Fan and air conditioner
By introducing a rotatable noise-reducing plate and a sound-absorbing layer into the fan, the problem of noise from the collision between the airflow and the plastic shell is solved, achieving noise reduction when there is a demand for noise, and not affecting the airflow effect when there is no demand.
Patent Information
- Application Number
- CN202422658359.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-10-31
AI Technical Summary
When the wind speed is too fast, the collision and friction between the airflow and the plastic shell will make noise, affecting the user experience.
A fan is designed, including a volute, a rotatable noise reduction plate and a driving device. The driving device can control the rotation of the noise reduction plate to fit into or away from the inner wall of the volute. The noise reduction plate is provided with a sound absorbing layer to absorb noise.
When noise reduction is needed, the noise reduction plate fits against the inner wall of the volute to reduce noise and improve the user experience; when there is no need for noise reduction, the noise reduction plate can be removed without affecting the fan's airflow and maintaining normal function.
Smart Images
Figure CN223469481U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of air conditioners, in particular to a fan and an air conditioner. BACKGROUND
[0002] An air conditioner indoor unit usually comprises a fan, which is used to drive airflow to flow through the surface of a heat exchanger, and the airflow flows into the room after heat exchange with the heat exchanger, so as to adjust the indoor air.
[0003] In the related art, the outlet of the fan is a bare plastic shell.
[0004] However, in the case of excessive wind speed, the airflow collides and rubs with the plastic shell, which will generate noise and affect the user's experience.
[0005] Therefore, there is a need in the art for a new technical solution to solve the above problems. UTILITY MODEL CONTENT
[0006] In order to solve at least one of the above problems in the prior art, that is, to solve the technical problem that in the related art, in the case of excessive wind speed, the airflow collides and rubs with the plastic shell, which will generate noise and affect the user's experience.
[0007] The present application provides a fan, comprising: a volute comprising an outlet and an inner side wall located at the outlet; a noise reduction plate rotatably arranged at the outlet; and a driving device connected with the noise reduction plate, capable of controlled driving the noise reduction plate to rotate and be attached to the inner side wall, and capable of controlled driving the noise reduction plate to rotate away from the inner side wall.
[0008] In some embodiments, the noise reduction plate comprises a turning plate and an acoustic absorption layer arranged on one side of the turning plate, and in the case that the noise reduction plate is attached to the inner side wall, the acoustic absorption layer faces the outlet.
[0009] In some embodiments, the acoustic absorption layer comprises one or more of acoustic absorption cotton, glass wool, felt and mineral wool; and / or the fixing mode of the acoustic absorption layer comprises one or more of adhesion, nail fixing, bolt fixing and clamping.
[0010] In some embodiments, the noise reduction plate comprises a fixed frame and an acoustic absorption module arranged on the fixed frame.
[0011] In some embodiments, the volute further comprises a volute tongue, and the inner side wall and the volute tongue are distributed on opposite sides of the outlet.
[0012] In some embodiments, the noise reduction plate is provided with a connecting ring, and the output shaft of the driving device is connected with the connecting ring.
[0013] In some embodiments, the connecting ring is arranged at a side edge of the noise reduction plate, wherein the noise reduction plate rotates in a first direction, and the side edge extends in parallel to the first direction.
[0014] In a second aspect, the present application provides an air conditioner, which comprises the fan as described above.
[0015] In some embodiments, the air conditioner further comprises a housing, and the driving device is fixedly arranged in the housing.
[0016] In some embodiments, the air conditioner further comprises a controller, which is in signal connection with the driving device; when the noise reduction function of the air conditioner is turned on, the controller can control the driving device to operate, so as to drive the noise reduction plate to rotate and be attached to the inner side wall; when the noise reduction function of the air conditioner is turned off, the controller can control the driving device to operate, so as to drive the noise reduction plate to rotate and be separated from the inner side wall.
[0017] In the case of adopting the technical scheme described above, when there is a noise reduction demand, the driving device of the fan of the present application is controlled to drive the noise reduction plate to rotate and be attached to the inner side wall of the volute, and the noise generated by the airflow contacting the noise reduction plate is small, which can reduce the air outlet noise of the air conditioner and is beneficial to improve the user experience. In addition, when there is no noise reduction demand, the noise reduction plate can be driven to be separated from the inner side wall of the volute, so as to not affect the normal air outlet of the fan. BRIEF DESCRIPTION OF DRAWINGS
[0018] The fan of the present application will be described below with reference to the accompanying drawings. In the drawings:
[0019] Figure 1 The structure schematic diagram of the fan provided by the present application is shown in FIG. 1;
[0020] Figure 2 The side structure schematic diagram of the noise reduction plate provided by the present application is shown in FIG. 2;
[0021] Figure 3 The structure schematic diagram of the noise reduction plate and the driving device in FIG. 1 is shown in FIG. 3. Figure 2
[0022] List of reference signs
[0023] 100, volute; 101, air outlet; 102, inner side wall; 103, volute tongue;
[0024] 200, noise reduction plate; 201, connecting ring; 202, flap; 203, sound absorption layer;
[0025] 300, driving device. DETAILED DESCRIPTION
[0026] The preferred embodiments of the present application will be described below with reference to the accompanying drawings. Those skilled in the art will understand that the embodiments are only used to explain the technical principles of the present application and are not intended to limit the protection scope of the present application. For example, although the following embodiments of the present application are described in combination with a fan, this is not intended to limit the protection scope of the present application, and the present application can also be applied to other devices without departing from the principles of the present application.
[0027] It should be noted that in the description of the present application, the terms indicating the direction or positional relationship of "middle", "upper", "lower", "vertical", "inner", "outer" and the like are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and is not intended to indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance. "Multiple" refers to two or more.
[0028] In addition, it should also be noted that in the description of the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. Those skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.
[0029] The indoor unit of the air conditioner usually includes a fan, which is used to drive the airflow to flow through the surface of the heat exchanger, and the airflow flows into the room after heat exchange with the heat exchanger, so as to adjust the indoor air. In the related art, the outlet of the fan is a bare plastic shell. However, in the case of too fast wind speed, the airflow collides and rubs with the plastic shell, which will generate noise, affecting the user's experience.
[0030] The present application provides a fan and an air conditioner, which can solve the technical problem that in the related art, in the case of too fast wind speed, the airflow collides and rubs with the plastic shell, which will generate noise, affecting the user's experience.
[0031] In a first aspect, the present application provides a fan.
[0032] In combination Figure 1 And Figure 3 As shown in the figure, the fan provided by the present application includes a volute 100, a noise reduction plate 200 and a driving device 300.
[0033] The volute 100 includes an air outlet 101 and an inner side wall 102 located at the air outlet.
[0034] The noise reduction plate 200 is rotatably disposed at the air outlet 101 .
[0035] The driving device 300 is connected to the noise reduction plate 200 . The driving device 300 can be controlled to drive the noise reduction plate 200 to rotate and fit with the inner wall 102 , and can be controlled to drive the noise reduction plate 200 to rotate away from the inner wall 102 .
[0036] When adopting the above technical solution, if noise reduction is required, the fan drive device 300 provided in this application can control the noise reduction plate 200 to rotate and align with the inner wall 102 of the volute 100. The noise generated by the airflow contacting the noise reduction plate 200 is relatively low, which can reduce the airflow noise of the air conditioner and improve the user experience. In addition, if noise reduction is not required, the noise reduction plate 200 can be driven away from the inner wall 102 of the volute 100, thereby not affecting the normal airflow of the fan.
[0037] In the case where the noise reduction plate 200 is away from the inner wall 102 , the noise reduction plate 200 does not block the air outlet 101 , thus avoiding wind blocking.
[0038] This embodiment provides two configuration methods of the noise reduction plate 200 .
[0039] In the first configuration, the noise reduction plate 200 includes a flap 202 and a sound absorbing layer 203. The sound absorbing layer 203 is disposed on one side of the flap 202. When the noise reduction plate 200 is in contact with the inner wall 102, the sound absorbing layer 203 faces the air outlet 101.
[0040] The flap 202 is connected to the drive unit 300 and serves to securely support the sound-absorbing layer 203. The primary function of the sound-absorbing layer 203 is to absorb noise. When the noise-reduction plate 200 is in contact with the inner wall 102 of the volute 100, the sound-absorbing layer 203 faces the air outlet 101. As the airflow passes through the air outlet 101, it comes into contact with the sound-absorbing layer 203, generating less noise. Furthermore, the sound-absorbing layer 203 absorbs some of the noise generated by the airflow, thereby reducing the airflow noise of the air conditioner.
[0041] In some embodiments, the sound absorbing layer 203 includes one or more of sound absorbing wool, glass wool, felt, and mineral wool.
[0042] These materials are excellent sound-absorbing materials. Their porous structures effectively absorb the energy in sound waves, thereby reducing sound reflection and propagation. When airflow contacts the noise reduction panel 200, the sound waves are absorbed by these sound-absorbing materials, thereby reducing noise levels. Furthermore, these materials are relatively inexpensive and readily available. Using these common sound-absorbing materials can reduce the manufacturing cost of the noise reduction panel 200 while maintaining effective noise reduction.
[0043] Optionally, the sound-absorbing layer 203 comprises sound-absorbing cotton. Sound-absorbing cotton is a kind of artificial inorganic fiber, which uses natural minerals such as quartz sand, limestone, dolomite, etc. as the main raw material, and cooperates with some chemical raw materials such as soda ash, borax, etc. to melt into glass. In the molten state, it is blown into a fluffy fine fiber by external force. The fibers are three-dimensionally crossed and intertwined with each other, presenting many small gaps. It has the advantages of recyclability, firmness, odorlessness, waterproofness, moisture resistance, good air permeability, easy processing, long service life, corrosion resistance, etc.
[0044] In some embodiments, the fixing method of the sound-absorbing layer 203 includes one or more of pasting, nail fixing, bolt fixing and clamping. Through these methods, the sound-absorbing layer 203 can be fixed more firmly to the flip plate 202.
[0045] For pasting, an adhesive such as glue or double-sided tape is usually used to firmly paste the sound-absorbing layer 203 on the surface of the noise reduction plate 200. This method has the advantages of low cost, convenient construction and easy replacement.
[0046] For nail fixing, it is suitable for thicker sound-absorbing layers 203 or scenarios that require stronger fixing force. By passing the nails through the sound-absorbing layer 203 and nailing into the noise reduction plate 200, firm fixation can be achieved. This fixing method has the advantages of reliable fixation and not easy to fall off.
[0047] For bolt fixing, the flip plate 202 is provided with a plurality of first threaded holes, and the sound-absorbing layer 203 is provided with a plurality of first avoiding holes corresponding to the first threaded holes. The bolt passes through the first avoiding hole and is screwed into the corresponding first threaded hole, tightly connecting the sound-absorbing layer 203 and the noise reduction plate 200 together. Alternatively, the flip plate 202 is provided with a plurality of second avoiding holes, and the sound-absorbing layer 203 is provided with a plurality of third avoiding holes corresponding to the second avoiding holes. The bolt passes through the third avoiding hole and the corresponding second avoiding hole, and cooperates with the nut to tightly connect the sound-absorbing layer 203 and the noise reduction plate 200 together. This method has the advantages of high fixing strength, not easy to loosen and easy to replace.
[0048] For clamping, clamping is a quick and convenient fixing method. By designing a special buckle structure, the sound-absorbing layer 203 can be easily installed on the noise reduction plate 200 and can be disassembled and replaced at any time. This method has the advantages of simple operation and easy replacement.
[0049] In the second setting mode, the noise reduction plate 200 comprises a fixed frame and a sound-absorbing module arranged in the fixed frame. It can be understood that the fixed frame has a hollow fixed region, and the sound-absorbing module is fixed in the fixed region. The fixed frame provides a stable support structure for the sound-absorbing module. Through the fixed frame, it can ensure that the sound-absorbing module remains stable in shape during installation and use, and is not easy to deform or fall off. This is conducive to improving the overall performance and durability of the noise reduction plate 200.
[0050] Meanwhile, as the core part of the noise reduction plate 200, the sound absorption module can be easily installed, disassembled and replaced through modular design, and the modular design also facilitates maintenance and upgrading.
[0051] The sound absorption module is usually made of sound-absorbing materials such as sound-absorbing cotton and glass wool, which have excellent sound-absorbing performance. Through the sound absorption module arranged in the fixed frame, the noise reduction plate 200 can more effectively absorb and isolate sound waves, thereby reducing noise levels. This noise reduction effect is of great significance for improving the indoor environment and improving user experience.
[0052] In some embodiments, in combination with Figure 1 As shown, the volute 100 also includes a volute tongue 103, and the inner side wall 102 and the volute tongue 103 are distributed on the opposite sides of the air outlet 101. In the prior art, the inner side wall 102 opposite to the volute tongue 103 is a bare plastic shell without sound-absorbing treatment, and collision and friction with the airflow in high wind mode will cause loud air outlet sound. In the case of noise reduction demand, the driving device of the fan of the present application is controlled to drive the noise reduction plate to rotate and adhere to the inner side wall of the volute, and the noise generated by the airflow contacting the noise reduction plate is smaller, which can reduce the noise generated by the airflow contacting the inner side wall 102, and is beneficial to improve the user's experience.
[0053] In some embodiments, in combination with Figure 2 As shown, the noise reduction plate 200 is provided with a connecting ring 201, and the output shaft of the driving device 300 is connected with the connecting ring 201.
[0054] By providing the connecting ring 201, it is convenient to connect with the output shaft of the driving device 300, and the force and torque of the output shaft are transmitted to the noise reduction plate 200. In addition, the design of the connecting ring 201 makes the connection between the noise reduction plate 200 and the driving device 300 more simple and convenient. During installation and maintenance, the noise reduction plate 200 and the driving device 300 can be quickly connected or disassembled through the connecting ring 201, reducing the complexity of installation and maintenance.
[0055] Optionally, the noise reduction plate 200 and the connecting ring 201 are integrally formed.
[0056] Optionally, the radial direction of the connecting ring 201 is perpendicular to the output shaft of the driving device.
[0057] Optionally, the driving device is a motor.
[0058] In some embodiments, in combination with Figure 2As shown, the connecting ring 201 is arranged at the side edge of the noise reduction plate 200, wherein the noise reduction plate 200 rotates along the first direction, and the extension direction of the side edge is parallel to the first direction. In this way, the rotation of the output shaft of the driving device 300 can drive the noise reduction plate 200 to rotate along the first direction, so as to realize the abutting of the noise reduction plate and the inner side wall or the separation of the noise reduction plate from the inner side wall. In addition, the driving device 300 is also arranged at the side edge of the noise reduction plate 200, which is convenient for arrangement.
[0059] In a second aspect, the present application provides an air conditioner.
[0060] The air conditioner provided by the present application comprises the fan described above.
[0061] In the case of adopting the technical scheme described above, in the case of having a noise reduction demand, the driving device 300 of the air conditioner provided by the present application is controlled to drive the noise reduction plate 200 to rotate and abut against the inner side wall 102 of the volute 100, so that the noise generated by the airflow contacting the noise reduction plate 200 is small, the air outlet noise of the air conditioner can be reduced, and the use experience of the user can be improved. In addition, in the case of not having a noise reduction demand, the noise reduction plate 200 can be driven to separate from the inner side wall 102 of the volute 100, so as not to affect the normal air outlet of the fan.
[0062] It can be understood that the air conditioner comprises an air conditioner indoor unit and an air conditioner outdoor unit, and the air conditioner indoor unit comprises an indoor fan. The indoor fan is used to drive the airflow to flow through the surface of the indoor heat exchanger, and the airflow flows into the indoor after being heat-exchanged with the indoor heat exchanger, so as to adjust the indoor air. Since the indoor fan is located in the indoor, the noise generated thereby has a greater impact on the user. Therefore, the noise reduction plate provided by the present application is mainly used for the air conditioner indoor unit. Of course, the noise reduction plate can also be applied to the air conditioner outdoor unit, and can be flexibly adjusted according to the demand.
[0063] In some embodiments, the air conditioner further comprises a shell, and the driving device 300 is fixedly arranged on the shell. The shell is the main body of the air conditioner. Here, the driving device 300 is installed on the shell instead of being installed on the fan, so that the change to the structure of the fan can be reduced, and the driving device 300 can be fixedly installed. At the same time, the fan will generate a certain vibration during operation. Compared with installing the driving device 300 on the fan, installing the driving device 300 on the shell can reduce the damage to the driving device 300 and further reduce the generation of noise.
[0064] Optionally, the noise reduction plate 200 is provided with a rotating shaft at two sides, and the shell is correspondingly provided with a fixing hole. The rotating shaft is suitable for being inserted into the corresponding fixing hole, so that the noise reduction plate 200 is rotatably arranged at the air outlet 101.
[0065] In some embodiments, the air conditioner further comprises a controller, which is in signal connection with the driving device 300. A user can send a control instruction to the controller through a terminal device such as a mobile phone APP, a computer, and a remote controller, and the controller controls the air conditioner to run a corresponding program after receiving the instruction.
[0066] When the noise reduction function of the air conditioner is turned on, the controller can control the driving device 300 to run, so as to drive the noise reduction plate 200 to rotate and be attached to the inner side wall 102.
[0067] When there is a noise reduction demand, the controller can control the driving device 300 to run, and the output shaft of the driving device rotates to drive the noise reduction plate to rotate and be attached to the inner side wall of the volute. The noise generated by the airflow contacting the noise reduction plate is small, which can reduce the air outlet noise of the air conditioner and improve the user experience.
[0068] When the noise reduction function of the air conditioner is turned off, the controller can control the driving device 300 to run, so as to drive the noise reduction plate 200 to rotate and be attached to the inner side wall 102.
[0069] When there is no noise reduction demand, the controller can control the driving device 300 to run, and the output shaft of the driving device rotates to drive the noise reduction plate to rotate and be attached to the inner side wall of the volute. The noise generated by the airflow contacting the noise reduction plate is small, which can reduce the air outlet noise of the air conditioner and improve the user experience.
[0070] The noise reduction function of the air conditioner is turned on, including that a user turns on the noise reduction function of the air conditioner through a device such as a mobile phone APP, a remote controller, a computer, or a smart sound box; or the air conditioner is in a smart running stage, and the air conditioner automatically controls the noise reduction function of the air conditioner to be turned on according to an algorithm; or the air conditioner controls the noise reduction function of the air conditioner to be turned on according to a preset control program.
[0071] It should be noted that the above preferred embodiments are only used to illustrate the principles of the present application, and are not intended to limit the protection scope of the present application. Those skilled in the art can adjust the above setting mode without departing from the principles of the present application, so that the present application can be applied to more specific application scenarios.
[0072] Those skilled in the art can understand that although some embodiments herein include certain features included in other embodiments rather than other features, the combination of features of different embodiments means to be within the scope of the present application and form different embodiments. For example, in the claims of the present application, any one of the claimed embodiments can be used in any combination.
[0073] The technical scheme of the present application has been described in combination with the preferred embodiments shown in the drawings, but it is easy for those skilled in the art to understand that the protection scope of the present application is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to the related technical features without departing from the principles of the present application, and the technical schemes after the changes or replacements will all fall within the protection scope of the present application.
Claims
1. A fan, characterized by, The fan comprises: a volute comprising an air outlet and an inner side wall located at the air outlet; a noise reduction plate rotatably arranged at the air outlet; and a driving device connected with the noise reduction plate, capable of driving the noise reduction plate to rotate and abut against the inner side wall under control, and capable of driving the noise reduction plate to rotate away from the inner side wall under control.
2. The fan of claim 1, wherein, The noise reduction plate comprises a turning plate and an acoustic absorption layer arranged on one side of the turning plate, and the acoustic absorption layer faces the air outlet when the noise reduction plate abuts against the inner side wall.
3. The fan of claim 2, wherein, The acoustic absorption layer comprises one or more of acoustic absorption cotton, glass wool, felt and mineral wool; and / or the acoustic absorption layer is fixed by one or more of adhesion, nail fixing, bolt fixing and clamping.
4. The fan of claim 1, wherein The noise reduction plate comprises a fixed frame and an acoustic absorption module arranged on the fixed frame.
5. The fan of any one of claims 1 to 4, wherein, The volute further comprises a volute tongue, and the inner side wall and the volute tongue are distributed on opposite sides of the air outlet.
6. The fan of any one of claims 1 to 4, wherein, The noise reduction plate is provided with a connecting ring, and an output shaft of the driving device is connected with the connecting ring.
7. The fan of claim 6, wherein, The connecting ring is arranged on a side edge of the noise reduction plate, wherein the noise reduction plate rotates in a first direction, and an extension direction of the side edge is parallel to the first direction.
8. An air conditioner characterized by comprising: The air conditioner comprises the fan according to any one of claims 1 to 7.
9. The air conditioner of claim 8, wherein The air conditioner further comprises a housing, and the driving device is fixedly arranged in the housing.
10. The air conditioner according to claim 8 or 9, characterized by The air conditioner further comprises a controller, and the controller is signal-connected with the driving device. When a noise reduction function of the air conditioner is turned on, the controller can control the driving device to operate, so as to drive the noise reduction plate to rotate and abut against the inner side wall. When the noise reduction function of the air conditioner is turned off, the controller can control the driving device to operate, so as to drive the noise reduction plate to rotate away from the inner side wall.