CN108534874A - A kind of weighing device, weighing method and electric cooker - Google Patents
A kind of weighing device, weighing method and electric cooker Download PDFInfo
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- CN108534874A CN108534874A CN201710116819.8A CN201710116819A CN108534874A CN 108534874 A CN108534874 A CN 108534874A CN 201710116819 A CN201710116819 A CN 201710116819A CN 108534874 A CN108534874 A CN 108534874A
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- 238000005303 weighing Methods 0.000 title claims abstract description 62
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000006243 chemical reaction Methods 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 23
- 230000008859 change Effects 0.000 claims abstract description 12
- 239000000696 magnetic material Substances 0.000 claims abstract description 9
- 230000035699 permeability Effects 0.000 claims abstract description 8
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000005489 elastic deformation Effects 0.000 claims abstract description 4
- 241000209094 Oryza Species 0.000 claims description 63
- 235000007164 Oryza sativa Nutrition 0.000 claims description 63
- 235000009566 rice Nutrition 0.000 claims description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 7
- 238000002474 experimental method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 230000006698 induction Effects 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 239000003381 stabilizer Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 235000012054 meals Nutrition 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 210000001364 upper extremity Anatomy 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000009246 food effect Effects 0.000 description 1
- 235000021471 food effect Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G7/00—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups
- G01G7/02—Weighing apparatus wherein the balancing is effected by magnetic, electromagnetic, or electrostatic action, or by means not provided for in the preceding groups by electromagnetic action
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/52—Weighing apparatus combined with other objects, e.g. furniture
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The present invention relates to field of household appliances, a kind of weighing device, weighing method and electric cooker are disclosed.Weighing device (400) includes carrier module (410), and using permeability magnetic material, object is weighed for carrying；Coil panel component (420), is set to the lower section of carrier module, and when coil panel component (420) is in energized state, eddy current effect occurs in carrier module (410)；Elastic parts (430), itself and carrier module (410) Elastic Contact, the distance of reaction of carrier module (410) and coil panel component (420) changes with the change of the amount of elastic deformation of elastic parts (430)；Processing module (440), for when coil panel component (420) is in energized state, determining the target weight for being weighed object；Output module (450), for exporting prompt message according to target weight.Electric cooker includes weighing device (400), and electric cooker is not in the case where increasing hardware complexity, it may be convenient to weigh to meter Jin Hang.
Description
Technical field
The present invention relates to field of household appliances, and in particular, to a kind of weighing device, weighing method and electric cooker.
Background technology
With the development of technology and social progress, more and more household electrical appliance enter people’s lives, greatly just
Profit and enrich people’s lives.
Electric cooker is a kind of very useful kitchen household electrical appliance, can go out more delicious rice by its people with boiling
Meal.Self-weighing electric cooker be it is a kind of at present on the market by the intelligent electric cooker of consumers, can by self-weighing function
Accurately to perceive the weight of rice in cookware, so can help user prepare grasp rice number and next the addition water
Amount.
Existing self-weighing electric cooker determines the weight of rice mostly by the way that pressure sensor is arranged in electric cooker.
Although this implementation principle is simple, the parts of electric cooker are the increase in, hardware cost is not only increased, it is also possible to be led
Send a telegraph the increase of rice cooker failure rate.
Invention content
The object of the present invention is to provide a kind of weighing device, weighing method and electric cooker, which is not increasing hardware
In the case of cost, it may be convenient to weigh to meter Jin Hang.
To achieve the goals above, the present invention provides a kind of weighing device, and described device includes：
Carrier module uses permeability magnetic material, and object is weighed for carrying；
Coil panel component is set to the lower section of the carrier module, when the coil panel component is in energized state,
There is eddy current effect in the carrier module；
Elastic parts, with the carrier module Elastic Contact, the induction of the carrier module and the coil panel component
Distance changes with the change of the amount of elastic deformation of the elastic parts；
Processing module, for when the coil panel component is in energized state, according to the distance of reaction or described
The electrical parameter of coil panel component, determine described in be weighed the target weight of object；
Output module, for exporting prompt message according to the target weight.
Preferably, the processing module includes displacement sensor, and institute's displacement sensors are for determining the distance of reaction.
Preferably, the processing module includes detection circuit, for determining the electrical parameter.
Preferably, the electrical parameter includes the resistance and/or inductance of the coil panel component.
Preferably, the processing module further includes signal amplification circuit, for amplifying the electrical parameter.
Preferably, there is the first correspondence between the distance of reaction and the target weight；Or, the electrical parameter and
There is the second correspondence between the target weight.
Preferably, the weight that the output module is used to prompt user to need addition water according to the target weight, it is described
Target weight is the weight of rice.
The present invention also provides a kind of electric cooker, the electric cooker includes the weighing device.
Preferably, the electric cooker further includes supporting rack, and support frame as described above is used to support the carrier module, the elasticity
Component is arranged between the support component and the carrier module, wherein the carrier module is cookware.
Preferably, fitting groove is provided on support frame as described above, the elastic parts is arranged in the fitting groove, and passes through
Supporting block and the cookware Elastic Contact.
Preferably, the supporting block is arranged in annular shape around the cookware；Alternatively, the supporting block is multiple
Arc-shaped is disposed in an evenly spaced relation in around the cookware.
Preferably, support frame as described above is arranged in the bottom of the cookware, and integrally disposed with the coil panel component.
The present invention also provides a kind of weighing method using the weighing device, the method includes：
It is weighed object in response to the carrying of shown carrier module, determines the electrical parameter of the coil panel component；
According to the electrical parameter, the target weight of object is weighed described in determination.
Preferably, described according to the electrical parameter, determine described in be weighed the target weight of object and include：
The distance of reaction that the carrier module and the coil panel component are determined according to the electrical parameter, according to the induction
Distance determines the target weight.
Preferably, the electrical parameter includes the resistance and/or inductance of the coil panel component.
Preferably, the method further includes：
User is prompted to need the weight of addition water according to the target weight, the target weight is the weight of rice.
The present invention also provides a kind of weighing method using the weighing device, the method includes：
It is weighed object in response to the carrying of shown carrier module, determines the sense of the carrier module and the coil panel component
It should distance；
According to the distance of reaction, the target weight of object is weighed described in determination.
Preferably, the method further includes：
User is prompted to need the weight of addition water according to the target weight, the target weight is the weight of rice.
Through the above technical solutions, the weighing device can be determined according to distance of reaction or electrical parameter described in be weighed pair
The target weight of elephant.The electric cooker includes that the weighing device can in the case where not increasing the hardware cost of electric cooker
It is accurately measured with the weight to rice in pot.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is to be used to provide further understanding of the present invention, an and part for constitution instruction, with following tool
Body embodiment is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of explosive view of the electric cooker of specific implementation mode of the present invention；
Fig. 2 is partial enlarged views of the Fig. 1 at A；
Fig. 3 is partial enlarged views of the Fig. 1 at B；
Fig. 4 is the sectional view of the electric cooker of Fig. 1 illustrated embodiments；
Fig. 5 is the enlarged diagram in the regions C in Fig. 4；
Fig. 6 is the sectional view of the electric cooker of another specific implementation mode of the invention；
Fig. 7 is the modular structure schematic diagram of weighing device described in a kind of specific implementation mode of the present invention；
Fig. 8 is the flow chart of weighing method described in a kind of specific implementation mode of the present invention；
Fig. 9 is the flow chart of weighing method described in another specific implementation mode of the present invention.
Reference sign
1：Upper cover； 2：Supporting rack；
21：Cookware； 22：Supporting block；
221：Stabilizer blade； 23：Spring；
24：Jacket； 241：Fitting groove；
25：Coil panel； 400：Weighing device；
410：Carrier module； 420：Coil panel component；
430：Elastic parts； 440：Processing module.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched
The specific implementation mode stated is merely to illustrate and explain the present invention, and is not intended to restrict the invention.
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " typically refers to
Upper and lower, left and right shown in refer to the attached drawing；" inside and outside " refers to the inside and outside of the profile relative to each component itself.
Electromagnetic heating technique is widely used in the small household appliances such as electric cooker, electromagnetic oven field.Its realization principle approximately as：
Coil panel is arranged in the bottom of pot body, and pot body keeps certain distance with coil panel, after coil panel connects alternating current, can form alternation
The bottom in magnetic field, pot body generates eddy current effect under action of alternating magnetic field, and the heat that eddy current effect generates plays heating food
Effect.Inventor has found in the course of the research, and the change of the distance between coil panel and pot body can lead to resistance, the electricity of coil panel
The electrical parameters such as sense change.The application formally realizes the self-weighing function of electric cooker based on the principle.
Fig. 1 is the explosive view for the electric cooker that a kind of specific implementation mode of the present invention provides.As shown in Figure 1, the electricity meal
Pot includes：Upper cover 1, supporting rack 2, cookware 21, supporting block 22, spring 23, jacket 24, coil panel 25.
Wherein, control panel is provided in the upper cover 1, user can control electric cooker by the control panel
System.In some embodiments, the upper cover 1 can be omitted, and be controlled to the electric cooker such as directly through voice input
System.
Support frame as described above 2 is the main part of the electric cooker, is mainly used for supporting the cookware 21, the jacket
24 and the coil panel 25.In addition handle is additionally provided on support frame as described above 2 and with the interface of external power supply etc., since its is non-
Emphasis of the present invention, no longer excessively repeats.
It can be seen that support frame as described above 2 has cavity open upwards, the shape of the cavity and the cookware 21 are substantially
It is identical, it is spherical in semicircle.The coil panel 25 is arranged in the bottom of the cavity, and the jacket 24 is then arranged in the cavity
Periphery, i.e., connected with the cavity wall of the cavity.The jacket 24 is propped up upwards by the supporting block 22 and the spring 23
The cookware 21 is supportted, so that keeping certain distance between the cookware 21 and the coil panel 25.The distance is appreciated that
To be the distance between two curved surfaces, the i.e. corresponding first surface in bottom of cookware 21 and the upper surface corresponding second of coil panel
The distance between curved surface.
The cookware 21 is substantially in that semicircle is spherical, and the edge of upper opening is provided with flange, to obtain the jacket 24
Support.The cookware 21 uses permeability magnetic material, such as metallic iron or clad steel, can also use aluminium alloy or ceramics etc. are non-to lead
Base of the magnetic material as cookware, and in base or substrate surface add permeability magnetic material.Under use state, the cookware 21
Positioned at the cavity inside of support frame as described above 2.
Fig. 2 is the enlarged diagram of a-quadrant in Fig. 1.In one embodiment, the supporting block 22 is substantially in π types, i.e.,
Including superposed support plate, and positioned at the support plate lower part and with the support plate two stabilizer blades 221 connected vertically, it is described
The lower part of stabilizer blade 221 is provided with protrusion to be buckled in inside aftermentioned fitting groove 241.In present embodiment, the spring 23 is
Metal spring, the spring are arranged between described two stabilizer blades 221.
The supporting block 22 is arranged between the jacket 24 and the cookware 21, described for being in direct contact and supporting
Cookware 21.As shown, multiple supporting blocks 22 can be arranged simultaneously, and it is evenly distributed on the circumference of the jacket 24
On, more smoothly to support the cookware 21.
The spring 23 is arranged between the supporting block 22 and the jacket 24, such as can be with as shown in Figure 1, setting
In fitting groove 241 on the jacket 24, end thereof contacts jacket 24, under the support plate of supporting block 22 described in end thereof contacts
Surface.Fig. 3 is the schematic diagram of the fitting groove 241.The quantity of the spring 23 can be with the quantity phase of the supporting block 22
Match.The spring 23 may be replaced by such as rubber pad etc..In addition, Fig. 4 is the section of the electric cooker of Fig. 1 illustrated embodiments
Figure, Fig. 5 is the enlarged diagram in the regions C in Fig. 4.
The electric cooker further includes processing circuit, is not shown in figure.The processing circuit can be such as arranged
Inside the upper cover 1, or it can be arranged in lower part of the coil panel 25 etc..The processing circuit, in the coil
When disk component is in energized state, the weight of rice in the cookware 21 is determined.
In addition, the supporting block 22 can be deformed into annulus, it is arranged around the cookware 21, is specifically placed on
The upper limb of the jacket 24, the flange of the upper contact cookware 21 of the annulus, downside is supported by the spring 23.Or
Person, the supporting block 22 can be multiple convex structures, be disposed in an evenly spaced relation in the upper limb of the jacket 24, the multiple
The flange of the upper contact cookware 21 of convex structure, downside are supported by the spring 23.
In addition, in one embodiment, as shown in fig. 6, the supporting block 22 can also be omitted, the cookware 21 is electric
The main temperature controller of rice cooker bottom supports, and the outside of the cookware 21 is provided with outer pot 26, and the main temperature controller includes spring 23,
It is assemblied in main temperature controller that is the spring 23 is integrated, the spring 23 of the main temperature controller can be made in the gravity of the cookware 21
With lower deformation.
The electric cooker realize the principle of self-weighing approximately as：When the cookware 21 is vacant in the jacket 24
When, due to own wt, spring 23 can be caused to generate the first deformation quantity, accordingly between the cookware 21 and the coil panel 25
With the first distance.When being placed on again in the jacket 24 after rice is added in the cookware 21, since weight increases, meeting
Spring 23 is caused to generate the second deformation quantity, second deformation quantity is more than first deformation quantity, correspondingly, 21 He of the cookware
Can have second distance, the second distance to be less than first distance between the coil panel 25.That is, if will be described
Distance is known as distance of reaction between cookware 21 and the coil panel 25, in the cookware 21 change of the weight of rice can cause described
Distance of reaction changes, and so as to set up the correspondence between the distance of reaction and the weight of rice by experiment, is denoted as
First correspondence.
Further, connect alternating current in the coil panel 25, i.e., it is in running order under when, the cookware 21 is used as institute
The load of coil panel 25 is stated, the electrical parameter of the coil panel 25 can be influenced.Specifically, when the distance of reaction changes, then
The electrical parameter of the coil panel 25 also can accordingly change.So as to further establish the distance of reaction and described by experiment
Third correspondence between electrical parameter.According to above-mentioned first correspondence and third correspondence, the weight of rice can be derived
The second correspondence between amount and the electrical parameter, of courses, what second correspondence can also be measured by experiment
Mode obtains.Second correspondence can be such as stored in the chip of electric cooker in tabular form, to when in cookware
After being put into rice, the processing circuit of electric cooker obtains the electrical parameter of the coil panel 25 by such as detection circuit, then inquires institute
State table, you can obtain the weight of current rice.Wherein, the electrical parameter can be the inductance or resistance of the coil panel 25.
Illustrated based on above-mentioned principle, it will be appreciated by those skilled in the art that in the above embodiment, support frame as described above 2 and outer
Clamshell 24 can also by the electric cooker carry out deformation design to omit, than spring 23 as will be described design bigger, from
And the table top of the lower end in contact such as desk of the spring 23, upper end directly supports the cookware 21.As long as that is, can
Ensure that there is a certain distance between the cookware 21 and the coil panel 25, and with the change of rice amount in cookware 21, institute
State the corresponding change of distance.
In one embodiment, inventor by experiment measure the coil panel 25 inductance and cookware 21 between rice amount
Correspondence it is as shown in Table 1 below.Wherein, the unit of inductance is μ H, and rice amount is reacted by the cup number of rice.Experiment condition is big
It causes as follows：Temperature is room temperature, and air pressure is standard atmospheric pressure, humidity 50%, 34 circle of coil panel；The material of cookware is clad steel
Plate, weight 1275g；Elastic parts uses 4 metal material springs, coefficient of elasticity 1.8N/mm；When no plus rice in cookware
When, the initial distance of cookware bottom and coil panel is 12mm；The capacity of measuring cup is 150 grams.Such as when 1 glass of rice of addition in cookware 21
When, the inductance of coil panel 25 is 75.5≤Ls ＜ 76；When 5 glasss of rice is added in cookware 21, the inductance of coil panel 25 is 73.5≤
Ls ＜ 74.It will be appreciated by those skilled in the art that according to the correspondence of table 1, when detecting the inductance value of coil panel 25, you can meter
The cup number of rice in cookware 21 is calculated, and then according to the weight of one glass of rice, you can obtain the weight of rice.Such as, it is assumed that one glass of rice
Weight is 150 grams, when the inductance for the coil panel 25 that detection obtains is 74.3, can be determined in cookware 21 and be added by inquiry table 1
The weight for having entered 4 glasss of rice, and then can having obtained rice is 600 grams.It of courses, the rice amount of secondary series can also directly pass through in table 1
The weight reaction of rice.Only, under normal circumstances, it is only necessary to calculate and be added to several glasss of rice that user can be prompted to be added is corresponding
Water, and without the accurate weight for calculating rice.So for the use habit of user, the cup number of rice is obtained sometimes
Weight than obtaining rice is more practical.
The correspondence of table 1 coil panel inductance Ls and rice amount G
In another embodiment, inventor measures the resistance of the coil panel 25 by experiment and rice in cookware 21 measures it
Between correspondence it is as shown in Table 2 below.Wherein, the unit of resistance is Ω, and rice amount is reacted by the cup number of rice, experiment condition
It is identical as 1 corresponding experiment condition of above-mentioned table.Such as when 1 glass of rice is added in cookware 21, the resistance of coil panel 25 is 2.2≤Rs
＜ 2.3；When 5 glasss of rice is added in cookware 21, the inductance of coil panel 25 is 2.6≤Rs ＜ 2.7.It will be appreciated by those skilled in the art that
According to the correspondence of table 2, when detecting the resistance value of coil panel 25, you can calculate the cup number of rice in cookware 21, in turn
According to the weight of one glass of rice, you can obtain the weight of rice.Such as, it is assumed that the weight of one glass of rice is 150 grams, when the line that detection obtains
When the resistance for enclosing disk 25 is 2.65, it can be determined in cookware by inquiry table 2 and add 4 glasss of rice, and then the weight of rice can be obtained
Amount is 600 grams.It of courses, the rice amount of secondary series can also directly be reacted by the weight of rice in table 1.
The relationship of table 2 resistance Rs and rice amount G
| Resistance Rs (Ω) | Rice amount (cup) |
| 2.2≤Rs ＜ 2.3 | 1 |
| 2.3≤Rs ＜ 2.4 | 2 |
| 2.4≤Rs ＜ 2.5 | 3 |
| 2.5≤Rs ＜ 2.6 | 4 |
| 2.6≤Rs ＜ 2.7 | 5 |
| 2.7≤Rs ＜ 2.8 | 6 |
| 2.8≤Rs ＜ 2.9 | 7 |
| 2.9≤Rs ＜ 3.0 | 8 |
In one embodiment, it is contemplated that the variation range of the electrical parameter is smaller, and the electric cooker may include
Signal amplification circuit, with amplification detection to being the inductance or resistance value, to more accurately calculate the weight of rice.
As it was noted above, having first correspondence between the distance of reaction and the weight of rice.Therefore, another
In embodiment, can by displacement sensor such as is set on the bottom of the cookware 21 or periphery with detect the induction away from
From then by first correspondence, determining the weight of rice.
In addition, it will be appreciated by those skilled in the art that although above-described embodiment merely relates to electric cooker, but above-mentioned weighing principle
It can be applied equally to other field, such as the electromagnetic oven etc. also with electromagnetic heating technique in fact.Therefore, the application is in fact
Further relate to a kind of weighing device.Fig. 7 is the modular structure schematic diagram of weighing device described in the application one embodiment.Such as Fig. 7 institutes
Show, the weighing device 400 may include：
Carrier module 410, uses permeability magnetic material, and object is weighed for carrying；
Coil panel component 420 is set to the lower section of shown carrier module, and energized state is in the coil panel component
When, there is eddy current effect in the carrier module；
Elastic parts 430, with the carrier module Elastic Contact, the sense of the carrier module and the coil panel component
Should distance, change with the change of the amount of elastic deformation of the elastic parts；
Processing module 440 is used for when the coil panel component is in energized state, according to the distance of reaction or institute
The electrical parameter of coil panel component is stated, the target weight of object is weighed described in determination；
Output module 450, for exporting prompt message according to the target weight.
In one embodiment, the processing module includes displacement sensor, and institute's displacement sensors are for determining institute
State distance of reaction.In the present embodiment, the processing module 440 is used for when the coil panel component is in energized state,
According to the target weight for being weighed object described in distance of reaction determination.Specifically, the processing module 440 can basis
First correspondence inquires the corresponding target weight of the distance of reaction.
In another embodiment, the processing module 440 includes detection circuit, for determining the electrical parameter.At this
In embodiment, the processing module 440 is used for when the coil panel component is in energized state, according to the coil panel
The electrical parameter of component, determine described in be weighed the target weight of object.Wherein, the electrical parameter can be the coil panel component
Resistance and/or inductance.
In another embodiment, the output module 450 is used to prompt user to need to add water according to target weight
Weight, the target weight are the weight of rice.
When the electrical parameter is the resistance of the coil panel, the processing module 440 can be similar described by inquiring
The table of table 2, and then inquire the corresponding target weight of the resistance.When the electrical parameter is the inductance of the coil panel,
The processing module 440 can be by inquiring the table of the similar table 1, and then inquires the corresponding target weight of the inductance
Amount.It will be appreciated by those skilled in the art that can also be simultaneously according to the inductance and resistance with the determination target weight.For example, can
To determine first object weight according to the inductance, the second target weight is determined according to the resistance, then by first mesh
The average value of indicated weight amount and second target weight is as final target weight.
In one embodiment, the processing module 440 can also include signal amplification circuit, be joined with amplifying the electricity
Number.By amplifying the electrical parameter, the small variation of electrical parameter can be made to be amplified, to improve the accuracy measured.
Disclosed herein as well is a kind of weighing methods using above-mentioned weighing device.Fig. 8 is the flow of the weighing method
Figure, as shown in figure 8, the weighing method may include：
S510：It is weighed object in response to carrier module carrying, determines the electrical parameter of the coil panel component；
S520：According to the electrical parameter, the target weight of object is weighed described in determination.
The method utilizes the weighing device, it is only necessary to determine the electrical parameter of the coil panel component, you can determine institute
State the target weight for object of weighing.So as to without increasing hardware cost, you can determination is weighed object
Target weight.The step is described in detail below with reference to specific implementation mode.
S510：It is weighed object in response to carrier module carrying, determines the electrical parameter of the coil panel component.
Wherein, the carrier module uses permeability magnetic material, and object is weighed for carrying.It should be noted that only adopting
With permeability magnetic material, eddy current effect could be generated, and then the electrical parameter of the coil panel component could be influenced.When the weighing device
When applied to electric cooker, the pot of the carrier module i.e. electric cooker.The electrical parameter can be the resistance of the coil panel
And/or inductance.
S520：According to the electrical parameter, the target weight of object is weighed described in determination.
In one embodiment, the step S520 further comprises：
The distance of reaction that the carrier module and the coil panel component are determined according to the electrical parameter, according to the induction
Distance determines the target weight.
As it was noted above, having the third correspondence, the induction between the electrical parameter and the distance of reaction
There is the first correspondence between distance and the weight of rice.It will be appreciated by those skilled in the art that rice is be weighed object one
Example.Therefore, there is first correspondence between the distance of reaction and the target weight.To based on above-mentioned the
Three correspondences can determine the distance of reaction according to above-mentioned electrical parameter；Based on above-mentioned first correspondence, according to above-mentioned sense
Should distance may further determine that the target weight.
It will be appreciated by those skilled in the art that in conjunction with above-mentioned third correspondence and first correspondence, institute can be obtained
The correspondence between electrical parameter and the target weight is stated, i.e., described second correspondence.Therefore, in another embodiment
In, it can be directly based upon above-mentioned second correspondence, according to the electrical parameter, determine the target weight.
In one embodiment, when the method is applied to electric cooker, the method can also include：
S530：User is prompted to need the weight of addition water according to the target weight, the target weight is the weight of rice.
User is according to above-mentioned prompt message, the weight of determining addition water that can be more convenient, to improve cooking for user
It prepares food experience.
Disclosed herein as well is another weighing methods using above-mentioned weighing device.Fig. 6 is the stream of the weighing method
Cheng Tu, as shown in figure 9, the weighing method may include：
S610：It is weighed object in response to the carrying of shown carrier module, determines the carrier module and the coil panel group
The distance of reaction of part；
S620：According to the distance of reaction, the target weight of object is weighed described in determination.
Wherein, in one embodiment, the distance of reaction can be as mentioned before according to the coil panel component
Electrical parameter determines, that is, is based on the third correspondence, the distance of reaction can be determined according to above-mentioned electrical parameter.
In another embodiment, the distance of reaction can be determined by displacement sensor, institute's displacement sensors
It can be arranged in the bottom of the carrier module or periphery etc..
In one embodiment, the method can also include：
S630：User is prompted to need the weight of addition water according to the target weight, the target weight is the weight of rice.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme of the present invention
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (18)
1. a kind of weighing device, which is characterized in that the weighing device (400) includes：
Carrier module (410), uses permeability magnetic material, and object is weighed for carrying；
Coil panel component (420), the coil panel component (420) is set to the lower section of the carrier module (410), in the line
When circle disk component (420) is in energized state, there is eddy current effect in the carrier module (410)；
Elastic parts (430), the elastic parts (430) and the carrier module (410) Elastic Contact, the carrier module
(410) and the distance of reaction of the coil panel component (420), with the change of the amount of elastic deformation of the elastic parts (430)
Change；
Processing component (440), for when the coil panel component (420) is in energized state, according to the distance of reaction or
The electrical parameter of coil panel component (420) described in person, determine described in be weighed the target weight of object；
Output module (450), for exporting prompt message according to the target weight.
2. weighing device according to claim 1, which is characterized in that the processing component (440) includes displacement sensor,
Institute's displacement sensors are for determining the distance of reaction.
3. weighing device according to claim 1, which is characterized in that the processing component (440) includes detection circuit, is used
In determining the electrical parameter.
4. weighing device according to claim 1, which is characterized in that the electrical parameter includes the coil panel component
(420) resistance and/or inductance.
5. weighing device according to claim 3 or 4, which is characterized in that the processing component (440) further includes that signal is put
Big circuit, for amplifying the electrical parameter.
6. weighing device according to claim 1, which is characterized in that have between the distance of reaction and the target weight
There is the first correspondence；Or, having the second correspondence between the electrical parameter and the target weight.
7. weighing device according to claim 1, which is characterized in that the output module (450) is used for according to the mesh
Mark prompting weight user needs to add the weight of water, and the target weight is the weight of rice.
8. a kind of electric cooker, which is characterized in that the electric cooker includes the dress of weighing described in any one of claim 1 to 7
It sets (400).
9. electric cooker according to claim 8, which is characterized in that the electric cooker further includes supporting rack (2), the support
Frame (2) is used to support the carrier module (410), and the elastic parts (430) is arranged in the support component and the carrying
Between module (410), wherein the carrier module (410) is cookware (21).
10. electric cooker according to claim 9, which is characterized in that fitting groove (241) is provided on support frame as described above (2),
Elastic parts (430) setting contacts in the fitting groove (241), and by supporting block (22) with the cookware (21).
11. electric cooker according to claim 10, which is characterized in that the supporting block (22) is arranged in annular shape in institute
It states around cookware (21)；Or, the supporting block (22) is multiple arc-shapeds, it is disposed in an evenly spaced relation in the week of the cookware (21)
It encloses.
12. electric cooker according to claim 9, which is characterized in that support frame as described above (2) is arranged in the cookware (21)
Bottom, and it is integrally disposed with the coil panel component (420).
13. a kind of weighing method using weighing device described in claim 1, which is characterized in that the method includes：
It is weighed object in response to shown carrier module (410) carrying, determines the electrical parameter of the coil panel component (420)；
According to the electrical parameter, the target weight of object is weighed described in determination.
14. weighing method according to claim 13, which is characterized in that it is described according to the electrical parameter, determine the quilt
The target weight of object of weighing includes：
The distance of reaction that the carrier module (410) and the coil panel component (420) are determined according to the electrical parameter, according to institute
It states distance of reaction and determines the target weight.
15. the weighing method according to claim 13 or 14, which is characterized in that the electrical parameter includes the coil panel group
The resistance and/or inductance of part (420).
16. weighing method according to claim 13, which is characterized in that the method further includes：
User is prompted to need the weight of addition water according to the target weight, the target weight is the weight of rice.
17. a kind of weighing method using weighing device described in claim 1, which is characterized in that the method includes：
It is weighed object in response to shown carrier module (410) carrying, determines the carrier module (410) and the coil panel group
The distance of reaction of part (420)；
According to the distance of reaction, the target weight of object is weighed described in determination.
18. weighing method according to claim 17, which is characterized in that the method further includes：
User is prompted to need the weight of addition water according to the target weight, the target weight is the weight of rice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116819.8A CN108534874A (en) | 2017-03-01 | 2017-03-01 | A kind of weighing device, weighing method and electric cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710116819.8A CN108534874A (en) | 2017-03-01 | 2017-03-01 | A kind of weighing device, weighing method and electric cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108534874A true CN108534874A (en) | 2018-09-14 |
Family
ID=63488525
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710116819.8A Pending CN108534874A (en) | 2017-03-01 | 2017-03-01 | A kind of weighing device, weighing method and electric cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108534874A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068996A (en) * | 2021-03-10 | 2021-07-06 | 华帝股份有限公司 | Mechanical weighing device applied to cooking equipment |
| CN113397394A (en) * | 2021-07-19 | 2021-09-17 | 广东纯米电器科技有限公司 | Material weighing assembly and kitchen cooking device |
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| EP0192771A1 (en) * | 1984-01-05 | 1986-09-03 | Matsushita Electric Industrial Co., Ltd. | Cooker with weight-detecting function |
| JPH0998884A (en) * | 1995-10-06 | 1997-04-15 | Toshiba Corp | Rice cooker |
| CN201005489Y (en) * | 2007-03-06 | 2008-01-16 | 佛山市富士宝电器科技有限公司 | Pressure testing apparatus of the electric pressure cooker |
| CN104349522A (en) * | 2013-07-31 | 2015-02-11 | 美的集团股份有限公司 | Coil panel for heating a cooker and induction cooker with coil panel |
| CN204862572U (en) * | 2015-04-27 | 2015-12-16 | 奔腾电器（上海）有限公司 | Ability automatic weighing's electric rice cooker |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0192771A1 (en) * | 1984-01-05 | 1986-09-03 | Matsushita Electric Industrial Co., Ltd. | Cooker with weight-detecting function |
| JPH0998884A (en) * | 1995-10-06 | 1997-04-15 | Toshiba Corp | Rice cooker |
| CN201005489Y (en) * | 2007-03-06 | 2008-01-16 | 佛山市富士宝电器科技有限公司 | Pressure testing apparatus of the electric pressure cooker |
| CN104349522A (en) * | 2013-07-31 | 2015-02-11 | 美的集团股份有限公司 | Coil panel for heating a cooker and induction cooker with coil panel |
| CN204862572U (en) * | 2015-04-27 | 2015-12-16 | 奔腾电器（上海）有限公司 | Ability automatic weighing's electric rice cooker |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113068996A (en) * | 2021-03-10 | 2021-07-06 | 华帝股份有限公司 | Mechanical weighing device applied to cooking equipment |
| CN113397394A (en) * | 2021-07-19 | 2021-09-17 | 广东纯米电器科技有限公司 | Material weighing assembly and kitchen cooking device |
| CN113397394B (en) * | 2021-07-19 | 2023-12-19 | 纯米科技(上海)股份有限公司 | Material weighing assembly and kitchen cooking device |
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Application publication date: 20180914 |
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