CN107048993A - Pressure cooker - Google Patents
Pressure cooker Download PDFInfo
- Publication number
- CN107048993A CN107048993A CN201710352593.1A CN201710352593A CN107048993A CN 107048993 A CN107048993 A CN 107048993A CN 201710352593 A CN201710352593 A CN 201710352593A CN 107048993 A CN107048993 A CN 107048993A
- Authority
- CN
- China
- Prior art keywords
- pressure
- limiting valve
- pressure limiting
- adhesive
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000000853 adhesive Substances 0.000 claims description 56
- 230000001070 adhesive effect Effects 0.000 claims description 56
- 238000007789 sealing Methods 0.000 abstract 1
- 206010053615 Thermal burn Diseases 0.000 description 6
- 238000010411 cooking Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/0802—Control mechanisms for pressure-cookers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/32—Time-controlled igniting mechanisms or alarm devices
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention provides a pressure cooker, which comprises a cover body, an exhaust pipe arranged on the cover body, and a pressure limiting valve, wherein the pressure limiting valve is sleeved at the exhaust port of the exhaust pipe and used for sealing or unsealing the exhaust port, and the pressure cooker also comprises: the limiting device is used for attracting the pressure limiting valve or disconnecting the attraction with the pressure limiting valve; and the controller controls the limiting device to suck the pressure limiting valve or disconnect the suction of the limiting device and the pressure limiting valve according to the current working parameters of the pressure cooker. The invention solves the problem of potential safety hazard caused by misoperation of the pressure limiting valve of the pressure cooker in the prior art, thereby improving the safety of the pressure cooker and avoiding scalding caused by misoperation of a user in the operation process of the pressure cooker.
Description
Technical field
The present invention relates to kitchen appliance technical field, and in particular to a kind of pressure cooker.
Background technology
Electric pressure cooking saucepan because its can enter horizontal high voltage culinary art, and have the advantages that culinary art effect it is good, save, it is efficient, it has also become
One of the indispensable electrical equipment in kitchen.
The operation principle of electric pressure cooking saucepan is to control pot inner pressure using pressure limiting valve, so as to reach regulation pressure and protection
Effect.
Control pressure limiting valve has two schemes at present, and the first is that user stirs pressure limiting valve with hand, lifts pressure limiting valve, in pot
Gas is discharged from blast pipe.This method for exhausting potential safety hazard is larger, and the hand of user is directly contacted with pressure limiting valve, blast pipe discharge
High-temperature steam easily scalds user.Second is to control pressure limiting valve by magnetic valve, by software program or by key control electricity
Magnet valve lifts pressure limiting valve to discharge pot inner pressure.This scheme has very big lifting compared with the first security, and user is in initiative exhaust
Hand is away from blast pipe.But two schemes have no pressure limiting valve in the design protection for user misoperation pressure limiting valve, two schemes
Can arbitrarily it be stirred, blast pipe can spray moment if if user, when pressure cooker is run, maloperation pressure limiting valve lifts pressure limiting valve
High-temperature steam scalds user.In addition, pressure cooker does not detect the whether correct method in pressure limiting valve position also, when user's neglected loading pressure limiting
Pressure cooker pot inner pressure can be caused abnormal when valve or pressure limiting valve malposition.
The content of the invention
In view of this, the embodiments of the invention provide a kind of pressure cooker, to solve pressure limiting in the prior art to pressure cooker
Valve has carried out maloperation, the problem of causing potential safety hazard.
Therefore, the embodiments of the invention provide following technical scheme：
The invention provides a kind of pressure cooker, including lid, the blast pipe being arranged on the lid, pressure limiting valve, wherein,
The pressure limiting valve is set in the exhaust ports of the blast pipe and for being sealed to the exhaust outlet or depressurization, described
Pressure cooker also includes：Stopping means, for pressure limiting valve described in adhesive or disconnection and the adhesive of the pressure limiting valve；Controller, root
According to pressure limiting valve described in stopping means adhesive described in the current operating parameter control of the pressure cooker or disconnection and the pressure limiting valve
Adhesive.
Alternatively, the stopping means is calutron, and the calutron is arranged at the lower section of the pressure limiting valve.
Alternatively, the running parameter includes air pressure and/or temperature；The pressure cooker also includes：Baroceptor, is used for
Obtain the air pressure inside the pressure cooker；And/or, temperature sensing device, for obtaining the temperature inside the pressure cooker.
Alternatively, the controller is additionally operable to obtain the air pressure from the baroceptor, is less than the in the air pressure
During one predetermined threshold, pressure limiting valve described in the stopping means adhesive is controlled, it is pre- to be more than or equal to described first in the air pressure
When determining threshold value, the stopping means is controlled to disconnect the adhesive with the pressure limiting valve；Or, it is less than the second predetermined threshold in the temperature
During value, pressure limiting valve described in the stopping means adhesive is controlled, when the temperature is more than or equal to second predetermined threshold,
The stopping means is controlled to disconnect the adhesive with the pressure limiting valve.
Alternatively, in the case where the pressure cooker is the pressure cooker of manual exhaust formula, the running parameter indicates complete
Into during work, the controller is used to control the stopping means to disconnect the adhesive with the pressure limiting valve.
Alternatively, when the pressure cooker is the pressure cooker using solenoid valve control pressure limiting valve exhausting, the controller is used
In before magnetic valve startup, the stopping means is controlled to disconnect the adhesive with the pressure limiting valve.
Alternatively, in addition to：Pressure sensor, for obtaining the pressure between the stopping means and the pressure limiting valve；
The controller is additionally operable to judge the adhesive degree between the stopping means and the pressure limiting valve according to the pressure.
Alternatively, in addition to：Alarm, for receiving alarm signal from the controller, enters according to the alarm signal
Row alert process；Wherein, the controller generates described between the stopping means and the pressure limiting valve during not complete adhesive
Alarm signal.
Technical scheme of the embodiment of the present invention, has the following advantages that：
The embodiments of the invention provide a kind of pressure cooker, including lid, the blast pipe being arranged on lid, pressure limiting valve, its
In, pressure limiting valve is set in the exhaust ports of blast pipe and for being sealed to exhaust outlet or depressurization, and pressure cooker also includes：
Stopping means, for adhesive pressure limiting valve or disconnection and the adhesive of pressure limiting valve, such as stopping means can be calutron；Control
Device processed, according to the current operating parameter control stopping means adhesive pressure limiting valve of pressure cooker or disconnection and the adhesive of pressure limiting valve.When
Pressure cooker in the process of running when stopping means pressure limiting valve firmly adhesive can be prevented that pressure limiting valve from arbitrarily being stirred, work as controller
Judge that pressure cooker needs to need first to disconnect and then open magnetic valve again or by user's manual exhaust stopping means during exhaust.Solve
Maloperation, the problem of causing potential safety hazard are carried out to the pressure limiting valve of pressure cooker in the prior art, so as to improve pressure cooker
Security, will not cause to scald in pressure cooker running because of the maloperation of user.
A kind of pressure cooker provided in an embodiment of the present invention, including：Pressure sensor, for obtaining stopping means and pressure limiting valve
Between pressure；Controller is additionally operable to judge adhesive degree between the stopping means and pressure limiting valve according to pressure, described
Between stopping means and pressure limiting valve not complete adhesive when generate alarm signal, and alarm signal is sent to alarm, by alarming
Device is alarmed, and points out user to want to make pressure cooker to detect that pressure limiting valve position correctly just can be just through calutron when bringing into operation
Often operation.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of pressure cooker according to embodiments of the present invention；
Fig. 2 is pressure limiting valve fault-operation protection flow chart according to embodiments of the present invention；
Fig. 3 is pressure limiting valve position judgment flow chart according to embodiments of the present invention.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those skilled in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of protection of the invention.
A kind of pressure cooker is provided in the present embodiment, and Fig. 1 is the structural representation of pressure cooker according to embodiments of the present invention
Figure, as shown in figure 1, the pressure cooker, including lid (1), the blast pipe (2) being arranged on lid (1), pressure limiting valve (3), spacing dress
(4) and controller are put, wherein, the controller can be located at the outer surface of the pressure cooker, be connected by wired or wireless mode
To stopping means (4), the distal end of pressure cooker can also be located at, stopping means (4), pressure limiting valve (3) is wirelessly connected to
It is set in exhaust outlet (201) place of blast pipe (2) and for being sealed or depressurization to the exhaust outlet (201), spacing dress
Put (4) and be additionally operable to adhesive pressure limiting valve (3) or disconnection and the adhesive of pressure limiting valve (3), work of the controller according to pressure cooker currently
State modulator stopping means (4) adhesive pressure limiting valve (3) or disconnection and the adhesive of pressure limiting valve (3).
By the above-mentioned pressure cooker for further comprising stopping means and controller, by controller according to the work in pressure cooker
State modulator stopping means adhesive pressure limiting valve or disconnection and the adhesive of pressure limiting valve, compared to the pressure limiting of pressure cooker in the prior art
Valve can be fluctuated arbitrarily, may cause to scald because of the maloperation of user in pressure cooker running, in the present embodiment
Pressure cooker, under pressure limiting valve increase a stopping means, when pressure cooker in the process of running when stopping means can be by pressure limiting valve
Firmly adhesive, prevents that pressure limiting valve from arbitrarily being stirred, and needs first to disconnect stopping means when controller judges that pressure cooker needs exhaust
Then magnetic valve is opened again or by user's manual exhaust, solve and in the prior art the pressure limiting valve of pressure cooker grasp by mistake
Make, the problem of causing potential safety hazard, so that the security of pressure cooker is improved, will not be because of user in pressure cooker running
Maloperation cause scald.
The main function of above-mentioned stopping means is adhesive pressure limiting valve or disconnection and the adhesive of pressure limiting valve, so that limit
Pressure valve is not stirred arbitrarily, can adhesive pressure limiting valve, and disconnection and the adhesive of pressure limiting valve under another fixed condition under certain condition
Device can serve as above-mentioned stopping means, in one alternate embodiment, above-mentioned stopping means can be calutron, electricity
Magnetic device is arranged at the lower section of pressure limiting valve, and the size of calutron magnetic force, whether there is can be by current control, and then can be according to pressure
The size of the content regulation electric current of the magnetic metal of power pot pressure limiting valve and direction control the adhesive of calutron and stopping means
With disconnecting adhesive.
When above-mentioned running parameter is air pressure, pressure cooker also includes the air pressure sensing for being used to obtain pressure cooker air pressure inside
Device, when the air pressure that baroceptor is collected is less than the first predetermined threshold, (first predetermined threshold can be according to actual conditions
It is adjusted flexibly), then now pressure cooker need not be vented, controller control stopping means adhesive pressure limiting valve, be adopted in baroceptor
When the air pressure collected is more than or equal to first predetermined threshold, then now judge that pressure cooker needs exhaust, controller control limit
Position device disconnects the adhesive with the pressure limiting valve.
The pressure of electric pressure cooking saucepan in the course of the work is monitored jointly by pressure switch and temperature-sensitive bag, when pot inner pressure is reached
Pressure switch can disconnect first during setting value, and just corresponding disconnect stops heating to relay when software detection to pressure switch disconnects.
If pressure switch fails, judged by temperature-sensitive bag, when kettle temperature reaches the protection value of setting, then relay can stop
Only heat.Therefore, when above-mentioned running parameter is temperature, pressure cooker also includes the temperature detector for being used to obtain pressure cooker internal temperature
Part, when the temperature that temperature sensing device is collected is less than the second predetermined threshold, (second predetermined threshold can be according to actual conditions spirit
Adjustment living), then now judge that pressure cooker need not be vented, controller control stopping means adhesive pressure limiting valve, in temperature sensing device
When the temperature collected is more than or equal to the second predetermined threshold, then now judge that pressure cooker needs exhaust, controller control limit
Position device disconnects the adhesive with the pressure limiting valve.
For the electric pressure cooking saucepan of manual exhaust formula, pressure cooker in whole work process without exhaust the need for, treat
User's manual exhaust is just needed after the completion of pressure cooker work.Therefore calutron adhesive pressure limiting valve, work when pressure cooker is started working
Make completions be pressure cooker cook or Baoshang program it is whole run after the completion of lift pressure limiting valve again and can reach protective effect again
Pressure cooker normal procedure is not influenceed.It is worked in pressure cooker for the pressure cooker using solenoid valve control pressure limiting valve exhausting
The phenomenon being repeatedly vented is had in journey, it is therefore desirable to which controller needs first to disconnect calutron before electromagnetism valve events are judged, makes limit
Pressure valve energy normal exhaust.The idiographic flow step of pressure limiting valve fault-operation protection is as shown in Figure 2.
The most important effect of pressure limiting valve is last pipe protection of pressure cooker overvoltage, when pressure switch and temperature-sensitive bag lose
During effect, and high pressure when by chance relay is always maintained at adhesive continuous heating then in pot can jack-up pressure limiting valve exhausting, to ensure
Pressure cooker will not explode because of overvoltage.Therefore controller will strictly set the adhesive condition of calutron, can both ensure
Pressure limiting valve will not easily be stirred by children, and ensuring that can be vented when pressure cooker controller fails by pressure jack-up.Therefore, exist
In one alternative embodiment, in addition to for obtaining the pressure between stopping means and pressure limiting valve, controller is sentenced according to the pressure
Disconnected adhesive degree between stopping means and pressure limiting valve, thus controller can strict setting electric current size, size of current can be with
Calculated according to specific calutron parameter, electric current is bigger for calutron, and the suction-combining force is bigger, the smaller adhesive of electric current
Power is smaller, it is ensured that adhesive stress can not be excessive, it is to avoid exploded because extreme case pressure cooker can not be vented.
It must detect that pressure limiting valve position correctly just can normally be transported through calutron when user wants to make pressure cooker bring into operation
OK, therefore, in one alternate embodiment, it can detect whether pressure limiting valve is correctly installed with calutron, specifically, control
Device judges the adhesive degree between stopping means and pressure limiting valve according to the pressure between stopping means and pressure limiting valve, so as to right
Whether pressure limiting valve position judges extremely, when pressure cooker is just started working, controller judge stopping means and pressure limiting valve it
Between incomplete adhesive, illustrate pressure limiting valve malposition, now generate alarm signal, and the alarm signal of generation is sent to report
Alert device is alarmed, and points out user that pressure limiting valve is placed into correct position, specifically, the alarm can be that buzzer also may be used
To be display etc..Pressure limiting valve position judgment idiographic flow step is as shown in Figure 3.
In summary, the pressure cooker security that provides of the present invention is improved, will not be because in pressure cooker running
Cause to scald for the maloperation of user.Secondly it can also sentence to whether position of the pressure limiting valve when pressure cooker brings into operation correctly makes
It is disconnected.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of change or
Change.There is no necessity and possibility to exhaust all the enbodiments.And the obvious change thus extended out or
Among changing still in the protection domain of the invention.
Claims (8)
1. a kind of pressure cooker, including lid, the blast pipe being arranged on the lid, pressure limiting valve, wherein, the pressure limiting valve is arranged
The blast pipe exhaust ports and for being sealed to the exhaust outlet or depressurization, it is characterised in that the pressure
Power pot also includes：
Stopping means, for pressure limiting valve described in adhesive or disconnection and the adhesive of the pressure limiting valve；
Controller, pressure limiting valve or disconnection described in stopping means adhesive according to the pressure cooker current operating parameter control
With the adhesive of the pressure limiting valve.
2. pressure cooker according to claim 1, it is characterised in that the stopping means is calutron, the electromagnetic installing
Install the lower section for being placed in the pressure limiting valve.
3. pressure cooker according to claim 1, it is characterised in that the running parameter includes air pressure and/or temperature；It is described
Pressure cooker also includes：
Baroceptor, for obtaining the air pressure inside the pressure cooker；And/or,
Temperature sensing device, for obtaining the temperature inside the pressure cooker.
4. pressure cooker according to claim 3, it is characterised in that the controller is additionally operable to obtain from the baroceptor
The air pressure is taken, when the air pressure is less than the first predetermined threshold, pressure limiting valve described in the stopping means adhesive is controlled, described
When air pressure is more than or equal to first predetermined threshold, the stopping means is controlled to disconnect the adhesive with the pressure limiting valve；Or
Person, when the temperature is less than the second predetermined threshold, pressure limiting valve described in the control stopping means adhesive is more than in the temperature
Or during equal to second predetermined threshold, control the stopping means to disconnect the adhesive with the pressure limiting valve.
5. pressure cooker according to claim 1, it is characterised in that in the pressure cooker be the pressure cooker of manual exhaust formula
In the case of, when the running parameter indicates to have completed work, the controller be used to controlling the stopping means disconnect with it is described
The adhesive of pressure limiting valve.
6. according to any described pressure cooker in claim 1 to 5, it is characterised in that in the pressure cooker be to utilize magnetic valve
When controlling the pressure cooker of pressure limiting valve exhausting, the controller is used for before magnetic valve startup, controls the stopping means
Disconnect the adhesive with the pressure limiting valve.
7. pressure cooker according to claim 1, it is characterised in that also include：
Pressure sensor, for obtaining the pressure between the stopping means and the pressure limiting valve；The controller is additionally operable to root
The adhesive degree between the stopping means and the pressure limiting valve is judged according to the pressure.
8. pressure cooker according to claim 7, it is characterised in that also include：
Alarm, for receiving alarm signal from the controller, alert process is carried out according to the alarm signal；Wherein, institute
State controller and generate the alarm signal during not complete adhesive between the stopping means and the pressure limiting valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710352593.1A CN107048993B (en) | 2017-05-18 | 2017-05-18 | Pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710352593.1A CN107048993B (en) | 2017-05-18 | 2017-05-18 | Pressure cooker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107048993A true CN107048993A (en) | 2017-08-18 |
| CN107048993B CN107048993B (en) | 2020-07-17 |
Family
ID=59610149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710352593.1A Active CN107048993B (en) | 2017-05-18 | 2017-05-18 | Pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107048993B (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670151A (en) * | 2018-05-23 | 2018-10-19 | 佛山市顺德区美的洗涤电器制造有限公司 | Air pressure control method, device and the readable storage medium storing program for executing of drawer dishwasher |
| US10390656B2 (en) | 2017-08-09 | 2019-08-27 | Sharkninja Operating Llc | Cooking device and components thereof |
| CN110432765A (en) * | 2019-09-05 | 2019-11-12 | 珠海格力电器股份有限公司 | Electric cooker and working pressure control method and system thereof |
| CN110477744A (en) * | 2019-08-27 | 2019-11-22 | 九阳股份有限公司 | Failure protection method, electric heating class pressure means and the storage medium of pressure switch |
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