CN107100872B - Driving assembly of oscillating fan, oscillating fan and method for adjusting oscillating position - Google Patents
Driving assembly of oscillating fan, oscillating fan and method for adjusting oscillating position Download PDFInfo
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- CN107100872B CN107100872B CN201710408629.3A CN201710408629A CN107100872B CN 107100872 B CN107100872 B CN 107100872B CN 201710408629 A CN201710408629 A CN 201710408629A CN 107100872 B CN107100872 B CN 107100872B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims abstract description 30
- 241000883990 Flabellum Species 0.000 claims 1
- 230000033001 locomotion Effects 0.000 description 9
- 238000013461 design Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004091 panning Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/10—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air
- F04D25/105—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit having provisions for automatically changing direction of output air by changing rotor axis direction, e.g. oscillating fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/007—Conjoint control of two or more different functions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to the field of driving a fan with a shaking head, and more particularly, to a driving assembly for a shaking head fan, and a method for adjusting a shaking head position. A first driving gear of an up-and-down oscillating driving mechanism of a driving assembly of the oscillating fan is sleeved on a power output shaft of a first driving motor, the first driving gear is meshed with a first transmission gear, and the first transmission gear is in a vertical direction; the first driving motor is fixed on the first frame, and the first frame is fixedly connected with the fan blade driving structure. The adjusting method comprises the following steps: in the up-down shaking mode, determining the distances between the upper position receiving element and the lower position receiving element and the position transmitting element; and generating a signal based on the distance; and judging the position of the upper and lower head shaking mechanism according to the signals, and adjusting the angle of the upper and lower head shaking by adjusting the rotation time and the steering of the first driving motor according to the position. The invention realizes the effect of adjusting the angle in the vertical direction and the left-right direction and increasing the shaking angle.
Description
Technical Field
The present invention relates to the field of driving a fan with a shaking head, and more particularly, to a driving assembly for a shaking head fan, and a method for adjusting a shaking head position.
Background
The existing common electric fan head-shaking mechanism generally only provides the left and right head-shaking movement of the fan head, the pitching movement can only manually move the fan head, the gearbox of the electric fan head-shaking mechanism only provides a group of speed reduction transmission, and the single left and right head-shaking is realized by the four-bar mechanism. The existing mechanism capable of providing composite shaking heads mostly adopts two synchronous motors to drive two groups of four-bar mechanisms to shake heads up and down and shake heads left and right respectively, and the mechanism has the defects that the shaking head angle is not adjustable and is very small.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to provide a driving assembly of a head shaking fan and the head shaking fan, and solves the problem that the existing head shaking fan is poor in head shaking flexibility.
(II) technical scheme
In order to solve the technical problem, the invention provides a driving assembly of a head shaking fan, which comprises a fan blade driving structure and a machine head driving structure, wherein the machine head driving structure comprises: an up-and-down shaking driving mechanism; wherein,
the up-down shaking driving mechanism comprises: the device comprises a first frame, a first driving motor, a first driving gear, a first transmission gear, an upper position receiving element, a lower position receiving element and a position emitting element; the first driving gear is sleeved on a power output shaft of the first driving motor, the first driving gear is meshed with the first transmission gear, and the first transmission gear is in a vertical direction; the first driving motor is fixed on the first frame, and the first frame is fixedly connected with the fan blade driving structure;
the upper position receiving element is fixed to an upper portion of the first frame, and the lower position receiving element is fixed to a lower portion of the first frame;
the position transmitting element is fixedly arranged on the first transmission gear.
In some embodiments, preferably, the up-and-down swing driving mechanism further includes: a horizontal rotating shaft; the first transmission gear is fixedly connected with the horizontal rotating shaft, and the horizontal rotating shaft is arranged on the first frame through a bearing;
the first frame is fixedly connected with a second frame of the horizontal shaking driving mechanism through the horizontal rotating shaft.
In some embodiments, it is preferable that the upper position receiving element is an upper hall element wiring board; the lower position receiving element is a lower Hall element circuit board; the position emitting element is a magnet.
In some embodiments, preferably, when the hall element on the lower hall element circuit board is opposite to the magnet, the position is the lowest position of the fan blade, and the fan blade blows air downwards;
when the Hall element on the upper Hall element circuit board is opposite to the magnet, the position is the highest position of the fan blade, and the fan blade blows air to the upper surface.
The invention also provides a head shaking fan which comprises the driving assembly.
The invention also provides a method for adjusting the shaking head position by using the driving assembly, which comprises the following steps:
in the up-down shaking mode, determining the distances between the upper position receiving element and the lower position receiving element and the position transmitting element;
and generating a signal based on the distance;
and judging the position of the up-and-down head shaking mechanism according to the signal, and adjusting the angle of up-and-down head shaking by adjusting the rotation time and the steering of the first driving motor according to the position.
In some embodiments, preferably, after determining the position of the up-down oscillating mechanism according to the signal, adjusting the angle of up-down oscillating by adjusting the rotation time of the first driving motor and steering according to the position, the method further comprises:
judging the position of the adjusted up-and-down oscillating mechanism, and comparing the position with a preset position;
if the two values are the same, stopping further adjustment; if the signals are different, the position of the up-and-down head shaking mechanism is judged according to the signals, and the angle of up-and-down head shaking is adjusted by adjusting the rotation time of the first driving motor and steering according to the position.
In some embodiments, preferably, the preset position is: the highest position is reached when the head is swung upwards, and the lowest position is reached when the head is swung downwards; then the first time period of the first time period,
the step of judging the position of the up-and-down head shaking mechanism according to the signal, and the step of adjusting the angle of up-and-down head shaking by adjusting the rotation time of the first driving motor and the steering according to the position comprises the following steps:
when the first driving motor drives the fan head to rotate downwards and the lowest position is not reached, the first driving motor continues to drive the fan head to move downwards; when reaching the lowest position, the first driving motor drives the fan head to move upwards;
when the first driving motor drives the fan head to rotate upwards and the highest position is not reached, the first driving motor continuously drives the fan head to move upwards; when reaching the highest position, the first driving motor drives the fan head to move downwards.
In some embodiments, preferably, after the oscillating fan is powered up, the method further comprises: powering up and resetting;
the power-on reset includes:
the oscillating fan is electrified;
the first driving motor drives the fan head to move downwards;
judging that the up-and-down oscillating mechanism reaches the lowest position, if so, driving the fan head to rotate upwards by the first driving motor to the upper electric preset position, and then stopping up-and-down oscillating; if the first driving motor does not reach the first preset position, the first driving motor continuously drives the fan head to move downwards.
In some embodiments, preferably, before the oscillating fan is stopped, the method further comprises: stopping and resetting;
the shutdown reset includes:
according to the stop signal, the first driving motor drives the fan head to move downwards;
judging that the upper and lower oscillating mechanisms reach the lowest position, if so, driving the fan head to rotate upwards by the first driving motor until the fan head stops at a preset position, and stopping; if the first driving motor does not reach the first preset position, the first driving motor continuously drives the fan head to move downwards.
(III) beneficial effects
According to the technical scheme provided by the invention, the position of the up-down oscillating mechanism is determined according to the induction and the receiving among the upper position receiving element, the lower position receiving element and the position transmitting element, and the steering and rotating time of the first driving motor is controlled according to the position, so that the effective control is achieved.
On the other hand, the control mode can also be used for power-on reset and shutdown reset.
Drawings
FIG. 1 is a schematic view of the drive assembly (horizontal) of the present invention;
FIG. 2 is an exploded view of the drive assembly;
FIG. 3 is a schematic view of a horizontal cross-sectional structure of a driving assembly according to the present invention;
FIG. 4 is a schematic view of a cross-sectional mechanism of a fan blade blowing downward;
FIG. 5 is a schematic view of a cross-sectional mechanism of the fan blade when blowing to the uppermost side;
FIG. 6 is a flow chart of operation of the drive assembly during normal up and down panning;
FIG. 7 is a flowchart of a power-on reset;
fig. 8 is a flowchart of the shutdown reset operation.
Note that: 1, fan blades; 2, a fan blade motor; 3 up-down oscillating mechanism: 31 up and down shaking head part: 311 a bracket for shaking head up and down; 312 right sleeve; 313 bearings; 314 left sleeve; 315 a first drive gear; 316 a first drive motor; 317 lower hall element circuit board; 317 hall element circuit board; 32 fixed shaft portion: 321 horizontal rotation shaft; 322 a first drive gear; 323 magnets. 4. Left and right shaking mechanism: 41. and the left and right shaking supports.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The terms "first", "second", "third", "fourth" do not represent any sequence relationships, and are merely for convenience of description. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. The "current" is the time when an action is performed, and a plurality of current occurs in the text, which are all recorded in real time as time passes.
Based on the problem that the up-down and left-right shaking modes of the shaking fan are poor in flexibility, the invention provides a driving assembly of the shaking fan, the shaking fan and an adjusting method.
The product, method, etc. will be described in detail below by means of basic designs, extended designs, and alternative designs.
The present invention provides a driving assembly of a head shaking fan, as shown in fig. 1-3, which is installed at an up-and-down head shaking part 31 of the head shaking fan, the driving assembly comprises a fan blade 1 driving structure and a machine head driving structure, and the machine head driving structure comprises: an up-and-down shaking driving mechanism; wherein, drive mechanism that shakes from top to bottom includes: a first frame, a first drive motor 316, a first drive gear 315, a first transfer gear 322, an upper position receiving element, a lower position receiving element, a position emitting element; the first driving gear 315 is sleeved on the power output shaft of the first driving motor 316, the first driving gear 315 is meshed with the first transmission gear 322, and the first transmission gear 322 is in a vertical fixed state; the first driving motor 316 is fixed on the first frame, and the first frame is fixedly connected with the fan blade 1 driving structure; the upper position receiving element is fixed on the upper part of the first frame, and the lower position receiving element is fixed on the lower part of the first frame; the position transmitting element is fixedly mounted to the first transfer gear 322.
The first transmission gear 322 is referred to herein as being in a vertically fixed state, which means that a surface formed by the racks of the first transmission gear 322 is a vertical surface. The first transmission gear 322 is in a fixed state and serves as a guide gear for the movement of the first drive gear 315, and the movement direction is up and down when the first drive gear 315 moves around the first transmission gear 322.
The first driving gear 315 rotates with the rotation of the power output shaft of the first driving motor 316.
The upper position receiving element, the lower position receiving element and the position transmitting element constitute the transmission and reception of signals, which may be magnetic signals, electrical signals, mechanical signals, etc. Because the first frame rotates, the distance between the first frame and the first transmission gear 322 is shorter, the distance between the first frame and the second transmission gear 322 is longer, the signals generated by different distances are different, and the distance information contained in the signals is different.
The first driving motor 316 is fixed to the first frame, and the first driving motor and the second driving motor move synchronously, and other fixed connections are also synchronous movements, which are not described herein. The first driving motor 316 emits driving force by means of a fixed connection, and forms synchronous movement in the up-down direction by means of the fixed connection of the respective structures.
The working principle is as follows: the first driving motor 316 drives the first driving gear 315 through the power output shaft, the first driving gear 315 moves up and down around the first transmission gear 322 by utilizing the meshing relationship, the first driving motor 316 moves along with the first driving gear 315, the first driving motor 316 drives the first frame to do the same up and down movement while moving, the first frame drives the fan blade 1 driving structure to move, and the fan blade 1 driving structure drives the fan blade 1 to move up and down. The first frame drives the second frame to move up and down. The upper position receiving element and the lower position receiving element of the first frame in motion continuously receive the information transmitted by the position transmitting element, confirm the distance between the first frame and the first transmission gear 322 according to the information, and determine the position of the up-and-down oscillating mechanism 3.
Based on the basic design, because the fan stand that shakes the head is heavier more, need provide stable support for the motion, consequently, drive mechanism that shakes the head from top to bottom still includes: a horizontal rotation shaft 321; the first transmission gear 322 is fixedly connected with the horizontal rotating shaft 321, and the horizontal rotating shaft 321 is arranged on the first frame through a bearing 313;
the first frame is fixedly connected with a second frame of the horizontal shaking driving mechanism through a horizontal rotating shaft 321.
In order to simplify the structural design and the convenience of transmitting and receiving signals as much as possible, the upper position receiving element adopts a Hall element circuit board, namely an upper Hall element circuit board 318; the lower position receiving element is a lower hall element wiring board 317; the position emitting element is a magnet 323.
In practical application, when the hall element on the lower hall element circuit board 317 is opposite to the magnet 323, the position is the lowest position of the fan blade 1, and the fan blade 1 blows air downward; when the hall element on the upper hall element wiring board 318 is facing the magnet 323, this position is the position where the fan blade 1 is at the highest, and the fan blade 1 blows air upward.
A specific design example is given below:
a rotating shaft mechanism of an electric fan of a fan capable of swinging up and down, comprising: the upper and lower shaking head bracket 311, a left shaft sleeve, a right shaft sleeve, a bearing 313, a first driving shaking head motor, a driving gear, a lower Hall element circuit board 317, an upper Hall element circuit board 318, a horizontal rotating shaft 321, a first transmission gear 322 (a first transmission gear 322) and a magnet 323.
The rotating shaft mechanism for swinging up and down has simple and compact structure. The air supply to the up-down direction of the machine head can be realized, and the air supply angle is adjustable, so that the electric fan has multiple angles and can supply air and cool in a large range. The up-and-down oscillating angle is adjustable in multiple steps through controlling the steering of the driving motor by a circuit. When the air is sent at a large angle, the air-conditioning fan can be used as an air circulation fan. Small-angle air supply can be used when people are few, small gears can be used for wind power, and electric power can be saved.
A. ) And the head is swung up and down.
The horizontal rotation shaft 321 is fixedly mounted on the left and right swing brackets 41 (a part of the second frame) of the left and right swing mechanism 4. The up-and-down oscillating bracket 311 (a part of the first frame) and the fan blade motor 2 are fixedly mounted together. The left and right bushings are fixedly mounted on the upper and lower swing brackets 311. Bearing 313 is fixedly mounted within the right sleeve. The up-and-down driving motor (i.e., the first driving motor 316) is fixedly installed on the up-and-down shaking head bracket 311. The upper and lower driving gears (first driving gear 315) are fixedly installed on the upper and lower driving motor shafts. The upper hall element circuit board 318 is fixedly mounted on the upper and lower head shaking brackets 311. The lower hall element circuit board 317 is fixedly installed on the upper and lower swing brackets 311. The fan blade motor 2 is fixedly arranged on the upper and lower oscillating brackets 311, and the fan blade 1 is fixedly arranged on the rotating shaft of the fan blade motor 2. The horizontal rotating shaft 321 is fixedly installed on the left and right shaking brackets 41.
The upper and lower driving motor (i.e. the first driving motor 316) drives the upper and lower driving gear to rotate circumferentially around the upper and lower first transmission gear 322, and because the upper and lower driving motor is fixedly installed on the upper and lower shaking head bracket 311, the fan blade motor 2 is also fixedly installed on the upper and lower shaking head bracket 311, and the fan blade 1 is fixedly installed on the rotating shaft of the fan blade motor 2, so that the fan blade motor 2 and the fan blade 1 are driven to rotate around the horizontal rotating shaft 321, and the upper and lower shaking head is realized.
The installation step comprises the following steps: 1. bearing 313 is fitted tightly into the right sleeve. 2. The left shaft sleeve 314 is mounted on the upper and lower head shaking brackets 311 and is fixed by screws. 3. The right shaft sleeve 312 is mounted on the upper and lower head shaking brackets 311 and is fixed by screws. 4. The lower hall element circuit board 317 is mounted on the upper and lower head frames 311 and fixed by screws. 5. The upper hall element circuit board 318 is mounted on the upper and lower head brackets 311 and fixed by screws. 6. The upper and lower driving motors are mounted on the upper and lower shaking brackets 311 and fixed by screws. 7. The upper and lower driving gears are tightly matched and arranged on the motor shafts of the upper and lower driving gears. 8. Magnets 323 are tightly fitted to the upper and lower first transmission gears 322. 9. The horizontal rotating shaft 321 passes through the left shaft sleeve on the upper and lower head shaking support 311 and is arranged in the hole of the right shaft sleeve inner bearing 313 on the upper and lower head shaking support 311. 10. The upper and lower first transmission gears 322 are mounted on the horizontal rotation shaft 321.
As shown in fig. 4, when the hall element on the lower hall element wiring board 317 is faced to the magnet 323 at the time of up-and-down head shaking, the position is the position where the fan blade 1 is at the lowest, i.e., the fan blade 1 blows air downward.
As shown in fig. 5, when the hall element on the upper hall element circuit board 318 faces the magnet 323 during the up-and-down head shaking, the position is the highest position of the fan blade 1, that is, the fan blade 1 blows air upward.
The invention also provides a head shaking fan which comprises a driving assembly.
The invention also provides a method for adjusting the shaking head position by using the driving assembly, which comprises the following steps:
step 110, entering an up-down shaking mode;
step 112, determining the distance between the upper position receiving element and the lower position receiving element and the position transmitting element;
step 114, generating a signal according to the distance;
and step 116, judging the position of the up-and-down head shaking mechanism 3 according to the signal, and adjusting the angle of up-and-down head shaking by adjusting the rotation time and the steering of the first driving motor 316 according to the position.
The oscillating fan of the technology can also set an oscillating angle, and in the actual oscillating operation, the oscillating angle can be adjusted according to a preset angle (or a preset position). Therefore, after determining the position of the up-and-down oscillating mechanism 3 according to the signal, adjusting the angle of up-and-down oscillating by adjusting the rotation time of the first driving motor 316 and steering according to the position, further comprises:
step 118, judging the position of the adjusted up-down oscillating mechanism 3, and comparing the position with a preset position;
step 120-1, if the same, stopping further adjustment;
step 120-2, if the signals are different, step 116 is continuously performed, that is, the position of the up-and-down oscillating mechanism 3 is determined according to the signals, and the angle of up-and-down oscillating is adjusted by adjusting the rotation time and steering of the first driving motor 316 according to the position.
A specific operation example is given below, wherein the operation example is based on the preset position being the highest position when the fan head swings upwards, and the preset position being the lowest position when the fan head swings downwards; then, as shown in fig. 6,
judging the position of the up-and-down head shaking mechanism 3 according to the signals, and adjusting the angle of up-and-down head shaking by adjusting the rotation time and the steering of the first driving motor 316 according to the position comprises:
when the first driving motor 316 drives the fan head to rotate downwards and the lowest position is not reached, the first driving motor 316 continues to drive the fan head to move downwards; when reaching the lowest position, the first driving motor 316 drives the fan head to move upwards;
when the first driving motor 316 drives the fan head to rotate upwards and the highest position is not reached, the first driving motor 316 continues to drive the fan head to move upwards; when the highest position is reached, the first driving motor 316 drives the fan head to move downwards.
Besides the adjustment of the oscillating angle according to the need in the normal operation, the oscillating angle can be adjusted when the oscillating fan is electrified or stopped, which is equivalent to resetting.
Such as: reset one, power-on reset:
fig. 7 shows a flowchart of a power-on reset:
the oscillating fan is electrified;
the first driving motor 316 drives the fan head to move downwards;
judging that the up-and-down oscillating mechanism 3 reaches the lowest position, if so, driving the fan head to rotate upwards by the first driving motor 316 to the upper electric preset position, and then stopping up-and-down oscillating; if not, the first driving motor 316 continues to drive the fan head to move downwards.
Resetting, namely stopping and resetting;
fig. 8 shows a flow chart of a shutdown reset:
according to the stop signal, the first driving motor 316 drives the fan head to move downwards;
judging that the upper and lower oscillating mechanism 3 reaches the lowest position, if so, driving the fan head to rotate upwards by the first driving motor 316 to a preset stop position, and stopping; if not, the first driving motor 316 continues to drive the fan head to move downwards.
The invention also provides a head shaking fan which comprises the driving assembly.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (10)
1. The utility model provides a drive assembly of fan shakes, its characterized in that includes flabellum drive structure and aircraft nose drive structure, aircraft nose drive structure includes: an up-and-down shaking driving mechanism; wherein,
the up-down shaking driving mechanism comprises: the device comprises a first frame, a first driving motor, a first driving gear, a first transmission gear, an upper position receiving element, a lower position receiving element and a position emitting element; the first driving gear is sleeved on a power output shaft of the first driving motor, the first driving gear is meshed with the first transmission gear, and the first transmission gear is in a vertical fixed state; the first driving motor is fixed on the first frame, and the first frame is fixedly connected with the fan blade driving structure;
the upper position receiving element is fixed to an upper portion of the first frame, and the lower position receiving element is fixed to a lower portion of the first frame;
the position transmitting element is fixedly arranged on the first transmission gear; the upper position receiving element and the lower position receiving element can continuously receive the information transmitted by the position transmitting element so as to determine the position of the up-and-down oscillating driving mechanism.
2. The driving assembly of the oscillating fan as claimed in claim 1, wherein the up-and-down oscillating driving mechanism further comprises: a horizontal rotating shaft; the first transmission gear is fixedly connected with the horizontal rotating shaft, and the horizontal rotating shaft is arranged on the first frame through a bearing;
the first frame is fixedly connected with a second frame of the horizontal shaking driving mechanism through the horizontal rotating shaft.
3. The drive assembly of a swing fan according to claim 1, wherein said upper position receiving element is an upper hall element circuit board; the lower position receiving element is a lower Hall element circuit board; the position emitting element is a magnet.
4. The driving assembly of the oscillating fan as claimed in claim 3, wherein when the hall element on the lower hall element circuit board is opposite to the magnet, the position is a position where the fan blade is at a lowest position, and the fan blade blows air downward;
when the Hall element on the upper Hall element circuit board is opposite to the magnet, the position is the highest position of the fan blade, and the fan blade blows air to the upper surface.
5. A swing fan comprising the drive assembly of any of claims 1-4.
6. A method of adjusting a pan position using the drive assembly of any of claims 1-4, comprising:
in the up-down shaking mode, determining the distances between the upper position receiving element and the lower position receiving element and the position transmitting element;
and generating a signal based on the distance;
and judging the position of the up-and-down shaking driving mechanism according to the signal, and adjusting the angle of up-and-down shaking by adjusting the rotation time and the steering of the first driving motor according to the position.
7. The method of claim 6, further comprising, after determining the position of the up-and-down head-shaking driving mechanism based on the signal, adjusting the angle of the up-and-down head-shaking by adjusting the rotation time of the first driving motor and steering based on the position:
judging the position of the adjusted up-and-down shaking head driving mechanism, and comparing the position with a preset position;
if the two values are the same, stopping further adjustment; if the signals are different, the position of the up-and-down head shaking driving mechanism is judged according to the signals, and the angle of up-and-down head shaking is adjusted by adjusting the rotation time and the steering of the first driving motor according to the position.
8. The method of claim 7, wherein the predetermined position is a highest position when the head is moved upward; the preset position is the lowest position when the head is swung downwards; then the first time period of the first time period,
the step of judging the position of the up-and-down shaking driving mechanism according to the signal, and the step of adjusting the angle of up-and-down shaking by adjusting the rotation time and the steering of the first driving motor according to the position comprises the following steps:
when the first driving motor drives the fan head to rotate downwards and the lowest position is not reached, the first driving motor continues to drive the fan head to move downwards; when reaching the lowest position, the first driving motor drives the fan head to move upwards;
when the first driving motor drives the fan head to rotate upwards and the highest position is not reached, the first driving motor continuously drives the fan head to move upwards; when reaching the highest position, the first driving motor drives the fan head to move downwards.
9. The method of any of claims 6-8, wherein after powering up the oscillating fan, the method further comprises: powering up and resetting;
the power-on reset includes:
the oscillating fan is electrified;
the first driving motor drives the fan head to move downwards;
judging that the up-and-down shaking driving mechanism reaches the lowest position, if so, driving the fan head to rotate upwards by the first driving motor to the upper electric preset position, and then stopping up-and-down shaking; if the first driving motor does not reach the first preset position, the first driving motor continuously drives the fan head to move downwards.
10. The method of any of claims 6-8, wherein prior to the oscillating fan shutting down, the method further comprises: stopping and resetting;
the shutdown reset includes:
according to the stop signal, the first driving motor drives the fan head to move downwards;
judging that the up-down shaking driving mechanism reaches the lowest position, if so, driving the fan head to rotate upwards by the first driving motor until the fan head stops at a preset position, and stopping; if the first driving motor does not reach the first preset position, the first driving motor continuously drives the fan head to move downwards.
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| CN201710408629.3A CN107100872B (en) | 2017-06-02 | 2017-06-02 | Driving assembly of oscillating fan, oscillating fan and method for adjusting oscillating position |
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| CN201710408629.3A CN107100872B (en) | 2017-06-02 | 2017-06-02 | Driving assembly of oscillating fan, oscillating fan and method for adjusting oscillating position |
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| CN107100872A CN107100872A (en) | 2017-08-29 |
| CN107100872B true CN107100872B (en) | 2023-12-19 |
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