CN112484150B - Air volume adjusting mechanism, air duct structure, air conditioner and air volume adjusting method - Google Patents
Air volume adjusting mechanism, air duct structure, air conditioner and air volume adjusting method Download PDFInfo
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- CN112484150B CN112484150B CN202011222365.0A CN202011222365A CN112484150B CN 112484150 B CN112484150 B CN 112484150B CN 202011222365 A CN202011222365 A CN 202011222365A CN 112484150 B CN112484150 B CN 112484150B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008859 change Effects 0.000 claims abstract description 8
- 210000002105 tongue Anatomy 0.000 claims description 118
- 230000033001 locomotion Effects 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 239000012790 adhesive layer Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008844 regulatory mechanism Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an air volume adjusting mechanism, an air duct structure, an air conditioner and an air volume adjusting method, relates to the technical field of air conditioners, and solves the technical problems that in the prior art, a wind shield cannot adjust the air volume of an upper air outlet and a lower air outlet, and the power consumption is increased and noise is caused by adjusting the air volume by adjusting the rotating speed of a motor. The air quantity adjusting mechanism comprises a mounting box, a volute tongue and a moving assembly, wherein the mounting box arranged on an air duct is provided with an accommodating part, the moving assembly is arranged in the accommodating part, the volute tongue is connected with the moving assembly, and the moving assembly is used for driving the volute tongue to move towards the direction far away from the mounting box or towards the direction close to the mounting box so as to extend or shorten the length of the volute tongue, and the size of an air outlet and the length of a molded line of air flowing through the volute are adjusted through the change of the length of the volute tongue. The air quantity adjusting mechanism of the invention adjusts the size of the air outlet and the length of the molded line of the gas flowing through the volute by the change of the length of the volute tongue, thereby realizing the adjustment of the air quantity of the air outlet.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to an air volume adjusting mechanism, an air duct structure, an air conditioner and an air volume adjusting method.
Background
In order to realize cold and hot distributed air supply, an existing air conditioner is generally provided with an upper air outlet and a lower air outlet. The air conditioner has upper and lower air outlets with wind boards (or volute tongues) installed separately, and the wind boards are opened and closed to realize single outlet.
However, the applicant has found that the prior art air conditioner has at least the following drawbacks: (1) the wind shield can only realize the opening and closing of the upper and lower air outlets, and cannot adjust the air volume of the upper and lower air outlets; (2) the air output of the air conditioner can only be adjusted by adjusting the rotating speed of the motor at present, and the mode not only can increase the power consumption of the air conditioner, but also can cause the noise problem. Therefore, there is an urgent need for improvement of the existing air conditioner.
Disclosure of Invention
One of the purposes of the invention is to provide an air volume adjusting mechanism, an air duct structure, an air conditioner and an air volume adjusting method, which solve the technical problems that in the prior art, the air volume of an upper air outlet and a lower air outlet cannot be adjusted by a wind baffle, and the power consumption is increased and noise is caused by adjusting the air volume by adjusting the rotating speed of a motor. The various technical effects that can be produced by the preferred technical solution of the present invention are described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the air volume adjusting mechanism comprises a mounting box, a volute tongue and a moving assembly, wherein the mounting box mounted on an air duct is provided with a containing part, the moving assembly is mounted in the containing part, the volute tongue is connected with the moving assembly, and the moving assembly is used for driving the volute tongue to move towards a direction far away from the mounting box or towards a direction close to the mounting box so as to extend or shorten the length of the volute tongue, and the size of an air outlet and the length of a molded line of air flowing through the volute are adjusted through the change of the length of the volute tongue.
According to a preferred embodiment, the moving assembly comprises a rack, a gear and a driving motor, wherein one end of the rack is connected with the volute tongue, the rack is meshed with the gear, the driving motor is connected with the gear, and the driving motor drives the gear to rotate to drive the volute tongue to move towards a direction far away from the mounting box or a direction close to the mounting box.
According to a preferred embodiment, when the driving motor rotates in the forward direction, the gear moves in the direction away from the volute tongue, and the volute tongue is pushed to move in the direction away from the mounting box by the movement of the gear; when the driving motor rotates reversely, the gear moves towards the direction close to the volute tongue and drives the volute tongue to move towards the direction close to the mounting box through the movement of the gear.
According to a preferred embodiment, pulleys are arranged at two ends of the volute tongue, and the volute casing cover are provided with motion guide rails for the pulleys to slide, so that the volute tongue can move along the motion guide rails in a direction away from the mounting box or in a direction close to the mounting box.
According to a preferred embodiment, the volute tongue is made of a soft rubber material; or the volute tongue is made of plastic materials, and the periphery of the volute tongue is wrapped with the soft adhesive layer.
According to a preferred embodiment, the surface of the mounting box is a structure matched with the shape of the inner wall of the air duct, and the radian of the wall surface of the mounting box close to one side of the air duct is matched with the radian of the wall surface of the air duct wall.
The air duct structure comprises a volute, a volute cover and the air volume adjusting mechanism in any technical scheme, wherein an upper air outlet and a lower air outlet are formed between the volute and the volute cover, and the air volume adjusting mechanism is respectively installed on air ducts of the upper air outlet and the lower air outlet.
The air conditioner comprises the air duct structure in any technical scheme.
The air volume adjusting method is realized based on the air volume adjusting mechanism in any technical scheme of the invention, and the method determines the movement direction of the volute tongues at the upper air outlet and/or the lower air outlet based on the working mode of the air conditioner.
According to a preferred embodiment, when the air conditioner is in an activated state, the volute tongues at the upper air outlet and the lower air outlet are in a contracted state, the widths of the upper air outlet and the lower air outlet are the same, and the lengths of molded lines of air flowing through the volute casings at the upper air outlet and the lower air outlet are the same; when the air conditioner is in a refrigeration mode, the volute tongue at the lower air outlet moves towards the direction far away from the mounting box, and the volute tongue at the lower air outlet extends, so that the width of the lower air outlet is reduced, and the molded line of the gas at the upper air outlet flowing through the volute casing is lengthened; when the air conditioner is in a heating mode, the volute tongue at the upper air outlet moves towards the direction far away from the mounting box, and the volute tongue at the upper air outlet extends, so that the width of the upper air outlet is reduced, and the molded line of the air at the lower air outlet flowing through the volute casing is lengthened.
According to a preferred embodiment, the method further determines the movement distance of the volute tongue at the upper air outlet and/or the lower air outlet based on the air volume gear of the air conditioner.
According to a preferred embodiment, when the air conditioner is in a first gear, the volute tongue at the upper air outlet and/or the lower air outlet is in a contracted state; when the air conditioner is in a second gear, the movement distance of the volute tongue at the upper air outlet and/or the lower air outlet is 1/3 of the width of the upper air outlet and/or the lower air outlet; when the air conditioner is in a third gear, the movement distance of the volute tongue at the upper air outlet and/or the lower air outlet is 2/3 of the width of the upper air outlet and/or the lower air outlet; when the air conditioner is in a single air outlet mode, the movement distance of the volute tongue at the upper air outlet or the lower air outlet is the width of the upper air outlet or the lower air outlet.
The air volume adjusting mechanism, the air duct structure, the air conditioner and the air volume adjusting method provided by the invention at least have the following beneficial technical effects:
the air quantity adjusting mechanism provided by the invention drives the volute tongue to move through the moving component and can extend or shorten the length of the volute tongue, so that the size of the air outlet and the length of the molded line of the air flowing through the volute can be adjusted through the change of the length of the volute tongue, and the air quantity of the air outlet is adjusted. The air quantity adjusting mechanism of the invention can not only realize the adjustment of the air quantity of the air outlet, but also does not need to change the rotating speed of the motor. The air quantity adjusting mechanism solves the technical problems that in the prior art, the air quantity of the upper air outlet and the air quantity of the lower air outlet cannot be adjusted by the wind shield, and the power consumption is increased and noise is caused by adjusting the rotating speed of the motor to adjust the air quantity.
The air duct structure provided by the invention comprises the volute, the volute cover and the air volume adjusting mechanism in any technical scheme, wherein an upper air outlet and a lower air outlet are formed between the volute and the volute cover, and the air volume adjusting mechanisms are respectively arranged on the air ducts of the upper air outlet and the lower air outlet, so that the independent adjustment of the air volume of the upper air outlet and the air volume of the lower air outlet can be realized through the air volume adjusting mechanisms.
The air conditioner provided by the invention comprises the air duct structure in any technical scheme of the invention, and the air output of the upper air outlet and/or the lower air outlet can be adjusted, so that the comfort of a user is improved.
The air volume adjusting method provided by the invention is realized based on the air volume adjusting mechanism of any technical scheme of the invention, and the method determines the movement direction of the volute tongue at the upper air outlet and/or the lower air outlet based on the working mode of the air conditioner, namely the air volume adjusting method of the invention adjusts the air volume of the upper air outlet and/or the lower air outlet based on the working mode of the air conditioner, thereby improving the comfort of users.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is an exploded schematic view of a preferred embodiment of an air volume adjusting mechanism of the present invention;
FIG. 2 is an assembled view showing a preferred embodiment of the air quantity adjusting mechanism of the present invention;
FIG. 3 is an exploded schematic view of a preferred embodiment of the air duct structure of the present invention;
FIG. 4 is an assembled schematic view of a preferred embodiment of the air duct structure of the present invention;
FIG. 5 is a schematic view of a preferred embodiment of the air duct structure of the present invention when the air conditioner is in a start-up state;
FIG. 6 is a schematic view of a preferred embodiment of the air duct structure of the present invention when the air conditioner is in a cooling mode;
fig. 7 is a schematic view of a preferred embodiment of the air duct structure according to the present invention when the air conditioner is in a heating state.
In the figure: 1. an air volume adjusting mechanism; 11. mounting a box; 111. a box body; 112. a box cover; 12. a volute tongue; 121. a pulley; 13. a rack; 14. a gear; 15. a drive motor; 21. a volute; 22. a worm case cover; 23. a moving guide rail; 24. an upper air outlet; 25. a lower air outlet; 26. a first profile; 27. a second profile; 3. and (4) centrifugal fan blades.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The air volume adjusting mechanism, the air duct structure, the air conditioner and the air volume adjusting method according to the present invention will be described in detail with reference to fig. 1 to 7 and embodiments 1 to 4 of the specification.
Example 1
This embodiment will explain the air volume adjusting mechanism of the present invention in detail with reference to fig. 1 and 2.
The air volume adjusting mechanism 1 of the present embodiment includes a mounting box 11, a volute tongue 12, and a moving assembly, as shown in fig. 1 or 2. Preferably, the mounting box 11 mounted on the air duct has a receiving portion, the moving component is mounted in the receiving portion, the volute tongue 12 is connected with the moving component, and the moving component is used for driving the volute tongue 12 to move towards a direction away from the mounting box 11 or towards a direction close to the mounting box 11, so that the length of the volute tongue 12 is extended or shortened, and the size of the air outlet and the profile length of the air flowing through the volute casing 21 are adjusted by changing the length of the volute tongue 12. The air volume adjusting mechanism 1 of the present embodiment can also be said to be a retractable volute tongue mechanism.
The air volume adjusting mechanism 1 provided by the embodiment drives the volute tongue 12 to move through the moving component and can extend or shorten the length of the volute tongue 12, so that the size of the air outlet and the length of the molded line of the air flowing through the volute casing 21 can be adjusted through the change of the length of the volute tongue 12, and further the air volume of the air outlet can be adjusted. The air quantity adjusting mechanism 1 of the embodiment can not only realize the adjustment of the air quantity of the air outlet, but also does not need to change the rotating speed of the motor. The air volume adjusting mechanism 1 of this embodiment has solved prior art in the wind deflector can't adjust the amount of wind of air outlet about and adjust the air output through adjustment motor speed and can cause the consumption increase and arouse the technical problem of noise.
According to a preferred embodiment, the movement assembly comprises a rack 13, a gear 14 and a drive motor 15, as shown in fig. 1. Preferably, one end of the rack 13 is connected with the volute tongue 12, the rack 13 is meshed with the gear 14, the driving motor 15 is connected with the gear 14, and the rotation of the gear 14 is driven by the driving motor 15 to drive the volute tongue 12 to move towards a direction far away from the mounting box 11 or towards a direction close to the mounting box 11. More preferably, the rack 13 is disposed on a plate, and an end of the plate is engaged with the volute tongue 12, so that the gear 14 can drive the rack 13 to move, thereby driving the volute tongue 12 to move. Without being limited thereto, the end of the plate body may be fixedly connected to the volute tongue 12.
Preferably, when the driving motor 15 rotates in the forward direction, the gear 14 moves away from the volute tongue 12, and the volute tongue 12 is pushed to move away from the mounting box 11 by the movement of the gear 14. As shown in fig. 1 or 2, when the driving motor 15 rotates in the forward direction and the gear 14 moves away from the volute tongue 12, the gear 14 is engaged with the rack 13, so that the rack 13 can be pushed by the rotation of the gear 14 to drive the volute tongue 12 to move away from the mounting box 11, thereby extending the length of the volute tongue 12, and further adjusting the size of the air outlet and the profile length of the air flowing through the volute casing 21.
Preferably, when the driving motor 15 rotates reversely, the gear 14 moves towards the direction close to the volute tongue 12, and the movement of the gear 14 drives the volute tongue 12 towards the direction close to the mounting box 11. As shown in fig. 1 or 2, when the driving motor 15 rotates in the reverse direction and the gear 14 moves towards the direction close to the volute 12, the gear 14 is engaged with the rack 13, so that the rack 13 can be pushed by the rotation of the gear 14 to drive the volute 12 to move towards the direction close to the mounting box 11, thereby shortening the length of the volute 12, and further adjusting the size of the air outlet and the profile length of the air flowing through the volute 21.
According to a preferred embodiment, the two ends of the volute tongue 12 are provided with pulleys 121, and the volute casing 21 and the volute casing cover 22 are provided with the movement guide rails 23 on which the pulleys 121 slide, so that the volute tongue 12 can move along the movement guide rails 23 in a direction away from the mounting box 11 or in a direction close to the mounting box 11. The pulleys 121 at the two ends of the volute tongue 12 are shown in fig. 1 or 2, and the motion guide rails 23 on the volute casing 21 and the volute casing cover 22 are shown in fig. 4. Because the air volume is adjusted when the air volume is in an operation state, the volute tongue 12 can continuously bear the action of the air pressure when extending out, the preferable technical proposal of the embodiment sets the pulley 121 on the volute tongue 12, sets the motion guide rail 23 for the pulley 121 to slide on the volute casing 21 and the volute casing cover 22, when the volute tongue 12 extends or shortens, the volute tongue 12 moves along the motion guide rail 23, which can ensure the reliability of the motion of the volute tongue 12 and prevent the volute tongue 12 from losing efficacy when being stressed by the air pressure.
According to a preferred embodiment, the volute tongue 12 is made of a soft gel material. Or the volute tongue 12 is made of plastic materials, and the periphery of the volute tongue 12 is wrapped with a soft adhesive layer. The soft rubber material and the plastic material are common materials in the prior art and are not described in detail here. The volute tongue 12 of the preferred technical scheme of this embodiment is made of a full soft rubber material, or the volute tongue 12 is made of a plastic material, and a layer of soft rubber layer is wrapped around the volute tongue 12, so that the sealing effect can be achieved by using the ductility of the soft rubber material, the moving sealing performance of the volute tongue 12 is ensured, and air leakage is avoided when the air outlet is in a closed state.
According to a preferred embodiment, the surface of the mounting box 11 is a structure matched with the shape of the inner wall of the air duct, and the radian of the wall surface of the mounting box 11 close to one side of the air duct is matched with the radian of the wall surface of the air duct wall. The surface of the installation box 11 of the preferred technical scheme of this embodiment is the structure matched with the inner wall shape in wind channel to the installation box 11 is close to the wall radian of wind channel one side and the wall radian phase-match of wind channel wall, and the installation back is not only convenient for hide air regulation mechanism 1, can make the inside molded lines in wind channel not receive the destruction in addition, avoids the noise problem because of wind channel inner wall unevenness leads to.
Preferably, the mounting box 11 is a split structure, and includes a box body 111 and a box cover 112, and the box body 111 and the box cover 112 cover each other to form a receiving portion for mounting the moving component. The mounting box 11 of the preferred technical scheme of this embodiment is a split type structure, is convenient for install the motion subassembly.
Example 2
This embodiment will explain the air duct structure of the present invention in detail with reference to fig. 3 and 4.
The air duct structure of the present embodiment includes a volute casing 21, a volute casing cover 22, and the air volume adjusting mechanism 1 according to any one of the embodiments 1, as shown in fig. 3 or 4. Preferably, an upper air outlet 24 and a lower air outlet 25 are formed between the scroll casing 21 and the scroll casing cover 22, and the air volume adjusting mechanisms 1 are respectively installed on the air ducts of the upper air outlet 24 and the lower air outlet 25.
According to a preferred embodiment, the air duct structure further comprises a centrifugal fan blade 3, and the centrifugal fan blade 3 is installed between the volute 21 and the volute cover 22 and located between the upper air outlet 24 and the lower air outlet 25.
The mounting box 11 is provided with a screw hole, when mounting, the air volume adjusting mechanism 1 is mounted on the volute casing 21 through the connection between the mounting box 11 and the volute casing 21, and then the volute casing cover 22 is covered, so that the air volume adjusting mechanism 1 is fixed between the volute casing 21 and the volute casing cover 22. Specifically, the air volume adjusting mechanism 1 of the preferred technical solution of the present embodiment is installed at the position of the original volute tongue on the volute casing 21, so as to replace the existing volute tongue.
The air duct structure of this embodiment includes the spiral case 21, the spiral case cover 22 and the air volume adjusting mechanism 1 of any technical scheme of this embodiment, is formed with upper air outlet 24 and lower air outlet 25 between spiral case 21 and the spiral case cover 22 to install air volume adjusting mechanism 1 on the wind duct of upper air outlet 24 and lower air outlet 25 respectively, thereby accessible air volume adjusting mechanism 1 realizes that the air volume of upper air outlet 24 and lower air outlet 25 is independently adjustable. The air duct structure of the embodiment can independently adjust the air volume of the upper air outlet 24 and the lower air outlet 25, and solves the problem that the air volume of a single air outlet cannot be controlled by the existing air conditioner.
Example 3
This embodiment will explain the air conditioner of the present invention in detail.
The air conditioner of this embodiment includes the wind channel structure of any one of technical scheme in embodiment 2. The same structure of the air conditioner as that of the prior art will not be described herein. Preferably, the air conditioner of the present embodiment is a single-fan cabinet, and includes an upper air outlet 24 and a lower air outlet 25.
The air conditioner of this embodiment includes the wind channel structure of any one of technical scheme in embodiment 2, and the air output of adjustable upper air outlet 24 and/or lower air outlet 25 to can improve user's travelling comfort.
Example 4
In this embodiment, the air volume adjusting method of the present invention will be described in detail with reference to fig. 5 to 7.
The air volume adjusting method of the present embodiment is implemented based on the air volume adjusting mechanism 1 according to any one of the technical solutions in embodiment 1, and determines the moving direction of the volute tongue 12 at the upper outlet 24 and/or the lower outlet 25 based on the operating mode of the air conditioner.
The air volume adjusting method of the present embodiment is implemented based on the air volume adjusting mechanism 1 according to any one of the technical solutions in embodiment 1, and the method determines the moving direction of the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25 based on the operating mode of the air conditioner, so as to extend or shorten the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25, and thus the size of the upper air outlet 24 and/or the lower air outlet 25 and the profile length of the air flowing through the volute casing 21 can be adjusted by changing the length of the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25, and further, the air volume adjustment of the upper air outlet 24 and/or the lower air outlet 25 is implemented. That is, the air volume adjusting method of the present embodiment adjusts the air volume of the upper air outlet 24 and/or the lower air outlet 25 based on the operating mode of the air conditioner, so that the comfort of the user can be improved.
The air blown out by the centrifugal fan blade 3 can be discharged from the upper air outlet 24 and/or the lower air outlet 25 along the inner wall of the volute 21, the profile of the air discharged from the upper air outlet 24 flowing through the volute 21 is shown as a first profile 26 in fig. 5-7, the profile of the air discharged from the lower air outlet 25 flowing through the volute 21 is shown as a second profile 27 in fig. 5-7, the air has a certain compression effect when flowing through the inner wall, the compression effect accelerates the flow of the air, the longer the profile of the air flowing through is, the larger the compression effect is, the larger the air speed is, and the larger the air volume is discharged. Specifically, if the length of the first profile 26 is longer than that of the second profile 27, the air volume discharged from the upper air outlet 24 is greater than that discharged from the lower air outlet 25; if the length of the first molded line 26 is shorter than that of the second molded line 27, the air volume discharged from the upper air outlet 24 is smaller than that discharged from the lower air outlet 25; if the length of the first profile 26 is equal to the length of the second profile 27, the air volume discharged from the upper outlet 24 is equal to the air volume discharged from the lower outlet 25.
Preferably, when the air conditioner is in the starting state, the volute tongues 12 at the upper air outlet 24 and the lower air outlet 25 are in the contraction state, the widths of the upper air outlet 24 and the lower air outlet 25 are the same, and the molded lines of the air flowing through the volute casing 21 at the upper air outlet 24 and the lower air outlet 25 are the same, as shown in fig. 5. Specifically, when the air conditioner is in a start state, the volute tongue 12 at the upper air outlet 24 and the lower air outlet 25 is in a contracted state by default (a schematic diagram of the volute tongue 12 in the contracted state is shown in fig. 2), the upper air outlet 24 and the lower air outlet 25 are completely opened, the sizes of the upper air outlet 24 and the lower air outlet 25 are the same, the lengths of molded lines of the air flowing through the volute casing 21 of the upper air outlet 24 and the air flowing through the lower air outlet 25 are the same, and the air output of the upper air outlet 24 is the same as the air output of the lower air outlet 25.
Preferably, when the air conditioner is in a cooling mode, the volute 12 at the lower outlet 25 moves away from the mounting box 11, and the volute 12 at the lower outlet 25 is extended, so that the width of the lower outlet 25 is reduced and the profile of the air flowing through the volute 21 at the upper outlet 24 is lengthened, as shown in fig. 6. Specifically, when the air conditioner is in the mode of refrigeration, because cold air is heavier, the air conditioning that blows off can be by the eminence toward sinking, if the air output of last air outlet 24 is the same with the air output of lower air outlet 25, and the cold wind that lower air outlet 25 came out is whole to sink subaerial, and the cold wind that goes out of last air outlet 24 evenly gives the upper space, causes upper space and lower floor space temperature inhomogeneous, influences user's travelling comfort. When the air conditioner is in a cooling mode, the preferred technical scheme of the embodiment takes the upper air outlet 24 as a main air outlet to output more air volume, and at this time, the volute tongue 12 at the lower air outlet 25 is extended, so that the width of the lower air outlet 25 is reduced, the air volume of the lower air outlet 25 is weakened, meanwhile, the molded line of the air flowing through the volute casing 21 at the upper air outlet 24 is lengthened, and the air volume of the upper air outlet 24 is increased, so that the air volume of the upper air outlet 24 is greater than that of the lower air outlet 25.
Preferably, when the air conditioner is in the heating mode, the volute 12 at the upper air outlet 24 moves away from the mounting box 11, and the volute 12 at the upper air outlet 24 is elongated, so that the width of the upper air outlet 24 is reduced and the profile of the air flowing through the volute 21 at the lower air outlet 25 is lengthened, as shown in fig. 7. Specifically, when the air conditioner is in the mode of heating, because hot-air is lighter, the hot-air that blows off can rise toward the eminence by the low, if the air output of last air outlet 24 is the same with the air output of lower air outlet 25, and the hot-blast roof that floats to that goes out of last air outlet 24 is whole, leads to upper space and lower floor's space uneven temperature, influences user's travelling comfort. When the air conditioner is in the heating mode, the preferred technical scheme of this embodiment outputs more air volume with the lower air outlet 25 as the main air outlet, and the volute tongue 12 at the upper air outlet 24 is extended at this moment, so that the width of the upper air outlet 24 is reduced, the air volume of the upper air outlet 24 is weakened, meanwhile, the molded line of the air flowing through the volute 21 at the lower air outlet 25 is lengthened, and the air volume of the lower air outlet 25 is increased, so that the air volume of the upper air outlet 24 is smaller than that of the lower air outlet 25.
According to a preferred embodiment, the air volume adjusting method further determines the movement distance of the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25 based on the air volume gear of the air conditioner. Preferably, when the air conditioner is in the first gear, the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25 is in a contracted state; when the air conditioner is in the second gear, the movement distance of the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25 is 1/3 of the width of the upper air outlet 24 and/or the lower air outlet 25; when the air conditioner is in the third gear, the movement distance of the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25 is 2/3 of the width of the upper air outlet 24 and/or the lower air outlet 25; when the air conditioner is in the single air outlet mode, the movement distance of the volute tongue 12 at the upper air outlet 24 or the lower air outlet 25 is the width of the upper air outlet 24 or the lower air outlet 25.
In the preferred technical scheme of this embodiment, the first gear can also be referred to as an ultra-strong gear, and at this time, the upper air outlet 24 and/or the lower air outlet 25 are/is fully opened, and the air volume adjusting mechanism 1 does not need to be operated; the second gear can also be called as a middle wind stop, and the opening width of the upper wind outlet 24 and/or the lower wind outlet 25 is 2/3, that is, the movement distance of the volute tongue 12 at the upper wind outlet 24 and/or the lower wind outlet 25 is 1/3 of the width of the wind channel opening; the third gear can also be called a low damper, the opening width of the upper air outlet 24 and/or the lower air outlet 25 is 1/3, that is, the moving distance of the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25 is 2/3 of the width of the air duct opening; when the air conditioner is in the single air outlet mode, the upper air outlet 24 or the lower air outlet 25 is completely closed, and the movement distance of the volute tongue 12 at the upper air outlet 24 or the lower air outlet 25 is the width of the air duct opening.
In the preferred technical scheme of the embodiment, the movement distance of the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25 is determined based on the air volume gear of the air conditioner, so that the comfort of a user can be further improved. It can be known that, in the present embodiment, the movement distance of the volute tongue 12 at the upper air outlet 24 and/or the lower air outlet 25 is not limited to the above-mentioned gear positions, and other more gear positions may be provided.
In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (11)
1. The air volume adjusting mechanism is characterized by comprising a mounting box (11), a volute tongue (12) and a moving assembly, wherein the mounting box (11) mounted on an air duct is provided with a containing part, the moving assembly is mounted in the containing part, the volute tongue (12) is connected with the moving assembly,
the moving assembly is used for driving the volute tongue (12) to move towards a direction far away from the mounting box (11) or a direction close to the mounting box (11) so as to extend or shorten the length of the volute tongue (12), and the size of an air outlet and the length of a molded line of air flowing through the volute (21) are adjusted through the change of the length of the volute tongue (12);
the surface of the mounting box (11) is of a structure matched with the shape of the inner wall of the air duct, and the radian of the wall surface of the mounting box (11) close to one side of the air duct is matched with the radian of the wall surface of the air duct wall.
2. Air volume adjusting mechanism according to claim 1, characterized in that the moving assembly comprises a rack (13), a gear (14) and a drive motor (15), wherein,
one end of the rack (13) is connected with the volute tongue (12), the rack (13) is meshed with the gear (14), the driving motor (15) is connected with the gear (14), and the driving motor (15) drives the gear (14) to rotate to drive the volute tongue (12) to move towards the direction far away from the mounting box (11) or towards the direction close to the mounting box (11).
3. The air quantity adjusting mechanism according to claim 2, characterized in that when the driving motor (15) rotates in the forward direction, the gear (14) moves in a direction away from the volute tongue (12), and the volute tongue (12) is pushed to move in a direction away from the mounting box (11) by the movement of the gear (14);
when the driving motor (15) rotates reversely, the gear (14) moves towards the direction close to the volute tongue (12), and the movement of the gear (14) drives the volute tongue (12) to move towards the direction close to the mounting box (11).
4. The air volume adjusting mechanism according to claim 1, wherein pulleys (121) are provided at both ends of the volute tongue (12), and a movement guide rail (23) for the pulleys (121) to slide is provided on the volute (21) and the volute cover (22),
so that the volute tongue (12) can move along the moving guide rail (23) in a direction away from the mounting box (11) or in a direction close to the mounting box (11).
5. The air volume adjusting mechanism according to claim 1, characterized in that the volute tongue (12) is made of soft rubber material; or the volute tongue (12) is made of plastic materials, and the periphery of the volute tongue (12) is wrapped with a soft adhesive layer.
6. An air duct structure, characterized by comprising a volute (21), a volute cover (22) and the air volume adjusting mechanism of one of claims 1 to 5, wherein an upper air outlet (24) and a lower air outlet (25) are formed between the volute (21) and the volute cover (22), and the air volume adjusting mechanism is respectively mounted on the air ducts of the upper air outlet (24) and the lower air outlet (25).
7. An air conditioner characterized by comprising the air duct structure of claim 6.
8. An air volume adjusting method, characterized in that the method is realized based on the air volume adjusting mechanism of one of claims 1 to 5, and the method determines the moving direction of the volute tongue (12) at the upper air outlet (24) and/or the lower air outlet (25) based on the working mode of the air conditioner.
9. The air volume adjusting method according to claim 8, wherein when the air conditioner is in an on state, the volute tongues (12) at the upper air outlet (24) and the lower air outlet (25) are in a contracted state, the widths of the upper air outlet (24) and the lower air outlet (25) are the same, and the molded line lengths of the air flowing through the volute casing (21) at the upper air outlet (24) and the lower air outlet (25) are the same;
when the air conditioner is in a cooling mode, the volute tongue (12) at the lower air outlet (25) moves towards the direction far away from the mounting box (11), and the volute tongue (12) at the lower air outlet (25) is extended, so that the width of the lower air outlet (25) is reduced, and the molded line of the air at the upper air outlet (24) flowing through the volute (21) is lengthened;
when the air conditioner is in a heating mode, the volute tongue (12) at the upper air outlet (24) moves towards the direction far away from the mounting box (11), and the volute tongue (12) at the upper air outlet (24) is extended, so that the width of the upper air outlet (24) is reduced, and the molded line of the air flowing through the volute (21) at the lower air outlet (25) is lengthened.
10. Air volume adjusting method according to claim 8 or 9, characterized in that it also determines the movement distance of the volute tongue (12) at the upper outlet (24) and/or the lower outlet (25) based on the air volume gear of the air conditioner.
11. The air volume adjusting method according to claim 10, characterized in that when the air conditioner is in a first gear, the volute tongue (12) at the upper air outlet (24) and/or the lower air outlet (25) is in a contracted state;
when the air conditioner is in a second gear, the movement distance of the volute tongue (12) at the upper air outlet (24) and/or the lower air outlet (25) is 1/3 of the width of the upper air outlet (24) and/or the lower air outlet (25);
when the air conditioner is in a third gear, the movement distance of the volute tongue (12) at the upper air outlet (24) and/or the lower air outlet (25) is 2/3 of the width of the upper air outlet (24) and/or the lower air outlet (25);
when the air conditioner is in a single air outlet mode, the movement distance of the volute tongue (12) at the upper air outlet (24) or the lower air outlet (25) is the width of the upper air outlet (24) or the lower air outlet (25).
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| CN202011222365.0A CN112484150B (en) | 2020-11-05 | 2020-11-05 | Air volume adjusting mechanism, air duct structure, air conditioner and air volume adjusting method |
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| CN202011222365.0A CN112484150B (en) | 2020-11-05 | 2020-11-05 | Air volume adjusting mechanism, air duct structure, air conditioner and air volume adjusting method |
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| CN113339303B (en) * | 2021-06-30 | 2022-06-24 | 福建力得电气有限公司 | Cross-flow type cooling fan with damping function for dry type transformer |
| CN114165465B (en) * | 2021-12-20 | 2022-10-18 | 东北大学 | A centrifugal fan with double outlet adjustable structure volute |
| CN114738835B (en) * | 2022-04-20 | 2024-02-27 | 珠海格力电器股份有限公司 | Fresh air device, air conditioner and fresh air control method |
| CN115823653A (en) * | 2022-12-08 | 2023-03-21 | 山东格瑞德集团有限公司 | Air conditioning unit with technical air supply |
| CN118654034B (en) * | 2024-08-19 | 2024-11-08 | 格力电器(赣州)有限公司 | Fan assembly, air conditioner and control method |
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| CN104456895B (en) * | 2014-12-09 | 2018-03-06 | 珠海格力电器股份有限公司 | Wind shield structure and air outlet structure and air conditioner |
| CN104807096A (en) * | 2015-05-08 | 2015-07-29 | 珠海格力电器股份有限公司 | Indoor machine of air conditioner |
| CN110056957A (en) * | 2019-04-16 | 2019-07-26 | 珠海格力电器股份有限公司 | Air conditioner indoor unit, air outlet control method thereof and air conditioner |
| CN111076295A (en) * | 2020-01-06 | 2020-04-28 | 珠海格力电器股份有限公司 | Air duct structure, air conditioner cabinet and air conditioner |
| CN111141016B (en) * | 2020-01-06 | 2023-12-15 | 珠海格力电器股份有限公司 | Wind shielding mechanism, air supply system with same, air conditioner and control method |
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