CN215927907U

CN215927907U - Wind-guiding blade and air conditioner

Info

Publication number: CN215927907U
Application number: CN202122010007.XU
Authority: CN
Inventors: 谭志凯; 姜丽蓉
Original assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Current assignee: Aux Air Conditioning Co Ltd; Ningbo Aux Electric Co Ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-01
Anticipated expiration: 2031-08-24

Abstract

The utility model discloses an air guide blade and an air conditioner, and relates to the technical field of air conditioners. The wind-guiding blade comprises a hub and a blade body. Wheel hub and blade body fixed connection, the blade body is provided with leading edge and trailing edge relatively, and the trailing edge includes root section and sunken section, and the one end and the wheel hub of root section are connected, and the other end is connected with sunken section, and sunken section is sunken to be set up towards the direction that is close to the leading edge, and forms a sunken mouth, and the ratio scope of root section radial ascending projection length of wheel hub and blade body radial ascending projection length of wheel hub is 0.5 to 0.81. Compared with the prior art, the wind guide blade provided by the utility model adopts the concave section connected with the root section and the concave opening formed by the concave section, so that the wind outlet stability is ensured, the weight of the wind guide blade is reduced, the light weight of the wind guide blade is realized, the energy consumption and the material cost are reduced, and the wind outlet quantity is increased.

Description

Wind-guiding blade and air conditioner

Technical Field

The utility model relates to the technical field of air conditioners, in particular to an air guide blade and an air conditioner.

Background

At present, in the application of an air conditioner external unit, generally, an air outlet airflow is generated in a mode that a driving motor drives an air guide blade to rotate so as to carry out air cooling heat exchange on a condenser and discharge the heat of the condenser to the outside. However, the existing air guide blades are heavy, so that the energy consumption of an air conditioner external unit is high, air flow generated by rotation of the air guide blades is relatively disordered, and the air outlet quantity is relatively small.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem of how to reduce the weight of the air guide blades while ensuring the air outlet stability, realize the light weight of the air guide blades, reduce the energy consumption and the material cost and improve the air outlet quantity.

In order to solve the above problems, the technical solution of the present invention is realized as follows:

in a first aspect, the utility model provides an air guide blade, which comprises a hub and a blade body, wherein the hub is fixedly connected with the blade body, the blade body is oppositely provided with a front edge and a tail edge, the tail edge comprises a root section and a recessed section, one end of the root section is connected with the hub, the other end of the root section is connected with the recessed section, the recessed section is recessed towards the direction close to the front edge and forms a recessed port, and the ratio of the projection length of the root section in the radial direction of the hub to the projection length of the blade body in the radial direction of the hub ranges from 0.5 to 0.81. Compared with the prior art, the wind guide blade provided by the utility model adopts the concave section connected with the root section and the concave opening formed by the concave section, so that the wind outlet stability is ensured, the weight of the wind guide blade is reduced, the light weight of the wind guide blade is realized, the energy consumption and the material cost are reduced, and the wind outlet quantity is increased.

Further, the ratio of the projection length of the root section in the hub radial direction to the projection length of the blade body in the hub radial direction is 0.65. Reasonable root section and blade body can make the position of sunken mouthful be close to the outer fringe more under the condition of guaranteeing air-out stability at the ratio of the radial ascending projection length of wheel hub to be convenient for enlarge the area of sunken mouthful, further alleviate wind guide blade's weight.

Further, sunken section includes first limit section and second limit section, and the one end and the root section of first limit section are connected, and the other end is connected with second limit section, and first limit section is with second limit section and predetermines the contained angle setting, and the cave mouth sets up between first limit section and second limit section. The air guide blade is used for guiding air flow to pass through in the rotating process of the air guide blade, so that the influence on the air flow is avoided as much as possible while the weight of the air guide blade is reduced.

Further, the preset included angle ranges from 35 degrees to 55 degrees. Reasonable preset included angle can increase the area of the sunken opening under the condition of guaranteeing the air-out stability to lighten the weight of the air guide blade and realize the light weight of the air guide blade.

Further, the preset included angle is 45 degrees.

Further, the junction of the first edge section and the root section is rounded. So as to improve the safety, avoid cutting assembly personnel and improve the stability of air flow.

Further, a plurality of first recesses have been seted up to the blade body, and first recess is close to the trailing edge setting, and first recess is circular. The problem of vortex concentration on the blade body is solved.

Further, a plurality of second recesses have been seted up to the blade body, and the second recess is close to the leading edge setting, and the cell wall between a plurality of second recesses is the vein form and distributes on the blade body. The air flow is guided to flow from the front edge of the blade body to the tail edge of the blade body better, and is sent to the next blade body, so that the function of rectifying the air flow is realized, and the noise generated by the blade body in the rotating process is reduced.

Furthermore, the blade body is oppositely provided with an inner edge and an outer edge, the inner edge is fixedly connected with the hub, and the outer edge is provided with a folded edge. The hem can improve the intensity of outer fringe to improve the intensity of whole blade, prevent that the blade from taking place to warp or bending, and the hem can also carry out the current-limiting to the air-out air current, prevent the outside loss of air-out air current, guarantee the air output.

In a second aspect, the utility model provides an air conditioner, which includes the above air guide blade, where the air guide blade includes a hub and a blade body, the hub is fixedly connected with the blade body, the blade body is oppositely provided with a front edge and a tail edge, the tail edge includes a root section and a recessed section, one end of the root section is connected with the hub, the other end is connected with the recessed section, the recessed section is recessed toward a direction close to the front edge and forms a recessed port, and a ratio range of a projection length of the root section in a hub radial direction to a projection length of the blade body in the hub radial direction is 0.5 to 0.81. The air conditioner can reduce the weight of the air guide blades while ensuring the stability of air outlet, realize the light weight of the air guide blades, reduce the energy consumption and the material cost, and improve the air outlet quantity.

Drawings

Fig. 1 is an axial side view of an air guide blade according to a first embodiment of the present invention;

fig. 2 is a left side view of the wind guide blade according to the first embodiment of the present invention;

fig. 3 is a plan view of an air guide blade according to a first embodiment of the present invention;

fig. 4 is a schematic structural view of a blade body in an air guide blade according to a first embodiment of the present invention;

fig. 5 is a mathematical model diagram of the wind guide blade according to the first embodiment of the present invention.

Description of reference numerals:

100-wind guide blades; 110-a hub; 120-a blade body; 121-leading edge; 122-trailing edge; 123-inner edge; 124-outer edge; 125-root section; 126-a recessed section; 1261-first side segment; 1262-second side segment; 127-a recessed port; 128-a first groove; 129-a second groove; 130-flanging.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

First embodiment

Referring to fig. 1 and fig. 2, an embodiment of the present invention provides an air guiding blade 100 for driving air to flow. The air guide vane 100 has the advantages that the weight of the air guide vane 100 can be reduced while the air outlet stability is ensured, the light weight of the air guide vane 100 is realized, the energy consumption and the material cost are reduced, and the air outlet quantity is increased.

It should be noted that the air guide vane 100 is applied to an air conditioner external unit (not shown) which is installed outdoors and connected with an air conditioner internal unit (not shown), and the air conditioner external unit and the air conditioner internal unit act together to realize a function of regulating and controlling indoor air temperature. The outdoor unit includes a condenser (not shown), a driving motor (not shown), and a casing (not shown), wherein the condenser, the driving motor, and the air guide vane 100 are installed in the casing. The driving motor is connected to the air guiding vane 100 to drive the air guiding vane 100 to rotate. The position of the air guide blade 100 corresponds to the position of a condenser, and the condenser is used for exchanging heat with a refrigerant. The air guide vanes 100 can form negative pressure in the rotating process to drive air to flow to form air outlet airflow, and the air outlet airflow is used for carrying out air cooling on the condenser to take away heat of the condenser, so that normal operation of the condenser is guaranteed.

The air guide blade 100 includes a hub 110 and a blade body 120. Hub 110 is cylindric, and hub 110 and blade body 120 fixed connection just set up on hub 110 global, and hub 110 can drive blade body 120 and rotate to drive the air flow. Hub 110 is used for being connected with driving motor, and driving motor can drive blade body 120 through hub 110 and rotate.

In this embodiment, the number of blade bodies 120 is three, and three blade bodies 120 are arranged on the circumferential surface of hub 110 in an annular array, and hub 110 can drive three blade bodies 120 to rotate simultaneously, so that the air flows to form the air outlet flow. However, the number of the blade bodies 120 is not limited to four, and in other embodiments, the number of the blade bodies 120 may be four or five, and the number of the blade bodies 120 is not particularly limited.

Referring to fig. 3, it should be noted that the blade body 120 is provided with a front edge 121, a rear edge 122, an inner edge 123 and an outer edge 124, wherein the front edge 121 and the rear edge 122 are disposed oppositely, the inner edge 123 and the outer edge 124 are disposed oppositely, and the front edge 121, the outer edge 124, the rear edge 122 and the inner edge 123 are connected end to jointly enclose the contour shape of the blade body 120. Specifically, the inner edge 123 is a side of the blade body 120 connected to the hub 110, the outer edge 124 is a side of the blade body 120 away from the hub 110, the leading edge 121 is a side of the blade body 120 facing the wind during rotation, and the trailing edge 122 is a side of the blade body 120 facing the wind during rotation.

Referring to fig. 4 and 5 in combination, the trailing edge 122 includes a root section 125 and a recessed section 126. Root section 125 has one end connected to hub 110 and the other end connected to recessed section 126, and the end of root section 125 remote from recessed section 126 is connected to inner edge 123. The recessed section 126 is recessed toward the direction close to the front edge 121, and forms a recessed opening 127, and the recessed opening 127 can reduce the weight of the air guide blade 100, thereby realizing the light weight of the air guide blade 100 and reducing the energy consumption and the material cost. Specifically, the root section 125 can guide the airflow leaking from the recessed opening 127 in the rotating process of the wind guide blade 100, so that the balance of the air volume is ensured, and the air outlet stability and the air volume are improved.

It should be noted that, a ratio of the projection length of the root section 125 in the radial direction of the hub 110 to the projection length of the blade body 120 in the radial direction of the hub 110 is in a range of 0.5 to 0.81, and a reasonable ratio of the projection length of the root section 125 to the projection length of the blade body 120 in the radial direction of the hub 110 can enable the position of the recess 127 to be closer to the outer edge 124 under the condition of ensuring the stability of the outlet air, so as to facilitate enlarging the area of the recess 127 and further reduce the weight of the wind guide blade 100.

In the present embodiment, the ratio of the projection length of the root section 125 in the radial direction of the hub 110 to the projection length of the blade body 120 in the radial direction of the hub 110 is 0.65. However, the present invention is not limited thereto, and in other embodiments, the ratio of the projection length of the root section 125 in the radial direction of the hub 110 to the projection length of the blade body 120 in the radial direction of the hub 110 may be 0.5 or 0.81, and the ratio of the projection length of the root section 125 in the radial direction of the hub 110 to the projection length of the blade body 120 in the radial direction of the hub 110 is not particularly limited.

Recessed section 126 includes a first side section 1261 and a second side section 1262. First side segment 1261 is connected at one end to root segment 125 and at the other end to second side segment 1262, and the end of second side segment 1262 remote from first side segment 1261 is connected to outer edge 124. The first side section 1261 and the second side section 1262 are arranged at a preset included angle, the recessed port 127 is arranged between the first side section 1261 and the second side section 1262, the recessed port 127 is triangular, and the recessed port 127 is used for allowing air flow to pass through in the rotating process of the air guide vane 100 so as to reduce the weight of the air guide vane 100 and avoid influence on air flow as much as possible.

It should be noted that the range of the preset included angle is 35 degrees to 55 degrees, and the area of the concave opening 127 can be increased by the reasonable preset included angle under the condition of ensuring the air outlet stability, so as to reduce the weight of the air guide vane 100 and realize the light weight of the air guide vane 100.

In this embodiment, the predetermined included angle is 45 degrees. However, the present invention is not limited thereto, and in other embodiments, the preset included angle may be 35 degrees or 55 degrees, and the size of the preset included angle is not particularly limited.

For ease of understanding, a projected length of the root section 125 in a radial direction of the hub 110 is denoted as m, a projected length of the blade body 120 in the radial direction of the hub 110 is denoted as n, and the preset included angle is denoted as a.

In this embodiment, the junction of first side segment 1261 and root segment 125 is rounded, and the junction of first side segment 1261 and second side segment 1262 is rounded to improve the security, avoid cutting the assembler, and can improve the stability of air flow.

It is noted that the blade body 120 defines a plurality of first grooves 128 and a plurality of second grooves 129. The first grooves 128 are disposed near the trailing edge 122, the first grooves 128 are circular, the first grooves 128 are densely distributed in a dotted manner, and the layout manner is flexible, so as to solve the problem of vortex concentration on the blade body 120. The second grooves 129 are arranged close to the front edge 121, the groove walls between a plurality of second grooves 129 are distributed on the blade body 120 in a vein shape, and the groove walls between two adjacent second grooves 129 form a V shape, so that the airflow is better guided to flow from the front edge 121 of the blade body 120 to the tail edge 122 of the blade body 120, and is sent to the next blade body 120, thereby realizing the function of rectifying the airflow and reducing the noise generated by the blade body 120 in the rotating process.

In this embodiment, inner edge 123 and hub 110 fixed connection, outer edge 124 are provided with hem 130, and hem 130 can improve the intensity of outer edge 124 to improve the intensity of whole blade, prevent that the blade from taking place to warp or bending, and hem 130 can also carry out the current limiting to the air-out air current, prevent the outside loss of air-out air current, guarantee the air output.

According to the air guide blade 100 of the embodiment of the utility model, the hub 110 is fixedly connected with the blade body 120, the blade body 120 is oppositely provided with the front edge 121 and the tail edge 122, the tail edge 122 comprises the root section 125 and the recessed section 126, one end of the root section 125 is connected with the hub 110, the other end of the root section 125 is connected with the recessed section 126, the recessed section 126 is recessed towards the direction close to the front edge 121 and forms a recessed opening 127, and the ratio range of the projection length of the root section 125 in the radial direction of the hub 110 to the projection length of the blade body 120 in the radial direction of the hub 110 is 0.5 to 0.81. Compared with the prior art, the wind guide vane 100 provided by the utility model adopts the concave section 126 connected with the root section 125 and the concave opening 127 formed by the concave section 126, so that the wind outlet stability is ensured, the weight of the wind guide vane 100 is reduced, the light weight of the wind guide vane 100 is realized, the energy consumption and the material cost are reduced, and the wind outlet quantity is increased.

Second embodiment

The present invention provides an air conditioner (not shown) for regulating indoor air temperature. The air conditioner comprises an air conditioner outer unit and an air conditioner inner unit, wherein the air conditioner outer unit comprises a shell, a condenser, a driving motor and air guide blades 100. The basic structure and principle of the wind-guiding blade 100 and the generated technical effects are the same as those of the first embodiment, and for the sake of brief description, no part of this embodiment is mentioned, and reference may be made to the corresponding contents in the first embodiment.

In this embodiment, the air conditioner outer unit is installed outdoors, and is connected with the air conditioner indoor unit, and the air conditioner outer unit and the air conditioner indoor unit combined action to realize the function of regulation and control indoor temperature. Condenser, driving motor and wind-guiding blade 100 all install in the shell, and driving motor is connected with wind-guiding blade 100, and the position of wind-guiding blade 100 corresponds with the position of condenser. The air guide blade 100 can form negative pressure in the rotating process to drive air to flow and form air outlet airflow, the air outlet airflow can cool the condenser, the heat of the condenser is taken away, normal operation of the condenser is guaranteed, and the indoor unit of the air conditioner can perform indoor heating or refrigerating functions.

The beneficial effects of the air conditioner according to the embodiment of the present invention are the same as those of the first embodiment, and are not described herein again.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The wind-guiding blade is characterized by comprising a hub (110) and a blade body (120), wherein the hub (110) is fixedly connected with the blade body (120), the blade body (120) is relatively provided with a front edge (121) and a tail edge (122), the tail edge (122) comprises a root section (125) and a recessed section (126), one end of the root section (125) is connected with the hub (110), the other end of the root section is connected with the recessed section (126), the recessed section (126) is recessed towards the direction close to the front edge (121) and forms a recessed port (127), and the ratio of the projection length of the root section (125) in the radial direction of the hub (110) to the projection length of the blade body (120) in the radial direction of the hub (110) ranges from 0.5 to 0.81.

2. The wind guiding blade as recited in claim 1, characterized in that a ratio of a projected length of the root section (125) in a radial direction of the hub (110) to a projected length of the blade body (120) in the radial direction of the hub (110) is 0.65.

3. Wind deflection blade according to claim 1, characterized in that the recessed section (126) comprises a first edge section (1261) and a second edge section (1262), the first edge section (1261) being connected at one end to the root section (125) and at the other end to the second edge section (1262), the first edge section (1261) being arranged at a predetermined angle to the second edge section (1262), the recess (127) being arranged between the first edge section (1261) and the second edge section (1262).

4. The wind-guiding blade as recited in claim 3, wherein the predetermined included angle is in a range of 35 degrees to 55 degrees.

5. The wind-guiding blade as recited in claim 4, wherein the predetermined included angle is 45 degrees.

6. Wind deflection blade according to claim 3, characterized in that the connection of the first edge section (1261) to the root section (125) is rounded.

7. The wind-guiding blade as recited in claim 1, wherein the blade body (120) defines a plurality of first grooves (128), the first grooves (128) are disposed near the trailing edge (122), and the first grooves (128) are circular.

8. The wind guide blade as claimed in claim 1, wherein the blade body (120) defines a plurality of second grooves (129), the second grooves (129) are disposed near the front edge (121), and groove walls between the plurality of second grooves (129) are distributed on the blade body (120) in a vein shape.

9. The wind-guiding blade as claimed in claim 1, wherein the blade body (120) is provided with an inner edge (123) and an outer edge (124) opposite to each other, the inner edge (123) is fixedly connected with the hub (110), and the outer edge (124) is provided with a folded edge (130).

10. An air conditioner characterized by comprising the air guide blade as recited in any one of claims 1 to 9.