Food processor capable of preventing water from entering main machine

Abstract

The utility model belongs to the technical field of food processing devices, and discloses a food processor capable of preventing water from entering a main machine, which comprises a cup assembly and a main machine with a built-in power panel, the main machine is provided with a supporting platform, the cup assembly comprises a cup body, a cup seat fixed at the bottom of the cup body and a motor fixed in the cup seat, and the motor is a variable-frequency brushless motor. A first heat dissipation air channel for heat dissipation of the motor is arranged in the cup base, the power panel is provided with an IPM module electrically connected with the motor, the host is provided with an air inlet and an air outlet to form a second heat dissipation air channel for heat dissipation of the power panel, and the air outlet is located in the supporting platform and communicates with the first heat dissipation air channel. A flow baffle arranged between the air outlet and the power panel in a blocking mode is arranged in the second heat dissipation air channel. On the premise that good heat dissipation of the power panel and the motor is achieved, reliable water prevention of the host can be achieved, the power panel is protected against water damage, the service life of the power panel and other electric devices in the second heat dissipation air channel is prolonged, and the service life of the whole machine is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of food processing devices, and in particular relates to a food processing machine capable of preventing water from entering a main machine. Background Art

[0002] The prior art discloses a wall-breaking food processor capable of realizing heat dissipation of the host, comprising a base and a cup body assembly, a main control board arranged in the base, the cup body assembly comprising a cup body and a cup seat, the cup seat being provided with a support cavity and a motor fixing seat located in the support cavity, the motor being fixed on the motor fixing seat, so that the motor and the cup body assembly are connected as one body, a fan is arranged in the base, and the indoor air is allowed to enter the base from the indoor air inlet of the base by the fan, and then enter the cup seat through the air inlet pipe, so as to dissipate heat for the motor, and the airflow enters the base through the air outlet of the base after passing through the motor, and is discharged after passing through the main control board. Most traditional food processors are driven by series-excited motors, which are large in size, resulting in a large size of the whole machine, and are inconvenient for users to use. Since the food processor in the prior art is driven by series-excited motors, the control requirements for the main control board are not strong, so the heat generated by the main control board is not much, and a strong heat dissipation airflow is not required, so the airflow passing through the motor can not pass through the control board, and the heat dissipation of the control board can be realized by only using the space in the base, so the main control board can be arranged in a relatively isolated space.

[0003] With the continuous development and innovation of food processing machine technology, the applicant has developed a food processing machine using a variable frequency brushless motor, including a main machine and a cup assembly detachably mounted on the main machine, wherein a variable frequency brushless motor is installed in the cup holder of the cup assembly. This type of food processing machine uses a variable frequency brushless motor to achieve drive, which is compact, has constant and controllable speed and torque, and has low working vibration and low noise, thus improving the user experience of the food processing machine. However, compared with the existing series-excited motor, the variable frequency brushless motor needs to be driven by an IPM module on the main control board. The IPM module, or intelligent power module, is a highly integrated power electronic device that integrates power switching devices, drive circuits, and fault detection circuits such as overvoltage, overcurrent, and overheating. This causes the IPM module to generate strong heat during operation, and the power board and the IPM module need to be cooled. In other words, the IPM module is set in the heat dissipation duct of the main machine. The existing solution requires opening an air outlet on the base so that the heat dissipation airflow can enter the base to dissipate heat for the main control board. However, when water accumulates above the supporting surface of the base, the water will flow back into the base along the air outlet and directly flow to the main control board, causing water damage to the main control board. Utility Model Content

[0004] The utility model provides a food processing machine which can prevent water from entering the main machine, and uses a variable frequency brushless motor to realize driving. Meanwhile, on the basis of using the variable frequency brushless motor, the variable frequency brushless motor and the IPM module are respectively placed in the cup assembly and the main machine, and the structural setting of the heat dissipation duct is further optimized, so as to solve the problem that water flow above the supporting platform of the main machine will flow back to the inside of the main machine along the heat dissipation path, causing poor waterproofness of the main machine and water intrusion damage to the power board, on the basis of realizing good heat dissipation of the main machine, and thus improve the waterproofness of the main machine.

[0005] The technical solution adopted by the utility model is:

[0006] The utility model provides a food processing machine capable of preventing water from entering a main machine, comprising a cup assembly and a main machine with a built-in power board, wherein a top wall of the main machine is provided with a supporting platform for supporting the cup assembly, the cup assembly comprises a cup body, a cup holder fixed at the bottom of the cup body, and a motor fixed in the cup holder, wherein the motor is a variable frequency brushless motor, a first heat dissipation duct for dissipating heat from the motor is provided in the cup holder, the power board is provided with an IPM module electrically connected to the motor, the main machine is provided with an air inlet and an air outlet to form a second heat dissipation duct for dissipating heat from the power board, the air outlet is located on the supporting platform and is connected to the first heat dissipation duct, and a baffle is provided in the second heat dissipation duct for separating between the air outlet and the power board.

[0007] The utility model provides a food processing machine that prevents water from entering the host. By adopting a variable frequency brushless motor, compared with a traditional series-excited motor, the variable frequency brushless motor has a coil that is generally protruding outside the stator, and the coil needs to be installed in a circumventing manner. Therefore, the use of a variable frequency brushless motor is conducive to improving the space utilization rate of the whole machine, facilitating compact installation to reduce the size of the entire cup assembly, avoiding too much burden on the user's operation, and facilitating the user's mobile operation. On this basis, since the variable frequency brushless motor and the IPM module electrically connected to the variable frequency brushless motor both have a large amount of working heat, a first heat dissipation duct is set in the cup holder, a second heat dissipation duct is set in the host, and the air outlet is connected to the first heat dissipation duct, so that the power board can achieve heat dissipation by means of the heat dissipation fan of the motor to drive the air flow circulation, and simultaneously achieve good heat dissipation of the motor and the power board. Since the air outlet is located on the support platform, when the user carries water droplets after cleaning the cup assembly or when the cup assembly overflows during processing, the water flow will accumulate on the support platform, and there is a water flow along the outlet. In the case where air refluxes into the second heat dissipation duct, a baffle is provided in the second heat dissipation duct between the air outlet and the power board. The baffle blocks the water from flowing back into the second heat dissipation duct, thereby increasing the difficulty for the water to enter the second heat dissipation duct and flow to the power board, and making the water reflux path tortuous. On the premise of ensuring smooth flow of air in the second heat dissipation duct to achieve heat dissipation of the power board and the motor, the host can also be reliably waterproof, the power board can be protected from water damage, the service life of the power board and other electrical components in the second heat dissipation duct is extended, and the service life of the entire machine is extended.

[0008] In a preferred embodiment, the power board and the air outlet are laterally staggered, and the baffle extends from top to bottom to block between the air outlet and the power board.

[0009] By horizontally staggering the power board and the air outlet, it is effectively avoided that when there is a lot of water flow above the supporting platform, the water will drip directly from the air outlet onto the power board. The baffle plate extends from top to bottom to block the air outlet and the power board. The baffle plate can make the path of water flowing to the power board tortuous, increase the difficulty of water entering the power board, and protect the power board.

[0010] In a preferred embodiment, the baffle plate extends from top to bottom in a direction away from the power board, and the baffle plate extends to below the air outlet.

[0011] By extending the baffle from top to bottom away from the power board, and extending the baffle to below the air outlet, the baffle can receive and guide water droplets that accidentally flow into the air outlet, and guide them away from the power board, thereby further reducing the probability of water flowing toward the power board.

[0012] In a preferred embodiment, a mounting cover mounted above the power board is further provided in the host, and the mounting cover and the bottom wall of the host are combined to form the second heat dissipation duct.

[0013] By setting up a mounting cover and utilizing the mounting cover and the bottom wall of the main unit to enclose a second heat dissipation duct, the heat dissipation airflow for the power board can be further concentrated and converged in the second heat dissipation duct, thereby preventing airflow loss and increasing heat exchange between cold air and the power board, thereby improving the heat dissipation efficiency of the power board.

[0014] In a preferred embodiment, a notch is formed in the side wall of the mounting cover, and the baffle plate includes a first baffle portion for covering the notch and a second baffle portion extending upward from the first baffle portion to cover the gap between the mounting cover and the support platform.

[0015] By opening a gap in the side wall of the mounting cover, the airflow of the second heat dissipation duct can flow smoothly, and the baffle plate includes a first baffle portion for covering the gap, thereby effectively preventing water flowing in from the air outlet from directly entering the gap and damaging the power board. At the same time, the baffle plate also includes a second baffle portion extending upward from the first baffle portion to cover the gap between the mounting cover and the support platform, effectively preventing water from flowing to the top of the mounting cover, making the waterproofing more comprehensive, and greatly improving the waterproofness of the host.

[0016] In a preferred embodiment, the top wall of the mounting cover extends obliquely upward toward one end close to the air outlet;

[0017] By extending the top wall of the mounting cover upwardly toward the end near the air outlet, a high-position flow blocker is formed at the end near the air outlet. While a certain avoidance space is provided between the mounting cover and the supporting platform of the main unit, the risk of water ingress caused by excessive avoidance space can be blocked. This not only facilitates the installation avoidance of the mounting cover, ensures a reliable structure, but also improves the waterproof performance.

[0018] In a preferred embodiment, the baffle is fixedly or detachably mounted on an end of the mounting cover close to the air outlet.

[0019] By fixing the baffle plate at one end of the mounting cover, the mounting cover integrates multiple functions, simplifies the structure and reduces the cost. By detachably mounting the baffle plate at one end of the mounting cover, the baffle plate and the mounting cover can be more flexibly matched, and can be easily replaced or repaired separately.

[0020] In a preferred embodiment, the baffle is fixed to the mounting platform of the host and extends downward;

[0021] In a preferred embodiment, the baffle is fixed to the bottom wall of the main machine and extends upward.

[0022] The baffle is fixed on the mounting platform of the main unit, which can effectively avoid the formation of a matching gap between the baffle and the mounting platform. Therefore, after water enters the air outlet of the main unit, the path for water to flow horizontally along the inner side of the mounting platform to the inside of the main unit is cut off, so that the water flows away from the power board under the blocking effect of the baffle, thereby improving the waterproof performance of the main unit.

[0023] The baffle is fixed on the bottom wall of the main unit, and is integrally formed with the bottom wall, which is convenient to process and effectively avoids the formation of a matching gap between the baffle and the bottom wall of the main unit, thereby preventing the water from flowing horizontally and protecting the power board.

[0024] In a preferred embodiment, the support platform is provided with a surrounding plate surrounding the air outlet and protruding upward.

[0025] By arranging a panel on the supporting platform, which protrudes upward around the air outlet, water on the surface of the supporting platform can be blocked from directly entering the air outlet, thereby preventing water from entering the main unit from the source.

[0026] In a preferred embodiment, a top plate for shielding the air outlet is arranged at the top end of the enclosure, and a transverse through hole is opened in the enclosure, and the through hole is connected to the air outlet.

[0027] By setting a top plate, the top plate directly blocks the air outlet, which can prevent the water droplets carried by the user from dripping directly into the air outlet when the user takes the cup assembly, and also prevent foreign objects from entering the air outlet to block the second heat dissipation duct and affect heat dissipation. A horizontal through hole is opened on the enclosure, and the through hole is connected to the air outlet, so that the air flow and water flow can enter the second heat dissipation duct in a zigzag manner, thereby achieving good heat dissipation of the host and effective waterproofing of the host.

[0028] In a preferred embodiment, the bottom wall of the main unit is provided with a water leakage hole located below the air outlet;

[0029] In a preferred embodiment, the bottom wall of the main unit is provided with a water collecting tank below the air outlet, and a water leakage hole is provided at the bottom of the water collecting tank.

[0030] By setting a leaking hole on the bottom wall of the main unit, when water accidentally flows into the air outlet of the main unit, the water flowing into the main unit can be discharged from the main unit through the leaking hole, avoiding water accumulation inside the main unit and causing water to enter the power board. By setting a water collection tank, water droplets splashing or flowing into the main unit are collected and guided to be discharged from the leaking hole, keeping the internal environment of the main unit dry. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0032] Figure 1 This is a structural schematic diagram of a food processing machine in Example 1 of the present utility model;

[0033] Figure 2 This is a schematic cross-sectional structure diagram of a food processor in Example 1 of the present utility model;

[0034] Figure 3 It is a cross-sectional structural diagram of the main machine of the food processing machine in the embodiment 1 of the present utility model;

[0035] Figure 4 It is an exploded schematic diagram of the local structure of the host in the implementation example 1 of the utility model;

[0036] Figure 5 It is a cross-sectional structural schematic diagram of another angle of the food processing machine in the implementation example 1 of the utility model;

[0037] Figure 6 This is a schematic cross-sectional structure diagram of the main machine of the food processing machine in Example 2 of the present invention.

[0038] Explanation of the reference numerals: 10, cup assembly; 11, cup body; 12, cup holder; 13, motor; 14, crushing knife; 30, power board; 20, main unit; 21, supporting platform; 211, enclosure; 212, top plate; 213, through hole; 201, air inlet; 202, air outlet; 203, water leakage hole; 204, water collecting trough; 40, first cooling air duct; 50, second cooling air duct; 60, baffle; 70, third cooling air duct; 80, fourth cooling air duct; 90, mounting cover; 91, notch; 92, cover top wall. DETAILED DESCRIPTION

[0039] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0040] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the protection scope of the present invention is not limited by the specific embodiments disclosed below. It should be noted that the embodiments of the present invention and the features in each embodiment may be combined with each other without conflict.

[0041] In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0042] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0044] like Figure 1-5 As shown, the utility model provides a food processing machine that prevents water from entering the main machine in implementation example 1, including a cup assembly 10 and a main machine 20 with a built-in power board 30, the top wall of the main machine 20 is provided with a supporting platform 21 for supporting the cup assembly, the cup assembly 10 includes a cup body 11, a cup holder 12 fixed at the bottom of the cup body, and a motor 13 fixed in the cup holder, the motor 13 is a variable frequency brushless motor, the rotating shaft of the motor 13 is in the cup body and is connected to a crushing knife 14, a first heat dissipation duct 40 for dissipating heat from the motor is provided in the cup holder 12, the power board 30 is provided with an IPM module (not shown) electrically connected to the motor, the main machine 20 is provided with an air inlet 201 and an air outlet 202 to form a second heat dissipation duct 50 for dissipating heat from the power board, the air outlet 202 is located on the supporting platform 21 and is connected to the first heat dissipation duct 40, and a baffle 60 is provided in the second heat dissipation duct 50 to block the air outlet 202 and the power board 30.

[0045] Preferably, the cup assembly 10 is detachably mounted on the supporting platform 21 .

[0046] It should be noted that the present invention does not limit the specific heat dissipation paths of the host 20 and the cup holder 12. For example, in implementation example 1, the air inlet path and the air outlet path of the whole machine use different air ducts to achieve efficient heat dissipation. Figure 2 As shown, the first heat dissipation duct 40 and the second heat dissipation duct 50 are connected to form the air inlet duct of the whole machine. The external cold air passes through the first heat dissipation duct 40 and the second heat dissipation duct 50 in sequence, exchanges heat with the power board and the motor, and takes away the heat of the power board 30 and the motor 13; Figure 5 As shown, the cup holder 12 and the host 20 are also respectively provided with a third heat dissipation duct 70 and a fourth heat dissipation duct 80 which are connected to each other. The hot air after heat exchange is discharged to the outside through the third heat dissipation duct 70 and the fourth heat dissipation duct 80, thereby realizing the heat dissipation of the power board 30 and the motor 13.

[0047] The present embodiment provides a food processing machine that can prevent water from entering the main machine. The variable frequency brushless motor is adopted. Compared with the traditional series-excited motor, the variable frequency brushless motor has a coil that is generally protruding outside the stator, and the coil needs to be installed in a avoidance manner. Therefore, the use of the variable frequency brushless motor is beneficial to improving the space utilization of the whole machine, facilitating compact installation to reduce the size of the entire cup assembly 10, avoiding too much burden on the user's operation, and facilitating the user's mobile operation. On this basis, since the variable frequency brushless motor and the IPM module electrically connected to the variable frequency brushless motor will have high working heat, a first heat dissipation duct 40 is set in the cup holder 12, and a second heat dissipation duct 50 is set in the host 20, and the air outlet 202 is connected to the first heat dissipation duct 40, so that the power board 30 can use the heat dissipation fan of the motor 13 to drive the air flow circulation to achieve heat dissipation, and simultaneously achieve good heat dissipation of the motor 13 and the power board 30. Since the air outlet 202 is located on the supporting platform 21, when the user carries water droplets after cleaning the cup assembly 10 or when overflow occurs during the processing of the cup assembly 10, the water flow will accumulate on the supporting platform 21, and there is a water flow along the outlet In the case where the air outlet 202 refluxes into the second heat dissipation duct 50, a baffle 60 is provided in the second heat dissipation duct 50 to block the water from flowing back into the second heat dissipation duct 50, thereby increasing the difficulty for the water to enter the second heat dissipation duct 50 and flow toward the power board 30, and making the water reflux path tortuous. On the premise of ensuring smooth flow of air in the second heat dissipation duct 50 to achieve heat dissipation of the power board 30 and the motor 13, the host 20 can also be reliably waterproofed, the power board 30 can be protected from water damage, the service life of the power board 30 and other electrical components in the second heat dissipation duct 50 can be extended, and the service life of the entire machine can be extended.

[0048] Preferably, in implementation example 1, Figure 1-5 As shown, the power board 30 is laterally staggered from the air outlet 202, and the baffle 60 extends from top to bottom to block between the air outlet 202 and the power board 30. More preferably, the baffle 60 extends from top to bottom in a direction away from the power board 30, and the baffle 60 extends below the air outlet 202, that is, the projection of the air outlet 202 in the horizontal direction overlaps with the baffle 60.

[0049] By staggering the power board 30 and the air outlet 202 horizontally, it is effectively avoided that when there is a lot of water flow above the support platform 21, the water flow directly drips from the air outlet 202 onto the power board 30. The baffle 60 extends from top to bottom to block between the air outlet 202 and the power board 30. The baffle 60 can make the path of water flow to the power board 30 tortuous, increase the difficulty of water entering the power board 30, and protect the power board 30. By extending the baffle 60 from top to bottom in a direction away from the power board 30, and extending the baffle 60 to below the air outlet 202, that is, the baffle 60 can receive and guide the water droplets that accidentally flow into the air outlet 202, and guide them to a direction away from the power board 30, thereby further reducing the probability of water flow to the power board 30.

[0050] Preferably, in implementation example 1, a mounting cover 90 is further provided in the host 20 and is mounted above the power board 30. The mounting cover 90 and the bottom wall of the host 20 are combined to form a second heat dissipation duct 50. Preferably, a notch 91 is provided on the side wall of the mounting cover, and the baffle plate 60 includes a first baffle portion for blocking the notch 91 and a second baffle portion extending upward from the first baffle portion to block the gap between the mounting cover and the support platform 21.

[0051] like Figure 3 As shown, preferably, the bottom end of the baffle 60 is lower than the bottom edge of the notch 91 .

[0052] By setting up the installation cover 90, the second heat dissipation duct 50 is formed by utilizing the installation cover 90 and the bottom wall of the main unit 20, so that the heat dissipation airflow of the power board 30 can be further concentrated and converged in the second heat dissipation duct 50, thereby preventing airflow loss and increasing the heat exchange between the cold air and the power board 30, thereby improving the heat dissipation efficiency of the power board 30.

[0053] By opening a gap 91 on the side wall of the mounting cover 90, the airflow of the second heat dissipation duct 50 can flow smoothly. The baffle plate 60 includes a first baffle portion for blocking the gap, thereby effectively preventing water entering from the air outlet 202 from directly entering the gap and damaging the power board 30. At the same time, the baffle plate 60 also includes a second baffle portion extending upward from the first baffle portion to block the gap between the mounting cover and the support platform 21, effectively preventing water from flowing to the top of the mounting cover, making the waterproofing more comprehensive, and greatly improving the waterproofness of the host 20.

[0054] More preferably, if Figure 3 , Figure 4 As shown, the top wall 92 of the mounting cover 90 extends obliquely upward toward one end close to the air outlet 202;

[0055] By extending the top wall of the mounting cover upwardly and tilted toward the end near the air outlet 202, a high-position flow blocker is formed at the end near the air outlet 202. While a certain avoidance space is provided between the mounting cover and the supporting platform 21 of the main unit 20, the risk of water ingress caused by excessive avoidance space can be blocked. This not only facilitates the installation avoidance of the mounting cover, ensures a reliable structure, but also improves the waterproof performance.

[0056] It should be noted that the present invention does not limit the location and fixing method of the baffle plate 60. For example, in implementation example 1, preferably, the baffle plate 60 is detachably mounted on one end of the mounting cover close to the air outlet 202 by means of a buckle.

[0057] By fixing the baffle plate 60 at one end of the mounting cover, the mounting cover integrates multiple functions, simplifies the structure, and reduces the cost. By detachably mounting the baffle plate 60 at one end of the mounting cover, the baffle plate 60 and the mounting cover can be more flexibly matched, and can be easily replaced or repaired separately.

[0058] Of course, it is understandable that the baffle plate 60 can also be fixed on the mounting cover by screws, or the baffle plate 60 and the mounting cover can be integrally formed. The fixing position of the baffle plate 60 of the utility model can also be:

[0059] Implementation Example 2, such as Figure 6 As shown, the difference from the implementation example 1 is that the baffle plate 60 is fixed to the mounting platform of the host 20 and extends downward. More preferably, the baffle plate 60 extends downward from the edge of the air outlet 202.

[0060] The baffle plate 60 is fixed on the mounting platform of the host 20, which can effectively avoid the formation of a matching gap between the baffle plate 60 and the mounting platform. Therefore, after water enters the air outlet 202 of the host 20, the path for water to flow laterally along the inner side of the mounting platform to the inside of the host 20 is cut off, so that the water flows away from the power board 30 under the blocking effect of the baffle plate 60, thereby improving the waterproof performance of the host 20.

[0061] Implementation Example 3 is different from Implementation Example 1 in that the baffle plate 60 is fixed to the bottom wall of the main unit 20 and extends upward.

[0062] The baffle plate 60 is fixed on the bottom wall of the main unit 20 and is integrally formed with the bottom wall, which is convenient to process and effectively avoids the formation of a matching gap between the baffle plate 60 and the bottom wall of the main unit 20, thereby preventing water from flowing horizontally and protecting the power board 30.

[0063] In a preferred embodiment of the present invention, for example, in implementation example 1, as Figure 1-5 As shown, the supporting platform 21 is provided with a surrounding plate 211 which surrounds the air outlet 202 and protrudes upward.

[0064] By arranging a panel 211 on the support platform 21 and protruding upward around the air outlet 202 , water on the surface of the support platform 21 can be blocked from directly entering the air outlet 202 , thereby preventing the main unit 20 from being flooded from the source.

[0065] More preferably, a top plate 212 for shielding the air outlet 202 is provided at the top of the enclosure, and a transverse through hole 213 is opened in the enclosure 211 , and the through hole 213 is communicated with the air outlet 202 .

[0066] By setting the top plate 212, the top plate 212 directly blocks the air outlet 202, so as to prevent the water droplets carried by the user from directly dripping into the air outlet 202 when the user takes the cup assembly 10, and also prevent foreign objects from entering the air outlet 202 to block the second heat dissipation duct 50 and affect the heat dissipation. A transverse through hole 213 is provided on the enclosure 211, and the through hole 213 is connected to the air outlet 202, so that the air flow and water flow can enter the second heat dissipation duct 50 in a zigzag manner, thereby achieving good heat dissipation of the host 20 and achieving effective waterproofing of the host 20.

[0067] In fact, by setting the top plate 212, the top plate 212 cooperates with the baffle plate 60 to form effective shielding for the outer side and the inner side of the air outlet 202, thereby further reducing the probability of water ingress into the air outlet 202 and protecting electrical components such as the power board 30 inside the host 20.

[0068] In a preferred embodiment of the present invention, for example, in implementation example 1, as Figure 1-5 As shown, the bottom wall of the host 20 is provided with a water leakage hole 203 below the air outlet 202 .

[0069] Optionally, the bottom wall of the host 20 is provided with a water collecting tank 204 located below the air outlet 202, and a water leakage hole 203 is opened at the bottom of the water collecting tank 204. For example, a convex rib surrounding the water leakage hole is provided on the inner bottom wall of the host 20 to form a water collecting tank.

[0070] By providing a leak hole on the bottom wall of the host 20, when water accidentally flows into the air outlet 202 of the host 20, the water flowing into the host 20 can be discharged from the host 20 through the leak hole, thereby preventing water from accumulating inside the host 20 and causing water to enter the power board 30. By providing a water collection tank, water droplets splashing or flowing into the host 20 are collected and guided to be discharged from the leak hole, thereby keeping the internal environment of the host 20 dry.

[0071] In addition, in implementation example 1, if Figure 3 As shown, an air guide tube 205 is further provided on the side of the mounting cover 90 . The air guide tube 205 extends vertically to connect between the air outlet 202 and the water leakage hole 203 . The baffle plate 60 is located in the air guide tube 205 .

[0072] The parts not described in the present invention can be realized by adopting or drawing on the existing technology.

[0073] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0074] The above are only embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A food processor that prevents water from entering the main unit, comprising a cup assembly and a main unit with a built-in power board, wherein the top wall of the main unit is provided with a supporting platform for supporting the cup assembly, the cup assembly comprises a cup body, a cup seat fixed at the bottom of the cup body, and a motor fixed in the cup seat, characterized in that: The motor is a variable frequency brushless motor, a first heat dissipation duct for dissipating the heat of the motor is provided in the cup holder, an IPM module electrically connected to the motor is provided in the power board, an air inlet and an air outlet are provided in the host to form a second heat dissipation duct for dissipating the heat of the power board, the air outlet is located on the support platform and is connected to the first heat dissipation duct, and a baffle is provided in the second heat dissipation duct to block between the air outlet and the power board.

2. A food processing machine capable of preventing water from entering the main machine according to claim 1, characterized in that: The power board is laterally staggered from the air outlet, and the baffle extends from top to bottom to block between the air outlet and the power board.

3. A food processing machine capable of preventing water from entering the main machine according to claim 2, characterized in that: The baffle plate extends from top to bottom in a direction away from the power board, and the baffle plate extends to below the air outlet.

4. A food processing machine capable of preventing water from entering the main machine according to claim 1, characterized in that: The host is also provided with a mounting cover mounted above the power board, and the mounting cover and the bottom wall of the host are combined to form the second heat dissipation duct.

5. A food processing machine capable of preventing water from entering the main machine according to claim 4, characterized in that: A notch is formed on the side wall of the mounting cover, and the baffle plate comprises a first baffle portion for shielding the notch and a second baffle portion extending upward from the first baffle portion to shield the gap between the mounting cover and the supporting platform.

6. A food processing machine capable of preventing water from entering the main machine according to claim 4, characterized in that: The top wall of the mounting cover extends obliquely upward toward one end close to the air outlet; Alternatively, the baffle is fixedly or detachably mounted on an end of the mounting cover close to the air outlet.

7. The food processing machine capable of preventing water from entering the main machine according to claim 1, characterized in that: The baffle is fixed to the mounting platform of the host and extends downward; Alternatively, the baffle is fixed to the bottom wall of the mainframe and extends upward.

8. The food processing machine capable of preventing water from entering the main machine according to claim 1, characterized in that: The supporting platform is provided with a surrounding plate which surrounds the air outlet and protrudes upward.

9. A food processing machine capable of preventing water from entering the main machine according to claim 8, characterized in that: A top plate for shielding the air outlet is arranged at the top end of the enclosure, and a transverse through hole is opened in the enclosure, and the through hole is communicated with the air outlet.

10. The food processing machine capable of preventing water from entering the main machine according to claim 1, characterized in that: The bottom wall of the main unit is provided with a water leakage hole located below the air outlet; Alternatively, the bottom wall of the main unit is provided with a water collecting tank below the air outlet, and a water leakage hole is opened at the bottom of the water collecting tank.

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