CN112128141A - Volute tongue structure, wall-mounted unit and air conditioner - Google Patents
Volute tongue structure, wall-mounted unit and air conditioner Download PDFInfo
- Publication number
- CN112128141A CN112128141A CN201910550979.2A CN201910550979A CN112128141A CN 112128141 A CN112128141 A CN 112128141A CN 201910550979 A CN201910550979 A CN 201910550979A CN 112128141 A CN112128141 A CN 112128141A
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- Prior art keywords
- tongue
- connecting rod
- plate
- cross
- flow fan
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/422—Discharge tongues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/002—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying geometry within the pumps, e.g. by adjusting vanes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/46—Fluid-guiding means, e.g. diffusers adjustable
- F04D29/462—Fluid-guiding means, e.g. diffusers adjustable especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
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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
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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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0025—Cross-flow or tangential fans
Abstract
The invention provides a volute tongue structure, a wall hanging machine and an air conditioner, wherein the volute tongue structure comprises: the first tongue plate is arranged close to the cross-flow fan blade; one end of the tongue tip plate is connected with the first tongue plate; the first tongue plate is connected with a driving assembly, and the driving assembly is used for adjusting the gap between the first tongue plate and the cross-flow fan blade. According to the volute tongue structure provided by the invention, through the combined design of the volute tongues and the flexible design of the connecting rods connected with the volute tongues, the gap between the first tongue plate and the cross-flow fan blade can be reduced at the initial operation moment of an air conditioner, the air pressure and the air outlet speed at the tongue tip plate are improved, the flow is increased, and the heat exchange efficiency is improved; after the room temperature is stable, the gap between the first tongue plate and the cross-flow fan blade is increased, the impact of wind pressure and airflow at the tongue tip plate on the volute tongue structure is reduced, and the noise is reduced. Meanwhile, the position change of the first tongue plate is controlled in real time according to the working condition change, and the effects of rapid cooling, energy conservation and noise reduction can be achieved.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to a volute tongue structure, a wall-mounted unit and an air conditioner.
Background
In the existing air conditioner industry, the structure and the position of the volute tongue of the wall-mounted unit are fixed, the gap between the volute tongue and the impeller cannot be adjusted according to the change of working conditions, and the gap between the volute tongue and the impeller has obvious influence on air volume and noise.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is that the volute tongue structure and the position are fixed, and the gap cannot be adjusted according to the working condition, so that the volute tongue structure, the wall hanging machine and the air conditioner are provided.
In order to solve the above problems, the present invention provides a volute tongue structure, comprising:
the first tongue plate is arranged close to the cross-flow fan blade;
one end of the tongue tip plate is connected with the first tongue plate;
the first tongue plate is connected with a driving assembly, and the driving assembly drives the first tongue plate to move relative to the cross-flow fan blade so as to change the gap between the first tongue plate and the cross-flow fan blade.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Preferably, a flexible connecting plate is arranged at the joint of the tongue tip plate and the first tongue plate, and when the driving assembly drives the first tongue plate to be close to or far away from the cross-flow fan blade, the flexible connecting plate is bent and deformed.
Preferably, the driving assembly comprises a first connecting rod, one end of the first connecting rod is connected to the first tongue plate, and the first connecting rod drives the first tongue plate to move relative to the cross-flow fan blade.
Preferably, the driving assembly further comprises a second connecting rod, the second connecting rod is connected with the other end of the first connecting rod, and the first connecting rod, the second connecting rod and the first tongue plate form a crank-rocker mechanism.
Preferably, the drive assembly further comprises a power section connected with the second link.
Preferably, the power part is connected with a driving motor, the driving motor drives the power part to rotate, the second connecting rod rotates around the power part, the second connecting rod drives the first connecting rod, and the first connecting rod drives the first tongue plate to move relative to the cross-flow fan blade.
Preferably, one or more driving motors are arranged, and when one driving motor is arranged, one driving motor is arranged in the middle of the volute tongue structure in the length direction and controls the whole first tongue plate to move relative to the cross-flow fan blade; when the number of the driving motors is multiple, the driving motors are arranged at intervals along the length direction of the volute tongue structure and respectively control different areas of the first tongue plate to respectively move relative to the cross-flow fan blade.
Preferably, a first flexible section is arranged at the joint of the first connecting rod and the first tongue plate, and the first flexible section is bent and deformed when the second connecting rod drives the first connecting rod, and/or a second flexible section is arranged at the joint of the first connecting rod and the second connecting rod, and the second flexible section is bent and deformed when the second connecting rod drives the first connecting rod.
Preferably, the tongue tip plate, the flexible connecting plate and the first tongue plate are integrally formed by plastic materials, and/or the first tongue plate, the first flexible section and the first connecting rod are integrally formed by plastic materials, and/or the first connecting rod, the second flexible section and the second connecting rod are integrally formed by plastic materials.
Preferably, the flexible connecting plate has a thickness of 0.1-1.0mm, and/or the first flexible segment has a thickness of 0.1-1.0mm, and/or the second flexible segment has a thickness of 0.1-1.0 mm.
Preferably, the flexible connecting plate has a thickness of 1.0mm, and/or the first flexible segment has a thickness of 0.5mm, and/or the second flexible segment has a thickness of 0.5 mm.
Preferably, the volute tongue structure further comprises a second tongue plate, and the second tongue plate is arranged at the air outlet; the other end of the tongue tip plate is connected with the second tongue plate.
An air conditioner adopts the volute tongue structure.
A control method adopting the volute tongue structure comprises the following steps:
when the temperature is adjusted rapidly, the driving assembly drives the first tongue plate to move relative to the cross-flow fan blade, and the gap between the first tongue plate and the cross-flow fan blade is reduced;
and/or when the temperature is stably adjusted, the driving assembly drives the first tongue plate to move relative to the cross-flow fan blade, and the gap between the first tongue plate and the cross-flow fan blade is enlarged.
Preferably, the driving assembly drives the first tongue plate to move relative to the cross-flow fan, and the method for reducing the gap between the first tongue plate and the cross-flow fan comprises the following steps:
the driving motor drives the power part to rotate along a first rotation direction, the second connecting rod rotates around the power part along the first rotation direction, the second connecting rod drives the first connecting rod to move towards the direction close to the cross-flow fan blade, the first connecting rod pushes the first tongue plate to be close to the cross-flow fan blade, and the gap between the first tongue plate and the cross-flow fan blade is reduced;
and/or the presence of a gas in the gas,
the method for increasing the gap between the first tongue plate and the cross-flow fan blade by driving the first tongue plate to move relative to the cross-flow fan blade by the driving assembly comprises the following steps:
the driving motor drives the power part to rotate along a second rotation direction, the second connecting rod rotates around the power part along the second rotation direction, the second connecting rod drives the first connecting rod to move towards the direction far away from the cross-flow fan blade, the first tongue plate is pulled by the first connecting rod to be far away from the cross-flow fan blade, and the gap between the first tongue plate and the cross-flow fan blade is increased;
wherein the second rotation direction is opposite to the first rotation direction.
The volute tongue structure, the wall-mounted unit and the air conditioner provided by the invention at least have the following beneficial effects:
according to the volute tongue structure provided by the invention, the controllable rotary volute tongue structure is obtained through the combined design of the volute tongues and the flexible design of the connecting rod connected with the volute tongues, so that the gap between the first tongue plate and the through-flow fan blade can be reduced at the initial operation time of an air conditioner, the air pressure and the air outlet speed at the tongue tip plate can be improved, and the purposes of increasing the flow and improving the heat exchange efficiency can be achieved; after the room temperature is stable, the gap between the first tongue plate and the cross-flow fan blade is increased, the impact of the wind pressure and the airflow at the tongue tip plate on the volute tongue structure is reduced, and the purpose of reducing noise is achieved. Meanwhile, the position change of the first tongue plate is controlled in real time according to the working condition change, and the effects of rapid cooling, energy conservation and noise reduction can be achieved.
Drawings
FIG. 1 is a structural isometric view of a volute tongue structure according to an embodiment of the present invention;
FIG. 2 is a side view of a volute tongue structure according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating adjustment of a gap between a first tongue plate and a cross-flow fan blade according to an embodiment of the present invention;
fig. 4 is a schematic view of the installation of the volute tongue structure in the wall-mounted unit according to the embodiment of the invention.
The reference numerals are represented as:
1. a first tongue plate; 2. a tongue tip plate; 3. a cross-flow fan blade; 4. a flexible connecting plate; 5. a first link; 6. a second link; 7. a power section; 8. a first flexible segment; 9. a second flexible section; 10. a second tongue plate; 11. an air outlet; 12. a volute.
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 clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. 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 embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4 in combination, a volute tongue structure includes: the first tongue plate 1 is arranged close to the cross-flow fan blade 3; a tongue tip plate 2, wherein one end of the tongue tip plate 2 is connected with the first tongue plate 1; the first tongue plate 1 is connected with a driving assembly, and the driving assembly drives the first tongue plate 1 to move relative to the cross-flow fan blade 3, so that the gap between the first tongue plate 1 and the cross-flow fan blade 3 is changed.
In this embodiment, the volute tongue structure is a combined structure, the first tongue plate 1 is close to the cross-flow fan blade 3, and a gap between the first tongue plate 1 and the cross-flow fan blade 3 can be adjusted by the driving assembly. The driving assembly drives the first tongue plate to move relative to the through-flow fan blade, the relative movement comprises mutual approaching and mutual leaving, the first tongue plate 1 is close to the through-flow fan blade 3, the gap is reduced, the wind pressure at the tongue tip plate and the air outlet speed of the through-flow fan blade can be improved, and the purposes of increasing the flow and improving the heat exchange efficiency are achieved. The driving assembly drives the first tongue plate 1 to be far away from the through-flow fan blade 3, the gap is increased, the impact of wind pressure and airflow at the tongue tip plate on the volute tongue is reduced, and the purpose of reducing noise is achieved. Meanwhile, the gap between the first tongue plate 1 and the cross-flow fan blade 3 can be controlled in real time according to the working condition change of the air conditioner, so that the effects of rapid cooling, energy conservation and noise reduction are achieved.
In this embodiment, a flexible connecting plate 4 is disposed at a connection position between the tongue tip plate 2 and the first tongue plate 1, and when the driving assembly drives the first tongue plate 1 to approach or leave the cross-flow fan blade 3, the flexible connecting plate 4 bends and deforms. The tongue point plate 2 and the first tongue plate 1 in the transmission volute tongue structure are manufactured in an integrated mode, the thickness of the tongue point plate 2 and the thickness of the first tongue plate 1 are uniform, the tongue point plate 2 and the first tongue plate 1 are in a combined type design and are connected through the flexible connecting plate 4, and the flexible connecting plate 4 can be bent and deformed under the action of external force to change the space position of one end or two ends. In this embodiment, the tongue tip plate 2 is fixedly disposed, one end of the flexible connecting plate 4 connected to the tongue tip plate 2 is fixed, and after the driving assembly provides an external force to the first tongue plate 1, the first tongue plate 1 is subjected to a rotation moment around the tongue tip plate 2, and when the moment is large enough, the flexible connecting plate 4 is bent and deformed, so that the relative position of the first tongue plate 1 and the cross-flow fan blade 3 is changed, and the position is changed in a manner of generally rotating around the tongue tip plate 2.
Meanwhile, the flexible connecting plate 4 may be hard with elastic recovery capability or soft without elastic recovery capability. In the former flexible connecting plate 4, after the moment disappears, the first tongue plate 1 returns to the initial position under the action of the elastic restoring force of the flexible connecting plate 4. The latter flexible web 4, without elastic restoring forces, requires a counter-torque to be applied by the drive assembly to push the first flap 1 back to the initial position.
In this embodiment, the driving assembly includes a first connecting rod 5, one end of the first connecting rod 5 is connected to the first tongue plate 1, and the first connecting rod 5 adjusts a gap between the first tongue plate 1 and the cross-flow fan blade 3. In order to adjust the gap, a force for changing the relative position of the first tongue plate 1 and the cross-flow fan blade 3, namely a pushing force towards the cross-flow fan blade 3 or a pulling force departing from the cross-flow fan blade 3, needs to be applied to the first tongue plate 1, and the force application component can only be arranged on one side of the first tongue plate 1, which is far away from the cross-flow fan blade 3, because the other side of the first tongue plate is the cross-flow fan blade 3 rotating at a high speed. In the embodiment, there are various ways and structures capable of providing pushing force or pulling force for the first tongue plate 1, such as a rod, a rope, a cylinder, a cam structure, etc., and it should be considered that all structures capable of providing pushing force or pulling force for the first tongue plate 1 and enabling the first tongue plate 1 to approach or separate from the cross-flow fan blade 3 are adaptive improvements made based on the inventive concept of the embodiment.
In this embodiment, the driving assembly further includes a second connecting rod 6, the second connecting rod 6 is connected to the other end of the first connecting rod 5, and the first connecting rod 5, the second connecting rod 6 and the first tongue plate 1 form a crank-rocker mechanism. In the embodiment, the second connecting rod 6 and the first tongue plate 1 are respectively connected to two ends of the first connecting rod 5, the second connecting rod 6 serves as a crank member, the first connecting rod 5 serves as a connecting rod, the first tongue plate 1 serves as a rocker, and the second connecting rod 6 rotates to drive the first connecting rod 5 to do linear reciprocating motion, so that the first tongue plate 1 is driven to swing in a direction close to or far away from the through-flow fan blade 3.
In this embodiment, the driving assembly further includes a power portion 7, and the power portion 7 is connected to the second link 6. The power part 7 is connected with a driving motor, the driving motor drives the power part 7 to rotate, the second connecting rod 6 rotates around the power part 7, the second connecting rod 6 drives the first connecting rod 5, and the first connecting rod 5 adjusts the gap between the first tongue plate 1 and the cross-flow fan blade 3. The power part 7 is used as a rotating shaft of the crank rocker mechanism and is directly or indirectly in power connection with a driving shaft of the driving motor, and the power part 7 can rotate along the direction shown by an arrow A or the reverse direction of the direction shown by the arrow A. The power part 7 rotates to drive the second connecting rod 6 to rotate, the first connecting rod 5 makes linear reciprocating motion, and the first tongue plate 1 swings.
In this embodiment, one or more driving motors may be provided, and when one driving motor is provided, one driving motor is disposed in the middle of the volute tongue structure in the length direction and controls the whole first tongue plate 1 to move relative to the cross-flow fan blade 3; when the number of the driving motors is multiple, the driving motors are arranged at intervals along the length direction of the volute tongue structure and respectively control different areas of the first tongue plate 1 to respectively move relative to the cross-flow fan blade 3.
In this embodiment, a first flexible section 8 is disposed at a connection position of the first connecting rod 5 and the first tongue plate 1, and the first flexible section 8 is bent and deformed when the second connecting rod 6 drives the first connecting rod 5, and/or a second flexible section 9 is disposed at a connection position of the first connecting rod 5 and the second connecting rod 6, and the second flexible section 9 is bent and deformed when the second connecting rod 6 drives the first connecting rod 5. The main functions of the first flexible section 8 and the second flexible section 9 are to be suitable for the change of the connection angle between the first tongue plate 1 and the first connecting rod 5 and between the first connecting rod 5 and the second connecting rod 6 caused by the change of the relative position during the movement of the crank-rocker mechanism, so as to prevent the rigid connection from restricting the movement of the crank-rocker mechanism or generating rigid damage to the components during the movement of the crank-rocker mechanism. The first flexible section 8 and the second flexible section 9 can be bent and deformed according to different movement angles in the movement of the crank-rocker mechanism, so that the normal work of the crank-rocker mechanism is ensured. In this embodiment, the material reduction treatment is adopted to design the flexible section, and the material reduction treatment is performed at the joint of the rod pieces with the same traditional cross-sectional area, so that the cross-sectional area is reduced to obtain the flexible abrupt change section, and thus the rod pieces can be bent from various angles.
In this embodiment, the tongue tip plate 2, the flexible connecting plate 4, and the first tongue plate 1 are integrally formed by plastic, and/or the first tongue plate 1, the first flexible section 8, and the first connecting rod 5 are integrally formed by plastic, and/or the first connecting rod 5, the second flexible section 9, and the second connecting rod 6 are integrally formed by plastic. Adopt plastics material integrated into one piece to make first hyoplastron 1 rotate more steadily and can disperse the stress in the motion process, avoid flexible connecting plate 4, first flexible section 8, second flexible section 9 to cause damage or potential damage because of stress concentration.
In this embodiment, the thickness D1 of flexible web 4 is 0.1-1.0mm, and/or the thickness D2 of first flexible segment 8 is 0.1-1.0mm, and/or the thickness D3 of second flexible segment 9 is 0.1-1.0 mm. This thickness range facilitates increased flexibility in the reduction zone and uniform stress distribution during rotation. Preferably, the flexible web 4 has a thickness of 1.0mm, and/or the first flexible segment 8 has a thickness of 0.5mm, and/or the second flexible segment 9 has a thickness of 0.5 mm.
In this embodiment, the volute tongue structure further includes a second tongue plate 10, and the second tongue plate 10 is disposed at the air outlet 11; the other end of the tongue tip plate 2 is connected with a second tongue plate 10, the second tongue plate 10 is fixedly connected with a volute 12, and the second tongue plate 10 is also fixedly connected with the tongue tip plate 2. When the driving component drives the first tongue plate 1 to approach or depart from the cross-flow fan blade 3, the second tongue plate 10 provides the holding force of the whole volute tongue structure, so that the first tongue plate 1 can rotate along the tongue tip plate 2.
When the tongue plate is in operation, the gap between the first tongue plate 1 and the cross-flow fan blade 3 is S1 at the initial position, when the driving motor drives the power part 7 to rotate along the arrow A, the first connecting rod 5, the second connecting rod 6 and the first tongue plate 1 move to the positions shown by the dotted lines, at this time, the gap between the first tongue plate 1 and the cross-flow fan blade 3 is S2, and S2 is larger than S1. When the gap is S1, the wind pressure at the tongue-and-tongue plate 2 is high, and the wind outlet speed of the wind outlet 11 is high, so that the flow path can be increased and the heat exchange efficiency can be improved. When the gap is S2, the wind pressure at the tongue-and-toe plate 2 is small, the airflow impact is small, and the noise is small.
According to the volute tongue structure provided by the embodiment, the controllable rotary volute tongue structure is obtained through the flexible design of the volute tongue and the connecting rod connected with the volute tongue, the gap between the first tongue plate 1 and the through-flow fan blade can be reduced at the initial operation moment of the air conditioner, the air pressure and the air outlet speed at the tongue tip plate 2 are improved, and the purposes of increasing the flow and improving the heat exchange efficiency are achieved; after the room temperature is stable, the gap between the first tongue plate 1 and the cross-flow fan blade 3 is increased, the impact of wind pressure and airflow at the tongue tip plate 2 on the volute tongue structure is reduced, and the purpose of reducing noise is achieved. Meanwhile, the position change of the first tongue plate 1 is controlled in real time according to the working condition change, so that the effects of rapid cooling, energy conservation and noise reduction can be achieved.
A wall hanging machine adopts the volute tongue structure.
An air conditioner adopts the volute tongue structure.
A control method adopting the volute tongue structure comprises the following steps: when the temperature is adjusted quickly, for example, in the initial stage of the air conditioner, the driving assembly drives the first tongue plate 1 to move relative to the cross-flow fan blade 3, so that the gap between the first tongue plate 1 and the cross-flow fan blade 3 is reduced, the wind pressure and the wind outlet speed at the tongue tip plate 2 are improved, the purposes of increasing the flow and improving the heat exchange efficiency are achieved, and the effect of quickly cooling the room can be realized.
When the temperature is stably adjusted, if the indoor temperature reaches a stable state, the driving assembly drives the first tongue plate 1 to move relative to the cross-flow fan blade 3, the gap between the first tongue plate 1 and the cross-flow fan blade 3 is enlarged, the impact of wind pressure and airflow at the volute tongue position on the volute tongue is reduced, and the purpose of reducing noise is achieved.
In this embodiment, the method for reducing the gap between the first tongue plate 1 and the cross-flow fan blade 3 by the driving assembly driving the first tongue plate 1 to move relative to the cross-flow fan blade 3 includes:
a control system of the air conditioner outputs a control command for reducing the gap, a driving motor drives a power part 7 to rotate along a first rotation direction, a second connecting rod 6 rotates around the power part 7 along the first rotation direction, the second connecting rod 6 drives a first connecting rod 5 to move towards the direction close to a cross-flow fan blade 3, a second flexible section 9 deforms, the first connecting rod 5 pushes a first tongue plate 1 to be close to the cross-flow fan blade 3, a first flexible section 8 and a flexible connecting plate 4 deform, and the gap between the first tongue plate 1 and the cross-flow fan blade 3 is reduced;
and/or the presence of a gas in the gas,
the method for increasing the gap between the first tongue plate 1 and the cross-flow fan blade 3 by driving the first tongue plate 1 to move relative to the cross-flow fan blade 3 by the driving assembly comprises the following steps:
a control system of the air conditioner outputs a control command for increasing the gap, a driving motor drives a power part 7 to rotate along a second rotation direction, a second connecting rod 6 rotates around the power part 7 along the second rotation direction, the second connecting rod 6 drives a first connecting rod 5 to move in the direction far away from a cross-flow fan blade 3, a second flexible section 9 deforms, the first connecting rod 5 pulls a first tongue plate 1 to be far away from the cross-flow fan blade 3, a first flexible section 8 and a flexible connecting plate 4 deform, and the gap between the first tongue plate 1 and the cross-flow fan blade 3 is increased;
the second rotation direction is opposite to the first rotation direction, and according to the illustration in fig. 1, the first rotation direction is clockwise, and the second rotation direction is counterclockwise.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention. The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the technical principle of the present invention, and these improvements and modifications should also be regarded as the protection scope of the present invention.
Claims (15)
1. A volute tongue structure, comprising:
the first tongue plate (1), the first tongue plate (1) is close to the cross-flow fan blade (3);
the tongue tip plate (2), one end of the tongue tip plate (2) is connected with the first tongue plate (1);
the first tongue plate (1) is connected with a driving assembly, the driving assembly drives the first tongue plate (1) to move relative to the cross-flow fan blade (3), and a gap between the first tongue plate (1) and the cross-flow fan blade (3) is changed.
2. The volute tongue structure of claim 1, wherein a flexible connecting plate (4) is arranged at the joint of the tongue tip plate (2) and the first tongue plate (1), and the flexible connecting plate (4) is bent and deformed when the driving assembly drives the first tongue plate (1) to move relative to the cross-flow fan blade (3).
3. The volute tongue structure of claim 1 or 2, wherein the drive assembly comprises a first connecting rod (5), one end of the first connecting rod (5) is connected to the first tongue plate (1), and the first connecting rod (5) drives the first tongue plate (1) to move relative to the cross-flow fan (3).
4. The volute tongue structure of claim 3, wherein the drive assembly further comprises a second connecting rod (6), the second connecting rod (6) is connected with the other end of the first connecting rod (5), and the first connecting rod (5), the second connecting rod (6) and the first tongue plate (1) form a crank-rocker mechanism.
5. The volute tongue structure of claim 4, wherein the drive assembly further comprises a power portion (7), the power portion (7) being connected to the second link (6).
6. The volute tongue structure of claim 5, wherein a driving motor is connected to the power part (7), the driving motor drives the power part (7) to rotate, the second connecting rod (6) rotates around the power part (7), the second connecting rod (6) drives the first connecting rod (5), and the first connecting rod (5) drives the first tongue plate (1) to move relative to the cross-flow fan (3).
7. The volute tongue structure of claim 6, wherein the number of the driving motors is one or more, and when one driving motor is provided, the driving motor is arranged in the middle of the volute tongue structure in the length direction and controls the whole first tongue plate (1) to move relative to the cross-flow fan blade (3); when a plurality of driving motors are arranged, the driving motors are arranged at intervals along the length direction of the volute tongue structure and respectively control different areas of the first tongue plate (1) to respectively move relative to the cross-flow fan blade (3).
8. The volute tongue structure of any of claims 4-7, wherein a first flexible section (8) is provided at a connection between the first connecting rod (5) and the first tongue plate (1), wherein the first flexible section (8) is bent and deformed when the second connecting rod (6) drives the first connecting rod (5), and/or wherein a second flexible section (9) is provided at a connection between the first connecting rod (5) and the second connecting rod (6), wherein the second flexible section (9) is bent and deformed when the second connecting rod (6) drives the first connecting rod (5).
9. The volute tongue structure of claim 2 or 8, wherein the tongue tip plate (2), the flexible connecting plate (4) and the first tongue plate (1) are integrally formed by plastic, and/or the first tongue plate (1), the first flexible section (8) and the first connecting rod (5) are integrally formed by plastic, and/or the first connecting rod (5), the second flexible section (9) and the second connecting rod (6) are integrally formed by plastic.
10. The volute tongue structure of claim 9, wherein the flexible web (4) has a thickness of 0.1-1.0mm, and/or wherein the first flexible segment (8) has a thickness of 0.1-1.0mm, and/or wherein the second flexible segment (9) has a thickness of 0.1-1.0 mm.
11. The volute tongue structure of claim 10, wherein the flexible connecting plate (4) has a thickness of 1.0mm, and/or wherein the first flexible segment (8) has a thickness of 0.5mm, and/or wherein the second flexible segment (9) has a thickness of 0.5 mm.
12. The volute tongue structure of any of claims 1-11, wherein the volute tongue structure further comprises a second tongue plate (10), wherein the second tongue plate (10) is disposed at the air outlet (11); the other end of the tongue tip plate (2) is connected with the second tongue plate (10).
13. An air conditioner, characterized in that the volute tongue structure of any one of claims 1-12 is adopted.
14. A control method using the volute tongue structure of any one of claims 1-12, comprising:
when the temperature is adjusted rapidly, the driving assembly drives the first tongue plate (1) to move relative to the cross-flow fan blade (3), and the gap between the first tongue plate (1) and the cross-flow fan blade (3) is reduced;
and/or when the temperature is stably adjusted, the driving assembly drives the first tongue plate (1) to move relative to the cross-flow fan blade (3), and the gap between the first tongue plate (1) and the cross-flow fan blade (3) is enlarged.
15. The control method of the volute tongue structure of claim 14, wherein the driving assembly drives the first tongue plate (1) to move relative to the cross-flow fan blade (3), and the method for reducing the gap between the first tongue plate (1) and the cross-flow fan blade (3) comprises the following steps:
the driving motor drives the power part (7) to rotate along a first rotation direction, the second connecting rod (6) rotates around the power part (7) along the first rotation direction, the second connecting rod (6) drives the first connecting rod (5) to move towards the direction close to the cross-flow fan blade (3), the first connecting rod (5) pushes the first tongue plate (1) to be close to the cross-flow fan blade (3), and the gap between the first tongue plate (1) and the cross-flow fan blade (3) is reduced;
and/or the presence of a gas in the gas,
the method for increasing the gap between the first tongue plate (1) and the cross-flow fan blade (3) by driving the first tongue plate (1) to move relative to the cross-flow fan blade (3) by the driving assembly comprises the following steps:
the driving motor drives the power part (7) to rotate along a second rotation direction, the second connecting rod (6) rotates around the power part (7) along the second rotation direction, the second connecting rod (6) drives the first connecting rod (5) to move towards the direction far away from the cross-flow fan blade (3), the first connecting rod (5) pulls the first tongue plate (1) to be far away from the cross-flow fan blade (3), and the gap between the first tongue plate (1) and the cross-flow fan blade (3) is increased;
wherein the second rotation direction is opposite to the first rotation direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910550979.2A CN112128141A (en) | 2019-06-24 | 2019-06-24 | Volute tongue structure, wall-mounted unit and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910550979.2A CN112128141A (en) | 2019-06-24 | 2019-06-24 | Volute tongue structure, wall-mounted unit and air conditioner |
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| CN112128141A true CN112128141A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910550979.2A Pending CN112128141A (en) | 2019-06-24 | 2019-06-24 | Volute tongue structure, wall-mounted unit and air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738835A (en) * | 2022-04-20 | 2022-07-12 | 珠海格力电器股份有限公司 | Fresh air device, air conditioner and fresh air control method |
| CN115076783A (en) * | 2022-06-30 | 2022-09-20 | 珠海格力电器股份有限公司 | Volute tongue assembly, air duct assembly, air conditioner and control method |
-
2019
- 2019-06-24 CN CN201910550979.2A patent/CN112128141A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738835A (en) * | 2022-04-20 | 2022-07-12 | 珠海格力电器股份有限公司 | Fresh air device, air conditioner and fresh air control method |
| 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 |
| CN115076783A (en) * | 2022-06-30 | 2022-09-20 | 珠海格力电器股份有限公司 | Volute tongue assembly, air duct assembly, air conditioner and control method |
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