CN219176647U - Centrifugal fan heat dissipation channel - Google Patents
Centrifugal fan heat dissipation channel Download PDFInfo
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- CN219176647U CN219176647U CN202223612436.5U CN202223612436U CN219176647U CN 219176647 U CN219176647 U CN 219176647U CN 202223612436 U CN202223612436 U CN 202223612436U CN 219176647 U CN219176647 U CN 219176647U
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- fan
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- heat dissipation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses a centrifugal fan radiating channel which is arranged on a fan shell, wherein a motor and a centrifugal fan are arranged in the fan shell, a fan air inlet is formed in one end, close to the centrifugal fan, of the fan shell, a fan air outlet which is correspondingly communicated with the periphery of the centrifugal fan is formed in the side surface of the fan shell, and a negative pressure cavity is correspondingly formed in the position, corresponding to the fan air outlet, of the fan shell; a motor air inlet is formed in one end, close to the fan, of the fan shell, a motor heat dissipation opening which is correspondingly communicated with the fan is formed in the side surface of the fan shell, and the motor heat dissipation opening corresponds to the negative pressure cavity; the device utilizes the air outlet of the fan to form a negative pressure cavity on the surface of the fan shell, and utilizes the negative pressure principle of the negative pressure cavity to ensure that the gas flowing through the motor carries heat to be discharged, and has simple structure and reasonable design.
Description
Technical Field
The utility model relates to the field of fans, in particular to a centrifugal fan heat dissipation channel.
Background
The traditional dust collector fan drives the air in the front of the fan to move to the rear through the fan blades, so that the effect of sucking dust particles through the suction port of the dust collector is achieved, and compared with the traditional fan, the centrifugal fan has the advantages of being strong in practicability, low in noise and stable in operation. Meanwhile, the centrifugal fan changes the flow direction of the medium in the air pipe, the extracted negative pressure is high, and the suction force is high, but the extracted gas cannot pass through the driving motor due to the limitation of the air pipe, so that the motor driving the fan blades to rotate is difficult to dissipate heat.
The centrifugal fan comprises a motor, the output end of the motor is correspondingly provided with the centrifugal fan, the motor and the centrifugal fan outer cover are provided with a fan shell, so that when the centrifugal fan improves the suction force at the suction port, external air flows through the surface of the motor to cool the motor, and therefore a heat dissipation channel is designed on the fan shell to realize that the motor for driving the fan to rotate has a good cooling effect.
Disclosure of Invention
The utility model provides a centrifugal fan heat dissipation channel.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the centrifugal fan cooling channel is arranged on a fan shell, a motor and a centrifugal fan are arranged in the fan shell, a fan air inlet is formed in one end, close to the centrifugal fan, of the fan shell, a fan air outlet which is correspondingly communicated with the periphery of the centrifugal fan is formed in the side surface of the fan shell, and a negative pressure cavity is correspondingly formed in the position, corresponding to the fan air outlet, of the fan shell; the fan shell is close to one end of the fan is provided with a motor air inlet, the side surface of the fan shell is provided with a motor heat dissipation port which is correspondingly communicated with the fan, and the motor heat dissipation port corresponds to the negative pressure cavity.
As a preferable technical scheme, the fan air outlet is an elongated side air outlet extending along the axial direction of the centrifugal fan, and the elongated side air outlet is correspondingly communicated with the periphery of the centrifugal fan.
As an optimized technical scheme, the motor cooling port is arranged on the fan shell and is close to the joint between the motor and the centrifugal fan.
As the preferable technical scheme, a plurality of groups of motors and centrifugal fans are arranged in the fan shell, one fan air inlet, one fan air outlet and a negative pressure cavity are respectively arranged on the fan shell corresponding to each centrifugal fan, and one motor air inlet and one motor heat dissipation opening are respectively arranged on the fan shell corresponding to each motor.
Due to the adoption of the technical scheme, the centrifugal fan radiating channel is arranged on the fan shell, the motor and the centrifugal fan are arranged in the fan shell, a fan air inlet is formed in one end, close to the centrifugal fan, of the fan shell, a fan air outlet which is correspondingly communicated with the periphery of the centrifugal fan is formed in the side surface of the fan shell, and a negative pressure cavity is correspondingly formed in the position, corresponding to the fan air outlet, of the fan shell; a motor air inlet is formed in one end, close to the fan, of the fan shell, a motor heat dissipation opening which is correspondingly communicated with the fan is formed in the side surface of the fan shell, and the motor heat dissipation opening corresponds to the negative pressure cavity; the beneficial effects of the utility model are as follows: the device utilizes the air outlet of the fan to form a negative pressure cavity on the surface of the fan shell, and utilizes the negative pressure principle of the negative pressure cavity to ensure that the gas flowing through the motor carries heat to be discharged, and has simple structure and reasonable design.
Drawings
The following drawings are only for purposes of illustration and explanation of the present utility model and are not intended to limit the scope of the utility model.
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a schematic view of a blower housing according to an embodiment of the utility model;
in the figure: 1-a fan housing; 2-an electric motor; 3-a centrifugal fan; 4-a fan air inlet; 5-a fan air outlet; 6-a negative pressure cavity; 7, a motor air inlet; 8-motor heat dissipation port.
Detailed Description
The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples. In the following detailed description, certain exemplary embodiments of the present utility model are described by way of illustration only. It is needless to say that the person skilled in the art realizes that the described embodiments may be modified in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive in scope.
As shown in fig. 1 and 2, a centrifugal fan heat dissipation channel is arranged on a fan housing 1, a motor 2 and a centrifugal fan 3 are installed in the fan housing 1, a fan air inlet 4 is formed in one end, close to the centrifugal fan 3, of the fan housing 1, a fan air outlet 5 which is correspondingly communicated with the periphery of the centrifugal fan 3 is formed in the side surface of the fan housing 1, and a negative pressure cavity 6 is correspondingly formed in the fan housing 1 corresponding to the fan air outlet 5; the fan housing 1 is close to the one end of fan is equipped with motor air intake 7, the side surface of fan housing 1 be equipped with the motor cooling mouth 8 that the fan corresponds the intercommunication, motor cooling mouth 8 with negative pressure chamber 6 corresponds. The wind path formed between the fan air inlet 4 and the fan air outlet 5 is formed by the rotation of the fan, when the fan rotates, the wind is forced to enter from the fan air inlet 4, passes through the axis of the centrifugal fan 3, is then discharged from the fan air outlet 5 at the periphery of the centrifugal fan 3, and forms a negative pressure area at the negative pressure cavity 6 after the wind is forced to be discharged; the wind path formed between the motor air inlet 7 and the motor heat dissipation port 8 is formed passively under the influence of negative pressure at the negative pressure cavity 6, wind enters from the fan air inlet and contacts the surface of the fan, heat around the surface of the fan is carried away, finally the wind is discharged from the fan heat dissipation port, and the wind flowing through the surface of the fan does not adopt any power, but realizes the heat dissipation of the fan by means of negative pressure, so that the fan has a simple structure and reasonable design.
The fan air outlet 5 is an elongated side air outlet extending along the axial direction of the centrifugal fan 3, and the elongated side air outlet is correspondingly communicated with the outer periphery of the centrifugal fan 3.
The motor cooling port 8 is arranged on the fan housing 1 and is close to the joint between the motor 2 and the centrifugal fan 3, so that more air can pass through the motor 2, and more heat is generated on the motor 2.
A plurality of groups of motors 2 and centrifugal fans 3 are arranged in the fan shell 1, a fan air inlet 4, a fan air outlet 5 and a negative pressure cavity 6 are respectively arranged on the fan shell 1 corresponding to each centrifugal fan 3, and a motor air inlet 7 and a motor heat dissipation opening 8 are respectively arranged on the fan shell 1 corresponding to each motor 2.
The working principle of the device is as follows:
when the centrifugal fan 3 rotates and runs, wind is sucked into the fan from the fan air inlet 4, the wind sucked into the fan is thrown out from the fan air outlet 5, and a negative pressure area is formed by the fan air outlet 5 and a negative pressure cavity 6 at the motor heat dissipation port 8; at this time, the external air can also pass through the motor 2 through the motor air inlet 7 and then is discharged through the motor heat dissipation port 8, and the external air flows through the interior of the motor 2, so that heat can be better taken away, and a better cooling effect is achieved for driving the motor 2 to rotate; the device utilizes the air outlet of the fan to form a negative pressure cavity 6 on the surface of the fan shell, and utilizes the negative pressure principle of the negative pressure cavity 6 to ensure that the gas flowing through the motor 2 carries heat to be discharged, and has simple structure and reasonable design.
The foregoing has shown and described the basic principles, main features and advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. The centrifugal fan cooling channel is arranged on the fan shell, and the motor and the centrifugal fan are arranged in the fan shell, and the centrifugal fan cooling channel is characterized in that: a fan air inlet is formed in one end, close to the centrifugal fan, of the fan shell, a fan air outlet which is correspondingly communicated with the periphery of the centrifugal fan is formed in the side surface of the fan shell, and a negative pressure cavity is correspondingly formed in the fan shell, corresponding to the fan air outlet; the fan shell is close to one end of the fan is provided with a motor air inlet, the side surface of the fan shell is provided with a motor heat dissipation port which is correspondingly communicated with the fan, and the motor heat dissipation port corresponds to the negative pressure cavity.
2. The centrifugal fan heat dissipation path according to claim 1, wherein: the fan air outlet is an elongated side air outlet extending along the axial direction of the centrifugal fan, and the elongated side air outlet is correspondingly communicated with the periphery of the centrifugal fan.
3. The centrifugal fan heat dissipation path according to claim 1, wherein: the motor cooling port is arranged on the fan shell and is close to the joint between the motor and the centrifugal fan.
4. The centrifugal fan heat dissipation path according to claim 1, wherein: a plurality of groups of motors and centrifugal fans are arranged in the fan shell, a fan air inlet, a fan air outlet and a negative pressure cavity are respectively arranged on the fan shell corresponding to each centrifugal fan, and a motor air inlet and a motor heat dissipation opening are respectively arranged on the fan shell corresponding to each motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223612436.5U CN219176647U (en) | 2022-12-30 | 2022-12-30 | Centrifugal fan heat dissipation channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223612436.5U CN219176647U (en) | 2022-12-30 | 2022-12-30 | Centrifugal fan heat dissipation channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219176647U true CN219176647U (en) | 2023-06-13 |
Family
ID=86663809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223612436.5U Active CN219176647U (en) | 2022-12-30 | 2022-12-30 | Centrifugal fan heat dissipation channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219176647U (en) |
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2022
- 2022-12-30 CN CN202223612436.5U patent/CN219176647U/en active Active
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