CN106618237B - A kind of pot body identification device and cooker - Google Patents
A kind of pot body identification device and cooker Download PDFInfo
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- CN106618237B CN106618237B CN201611063402.1A CN201611063402A CN106618237B CN 106618237 B CN106618237 B CN 106618237B CN 201611063402 A CN201611063402 A CN 201611063402A CN 106618237 B CN106618237 B CN 106618237B
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- 238000010438 heat treatment Methods 0.000 claims description 157
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 235000010469 Glycine max Nutrition 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000008267 milk Substances 0.000 description 2
- 210000004080 milk Anatomy 0.000 description 2
- 235000013336 milk Nutrition 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 244000273256 Phragmites communis Species 0.000 description 1
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- 229910052734 helium Inorganic materials 0.000 description 1
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Classifications
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- 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
-
- 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
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/04—Machines for domestic use not covered elsewhere, e.g. for grinding, mixing, stirring, kneading, emulsifying, whipping or beating foodstuffs, e.g. power-driven
- A47J43/07—Parts or details, e.g. mixing tools, whipping tools
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of pot body identification device and cookers, comprising: main control chip.Main control chip, for the level identification pot body type according to pot body；Wherein, the height of pot body type and pot body corresponds.Scheme through the embodiment of the present invention, realizes and identifies automatically to pot body, improves the experience sense of user.
Description
Technical field
The present invention relates to cooker designing technique more particularly to a kind of pot body identification devices and cooker.
Background technique
Current cooker, such as soy bean milk making machine, the IH heating especially with multifunctional usage (penetrate pot by the magnetic line of force
Body is heated) soy bean milk making machine, since it is with multiple functions, and different functions can be performed in different types of pot body, therefore
Different pot bodys is needed replacing in the different function of application, if fully relying on user oneself goes identification pot body, it is easy to do
Mistake, and increase the operating procedure of user, reduce user experience；If cooker itself can not identify the class of pot body
Type just cannot achieve corresponding function execution, further influence user experience.
Summary of the invention
To solve the above-mentioned problems, the invention proposes a kind of pot body identification device and cookers, can be automatically to pot
Body is identified, the experience sense of user is improved.
In order to achieve the above object, the invention proposes a kind of pot body identification device and cooker, pot body identification dresses
Setting includes: main control chip.
Main control chip, for the level identification pot body type according to pot body；Wherein, the height of pot body type and pot body is one by one
It is corresponding.
Optionally, pot body identification device further include: pot body position detecting device.
Pot body position detecting device, for detecting the height of pot body.
Pot body position detecting device includes: tongue tube, microswitch or infrared tube.
Tongue tube, microswitch or infrared tube be installed at the handle on the inside of the shell of cooker, bottom or side；
It wherein, further include magnetic devices in pot body when pot body position detecting device includes tongue tube.
Optionally, the cooker where pot body identification device includes pot body and pot body heating system, pot body heating system
It is heated using electromagnetic heating mode；Main control chip is connected with pot body heating system.
Main control chip is also used to determine that pot body is located above pot body heating system according to the heating power of pot body heating system
Height, and according to determining level identification pot body type.
Optionally, system reference voltage V is prestored in main control chip；When the power input voltage Vn of main control chip acquisition is
When reference voltage V, the heating power of pot body heating system is benchmark heating power P.
When the power input voltage of main control chip acquisitionWhen, heating function that pot body heating system is in
Rate are as follows:
Wherein,For the amount of floating benchmark of power input voltage；For the floating of the heating power of pot body heating system
Measure benchmark；N is floating coefficient of discharge, and n is positive integer.
Optionally, main control chip is also used to the heating power P when calculated pot body heating systemnMeet the first relationship
When formula, determine that pot body is standard pot body type.
Main control chip is also used to the heating power P when calculated pot body heating systemnWhen meeting the second relational expression, sentence
Determining the height that pot body is in above pot body heating system is H；Wherein, H is positive number.
Optionally,
First relational expression are as follows:
Second relational expression are as follows:
Optionally,
Main control chip is also used to for H being incremented by since 1, when H is incremented to H1When calculated pot body heating system heating
Power PnWhen meeting the second relational expression, the height for determining that pot body is in above pot body heating system is H1。
Main control chip is also used to be incremented to preset maximum value H as H0When, the heating function of calculated pot body heating system
Rate PnWhen being still unsatisfactory for the second relational expression, the heated current and power input voltage of pot body heating system are resurveyed, and again
Carry out pot body type identification.
Optionally,
Main control chip is also used to the power input voltage of acquisition and calculated heating power and the mapping table phase that prestores
Compare the identification pot body type.
Wherein, power input voltage, heating power and pot body are preserved in the mapping table prestored and is heated apart from pot body is
Mapping relations between the height of system.
Optionally,
Main control chip is also used to detect whether placed pot above pot body heating system before identifying pot body type
Body.
In order to achieve the above object, the invention also provides a kind of cooker, including pot body and pot body heating system, pots
Body heating system is heated using electromagnetic heating mode；Further include: above-mentioned pot body identification device.
Compared with prior art, the embodiment of the present invention proposes a kind of pot body identification device and cooker, which knows
Other device includes: main control chip.Main control chip, for the level identification pot body type according to pot body；Wherein, pot body type and pot
The height of body corresponds.Scheme through the embodiment of the present invention, realizes and identifies automatically to pot body, improves the body of user
Test sense.
Detailed description of the invention
The attached drawing in the embodiment of the present invention is illustrated below, the attached drawing in embodiment be for of the invention into one
Step understands, is used to explain the present invention, does not constitute a limitation on the scope of protection of the present invention together with specification.
Fig. 1 is the first composed structure embodiment block diagram of the pot body identification device of the embodiment of the present invention；
Fig. 2 is the first composed structure embodiment schematic diagram of the pot body identification device of the embodiment of the present invention；
Fig. 3 is the second composed structure embodiment block diagram of the pot body identification device of the embodiment of the present invention；
Fig. 4 is the second composed structure embodiment schematic diagram of the pot body identification device of the embodiment of the present invention；
Fig. 5 is that the tongue tube first of the embodiment of the present invention installs embodiment schematic diagram；
Fig. 6 is that the tongue tube second of the embodiment of the present invention installs embodiment schematic diagram；
Fig. 7 is that the microswitch of the embodiment of the present invention installs embodiment schematic diagram；
Fig. 8 is that the infrared tube of the embodiment of the present invention installs embodiment schematic diagram.
Specific embodiment
For the ease of the understanding of those skilled in the art, the invention will be further described with reference to the accompanying drawing, not
It can be used to limit the scope of the invention.
In order to achieve the above object, the invention proposes a kind of pot body identification devices 1, and as shown in Figure 1 and Figure 2, which knows
Other device includes: main control chip 11.
Main control chip 11, for the level identification pot body type according to pot body；Wherein, the height one of pot body type and pot body
One is corresponding.The height of the pot body refers to the height that pot body is located above pot body heating system.
In embodiments of the present invention, for using different functions in order to facilitate user with multi-functional cooker,
Automatic identification can be carried out to the pot body placed in cooker, to remind what user should use for the pot body identified
Kind function.In order to reach this purpose, main control chip 11 can be added in cooker, main control chip 11 can pass through culinary art
The level identification for the pot body placed in device goes out pot body type.Specifically, main control chip 11 is according to the pot body stored in chip
The height corresponding relationship of type and pot body identifies pot body type.It should be noted that the embodiment of the present invention needs
It presets the height one-to-one relationship of pot body type and pot body and is stored in main control chip 11.In addition, the main control chip
11 can use any programmable control chip, for example, Digital Signal Processing DSP, on-site programmable gate array FPGA etc., and
With no restrictions for its concrete model.And the specific implementation form of the main control chip 11 can be existing collection in cooker
At control chip, control unit or control device, it is also possible to the integrated control chip in addition added, control unit or control dress
It sets, herein with no restrictions for the specific implementation form of the main control chip 11, any pot that can be realized the embodiment of the present invention
Control chip, control unit or the control device of body identifying schemes are within the protection scope of the embodiment of the present invention.
In embodiments of the present invention, before main control chip 11 is according to the level identification pot body type of pot body, it is first right to need
The height of pot body is identified, can specifically be realized by following two schemes.
Scheme one detects pot body height by preset pot body position detecting device
Optionally, pot body identification device further include: pot body position detecting device 12.As shown in Figure 3, Figure 4.
Pot body position detecting device 12, for detecting the height of pot body.
In embodiments of the present invention, pot body position detecting device 12 can be set on cooker 3 in advance, for its tool
Position is arranged with no restrictions in body, can concrete type according to used pot body position detecting device 12 and different applications
Position is arranged in scene self-defining.
Optionally, pot body position detecting device 12 may include: tongue tube 121, microswitch 122 or infrared tube 123.
Tongue tube 121, microswitch 122 or infrared tube 123 are installed on the inside of the shell of cooker 3 (or to hold
Receive pot body 31 cavity 32 inner wall) handle at, bottom or side；Wherein, when pot body position detecting device 12 includes dry spring
It further include magnetic devices 121-1 in pot body 31 when pipe 121.
In embodiments of the present invention, pot body position detecting device 12 may include: tongue tube 121.Tongue tube (Reed
Switch reed capsule or magnetic reed switch) are also referred to as, is a kind of special key of magnetosensitive, be dry-reed relay and close to switch it is main
Component.It is that tongue tube is usually made into there are two soft magnetic material, without magnetic when the metal spring leaf contact that disconnects, there are also thirds for some
Reed as normally-closed contact.These reed contacts are encapsulated in the glass tube filled with inert gas (such as nitrogen, helium) or vacuum
In, the overlapping of the leaf end that is encapsulated in parallel in glass tube, and there are certain interval or contact with each other with constitute the normally opened of switch or
Normally-closed contact.The principle of tongue tube work is very simple, and overlapped magnetizable reed is sealed in one at two panels endpoint
In glass tube, distance only about several microns that two reeds separate are filled with the inert gas of high-purity in glass tube, are not yet grasping
When making, two panels reed simultaneously makes two panels reed endpoint location nearby generate different polarity not in contact with, additional magnetic field, as a result two panels
The reed of opposed polarity will attract each other and be closed.Technology can be made into the changeover module of very reduced size volume according to this, and cut
Throw-over degree is very fast and has very excellent reliability.The orientation and direction of permanent magnet determine when and how many times are opened
It closes and opens and closes.
It in embodiments of the present invention, can be in cooker 3 when pot body position detecting device 12 is using tongue tube 121
Receiving pot body 31 cavity 32 inner wall on multiple tongue tubes 121 are set from top to bottom, and on the outer wall of pot body 31, example
Such as the lower part of outer wall, a magnetic devices 121-1 (such as magnet) is installed, as shown in Figure 5.When which magnetic devices 121-1 is located at
When the position at one 121 place of tongue tube, position corresponding to the tongue tube 121 can be determined as pot body 31 by main control chip 11
Highly.In another embodiment, multiple tongue tubes can also be set from top to bottom on the outer wall of the pot body 31 of cooker 3
121, and a magnetic devices 121-1 is arranged in (at such as handle or middle and upper part) on the inner wall of cavity 32 for accommodating pot body 31, such as
Shown in Fig. 6.During pot body 31 is placed into the cavity 32 for accommodating pot body 31 from top to bottom, magnetic devices 121-1 can be according to
It is secondary by the tongue tube 121 installed from top to bottom, height can be determined as corresponding to the last one tongue tube 121 by process
The height of pot body 31.Above content is only two specific embodiments of the invention, can also use other in other embodiments
Mounting means, herein for specific installation form and installation number with no restriction.
In embodiments of the present invention, pot body position detecting device 12 can also include: microswitch 122.Microswitch is
With small contact separation and snap-action mechanism, the contact mechanism of switch motion is carried out with defined stroke and defined power.Outside it
There is drive rod in portion, because the contact spacing of its switch is smaller, therefore named microswitch is called sensitive switch.Outer mechanical force passes through
Actuated element (push-piece, button, lever, idler wheel etc.) acts on power on movement reed, when movement reed is displaced to critical point
Snap action is generated, the movable contact and fixed contact quick-make or the disconnection that act reed end are made.When the effect on actuated element
After power is removed, movement reed generates counteragent power, after actuated element reverse stroke reaches the movement critical point of reed, instantaneously
Complete counteragent.The contact spacing of microswitch is small, actuating length is short, small by power, on-off is rapid.
It in embodiments of the present invention, can be in cooker when pot body position detecting device 12 is using microswitch 122
One or more microswitches 122 are set from top to bottom on the inner wall of the cavity 32 of 3 receiving pot body 31, as shown in Figure 7.In pot
During body 31 is placed into the cavity 32 for accommodating pot body 31 from top to bottom, pot body 31 can touch one on the inner wall of cavity 32
The movement reed of a or multiple microswitches 122, can be true by height corresponding to the last one microswitch 122 touched
It is set to the height of pot body 31.Similarly, multiple fine motions can also be arranged from top to bottom on the outer wall of the pot body 31 of cooker 3 to open
122 are closed, during pot body 31 is placed into the cavity 32 for accommodating pot body 31 from top to bottom, accommodates the cavity 32 of pot body 31
Inner wall can touch the movement reed of one or more microswitches 122 on the outer wall of pot body 31, can be last by what is touched
Height corresponding to one microswitch 122 is determined as the height of pot body 31.
In embodiments of the present invention, pot body position detecting device 12 can also include: infrared tube 123.Infrared tube packet
Include infrared transmitting tube and photosensitive receiving tube.Infrared transmitting tube forms illuminator by infrared light-emitting diode square, uses infra-red radiation
PN junction is made in high-efficient material (common GaAs), and forward bias excites infrared light, spectral power to PN junction Injection Current
It is distributed as 830~950nm of central wavelength.LED (Light Emitting Diode light emitting diode), performance is positive temperature system
Number, electric current is bigger, and temperature is higher, and temperature more high current is bigger, and the power of LED infrared lamp is related with size of current, but forward current
When more than maximum rating, infrared lamp transmission power declines instead.Photosensitive receiving tube is the PN junction with photosensitive feature, is belonged to
In photodiode, backward voltage need to be added when there is unilateral conduction, therefore working.When no light, there is the saturation of very little anti-
To leakage current (dark current).Photosensitive tube is not turned at this time.When illumination, saturation reverse leakage current increases at once, forms photoelectric current,
It increases with the variation of incident intensity in a certain range.
It in embodiments of the present invention, can be in cooker when pot body position detecting device 12 is using infrared tube 123
One or more infrared tubes 123, and infrared tube are set from top to bottom on the inner wall of the cavity 32 of 3 receiving pot body 31
Infrared transmitting tube 123-1 and photosensitive receiving tube 123-2 in 123 need opposite in same level on the inner wall of cavity 32
Position is installed, so that when no object blocks, photosensitive receiving tube 123-2 can directly receive infrared transmitting tube 123-1
The infrared light of transmitting, as shown in Figure 8.During pot body 31 is placed into the cavity 32 for accommodating pot body 31 from top to bottom, pot
Body 31 can form shield between infrared transmitting tube 123-1 and photosensitive receiving tube 123-2, to stop photosensitive receiving tube 123-
2 receive the infrared light of infrared transmitting tube 123-1 transmitting, then photosensitive receiving tube 123-2 is not turned on.Pass through photosensitive receiving tube 123-2
Conducting can detecte out position where pot body reaches which infrared tube 123 with main control chip 11 is not turned on, can be with
Height corresponding to the last one infrared tube 123 that pot body 31 is blocked is determined as to the height of pot body 31.
Above content is to detect pot body by preset pot body position detecting device in the embodiment of the present invention
The example scheme of height, it should be noted that above content is only multiple specific embodiments of the embodiment of the present invention, at it
Pot body height detection can also be carried out using other pot body position detecting devices in its embodiment, the present embodiment is for pot body position
Concrete type, specific installation site and the specific installation number for setting detection device with no restrictions, can be answered according to different
With scene self-defining.
Scheme two detects pot body height by the heating power of pot body heating system
Optionally, the cooker 3 where pot body identification device 1 includes pot body 31 and pot body heating system 33, and pot body adds
Hot systems 33 are heated using electromagnetic heating mode；Main control chip 11 is connected with pot body heating system 33.
Main control chip 11 is also used to determine that pot body 31 is located at pot body heating system according to the heating power of pot body heating system 33
The height of 33 top of system, and according to determining level identification pot body type.
In embodiments of the present invention, pot body height is detected in order to realize through the heating power of pot body heating system 33,
Pair between the height of the heating power and pot body 31 of pot body heating system 33 apart from pot body heating system 33 can be pre-defined
It should be related to.For example, pot body 31 raises 1mm with a distance from pot body heating system 33, the heating power of system will be reducedIt is (default
Constant), cooker 3 is designed as every set pot body 31 and needs distance when in use according to the mating more set pot bodys 31 of functional requirement
The distance of pot body heating system 33 is different, and the heating power of the pot body of different height is placed under identical voltage conditions accordingly not
Together；Its different heating power of the input voltage of pot body heating system 33 is also different, and pot body 31 is placed under the conditions of identical height, can
To be set as voltage variety(specific value comprehensively considers to set according to the precision of system identification voltage and judgement demand,
Such as it can takeIt is one grade for 10V, i.e., every 10V) and power variation(preset constant) is corresponding, i.e. the every variation of voltageThen changed powerIt should be noted that forWithSpecific value with no restrictions, can be according to different
Application scenarios self-defining.
It should be noted that the embodiment of the present invention can be applied to the culinary art heated using electromagnetic heating mode
Device, but not limited to this, and any cooker that can implement the embodiment of the present invention or other device armies are in this hair
Within the protection scope of bright embodiment.
In embodiments of the present invention, based on the above principles, main control chip 11 can be pot body 31 in pot body heating system 33
During heating, the heated current and power input voltage of pot body heating system 33 are acquired in real time, and according to the heating of acquisition
Electric current and power input voltage calculate heating power.
Optionally, main control chip 11, be also used to before identifying pot body type detect pot body heating system 33 above whether
Pot body 31 is placed.
Before calculating heating power, in 3 system electrification initial time of cooker, need first to judge on cooker 3
Whether pot body has been placed.It here, can be by preset pot body for whether having placed the judgement of pot body on cooker 3
Whether judging result generation is used to indicate 33 top of pot body heating system to judge by detection unit or pot body detection device
Pot body signal through placing pot body 31 is sent to main control chip 11；It can also be sentenced according to the preset detection signal of main control chip 11
It is disconnected, i.e., 33 top of pot body heating system is judged according to the different form (for example, high level or low level) of detection signal whether
Pot body 31 is placed.If main control chip 11 determines that pot body 31, pot body identification have been placed in 33 top of pot body heating system
Device 1 enters pot body identification state；If main control chip 11 determines pot body heating system, 33 top does not place pot body 31, pot also
Body identification device 1 enters wait state.
In embodiments of the present invention, it is determined in main control chip 11 and has placed pot body 31, pot above pot body heating system 33
Body identification device 1 enter pot body identification state after, acquisition heated current and power input voltage come calculate heating power it
Before, it is also necessary to first determine whether current power input voltage is stable, culinary art is filled to avoid unstable power input voltage
3 are set to damage.
Optionally, main control chip 11 is also used to when pot body signal designation pot body 31 has been placed, acquisition power input electricity
Pressure, and power input voltage is judged whether in preset normal voltage range, when power input voltage is in preset normal electricity
When pressing in range, control pot body heating system 33 starts as the heating of pot body 31；When power input voltage is not in preset normal electricity
When pressing in range, alert.
In embodiments of the present invention, the preset normal voltage range can according to different application scenarios self-definings,
With no restrictions for its specific value.The warning message can use any one or more following form: voice, music, ring
Flute, flash of light, vibration etc., here with no restrictions for the concrete form of warning message.
In embodiments of the present invention, when power input voltage is in preset normal voltage range, 11 meeting of main control chip
Output drive signal is controlled to open electromagnetic heating switching device, so that controlling electromagnetic heating system 33 starts heating with full power.
Main control chip 11 acquires the heated current I of pot body heating system 33 in real timenWith power input voltage Vn, and add in control pot body
Hot systems 33 are after pot body 31 heats preset time span, and control pot body heating system 33 stops being that pot body 31 heats；Into
Enter pot body type and judges the stage.It can specifically be realized by following scheme.
Optionally, system reference voltage V is prestored in main control chip 11；When the power input voltage that main control chip 11 acquires
When Vn is benchmark voltage V, the heating power of pot body heating system 33 is benchmark heating power P.
When the power input voltage that main control chip 11 acquiresWhen, what pot body heating system 33 was in adds
Thermal power are as follows:
Wherein,For the amount of floating benchmark of power input voltage；For pot body heating system 33 heating power it is floating
Momentum benchmark；N is floating coefficient of discharge, and n is positive integer.
In embodiments of the present invention, main control chip 11 can be according to the heated current I acquired in real timenWith power input voltage Vn
Calculate heating power Pn=Vn×In, and by the power input voltage V of acquisitionnIt is compared with system reference voltage V；It is acquiring
Voltage isWhen, correspondingly calculate power input voltage VnCorresponding heating power is
In embodiments of the present invention, different power input voltage V is calculated through the above schemenUnder heating power Pn
Afterwards, pot body height and pot body type corresponding to current heating power can be judged according to following proposal.
Optionally, main control chip 11 are also used to the heating power P when calculated pot body heating system 33nMeet first
When relational expression, determine that pot body is standard pot body type.
Optionally, the first relational expression are as follows:
In embodiments of the present invention, a kind of general standard pot body type can be preset, when pot body heating system 33
Heating power stablize the power bracket expressed by the first above-mentioned relational expression in when, main control chip 11 then can be determined that currently
Pot body is standard pot body type, and the judgment result displays are come out or remind user by voice, the various modes of flash lamp.
Optionally, main control chip 11 are also used to the heating power P when calculated pot body heating system 33nMeet second
When relational expression, the height for determining that pot body 31 is in 33 top of pot body heating system is H；Wherein, H is positive number.
Optionally, the second relational expression are as follows:
In embodiments of the present invention, when the heating power of pot body heating system 33 is unsatisfactory for the first above-mentioned relational expression institute table
When the power bracket reached, it can calculate whether the heating power meets power bracket expressed by the second relational expression.Second pass
Be power bracket expressed by formula with pot body 31 apart from the highly relevant of pot body heating system 33, therefore, according to 31 distance of pot body
The height of pot body heating system 33 is different, and the second relational expression may include multiple power brackets, and different power brackets pair
Answer different pot body height.It therefore, then correspondingly can be true when detecting that current heating power is in a certain power bracket
Which height that current pot body 31 is in 33 top of pot body heating system made.
Optionally, main control chip 11 are also used to for H being incremented by since 1, when H is incremented to H1When the heating of calculated pot body
The heating power P of system 33nWhen meeting the second relational expression, the height for determining that pot body 31 is in 33 top of pot body heating system is H1。
In embodiments of the present invention, during the current heating system to pot body heating system 33 is tested, the
H in two relational expressions can be incremented by since preset minimum value, which can be true height value, can also
To be the code of different height value, such as 1,2,3,4 or 10,20,30,40 etc..Work as when the value of H is incremented to a certain numerical value
After preceding heating power meets the second relational expression, then pot body height corresponding to current heating power can be determined.In this hair
In bright embodiment, it is illustrated by taking height value code as an example.H can be incremented by by main control chip 11 since 1, when H is incremented to H1
When calculated pot body heating system 33 heating power PnWhen meeting the second relational expression, then it can be determined that pot body 31 is in pot body
The height of 33 top of heating system is H1。
Optionally, main control chip 11 are also used to be incremented to preset maximum value H as H0When, calculated pot body heating system
The heating power P of systemnWhen being still unsatisfactory for the second relational expression, the heated current and power input electricity of pot body heating system are resurveyed
Pressure, and re-start pot body type identification.
In embodiments of the present invention, it is possible that certain transient voltage or electric current are unstable, thus calculated heating
Power is not the heating power of standard, therefore pot body identification device 1 is likely to appear in main control chip 11 and H value is increased to maximum
Also the power bracket met less than current heating power is matched when value, for the situation, can resurvey pot body heating system
The heated current and power input voltage of system 33, and re-start pot body type identification.
Optionally, main control chip 11 are also used to still cannot recognize that pot body class after recycling pot body type identification n times
When type, the warning message that can not identify pot body type is issued；Wherein, N is positive integer.
In embodiments of the present invention, if still can not identify pot body height and fruit body type after continuous identification repeatedly,
It may be that current cooker breaks down, the warning message that can not identify pot body type can be issued.Optionally, the alarm signal
Breath can use any one or more following form: voice, music, whistle, flash of light, vibration etc., here for warning message
Concrete form with no restrictions.And it here with no restrictions for the specific value of N, can be according to different application scenarios voluntarily
Definition.
Optionally, main control chip 11, be also used to by the power input voltage of acquisition and calculated heating power with prestore
Mapping table compare and identify pot body type.
Wherein, power input voltage, heating power and pot body are preserved in the mapping table prestored and is heated apart from pot body is
Mapping relations between the height of system.
In embodiments of the present invention, based on the above-mentioned scheme identified by heating power to pot body type, in order to
Avoid carrying out all carrying out one or many comparison and calculating when pot body identification every time, can directly by power input voltage, plus
Relationship between the height of thermal power and pot body apart from pot body heating system is set as mapping table, works the phase in cooker
Between, it can directly be reflected according to preset according to the power input voltage detected or according to calculated heating power
Firing table obtains current pot body type, largely reduces the workload of main control chip 11, less system in-fighting.
Optionally, the mapping between the height of power input voltage, heating power and pot body apart from pot body heating system
Table can be realized using one form of following table.
Table one
Optionally, pot body identification device further include: display module 13.
Display module 13 is connected with main control chip 11, and the pot body type for identifying main control chip is shown.
In embodiments of the present invention, it after main control chip 11 carries out pot body identification to pot body 31, can will identify according to Russia
It is shown on display module 13, so that user is expressly understood that current pot body type.Or it is unsuccessful in fruit body type identification
In the case where show unidentified successful information in time, so that user carries out fault detection in time.In main control chip 11 to pot body
31 carry out pot body type identifications during, can also in real time by power input voltage, heated current, heating power and pot body away from
The information such as the height from pot body heating system are shown, so that user understands the working condition of cooker in real time.
In order to achieve the above object, the invention also provides a kind of cookers 3, including pot body 31 and pot body heating system
System 33, pot body heating system 33 are heated using electromagnetic heating mode；Further include: above-mentioned pot body identification device 1.It needs
Bright, any embodiment in above-mentioned pot body identification device 1 is suitable for the cooker 3 of the embodiment of the present invention, herein
No longer repeat one by one.
So far, by the agency of is over whole essential characteristics of the embodiment of the present invention, it should be noted that above content is only
One or more specific embodiments of the embodiment of the present invention, do not represent the full content of the embodiment of the present invention, in others
Can also be any to be identical with the embodiment of the present invention or similar embodiment using other embodiments in embodiment, and
Any combination of the essential characteristic of the embodiment of the present invention is within the protection scope of the embodiment of the present invention.
Compared with prior art, the present invention includes: main control chip.Main control chip, for the level identification pot according to pot body
Body type；Wherein, the height of pot body type and pot body corresponds.Scheme through the embodiment of the present invention, it is automatic right to realize
Pot body is identified, the experience sense of user is improved.
It should be noted that embodiment described above be merely for convenience of it will be understood by those skilled in the art that, and
It is not used in and limits the scope of the invention, under the premise of not departing from inventive concept of the invention, those skilled in the art couple
Any obvious replacement and improvement that the present invention is made etc. are within the scope of the present invention.
Claims (8)
1. a kind of pot body identification device, which is characterized in that the pot body identification device includes: main control chip；
The main control chip, for the level identification pot body type according to the pot body；Wherein, the pot body type and the pot
The height of body corresponds, and the cooker where the pot body identification device includes pot body and pot body heating system, the pot
Body heating system is heated using electromagnetic heating mode；The main control chip is connected with the pot body heating system；
The main control chip is also used to determine that the pot body is located at the pot body according to the heating power of the pot body heating system
Height above heating system, and the pot body type according to the determining level identification.
2. pot body identification device as described in claim 1, which is characterized in that prestore system benchmark electricity in the main control chip
Press V；When the power input voltage Vn of main control chip acquisition is the reference voltage V, the pot body heating system adds
Thermal power is benchmark heating power P；
As the power input voltage V of main control chip acquisitionnWhen=V ± n × ▽ V, heating that the pot body heating system is in
Power are as follows: Pn=P ± n × ▽ P；
Wherein, ▽ V is the amount of floating benchmark of power input voltage；▽ P is the floating of the heating power of the pot body heating system
Measure benchmark；N is floating coefficient of discharge, and n is positive integer.
3. pot body identification device as claimed in claim 2, which is characterized in that
The main control chip is also used to the heating power P when the calculated pot body heating systemnWhen meeting the first relational expression,
Determine the pot body for standard pot body type；
The main control chip is also used to the heating power P when the calculated pot body heating systemnWhen meeting the second relational expression,
The height for determining that the pot body is in above the pot body heating system is H；Wherein, H is positive number.
4. pot body identification device as claimed in claim 3, which is characterized in that
First relational expression are as follows:
Second relational expression are as follows:
5. pot body identification device as claimed in claim 3, which is characterized in that
The main control chip is also used to for the H being incremented by since 1, when the H is incremented to H1When the calculated pot body add
The heating power P of hot systemsnWhen meeting second relational expression, determine that the pot body is in above the pot body heating system
Height is H1；
The main control chip is also used to be incremented to preset maximum value H as the H0When, the calculated pot body heating system
Heating power PnWhen being still unsatisfactory for second relational expression, the heated current and power supply of the pot body heating system are resurveyed
Input voltage, and re-start pot body type identification.
6. pot body identification device as described in claim 1, which is characterized in that
The main control chip is also used to the power input voltage of acquisition and the calculated heating power and the mapping prestored
Table, which compares, identifies the pot body type；
Wherein, power input voltage, heating power and the pot body are preserved in the mapping table prestored apart from the pot
Mapping relations between the height of body heating system.
7. the pot body identification device as described in claim 1 to 6 any one, which is characterized in that
Whether the main control chip be also used to detect above the pot body heating system before identifying the pot body type
Place the pot body.
8. a kind of cooker, including pot body and pot body heating system, the pot body heating system using electromagnetic heating mode into
Row heating；It is characterized by further comprising: pot body identification device as claimed in any one of claims 1 to 7.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109144139B (en) * | 2017-06-19 | 2020-06-30 | 佛山市顺德区美的电热电器制造有限公司 | Method and device for determining type of pot in pot and pot |
| CN109407169B (en) * | 2017-08-16 | 2022-03-29 | 佛山市顺德区美的电热电器制造有限公司 | Split cooking utensil and identification method thereof |
| CN109393935A (en) * | 2017-08-16 | 2019-03-01 | 佛山市顺德区美的电热电器制造有限公司 | Cooking apparatus, cooking control method and computer installation |
| CN109393938B (en) * | 2017-08-16 | 2020-12-15 | 佛山市顺德区美的电热电器制造有限公司 | Heating platform and control method thereof |
| CN107625409B (en) * | 2017-11-10 | 2023-06-02 | 浙江绍兴苏泊尔生活电器有限公司 | Health preserving kettle and interface display method |
| CN109839972B (en) * | 2017-11-29 | 2021-07-16 | 宁波方太厨具有限公司 | Cooking temperature compensation method for intelligent kitchen range |
| CN108392060B (en) * | 2018-01-22 | 2020-05-19 | 浙江绍兴苏泊尔生活电器有限公司 | Health preserving kettle and kettle body identification method |
| CN110384413B (en) * | 2018-04-20 | 2021-09-21 | 佛山市顺德区美的电热电器制造有限公司 | Split cooking utensil and detection method and detection device thereof |
| CN110859497B (en) * | 2018-08-28 | 2021-08-20 | 佛山市顺德区美的电热电器制造有限公司 | Cooking utensil inner pot detection method and device and cooking utensil |
| CN110840224A (en) * | 2019-11-11 | 2020-02-28 | 上海纯米电子科技有限公司 | Cooking pot and control method thereof |
| CN113842059B (en) * | 2020-11-24 | 2023-04-07 | 杭州九阳小家电有限公司 | Cooking utensil |
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Address after: 310018 No. 760 Yinhai Street, Xiasha Street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: HANGZHOU JIUYANG HOUSEHOLD ELECTRICAL APPLIANCES CO.,LTD. Country or region after: China Address before: 310018, No. 52, No. 22, Poplar Street, Hangzhou economic and Technological Development Zone, Zhejiang Patentee before: HANGZHOU JIUYANG HOUSEHOLD ELECTRICAL APPLIANCES CO.,LTD. Country or region before: China |