CN115813237A

CN115813237A - Food processor and control method thereof

Info

Publication number: CN115813237A
Application number: CN202211034909.XA
Authority: CN
Inventors: 高洪全; 曹凯
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2023-03-21
Anticipated expiration: 2042-08-26
Also published as: CN115813237B

Abstract

The application provides a food processor and a control method of the food processor. The aircraft nose of the host computer of cooking machine includes the motor and adsorbs the piece on with, and agitating unit includes down inhales the annex, and host computer or agitating unit include the coil. The trigger circuit of the control circuit includes a trigger component. When the machine head is at the suction position, the controller controls the coil to be powered off when the electric signal of the trigger circuit indicates that the trigger component is not triggered, and controls the motor to drive the upper adsorption part to rotate so as to drive the stirring device to rotate; when the electric signal of the trigger circuit indicates that the trigger component is triggered, the control coil is electrified, and the magnetic attraction force between the upper adsorption part and the lower adsorption part is reduced or eliminated. The control method of the food processor comprises the following steps: when the machine head is positioned at the suction position, if the electric signal of the trigger circuit indicates that the trigger component is not triggered, the coil is controlled to be powered off, and the motor is controlled to drive the upper adsorption part to rotate; and if the electric signal of the trigger circuit indicates that the trigger component is triggered, controlling the coil to be electrified.

Description

Food processor and control method thereof

Technical Field

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

Background

With the increasing living standard of people, many different types of food processors appear on the market. The functions of the food processor mainly include, but are not limited to, functions of making soybean milk, squeezing fruit juice, making rice paste, mincing meat, shaving ice, making coffee and/or blending facial masks and the like. The food processor can comprise a soybean milk machine, a stirrer or a wall breaking food processor and other machines for crushing and stirring food.

The crushing sword of relevant cooking machine sets up in motor shaft or arbor. The cutter shaft is provided with an upper clutch. The motor shaft is provided with a lower clutch. The upper clutch is matched with the lower clutch, so that the motor can drive the crushing knife to rotate to stir the food materials. When food material load is too large and the crushing cutter is clamped, the motor is easily blocked to cause too high temperature rise of the motor and damage the motor.

Disclosure of Invention

The application provides a food processer and a control method of the food processer, wherein the food processer can effectively protect a motor.

The application provides a food processor, including host computer, agitating unit and control circuit, the host computer includes the aircraft nose, the aircraft nose is located agitating unit's top, the aircraft nose include the motor and with last absorption piece that the motor is connected, agitating unit is including inhaling the annex down, the host computer or agitating unit includes the coil; the control circuit comprises a trigger circuit and a controller, and the trigger circuit comprises a trigger component; the controller is electrically connected with the motor, the coil and the trigger circuit respectively;

the machine head comprises an attraction position and a separation position, the upper adsorption part and the lower adsorption accessory are opposite when the machine head is at the attraction position, the upper adsorption part and the lower adsorption accessory are staggered when the machine head is at the separation position, and the machine head can move between the attraction position and the separation position;

when the machine head is located at the suction position, the controller is used for detecting an electric signal of the trigger circuit, when the electric signal of the trigger circuit indicates that the trigger component is not triggered, the coil is controlled to be powered off, the motor is controlled to drive the upper adsorption part to rotate, and the lower adsorption part is driven to rotate through the magnetic attraction between the upper adsorption part and the lower adsorption part so as to drive the stirring device to rotate; and the electric signal of the trigger circuit indicates that the trigger component is triggered, the coil is controlled to be electrified so as to reduce or eliminate the magnetic attraction force between the upper adsorption part and the lower adsorption part, and the machine head can move from the adsorption position to the separation position.

In some embodiments of this application, the motor through last absorption with inhale the magnetic attraction between the annex down and drive agitating unit and rotate, agitating unit stall can not influence the rotation of motor, and the motor can idle run, so, even agitating unit is blocked unable rotation, and the motor still can normally rotate, prevents effectively that the motor from damaging because of the temperature rise that stifled commentaries on classics caused is too high, protects the motor effectively. The controller can control the size of the magnetic attraction force between the upper adsorption part and the lower adsorption part according to the on-off state of the signal automatic control coil of the trigger circuit, and the controller is intelligent and improves user experience. The user triggers the trigger subassembly, and the controller control coil circular telegram reduces or eliminates magnetic force, and the user can rotate the aircraft nose, so is convenient for be used for the operation, convenient to use.

Optionally, the controller is configured to determine a duration that the trigger component is triggered, and control the coil to be powered off when the duration reaches a duration threshold. In some embodiments, the coil can be effectively protected by controlling the power-on time of the coil, and the phenomenon that the service life of the coil is shortened due to the fact that the power-on time of the coil is too long when a user presses the trigger component is prevented, so that the service life can be prolonged, and the coil is not prone to being burnt out.

Optionally, the control circuit includes a first position detection circuit, the first position detection circuit includes a first detection switch, and when the handpiece is located at the suction position, the first detection switch is triggered;

the controller is electrically connected with the first position detection circuit and used for controlling the coil to be powered off and controlling the motor to drive the upper adsorption piece to rotate when the electric signal of the first position detection circuit indicates that the first detection switch is triggered and the electric signal of the trigger circuit indicates that the trigger assembly is not triggered. In some embodiments, the machine head can be ensured to be in an accurate suction position, the upper suction part and the lower suction accessory can be well sucked, so that the motor can well drive the stirring device to rotate, and the beating and shaking degree caused by poor suction is reduced.

Optionally, the controller is configured to control the food processor to enter the sleep mode after controlling the coil to be powered on and when the electrical signal of the first position detection circuit indicates that the first detection switch is not triggered. In some embodiments, power may be saved and more intelligent.

Optionally, the control circuit includes a function selection circuit electrically connected to the controller; when the machine head is located at the suction position, the controller is used for controlling the food processor to be in a standby mode and controlling the coil to be powered off when the electric signal of the trigger circuit indicates that the trigger component is not triggered, and controlling the food processor to carry out food processing work according to a function selection instruction when the function selection instruction generated by the operation of a user on the function selection circuit is received; wherein, the controller is used for controlling motor drive go up the absorption piece and rotate to realize the whipping work of cooking machine. Therefore, the intelligent degree is high, and the user experience is good.

Optionally, the host includes a power device and a head locking mechanism, and the power device is connected to the head locking mechanism and is used for driving the head locking mechanism to act to lock or unlock the head;

the control circuit comprises a driving circuit electrically connected with the power device, the controller is electrically connected with the driving circuit and is used for controlling the driving circuit to drive the power device when the machine head is at the attraction position and the electric signal of the trigger circuit indicates that the trigger component is not triggered, so that the machine head locking mechanism acts to lock the machine head, and after the machine head is locked, the motor is controlled to drive the upper adsorption part to rotate; and when the food processor stops working, the driving circuit is controlled to drive the power device, so that the machine head locking mechanism acts to unlock the machine head. Therefore, the machine head can be prevented from shaking to influence the whipping in the whipping work.

Optionally, the control circuit includes a second position detection circuit, the second position detection circuit is configured to detect a position of the lock head mechanism, and the controller is electrically connected to the second position detection circuit and configured to control the driving circuit to drive the power device, so that the lock head mechanism operates until an electrical signal of the second position detection circuit indicates that the lock head mechanism is in the unlock position. Therefore, the complete unlocking of the machine head locking mechanism can be detected, and the machine head can be ensured to move smoothly.

Optionally, the second position detection circuit includes a second detection switch electrically connected to the controller, when the lock head mechanism is in the unlock position, the second detection switch is triggered, and when the lock head mechanism is in the lock position, the second detection switch is not triggered. The circuit is simple and the detection is accurate.

Optionally, the cooking machine include with the heating element who is used for heating the material of eating that the host computer is connected, control circuit is including the temperature detection circuit who is used for detecting the material temperature of eating, the controller with heating element temperature detection circuit electricity is connected, is used for the aircraft nose is in the actuation position, just trigger circuit's signal of telecommunication shows when the trigger component is not triggered, according to the material temperature of eating that temperature detection circuit detected, control heating element. Therefore, the cooked food can meet the requirements of users.

The application provides a cooking machine control method for control cooking machine, cooking machine includes host computer, agitating unit and control circuit, the host computer includes the aircraft nose, the aircraft nose is located agitating unit's top, the aircraft nose include the motor and with the last absorption piece that the motor is connected, agitating unit includes the lower suction attachment, host computer or agitating unit includes the coil; the control circuit comprises a trigger circuit, and the trigger circuit comprises a trigger component;

the food processor control method comprises the following steps:

when the machine head is positioned at the suction position, detecting an electric signal of the trigger circuit;

if the electric signal of the trigger circuit indicates that the trigger component is not triggered, the coil is controlled to be powered off, the motor is controlled to drive the upper adsorption part to rotate, and the lower adsorption part is driven to rotate through the magnetic attraction between the upper adsorption part and the lower adsorption part so as to drive the stirring device to rotate;

if the electric signal of the trigger circuit indicates that the trigger component is triggered, the coil is controlled to be electrified so as to reduce or eliminate the magnetic attraction force between the upper adsorption part and the lower adsorption part, and the machine head can move from the adsorption position to the separation position.

In some embodiments of this application, cooking machine control method can be according to the break-make electricity of trigger circuit's signal automatic control coil, comes the control to adsorb the piece and inhale the magnetic attraction between the annex down for the motor through last adsorb the piece with magnetic attraction between the annex can drive agitating unit and rotate down, agitating unit stall can not influence the rotation of motor, and the motor can idle run, so, even agitating unit is blocked unable rotation, and the motor still can normally rotate, prevents effectively that the motor from damaging because of the temperature rise that the locked-rotor caused, protects the motor effectively. And the user triggers the trigger subassembly, can control the coil circular telegram, reduces or eliminates magnetic attraction for the aircraft nose can move, and automatic control magnetic attraction is more intelligent, improves user experience, and is convenient for be used for the operation, convenient to use.

Optionally, the food processor control method includes:

and after controlling the coil to be powered on, determining the time length for triggering the triggering assembly, and controlling the coil to be powered off when the time length reaches a time length threshold value. Therefore, the coil can be effectively protected by controlling the electrifying time of the coil, and the phenomenon that the service life of the coil is shortened due to the fact that the electrifying time of the coil is too long when a user presses the trigger assembly is prevented, so that the service life of the coil can be prolonged, and the coil is not easy to burn out.

if the electric signal of trigger circuit indicates that trigger assembly is not triggered, control the coil outage, and control the motor drive go up the absorption piece and rotate, include:

when the electric signal of the first position detection circuit indicates that the first detection switch is triggered, the coil is controlled to be powered off, and the motor is controlled to drive the upper adsorption part to rotate. So can guarantee that the aircraft nose is in accurate actuation position, go up the absorption piece and inhale annex actuation better down to the motor can drive agitating unit better and rotate, reduces the not good beating degree that leads to of actuation and rocks.

Optionally, the food processor control method includes:

and after the coil is controlled to be electrified, and when the electric signal of the first position detection circuit indicates that the first detection switch is not triggered, the food processor is controlled to enter a sleep mode. Thus, power can be saved and the system is more intelligent.

Optionally, the control circuit includes a and function selection circuit;

the aircraft nose is in the actuation position, just trigger circuit's signal of telecommunication shows when the trigger subassembly is not triggered, control the coil outage, and control motor drive go up the absorption piece and rotate, include:

when the machine head is in the attraction position and the electric signal of the trigger circuit indicates that the trigger component is not triggered, controlling the food processor to be in a standby mode and controlling the coil to be powered off;

when a function selection instruction generated by the operation of a user on the function selection circuit is received, controlling the food processor to carry out food processing work according to the function selection instruction; wherein, control motor drive go up the absorption piece and rotate to realize the whipping work of cooking machine. Therefore, the intelligent degree is high, and the user experience is good.

the food processor control method comprises the following steps:

when the machine head is in the suction position and the electric signal of the trigger circuit indicates that the trigger component is not triggered, controlling the power device to enable the machine head locking mechanism to act to lock the machine head;

after the machine head is locked, controlling the motor to drive the upper adsorption part to rotate;

when the food processor stops working, the power device is controlled to enable the machine head locking mechanism to act to unlock the machine head. Therefore, the machine head can be prevented from shaking to influence the whipping in the whipping work.

Optionally, the control circuit comprises a second position detection circuit, and the second position detection circuit is used for detecting the position of the lock head mechanism;

the cooking machine during stop work, control power device makes lock aircraft nose mechanism action, unblock the aircraft nose includes:

detecting an electrical signal of the second position detection circuit; and

and controlling the power device to enable the lock head mechanism to act until the electric signal of the second position detection circuit indicates that the lock head mechanism is in the unlocking position. Therefore, the complete unlocking of the machine head locking mechanism can be detected, and the machine head can be ensured to move smoothly.

Optionally, the food processor comprises a heating assembly connected with the host machine and used for heating food materials;

the food processor control method comprises the following steps:

when the machine head is located at the attraction position and the electric signal of the trigger circuit indicates that the trigger assembly is not triggered, the temperature of food materials is obtained, and the heating assembly is controlled to work according to the temperature of the food materials. Therefore, the cooked food can meet the requirements of users.

Drawings

Fig. 1 is a schematic view of a food processor according to an exemplary embodiment of the present application.

Fig. 2 is a schematic cross-sectional view of the food processor shown in fig. 1, wherein the coil is in an unpowered state.

FIG. 3 is a view similar to FIG. 1, with the head rotated away from the grinding cup assembly.

Fig. 4 is a schematic view of the grinding cup, the cup cover and the stirring device of the food processor shown in fig. 1.

Fig. 5 is an enlarged view of the circled portion of the cross-sectional view shown in fig. 2.

Fig. 6 is an exploded view of the main body of the food processor shown in fig. 3.

Fig. 7 is similar to fig. 1, wherein the upper housing and motor of the main machine are not shown.

Fig. 8 is a schematic view of an upper suction piece of the food processor shown in fig. 7.

Fig. 9 is an exploded view of the upper suction member shown in fig. 8.

Fig. 10 is a schematic cross-sectional view of the upper suction member shown in fig. 8, wherein the coil is in a non-energized state.

Fig. 11 is a schematic cross-sectional view of the upper suction member shown in fig. 8, in which the coil is in an energized state.

Fig. 12 is an exploded view of the trigger assembly of the host shown in fig. 7.

Fig. 13 is a schematic view of a bracket of the trigger assembly shown in fig. 12.

Fig. 14 is a schematic view of a switch of the trigger assembly shown in fig. 12.

FIG. 15 is a schematic view of the contacts of the trigger assembly shown in FIG. 12.

Figure 16 is a schematic view of an abutment of the trigger assembly shown in figure 12.

FIG. 17 is a schematic view of an operating member of the trigger assembly shown in FIG. 12.

Fig. 18 is similar to fig. 2, with the coil in the energized state.

Fig. 19 is an enlarged view of the circled portion of the cross-sectional view shown in fig. 18.

Fig. 20 is a functional block diagram of an embodiment of a control circuit of the food processor of the present application.

Fig. 21 is a cross-sectional view of another embodiment of the food processor of the present application.

Fig. 22 is a cross-sectional view of the food processor of fig. 21 in another state.

Fig. 23 is a circuit diagram of the control circuit of fig. 20.

Fig. 24 is a flowchart illustrating the operation control of the food processor according to the embodiment of the present application.

Fig. 25 is a flow chart of stop operation control of the food processor according to the embodiment of the present application.

Fig. 26 is a flowchart of an embodiment of a control method of a food processor according to the present application.

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 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 otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application 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. As used in this specification 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.

Referring to fig. 1 to 2 and 10 to 11, the food processor according to the embodiment of the present invention includes a main body 1 and a stirring device 2. The main body 1 includes a head 14. The head 14 is located above the stirring device 2, and the head 14 is movable relative to the stirring device 2. In some embodiments, the head 14 may rotate above the stirring device 2. The head 14 includes a motor 11 and an upper suction member 12 connected to the motor 11. The motor 11 is used for driving the upper adsorption part 12 to rotate. The stirring device 2 comprises a suction attachment 21. The stirring device 2 is driven to rotate by the magnetic attraction between the upper absorbing part 12 and the lower absorbing part 21 so as to stir food materials. The main body 1 or the stirring device 2 includes a coil 121. When the coil 121 is not energized, a strong magnetic attraction force exists between the upper absorbing part 12 and the lower absorbing part 21, so that the motor 11 can drive the stirring device 2 to rotate through the upper absorbing part 12 and the lower absorbing part 21. When the coil 121 is energized, a magnetic field is generated to reduce or eliminate the magnetic attraction between the upper absorbing member 12 and the lower absorbing member 21, so that the head 14 can be easily moved to be separated from the stirring device 2.

The motor 11 drives the stirring device 2 to rotate through the magnetic attraction between the upper adsorption part 12 and the lower adsorption part 21, the rotation of the motor 11 cannot be influenced when the stirring device 2 stops rotating, and the motor 11 can idle, so that even if the stirring device 2 is clamped and cannot rotate, the motor 11 can still normally rotate, the damage of the motor 11 due to overhigh temperature rise caused by rotation blockage is effectively prevented, and the motor 11 is effectively protected; meanwhile, the concentricity requirement of the stirring device 2 is not high, and the position can be automatically corrected during high-speed operation; moreover, the upper clutch and the lower clutch are not arranged, so that the noise is effectively reduced.

When the coil 121 is powered on, the magnetic attraction force between the upper absorption piece 12 and the lower absorption piece 21 is small or even no, and the machine head 14 can move to be separated from the stirring device 2, so that the stirring device 2 and the main machine 1 can be separated more easily, and the operation is easier.

Optionally, the upper absorbing member 12 and the lower absorbing member 21 are made of a magnet or a material capable of being absorbed by magnetic force, and may be a permanent magnet.

Referring to fig. 1 to 5, the food processor of the embodiment of the present application further includes a grinding cup 3 and a cup cover 4. The stirring device 2 is detachably arranged on the cup cover 4. The stirring device 2 can be assembled to the cup cover 4, and then the cup cover 4 is assembled to the crushing cup 3; or the cup cover 4 can be assembled to the crushing cup 3 firstly, and then the stirring device 2 can be assembled to the cup cover 4.

The crushing cup 3 is provided with a containing part 30 for containing food materials. The cup cover 4 covers the opening of the crushing cup 3. The cup cover 4 is provided with a groove 40 and a through hole 41 communicated with the groove 40.

The stirring device 2 includes a housing 22, a knife shaft 23 and a sealing member 24 provided on the housing 22, and a stirring member 25 provided on the knife shaft 23. The stirring element 25 is used for stirring food material. The lower suction attachment 21 is limited to the cutter shaft 23 to drive the cutter shaft 23 to rotate. Alternatively, the lower suction attachment 21 is made of a material that can be attracted by a magnetic force. The knife shaft 23 can rotate relative to the housing 22.

When the stirring device 2 is assembled to the cup cover 4, the cutter shaft 23 penetrates through the through hole 41 and extends into the accommodating part 30, and at least part of the shell 22 is accommodated in the groove 40; the shell 22 is pressed and connected to the cup cover 4; the sealing element 24 is attached and sealed with the cup cover 4 to prevent air leakage at the through hole 41.

Alternatively, the lower suction attachment 21 can be moved up and down relative to the knife shaft 23. The stirring device 2 further comprises an elastic member 27. The suction attachment 21 is forced to move upward to press the elastic member 27. The elastic force of the elastic member 27 downwardly abuts against the suction attachment 21 to move it downwardly for resetting.

When the motor 11 drives the stirring device 2 to rotate, the lower suction attachment 21 and the upper suction member 12 are sucked together. Alternatively, there may be a gap between the lower suction attachment 21 and the upper suction member 12.

The housing 22 is provided with a containing cavity 220, and the suction attachment 21 is contained in the containing cavity 220.

Alternatively, the lower suction attachment 21 is provided with a concave groove 210 and a communication hole 211. The stirring device 2 further comprises a fixing member 26. The top end of the knife shaft 23 is received in the concave groove 210 after passing through the communication hole 211. The fixing member 26 is fixed to the cutter shaft 23. One end of the elastic element 27 abuts against the suction attachment 21, and the other end abuts against the end of the fixing element 26.

Referring to fig. 6 to 7, the main body 1 includes a supporting column 13 and a base 15. The head 14 is located at the top end of the support column 13, and the base 15 is located at the bottom end of the support column 13. The grinding cup 3 is placed on the base 15. The head 14 can be rotated relative to the support post 13 to be offset from the base 15 to facilitate the placement of the grinding cup 3 from top to bottom. The head 14 can also be rotated and lifted backward to facilitate the placement of the grinding cup 3 from top to bottom.

The handpiece 14 includes a lower housing 141 and an upper housing 142. The host 1 also includes a circuit board assembly 16. The motor 11, the upper suction member 12 and the circuit board assembly 16 are located in a space enclosed by the upper casing 142 and the lower casing 141. The lower housing 141 is provided with an opening 1410 to avoid the upper absorbing member 12. The food processor further includes a control circuit 161, which may be disposed on the circuit board assembly 16.

The base 15 is provided with a heating assembly 152 and a temperature sensor 151, the heating assembly 152 is used for heating the food material, and the temperature sensor 151 is used for detecting the temperature of the food material.

Referring to fig. 8 to 11, the upper absorption member 12 includes a fixing base 122, a flux sleeve 123, a magnet 124, a core 125 and a pair of conductive members 126.

The fixing base 122 is made of an insulating material, and has an accommodating space 1220, a first opening 1221 communicating with the accommodating space 1220, a pair of first through holes 1222, a pair of first receiving grooves 1223, and a pair of second receiving grooves 1224. The fixing base 122 includes an upper sleeving part 1225, a lower sleeving part 1226, and a resisting part 1227 located between the upper sleeving part 1225 and the lower sleeving part 1226. The first through hole 1222 and the first receiving groove 1223 are disposed in the stopper 1227. One of the second receiving grooves 1224 is disposed on the upper receiving portion 1225, and the other of the second receiving grooves 1224 is disposed on the lower receiving portion 1226.

The coil 121 may be located in the receiving space 1220 or located outside the receiving space 1220. The flux sleeve 123 and the core 125 are made of a magnetic conductive material, such as iron.

The flux sleeve 123 is accommodated in the accommodating space 1220; the magnet 124, the core 125 and the coil 121 are located in a space surrounded by the flux sleeve 123; the magnet 124 is press-fitted to the core 125; a motor shaft of the motor 11 is fixed to the core 125; the conductive member 126 is fixed to the fixing seat 122. The suction attachment 21 is compact and easy to assemble.

The flux sleeve 123 has a second opening 1230 and a pair of second through holes 1231.

The magnet 124 is provided with a third opening 1240. The core 125 includes a main body 1250, a support portion 1251 and a projection 1252 provided on the main body 1250. The coil 121 is surrounded to the periphery of the main body 1250. The magnet 124 is press-fitted to the support portion 1251. The protrusion 1252 protrudes out of the third opening 1240, the second opening 1230 and the first opening 1221.

The upper suction member 12 further includes a holder 127. The coil 121 is fixed to the holder 127. The holder 127 is sleeved on the main body 1250 to easily fix the coil 121.

A pair of ends of the coil 121 respectively extend out of the pair of second through holes 1231 and the pair of first through holes 1222 to electrically contact the pair of conductive members 126, for example, the coil may be surface-contacted or may be fixed by welding. The first receiving groove 1223 and the second receiving groove 1224 are configured to receive an end of the coil 121.

The conductive members 126 may be provided in one or two. When the number of the conductive members 126 is two, a pair of the conductive members 126 is electrically connected to two ends of the coil 121, respectively. When the conductive members 126 are arranged in one, the conductive member 126 is electrically connected to one end of the coil 121, and the other end of the coil 121 can be directly connected to the circuit board assembly 16. Correspondingly, the contact member 171 may be provided as one or two.

The conductive member 126 is made of a conductive material. The conductive members 126 are annular, one of the conductive members 126 is sleeved on the upper sleeving part 1225, and the other conductive member 126 is sleeved on the lower sleeving part 1226. The stopping portion 1227 is located between the pair of conductive members 126.

Alternatively, the conductive members 126 may have a sheet shape, and one is fixed to the upper sheathing part 1225 and the other is fixed to the lower sheathing part 1226.

Optionally, the conductive member 126 may also be located at the top end or the bottom end of the fixing seat 122.

Referring to fig. 10, when the coil 121 is not energized, the magnetic force of the magnet 124 causes the core 125 and the flux sleeve 123 to generate a magnetic force, so as to attract the lower attraction piece 21 and drive the lower attraction piece 21 to move upward. The lower suction attachment 21 is made of a material that can be attracted by magnetic force.

The arrangement of the flux sleeve 123 and the core 125 increases the magnetic attraction of the upper adsorption part 12, and ensures that the stirring device can be driven to rotate.

Referring to fig. 11, when the coil 121 is energized, the magnetic field generated by the coil 121 and the magnetic field generated by the magnet 124 are completely or partially cancelled, the magnetic attraction force between the upper attraction member 12 and the lower attraction member 21 is weakened or eliminated, and the lower attraction member 21 falls down due to the eliminated magnetic attraction force, so as to rotate the handpiece 14.

The upper adsorption piece 12 is adsorbed to the lower adsorption piece 21 by the magnetic force of the magnet 124, the magnetic attraction between the upper adsorption piece 12 and the lower adsorption piece 21 is reduced or eliminated by electrifying the coil 121, the coil 121 is not electrified for a long time, the service life of the upper adsorption piece 12 is longer, and the stability is better.

Alternatively, after the coil 121 is powered on, the polarity of the upper absorbing part 12 or the lower absorbing part 21 is changed, so that the upper absorbing part 12 and the lower absorbing part 21 generate a repulsive force, and the repulsive force can separate the lower absorbing part 21 from the upper absorbing part 12, thereby facilitating the separation of the stirring device 2 from the main body 1.

Optionally, the lower absorbing part 21 includes a magnet, the lower absorbing part 21 is attracted to the upper absorbing part 12, the iron core of the upper absorbing part 12 is surrounded by a coil 121, when the lower absorbing part 21 is not energized, the lower absorbing part 21 is attracted to the iron core, and when the coil 121 is energized, the upper absorbing part 12 and the lower absorbing part 21 generate a repulsive force.

Optionally, the suction attachment 21 may also be provided with a coil 121. For example, the coil 121 may be powered by providing a battery in the stirring device 2.

Referring to fig. 6 to 7, the main body 1 further includes a trigger assembly 17, and the on/off of the coil 121 is controlled by triggering the trigger assembly 17.

The coil 121 can also be located outside the upper suction piece 12 and connected to the circuit board assembly 16, when the upper suction piece 12 rotates, the coil 121 does not rotate, and the on/off of the coil 121 is controlled by a program of the food processor. For example, after the cooking machine finishes pulping, the program control coil 121 is energized, and the suction attachment 21 falls off.

Referring to fig. 12 to 17, the trigger assembly 17 includes a bracket 170, a pair of contact members 171, an abutting member 172, a spring 173, a switch 174, and an operating member 175. The operating member 175 is operated to bring the pair of contact members 171 into and out of contact with the pair of conductive members 126, respectively, so as to energize and de-energize the coil 121. One abutting piece 172 can trigger the switch 174 and drive the contact piece 171 to be in contact with the conductive piece 126, and the structure is simple and compact.

The bracket 170 is fixed to the lower case 141 or the upper case 142. The bracket 170 includes a base portion 1701, a buckle 1702 disposed on the base portion 1701, a positioning post 1703, and a limiting portion 1704. The base portion 1701 is fixed to the lower case 141 or the upper case 142.

The switch 174 is electrically connected to the circuit board assembly 16. The switch 174 has a trigger 1740 and a stopper 1741. The latch 1702 is fastened and fixed with the switch 174, and the positioning column 1703 is assembled in the limiting hole 1741 to fix the switch 174 to the bracket 170.

The stopper 1704 has a stopper groove 17041. The contact 171 includes a positioning portion 1710 and an elastic piece 1711 provided to the positioning portion 1710. The positioning portions 1710 of the pair of contacts 171 are each received in the retaining groove 17041 to fix the contact 171 to the holder 170. The elastic piece 1711 includes a connecting portion 17110 and a contact portion 17111. The connecting portion 17110 is electrically connected to the circuit board assembly 16.

The abutting member 172 includes a body 1720, and a first abutting portion 1721, a second abutting portion 1722 and a fixing portion 1723 disposed on the body 1720. The operating member 175 includes a pressing portion 1750 and a column 1751 provided to the pressing portion 1750. The abutment 172 is fixed to the post 1751. The spring 173 is sleeved on the cylinder 1751 to provide an elastic force for resetting the operating element 175.

Alternatively, the abutment member 172 may be integrally provided with the operation member 175.

The pressing portion 1750 is located outside the head 14. Pressing the pressing portion 1750 to drive the abutting member 172 to move, and drive the first abutting portion 1721 to move to abut against the elastic sheet 1711, so that the contact portion 17111 is electrically contacted with the conductive member 126 to energize the coil 121; driving the second abutting portion 1722 to move to trigger the switch 174. When the pressing force disappears, the elastic force of the spring 173 pushes against the pressing portion 1750 to move and reset the pressing portion, the first abutting portion 1721 is separated from the abutting contact with the elastic sheet 1711, the contact portion 17111 is separated from the contact with the conductive member 126, and the coil 121 is powered off.

The arrangement of the trigger assembly 17 and the conductive member 126 solves the problem of winding of the connecting wire when the upper absorbing member 12 rotates.

The conductive member 126 is annular, and the elastic piece 1711 can contact with the conductive member 126 without considering the stop rotation position of the motor 11, so that the reliability is better, and the coil 121 can be normally energized.

Referring to fig. 18 to 19, when the coil 121 is energized, the suckdown attachment 21 falls. When the lower suction attachment 21 and the upper suction member 12 are not sucked, a distance D between the lower suction attachment 21 and the upper suction member 12 is less than or equal to 10mm, preferably greater than or equal to 1mm and less than or equal to 6mm. Too small a gap may cause interference with the suckdown attachment 21 when the head 14 is rotated; too large a gap results in too small a magnetic attraction force between the upper suction member 12 and the lower suction attachment 21, and the motor 11 cannot drive the stirring device 2 to rotate.

The handpiece 14 includes an engaged position and a disengaged position. In the suction position, the upper suction member 12 and the lower suction attachment 21 are opposed to each other as shown in fig. 1 and 2. In the disengaged position, the upper suction member 12 and the lower suction attachment 21 are misaligned, as shown in FIG. 3, and the handpiece 14 is movable between an engaged position and a disengaged position. In some embodiments, in the suction position, the machine head 14 overlaps the stirring device 2 in the up-down direction, the machine head 14 covers the cup cover 4, the upper suction member 12 and the lower suction member 21 are opposite to each other in the up-down direction, and the motor 11 is in transmission connection with the stirring device 2 through the upper suction member 12 and the lower suction member 21. In the disengaged position, the nose 14 is not coincident with the projections of the grinding cup 3 and the cup cover 4 in the horizontal plane, respectively, the upper suction member 12 and the lower suction attachment 21 are completely staggered in the horizontal plane, and the grinding cup 3 can be removed from above. In other embodiments, the upper suction member 12 and the lower suction attachment 21 are aligned in the horizontal direction in the suction position, and the upper suction member 12 and the lower suction attachment 21 are misaligned in the vertical direction in the release position. When the food processor works, the machine head 14 is in the suction position, the cover of the machine head 14 is in place, the coil 121 (shown in figure 8) is powered off, the upper adsorption part 12 and the lower adsorption part 21 have larger magnetic attraction, and the motor 11 can drive the stirring device 2 to rotate, so that the food processing work is realized. When the food processor is finished, the trigger component 17 (shown in fig. 7) is triggered, the coil 121 is powered on, the magnetic attraction between the upper absorbing part 12 and the lower absorbing part 21 is reduced or eliminated, and the user can easily move the machine head 14 from the absorbing position to the disengaging position, so as to take away the grinding cup 3.

Fig. 20 is a block circuit diagram of one embodiment of the control circuit 161. The control circuit 161 includes a trigger circuit 163 and a controller 162, and the trigger circuit 163 includes a trigger component 17. The controller 162 is electrically connected to the motor 11, the coil 121, and the trigger circuit 163, respectively. Referring to fig. 1 to 19 in combination, when the handpiece 14 is in the suction position, the controller 162 is configured to detect an electrical signal of the trigger circuit 163, and when the electrical signal of the trigger circuit 163 indicates that the trigger assembly 17 is not triggered, the controller controls the coil 121 to be powered off, and controls the motor 11 to drive the upper absorbing part 12 to rotate, and drives the lower absorbing part 21 to rotate through the magnetic attraction between the upper absorbing part 12 and the lower absorbing part 21, so as to drive the stirring device 2 to rotate; and is used for controlling the coil 121 to be electrified when the electric signal of the trigger circuit 163 indicates that the trigger assembly 17 is triggered, so as to reduce or eliminate the magnetic attraction force between the upper suction member 12 and the lower suction member 21, and thus the handpiece 14 can move from the suction position to the disengagement position.

When aircraft nose 14 is in the actuation position, if trigger subassembly 17 is not triggered, the cooking machine can work, and controller 162 control coil 121 outage goes up the absorption piece 12 with inhale down and have great magnetic attraction between the annex 21, controller 162 can control the operation of motor 11 to drive agitating unit 2 and rotate, beat the edible material. After the user places the crushing cup 3, the cup cover 4 and the stirring device 2 on the host 1, the machine head 14 can be rotated, and the machine head 14 is rotated from a disengaging position to a suction position. The initial state of the coil 121 is power-off, the machine head 14 rotates to the suction position, and the upper suction part 12 and the lower suction part 21 have a larger magnetic attraction, so that the controller 162 can control the food processor to work.

When the handpiece 14 is in the pull-in position, if the trigger assembly 17 is triggered, the controller 162 controls the coil 121 to be energized to reduce or eliminate the magnetic attraction force so that the handpiece 14 can move toward the disengaged position. After the food processor finishes working, the user can press the trigger assembly 17, and the controller 162 receives a signal indicating that the trigger assembly 17 is triggered, and controls the coil 121 to be electrified.

The controller 162 can automatically control the on/off of the coil 121 according to the signal of the trigger circuit 163 to control the magnitude of the magnetic attraction force between the upper absorbing part 12 and the lower absorbing part 21, so that the intelligent effect is achieved, and the user experience is improved. The user activates the trigger assembly 17 and the controller 162 controls the coil 121 to be energized to reduce or eliminate the magnetic force, and the user can rotate the handpiece 14, which is convenient for operation and use.

In some embodiments, the controller 162 is configured to determine a time period for which the triggering component 17 is triggered, and to control the coil 121 to be de-energized when the time period reaches a time period threshold. In the attraction position, when the trigger assembly 17 is triggered, the controller 162 controls the coil 121 to be electrified, and when the electrified duration reaches the duration threshold, the coil 121 is controlled to be powered off. Since the coil 121 generates heat after being energized, if the time is too long, the temperature rise is increased, the life of the coil 121 is shortened, and the coil is easily burned out. By controlling the energization time of the coil 121, the coil 121 can be effectively protected, and the phenomenon that the service life of the coil 121 is shortened due to the fact that the energization time of the coil 121 is too long as a user presses the trigger assembly 17 for too long is prevented, so that the service life can be prolonged, and the coil 121 is not easily burnt out. The duration threshold ranges from greater than 0 to not less than 10 seconds.

The control circuit 161 includes a function selection circuit 165 electrically connected to the controller 162. When the machine head 14 is at the suction position, the controller 162 is configured to control the food processor to be in a standby mode and control the coil 121 to be powered off when the electric signal of the trigger circuit 163 indicates that the trigger assembly 17 is not triggered, and control the food processor to perform food processing according to a function selection instruction generated by the function selection circuit 165 operated by a user when the function selection instruction is received; wherein, the controller is used for controlling motor 11 drive go up absorption piece 12 and rotate to realize the whipping work of cooking machine.

The food processor may include an operating panel on which the function selection circuit 165 is provided. The function selection circuit can comprise keys, a touch screen and the like, and is used for a user to select the cooking function. After the food processor is powered on, when the machine head 14 is at the suction position, the food processor is controlled to be in the standby mode, the operation panel is lightened, the function selection circuit 165 can be operated, and the coil 121 is powered off in the initial state. The user selects the cooking function through the function selection circuit 165, and the controller 162 performs corresponding control operation to control the operation of the cooking machine, wherein the motor 11 can be controlled to drive the stirring device 2 to stir the food material. Therefore, the intelligent degree is high, and the user experience is good.

The control circuit 161 includes a first position detection circuit 164 for detecting whether the hand piece 14 is in the attraction position. The controller 162 is electrically connected to the first position detecting circuit 164, and determines whether the head 14 is in the suction position according to the electric signal of the first position detecting circuit 164. The first position detecting circuit 164 includes a first detecting switch 1641, and when the handpiece 14 is in the pull-in position, the first detecting switch 1641 is triggered. In some embodiments, the first detecting switch 1641 may be disposed on the handpiece 14, and the cup cover 4 or the pulverizing cup 3 triggers the first detecting switch 1641 when the handpiece 14 is in the engaging position. In other embodiments, the first detecting switch 1641 is disposed on the lid 4 or the pulverizing cup 3, and when the handpiece 14 is in the suction position, the handpiece 14 triggers the first detecting switch 1641. In some embodiments, the first detection switch 1641 is a mechanical switch, such as a microswitch, that is closed when triggered and open when not triggered. In other embodiments, the first detection switch 1641 is a hall switch that is triggered by a magnetic element that generates a different signal when it is closer to and farther away from the hall switch. In other embodiments, the first detection switch 1641 may also be other switches.

The controller 162 is electrically connected to the first position detecting circuit 164, and is configured to control the coil 121 to be powered off and the motor 11 to drive the upper absorption member 12 to rotate when the electrical signal of the first position detecting circuit 164 indicates that the first detecting switch 1641 is triggered and the electrical signal of the triggering circuit 163 indicates that the triggering component 17 is not triggered. When the electrical signal of the first position sensing circuit 164 indicates that the first sensing switch 1641 is activated, it indicates that the handpiece 14 is in the engaged position. So can detect whether the aircraft nose 14 is in the actuation position through the first position detection circuit 164, control the cooking machine work when being in the actuation position, when the aircraft nose 14 reachs accurate actuation position, first detection switch 1641 is triggered, so can guarantee that the aircraft nose 14 is in accurate actuation position, go up the absorption 12 and inhale annex 21 actuation better, thereby the motor 11 can drive agitating unit 2 better and rotate, reduce the not good degree that leads to of actuation and beat and rock. In some embodiments, the lid 4 and/or the head 14 are provided with a limiting structure (not shown), such as a limiting baffle, and the head 14 rotates to the engaging position, and the limiting structure limits the position to ensure that the head 14 rotates to the exact engaging position.

The controller 162 is configured to control the food processor to enter the sleep mode after controlling the coil 121 to be energized and the electric signal of the first position detecting circuit 164 indicates that the first detecting switch 1641 is not triggered. Coil 121 circular telegram, aircraft nose 14 can be to breaking away from the position motion, if first detection switch 1641 is not triggered, explains aircraft nose 14 to breaking away from the position motion, has left the actuation position, and the cooking machine is out of work, and control cooking machine gets into the sleep mode, can save the electric quantity, and is more intelligent. In the sleep mode, the operation panel is not displayed and cannot be operated, and the function selection circuit 165 cannot be operated. When the handpiece 14 is moved from the disengaged position to the engaged position again, the controller 162 can control the food processor to wake up from the sleep mode to the standby mode.

The cooking machine includes the heating element 152 who is used for heating the food material of being connected with host computer 1, and control circuit 161 is including the temperature detection circuit 153 that is used for detecting the food material temperature, controller 162 with heating element 152 temperature detection circuit 161 electricity is connected, is used for aircraft nose 14 is in the actuation position, just trigger circuit 163's signal of telecommunication shows when trigger assembly 17 is not triggered, according to the food material temperature that temperature detection circuit 161 detected, control heating element 152. The temperature detecting circuit 161 includes a temperature sensor 151 for detecting the temperature of the food material and generating an electrical signal indicative of the temperature, and the controller 162 can control the heating element 152 according to the electrical signal, for example, when the temperature reaches a boiling point, the heating element 152 is controlled to stop heating, for example, when the temperature is lower, the heating element 152 is controlled to heat with higher power, and when the temperature is higher, the heating element 152 is controlled to heat with lower power. Thus ensuring that the food meets the requirements of the user.

Referring to fig. 21 and 22, in some embodiments, the main body 1 includes a power device 18 and a head locking mechanism 19, and the power device 18 is connected to the head locking mechanism 19 and is configured to drive the head locking mechanism 19 to act, lock or unlock the head 14. In some embodiments, the power device 18 may include an electric motor, such as a linear motor, or other power device. A power device 18 and a locking head mechanism 19 may be provided at the head 14. The head locking mechanism 19 can be inserted into the cap 4 to lock the head 14 and the cap 4, and the head 14 cannot move. When the handpiece locking mechanism 19 is retracted, the handpiece 14 is unlocked and the handpiece 14 can move. In the illustrated embodiment, the top of the lid 4 is provided with a locking slot 131, and the head locking mechanism 19 may be inserted into the locking slot 131 to lock the head 14 and the lid 4.

As shown in fig. 20, the control circuit 161 includes a driving circuit 166 electrically connected to the power device 18, and the controller 162 is electrically connected to the driving circuit 166, and is configured to control the driving circuit 166 to drive the power device 18, to actuate the handpiece locking mechanism 19 to lock the handpiece 14, and to control the motor 11 to drive the upper suction member 12 to rotate after the handpiece 14 is locked when the handpiece 14 is in the suction position and the electrical signal of the triggering circuit 163 indicates that the triggering assembly 17 is not triggered; and when the food processor stops working, the driving circuit 166 is controlled to drive the power device 18, so that the machine head locking mechanism 19 acts to unlock the machine head 14. The drive circuit 166 may drive the power plant to operate. When the food processor works, the machine head 14 is located at the suction position, and the machine head 14 can be locked by the machine head locking mechanism 19, so that the machine head 14 is prevented from shaking to influence whipping in the whipping work. When the food processor finishes working, the machine head 14 is unlocked by the machine head locking mechanism 19, and the machine head 14 can move.

In some embodiments, the control circuit 161 includes a second position detecting circuit 167, the second position detecting circuit 167 is used for detecting the position of the locking mechanism 19, and the controller 162 is electrically connected to the second position detecting circuit 167 and is used for controlling the driving circuit 166 to drive the power device 18 to actuate the locking mechanism 19 until the electric signal of the second position detecting circuit 167 indicates that the locking mechanism 19 is in the unlocking position. This can detect that the lock mechanism 19 is fully unlocked, thereby ensuring that the handpiece 14 can be disengaged after the coil 121 has been energized. In some embodiments, after the food processor stops working, the controller 162 controls the driving circuit 166 to drive the power device 18, so that the head locking mechanism 19 unlocks the head 14 until the electrical signal of the second position detecting circuit 167 indicates that the head locking mechanism 19 is in the unlocking position, and then when the trigger assembly 17 is triggered, the control coil 121 is energized, and the head 14 can rotate to the disengaging position.

In some embodiments, the second position detection circuit 167 includes a second detection switch 1671 electrically connected to the controller 162, the second detection switch 1671 being triggered when the lock mechanism 19 is in the unlock position, and the second detection switch 1671 being not triggered when the lock mechanism 19 is in the lock position. The second detection switch 1671 may be a mechanical switch, such as a microswitch, or a hall switch. In some embodiments, when the lock nose mechanism 19 is in the unlocked position, the mechanical switch is activated to close; when not triggered, the second detection switch 1671 is open. In other embodiments, the second detection switch 1671 may be a hall switch, and the locking mechanism 19 may include a magnetic element that generates a different signal when it is closer to or farther from the hall switch. A second detection switch 1671 may be provided at the host 1.

Fig. 21 is a circuit diagram illustrating an embodiment of the control circuit 161. Referring to fig. 20 and 21, the control circuit 161 includes a coil control circuit 169, the coil control circuit 169 includes an electronically controlled switch RLY1 and a transistor Q1 electrically connected to the electronically controlled switch RLY1, the electronically controlled switch RLY1 is electrically connected to the coil 121, and the controller 162 is electrically connected to the transistor Q1 for controlling on/off of the transistor Q1 to control on/off of the electronically controlled switch RLY1 to control on/off of the coil 121. Thus, the power on/off of the coil 121 can be accurately and quickly controlled, and the circuit is simple. The electrically controlled switch RLY1 may be a relay. In some embodiments, coil control circuit 169 includes a freewheeling diode D1 connected in parallel with electrically controlled switch RLY1 and includes resistors R1 and R2. The resistor R1 is connected in series between the base of the transistor Q1 and the ground, and the resistor R2 is connected in series between the base of the transistor Q1 and the controller 162.

The triggering circuit 163 includes the switch 174 and the resistor R3 of the triggering component 17, and the resistor R3 and the switch 174 are connected in series between the ground terminal and the controller 162. When the switch 174 is activated, the controller 162 detects a low level, and when the switch 174 is not activated, the controller 162 detects a high level.

The first position detecting circuit 164 includes a resistor R4, and the resistor R4 and the first detecting switch 1641 are connected in series between the controller 162 and the ground. When the first detection switch 1641 is activated, the controller 162 detects a low level, and when the first detection switch 1641 is not activated, the controller 162 detects a high level.

The second position detecting circuit 167 includes a resistor R7, and the resistor R7 and the second detecting switch 1671 are connected in series between the controller 162 and the ground. When the second detection switch 1671 is triggered, the controller 162 detects the low level, and when the second detection switch 1671 is not triggered, the controller 162 detects the high level.

The driving circuit 166 comprises a driving chip U3, resistors R8 and R9, and capacitors C1 and C2, wherein the resistors R8 and R9 and the capacitors C1 and C2 are electrically connected with the driving chip U3 respectively, so that the driving chip U3 can work normally. The controller 162 is electrically connected to the driving chip U3, and the driving chip U3 is electrically connected to the power device 18. In some embodiments, the power device 18 is an electric motor that rotates in both forward and reverse directions. The controller 162 can control the motor to rotate forward and backward by controlling the driving chip U3. When the M _ INA end is at a high level and the M _ INB end is at a low level, the motor rotates forwards; when the M _ INA terminal is at a low level and the M _ INB terminal is at a high level, the motor rotates reversely.

Fig. 24 is a flowchart illustrating the operation control of the food processor. In some embodiments, in conjunction with FIGS. 1-23, after the device is powered up, it is determined whether the handpiece 14 is in the engaged position 210. If not, the food processor is controlled to enter the sleep mode, step 220. If the food processor is in the suction position, the food processor is controlled to enter a standby mode, step 230, and then the upper suction part 12 and the lower suction part 21 are sucked. In step 240, a function selection instruction is received. In step 250, the power device 18 is controlled to drive the handpiece locking mechanism 19 to act, and the handpiece 14 is locked. In step 260, according to the function selection instruction, the food processor is controlled to start the food processing work, and the motor 11 can be controlled to drive the upper adsorption part 12 to rotate, so as to drive the stirring device 2 to rotate.

Fig. 25 is a flowchart showing the stop control of the food processor. With reference to fig. 1-23, in step 310, after the cooking operation is finished, the cooking machine is controlled to enter a standby mode. After the food processing operation is finished, in step 320, the power device 18 is controlled to drive the head locking mechanism 19 to operate, so as to unlock the head 14. In step 330, upon receiving a signal indicating that the trigger assembly 17 is triggered, the control coil 121 is energized to reduce or eliminate the magnetic attraction between the upper attraction member 12 and the lower attraction member 21, and the user can rotate the handpiece 14 to the disengaged position. In step 340, it is determined whether the length of time that the triggering component 17 is triggered reaches a length of time threshold. If so, the control coil 121 is de-energized, step 350. After the coil 121 is energized, a determination is made as to whether the handpiece 14 is in the engaged position, step 360. If not, the food processor is controlled to enter the sleep mode, step 370.

Fig. 26 is a flowchart illustrating an embodiment of a control method of the food processor. A control method of a food processor is used for controlling the food processor. Referring to fig. 1-23, the food processor includes a main machine 1, a stirring device 2 and a control circuit 161, the main machine 1 includes a machine head 14, and the machine head 14 is located above the stirring device 2. The machine head 14 comprises a motor 11 and an upper adsorption piece 12 connected with the motor 11, the stirring device 2 comprises a lower adsorption accessory 21, and the main machine 1 or the stirring device 2 comprises a coil 121. The control circuit 161 includes a trigger circuit 163, and the trigger circuit 163 includes a trigger component 17. The aircraft nose 14 includes actuation position and disengagement position during the actuation position, go up the absorption part 12 with inhale annex 21 down relatively during the disengagement position, go up the absorption part 12 with inhale annex 21 down and stagger, the aircraft nose 14 can the actuation position with move between the disengagement position. The structure of the food processer is referred to the above description, and is not described herein again.

The food processor control method comprises

steps

410, 420 and 430. In step 410, an electrical signal of the trigger circuit 163 is detected while the handpiece 14 is in the pick-up position. In step 420, if the electrical signal of the trigger circuit 163 indicates that the trigger assembly 17 is not triggered, the coil 121 is controlled to be powered off, and the motor 11 is controlled to drive the upper absorbing member 12 to rotate, so that the lower absorbing member 21 is driven to rotate by the magnetic attraction between the upper absorbing member 12 and the lower absorbing member 21, so as to drive the stirring device 2 to rotate. In step 430, if the electrical signal of the trigger circuit 163 indicates that the trigger assembly 17 is triggered, the coil 121 is controlled to be energized to reduce or eliminate the magnetic attraction between the upper suction member 12 and the lower suction member 21, so that the handpiece 14 can move from the suction position to the disengagement position. In some embodiments, in step 440, it may be determined whether the electrical signal of the trigger circuit 163 indicates that the trigger component 17 is triggered, for example, when the electrical signal of the trigger circuit 163 is low, the trigger component 17 is triggered, and when the electrical signal of the trigger circuit 163 is high, the trigger component 17 is not triggered. The electrical signal through the trigger circuit 163 can determine whether the trigger assembly 17 is triggered. The food processor control method may be performed by the controller 162 described above.

In some embodiments of this application, cooking machine control method can be according to the break-make electricity of trigger circuit 163's signal automatic control coil 121, come the control to adsorb 12 and inhale the magnetic attraction between the annex 21 down, make motor 11 can drive agitating unit 2 through last adsorbing 12 and inhale the magnetic attraction between the annex 21 down and rotate, agitating unit 2 stall can not influence the rotation of motor 11, and motor 11 can idle run, so, even agitating unit 2 is blocked unable the rotation, and motor 11 still can normally rotate, prevents motor 11 effectively because of the temperature rise that the locked rotor caused is too high and damage, protects motor 11 effectively. And the user triggers trigger assembly 17, can control coil 121 circular telegram, reduces or eliminates magnetic attraction for aircraft nose 14 can move, and automatic control magnetic attraction is more intelligent, improves user experience, and is convenient for be used for the operation, convenient to use.

In some embodiments, the food processor control method includes: after controlling the coil 121 to be powered on, determining the time length for which the trigger component 17 is triggered, and controlling the coil 121 to be powered off when the time length reaches a time length threshold value. Thus, by controlling the energization time of the coil 121, the coil 121 can be effectively protected, and the coil 121 can be prevented from being shortened due to the excessively long energization time caused by the excessively long pressing of the trigger unit 17 by the user, so that the service life can be prolonged, and the coil 121 is not easily burned out.

In some embodiments, the control circuit 161 includes a first position detection circuit 164, the first position detection circuit 164 includes a first detection switch 1641, and the first detection switch 1641 is activated when the handpiece 14 is in the engaged position. When the electrical signal of the first position detecting circuit 164 indicates that the first detecting switch 1641 is triggered and the electrical signal of the triggering circuit 163 indicates that the triggering component 17 is not triggered, the coil 121 is controlled to be powered off, and the motor 11 is controlled to drive the upper absorbing member 12 to rotate. So can guarantee that the aircraft nose is in accurate actuation position, go up the absorption piece and inhale annex actuation better down to the motor can drive agitating unit better and rotate, reduces the not good beating degree that leads to of actuation and rocks.

In some embodiments, the food processor control method includes: after controlling the coil 121 to be powered on, and the electric signal of the first position detecting circuit 164 indicates that the first detecting switch 1641 is not triggered, the food processor is controlled to enter the sleep mode. Thus, power can be saved and the system is more intelligent.

In some embodiments, the control circuit 161 includes a and function selection circuit 165. When the machine head 14 is in the suction position and the electric signal of the trigger circuit 163 indicates that the trigger component 17 is not triggered, the food processor is controlled to be in the standby mode and the coil 121 is controlled to be powered off. And when receiving a function selection instruction generated by the function selection circuit 165 operated by a user, controlling the food processor to perform food processing according to the function selection instruction. Wherein, control motor 11 drive go up absorption piece 12 and rotate to realize the whipping work of cooking machine. Therefore, the intelligent degree is high, and the user experience is good.

In some embodiments, the main machine 1 includes a power device 18 and a head locking mechanism 19, and the power device 18 is connected to the head locking mechanism 19 and is used for driving the head locking mechanism 19 to act, lock or unlock the head 14. The food processor control method comprises the following steps: when the handpiece 14 is in the suction position and the electric signal of the trigger circuit 163 indicates that the trigger component 17 is not triggered, the power device 18 is controlled to enable the handpiece locking mechanism 19 to act, so that the handpiece 14 is locked. After the handpiece 14 is locked, the motor 11 is controlled to drive the upper adsorption piece 12 to rotate. When the food processor stops working, the power device 18 is controlled to enable the machine head locking mechanism 19 to act, and the machine head 14 is unlocked. Therefore, the machine head can be prevented from shaking to influence the whipping in the whipping work.

In some embodiments, the control circuit 161 includes a second position detection circuit 167, the second position detection circuit 167 for detecting the position of the latch head mechanism 19. When the food processor stops working, the power device 18 is controlled to enable the machine head locking mechanism 19 to act to unlock the machine head 14, and the food processor comprises: detecting an electric signal of the second position detecting circuit 167; the power device is controlled to actuate the locking mechanism 19 until the electrical signal of the second position detection circuit 167 indicates that the locking mechanism 19 is in the unlocked position. Therefore, the complete unlocking of the machine head locking mechanism can be detected, and the machine head can be ensured to move smoothly.

In some embodiments, the food processor includes a heating assembly 152 connected to the main body 1 for heating food materials. The food processor control method comprises the following steps: when the machine head 14 is at the attraction position and the electric signal of the trigger circuit 163 indicates that the trigger assembly 17 is not triggered, the temperature of the food material is obtained, and the heating assembly 152 is controlled to work according to the temperature of the food material. Therefore, the cooked food can meet the requirements of users.

Although the present application has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application, and all changes, substitutions and alterations that fall within the spirit and scope of the application are to be understood as being covered by the following claims.

Claims

1. The food processor is characterized by comprising a main machine (1), a stirring device (2) and a control circuit (161), wherein the main machine (1) comprises a machine head (14), the machine head (14) is positioned above the stirring device (2), the machine head (14) comprises a motor (11) and an upper adsorption piece (12) connected with the motor (11), the stirring device (2) comprises a lower adsorption accessory (21), and the main machine (1) or the stirring device (2) comprises a coil (121); the control circuit (161) comprises a trigger circuit (163) and a controller (162), the trigger circuit (163) comprising a trigger component (17); the controller (162) is electrically connected with the motor (11), the coil (121) and the trigger circuit (163) respectively;

the machine head (14) comprises a suction position and a separation position, the upper suction part (12) is opposite to the lower suction accessory (21) in the suction position, the upper suction part (12) is staggered with the lower suction accessory (21) in the separation position, and the machine head (14) can move between the suction position and the separation position;

when the machine head (14) is located at the suction position, the controller (162) is used for detecting an electric signal of the trigger circuit (163), when the electric signal of the trigger circuit (163) indicates that the trigger component (17) is not triggered, the coil (121) is controlled to be powered off, the motor (11) is controlled to drive the upper adsorption part (12) to rotate, and the lower adsorption part (21) is driven to rotate through the magnetic attraction between the upper adsorption part (12) and the lower adsorption part (21) so as to drive the stirring device (2) to rotate; and is used for controlling the coil (121) to be electrified when the electric signal of the trigger circuit (163) indicates that the trigger component (17) is triggered so as to reduce or eliminate the magnetic attraction force between the upper suction piece (12) and the lower suction piece (21) and enable the handpiece (14) to move from the suction position to the disengagement position.

2. The food processor of claim 1, wherein the controller (162) is configured to determine a time period for which the trigger assembly (17) is triggered, and to control the coil (121) to be de-energized when the time period reaches a time period threshold.

3. The food processor of claim 1, wherein the control circuit (161) comprises a first position detection circuit (164), the first position detection circuit (164) comprises a first detection switch (1641), and the first detection switch (1641) is triggered when the machine head (14) is in the attraction position;

the controller (162) is electrically connected with the first position detection circuit (164) and is used for controlling the coil (121) to be powered off and controlling the motor (11) to drive the upper adsorption piece (12) to rotate when the electric signal of the first position detection circuit (164) indicates that the first detection switch (1641) is triggered and the electric signal of the trigger circuit (163) indicates that the trigger assembly (17) is not triggered.

4. The food processor of claim 3, wherein the controller (162) is configured to control the food processor to enter a sleep mode after controlling the coil (121) to be energized and the electrical signal of the first position detection circuit (164) indicates that the first detection switch (1641) is not activated.

5. The food processor of claim 1, wherein the control circuit (161) comprises a function selection circuit (165) electrically connected to the controller (162); when the machine head (14) is at the suction position, the controller (162) is used for controlling the food processor to be in a standby mode and controlling the coil (121) to be powered off when the electric signal of the trigger circuit (163) indicates that the trigger component (17) is not triggered, and controlling the food processor to perform food processing according to a function selection instruction generated by the operation of the function selection circuit (165) by a user when the function selection instruction is received; wherein, controller (162) are used for controlling motor (11) drive go up absorption piece (12) and rotate to realize the whipping work of cooking machine.

6. The food processor as claimed in claim 1, wherein the main machine (1) comprises a power device (18) and a machine head locking mechanism (19), the power device (18) is connected with the machine head locking mechanism (19) and is used for driving the machine head locking mechanism (19) to act, and locking or unlocking the machine head (14);

the control circuit (161) comprises a driving circuit (166) electrically connected with the power device (18), and the controller (162) is electrically connected with the driving circuit (166) and is used for controlling the driving circuit (166) to drive the power device (18) when the handpiece (14) is at the suction position and an electric signal of the trigger circuit (163) indicates that the trigger component (17) is not triggered, so that the handpiece locking mechanism (19) acts to lock the handpiece (14), and after the handpiece (14) is locked, the motor (11) is controlled to drive the upper adsorption part (12) to rotate; and when the food processor stops working, the driving circuit (166) is controlled to drive the power device (18), so that the machine head locking mechanism (19) acts to unlock the machine head (14).

7. The food processor of claim 6, wherein the control circuit (161) comprises a second position detecting circuit (167), the second position detecting circuit (167) is used for detecting the position of the locking mechanism (19), and the controller (162) is electrically connected to the second position detecting circuit (167) and is used for controlling the driving circuit (166) to drive the power device to actuate the locking mechanism (19) until the electric signal of the second position detecting circuit (167) indicates that the locking mechanism (19) is in the unlocking position.

8. The food processor of claim 7, wherein the second position detection circuit (167) comprises a second detection switch (1671) electrically connected to the controller (162), the second detection switch (1671) being triggered when the lock mechanism (19) is in the unlocked position, and the second detection switch (1671) being not triggered when the lock mechanism (19) is in the locked position.

9. The food processor as claimed in claim 1, wherein the food processor comprises a heating component (152) connected with the host (1) for heating food material, the control circuit (161) comprises a temperature detection circuit (153) for detecting the temperature of food material, the controller (162) is electrically connected with the heating component (152) and the temperature detection circuit (153) for controlling the heating component (152) according to the temperature of food material detected by the temperature detection circuit (153) when the head (14) is in the attraction position and the electric signal of the trigger circuit (163) indicates that the trigger component (17) is not triggered.

10. A control method of a food processor is used for controlling the food processor, and is characterized in that the food processor comprises a host (1), a stirring device (2) and a control circuit (161), the host (1) comprises a machine head (14), the machine head (14) is positioned above the stirring device (2), the machine head (14) comprises a motor (11) and an upper adsorption piece (12) connected with the motor (11), the stirring device (2) comprises a lower adsorption accessory (21), and the host (1) or the stirring device (2) comprises a coil (121); the control circuit (161) comprises a trigger circuit (163), the trigger circuit (163) comprising a trigger component (17);

the food processor control method comprises the following steps:

detecting an electrical signal of the trigger circuit (163) when the handpiece (14) is in the pick-up position;

if the electric signal of the trigger circuit (163) indicates that the trigger component (17) is not triggered, the coil (121) is controlled to be powered off, the motor (11) is controlled to drive the upper adsorption part (12) to rotate, and the lower adsorption part (21) is driven to rotate by the magnetic attraction force between the upper adsorption part (12) and the lower adsorption part (21) so as to drive the stirring device (2) to rotate;

if the electric signal of the trigger circuit (163) indicates that the trigger component (17) is triggered, the coil (121) is controlled to be electrified so as to reduce or eliminate the magnetic attraction force between the upper suction part (12) and the lower suction accessory (21), so that the machine head (14) can move from the suction position to the disengagement position.

11. The food processor control method of claim 10, comprising:

after the coil (121) is controlled to be powered on, determining the time length for which the trigger component (17) is triggered, and controlling the coil (121) to be powered off when the time length reaches a time length threshold value.

12. The control method of the food processor of claim 10, wherein the control circuit (161) comprises a first position detection circuit (164), the first position detection circuit (164) comprises a first detection switch (1641), and when the machine head (14) is in the attraction position, the first detection switch (1641) is triggered;

if the electric signal of the trigger circuit (163) indicates that the trigger assembly (17) is not triggered, the coil (121) is controlled to be powered off, and the motor (11) is controlled to drive the upper adsorption part (12) to rotate, including:

when the electric signal of the first position detection circuit (164) indicates that the first detection switch (1641) is triggered, the coil (121) is controlled to be powered off, and the motor (11) is controlled to drive the upper adsorption piece (12) to rotate.

13. The food processor control method of claim 12, comprising:

after the coil (121) is controlled to be electrified, and the electric signal of the first position detection circuit (164) indicates that the first detection switch (1641) is not triggered, the food processor is controlled to enter a sleep mode.

14. The food processor control method according to claim 10, wherein the control circuit (161) comprises a and function selection circuit (165);

when the machine head (14) is in the attraction position and the electric signal of the trigger circuit (163) indicates that the trigger component (17) is not triggered, the coil (121) is controlled to be powered off, and the motor (11) is controlled to drive the upper adsorption part (12) to rotate, including:

when the machine head (14) is in the attraction position and the electric signal of the trigger circuit (163) indicates that the trigger component (17) is not triggered, controlling the food processor to be in a standby mode and controlling the coil (121) to be powered off;

when a function selection instruction generated by the operation of the function selection circuit (165) by a user is received, controlling the food processor to carry out food processing work according to the function selection instruction; wherein, control motor (11) drive go up absorption piece (12) and rotate to realize the whipping work of cooking machine.

15. The control method of the food processor according to claim 10, wherein the host (1) comprises a power device (18) and a head locking mechanism (19), the power device (18) is connected with the head locking mechanism (19) and is used for driving the head locking mechanism (19) to act, and locking or unlocking the head (14);

the food processor control method comprises the following steps:

when the machine head (14) is in the attraction position and the electric signal of the trigger circuit (163) indicates that the trigger component (17) is not triggered, controlling the power device (18) to enable the machine head locking mechanism (19) to act, and locking the machine head (14);

after the machine head (14) is locked, controlling the motor (11) to drive the upper adsorption piece (12) to rotate;

when the food processor stops working, the power device (18) is controlled to enable the machine head locking mechanism (19) to act, and the machine head (14) is unlocked.

16. The control method of the food processor of claim 15, wherein the control circuit (161) comprises a second position detection circuit (167), the second position detection circuit (167) is used for detecting the position of the locking mechanism (19);

when the cooking machine stop work, control power device (18) make lock aircraft nose mechanism (19) action, unblock aircraft nose (14) include:

detecting an electrical signal of the second position detection circuit (167); and

and controlling the power device to enable the lock head mechanism (19) to act until the electric signal of the second position detection circuit (167) indicates that the lock head mechanism (19) is in an unlocking position.

17. The control method of the food processor as claimed in claim 10, wherein the food processor comprises a heating assembly (152) connected with the host machine (1) for heating food material;

the food processor control method comprises the following steps:

when the machine head (14) is located at the attraction position and the electric signal of the trigger circuit (163) indicates that the trigger component (17) is not triggered, the temperature of food materials is obtained, and the heating component (152) is controlled according to the temperature of the food materials.