CN113123989A - Fan and control method thereof - Google Patents
Fan and control method thereof Download PDFInfo
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- CN113123989A CN113123989A CN202110411463.7A CN202110411463A CN113123989A CN 113123989 A CN113123989 A CN 113123989A CN 202110411463 A CN202110411463 A CN 202110411463A CN 113123989 A CN113123989 A CN 113123989A
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000001914 filtration Methods 0.000 claims abstract description 74
- 238000009434 installation Methods 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 35
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- 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
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application provides a fan and a control method thereof, and the fan comprises a fan, a filtering part and a detection control part, wherein the fan can drive gas to flow along a flow path, and the installation position of the filtering part is positioned on the flow path; when the gas driven by the fan is filtered, the filtering part is arranged on the installation position, and the detection control part is used for acquiring the information of the filtering part on the installation position and controlling the fan to operate at a corresponding preset rotating speed based on the acquired information. The fan and the control method thereof can improve the stability of the air output of the fan and improve the use experience of a user.
Description
Technical Field
The application belongs to the technical field of electrical equipment, and particularly relates to a fan and a control method thereof.
Background
Nowadays the fan tends to integrate the development, and current fan has newly-increased filtering capability, and filtering capability need realize through the assembly filter screen, nevertheless behind the installation filter screen, the air output of fan can change because the windage of filter screen appears, leads to the air output difference around the installation filter screen, has reduced user's use and has experienced.
Disclosure of Invention
Therefore, an object of the present invention is to provide a fan and a control method thereof, which can improve stability of an air output of the fan and improve user experience.
In order to solve the above problems, the present application provides a fan, including a fan, a filter part, and a detection control part, where the fan can drive air to flow along a flow path, and an installation position of the filter part is located on the flow path; when the gas driven by the fan is filtered, the filtering part is arranged on the installation position, and the detection control part is used for acquiring the information of the filtering part on the installation position and controlling the fan to operate at a corresponding preset rotating speed based on the acquired information.
Optionally, the filter house includes the filtration piece that two at least windage differences are right when the gas that the fan drove filters, at least one filter and can set up with dismantling on the mounted position, detection control division is used for acquireing on the mounted position filter the information of piece to based on the information control that acquires the fan is with the operation of corresponding predetermined rotational speed.
Optionally, be provided with identification information on the filtration piece, the windage is different filter piece on identification information is different, detection control portion is used for acquireing on the mounted position filter piece's identification information to based on the identification information control that acquires the fan is with the operation of the corresponding rotational speed of predetermineeing.
Optionally, the filter house includes first filter and second filter piece at least, the windage of first filter piece with the windage of second filter piece is different, be provided with first sign on the first filter piece, be provided with the second sign on the second filter piece, be provided with first identification position and second identification position on the detection control portion, work as first filter piece sets up during the mounted position, first sign with first identification position meets, works as the second filter piece sets up during the mounted position, the second sign with second identification position meets.
Optionally, the first identifier includes a first protrusion, the first identification position includes a first groove, a first switch is disposed in the first groove, and when the first filter element is disposed in the installation position, the first protrusion is inserted into the first groove and triggers the first switch;
the second sign includes the second arch, second identification position includes the second recess, be provided with the second switch in the second recess, work as the second filters the piece setting and is in when the mounted position, the protruding insertion of second is in the second recess, and triggers the second switch.
Optionally, the filter house still includes the third and strains the piece, the third strain the windage of piece the windage of first filtration piece and the windage of second filtration piece is all different, be provided with the third sign on the third filtration piece, be provided with the third identification position on the detection control part, work as the third filters the piece setting and is in during the mounted position, the third sign with the third identification position meets.
Optionally, the third identifier includes a third protrusion, the third identification position includes a third groove, a third switch is disposed in the third groove, and when the third filter is disposed at the installation position, the third protrusion is inserted into the third groove and triggers the third switch.
Optionally, the first filter element, the second filter element and the third filter element can be selectively arranged in the installation position.
Optionally, the fan includes the casing, the fan sets up in the casing, be provided with the mounting groove in order to form on the casing the mounted position, the mounting groove includes first boss, first filter the piece the second filter with the third filter all is provided with the second boss, works as first filter or the second filter or the third filter inserts when in the mounting groove, first boss with the second boss sets up relatively, first identification position the second identification position with the third identification position sets up on the first boss, first sign the second sign with the third sign sets up on the second boss.
Optionally, the number of the first bosses is two, the two first bosses are respectively arranged on two opposite sides of the mounting groove, the two first bosses are respectively provided with the first identification position, the second identification position and the third identification position, a distance between the two first identification positions is x, a distance between the two second identification positions is y, and a distance between the two third identification positions is z;
the first filter element is provided with two second bosses, the two second bosses are arranged in one-to-one correspondence with the two first bosses, the two second bosses are provided with first marks, the distance between the two first marks is x, the second filter element is provided with two second bosses, the two second bosses are arranged in one-to-one correspondence with the two first bosses, the two second bosses are provided with second marks, the distance between the two second marks is y, the third filter element is provided with two second bosses, the two second bosses are arranged in one-to-one correspondence with the two first bosses, the two second bosses are provided with third marks, and the distance between the two third marks is z;
x＜y＜z。
optionally, the windage of first filtration piece the windage of second filtration piece with the windage of third filtration piece risees in proper order, first filtration piece corresponds the first rotational speed interval of predetermineeing of fan, the second filtration piece corresponds the rotational speed interval is predetermine to the second of fan, the third filtration piece corresponds the rotational speed interval is predetermine to the third of fan, the second is predetermine the maximum rotational speed in the rotational speed interval and is greater than the first maximum rotational speed of predetermineeing in the rotational speed interval, the maximum rotational speed of predetermineeing in the rotational speed interval of third is greater than the second is predetermine the maximum rotational speed of rotational speed interval.
Optionally, when the filtering portion is not disposed at the mounting position, the detection control portion controls the fan to operate at a rotation speed within a fourth preset rotation speed interval, and the maximum rotation speed within the fourth preset rotation speed interval is smaller than the maximum rotation speed within the first preset rotation speed interval.
Optionally, at least two wind speed gears are arranged in the first preset rotating speed interval, the second preset rotating speed interval, the third preset rotating speed interval and the fourth preset rotating speed interval.
Optionally, the detection control portion includes an image acquisition unit, and the detection control portion is configured to acquire the image identification information of the filter element at the installation position, and control the fan to operate at a corresponding preset rotation speed based on the acquired image identification information.
In another aspect of the present application, a fan control method is provided for controlling the fan as described above.
Optionally, the fan control method includes acquiring information of the filter element at the installation position when the filter portion includes at least two filter elements with different windage resistances, and controlling the fan to operate at a corresponding preset rotation speed based on the acquired information.
Optionally, when the identification information of the first identifier is acquired, the fan is controlled to operate at a rotating speed within a first preset rotating speed interval; when the identification information of the second identification is acquired, controlling the fan to operate at the rotating speed within a second preset rotating speed interval; when the identification information of the third identification is acquired, controlling the fan to operate at the rotating speed within a third preset rotating speed interval; and when the identification information is not acquired, controlling the fan to operate at the rotating speed within the fourth preset rotating speed interval.
Advantageous effects
The fan and the control method thereof provided by the embodiment of the invention can improve the stability of the air output of the fan and improve the use experience of a user.
Drawings
Fig. 1 is a schematic perspective view of a fan according to an embodiment of the present disclosure;
FIG. 2 is a front view of a fan according to an embodiment of the present application;
fig. 3 is a control logic diagram of a fan according to an embodiment of the present application.
The reference numerals are represented as:
1. a housing; 11. mounting grooves; 2. a first filter member; 21. a first identifier; 3. a second filter member; 31. a second identifier; 4. a third filter member; 41. and a third identification.
Detailed Description
With combined reference to fig. 1 to 3, according to an embodiment of the present application, a fan includes a fan, a filter portion and a detection control portion, wherein the fan is capable of driving air to flow along a flow path, and an installation position of the filter portion is located on the flow path; when the gas driven by the fan is filtered, the filtering part is arranged on the installation position, the detection control part is used for acquiring the information of the filtering part on the installation position, and the fan is controlled to operate at a corresponding preset rotating speed based on the acquired information. The filtering function can be realized by arranging the filtering part, the information of the filtering part is acquired by arranging the detection control part, and the fan is controlled to operate at a corresponding preset rotating speed according to the information, so that the corresponding adjustment can be made on the air output of the fan after the filtering part is installed, the stability of the air output of the fan is improved, and the use experience of a user is improved.
The filter part includes the filtration piece that two at least windage differences, and when filtering the gas that the fan drove, at least one filtration piece can set up on the mounted position with dismantling, and detection control portion is used for acquireing the information of filtering the piece on the mounted position to based on the information control fan that acquires and with the operation of corresponding predetermined rotational speed. Through setting up the filtration piece that two at least windage are different, and make and filter the piece and can selectively set up on the mounted position, and acquire the information of filtering the piece through detecting the control unit, and then confirm the filtration piece in the use, realize that the fan rotational speed can correspond the windage of the filtration piece in the use and alternate, can improve the rotational speed when filtering a windage great, reduce the rotational speed when filtering a windage less, and then guarantee that the air output of fan is stable, improve user's use and experience. And the wind that can make the fan drive matches with filtering the piece, and then reducible noise. The fan is suitable for a plurality of filter screens, the universal degree is improved, and the problem that parts of a fan product are not universal due to high-level layout and low-level layout is solved, so that the filter screens of the same fan are diversified, and the application range is wider.
In some embodiments, the filter piece is arranged on the air inlet side of the fan, so that the filter piece can filter the inlet air to ensure the cleanliness in the fan.
In some embodiments, the detection control part comprises a control unit, and the control unit is in communication connection with the fan and is used for controlling the fan to adjust the rotating speed.
Be provided with identification information on filtering the piece, identification information on the filtration piece that the windage is different, detection control portion is used for acquireing the identification information of the filtration piece on the mounted position, and based on the identification information control fan that acquires and with the operation of corresponding predetermined rotational speed, through set up different identification information on the filtration piece that the windage is different, and then can realize the discernment of detection control portion to the filtration piece of different windages, guaranteed the wind speed of the switching fan that can be accurate, and then improve the stability of fan air output.
Further, the identification information may be identification information formed by matching mechanical structures, or identification information formed by forming images, or the like.
In one embodiment, the filter part at least comprises a first filter part 2 and a second filter part 3, the wind resistance of the first filter part 2 is different from that of the second filter part 3, the first filter part 2 is provided with a first identification 21, the second filter part 3 is provided with a second identification 31, the detection control part is provided with a first identification position and a second identification position, when the first filter part 2 is arranged at the installation position, the first identification 21 is connected with the first identification position, when the second filter part 3 is arranged at the installation position, the second identification 31 is connected with the second identification position, and then the detection control part can identify the filter parts with different wind resistances, thereby ensuring the wind speed of the switching fan which can be accurate, and further improving the stability of the air output of the fan.
In this embodiment, the identification information is the identification information formed by matching the mechanical structures, that is, the information of the filter element is obtained by connecting the first identifier 21 with the first identification position and connecting the second identifier 31 with the second identification position, specifically, when the first identifier 21 is connected with the first identification position, it can be determined that the first filter element 2 is in use, and further, the fan speed matched with the wind resistance of the first filter element 2 can be selected. When the second identifier 31 is connected to the second identification position, it can be determined that the second filter element 3 is in use, and the fan speed can be selected to match the wind resistance of the second filter element 3.
More specifically, the first identifier 21 includes a first protrusion, in this embodiment, the first identifier 21 is the first protrusion, the first identification position includes a first groove, a first switch is disposed in the first groove, that is, the first identification position includes the first groove and the first switch, when the first filter member 2 is disposed at the installation position, the first protrusion is inserted into the first groove, and the first switch is triggered, so that the first identifier 21 is connected to the first identification position, and the information of the first filter member 2 is acquired; the second mark 31 includes a second protrusion, in this embodiment, the second mark 31 is a second protrusion, the second recognition position includes a second groove, a second switch is disposed in the second groove, that is, the second recognition position is a second groove and a second switch, when the second filter member 3 is disposed at the installation position, the second protrusion is inserted into the second groove, and the second switch is triggered, so that the second mark 31 is connected to the second recognition position, and the information of the second filter member 3 is obtained. Through setting up first arch, with first protruding matched with first recess to set up first switch in first recess, can realize that the accuracy detects first filtration piece 2 and whether using. Through setting up the second arch, with the protruding matched with second recess of second to set up the second switch in the second recess, can realize that the accuracy detects the second and filter piece 3 and whether using, and then the wind speed of switching fan that can be accurate, and then improve the stability of fan air output.
In this embodiment, the filter portion further includes a third filter element 4, the wind resistance of the first filter element 2 and the wind resistance of the second filter element 3 are all different, the third filter element 4 is provided with a third identifier 41, the detection control portion is provided with a third identification position, when the third filter element 4 is disposed at the installation position, the third identifier 41 is connected with the third identification position, when the third identifier 41 is connected with the third identification position, it can be determined that the third filter element 4 is being used, and further, the fan rotating speed matched with the wind resistance of the third filter element 4 can be selected.
Specifically, the third mark 41 includes a third protrusion, in this embodiment, the third mark 41 is a third protrusion, the third identification position includes a third groove, a third switch is disposed in the third groove, that is, the third identification position is a third groove and a third switch, when the third filter element 4 is disposed at the installation position, the third protrusion is inserted into the third groove, and the third switch is triggered, so that the third mark 41 is connected with the third identification position, and the information of the third filter element 4 is acquired. Through setting up the third arch, with the protruding matched with third recess of third to set up the third switch in the third recess, can realize that the accuracy detects third and filter 4 whether using, and then the wind speed of switching fan that can be accurate, and then improve the stability of fan air output.
In this embodiment, the first protrusion, the second protrusion and the third protrusion are rod-mounted structures, one end of the first protrusion is disposed on the first filter member 2, and the other end extends in a direction away from the first filter member 2. The setting of the bellied one end of second is filtered on 3 at the second, and the other end extends to the direction of keeping away from 3 at the second. The one end setting of third arch is on third filter 4, and the other end extends to the direction of keeping away from third filter 4.
In this embodiment, the shape of the first protrusion matches with the first groove, ensuring stable insertion of the first protrusion. The shape of the second protrusion is matched with that of the second groove, so that the second protrusion can be stably inserted. The shape of the third bulge is matched with that of the third groove, so that the third bulge is ensured to be stably inserted.
Further, the first switch, the second switch and the third switch may be photoelectric switches, micro switches, etc., and in this embodiment, the first switch, the second switch and the third switch are all photoelectric switches.
The first filter element 2, the second filter element 3 and the third filter element 4 can be selectively arranged at the mounting position, so that the replacement of the filter elements can be realized, a user can have various filtering options, and the universality of the fan is improved.
Furthermore, can select two filter settings on the mounted position among first filter 2, second filter 3 and the third filter 4 three, also can set up the three simultaneously on the mounted position. In this embodiment, one of the first filter member 2, the second filter member 3 and the third filter member 4 is disposed at the installation position, and the other two filter members may be used instead.
The fan includes casing 1, the fan sets up in casing 1, be provided with mounting groove 11 on the casing 1 in order to form the mounted position, mounting groove 11 includes first boss, first filtration piece 2, the second filters and all is provided with the second boss on piece 3 and the third filtration piece 4, filter piece 3 or the third filtration piece 4 when inserting in mounting groove 11 when first filtration piece 2 or the second, first boss and the relative setting of second boss, first identification position, second identification position and third identification position set up on first boss, first sign 21, second sign 31 and third sign 41 set up on the second boss, can guarantee accurate discernment first sign 21, second sign 31 and third sign 41, and then accurate discernment first filtration piece 2, the second filters piece 3 and the third filtration piece 4.
Further, the level is provided with first contact surface on the first boss, first recognition position, second recognition position and third recognition position set up on first contact surface, and the level is provided with the second contact surface on the second boss, and first sign 21, second sign 31 and third sign 41 set up on the second contact surface, and when setting up on the mounted position on first filtration piece 2, second filtration piece 3 and the third filtration piece 4, first contact surface pasted with the second contact surface mutually.
The number of the first bosses is two, the two first bosses are respectively arranged on two opposite sides of the mounting groove 11, a first identification position, a second identification position and a third identification position are respectively arranged on the two first bosses, the distance between the two first identification positions is x, the distance between the two second identification positions is y, and the distance between the two third identification positions is z; the first filter element 2 is provided with two second bosses which are arranged in a one-to-one correspondence with the two first bosses, the two second bosses are provided with first marks 21, the distance between the two first marks 21 is x, the second filter element 3 is provided with two second bosses which are arranged in a one-to-one correspondence with the two first bosses, the two second bosses are provided with second marks 31, the distance between the two second marks 31 is y, the third filter element 4 is provided with two second bosses which are arranged in a one-to-one correspondence with the two first bosses, the two second bosses are provided with third marks 41, and the distance between the two third marks 41 is z; x is less than y and less than z, so that the first mark 21 can be accurately inserted into the first recognition position, the second mark 31 can be accurately inserted into the second recognition position, and the third mark 41 can be accurately inserted into the third recognition position, thereby preventing recognition errors caused by error insertion.
Further, the first recognition position, the second recognition position and the third recognition position are arranged on the same straight line along the horizontal direction.
The windage of first filtration piece 2, the windage of second filtration piece 3 and the windage of third filtration piece 4 rise in proper order, first filtration piece 2 corresponds the first rotational speed interval of predetermineeing of fan, the second filters the second that 3 correspond the fan and predetermines the rotational speed interval, the third filtration piece 4 corresponds the third of fan and predetermines the rotational speed interval, the second predetermines the maximum rotational speed of the interval of rotational speed and is greater than the first maximum rotational speed of predetermineeing the interval of rotational speed, the maximum rotational speed of the interval of predetermined rotational speed of third is greater than the second and predetermines the maximum rotational speed of the interval of rotational speed, the windage is big more high more the fan rotational speed that the filtration piece that corresponds is higher, can improve the stability of fan air output, improve user's use and experience.
Further, first filter 2 can be the prefilter net, and second filter 3 can be the active carbon filter net, and third filter 4 can be the HEPA filter screen (high-efficient filter screen), can make the user have multiple filtration and select, improves the commonality of fan.
Further, the first preset rotating speed interval is 1000 rpm to 1500 rpm, the second preset rotating speed interval is 1000 rpm to 2000 rpm, and the third preset rotating speed interval is 1500 rpm to 2500 rpm.
When the filter part is not arranged on the mounting position, namely the detection control part fails to acquire the information of the filter part on the mounting position, the fan is controlled to operate at the rotating speed in the fourth preset rotating speed interval, the maximum rotating speed in the fourth preset rotating speed interval is smaller than the maximum rotating speed in the first preset rotating speed interval, and the fan can be enabled not to be provided with the filter part so as to ensure stable air output.
Further, the fourth preset rotating speed interval is 500 rpm to 1000 rpm.
Further, when not setting up the filter screen, still remain the frame of filtering, do not set up identification information on the second boss of frame, make detection control portion can't detect identification information, and then control the fan with the fourth rotational speed operation in predetermineeing the rotational speed interval.
In one embodiment, the third filter 4 is a HEPA filter, the wind resistance of the filter is large, and the maximum rotation speed of the fan is set to 2500 rpm, so that the air outlet volume meets the use requirement.
The second filter piece 3 is an active carbon filter screen, the air resistance of the filter screen is slightly small, the maximum rotating speed of the fan is set to 2000 rpm, the air outlet volume is ensured to meet the use requirement, and the noise is reduced.
The first filter member 2 is a pre-filter screen, the air resistance of the filter screen is small, the maximum rotating speed of the fan is set to 1800 rpm, the air outlet volume is ensured to meet the use requirement, and the operation noise is reduced.
When the detection control part does not acquire the information of the filter piece on the mounting position, namely the filter screen is not assembled, the detection control part has no mark and is not matched with the identification position, the filter screen has no wind resistance, the maximum rotating speed of the fan is set to be 1500 revolutions per minute, the air outlet volume is ensured to meet the use requirement, and simultaneously, the operation noise is reduced.
The fan has the advantages that at least two wind speed gears are arranged in the first preset rotating speed interval, the second preset rotating speed interval, the third preset rotating speed interval and the fourth preset rotating speed interval, the fan can be selected in multiple gears when the stability of the air outlet quantity is guaranteed, and the practicability is improved.
In this embodiment, three wind speed gears are disposed in the first preset rotation speed interval, the second preset rotation speed interval, the third preset rotation speed interval, and the fourth preset rotation speed interval.
Specifically, the fourth preset rotating speed interval is internally provided with a high-gear rotating speed of 1000 revolutions per minute, a medium-gear rotating speed of 800 revolutions per minute and a low-gear rotating speed of 500 revolutions per minute. The first preset rotating speed interval is internally provided with a high-grade rotating speed of 1500 rpm, a medium-grade rotating speed of 1300 rpm and a low-grade rotating speed of 1000 rpm. The second preset rotating speed interval is internally provided with a high-grade rotating speed of 2000 rpm, a medium-grade rotating speed of 1500 rpm and a low-grade rotating speed of 1000 rpm. The third preset rotating speed interval is internally provided with a high-grade rotating speed of 2500 rpm, a medium-grade rotating speed of 2000 rpm and a low-grade rotating speed of 1500 rpm.
In another embodiment, the detection control part comprises an image acquisition unit, the detection control part is used for acquiring the image identification information of the filter piece on the installation position, and the fan is controlled to operate at a corresponding preset rotating speed based on the acquired image identification information, the image identification information of the filter piece is acquired in an image recognition mode, and then the filter piece in use is determined, the rotating speed of the fan can be changed corresponding to the wind resistance of the filter piece in use, the rotating speed can be increased when the wind resistance of the filter piece is large, the rotating speed is reduced when the wind resistance of the filter piece is small, and further the air output of the fan is ensured to be stable, and the use experience of a user is improved. And the wind that can make the fan drive matches with filtering the piece, and then reducible noise. The fan is applicable to a plurality of filter screens, the general degree is improved, the filter screens of the same fan are diversified, and the application range is wider.
Further, the image acquisition unit can be a camera, the image identification information can be an identification code such as a two-dimensional code, information on the identification code is acquired through the camera, and the filter pieces are distinguished according to the acquired information on the identification code.
Further, the image acquisition unit is arranged on the shell 1, the filter piece is inserted into the mounting groove 11 on the way, and the identification code on the filter piece passes through the acquisition area of the camera.
In another aspect of the present embodiment, a fan control method is provided for controlling the fan.
The fan control method comprises the following steps: when the filter part comprises at least two filter pieces with different windage resistances, the information of the filter piece on the installation position is acquired, and the fan is controlled to operate at a corresponding preset rotating speed based on the acquired information. Through the information that acquires filtering piece, and then confirm the filtration piece in the use, realize that the fan rotational speed can correspond the windage of the filtration piece in the use and alternate, can increase the rotational speed when filtering a windage great, reduce the rotational speed when filtering a windage less, and then guarantee that the air output of fan is stable, improve user's use and experience. And the wind that can make the fan drive matches with filtering the piece, and then reducible noise. The fan is applicable to a plurality of filter screens, the general degree is improved, the filter screens of the same fan are diversified, and the application range is wider.
Further, the filter member is inserted into the mounting position before the information on the filter member at the mounting position is obtained.
When the identification information of the first identification (21) is acquired, controlling the fan to operate at the rotating speed within a first preset rotating speed interval; when the identification information of the second identification (31) is acquired, controlling the fan to operate at the rotating speed within a second preset rotating speed interval; when the identification information of the third identification (41) is acquired, controlling the fan to operate at the rotating speed within a third preset rotating speed interval; when the identification information is not acquired, the fan is controlled to operate at the rotating speed within the fourth preset rotating speed interval, the rotating speed of the fan can be changed corresponding to the wind resistance of the filter element in use, the air output of the fan is stable, the use experience of a user is improved, and meanwhile, the noise is also reduced.
The fan and the control method thereof provided by the embodiment of the invention can improve the stability of the air output of the fan and improve the use experience of a user.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (17)
1. A fan is characterized by comprising a fan, a filtering part and a detection control part, wherein the fan can drive gas to flow along a flow path, and the installation position of the filtering part is positioned on the flow path;
when the gas driven by the fan is filtered, the filtering part is arranged on the installation position, and the detection control part is used for acquiring the information of the filtering part on the installation position and controlling the fan to operate at a corresponding preset rotating speed based on the acquired information.
2. The fan according to claim 1, wherein the filter portion includes at least two filter members having different windage resistances, at least one of the filter members is detachably disposed at the installation position when filtering the air blown by the fan, and the detection control portion is configured to acquire information of the filter member at the installation position and control the fan to operate at a corresponding preset rotation speed based on the acquired information.
3. The fan according to claim 2, wherein the filter member is provided with identification information, the identification information on the filter members having different windage resistances is different, and the detection control section is configured to acquire the identification information on the filter members in the mounting position and control the fan to operate at a corresponding preset rotation speed based on the acquired identification information.
4. A fan according to claim 2, wherein the filter portion comprises at least a first filter member (2) and a second filter member (3), the first filter member (2) having a different wind resistance from the second filter member (3), the first filter member (2) having a first identification (21) disposed thereon, the second filter member (3) having a second identification (31) disposed thereon, and the detection control portion having a first identification position and a second identification position, the first identification (21) being in contact with the first identification position when the first filter member (2) is disposed in the installation position, and the second identification (31) being in contact with the second identification position when the second filter member (3) is disposed in the installation position.
5. The fan according to claim 4, wherein the first identifier (21) comprises a first projection, the first identification position comprises a first recess in which a first switch is arranged, and the first projection is inserted into the first recess and activates the first switch when the first filter element (2) is arranged in the installation position;
the second mark (31) comprises a second protrusion, the second identification position comprises a second groove, a second switch is arranged in the second groove, and when the second filter piece (3) is arranged at the installation position, the second protrusion is inserted into the second groove and triggers the second switch.
6. The fan according to claim 4, wherein the filter portion further comprises a third filter member (4), wherein the wind resistance of the third filter member (4), the wind resistance of the first filter member (2), and the wind resistance of the second filter member (3) are different, wherein a third identification (41) is provided on the third filter member (4), wherein a third identification position is provided on the detection control portion, and wherein the third identification (41) is in contact with the third identification position when the third filter member (4) is disposed in the installation position.
7. The fan according to claim 6, wherein the third identifier (41) comprises a third projection, wherein the third identification position comprises a third recess in which a third switch is arranged, wherein the third projection is inserted into the third recess and activates the third switch when the third filter element (4) is arranged in the installation position.
8. The fan according to claim 6, characterized in that the first filter element (2), the second filter element (3) and the third filter element (4) are selectively positionable in the mounting position.
9. The fan according to claim 6, characterized in that it comprises a casing (1), the fan is arranged in the shell (1), a mounting groove (11) is arranged on the shell (1) to form the mounting position, the mounting groove (11) comprises a first boss, the first filter element (2), the second filter element (3) and the third filter element (4) are all provided with a second boss, when the first filter element (2) or the second filter element (3) or the third filter element (4) is inserted into the mounting groove (11), the first boss and the second boss are arranged oppositely, the first identification position, the second identification position and the third identification position are arranged on the first boss, the first mark (21), the second mark (31) and the third mark (41) are arranged on the second boss.
10. The fan as claimed in claim 9, wherein the number of the first bosses is two, two first bosses are respectively disposed at opposite sides of the mounting groove (11), the first identification position, the second identification position and the third identification position are disposed on each of the two first bosses, a distance between the two first identification positions is x, a distance between the two second identification positions is y, and a distance between the two third identification positions is z;
the first filter element (2) is provided with two second bosses which are arranged corresponding to the two first bosses one by one, the two second bosses are both provided with the first marks (21), the distance between the two first marks (21) is x, the second filtering piece (3) is provided with two second bosses which are arranged corresponding to the first bosses one by one, the two second bosses are both provided with the second marks (31), the distance between the two second marks (31) is y, the third filter element (4) is provided with two second bosses which are arranged in one-to-one correspondence with the two first bosses, the two second bosses are provided with third marks (41), and the distance between the two third marks (41) is z;
x＜y＜z。
11. the fan according to claim 6, wherein the wind resistance of the first filter element (2), the wind resistance of the second filter element (3) and the wind resistance of the third filter element (4) are increased in sequence, the first filter element (2) corresponds to a first predetermined speed interval of the fan, the second filter element (3) corresponds to a second predetermined speed interval of the fan, the third filter element (4) corresponds to a third predetermined speed interval of the fan, the maximum speed in the second predetermined speed interval is greater than the maximum speed in the first predetermined speed interval, and the maximum speed in the third predetermined speed interval is greater than the maximum speed in the second predetermined speed interval.
12. The fan as claimed in claim 11, wherein the detection control part controls the fan to operate at a rotation speed in a fourth preset rotation speed interval when the filter part is not disposed at the installation position, the maximum rotation speed in the fourth preset rotation speed interval being less than the maximum rotation speed in the first preset rotation speed interval.
13. The fan as claimed in claim 12, wherein at least two wind speed gears are provided in the first predetermined rotational speed interval, the second predetermined rotational speed interval, the third predetermined rotational speed interval and the fourth predetermined rotational speed interval.
14. The fan according to claim 3, wherein the detection control portion includes an image acquisition unit, and is configured to acquire image identification information of the filter member at the mounting position and control the fan to operate at a corresponding preset rotation speed based on the acquired image identification information.
15. A fan control method for controlling a fan according to any one of claims 1 to 14.
16. The fan control method according to claim 15, wherein when the filter portion includes at least two filter members different in wind resistance, information on the filter member in the mounting position is acquired, and the fan is controlled to operate at a corresponding preset rotation speed based on the acquired information.
17. The fan control method according to claim 15, wherein when the identification information of the first identification (21) is acquired, the fan is controlled to operate at a rotation speed within a first preset rotation speed interval; when the identification information of the second identification (31) is acquired, controlling the fan to operate at the rotating speed within a second preset rotating speed interval; when the identification information of the third identification (41) is acquired, controlling the fan to operate at the rotating speed within a third preset rotating speed interval; and when the identification information is not acquired, controlling the fan to operate at the rotating speed within the fourth preset rotating speed interval.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110411463.7A CN113123989A (en) | 2021-04-16 | 2021-04-16 | Fan and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110411463.7A CN113123989A (en) | 2021-04-16 | 2021-04-16 | Fan and control method thereof |
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| Publication Number | Publication Date |
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| CN113123989A true CN113123989A (en) | 2021-07-16 |
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| CN202110411463.7A Pending CN113123989A (en) | 2021-04-16 | 2021-04-16 | Fan and control method thereof |
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| CN (1) | CN113123989A (en) |
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