CN215805395U - Antistatic fan grid and loader with same - Google Patents

Abstract

The utility model relates to the field of engineering machinery heat dissipation equipment, in particular to an antistatic fan grille and a loader with the same. On the axial section of the grating, the central lines of the air inducing section and the air guiding section are respectively an arc and a straight line parallel to the central axis of the grating, the central line of the air inducing section is tangent to the central line of the air guiding section, and the front end of the air inducing section is bent inwards. The wind guide area formed by all the cylindrical ribs is divided into a central area and a reinforcing area, and the rear end of the wind guide section of each cylindrical rib in the reinforcing area is connected with the extension section. The utility model can adjust the angle of the airflow, so that the air outlet angle of the diagonal flow fan is changed from the diagonal direction to the axial direction, and the anti-static pressure capability of the fan is improved, so that the fan can be better applied to a loader.

Description

Antistatic fan grid and loader with same

Technical Field

The utility model relates to the field of engineering machinery heat dissipation equipment, in particular to an antistatic fan grid and a loader with the same.

Background

The engine adopts a blowing fan, cold air flows forcibly from the side of the engine to the tail of the whole vehicle under the action of the fan, and is changed into hot air to blow to the tail of the whole vehicle through the diversion of the radiator wind scooper.

The fan adopted by the engine is generally an axial flow fan, and has the characteristics of large flow and low static pressure, but in the operation of a biomass power plant, the operation contents comprise stacking, loading and the like of fuels such as rice husks, crushed straws, branches and the like, and in order to avoid the situation that dust and the like on the operation site are sucked into the whole vehicle by the fan, a suction type operation mode is adopted. However, acne will accumulate in the gap of the heat exchanger, which results in rapid increase of ventilation resistance, and at the moment, the axial flow fan cannot resist the high resistance environment, which results in reduction of air supply volume and influences heat exchange. Therefore, the diagonal flow fan is used as a power part for heat exchange, the fan has the characteristic of medium-flow medium static pressure, can resist certain static pressure without excessively violent reduction of air volume, but the diagonal flow fan has low antistatic capacity because the blown air flow direction is not axial but oblique.

Disclosure of Invention

The utility model aims to solve the technical problem that the static pressure resistance of a fan is reduced by blowing oblique air flow out of an oblique flow fan.

In order to achieve the purpose, the utility model discloses an antistatic fan grid and a loader with the same, wherein the antistatic fan grid comprises a circular grid, the grid comprises a plurality of concentrically arranged cylindrical ribs, the cylindrical ribs are arranged at intervals from inside to outside along the radius direction of the grid, each cylindrical rib comprises an air induction section and an air guide section, the rear end of the air induction section is connected with the front end of the air guide section, on the axial cross section of the grid, the central lines of the air induction section and the air guide section are respectively an arc and a straight line parallel to the central axis of the grid, the central line of the air induction section is tangent to the central line of the air guide section, and the front end of the air induction section is inwards bent. The air flow angle blown out by the diagonal flow fan is adjusted, so that the air outlet angle of the diagonal flow fan is changed from the diagonal direction to the axial direction, and the static pressure resistance of the diagonal flow fan is improved.

Preferably, on an axial cross section of the grille, an axial distance from a front end of a center line of the air guiding section to a rear end of the center line of the air guiding section of each cylindrical rib is 10mm, and a circumferential width and a radial width of each cylindrical rib are 3 mm. The design of the grating is reasonable.

Preferably, all the tube-shape rib constitutes the wind-guiding region, the wind-guiding region divide into the central zone that is located the inboard and is located the enhancement region in the outside, the central zone with it all includes a plurality ofly to strengthen regional each the tube-shape rib the back end of wind-guiding section all connects the extension section on the axial cross section of grid, the central line of extension section with the central line of wind-guiding section is a straight line. Because the airflow in the reinforced area is large, the air guide section with a long distance is needed to change the airflow from the inclined direction to the axial direction, so that the anti-static pressure capability of the fan is improved.

Preferably, the number of the cylindrical ribs is 17, 10 of the cylindrical ribs are located in the central area, the other 7 of the cylindrical ribs are located in the reinforcing area, the front length and the rear length of the plurality of extending sections are gradually increased from inside to outside in an equal length mode on the axial section of the grille, the increasing length is the length of the extending section located at the innermost side, and the static pressure resistance of the diagonal flow fan is improved.

Preferably, the length of the innermost extension is 1 mm.

Preferably, the inner side of the most inner cylindrical rib forms a central ring, and the center of the grille is free from air flow, so that the grille is more reasonable in design.

Preferably, on the axial cross section of the grille, an included angle between a connecting line of the front end of the central line of the air inducing section and the rear end of the central line of the air inducing section on each cylindrical rib and the central axis of the grille is 3 degrees, so that airflow can be better cut into the grille, and the on-way resistance loss of the airflow is reduced.

Preferably, still include a plurality of edges grid circumferencial direction equidistance distribute and with every the tube-shape rib is cross connection's rib all, every the both ends of rib all connect respectively and are located the innermost tube-shape rib with be located the outermost tube-shape rib, improved the steadiness of grid.

Preferably, a plurality of the cylindrical ribs are arranged at equal intervals. The stability of the grille and the static pressure resistance of the diagonal flow fan are improved.

A loader with antistatic fan grid comprises a loader, wherein the grid is installed on the loader.

In conclusion, the beneficial effects of the utility model are as follows: the utility model can adjust the angle of the airflow, so that the air outlet angle of the diagonal flow fan is changed from the diagonal direction to the axial direction, and the anti-static pressure capability of the fan is improved, so that the fan can be better applied to a loader.

Drawings

FIG. 1 is a schematic view of an antistatic fan grille according to the present invention;

FIG. 2 is a partial view of a cross-sectional view A-A of FIG. 1;

FIG. 3 is a partial enlarged view of B in FIG. 2;

in the figure, 1, cylindrical ribs, 11, air guiding sections, 12, air guiding sections, 13, extension sections, 2, ribs, 31, central areas, 32, reinforcing areas, 4 and central circular rings.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

In the description of the present application, it should be understood that the terms "center", "inside", "outside", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in fig. 1, the term "front" is the air intake direction, i.e., the right side of fig. 2 is "front", and the term "rear" is the air outlet direction, i.e., the left side of fig. 2 is "rear". The above terms are merely for convenience in describing the present application and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The following is a description of preferred embodiments of the present invention with reference to the accompanying drawings.

The utility model discloses an antistatic fan grille and a loader with the same. As shown in fig. 1, an antistatic type fan grid includes circular grid, the grid includes a plurality of concentric tube-shape ribs 1 that set up, and is a plurality of tube-shape rib 1 follows the equidistance interval sets up from inside to outside of the direction of radius of grid. The central ring 4 is formed on the inner side of the most inner cylindrical rib 1, and because the wind blown by the diagonal flow fan is oblique, no airflow exists in the center of the grille, and the size of the central ring 4 can be determined according to the specification of the diagonal flow fan, so that the grille is more reasonable in design. Still include a plurality of edges grid circumferencial direction equidistance distribute and with every the tube-shape rib 1 is cross connection rib 2 all, every the both ends of rib 2 are all connected respectively and are located the innermost tube-shape rib 1 with be located the outside tube-shape rib 1.

As shown in fig. 2 and 3 (the direction indicated by the arrow in the figure is the flow direction of the wind), each of the cylindrical ribs 1 includes an air guiding section 11 and an air guiding section 12, and the rear end of the air guiding section 11 is connected to the front end of the air guiding section 12. On the axial cross section of the grating, the central lines of the air inducing section 11 and the air guiding section 12 are respectively an arc and a straight line parallel to the central axis of the grating, the central line of the air inducing section 11 is tangent to the central line of the air guiding section 12, and the front end of the air inducing section 11 is bent inwards.

On the axial section of the grille, the axial distance from the front end of the central line of the air guiding section 11 to the rear end of the central line of the air guiding section 12 of each cylindrical rib 1 is 10mm, and the circumferential width and the radial width of each cylindrical rib 1 are 3 mm; the included angle between the connecting line of the front end of the central line of the air induction section 11 and the rear end of the central line of the air guide section 12 on each cylindrical rib 1 and the central axis of the grating is 3 degrees.

All tube-shape rib 1 constitutes the wind-guiding region, the wind-guiding region divide into the central zone 31 that is located the inboard and is located the enhancement region 32 in the outside, central zone 31 with it all includes a plurality ofly to strengthen region 32 tube-shape rib 1, strengthen region 32 every tube-shape rib 1 the back end of wind-guiding section 12 all connects extension section 13 on the axial cross section of grid, the central line of extension section 13 with the central line of wind-guiding section 12 is a straight line. The cylindrical ribs 1 have 17 ribs, 10 of which are located in the central region 31, and the other 7 of which are located in the reinforcing region 32. In the axial section of the grid, the front and back lengths of the extension sections 13 gradually increase from inside to outside in equal length, and the increasing length is the length of the extension section 13 positioned at the innermost side, and the length of the extension section is preferably 1 mm.

The antistatic fan grid is positioned on the air outlet side of the diagonal flow fan, the angle of air flow can be adjusted, the air blown out by the diagonal flow fan is changed from the diagonal direction to the axial direction, the antistatic capability of the diagonal flow fan is improved, and the diagonal flow fan can be better applied to a loader.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides an antistatic type fan grid, a serial communication port, including circular grid, the grid includes tube-shape rib (1) that a plurality of concentric settings, and is a plurality of tube-shape rib (1) is followed the radial direction of grid sets up from inside to outside interval, every tube-shape rib (1) all includes induced air section (11) and wind-guiding section (12), the rear end of induced air section (11) is connected the front end of wind-guiding section (12) on the axial cross-section of grid, induced air section (11) with the central line of wind-guiding section (12) is the circular arc respectively and is on a parallel with the straight line of grid axis, just the central line of induced air section (11) with the central line of wind-guiding section (12) is tangent, the front end incurve of induced air section (11).

2. The antistatic fan grid as claimed in claim 1, wherein the axial distance from the front end of the central line of the air guiding section (11) to the rear end of the central line of the air guiding section (12) of each cylindrical rib (1) is 10mm on the axial section of the grid, and the circumferential width and the radial width of each cylindrical rib (1) are 3 mm.

3. The antistatic fan grid of claim 2, characterized in that, all tube-shape rib (1) constitutes the wind-guiding region, the wind-guiding region divide into central zone (31) that is located the inboard and strengthen regional (32) that is located the outside, central zone (31) with strengthen regional (32) and all include a plurality ofly tube-shape rib (1), strengthen every of region (32) tube-shape rib (1) the rear end of wind-guiding section (12) all connects extension section (13) on the axial cross section of grid, the central line of extension section (13) with the central line of wind-guiding section (12) is a straight line.

4. An antistatic fan grill according to claim 3, wherein the cylindrical ribs (1) have 17 ribs, 10 of which are located in the central region (31) and 7 of which are located in the reinforcing region (32), and the front and rear lengths of the plurality of extension sections (13) are gradually increased from the inside to the outside by equal lengths in the axial cross section of the grill, and the increased lengths are the lengths of the innermost extension sections (13).

5. The grid for fans of the type that resists static pressure, as claimed in claim 4, characterized in that the length of the extension (13) that is located innermost is 1 mm.

6. An antistatic fan grill according to any one of claims 1 to 5, wherein the inner side of the innermost cylindrical rib (1) forms a central ring (4).

7. The antistatic fan grille according to any one of claims 1 to 5 characterized in that on the axial cross section of the grille, the included angle between the connecting line of the front end of the center line of the air inducing section (11) and the rear end of the center line of the air guiding section (12) on each cylindrical rib (1) and the central axis of the grille is 3 °.

8. The fan grid of claim 1 to 5, further comprising a plurality of ribs (2) equally spaced along the circumferential direction of the grid and cross-connected to each of the cylindrical ribs (1), wherein both ends of each of the ribs (2) are respectively connected to the cylindrical rib (1) located at the innermost side and the cylindrical rib (1) located at the outermost side.

9. An antistatic fan grill according to any one of claims 1 to 5, wherein a plurality of the cylindrical ribs (1) are provided at equal intervals.

10. A loader having an antistatic type fan grill as recited in claim 1, characterized in that: comprising a loader on which the grate is mounted.

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