CN210425469U - Air guide blade with noise reduction effect and air conditioning unit - Google Patents
Air guide blade with noise reduction effect and air conditioning unit Download PDFInfo
- Publication number
- CN210425469U CN210425469U CN201920948121.7U CN201920948121U CN210425469U CN 210425469 U CN210425469 U CN 210425469U CN 201920948121 U CN201920948121 U CN 201920948121U CN 210425469 U CN210425469 U CN 210425469U
- Authority
- CN
- China
- Prior art keywords
- deflection
- air guide
- air
- guide vane
- flow direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model provides a wind-guiding blade and air conditioning unit with noise reduction effect. The air guide blade comprises a body, the body comprises a fixing portion and a deflection portion, airflow sequentially passes through the fixing portion and the deflection portion, and flows through the airflow of the fixing portion has a first flowing direction, flows through the airflow of the deflection portion has a second flowing direction, and the deflection portion has a first position and a second position, wherein the first flowing direction is the same as the second flowing direction, and the second flowing direction has an included angle. The utility model provides a wind-guiding blade and air conditioning unit with noise reduction effect makes deflection portion deflect according to the air current data that fixed part department detected, effectively avoids the air current to produce the problem of fluid separation behind wind-guiding blade to effectively reduce the noise that the aviation baffle produced because of the separation that flows, and have bigger work attack angle scope, increase wind-guiding blade's aerodynamic performance.
Description
Technical Field
The utility model relates to a wind-guiding structure technical field, especially a wind-guiding blade and air conditioning unit with noise reduction effect.
Background
The air guide blade of the air conditioner usually comprises a main body part and two parts of a fixing part connected with the main body part, the section shape of the blade is mostly quadrangular or polygonal, the aerodynamic performance is poor, especially, the airflow resistance is large under a large attack angle, and the flow separation is easily caused, so that the noise is large, and the performance of the whole air conditioner is directly influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem of excessive noise caused by flow separation of air flow, the air guide blade and the air conditioning unit with the noise reduction effect are provided, wherein the deflection angle of the deflection part is changed to avoid flow separation.
The utility model provides an air guide blade, includes the body, the body includes fixed part and deflection portion, and the air current passes through in proper order the fixed part with deflection portion, and flow through the air current of fixed part has first flow direction, flows through the air current of deflection portion has second flow direction, just deflection portion has the messenger first flow direction with the same first position of second flow direction with make first flow direction with the second flow direction has the second position of contained angle.
The air guide blade further comprises an actuator, the actuator is arranged at the joint of the deflection part and the fixing part, and the deflection part is switched between the first position and the second position.
The air guide blade further comprises an induction mechanism, the induction mechanism is arranged on the fixed portion, and the induction mechanism is electrically connected with the actuator.
The induction mechanism is a wind speed inductor.
The wind speed sensor detects the wind speed and the airflow attack angle passing through the body, and the actuator adjusts the deflection part according to the wind speed and the airflow attack angle.
The sensing mechanism is arranged at one end of the fixing part far away from the deflection part.
The deflection portion is made of a flexible material.
And when the second position is in the second position, the cross section of the deflection part is arc-shaped, and the included angle between the second flow direction and the first flow direction is gradually increased.
The body has an airfoil-shaped cross-section when the deflector is in the first position.
And the angle of attack of the airfoil is in the range-5 to 5.
The wing shape is provided with an axis, a first point is formed on the axis at the joint of the fixing part and the deflection part, a second point is formed on the axis at one end of the deflection part, which is far away from the fixing part, and the included angle between the connecting line of the first point and the second point and the axis is-10 degrees to 5 degrees at the second position.
The ratio of the size of the fixing portion to the size of the deflection portion in the axial direction ranges from 2:1 to 9: 1.
And when the second position is adopted, the connecting part of the fixed part and the deflection part is in smooth transition.
An air conditioner comprises the air guide blade.
The control method of the wind guide blade comprises the following steps:
s1, acquiring the wind speed at the body and the angle of attack of the airflow generated at the end part of the fixing part;
s2, matching the wind speed and the attack angle obtained in the step S1 with preset data to obtain a preset position of the deflection part;
and S3, adjusting the deflection part to enable the second position of the deflection part to be overlapped with the preset position.
The air guide blade is provided in the air conditioner, and further includes, before step S1: and adjusting the angle of the air guide blade relative to the air outlet of the air conditioner.
The utility model provides a wind-guiding blade and air conditioning unit with noise reduction effect makes deflection portion deflect according to the air current data that fixed part department detected, effectively avoids the air current to produce the problem of fluid separation behind wind-guiding blade to effectively reduce the noise that the aviation baffle produced because of the separation that flows, and have bigger work attack angle scope, increase wind-guiding blade's aerodynamic performance.
Drawings
Fig. 1 is a schematic structural view of an air guide blade and an air guide blade of an embodiment of an air conditioning unit according to the present invention;
fig. 2 is a schematic structural diagram of a first position and a second position of a deflection portion in an air guide blade according to an embodiment of the air guide blade and the air conditioning unit with a noise reduction effect provided by the present invention;
fig. 3 is a cross-sectional view of the air guide blade and the air guide blade of the embodiment of the air conditioning unit provided by the present invention;
in the figure:
1. a body; 11. a fixed part; 12. a deflection unit; 2. an actuator.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The wind-guiding blade shown in fig. 1 to 3 includes a body 1, the body 1 includes a fixing portion 11 and a deflecting portion 12, an air flow sequentially passes through the fixing portion 11 and the deflecting portion 12, the air flow passing through the fixing portion 11 has a first flow direction, the air flow passing through the deflecting portion 12 has a second flow direction, the deflecting portion 12 has a first position where the first flow direction and the second flow direction are the same and a second position where the first flow direction and the second flow direction have an included angle, the body 1 includes a windward end and a tail end, one end of the fixing portion 11 away from the deflecting portion 12 forms the windward end, one end of the deflecting portion 12 away from the fixing portion 11 forms the tail end, the air flow flows from the windward end to the tail end when passing through the body 1, so that the body 1 performs a wind-guiding operation, when the deflecting portion 12 is in the first position, the direction of the air flow is not changed when the air flow flows through the body 1, the air flow is guided only by using the deflection angle of the body 1, and when the deflection part 12 is at the second position, the direction of the air flow is changed when the air flow flows through the body 1, so that the problem of excessive noise caused by fluid separation of the air flow at the end part of the body 1 is effectively avoided, wherein a solid line in fig. 2 is a schematic diagram of the deflection part at the first position, and a dotted line is a schematic diagram of the deflection part at the second position.
The air guide blade further comprises an actuator 2, the actuator 2 is arranged at the joint of the deflection part 12 and the fixing part 11, the deflection part 12 is enabled to be switched between the first position and the second position, the actuator 2 exerts control force on a control object according to a determined control rule, and when the position of the deflection part 12 is switched, the actuator 2 provides excitation for the deflection part 12, so that the deflection part 12 is bent or rotated relative to the fixing part 11, and switching between the first position and the second position is achieved.
The wind guide blade further comprises an induction mechanism, the induction mechanism is arranged on the fixing portion 11 and electrically connected with the actuator 2, the induction mechanism is used for inducing parameters of air flow passing through the body 1, and the parameters comprise air flow velocity, air flow direction and the like.
The induction mechanism is a wind speed inductor.
The sensing mechanism is arranged at one end of the fixing part 11 far away from the deflection part 12, wherein the sensing mechanism is arranged at the end part of the fixing part 11 far away from the deflection part 12, and directly senses the parameters of the air flow just contacting the body 1, so that the deflection part 12 is accurately adjusted.
The deflection part 12 is made of flexible material, and the cross section of the deflection part 12 is arc-shaped in the second position, wherein the cross section is a plane along the airflow flowing direction, and the included angle between the second flowing direction and the first flowing direction is gradually increased, that is, the actuator 2 applies excitation in a certain direction to the end part of the deflection part 12 far away from the fixing part 11, so that the whole deflection part 12 is bent relative to the fixing part 11, and smooth transition is generated at the joint of the deflection part 12 and the fixing part 11, and arc-shaped deformation is generated due to the flexible relation of the deflection part 12, so that when the airflow enters the deflection part 12 from the fixing part 11 and flows at the deflection part 12, noise and aerodynamic loss generated by air resistance of the body 1 are reduced.
When the deflection part 12 is at the first position, the cross section of the body 1 is an airfoil shape, wherein the cross section is a plane along the airflow flowing direction, and the angle of attack of the airfoil shape ranges from-5 ° to 5 °, the airfoil shape is a cross section of an airfoil, namely, the size of the fixing part 11 gradually increases from 0 from the end part of the fixing part 11 far away from the deflection part 12, and the size of the fixing part 11 gradually decreases when increasing to a certain extent, and the size of the deflection part 12 decreases with the decrease of the size of the fixing part 11, and the size of the end part of the deflection part 12 far away from the fixing part 11 decreases to 0, so as to form an airfoil shape, and the angle of attack is an included angle between the axis of the airfoil shape and the airflow direction, wherein the angle of attack is defined by taking the airflow direction as the X axis, and when the angle of attack is a positive value, the body 1 is on the clockwise side of the airflow direction, when the angle of attack is negative, the body 1 is on the counterclockwise side of the direction of the airflow.
The wing shape has an axis, a first point is formed on the axis at the joint of the fixing portion 11 and the deflection portion 12, a second point is formed on the axis at one end of the deflection portion 12 far away from the fixing portion 11, in the second position, an included angle α between a connecting line of the first point and the second point and the axis is in a range of-10 ° to 5 °, that is, when the deflection portion 12 is in a flat plate shape, an included angle between a plane where the deflection portion 12 is located and the axis is in a range of-10 ° to 5 °, and when the cross section of the deflection portion 12 is an arc shape, an included angle between a chord corresponding to the arc shape and the axis is in a range of-10 ° to 5 °, wherein positive and negative in the angle range are obtained by rotating with the axis as an X axis, when clockwise rotation is performed, the angle is positive, and when counterclockwise rotation is performed.
The ratio of the size of the fixing portion 11 to the size of the deflecting portion 12 in the axial direction ranges from 2:1 to 9:1, wherein the position of the actuator 2 is adjusted according to the size of the deflecting portion 12.
In the second position, the joint of the fixed part 11 and the deflection part 12 is smoothly transited, so that the wind resistance is reduced to the maximum extent.
The deflection portion is a Deformable Trailing Edge Flap (DTEF) to effect deflection.
An air conditioner comprises the air guide blade.
The control method of the wind guide blade comprises the following steps:
s1, acquiring the wind speed at the body 1 and the angle of attack of the airflow generated at the end part of the fixing part 11;
s2, matching the wind speed and the attack angle obtained in the step S1 with preset data to obtain a preset position of the deflection part 12;
s3, adjusting the deflection unit 12 so that the second position of the deflection unit 12 coincides with the predetermined position.
The air guide blade is provided in the air conditioner, and further includes, before step S1: the angle of the air guide blade relative to the air outlet of the air conditioner is adjusted, the rotation angle of the body 1 is preferentially adjusted according to actual needs, and then the deflection part 12 is adjusted according to data detected at the body 1.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (13)
1. An air guide blade is characterized in that: including body (1), body (1) includes fixed part (11) and deflection portion (12), and the air current passes through in proper order fixed part (11) with deflection portion (12), and flow through the air current of fixed part (11) has first flow direction, flows through the air current of deflection portion (12) has the second flow direction, just deflection portion (12) have the messenger first flow direction with the same first position of second flow direction with make first flow direction with the second flow direction has the second position of contained angle.
2. The air guide vane according to claim 1, wherein: the wind guide blade further comprises an actuator (2), wherein the actuator (2) is arranged at the joint of the deflection part (12) and the fixing part (11), and the deflection part (12) is switched between the first position and the second position.
3. The air guide vane according to claim 2, wherein: the air guide blade further comprises an induction mechanism, the induction mechanism is arranged on the fixing portion (11), and the induction mechanism is connected with the actuator (2).
4. The air guide vane according to claim 3, wherein: the induction mechanism is a wind speed inductor.
5. The air guide vane as claimed in claim 4, wherein: the wind speed sensor detects the wind speed and the airflow attack angle passing through the body (1), and the actuator (2) adjusts the deflection part (12) according to the wind speed and the airflow attack angle.
6. The air guide vane according to claim 3, wherein: the sensing mechanism is arranged at one end of the fixing part (11) far away from the deflection part (12).
7. The air guide vane according to claim 1, wherein: the deflection portion (12) is made of a flexible material.
8. The air guide vane according to claim 1, wherein: in the second position, the cross section of the deflection part (12) is arc-shaped, and the included angle between the second flow direction and the first flow direction is gradually increased.
9. The air guide vane according to claim 1, wherein: the cross-section of the body (1) is wing-shaped when the deflector (12) is in the first position.
10. The air guide vane as claimed in claim 9, wherein: the angle of attack of the airfoil is in the range-5 to 5.
11. The air guide vane as claimed in claim 9, wherein: the wing shape has an axis, the connection of the fixed part (11) and the deflection part (12) forms a first point on the axis, the end of the deflection part (12) remote from the fixed part (11) forms a second point on the axis, and in the second position, the angle between the line connecting the first point and the second point and the axis is in the range of-10 degrees to 5 degrees.
12. The air guide vane as claimed in claim 11, wherein: the ratio of the dimension of the fixing portion (11) to the dimension of the deflecting portion (12) in the axial direction ranges from 2:1 to 9: 1.
13. An air conditioning unit, its characterized in that: comprising the air guide blade as claimed in any one of claims 1 to 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920948121.7U CN210425469U (en) | 2019-06-21 | 2019-06-21 | Air guide blade with noise reduction effect and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920948121.7U CN210425469U (en) | 2019-06-21 | 2019-06-21 | Air guide blade with noise reduction effect and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210425469U true CN210425469U (en) | 2020-04-28 |
Family
ID=70376499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920948121.7U Active CN210425469U (en) | 2019-06-21 | 2019-06-21 | Air guide blade with noise reduction effect and air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210425469U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296525A (en) * | 2019-06-21 | 2019-10-01 | 珠海格力电器股份有限公司 | With the wind blade and its control method, air-conditioner set for reducing noise result |
-
2019
- 2019-06-21 CN CN201920948121.7U patent/CN210425469U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110296525A (en) * | 2019-06-21 | 2019-10-01 | 珠海格力电器股份有限公司 | With the wind blade and its control method, air-conditioner set for reducing noise result |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110296525A (en) | With the wind blade and its control method, air-conditioner set for reducing noise result | |
| US11506211B2 (en) | Counter-rotating fan | |
| CN102414440B (en) | Wind turbine providing increased power output | |
| EP1314885B1 (en) | Flexible serrated trailing edge for wind turbine rotor blade | |
| US10087912B2 (en) | Vortex generator for a rotor blade | |
| EP2997263B1 (en) | Axial fan | |
| KR20070063610A (en) | Rotor blade for a wind power plant | |
| JP6875412B2 (en) | Low noise and high efficiency blades for axial fans and rotors and axial fans or rotors with those blades | |
| CN210425469U (en) | Air guide blade with noise reduction effect and air conditioning unit | |
| US8215916B2 (en) | Axial flow fan | |
| CN207064139U (en) | Wind generator set blade | |
| CN109989876B (en) | Blade and wind generating set comprising same | |
| EP3553320A1 (en) | Propeller fan | |
| CN210484191U (en) | Axial flow fan blade structure capable of reducing blade tip vortex noise | |
| CN209905055U (en) | Rotor oar and unmanned aerial vehicle | |
| CN209012125U (en) | Axial-flow windwheel and warm-air drier | |
| CN210686426U (en) | Axial flow wind wheel and air conditioner with same | |
| CN220505393U (en) | Axial flow wind wheel, air conditioner external unit and air conditioner | |
| CN111043081A (en) | Axial fan and application thereof in remote mist sprayer | |
| CN216381979U (en) | Fan assembly for loader | |
| CN111780240A (en) | Air deflector and air conditioner | |
| CN212615575U (en) | Axial flow wind wheel capable of positive and negative air outlet | |
| CN103062138A (en) | Flow separation control device | |
| CN218882589U (en) | Centrifugal fan blade and air conditioner | |
| CN211573863U (en) | Axial flow fan blade, air interchanger and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |