阅读说明：本技术 一种扁平基座静音加热搅拌食物处理机 (Flat base silence heating stirring food processor ) 是由 王莉 于 2019-10-22 设计创作，主要内容包括：本发明涉及一种扁平基座静音加热搅拌食物处理机,属于家用、商用食物处理领域,解决了现有食物处理机整机体积大、噪音大的问题。本发明的食物处理机包括可拆卸连接的主机基座和搅拌锅,所述搅拌锅包括竖直设置的搅拌杯,搅拌杯的上端设置有杯盖,所述搅拌杯的下端水平设置有底盖,底盖与主机基座连接,主机基座的高度和搅拌杯的高度比为0.2～0.4；所述主机基座包括外壳,所述外壳内部设有涡轮散热结构,所述涡轮散热结构包括水平设置的安装架。本发明通过设置主机基座的高度与搅拌杯的高度之比,使主机基座呈扁平状,减小了整机体积,便于存储和运输,采用涡轮散热结构降低散热过程中的噪音,增强客户的体验感。(The invention relates to a flat-base mute heating and stirring food processor, belongs to the field of household and commercial food processing, and solves the problems of large overall size and high noise of the conventional food processor. The food processor comprises a host machine base and a stirring pot which are detachably connected, wherein 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 host machine base, and the height ratio of the host 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, turbine heat radiation structure includes the mounting bracket of level setting. According to the invention, the host base is flat by setting the ratio of the height of the host base to the height of the stirring cup, so that the size of the whole machine is reduced, the storage and the transportation are convenient, the noise in the heat dissipation process is reduced by adopting the turbine heat dissipation structure, and the experience of customers is enhanced.)

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 includes shell (9), and shell (9) include upper cover (8) and lower cover (10), the inside turbine heat radiation structure that is equipped with of shell (9), turbine heat radiation structure includes the mounting bracket of level setting.

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 said motor is a first motor (13) embedded in said mounting rack, said lower cover (10) is provided with an air outlet (16), said air outlet (16) is positioned to match with said first motor (13), the lower end of the output shaft of said first motor (13) is connected with a turbine blade (17), and said lower clutch (14) is connected with the upper end of the output shaft of said first motor (13).

5. The flat base squelched heating and stirring food processor as claimed in claim 3 characterized in that the motor is a second motor (18) embedded in the casing (9), a separate heat dissipation system is arranged in the casing (9), and the lower clutch (14) is connected with the upper end of the output shaft of the second motor (18).

6. The flat base quiet heating and stirring food processor as claimed in claim 4 or 5, wherein the first motor (13) and/or the second motor (18) is/are ultra-thin blade-cooling brushless DC motor, and the ratio of the height of the main machine base to the height of the ultra-thin blade-cooling brushless DC 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) uses a sensorless detection or a hall assembly (22) detection to pick up speed and position signals and the second motor (18) uses a magnetic encoder (21) or an optical encoder or a resolver sensor to pick up speed and position signals.

9. The flat-base silent heating and stirring food processor as claimed in claim 4, wherein said lower cover (10) is provided with a gas flow passage (24), said gas flow passage (24) is in the form of an involute streamline of a blower, said gas flow passage (24) is communicated with a vent (23) on the side wall of the housing (9), and the turbine blade (17) is arranged in the gas flow passage (24).

10. The flat-base silent heating and stirring food processor as claimed in claim 1, wherein a control circuit board (11), a display circuit board (12) and a filter board (19) placed horizontally, vertically or obliquely are arranged in the housing (9), and the control circuit board (11) is used for motor driving, heating control of the stirring cup, anti-overflow safety protection, cup body appliance identification and supplying required low-voltage power to the display circuit board (12).

Technical Field

The present application claims priority from application No. 201811232223.5, filing date 2018.10.22, entitled flat base quiet heat whisking food processor.

The invention relates to the technical field of household and commercial food processing, in particular to a flat-base mute heating and 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.

Disclosure of Invention

In view of the above analysis, the present invention provides a flat-base silent heating and stirring food processor, which is used to solve the problems of large overall size and high noise of the conventional food processor.

The embodiment of the invention provides a flat-base mute heating and stirring food processor which 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 mute heating and stirring food processor is characterized in that 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, and the shell includes upper cover and lower cover, the inside turbine heat radiation structure that is equipped with of shell, turbine heat radiation structure includes the mounting bracket that the level set up.

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.

Furthermore, the first motor adopts a non-sensor detection mode or a Hall assembly detection mode to acquire rotating speed and position signals, and the second motor adopts a magnetic encoder or an optical encoder or a rotary transformer type sensor detection mode to acquire rotating speed and position signals.

Further, the lower cover is provided with a gas flow channel which is in an involute streamline shape of a blower, the gas flow channel is communicated with a ventilation opening in the side wall of the shell, and the turbine fan blade is arranged in the gas flow channel.

Furthermore, a control circuit board, a display circuit board and a filter board which is horizontally placed, vertically placed or obliquely placed are arranged in the shell, and the control circuit board is used for driving a motor, controlling the heating of the stirring cup, preventing overflow and protecting safety, identifying cup body appliances and providing a required low-voltage power supply for the display circuit board.

Compared with the prior art, the invention can realize at least one of the following beneficial effects:

(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 torque output can be achieved at low speed without additionally arranging a gear box, the same driving motor at high speed and low speed is realized, an additional motor is not additionally arranged, the cost is saved, and the volume of a host base is reduced;

(5) a second motor and an independent heat dissipation system are arranged in the shell, and the second motor does not need to be connected with a turbine heat dissipation structure in the axial direction, so that the accumulated length of the axial size of the output shaft of the second motor is reduced, and the volume of the host machine base is reduced;

(6) the magnetic encoder 21 or the optical encoder or the rotary variable pressure type sensor is adopted for feedback inductive control, 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.

(7) The lower cover is internally provided with the involute streamline gas flow passage of the blower, and the streamline gas flow passage is matched with the turbine fan blade for heat dissipation, so that the heat dissipation efficiency is improved and the exchange of air flow is facilitated.

In the invention, the technical schemes can be combined with each other to realize more preferable combination schemes. 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.

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 accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, 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 used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention.