CN213248662U - Control circuit and cooking machine thereof - Google Patents

Abstract

The application provides a control circuit and cooking machine thereof. The control circuit of cooking machine includes first silicon controlled rectifier, second silicon controlled rectifier and controller. The first thyristor is electrically connected between the load and the power supply. The second controllable silicon is electrically connected between the load and the power supply and is connected with the first controllable silicon in series. The controller comprises a first control port and a second control port, the first control port is electrically connected with a control electrode of the first controllable silicon, the second control port is electrically connected with a control electrode of the second controllable silicon, the controller controls the on-off of the first controllable silicon through the first control port, and controls the on-off of the second controllable silicon through the second control port to control the load. The cooking machine comprises a load and a control circuit of the cooking machine, and the control circuit of the cooking machine is electrically connected with the load. Through first silicon controlled rectifier and second silicon controlled rectifier control load, avoid producing and draw the arc, long service life, and the cost is lower, satisfies the requirement of cooking machine on the ann rule, can satisfy the EMS test.

Description

Control circuit and cooking machine thereof

Technical Field

The application relates to the field of small household appliances, in particular to a control circuit and a food processor thereof.

Background

With the increasing living standard of people, many different types of food processors appear on the market. Some cooking machines pass through relay control motor, and the relay can produce when high voltage cut-off and draw the arc to reduce the life-span of relay, cooking machine's life-span is short.

SUMMERY OF THE UTILITY MODEL

The application provides a control circuit and cooking machine thereof who aims at increase of service life.

The application provides a control circuit of cooking machine, includes wherein:

the first controllable silicon is electrically connected between the load and the power supply;

the second silicon controlled rectifier is electrically connected between the load and the power supply and is connected with the first silicon controlled rectifier in series; and

the controller comprises a first control port and a second control port, the first control port is electrically connected with a control electrode of the first controllable silicon, the second control port is electrically connected with a control electrode of the second controllable silicon, the controller controls the on-off of the first controllable silicon through the first control port, and controls the on-off of the second controllable silicon through the second control port to control the load.

Optionally, a distance between the control electrode of the first thyristor and the control electrode of the second thyristor is kept to be greater than 2 mm. In some embodiments, the distance is kept between the control electrode of the first thyristor and the control electrode of the second thyristor, so that mutual interference can be prevented, and the requirement of the food processor on safety regulations can be met.

Optionally, the control circuit further includes a first resistor and a second resistor, the first resistor is connected between the control electrode of the first thyristor and the first electrode of the first thyristor, and the second resistor is connected between the control electrode of the second thyristor and the first electrode of the second thyristor. In some embodiments, the first resistor is arranged to prevent the control electrode of the first controllable silicon from being triggered mistakenly, so that the anti-interference capability is improved, and the second resistor is arranged to prevent the control electrode of the second controllable silicon from being triggered mistakenly, so that the anti-interference capability is improved.

Optionally, the control circuit further includes a first rc absorption circuit and a second rc absorption circuit, the first rc absorption circuit is connected between the first pole of the first thyristor and the second pole of the first thyristor, and the second rc absorption circuit is connected between the first pole of the second thyristor and the second pole of the second thyristor. In some embodiments, the first rc absorption circuit can effectively suppress the overvoltage of the first scr when the first scr is turned on or off to protect the first scr, and the second rc absorption circuit can effectively suppress the overvoltage of the second scr when the second scr is turned on to protect the second scr.

Optionally, the first rc absorption circuit includes a third resistor and a first capacitor, and the third resistor and the first capacitor are connected in series between the first pole of the first thyristor and the second pole of the first thyristor. In some embodiments, the third resistor and the first capacitor can improve the voltage endured at the turn-on and turn-off time of the first thyristor, and protect the first thyristor.

Optionally, the second rc absorption circuit includes a fourth resistor and a second capacitor, and the fourth resistor and the second capacitor are connected in series between the first pole of the second thyristor and the second pole of the second thyristor. In some embodiments, the fourth resistor and the second capacitor can improve the voltage endured at the turn-on and turn-off time of the second thyristor, and protect the second thyristor.

Optionally, the control circuit further includes a first current limiting resistor and a second current limiting resistor, the first current limiting resistor is connected between the first control port and the control electrode of the first thyristor, and the second current limiting resistor is connected between the second control port and the control electrode of the second thyristor. In some embodiments, the first current limiting resistor may reduce a current of a control electrode of the first thyristor to prevent damage to the first thyristor, and the second current limiting resistor may reduce a current of a control electrode of the second thyristor to prevent damage to the second thyristor.

Optionally, the control circuit includes a power circuit connected to the power supply and the controller, and the power circuit converts ac power into dc power and provides the dc power to the controller.

The application also provides a cooking machine, include:

a load; and the control circuit of cooking machine of above-mentioned any, the load electricity is connected control circuit.

Optionally, the cooking machine includes the cup, assembles extremely the cup of cup with locate stirring knife tackle spare in the cup, stirring knife tackle spare includes the arbor, the load includes the motor, the motor is located in the cup, the pivot of motor with the arbor is connected and is contacted. In some embodiments, the pivot of motor is direct to be connected with the arbor for cooking machine's height is low, reduces space size, noise reduction.

This application cooking machine's control circuit includes the controller, first silicon controlled rectifier and second silicon controlled rectifier, the controller includes first control port and second control port, the controller is through the break-make of the first silicon controlled rectifier of first control port control, the break-make through the second control port control second silicon controlled rectifier, come the control load, through first silicon controlled rectifier and second silicon controlled rectifier control load, avoid producing and draw the arc, long service life, and the cost is lower, satisfy cooking machine requirement on ann rule, can pass through the EMS test.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic view of an embodiment of a food processor of the present application;

fig. 2 is a schematic cross-sectional view of an embodiment of the food processor shown in fig. 1;

FIG. 3 is a schematic block diagram of an embodiment of a control circuit of the food processor of the present application;

fig. 4 is a circuit diagram of an embodiment of a power circuit of the control circuit of the food processor shown in fig. 3;

fig. 5 is a partial circuit diagram of an embodiment of a control circuit of the food processor shown in fig. 3.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

The control circuit of the food processor comprises a controller, a first silicon controlled rectifier and a second silicon controlled rectifier, wherein the first silicon controlled rectifier is electrically connected between a load and a power supply; the second controllable silicon is electrically connected between the load and the power supply and is connected with the first controllable silicon in series; the controller comprises a first control port and a second control port, the first control port is electrically connected with a control electrode of the first controllable silicon, the second control port is electrically connected with a control electrode of the second controllable silicon, the controller controls the on-off of the first controllable silicon through the first control port, and controls the on-off of the second controllable silicon through the second control port to control the load. Through first silicon controlled rectifier and second silicon controlled rectifier control load, avoid drawing the arc, make the person longe-lived, and the cost is lower, satisfies the requirement of cooking machine on the ann rule, can pass through the EMS test.

Fig. 1 is a schematic diagram of an embodiment of a food processor 10, and fig. 2 is a schematic cross-sectional diagram of the embodiment of the food processor 10 shown in fig. 1. In the embodiment shown in fig. 1 and 2, the food processor 10 includes a cup holder 11 and a cup body 12, and the cup body 12 is assembled to the cup holder 11. The cup body 12 can contain food materials, and the food materials can be stirred, heated and/or vacuumized in the cup body 12. In some embodiments, cup 12 and cup holder 12 are a unitary machine.

In some embodiments, the cup holder 11 includes a load 111. In some embodiments, cup 12 includes a stir blade assembly 121. In some embodiments, the load 111 includes a motor 112, which provides a driving force to drive the stirring blade assembly 121 to stir the food material. In some embodiments, the stirring blade assembly 121 includes a blade shaft 122, the motor 112 includes a rotating shaft 113, and the rotating shaft 113 is connected to and in contact with the blade shaft 122. The rotating shaft 113 of the motor 112 is directly connected with the knife shaft 122, so that the height of the food processor 10 is low, the space size is reduced, and the noise is reduced. When the rotating shaft 113 of the motor 112 rotates, the knife shaft 122 is driven to rotate, so as to drive the stirring knife assembly 121 to stir the food material. In some embodiments, the load 111 also includes a heating assembly 114.

In some embodiments, the cup holder 11 further includes a control board 115, the control board 115 is provided with a control circuit 20 of the food processor, the load 111 is electrically connected to the control circuit 20 of the food processor, and the control circuit 20 of the food processor can provide power to control and drive the food processor 10 to operate.

Fig. 3 is a schematic block diagram of an embodiment of a control circuit 20 of the food processor of the present application. In the embodiment shown in fig. 3, the control circuit 20 of the food processor includes a first thyristor 21, a second thyristor 22 and a controller 23. The first thyristor 21 is electrically connected between the load 111 and the power supply 30. The second thyristor 22 is electrically connected between the load 111 and the power supply 30, and is connected in series with the first thyristor 21. The controller 23 includes a first control port 231 and a second control port 232, the first control port 231 is electrically connected to the control electrode G1 of the first thyristor 21, the second control port 232 is electrically connected to the control electrode G2 of the first thyristor 21, and the controller 23 controls the on/off of the first thyristor 21 through the first control port 231 and controls the on/off of the second thyristor 22 through the second control port 232 to control the load 111. In some embodiments, the second thyristor 22 may be electrically connected between the first thyristor 21 and the load 111. The controller 23 can control the on/off of the first thyristor 21 and the load 111 by controlling the on/off of the second thyristor 22 through the second control port 232. In some embodiments, the controller 23 may control the second thyristor 22 to be turned on, and the controller 23 may control the turn-on duration of the first thyristor 21 through the first control port 231 to control the rotation speed or the power of the load 111; the controller 23 can control the second thyristor 22 to be turned off, so as to cut off the power of the load 111 and stop the operation, and at this time, can control the first thyristor 21 to be also turned off.

In some embodiments, the controller 23 may be a Central Processing Unit (CPU), a single chip, other processors, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field-Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware components, and so on. The controller 23 may be a microprocessor or the controller 23 may be any conventional processor and the like, which will not be described herein.

In the embodiment of this application, through first silicon controlled rectifier 21 and second silicon controlled rectifier 22 control load 111, compare with the relay, first silicon controlled rectifier 21 and second silicon controlled rectifier 22 avoid producing and draw the arc, long service life, and it is fast to cut off, and sensitivity is high, and the cost is lower, reduces the device height simultaneously, can satisfy cooking machine 10 requirement on the ann rule, can pass through the EMS test.

In some embodiments, the power supply 30 may provide alternating current, such as mains electricity. In some embodiments, the power supply 30 may transmit mains power through the neutral line N and the live line L. The control circuit 20 further includes a power circuit 31 (shown in fig. 4) connected to the power supply 30 and the controller 23, wherein the power circuit 31 converts the ac power to dc power and provides the dc power to the controller 23.

Fig. 4 is a circuit diagram of the power supply circuit 31 of the control circuit 20 of the food processor shown in fig. 3. In the embodiment shown in fig. 4, the power circuit 31 includes a conversion circuit 310 connected to the power supply 30. The conversion circuit 310 is connected to the live line L and the neutral line N, and converts a strong ac power into a weak dc power, which can supply power to the controller 23. In some embodiments, the output of the conversion circuit 310 is connected to ground. In some embodiments, the power supply circuit 31 may include a switching power supply.

In some embodiments, the conversion circuit 310 may include a non-isolated power supply circuit 311. Non-isolated power supply circuit 311 may output non-isolated power, such as 9V non-isolated power, which may power controller 23. In other embodiments, the conversion circuit 310 may further include an isolated power supply circuit (not shown) that may output isolated power, such as 12V isolated power.

In some embodiments, the power circuit 31 may also include an electromagnetic filter circuit 312. The front end of the electromagnetic filter circuit 312 is electrically connected to the power supply 30, the back end of the electromagnetic filter circuit 312 is electrically connected to the front end of the power supply circuit 310, and the electromagnetic filter circuit 312 can be used for filtering electromagnetic interference signals. The power circuit 31 is electrically connected to the rear end of the electromagnetic filter circuit 312, so that the voltage of the power circuit 31 is more stable. In some embodiments, the electromagnetic filter circuit 312 may include a common mode filter circuit that may filter common mode electromagnetic interference signals. The electromagnetic filter circuit 312 may be used for EMC filtering (electromagnetic compatibility filtering).

Fig. 5 is a partial circuit diagram of an embodiment of the control circuit 20 of the food processor shown in fig. 3. In the embodiment shown in fig. 5, the first and second poles T1 and T2 of the first thyristor 21 and the first and second poles T3 and T4 of the second thyristor 22 are connected in series between the power supply 30 (neutral line N1) and the load 111. The first pole T1 of the first thyristor 21 is electrically connected to the neutral line N1, the second pole T2 of the first thyristor 21 is electrically connected to the first pole T3 of the second thyristor 22, and the second pole T4 of the second thyristor 22 is electrically connected to the load 111. In some embodiments, the separation distance between the control electrode G1 of the first thyristor 21 and the control electrode G2 of the first thyristor 21 is maintained above 2 mm. The distance is kept between the control pole G1 of first silicon controlled rectifier 21 and the control pole G2 of first silicon controlled rectifier 21, can prevent mutual interference to satisfy cooking machine 10 in the requirement on the ann rule, can pass through the EMS test.

In the embodiment shown in fig. 5, the control circuit 20 further includes a first resistor R1, a second resistor R2, a first rc snubber circuit 24, a second rc snubber circuit 25, a first current limiting resistor 26, and a second current limiting resistor 27. In some embodiments, the first resistor R1 is connected between the control electrode G1 of the first thyristor 21 and the first electrode T1 of the first thyristor 21, and the first resistor R1 is provided to prevent the control electrode G1 of the first thyristor 21 from being triggered by mistake, so as to improve the anti-interference capability. In some embodiments, the second resistor R2 is connected between the control electrode G2 of the second thyristor 22 and the first electrode T3 of the second thyristor 22, and the second resistor R2 is provided to prevent the control electrode G2 of the second thyristor 22 from being triggered by mistake, thereby improving the anti-interference capability.

In some embodiments, the first rc snubber circuit 24 is connected between the first pole T1 of the first thyristor 21 and the second pole T2 of the first thyristor 21, and the first rc snubber circuit 24 can effectively suppress the overvoltage of the first thyristor 21 when the first thyristor is turned off, so as to protect the first thyristor 21. In some embodiments, the first rc snubber circuit 24 includes a third resistor R3 and a first capacitor C1, and the third resistor R3 and the first capacitor C1 are connected in series between the first pole T1 of the first thyristor 21 and the second pole T2 of the first thyristor 21. The third resistor R3 and the first capacitor C1 can improve the voltage endured by the first thyristor 21 at the turn-on and turn-off time, and protect the first thyristor 21. In the embodiment shown in fig. 5, a first end of the third resistor R3 is electrically connected to the first pole T1 of the first thyristor 21, a second end of the third resistor R3 is electrically connected to a first end of the first capacitor C1, and a second end of the first capacitor C1 is electrically connected to the second pole T2 of the first thyristor 21. In order to limit the voltage rising rate between the first pole T1 of the first thyristor 21 and the second pole T2 of the first thyristor 21 from being too large and ensure the safe operation of the first thyristor 21, the voltage rising rate between the first pole T1 of the first thyristor 21 and the second pole T2 of the first thyristor 21 is limited by the characteristic that the voltage across the first capacitor C1 cannot suddenly change, and the third resistor R3 and the first capacitor C1 can play a role in damping, so that the first thyristor 21 can be prevented from being damaged due to the overvoltage generated across the first capacitor C1 during the transition of the first thyristor 21 to be turned on and off. Meanwhile, the overcurrent, which is caused by the overlarge current between the first pole T1 of the first thyristor 21 and the second pole T2 of the first thyristor 21, is prevented from damaging the first thyristor 21.

In some embodiments, the second rc snubber circuit 25 is connected between the first pole T3 of the second thyristor 22 and the second pole T4 of the second thyristor 22, and the second rc snubber circuit 25 can effectively suppress the overvoltage of the second thyristor 22 at the beginning to protect the second thyristor 22. In some embodiments, the second rc snubber circuit 25 includes a fourth resistor R4 and a second capacitor C2, and the fourth resistor R4 and the second capacitor C2 are connected in series between the first pole T3 of the second thyristor 22 and the second pole T4 of the second thyristor 22. The fourth resistor R4 and the second capacitor C2 can improve the voltage of the second thyristor 22 at the turn-on and turn-off time, and protect the second thyristor 22. In the embodiment shown in fig. 5, a first terminal of the fourth resistor R4 is electrically connected to the first pole T3 of the second thyristor 22, a second terminal of the fourth resistor R4 is electrically connected to a first terminal of the second capacitor C2, and a second terminal of the second capacitor C2 is electrically connected to the second pole T4 of the second thyristor 22. In order to limit the voltage rising rate between the first pole T3 of the second thyristor 22 and the second pole T4 of the second thyristor 22 from being too large and ensure the safe operation of the second thyristor 22, the voltage rising rate between the first pole T3 of the second thyristor 22 and the second pole T4 of the second thyristor 22 is limited by the characteristic that the voltage across the second capacitor C2 cannot suddenly change, and the fourth resistor R4 and the second capacitor C2 can play a role of damping, so that the second thyristor 22 can be prevented from being damaged due to the overvoltage generated across the second capacitor C2 during the transition of the second thyristor 22 to be turned on and off. Meanwhile, the second thyristor 22 is prevented from being damaged by overcurrent due to excessive current between the first pole T3 of the second thyristor 22 and the second pole T4 of the second thyristor 22.

In some embodiments, the first current limiting resistor 26 is connected between the first control port 231 and the gate G1 of the first thyristor 21, so as to reduce the current of the gate G1 of the first thyristor 21 and prevent the first thyristor 21 from being damaged. In some embodiments, the first current limiting resistor 26 includes a fifth resistor R5 and a sixth resistor R6, and the fifth resistor R5 and the sixth resistor R6 are connected in series between the first control port 231 and the gate G1 of the first thyristor 21. In the embodiment shown in fig. 5, a first end of the fifth resistor R5 is electrically connected to the first control port 231, a second end of the fifth resistor R5 is electrically connected to a first end of the sixth resistor R6, a second end of the sixth resistor R6 is electrically connected to the gate G1 of the first thyristor 21, and the fifth resistor R5 and the sixth resistor R6 are used to limit the magnitude of the current in the branch where the first control port 231 and the gate G1 of the first thyristor 21 are located, so as to prevent the first thyristor 21 from being burned out due to excessive current.

In some embodiments, the second current limiting resistor 27 is connected between the second control port 232 and the gate G2 of the first thyristor 21, so as to reduce the current of the gate G2 of the first thyristor 21 and prevent the second thyristor 22 from being damaged. In some embodiments, the second current limiting resistor 27 includes a seventh resistor R7 and an eighth resistor R8, and the seventh resistor R7 and the eighth resistor R8 are connected in series between the second control port 232 and the gate G2 of the second thyristor 22. In the embodiment shown in fig. 5, a first end of the seventh resistor R7 is electrically connected to the second control port 232, a second end of the seventh resistor R7 is electrically connected to a first end of the eighth resistor R8, a second end of the eighth resistor R8 is electrically connected to the gate G2 of the second thyristor 22, and the seventh resistor R7 and the eighth resistor R8 are used to limit the magnitude of the branch current in which the second control port 232 and the gate G2 of the second thyristor 22 are located, so as to prevent the second thyristor 22 from being burned out due to excessive current.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A control circuit of cooking machine, characterized by, includes:

a first thyristor (21) electrically connected between the load (111) and the power supply (30);

a second thyristor (22) electrically connected between the load (111) and the power supply (30) and connected in series with the first thyristor (21); and

the controller (23) comprises a first control port (231) and a second control port (232), the first control port (231) is electrically connected with a control electrode of the first controllable silicon (21), the second control port (232) is electrically connected with a control electrode of the second controllable silicon (22), the controller (23) controls the on-off of the first controllable silicon (21) through the first control port (231), and controls the on-off of the second controllable silicon (22) through the second control port (232) to control the load (111).

2. The control circuit of the food processor according to claim 1, wherein a distance between the control electrode of the first thyristor (21) and the control electrode of the second thyristor (22) is maintained at 2mm or more.

3. The control circuit of the food processor of claim 1, further comprising a first resistor and a second resistor, wherein the first resistor is connected between the control electrode of the first thyristor (21) and the first electrode of the first thyristor (21), and the second resistor is connected between the control electrode of the second thyristor (22) and the first electrode of the second thyristor (22).

4. The control circuit of the food processor of claim 1, further comprising a first RC absorption circuit (24) and a second RC absorption circuit (25), wherein the first RC absorption circuit (24) is connected between the first pole of the first thyristor (21) and the second pole of the first thyristor (21), and the second RC absorption circuit (25) is connected between the first pole of the second thyristor (22) and the second pole of the second thyristor (22).

5. The control circuit of the food processor as claimed in claim 4, wherein the first RC absorption circuit (24) comprises a third resistor and a first capacitor, and the third resistor and the first capacitor are connected in series between the first pole of the first thyristor (21) and the second pole of the first thyristor (21).

6. The control circuit of the food processor as claimed in claim 4, wherein the second RC absorption circuit (25) comprises a fourth resistor and a second capacitor, and the fourth resistor and the second capacitor are connected in series between the first pole of the second thyristor (22) and the second pole of the second thyristor (22).

7. The control circuit of the food processor as claimed in claim 1, further comprising a first current limiting resistor (26) and a second current limiting resistor (27), wherein the first current limiting resistor (26) is connected between the first control port (231) and the control electrode of the first thyristor (21), and the second current limiting resistor (27) is connected between the second control port (232) and the control electrode of the second thyristor (22).

8. The control circuit of food processor as claimed in claim 1, wherein the control circuit comprises a power circuit (31) connected to the power source (30) and the controller (23), the power circuit (31) converting the alternating current to the direct current to be supplied to the controller (23).

9. A food processor, comprising:

a load (111); and

the control circuit of the food processor of any one of claims 1 to 8, wherein the load (111) is electrically connected to the control circuit.

10. The food processor of claim 9, wherein the food processor comprises a cup holder (11), a cup body (12) assembled to the cup holder (11), and a stirring knife assembly (121) arranged in the cup body (12), wherein the stirring knife assembly (121) comprises a knife shaft (122), the load (111) comprises a motor (112), the motor (112) is arranged in the cup holder (11), and a rotating shaft (113) of the motor (112) is connected and contacted with the knife shaft (122).

Images