JP4567346B2 - Agricultural fans, etc. - Google Patents

Description

  The present invention relates to an agitation fan for farming or the like installed mainly inside or outside a house (including a greenhouse, a livestock barn, a building, etc., hereinafter, in principle, a house).

  2. Description of the Related Art Conventionally, a house stirring fan has a structure in which a wind tunnel (stirring fan body) is provided with a driving fan such as a stirring fan blade (fan), a guard for a stirring fan blade, and a motor. This kind of house stirring fan is installed in the ridge direction of the house or in a direction perpendicular to the ridge, for example, using a pipe for forming a horizontal beam of the house, a support member, or the like. And the wind (warm air, cold air, etc.) generated by this stirrer fan is blown almost uniformly in the horizontal direction as far as possible toward the ridge direction, etc., and in this house, crops such as fruits, vegetables, plants, etc. It is intended to prevent disease and promote growth, prevent lengthening, uniform growth, prevent high temperature damage in summer, etc., grow livestock in a barn, maintain a breeding environment, or avoid disease. And in order to achieve this purpose and also to achieve cost savings or resource savings of houses, barns, etc. (referred to as houses), the reach of the wind blown from this kind of stirring fan Ensuring the expansion (enlargement) and / or the expansion of the air blowing range (air blowing area) is considered to be the greatest point.

  In order to meet this purpose and / or demand, the inventors of the present application have repeated experiments in a house, and as a result, it has been found that a stirring fan having the following structure is useful. An example of the reason will be described in detail. For example, the present invention having a partial defect shown in FIG. 2-1 and a conventional example of the partial defect shown in FIG. 2-2 (refer to Utility Model Registration No. 3078556, referred to as Document (1)) Will be described in comparison.

  “1” Contrast the wind distance and the wind speed. This will be described with reference to FIGS. 2-1 and 2-2.

  In FIG. 2A of the present invention, the member protruding in the radial direction from the wind tunnel is only the bell mouth for the stirring fan blade, and there are no other obstacles. Therefore, when the stirring fan blade rotates, not only the wind in the vicinity of the stirring fan blade but also the wind behind the stirring fan blade indicated by the arrow (the flow of the wind flows smoothly) The wind in the vicinity of the stirring fan blade + the wind behind the stirring fan blade can be captured. Thereby, expansion of an air volume can be aimed at, and this expanded wind is ventilated far away at a stretch via a stirring fan blade. This air volume appears prominently in the diagram (wind velocity change diagram) shown in FIG. Accordingly, it has been found that the reach distance of the wind is expanded by about 10% to 20%.

  In contrast, in the conventional example of FIG. 2-2 (conventional example), the member protruding radially from the wind tunnel is a bell mouth for the stirring fan blade + a square shape for mounting surrounding the bell mouth. This is an outer frame body (referred to as an outer body). And since this square-shaped outer body becomes a structure which encloses a bellmouth greatly, the said outer body becomes an obstruction in the experimental result for the following reasons. That is, when the stirring fan blades rotate, the wind in the vicinity of the stirring fan blades is targeted, and it is difficult to capture the wind behind the stirring fan blades indicated by the arrows (wind flow is ensured). Seems to be impossible). Therefore, in this conventional example, it is considered that only the wind in the vicinity of the stirring fan blade is used as described above, and therefore it is considered that the air volume cannot be expanded. Therefore, with this configuration, it seems that there is a problem in blowing the wind far away at a stretch through the stirring fan blades. The result is remarkably shown in the diagram shown in FIG. And in this prior art example, the wind speed in each reach | attainment distance of a wind is about 8 to 10% reduction | decrease with respect to this invention.

  “2” Contrast with mounting to the house. Description will be made with reference to FIGS. 1-1 and 1-2, and FIGS. 3-1 and 3-2.

  In FIG. 3A of the present invention, the support bracket can be attached to the frame body to the horizontal beam of the house using the attachment bracket, so that it can be reliably and one-touch mounted. At this time, there are features such as convenience that can be attached by supporting at least two places, and there is no problem in terms of strength, which is beneficial. Further, a gap H is formed between the supporting rod and the wind flow area. This wind flow is associated with the feature of FIG.

  On the other hand, in the conventional example of FIGS. 3-2, it can attach reliably by attaching a support metal fitting to an outer body to a horizontal beam and / or a support rod of a house using an attachment metal fitting. In this case, the structure is complicated because the structure is attached by supporting at least three places. Further, since the gap H is shielded from the support rod, there is a possibility that the wind flow area may be blocked. This blockage of the wind flow is considered to be shown as an example in FIG. .

Utility model registration No. 3078556

  The present invention further enhances the effects of Document 1 described in the background art described above, and saves labor, resources, and power in the house, and improves the efficiency, rationalization, or profitability of house cultivation. It is intended to improve.

  And this invention achieves the simplification of the structure of a stirring fan, weight reduction, etc., the simplicity of attachment and detachment (installation) to a house, the saving of an attachment member, securing of indoor space, etc. Is intended.

  In the invention of claim 1, the wind from the stirring fan is blown in a substantially horizontal direction, and the reach of the wind is expanded and / or the blowing range is expanded. In the house, an obstacle is provided around the stirring fan. Eliminating the use of this stirrer fan to increase the reach, etc., while sending wind to the leaf boundary layer to promote photosynthesis to prevent disease and growth, or eliminate air stagnation and stuffiness to prevent disease In addition, it is intended to prevent the length of the body, to make the growth uniform, to prevent high temperature damage in summer, to improve the heating effect in winter, to circulate soot and carbon dioxide, and to make the effect uniform. In addition, the livestock house intends to improve the breeding environment, reduce the occurrence of diseases, and the like while expanding the reach using this stirring fan. In addition, there is no other obstacle outside the wind tunnel in the radial direction. When the stirring fan blades rotate, not only the wind near the stirring fan blades but also the stirring fan indicated by the arrow. By capturing the wind behind the blades (wind flow smoothly), the wind in the vicinity of the stirring fan blades + the wind behind the stirring fan blades can be captured. Thereby, expansion of an air volume can be aimed at, and this expanded wind intends to ventilate far away at a stretch via a stirring fan blade.

  Claim 1 is a resin wind turbine having a substantially cylindrical wind tunnel having a suction side and a discharge side, and a large number of blade bodies provided on the inside of the discharge side of the converged shape of the wind tunnel in a vortex shape. A vane mouth provided on the wind tunnel, a stirring fan blade provided in front of the bell mouth, a guard protecting the stirring fan blade, and a guard provided in a cylindrical portion of the wind tunnel, A farm that comprises a frame that straddles the bell mouth and a motor that controls the rotation of the stirring fan blades provided on the frame, and only the bell mouth projects radially from the wind tunnel. It is an agitating fan for use.

  The invention of claim 2 is intended to achieve the same object as that of claim 1. In addition, the present invention intends to simplify the structure and to reduce the size and weight, although slightly.

  According to a second aspect of the present invention, a wind tunnel having a substantially cylindrical shape having a suction side and a discharge side, and a plurality of blade bodies provided on the inner side of the converged discharge side of the wind tunnel are made of a vortex-shaped resin. A vane mouth provided on the wind tunnel, a stirring fan blade provided in front of the bell mouth, a guard protecting the stirring fan blade, and a guard provided in a cylindrical portion of the wind tunnel, A farm that comprises a frame that straddles the bell mouth and a motor that controls the rotation of the stirring fan blades provided on the frame, and only the bell mouth projects radially from the wind tunnel. It is an agitating fan for use.

  The invention of claim 1 is a resin in which a wind tunnel having a substantially cylindrical shape having a suction side and a discharge side, and a large number of blade bodies provided on the inside of the discharge side of the converged shape of the wind tunnel in a vortex shape A stationary vane, a bell mouth provided on the wind tunnel, a stirring fan blade provided in front of the bell mouth, a guard protecting the stirring fan blade, and the guard and bell mouth provided on the cylindrical portion of the wind tunnel. It is composed of a straddling frame and a motor that controls the rotation of the stirring fan blades provided on the frame, and is a stirring fan for agriculture and the like characterized in that only a bell mouth projects in the radial direction from the wind tunnel. is there.

  Therefore, according to the first aspect, it is possible to blow the wind from the stirring fan in a substantially horizontal direction, and to widen the reach of this wind and / or to widen the blowing range, and in the house, an obstacle is provided around the stirring fan. Eliminating the use of this stirrer fan to increase the reach, etc., while sending wind to the leaf boundary layer to promote photosynthesis to prevent disease and growth, or eliminate air stagnation and stuffiness to prevent disease It has features such as prevention of protagonism, uniform growth, prevention of high temperature failure in summer, further improvement of heating effect in winter, circulation of smoke and carbon dioxide, and uniform effect. In addition, in the barn, there are benefits such as improvement of the breeding environment and reduction in the occurrence of diseases while increasing the reach using the stirring fan. In addition, there is no other obstacle outside the wind tunnel in the radial direction. When the stirring fan blades rotate, not only the wind near the stirring fan blades but also the stirring fan indicated by the arrow. By capturing the wind behind the blades (wind flow smoothly), the wind in the vicinity of the stirring fan blades + the wind behind the stirring fan blades can be captured. Thereby, the expansion of the air volume can be achieved, and there is an actual benefit that the expanded air can be blown far away at once via the stirring fan blades.

  The invention of claim 2 is a resin in which a wind tunnel having a substantially cylindrical shape having a suction side and a discharge side, and a large number of blade bodies provided on the inside of the discharge side of the converged shape of the wind tunnel in a vortex shape A stationary vane, a bell mouth provided on the wind tunnel, a stirring fan blade provided in front of the bell mouth, a guard protecting the stirring fan blade, and the guard and bell mouth provided on the cylindrical portion of the wind tunnel. It is composed of a straddling frame and a motor that controls the rotation of the stirring fan blades provided on the frame, and is a stirring fan for agriculture and the like characterized in that only a bell mouth projects in the radial direction from the wind tunnel. is there.

  Accordingly, the second aspect can achieve the same object as that of the first aspect, and the present invention has features such as simplification of the structure and slight reduction in size and weight.

  An example of the embodiment of the present invention will be described. In one example shown in FIGS. 5-1 to 9-1 (excluding the conventional examples of FIGS. 5-2 to 9-2), the stirring fan A is a suction unit. The wind tunnel 1 having a substantially cylindrical shape having a side 1a and a discharge side 1b and having a diameter of about φ340 to φ370, and a large number of blade bodies provided inside the convergent discharge side 1b of the wind tunnel 1 are formed in a vortex shape. The resin stationary vane 2 configured, the bell mouth 3 (wind guide) provided in the wind tunnel 1, and the (axial flow) stirring provided in front of the bell mouth 3 (expanded shape) of the wind tunnel 1 The fan mouth 4, the guard 5 protecting the stirring fan blade 4, and the bell mouth 3 connecting the guard 5 and the wind tunnel 1 (the guard 5 and the wind tunnel 1). And a motor 7 that controls the rotation of the stirring fan blades 4 provided on the frame 6. The bell mouth 3 has an example of an integral structure with the wind tunnel 1 and an example of a separate structure, and is appropriately selected depending on necessity, conditions and / or conditions such as material and processing.

  And the said wind tunnel 1 is comprised with steel materials (it is set as steel materials), such as a steel plate or an aluminum steel plate, and the winding restrictor 1b-1 is provided in the discharge side 1b. The stationary blade 2 is attached to the front inner peripheral surface of the cylindrical portion 100 of the wind tunnel 1, and has a structure for converging the wind as a converging shape from the tip portion. Further, the frame 6 is configured using a plate-shaped steel material, and this frame 6 is interposed between the projecting piece 600 provided on the rear outer peripheral surface of the cylindrical portion 100 of the wind tunnel 1 and the case 700 of the motor 7. It is connected and provided so as to straddle the bell mouth 3 and the guard 5. In this example, at least four are provided radially. The frame 6 is provided with a multipurpose hole 602. A support fitting coupler 800 is provided using the frame body 6 and the hole 602, and the support fitting 8 is provided on the support fitting coupler 800 via a fastening tool 9 such as a bolt or a nut. As shown in this example, the configuration in which the support fitting coupler 800 and the support fitting 8 are provided is an example, and an example of an integrated shape is possible although not shown. A pair of elongated holes 801 are formed in the support fitting 8 and are attached to the transverse beam B1 using the U bolt 10 and the nut 1000 inserted into the elongated hole 801. It is also attached to the support rod B2. The U bolt 10 and the nut 1000 are only examples, and any other stoppers (not shown) can be used as long as they can be secured and are not limited (other examples are the same). 10 and 11, when the U-bolt 10 and the nut 1000 are combined, when the cross beam B1 and / or the support rod B2 are pipe-shaped, the vertical direction of the stirring fan A (with respect to the ground) There is an advantage that the direction) can be freely changed. Further, as shown in FIG. 12, the combined structure of the U bolt 10 and the nut 1000 has the advantage that the agitating fan A can be securely attached and the mounting direction can be standardized in the case of the horizontal beam B1 or the prismatic shape. In the figure, reference numeral 601 denotes a bolt or nut tightening tool that secures the frame body 6 and the support fitting connector 800, and the bolt of the tightening tool 601 is inserted into the hole 602 of the frame body 6. In the drawing, reference numeral 603 denotes a stopper for connecting the projecting piece 600 and the frame body 6.

  The stirring fan blade 4 is fixed to an output shaft (not shown) of the motor 7. Therefore, the stirring fan blade 4 is rotated by rotating the output shaft of the motor 7.

  As described above, the agitating fan A of the present invention uses the support fitting coupler 800, the support fitting 8, the U bolt 10, the nut 1000, etc. (attachment fitting) provided on the frame 6, and the horizontal beam of the house B. It can be easily and reliably attached to B1 or support rod B2.

  In the example of the present invention, since the synergistic effect of the stationary blade 2 and the stirring fan blade 4 can be exerted, for example, from the strong wind region on the outer periphery of the stirring fan blade 4 toward the weak wind region near the center of the stationary blade 2. Thus, it is possible to smoothly guide the wind (discharged air or blown air), to make the air (discharged air) discharged from the stirring fan A uniform, and to increase the reach of the discharged air, etc. By suppressing the spread of the wind, there is a feature that it is possible to suppress a decrease in reach distance (wind loss / diffusion) caused by wind hitting an obstacle at the installation location. In addition, the present invention has an actual benefit such as a reduction in the number of installed units through an expansion of reach, a reduction in expenses associated with this reduction, and rationalization. And the stirring fan A of this invention in the house B can be utilized for the system (ventilation system) which sends a wind to the crop in the house B, and is useful. Moreover, this agitating fan A can be used for heating and hot air countermeasures for the house B, thereby enhancing the harvest, improving the growth, preventing and / or reducing the disease.

  And in this invention, there exists the characteristic which can achieve weight reduction (a reduction of about 2.5-3.0 kg as an example) and reduction in the depth direction (a low dimension of about 15-20 cm as an example), and The burden on the house B and / or the housing can be reduced. Further, the reach distance (as an example, 10 to 20% expansion) and / or the wind speed (as an example, 1 to 20% expansion) can be achieved.

Scale schematic diagram of the state where the stirring fan of the present invention is installed in a house Scale schematic diagram of a state in which a conventional stirring fan (conventional stirring fan) with a conventional outer frame is installed in the house An enlarged side view in which the stirring fan of the present invention is partially omitted Enlarged side view with a part of a conventional stirring fan missing The rear view of the state which installed the stirring fan of this invention in the cross beam of the house Rear view of a conventional stirrer fan installed on the horizontal beam and support rod of the house The rear view of the state which attached the support metal fitting to the stirring fan of the present invention Rear view of a conventional stirring fan Front view of the stirring fan of the present invention Front view of a conventional stirring fan The top view of the state which attached the support metal fitting to the stirring fan of this invention Plan view of a conventional stirring fan The side view of the state which attached the support metal fitting to the stirring fan of the present invention Side view of a conventional stirring fan The front perspective view of the state which attached the support metal fitting to the stirring fan of the present invention Front perspective view of a conventional stirring fan The rear perspective view of the state which attached the support metal fitting to the stirring fan of the present invention Rear perspective view of a conventional stirring fan The rear perspective view of the state which attached the stirring fan of this invention to the cross beam The other back perspective view of the state where the stirring fan of the present invention was attached to the cross beam The rear perspective view of the state which attached the support rod to the stirring fan of this invention The principal part enlarged rear view explaining the relationship between the frame of the present invention and the fastening tool and / or the support fitting The principal part expanded side view explaining the relationship between the frame of this invention, a fastener, and / or a support metal fitting The principal part enlarged plan view explaining the relationship between the frame of this invention, a fastener, and / or a support metal fitting Changes in the wind speed of the present invention and the conventional stirring fan

DESCRIPTION OF SYMBOLS 1 Wind tunnel 100 Cylindrical part 1a Suction side 1b Discharge side 1b-1 Winding restriction 2 Stator blade 3 Bell mouth 4 Stirring fan blade 5 Guard 6 Frame body 600 Projection piece 601 Tightening tool 602 Hole 603 Stopping tool 7 Motor 700 Case 8 Support metal fitting 800 Support metal fitting 801 Long hole 9 Fastening tool 10 U bolt 1000 Nut A Stirrer fan B House B1 Cross beam B2 Support rod H Clearance

Claims (2)

  A wind tunnel having a substantially cylindrical shape including a suction side and a discharge side, and a stationary vane made of resin in which a large number of blade bodies provided on the inside of the discharge side of the converged shape of the wind tunnel are formed in a vortex shape; A bell mouth provided in the wind tunnel, a stirring fan blade provided in front of the bell mouth, a guard for protecting the stirring fan blade, and a guard provided in the cylindrical portion of the wind tunnel and straddling the bell mouth An agitating fan for agriculture, etc., comprising a frame and a motor for controlling the rotation of the agitating fan blades provided on the frame, wherein only a bell mouth projects in a radial direction from the wind tunnel. .   A wind tunnel having a substantially cylindrical shape including a suction side and a discharge side, and a stationary vane made of resin in which a large number of blade bodies provided on the inside of the discharge side of the converged shape of the wind tunnel are formed in a vortex shape; A bell mouth provided in the wind tunnel, a stirring fan blade provided in front of the bell mouth, a guard for protecting the stirring fan blade, and a guard provided in the cylindrical portion of the wind tunnel and straddling the bell mouth An agitating fan for agriculture, etc., comprising a frame and a motor for controlling the rotation of the agitating fan blades provided on the frame, wherein only a bell mouth projects in a radial direction from the wind tunnel. .

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