CN113565780A - Method, device, computer and storage medium for determining fan air supply strategy - Google Patents
Method, device, computer and storage medium for determining fan air supply strategy Download PDFInfo
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- CN113565780A CN113565780A CN202010348122.5A CN202010348122A CN113565780A CN 113565780 A CN113565780 A CN 113565780A CN 202010348122 A CN202010348122 A CN 202010348122A CN 113565780 A CN113565780 A CN 113565780A
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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
- 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2270/00—Control
- F05D2270/80—Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges
- F05D2270/804—Optical devices
- F05D2270/8041—Cameras
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a method, a device, a computer and a storage medium for determining a fan air supply strategy, wherein the method comprises the following steps: the method comprises the steps of obtaining the distribution condition of a user relative to a fan; and determining the air supply strategy of the fan according to the distribution condition. The method, the device, the computer and the storage medium for determining the air supply strategy of the fan have more scientific air supply mode.
Description
Technical Field
The invention relates to the technology of intelligent household appliances, in particular to a method and a device for determining a fan air supply strategy, a computer and a storage medium.
Background
Blowing air by a fan, such as a household electric fan, is a common method of cooling and relieving summer heat or circulating air. However, the existing fan has a single air supply mode and has poor cooling and summer-heat relieving effects.
Disclosure of Invention
In view of the above, embodiments of the present invention are to provide a method, an apparatus, a computer, and a storage medium for determining a fan blowing strategy, which can improve a blowing manner and improve cooling and summer-heat relieving effects.
In order to achieve the above purpose, the technical solution of the embodiment of the present invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a method for determining a fan blowing strategy, where the method includes:
acquiring the distribution condition of a user relative to the fan;
determining an air supply strategy of the fan according to the distribution condition;
the air supply strategy of the fan comprises the following steps: the horizontal swing angle of the fan, the position of the horizontal swing center of the fan, the vertical swing angle of the fan, the horizontal swing speed of the fan and the vertical swing speed of the fan;
the distribution situation of the user relative to the fan comprises the following steps: the number of user groups, the distance between each user group and the fan, the angle between each user group and the horizontal swing center of the fan, and the angle of the gap between each user group in the horizontal swing direction of the fan;
the user group comprises at least one user, and when more than one user is in the same user group, the angle of the gap between the adjacent users in the horizontal swinging direction of the fan is smaller than a preset value.
In the above scheme, the determining the air supply strategy of the fan according to the distribution condition includes:
and when the number of the user groups is single, determining the horizontal swing angle of the fan according to the distance between the user groups and the fan, the initial horizontal swing angle when the fan is started and the wind speed attenuation factor.
In the above scheme, the determining the air supply strategy of the fan according to the distribution condition includes:
and when the number of the user groups is single, determining that the fan adjusts the horizontal swing center of the fan at a swing speed higher than a preset value according to the angle between the user groups and the horizontal swing center of the fan, and/or determining that the fan reduces the blowing amount in the process of adjusting the swing of the horizontal swing center of the fan.
In the above scheme, the determining the air supply strategy of the fan according to the distribution condition includes:
and when the number of the user groups is multiple, determining that the fan passes through the gap at a swing speed higher than a preset value according to the angle value of the gap between the user groups in the swing direction.
In the above scheme, the method further comprises:
and according to the height of a user in the user group, when the fan horizontally swings to the angle range corresponding to the user group, the vertical swing of the fan is started at the same time.
In the above scheme, acquiring the distribution of the user relative to the fan includes:
acquiring a first picture in the horizontal air supply range of the fan, and determining the number of the user groups and the positions of the user groups in the first picture;
and acquiring the distribution condition of the user relative to the fan according to the number of the user groups and the positions of the user groups in the first picture.
In the above scheme, the method further comprises:
acquiring a second picture in the vertical air supply range of the fan, and determining the positions of the heads or the legs of the users in the user group in the second picture;
and determining the height of the user in the user group according to the position of the head or the leg of the user in the user group in the second picture.
In the above scheme, the obtaining of the second picture in the vertical air supply range of the fan includes:
and when the fan swings to the center aligned with the user group, controlling the image detection component to shoot the user group, and acquiring a second picture within the vertical air supply range of the fan.
In the above scheme, the method further comprises:
when the number of the user groups is multiple, determining that the fan adopts different horizontal swinging speeds for the user groups in the horizontal swinging process according to the density of the user groups;
the density of the user group is the ratio of the number of the users of the user group to the angle of the user group in the horizontal swinging direction of the fan.
In a second aspect, an embodiment of the present invention provides an apparatus for determining a blower fan blowing strategy, where the apparatus includes an obtaining module and a determining module; wherein the content of the first and second substances,
the acquisition module is used for acquiring the distribution condition of a user relative to the fan;
and the determining module is used for determining the air supply strategy of the fan according to the distribution condition.
In a third aspect, an embodiment of the present invention provides a computer, where the computer includes: a memory, a communication bus, and a processor, wherein:
the memory is used for storing a method program for determining a fan air supply strategy;
the communication bus is used for realizing connection communication between the memory and the processor;
the processor is configured to execute the air supply method program stored in the memory to implement the steps of any one of the above methods for determining the fan air supply strategy.
In a fourth aspect, an embodiment of the present invention provides an intelligent fan, where the intelligent fan includes a fan, an image detection component, an electric control board, and a horizontal swing motor; wherein the content of the first and second substances,
the fan is used for outputting preset air volume;
the image detection component is used for detecting the distribution condition of a user relative to the fan and sending the distribution condition to the electric control board;
the electric control board is used for sending a control instruction according to the detection result of the image detection component and controlling the motion of the horizontal swinging motor;
and the horizontal swinging motor is used for driving the fan to swing in the horizontal direction according to the control instruction of the electric control board.
In the above scheme, the intelligent fan further comprises a vertical swing motor;
and the vertical swing motor is used for driving the fan to swing in the vertical direction according to the control instruction of the electric control board.
In a fifth aspect, embodiments of the present invention provide a computer-readable storage medium, on which an executable program is stored, and the executable program, when executed by a processor, implements the steps of any one of the above-mentioned methods for determining a fan supply strategy.
The method, the device, the computer and the storage medium for determining the fan air supply strategy of the embodiment of the invention comprise the steps of obtaining the distribution condition of a user relative to a fan; determining an air supply strategy of the fan according to the distribution condition; therefore, the method, the device, the computer and the storage medium for determining the air supply strategy of the fan in the embodiment of the invention determine the air supply strategy of the fan according to the distribution situation of the user relative to the fan, so that the air supply mode is more scientific, and the cooling and summer-heat relieving effects are better.
Other beneficial effects of the embodiments of the present invention will be further described in conjunction with the specific technical solutions in the detailed description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It should be understood that the drawings described below are only a part of the drawings of the embodiments of the present invention, and that other drawings may be obtained by those skilled in the art without inventive effort.
FIG. 1 is a schematic flow chart illustrating a method for determining a blower fan blowing strategy according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating adjustment of horizontal swing amplitude in a method for determining a fan blowing strategy according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating adjustment of a horizontal swing center position in a method for determining a blower fan blowing strategy according to an embodiment of the present invention;
FIG. 4 is a first schematic diagram illustrating adjustment of horizontal swing speed in a method for determining a blower fan blowing strategy according to an embodiment of the present invention;
FIG. 5 is a second schematic diagram illustrating adjustment of horizontal swing speed in a method for determining a blower fan blowing strategy according to an embodiment of the present invention;
FIG. 6 is a schematic side view illustrating adjustment of vertical swing amplitude in a method for determining a blower fan blowing strategy according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of adjustment of vertical swing amplitude for a single user in a method for determining a fan blowing strategy according to an embodiment of the present invention;
fig. 8 is a first schematic diagram illustrating adjustment of vertical swing amplitudes for a plurality of users in a method for determining a fan blowing strategy according to an embodiment of the present invention;
fig. 9 is a second schematic diagram illustrating adjustment of vertical swing amplitudes for a plurality of users in the method for determining a fan blowing strategy according to the embodiment of the present invention;
fig. 10 is a third schematic diagram of adjustment of vertical swing amplitudes for a plurality of users in the method for determining a fan blowing strategy according to the embodiment of the present invention;
FIG. 11 is a schematic structural diagram of an apparatus for determining a blower fan blowing strategy according to an embodiment of the present invention;
FIG. 12 is a schematic structural diagram of a computer according to an embodiment of the present invention;
fig. 13 is a schematic structural diagram of an intelligent fan according to an embodiment of the present invention.
Detailed Description
At present, the air supply strategy of the fan generally comprises: the horizontal direction is swept wind and vertical direction is swept wind, the amplitude of sweeping wind is fixed, the speed is also fixed after corresponding gears are selected, therefore, the air supply mode is single, and the cooling and summer-heat relieving effects are poor.
In view of the above technical problem, an embodiment of the present invention provides a method for determining a fan blowing strategy, where the method may include:
acquiring the distribution condition of a user relative to the fan;
determining an air supply strategy of the fan according to the distribution condition;
the air supply strategy of the fan comprises the following steps: the horizontal swing angle of the fan, the position of the horizontal swing center of the fan, the vertical swing angle of the fan, the horizontal swing speed of the fan and the vertical swing speed of the fan;
the distribution situation of the user relative to the fan comprises the following steps: the number of user groups, the distance between each user group and the fan, the angle between each user group and the horizontal swing center of the fan, and the angle of the gap between each user group in the horizontal swing direction of the fan;
the user group comprises at least one user, and when more than one user is in the same user group, the angle of the gap between the adjacent users in the horizontal swinging direction of the fan is smaller than a preset value. The preset value can be set according to the adjustment speed of the horizontal swing speed of the fan, and refer to the following specific embodiment.
The method, the device, the computer and the storage medium for determining the air supply strategy of the fan in the embodiment of the invention determine the air supply strategy of the fan according to the distribution situation of a user relative to the fan, so that the air supply mode is more scientific, and the cooling and summer-heat relieving effects are better.
In other embodiments of the present invention, the determining, according to the distribution, an air supply strategy of the fan may include:
and when the number of the user groups is single, determining the horizontal swing angle of the fan according to the distance between the user groups and the fan, the initial horizontal swing angle when the fan is started and the wind speed attenuation factor.
Here, for a single user group, in order to maintain the comfort of the user, it is necessary that the amount of air blown to the user by the blower is substantially the same per unit time. This is thus achieved using the following principle: the horizontal swing angle of the fan is increased, and the air volume is diffused, otherwise, the horizontal swing angle of the fan is reduced, and the air volume is converged. When the single user group is far away from the fan, the fan is automatically controlled to swing with a small swing amplitude, otherwise, the fan is automatically controlled to swing with a large swing amplitude. Thus, the user is more comfortable and a better embodiment is achieved.
The wind speed attenuation factor here is a parameter that is inversely proportional to the distance of the individual user group from the wind turbine.
In other embodiments of the present invention, the determining, according to the distribution, an air supply strategy of the fan may include:
and when the number of the user groups is single, determining that the fan adjusts the horizontal swing center of the fan at a swing speed higher than a preset value according to the angle between the user groups and the horizontal swing center of the fan, and/or determining that the fan reduces the blowing amount in the process of adjusting the swing of the horizontal swing center of the fan.
Here, the preset value may be a swing speed when the air is supplied to the user, the swing speed is relatively low due to the air supply, and the adjustment of the horizontal swing center of the fan needs to be quickly adjusted to a position, so the swing speed is relatively high, which is a better implementation manner.
Here, when the user changes the position, the horizontal position is changed in addition to the distance from the fan, and therefore, it is necessary to adjust the horizontal swing center of the fan to accommodate the position change of the user. Of course, when the blower is just started, the direction may not be correct, and the horizontal swing center of the fan needs to be adjusted by the method. Therefore, the fan swings more scientifically, the energy consumption is low, and the method is a better implementation mode.
In addition, because the swing center is adjusted, the blowing amount of the fan can be reduced at the same time, so that the energy consumption can be reduced, and the method is a better implementation mode.
In other embodiments of the present invention, the determining, according to the distribution, an air supply strategy of the fan may include:
and when the number of the user groups is multiple, determining that the fan passes through the gap at a swing speed higher than a preset value according to the angle value of the gap between the user groups in the swing direction.
For a plurality of user groups, because the horizontal swing amplitude of the fan is relatively large, or the swing period is relatively long, for a single user group, it takes a relatively long time to obtain the chance of blowing, so the horizontal swing speed of the fan needs to be flexibly adjusted, for example, when the wind of the fan blows to the user groups, the horizontal swing speed of the fan is reduced, and when the wind of the fan blows to the gaps between the user groups, the horizontal swing speed of the fan is increased. Thus, the waiting time of the user can be reduced to the maximum extent. Therefore, the fan swings more scientifically, the utilization rate of the fan is higher, and the fan swing device is a better implementation mode. The preset value may be an average value of the fan swing speed.
In other embodiments of the present invention, the method may further comprise:
and according to the height of a user in the user group, when the fan horizontally swings to the angle range corresponding to the user group, the vertical swing of the fan is started at the same time.
Here, it is a more preferable embodiment that the user can get cool wind for relieving summer heat all over the user's body by a combination of vertical swing and horizontal swing.
In other embodiments of the present invention, the acquiring the distribution of the user relative to the wind turbine may include:
acquiring a first picture in the horizontal air supply range of the fan, and determining the number of the user groups and the positions of the user groups in the first picture;
and acquiring the distribution condition of the user relative to the fan according to the number of the user groups and the positions of the user groups in the first picture.
Here, the image detection unit may acquire a first picture in the horizontal air supply range of the fan, and then acquire the distribution of the user with respect to the fan according to the position of the user group in the first picture.
In particular, general image processing and recognition techniques are involved and will not be described in detail.
In other embodiments of the present invention, the method may further comprise:
acquiring a second picture in the vertical air supply range of the fan, and determining the positions of the heads or the legs of the users in the user group in the second picture;
and determining the height of the user in the user group according to the position of the head or the leg of the user in the user group in the second picture.
As mentioned above, here too, the second picture is obtained by the image detection component, and then the height of the user in the user group is determined according to the position of the head or the leg of the user in the user group in the second picture, and image processing and recognition technology is involved.
In other embodiments of the present invention, the acquiring the second picture in the vertical air supply range of the fan may include:
and when the fan swings to the center aligned with the user group, controlling the image detection component to shoot the user group, and acquiring a second picture within the vertical air supply range of the fan.
In this way, the second picture taken is more accurate, improving the accuracy of determining the height of the user.
In other embodiments of the present invention, the method may further comprise:
when the number of the user groups is multiple, determining that the fan adopts different horizontal swinging speeds for the user groups in the horizontal swinging process according to the density of the user groups;
the density of the user group is the ratio of the number of the users of the user group to the angle of the user group in the horizontal swinging direction of the fan.
Here, the number of users per user group is relatively large, that is, the density of each user group is different. Thus, the speed of the horizontal swing of the fan is increased except for the neutral position between the adjacent users, and is appropriately increased when the wind of the fan blows to a region where the users are relatively sparse. Therefore, the fan swings more scientifically, the utilization rate of the fan is higher, and the fan swing device is a better implementation mode.
The embodiment of the invention also provides a device for determining the air supply strategy of the fan, which comprises an acquisition module and a determination module; wherein the content of the first and second substances,
the acquisition module is used for acquiring the distribution condition of a user relative to the fan;
and the determining module is used for determining the air supply strategy of the fan according to the distribution condition.
An embodiment of the present invention further provides a computer, where the computer includes: a memory, a communication bus, and a processor, wherein:
the memory is used for storing a program of an air supply method;
the communication bus is used for realizing connection communication between the memory and the processor;
the processor is configured to execute the air supply method program stored in the memory to implement the steps of any one of the above methods for determining the fan air supply strategy.
The embodiment of the invention also provides an intelligent fan, which comprises a fan, an image detection component, an electric control board and a horizontal swing motor; wherein the content of the first and second substances,
the fan is used for outputting preset air volume;
the image detection component is used for detecting the distribution condition of a user relative to the fan and sending the distribution condition to the electric control board;
the electric control board is used for sending a control instruction according to the detection result of the image detection component and controlling the motion of the horizontal swinging motor;
and the horizontal swinging motor is used for driving the fan to swing in the horizontal direction according to the control instruction of the electric control board.
In other embodiments of the present invention, the smart fan further comprises a vertical swing motor;
and the vertical swing motor is used for driving the fan to swing in the vertical direction according to the control instruction of the electric control board. Thus, in addition to the horizontal swing, the swing in the vertical direction can be realized, which is a more preferable embodiment.
An embodiment of the present invention further provides a computer-readable storage medium, where an executable program is stored on the computer-readable storage medium, and when the executable program is executed by a processor, the method for determining a fan blowing strategy according to any one of the above-mentioned steps is implemented.
The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Also, the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from these embodiments without inventive step, are within the scope of protection of the present invention.
Example one
The embodiment provides a method for determining a fan blowing strategy, which can be performed by a smart fan, and can be understood as well as other devices with fans, such as an air conditioner.
As shown in fig. 1, the method may include:
step 101: acquiring the distribution condition of a user relative to the fan;
here, the distribution of the user with respect to the fan may include: the number of the user groups, the distance between the user groups and the fan, the angle between the user groups and the horizontal swing center of the fan, the angle of the gap between the user groups in the horizontal swing direction of the fan and the like.
That is, users are gathered together or scattered, and if the users are scattered, the users are divided into several user groups, the distance between each user group and the fan, and the distance between each user group and each other all affect the determination of the fan blowing strategy. Of course, the above is merely exemplary, and there may be other distribution situations, which may be implemented by referring to the principle of determining the air blowing strategy in some embodiments disclosed in the present invention.
The user group comprises at least one user, and when more than one user is in the same user group, the angle of the gap between the adjacent users in the horizontal swinging direction of the fan is smaller than a preset value. The preset value here may be 5 degrees.
Specifically, the obtaining of the distribution of the user relative to the fan may include:
acquiring a first picture in the horizontal air supply range of the fan, and determining the number of the user groups and the positions of the user groups in the first picture;
and acquiring the distribution condition of the user relative to the fan according to the number of the user groups and the positions of the user groups in the first picture.
The method comprises the steps of acquiring a first picture in a horizontal air supply range of the fan through an image detection component, and then acquiring the distribution condition of users relative to the fan according to the positions of user groups in the first picture.
The image detection component can be a camera which is fixed on the fan and swings along with the swing of the fan. More specifically, the camera can be a digital camera, so that imaging is clearer and post-processing is facilitated. And the viewing range of the camera is set to be fixed, so that the change of the position of the user group in the first picture is the change of the user group, and is not the adjustment of the viewing range of the camera, and the processing and the determination are more convenient. Specifically, the method may further include:
acquiring a second picture in the vertical air supply range of the fan, and determining the positions of the heads or the legs of the users in the user group in the second picture;
and determining the height of the user in the user group according to the position of the head or the leg of the user in the user group in the second picture.
As mentioned above, here too, the second picture is obtained by the image detection means, and then the height of the user in the user group is determined based on the position of the head or the leg of the user in the user group in the second picture. Because the viewing range of the camera is set to be fixed, the height of the user can be calculated according to the position of the head or the leg of the user in the user group in the second picture, and the height of the viewing range can be measured in advance because the height of the user and the height of the viewing range have a certain proportional relation.
Further, the acquiring a second picture in the vertical air supply range of the fan may include:
and when the fan swings to the center aligned with the user group, controlling the image detection component to shoot the user group, and acquiring a second picture within the vertical air supply range of the fan.
In this way, the second picture taken is more accurate, improving the accuracy of determining the height of the user. That is, when the user group is directly faced, the user in the shot second picture is more accurate because of no wide angle distortion and other factors.
Step 102: and determining the air supply strategy of the fan according to the distribution condition.
Here, the air supply strategy of the fan may include: the horizontal swing angle of the fan, the position of the horizontal swing center of the fan, the vertical swing angle of the fan, the horizontal swing speed of the fan and the vertical swing speed of the fan;
further, the air supply strategy of the fan may include only one item, or may include several items, for example, the air supply strategy may only swing horizontally, so as to relate to one item, may also be a composite motion of swinging horizontally and swinging vertically, relating to two items, or may also swing horizontally and quickly in one range, and swing horizontally and slowly and swing vertically in another range, relating to a plurality of items.
Specifically, the determining the air supply strategy of the fan according to the distribution condition may include:
and when the number of the user groups is single, determining the horizontal swing angle of the fan according to the distance between the user groups and the fan, the initial horizontal swing angle when the fan is started and the wind speed attenuation factor.
Here, the principle of determining the horizontal swing angle of the fan is as follows: when the single user group is far away from the fan, the fan is automatically controlled to swing with a small swing amplitude, otherwise, the fan is automatically controlled to swing with a large swing amplitude. Therefore, the air quantity blown to the user by the fan is basically the same in unit time, and the user feels more comfortable. The wind speed attenuation factor is a parameter that is inversely proportional to the distance of the fan from the individual user group.
For a better understanding, the following is illustrated by the accompanying drawings:
as shown in fig. 2, in the horizontal direction, MN is an angle reference line, and is parallel to the front of the fan, O is the origin of horizontal oscillation of the fan, and angle AOB is the limit position of the horizontal oscillation of the fan, that is, the oscillation range of the fan does not exceed angle AOB, and the purpose of setting angle AOB is as follows: the maximum swing angle of the fan is limited, or the detection range of the image detection unit is limited, so that a boundary needs to be set, and the swing of the fan outside the boundary is not discussed in the embodiment of the present invention.
If the user group is at the point Q, the QO distance is equal to d, the image detection part sends angle information to the electric control board, and the electric control board controls the horizontal swinging motor to drive the fan to horizontally swing by taking OQ as a center, and the swinging angle is as follows:
wherein K is an attenuation factor of the wind speed distance, and the value of K is inversely proportional to d, namely:
k＝1/d (2)
if the user group is at the point Q1, the distance Q1O is equal to d1, the image detection component sends angle information to the electric control board, and the electric control board controls the horizontal swinging motor to drive the fan to horizontally swing by taking OQ1 as the center, and the swinging angle is:
wherein K is an attenuation factor of the wind speed distance, and the value of K is inversely proportional to d1, namely:
k＝1/d1 (4)
thus, when the user is close to the central point of the fan, the fan horizontally swings by an angle O
The wind-dispersing effect is achieved; when far away from the O point, the horizontal swing angle of the fan
Smaller, it has the action of wind-gathering.
Specifically, the determining the air supply strategy of the fan according to the distribution condition may include:
and when the number of the user groups is single, determining that the fan adjusts the horizontal swing center of the fan at a swing speed higher than a preset value according to the angle between the user groups and the horizontal swing center of the fan, and/or determining that the fan reduces the blowing amount in the process of adjusting the swing of the horizontal swing center of the fan.
Here, the preset value may be a swing speed for the user to supply air, the swing speed is relatively low due to the air supply, and the swing speed is relatively high due to the fact that the adjustment of the horizontal swing center of the fan needs to be quickly adjusted in place.
Here, when the user changes the position, the horizontal position is changed in addition to the distance from the fan, and therefore, it is necessary to adjust the horizontal swing center of the fan to accommodate the position change of the user. Of course, when the blower is just started, the direction may not be correct, and the horizontal swing center of the fan needs to be adjusted by the method.
In addition, because the swing center is adjusted, the blowing quantity of the fan can be reduced at the same time, so that the energy consumption can be reduced, on one hand, the energy consumption of the fan motor is reduced, on the other hand, the energy consumption of the horizontal swing motor can also be reduced, and when the blowing quantity of the fan is large, the rotational inertia of the fan can be larger.
For a better understanding, the following is illustrated by the accompanying drawings:
as shown in fig. 3, in the horizontal direction, MN is an angle reference line, and is parallel to the front face of the fan, and O is the horizontal swing origin of the fan.
In the operation process of the fan, the current swing angle of the horizontal swing motor is ≈ MOD, the center of a user group is positioned at a point Q, and after receiving user group position information provided by the image detection component, the electric control board controls the horizontal swing motor to rotate the swing center of the horizontal swing motor to a straight line where OQ is positioned within a preset time T, and adjusts the swing range to ≈ EOF. The predetermined time T is generally 1-3 seconds.
Specifically, the determining the air supply strategy of the fan according to the distribution condition may include:
and when the number of the user groups is multiple, determining that the fan passes through the gap at a swing speed higher than a preset value according to the angle value of the gap between the user groups in the swing direction.
That is, when the wind of the fan blows to the user group, the horizontal swing speed of the fan is reduced, and when the wind of the fan blows to the gap between the user group, the horizontal swing speed of the fan is increased. Therefore, the waiting time of the user can be reduced to the maximum extent while the air blowing quantity of the user is not reduced.
For a better understanding, the following is illustrated by the accompanying drawings:
fig. 4 shows a user group, as shown in fig. 4, in the horizontal direction, MN is an angle reference line, and is parallel to the front of the fan, and O is the origin of horizontal swing of the fan.
The center of the user group is at the position of Q point in the horizontal plane. The image detection component sends the user position to the electric control board. The electric control board can divide the user group into an angle region range of COD, when the fan horizontally swings to pass through the angle region range, the electric control board controls the horizontal swing motor to reduce the swing speed, and in other regions, the horizontal swing speed is improved.
Fig. 5 shows the case of two user groups, as shown in fig. 5, in the horizontal direction, MN is an angle reference line, which is parallel to the front of the fan, and O is the origin of horizontal swing of the fan.
In fig. 5, there are two user groups, which are in the angle ranges of < COD and < FOG respectively, and the centers of the user groups are distributed as Q and Q1. In the present embodiment, the criterion for distinguishing the user groups is that the angle of the gap between the user groups in the rotation direction of the fan is greater than 5 degrees. Namely, the angle between the ≤ COD and the ≤ FOG is greater than 5 degrees, and the angle of the gap between the users in the ≤ COD and the ≤ FOG in the rotating direction of the fan is less than 5 degrees.
After the electric control board obtains the position of each user group, the horizontal swinging fan is controlled: when the fan horizontally swings and passes through the < COD, the horizontal swing motor is controlled to reduce the swing speed, the speed of horizontal swing is improved when the fan is in the gap between the < COD and the < FOG, the swing speed is reduced again when the fan passes through the < FOG, and the like.
Furthermore, in order to make the air supply more complete, a set supplement angle γ needs to be added to the confirmed user group to prevent the users at the edge of the user group from being unable to blow air or insufficient air blowing amount. The value of gamma can be 0-10 degrees. When there is only one user in the user group, the angle of the user group is γ. For example, < FOG in fig. 5 is added with γ, and then it becomes < HOI.
Furthermore, since the number of users in different user groups is different, the electronic control board needs to determine the user sparsity of each user group, where the user sparsity is equal to the angle of the user group divided by the number of users detected in the user group, and a smaller value of the user sparsity indicates a larger number of users, i.e., a larger number of users. When the fan horizontally swings, the electric control board determines the horizontal swinging speed according to the user density of each user group, the smaller the user density is, the faster the horizontal swinging speed is, and otherwise, the slower the speed is. For example, in fig. 5, the user density of the angle FOG is greater than that of the angle COD, and the swinging speed of the fan swinging to pass through the angle FOG is less than that of the angle COD.
Specifically, the method may further include:
and according to the height of a user in the user group, when the fan horizontally swings to the angle range corresponding to the user group, the vertical swing of the fan is started at the same time.
Here, for a standing user, the whole body of the user can be made to catch wind by a combination of vertical swing and horizontal swing.
For a better understanding, the following is illustrated by the accompanying drawings:
as shown in fig. 6, in the vertical direction, MN is an angle reference line and is parallel to the front face of the fan, O is the origin of the vertical swing of the fan, and angle JOK is the limit position of the vertical swing of the fan.
The LI is a height range of the user in the vertical direction detected by the image detection component, and the LOI is a corresponding swing range in the vertical direction. The image detection part sends the detected data to the electric control board.
Specifically, the method for adjusting the vertical swing amplitude in the present embodiment may include the following two cases:
1. under the condition of a single user, the fan only swings in the vertical direction. As shown in fig. 7, the electric control board can sweep wind up and down according to the setting of a user, and the sweeping angle is less than COD. The direction of the wind can be from top to bottom, or from bottom to top, or from a certain position in the middle to repeatedly sweep. In the figure, a is a user group, and CDs are the top and bottom of the head of the highest user in the user group, respectively.
2. Under the multi-user condition, the fan swings in the vertical direction and the horizontal direction, and the specific swinging method can comprise three types:
2.1 multiple users are distributed individually. When a single user is supplied with wind, only the vertical direction swings, and the horizontal direction does not swing. When the neutral position between adjacent users swings, only swings in the horizontal direction, and does not swing in the vertical direction. Therefore, the fan swing locus of a single user is a vertical line, as shown in fig. 8, a and b in the figure are two user groups, CD is the top and bottom of the head of the highest user in the user group a, respectively, and EF is the top and bottom of the head of the highest user in the user group b, respectively.
2.2 the plurality of users are distributed in groups, namely a plurality of user groups. The vertical direction and the horizontal direction swing together, and when the air is supplied to a user group, the vertical direction swings fast, and the horizontal direction swings slowly. When the user group swings with the user group, the swing in the horizontal direction is fast, and the swing in the vertical direction is slow. Therefore, the fan swing locus of the user group is an oblique line, as shown in fig. 9, a and b in the figure are two user groups, CD is the top and bottom of the head of the highest user in the user group a, respectively, and EF is the top and bottom of the head of the highest user in the user group b, respectively.
2.3 a plurality of users are distributed in groups, namely a plurality of user groups are provided, and the number of the user groups is large, namely the density of the users is large. The vertical direction and the horizontal direction swing together, when the user groups send wind, the vertical direction swings fast, the horizontal direction swings very slowly, namely slower than 2.2, when the neutral position between the adjacent user groups swings, the horizontal direction swings fast, the vertical direction swings very slowly, namely slower than 2.2, therefore, the fan swing track of the user groups is in a V shape, as shown in fig. 10, a and b in the figure are two user groups, CD is the top of the head and the sole of the highest user in the user group a respectively, and EF is the top of the head and the sole of the highest user in the user group b respectively.
Here, it should be noted that fig. 7, 8, 9, and 10 are not completely front projection views, and in order to avoid the electric fan blocking the user, the electric fan is placed below the user, but is actually an oblique view, which is only schematic, and the specific description is based on the text description.
Example two
The embodiment provides an apparatus 300 for determining a fan blowing strategy, as shown in fig. 11, the apparatus includes an obtaining module 301 and a determining module 302; wherein the content of the first and second substances,
the acquiring module 301 is configured to acquire a distribution situation of a user relative to a fan;
the determining module 302 is configured to determine an air supply strategy of the fan according to the distribution condition.
In this embodiment, the obtaining module 301 is further configured to:
acquiring a first picture in the horizontal air supply range of the fan, and determining the number of the user groups and the positions of the user groups in the first picture;
and acquiring the distribution condition of the user relative to the fan according to the number of the user groups and the positions of the user groups in the first picture.
In this embodiment, the obtaining module 301 is further configured to:
acquiring a second picture in the vertical air supply range of the fan, and determining the positions of the heads or the legs of the users in the user group in the second picture;
and determining the height of the user in the user group according to the position of the head or the leg of the user in the user group in the second picture.
In this embodiment, the obtaining module 301 is further configured to:
and when the fan swings to the center aligned with the user group, controlling the image detection component to shoot the user group, and acquiring a second picture within the vertical air supply range of the fan.
In this embodiment, the determining module 302 is further configured to:
and when the number of the user groups is single, determining the horizontal swing angle of the fan according to the distance between the user groups and the fan, the initial horizontal swing angle when the fan is started and the wind speed attenuation factor.
In this embodiment, the determining module 302 is further configured to:
and when the number of the user groups is single, determining that the fan adjusts the horizontal swing center of the fan at a swing speed higher than a preset value according to the angle between the user groups and the horizontal swing center of the fan, and/or determining that the fan reduces the blowing amount in the process of adjusting the swing of the horizontal swing center of the fan.
In this embodiment, the determining module 302 is further configured to:
acquiring the distribution situation of a plurality of users through a first detection component;
and according to the distribution condition, adjusting the horizontal swinging speed of the fan through a horizontal swinging motor.
In this embodiment, the determining module 302 is further configured to:
and when the number of the user groups is multiple, determining that the fan passes through the gap at a swing speed higher than a preset value according to the angle value of the gap between the user groups in the swing direction.
In this embodiment, the determining module 302 is further configured to:
and according to the height of a user in the user group, when the fan horizontally swings to the angle range corresponding to the user group, the vertical swing of the fan is started at the same time.
The air supply device in the embodiment of the invention can be a device arranged in the intelligent fan, and can also be a device arranged in a cloud computer which is connected with and communicated with the intelligent fan.
In some embodiments, the air supply device according to the embodiments of the present invention may be configured to execute the air supply method described in the above embodiments, and certainly may also include a module configured to execute any flow and/or step in the air supply method described in the above embodiments, which is not described again for brevity.
The above description of the apparatus embodiments, similar to the above description of the method embodiments, has similar beneficial effects as the method embodiments. For technical details not disclosed in the embodiments of the apparatus according to the invention, reference is made to the description of the embodiments of the method according to the invention for understanding.
Each module included in the embodiment of the invention can be realized by a processor in the intelligent fan; of course, the control method can also be realized by a logic circuit in the intelligent fan; in implementation, the processor may be a Central Processing Unit (CPU), a Microprocessor (MPU), a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), or the like.
EXAMPLE III
The present embodiment provides a computer, as shown in fig. 12, the computer 500 includes: memory 501, communication bus 502, and processor 503, wherein:
the memory 501 is used for storing a method program for determining a fan air supply strategy;
the communication bus 502 is used for realizing connection communication between the memory and the processor;
the processor 503 is configured to execute a program of a method for determining a fan blowing strategy stored in the memory, so as to implement the steps of the method for determining a fan blowing strategy according to the first embodiment.
Specifically, the processor 503 may be a Reduced Instruction Set Computer (RISC) architecture based multi-core processor; the memory 501 may be a high capacity magnetic memory.
Specifically, the computer 500 may further include: a display 505 and an external communication interface 506, wherein:
the display 505 may be used to display the processing procedure and result of the processor, which is convenient for the staff of the computer to view.
The external communication interface 506 may be used to communicate with an external terminal including other computers or clients, and the external communication interface 506 may include a wired interface and a wireless interface.
The above description of the computer embodiment is similar to the description of the method embodiment described above, with similar beneficial effects as the method embodiment. For technical details not disclosed in the present embodiment, reference is made to the description of the method embodiment of the present invention for understanding.
Example four
The present embodiment provides a smart fan, as shown in fig. 13, the smart fan includes an electronic control board 71, a blower, an image detection component 73 and a horizontal swing motor 74, and both the image detection component 73 and the horizontal swing motor 74 are electrically connected to the electronic control board 71; wherein the content of the first and second substances,
and the fan is used for outputting preset air volume.
The preset air volume needs to be set according to a use scene, is not a protection range of the embodiment, and is not limited.
And the electric control board 71 is configured to send a control instruction according to a detection result of the image detection component 73, so as to control the movement of the horizontal swing motor 74. Specifically, the electronic control board 71 may be a single chip microcomputer, for example, a Micro Controller Unit (MCU).
The image detection component 73 is used for detecting the distribution situation of the user relative to the fan and sending the distribution situation to the electric control board.
And the horizontal swinging motor 74 is used for driving the fan to swing in the horizontal direction according to the control instruction of the electric control board.
The electronic control board 71 of the present embodiment corresponds to the computer of the third embodiment.
Specifically, the fan includes a fan motor 721 for driving the fan blade to rotate, and the fan motor 721 is electrically connected to the electric control board.
In this embodiment, the smart fan further includes a vertical swing motor 75. The vertical swing motor 75 is electrically connected to the electric control board 71
And the vertical swing motor 75 is used for driving the fan to swing in the vertical direction according to the control instruction of the electric control board.
Specifically, the horizontal swing motor 74 and the vertical swing motor 75 are both stepping motors.
Specifically, the image detection component 73 is also used for detecting the height of the user. The control part determines the air supply strategy of the fan through the combined movement of the horizontal swing motor 74 and the vertical swing motor 75 according to the measurement result of the image detection part 73.
More specifically, the image detection part 73 may be a digital camera. Images and videos shot by the digital camera are easier to process through computer equipment, and more accurate detection results are obtained.
Further, the intelligent fan further comprises a display screen 76, a button 77 and a buzzer 78, and the display screen 76, the button 77 and the buzzer 78 are all electrically connected with the electronic control board 71.
EXAMPLE five
The present embodiment provides a computer-readable storage medium, which stores an executable program that, when executed by a processor, implements the steps of the air supply method according to the first embodiment.
The computer readable storage medium may be a high capacity magnetic memory.
The above description of the computer-readable storage medium embodiments is similar to the description of the method embodiments described above, with similar beneficial effects as the method embodiments. For technical details not disclosed in the computer-readable storage medium of the present embodiment, please refer to the description of the method embodiment of the present invention for understanding.
It should be noted that, in this document, 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 an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
It should be noted that, unless otherwise specified and limited, the term "connected" in the description of the embodiments of the present invention is to be understood broadly, and for example, the term may be an electrical connection, a communication between two elements, a direct connection, or an indirect connection through an intermediate medium, and a specific meaning of the term may be understood by those skilled in the art according to specific situations.
It should be noted that, if the term "first \ second \ third" is referred to in the embodiments of the present invention, it is only to distinguish similar objects and does not represent a specific ordering for the objects, and it should be understood that "first \ second \ third" may be interchanged with a specific order or sequence as permitted.
It should be appreciated that reference throughout this specification to "one embodiment" or "some embodiments" means that a particular feature, structure or characteristic described in connection with the embodiments is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention. The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the modules is only one logical functional division, and there may be other division ways in actual implementation, such as: multiple modules or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or modules may be electrical, mechanical or other.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules; the network module can be located in one place or distributed on a plurality of network modules; some or all of the modules can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional modules in the embodiments of the present invention may be integrated into one processing module, or each functional module may be separately used as one module, or two or more functional modules may be integrated into one module; the integrated module can be realized in a hardware form, and can also be realized in a form of hardware and a software functional module.
Those of ordinary skill in the art will understand that: all or part of the steps for realizing the method embodiments can be completed by hardware related to program instructions, the program can be stored in a computer readable storage medium, and the program executes the steps comprising the method embodiments when executed; and the aforementioned storage medium includes: various media that can store program codes, such as a removable Memory device, a Read Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, and an optical disk.
Alternatively, the integrated module of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for enabling an electronic device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalents, improvements, etc. that are within the spirit and principle of the present invention should be included in the present invention.
Claims (14)
1. A method for determining a fan blowing strategy is characterized by comprising the following steps:
acquiring the distribution condition of a user relative to the fan;
determining an air supply strategy of the fan according to the distribution condition;
the air supply strategy of the fan comprises the following steps: the horizontal swing angle of the fan, the position of the horizontal swing center of the fan, the vertical swing angle of the fan, the horizontal swing speed of the fan and the vertical swing speed of the fan;
the distribution situation of the user relative to the fan comprises the following steps: the number of user groups, the distance between each user group and the fan, the angle between each user group and the horizontal swing center of the fan, and the angle of the gap between each user group in the horizontal swing direction of the fan;
the user group comprises at least one user, and when more than one user is in the same user group, the angle of the gap between the adjacent users in the horizontal swinging direction of the fan is smaller than a preset value.
2. The method of claim 1, wherein determining the blowing strategy of the fan according to the distribution comprises:
and when the number of the user groups is single, determining the horizontal swing angle of the fan according to the distance between the user groups and the fan, the initial horizontal swing angle when the fan is started and the wind speed attenuation factor.
3. The method of claim 1, wherein determining the blowing strategy of the fan according to the distribution comprises:
and when the number of the user groups is single, determining that the fan adjusts the horizontal swing center of the fan at a swing speed higher than a preset value according to the angle between the user groups and the horizontal swing center of the fan, and/or determining that the fan reduces the blowing amount in the process of adjusting the swing of the horizontal swing center of the fan.
4. The method of claim 1, wherein determining the blowing strategy of the fan according to the distribution comprises:
and when the number of the user groups is multiple, determining that the fan passes through the gap at a swing speed higher than a preset value according to the angle value of the gap between the user groups in the swing direction.
5. The method according to any one of claims 1 to 4, further comprising:
and according to the height of a user in the user group, when the fan horizontally swings to the angle range corresponding to the user group, the vertical swing of the fan is started at the same time.
6. The method according to any one of claims 1 to 4, wherein the acquiring of the distribution of the users relative to the fan comprises:
acquiring a first picture in the horizontal air supply range of the fan, and determining the number of the user groups and the positions of the user groups in the first picture;
and acquiring the distribution condition of the user relative to the fan according to the number of the user groups and the positions of the user groups in the first picture.
7. The method of claim 5, further comprising:
acquiring a second picture in the vertical air supply range of the fan, and determining the positions of the heads or the legs of the users in the user group in the second picture;
and determining the height of the user in the user group according to the position of the head or the leg of the user in the user group in the second picture.
8. The method of claim 7, wherein the obtaining a second picture of the range of the vertical supply air of the fan comprises:
and when the fan swings to the center aligned with the user group, controlling the image detection component to shoot the user group, and acquiring a second picture within the vertical air supply range of the fan.
9. The method of claim 5, further comprising:
when the number of the user groups is multiple, determining that the fan adopts different horizontal swinging speeds for the user groups in the horizontal swinging process according to the density of the user groups;
the density of the user group is the ratio of the number of the users of the user group to the angle of the user group in the horizontal swinging direction of the fan.
10. The device for determining the air supply strategy of the fan is characterized by comprising an acquisition module and a determination module; wherein the content of the first and second substances,
the acquisition module is used for acquiring the distribution condition of a user relative to the fan;
and the determining module is used for determining the air supply strategy of the fan according to the distribution condition.
11. A computer, characterized in that the computer comprises: a memory, a communication bus, and a processor, wherein:
the memory is used for storing a method program for determining a fan air supply strategy;
the communication bus is used for realizing connection communication between the memory and the processor;
the processor is configured to execute an air supply method program stored in the memory to implement the steps of the method for determining a fan air supply strategy according to any one of claims 1 to 9.
12. The intelligent fan is characterized by comprising a fan, an image detection component, an electric control board and a horizontal swinging motor; wherein the content of the first and second substances,
the fan is used for outputting preset air volume;
the image detection component is used for detecting the distribution condition of a user relative to the fan and sending the distribution condition to the electric control board;
the electric control board is used for sending a control instruction according to the detection result of the image detection component and controlling the motion of the horizontal swinging motor;
and the horizontal swinging motor is used for driving the fan to swing in the horizontal direction according to the control instruction of the electric control board.
13. The smart fan of claim 12 further comprising a vertical swing motor;
and the vertical swing motor is used for driving the fan to swing in the vertical direction according to the control instruction of the electric control board.
14. A computer-readable storage medium, having stored thereon an executable program which, when executed by a processor, performs the steps of the method of determining a fan supply strategy of any of claims 1 to 9.
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