Energy-gathering electromagnetic heating disc

Abstract

The utility model discloses an energy-gathering electromagnetic heating disc, which comprises a magnetic stripe, a magnetic ring, a coil and a support, a magnetic ring groove for accommodating the magnetic ring and a magnetic stripe groove for accommodating the magnetic stripe are arranged on the bottom surface of the support, the magnetic stripe groove is provided with a radial groove part and a shaft groove part, and the radial groove part is positioned on one side of the magnetic ring groove and extends towards the outer edge of the support in the radial direction of the support; the shaft groove part extends upwards from the end, close to the outer edge of the support, of the radial groove part. According to the utility model, the magnetic ring is arranged at the central position of the support, and the magnetic strip is configured to be an inverted-L-shaped magnetic strip which firstly extends outwards from the magnetic ring and then extends upwards. The vertical magnetic induction lines generated by the magnetic ring in the center of the support, the horizontal magnetic induction lines generated by the magnetic strips and the vertical magnetic induction lines generated by the extension of the support form a surrounding magnetic field, the power of the heating disc is improved, the magnetic ring grooves and the magnetic strip grooves are formed in the bottom face of the support, synchronous assembly of the magnetic strips and the magnetic ring is achieved, and the service life of the heating disc is prolonged. The assembling efficiency and the heating power are improved while the assembling steps are simplified and the assembling time is saved.

Description

Technical Field

[0001] The utility model relates to a heating plate, in particular to an energy-gathering electromagnetic heating plate. Background Art

[0002] The electromagnetic heating plate is a component used for heating in small household appliances such as induction cookers and health pots. The existing electromagnetic heating plate includes a magnetic component 1, a magnetic component 2, a coil and a bracket. The magnetic component 1 is composed of a number of arc-shaped magnets arranged at intervals. It is arranged at the center of the top surface of the bracket. The magnetic component 1 generates vertical magnetic flux lines at the center of the bracket. The magnetic component 2 is a straight-line magnetic component arranged at the bottom of the bracket, which generates horizontal magnetic flux lines. Since the magnetic component 1 is arranged at the center of the top surface of the bracket to generate vertical magnetic flux lines, and the magnetic component 2 is arranged at the bottom of the bracket to generate horizontal magnetic flux lines, an enveloping magnetic field is not formed, resulting in low power of the electromagnetic heating plate. Utility Model Content

[0003] The utility model aims to provide an energy-gathering electromagnetic heating plate to solve the problem of low power in existing electromagnetic heating plates, in which a magnetic component one is arranged at the center of the top surface of a bracket to generate vertical magnetic flux lines, and a magnetic component two is arranged at the bottom surface of the bracket to generate horizontal magnetic flux lines, and an enveloping magnetic field is not formed.

[0004] The utility model is realized by the following technical solutions:

[0005] An energy-focusing electromagnetic heating disk comprises a magnetic strip, a magnetic ring, a coil and a bracket, wherein the coil is arranged on the top surface of the bracket, and a magnetic ring groove and a magnetic strip groove are arranged on the bottom surface of the bracket, wherein the magnetic ring groove is located at the center of the bracket, and the magnetic strip groove has a radial groove portion and an axial groove portion which are interconnected, wherein the radial groove portion is located on one side of the magnetic ring groove and extends toward the outer edge of the bracket in the radial direction of the bracket, and the axial groove portion extends upward from one end of the radial groove portion adjacent to the outer edge of the bracket, wherein the magnetic strip is accommodated in the magnetic strip groove and matches the shape of the magnetic strip groove, and the magnetic ring is accommodated in the magnetic ring groove.

[0006] Furthermore, the magnetic stripe slots and the magnetic stripes are both multiple and one-to-one corresponding, the multiple magnetic stripe slots include multiple main slots and multiple auxiliary slots, the multiple main slots extend radially from the magnetic ring slot toward the outer edge of the bracket, and the multiple auxiliary slots are arranged between two adjacent main slots and extend radially toward the outer edge of the bracket.

[0007] Furthermore, the bracket has an outer ring portion adjacent to its outer edge, the outer ring portion protrudes from the top surface of the bracket and extends around the axis of the magnetic ring groove, and a plurality of the shaft groove portions are spaced apart in the circumferential direction of the outer ring portion and connected to the top surface of the bracket.

[0008] Furthermore, the magnetic ring groove extends from bottom to top and protrudes from the top surface of the bracket to form an inner ring portion, and the outer ring portion and the inner ring portion cooperate with the top surface of the bracket to form a coil groove for accommodating the coil.

[0009] Furthermore, a plurality of partition plates are provided at the bottom of the coil slot, and the plurality of partition plates extend around the axis of the magnetic ring slot and are spaced apart in the radial direction of the magnetic ring slot to divide the coil slot into a plurality of winding slots that are interconnected.

[0010] Furthermore, the outer ring portion is provided with an upper wire outlet connected to the coil slot between the two adjacent shaft groove portions, and an upper winding piece is provided on one side of the upper wire outlet, and the outer ring portion is provided with a lower wire outlet between the two adjacent shaft groove portions, and a lower winding piece is provided on one side of the lower wire outlet.

[0011] Furthermore, the bracket is provided with a heat dissipation hole between two adjacent magnetic strip grooves.

[0012] Furthermore, the magnetic strip and the magnetic ring are made of magnetic material; and / or the coil is wound by copper wire or aluminum wire; and / or the magnetic ring groove is an annular groove arranged at the center position of the bracket, and the magnetic ring is an annular magnetic part accommodated in the magnetic ring groove.

[0013] Furthermore, the bracket is a disc bracket, the bracket is provided with an assembly through hole coaxially arranged therewith, the magnetic ring groove is arranged outside the assembly through hole and coaxially arranged therewith, and the outer diameter of the bracket is not greater than 160 mm.

[0014] The advantages of this technical solution are:

[0015] 1. By arranging the magnetic ring at the center of the bracket and arranging the magnetic strip into a shape of a magnetic strip that first extends outward from the magnetic ring and then extends upward, the vertical magnetic flux lines generated by the magnetic ring at the center of the bracket, the horizontal magnetic flux lines generated by the magnetic strip and the vertical magnetic flux lines generated on the extension of the bracket form an enveloping magnetic field, thereby improving the heating power of the energy-concentrating electromagnetic heating plate.

[0016] 2. Compared with the existing heating plate in which the magnetic parts 1 and 2 are arranged on the top and bottom surfaces of the bracket respectively, during the assembly process, the magnetic part 1 needs to be assembled on the top surface of the bracket and the bracket can be flipped over to install the magnetic part 2 after the glue is dried. The utility model realizes the synchronous assembly of the magnetic strip and the magnetic ring by configuring a magnetic ring groove for accommodating the magnetic ring and a magnetic strip groove for accommodating the magnetic strip on the bottom surface of the bracket, which simplifies the assembly steps and saves assembly time, while improving the assembly efficiency and heating power. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings required for describing the embodiments are briefly introduced below.

[0019] Figure 1 It is a three-dimensional diagram of the energy-gathering electromagnetic heating plate disclosed in the embodiment;

[0020] Figure 2 It is an exploded view of the energy-gathering electromagnetic heating plate disclosed in the embodiment;

[0021] Figure 3 is a cross-sectional view of the energy-gathering electromagnetic heating plate disclosed in the embodiment;

[0022] Figure 4 is a three-dimensional diagram of the bracket in the embodiment in direction one;

[0023] Figure 5 is a three-dimensional diagram of the bracket in the embodiment in direction 2;

[0024] Figure 6 is a cross-sectional view of the bracket in the embodiment. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example: Figure 1-6As shown, the energy-concentrating electromagnetic heating plate includes a bracket 1, a magnetic strip 2, a magnetic ring 3 and a coil (not marked in the figure), the coil is arranged on the top surface of the bracket 1, and a magnetic ring groove 101 and a magnetic strip groove 102 are arranged on the bottom surface of the bracket 1, the magnetic ring groove 101 is located at the center of the bracket 1, the magnetic strip groove 102 has a radial groove portion 103 and an axial groove portion 104 that are interconnected, the radial groove portion 103 is located on one side of the magnetic ring groove 101 and extends toward the outer edge of the bracket 1 in the radial direction of the bracket 1, the axial groove portion 104 extends upward from one end of the radial groove portion 103 adjacent to the outer edge of the bracket 1, the magnetic strip 2 is accommodated in the magnetic strip groove 102 and matches the shape of the magnetic strip groove 102, and the magnetic ring 3 is accommodated in the magnetic ring groove 101. The utility model provides an energy-gathering electromagnetic heating plate to solve the problem that the existing electromagnetic heating plate has low power because a magnetic component 1 is arranged at the center position of the top surface of a bracket to generate vertical magnetic flux lines, and a magnetic component 2 is arranged at the bottom surface of the bracket to generate horizontal magnetic flux lines, and an enveloping magnetic field is not formed. The utility model mainly arranges a magnetic ring 3 at the center position of a bracket 1 and arranges a magnetic strip 2 into an L-shaped magnetic strip that first extends outward from the magnetic ring 3 and then extends upward, so that the vertical magnetic flux lines generated by the magnetic ring 3 at the center position of the bracket 1, the horizontal magnetic flux lines generated by the magnetic strip 2, and the vertical magnetic flux lines generated on the extension of the bracket 1 form an enveloping magnetic field, thereby improving the heating power of the energy-gathering electromagnetic heating plate. Compared with the existing heating disk in which the magnetic component 1 and the magnetic component 2 are arranged on the top and bottom surfaces of the bracket respectively, during the assembly process, the magnetic component 1 needs to be assembled on the top surface of the bracket and the bracket can be flipped over to install the magnetic component 2 after the glue is completely dried. The utility model realizes the synchronous assembly of the magnetic strip 2 and the magnetic ring 3 by configuring the magnetic ring groove 101 for accommodating the magnetic ring 3 and the magnetic strip groove 102 for accommodating the magnetic strip 2 on the bottom surface of the bracket 1, which simplifies the assembly steps and saves assembly time while improving the assembly efficiency and heating power. Specifically, the magnetic strip 2 and the magnetic ring 3 are made of magnetic material, and the coil is wound by copper wire or aluminum wire. The heating disk using the above structure can still achieve the power of the existing heating disk by replacing the material of the coil from copper wire to aluminum wire, and replacing the material of the magnetic ring 3 and the magnetic strip 2 from high-conductivity magnets to ordinary magnets, effectively reducing the production cost.

[0027] In the embodiment of the utility model, the magnetic ring groove 101 is an annular groove arranged at the center of the bracket 1, and the magnetic ring 3 is an annular magnetic component accommodated in the magnetic ring groove 101. Compared with the existing magnetic ring groove 101 and magnetic ring 3 composed of a plurality of arc segments arranged at intervals, the above-mentioned configuration improves the magnetic field strength by configuring the magnetic ring groove 101 as an annular groove and the magnetic ring 3 as an annular magnetic component, thereby further improving the power of the heating plate.

[0028] In the embodiment of the utility model, the magnetic stripe slots 102 and the magnetic stripe 2 are both multiple and one-to-one corresponding, and the multiple magnetic stripe slots 102 include multiple main slots 105 and multiple auxiliary slots 106, the multiple main slots 105 extend radially from the magnetic ring slot 101 toward the outer edge of the bracket 1, and the multiple auxiliary slots 106 are arranged between two adjacent main slots 105 and extend radially toward the outer edge of the bracket 1. The above arrangement improves the magnetic field strength and the power of the heating disk by configuring the magnetic stripe slots 102 into multiple strips and radially distributing them on the bracket 1 with the magnetic ring slot 101 as the center, and configuring the multiple magnetic stripe slots 102 into multiple main slots 105 extending radially from the magnetic ring slot 101 toward the outer edge of the bracket 1 and multiple auxiliary slots 106 arranged between two adjacent main slots 105 and extending radially toward the outer edge of the bracket 1.

[0029] In the embodiment of the utility model, the bracket 1 has an outer ring portion 107 adjacent to its outer edge, the outer ring portion 107 protrudes from the top surface of the bracket 1 and extends around the axis of the magnetic ring groove 101, and a plurality of shaft groove portions 104 are arranged at intervals in the circumferential direction of the outer ring portion 107 and are connected to the top surface of the bracket 1. Since the plurality of shaft groove portions 104 are arranged on the outer ring portion 107 protruding from the top surface of the bracket 1 and extending around the axis of the magnetic ring groove 101 and are connected to the top surface of the bracket 1, the magnetic field formed by the magnetic strip 2 at the outer edge of the bracket 1 has a large magnetic field strength and good envelopment.

[0030] In the embodiment of the utility model, the magnetic ring groove 101 extends from bottom to top and protrudes from the top surface of the bracket 1 to form an inner ring portion 108, and the outer ring portion 107 and the inner ring portion 108 cooperate with the top surface of the bracket 1 to form a coil groove 109 for accommodating the coil. Since the magnetic ring groove 101 protrudes from the top surface of the bracket 1 to form the inner ring portion 108 that cooperates with the outer ring portion 107 to form the coil groove 109, the coil assembly is stable while making the overall structure of the bracket 1 compact and reasonable.

[0031] In the embodiment of the utility model, a plurality of partition plates 110 are provided at the bottom of the coil slot 109, and the plurality of partition plates 110 extend around the axis of the magnetic ring slot 101 and are spaced apart in the radial direction of the magnetic ring slot 101 to divide the coil slot 109 into a plurality of interconnected winding slots 111. The above arrangement is provided in the coil slot 109 with a plurality of partition plates 110 that divide the coil slot 109 into a plurality of interconnected winding slots 111, so that the coil assembly is stable and heat dissipation is facilitated.

[0032] In the embodiment of the utility model, the outer ring part 107 is provided with an upper wire outlet 112 connected to the coil slot 109 between two adjacent shaft slots 104, and an upper winding 113 is provided on one side of the upper wire outlet 112. The outer ring part 107 is provided with a lower wire outlet 114 between two adjacent shaft slots 104, and a lower winding 115 is provided on one side of the lower wire outlet 114. The upper wire outlet 112 is adjacent to the lower wire outlet 114. The above arrangement facilitates coil lead-in by arranging the upper wire outlet 112 and the lower wire outlet 114 between two adjacent shaft slots 104, arranging the upper winding 113 on one side of the upper wire outlet 112, and arranging the lower winding 115 on one side of the lower wire outlet 114.

[0033] In the embodiment of the utility model, the bracket 1 is provided with a heat dissipation hole 116 between two adjacent magnetic stripe slots 102. The above arrangement provides a good heat dissipation effect for the coil by providing the heat dissipation hole 116 between two adjacent magnetic stripe slots 102, and is convenient for coil lead-in.

[0034] In the embodiment of the utility model, the bracket 1 is a disc bracket, and the bracket 1 is provided with an assembly through hole 117 coaxially arranged therewith. The magnetic ring groove 101 is arranged outside the assembly through hole 117 and coaxially arranged therewith. The outer diameter of the bracket 1 is not greater than 160 mm.

[0035] It should be understood that the terms "first", "second", etc. are used in the present invention to describe various information, but such information should not be limited to these terms, and these terms are only used to distinguish the same type of information from each other. For example, without departing from the scope of the present invention, the "first" information may also be referred to as the "second" information, and similarly, the "second" information may also be referred to as the "first" information. In addition, the terms "center of a circle", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] As described above, one or more implementation methods are provided in combination with specific contents, and the specific implementation of the utility model is not limited to these descriptions. Any method, structure, etc. similar to or identical to the method, structure, etc. of the utility model, or some technical deductions or replacements made on the premise of the concept of the utility model should be regarded as the protection of the utility model.

Claims

1. An energy-gathering electromagnetic heating plate, comprising a magnetic strip, a magnetic ring, a coil and a bracket, characterized in that: The coil is arranged on the top surface of the bracket, and a magnetic ring groove and a magnetic stripe groove are arranged on the bottom surface of the bracket. The magnetic ring groove is located at the center of the bracket, and the magnetic stripe groove has a radial groove portion and an axial groove portion that are interconnected. The radial groove portion is located on one side of the magnetic ring groove and extends toward the outer edge of the bracket in the radial direction of the bracket, and the axial groove portion extends upward from one end of the radial groove portion adjacent to the outer edge of the bracket. The magnetic stripe is accommodated in the magnetic stripe groove and matches the shape of the magnetic stripe groove, and the magnetic ring is accommodated in the magnetic ring groove.

2. The energy-concentrating electromagnetic heating plate according to claim 1, characterized in that: The magnetic stripe slots and the magnetic stripes are both multiple and correspond one to one. The multiple magnetic stripe slots include multiple main slots and multiple auxiliary slots. The multiple main slots extend radially from the magnetic ring slot toward the outer edge of the bracket, and the multiple auxiliary slots are arranged between two adjacent main slots and extend radially toward the outer edge of the bracket.

3. The energy-concentrating electromagnetic heating plate according to claim 2, characterized in that: The bracket has an outer ring portion adjacent to its outer edge, the outer ring portion protrudes from the top surface of the bracket and extends around the axis of the magnetic ring groove, and a plurality of shaft groove portions are spaced apart in the circumferential direction of the outer ring portion and communicated with the top surface of the bracket.

4. The energy-concentrating electromagnetic heating plate according to claim 3, characterized in that: The magnetic ring groove extends from bottom to top and protrudes from the top surface of the bracket to form an inner ring portion, and the outer ring portion and the inner ring portion cooperate with the top surface of the bracket to form a coil groove for accommodating the coil.

5. The energy-concentrating electromagnetic heating plate according to claim 4, characterized in that: A plurality of partition plates are arranged at the bottom of the coil slot, and the plurality of partition plates extend around the axis of the magnetic ring slot and are spaced apart in the radial direction of the magnetic ring slot to divide the coil slot into a plurality of winding slots connected to each other.

6. The energy-concentrating electromagnetic heating plate according to claim 4, characterized in that: The outer ring portion is provided with an upper wire outlet communicating with the coil slot between two adjacent shaft slot portions, and an upper winding piece is provided on one side of the upper wire outlet; The outer ring portion is provided with a lower wire outlet between two adjacent shaft groove portions, and a lower winding piece is provided at one side of the lower wire outlet.

7. The energy-concentrating electromagnetic heating plate according to claim 2, characterized in that: The bracket is provided with a heat dissipation hole between two adjacent magnetic strip grooves.

8. The energy-concentrating electromagnetic heating plate according to claim 1, characterized in that: The magnetic strip and the magnetic ring are made of magnetic material; and / or the coil is wound by copper wire or aluminum wire; and / or the magnetic ring groove is an annular groove arranged at the center position of the bracket, and the magnetic ring is an annular magnetic part accommodated in the magnetic ring groove.

9. The energy-concentrating electromagnetic heating plate according to claim 1, characterized in that: The bracket is a disc bracket, and is provided with an assembly through hole coaxially arranged therewith. The magnetic ring groove is arranged outside the assembly through hole and coaxially arranged therewith. The outer diameter of the bracket is not greater than 160 mm.

Images