CN206462892U - Food cooking machine - Google Patents

Abstract

The utility model discloses a kind of food cooking machine, it includes main frame and the stirring cup assembly being arranged on the main frame, the stirring cup assembly is included in the blade assembly of jar and part in the jar, the main frame provided with the motor for driving the blade assembly.Magnetic conductive disk is provided with below the jar, the main frame is provided with coil panel, the coil panel is located at the lower section of the magnetic conductive disk, the coil panel includes PCB substrate, is arranged at the coil and magnetic stripe of the PCB substrate and is opened in the heat emission hole of PCB substrate, and projection of the coil in the PCB substrate is separated with the heat emission hole.The food cooking machine of the utility model embodiment has the advantages that the efficiency of heating surface is high, heating region is uniform, radiating efficiency is high and performance safety is reliable.

Description

Food cooking machine

Technical field

The utility model is related to food processing technology field, more particularly to a kind of food cooking machine.

Background technology

The mode of heating of existing food cooking machine is usually heat-generating pipe heating, that is, being powered passes through the resistance wire in heat-generating pipe Electric current and produce heat.This mode of heating have the shortcomings that it is more, such as：Thermal loss is big, and the heat time is long, is also easy to produce heating Region is uneven, and because heat is concentrated on heat-generating pipe, radiating efficiency is poor, easily produces and is sticking phenomenon, and causes food cooking Machine is difficult to clean and poor safety performance.

Utility model content

The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality It is to provide a kind of food cooking machine with a new purpose, it is intended to which in making, the efficiency of heating surface of food cooking machine is high, heating zone Domain is uniform, radiating efficiency is high and performance safety is reliable.

To achieve the above object, the utility model proposes food cooking machine, including main frame and be arranged on the main frame Stirring cup assembly, the stirring cup assembly include jar and part be located at the jar in blade assembly, the master Provided with the motor for driving the blade assembly in machine；Magnetic conductive disk is provided with below the jar, the main frame sets wired Disk is enclosed, the coil panel is located at the lower section of the magnetic conductive disk, and is oppositely arranged with the magnetic conductive disk.The coil panel includes PCB Substrate, the coil and magnetic stripe and the heat emission hole for being opened in PCB substrate for being arranged at the PCB substrates, the coil is in the PCB Projection on substrate is separated with the heat emission hole.

Further, the coil panel includes multiple PCB substrates and multiple coils, the multiple PCB substrate and described many Individual coil is stacked alternatively up and down, and the projection of the multiple coil in the horizontal plane is overlapping, is all provided with each PCB substrate Heat emission hole is stated, the projection of the multiple heat emission hole in the horizontal plane is overlapping, the projection in the horizontal plane of the multiple coil and institute State multiple heat emission hole separation.

Further, the coil is multiturn, and disk is located in the PCB substrate in the shape of a spiral, every two two adjacent circle institutes Stating has interval region between coil, and the heat emission hole is located at the interval region.

Further, the PCB substrate is provided with multiple heat emission holes, and each heat emission hole is along place PCB bases The arcuate socket of the circumferentially extending of plate, the multiple heat emission hole be arranged in the center of circle of place PCB substrate be arranged concentrically it is multiple dissipate Hot ring group.

Further, each radiating ring group is by the multiple described scattered of the circumferential spaced set along place PCB substrate Hot hole is constituted, and the quantity for the heat emission hole that each radiating ring group is included is identical, equal length.

Further, the length of the heat emission hole of the multiple radiating ring group is outwards gradually increased by the center of circle of place PCB substrate Greatly.

Further, the magnetic stripe of magnetic pole hole sum is further provided with the PCB substrate, the magnetic stripe has magnetic pole, described Magnetic pole is arranged in the magnetic pole hole.

Further, the coil is located between the center of the PCB substrate and outer peripheral edge, and the magnetic pole hole is formed At the center and/or outer peripheral edge of the PCB substrate.

Further, the main frame also includes the clutch being fixedly connected with the motor transmission shaft end；

The blade assembly includes tool rest, cutter shaft and the blade being connected with cutter shaft, and the blade is contained in the jar；

The coil panel and the magnetic conductive disk are each formed with via, the other end of the cutter shaft pass through after the via with institute Clutch connection is stated, the tool rest is fixed in the via of the magnetic conductive disk, one is formed in the tool rest and is passed through for the cutter shaft Holding tank.

Further, a diameter of 10~40mm of the holding tank.

Further, a diameter of 15~45mm of the via.

Further, a diameter of 5~15mm of the cutter shaft, the length of the cutter shaft is 25~65mm.

Further, the main frame also includes the shell for housing the motor, and the fixed mount outside the shell is described Coil panel is fixedly arranged in the fixed mount；The height of the fixed mount is more than 0, less than or equal to 40mm.

The technical solution of the utility model, is oppositely arranged by the setting coil panel in food cooking machine and with coil panel Magnetic conductive disk, can be achieved the Electromagnetic Heating function of food cooking machine, complete to heat the food being contained in jar Process.Also, such mode of heating, fully, substantially without scattering and disappearing, heating region is uniform, thermal starting is very fast for Btu utilization, The thermal efficiency is up to more than 90%, is greatly improved the efficiency of heating surface of food cooking machine.

In addition, coil and magnetic stripe that coil panel of the present utility model has PCB substrate, is arranged in PCB substrate, by Heat emission hole is set in PCB substrate, and position of the heat emission hole with coil in PCB substrate is staggered, and can bypass air through heat emission hole online The internal circulation of disk is enclosed, so that the heat produced by taking away coil, to be radiated to coil, so as to significantly reduce coil panel Temperature when using, and then improve the efficiency of heating surface of food cooking machine.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.

Fig. 1 is the schematic cross-sectional view of the embodiment of the utility model food cooking machine one.

Fig. 2 is the explosive view of food cooking machine shown in Fig. 1.

Fig. 3 is the dimensional structure diagram of the embodiment of coil panel one of the utility model food cooking machine.

Fig. 4 is the partial structural diagram of coil panel shown in Fig. 3.

Fig. 5 is the planar structure schematic diagram of coil panel shown in Fig. 3.

Drawing reference numeral explanation：

Label	Title	Label	Title
				100	Food cooking machine	18	Motor
10	Main frame	19	Wiring board
				11	Coil panel	30	Stir cup assembly
111	PCB substrate	31	Stir cup base
				112	Mounting ear	33	Jar
113	Coil	35	Blade assembly
				115	Heat emission hole	351	Blade
117	Magnetic pole hole	353	Cutter shaft
				12	Fixed mount	355	Tool rest
13	Case ring	3551	Holding tank
				15	Beam	37	Magnetic conductive disk
17	Clutch

Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of the utility model protection.

It is to be appreciated that institute is directional in the utility model embodiment indicates (such as up, down, left, right, before and after ...) Relative position relation, motion conditions for being only used for explaining under a certain particular pose (as shown in drawings) between each part etc., such as When really the particular pose changes, then directionality indicates also correspondingly therewith to change.

In addition, the description for being related to " first ", " second " etc. in the utility model is only used for describing purpose, without being understood that To indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", At least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the technical side between each embodiment Case can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when the combination of technical scheme It will be understood that the combination of this technical scheme is not present when appearance is conflicting or can not realize, also not in the utility model requirement Protection domain within.

Reference picture 1-5, the utility model proposes a kind of food cooking machine 100.

Fig. 1 and Fig. 3 are refer to, in the embodiment of the utility model one, the food cooking machine 100 includes main frame 10 and set It is placed in the stirring cup assembly 30 of main frame 10.Stirring cup assembly 30 includes the set of blades of jar 33 and part in jar 33 Provided with the motor 18 for driving the blade assembly 35 in part 35, main frame 10.The lower section of jar 33 is provided with magnetic conductive disk 37, main frame 10 are provided with the coil panel 11 being oppositely arranged with magnetic conductive disk 37, and coil panel 11 is located at the lower section of magnetic conductive disk 37.Coil panel 11 is wrapped Include PCB (Printed Circuit Board, PCB) substrate 111 (ginseng Fig. 3), be arranged at the coil 113 and magnetic of PCB substrate 111 Bar (not shown) and the heat emission hole 115 for being opened in PCB substrate 111, projection and heat emission hole of the coil 113 in PCB substrate 111 115 separation.

The substantially disc-shaped structure of coil panel 11.

The technical solution of the utility model, by food cooking machine 100 set coil panel 11 and with the phase of coil panel 11 To the magnetic conductive disk 37 of setting, the Electromagnetic Heating function of food cooking machine 100 can be achieved, the food to being contained in jar 33 is completed The process that thing is heated.Also, such mode of heating, fully, substantially without scattering and disappearing, heating region is equal for Btu utilization Even, thermal starting is very fast, and the thermal efficiency is up to more than 90%, is greatly improved the efficiency of heating surface of food cooking machine 100.

Further, according to the coil panel 11 of the utility model embodiment, by setting heat emission hole in PCB substrate 111 115, position of the heat emission hole 115 with coil 113 in PCB substrate 111 is staggered, and can bypass air through heat emission hole 115 in coil panel 11 internal circulation, so that the heat produced by coil 113 is taken away, to be radiated to coil 113, so as to significantly reduce line Temperature when circle disk 11 is used.Therefore, have using the food cooking machine 100 of the coil panel 11 and heat fast, good heat dissipation effect, peace The advantages of performance is high entirely.And there is the uniform advantage of heating region using the mode of heating of coil panel 11, in coil panel 11 When radiating efficiency is high, food cooking machine 100 is not in be sticking phenomenon.Further, the present embodiment is by the diameter of coil panel 11 100mm~150mm is set to, can Electromagnetic Heating function that is more reasonable and more efficiently realizing food cooking machine 100.

In the present embodiment, coil panel 11 includes multiple PCB substrates 111 and multiple coils 113, multiple Hes of PCB substrates 111 Multiple coils 113 are stacked alternatively up and down, and the projection of multiple coils 113 in the horizontal plane is overlapping, in each PCB substrate 111 Heat emission hole 115 is equipped with, the projection of multiple heat emission holes 115 in the horizontal plane is overlapping, the projection of multiple coils 113 in the horizontal plane Separated with multiple heat emission holes 115.

The coil panel 11 of the utility model embodiment includes the PCB substrate 111 and coil 113 of multiple alternately laminated settings, It is possible thereby to the inductance value of coil panel 11 be improved, so as to improve the efficiency of heating surface of coil panel 11.Further, multiple coils 113 Projection in the horizontal plane is separated with multiple heat emission holes 115 so that coil panel 11 also has while with the high efficiency of heating surface Good radiating effect.

Specifically, when making coil panel 11, first coil 113 can be overlayed in PCB substrate 111, in each PCB substrate Same position on 111 opens up heat emission hole 115, then multiple coils 113 and multiple PCB substrates 111 is pressed, so as to make Obtain the coil panel 11.

Coil 113 is multiturn, and disk is located in PCB substrate 111 in the shape of a spiral, is had between every two two adjacent circle coils 113 There is interval region (not indicating), heat emission hole 115 is located at interval region.

The heat emission hole 115 of the utility model embodiment is located at interval region, so as to make full use of the sky in PCB substrate 111 Between.Stagger the position of coil 113 and heat emission hole 115, it is ensured that coil panel 11 has preferably radiating effect.

111 are provided with multiple heat emission holes 115 in PCB substrate, and each heat emission hole 115 is to prolong along the circumference of place PCB substrate 111 The arcuate socket stretched, multiple heat emission holes 115 are arranged in the multiple radiating ring groups being arranged concentrically with the center of circle of place PCB substrate 111 (not Sign).

Each radiating ring group of the utility model embodiment can be located at corresponding two coils 113 being disposed adjacent it Between, so as to form multiple air circulation loops (not indicating) in coil panel 11 so that more air enter in coil panel 11 Portion is to take away more heats, so as to the further temperature of reduction coil 113 when in use.

Each radiating ring group is made up of multiple heat emission holes 115 of the circumferential spaced set along PCB substrate 111.Namely Say, multiple heat emission holes 115 can be set along the circumference and spaced radial of PCB substrate 111 respectively.

Circumference and spaced radial of the utility model embodiment along PCB substrate 111 set multiple heat emission holes 115, Ke Yijin One step improves radiating effect of the heat emission hole 115 to coil 113.

Fig. 4-5 are further regarded to, the quantity for the heat emission hole 115 that each radiating ring group is included is identical, equal length.At this In the preferred embodiment of utility model one, each radiating ring group can include the heat emission hole 115 of multiple equal lengths.

The quantity of heat emission hole 115 in each radiating ring group of the utility model embodiment is identical, equal length, both can be with Ensure that heat emission hole 115, again can be in order to the processing of multiple heat emission holes 115, so that PCB substrate to the radiating effect of coil 113 111 manufacture more facilitates.

Further, the length of the heat emission hole 115 of multiple radiating ring groups is outside gradually by the center of circle of place PCB substrate 111 Increase.In other words, the length for the heat emission hole 115 that the radiating ring group positioned at the outside of PCB substrate 111 is included can be more than and be located at The length for the heat emission hole 115 that the radiating ring group of the inner side of PCB substrate 111 is included.

The length of the heat emission hole 115 of multiple radiating ring groups of the utility model embodiment by place PCB substrate 111 circle The heart outwards gradually increases so that in the case of the quantity identical for the heat emission hole 115 that each radiating ring group is included, improve multiple dissipate The uniformity that hot ring group radiates to coil 113, it is ensured that the air band that the heat of the various pieces of coil 113 can be circulated Walk.

In a specific example of the present utility model, PCB substrate 111 can be glass mat, and coil 113 can be copper Paper tinsel.

The outer peripheral edge of each PCB substrate 111 is provided with mounting ear 112, and the mounting ear 112 of multiple PCB substrates 111 is in upper and lower Upward position correspondence.Thus coil panel 11 is arranged in food cooking machine 100 using multiple mounting ears 112.

The position correspondence of multiple mounting ears 112 of the present utility model in the vertical direction so that the installation of coil panel 11 is more Plus conveniently, it is firm.

Magnetic pole hole 117 is further provided with PCB substrate 111, magnetic stripe has magnetic pole (not shown), and magnetic pole is arranged at magnetic pole hole In 117.

Magnetic pole is arranged in magnetic pole hole 117 by the utility model, so that magnetic stripe is connected with PCB substrate 111.

Coil 113 is located between the center of PCB substrate 111 and outer peripheral edge, and magnetic pole hole 117 is formed in PCB substrate 111 Center and/or outer peripheral edge at.

Preferably, magnetic stripe can mode be fixed on coil panel 11 by the way that glue is solid etc..Specifically, magnetic stripe can pass through fixing glue It is bonded in PCB substrate 111, it is possible thereby to improve the stability of magnetic stripe.

Coil 113 of the present utility model is located between the center of PCB substrate 111 and outer peripheral edge, and magnetic pole hole 117 is formed At the center and/or outer peripheral edge of PCB substrate 111, so as to avoid magnetic pole from being contacted with coil 113.

Incorporated by reference to reference picture 1 and Fig. 2, main frame 10 also include be fixedly connected with the end of motor transmission shaft (not indicating) from Clutch 17；Blade assembly 35 includes tool rest 355, cutter shaft 353 and the blade 351 being connected with the one end of cutter shaft 353, and blade 351 is accommodated In in jar 33；Coil panel 11 and magnetic conductive disk 37 are each formed with via (not indicating), and the other end of cutter shaft 353 is passed through after via It is connected with clutch 17, tool rest 355 is fixed in the via of magnetic conductive disk 37, an appearance passed through for cutter shaft 353 is formed in tool rest 355 Receive groove 3551.

It is connected after holding tank 3551 that cutter shaft 353 of the present utility model is passed through, via with clutch 17 so that cutter shaft 353 It can be connected by clutch 17 with motor 18, motor 18 is rotated by clutch 17 with movable arbor 353 and blade 351.

A diameter of 10~40mm of holding tank 3551, more preferably preferably 20~30mm, 25mm.

Specifically, oil sealing and bearing are also disposed in holding tank 3532, and cutter shaft 353 passes through oil sealing, bearing, holding tank 3551 And via, it is connected with clutch 17.

It should be understood that the size of holding tank 3551 can be set according to the actual requirements.

Further, technical solutions of the utility model set holding tank 3551 in tool rest 355, holding tank 3551 it is straight Footpath is set to 10~40mm so that oil sealing, bearing and cutter shaft 353 can be contained in holding tank 3551, with protect oil sealing, bearing and Cutter shaft 353.

A diameter of 15~45mm of the via of coil panel 11 and magnetic conductive disk 37, preferably 20~35mm.

It should be understood that the size of via can be set according to the actual requirements.

Specifically, tool rest 355, the oil sealing and bearing and cutter shaft 353 that are contained in tool rest 355 are partially accommodated in via, knife Axle 353 passes through via, is connected with clutch.

The diameter of the coil panel 11 of technical solutions of the utility model and the via of magnetic conductive disk 37 is set to 15~45mm, knife Seat 355 is contained in via, is connected by tool rest fixing nut with magnetic conductive disk 37.Further, be contained in tool rest 355 oil sealing and Bearing and cutter shaft 353 can be contained in via and be connected with magnetic conductive disk 37.Meanwhile, when motor 18, blade 351 and the rotation of cutter shaft 353, Vibration can be produced, tool rest 355, the oil sealing and bearing and cutter shaft 353 that are contained in tool rest 355 via is partially accommodated in, with leading Disk 37 is connected, and can prevent tool rest 355, oil sealing and bearing and cutter shaft 353 from being shaken by the influence of the vibration.

A diameter of 5~15mm of cutter shaft 353, preferably 6~12mm, the length of cutter shaft 353 is 25~65mm, is preferably 30~55mm.

The diameter of the cutter shaft 353 of technical solutions of the utility model is set to 5~15mm, and the length of cutter shaft 353 is set to 25 There is~65mm, cutter shaft 353 enough length to be connected with clutch so that cutter shaft 353 and the blade 351 being connected with cutter shaft 353 It can be electrically connected by clutch and clutch with motor 18.Further, cutter shaft 353 has appropriate diameter, and motor 18 drives When cutter shaft 353 is rotated, cutter shaft 353 is not in the phenomenon such as to rock.

With further reference to Fig. 1 and Fig. 2, stirring cup assembly 30 further comprises stirring cup base 31.Jar 33 is set In stirring cup base 31.Blade assembly 35 also includes oil sealing (not indicating) and bearing (not indicating).Blade 351, which is partially accommodated in, to be stirred Mix in cup 33.

Stir the substantially barrel-like structure of cup base 31.Magnetic conductive disk 37 and coil panel 11 can be contained in stirring cup base 31 In, blade assembly 35 is partially accommodated in stirring cup base 31.Stirring cup base 31 can be positioned on main frame 10.

Magnetic conductive disk 37 is stainless steel disc.Coil panel 11 is oppositely arranged with magnetic conductive disk 37.Preferably, coil panel 11 is located at magnetic conduction The lower section of disk 37.

When the coil panel 11 of technical solutions of the utility model works, the alternating magnetic field of change at a high speed is produced, when in magnetic field When the magnetic line of force is by magnetic conductive disk 37, the fast heating of magnetic conductive disk 37 so that 100 pairs of accommodating food materials in the inner of food cooking machine enter Row heating.Blade assembly 35 is connected after passing through the via of magnetic conductive disk 37 and coil panel 11 with clutch 17.

The main frame 10 also include house motor 18 shell (not indicating), be arranged on the shell case ring 13, The clutch being connected with the fixed mount 12 being arranged at outside shell, the beam 15 on the case ring 13, with blade assembly 35 Device 17, the motor 18 being connected with clutch 17 and the wiring board 19 electrically connected with motor 18.

Coil panel 11 is fixedly arranged in fixed mount 12, and the height of fixed mount 12 is more than 0, less than or equal to 40mm.

Main frame 10 is also formed with accommodating cavity (not indicating), and the part such as motor 18, wiring board 19 is contained in accommodating cavity.

Motor 18 is connected by clutch 17 with blade assembly 35.Coil panel 11 is electrically connected with wiring board 19.

Specifically, clutch 17 includes upper clutch (not indicating) and the lower clutch being connected with motor 18, lower clutch It is connected with upper clutch.Upper clutch sleeve is located at the one end of cutter shaft 353 away from blade 351, and lower clutch sleeve is located at motor 18 Output shaft (is not indicated).Motor 18 drives cutter shaft 353 and blade 351 to rotate by upper clutch with lower clutch, with to food Beaten.

Beam 15 offers holding tank, and the output shaft of lower clutch and motor is partially accommodated in holding tank, to subtract The vibration produced when small machine 18, cutter shaft 353 and the work of blade 351.

Technical solutions of the utility model on shell by setting case ring 13, so that food cooking machine 100 is more beautiful See.By upper clutch sleeve be located at the one end of cutter shaft 353 away from blade 351, lower clutch sleeve be located at upper clutch, lower clutch with Motor 18 is connected, and motor 18 drives cutter shaft 353 to be rotated with blade 351 by upper clutch with lower clutch.Lower clutch and electricity The output shaft of machine 18 is partially accommodated in the holding tank of beam 15, is worked with reducing motor 18, cutter shaft 353 and blade 351 When the vibration that produces.

Further, the fixed mount 12 of the size can make the apparent size of food cooking machine 100 moderate, can make coil panel 11 be contained in.And coil panel 11 has appropriately distance with motor 18 and power panel 19, facilitates winding displacement.Simultaneously as fixed mount 12 have appropriate height, and the heat that coil panel 11 is produced when working also can carry out heat exchange with the inner air of fixed mount 12, So that the coil panel 11 being contained in inside fixed mount 12 has preferably radiating effect.

Food cooking machine 100 can be broken wall cooking machine, mixer or soy bean milk making machine etc..The broken wall cooking machine, which can be gathered, squeezes the juice The product functions such as machine, soy bean milk making machine, Ice-cream machine, cooking machine, grinder, can break up food cells wall moment, discharge plant biochemistry Element.

Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, It is every under inventive concept of the present utility model, the equivalent structure made using the utility model specification and accompanying drawing content is become Change, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.

Claims (13)

1. a kind of food cooking machine, including main frame and the stirring cup assembly being arranged on the main frame, the stirring cup assembly bag Include in the blade assembly of jar and part in the jar, the main frame provided with the electricity for driving the blade assembly Machine, it is characterised in that magnetic conductive disk is provided with below the jar, the main frame is provided with coil panel, and the coil panel is set It is oppositely arranged in the lower section of the magnetic conductive disk, and with the magnetic conductive disk, the coil panel includes PCB substrate, is arranged at the PCB The coil and magnetic stripe of substrate and the heat emission hole for being opened in PCB substrate, projection of the coil in the PCB substrate with it is described Heat emission hole is separated.

2. food cooking machine as claimed in claim 1, it is characterised in that the coil panel includes multiple PCB substrates and multiple Coil, the multiple PCB substrate and the multiple coil are stacked alternatively up and down, the throwing of the multiple coil in the horizontal plane Shadow is overlapping, and the heat emission hole is equipped with each PCB substrate, and the projection of the multiple heat emission hole in the horizontal plane is overlapping, described The projection of multiple coils in the horizontal plane is separated with the multiple heat emission hole.

3. food cooking machine as claimed in claim 1, it is characterised in that the coil is multiturn, disk is located at institute in the shape of a spiral State in PCB substrate, there is interval region between coil described in every two two adjacent circles, the heat emission hole is located at the spacer region Domain.

4. food cooking machine as claimed in claim 1, it is characterised in that the PCB substrate is provided with multiple heat emission holes, Each heat emission hole is the arcuate socket along the circumferentially extending of place PCB substrate, and the multiple heat emission hole is arranged in place PCB Multiple radiating ring groups that the center of circle of substrate is arranged concentrically.

5. food cooking machine as claimed in claim 4, it is characterised in that each radiating ring group is by along place PCB substrate Multiple heat emission holes of circumferential spaced set constitute, the quantity phase for the heat emission hole that each radiating ring group is included Together, equal length.

6. food cooking machine as claimed in claim 5, it is characterised in that the length of the heat emission hole of the multiple radiating ring group by The center of circle of place PCB substrate outwards gradually increases.

7. food cooking machine as claimed in claim 1, it is characterised in that magnetic pole hole, institute are further provided with the PCB substrate Stating magnetic stripe has magnetic pole, and the magnetic pole is arranged in the magnetic pole hole.

8. food cooking machine as claimed in claim 7, it is characterised in that the coil is located at the center of the PCB substrate Between outer peripheral edge, the magnetic pole hole is formed at the center and/or outer peripheral edge of the PCB substrate.

9. food cooking machine as claimed in claim 1, it is characterised in that the main frame also includes and motor transmission shaft end Hold the clutch being fixedly connected；The blade assembly includes tool rest, cutter shaft and the blade being connected with cutter shaft one end, and the blade is accommodated In in the jar；The coil panel and the magnetic conductive disk are each formed with via, and the other end of the cutter shaft passes through the mistake Clutch described in Kong Houyu is connected, and the tool rest is fixed in the via of the magnetic conductive disk, and one is formed in the tool rest for described The holding tank that cutter shaft is passed through.

10. food cooking machine as claimed in claim 9, it is characterised in that a diameter of 10~40mm of the holding tank.

11. food cooking machine as claimed in claim 9, it is characterised in that a diameter of 15~45mm of the via.

12. food cooking machine as claimed in claim 9, it is characterised in that a diameter of 5~15mm of the cutter shaft, the knife The length of axle is 25~65mm.

13. food cooking machine as claimed in claim 9, it is characterised in that the main frame also includes housing the outer of the motor Shell, the fixed mount outside the shell, the coil panel is fixedly arranged in the fixed mount；The height of the fixed mount be more than 0, Less than or equal to 40mm.