CN220156685U

CN220156685U - Electromagnetic wire coil assembly and electromagnetic oven device

Info

Publication number: CN220156685U
Application number: CN202321661104.8U
Authority: CN
Inventors: 梁坚民; 侯刚
Original assignee: Zhongshan Yigu Electrical Appliance Technology Co ltd
Current assignee: Zhongshan Yigu Electrical Appliance Technology Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-12-08
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses an electromagnetic wire coil assembly and an electromagnetic oven device, which both comprise: the wire coil body is made of flexible heat-resistant materials, the wire coil body is provided with a carrying surface for carrying the pan, a spiral disc-shaped electromagnetic coil is arranged below the carrying surface and comprises a plurality of coils of coil units which are sequentially connected from inside to outside, the wire coil body and the electromagnetic coil can be jointly and elastically deformed downwards so that the carrying surface is attached to the bottom surface of the pan or the arc bottom pan, and the shortest distances between the coil units of each coil and the carrying surface are approximately equal. The electromagnetic wire coil assembly and the electromagnetic oven device utilize the wire coil main body and the electromagnetic coil which can be elastically deformed to be suitable for heating the pan and the arc bottom pan, the application range is wider, and the shortest distance between each coil unit after elastic deformation and the carrying surface is approximately equal, so that the heating uniformity is ensured.

Description

Electromagnetic wire coil assembly and electromagnetic oven device

Technical Field

The utility model relates to the technical field of induction cookers, in particular to an induction coil assembly and an induction cooker device.

Background

In the current market, a flat panel is generally used for carrying cookware, wherein the panel is made of glass or ceramic materials. The induction cooker with the structure is only suitable for heating flat-bottomed pans with the bottom surface being a plane, and cannot realize heating for arc-bottomed pans with the bottom surface being an arc surface, so that the application range of the induction cooker is narrow, and induction cookers with different structures are required to be equipped according to different types of pans.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and therefore, one of the purposes of the utility model is to provide an electromagnetic wire coil assembly suitable for a pan and a circular arc bottom pan so as to expand the application range and improve the use freedom; and secondly, an electromagnetic oven device with the electromagnetic wire coil assembly is provided.

An electromagnetic coil assembly according to an embodiment of the first aspect of the present utility model includes: the wire coil body is made of flexible heat-resistant materials, the wire coil body is provided with a carrying surface for carrying a pan, a spiral disc-shaped electromagnetic coil is arranged below the carrying surface and comprises a plurality of coils of coil units which are sequentially connected from inside to outside, the wire coil body and the electromagnetic coil can be jointly and downwards elastically deformed so that the carrying surface is attached to the bottom surface of the pan or the arc bottom pan, and the shortest distances between the coil units and the carrying surface are approximately equal.

An electromagnetic coil assembly according to an embodiment of the present utility model has at least the following

The beneficial effects are that:

when the pan or the arc bottom pan is placed on the surface of the object, the flexible wire coil main body is subjected to the action of downward pressure to generate elastic deformation, so that the surface of the object is attached to the bottom surface of the pan or the arc bottom pan to match with pans of different types, the application range of the electromagnetic wire coil assembly is widened, and the use freedom degree is improved. And after the electromagnetic coil follows the coil main body to elastically deform downwards, the shortest distance between each coil unit and the object carrying surface is approximately equal, so that the heating uniformity is ensured.

In some embodiments of the utility model, the coil body is formed of silicone molded to the exterior of the electromagnetic coil.

In some embodiments of the present utility model, the wire coil main body includes a circular sheet plate and a plurality of limiting ribs disposed on a lower surface of the circular sheet plate and extending in a radial direction of the circular sheet plate, the upper surface of the circular sheet plate forms the object carrying surface, the limiting ribs are provided with a plurality of limiting through hole grooves corresponding to the coil units one to one along a length direction of the limiting ribs, and the coil units are penetrated in the limiting through hole grooves and are abutted against the lower surface of the circular sheet plate.

In some embodiments of the present utility model, the plurality of the limiting ribs are radially distributed at the geometric center of the circular sheet, and an empty area is provided between adjacent limiting ribs, and the empty area is used for accommodating a positioning jig for loading the electromagnetic coil.

In some embodiments of the present utility model, a cylindrical protrusion is provided on the lower surface of the circular sheet, the inner ring of the electromagnetic coil is sleeved on the outer circumferential surface of the cylindrical protrusion, one end of the limiting rib is connected with the cylindrical protrusion, the other end of the limiting rib is connected with the outer circumferential edge of the circular sheet, a positioning sink is provided on the lower surface of the cylindrical protrusion, and the positioning sink is used for limiting and fixing the positioning jig.

In some embodiments of the present utility model, the lower surface of the limiting rib is parallel to the circular sheet, and the lower surface of the limiting rib is provided with a magnetic guiding strip assembly.

In some embodiments of the present utility model, the magnetic strip assembly includes a plurality of magnetic strip units spaced along an extension direction of the limit rib, and when the wire coil body is deformed downward, the limit rib bends to drive adjacent magnetic strip units to deflect relatively.

In some embodiments of the present utility model, the magnetic stripe units are adhered to the lower surface of the limiting rib, and a notch groove extending along the length direction of the magnetic stripe unit is provided on at least one surface of the magnetic stripe unit facing the limiting rib.

In some embodiments of the utility model, a plurality of spring members are disposed beneath the coil body and evenly circumferentially spaced about the geometric center thereof.

An induction cooker apparatus according to an embodiment of the second aspect of the utility model includes an induction coil assembly according to any one of the above aspects. The induction cooker device is suitable for heating the pan and the arc bottom pan, has wider application range, and can achieve the effect of heating the pan and the arc bottom pan uniformly.

Additional aspects and advantages of the utility model 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 utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a schematic view of an embodiment of an electromagnetic coil assembly of the present utility model in contact with a pan;

fig. 2 is a schematic view of the electromagnetic coil assembly of the embodiment of fig. 1 in contact with an arc bottom pot after removal of the magnetic strip assembly;

fig. 3 is a schematic cross-sectional view of the electromagnetic coil assembly of the embodiment of fig. 1;

fig. 4 is a schematic view of an embodiment of a wire coil body when not compressed.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

In the description of the present utility model, it should be understood that the direction or positional relationship indicated with respect to the description of the orientation, such as up, down, etc., is based on the direction or positional relationship shown in the drawings, is merely for convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless clearly defined otherwise, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be connected directly or indirectly through an intermediary; the connecting device can be fixedly connected, detachably connected and integrally formed; may be a mechanical connection; may be a communication between two elements or an interaction between two elements. The specific meaning of the words in the utility model can be reasonably determined by a person skilled in the art in combination with the specific content of the technical solution.

Referring to fig. 1 to 4, an electromagnetic wire coil assembly according to an embodiment of the present utility model includes: the wire coil body 100 is made of flexible heat-resistant materials, the wire coil body 100 is provided with a carrying surface 111 for carrying a pan, a spiral disc-shaped electromagnetic coil 200 is arranged below the carrying surface 111 of the wire coil body 100, the electromagnetic coil 200 comprises a plurality of coils 210 which are sequentially connected from inside to outside, the wire coil body 100 and the electromagnetic coil 200 can jointly and downwards elastically deform so that the carrying surface 111 is attached to the bottom surface of the pan or the arc bottom pan, and the shortest distances between the coils 210 and the carrying surface 111 are approximately equal.

When the pan or the arc bottom pan is placed on the carrying surface 111, the flexible wire coil main body 100 is subjected to downward elastic deformation due to the gravity of the pan and food in the pan, when the pan is the pan, the carrying surface 111 is directly flatly attached to the bottom surface of the pan, and when the pan is the arc bottom pan, the carrying surface 111 generates concave deformation, so that the bottom surface of the arc bottom pan is completely wrapped, the electromagnetic wire coil component can be matched with different types of pans, the application range is widened, and the use degree of freedom is improved. And after the electromagnetic coil 200 is elastically deformed downward following the coil body 100, the shortest distance between each coil unit 210 and the carrying surface 111 is approximately equal, thereby ensuring the heating uniformity.

In some embodiments of the present utility model, the coil body 100 is formed of a silicone molded to the outside of the electromagnetic coil 200. The highest heat-resistant temperature of the silica gel can reach about 350 degrees, and the wire coil main body 100 made of the silica gel has good elastic deformation capability. It can be appreciated that when the electromagnetic wire coil assembly is manufactured, the electromagnetic coil 200 is formed by coiling, and then the coiled electromagnetic coil 200 is put into an injection mold for injection molding, so that the wire coil main body 100 tightly combined with the electromagnetic coil 200 is formed, the production and processing procedures are simplified, and the relative positions of the electromagnetic coil 200 and the wire coil main body 100 are stable.

Referring to fig. 1, 3 and 4, in some embodiments of the present utility model, the wire coil main body 100 includes a circular sheet 110 and a plurality of limiting ribs 120 disposed on a lower surface of the circular sheet 110 and extending along a radial direction of the circular sheet 110, the upper surface of the circular sheet 110 forms the carrying surface 111, the limiting ribs 120 are provided with a plurality of limiting through hole slots 121 corresponding to each coil unit 210 one by one along a length direction thereof, and the coil units 210 are disposed through the limiting through hole slots 121 and abut against the lower surface of the circular sheet 110. It can be appreciated that the positioning ribs 120 are provided to facilitate positioning and fixing the position of the electromagnetic coil 200, and the plurality of positioning through holes 121 on the positioning ribs 120 are beneficial to positioning and fixing the position of each coil unit 210, so as to prevent the coil units 210 from moving, avoid the electromagnetic coil 200 from generating deformation in the radial direction, and ensure the stability of the heating performance.

Referring to fig. 2 and 4, in some embodiments of the present utility model, a plurality of the limiting ribs 120 are provided, the plurality of limiting ribs 120 are radially distributed with the geometric center of the circular sheet 110, and an empty area is provided between adjacent limiting ribs 120, and the empty area is used for accommodating a positioning fixture for loading the electromagnetic coil 200. It should be noted that, when the electromagnetic coil 200 is coiled, the positioning jig is used to form the multi-turn coil unit 210 with fixed space, in order to ensure that the shape of the electromagnetic coil 200 placed in the injection mold is fixed, the electromagnetic coil 200 and the positioning jig are placed in the injection mold as a whole, specifically, the empty areas between the adjacent limiting ribs 120 are fan-shaped, the positioning jig is exactly provided with a plurality of fan-shaped portions capable of being placed in the empty areas, the fan-shaped portions are provided with circular arc open grooves for positioning the coil unit 210, when the molten silica gel material is injected into the injection mold, after the silica gel is cooled, the circular sheet 110 and the limiting ribs 120 can be formed, at this time, the coil unit 210 can be detached from the openings of the circular arc open grooves only by extracting the positioning jig, thereby ensuring that the electromagnetic coil 200 and the wire coil body 100 reach the preset shape and structure.

Referring to fig. 1 and 4, in some embodiments of the present utility model, in order to further position the electromagnetic coil 200, a cylindrical protrusion 112 is provided on the lower surface of the circular plate 110, an inner ring of the electromagnetic coil 200 is sleeved on the outer circumferential surface of the cylindrical protrusion 112, the cylindrical protrusion 112 is also formed during injection molding, one end of the limiting rib 120 is connected to the cylindrical protrusion 112, the other end of the limiting rib 120 is connected to the outer circumferential edge of the circular plate 110, and a positioning sink 113 is provided on the lower surface of the cylindrical protrusion 112, wherein a disc portion matched with the positioning sink 113 is provided in the middle of the positioning jig, and the plurality of fan-shaped portions are connected to the disc portion.

Referring to fig. 1, in some embodiments of the present utility model, in order to enhance the magnetic field of the electromagnetic wire coil assembly, prevent magnetic leakage from interfering with the underlying components, the lower surface of the spacing rib 120 is parallel to the circular sheet 110, and the lower surface of the spacing rib 120 is provided with a magnetic guiding strip assembly 300.

Referring to fig. 1, in some embodiments of the present utility model, the magnetic strip assembly 300 includes a plurality of magnetic strip units 310 spaced apart along the extension direction of the limit rib 120, and when the wire coil body 100 is deformed downward by a force, the limit rib 120 is bent to drive the adjacent magnetic strip units 310 to relatively deflect. It can be appreciated that when the arc bottom pot is placed on the carrying surface 111, the coil body will be deformed concavely, and the limiting ribs 120 will be deformed in a certain radian similarly, if a straight magnetic strip is adopted, the magnetic strip will be broken, and a plurality of magnetic strip units 310 with shorter lengths are arranged at intervals, so that the technical problem can be solved.

Referring to fig. 1, in some embodiments of the present utility model, the magnetic stripe units 310 are adhered to the lower surface of the spacing rib 120, and at least one of the surfaces of the magnetic stripe units 310 facing the spacing rib 120 is provided with a notch groove 311 extending along the length direction of the magnetic stripe unit 310. It should be noted that, in practical application, after the electromagnetic wire coil assembly is electrified, a certain coil unit 210 acts on the heating performance of the pot to be stronger, so that uniformity of each coil unit 210 in heating the pot is insufficient, and for this purpose, the magnetic field strength of the position where the coil unit 210 is located can be weakened by providing the notch slot 311 on the corresponding magnetic stripe unit 310, so that the problem of heating uniformity of the electromagnetic coil 200 on the pot is improved.

In some embodiments of the present utility model, to enhance the carrying capacity of the coil body 100 to the pot, a plurality of spring members are disposed under the coil body 100, which are uniformly circumferentially spaced around the geometric center thereof.

The utility model also discloses an electromagnetic oven device which comprises the electromagnetic wire coil assembly of any technical scheme. The induction cooker device is suitable for heating the pan and the arc bottom pan, has wider application range, and can achieve the effect of heating the pan and the arc bottom pan uniformly.

The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims

1. An electromagnetic coil assembly, comprising:

the wire coil body (100) is made of flexible heat-resistant materials, the wire coil body (100) is provided with a carrying surface (111) for carrying a pan, an electromagnetic coil (200) which is in a spiral disc shape is arranged below the carrying surface (111) of the wire coil body (100), the electromagnetic coil (200) comprises a plurality of coils of coil units (210) which are sequentially connected from inside to outside, the wire coil body (100) and the electromagnetic coil (200) can be jointly and downwards elastically deformed so that the carrying surface (111) is attached to the bottom surface of the pan or the bottom surface of the arc pan, and the shortest distances between the coil units (210) and the carrying surface (111) are approximately equal.

2. An electromagnetic coil assembly according to claim 1, wherein the coil body (100) is formed of silicone molded to the exterior of the electromagnetic coil (200).

3. An electromagnetic wire coil assembly according to claim 2, wherein the wire coil main body (100) comprises a circular sheet plate (110) and a plurality of limit ribs (120) which are arranged on the lower surface of the circular sheet plate (110) and extend along the radial direction of the circular sheet plate (110), the upper surface of the circular sheet plate (110) forms the carrying surface (111), a plurality of limit through hole grooves (121) which are in one-to-one correspondence with the coil units (210) are arranged on the limit ribs (120) at intervals along the length direction of the limit ribs, and the coil units (210) are arranged in the limit through hole grooves (121) in a penetrating manner and are abutted against the lower surface of the circular sheet plate (110).

4. An electromagnetic coil assembly as set forth in claim 3 wherein the plurality of spacing ribs (120) are disposed in a plurality, the plurality of spacing ribs (120) are radially disposed about a geometric center of the circular sheet (110), and an empty area is disposed between adjacent ones of the spacing ribs (120) and is configured to receive a positioning jig for loading the electromagnetic coil (200).

5. The electromagnetic wire coil assembly according to claim 4, wherein a cylindrical protrusion (112) protruding is provided on a lower surface of the circular plate (110), an inner ring of the electromagnetic coil (200) is sleeved on an outer circumferential surface of the cylindrical protrusion (112), one end of the limiting rib (120) is connected with the cylindrical protrusion (112), the other end of the limiting rib (120) is connected with an outer circumferential edge of the circular plate (110), a positioning sink (113) is provided on a lower surface of the cylindrical protrusion (112), and the positioning sink (113) is used for limiting and fixing the positioning jig.

6. An electromagnetic coil assembly as set forth in claim 3 wherein the lower surface of the spacing rib (120) is parallel to the circular sheet (110), and the lower surface of the spacing rib (120) is provided with a magnetic guide strip assembly (300).

7. The electromagnetic coil assembly as set forth in claim 6, wherein the magnetically permeable strip assembly (300) includes a plurality of magnetic stripe units (310) spaced apart along an extension of the spacing rib (120), the spacing rib (120) being curved to urge adjacent magnetic stripe units (310) to deflect relatively when the coil body (100) is forced downward.

8. The electromagnetic coil assembly as set forth in claim 7, wherein the magnetic strip units (310) are adhered to the lower surface of the spacing ribs (120), and a notch groove (311) extending along the length direction of the magnetic strip units (310) is provided on at least one of the surfaces of the magnetic strip units (310) facing the spacing ribs (120).

9. An electromagnetic coil assembly as set forth in claim 1, wherein a plurality of spring members are disposed beneath the coil body (100) and evenly circumferentially spaced about the geometric center thereof.

10. An induction cooker apparatus comprising an induction coil assembly as claimed in any one of claims 1 to 9.