CN214856179U

CN214856179U - Magnetic double-control stirring machine

Info

Publication number: CN214856179U
Application number: CN202120552671.4U
Authority: CN
Inventors: 田磊磊
Original assignee: Zhongshan Beita Electrical Technology Co ltd
Current assignee: Zhongshan Beita Electrical Technology Co ltd
Priority date: 2021-03-17
Filing date: 2021-03-17
Publication date: 2021-11-26
Anticipated expiration: 2031-03-17

Abstract

The utility model relates to a mixer technical field, concretely relates to two accuse mixers of magnetic force. The inner side of the cup cover is provided with a coil and a microswitch for controlling whether the coil is closed or not; the microswitch is arranged at a position where the cup cover is contacted with the cup opening of the cup body when the cup cover is buckled on the cup body; when the cup cover is buckled on the cup body, the cup mouth presses the microswitch, the microswitch is conducted, and the coil is closed to send a signal with a specific frequency or send a signal with a specific frequency when the cup cover is excited in a state to be excited; when the cup cover is not buckled on the cup body, the micro switch is switched off, so that the coil cannot send a signal with a specific frequency; the stirring device comprises an induction chip; the sensing chip is used for controlling the stirring device to be in a permitted working state when sensing the signal with the specific frequency, and controlling the stirring device to be in a non-permitted working state when not sensing the signal with the specific frequency.

Description

Magnetic double-control stirring machine

Technical Field

The utility model belongs to the technical field of the mixer technique and specifically relates to a two accuse mixers of magnetic force.

Background

At present, mixer on the market all includes base, cup, motor and stirring blade, and wherein, the motor is fixed on the base, and stirring blade then is located inside the cup, has seted up the through-hole on the wall of cup, and the output shaft of motor passes this through-hole and stretches into in the cup with stirring blade cooperation to drive stirring blade rotation when the operation and stir. The base, namely the cup cover, is provided with a switch, and the operation of the magnetic double-control stirring machine is controlled by the switch.

However, in the prior art, when the cup and the base are opened, the stirring blade and the motor can still operate, so that the mixer which is placed away from the cup is opened is dangerous in ten minutes.

Disclosure of Invention

In view of this, a magnetic double-control mixer is provided to solve the problem that when the cup body and the base are opened, the mixing blade and the motor can still operate, so that the mixer placed away from the cup body is dangerous in the tenth position.

The invention adopts the following technical scheme:

a magnetic dual control blender, comprising: the cup comprises a cup body, a cup cover and a stirring device arranged in the cup cover;

a coil and a microswitch for controlling whether the coil is closed or not are arranged on the inner side of the cup cover;

the microswitch is arranged at a position where the cup cover is contacted with the cup opening of the cup body when the cup cover is buckled on the cup body; when the cup cover is buckled on the cup body, the cup mouth presses the microswitch, the microswitch is conducted, and the coil is closed to send a signal with a specific frequency or send a signal with a specific frequency when the cup cover is excited in a state to be excited; when the cup cover is not buckled on the cup body, the microswitch is switched off, so that the coil cannot send a signal with a specific frequency;

the stirring device comprises an induction chip; the sensing chip is used for controlling the stirring device to be in a permitted working state when sensing the signal with the specific frequency, and controlling the stirring device to be in a non-permitted working state when not sensing the signal with the specific frequency.

Optionally, the method includes: an IC chip matched with the coil is arranged on the inner side of the cup cover; the IC chip and the coil act together to send out a signal with a specific frequency.

Optionally, the coil is an ID coil or an NFC coil.

The power module supplies power to the coil and the IC chip.

Optionally, the stirring device includes a main machine, a blade assembly and a sound-proof housing, wherein:

the main machine is provided with a driving magnetic assembly, and the blade assembly is provided with a driven magnetic assembly;

the blade component is abutted against the main machine, and the overlapped areas of the blade component and the main machine are combined to form an isolating layer, wherein the blade component and the main machine are in contact with each other

The driving magnetic assembly and the driven magnetic assembly are respectively positioned on two sides of the isolation layer, and the isolation layer is a non-magnetic-conductive material;

one of the driving magnetic assembly and the driven magnetic assembly is provided with a magnetic pole, the other of the driving magnetic assembly and the driven magnetic assembly is provided with a corresponding magnetic pole, and when the host computer runs, the magnetic pole in the driving magnetic assembly and the magnetic pole in the driven magnetic assembly are in magnetic coupling connection to drive the blade assembly to rotate;

the host computer includes the motor, the sound-proof housing cover is established the motor outside is used for reducing the noise that produces when the motor operation.

Optionally, the host further comprises a host shell and a driving shaft; the lower end of the driving shaft is fixedly connected with the upper end of the motor, and the upper end of the driving shaft is fixedly connected with the lower end of the driving magnetic assembly; the motor is fixedly connected in the host shell, and the sound-proof housing is sleeved on the outer side of the motor and fixedly connected with the bottom plate of the host shell.

Optionally, the blade assembly includes a blade assembly housing, a blade and a driven shaft, and the upper end of the driven shaft is fixedly connected with the lower end of the blade;

the lower end of the driven shaft is fixedly connected to the upper end of the driven magnetic assembly; the blade assembly outer sleeve is provided with the blade assembly shell.

Optionally, initiative magnetic force component includes initiative magnetic pole and initiative magnetic pole fixed disk, driving shaft upper end fixed connection be in on the initiative magnetic pole fixed disk, the initiative magnetic pole fixed disk is a tourus, the initiative magnetic pole fixed disk is non-magnetic conductive material, first recess has been seted up to the tourus top surface, first recess is the ring form, the initiative magnetic pole is fixed to be set up in the first recess.

Optionally, driven magnetic force component includes driven magnetic pole and driven magnetic pole fixed disk, driven shaft lower extreme fixed connection be in on the driven magnetic pole fixed disk, the driven magnetic pole fixed disk is a tourus, the driven magnetic pole fixed disk is non-magnetic conductive material, the second recess has been seted up to the tourus bottom surface, the second recess is the ring form, driven magnetic pole is fixed to be set up in the second recess.

Optionally, when the blade assembly is placed on the upper end of the main frame, the bottom plate of the blade assembly housing contacts with the top plate of the main frame housing, and the overlapping regions of the bottom plate of the blade assembly housing and the top plate of the main frame housing combine to form the isolation layer.

Optionally, the number of the active magnetic poles is even, the number of N poles and the number of S poles in the active magnetic poles respectively account for half of the total number of the active magnetic poles, the active magnetic poles are annularly arranged in the first groove in a manner of crossing NS poles, and the magnetization direction of the active magnetic poles is axial;

the number of the driven magnetic poles is even, the number of N poles and the number of S poles in the driven magnetic poles respectively account for half of the total number of the driving magnetic poles, the driven magnetic poles are annularly distributed in the second groove in a mode of crossing NS poles, and the magnetizing direction of the driven magnetic poles is axial;

the driving magnetic pole can be in magnetic coupling connection with the driven magnetic pole through the isolation layer, and the driving magnetic pole fixing disc can drive the driven magnetic pole fixing disc to rotate when in operation.

Furthermore, the annular arrangement of the magnetic poles is a mode that the magnet blocks are arranged in sequence; other ways can be realized, most commonly, one annular medium is magnetized, and axial multi-stage magnetization can be realized. Likewise, there are an even number of poles, NS is cross-cycled.

According to the technical scheme, the coil and the microswitch for controlling the coil to be closed or not are arranged on the inner side of the cup cover; the microswitch is arranged at a position where the cup cover is contacted with the cup opening of the cup body when the cup cover is buckled on the cup body; when the cup cover is buckled on the cup body, the cup mouth presses the micro switch, the micro switch is conducted, and the coil is closed to send a signal with a specific frequency; when the cup cover is not buckled on the cup body, the micro switch is switched off, so that the coil is switched off and a signal with a specific frequency cannot be sent out; the stirring device comprises an induction chip; the induction chip is used for controlling the stirring device to be in a standby state when the induction chip induces the signal with the specific frequency, and controlling the stirring device to be in a shutdown state when the induction chip does not induce the signal with the specific frequency. With the arrangement, only when the cup cover is buckled on the cup body, the microswitch is pressed by the induction chip to control the stirring device to enter a standby state. If the cup cover is not buckled with the cup body, the induction chip can control the stirring device to enter a shutdown state, and the stirring device cannot run, so that the stirrer is safer. By the arrangement, the main structure of the stirrer is not damaged on the basis of ensuring safety,

drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a magnetic double-control stirring machine according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a magnetic double-control stirring machine according to an embodiment of the present invention;

FIG. 3 is a schematic view of a portion of a magnetic double control mixer according to an embodiment of the present invention;

FIG. 4 is a schematic view of a portion of a magnetic double control mixer according to an embodiment of the present invention;

FIG. 5 is a structural diagram of a magnetic stirrer of the present invention;

fig. 6 is a structural view of a blade assembly of the present invention;

FIG. 7 is a structural diagram of the main frame of the present invention;

fig. 8 is a cross-sectional view of the active magnetic assembly of the present invention;

fig. 9 is a cross-sectional view of a driven magnetic assembly of the present invention.

Reference numerals:

1. a cup body; 2. a cup cover; 21. an IC chip; 22. a microswitch; 23. a coil; 3. a stirring device; 31. a host; 32. a blade assembly; 33. a sound-proof housing; 34. an active magnetic assembly; 35. a driven magnetic assembly; 36. an isolation layer; 37. a switch; 38. a power supply unit; 311. a host housing; 312. a motor; 313. a drive shaft; 321. a blade assembly housing; 322. a blade; 323. a driven shaft; 341. an active magnetic pole; 342. an active magnetic pole fixing disc; 351. a driven magnetic pole; 352. and a driven magnetic pole fixing disc.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention. In the description of the present invention, it is to be understood that the terms "center", "lateral", "length", "width", "height", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", and the like indicate orientations or positional relationships based on those shown in fig. 1, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Examples

Referring to fig. 1 to 4, in the solution provided by the present application, the magnetic double-control stirring machine includes: the cup comprises a cup body 1, a cup cover 2 and a stirring device 3 arranged in the cup cover 2;

a coil 23 and a microswitch 22 for controlling whether the coil 23 is closed or not are arranged on the inner side of the cup cover 2;

the microswitch 22 is arranged at a position where the cup cover 2 is contacted with the cup opening of the cup body 1 when the cup cover 2 is buckled on the cup body 1; when the cup cover 2 is buckled on the cup body 1, the cup mouth presses the micro switch 22, the micro switch 22 is conducted, and the coil 23 is closed to send a signal with a specific frequency or send a signal with a specific frequency when being excited in a state to be excited; when the cup cover 2 is not buckled on the cup body 1, the microswitch 22 is switched off, so that the coil 23 is switched off and a signal with a specific frequency cannot be sent;

the stirring device 3 comprises an induction chip; the induction chip is used for controlling the stirring device 3 to be in an allowable working state when the induction chip induces the signal with the specific frequency, and controlling the stirring device 3 to be in a non-allowable state when the induction chip does not induce the signal with the specific frequency.

With the arrangement, only when the cup cover 2 is buckled on the cup body 1, the microswitch 22 is pressed by the induction chip to control the stirring device 3 to enter a standby state. If the cup cover 2 is not buckled with the cup body 1, the induction chip can control the stirring device 3 to enter a shutdown state, and the stirring device 3 cannot run, so that the stirrer is safer.

Further, an IC chip 21 matched with the coil 23 is arranged on the inner side of the cup cover 2; the IC chip 21 and the coil 23 cooperate to emit a signal of a specific frequency.

Specifically, the coil 23 may be an IC coil, an ID coil, or an NFC coil.

It should be noted that the IC card coil, the ID coil, and the NFC coil are all mature technologies in the prior art, and can transmit a signal with a preset frequency. In the scheme that this application provided, the main during operation of coil, when the bowl cover closure is at the cup, when micro-gap switch closed promptly, produce the induction chip signal that specific frequency gives the host computer. The induction chip is used for controlling the stirring device 3 to be in an allowable working state when the induction chip induces the signal with the specific frequency, and controlling the stirring device 3 to be in a non-allowable state when the induction chip does not induce the signal with the specific frequency.

Referring to fig. 5 to 9, the stirring device 3 of the magnetic double-control stirring machine provided by the present invention includes a main machine 31, a blade assembly 32 and a soundproof cover 33, wherein the main machine 31 is provided with a driving magnetic assembly 34, and the blade assembly 32 is provided with a driven magnetic assembly 35; the blade component 32 is abutted against the main machine 31, the overlapped areas of the blade component and the main machine 31 are combined to form an isolation layer 36, and the driving magnetic component 34 and the driven magnetic component 35 are respectively positioned on two sides of the isolation layer 36; one of the driving magnetic assembly 34 and the driven magnetic assembly 35 is provided with a magnetic pole, the other one of the driving magnetic assembly 34 and the driven magnetic assembly 35 is provided with a corresponding magnetic pole, and when the host 31 operates, the magnetic pole in the driving magnetic assembly 34 is in magnetic coupling connection with the magnetic pole in the driven magnetic assembly 35 to drive the blade assembly 32 to rotate; the main body 31 includes a motor 312, and the soundproof cover 33 is disposed outside the motor 312 for reducing noise generated when the motor 312 operates.

Through set up initiative magnetic force component 34 in host computer 31, set up driven magnetic force component 35 in blade subassembly 32, the magnetic pole in the initiative magnetic force component 34 and the magnetic pole magnetic coupling in the driven magnetic force component 35 are connected in order to drive blade subassembly 32 and rotate, realized not just can carry out the transmission of effectual power and moment between host computer 31 and the blade subassembly 32 through direct contact, direct physical connection has been avoided, and be provided with sound-proof housing 33 in host computer 31, thereby the vibrations of equipment have been reduced, the noise is reduced, consumer's use experience has been improved.

As an optional embodiment, the host 31 further includes a host housing 311 and a main shaft 313; the lower end of the driving shaft 313 is fixedly connected with the upper end of the motor 312, and the upper end of the driving shaft 313 is fixedly connected with the lower end of the driving magnetic assembly 34; the motor 312 is fixedly connected in the main body housing 311, and the soundproof cover 33 is sleeved outside the motor 312 and is fixedly connected with the bottom plate of the main body housing 311.

The motor 312 is connected with the active magnetic pole assembly 4 through the active shaft 313, so that the energy of the motor 312 is better and faster transmitted to the active magnetic assembly 34, and the energy loss is reduced.

As an alternative embodiment, the blade assembly 32 comprises a blade assembly housing 321, a blade 322 and a driven shaft 323, wherein the upper end of the driven shaft 323 is fixedly connected with the lower end of the blade 322; the lower end of the driven shaft 323 is fixedly connected with the upper end of the driven magnetic assembly 35; the blade assembly 32 is externally sleeved with a blade assembly housing 321.

The blade 322 and the driven magnetic assembly 35 are connected through the driven shaft 323, so that the blade 322 can run conveniently, and the blade 322 can run faster and more smoothly.

As an alternative embodiment, the active magnetic assembly 34 includes an active magnetic pole 341 and an active magnetic pole fixing disk 342, the upper end of the active shaft 313 is fixedly connected to the active magnetic pole fixing disk 342, the active magnetic pole fixing disk 342 is a circular ring body, a first groove is formed on the top surface of the circular ring body, the first groove is in a circular ring shape, and the active magnetic pole 341 is fixedly disposed in the first groove.

As an alternative embodiment, the driven magnetic assembly 35 includes a driven magnetic pole 351 and a driven magnetic pole fixing disc 352, the lower end of the driven shaft 323 is fixedly connected to the driven magnetic pole fixing disc 352, the driven magnetic pole fixing disc 352 is a circular ring body, a second groove is formed in the bottom surface of the circular ring body, the second groove is circular, and the driven magnetic pole 351 is fixedly disposed in the second groove.

In an alternative embodiment, the blade assembly 32 and the cup body 1 together form a stirring cup, when the stirring cup is placed on the upper end of the main body 31, the bottom plate of the blade assembly housing 321 contacts with the top plate of the main body housing 311, and the overlapped areas of the bottom plate of the blade assembly housing 321 and the top plate of the main body housing 311 are combined to form the isolation layer 36.

Because host computer 31 and stirring cup are two complete independent subassemblies, no mechanical connection, simple structure, convenient to use reduces the potential safety hazard problem in the use.

Alternatively, the driving pole holding disk 342, the driven pole holding disk 352, and the spacer 36 are made of non-magnetic materials to avoid loss of magnetic force during transmission.

As an optional embodiment, the number of the active magnetic poles 341 is even, the number of N poles and the number of S poles in the active magnetic poles 341 each account for half of the total number of the active magnetic poles 341, the active magnetic poles 341 are annularly arranged in the first groove in a manner that NS poles intersect, and the magnetization direction of the active magnetic poles 341 is axial; the number of the driven magnetic poles 351 is even, the number of the N poles and the number of the S poles in the driven magnetic poles 351 respectively account for half of the total number of the driving magnetic poles 341, the driven magnetic poles 351 are annularly arranged in the second groove in a mode of crossing the NS poles, and the magnetizing direction of the driven magnetic poles 351 is axial; the driving pole 341 is magnetically coupled to the driven pole 351 through the isolation layer 36, and the driving pole fixing disk 342 rotates to drive the driven pole fixing disk 352.

By adopting the magnetic coupling principle, the transmission of force and torque between the driving shaft and the driven shaft can be realized without direct contact, the energy loss caused by vibration is reduced, and the working efficiency is improved; the number of N poles and the number of S poles in the driving magnetic pole 341 and the driven magnetic pole 351 respectively account for half, so that the magnetic pole coupling effect is better, and the efficiency is higher during operation.

As an alternative embodiment, a gap is left between the driving pole fixing disk 342 and the isolation layer 36, and a gap is left between the driven pole fixing disk 352 and the isolation layer 36, because the principle of planar attraction is adopted, when the driving pole 341 and the driven pole 351 have greater attraction to each other, the gap is smaller, the torque generated is larger, and the rotating speed of the blade is faster.

When the driving magnetic pole fixing disk 342 is driven by the motor 312 to rotate, the driven magnetic pole fixing disk 352 is still in a static state at the beginning due to the friction force and the resistance of a driven component, at this time, the driving magnetic pole fixing disk 342 starts to deviate a certain angle relative to the driven magnetic pole fixing disk 352, due to the angle, the N pole and the S pole of the driving magnetic pole 341 have a pulling effect on the S pole and the N pole of the driven magnetic pole 351, and meanwhile, the N pole and the S pole of the driving magnetic pole 341 have a pushing effect on the previous N pole and the previous S pole of the driven magnetic pole 351, so that the driven magnetic pole fixing disk 352 has a tendency of rotating along with the driving magnetic pole.

Alternatively, the diameter of the driving pole holding disk 342 and the diameter of the driven pole holding disk 352 are the same and their central axes coincide.

The driving magnetic pole fixing disk 342 and the driven magnetic pole fixing disk 352 have the same diameter, and the central axes are overlapped, so that the magnetic coupling effect is better, and the operation of the blade assembly 32 is more facilitated.

In an alternative embodiment, the main body 31 is provided with a switch 37, and the switch 37 is a control circuit board for controlling the motor 312 to start and stop.

The switch 37 is arranged on the top surface of the host casing 311, the switch 37 is a control circuit board with a touch function, and the control circuit board adopts a voltage reduction speed regulation or pole change speed regulation mode to realize soft start, namely, the rotation process is gradually accelerated, so that the stability of the product is enhanced; the switch 37 may also be controlled to operate using the handset APP by adding a control component.

Furthermore, the annular arrangement of the magnetic poles is a mode that the magnet blocks are arranged in sequence; other ways can be realized, most commonly, one annular medium is magnetized, and axial multi-stage magnetization can be realized. Likewise, there are an even number of poles, NS is cross-cycled. It should be noted that if the instantaneous rotation speed of the motor reaches the maximum, the two magnetic poles are immediately decoupled, the driving magnetic pole rotates, and the driven magnetic pole does not rotate, so the soft start is required. In order to solve the problem, gradual acceleration, namely soft start, can be realized by slowly increasing the duty ratio, so that the driving and driven magnetic poles are always in a coupling state, and the driving and driven magnetic poles at the initial stage of rotation are prevented from being separated. The rotation process is gradually accelerated, so that the stability of the product is enhanced;

in an alternative embodiment, a power supply unit 38 is disposed in the main unit 31, the power supply unit 38 is fixedly connected to the bottom plate of the main unit housing 311, and the power supply unit 38 is electrically connected to the motor 312.

The power supply unit 38 is composed of a battery compartment and dry batteries that can be placed in the battery compartment, and a battery cover that can be taken out and replaced is provided on the outer side surface of the battery compartment. This kind of power supply mode has improved greatly the utility model discloses a portable degree and service position need not to look for supply socket and can use convenient and fast.

Secondly, the power supply part 38 can select a circuit board and a charging port to match with a rechargeable lithium battery, and the rechargeable lithium battery is charged in an external commercial power mode to provide energy and meet the requirements of different users.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. A magnetic double-control stirring machine is characterized by comprising: the cup comprises a cup body, a cup cover and a stirring device arranged in the cup cover;

2. The magnetic double control mixer of claim 1 including: an IC chip matched with the coil is arranged on the inner side of the cup cover; the IC chip and the coil act together to send out a signal with a specific frequency.

3. The magnetic dual control blender of claim 1 wherein the coil is an ID coil or an NFC coil.

4. The magnetic dual control blender of claim 1 wherein the blending assembly comprises a main frame, a blade assembly and a sound enclosure, wherein:

5. The magnetic double control mixer of claim 4 wherein: the main machine also comprises a main machine shell and a driving shaft; the lower end of the driving shaft is fixedly connected with the upper end of the motor, and the upper end of the driving shaft is fixedly connected with the lower end of the driving magnetic assembly; the motor is fixedly connected in the host shell, and the sound-proof housing is sleeved on the outer side of the motor and fixedly connected with the bottom plate of the host shell.

6. The magnetic double control mixer of claim 5 wherein: the blade assembly comprises a blade assembly shell, a blade and a driven shaft, and the upper end of the driven shaft is fixedly connected with the lower end of the blade;

7. The magnetic double control mixer of claim 6 wherein: the initiative magnetic force component comprises an initiative magnetic pole and an initiative magnetic pole fixing disc, the upper end of the driving shaft is fixedly connected to the initiative magnetic pole fixing disc, the initiative magnetic pole fixing disc is a torus, the initiative magnetic pole fixing disc is a non-magnetic conductive material, a first groove is formed in the top surface of the torus, the first groove is in a circular ring shape, and the initiative magnetic pole is fixedly arranged in the first groove.

8. The magnetic double control mixer of claim 7 wherein: driven magnetic force component includes driven magnetic pole and driven magnetic pole fixed disk, driven shaft lower extreme fixed connection be in on the driven magnetic pole fixed disk, the driven magnetic pole fixed disk is a tourus, the driven magnetic pole fixed disk is non-magnetic conductive material, the second recess has been seted up to the tourus bottom surface, the second recess is the ring form, driven magnetic pole is fixed to be set up in the second recess.

9. The magnetic double control mixer of claim 8 wherein: when the blade assembly is placed at the upper end of the main machine, the bottom plate of the blade assembly shell is in contact with the top plate of the main machine shell, and the overlapped areas of the bottom plate of the blade assembly shell and the top plate of the main machine shell are combined to form the isolation layer.

10. The magnetic double control mixer of claim 9 wherein: the number of the active magnetic poles is even, the number of N poles and the number of S poles in the active magnetic poles respectively account for half of the total number of the active magnetic poles, the active magnetic poles are annularly distributed in the first groove in a mode of crossing NS poles, and the magnetizing direction of the active magnetic poles is axial; the number of the driven magnetic poles is even, the number of N poles and the number of S poles in the driven magnetic poles respectively account for half of the total number of the driving magnetic poles, the driven magnetic poles are annularly distributed in the second groove in a mode of crossing NS poles, and the magnetizing direction of the driven magnetic poles is axial; the driving magnetic pole can be in magnetic coupling connection with the driven magnetic pole through the isolation layer, and the driving magnetic pole fixing disc can drive the driven magnetic pole fixing disc to rotate when in operation;

or, the magnetic poles are formed in a mode of magnetizing the annular medium to form even number of magnetic poles with NS crossing circulation; when starting, the gradual acceleration is realized through the gradual increase of the duty ratio, namely soft start, so that the driving magnetic pole and the driven magnetic pole are always in a coupled state, and the driving magnetic pole and the driven magnetic pole at the initial rotation stage are prevented from being separated; the rotation process is gradually accelerated, and the stability is enhanced.