CN112460643B - Kitchen range with multifunctional control knob and acting method thereof - Google Patents

Kitchen range with multifunctional control knob and acting method thereof Download PDF

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Publication number
CN112460643B
CN112460643B CN202011362661.0A CN202011362661A CN112460643B CN 112460643 B CN112460643 B CN 112460643B CN 202011362661 A CN202011362661 A CN 202011362661A CN 112460643 B CN112460643 B CN 112460643B
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Prior art keywords
middle key
temperature
printed circuit
control knob
circuit board
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CN112460643A (en
Inventor
李伟
张敏锋
王国庆
黄卫斌
廖信
刘丰
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Marssenger Kitchenware Co Ltd
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Marssenger Kitchenware Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/10—Arrangement or mounting of ignition devices
    • F24C3/103—Arrangement or mounting of ignition devices of electric ignition devices
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C3/00—Stoves or ranges for gaseous fuels
    • F24C3/12—Arrangement or mounting of control or safety devices
    • F24C3/126—Arrangement or mounting of control or safety devices on ranges
    • 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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cookers (AREA)

Abstract

The invention provides a kitchen range with a multifunctional control knob and an action method thereof, wherein the kitchen range is provided with the control knob, the control knob comprises an outer ring component which is clamped on an electric control component, and a middle key component which penetrates the inner periphery of the outer ring component and is pressed on the electric control component; the middle key assembly comprises a middle key buckle, a display screen is covered on the top surface of the middle key buckle, the display screen is electrically connected with an FPC (flexible printed circuit) flat cable, a touch protrusion is downwards convexly arranged at the center of the bottom end of the middle key buckle, and a plurality of outer hooks are arranged at the periphery of the bottom end of the middle key buckle; the electric control assembly comprises a printed circuit board, wherein the printed circuit board is connected with a coding switch and a tact switch which are annular through a circuit, a reset spring is sleeved on the periphery of the tact switch, and an inner ring groove is concavely formed in the inner wall of the coding switch; the outer hooks of the middle key buckle are embedded into the inner ring groove of the coding switch to form clamping connection, the FPC flat cable passes through the inside of the middle key buckle and is electrically connected with the printed circuit board, the temperature sensor is connected with the printed circuit board through a circuit, and the ignition needle is connected with the printed circuit board through the circuit.

Description

Kitchen range with multifunctional control knob and acting method thereof
Technical Field
The invention belongs to the technical field of stoves, relates to a combination of a display button and a screwing button, and in particular relates to a stove with a multifunctional control knob and an action method thereof.
Background
In the current technology of controlling ignition of a kitchen range, the traditional mechanical knob and touch screen control display mode become two choices of industry.
How to organically combine the control experience of the mechanical knob and the firepower display mode, thereby improving the cooking experience of a user and becoming an innovation of stove ignition and man-machine interaction. At present, various stove ignition control knob modes exist in the market, but a knob which maintains the original control habit and is added with a new interaction mode does not appear.
Disclosure of Invention
The invention aims at solving the problems in the prior art, and provides a kitchen range with a multifunctional control knob and an action method thereof, wherein the kitchen range is capable of skillfully combining the control experience of a mechanical knob with the display of a firepower value and a temperature value, and is greatly convenient for a user to control.
The aim of the invention can be achieved by the following technical scheme: the kitchen range with the multifunctional control knob comprises a kitchen range, wherein a burner is arranged on the kitchen range, an ignition needle is arranged in the burner, a pot support is arranged on the burner, and a temperature sensor is fixedly arranged in the center of the burner; the cooking bench is also provided with a control knob, the control knob comprises a middle key component, an outer ring component and an electric control component, the outer ring component is clamped on the electric control component, and the middle key component penetrates the inner periphery of the outer ring component and is pressed on the electric control component; the middle key assembly comprises a middle key buckle, a display screen is covered on the top surface of the middle key buckle, the display screen is electrically connected with an FPC (flexible printed circuit) flat cable, a touch protrusion is downwards convexly arranged at the center of the bottom end of the middle key buckle, and a plurality of outer hooks are arranged at the periphery of the bottom end of the middle key buckle; the electronic control assembly comprises a printed circuit board, wherein the printed circuit board is connected with a coding switch and a tact switch which are annular through a circuit, the tact switch is positioned in a hollow annular cavity of the coding switch, a reset spring is sleeved on the periphery of the tact switch, and an inner ring groove is concavely formed in the inner wall of the coding switch; the outer hooks of the middle key buckle are embedded into the inner ring groove of the coding switch to form clamping connection, the FPC flat cable passes through the inside of the middle key buckle and then is electrically connected with the printed circuit board, the temperature sensor is connected with the printed circuit board through a circuit, and the ignition needle is connected with the printed circuit board through a circuit.
In the kitchen range with the multifunctional control knob, the fuel gas proportional valve is an electromagnetic valve which is connected with the coding switch through a circuit. The mode, the position, the size and the material of the combination of the parts of the display panel, the display screen, the FPC flat cable, the middle key buckle, the sealing ring, the outer ring buckle, the knob main body, the reset spring, the tact switch and the coding switch are not limited; the shapes of the middle key component, the outer ring component and the electric control component are not limited; the shape, size, type, number and content of the display screen are not limited; the steps, form and control logic of the control knob ignition/tuning/shut down are not limited.
In the cooker with the multifunctional control knob, the display panel is covered on the display screen, and the display screen is adhered with the display panel through the annular adhesive tape.
In the cooker with the multifunctional control knob, the outer periphery of the middle key buckle is sleeved with the sealing ring, and the outer periphery wall of the sealing ring is closely attached to the inner periphery of the outer ring assembly.
In the cooker with the multifunctional control knob, the outer ring assembly comprises an outer ring buckle and a knob main body, a plurality of clamping claws are fixedly arranged on the top surface of the outer ring buckle, an annular chute is concavely arranged on the inner wall of the rotary main body, and a plurality of clamping claws are embedded into the annular chute to form circumferential sliding and axial clamping connection.
In the cooker with the multifunctional control knob, a plurality of inner hooks are arranged on the inner periphery of the bottom opening of the outer ring buckle, the outer ring groove is concavely formed in the outer wall of the coding switch, the bottom opening of the outer ring buckle is sleeved on the outer periphery of the coding switch, and a plurality of inner hooks are embedded into the outer ring groove to form clamping connection.
In the cooker with the multifunctional control knob, an annular clamping groove is concavely formed in the peripheral wall of the middle key buckle, a plurality of clamping nails are fixedly arranged in the annular clamping groove, a plurality of clamping holes are correspondingly formed in the sealing ring, and the sealing ring is embedded into the annular clamping groove to enable the clamping nails to penetrate into the clamping holes in a one-to-one correspondence manner; the periphery of the sealing ring is closely attached to the inner peripheral wall of the outer ring buckle.
In the cooker with the multifunctional control knob, the sinking table is concavely arranged on the top surface of the middle key buckle, and the display screen is embedded into the sinking table to form clamping connection.
In the cooker with the multifunctional control knob, the reset spring is located in the hollow annular cavity of the coding switch, the bottom end of the reset spring is welded on the printed circuit board, and the bottoms of the coding switch and the tact switch are welded on the printed circuit board.
The action method of the kitchen range with the multifunctional control knob comprises the following steps:
1) The middle key buckle is pressed downwards, so that the touch protrusion in the center of the bottom end of the middle key buckle presses the light touch switch, and the printed circuit board starts the ignition needle to discharge after obtaining the instruction;
2) Simultaneously, the knob main body of the outer ring assembly is rotated to control the coding switch of the electric control assembly to adjust the opening degree of the gas proportional valve of the kitchen range, and the gas is discharged and ignited through discharge;
the thermocouple positioned at the burner position signals the printed circuit board, and at the moment, the opening and closing sizes or closing of the fuel gas proportional valve can be controlled by rotating the control knob;
3) Acquiring a fire value electric signal through the printed circuit board, and transmitting the fire value electric signal to a display screen through the FPC flat cable to display the fire value;
the adjustment condition of the fire power is displayed on the display screen in real time, so that a user can accurately know the fire power condition under the condition of no head lowering.
4) The temperature sensor is in contact with the pan bottom, the temperature of the pan bottom is sensed in real time, the acquired value of the temperature of the pan bottom is sent to the printed circuit board, the acquired value is checked and calculated to obtain the temperature in the pan, and the acquired value is sent to the display screen for displaying the numerical value of the pan temperature.
The temperature in the pot is displayed on the display screen, so that a user can accurately know the temperature in the pot and regulate and control the temperature, and the cooking maturity of food can be accurately mastered by the user.
In the above method for operating a kitchen range with a multifunctional control knob, in step 4), the method for checking and calculating is as follows:
a. identifying a pot body, namely, starting temperature T0, heating time S1, preset temperature T1 and compensation value Tx, recording the starting temperature T0 in an unfired state, igniting and heating in a fixed gear, starting timing S1, judging whether the temperature reaches the preset temperature T1, recording the consumed heating time S1, judging the material of the pot body according to S1 and internal storage parameters of an MCU program, and recording Tx (the storage parameters are obtained by a large amount of experimental data);
b. the boiling point is judged, namely, an initial temperature T0, heating time S1, stabilizing time S2 and current temperature T2, a preset temperature range Tmin=Tmin+Tx < T2< Tmax+Tx, the initial temperature T0 in an unfired state is recorded, heating is carried out in a fixed gear after ignition, timing S1 is started, when the temperature reaches the preset temperature range Tmin=Tmin+Tx < T2< Tmax=Tx+Tx, the temperature change rate is recorded at the moment, whether the time for stabilizing the recorded temperature is greater than S2 or not is judged, if yes, the boiling point temperature is reached, and the fire is controlled at the moment;
c. and (3) temperature display: t2=t2+tx.
Compared with the prior art, the kitchen range with the multifunctional control knob and the acting method thereof have the following advantages:
1. the innovation of the ignition mode enables a user to operate and control more easily, and improves the comfort of use;
2. the fire power can be displayed in real time, so that a user can know the fire power without lowering his head;
3. the temperature in the pot can be displayed in real time, so that a user can accurately control the cooking state in the pot;
4. the fire power can be adjusted steplessly, and any fire power requirement of a user can be met;
5. the installation and the maintenance are convenient;
6. the knob form can effectively avoid the risk of malfunction of touch control adjustment.
Drawings
FIG. 1 is an overall perspective view of a cooking appliance with a multifunctional control knob.
FIG. 2 is a cross-sectional block diagram of a control knob in the present cooktop with a multifunctional control knob.
Fig. 3 is an exploded view of a control knob in the present cooktop with a multifunctional control knob.
FIG. 4 is an assembled cross-sectional view and an exploded view of a center key assembly of a control knob in the present cooktop with a multifunctional control knob.
FIG. 5 is an assembled cross-sectional view and exploded view of an outer ring assembly of a control knob in the present cooktop with a multifunctional control knob.
FIG. 6 is an assembled cross-sectional view and an exploded view of an electronic control assembly of a control knob in the present cooktop with a multifunctional control knob.
In the figure, 1, a cooking bench; 2. a burner; 3. a temperature sensor; 4. a pot support; 5. a control knob; 6. a display panel; 7. an adhesive tape; 8. a display screen; 9. FPC flat cable; 10. a middle key buckle; 11. a seal ring; 12. an outer ring buckle; 13. a knob body; 14. a return spring; 15. touching the switch; 16. a code switch; 17. a printed circuit board.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 6, the kitchen range with the multifunctional control knob comprises a kitchen range 1, wherein a burner 2 is arranged on the kitchen range 1, an ignition needle is arranged in the burner 2, a pot bracket 4 is arranged on the burner 2, and a temperature sensor 3 is fixedly arranged in the center of the burner 2; the cooking bench 1 is also provided with a control knob 5, the control knob 5 comprises a middle key component, an outer ring component and an electric control component, the outer ring component is clamped on the electric control component, and the middle key component penetrates the inner periphery of the outer ring component and is pressed on the electric control component; the middle key assembly comprises a middle key buckle 10, a display screen 8 is covered on the top surface of the middle key buckle 10, the display screen 8 is electrically connected with an FPC (flexible printed circuit) flat cable 9, a touch protrusion is downwards convexly arranged at the center of the bottom end of the middle key buckle 10, and a plurality of outer hooks are arranged at the periphery of the bottom end of the middle key buckle 10; the electric control assembly comprises a printed circuit board 17, a coding switch 16 and a tact switch 15 which are connected in a ring shape through a circuit on the printed circuit board 17, the tact switch 15 is positioned in a hollow annular cavity of the coding switch 16, a reset spring 14 is sleeved on the periphery of the tact switch 15, and an inner ring groove is concavely formed in the inner wall of the coding switch 16; the outer hooks of the middle key buckle 10 are embedded into the inner ring groove of the coding switch 16 to form clamping connection, the FPC flat cable 9 passes through the inside of the middle key buckle 10 and is electrically connected with the printed circuit board 17, the temperature sensor 3 is connected with the printed circuit board 17 through a circuit, and the ignition needle is connected with the printed circuit board 17 through the circuit.
In the kitchen range with the multifunctional control knob, the fuel gas proportional valve is an electromagnetic valve which is connected with the coding switch 16 through a circuit. The mode, the position, the size and the material of the combination of the parts of the display panel 6, the display screen 8, the FPC flat cable 9, the middle key buckle 10, the sealing ring 11, the outer ring buckle 12, the knob main body 13, the reset spring 14, the tact switch 15 and the coding switch 16 are not limited; the shapes of the middle key component, the outer ring component and the electric control component are not limited; the shape, size, type, number and content of the display screen 8 are not limited; the steps, form and control logic of the ignition/ignition-off of the control knob 5 are not limited.
The display panel 6 is covered on the display screen 8, and the display screen 8 and the display panel 6 are adhered by the annular adhesive tape 7.
The outer periphery of the middle key buckle 10 is sleeved with a sealing ring 11, and the outer peripheral wall of the sealing ring 11 is closely attached to the inner periphery of the outer ring assembly.
The outer ring assembly comprises an outer ring buckle 12 and a knob main body 13, a plurality of clamping claws are fixedly arranged on the top surface of the outer ring buckle 12, an annular chute is concavely arranged on the inner wall of the rotary main body, and the clamping claws are embedded into the annular chute to form circumferential sliding and axial clamping connection.
The bottom opening inner periphery of outer loop buckle 12 sets up a plurality of interior hooks, and the outer lane groove is established to the outer wall indent of code switch 16, and the bottom opening of outer loop buckle 12 cup joints in code switch 16 periphery, makes a plurality of interior hooks imbeds in the outer lane groove and forms the joint.
An annular clamping groove is concavely formed in the peripheral wall of the middle key buckle 10, a plurality of clamping nails are fixedly arranged in the annular clamping groove, a plurality of clamping holes are correspondingly formed in the sealing ring 11, and the sealing ring 11 is embedded into the annular clamping groove to enable the clamping nails to penetrate into the clamping holes in a one-to-one correspondence manner; the outer periphery of the sealing ring 11 is closely attached to the inner peripheral wall of the outer ring buckle 12.
The top surface of the middle key buckle 10 is concavely provided with a sinking table, and the display screen 8 is embedded into the sinking table to form a clamping connection.
The return spring 14 is located in the hollow annular cavity of the code switch 16, the bottom end of the return spring 14 is welded on the printed circuit board 17, and the bottoms of the code switch 16 and the tact switch 15 are welded on the printed circuit board 17.
The action method of the kitchen range with the multifunctional control knob comprises the following steps:
1) The middle key buckle 10 is pressed downwards, so that the touch protrusion in the center of the bottom end presses the tact switch 15, and the printed circuit board 17 starts the ignition needle to discharge after obtaining the instruction;
2) Simultaneously, the knob main body 13 of the outer ring assembly is rotated to control the coding switch 16 of the electric control assembly to adjust the opening degree of the gas proportional valve of the kitchen range, and the gas is discharged and ignited through discharge;
the thermocouple at the position of the burner 2 signals the printed circuit board 17, and at the moment, the opening and closing of the fuel gas proportional valve can be controlled by rotating the control knob 5;
3) Acquiring a fire value electric signal through a printed circuit board 17, and transmitting the fire value electric signal to a display screen 8 through an FPC (flexible printed circuit) flat cable 9 for displaying the fire value;
the adjustment condition of the fire power is displayed on the display screen 8 in real time, so that a user can accurately know the fire power condition under the condition of no head falling.
4) The temperature sensor 3 is used for contacting the bottom of the pot, sensing the temperature of the bottom of the pot in real time, sending the acquired value of the temperature of the bottom of the pot to the printed circuit board 17, obtaining the temperature in the pot after checking and calculating the acquired value, and sending the acquired value to the display screen 8 for displaying the numerical value of the temperature of the pot.
The temperature in the pot is displayed on the display screen 8, so that a user can accurately know the temperature in the pot and regulate and control the temperature, and the cooking maturity of food can be accurately mastered by the user.
In step 4), the method of checking calculation is as follows:
a. identifying a pot body, namely, starting temperature T0, heating time S1, preset temperature T1 and compensation value Tx, recording the starting temperature T0 in an unfired state, igniting and heating in a fixed gear, starting timing S1, judging whether the temperature reaches the preset temperature T1, recording the consumed heating time S1, judging the material of the pot body according to S1 and internal storage parameters of an MCU program, and recording Tx (the storage parameters are obtained by a large amount of experimental data);
b. the boiling point is judged, namely, an initial temperature T0, heating time S1, stabilizing time S2 and current temperature T2, a preset temperature range Tmin=Tmin+Tx < T2< Tmax+Tx, the initial temperature T0 in an unfired state is recorded, heating is carried out in a fixed gear after ignition, timing S1 is started, when the temperature reaches the preset temperature range Tmin=Tmin+Tx < T2< Tmax=Tx+Tx, the temperature change rate is recorded at the moment, whether the time for stabilizing the recorded temperature is greater than S2 or not is judged, if yes, the boiling point temperature is reached, and the fire is controlled at the moment;
c. and (3) temperature display: t2=t2+tx.
Compared with the prior art, the kitchen range with the multifunctional control knob and the acting method thereof have the following advantages:
1. the innovation of the ignition mode enables a user to operate and control more easily, and improves the comfort of use;
2. the fire power can be displayed in real time, so that a user can know the fire power without lowering his head;
3. the temperature in the pot can be displayed in real time, so that a user can accurately control the cooking state in the pot;
4. the fire power can be adjusted steplessly, and any fire power requirement of a user can be met;
5. the installation and the maintenance are convenient;
6. the knob form can effectively avoid the risk of malfunction of touch control adjustment.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the cooktop 1 is used more herein; a burner 2; a temperature sensor 3; a pot support 4; a control knob 5; a display panel 6; an adhesive tape 7; a display screen 8; an FPC wiring 9; a middle key buckle 10; a seal ring 11; an outer ring clasp 12; a knob body 13; a return spring 14; a tact switch 15; a code switch 16; the term printed circuit board 17 etc. does not exclude the possibility of using other terms. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.

Claims (10)

1. The kitchen range with the multifunctional control knob comprises a kitchen range, wherein a burner is arranged on the kitchen range, an ignition needle is arranged in the burner, and a pot support is arranged on the burner, and the kitchen range is characterized in that a temperature sensor is fixedly arranged in the center of the burner; the cooking bench is also provided with a control knob, the control knob comprises a middle key component, an outer ring component and an electric control component, the outer ring component is clamped on the electric control component, and the middle key component penetrates the inner periphery of the outer ring component and is pressed on the electric control component; the middle key assembly comprises a middle key buckle, a display screen is covered on the top surface of the middle key buckle, the display screen is electrically connected with an FPC (flexible printed circuit) flat cable, a touch protrusion is downwards convexly arranged at the center of the bottom end of the middle key buckle, and a plurality of outer hooks are arranged at the periphery of the bottom end of the middle key buckle; the electronic control assembly comprises a printed circuit board, wherein the printed circuit board is connected with a coding switch and a tact switch which are annular through a circuit, the tact switch is positioned in a hollow annular cavity of the coding switch, a reset spring is sleeved on the periphery of the tact switch, and an inner ring groove is concavely formed in the inner wall of the coding switch; the outer hooks of the middle key buckle are embedded into the inner ring groove of the coding switch to form clamping connection, the FPC flat cable passes through the inside of the middle key buckle and then is electrically connected with the printed circuit board, the temperature sensor is connected with the printed circuit board through a circuit, and the ignition needle is connected with the printed circuit board through a circuit.
2. The cooker with a multifunctional control knob according to claim 1, wherein a display panel is covered on the display screen, and the display screen is adhered to the display panel through an annular adhesive tape.
3. The cooker with a multifunctional control knob according to claim 1, wherein a sealing ring is sleeved on the periphery of the middle key buckle, and the peripheral wall of the sealing ring is closely attached to the inner periphery of the outer ring assembly.
4. The cooker with a multifunctional control knob according to claim 3, wherein the outer ring assembly comprises an outer ring buckle and a knob main body, a plurality of clamping jaws are fixedly arranged on the top surface of the outer ring buckle, an annular chute is concavely arranged on the inner wall of the knob main body, and a plurality of clamping jaws are embedded into the annular chute to form circumferential sliding and axial clamping connection.
5. The cooker with the multifunctional control knob according to claim 4, wherein a plurality of inner hooks are arranged on the inner periphery of the bottom opening of the outer ring buckle, an outer ring groove is concavely formed in the outer wall of the coding switch, the bottom opening of the outer ring buckle is sleeved on the outer periphery of the coding switch, and a plurality of inner hooks are embedded into the outer ring groove to form clamping connection.
6. The cooker with the multifunctional control knob according to claim 4, wherein an annular clamping groove is concavely formed in the peripheral wall of the middle key buckle, a plurality of clamping nails are fixedly arranged in the annular clamping groove, a plurality of clamping holes are correspondingly formed in the sealing ring, and the sealing ring is embedded into the annular clamping groove to enable the plurality of clamping nails to penetrate into the plurality of clamping holes in a one-to-one correspondence manner; the periphery of the sealing ring is closely attached to the inner peripheral wall of the outer ring buckle.
7. The cooker with a multifunctional control knob according to claim 1, wherein a sinking table is concavely arranged on the top surface of the middle key buckle, and the display screen is embedded into the sinking table to form a clamping connection.
8. The cooker with a multifunctional control knob according to claim 1, wherein the return spring is located in a hollow annular cavity of the coding switch, the bottom end of the return spring is welded on the printed circuit board, and the bottoms of the coding switch and the tact switch are both welded on the printed circuit board.
9. The method of action of a hob with a multifunctional control knob according to claim 1, characterized in, that it comprises the following:
1) The middle key buckle is pressed downwards, so that the touch protrusion in the center of the bottom end of the middle key buckle presses the light touch switch, and the printed circuit board starts the ignition needle to discharge after obtaining the instruction;
2) Simultaneously, the knob main body of the outer ring assembly is rotated to control the coding switch of the electric control assembly to adjust the opening degree of the gas proportional valve of the kitchen range, and the gas is discharged and ignited through discharge;
3) Acquiring a fire value electric signal through the printed circuit board, and transmitting the fire value electric signal to a display screen through the FPC flat cable to display the fire value;
4) The temperature sensor is in contact with the pan bottom, the temperature of the pan bottom is sensed in real time, the acquired value of the temperature of the pan bottom is sent to the printed circuit board, the acquired value is checked and calculated to obtain the temperature in the pan, and the acquired value is sent to the display screen for displaying the numerical value of the pan temperature.
10. The method of functioning of a hob with a multifunctional control knob according to claim 9, characterized in that in step 4) the method of checking calculations is as follows:
a. identifying a pot body, namely, starting temperature T0, heating time S1, preset temperature T1 and compensation value Tx, recording the starting temperature T0 in an unfired state, igniting to heat in a fixed gear, starting timing S1, judging whether the temperature reaches the preset temperature T1, recording the consumed heating time S1, judging the material of the pot body according to the S1 and the internal storage parameters of an MCU program, and recording Tx;
b. determining boiling point, namely initial temperature T0, heating time S1, stabilizing time S2, current temperature T2 and preset temperature range Tmin =
Tmin+Tx < T2< Tmax=Tx+Tx, recording the initial temperature T0 in the non-ignition state, heating in a fixed gear after ignition, starting timing S1, recording the temperature change rate when the temperature reaches a preset temperature range Tmin=Tmin+Tx < T2< Tmax=Tmax+Tx, and judging that the boiling point temperature is reached if the temperature is stable for a time longer than S2, and controlling the fire at the moment;
c. and (3) temperature display: t2=t2+tx.
CN202011362661.0A 2020-11-27 2020-11-27 Kitchen range with multifunctional control knob and acting method thereof Active CN112460643B (en)

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