CN211551805U - Cross-flow fan, air conditioner indoor unit and air conditioner - Google Patents
Cross-flow fan, air conditioner indoor unit and air conditioner Download PDFInfo
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- CN211551805U CN211551805U CN201922216802.7U CN201922216802U CN211551805U CN 211551805 U CN211551805 U CN 211551805U CN 201922216802 U CN201922216802 U CN 201922216802U CN 211551805 U CN211551805 U CN 211551805U
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- 238000010438 heat treatment Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
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Abstract
The application relates to the technical field of air conditioners, in particular to a cross-flow fan, an air conditioner indoor unit and an air conditioner, wherein the cross-flow fan comprises: the cross-flow wind channel is formed between the volute tongue and the supporting piece, an auxiliary air inlet is further formed between the supporting piece and the volute, a first air guide plate is movably connected to the auxiliary air inlet, and the first air guide plate reciprocates on the volute to open or close the auxiliary air inlet. When the cross-flow air duct of the cross-flow fan is communicated with the air inlet of the indoor unit of the air conditioner, the auxiliary air inlet is added on the basis of the original air duct, the air inlet area of the air inlet of the indoor unit of the air conditioner is effectively increased, and the heat exchange efficiency of the air conditioner is improved; when the air outlet is communicated with the air outlet, an arc-shaped through-flow air duct consisting of the volute tongue and the supporting piece is formed, so that the air supply distance of the indoor unit of the air conditioner can be effectively increased, and the air supply capacity is improved.
Description
Technical Field
The utility model relates to an air conditioner technical field, machine and air conditioner in concretely relates to cross-flow fan, air conditioning.
Background
At present, the cross-flow fan is widely applied to air conditioners, low-voltage ventilation, vehicles and household appliances due to the characteristics of non-messy airflow, long airflow reaching distance and low noise, and particularly, the indoor unit of a household split wall-mounted air conditioner almost completely adopts the cross-flow fan.
However, the existing crossflow blower has the following obvious defects: when the cross-flow air duct of the cross-flow fan is communicated with the air inlet of the indoor unit of the air conditioner, the area of the cross-flow air duct is limited, so that the air inlet amount of the indoor unit of the air conditioner is small, the heat exchange efficiency of the air conditioner is reduced, and finally the air outlet amount is small.
SUMMERY OF THE UTILITY MODEL
The application aims to provide a cross-flow fan, an air conditioner indoor unit and an air conditioner, and aims to solve the technical problems that the air inlet amount is small when a cross-flow air duct of the cross-flow fan is communicated with an air inlet of the air conditioner indoor unit and the air supply distance is limited when the cross-flow air duct is communicated with an air outlet in the prior art.
Technical scheme (I)
In order to achieve the above object, an embodiment of a first aspect of the present invention provides a crossflow blower, including: the cross-flow wind wheel is installed in the volute, the volute tongue and the supporting piece are correspondingly installed on two end portions of an opening end of the volute, a cross-flow air channel is formed between the volute tongue and the supporting piece, an auxiliary air inlet is further formed between the supporting piece and the volute, a first air deflector is movably connected to the auxiliary air inlet, and the first air deflector reciprocates on the volute to open or close the auxiliary air inlet.
Optionally, one end of the first air deflector, which is close to the volute, is movably connected with the volute through a first driving mechanism, and the first air deflector can reciprocate on the volute away from or close to the cross-flow wind wheel under the driving of the first driving mechanism, so as to open or close the auxiliary air inlet.
Optionally, the first driving mechanism comprises: the first driving assembly and the second driving assembly are matched, one of the first driving assembly and the second driving assembly is arranged on the volute, and the other one of the first driving assembly and the second driving assembly is arranged at one end, close to the volute, of the first air deflector.
Optionally, the first drive assembly and the second drive assembly are provided as meshing gear sets.
Optionally, one end of the first air deflector close to the supporting member is movably connected to the supporting member through a clamping mechanism, and the clamping mechanism includes: the air deflector comprises a first clamping piece and a second clamping piece which are matched with each other, wherein one of the first clamping piece and the second clamping piece is arranged at one end, close to the supporting piece, of the first air deflector, and the other one of the first clamping piece and the second clamping piece is arranged on the supporting piece.
Optionally, one of the first engaging member and the second engaging member is provided as a protrusion, and the other is provided as a groove.
Optionally, the volute tongue is movably connected with a second air deflector through a second driving mechanism, and the second air deflector can reciprocate away from or close to the cross-flow wind wheel along the volute tongue under the driving of the second driving mechanism.
Optionally, the second driving mechanism comprises: and one of the third driving component and the fourth driving component is arranged on the volute tongue, and the other one of the third driving component and the fourth driving component is arranged on the second air deflector.
Optionally, one of the third driving assembly and the fourth driving assembly is provided as two parallel racks, and the other is provided as a gear.
Optionally, the second air deflector is an L-shaped air deflector, a wall surface of the second air deflector, which is close to the cross-flow wind wheel, is a windward surface, and a wall surface of the second air deflector, which is far away from the cross-flow wind wheel, is a leeward surface.
In order to achieve the above object, an embodiment of a second aspect of the present invention provides an indoor unit of an air conditioner, including: the cross-flow fan comprises a casing and any one of the cross-flow fans, wherein an upper air inlet and a lower air inlet are formed in the casing, the cross-flow fans are installed on one sides, close to the upper air inlet and the lower air inlet, in the casing, and an evaporator is arranged between the two cross-flow fans.
In order to achieve the above object, an embodiment of a third aspect of the present invention provides an air conditioner, including the air conditioner indoor unit described above.
(II) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
the utility model provides a cross-flow fan, include: the cross-flow wind wheel is installed in the volute, the volute tongue and the supporting piece are correspondingly installed on two end portions of an opening end of the volute, a cross-flow air channel is formed between the volute tongue and the supporting piece, an auxiliary air inlet is further formed between the supporting piece and the volute, a first air deflector is movably connected to the auxiliary air inlet, and the first air deflector reciprocates on the volute to open or close the auxiliary air inlet.
When the cross-flow air duct of the cross-flow fan is communicated with the air inlet of the indoor unit of the air conditioner, the first air deflector is driven to move away from the cross-flow air wheel along the volute to open the auxiliary air inlet, so that the auxiliary air inlet is increased on the basis of the original air duct, the air inlet area of the air inlet of the indoor unit of the air conditioner is effectively increased, the air inlet amount is increased, the heat exchange efficiency of the air conditioner is improved, and the air outlet amount is finally increased; similarly, when the cross-flow air duct of the cross-flow fan is communicated with the air outlet of the indoor unit of the air conditioner, the first air deflector is driven to move on the volute to close the cross-flow wind wheel so as to close the auxiliary air inlet, so that the arc-shaped cross-flow air duct formed by the volute tongue and the supporting piece is formed, and meanwhile, the characteristic of high air pressure of the cross-flow wind wheel is matched, so that the air supply distance of the indoor unit of the air conditioner can be effectively increased, and the air supply capacity is improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained without inventive exercise, wherein:
FIG. 1 is a schematic structural view illustrating an opening auxiliary air inlet of an embodiment of a cross-flow fan according to the present invention;
FIG. 2 is a schematic structural view of a closed auxiliary air inlet of an embodiment of the cross-flow fan of the present invention;
FIG. 3 is a schematic structural view of an embodiment of the middle cross flow fan of the present invention in which a volute and a first air deflector are engaged;
FIG. 4 is a schematic structural view of an embodiment of the middle cross flow fan of the present invention in which a volute tongue is engaged with a second air deflector;
FIG. 5 is a schematic structural view of another embodiment of the cross flow fan of the present invention, in which a volute tongue is engaged with a second air deflector;
fig. 6 is a schematic structural view of an embodiment of an indoor unit of an air conditioner of the present invention;
fig. 7 is a flow chart of the method for controlling the medium air inlet of the present invention.
In the figure: 1. a housing; 2. an air inlet; 3. a lower tuyere; 4. an evaporator; 5. a volute; 6. a volute tongue; 7. a cross flow wind wheel; 8. a first air deflector; 9. a second air deflector; 10. a support member; 11. an auxiliary air inlet; 12. a first drive assembly; 13. a second drive assembly; 14. a third drive assembly; 15. a fourth drive assembly; 16. a first engaging member; 17. a second engaging member; 18. a clamping mechanism; 19. a first drive mechanism; 20. a second drive mechanism; 21. a crossflow blower.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The invention will be described in further detail with reference to the following drawings and embodiments:
as shown in fig. 1, 2 and 3, in a first aspect, the present application provides a crossflow blower, preferably for use in an indoor unit of an air conditioner, in which an arrow direction is a wind flowing direction, the crossflow blower comprising: the cross-flow wind wheel 7 is arranged in the volute 5, the volute tongue 6 and the support piece 10 are correspondingly arranged on two end parts of the opening end of the volute 5, a cross-flow air channel is formed between the volute tongue 6 and the support piece 10, an auxiliary air inlet 11 is further formed between the support piece 10 and the volute 5, a first air deflector 8 is movably connected to the auxiliary air inlet, preferably, the first air deflector 8 is linear, one end of the first air deflector 8 is connected with the volute 5, and the other end of the first air deflector 8 is a free end; the first air deflector reciprocates on the volute 5 to open or close the auxiliary air inlet 11.
Preferably, one end of the first air deflector 8 close to the volute 5 is movably connected with the volute 5 through a first driving mechanism 19, and the first air deflector 8 can reciprocate on the volute 5 away from or close to the cross flow wind wheel 7 under the driving of the first driving mechanism 19 so as to open or close the auxiliary air inlet 11.
As shown in fig. 1, when the cross-flow air duct of the cross-flow fan 21 of the present application is communicated with the air inlet of the indoor unit of the air conditioner, the first driving mechanism 19 is driven to drive the first air deflector 8 to move away from the cross-flow wind wheel 7 along the volute 5 so as to open the auxiliary air inlet 11, thereby increasing the auxiliary air inlet 11 on the basis of the original air duct, effectively increasing the air inlet area of the air inlet of the indoor unit of the air conditioner, increasing the air inlet volume, improving the heat exchange efficiency of the air conditioner, and finally increasing the air outlet volume; similarly, as shown in fig. 2, when the cross-flow air duct of the cross-flow fan 21 of the present embodiment is communicated with the air outlet of the indoor unit of the air conditioner, the first driving mechanism 19 is driven to drive the first air deflector 8 to move close to the cross-flow wind wheel 7 along the volute 5, so as to close the auxiliary air inlet 11, thereby forming an arc-shaped cross-flow air duct composed of a volute tongue and a supporting member, and meanwhile, by matching with the high air pressure characteristic of the cross-flow wind wheel 7, the air supply distance of the indoor unit of the air conditioner can be effectively increased, and the air supply capacity can be improved.
According to an embodiment of the present invention, as shown in fig. 3, the first driving mechanism 19 includes: the first driving assembly 12 and the second driving assembly 13 are matched, one of the first driving assembly 12 and the second driving assembly 13 is disposed on the volute 5, and the other is disposed at an end of the first air deflector 8 close to the volute 5, preferably, the first driving assembly 12 and the second driving assembly 13 are disposed as gear sets engaged with each other, the gear sets are driven to rotate by a driving device, such as a motor assembly, so as to drive the first air deflector 8 to rotate, specifically, in the present embodiment, an end portion of the volute 5 opposite to the volute tongue 6 is rotatably connected with a first gear, an end of the first air deflector 8 close to the volute 5 is fixedly connected with a second gear, the first gear is driven by the motor assembly to perform circumferential rotation, so as to drive the second gear to rotate synchronously with the first gear, and finally, the first air deflector 8 is driven to move close to or far away from the cross-flow wind wheel 7, in order to open or close the auxiliary air inlet 11, for convenience of understanding, when the motor assembly is set to drive the first gear to rotate clockwise, the second gear is driven to rotate clockwise synchronously, so that the first air deflector 8 is driven to move away from the cross-flow wind wheel 7, so as to open the auxiliary air inlet 11, and similarly, when the motor assembly is set to drive the first gear to rotate anticlockwise, the second gear is driven to rotate anticlockwise synchronously, so that the first air deflector 8 is driven to move close to the cross-flow wind wheel 7, so as to close the auxiliary air inlet 11.
When the cross-flow air duct of the cross-flow fan 21 is communicated with the air inlet of the indoor unit of the air conditioner, as shown in fig. 1, the motor assembly drives the first gear to rotate clockwise, and then drives the second gear to rotate clockwise synchronously, so that the first air deflector 8 is driven to move away from the cross-flow wind wheel 7 to open the auxiliary air inlet 11, the auxiliary air inlet 11 is added on the basis of the original air duct, the air inlet area of the air inlet of the indoor unit of the air conditioner is effectively increased, the air inlet volume is increased, the heat exchange efficiency of the air conditioner is improved, and the air outlet volume is finally increased; similarly, as shown in fig. 2, when the cross-flow air duct of the cross-flow fan 21 of the present embodiment is communicated with the air outlet of the indoor unit of the air conditioner, the motor assembly drives the first gear to rotate counterclockwise, and then drives the second gear to rotate counterclockwise synchronously, so as to drive the first air deflector 8 to move close to the cross-flow wind wheel 7, so as to close the auxiliary air inlet 11, thereby forming an arc-shaped cross-flow air duct composed of a volute tongue and a support member, and meanwhile, by matching with the high air pressure characteristic of the cross-flow wind wheel 7, the air supply distance of the indoor unit of the air conditioner can be effectively increased, and the air supply.
According to an embodiment of the present invention, in order to enhance the cooperation between the supporting member 10 and the first wind deflector 8, as shown in fig. 1, fig. 2 and fig. 3, one end of the first wind deflector 8 close to the supporting member 10 is movably connected with the supporting member 10 through a fastening mechanism 18, and the fastening mechanism 18 includes: the air duct assembly comprises a first engaging member 16 and a second engaging member 17 which are matched with each other, wherein one of the first engaging member 16 and the second engaging member 17 is disposed at one end of the first air guiding plate 8 close to the supporting member 10, and the other is disposed on the supporting member 10, preferably, one of the first engaging member 16 and the second engaging member 17 is disposed as a protrusion, and the other is disposed as a groove, in this embodiment, one end of the first air guiding plate 8 close to the supporting member 10 is disposed with a groove, and the supporting member 10 is disposed with a protrusion in a matching manner.
When in use, as shown in figure 2, when the cross flow air duct of the cross flow fan 21 of the scheme is communicated with the air outlet of the indoor unit of the air conditioner, the first air deflector 8 is driven to move close to the cross flow wind wheel 7 by the anticlockwise rotation of the meshed gear set wheels until the groove arranged at one end of the supporting piece 10 is contacted with the bulge arranged on the supporting piece 10, thus completing the closing of the auxiliary air inlet 11. similarly, as shown in fig. 1, when the cross-flow air duct of the cross-flow fan 21 of the present solution is communicated with the air inlet of the indoor unit of the air conditioner, the first air deflector 8 is driven to move away from the cross flow wind wheel 7 by clockwise rotation of the meshed gear set wheels, thereby drive the recess that sets up in the one end of support piece 10 and set up the protruding phase separation on support piece 10, until first aviation baffle 8 becomes vertical by the slope setting to accomplish opening of supplementary air intake 11.
According to an embodiment of the present invention, in order to further increase the air intake area and enhance the air supply distance of the indoor unit of the air conditioner, as shown in fig. 1, fig. 2, fig. 4 and fig. 5, the volute tongue 6 is movably connected to the second air guiding plate 9 through the second driving mechanism 20, wherein one end of the second air guiding plate 9 is connected to the volute tongue 6, and the other end is a free end, preferably, the second air guiding plate 9 is set to be an L-shaped air guiding plate, the wall surface of the second air guiding plate 9 close to the cross flow wind wheel 7 is a windward surface, and the wall surface of the second air guiding plate 9 far away from the cross flow wind wheel 7 is a leeward surface; the second air deflector 9 can reciprocate on the volute tongue 6 away from or close to the cross-flow wind wheel 7 under the drive of the second driving mechanism 20.
According to an embodiment of the present invention, as shown in fig. 4 and 5, the second driving mechanism 20 includes: the third driving assembly 14 and the fourth driving assembly 15 are matched, one of the third driving assembly 14 and the fourth driving assembly 15 is arranged on the volute tongue 6, and the other is arranged on the second air deflector 9, preferably, one of the third driving assembly 14 and the fourth driving assembly 15 is arranged as two parallel racks, and the other is arranged as a gear, in this embodiment, two parallel racks are arranged on the wall surface of the volute tongue 6 close to the second air deflector 9, a gap is arranged between the two racks, and the bent end of the L-shaped second air deflector 9 is inserted into the gap, so that the L-shaped second air deflector 9 can reciprocate on the volute tongue 6 away from or close to the cross-flow wind wheel 7, a gear is arranged at one end of the second air deflector 9 close to the volute tongue 6, and one end of the second air deflector 9 close to the volute tongue 6 is hinged to the gear, or is connected through a ball bearing, so that the rotation of the gear along the racks is converted into a straight line on the volute tongue 6 by the second air deflector 9 And (6) moving.
Specifically, for convenience of understanding, when the driving gear of the driving assembly rotates clockwise along the rack, the driving gear of the driving assembly drives the second air deflector 9 to move on the volute tongue 6 close to the cross-flow wind wheel 7, and similarly, when the driving gear of the driving assembly rotates counterclockwise along the rack, the driving gear of the driving assembly drives the second air deflector 9 to move on the volute tongue 6 away from the cross-flow wind wheel 7; when the cross-flow fan 21 is used, as shown in fig. 1, when the cross-flow air duct of the cross-flow fan 21 is communicated with the air inlet of the indoor unit of the air conditioner, the motor assembly drives the gear to rotate anticlockwise along the rack, and the second air deflector 9 is driven to move on the volute tongue 6 away from the cross-flow wind wheel 7, so that the air inlet area of the air inlet of the indoor unit of the air conditioner is effectively increased, the air inlet volume is increased, the heat exchange efficiency of the air conditioner is improved, and the air outlet volume is finally increased; similarly, as shown in fig. 2, when the cross-flow air duct of the cross-flow fan 21 according to the present embodiment is communicated with the air outlet of the indoor unit of the air conditioner, the motor assembly drives the gear to rotate clockwise along the rack, and the second air deflector 9 is driven to move on the volute tongue 6 to be close to the cross-flow wind wheel 7, so that an arc-shaped cross-flow air duct composed of the volute tongue and the support member is formed, and meanwhile, the characteristics of high wind pressure of the cross-flow wind wheel 7 are matched, so that the air supply distance of the indoor unit of the air conditioner can be effectively increased, and the air supply.
As shown in fig. 6, in a second aspect, the present application provides an indoor unit of an air conditioner, including: the cross-flow fan comprises a casing 1 and a cross-flow fan 21 of any one of the above parts, wherein an upper air inlet 2 and a lower air inlet 3 are arranged on the casing 1, the cross-flow fan 21 is arranged at one side of the casing 1 close to the upper air inlet 2 and the lower air inlet 3, and an evaporator 4 is arranged between the two cross-flow fans 21;
the air conditioner indoor unit in the embodiment is provided with the two air ports, air inlet and air outlet can be achieved, and adjustment can be performed according to the working mode selected by a user, specifically, when the user selects the heating mode, the upper air port 2 serves as an air inlet, the lower air outlet serves as an air outlet, and accordingly floor heating type air supply is achieved, and similarly, when the user selects the cooling mode, the lower air port 3 serves as an air inlet, and the upper air outlet serves as an air outlet, so that shower type air supply is achieved, and user experience is improved; meanwhile, when the air inlet is used as an air inlet, the through-flow air channel corresponding to the air inlet is enlarged, the air inlet area of the air inlet of the indoor unit of the air conditioner is effectively enlarged, the air inlet volume is increased, the heat exchange efficiency of the air conditioner is improved, and the air outlet volume is finally increased; when the cross-flow wind wheel is used as the air outlet, the cross-flow wind channel corresponding to the air outlet is gathered, and the characteristic of high wind pressure of the cross-flow wind wheel 7 is matched, so that the air supply distance of the indoor unit of the air conditioner can be effectively increased, and the air supply capacity is improved.
In a third aspect, the present application provides an air conditioner including the aforementioned air conditioner indoor unit.
As shown in fig. 7, in a fourth aspect, the present application provides a method for controlling an air outlet, which is applied to the indoor unit of an air conditioner, and includes the following steps:
step S101: if the operation that the user starts the heating mode is detected, the actions of air inlet of the cross-flow fan 21 close to the upper air inlet 2 and air outlet of the cross-flow fan 21 close to the lower air inlet 3 are executed, and the actions of enlarging the cross-flow air duct close to the upper air inlet 2 and gathering the cross-flow air duct close to the lower air inlet 3 are executed.
Wherein, carry out and enlarge the through-flow wind channel action of being close to the air inlet 2, include:
a first air deflector 8 arranged close to the air inlet 2 is driven to move on the volute 5 away from the cross-flow wind wheel 7 so as to open an auxiliary air inlet 11;
the second air deflector 9 arranged close to the air inlet 2 is driven to move on the volute tongue 6 away from the cross-flow wind wheel 7.
Wherein, carry out and gather together the action of the through-flow wind channel that is close to the lower wind gap 3, include:
a first air deflector 8 arranged close to the lower air inlet 3 is driven to move close to a cross flow wind wheel 7 on the volute 5 so as to close an auxiliary air inlet 11;
the second air deflector 9 arranged close to the lower tuyere 3 is driven to move close to the cross-flow wind wheel 7 on the volute tongue 6.
According to an embodiment of the invention, the method further comprises:
step S102: if the operation that the user starts the refrigeration mode is detected, the actions of air inlet of the cross-flow fan 21 close to the lower air inlet 3 and air outlet of the cross-flow fan 21 close to the upper air inlet 2 are executed, and the actions of enlarging the cross-flow air duct close to the lower air inlet 3 and gathering the cross-flow air duct close to the upper air inlet 2 are executed.
During the use, when the user selected the mode of heating, then regard as the air intake with last wind gap 2, lower air outlet as the air outlet to the formula air supply warms up is realized, and the through-flow wind channel that is close to last wind gap 2 is increaseed simultaneously, and concrete process is as follows: firstly, the motor component drives the first gear to rotate clockwise, and then drives the second gear to synchronously rotate clockwise, so as to drive the first air deflector 8 to move away from the cross-flow wind wheel 7, and simultaneously drive the groove arranged at one end of the support piece 10 to be separated from the bulge arranged on the support piece 10 until the first air deflector 8 is changed from inclined arrangement to vertical arrangement, so that the opening of the auxiliary air inlet 11 is completed, and the auxiliary air inlet 11 is added on the basis of the original air duct; then, when the motor component drives the gear to rotate anticlockwise along the rack, the second air deflector 9 is driven to move away from the cross-flow wind wheel 7 on the volute tongue 6, so that the air inlet area of an air inlet of an indoor unit of the air conditioner is effectively increased, the air inlet amount is increased, the heat exchange efficiency of the air conditioner is improved, and the air outlet amount is finally increased; meanwhile, gathering the through-flow air duct close to the lower air inlet 3, and the concrete process is as follows: firstly, the motor component drives the first gear to rotate anticlockwise, then drives the second gear to synchronously rotate anticlockwise, and drives the first air deflector 8 to move close to the cross-flow wind wheel 7 until the groove arranged at one end of the support piece 10 is contacted with the protrusion arranged on the support piece 10, so that the closing of the auxiliary air inlet 11 is completed; and then, when the gear is driven by the motor component to rotate clockwise along the rack, the second air deflector 9 is driven to move close to the cross-flow wind wheel 7 on the volute tongue 6, so that an arc-shaped cross-flow air duct consisting of the volute tongue and a supporting piece is formed, and meanwhile, the air supply distance of the indoor unit of the air conditioner can be effectively increased and the air supply capacity is improved by matching the characteristic of high air pressure of the cross-flow wind wheel 7.
When the user selects the cooling mode, the lower air inlet 3 is used as an air inlet, and the upper air outlet is used as an air outlet, so that shower-type air supply is realized, the through-flow air duct close to the lower air inlet 3 is enlarged and the through-flow air duct close to the upper air inlet 2 is gathered, the specific adjusting process is the same as the heating mode, and therefore details are not described herein.
The embodiments in the present description are all described in a progressive manner, and some of the embodiments are mainly described as different from other embodiments, and the same and similar parts among the embodiments can be referred to each other.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward and away from, respectively, a particular component geometry.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct, indirect via an intermediate medium, or internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The above description is only for the preferred embodiment of the present invention, and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (12)
1. A crossflow blower comprising: the cross-flow wind wheel (7) is installed in the volute (5), the volute tongue (6) and the supporting piece (10) are correspondingly installed on two end portions of an opening end of the volute (5), a cross-flow air channel is formed between the volute tongue (6) and the supporting piece (10), an auxiliary air inlet (11) is further formed between the supporting piece (10) and the volute (5), a first air deflector (8) is movably connected to the auxiliary air inlet, and the first air deflector reciprocates on the volute (5) to open or close the auxiliary air inlet (11).
2. The crossflow blower according to claim 1, wherein one end of the first air deflector (8) close to the volute (5) is movably connected with the volute (5) through a first driving mechanism (19), and the first air deflector (8) can reciprocate on the volute (5) away from or close to the crossflow wind wheel (7) under the driving of the first driving mechanism (19) to open or close the auxiliary air inlet (11).
3. A crossflow blower according to claim 2, characterized in that the first drive mechanism (19) comprises: the volute comprises a first driving assembly (12) and a second driving assembly (13) which are matched, wherein one of the first driving assembly (12) and the second driving assembly (13) is arranged on the volute (5), and the other one is arranged at one end, close to the volute (5), of the first air deflector (8).
4. A crossflow blower according to claim 3 in which the first drive assembly (12) and the second drive assembly (13) are provided as meshing gear sets.
5. The crossflow blower of claim 1, wherein one end of the first air deflector (8) close to the support member (10) is movably connected with the support member (10) through a clamping mechanism (18), and the clamping mechanism (18) comprises: the air deflector comprises a first clamping piece (16) and a second clamping piece (17) which are matched with each other, wherein one of the first clamping piece (16) and the second clamping piece (17) is arranged at one end, close to the supporting piece (10), of the first air deflector (8), and the other one of the first clamping piece (16) and the second clamping piece (17) is arranged on the supporting piece (10).
6. A crossflow blower according to claim 5, characterized in that the first catch (16) and the second catch (17) are provided as protrusions and the other as recesses.
7. The crossflow blower according to claim 1, wherein the volute tongue (6) is movably connected with a second air deflector (9) through a second driving mechanism (20), and the second air deflector (9) can reciprocate away from or close to the crossflow wind wheel (7) along the volute tongue (6) under the driving of the second driving mechanism (20).
8. A crossflow blower according to claim 7, characterized in that the second drive mechanism (20) comprises: and the third driving assembly (14) and the fourth driving assembly (15) are matched, one of the third driving assembly (14) and the fourth driving assembly (15) is arranged on the volute tongue (6), and the other one of the third driving assembly and the fourth driving assembly is arranged on the second air deflector (9).
9. A crossflow blower according to claim 8 in which the third drive assembly (14) and the fourth drive assembly (15) are provided as two parallel racks, one of which is provided as a gear.
10. The cross-flow fan according to claim 7, wherein the second air deflector (9) is an L-shaped air deflector, a wall surface of the second air deflector (9) close to the cross-flow wind wheel (7) is a windward surface, and a wall surface of the second air deflector (9) far away from the cross-flow wind wheel (7) is a leeward surface.
11. An indoor unit of an air conditioner, comprising: the cross-flow fan comprises a machine shell (1) and the cross-flow fan (21) as claimed in any one of claims 1 to 10, wherein an upper air inlet (2) and a lower air inlet (3) are formed in the machine shell (1), the cross-flow fan (21) is installed on one side of the machine shell (1) close to the upper air inlet (2) and one side of the machine shell (1) close to the lower air inlet (3), and an evaporator (4) is arranged between the two cross-flow fans (21).
12. An air conditioner characterized by comprising the indoor unit of an air conditioner according to claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216802.7U CN211551805U (en) | 2019-12-11 | 2019-12-11 | Cross-flow fan, air conditioner indoor unit and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922216802.7U CN211551805U (en) | 2019-12-11 | 2019-12-11 | Cross-flow fan, air conditioner indoor unit and air conditioner |
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| Publication Number | Publication Date |
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| CN211551805U true CN211551805U (en) | 2020-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114712A1 (en) * | 2019-12-11 | 2021-06-17 | 珠海格力电器股份有限公司 | Cross-flow fan, air conditioner indoor unit, air conditioner, and air port control method |
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2019
- 2019-12-11 CN CN201922216802.7U patent/CN211551805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114712A1 (en) * | 2019-12-11 | 2021-06-17 | 珠海格力电器股份有限公司 | Cross-flow fan, air conditioner indoor unit, air conditioner, and air port control method |
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