Solar fan device

Abstract

The utility model discloses a solar fan device. The solar fan device comprises a fan structure; a photovoltaic structure; a connection structure; when the driving motor is a direct current motor, the photovoltaic structure is electrically connected with the driving motor through the direct current interface; when the driving motor is an alternating current motor, the photovoltaic structure is electrically connected with the driving motor through the first alternating current interface and / or the second alternating current interface. According to the utility model, the photovoltaic structure can supply power to the impeller using the direct current motor or the impeller using the alternating current motor, and the storage battery can be used for storing redundant electric energy converted by the photovoltaic structure, so that the applicability of the utility model is better; the photovoltaic structure is rotationally connected with the fan structure through the connecting structure, so that the angle of the photovoltaic structure can be adjusted, the photovoltaic structure deviates from the air outlet of the impeller and the air inlet of the impeller, and the photovoltaic structure is prevented from affecting operation of the impeller.

Description

TECHNICAL FIELD

[0001] The utility model relates to fan field especially relates to a solar fan device. BACKGROUND

[0002] Fan is relied on the input mechanical energy, improves the gas pressure and sends the gas machinery, fan is widely used in all walks of life, for example rural kitchen exhaust fan, vegetable greenhouse ventilation fan, greenhouse breeding room ventilation fan and workshop ventilation fan etc., the existing fan generally through the state grid power supply, because fan needs frequent use or longer time use, the power consumption of fan is big, according to statistics fan is one of the important power consumption equipment of the country, and fan power consumption accounts for about 5% of the total power generation of the country.

[0003] With the continuous improvement of new energy technology in our country, especially the maturity of photovoltaic and energy storage technology, solar power generation has been widely used in many devices, and solar energy can also be applied to fan, but in the prior art, solar energy is only used for part of the fan, which has great limitations. INVENTION CONTENTS

[0004] In order to overcome at least one of the above-mentioned defects of the prior art, the utility model provides a solar fan device, the photovoltaic structure can be used for the impeller of direct current motor or the impeller of alternating current motor, and the excess power converted by the photovoltaic structure can also be stored by using the storage battery, so that the applicability of the utility model is better, and the photovoltaic structure is connected with the fan structure by the connecting structure, so that the angle of the photovoltaic structure can be adjusted, the photovoltaic structure is arranged away from the air outlet of the impeller and the air inlet of the impeller, and the working of the impeller is avoided to be affected by the photovoltaic structure.

[0005] The utility model discloses a solar fan device, which comprises:

[0006] A solar fan device comprises:

[0007] The fan structure comprises a driving motor and an impeller, and the driving motor drives the impeller to rotate. The photovoltaic structure forms a direct current interface through a first power transmission line, forms a first alternating current interface through a second power transmission line and an inverter, and forms a second alternating current interface through a third power transmission line, a storage battery and an inverter.

[0008] The connecting structure is connected with the fan structure by the connecting structure, and the photovoltaic structure is arranged away from the air outlet of the impeller and the air inlet of the impeller.

[0009] When the driving motor is a direct current motor, the photovoltaic structure is electrically connected with the driving motor through the direct current interface.

[0010] When the drive motor is an AC motor, the photovoltaic structure is electrically connected to the drive motor through the first AC interface and / or the second AC interface.

[0011] In some embodiments, the fan structure is an axial flow fan structure or a centrifugal fan structure;

[0012] When the fan structure is an axial flow fan structure, the fan structure further includes a first fan fixing bracket;

[0013] When the fan structure is a centrifugal fan structure, the fan structure further includes a volute and a second fan fixing bracket.

[0014] In some embodiments, the first fan fixing bracket includes a first fixing portion and a second fixing portion;

[0015] The first fixing portion is a frustum-shaped grid structure, and the drive motor is disposed through the center position of the first fixing portion;

[0016] The second fixing portion is a flared sleeve structure, and the impeller is disposed through the center position of the second fixing portion.

[0017] In some embodiments, the first fixing portion includes spokes and a mesh cover connected to each other. The spokes are in a "C" shape, and the mesh cover is disposed in the concave portion of the spokes. A plurality of spokes are radially arranged along the center of the first fixing portion;

[0018] The second fixing portion includes a sleeve and a fixing frame connected to each other. The impeller is disposed inside the sleeve. There is a gap between the impeller and the sleeve. The outer edge of the opening of the sleeve is connected to the fixing frame through an arc connecting portion, and the fixing frame is turned outwards.

[0019] In some embodiments, the photovoltaic structure is rotatably connected to the first fixing portion or the second fixing portion through a connecting structure.

[0020] In some embodiments, when the fan is a centrifugal fan, the impeller is disposed inside the volute, and the volute is disposed on the front side of the second fan fixing bracket;

[0021] The drive motor and the inverter are disposed in the middle of the second fan fixing bracket;

[0022] The storage battery is disposed on the rear side of the fan fixing bracket.

[0023] In some embodiments, the photovoltaic structure is rotatably connected to the volute or the second fan fixing bracket through a connecting structure.

[0024] In some embodiments, when the drive motor is a DC motor, the solar fan device further includes a driver, and the photovoltaic structure is electrically connected to the drive motor through the driver;

[0025] When the driving motor is an alternating current motor, the solar fan device further comprises a controller, and the photovoltaic structure is electrically connected with the driving motor through the controller.

[0026] In some embodiments, the impeller is a three-dimensional flow impeller, and the impeller comprises an impeller body and blades, a plurality of blades are arranged radially and spaced apart on the circumferential side of the impeller body, and the blades are spatially twisted.

[0027] In some embodiments, the photovoltaic structure comprises a plurality of photovoltaic pieces, and the plurality of photovoltaic pieces are connected in series or in parallel.

[0028] In summary, the photovoltaic structure in the utility model can supply power to the impeller using a direct current motor or the impeller using an alternating current motor, and the excess electric energy converted by the photovoltaic structure can be stored by using a storage battery, so that the utility model has good applicability. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is an external structure schematic view of a first perspective in the embodiment 1 of the utility model;

[0030] Figure 2 It is an external structure schematic view of a second perspective in the embodiment 1 of the utility model;

[0031] Figure 3 It is an external structure schematic view of a third perspective in the embodiment 1 of the utility model;

[0032] Figure 4 It is the embodiment 1 of the utility model Figure 3 A-A direction's section view schematic view;

[0033] Figure 5 It is the structure schematic view of blade in the embodiment 1 of the utility model;

[0034] Figure 6 It is the embodiment 1 of the utility model in Figure 5 The schematic view of blade installation angle of section 1;

[0035] Figure 7 It is the schematic view of blade installation angle of section 2 in the embodiment 1 of the utility model in Figure 5

[0036] Figure 8 It is the schematic view of blade installation angle of section 3 in the embodiment 1 of the utility model in Figure 5

[0037] ​​Figure 9 for the embodiment 1 of the utility model in Figure 5 the schematic view of blade installation angle of middle section 4;

[0038] Figure 10 for the embodiment 1 of the utility model in Figure 5 the schematic view of blade installation angle of middle section 5;

[0039] Figure 11 for the embodiment 1 of the utility model in Figure 5 the schematic view of blade installation angle of middle section 6;

[0040] Figure 12 for the external structure schematic view of first visual angle in the embodiment 2 of the utility model;

[0041] Figure 13 for the external structure schematic view of second visual angle in the embodiment 2 of the utility model;

[0042] Figure 14 for the structure schematic view of blade in the embodiment 2 of the utility model;

[0043] Figure 15 for the schematic view of blade root installation angle in the embodiment 2 of the utility model;

[0044] Figure 16 for the schematic view of blade top installation angle in the embodiment 2 of the utility model.

[0045] Wherein, the meaning of the reference sign is as follows:

[0046] 10, fan structure, 101, driving motor, 102, impeller, 1021, wheel body, 1022, blade, 103, air outlet, 104, air inlet, 105, first fan fixing frame, 1051, spoke, 1052, mesh cover, 1053, sleeve, 1054, fixed frame, 1055, arc connecting portion, 106, volute, 107, second fan fixing frame, 20, connecting structure, 30, photovoltaic structure, 40, inverter, 50, battery, 60, driver, 70, controller. DETAILED DESCRIPTION

[0047] In order to better understand and implement, the technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model.

[0048] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0049] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model.

[0050] Referring to Figures 1-16 The utility model discloses a solar fan device, include: fan structure 10, fan structure 10 includes drive motor 101 and impeller 102, drive motor 101 drives impeller 102 rotation, photovoltaic structure 30 forms direct current interface through first transmission line, photovoltaic structure 30 forms first alternating current interface through second transmission line and inverter 40, photovoltaic structure 30 forms second alternating current interface through third transmission line, battery 50 and inverter 40, connecting structure 20, photovoltaic structure 30 is rotationally connected with fan structure 10 through connecting structure 20, and photovoltaic structure 30 is arranged deviating from the air outlet 103 of impeller 102 and the air inlet 104 of impeller 102, when drive motor 101 is direct current motor, photovoltaic structure 30 is electrically connected with drive motor 101 through direct current interface, when drive motor 101 is alternating current motor, photovoltaic structure 30 is electrically connected with drive motor 101 through first alternating current interface and / or second alternating current interface.

[0051] It should be noted that photovoltaic structure 30 can directly adopt existing electrical connection technology to form a direct current interface through the first transmission line, photovoltaic structure 30 can directly adopt existing electrical connection technology to form a first alternating current interface through the second transmission line and the inverter 40, photovoltaic structure 30 can directly adopt existing electrical connection technology to form a second alternating current interface through the third transmission line, the battery 50 and the inverter 40, which will not be repeated here, so that the photovoltaic structure 30 has three different interfaces, compared with the photovoltaic structure which is only provided with one interface, the direct current interface (not shown in the drawing), the first alternating current interface (not shown in the drawing) and the second alternating current interface (not shown in the drawing) of the photovoltaic structure 30 can adapt to different loads, so that the photovoltaic structure 30 can be connected with different loads according to the actual application requirements.

[0052] The photovoltaic structure 30 in the utility model can supply power to the impeller 102 of a direct current motor or the impeller 102 of an alternating current motor, and can also store the excess electric energy converted by the photovoltaic structure 30 by using the storage battery 50, so that the utility model has good applicability; and the photovoltaic structure 30 in the utility model is rotatably connected with the fan structure 10 through the connecting structure 20, so that the angle of the photovoltaic structure 30 can be adjusted, and the photovoltaic structure 30 is arranged away from the air outlet 103 of the impeller 102 and the air inlet 104 of the impeller 102, so that the photovoltaic structure 30 does not affect the work of the impeller 102.

[0053] It should be noted that, for the convenience of description, the photovoltaic structure 30 and the fan structure 10 are in a disassembled state rather than an assembled state in the above Figures 1-4 、 Figures 12-13 .

[0054] The following will be described by taking the direct current motor as an example and the alternating current motor as an example.

[0055] Embodiment 1

[0056] Referring to Figures 1-11 , in the embodiment of the utility model, when the fan structure 10 is an axial flow fan structure, the fan structure 10 further comprises a first fan fixing frame 105.

[0057] In the embodiment of the utility model, the first fan fixing frame 105 comprises a first fixing part and a second fixing part; the first fixing part is a conical frustum-shaped net rack structure, and the driving motor 101 is arranged at the center position of the first fixing part; the second fixing part is a trumpet-shaped sleeve structure, and the impeller 102 is arranged at the center position of the second fixing part.

[0058] Referring to Figure 4 , compared with the flat bottom net rack structure, the conical frustum-shaped net rack structure protrudes outward, the conical frustum-shaped net rack structure increases the contact area between the net rack structure and the air, can capture more air, increases the air inlet amount, and thus improves the working efficiency of the fan structure 10.

[0059] Continuously referring to Figure 4 , compared with the straight cylinder-shaped sleeve structure, the trumpet-shaped sleeve structure is turned outward on the side, the trumpet-shaped sleeve structure increases the air outlet angle, so that the air outlet range is larger, and the effect of fan ventilation and air exchange is realized.

[0060] In the embodiment of the utility model, first fixed part includes spoke 1051 and mesh cover 1052 who connects each other, spoke 1051 is " " character type, and mesh cover 1052 sets up in the recess of spoke 1051, and multiple spoke 1051 is arranged along the center of first fixed part radially;Second fixed part includes sleeve 1053 and fixed frame 1054 who connects each other, impeller 102 sets up in the inside of sleeve 1053, and there is gap between impeller 102 and sleeve 1053, and the opening outer edge of sleeve 1053 is connected with fixed frame 1054 through arc connecting part 1055, and fixed frame 1054 is folded outward.

[0061] Because mesh cover 1052 sets up in the recess of spoke 1051, and multiple spoke 1051 is arranged along the center of first fixed part radially, so multiple spoke 1051 is clamped in the outside of mesh cover 1052, and multiple spoke 1051 forms multiple point support and multiple point strengthening to mesh cover 1052.

[0062] Mesh cover 1052 has mesh on it to form air inlet 104, and the setting gap and the setting number of spoke 1051 are correct to not affect the air inlet function of mesh cover 1052.

[0063] Referring to Figure 1 , four spoke 1051 is arranged along the center of first fixed part radially, and the included angle between adjacent two spoke 1051 is 90 °, so that spoke 1051 can play the role of support and strengthening to mesh cover 1052, and spoke 1051 will not affect the air inlet function of mesh cover 1052;Of course, in other application scenarios, spoke 1051 can be provided as two, three or five, six, which is determined according to the actual application scenario, and is not limited.

[0064] Both ends of first fixed part and second fixed part have openings, and first fixed part and second fixed part are communicated with each other to form air duct, and the end of first fixed part away from second fixed part forms air inlet 104, and the end of second fixed part away from first fixed part forms air outlet 103. That is, mesh cover 1052 has mesh on it to form air inlet 104, and mesh cover 1052 and sleeve 1053 are communicated with each other to form air duct, and the opening of sleeve 1053 away from mesh cover 1052 forms air outlet 103.

[0065] Because first fixed part and second fixed part are connected with each other, in first fixed part, mesh cover 1052 is arranged in the recess of spoke 1051, and in second fixed part, fixed frame 1054 is arranged on the opening outer edge of sleeve 1053, so that mesh cover 1052 is arranged between spoke 1051 and sleeve 1053, further strengthening the installation stability of mesh cover 1052.

[0066] Further, the spoke 1051, the mesh cover 1052, the sleeve 1053 and the fixed frame 1054 are connected into one body by welding, clamping or screwing.

[0067] In the embodiment of the utility model, the photovoltaic structure 30 is rotatably connected with the first fixing part or the second fixing part through the connecting structure 20.

[0068] Specifically, one end of the connecting structure 20 is rotatably connected with the photovoltaic structure 30 through a rotating shaft, and the other end of the connecting structure 20 is fixedly connected with the first fixing part or the second fixing part; or, one end of the connecting structure 20 is fixedly connected with the photovoltaic structure 30, and the other end of the connecting structure 20 is rotatably connected with the first fixing part or the second fixing part through a rotating shaft; or, one end of the connecting structure 20 is rotatably connected with the photovoltaic structure 30 through a rotating shaft, and the other end of the connecting structure 20 is rotatably connected with the first fixing part or the second fixing part through a rotating shaft; so that the angle of the photovoltaic structure 30 can be adjusted according to the intensity and angle of light.

[0069] Further, in some application scenarios, a locking device, such as a screw, can be added at the position provided with the rotating shaft, so that the angle can be maintained after the photovoltaic structure 30 is adjusted.

[0070] In the embodiment of the utility model, when the driving motor 101 is a direct current motor, the solar fan device further comprises a driver 60, and the photovoltaic structure 30 is electrically connected with the driving motor 101 through the driver 60.

[0071] Specifically, the direct current motor is a brushless direct current motor, and the driver 60 is a brushless direct current driver.

[0072] The driver 60 intelligently commutates the direct current power provided by the photovoltaic structure 30, accurately adjusts the speed, provides a suitable driving power source for the direct current motor, and plays the roles of overcurrent protection, overvoltage protection and overheat protection.

[0073] The photovoltaic structure 30 receives sunlight and emits direct current, the direct current is adjusted by the driver 60 and then provided to the direct current motor, and the direct current motor drives the impeller 102 to rotate, which is suitable for places with low power, low speed, and regular ventilation, such as exhaust systems in rural kitchens, greenhouse ventilation systems and breeding field ventilation systems.

[0074] In the embodiment of the utility model, the impeller 102 is a three-dimensional flow impeller, the impeller 102 comprises a wheel body 1021 and blades 1022, a plurality of blades 1022 are arranged in a radial manner on the circumferential side of the wheel body 1021, and the blades 1022 are in a spatially twisted shape.

[0075] Specifically, referring to Figures 5-11The blade 1022 is transversely cut along the direction from the root of the blade 1022 to the top of the blade 1022 at equal intervals, the blade installation angle of section 1 is a1, the blade installation angle of section 2 is a2, the blade installation angle of section 3 is a3, the blade installation angle of section 4 is a4, the blade installation angle of section 5 is a5, the blade installation angle of section 6 is a6, and a1>a2>a3>a4>a5>a6.

[0076] In some application scenarios, a1=65°, a2=60°, a3=55°, a4=50°, a4=45°, and a6=40°.

[0077] It should be noted that the fan structure 10 is an axial fan structure 10, the airflow direction is parallel to the axial flow of the fan structure 10, and the blade 1022 mainly guides the airflow to accelerate in the axial direction.

[0078] In this way, the root of the blade 1022 has a large installation angle, the airflow deflection (i.e., the circulation) is enhanced, the lift is improved to overcome the low kinetic energy problem of the root, the top of the blade 1022 has a small installation angle, the top of the blade 1022 has a high speed, the small installation angle can reduce the shock loss (in supersonic flow) and friction resistance, and local airflow separation is avoided, and the installation angle continuously decreases along the direction from the root of the blade 1022 to the top of the blade 1022, so that the blade 1022 can adapt to the airflow characteristics at different radial positions, the overall efficiency is improved, and the energy consumption is reduced.

[0079] Specifically, the wheel body 1021 is in transmission connection with the output shaft of the driving motor 101, the mounting seat of the driving motor 101 is connected and fixed with the first fixing portion in a mode of welding, clamping, screw connection or the like, and the blade 1022 has a gap with the sleeve 1053 to avoid mutual interference between the blade 1022 and the sleeve 1053.

[0080] In the embodiment of the utility model, the photovoltaic structure 30 includes a plurality of photovoltaic pieces which are connected in series or in parallel.

[0081] It should be noted that the photovoltaic pieces are connected in series or in parallel according to actual application scenarios, a plurality of photovoltaic pieces can be connected in series, a plurality of photovoltaic pieces can be connected in parallel, or a plurality of photovoltaic pieces can be connected in series in groups and then connected in parallel; how the photovoltaic structure 30 realizes the conversion of solar energy into electric energy can be directly realized by using the prior art, and details are not repeated here.

[0082] Embodiment 2

[0083] Referring to Figures 12-16 In the embodiment of the utility model, when the fan structure 10 is a centrifugal fan structure, the fan structure 10 further includes a volute 106 and a second fan fixing frame 107.

[0084] Specifically, the middle opening of the volute 106 is the air inlet 104, and the side opening of the volute 106 is the air outlet 103.

[0085] In the embodiment of the utility model, when the fan is a centrifugal fan, the impeller 102 is arranged inside the volute 106, and the volute 106 is arranged at the front side of the second fan fixing frame 107; the driving motor 101 and the inverter 40 are arranged at the middle part of the second fan fixing frame 107; and the storage battery 50 is arranged at the rear side of the fan fixing frame.

[0086] In the embodiment of the utility model, the photovoltaic structure 30 is rotatably connected with the volute 106 or the second fan fixing frame 107 through the connecting structure 20.

[0087] Specifically, one end of the connecting structure 20 is rotatably connected with the photovoltaic structure 30 through a rotating shaft, and the other end of the connecting structure 20 is fixedly connected with the volute 106 or the second fan fixing frame 107; or, one end of the connecting structure 20 is fixedly connected with the photovoltaic structure 30, and the other end of the connecting structure 20 is rotatably connected with the volute 106 or the second fan fixing frame 107 through a rotating shaft; or, one end of the connecting structure 20 is rotatably connected with the photovoltaic structure 30 through a rotating shaft, and the other end of the connecting structure 20 is rotatably connected with the volute 106 or the second fan fixing frame 107 through a rotating shaft; so that the angle of the photovoltaic structure 30 can be adjusted according to the light intensity and the light angle.

[0088] Further, in some application scenarios, a locking device, such as a screw, can be added at the position provided with the rotating shaft, so as to keep the angle of the photovoltaic structure 30 after the angle adjustment is completed.

[0089] In the embodiment of the utility model, when the driving motor 101 is a direct current motor, the solar fan device further comprises a driver 60, and the photovoltaic structure 30 is electrically connected with the driving motor 101 through the driver 60.

[0090] In the embodiment of the utility model, when the driving motor 101 is an alternating current motor, the solar fan device further comprises a controller 70, and the photovoltaic structure 30 is electrically connected with the storage battery 50 through the controller 70.

[0091] It should be noted that the inverter 40 converts the direct current output by the photovoltaic structure 30 into alternating current that meets the requirements of the alternating current motor, ensures that the output alternating current voltage is stable within a specified range, reduces the influence of voltage fluctuation on the alternating current motor, filters the output alternating current, and plays the roles of overcurrent protection, overvoltage protection, undervoltage protection, and overheat protection.

[0092] The controller 70 is responsible for charging the direct current power output by the photovoltaic structure 30 into the storage battery 50, adjusting the charging and discharging current and voltage, preventing overcharging or overdischarging of the storage battery 50, having reverse connection, short circuit, overvoltage protection functions, and being capable of real-time monitoring, display and communication.

[0093] The storage battery 50 is mainly used for energy storage, and stores the excess power generated by the photovoltaic structure 30 when the light is sufficient, and releases the stored power when the light is insufficient or there is no light at night, plays a buffering role, makes the power output to the load more stable, and reduces the damage to the alternating current motor.

[0094] This mode is suitable for places with high power, high speed and regular ventilation, such as exhaust systems in factories.

[0095] In the embodiment of the utility model, the impeller 102 is a three-dimensional flow impeller, the impeller 102 includes a wheel body 1021 and a blade 1022, a plurality of blades 1022 are arranged radially and spaced apart on the circumferential side of the wheel body 1021, and the blade 1022 is a spatially twisted shape.

[0096] Specifically, referring to Figures 14-16 The blade root installation angle of the blade 1022 is b1, and the blade top installation angle of the blade 1022 is b2, and b1>b2.

[0097] In some application scenarios, b1=50° and b2=30°.

[0098] It should be noted that the fan structure 10 is a centrifugal fan structure, and the airflow direction is changed from axial to radial (centrifugal flow).

[0099] The blade 1022 has a large installation angle at the root, which enhances the airflow deflection (i.e., increases the circulation), improves the lift to overcome the low kinetic energy problem at the root, and has a small installation angle at the top of the blade 1022, the top speed of the blade 1022 is high, the small installation angle can reduce the shock loss (when supersonic flow) and friction resistance, avoid local airflow separation, thereby improving the overall efficiency and reducing energy consumption.

[0100] In the embodiment of the utility model, the photovoltaic structure 30 includes a plurality of photovoltaic pieces, and the plurality of photovoltaic pieces are connected in series or parallel.

[0101] It should be noted that the photovoltaic pieces are connected in series or parallel according to the actual application scenario, and a plurality of photovoltaic pieces can be connected in series, or a plurality of photovoltaic pieces can be connected in parallel, or a plurality of photovoltaic pieces can be connected in series and then connected in parallel; how the photovoltaic structure 30 realizes the conversion of solar energy to electric energy can be directly realized by using the existing technology, and will not be described here.

[0102] The technical means disclosed by the utility model scheme are not limited to the technical means disclosed by the above-mentioned embodiments, and also include technical schemes composed of any combination of the above technical features. It should be noted that, for ordinary skilled persons in the art, without departing from the principles of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered within the protection scope of the utility model.

Claims

1. A solar windmill apparatus, characterized by, The solar fan device comprises: a fan structure, which comprises a driving motor and an impeller, wherein the driving motor drives the impeller to rotate; a photovoltaic structure, which forms a direct current interface through a first power transmission line, forms a first alternating current interface through a second power transmission line and an inverter, and forms a second alternating current interface through a third power transmission line, a storage battery and an inverter; a connecting structure, wherein the photovoltaic structure is rotationally connected to the fan structure through the connecting structure, and the photovoltaic structure is arranged away from an air outlet of the impeller and an air inlet of the impeller; when the driving motor is a direct current motor, the photovoltaic structure is electrically connected to the driving motor through the direct current interface; when the driving motor is an alternating current motor, the photovoltaic structure is electrically connected to the driving motor through the first alternating current interface and / or the second alternating current interface.

2. The solar fan device of claim 1, wherein: The fan structure is an axial fan structure or a centrifugal fan structure; when the fan structure is an axial fan structure, the fan structure further comprises a first fan fixing frame; when the fan structure is a centrifugal fan structure, the fan structure further comprises a volute and a second fan fixing frame.

3. The solar fan device of claim 2, wherein: The first fan fixing frame comprises a first fixing part and a second fixing part; the first fixing part is a conical frustum-shaped net rack structure, and the driving motor is arranged at the center of the first fixing part; the second fixing part is a horn-shaped sleeve structure, and the impeller is arranged at the center of the second fixing part.

4. The solar fan device of claim 3, wherein: The first fixing part comprises spokes and a mesh cover which are connected to each other, the spokes are in the shape of "Dang" character, and the mesh cover is arranged in the concave part of the spokes, and a plurality of spokes are arranged radially along the center of the first fixing part; the second fixing part comprises a sleeve and a fixing frame which are connected to each other, the impeller is arranged inside the sleeve, there is a gap between the impeller and the sleeve, the opening outer edge of the sleeve is connected to the fixing frame through an arc-shaped connecting part, and the fixing frame is outwardly folded.

5. The solar fan device of claim 3, wherein: The photovoltaic structure is rotationally connected to the first fixing part or the second fixing part through the connecting structure.

6. The solar fan device of claim 2, wherein: when the fan is a centrifugal fan, the impeller is arranged inside the volute, and the volute is arranged at the front side of the second fan fixing frame; the driving motor and the inverter are arranged at the middle part of the second fan fixing frame; the storage battery is arranged at the rear side of the fan fixing frame.

7. The solar fan device of claim 6, wherein: The photovoltaic structure is rotationally connected to the volute or the second fan fixing frame through the connecting structure.

8. The solar fan device of claim 2, wherein: when the driving motor is a direct current motor, the solar fan device further comprises a driver, and the photovoltaic structure is electrically connected to the driving motor through the driver; when the driving motor is an alternating current motor, the solar fan device further comprises a controller, and the photovoltaic structure is electrically connected to the driving motor through the controller.

9. The solar-powered fan device of any one of claims 1-8, wherein: The impeller is a three-dimensional flow impeller, which comprises a wheel body and blades, a plurality of blades are arranged radially and spaced apart on the circumferential side of the wheel body, and the blades are in a spatially twisted shape.

10. The solar-powered fan device of any one of claims 1-8, wherein: The photovoltaic structure comprises a plurality of photovoltaic sheets, and the photovoltaic sheets are connected in series or in parallel.

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