CN218603671U - Electromagnetic heating device and cooking equipment with same - Google Patents

Abstract

The utility model discloses a magnetic heating device and cooking equipment who has this electromagnetic heating device. The electromagnetic heating device comprises a wire spool, a wire winding framework and an induction coil, wherein the wire winding framework is arranged on the wire spool, the induction coil is used for performing electromagnetic heating, the wire spool is in a semi-cylindrical surface shape, the wire winding framework is provided with a plurality of groups of wire winding teeth which protrude out along the radial direction of the wire spool, and intervals are reserved between adjacent groups of wire winding teeth so as to form wire winding grooves; the induction coil is sequentially wound in the winding slot to be laid on the surface of the winding disc. The utility model discloses in, the wire winding tooth is favorable to the wire winding groove evenly to be covered with on the surface of wire winding dish along the radial setting of wire winding dish, and heating uniformity is good, is favorable to improving the quality efficiency of culinary art.

Description

Electromagnetic heating device and cooking equipment with same

Technical Field

The utility model relates to an electromagnetic heating device and cooking equipment who has this electromagnetic heating device.

Background

The cooking equipment replaces the traditional manual cooking mode through a machine mode, and realizes the high-efficiency cooking of dishes. In the cooking process, the pot is generally heated by a heating device. Electromagnetic heating is a common way of automatic cooking equipment, which uses an electromagnetic heating device to heat the materials in a pot to complete cooking.

Among the prior art, the wire reel among the electromagnetic heating device generally is plane annular design or sphere annular design, and it carries out local heating to pan bottom and the small part region that is close to bottom upper edge, however to the pan of other shapes, for example the pan of semi-cylindrical face type, above-mentioned wire reel can't realize the even heating to the pan, influences the quality and the efficiency of culinary art.

In addition, the winding teeth on the winding disc of the electromagnetic heating device in the prior art are all designed in parallel, the electromagnetic coil can be separated along the winding teeth when the electromagnetic heating device is used, the phenomenon that the electromagnetic coil is separated from the winding disc can occur after long-term use, and finally the consistency of the electromagnetic output power is changed.

Disclosure of Invention

The utility model mainly aims at providing an electromagnetic heating device that heating homogeneity is good and cooking equipment who has this electromagnetic heating device.

In order to achieve the above main object, a first aspect of the present invention provides an electromagnetic heating device, including a wire spool, a winding frame disposed on the wire spool, and an induction coil for electromagnetic heating, wherein the wire spool is of a semi-cylindrical shape, the winding frame has a plurality of winding teeth protruding in a radial direction of the wire spool, and a space exists between adjacent winding teeth to form a winding slot; the induction coil is sequentially wound in the winding slot to be laid on the surface of the winding disc.

According to the utility model discloses a concrete implementation mode, the winding skeleton have with the support plate of wire reel shape looks adaptation, the wire winding tooth sets up on the support plate, support plate and wire reel assembled connection. Preferably, the carrier plate is bonded and welded to the wire spool.

According to a specific embodiment of the present invention, at least a part of the winding teeth are provided with an anti-separation portion for preventing the induction coil from separating from the winding groove.

According to the utility model discloses a concrete implementation mode, bobbin uses the central zone of wire reel to extend to the bight of wire reel as the starting point, the central zone symmetric distribution of the relative wire reel of bobbin.

Further, the winding teeth comprise corresponding first direction winding teeth and second direction winding teeth, and the induction coil generates 90-degree rotation when passing through the first direction winding teeth and the second direction winding teeth.

Furthermore, the wire winding device further comprises a guide framework, wherein the guide framework is provided with a plurality of groups of raised guide teeth, and the guide teeth are distributed on the surface of the wire winding disc along the axial direction and/or the circumferential direction of the wire winding disc.

Preferably, the guide frame is detachably connected to the wire spool or is integrally formed with the wire spool.

According to the utility model discloses a concrete implementation mode still includes the magnetic stripe mount pad with wire reel looks adaptation, and the magnetic stripe mount pad is connected on the wire reel, and the magnetic stripe mount pad is equipped with the magnetic stripe corresponding with induction coil.

A second aspect of the utility model provides a cooking device, including the box, the box has one or more culinary art storehouses that are used for installing the cooking pot, and is equipped with as above corresponding to every culinary art storehouse in the box electromagnetic heating device, electromagnetic heating device's wire reel forms the partly of the lower storehouse body in culinary art storehouse or installs on the lower storehouse body in culinary art storehouse.

According to the utility model discloses a concrete implementation mode is equipped with one or more mounting holes on the lower storehouse body, is equipped with the temperature-detecting device who is used for detecting the cooking pot temperature in the mounting hole.

In the utility model, the shape of the wire spool is set to be a semi-cylindrical shape, which is suitable for heating cookware with the semi-cylindrical shape and can effectively increase the heating area; simultaneously, the winding teeth are arranged along the radial direction of the wire spool, the central line of each winding tooth penetrates through the central line of the cylindrical surface where the wire spool is located, on one hand, the wire winding grooves are favorably and uniformly distributed on the surface of the wire spool, the heating uniformity is good, on the other hand, the induction coil cannot be separated from the wire spool along the winding teeth in the winding process, the consistency of the electromagnetic output power is not changed in the long-term use process, and the improvement on the quality and the efficiency of cooking is favorably realized.

In further technical scheme, bobbin assembly connects on the wire reel, and the cost is favorable to practicing thrift in the wire reel of being convenient for and bobbin's modular production.

To more clearly illustrate the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the detailed description.

Drawings

Fig. 1 is an overall schematic view of an embodiment of the cooking apparatus of the present invention;

fig. 2 is a structural diagram of a cooking pot in an embodiment of the cooking apparatus of the present invention;

FIG. 3 is an assembly structure view of a cooking chamber of an embodiment of the cooking apparatus of the present invention;

fig. 4 is a structural diagram of an electromagnetic heating device in an embodiment of the cooking apparatus of the present invention;

fig. 5 is an exploded view of an electromagnetic heating device in an embodiment of the cooking apparatus of the present invention;

fig. 6 is a top view of a wire spool in an embodiment of the cooking apparatus of the present invention;

fig. 7 is a structural diagram of a bobbin in an embodiment of the cooking apparatus of the present invention;

fig. 8 is a structural view of a guide frame in an embodiment of the cooking apparatus of the present invention;

FIG. 9 is an overall view of the pot body of the cooking device of the present invention;

FIG. 10 is an exploded perspective view of the pan body of the cooking apparatus of the present invention;

FIG. 11 is a view showing the structure of the lower chamber of the cooking apparatus of the present invention;

fig. 12 is an enlarged view of the insulated housing shown in fig. 11.

Detailed Description

As shown in fig. 1, the cooking apparatus of the embodiment includes a cabinet 10 having a substantially rectangular structure, the cabinet 10 having one or more cooking chambers 11, the cooking chambers 11 having openings 111 exposed from a front cover 14 of the cabinet 10, and a cookware 20 mounted into the cooking chambers 11 through the openings 111 in a mounting direction M and removable from the cooking chambers 11.

It should be noted that, although fig. 1 shows that there are four cooking chambers 11 in the box 10, and the four cooking chambers 11 are arranged in a 2 × 2 array, in other embodiments, there may be only one cooking chamber 11 in the box 10, or there may be other numbers of cooking chambers 11, and the arrangement of the cooking chambers 11 may be in a horizontal or vertical array, or in other combinations. In this embodiment, each cooking chamber 11 forms an independent cooking module, which can be used independently or simultaneously.

As shown in fig. 2, in the present embodiment, the cooking pot 20 includes a pot body 21 and a pot cover 22 removably disposed on the pot body 21, the pot cover 22 is provided with a feeding port 221 at least partially exposed outside the cooking chamber 11, and during cooking, materials can be fed into the pot body 21 in batches through the feeding port 221. The feeding port 221 may be inclined with respect to the horizontal plane for convenient feeding operation. The feeding port 221 may be formed in a circular shape, an oval shape, or a square shape, which is not limited by the present invention. As a variation of this embodiment, the cooking pot 20 may not include the lid 22, or include the lid 22 without the feeding port 221.

As shown in fig. 3, the cooking chamber 11 includes a lower chamber body 11a and an upper chamber body 11b, the upper chamber body 11b can be integrally formed with the front cover plate 14, and the lower chamber body 11a can form an independent component, which is assembled together to define a containing space adapted to the shape of the cookware 20. Wherein, the lower bin body 11a is matched with the shape of the pan body 21, and the upper bin body 11b is matched with the shape of the pan cover 22.

One or more (for example, two) temperature detection devices 116 are installed on the lower bin body 11a, and the temperature detection devices 116 are used for detecting the temperature of the pan body 21. Specifically, the wall of the lower bin body 11a is provided with a mounting hole 115 (see fig. 11), and the temperature detection device 116 is fixed in the mounting hole 115 and extends into the cooking bin 11, so as to measure the temperature of the pot body 21. In this embodiment, the number of the temperature detection devices 116 is two, and the two temperature detection devices 116 are symmetrically disposed in the left-right direction, and in other embodiments, the number and the positions of the temperature detection devices 116 may have different designs.

Further, the upper bin body 11b is provided with an elastic buffer part 117 for abutting against the pot cover 22, so as to buffer the shaking generated by the pot cover 22 in the cooking process and reduce the running noise of the equipment. For example, the upper cartridge body 11b has an installation groove 118 extending in the pot installation direction, the installation groove 118 is located at the center of the upper cartridge body 11b, and the elastic buffer 117 is disposed in the installation groove 118. Preferably, the elastic buffer 117 is made of a material having a low hardness, such as silicon gel.

The lid 22 is provided with an abutting portion 222 contacting with the elastic buffering portion 117, the abutting portion 222 protrudes out of the lid 22, and the abutting portion 222 itself may have a relatively high hardness so as to compress the elastic buffering portion 117 when the abutting portion 222 and the elastic portion 117 are in abutting engagement. In an alternative embodiment, the abutment 222 may be provided on the outer wall of the dispensing opening 211, the abutment 222 projecting into the mounting groove 118 and abutting against the resilient buffer 117.

The resilient buffer 117 may be formed in a bayonet-like shape for facilitating abutting engagement with the abutting portion 222. Preferably, when the elastic buffer 117 contacts the contact part 222, a certain gap is always formed between the lid 22 and the upper compartment 11b, so that no collision occurs.

Further, a water collecting tank 112 is arranged at the front side of the opening 111, and the water collecting tank 112 is positioned below the pot body 21. During cooking, liquid water formed by condensation of water vapor escaping from the opening 111 and water in the cooking chamber 11 can be collected in the water collecting tank 112 for easy cleaning and preventing contamination of the apparatus.

An electromagnetic heating device 40 is arranged in the box body 10 corresponding to each cooking chamber 11, and the electromagnetic heating device 40 is used for heating the pan body 21. As shown in fig. 3, electromagnetic heating device 40 is installed below cooking chamber 11, specifically on the chamber wall of lower chamber 11a, to realize rapid heating of pan body 21.

As shown in fig. 4 and 5, the electromagnetic heating device 40 includes a wire spool 41, a bobbin 42, and an induction coil (not shown) for electromagnetic heating, wherein a part of the wall of the lower bin 11a is of a semi-cylindrical shape for use as the wire spool 41. In other embodiments of the present invention, the wire spool 41 may also be installed on the lower bin 11a of the cooking bin 11.

As shown in fig. 5 and 6, the bobbin 42 has a plurality of winding teeth 421 protruding in a radial direction of the spool 41, and the winding teeth 421 of adjacent groups are spaced to form winding slots 422; the induction coil is sequentially wound in the winding slot 422 to be laid on the surface of the wire spool 41, particularly, the lower surface of the wire spool 41.

Specifically, the bobbin 42 has a carrier plate 423 adapted to the shape of the wire spool 41, the winding teeth 421 are disposed on the carrier plate 423, and the carrier plate 423 is connected to the wire spool 41 in an assembling manner, so that the modular production of the wire spool 41 and the bobbin 42 is facilitated, and the cost saving is facilitated. Preferably, the carrier plate 423 may be attached to the wire spool 41 by bonding, welding, or the like.

The bobbins 42 extend from the central region of the spool 41 to the corners of the spool 41, and the four bobbins 42 are symmetrically distributed with respect to the central region of the spool 41. Specifically, a projection pattern of the spool 41 in which a direction away from the bobbin 42 is taken as a projection direction is a rectangle, a center region of the spool 41 is a center region of the rectangle, and a projection of the bobbin 42 is overlapped or nearly overlapped with a diagonal line of the rectangle. With the center of the rectangle as a reference, the projection of the adjacent winding slots 422 is approximately in a shape of a Chinese character 'hui' sleeved inside and outside.

As shown in fig. 7, the winding teeth 421 include corresponding first direction winding teeth 4211 and second direction winding teeth 4212, and the first direction winding teeth 4211 may or may not be connected to the second direction winding teeth 4212; the first direction winding teeth 4211 and the second direction winding teeth 4212 are preferably perpendicular to each other so that the induction coil makes a 90 ° turn while passing around the first direction winding teeth 4211 and the second direction winding teeth 4212.

As shown in fig. 5 and 6, the electromagnetic heating device 40 may further include a guiding frame 43, the guiding frame 43 having a plurality of sets of protruding guiding teeth 431, and the guiding teeth 431 are distributed on the surface of the wire spool 41 along the axial direction and/or the circumferential direction of the wire spool 41.

Specifically, the guiding frame 43 is detachably connected to the wire spool 41 or integrally formed with the wire spool 41, and referring to fig. 6, for example, a portion of the guiding frame 43a is detachably connected to the wire spool 41, and another portion of the guiding frame 43b is integrally formed with the wire spool 41.

As shown in fig. 7, at least a part of the winding teeth 421 is provided with a retaining portion 4213 for further preventing the induction coil from being separated from the winding groove 422, and the retaining portion 4213 may have a wedge surface or a projection. Similarly, as shown in fig. 8, at least a portion of the guide teeth 431 may be provided with a retaining structure 4311 for further preventing the induction coil from being separated from the winding groove 422.

The electromagnetic heating device 40 may further include a magnetic strip mounting seat 44 adapted to the wire spool 41, as shown in fig. 4-5, the magnetic strip mounting seat 44 is connected to the wire spool 41, and the magnetic strip mounting seat 44 is provided with a magnetic strip corresponding to the induction coil. Preferably, a heat dissipation fan 50 is disposed on the magnetic strip mounting seat 44 or in the case 10 near the magnetic strip mounting seat 44, and the heat dissipation fan 50 is used for dissipating heat of the electromagnetic heating device 40.

As shown in fig. 9, the pot body 21 may be formed into a hollow semi-cylinder, and includes a first side wall 211, a second side wall 212 and an outer circumferential wall 213 connecting the first side wall 211 and the second side wall 212, which are oppositely arranged in the pot mounting direction, and the outer circumferential wall 213 is in a semi-cylindrical shape.

Further, as shown in fig. 1, a heat insulation structure 80 can be arranged between the lower bin body 11a and the pan body 21, and the heat insulation structure 80 is used for forming a space between the lower bin body 11a and the pan body 21.

Specifically, as shown in fig. 3, the heat insulation structure 80 includes a heat insulation pad 81, the heat insulation pad 81 is in an arc shape adapted to the outer peripheral wall 213 of the pan body 21, the heat insulation pad 81 can be set as a part of the lower bin body 11a, also can be set as a part of the pan body 21, and also can be an independent part arranged between the lower bin body 11a and the pan body 21, the heat insulation pad 81 can prevent the heat of the pan body 21 from being transferred to the lower bin body 11a, and plays a role in protecting the lower bin body 11a and other components from being heated by high temperature.

Further, as shown in fig. 3, the left and right sides in the cooking chamber 11 are provided with limit guide grooves 113 extending along the mounting direction of the pot body 21; as shown in fig. 9, the mouth of pot 21 has lateral projections 214, and when pot 20 is mounted in cooking chamber 11, lateral projections 214 are inserted into corresponding limit guide grooves 113 to guide quick mounting of pot 20.

Wherein, the lateral protruding part 214 can also be used for supporting the pot cover 22, and the pot cover 22 is covered on the pot body 21 and then is carried on the lateral protruding part 214; a limit part 215 can be formed at the edge of the lateral protruding part 214, and the limit part 215 is used for limiting the position of the pot cover 22 on the pot body 21 and preventing the pot cover 22 from shifting.

Further, as shown in fig. 11, the heat insulation structure 80 further includes a heat insulation seat 82 disposed at the limiting guide slot 113, wherein a plurality of heat insulation seats 82 may be disposed at each limiting guide slot 113; lateral projections 214 are carried on thermoinsulated seats 82 to form an insulated gap between pan 21 and lower cartridge body 11a.

Preferably, the heat insulation seat 82 is detachably fixed at the position of the limiting guide groove 113, for example, a counter bore 823 is formed in the heat insulation seat 82, a threaded hole corresponding to the counter bore 823 is formed in the limiting guide groove 113, and the heat insulation seat 82 is fixed by a counter bolt.

As shown in fig. 11 and 12, the heat insulating base 82 has a substantially L-shape, and includes a first heat insulating portion 821 inside the limiting guide groove 113 and a second heat insulating portion 822 outside the limiting guide groove 113, and the lateral protrusion 214 is supported on the first heat insulating portion 821. Thus, lateral protrusions 214 do not contact lower silo body 11a, and the high temperature of pot 21 is not transferred to lower silo body 11a through lateral protrusions 214; the outer wall contact of the thermal-insulated portion 822 of second and pot body 21 to it is spacing to distribute in order to control pot body 21 about the left and right sides of pot body 21, prevents on the one hand that pot body 21 from producing and rocking, and on the other hand directly supports the periphery wall 213 of pot body 21 through the thermal-insulated portion 822 of second, and pot body 21 can not produce the contact with lower storehouse body 11a, and then the high temperature of pot body 21 can not transmit to lower storehouse body 11a through the periphery wall 213 of pot body 21.

Heat insulation seat 82 is preferably made of wear-resistant heat insulation material, and cooking pot 20 is only in contact with heat insulation seat 82 in the insertion and extraction process of installation, and cannot be in contact with lower bin body 11a, so that lower bin body 11a cannot be abraded.

The pan body 21 is provided with a stirring mechanism 30. As shown in fig. 9 and 10, the stirring mechanism 30 includes a transmission rotation shaft 31, a stirring section 32, and a power receiving section 33; wherein, the transmission rotating shaft 31 is rotatably installed on the first side wall 211 of the pan body 21, and the power receiving part 33 is installed on the transmission rotating shaft 31.

A driving mechanism 60 is provided in the cabinet 10 at the rear of the cooking chamber 11, and the driving mechanism 60 includes a power transmitting part 62 detachably coupled to the power receiving part 33. Specifically, the power source of the driving mechanism 60 may be a unidirectional or bidirectional rotating motor, and the power transmitting portion 62 is provided at an output end of the power source to transmit a rotational driving force.

Wherein, after the cooking pot 20 is mounted to a predetermined position in the cooking chamber 11, the power transmitting part 62 and the power receiving part 33 are coupled to each other via a through hole 114 (see fig. 6) formed at the rear end of the cooking chamber 11 for transmitting a rotational driving force to the stirring mechanism 30. When cooking pot 20 is taken out of cooking chamber 11, power receiving portion 33 and power transmitting portion 62 are separated from each other to enable cooking pot 20 to be removable.

Referring to fig. 10, the supporting shaft 34 is disposed on the second sidewall 212 of the pot body 21, and the supporting shaft 34 is connected to the stirring portion 32 and keeps rotating synchronously. Specifically, the supporting rotating shaft 34 passes through a connecting arm 36 connected to the end of the stirring part 32 and the second side wall 212, and after passing through the second side wall 212, forms a threaded connection with a nut 35 arranged on the outer side of the second side wall 212; the support shaft 34 has a stopper at one end thereof opposite to the nut 35, and the stopper abuts against the connection arm 36 to prevent the connection arm 36 from being detached from the support shaft 34.

The stirring part 32 is used for stirring and stir-frying the materials in the pan body 21. In one embodiment of the present invention, the stirring part 32 has a sheet structure, which contacts or is close to the outer circumferential wall 213 of the pot body 21 during the rotation to stir the materials in the pot body 21 and prevent the materials from being adhered to the pot body 21.

The stirring section 32 may be parallel or angled with respect to its axis of rotation. In an alternative embodiment, as shown in fig. 4, the stirring part 32 has an angle with its rotation axis, so that the material can be stirred and stir-fried in the front and back direction; the range of the included angle is preferably 5-45 degrees, so that a better material stirring effect is realized. In some embodiments of the present invention, the stirring mechanism 30 may also adopt stirring portions 32 with other structures, shapes and quantities, which is not limited by the present invention.

Further, a handle 23 is connected to the second sidewall 212 of the pot body 21 to facilitate the mounting and removing operations of the cooking pot 20.

In the embodiment of the present invention, the cooking device is further provided with a control device, for example, a control device 70 with 12 human-machine interface is arranged on the outer frame of the box 10 as shown in fig. 1, so as to control the operation of the cooking device. Further, a display window 71 may be provided on the front cover 14 of the cabinet 10 at a position beside each cooking chamber 11 to correspondingly display the current state of the cooking chamber 11.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to limit the scope of the invention. Any person skilled in the art can make some modifications without departing from the scope of the invention, i.e. all equivalent modifications made according to the invention are intended to be covered by the scope of the invention.

Claims (10)

1. The utility model provides an electromagnetic heating device, includes the wire reel, sets up bobbin on the wire reel and the induction coil who is used for carrying out electromagnetic heating, its characterized in that: the wire spool is in a semi-cylindrical shape, the wire winding framework is provided with a plurality of groups of wire winding teeth protruding along the radial direction of the wire spool, and intervals exist between the wire winding teeth of adjacent groups to form wire winding grooves; the induction coil is sequentially wound in the winding slot to be laid on the surface of the winding disc.

2. The electromagnetic heating apparatus according to claim 1, wherein: the winding framework is provided with a support plate matched with the winding disc in shape, the winding teeth are arranged on the support plate, and the support plate is assembled and connected with the winding disc.

3. The electromagnetic heating apparatus according to claim 1, characterized in that: at least a part of the winding teeth are provided with anti-drop parts for preventing the induction coil from dropping off from the winding groove.

4. The electromagnetic heating apparatus according to claim 1, characterized in that: the winding framework extends to the corner of the wire spool by taking the central area of the wire spool as a starting point, and the winding framework is symmetrically distributed relative to the central area of the wire spool.

5. The electromagnetic heating apparatus according to claim 4, characterized in that: the winding teeth comprise corresponding first direction winding teeth and second direction winding teeth, and the induction coil generates 90-degree steering when passing around the first direction winding teeth and the second direction winding teeth.

6. The electromagnetic heating apparatus according to claim 4, wherein: the wire spool is characterized by further comprising a guide framework, wherein the guide framework is provided with a plurality of groups of protruding guide teeth, and the guide teeth are distributed on the surface of the wire spool along the axial direction and/or the circumferential direction of the wire spool.

7. The electromagnetic heating apparatus according to claim 6, wherein: the guide framework is separably connected to the wire spool or integrally formed with the wire spool.

8. The electromagnetic heating apparatus according to claim 1, wherein: the induction coil is characterized by further comprising a magnetic strip mounting seat matched with the wire spool, the magnetic strip mounting seat is connected to the wire spool, and a magnetic strip corresponding to the induction coil is arranged on the magnetic strip mounting seat.

9. A cooking device, includes box, its characterized in that: the box body is provided with one or more cooking bins for mounting cooking pots, and the electromagnetic heating device according to any one of claims 1-8 is arranged in the box body corresponding to each cooking bin, and the wire winding disc of the electromagnetic heating device is formed as a part of or mounted on a lower bin body of the cooking bin.

10. The cooking apparatus of claim 9, wherein: the lower bin body is provided with one or more mounting holes, and a temperature detection device for detecting the temperature of the cooking pot is arranged in the mounting holes.

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