CN223169626U - Heat radiation structure of cooking machine frame - Google Patents
Heat radiation structure of cooking machine frameInfo
- Publication number
- CN223169626U CN223169626U CN202422040434.6U CN202422040434U CN223169626U CN 223169626 U CN223169626 U CN 223169626U CN 202422040434 U CN202422040434 U CN 202422040434U CN 223169626 U CN223169626 U CN 223169626U
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- China
- Prior art keywords
- motor
- mounting
- fan
- circuit board
- control circuit
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Abstract
The utility model discloses a heat radiation structure of a cooking machine base, which comprises a base shell, a motor and a control circuit board, wherein the motor and the control circuit board are arranged in the base shell, the motor comprises a motor main body and a driving shaft penetrating out to a mounting seat at the top of the base, a coupler is arranged on the motor, the motor is a brushless motor, the lower end of the driving shaft is connected with a fan, the fan rotates along with the driving shaft to roll air to form a downward blowing air channel, and the control circuit board is arranged below the fan and transversely arranged on the air channel.
Description
Technical Field
The utility model relates to the field of food processors, in particular to a heat dissipation structure of a food processor base.
Background
The cooking machine is a household appliance which is commonly used for assisting cooking in a kitchen, and comprises a base and a cooking cup, wherein the cooking cup is arranged on the base, a stirring knife is arranged in the cooking cup and is in transmission connection with a driving motor in the base through a transmission knife holder, and food materials in the cooking cup are stirred and crushed under the driving of the driving motor. When the driving motor and the electric control element in the machine base work, heat energy is generated due to work, and the high temperature generated by heat energy accumulation can damage the electronic parts, so that the driving motor and the electric control element are required to be radiated.
In the prior art, the fan is arranged below the driving motor, the motor shaft of the driving motor is synchronously driven, the driving motor and the electric control element are arranged in parallel, in order to achieve a better heat dissipation effect, a parallel double air channel is adopted to respectively dissipate heat for the driving motor and the electric control element, the motor and the fan are positioned in the same air channel, air is generally taken in by the air channel where the electric control element is positioned, then enters the air channel where the motor is positioned, and finally is blown out of the base by the fan to roll up air flow.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides a heat dissipation structure of a food processor base.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a heat radiation structure of cooking machine frame, includes the frame shell and arranges motor and the control circuit board in the frame shell in, the motor includes motor main part and wears out to the drive shaft that the shaft coupling was arranged to frame top mount pad, the motor is brushless motor, the drive shaft lower extreme is connected with the fan, the fan rotates the wind channel that the air formation was bloied downwards along with the drive shaft, the control circuit board is arranged in the fan below, transversal on the wind channel.
The motor is characterized in that a mounting column extending downwards is arranged in the housing of the machine base, and the bottom end of the mounting column is connected with a mounting bracket for fixing the motor and the control circuit board.
The mounting bracket comprises a mounting platform and a connecting column arranged at the side part of the mounting platform, wherein mounting lugs are sleeved on the mounting column on the side part of the motor main body, the connecting column and the mounting column are fixed through cross-connection fasteners and limit the mounting lugs on the mounting column, the mounting platform is positioned below the motor main body and corresponds to a fan and is provided with a ventilation opening which penetrates through the motor main body up and down, and a mounting cavity for accommodating a control circuit board is formed in the bottom surface of the mounting platform.
The inner hole of the installation lug is sleeved with a damping rubber ring, the damping rubber ring is provided with an upper surface and a lower surface, the upper end surface and the lower end surface of the upper surface cover the installation lug, and the damping rubber ring is clamped between the installation lug and the installation column and between the end surfaces of the connection columns.
The fan is disposed in the ventilation opening.
The top of the motor main body is provided with a motor air inlet, the bottom of the motor main body is also provided with a motor heat radiation opening, and the edge of the ventilation opening extends upwards to form a supporting annular wall to be in sealing abutting connection with the bottom of the motor main body.
And a gap is formed between the ventilation opening and the bottom of the motor main body to form a ventilation opening.
The electronic components of the control circuit board are arranged on the bottom surface, and a radiator is arranged aiming at the high temperature area.
The motor has the beneficial effects that the brushless motor is adopted, the temperature rise is low, the volume is small, therefore, enough space can be provided for arranging the control circuit board below the fan, the motor, the fan and the control circuit board are arranged in sequence from top to bottom, a single air channel for downward blowing is formed by rolling air through the fan, the heat of the motor and the control circuit board is taken away by air flow in the air channel, the heat dissipation purpose is achieved, the internal structure of the engine base is simpler, the volume of the engine base can be reduced, and the occupied space is reduced.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of a housing of the present utility model;
FIG. 2 is a schematic view of the housing of the present utility model;
FIG. 3 is a schematic airflow diagram of a first embodiment of the air duct of the present utility model;
FIG. 4 is a schematic airflow diagram of a second embodiment of the air duct of the present utility model.
Detailed Description
Referring to fig. 1 to 4, a heat dissipation structure of a food processor housing includes a housing case 1, and a motor 2 and a control circuit board 3 disposed in the housing case 1.
The motor 2 is a brushless motor and comprises a motor main body 21 and a driving shaft 22 penetrating out to a mounting seat at the top of the machine seat and provided with a coupler, the lower end of the driving shaft 22 is connected with a fan 4, because the brushless motor has the characteristics of low temperature rise and small volume, a sufficient space is reserved below the fan 4 for arranging a driving circuit board, the fan 4 rotates to roll air along with the driving shaft 22 to form a downward blowing air channel, the circuit board is arranged below the fan 4 and transversely arranged on the air channel, the motor 2 is positioned above the fan 4 and dissipates heat by taking away heat by air flow flowing on the air channel, and meanwhile, the air continuously flowing on the air channel can directly blow to the control circuit board 3 to take away heat of the motor to achieve synchronous heat dissipation of the motor 2 and the control circuit board 3.
As a preferred scheme of the utility model, in order to obtain the arrangement of the motor 2, the fan 4 and the driving circuit board from top to bottom, the motor 2 is hoisted by adopting a bracket, a mounting column 12 extending downwards is arranged in the machine base shell 1, and a mounting bracket 5 for fixing the motor 2 and the control circuit board 3 is connected to the bottom end of the mounting column 12. Specifically, the mounting bracket 5 comprises a mounting platform 51 and a connecting column 52 arranged at the edge of the mounting platform 51, a mounting lug 211 sleeved on the mounting column 12 is arranged at the side part of the motor main body 21, the connecting column 52 and the mounting column 12 are fixed through a penetrating fastener, the mounting lug 211 is limited on the mounting column 12 to realize lifting of the motor 2, the mounting platform 51 is positioned below the motor main body 21 and is provided with a ventilation opening 53 which penetrates through the fan 4 up and down, a mounting cavity 54 for accommodating the control circuit board 3 is formed in the bottom surface of the mounting platform 51, and the control circuit board 3 is arranged below the fan 4 after being arranged in the mounting cavity 54.
As a further preferred solution, the fan 4 is arranged in the ventilation opening 53, on the one hand to facilitate the compression of the space between the control circuit board 3 and the motor 2 and, on the other hand, to facilitate the realisation of the modification of the wind channel.
As the first embodiment of the wind channel, the top of the motor main body 21 is provided with the motor air inlet 23, the bottom is also provided with the motor heat dissipation port 24, a heat dissipation channel inside the motor 2 is formed between the motor air inlet 23 and the motor heat dissipation port 24, the edge of the ventilation opening 53 extends upwards to form a supporting annular wall 55 to be in sealing contact with the bottom of the motor main body 21, at this time, the heat dissipation channel inside the motor 2 is in sealing communication with the ventilation opening 53, and the wind channel airflow formed above the fan 4 completely takes away the working heat of the motor 2 through the inside of the motor 2.
As a second embodiment of the air duct, the ventilation opening 53 and the bottom of the motor main body 21 have a gap to form the ventilation opening 6, at this time, the motor main body 21 may also have a heat dissipation channel formed between the motor air inlet 23 and the motor heat dissipation opening 24, but a part of the air flow of the air duct formed above the fan 4 passes through the motor main body 21 to dissipate the heat of the motor 2, and another part directly enters the ventilation opening 53 through the ventilation opening 6 to directly blow to the control circuit board 3, so as to provide the air with a lower temperature for the control circuit board 3 to realize more efficient heat dissipation.
Preferably, the electronic components of the control circuit board 3 are arranged on the bottom surface and the electronic components with higher temperature are arranged in a concentrated manner according to the heating value to form a high-temperature area, a cavity part of the radiator 31 facing the engine base shell 1 is arranged in the high-temperature area, the radiator 31 is used for rapidly radiating heat from the inner cavity of the engine base shell 1, the engine base shell 1 is provided with a ventilation window communicated with the outside, and the fan 4 is used for realizing heat radiation convection with the outside through the ventilation window in the fan airflow.
Preferably, the inner hole of the mounting lug 211 is sleeved with a damping rubber ring 212, the damping rubber ring 212 is provided with an upper surface and a lower surface, the upper surface and the lower surface of the mounting lug 211 are covered by the upper end surface and the lower end surface, the damping rubber ring 212 is clamped between the mounting lug 211 and the mounting column 12 and between the mounting lug 211 and the end surface of the connecting column 52, so that the connection of the mounting lug 211 is soft connection, and vibration generated during the working of the motor 2 is relieved.
According to the utility model, the motor 2, the fan 4 and the control circuit board 3 are sequentially arranged from top to bottom, and the fan 4 is used for scrolling air to form a downward blowing single air channel, so that air flow in the air channel simultaneously takes away heat of the motor 2 and the control circuit board 3 to achieve the purpose of heat dissipation, the internal structure of the engine base is simpler, and the volume and the occupied space of the engine base can be reduced.
Claims (8)
1. The heat radiation structure of the cooking machine base comprises a base shell (1), and a motor (2) and a control circuit board (3) which are arranged in the base shell (1), wherein the motor (2) comprises a motor main body (21) and a driving shaft (22) which penetrates out to a mounting seat at the top of the base and is provided with a coupler, and the cooking machine base is characterized in that the motor (2) is a brushless motor, the lower end of the driving shaft (22) is connected with a fan (4), the fan (4) rotates along with the driving shaft (22) to roll air to form an air channel which blows downwards, and the control circuit board (3) is arranged below the fan (4) and transversely arranged on the air channel.
2. The heat radiation structure as claimed in claim 1, wherein a mounting column (12) extending downwards is arranged in the housing (1), and a mounting bracket (5) for fixing the motor (2) and the control circuit board (3) is connected to the bottom end of the mounting column (12).
3. The heat dissipation structure as set forth in claim 2, wherein the mounting bracket (5) comprises a mounting platform (51) and a connecting column (52) arranged at the edge of the mounting platform (51), mounting lugs (211) are sleeved on the mounting column (12) at the side of the motor main body (21), the connecting column (52) and the mounting column (12) are fixed through penetrating fasteners and limit the mounting lugs (211) on the mounting column (12), the mounting platform (51) is positioned below the motor main body (21) and is provided with ventilation openings (53) penetrating up and down corresponding to the fan (4), and a mounting cavity (54) for accommodating the control circuit board (3) is formed at the bottom surface of the mounting platform (51).
4. The heat dissipating structure of claim 3, wherein the inner hole of the mounting lug (211) is sleeved with a damping rubber ring (212), the damping rubber ring (212) has upper and lower end surfaces covering the upper and lower surfaces of the mounting lug (211), and the damping rubber ring (212) is clamped between the mounting lug (211) and the mounting column (12) and between the mounting lug (211) and the end surface of the connecting column (52).
5. A heat dissipating structure according to claim 3, wherein said fan (4) is arranged in a ventilation opening (53).
6. The heat radiation structure as set forth in claim 5, wherein the motor main body (21) has a motor air inlet (23) at its top and a motor heat radiation opening (24) at its bottom, and the edge of the ventilation opening (53) extends upward to form a supporting annular wall (55) to be in sealing contact with the bottom of the motor main body (21).
7. The heat dissipating structure as set forth in claim 5, wherein the ventilation opening (53) forms a ventilation opening (6) with a bottom of the motor main body (21).
8. The heat dissipation structure as claimed in claim 1, characterized in that the electronic components of the control circuit board (3) are arranged on the bottom surface and a heat sink (31) is provided for the high temperature zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422040434.6U CN223169626U (en) | 2024-08-21 | 2024-08-21 | Heat radiation structure of cooking machine frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422040434.6U CN223169626U (en) | 2024-08-21 | 2024-08-21 | Heat radiation structure of cooking machine frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223169626U true CN223169626U (en) | 2025-08-01 |
Family
ID=96542670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422040434.6U Active CN223169626U (en) | 2024-08-21 | 2024-08-21 | Heat radiation structure of cooking machine frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223169626U (en) |
-
2024
- 2024-08-21 CN CN202422040434.6U patent/CN223169626U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |