CN207420973U - Air conditioner, axial flow blower and its air passage - Google Patents
Air conditioner, axial flow blower and its air passage Download PDFInfo
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- CN207420973U CN207420973U CN201721420554.2U CN201721420554U CN207420973U CN 207420973 U CN207420973 U CN 207420973U CN 201721420554 U CN201721420554 U CN 201721420554U CN 207420973 U CN207420973 U CN 207420973U
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Abstract
The utility model provides a kind of axial flow blower and its air passage and air conditioner, and air passage includes：Body and front pressuring plate, body include inner ring, tubular shell and multiple blades, and shell is set on the outside of inner ring, and multiple blades are connected between inner ring and shell, and with inner ring and shell, and multiple blades are engaged with inner ring and shell and limit air outlet；Front pressuring plate is arranged at air outlet, and along the flow direction of air-flow, front pressuring plate has leading edge and trailing edge, and trailing edge tilts extension to the direction of the air outlet close to air conditioner.The air passage of axial flow blower provided by the utility model by setting front pressuring plate at air outlet, is pressed before the air passage stage is by outlet air using front pressuring plate, finally ensures front outlet air, the phenomenon that wind up floats do not occur, so as to improve the outlet air comfort of air conditioner；And have the advantages of simple structure and easy realization, suitable for promoting.
Description
Technical field
The utility model is related to air conditioner technical field, in particular to a kind of air passage of axial flow blower, a kind of axis
Flow fan and a kind of air conditioner.
Background technology
At present, existing air conditioner indoor unit especially cabinet-type air conditioner is generally tied using centrifugal blower or cross flow fan as air-supply
Structure, but design and product quality requirement is gradually stepped up, axis stream wind with to deepening continuously for heat pump performance, structure etc.
Machine enters the sight of research staff with advantages such as its high efficiency, Wind Volumes.But it finds through practice, is applied to when by axial flow blower
When in cabinet air-conditioner, outlet air air-flow cannot be oriented to front, it may appear that the phenomenon that wind up floats, this affects relaxing for cabinet-type air conditioner air-supply
Adaptive.
Utility model content
At least one in order to solve the above-mentioned technical problem, one of the utility model is designed to provide a kind of axial flow blower
Air passage.
Another of the utility model is designed to provide a kind of axial flow blower for including above-mentioned air passage.
Another of the utility model is designed to provide a kind of air conditioner for including above-mentioned axial flow blower.
To achieve these goals, the technical solution of the utility model first aspect provides a kind of wind of axial flow blower
Road, for air conditioner, including：Body, including inner ring, tubular shell and multiple blades, the shell is set in described
Circle outside, multiple blades are connected between the inner ring and the shell, and with the inner ring and the shell, and more
A blade is engaged with the inner ring and the shell and limits air outlet；Front pressuring plate is arranged at the air outlet, and
Along the flow direction of air-flow, the front pressuring plate have leading edge and trailing edge, the trailing edge to close to the air conditioner air outlet
Direction tilt extension.
The air passage for the axial flow blower that the technical solution of the utility model first aspect provides, before being set at air outlet
Pressing plate is pressed using front pressuring plate before the air passage stage is by outlet air, finally ensures front outlet air, and do not occur that wind up floats shows
As so as to improve the outlet air comfort of air conditioner；And have the advantages of simple structure and easy realization, suitable for promoting.
Specifically, the technical staff of our company after test of many times and research by having found：In the prior art, air-flow passes through
It during axial flow blower air passage, is flowed up along the axis direction in air passage, turns again to flow out when reaching air conditioner air outlet, due to air passage
The flow velocity that the air-flow of submitting is upward is larger, causes air-flow that cannot be turned to completely when reaching air outlet, causes wind occurred up to float
The phenomenon that；Based on this, the application is additionally arranged front pressuring plate at the duct outlet of axial flow blower, changes air passage using front pressuring plate
Shape, and then improve the flow velocity and flow direction of air-flow, to achieve the purpose that ensure front outlet air.Specifically, when air conditioner works,
Air-flow first is moved upwards along the air passage of axial flow blower, when reaching the front pressuring plate at air outlet, can along front pressuring plate leading edge to
Trailing edge flows, and since the trailing edge of front pressuring plate tilts extension to close to the direction of air outlet, thus certain lead is played to air-flow
To effect and drainage, the component velocity of air-flow vertical direction is not only suitably reduced, but also air-flow is made to be provided with certain level point
Speed in this way, when air-flow is reached at air outlet, can turn to completely under the action of wind deflector, it is ensured that front outlet air, from
And the phenomenon that wind up floats is avoided, improve the comfort of outlet air.
What deserves to be explained is in the application, the front-rear direction of " leading edge " and " trailing edge " of front pressuring plate is the stream according to air-flow
What dynamic direction defined, i.e.,：Be leading edge positioned at upstream, be trailing edge positioned at downstream, and in true bearing up and down before
Afterwards without positive connection.
In addition, the air passage of the axial flow blower in above-mentioned technical proposal provided by the utility model can also have following add
Technical characteristic：
In the above-mentioned technical solutions, the front pressuring plate is arranged on the air outlet close to the one side of the air outlet.
The technical staff of our company after test of many times and research by having found：Air outlet is sent out close to the one side of air outlet
Air-flow can turn to outflow when reaching at air outlet under the action of wind deflector, however only be difficult to realize uniformly go out by wind deflector
Wind causes fraction that can up float, and generates the phenomenon that wind up floats；And the air-flow that one side of the air outlet away from air outlet is sent out
It then can then turn under the action of top plate and blown out from air outlet, since top plate can be ensured that this up to air conditioner top plate
Fraction turns to completely, so the phenomenon that this fraction will not cause wind up to float substantially.Therefore, it is only close in air outlet
The one side of air outlet sets front pressuring plate that can be effectively improved the phenomenon that wind up floats, and so also simplifies the structure in air passage, has
Beneficial to cost-effective.
In the above-mentioned technical solutions, the leading edge is connected with the outside wall surface of the inner ring.
The leading edge of front pressuring plate is connected with the outside wall surface of inner ring, then air passage only forms in the exit close to air outlet one side
The air channel structure of abnormity, both so that the air-flow of the side is oriented to when flowing out air passage and drainage, and then at air outlet
Vertical export, ensure that floor standing air-conditioner can positive outlet air, in turn avoiding the position of front pressuring plate irregularly causes air channel structure to become
Changing excessive causes air-flow to get muddled or generate the harmful effects such as excessive windage.
In the above-mentioned technical solutions, the leading edge and the outside wall surface of the inner ring are smoothly connected.
The leading edge of front pressuring plate and the outside wall surface of inner ring are smoothly connected (i.e. arc-shaped transition connects), can so improve entire wind
The structural continuity of road in the axial direction avoids entire air passage change in size gradient is excessive vertically to cause gas-flow resistance is excessive to ask
Topic realizes the kinetic energy rejection for reducing air-flow and reduces the purpose of pneumatic noise.
In any of the above-described technical solution, the trailing edge is concordant with the air outlet.
The trailing edge of front pressuring plate is concordant with the air outlet in air passage, air-flow can be made directly to depart from air passage after front pressuring plate is flowed through,
So as to which the turbulent flow reduced in the back pressure side of front pressuring plate influences, the kinetic energy rejection of air-flow was both reduced further, had further been reduced
Pneumatic noise.
In any of the above-described technical solution, the longitudinal section of the front pressuring plate is cambered surface, and the cambered surface is to close to the air passage
Axis direction protrusion.
The longitudinal section of front pressuring plate is cambered surface, then the axial direction in the plate face of front pressuring plate along air passage is also cambered surface, this is convenient for gas
Stream againsts front pressuring plate and smoothly flows；It is protruded due to cambered surface to the axis direction close to air passage, i.e.,：It is directed toward along the leading edge of front pressuring plate
Trailing edge, the slope of the arcuate surface of front pressuring plate are gradually reduced, in this way, air-flow along front pressuring plate flow when, axial direction point speed
Degree is gradually consumed, and the component velocity of radial direction gradually increases, and so as to optimize the guiding role of front pressuring plate, exists convenient for air-flow
It smoothly turns at air outlet, and then is exported along the direction of vertical ventilation mouth.
In any of the above-described technical solution, the blade includes main body and protrusion, and the main body has in inner concavity
Pressure face and the suction surface in outer gibbosity, the protrusion are connected with the rear end of the main body, and are protruded to the pressure surface side；
Wherein, the leading edge and the front end flush of the protrusion.
Blade includes main body and protrusion, and protrusion is protruded to the pressure surface side of main body, can be before the air outlet in air passage
Convergence structure is formed, can realize gathering for air-flow, reduces wind loss；And make the leading edge of front pressuring plate and the front end phase of protrusion
Concordantly, then front pressuring plate can be engaged with protrusion, while the flow direction of air-flow is corrected, this is equivalent to air passage in air outlet
The shape at place only changes once, and the shape consecutive variations for avoiding air passage cause windage loss is excessive to happen.
In any of the above-described technical solution, both ends that the front pressuring plate is oppositely arranged along the air passage circumferential direction with two
The blade is fixedly connected.
Front pressuring plate is fixedly connected along the both ends that air passage circumferential direction is oppositely arranged with two blades, then the both ends of front pressuring plate are prolonged
It has reached on two blades, it is disorderly this avoids having gap that near gaps is caused to generate air-flow between the end of front pressuring plate and blade
Random happens, so as to avoid because adding situations such as front pressuring plate causes air conditioner noise to increase.
In any of the above-described technical solution, footpath of projection of the front pressuring plate on the air passage cross section along the air passage
Width to direction is in the range of 5cm-12cm.
The width of projection of the front pressuring plate on the cross section of air passage along the radial direction in air passage is controlled to the model in 5cm-12cm
It in enclosing, had both avoided that front pressuring plate is narrow to cause wind effect is unconspicuous to happen, and had in turn avoided that front pressuring plate is wide to cause wind
Machine air outlet is significantly blocked and seriously affects happening for axial flow blower outlet air.
In any of the above-described technical solution, the front pressuring plate is an integral structure with the body.
Front pressuring plate is an integral structure with body, on the one hand improves the bonding strength of the two, and then improves air passage
Use reliability；On the other hand the two can be integrally formed, and then can improve production efficiency, shorten the production cycle；Meanwhile also
It can reduce by one of assembly process, thus also improve efficiency of assembling.
In any of the above-described technical solution, the front pressuring plate is split structure with the body.
Front pressuring plate is split structure with body, i.e. front pressuring plate and body separates separately formed, then install front pressuring plate
Corresponding position on to body which simplify the structure of front pressuring plate and body, and then also simplifies the mould structure of the two, just
In machine-shaping, and convenient for the repair and replacement of front pressuring plate and body.
The technical solution of the utility model second aspect provides a kind of axial flow blower, including：Such as first aspect technical side
The air passage of axial flow blower any one of case；And wind wheel, in the air passage.
The axial flow blower that the technical solution of the utility model second aspect provides, because including appointing in first aspect technical solution
Air passage described in one, thus with all advantageous effects possessed by any of the above-described technical solution, details are not described herein.
The technical solution of the utility model third aspect provides a kind of air conditioner, including：Body, the body, which has, to be sent
Air port；With the axial flow blower as described in the technical solution such as second aspect, in the body, and the wind of the axial flow blower
Road is connected with the air outlet, and the axis in the air passage is perpendicular to the axis of the air outlet.
The air conditioner that the technical solution of the utility model third aspect provides, because including any in second aspect technical solution
Axial flow blower described in, thus with all advantageous effects possessed by any of the above-described technical solution, details are not described herein.
In the above-mentioned technical solutions, the air conditioner is axis stream cabinet-type air conditioner, is specially axis stream cylinder cabinet-type air conditioner.
The additional aspect and advantage of the utility model will become apparent or new by this practicality in following description section
The practice of type is recognized.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the utility model will in the description from combination accompanying drawings below to embodiment
Become apparent and be readily appreciated that, wherein：
Fig. 1 is the dimensional structure diagram at first visual angle in the air passage described in the utility model some embodiments；
Fig. 2 is the main structure diagram in air passage shown in Fig. 1；
Fig. 3 is the backsight structural representation in air passage shown in Fig. 1；
Fig. 4 is the left view structural representation in air passage shown in Fig. 1；
Fig. 5 is the right side structural representation in air passage shown in Fig. 1；
Fig. 6 is the overlooking the structure diagram in air passage shown in Fig. 1；
Fig. 7 is the present invention looks up structural representation in air passage shown in Fig. 1；
Fig. 8 is the dimensional structure diagram at air passage second shown in Fig. 1 visual angle；
Fig. 9 is the dimensional structure diagram at the 3rd visual angle in air passage shown in Fig. 1；
Figure 10 is the dimensional structure diagram at the 4th visual angle in air passage shown in Fig. 1；
Figure 11 is the dimensional structure diagram at the 5th visual angle in air passage shown in Fig. 1；
Figure 12 is the dimensional structure diagram at the 6th visual angle in air passage shown in Fig. 1.
Wherein, the correspondence between the reference numeral in Fig. 1 to Figure 12 and component names is：
10 inner rings, 20 shells, 30 blades, 31 main bodys, 32 protrusions, 40 front pressuring plates, 50 air outlets.
Specific embodiment
In order to be more clearly understood that the above-mentioned purpose of the utility model, feature and advantage, below in conjunction with the accompanying drawings and have
The utility model is further described in detail in body embodiment.It should be noted that in the case where there is no conflict, this Shen
The feature in embodiment and embodiment please can be mutually combined.
Many details are elaborated in the following description in order to fully understand the utility model, still, this practicality
New to be implemented using other different from other modes described here, therefore, the scope of protection of the utility model is simultaneously
From the limitation of following public specific embodiment.
Referring to air passage of Fig. 1 to Figure 12 descriptions according to the axial flow blower described in the utility model some embodiments, axis
Flow fan and air conditioner.
As shown in Figures 1 to 12, the embodiment of the utility model first aspect provides a kind of air passage of axial flow blower, uses
In air conditioner, including：Body and front pressuring plate 40.
Specifically, body includes inner ring 10, tubular shell 20 and multiple blades 30, as shown in Figure 1, shell 20 is arranged
In 10 outside of inner ring, multiple blades 30 are connected between inner ring 10 and shell 20, and with inner ring 10 and shell 20, and multiple leaves
Piece 30 is engaged with inner ring 10 and shell 20 and limits air outlet 50；Front pressuring plate 40 is arranged at air outlet 50, and along air-flow
Flow direction, front pressuring plate 40 have leading edge and trailing edge, trailing edge to close to air conditioner air outlet direction tilt extension.
The air passage for the axial flow blower that the embodiment of the utility model first aspect provides, by being set at air outlet 50
Front pressuring plate 40 is pressed using front pressuring plate 40 before the air passage stage is by outlet air, finally ensures front outlet air, does not occur wind and up float
The phenomenon that, so as to improve the outlet air comfort of air conditioner；And have the advantages of simple structure and easy realization, suitable for promoting.
Specifically, the technical staff of our company after test of many times and research by having found：In the prior art, air-flow passes through
It during axial flow blower air passage, is flowed up along the axis direction in air passage, turns again to flow out when reaching air conditioner air outlet, due to air passage
The flow velocity that the air-flow of submitting is upward is larger, causes air-flow that cannot be turned to completely when reaching air outlet, causes wind occurred up to float
The phenomenon that；Based on this, the application is additionally arranged front pressuring plate 40 at the duct outlet 50 of axial flow blower, is changed using front pressuring plate 40
The shape in air passage, and then improve the flow velocity and flow direction of air-flow, to achieve the purpose that ensure front outlet air.Specifically, air conditioner
During work, air-flow is first moved upwards along the air passage of axial flow blower, can be along preceding pressure when reaching the front pressuring plate 40 at air outlet 50
The leading edge of plate 40 is flowed to trailing edge, since the trailing edge of front pressuring plate 40 tilts extension to close to the direction of air outlet, thus to air-flow
Certain guiding role and drainage are played, not only suitably reduces the component velocity of air-flow vertical direction, but also there is air-flow
Certain horizontal component velocity in this way, when air-flow is reached at air outlet, can turn to, really completely under the action of wind deflector
Front outlet air is protected, the phenomenon that up floaing so as to avoid wind, improves the comfort of outlet air.
Further, front pressuring plate 40 is arranged on air outlet 50 close to the one side of air outlet, as shown in Figure 1, Figure 2, Fig. 3, Figure 10, figure
Shown in 11 and Figure 12.
The technical staff of our company after test of many times and research by having found：Air outlet 50 is sent out close to the one side of air outlet
Air-flow, outflow can be turned under the action of wind deflector when reaching at air outlet, however is only difficult to realize uniformly by wind deflector
Outlet air causes fraction that can up float, and generates the phenomenon that wind up floats；And what one side of the air outlet 50 away from air outlet was sent out
Then air-flow under the action of top plate can then turn to and blown out from air outlet, since top plate can be true up to air conditioner top plate
This fraction is protected to turn to completely, so the phenomenon that this fraction will not cause wind up to float substantially.Therefore, only in air outlet
50 set front pressuring plate 40 that can be effectively improved the phenomenon that wind up floats close to the one side of air outlet, and so also simplify air passage
Structure is conducive to cost-effective.
Further, leading edge is connected with the outside wall surface of inner ring 10, as shown in Figure 1, Figure 2, shown in Fig. 3, Figure 10, Figure 11 and Figure 12.
The leading edge of front pressuring plate 40 is connected with the outside wall surface of inner ring 10, then air passage is only in the exit shape close to air outlet one side
Into the air channel structure of abnormity, both so that the air-flow of the side is oriented to when flowing out air passage and drainage, and then from air-supply
Mouthful vertical export in place, ensure that floor standing air-conditioner can forward direction outlet air, in turn avoiding the position of front pressuring plate 40 irregularly causes air passage
Structure change is excessive to cause air-flow to get muddled or generate the harmful effects such as excessive windage.
Preferably, leading edge and the outside wall surface of inner ring 10 are smoothly connected, as shown in Fig. 1, Figure 10, Figure 11 and Figure 12.
The leading edge of front pressuring plate 40 is smoothly connected (i.e. arc-shaped transition is connected) with the outside wall surface of inner ring 10, can so improve whole
The structural continuity of a air passage in the axial direction avoids entire air passage change in size gradient is excessive vertically to cause gas-flow resistance excessive
The problem of, it realizes the kinetic energy rejection for reducing air-flow and reduces the purpose of pneumatic noise.
Preferably, trailing edge is concordant with air outlet 50, as shown in Fig. 1, Figure 10, Figure 11 and Figure 12.
The trailing edge of front pressuring plate 40 is concordant with the air outlet 50 in air passage, and air-flow can be made directly de- after front pressuring plate 40 is flowed through
From air passage, so as to which the turbulent flow reduced in the back pressure side of front pressuring plate 40 influences, the kinetic energy rejection of air-flow had not only been reduced further, but also into
One step reduces pneumatic noise.
Further, the longitudinal section of front pressuring plate 40 is cambered surface, and cambered surface is protruded to the axis direction close to air passage, such as Fig. 1, figure
10th, shown in Figure 11 and Figure 12.
The longitudinal section of front pressuring plate 40 is cambered surface, then the axial direction in the plate face of front pressuring plate 40 along air passage is also cambered surface, this is just
Front pressuring plate 40 is against in air-flow smoothly to flow；It is protruded due to cambered surface to the axis direction close to air passage, i.e.,：Along front pressuring plate 40
Leading edge is directed toward trailing edge, and the slope of the arcuate surface of front pressuring plate 40 is gradually reduced, in this way, air-flow along front pressuring plate 40 flow when, axis
It is gradually consumed to the component velocity in direction, and the component velocity of radial direction gradually increases, so as to optimize the guiding of front pressuring plate 40
Effect, smoothly turns to convenient for air-flow at air outlet, and then is exported along the direction of vertical ventilation mouth.
Further, blade 30 includes main body 31 and protrusion 32, as shown in Figure 1, main body 31 has the pressure in inner concavity
Power face and the suction surface in outer gibbosity, protrusion are connected with the rear end of main body 31, and are protruded to pressure surface side；Wherein, leading edge with
The front end flush of protrusion 32, as shown in Fig. 1, Figure 10, Figure 11 and Figure 12.
Blade 30 includes main body 31 and protrusion 32, and protrusion 32 is protruded to the pressure surface side of main body 31, can be in air passage
Air outlet 50 before form convergence structure, can realize gathering for air-flow, reduce wind loss；And make the leading edge of front pressuring plate 40 with
The front end flush of protrusion 32, then front pressuring plate 40 can be engaged with protrusion 32, while the flow direction of air-flow is corrected,
This is equivalent to shape of the air passage at air outlet 50 and only changes once, and the shape consecutive variations for avoiding air passage cause air-flow to damage
Lose excessive happen.
Further, front pressuring plate 40 is fixedly connected along the both ends that air passage circumferential direction is oppositely arranged with two blades 30, such as
Shown in Fig. 1, Figure 10, Figure 11 and Figure 12.
Front pressuring plate 40 is fixedly connected along the both ends that air passage circumferential direction is oppositely arranged with two blades 30, then front pressuring plate 40
Both ends are extended on two blades 30, and this avoids between the end of front pressuring plate 40 and blade 30 there is gap to cause gap
Happening for air turbulence is nearby generated, is sent out so as to avoid because adding situations such as front pressuring plate 40 causes air conditioner noise to increase
It is raw.
Preferably, projection of the front pressuring plate 40 on the cross section of air passage along the width of the radial direction in air passage in 5cm-12cm
In the range of.
Projection of the front pressuring plate 40 on the cross section of air passage is controlled along the width of the radial direction in air passage 5cm-12cm's
In the range of, it had both avoided that front pressuring plate 40 is narrow to cause wind effect is unconspicuous to happen, it is wide in turn avoid front pressuring plate 40
Fan outlet 50 is caused significantly to be blocked and seriously affect happening for axial flow blower outlet air.
Optionally, front pressuring plate 40 is an integral structure with body.
Front pressuring plate 40 is an integral structure with body, on the one hand improves the bonding strength of the two, and then improves air passage
Use reliability；On the other hand the two can be integrally formed, and then can improve production efficiency, shorten the production cycle；Meanwhile
It can also reduce by one of assembly process, thus also improve efficiency of assembling.
Optionally, front pressuring plate 40 and body are split structure.
Front pressuring plate 40 is split structure with body, i.e. front pressuring plate 40 and body separates separately formed, then by front pressuring plate
40 are installed to the corresponding position on body, which simplify the structure of front pressuring plate 40 and body, and then also simplify the mould of the two
Lamps structure, shaping easy to process, and convenient for the repair and replacement of front pressuring plate 40 and body.
The embodiment of the utility model second aspect provides a kind of axial flow blower (not shown), including：Such as first
The air passage of the axial flow blower of any one of aspect embodiment and wind wheel, in air passage.
The axial flow blower that the embodiment of the utility model second aspect provides, because including any one of first aspect embodiment
Air passage, thus with all advantageous effects possessed by any of the above-described embodiment, details are not described herein.
The embodiment of the utility model third aspect provides a kind of air conditioner (not shown), including：Body and such as
The axial flow blower of the embodiment of second aspect.
Specifically, body has air outlet；Axial flow blower is mounted in body, and the air passage of axial flow blower and air outlet phase
Connection, the axis in air passage is perpendicular to the axis of air outlet.
The air conditioner that the embodiment of the utility model third aspect provides, because including any one of second aspect embodiment
Axial flow blower, thus with all advantageous effects possessed by any of the above-described embodiment, details are not described herein.
In the above-described embodiments, air conditioner is axis stream cabinet-type air conditioner, is specially axis stream cylinder cabinet-type air conditioner.
In conclusion the air passage of axial flow blower provided by the utility model, by setting front pressuring plate at air outlet, utilizes
Front pressuring plate is pressed before the air passage stage is by outlet air, finally ensures front outlet air, the phenomenon that wind up floats does not occur, so as to improve
The outlet air comfort of air conditioner；And have the advantages of simple structure and easy realization, suitable for promoting.
In the utility model, term " first ", " second ", " the 3rd " are only used for the purpose of description, and it is not intended that
Instruction implies relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
The terms such as dress ", " connected ", " connection ", " fixation " should all be interpreted broadly, for example, " connection " can be fixedly connected, it can also
It is to be detachably connected or be integrally connected；" connected " can be directly connected, and can also be indirectly connected by intermediary.It is right
For those of ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing as the case may be
Justice.
In the description of the utility model, it is to be understood that the fingers such as term " on ", " under ", "left", "right", "front", "rear"
The orientation or position relationship shown be based on orientation shown in the drawings or position relationship, be for only for ease of description the utility model and
Simplify description rather than instruction or imply that signified device or unit there must be specific direction, with specific azimuth configuration
And operation, it is thus impossible to be interpreted as the limitation to the utility model.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that combining the particular features, structures, materials, or characteristics that the embodiment or example describe is contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiments or example
In combine in an appropriate manner.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modifications, equivalent replacements and improvements are made should be included within the scope of protection of this utility model.
Claims (13)
1. a kind of air passage of axial flow blower, for air conditioner, which is characterized in that including：
Body, including inner ring, tubular shell and multiple blades, the shell is set on the outside of the inner ring, multiple described
Blade is connected between the inner ring and the shell, and with the inner ring and the shell, and multiple blades and institute
It states inner ring and the shell is engaged and limits air outlet；
Front pressuring plate is arranged at the air outlet, and along the flow direction of air-flow, the front pressuring plate has leading edge and trailing edge,
The trailing edge tilts extension to the direction of the air outlet close to the air conditioner.
2. the air passage of axial flow blower according to claim 1, which is characterized in that
The front pressuring plate is arranged on the air outlet close to the one side of the air outlet.
3. the air passage of axial flow blower according to claim 2, which is characterized in that
The leading edge is connected with the outside wall surface of the inner ring.
4. the air passage of axial flow blower according to claim 3, which is characterized in that
The leading edge and the outside wall surface of the inner ring are smoothly connected.
5. the air passage of axial flow blower according to any one of claim 1 to 4, which is characterized in that
The trailing edge is concordant with the air outlet.
6. the air passage of axial flow blower according to any one of claim 1 to 4, which is characterized in that
The longitudinal section of the front pressuring plate is cambered surface, and the cambered surface is protruded to the axis direction close to the air passage.
7. the air passage of axial flow blower according to any one of claim 1 to 4, which is characterized in that
The blade includes main body and protrusion, and the main body has the pressure face in inner concavity and the suction surface in outer gibbosity,
The protrusion is connected with the rear end of the main body, and is protruded to the pressure surface side；
Wherein, the leading edge and the front end flush of the protrusion.
8. the air passage of axial flow blower according to any one of claim 1 to 4, which is characterized in that
The front pressuring plate is fixedly connected along the both ends that the air passage circumferential direction is oppositely arranged with two blades.
9. the air passage of axial flow blower according to any one of claim 1 to 4, which is characterized in that
Projection of the front pressuring plate on the air passage cross section is along the width of the radial direction in the air passage 5cm-12cm's
In the range of.
10. the air passage of axial flow blower according to any one of claim 1 to 4, which is characterized in that
The front pressuring plate is an integral structure with the body.
11. the air passage of axial flow blower according to any one of claim 1 to 4, which is characterized in that
The front pressuring plate is split structure with the body.
12. a kind of axial flow blower, which is characterized in that including：
The air passage of axial flow blower as any one of claim 1 to 11；With
Wind wheel, in the air passage.
13. a kind of air conditioner, which is characterized in that including：
Body, the body have air outlet；With
Axial flow blower as claimed in claim 12, in the body, and the air passage of the axial flow blower is sent with described
Air port is connected, and the axis in the air passage is perpendicular to the axis of the air outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721420554.2U CN207420973U (en) | 2017-10-30 | 2017-10-30 | Air conditioner, axial flow blower and its air passage |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654420A (en) * | 2017-10-30 | 2018-02-02 | 广东美的制冷设备有限公司 | Air conditioner, axial flow blower and its air channel |
| CN110873074A (en) * | 2018-08-31 | 2020-03-10 | 日立江森自控空调有限公司 | Wind-guiding circle and fan |
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2017
- 2017-10-30 CN CN201721420554.2U patent/CN207420973U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654420A (en) * | 2017-10-30 | 2018-02-02 | 广东美的制冷设备有限公司 | Air conditioner, axial flow blower and its air channel |
| CN107654420B (en) * | 2017-10-30 | 2024-04-09 | 广东美的制冷设备有限公司 | Air conditioner, axial flow fan and air duct thereof |
| CN110873074A (en) * | 2018-08-31 | 2020-03-10 | 日立江森自控空调有限公司 | Wind-guiding circle and fan |
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