CN102293585B - Cover of electric pressure cooker - Google Patents
Cover of electric pressure cooker Download PDFInfo
- Publication number
- CN102293585B CN102293585B CN201110268426.1A CN201110268426A CN102293585B CN 102293585 B CN102293585 B CN 102293585B CN 201110268426 A CN201110268426 A CN 201110268426A CN 102293585 B CN102293585 B CN 102293585B
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- China
- Prior art keywords
- pot cover
- electric pressure
- temperature
- pressure cooking
- sensing element
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- 239000002184 metal Substances 0.000 claims abstract description 25
- 229910052751 metal Inorganic materials 0.000 claims abstract description 25
- 238000010411 cooking Methods 0.000 claims description 29
- 239000010935 stainless steel Substances 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005538 encapsulation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000003340 mental effect Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Abstract
The invention relates to a pot cover, in particular to a pot cover of an electric pressure cooker, which comprises an outer surface, an inner surface and a temperature measuring device, wherein the temperature measuring device is arranged on the pot cover and at least partially extends out of the inner surface of the pot cover, the temperature measuring device comprises a metal pipe consisting of a pipe wall and a bottom, the pipe wall comprises an inner side wall and an outer side wall, a temperature sensing element is positioned in the metal pipe, and the pot cover also comprises a cover body, and the cover body at least covers one part of the metal pipe. Through the structure, the temperature in the electric pressure cooker can be accurately and quickly detected, so that accurate and quick pressure control is realized.
Description
Technical field
The present invention relates to a kind of pot cover of electric pressure cooking saucepan.
Background technology
Electric pressure cooking saucepan is as a large amount of the popularizing in huge numbers of families of a kind of mess kit.Conventional " Contraband formula structure " directly controlled pot inner pressure by pressure switch at present, and this pressure control mode shortcoming is that force value is single, is the pressure controlled primary stage.For reaching electric pressure cooking saucepan, cook preferably effect, different food needs different pressure to realize the optimization of food cooking mouthfeel and nutritional labeling conventionally, and the mode of conventional temperature-control pressure-control realizes to be controlled the stepless voltage regulation of pot inner pressure.Conventionally by the temperature measuring equipment on pot cover, detect the temperature in pot, the temperature transition then collecting according to temperature measuring equipment realizes the control to pot inner pressure for the pressure corresponding with this temperature.But the sensitivity of its temperature-sensitive of temperature measuring equipment on electric pressure cooker cover is generally poor at present, mainly due to temperature sensing metal tube wall, thicker and temperature-sensing element is surperficial larger with madial wall gap metal tube, thereby it is distant to make temperature in pot be delivered to the distance of temperature-sensing element, the insulating sleeve of temperature-sensing element outer surface has reduced the efficiency of temperature conduction in addition, comprehensively make its thermometric lag time generally more than 10 seconds, can not fast detecting arrive kettle temperature, serious hysteresis quality due to its detected temperatures, temperature value detected and differ larger with the actual temperature value in pot.In order to carry out pressure control according to the actual temperature value in pot, can be by the setting of program, a kind of method is: after the temperature value detecting is increased to certain amount, think the actual temperature value in pot, thereby carry out pressure control, but when the quantity of food of boiling is different, the temperature value detecting is also different from the difference of actual temperature value in pot, therefore, by this program setting, still cannot solve accurate pressure control; Another kind method is: the temperature detecting at checkout gear reaches after certain value, stop heating, wait for a period of time, wait for after checkout gear detects the actual temperature in pot and carry out again the control to calandria, realize pressure control, by this method, if after waiting for a period of time, still do not reach the temperature of setting, need to heat again, and then wait for a period of time, this method is taken electricity, program is complicated, and need to repeatedly wait for, thereby directly affect pot precision and a food cooking effect for interior pressure control.
Summary of the invention
The cover structure that the object of this invention is to provide a kind of electric pressure cooking saucepan that can quick temperature measurement.
Technical solution of the present invention is: a kind of pot cover of electric pressure cooking saucepan, and described pot cover comprises outer surface, inner surface and is installed to the temperature measuring equipment that also stretches out at least partly the inner surface of described pot cover on described pot cover; Described temperature measuring equipment comprises the metal tube being comprised of tube wall and bottom and the temperature-sensing element that is positioned at described metal tube; Described tube wall comprises madial wall and lateral wall; Described pot cover also comprises cover body, and described cover body comprises cavity and the peristome that is positioned at the bottom of described cavity, and described cavity at least covers a part for described metal tube.
By this structure, the accurate temperature in fast detecting electric pressure cooking saucepan, thus realize accurate pressure control, realize culinary art effect preferably.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of electric pressure cooking saucepan of the present invention;
Fig. 2 is the mounting structure figure of temperature measuring equipment of the present invention;
Fig. 3 is the cutaway view of the temperature-sensing element of temperature measuring equipment of the present invention;
Fig. 4 is the control flow chart of the calandria of electric pressure cooking saucepan of the present invention.
The specific embodiment
As shown in Figure 1, electric pressure cooking saucepan of the present invention comprises a shell body 1, an interior pot 3 being placed in shell body, a calandria 2 is arranged on shell body 1 and between shell body 1 and interior pot 3, a pot cover 4 covers on interior pot 3, pot cover 4 has an outer surface 7 and an inner surface 8, a sealing ring 5 is installed in inner surface 8 to be used for covering interior pot 3 in sealing, a temperature measuring equipment 6 is arranged on pot cover 4, a controller (not shown) is electrically connected to temperature measuring equipment 6, and the temperature in the interior pot 3 detecting according to temperature measuring equipment 6 is controlled calandria 2, thereby realize the internally control of pot 3 internal pressures.
As shown in Figure 2, shown that temperature measuring equipment 6 of the present invention is installed to the mounting means on pot cover 4.Temperature measuring equipment 6 is installed in the centre bore 9a of support 9 by tight fit, the lower part 9c of support 9 is through the centre bore of pot cover 4, and be formed with on the upper surface 7 that boss 9b is supported on pot cover 4 by support 9, on the lower part 9c of support 9, be formed with a male thread portion, a cover body 11 is formed with a female thread portion, by the male thread portion on the lower part 9c of the female thread portion on cover body 11 and support 9, screw, and contact temperature measuring equipment 6 is arranged on pot cover 4 by the inner surface 8 with pot cover 4.As optimal way of the present invention, cover body 11 preferably can cover the bottom of temperature measuring equipment 6.In addition, support 9 of the present invention and temperature measuring equipment 6 also can be integrally formed.In addition, temperature measuring equipment 6 can be fixed on pot cover 4 by other fixed forms, and like this, cover body 11 can directly screw or be connected to by other means on temperature measuring equipment 6, cover body 11 just can contact with the inner surface 8 of pot cover 4 like this, and uses as just a heat gathering cover.Cover body 11 can be gathered in the hot vapour in interior pot 3 in cover body 11 very soon, thereby temperature measuring equipment 6 can fast detecting arrive the temperature in interior pot.
As shown in Figure 3, temperature measuring equipment 6 of the present utility model is a needle-like temperature measuring equipment preferably, comprise a metal tube being comprised of tube wall 12 and bottom 13, tube wall 12 comprises madial wall 12a and lateral wall 12b, tensioning member or machined piece that metal tube can drawing and forming.Temperature-sensing element 14 is arranged on the bottom 13 of metal tube and near the madial wall 12a of metal tube tube wall 12, and temperature-sensing element 14 can be that to fit can be also to leave a small amount of gap near the madial wall 12a of tube wall 12.The material of metal tube can be used aluminium-alloy pipe or copper pipe, because the thermal conductivity factor of aluminium-alloy pipe or copper pipe is high, the wall thickness of tube wall 12 can be arranged in 1mm, preferably in 0.5mm, distance between the madial wall 12a of temperature-sensing element 14 and tube wall 12 is preferably in 1mm, and the gap portion being preferably between temperature-sensing element 14 and the madial wall 12a of tube wall 12 is filled with heat-conducting medium 15; If metal tube is used stainless steel tube, because the thermal conductivity factor of stainless steel tube is relatively low, the wall thickness of tube wall 12 can be arranged in 0.3mm, preferably in 0.2mm, now the distance between temperature-sensing element 14 and the madial wall 12a of tube wall 12 is in 2mm, be preferably in 1mm, and the gap portion being preferably between temperature-sensing element 14 and the madial wall 12a of tube wall 12 is filled with heat-conducting medium 15. by such setting, the temperature in pot can be detected very fast.In addition, encapsulation medium 16 is encapsulated in the top of heat-conducting medium 15, due to the existence of encapsulation medium 16; make extraneous water can not enter in metal tube; thereby protection temperature-sensing element 14, avoids the damage of temperature-sensing element or affect result of use, thereby guarantee the quick temperature measurement of temperature-sensing element.Temperature-sensing element 14 of the present utility model can be the element that thermistor or thermocouple etc. can thermometrics.Heat-conducting medium 15 can be the Heat Conduction Materials such as heat-conducting silicone grease.Encapsulation medium 16 can be the materials such as epoxy resin.In addition, temperature measuring equipment 6 of the present utility model also can not use heat-conducting medium 15, and directly with encapsulation medium 16 encapsulation thermistors, or also can not use encapsulation medium 16. by such design, it is short lag time that temperature measuring equipment 6 is compared existing temperature measuring equipment, the temperature in interior pot can be detected in the short period of time, the temperature in interior pot can be with interior fast detecting, arrived at 5 seconds the soonest.
As shown in Figure 4, shown the flow chart of controlling the calandria of the utility model electric pressure cooking saucepan.During electric pressure cooking saucepan work, in 2 pairs of calandrias, pot 3 heats, the temperature measuring equipment 6 of temperature-sensitive detects the temperature value in interior pot 3 and temperature signal is passed to controller fast, controller receives this temperature signal and at once the corresponding temperature value of the temperature signal receiving and pre-stored temperature value is compared, when the temperature value receiving is more than or equal to pre-stored temperature value, described controller cuts off the heating of electric hot tray, thereby realizes the control of internal pot inner pressure.The temperature measuring equipment 6 using due to the utility model is temperature-sensitive fast, thereby temperature and actual temperature in the interior pot detecting are very approaching, not only can realize fast the control of internal pot inner pressure, and it is fine to cook effect.
In sum; those of ordinary skill in the art reads after the utility model file; according to the technical solution of the utility model and technical conceive, without creative mental labour, make other various corresponding conversion scheme, all belong to the scope that the utility model is protected.
Claims (15)
1. a pot cover for electric pressure cooking saucepan, described pot cover comprises outer surface, inner surface and is installed on described pot cover and stretches out at least partly the temperature measuring equipment of the inner surface of described pot cover; Described temperature measuring equipment comprises the metal tube being comprised of tube wall and bottom and the temperature-sensing element that is positioned at described metal tube; Described tube wall comprises madial wall and lateral wall, it is characterized in that, described pot cover also comprises cover body, and described cover body comprises cavity and the peristome that is positioned at the bottom of described cavity, and described cavity at least covers a part for described metal tube.
2. the pot cover of electric pressure cooking saucepan as claimed in claim 1, is characterized in that, described cover body is arranged on described metal tube or described pot cover.
3. the pot cover of electric pressure cooking saucepan as claimed in claim 1 or 2, is characterized in that, described cover body contacts with the inner surface of described pot cover.
4. the pot cover of electric pressure cooking saucepan as claimed in claim 1, is characterized in that, described metal tube is tensioning member.
5. the pot cover of electric pressure cooking saucepan as claimed in claim 1, is characterized in that, described temperature-sensing element is near described tube wall.
6. the pot cover of electric pressure cooking saucepan as claimed in claim 1, is characterized in that, described temperature-sensing element is positioned at the bottom of described metal tube.
7. the pot cover of electric pressure cooking saucepan as claimed in claim 1, is characterized in that, the pipe thickness of described metal tube is in 1mm.
8. the pot cover of electric pressure cooking saucepan as claimed in claim 1, is characterized in that, described pot cover also comprises heat-conducting medium, and described heat-conducting medium is between described temperature-sensing element and the madial wall of described metal tube.
9. the pot cover of electric pressure cooking saucepan as claimed in claim 1, is characterized in that, described pot cover also comprises sealing medium, and described sealing medium is encapsulated on described temperature-sensing element.
10. the pot cover of the electric pressure cooking saucepan as described in any one in claim 4-9, is characterized in that, described metal tube is aluminium-alloy pipe or copper pipe.
The pot cover of 11. electric pressure cooking saucepans as claimed in claim 10, is characterized in that, the distance between described temperature-sensing element and the madial wall of described aluminium-alloy pipe or copper pipe is in 1mm.
The pot cover of 12. electric pressure cooking saucepans as described in any one in claim 4-9, is characterized in that, described metal tube is stainless steel tube, and the wall thickness of described stainless steel tube is in 0.3mm.
The pot cover of 13. electric pressure cooking saucepans as claimed in claim 12, is characterized in that, the wall thickness of described stainless steel tube is in 0.2mm.
The pot cover of 14. electric pressure cooking saucepans as claimed in claim 12, is characterized in that, the distance between described temperature-sensing element and the madial wall of described stainless steel tube is in 2mm.
The pot cover of 15. electric pressure cooking saucepans as claimed in claim 14, is characterized in that, the distance between described temperature-sensing element and the madial wall of described stainless steel tube is in 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110268426.1A CN102293585B (en) | 2011-09-09 | 2011-09-09 | Cover of electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110268426.1A CN102293585B (en) | 2011-09-09 | 2011-09-09 | Cover of electric pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102293585A CN102293585A (en) | 2011-12-28 |
| CN102293585B true CN102293585B (en) | 2014-01-22 |
Family
ID=45354459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110268426.1A Active CN102293585B (en) | 2011-09-09 | 2011-09-09 | Cover of electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102293585B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108784322B (en) * | 2017-05-04 | 2020-11-27 | 佛山市顺德区美的电热电器制造有限公司 | Control method and device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2751704Y (en) * | 2004-08-23 | 2006-01-18 | 黎志强 | Radio thermometric electric heating cooker |
| CN2770528Y (en) * | 2005-01-14 | 2006-04-12 | 黎志强 | Wireless temperature-controlled gas cooking utensile |
| CN201003989Y (en) * | 2007-01-30 | 2008-01-09 | 九阳股份有限公司 | Pole internal temperature measurement device of electric pressure pot |
| KR20080102086A (en) * | 2007-05-18 | 2008-11-24 | 웅진쿠첸 주식회사 | Bottom sensor assembly for electric induction heating type rice cooker |
| CN201308390Y (en) * | 2008-11-13 | 2009-09-16 | 浙江苏泊尔家电制造有限公司 | Low-pressure rice cooker cover |
| CN101930241B (en) * | 2010-08-27 | 2012-05-30 | 九阳股份有限公司 | Safety relief temperature controlled electric pressure cooker and precision pressure controlling method thereof |
| CN202287763U (en) * | 2011-09-09 | 2012-07-04 | 浙江绍兴苏泊尔生活电器有限公司 | Cover of electric pressure cooker |
-
2011
- 2011-09-09 CN CN201110268426.1A patent/CN102293585B/en active Active
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| Publication number | Publication date |
|---|---|
| CN102293585A (en) | 2011-12-28 |
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| 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 |