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CN-120667400-B - Solar attic fan

CN120667400BCN 120667400 BCN120667400 BCN 120667400BCN-120667400-B

Abstract

The application relates to a solar attic fan which comprises a shell component, a fan device and a solar power supply device for supplying power to the fan device, wherein the shell component is assembled on an attic roof and is hollow in the interior, the fan device comprises a driving device and a fan blade component, a liftable mounting frame component is arranged in the shell component, the driving device is connected with the mounting frame component through a torque transmission piece, the solar power supply device is assembled on the other end of the driving device and is electrically connected with the driving device through a power supply module, a movable gap is arranged between the fan device and the solar power supply device, the mounting frame component is configured to sense the temperature in the shell component, and when the temperature rises, the mounting frame component drives the driving device to rise and is far away from the fan blade component so as to reduce wind resistance, meanwhile, the movable gap is increased, and the flow of air flow passing through the solar power supply device and the driving device is increased so as to assist heat dissipation.

Inventors

  • XU DU

Assignees

  • 常州尚兰智能科技有限公司

Dates

Publication Date
20260512
Application Date
20250805

Claims (9)

  1. 1. The solar attic fan is characterized by comprising a shell component (1), a fan device (2), a solar power supply device (5) and an auxiliary air flow rate control device, wherein the shell component (1) is assembled on an attic roof and is hollow in the interior, the fan device (2) comprises a driving device (21) and a fan blade component (22), a lifting installation frame component (3) is arranged in the shell component (1), one end of the driving device (21) is connected with the fan blade component (22) through a torque transmission piece (24), the solar power supply device (5) is used for supplying power to the fan device (2), the solar power supply device (5) is assembled on the other end of the driving device (21) and is electrically connected with the driving device (21) through a power supply module, a movable gap (4) is arranged between the fan device (2) and the solar power supply device (5), the installation frame component (3) is configured to sense the temperature in the shell component (1), and when the temperature rises, the installation frame component (3) drives the driving device (21) to rise and away from the component (22) so as to increase the air flow rate through the auxiliary air flow rate control device (21) and the auxiliary air flow rate control device (21); The mounting frame assembly (3) comprises a plurality of fixing frames (31), a temperature sensing assembly (32) and a lifting block (33), wherein the fixing frames (31) are columnar members, the fixing frames (31) are arranged inside the housing assembly (1) at intervals along the circumferential direction of the housing assembly (1), a plurality of gaps which are arranged at intervals along the circumferential direction are formed between the fixing frames (31) and the housing assembly (1), a rectangular sliding groove (311) which extends along the vertical direction is formed in one side, away from the housing assembly (1), of the fixing frames (31), the temperature sensing assembly (32) is assembled in the rectangular sliding groove (311), one side of the lifting block (33) is assembled in the rectangular sliding groove (311) in a sliding mode along the up-down direction, the temperature sensing assembly (32) is configured to sense the temperature rise inside the housing assembly (1) and drive the lifting block (33) to rise, and the other side of the lifting block (33) is connected with the driving device (21).
  2. 2. The solar attic fan according to claim 1, wherein the temperature sensing assembly (32) comprises a bimetallic strip (321), a rectangular groove (3111) is formed in the bottom side wall of the rectangular sliding groove (311), the bimetallic strip (321) is assembled in the rectangular groove (3111), a moving block (322) is assembled on the inner wall of the bottom end of the rectangular sliding groove (311) in a sliding manner along the radial direction of the housing assembly (1), a first inclined surface (3221) is formed in the top end of the moving block (322), a second inclined surface (331) which is identical to the first inclined surface (3221) in shape is formed in the bottom end of the lifting block (33), and when the temperature inside the housing assembly (1) rises, the bimetallic strip (321) is configured to drive the moving block (322) to move towards the central axis direction of the housing assembly (1), so that the first inclined surface (3221) and the second inclined surface (331) are mutually abutted to drive the lifting block (33) to lift.
  3. 3. The solar attic fan according to claim 1, wherein the driving device (21) comprises a motor outer bin (211), a motor (2110) is arranged in the motor outer bin (211), a driving shaft of the motor (2110) extends out of one end of the motor outer bin (211), the other sides of the lifting blocks (33) are fixedly assembled on the outer wall of the motor outer bin (211) at intervals along the circumferential direction, an annular threaded groove (2111) is coaxially formed in the outer portion of the other end of the motor outer bin (211), the threaded bin cover (212) is screwed into the threaded groove (2111), and an angle adjusting piece (23) is arranged on the threaded bin cover (212) and is connected with the solar power supply device (5) through the angle adjusting piece (23).
  4. 4. A solar attic fan according to claim 3, wherein the blade assembly (22) comprises a support (221), one end of the housing assembly (1) extends into an attic roof, a plurality of vent holes (11) are formed in the outer portion of one end of the housing assembly (1) at intervals, the vent holes (11) are annularly formed in one end of the housing assembly (1), the support (221) is assembled on the inner wall of one end of the housing assembly (1), a blade (222) is assembled on the support (221) and is provided with a tapered roller bearing (223) coaxial with a driving shaft of a motor (2110), one side of the blade (222) is connected with an inner ring of the tapered roller bearing (223), the blade (222) is located below the vent holes (11), and the other side of the blade (222) is connected with the motor (2110) through a torque transmission piece (24).
  5. 5. The solar attic fan according to claim 4, wherein the torque transmission member (24) comprises an extension tube (241), the extension tube (241) is arranged on the other side of the fan blade (222), a plurality of strip-shaped key grooves (2411) are circumferentially arranged on the extension tube (241) along the inner wall of the extension tube, the cutting rod (242) is coaxially and fixedly assembled on the driving shaft of the motor (2110), and key strips (2421) with shapes matched with the strip-shaped key grooves (2411) are circumferentially arranged on the outer portion of the cutting rod (242).
  6. 6. A solar attic fan according to claim 3, wherein the solar power supply device (5) comprises a buckling cover plate (52), a bowl-shaped cavity is formed in the buckling cover plate (52), one side of the buckling cover plate (52) is connected with the angle adjusting piece (23), a solar panel (53) is arranged on the other side of the buckling cover plate, and the solar panel (53) is electrically connected with the driving device (21).
  7. 7. A solar attic fan according to claim 6, wherein the angle adjusting piece (23) comprises a hollow spherical frame (231), a cylindrical cavity (2121) is formed in the threaded bin cover (212), the hollow spherical frame (231) is assembled outside the threaded bin cover (212) and communicated with the cylindrical cavity (2121), a fixed filling medium (2122) is arranged in the cylindrical cavity (2121), a piston column (232) is sealed in the cylindrical cavity (2121) in a sliding mode, one end of the piston column (232) extends out of the cylindrical cavity (2121) and is in mutual collision with the motor outer bin (211), a deflection ball (233) is arranged in the hollow spherical frame (231), one end, away from the cylindrical cavity (2121), of the deflection ball (233) protrudes out of the hollow spherical frame (231), a plurality of resistance pieces (234) are fixedly connected to the other end of the resistance pieces (234), one end of each resistance piece extends into the cylindrical cavity (2121) and is assembled in the cylindrical cavity (2121), one end of each resistance piece (234) is extended out of the cylindrical cavity (2121), and one end of each resistance piece (233) is fixedly connected to one end of the cover plates (52) and the other.
  8. 8. The solar attic fan according to claim 4, further comprising an annular dustproof assembly (6), wherein the dustproof assembly (6) comprises a first elastic ring (61), an annular dustproof net (62), an outer ring of the annular dustproof net (62) is coaxially and fixedly assembled on the inner wall of the first elastic ring (61), a second elastic ring (63) is arranged inside the annular dustproof net (62), and an inner ring of the second elastic ring (63) is coaxially sleeved on the motor outer bin (211) and fixedly connected with the motor outer bin (211).
  9. 9. The solar attic fan according to claim 6, wherein the inner wall of the buckling cover plate (52) is coaxially provided with an annular groove, and annular hydrogel (521) is arranged in the annular groove.

Description

Solar attic fan Technical Field The application relates to the technical field of building fans, in particular to a solar attic fan. Background The prior attic fan is generally arranged on a roof, a gable or a ventilation device special for exhausting attic hot air, has the core functions of reducing attic temperature, reducing air conditioning load and prolonging service life of roof materials, and generally needs to be matched with a ventilation system of attic due to larger attic building area, when the attic fan is powered by solar energy in an auxiliary mode, the solar panel is generally exposed out of a roof for ensuring the sunlight irradiation efficiency of the attic fan, and the fan and the solar panel are generally integrated together for the purpose of miniaturization of the device. The prior art relates to a solar electric fan, which comprises a solar cell module and a fan module arranged at one end of a motor, wherein the fan module comprises a main shaft connected with the motor, a main fan blade connected with the main shaft and an auxiliary fan blade, the auxiliary fan blade is arranged at the axial position of the main shaft, and the main fan blade is arranged at the radial position of the main shaft so as to blow air around, obliquely below and under the fan. The above technology utilizes solar energy, but when the technology is applied to attic buildings, the photovoltaic efficiency of the solar panel is generally ensured because the solar panel is exposed outside a roof, and the photovoltaic conversion efficiency of the solar panel is low, the converted electric energy is reduced, and the energy conservation is poor due to the fact that the surface temperature of the solar panel is high and the temperature is too high. Disclosure of Invention The application provides a solar attic fan, which can solve the problems that the photovoltaic power generation efficiency is not high and the energy conservation is still not ideal when the traditional solar fan is used due to the fact that the internal temperature of the device is too high. The technical scheme of the application is as follows, a solar attic fan comprises: A housing assembly mounted on the attic roof and hollow in the interior; The fan device comprises a driving device and a fan blade assembly, wherein a lifting mounting frame assembly is arranged in the shell assembly, and the driving device is connected with the mounting frame assembly through a torque transmission piece; the solar power supply device is assembled at the other end of the driving device and is electrically connected with the driving device through a power supply module; the fan device is provided with a movable gap between the solar power supply device and the mounting frame assembly, the mounting frame assembly is used for sensing the temperature inside the housing assembly, when the temperature rises, the mounting frame assembly drives the driving device to rise and away from the fan blade assembly so as to reduce wind resistance, meanwhile, the movable gap is increased, and the flow of air flow passing through the solar power supply device and the driving device is increased so as to assist in heat dissipation. Through adopting above-mentioned scheme, if because fan unit work is unusual, lead to the inside temperature of shell subassembly to be too high, the mounting bracket subassembly can respond to unusual temperature, and drive device and rise, drive solar power supply unit simultaneously and rise, make drive device keep away from the flabellum subassembly, with the motor to the blocking of flabellum subassembly top air current, simultaneously because solar power supply unit rises, make the clearance increase, and then the flow when outside air current passes through solar power supply unit and drive arrangement, the heat of part solar power supply unit and drive arrangement itself can be taken away to the air current, improve solar power supply unit and drive arrangement heat dissipation ability, the area of device air inlet has been increased simultaneously, the resistance that receives when making flabellum subassembly under the circumstances of equal rotational speed, when the power generation efficiency of solar power supply unit promotes, the consumption that fan unit made reduces. In one embodiment of the present application, the mounting bracket assembly includes: The shell component is a columnar component, the fixing frames are arranged inside the shell component at intervals along the circumferential direction of the shell component, and a plurality of gaps which are arranged at intervals along the circumferential direction are formed between the fixing frames and the shell component; the temperature sensing assembly is arranged on one side of the fixing frame, which is away from the shell assembly, and is provided with a rectangular chute extending along the vertical direction, and the temperature sensing assembly is assembled in the rectangula