CN212438346U

CN212438346U - Flat base silence heating stirring food processor

Info

Publication number: CN212438346U
Application number: CN201921796674.1U
Authority: CN
Inventors: 王莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-22
Filing date: 2019-10-22
Publication date: 2021-02-02
Anticipated expiration: 2029-10-22
Also published as: CN110664283B; CN110664283A; CN109222687A

Abstract

The utility model relates to a flat base silence heating stirring food processor belongs to domestic, commercial food processing field, has solved the problem that current food processor complete machine is bulky, the noise is big. The utility model discloses a food processor comprises a main machine base and a stirring pot arranged on the main machine base, wherein the main machine base is detachably connected with the stirring pot, the stirring pot comprises a vertically arranged stirring cup, a cup cover is arranged at the upper end of the stirring cup, a bottom cover is horizontally arranged at the lower end of the stirring cup, the bottom cover is connected with the main machine base, and the height ratio of the main machine base to the stirring cup is 0.2-0.4; the host computer base includes the shell, the inside turbine heat radiation structure that is equipped with of shell. The utility model discloses a set up the height of host computer base, make the host computer base be the platykurtic, reduced the complete machine volume, be convenient for storage and transportation adopt turbine heat radiation structure to reduce the noise among the heat dissipation process, strengthen customer's experience and feel.

Description

Flat base silence heating stirring food processor

Technical Field

The utility model discloses claim application No. 201811232223.5, application date 2018.10.22, entitled priority of a flat base silence heating stirring food processor.

The utility model relates to a domestic, commercial food processing technology field especially relates to a flat base silence heating stirring food processor.

Background

At present, the length-diameter ratio of a motor of a household and commercial food mixer in the global market is 1.1-1.8, so that the height of a main machine is too large, and meanwhile, a common vertical or retroverted fan blade is arranged on a main machine base to dissipate heat, so that the overall appearance height of the main machine base is further increased, the food mixer is not only wasted in packaging materials and cost in the production and transportation process, but also certain trouble is caused in the selection of space in the use and storage process. Meanwhile, due to the friction of the carbon brush of the series motor and the noise generated by the high-speed cooling fan blades, the noise of the whole machine of the product is very high, and the physical examination feeling of a customer is reduced.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing analysis, an embodiment of the present invention is directed to a flat-base silent heating and stirring food processor, which is used to solve the problems of large overall size and large noise of the existing food processor.

The embodiment of the utility model provides a flat base silence heating stirring food processor, including host computer base and the agitator kettle of setting on the host computer base, host computer base and agitator kettle can dismantle the connection, its characterized in that, the agitator kettle includes the stirring cup of vertical setting, and the upper end of stirring cup is provided with the bowl cover, the lower extreme level of stirring cup is provided with the bottom, and the bottom is connected with the host computer base, and the height ratio of host computer base and stirring cup is 0.2 ~ 0.4; the host computer base includes the shell, the inside turbine heat radiation structure that is equipped with of shell.

Further, a knife assembly is arranged in the bottom cover, a sealing ring is arranged at the lower end of the knife assembly, and a heating disc is arranged at the lower end of the sealing ring.

Further, an upper clutch is arranged in the bottom cover, a lower clutch is arranged in the shell, the lower clutch is connected with the upper clutch in an adaptive mode, the upper clutch is connected with the cutter assembly, and the lower clutch is connected with an output shaft of the motor.

Further, the motor is arranged on the first motor embedded in the mounting frame, the lower cover is provided with an air outlet, the position of the air outlet is matched with the first motor, the lower end of an output shaft of the first motor is connected with the turbine fan blade, and the lower clutch is connected with the upper end of the output shaft of the first motor.

Further, the motor is arranged on a second motor embedded in the shell, an independent heat dissipation system is arranged in the shell, and the lower clutch is connected with the upper end of an output shaft of the second motor.

Furthermore, the first motor and/or the second motor adopt an ultrathin blade-cooling direct-current brushless motor, and the ratio of the height of the main machine base to the height of the ultrathin blade-cooling direct-current brushless motor is 1.1-1.5.

Furthermore, the radius R of the ultrathin blade-cooling direct-current brushless motor is 35-65 mm, the height H is 40-70 mm, the power density is 0.7-1.6 KW/kg, the low-speed rotation torque is 0.5-2.5 N.m, and the ratio of the low-speed torque to the high-speed torque is 4-5.

Further, the first motor adopts a sensorless detection mode or a Hall assembly detection mode to acquire rotating speed and position signals; the second motor is provided with a magnetic encoder or an optical encoder or a rotary transformer type sensor, and the magnetic encoder or the optical encoder or the rotary transformer type sensor is used for acquiring the rotating speed and the position information of the second motor.

Further, the ultrathin blade-cooling brushless direct-current motor comprises a stator core and a rotor core, wherein the stator core comprises an annular stator yoke part and a plurality of stator tooth parts arranged on the inner circumferential surface of the annular stator yoke part, a stator tooth slot is formed between every two adjacent stator tooth parts, and a stator hole coaxial with the stator yoke part is defined by the plurality of stator tooth parts; the rotor core is rotatably arranged in the stator hole and is coaxial with the stator hole; and a plurality of magnetic break grooves are arranged on the rotor iron core.

Further, the rotor pole arc outer diameter d1 is

The rotor core is formed by laminating N sections of laminated sheets, wherein N is more than or equal to 1 and less than or equal to 4; the offset angle theta of the pole arc center of each section of the rotor magnetic pole is 0-10 degrees; the maximum radial dimension D1 of the stator yoke is 70-130 mm, and the ratio of the height of the ultrathin leaf-cooling direct-current brushless motor to the outer diameter of the stator yoke is more than or equal to 0.15 and less than or equal to 1 in terms of H/D1; the minimum distance h1 between the magnet slot and the peripheral surface of the rotor core is 0.2-2 mm, and the distance h2 between the upper edge of the magnetic break slot and the outer diameter surface of the eccentric pole arc of the rotor is 0.2-2; the distance h3 between the side edge of the magnetic break groove and the rotor magnet is 0.2-2; the length L of the magnetic break groove is 1-14 mm, the outer diameter of the eccentric pole arc of the rotor is d2, d 2: d1 is 0.7-0.95.

Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:

(1) by setting the height ratio of the host base to the stirring cup to be 0.2-0.4, the height ratio of the host base to the ultrathin leaf-cooling brushless direct current motor to be 1.1-1.5, the radius R of the ultrathin leaf-cooling brushless direct current motor to be 35-65 mm, and the height H of the ultrathin leaf-cooling brushless direct current motor to be 40-70 mm, the height of the host base is reduced, the host base is flattened, the overall height of the food processor is reduced, the occupied space in the transportation and storage processes is reduced, meanwhile, the investment of packaging cost is reduced, and the cost is reduced;

(2) the turbine heat dissipation structure is arranged, so that noise in the heat dissipation process is reduced, the direct-current brushless motor is adopted, noise generated by carbon brush friction is avoided, and the physical examination feeling of a customer is enhanced;

(3) by arranging the sealing ring between the cutter assembly and the heating disc, water in the stirring cup is prevented from entering the bottom cover and further entering the base of the main machine, so that potential electrical injury is prevented;

(4) the low-speed rotating torque of the ultrathin blade-cooling direct-current brushless motor is 0.5-2.5 N.m, the ratio of the low-speed torque to the high-speed torque is 4-5, the required power can be achieved without additionally arranging a gear box at the low speed, an additional motor is not required to be additionally arranged for the high-speed torque, the cost is saved, and the volume of a host base is reduced;

(5) the inductive control of the feedback of the magnetic encoder or the optical encoder or the rotary variable pressure type sensor is adopted, so that the second motor does not need to be additionally provided with a gear box at a low-speed section, the size of a main machine base is reduced, the cost and the noise are reduced, and sufficient torque is provided for the second motor under the condition of direct driving.

The utility model discloses in, can also make up each other between the above-mentioned each technical scheme to realize more preferred combination scheme. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, wherein like reference numerals are used to designate like parts throughout the drawings.

FIG. 1 is a sectional view of a blender cup structure of a food processor;

FIG. 2 is a cross-sectional view of a base structure of a main body of the food processor;

FIG. 3 is a schematic view of a lower cover of the food processor;

FIG. 4 is a cross-sectional view of a first motor configuration of the food processor;

FIG. 5 is a cross-sectional view of a second motor configuration of the food processor;

FIG. 6 is a schematic of the DC brushless motor height and diameter of the food processor;

FIG. 7 is a schematic view of the overall structure of the food processor;

FIG. 8 is an exploded view of the main body base of the food processor with the first motor installed;

FIG. 9 is a schematic view of a stator core and rotor core assembly of a motor for a food processor;

FIG. 10 is a schematic view of a rotor core structure of a motor of the food processor;

FIG. 11 is a schematic view of the center offset angle of the pole arc of the rotor of the motor of the food processor;

fig. 12 is a schematic view of the misalignment of the rotor core laminations of the motor of the food processor.

Reference numerals:

1-a cup cover; 2-a stirring cup; 3-bottom cover; 4-knife combination; 5-sealing ring; 6-a heating plate; 7-an upper clutch; 8-upper cover; 9-a housing; 10-lower cover; 11-a control circuit board; 12-a display circuit board; 13-a first motor; 14-lower clutch; 15-a lower coupler; 16-air outlet; 17-turbine blades; 18-a second motor; 19-a filter plate; 20-an upper coupler; 21-a magnetic encoder; 22-a hall assembly; 23-a vent; 24-a gas flow channel; 25-a touch panel; 26-a wind guide shell; 27-a stator core; 271-a stator yoke; 272-stator teeth; 273-stator tooth grooves; 274-stator bore; 28-rotor core; 281-magnetic break groove; 282-rotor magnet.

Detailed Description

The following detailed description of the preferred embodiments of the invention, which is to be read in connection with the accompanying drawings, forms a part of the invention, and together with the embodiments of the invention, serve to explain the principles of the invention and not to limit the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "height", "upper", "lower", "front", "rear", "inner", "outer", and the like indicate orientations or positional relationships based on the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, or be operated, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-4 and 7-8, in an embodiment of the present invention, a flat base silent heating and stirring food processor includes a stirring pot disposed at an upper end and a main machine base disposed at a lower end, and the stirring pot includes a stirring cup 2 disposed vertically, a cup cover 1 disposed at the upper end of the stirring cup 2, a handle disposed at a right side of the stirring cup 2, a bottom cover 3 disposed at a lower end of the stirring cup 2, the bottom cover 3 connected to the main machine base, a height ratio of the main machine base to the stirring cup being 0.2-0.4, a knife assembly 4 vertically disposed at a middle position of the bottom cover 3, a sealing ring 5 disposed at a lower end of the knife assembly 4, a heating plate 6 disposed at a lower end of the sealing ring 5, an upper clutch 7 disposed in the bottom cover 3, and a lower clutch 14 disposed in a housing 9 in cooperation with the upper clutch 7, the upper end of the lower clutch 14 is provided with a lower coupler 15, the bottom cover 3 is internally provided with an upper coupler 20 in a matching manner, the host base comprises a shell 9, the shell 9 comprises an upper cover 8 and a lower cover 10, the left half part inside the shell 9 is provided with a display circuit board 12, and the lower end of the display circuit board 12 is provided with a control circuit board 11; through two parts of modular installation agitator kettle and host computer base, through last coupler 20 and the cooperation of lower coupler 15, realize electric energy and signal transmission in the process, go up the transmission of clutch 7 and the cooperation realization moment of torsion of clutch 14 down, realize corresponding stirring operation, good adaptability has, simultaneously through control circuit board 11 control heating plate 6 work generate heat, and adopt turbine heat radiation structure, gather signal drive turbine fan blade 17 through hall subassembly 22 on the first motor 13 and realize the heat dissipation, the design of platykuzation reduces and makes the transportation packing cost, convenience of customers uses and storage, promote user noninductive experience, the innovative breakthrough of host computer base thickness size has been realized.

Specifically, in the embodiment, by setting the height ratio of the host base to the stirring cup 2 to be 0.2-0.4, H1 represents the sum of the height of the cup cover 1 and the height of the stirring cup 2, and H2 represents the height of the host base, illustratively, the height of the host base is 84mm, and the height of the stirring cup 2 is 250-.

The shell 9 is the cuboid for the appearance, and one of them bottom surface is replaced by lower cover 10, and the right side of bottom surface is seted up on shell 9 with the fixed knot structure that the protrusion of base 3 looks adaptation or concave yield set up, and stirring cup 2 relies on self gravity to stably sit to establish in the fixed knot structure of bottom surface on shell 9, makes last clutch 7 in the bottom 3 be connected with lower clutch 14 in the shell 9, realizes the transmission of power.

The knife assembly 4 is arranged in the bottom cover 3, the heating disc 6 is sleeved at the bottom of the cup body, close to the stirring cup 2, on the knife assembly 4, so that food can be heated conveniently, and the sealing ring 5 is positioned between the knife assembly 4 and the heating disc 6.

In this embodiment, the first motor 13 is adapted to the position of the air outlet 16 provided in the lower cover 10, the front and rear sides of the housing 9 are provided with vents 23, the vents 23 are close to the lower cover 10, the vents 23 are adapted to the air outlet 16, and according to the requirement of a silencing effect, the air channel of the air outlet 16 can be filled with sound-absorbing and noise-reducing cotton, for example, the vents 23 are set to be in a grid form, and a filter screen with good air permeability is installed at the vents 22 in consideration of the requirement of dust prevention. The lower output shaft of the first motor 13 is connected with a turbine fan blade 17, and the lower clutch 14 is connected with the upper output shaft of the first motor 13. The first motor 13 receives the control signal from the control circuit board 11, outputs different rotation speeds and torques, and transmits the different rotation speeds and torques to the blade assembly 4 through the upper clutch 7 and the lower clutch 14.

In order to be matched with a turbine heat dissipation structure to dissipate heat generated by the control circuit board 11, the display circuit board 12 and the first motor 13, a gas flow channel 24 is arranged on the lower cover 10, the gas flow channel 24 is designed to be an involute streamline air outlet of a blower, the gas flow channel 24 can be single or double according to air quantity noise, the streamline gas flow channel 24 is communicated with an air vent 23 on the side wall of the shell 9, a turbine fan blade 17 is arranged in the gas flow channel 24, and a wind guide shell 26 is matched with the gas flow channel 24 in shape, so that the heat can be dissipated, the wind pressure of the turbine fan blade 17 superior to that of a conventional fan blade has a strong wind-resistant attenuation effect, the air transmission capacity is strong, a further heat dissipation system air channel can be selected to be provided with sound insulation and sound absorption cotton.

In order to realize better cooling effect, the air duct matched with the turbine fan blade 17 adopts an involute type turbine shell double air outlet channel form, and an air inlet front and back inner sinking type air inlet structure ensures overflow test. Turbine blade 17 external diameter

The turbine fan blades 17 are made of plastics or metal, and the number of the turbine fan blades 17 is 3-15; the height of the turbine fan blade 17 is 2-15 mm; the tangential angle of the air outlet of the turbine fan blade 17 is 56 degrees +/-15 degrees, compared with the conventional axial flow fan blade and the conventional centrifugal fan blade, the volume is reduced by 20-30 percent, and the air pressure is improved by more than 20 percent.

The display circuit board 12 is used for operation of a user, the touch pad 25 is connected through a buckle or a screw, the touch pad 25 is connected to the left side of the upper bottom surface of the shell 9 through the buckle or the screw, a function control spring key and a display screen of the food processor are integrated on the display circuit board 12, the display circuit board 12 is further controlled through a wireless exchange technology and a mobile APP (Application) or a network-connected wireless device (WIFI or Bluetooth), the spring key is prevented from being directly pressed by a hand through the arrangement of the touch pad 25, the service life of the spring key is prolonged, and further, the touch pad 25 can be replaced by a conventional IMD (In-Mold Decoration, In-Mold injection molding or transfer printing technology) panel, a capacitor or a resistance touch screen; the control circuit board 11 is arranged at the lower end of the display circuit board 12, is placed horizontally or non-horizontally up and down, and is connected through screws or buckles.

In consideration of the EMC (Electro Magnetic Compatibility) filtering requirements of other countries or regions, in this embodiment, a filter board 19 placed horizontally, vertically or obliquely is disposed in a space where the control circuit board 11 is mounted on the left side of the housing 9, and the control circuit board 11 combines five functions into one control board, that is, the control board is used for driving a motor, controlling the heating of a mixing cup, preventing overflow safety, identifying cup appliances, and providing a required low-voltage power supply and control data exchange for the display circuit board 12.

In this embodiment, for the food processor with the low power of below 800 w, the turbine blade 17 may not be installed at the lower end of the output shaft of the first motor 13, and the heat may be dissipated by self-cooling.

Example two

Referring to fig. 1 to 7, in the first embodiment, the turbine heat dissipation structure includes a horizontally disposed mounting bracket, a first motor 13 is vertically embedded in a right half section of the mounting bracket, an air outlet 16 is disposed on a lower cover 10, the position of the air outlet 16 is matched with the position of the first motor 13, a turbine blade 17 is disposed at a lower end of an output shaft of the first motor 13, a second motor 18 is disposed inside the housing 9 in cooperation with the knife assembly 4, and a control circuit board 11 is disposed in cooperation with the upper cover 8, the first motor 13 and the second motor 18 are ultra-thin blade cooling dc brushless motors, a ratio between a height of a main frame base and a height of the ultra-thin blade cooling dc brushless motor is 1.1 to 1.5, a radius R of the main frame base is 35 to 65mm, a height H of the main frame base is 40 to 70mm, a power density of the motors is 0.7 to 1.6KW/KG, a low-speed rotation torque of the motors is 0.5 to 2.5N · m, the ratio of the low-speed torque to the high-speed torque of the motor is 4-5, the ratio of the height of the shell 9 to the height of the motor is 1.1-1.5, the high-power version tile above 800 is innovatively realized, the high-efficiency silent turbine heat dissipation technology is adopted, the non-fan blade self-cooling heat dissipation technology is adopted in the version below 800 watts, the noise index of the stirring machine is leap-over, and the silencing effect is good.

Specifically, the first motor 13 and the second motor 18 are both ultra-thin dc brushless motors, so that noise generated by friction of carbon brushes of the series excited motor is avoided, and superposition of external noise is effectively reduced. In this embodiment, the feedback mode of the first motor 13 for acquiring the rotation speed and position signal control is inductive control or non-inductive control fed back by the hall assembly 22; the feedback mode of the second motor 18 for collecting the rotating speed and position signal control is inductive control of feedback of the magnetic encoder 21, wherein the magnetic encoder 21 can be further replaced by an optical encoder or a rotary transformer type sensor, the installation positions of the magnetic encoder 21, the optical encoder and the rotary transformer type sensor are the same, and the inductive control of the feedback of the magnetic encoder 21 or the optical encoder or the rotary transformer type sensor is adopted, so that the second motor does not need to additionally increase a gear box at a low-speed section, the size of a main machine base is reduced, the cost and the noise are reduced, and under the condition of direct drive, enough torque is provided for the second motor.

In order to further reduce the volume of the food processor, compared with the food processor with the height of the main machine base of 200-260 mm and the height of the motor of 90mm in the prior art, the ratio of the height of the main machine base to the height of the ultrathin leaf-cooling direct-current brushless motor is set to be 1.1-1.5; the radius R of the ultrathin blade-cooling brushless DC motor is 35-65 mm, the height H is 40-70 mm, exemplarily, the radius R of the ultrathin blade-cooling brushless DC motor is 45.5, and the height H is 62.5, compared with series excitation motors U80, U82, U88, U95 and U98 used in food processors on the market, the size of the ultrathin blade-cooling brushless DC motor is reduced, the size of a host base is further reduced, the host base is flat, and the size of the food processor is integrally reduced. It should be noted that, considering the upgrade of the product in the household and commercial application fields, the power level is increased, the height size of the host base and the ultra-thin blade-cooling dc brushless motor is also increased accordingly, and therefore, it is within the scope of the design concept that the height ratio fluctuates within 15% from top to bottom.

In this embodiment, the power density of the ultra-thin blade-cooling brushless DC motor is 0.7-1.6 KW/kg, the low-speed rotation torque is 0.5-2.5 N.m, and the ratio of the low-speed torque to the high-speed torque is 4-5. The larger the power density is, the larger the power of the motor is under the same volume; the low-speed rotation torque shows that the function of multiple motors can be realized by one motor, the traditional design of the low-speed motor can be realized by adding a gear box, the low speed is weak without adding the gear box, the torque output requirement cannot be met, the high speed direct drive can be realized, the cost is increased, and the product provided with the ultrathin blade-cooling direct-current brushless motor can realize the design of multiple accessories and multiple functions.

As shown in fig. 9 to 12, the ultra-thin blade-cooled dc brushless motor includes a stator core 27 and a rotor core 28, the stator core 27 includes an annular stator yoke 271 and a plurality of stator teeth 272 disposed on an inner circumferential surface of the annular stator yoke 271, a stator slot 273 is formed between two adjacent stator teeth 272, and the plurality of stator teeth 272 define a stator coaxial with the stator yoke 271An aperture 274; the rotor core 28 is rotatably disposed within the stator bore 274 and is coaxial with the stator bore 274; the rotor core 28 is provided with a plurality of break grooves 281. Rotor pole arc outside diameter d1 of

The rotor core 28 is formed by laminating N sections of laminated sheets, wherein N is more than or equal to 1 and less than or equal to 4; the offset angle theta of the pole arc center of each section of the rotor magnetic pole is 0-10 degrees, illustratively, the rotor core 28 is formed by dislocation of 2 sections of core laminations, as shown in fig. 12, a represents the length of the whole section of the rotor core, a1 represents the length of the first section of the rotor core, and a2 represents the length of the second section of the rotor core; the maximum radial dimension D1 of the stator yoke 271 is 70-130 mm, and the ratio of the height of the ultrathin leaf-cooling direct-current brushless motor to the outer diameter of the stator yoke 271 is more than or equal to 0.15 and less than or equal to 1 in terms of H/D1; the minimum distance h1 between the magnet slot and the outer peripheral surface of the rotor core 28 is 0.2-2 mm, and the distance h2 between the upper edge of the magnetic break slot 281 and the outer diameter surface of the eccentric pole arc of the rotor is 0.2-2; the distance h3 between the side of the magnetic break groove 281 and the rotor magnet 282 is 0.2-2, and the rotor magnet 282 is placed in the magnet groove; the length L of the magnetic break groove 281 is 1-14 mm, the outer diameter of the eccentric pole arc of the rotor is d2, d 2: d1 is 0.7-0.95. The structure ensures that the ultrathin blade-cooling brushless direct current motor has higher efficiency and lower magnetic loss, so that the die for manufacturing the stator core 27 has longer service life.

In this embodiment, a first motor 13 and a second motor 18 are simultaneously disposed in the housing 9, the lower end of the output shaft of the first motor 13 is connected to a turbine blade 17 for heat dissipation, and the upper end of the output shaft of the second motor 18 is connected to a lower clutch 14 for driving the blade assembly 4 to work.

EXAMPLE III

In this embodiment, a second motor 18 and an independent heat dissipation system are arranged in the housing 9, the upper end of an output shaft of the second motor 18 is connected with a lower clutch 14 for driving the blade assembly 4 to work, and the lower end of the output shaft is provided with a magnetic encoder 21 or an optical encoder or a rotary variable pressure sensor for collecting rotating speed and position signals. In this embodiment, except for the difference between the motor and the heat dissipation system, other structures are the same as those in the first embodiment, and are not described in detail herein.

The flat base mute heating and stirring food processor provided by the embodiment of the utility model has the advantages that the main machine base is in a flat design, the occupied space of the whole machine is small, and the carrying and the transportation are convenient; in addition, the brushless motor and the turbine heat dissipation structure are adopted to be matched, so that the noise removal in the whole machine operation process is realized, and the experience of customers is improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims

1. A flat-base silent heating and stirring food processor comprises a main machine base and a stirring pot arranged on the main machine base, wherein the main machine base is detachably connected with the stirring pot, and the flat-base silent heating and stirring food processor is characterized in that the stirring pot comprises a vertically-arranged stirring cup (2), a cup cover (1) is arranged at the upper end of the stirring cup (2), a bottom cover (3) is horizontally arranged at the lower end of the stirring cup (2), the bottom cover (3) is connected with the main machine base, and the height ratio of the main machine base to the stirring cup (2) is 0.2-0.4; the host computer base comprises a shell (9), and a turbine heat dissipation structure is arranged inside the shell (9).

2. The flat-base silent heating and stirring food processor as claimed in claim 1, wherein said bottom cover (3) is provided with a knife assembly (4), the lower end of said knife assembly (4) is provided with a sealing ring (5), and the lower end of said sealing ring (5) is provided with a heating plate (6).

3. The flat base silent heating and stirring food processor as claimed in claim 2, wherein an upper clutch (7) is arranged in the bottom cover (3), a lower clutch (14) is arranged in the housing (9), the lower clutch (14) is connected with the upper clutch (7) in a matching way, the upper clutch (7) is connected with the knife assembly (4), and the lower clutch (14) is connected with the output shaft of the motor.

4. The flat base silent heating and stirring food processor as claimed in claim 3, wherein the motor is a first motor (13) embedded in the mounting frame of the turbine heat dissipation structure, the lower cover (10) of the housing (9) is provided with an air outlet (16), the position of the air outlet (16) is matched with that of the first motor (13), the lower end of the output shaft of the first motor (13) is connected with a turbine blade (17), and the lower clutch (14) is connected with the upper end of the output shaft of the first motor (13);

the first motor (13) adopts an ultrathin blade-cooling direct-current brushless motor.

5. The flat base silent heating and stirring food processor as claimed in claim 3, wherein said motor is a second motor (18) embedded in said housing (9), said housing (9) is provided with a separate heat dissipation system, said lower clutch (14) is connected to the upper end of the output shaft of said second motor (18);

the second motor (18) adopts an ultra-thin blade cooling direct current brushless motor.

6. The flat base silent heating and stirring food processor as claimed in claim 4 or 5, wherein the ratio of the height of the main machine base to the height of the ultra-thin blade-cooling DC brushless motor is 1.1-1.5.

7. The flat-base food processor with mute heating and stirring functions as claimed in claim 6, wherein the ultra-thin blade-cooling DC brushless motor has a radius R of 35-65 mm, a height H of 40-70 mm, a power density of 0.7-1.6 KW/kg, a low-speed rotation torque of 0.5-2.5 N.m, and a ratio of the low-speed torque to the high-speed torque of 4-5.

8. The flat base squelched heating and blending food processor as claimed in claim 7 wherein the first motor (13) collects the speed and position signals using a sensorless detection or a hall assembly (22) detection; the second motor (18) is provided with a magnetic encoder (21) or an optical encoder or a resolver sensor, and the magnetic encoder (21) or the optical encoder or the resolver sensor is used for acquiring the rotating speed and the position information of the second motor (18).

9. The flat-base squelch heating and stirring food processor as claimed in claim 6 wherein the ultra thin blading brushless dc motor includes a stator core (27) and a rotor core (28), the stator core (27) includes an annular stator yoke (271) and a plurality of stator teeth (272) provided on the inner circumferential surface of the annular stator yoke (271), a stator tooth slot (273) is formed between two adjacent stator teeth (272), the plurality of stator teeth (272) define a stator hole (274) coaxial with the stator yoke (271); the rotor core (28) is rotatably arranged in the stator hole (274) and is coaxial with the stator hole (274); the rotor core (28) is provided with a plurality of magnetic break grooves (281).

10. The flat base squelched food processor as claimed in claim 9 wherein the rotor pole arc outside diameter d1 is

The rotor core (28) is formed by laminating N sections of laminated sheets, wherein N is more than or equal to 1 and less than or equal to 4; the offset angle theta of the pole arc center of each section of the rotor magnetic pole is 0-10 degrees; the maximum radial dimension D1 of the stator yoke part (271) is 70-130 mm, and the ratio of the height of the ultrathin leaf-cooling direct-current brushless motor to the outer diameter of the stator yoke part (271) is more than or equal to 0.15 and less than or equal to 1 in terms of H/D1; the minimum distance h1 between the magnet slot and the peripheral surface of the rotor core (28) is 0.2-2 mm, and the distance h2 between the upper edge of the magnetic break slot (281) and the outer diameter surface of the eccentric pole arc of the rotor is 0.2-2 mm; the distance h3 between the side of the magnetic break groove (281) and the rotor magnet (282) is 0.2-2; the length L of the magnetic break groove (281) is 1-14 mm,the outer diameter of the eccentric pole arc of the rotor is d2, d 2: d1 is 0.7-0.95.