CN2891905Y - Electric pressure-cooker - Google Patents
Electric pressure-cooker Download PDFInfo
- Publication number
- CN2891905Y CN2891905Y CN 200620057143 CN200620057143U CN2891905Y CN 2891905 Y CN2891905 Y CN 2891905Y CN 200620057143 CN200620057143 CN 200620057143 CN 200620057143 U CN200620057143 U CN 200620057143U CN 2891905 Y CN2891905 Y CN 2891905Y
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- pot
- bit block
- pressure
- conduction bit
- pot cover
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- Expired - Fee Related
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Abstract
An electric pressure pot includes a pot cover and a pot body; a middle pot and an inner pot are ordinally provided inside the pot body; a calorific disc is provided between the inner pot and the middle pot; a pressure switch, or a temperature controller, or a thermal resistor, or a pressure converter used to control the pressure is provided inside the pot cover or the inner pot. When the pot cover and the pot body are arranged with a connected structure, the two connecting ends of the temperature controller, or the thermal resistor, or the pressure converter used to control the pressure are respectively connected into a control power plate inside the pot body. When the pot cover and the pot body are arranged with a divided structure, one connecting end of the temperature controller, or the thermal resistor, or the pressure converter used to control the pressure is electrically connected with the pot cover; when the pot cover is folded with the middle pot, the pot cover is electrically connected with the middle pot, and the control power plate is electrically connected with the middle pot. The utility model is with simple and reasonable structure, low manufacture cost, long use time; safe and reliable; with a wide selection scope of the work pressure and has a plurality of work pressures for choice.
Description
Technical field
The utility model relates to a kind of electric pressure cooking saucepan.
Background technology
Electric pressure cooking saucepan on the present market, major part are that pot cover and middle pot fasten.Utilize pot in the elasticity, perhaps between interior pot and middle pot, elastic supporting mechanism is set, pot or elastic supporting mechanism are converted into a displacement signal with pressure signal in the elasticity, the pot outer surface is loaded onto pressure displacement switch or microswitch in elasticity, and pressure displacement switch or microswitch utilize the break-make of this displacement signal control heat-generating disc working line.These electric pressure cooker structure complexity, high material consumption; And these electric pressure cooking saucepans service time is one long a little, middle pot or elastic supporting mechanism can produce expendable plastic deformation gradually, it is inaccurate that this plastic deformation is understood build-up of pressure control usually, and interior pot fastens with middle pot and highly diminishes, and then influences the normal use of electric pressure cooking saucepan; And pot inner pressure is big more, and the plastic deformation of middle pot or elastic supporting mechanism is just severe more, and is also just big more to the normal influence of using of electric pressure cooking saucepan, causes the inaccurate and sealing ring periphery gas leakage of electric pressure cooking saucepan pressure control.At this situation, a little improvement have been done by some producers, have released a kind of thermistor by pot bottom in being contained in and have controlled the electric pressure cooking saucepan that pot inner pressure changes, when the pot inner pressure of the electric pressure cooking saucepan of this structure changes in 0Pa～150kPa scope.Because the middle pot bottom variations in temperature of this electric pressure cooking saucepan is generally less than 10 ℃, so the method for work that this electric pressure cooking saucepan can only be taked to be interrupted energising is controlled the interior change of pressure of pot, and the method for work direct result of this interruption energising is to cause whole cooking time to prolong, and the waste electric energy.More than the maximum of electric pressure cooking saucepan of several structures disconnect operating pressure and generally all be set in less than below the 80kPa, and every pressure displacement switch or microswitch can only be controlled a fixing disconnection operating pressure, all to debug and set each size that disconnects operating pressure, its complex manufacturing, high material consumption, service life is also shorter, and when concrete the use, pressure displacement switch or microswitch itself be short circuit or open circuit easily, directly influences electric pressure cooking saucepan and normally uses.
The utility model content
The purpose of this utility model be to provide a kind of simple and reasonable, cost of manufacture is low, long service life, safe and reliable, operating pressure range of choice are big, have multiple operating pressure to select, do not need to carry out the debugging of operating pressure break-make in process of production, and the electric pressure cooking saucepan of pressure precise control is to overcome weak point of the prior art.
A kind of electric pressure cooking saucepan by this purpose design, comprise pot cover and pot body, pot and interior pot in being disposed with in the pot body, be provided with heat-generating disc between interior pot and the middle pot, its architectural feature is to be provided with in the pot cover or in the interior pot to be used for pressure controlled pressure switch or temperature controller or thermistor or pressure transmitter.
When pot cover during with pot body conjoined structure, above-mentioned pressure controlled pressure switch or the temperature controller or thermistor or pressure transmitter two terminals of being used for inserts control power panel in pot body respectively.
When pot cover and pot status during from structure, above-mentioned pressure controlled pressure switch or the temperature controller or thermistor or pressure transmitter one terminals of being used for is electrically connected with pot cover, behind pot cover and middle pot fastening, pot cover is electrically connected with middle pot, and the control power panel is electrically connected with middle pot; Another terminals of pressure switch or temperature controller or thermistor or pressure transmitter are electrically connected with conduction bit block on the pot cover, the conduction bit block that the conduction bit block is provided with on one's body corresponding to pot on this pot cover, pot cover and pot body are after rotation fastens, or after electric pressure cooking saucepan boosts, pot cover rises, conduction bit block on the pot cover is electrically connected with the elastic conduction bit block that pot can stretch on one's body, two conduction bit blocks are electrically connected, and the pot conduction bit block on one's body control power panel interior with being arranged on pot body is electrically connected.
Conduction bit block on the above-mentioned pot cover is respectively up and down with pot conduction bit block on one's body or front and back are set up in parallel; The conduction bit block butt joint on one's body of conduction bit block on the pot cover and pot the time is the non-corrosive metal that magnetic or the elasticity that can stretch are bumped buckle structure and conducted electricity very well.
Conduction bit block on the above-mentioned pot cover is with to be arranged on one's body conduction bit block of pot corresponding, and pot conduction bit block on one's body is arranged on the conduction bit block top on the pot cover; Perhaps pot conduction bit block on one's body is arranged on conduction bit block front or the back on the pot cover.
Conduction bit block on the above-mentioned pot cover and/or pot conduction bit block on one's body are the elastic conduction bit block that rustless metal or magnetic substance maybe can stretch; Have at least one to be magnetic substance and the elastic conduction bit block that can stretch when being set up in parallel before and after two conduction bit blocks; Have at least one to be the elastic conduction bit block that can stretch during two conduction bit block upper and lower settings.
Conduction bit block on the above-mentioned pot cover is arranged in the eye ring seat.
Be provided with between above-mentioned interior pot and the middle pot and be used for temperature controlled thermistor, this thermistor control power panel interior with being arranged on pot body is electrically connected.
Above-mentioned heat-generating disc is arranged on interior pot bottom, pot upper edge in sealing ring is arranged on, and pot cover and middle pot fasten.
The utility model covers pot cover, rotate the eye ring seat that joins with pot cover, conduction bit block to pot cover aligns with pot conduction bit block on one's body, owing to have at least one to be magnetic substance among two conduction bit blocks, after its butt joint, be pulled together mutually, be used for pressure controlled pressure switch or temperature controller or thermistor or pressure transmitter in the pot cover are just realized conducting with the control power panel that is arranged in pot body, and pot inner pressure is controlled.
When the pot internal gas pressure reached a certain setting value, pot inner top pressure switch or pressure transmitter were just closed, or disconnected or export a corresponding mV or mA signal.So according to this pressure switch or pressure transmitter closure, or the variation that disconnects or export a corresponding mV or mA signal, just can control the break-make of electric pressure cooking saucepan operating pressure or multiple operating pressure exactly by controlling power panel.
Temperature according to the pot internal gas pressure is directly proportional with pot inner pressure, and when the pot internal gas pressure was 100kPa, the temperature in the corresponding pot was about 122 ℃, as selects for use 122 ℃ of temperature controllers then to move to disconnect or closed.So, just can control the break-make of electric pressure cooking saucepan operating pressure exactly by the control power panel according to the variation of this temperature controller break-make.
Temperature according to the pot internal gas pressure is directly proportional with pot inner pressure, and the principle that is inversely proportional to of the temperature of the resistance of pot inner top thermistor and pot internal gas pressure, in the pot during 1 ℃ of the every rising of gas, the gas pressure 4.5kPa that raises approximately in the pot, be pot inner pressure when changing in 0kPa～150kPa scope, a gas temperature is about 100 ℃～134 ℃ in the corresponding pot, is used for pressure controlled thermistor, such as, the change in resistance scope of correspondence is about 6.8k Ω～2.6k Ω when selecting the thermistor of B=3950 for use.So, just can control the break-make of the multiple operating pressure of electric pressure cooking saucepan exactly by the control power panel according to the variation of this thermistor resistance.
Pressure controlled pressure switch or temperature controller or thermistor or pressure transmitter two ends are the complete special low dc voltage of 0-12V volt-ampere, the human body contact is very safe, when pot body and pot cover when dividing body structure, can directly utilize terminals of pressure controlled pressure switch or temperature controller or thermistor or pressure transmitter to be electrically connected with pot cover, behind pot cover and middle pot fastening, pot cover is electrically connected with middle pot, and middle pot is electrically connected with the control power panel, so just can save manufacturing cost.
In cooking process, when the pot inner pressure of electric pressure cooking saucepan reaches a certain setting value, closed or the disconnection of top pressure switch or temperature controller, the top thermistor also reaches the fixed value of a certain correspondence, disconnect heating power supply by control power panel control relay, can reach the purpose that the control electric pressure cooking saucepan disconnects operating pressure.After disconnecting operating pressure first, in the dwell time scope of setting, when pot inner pressure is lower than a certain setting value, thermistor also reaches the fixed value of a certain correspondence, pressure switch or temperature controller disconnect or are closed, control power panel control pot relay is on one's body connected heating power supply, and the electric pressure cooking saucepan pot inner pressure is controlled in the service pressure scope of setting, guarantees the purpose that electric pressure cooking saucepan is safe in utilization.After the dwell time finishes, change and enter keeping warm mode automatically, culinary art is finished.
Pressure transmitter is linear output signal (0-5mV or 0-5mA), such as, selected range is the pressure transmitter of 0kPa～200kPa, is output as 0mV or 0mA when 0kPa, is output as 2.5mV or 2.5mA when 100kPa, is output as 5mV or 5mA when 200kPa.Pressure transmitter can the multiple operating pressure of Linear Control break-make, the selection of multiple working pressure range is arranged.In cooking process, can select different operating pressures according to different food, when the pot inner pressure of electric pressure cooking saucepan reaches a certain setting value, the output of top pressure transmitter also reaches a certain setting value, disconnect heating power supply by control power panel control relay, can reach the purpose that the control electric pressure cooking saucepan disconnects operating pressure.After disconnecting operating pressure first, in the dwell time scope of setting, when pot inner pressure is lower than a certain setting value, pressure transmitter output also reaches a certain setting value, control power panel control pot relay is on one's body connected heating power supply, the electric pressure cooking saucepan pot inner pressure is controlled in the service pressure scope of setting, guarantees the purpose that electric pressure cooking saucepan is safe in utilization.After the dwell time finishes, change and enter keeping warm mode automatically, culinary art is finished.
When in the electric pressure cooking saucepan pot during no pressure, multiple fluid temperatures such as holding temperature, limit Wen Wendu or oily temperature are controlled by the thermistor that is contained in the heating board center bottom.When kettle temperature reached a certain setting value, the bottom thermistor also reached the fixed value of a certain correspondence, by control power panel control relay, to disconnect heating power supply, reached the purpose of control electric pressure cooking saucepan kettle temperature.
The utility model has disposed different structures respectively at the different structure of pot cover with pot body disjunctor or split, and adaptive capacity is strong.Pressure switch or temperature controller or thermistor or pressure transmitter all can be used for branch body structure and conjoined structure.
The utility model is simple and reasonable, cost of manufacture is low, long service life, safe and reliable, operating pressure range of choice are big, have multiple operating pressure to select, and does not need to carry out the debugging of operating pressure break-make in process of production, and the pressure precise control.
Description of drawings
Fig. 1 is the utility model first embodiment sectional structure schematic diagram.
Fig. 2 overlooks broken section structure for amplifying schematic diagram for Fig. 1's.
Fig. 3 is the utility model second embodiment sectional structure schematic diagram.
Fig. 4 overlooks the structure for amplifying schematic diagram for Fig. 3's.
Fig. 5 is the utility model the 3rd embodiment sectional structure schematic diagram.
Fig. 6 overlooks broken section structure for amplifying schematic diagram for Fig. 5's.
Fig. 7 is the utility model the 4th example structure schematic diagram.
Fig. 8 is the utility model the 5th example structure schematic diagram.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1-Fig. 2, this electric pressure cooking saucepan, pot 3 and interior pot 4 in being disposed with in the pot body 2 are provided with heat-generating disc 7 between interior pot 4 and the middle pot 3.In be provided with between pot 4 and the middle pot 3 and be used for temperature controlled thermistor 6, this thermistor 6 control power panel 5 interior with being arranged on pot body 2 is electrically connected.Be provided with in pot cover 1 or the interior pot and be used for pressure controlled pressure switch or temperature controller or thermistor or pressure transmitter 9.Pot 4 bottoms in heat-generating disc 7 is arranged on, pot 4 upper edges in sealing ring 8 is arranged on, pot cover 1 fastens with middle pot 3.Among the figure, 12 is pressure limiting valve.
When pot body and pot cover when dividing body structure, the conduction bit block 10 that is used in pressure controlled pressure switch or temperature controller or thermistor or pressure transmitter 9 one terminals and the pot cover 1 is electrically connected, fastening with nut, see Fig. 2, conduction bit block 10 is arranged in the eye ring seat of pot cover 1, this conduction bit block 10 is corresponding with the conduction bit block 11 on being arranged on pot body 2, and this structural conductive bit block is arranged in juxtaposition structure for front and back at grade.Specific practice is: when electric pressure cooking saucepan pot cover and middle pot when rotating correct fastening, promptly pot cover is rotated fastening with respect to the pot body along arrow B direction among the figure; Elasticity magnetic substance conduction bit block 10 that the pot lid handle seat can stretch and magnetic substance conduction bit block 11 adhesives on the middle ring constitute conducting.The conduction bit block 11 of pot on the body 2 control power panel 5 interior with being arranged on pot body 2 is electrically connected; Pressure switch or temperature controller or thermistor or pressure transmitter 9 another terminals and pot cover are electrically connected, when pot cover and pot body after rotation fastens, pot cover is crimped on the middle pot, pot cover and the conducting of middle pot, and the middle pot control power panel 5 interior with being arranged on pot body is electrically connected.Promptly fashionable with pot body turn buckle when pot cover, 9 liang of terminals of pressure switch or temperature controller or thermistor or pressure transmitter are electrically connected with control power panel 5 respectively, form the loop.Wherein, conduction bit block 10 and conduction bit block 11 have an elasticity magnetic substance conduction bit block for stretching between the two at least, when both dock, are the elasticity adhesive butt joint that can stretch, and the butt joint back constitutes path.
Referring to Fig. 3-Fig. 4, this magnetic substance conduction bit block of locating the front and back setting on the same plane also can be arranged to up-down structure, being pot cover is rotated when fastening along the arrow B direction with respect to the pot body, after electric pressure cooking saucepan boosts, pot cover rises, conduction bit block 20 on the pot cover constitutes path with the elastic conduction bit block 21 that pot can stretch on one's body, and remainder is same as above, no longer repeats.
Referring to Fig. 5-Fig. 6, being used for pressure controlled thermistor or temperature controller 9 can be contained in below the pot cover axle, the elasticity magnetic substance conduction bit block 11 that can stretch has been installed on the ring in the pot body 2, magnetic substance conduction bit block 10 has been installed on pot cover 1 eye ring seat, remainder is same as above.
Referring to Fig. 7-Fig. 8, when pot cover 1 and a pot body 2 be conjoined structure, i.e. the structure of pot cover and pot body one end disjunctor.Be used for 9 liang of terminals of pressure controlled pressure switch or temperature controller or thermistor or pressure transmitter and insert the interior control power panel 5 of pot body respectively, and pressure switch or temperature controller or thermistor or pressure transmitter 9 bodies can be as shown in the figure, are separately positioned in the pot cover 1 or in being arranged in the pot.Remainder is same as above.
The utility model can also be made following structure: when be used for pressure controlled pressure switch or temperature controller or thermistor or pressure transmitter 9 be arranged in the pot in the time, between pot bottom median plane and the bottom surface or in being contained in the pot side and between outer, promptly bore suitable aperture setting pressure switch or temperature controller or a thermistor or a pressure transmitter 9 in can being installed in interior pot bottom central authorities or an interior pot side.This structure is applicable to the branch body structure.
Claims (9)
1. electric pressure cooking saucepan, comprise pot cover (1) and pot body (2), be disposed with middle pot (3) and interior pot (4) in the pot body, in be provided with heat-generating disc (7) between pot and the middle pot, it is characterized in that being provided with in the described pot cover or in the interior pot and be used for pressure controlled pressure switch or temperature controller or thermistor or pressure transmitter (9).
2. electric pressure cooking saucepan according to claim 1 is characterized in that described pressure controlled pressure switch or the temperature controller or thermistor or pressure transmitter (9) two terminals of being used for inserts control power panel (5) in pot body respectively.
3. electric pressure cooking saucepan according to claim 1, it is characterized in that described pressure controlled pressure switch or the temperature controller or thermistor or pressure transmitter (9) one terminals of being used for is electrically connected with pot cover (1), behind pot cover and middle pot fastening, pot cover (1) is electrically connected with middle pot (3), and control power panel (5) is electrically connected with middle pot; Another terminals of pressure switch or temperature controller or thermistor or pressure transmitter (9) are electrically connected with conduction bit block on the pot cover, the conduction bit block that the conduction bit block is provided with on one's body corresponding to pot on this pot cover, pot cover and pot body are after rotation fastens, or after electric pressure cooking saucepan boosts, pot cover rises, conduction bit block on the pot cover is electrically connected with the elastic conduction bit block that pot can stretch on one's body, two conduction bit blocks are electrically connected, and the pot conduction bit block on one's body control power panel interior with being arranged on pot body is electrically connected.
4. electric pressure cooking saucepan according to claim 3 is characterized in that the conduction bit block on the described pot cover (1) and the conduction bit block on the pot body (2) is respectively up and down or front and back are set up in parallel; Be that magnetic or the elasticity that can stretch are bumped buckle structure during conduction bit block butt joint on conduction bit block on the pot cover (1) and pot body (2).
5. electric pressure cooking saucepan according to claim 4 is characterized in that the conduction bit block on the described pot cover (1) is corresponding with the conduction bit block on being arranged on a pot body (2), and pot conduction bit block on one's body is arranged on the conduction bit block top on the pot cover; Perhaps pot conduction bit block on one's body is arranged on conduction bit block front or the back on the pot cover.
6. electric pressure cooking saucepan according to claim 5 is characterized in that conduction bit block on the described pot cover (1) and/or the conduction bit block on pot body (2) are the elastic conduction bit block that rustless metal or magnetic substance maybe can stretch; Have at least one to be magnetic substance and the elastic conduction bit block that can stretch when being set up in parallel before and after two conduction bit blocks; Have at least one to be the elastic conduction bit block that can stretch during two conduction bit block upper and lower settings.
7. electric pressure cooking saucepan according to claim 3 is characterized in that the conduction bit block on the described pot cover (1) is arranged in the eye ring seat.
8. electric pressure cooking saucepan according to claim 1 is characterized in that being provided with between pot (4) and the middle pot (3) in described and is used for temperature controlled thermistor (6), and this thermistor control power panel (5) interior with being arranged on a pot body (2) is electrically connected.
9. electric pressure cooking saucepan according to claim 1 is characterized in that described heat-generating disc (7) is arranged on interior pot (4) bottom, and sealing ring (8) is arranged on interior pot (4) upper edge, and pot cover (1) fastens with middle pot (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620057143 CN2891905Y (en) | 2006-04-04 | 2006-04-04 | Electric pressure-cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620057143 CN2891905Y (en) | 2006-04-04 | 2006-04-04 | Electric pressure-cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2891905Y true CN2891905Y (en) | 2007-04-25 |
Family
ID=38060072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620057143 Expired - Fee Related CN2891905Y (en) | 2006-04-04 | 2006-04-04 | Electric pressure-cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2891905Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248956B (en) * | 2008-03-22 | 2010-12-08 | 广东格兰仕集团有限公司 | Electric cooking appliance |
| CN105559510A (en) * | 2014-11-07 | 2016-05-11 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker |
| CN109090985A (en) * | 2018-10-16 | 2018-12-28 | 浙江亿田智能厨电股份有限公司 | A kind of slidingtype rice cooker structure |
| CN109124303A (en) * | 2018-10-16 | 2019-01-04 | 浙江亿田智能厨电股份有限公司 | A kind of integrated kitchen range with Full-automatic cooker |
-
2006
- 2006-04-04 CN CN 200620057143 patent/CN2891905Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101248956B (en) * | 2008-03-22 | 2010-12-08 | 广东格兰仕集团有限公司 | Electric cooking appliance |
| CN105559510A (en) * | 2014-11-07 | 2016-05-11 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker |
| CN105559510B (en) * | 2014-11-07 | 2017-07-07 | 佛山市顺德区美的电热电器制造有限公司 | Electric cooker |
| CN109090985A (en) * | 2018-10-16 | 2018-12-28 | 浙江亿田智能厨电股份有限公司 | A kind of slidingtype rice cooker structure |
| CN109124303A (en) * | 2018-10-16 | 2019-01-04 | 浙江亿田智能厨电股份有限公司 | A kind of integrated kitchen range with Full-automatic cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070425 Termination date: 20100404 |