CN213028602U - Heating unit, electromagnetic heating assembly and electromagnetic cooking utensil - Google Patents

Abstract

An embodiment of the utility model provides a heating element, electromagnetic heating subassembly and electromagnetic cooking utensil. The heating unit comprises a first heating part and a second heating part, the first heating part extends from the center to the periphery, and the first heating part is provided with a first side and a second side which are deviated from each other along the thickness direction; the second heating part is connected with the outer edge of the first heating part, the second heating part is provided with a first end part and a second end part which are deviated from each other, and the first end part extends towards the first side of the first heating part in a bending mode. Be applied to electromagnetic heating assembly with this heating element, the regional heating in pot body bottom center is realized to the first heating portion of usable extension to the heating of pot body border position is realized to the second heating portion of usable extension of buckling, thereby makes the pot body obtain the even heating, has increased the heating region of the pot body, and then has improved heating efficiency.

Description

Heating unit, electromagnetic heating assembly and electromagnetic cooking utensil

Technical Field

The embodiment of the utility model relates to a culinary art technical field particularly, relates to a heating element, an electromagnetic heating subassembly and an electromagnetic cooking utensil.

Background

In the related art, the IH (induction Heating) coil panels used in the pan, the all-concave IH rice cooker, and the frying pan mostly adopt a concentric winding structure.

When a concentric circle winding structure is adopted, the magnetic field intensity of the inner ring of the coil panel is about two times higher than that of the outer ring of the coil panel. Because the intensity of the magnetic field determines the 'firepower' of the cooking utensil, when the heating coil panel with a concentric circle winding structure is used by the cooking utensil, the heating temperature of the middle position of the pot heated by the inner ring of the coil panel is higher, and the heating temperature of the edge position of the pot heated by the outer ring of the coil panel is lower. Therefore, in the cooking process, the technical problem of uneven fire inside and outside the cooking utensil exists, namely, better fire can be obtained only at the position close to the center of the pot, while the fire is insufficient at the edge position of the pot, and the cooking effect of the IH cooking utensil is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims at solving one of the technical problem that exists among the prior art at least.

To this end, a first aspect of embodiments of the present invention provides a heating unit.

A second aspect of an embodiment of the present invention provides an electromagnetic heating assembly.

A third aspect of embodiments of the present invention provides an electromagnetic cooking appliance.

In view of this, according to a first aspect of embodiments of the present invention, there is provided a heating unit including a first heating part and a second heating part, the first heating part extending from a center to a periphery, the first heating part having a first side and a second side facing away from each other in a thickness direction; the second heating part is connected with the outer edge of the first heating part, the second heating part is provided with a first end part and a second end part which are deviated from each other, and the first end part extends towards the first side of the first heating part in a bending mode.

The embodiment of the utility model provides a heating unit, include from the center to the first heating portion that extends all around to and the second heating portion that the first lateral buckling of one end orientation first heating portion extends. Be applied to electromagnetic heating assembly with this heating element, the regional heating in pot body bottom center is realized to the first heating portion of usable extension to the heating of pot body border position is realized to the second heating portion of usable extension of buckling, thereby makes the pot body obtain the even heating, has increased the heating region of the pot body, and then has improved heating efficiency. In addition, when being applied to the electromagnetic heating subassembly, still can increase the quantity of heating unit to correspond the different positions of heating pot body edge along pot body circumference, can make the pot body heating more even through the heating point that increases the pot body. At the moment, each heating unit can heat the central area of the bottom of the pot body, so that the heating units can provide firepower for the bottom of the pot body, the central part of the pot body can obtain enough firepower, and the cooking effect is ensured. Specifically, the heating unit is an electromagnetic heating element and can generate an alternating magnetic field, and under the action of the alternating magnetic field, the magnetic pot body can generate heat, so that cooking is realized.

In addition, according to the utility model discloses above-mentioned technical scheme provides a heating unit still has following additional technical characteristics:

in one possible design, the width of the first end portion is greater than the width of the second end portion.

In this design, the width of the first end portion that specifically makes the bending extend is greater than the width of the second end portion that does not buckle, that is to say, makes the side width that heating unit corresponds to pot body edge bigger to it is bigger that the region that heating unit corresponds to pot body edge is bigger to realize, and then makes the heating region at pot body edge suitably increase, in order to promote the heating strength at pot body edge.

In one possible design, the width of the second heating part gradually decreases from the first end part to the second end part.

In this design, under the prerequisite of the aforementioned width relation of first heating portion and second heating portion, specifically make heating unit's width gradual change, can make heating unit's overall structure uniform variation for the heating strength that different positions produced also uniform variation helps further to ensure that the pot body heating is even, promotes the culinary art effect.

In one possible design, the heating unit further comprises: and a third heating part connected to the first end part, the third heating part extending toward the first side of the first heating part.

In this design, it still includes the third heating portion that is connected with the first end of second heating portion to have further limited heating unit, and the extension state of first end can be continued to the third heating portion, continues to extend to the first side of first heating portion to realize the heating of pot body lateral wall, help increasing the heating region of the pot body, further ensure that the pot body heats evenly, promote the culinary art effect.

In one possible design, the heating unit comprises a heating coil and a coil support, the heating coil being arranged on the coil support.

In this design, the heating unit includes a heating coil and a coil support. The coil support can be connected with the mounting structure taking the disc seat as an example, the heating coil is fixed by arranging the heating coil on the coil support, and the heating coil is prevented from being separated from the mounting structure or falling off from the mounting structure to influence the heating effect. In addition, for the condition that need dispose two at least heating units simultaneously, for the traditional handicraft of processing out the coil cake, be more convenient for assemble heating coil to mounting structure on through the coil support, can promote production efficiency. Furthermore, by arranging the coil support, the coil support can be connected with the mounting structure, so that the heating coil is prevented from being in direct contact with the mounting structure, the connecting process difficulty of the heating unit installation is reduced, and the heating coil is prevented from being damaged when being connected with the mounting structure, and the heating effect and the safety performance are prevented from being influenced. Furthermore, the coil support can also play a protective role on the heating coil, so that the heating coil is prevented from rubbing with other parts, and the service life of the heating coil is prolonged.

In one possible design, the coil support includes a first support and a second support connected in a stacked manner, the first support and the second support form a winding space, and the winding space is used for accommodating the heating coil.

In the design, the first support and the second support which are connected in an overlapping mode are combined to form a coil support, and the stranded wires are wound in the winding space of the central area of the first support and the central area of the second support to form the heating coil, so that the heating coil is fixed, and the heating coil is prevented from falling off from the coil support.

According to the utility model discloses a second aspect of the embodiment provides an electromagnetic heating assembly, including the disk seat and the heating unit that any technical scheme provided as above-mentioned, the disk seat encloses to have the open-ended and holds the chamber, and the disk seat has and deviates from the installation side that holds the chamber, and the heating unit is located the installation side of disk seat.

The embodiment of the utility model provides an electromagnetic heating subassembly, include the heating element that provides like above-mentioned arbitrary technical scheme, therefore possess this heating element's whole beneficial effect, no longer describe herein. In addition, electromagnetic heating subassembly still includes the dish seat, can provide the support for the pot body of treating the heating, specifically can place the pot body in and hold chamber department, and the heating unit then is located the installation side of dish seat, is located dish seat bottom promptly.

In addition, according to the utility model discloses above-mentioned technical scheme provides an electromagnetic heating subassembly still has following additional technical characteristics:

in one possible design, the tray base includes a tray bottom portion, a tray transition portion and a tray side portion, the tray transition portion is connected between the tray bottom portion and the tray side portion, the first heating portion corresponds to the tray bottom portion, and the second heating portion corresponds to the tray transition portion.

In the design, the plate seat comprises a plate bottom part, a plate transition part and a plate side part which are connected in sequence and can correspond to the pot bottom part, the transition part and the pot side part of the pot body. The first heating portion that extends to all around from the center is corresponding with the dish bottom, can be corresponding to the bottom of a boiler portion, and the second heating portion that extends of buckling is corresponding with dish transition portion, can be corresponding to the transition position of the pot body to the realization produces the heating region simultaneously to the bottom of a boiler and the edge of the pot body, and then has improved electromagnetic heating assembly's heating efficiency. It will be appreciated that the electromagnetic heating assembly may also be configured with heating elements that do not correspond to the pan bottom for use in cooperation with the heating unit to suitably enhance rim heating intensity without enhancing pan bottom heating intensity.

In one possible embodiment, the number of heating units is at least two, at least two heating units are spaced apart around the central axis of the plate holder, and at least two heating units are arranged one above the other and partially overlap each other along the central axis of the plate holder.

In this design, through setting up two at least heating unit to make these heating unit around the axis interval distribution of dish seat, can correspond the different positions of heating pot body edge along pot body circumference, can make the pot body heating more even through the heating point that increases the pot body. Simultaneously, make these heating unit along the axis stack distribution of plate seat and partial overlap, can overlap whole heating unit in the regional setting that overlaps of pot bottom that the heating intensity demand is higher, partial heat can follow the low temperature district of the high temperature district flow direction pot wall of pot bottom, and then increase the temperature of pot wall, because the pot bottom is located the middle part of the pot body, and then can guarantee the even flow direction pot wall of heat of pot bottom, make each regional being heated of the pot body more balanced, avoid appearing local high temperature, influence the problem of heating effect. When the overlapped heating units work simultaneously, the heating device can provide larger firepower for the area corresponding to the overlapped heating units, so that the large firepower of the area is realized, and when the overlapped heating units work alternately, the area corresponding to the overlapped heating units can be ensured to have firepower all the time, so that the cooking effect is ensured.

In a possible design, the extending direction of the central axis of the tray is taken as the height direction, and the ratio of the height of the at least one heating unit to the height of the tray is greater than or equal to 0.5 and less than or equal to 1.

In this design, through the ratio of the height of injecing the heating element and the height of dish seat, realized providing the heating region of appropriate area for the pot wall of the pot body, and then guarantee that the heating element is when the pot body heating, the pot wall can obtain suitable heating strength, and then makes each region of the pot body be heated more evenly, improves electromagnetic heating assembly's heating effect.

According to the third aspect of the embodiment of the utility model, provide an electromagnetic cooking utensil, include the electromagnetic heating subassembly that any technical scheme provided as above, therefore possess this electromagnetic heating subassembly's whole beneficial technological effect, no longer describe herein.

In this design, the heating surface of the electromagnetic cooking appliance may be a flat surface, a concave surface, or other curved surface capable of mating with the contact surface of the heated appliance.

In addition, according to the utility model discloses above-mentioned technical scheme provides an electromagnetic cooking utensil still has following additional technical characteristics:

in one possible design, the electromagnetic cooking appliance further comprises: the pan body is partially positioned in the accommodating cavity enclosed by the pan seat.

In this design, the electromagnetic cooking appliance further comprises a pot body. The pot body is used for holding food, through setting up the pot body on the dish seat to the realization is heated the pot body through heating unit, and then accomplishes the culinary art of food.

Additional aspects and advantages in accordance with the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a schematic structural view of an electromagnetic heating assembly according to an embodiment of the present invention;

fig. 2 shows a schematic structural view of an electromagnetic heating assembly according to an embodiment of the present invention;

fig. 3 shows a schematic structural view of an electromagnetic heating assembly according to an embodiment of the present invention;

fig. 4 shows a schematic structural view of an electromagnetic heating assembly according to an embodiment of the present invention;

fig. 5 shows a top view of an electromagnetic heating assembly according to an embodiment of the invention;

fig. 6 shows an exploded view of an electromagnetic heating assembly according to an embodiment of the present invention;

fig. 7 shows a schematic structural view of a heating unit according to an embodiment of the present invention;

fig. 8 shows a schematic structural view of a heating unit according to an embodiment of the present invention;

fig. 9 shows a schematic structural view of a heating unit according to an embodiment of the present invention;

fig. 10 shows a schematic structural view of a heating unit according to an embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 10 is:

10 electromagnetic heating components, 100 coil seats, 102 coil bottoms, 104 coil sides, 106 coil transition parts, 200 heating units, 202 first heating parts, 204 second heating parts, 2042 first end parts, 2044 second end parts, 206 third heating parts, 208 coil supports, 2082 first supports and 2084 second supports.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.

A heating unit 200, an electromagnetic heating assembly 10 and an electromagnetic cooking appliance provided according to some embodiments of the present invention are described below with reference to fig. 1 to 10.

As shown in fig. 7, 9 and 10, an embodiment of the first aspect of the present invention provides a heating unit 200, including a first heating portion 202 and a second heating portion 204, where the first heating portion 202 extends from a center to a periphery, and the first heating portion 202 has a first side and a second side facing away from each other in a thickness direction; the second heating portion 204 is connected to an outer edge of the first heating portion 202, the second heating portion 204 has a first end portion 2042 and a second end portion 2044 which are away from each other, and the first end portion 2042 extends toward the first side of the first heating portion 202 in a bending manner.

The embodiment of the utility model provides a heating unit 200, include from the center to the first heating portion 202 that extends all around to and the second heating portion 204 that the first lateral buckling of one end orientation first heating portion 202 extends. Be applied to electromagnetic heating assembly 10 with this heating element 200, the regional heating in pot body bottom central area is realized to the first heating portion 202 of usable extension to the heating of pot body border position is realized to the usable second heating portion 204 of buckling extension, thereby makes the pot body obtain the even heating, has increased the heating region of the pot body, and then has improved heating efficiency. In addition, when the electromagnetic heating assembly 10 is applied, the number of the heating units 200 can be increased to correspond to different positions of the edge of the heating pot body along the circumferential direction of the pot body, and the pot body can be heated more uniformly by increasing the heating points of the pot body. At this time, each heating unit 200 can heat the central region of the bottom of the pot body, so that the heating units 200 can provide firepower for the bottom of the pot body, thereby ensuring that the central part of the pot body can obtain enough firepower and ensuring the cooking effect. Specifically, the heating unit 200 is an electromagnetic heating element, and can generate an alternating magnetic field, and under the action of the alternating magnetic field, the magnetic pot body can generate heat, so that cooking is realized. It is understood that, when heating the pot body, the pot body is positioned at a first side of the first heating part 202. Specifically, as shown in fig. 1, the first heating portion 202 may have a circular shape, but may have other shapes. The first heating part 202 may be protruded toward the first side in order to be matched with the bottom structure of the pot body. The second heating portion 204 may be connected to the entire outer edge of the first heating portion 202, and further extend to form a first end portion 2042 and a second end portion 2044.

As shown in fig. 10, in some embodiments, the first end 2042 has a width greater than the width of the second end 2044.

In this embodiment, the width of the first end portion 2042 extending by bending is greater than the width of the second end portion 2044 not extending by bending, that is, the lateral width of the heating unit 200 corresponding to the edge of the pot body is greater, so as to realize that the area of the heating unit 200 corresponding to the edge of the pot body is greater, and further increase the heating area of the edge of the pot body appropriately, so as to improve the heating strength of the edge of the pot body.

As shown in fig. 10, in some embodiments, the width of the second heating portion 204 gradually decreases from the first end portion 2042 to the second end portion 2044.

In this embodiment, on the premise of the aforementioned width relationship between the first heating portion 202 and the second heating portion 204, the width of the heating unit 200 is gradually changed, so that the overall structure of the heating unit 200 can be uniformly changed, the heating intensity generated at different positions can be uniformly changed, the pot body can be further uniformly heated, and the cooking effect can be improved.

Further, as shown in fig. 8, in this embodiment, a projection of the corresponding heating unit 200 in a plane perpendicular to the central axis of the first heating portion 202 is approximately fan-shaped, so that the heating unit 200 and the mounting structure (e.g., the tray 100 of the electromagnetic heating assembly 10) can be attached more tightly, a gap between the heating unit 200 and the mounting structure is reduced, a distance between the heating unit 200 and the pot body is further reduced, and a heating effect of the heating unit 200 is improved.

As shown in fig. 7, in some embodiments, the heating unit 200 further comprises: the third heating portion 206 is connected to the first end portion 2042, and the third heating portion 206 extends toward the first side of the first heating portion 202.

In this embodiment, it is further limited that heating unit 200 further includes a third heating portion 206 connected to first end portion 2042 of second heating portion 204, and third heating portion 206 can continue the extended state of first end portion 2042 and continue to extend to the first side of first heating portion 202, so as to heat the sidewall of the pot body, which is helpful for increasing the heating area of the pot body, further ensuring uniform heating of the pot body, and improving the cooking effect. Specifically, the width of the third heating portion 206 may also extend along the width variation rule of the second heating portion 204, and gradually increase from the end connected to the first end portion 2042 to the end away from the first end portion 2042, so that the projection of the heating unit 200 in the plane perpendicular to the central axis of the first heating portion 202 is approximately fan-shaped.

As shown in fig. 9, in some embodiments, the heating unit 200 includes a heating coil (not shown) and a coil support 208, and the heating coil is disposed on the coil support 208.

In this embodiment, the heating unit 200 includes a heating coil and a coil support 208. The coil holder 208 may be connected to a mounting structure, such as the tray 100, and the heating coil may be fixed by disposing the heating coil on the coil holder 208, so as to prevent the heating coil from being separated from the mounting structure or falling off from the mounting structure, which may affect the heating effect. In addition, in the case where at least two heating units 200 need to be simultaneously disposed, it is more convenient to assemble the heating coil to the mounting structure through the coil support 208, and the production efficiency can be improved, compared to the conventional process of processing the coil cake. Further, by arranging the coil support 208, the coil support 208 can be connected with the mounting structure, so that the heating coil is prevented from being in direct contact with the mounting structure, the difficulty of the connection process for mounting the heating unit 200 is reduced, and the heating effect and the safety performance are prevented from being influenced by the integrity of the heating coil when the heating coil is connected with the mounting structure. Further, the coil support 208 may also protect the heating coil, so as to prevent the heating coil from rubbing against other components, which may help to prolong the service life of the heating coil. It is to be understood that the first heating part 202, the second heating part 204, and the third heating part 206 are all partitions of different regions of the heating unit 200, and the heating coil and the coil support 208 are partitions of the heating unit 200 from the perspective of structural parts, i.e., the heating coil and the coil support 208 each have portions thereof corresponding to the first heating part 202 and the second heating part 204, and when the heating unit 200 includes the third heating part 206, the heating coil and the coil support 208 each have portions thereof corresponding to the third heating part 206.

As shown in fig. 9, in some embodiments, the coil support 208 includes a first support 2082 and a second support 2084 connected in a stacked manner, and the first support 2082 and the second support 2084 form a winding space for accommodating the heating coil.

In this embodiment, the first bracket 2082 and the second bracket 2084 which are connected in an overlapping manner are combined to form the coil bracket 208, and the stranded wires are wound in the winding space in the central area of the first bracket 2082 and the second bracket 2084 to form the heating coil, so that the fixing of the heating coil is realized, and the heating coil is prevented from falling off from the coil bracket 208.

Further, in this embodiment, a winding post may be disposed between the first bracket 2082 and the second bracket 2084, and the heating coil is wound along a circumferential direction of the winding post. Can be through the length that increases the wrapping post for the number of turns that heating coil can encircle along wrapping post circumference is more, and then realizes increasing heating coil's active area. Specifically, the winding posts may be located at central regions of the first and second brackets 2082 and 2084 to facilitate uniform winding of the heating coil. The winding post may be integrally formed with one of the first and second brackets 2082 and 2084 and coupled to the other of the first and second brackets 2082 and 2084.

Further, the heating unit 200 further comprises a magnetic assembly, the magnetic assembly is located on a side of the coil support 208 facing away from the tray 100, and the magnetic assembly specifically comprises a magnetic strip and a magnetic strip support. Because the magnetic stripe magnetic resistance is little, and air magnetic resistance is big, through setting up the magnetic stripe for the magnetic field receives the influence of magnetic stripe, and whole enrichments are in magnetic stripe department, thereby can play the effect that changes magnetic field intensity and magnetic field direction, improve heating efficiency. The magnetic stripe sets up on the magnetic stripe support, and the magnetic stripe support is used for fixing the magnetic stripe promptly, avoids the magnetic stripe to drop. Specifically, the magnetic assembly and the coil support 208 may be connected together by clamping, bonding, or screwing.

As shown in fig. 1, an embodiment of the second aspect of the present invention provides an electromagnetic heating assembly 10, including a tray 100 and a heating unit 200 provided in any one of the above embodiments, the tray 100 is enclosed to have an open accommodating cavity, the tray 100 has a mounting side deviating from the accommodating cavity, and the heating unit 200 is located at the mounting side of the tray 100.

The embodiment of the present invention provides an electromagnetic heating assembly 10, including the heating unit 200 provided in any of the above embodiments, and thus having all the advantages of the heating unit 200, which is not repeated herein. In addition, the electromagnetic heating assembly 10 further includes a tray 100, which can provide support for a pot to be heated, specifically, the pot can be placed in the accommodating cavity, and the heating unit 200 is located at the installation side of the tray 100, that is, at the bottom of the tray 100. Further, as shown in fig. 3, the shape of the heating unit 200 is matched with the dish seat 100, so that each part of the heating unit 200 can be tightly attached to the dish seat 100, thereby improving the heating effect of the electromagnetic heating assembly 10 on each part of the pot body, and obtaining a good cooking effect.

As shown in fig. 1 and 2, in some embodiments, tray 100 includes a tray bottom portion 102, a tray transition portion 106, and a tray side portion 104, tray transition portion 106 being connected between tray bottom portion 102 and tray side portion 104, a first heating portion 202 corresponding to tray bottom portion 102, and a second heating portion 204 corresponding to tray transition portion 106.

In this embodiment, the plate seat 100 specifically includes a plate bottom portion 102, a plate transition portion 106, and a plate side portion 104, which are connected in sequence, and may correspond to a pot bottom portion, a transition portion, and a pot side portion of a pot body. The central axis of the pot body penetrates through the bottom of the pot, one end of the side part of the pot far away from the bottom of the pot forms a pot opening of the pot body, and a transition part is connected between the bottom of the pot and the side part of the pot. When the pot body is placed in the direction that the pot opening is upward or in the direction that the pot opening is downward, the wall surface of the pot side part is approximately vertical or slightly inclined, namely, the included angle between the wall surface of the pot side part and the horizontal plane is larger, and can be more than or equal to 60 degrees, for example. Except the side part of the pan, the rest part of the pan body forms a transition part and a pan bottom, the joint of the transition part and the pan bottom is the outer edge of the pan bottom and the inner edge of the transition part, and the joint of the transition part and the side part of the pan is the outer edge of the transition part. The shape of the pot bottom and the transition part can be different according to the specific design, in some embodiments, the pot bottom is approximately horizontal and can slightly protrude towards the inner part of the pot body, the transition part is connected between the approximately vertical pot side part and the approximately horizontal pot bottom and has larger bending, and the bending degree of the pot bottom and the transition part is obviously different. In other embodiments, the pan bottom may be a curved surface with a large curvature, such as a portion of a sphere, where the curvature of the pan bottom and the transition portion are similar without significant difference. Therefore, the division of the pot bottom and the transition part can be combined with the size of the pot bottom and the transition part in the horizontal direction. The distance between the outer edge of the bottom of the pot and the central axis of the pot body is recorded as a first distance, the distance between the outer edge of the transition part and the inner edge in the horizontal direction is recorded as a second distance, the ratio of the first distance to the second distance can be 7/10-10/7, namely the first distance and the second distance are close to each other, and the first distance and the second distance are larger than or equal to the first distance so as to ensure uniform transition. The distance between the outer edge and the inner edge of the pan side in the horizontal direction is related to the inclination degree of the wall surface of the pan side and the extension length of the pan side in the vertical direction, and is not limited herein. It is understood that the tray bottom 102, the tray transition portion 106 and the tray side portion 104 correspond to the tray bottom, the transition portion and the tray side portion of the tray body, respectively, and that the tray bottom 102, the tray transition portion 106 and the tray side portion 104 correspond to the tray bottom, the transition portion and the tray side portion, respectively, in the up-down direction, that is, a projection of the tray bottom 102 in the horizontal plane falls into a projection of the tray bottom in the horizontal plane, a projection of the tray transition portion 106 in the horizontal plane falls into a projection of the transition portion in the horizontal plane, and a projection of the tray side portion 104 in the horizontal plane falls into a projection of the tray side portion in the horizontal plane.

The first heating part 202 extending from the center to the periphery corresponds to the pan bottom 102 and can correspond to the pan bottom, and the second heating part 204 extending in a bending manner corresponds to the pan transition part 106 and can correspond to the transition part of the pan body, so that heating regions are generated at the pan bottom and the edge of the pan body at the same time, and the heating efficiency of the electromagnetic heating assembly 10 is improved. It will be appreciated that the electromagnetic heating assembly 10 may also be configured with heating elements that do not correspond to the pan bottom 102 to cooperate with the heating unit 200 to appropriately enhance rim heating intensity without enhancing pan bottom heating intensity.

As shown in fig. 4, in some embodiments, the number of the heating units 200 is at least two, at least two heating units 200 are spaced around the central axis of the tray 100, and at least two heating units 200 are disposed in an overlapping manner and partially overlap along the central axis of the tray 100.

In this embodiment, by providing at least two heating units 200 and distributing the heating units 200 at intervals around the central axis of the tray 100, the edge of the pan body can be heated correspondingly at different positions along the circumferential direction of the pan body, and the pan body can be heated more uniformly by increasing the heating points of the pan body. Simultaneously, make these heating unit 200 along the axis stack distribution of plate seat 100 and partial overlapping, can overlap whole heating unit 200 in the regional setting that overlaps of pot bottom that the heating intensity demand is higher, partial heat can flow to the low temperature district of pot wall from the high temperature district of pot bottom, and then increase the temperature of pot wall, because the pot bottom is located the middle part of the pot body, and then can guarantee the even flow direction pot wall of heat of pot bottom, make each regional being heated of the pot body more balanced, avoid appearing local high temperature, influence the problem of heating effect. When the overlapped heating units 200 are operated simultaneously, the heating device can provide larger firepower for the area corresponding to the overlapped heating units 200, so that the large firepower of the area is realized, and when the overlapped heating units 200 are operated alternately, the area corresponding to the overlapped heating units 200 can be ensured to have firepower all the time, so that the cooking effect is ensured.

Further, in this embodiment, when it is required to improve the heating efficiency, the overlapped heating units 200 may be controlled to operate simultaneously, thereby providing a greater fire to the bottom of the pan.

Further, in this embodiment, when the heat preservation function needs to be provided, the overlapped heating units 200 can be controlled to work alternately, so as to ensure that the pan bottom always has firepower to provide heat.

Specifically, the electromagnetic heating assembly 10 is composed of a tray 100 and a plurality of heating units 200, wherein each heating unit 200 is composed of a heating coil, a first bracket 2082 and a second bracket 2084, and the heating units 200 are fixed at the bottom of the tray 100. The heating unit 200 can heat the pot bottom, the pot wall, and the arc portion where the pot bottom is connected to the pot wall at the same time. Through setting up two at least heating unit 200, different heating unit 200 form the independent magnetic field in space, and every heating unit 200 can enough cover the pot bottom part of the pot body, can cover the pot wall part of the pot body again, and then forms the heating region respectively with pot wall part at the pot bottom part of the pot body to can all produce the heating effect to the pot bottom part and the pot wall part of the pot body. The first bracket 2082 and the second bracket 2084 are assembled and fixed to form a winding clamp, and the heating coil is wound on the winding clamp to form the independent heating unit 200.

Specifically, at least two heating units 200 are uniformly distributed around the central axis of the tray 100, and the heating area of the pot body is uniformly distributed, so that when the heating units 200 heat the pot body, each circumferential area of the pot body is heated more uniformly, and the heating effect of the electromagnetic heating assembly 10 is further improved.

Further, in a specific embodiment, as shown in fig. 4, 5 and 6, the electromagnetic heating assembly 10 comprises a tray 100 and two heating units 200, wherein the two heating units 200 are symmetrically distributed relative to the central axis of the tray 100, the heating units 200 are in a large fan shape, the two heating units 200 are stacked up and down and partially overlapped in horizontal projection, and the large fire power required for boiling is realized in the overlapped area of the pot bottom. The two heating units 200 can ensure the uniform heating of the pot body, and the overlapped heating units 200 are fewer, so that the production cost can be reduced, and the processing difficulty of the whole electromagnetic heating assembly 10 can be reduced.

In some embodiments, the ratio of the height of the at least one heating unit 200 to the height of the tray 100 is greater than or equal to 0.5 and less than or equal to 1, taking the extending direction of the central axis of the tray 100 as the height direction.

In this embodiment, by limiting the ratio of the height of the heating unit 200 to the height of the tray 100, a heating region with a proper area is provided for the wall of the pot body, so as to ensure that the wall of the pot can obtain a proper heating strength when the heating unit 200 heats the pot body, so that each region of the pot body is heated more uniformly, and the heating effect of the electromagnetic heating assembly 10 is improved.

In a specific embodiment, when the electromagnetic heating assembly 10 is provided with not less than two heating units 200, the ratio of the height of the tray 100 to the height of at least one heating unit 200 is equal to 0.5. In this case, the electromagnetic heating assembly 10 is suitable for use in a flat-bottomed cooking appliance that heats less food.

In yet another specific embodiment, when the electromagnetic heating assembly 10 is provided with not less than two heating units 200, the ratio of the height of the tray 100 to the height of at least one heating unit 200 is equal to 1. In this case, the electromagnetic heating assembly 10 is suitable for a cooking appliance that heats a large amount of food.

In another specific embodiment, when the electromagnetic heating assembly 10 is provided with not less than two heating units 200, the ratio of the height of the tray 100 to the height of at least one heating unit 200 is greater than 0.5 and less than 1, for example, 0.7. In this case, the electromagnetic heating assembly 10 is suitable for both a cooking appliance that heats a small amount of food and a cooking appliance that heats a large amount of food.

An embodiment of the third aspect of the present invention provides an electromagnetic cooking apparatus, including the electromagnetic heating assembly 10 provided in any of the above embodiments, and thus having all the beneficial technical effects of the electromagnetic heating assembly 10, which is not described herein again.

In this embodiment, the heating surface of the electromagnetic cooking appliance may be a flat surface, a concave surface, or other curved surface capable of cooperating with the contact surface of the heated appliance.

In some embodiments, the electromagnetic cooking appliance further comprises: the pan body is partially positioned in the accommodating cavity enclosed by the plate seat 100.

In this embodiment, the electromagnetic cooking appliance further comprises a pot body. The pot body is used for containing food, and is arranged on the tray 100 to heat the pot body through the heating unit 200, so as to finish the cooking of the food. In addition, support the pot body through plate seat 100, and then for providing certain interval space between the pot body and heating element 200, can avoid the pot body direct with heating element 200 contact, and then avoid wasing behind the pot body, remain the drop of water of pot body bottom and dip heating element 200, destroy the heating coil on heating element 200, influence electromagnetic heating assembly 10's heating effect.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (12)

1. A heating unit, comprising:

the heating device comprises a first heating part, a second heating part and a heating part, wherein the first heating part extends from the center to the periphery and is provided with a first side and a second side which are deviated from each other along the thickness direction; and

the second heating part is connected with the outer edge of the first heating part, the second heating part is provided with a first end part and a second end part which are deviated from each other, and the first end part extends towards the first side of the first heating part in a bending mode.

2. The heating unit of claim 1,

the width of the first end portion is greater than the width of the second end portion.

3. The heating unit of claim 2,

the width of the second heating part is gradually reduced from the first end part to the second end part.

4. The heating unit of any one of claims 1 to 3, further comprising:

and a third heating part connected to the first end part, the third heating part extending toward the first side of the first heating part.

5. The heating unit of any one of claims 1 to 3, wherein the heating unit comprises:

a heating coil;

the coil support, heating coil sets up in the coil support.

6. The heating unit of claim 5,

the coil support includes first support and the second support that the stack links to each other, first support with the wire winding space is constructed to the second support, the wire winding space is used for the holding heating coil.

7. An electromagnetic heating assembly, comprising:

the tray seat is surrounded to form an accommodating cavity with an opening, and the tray seat is provided with a mounting side departing from the accommodating cavity; and

the heating unit of any one of claims 1 to 6, the heating unit being located on a mounting side of the tray.

8. An electromagnetic heating assembly according to claim 7,

the tray seat comprises a tray bottom portion, a tray transition portion and a tray side portion, the tray transition portion is connected between the tray bottom portion and the tray side portion, the first heating portion corresponds to the tray bottom portion, and the second heating portion corresponds to the tray transition portion.

9. An electromagnetic heating assembly according to claim 7 or 8,

the number of the heating units is at least two, the heating units are distributed at intervals around the central axis of the tray seat, and the heating units are distributed in an overlapping mode along the central axis of the tray seat and are partially overlapped.

10. An electromagnetic heating assembly according to claim 7 or 8,

and taking the extension direction of the central axis of the tray seat as the height direction, wherein the ratio of the height of at least one heating unit to the height of the tray seat is more than or equal to 0.5 and less than or equal to 1.

11. An electromagnetic cooking appliance, comprising:

an electromagnetic heating assembly as claimed in any of claims 7 to 10.

12. The electromagnetic cooking appliance of claim 11, further comprising:

the pan body is partially positioned in the accommodating cavity enclosed by the pan seat.

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