CN213094756U - Air duct heat dissipation device - Google Patents
Air duct heat dissipation device Download PDFInfo
- Publication number
- CN213094756U CN213094756U CN202022174681.7U CN202022174681U CN213094756U CN 213094756 U CN213094756 U CN 213094756U CN 202022174681 U CN202022174681 U CN 202022174681U CN 213094756 U CN213094756 U CN 213094756U
- Authority
- CN
- China
- Prior art keywords
- air duct
- air
- wind channel
- fan
- centrifugal fan
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application discloses wind channel heat abstractor, including wind channel subassembly, unable adjustment base, motor element, centrifugal fan blade and radiator fan, the wind channel subassembly has air intake and air outlet, the air intake with the air outlet intercommunication is in the inside radiating wind channel that forms of wind channel subassembly, unable adjustment base install in the air intake department of wind channel subassembly, motor element is located in the radiating wind channel, just motor element locates on the unable adjustment base, motor element has the output shaft, centrifugal fan blade locates on the output shaft, radiator fan locates the air outlet department of wind channel subassembly, radiator fan with the operation of centrifugal fan blade is synchronous or asynchronous. The utility model provides a wind channel heat abstractor can directional wind-guiding, and the radiating efficiency is high, and also has good radiating effect at motor element low-speed during operation, greatly reduced motor element because of the overheated risk that produces inefficacy and safety problem of temperature.
Description
Technical Field
The utility model relates to a food cooking equipment technical field especially relates to a wind channel heat abstractor.
Background
With the development of science and technology and the improvement of living standard, people often use food cooking equipment to process various foods in daily life, such as blenders, soup cooking machines, dough kneaders, chefs and the like. To the edible material of different kinds, food cooking equipment accomplishes through loading various knife tackle spares and the corresponding stirring rotational speed of cooperation. The motor of high input power of high rotational speed produces a large amount of heats as food cooking equipment's key part in the work, and motor high temperature can lead to the wire insulating layer to melt, and then leads to its bearing accelerated wear ageing for other electrical parts exceed the bearable temperature and damage in the machine, finally cause the unsatisfied life requirement of machine to lose efficacy in advance, can produce incident such as conflagration, explosion even.
Food cooking equipment in the market generally only adopts motor blades for heat dissipation, and the motor blades and the output shaft of the motor power shaft rotate at the same speed during working; when the motor works at low speed, the air volume of the fan blades of the motor is small, large air flow cannot be formed, and the heat of the motor cannot be discharged. In addition, a motor heat dissipation air duct for guiding air directionally is not arranged in the common equipment, hot air is sucked from the air inlet when being discharged, so that dead circulation is formed, and the heat dissipation efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a to above-mentioned problem, a wind channel heat abstractor is proposed, can directional wind-guiding, the radiating efficiency is high, and also has good radiating effect at motor element low-speed during operation, greatly reduced motor element because of the overheated risk that produces inefficacy and safety problem of temperature.
The utility model adopts the following technical scheme: the utility model provides a pair of wind channel heat abstractor, including wind channel subassembly, unable adjustment base, motor element, centrifugal fan blade and radiator fan, the wind channel subassembly has air intake and air outlet, the air intake with the air outlet intercommunication is in the inside radiating wind channel that forms of wind channel subassembly, unable adjustment base install in the air intake department of wind channel subassembly, motor element is located in the radiating wind channel, just motor element locates on the unable adjustment base, motor element has the output shaft, centrifugal fan blade locates on the output shaft, radiator fan locates the air outlet department of wind channel subassembly, radiator fan with the operation of centrifugal fan blade is synchronous or asynchronous.
In an embodiment of the present invention, the air duct assembly includes an air duct body and a fan cover, the fan cover is installed in one side of the air duct body forms a 7-shaped structure, the motor assembly and the centrifugal fan blade is located in the air duct body, the heat dissipation fan is located in the fan cover.
In an embodiment of the present invention, the rotating circular surface of the heat dissipation fan is perpendicular to the rotating circular surface of the centrifugal fan blade.
In an embodiment of the present invention, a height difference between the rotation axis point of the heat dissipation fan and the rotation axis point of the centrifugal fan blade is less than 20 mm.
In an embodiment of the present invention, the motor assembly and the inner wall of the air duct body have a gap therebetween, and the gap is not smaller than 2 mm.
In an embodiment of the present invention, the inner wall of the air duct body is smooth.
In an embodiment of the present invention, the fan cover is provided with a wind guide inclined plane for guiding wind.
In an embodiment of the present invention, the air duct body and the fan cover are a split structure.
In an embodiment of the present invention, the centrifugal fan blade includes a connecting post having a connecting hole and a plurality of blades evenly arranged on the connecting post, a side surface formed by the plurality of blades is a plane, an annular fixing member is arranged on the plane, and the plane is kept away from the motor assembly.
In an embodiment of the present invention, the other side surface formed by the plurality of blades has a guiding groove recessed toward the plane direction.
The utility model has the advantages that: the utility model provides a wind channel heat abstractor is provided with two radiating parts, one is the centrifugal fan blade that sets up on motor element's output shaft, another is radiator fan, under operating condition, when motor element moves, can drive centrifugal fan blade rotatory together, simultaneously, radiator fan connects the electric rotation, radiator fan and centrifugal fan blade's synchronous operation promptly, take the inside hot-air of radiating wind channel out, promote the air circulation flow, realize the purpose of dual heat dissipation protection to motor element. When the motor assembly works at a low speed, the rotating speed of the motor assembly is low, the rotating speed of the centrifugal fan blade driven by the motor assembly is directly low, hot air in the radiating air duct can still be discharged by the aid of the radiating fan at the moment, and after the motor assembly is stopped, the centrifugal fan blade stops working, but the radiating fan can still work in a delayed mode, and residual heat generated by the motor assembly is continuously dissipated. The motor component has the advantages that the risk of failure and safety problems caused by overheating of the motor component due to temperature is greatly reduced, and the motor component is particularly suitable for small household appliances with low rotating speed and high torque, such as dough kneaders, cooks and the like. The motor assembly is arranged close to the air inlet, so that the normal-temperature gas entering from the outside can act on the motor assembly conveniently, and the motor assembly can be cooled conveniently. In addition, the directional heat dissipation air duct is arranged, the directions of hot air flow discharge and cold air flow supplement are effectively planned, the heat dissipation effect of the motor assembly can be efficiently achieved, and the service life of the machine and the use safety of a user are guaranteed.
Drawings
FIG. 1 is an exploded view of the air duct heat sink of the present invention;
FIG. 2 is a cross-sectional view of the air duct heat sink of the present invention;
fig. 3 is a schematic structural view of the fixing base of the present invention;
fig. 4 is a schematic structural view of the centrifugal fan blade of the present invention;
fig. 5 is a schematic structural view of the air duct body of the present invention;
fig. 6 is a schematic structural view of the fan cover of the present invention;
fig. 7 is a heat dissipation diagram of the air duct heat dissipation device of the present invention.
The figures are numbered: 1. an air duct assembly; 2. a fixed base; 3. a motor assembly; 4. a centrifugal fan blade; 5. a heat radiation fan; 11. an air duct body; 12. a fan cover; 31. an output shaft; 41. connecting columns; 42. a blade; 43. a ring-shaped fixing member; 44. a diversion trench; 121. an air guide inclined plane; the arrow 101 indicates the normal temperature air flow direction; the arrows indicated at 102 are the hot air flow direction.
Detailed Description
The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.
Please refer to fig. 1-7, the utility model provides an air duct heat abstractor, including air duct component 1, unable adjustment base 2, motor element 3, centrifugal fan blade 4 and radiator fan 5, air duct component 1 has air intake and air outlet, air intake and air outlet intercommunication form the heat dissipation wind channel in air duct component 1 is inside, unable adjustment base 2 is installed in the air intake department of air duct component 1, motor element 3 is located the heat dissipation wind channel, and motor element 3 locates on unable adjustment base 2, motor element 3 has output shaft 31, centrifugal fan blade 4 locates on output shaft 31, radiator fan 5 locates the air outlet department of air duct component 1, radiator fan 5 and centrifugal fan blade 4's operation is synchronous or asynchronous.
The utility model provides an air duct heat abstractor has two heat dissipation parts, one is the centrifugal fan blade 4 that sets up on motor element 3's output shaft 31, another is radiator fan 5, under operating condition, when motor element 3 moves, can drive centrifugal fan blade 4 rotatory together, and simultaneously, radiator fan 5 connects the electric rotation, radiator fan 5 and centrifugal fan blade 4's synchronous operation promptly, take out the inside hot-air in heat dissipation air duct, promote the air circulation flow, realize the purpose of dual heat dissipation protection to motor element 3. When motor element 3 low-speed during operation, motor element 3's rotational speed is low, can directly lead to 4 rotational speeds of its driven centrifugal fan blade to be low, nevertheless can still rely on radiator fan 5 to discharge the inside hot-air in heat dissipation wind channel this moment, greatly reduced motor element 3 because of the overheated risk that produces inefficacy and safety problem of temperature, the specially adapted is in the little household electrical appliances product of the high moment of torsion of low rotational speed, like dough kneading machine, chef machine etc.. After the motor assembly 3 is stopped, the heat dissipation fan 5 continues to work until the temperature of the motor assembly 3 is reduced to a certain safe temperature value. Wherein, motor element 3 is close to the air intake setting, makes things convenient for the outside normal atmospheric temperature gas that gets into to act on motor element 3, makes things convenient for motor element 3's cooling. In addition, the directional heat dissipation air duct is arranged, the directions of hot air flow exhaust 102 and normal temperature air flow supplement 101 are effectively planned, the heat dissipation effect of the motor assembly 3 can be efficiently achieved, and the service life of the machine and the use safety of users are guaranteed.
Wherein, the fixed base 2 is provided with a through hole communicated with the outside so as to communicate the heat dissipation air duct with the outside. The motor assembly 3 may be an existing motor having a driving function. Wherein, the motor is provided with an NTC thermistor, when the temperature of the motor is overhigh, the heat radiation fan 5 can automatically delay the heat radiation until the temperature is reduced to a certain safe temperature value.
The heat radiation fan 5 is arranged at the air outlet of the air channel component 1 in a clamping, screw or other fixing mode, the fan rotor of the heat radiation fan 5 is subjected to directional rotation work through input current, and the fan rotor draws air outwards through the inclination angle of the fan blades; the motor component 3 is vertically arranged on the fixed seat through screws, machine thread screws or other fixing modes; the air duct component 1 is sleeved from the direction of the motor component 3 and is vertically arranged on the fixed seat in a clamping or other fixing mode; the centrifugal fan blade 4 is riveted on the output shaft 31 of the motor component 3 and is integrated with the output shaft 31, so that the surface of the fan blade is vertical to the power output shaft 31. When the centrifugal fan works, the output shaft 31 rotates to drive the centrifugal fan blades 4 to rotate in the same direction.
In one embodiment, the air duct assembly 1 includes an air duct body 11 and a fan cover 12, the fan cover 12 is installed on one side of the air duct body 11 to form a 7-shaped structure, the air inlet is located on one side of the air duct body 11 far away from the fan cover 12, the air outlet is located on the fan cover 12, the motor assembly 3 and the centrifugal fan blade 4 are located in the air duct body 11, and the heat dissipation fan 5 is located in the fan cover 12. Compared with the traditional straight ventilation channel, the 7-shaped air channel assembly 1 has smaller height and size and smaller space occupancy rate to food cooking equipment, so that the whole structure is simpler and more compact.
In an embodiment, the rotating circular surface of the heat dissipation fan 5 is perpendicular to the rotating circular surface of the centrifugal fan blade 4, so that the heat dissipation fan 5 can be adapted to the air duct assembly 1 with a 7-shaped structure, and the heat dissipation fan 5 can effectively discharge hot air thrown out by the centrifugal fan blade 4. The rotating round surface is formed when the cooling fan 5 or the centrifugal fan 4 rotates.
In one embodiment, the height difference between the rotation axis of the heat dissipation fan 5 and the rotation axis of the centrifugal fan 4 is less than 20 mm. The rotation axis point of the centrifugal fan blade 4 is the center position of the thickness of the centrifugal fan blade 4, and the rotation axis point of the cooling fan 5 is the center position of the cooling fan blade 42 inside the cooling fan 5 when rotating. The position of the rotating axis point of the heat radiation fan 5 is close to the position of the rotating axis point of the centrifugal fan blade 4, so that the hot air thrown out by the centrifugal fan blade 4 reaches the position of the heat radiation fan 5 as much as possible and is discharged by the heat radiation fan 5.
In one embodiment, the rotation axis point of the heat dissipation fan 5 is opposite to the rotation axis point of the centrifugal fan blade 4, that is, on the same horizontal line.
In an embodiment, a gap is formed between the motor assembly 3 and the inner wall of the air duct body 11, the gap is not smaller than 2mm, air flows smoothly, and external normal-temperature gas can fully contact with the outer wall of the motor assembly 3 after entering the heat dissipation air duct, so that the motor assembly 3 is cooled rapidly.
In one embodiment, the inner wall of the air duct body 11 is smooth, and the air flow resistance is small and smooth.
In one embodiment, the fan cover 12 is provided with an air guiding inclined plane 121 for guiding air so as to guide the hot air thrown by the centrifugal fan 4 into the heat dissipation fan 5 and then discharged by the heat dissipation fan 5.
In one embodiment, the air duct body 11 and the fan cover 12 are of a split structure, so that the installation of parts on the air duct body 11 and the fan cover 12 is facilitated, and the later maintenance is also facilitated.
In an embodiment, the centrifugal fan blade 4 includes a connection column 41 having a connection hole and a plurality of blades 42 uniformly disposed on the connection column 41, one side surface formed by the plurality of blades 42 is a plane, that is, one side surface of the centrifugal fan blade 4 is a plane, an annular fixing member 43 is disposed on the plane, an air flow formed by the centrifugal fan blade 4 can also pass through the middle of the annular fixing member 43, the connection column 41 and the blades 42 are disposed on the other side surface, the plane is disposed away from the motor assembly 3, that is, one side of the blades 42 protruding is close to the motor assembly 3. The centrifugal fan blade 4 is arranged on the output shaft 31 of the motor component 3 through a connecting hole on the connecting column 41. The blades 42 are perpendicular to the annular fixing member 43, and the hot air thrown by the centrifugal fan 4 can be thrown out from the gaps of the blades 42 to be sent to the cooling fan 5. The arrangement of the annular fixing piece 43 can enhance the structural strength of the plurality of blades 42, and further enhance the structural strength of the centrifugal fan blade 4.
In one embodiment, the other side of the plurality of blades 42 has a flow guiding groove 44 recessed toward the plane to increase the wind pressure and the flow of the wind.
The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an air flue heat abstractor, its characterized in that, includes wind channel subassembly, unable adjustment base, motor element, centrifugal fan blade and radiator fan, the wind channel subassembly has air intake and air outlet, the air intake with the air outlet intercommunication is in the inside radiating air duct that forms of wind channel subassembly, unable adjustment base install in the air intake department of wind channel subassembly, motor element is located in the radiating air duct, just motor element locates on the unable adjustment base, motor element has the output shaft, centrifugal fan blade locates on the output shaft, radiator fan locates the air outlet department of wind channel subassembly, radiator fan with centrifugal fan blade's operation is synchronous or asynchronous.
2. The air duct heat dissipating device according to claim 1, wherein the air duct assembly includes an air duct body and a fan cover, the fan cover is mounted on one side of the air duct body to form a 7-shaped structure, the motor assembly and the centrifugal fan are located in the air duct body, and the heat dissipating fan is located in the fan cover.
3. The air duct heat sink according to claim 2, wherein the rotation circular surface of the heat dissipating fan is perpendicular to the rotation circular surface of the centrifugal fan blade.
4. The air duct heat sink according to claim 3, wherein a height difference between a rotation axis point of the heat dissipating fan and a rotation axis point of the centrifugal fan blade is less than 20 mm.
5. The air duct heat sink according to claim 2, wherein there is a gap between the motor assembly and the inner wall of the air duct body, and the gap is not less than 2 mm.
6. The air duct heat sink according to claim 2, wherein the inner wall of the air duct body is smooth.
7. The air duct heat sink according to claim 2, wherein the fan cover is provided with an air guiding slope for guiding air.
8. The air duct heat sink of claim 2, wherein the air duct body and the fan cover are of a split construction.
9. The air duct heat sink according to claim 1, wherein the centrifugal fan blade includes a connecting post having a connecting hole and a plurality of blades uniformly disposed on the connecting post, one side surface formed by the plurality of blades is a plane on which an annular fixing member is disposed, and the plane is disposed away from the motor assembly.
10. The air duct heat sink according to claim 9, wherein the other side surface formed by the plurality of fins has a guide groove recessed in the plane direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022174681.7U CN213094756U (en) | 2020-09-28 | 2020-09-28 | Air duct heat dissipation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022174681.7U CN213094756U (en) | 2020-09-28 | 2020-09-28 | Air duct heat dissipation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213094756U true CN213094756U (en) | 2021-04-30 |
Family
ID=75613388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022174681.7U Active CN213094756U (en) | 2020-09-28 | 2020-09-28 | Air duct heat dissipation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213094756U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024088305A1 (en) * | 2022-10-25 | 2024-05-02 | 苏州宝时得电动工具有限公司 | Centrifugal fan, outer rotor motor and electric tool |
-
2020
- 2020-09-28 CN CN202022174681.7U patent/CN213094756U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024088305A1 (en) * | 2022-10-25 | 2024-05-02 | 苏州宝时得电动工具有限公司 | Centrifugal fan, outer rotor motor and electric tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20240209859A1 (en) | Pump and pump assembly | |
| EP2973957B1 (en) | Air-cooled electric machine and method of assembling the same | |
| CN105411433A (en) | Food processor's circulation ventilation device | |
| JP3201586U (en) | Air guide cover and fan device including the same | |
| CN213094756U (en) | Air duct heat dissipation device | |
| CN216056619U (en) | Motor with control fan | |
| CN107788841B (en) | food processor | |
| CN207884438U (en) | Motor, frame component and food cooking machine | |
| CN209285138U (en) | A kind of air channel structure of air fryer | |
| CN211270189U (en) | Food processor with good heat dissipation effect | |
| WO2020077794A1 (en) | Blade assembly and food processor having same | |
| CN212875595U (en) | Motor, hot air assembly and cooking utensil | |
| CN214674684U (en) | High heat dissipation variable frequency speed control motor rotor structure | |
| WO2017063259A1 (en) | Motor assembly used for washing machine and washing machine having same | |
| CN210373703U (en) | Stepless regulation direct-current variable-frequency air heater | |
| CN207777233U (en) | Centrifugal fan and cooking machine | |
| CN221205138U (en) | Air frying pan | |
| CN219432124U (en) | Centrifugal fan blade and cooking equipment | |
| CN206102485U (en) | Food cooking machine | |
| CN215424190U (en) | Base and cooking machine | |
| CN209883911U (en) | Food processor host and food processor | |
| CN113644774B (en) | Motor housing and motor | |
| CN110022032A (en) | Electric machine assembly and oven | |
| CN215686957U (en) | Upper cover subassembly and have its cooking utensil | |
| CN216776730U (en) | Head cover assembly with cold air outlet and hot air outlet simultaneously |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |