CN1264385C - Heating cooker - Google Patents

Abstract

To provide a cooker of which the top plate is easily replaced when repairing it by detachably attaching the top plate to a frame body mounted and fixed to a body case. In this cooker provided with an upper body case 3 the top of which is opened, three heating coils disposed at an open position in the upper body case, and the flat top plate 30 of a ceramic material disposed on the top of the upper body case, a top plate assembly 41, which is mounted to the upper body case by detachably attaching the peripheral fringe of the top plate to a plurality of top plate holders 34 attached to the frame body 31 mountable to the upper body case at proper intervals by a plurality of mounting screws 39, is formed.

Description

Heating device

Technical field

The present invention relates to heating device (electric range), relate in particular to its assembling and be easy to heating device.

Background technology

Figure 18 represents for example sectional drawing of the structure of the induction heating cooking instrument in No. 3024564 disclosed past of communique of Japan Patent.

Among the figure, place top board 111 cooking-vessel 115, that constitute by inorganic material such as sintered glass ceramicss, by the junction surface 113 that has applied bonding agent be fixed on main body housing 112 above.The control circuit 118 and the cooling blower 116 that produce the load coil 117 of high frequency magnetic field, in load coil 117, supply high-frequency current in main body housing 112, have been arranged.And, on junction surface 113, be provided with curved shape portion 114, this curved shape portion 114, as cooling end, and the gap that forms between the top board 111 is greater than the adhesive applicating portion of bonding top board 111.

The induction heating cooking instrument in past constitutes as stated above, if press no illustrated starter button, then control circuit 118 is started working, and beginning is the supply high-frequency current in load coil 117.The high frequency magnetic field that load coil 117 produces is if carry out the magnetic interlinkage with the cooking-vessel 115 that is placed on the top board 111, and then cooking-vessel 115 produces induction heating.Like this, the gratin that is placed in the cooking-vessel 115 is cooked.In these cooking period cooling blower 116 work, quilts such as load coil 117, control circuit 118 are accommodated part cool off.

And, curved shape portion 114 is set on the junction surface of main body housing 112, as cooling end, and the gap that forms between the top board 111 is greater than the adhesive applicating portion of bonding top board 111, so the influence of accepting from cooking-vessel 115 that heat conduction produced reduces.That is to say that the cooling air of being sent by cooling blower 116 descends the temperature at junction surface 113, can prevent that near the junction surface 113 top boards 111 from splitting or crack.

In the induction heating cooking instrument in above-mentioned past, the junction surface 113 that utilization has applied bonding agent the top board 111 of placing cooking-vessels 115 be fixed to main body housing 112 above, on this junction surface 113, be provided with curved shape portion 114, it is as cooling end, and the gap that forms between the top board 111 is greater than the adhesive applicating portion of bonding top board 111, the cooling air that utilizes cooling blower 116 to send descends the temperature at junction surface 113, splits or cracks to prevent near the junction surface 113 top boards 111.

But, relatively poor by top board 111 impact resistances that inorganic material such as glass ceramics constitute, in the cooking process, be placed on the flat top 111 cooking-vessel 115 and produce vibration, perhaps when stirring fry in oil dish in order to make oily even contact be stir-fried and eaten product, cooking-vessel 115 is moved up and down, so top board 111 is collided, perhaps, tableware drops on the top board 111 when top board 111 makes the plane expose on the pond, top board is cracked or splits.

And, the part of top board 111 is directly accepted the high temperature of cooker, produce at top board 111 under the situation of thermal expansions since top board 111 coated the junction surface 113 of bonding agent be fixed on main body housing 112 above, so the stress that thermal expansion produced concentrates on the standing part.At this moment, the cooling air that utilizes cooling blower 116 to send comes curved shape portion 114 is cooled off, and the temperature at junction surface 113 is descended, and splits or cracks to prevent near the junction surface 113 top boards 111.If the cooling of carrying out with the cooling air of cooling blower 116 is insufficient, then can crack or split on the standing part of top board 111 and bonding agent.

Like this, the problem of existence is: top board 111 must be changed top board 111 if crack or split when then repairing, top board 111 rely on bonding agents and be fixed on main body housing 112 above, so, can not more change top board 111 separately.

Another problem that exists is: the viewpoint from economizing on resources in recent years, and begin to recycle, but also be to be difficult to top board 111 and main body housing 112 are separated when recycling, make recycling also very difficult.

And, general, the door of microwave oven, its component part has:

The metallic door-plate itself is stamping out many apertures, so that heating chamber inside is watched by portion in the central;

Inboard transparent panel, it is disposed in heating chamber one side of this door-plate, and its material for example adopts heat resistant glass; And

Outside transparent panel, it is installed in a side opposite with heating chamber of door-plate,

Inboard transparent panel, its circumference is fixed on the door-plate by means of bonding agent and mounting panel.

But, be installed in the inboard transparent panel of door for microwave oven inboard, be vertical plate, heated cooker is placed on the turntable of heating chamber, so, cooker can directly not run into the inboard transparent panel that is in plumbness, can not crack or split, simultaneously, can directly not be subjected to the high temperature that cooker produces, so, also need hardly to repair.

In order to overcome the above problems, its purpose is to make top board can load and unload freely on the framework that is installed and fixed on the main body case just in the present invention, makes a kind of heating device of changing top board when repairing easily.

Summary of the invention

The purpose of this invention is to provide a kind of heating device, can be easy to assembling.Top board is installed on the framework that is fixed on the main body case with loading and unloading state freely, changes the heating device of top board when obtaining a kind of the repairing easily.

The heating device of the present invention the 1st aspect has:

Main body case has peristome above it;

A plurality of heating coils, it is arranged on the interior aperture position of this main body case; And

The tabular top board, its be arranged in this main body case above, make by ceramic material,

This heating device is characterised in that: utilize supporting arrangement the outer peripheral edges of above-mentioned top board to be installed on the framework that can be contained on the aforementioned body case and it can be loaded and unloaded freely, form the top board assembly.

The heating device of the present invention the 2nd aspect, it is characterized in that: above-mentioned supporting arrangement is the roof plate supporting utensil, wherein have: the press section that the outer peripheral edges of the above-mentioned top board that overlaps mutually with above-mentioned framework are pushed, and be connected with this press section and be provided with, utilize mounting screw can be installed on the above-mentioned framework and can load and unload freely fixed part.

The heating device of the present invention the 3rd aspect is characterized in that: sandwich sealing with the buffering bedding and padding between the outer peripheral edges of above-mentioned top board and above-mentioned framework.

The heating device of the present invention the 4th aspect wherein has:

Main body case has peristome above it;

A plurality of heating coils, it is arranged on the interior aperture position of this main body case; And

The tabular top board, its be arranged in this main body case above, make by ceramic material,

It is characterized in that: on the outer peripheral edges of above-mentioned top board, form many installing holes, the diameter of this installing hole is greater than the external diameter of mounting screw, penetrate into this mounting screw in this installing hole and make it be in the chimerism that moves about, like this, the outer peripheral edges of this top board are fixed on the framework that can install on the aforementioned body case with screw-driving.

The heating device of the present invention the 5th aspect is characterized in that: sandwich sealing with the buffering bedding and padding between the outer peripheral edges of above-mentioned top board and above-mentioned framework.

The heating device of the present invention the 6th aspect is characterized in that: the intermediate plate that peristome is closed install and fix the aforementioned body case above.

The heating device of the present invention the 7th aspect is characterized in that: the ceramic material of formations such as above-mentioned intermediate plate employing glass is made.

The heating device of the present invention the 8th aspect is characterized in that: the formation of above-mentioned intermediate plate comprises: have a plurality of coils with the baffle board of the electric conducting material of openning and the sealing plate of each coil of baffle board being closed with openning, make with ceramic materials such as glass.

The heating device of the present invention the 9th aspect is characterized in that: on the outboard end of the framework of above-mentioned top board assembly a kind of mounting flange is set, its length is placed on this mounting flange on the kitchen range top greater than the thickness of top board assembly.

The heating device of the present invention the 10th aspect is characterized in that: in the aforementioned body case display part be arranged in intermediate plate just below the position on.

Description of drawings

The heating device that Fig. 1 relates to the present invention the 1st embodiment is installed to the sectional drawing of the state on the kitchen range top.

Fig. 2 is the oblique view of the state on the kitchen range top that this heating device is installed to.

Fig. 3 is the plane graph of inboard of the framework of this heating device of expression.

Fig. 4 is the oblique view of major part of the top board assembly of this heating device of expression.

Fig. 5 relates to the oblique view of the split state that gets off of top board assembly of the heating device of the 2nd embodiment.

Fig. 6 is the A-A line sectional drawing of Fig. 5.

Fig. 7 is that expression installs to this heating device on the kitchen range top, the major part sectional drawing of the state that the top board assembly is removed.

Fig. 8 is the oblique view of the intermediate plate structure of this heating device of expression.

Fig. 9 is the B-B line sectional drawing of Fig. 8.

Figure 10 relates to the oblique view of roof plate supporting utensil of top board assembly of the heating device of the present invention the 3rd embodiment.

Figure 11 relates to the oblique view of roof plate supporting utensil of top board assembly of the heating device of the present invention the 4th embodiment.

Figure 12 relates to the oblique view of major part of top board assembly of the heating device of the present invention the 5th embodiment.

Figure 13 is the oblique view of the top board of this heating device of expression.

Figure 14 relates to the oblique view of major part of top board assembly of the heating device of the present invention the 6th embodiment.

Figure 15 relates to the oblique view of major part of top board assembly of the heating device of the present invention the 7th embodiment.

Figure 16 relates to the oblique view of major part of top board assembly of the heating device of the present invention the 8th embodiment.

Figure 17 relates to the oblique view of major part of top board assembly of the heating device of the present invention the 9th embodiment.

Figure 18 is the cross-sectional side view of induction heating cooking instrument in the past.

Embodiment

[the 1st embodiment]

Fig. 1 is the sectional drawing of the state on the kitchen range top that the heating device that relates to the present invention the 1st embodiment is installed to.

Fig. 2 is the oblique view of the state on the kitchen range top that this heating device is installed to.

Fig. 3 is the plane graph of the framework inboard of this heating device of expression.

Fig. 4 is the oblique view of pith of the top board assembly of this heating device of expression.

In the drawings, the 1st, be installed to the heating device on the kitchen range top 2, the 3rd, on heating device 1, have the upper body case of peristome, the 4th, the sub-body case of heating device 1, the 5th, extraneous air is introduced the road, it is separately positioned on the right and left of the rear side of heating device 1, is used for extraneous air is incorporated in the sub-body case 4.6 are arranged on extraneous air introduces air-suction cover on the air entry on road 5, and the 7th, the extraneous air suction inlet, it is formed on the rear side of sub-body case, and is connected with outlet that extraneous air is introduced road 5.

The 8th, outer gas intercommunicating pore, it is formed on the bottom of upper body case 3, the dividing plate between conduct of the bottom of this main body case 3 and the sub-body case 4.9 are formed in the outer gas outlet on the header board of upper body case 3.10 are formed in the outer gas outlet on the side plate of sub-body case 4.

The 11st, baking box, its 12 front side that is arranged on sub-body case 4; 13 are arranged on the forced draft fan of the rear side of sub-body case 4; The 14th, power supply circuit board is equipped with transformer and various electric partss etc. on it, and this transformer is positioned at the middle of sub-body case 4.

To be heating device revolve and the baking box operation knob with the operation choosing for 15a, 15b, and it is provided with the position is preceding downside at baking box 11; 16 are arranged on the display part of the front upper side of baking box 11.

The 17th, the output display part, it utilizes the situation of lighting of lamp to represent to be arranged in the just following electric power of glass plate, is positioned at upper body case 3, and this glass plate is following intermediate plate.The 18th, temperature, timer display part, its expression is arranged on the glass plate just time and the temperature of following timer, and it is following intermediate plates that this glass plate is positioned at upper body case 3.

The 21st, be separately positioned on 3 coil supports platforms in the upper body case 3; The 22nd, by the load coil that each coil supports platform 21 supports, the opening surface of the top and upper body case 3 of load coil is on same.The 23rd, control circuit board has been installed control and has been used part on it, and it is set on the bottom of upper body case 3.

The 24th, horizontal top plate assembly support, it is formed on the outer peripheral edges of upper body case 3.The 25th, a kind of buffering installation portion, it carries out bending from top board assembly support 24, extends, and outer most edge has downward " U " font groove.The 26th, for example with the main body cushion pad of adhesive securement in the groove of cushion pad installation portion 25.The 27th, transparent glass plate, it utilizes screw etc. (not having diagram) to be fixed on the inboard of the top board assembly support 24 of upper body case 3, is used to cover the opening of upper body case 3 as intermediate plate, and the thickness of this plate is less than following top board 30.

The 30th, the top board made from ceramic material, be used to place cooker.The 31st, section is the square framework of U font, is used for top support plate 30.Size between the inner face of the outer panel 31b of this framework 31, be a bit larger tham the size between the outside of cushion pad installation portion 25 of upper body case 22, as described below, when top board assembly 41 is fixed on the top board assembly support 24 of upper body case 22, between the outside of the cushion pad installation portion 25 of the inner face of the outer panel 31b of framework 31 and upper body case 22, form little clearance t 2.And this framework 31 has the top board window 32 than the little circle of profile of top board 30.

33 are arranged on 2 outer aspiration inlets on one side of framework 31.The 34th, the top board of a type bears utensil, and it is installed on the inboard bottom of framework 31, and reserves appropriate intervals, on come-up board 34a screw hole 35 is arranged.The 36th, the roof plate supporting utensil, it is made of pressing tablet 36a and stator 36b, and this stator 36b has screw hole 37, and is connected with pressing tablet 36a, and it forms a step each other, and this is the device that top board is supported.The 38th, mounting screw, the 39th, the sealing cushion pad of frame shape, on it for example was installed in around the inner face of interior plate 31a with bonding agent, the top board that interior plate 31a constitutes framework 31 was with window 32.The sealing height of the height dimension of cushion pad 39 greater than the interior plate 31a of framework 31.

Below explanation is installed to top board 30 on the framework 31, constitutes top board assembly 41, and top board assembly 41 is installed to the interior method of upper body case 3.

At first, as shown in Figure 3, framework 31 is turned over, top board 30 is put on the interior plate 31a of framework 31, the top board of framework 31 is sealed with window 32.At this moment, the sealing that the outer peripheral edges portion of top board 30 snaps into the frame shape is with on the cushion pad 39, on this cushion pad is installed in around the inner face of interior plate 31a of framework 31.

Then; as shown in Figure 4; top board bears utensil 34 and is installed on the inboard bottom of framework 31; the screw hole 37 of the stator 36b of each roof plate supporting utensil 36 is aligned with the screw hole 35 that top board bears the come-up board 34a of utensil 34, and the top board protection that forms by soft material snaps into the pressing tablet 36a of each roof plate supporting utensil 36 on the outer peripheral edges of top board 30 with cushion pad 40.

Then, it is interior and tighten fixing mounting screw 38 to be inserted into the screw hole 35 of the screw hole 37 of stator 36b of each roof plate supporting utensil 36 and the last kickboard 34a that each top board bears utensil 34, like this, just be assembled into top board assembly 41, make framework 31 and top board 30 form integrated.

At this moment, between the step of the pressing tablet 36a of the peripheral end face of top board 30 and roof plate supporting utensil 36 and stator 36b, set predetermined gap t1.

Then, the pressing tablet 36a of each roof plate supporting utensil 36 of the top board assembly 41 that assembles like this is installed in the top board assembly support sector 24 of upper body case 3.At this moment, the inner face of the outer panel 31b of the framework 31 of top board assembly 41 is drawn towards from top board assembly support sector 24 and carries out bending, the outside of the cushion pad installation portion 25 of the outer most edge of extending, top board assembly 41 keeps little clearance t 2 between these two faces, so can correctly locate and install in the top board assembly support sector 24 of upper body case 3.

Zhuan Pei top board assembly 41 is assembled in the upper body case 3 like this, constitutes induction heating cooking instrument 1.And the induction heating cooking instrument of Gou Chenging is installed on the kitchen range top 2 as shown in Figure 2 like this.

And, also can sub-body case 4 and upper body case 3 be installed on the kitchen range top 2 in advance, then top board assembly 41 is installed in the upper body case 3.

And, also can form an integral body to sub-body case 4 and upper body case 3.

The induction heating cooking instrument 1 of Gou Chenging as stated above, if the cooking device to the place ahead downside of being arranged on baking box 11 is operated with operation knob 15a, then power supply circuit board 14 and control circuit board 23 etc. are started working, and beginning supplies to high-frequency current in the load coil 22.The high frequency magnetic field that load coil 22 is produced if be placed on cooking pot on the top board 30 (diagram is omitted) intersecting chain, then cooking pot carries out induction heating.Like this.The cooking food that has deposited in the cooker is cooked.

And if baking box is operated with operation knob 15b, then control circuit (diagram is omitted) is started working, and to the heater of baking box 11, heater generates heat electric current supply in beginning, and the cooking portion in the baking box 11 carries out cooking.

Moreover, in the process of using induction heating cooking instrument 1, forced draft fan 13 drives, moreover, enter into outer gas by air-suction cover 6 and introduce extraneous air in the road 5, enter in the sub-body case 4 from the outer gas inlet port 7 of sub-body case 4, cool off through 13 pairs of power supply circuit boards 14 of forced draft fan and baking box 11, outer gas is again by outer gas intercommunicating pore 8, enter in the upper body case 3, to control circuit board 23 and load coil 22 and output display part 16, temperature, timer display part 17 cools off, and outer then gas is from the outer gas outlet 9 of upper body case 3,10 discharge to the outside.

Like this if adopt the induction heating cooking instrument of the present invention the 1st embodiment; then top board 30 is installed on the interior plate 31a of upturned framework 31; the screw hole 37 of the stator 36b of each roof plate supporting utensil 36 is registered on the screw hole 35 of come-up board 34a that each top board on the inboard bottom that is installed in framework 31 bears utensil 34; the pressing tablet 36a of each roof plate supporting utensil 36 is snapped on the outer peripheral edges of top board 30 with cushion pad 40 by the top board protection; mounting screw 38 be inserted into tighten in the screw hole 37 of each roof plate supporting utensil 36 and the screw hole 35 that each top board bears utensil 34 fixing; top board 30 incorporate top board assemblies 41 are assembled on the framework 31; the 36a that pushes of each roof plate supporting utensil 36 of this top board assembly 41 is installed in the top board assembly support sector 24 of upper body case 3, constitutes induction heating cooking instrument 1.So, bear utensil 34, roof plate supporting utensil 36 and mounting screw 38 as long as prepare top board, can be at an easy rate top board 30 incorporate top board assemblies 4 are installed on the framework 31, as long as this top board assembly 41 is installed in the top board assembly support sector 24 of upper body case 3, can make induction heating cooking instrument 1 at an easy rate.

Moreover, top board 30 is installed on the interior plate 31a of framework 31, utilize the pressing tablet 36a of roof plate supporting utensil 36 that top board 30 outer peripheral edges are pressed on the framework 31.At this moment because sealing is arranged between top board 30 and the framework 31 with cushion pad 39, so framework 31 can not make top board 30 damages, can not produce the gap between top board 30 and framework 31 yet, so water and grey point etc. can not enter, can make good seal.

Have again, owing between the pressing tablet 36a of the outer peripheral edges of top board 30 and roof plate supporting utensil 36, have the top board protection with cushion pad 40, so the pressing tablet 36a of roof plate supporting utensil 36 can not damage top board 30 yet.

Moreover, the top board 30 of induction heating cooking instrument 1, be subjected to the cooker collision, perhaps, tableware falls down from the tableware shelf and drops on the top board 30, causes the top board crackle or splits, when repairing, change under the situation of top board 30, air-suction cover 6 is removed from outer gas intake 5, reach in the outer gas intake 5 top board assembly 41 is mentioned, can take off top board assembly 41 from upper body case 3 at an easy rate.And, after unclamping, can separate top board 30 and framework 31 at an easy rate as the top board 30 of the top board assembly 41 of monomer and mounting screw 38 that framework 31 is fixed, so, be easy to change the monomer of top board 30, also be easy to recycle.

Have again, utilizing top board to bear utensil 34, roof plate supporting utensil 36 and mounting screw 38 are top board 30 incorporate top board assemblies 4 are assembled under the situation on the framework 31, because between the step of the pressing tablet 36a of the peripheral end face of top board 30 and roof plate supporting utensil 36 and stator 36b, set predetermined gap t1, so, the part of top board 30 directly is subjected to the high temperature of cooker, produce under the situation of thermal expansion at top board 30, the outer peripheral edges of top board 30 are slided on the press surface of the pressing tablet 36a of roof plate supporting utensil 36, its elongation is equivalent to this clearance t 1 size, therefore, the stress that thermal expansion produced can not focus on the standing part of the pressing tablet 36a that adopts roof plate supporting utensil 36, so, can on top board 30, not crack and the crack yet.Especially, if form a plurality of heating parts, then thermal expansion increases.

Moreover, the opening of upper body case 3 is got up by 27 cappings of transparent glass plate, this glass plate 27 is intermediate plates, its outer peripheral edges are fixed on the inboard of top board assembly support sector 24, be provided with top board 30 above the glass plate 27 at this, so, in the use of induction heating cooking instrument 1, even top board 30 cracks and the crack, also can utilize glass plate 27 to prevent that sealing etc. invades on the charged parts such as control circuit board that are arranged in the upper body case 3.And this glass plate also can be the ceramic material of being made by glass etc.

[the 2nd embodiment]

Fig. 5 is the oblique view that expression relates to the state that the top board assembly of heating device of the present invention the 2nd embodiment is removed.

Fig. 6 is the B-B line sectional drawing of Fig. 5.

Fig. 7 is that expression is installed to this heating device on the kitchen range top, the major part sectional drawing of the state that the top board assembly is pulled down.

Fig. 8 is the oblique view of structure of the intermediate plate of this heating device of expression,

Fig. 9 is the C-C line sectional drawing of Fig. 8.

Among the figure, for the identical structure of the present invention the 1st embodiment, mark identical symbol, the explanation of the structure of its repetition is omitted.

In the 2nd embodiment, intermediate plate does not adopt the glass plate 27 of the 1st embodiment, has adopted the baffle board 45 that formed by electric conducting material and is made of jointly with plate 46 sealing that nonmagnetic substance forms and replace.

This baffle board 45 on the position of correspondence, has formed the big slightly coil openning 47 of relative aperture load coil 22 external diameters respectively above 3 load coils 22 being arranged in upper body case 3.These coils have down-turned portion 47a with openning 47.These coils are covered with plate 46 by sealing with openning 47, and sealing for example is fixed on the baffle board 45 by bonding agent or screw (not having diagram) with the outer peripheral edges portion of plate 46.

And, in the 2nd embodiment, utilize the circumference of coil supports platform 21 to support the bend 47a of each coil of baffle board 45, and make it be in the state of being held with openning 47.

In the 2nd embodiment, the outer peripheral edges of the baffle board 45 of electric conducting material are fixed in the top board assembly support sector 24 of upper body case 3, and contact with it, so, in the use of induction heating cooking instrument 1, the heat of heated baffle board 45 is easy to be sent on the upper body case 3.

And, because sealing forms by nonmagnetic substance with plate 46, so the magnetic flux of load coil 22 can be to the generation of the cooker on the top board 30 of the face of being placed on it harmful effect.

Have, each coil of the baffle board 45 that is formed by electric conducting material carries out capping by sealing with plate 46 with openning 47 again, by baffle board 45 with seal and constituted intermediate plate jointly with plate 46.On this intermediate plate, be provided with top board 30, so, in the use of induction heating cooking instrument 1,, also can prevent that sealing etc. invades in the charged part of the control circuit board that is arranged in the upper body case 3 etc. with intermediate plate even crack or the crack on the top board 30.

[the 3rd embodiment]

Figure 10 is the oblique view of roof plate supporting utensil of the top board assembly of the expression heating device that relates to the present invention the 3rd embodiment.

The 3rd embodiment, the structure of its roof plate supporting utensil is different from the 1st embodiment.

The roof plate supporting utensil 36 of the 3rd embodiment is provided with projection 48 at the lateral center place of its pressing tablet 36a.

Like this, utilization is arranged on the projection 48 direct outer peripheral edges by coping 30 at pressing tablet 36a lateral center place, can form with the line contact condition and come outer peripheral edges, make top board 30 when thermal expansion, be easy to extend, can prevent that top board 30 from cracking or the crack by coping 30.Utilize spring material to constitute this roof plate supporting utensil 36, can come top support plate 30 with appropriate pressing force.Can prevent its damage.

[the 4th embodiment]

Figure 11 is the oblique view of roof plate supporting utensil of the top board assembly of the expression heating device that relates to the present invention the 4th embodiment.

The roof plate supporting utensil structure of the 4th embodiment is different from the 1st embodiment.The roof plate supporting utensil 36 of the 1st embodiment and 8 top boards bear that utensil 34 is corresponding to have 8, but the roof plate supporting utensil 56 of the 4th embodiment is not as Figure 11 institute, constitute the frame shape by press section 56a and fixed part 56b, so that the whole outer peripheral edges of top board 30 are pushed.And, on the fixed part 56b of frame shape, be provided with screw hole 57 bearing on the screw hole 35 corresponding positions of utensil 34 with top board.

Like this, utilize the roof plate supporting utensil 56 that constitutes the frame shape, can evenly and securely push the outer peripheral edges of top board 30.

[the 5th embodiment]

Figure 12 is the oblique view of major part of the top board assembly of the expression heating device that relates to the present invention the 5th embodiment.Figure 13 is the oblique view of the top board of this heating device of expression.

The 5th embodiment is different from the 1st embodiment, and it bears utensil 34 to the top board of framework 31 and does not use roof plate supporting utensil 36, but directly assembles top board 30.

On the outer rim of top board 30, reserve appropriate intervals, 8 installing holes 58 are set, and make its diameter be a bit larger tham mounting screw 38 diameters of thread.And, each installing hole 58 of top board 30 is registered on the screw hole 35 of come-up board 34a that each top board bears utensil 34.Make mounting screw 38 be inserted into each top board with cushion pad 40 and spring washer 59 and bear and tighten fixingly in the screw hole 35 of utensil 34, top board 30 is installed on the framework 31 by top board protection.

Like this, do not use roof plate supporting utensil 36, utilize mounting screw 38 directly top board 30 to be installed on the framework 31, be arranged on the threaded portion diameter that installing hole 58 on the outer peripheral edges of top board 30 is a bit larger tham mounting screw 38, so, top board 30 can utilize the surplus capacity with respect to the installation screw thread 38 of installing hole 58 to extend when thermal expansion, can prevent that top board 30 from cracking or the crack.

Moreover, because without roof plate supporting utensil 36, but directly top board 30 is installed on the framework 31 with mounting screw 38, so an installing hole 58 to top board 30 carries out hole processing and gets final product, this also can reduce the mounting cost cost.

Have again, utilizing mounting screw 38 directly top board 30 to be fixed under the situation on the framework 31.Sandwiched sealing with cushion pad 39 between the outer peripheral edges of top board 30 and framework 31, so framework 31 can not make top board 30 damaged, good seal between top board 30 and framework 31 can not produce the gap yet and make intrusions such as water or grey point.

Moreover; utilizing mounting screw 38 top board 30 directly to be fixed under the situation on the framework 31; because the top board protection is arranged between the outer peripheral edges of the head of mounting screw 39 and top board 30 with cushion pad 40, so the head of mounting screw 38 can not make top board 30 damaged yet.

And the quantity of mounting screw 38 is not to be defined as 8, can change suitable quantity as required into yet.

[the 6th embodiment]

Figure 14 is the oblique view of major part of the top board assembly of the expression heating device that relates to the present invention the 6th embodiment.

The 6th embodiment is different from the 1st embodiment, around the inner face of the top board that constitutes framework 31 with the interior plate 31a of window 32, is not the sealing cushion pad 39 of installing frame shape, but as shown in figure 14, the stable on heating waterproof washer 60 of having of tubulose has been installed.

Like this, owing on every side the stable on heating waterproof washer 60 of having of tubulose has been installed with the inner face of the interior plate of window 32 at the top board that constitutes framework 31, so, utilize the recuperability of pipe and inner air expansion power etc. that water proofing property is strengthened, the anti-sealing of energy etc. is invaded in the framework 31, can absorb vibration simultaneously.

[the 7th embodiment]

Figure 15 is the oblique view of major part of the top board assembly of the expression heating device that relates to the present invention the 7th embodiment.

The 7th embodiment is different from the 1st embodiment, and it is that top board assembly 41 directly is installed on the kitchen range top 2.

The 7th embodiment is provided with the mounting flange 61 longer than top board assembly 41 thickness on section is the outer panel 31b of square framework 31 of U font, and in the horizontal the front end bending of this mounting flange 61, so that install.

Like this, on the outer panel 31b of framework 31, be provided with the mounting flange 61 longer than top board assembly 41 thickness by buffering bedding and padding 70, so, top board 30 be installed on the framework 31 and the top board assembly 41 that constitutes if be installed on the kitchen range top 2, the mounting flange 61 that then is arranged on the outer panel 31b on the framework 31 is supported by the kitchen range top 2.At this moment, the roof plate supporting utensil 36 pressing tablet 36a that top board 30 is installed on the framework upwards float from the top board assembly support sector 24 of upper body case 3, not to form one with upper body case 3, so, be easy to a top board assembly 41 and be installed on the kitchen range top 2.

[the 8th embodiment]

Figure 16 is the oblique view of major part of the top board assembly of the expression heating device that relates to the present invention the 8th embodiment.

The 8th embodiment is arranged on lamp fenestra 45a on the baffle board 45 of the 2nd embodiment, and lampshade 62 is embedded in this lamp fenestra 45a, and the indicator light 63 of output display part 17 is arranged in the lampshade 62.

Like this, lampshade 62 is embedded in the lamp fenestra 45a, this lamp fenestra 45a is positioned on the baffle board 45 that is installed on the upper body case 3, indicator light 63 is arranged in this lampshade 62, the indicator light 63 as electric parts is arranged in baffle board 45 sides, do not have electric parts indicator light 63 and wiring thereof in top board assembly 41 sides, so, top board assembly 41 with top board 30 being removed from upper body case 3 live part is exposed, therefore, is safe.

[the 9th embodiment]

Figure 17 is the oblique view of major part of the top board assembly of the expression heating device that relates to the present invention the 9th embodiment.

The 9th embodiment is provided with thin glass plate 64 on the baffle board 42 of the 2nd embodiment, lamp fenestra 45a is set on baffle board 45, and the indicator light 63 of output display part 17 is set in this lamp fenestra 45a.

Like this, be installed in the lamp fenestra 45a on the baffle board 45 that the thin glass plate 64 on the upper body case 3 covers, be provided with indicator light 63, arranged electric parts indicator light 63 in baffle board 45 sides, because there are not electric parts indicator light 63 and wiring thereof in top board assembly 41 sides, so, the top board assembly 41 with top board 30 is removed from upper body case 3, live part is exposed, so be safe.

The state that the induction heating cooking instrument 1 of the above-mentioned the present invention of relating to the 1st～9 embodiment is installed in the kitchen range top 2 is illustrated.But self-evident, the present invention can be applicable to the form of using on the kitchen range top 2 that is put into certainly.

And, the induction heating cooking instrument 1 that relates to the embodiment of the invention is illustrated according to the structure that adopts 3 load coils 22, but also can change in 3 load coils 22 one or two into resistance heating coil uses, also go for 3 load coils 22 are all changed into the heating device of resistance heating coil, simultaneously, heat generating part, 2 might as well, 4, its quantity is not limit.

The water of contingency intrusion etc. have, on baffle board 45, form inclined plane and groove, so that can be directed into the place of the safety of regulation, for example place beyond the main body case.

If adopt the 1st aspect of the present invention by above method, then utilizing supporting arrangement that the outer peripheral edges of the flat top board that is made of ceramic material etc. are installed to can have on the framework of installing on the main body case of peristome in the above and make its loading and unloading freely, form the top board assembly, so, its effect is: utilize supporting arrangement, can be at an easy rate the incorporate top board assembly of top board is assembled on the framework, as long as this top board assembly install to main body case above, can make heating device very simply.

And, crack or crack and changing under the situation of top board at top board, because supporting arrangement is with loading and unloading state freely the outer peripheral edges of top board to be installed on the framework,, can be easy to a top board and framework and separates so remove this supporting role.Therefore, such effect is arranged also: be easy to change the monomer top board, also be easy to recycle, the part of different materials is separated.

If adopt the 2nd aspect of the present invention, then the supporting arrangement that the outer peripheral edges of top board are installed on the framework is used as the roof plate supporting utensil with loading and unloading state freely, this roof plate supporting utensil has:

The press section, its outer peripheral edges to the top board that overlaps mutually with framework are pushed; And

Fixed part, it links to each other with this press section, is installed on the framework with loading and unloading state freely by mounting screw,

So its effect is: utilize roof plate supporting utensil and this simple design of part of mounting screw, can form supporting arrangement with press section and fixed part.

If adopt the 3rd aspect of the present invention, then utilizing under roof plate supporting utensil and mounting screw come the situation of roof plate supporting in framework, between top board outer peripheral edges and framework, sandwiched the sealing cushion pad, so, its effect is: when the press section that utilizes the roof plate supporting utensil was pressed into the outer peripheral edges of top board on the framework, framework can not damaged top board, and is very close to each other between top board and framework yet, can not cause intrusions such as water and dust, good seal.

If adopt the 4th aspect of the present invention, then on the outer peripheral edges of top board, form a plurality of installing holes, its aperture is greater than the diameter of mounting screw, this mounting screw is penetrated in this installing hole with the chimerism that moves about, the outer peripheral edges of top board are tightened be fixed in the framework that can be installed in above the main body case, so, its effect is: top board can utilize installing hole to the surplus capacity of mounting screw and extend when thermal expansion, can prevent that top board from cracking or the crack, and utilize mounting screw directly to be installed on the framework top board, so, only the installing hole of top board is carried out hole processing and get final product, also can reduce the assembly expenses cost.

If adopt the 5th aspect of the present invention, then utilizing mounting screw top board to be tightened under the situation about being installed on the framework, between the outer peripheral edges of top board and framework, sandwich the sealing cushion pad, so, its effect is also can not produce the gap and cause intrusions such as water or dust between top board and framework, good seal, framework can not damage top board.

If adopt the 6th aspect of the present invention, then the intermediate plate of making peristome be fixed on the aforementioned body case above, so its effect is: even in the use of heating device, top board cracks or the crack, also can utilize intermediate plate to prevent that sealing etc. invades in the charged part of the control circuit board that is arranged in the main body case etc.

If adopt the 7th aspect of the present invention, then intermediate plate adopts the ceramic material that is made of glass etc., thus can output display part and temperature regularly display part be arranged in the main body case.

The heating device that relates to the present invention the 8th aspect is made of with plate conductivity baffle board and sealing, and the former has a plurality of coil opennings; The latter is made by nonmagnetic substance, made each coil openning of baffle board on it, the outer peripheral edges of the baffle board of electric conducting material be fixed on main body case above, and contact with it, so, its effect is: the heat of heated baffle board is easy to pass on the main body case in the use of heating device, and, in the use of heating device, even top board cracks or the crack, also can utilize baffle board to prevent that sealing etc. invades in the charged part of the control circuit board that is arranged in the main body case etc.

And each coil that is manufactured with baffle board is made by nonmagnetic substance with plate with the sealing of openning, so the magnetic flux of load coil can not produce harmful effect to the cooking pot on mounted thereto the top board.

If adopt the 9th aspect of the present invention, the mounting flange longer than the thickness of this top board assembly then is set on the outboard end of the framework of above-mentioned top board assembly, this mounting flange is contained on the kitchen range top, so, its effect is: only the mounting flange of top board assembly is put on the kitchen range top that main body case is housed and gets final product, therefore, be easy to make heating device, and be easy to attach it on the kitchen range top.

If adopt the 10th aspect of the present invention, then in the aforementioned body case intermediate plate just below the position on display part is set, so its effect is: on the top board assembly, can cancel electric wiring, be easy to a top board assembly and be installed on the main body case, also be easy to take off.

Claims (12)

1, a kind of heating device comprises:

Main body case has peristome above it;

A plurality of heating coils, it is arranged on the interior aperture position of this main body case; And

The tabular top board, its be arranged on this main body case above, make by ceramic material,

It is characterized in that: utilize supporting arrangement the outer peripheral edges of above-mentioned top board to be installed on the framework that can be contained on the aforementioned body case and it can be loaded and unloaded freely, form the top board assembly.

2, heating device as claimed in claim 1, it is characterized in that: above-mentioned supporting arrangement is the roof plate supporting utensil, wherein have: the press section that the outer peripheral edges of the above-mentioned top board that overlaps mutually with above-mentioned framework are pushed, and be connected with this press section and be provided with, utilize mounting screw and load and unload the fixed part that is installed to freely on the above-mentioned framework.

3, heating device as claimed in claim 1 or 2 is characterized in that: sandwich sealing with the buffering bedding and padding between the outer peripheral edges of above-mentioned top board and above-mentioned framework.

4, a kind of heating device comprises:

Main body case has peristome above it;

A plurality of heating coils, it is configured on the interior aperture position of this main body case; And

The tabular top board, its be configured in this main body case above, make by ceramic material,

It is characterized in that: on the outer peripheral edges of above-mentioned top board, form a plurality of installing holes, the diameter of this installing hole is greater than the external diameter of mounting screw, penetrate into this mounting screw in this installing hole and make it be in the chimerism that moves about, like this, the outer peripheral edges of this top board are fixed on the framework that can install on the aforementioned body case with screw-driving.

5, heating device as claimed in claim 4 is characterized in that: sandwich sealing with the buffering bedding and padding between the outer peripheral edges of above-mentioned top board and above-mentioned framework.

6, as each the described heating device in claim 1 or 4, it is characterized in that: the intermediate plate that peristome is closed install and fix the aforementioned body case above.

7, heating device as claimed in claim 6 is characterized in that: above-mentioned intermediate plate is to adopt glass material to make.

8, heating device as claimed in claim 6 is characterized in that: the formation of above-mentioned intermediate plate comprises: have a plurality of coils with the baffle board of the electric conducting material of openning and the sealing plate of each coil of baffle board being closed with openning, make with glass material.

9, as claim 1 or 4 described heating devices, it is characterized in that: the outboard end of the framework of above-mentioned top board assembly is provided with mounting flange, and its length is placed on this mounting flange on the kitchen range top greater than the thickness of top board assembly.

10, heating device as claimed in claim 6 is characterized in that: in the aforementioned body case, display part is configured on the just following position of intermediate plate.

11, as claim 7 or 8 described heating devices, it is characterized in that: in the aforementioned body case, display part is configured on the just following position of intermediate plate.

12, heating device as claimed in claim 9 is characterized in that: in the aforementioned body case, display part is configured on the just following position of intermediate plate.

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