Volute and electrical device

Abstract

The present application provides a volute and an electrical device. The volute comprises: a casing; a noise reduction member, arranged on the inner side of the casing; and a porous member, arranged the inner side of the casing and pressed and covered on the noise reduction member. The volute provided by the present application comprises the casing, the noise reduction member and the porous member, the noise reduction member and the porous member are arranged on the inner side of the casing, and the porous member is pressed and covered on the noise reduction member, so that noise in the casing can be transmitted to the noise reduction member by means of the porous member, thereby achieving noise reduction and sound absorption effects, and reducing noise generated by a fan or other electronic devices.

Description

Volute and electrical equipment

[0001] This application claims priority to the Chinese patent application filed with the China Patent Office on January 8, 2024, with application number "202420039646.X" and application name "Voltage Case and Electrical Equipment", the entire contents of which are incorporated by reference into this application. Technical Field

[0002] The present application relates to the technical field of fans, and in particular to a volute and electrical equipment. Background Art

[0003] A volute fan is a machine that relies on mechanical energy to increase gas pressure and discharge gas. It is widely used in home appliances. A volute fan usually includes a moving impeller and a volute. The rotation of the moving impeller generates airflow, which is then expanded and discharged after being pressurized by the volute. During the use of the volute fan, obvious noise will be generated.

[0004] Summary of the Invention

[0005] The present application aims to at least solve or improve the technical problem of excessive noise in the volute blower in the prior art.

[0006] To this end, a first aspect of the present application proposes a volute.

[0007] A second aspect of the present application provides an electrical device.

[0008] In view of this, according to the first aspect of the present application, the present application proposes a volute, comprising: a shell; a noise reduction member arranged on the inner side of the shell; a porous member arranged on the inner side of the shell, the porous member being pressed onto the noise reduction member.

[0009] The volute proposed in this application includes a shell, a noise reduction component and a porous component. The noise reduction component and the porous component are arranged on the inner side of the shell, and the porous component is pressed on the noise reduction component. The noise in the shell can be transmitted to the noise reduction component through the porous component, thereby achieving the effect of noise reduction and sound absorption, and reducing the noise generated by the fan or other electronic equipment.

[0010] In addition, the volute in the above technical solution provided by this application may also have the following additional technical features:

[0011] In some embodiments, illustratively, the porous member has a plurality of through holes, and the through holes are connected from the porous member toward the noise reduction member to away from the noise reduction member.

[0012] In this embodiment, the porous member includes a plurality of through holes, and the hole walls of the through holes can also consume the energy of the sound waves. Therefore, providing a plurality of through holes can increase the noise reduction effect, and the through holes are connected from the porous member toward the noise reduction member to away from the noise reduction member, so that the sound waves can be guided to the noise reduction member to further consume the energy of the sound waves and ensure that the noise reduction member can effectively absorb the energy of the sound waves.

[0013] In some embodiments, illustratively, a first mounting groove is provided on the inner wall of the shell, the noise reduction member is provided in the first mounting groove, and the porous member cover is provided on the first mounting groove.

[0014] In this embodiment, a first mounting groove is provided on the inner wall of the shell, the noise reduction component is embedded in the first mounting groove, and the porous component cover is provided on the first mounting groove, and then the first mounting groove is used to accommodate the noise reduction component, thereby reducing the occupation of the internal space of the volute by the noise reduction component and the porous component, so as to ensure the airflow guiding effect of the volute, and facilitate increasing the number of noise reduction components to improve the noise reduction effect.

[0015] In some embodiments, illustratively, there are multiple first mounting grooves, and a porous member cover is provided on the multiple first mounting grooves.

[0016] In this embodiment, there are multiple first installation slots, and the first installation slots can also consume the energy of sound waves. Therefore, providing multiple first installation slots can improve the noise reduction effect, wherein a noise reduction component is provided in each first installation slot.

[0017] Furthermore, a porous member cover is provided on the plurality of first mounting grooves, thereby reducing the number of components, lowering the difficulty of assembly, and improving production efficiency.

[0018] In some embodiments, illustratively, the plurality of first mounting grooves are distributed in an array, and each first mounting groove is arranged opposite to at least one through hole on the porous member.

[0019] In this embodiment, multiple first mounting grooves are distributed in an array, increasing the number of first mounting grooves and noise reduction components per unit area and improving the noise reduction effect. Moreover, each first mounting groove and at least one through hole on the porous component are arranged relative to each other, ensuring that the sound waves in the volute can be transmitted to the first mounting groove and the noise reduction component through the through hole.

[0020] In some embodiments, illustratively, a second mounting groove is provided on the inner wall of the shell, the first mounting groove is provided at the bottom of the second mounting groove, and the porous member is embedded in the second mounting groove.

[0021] In this embodiment, a second mounting groove is provided on the inner wall of the shell, and the porous member is embedded in the second mounting groove, reducing the occupation of the porous member in the internal space of the volute to ensure the airflow guiding effect of the volute, and the first mounting groove is arranged at the bottom of the second mounting groove, further reducing the occupation of the internal space of the volute by the noise reduction member and the porous member to ensure the airflow guiding effect of the volute, and facilitating the increase in the number of noise reduction members and the improvement of the noise reduction effect.

[0022] In some embodiments, illustratively, the porous member is a plate-shaped structure, the bottom of the second mounting groove is a planar structure, and the porous member and the bottom of the second mounting groove are in contact with each other.

[0023] In this embodiment, the porous member is a plate-like structure, and the bottom of the second mounting groove is a planar structure, so that the porous member can be fitted with the bottom of the second mounting groove, reducing the difficulty of installing the porous member, and facilitating the setting of the first mounting groove at the bottom of the second mounting groove, thereby improving production efficiency.

[0024] In some embodiments, exemplarily, the housing includes an exhaust pipe, and the noise reduction member and the porous member are disposed at the exhaust pipe.

[0025] In this embodiment, the shell includes an exhaust pipe, which is the end of the air flow of the volute. Since an impeller will be set inside the volute, the noise reduction member and the porous member are set at the exhaust pipe to reduce the impact of the impeller on the noise reduction member and the porous member.

[0026] In some embodiments, exemplarily, along the circumference of the inner wall of the exhaust pipe, the porous member covers more than half of the inner wall of the exhaust pipe.

[0027] In this embodiment, along the circumference of the inner wall of the exhaust pipe, the porous member covers more than half of the inner wall of the exhaust pipe, to ensure that the noise reduction member can absorb sound waves in multiple directions and improve the noise reduction effect.

[0028] In some embodiments, exemplarily, there are multiple porous members, and the multiple porous members are distributed along the circumference of the exhaust pipe.

[0029] In this embodiment, a plurality of porous parts are arranged in the exhaust pipe, and the plurality of porous parts are distributed on the inner side of the exhaust pipe along the circumference of the exhaust pipe. Usually, the inner side of the exhaust pipe forms a circle or a polygon. Therefore, by assembling a plurality of porous parts, the difficulty of assembling the porous parts and the volute can be reduced.

[0030] According to the second aspect of the present application, the present application proposes an electrical device, including: a volute as proposed in the embodiment of the first aspect.

[0031] The electrical device proposed in this application includes the volute proposed in the first embodiment, and therefore has all the beneficial effects of the volute proposed in the first embodiment, which will not be listed one by one here.

[0032] Additional aspects and advantages of the present application will become apparent in the following description or may be learned through practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0034] FIG1 shows a schematic structural diagram of a volute provided in one embodiment of the present application;

[0035] FIG2 shows an exploded view of a partial structure of a volute provided by one embodiment of the present application;

[0036] FIG3 shows an exploded view of a partial structure of a volute provided by one embodiment of the present application;

[0037] FIG4 shows a schematic structural diagram of a noise reduction member and a porous member in a volute provided in one embodiment of the present application;

[0038] FIG5 shows a cross-sectional view of a portion of the structure of a volute provided in one embodiment of the present application;

[0039] FIG6 shows a schematic structural diagram of a casing in a volute provided in one embodiment of the present application.

[0040] 1 to 6 , the correspondence between the reference numerals and component names is as follows: 100 volute, 110 housing, 112 first mounting groove, 114 second mounting groove, 1142 groove bottom, 116 exhaust pipe, 118 inner wall, 120 noise reduction member, 130 porous member, 132 through hole. DETAILED DESCRIPTION

[0041] In order to more clearly understand the above-mentioned objects, features and advantages of the present application, the present application is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other in the absence of conflict.

[0042] In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present application is not limited to the specific embodiments disclosed below.

[0043] The following describes a volute 100 and an electrical device provided according to some embodiments of the present application with reference to FIG. 1 to FIG. 6 .

[0044] As shown in Figures 1 and 2, according to the first aspect of the present application, the present application provides a volute 100, which includes a shell 110, a noise reduction member 120 and a porous member 130. The noise reduction member 120 is arranged inside the volute 100, and the porous member 130 is also arranged inside the volute 100. The porous member 130 presses the noise reduction member 120 against the inner wall 118 of the shell 110.

[0045] The volute 100 provided in the present application includes a shell 110, a noise reduction member 120 and a porous member 130. The noise reduction member 120 and the porous member 130 are arranged inside the shell 110, and the porous member 130 is pressed on the noise reduction member 120. Then, the noise in the shell 110 can be transmitted to the noise reduction member 120 through the porous member 130, thereby achieving the effect of noise reduction and sound absorption, and reducing the noise generated by the fan or other electronic equipment.

[0046] The noise reduction component 120 may be made of foam or other sound-absorbing materials.

[0047] As shown in FIG. 1 and FIG. 2 , in some embodiments, for example, the porous member 130 has a plurality of through holes 132 , and the through holes 132 are connected from the porous member 130 toward the noise reduction member 120 to the porous member 130 away from the noise reduction member 120 .

[0048] In this embodiment, the porous member 130 includes a plurality of through holes 132, and the hole walls of the through holes 132 can also consume the energy of the sound waves. Therefore, providing a plurality of through holes 132 can increase the noise reduction effect, and the through holes 132 are connected from the porous member 130 toward the noise reduction member 120 to the porous member 130 away from the noise reduction member 120, so that the sound waves can be guided to the noise reduction member 120, that is, the sound waves can be transmitted into the noise reduction member 120 through the through holes 132 to further consume the energy of the sound waves and ensure that the noise reduction member 120 can effectively absorb the energy of the sound waves.

[0049] There are multiple through holes 132 on the porous member 130 , at least one noise reduction member 120 , and at least one porous member 130 .

[0050] As shown in Figures 2, 3 and 5, in some embodiments, exemplarily, the inner wall 118 of the shell 110 is provided with a first mounting groove 112, the noise reduction member 120 is arranged in the first mounting groove 112, and the porous member 130 is covered on the first mounting groove 112.

[0051] In this embodiment, the inner wall 118 of the shell 110 is provided with a first mounting groove 112, the noise reduction component 120 is embedded in the first mounting groove 112, and the porous component 130 is covered on the first mounting groove 112, and then the first mounting groove 112 is used to accommodate the noise reduction component 120, thereby reducing the occupation of the internal space of the volute 100 by the noise reduction component 120 and the porous component 130, so as to ensure the airflow guidance effect of the volute 100, and facilitate to increase the number of noise reduction components 120 and improve the noise reduction effect.

[0052] Specifically, the height of the noise reduction member 120 may be the same as the height of the first installation groove 112 , or the height of the noise reduction member 120 may be lower than the height of the first installation groove 112 .

[0053] As shown in FIG. 2 , FIG. 3 and FIG. 5 , in some embodiments, illustratively, there are multiple first mounting grooves 112 , and one porous member 130 is provided to cover the multiple first mounting grooves 112 .

[0054] In this embodiment, there are multiple first mounting grooves 112 , and the first mounting grooves 112 can also consume the energy of sound waves. Therefore, providing multiple first mounting grooves 112 can improve the noise reduction effect, wherein a noise reduction component 120 is provided in each first mounting groove 112 .

[0055] Furthermore, a porous member 130 is pressed onto the plurality of first mounting grooves 112 , thereby reducing the number of components, lowering the difficulty of assembly, and improving production efficiency.

[0056] The interior of the housing 110 is provided with a plurality of first mounting slots 112 and a plurality of noise reduction members 120. The porous member 130 is pressed against the plurality of first mounting slots 112, confining the noise reduction members 120 within the first mounting slots 112. The noise reduction members 120 and the first mounting slots 112 further reduce the vibration and pulsation of sound waves, thereby achieving the purpose of noise reduction. Furthermore, the porous member 130 has a minimal impact on the flow field and the efficiency of the electrical equipment.

[0057] As shown in FIG. 2 , FIG. 3 and FIG. 5 , in some embodiments, illustratively, the plurality of first mounting slots 112 are distributed in an array, and each first mounting slot 112 is disposed opposite to at least one through hole 132 on the porous member 130 .

[0058] In this embodiment, multiple first mounting grooves 112 are distributed in an array, increasing the number of first mounting grooves 112 and noise reduction components 120 per unit area and improving the noise reduction effect. Moreover, each first mounting groove 112 and at least one through hole 132 on the porous component 130 are arranged relative to each other, ensuring that the sound waves in the volute 100 can be transmitted to the first mounting groove 112 and the noise reduction component 120 through the through hole 132.

[0059] Specifically, sound waves can enter the first mounting groove 112 through the through hole 132, and the first mounting groove 112 can reduce the vibration of the sound waves. In addition, the noise reduction component 120 in the first mounting groove 112 can also reduce the vibration of the sound waves, thereby improving the noise reduction effect on the sound waves.

[0060] As shown in FIG. 5 , in some embodiments, illustratively, the inner wall 118 of the housing 110 is provided with a second mounting groove 114 , the first mounting groove 112 is provided at a groove bottom 1142 of the second mounting groove 114 , and the porous member 130 is embedded in the second mounting groove 114 .

[0061] In this embodiment, the inner wall 118 of the shell 110 is provided with a second mounting groove 114, and the porous member 130 is embedded in the second mounting groove 114, reducing the occupation of the porous member 130 on the internal space of the volute 100 to ensure the airflow guiding effect of the volute 100, and the first mounting groove 112 is arranged at the groove bottom 1142 of the second mounting groove 114, further reducing the occupation of the internal space of the volute 100 by the noise reduction member 120 and the porous member 130 to ensure the airflow guiding effect of the volute 100, and facilitating the increase in the number of noise reduction members 120 to improve the noise reduction effect.

[0062] Specifically, the height of the porous member 130 may be the same as that of the second mounting groove 114 , or the height of the porous member 130 may be lower than that of the second mounting groove 114 , or the height of the porous member 130 may be higher than that of the second mounting groove 114 .

[0063] As shown in Figures 2, 3, 4 and 5, in some embodiments, for example, the porous member 130 is a plate-like structure, the bottom 1142 of the second mounting groove 114 is a planar structure, and the porous member 130 and the bottom 1142 of the second mounting groove 114 are in contact with each other.

[0064] In this embodiment, the porous member 130 is a plate-like structure, and the bottom 1142 of the second mounting groove 114 is a planar structure, so that the porous member 130 can be fitted with the bottom 1142 of the second mounting groove 114, reducing the difficulty of installing the porous member 130, and facilitating the setting of the first mounting groove 112 at the bottom 1142 of the second mounting groove 114, thereby improving production efficiency, and the coordination between planes, and higher installation reliability.

[0065] As shown in FIG. 1 , in some embodiments, illustratively, the outlet of the housing 110 includes an exhaust pipe 116 , and a noise reduction member 120 and a porous member 130 are disposed at the exhaust pipe 116 .

[0066] In this embodiment, the shell 110 includes an exhaust pipe 116, which is the end of the air flow of the volute 100. Since an impeller will be set inside the volute 100, the noise reduction member 120 and the porous member 130 are set at the exhaust pipe 116, which can reduce the impact of the impeller on the noise reduction member 120 and the porous member 130.

[0067] As shown in FIG. 2 , FIG. 3 , FIG. 4 and FIG. 6 , in some embodiments, exemplarily, along the circumference of the inner wall 118 of the exhaust pipe 116 , the porous member 130 covers more than half of the inner wall 118 of the exhaust pipe 116 .

[0068] In this embodiment, along the circumference of the inner wall 118 of the exhaust pipe 116 , the porous member 130 covers more than half of the inner wall 118 of the exhaust pipe 116 to ensure that the noise reduction member 120 can absorb sound waves in multiple directions and improve the noise reduction effect.

[0069] As shown in FIG. 4 and FIG. 6 , in some embodiments, illustratively, there are multiple porous members 130 , and the multiple porous members 130 are distributed along the circumference of the exhaust pipe 116 .

[0070] In this embodiment, a plurality of porous members 130 are provided in the exhaust pipe 116. The plurality of porous members 130 are distributed on the inner side of the exhaust pipe 116 along the circumference of the exhaust pipe 116. Usually, the inner side of the exhaust pipe 116 forms a circle or a polygon. Therefore, by assembling a plurality of porous members 130, the difficulty of assembling the porous members 130 and the volute 100 can be reduced.

[0071] Specifically, the plurality of porous members 130 may be disposed on the inner side of the exhaust pipe 116 at intervals or in a close fit.

[0072] According to a second aspect of the present application, the present application provides an electrical device, including: a volute 100 as proposed in the embodiment of the first aspect.

[0073] The electrical device provided in the present application includes the volute 100 provided in the first aspect embodiment, and therefore has all the beneficial effects of the volute 100 proposed in the first aspect embodiment, which will not be stated one by one here.

[0074] Specifically, the electrical equipment includes blowers, hair dryers, air conditioners or fans, etc.

[0075] In this application, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" refers to two or more, unless expressly limited otherwise. Terms such as "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, "connected" can mean a fixed connection, a detachable connection, or an integral connection; "connected" can mean a direct connection or an indirect connection through an intermediary. Those skilled in the art can understand the specific meanings of the above terms in this application based on the specific circumstances.

[0076] In the description of this application, it should be understood that the terms "up", "down", "left", "right", "front", "back", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, rather than indicating or implying that the components or units referred to must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be understood as limiting this application.

[0077] Throughout this specification, terms such as "one embodiment," "some embodiments," and "specific embodiments" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0078] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A volute, wherein, Comprising: A housing; A noise reduction member disposed inside the housing; A porous member disposed inside the housing, and the porous member presses on the noise reduction member.

2. The volute according to claim 1, wherein, The porous member has a plurality of through holes, and the through holes are conducted in a direction from the porous member towards the noise reduction member to away from the noise reduction member.

3. The volute according to claim 2, wherein, The inner wall of the housing is provided with a first mounting groove, the noise reduction member is disposed in the first mounting groove, and the porous member covers the first mounting groove.

4. The volute according to claim 3, wherein, The number of the first mounting grooves is plural, and one porous member covers a plurality of the first mounting grooves.

5. The volute according to claim 4, wherein, The plurality of first mounting grooves are arranged in an array, and at least one through hole on each of the first mounting grooves and the porous member are oppositely arranged.

6. The volute according to claim 3, wherein, The inner wall of the housing is provided with a second mounting groove, the first mounting groove is disposed at the bottom of the second mounting groove, and the porous member is embedded in the second mounting groove.

7. The volute according to claim 6, wherein, The porous member is a plate-like structure, the bottom of the second mounting groove is a planar structure, and the porous member fits with the bottom of the second mounting groove.

8. The volute according to any one of claims 1 to 7, wherein, The housing includes an exhaust pipe, and the noise reduction member and the porous member are disposed at the exhaust pipe.

9. The volute according to claim 8, wherein, Along the circumferential direction of the inner wall of the exhaust pipe, the portion of the inner wall of the exhaust pipe covered by the porous member exceeds one half of the inner wall of the exhaust pipe.

10. The volute according to claim 8, wherein, The number of the porous members is plural, and the plurality of porous members are distributed along the circumferential direction of the exhaust pipe.

11. An electrical device, wherein, Comprising: The volute according to any one of claims 1 to 10.

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