Cooling fan and electronic equipment

Abstract

The utility model discloses a cooling fan and electronic equipment, which are used for solving the technical problem of poor structural stability caused by the fact that a shell of an existing noise-reduction cooling fan is made of sound-absorbing materials. The cooling fan comprises a shell and a fan body, the fan body is installed in the shell, the shell protrudes in the direction away from the fan body to form a protruding part, and the protruding part is provided with a cavity communicated with the interior of the shell; and the cavity is filled with a sound absorbing material.

Description

Technical Field

[0001] This utility model relates to the field of cooling fan design technology, and in particular to a cooling fan and electronic device. Background Technology

[0002] Electronic devices generate heat during operation, which is typically dissipated by cooling fans. During operation, the fan blades create airflow within the casing, which continuously impacts the casing, resulting in significant noise from the cooling fan.

[0003] To ensure that the noise of cooling fans meets the standards, the current technology generally involves replacing the outer shell of the cooling fan with one made of sound-absorbing material. However, due to the insufficient rigidity of the sound-absorbing material itself and its poor structural stability, this leads to the technical problem of poor structural stability in noise-reducing cooling fans.

[0004] Therefore, finding a technical solution that can solve the above-mentioned technical problems has become an important research topic for those skilled in the art. Utility Model Content

[0005] This utility model discloses a cooling fan and electronic device to solve the technical problem that the outer shell of existing noise-reducing cooling fans is made of sound-absorbing material, resulting in poor structural stability.

[0006] The present invention provides a cooling fan, comprising a housing and a fan body, wherein the fan body is installed inside the housing, characterized in that the housing protrudes in a direction away from the fan body to form a protrusion, and the protrusion has a cavity communicating with the interior of the housing;

[0007] The cavity is filled with sound-absorbing material.

[0008] Optionally, the outer casing includes a first housing, a second housing, and a third housing for connecting the first housing and the second housing, wherein the first housing, the second housing, and the third housing form the outer casing;

[0009] The third housing has an air outlet, and the first housing and / or the second housing has an air inlet at a position corresponding to the fan body.

[0010] Optionally, the first housing and / or the second housing may protrude in a direction away from the fan body at a position corresponding to the air outlet to form the protrusion.

[0011] Optionally, the first housing or the second housing protrudes in a direction away from the fan body at a position corresponding to the air inlet to form the protrusion.

[0012] Optionally, the protrusion is arranged around the air inlet.

[0013] Optionally, an air guide channel is provided inside the housing;

[0014] One end of the air guide channel is connected to the air inlet, and the other end of the air guide channel is connected to the air outlet.

[0015] Optionally, the first housing and / or the second housing and / or the third housing protrude in a direction away from the fan body at the position corresponding to the air guide channel to form the protrusion.

[0016] Optionally, the protrusion extends along the trajectory of the air guide channel.

[0017] Optionally, the sound-absorbing material is a porous sound-absorbing material.

[0018] The present invention provides an electronic device including the aforementioned cooling fan.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] In this embodiment of the cooling fan, a protrusion is designed on the outer casing away from the fan body, and sound-absorbing material is filled in the cavity connecting the protrusion and the inside of the outer casing. In this design, while ensuring the structural stability of the outer casing, the sound-absorbing material can effectively absorb the noise generated during the operation of the fan body, thereby reducing the noise generated during the cooling fan's operation. Furthermore, through this design, there is no need to redesign the fan body; only appropriate modifications to the outer casing are needed to ensure that the cooling fan generates lower noise at the same speed and airflow under low power consumption conditions, improving the user experience; and under high power consumption conditions, it can achieve a higher speed and increase airflow at the same noise level. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the first specific embodiment of a cooling fan provided by this utility model;

[0023] Figure 2 A schematic diagram of a second specific embodiment of a cooling fan provided by this utility model;

[0024] Figure 3 This is a schematic diagram of a third specific embodiment of a cooling fan provided by this utility model;

[0025] Figure 4 An exploded structural diagram of a third specific embodiment of a cooling fan provided by this utility model;

[0026] Illustration: First housing 1; Second housing 2; Third housing 3; Protrusion 4; Sound-absorbing material 5; Air inlet 6; Air outlet 7; Fan body 8; Air guide channel 9. Detailed Implementation

[0027] This utility model discloses a cooling fan and electronic device to solve the technical problem that the shell of existing noise-reducing cooling fans is made of sound-absorbing material, resulting in poor structural stability.

[0028] To enable those skilled in the art to better understand the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Please see Figures 1 to 4 The present invention provides a cooling fan, including a housing and a fan body 8. The fan body 8 is installed inside the housing. The housing protrudes in a direction away from the fan body 8 to form a protrusion 4. The protrusion 4 has a cavity communicating with the inside of the housing.

[0030] The cavity is filled with sound-absorbing material 5.

[0031] In this embodiment of the cooling fan, a protrusion 4 is designed on the outer casing away from the fan body 8, and a sound-absorbing material 5 is filled in the cavity communicating between the protrusion 4 and the interior of the outer casing. In this design, while ensuring the structural stability of the outer casing, the sound-absorbing material 5 can effectively absorb the noise generated during the operation of the fan body 8, thereby reducing the noise generated during the operation of the cooling fan. Furthermore, through this design, there is no need to redesign the fan body 8; only appropriate modifications to the outer casing are needed to ensure that the cooling fan generates lower noise at the same speed and airflow under low power consumption conditions, improving the user experience; and under high power consumption conditions, it has a higher speed and increases airflow at the same noise level.

[0032] Furthermore, in this embodiment, the sound-absorbing material 5 is preferably a sound-absorbing material 5 with a porous structure, such as foam. This embodiment does not limit this, and designers can choose according to actual design requirements.

[0033] Furthermore, in this embodiment, the outer shell specifically includes a first shell 1, a second shell 2, and a third shell 3 for connecting the first shell 1 and the second shell 2, wherein the first shell 1, the second shell 2, and the third shell 3 form the outer shell;

[0034] In this embodiment, an air outlet 7 is formed on the third housing 3, and an air inlet 6 is provided on the first housing 1 and / or the second housing 2 at a position corresponding to the fan body 8.

[0035] It should be noted that in this embodiment, when the fan body 8 is running, it will draw outside air into the housing through the air inlet 6 and drive the air out through the air outlet 7.

[0036] In addition, it should be noted that there are various ways to assemble the first housing 1, the second housing 2 and the third housing 3, such as using snap-fit ​​connection or hot melt glue connection. This embodiment does not limit this.

[0037] Furthermore, an air guide channel 9 is provided inside the housing in this embodiment;

[0038] One end of the air guide channel 9 is connected to the air inlet 6, and the other end of the air guide channel 9 is connected to the air outlet 7.

[0039] It should be noted that, under the above design, the external airflow, driven by the fan body 8, enters the air guide channel 9 inside the housing from the air inlet 6, and flows from the air guide channel 9 to the air outlet 7.

[0040] Furthermore, the protrusion 4 in this embodiment has multiple placement positions, such as... Figure 1 As shown, in a first specific embodiment, the first housing 1 and / or the second housing 2 protrude in a direction away from the fan body 8 at the position corresponding to the air outlet 7 to form the protrusion 4, and the cavity of the protrusion 4 is filled with sound-absorbing material 5. Specifically, Figure 1 As shown, a protrusion 4 is provided at the position of the first housing 1 corresponding to the air outlet 7.

[0041] It should be noted that during the operation of the cooling fan, the airflow flows out of the casing from the air outlet 7. The airflow will hit the first casing 1 and / or the second casing 2 during the flow, thereby causing noise. Therefore, this specific embodiment can effectively reduce the noise during the air outlet process by designing a protrusion 4 and a sound-absorbing material 5 in the protrusion 4 at the corresponding position of the air outlet 7.

[0042] In addition, in the above specific embodiments, the extending direction of the protrusion 4 is preferably consistent with the extending direction of the air outlet 7, and the protrusion 4 covers the area of ​​the air outlet 7 as much as possible.

[0043] like Figure 2 As shown, in the second specific embodiment, the first housing 1 or the second housing 2 protrudes in a direction away from the fan body 8 at the position corresponding to the air inlet 6 to form the protrusion 4, and the cavity of the protrusion 4 is filled with sound-absorbing material 5. Specifically, Figure 2 As shown, a protrusion 4 is provided at the position of the first housing 1 corresponding to the air inlet 6.

[0044] It should be noted that during the operation of the cooling fan, when the airflow enters the outer casing from the air inlet 6, the airflow will also impact the first casing 1 and / or the second casing 2, thereby causing noise. Therefore, this specific embodiment can effectively reduce the noise during the air intake process by designing a protrusion 4 and a sound-absorbing material 5 in the protrusion 4 at the corresponding position of the air inlet 6.

[0045] In the above specific embodiment, the protrusion 4 is arranged around the air inlet 6.

[0046] It should be noted that, through the above design, the sound-absorbing material 5 can effectively absorb the noise generated during the air intake process.

[0047] like Figure 3 and Figure 4 As shown, in the third specific embodiment, the first housing 1 and / or the second housing 2 and / or the third housing 3 protrude in a direction away from the fan body 8 at the position corresponding to the air guide channel 9 to form the protrusion 4, and the protrusion 4 is filled with sound-absorbing material 5. Specifically, Figure 3 and Figure 4 As shown, the protrusion 4 is provided on the first housing 1 at a position corresponding to the air guide channel 9.

[0048] It should be noted that, through the above design, the sound-absorbing material 5 can absorb the noise generated by the airflow passing through the air guide channel 9, thereby effectively reducing the noise during the airflow process.

[0049] In addition, it should be noted that in the above specific embodiment, the protrusion 4 extends along the trajectory of the air guide channel 9, so that the sound-absorbing material 5 can fully absorb the noise generated during the airflow process.

[0050] Furthermore, in the fourth specific embodiment, the above three specific embodiments can be combined, that is, the outer shell is designed with protrusions 4 and sound-absorbing material 5 in the protrusions 4 at the positions of the air inlet 6, the air outlet 7 and the air guide channel 9, so as to reduce noise at all positions through which the airflow flows, and greatly improve the noise reduction effect of the cooling fan.

[0051] Please see Figures 1 to 4 The present invention provides an electronic device including the cooling fan described above.

[0052] The electronic device in this embodiment features a cooling fan with noise reduction capabilities. The fan's outer casing has a protrusion 4 located away from the fan body 8, and a sound-absorbing material 5 is filled within the cavity connecting the protrusion 4 to the interior of the casing. In this design, while ensuring the structural stability of the casing, the sound-absorbing material 5 effectively absorbs the noise generated during the operation of the fan body 8, thereby reducing the noise generated during the cooling fan's operation. Furthermore, through this design, there is no need to redesign the fan body 8; only appropriate modifications to the casing are required. This allows the cooling fan to generate lower noise at low power consumption, constant speed, and constant airflow, improving the user experience; and at high power consumption, it can achieve a higher speed and increase airflow at the same noise level.

[0053] The above provides a detailed description of a cooling fan and electronic device provided by this utility model. For those skilled in the art, based on the ideas of the embodiments of this utility model, there will be changes in the specific implementation methods and application scope. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A cooling fan, comprising a housing and a fan body (8), the fan body (8) being installed inside the housing, characterized in that, The outer casing protrudes in a direction away from the fan body (8) to form a protrusion (4), the protrusion (4) having a cavity communicating with the interior of the outer casing; The cavity is filled with sound-absorbing material (5).

2. The cooling fan according to claim 1, characterized in that, The outer shell includes a first shell (1), a second shell (2), and a third shell (3) for connecting the first shell (1) and the second shell (2), the first shell (1), the second shell (2), and the third shell (3) forming the outer shell; The third housing (3) has an air outlet (7), and the first housing (1) and / or the second housing (2) have air inlets (6) at positions corresponding to the fan body (8).

3. The cooling fan according to claim 2, characterized in that, The first housing (1) and / or the second housing (2) protrude in a direction away from the fan body (8) at the position corresponding to the air outlet (7) to form the protrusion (4).

4. The cooling fan according to claim 2, characterized in that, The first housing (1) or the second housing (2) protrudes in a direction away from the fan body (8) at the position corresponding to the air inlet (6) to form the protrusion (4).

5. The cooling fan according to claim 4, characterized in that, The protrusion (4) is arranged around the air inlet (6).

6. The cooling fan according to claim 2, characterized in that, An air guide channel (9) is provided inside the housing. One end of the air guide channel (9) is connected to the air inlet (6), and the other end of the air guide channel (9) is connected to the air outlet (7).

7. The cooling fan according to claim 6, characterized in that, The first housing (1) and / or the second housing (2) and / or the third housing (3) protrude in a direction away from the fan body (8) at the position corresponding to the air guide channel (9) to form the protrusion (4).

8. The cooling fan according to claim 7, characterized in that, The protrusion (4) extends along the trajectory of the air guide channel (9).

9. The cooling fan according to any one of claims 1 to 8, characterized in that, The sound-absorbing material (5) is a porous sound-absorbing material.

10. An electronic device, characterized in that, Includes the cooling fan as described in any one of claims 1 to 9.

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