CN202287763U - Cover of electric pressure cooker - Google Patents
Cover of electric pressure cooker Download PDFInfo
- Publication number
- CN202287763U CN202287763U CN2011203401320U CN201120340132U CN202287763U CN 202287763 U CN202287763 U CN 202287763U CN 2011203401320 U CN2011203401320 U CN 2011203401320U CN 201120340132 U CN201120340132 U CN 201120340132U CN 202287763 U CN202287763 U CN 202287763U
- Authority
- CN
- China
- Prior art keywords
- pot cover
- temperature
- electric pressure
- cooking saucepan
- pressure cooking
- 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.)
- Expired - Lifetime
Links
- 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 31
- 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
- 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
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- Cookers (AREA)
Abstract
The utility model relates to a pot cover, especially a pot cover of electric pressure cooker, including surface and internal surface, install the pot cover and at least partially stretch out the temperature measuring device of pot cover internal surface, temperature measuring device includes the tubular metal resonator of constituteing by pipe wall and bottom, and the pipe wall includes inside wall and lateral wall, is located the temperature-sensing element of tubular metal resonator, and the pot cover still includes the cover body, the cover body covers at least a part of tubular metal resonator. 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 utility model 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." Contraband formula structure " commonly used at present directly controlled pot inner pressure through pressure switch, and this pressure control mode shortcoming is that force value is single, is the pressure controlled primary stage.Cook effect preferably for reaching electric pressure cooking saucepan, different food needs different pressure to realize the optimization of food cooking mouthfeel and nutritional labeling usually, and the mode of temperature-control pressure-control commonly used realizes the stepless voltage regulation control to pot inner pressure.Usually detect the temperature in the pot through the temperature measuring equipment on the pot cover, the temperature transition that collects according to temperature measuring equipment then is for to realize the control to pot inner pressure with the corresponding pressure of this temperature.But the sensitivity of its temperature-sensitive of temperature measuring equipment on the electric pressure cooking saucepan pot cover is generally relatively poor at present; Thicker and temperature-sensing element is surperficial bigger with madial wall gap metal tube mainly due to the temperature sensing metal tube wall; It is distant that thereby the temperature in the feasible pot is delivered to the distance of temperature-sensing element; The insulating sleeve of temperature-sensing element outer surface has reduced the efficient of temperature conduction in addition, comprehensively makes its thermometric lag time generally more than 10 seconds, can not fast detecting arrive kettle temperature; Because the serious hysteresis quality of its detected temperatures detects temperature value and differs bigger with the interior actual temperature value of pot.In order to carry out pressure control according to the actual temperature value in the pot; Can be through the setting of program, a kind of method is: think the actual temperature value in the pot after detected temperature value is increased certain amount, thereby carry out pressure control; But when the quantity of food of boiling not simultaneously; Detected temperature value is also different with pot difference of interior actual temperature value, therefore, still can't solve accurate pressure control through this program setting; Another kind method is: after the temperature that checkout gear detects reaches certain value, stop heating, wait for a period of time; Wait for after checkout gear detects the actual temperature in the pot and carry out control again, realize pressure control, by this method calandria; If after waiting for a period of time, still do not reach the temperature of setting, need heat again; And then wait for a period of time; This method is taken electricity, program is complicated, and needs to wait for repeatedly, thereby directly influences the precision and the food cooking effect of pressure control in the pot.
Summary of the invention
The purpose of the utility model provides a kind of cover structure of electric pressure cooking saucepan that can quick temperature measurement.
The technical solution of the utility model is: a kind of pot cover of electric pressure cooking saucepan, comprise outer surface and inner surface, and be installed on the pot cover and portion at least
Divide the temperature measuring equipment that stretches out the pot cover inner surface, temperature measuring equipment comprises the metal tube of being made up of tube wall and bottom, and tube wall comprises madial wall and lateral wall, the position
Temperature-sensing element in metal tube, pot cover also comprise cover body, and cover body covers the part of metal tube at least.
Through this structure, the accurate temperature in the fast detecting electric pressure cooking saucepan, thus realize accurate pressure control, realize cooking preferably effect.
Description of drawings
Fig. 1 is the sketch map 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, the electric pressure cooking saucepan of the utility model comprises that 1, one of a shell body is placed on the interior pot 3 in the shell body; Calandria 2 is installed on the shell body 1 and between shell body 1 and interior pot 3; Pot cover 4 covers on interior pot 3, and pot cover 4 has an outer surface 7 and an inner surface 8, a sealing ring 5 is installed in the inner surface 8 is used in sealing covers pots 3; A temperature measuring equipment 6 is installed on the pot cover 4; A controller (not shown) is electrically connected with temperature measuring equipment 6, and controls calandria 2 according to the temperature in the temperature measuring equipment 6 detected interior pots 3, thereby realizes the internally control of pot 3 internal pressures.
As shown in Figure 2, shown that the temperature measuring equipment 6 of the utility model is installed to the mounting means on the pot cover 4.Temperature measuring equipment 6 is installed in the centre bore 9a of support 9 through tight fit; The lower part 9c of support 9 passes 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 through support 9; Be formed with a male thread portion on the lower part 9c of support 9; A cover body 11 is formed with a female thread portion, screws through the male thread portion on the lower part 9c of female thread portion on the cover body 11 and support 9, and through contacting with the inner surface 8 of pot cover 4 temperature measuring equipment 6 is installed on the pot cover 4.As the optimal way of the utility model, cover body 11 preferably can cover the bottom of temperature measuring equipment 6.In addition, the support 9 of the utility model also can be integrally formed with temperature measuring equipment 6.In addition; Temperature measuring equipment 6 can be fixed on the pot cover 4 through other fixed forms, and like this, cover body 11 can directly screw or be connected on the temperature measuring equipment 6 through other modes; 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 accumulate in the hot vapour in the interior pot 3 in the cover body 11 very soon, thereby temperature measuring equipment 6 can fast detecting arrive the temperature in the interior pot.
As shown in Figure 3; The temperature measuring equipment 6 of the utility model is a needle-like temperature measuring equipment preferably; Comprise a metal tube of being made up 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 installed on the bottom 13 of metal tube and near the madial wall 12a of metal tube tube wall 12, and the madial wall 12a of temperature-sensing element 14 abuts 12 can be that to fit also can be to leave little clearance.The material of metal tube can use 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 the 1mm; Preferably in 0.5mm, the distance between the madial wall 12a of temperature-sensing element 14 and tube wall 12 is preferably in 1 mm, and the gap portion that is preferably between the madial wall 12a of temperature-sensing element 14 and tube wall 12 is filled with heat-conducting medium 15; If metal tube uses 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 the 0.3mm, preferably in 0.2mm; Distance between the madial wall 12a of temperature-sensing element 14 and tube wall 12 is in 2mm at this moment; Be preferably in the 1mm, and the gap portion that is preferably between the madial wall 12a of temperature-sensing element 14 and tube wall 12 is filled with heat-conducting medium 15. through such setting, can detects the temperature in the pot very fast.In addition, encapsulation medium 16 is encapsulated in the top of heat-conducting medium 15, because the existence of encapsulation medium 16; Make extraneous water can not get in the metal tube; Thereby protection temperature-sensing element 14 is avoided the damage of temperature-sensing element or is influenced result of use, thereby guarantees the quick temperature measurement of temperature-sensing element.The temperature-sensing element 14 of the utility model can be the element that thermistor or thermocouple etc. can thermometrics.Heat-conducting medium 15 can be Heat Conduction Materials such as heat-conducting silicone grease.Encapsulation medium 16 can be materials such as epoxy resin.In addition; The temperature measuring equipment 6 of the utility model also can not use heat-conducting medium 15; And, perhaps also can not use encapsulation medium 16. through such design directly with encapsulation medium 16 encapsulation thermistors, it is short lag time that temperature measuring equipment 6 is compared existing temperature measuring equipment; Temperature in can detecting in the short period of time in the pot can arrive the temperature in interior pot with interior fast detecting 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; Pot 3 heats in 2 pairs of the calandrias; Temperature value in fast the temperature measuring equipment 6 of temperature-sensitive detects in the pot 3 is also passed to controller with temperature signal, and controller receives this temperature signal and at once the temperature value of the pairing temperature value of the temperature signal that receives with storage in advance compared, when the temperature value that receives during more than or equal to the temperature value of storage in advance; Said controller cuts off the heating of electric hot tray, thereby realizes the control of internal pot inner pressure.Because the temperature measuring equipment 6 that the utility model uses is temperature-sensitive fast, thereby temperature and actual temperature in the interior pot that detects are very approaching, control that not only can the internal pot inner pressure of Rapid Realization, and also it is fine to cook effect.
In sum; After those of ordinary skill in the art reads the utility model file; Need not creative mental labour according to the technical scheme of the utility model and technical conceive and make other various corresponding conversion scheme, all belong to the scope that the utility model is protected.
Claims (15)
1. the pot cover of an electric pressure cooking saucepan comprises outer surface and inner surface, is installed to the temperature measuring equipment that also at least partly stretches out the pot cover inner surface on the pot cover; Said temperature measuring equipment comprises the metal tube of being made up of tube wall and bottom; Said tube wall comprises madial wall and lateral wall, is positioned at the temperature-sensing element of metal tube, it is characterized in that; Said pot cover also comprises cover body, and said cover body covers the part of said metal tube at least.
2. the pot cover of electric pressure cooking saucepan as claimed in claim 1 is characterized in that, said cover body is installed on said metal tube or the said pot cover.
3. according to claim 1 or claim 2 the pot cover of electric pressure cooking saucepan is characterized in that said cover body contacts with the inner surface of said pot cover.
4. the pot cover of electric pressure cooking saucepan as claimed in claim 1 is characterized in that, said metal tube is a tensioning member.
5. the pot cover of electric pressure cooking saucepan as claimed in claim 1 is characterized in that, said temperature-sensing element is near said tube wall.
6. the pot cover of electric pressure cooking saucepan as claimed in claim 1 is characterized in that, said temperature-sensing element is positioned at the bottom of metal tube.
7. the pot cover of electric pressure cooking saucepan as claimed in claim 1 is characterized in that, the pipe thickness of said metal tube is in the 1mm.
8. the pot cover of electric pressure cooking saucepan as claimed in claim 1 is characterized in that, said pot cover also comprises heat-conducting medium, and said heat-conducting medium is between said temperature-sensing element and metal tube madial wall.
9. the pot cover of electric pressure cooking saucepan as claimed in claim 1 is characterized in that, said pot cover also comprises sealing medium, and said sealing medium is encapsulated on the said temperature-sensing element.
10. like the pot cover of any described electric pressure cooking saucepan of claim 4-9, it is characterized in that said metal tube is aluminium-alloy pipe or copper pipe.
11. the pot cover of electric pressure cooking saucepan as claimed in claim 10 is characterized in that, the distance between said temperature-sensing element and said aluminium-alloy pipe or the copper pipe madial wall is in 1mm.
12. the pot cover like any described electric pressure cooking saucepan of claim 4-9 is characterized in that, said metal tube is a stainless steel tube, and the wall thickness of said stainless steel tube is in the 0.3mm.
13. the pot cover of electric pressure cooking saucepan as claimed in claim 12 is characterized in that, the wall thickness of said stainless steel tube is in the 0.2mm.
14. the pot cover of electric pressure cooking saucepan as claimed in claim 12 is characterized in that, the distance between said temperature-sensing element and the said stainless steel tube madial wall is in 2mm.
15. the pot cover of electric pressure cooking saucepan as claimed in claim 14 is characterized in that, the distance between said temperature-sensing element and the said stainless steel tube madial wall is in 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203401320U CN202287763U (en) | 2011-09-09 | 2011-09-09 | Cover of electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203401320U CN202287763U (en) | 2011-09-09 | 2011-09-09 | Cover of electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202287763U true CN202287763U (en) | 2012-07-04 |
Family
ID=46356773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203401320U Expired - Lifetime CN202287763U (en) | 2011-09-09 | 2011-09-09 | Cover of electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202287763U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102293585A (en) * | 2011-09-09 | 2011-12-28 | 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 CN2011203401320U patent/CN202287763U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102293585A (en) * | 2011-09-09 | 2011-12-28 | 浙江绍兴苏泊尔生活电器有限公司 | Cover of electric pressure cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120704 |