CN210042290U

CN210042290U - Coil panel structure of electromagnetic oven

Info

Publication number: CN210042290U
Application number: CN201920719728.8U
Authority: CN
Inventors: 杨传全; 张哲�
Original assignee: Foshan Shunde Tiansi Electrical Appliance Co Ltd
Current assignee: Foshan Shunde Tiansi Electrical Appliance Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-02-07
Anticipated expiration: 2029-05-17

Abstract

The utility model provides a coil panel structure of electromagnetism stove, is provided with more than one coil panel module in the casing, and every coil panel module includes the unit that generates heat more than two, and every unit that generates heat includes first coil panel and second coil panel, and this first coil panel and second coil panel parallel arrangement, the ratio scope of the inductance of first coil panel and the inductance of second coil panel is 1: 0.9 to 1.1; the ratio range of the Q value of the first coil disc to the Q value of the second coil disc is 1: 0.985-1.015; the more than two heating units are connected in series or in parallel. The diameter of the first coil disc is not less than 2 cm. Each heating unit in the utility model can comprise a first coil panel, a second coil panel and a third coil panel besides the first coil panel and the second coil panel, and the first coil panel, the second coil panel and the third coil panel are arranged in parallel; thereby further meeting the requirements of the design or the customer. The utility model has the characteristics of easy operation.

Description

Coil panel structure of electromagnetic oven

Technical Field

The utility model relates to a coil panel structure of an induction cooker.

Background

Chinese patent document No. CN 202835487U discloses in 2013, 03, 27, an induction cooker, which includes a base and a plurality of coil disks, wherein the coil disks are arranged on the base at intervals; centers of the plurality of coil disks are arranged at intervals around a center of the base; the centers of the plurality of coil disks are arranged on at least one circular ring or at least one polygonal ring centered on the center of the base.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an easy-to-operate coil panel structure of an induction cooker to overcome the shortcomings in the prior art.

The coil panel structure of the induction cooker designed according to the purpose is structurally characterized in that more than one coil panel module is arranged in the shell, each coil panel module comprises more than two heating units, each heating unit comprises a first coil panel and a second coil panel, the first coil panel and the second coil panel are arranged in parallel, and the ratio range of the inductance of the first coil panel to the inductance of the second coil panel is 1: 0.9 to 1.1; the ratio range of the Q value of the first coil disc to the Q value of the second coil disc is 1: 0.985-1.015; the more than two heating units are connected in series or in parallel.

Further, the heating unit further comprises a third coil panel, the first coil panel, the second coil panel and the third coil panel are arranged in parallel, and the ratio of the inductance of the third coil panel to the inductance of the second coil panel is in the range of 1: 0.9 to 1.1; the ratio range of the Q value of the third coil disc to the Q value of the second coil disc is 1: 0.985 to 1.015.

Further, the diameter of the third coil disk is not less than 2 cm.

Further, the diameter of the first coil disc and the diameter of the second coil disc are respectively not less than 2 cm.

Further, the coil panel structure of the induction cooker further comprises a control panel, the detection module, the temperature measurement module and the power module are electrically connected with the coil panel module respectively, the signal module, the control module, the feedback module and the power module are electrically connected with the power module respectively, the control panel is electrically connected with the control module and the power module respectively, and the EMC module is electrically connected with the power module.

The utility model provides a be provided with more than one coil panel module in the casing, every coil panel module includes the unit that generates heat more than two, and every unit that generates heat includes first coil panel and second coil panel, and this first coil panel and the parallelly connected setting of second coil panel, the sensing capacity of first coil panel and the sensing capacity's of second coil panel ratio scope are 1: 0.9 to 1.1; the ratio range of the Q value of the first coil disc to the Q value of the second coil disc is 1: 0.985-1.015; the more than two heating units are connected in series or in parallel; because the inductance and the Q value parameter of each coil panel are basically close, and the overall parameter of the whole heating module is basically close to the parameter of a single coil panel after connection, the power of each heating unit is one N times of the total power of the whole induction cooker; when the induction cooker is two heating units, the power of each heating unit is half of the total power of the whole induction cooker. Wherein Q refers to the quality factor of the inductor.

The utility model provides an every heating unit can also include the third coil panel except can including first coil panel and second coil panel, and first coil panel, second coil panel and the parallelly connected setting of third coil panel, and the sensing capacity of third coil panel and the sensing capacity's of second coil panel ratio scope is 1: 0.9 to 1.1; the ratio range of the Q value of the third coil disc to the Q value of the second coil disc is 1: 0.985-1.015; thereby further meeting the requirements of the design or the customer.

To sum up, the utility model has the characteristics of easy operation.

Drawings

Fig. 1 is an exploded schematic view of an embodiment of the present invention.

Fig. 2 is a first application example of a single heat generating unit.

Fig. 3 is a first application example of the coil disk module.

Fig. 4 is a second application example of the coil disk module.

Fig. 5 is a second application example of a single heat generating unit.

Fig. 6 is a third application example of the coil disk module.

Fig. 7 is a fourth application example of the coil disk module.

Fig. 8 is a control block diagram of the present invention.

Fig. 9 is a schematic diagram of the circuit connection of the present invention.

In the figure: 1 is the roof, 2 is the face-piece, 3.1 is first coil panel, 3.2 is the second coil panel, 3.3 is the third coil panel, 3.4 is the fourth coil panel, 4 is the power cord, 5 is the heat insulating board, 6 is the drain pan, 7 is the mainboard, 8 is controlling the board, 10 is detection module, 11 is the coil panel module, 12 is power module, 13 is temperature measurement module, 14 is signal module, 15 is control module, 16 is controlling the panel, 17 is feedback module, 18 is power module, 19 is the EMC module.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 9, in the coil panel structure of the induction cooker, more than one coil panel module 11 is disposed in a housing, each coil panel module 11 includes more than two heating units, each heating unit includes a first coil panel 3.1 and a second coil panel 3.2, the first coil panel 3.1 and the second coil panel 3.2 are disposed in parallel, and a ratio range of an inductance of the first coil panel 3.1 to an inductance of the second coil panel 3.2 is 1: 0.9 to 1.1; the ratio of the Q value of the first coil disk 3.1 to the Q value of the second coil disk 3.2 ranges from 1: 0.985 to 1.015.

In this embodiment, the two or more heating units are connected in series or in parallel, as shown in fig. 2 to 4.

The heating unit further comprises a third coil panel 3.3, the first coil panel 3.1, the second coil panel 3.2 and the third coil panel 3.3 are arranged in parallel, as shown in fig. 5-7, the ratio of the inductance of the third coil panel 3.3 to the inductance of the second coil panel 3.2 is in the range of 1: 0.9 to 1.1; the ratio of the Q-value of the third coil disk 3.3 to the Q-value of the second coil disk 3.2 ranges from 1: 0.985 to 1.015.

In this embodiment the third coil disc 3.3 has a diameter of not less than 2 cm. The diameter is the smallest diameter.

The diameter of the first coil disc 3.1 and the diameter of the second coil disc 3.2 are not less than 2cm respectively.

The coil panel structure of the induction cooker further comprises a control panel 16, the detection module 10, the temperature measurement module 13 and the power module 12 are electrically connected with the coil panel module 11 respectively, the signal module 14, the control module 15, the feedback module 17 and the power module 18 are electrically connected with the power module 12 respectively, the control panel 16 is electrically connected with the control module 15 and the power module 18 respectively, and the EMC module 19 is electrically connected with the power module 18.

In this embodiment, there are two heat generating units, and thus there are two corresponding signal modules, i.e., the signal module 14 and the other signal module 24, and two corresponding temperature measuring modules, i.e., the temperature measuring module 13 and the other temperature measuring module 23.

In practice, the central controller of the induction cooker can respectively control the heating units in different heating areas of the same induction cooker to work, so as to satisfy the requirement of a place where one induction cooker simultaneously uses a plurality of cooking appliances, such as heating for making a plurality of hot pot rice or a plurality of fast food at one time.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coil panel structure of electromagnetism stove, characterized by is provided with more than one coil panel module (11) in the casing, and every coil panel module (11) includes more than two heating units, and every heating unit includes first coil panel (3.1) and second coil panel (3.2), and this first coil panel (3.1) and second coil panel (3.2) parallel arrangement, the ratio scope of the inductance of first coil panel (3.1) and the inductance of second coil panel (3.2) is 1: 0.9 to 1.1; the ratio of the Q value of the first coil disk (3.1) to the Q value of the second coil disk (3.2) ranges from 1: 0.985-1.015; the more than two heating units are connected in series or in parallel.

2. The coil panel structure of the induction cooker according to claim 1, wherein said heating unit further comprises a third coil panel (3.3), the first coil panel (3.1), the second coil panel (3.2) and the third coil panel (3.3) are arranged in parallel, and the ratio of the inductance of the third coil panel (3.3) to the inductance of the second coil panel (3.2) ranges from 1: 0.9 to 1.1; the ratio of the Q value of the third coil disk (3.3) to the Q value of the second coil disk (3.2) ranges from 1: 0.985 to 1.015.

3. Coil disk structure of an induction hob according to claim 2, characterised in that the diameter of said third coil disk (3.3) is not less than 2 cm.

4. Coil disk structure of an induction hob according to claim 1, characterised in that the diameter of the first coil disk (3.1) and the diameter of the second coil disk (3.2) are each not less than 2 cm.

5. The coil panel structure of the induction cooker according to any one of claims 1 to 4, further comprising a control panel (16), wherein the detection module (10), the temperature measurement module (13) and the power module (12) are electrically connected to the coil panel module (11), the signal module (14), the control module (15), the feedback module (17) and the power module (18) are electrically connected to the power module (12), the control panel (16) is electrically connected to the control module (15) and the power module (18), and the EMC module (19) is electrically connected to the power module (18).