CN208892261U - A kind of pressure cooker - Google Patents
A kind of pressure cooker Download PDFInfo
- Publication number
- CN208892261U CN208892261U CN201721194968.8U CN201721194968U CN208892261U CN 208892261 U CN208892261 U CN 208892261U CN 201721194968 U CN201721194968 U CN 201721194968U CN 208892261 U CN208892261 U CN 208892261U
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- China
- Prior art keywords
- pot body
- pressure cooker
- noninductive coil
- noninductive
- coil
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Abstract
A kind of pressure cooker due to introducing noninductive coil for heating, and noninductive coil is set in pot body；So that the thermal inertia of heat transfer can be ignored substantially, the effect of heat transfer is fine；Also, the temperature of inner surface of pot body rises also quickly, can or transient heating quick to food or water；In addition, so that not needing too high temperature in itself, positive thermal resistance effect is unobvious since hot sensing efficiency is high；Electric current is equal everywhere in noninductive coil, unlike being given containing iron pot heating electromagnetic oven, if forming multiple vortex currents on iron pot；Electric current thus in noninductive coil is equal everywhere, uniform heat distribution；Since noninductive coil is substantially without reactance, so that reactive power consumption is very low, the power of pressure cooker can be made very high.
Description
Technical field
The present invention relates to a kind of pressure cookers.
Background technique
At present in kitchen when cooking cooks equal, there are mainly three types of the technological means of heating.
The first, natural gas or piped gas etc. are used as the energy to be heated, so that cooking is cooked.This way
It is to be heated using open fire fever, disadvantage is mainly that pipeline is laid to that this is very high, especially for some old film areas
Pipeline is laid with transformation.
The second, carry out cooking using electric furnace heating to cook.
Electric furnace generally includes container made of the materials such as ceramics and the heating wire around container setting, and principle is hair
Heated filament generates heat after being powered, and passes to the container being substantially surrounded, to realize the purpose heated to the food materials in the container.
The shortcomings that electric furnace, is: 1. due to the thermal inertia of heat transfer, so that the effect of heat transfer is bad, constraining finally to food
The temperature that material is heated；In turn, to reach the final heating temperature met reluctantly (such as 300 degree), then need heat
The temperature in source (such as above-mentioned heating wire) itself is very high (such as 1500 degree)；2. heating wire itself also has positive thermal resistance effect, that is, send out
The resistance of heated filament can be increased as temperature increases, and since the temperature of heating wire in electric furnace use process is very high, this to send out
The positive thermal resistance effect of heated filament is all the more obvious；Again because heating wire is equal it is practically impossible to be ideal resistance everywhere, by
In the positive thermal resistance effect of heating wire, so that the resistance of heating wire in actual use everywhere may differ by larger, cause to send out
The big obvious temperature in place part of heater resistance is excessively high, is used for a long time, is extremely easy to appear problem, such as aging etc..
Chalybeate cookware is put in third, electromagnetic oven, is cooked to heat progress cooking.
Electromagnetic oven is invented based on electromagnetic induction phenomenon, i.e., generates direction by coil using alternating current and constantly change
The inside of the alternating magnetic field of change, the conductor in alternating magnetic field will will appear vortex current, this is that eddy electric field pushes conductor
Caused by middle carrier moving；The joule heating effect of vortex current makes conductor heat up, to realize heating；Specifically, when with iron content
When boiler face is placed in matter cookware bottom, cookware is to cut alternate magnetic force line and generate the electric current of alternation in cookware bottom metal portion
(being vortexed), vortex makes the free electron in the ferrous material of cookware bottom in circinate alternate motion, passes through the Joule heat of electric current
(P=I 2*R) makes the bottom of a pan generate heat；Summarize in short: electromagnetic oven uses magnetic field inducing eddy current heating principle, it utilizes alternation electricity
Stream generates alternating magnetic field by coil and can generate countless powerful when the magnetic induction line in magnetic field passes to the bottom containing iron pot
Small vortex, make pot itself voluntarily rapidly fever, then reheat pot in food.
Electromagnetic oven heating carrys out cooking and cooks, the disadvantage is that: the resistivity of the heating power and its material itself that are 1. vortexed at
Inverse ratio, and equally there is positive thermal resistance effect mentioned above containing iron pot, i.e., as self-temperature containing iron pot increases, resistance
It increases, resistivity increases, so that vortex has the upper limit containing the heating power in iron pot, is restricted；2. electromagnetic oven generates
Alternating current magnetic field be it is non-uniform, be vortexed being unevenly distributed in the bottom of a pan, the material of pot be also impossible to be it is uniform, this three
A factor can all lead to the bottom of a pan, and temperature distribution is non-uniform, i.e., some local temperature are high, some local temperature are low, to generate heat
Spot effect；The high place of temperature simultaneously, positive thermal resistance effect is obvious, causes resistance and resistivity at this obviously to become larger, to make
The part is further heated up, and hot spot effect is all the more obvious, also accelerates the problem of aging etc. of pot；3. cookware is being placed in electromagnetism
In the alternating current magnetic field that furnace generates, the inductance generated is very big, so that reactive power consumption is very high, this makes the fever function of cookware itself
The rate upper limit and efficiency are restricted.
Summary of the invention
The application provides a kind of pressure cooker.
According in a first aspect, providing a kind of pressure cooker in a kind of embodiment, comprising:
For cooked food or the pot body heated up water；
Noninductive coil for heating；
The noninductive coil is set in pot body by insulated.
In one embodiment, the pot body is the insulator made of material thermally conductive and/or resistant to high temperature.
In one embodiment, it is provided with insulating coating on the inner surface of the pot body and/or outer surface, it is described for sealing
Noninductive coil.
In one embodiment, the pot body include bottom and be arranged around bottom with formed hemi-closure space around portion,
The noninductive coil is set in the bottom of pot body.
In one embodiment, the pot body include bottom and be arranged around bottom with formed hemi-closure space around portion,
The noninductive coil be set to pot body in the portion.
In one embodiment, the pot body include bottom and be arranged around bottom with formed hemi-closure space around portion,
The noninductive coil is set in the bottom of pot body and stretches to around portion.
In one embodiment, the noninductive coil joins end to end to form access, for incuding changing magnetic field to generate electricity
Stream generates heat.
In one embodiment, the pressure cooker further include:
Pressure cooker cover, air vent, safety valve are arranged on pressure cooker cover, and pressure cooker cover is also configured with sealing rubber ring；
Shell, for accommodating and placing pot body；It is provided on the shell for providing the magnetic of variation to noninductive coil
The unit of field.
In one embodiment, the pressure cooker further includes power interface, and the power interface is arranged in pot body, the nothing
Sense coil is electrically connected with power interface, is generated heat for external power supply.
In one embodiment, the pressure cooker further include: air vent, safety valve, pressure are arranged on pressure cooker cover for pressure cooker cover
Power pot cover is also configured with sealing rubber ring；Pressure cooker cover is used cooperatively with pot body, and pot body is closed, to be formed when heated
The environment of high temperature and pressure.
According to the pressure cooker of above-described embodiment, due to introducing noninductive coil for heating, and noninductive coil is set to pot
In vivo；So that the thermal inertia of heat transfer can be ignored substantially, the effect of heat transfer is fine；Also, in the temperature of inner surface of pot body
It rises also quickly, it can be to food or water quickly or transient heating；In addition, since hot sensing efficiency is high, so that being not required in itself
Temperature that will be too high, positive thermal resistance effect are unobvious；Electric current is equal everywhere in noninductive coil, gives unlike electromagnetic oven and heats containing iron pot
Equally, if forming multiple vortex currents on iron pot；Electric current thus in noninductive coil is equal everywhere, uniform heat distribution；By
In noninductive coil substantially without reactance, so that reactive power consumption is very low, the power of pressure cooker can be made very high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of pot body and noninductive coil in a kind of pressure cooker of embodiment；
Fig. 2 is a kind of schematic diagram of the noninductive coil of embodiment；
Fig. 3 is the structural schematic diagram and its partial enlarged view of the pressure cooker of another embodiment；
Fig. 4 is the perspective view of the pressure cooker of another embodiment；
Fig. 5 is the structural schematic diagram of the pressure cooker of another embodiment.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can recognize without lifting an eyebrow, part of feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant it is some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
Relevant operation can be completely understood according to the general technology knowledge of description and this field in specification.
It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way
Kind embodiment.Meanwhile each step in method description or movement can also can be aobvious and easy according to those skilled in the art institute
The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain
A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Referring to FIG. 1, disclosing a kind of pressure cooker in one embodiment of the invention, which includes pot body 21 and noninductive line
Circle 22, noninductive coil 22 is set in pot body 21 by insulated.
Pot body 21 is for cooked food or heats up water.In one embodiment, pot body 21 is by material thermally conductive and/or resistant to high temperature
Insulator made of expecting.
In one embodiment, pot body 21 include bottom and be arranged around bottom with formed hemi-closure space around portion.?
In one embodiment, noninductive coil 22 is set in the bottom of pot body 21.In one embodiment, noninductive coil 22 is set to pot body 21
In the portion.In one embodiment, noninductive coil 22 is set in the bottom of pot body 21 and stretches to around portion.
In order to which more safety is provided with insulation and applies in one embodiment on the inner surface of pot body 21 and/or outer surface
Layer, for sealing noninductive coil 22.
In order in one embodiment, be provided with heat insulation coating on the outer surface of pot body 21 with better heating effect.
Noninductive coil 22 is for heating.In one embodiment, noninductive coil 22 is that conductor, such as copper, iron, gold and silver etc. are golden
Belong to.In one embodiment, the docking end to end of noninductive coil 22, turns to arc-shaped since folding section, i.e. one end of circular arc is
The folding section of noninductive coil 22, the other end are the both ends end to end of noninductive coil 22.
In one embodiment, noninductive coil 22 joins end to end to form access, for incuding changing magnetic field to generate electric current
To generate heat.For example, the noninductive coil 22 in Fig. 1 is exactly to join end to end to form access, electricity is generated by induction changing magnetic field
Stream is to generate heat.
In one embodiment, pressure cooker further includes power interface, the power interface be arranged in pot body, noninductive coil 22 with
Power interface electrical connection, generates heat for external power supply.In other words, at this time after power interface external power supply, for noninductive
Coil 22 is powered, and has electric current in noninductive coil 22, to generate heat.For example, Fig. 2 show the noninductive line when including power interface
The example of circle 22 head and the tail of noninductive coil 22 and is not attached at this time, but for being electrically connected with power interface.
Referring to figure 3., the pressure cooker of an embodiment can also include pressure cooker cover 23, can be set and put on pressure cooker cover 23
Stomata, safety valve, and configured with sealing rubber ring etc., pressure cooker cover 23 is used cooperatively with pot body 21, by the semiclosed sky of pot body 21
Between to being closed, to form the environment of high temperature and pressure when heated.
Referring to figure 4. and Fig. 5, the pressure cooker of an embodiment can also include pressure cooker cover 24 and shell 25, pressure cooker
Air vent, safety valve can be set on lid 24, and configured with sealing rubber ring etc.；Shell 25 is used to accommodating and placing pot body 21,
After pot body 21 is placed on shell, then pressure cooker cover 24 is covered, a high temperature height can be formed in the space that pot body 21 accommodates
The environment of pressure.In other words, in the present embodiment, pot body 21 is the liner as pressure cooker at this time.In one embodiment, shell
It is provided on 25 for providing the unit of changing magnetic field to noninductive coil 21.
Since noninductive coil 22 is set in pot body 21 by insulated, thus work as 22 adstante febre of noninductive coil, heat transfer
Thermal inertia can be ignored substantially, and the effect of heat transfer is fine；Also, the temperature of 21 inner surface of pot body rises also quickly, can be right
Food or water are quickly or transient heating.In addition, since hot sensing efficiency is high, so that not needing too high temperature (example in itself
Such as 180 degree), positive thermal resistance effect is unobvious.
Electric current is equal everywhere in noninductive coil 22, unlike being given containing iron pot heating electromagnetic oven, is formed on iron pot
If multiple vortex currents；Electric current thus in noninductive coil 22 is equal everywhere, uniform heat distribution.
Since noninductive coil 22 does not have reactance substantially, so that reactive power consumption is very low, the power of cookware can be made very high.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not to limit
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (9)
1. a kind of pressure cooker characterized by comprising
For cooked food or the pot body heated up water；
Pressure cooker cover, air vent, safety valve are arranged on pressure cooker cover, and pressure cooker cover is also configured with sealing rubber ring；
Shell, for accommodating and placing pot body；The pressure cooker cover is used cooperatively with pot body, and pot body is closed；
Noninductive coil for heating；
The noninductive coil is set in pot body by insulated.
2. pressure cooker as described in claim 1, which is characterized in that the pot body is by material system thermally conductive and/or resistant to high temperature
At insulator.
3. pressure cooker as claimed in claim 2, which is characterized in that be provided on the inner surface of the pot body and/or outer surface
Insulating coating, for sealing the noninductive coil.
4. pressure cooker as described in claim 1, which is characterized in that the pot body includes bottom and is arranged around bottom to be formed
Hemi-closure space surrounds portion, and the noninductive coil is set in the bottom of pot body.
5. pressure cooker as described in claim 1, which is characterized in that the pot body includes bottom and is arranged around bottom to be formed
Hemi-closure space surrounds portion, the noninductive coil be set to pot body in the portion.
6. pressure cooker as described in claim 1, which is characterized in that the pot body includes bottom and is arranged around bottom to be formed
Hemi-closure space surrounds portion, and the noninductive coil is set in the bottom of pot body and stretches to around portion.
7. such as pressure cooker described in any one of claims 1 to 6, which is characterized in that the noninductive coil joins end to end to be formed
Access is generated heat for incuding changing magnetic field with generating electric current.
8. pressure cooker as claimed in claim 7, which is characterized in that
It is provided on the shell for providing the unit of changing magnetic field to noninductive coil.
9. such as pressure cooker described in any one of claims 1 to 6, which is characterized in that further include power interface, the power supply connects
Mouth is arranged in pot body, and the noninductive coil is electrically connected with power interface, is generated heat for external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721194968.8U CN208892261U (en) | 2017-09-18 | 2017-09-18 | A kind of pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721194968.8U CN208892261U (en) | 2017-09-18 | 2017-09-18 | A kind of pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208892261U true CN208892261U (en) | 2019-05-24 |
Family
ID=66564630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721194968.8U Expired - Fee Related CN208892261U (en) | 2017-09-18 | 2017-09-18 | A kind of pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208892261U (en) |
-
2017
- 2017-09-18 CN CN201721194968.8U patent/CN208892261U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20190918 |
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| CF01 | Termination of patent right due to non-payment of annual fee |