WO2019019392A1

WO2019019392A1 - Air duct assembly, air-conditioner, and control method and control system for air outlet position

Info

Publication number: WO2019019392A1
Application number: PCT/CN2017/104805
Authority: WO
Inventors: 卢绍章
Original assignee: 广东美的制冷设备有限公司
Priority date: 2017-07-27
Filing date: 2017-09-30
Publication date: 2019-01-31
Also published as: CN107477826B; CN107477826A

Abstract

Disclosed are an air duct assembly, an air-conditioner, and a control method and a control system for an air outlet position. The air duct assembly comprises: a fixed disc (12), with a first air outlet (122) being provided on the fixed disc (12); a micro switch (124), the micro switch (124) being provided on the fixed disc (102); a movable disc (104), with a second air outlet (142) being provided on the movable disc (14), at least one trigger part (144) being provided along the periphery of the movable disc (14), and the movable disc (14) being rotatably fitted on the fixed disc (12); a drive assembly (16), the drive assembly (16) being connected to the movable disc (14), and the drive assembly (16) being used for rotating the movable disc (14); and a controller respectively connected to the micro switch (124) and the drive assembly (16). By providing a micro switch (124) and a trigger part, the air duct assembly enables the controller to determine the relative position of rotation of the movable disc (14) by means of a feedback signal of the micro switch (124) triggered by the trigger part, thus determining the position of the second air outlet (142), and thereby further enabling free selection of the position of the second air outlet (142) by controlling the rotation of the movable disc (14) and the position of the air outlet (142).

Description

Control method and control system for air duct assembly, air conditioner and air outlet position

This application claims priority on Chinese patent application filed on July 27, 2017 by the China Patent Office, application number 201710626395.X, and the invention titled "Control method and control system for air duct components, air conditioners and air outlets". The entire content of which is incorporated herein by reference.

Technical field

The invention relates to the technical field of air conditioners, in particular to a duct assembly, an air conditioner, a method for controlling the position of an air outlet and a control system for the position of the air outlet.

Background technique

In the market, all mobile air-conditioning products control the air supply angle and reset are both manual and automatic swing wind. The automatic swing air position is the reset angle and the maximum swing angle. When the air duct and the air outlet rotate 360 degrees or swing When the angle requirement is two or more, the automatic precise swing angle and automatic reset cannot be realized. Therefore, how to design an air conditioner that can automatically and accurately control the air supply angle in a multi-angle range becomes an important issue.

Summary of the invention

In order to solve at least one of the above technical problems, an embodiment of the first aspect of the present invention proposes a duct assembly.

In an embodiment of the second aspect of the invention, an air conditioner is also proposed.

In the third aspect of the invention, a method for controlling the position of the air outlet is also proposed.

In a fourth aspect of the invention, a control system for the position of the air outlet is also proposed.

In view of the above, according to the embodiment of the first aspect of the present invention, the present invention provides a duct assembly for an air conditioner, the duct assembly includes: a fixed disc, the first air outlet is disposed on the fixed disc; The switch is arranged on the fixed plate; the movable plate has a second air outlet disposed on the movable plate, and the movable plate is along the circumferential direction thereof The at least one triggering portion is disposed on the triggering portion, and the triggering portion is adapted to the micro switch, and the movable disc is rotatably sleeved on the fixed disc, and the airflow in the air conditioner first passes through the first air outlet and then flows out through the second air outlet; The component, the driving component is connected with the moving disk, the driving component is used for rotating the moving disk; the controller and the controller are respectively connected with the micro switch and the driving component; wherein, when the moving disk rotates, the micro switch is triggered by the triggering part and generates a trigger Signal, the controller controls the driving component according to the trigger signal fed back by the micro switch, thereby controlling the rotation of the moving plate and the position of the second air outlet.

The air duct assembly provided by the invention provides a micro switch and one or more triggering portions, so that the controller can determine the relative position of the rotating disc by the feedback signal triggered by the triggering portion of the micro switch, thereby determining the second air outlet. The position of the second air outlet can be freely selected in the range of 360° by controlling the rotation of the moving plate and the position of the second air outlet, thereby improving the control precision of the position of the air outlet and passing through The corresponding setting can also realize the swinging of the air outlet between different triggering parts, the resetting of the air outlet, and the like, further making the wind meet the actual needs of the user, improving the functionality and the user experience.

In addition, the air duct assembly in the above embodiment provided by the present invention may further have the following additional technical features:

In the above technical solution, preferably, the number of the triggering portions is plural, and the plurality of triggering portions are uniformly disposed on the movable plate.

In this technical solution, the number of the triggering portions is multiple, and the plurality of triggering portions respectively respectively position a plurality of different relative positions of the movable plate and the air outlet, so that when different triggering portions trigger the micro switch, the moving disk can be determined. The relative position and the rotation of the movable plate can be controlled thereby, so that the movable plate can be accurately rotated to the preset position; in addition, the trigger portion can be evenly disposed on the moving plate, thereby further improving the precise control of the position of the moving plate, such as The number of triggering parts is four, so the adjacent two triggering parts are equivalent to 90° apart. Similarly, if the number of triggering parts is six, the adjacent two triggering parts are equivalent to the interval. 60°, and so on, the greater the number of triggers, the higher the accuracy of the rotational positioning of the rotor.

In any of the above aspects, preferably, the number of the triggering portions is plural, and the widths of the plurality of triggering portions are different.

In this technical solution, by setting different trigger portions to different widths, the duration of time when the triggering portion triggers the micro switch is different, and thus the duration can be determined by the duration. The trigger portion and its relative position are broken, thereby further improving the judgment of the different trigger portions and the accuracy of detecting the relative position of the movable plate.

In any of the above aspects, preferably, the number of the triggering portions is plural, and the gap between the adjacent two triggering portions is greater than or equal to 2 mm.

In this technical solution, by setting the gap between two adjacent trigger portions to be greater than or equal to 2 mm, the micro switch can have sufficient time and space to reset when the trigger portion leaves the micro switch, avoiding two The triggering sections are too close to each other, so that the microswitches cannot normally recognize the triggering information of the two triggering sections, thereby improving the accuracy of the triggering section identification and the moving disc position detection.

In any of the above aspects, preferably, the trigger portion is a rib, and the rib is provided with a guide slope.

In the technical solution, the rib can be used as a structure of the triggering portion, and the guiding rib can be disposed on the rib, so that the rib can be smoother when the micro switch is triggered, and the trigger portion and the micro switch are prevented from being more severe. The contact extends the life of the microswitch to ensure smooth rotation of the moving plate.

In any one of the above aspects, preferably, the method further includes: a first motor, the first motor is coupled to the fixed plate, the first motor is further connected to the controller; and the wind wheel and the wind wheel are coupled to the output shaft of the first motor connection.

In the technical solution, the first motor and the wind wheel are further included, and the air flow is passed through the second air outlet through the wind wheel, and the first motor is further connected to the controller, so that the controller can also be rotated according to the moving disk and The position information controls the rotation and rotation speed of the wind wheel, further realizes multi-condition control for the rotation and the wind of the moving disk, and improves the functionality of the product and the user experience.

In any one of the above aspects, preferably, the driving component includes: a second motor, the second motor is coupled to the fixed plate; the first gear, the first gear is coupled to the output shaft of the second motor; and the second gear is The two gears mesh with the first gear; the transmission rod, one end of the transmission rod is connected with the second gear; the third gear and the third gear are connected with the other end of the transmission rod; the inner wall surface of the movable disc is provided with annular teeth The strip is meshed with the third gear.

In this technical solution, the second motor realizes the rotation of the driving disc through a plurality of gears and a rack drive disposed on the inner wall surface of the movable disc, and in the structure, the transmission can be stably and efficiently realized. The rotation of the moving plate on the circumference of 360° is also realized, and the control of the rotational speed of the moving plate can be realized by reasonably setting the gear ratio between different gears, thereby improving the stability and reliability of the operation of the device.

In any of the above aspects, preferably, the number of teeth of the second gear is greater than the number of teeth of the third gear.

In this technical solution, the number of teeth of the second gear is greater than the number of teeth of the third gear, thereby achieving a deceleration effect on the rotation of the moving plate, reasonably controlling the rotational speed of the moving plate, and improving the stability and reliability of the rotating of the moving plate. At the same time, the rotation of the movable plate can be further reduced by setting the gear ratio of the first gear and the second gear.

In any of the above technical solutions, preferably, the method further includes: a roller disposed on a lower portion of the movable plate; and a sliding channel disposed on the fixed plate, the sliding track being adapted to the roller.

In this technical solution, by providing the slide rail and the roller, the movable disc and the fixed disc can be rotated more smoothly, further ensuring the stability and reliability of the rotating disc, and the roller can also play the movable disc. The role of the limit is to avoid direct friction between the moving plate and the fixed plate.

In the above air duct assembly, the signal is generated by fully utilizing the ribs (trigger portions) at different positions of the turntable to realize the logic precision control of the electronic control, so as to achieve precise control of the position of the air outlet. The height difference of the turntable rib (trigger portion) may preferably be 2 mm to 3 mm. When passing the switch of the micro switch, the rib will press down the switch point of the micro switch to generate a signal, thereby identifying the relative position of the tuyere; Multiple sets of ribs are designed to further set multiple sets of swing angles and reset positions. All the ribs rotate at the center circumference, and by the cooperation with the micro switch, the stopping and reversing actions of the rotation can be realized. The most important thing is to realize the 360° precise control swing of the air passage, so that the air supply opening can be within any angle range. Swing, especially 360° rotation reset control. Compared with the conventional direct program logic time control method, the angle error of the swing when the swing produces a difference in rotation in the time control mode is large, and usually a large swing angle difference is generated, which affects the swing quality, and the technical solution is excellent. Solved the above problem.

An embodiment of the second aspect of the present invention also provides an air conditioner comprising: the above air duct assembly.

The air conditioner provided by the present invention can determine and control the position of the second air outlet by adopting the air duct assembly described above, thereby realizing the control of the rotation of the movable disk and the position of the second air outlet. The position of the second air outlet is freely selected in the range of 360°, and the control precision of the position of the second air outlet (which can be used as the air outlet of the air conditioner) is improved, and the corresponding outlet can also realize different triggering of the air outlet. The functions of swinging between the parts and resetting the air outlet further enable the wind to meet the actual needs of the user, improving the functionality and the user experience.

The embodiment of the third aspect of the present invention further provides a method for controlling the position of the air outlet, which can be used in the air duct assembly or the air conditioner described above, and the method for controlling the position of the air outlet includes: receiving a control command, and controlling the command The air outlet target position information is included; the corresponding trigger portion is determined according to the air outlet target position information and recorded as the target trigger portion; the control moving disk is rotated in the first direction; determining whether the micro switch is triggered by the target trigger portion; When the switch is triggered by the target trigger, the control disc stops rotating.

The method for controlling the position of the air outlet is provided by determining whether the micro switch is triggered by the target triggering portion, thereby controlling the rotational position of the rotary disk to the target position, thereby moving the air outlet to the target position, thereby realizing the micro switch The signal feedback controls the rotation of the moving plate, thereby achieving precise control of the position of the air outlet, improving the flexibility of the air outlet control and the functionality of the device. At the same time, the position information of the air outlet can be directed to the reset position of the air outlet, so that the reset function of the air outlet can also be realized.

In addition, the method for controlling the position of the air outlet in the above embodiment provided by the present invention may further have the following additional technical features:

In the above technical solution, preferably, determining whether the micro switch is triggered by the target triggering portion specifically includes: determining whether a duration of the micro switch being triggered is equal to a first duration corresponding to the target triggering portion, wherein the number of the triggering portions When there are a plurality of sections, the widths of the plurality of trigger sections are different.

In this technical solution, the widths of the plurality of triggering parts are different, so that the triggering duration may be different when different triggering parts trigger the micro switch, and by further determining the duration, it can be determined which one The triggering unit triggers the micro switch to determine the relative position of the air outlet, thereby improving the accuracy of determining the position of the air outlet.

In any one of the above aspects, preferably, the method further comprises: after the turntable stops rotating, the control moving plate rotates in the second direction, and the second direction is opposite to the direction of the first direction.

In this technical solution, after the turntable stops rotating, the control moving plate rotates in the second direction, thereby realizing the function of the reverse swing of the air outlet, and the limit position control of the swing in this form is more To be accurate, it is ensured that the air outlet oscillates within a preset swing range.

In any one of the above aspects, preferably, the method further includes: receiving a rotation command, the rotation command includes information on the position of the air outlet rotation position; determining the trigger portion corresponding to the rotation position information of the air outlet and recording the rotation trigger portion; determining the micro motion Whether the switch is triggered by the swing triggering portion; when the micro switch is triggered by the swing triggering portion, the control moving disc rotates in the first direction; after the moving disc rotates in the first direction, it is determined whether the microswitch is triggered by the target triggering portion; When the movable switch is triggered by the target triggering portion, the control moving plate rotates in the second direction.

In the technical solution, the movable disc and the air outlet can realize stable and reliable swing between the target triggering portion and the swing triggering portion, and the swinging limit position of the air outlet is the relative of the target triggering portion and the swinging triggering portion during the swinging process. The position is determined such that the range of its swing is more accurate, thereby improving the functionality of the device and the user experience.

In any one of the above aspects, preferably, the method further includes: determining a correction duration corresponding to the air outlet target position information; and when the micro switch is triggered by the target triggering portion, controlling the dynamic disk to continue to rotate the correction duration.

In the technical solution, a technical solution for correcting the duration is also added. When the micro switch is triggered by the target triggering portion, the moving disc can be controlled to continue to rotate for the correction duration, and the accuracy and flexibility of the air outlet position control are further improved by the correction duration. Therefore, the position control of the air outlet can better meet the user's needs and design requirements, and overcome the defect that the air outlet cannot stop between the relative positions of different trigger portions. It is also conceivable that the correction duration corresponding to any one of the triggering sections can be set, and the flexibility of the tuyere control can also be adjusted by adjusting the correction duration.

The embodiment of the fourth aspect of the present invention further provides a control system for the position of the air outlet, the system being applicable to the air duct assembly or the air conditioner described above, the control system of the air outlet position comprising: a receiving unit for receiving a control command, the control command includes the air outlet target position information; the determining unit is configured to determine the corresponding triggering portion according to the air outlet target position information and record it as the target triggering portion; and the control unit is configured to control the rotating disk to rotate in the first direction The determining unit is configured to determine whether the micro switch is triggered by the target triggering unit; and the control unit is further configured to control the rotating disc to stop when the micro switch is triggered by the target triggering portion.

The control system for the position of the air outlet provided by the invention determines whether the micro switch is triggered by the target triggering portion, thereby controlling the rotational position of the rotary disk to the target position, thereby further moving the air outlet To the target position, the signal feedback of the micro switch is used to control the rotation of the moving plate, thereby achieving precise control of the position of the air outlet, improving the flexibility of the air outlet control and the functionality of the device. At the same time, the position information of the air outlet can be directed to the reset position of the air outlet, so that the reset function of the air outlet can also be realized.

In addition, the control system for the air outlet position in the above embodiment provided by the present invention may further have the following additional technical features:

In the above technical solution, preferably, the determining unit is further configured to determine whether the duration of the micro switch being triggered is equal to the first duration corresponding to the target triggering portion, wherein when the number of the triggering portions is multiple, multiple triggering The width of the sections varies.

In any of the above aspects, preferably, the control unit is further configured to control the movable plate to rotate in the second direction after the turntable stops rotating, and the second direction is opposite to the direction of the first direction.

In this technical solution, after the turntable stops rotating, the control movable plate rotates in the second direction, thereby realizing the function of the reverse swing of the air outlet, and the limit position control of the swing in this form is more accurate, and the air outlet can be ensured. Swings within a preset swing range.

In any one of the above aspects, preferably, the receiving unit is further configured to receive a rotation command, where the rotation command includes the air outlet rotation position information; and the determining unit is further configured to determine the corresponding trigger portion according to the air outlet rotation position information and record The slewing triggering unit is further configured to determine whether the micro switch is triggered by the slewing triggering portion; the control unit is further configured to: when the micro switch is triggered by the slewing triggering portion, the control moving disc rotates in the first direction; the determining unit is further configured to: After the moving plate rotates in the first direction, it is determined whether the micro switch is triggered by the target triggering portion; the control unit is further configured to control the rotating plate to rotate in the second direction when the micro switch is triggered by the target triggering portion.

In any one of the above aspects, the determining unit is further configured to determine, according to the air outlet target position information, a correction duration corresponding thereto; and the control unit is further configured to: when the micro switch is triggered by the target triggering portion, control the moving disc to continue Rotate the correction time.

Additional aspects and advantages of the invention will be apparent from the description of the invention.

DRAWINGS

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from

1 is a schematic structural view of a duct assembly according to an embodiment of the present invention;

Figure 2 is a plan view of the structure shown in Figure 1;

Figure 3 is a cross-sectional view of the structure shown in Figure 1;

Figure 4 is a side view of the structure shown in Figure 1;

Figure 5 is a cross-sectional view of the structure shown in Figure 1;

Figure 6 is a schematic structural view of a moving disc in the structure shown in Figure 1;

Figure 7 is a side view of the structure shown in Figure 6;

Figure 8 is a schematic structural view of a fixing plate according to an embodiment of the present invention;

Figure 9 is a side view of the structure shown in Figure 8;

Figure 10 is a partial structural view of the drive assembly of the structure shown in Figure 1;

11 is a flow chart showing a method of controlling an air outlet position according to an embodiment of the present invention;

12 is a flow chart showing a method of controlling an air outlet position according to still another embodiment of the present invention;

FIG. 13 is a flow chart showing a method of controlling the position of an air outlet according to still another embodiment of the present invention; FIG.

Figure 14 is a schematic block diagram of a control system for the position of the air outlet of one embodiment of the present invention.

Wherein, the correspondence between the reference numerals and the component names in FIGS. 1 to 10 is:

12 fixed plate, 122 first air outlet, 124 micro switch, 126 fixed block, 14 moving plate, 142 second air outlet, 144 trigger, 146 rack, 148 roller, 16 drive assembly, 162 second motor, 164 First gear, 166 second gear, 168 third gear, 182 first motor, 184 wind wheel.

Detailed ways

The present invention will be further described in detail below with reference to the drawings and specific embodiments. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a full understanding of the invention, but the invention may be practiced otherwise than as described herein. Limitations of the embodiments.

A duct assembly and an air conditioner according to some embodiments of the present invention are described below with reference to FIGS. 1 through 10.

As shown in FIG. 1 to FIG. 10, the present invention provides a duct assembly for an air conditioner. The air duct assembly includes: a fixed plate 12, a first air outlet 122 is disposed on the fixed plate 12, and a micro switch 124 is disposed. The second air outlet 142 is disposed on the movable plate 14 , and the movable disk 14 is disposed with at least one triggering portion 144 along the circumferential direction thereof, and the triggering portion 144 is adapted to the micro switch 124 . The driving plate 14 is rotatably sleeved on the fixed plate 12. The air flow in the air conditioner first flows through the first air outlet 122 and then through the second air outlet 142. The driving assembly 16 and the driving assembly 16 are connected to the moving plate 14 to drive The component 16 is used for rotating the movable disk 14; the controller is connected to the micro switch 124 and the driving component 16 respectively; wherein the micro switch 124 is triggered by the triggering portion 144 and generates a trigger signal when the movable disk 14 rotates, and the controller The drive assembly 16 is controlled in accordance with a trigger signal fed back by the microswitch 124 to control the rotation of the rotor plate 14 and the position of the second air outlet 142.

The air duct assembly provided by the present invention, by providing the micro switch 124 and the one or more triggering portions 144, enables the controller to determine the relative position of the rotating disc 14 by the feedback signal triggered by the triggering portion 144 of the micro switch 124, thereby The position of the second air outlet 142 is determined, thereby further enabling the position of the second air outlet 142 to be freely selected within a range of 360° by controlling the rotation of the movable plate 14 and the position of the second air outlet 142. The control accuracy of the air outlet position can also realize the swinging of the air outlet between the different triggering portions 144 and the resetting of the air outlets through corresponding settings, further enabling the air outlet to meet the actual needs of the user and improving the functionality thereof. And the user's experience.

In one embodiment of the present invention, preferably, as shown in FIGS. 6 and 7, the number of the trigger portions 144 is plural, and the plurality of trigger portions 144 are uniformly disposed on the movable disk 14.

In this embodiment, the number of the triggering portions 144 is multiple, and the plurality of triggering portions 144 respectively position a plurality of different relative positions of the movable disk 14 and the air outlet, such that when the different triggering portions 144 trigger the micro switch 124 The relative position of the driven plate 14 can be judged and the rotation of the movable plate 14 can be controlled thereby, so that the movable plate 14 can be accurately rotated to the preset position; and the trigger portion 144 can be evenly disposed on the movable plate 14, further To improve the precise control of the position of the movable plate 14, if the number of the triggering portions 144 is four, the adjacent two triggering portions 144 are equivalent to an interval of 90 degrees, and if the number of the triggering portions 144 is six, Then, the adjacent two trigger portions 144 are equivalent to 60° apart, and so on, the greater the number of the trigger portions 144, the higher the accuracy of the rotational positioning of the movable disk 14.

In one embodiment of the present invention, preferably, the number of the triggering portions 144 is plural, and the widths of the plurality of triggering portions 144 are different.

In this embodiment, by setting the plurality of triggering portions 144 to different widths, the duration of time when the triggering portion 144 triggers the micro switch 124 is different, and thus the triggering portion 144 can be further determined by the duration. And its relative position, thereby further improving the judgment of the different triggering portions 144 and the accuracy of detecting the relative position of the movable disk 14.

In one embodiment of the present invention, preferably, the number of the triggering portions 144 is plural, and the gap between the adjacent two triggering portions 144 is greater than or equal to 2 mm.

In this embodiment, by setting the gap between the adjacent two trigger portions 144 to be greater than or equal to 2 mm, the micro switch 124 can be provided when the trigger portion 144 leaves the micro switch 124. Sufficient time and space reset to avoid that the micro-switches 124 cannot properly recognize the trigger information of the two triggering portions 144 due to the proximity of the two triggering portions 144, thereby improving the identification of the triggering portion 144 and the moving disk 14 The accuracy of position detection.

In an embodiment of the invention, preferably, the triggering portion 144 is a rib, and the rib is provided with a guiding slope.

In this embodiment, the rib can be used as a structure of the triggering portion 144, and the guiding rib can be disposed on the rib, so that the rib can be more smooth when the micro switch 124 is triggered, and the triggering portion 144 and the fretting are avoided. The switch 124 is in sharp contact, prolonging the service life of the micro switch 124 to ensure smooth rotation of the moving plate 14.

In an embodiment of the present invention, preferably, as shown in FIG. 3 and FIG. 5, further comprising: a first motor 182, the first motor 182 is connected to the fixed plate 12, and the first motor 182 is also connected to the controller. Wind wheel 184, wind wheel 184 is coupled to the output shaft of first motor 182.

In this embodiment, the first motor 182 and the wind wheel 184 are further included, and the air flow is passed through the second air outlet 142 through the wind wheel 184, and the first motor 182 is also connected to the controller, so that the controller can also be The rotation of the movable plate 14 and its position information control the rotation and the rotational speed of the wind wheel 184, which further realizes multi-condition control for the rotation and the outgoing air of the movable disk 14, thereby improving the functionality of the product and the user experience.

In one embodiment of the present invention, preferably, as shown in FIGS. 1, 8, and 10, the drive assembly 16 includes a second motor 162 that is coupled to the fixed plate 12; a first gear 164, The first gear 164 is coupled to the output shaft of the second motor 162; the second gear 166, the second gear 166 is meshed with the first gear 164; the transmission rod, one end of the transmission rod is coupled to the second gear 166; and the third gear 168 The third gear 168 is coupled to the other end of the transmission rod; the inner wall surface of the movable plate 14 is provided with an annular rack 146, and the rack 146 is meshed with the third gear 168.

In this embodiment, the second motor 162 is driven to rotate by the plurality of gears and the rack 146 disposed on the inner wall surface of the movable plate 14, so that stable and efficient transmission can be realized in the structure. The rotating plate 14 is rotated 360° on the circumference, and the control of the rotational speed of the movable plate 14 can be realized by appropriately setting the gear ratio between the different gears, thereby improving the stability and reliability of the operation of the device.

In an embodiment of the invention, preferably, the second gear 166 has a larger number of teeth than the third tooth The number of teeth of the wheel 168.

In this embodiment, the number of teeth of the second gear 166 is greater than the number of teeth of the third gear 168, thereby achieving a deceleration effect on the rotation of the movable plate 14, reasonably controlling the rotational speed of the movable plate 14, and improving the stability of the rotation of the movable plate 14. Sex and reliability. At the same time, the rotation of the movable plate 14 can be further decelerated by setting the gear ratio of the first gear 164 and the second gear 166.

In an embodiment of the present invention, preferably, as shown in FIG. 3, the roller 148 is further disposed at a lower portion of the movable plate 14; the fixed plate 12 is provided with a slide rail, and the slide rail is matched with the roller 148.

In this embodiment, by providing the slide rail and the roller 148, the movable disc 14 and the fixed disc 12 can be rotated more smoothly, further ensuring the stability and reliability of the rotation of the movable disc 14, and the roller 148 can also The function of limiting the position of the movable plate 14 is to prevent direct friction between the movable plate 14 and the fixed plate 12.

In addition, as shown in FIG. 9, the air duct assembly further includes a fixed block 126 disposed on the fixed plate 12, the fixed block 126 includes a U-shaped opening, and the outer edge of the movable plate 14 is located in the opening, such that the fixed block 126 The relative limit between the fixed platen 12 and the movable platen 14 can be achieved to prevent the movable platen 14 from being disengaged from the fixed platen 12. The fixing block 126 can be fixed to the fixing plate 12 by screws.

In the above air duct assembly, by using the ribs (trigger portion 144) at different positions of the turntable to generate signals to the micro switch 124, the logic control of the electronic control is realized to achieve precise control of the position of the air outlet. The height difference of the turntable rib (trigger portion 144) may preferably be 2 mm to 3 mm. When the switch of the micro switch 124 is passed, the ribs press down the switch point of the micro switch 124 to generate a signal, thereby identifying the tuyere. Relative position; designing multiple sets of ribs can further set multiple sets of swing angles and reset positions. All the ribs rotate around the center circumference, and by the cooperation with the micro switch 124, the stopping and reversing actions of the rotation can be realized, and the most important thing is to realize the 360° precise control swing of the air passage, so that the air supply opening can be at any angular range. Internal swing, especially 360° rotation reset control. Compared with the conventional direct program logic time control method, the angle error of the swing when the swing produces a difference in rotation in the time control mode is large, and usually a large swing angle difference is generated, which affects the swing quality, and the technical solution is excellent. Solved the above problem.

The invention also provides an air conditioner comprising: the air duct assembly described above.

The air conditioner provided by the present invention can determine and control the position of the second air outlet 142 by adopting the air duct assembly described above, thereby controlling the rotation of the movable plate 14 and the second air outlet 142. Position, the position of the second air outlet 142 is freely selected in the range of 360°, and the control precision for the position of the second air outlet 142 (which can be used as the air outlet of the air conditioner) is improved, and the corresponding setting can also be realized. The function of the tuyere swinging between the different triggering portions 144 and the resetting of the air outlets further enables the airflow to meet the actual needs of the user, improving the functionality and the user experience.

Next, a control method of an air outlet position and a control system of an air outlet position according to some embodiments of the present invention will be described with reference to FIGS. 11 through 14.

The present invention also provides a method of controlling the position of the air outlet, which can be applied to the above air duct assembly or the above air conditioner. As shown in FIG. 11, in an embodiment of the present invention, the method for controlling the position of the air outlet includes the following steps:

Step S102, receiving a control instruction, where the control instruction includes air outlet target position information;

Step S104, determining the triggering portion corresponding to the air outlet target position information and recording it as the target triggering unit;

Step S106, controlling the rotating plate to rotate in the first direction;

Step S108, determining whether the micro switch is triggered by the target triggering unit;

In step S110, when the micro switch is triggered by the target triggering portion, the control moving disc stops rotating.

In this embodiment, by determining whether the micro switch is triggered by the target triggering portion, thereby controlling the rotational position of the turntable to the target position, thereby moving the air outlet to the target position, thereby implementing the signal feedback control of the moving plate through the micro switch. The rotation, in turn, achieves precise control of the position of the air outlet, improving the flexibility of the air outlet control and the functionality of the device. At the same time, the position information of the air outlet can be directed to the reset position of the air outlet, so that the reset function of the air outlet can also be realized.

In addition, determining whether the micro switch is triggered by the target triggering portion in the above embodiment specifically includes: determining whether the duration of the microswitch being triggered is equal to a first duration corresponding to the target triggering portion, wherein the number of the triggering portions When there are a plurality of sections, the widths of the plurality of trigger sections are different.

By setting the widths of the plurality of trigger portions to be different, the triggering duration may be different when different micro-switches are triggered by different triggering portions, and by further determining the duration, it is possible to determine which triggering portion is used. The micro switch is triggered to determine the relative position of the air outlet, thereby improving the accuracy of determining the position of the air outlet.

In an embodiment of the present invention, preferably, as shown in FIG. 12, the method for controlling the position of the air outlet includes the following steps:

Step S202, receiving a control instruction, where the control instruction includes air outlet target position information;

Step S204, determining the triggering portion corresponding to the air outlet target position information and recording it as the target triggering unit;

Step S206, controlling the rotating plate to rotate in the first direction;

Step S208, determining whether the micro switch is triggered by the target triggering unit;

Step S210, when the micro switch is triggered by the target triggering portion, the control moving disc stops rotating;

Step S212, the control moving disk rotates in the second direction, and the second direction is opposite to the direction of the first direction;

Step S214, receiving a rotation command, where the rotation command includes information on the position of the air outlet rotation position;

Step S216, determining the triggering portion corresponding to the air outlet rotation position information and recording it as a rotation triggering portion;

Step S218, determining whether the micro switch is triggered by the swing triggering portion;

Step S220, when the micro switch is triggered by the rotation triggering portion, the control moving disk rotates in the first direction;

In step S222, it is determined whether a stop command is received, and if a stop command is received, the process is stopped, otherwise, the process returns to step S208.

In this embodiment, after the turntable stops rotating, the control moving plate rotates in the second direction, so that the reverse swinging function of the air outlet is realized, and the limit position control of the swing in this form is more accurate, and the air outlet can be ensured. In the preset swing range, the swinging and the air outlet can achieve stable and reliable swing between the target triggering portion and the swing triggering portion, and the swinging limit position of the air outlet is The relative position of the target triggering portion and the swinging triggering portion is determined such that the range of the swinging is more accurate, thereby improving the functionality of the device and the user experience.

In an embodiment of the present invention, preferably, as shown in FIG. 13, the method for controlling the position of the air outlet includes the following steps:

Step S302, receiving a control instruction, where the control instruction includes air outlet target position information;

Step S304, determining the triggering unit corresponding to the air outlet target position information and recording the target Target triggering unit;

Step S306, controlling the rotating plate to rotate in the first direction;

Step S308, determining whether the micro switch is triggered by the target triggering unit;

Step S310, when the micro switch is triggered by the target triggering portion, the control moving disk stops rotating;

Step S312, determining the correction duration corresponding to the air outlet target position information;

In step S314, when the micro switch is triggered by the target triggering unit, the control disc continues to rotate for the correction duration.

In this embodiment, a technical solution for correcting the duration is also added. When the micro switch is triggered by the target triggering portion, the moving disc can be controlled to continue to rotate for the correction duration, and the accuracy and flexibility of the air outlet position control are further improved by the correction duration. Therefore, the position control of the air outlet can better meet the user's needs and design requirements, and overcome the defect that the air outlet cannot stop between the relative positions of different trigger portions. It is also conceivable that the correction duration corresponding to any one of the triggering sections can be set, and the flexibility of the tuyere control can also be adjusted by adjusting the correction duration. At the same time, in this embodiment, the turntable is first stopped and then rotated for the correction duration. It is conceivable that the set time is such that the turntable continues to rotate for the correction duration when the micro switch is triggered by the target trigger.

The present invention also provides a control system 4 for the position of the air outlet, which system can be used in the air duct assembly described above or the air conditioner described above. As shown in FIG. 11, in an embodiment of the present invention, the air outlet position control system 4 includes: a receiving unit 402, configured to receive a control command, the control command includes air outlet target position information; and a determining unit 404, configured to The air outlet target position information determines the corresponding triggering portion and is recorded as the target triggering portion; the control unit 406 is configured to control the rotating plate to rotate in the first direction; and the determining unit 408 is configured to determine whether the microswitch is triggered by the target triggering portion The control unit 406 is further configured to control the rotating plate to stop when the micro switch is triggered by the target triggering portion.

The control system 4 of the air outlet position provided by the present invention determines whether the micro switch is triggered by the target triggering portion, thereby controlling the rotational position of the rotary disk to the target position, thereby moving the air outlet to the target position, thereby realizing the micro switch The signal feedback controls the rotation of the moving plate, thereby achieving precise control of the position of the air outlet, improving the flexibility of the air outlet control and the functionality of the device. At the same time, the position information of the air outlet can be directed to the reset position of the air outlet, so that the reset function of the air outlet can also be realized.

In an embodiment of the present invention, the determining unit 408 is further configured to determine whether the duration of the micro switch being triggered is equal to the first duration corresponding to the target triggering portion, wherein when the number of the triggering portions is multiple The widths of the multiple trigger sections are different.

In this embodiment, the widths of the plurality of triggering portions are different, so that the triggering duration may be different when different triggering portions trigger the microswitch, and by further determining the duration, it can be determined which one is The triggering unit triggers the micro switch to determine the relative position of the air outlet, thereby improving the accuracy of determining the position of the air outlet.

In an embodiment of the present invention, preferably, the control unit 406 is further configured to control the movable plate to rotate in the second direction after the turntable stops rotating, and the second direction is opposite to the direction of the first direction.

In this embodiment, after the turntable stops rotating, the control moving plate rotates in the second direction, so that the reverse swinging function of the air outlet is realized, and the limit position control of the swing in this form is more accurate, and the air outlet can be ensured. Swings within a preset swing range.

In an embodiment of the present invention, preferably, the receiving unit 402 is further configured to receive a rotation instruction, where the rotation instruction includes air outlet rotation position information; and the determining unit 404 is further configured to determine, according to the air outlet rotation position information, the corresponding trigger portion. And the judging unit 408 is further configured to determine whether the micro switch is triggered by the swing triggering portion; the control unit 406 is further configured to control the rotating disc to rotate in the first direction when the micro switch is triggered by the swing triggering portion; The determining unit 408 is further configured to determine whether the micro switch is triggered by the target triggering unit after the rotating plate rotates in the first direction; the control unit 406 is further configured to control the moving plate in the second direction when the micro switch is triggered by the target triggering portion Turn.

In this embodiment, the movable disc and the air outlet can achieve stable and reliable swing between the target triggering portion and the swing triggering portion, and the swinging limit position of the air outlet is the relative of the target triggering portion and the swinging trigger portion during the swinging process. The position is determined such that the range of its swing is more accurate, thereby improving the functionality of the device and the user experience.

In an embodiment of the present invention, the determining unit 404 is further configured to determine the correction duration corresponding to the air outlet target position information; the control unit 406 is further configured to control when the micro switch is triggered by the target triggering unit. The moving plate continues to rotate for the correction period.

In this embodiment, a technical solution for correcting the duration is also added. When the micro switch is triggered by the target triggering portion, the moving disc can be controlled to continue to rotate for the correction duration, and the accuracy and flexibility of the air outlet position control are further improved by the correction duration. , so that the position control of the air outlet can be more consistent User requirements and design requirements overcome the drawback that the air outlet cannot be stopped between the relative positions of the different triggers. It is also conceivable that the correction duration corresponding to any one of the triggering sections can be set, and the flexibility of the tuyere control can also be adjusted by adjusting the correction duration.

In the present invention, the term "plurality" means two or more, unless specifically defined otherwise. The terms "installation", "connected", "connected", "fixed" and the like should be understood broadly. For example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "connected" may They are directly connected or indirectly connected through an intermediary. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "specific embodiments" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in the present invention. At least one embodiment or example. In the present specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

A air duct assembly for an air conditioner, wherein the air duct assembly comprises:

a fixed disk, the first air outlet is disposed on the fixed plate;

a micro switch disposed on the fixed plate;

a moving plate, the moving plate is provided with a second air outlet, the moving plate is provided with at least one trigger portion along a circumferential direction thereof, the trigger portion is adapted to the micro switch, and the moving plate is rotatable Nested on the fixed plate, the airflow in the air conditioner first passes through the first air outlet and then flows out through the second air outlet;

a driving assembly, the driving assembly is coupled to the moving plate, and the driving assembly is configured to rotate the moving plate;

a controller, wherein the controller is respectively connected to the micro switch and the driving component;

The micro switch is triggered by the triggering portion and generates a trigger signal when the moving disc rotates, and the controller controls the driving component according to the trigger signal fed back by the micro switch, thereby controlling the The rotation of the moving plate and the position of the second air outlet.
The air duct assembly of claim 1 wherein

The number of the triggering portions is plural, and the plurality of the triggering portions are uniformly disposed on the movable plate.
The air duct assembly of claim 1 wherein

The number of the triggering portions is plural, and the widths of the plurality of the triggering portions are different.
The air duct assembly of claim 1 wherein

The number of the triggering portions is plural, and the gap between the two adjacent triggering portions is greater than or equal to 2 mm.
The air duct assembly of claim 1 wherein

The triggering portion is a convex rib, and the convex rib is provided with a guiding inclined surface.
The air duct assembly according to any one of claims 1 to 5, further comprising:

a first motor, the first motor is connected to the fixed plate, and the first motor is further connected to the controller;

a wind wheel, the wind wheel being coupled to an output shaft of the first motor.
A duct assembly according to any one of claims 1 to 5, wherein said drive The moving components include:

a second motor, the second motor being coupled to the fixed plate;

a first gear, the first gear being coupled to an output shaft of the second motor;

a second gear that meshes with the first gear;

a transmission rod, one end of the transmission rod is connected to the second gear;

a third gear connected to the other end of the transmission rod;

An annular rack is disposed on an inner wall surface of the movable plate, and the rack meshes with the third gear.
The air duct assembly according to claim 7, wherein

The number of teeth of the second gear is greater than the number of teeth of the third gear.
The air duct assembly according to any one of claims 1 to 5, further comprising:

a roller disposed at a lower portion of the movable plate;

A slide is arranged on the fixed plate, and the slide is adapted to the roller.
An air conditioner, comprising:

A duct assembly according to any one of claims 1 to 9.
A method for controlling the position of an air outlet, the air duct assembly according to any one of claims 1 to 9 or the air conditioner according to claim 10, wherein the air outlet position is controlled include:

Receiving a control instruction, where the control instruction includes air outlet target position information;

Determining the trigger portion corresponding to the air outlet target position information and recording it as a target trigger portion;

Controlling the moving plate to rotate in the first direction;

Determining whether the micro switch is triggered by the target triggering unit;

When the micro switch is triggered by the target trigger, the moving disc is controlled to stop rotating.
The method of controlling the position of the air outlet according to claim 11, wherein the determining whether the micro switch is triggered by the target triggering unit comprises:

Determining whether the duration of the microswitch being triggered is equal to a first duration corresponding to the target triggering portion, wherein when the number of the triggering portions is plural, the widths of the plurality of the triggering portions are different .
A method of controlling the position of an air outlet according to claim 12, further comprising include:

After the turntable stops rotating, the moving plate is controlled to rotate in a second direction, and the second direction is opposite to the direction of the first direction.
The method for controlling the position of an air outlet according to claim 13, further comprising:

Receiving a swing command, the swing command including information on the position of the air outlet;

Determining the triggering portion corresponding to the air outlet rotation position information and recording it as a rotation triggering portion;

Determining whether the micro switch is triggered by the rotation triggering portion;

Controlling the moving plate to rotate in the first direction when the micro switch is triggered by the rotation triggering portion;

After the moving disk rotates in the first direction, it is determined whether the micro switch is triggered by the target triggering portion;

When the micro switch is triggered by the target triggering portion, the moving plate is controlled to rotate in the second direction.
The method for controlling the position of an air outlet according to any one of claims 11 to 14, further comprising:

Determining, according to the air outlet target position information, a correction duration corresponding thereto;

When the micro switch is triggered by the target triggering portion, the moving disc is controlled to continue to rotate the correction duration.
A control system for an air outlet position, the air duct assembly according to any one of claims 1 to 9 or the air conditioner according to claim 10, wherein the air outlet position control system include:

a receiving unit, configured to receive a control instruction, where the control instruction includes air outlet target position information;

a determining unit, configured to determine the triggering portion corresponding to the air outlet target position information and record it as a target triggering portion;

a control unit, configured to control the rotating plate to rotate in a first direction;

a determining unit, configured to determine whether the micro switch is triggered by the target triggering unit;

The control unit is further configured to control the micro switch when the micro switch is triggered by the target trigger The moving plate stops rotating.
A control system for an air outlet position according to claim 16, wherein

The determining unit is further configured to determine whether a duration of the triggering of the micro switch is equal to a first duration corresponding to the target triggering portion, where, when the number of the triggering portions is multiple, the plurality of The width of the trigger is different.
A control system for an air outlet position according to claim 17, wherein:

The control unit is further configured to control the moving plate to rotate in a second direction after the rotating plate stops rotating, and the second direction is opposite to the direction of the first direction.
A control system for an air outlet position according to claim 18, wherein

The receiving unit is further configured to receive a swing command, where the swing command includes air outlet swivel position information;

The determining unit is further configured to determine the triggering portion corresponding to the air outlet rotation position information and record it as a rotation triggering portion;

The determining unit is further configured to determine whether the micro switch is triggered by the rotation triggering portion;

The control unit is further configured to control the moving plate to rotate in the first direction when the micro switch is triggered by the rotation triggering portion;

The determining unit is further configured to: after the rotating disk rotates in the first direction, determine whether the micro switch is triggered by the target triggering portion;

The control unit is further configured to control the moving disc to rotate in the second direction when the micro switch is triggered by the target triggering portion.
A control system for an air outlet position according to any one of claims 16 to 19, characterized in that

The determining unit is further configured to determine, according to the air outlet target position information, a correction duration corresponding thereto;

The control unit is further configured to control the moving disc to continue to rotate the correction duration when the micro switch is triggered by the target triggering portion.