CN110848753A - Gas stove control method and device and gas stove - Google Patents
Gas stove control method and device and gas stove Download PDFInfo
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- CN110848753A CN110848753A CN201810955746.6A CN201810955746A CN110848753A CN 110848753 A CN110848753 A CN 110848753A CN 201810955746 A CN201810955746 A CN 201810955746A CN 110848753 A CN110848753 A CN 110848753A
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- gas stove
- image information
- gas
- cooking
- image acquisition
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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
- F24C3/12—Arrangement or mounting of control or safety devices
- F24C3/126—Arrangement or mounting of control or safety devices on ranges
Abstract
The invention discloses a control method of a gas stove, and belongs to the technical field of gas stoves. The control method comprises the following steps: when the cooking range of the gas stove is in an ignition state, controlling the image acquisition equipment to ascend from the lower part of the cooking range surface of the gas stove to the upper part of the cooking range surface, and acquiring image information; and when one or more cooking ranges are available, controlling the image acquisition equipment to sequentially acquire the image information on each cooking range in the ignition state according to the determined sequence that the cooking ranges are in the ignition state. The problem of obtaining the image information of the plurality of cooking ranges when the plurality of cooking ranges of the gas stove are all in the ignition state can be solved through the method and the device. The timeliness of acquiring the image information of a plurality of cooking ranges of the gas stove is improved.
Description
Technical Field
The invention relates to the technical field of gas stoves, in particular to a gas stove and a control method and device thereof.
Background
Along with quality of life's constantly improvement, people cook the time to the use of gas-cooker more and more generally, security requirement when using is also more and more high, need carry out real-time detection to the inside temperature of pan, current gas-cooker adopts infrared temperature measurement technique when detecting the temperature of placing the pan bottom on the kitchen range, the gas-cooker infrared temperature measurement meets the big problem of temperature measurement error that the bottom of a boiler material difference leads to, the principle of infrared temperature measurement is the infrared radiation intensity that detects the object and send, infrared radiation intensity and temperature, bottom of a boiler infrared emissivity are relevant. The common basic infrared temperature measurement technology can only detect targets with basically consistent emissivity, but the gas stove needs to use pots with different materials and different oxidation degrees. Even if the temperature of two pots with different emissivities is the same, the detected infrared radiation intensity has a certain difference, and the temperature value measured according to the infrared radiation intensity has a difference. The conventional basic infrared temperature measurement technology only obtains a temperature test result according to the infrared radiation intensity, and the result is not accurate. When setting up the inside temperature that image acquisition equipment assisted infrared temperature measurement technique detected the pan on the gas-cooker, when a plurality of kitchen ranges of gas-cooker all were in ignition state, image acquisition equipment can't carry out image information's acquireing to a plurality of kitchen ranges.
Disclosure of Invention
The embodiment of the invention provides a control method and a control device of a gas stove, and aims to solve the problem that when image acquisition equipment is arranged on the gas stove to assist an infrared temperature measurement technology to detect the internal temperature of a cooker, the image acquisition equipment cannot acquire image information of a plurality of cooking ranges when the plurality of cooking ranges of the gas stove are all in an ignition state. The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview and is intended to neither identify key/critical elements nor delineate the scope of such embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
According to a first aspect of the embodiments of the present invention, there is provided a control method for a gas stove, where a liftable image acquisition device is provided on the gas stove, the control method including:
when the cooking range of the gas stove is determined to be in an ignition state, controlling the image acquisition equipment to ascend from the lower part of the top surface of the gas stove to the upper part of the top surface of the gas stove;
and when one or more cooking ranges are available, controlling the image acquisition equipment to sequentially acquire the image information on each cooking range in the ignition state according to the determined sequence that the cooking ranges are in the ignition state.
Optionally, the determining that the burner of the gas stove is in an ignition state includes:
when a knob of the gas stove opens a gas valve, an ignition circuit is switched on, and the gas stove of the gas stove is determined to be in an ignition state; or the like, or, alternatively,
when the voltage detected by the voltage detection circuit at the two ends of the thermocouple type flameout detection device reaches a set voltage value, determining that a cooking range of the gas stove is in an ignition state; or the like, or, alternatively,
and when the circuit of the ion type flameout detection device is conducted, determining that the cooking range of the gas stove is in an ignition state.
Optionally, the control method further includes:
and when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the kitchen range top to the lower part of the kitchen range top.
Optionally, the control method further includes:
and controlling the operation of the gas stove according to the image information.
Optionally, the image information includes image information of a pot, and the operation of the gas stove is controlled according to the image information, including:
according to the image information of the cookware, the classification of the cookware is identified, the temperature difference of the inner surface and the outer surface of the cookware is determined, the inner surface temperature of the cookware is obtained, and the firepower of the gas stove is controlled.
According to a second aspect of the embodiments of the present invention, there is provided a control apparatus of a gas range, including:
the first control unit is used for controlling the image acquisition equipment to ascend from the lower part of the hearth surface of the gas stove to the upper part of the hearth surface when the cooking range of the gas stove is determined to be in an ignition state;
and the second control unit is used for controlling the image acquisition equipment to sequentially acquire the image information on each cooking range in the ignition state according to the determined sequence that the cooking ranges are in the ignition state when the number of the cooking ranges is one or more.
Optionally, the first control unit is further configured to:
and when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the kitchen range top to the lower part of the kitchen range top.
Optionally, the control device further includes a third control unit, and the third control unit is configured to: and controlling the operation of the gas stove according to the image information.
Optionally, the third control unit is specifically configured to: the image information comprises image information of a cooker, and the classification of the cooker is determined according to the image information of the cooker, so that the temperature difference of the inner surface and the outer surface of the cooker is obtained, the inner surface temperature of the cooker is obtained, and the firepower of the gas stove is controlled.
According to a third aspect of the embodiments of the present invention, there is provided a gas range including a gas range body, an image capturing apparatus, and the control device described above.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
when the cooking range of the gas stove is in the ignition state, the image acquisition equipment is controlled to ascend from the lower part of the cooking range surface of the gas stove to the upper part of the cooking range surface, and image information is acquired.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a flowchart illustrating a control method of a gas range according to an exemplary embodiment;
fig. 2 is a flowchart illustrating a control method of a gas range according to another exemplary embodiment;
fig. 3 is a flowchart illustrating a control method of a gas range according to another exemplary embodiment;
fig. 4 is a flowchart illustrating a control method of a gas range according to another exemplary embodiment;
fig. 5 is a flowchart illustrating a control method of a gas range according to another exemplary embodiment;
fig. 6 is a flowchart illustrating a control method of a gas range according to another exemplary embodiment;
fig. 7 is a flowchart illustrating a control method of a gas range according to another exemplary embodiment;
fig. 8 is a flowchart illustrating a control method of a gas range according to another exemplary embodiment;
fig. 9 is a flowchart illustrating a control method of a gas range according to another exemplary embodiment;
fig. 10 is a block diagram illustrating a control apparatus of a gas range according to an exemplary embodiment;
fig. 11 is a block diagram illustrating a control apparatus of a gas range according to another exemplary embodiment;
fig. 12 is a block diagram illustrating a control apparatus of a gas range according to another exemplary embodiment;
fig. 13 is a block diagram illustrating a control apparatus of a gas range according to another exemplary embodiment;
fig. 14 is a block diagram illustrating a control apparatus of a gas range according to another exemplary embodiment;
fig. 15 is a block diagram illustrating a control apparatus of a gas range according to another exemplary embodiment;
fig. 16 is a block diagram illustrating a control apparatus of a gas range according to another exemplary embodiment;
fig. 17 is a block diagram illustrating a control apparatus of a gas range according to another exemplary embodiment;
fig. 18 is a block diagram illustrating a control apparatus of a gas range according to another exemplary embodiment;
fig. 19 is a structural view illustrating a vertical lifting device protruding from a range top of a gas range according to an exemplary embodiment;
FIG. 20 is a schematic view of a vertical lift device shown retracted within a cooktop of a gas range in accordance with an exemplary embodiment;
fig. 21 is a structural view illustrating a rotary elevating device protruding from a range top of a gas range according to an exemplary embodiment;
fig. 22 is a structural view illustrating a rotary elevating device retracted to a range top of a gas range according to an exemplary embodiment.
Description of reference numerals: 1. a cooking stove top; 2. an image acquisition device; 3. a vertical lifting device; 31. a motor base; 311. a bottom; 312. a side portion; 32. a screw; 33. a nut; 34. a stepping motor; 35. a stopper; 4. a rotary lifting device; 41. a receptacle portion; 42. a fixed part; 43. a tension spring; 44. a hinge; 45. a semicircular cam; 5. a housing.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed. Herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. The embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. As for the methods, products and the like disclosed by the embodiments, the description is simple because the methods correspond to the method parts disclosed by the embodiments, and the related parts can be referred to the method parts for description.
According to a first aspect of an embodiment of the present invention, as shown in fig. 1, there is provided a control method of a gas range, including:
step S1, when the gas stove meets the set condition, controlling the image acquisition equipment to acquire the image information;
and step S2, controlling the operation of the gas stove according to the image information.
In this embodiment, the setting condition may be any one of a condition when a pot is placed on the gas range, a condition when a burner of the gas range is in an ignition state, and a condition when the gas range receives an instruction to start the image capturing apparatus. The image acquisition equipment can be arranged on the gas stove or independently arranged with the gas stove, so that the operation control of the gas stove is realized.
The image acquisition equipment can be a camera with a processor, and the acquired image information comprises image information of a cooker, cooking state information and the like, so that the firepower of the gas stove is controlled. For example; when the acquired image information shows that the pan begins to overflow in the pan at the moment, the gas stove is controlled to reduce the opening of the gas valve when the temperature at the moment is overhigh, so that the firepower of the gas stove is reduced, and the phenomenon of continuous overflow of the pan is avoided.
Specifically, the controller in the gas stove controls the image acquisition device to acquire image information and the operation of the gas stove.
According to a second aspect of the embodiment of the present invention, as shown in fig. 10, there is provided a control apparatus of a gas range, including:
a first control unit 100 for controlling the image acquisition device to acquire image information when the gas range satisfies a set condition;
and a second control unit 200 for controlling the operation of the gas range according to the image information.
According to a third aspect of the embodiments of the present invention, there is provided a gas range including a gas range body and the control device described above.
According to a first aspect of the embodiments of the present invention, as shown in fig. 2, there is specifically provided a control method of a gas stove, where a liftable image acquisition device is disposed on the gas stove, the control method includes:
step S101, when a cooker is determined to be placed on a gas stove, controlling an image acquisition device to ascend from the lower part of the hearth surface of the gas stove to the upper part of the hearth surface, and acquiring image information;
and S102, when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the kitchen range top to the lower part of the kitchen range top.
Through the embodiment, the image acquisition equipment can be a camera with a processor, is arranged on the gas stove through the lifting mechanism, is lifted out of the stove top surface of the gas stove to acquire image information when in use, and is lowered to the position below the stove top surface after the image information is acquired. Can realize the control to image acquisition equipment lifting time, both realize acquireing image information when having placed the pan on the gas-cooker, avoided image acquisition equipment to expose for a long time simultaneously again, receive the influence of the high temperature that the gas-cooker produced.
The control of the lifting of the image acquisition device and the acquisition of the image information can be completed through a controller in the gas stove, or can be completed through terminal equipment, such as a mobile phone, a cloud server and the like, so that the data connection is established between the terminal equipment and the gas stove, and the information interaction is realized.
According to a first aspect of an embodiment of the present invention, as shown in fig. 3, another control method for a gas stove is specifically provided, where the gas stove is provided with a liftable image acquisition device, and the control method includes:
step S201, when a cooker is determined to be placed on the gas stove, controlling the image acquisition equipment to ascend from the lower part of the cooking bench surface of the gas stove to the upper part of the cooking bench surface, and when the time interval between two times of continuous determinations that the cooker is placed on the gas stove is greater than or equal to the set time, controlling the image acquisition equipment to acquire image information;
step S202, when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the cooking range surface to the lower part of the cooking range surface;
step S203, identifying the type of the cookware according to the image information of the cookware included in the image information, determining the temperature difference between the inner surface and the outer surface of the cookware, acquiring the temperature of the inner surface of the cookware, and controlling the firepower of the gas stove.
In this embodiment, confirm that the mode of placing the pan on the gas-cooker includes: acquiring a weight change value of a pot frame on a table top of the gas stove through a pressure sensor, and determining that a pot is placed on the gas stove when the acquired weight change value is larger than a set value; or, the electromagnetic wave is transmitted through the electromagnetic wave detection device, and when the reflected wave is detected, the cooker is placed on the gas stove; or, through ultrasonic detection device transmission ultrasonic wave, when detecting there is the reflected wave, confirm to have placed the pan on the gas-cooker. The set time can be 20s, 30s or other values, the preferred range is 10-40s, the value of the set time is not suitable to be too small, the value is too small, repeated detection on the same pot can be avoided through the embodiment when no pot exists in a short period, for example, when the pot is overturned, the pot can be intermittently separated from the pot frame for a period of time, and therefore the image acquisition device can acquire image information, and the method has no practical significance.
The control of the lifting of the image acquisition device, the acquisition of the image information and the adjustment of the firepower of the gas stove can be completed through a controller in the gas stove, or can be completed through terminal equipment, such as a mobile phone, a cloud server and the like, so that the data connection is established between the terminal equipment and the gas stove, and the information interaction is realized.
Optionally, the image information further includes cooking state information. The cooking state comprises overflow, large oil smoke and the like, the current cooking state can be identified through the image acquisition equipment, and the firepower of the gas stove is adaptively adjusted.
The method comprises the steps of identifying the type of a cookware through shape, texture and color, wherein the temperature difference between the inner surface and the outer surface of the cookware is different in different types of cookware, and for a common cast iron pot, a stainless steel pot and an aluminum pot (a single-layer pot, not a double bottom pot, not a marmite), the temperature difference between the inner surface and the outer surface of the pot bottom is almost zero.
Specifically, the temperature of the inner surface of the cooker is set to be t1The temperature of the outer surface of the cooker is t2Then t is1And t2Should satisfy the relation t1＝t2-β*t2/tcWherein，t1、t2、β、tcIs in the unit of k, tcIs the temperature of the outer surface of the pot when the water in the pot is boiling. The temperature of the outer surface of the cooker is t2Can be measured according to infrared temperature measurement.
Specifically, infrared temperature measurement is performed, and the temperature of the cookware is determined through the following formula (1):
wherein E is the energy received by the infrared detector, T is the temperature of the bottom of the cooker, α is the emissivity of the cooker, and k is the Boltzmann constant.
In a specific embodiment, when the pan has been placed on the gas-cooker, the pressure sensor on the kitchen mesa of setting in the wok stand below obtains a weight change value, and send this weight change value to CPU (central processing Unit) in the gas-cooker, CPU confirms that there is the pan on the wok stand this moment, send control signal to image acquisition device, image acquisition device just rises to the top of kitchen mesa from the below of the kitchen mesa of gas-cooker, obtain image information, according to the shape of pan in the image information, the texture, the kind of pan is discerned to the colour, thereby confirm that there is the pan, thereby confirm that the pan is fixed to the kitchen
According to a second aspect of the embodiment of the present invention, as shown in fig. 11, there is specifically provided a control apparatus of a gas range, including:
the first control unit 201 is used for controlling the image acquisition device to ascend from the lower part of the hearth surface of the gas stove to the upper part of the hearth surface and acquiring image information when the cooker is determined to be placed on the gas stove;
and a second control unit 202 for controlling the image pickup device to descend from above the cooktop surface to below the cooktop surface when the image information acquisition is completed.
According to a second aspect of the embodiment of the present invention, as shown in fig. 12, there is specifically provided another control device for a gas stove, including a liftable image capturing apparatus provided on the gas stove, further including:
the first control unit 201 is configured to control an image acquisition device to ascend from below a top surface of the gas stove to above the top surface of the gas stove and acquire image information when it is determined that a pot is placed on the gas stove;
a second control unit 202 configured to control the image capturing apparatus to descend from above the cooking range top to below the cooking range top when the image information acquisition is completed;
a third control unit 203 for controlling the operation of the gas range according to the image information;
the determining unit 204 is used for acquiring a weight change value of a pot rack on the table top of the gas stove through the pressure sensor, and determining that a pot is placed on the gas stove when the acquired weight change value is larger than a set value; or, the electromagnetic wave is transmitted through the electromagnetic wave detection device, and when the reflected wave is detected, the cooker is placed on the gas stove; or, through ultrasonic detection device transmission ultrasonic wave, when detecting there is the reflected wave, confirm the pan has been placed on the gas-cooker.
The set value can be a numerical value larger than zero, when a pot is placed on the pot rack, the weight of the pot rack is inevitably increased, the weight of a common pot is basically over 1kg, and therefore the set value can be 1 kg.
According to a third aspect of the embodiments of the present invention, there is provided a gas range including a gas range body and the control device described above. As shown in fig. 19, the image pickup device 2 provided on the gas range includes an image pickup section 21 and an image processing section 22; the image acquisition device 2 is fixedly connected with the height adjusting device, and partially or completely extends out of the cooking bench surface 1 of the gas stove or completely retracts into the gas cooking bench under the action of the height adjusting device.
According to the embodiment of the invention, the height adjusting device is arranged, the image acquisition equipment 2 is fixedly connected with the height adjusting device, when the image acquisition equipment 2 needs to work, part or all of the image acquisition equipment 2 extends out of the kitchen range top 1 through the height adjusting device, so that the image acquisition equipment 2 can acquire the information of cookware, when the image acquisition equipment 2 does not need to work, the image acquisition equipment 2 is completely retracted into the gas kitchen range through the height adjusting device, and the problem that the service life of the image acquisition equipment 2 is shortened due to the fact that the image acquisition equipment 2 stays in a high-heat environment for a long time is avoided.
In some alternative embodiments, as shown in fig. 19, the height adjusting device includes a vertical lifting device 3, and the image capturing apparatus 2 is located above the vertical lifting device 3, moves up and down by the vertical lifting device 3, and can be partially or completely extended out of the cooking top 1 or completely retracted into the cooking top.
Optionally, a housing 5 is disposed outside the image capturing device 2, and the housing 5 is used for protecting the image capturing device 2.
In some alternative embodiments, the vertical lifting device 3 includes a motor base 31, a screw 32, a nut 33, and a stepping motor 34;
wherein, the motor base 31 is located below the cooking bench surface 1 and comprises a bottom 311 and a side 312, wherein the bottom 311 is used for fixing the stepping motor 34;
the side parts 312 are positioned at both ends of the bottom part 311 and are perpendicular to the bottom part 311;
one end of the screw 32 is connected with a stepping motor 34, and the other end is sleeved with a nut 33;
the nut 33 is fixedly connected with the image acquisition equipment 2;
the stepping motor 34 moves the nut 33 via the screw 32, and moves the image capturing apparatus 2 up or down.
Wherein the side portion 312 also functions as a slide rail to make the ascending and descending of the screw 33 smoother.
In some optional embodiments, the vertical lifting device 3 further comprises a stopper 35, and the stopper 35 is used for limiting the movement track of the nut 33.
By providing the stopper 35, the range of the ascending and descending stroke of the vertical lifting device 3 can be limited, and the image capturing apparatus 2 can be prevented from being positioned too high or too low.
In some optional embodiments, when the stepping motor 34 rotates forward, the screw 32 raises the nut 33 to lift the image capturing device 2, so that the image capturing device 2 partially or completely protrudes out of the cooking top 1, so that the image capturing device 2 can capture image information of a pot on the cooking top.
As shown in fig. 20, when the stepping motor 34 rotates reversely, the screw rod 32 lowers the nut 33 to drive the image capturing device 2 to be fully retracted into the gas cooking range, so as to prevent the high-temperature environment in the kitchen from affecting the image capturing device 2 and prolong the service life of the image capturing device 2.
In some alternative embodiments, as shown in fig. 21, the height adjustment device comprises a rotary lifting device 4, the rotary lifting device 4 comprising a housing portion 41, a fixing portion 42 and a tension spring 43;
the cross section of the accommodating part 41 is triangular, and the image acquisition equipment 2 is arranged in the accommodating part;
the tension spring 43 connects the fixing portion 42 and the accommodating portion 41, and the accommodating portion 41 is retracted into the gas cooktop by the tension of the tension spring 43.
In some alternative embodiments, the fixing portion 42 is located below the cooking top 1 and inside the cooking top, and one end thereof is fixed on the cooking top 1 and the other end thereof is connected with the tension spring 43 in an oblique manner.
In some alternative embodiments, the rotary lifting device 4 further comprises a hinge 44, and the hinge 44 fixedly connects the accommodating part 41 and the fixing part 42 such that the accommodating part 41 rotates around the hinge 44 in a plane perpendicular to the cooktop 1.
In some optional embodiments, the rotary lifting device 4 further includes a rotating structure located below the accommodating portion 41, the rotating structure is driven by an external motor, and the rotating structure rotates to make the accommodating portion 41 partially or completely protrude out of the cooking top 1, so that the image capturing device 2 is located above the cooking top 1 to capture images of pans on the cooking top.
In some alternative embodiments, the rotating structure includes a semicircular cam, and the accommodating portion 41 partially or completely protrudes from the gas stove top 11 by the rotation of the semicircular cam, so that the image capturing device 2 is located above the gas stove top 1, thereby facilitating the capturing of the image information of the cookware.
As shown in fig. 22, when the semicircular cam is rotated to the position shown in fig. 22, the accommodating part 41 is retracted into the top under the tensile force of the tension spring 43, preventing the high thermal environment in the kitchen from affecting the image pickup apparatus 2.
According to a first aspect of the embodiments of the present invention, as shown in fig. 4, there is specifically provided a control method of a gas stove, where a liftable image acquisition device is disposed on the gas stove, the control method includes:
step S301, when the cooking range of the gas stove is in an ignition state, controlling an image acquisition device to ascend from the lower part of the top surface of the gas stove to the upper part of the top surface of the gas stove;
and step S302, when one or more cooking ranges are provided, controlling the image acquisition equipment to sequentially acquire the image information on each cooking range in the ignition state according to the determined sequence that the cooking ranges are in the ignition state.
Through the implementation mode, the image acquisition equipment can be a camera with a processor, is arranged on the gas stove through the lifting mechanism, is lifted out of the hearth surface of the gas stove to acquire image information during use, can realize that the image acquisition equipment acquires the image information of a plurality of stoves in an ignition state, and improves the timeliness for acquiring the image information of the plurality of stoves of the gas stove.
The control of the rising of the image acquisition device and the sequential acquisition of the image information can be completed by a controller in the gas stove, or can be completed by terminal devices, such as a mobile phone, a cloud server and the like, so that the data connection is established between the terminal devices and the gas stove, and the information interaction is realized.
Wherein, the mode of confirming that the kitchen range is in the ignition state includes:
when a knob of the gas stove opens a gas valve, an ignition circuit is switched on, and the gas stove head of the gas stove is determined to be in an ignition state; or the like, or, alternatively,
when the voltage detected by the voltage detection circuit at the two ends of the thermocouple type flameout detection device reaches a set voltage value, determining that a cooking range of the gas stove is in an ignition state; or the like, or, alternatively,
when the circuit of the ion type flameout detection device is conducted, the cooking range of the gas stove is determined to be in an ignition state.
Whether the cooking range of the gas stove is in an ignition state or not can be detected by utilizing the connection of the knob switch and the ignition circuit, the flameout detection device and the like. The flameout detection device is a commonly used safety detection device in the current gas stove.
According to a first aspect of the embodiments of the present invention, as shown in fig. 5, another control method of a gas stove is specifically provided, where the gas stove is provided with a liftable image acquisition device, and the control method includes:
step S401, when the cooking range of the gas stove is in an ignition state, controlling an image acquisition device to ascend from the lower part of the top surface of the gas stove to the upper part of the top surface of the gas stove;
step S402, when one or more cooking ranges are provided, controlling the image acquisition equipment to sequentially acquire image information on each cooking range in an ignition state according to the determined sequence that the cooking ranges are in the ignition state;
step S403, when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the cooking range surface to the lower part of the cooking range surface;
step S404, identifying the type of the cookware according to the image information of the cookware in the image information, determining the temperature difference between the inner surface and the outer surface of the cookware, acquiring the temperature of the inner surface of the cookware, and controlling the firepower of the gas stove.
Through this embodiment, can realize that image acquisition equipment acquires the image information of a plurality of kitchen ranges that are in the ignition state, improve the promptness of acquiring the image information of a plurality of kitchen ranges of gas-cooker, acquire the image information simultaneously and accomplish the back, image acquisition equipment descends to the below of kitchen range face from the top of kitchen range face, has protected it, avoids receiving the influence of gas-cooker high temperature.
The control of the lifting of the image acquisition device, the sequential acquisition of the image information and the adjustment of the firepower of the gas stove can be completed through a controller in the gas stove, or can be completed through terminal devices, such as a mobile phone, a cloud server and the like, so that the data connection is established between the terminal devices and the gas stove, and the information interaction is realized.
Optionally, the image information further includes cooking state information. The cooking state comprises overflow, large oil smoke and the like, the current cooking state can be identified through the image acquisition equipment, and the firepower of the gas stove is adaptively adjusted.
The method comprises the steps of identifying the type of a cookware through shape, texture and color, wherein the temperature difference between the inner surface and the outer surface of the cookware is different in different types of cookware, and for a common cast iron pot, a stainless steel pot and an aluminum pot (a single-layer pot, not a double bottom pot, not a marmite), the temperature difference between the inner surface and the outer surface of the pot bottom is almost zero.
Specifically, the temperature of the inner surface of the cooker is set to be t1The temperature of the outer surface of the cooker is t2Then t is1And t2Should satisfy the relation t1＝t2-β*t2/tcWherein, t1、t2、β、tcIs in the unit of k, tcIs the temperature of the outer surface of the pot when the water in the pot is boiling. The temperature of the outer surface of the cooker is t2Can be measured according to infrared temperature measurement.
Specifically, infrared temperature measurement is performed, and the temperature of the cookware is determined through the following formula (1):
wherein E is the energy received by the infrared detector, T is the temperature of the bottom of the cooker, α is the emissivity of the cooker, and k is the Boltzmann constant.
According to a second aspect of the embodiment of the present invention, as shown in fig. 13, there is specifically provided a control apparatus of a gas range, including:
a first control unit 301 configured to control the image pickup device to ascend from below to above a cooktop surface of the gas cooker when it is determined that a cooktop of the gas cooker is in an ignition state;
and the second control unit 302 is configured to control the image acquisition device to sequentially acquire image information on each cooking range in an ignition state according to the determined sequence that the cooking ranges are in the ignition state when one or more cooking ranges are provided.
According to a second aspect of the embodiment of the present invention, as shown in fig. 14, there is specifically provided another control device of a gas range, including:
a first control unit 301 configured to control the image pickup device to ascend from below to above a cooktop surface of the gas cooker when it is determined that a cooktop of the gas cooker is in an ignition state; and/or when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the cooking range surface to the lower part of the cooking range surface.
The second control unit 302 is configured to, when one or more cooking ranges are provided, control the image acquisition device to sequentially acquire image information on each cooking range in an ignition state according to the determined sequence that the cooking ranges are in the ignition state;
the third control unit 303 is configured to identify a type of a pot according to the image information of the pot included in the image information, determine a temperature difference between an inner surface and an outer surface of the pot, obtain an inner surface temperature of the pot, and control a fire power of the gas stove.
According to a third aspect of the embodiments of the present invention, there is provided a gas range including a gas range body and the control device described above.
According to a first aspect of the embodiments of the present invention, as shown in fig. 6, there is specifically provided a control method of a gas stove, where a liftable image acquisition device is disposed on the gas stove, the control method includes:
step S501, when determining that an instruction for starting the image acquisition equipment is received, controlling the image acquisition equipment to ascend from the lower part of the hearth surface of the gas stove to the upper part of the hearth surface, and acquiring image information;
and step S502, when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the cooking range surface to the lower part of the cooking range surface.
Through the embodiment, the image acquisition equipment can be a camera with a processor, is arranged on the gas stove through the lifting mechanism, is lifted out of the hearth surface of the gas stove to acquire image information during use, can solve the problem that the image acquisition device needs to be accurately and flexibly controlled to lift, and realizes accurate and flexible control of the lifting of the image acquisition equipment through instructions.
The control of the lifting of the image acquisition device and the acquisition of the image information can be completed through a controller in the gas stove, or can be completed through terminal equipment, such as a mobile phone, a cloud server and the like, so that the data connection is established between the terminal equipment and the gas stove, and the information interaction is realized.
According to a first aspect of the embodiments of the present invention, as shown in fig. 7, another control method of a gas stove is specifically provided, where the gas stove is provided with a liftable image acquisition device, and the control method includes:
step S601, acquiring a voice command, identifying the voice command as a command for starting an image acquisition device after comparing the voice command with a command stored in a local command set or a cloud command set, controlling the image acquisition device to ascend from the lower part of the hearth surface of the gas stove to the upper part of the hearth surface, and acquiring image information;
step S602, when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the cooking range surface to the lower part of the cooking range surface;
step S603, identifying the type of the cookware according to the image information of the cookware included in the image information, determining the temperature difference between the inner surface and the outer surface of the cookware, obtaining the temperature of the inner surface of the cookware, and controlling the fire of the gas stove.
Through this embodiment, image acquisition equipment can be the camera of taking the treater, sets up on the gas-cooker through elevating system, rises out the top of a kitchen range of gas-cooker during the use and carries out image information's acquisition, can solve the problem that needs go up and down to carry out accurate, control in a flexible way image acquisition device, realizes accurate, the nimble control to image acquisition equipment lift through the instruction, can discern the instruction simultaneously to improve the degree of accuracy, finally control the firepower of gas-cooker.
The control device is used for controlling the lifting of the image acquisition device, acquiring image information and adjusting firepower of the gas stove through a controller in the gas stove or a terminal device, the acquisition of a voice instruction can be completed through a voice recognition module or the terminal device in the gas stove, and the terminal device comprises a mobile phone, a cloud server and the like, so that data connection is established between the terminal device and the gas stove, and information interaction is realized.
Optionally, the image information further includes cooking state information. The cooking state comprises overflow, large oil smoke and the like, the current cooking state can be identified through the image acquisition equipment, and the firepower of the gas stove is adaptively adjusted.
The method comprises the steps of identifying the type of a cookware through shape, texture and color, wherein the temperature difference between the inner surface and the outer surface of the cookware is different in different types of cookware, and for a common cast iron pot, a stainless steel pot and an aluminum pot (a single-layer pot, not a double bottom pot, not a marmite), the temperature difference between the inner surface and the outer surface of the pot bottom is almost zero.
Specifically, the temperature of the inner surface of the cooker is set to be t1The temperature of the outer surface of the cooker is t2Then t is1And t2Should satisfy the relation t1＝t2-β*t2/tcWherein, t1、t2、β、tcIs in the unit of k, tcIs the temperature of the outer surface of the pot when the water in the pot is boiling. The temperature of the outer surface of the cooker is t2Can be measured according to infrared temperature measurement.
Specifically, infrared temperature measurement is performed, and the temperature of the cookware is determined through the following formula (1):
wherein E is the energy received by the infrared detector, T is the temperature of the bottom of the cooker, α is the emissivity of the cooker, and k is the Boltzmann constant.
According to a second aspect of the embodiment of the present invention, as shown in fig. 15, there is specifically provided a control device of a gas range, including:
a first control unit 401 configured to control the image capturing apparatus to ascend from below a cooktop surface of the gas cooker to above the cooktop surface and acquire image information when it is determined that an instruction to start the image capturing apparatus is received;
a second control unit 402 for controlling the image pickup device to descend from above the cooktop surface to below the cooktop surface when the image information acquisition is completed.
According to a second aspect of the embodiment of the present invention, as shown in fig. 16, there is specifically provided another control device of a gas range, including:
and the voice recognition unit 403 is configured to obtain a voice command, and after comparing the voice command with the command stored in the local command set or the cloud command set, recognize that the voice command is a command for starting the image capturing device.
A first control unit 401 configured to control the image capturing apparatus to ascend from below a cooktop surface of the gas cooker to above the cooktop surface and acquire image information when it is determined that an instruction to start the image capturing apparatus is received;
a second control unit 402 for controlling the image pickup device to descend from above the cooktop surface to below the cooktop surface when the image information acquisition is completed.
The third control unit 404 is configured to identify a type of a pot according to the image information of the pot included in the image information, determine a temperature difference between an inner surface and an outer surface of the pot, obtain an inner surface temperature of the pot, and control a fire power of the gas stove.
According to a third aspect of the embodiments of the present invention, there is provided a gas range including a gas range body and the control device described above.
According to a first aspect of an embodiment of the present invention, as shown in fig. 8, there is specifically provided a control method of a gas range, the control method including:
step S701, acquiring image information on a burner of a gas stove in an ignition state through image acquisition equipment;
and step S702, controlling the operation of the gas stove according to the image information.
Through this embodiment, can solve the cost increase that the complicated structure that sets up the image acquisition equipment of liftable and lower and bring on the gas-cooker causes, but image acquisition equipment can be the camera of the autogiration of taking the treater, set up in the kitchen, when this image acquisition equipment can be placed on lampblack absorber, wall, refrigerator, air conditioner, the gas-cooker is located image acquisition equipment's visual field, but not necessarily in the central point of its visual field, carry out image information's acquirement to the gas-cooker through image acquisition equipment, the firepower of final control gas-cooker.
According to a first aspect of an embodiment of the present invention, as shown in fig. 9, there is specifically provided another control method of a gas range, including:
step S801, identifying paired image acquisition equipment and establishing data connection;
step S802, after the burner of the gas stove is determined to be in an ignition state, controlling an image acquisition device to acquire the position information of the gas stove and storing the position information;
step S803, acquiring image information on a burner of the gas stove in an ignition state through image acquisition equipment;
step S804, identifying the type of the cookware according to the image information of the cookware included in the image information, determining the temperature difference between the inner surface and the outer surface of the cookware, acquiring the temperature of the inner surface of the cookware, and controlling the firepower of the gas stove.
Through the implementation mode, the problem that the cost is increased due to the fact that a liftable image acquisition device is arranged on a gas stove and can be of a complex structure is solved, the image acquisition device can be an automatically rotatable camera with a processor and is arranged in a kitchen, when the image acquisition device can be placed on a range hood, a wall, a refrigerator and an air conditioner, the gas stove is located in the view field of the image acquisition device but not necessarily in the central position of the view field, when the stove head of the gas stove is in an ignition state, the image acquisition device is controlled to turn to the gas stove to acquire image information of the gas stove, the firepower of the gas stove is finally controlled, the position information of the gas stove is acquired at the same time, the position information is stored, and when the image information needs to be acquired next time, the image acquisition, the efficiency of obtaining image information is improved, and the position information of the gas stove is prevented from being obtained.
Optionally, when the position information of the gas stove changes, the image acquisition device stores the new position information after acquiring the new position information. Sometimes, the user can move the position of the gas stove, if the image acquisition equipment still obtains the image information according to the previous position information, the image information which is possibly obtained is not accurate enough, and at the moment, new position information needs to be obtained again and stored, so that the image acquisition equipment can directly face the position of the gas stove next time.
Optionally, the image information further includes cooking state information. The cooking state comprises overflow, large oil smoke and the like, the current cooking state can be identified through the image acquisition equipment, and the firepower of the gas stove is adaptively adjusted.
The method comprises the steps of identifying the type of a cookware through shape, texture and color, wherein the temperature difference between the inner surface and the outer surface of the cookware is different in different types of cookware, and for a common cast iron pot, a stainless steel pot and an aluminum pot (a single-layer pot, not a double bottom pot, not a marmite), the temperature difference between the inner surface and the outer surface of the pot bottom is almost zero.
Specifically, the temperature of the inner surface of the cooker is set to be t1The temperature of the outer surface of the cooker is t2Then t is1And t2Should satisfy the relation t1＝t2-β*t2/tcWherein, t1、t2、β、tcIs in the unit of k, tcIs the temperature of the outer surface of the pot when the water in the pot is boiling. The temperature of the outer surface of the cooker is t2Can be measured according to infrared temperature measurement.
Specifically, infrared temperature measurement is performed, and the temperature of the cookware is determined through the following formula (1):
wherein E is the energy received by the infrared detector, T is the temperature of the bottom of the cooker, α is the emissivity of the cooker, and k is the Boltzmann constant.
According to a second aspect of the embodiment of the present invention, as shown in fig. 17, there is specifically provided a control device of a gas range, including:
an obtaining unit 501, configured to obtain, through an image acquisition device, image information on a burner of a gas stove in an ignition state;
the first control unit 502 is used for controlling the operation of the gas stove according to the image information.
According to a second aspect of the embodiment of the present invention, as shown in fig. 18, there is specifically provided another control device of a gas range, including:
the voice recognition unit 501 is configured to obtain a voice command, and after comparing the voice command with a command stored in a local command set or a cloud command set, recognize that the voice command is a command for starting the image capturing device.
The identification pairing unit 503 is used for identifying and pairing the image acquisition equipment and establishing data connection;
the second control unit 504 is configured to control the image acquisition device to acquire position information of the gas stove and store the position information after determining that the burner of the gas stove is in an ignition state;
an obtaining unit 501, configured to obtain, through an image acquisition device, image information on a burner of a gas stove in an ignition state;
the first control unit 502 is configured to identify a type of a pot according to image information of the pot included in the image information, determine a temperature difference between an inner surface and an outer surface of the pot, obtain an inner surface temperature of the pot, and control a fire of the gas stove.
According to a third aspect of the embodiments of the present invention, there is provided a gas range including a gas range body and the control device described above.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention. It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, it should be understood that the disclosed methods, articles of manufacture (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment. In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
It should be understood that the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present invention. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions. The present invention is not limited to the procedures and structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (10)
1. A control method of a gas stove is provided with a liftable image acquisition device, and is characterized by comprising the following steps:
when the cooking range of the gas stove is determined to be in an ignition state, controlling the image acquisition equipment to ascend from the lower part of the top surface of the gas stove to the upper part of the top surface of the gas stove;
and when one or more cooking ranges are available, controlling the image acquisition equipment to sequentially acquire the image information on each cooking range in the ignition state according to the determined sequence that the cooking ranges are in the ignition state.
2. The control method according to claim 1, wherein the determining that the burner of the gas range is in an ignition state includes:
when a knob of the gas stove opens a gas valve, an ignition circuit is switched on, and the gas stove of the gas stove is determined to be in an ignition state; or the like, or, alternatively,
when the voltage detected by the voltage detection circuit at the two ends of the thermocouple type flameout detection device reaches a set voltage value, determining that a cooking range of the gas stove is in an ignition state; or the like, or, alternatively,
and when the circuit of the ion type flameout detection device is conducted, determining that the cooking range of the gas stove is in an ignition state.
3. The control method according to claim 1, characterized by further comprising:
and when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the kitchen range top to the lower part of the kitchen range top.
4. The control method according to claim 1, characterized by further comprising:
and controlling the operation of the gas stove according to the image information.
5. The control method according to claim 4, wherein the image information includes image information of a cooker, and the controlling the operation of the gas range according to the image information includes:
according to the image information of the cookware, the classification of the cookware is identified, the temperature difference of the inner surface and the outer surface of the cookware is determined, the inner surface temperature of the cookware is obtained, and the firepower of the gas stove is controlled.
6. A control device of a gas stove is characterized by further comprising:
the first control unit is used for controlling the image acquisition equipment to ascend from the lower part of the hearth surface of the gas stove to the upper part of the hearth surface when the cooking range of the gas stove is determined to be in an ignition state;
and the second control unit is used for controlling the image acquisition equipment to sequentially acquire the image information on each cooking range in the ignition state according to the determined sequence that the cooking ranges are in the ignition state when the number of the cooking ranges is one or more.
7. The control device of claim 6, wherein the first control unit is further configured to:
and when the image information is acquired, controlling the image acquisition equipment to descend from the upper part of the kitchen range top to the lower part of the kitchen range top.
8. The control device according to claim 6, characterized by further comprising a third control unit for: and controlling the operation of the gas stove according to the image information.
9. The control device according to claim 8, characterized in that the third control unit is specifically configured to: the image information comprises image information of a cooker, and the classification of the cooker is determined according to the image information of the cooker, so that the temperature difference of the inner surface and the outer surface of the cooker is obtained, the inner surface temperature of the cooker is obtained, and the firepower of the gas stove is controlled.
10. A gas range comprising a gas range body and an image capturing device, characterized by further comprising a control device according to any one of claims 6 to 9.
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| CN201810955746.6A CN110848753A (en) | 2018-08-21 | 2018-08-21 | Gas stove control method and device and gas stove |
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| CN201810955746.6A CN110848753A (en) | 2018-08-21 | 2018-08-21 | Gas stove control method and device and gas stove |
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