KR20140025647A - Heating unit of electric cook-top - Google Patents

Abstract

The present invention relates to an electric cook-top heating unit which is one of the cookers. The electric cook-top heating unit according to the present invention comprises a case having a receiving space formed therein; a pair of heating elements of wire rods which are contained in the case to generate heat and are spaced from each other in the up and down direction; a heating element support rack for supporting the heating elements to be spaced from each other in the up and down direction and supporting the heating element in the lower side to be spaced from the bottom surface of the case; and a reflective plate which is formed in least either the side surface or the bottom surface of the case and emits upward radiant heat generated in the side surface and the lower surface of each heating element. The electric cook-top heating unit of the present invention is able to improve radiant heat emission efficiency of the heating element and improve the freedom degree and integration degree of layout of the heating elements, thereby improving heating efficiency and providing uniform heating, fast heating and high heating.

Description

Electric cooktop heating element unit {HEATING UNIT OF ELECTRIC COOK-TOP}

The present invention relates to an electric cooktop heating element unit which is one of the cookers.

In general, the electric cooktop is an environmentally friendly, low carbon, low pollution cooking utensil, safe and hygienic, no harmful gases or soot, no oxygen deficiency or carbon monoxide emissions, so you can always cook in a clean and comfortable environment. It is recognized as an energy-saving product because of the short time to reach the maximum thermal power by using new material of heat source and maintaining a constant temperature by using temperature sensor.

In addition, it is easy to clean by applying silk printing on heat-resistant special ceramic tempered glass, and it is designed to be close to the sink stand, and it is also beautiful in appearance.

The electric cooktop is composed of a cooktop case forming an exterior, a heating element fixed to the cooktop case to radiate high-temperature radiant heat, and a glass plate provided on the upper side of the cooktop case to place a cooking vessel. The cooking vessel is heated while the radiant heat is released and food is cooked.

However, since the ribbon heating element of the conventional electric cooktop supports the lower portion of the ribbon heating element on the cake surface, which is a heat-insulating component powder, and heats the cooking vessel only by radiant heat emitted from the upper surface of the ribbon heating element, the heating efficiency is deteriorated. have.

In addition, since the heating elements of the conventional electric cooktop are arranged in a flat shape at a predetermined interval to prevent the short circuit or short circuit, the heating element unit size should be increased for high output heat, so it has a limitation in increasing the heating capacity of the electric cooktop. There is a problem that the degree of freedom and degree of integration is not high, uniform heating is difficult and the heating efficiency is lowered.

The present invention has been made to solve the problems of the prior art as described above, and an object thereof is to provide an electric cooktop heating element unit that can improve the radiant heat emission efficiency of the heating element.

The present invention also provides an electric cooktop heating element unit which prevents electric short circuits or short circuits of the heating element and improves the degree of freedom and integration of the heating element plane arrangement, thereby increasing the amount of heat generated, improving heating efficiency, and enabling rapid heating. have.

The problem to be solved by the present invention is not limited to the above-mentioned problem, another problem to be solved by the present invention not mentioned herein is to those skilled in the art from the following description. It will be clearly understood.

Electric cooktop heating element unit according to the present invention, the case forming a receiving space; A heating element accommodated in the case to generate heat and formed of a pair of wire rods spaced apart from each other in the vertical direction; A heating element support for supporting a pair of heating elements spaced apart in the vertical direction, and supporting the lower heating elements so as to be spaced apart from the bottom surface of the case; And a reflecting plate formed on at least one of the side surfaces or the bottom surface of the case and discharging upwardly the radiant heat generated from the side surfaces and the bottom surfaces of the pair of heating elements.

In addition, the heating element of the present invention is characterized in that at least any one of the coil heater type, wave ribbon heater type, flat ribbon heater type or halogen heater type.

In addition, each of the pair of heating elements of the present invention is characterized by forming a planar arrangement shape of at least one of zigzag or spiral.

In addition, the heating element support of the present invention, a plurality of support ribs extending outwards from the center of the case or arranged side by side in the horizontal direction, and further protrudes downward from the lower surface of the support ribs to support the support ribs spaced apart from the lower surface of the case It includes a projection, the heating element is characterized in that it comprises an upper heating element fastened to the upper side of the support rib, and a lower heating element fastened to the lower side of the support rib.

In addition, an upper groove recessed downward is provided on the upper surface of the support rib of the present invention, and a lower groove recessed upward is provided on the lower surface of the support rib, the upper heating element is fastened to the upper groove, and the lower heating element is fastened to the lower groove. It is characterized by.

In addition, the upper and lower grooves are formed at positions adjacent to each other in the horizontal direction so that the upper heating element and the lower heating element do not overlap each other in the vertical direction.

In addition, an upper groove recessed downward in the upper surface of the support rib of the present invention is provided, and a lower groove recessed deeper than the upper groove adjacent to the upper groove on the upper surface of the support rib is provided, the upper heating element is fastened to the upper groove , The lower heating element is characterized in that it is fastened to the lower groove.

In addition, in order to fasten the heating element of the present invention to the heating element support, in a state where the heating element is inserted into the groove of the heating element support, a heating element fixing cover for fixing to the groove of the heating element support is mounted on the upper or lower side of the heating element support, or the heating element is a heating element In the state of being inserted into the groove of the support, the bonding of the heating element to the heating element support using a ceramic bond, or extending the end of the groove of the heating element support formed in the vertical direction laterally and the end of the laterally extending groove in the vertical direction again It extends, it is characterized in that the heating element is mounted on the end of the groove extending in the vertical direction again.

In addition, an upper hole penetrating the upper side of the support rib of the present invention is provided, a lower hole penetrating the lower side of the support rib is provided, the upper heating element is fastened to the upper hole, the lower heating element is fastened to the lower hole. It features.

In addition, the upper and lower holes are formed at positions adjacent to each other in the horizontal direction so that the upper and lower heating elements of the present invention do not overlap each other in the vertical direction.

In addition, a support ring formed in a ring shape on the outside of the heating element support of the present invention, and an auxiliary support bar extending from the support ring between the two support ribs, characterized in that it further comprises a heating element auxiliary support for supporting the heating element .

In addition, the heating element support of the present invention is characterized in that it comprises a support rod which is formed in a rod shape extending in the vertical direction of the case and the upper and lower pairs of heating elements are respectively wound and fixed to the upper side and the lower side.

In addition, the support rod of the present invention is characterized in that a plurality is formed along the inner periphery of the case, or is formed in a plurality spread along the planar arrangement of the heating element.

In addition, the upper surface of the reflecting plate of the present invention is characterized by forming a concave curved shape.

In addition, the lower side of the heating element support of the present invention is characterized in that the central portion protrudes further downward than the peripheral portion along the shape of the reflecting plate.

In addition, the electric cooktop heating element unit of the present invention is characterized in that at least one or more layers of heating elements are further formed in the vertical direction of the pair of heating elements.

By the means for solving the above problems, the electric cooktop heating element unit of the present invention can improve the radiant heat emission efficiency of the heating element.

In addition, the electric cooktop heating element unit of the present invention can improve the degree of freedom and the degree of integration of the heating element plane arrangement, while preventing electrical shorts or short circuits of the heating element, thereby improving the heating efficiency and uniform heating, rapid heating, High heat generation is possible.

1 is a perspective view showing an electric cooktop according to a first embodiment of the present invention.
2 is a cross-sectional view of the electric cooktop heating element unit according to the first embodiment of the present invention.
3 is a view showing the types of heating elements that can be used in the electric cooktop heating element unit according to the first embodiment of the present invention.
4 to 6 are views showing a planar arrangement of the heating element and the heating element support according to the first embodiment of the present invention.
7 to 9 are a perspective view and a cross-sectional view showing a fastening structure of the heating element and the heating element support according to the first embodiment of the present invention.
10 to 12 are perspective views and cross-sectional views showing various structures and shapes for fixing the heating element to the groove of the heating element support according to the first embodiment of the present invention.
13 and 14 are a perspective view and a cross-sectional view showing another fastening structure of the heating element and the heating element support according to the first embodiment of the present invention.
15 is a view showing a heating element auxiliary support of the electric cooktop heating element unit according to the first embodiment of the present invention.
16 and 17 are views illustrating a heating element and a heating element support of the electric cooktop heating element unit according to the second embodiment of the present invention.
18 is a cross-sectional view of an electric cooktop heating element unit according to a third embodiment of the present invention.

Specific matters including the problem to be solved, the solution to the problem, and the effects of the present invention as described above are included in the embodiments and drawings to be described below. Advantages and features of the present invention and methods for achieving them will be apparent with reference to the embodiments described below in detail with the accompanying drawings.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the accompanying drawings.

≪ Embodiment 1 >

1 to 15 are views for explaining an electric cooktop heating element unit according to a first embodiment of the present invention. Specifically, FIG. 1 is a perspective view showing an electric cooktop according to a first embodiment of the present invention, FIG. 2 is a cross-sectional view of an electric cooktop heating element unit according to a first embodiment of the present invention, and FIG. 3 is a first embodiment of the present invention. 4 is a view illustrating types of heating elements that may be used in an electric cooktop heating element unit according to an example, and FIGS. 4 to 6 are views illustrating a planar arrangement of the heating element and the heating element support according to the first embodiment of the present invention, and FIGS. 9 is a perspective view and a cross-sectional view showing a fastening structure of the heating element and the heating element support according to the first embodiment of the present invention, Figures 10 to 12 is a variety of fixing the heating element in the groove of the heating element support according to the first embodiment of the present invention 13 and 14 are a perspective view showing another fastening structure of the heating element and the heating element support according to the first embodiment of the present invention. Shaving and, Figure 15 is a view showing the heating element of the auxiliary support cooktop electric heating unit according to the first embodiment of the present invention.

1 to 15, the electric cooktop heating element unit according to the first embodiment of the present invention includes a case 110, a heating element 120, a heating element support 130, and a reflecting plate 140.

The case 110 forms a receiving space of other components such as the heating element 120, the heating element support 130, the reflector plate 140, and the like. The case 110 is formed of a container-shaped heat insulating material having an upper side open to prevent radiant heat generated from the heating element 120 from being discharged to the remaining spaces of the side and the bottom except the upper part. On the upper side of the case 110 is formed a glass plate 150 for receiving the heat to heat the cooking vessel.

The heating element 120 is accommodated in the case 110 to generate heat, and is formed of a pair of wire rods spaced apart from each other in the vertical direction, that is, the upper heating element 121 and the lower heating element 122. Here, the heating element 120 may be used as the wire of the coil heater type 120a, as shown in (a) of FIG. 3, and the wave ribbon heater type (120b) of the wave ribbon heater type (120b) as shown in (b) of FIG. It can be used as a wire rod, can be used as a wire of the flat ribbon heater type 120c as shown in (c) of Figure 3, the wire of the halogen heater type (120d) as shown in Figure 3 (d) Can also be used as

Moreover, the planar arrangement shape of the heat generating body 120 can be arrange | positioned spirally returning to the exterior from the center part like FIG. 4 and FIG. Here, the planar shape of the heating element 120 is formed in a circular or polygonal shape according to the shape of the heating element support 130. In addition, the planar arrangement of the heating element 120 may be arranged in a zigzag form from one end of the side surface to the other end of the side surface as shown in FIG. 6, and the planar shapes of the heating element 120 at this time are arranged at regular intervals. To form.

According to such a planar arrangement shape, the degree of integration of the heating element 120 can be improved, and the uniformity of the arrangement can also be improved. At this time, the heating element 120 is disposed so as not to overlap with each other due to the characteristics of the electric wire.

The heating element support 130 supports the pair of heating elements 121 and 122 to be spaced apart from each other in the vertical direction, and supports the lower heating element 122 to be spaced apart from the bottom surface of the case 110. In detail, the heating element support 130 includes a plurality of support ribs 131 extending outward from the center of the case 110 as shown in FIGS. 4 and 5, or arranged side by side in the horizontal direction as shown in FIG. 6. The upper heating element 121 is fastened to the upper side of the support rib 131, and the lower heating element 122 is fastened to the lower side of the support rib 131 to separate the upper and lower heating elements 121 and 122 from each other in the vertical direction. Can be.

In addition, the heating element support 130 further includes a support protrusion 132 that further protrudes downward from the lower surface of the support rib 131 to separate the support rib 131 from the lower surface of the case 110, and thus the lower heating element 122. ) May be spaced apart from the bottom surface of the case 110.

Meanwhile, the fastening structure and shape of the heating element 120 and the heating element support 130, and a fixing structure for firmly fixing the heating element 120 to the heating element support 130 will be described in more detail with reference to FIGS. 7 to 14. Let's explain.

The reflector plate 140 is formed on at least one of the side surfaces or the bottom surface of the case 110, and allows the radiant heat generated from the side and bottom surfaces of each of the pair of heating elements 121 and 122 to be upwardly discharged. Due to the structure, the heat generating element 120 is spaced apart from the bottom surface of the case 110 and radiant heat is emitted from the side and bottom surfaces of the heat generating element 120 to be incident on the reflecting plate 140, and radiant heat (' Radiated electromagnetic waves) is reflected to radiate heat to the upper glass plate 150. Therefore, the radiant heat from the entire heating element front can be discharged upward without waste of radiant heat from the conventional heating element side and lower surface, thereby improving the heating efficiency of the electric cooktop heating element unit.

In addition, in the first embodiment of the present invention, the heating elements 121 and 122 are formed on the upper side and the lower side of the heating element support 130, respectively, so as not only to directly radiate radiant heat upwards, but also to reflect through the lower reflecting plate 140. By also increasing the radiant heat amount, the heating efficiency of the electric cooktop heating element unit can be further improved. Accordingly, rapid heating is possible and there is an advantage in high heat generation.

Such a double fastening structure of the upper and lower heating elements 121 and 122 fastened to the heating element support 130 will be described in detail as follows.

As shown in FIG. 7 and FIG. 8, the heating element support 130 further protrudes downward from the lower surface of the support rib 131 and the plurality of support ribs 131 extending outward from the center of the case. And a support protrusion 132 that separates the rib 131 from the lower surface of the case, and an upper groove 133a recessed downward is provided on the upper surface of the support rib 131, and is disposed upward on the lower surface of the support rib 131. It is provided with a lower groove (133b) to be recessed. Here, the support protrusion 132 may be formed in a ring shape at the outer end of the heating element support 130.

Accordingly, the heating element 120 includes an upper heating element 121 fastened to the upper groove 133a and a lower heating element 122 fastened to the lower groove 133b. At this time, the upper heating element 121 and the lower heating element 122 may be connected by a continuous wire rod so as to be integrally on / off control, electrically separated from each other so that the upper side and the lower side can be controlled on / off separately. It is also possible to configure the wire rod.

In addition, it is preferable that the upper groove 133a and the lower groove 133b are adjacent to each other in the horizontal direction so that the upper heating element 121 and the lower heating element 122 do not overlap each other in the vertical direction. That is, the upper heating element 121 and the lower heating element 122 may be formed at positions adjacent to each other in the longitudinal direction from the case center of the support rib 131 to the outer case of the case and may be disposed at different positions in the vertical direction. Accordingly, the radiant heat emitted in the vertical direction of the upper heating element 121 and the lower heating element 122 can be efficiently discharged without overlapping each other.

As another example of the heating element supporter, as illustrated in FIG. 9, the heating element supporter 130 includes a plurality of support ribs 131 extending downward from the center of the case and downward from the bottom surface of the support rib 131. It further protrudes and includes a support protrusion 132 spaced apart from the lower surface of the support rib 131, the upper groove 134a recessed downward on the upper surface of the support rib 131 is provided, the support rib 131 The lower groove 134b is provided adjacent to the upper groove 134a and recessed deeper than the upper groove 134a on the upper surface of the heating element 120, and the upper heating element 121 fastened to the upper groove 134a and the lower side. It is possible to include a lower heating element 122 fastened to the groove 134b. Even in this case, the radiant heat emitted in the vertical direction of the upper heating element 121 and the lower heating element 122 can be efficiently discharged without overlapping each other.

On the other hand, in the first embodiment of the present invention in order to firmly fix the heating element 120 to the upper groove (133a), lower groove (133b), upper groove (134a) or lower groove (134b) of the heating element support 130. 10, in a state in which the heating element 120 is inserted into the grooves 133a, 133b, 134a, and 134b of the heating element support 130, the heating element fixing cover 135 is disposed above or on the heating element support 130. It is possible to be mounted on the lower side. At this time, in order to reinforce the fastening force of the heating element support 130 and the heating element fixing cover 135, it is also possible to further form a fixing cover latch 136 on the side of the heating element support 130.

In particular, in the case of the upper groove 134a and the lower groove 134b having different depths as shown in FIG. 9, as shown in FIG. 10B, the upper heating element 121 is fixed to the upper groove 134a and the lower heating element ( In order to fix the 122 to the lower groove 134b, it is preferable that heating element fixing covers 135 having different lengths of neighboring fixtures are mounted on the heating element support 130.

In addition, as shown in FIG. 11, in the state where the heating element 120 is inserted into the grooves 133a, 133b, 134a, and 134b of the heating element support 130, the heating element 120 and the heating element support (using the ceramic bond 137) ( It is also possible to bond 130).

In addition, in the first embodiment of the present invention to firmly fix the heating element 120 to the upper groove 133a, the lower groove 133b, the upper groove 134a or the lower groove 134b of the heating element support 130. To extend the end of the groove of the heating element support 130 formed in the vertical direction laterally and extend the end of the laterally extended groove in the vertical direction again, the heating element 120 is mounted on the end of the groove extending in the vertical direction again It is also possible. For example, as shown in FIG. 12, the upper groove 133a is provided downward on the upper surface of the heating element support 130, and the side groove 133a-1 extending laterally from the upper groove 133a is provided, and the side groove is provided. An upper groove 133a-2 extending upward from 133a-1 is provided, and the heat generating element 120 can be firmly mounted to the upper groove 133a-2.

As described above, in the first embodiment of the present invention, the upper heating element 121 and the lower heating element 122 may be firmly and stably mounted on the heating element support 130.

As a modified example of the heating element support, as shown in FIGS. 13 and 14, the heating element support 130 may include a plurality of support ribs 131 extending from the center of the case to the outside and a support rib 131. And a support protrusion 132 which further protrudes downward from the lower surface to separate the support rib 131 from the lower surface of the case, and has an upper hole 138a passing through the upper side of the support rib 131. A lower hole 138b penetrating the lower side of the side surface 131 is provided.

Accordingly, the heating element 120 includes an upper heating element 121 fastened to the upper hole 138a and a lower heating element 122 fastened to the lower hole 138b. Even in this case, the upper heating element 121 and the lower heating element 122 may be connected by a continuous wire rod so as to be integrally controlled on / off, and electrically connected to each other so that the upper side and the lower side can be controlled on / off separately. It is also possible to construct a separate wire rod.

In addition, it is preferable that the upper hole 138a and the lower hole 138b are formed at positions adjacent to each other in the horizontal direction so that the upper heating element 121 and the lower heating element 122 do not overlap each other in the vertical direction. Accordingly, the radiant heat emitted in the vertical direction of the upper heating element 121 and the lower heating element 122 can be efficiently discharged without overlapping each other.

On the other hand, in the first embodiment of the present invention, as shown in Figure 15, the support ring 161 formed in a ring shape on the outside of the heating element support 130, and the two support of the heating element support 130 from the support ring 161 It is possible to further include a heating element auxiliary support 160 for supporting the heating element 120, including a bar supporting auxiliary bar 162 extending between the ribs (bar).

As such, by further providing the heating element auxiliary support 160, it is possible to prevent sagging of the heating element 120 not supported by the heating element support 130.

Second Embodiment

16 and 17 are views showing the heating element and the heating element support of the electric cooktop heating element unit according to the second embodiment of the present invention, in the second embodiment of the present invention the structure of the first embodiment and the heating element support and Different layout.

Specifically, as shown in Figure 16, the heating element support 230 is formed in a rod shape extending in the vertical direction of the case, the upper and lower pair of heating elements (221, 222) are respectively supported on the upper side and the lower side of the support rod fixed 231.

In this case, a plurality of support bars 231 may be formed along the inner periphery of the case (refer to FIG. 16), or may be formed in a plurality of points at the point where the load is applied along the planar layout of the heating element 220. Accordingly, the heating element 220 may be fixed in a zigzag manner between the neighboring heating element supports 230.

In addition, as shown in FIG. 17, the heating element support 230 includes a plurality of support rods 231 formed along the inner periphery of the case, a plurality of support ribs 232 arranged side by side in the horizontal direction from the inside of the support rod 231, and It is possible to include a support protrusion (not shown) that separates the support rib 232 from the lower surface of the case. This combines the planar arrangement of the heating elements and the structure of the heating element support of each of the heating elements of Figure 6 and 16, can achieve a more stable and robust heating element support structure. Here, the fastening and fixing structure of the upper and lower heating elements and the support ribs is in accordance with the structure and shape of Figs.

Third Embodiment

18 is a cross-sectional view of an electric cooktop heating element unit according to a third embodiment of the present invention.

As shown in FIG. 18, the upper surface of the reflector 340 according to the third embodiment of the present invention is formed to have a concave curved shape. Accordingly, it is possible to reduce diffuse reflection to the side, and improve the emission efficiency of radiant heat by concentrating upward.

In this case, the lower side of the heating element support 330 is also formed so that the center of the upper surface of the reflecting plate 340 concave downward more than the periphery along the concave curved shape, the lower heating element 322 also the center of the heating element support 330 Is fastened to be positioned below the periphery. Accordingly, since the lower heating element 322 and the reflecting plate 340 have the same separation distance, the reflection is uniform, thereby further improving the heating efficiency of the electric cooktop heating element unit.

In addition, the specific structure and shape for forming the heating element according to the third embodiment of the present invention on the upper side and the lower side of the heating element support, respectively, according to the structure of FIGS. 8 to 14 and the structure of FIGS. 16 and 17. That is, the structures of FIGS. 8 to 14 and the structures of FIGS. 16 and 17 are applied to the planar reflector 140 of FIG. 2, and the structure of the curved reflector 340 of FIG. Only the shape of the heating element support is slightly different, of course, the above-described heating element support can be applied.

In this way, the electric cooktop heating element unit of the present invention can improve the radiant heat dissipation efficiency of the heating element, and can improve the degree of freedom and integration of the heating element plane arrangement, thereby improving the heating efficiency and uniform heating, rapid heating, accusation Deterioration and the like are possible.

<Other Embodiments>

(A) In the electric cooktop heating element unit according to another embodiment of the present invention, at least one layer of heating elements may be further formed in the vertical direction of the pair of heating elements. That is, in the first to third embodiments described above, an example is given regarding the structure of the upper and lower two-row array heating elements. It may be formed in a plurality of layers as well.

(B) Meanwhile, in the embodiment of the present invention, when the planar layout structure of the heating element of FIG. 6 and the fastening structure of the heating element support of FIG. 14 are applied, electric short circuits and short circuits of the heating element are prevented to the maximum, and the degree of freedom of the planar layout of the heating element and The degree of integration was optimized, and the experiment showed that it showed the best heating efficiency in many aspects such as uniform heating, rapid heating, and high heat generation.

As described above, it is to be understood that the technical structure of the present invention can be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention.

Therefore, it should be understood that the above-described embodiments are to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than the foregoing description, All changes or modifications that come within the scope of the equivalent concept are to be construed as being included within the scope of the present invention.

110: Case
120, 120a, 120b, 120c, 120d, 121, 122, 220, 221, 222, 322: heating element
130, 230, 330: heating element support
131, 232: support rib
132: support protrusion
133a, 133a-1, 133a-2, 133b, 134a, 134b: home
135: fixing cover
136: fixing cover latch
137: Ceramic Bond
138a, 138b: hall
140, 340: reflector
150: glass plate
160: heating element auxiliary support
161: support ring
162: auxiliary support bar
231: support rod

Claims (16)

A case forming an accommodation space;
A heating element accommodated in the case to generate heat and formed of a pair of wire rods spaced apart from each other in the vertical direction;
A heating element support for supporting the pair of heating elements spaced apart in the vertical direction, and supporting the lower heating elements so as to be spaced apart from the bottom surface of the case; And
A reflection plate formed on at least one surface of a side surface or a bottom surface of the case, and configured to emit upwardly radiant heat generated from each side and bottom surface of each of the pair of heating elements;
Electric cooktop heating element unit comprising a. The method of claim 1,
The heating element is at least one of a coil heater type, wave ribbon heater type, flat ribbon heater type or halogen heater type electric cooktop heating element unit. The method of claim 1,
Each of the pair of the heating element is an electric cooktop heating element, characterized in that forming a planar arrangement of at least one of zigzag or spiral. The method of claim 1,
The heating element support includes a plurality of support ribs extending outwardly from the center of the case or arranged side by side in a horizontal direction, and further protruding downward from the lower surface of the support rib to separate the support ribs from the lower surface of the case. Includes protrusions,
The heating element includes an upper heating element fastened to the upper side of the support ribs, and a lower heating element fastened to the lower side of the support ribs. 5. The method of claim 4,
An upper groove recessed downward is provided on an upper surface of the support rib, and a lower groove recessed upward is provided on a lower surface of the support rib, and the upper heating element is fastened to the upper groove, and the lower heating element is connected to the lower groove. Electric cooktop heating element unit characterized in that fastening. 6. The method of claim 5,
And the upper groove and the lower groove are adjacent to each other in the horizontal direction so that the upper heating element and the lower heating element do not overlap each other in the vertical direction. 5. The method of claim 4,
An upper groove recessed downward is provided on an upper surface of the support rib, and a lower groove recessed deeper than the upper groove adjacent to the upper groove on the upper surface of the support rib is provided, and the upper heating element is fastened to the upper groove. And the lower heating element is fastened to the lower groove. The method according to claim 5 or 7,
In order to fasten the heating element to the heating element support,
In a state in which the heating element is inserted into the groove of the heating element support, a heating element fixing cover for fixing to the groove of the heating element support is mounted on the upper or lower side of the heating element support,
While the heating element is inserted into the groove of the heating element support, bonding the heating element to the heating element support using a ceramic bond,
Extending the end of the groove of the heating element support formed in the vertical direction laterally and the end of the laterally extending groove in the vertical direction again, characterized in that the heating element is mounted on the end of the groove extending in the vertical direction again Electric cooktop heating element unit. 5. The method of claim 4,
An upper hole penetrating the upper side of the support rib is provided, a lower hole penetrating the lower side of the support rib is provided, the upper heating element is fastened to the upper hole, and the lower heating element is fastened to the lower hole. An electric cooktop heating element unit, characterized in that. 10. The method of claim 9,
And the upper hole and the lower hole are adjacent to each other in the horizontal direction so that the upper heating element and the lower heating element do not overlap each other in the vertical direction. 5. The method of claim 4,
And a heating element auxiliary support for supporting the heating element, including a support ring formed in a ring shape on the outside of the heating element support, and an auxiliary support bar extending between the two support ribs from the support ring. Cooktop heating element unit. The method according to claim 1 or 4,
The heating element support is formed in a rod-like extending in the vertical direction of the case and the upper and lower pairs of the heating element is characterized in that it comprises a support rod is fixed to each of the upper side and the lower side wound and fixed. The method of claim 12,
The support rod is formed in plurality along the inner periphery of the case, or electric cooktop heating element unit characterized in that the plurality is formed along the planar arrangement of the heating element. The method of claim 1,
The upper surface of the reflector is an electric cooktop heating element, characterized in that forming a concave curved surface. 15. The method of claim 14,
The lower side of the heating element support is an electric cooktop heating element unit, characterized in that the central portion protrudes further downward than the peripheral portion along the shape of the reflecting plate. The method of claim 1,
At least one heating element is further formed in a vertical direction of the pair of heating elements.

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