CN207539093U - Volute tongue structure, ducting system and air conditioner indoor unit - Google Patents
Volute tongue structure, ducting system and air conditioner indoor unit Download PDFInfo
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- CN207539093U CN207539093U CN201721684514.9U CN201721684514U CN207539093U CN 207539093 U CN207539093 U CN 207539093U CN 201721684514 U CN201721684514 U CN 201721684514U CN 207539093 U CN207539093 U CN 207539093U
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- volute tongue
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Abstract
The utility model proposes a kind of volute tongue structure, ducting system and air conditioner indoor unit, wherein described volute tongue structure includes volute tongue ontology, windward side and wind-guiding side are formed on the volute tongue ontology, corresponding to being provided with the stressed member that can form different stress surfaces on the volute tongue ontology of the windward side；In gas shock to the stressed member, under the action of different stress surfaces, the smooth stream pressure distribution of dispersion, to reduce the noise of air-flow generation；The ducting system and the air conditioner indoor unit are respectively provided with above-mentioned volute tongue structure.The utility model sets different stress surfaces on volute tongue windward side, so as to disperse stress, is greatly reduced the noise generated during fan running, and easy processing simple in structure, has saved processing cost.
Description
Technical field
The utility model belongs to volute tongue field more particularly to a kind of volute tongue of air conditioner indoor unit.
Background technology
At present, the ducting system of air conditioner indoor unit is made of pedestal, axial-flow fan and volute tongue.When axial-flow fan operates,
The gas shock that fan drives is to volute tongue top, and flow velocity is very fast, pressure is larger, and a part of air-flow is from the wind-guiding leading side wind of volute tongue
Road is blown out, and a part of air-flow is returned to from the windward side of volute tongue on the inside of air duct, and returns to irregular gas inside air duct by windward side
Stream, can disturb the operating of axial-flow fan, make axial-flow fan galloping, so as to generate jiggly pneumatic noise.Such as volute tongue
If distance is excessive between fan, return air increase is be easy to cause under the fan slow-speed of revolution, leads to wind-guiding side flow loss；Such as volute tongue
Distance is too small between fan, then the eddy current crack that air-flow generates then can significantly increase, so needing the design for trying to optimize volute tongue
Scheme.
A kind of assembled guide vane vortex tongue structure of centrifugal fan is disclosed in Chinese utility model patent CN 101307778A,
Vortex tongue is assisted using multiple guide vanes in front of the vortex tongue, distance of the guide vane apart from impeller center is cumulative, and the guide vane of front, which plays, leads
It flows and cuts wind action, guide vane wind cutting amount below is small, each guide vane lower end line and 10 degree to 15 degree angles of horizontal plane updip.
Though in above-mentioned existing patent, the noise generated during fan running is suitably reduced, but it is needed before vortex tongue
Side sets individual guide vane to be assisted, and more stringent to the setting angle requirement of guide vane, so as to increase difficulty of processing, carries
High complete machine cost.
Invention content
To solve the above-mentioned problems, the utility model provides a kind of volute tongue structure, ducting system and air conditioner indoor unit,
The utility model sets different stress surfaces on volute tongue windward side, so as to disperse stress, is greatly reduced fan running
When the noise that generates, and easy processing simple in structure saved processing cost.
In order to achieve the above object, the technical solution adopted in the utility model is：
A kind of volute tongue structure including volute tongue ontology, is formed with windward side and wind-guiding side, corresponds on the volute tongue ontology
The stressed member for being formed with different stress surfaces is provided on the volute tongue ontology of the windward side.
As advanced optimizing for the utility model, the stressed member is formed as one in the wave on the volute tongue ontology
Type Asperity model, the protrusion of the undaform Asperity model are divided into multiple stress surfaces that the stressed member is formed.
As advanced optimizing for the utility model, the stress surface vertical height of the multiple protrusions formed on the stressed member
It is identical.
As advanced optimizing for the utility model, the undaform of the stressed member is sinusoidal waveform.
As advanced optimizing for the utility model, the stress surface vertical height of the multiple protrusions formed on the stressed member
It is different.
A kind of ducting system of air conditioner indoor unit, including the volute tongue structure described in any of the above-described kind of embodiment.
As advanced optimizing for the utility model, including pedestal and the fan being installed on the pedestal, the wind
The air outlet side of fan is provided with the volute tongue structure, and fan described in the windward side face of the volute tongue structure is set.
As advanced optimizing for the utility model, the fan is axial-flow fan, and the stressed member is parallel to described pass through
The axial setting of flow fan.
A kind of air conditioner indoor unit including ontology, is provided with the ducting system described in any embodiment in the ontology.
As advanced optimizing for the utility model, the ontology is wall-hanging.
Compared with prior art, it is the advantages of the utility model with good effect：
1st, the volute tongue structure of the utility model, multiple stress surfaces can be formed by being provided on the windward side of volute tongue ontology
Stressed member when the air-flow that fan drives is returned to from windward side on the inside of air duct, has disperseed stress, has had adjusted air-flow, so as to make gas
Flowing pressure is steady, and pulsation reduces, and then is greatly reduced the noise generated during fan running, moreover, being set on the windward side
Stressed member, easy processing simple in structure, so as to greatly having saved processing cost；
2nd, the air conditioner indoor unit ducting system of the utility model, the volute tongue structure setting used has stressed member, to air-flow
It is adjusted, so as to reduce disturbance of the irregular air-flow to axial-flow fan, makes axial-flow fan smooth running, reduce gas
The noise of stream.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the front view of the utility model volute tongue structure；
Fig. 2 is the vertical view of the utility model volute tongue structure；
Fig. 3 is the left view of the utility model volute tongue structure；
Fig. 4 is the schematic diagram of the utility model air conditioner indoor unit ducting system.
In above each figure：1st, volute tongue ontology；2nd, windward side；21st, stressed member；3rd, wind-guiding side；4th, fan；5th, air outlet；6、
Pedestal.
Specific embodiment
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case of being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it is to be appreciated that term " " center ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instructions such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on attached drawing institutes
The orientation or position relationship shown is for only for ease of description the utility model and simplifies description rather than instruction or imply signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this practicality
Novel limitation.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；It can be directly connected, can also be indirectly connected by intermediary, can be the connection inside two elements.For
For those of ordinary skill in the art, concrete meaning of the above-mentioned term in the utility model can be understood with concrete condition.
Referring to Fig. 1, the utility model provides a kind of volute tongue structure, which includes volute tongue ontology 1, described
Windward side 2 and wind-guiding side 3 are formed on volute tongue ontology 1, corresponding to being provided on the volute tongue ontology 1 of the windward side 2
It is formed with the stressed member 21 of different stress surfaces；In gas shock to the stressed member 21, under the action of different stress surfaces, dispersion
And the smooth distribution of stream pressure, to reduce the noise of air-flow generation.
The said program of the utility model can form multiple stress surfaces by being provided on the windward side of volute tongue ontology
Stressed member when the air-flow that fan drives is returned to from windward side on the inside of air duct, has disperseed the stress of air-flow, has been had adjusted so as to play
The effect of air-flow, and then make stream pressure steady, pulsation reduces, and is greatly reduced the noise generated during fan running, moreover,
The stressed member set on the windward side, easy processing simple in structure, so as to greatly save processing cost.
With continued reference to Fig. 1, in above-mentioned, the stressed member 21 is formed as one recessed in the undaform on the volute tongue ontology 1
Convex body, the protrusion of the undaform Asperity model are divided into multiple stress surfaces that the stressed member 21 is formed.In addition, the stress
Its face vertical height of the stress of multiple protrusions formed on part 21 is identical.The stress surface of equal height can be such that air-flow slows down successively,
Large impact suddenly will not be caused, so as to generate loud noise.As a preferred embodiment, under this kind of embodiment, the stressed member
21 undaform is sinusoidal waveform.
In addition, the stress surface vertical height of the multiple protrusions formed on stressed member 21 described above also can be different, and at this
Preferred under embodiment, for vertical height from the direction inside fan outlet to air duct, vertical height is incremented by successively, in this way
Can make it is distinguished and admirable be gradually reduced, avoid distinguished and admirable impact.
Whether the height of protrusion part is identical in above-mentioned undaform Asperity model can difference leaf according to fan and established angle
Or evaporator load difference and specifically select, do not limit specifically herein.
As shown in Fig. 2, additionally providing a kind of ducting system in the utility model, which includes any of the above-described kind of reality
Apply the volute tongue structure described in example.
Specifically, the ducting system includes pedestal 6 and the fan 4 being installed on the pedestal 6, the fan 4 are preferably
Axial-flow fan, 5 side of air outlet of the fan 4 are provided with the volute tongue structure, described in 2 face of windward side of the volute tongue structure
Fan 4 is set, and the stressed member 21 is parallel to the axial setting of the axial-flow fan.
Further, the utility model additionally provides a kind of air conditioner indoor unit, the air conditioner indoor unit include ontology, described
It is provided with the ducting system described in any embodiment in vivo.In addition, it is furthermore preferred that the ontology is wall-hanging.It is i.e. described
Air conditioner indoor unit is wall-hanging indoor unit.
The utility model in the windward side of volute tongue structure by being provided with the stressed member with multiple stress surfaces, when fan
When air-flow passes through windward side, the stress surface of air-flow is disperseed, so as to reduce the noise in air duct, has improved sound quality, have simultaneously
The effect for keeping air quantity constant or improving air quantity.
The above, only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, in the technical scope that any one skilled in the art discloses in the utility model, variation can be readily occurred in
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be with the power
Subject to the protection domain of profit requirement.
Claims (10)
1. a kind of volute tongue structure, including volute tongue ontology, it is characterised in that：Windward side and wind-guiding are formed on the volute tongue ontology
Side, corresponding to being provided with the stressed member that is formed with different stress surfaces on the volute tongue ontology of the windward side.
2. volute tongue structure according to claim 1, it is characterised in that：The stressed member is formed as one in the volute tongue ontology
On undaform Asperity model, the protrusion of the undaform Asperity model is divided into multiple stress surfaces that the stressed member is formed.
3. volute tongue structure according to claim 2, it is characterised in that：The stress surface of multiple protrusions formed on the stressed member
Vertical height is identical.
4. the volute tongue structure according to Claims 2 or 3, it is characterised in that：The undaform of the stressed member is sinusoidal waveform.
5. volute tongue structure according to claim 2, it is characterised in that：The stress surface of multiple protrusions formed on the stressed member
Vertical height is different.
6. a kind of ducting system, it is characterised in that：Including the volute tongue structure described in any one of claim 1-5.
7. ducting system according to claim 6, it is characterised in that：Including pedestal and the wind being installed on the pedestal
Fan, the air outlet side of the fan are provided with the volute tongue structure, and fan described in the windward side face of the volute tongue structure is set.
8. ducting system according to claim 7, it is characterised in that：The fan is axial-flow fan, and the stressed member is parallel
It is set in the axial direction of axial-flow fan.
9. a kind of air conditioner indoor unit, including ontology, it is characterised in that：Any one of claim 6-8 is provided in the ontology
The ducting system.
10. air conditioner indoor unit according to claim 9, it is characterised in that：The ontology is wall-hanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721684514.9U CN207539093U (en) | 2017-12-06 | 2017-12-06 | Volute tongue structure, ducting system and air conditioner indoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721684514.9U CN207539093U (en) | 2017-12-06 | 2017-12-06 | Volute tongue structure, ducting system and air conditioner indoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207539093U true CN207539093U (en) | 2018-06-26 |
Family
ID=62617305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721684514.9U Active CN207539093U (en) | 2017-12-06 | 2017-12-06 | Volute tongue structure, ducting system and air conditioner indoor unit |
Country Status (1)
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|---|---|
| CN (1) | CN207539093U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956747A (en) * | 2017-12-06 | 2018-04-24 | 海信（广东）空调有限公司 | Volute tongue structure, ducting system and indoor apparatus of air conditioner |
-
2017
- 2017-12-06 CN CN201721684514.9U patent/CN207539093U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956747A (en) * | 2017-12-06 | 2018-04-24 | 海信（广东）空调有限公司 | Volute tongue structure, ducting system and indoor apparatus of air conditioner |
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