CN220711234U - Food processor with good heat dissipation effect - Google Patents

Abstract

The utility model discloses a food processor with good heat dissipation effect, which relates to the field of household appliances, and comprises a machine body, a cup body arranged on the machine body, a brushless motor and a power module IGBT matched with the brushless motor, wherein the IGBT is vertically arranged on the outer side of the brushless motor, the IGBT comprises an IGBT body and a radiating fin arranged on the IGBT body, an air inlet structure communicated with the brushless motor is arranged above the radiating fin, so that external air can smoothly enter the brushless motor through the guide of the air inlet structure, the heat dissipation of the brushless motor is realized, the condition that large noise is caused because the air is scattered relatively easily in the flowing process when the external air flows into the brushless motor is effectively reduced, the noise is effectively reduced, meanwhile, the air flow can only enter the brushless motor after passing through the radiating fin in the flowing process, the air flow of the surface of the radiating fin in unit time is improved, the heat dissipation effect on the radiating fin is improved, and the heat dissipation efficiency of the whole IGBT is further improved.

Description

Food processor with good heat dissipation effect

Technical Field

The utility model relates to the technical field of household appliances, in particular to a food processor with good heat dissipation effect.

Background

With the development of society, the living standard is improved, and the pursuit of people on diet diversification and diet health is continuously improved. Thus, various industrial food processors gradually miniaturize and go into thousands of households, such as soymilk machines, not only meet the demands of people for diet health and nutrition, but also greatly improve the life quality of people, thus being favored by people.

The existing food processor generally comprises a machine body, a cup body arranged on the machine body and provided with a crushing cavity, a crushing device arranged in the crushing cavity, and a motor arranged at the bottom of the cup body and connected with the crushing device in a transmission way, wherein a user puts food into the cup body when using the food processor, the motor drives the crushing device to rotate at a high speed so as to realize the processing of the food, but the motor can generate a large amount of heat in a long-time rotating process, components such as winding coils on the motor are heated to be aged easily, the temperature rise of the motor is reduced, the heat dissipation efficiency of the motor is improved, air in the machine body is driven to flow when the motor rotates generally so as to realize the heat dissipation of the motor, but air flows in all directions and is converged into the motor due to the air flow in the flowing process, so that the air collides with all the components in the flowing process, and the flowing efficiency of the air flow is reduced, and the heat dissipation efficiency of the motor is reduced. Meanwhile, in order to realize the control of components such as a motor, a circuit board for controlling the components such as the motor to work is arranged in the food processor, the service life and the stability of the circuit board are directly determined by the working temperature of an electronic device on the circuit board, a certain amount of heat can be generated by the circuit board in the working process, but the air flow of the air flowing through the circuit board in a machine body is less, the temperature of the circuit board is rapidly increased, the circuit board is continuously heated, the devices on the circuit board possibly lose efficacy due to overheating, and therefore the performance of the food processor is influenced, and the working reliability of the food processor is reduced.

Disclosure of Invention

The utility model aims to provide a food processor with good heat dissipation effect, which is used for solving the problems of large noise and poor heat dissipation effect of a circuit board in the heat dissipation process of a motor in the existing food processor.

In order to achieve the above purpose, the utility model provides a food processor with good heat dissipation effect, which comprises a machine body, a cup body, a smashing device, a brushless motor, a power module IGBT (insulated gate bipolar transistor) and an air inlet structure, wherein the cup body is arranged on the machine body and provided with a smashing cavity, the smashing device is arranged in the smashing cavity, the brushless motor is arranged at the bottom of the cup body and is in transmission connection with the smashing device, the power module IGBT is matched with the brushless motor, the IGBT is vertically arranged on the outer side of the brushless motor, the IGBT comprises an IGBT body and a radiating fin arranged on the IGBT body, and the air inlet structure is arranged above the radiating fin and communicated with the brushless motor.

This application is through setting up brushless motor, with the help of brushless motor's characteristic, make the user when using food processor to eat material processing, motor pivoted noise is lower, realize the effect of making an uproar falls, simultaneously brushless motor can realize variable frequency control, make food processor can be according to the different food material and the different rotational speeds of processing in-process control brushless motor output, can make the processing effect of eating the material better and processing more abundant, promote the output taste of eating the material, and brushless motor occupation space is less, help promoting the compactibility of complete machine inner structure, greatly reduced brushless motor and cup axial size.

Meanwhile, the food processor further comprises a power module IGBT matched with the brushless motor, the IGBT is vertically arranged on the outer side of the brushless motor, the space in the machine body is greatly utilized, the utilization rate of the inner space is improved, and the compactness of the whole machine structure is further improved. The heat dissipation of the IGBT mainly dissipates heat from the surface of the component to the surrounding air, but with the miniaturization and high-density installation and high-heating assembly of the component, as the high-heating component, the heat dissipation path is far insufficient only by relying on the surface of the component with small surface area, the IGBT is arranged as an IGBT body and the heat dissipation fins arranged on the IGBT body, so that the heat emitted by the component is effectively conducted to the heat dissipation fins, and then dissipated to the surrounding air through the heat dissipation fins, thereby effectively realizing the heat dissipation of the IGBT and improving the heat dissipation efficiency of the IGBT.

In addition, be equipped with the air inlet structure with brushless motor intercommunication above the fin for food processor is at the during operation, brushless motor drives motor and organism internal air flow, air inlet structure's setting can make external air more smooth and easy in entering brushless motor through the guide of air inlet structure on the one hand, realize the heat dissipation to brushless motor, effectively reduce the condition that because air comparatively disperses easily strikes each part and arouses great noise at the flow in-process when external air flows to brushless motor, effectively reduce the production of noise, play the effect of amortization and making an uproar falls, simultaneously can promote the speed that gas flows, and then promote the air flow that enters into brushless motor in the unit time, further promote the radiating effect to brushless motor; on the other hand, the air inlet structure is located the fin top for in the air current only can reentrant brushless motor behind the fin when flowing, improve the flow of unit time in through fin surface air, promote the radiating effect to the fin, and then promote the radiating efficiency to whole IGBT, reduce the temperature rise of IGBT, help prolonging its life.

In a preferred implementation of the food processor with good heat dissipation effect, the air intake structure comprises an air intake arranged above the heat sink, and the projection of the air intake in the axial direction at least partially falls into the heat sink.

Through setting up the air inlet structure to including locating the air intake of fin top, and the air intake at least part of projection in the axial falls into in the fin for in the air intake that can be more smooth and easy when the air current flows from bottom to top again, and then in entering into brushless motor, avoid because the air intake in the axial with the fin dislocation lead to the air current need bend when flowing upwards from the fin and lead to the fact the circumstances that produces great noise and slow down the velocity of flow, guarantee the noise reduction effect of complete machine and brushless motor and IGBT's radiating efficiency.

In a preferred implementation of the food processor with good heat dissipation effect, the food processor further comprises a wind shield arranged above the heat sink, and the air inlet is formed in the wind shield.

Through set up the deep bead in the fin top, and the air intake shaping in the deep bead for the air current is when flowing, because the effect of blockking of deep bead, in the air current of fin below can only reentrant brushless motor behind the air intake, can realize the effect of collecting to the air current, guarantees that the air current of air intake below all passes through the air intake after the fin again, further promotes the radiating effect to the fin, and then further promotes the radiating efficiency of IGBT, reduces the temperature rise of IGBT.

In a preferred implementation of the food processor with good heat dissipation, the wind deflector comprises a wind deflector body and an annular wind deflector rib extending upwards in the circumferential direction of the wind deflector body.

Through setting up the deep bead including the deep bead body and along the annular wind-shielding muscle that the deep bead body circumference upwards extends, on the one hand the deep bead can realize the barrier of the deep bead body to axial direction air current, can also realize simultaneously that annular wind-shielding muscle is to radial direction air current's barrier, realizes two-way keep out the wind, and then makes more air currents enter into brushless motor through the air intake to make more air currents pass through the fin, further promote IGBT's radiating effect; on the other hand, the annular wind shielding rib can realize keeping out the wind to the cup outside, and then can avoid the higher condition that leads to obviously causing cup temperature to rise to the heat dissipation of cup in the air current flow rate in the cup outside, guarantees the heating heat preservation effect of cup, promotes user's use experience. In addition, annular wind shielding muscle can also promote the intensity of deep bead, reduces the risk that the deep bead takes place to warp.

In a preferred implementation of a food processor with good heat dissipation, the housing comprises a housing for accommodating a brushless motor and an IGBT, and the distance L between the side wall of the wind deflector, which is far from the brushless motor, and the housing is: l is more than or equal to 2mm and less than or equal to 10mm.

The distance L between the side wall of the wind shield on one side far away from the brushless motor and the shell is set to be as follows: l is more than or equal to 2mm and less than or equal to 10mm, so that the situation that the wind shield is close to the shell and causes slight vibration when the brushless motor works to drive the wind shield to vibrate and cause collision between the wind shield and the shell to generate noise is avoided, and the noise is further reduced; on the other hand, the situation that more air flows can enter the air inlet through gaps between the wind shield and the shell to reduce the air flow nearby the radiating fins and finally reduce the radiating effect of the radiating fins is avoided.

In a preferred embodiment of the food processor with good heat dissipation, the heat sink is provided in plurality and arranged side by side in the lateral direction.

Through be equipped with a plurality of fin for a plurality of fin can realize the heat dissipation to the IGBT body simultaneously, further promotes the radiating efficiency of IGBT, reduces the temperature rise of IGBT. Simultaneously the fin sets up along transversely side by side for the radiating gap that forms between each fin just is to the air inlet structure, avoids appearing the fin to appear blocking to the circulation of air current between the radiating gap, thereby guarantees that gas smoothly flows fast in radiating gap department, realizes the high-efficient utilization to the air current, thereby further improves the radiating effect to IGBT.

In a preferred implementation of the food processor with good heat dissipation effect, the food processor further comprises an inner base of the base, which is supported below the brushless motor in a butt joint manner, and the air inlet structure is formed in the inner base of the base.

Through setting up food processor to still including the butt support in the frame inner seat of brushless motor below, realize the support spacing to brushless motor, guarantee the stability of part position structures such as brushless motor, reduce the vibration noise that brushless motor during operation produced, further promote the noise reduction effect. Meanwhile, the air inlet structure is formed in the inner seat of the machine seat, so that the functional integration of the inner seat of the machine seat is realized, additional parts are omitted to form the air inlet structure, the number of parts is reduced, and the compactness of the whole machine structure is improved.

In a preferred implementation of the food processor with good heat dissipation effect, the inner seat of the stand is further provided with a mounting part for fixedly mounting the IGBT.

The mounting part for fixedly mounting the IGBT is further arranged on the inner seat of the machine seat, so that the fixed mounting of the IGBT is realized, the functional integration of the inner seat of the machine seat is further improved, the mounting of the IGBT is realized by omitting other parts, the number of parts is further reduced, the compactness of the inside of the whole machine is further improved, and the size of the whole machine is reduced.

In a preferred implementation mode of the food processor with good heat dissipation effect, the side wall of the inner seat of the machine base forms a mounting part, and a limit rib which is in limit fit with the IGBT is further arranged on the mounting part.

Still be equipped with on the installation department with the spacing complex spacing muscle of IGBT, realize spacing to the IGBT, not only can make the IGBT realize its quick positioning through spacing muscle when the installation, and then help promoting its installation effectiveness, can also provide the spacing butt to the IGBT after the installation is accomplished simultaneously, guarantee the stability of IGBT position, avoid IGBT and installation department to take place the condition of relative displacement.

In a preferred implementation of the food processor with good heat dissipation, the brushless motor includes a motor housing forming an installation cavity and a motor body installed in the installation cavity, and the air intake structure is communicated with the installation cavity.

Through including forming the motor casing of installation chamber and installing in the motor body of installation intracavity with brushless motor, air inlet structure and installation intracavity intercommunication for the air current that the air inlet structure was leading-in can directly enter into the installation intracavity of brushless motor and realize direct heat dissipation to inside motor body, can further promote the radiating efficiency to brushless motor, reduce brushless motor's temperature rise.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a cross-sectional view of a food processor in accordance with one embodiment of the present utility model;

FIG. 2 is a schematic view of the structure of a cup and a brushless motor according to an embodiment of the utility model;

FIG. 3 is a schematic view of a cup and a brushless motor according to another embodiment of the utility model;

fig. 4 is a schematic structural diagram of an inner seat of a stand according to an embodiment of the present utility model.

List of parts and reference numerals:

1-machine body, 11-machine shell; 2-a cup body and 21-a crushing cavity; 3-a crushing device; 4-brushless motor; 5-IGBT, 51 radiating fins and 52-IGBT body; 6-an inner seat of the machine base, 61-an installation part, 611-a limit rib and 612-a fixing column; 7-wind shield, 71-air intake, 72-wind shield body, 73-annular wind shielding rib.

Detailed Description

In order to more clearly illustrate the general inventive concept, reference will be made in the following detailed description, by way of example, to the accompanying drawings.

It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced in other ways than as described herein, and therefore the scope of the present utility model is not limited by the specific embodiments disclosed below.

As shown in fig. 1 to 4, the utility model provides a food processor with good heat dissipation effect, which comprises a machine body 1, a cup body 2 arranged on the machine body 1 and provided with a crushing cavity 21, a crushing device 3 arranged in the crushing cavity 21, and a brushless motor 4 arranged at the bottom of the cup body 2 and in transmission connection with the crushing device 3, wherein the food processor further comprises a power module IGBT matched with the brushless motor 4, the IGBT is vertically arranged at the outer side of the brushless motor 4, the IGBT comprises an IGBT body 52 and a radiating fin 551 arranged on the IGBT body 52, and an air inlet structure communicated with the brushless motor 4 is arranged above the radiating fin 551.

This application is through setting up brushless motor 4, with the help of brushless motor 4's characteristic, make the user when using the food processor to eat material processing, motor pivoted noise is lower, realize the effect of making an uproar falls, brushless motor 4 can realize variable frequency control simultaneously, make the food processor can be according to the different food material and the different rotational speeds of processing in-process control brushless motor 4 output, can make the processing effect of eating the material better and processing more abundant, promote the output taste of eating the material, and brushless motor 4 occupation space is less, help promoting the compactibility of complete machine inner structure, greatly reduced brushless motor 4 and cup 2 axial size.

Meanwhile, the food processor further comprises a power module IGBT matched with the brushless motor 4, and the IGBT is vertically arranged on the outer side of the brushless motor 4, so that the space in the machine body 1 is greatly utilized, the utilization rate of the internal space is improved, and the compactness of the whole machine structure is further improved. The heat dissipation of the IGBT mainly dissipates heat from the surface of the component to the surrounding air, but as the component is miniaturized, mounted with high density, and assembled with high heat generation, the heat dissipation path is far insufficient by only relying on the surface of the component with small surface area as the component with high heat generation, and the IGBT is set to the IGBT body 52 and the heat dissipation fins 551 arranged on the IGBT body 52, so that the heat emitted by the component is effectively conducted to the heat dissipation fins 551, and then dissipated to the surrounding air through the heat dissipation fins 551, thereby effectively realizing the heat dissipation of the IGBT and improving the heat dissipation efficiency of the IGBT.

In addition, be equipped with the air inlet structure with brushless motor 4 intercommunication above the fin 551 for the food processor is at the during operation, and brushless motor 4 drives the air flow in motor and the organism 1, and air inlet structure's setting can make the outside air more smoothly enter into brushless motor 4 through the guide of air inlet structure on the one hand, realize the heat dissipation to brushless motor 4, effectively reduce the condition that because the air is comparatively dispersed and is easily impacted each part and arouses great noise at the flow in-process when flowing into brushless motor 4, effectively reduce the production of noise, play amortization effect of making an uproar falls, simultaneously can promote the speed that the gas flows, and then promote the air flow that enters into brushless motor 4 in the unit time, further promote the radiating effect to brushless motor 4; on the other hand, the air inlet structure is located the fin 551 top for in the air current only can reentrant brushless motor 4 behind the fin 551 when flowing, improve the flow of unit time through fin 551 surface air, promote the radiating effect to the fin 551, and then promote the radiating efficiency to whole IGBT, reduce the temperature rise of IGBT, help prolonging its life.

The power module to be coupled to the brushless motor 4 in the present application is not limited to the IGBT, and may be a MOSFET/IPM or the like. Meanwhile, the structure of the cup body 2 is not particularly limited, and the cup body can be a complete glass cup body; or the upper half part is a glass cup body, the lower half part is an aluminum die casting cup body, and a heating pipe is integrally formed in the aluminum die casting cup body; the cup body can also be a complete aluminum die-casting cup body, and a heating pipe is also integrally formed in the cup body, and is not described herein.

Meanwhile, it should be noted that the air intake structure is not specifically limited in the present application, and as a preferred embodiment of the present application, as shown in fig. 1 and 2, the air intake structure includes an air intake 71 disposed above the heat dissipation plate 551, and a projection of the air intake 71 in an axial direction at least partially falls into the heat dissipation plate 551.

Through setting up the air inlet structure to including locating the air intake 71 of fin 551 top, and the air intake 71 falls into the fin 551 at least partly at the ascending projection of axial in for in the air intake 71 that can be more smooth and easy when the air current flows from bottom to top again, and then enter into brushless motor 4, avoid because air intake 71 in the axial with the fin 551 dislocation lead to the air current need bend when flowing upwards from the fin 551 and cause the circumstances that produces great noise and slow down the velocity of flow, guarantee the noise reduction effect of complete machine and brushless motor 4 and IGBT's radiating efficiency.

It should be noted that the molding of the air inlet 71 is not particularly limited in the present application, and as a preferred embodiment of the present application, as shown in fig. 2 and 4, the food processor further includes a wind deflector 7 disposed above the heat sink 551, and the air inlet 71 is molded in the wind deflector 7.

Through set up deep bead 7 in fin 551 top, and air intake 71 shaping in deep bead 7 for when the air current is flowing, because the effect of blockking of deep bead 7, the air current of fin 551 below can only be through in the air intake 71 reentrant brushless motor 4, can realize the effect of collecting to the air current, guarantees that the air current of air intake 71 below all passes through behind the fin 551 again through air intake 71, further promotes the radiating effect to the fin 551, and then further promotes IGBT's radiating efficiency, reduces IGBT's temperature rise.

Further, as shown in fig. 4, the wind deflector 7 includes a wind deflector body 72 and an annular wind deflector rib 73 extending upward in the circumferential direction of the wind deflector body 72.

By arranging the wind shield 7 to comprise the wind shield body 72 and the annular wind shielding ribs 73 extending upwards along the circumferential direction of the wind shield body 72, on one hand, the wind shield 7 not only can realize the blocking of axial air flow by the wind shield body 72, but also can realize the blocking of radial air flow by the annular wind shielding ribs 73, so that bidirectional wind shielding is realized, further more air flows enter the brushless motor 4 through the air inlets 71, and further more air flows pass through the cooling fins 551, and the heat dissipation effect of the IGBT is further improved; on the other hand, the annular wind shielding rib 73 can realize keeping out the wind to the cup 2 outside, and then can avoid the higher condition that leads to obviously causing cup 2 temperature rise to reduce to the heat dissipation of cup 2 of the air current flow rate in the cup 2 outside, guarantees the heating heat preservation effect of cup 2, promotes user's use experience. In addition, the annular wind shielding ribs 73 can further improve the strength of the wind shielding plate 7 and reduce the risk of deformation of the wind shielding plate 7.

It should be noted that, the distance between the wind deflector 7 and the housing is not particularly limited in the present application, and as a preferred embodiment of the present application, as shown in fig. 1, the housing 1 includes a housing 11 for accommodating the brushless motor 4 and the IGBT, and the distance L between the side wall of the wind deflector 7 on the side far away from the brushless motor 4 and the housing 11 satisfies: 2 mm.ltoreq.L.ltoreq.10 mm, preferably, the distance L of the side wall of the wind deflector 7 from the side of the brushless motor 4 from the housing 11 is set to 6mm.

By setting the distance L of the side wall of the wind deflector 7 away from the brushless motor 4 side from the housing 11 to satisfy: l is more than or equal to 2mm and less than or equal to 10mm, on one hand, the situation that the wind shield 7 is close to the shell 11 to cause slight vibration of the brushless motor 4 during working so as to drive the wind shield 7 to vibrate to cause collision between the wind shield 7 and the shell 11 to generate noise is avoided, and the noise is further reduced; on the other hand, the situation that the air flow near the cooling fins 551 is reduced due to the fact that more air flows are introduced into the air inlet 71 through the gap between the air shield 7 and the casing 11 because the air shield 7 is far away from the casing 11, and finally the cooling effect of the cooling fins 551 is reduced is avoided.

As a preferred embodiment of the present application, as shown in fig. 2, a plurality of fins 551 are provided and arranged side by side in the lateral direction.

Through be equipped with a plurality of fin 551 for a plurality of fin 551 can realize the heat dissipation to IGBT body 52 simultaneously, further promotes the radiating efficiency of IGBT, reduces the temperature rise of IGBT. Simultaneously the fin 551 sets up along transversely side by side for the radiating gap that forms between each fin 551 just is to the air inlet structure, avoids appearing the fin 551 to appear blocking the circulation of air current between the radiating gap, thereby guarantees that gas flows smoothly fast in radiating gap department, realizes the high-efficient utilization to the air current, thereby further improves the radiating effect to IGBT.

As a preferred embodiment of the present application, as shown in fig. 1 and 4, the food processor further includes a housing inner seat 6 supported under the brushless motor 4 in an abutting manner, and the air intake structure is formed in the housing inner seat 6.

Through setting up food processor to still including the butt support in the frame inner seat 6 of brushless motor 4 below, realize the support spacing to brushless motor 4, guarantee the stability of part position structure such as brushless motor 4, reduce the vibrations noise that brushless motor 4 during operation produced, further promote noise reduction effect. Meanwhile, the air inlet structure is formed in the inner seat 6 of the machine base, so that the functional integration of the inner seat 6 of the machine base is realized, additional parts are omitted to form the air inlet structure, the number of parts is reduced, and the compactness of the whole machine structure is improved.

Further, as shown in fig. 4, the in-frame seat 6 is further provided with a mounting portion 61 to which the IGBT is fixedly mounted.

Through still being equipped with the installation department 61 of fixed mounting IGBT with frame inner seat 6, realize the fixed mounting to the IGBT, further promoted the functional integration of frame inner seat 6, saved and established the part in addition and realized the installation of IGBT, further reduced spare part quantity, help further promoting the inside compactedness of complete machine, reduced the size of complete machine.

As a preferable example of this embodiment, as shown in fig. 4, the side wall of the inner seat 6 of the stand forms a mounting portion 61, and a limit rib 611 that is in limit fit with the IGBT is further provided on the mounting portion 61.

Still be equipped with on the installation department 61 with the spacing complex spacing muscle 611 of IGBT, realize spacing to the IGBT, not only can make the IGBT realize its quick location through spacing muscle 611 when the installation, and then help promoting its installation effectiveness, can also provide the spacing butt to the IGBT after the installation is accomplished simultaneously, guarantee the stability of IGBT position, avoid IGBT and the condition that installation department 61 takes place relative displacement. Preferably, the mounting portion 61 is further provided with a fixing column 612, and when the IGBT is mounted on the mounting portion 61, the IGBT is fastened on the fixing column 612 by a screw, so that the position stability of the IGBT is further improved.

As a preferred embodiment of the present application, as shown in fig. 1, the brushless motor 4 includes a motor housing forming a mounting chamber and a motor body 52 mounted in the mounting chamber, and the air intake structure communicates with the mounting chamber.

Through including forming the motor casing of installation intracavity and installing in the motor body 52 of installation intracavity with brushless motor 4, air inlet structure and installation intracavity intercommunication for the air current that the air inlet structure was leading-in can directly enter into the installation intracavity of brushless motor 4 and realize direct heat dissipation to inside motor body 52, can further promote the radiating efficiency to brushless motor 4, reduces the temperature rise of brushless motor 4.

The technical solution protected by the present utility model is not limited to the above embodiments, and it should be noted that, the combination of the technical solution of any one embodiment with the technical solution of the other embodiment or embodiments is within the scope of the present utility model. While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.

Claims (10)

1. The utility model provides a food processor that radiating effect is good, includes the organism, locates the organism and have the cup in smashing the chamber, set up in smashing the intracavity and setting is in the cup bottom just with the brushless motor that smashing device transmission is connected, its characterized in that, food processor still include with brushless motor complex power module IGBT, IGBT vertical installation in the brushless motor outside, IGBT includes the IGBT body and locates fin on the IGBT body, the fin top be equipped with the air inlet structure of brushless motor intercommunication.

2. The food processor of claim 1, wherein the air intake structure comprises an air intake disposed above the heat sink, the air intake having an axial projection that at least partially falls into the heat sink.

3. The food processor of claim 2 further comprising a wind deflector positioned above the heat sink, the air inlet being formed in the wind deflector.

4. A food processor according to claim 3, wherein the wind deflector comprises a wind deflector body and an annular wind deflector rib extending circumferentially upwardly along the wind deflector body.

5. A food processor according to claim 3, wherein the housing comprises a housing for accommodating the brushless motor and the IGBT, and the side wall of the wind deflector on the side away from the brushless motor is spaced from the housing by a distance L that satisfies the following conditions: l is more than or equal to 2mm and less than or equal to 10mm.

6. The food processor of claim 1, wherein a plurality of cooling fins are provided and are arranged side by side in a lateral direction.

7. The food processor of claim 1, further comprising an inner housing supported below the brushless motor, wherein the air intake structure is formed in the inner housing.

8. The food processor with good heat dissipation effect according to claim 7, wherein the housing inner base is further provided with a mounting portion for fixedly mounting the IGBT.

9. The food processor with good heat dissipation effect according to claim 8, wherein the mounting portion is formed on the side wall of the inner seat of the stand, and a limit rib in limit fit with the IGBT is further provided on the mounting portion.

10. The food processor of claim 1, wherein the brushless motor comprises a motor housing defining a mounting cavity and a motor body mounted in the mounting cavity, and wherein the air intake structure is in communication with the mounting cavity.