CN201968454U - Electric pressure cooker - Google Patents
Electric pressure cooker Download PDFInfo
- Publication number
- CN201968454U CN201968454U CN2011200427723U CN201120042772U CN201968454U CN 201968454 U CN201968454 U CN 201968454U CN 2011200427723 U CN2011200427723 U CN 2011200427723U CN 201120042772 U CN201120042772 U CN 201120042772U CN 201968454 U CN201968454 U CN 201968454U
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- CN
- China
- Prior art keywords
- hall element
- stopping valve
- pot
- electric pressure
- cooker
- 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
- 238000010411 cooking Methods 0.000 claims description 23
- 238000005485 electric heating Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000006073 displacement reaction Methods 0.000 description 10
- 230000006698 induction Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model belongs to the field of small kitchen appliances, in particular to an electric pressure cooker with a pressure detection device, which comprises a cooker body, an inner cooker arranged in the cooker body, an inner cooker cover arranged on the inner cooker and a cooker cover arranged on the cooker body; the cooker cover is characterized in that the pressure device comprises a Hall sensor arranged on the cooker cover and an opening stopping valve arranged on the inner cooker, the opening stopping valve is fixedly provided with a magnetic part, the magnetic part corresponds to the Hall sensor, and the Hall sensor is in circuit connection with the microprocessor. The utility model discloses an electric pressure cooker, its structure safety, detection are accurate, and detecting element does not receive external factor or external force's interference.
Description
Technical field
The utility model belongs to small household appliances field, kitchen, relates in particular to a kind of electric pressure cooking saucepan with pressure-detecting device.
Background technology
Development and raising along with modern technologies, each enterprise is more and more higher to the specification requirement and the intelligent degree of household electrical appliances, the consumer is also improving the quality requirement of culinary art, going up of electric pressure cooking saucepan presses signal to be detected by tongue tube and assembly thereof at present, and the internal structure of tongue tube is encapsulated in the glass tube by two very approaching metal clips to be formed.When magnetic field was close, two metal clips will be pulled together, thereby make the two ends conducting of tongue tube.Now tongue tube is contained in the centre of pressure cooker loam cake, a magnet steel is equipped with in the stopping valve upper end, and when pot inner pressure increased, steam up pushed up stopping valve, thereby impels the tongue tube action, and then the corresponding signal of telecommunication is fed back to single-chip microcomputer, by the single-chip microcomputer guiding work.Owing to the in-built reason of tongue tube, when tongue tube the effect lower-glass Guan Yi of external force break or the situation in external shock under may cause the tongue tube misoperation, thereby reduced the job stability of tongue tube.If the abnormal conditions of appeal appear in the consumer in the process of using, gently then reduce the culinary art effect, heavy then cause the too high and generation danger etc. of pot inner pressure.
The utility model content
The technical problems to be solved in the utility model provides a kind of structural safety, detects electric pressure cooking saucepan more accurately.
Technical scheme that the utility model adopts is: a kind of electric pressure cooking saucepan, comprise a pot body, be arranged at interior pot in pot body, be arranged on the pot inner pot cover, be arranged at the pot cover on the described pot body; The dc source that is located on the wiring board is arranged in the described pot cover, the switching device of control electric heating device, key device, last pressure checkout gear, show and micro processor, apparatus, micro treatmenting device receives key device respectively and goes up and inputs to switching device control electric heating device after the signal of pressing checkout gear is handled, it is characterized in that, described go up pressure device comprise the Hall element that is located at described pot cover and described in stopping valve on the pot, described stopping valve is set with magnetic part, described magnetic part is corresponding mutually with described Hall element, and described Hall element is connected with described microcontroller circuit.
Hall element is a kind of Magnetic Sensor, and it can detect magnetic field and changes of magnetic field.Air pressure in the pot body reaches one regularly, and stopping valve moves up, and realizes that it only opens function.The displacement that magnetic part on the stopping valve produces because of stopping valve also produce synchronous displacement and contact with Hall element or be moved to Hall element actual induction distance in.Hall element is sent to microprocessor to signal after sensing magnetic field, and microprocessor is realized the control signal of switch according to this signal.
Further, described stopping valve is arranged on the described inner pot cover.Because pressure is to move up, stopping valve located in the above is detected pressures better.
Further, described magnetic part is fixedly set in the top of described stopping valve.So more effectively make Hall element directly contact magnetic part, send accurately and judge.
Further, described magnetic part is a magnet.Magnet uses comparatively general.The requirement in the magnetic field of Hall element induction is also lower, and common magnet can be realized.
Further, the input termination 5V power supply of described Hall element, the connection of earth terminal ground connection, output connect the 5V power supply by resistance R 1 and are connected with microprocessor.
The utility model does not have pressure in the specific implementation in the pot of electric pressure cooking saucepan, stopping valve is in the state of sinking.The magnet of this moment apart from the actual induction of Hall element distance within the scope of 7mm.The magnet fixed distance of stopping valve upper end is distant at the Hall element of pot cover, Hall element can not detect the variation in magnetic field, the output of Hall element output high level under the situation that resistance R 1 exists makes heat-generating disc be in heated condition by microprocessor control electricity heating switching device to microprocessor then.
The air pressure that is accompanied by in pot body raises, and when the air pressure in the pot body reached certain value, stopping valve produced displacement under the effect of air pressure inside, and direction of displacement upwards.This moment stopping valve the upper end apart from the distance of Hall element then within the actual induction distance, Hall element detects magnetic field, thereby the output output low level that makes Hall element is made the state of a heating at intermittence of heat-generating disc board again to microprocessor by microprocessor control electricity heating switching device.By the situation of change of detection Hall element output output level and by microprocessor heat-generating disc is controlled, thereby reach the pressure that detects in the electric pressure cooking saucepan pot, the effect of control electric pressure cooking saucepan work, realized the purpose of the utility model electric pressure cooking saucepan pressure detecting.
Compared with prior art, the beneficial effects of the utility model are: structural safety, detect accurately, detecting element is not subjected to the interference of extraneous factor or external force.
Description of drawings
Fig. 1 is the preceding structure chart of stopping valve displacement of a kind of electric pressure cooking saucepan of the utility model;
Fig. 2 is the structure chart after the stopping valve displacement of a kind of electric pressure cooking saucepan of the utility model;
Fig. 3 is the circuit working schematic diagram of a kind of electric pressure cooking saucepan of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail:
Embodiment one:
As Figure 1-3, a kind of electric pressure cooking saucepan described in the utility model, comprise a pot body, be arranged at interior pot in pot body, be arranged on the pot inner pot cover, be arranged at the pot cover 1 on the described pot body; Have in the pot cover 1 dc source that is located on the wiring board, control electric heating device switching device, key device, on press checkout gear, demonstration and micro processor, apparatus, micro treatmenting device to receive key device respectively and go up and input to switching device control electric heating device after the signal of pressing checkout gear is handled, wherein, last pressure device comprises that the Hall element 2 that is located at pot cover reaches the stopping valve 3 on the interior pot, stopping valve 3 is set with magnetic part 4, magnetic part 4 is corresponding mutually with Hall element 2, and Hall element 2 is connected with microcontroller circuit.
Stopping valve 3 is arranged on the inner pot cover.Because pressure is to move up, stopping valve 3 located in the above is detected pressures better.
The input termination 5V power supply of Hall element 2, earth terminal ground connection connect, output connects the 5V power supply by resistance R 1 and is connected with microprocessor.
The electric pressure cooking saucepan of present embodiment does not have pressure in the specific implementation in the pot of electric pressure cooking saucepan, stopping valve is in the state of sinking.The magnet of this moment apart from the actual induction of Hall element 2 distance within the scope of 7mm.The magnet fixed distance of stopping valve 3 upper ends is distant at the Hall element 2 of pot cover, Hall element is 2 variations that can detect magnetic field not, the output of Hall element 2 output high level under the situation that resistance R 1 exists makes heat-generating disc be in heated condition by microprocessor control electricity heating switching device to microprocessor then.
The air pressure that is accompanied by in pot body raises, and when the air pressure in the pot body reached certain value, stopping valve 3 produced displacement under the effect of air pressure inside, and direction of displacement upwards.This moment stopping valve 3 the upper end apart from the distance of Hall element 2 then within the actual induction distance, Hall element 2 detects magnetic field, thereby the output output low level that makes Hall element 2 is made the state of a heating at intermittence of heat-generating disc again to microprocessor by microprocessor control electricity heating switching device.By the situation of change of detection Hall element 2 output output levels and by microprocessor heat-generating disc is controlled, thereby reach the pressure that detects in the electric pressure cooking saucepan pot, the effect of control electric pressure cooking saucepan work, realized the purpose of the utility model electric pressure cooking saucepan pressure detecting.
The utility model is not limited to these embodiments, any on the present embodiment essence spirit improvement or substitute, still belong to the utility model claim scope required for protection.
Claims (5)
1. electric pressure cooking saucepan, comprise a pot body, be arranged at interior pot in pot body, be arranged on the pot inner pot cover, be arranged at the pot cover on the described pot body; The dc source that is located on the wiring board is arranged in the described pot cover, the switching device of control electric heating device, key device, last pressure checkout gear, show and micro processor, apparatus, micro treatmenting device receives key device respectively and goes up and inputs to switching device control electric heating device after the signal of pressing checkout gear is handled, it is characterized in that, described go up pressure device comprise the Hall element (2) that is located at described pot cover (1) and described in stopping valve (3) on the pot, described stopping valve (3) is set with magnetic part (4), described magnetic part (4) is corresponding mutually with described Hall element (2), and described Hall element (2) is connected with described microcontroller circuit.
2. a kind of electric pressure cooking saucepan according to claim 1 is characterized in that, described stopping valve (4) is arranged on the described inner pot cover.
3. a kind of electric pressure cooking saucepan according to claim 1 is characterized in that, described magnetic part (4) is fixedly set in the top of described stopping valve (3).
4. a kind of electric pressure cooking saucepan according to claim 1 is characterized in that, described magnetic part (4) is a magnet.
5. a kind of electric pressure cooking saucepan according to claim 1 is characterized in that, the input termination 5V power supply of described Hall element (2), earth terminal ground connection connect, output connects the 5V power supply by resistance R 1 and is connected with described microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200427723U CN201968454U (en) | 2011-02-21 | 2011-02-21 | Electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200427723U CN201968454U (en) | 2011-02-21 | 2011-02-21 | Electric pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201968454U true CN201968454U (en) | 2011-09-14 |
Family
ID=44573564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200427723U Expired - Lifetime CN201968454U (en) | 2011-02-21 | 2011-02-21 | Electric pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201968454U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244996A (en) * | 2015-10-29 | 2016-01-13 | 浙江绍兴苏泊尔生活电器有限公司 | On-off detection circuit, power supply method thereof and pressure cooker |
| WO2016077979A1 (en) * | 2014-11-18 | 2016-05-26 | 史利利 | Electric pressure cooker and detection circuit thereof |
| WO2016077987A1 (en) * | 2014-11-18 | 2016-05-26 | 魏晓敏 | Electric pressure cooker and pressure detection circuit thereof |
| CN108261057A (en) * | 2016-12-30 | 2018-07-10 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
-
2011
- 2011-02-21 CN CN2011200427723U patent/CN201968454U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016077979A1 (en) * | 2014-11-18 | 2016-05-26 | 史利利 | Electric pressure cooker and detection circuit thereof |
| WO2016077987A1 (en) * | 2014-11-18 | 2016-05-26 | 魏晓敏 | Electric pressure cooker and pressure detection circuit thereof |
| CN105244996A (en) * | 2015-10-29 | 2016-01-13 | 浙江绍兴苏泊尔生活电器有限公司 | On-off detection circuit, power supply method thereof and pressure cooker |
| CN105244996B (en) * | 2015-10-29 | 2018-04-03 | 浙江绍兴苏泊尔生活电器有限公司 | On-off detection circuit, power supply method thereof and pressure cooker |
| CN108261057A (en) * | 2016-12-30 | 2018-07-10 | 浙江绍兴苏泊尔生活电器有限公司 | Cooking utensil |
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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 |
Granted publication date: 20110914 |
|
| CX01 | Expiry of patent term |