CN112524093A - Air guide assembly and air supply device - Google Patents
Air guide assembly and air supply device Download PDFInfo
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- CN112524093A CN112524093A CN201910878758.8A CN201910878758A CN112524093A CN 112524093 A CN112524093 A CN 112524093A CN 201910878758 A CN201910878758 A CN 201910878758A CN 112524093 A CN112524093 A CN 112524093A
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- volute
- air
- air outlet
- guide vane
- volute tongue
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- 238000005452 bending Methods 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims 2
- 238000005520 cutting process Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers 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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
-
- 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
- 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
- F04D29/4226—Fan casings
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
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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
- F04D29/663—Sound attenuation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses an air guide assembly and an air supply device, wherein the air guide assembly comprises a plurality of guide vanes, each guide vane is provided with a first end and a second end which are opposite, the first end is used for being close to an air outlet, the second end is used for being close to the inside of an air outlet duct, and the second ends of at least two guide vanes are arranged in a non-flush mode, so that the lengths of the two guide vanes extending into the air outlet duct are different. Therefore, the guide vanes are arranged in a layered mode when the air cutting diversion is carried out, so that the air direction is gradually changed through the layered air cutting diversion, the airflow energy loss caused by the guide vanes can be reduced, the airflow air supply distance and the air supply quantity blown out of the air outlet are guaranteed, and the noise problem can be solved.
Description
Technical Field
The present invention relates to the field of air conditioning technologies, and in particular, to an air guide assembly and an air supply device.
Background
The air supply device takes a tower fan as an example, the improvement of the air volume, the maximum outlet air speed and the noise performance index of the tower fan on the current market is always an industrial problem, the noise is increased generally due to the increase of the outlet air speed and the air volume, the noise is reduced due to the reduction of the outlet air speed and the air volume, and the noise is a problem to be solved urgently in the industry when the air volume and the outlet air speed are increased.
Disclosure of Invention
The invention mainly aims to provide an air guide assembly and an air supply device, and aims to solve the problems of noise and air outlet distance of the air supply device in the prior art.
In order to achieve the above object, the present invention provides an air guide assembly for being disposed at an air outlet of an air outlet duct of an air supply device, the air guide assembly including a plurality of guide vanes, each guide vane having a first end and a second end opposite to each other, wherein the first end is disposed near the air outlet, the second end is disposed near the inside of the air outlet duct, and the second ends of at least two guide vanes are disposed in an uneven manner, so that the lengths of the two guide vanes extending into the air outlet duct are different.
Optionally, the at least two vanes are of unequal length.
Optionally, a plurality of the guide vanes include a first guide vane and a second guide vane, wherein the length of the first guide vane is longer than the length of the second guide vane, the first guide vane is provided in at least two, and the second guide vane is provided between the adjacent two first guide vanes.
Optionally, the longitudinal section of the guide vane is curved.
Optionally, a plurality of the guide vanes are arranged at equal intervals.
The present invention also provides an air supply device, comprising:
an air outlet duct having an air outlet; and the number of the first and second groups,
air guide component locates air outlet department, air guide component includes a plurality of stator, each the stator has relative first end and second end, wherein, first end is used for being close to the air outlet setting, the second end is used for being close to the inside setting in air outlet wind channel, at least two the second end of stator is uneven and sets up, so that two stator stretch into extremely length in the air outlet wind channel varies.
Optionally, the air supply device further includes:
the volute and the volute tongue are oppositely arranged to define the air outlet duct; and the number of the first and second groups,
and the cross flow fan is arranged at the air inlet end of the air outlet duct.
Optionally, the guide vane comprises a guide vane inner end arranged close to the cross-flow fan, and the guide vane inner end is arranged in a bent manner towards one side of the volute; and/or the presence of a gas in the gas,
the guide vane of the plurality of guide vanes which is close to the volute is the long guide vane.
Optionally, the volute tongue comprises:
the volute tongue main body section is opposite to the cross flow fan; and the number of the first and second groups,
the volute tongue air outlet section is arranged in a bending way from the outer end of the volute tongue main body section to one side far away from the volute;
the volute includes:
the volute main body section is arranged opposite to the cross flow fan; and the number of the first and second groups,
the volute air outlet section extends from the outer end of the volute main body section towards one side close to the volute tongue in a bending mode.
Optionally, the volute tongue main body section is arranged in an arc concentric with the crossflow blower; and/or the presence of a gas in the gas,
in the direction far away from the cross-flow fan, the bending amplitude of the volute tongue air outlet section in the direction far away from the volute casing is gradually reduced.
Optionally, the volute body section is involute in arrangement.
Optionally, the distance between the cross-flow fan and the volute tongue main body section is d1, and d1 is larger than or equal to 2mm and smaller than or equal to 5 mm.
Optionally, a volute tongue convex part is formed between the volute tongue main body section and the volute tongue air outlet section, a volute convex part is formed between the volute main body section and the volute air outlet section, the volute tongue convex part and the volute convex part define an air outlet diameter d2, and d1 is not less than 35mm and not more than 45 mm.
Optionally, the volute body section has a corresponding central angle a1, 30 ° ≦ a1 ≦ 50 °.
Optionally, the guide vane has the guide vane outer end of keeping away from cross-flow fan, the guide vane outer end is straight type setting, volute tongue main part section with form the volute tongue convex part between the volute tongue wind outlet section, volute tongue convex part with cross-flow fan center line with contained angle a2 between the guide vane outer end, a2 is greater than or equal to 10 degrees and is less than or equal to 15 degrees.
Optionally, the stator has and keeps away from cross-flow fan's stator outer end, the stator outer end is straight type setting, the inner inboard of spiral case main part section is formed with the bellying, the bellying with cross-flow fan center line with contained angle is a3 between the stator outer end, 118 is ≦ a3 ≦ 135.
The air supply device is a cooling fan, a warm fan, a cooling and heating fan or a tower fan.
In the technical scheme of the invention, the second ends of at least two guide vanes are arranged in a non-uniform manner, so that the lengths of the two guide vanes extending into the air outlet duct are different, and therefore, the plurality of guide vanes are performed in a layered manner when performing air cutting diversion.
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 structures shown in the drawings without creative efforts.
FIG. 1 is a schematic view of an embodiment of an air supply apparatus according to the present invention;
FIG. 2 is a schematic view of an alternative embodiment of an air supply apparatus according to the present invention;
fig. 3 is a schematic view of an air supply device according to another embodiment of the present invention.
The reference numbers illustrate:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The invention provides an air supply device, which can be but is not limited to a fan with a heat exchange structure arranged inside, for example, the air supply device can also be an air conditioner and the like. The fan with the heat exchange structure arranged inside can be but is not limited to one of a cooling fan, a warm fan, a cooling and heating fan and a tower fan.
Before this design, air supply arrangement's air outlet 11 has and sets up air guide component, and air guide component includes a plurality of stator, but the length of current stator is unanimous, and for this reason prior art carries out the water conservancy diversion through the wind of once only locating air outlet 11 and cuts the wind, also once only changes the wind direction, so, changes all air current wind directions excessively urgently, can make the energy loss of air current great and influence the air-out distance to can produce great noise.
In view of this, the present invention provides an air supply device to solve the problems of the prior art that the guide vane cuts the wind and guides the flow to cause large energy loss of the air flow and generate large noise. Fig. 1 to 3 illustrate an embodiment of the present invention, specifically, in the embodiment of the present invention, the fan with the heat exchange structure therein is a tower fan, and the present invention is further described below with reference to fig. 1 to 3.
Referring to fig. 1 to 3, in an embodiment of the present invention, the air supply device 100 includes an air outlet duct 1 and an air guide assembly (not numbered), the air outlet duct 1 has an air outlet 11, the air guide assembly is disposed at the air outlet 11 of the air duct 1, the air guide assembly includes a plurality of guide vanes 2, each guide vane 2 has a first end and a second end opposite to each other, wherein the first end is disposed near the air outlet 11, that is, near the outside, the second end is disposed near the inside of the air outlet duct 1, and the second ends of at least two guide vanes 2 are disposed in an uneven manner, so that the lengths of the two guide vanes 2 extending into the air outlet duct (1) are different.
When the air supply device 100 is in operation, the air flow in the air outlet duct 1 is blown out from the air outlet 11, the guide vanes 2 cut the air flow to change the flow direction of the air flow at the air outlet 11, and the second ends of at least two guide vanes 2 are arranged unevenly, so that the lengths of the two guide vanes 2 extending into the air outlet duct 1 are unequal, for this purpose, the guide vanes 2 perform cut air diversion in a hierarchical manner, specifically, the guide vanes 2 with more prominent second ends perform first cut air diversion on the air flow, and then the other guide vanes 2 with shorter length perform subsequent cut air diversion, so that the air direction is gradually changed by the hierarchical cut air diversion, the air flow energy loss caused by the cut air diversion of the guide vanes 2 can be reduced, and the air supply distance and the air supply quantity blown out from the air outlet 11 are guaranteed, and noise problems can be improved.
The guide vanes 2 are arranged in a layered air cutting manner, obviously, the more the air cutting manner, the smaller the resistance to the air flow, and the smaller the energy loss of the air flow, for this reason, as an alternative to the lengths of the guide vanes 2, the second ends of the guide vanes 2 can be divided into at least 3 layers, that is, at least 3 times of air cutting can be realized, specifically, the guide vanes 2 comprise the guide vane 2 with the second end closest to the inside of the air outlet duct 1, the guide vane 2 with the second end closest to the air outlet 11, and the guide vane 2 with the second end between the second ends of the two guide vanes 2. Therefore, the tangential wind diversion of more than 3 levels can be realized, so that the tangential wind diversion of the guide vanes 2 is slowly performed in different levels, the energy loss of airflow is less, and obviously, the second ends of the guide vanes 2 can be divided into more than 3 gradients under the condition of space allowance.
When the wind is cut and divided, the guide vanes 2 are arranged in different gradients according to the second ends of the guide vanes 2, the guide vane 2 with the second end protruding firstly cuts the air flow and divides the air flow into a plurality of larger air flows, the guide vanes 2 with their second ends closer to the air outlet 11 then divide the larger air flow into smaller air flows, in order to achieve a comparable splitting action for each of the larger flows, so that the wind finally emerging from the outlet opening 11 is uniform, for this purpose, as an alternative to the arrangement of a plurality of vanes 2, the plurality of vanes 2 comprises a first vane 2a and a second vane 2b, wherein the length of the first guide vanes 2a is longer than the length of the second guide vanes 2b, the number of the first guide vanes 2a is at least two, and two adjacent first stator 2a between be provided with second stator 2b, so can cut the wind to the air current step by step.
"at least two the second end of stator 2 is uneven the specific implementation who sets up" does not do the restriction, can be the length of stator 2 is unanimous, is being close to on the inside direction in air-out wind channel 1, will at least two in a plurality of stator 2 set up to stagger the setting, in order to reach at least two the second end of stator 2 is uneven the setting, also can, the length of stator 2 is inconsistent, through at least the length of two stator 2 is unequal, in this embodiment, the length of stator 2 sets up to inconsistent, and the second end is to air-out wind channel 1 outstanding the length of stator 2 is longer.
The shape of the guide vane 2 is not limited as long as it can realize split flow air guiding, and in this embodiment, in order to make the guide vane 2 have a better air guiding effect, the longitudinal section of the guide vane 2 is a curve.
It is a plurality of the stator 2 can be the equidistant arranging, also can be for the non-equidistant arranging, in this embodiment, a plurality of stator 2 is equidistant setting, on the one hand makes things convenient for the manufacturing, and on the other hand makes the cut wind more even.
As can be seen from the foregoing, the guide vane 2 of the present invention does not particularly limit the structure of the air outlet duct 1, that is, the air outlet duct 1 may be the air outlet duct 1 of the cross-flow fan 3, the air outlet duct 1 of the axial-flow fan, or the air outlet duct 1 of the centrifugal fan. In the embodiment of the present invention, the air outlet duct 1 is an air outlet duct 1 of a cross flow fan 3, and the following describes the air outlet duct 1 of the cross flow fan 3 as the air outlet duct 1 in detail with reference to fig. 1 to 3 as an example:
referring to fig. 1 to 3, the air supply device 100 further includes a volute 1a, a volute tongue 1b and a cross-flow fan 3, wherein the volute 1a and the volute tongue 1b are disposed oppositely to define the air outlet duct 1, and the cross-flow fan 3 is disposed at an air inlet end of the air outlet duct 1.
Under the action of the cross flow fan 3, airflow is turned and bent in the air outlet duct 1, energy loss of the airflow is caused in the turning process, and the turned airflow is blown out through the air outlet 11, at the moment, the guide vane 2 is particularly important in design, the guide vane 2 is unreasonable in design, and the energy loss of the airflow is further increased, so that the hierarchical design of the guide vanes 2 provided in the embodiment of the invention is particularly suitable for the cross flow fan 3.
In the embodiment of the present invention, as an alternative to the shape of the guide vane 2, the guide vane 2 includes an inner end of the guide vane 2 disposed close to the crossflow blower 3, and the inner end of the guide vane 2 is disposed in a curved manner toward one side of the scroll casing 1a (i.e., rightward in the drawing), so that a cut-in point of the inner end of the guide vane 2 is as far as possible along the direction of the airflow coming from the scroll casing 1a, which is beneficial for guiding the airflow coming from the scroll casing 1a, thereby reducing the energy loss of the airflow.
In the embodiment of the present invention, as an alternative to the arrangement of the second end guide vane 2a, the guide vane 2 of the plurality of guide vanes 2 close to the volute 1a is the guide vane 2 with the second end closer to the inside of the outlet air duct 1, that is, the first guide vane 2a, because the airflow flows out along the direction in which the volute main body section 11a extends, for this reason, the air outlet 11 forms a weak airflow region at a position close to the volute main body section 11a, and by setting the guide vane 2 of the plurality of guide vanes 2 close to the volute 1a as the first guide vane 2a, the first guide vane 2a guides the airflow into the weak airflow region when the wind is primarily cut and guided, so that the airflow finally flowing out from the air outlet 11 is more uniform.
The volute 1a and the volute tongue 1b jointly define the air outlet duct 1 to cooperate with the cross flow fan 3 to generate an air flow, the volute 1a and the volute tongue 1b may adopt an existing volute 1a and an existing volute tongue 1b, and the existing volute 1a and the existing volute tongue 1b are not described much, and the structure of the volute tongue 1b and the volute 1a provided by the present invention is described with reference to fig. 1 to 3.
Specifically, in the embodiment of the present invention, the volute tongue 1b includes a volute tongue main body section 11b and a volute tongue air outlet section 12b, the volute tongue main body section 11b is disposed opposite to the cross-flow fan 3, the volute tongue air outlet section 12b is disposed in a curved manner from an outer end of the volute tongue main body section 11b toward a side (i.e., a left side in the drawing) away from the volute casing 1a, the volute casing 1a includes a volute casing section 11a and a volute air outlet section 12a, the volute casing section 11a is disposed opposite to the cross-flow fan 3, the volute air outlet section 12a extends in a curved manner from the outer end of the volute casing section 11a toward a side (i.e., the left side in the drawing) close to the volute tongue 1b, and the volute air outlet section 12a and the volute tongue air outlet section 12b jointly define the air outlet 11 of the air outlet duct 1.
In the embodiment of the present invention, as an alternative to the shape of the volute tongue main body segment 11b, the volute tongue main body segment 11b is disposed in an arc concentric with the cross flow fan 3, so that the distances of the return air gaps formed between the volute tongue main body segment 11b and the cross flow fan 3 are equal at all places, and thus, when a part of the airflow of the cross flow fan 3 returns from the return air gaps to the air outlet duct, the distances of the return air gaps at all places are equal, thereby avoiding the influence on the airflow due to the unequal distances, such as obstruction of the airflow.
In the embodiment of the present invention, as an optional optimization scheme for the shape of the outlet section of the volute tongue 1b, in the direction away from the crossflow blower 3, the bending amplitude of the outlet section 12b of the volute tongue towards the direction away from the volute casing 1a is gradually reduced, so as to gradually adjust the outlet direction and reduce the loss of the airflow at the side of the outlet section 12b of the volute tongue.
Obviously, the above alternative of the shape of the volute tongue main body section 11b and the alternative of the shape of the air outlet section of the volute tongue 1b can exist at the same time or alternatively, and the alternatives are determined according to actual needs.
In the embodiment of the present invention, as an alternative to the shape of the volute main body segment 11a, the volute main body segment 11a is arranged in an involute, so that the distance between the volute main body segment 11a and the cross-flow fan 3 in the airflow direction is gradually increased to gradually change the angle of the airflow in the air outlet duct 1, and reduce the energy loss of the airflow at the side of the volute main body segment 11a to ensure the air outlet amount and the air outlet speed.
Besides the above-mentioned preferential design of the structure of the volute 1a and the volute tongue 1b, the present invention also provides the related optimization of the dimensional and position relationship between the volute 1a and the volute tongue 1b, specifically as follows:
in the embodiment of the present invention, as an alternative design of the position relationship between the volute tongue main body segment 11b and the crossflow blower 3, the distance between the crossflow blower 3 and the volute tongue main body segment 11b is d1, it should be noted that the distance between the crossflow blower 3 and the volute tongue main body segment 11b may be constant, for example, as an alternative to the shape of the volute tongue main body segment 11b, the volute tongue main body segment 11a is arranged concentrically with the crossflow blower 3, and when d1 is equal everywhere, i.e. constant, and for a variable distance, d1 is the minimum distance. The d1 is not easy to be too small, if the d1 is too small, the cross flow fan 3 and the volute tongue main body section 11b are interfered due to the size error of the cross flow fan 3 in installation or manufacture, similarly, the d1 cannot be too large, the too large air return quantity is large, and the air output quantity of the air outlet 11 is influenced, and therefore, the d1 is more than or equal to 2mm and less than or equal to 5 mm.
In the embodiment of the present invention, as an alternative to the size of the air outlet 11, a volute tongue convex portion 13b is formed between the volute tongue main body section 11b and the volute tongue air outlet section 12b, a volute convex portion 13a is formed between the volute casing main body section 11a and the volute air outlet section 12a, the diameter of the air outlet 11 defined by the volute tongue convex portion 13b and the volute convex portion 13a is d2, it should be noted that the diameter of the air outlet 11 defined by the volute tongue convex portion 13b and the volute convex portion 13a is d2, which is not equal to the circular shape of the outlet, the diameter d2 is the diameter of a corresponding inscribed circle between the volute tongue convex portion 13b and the volute convex portion 13a, that is, it can be understood that the distance between the volute tongue convex portion 13b and the volute convex portion 13a, the size of d2 cannot be too large, and if too large, the air outlet pressure and thus the air outlet distance are affected, and the size of d2 also cannot be too small, if the air outlet volume is too small, the air outlet volume is smaller, so that d2 is more than or equal to 35mm and less than or equal to 45 mm.
In the embodiment of the invention, as an alternative to the length of the volute tongue main body section 11b, the central angle corresponding to the volute tongue main body section 11b is a1, the larger a1 represents that the greater the length of the volute tongue main body section 11b is, the more beneficial the wind guiding is, but limited by space and size, a1 cannot be too large, meanwhile, a1 cannot be too small, the too small wind guiding effect is small, the backflow airflow is easy to form turbulence in the air duct, generate noise and influence the stability of the airflow, and therefore, 30 ° ≦ a1 ≦ 50 °.
In the embodiment of the present invention, as an alternative to the orientation of the volute tongue body section 11b and the outlet 11, the guide vane 2 is provided with an outer end of the guide vane 2 far away from the cross flow fan 3, the outer end of the guide vane 2 is arranged in a straight shape, a volute tongue convex part 13b is formed between the volute tongue main body section 11b and the volute tongue air outlet section 12b, the included angle between the central connecting line of the volute tongue convex part 13b and the cross flow fan 3 and the outer end of the guide vane 2 is a2, the angle of a2 cannot be too small, a2 is too small, the volute tongue convex part 13b is too close to the air outlet 11, therefore, if the air outlet 11 is too small, a2 cannot be too large, and a2 is too large, the airflow from the volute body section 11a easily flows from the volute tongue protrusion 13b to the space between the volute tongue body section 11b and the cross flow fan 3, that is, the return air is large, and the component loss is large, and therefore, 10 ° ≦ a2 ≦ 15 °.
In the embodiment of the invention, as an optional optimization scheme of the volute 1a main body, the guide vane 2 has an outer end of the guide vane 2 far away from the crossflow fan 3, the outer end of the guide vane 2 is arranged in a straight shape, a bulge 14a is formed inside the inner end of the volute main body section 11a, an included angle between a central connecting line of the bulge 14a and the crossflow fan 3 and the outer end of the guide vane 2 is a3, a3 cannot be too small, the small value can affect the size of air inlet (axial air inlet of the crossflow fan 3), a3 cannot be too small or too large, the angle change of the air flow is large in the advancing process, the energy loss is large, and therefore, a3 is more than or equal to 118 degrees and less than or equal to 135 degrees
Obviously, as an alternative to the above-mentioned size relationship between the volute 1a and the volute tongue 1b, etc., they may exist alternatively or in combination, and it is preferable that the above-mentioned four alternatives exist together for better performance.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (17)
1. The utility model provides an air guide component for set up the air outlet department in air supply arrangement's air outlet flue, a serial communication port, air guide component includes a plurality of stator, each the stator has relative first end and second end, wherein, first end is used for being close to the air outlet sets up, the second end is used for being close to the inside setting in air outlet flue, at least two the second end of stator is uneven and sets up, so that two stator stretch into to length in the air outlet flue varies.
2. The air guide assembly as claimed in claim 1, wherein at least two of the vanes are of unequal lengths.
3. The air guide assembly as claimed in claim 2, wherein the plurality of guide vanes comprise a first guide vane and a second guide vane, wherein the length of the first guide vane is longer than the length of the second guide vane, the first guide vane is provided in at least two, and the second guide vane is provided between two adjacent first guide vanes.
4. The air guide assembly as claimed in claim 1, wherein the longitudinal cross section of the guide vane is curved.
5. The air guide assembly as claimed in claim 1, wherein a plurality of the guide vanes are arranged at equal intervals.
6. An air supply device, comprising:
an air outlet duct having an air outlet; and the number of the first and second groups,
the air guide assembly is arranged at the air outlet and is the air guide assembly as claimed in any one of claims 1 to 5.
7. The air supply arrangement of claim 6, further comprising:
the volute and the volute tongue are oppositely arranged to define an air outlet duct of the air guide assembly; and the number of the first and second groups,
and the cross flow fan is arranged at the air inlet end of the air outlet duct.
8. The air supply arrangement as recited in claim 7, wherein an end of the vane remote from the outlet is curved toward a side of the volute.
9. The air supply arrangement as recited in claim 7, wherein the volute tongue comprises:
the volute tongue main body section is opposite to the cross flow fan; and the number of the first and second groups,
the volute tongue air outlet section is arranged in a bending way from the outer end of the volute tongue main body section to one side far away from the volute;
the volute includes:
the volute main body section is arranged opposite to the cross flow fan; and the number of the first and second groups,
the volute air outlet section extends from the outer end of the volute main body section towards one side close to the volute tongue in a bending mode, and the volute main body section and the volute tongue air outlet section jointly define the air outlet.
10. The air supply arrangement as recited in claim 9, wherein the volute tongue body section is arranged in an arc concentric with the crossflow blower; and/or the presence of a gas in the gas,
in the direction far away from the cross-flow fan, the bending amplitude of the volute tongue air outlet section in the direction far away from the volute casing is gradually reduced.
11. The air supply arrangement as recited in claim 9, wherein the volute body section is involute in shape.
12. The air supply arrangement as recited in claim 9, wherein the cross-flow fan is spaced from the volute body section by a distance d1, 2mm d1 mm 5 mm.
13. The air supply device of claim 9, wherein a volute tongue convex part is formed between the volute tongue main body section and the volute tongue air outlet section, a volute convex part is formed between the volute main body section and the volute air outlet section, and the volute tongue convex part and the volute convex part define an air outlet aperture of d2, and d 2mm 45mm is larger than or equal to 35 mm.
14. The air supply arrangement as recited in claim 9 wherein the volute tongue body section has a corresponding central angle a1, 30 ° ≦ a1 ≦ 50 °.
15. The air supply device as claimed in claim 9, wherein the guide vane has a guide vane outer end far away from the cross-flow fan, the guide vane outer end is arranged in a straight shape, a volute tongue convex part is formed between the volute tongue main body section and the volute tongue air outlet section, an included angle between a connecting line of the volute tongue convex part and the cross-flow fan center and the guide vane outer end is a2, and a2 is more than or equal to 10 degrees and less than or equal to 15 degrees.
16. The air supply arrangement as claimed in claim 9, wherein the guide vane has a guide vane outer end away from the cross flow fan, the guide vane outer end is arranged in a straight shape, a protrusion is formed inside the inner end of the volute main body section, and an included angle between a connecting line of the protrusion and the cross flow fan center and the guide vane outer end is a3, and a3 is more than or equal to 118 degrees and less than or equal to 135 degrees.
17. The air supply arrangement as recited in claim 6, wherein said air supply arrangement is a cooling fan, a warming fan, a cooling and warming fan, or a tower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878758.8A CN112524093A (en) | 2019-09-17 | 2019-09-17 | Air guide assembly and air supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910878758.8A CN112524093A (en) | 2019-09-17 | 2019-09-17 | Air guide assembly and air supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112524093A true CN112524093A (en) | 2021-03-19 |
Family
ID=74974918
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910878758.8A Pending CN112524093A (en) | 2019-09-17 | 2019-09-17 | Air guide assembly and air supply device |
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| Country | Link |
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| CN (1) | CN112524093A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113586472A (en) * | 2021-07-23 | 2021-11-02 | 广东美的厨房电器制造有限公司 | Cross-flow fan |
| CN114962335A (en) * | 2021-11-30 | 2022-08-30 | Tcl空调器(中山)有限公司 | Volute structure, air duct component and air conditioner |
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| CN114962335A (en) * | 2021-11-30 | 2022-08-30 | Tcl空调器(中山)有限公司 | Volute structure, air duct component and air conditioner |
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Application publication date: 20210319 |