CN108013736A - A kind of IH electric cookers - Google Patents
A kind of IH electric cookers Download PDFInfo
- Publication number
- CN108013736A CN108013736A CN201711176104.8A CN201711176104A CN108013736A CN 108013736 A CN108013736 A CN 108013736A CN 201711176104 A CN201711176104 A CN 201711176104A CN 108013736 A CN108013736 A CN 108013736A
- Authority
- CN
- China
- Prior art keywords
- liner
- cooker body
- heater element
- radiator
- pot lid
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/24—Warming devices
- A47J36/2483—Warming devices with electrical heating means
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of IH electric cookers, belong to household electrical appliance technical field, it includes cooker body, pot lid, liner and radiator；The cooker body lower part is provided with radiator, which can be sent into outer gas stream inside cooker body, and air-flow is flowed out outside cooker body through outer surface of liner, the finally gas channel out of cooker body；Pot lid is used to cover on cooker body top.The IH rice cooker structures are succinctly ingenious, inner ventilation good heat dissipation, can realize the internal microelectronic element of fast cooling temperature control protection.Electric cooker service life is grown, and rate of breakdown is low.
Description
【Technical field】
The present invention relates to household electrical appliance technical field, and in particular to a kind of IH electric cookers.
【Background technology】
The operation principle of IH electric cookers is that directly metal inner tube is carried out by connecting the electromagnetic induction coil of alternating current
Heat temperature raising.Compared with tradition conducts the electric cooker that heat liner is heated by heating dish, IH electric cookers have many excellent
Gesture, such as, liner programming rate is fast, and firepower is strong；The advantages that rice is heated evenly comprehensively, and the thermal efficiency is high.Existing electric cooker is extensive
There are it is such the problem of：Whole electric cooker inner ventilation heat dissipation is bad, and heat temperature raising is easy, and fast cooling temperature control is difficult to have
Giving free rein to the passivity drawback of cooling, long-time high-temperature is heated inside electric cooker, is easy to cause equipment aging acceleration itself,
Especially microelectronic element, such as the IGBT module being connected between induction coil and source current.High-temperature can influence electric meal
The service life of pot, rate of breakdown are high.
【The content of the invention】
The present invention provides a kind of IH electric cookers for being capable of fast cooling temperature control so that electric cooker inner ventilation good heat dissipation, prevents
Humidity, protects internal electronic element from infringement, prolongs the service life.
The technical solution that the present invention takes is：
A kind of IH electric cookers, including cooker body, pot lid, liner and radiator；Cooker body is equipped with the receiving for accommodating the liner
Chamber, liner are stuck in cooker body top edge, and sky is received to be had the gap between chamber wall and liner；
Inner container side surface and bottom surface are provided with peviform heater element, which includes skeleton and inductance coil, inductance
Coil is coiled on skeleton, for heating the liner；The heater element bottom opens up hole, which is provided with for feeling
Survey the temperature sensor of liner temperature；Heat-insulated liner plate is provided between heater element and liner, is had between heat-insulated liner plate and liner logical
Air cleft gap；
The radiator is provided below in heater element, and radiator includes fan and ventilating duct, and ventilating duct is up and down
The pipe fitting of opening, fan are installed in ventilating duct and air-flow are entered by an opening, from another opening outflow；Ventilating duct enters
Air port connects cooker body outer air stream, its air outlet is corresponding with heater element hole；
There is gas channel in the cooker body, the first ventilation of connection gas channel and accommodating chamber is offered on cooker body top
Hole, the second ventilation hole outside connection gas channel and cooker body is offered in cooker body lower part；
The pot lid is used to cover the chamber offered in cooker body top, pot lid for storing control unit, and control is single
Member is electrically connected with fan, temperature sensor respectively；Pot lid bottom surface is provided with thermal insulation layer；
Outer gas stream is sent into the hole of heater element by radiator, via the ventilation gap, the first ventilation hole, air-flow
Passage, the second ventilation hole, finally flow out from cooker body lower part.
Further, the liner includes ceramic liner body and heating layer, and it is external that heating layer is attached to ceramic liner sheet
Layer；Preferably, the heating layer is 202 stainless steels.
Further, the heat-insulated liner plate is more crystal glass.
Further, the ventilating duct upper and lower opening is provided with catch net.
Using technical solution of the present invention, have the advantages that：The IH rice cooker structures of the present invention are succinctly ingenious, electric meal
It is fast to stew internal cooling speed；The radiator of tubular can outer gas stream be sent into electric cooker inside, air-flow through inner bladder outer wall most
Afterwards outside the gas channel outflow cooker body out of cooker body, cooling is rapid.
【Brief description of the drawings】
Fig. 1 is the diagrammatic cross-section of one embodiment of the present of invention；
Fig. 2 is 5 schematic perspective view of radiator in Fig. 1；
Wherein：1- cooker bodies, the first ventilation holes of 11-, 12- gas channels, the second ventilation holes of 13-, 2- pot lids, 21-
Chamber, 211- control units, 22- thermal insulation layers, 3- liners, 31- heating layers, 4- heater elements, 41- skeletons, 42- electricity
Sense coil, 43- holes, 431- temperature sensors, 5- radiators, 51- fans, 52- ventilating ducts, 6- air deflectors,
61- through holes, 7- articulated structures, the heat-insulated liner plates of 8-, 9- flow areas.
【Embodiment】
In order to which those skilled in the art more fully understand the present invention, below according to the more excellent possible embodiments of the present invention
The present invention is described in further detail.It is worth noting that, the present embodiment is not limited to the guarantor of present patent application
Scope is protected, equal change or the modification change completed under all technical spirits prompted in the present invention, should all belong to institute of the present invention
The scope of patent protection covered.
Referring to attached drawing 1 to 2, a kind of IH electric cookers, including cooker body 1, pot lid 2, liner 3, heater element 4 and radiator 5.
Cooker body 1 is equipped with the accommodating chamber for accommodating the liner 3, and liner 3 is stuck in 1 top edge of cooker body, and sky is received seamed between chamber wall and liner 3
Gap.In the present embodiment, liner 3 includes ceramic liner body and heating layer 31.Heating layer 31 be 200 be in stainless steel 202
Stainless steel, and it is attached to ceramic liner this volume surrounding, it is preferable that heating layer 31 is attached to the outer layer of ceramic liner body lower part.
3 side of liner and bottom surface are provided with peviform heater element 4, which includes skeleton 41 and inductance coil
42.The skeleton 41 is the peviform plastic skeleton of insulating materials, and inductance coil 42 is coiled on skeleton 41, and the access of inductance coil 42 is handed over
Time-dependent current can heat the liner 3.4 bottom of heater element opens up hole 43, it is preferable that 4 bottom of heater element
Hole 43 is opened up at center.The temperature sensor 431 for being used for detecting 3 temperature of liner is equipped with the hole 43.Heater element 4 with
Heat-insulated liner plate 8 is provided between liner 3, which is polycrystalline glass material, has ventilation between heat-insulated liner plate 8 and liner 3
Gap 14.
Radiator 5 is provided below in heater element 4, and radiator 5 includes fan 51 and ventilating duct 52, and ventilating duct 52 is
The pipe fitting of upper and lower opening, it is preferable that be provided with catch net at pipe fitting upper and lower opening.Fan 51 is installed in ventilating duct 52, fan
During 51 energization work so that outer gas stream is entered by an opening, from another opening outflow.The air intake vent connection cooker body of ventilating duct 52
1 extraneous air, the air outlet of ventilating duct 52 is corresponding with the hole 43 of heater element 4, is flowed out from the air outlet of ventilating duct 52
Air-flow can enter the hole 43 of heater element 4.
Cooker body 1 lower part of the heater element below 4 is provided with an air deflector 6, which has the through hole of ventilation
61, flow area 9 is formed between heater element 4 and air deflector 6.Ventilating duct 52 is fixedly mounted by air deflector 6, ventilating duct
52 run through air deflector 6, air intake vent connection 1 outer air stream of cooker body of ventilator 52, the air outlet of ventilating duct 52 and heating
The hole 43 of device 4 is corresponding.
There is gas channel 12 in the cooker body 1, is offered on 1 top of cooker body and connects the of gas channel 12 and accommodating chamber
One ventilation hole 11, connection gas channel 12 and the second ventilation hole 13 of flow area 9 are offered in 1 lower part of cooker body；Air-flow is by dissipating
The ventilating duct 52 of thermal 5 is sent into the hole 43 of heater element 4, leads to via the ventilation gap 14, the first ventilation hole 11, air-flow
Road 12, the second ventilation hole 13, flow area 9, finally the air deflector 6 from 1 lower part of cooker body flow out.
The pot lid 2 is used to cover on 1 top of cooker body, and the top of pot lid 2 is provided with display screen and switch button.In this reality
Apply in example, pot lid 2 is connected with cooker body 1 by articulated structure 7.The chamber for storing control unit 211 is offered in pot lid 2
21, control unit 211 is electrically connected with fan 51, temperature sensor 431 respectively.2 bottom surface of pot lid is provided with thermal insulation layer 22, to
Prevent amount of heat from conducting to pot lid 2.
A kind of cooling temperature control method based on above-mentioned IH electric cookers：
S1：The liner 3 for adding rice and water is stuck in 1 top edge of cooker body, and pot lid 2 is covered on 1 top of cooker body；Power on, control
Unit 211 processed enters working status, presses switch button of cooking, 211 controlling power circuit of control unit, and inductance coil 42 accesses
High power alternating current, display screen show that heating is cooked state, and IH electric cookers are cooked operating mode into heating；Liner 3 is added
Heat heating, begins to warm up and cooks, liquid boiling water, and temperature is maintained at boiling temperature, and moisture is reduced；When 3 bottom moisture of liner is reduced,
Rice paste starts to stammer, and 3 temperature of liner raises again；Temperature sensor 431 senses 3 temperature of liner in real time, and it is single to be sent to control
Member 211, control unit 211 judge whether 3 temperature of liner reaches the fixed temperature line of required cooling temperature control, when in 3 temperature of liner
When rising to the fixed temperature line of default required cooling temperature control；
S2：211 controlling power circuit of control unit, disconnects the electric current of inductance coil 42, at the same time, the fan 51 connects
Entering electric current and start to work, outer gas stream enters from 52 air intake vent of guide duct, is pumped to the hole 43 of heater element 4, via
The ventilation gap 14, the first ventilation hole 11, gas channel 12, the second ventilation hole 13, flow area 9, finally from 1 lower part of cooker body
Air deflector 6 flow out；
S3：3 temperature of liner drops to the insulation critical lower limit temperature (insulation of the present embodiment that the IH electric cookers pre-set
Critical lower limit temperature is 50 DEG C), 211 controlling power circuit of control unit, IH electric cookers enter heat insulation work pattern：Fan 51 stops
Only work, induction coil 42 accesses low-power alternating current, and temperature sensor 431 senses 3 temperature of liner and is sent to control in real time
Unit 211 processed, control unit 211 judge whether temperature reaches insulation critical upper limit temperature (the insulation critical upper limit of the present embodiment
Temperature is 65 DEG C)；
S4：Reach default insulation critical upper limit temperature when 3 temperature of liner rises, the IH electric cookers repeat the above steps
S2, critical lower limit temperature is kept the temperature until 3 temperature of liner drops to, at this time, 211 controlling power circuit of control unit, IH electric cookers
Into heat insulation work pattern.
Claims (5)
1. a kind of IH electric cookers, it is characterised in that including cooker body, pot lid, liner and radiator；Cooker body, which is equipped with, to be accommodated in described
The accommodating chamber of courage, liner are stuck in cooker body top edge, and sky is received to be had the gap between chamber wall and liner；
Inner container side surface and bottom surface are provided with peviform heater element, which includes skeleton and inductance coil, inductance coil
It is coiled on skeleton, for heating the liner；The heater element bottom opens up hole, which is provided with sensing
The temperature sensor of courage temperature；Heat-insulated liner plate is provided between heater element and liner, has louver between heat-insulated liner plate and liner
Gap；
The radiator is provided below in heater element, and radiator includes fan and ventilating duct, and ventilating duct is upper and lower opening
Pipe fitting, fan be installed on ventilating duct in and cause air-flow by one opening enter, from it is another opening outflow；The air intake vent of ventilating duct
Cooker body outer air stream is connected, its air outlet is corresponding with heater element hole；
There is gas channel in the cooker body, connection gas channel and the first ventilation hole of accommodating chamber are offered on cooker body top,
The second ventilation hole outside connection gas channel and cooker body is offered in cooker body lower part；
The pot lid is used to cover the chamber offered in cooker body top, pot lid for storing control unit, control unit point
It is not electrically connected with fan, temperature sensor；Pot lid bottom surface is provided with thermal insulation layer；
Outer gas stream is sent into the hole of heater element by radiator, is led to via the ventilation gap, the first ventilation hole, air-flow
Road, the second ventilation hole, finally flow out from cooker body lower part.
2. a kind of IH electric cookers as claimed in claim 1, it is characterised in that the liner includes ceramic liner body and fever
Layer, heating layer are attached to ceramic liner this volume surrounding.
3. a kind of IH electric cookers as described in power kind requires 2, it is characterised in that the heating layer is 202 stainless steels.
4. a kind of IH electric cookers as claimed in claim 1, it is characterised in that the heat-insulated liner plate is more crystal glass.
5. a kind of IH electric cookers as claimed in claim 1, it is characterised in that the ventilating duct upper and lower opening is provided with protection
Net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176104.8A CN108013736A (en) | 2017-11-22 | 2017-11-22 | A kind of IH electric cookers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711176104.8A CN108013736A (en) | 2017-11-22 | 2017-11-22 | A kind of IH electric cookers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108013736A true CN108013736A (en) | 2018-05-11 |
Family
ID=62080756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711176104.8A Pending CN108013736A (en) | 2017-11-22 | 2017-11-22 | A kind of IH electric cookers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108013736A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403686A (en) * | 2021-12-06 | 2022-04-29 | 九阳股份有限公司 | Electric rice cooker convenient to clean |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0399517U (en) * | 1990-01-25 | 1991-10-17 | ||
| JPH05309037A (en) * | 1992-05-12 | 1993-11-22 | Matsushita Electric Ind Co Ltd | Heating device for cooker |
| JPH07163454A (en) * | 1993-12-15 | 1995-06-27 | Sharp Corp | Heat-retaining rice cooker |
| JP3595712B2 (en) * | 1999-01-20 | 2004-12-02 | 象印マホービン株式会社 | Pressure cooker |
| CN102210552A (en) * | 2011-04-29 | 2011-10-12 | 杨达开 | Intelligent electric pressure cooker |
-
2017
- 2017-11-22 CN CN201711176104.8A patent/CN108013736A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0399517U (en) * | 1990-01-25 | 1991-10-17 | ||
| JPH05309037A (en) * | 1992-05-12 | 1993-11-22 | Matsushita Electric Ind Co Ltd | Heating device for cooker |
| JPH07163454A (en) * | 1993-12-15 | 1995-06-27 | Sharp Corp | Heat-retaining rice cooker |
| JP3595712B2 (en) * | 1999-01-20 | 2004-12-02 | 象印マホービン株式会社 | Pressure cooker |
| CN102210552A (en) * | 2011-04-29 | 2011-10-12 | 杨达开 | Intelligent electric pressure cooker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114403686A (en) * | 2021-12-06 | 2022-04-29 | 九阳股份有限公司 | Electric rice cooker convenient to clean |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180511 |