body, so that the cooling air is evenly distributed on each fin, forming a cylindrical flow-around method. The cylindrical flow-around method can also allow the cooling air to cool the cooling fins back to the air inlet, so that the air volume can be utilized to the greatest extent, making the engine heat dissipation effect significant. Improving heat dissipation performance is beneficial to improving engine performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 This is a front view of the air guide cover assembly of the utility model;

[0009] Figure 2 It is a front view of the air guide cover assembly and the centrifugal fan air guide cover assembly of the utility model;

[0010] Figure 3 It is a right side view of the centrifugal fan air guide cover assembly of the utility model;

[0011] Figure 4 It is a top view of the centrifugal fan air guide cover assembly of the utility model;

[0012] Figure 5 It is a left side view of the air deflector assembly of the utility model;

[0013] Figure 6 The utility model is an axonometric diagram of the wind guide cover assembly installed on the generator.

[0014] In the figure: 1—air guide cover assembly;

[0015] 9—centrifugal fan; 10—generator set body; 11—centrifugal fan air deflector assembly; 12—air deflector assembly; 111—centrifugal fan air deflector I; 112—centrifugal fan air deflector II; 11A—trapezoidal air outlet; 1A—installation limit groove; 1B—first bolt mounting hole; 1C—second bolt mounting hole; 11C—arc-shaped beveled air outlet channel; 121—air deflector I; 122—air deflector II; 12A—trapezoidal air inlet. DETAILED DESCRIPTION

[0016] The utility model will be further described below in conjunction with the accompanying drawings.

[0017] like Figures 1 to 6As shown, the utility model provides a generator set air deflector assembly structure, which is mainly an air deflector assembly (1). The air deflector assembly (1) includes a centrifugal fan air deflector assembly (11) and an air deflector assembly (12). The centrifugal fan air deflector assembly (11) includes a centrifugal fan air deflector I (111) and a centrifugal fan air deflector II (112). The air deflector assembly (12) includes an air deflector I (121) and an air deflector II (122). The air deflector I (121) and the air deflector II (122) are connected by bolts through a limit groove, and the centrifugal fan air deflector is similar. After connection, the air deflector assembly (12) forms a trapezoidal air inlet (12A) that is narrow at the top and wide at the bottom, and the centrifugal fan air deflector is similar. The air deflector assembly (12) and the centrifugal fan air deflector assembly (11) are connected by bolts through a limit groove. Figure 3 , Figure 5 The installation limit groove (1A) at the air inlet and outlet is installed to connect the trapezoidal air inlet and outlet, and the air deflector assembly (12) and the centrifugal fan air deflector assembly (11) are respectively wrapped and installed on the generator set body (10) and the centrifugal fan (9). Not only is the installation convenient and simple, but also the air volume provided by the fan is maximized.

[0018] Working principle:

[0019] When working, the centrifugal fan (9) provides air volume, and the air volume is gathered at the middle and upper section of the air inlet of the air guide cover (12A), thereby meeting the heat dissipation requirements of the cylinder head of the internal combustion engine. The centrifugal fan air guide cover has an arc-shaped oblique cut of the air outlet channel (11C). The arc-shaped structure is intended to change the direction of the air volume at the air outlet, so that a large amount of cooling air originally gathers at the middle and upper section of the air outlet, and guides part of the air volume to gather at the lower end of the air outlet by oblique cutting, so that the cooling fins of the cylinder body of the internal combustion engine can absorb the cooling air for heat dissipation, effectively meeting 65% of the heat dissipation of the cylinder head and 35% of the heat dissipation of the cylinder body, thereby improving the heat dissipation performance of the internal combustion engine.

[0020] In summary, the utility model has a simple, compact and easy-to-install structure, can make full use of the air volume to provide the heat dissipation needs of the internal combustion engine, can use flame-retardant PP as the material, has a light overall weight, excellent material performance, good quality and low price, and can be 3D printed in one piece.

Claims

1. A generator set wind guide cover assembly structure, characterized in that The invention mainly comprises a centrifugal fan air deflector assembly (11) and an air deflector assembly (12); the centrifugal fan air deflector assembly (11) comprises a centrifugal fan air deflector I (111) and a centrifugal fan air deflector II (112); the centrifugal fan air deflector I (111) and the centrifugal fan air deflector II (112) are connected by bolts via a first bolt mounting hole (1B); the air deflector assembly (12) comprises an air deflector I (121) and an air deflector II (122); the air deflector I (121) and the air deflector II (122) are connected by bolts via a second bolt mounting hole (1C); a mounting limit groove (1A) is provided at the connection between the centrifugal fan air deflector assembly (11) and the air deflector assembly (12); the centrifugal fan air deflector assembly (11) and the air deflector assembly (12) are respectively wrapped and mounted on a centrifugal fan (9) and a generator set body (10).

2. The wind deflector assembly structure of a generator set according to claim 1, characterized in that The centrifugal fan air deflector assembly (11) is designed with a trapezoidal air outlet (11A) that is wide at the top and narrow at the bottom; the air deflector assembly (12) is designed with a trapezoidal air inlet (12A) that is wide at the top and narrow at the bottom; the trapezoidal air outlet (11A) and the trapezoidal air inlet (12A) have trapezoidal openings that are wide at the top and narrow at the bottom and have the same size.

3. The wind deflector assembly structure of a generator set according to claim 1, characterized in that The centrifugal fan air guide cover has an arc-shaped oblique air outlet channel (11C).

Images