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CN105201876A - Fan and electronic equipment - Google Patents

Fan and electronic equipment Download PDF

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Publication number
CN105201876A
CN105201876A CN201410307929.9A CN201410307929A CN105201876A CN 105201876 A CN105201876 A CN 105201876A CN 201410307929 A CN201410307929 A CN 201410307929A CN 105201876 A CN105201876 A CN 105201876A
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China
Prior art keywords
impellers
fan
impeller
driving motor
different
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CN201410307929.9A
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Chinese (zh)
Inventor
那志刚
孙英
贾自周
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Lenovo Beijing Ltd
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Lenovo Beijing Ltd
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Application filed by Lenovo Beijing Ltd filed Critical Lenovo Beijing Ltd
Priority to CN201410307929.9A priority Critical patent/CN105201876A/en
Publication of CN105201876A publication Critical patent/CN105201876A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a fan and electronic equipment. The fan comprises an outer shell and a fan assembly, and the fan assembly is arranged on the outer shell. The outer shell includes an air outlet. The fan assembly includes a driving motor and a plurality of impellers driven by the driving motor. The morphological parameters of at least two impellers in the multiple impellers are inconsistent, and accordingly the speeds of air flowing to the air outlet from the multiple impellers are different.

Description

Fan and electronic equipment
Technical Field
The present disclosure relates to fan technologies, and particularly to a fan and an electronic device.
Background
With the size of the notebook becoming thinner and thinner, the fan of the notebook becomes simpler and more correspondingly, the air inlet angle and the air outlet angle of the impeller adopted by the existing notebook fan are consistent, the thicknesses of the impellers are the same, and thus, the directions and the sizes of the wind speeds of the air outlets of the impellers are consistent. However, the direction and the size of the wind speed of the wind outlet are consistent, so that the sound peaks and the sound valleys of the sound waves generated by the impellers are consistent and superposed, larger noise is generated, and the user experience is seriously influenced.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present invention provide a fan and an electronic device.
The fan provided by the embodiment of the invention comprises a shell and a fan assembly, wherein the fan assembly is arranged on the shell; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
at least two impellers in the impellers have different morphological parameters, so that the wind speeds of the impellers flowing to the air outlet are different.
The electronic equipment provided by the embodiment of the invention comprises: the fan comprises a body and a fan arranged on the body; the fan comprises a shell and a fan assembly, wherein the fan assembly is arranged on the shell; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
at least two impellers in the impellers have different morphological parameters, so that the wind speeds of the impellers flowing to the air outlet are different.
In the technical scheme of the embodiment of the invention, the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor, and the plurality of impellers generate airflow when being driven by the driving motor; the generated air flow flows to an air outlet of the fan shell to realize the heat dissipation function; and the shape parameters of at least one impeller in the impellers are inconsistent with the shape parameters of other impellers, for example, the thickness of at least one impeller in the impellers is inconsistent with the thickness of other impellers, so that the size and the direction of the wind speed of the impellers flowing to the air outlet are not completely consistent, sound peaks and sound valleys of sound waves generated by the impellers are overlapped in a staggered manner, the noise intensity is reduced, and the user experience is improved.
Drawings
Fig. 1 is a schematic structural diagram of a fan according to a first embodiment of the invention;
FIG. 2 is a schematic structural diagram of a fan according to a second embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a fan according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a fan according to a fourth embodiment of the present invention.
Detailed Description
So that the manner in which the features and aspects of the embodiments of the present invention can be understood in detail, a more particular description of the embodiments of the invention, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings.
Fans are used in many heat-generating electronic devices, such as notebook computers, desktop computers, etc.; the fan can make air pass through the radiating fins at a certain speed and in a certain mode through a flow guide mode, and heat accumulated on the radiating fins is taken away by utilizing heat exchange between the air and the radiating fins, so that a forced convection radiating mode is realized.
The fan comprises a shell and a fan assembly, wherein the fan assembly is arranged on the shell; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
at least two impellers in the impellers have different morphological parameters, so that the wind speeds of the impellers flowing to the air outlet are different.
In the embodiment of the invention, the shell of the fan, also called as the fan frame, can restrain the airflow driven by the impeller and control the outflow direction of the airflow, so that the airflow flows to the air outlet in a centralized manner.
In the embodiment of the invention, the material and the structure adopted by the shell of the fan need to meet certain strength so as to bear physical impact to a certain extent and achieve the effect of protecting the fan assembly. Therefore, the casing of the fan can be made of plastic with higher hardness.
In the embodiment of the invention, the fan assembly is arranged on the shell, the driving motor which is included by the fan assembly is called as a stator, the position of the driving motor is fixed, and the driving motor rotates around the axis of the body; the fan assembly includes a plurality of impellers, referred to as a rotor, that rotate about bearings to generate an airflow.
In the embodiment of the invention, the driving motor comprises a bearing and an outer frame for fixing a plurality of impellers; the bearing of the driving motor can rotate around the axis of the body under the action of electromagnetic force, and the fan blades formed by the plurality of impellers are fixed on the bearing of the driving motor, so that the driving motor can drive the fan blades to rotate. Here, the bearings are classified into at least the following: roller bearings, oil-retaining bearings, ceramic bearings, hydraulic bearings.
In the embodiment of the invention, the impellers are distributed around the axis, wherein the larger the inclination angle of the impeller is, the larger the pressure difference between the upper surface and the lower surface of the impeller is, and the larger the wind pressure is at the same rotating speed, so that the inclination angle of the impeller can be adjusted to change the wind speed. Here, the inclination angle of the impeller means an angle of the impeller with respect to a plane perpendicular to the bearing.
In the embodiment of the invention, the impeller is slightly bent towards the rotating direction and has a certain radian, so that the air flow can be ensured to be concentrated in a cylindrical space right in front of the air outlet, and the air supply distance and the air pressure are increased.
In the embodiment of the present invention, the number of the impellers is odd, for example, 7, 9, 11, etc., and if even number of impellers are used, the fan is likely to resonate, and further the impeller or the bearing is likely to break.
Noise is generated due to mutual interference between flowing air; the faster the air flow speed, the more the turbulence, the larger the noise, and the different morphological parameters of at least one impeller among the plurality of impellers in the embodiment of the invention are from those of other impellers, so that the air speeds of the air flows generated by the impellers are different, the sound peaks and the sound valleys of the generated sound waves are overlapped in a staggered manner, and the noise intensity is lower.
In the embodiment of the invention, the different wind speeds of the air outlets mean that the sizes and/or directions of the wind speeds are different.
Based on the fan, the electronic device in the embodiment of the invention comprises: the fan comprises a body and a fan arranged on the body; the fan comprises a shell and a fan assembly, wherein the fan assembly is arranged on the shell; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
at least two impellers in the impellers have different morphological parameters, so that the wind speeds of the impellers flowing to the air outlet are different.
In the embodiment of the invention, the electronic equipment can be notebook computers, desktop computers and other electronic equipment.
In the embodiment of the present invention, the main body of the electronic device refers to the main body of the electronic device, and the fan may be disposed at any position of the main body of the electronic device, for example, the bottom of the main body, according to design requirements.
In the embodiment of the invention, the shell of the fan, also called as the fan frame, can restrain the airflow driven by the impeller and control the outflow direction of the airflow, so that the airflow flows to the air outlet in a centralized manner.
In the embodiment of the invention, the material and the structure adopted by the shell of the fan need to meet certain strength so as to bear physical impact to a certain extent and achieve the effect of protecting the fan assembly. Therefore, the casing of the fan can be made of plastic with higher hardness.
In the embodiment of the invention, the fan assembly is arranged on the shell, the driving motor which is included by the fan assembly is called as a stator, the position of the driving motor is fixed, and the driving motor rotates around the axis of the body; the fan assembly includes a plurality of impellers, referred to as a rotor, that rotate about bearings to generate an airflow.
In the embodiment of the invention, the driving motor comprises a bearing and an outer frame for fixing a plurality of impellers; the bearing of the driving motor can rotate around the axis of the body under the action of electromagnetic force, and the fan blades formed by the plurality of impellers are fixed on the bearing of the driving motor, so that the driving motor can drive the fan blades to rotate. Here, the bearings are classified into at least the following: roller bearings, oil-retaining bearings, ceramic bearings, hydraulic bearings.
In the embodiment of the invention, the impellers are distributed around the axis, wherein the larger the inclination angle of the impeller is, the larger the pressure difference between the upper surface and the lower surface of the impeller is, and the larger the wind pressure is at the same rotating speed, so that the inclination angle of the impeller can be adjusted to change the wind speed. Here, the inclination angle of the impeller means an angle of the impeller with respect to a plane perpendicular to the bearing.
In the embodiment of the invention, the impeller is slightly bent towards the rotating direction and has a certain radian, so that the air flow can be ensured to be concentrated in a cylindrical space right in front of the air outlet, and the air supply distance and the air pressure are increased.
In the embodiment of the present invention, the number of the impellers is odd, for example, 7, 9, 11, etc., and if even number of impellers are used, the fan is likely to resonate, and further the impeller or the bearing is likely to break.
Noise is generated due to mutual interference between flowing air; the faster the air flow speed, the more the turbulence, the larger the noise, and the different morphological parameters of at least one impeller among the plurality of impellers in the embodiment of the invention are from those of other impellers, so that the air speeds of the air flows generated by the impellers are different, the sound peaks and the sound valleys of the generated sound waves are overlapped in a staggered manner, and the noise intensity is lower.
In the embodiment of the invention, the different wind speeds of the air outlets mean that the sizes and/or directions of the wind speeds are different.
In the scheme, the shape parameters of the impeller represent the thickness, density, inclination angle, radian, material and the like of the impeller; the essence of the technical solution of the present invention will be further clarified by the different form parameters of the impeller of the embodiment of the present invention.
Fig. 1 is a schematic structural component diagram of a fan according to a first embodiment of the present invention, and as shown in fig. 1, the fan in this example includes a housing 11 and a fan assembly, where the fan assembly is disposed on the housing 11; the housing 11 comprises an air outlet, and the fan assembly comprises a driving motor 12 and a plurality of impellers 13 driven by the driving motor 12; wherein,
the thickness of at least one impeller 13 in the plurality of impellers 13 is different from the thickness of the other impellers 13, so that the wind speeds of the plurality of impellers 13 flowing to the air outlet are different.
In the embodiment of the present invention, the housing 11 of the fan, also referred to as a fan frame, can constrain the airflow driven by the impeller 13, and control the outflow direction thereof, so that the airflow flows to the air outlet in a concentrated manner.
In the embodiment of the present invention, the material and structure of the housing 11 of the fan need to satisfy a certain strength to bear physical impact to a certain extent, so as to protect the fan assembly. Therefore, the housing 11 of the fan may be made of a hard plastic.
In the embodiment of the invention, the fan assembly is arranged on the shell 11, the driving motor 12 included in the fan assembly is called as a stator, the position of the driving motor 12 is fixed, and the driving motor 12 rotates around the axis of the body; the fan assembly includes a plurality of impellers 13, referred to as a rotor, which impellers 13 are rotatable about bearings to generate an air flow.
In the embodiment of the present invention, the driving motor 12 includes a bearing and an outer frame for fixing the plurality of impellers 13; the bearing of the driving motor 12 can rotate around the axis of the body under the action of electromagnetic force, and the fan blade formed by the plurality of impellers 13 is fixed on the bearing of the driving motor 12, so that the driving motor 12 can drive the fan blade to rotate. Here, the bearings are classified into at least the following: roller bearings, oil-retaining bearings, ceramic bearings, hydraulic bearings.
In the embodiment of the present invention, the plurality of impellers 13 are distributed around the axis, wherein the larger the inclination angle of the impeller 13 is, the larger the pressure difference between the upper surface and the lower surface of the impeller 13 is, and the larger the wind pressure is at the same rotation speed, so that the inclination angle of the impeller 13 can be adjusted to change the wind speed. Here, the inclination angle of the impeller 13 refers to an angle of the impeller 13 with respect to a plane perpendicular to the bearing.
In the embodiment of the invention, the impeller 13 is slightly bent towards the rotating direction and has a certain radian, so that the air flow can be ensured to be concentrated in a cylindrical space right in front of the air outlet, and the air supply distance and the air pressure are increased.
In the embodiment of the present invention, the number of the impellers 13 is odd, for example, 7, 9, 11, etc., and if the even number of the impellers 13 is used, the fan is likely to resonate, and further, the impellers 13 or the bearings are likely to break.
Noise is generated due to mutual interference between flowing air; the faster the air flow speed, the more the turbulence, the higher the noise, and the morphological parameters of at least one impeller 13 of the plurality of impellers 13 in the embodiment of the present invention are inconsistent with those of the other impellers 13, so that the wind speeds of the air flows generated by the impellers 13 are different, and the sound peaks and the sound valleys of the generated sound waves are overlapped in a staggered manner, and the noise intensity is lower.
In the embodiment of the invention, the different wind speeds of the air outlets mean that the sizes and/or directions of the wind speeds are different.
In the embodiment of the invention, the thickness of each impeller 13 is different, so that the wind speed of the airflow generated by each impeller 13 is different, the wave crests and wave troughs of the sound of the airflow are overlapped in a staggered manner, and the noise is reduced.
Fig. 2 is a schematic structural component diagram of a fan according to a second embodiment of the present invention, and as shown in fig. 2, the fan in this example includes a housing 21 and a fan assembly, where the fan assembly is disposed on the housing 21; the housing 21 comprises an air outlet, and the fan assembly comprises a driving motor 22 and a plurality of impellers 23 driven by the driving motor 22; wherein,
the pitch of at least two impellers 23 among the plurality of impellers 23 is different from the pitch of the other impellers 23.
In the embodiment of the present invention, the housing 21 of the fan, also referred to as a fan frame, can constrain the airflow driven by the impeller 23, and control the outflow direction thereof, so that the airflow flows to the air outlet in a concentrated manner.
In the embodiment of the present invention, the material and structure of the housing 21 of the fan need to satisfy a certain strength to bear physical impact to a certain extent, so as to protect the fan assembly. Therefore, the casing 21 of the fan may be made of a plastic having a high hardness.
In the embodiment of the invention, the fan assembly is arranged on the shell 21, the driving motor 22 included in the fan assembly is called as a stator, the position of the driving motor 22 is fixed, and the driving motor 22 rotates around the axis of the body; the fan assembly includes a plurality of impellers 23, referred to as a rotor, which impellers 23 are rotatable about bearings to generate an airflow.
In the embodiment of the present invention, the driving motor 22 includes a bearing and an outer frame for fixing the plurality of impellers 23; the bearing of the driving motor 22 can rotate around the axis of the body under the action of electromagnetic force, and the fan blade formed by the plurality of impellers 23 is fixed on the bearing of the driving motor 22, so that the driving motor 22 can drive the fan blade to rotate. Here, the bearings are classified into at least the following: roller bearings, oil-retaining bearings, ceramic bearings, hydraulic bearings.
In the embodiment of the present invention, the plurality of impellers 23 are distributed around the axis, wherein the larger the inclination angle of the impeller 23 is, the larger the pressure difference between the upper surface and the lower surface of the impeller 23 is, and the larger the wind pressure is at the same rotation speed, so that the inclination angle of the impeller 23 can be adjusted to change the wind speed. Here, the inclination angle of the impeller 23 refers to an angle of the impeller 23 with respect to a plane perpendicular to the bearing.
In the embodiment of the invention, the impeller 23 is slightly bent towards the rotating direction and has a certain radian, so that the air flow can be ensured to be concentrated in a cylindrical space right in front of the air outlet, and the air supply distance and the air pressure are increased.
In the embodiment of the present invention, the number of the impellers 23 is odd, for example, 7, 9, 21, etc., and if even number of the impellers 23 are used, the fan is likely to resonate, and the impellers 23 or the bearings are likely to break.
Noise is generated due to mutual interference between flowing air; the faster the air flow speed, the more the turbulence, the higher the noise, and the morphological parameters of at least one impeller 23 of the plurality of impellers 23 in the embodiment of the present invention are inconsistent with the morphological parameters of the other impellers 23, so that the wind speeds of the air flows generated by the impellers 23 are different, and the sound peaks and the sound valleys of the generated sound waves are overlapped in a staggered manner, and the noise intensity is lower.
In the embodiment of the invention, the different wind speeds of the air outlets mean that the sizes and/or directions of the wind speeds are different.
In the embodiment of the present invention, the pitch distribution of the impellers 23 is uneven, which causes the wind speed of the airflow generated by the impellers 23 to be different, so that the wave crests and wave troughs of the sound of the airflow are overlapped in a staggered manner, thereby reducing the noise.
Fig. 3 is a schematic structural component diagram of a fan according to a third embodiment of the present invention, and as shown in fig. 3, the fan in this example includes a housing 31 and a fan assembly, and the fan assembly is disposed on the housing 31; the housing 31 includes an air outlet, and the fan assembly includes a driving motor 32 and a plurality of impellers 33 driven by the driving motor 32; wherein,
the inclination angle of at least one impeller 33 in the plurality of impellers 33 is not consistent with that of the other impellers 33.
In the embodiment of the present invention, the housing 31 of the fan, also referred to as a fan frame, can constrain the airflow driven by the impeller 33, and control the outflow direction thereof, so that the airflow flows to the air outlet in a concentrated manner.
In the embodiment of the present invention, the material and structure of the housing 31 of the fan need to satisfy a certain strength to bear physical impact to a certain extent, so as to protect the fan assembly. Therefore, the casing 31 of the fan may be made of a hard plastic.
In the embodiment of the present invention, the fan assembly is disposed on the housing 31, the driving motor 32 included in the fan assembly is called a stator, the position of the driving motor 32 is fixed, and the driving motor 32 rotates around the axis of the body; the fan assembly includes a plurality of impellers 33, referred to as a rotor, which impellers 33 are rotatable about bearings to generate an airflow.
In the embodiment of the present invention, the driving motor 32 includes a bearing and an outer frame for fixing the plurality of impellers 33; the bearing of the driving motor 32 can rotate around the axis of the body under the action of electromagnetic force, and the fan blade formed by the plurality of impellers 33 is fixed on the bearing of the driving motor 32, so that the driving motor 32 can drive the fan blade to rotate. Here, the bearings are classified into at least the following: roller bearings, oil-retaining bearings, ceramic bearings, hydraulic bearings.
In the embodiment of the present invention, the plurality of impellers 33 are distributed around the axis, wherein the larger the inclination angle of the impeller 33 is, the larger the pressure difference between the upper surface and the lower surface of the impeller 33 is, and the larger the wind pressure is at the same rotation speed, so that the inclination angle of the impeller 33 can be adjusted to change the wind speed. Here, the inclination angle of the impeller 33 refers to an angle of the impeller 33 with respect to a plane perpendicular to the bearing.
In the embodiment of the present invention, the impeller 33 is slightly curved toward the rotation direction and has a certain radian, so that the air flow can be ensured to be concentrated in the columnar space right in front of the air outlet, and the air supply distance and the air pressure can be increased.
In the embodiment of the present invention, the number of the impellers 33 is odd, for example, 7, 9, 31, etc., and if even number of the impellers 33 are used, the fan is likely to resonate, and further, the impellers 33 or the bearings are likely to break.
Noise is generated due to mutual interference between flowing air; the faster the air flow speed, the more the turbulence, the higher the noise, and the morphological parameters of at least one impeller 33 of the plurality of impellers 33 of the embodiment of the present invention are inconsistent with the morphological parameters of the other impellers 33, so that the wind speeds of the air flows generated by the respective impellers 33 are different, and the sound peaks and the sound valleys of the generated sound waves are overlapped in a staggered manner, and the noise intensity is lower.
In the embodiment of the invention, the different wind speeds of the air outlets mean that the sizes and/or directions of the wind speeds are different.
In the embodiment of the present invention, the inclination angles of the impellers 33 are not the same, which causes the wind speeds of the airflows generated by the impellers 33 to be different, so that the wave crests and wave troughs of the sound of the airflow are overlapped in a staggered manner, thereby reducing the noise.
Fig. 4 is a schematic structural component diagram of a fan according to a fourth embodiment of the present invention, and as shown in fig. 4, the fan in this example includes a housing 41 and a fan assembly, and the fan assembly is disposed on the housing 41; the housing 41 includes an air outlet, and the fan assembly includes a driving motor 42 and a plurality of impellers 43 driven by the driving motor 42; wherein,
the radian of at least one impeller 43 in the plurality of impeller 43 wheels is not consistent with the radians of other impellers 43.
In the embodiment of the present invention, the housing 41 of the fan, also referred to as a fan frame, can constrain the airflow driven by the impeller 43, and control the outflow direction thereof, so that the airflow flows to the air outlet in a concentrated manner.
In the embodiment of the present invention, the material and structure of the housing 41 of the fan need to satisfy a certain strength to bear physical impact to a certain extent, so as to protect the fan assembly. Therefore, the casing 41 of the fan can be made of a hard plastic.
In the embodiment of the present invention, the fan assembly is disposed on the housing 41, the driving motor 42 included in the fan assembly is called a stator, the position of the driving motor 42 is fixed, and the driving motor 42 rotates around the axis of the body; the fan assembly includes a plurality of impellers 43, referred to as a rotor, which impellers 43 are rotatable about bearings to generate an airflow.
In the embodiment of the present invention, the driving motor 42 includes a bearing and an outer frame for fixing the plurality of impellers 43; the bearing of the driving motor 42 can rotate around the axis of the body under the action of electromagnetic force, and the fan blade formed by the plurality of impellers 43 is fixed on the bearing of the driving motor 42, so that the driving motor 42 can drive the fan blade to rotate. Here, the bearings are classified into at least the following: roller bearings, oil-retaining bearings, ceramic bearings, hydraulic bearings.
In the embodiment of the present invention, the plurality of impellers 43 are distributed around the axis, wherein the larger the inclination angle of the impeller 43 is, the larger the pressure difference between the upper surface and the lower surface of the impeller 43 is, and the larger the wind pressure is at the same rotation speed, so that the inclination angle of the impeller 43 can be adjusted to change the wind speed. Here, the inclination angle of the impeller 43 means an angle of the impeller 43 with respect to a plane perpendicular to the bearing.
In the embodiment of the present invention, the impeller 43 is slightly curved toward the rotation direction and has a certain radian, so that the air flow can be ensured to be concentrated in the columnar space right in front of the air outlet, and the air supply distance and the air pressure are increased.
In the embodiment of the present invention, the number of the impellers 43 is odd, for example, 7, 9, 41, etc., and if the even number of the impellers 43 is used, the fan is likely to resonate, and further the impellers 43 or the bearings are likely to break.
Noise is generated due to mutual interference between flowing air; the faster the air flow speed, the more the turbulence, the higher the noise, and the morphological parameters of at least one impeller 43 of the plurality of impellers 43 of the embodiment of the present invention are inconsistent with the morphological parameters of the other impellers 43, so that the wind speeds of the air flows generated by the respective impellers 43 are different, and the sound peaks and the sound valleys of the generated sound waves are overlapped in a staggered manner, and the noise intensity is lower.
In the embodiment of the invention, the different wind speeds of the air outlets mean that the sizes and/or directions of the wind speeds are different.
In the embodiment of the invention, the radians of the impellers 43 are not consistent, so that the wind speeds of the airflow generated by the impellers 43 are different, the wave crests and wave troughs of the sound of the airflow are overlapped in a staggered manner, and the noise is reduced.
An embodiment of the present invention further provides an electronic device, where the electronic device includes: the fan comprises a body and a fan arranged on the body; the fan comprises a shell and a fan assembly, wherein the fan assembly is arranged on the shell; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
the thickness of at least one impeller in the impellers is different from the thickness of other impellers, so that the wind speeds of the impellers flowing to the air outlet are different.
It will be appreciated by those skilled in the art that the fans in the electronic devices described above can be understood with reference to the associated description of the fans set forth above.
An embodiment of the present invention further provides an electronic device, including: the fan comprises a body and a fan arranged on the body; the fan comprises a shell and a fan assembly, wherein the fan assembly is arranged on the shell; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
the space between at least two impellers in the plurality of impellers is different from the space between other impellers.
It will be appreciated by those skilled in the art that the fans in the electronic devices described above can be understood with reference to the associated description of the fans set forth above.
An embodiment of the present invention further provides an electronic device, where the electronic device includes: the fan comprises a body and a fan arranged on the body; the fan comprises a shell and a fan assembly, wherein the fan assembly is arranged on the shell; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
the inclination angle of at least one impeller in the impellers is inconsistent with the inclination angles of other impellers.
It will be appreciated by those skilled in the art that the fans in the electronic devices described above can be understood with reference to the associated description of the fans set forth above.
An eighth embodiment of the present invention further provides an electronic device, including: the fan comprises a body and a fan arranged on the body; the fan comprises a shell and a fan assembly, wherein the fan assembly is arranged on the shell; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
the radian of the blade of at least one of the impellers is different from the radians of the blades of other impellers.
It will be appreciated by those skilled in the art that the fans in the electronic devices described above can be understood with reference to the associated description of the fans set forth above.
In the several embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only a logical functional division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as a removable memory device, a Read Only Memory (ROM), a magnetic disk, or an optical disk.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: various media that can store program codes, such as a removable memory device, a Read Only Memory (ROM), a magnetic disk, or an optical disk.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims (12)

1. A fan comprising a housing and a fan assembly, the fan assembly being disposed on the housing; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
at least two impellers in the impellers have different morphological parameters, so that the wind speeds of the impellers flowing to the air outlet are different.
2. The electronic device of claim 1, wherein the form parameter characterizes a thickness of the impeller;
correspondingly, the morphological parameters of at least two impellers in the plurality of impellers are inconsistent and are as follows:
the thickness of at least one impeller in the impellers is different from the thickness of other impellers.
3. The electronic device of claim 1, wherein the morphological parameter characterizes a distribution density of the impeller;
correspondingly, the morphological parameters of at least two impellers in the plurality of impellers are inconsistent and are as follows:
the space between at least two impellers in the plurality of impellers is different from the space between other impellers.
4. The electronic device of claim 1, wherein the form parameter characterizes a tilt angle of the impeller;
correspondingly, the morphological parameters of at least two impellers in the plurality of impellers are inconsistent and are as follows:
the inclination angle of at least one impeller in the impellers is inconsistent with the inclination angles of other impellers.
5. The electronic device of claim 1, wherein the form parameter characterizes a blade camber of the impeller;
correspondingly, the morphological parameters of at least two impellers in the plurality of impellers are inconsistent and are as follows:
the radian of the blade of at least one of the impellers is different from the radians of the blades of other impellers.
6. The electronic device of any of claims 1-5, wherein the number of blades of the impeller is odd.
7. An electronic device, the electronic device comprising: the fan comprises a body and a fan arranged on the body; the fan comprises a shell and a fan assembly, wherein the fan assembly is arranged on the shell; the shell comprises an air outlet, and the fan assembly comprises a driving motor and a plurality of impellers driven by the driving motor; wherein,
at least two impellers in the impellers have different morphological parameters, so that the wind speeds of the impellers flowing to the air outlet are different.
8. The electronic device of claim 7, wherein the form parameter characterizes a thickness of the impeller;
correspondingly, the morphological parameters of at least two impellers in the plurality of impellers are inconsistent and are as follows:
the thickness of at least one impeller in the impellers is different from the thickness of other impellers.
9. The electronic device of claim 7, wherein the morphological parameter characterizes a distribution density of the impeller;
correspondingly, the morphological parameters of at least two impellers in the plurality of impellers are inconsistent and are as follows:
the space between at least two impellers in the plurality of impellers is different from the space between other impellers.
10. The electronic device of claim 7, wherein the form parameter characterizes a tilt angle of the impeller;
correspondingly, the morphological parameters of at least two impellers in the plurality of impellers are inconsistent and are as follows:
the inclination angle of at least one impeller in the impellers is inconsistent with the inclination angles of other impellers.
11. The electronic device of claim 7, wherein the form parameter characterizes a blade camber of the impeller;
correspondingly, the morphological parameters of at least two impellers in the plurality of impellers are inconsistent and are as follows:
the radian of the blade of at least one of the impellers is different from the radians of the blades of other impellers.
12. The electronic device of any of claims 7-11, wherein the number of blades of the impeller is odd.
CN201410307929.9A 2014-06-30 2014-06-30 Fan and electronic equipment Pending CN105201876A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111664116A (en) * 2019-03-05 2020-09-15 宏碁股份有限公司 Heat radiation fan
US11268525B2 (en) 2018-12-18 2022-03-08 Acer Incorporated Heat dissipation fan

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Publication number Priority date Publication date Assignee Title
GB287448A (en) * 1927-03-19 1928-05-24 Bbc Brown Boveri & Cie Improvements in the rotors of centrifugal compressors
US5044887A (en) * 1988-12-06 1991-09-03 Johnston Engineering Limited Blower fan impellers
CN2697716Y (en) * 2004-04-27 2005-05-04 力致科技股份有限公司 Business machine centrifugal cooling fan blade configuration structure
CN101285484A (en) * 2007-04-10 2008-10-15 台达电子工业股份有限公司 Fan and impeller thereof
CN101676568A (en) * 2008-09-16 2010-03-24 建准电机工业股份有限公司 Heat radiation fan wheel
CN103423194A (en) * 2012-05-22 2013-12-04 富瑞精密组件(昆山)有限公司 Fan blade

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB287448A (en) * 1927-03-19 1928-05-24 Bbc Brown Boveri & Cie Improvements in the rotors of centrifugal compressors
US5044887A (en) * 1988-12-06 1991-09-03 Johnston Engineering Limited Blower fan impellers
CN2697716Y (en) * 2004-04-27 2005-05-04 力致科技股份有限公司 Business machine centrifugal cooling fan blade configuration structure
CN101285484A (en) * 2007-04-10 2008-10-15 台达电子工业股份有限公司 Fan and impeller thereof
CN101676568A (en) * 2008-09-16 2010-03-24 建准电机工业股份有限公司 Heat radiation fan wheel
CN103423194A (en) * 2012-05-22 2013-12-04 富瑞精密组件(昆山)有限公司 Fan blade

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11268525B2 (en) 2018-12-18 2022-03-08 Acer Incorporated Heat dissipation fan
CN111664116A (en) * 2019-03-05 2020-09-15 宏碁股份有限公司 Heat radiation fan

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