CN114151369B

CN114151369B - Hoisting fan and adjusting method

Info

Publication number: CN114151369B
Application number: CN202111506073.4A
Authority: CN
Inventors: 刘纯; 潘柏江; 乐文辉; 周子涵; 肖涛
Original assignee: Midea Intelligent Lighting and Controls Technology Co Ltd
Current assignee: Midea Intelligent Lighting and Controls Technology Co Ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2023-09-22
Anticipated expiration: 2041-12-10
Also published as: CN114151369A

Abstract

The present disclosure relates to a lifting fan and an adjusting method, the lifting fan includes a fixing frame, a lifting structure, a fan assembly, a driving device, a detector and a controller; the top end of the lifting structure is relatively fixed with the fixing frame, and the bottom end of the lifting structure is relatively fixed with the fan assembly; the driving device and the detector are electrically connected with the controller, and the driving structure is used for driving the lifting structure to shorten along the direction approaching to the fixing frame or to lengthen along the direction departing from the fixing frame so as to adjust the vertical distance between the fan assembly and the preset position; the detector is arranged on the fan assembly, the detector is used for detecting the vertical distance between the fan assembly and the preset position, and the controller is used for controlling the fan assembly to rotate at a preset speed according to the vertical distance detected by the detector. The lifting fan provided by the disclosure can enable a user to freely adjust the vertical distance between the fan assembly and the ceiling according to the use environment or the use requirement, and is convenient to adjust and good in applicability.

Description

Hoisting fan and adjusting method

Technical Field

The disclosure relates to the technical field of illumination, in particular to a hoisting fan and an adjusting method.

Background

The hoisting fan is usually arranged on the indoor ceiling, so that the air flow can be regulated, the air circulation is promoted, and the indoor comfort and ventilation are greatly improved.

The hoist fan generally includes a fixing frame for fixing to a ceiling, on which a boom for suspending the fan assembly is provided, however, the boom of the hoist fan is a fixed boom, that is, after the hoist fan is installed, the distance between the fan assembly of the hoist fan and the ceiling is constant, and the height of the fan assembly cannot be adjusted according to the use environment or the use requirement.

Disclosure of Invention

In order to solve the technical problems described above or at least partially solve the technical problems described above, the present disclosure provides a lifting fan and an adjusting method.

To achieve the above object, in a first aspect, the present disclosure provides a hoist fan, including a fixing frame for fixing at a preset position, a lifting structure, a fan assembly, a driving device, a detector, and a controller;

the top end of the lifting structure is relatively fixed with the fixing frame, and the bottom end of the lifting structure is relatively fixed with the fan assembly;

the driving device and the detector are electrically connected with the controller, and the driving device is used for driving the lifting structure to shorten along the direction approaching to the fixing frame or lengthen along the direction departing from the fixing frame so as to adjust the vertical distance between the fan assembly and the preset position;

the detector is arranged on the fan assembly, the detector is used for detecting the vertical distance between the fan assembly and the preset position, and the controller is used for controlling the fan assembly to rotate at a preset speed according to the vertical distance detected by the detector.

Further, the lifting structure comprises a telescopic rod, the top end of the telescopic rod is relatively fixed with the fixing frame, and the bottom end of the telescopic rod is relatively fixed with the stator of the fan assembly.

Further, the telescopic rod at least comprises two sub-sleeve rods, and two adjacent sub-sleeve rods are sleeved and connected and can slide relatively.

Further, the outer diameter of the lower sub rod is larger than the outer diameter of the upper sub rod in a direction from the top end of the telescopic rod to the bottom end of the telescopic rod.

Further, the part of the telescopic rod matched with the stator is matched with the shape of the stator, and the radial section of at least the part of the telescopic rod matched with the stator is of a non-circular structure.

Further, the driving device comprises a first motor, a winding structure and a traction rope; the winding structure is arranged in the fixing frame and is in transmission connection with an output shaft of the first motor, one end of the traction rope is fixed on the winding structure, and the other end of the traction rope is fixed on a stator of the fan assembly.

Further, the lifting structure is provided with a hollow cavity with two open ends, and the other end of the traction rope penetrates through the hollow cavity of the lifting structure and is connected with the stator of the fan assembly in an opposite mode.

Further, the fan assembly comprises a rotating motor, a rotating turntable and at least three fan blade structures; the bottom of the lifting structure is fixed on the stator of the rotating motor, the rotating turntable is surrounded on the rotor of the rotating motor, and at least three fan blade structures are fixed on the side wall of the rotating turntable along the circumferential direction of the rotating turntable.

Further, the rotary turntable is provided with a containing groove which is sunken downwards and used for containing the fixing frame, and when the lifting structure is shortened along the direction approaching to the fixing frame, at least part of the fixing frame is located in the containing groove.

Further, the detector is an infrared sensor or a distance sensor.

Further, the hoisting fan further comprises a lighting structure; the illumination structure comprises a chassis, a lamp shade and a light source module, wherein the chassis is fixed on a stator of the fan assembly, the lamp shade is detachably connected to one end of the chassis far away from the fan assembly, the lamp shade and the chassis enclose to form a containing cavity for containing the light source module, the light source module is electrically connected with the controller, and the controller is further used for controlling the working state of the light source module.

Further, an annular cover is arranged on the outer edge of the chassis, the annular cover extends along the direction close to the fixing frame, and the annular cover and the chassis enclose to form a containing groove for containing the fan assembly and the fan assembly.

In a second aspect, the present disclosure further provides a method for adjusting a lifting fan as described above, the method comprising:

the lifting structure is driven to shorten along the direction approaching to the fixing frame or to extend along the direction separating from the fixing frame so as to adjust the vertical distance between the fan assembly and the preset position where the fixing frame is positioned;

detecting the vertical distance between the fan assembly and the preset position where the fixing frame is located;

and controlling the fan assembly to rotate at a preset speed according to the detected vertical distance.

Compared with the prior art, the technical scheme provided by the embodiment of the disclosure has the following advantages:

according to the lifting fan and the adjusting method, the lifting fan is fixedly arranged on a fixing frame, a lifting structure, a fan assembly, a driving device, a detector and a controller which are arranged on a preset position such as a ceiling, wherein the top end of the lifting structure is relatively fixed with the fixing frame, the bottom end of the lifting structure is relatively fixed with the fan assembly, and the driving device and the detector are electrically connected with the controller. When the fan assembly lifting device is specifically used, the driving device can drive the lifting structure to shorten along the direction close to the fixing frame so as to drive the fan assembly to rise, or extend along the direction far away from the fixing frame so as to drive the fan assembly to descend, so that the vertical distance between the lifting fan and the ceiling can be adjusted through the telescopic adjustable fan assembly of the lifting structure, that is, the vertical distance between the lifting fan and the ceiling can be adjusted, and therefore a user can freely adjust the vertical distance between the fan assembly and the ceiling according to the use environment or the use requirement, and the fan assembly lifting device is convenient to adjust and good in applicability. In addition, owing to be provided with the detector on the fan subassembly, this detector is used for detecting the vertical distance between fan subassembly and the ceiling, and the controller can be rotatory at preset speed according to the vertical distance control fan subassembly that the detector detected, and then makes the hoist and mount fan that this disclosure provided on the basis of vertical distance adjustable between with the ceiling, can also make the fan subassembly rotatory at corresponding preset speed in corresponding vertical distance department, blows off suitable amount of wind, and the suitability is good.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is an assembly view of the overall structure of a lifting fan according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a lifting fan according to an embodiment of the present disclosure;

FIG. 3 is a schematic view illustrating a first adjustment state of a lifting fan according to an embodiment of the disclosure;

FIG. 4 is a schematic view of a second adjustment state of a lifting fan according to an embodiment of the disclosure;

FIG. 5 is a schematic view illustrating a third adjustment state of a lifting fan according to an embodiment of the disclosure;

FIG. 6 is a schematic view of a structure of a lifting fan according to an embodiment of the disclosure during a cleaning drop;

FIG. 7 is an exploded view of a fan blade structure of a ceiling fan according to an embodiment of the present disclosure;

FIG. 8 is a schematic cross-sectional view of a lifting structure for lifting a fan according to an embodiment of the disclosure;

fig. 9 is an assembly schematic diagram of a lifting structure of a lifting fan and a first view angle of a fixing frame according to an embodiment of the disclosure;

fig. 10 is an assembly schematic diagram of a lifting structure of a lifting fan and a second view angle of a fixing frame according to an embodiment of the disclosure

Fig. 11 is a process flow diagram of a method for adjusting a lifting fan according to an embodiment of the disclosure.

Wherein, 1, fixing frame; 11. a power supply device; 12. fixing a cover plate; 13. a fixed structure; 2. a lifting structure; 21. a telescopic rod; 211. a sleeve rod; 22. a power take-off device; 3. a fan assembly; 31. a rotating electric machine; 32. rotating the turntable; 33. a fan blade structure; 331. a fan blade; 332. rotating the limiting chassis; 333. a bearing; 334. a torsion spring; 335. a fixing screw; 336. a bolt assembly; 4. a driving device; 41. a first motor; 42. a winding structure; 43. a traction rope; 5. a controller; 6. a receiving groove; 7. an illumination structure; 71. a chassis; 72. a lamp shade; 73. a light source module; 74. an annular cover; 8. a storage groove; 9. a hanging structure; 91. a second motor; 92. a crank; 93. a push rod.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it will be apparent that the embodiments in the specification are only some, but not all, embodiments of the disclosure.

Referring to fig. 1 to 10, the present embodiment provides a hoist fan including a fixing frame 1 for fixing at a preset position, a lifting structure 2, a fan assembly 3, a driving device 4, a detector, and a controller 5.

It is easy to understand by those skilled in the art that the hoisting fan can be installed in any suitable place such as home, office meeting place, factory workshop, etc., and in the specific assembly, the hoisting fan is installed at a preset position of the place, such as a ceiling or the surface of the indoor top by the fixing frame 1, so that the assembly is convenient.

In this embodiment, the top end of the lifting structure 2 is relatively fixed with the fixing frame 1, the bottom end of the lifting structure 2 is relatively fixed with the fan assembly 3, the driving device 4 and the detector are electrically connected with the controller 5, and the driving device 4 is used for driving the lifting structure 2 to shorten along the direction towards the fixing frame 1 or to elongate along the direction away from the fixing frame 1 so as to lift the fan assembly 3 to a preset height, i.e. lift the lifting fan to the preset height.

It will be appreciated that the fixing frame 1 may be any suitable structure, has high strength, can suspend the lifting structure 2, the fan assembly 3, other parts of the detector, etc. for suspending the fan, has excellent bearing performance, and can be conveniently fixed on the ceiling through fastening members such as expansion screws, rivets, etc., without being excessively limited.

Since the fixing frame 1 is usually installed and fixed on the ceiling, the ceiling is defined as being located above and the indoor floor opposite to the ceiling is defined as being located below, based on which the elevation structure 2 is shortened in a direction toward the fixing frame 1, i.e., the elevation structure 2 is contracted upward, so that the vertical distance between the fan assembly 3 and the preset position can be adjusted; the lifting structure 2 is elongated in a direction away from the fixing frame 1, that is, the lifting structure 2 is elongated downwards, so that the vertical distance between the fan assembly 3 and the preset position can be adjusted, and the fan assembly is flexible to adjust and convenient to use.

Generally, for the sake of beauty, a fixing cover plate 12 is further enclosed on the periphery of the fixing frame 1, and the fixing cover plate 12 can shield the structure of the fixing frame 1 and part of the internal structure of the ceiling fan assembly, so that the ceiling fan assembly is good in beauty and strong in decoration.

In this embodiment, the detector is disposed on the fan assembly 3, that is, the detector is relatively fixed to the fan assembly 3, the detector is used for detecting a vertical distance between the fan assembly 3 and a preset position, and the controller 5 is used for controlling the fan assembly 3 to rotate at a preset speed according to the vertical distance detected by the detector.

It will be appreciated that the vertical distance between the fan assembly 3 and the predetermined position, i.e. the vertical distance between the horizontal plane at which the rotor of the fan assembly 3 is located and the predetermined position, e.g. the ceiling, where the mount 1 is mounted.

In particular, the detector may send a signal corresponding to the detected vertical distance to the controller 5, and the controller 5 controls the fan assembly 3 to rotate at a matched preset speed according to the signal sent by the detector. Of course, the controller 5 may also actively acquire a signal corresponding to the vertical distance detected by the detector, and further control the fan assembly 3 to rotate at a matched preset speed according to the acquired signal. Can be arbitrarily selected according to specific use conditions, and is not excessively limited.

In specific implementation, the controller 5 may be disposed on any suitable component such as the fixing frame 1 of the lifting fan, the fan assembly 3, or the like, and of course, the controller 5 may also be an external remote controller, where the remote controller may be in communication connection with the lifting fan, and may be optionally selected according to specific use environments, where no excessive limitation is made.

In this embodiment, the vertical distance between the fan assembly 3 and the ceiling is adjustable under the influence of the lifting structure 2. In the adjustable range, the vertical distance between the fan assembly 3 and the ceiling is divided into multiple stages, such as a primary distance, a secondary distance and a tertiary distance, and corresponding initial preset rotating speeds N1, N2 and N3 are stored in the controller 5 in advance in the vertical distances corresponding to the primary distance, the secondary distance and the tertiary distance.

For example, when the vertical distance between the fan assembly 3 and the ceiling is raised and lowered to within the first distance, the fan assembly 3 is operated at a default preset rotational speed N1; when the vertical distance between the fan assembly 3 and the ceiling is up and down to the secondary distance, the fan assembly 3 is operated at a default preset rotation speed N2; when the vertical distance between the fan assembly 3 and the ceiling is raised and lowered to within three steps, the fan assembly 3 is operated at a default preset rotational speed N3.

When the fan assembly 3 is lifted to a preset height, the fan assembly is used for increasing and reducing the rotating speed of the fan in the control interface of the controller 5 according to actual use requirements, so that the default preset rotating speed is changed, and the fan assembly 3 rotates at the user-defined rotating speed to obtain more comfortable air quantity.

In this embodiment, the lifting structure 2 can stop at any suitable position within the telescopic range thereof, correspondingly, the fan assembly 3 can be lifted to any suitable position to stop, and the detector detects the real-time vertical distance between the fan assembly 3 and the ceiling, so that the fan assembly 3 can rotate at a speed matched with the real-time vertical distance, which is beneficial to increasing the adjustable range of the air quantity, and the applicability is good.

The detector may be an infrared sensor, a distance sensor, a position sensor, or the like.

Through the above technical scheme, according to the lifting fan and the adjusting method provided by the embodiment, the lifting fan is provided with the fixing frame 1, the lifting structure 2, the fan assembly 3, the driving device 4, the detector and the controller 5 which are fixedly installed on a preset position such as a ceiling, wherein the top end of the lifting structure 2 is relatively fixed with the fixing frame 1, the bottom end of the lifting structure 2 is relatively fixed with the fan assembly 3, and the driving device 4 and the detector are electrically connected with the controller 5. When the fan assembly lifting device is specifically used, the driving device 4 can drive the lifting structure 2 to shorten along the direction approaching the fixing frame 1 so as to drive the fan assembly 3 to ascend, or extend along the direction far away from the fixing frame 1 so as to drive the fan assembly 3 to descend, so that the vertical distance between the lifting fan and the ceiling can be adjusted through the telescopic adjustable fan assembly 3 of the lifting structure 2, that is, the vertical distance between the lifting fan and the ceiling can be adjusted, and therefore a user can freely adjust the vertical distance between the fan assembly 3 and the ceiling according to the use environment or the use requirement, and the fan assembly lifting device is convenient to adjust and good in applicability. In addition, owing to be provided with the detector on the fan subassembly 3, this detector is used for detecting the vertical distance between fan subassembly 3 and the ceiling, and the controller 5 can be rotatory at preset speed according to the vertical distance control fan subassembly 3 that the detector detected, and then makes the hoist and mount fan that this disclosure provided on the basis of vertical distance adjustable between with the ceiling, can also make fan subassembly 3 rotatory at corresponding preset speed in corresponding vertical distance department, blows off suitable amount of wind, and the suitability is good.

In this embodiment, the lifting structure 2 may be any suitable structure, and may be retracted upward or extended downward under the action of the driving device 4, which is not limited in this case.

Illustratively, referring to fig. 2 and 8, the elevating structure 2 includes a telescopic rod 21, one end of the telescopic rod 21 is relatively fixed to the fixing frame 1, and the other end of the telescopic rod 21 is relatively fixed to the stator of the fan assembly 3.

The telescopic rod 21 at least comprises two sub-sleeve rods 211, that is, the telescopic rod 21 is composed of a plurality of sub-sleeve rods 211, and the two adjacent sub-sleeve rods 211 are sleeved and connected and can slide relatively.

Further, when the telescopic rod 21 includes a plurality of the sub-loop bars 211, referring to fig. 8, in a direction from the top end of the telescopic rod 21 to the bottom end of the telescopic rod 21, that is, in a direction from top to bottom, the outer diameter of the sub-loop bar 211 located below is larger than the outer diameter of the sub-loop bar 211 located above, and the structure is stable, the reliability is high, and the telescopic is convenient.

In this embodiment, when the fan assembly 3 rotates, in order to avoid the rotation of the fan assembly 3 from disturbing the telescopic rod 21, the shape of the part of the telescopic rod 21 matching with the stator of the fan assembly 3 is matched with the shape of the stator, and the radial cross section of at least the part of the telescopic rod 21 matching with the stator of the fan assembly 3 is in a non-circular structure, that is, the outer wall of at least the part of the telescopic rod 21 matching with the stator of the fan assembly 3 is set to be in a non-circular structure, so that when the fan assembly 3 rotates, the telescopic rod 21 and the stator of the fan assembly 3 are relatively fixed, and the telescopic rod 21 cannot rotate along with the rotation of the fan assembly 3 under the matching of the non-circular structure, that is, when the rotor of the fan assembly 3 rotates, the telescopic rod 21 does not rotate along the circumferential direction thereof, thereby ensuring the stability of the lifting fan provided by this embodiment.

Illustratively, the telescopic rod 21 may be a cylindrical rod with a triangular, square, pentagonal, quincuncial, etc. radial cross-section, and may be arbitrarily selected according to the specific use environment, without being excessively limited.

According to some embodiments, the lifting structure 2 may also be any suitable automatic telescopic rod 21, such as an electric push rod 93.

Further, the driving device 4 includes a first motor 41, a winding structure 42 and a traction rope 43, the winding structure 42 is disposed in the fixing frame 1 and is in transmission connection with an output shaft of the first motor 41, one end of the traction rope 43 is fixed on the winding structure 42, and the other end of the traction rope 43 is fixed on a stator of the fan assembly 3.

It will be appreciated that the first motor 41 is configured to drive the winding structure 42 to rotate, so as to retract the traction rope 43 upwards and drive the telescopic rod 21 to shorten in a direction towards the fixing frame 1, or to release the traction rope 43 downwards and drive the telescopic rod 21 to extend in a direction away from the fixing frame 1, so as to lift the fan assembly 3 to a preset height.

In particular, the winding structure 42 is any suitable structure such as a wire spool or a reel, where a rotating shaft of the wire spool or the reel is in transmission connection with an output shaft of the first motor 41, and the first motor 41 can drive the wire spool or the reel to rotate when rotating, so that the use is convenient.

The traction rope 43 may be made of any suitable material, and has good weather resistance and good bearing performance, and is not limited herein, and for example, the traction rope 43 may be a steel wire rope, a nylon rope, a braided rope, a dinima rope, or the like.

In this embodiment, the number of the traction ropes 43 may be one or a plurality of. When the number of the hauling ropes 43 is plural, the plural hauling ropes 43 are parallel to the boom, the plural hauling ropes 43 are disposed at intervals along the circumferential direction of the rotating electric machine 31, and the lower ends of the hauling ropes 43 are fixed to the stator of the rotating electric machine 31, for example, the hauling ropes 43 may be three.

Further, the lifting structure 2 is provided with hollow cavities with two open ends, namely, the lifting structure 2 is provided with a hollow cavity, the other end, namely the lower end, of the traction rope 43 penetrates through the hollow cavity of the lifting structure 2 and is connected with the stator of the fan assembly 3 relatively, so that the gravity center is more stable, the traction rope 43 can be hidden in the lifting structure 2, the attractive appearance is good, the decoration and beautification performances of the lifting fan provided by the embodiment are improved to a certain extent, and the user experience is good.

It can be appreciated that the lifting structure 2 is a hollow structure, so that the weight can be reduced, and the service life of the lifting fan provided by the embodiment can be prolonged to a certain extent.

Further, referring to fig. 2, the fan assembly 3 includes a rotary motor 31, a rotary dial 32, and at least three blade structures 33; the other end of the lifting structure 2 is fixed on a stator of the rotating motor 31, the rotating disc 32 is surrounded on a rotor of the rotating motor 31, and at least three fan blade structures 33 are fixed on a side wall of the rotating disc 32 along the circumferential direction of the rotating disc 32.

The fan blade structure 33 specifically includes a fan blade 331 and a connection structure for rotationally fixing the fan blade 331 on the rotary disc 32, where the connection structure includes a rotation limiting chassis 332, a bearing 333, a torsion spring 334, a fixing screw 335 and a bolt component 336, the connection structure is installed on the rotary disc 32, the fan blade 331 and the connection structure are fixedly connected through the bolt component 336, the rotation limiting chassis 332 is fixed on the rotary disc 32, an outer ring of the bearing 333 is fixedly assembled with the rotation limiting chassis 332, an inner ring is assembled with the bolt component 336, one end of the torsion spring 334 is fixed on the fan blade 331, and one end is fixed on the rotary disc 32.

In particular, a hollow cavity matched with the lifting structure 2 may be disposed in the rotating shaft of the rotating motor 31, and the top of the hollow cavity is open and matched with the lifting structure 2, and the bottom end of the lifting structure 2 is slidably sleeved in the hollow cavity of the rotating shaft. When the fan function is not used, the driving device 4 drives the rotating motor 31 to move upwards, the lifting structure 2 gradually enters the hollow cavity so as to be hidden in the hollow cavity, and at the moment, the lifting fan provided by the embodiment can be used as a ceiling lamp, and the occupied layer is small in height and good in aesthetic property; when the fan function is needed, the driving device drives the rotating motor 31 to move downwards, the lifting structure 2 gradually stretches out of the hollow cavity, the structure is simple, the adjustment is convenient, the user experience is good, the use mode of the fan lamp provided by the embodiment is increased to a certain extent, and the practicability is high.

Further, referring to fig. 6, the rotary table 32 has a downwardly concave accommodating groove 6 for accommodating the fixing frame 1, so that when the lifting structure 2 is shortened in a direction approaching to the fixing frame 1, at least part of the fixing frame 1 is positioned in the accommodating groove 6, so that when the fan function is not used, not only the lifting structure 2 can be hidden in the hollow cavity of the rotary motor 31, but also the fixing frame 1 fixedly connected with the ceiling can be hidden in the accommodating groove 6 of the rotary table 32, that is, the overall occupied floor height of the fan lamp is saved, the aesthetic property is also good, the decoration is strong, and the user experience is good.

Further, the receiving groove 6 is located at the geometric center of the rotary table 32, that is, the receiving groove 6 is coaxial with the rotary table 32, and is structurally stable.

It will be appreciated that the rotary turntable 32 is further provided with an avoidance opening for avoiding the lifting structure 2, and the avoidance opening is also located at the geometric center of the rotary turntable 32.

In specific implementation, referring to fig. 9 and 10, a power supply device 11 is further disposed in the fixing frame 1, and a power taking device 22 matched with the power supply device 11 is disposed at the top end of the lifting structure 2, wherein fire, zero and ground are respectively disposed on the power supply device 11 and are used for realizing electrical connection with mains supply, and fire, zero and ground are also disposed on the power taking device 22 and are used for realizing electrical connection with fans, lamps and the like carried on the lifting structure 2.

In this embodiment, the power feeding device 11 and the power taking device 22 are physically and electrically connected, that is, the two devices are assembled to be electrically connected, and separated to be electrically disconnected, so that the power feeding device is simple in structure and convenient to use.

It will be appreciated that after a period of use, the fan blades 331 of the fan assembly 3 are easy to accumulate dust, for convenience of power-off cleaning, referring to fig. 2, 9 and 10, a hanging structure 9 is further provided in the fixing frame 1, the hanging structure 9 includes a second motor 91, a crank 92 and a push rod 93 mounted on the crank 92, wherein the second motor 91 is electrically connected with the controller 5, one end of the crank 92 is in transmission connection with the second motor 91, the other end of the crank 92 is relatively fixed with the push rod 93, and one end of the push rod 93 far away from the crank 92 extends into the fixing structure 13 in the fixing frame 1 and is slidably connected with the fixing structure 13.

During specific cleaning, the second motor 91 drives the crank 92 to drive the push rod 93 to slide out of the fixing structure 13, so that the lifting structure 2 is separated from the fixing frame 1, and then the first motor 41 drives the lifting structure 2 to extend along a direction away from the fixing frame 1, so that the fan assembly 3 is lowered to a preset height, and a user can clean dust deposit conveniently. When the lifting structure 2 is extended to the longest length, the fan assembly 3 is located at the lowest height, and at this time, because the whole lifting structure 2 is completely extended and stressed up and down, the traction rope 43 can be unstressed, the first motor 41 can be powered off, so that the continuous working time of the first motor 41 can be relieved, the service life of the first motor 41 can be prolonged, and energy sources can be saved.

It should be noted that, when the first motor 41 drives the lifting structure 2 to descend along the direction away from the fixing frame 1, the power taking device 22 at the top end of the lifting structure 2 is separated from the power feeding device 11 in the fixing frame 1, so that the lifting structure is electrically disconnected, and the lifting structure is convenient for a user to break power for cleaning.

When the cleaning is completed, the first motor 41 rotates reversely, and then the lifting structure 2 is lifted up along the direction approaching to the fixing frame 1 and is fixedly connected with the power taking device 22, and at the moment, the second motor 91 rotates reversely to drive the crank 92 to drive the push rod 93 to slide into the fixing structure 13, so that the lifting structure 2 is locked by hanging with the fixing frame 1 to realize electric connection.

Further, referring to fig. 2, the lifting fan further includes a lighting structure 7, the lighting structure 7 includes a chassis 71, a lampshade 72 and a light source module 73, the chassis 71 is fixed on the stator of the fan assembly 3, the lampshade 72 is detachably connected to one end of the chassis 71 far away from the fan assembly 3, the lampshade 72 and the chassis 71 enclose to form a containing cavity for containing the light source module 73, the light source module 73 is electrically connected with the controller 5, and the controller 5 is further used for controlling the working state of the light source module 73.

In this embodiment, be provided with annular cover 74 on the outer fringe of chassis 71, annular cover 74 extends along being close to the direction of mount 1, and annular cover 74 encloses with chassis 71 and closes and form the storage tank 8 that is used for accomodating fan assembly 3, when not using the fan function, not only can hide lifting structure 2 in the holding chamber of rotating electrical machines 31, can also hide mount 1 and rotating electrical machines 31 in storage tank 8, i.e. hide in storage tank 8 the inner structure shielding of fan lamp, and the aesthetic property is good.

In particular, the annular cover 74 may be integrally formed with the chassis 71, for example, the outer edge of the chassis 71 is bent upwards along a direction approaching to the fixing frame 1 to form the annular cover 74, and of course, the annular cover 74 may also be connected with the chassis 71 by structural adhesive bonding or by adopting a detachable connection manner, and may be optionally selected according to a specific use environment, which is not limited in any way.

In addition, the controller 5 may control the on and off of the light source module 73.

It will be appreciated that, when the hollow cavity is disposed in the rotation shaft of the rotating motor 31, the accommodating groove 6 may be disposed on the rotating turntable 32, and the accommodating groove 8 may be disposed on the chassis 71, that is, when the fan function is not used, the lifting structure 2 may be hidden and accommodated in the hollow cavity of the rotating motor 31, the fixing frame 1 may be hidden and accommodated in the accommodating groove 6, and meanwhile, the fixing frame 1 and the rotating motor 31 may be hidden and accommodated in the accommodating groove 8, so that, on one hand, the occupied space of the fan lamp may be reduced, on the other hand, the aesthetic property of the fan lamp may be enhanced, the decoration is strong, and the user experience is good.

Example two

Referring to fig. 11, the present embodiment further provides a method for adjusting a lifting fan as described above, the method comprising:

s101, driving a lifting structure to shorten along a direction approaching to a fixing frame or to extend along a direction departing from the fixing frame so as to adjust the vertical distance between a fan assembly and a preset position where the fixing frame is located;

s102, detecting the vertical distance between the fan assembly and the preset position where the fixing frame is located;

and S103, controlling the fan assembly to rotate at a preset speed according to the detected vertical distance.

In specific implementation, the height between the fan assembly and the ceiling can be divided into a first-level distance, a second-level distance and a third-level distance, and when the vertical distance detected by the controller is the first-level distance, the controller controls the fan assembly to rotate at a first initial preset rotating speed N1 so as to blow out a first preset air quantity; when the vertical distance detected by the controller is the secondary distance, the controller controls the fan assembly to rotate at a second initial preset rotating speed N2, so that a second preset air quantity is blown out; when the vertical distance detected by the controller is three-level distance, the controller controls the fan assembly to rotate at a third initial preset rotating speed N3, so that a third preset air quantity is blown out.

When the fan assembly is lifted to a preset height, the rotating speed of the fan can be increased and reduced in the control interface of the controller according to actual use requirements, so that the default preset rotating speed is changed, the fan assembly is enabled to rotate at the user-defined rotating speed to obtain more comfortable air quantity, the flexibility is good, the air quantity adjusting range is large, and the applicability is good.

It can be understood that the step S101 and the step S102 are not sequentially separated, that is, when the step S101 is specifically performed, the step S101 may be performed first, the vertical distance between the fan assembly and the preset position where the fixing frame is located is adjusted, that is, the step S102 is performed after the fan assembly is lifted to the preset position; of course, step S102 may be performed first to make the fan assembly rotate to blow out the air volume, and then step S101 may be performed to lift the fan assembly to a preset position, which may be arbitrarily selected according to a specific use environment, without any limitation.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The lifting fan is characterized by comprising a fixing frame (1), a lifting structure (2), a fan assembly (3), a driving device (4), a detector and a controller (5), wherein the fixing frame is used for being fixed at a preset position;

the top end of the lifting structure (2) is relatively fixed with the fixing frame (1), and the bottom end of the lifting structure (2) is relatively fixed with the fan assembly (3);

the driving device (4) and the detector are electrically connected with the controller (5), and the driving device (4) is used for driving the lifting structure (2) to shorten along the direction approaching to the fixed frame (1) or to lengthen along the direction separating from the fixed frame (1) so as to adjust the vertical distance between the fan assembly (3) and the preset position;

the detector is arranged on the fan assembly (3), the detector is used for detecting the vertical distance between the fan assembly (3) and the preset position, and the controller (5) is used for controlling the fan assembly (3) to rotate at a preset speed according to the vertical distance detected by the detector;

the fan assembly (3) comprises a rotary motor (31), a rotary turntable (32) and at least three fan blade structures (33); the bottom end of the lifting structure (2) is fixed on a stator of the rotating motor (31), the rotating turntable (32) is arranged on a rotor of the rotating motor (31) in a surrounding mode, and at least three fan blade structures (33) are fixed on the side wall of the rotating turntable (32) along the circumferential direction of the rotating turntable (32);

the rotary turntable (32) is provided with a containing groove (6) which is concave downwards and used for containing the fixing frame (1), and when the lifting structure (2) is shortened along the direction approaching to the fixing frame (1), at least part of the fixing frame (1) is located in the containing groove (6).

2. Hoisting fan according to claim 1, characterized in that the lifting structure (2) comprises a telescopic rod (21), the top end of the telescopic rod (21) is relatively fixed with the fixing frame (1), and the bottom end of the telescopic rod (21) is relatively fixed with the stator of the fan assembly (3).

3. Hoisting fan according to claim 2, characterized in that the telescopic rod (21) comprises at least two sub-sleeve rods (211), wherein two adjacent sub-sleeve rods (211) are sleeved and connected and can slide relatively.

4. A hoisting fan as claimed in claim 3, characterized in that the outer diameter of the sub-rod (211) located below is larger than the outer diameter of the sub-rod (211) located above in the direction along the top end of the telescopic rod (21) to the bottom end of the telescopic rod (21).

5. Hoisting fan according to claim 2, characterized in that the part of the telescopic rod (21) that cooperates with the stator matches the shape of the stator and that the radial cross section of at least the part of the telescopic rod (21) that cooperates with the stator is of non-circular construction.

6. Hoisting fan according to claim 1, characterized in that the driving means (4) comprise a first motor (41), a winding structure (42) and a traction rope (43);

the winding structure (42) is arranged in the fixing frame (1) and is in transmission connection with an output shaft of the first motor (41), one end of the traction rope (43) is fixed on the winding structure (42), and the other end of the traction rope (43) is fixed on a stator of the fan assembly (3).

7. Hoisting fan according to claim 6, characterized in that the lifting structure (2) has a hollow cavity with two open ends, the other end of the hauling rope (43) being passed through the hollow cavity of the lifting structure (2) and being connected opposite to the stator of the fan assembly (3).

8. The lifting fan of claim 1, wherein the detector is an infrared sensor or a distance sensor.

9. -ceiling fan according to any of the claims 1 to 8, characterized in that it also comprises a lighting structure (7);

the illumination structure (7) comprises a chassis (71), a lampshade (72) and a light source module (73), wherein the chassis (71) is fixed on a stator of the fan assembly (3), the lampshade (72) is detachably connected to one end, far away from the fan assembly (3), of the chassis (71), the lampshade (72) and the chassis (71) enclose to form a containing cavity for containing the light source module (73), the light source module (73) is electrically connected with the controller (5), and the controller (5) is further used for controlling the working state of the light source module (73).

10. Hoisting fan according to claim 9, characterized in that an annular cover (74) is provided on the outer edge of the chassis (71), the annular cover (74) extending in a direction towards the holder (1), the annular cover (74) and the chassis (71) enclosing a receiving slot (8) for receiving the fan assembly (3).

11. A method of adjusting a ceiling fan according to any one of claims 1 to 10, comprising: