CN109619986B - Material bag identification method of food processing machine - Google Patents
Material bag identification method of food processing machine Download PDFInfo
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- CN109619986B CN109619986B CN201811448598.5A CN201811448598A CN109619986B CN 109619986 B CN109619986 B CN 109619986B CN 201811448598 A CN201811448598 A CN 201811448598A CN 109619986 B CN109619986 B CN 109619986B
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- 239000000463 material Substances 0.000 title claims abstract description 169
- 235000013305 food Nutrition 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000012545 processing Methods 0.000 title description 12
- 239000004020 conductor Substances 0.000 claims abstract description 156
- 238000001514 detection method Methods 0.000 claims abstract description 84
- 239000002184 metal Substances 0.000 claims description 53
- 238000012163 sequencing technique Methods 0.000 claims description 3
- 235000011194 food seasoning agent Nutrition 0.000 claims description 2
- 239000000976 ink Substances 0.000 description 37
- 238000007639 printing Methods 0.000 description 20
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- 230000006870 function Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000013507 mapping Methods 0.000 description 7
- 239000000523 sample Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 244000144725 Amygdalus communis Species 0.000 description 2
- 235000011437 Amygdalus communis Nutrition 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 2
- 235000020224 almond Nutrition 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 235000020194 almond milk Nutrition 0.000 description 1
- 229910002056 binary alloy Inorganic materials 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
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- 238000003032 molecular docking Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- 238000004537 pulping Methods 0.000 description 1
- 238000011895 specific detection Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
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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
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/4492—Means to read code provided on ingredient pod or cartridge
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
- G01N27/041—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
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Abstract
The embodiment of the invention discloses a material bag identification method of a food processor, wherein the material bag comprises one or more preset positions, the one or more preset positions are mutually independent, and at least one preset position is provided with an electric conductor; the material bag identification method of the food processor can comprise the following steps: detecting the presence of an electrical conductor at one or more predetermined locations; determining position marks and/or position quantity of preset positions with the electric conductors according to the detection result; determining the type of the material bag according to the position identification and/or the position quantity; wherein, different position signs correspond different material package types and/or different position quantity correspond different material package types. Through this embodiment scheme, realized automatic identification material package kind, reduced user operation, improved user experience to avoid increasing too much cost, improved the reliability of discernment.
Description
Technical Field
The embodiment of the invention relates to a control technology of cooking equipment, in particular to a material bag identification method of a food processing machine.
Background
At present, food processing machines (such as original pulping machines) have more and more functions and higher intelligent degree, but corresponding users need to select corresponding functions according to different materials, the operation is complex, and the user experience is poor. If the food processor has the technology of automatically identifying the material bag and automatically selecting the function according to the material bag, the operation of a user can be greatly reduced, the user experience is improved, and the problems that the machine works abnormally and the like caused by the fact that the user adds materials or selects the function in a mismatched way can be prevented;
in the prior art, a package is generally identified by using technologies such as a two-dimensional code, an image or an Object Identifier (OID) code. The material package information is transmitted to the MCU for processing by printing a special two-dimensional code, an image or an OID code on the material package film and then identifying and decoding through the optical scanning module. The above methods not only require an optical scanning lens, but also require a special decoding chip to decode the scanned two-dimensional code, image or OID code, which is very costly.
Moreover, because two-dimensional code, image or OID code etc. all print on the film surface of material package, in case the printing code on the film appears dirty or damaged, the information of material package just can't be read smoothly, and the reliability is not high.
In addition, the optical scanning is sensitive to ambient light, and if the ambient light is greatly interfered when a user uses the optical scanning device, the optical scanning device cannot identify the optical scanning device, and the machine cannot work normally; moreover, the optical scanning information is wrong, which causes the machine to work according to a wrong flow, and the safety risk of overflow occurs.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present invention provide a method for identifying a material package of a food processing machine, which can automatically identify the type of the material package, reduce user operations, improve user experience, avoid increasing excessive costs, and improve the reliability of identification.
The embodiment of the invention provides a material bag identification method of a food processor, wherein the material bag comprises one or more preset positions, the one or more preset positions are mutually independent, and at least one preset position is provided with a conductor; the method can comprise the following steps:
detecting the presence of an electrical conductor at one or more predetermined locations;
determining position marks and/or position quantity of preset positions with the electric conductors according to the detection result;
determining the type of the material bag according to the position identification and/or the position quantity;
wherein, different position signs correspond different material package types and/or different position quantity correspond different material package types.
Optionally, determining the type of the material bag according to the position identifier and/or the number of positions includes:
determining the type of the material bag according to the binary number determined by the position identification and the position number; wherein, different binary numbers correspond to different material package types.
Optionally, the food processor is provided with first detection ends respectively corresponding to the preset positions;
detecting the presence of a conductive object at one or more predetermined locations comprises: and after the first detection end is connected with the corresponding preset position, determining whether the electric conductor exists at the preset position according to the conduction condition of the connected circuit.
Optionally, the food processor is provided with a second detection end, and detecting whether the electric conductor exists at one or more preset positions comprises:
and determining whether the electric conductor exists at the preset position according to the capacitance values of the second detection end and the preset position.
Optionally, each electric conductor on the material bag is grounded, one or more preset positions are provided with metal contacts, and when the preset positions are provided with the electric conductors, the metal contacts are connected with the electric conductors; detecting whether there are electrical conductors at one or more preset positions on the material package comprises:
detecting whether the metal contact at each preset position is grounded;
when the metal contact at any one preset position is detected to be grounded, determining that a conductor exists at the preset position; and when the metal contact at any one preset position is detected to be not grounded, determining that no electric conductor exists at the preset position.
Optionally, at least one of the preset positions is a common region, and the common region is provided with a conductor; when the electric conductor is arranged at the preset position which is not the public area, the electric conductor is connected with the electric conductor of the public area; the preset position of each non-public area is connected with the corresponding first detection end to obtain a first line, and the public area is connected with the corresponding first detection end to obtain a second line;
determining whether a conductive object is present at the predetermined position according to the conduction condition of the connected line includes:
detecting the conduction condition of a circuit formed by each first line and each second line;
when any one circuit is conducted, determining that a conductor is arranged at a preset position corresponding to the conducted first circuit;
and when any one circuit is not conducted, determining that no conductor is arranged at the preset position corresponding to the first circuit which is not conducted.
Optionally, each conductive body on the material bag is grounded, and determining whether a conductive body exists at the preset position according to the second detection end and the capacitance value at the preset position includes:
detecting a capacitance value between the second detection end and each preset position;
when the capacitance value is larger than or equal to a preset first capacitance threshold value, determining that no conductor exists at the preset position; when the capacitance value is smaller than or equal to a preset second capacitance threshold value, determining that a conductor exists at the preset position; wherein the first capacitance threshold is greater than the second capacitance threshold.
Optionally, determining the type of the material bag according to the binary number determined by the position identifier and the number of the positions includes:
correspondingly marking the position marks at all the preset positions with the electric conductors as first marks, and correspondingly marking the position marks at all the preset positions without the electric conductors as second marks;
sequencing all the first marks and the second marks according to the preset arrangement sequence of all the preset positions of the material bag to obtain a binary number; and determining the type of the material bag according to the type of the material bag corresponding to the binary number.
Optionally, the electrical conductor is a conductive ink; a cover layer is disposed on the conductive ink.
Optionally, the one or more preset positions comprise: one or more annular regions surrounding the sachet; when the annular area is a plurality of, the plurality of annular areas are arranged in parallel; alternatively, the first and second electrodes may be,
the one or more preset positions include: one or more geometric regions distributed according to a preset rule.
The embodiment of the invention has the beneficial effects that:
1. the material bag provided by the embodiment of the invention comprises one or more preset positions, wherein the one or more preset positions are mutually independent, and at least one preset position is provided with a conductor; the material bag identification method of the food processor can comprise the following steps: detecting the presence of an electrical conductor at one or more predetermined locations; determining position marks and/or position quantity of preset positions with the electric conductors according to the detection result; determining the type of the material bag according to the position identification and/or the position quantity; wherein, different position signs correspond different material package types and/or different position quantity correspond different material package types. Through this embodiment scheme, realized automatic identification material package kind, reduced user operation, improved user experience to avoid increasing too much cost, improved the reliability of discernment.
2. In the embodiment of the present invention, determining the type of the material bag according to the position identifier and/or the position number includes: determining the type of the material bag according to the binary number determined by the position identification and the position number; wherein, different binary numbers correspond to different material package types. Through the scheme of the embodiment, the recognizable material type is 2sThe number of the S preset positions is increased by one, the number of the material types which can be expressed can be doubled, more material types can be accommodated, and the number of the preset positions can be automatically expanded by a user according to different requirements to expand the number of the material types.
3. In the embodiment of the invention, the food processor is provided with first detection ends respectively corresponding to preset positions; detecting the presence of a conductive object at one or more predetermined locations comprises: and after the first detection end is connected with the corresponding preset position, determining whether the electric conductor exists at the preset position according to the conduction condition of the connected circuit. Through the scheme of the embodiment, the principle is simple, an optical identification or decoding chip is not required to be additionally arranged, and the cost is low.
4. The embodiment of the invention provides a food processor with a second detection end, and the detection of the existence of the electric conductors at one or more preset positions comprises the following steps: and determining whether the electric conductor exists at the preset position according to the capacitance values of the second detection end and the preset position. By the scheme of the embodiment, an optical identification or decoding chip is not required to be additionally arranged, and the cost is lower.
5. In the embodiment of the invention, each electric conductor on the material bag is grounded, one or more preset positions are provided with metal contacts, and when the electric conductors are arranged at the preset positions, the metal contacts are connected with the electric conductors; detecting whether there are electrical conductors at one or more preset positions on the material package comprises: detecting whether the metal contact at each preset position is grounded; when the metal contact at any one preset position is detected to be grounded, determining that a conductor exists at the preset position; and when the metal contact at any one preset position is detected to be not grounded, determining that no electric conductor exists at the preset position. Through the scheme of the embodiment, the identification scheme is simpler, easy to implement and lower in cost.
6. In the embodiment of the invention, the electric conductor is conductive ink; a cover layer is disposed on the conductive ink. This embodiment scheme is through the electrically conductive printing ink of the printing in the position department of predetermineeing on the material package as the electric conductor to this electrically conductive printing ink layer is between material package material and overburden, and is difficult for smudging and damage, has solved present material package recognition technology and has required the height to the material package printing code integrity, and the current problem of discerning the reliability not enough.
7. One or more of the preset positions in embodiments of the present invention include: one or more annular regions surrounding the sachet; when the number of the annular regions is plural, the plural annular regions are arranged in parallel. The shape requirement of this embodiment scheme to the material package is lower, and the principle is simple understandable, and easy to carry out.
Additional features and advantages of embodiments of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the embodiments of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the examples of the application do not constitute a limitation of the embodiments of the invention.
FIG. 1 is a flow chart of a method for identifying a seasoning package of a food processor according to an embodiment of the present invention;
fig. 2 is a flowchart of a method for determining a type of a material package according to a binary number determined by a location identifier and a number of locations according to an embodiment of the present invention;
FIG. 3 is a schematic diagram illustrating an arrangement of preset positions according to an embodiment of the present invention;
fig. 4 is a schematic view of another arrangement of the preset positions according to the embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Example one
A material bag identification method of a food processor comprises one or more preset positions on the material bag, wherein the one or more preset positions are independent from each other, and at least one preset position is provided with an electric conductor; as shown in fig. 1, the method may include S101-S103:
s101, detecting whether a conductor exists at one or more preset positions;
s102, determining position marks and/or position numbers of preset positions of the conductors according to the detection result;
s103, determining the type of the material bag according to the position identification and/or the position number;
wherein, different position signs correspond different material package types and/or different position quantity correspond different material package types.
In the embodiment of the present invention, because the current packet identification technology has various problems of high cost, high requirement on integrity of the printing code of the packet, insufficient reliability, poor adaptability to ambient light interference, easy error, and the like, a new packet identification method is urgently needed to solve the above problems. In order to solve the above problems, embodiments of the present invention provide a package identification scheme in which an electrical conductor is disposed at one or more preset positions on a package, and the number and/or the position of the electrical conductor are/is detected by a food processor to determine the type of the package. According to the scheme of the embodiment, on the basis of realizing automatic identification of the material bag type, reducing user operation and improving user experience, as an optical identification or decoding chip is not required to be additionally arranged on the food processing machine, excessive cost increase is avoided; and the identification method in the scheme of the embodiment does not depend on ambient light, so that the method is not interfered by the brightness of the ambient light, the error rate is low, and the reliability of identification is improved.
In the embodiment of the present invention, the preset positions may be defined according to different user requirements or application scenarios, and the specific positions and the number of the preset positions are not limited, and the specific shapes and the arrangement forms are not limited.
In the embodiment of the present invention, the above-mentioned conductive body may include, but is not limited to: conductive metal sheets, conductive paper, conductive ink, etc., and the specific implementation form thereof is not limited.
In the embodiment of the present invention, the method for detecting the conductive body is not particularly limited, and the resistance value at the preset position may be detected, or the capacitance value between the preset detection device on the food processor and the preset position may be detected, or the grounding condition at the preset position may be detected, so as to detect whether there is a conductive body at the preset position.
In the embodiment of the invention, the food processor can separately identify the position identifier of the preset position, and determine the type of the material bag corresponding to the identified position identifier as the type of the current material bag. For example, when 3 preset positions are arranged on the material bag, the positions are position 1, position 2 and position 3; place the material package in food preparation machine goes up behind corresponding discernment region, position 1, position 2 and position 3 can correspond preset three recognition device on the food preparation machine respectively, like device 1, device 2 and device 3, when device 1 and device 2 discerned that position 1 and position 2 department are provided with the electric conductor, can be according to the material package kind that corresponds when preset mapping table inquiry position 1 and position 2 department are provided with the electric conductor, if the material package kind that corresponds under this kind of condition of record in this mapping table is five cereals, then confirm current material package kind to be five cereals, then after food preparation machine is put into to the material in the material package, food preparation machine can corresponding five cereals processing function of automatic start, thereby save user operation. Similarly, when only the device 2 recognizes that the position 2 is provided with the electric conductor, the corresponding material package type can be inquired according to the mapping table, if the corresponding material package type is the almond, the current material package type is determined to be the almond, and after the food processor is put in the material package, the food processor can automatically start the corresponding almond milk processing function.
In the embodiment of the invention, the food processor can also independently identify the position number of the preset positions, and determine the type of the material bag corresponding to the identified position number as the type of the current material bag. For example, when the device 1 and the device 2 recognize that the electric conductors are arranged at the position 1 and the position 2, the corresponding material bag type can be inquired according to a preset mapping table when the arrangement position of the electric conductor is the position 2, if the corresponding material bag type is beans under the condition recorded in the mapping table, the current material bag type is determined to be beans, and after the materials in the material bag are put into the food processor, the food processor can automatically start the corresponding soybean milk processing function.
In the embodiment of the present invention, the food processor may also determine the material type by considering the position identifier and the number of the positions of the predetermined positions, which will be described in detail in the following embodiments.
Example two
The embodiment introduces a detailed description of an embodiment scheme for detecting whether a conductive body exists at a preset position by a method for detecting a circuit conduction condition on the basis of the first embodiment.
Optionally, the food processor is provided with first detection ends respectively corresponding to the preset positions;
detecting the presence of a conductive object at one or more predetermined locations comprises: and after the first detection end is connected with the corresponding preset position, determining whether the electric conductor exists at the preset position according to the conduction condition of the connected circuit.
In the embodiment of the invention, the first detection end may be a detection probe corresponding to each preset position, when a material package to be identified is placed in an identification area of the food processor, each detection probe may be connected to each preset position, and when a conductive body is disposed at the preset position, the corresponding detection probe is connected to the conductive body to form a circuit line, and whether the conductive body is disposed at the preset position or not may be determined according to a conduction condition of the circuit line.
In the embodiment of the present invention, each preset position may be set to be grounded, and when a conductive body is disposed at the preset position, the conductive body is also grounded, and when the detection probe is connected to the conductive body at the preset position, a grounded path may be formed, so that the conduction condition of the circuit may be correspondingly detected, and at this time, the conductive body disposed at the preset position corresponding to the circuit may be determined according to the conduction condition of the circuit. On the contrary, when no conductor is arranged at any one preset position, a grounded path cannot be formed after the detection probe is connected with the preset position, and the detection probe end can form a high-impedance state, so that the fact that no conductor is arranged at the corresponding preset position can be determined according to the high-impedance state.
In the embodiment of the present invention, each preset position is set to be grounded, each preset position may be set to be grounded separately, or a common grounding region may be set on the material bag, so that each preset position may be grounded through the common grounding region.
Optionally, at least one of the preset positions is a common region, and the common region is provided with a conductor; when the electric conductor is arranged at the preset position which is not the public area, the electric conductor is connected with the electric conductor of the public area; and the preset position of each non-public area is connected with the corresponding first detection end to obtain a first line, and the public area is connected with the corresponding first detection end to obtain a second line.
In an embodiment of the invention, a common region may also be provided and the electrical conductor may be provided in the common region. When the sensing probe is connected to each of the predetermined positions including the common region, both the first line and the second line are formed. Conduction between each of the first lines and the second lines can be detected to determine whether a conductor is provided at a predetermined position that is not the common region.
Alternatively, determining whether the conductive body exists at the preset position according to the conduction condition of the connected line may include:
detecting the conduction condition of a circuit formed by each first line and each second line;
when any one circuit is conducted, determining that a conductor is arranged at a preset position corresponding to the conducted first circuit;
and when any one circuit is not conducted, determining that no conductor is arranged at the preset position corresponding to the first circuit which is not conducted.
In the embodiment of the invention, after the first line and the second line are formed, if the electric conductor is arranged at the preset position which is not the common area, a third line is formed between the electric conductor at the preset position which is not the common area and the electric conductor in the common area, the first line, the third line and the second line and the built-in line of the food processor can form a conductive loop, and when the loop is conductive, the electric conductor is arranged at the corresponding preset position which is not the common area. On the contrary, if the preset position which is not the public area is not provided with the electric conductor, the third circuit can not be conducted, and similarly, the first circuit, the third circuit and the second circuit can not form a conductive loop with the built-in circuit of the food processor, so that the situation that the corresponding preset position which is not the public area is not provided with the electric conductor can be determined.
In the embodiment of the present invention, it should be noted that the common region may also be directly set as a ground region to form the common ground region.
EXAMPLE III
The embodiment describes in detail an embodiment scheme of detecting whether a conductive body exists at a preset position by a method of detecting a capacitance value on the basis of the first embodiment.
Optionally, each electric conductor on the material bag is grounded, a second detection end is arranged on the food processor, and detecting whether the electric conductor exists at one or more preset positions may include:
and determining whether the electric conductor exists at the preset position according to the capacitance values of the second detection end and the preset position.
In the embodiment of the present invention, the second detecting terminal may be a conductive sheet; can be provided with S on the material package and predetermine the position, S is the positive integer, can be provided with one or more second sense terminal on the food preparation machine, every second sense terminal all can link to each other with predetermineeing the power, when carrying out the electric conductor detection, place a predetermined position in the detection area or in the discernment region, if this predetermined position department is provided with the electric conductor, because this electric conductor ground connection, the second sense terminal links to each other with the power, then can produce a capacitance value between this second sense terminal and this electric conductor, detect this capacitance value through the electric capacity detection device of predetermineeing in the food preparation machine, and can judge through the stool and urine of capacitance value and predetermine position department whether there is the electric conductor. Because when there is the electric conductor in preset position department, the capacitance value between second sense terminal and the electric conductor is limited, can have a specific capacitance value, and the capacitance value that detects promptly is generally smaller, when there is not the electric conductor in preset position department, the second sense terminal is in fact equivalent to and produces the electric capacity with the electric conductor of infinity, and the capacitance value that detects this moment is infinitely great, and the capacitance value that detects promptly is generally bigger. According to this principle, one or more capacitance thresholds may be set as detection criteria for the capacitance value, and the presence or absence of a conductive body at a preset position may be determined based on the detection criteria.
Optionally, each conductive body on the material bag is grounded, and determining whether a conductive body exists at the preset position according to the second detection end and the capacitance value at the preset position includes:
detecting a capacitance value between the second detection end and each preset position;
when the capacitance value is larger than or equal to a preset first capacitance threshold value, determining that no conductor exists at the preset position; when the capacitance value is smaller than or equal to a preset second capacitance threshold value, determining that a conductor exists at the preset position; wherein the first capacitance threshold is greater than the second capacitance threshold.
In the embodiment of the invention, in order to ensure the detection accuracy and avoid the large change of the capacitance value caused by the change of the distance between the second detection end and the electric conductor, thereby exceeding the preset capacitance threshold value and causing no false judgment result of the electric conductor, two capacitance threshold values can be set according to the scheme, wherein one capacitance threshold value is larger, such as the first capacitance threshold value, and the other capacitance threshold value is smaller, such as the second capacitance threshold value, so that the detected capacitance value cannot exceed the preset first capacitance threshold value when the fluctuation is larger, the monitoring accuracy is ensured, and the false judgment rate is reduced.
In the embodiment of the present invention, specific values of the first capacitance threshold and the second capacitance threshold are not limited, and may be defined according to different application scenarios.
In the embodiment of the invention, when the existence condition of the conductor is detected by the scheme of the embodiment, only one second detection end can be arranged for detection, or a plurality of second detection ends can be arranged for detection; when only one second detection end is arranged, the S preset positions can be manually placed in the detection area or the identification area respectively to realize the detection of the S preset positions; or the position of the material bag is kept still, and S preset positions are detected in a mode that the food processor drives the second detection end to move or rotate; the position of the second detection end can be kept still, and the driving device drives the material bag to move or rotate to detect S preset positions. When setting up a plurality of second detection ends, can set up S second detection ends, every preset the position and correspond a second detection end respectively promptly, when carrying out the material package discernment, every second detection end detects corresponding preset the position respectively.
In the embodiment of the invention, the main control unit MCU of the food processor directly detects the capacitance value between the second detection end and the printing position of the conductive ink through the detection circuit, so as to achieve the purpose of identifying the material type without additionally adding an optical identification or decoding chip, and compared with the prior art, the food processor has lower cost and higher market value; and the detection of the conductor is realized by a non-contact capacitance detection principle, and compared with optical scanning, the detection device is basically not influenced by light and shade of light, is safer and more reliable, and has higher detection accuracy.
Example four
The embodiment describes in detail an embodiment scheme for detecting whether the conductive body exists at the preset position by detecting the grounding condition at the preset position on the basis of the first embodiment.
Optionally, each electric conductor on the material bag is grounded, one or more preset positions are provided with metal contacts, and when the preset positions are provided with the electric conductors, the metal contacts are connected with the electric conductors; detecting whether there are electrical conductors at one or more preset positions on the material package comprises:
detecting whether the metal contact at each preset position is grounded;
when the metal contact at any one preset position is detected to be grounded, determining that a conductor exists at the preset position; and when the metal contact at any one preset position is detected to be not grounded, determining that no electric conductor exists at the preset position.
In the embodiment of the present invention, upper metal contacts may be provided at each of the S preset positions, and connected to the electric conductor when the electric conductor exists at the preset position. Since the conductors are all grounded, the metal contacts at the predetermined locations containing the conductors are also grounded. Based on the principle, the grounding condition of the metal contact can be detected only, if the metal contact is grounded, the current preset position is indicated to have the conductor, and if the metal contact is not grounded, the current preset position is indicated to not have the conductor. The specific detection scheme may be set according to a specific scenario, for example, a detection resistor may be set in the food processor, and the detection resistor may be in communication with the metal contact during the detection process, and when the metal contact is grounded, a detection current may flow through the detection resistor, and when the metal contact is not grounded, the detection resistor is in a high-impedance state, and no detection current flows through the detection resistor. Therefore, the presence or absence of the electric conductor at the predetermined position can be detected by detecting the presence or absence of the detection current.
In the embodiment of the invention, the main control unit MCU of the food processor judges whether the electric conductor exists at the preset position where the metal contact is positioned by directly detecting whether the metal contact is grounded.
EXAMPLE five
This embodiment has given on the basis of any embodiment above to determine the specific implementation scheme of a kind of the material package according to the position sign and the position quantity.
Optionally, determining the type of the material bag according to the position identifier and/or the number of positions may include:
determining the type of the material bag according to the binary number determined by the position identification and the position number; wherein, different binary numbers correspond to different material package types.
In the embodiment of the present invention, when S preset positions are provided on the material bag, the S preset positions may respectively correspond to different position identifiers, such as S1, S2, S3 … … Ss, and the like, each of the S preset positions may have a conductive body or no conductive body, if a conductive body is present at a preset position, the preset position may be set to 1, and if a conductive body is absent, the preset position may be set to 0, each preset position may correspond to two states, and the S preset positions may be sorted differently. According to the above situation, the preset positions can substantially determine a series of binary numbers according to the position marks and the number of the position marks of the preset positions according to the number of the positions determined by whether the preset positions contain the electric conductors and the arrangement combination of the S preset positions with the corresponding position marks, and if each binary number corresponds to one type of the material packet, the S preset positions can correspond to 2sThe kind of seed bag.
Optionally, determining the type of the material bag according to the binary number determined by the position identifier and the number of positions may include S201 to S203:
s201, correspondingly marking the position marks at all the preset positions with the electric conductors as first marks, and correspondingly marking the position marks at all the preset positions without the electric conductors as second marks;
in the embodiment of the present invention, the first flag may be 1, the second flag may be 0, and in other embodiments, the first flag may also be set to other symbols, such as a, b, and the like, and the specific flag is not limited.
In the embodiment of the invention, if the preset positions are 6, S1, S2, S3, S4, S5 and S6 respectively, and whether the conductors are arranged in S1, S2, S3, S4, S5 and S6 is detected through the scheme, 6-bit binary data can be obtained, the data range is 000000-111111, and the data range is converted into a 10-system data range of 0-63 (0-2)6-1). I.e. by selective setting to the elevators at positions S1-S6, identification 2 can be made664 kinds of materials can be controlled and marked by designing the arrangement position S of the electric conductor, and the marked material kind m is 2s。
In the embodiment of the present invention, for example, if the conductor is provided only at the positions of S2, S4, S5, and S6, S1-0, S2-1, S3-0, S4-1, S5-1, and S6-1 may be provided.
S202, sequencing all the first marks and all the second marks according to the preset arrangement sequence of all the preset positions of the material bags to obtain a binary number;
in the embodiment of the present invention, if the sequences are ordered sequentially according to the sequence from S1 to S6, a set of binary numbers can be obtained after marking each preset position in the above steps: 010111.
s203, determining the type of the material bag according to the type of the material bag corresponding to the binary number.
In the embodiment of the present invention, the type of the material package corresponding to the binary number 010111 can be determined according to a preset mapping table.
In the embodiment of the invention, the binary number can be further converted into a decimal number, and the type of the material bag corresponding to the decimal number is determined as the type of the current material bag.
In the embodiment of the present invention, the tens corresponding to the binary number 010111 is 23, and then the type of the material package corresponding to 23 can be determined according to the preset mapping table.
EXAMPLE six
This embodiment provides a specific embodiment of the electrical conductor on the basis of any of the above embodiments.
Alternatively, the electrical conductor may be a conductive ink; a cover layer may be disposed over the conductive ink.
In the embodiment of the present invention, the conductive body may be any object capable of conducting electricity, and the specific implementation manner of the duyu is not limited, for example, conductive metal, conductive paper, conductive ink, and the like. In the present application, conductive inks may be chosen for cost savings and ease of implementation.
In an embodiment of the present invention, the conductive ink may be printed at a preset position matching the current material bag type, so as to indicate the material bag type by the position of the printed conductive ink. In addition, in order to protect the conductive ink from being stained and simultaneously enable the conductive ink not to cause pollution of other objects, a covering layer can be added on the conductive ink, the conductive ink is arranged between a material package and the covering layer and is not easy to stain and damage, and the problems that the requirement on the integrity of the material package printing codes is high and the reliability is not enough in the prior art are solved.
In the embodiment of the invention, in order to increase the aesthetic property and enable a user to visually confirm one or more preset areas on the material bag, patterns can be arranged on the covering layer, and different patterns can be arranged at different preset positions; and the coverage enhancement can also be set to be distinguished by one or more colors; furthermore, a plurality of preset positions can be printed with continuous cartoons or stories, so that the interestingness of the material bag is further increased.
In the embodiment of the invention, the surface of the conductive ink is protected by the covering layer, so that the conductive circuit cannot be damaged due to dirt or scratch, the material bag cannot be identified, and the reliability of material bag identification is improved.
In the embodiment of the present invention, it should be noted that, with respect to the solution of the third embodiment, if the conductive body is a conductive ink, since the conductive ink is covered by the covering layer, a metal contact may be disposed outside the covering layer, so as to detect whether the conductive ink exists through the solution of the third embodiment. In other embodiments, if the conductor is an object such as a conductive metal sheet or a metal wire, the conductor can be directly detected through the exposed part or the reserved contact of the conductive metal sheet or the metal wire without additionally providing a metal contact.
EXAMPLE seven
This embodiment provides an example of a specific arrangement manner of one or more preset positions on the basis of any of the above embodiments.
Optionally, the one or more preset positions comprise: one or more geometric regions;
the one or more preset positions comprise a common grounding area, and the common grounding area is also in a geometric figure; one or more geometric regions that are not a common ground region are disposed around the common ground region;
conductors at predetermined locations that are not common ground areas are all connected to the common ground area.
In embodiments of the present invention, the geometric region may include, but is not limited to: the shape and size of the area at each preset position are not particularly limited, such as a circular area, a square area, a diamond area, an irregular pattern area, an object-shaped area (such as an animal shape, a leaf shape, and the like), and the like. As shown in fig. 3, a circular area embodiment.
In the embodiment of the present invention, it is known from the foregoing embodiment solutions that, in order to accurately detect the presence or absence of the conductive body, the conductive body may be grounded, so that the detection is performed by the foregoing second embodiment, third embodiment, or fourth embodiment. Here, each of the conductors may be independent of each other and grounded individually, or a dedicated ground region may be provided on the material bag, such as the common ground region described above, so that each of the conductors at the preset position that is not the common ground region is connected to the ground region, thereby achieving grounding of the conductors at the preset positions.
In an embodiment of the present invention, S0 as shown in fig. 3 may be the common ground region, and the conductors on S1, S2, S3, S4, S5, S6 may all be connected to the S0 region.
In the embodiment of the present invention, the region S0 may be provided with a conductive body such as a conductive ink, so as to be uniformly grounded through the conductive body.
In the embodiment of the present invention, the S0 area may also be provided with a metal contact, so that the conductive ink in the S0 area is connected to a predetermined ground line through the metal contact.
Example eight
This embodiment provides another embodiment of a specific arrangement manner of one or more preset positions on the basis of any of the above embodiments.
Optionally, the one or more preset positions comprise: one or more annular regions surrounding the sachet; when the annular area is a plurality of, the plurality of annular areas are arranged in parallel;
the one or more predetermined locations include a common ground region, the common ground region also being annular and arranged parallel to the one or more annular regions that are not the common ground region;
the conductors that are not the common ground region are connected to the conductors of the common ground region.
In an embodiment of the invention, the S predetermined locations of the surface of the sachet may be designed as a ring, as shown in fig. 4. Set up electrically conductive printing ink printing position to the annular, can convenience of customers operation, no matter the user places the material package towards which position, only need correspond high design response module at the material package, electrically conductive printing ink on the annular region all can with respond to the module (can set up in the food processing machine and correspond high corresponding response module with material package printing ink) effective connection, has reduced the requirement to user operation, has optimized user experience.
In the embodiment of the present invention, the first grounding region may also be provided with a metal contact, so that the conductive ink of the first grounding region is connected to a preset grounding line through the metal contact.
Example nine
In this embodiment, on the basis of the seventh embodiment and the eighth embodiment, the arrangement position of the docking area is further defined.
Alternatively, when the sachet is a slotted sachet, the common ground region may be provided at a bottom central position of the slotted sachet.
In the embodiment of the invention, the grounded conductive ink can be designed at the center of the bottom of the material bag, the corresponding metal contact (which is grounded) can be correspondingly designed at the center of the bottom of the material box for placing the material bag on the food processing machine, and when the material bag is placed into the material box, the grounded metal contact in the material box can be reliably connected with the conductive ink at the bottom of the material bag, so that a common grounding area can be reliably grounded. And with the electrically conductive printing ink position preferred design of ground connection on the material package in the bottom, because the electrically conductive printing ink of ground connection on the material package can only be connected through the metal contact in metal contact and the material box, the design can rely on material package gravity to make both sides metal contact inseparabler in the bottom. In addition, the design is put at bottom central point, and no matter the user places the material package towards which direction, and material package bottom metal contact and electrically conductive printing ink all can effective contact, have further simplified the user operation degree of difficulty.
The embodiment of the invention has the beneficial effects that:
1. the material bag provided by the embodiment of the invention comprises one or more preset positions, wherein the one or more preset positions are mutually independent, and at least one preset position is provided with a conductor; the material bag identification method of the food processor can comprise the following steps: detecting the presence of an electrical conductor at one or more predetermined locations; determining position marks and/or position quantity of preset positions with the electric conductors according to the detection result; determining the type of the material bag according to the position identification and/or the position quantity; wherein, different position signs correspond different material package types and/or different position quantity correspond different material package types. Through this embodiment scheme, realized automatic identification material package kind, reduced user operation, improved user experience to avoid increasing too much cost, improved the reliability of discernment.
2. In the embodiment of the present invention, determining the type of the material bag according to the position identifier and/or the position number includes: binary system determined according to position marks and position quantityDetermining the type of the material bag; wherein, different binary numbers correspond to different material package types. Through the scheme of the embodiment, the recognizable material type is 2sThe number of the S preset positions is increased by one, the number of the material types which can be expressed can be doubled, more material types can be accommodated, and the number of the preset positions can be automatically expanded by a user according to different requirements to expand the number of the material types.
3. In the embodiment of the invention, the food processor is provided with first detection ends respectively corresponding to preset positions; detecting the presence of a conductive object at one or more predetermined locations comprises: and after the first detection end is connected with the corresponding preset position, determining whether the electric conductor exists at the preset position according to the conduction condition of the connected circuit. Through the scheme of the embodiment, the principle is simple, an optical identification or decoding chip is not required to be additionally arranged, and the cost is low.
4. The embodiment of the invention provides a food processor with a second detection end, and the detection of the existence of the electric conductors at one or more preset positions comprises the following steps: and determining whether the electric conductor exists at the preset position according to the capacitance values of the second detection end and the preset position. By the scheme of the embodiment, an optical identification or decoding chip is not required to be additionally arranged, and the cost is lower.
5. In the embodiment of the invention, each electric conductor on the material bag is grounded, one or more preset positions are provided with metal contacts, and when the electric conductors are arranged at the preset positions, the metal contacts are connected with the electric conductors; detecting whether there are electrical conductors at one or more preset positions on the material package comprises: detecting whether the metal contact at each preset position is grounded; when the metal contact at any one preset position is detected to be grounded, determining that a conductor exists at the preset position; and when the metal contact at any one preset position is detected to be not grounded, determining that no electric conductor exists at the preset position. Through the scheme of the embodiment, the identification scheme is simpler, easy to implement and lower in cost.
6. In the embodiment of the invention, the electric conductor is conductive ink; a cover layer is disposed on the conductive ink. This embodiment scheme is through the electrically conductive printing ink of the printing in the position department of predetermineeing on the material package as the electric conductor to this electrically conductive printing ink layer is between material package material and overburden, and is difficult for smudging and damage, has solved present material package recognition technology and has required the height to the material package printing code integrity, and the current problem of discerning the reliability not enough.
7. One or more of the preset positions in embodiments of the present invention include: one or more annular regions surrounding the sachet; when the number of the annular regions is plural, the plural annular regions are arranged in parallel. The shape requirement of this embodiment scheme to the material package is lower, and the principle is simple understandable, and easy to carry out.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Claims (9)
1. A material package identification method of a food processor is characterized in that the material package comprises one or more preset positions, the one or more preset positions are independent from each other, and at least one preset position is provided with an electric conductor; the method comprises the following steps:
detecting the presence or absence of the electrical conductor at the one or more predetermined locations;
determining position marks and/or position quantity of the preset positions of the electric conductors according to the detection result;
determining the type of the material bag according to the position identification and/or the position quantity;
wherein, different position marks correspond to different material bags and/or different position numbers correspond to different material bags;
each electric conductor on the material bag is grounded, metal contacts are arranged at one or more preset positions, and when the electric conductors are arranged at the preset positions, the metal contacts are connected with the electric conductors; the detecting whether the electric conductors exist at one or more preset positions on the material bag comprises the following steps:
detecting whether the metal contact at each preset position is grounded;
when the metal contact at any one preset position is detected to be grounded, determining that the conductor exists at the preset position; and when the metal contact at any one preset position is detected to be not grounded, determining that the electric conductor does not exist at the preset position.
2. A method of packet identification for a food processor according to claim 1, wherein said determining the type of packet according to said position identity and/or number of positions comprises:
determining the type of the material bag according to the binary number determined by the position identification and the position number; wherein, different binary numbers correspond to different material package types.
3. The seasoning package identification method of a food processor according to claim 1, wherein the food processor is provided with first detection terminals respectively corresponding to the preset positions;
the detecting the presence or absence of the electrical conductor at the one or more predetermined locations comprises: and after the first detection end is connected with the corresponding preset position, determining whether the conductor exists at the preset position according to the conduction condition of the connected line.
4. The method according to claim 1, wherein a second detection port is provided on the food processor, and the detecting the presence of the electrical conductor at the one or more predetermined locations comprises:
and determining whether the electric conductor exists at the preset position according to the capacitance values of the second detection end and the preset position.
5. A packet identification method according to claim 3, characterized in that at least one of said preset positions is a common area provided with said electrical conductor; when the electric conductor is arranged at the preset position which is not the public area, the electric conductor is connected with the electric conductor of the public area; each preset position which is not the public area is connected with the corresponding first detection end to obtain a first line, and the public area is connected with the corresponding first detection end to obtain a second line;
the determining whether the conductive body exists at the preset position according to the conduction condition of the connected line comprises the following steps:
detecting the conduction condition of a circuit formed by each first line and each second line;
when any one circuit is conducted, determining that a conductor is arranged at a preset position corresponding to the conducted first circuit;
and when any one circuit is not conducted, determining that no conductor is arranged at the preset position corresponding to the first circuit which is not conducted.
6. The method according to claim 4, wherein each electrical conductor on the packet is grounded, and the determining whether the electrical conductor is present at the predetermined position according to the second detection end and the magnitude of the capacitance value at the predetermined position comprises:
detecting a capacitance value between the second detection end and each preset position;
when the capacitance value is larger than or equal to a preset first capacitance threshold value, determining that the electric conductor does not exist at the preset position; when the capacitance value is smaller than or equal to a preset second capacitance threshold value, determining that the electric conductor exists at the preset position; wherein the first capacitance threshold is greater than the second capacitance threshold.
7. The method according to claim 2, wherein the determining the type of the packet according to the binary number determined by the position identifier and the number of positions comprises:
correspondingly marking the position marks with all the preset positions of the electric conductor as first marks, and correspondingly marking the position marks without all the preset positions of the electric conductor as second marks;
sequencing all the first marks and the second marks according to the preset arrangement sequence of all the preset positions of the material bag to obtain a binary number; and determining the type of the material bag according to the type of the material bag corresponding to the binary number.
8. The method of any one of claims 1 to 7, wherein the electrical conductor is a conductive ink; a covering layer is arranged on the conductive ink.
9. The packet identification method of a food processor according to any one of claims 1 to 7,
the one or more preset positions comprise: one or more annular regions surrounding the sachet; when the annular regions are multiple, the annular regions are arranged in parallel; alternatively, the first and second electrodes may be,
the one or more preset positions comprise: one or more geometric regions distributed according to a preset rule.
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