CN101380195A - Electric heating pot - Google Patents
Electric heating pot Download PDFInfo
- Publication number
- CN101380195A CN101380195A CNA2008101398951A CN200810139895A CN101380195A CN 101380195 A CN101380195 A CN 101380195A CN A2008101398951 A CNA2008101398951 A CN A2008101398951A CN 200810139895 A CN200810139895 A CN 200810139895A CN 101380195 A CN101380195 A CN 101380195A
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- signal
- steam
- pan
- piezoelectric vibrator
- electric
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- 238000005485 electric heating Methods 0.000 title description 2
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 230000005484 gravity Effects 0.000 claims description 29
- 239000000919 ceramic Substances 0.000 claims description 18
- 238000010795 Steam Flooding Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 7
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000009835 boiling Methods 0.000 abstract description 10
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010411 cooking Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000739 chaotic effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
- A47J36/321—Time-controlled igniting mechanisms or alarm devices the electronic control being performed over a network, e.g. by means of a handheld device
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention relates to an electric pan, comprising a pan body, a pan bladder, a pan cover and a heating device; the pan cover is provided with a receiving box which is internally provided with an emitting device which is used for transmitting electric signal in a wireless way; the pan body is internally provided with a receiving device used for receiving wireless signal and processing the wireless signals and a controller which controls the working state of the processing device according to the processed signals; the pan cover is provided with a steam hole which is provided with a steam driving device which converts the steam pressure into the mechanical power; the pan cover is also provided with a dielectric vibrator which converts the mechanical power into the electric energy; the dielectric vibrator is electrically connected with the emitting device. By utilizing the principle that the electric energy can be generalized due to the deformation of the dielectric vibrator, the electric pan avoids the environmental pollution due to the power supply by the battery, is more environment-friendly, furthermore, by gaining the boiling point signal in the pan, the subsequent heating control is carried out, and the electric pan has the advantages of exact control, being little affected by terrain condition and wide applicable range.
Description
Technical field
The present invention relates to a kind of cooking apparatus, the modified electric food warmer of specifically a kind of pot cover and pot body separate type.
Background technology
At present, the electric heating pan that widely used pot cover separates with the pot body adopts the bottom thermometric usually, by temperature sensing device and inner bag bottom contact thermography.Because electric food warmer is to adopt the bottom heating, for reducing the influence of heating tube to temperature measuring equipment, temperature measuring equipment must be arranged in the heat insulation cup, the end face of heat insulation cup is attached to a pot courage bottom, this position can not directly be heated, self heat conduction of main inner courage heats up, then for the lower material of the coefficient of heat conduction, as boccaro, the pot courage that pottery etc. are made, the problem that will exist tangible temperature-sensitive to lag behind, in addition because heat is to conduct to pot interior food by pot courage wall to heat, pot courage for the lower material of the coefficient of heat conduction is made just exists pot courage inside and outside wall and has a bigger temperature difference, and wall unevenness then everywhere error is also inequality, this just makes the bottom thermometric inaccurate, and it is excessive or not enough to cause pot interior food to boil.
For addressing this problem, Chinese patent CN200420044253.0 discloses a kind of accurate electric food warmer that detects pot courage temperature, its principal character is that temperature-sensing element, sender unit and supplying cell are installed on pot cover, be provided with signal receiving device in the pot body, vapor (steam) temperature in the pot of measuring is emitted to a pot body inner control by wireless mode, this electric food warmer is directly measured a pot interior vapor (steam) temperature and is as the criterion, and has avoided the shortcoming of bottom thermometric preferably.But because the sender unit of this electric food warmer adopts powered battery, need the periodic replacement battery, use cumbersome, and the old and useless battery that changes pollutes the environment, and in addition, adopts the influence of receipts environmental area of thermometric mode bigger, in the highlands, air pressure is lower, and the boiling point of corresponding water also reduces, if still adopt the control program in hyperbar area, then can cause control chaotic, can't normally cook, for the requirement of satisfying special region then needs change control program, versatility is relatively poor.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides a kind of environment-friendly type electric food warmer that has region adaptability widely and can realize automatic accurate detection and control.
Technical scheme of the present invention is as follows:
A kind of electric food warmer comprises a pot body, pot courage, pot cover and heater; Described pot cover is provided with and is used for emitter that signal of telecommunication wireless transmission is gone out; Be provided with in the described pot body and be used to receive wireless signal and the receiving system of handling and according to the controller of the signal controlling heater duty after the above-mentioned processing; Described pot cover is provided with steam port; Described steam port is provided with and converts steam pressure to the mechanokinetic steam drive apparatus; Also be provided with the piezoelectric vibrator that described machine power is converted to electric energy on the described pot cover; Described piezoelectric vibrator and emitter are electrically connected.
Technique scheme can also be done further perfect by following technical measures:
Described steam drive apparatus is arranged on the gravity plug between steam port and the piezoelectric vibrator; Described gravity plug is movably arranged on the steam port, and seals steam port under the gravity effect; Between described gravity plug and the piezoelectric vibrator certain clearance is arranged, this gap is less than or equal to the height of gravity plug; When the interior steam pressure of pot increased to above the gravity of gravity plug, the gravity plug is upwards accelerated motion under the effect of steam pressure, an end of bump top piezoelectric vibrator, piezoelectric vibrator vibration, generation electric energy.
Described steam drive apparatus or be arranged on compressing tablet on the piezoelectric vibrator, under the normality, compressing tablet is subjected to the effect closed steam mouth of piezoelectric vibrator elastic force, when food in the pot seethes with excitement, quantity of steam increases fast, and steam pressure increases pushes compressing tablet open, and compressing tablet is moved upward, drive piezoelectric vibrator deformation, produce electric energy.
Described steam drive apparatus can also be arranged on the impeller of steam port top; Described impeller comprises some blades; When the blade of a large amount of steam impringements top made wheel rotation, the blade of opposite side can be stirred an end of piezoelectric vibrator, and piezoelectric vibrator is deformed, and produces electric energy.
Described emitter comprises signal emission module and its power supply; Described power supply comprises that the electric current that piezoelectric ceramic piece is produced carries out the rectification module of rectification and the storage capacitor that the electric energy after the rectification is accumulated; When the voltage of described power supply reached the operating voltage of signal emission module, signal emission module was outwards launched wireless signal.
Described signal emission module comprises an integrated coding chip and wireless transmitter module; Described wireless transmitter module is launched the code signal of the certain frequency of integrated coding chip output to the external world.
Described receiving system comprises signal receiving module and integrated decoder module; Signal receiving module is used to receive the wireless signal from emitter, and sends the integrated decoder module generation control signal of decoding to.
Described integrated decoder module and controller are electrically connected, and described controller is controlled the duty of heater according to the control signal of integrated decoder module output.
Described heater is heat-generating pipe or heating plate.
Described piezoelectric vibrator comprises elastic matrix and piezoelectric ceramic piece, and piezoelectric ceramic piece is attached on elastic matrix, and described elastomer can be that elastic sheet metal or other elastomeric materials are made.
The present invention compared with prior art, owing to utilize piezoelectric ceramic piece generation mechanical deformation can produce the principle of electric energy, convert steam pressure in the pot to machine power and be transformed into electric energy again, for sender unit provides power supply, make its outwards emission wireless signal, do not need the power supply of battery or other power modules, avoided the environmental pollution of using battery to cause, safety and environmental protection more, the user need not to change battery, uses also more convenient.In addition, the present invention has utilized liquid when boiling, the heat exchange balance is broken, the principle that quantity of steam can increase rapidly, pick up the boiling point signal by steam drive apparatus, be that piezoelectric ceramic piece produces electric energy and makes wireless launcher send the boiling point signal in pot body signal receiving device, convert the control of control signal realization again to follow-up heating process, this mode is owing to be to control heat-generating disc work by picking up the boiling point signal, the boiling point signal more can reflect the cooking status of food with respect to temperature signal, so it is also comparatively accurate to control, and is subjected to the influence of environmental area air pressure less relatively, the territorial scope that is suitable for is more extensive.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the embodiment of the invention one;
Fig. 2 is the local enlarged diagram of the embodiment of the invention one;
Fig. 3 is the local enlarged diagram of the embodiment of the invention two;
Fig. 4 is the local enlarged diagram of the embodiment of the invention three.
Among the figure:
1, pot body; 2, pot courage; 3, pot cover; 4, steam drive apparatus; 5, elastic base plate; 6, piezoelectric ceramic piece; 7, emitter; 8, steam port; 9, heater; 10, controller; 11, receiving system; 12, container; 13, piezoelectric vibrator; 14, gravity plug; 15, compressing tablet; 16, impeller; 17, seal.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail:
Embodiment one:
As shown in Figure 1 and Figure 2: a kind of electric food warmer comprises pot body 1, pot courage 2, pot cover 3 and heater 9; Be installed with container 12 on the described pot cover 2, its inside is equipped with and is used for emitter 7 that signal of telecommunication wireless transmission is gone out; Be provided with the receiving system 11 that is used to receive wireless signal and handles in the described pot body 2 and according to the controller 10 of signal controlling heater 9 duties after the above-mentioned processing, in the present embodiment, heater 9 is heat-generating pipes; Have steam port 8 on the described pot cover 3; Described steam port 8 is provided with and converts steam pressure to mechanokinetic steam drive apparatus 4; Also be provided with the piezoelectric vibrator 13 that machine power is converted to electric energy on the described pot cover 3; Described piezoelectric vibrator 13 comprises piezoelectric ceramic piece 6 and elastic base plate 5, described elastic base plate 5 is elastic sheet metals, and an end has piezoelectric ceramic piece 6, and this end is fixed on the container 12, one end suspends, constitute cantilever beam structures, for this structure, when strain takes place, the bending deformation quantity of stiff end is bigger, be that radius of curvature is littler than what suspend and hold,, can produce bigger electric energy so the distortion that piezoelectric ceramic piece 6 produces is also bigger; Described piezoelectric ceramic piece 6 and emitter 7 are electrically connected.
In the present embodiment, described steam drive apparatus 4 is arranged on the gravity plug 14 between steam port 8 and the elastic base plate 5.Gravity plug 14 is a T font cylinder, is divided into sealed end and guide end two parts, and wherein sealed end is the upper end, and its diameter is greater than the diameter of steam port 8, and guide end is the lower end.Distance between gravity plug 14 end faces and elastic base plate 5 bottom surfaces is 2mm, under the normality, gravity plug 14 is sealed steam port 8 by sealed end under the self gravitation effect, and guide end is arranged in the steam port 8, and the gap of 1.0mm arranging approximately with hole wall, gravity plug 14 can move up and down in steam port 8 like this.After the heating, form the vapor chamber of sealing between pot courage 2 and the pot cover 1, when food in the pot seethes with excitement, the heat exchange balance is broken, quantity of steam increases rapidly, and steam pressure increases, and surpasses the gravity of gravity plug 14, dynamic balance is broken, gravity plug 14 moves upward under the effect of steam pressure, and bump top elastic base plate 5 is impacted elastic base plate 5 and vibrates, drive piezoelectric ceramic piece 6 deformation takes place, produce electric energy.Simultaneously, steam port 8 is opened, and the steam in the pot releases, and pressure reduces, and gravity plug 14 falls, and seals steam port 8 again.
Described emitter 7 comprises signal emission module and its power supply; Described power supply comprises that the electric current that piezoelectric ceramic piece 6 is produced carries out the rectification module of rectification and the storage capacitor that the electric energy after the rectification is accumulated; When the voltage of described power supply reached the normal working voltage of signal emission module, signal emission module was outwards launched a wireless signal.Described signal emission module comprises an integrated coding chip and wireless transmitter module; After the integrated coding chip obtains power supply, can produce the code signal of a CF, wireless transmitter module is then launched this code signal to the external world.
Described receiving system 11 comprises signal receiving module and integrated decoder module; Signal receiving module is used to receive the wireless signal from emitter, and sends the integrated decoder module generation control signal of decoding to.Integrated decoder module and controller 10 are electrically connected, and after controller 10 collected the control signal of integrated decoder module output, then the duty of heater was controlled in output, reduces the heating power of heater 9.
The present invention in use, after the user presses and begins to enter heated condition, the food generation steam that is heated in the pot, between pot cover 3 and pot courage 2, form the vapor chamber of sealing, steam port 8 on the pot cover 3 is sealed by gravity plug 14, steam can not leak, when the food in being heated to pot seethes with excitement, the heat exchange balance is broken, quantity of steam increases rapidly, the also corresponding increase of pressure in the pot, gravity plug 14 weight be slightly larger than steam pressure in when boiling pot, very fast gravity plug 14 is upwards accelerated motion under the effect of steam pressure, the elastic sheet metal of bump top, promptly the elastic base plate 5 of piezoelectric ceramic piece 6 makes elastic base plate 5 produce vibration, and then deformation generation electric energy takes place in piezoelectric ceramic piece 6, this electric energy is the electric current of an alternation, advance over commutation after, be stored in the storage capacitor, when the voltage at storage capacitor two ends reached the normal working voltage of emitter 7, then wireless transmitter module was outwards launched the signal of telecommunication of the fixed frequency of integrated coding module output.At this moment, after being arranged on receiving system 11 in pot body 1 and receiving this signal, send integrated decoder module to by wireless receiving module and be decoded into control signal, after sending controller 10 analyses again to, determine that the food in the pot seethes with excitement, and exports the heating power that a control signal is regulated heater 9 again.
The end face of gravity plug 14 can be 0mm with the minimum range of elastic base plate 5 bottom surfaces also in this enforcement in addition, the two is adjacent to, and gravity plug 14 moves upward, and drives elastic base plate 5 deformation takes place, but had better not be, otherwise will make structure comparatively complicated greater than the height of gravity plug 14.
Described heater 9 also can be heaters such as heating plate or infrared ray.Described elastic base plate 5 also can be other materials such as plastic cement, the elastic sheet that the rubber elastomeric material is made.
Embodiment two:
As shown in Figure 3: present embodiment is basic identical with embodiment one structure and principle, and difference is that described steam drive apparatus 4 is arranged on the compressing tablet 15 on the piezoelectric vibrator 13; Also be provided with a seal 17 on the steam port 8.
Described compressing tablet 15 and elastic base plate 5 are structure as a whole, and the end for elastic base plate 5 suspends strikes out the disk shape, and its diameter is greater than the diameter of steam port 8, and seal 17 is socketed on the steam port 8, and under the normality, compressing tablet 15 is pressed on the seal 17, the closed steam mouth.When the food in the pot courage 2 seethes with excitement, produce a large amount of steam suddenly, push the compressing tablet that is pressed on the seal 17 open, make elastic base plate 5 produce a moderate finite deformation, drive emitter work on piezoelectric ceramic piece 6, to produce enough electric energy, emission boiling point signal.
The described compressing tablet 15 of present embodiment also can be independent part, fixedlys connected with an end of elastic base plate 5 then.
Embodiment three:
As shown in Figure 5: present embodiment is basic identical with embodiment one structure and principle, and difference is that described steam drive apparatus 4 is arranged on the impeller 16 of steam port 8 tops; Described impeller 16 comprises some blades and a rotating shaft, is 6 at the present embodiment number of blade, and rotating shaft is fixed, and is installed in the container 12, and blade can rotate around the axis; Impeller 16 and piezoelectric vibrator 13 are for be arrangeding in parallel; When the small amount of steam that produces in the pot courage 2 during from steam port 8 ejections, can not drives impeller rotate, when food seethes with excitement, produce a large amount of steam impact its top from steam port 8 ejections blade rapidly, impeller 16 is rotated, the blade of opposite side is stirred the elastic base plate 5 of piezoelectric vibrator 13, makes it that deformation take place, and produces electric energy and drives emitter emission boiling point signal.
Claims (10)
1, a kind of electric food warmer comprises a pot body, pot courage, pot cover and heater; Described pot cover is provided with and is used for emitter that signal of telecommunication wireless transmission is gone out; Be provided with in the described pot body and be used to receive wireless signal and the receiving system of handling and according to the controller of the signal controlling heater duty after the above-mentioned processing; It is characterized in that: described pot cover is provided with steam port; Described steam port is provided with and converts steam pressure to the mechanokinetic steam drive apparatus; Also be provided with the piezoelectric vibrator that described machine power is converted to electric energy on the described pot cover; Described piezoelectric vibrator and emitter are electrically connected.
2, a kind of electric food warmer according to claim 1 is characterized in that described steam drive apparatus is the gravity plug that the piezoelectric vibrator below is set; The end face of described gravity plug and the gap between the piezoelectric vibrator are less than or equal to the height of gravity plug; Described gravity plug is movable the setting, can move up and down; Described gravity plug moves upward and can make piezoelectric vibrator produce deformation.
3, a kind of electric food warmer according to claim 1 is characterized in that described steam drive apparatus is a compressing tablet; Described compressing tablet is arranged on the piezoelectric vibrator, is subjected to the effect closed steam mouth of piezoelectric vibrator elastic force under the normality: described compressing tablet moves upward and can drive piezoelectric vibrator generation deformation.
4, a kind of electric food warmer according to claim 1 is characterized in that described steam drive apparatus is arranged on the impeller of steam port top; Comprise some blades on the described impeller; Described blade can be stirred piezoelectric vibrator, makes it that deformation take place.
5,, it is characterized in that described emitter comprises signal emission module and its power supply according to claim 1 or 2 or 3 or 4 described a kind of electric food warmers; Described power supply comprises that the electric current that piezoelectric ceramic piece is produced carries out the rectification module of rectification and the storage capacitor that the electric energy after the rectification is accumulated; When the voltage of described power supply reached the operating voltage of signal emission module, signal emission module was outwards launched wireless signal.
6, a kind of electric food warmer according to claim 5 is characterized in that described signal emission module comprises an integrated coding chip and wireless transmitter module; Described wireless transmitter module is launched the code signal of the certain frequency of integrated coding chip output to the external world.
7, a kind of electric food warmer according to claim 1 is characterized in that described receiving system comprises signal receiving module and integrated decoder module; Signal receiving module is used to receive the wireless signal from emitter, and sends the integrated decoder module generation control signal of decoding to.
8, a kind of electric food warmer according to claim 7 is characterized in that described integrated decoder module and controller are electrically connected, and described controller is controlled the duty of heater according to the control signal of integrated decoder module output.
9, a kind of electric food warmer according to claim 1 is characterized in that described heater is heat-generating pipe or heating plate.
10, according to a kind of electric food warmer of claim 1, it is characterized in that described piezoelectric vibrator comprises piezoelectric ceramic piece and elastic matrix, piezoelectric ceramic piece is attached on the elastic matrix, and described elastic matrix is an elastic sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101398951A CN101380195B (en) | 2008-09-28 | 2008-09-28 | Electric heating pot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101398951A CN101380195B (en) | 2008-09-28 | 2008-09-28 | Electric heating pot |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101380195A true CN101380195A (en) | 2009-03-11 |
| CN101380195B CN101380195B (en) | 2010-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101398951A Active CN101380195B (en) | 2008-09-28 | 2008-09-28 | Electric heating pot |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101380195B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102613886A (en) * | 2011-10-24 | 2012-08-01 | 乔林友 | Cooker cover embedded sealed electric pressure cooker |
| CN103417082A (en) * | 2013-09-06 | 2013-12-04 | 兰州理工大学 | Cooling power generation water cup |
| CN105092115A (en) * | 2015-07-02 | 2015-11-25 | 南京磊智电子科技有限公司 | Pot cover having wireless temperature-pressure measurement intelligent module and method for wireless temperature-pressure measurement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201295125Y (en) * | 2008-09-28 | 2009-08-26 | 九阳股份有限公司 | Electric boiler |
-
2008
- 2008-09-28 CN CN2008101398951A patent/CN101380195B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102613886A (en) * | 2011-10-24 | 2012-08-01 | 乔林友 | Cooker cover embedded sealed electric pressure cooker |
| CN103417082A (en) * | 2013-09-06 | 2013-12-04 | 兰州理工大学 | Cooling power generation water cup |
| CN105092115A (en) * | 2015-07-02 | 2015-11-25 | 南京磊智电子科技有限公司 | Pot cover having wireless temperature-pressure measurement intelligent module and method for wireless temperature-pressure measurement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101380195B (en) | 2010-07-21 |
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Address after: No. 999, Mei Li Road, Huaiyin District, Ji'nan, Shandong Patentee after: JOYOUNG Co.,Ltd. Country or region after: China Address before: Xinsha Road, Huaiyin District of Ji'nan city of Shandong Province, No. 12 250118 Patentee before: JOYOUNG Co.,Ltd. Country or region before: China |