CN107960916A - Cooking apparatus, flow control methods and volume control device - Google Patents

Cooking apparatus, flow control methods and volume control device Download PDF

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Publication number
CN107960916A
CN107960916A CN201610917783.9A CN201610917783A CN107960916A CN 107960916 A CN107960916 A CN 107960916A CN 201610917783 A CN201610917783 A CN 201610917783A CN 107960916 A CN107960916 A CN 107960916A
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CN
China
Prior art keywords
cooking apparatus
liquid
flow
valve
pulse signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201610917783.9A
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Chinese (zh)
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CN107960916B (en
Inventor
冯江平
刘小凯
王志锋
区达理
马志海
刘志才
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Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Foshan Shunde Midea Electrical Heating Appliances Manufacturing Co Ltd
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Priority to CN201610917783.9A priority Critical patent/CN107960916B/en
Publication of CN107960916A publication Critical patent/CN107960916A/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J44/00—Multi-purpose machines for preparing food with several driving units
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/002—Construction of cooking-vessels; Methods or processes of manufacturing specially adapted for cooking-vessels
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/004—Cooking-vessels with integral electrical heating means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J36/00—Parts, details or accessories of cooking-vessels
    • A47J36/24—Warming devices
    • A47J36/2483—Warming devices with electrical heating means
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Cookers (AREA)

Abstract

The present invention provides a kind of cooking apparatus, flow control methods and volume control device, wherein, cooking apparatus includes：Cooking cavity, for holding material, cooking cavity is connected to the inlet of cooking apparatus；Inlet pipe, is connected between liquid source and the inlet outside cooking cavity, is equipped with rotating wheel piece in inlet pipe, the liquid flow driving rotating wheel piece rotation in inlet pipe；Hall sensor, on the outside of inlet pipe, for generating corresponding pulse signal according to the rotating speed of rotating wheel piece；Microprocessor, is connected to Hall sensor to obtain pulse signal, and the flow velocity of liquid is determined according to pulse signal.By technical solution of the present invention, accurately controlled for the automatic water-supply process of cooking apparatus, effect is cooked beneficial to lifting.

Description

Cooking apparatus, flow control methods and volume control device
Technical field
The present invention relates to cooking apparatus technical field, in particular to a kind of cooking apparatus, a kind of flow control methods With a kind of volume control device.
Background technology
In order to lift the culinary art of user experience, more and more cooking apparatus have been added the function of automatic water-supply, such as Wash during rice and supply water, or supply water during boiling.
In correlation technique, the monitoring to automatic water-supply process is realized by the detection of the weight change of internal pot, but interior pot Weight change detection it is at least as follows there are shortcomings：
(1) it is later than the control moment of valve at the time of weight change detects, therefore opening for adjustment valve is detected according to weight change After right, the water in water supply pipe still can be flowed into cooking cavity, and control process has significantly deviation；
(2) weight change detection must could perform the monitoring to water supply process, cooking process according to fixed cooking menu Very flexible.
The content of the invention
It is contemplated that at least solve one of technical problem present in the prior art or correlation technique.
For this reason, an object of the present invention is to provide a kind of cooking apparatus.
It is another object of the present invention to propose a kind of flow control methods.
It is another object of the present invention to propose a kind of volume control device.
To achieve the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of cooking apparatus, including： Cooking cavity, for holding material, cooking cavity is connected to the inlet of cooking apparatus；Inlet pipe, is connected to cooking cavity It is equipped with rotating wheel piece between outer liquid source and inlet, in inlet pipe, the liquid flow driving rotating wheel piece in inlet pipe Rotate；Hall sensor, on the outside of inlet pipe, for generating corresponding pulse signal according to the rotating speed of rotating wheel piece；It is micro- Processor, is connected to Hall sensor to obtain pulse signal, and the flow velocity of liquid is determined according to pulse signal.
Cooking apparatus according to an embodiment of the invention, can be according to by setting Hall sensor in inlet pipe Cycle or in real time by flow feedback to microprocessor, Hall sensor generally comprises copper valve body, magnet rotor component, current stabilization group Part and Hall element etc., when water flows through rotating wheel piece (driving magnet rotor component to rotate) in inlet pipe, magnet rotor Component rotates, and rotating speed is with the linear change of flow.Hall element exports corresponding pulse signal and feeds back to controller, by Microprocessor judges the size of water flow, further, adjusts the driving current of electrically-controlled valve.
In addition, no matter cooking apparatus using fixed menu, or the culinary art scheme of user setting, can control suddenly at any time You are monitored water supply sensor, and usual Hall sensor, which has, to be reflected sensitive, long lifespan, is swift in motion, securely and reliably With it is easy to connect and start flow ultralow (1.5L/min) the advantages that, reduce cooking apparatus because hypovolia occur dry combustion method can Can property.
It is worth it is emphasized that in order to ensure the reliability of Hall sensor detection, it is preferable that leaned in inlet pipe The position in nearly liquid source sets strainer, is wound or is blocked by foreign matter to avoid rotating wheel piece.
Cooking apparatus according to the abovementioned embodiments of the present invention, can also have following technical characteristic：
According to one embodiment of present invention, further include：Electrically-controlled valve, is connected to microprocessor, microprocessor is according to flow velocity The opening degree of the valve of electrically-controlled valve is adjusted.
Above-mentioned electrically-controlled valve is as a kind of actuator, however it is not limited to which hydraulic pressure is usually passed through driving current with pneumatically in electrically-controlled valve When, electromagnetic coil produces electromagnetic force and closure member is lifted from valve seat, and valve is opened, when disconnecting driving current, when electromagnetic force is small, and bullet Spring is pressed in closure member on valve seat, and valve is closed, and specific opening degree scope is 0~100%, and usually default opening degree is One in 100% (completely open-minded), 80%, 50%, 30% and 0% (closure completely).
According to one embodiment of present invention, Hall sensor includes：Non magnetic revolving part, the shaft of rotating wheel piece with it is non- Drive and rotate between the shaft of magnetic revolving part；Permanent magnet, on non magnetic revolving part, rotates with non magnetic revolving part；Suddenly That element, is fixed on the rotation round of permanent magnet, for producing electromagnetic field, permanent magnet and the distance between Hall element are small When pre-determined distance, the magnetic induction line in permanent magnet cutting electromagnetic field, to generate pulse signal.
Cooking apparatus according to an embodiment of the invention, it is to lead to that the liquid in inlet pipe, which drives rotating wheel piece to rotate, Cross to drive between the shaft of rotating wheel piece and the shaft of non magnetic revolving part and rotate so that the electromagnetism that Hall element (magnetism) produces Field is cut by the permanent magnet on non magnetic revolving part, and then since magnetic strength wire cutting generates corresponding pulse signal.
According to one embodiment of present invention, connect between the shaft of rotating wheel piece and the shaft of non magnetic revolving part for gear Connect.
Cooking apparatus according to an embodiment of the invention, by setting the shaft of rotating wheel piece and turning for non magnetic revolving part Between axis for gear connect, the number of teeth of the shaft of rotating wheel piece be n, and the number of teeth of the shaft of non magnetic revolving part is m, wherein, m with N is positive integer, and the proportionate relationship between the rotating speed v1 of rotating wheel piece and the rotating speed v2 of non magnetic revolving part is：
N × v1=m × v2 (1)
Due to the linear positive correlations of rotating speed v1 of the flow velocity in inlet pipe and rotating wheel piece, so understood with reference to formula (1), The rotating speed v2 of flow velocity and non magnetic revolving part in inlet pipe is also linear positive correlation.
According to one embodiment of present invention, further include：Interior pot, the side wall of interior pot are equipped with inlet.
Cooking apparatus according to an embodiment of the invention, sets inlet by the side wall of pot inside, can pass through feed liquor Pipeline is directly supplied water into cooking cavity, is boiled for carrying out heating to material.
According to one embodiment of present invention, further include：Heating unit, arranged on the outside of cooking cavity, is connected to micro- place Device is managed, heating is carried out to material for the heating signal according to microprocessor and is boiled.
According to one embodiment of present invention, heating unit includes：Resistive heater, arranged on cooking cavity lateral wall and/ Or downside wall, the joule's heat energy directly proportional to heating signal can be generated.
According to one embodiment of present invention, interior pot is equipped with conductive magneto-conductive structure sheaf, and heating unit includes：Electromagnetic heating line Circle, is connected to microprocessor, for making the vortex of conductive magneto-conductive structure sheaf fever according to heating signal generation.
According to one embodiment of present invention, further include：Upper cover, upper cover are equipped with inlet.
Cooking apparatus according to an embodiment of the invention, by being set in upper cover to inlet, on the one hand can pass through upper cover Supply water to cooking cavity, on the other hand, can be set in upper cover and removably wash a meter box, wash meter box and be used to carry out clearly material Wash, and combine Hall sensor control water supply process, can more improve accuracy and the reliability of meter process of washing.
According to one embodiment of present invention, further include：Rice-washing device structure, rice-washing device structure can dismantle separation or coordinate assembling In upper cover, rice-washing device structure includes：Receiving portion, for holding material to be cleaned, can be connected to inlet；Feed inlet, is arranged on The side wall of receiving portion or top, for entering receiving portion for material to be cleaned；Discharge gate, can be connected to cooking cavity, use It is discharged into for the material after cleaning in cooking cavity；Sewage draining exit, side wall or bottom arranged on receiving portion, is connected to outside rice-washing device structure The dirt collection portion in portion.
Cooking apparatus according to an embodiment of the invention, by the way that rice-washing device structure is removably assembled in upper cover, coordinates suddenly You can realize automatic rice-washing function by sensor, more precisely control inlet pipe and supply water to wash meter process.
According to one embodiment of present invention, microprocessor is additionally operable to：Detecting the flow value of any instant with presetting When flow value is equal, the valve of electrically-controlled valve is controlled to close completely.
Cooking apparatus according to an embodiment of the invention, by detecting the flow value and preset flow value of any instant When equal, control the valve of electrically-controlled valve to close completely, the accuracy of flow control process can be improved, further, for pre- If flow value controls flow, when the difference between preset flow value and flow value is less than preset difference value, the detection of flow is improved In the cycle, improve detection frequency, and then makes final flow rate value and preset flow value closest.
According to one embodiment of present invention, cooking apparatus is one kind in electric kettle, rice cooker and cooking machine.
Embodiment according to the second aspect of the invention, it is proposed that a kind of flow control methods, including：Detect whether to obtain The pulse signal that Hall sensor produces；When detecting pulse signal, the flow velocity of liquid is determined according to the frequency of pulse signal； Triggering microprocessor is adjusted the opening degree of the valve of electrically-controlled valve according to flow velocity.
Flow control methods according to an embodiment of the invention, by according to the Magnetic Induction principle of Hall sensor to liquid The flow velocity of body is detected, and liquid interior flow value over any time period can be determined with reference to the opening degree of the valve of electrically-controlled valve, And then trigger opening degree of the microprocessor according to flow value control valve.
Flow control methods according to the abovementioned embodiments of the present invention, can also have following technical characteristic：
According to one embodiment of present invention, further include：First correspondence of preset flow rate and opening degree；Preset flow rate With the second correspondence of the flow value of liquid.
According to one embodiment of present invention, when detecting pulse signal, liquid is determined according to the frequency of pulse signal Flow velocity, specifically include following steps：Microprocessor is controlled to generate corresponding flow control according to flow velocity and the first correspondence Instruction；According to the opening degree of the valve of corresponding flow control instruction adjustment electrically-controlled valve to default target opening degree.
According to one embodiment of present invention, further include：Further include：Liquid is determined according to flow velocity and the second correspondence Liquid measure value；Detect whether liquid measure value is greater than or equal to default liquid measure value；Liquid measure value is preset detecting that liquid measure value is greater than or equal to When, control the valve of electrically-controlled valve to close.
Flow control methods according to an embodiment of the invention, by detecting liquid measure value more than or equal to default liquid measure During value, the valve of electrically-controlled valve is controlled to close, it is possible to achieve quantitative water supply exactly, beneficial to the automatic cooking work(of optimization cooking apparatus Can, improve the culinary art experience of user.
Further, in order to lift the accuracy of flow control plan, detecting that flow value approaches with preset flow value When, improve the detection frequency of Hall sensor.
Embodiment according to the third aspect of the invention we, it is proposed that a kind of volume control device, including：Detection unit, is used In the pulse signal for detecting whether acquisition Hall sensor generation；Determination unit, for when detecting pulse signal, according to arteries and veins The frequency for rushing signal determines the flow velocity of liquid；Control unit, for triggering microprocessor according to flow velocity to the valve of electrically-controlled valve Opening degree is adjusted.
Volume control device according to an embodiment of the invention, by according to the Magnetic Induction principle of Hall sensor to liquid The flow velocity of body is detected, and liquid interior flow value over any time period can be determined with reference to the opening degree of the valve of electrically-controlled valve, And then trigger opening degree of the microprocessor according to flow value control valve.
Volume control device according to the abovementioned embodiments of the present invention, can also have following technical characteristic：
According to one embodiment of present invention, further include：Default unit, first for preset flow rate and opening degree are corresponding Relation；Default unit is additionally operable to：Second correspondence of the flow value of preset flow rate and liquid.
According to one embodiment of present invention, control unit is additionally operable to：Microprocessor is controlled to be corresponded to according to flow velocity and first Relation generates corresponding flow control instruction；Control unit is additionally operable to：Adjustment electrically-controlled valve is instructed according to corresponding flow control The opening degree of valve is to default target opening degree.
According to one embodiment of present invention, further include：Determination unit is additionally operable to：It is true according to flow velocity and the second correspondence Determine the liquid measure value of liquid；Detection unit is additionally operable to：Detect whether liquid measure value is greater than or equal to default liquid measure value；Control unit is also used In：When detecting that liquid measure value is greater than or equal to default liquid measure value, the valve of electrically-controlled valve is controlled to close.
By when detecting that liquid measure value is greater than or equal to default liquid measure value, controlling the valve of electrically-controlled valve to close, Ke Yishi Now quantitative water supply exactly, beneficial to the automatic cooking function of optimization cooking apparatus, improves the culinary art experience of user.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment Substantially and it is readily appreciated that, wherein：
Fig. 1 shows the schematic block diagram of one cooking apparatus according to an embodiment of the invention；
Fig. 2 shows the schematic block diagram of two cooking apparatus according to an embodiment of the invention；
Fig. 3 shows the structure diagram of cooking apparatus according to an embodiment of the invention；
Fig. 4 shows a kind of signal of embodiment of the opening degree of the valve of electrically-controlled valve according to an embodiment of the invention Figure；
Fig. 5 shows showing for the another embodiment of the opening degree of the valve of electrically-controlled valve according to an embodiment of the invention It is intended to；
Fig. 6 shows a kind of signal of embodiment of the opening degree of the valve of electrically-controlled valve according to an embodiment of the invention Figure；
Fig. 7 shows showing for the another embodiment of the opening degree of the valve of electrically-controlled valve according to an embodiment of the invention It is intended to；
Fig. 8 shows a kind of signal of embodiment of the opening degree of the valve of electrically-controlled valve according to an embodiment of the invention Figure；
Fig. 9 shows the schematic flow diagram of flow control methods according to an embodiment of the invention；
Figure 10 shows the schematic block diagram of volume control device according to an embodiment of the invention；
Figure 11 shows the schematic block diagram of three cooking apparatus according to an embodiment of the invention；
Figure 12 shows the structure diagram of inlet pipe according to an embodiment of the invention；
Figure 13 shows the structure diagram of Hall sensor according to an embodiment of the invention；
Figure 14 shows the schematic diagram of pulse signal f (p) according to an embodiment of the invention.
Embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real Mode is applied the present invention is further described in detail.It should be noted that in the case where there is no conflict, the implementation of the application Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also To be implemented using other different from other modes described here, therefore, protection scope of the present invention and from described below Specific embodiment limitation.
Cooking apparatus 100 according to an embodiment of the invention is specifically described with reference to Fig. 1 to Fig. 8.
Embodiment one：
As shown in Figures 1 to 8, cooking apparatus 100 according to an embodiment of the invention, including：Cooking cavity, for holding Material, cooking cavity are connected to the inlet of cooking apparatus 100；Inlet pipe, the liquid source 118 being connected to outside cooking cavity and into Be equipped with rotating wheel piece between liquid mouth, in inlet pipe, the liquid flow driving rotating wheel piece rotation in inlet pipe；Hall sensing Device 102, on the outside of inlet pipe, for generating corresponding pulse signal according to the rotating speed of rotating wheel piece；Microprocessor 104, Hall sensor 102 is connected to obtain pulse signal, and the flow velocity of liquid is determined according to pulse signal.
Cooking apparatus 100 according to an embodiment of the invention, can by setting Hall sensor 102 in inlet pipe With according to the cycle or in real time by flow feedback to microprocessor 104, Hall sensor 102 generally comprises copper valve body, magnetism turns Sub-component, current stabilization component and Hall element etc., (drive magnet rotor component to turn when water flows through rotating wheel piece in inlet pipe It is dynamic) when, magnet rotor component rotates, and rotating speed is with the linear change of flow.Hall element exports corresponding pulse signal Controller is fed back to, the size of water flow is judged by microprocessor 104, further, adjusts the driving current of electrically-controlled valve 106.
In addition, no matter cooking apparatus 100 uses fixed menu, or the culinary art scheme of user setting, can be with time control Hall sensor 102 processed is monitored water supply, and usual Hall sensor 102, which has, reflects that sensitive, long lifespan, action are fast The advantages that fast, safe and reliable and easy to connect and startup flow ultralow (1.5L/min), cooking apparatus 100 is reduced because of liquid measure mistake The possibility of dry combustion method occurs less.
It is worth it is emphasized that in order to ensure the reliability of the detection of Hall sensor 102, it is preferable that in inlet pipe In close to liquid source 118 position set strainer, to avoid rotating wheel piece by foreign matter wind or block.
Embodiment two：
As shown in Fig. 2, on the architecture basics of embodiment one, cooking apparatus 200 according to an embodiment of the invention also wraps Include：Electrically-controlled valve 106, is connected to microprocessor 104, microprocessor 104 according to flow velocity to the opening degree of the valve of electrically-controlled valve 106 into Row is adjusted.
Above-mentioned electrically-controlled valve 106 is used as a kind of actuator, however it is not limited to which hydraulic pressure is usually passed through drive with pneumatically in electrically-controlled valve 106 During streaming current, electromagnetic coil produces electromagnetic force and closure member is lifted from valve seat, and valve is opened, when disconnecting driving current, electromagnetic force Hour, spring handle closure member is pressed on valve seat, and valve is closed, and specific opening degree scope is 0~100%, usually default folding Spend for one in 100% (completely open-minded), 80%, 50%, 30% and 0% (closure completely).
And in order to lift the controllability of electrically-controlled valve 106 and flexibility, generally use ball valve, butterfly valve, single-seat adjusting valve and electricity Dynamic actuator etc., to realize the flexible modulation to opening degree, such as opening degree scope is 0% to 100%, usual electrically-controlled valve 106 Opening degree include implementation below：
Embodiment one：
Opening degree is 100% (completely open-minded), and negotiable region is as shown in 402 regions of Fig. 4；
Embodiment two：
Opening degree is 80%, and negotiable region is as shown in 502 regions of Fig. 5,504 regions of non-negotiable region such as Fig. 5 It is shown；
Embodiment three：
Opening degree is 50%, and negotiable region is as shown in 602 regions of Fig. 6,604 regions of non-negotiable region such as Fig. 6 It is shown；
Example IV：
Opening degree is 30%, and negotiable region is as shown in 702 regions of Fig. 7,704 regions of non-negotiable region such as Fig. 7 It is shown；
Embodiment five：
Opening degree is 0% (closure completely), and non-negotiable region is as shown in 804 regions of Fig. 8.
According to one embodiment of present invention, Hall sensor 102 includes：Non magnetic revolving part, the shaft of rotating wheel piece Drive and rotate between the shaft of non magnetic revolving part；Permanent magnet, on non magnetic revolving part, turns with non magnetic revolving part It is dynamic；Hall element, is fixed on the rotation round of permanent magnet, for producing electromagnetic field, between permanent magnet and Hall element When distance is less than or equal to pre-determined distance, the magnetic induction line in permanent magnet cutting electromagnetic field, to generate pulse signal.
Cooking apparatus (the cooking apparatus shown in cooking apparatus 100, Fig. 2 shown in Fig. 1 according to an embodiment of the invention Cooking apparatus 300 shown in 200 and Figure 11), it is to pass through rotating wheel piece that the liquid in inlet pipe, which drives rotating wheel piece to rotate, Shaft and non magnetic revolving part shaft between drive rotate so that Hall element (magnetism) generation electromagnetic field it is non magnetic Permanent magnet cutting on revolving part, and then since magnetic strength wire cutting generates corresponding pulse signal.
According to one embodiment of present invention, connect between the shaft of rotating wheel piece and the shaft of non magnetic revolving part for gear Connect.
Cooking apparatus (the cooking apparatus shown in cooking apparatus 100, Fig. 2 shown in Fig. 1 according to an embodiment of the invention Cooking apparatus 300 shown in 200 and Figure 11), be between the shaft of rotating wheel piece and the shaft of non magnetic revolving part by setting Gear connects, and the number of teeth of the shaft of rotating wheel piece is n, and the number of teeth of the shaft of non magnetic revolving part is m, wherein, m and n are just Integer, the proportionate relationship between the rotating speed v1 of rotating wheel piece and the rotating speed v2 of non magnetic revolving part are：
N × v1=m × v2 (2)
Due to the linear positive correlations of rotating speed v1 of the flow velocity in inlet pipe and rotating wheel piece, so understood with reference to formula (1), The rotating speed v2 of flow velocity and non magnetic revolving part in inlet pipe is also linear positive correlation.
According to one embodiment of present invention, further include：Interior pot 108, the side wall of interior pot 108 are equipped with inlet.
Cooking apparatus (the cooking apparatus shown in cooking apparatus 100, Fig. 2 shown in Fig. 1 according to an embodiment of the invention Cooking apparatus 300 shown in 200 and Figure 11), inlet is set by the side wall of pot 108 inside, can be straight by inlet pipe Connect and supply water into cooking cavity, boil for carrying out heating to material.
According to one embodiment of present invention, further include：Heating unit, arranged on the outside of cooking cavity, is connected to micro- place Device 104 is managed, heating is carried out to material for the heating signal according to microprocessor 104 and is boiled.
According to one embodiment of present invention, heating unit includes：Resistive heater, arranged on cooking cavity lateral wall and/ Or downside wall, the joule's heat energy directly proportional to heating signal can be generated.
According to one embodiment of present invention, interior pot 108 is equipped with conductive magneto-conductive structure sheaf, and heating unit includes：Electromagnetism adds Heat coil, is connected to microprocessor 104, for making the vortex of conductive magneto-conductive structure sheaf fever according to heating signal generation.
According to one embodiment of present invention, further include：Upper cover 110, upper cover 110 are equipped with inlet.
Cooking apparatus (the cooking apparatus shown in cooking apparatus 100, Fig. 2 shown in Fig. 1 according to an embodiment of the invention Cooking apparatus 300 shown in 200 and Figure 11), on the one hand can be by upper cover 110 to cooking by being set in upper cover 110 to inlet Chamber of preparing food supplies water, and on the other hand, can be set in upper cover 110 and removably wash a meter box, washes meter box and is used to carry out clearly material Wash, and combine Hall sensor 102 and control water supply process, can more improve accuracy and the reliability for meter process of washing.
According to one embodiment of present invention, further include：Rice-washing device structure 112, rice-washing device structure 112 can dismantle separation or match somebody with somebody It is combined and is loaded on upper cover 110, rice-washing device structure 112 includes：Receiving portion, for holding material to be cleaned, can be connected to inlet； Feed inlet, side wall or top arranged on receiving portion, for entering receiving portion for material to be cleaned；Discharge gate, can be connected to Cooking cavity, for being discharged into for the material after cleaning in cooking cavity；Sewage draining exit, side wall or bottom arranged on receiving portion, connection Dirt collection portion 116 outside to rice-washing device structure 112, further, for control of sewage disposal process, sewage draining exit and dirt collection portion 116 it Between blowdown valve 114 is set, the opening degree of blowdown valve 114 controls by microprocessor 104.
Cooking apparatus (the cooking apparatus shown in cooking apparatus 100, Fig. 2 shown in Fig. 1 according to an embodiment of the invention Cooking apparatus 300 shown in 200 and Figure 11), by the way that rice-washing device structure 112 is removably assembled in upper cover 110, coordinate Hall to pass Sensor 102 can realize automatic rice-washing function, more precisely control inlet pipe and supply water to wash meter process.
According to one embodiment of present invention, microprocessor 104 is additionally operable to：Detect the flow value of any instant with it is pre- If flow value is equal, the valve of control electrically-controlled valve 106 closes completely.
Cooking apparatus (the cooking apparatus shown in cooking apparatus 100, Fig. 2 shown in Fig. 1 according to an embodiment of the invention Cooking apparatus 300 shown in 200 and Figure 11), by when the flow value for detecting any instant is equal with preset flow value, controlling The valve of electrically-controlled valve 106 processed closes completely, can improve the accuracy of flow control process, further, for preset flow Value control flow, when the difference between preset flow value and flow value is less than preset difference value, improves the detection cycle of flow, carries The Supreme People's Procuratorate's measured frequency, and then make final flow rate value and preset flow value closest.
According to one embodiment of present invention, the cooking apparatus (culinary art shown in cooking apparatus 100, Fig. 2 shown in Fig. 1 Utensil 200 and the cooking apparatus 300 shown in Figure 11) it is one kind in electric kettle, rice cooker and cooking machine.
Fig. 9 shows the schematic flow diagram of flow control methods according to an embodiment of the invention.
As shown in figure 9, flow control methods according to an embodiment of the invention, including：Step 902, detect whether to obtain The pulse signal that Hall sensor produces；Step 904, when detecting pulse signal, liquid is determined according to the frequency of pulse signal The flow velocity of body；Step 906, triggering microprocessor is adjusted the opening degree of the valve of electrically-controlled valve according to flow velocity.
Flow control methods according to an embodiment of the invention, by according to the Magnetic Induction principle of Hall sensor to liquid The flow velocity of body is detected, and liquid interior flow value over any time period can be determined with reference to the opening degree of the valve of electrically-controlled valve, And then trigger opening degree of the microprocessor according to flow value control valve.
Flow control methods according to the abovementioned embodiments of the present invention, can also have following technical characteristic：
According to one embodiment of present invention, further include：First correspondence of preset flow rate and opening degree；Preset flow rate With the second correspondence of the flow value of liquid.
According to one embodiment of present invention, when detecting pulse signal, liquid is determined according to the frequency of pulse signal Flow velocity, specifically include following steps：Microprocessor is controlled to generate corresponding flow control according to flow velocity and the first correspondence Instruction；According to the opening degree of the valve of corresponding flow control instruction adjustment electrically-controlled valve to default target opening degree.
According to one embodiment of present invention, further include：Further include：Liquid is determined according to flow velocity and the second correspondence Liquid measure value；Detect whether liquid measure value is greater than or equal to default liquid measure value；Liquid measure value is preset detecting that liquid measure value is greater than or equal to When, control the valve of electrically-controlled valve to close.
Flow control methods according to an embodiment of the invention, by detecting liquid measure value more than or equal to default liquid measure During value, the valve of electrically-controlled valve is controlled to close, it is possible to achieve quantitative water supply exactly, beneficial to the automatic cooking work(of optimization cooking apparatus Can, improve the culinary art experience of user.
Further, in order to lift the accuracy of flow control plan, detecting that flow value approaches with preset flow value When, improve the detection frequency of Hall sensor.
Figure 10 shows the schematic block diagram of volume control device according to an embodiment of the invention.
As shown in Figure 10, volume control device 1000 according to an embodiment of the invention, including：Detection unit 1002, is used In the pulse signal for detecting whether acquisition Hall sensor generation；Determination unit 1004, for when detecting pulse signal, root The flow velocity of liquid is determined according to the frequency of pulse signal；Control unit 1006, for triggering microprocessor according to flow velocity to electrically-controlled valve The opening degree of valve be adjusted.
Volume control device 1000 according to an embodiment of the invention, passes through the Magnetic Induction principle according to Hall sensor The flow velocity of liquid is detected, liquid interior flow over any time period can be determined with reference to the opening degree of the valve of electrically-controlled valve Value, and then trigger opening degree of the microprocessor according to flow value control valve.
Volume control device 1000 according to the abovementioned embodiments of the present invention, can also have following technical characteristic：
According to one embodiment of present invention, further include：Default unit 1008, first for preset flow rate and opening degree Correspondence；Default unit 1008 is additionally operable to：Second correspondence of the flow value of preset flow rate and liquid.
According to one embodiment of present invention, control unit 1006 is additionally operable to：Microprocessor is controlled according to flow velocity and first Correspondence generates corresponding flow control instruction；Control unit 1006 is additionally operable to：Instructed and adjusted according to corresponding flow control The opening degree of the valve of electrically-controlled valve is to default target opening degree.
According to one embodiment of present invention, further include：Determination unit 1004 is additionally operable to：Corresponded to and closed according to flow velocity and second System determines the liquid measure value of liquid；Detection unit 1002 is additionally operable to：Detect whether liquid measure value is greater than or equal to default liquid measure value；Control Unit 1006 is additionally operable to：When detecting that liquid measure value is greater than or equal to default liquid measure value, the valve of electrically-controlled valve is controlled to close.
By when detecting that liquid measure value is greater than or equal to default liquid measure value, controlling the valve of electrically-controlled valve to close, Ke Yishi Now quantitative water supply exactly, beneficial to the automatic cooking function of optimization cooking apparatus, improves the culinary art experience of user.
Figure 11 shows the schematic block diagram of three cooking apparatus according to an embodiment of the invention.
Figure 12 shows the structure diagram of inlet pipe according to an embodiment of the invention.
Figure 13 shows the structure diagram of Hall sensor according to an embodiment of the invention.
Figure 14 shows the schematic diagram of pulse signal f (p) according to an embodiment of the invention.
According to an embodiment of the invention three cooking apparatus is specifically described with reference to Figure 11 to Figure 14.
Embodiment three：
As shown in Figure 11 to 14, three cooking apparatus includes according to an embodiment of the invention：Hall sensor 102, amplification Circuit 108, squaring circuit 110 and microprocessor 104, wherein, the pulse signal and inlet tube that Hall sensor 102 produces The flow velocity positive correlation of liquid in road 120, therefore, amplifying circuit 108 is fed back to by pulse signal, to improve accuracy of detection, warp The pulse signal for crossing enhanced processing continues to be transmitted to squaring circuit 110, to reduce the interference of AC noise pulse signals, Further optimize the accuracy of flow rate detection, will finally be sent by the pulse signal of enhanced processing and Shape correction to micro- place Device 104 is managed, so that microprocessor 104 is according to the opening degree of pulse signal adjustment valve.
As shown in Figure 12 and Figure 13, rotating wheel piece 122, the shaft 124 of rotating wheel piece 122 are provided with inlet pipe 120 The shaft 1030 of side wall and Hall sensor 102 through inlet pipe 120, which drives, to be rotated, the rotating speed of non magnetic revolving part 1022 With the rotating speed positive correlation of drive piece 122, permanent magnet 1024 is provided with non magnetic revolving part 1022, permanent magnet 1024 is with non- When magnetic revolving part 1022 is turned to close to Hall element 1026, the magnetic induction line of the cutting generation of Hall element 1026, Hall element 1026 produce the pulse signal consistent with cutting frequency, and pulse signal is sent to microprocessor 104.
As shown in figure 14, pulse signal f (p) includes p1、p2、p3……p(n-2)、p(n-1)And pnDeng according to pulse signal Obtain frequency and determine flow velocity, and then corresponding flow value is determined according to flow velocity, microprocessor 104 opens valve according to flow value It is right to be adjusted.
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
Functional unit of the embodiment of the present invention can be combined, divided and deleted according to actual needs.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can To instruct relevant hardware to complete by program, which can be stored in a computer-readable recording medium, storage Medium include read-only storage (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), programmable read only memory (Programmable Read-only Memory, PROM), erasable programmable is read-only deposits Reservoir (Erasable Programmable Read Only Memory, EPROM), disposable programmable read-only storage (One- Time Programmable Read-Only Memory, OTPROM), the electronics formula of erasing can make carbon copies read-only storage (Electrically-Erasable Programmable Read-Only Memory, EEPROM), read-only optical disc (Compact Disc Read-Only Memory, CD-ROM) or other disk storages, magnetic disk storage, magnetic tape storage or can For carrying or storing any other computer-readable medium of data.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.

Claims (19)

  1. A kind of 1. cooking apparatus, it is characterised in that including：
    Cooking cavity, for holding material, the cooking cavity is connected to the inlet of the cooking apparatus；
    Inlet pipe, is connected between the liquid source outside the cooking cavity and the inlet, is equipped with and turns in the inlet pipe Driving wheel piece, rotating wheel piece rotates described in the liquid flow driving in the inlet pipe；
    Hall sensor, on the outside of the inlet pipe, for generating corresponding pulse according to the rotating speed of the rotating wheel piece Signal；
    Microprocessor, is connected to Hall sensor to obtain the pulse signal, and determine the liquid according to the pulse signal The flow velocity of body.
  2. 2. cooking apparatus according to claim 1, it is characterised in that further include：
    Electrically-controlled valve, is connected to the microprocessor, the microprocessor opening to the valve of the electrically-controlled valve according to the flow velocity It is right to be adjusted.
  3. 3. cooking apparatus according to claim 1 or 2, it is characterised in that the Hall sensor includes：
    Drive and rotate between the shaft of non magnetic revolving part, the shaft of the rotating wheel piece and the non magnetic revolving part；
    Permanent magnet, on the non magnetic revolving part, rotates with the non magnetic revolving part；
    Hall element, is fixed on the rotation round of the permanent magnet, for producing electromagnetic field, the permanent magnet with it is described suddenly When the distance between your element is less than or equal to pre-determined distance, the permanent magnet cuts the magnetic induction line in the electromagnetic field, with life Into the pulse signal.
  4. 4. cooking apparatus according to claim 1 or 2, it is characterised in that
    Connected between the shaft of the rotating wheel piece and the shaft of the non magnetic revolving part for gear.
  5. 5. cooking apparatus according to claim 1 or 2, it is characterised in that further include：
    Interior pot, the side wall of the interior pot are equipped with the inlet.
  6. 6. cooking apparatus according to claim 5, it is characterised in that further include：
    Heating unit, arranged on the outside of the cooking cavity, is connected to the microprocessor, for according to the microprocessor Heating signal carries out heating to the material and boils.
  7. 7. cooking apparatus according to claim 6, it is characterised in that the heating unit includes：
    Resistive heater, arranged on the cooking cavity lateral wall and/or downside wall, can generate directly proportional to the heating signal Joule's heat energy.
  8. 8. cooking apparatus according to claim 6, it is characterised in that
    The interior pot is equipped with conductive magneto-conductive structure sheaf, and the heating unit includes：
    Electromagnetic heating coil, is connected to the microprocessor, for making the conductive magneto-conductive knot according to heating signal generation The vortex of structure layer fever.
  9. 9. cooking apparatus according to claim 1, it is characterised in that further include：
    Upper cover, the upper cover are equipped with the inlet.
  10. 10. cooking apparatus according to claim 9, it is characterised in that further include：
    Rice-washing device structure, the rice-washing device structure, which can dismantle separation or coordinate, is assembled in the upper cover, and the rice-washing device structure includes：
    Receiving portion, for holding material to be cleaned, can be connected to the inlet；
    Feed inlet, side wall or top arranged on described accommodation section, for entering described accommodation section for the material to be cleaned；
    Discharge gate, can be connected to the cooking cavity, for being discharged into for the material after cleaning in the cooking cavity；
    Sewage draining exit, side wall or bottom arranged on described accommodation section, the dirt collection portion being connected to outside the rice-washing device structure.
  11. 11. the cooking apparatus according to any one of claim 5 to 10, it is characterised in that
    The cooking apparatus is one kind in electric kettle, rice cooker and cooking machine.
  12. 12. a kind of flow rate control method, suitable for the cooking apparatus as any one of claim 1 to 11, its feature exists In the flow rate control method includes：
    Detect whether to obtain the pulse signal that Hall sensor produces；
    When detecting the pulse signal, the flow velocity of the liquid is determined according to the frequency of the pulse signal；
    The microprocessor is triggered the opening degree of the valve of the electrically-controlled valve is adjusted according to the flow velocity.
  13. 13. flow rate control method according to claim 12, it is characterised in that further include：
    Preset the first correspondence of the flow velocity and the opening degree；
    Preset the second correspondence of the flow velocity and the flow value of the liquid.
  14. 14. flow rate control method according to claim 13, it is characterised in that when detecting the pulse signal, root The flow velocity of the liquid is determined according to the frequency of the pulse signal, specifically includes following steps：
    Control the microprocessor to generate corresponding flow control according to the flow velocity and first correspondence to instruct；
    According to the opening degree of the valve of the corresponding flow control instruction adjustment electrically-controlled valve to default target opening degree.
  15. 15. the flow rate control method according to claim 13 or 14, it is characterised in that further include：
    The liquid measure value of the liquid is determined according to the flow velocity and second correspondence；
    Detect whether the liquid measure value is greater than or equal to default liquid measure value；
    When detecting that the liquid measure value is greater than or equal to the default liquid measure value, the valve of the electrically-controlled valve is controlled to close.
  16. 16. a kind of current velocity controller, suitable for the cooking apparatus as any one of claim 1 to 11, its feature exists In the current velocity controller includes：
    Detection unit, for detecting whether obtaining the pulse signal that Hall sensor produces；
    Determination unit, for when detecting the pulse signal, the liquid to be determined according to the frequency of the pulse signal Flow velocity；
    Control unit, adjusts the opening degree of the valve of the electrically-controlled valve according to the flow velocity for triggering the microprocessor Section.
  17. 17. current velocity controller according to claim 16, it is characterised in that further include：
    Default unit, for presetting the first correspondence of the flow velocity and the opening degree；
    The default unit is additionally operable to：Preset the second correspondence of the flow velocity and the flow value of the liquid.
  18. 18. current velocity controller according to claim 17, it is characterised in that
    Described control unit is additionally operable to：The microprocessor is controlled to be corresponded to according to the flow velocity and first correspondence generation Flow control instruction；
    Described control unit is additionally operable to：The opening degree of the valve of the electrically-controlled valve is adjusted according to the corresponding flow control instruction To default target opening degree.
  19. 19. the current velocity controller according to claim 17 or 18, it is characterised in that further include：
    The determination unit is additionally operable to：The liquid measure value of the liquid is determined according to the flow velocity and second correspondence；
    The detection unit is additionally operable to：Detect whether the liquid measure value is greater than or equal to default liquid measure value；
    Described control unit is additionally operable to：When detecting that the liquid measure value is greater than or equal to the default liquid measure value, described in control The valve of electrically-controlled valve is closed.
CN201610917783.9A 2016-10-20 2016-10-20 Cooking appliance, flow control method and flow control device Active CN107960916B (en)

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CN109011304A (en) * 2018-06-08 2018-12-18 欧阳培光 A kind of fire hydrant systems and fire hydrant monitoring method
CN110464194A (en) * 2018-05-10 2019-11-19 佛山市顺德区美的电热电器制造有限公司 Cooking apparatus, cooking methods and computer readable storage medium
CN110575049A (en) * 2018-06-11 2019-12-17 佛山市顺德区美的电热电器制造有限公司 Cooking appliance, cooking method, and computer-readable storage medium
CN110811289A (en) * 2018-08-10 2020-02-21 佛山市爱米吧科技有限公司 Rice cooking method and device, electric cooker, computer equipment and storage medium
CN110870694A (en) * 2018-08-31 2020-03-10 佛山市顺德区美的电热电器制造有限公司 Fault detection method, fault detection device, cooking appliance and computer-readable storage medium
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CN110464194A (en) * 2018-05-10 2019-11-19 佛山市顺德区美的电热电器制造有限公司 Cooking apparatus, cooking methods and computer readable storage medium
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CN110575049A (en) * 2018-06-11 2019-12-17 佛山市顺德区美的电热电器制造有限公司 Cooking appliance, cooking method, and computer-readable storage medium
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CN110870694A (en) * 2018-08-31 2020-03-10 佛山市顺德区美的电热电器制造有限公司 Fault detection method, fault detection device, cooking appliance and computer-readable storage medium
CN116338221A (en) * 2023-05-24 2023-06-27 河北华清环境科技集团股份有限公司 Quality control equipment for online automatic monitoring of water quality
CN116338221B (en) * 2023-05-24 2023-08-11 河北华清环境科技集团股份有限公司 Quality control equipment for online automatic monitoring of water quality

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