CN201066317Y - Pressure detection device for electric pressure pan - Google Patents
Pressure detection device for electric pressure pan Download PDFInfo
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- CN201066317Y CN201066317Y CNU2007200556361U CN200720055636U CN201066317Y CN 201066317 Y CN201066317 Y CN 201066317Y CN U2007200556361 U CNU2007200556361 U CN U2007200556361U CN 200720055636 U CN200720055636 U CN 200720055636U CN 201066317 Y CN201066317 Y CN 201066317Y
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- electric pressure
- cooking saucepan
- heating plate
- pressure cooking
- support members
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Abstract
The utility model discloses a pressure-detecting device used to detect the pressure in an electric pressure cooker, which includes a central controller, a sliding resistor arranged between the heating plate and shell of the electric pressure cooker consists of a sliding resistor body and a sliding electrode sliding on the sliding resistor body and is electrically connected with the central controller, and a transmission arm is arranged between the sliding resistor and the heating plate of the electric pressure cooker. By continuously measuring the displacement of the inner cooker or the heating plate of the electric pressure cooker, the utility model continuously detects and controls the pressure in the electric pressure cooker. Widely applied to various electric pressure cookers, the utility model is characterized in continuous and stable pressure detection, simple technique, low cost and long service life.
Description
Technical field
The utility model relates to electric pressure cooking saucepan pot inner pressure detection technique field, relates in particular to the pressure-detecting device that a kind of continuity detects the electric pressure cooking saucepan internal pressure.
Background technology
Be no more than certain dangerous values pressure in order to ensure the pressure in the electric pressure cooking saucepan, people have adopted many controls, detect the method for electric pressure cooking saucepan internal pressure, as Chinese patent application number is 200510100475.9, the day for announcing is on April 26th, 2006, name is called the patented claim of " a kind of pressure detection method of electric pressure cooking saucepan and pick-up unit ", a kind of pressure-detecting device of electric pressure cooking saucepan is disclosed, comprise strainometer, transmission arm, central controller etc., utilize complete strainometer to be placed on pot periphery within the electric pressure cooking saucepan, one end of transmission arm directly contacts with interior pot outer surface or heating plate bottom surface, and the other end directly contacts with the elastic matrix of strainometer.When interior pot expanded, transmission arm was converted to a displacement with interior pot swell increment, thereby made the elastic matrix distortion of strainometer that the electrical characteristics of foil gauge are changed, and collected the strainometer signal by central processing unit, reached the purpose that detects pot inner pressure.But the heat resistance of the strainometer measuring element that this scheme adopted is not good enough, thus the accuracy that influence is measured and the life-span of stability and product.
The utility model content
At the prior art deficiency, the utility model is special to propose that a kind of heat resistance is good, the displacement of interior pot that again can be by the continuous coverage electric pressure cooking saucepan come the device of continuous detecting, control electric pressure cooking saucepan pot inner pressure.
In order to reach above-mentioned technical purpose, the utility model has been taked following technical proposals:
A kind of pressure-detecting device of electric pressure cooking saucepan, comprise central controller, between the heating plate of electric pressure cooking saucepan and shell slide resistor is set, described slide resistor comprises sliding resistance body and the sliding electrode that slides on sliding resistance body, and described slide resistor is electrically connected with described central controller; Between the heating plate of slide resistor and electric pressure cooking saucepan, transmission arm is set.
Described slide resistor is called potentiometer again, mainly comprises sliding resistance body and the sliding electrode that slides on sliding resistance body, and sliding resistance body is to be made of shell, resistance diaphragm, output electrode and interlock circuit.When the imput output circuit of slide resistor was in running order, the resistance value that the mobile meeting of sliding electrode causes exporting changed, and produced different electric signal, and was collected the signal of described slide resistor by central controller.
When the electric pressure cooking saucepan pot inner pressure raises, the junction surface of relative outer pot of interior pot and pot cover moves down, there is certain space between the heating plate bottom of electric pressure cooking saucepan and electric pressure cooking saucepan outer pot, interior pot is under the effect of air pressure inside, an interior pot drive heating plate makes transmission arm drive described sliding electrode to bottom offset and slides on described sliding resistance body, or make described transmission arm drive described slide resistor to move, and then allow sliding electrode on sliding resistance body, slide, the displacement of the heating plate of electric pressure cooking saucepan or interior pot is converted into the resistance change of described slide resistor, the electric signal that output simultaneously changes, and detect pot inner pressure by the signal that central controller is collected described slide resistor.Directly detect each micro displacement amount of interior pot by continuity ground, thereby reach the purpose that detects the electric pressure cooking saucepan pot inner pressure.
The utility model can also be, described transmission arm one end is connected on the heating plate of described electric pressure cooking saucepan, and the other end of described transmission arm is connected on the sliding electrode of described slide resistor; Described slide resistor is fixed between the heating plate and shell of electric pressure cooking saucepan.
The utility model can also be, is provided with on the outer pot the bottom of a pan that flexible support members is placed on electric pressure cooking saucepan, and the heating plate of described electric pressure cooking saucepan is placed on the described flexible support members medial surface; Described transmission arm one end is connected on the lateral surface of described flexible support members, and the other end is connected on the sliding electrode of described slide resistor; Described slide resistor is fixed between described flexible support members and the shell.Described flexible support members is to have spring function and can make the heating plate of electric pressure cooking saucepan or the device that interior pot resets.The described outer pot the bottom of a pan is the empty structure of open type, and the flexible support members that will have a spring function is overlapped on the protrusion limit that outer pot sidewall bottom forms and directly forms the outer pot the bottom of a pan.When interior pot pressurized moves down, promote heating plate and also move down, described flexible support members forms an equilibrant to the heating plate that moves down.Described flexible support members medial surface is meant the surface of the corresponding heating plate of flexible support members, and described flexible support members lateral surface is meant the surface of flexible support members corresponding voltage power pot shell.
The utility model can also be, inner surface in the outer pot the bottom of a pan of described electric pressure cooking saucepan is provided with the rib of projection, also be provided with and constitute a girder structure on the rib that flexible support members is placed on described projection, the heating plate of described electric pressure cooking saucepan is placed on the described flexible support members medial surface; Described transmission arm one end is connected on the lateral surface of described flexible support members, and the other end is connected on the sliding electrode of described slide resistor; Described slide resistor is fixed between described flexible support members and the shell.
As equivalent, the position of above-mentioned sliding electrode and slide resistor relation can be changed, that is: the other end of described transmission arm is connected on the described slide resistor; The sliding electrode of described slide resistor is fixed between heating plate or flexible support members and the shell.
In technique scheme, when described transmission arm has passed the described outer pot the bottom of a pan or described flexible support members, should on the described outer pot the bottom of a pan or described flexible support members, have enough big and hole that can allow described transmission arm move around in corresponding position.
Described central controller is that a whole set of is used for the various electric signal of electric pressure cooking saucepan are handled, and the circuit of the control electric pressure cooking saucepan course of work, it is under user's setting, can realize automatically that pot inner pressure, working time, mode of operation etc. to electric pressure cooking saucepan are detected, handle and control, and the display process result.
Compared with prior art, the beneficial effects of the utility model are:
(1) owing to adopt in the measuring voltage power pot pot or heating plate displacement to measure the electric pressure cooking saucepan pot inner pressure to change, thereby the distortion fatigue loss that has reduced the electric pressure cooking saucepan parts has increased the serviceable life of electric pressure cooking saucepan parts.
(2), thereby make monitoring, the control pot inner pressure that central controller can be continuous owing to adopted slide resistor can continuity to detect and export corresponding electric signal.
(3) because described slide resistor is simple in structure, thereby the low pressure-detecting device manufacturing cost of electric pressure cooking saucepan that makes of cost reduces.
(4) because transmission arm is set the heating plate of electric pressure cooking saucepan or the displacement of interior pot are passed to slide resistor, slide rheostat and interior pot or heating plate separated and avoid the high-temperature region of pressure cooker, make slide rheostat working stability still under hot conditions, thereby improve serviceable life.
The utility model is applicable to various electric pressure cooking saucepans.
Description of drawings
Fig. 1 is the structural representation of the utility model device embodiment one;
Fig. 2 is the structural representation of the utility model device embodiment two;
Fig. 3 is the structural representation of the utility model device embodiment three.
Embodiment
Below in conjunction with accompanying drawing, further specify embodiment of the present utility model.
Embodiment one:
As shown in Figure 1, pressure cooker comprises shell 1, outer pot 2, interior pot 4, O-ring seal, pot cover, control circuit, central controller, heating plate 5, transmission arm 6, slide resistor 7, and wherein slide resistor 7 comprises sliding resistance body 8 and the sliding electrode 9 that slides on sliding resistance body 8.Pot cover 1 also comprises folding lid mechanism and pressure limiting steam discharge mechanism.Adopt the O-ring seal packoff between interior pot 4 and the pot cover, interior pot 4 can be with respect to the relative displacements about pot cover and outer pot 2 works; Heating plate 5 be positioned at the pot 4 belows and and the pot 4 close joining, heating plate 5 bottom disjunctors are cast with the heating plate dagger; Be fixed with transmission arm 6 in heating plate 5 bottoms, transmission arm 6 other ends pass the sliding electrode 9 of outer pot 2 thes bottom of a pan and the slide resistor that is connected, and between heating plate 5 and the transmission arm 6 or between transmission arm 6 and the sliding electrode 9 heat insulation 11 are being set.Heat insulation 11 mainly is to be used for reducing the influence of heating plate 5 heatings to slide resistor 7, makes slide resistor 7 stability better.Pass at transmission arm 6 that have on the position in outer pot 2 thes bottom of a pan at least can be by transmission arm 6 and the hole that allows transmission arm 6 move around, transmission arm 6 passes the bottom of a pan of outer pot 2 from this hole; Slide resistor 7 usefulness supports are fixed between the shell 1 and heating plate 5 of electric pressure cooking saucepan.
When the electric pressure cooking saucepan pot inner pressure raises, interior pot 4 relative outer pots 2 move down with the junction surface of pot cover, interior pot 4 is under the effect of air pressure inside, interior pot 4 drives heating plates 5 to bottom offset, the transmission arm 6 that promptly drives heating plate 5 bottoms moves down, the sliding electrode 9 that corresponding transmission arm 6 drives transmission arm 6 ends slides on sliding resistance body 8, make the resistance value of slide resistor 7 change and produce electrical signal transfer and be converted into the relevant pressure value, and according to the needs of cooking heating plate 5 is controlled by central controller to central controller.In this process, the heating plate dagger overcomes the elastic force in the bottom of a pan of outer pot 2, makes the bottom of a pan of outer pot 2 that elastic deformation take place.After central controller controls heating plate 5 stops heating, when interior pot 4 internal pressures are not enough to overcome the elastic force that the bottom of a pan produced of outer pot 2, the bottom of a pan promotion heating plate 5 and interior pot 4 by outer pot 2 move upward, transmission arm 6 drives sliding electrode 9 and moves upward, sliding electrode 9 is slided on sliding resistance body 8, and then the resistance value of slide resistor 7 changes and produces electrical signal transfer and is converted into the relevant pressure value to central controller, and according to the needs of cooking heating plate 5 is controlled, thereby reach real-time detection pot inner pressure by central controller, the purpose of control electric pressure cooking saucepan work.
Embodiment two:
As shown in Figure 2, the difference with embodiment one is:
The rib 10 of the projection of the concentric circle in one circle and outer pot 2 thes bottom of a pan is set in the inboard the bottom of a pan of outer pot 2, the flexible support members 3 that one monoblock spring steel plate constitutes is striden and is placed on the rib 10, flexible support members 3 and rib 10 form a girder structure, and the heating plate 5 of electric pressure cooking saucepan is placed on the flexible support members 3; Transmission arm 6 one ends are fixed on flexible support members 3 lateral surfaces of flexible support members 3 corresponding outer pots 2, sliding electrode 9 is fixed on the other end of transmission arm 6, between shell 1 and flexible support members 3 with the fixing slide resistor 7 of support.Other structure is with embodiment one.
When the electric pressure cooking saucepan pot inner pressure raises, interior pot 4 relative outer pots 2 move down with the junction surface of pot cover, interior pot 4 is under the effect of air pressure inside, interior pot 4 drives heating plates 5 to bottom offset, the heating plate dagger that promptly drives heating plate 5 bottoms moves down to be depressed flexible support members 3 and makes it that elastic deformation take place, the sliding electrode 9 that transmission arm 6 on corresponding flexible support members 3 lateral surfaces drives transmission arm 6 ends moves down, sliding electrode 9 is slided on sliding resistance body 8, and then the resistance value of slide resistor 7 changes and produces electrical signal transfer and be converted into the relevant pressure value to central controller, and heating plate 5 controlled according to the needs of cooking by central controller.After central controller controls heating plate 5 stops heating, when interior pot 4 internal pressures are not enough to overcome the elastic force that flexible support members 3 produced, move upward by flexible support members 3 promotion heating plates 5 and interior pot 4, the sliding electrode 9 that drives transmission arm 6 and transmission arm 6 ends simultaneously moves upward, sliding electrode 9 is slided on sliding resistance body 8, and then the resistance value of slide resistor 7 changes and produces electrical signal transfer and is converted into the relevant pressure value to central controller, and according to the needs of cooking heating plate 5 is controlled, thereby reach real-time detection pot inner pressure by central controller, the purpose of controlled pressure pot work.
Embodiment three:
As shown in Figure 3, be with the difference of embodiment one: outer pot 2 thes bottom of a pan are empty structures of open type, and the flexible support members 3 that will have a spring function is overlapped on the protrusion limit that outer pot 2 sidewalls bottom forms and directly forms the outer pot the bottom of a pan.When interior pot 4 pressurizeds move down, promote heating plate 5 and also move down, 3 pairs of heating plates that move down of flexible support members 5 form an equilibrant.Transmission arm 6 one ends are fixed on flexible support members 3 lateral surfaces of flexible support members 3 corresponding shells 1, sliding electrode 9 is fixed on the other end of transmission arm 6, between shell 1 and flexible support members 3 with the fixing slide resistor 7 of support.Other structure is with embodiment one.
Claims (4)
1. the pressure-detecting device of an electric pressure cooking saucepan, comprise central controller, it is characterized in that: between the heating plate of electric pressure cooking saucepan and shell, slide resistor is set, described slide resistor comprises sliding resistance body and the sliding electrode that slides on sliding resistance body, described slide resistor is electrically connected with described central controller; Between the heating plate of slide resistor and electric pressure cooking saucepan, transmission arm is set.
2. the pressure-detecting device of electric pressure cooking saucepan according to claim 1, it is characterized in that: described transmission arm one end is connected on the heating plate of described electric pressure cooking saucepan, and the other end of described transmission arm is connected on the sliding electrode of described slide resistor; Described slide resistor is fixed between the heating plate and shell of electric pressure cooking saucepan.
3. the pressure-detecting device of electric pressure cooking saucepan according to claim 1 is characterized in that: be provided with on the outer pot the bottom of a pan that flexible support members is placed on electric pressure cooking saucepan, the heating plate of described electric pressure cooking saucepan is placed on the described flexible support members medial surface; Described transmission arm one end is connected on the lateral surface of described flexible support members, and the other end is connected on the sliding electrode of described slide resistor; Described slide resistor is fixed between described flexible support members and the shell.
4. the pressure-detecting device of electric pressure cooking saucepan according to claim 1, it is characterized in that: the inner surface in the outer pot the bottom of a pan of described electric pressure cooking saucepan is provided with the rib of projection, also be provided with and constitute a girder structure on the rib that flexible support members is placed on described projection, the heating plate of described electric pressure cooking saucepan is placed on the described flexible support members medial surface; Described transmission arm one end is connected on the lateral surface of described flexible support members, and the other end is connected on the sliding electrode of described slide resistor; Described slide resistor is fixed between described flexible support members and the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200556361U CN201066317Y (en) | 2007-08-17 | 2007-08-17 | Pressure detection device for electric pressure pan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200556361U CN201066317Y (en) | 2007-08-17 | 2007-08-17 | Pressure detection device for electric pressure pan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066317Y true CN201066317Y (en) | 2008-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200556361U Expired - Fee Related CN201066317Y (en) | 2007-08-17 | 2007-08-17 | Pressure detection device for electric pressure pan |
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| CN (1) | CN201066317Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102008227A (en) * | 2010-09-15 | 2011-04-13 | 乔林友 | Pressure sensor for heating container |
| CN101592541B (en) * | 2009-06-29 | 2011-05-04 | 杭州精久科技有限公司 | Continuous pressure detection device for electric pressure cooker |
| CN104510331A (en) * | 2013-09-27 | 2015-04-15 | 美的集团股份有限公司 | Pressure cooker |
| CN108645659A (en) * | 2018-05-23 | 2018-10-12 | 天能集团（河南）能源科技有限公司 | The device and method of electrolyte in a kind of lead-acid accumulator automatic collection AGM partition boards |
| CN111855037A (en) * | 2020-08-06 | 2020-10-30 | 重庆大学 | Ground stress measuring device |
-
2007
- 2007-08-17 CN CNU2007200556361U patent/CN201066317Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592541B (en) * | 2009-06-29 | 2011-05-04 | 杭州精久科技有限公司 | Continuous pressure detection device for electric pressure cooker |
| CN102008227A (en) * | 2010-09-15 | 2011-04-13 | 乔林友 | Pressure sensor for heating container |
| CN104510331A (en) * | 2013-09-27 | 2015-04-15 | 美的集团股份有限公司 | Pressure cooker |
| CN108645659A (en) * | 2018-05-23 | 2018-10-12 | 天能集团（河南）能源科技有限公司 | The device and method of electrolyte in a kind of lead-acid accumulator automatic collection AGM partition boards |
| CN108645659B (en) * | 2018-05-23 | 2021-04-16 | 天能集团（河南）能源科技有限公司 | Device and method for automatically collecting electrolyte in AGM separator of lead-acid storage battery |
| CN111855037A (en) * | 2020-08-06 | 2020-10-30 | 重庆大学 | Ground stress measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: FOSHAN CITY FUSHIBAO ELECTRICAL APPLIANCES SCIENCE Free format text: FORMER NAME: FUSHAN CITY FUSHIBAO ELECTRICAL EQUIPMENT SCIENCE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: Apricot Industrial Zone, apricot Road, Nanzhuang Town, Chancheng District, Guangdong, Foshan Province, China: 528000 Patentee after: Foshan Fushibao Electrical Equipment & Technology Co., Ltd. Address before: Foshan City, Guangdong province Chancheng Nanzhuang apricot Industrial Park, Foshan Fusibo Electrical Appliance Technology Co., Ltd., postcode: 528000 Patentee before: Fushibao Electric Appliance Sci. & Tech Co., Ltd., Foshan City |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20100817 |