JP5488661B2 - Induction heating cooker - Google Patents

Description

  The present invention relates to an induction heating cooker.

  In this type of conventional induction heating cooker, the upper part of the main body is covered with a top plate, a cooking pan mounting part is provided on the top plate, and an intake port that is an opening for sucking outside air on the back side And an exhaust port which is an opening for exhausting the cooled air, and an operation unit is provided on the front side. The main body includes an induction heating coil, a control board that drives the induction heating coil, an air passage for cooling the induction heating coil and the control board, and a cooling fan that supplies cooling air to the air passage. .

  Further, a vent cover is provided so as to cover the intake port and the exhaust port. For example, there is a vent cover as described in Patent Document 1.

  9 and 10 show a conventional vent cover described in Patent Document 1. FIG.

  9 and 10, the cooling air is sucked from the air inlet 1 on the back side of the main body through the opening of the vent cover 2, supplied to the cooling fan 3, and the control board 4 and the induction heating coil 5 are cooled by the cooling fan. The air that has cooled the control board 4 and the induction heating coil 5 is directed to the exhaust port 6 located on the back surface of the main body as exhaust gas, and is exhausted from the exhaust port 6 through the opening of the vent cover 2. The openings 7 of the vent cover 2 that covers the vents that flow out are arranged in a hexagonal honeycomb shape and are considered to increase the opening area through which cooling air flows.

JP 2007-220565 A

  However, in the conventional configuration, the area of the opening hole 7 of the vent cover 2 is increased to increase the area for ventilation, so that the connection of the vent cover 2 is reduced, the rigidity is reduced, and cooking oil and dust are reduced. It adheres to the vent cover 2 and is deformed when washed for cleaning with a sponge or scrubber, making it impossible to set it properly on the product or causing a rattling noise. It was.

  In addition, when a pan or towel is placed on the vent cover, the vent hole is formed on a flat surface, which blocks the vent and prevents ventilation, resulting in insufficient cooling capacity in the equipment. Therefore, there was a problem that the device failed.

  In addition, there is a conventional example in which convex ribs are provided in aluminum die cast material to achieve rigidity, and the rigidity and design are harmonized, but the material is expensive and the thickness can be reduced because it is molded with a mold. However, the convex ribs are also filled with material, heavy, expensive, and expensive as parts. Further, since the base material is aluminum die-casting, the surface treatment is painted, and there is a problem that the coating is peeled off when scrubbing with scrubbing or the like at the time of cleaning.

  The present invention solves the above-described conventional problems, is inexpensive, can increase rigidity, can improve cleanability and usability, can further increase ventilation, and can improve cooling performance. An object is to provide an induction heating cooker.

In order to solve the above conventional problems, the induction heating cooker of the present invention includes a top plate for placing a cooking container, below the top plate, and heating means for heating the cooking vessel, said heating means A circuit part to be controlled and an operation part to operate the circuit part, and a vent hole for ventilating cooling air for cooling electrical components such as the circuit part is formed in a rear part of the top plate, An upper part of the vent hole is covered with a ventilated vent cover, and the vent hole cover is formed by bending a sheet metal into an uneven shape in a short direction to form an uneven bar in a longitudinal direction. Even if the cooking container is placed on the vent cover, the vent opening can be vented from the side of the vent cover, and the convex opening and the vent on the side of the vent cover can be provided. The right edge of the cover Is intended to vent the street outside air the back of the tunnel the shape of the convex portion of the crosspiece of irregularities over the left edge.

  This makes it possible to increase the rigidity of the beam with the uneven shape in the longitudinal direction compared to the conventional case, and the cooking oil and dust adhere to the vent cover and do not deform when washed for cleaning, and the cleaning property and Usability can be improved.

Moreover, since it forms with sheet metal other than the opening hole of a bottom part, the back side of a convex part is also tunnel shape, can increase ventilation | gas_flowing and can improve cooling performance. Since it is formed of a single thin sheet metal, it is light in weight, requires less material, and can be produced at low cost. Further, even if the opening hole on the bottom surface of the concave portion is blocked by a cloth, the outside air can be ventilated by the convex opening on the side surface and the tunnel shape on the back side of the convex portion.

The present invention solves the above-mentioned conventional problems, and it is inexpensive and increases rigidity by bending the vent cover into a concavo-convex shape in the short direction using a sheet metal and further providing an opening hole in the bottom surface of the dent. In addition, it is possible to provide an induction heating cooker that can improve cleanability and usability, increase ventilation, and improve cooling performance. Further, even if the opening hole on the bottom surface of the concave portion is blocked by a cloth, the outside air can be ventilated by the convex opening on the side surface and the tunnel shape on the back side of the convex portion.

Overall configuration schematic diagram of induction heating cooker in the first embodiment of the present invention The enlarged view of the state which removed the ventilation hole cover of the induction heating cooking appliance in the 1st Embodiment of this invention The arrow view of the state which set the vent cover of the induction heating cooking appliance in the 1st Embodiment of this invention Enlarged view of the vent cover and vent cover support member Arrow view with vent cover set upside down The longitudinal cross-sectional view of the roaster of the induction heating cooking appliance in the 1st Embodiment of this invention Enlarged view of left vent cover and roaster exhaust support member Cross section of left vent cover and roaster exhaust Conventional schematic diagram Partial enlarged view of a conventional vent cover

The first invention is a top plate for placing a cooking container, a heating means for heating the cooking container below the top plate, a circuit part for controlling the heating means, and an operation for operating the circuit part. A vent hole for ventilating cooling air for cooling electrical components such as the circuit part is formed in the rear part of the top plate, and a vent hole cover having a breathability is provided above the vent hole. The vent cover has a shape in which a sheet metal is bent in a concavo-convex shape in a short direction to form a concavo-convex crosspiece in a longitudinal direction, and an opening hole is formed in a bottom surface of the concave portion. Even if it is placed on the mouth cover, it is possible to vent from the side surface of the vent cover, and the convex portion opening on the side surface of the vent cover and the projection of the uneven shape extending from the right end to the left end of the vent cover. Back of convex part With that the vent streets outside air tunnel-shaped, the bar is ran rigidity longitudinally irregular shape can be increased than before, cooking oil and dust adhered to the vent cover, when the washing for cleaning In addition, the cleaning property and the usability can be improved without deformation. Moreover, since it forms with sheet metal other than the opening hole of a bottom part, the back side of a convex part is also tunnel shape, can increase ventilation | gas_flowing and can improve cooling performance. Since it is formed of a single thin sheet metal, it is light in weight, requires less material, and can be produced at low cost.

In addition, by venting outside air through the tunnel shape on the side of the vent cover and the back side of the projection, it is made of sheet metal in addition to the opening hole at the bottom, so the back side of the projection also has a tunnel shape. Furthermore, ventilation can be increased and cooling performance can be improved. Since it is formed of a single thin sheet metal, it is light in weight, requires less material, and can be produced at low cost. Further, even if the opening hole on the bottom surface of the concave portion is blocked by a cloth, the outside air can be ventilated by the convex opening on the side surface and the tunnel shape on the back side of the convex portion.

The second invention is a top plate for placing a cooking container, a heating means for heating the cooking container below the top plate, a circuit part for controlling the heating means, and an operation for operating the circuit part. And a ventilation passage for cooling air for cooling the electrical components such as the circuit portion.
An air vent is formed in the rear part of the top plate, and the air vent cover is covered with a breathable air vent cover above the air vent. The air vent cover is formed by bending a sheet metal into a concavo-convex shape in a short direction. Forming a concavo-convex shape in the direction and forming an opening hole in the bottom surface of the recess, allowing the cooking container to be vented from the side of the vent cover even when the cooking container is placed on the vent cover, and A vent cover support member for supporting the vent cover is provided at the end of the vent cover, and the convex portion of the vent cover support member is inserted into a part of the back of the convex portion of the vent cover. By doing so, when the cover is set face down, it can ride on the convex part of the support member, recognize a mistake in setting the front and back, and improve usability.

In the third invention, in particular, the back of the vent cover of the first or second invention is welded with a flat plate, so that the rigidity can be increased and the back can be recognized. Can be improved. You can also stamp it.

In the fourth aspect of the invention, in particular, the vent cover of the first or second aspect of the present invention is such that the rising surface forming the convex shape is inclined, so that sponges and scrubbing easily enter the unevenness, and the cleaning property is improved. Can be improved.

According to a fifth aspect of the present invention, in particular, the vent cover of the first or second aspect is subjected to enamel processing so that the vent cover has excellent design, is easy to clean, and is not easily rusted. Can do.

In the sixth invention, in particular, by forming the lowest end of both ends in the short direction of the vent cover of the first or second invention to be lower than the bottom surface of the bent concave portion, The height can be increased, the rigidity can be increased, the back can be recognized, and the usability can be improved. In addition, since the bottom surface of the concave portion is lifted, a space for venting is also formed below the bottom surface of the concave portion.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is an overall schematic diagram of an induction heating cooker in the first embodiment of the present invention. FIG. 2 is an enlarged view of the induction heating cooker with the vent cover removed in the first embodiment of the present invention. FIG. 3 is an arrow view of the induction heating cooker according to the first embodiment of the present invention with the vent cover set. FIG. 4 is an enlarged view of the vent cover and the vent cover support member. FIG. 5 is an arrow view of the state in which the vent cover is set upside down. 6 is a longitudinal sectional view of the roaster of the induction heating cooker in the first embodiment of the present invention. 7 is an enlarged view of the left vent cover and the roaster exhaust port vicinity support member. FIG. 8 is a cross-sectional view of the left vent cover and the roaster exhaust port.

  As shown in FIGS. 1, 2, 3, 4, 5, 6, 7, and 8, the present embodiment shows a case where the induction heating cooker is used by being incorporated in a cabinet of a system kitchen. Below the top plate 11 on which a cooking pan to be heated is placed and heated, two induction heating coils 12 are provided in front of the left and right, and one radial heater 13 is provided in the center as heating means. It has been.

  In addition, on the front surface where the user faces the induction heating device, an operation unit 14 is provided on the right side and a roaster 15 is provided on the left side. A roaster heater 16 for heating an object to be cooked such as fish is provided in the roaster 15. Is provided. Smoke generated during cooking in the roaster 15 is discharged from the exhaust chimney 17 to the outside.

  Further, on the right side of the roaster 15 in the main body 20, a circuit portion 21 for driving and controlling the induction heating coil 12 and one radial heater 13 in the center back is fixed to a resin-made substrate base 22. The base 22 is fixed to the main body 20. A fan case 23 is provided in the back of the circuit unit 21, and a fan 24 and a motor 25 for driving the fan are arranged in the fan case.

  The top plate 11 is provided with an intake port 26 on the right rear side, an exhaust port 27 on the left rear side, and a roaster exhaust port 28 on the upper portion of the roaster exhaust chimney 17 on the left side from the substantial center between the intake port 26 and the exhaust port 27. A frame 29 for holding the top plate 11 is provided.

  Further, the frame 29 includes a roaster exhaust port support member 30 on the right side of the roaster exhaust port 28 between the intake port 26 and the roaster exhaust port 28, and a vent cover support on the left and right sides of the intake port 26 and on the left side of the exhaust port 27. The member 31 is arranged. The roaster exhaust port vicinity support member 30 and the vent cover support member 31 are formed of an elastomer having rubber elasticity.

  Then, a left vent cover 32 that covers the exhaust port 27 and the roaster exhaust port 28 from approximately the center to the left end of the product and a right vent cover 33 that covers from the approximately center of the product to the right end on the intake port 26 are provided. The right vent cover 33 is supported by the vent cover support member 31 and the roaster exhaust port vicinity support member 30.

  Here, the left vent cover 32 and the right vent cover 33 are formed by bending a metal plate having a thickness of 0.6 mm, which is a steel plate for enamel, into a concavo-convex shape in the short direction, and an opening hole 35 is provided on the bottom surface 34 of the recess. The bottom ends 36 of both ends in the short direction of the cover are formed so as to be lower than the bottom surface of the bent concave portion, and the rising surface 37 constituting the convex shape is inclined at 85 ° with respect to the bottom plane, not at a right angle. A hollow plate with a thickness of 0.6 mm, which is provided with the word “back” due to the bead shape, is welded so as to connect the back side of the vent cover in the short direction, together with the vent cover. Enamel processing.

  The vent cover support member 31 has a shape in which a convex portion 39 to be inserted into a part of the rear surface of the convex portion of the vent cover is provided on a plane.

  The roaster exhaust port vicinity supporting member 30 is provided with a convex portion 40 that is substantially the same shape as the back of the vent cover convex portion and is inserted into the entire back of the vent cover convex portion on the plane, and the convex portion 40 supports the vicinity of the roaster exhaust port. It is set as the structure which seals all the locations behind the vent-portion convex part on a member.

  About the built-in heating cooker comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, the flow of wind will be described.

  First, outside air is sucked from the opening hole 35 on the bottom surface of the concave portion of the right vent cover 33 and the tunnel shape 41 on the back side of the convex portion from the side surface, and taken in from the air inlet 26 provided on the right rear side of the top plate 11. The taken-in outside air passes through the ventilation path of the fan case 23, is sucked into the fan 24 driven by the motor 25, and then discharged toward the center side of the outline of the main body 20. A part of the discharged wind has heat-generating components and is blown toward the circuit unit 21 that needs to be cooled to cool the inverter circuit, and the other part is the left induction heating coil 12 and the left that are heat-generating units. The outer shell of the roaster 15 is cooled, and then passes through the exhaust port 27 of the frame 29 provided on the left rear side of the top plate 11, and the opening hole 35 on the bottom surface of the concave portion of the left vent cover 32 and the back side of the side convex portion. It is discharged out of the tunnel shape 41.

  Here, when a pan, a cloth, or the like is placed on the left vent cover 32 or the right vent cover 33, first, the convex part of the vent cover supports the cloth, and the opening hole 35 provided on the bottom surface 34 of the concave part is provided. Prevents being blocked. Further, even if the opening hole 35 in the bottom surface 34 of the concave portion is blocked by a cloth, outside air can be vented from the tunnel shape 41 on the back side of the convex portion on the side surface. In addition, since the bottom end 36 at both ends in the short side direction of the vent cover is formed to be lower than the bent bottom surface 34 of the recessed portion, the height of both ends is increased, and the bottom surface of the concave portion is lifted, A space for venting is also formed below the bottom surface 34 of the recess, and ventilation can be further increased.

  Moreover, the uneven | corrugated shaped bar | burr sticks in a longitudinal direction, and can especially increase the rigidity of a longitudinal direction. Further, the lowermost ends 36 at both ends in the short side direction of the vent cover are formed so as to be lower than the bent bottom surface 34 of the recessed portion, so that the heights at both ends are increased and the rigidity can be further increased. In addition, since the bottom surface 34 of the concave portion is lifted, a space for venting is also formed below the bottom surface 34 of the concave portion, and the ventilation can be further increased to improve the cooling performance. Furthermore, the rigidity in the lateral direction can be increased by the flat plate 38 welded to the back. As a result, cooking oil or dust adheres to the vent cover, and when washing for cleaning, the left and right vent covers are not deformed even if the scrubbing force is applied with a sponge or scrubber.

  In addition, because it is enameled, it has a glossy surface and a beautiful appearance, and can be scrubbed with scrubbing etc., and the base metal sheet is covered with enamel, so it does not rust easily . Further, since the slope of the rising surface portion constituting the convex shape is made gentle, the scourers and sponges easily enter the irregularities and are easy to wash.

  Furthermore, since the substrate is formed of a thin sheet metal, the weight is light, the material is small, and the substrate can be manufactured at low cost.

  Since the left vent cover 32 and the right vent cover 33 are formed of uneven metal plates, even if the vent cover is heated by mistake by placing the vent cover on the top of the heating section, The grounding surface is scarce and is not easily heated by induction.

  In addition, since the convex portion 39 of the vent cover support member 31 is inserted into a part of the back of the convex portion of the vent cover, the convex portion of the vent cover becomes the vent cover when the vent cover is set face down. It can ride on the convex part 39 of the support member 31, and can make a user recognize the setting mistake of front and back.

  Further, by forming the bottom end 36 at both ends in the short side direction of the vent cover so as to be lower than the bottom surface of the bent concave portion, the height at both ends is increased and the back can be recognized.

  Furthermore, since the flat plate 38 on the back surface of the vent cover is provided with a letter “Ura” and a bead shape, it is possible to make the user recognize an incorrect setting of the front and back. In addition, the user can recognize the left vent cover 32 and the right vent cover 33 by entering the right and left letters.

  In addition, even if smoke exhausted from the roaster 15 flows along the back of the vent cover convex part, one side of the vent cover convex part is blocked by the roaster exhaust port vicinity support member 30, and the smoke flows. On the other hand, it is possible to blow out the smoke by exhausting the exhaust port 27 through which the cooling air is vented, thereby preventing the smoke from being transmitted and leaked from the longitudinal direction of the vent cover.

  As described above, in the present embodiment, the left and right vent cover is formed by bending a sheet metal into a concavo-convex shape in the short direction, and the opening hole 35 is provided on the bottom surface of the recess, so that a pan, a cloth, etc. are placed on the vent cover. Even when placed on the bottom of the concave portion, it is possible to prevent the opening hole provided in the bottom surface of the concave portion from being blocked, to ensure ventilation from the tunnel shape 41 on the back side of the convex portion on the side surface, and The lower end is formed so as to be lower than the bottom surface of the folded recess, the height of both ends is increased, and the bottom surface of the recess is lifted to create a space for venting below the bottom surface of the recess, further increasing ventilation. The cooling performance of the product can be ensured, and the reliability of the equipment can be improved. In addition, even if the ventilation part cover is mistakenly heated by heating, the grounding surface on the heating part is scarce and induction heating is not performed, so that safety can be improved. In addition, the height of the both ends is such that the concave and convex bars extend in the longitudinal direction, and the bottom ends of both ends in the short direction of the vent cover are located below the bottom surface of the folded recess. And the rigidity in the longitudinal direction can be increased, and the usability and the cleaning resistance can be improved. Furthermore, since it is formed of a thin sheet metal, it is light in weight, requires less material, and can be produced at low cost. In addition, because it is enameled, it has a glossy surface, a beautiful appearance, can be improved in design, can be scrubbed with a scrubber, etc., and is not easily rusted and cleaned. Property and durability can be improved. Furthermore, by forming the bottom end of both ends of the vent cover in the short direction to be lower than the bottom surface of the folded recess, the height of both ends is increased and the back can be recognized. Can be improved. In addition, the flat plate welded to the back can increase the rigidity in the short direction, and the back plate of the vent cover is provided with a “Ura” and bead shape so that the user can recognize the wrong setting of the front and back. It is possible to improve usability. Furthermore, since the rib of the convex part 39 of the vent cover support member 31 is inserted into a part of the back of the convex part of the vent cover, when the vent cover is set face down, the vent cover support member 31 Riding on the rib of the convex part 39, it is possible to recognize an incorrect setting of the front and back, and to improve usability. In addition, even if smoke from the roaster flows along the back of the vent cover convex part, one side of the vent cover convex part is blocked by the convex part 40 of the support member near the roaster exhaust port, so that the smoke flows. Prevents air from passing through, while the other exhausts air through the exhaust vent that ventilates the cooling air, which blows off smoke, thereby preventing smoke from being transmitted and leaking from the longitudinal direction of the vent cover, improving usability be able to.

  As described above, the induction heating cooker according to the present invention can increase the rigidity at low cost by bending the sheet metal into a concavo-convex shape in the short direction and providing an opening cover on the bottom surface of the concave portion. Since the cooling performance, usability, and cleanability can be improved, it can also be applied to uses such as stationary cooking appliances that ventilate cooling air.

DESCRIPTION OF SYMBOLS 11 Top plate 5, 12 Induction heating coil 13 Radiant heater 14 Operation part 15 Roaster 16 Roaster heater 17 Exhaust chimney 20 Main body 21 Circuit part 22 Substrate base 23 Fan case 24 Fan 25 Motor 1, 26 Inlet 6, 27 Exhaust 28 Roaster exhaust port 29 Frame 30 Roaster exhaust port support member 31 Vent cover support member 32 Left vent cover 33 Right vent cover 34 Recessed bottom surface 7, 35 Opening hole 36 Lower end of both ends 37 Rising surface 38 Flat plate 39 Convex 40 Convex Part 41 Tunnel shape

Claims (6)

A top plate on which the cooking container is placed; a heating means for heating the cooking container; a circuit part for controlling the heating means; and an operation part for operating the circuit part below the top plate; A vent for ventilating cooling air for cooling electrical components such as the circuit portion is formed in the rear portion of the top plate, and the upper portion of the vent is covered with a breathable vent cover, The vent cover has a shape in which a sheet metal is bent into an uneven shape in a short direction to form an uneven bar in the longitudinal direction, and an opening hole is formed in the bottom surface of the recess, and the cooking container is placed on the vent cover. even while allowing venting from the side of the vent cover, the back side of the tunnel of the convex portion of the crosspiece of irregularities over the left end from the right end of the vent cover and the protrusion opening of the side surface of the vent cover form Induction heating cooker bubbling through outside air. A top plate on which the cooking container is placed; a heating means for heating the cooking container; a circuit part for controlling the heating means; and an operation part for operating the circuit part below the top plate; A vent for ventilating cooling air for cooling electrical components such as the circuit portion is formed in the rear portion of the top plate, and the upper portion of the vent is covered with a breathable vent cover, The vent cover has a shape in which a sheet metal is bent into an uneven shape in a short direction to form an uneven bar in the longitudinal direction, and an opening hole is formed in the bottom surface of the recess, and the cooking container is placed on the vent cover. even while allowing venting from the side of the vent cover is provided with a vent cover support member for supporting the vent cover in the vent cover end, a portion of the convex portion behind the vent cover To the ventilation Configuration and the induction heating cooker in which the convex portion of the cover supporting member is inserted. The induction heating cooker according to claim 1 or 2 , wherein a flat plate is welded to the rear surface of the vent cover. The induction heating cooker according to claim 1 or 2 , wherein the vent cover has an inclined rising surface that forms the convex shape. The induction heating cooker according to claim 1 or 2 , wherein the vent cover is engraved. The induction heating cooker of Claim 1 or 2 formed so that the lower end of the both ends of the short-side direction of the said vent hole cover might become below the bottom face of the said recessed part which bend | folded.