CN111963473B - Fan control method and device and fan - Google Patents
Fan control method and device and fan Download PDFInfo
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- CN111963473B CN111963473B CN202010883206.9A CN202010883206A CN111963473B CN 111963473 B CN111963473 B CN 111963473B CN 202010883206 A CN202010883206 A CN 202010883206A CN 111963473 B CN111963473 B CN 111963473B
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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
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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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
Abstract
The invention provides a fan control method, a fan control device and a fan, wherein the method comprises the following steps: acquiring the distance between a target object and a fan within a preset range, and judging whether the number of the target objects is multiple or not; when the number of the target objects is multiple, determining a first target object closest to the fan according to the sequencing result of the distances from small to large; controlling a first grating of which the air outlet on the fan is consistent with the position direction of a first target object to be completely opened according to the maximum opening area of the grating; and respectively controlling the opening of the grating parts on the fan, which are consistent with the positions and the directions of other target objects, according to the relationship between the first distance between the first target object and the fan and the distances between the other target objects and the fan. The multi-target multi-angle simultaneous air supply and cooling function is achieved, the opening areas of the grids at different positions are adjusted according to the distance between the target object and the fan, the air output of the grids is automatically adjusted to ensure the comfort degree of the target object at different distances, and user experience is enhanced.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a fan control method and device and a fan.
Background
With the progress of science and technology and the improvement of living standard, fans of temperature adjusting devices, tower fans and the like are widely used by people. According to prior art, in the use, the fan only can cool down one person or a plurality of people in same region, when a plurality of people are in different angles, only can shake the head through the fan and realize many people's cooling, nevertheless can't realize keeping on cooling to many people of different angles, can't overall compromise the user that is in different regions, influence user's use and experience.
Disclosure of Invention
In view of this, embodiments of the present invention provide a fan control method, a fan control device, and a fan to overcome a problem that a user experience is affected due to the fact that users in different areas cannot be considered comprehensively by the fan control method in the prior art.
According to a first aspect, an embodiment of the present invention provides a fan control method, where the fan includes a plurality of openable grilles, the grilles form an air outlet of the fan when opened, and the orientations of the air outlets formed by the grilles are different; the control method of the fan comprises the following steps:
acquiring the distance between a target object and the fan within a preset range, and judging whether the number of the target objects is multiple or not;
when the number of the target objects is multiple, determining a first target object closest to the fan according to the sorting result of the distances from small to large;
controlling a first grating on the fan, which is consistent with the position direction of the first target object, to be completely opened according to the maximum opening area of the grating;
and respectively controlling the opening of the grating parts on the fan, which are consistent with the positions and the directions of other target objects, according to the relationship between the first distance between the first target object and the fan and the distances between other target objects and the fan.
Optionally, the controlling, according to a relationship between a first distance between the first target object and the fan and a distance between another target object and the fan, the opening of the grille portions on the fan, which are consistent with the positions and directions of the other target objects, includes:
acquiring a second distance between the current target object and the fan;
calculating a ratio of the first distance to the second distance;
determining the current opening area according to the maximum opening area of the grating and the ratio;
and controlling the grille which is consistent with the position direction of the current target object on the fan to be opened according to the current opening area part.
Optionally, the fan control method further includes:
determining a first rotating speed of a fan in the fan according to a preset wind speed requirement and the first distance;
acquiring the current opening number of the grids, and determining a second rotating speed of the fan according to the current opening number of the grids and the first rotating speed;
and controlling the fan to start according to the second rotating speed.
Optionally, the determining a second rotation speed of the fan according to the current turning-on number and the first rotation speed includes: calculating the second rotation speed by the following formula:
V2＝NV1，
wherein, V2Indicating a second speed of rotation, V1Representing the first rotation speed and N representing the current opening number of the grille.
Optionally, the fan control method further includes:
and when the number of the target objects is one, determining the target objects as the first target objects, and controlling the fan to start according to the first rotating speed.
Optionally, the fan control method further includes:
monitoring whether a new target object exists in the preset range;
when a new target object is monitored to be in the preset range, acquiring a third distance between the new target object and the fan, and judging whether the third distance is greater than the first distance;
and when the third distance is greater than the first distance, controlling the opening of a grid part on the fan, which is consistent with the position direction of the new target object, according to the relationship between the first distance and the third distance.
Optionally, when the third distance is not greater than the first distance, updating the new target object to the first target object, and returning to the step of controlling the first grille on the fan, which is consistent with the position direction of the first target object, to be fully opened according to the maximum grille opening area.
According to a second aspect, an embodiment of the present invention provides a fan control device, where the fan includes a plurality of openable grilles, the grilles form an air outlet of the fan when opened, and the orientations of the air outlets formed by the grilles are different; the control device of the fan comprises:
the acquisition module is used for acquiring the distance between a target object and the fan within a preset range and judging whether the number of the target objects is multiple or not;
the determining module is used for determining a first target object closest to the fan according to a sorting result of the distances from small to large when the number of the target objects is multiple;
the first control module is used for controlling a first grating on the fan, which is consistent with the position and the direction of the first target object, to be completely opened according to the maximum opening area of the grating;
and the second control module is used for respectively controlling the opening of the grid part on the fan, which is consistent with the position and the direction of other target objects, according to the relationship between the first distance between the first target object and the fan and the distances between the other target objects and the fan.
According to a third aspect, an embodiment of the present invention provides a fan, including:
the grille is opened to form an air outlet of the fan, and the air outlets formed by the grille are different in orientation;
the signal acquisition equipment is used for acquiring the distance between a target object and the fan within a preset range;
a controller, the controller comprising: a memory communicatively coupled to the processor, the memory having stored therein computer instructions, and the processor performing the method of the first aspect, or any one of its alternative embodiments, by executing the computer instructions.
According to a fourth aspect, an embodiment of the present invention provides a computer-readable storage medium storing computer instructions for causing a computer to perform the method of the first aspect, or any one of its alternative embodiments.
The technical scheme of the invention has the following advantages:
the fan control method and the device provided by the embodiment of the invention have the advantages that the fan comprises a plurality of openable grids, the air outlets of the fan are formed when the grids are opened, the orientations of the air outlets formed by the grids are different, the fan control method determines a target object closest to the fan according to the distance relationship between all target objects and the fan when the target objects are a plurality of, controls the grids with the air outlets on the fan and the position direction of the target object consistent to be completely opened, and respectively controls the grids with the air outlets on the fan and other target objects with the position direction consistent to be partially opened, thereby realizing the multi-target multi-angle simultaneous air supply and cooling functions, and adjusts the opening areas of the grids at different positions according to the distance between the target object and the fan, and further automatically adjusts the air output of different grids to ensure the comfort of the target objects at different distances, the user experience is enhanced.
The fan provided by the embodiment of the invention comprises: the grille is opened to form an air outlet of the fan, and the air outlets formed by the plurality of grills are different in orientation; the signal acquisition equipment is used for acquiring the distance between a target object and the fan within a preset range; and the controller is used for controlling the opening of the grille on the fan according to the distance between the target object and the fan. Thereby realize the automatic control to each grid on the fan and open the mode, realized the function of multi-target multi-angle simultaneous air supply cooling to according to the opening area of the different position grids of distance regulation between target object and the fan, and then the air output of automatically regulated different grids is in order to guarantee the comfort level of the target object of different distances, has strengthened user experience.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a fan according to an embodiment of the present invention;
FIG. 2 is a flow chart of a fan control method according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a fan control apparatus according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of another fan according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
With the progress of science and technology and the improvement of living standard, fans of temperature adjusting devices, tower fans and the like are widely used by people. According to prior art, in the use, the fan only can cool down one person or a plurality of people in same region, when a plurality of people are in different angles, only can shake the head through the fan and realize many people's cooling, nevertheless can't realize keeping on cooling to many people of different angles, can't overall compromise the user that is in different regions, influence user's use and experience.
In view of the above problem, an embodiment of the present invention provides a fan, as shown in fig. 1, including: the air conditioner comprises a plurality of openable grilles 1, wherein the grilles 1 form air outlets of a fan when opened, and the air outlets formed by the grilles 1 are different in orientation; the signal acquisition equipment 2 is used for acquiring the distance between a target object and the fan within a preset range; and the controller 3 is used for controlling the opening and closing of each grid 1 on the fan according to the distance between the target object acquired by the signal acquisition equipment 2 and the fan. It should be noted that, in the embodiment of the present invention, a cylindrical fan is taken as an example for description, a plurality of openable grills 1 are uniformly arranged on the cylindrical fan around the circumference, in practical applications, the specific number and the arrangement position of the grills 1 may be arranged according to the shape and the requirement of the fan, and the present invention is not limited thereto.
Specifically, the signal acquisition device 2 may be an infrared sensor, and the infrared sensor monitors whether a user appears in a preset range of the fan, obtains a distance signal between the human body and the fan when the infrared sensor detects the human body, and sends the distance signal to the controller 3 for corresponding processing.
Specifically, in an embodiment, as shown in fig. 1, the fan further includes: fan 4, shell 5 and drive assembly 6, the effect of this fan 4 is the rotational speed of adjusting the fan blade in the fan, adjusts the wind speed of fan promptly, and the effect of this shell 5 is for hiding the fan blade in the fan to spare part inside the fan provides the support. The driving component 6 is used for driving the grating to move, and the grating is opened and closed. In practical application, the driving assembly may be composed of a motor and a gear, the grille 1 is provided with a tooth socket (not shown in fig. 1) engaged with the gear, and the motor drives the gear to rotate through forward or reverse rotation, so as to realize left and right movement of the grille 1 and further control the grille 1 to open or close. It should be noted that the driving assembly 6 may also be in other forms in the prior art as long as the grating 1 can be moved, and the invention is not limited thereto.
Through the above-mentioned cooperative cooperation of each component, the fan provided by the embodiment of the present invention includes: the grille is opened to form an air outlet of the fan, and the air outlets formed by the grille are different in orientation; the signal acquisition equipment is used for acquiring the distance between a target object and the fan within a preset range; and the controller is used for controlling the opening of the grille on the fan according to the distance between the target object and the fan. Thereby realize the automatic control to each grid on the fan and open the mode, realized the function of multi-target multi-angle simultaneous air supply cooling to according to the opening area of the different position grids of distance regulation between target object and the fan, and then the air output of automatically regulated different grids is in order to guarantee the comfort level of the target object of different distances, has strengthened user experience.
An embodiment of the present invention further provides a fan control method, which is applied to a controller in a fan shown in fig. 1, and as shown in fig. 2, the fan control method specifically includes the following steps:
step S101: and acquiring the distance between the target objects and the fan within a preset range, and judging whether the number of the target objects is multiple or not. In practical application, whether a person (i.e., a target object) appears in a preset range of an area where the fan is located can be monitored through an infrared sensor arranged on the fan according to a preset time period, that is, a monitoring result is updated every other preset time period, so that the situation that the grid and the wind speed of the fan are frequently regulated and controlled by the target object in the preset range to influence the service life of the fan is avoided. If the target object exists, the distance between the person and the fan is acquired, and then the controller judges whether a plurality of target objects exist in the preset range of the current time period according to the number of the received distance signals.
Step S102: and when the number of the target objects is multiple, determining the first target object closest to the fan according to the sequencing result of the distances from small to large. Specifically, if a plurality of target objects exist around the fan, the fan needs to provide an air supply and cooling service for the plurality of target objects simultaneously to improve the use experience of each user, and since the closer to the fan, the stronger the experience on the fan speed, in the embodiment of the present invention, in order to comprehensively consider all target objects, the user closest to the fan is first used as a reference, and on this basis, the air supply service is provided for all target objects.
Step S103: and controlling the air outlet on the fan to be completely opened according to the maximum opening area of the grating, wherein the direction of the first grating is consistent with that of the first target object. In practical application, because the larger the area of the air outlet at the same distance, the larger the wind force felt by the target object, in order to guarantee the user experience of all the target objects, the grid in the position direction of the target object closest to the target object is completely opened according to the maximum opening area of the grid, so as to reduce the wind force felt by the grid.
Step S104: and respectively controlling the opening of the grating parts on the fan, which are consistent with the positions and the directions of other target objects, according to the relationship between the first distance between the first target object and the fan and the distances between the other target objects and the fan.
Specifically, in an embodiment, for any other target object, the step S104 specifically includes the following steps:
step S201: and acquiring a second distance between the current target object and the fan.
Step S202: a ratio of the first distance to the second distance is calculated.
Step S203: and determining the current opening area according to the maximum opening area of the grating and the ratio. Specifically, the current opening area is obtained by multiplying the maximum opening area of the grille by the ratio, that is, the opening area of the grille is inversely proportional to the distance between the target object and the fan.
Step S204: and controlling the grille which is consistent with the position direction of the current target object on the fan to be opened according to the current opening area part. In practical application, under the condition that the air outlets are the same, the wind force sensed by the air outlets at a farther distance is smaller, so that in order to guarantee user experience of all target objects, the grid parts corresponding to the positions of the target objects except the position closest to the fan are opened, and the fact that the wind forces sensed by all the target objects are close is guaranteed.
Specifically, in an embodiment, in order to further improve the user experience and enable the user to be in the most comfortable wind speed under the condition that the wind experience of all target objects is guaranteed, the fan control method provided by the embodiment of the present invention further includes the following steps:
step S301: and determining a first rotating speed of a fan in the fan according to the preset wind speed requirement and the first distance. In practical applications, the preset wind speed requirement is a wind speed value that a user expects to feel when the fan blows air, that is, a wind speed felt at a position where the target object is located, assuming that the wind speed is X, according to a first distance between the first target object and the fan, the fan in the prior art can be used to blow air to the user, and a corresponding fan rotation speed can be directly obtained when the wind speed felt at the first distance from the fan is X, and the detailed calculation process refers to related descriptions in the prior art and is not described herein again.
Step S302: and acquiring the current opening number of the grids, and determining a second rotating speed of the fan according to the current opening number of the grids and the first rotating speed.
Specifically, in one embodiment, the second rotational speed is calculated by the following equation:
V2＝NV1，
wherein, V2Indicating a second speed of rotation, V1Representing the first rotation speed and N representing the current opening number of the grille.
Step S303: and controlling the fan to start according to the second rotating speed.
Specifically, the fan provided by the embodiment of the invention is different from a fan with only one fixed air outlet in the prior art, the fan is provided with a plurality of air outlets, the number of the air outlets is increased, the air output of each air outlet is reduced under the condition that the rotating speed of the fan is constant, and the wind power felt by a target object is reduced. In practical application, the rotating speed of the fan needs to be adjusted within a certain range, otherwise, the service lives of the whole fan and the fan are affected.
Specifically, in an embodiment, the fan control method further includes the following steps:
and when the number of the target objects is one, determining the target objects as first target objects, and controlling the fan to start according to a first rotating speed. In practical application, if there is only one target object within the preset range of the fan, the control method of the fan is similar to that of the fan in the prior art, the grille corresponding to the position and direction of the target object on the fan is controlled to be fully opened to supply air to the user, and the preset air speed requirement of the user is ensured, that is, the fan is controlled to operate at the first rotation speed, the specific process is similar to that described in the above embodiment, and details are not repeated here.
Specifically, in an embodiment, the fan control method further includes the following steps:
step S401: and monitoring whether a new target object exists in a preset range. In practical applications, users in the fan blowing range are dynamically changed, for example: a new user enters a room where the fan is located, so that a target object within a preset range needs to be monitored in real time, and the control of the fan needs to be adjusted correspondingly, so as to improve air supply service for all target objects. It should be noted that, in practical application, it is further detected whether an original target object leaves the preset range, if the original target object leaves, the grille corresponding to the position direction of the target object is correspondingly closed, and the process returns to the step S101 again to correspondingly adjust the control mode of the fan. Of course, in order to reduce the frequent operation of the fan, the monitoring may be performed according to a preset time period, the preset time period may be adjusted according to actual needs, and the preset time period is used as an adjustment cycle of the fan control to periodically control the fan. The invention is not limited thereto.
Step S402: and when a new target object is monitored to be in the preset range, acquiring a third distance between the new target object and the fan, and judging whether the third distance is greater than the first distance. If a new target object exists, firstly, whether the new target object is the target object closest to the fan or not needs to be judged, if not, the step S403 is executed, the control process of the whole fan refers to the control process of the other target objects, only the grid part corresponding to the new target object needs to be opened, the rotating speed of the fan needs to be correspondingly adjusted, and the opening areas of the other grids do not need to be adjusted. If so, the new target object needs to be used as a reference object for controlling the fan, and the new target object needs to be updated to the first target object, and the process returns to the step S103, all the control processes of the fan are readjusted, and the opening area of each grid is readjusted.
Step S403: and when the third distance is greater than the first distance, controlling the opening of the grid part on the fan, which is consistent with the position direction of the new target object, according to the relationship between the first distance and the third distance. The specific process is similar to the implementation process of step S104, and is not described herein again.
By executing the steps, the fan control method provided by the embodiment of the invention comprises a plurality of openable grilles, wherein the grilles form an air outlet of the fan when opened, and the orientations of the air outlets formed by the grilles are different, the fan control method determines a target object closest to the fan according to the distance relationship between all target objects and the fan when a plurality of target objects are provided, controls the grilles with the air outlets on the fan in the same direction as the position of the target object to be completely opened, and respectively controls the grilles with the air outlets on the fan in the same direction as the position of other target objects to be partially opened, thereby realizing the multi-target multi-angle simultaneous air supply and cooling functions, and adjusting the opening areas of the grilles in different positions according to the distances between the target objects and the fan, and then the air output of different grids is automatically adjusted to ensure the comfort of target objects with different distances, and the user experience is enhanced.
The fan control method provided by the embodiment of the invention will be described in detail below with reference to specific application examples.
After a user starts the fan, the infrared sensor scans whether a user exists in a range with the body as a round point and the radius of 3m, if only one user signal is scanned, the main board sends a signal, the motor is started, the grid is driven to move to the maximum angle, then the fan is started, and the rotating speed is adjusted to enable the wind speed of the user to be a fixed value X.
If a plurality of user signals are scanned when the computer is started, the mainboard receives the user distance signals, selects the nearest user as the user number 1, starts the motor, drives the grating to move to the maximum angle, then starts the fan, adjusts the rotating speed and starts cooling all the users.
Then scanning a user number 2, starting a motor, and driving the grille part in the direction to open, wherein the grille opening area ratio is inversely proportional to the distance ratio between the two users and the fan; the rotating speed of the fan is doubled, and the two users can feel the same wind speed basically.
If only user number 1 is needed when the machine is started, user number 2 is newly added in the using process, the distance between the two users and the fan is scanned and compared, if the distance between the user number 2 and the fan is larger than that of the user number 1, the direction grid part of the user number 2 is opened, the rotating speed of the fan is doubled, and the direction grid of the user number 1 is unchanged. If the distance between the user No. 2 and the fan is smaller than that between the user No. 1, the direction grating of the user No. 2 is opened to the maximum, the direction grating part of the user No. 1 is closed, and the rotating speed of the fan is adjusted. Specifically, the fixed value X may be selected by a user at the time of initial use, or may be default to a factory setting.
By utilizing the fan and the control method thereof provided by the embodiment of the invention, the number, the position and the human body temperature around the fan can be detected, the opening and closing angle of the grille can be intelligently adjusted according to the detection result, the air volume can be adjusted, the function of cooling by multiple people at multiple angles can be realized, meanwhile, the air volume can be intelligently adjusted according to the opening and closing size of the grille, and the use comfort of users can be ensured.
The embodiment of the invention also provides a fan control device, wherein the fan comprises a plurality of openable grids, the grids form an air outlet of the fan when being opened, and the orientations of the air outlets formed by the grids are different; as shown in fig. 3, the control device of the fan includes:
the obtaining module 101 is configured to obtain a distance between a target object and a fan within a preset range, and determine whether the number of the target objects is multiple. For details, refer to the related description of step S101 in the above method embodiment, and no further description is provided here.
The determining module 102 is configured to determine, according to a sorting result of distances from small to large, a first target object closest to the fan when the number of the target objects is multiple. For details, refer to the related description of step S102 in the above method embodiment, and no further description is provided here.
And the first control module 103 is used for controlling the first grille which is consistent with the position direction of the first target object on the fan to be completely opened according to the maximum opening area of the grille. For details, refer to the related description of step S103 in the above method embodiment, and no further description is provided here.
And the second control module 104 is configured to respectively control the opening of the grille part on the fan, which is consistent with the position and direction of the other target object, according to the relationship between the first distance between the first target object and the fan and the distances between the other target objects and the fan. For details, refer to the related description of step S104 in the above method embodiment, and no further description is provided here.
The fan control device provided in the embodiment of the present invention is configured to execute the fan control method provided in the above embodiment, and the implementation manner and the principle thereof are the same, and details are referred to the related description of the above method embodiment and are not repeated.
Through the cooperative cooperation of the above components, the fan control device provided by the embodiment of the invention comprises a plurality of openable grilles, when the grilles are opened, the air outlet of the fan is formed, and the orientations of the air outlets formed by the grilles are different, the fan control method determines the target object closest to the fan by acquiring the distance between the target object and the fan in the preset range and according to the distance relationship between all the target objects and the fan when a plurality of target objects are provided, controls the grilles with the air outlet on the fan consistent with the position direction of the target object to be completely opened, and respectively controls the grilles with the air outlet on the fan consistent with the position direction of other target objects to be partially opened, thereby realizing the multi-target multi-angle simultaneous air supply and cooling functions, and adjusting the opening areas of the grilles at different positions according to the distance between the target object and the fan, and then the air output of different grids is automatically adjusted to ensure the comfort of target objects with different distances, and the user experience is enhanced.
Fig. 4 shows another fan according to an embodiment of the present invention, as shown in fig. 4, the fan includes: a controller 3 as shown in fig. 1, the controller 3 comprising: a processor 901 and a memory 902, wherein the processor 901 and the memory 902 may be connected by a bus or by other means, and fig. 4 illustrates an example of a connection by a bus.
The memory 902, which is a non-transitory computer-readable storage medium, may be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as program instructions/modules corresponding to the methods in the above-described method embodiments. The processor 901 executes various functional applications and data processing of the processor by executing non-transitory software programs, instructions and modules stored in the memory 902, that is, implements the methods in the above-described method embodiments.
The memory 902 may include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created by the processor 901, and the like. Further, the memory 902 may include high speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device. In some embodiments, the memory 902 may optionally include memory located remotely from the processor 901, which may be connected to the processor 901 via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
One or more modules are stored in the memory 902, which when executed by the processor 901 performs the methods in the above-described method embodiments.
The specific details of the electronic device may be understood by referring to the corresponding related descriptions and effects in the above method embodiments, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, and the implemented program can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic Disk, an optical Disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a Flash Memory (Flash Memory), a Hard Disk (Hard Disk Drive, abbreviated as HDD) or a Solid State Drive (SSD), etc.; the storage medium may also comprise a combination of memories of the kind described above.
Although the embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (9)
1. A fan control method is characterized in that the fan comprises a plurality of openable grilles, the grilles form an air outlet of the fan when opened, and the orientations of the air outlets formed by the grilles are different; the control method of the fan comprises the following steps:
acquiring the distance between a target object and the fan within a preset range, and judging whether the number of the target objects is multiple or not;
when the number of the target objects is multiple, determining a first target object closest to the fan according to the sorting result of the distances from small to large;
controlling a first grating of which the air outlet on the fan is consistent with the position direction of the first target object to be completely opened according to the maximum opening area of the grating;
respectively controlling the opening of the grating parts on the fan, which are consistent with the positions and the directions of other target objects, according to the relation between the first distance between the first target object and the fan and the distances between the other target objects and the fan;
the controlling the opening of the grille part consistent with the position and the direction of other target objects on the fan according to the relationship between the first distance between the first target object and the fan and the distance between other target objects and the fan comprises:
acquiring a second distance between the current target object and the fan;
calculating a ratio of the first distance to the second distance;
determining the current opening area according to the maximum opening area of the grating and the ratio;
and controlling the grille which is consistent with the position direction of the current target object on the fan to be opened according to the current opening area part.
2. The method of claim 1, further comprising:
determining a first rotating speed of a fan in the fan according to a preset wind speed requirement and the first distance;
acquiring the current opening number of the grids, and determining a second rotating speed of the fan according to the current opening number of the grids and the first rotating speed;
and controlling the fan to start according to the second rotating speed.
3. The method of claim 2, wherein determining a second speed of the fan based on the current turn-on number and the first speed comprises: calculating the second rotation speed by the following formula:
V2＝NV1，
wherein, V2Indicating a second speed of rotation, V1Indicating a first rotation speed, N indicating the speed of the gridThe front opening number.
4. The method of claim 2, further comprising:
and when the number of the target objects is one, determining the target objects as the first target objects, and controlling the fan to start according to the first rotating speed.
5. The method of claim 1, further comprising:
monitoring whether a new target object exists in the preset range;
when a new target object is monitored to be in the preset range, acquiring a third distance between the new target object and the fan, and judging whether the third distance is greater than the first distance;
and when the third distance is greater than the first distance, controlling the opening of a grid part on the fan, which is consistent with the position direction of the new target object, according to the relationship between the first distance and the third distance.
6. The method of claim 5,
and when the third distance is not more than the first distance, updating the new target object to be the first target object, and returning to the step of controlling the first grille on the fan, which is consistent with the position direction of the first target object, to be completely opened according to the maximum opening area of the grille.
7. A fan control device is characterized in that the fan comprises a plurality of open-close grilles, the grilles form an air outlet of the fan when being opened, and the orientations of the air outlets formed by the grilles are different; the control device of the fan comprises:
the acquisition module is used for acquiring the distance between a target object and the fan within a preset range and judging whether the number of the target objects is multiple or not;
the determining module is used for determining a first target object closest to the fan according to a sorting result of the distances from small to large when the number of the target objects is multiple;
the first control module is used for controlling a first grating on the fan, which is consistent with the position and the direction of the first target object, to be completely opened according to the maximum opening area of the grating;
the second control module is used for respectively controlling the opening of the grating part on the fan, which is consistent with the position and the direction of other target objects, according to the relationship between the first distance between the first target object and the fan and the distances between the other target objects and the fan; the controlling the opening of the grille part consistent with the position and the direction of other target objects on the fan according to the relationship between the first distance between the first target object and the fan and the distance between other target objects and the fan comprises: acquiring a second distance between the current target object and the fan; calculating a ratio of the first distance to the second distance; determining the current opening area according to the maximum opening area of the grating and the ratio; and controlling the grille which is consistent with the position direction of the current target object on the fan to be opened according to the current opening area part.
8. A fan, comprising:
the grille is opened to form an air outlet of the fan, and the air outlets formed by the grille are different in orientation;
the signal acquisition equipment is used for acquiring the distance between a target object and the fan within a preset range;
a controller, the controller comprising: a memory and a processor communicatively coupled to each other, the memory having stored therein computer instructions, the processor executing the computer instructions to perform the method of any of claims 1-6.
9. A computer-readable storage medium having stored thereon computer instructions for causing a computer to thereby perform the method of any one of claims 1-6.
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| CN114370421B (en) * | 2021-12-10 | 2024-03-15 | 珠海格力电器股份有限公司 | Control method and device of air supply equipment, air supply equipment and electronic equipment |
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