CN1929703A - Inductive heating cooker - Google Patents
Inductive heating cooker Download PDFInfo
- Publication number
- CN1929703A CN1929703A CN 200610002275 CN200610002275A CN1929703A CN 1929703 A CN1929703 A CN 1929703A CN 200610002275 CN200610002275 CN 200610002275 CN 200610002275 A CN200610002275 A CN 200610002275A CN 1929703 A CN1929703 A CN 1929703A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- fan
- electronic circuit
- circuit board
- fans
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Induction Heating Cooking Devices (AREA)
Abstract
The invention provides a passage structure having a high safety against leakage of water from an air intake port and with low noise for an induction heating cooker which has a tendency of high mounting density and large ventilation resistance in a body. The induction heating cooker has a top plate to mount a heating container on the upper face of the body and an induction heating coil arranged at the lower part of this top plate, and a fan to cool the electronic substrate for driving the induction heating coil arranged in the body. A fan unit which has a fan with a suction port facing the rear part of the body, a partition part that partitions the spacing between the air intake port provided at the rear of the body and the fan and has a suction port 9, and a fan motor supporting part which supports a fan motor to drive the fan and partitions the fan and the spacing on the heating coil and the substrate side and has a discharge port, is provided, and the fan motor is arranged on the substrate side of the fan unit.
Description
Technical field
The present invention relates to induction heating cooking instrument.
Background technology
When induction heating cooking instrument is meant that in load coil the magnetic line of force that the high-frequency current that flows produces is by metal pot, utilize the device that carries out cooking because of Joule heat at the eddy current of the bottom of a pan generation.During heating, be not only pot,, therefore use the fan cooling of blowing even the electronic circuit board etc. of load coil or control load coil also can heat release.
The flow passage structure of existing induction heating cooking instrument is to use tube-axial fan or multi blade fan to blow to electronic circuit board from the air entry inhaled air of top board, blows to load coil again.In addition, induction heating cooking instrument is in operation because pan boiling boils or pot is toppled over and waited the air entry and the exhaust outlet that cause at top board to intake, and paying by coolant flow channel to become the reason that electronic component damages on electronic circuit board etc., thereby coolant flow channel must design waterproof construction.Therefore, no matter the kind of fan is provided with the waterproof construction of heater coil or electronic circuit board on flow passage structure.As the example of such flow passage structure, disclosed example in patent documentation 1 (TOHKEMY 2001-324151 communique), patent documentation 2 (TOHKEMY 2004-172138 communique) is arranged.
In recent years, induction heating cooking instrument is according to the requirement of shortening the cooking time, and there is the tendency that requires higher output in heater coil, and there is the bigger tendency of its internal volume requirement in roaster, so that it can adapt to bigger gratin.
The kind of employed pot is not only and can also can be used the low non-magnetic stainless steel pot of the efficiency of heating surface with the iron pan of high efficiency heating.In addition, can correspondingly with the pot of multiple class be, except with the corresponding type of pot of iron, non-magnetic stainless steel system, though also have and the corresponding type of the all-metal pot commercialization that can use aluminum, copper pot and so on, the efficiency of heating surface of aluminum pot is also lower than non-magnetic stainless steel pot.
The electronic circuit board of control heater coil, though be configured in the remaining space of the roaster that is positioned at the heater coil bottom, but be accompanied by the height outputization of heater coil, the variation of corresponding pot, the control parts of heater coil increase, the packing density of electronic circuit board improves, when draft loss increases, the tendency that exists thermal loss also to increase.In addition, because the maximization of roaster internal volume, the configuration space of electronic circuit board then dwindles, and has the further tendency that improves of packing density of electronic circuit board.
As mentioned above, the example of patent documentation 1 disclosed induction heating cooking instrument is will blow to the example of electronic circuit board and load coil from the cooling air that air entry sucks by tube-axial fan.Induction heating cooking instrument is owing to the packing density height of the machine of body interior, so draft loss is big, as shown in Figure 7, exists the working point near cut-off point, the problem of noise increase and so under the situation of having used tube-axial fan.In addition, tube-axial fan is because the suction inlet of fan and outlet are coaxial and be positioned at relative position, therefore exists the water droplet etc. of the suction inlet that has entered fan directly to be splashed to problem on the electronic circuit board in downstream.
In addition, in the waterproof construction of patent documentation 1 disclosed induction heating cooking instrument, there is following problem: the suction inlet that is inhaled into fan owing to splashing of the water droplet that drops on bottom part body.
In addition, the example at the flow passage structure of patent documentation 2 disclosed induction heating cooking instruments is will blow to the example of electronic circuit board and load coil from the cooling air that air entry sucks by vertical multi blade fan.Multi blade fan is general because the size of relative fan can obtain bigger air quantity and pressure, thereby is widely used in indoor ventilation etc.
But as shown in Figure 8 and since be the Way out of the rotation direction of impeller and blade consistent to front vane, thereby have very big this characteristic of absolute velocity C2 of impeller outlet.Because the relation of the pressure loss Δ P of absolute velocity C2 and fan outlet is Δ P=ρ/2 * C2
2, so draft loss increases, and also has following problem: fan hub inside mobile caused harmful effect, become the local noise source.
As patent documentation 2 disclosed induction heating cooking instruments, the waterproof construction of multi blade fan narrows down the suction inlet runner owing at fan suction inlet and suction side runner resistance is set, and therefore increases draft loss.In addition,, the waterproof construction of fan motor must be arranged in air-breathing runner, therefore have the problem that the position causes draft loss to increase that is provided with of fan motor because fan motor is arranged near the fan suction inlet.
In addition, multi blade fan is owing to adopt the flow passage structure that outlet is set in direction of rotation, therefore exists the water droplet that is attracted by multi blade fan can directly pay problem on the electronic circuit board in the downstream that is configured in the fan outlet.
Summary of the invention
Purpose of the present invention just is to solve above-mentioned unfavorable condition, and realization possesses the induction heating cooking instrument of the cooling body of high air quantity, low noise.
For addressing the above problem, induction heating cooking instrument of the present invention possesses top board on main body, have in the aforementioned body: a plurality of heater coils that are arranged on above-mentioned top board below; Control the electronic circuit board of the driving of above-mentioned a plurality of heater coils, compare with this electronic circuit board and be arranged on the aforementioned body rear and have the fan unit of sending the fan of air stream to above-mentioned heater coil and above-mentioned electronic circuit board; And between the bottom of the back wall portion of the aforementioned body at this fan unit rear and aforementioned body, from above-mentioned back wall portion to the rake of above-mentioned bottom angled in the said fans cell side; The aforementioned body rear be above-mentioned back wall portion above, be provided with air entry, it is characterized in that, the said fans unit has: be arranged between above-mentioned air entry and the said fans and have partitions towards the air suction inlet of said fans, be configured in the above-mentioned electronic circuit board side of said fans unit and drive the fan motor of said fans, and support this fan motor, be arranged between said fans and above-mentioned heater coil and the above-mentioned electronic circuit board and have the fan motor support portion that ejects from the outlet of the air of said fans.
In addition, in said structure, a part that is discharged to the cooling air of above-mentioned wiring board side from above-mentioned outlet also can possess the flow passage structure that is guided by the said fans motor.
Also have, in said structure, also can increase setting: between above-mentioned air suction inlet and above-mentioned rake and stop the barrier structure of the water droplet that disperses from above-mentioned rake, be arranged on the peristome of the aforementioned body below in space between above-mentioned barrier structure and the above-mentioned rake, reach the control water portion that this air-breathing runner is narrowed down at the air-breathing runner of facing the aforementioned body back part.
For addressing the above problem, other induction heating cooking instruments of the present invention are, on main body, possesses top board, have in the aforementioned body: a plurality of heater coils that are arranged on above-mentioned top board below, control the electronic circuit board of the driving of above-mentioned a plurality of heater coils, cool off the fan of above-mentioned heater coil and above-mentioned electronic circuit board; Be provided with the air entry of said fans at the aforementioned body rear portion, it is characterized in that, said fans is a turbine fan, possesses fan unit, the said fans unit has: this turbine fan, have the suction inlet corresponding with the suction portion of this turbine fan and be arranged on above-mentioned turbine fan and with space that above-mentioned air entry is communicated with between suction face, the side that is connected and covers the circumferencial direction of above-mentioned turbine fan with this suction face, and be connected with this side and be arranged on discharge face between above-mentioned heater coil and above-mentioned wiring board and the above-mentioned turbine fan; Above-mentioned discharge face is provided with, and above-mentioned outlet is being communicated with any one space inner opening of above-mentioned heater coil and above-mentioned wiring board at least.
According to the present invention, therefore fan unit owing to can realize the reduction of flowpath pressure loss, the high air quantity and the low noiseization of flow passage structure by fan motor being configured in the free space of guaranteeing in the wiring board side runner in fan suction inlet upstream.
In addition and since be with entered the air-breathing runner of main body in the waterproof construction that do not contact of water droplet, thereby can guarantee the fail safe of fan electromotor.
In addition,, therefore can cut down the component number of cooling fan, realize the reduction of manufacturing cost owing to need not to be provided with the waterproof cover of fan motor.
In addition, although turbine fan sucks under the situation of water at the fan suction inlet,, therefore form water droplet and paying in the structure that has covered on the shell inwall of fan because water droplet also is dispersed in centrifugal direction.Can make the water-drop evaporation of paying in fan hub by rotational flow.According to this effect, by using turbine fan to the greatest extent, water droplet can directly not disperse to wiring board etc., can guarantee the reliability of induction heating cooking instrument.
Description of drawings
Fig. 1 is the stereoscopic figure of the induction heating cooking instrument of expression one embodiment of the present of invention.
Fig. 2 takes out the inscape of the induction heating cooking instrument of Fig. 1 from main body, the exploded perspective view of expression electronic circuit board and fan installment state.
Fig. 3 is in the induction heating cooking instrument of Fig. 2, the sectional view that cuts off at the substantial middle place of the induction heating portion on right side.
Fig. 4 takes out the inscape of the induction heating cooking instrument of Fig. 1 from main body, the exploded perspective view of the cooling air channel of expression electronic circuit board.
Fig. 5 is in the induction heating cooking instrument of Fig. 1, sees through in the wiring board case, represents the profile of the installment state of undermost electronic circuit board 6.
Fig. 6 is in the induction heating cooking instrument of Fig. 1, sees through in the wiring board case profile of the installment state of the electronic circuit board 7 in expression intermediate layer.
Fig. 7 is expression tube-axial fan general characteristic figure.
Fig. 8 is the schematic diagram of many blade fans and turbine fan.
Fig. 9 is the key diagram of the fan unit of explanation one embodiment of the present of invention.
Embodiment
With reference to the description of drawings embodiments of the present invention.
Embodiment 1
Below, as one embodiment of the present of invention, utilize Fig. 1～Fig. 3 that embodiment 1 is described.
Present embodiment is enumerated possesses two induction heating portions, a heater heats portion, and the induction heating cooking instrument of a roaster describes.
The overall structure of the induction heating cooking instrument of one embodiment of the invention at first, is described.Fig. 1 is the stereoscopic figure of the induction heating cooking instrument of present embodiment, is the figure of the common representative structure of expression induction heating cooking instrument of present embodiment and existing induction heating cooking instrument.
Fig. 2 takes out the top board in the induction heating cooking instrument of present embodiment etc. from main body, the exploded perspective view of the installment state of expression electronic circuit board and fan.
Fig. 3 is in the induction heating cooking instrument of present embodiment, the sectional view that cuts off at the substantial middle place of the induction heating portion on right side.In addition, arrow is represented cooling air among the figure.
Top board 1 be arranged on main body 2 above, make the load of carrying pot etc. with glass.
Have the load coil 3 of corresponding right induction heating portion and the load coil 4 of corresponding left induction heating portion in the bottom of top board 1, by the mobile generation magnetic line of force of high-frequency current, to pot superheated as load.
Back part in main body 2 inside is provided with the fan unit 5 that has used turbine fan, supplies with cooling airs to electronic circuit board 6,7,8 etc. and load coil 3 and cools off.
In the present embodiment, as exemplary, though represented to have three electronic circuit boards, two fan outlets, separated an example of the structure of load coil and electronic circuit board side runner, but also can be load coil with in electronic circuit board is configured in identical runner.
The cooling air that sucks from the air entry 15 of main body 2 is imported into the suction inlet 9 of fan unit 5, obtain momentum by impeller 10 with the blade backwards that drives by fan motor 14, and after the direction that impeller 10 intrinsic deflections 90 degree flow to, the flow direction that in fan hub 13, further turn 90 degrees partially, can supply with electronic circuit board 6,7,8 from the outlet 12 that is arranged on the fan motor seat 40, and supply with load coil 3 from outlet 11.
The direction of suction inlet 9 and outlet 11,12 is configured on the axial consistent direction with impeller 10.On the fan hub 13 of the suction runner of regulation suction inlet 9 of fan unit 5 and air entry 15, be provided with the hole circle 31 that is used for importing the rectification air to suction inlet 9.
The fan motor 14 that is fixed on the fan motor seat 40 adopts the structure that is configured in electronic circuit board 6,7, the 8 side spaces.
Be provided with operating portion 17 in main body 2 fronts, dispose the mains switch of machine integral body and the output of load coil 3,4 and pharoid 21 and adjust knob etc.Side in face of on main body 2, configuration liquid crystal panel 18 with the output of liquid crystal display sensing heating part, is passed on the intensity that adds thermal output to the user.
Blow vent 22 is arranged on the opening of top board 1 side wall surface of the wiring board case 60 that supports load coil 3, is arranged near the below of load coil 3.In addition, blow vent 23 is to be used for the cooling air that the outlet 11 from fan unit 5 blows out directly blown on the load coil 3 and the peristome that is provided with.
In addition, near the blow vent that is used for below the left side load coil 4 can be provided with as required, with the configuration consistency of roaster 19, can be arranged on the below of load coil 4 or on every side near.In the present embodiment, the structure that blow vent only is set at the load coil 3 on right side is described.
The molar behavior of explanation in above structure.
Pot is placed in the right induction heating portion, and on the top board 1 of promptly right load coil 3 tops, the mains switch of making operation portion 17 is adjusted knob with the output of the right induction heating of correspondence portion and is adjusted in the output of expectation.
So electronic circuit board 6,7,8 makes high-frequency current flow through right load coil 3, produces the magnetic line of force from induction heating 3, to the pot superheated.Simultaneously, electronic circuit board 6,7,8 drives impeller 10.
The cooling air that has passed blow vent 22 and blow vent 23 blows to the space that disposes load coil 3 etc., mainly blows on the right load coil 3, and makes its cooling, is discharged to the extraneous gas from the exhaust outlet 16 that is arranged on main body 2 rear portions thereafter.
Also have, the cooling air of supplying with to electronic circuit board 7 is cooling air from electronic circuit board 6 to be risen obtain in the gap of electronic circuit board 7.
The waterproof construction of fan unit 5 of the present invention then, is described.
The runner of 5 suction inlet 9 from air entry 15 to fan unit, adopt following flow passage structure: on runner wall 24 above top board 1 side, be configured such that air-breathing runner to narrow down and the following oblique water controlling board 25 of direction main body 2 back part inclinations, the barrier structure 28 of the water droplet stop that the rake 27 by main body 2 back parts disperses is set on runner wall 26 below agent-oriention 2 bottom sides, is constituting the flow passage structure that is provided with discharge outlet 29 and discharge outlet 33 on the runner wall 26 below the upstream side of barrier structure 28 and the downstream.Though situation about being arranged on the below runner wall 26 is understood in the position that is provided with of the barrier structure 28 shown in the present embodiment, also can on the rake 27 that is arranged on main body 2 back parts barrier structure 28 be set.
Here, the water that enters main body 2 inside is described.
Owing to being placed on toppling over or reason such as overflowing when boiling of pot on the top board 1, water enters into air entry 15.As the main track of the water that enters from air entry 15, can enumerate following three kinds.First kind is the situations of a large amount of water inlets, and the most of water by air entry 15 flows directly on rake 28 or the below runner wall 26.Second kind be small amount of water to top runner wall 24, water droplet drops near the suction inlet 9 of fan unit 5.As the third, the micro-water droplet that is dispersed by air entry 15 below runners is directly attracted by the suction inlet 9 of fan unit 5.
According to said structure, the waterproof construction to the water that enters from air entry 15 is described.
The part of the water that enters from air entry 25 is directed to current along the inclined-plane of water controlling board 25 back part wall 30 directions of main body 2, and control is dispersed to the water droplet of fan unit 5 sides.Though the part water of paying on rake 27 splashes fan unit 5 sides, collide barrier structure 25 and be blocked.In addition, paying the part of water owing to discharge to main body 2 outsides, therefore the amounts of spilling that can cut down water from discharge outlet 29.Therefore, enter the situation of big water gaging,, can stop the water in the suction inlet 9 that enters fan unit 5 by water controlling board 25, barrier structure 28, discharge outlet 29.
In addition, the water droplet that flows along top runner wall 24 can be brought under control by water controlling board 25 current, is paying on rake 27.Therefore, enter the situation of low amounts of water etc., can obtain the waterproof effect of fan unit 5 by water controlling board 25.
In addition, enter the situation of the suction inlet 9 of fan unit 5 midway at the micro-water droplet that disperses of air-breathing runner, arrange to centrifugal direction by the rotation of impeller 10, paying on the internal face relative with the side with impeller 20 of fan hub 13, water droplet can directly not paid on electronic circuit board 6,7,8 or load coil 3.
The water droplet of paying on fan hub 13 internal faces can utilize the rotational flow of impeller 10 to make its evaporation.
According to above flow passage structure, owing to can prevent entering of water droplet that the suction inlet 9 by fan unit 5 disperses to electronic circuit board, therefore, can be prevented because the paying loss, can guarantee the effect of the reliability of electronic circuit board and load coil of water droplet electronic component.
In addition, by fan motor 40 being configured in the space of electronic circuit board 6,7,8,, therefore can guarantee the fail safe of fan motor owing to form the waterproof construction that the water droplet interior with entering the air-breathing runner of main body do not contact.
In addition, owing to fan motor is not configured near the suction inlet 9 of fan unit 5, and, flow passage structure behind combination water controlling board 25 and the barrier structure 28 can be guaranteed the free space in suction inlet 9 upstreams of fan unit 5, therefore can realize the flow passage structure of high air quantity low noise, to realize the reduction of flowpath pressure loss.
In addition, because by in fan unit 5, using turbine fan, the available centrifugal high pressure that obtains, the identical mobile supply electronic circuit board 6,7,8 of VELOCITY DISTRIBUTION with the muzzle velocity that reduced outlet 11,12, therefore as multi blade fan, be difficult to the barrier under the outlet is impacted, can realize the flow passage structure of induction heating cooking instrument with low noise.
In addition,, therefore can cut down the component number of cooling fan, realize the reduction of manufacturing cost because the waterproof cover of fan motor needn't be set.
As one embodiment of the present of invention, utilize Fig. 4, Fig. 5, Fig. 6 that the induction heating cooking instrument of embodiment 2 is described.
Fig. 4 takes out top board etc. from main body, the exploded perspective view of the cooling air channel of expression electronic circuit board.Fig. 5 sees through in the wiring board case, represents the cutaway view of the installment state of undermost electronic circuit board 6.Fig. 6 sees through in the wiring board case, the cutaway view of the installment state of the electronic circuit board 7 in expression intermediate layer.
Downstream at the outlet 12 of fan unit 5 is provided with electronic circuit board 6,7.Be arranged on the undermost electronic circuit board 6 of main body 2 bottoms, the radiator 41 that employing will be provided with the big parts of caloric value is configured near the structure the outlet 12, is communicated with outlet 12 and radiators 41 by passage 50.
The electronic circuit board 7 that is configured in electronic circuit board 6 upper stratas equally also adopts near the structure that has disposed the radiator 42 that is provided with the big parts of caloric value outlet 12, is communicated with outlet 12 and radiator 42 by passage 50.In addition, the other end of the radiator 42 of electronic circuit board 7 is provided with baffle plate 43, and this baffle plate 43 extends to the 3rd layer electronic circuit board 8 sides that are arranged on electronic circuit board 7 upper stratas.
According to above structure, flowing of cooling air in the wiring board case 60 in fan unit 5 downstreams is described.
The cooling air of, electronic circuit board 6 by be arranged on main body 2 bottoms 12 that blow out from outlet by the driving of fan unit 5, after passing through radiator 41, collide on the wall of wiring board case 60 of main body 2 front sides, the U type is inverted to fan unit 5 sides of radiator 41 other ends, blow in the fan motor space 51 of fan motor seat 40 and baffle plate 43, cool off the 3rd layer of electronic circuit board 8.A part of cooling fan motor 14 by the cooling air in the fan motor space 51.
Drive, cooling air by 2nd layer electronic circuit board 7 12 that blow out by behind the radiator 42 by fan unit 5 from outlet, collide on wiring board case 60 walls of main body 2 front sides, the U type is inverted to baffle plate 43 directions of fan unit 5 sides, blow in the 3rd layer of electronic circuit board space 52 of baffle plate 43 and the 3rd layer of electronic circuit board 8, cool off the 3rd layer of electronic circuit board 8.
Cool electronic wiring board 6 and electronic circuit board 7, the cooling air that can supply to electronic circuit board 8 blow to load coil 3 and to its cooling, are discharged to the outside by the exhaust outlet 16 of main body 2 from the blow vent 22 of wiring board case 60 behind cool electronic wiring board 8.
According to above flow passage structure, because cooling air is blown on the fan motor that is arranged on the electronic circuit board side, the temperature that can suppress motor rises, and therefore can obtain guaranteeing the effect of the fail safe of fan motor.
As one embodiment of the present of invention, utilize the induction heating cooking instrument of Fig. 1,2,3 and 9 explanation embodiment 3.
Induction heating cooking instrument shown in Figure 1 possesses top board on main body, its main body is assembled at end face as whole kitchen and front to be possessed in the kitchen furniture of peristome.General, so built-in induction heating cooking instrument is owing to the end face peristome from given size inserts, so the capacity of main body is defined naturally.
Therefore, when the raising of adaptive device function, the integrated level of the parts of installing in the main body is also more and more higher.As shown in Figure 2, when the integrated level of the electronic component on the electronic circuit board 6,7 that a plurality of heater coils of control drive improves, flow between parts in order to make cooling air, cooling air must have sufficient pressure.
Therefore, fan unit 5 must at least with heater coil 3,4 and electronic circuit board 6,7,8 in any one space that is communicated with supply with the more cooling air of high pressure, in the present embodiment, use turbine fan as impeller 10, form the discharge space of turbine fan by fan hub 13 and tabular fan motor seat 40; Wherein, fan hub 13 be to should possessing suction inlet 9 on the position of turbine fan suction portion, and this fan motor seat 40 is connected with expanding to as the suction portion side of turbine fan and the end of fan hub 13 of discharging the side of side.
Turbine fan is compared with sirocco fan, since slower at the flow velocity of circumferencial direction air-out stream, also can obtain pressure even therefore change the flow direction of air-flow.That is,, when therefore changing flow direction, then can not get sufficient blast, be not suitable as the cooling air on the electronic circuit board of supplying with high-density installation because the flow velocity that the air that flows out from sirocco fan flows is very fast.
On the other hand, owing to the flow velocity of the air-flow of discharging from turbine fan is slower, even direction changes the reduction that also can not cause pressure and can supply with cooling air with the state of guaranteeing sufficient wind speed, therefore, be suitable for use as supply most by the cooling air on the electronic circuit board of high-density installation.
In the present embodiment, as shown in Figure 9, in the discharge space of the inboard that is formed at fan unit 5, the stream pressure that has changed direction changes its direction hardly with reducing, by being arranged on the outlet 11,12 on the fan motor seat 40, can supply with heater coil 3,4 and electronic circuit board 7,8 with sufficient wind speed.
In addition, the air of being supplied with by impeller 10 flows owing to supply with to wholecircle Zhou Fangxiang, inwall at the fan hub 13 of suction face that forms fan unit 5 and side changes its direction, therefore, also outlet 11,12 can be arranged on the optional position of the fan motor seat 40 of the discharge face that forms fan unit 5.
Therefore, outlet 11,12 is not only at the space opening with respect to connection heater coil or wiring board, in particular, for example, owing to outlet 11,12 can be arranged on the position relative with the bigger element of heat dissipation capacity on the electronic circuit board, thereby owing to adopt the fan unit 5 of present embodiment, design freedom is very high.
In addition, owing to the aperture area of outlet 11,12 also can freely be set, thereby when the high air quantity of needs,, can guarantee necessary cooling performance by setting big opening.
Also have, as described in present embodiment, by fan motor 14 is configured in the wiring board side, owing to can reduce the area that is provided with of fan unit 5, therefore, can obtain effect aspect inner components highly integrated advancing.
Also have, at the turbine fan (impeller 10) of present embodiment explanation, its fan outer diameter D and fan inside diameter D 1 satisfy the relation of inner/outer diameter=0.4～0.6.In addition, the exit angle that is arranged on a plurality of blades on the impeller 10 is for smaller or equal to 110 °, and the sheet number of blade 36 is less than and equals 15.
Claims (4)
1. an induction heating cooking instrument possesses top board on main body, has in the aforementioned body: a plurality of heater coils that are arranged on above-mentioned top board below; Control the electronic circuit board of the driving of above-mentioned a plurality of heater coils, compare with this electronic circuit board and be arranged on the aforementioned body rear and have the fan unit of sending the fan of air stream to above-mentioned heater coil and above-mentioned electronic circuit board; And between the bottom of the back wall portion of the aforementioned body at this fan unit rear and aforementioned body, from above-mentioned back wall portion to the rake of above-mentioned bottom angled in the said fans cell side; The aforementioned body rear be above-mentioned back wall portion above, be provided with air entry, it is characterized in that:
The said fans unit has: be arranged between above-mentioned air entry and the said fans and have partitions towards the air suction inlet of said fans, be configured in the above-mentioned electronic circuit board side of said fans unit and drive the fan motor of said fans, and support this fan motor, be arranged between said fans and above-mentioned heater coil and the above-mentioned electronic circuit board and have the fan motor support portion that ejects from the outlet of the air of said fans.
2. induction heating cooking instrument according to claim 1, it is characterized in that: between above-mentioned air suction inlet and above-mentioned rake and stop the barrier structure of the water droplet that disperses from above-mentioned rake, be arranged on the peristome of the aforementioned body below in the space between above-mentioned barrier structure and the above-mentioned rake, and the control water portion that this air-breathing runner is narrowed down be set midway in the face of the air-breathing runner of aforementioned body back part.
3. induction heating cooking instrument according to claim 1 is characterized in that: said fans is a turbine fan.
4. induction heating cooking instrument, on main body, possesses top board, have in the aforementioned body: be arranged on a plurality of heater coils of above-mentioned top board below, control the electronic circuit board of the driving of above-mentioned a plurality of heater coils, cool off the fan of above-mentioned heater coil and above-mentioned electronic circuit board; Be provided with the air entry of said fans at the aforementioned body rear portion, it is characterized in that:
Said fans is a turbine fan, possesses fan unit, the said fans unit has: this turbine fan, have the suction inlet corresponding with the suction portion of this turbine fan and be arranged on above-mentioned turbine fan and with space that above-mentioned air entry is communicated with between suction face, the side that is connected and covers the circumferencial direction of above-mentioned turbine fan with this suction face, and be connected with this side and be arranged on discharge face between above-mentioned heater coil and above-mentioned wiring board and the above-mentioned turbine fan; Above-mentioned discharge face is provided with, and above-mentioned outlet is being communicated with any one space inner opening of above-mentioned heater coil and above-mentioned wiring board at least.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005261504 | 2005-09-09 | ||
| JP2005261504A JP4384099B2 (en) | 2005-09-09 | 2005-09-09 | Induction heating cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1929703A true CN1929703A (en) | 2007-03-14 |
| CN100588301C CN100588301C (en) | 2010-02-03 |
Family
ID=37859431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610002275A Expired - Fee Related CN100588301C (en) | 2005-09-09 | 2006-01-27 | Inductive heating cooker |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4384099B2 (en) |
| CN (1) | CN100588301C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102918926A (en) * | 2010-06-07 | 2013-02-06 | 阿塞里克股份有限公司 | Induction heating cooker |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61259485A (en) * | 1985-05-14 | 1986-11-17 | 松下電器産業株式会社 | Induction heating cooker |
| JPH10292925A (en) * | 1997-02-19 | 1998-11-04 | Daikin Ind Ltd | Blower device |
| JP3668597B2 (en) * | 1997-09-10 | 2005-07-06 | 株式会社東芝 | Cooker |
| JP3613109B2 (en) * | 2000-01-13 | 2005-01-26 | 松下電器産業株式会社 | Induction heating cooker |
| JP2001324151A (en) * | 2000-05-15 | 2001-11-22 | Rinnai Corp | Cooking appliance |
| JP3646641B2 (en) * | 2000-10-02 | 2005-05-11 | 松下電器産業株式会社 | Induction heating cooker |
-
2005
- 2005-09-09 JP JP2005261504A patent/JP4384099B2/en not_active Expired - Fee Related
-
2006
- 2006-01-27 CN CN200610002275A patent/CN100588301C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102918926A (en) * | 2010-06-07 | 2013-02-06 | 阿塞里克股份有限公司 | Induction heating cooker |
| CN102918926B (en) * | 2010-06-07 | 2015-07-29 | 阿塞里克股份有限公司 | Induction heating cooking instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4384099B2 (en) | 2009-12-16 |
| JP2007073452A (en) | 2007-03-22 |
| CN100588301C (en) | 2010-02-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4384100B2 (en) | Induction heating cooker | |
| JP4310300B2 (en) | Induction heating cooker | |
| JP2007311213A (en) | Induction heating cooker | |
| JP4206416B2 (en) | Induction heating cooker | |
| JP2005302407A (en) | Induction heating cooking device | |
| CN1929703A (en) | Inductive heating cooker | |
| JP2007294474A (en) | Induction heating cooker | |
| JP2004039263A (en) | Electromagnetic cooker | |
| JP2013026167A (en) | Induction heating cooker | |
| JP6858102B2 (en) | Induction heating cooker | |
| CN205726833U (en) | Wall-breaking machine | |
| CN101307918A (en) | Micro-wave oven air discharging electric motor units possessing oil smoke suction function | |
| CN218480641U (en) | Integrated kitchen | |
| CN217610606U (en) | Cooking utensil | |
| JP4384104B2 (en) | Induction heating cooker | |
| CN218006828U (en) | Heat dissipation support | |
| CN220442452U (en) | Cooking machine convenient to heat dissipation | |
| CN217907398U (en) | Cooking utensil | |
| CN217696199U (en) | High-efficient air fryer | |
| CN219140917U (en) | Ceiling type air conditioner | |
| JP5035260B2 (en) | Built-in cooking device | |
| CN218001030U (en) | Heat dissipation support | |
| CN218565572U (en) | Air duct machine | |
| CN218104039U (en) | Heat abstractor and oven | |
| CN110375349B (en) | Side-draft range hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20110127 |