CN102987908B - Electric pressure cooker capable of accurately controlling pressure, and pressure control method and pressure control system thereof - Google Patents
Electric pressure cooker capable of accurately controlling pressure, and pressure control method and pressure control system thereof Download PDFInfo
- Publication number
- CN102987908B CN102987908B CN201210582052.5A CN201210582052A CN102987908B CN 102987908 B CN102987908 B CN 102987908B CN 201210582052 A CN201210582052 A CN 201210582052A CN 102987908 B CN102987908 B CN 102987908B
- Authority
- CN
- China
- Prior art keywords
- pressure
- transmission rod
- value
- cooking saucepan
- electric pressure
- 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 - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000012937 correction Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 58
- 238000010411 cooking Methods 0.000 claims description 50
- 238000007789 sealing Methods 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000004422 calculation algorithm Methods 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 abstract 3
- 210000004027 cell Anatomy 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000011389 fruit/vegetable juice Nutrition 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000009885 systemic effect Effects 0.000 description 1
Landscapes
- Cookers (AREA)
Abstract
The application relates to the technical field of electric pressure cookers, in particular to an electric pressure cooker capable of accurately controlling pressure, and a pressure control method and a pressure control system thereof. Structurally, a pressure detection device composed of a limit part, a dowel bar and a weighing sensor is arranged on an inner cover of a pot cover, so that pressure inside the electric pressure cooker drives the dowel bar, the dowel bar is enabled to generate pressure on the weighing sensor, the weighing sensor obtains the pressure value in real time and transmits the pressure value to a main control unit, the main control unit can figure out pressure intensity value in the cooker at present according to the pressure value and accordingly achieves accurate pressure control for the electric pressure cooker; and in the control method, offset corrections for errors of a detecting device are performed by adopting a certain algorithm in the main control unit, and therefore accuracy of a detection result is ensured. Compared with the prior art, the detection result and the accuracy of pressure regulation are effectively improved, and simultaneously the electric pressure cooker is simple in structure and easy to achieve, and furthermore safety and reliability of the electric pressure cooker are improved.
Description
Technical field
The application relates to electric pressure cooking saucepan technical field, particularly can the accurately electric pressure cooking saucepan of controlled pressure and compress control method thereof and control system.Wherein control method is by setting up functional module construction, has been come by computer program instructions computer for controlling system.
Background technology
Along with the raising of people's living standard, electric pressure cooking saucepan, owing to combining pressure cooker and electric cooker, has convenient, fast, the advantage such as multipurpose and security and is more and more applied.In electric pressure cooking saucepan, Stress control is the key technology determining the main performances such as the thermal efficiency of electric pressure cooking saucepan and security.
The checkout gear of the control pressurer system of existing electric pressure cooking saucepan is varied, comprise: 1) adopt displacement sensing device to obtain in electric pressure cooking saucepan the deformation values easily producing elastically-deformable parts and produce due to pressure, the method is easily affected by other factors generation deformation due to the elastomeric element of electric pressure cooking saucepan, as factors such as temperature, namely force value and deformation values are strictly not relevant, testing result application condition is large, is difficult to carry out Stress control accurately, 2) adopt pressure sensor direct-detection pot internal gas pressure value, the method comprises a large amount of steam due to gas in pot, easily causes the problems such as pressure sensor circuit, affects Product Safety, 3) adopt pressure sensor device to be arranged at the bottom such as inner bag, add air pressure inside value according to the pressure change of inner bag to pressure sensor, this device due to inner bag weight ratio after accommodating food materials comparatively large, therefore simultaneously because the factors such as steam cause error large, 4) cover at the liner of pot cover and offer through hole, at through hole installing drive disk assembly so that internal pressure is passed to pressure sensor, although the problem that this device can avoid above scheme to bring, but air-tightness problem is caused due to offering of through hole, when electric pressure cooking saucepan heats, drive disk assembly becomes easily infected by steam simultaneously, liquid etc., cause drive disk assembly transmission process unstable, error is large, life-span is low, prior art generally adopts increase cover body drive disk assembly and inner bag to be isolated for this reason, but cover body can cause drive disk assembly cannot detect the air pressure inside of electric pressure cooking saucepan accurately, also there is error due to the structure problem of itself in drive disk assembly on the other hand in the process of transmission of pressure, prior art cannot effectively address these problems, cause testing result inaccuracy, be unfavorable for realizing accurate control.
In addition, existing structure is comparatively complicated in order to realize accurately controlling general structure, and this not only has a strong impact on production efficiency, adds production cost, also add trouble point simultaneously, reduces the safety and reliability of electric pressure cooking saucepan.
Summary of the invention
One of object of the application be to avoid above-mentioned weak point of the prior art and provide a kind of can the electric pressure cooking saucepan of accurate controlled pressure.
Two of the object of the application is avoid above-mentioned weak point of the prior art and provide a kind of control method that can improve electric pressure cooking saucepan pressure controling precision.
Three of the object of the application is avoid above-mentioned weak point of the prior art and provide a kind of control system that can improve electric pressure cooking saucepan pressure controling precision.
The object of the application is achieved through the following technical solutions:
Provide a kind of can the electric pressure cooking saucepan of accurate controlled pressure, comprise pot cover, pot body, heater and main control unit, described pot cover comprises inner cap, described pot body comprises inner bag, described inner cap and described inner bag sealing assembling form seal cavity, also comprise the pressure-detecting device being arranged at described inner cap, described pressure-detecting device comprises transmission rod and offers the locating part of cavity, described inner cap offers through hole, described locating part is fixedly installed on described through hole, in the cavity that described transmission rod is arranged at locating part and with described cavity interference fits, the lower surface of described transmission rod is connected with described seal cavity, the upper surface of described transmission rod abuts LOAD CELLS, in seal cavity described in described LOAD CELLS Real-time Obtaining gas pressure sensing data and these pressure sensing data are sent to main control unit, described main control unit heats inner bag according to this pressure sensing Data Control heater.
Wherein, described locating part comprises hold-down nut and has the spacing body of described cavity, described spacing body comprises sealing and connecting portion, described connecting portion is through described through hole, described sealing abuts with described inner cap and seals described through hole, and described hold-down nut and described connecting portion are spirally connected and are fixedly connected on inner cap with fixing spacing body.
Wherein, described transmission rod offers ring-shaped groove, is provided with O-ring seal in described ring-shaped groove.
Wherein, described pot cover also comprises liner lid, and described liner lid is arranged at below described inner cap.
Wherein, described pot cover also comprises the outer cover case be arranged at above described inner cap, is provided with roof beam structure between described inner cap and described outer cover case, and described LOAD CELLS is fixedly installed on described roof beam structure.
Wherein, also comprise temperature sensor, this TEMP value is also sent to main control unit by the TEMP value of described temperature sensor Real-time Obtaining inner bag.
Provide a kind of adopt above-mentioned can the compress control method of the accurate electric pressure cooking saucepan of controlled pressure, comprise step:
A, Real-time Obtaining transmission rod are to the force value of LOAD CELLS;
B, offset correction is carried out to obtain actual pressure value to described force value;
C, pressure values according to the areal calculation electric pressure cooking saucepan inside, lower surface of actual pressure value and transmission rod;
D, turn off described heater when described pressure values is greater than preset value, the heater described in conducting when described pressure values is less than preset value.
Wherein, describedly offset correction step is carried out to force value be specially: described force value is added offset obtains actual pressure value, described offset adjusts according to the weight of the frictional force between described transmission rod and locating part and transmission rod.
Provide a kind of adopt above-mentioned can the control pressurer system of the accurate electric pressure cooking saucepan of controlled pressure, comprising:
For the device A of Real-time Obtaining transmission rod to the force value of LOAD CELLS;
For carrying out offset correction to described force value to obtain the device B of actual pressure value;
For the device C of the pressure values of the areal calculation electric pressure cooking saucepan inside, lower surface according to actual pressure value and transmission rod;
For turning off described heater when described pressure values is greater than preset value, the device D of heater described in conducting when described pressure values is less than preset value.
Wherein, described device B comprises for adding that to described force value offset obtains actual pressure value, and described offset carries out adjustment driven parallax correction setter B1 according to the weight of the frictional force between described transmission rod and locating part and transmission rod.
The beneficial effect of the application: the structure of the application by covering the pressure-detecting device arranging and be made up of locating part, transmission rod and LOAD CELLS in pot cover, the pressure of electric pressure cooking saucepan inside promotes transmission rod, transmission rod is made to produce pressure to LOAD CELLS, this force value is also sent to main control unit by this force value of LOAD CELLS Real-time Obtaining, and main control unit can calculate the pressure values in now pot according to this force value and realize accordingly controlling the accurate pressure of electric pressure cooking saucepan; In control method, the application adopts in main control unit, adopts certain algorithm to carry out offset correction to the error of checkout gear, both ensure that the accuracy of testing result, avoid the problem that inclined the brought fault point in circuit school increases simultaneously, improve global reliability and reduce cost; The application compared with prior art, not only improves testing result and pressure controlled accuracy effectively, and structure is simple, is easy to realize, decreases trouble point while both reducing production cost, improve the safety and reliability of electric pressure cooking saucepan.
Accompanying drawing explanation
Utilize accompanying drawing to be described further the application, but the embodiment in accompanying drawing does not form any restriction to the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is that the application is a kind of can the structural representation of the accurate embodiment 1 of the electric pressure cooking saucepan of controlled pressure.
Fig. 2 is the partial enlarged drawing of the a-quadrant of Fig. 1.
Fig. 3 is that the application is a kind of can the partial structurtes schematic diagram of the accurate embodiment 2 of the electric pressure cooking saucepan of controlled pressure.
Detailed description of the invention
With the following Examples the application is further described.
embodiment 1
The application is a kind of can one of the detailed description of the invention of the accurate electric pressure cooking saucepan of controlled pressure, as depicted in figs. 1 and 2, include: pot cover 2, pot body 1, heater 4 and main control unit 3, described pot cover 2 comprises inner cap 21, described pot body 1 comprises inner bag 11, described inner cap 21 and the salable assembling of inner bag 11 form seal cavity, also comprise the pressure-detecting device being arranged at inner cap 21, described pressure-detecting device comprises transmission rod 5 and offers the locating part of cavity, described inner cap 21 offers through hole, described locating part is fixedly installed on through hole, in the cavity that described transmission rod 5 is arranged at locating part and with described cavity interference fits, the lower surface of described transmission rod 5 is connected with described seal cavity, the upper surface of described transmission rod 5 abuts LOAD CELLS 8, these pressure sensing data are also sent to main control unit 3 by described LOAD CELLS 8 Real-time Obtaining pressure sensing data, described main control unit 3 heats according to this pressure sensing Data Control heater 4 pairs of inner bags 11.
By arranging by locating part on the inner cap 21 of pot cover 2, the pressure-detecting device that transmission rod 5 and LOAD CELLS 8 form, electric pressure cooking saucepan internal pressure promotes transmission rod 5, transmission rod 5 pairs of LOAD CELLSs 8 are made to produce pressure, this force value is also sent to main control unit 3 by this force value of LOAD CELLS 8 Real-time Obtaining, main control unit 3 can calculate the pressure values in now pot according to this force value and realize accordingly controlling the accurate pressure of electric pressure cooking saucepan, due to transmission rod 5 and described cavity interference fits, can move up and down in cavity at guarantee transmission rod 5 and can not leak gas simultaneously, therefore without the need to increasing air-tightness cover body, the internal pressure of electric pressure cooking saucepan directly acts on the lower surface of transmission rod 5, LOAD CELLS 8 is passed to by transmission rod 5, effectively improve the precision of detection, decrease parts simultaneously, save cost, also more reliable in structure.
Described locating part comprises hold-down nut 7 and has the spacing body 6 of described cavity, described spacing body 6 comprises sealing 61 and connecting portion 62, described connecting portion 62 is through described through hole, described sealing 61 abuts with inner cap 21 and seals described through hole, with connecting portion 62, described hold-down nut 7 is spirally connected that spacing body 6 is fixedly connected on inner cap 21.The air-tightness between locating part with inner casing is connected to adopt this device effectively to ensure, simultaneously simple, easy to assembly in technique, can effectively reduce the cost.In addition, sealing 61 and connecting portion 62 have employed integrated processing method to simplify assembling flow path in the present embodiment, certainly also can adopt the mode of production of processing respectively and assembling according to the actual needs.
Described pot cover 2 also comprises liner lid 22, and described liner lid 22 is arranged at below inner cap 21.Liner lid 22 has cushioning effect to the steam produced because food materials heat, steam or juice etc. in heat food process is avoided to be sputtered onto transmission rod 5, namely ensure that transmission rod 5 and cavity also have good air-tightness not having cage, also improve the working environment of transmission rod 5, improve accuracy and the life-span of the detection of transmission rod 5.
Described pot cover 2 also comprises the outer cover case 24 be arranged at above inner cap 21, is provided with roof beam structure 23 between described inner cap 21 and outer cover case 24, and described LOAD CELLS 8 is fixedly installed on roof beam structure 23.This structure ensure that the stable of LOAD CELLS 8, effectively raises the stability of electric pressure cooking saucepan entirety and pressure controlled precision.
The electric pressure cooking saucepan of the present embodiment also comprises temperature sensor 9, and this TEMP value is also sent to main control unit 3 by the TEMP value of described temperature sensor 9 Real-time Obtaining inner bag 11.Carry out auxiliary control by detecting inner bag 11 temperature, make Stress control more reasonable, electric pressure cooking saucepan is also safer.
Described pot cover 2 is also provided with pressure limiting valve 25, and the lower surface of described pressure limiting valve 25 is communicated with described seal cavity, the upper surface of described pressure limiting valve 25 and ft connection.Exhaust Gas can be calculated when being electric pressure cooking saucepan internal over pressure by pressure limiting valve 25 to reach protective effect, namely after Stress control, provide overvoltage protection, make electric pressure cooking saucepan in use more safe and reliable.
Adopt above-mentioned can the compress control method of the accurate electric pressure cooking saucepan of controlled pressure, comprise step:
The force value F of A, Real-time Obtaining transmission rod 5 pairs of LOAD CELLSs 8;
B, described force value F is added that offset F ' obtains actual pressure value F1, described offset F ' carries out adjusting (in the present embodiment according to the weight of the frictional force between described transmission rod 5 and locating part and transmission rod 5, because transmission rod 5 and the frictional force of inner chamber are steady state value, transmission rod 5 quality is also steady state value, so F ' is the steady state value of a systemic presupposition in the present embodiment, also can be changing value according to concrete structure F ' certainly.）。
C, pressure values P according to the area S calculating voltage power pot inside, lower surface of actual pressure value F1 and transmission rod 5, P=F1/S;
D, turn off described heater 4 when described pressure values P is greater than preset value, the heater 4 described in conducting when described pressure values P is less than preset value.
Adopt this control method, systematic error intrinsic for hardware is corrected in data processing link, both effectively improve the accuracy of control, it also avoid the problem that cost increases, trouble point increases adopting the strong inclined measure in structure or on circuit to bring simultaneously, both ensure that pressure controlled precision, also ensure that the simple of structure, make electric pressure cooking saucepan have good reliability.
embodiment 2
The present invention is a kind of can the detailed description of the invention two of the accurate electric pressure cooking saucepan of controlled pressure, as shown in Figure 3, the main technical schemes of the present embodiment is identical with embodiment 1, in the present embodiment unaccounted feature, adopt the explanation in embodiment 1, no longer repeat at this.The difference of the present embodiment and embodiment 1 is: described transmission rod 5 offers ring-shaped groove, is provided with O-ring seal 63 in described ring-shaped groove.Thus to the interior sealed space of electric pressure cooking saucepan, there is dual-seal, ensure that its sealing effectiveness.Simultaneously because O-ring seal 63 is arranged in ring-shaped groove, pressure in electric pressure cooking saucepan still directly acts on the lower surface of transmission rod 5, and transmission rod 5 and the frictional force between locating part are undertaken rejecting by corresponding computational methods, therefore the present embodiment also ensure that pressure detecting and pressure controlled accuracy while further sealing effectiveness.
Finally should be noted that; above embodiment is only in order to illustrate the technical scheme of the application; but not the restriction to the application's protection domain; although done to explain to the application with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technical scheme of the application or equivalent replacement, and not depart from essence and the scope of technical scheme.
The method provided herein, all or part of step wherein by setting up functional module construction, can have been come by computer program instructions computer for controlling system.These computer program instructions store in a computer-readable storage medium.
Claims (9)
1. can the electric pressure cooking saucepan of accurate controlled pressure, comprise pot cover, pot body, heater and main control unit, described pot cover comprises inner cap, described pot body comprises inner bag, described inner cap and described inner bag sealing assembling form seal cavity, it is characterized in that: also comprise the pressure-detecting device being arranged at described inner cap, described pressure-detecting device comprises transmission rod and offers the locating part of cavity, described inner cap offers through hole, described locating part comprises hold-down nut and has the spacing body of described cavity, described spacing body comprises sealing and connecting portion, described connecting portion is through described through hole, described sealing abuts with described inner cap and seals described through hole, described hold-down nut and described connecting portion are spirally connected with fixing spacing body in inner cap, described locating part is fixedly installed on described through hole, in the cavity that described transmission rod is arranged at described locating part and with described cavity interference fits, the lower surface of described transmission rod is connected with described seal cavity, the upper surface of described transmission rod abuts LOAD CELLS, in seal cavity described in described LOAD CELLS Real-time Obtaining gas pressure sensing data and these pressure sensing data are sent to main control unit, described main control unit carries out offset correction to obtain actual pressure value according to the frictional force between transmission rod and locating part to these pressure sensing data, according to actual pressure value control heater, inner bag is heated.
2. as claimed in claim 1 can the electric pressure cooking saucepan of accurate controlled pressure, it is characterized in that: described transmission rod offers ring-shaped groove, in described ring-shaped groove, be provided with O-ring seal.
3. as claimed in claim 1 can the electric pressure cooking saucepan of accurate controlled pressure, it is characterized in that: described pot cover also comprises liner lid, described liner lid is arranged at below described inner cap.
4. as claimed in claim 1 can the electric pressure cooking saucepan of accurate controlled pressure, it is characterized in that: described pot cover also comprises the outer cover case be arranged at above described inner cap, be provided with roof beam structure between described inner cap and described outer cover case, described LOAD CELLS is fixedly installed on described roof beam structure.
5. as claimed in claim 1 can the electric pressure cooking saucepan of accurate controlled pressure, it is characterized in that: also comprise temperature sensor, this TEMP value is also sent to main control unit by the TEMP value of described temperature sensor Real-time Obtaining inner bag.
6. in claim 1 to 5 described in any one can the compress control method of the accurate electric pressure cooking saucepan of controlled pressure, it is characterized in that: comprise the following steps:
A, Real-time Obtaining transmission rod are to the force value of LOAD CELLS;
B, according to the frictional force between described transmission rod and locating part, offset correction is carried out to obtain actual pressure value to described force value;
C, pressure values according to the areal calculation electric pressure cooking saucepan inside, lower surface of actual pressure value and transmission rod;
D, turn off described heater when described pressure values is greater than preset value, the heater described in conducting when described pressure values is less than preset value.
7. as claimed in claim 6 can the compress control method of the accurate electric pressure cooking saucepan of controlled pressure, it is characterized in that: describedly offset correction step is carried out to force value be specially: described force value is added offset obtains actual pressure value, described offset adjusts according to the weight of the frictional force between described transmission rod and locating part and transmission rod.
8. in claim 1 to 5 described in any one can the control pressurer system of the accurate electric pressure cooking saucepan of controlled pressure, it is characterized in that: comprising:
For the device A of Real-time Obtaining transmission rod to the force value of LOAD CELLS;
For carrying out offset correction to obtain the device B of actual pressure value according to the frictional force between described transmission rod and locating part to described force value;
For the device C of the pressure values of the areal calculation electric pressure cooking saucepan inside, lower surface according to actual pressure value and transmission rod;
For turning off described heater when described pressure values is greater than preset value, the device D of heater described in conducting when described pressure values is less than preset value.
9. the control pressurer system of electric pressure cooking saucepan according to claim 8, it is characterized in that: described device B comprises for adding that to described force value offset obtains actual pressure value, and described offset carries out adjustment driven parallax correction setter B1 according to the weight of the frictional force between described transmission rod and locating part and transmission rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582052.5A CN102987908B (en) | 2012-12-28 | 2012-12-28 | Electric pressure cooker capable of accurately controlling pressure, and pressure control method and pressure control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210582052.5A CN102987908B (en) | 2012-12-28 | 2012-12-28 | Electric pressure cooker capable of accurately controlling pressure, and pressure control method and pressure control system thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102987908A CN102987908A (en) | 2013-03-27 |
| CN102987908B true CN102987908B (en) | 2015-06-10 |
Family
ID=47917380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210582052.5A Expired - Fee Related CN102987908B (en) | 2012-12-28 | 2012-12-28 | Electric pressure cooker capable of accurately controlling pressure, and pressure control method and pressure control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102987908B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105433748B (en) * | 2014-09-02 | 2017-09-15 | 广东德豪润达电气股份有限公司 | The method of low temperature cooking machine precise control of temperature |
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000229031A (en) * | 1999-02-10 | 2000-08-22 | Zojirushi Corp | Pressurized rice cooker |
| CN201528994U (en) * | 2009-06-04 | 2010-07-21 | 杭州九阳欧南多小家电有限公司 | Electric pressure cooker with a pressure detecting device |
| CN201578035U (en) * | 2009-11-26 | 2010-09-15 | 杭州老板电器股份有限公司 | Electric pressure cooker pressure detecting device capable of detecting pressure directly and accurately |
| CN202035997U (en) * | 2011-01-26 | 2011-11-16 | 美的集团有限公司 | Pressure detection device of electric pressure cooker |
| CN102519659A (en) * | 2011-12-02 | 2012-06-27 | 美的集团有限公司 | Pressure detection device and electric pressure cooker adopting same |
| CN202386484U (en) * | 2011-12-16 | 2012-08-22 | 美的集团有限公司 | Pot cover with pressure detection device |
| CN203041844U (en) * | 2012-12-28 | 2013-07-10 | 广东洛贝电子科技有限公司 | Electric pressure cooker capable of accurately controlling pressure |
-
2012
- 2012-12-28 CN CN201210582052.5A patent/CN102987908B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000229031A (en) * | 1999-02-10 | 2000-08-22 | Zojirushi Corp | Pressurized rice cooker |
| CN201528994U (en) * | 2009-06-04 | 2010-07-21 | 杭州九阳欧南多小家电有限公司 | Electric pressure cooker with a pressure detecting device |
| CN201578035U (en) * | 2009-11-26 | 2010-09-15 | 杭州老板电器股份有限公司 | Electric pressure cooker pressure detecting device capable of detecting pressure directly and accurately |
| CN202035997U (en) * | 2011-01-26 | 2011-11-16 | 美的集团有限公司 | Pressure detection device of electric pressure cooker |
| CN102519659A (en) * | 2011-12-02 | 2012-06-27 | 美的集团有限公司 | Pressure detection device and electric pressure cooker adopting same |
| CN202386484U (en) * | 2011-12-16 | 2012-08-22 | 美的集团有限公司 | Pot cover with pressure detection device |
| CN203041844U (en) * | 2012-12-28 | 2013-07-10 | 广东洛贝电子科技有限公司 | Electric pressure cooker capable of accurately controlling pressure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102987908A (en) | 2013-03-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102987908B (en) | Electric pressure cooker capable of accurately controlling pressure, and pressure control method and pressure control system thereof | |
| CN106225249B (en) | Gas water heater and safety control system and method thereof | |
| CN104633942B (en) | Frequency conversion air injection enthalpy increasing heat pump water heater frequency is adjusted and control method | |
| US9395078B2 (en) | Boil and boil-dry detection systems for cooking appliances using vibration sensors | |
| ES2537819T3 (en) | Induction heating device | |
| JP5302346B2 (en) | Pressure controlled degassing system for hot cathode ionization gauge | |
| MXPA04007528A (en) | Self-calibrating carbon monoxide detector and method. | |
| RU2010136274A (en) | CONTROL DEVICE FOR COAL GRINDING MACHINE | |
| CN102507194B (en) | High heat flow thermal environment simulation device | |
| CN108784322A (en) | A kind of control method and equipment | |
| EP1510814A4 (en) | Gas sensor, fuel cell system employing it, and automobile | |
| US20130174644A1 (en) | Test method for a humidity sensor and sensor module for same | |
| CN203041844U (en) | Electric pressure cooker capable of accurately controlling pressure | |
| KR102411512B1 (en) | Pitch control method for wind power generator under high wind and turbulence flow | |
| CN106164366A (en) | Including the device of steam generator and the method controlling this device | |
| CN201504991U (en) | Pressure detection device and electric pressure cooker with the same | |
| CN105180347B (en) | The anti-hot blast control method of air conditioner and air conditioner | |
| CN102519659A (en) | Pressure detection device and electric pressure cooker adopting same | |
| EP3318813B1 (en) | Gas water heater and security control system and method therefor | |
| TWI601942B (en) | Cavity pressure measurement method | |
| CN205607898U (en) | Stability test thermostated container | |
| CN106983362A (en) | A kind of electric heating kettle heating control system | |
| JP2014219117A (en) | Boiler | |
| CN104280179B (en) | Pressure detecting system and Voltage force kitchen tools | |
| KR102095065B1 (en) | Apparatus for measuring thermal growth and method for the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |