CN111856494A - Cookware state detection device and detection method - Google Patents

Cookware state detection device and detection method Download PDF

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Publication number
CN111856494A
CN111856494A CN202010559906.2A CN202010559906A CN111856494A CN 111856494 A CN111856494 A CN 111856494A CN 202010559906 A CN202010559906 A CN 202010559906A CN 111856494 A CN111856494 A CN 111856494A
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China
Prior art keywords
pot
state
controller
assembly
infrared detection
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Pending
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CN202010559906.2A
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Chinese (zh)
Inventor
陈敏
潘叶江
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Vatti Co Ltd
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Vatti Co Ltd
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Priority to CN202010559906.2A priority Critical patent/CN111856494A/en
Publication of CN111856494A publication Critical patent/CN111856494A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/88—Lidar systems specially adapted for specific applications
    • 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
    • F24C15/00—Details
    • F24C15/10—Tops, e.g. hot plates; Rings
    • F24C15/107—Pan supports or grates therefor
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only

Abstract

The invention discloses a cookware state detection device and a cookware state detection method, wherein the detection device comprises a controller, a telescopic component, a reflection component, an infrared detection component and a cookware body, the reflection component is fixed on the telescopic component and moves up and down along with the telescopic component, the infrared detection component judges the movement distance of the reflection component by emitting infrared rays and receiving infrared rays and feeds the movement distance back to the controller, and the controller is connected with the cookware body and used for controlling the firepower of the cookware. The infrared detection assembly is not physically connected with the telescopic assembly, so that the state of the pot can be judged, the infrared detection assembly has higher sensitivity compared with the traditional method for detecting the state of the pot through temperature, and the physical structure fatigue generated after the traditional physical devices such as a spring, a pressure spring, a microswitch and the like are used for a long time is avoided.

Description

Cookware state detection device and detection method
Technical Field
The invention belongs to the technical field of pot state detection, and particularly relates to a pot state detection device and a pot state detection method.
Background
The traditional method for detecting the state of the cookware on the cooker comprises the following steps: a telescopic temperature measuring probe is arranged on the stove, and detection is carried out through temperature change; the principle is as follows: when the pot leaves the pot support, the temperature measuring probe extends, and the flame can directly burn to the temperature measuring probe, so the temperature change is fast, and when the pot is placed on the pot support, the temperature measuring probe tests the temperature of the pot, the temperature change is slow, so the leaving or placing of the pot can be detected through the temperature change rate; or a spring, a pressure spring, a microswitch and the like are directly arranged on the telescopic temperature measuring probe to detect the state of the pan or the pan leaving state.
The above-mentioned state of detecting the pan has following defect: the temperature measuring probe for measuring the temperature of the pot bottom is generally in a metal armored structure, and substances such as heat-conducting silicone grease and the like are filled in the armored structure, so that the temperature measuring sensitivity of the temperature measuring probe is low, the time for detecting the state of a pot on a base or away from the pot is long, and the reaction is not too fast; and through installing the mode that pressing structures such as spring, pressure spring etc. or micro-gap switch etc. detected the seat pot or leave the pot state on temperature probe extending structure, reaction sensitivity is fast, but because spring, pressure spring, micro-gap switch etc. belong to the physics device, after the live time is long, can produce physics structure fatigue, lead to reaction sensitivity to reduce, and the reliability of judgement also can reduce.
Disclosure of Invention
In order to solve the problems, the invention provides a cookware state detection device, which determines the state of cookware through the mutual matching between a reflection assembly and an infrared detection assembly, and solves the problems of poor precision and low reliability caused by the existing detection device through a non-contact detection device.
Another objective of the present invention is to provide a method for detecting a state of a pot.
The technical scheme adopted by the invention is as follows:
The utility model provides a pan state detection device, its includes controller, flexible subassembly, reflection subassembly, infrared detection subassembly and cooking utensils body, the reflection subassembly is fixed on flexible subassembly and is reciprocated along with flexible subassembly, infrared detection subassembly judges the displacement of reflection subassembly through transmission infrared ray and receipt infrared ray, and will displacement feeds back to the controller, controller and cooking utensils body electricity are connected the firepower size that is used for controlling cooking utensils.
Preferably, the infrared detection assembly comprises a transmitting tube, a receiving tube and a partition plate, wherein the partition plate is arranged between the transmitting tube and the receiving tube; the transmitting tube transmits infrared rays, and the infrared rays are transmitted by the reflecting assembly and then received by the receiving tube.
Preferably, the reflective member comprises a metal plate.
Preferably, the detection device satisfies: hIs effective≥H；
Wherein HIs effectiveAn effective distance for the infrared detection unit to emit infrared rays, and H is a distance between the metal plate and the infrared detection unit when the telescopic unit is compressed to the lowermost position.
Preferably, the telescopic assembly comprises a shell, a fixed plate, a spring, a connecting sleeve and a supporting rod, wherein the fixed plate is arranged in the shell and fixedly connected with the shell, one end of the connecting sleeve abuts against the lower part of the fixed plate, the other end of the connecting sleeve is sleeved with the supporting rod, the spring is arranged in the connecting sleeve, one end of the spring is fixedly connected with the fixed plate, and the other end of the spring is fixedly connected with the supporting rod; the reflection assembly is fixedly connected with the connecting sleeve; the transmitting component is horizontally fixed at the bottom of the connecting sleeve.
A pot state detection method, which applies the pot state detection device, specifically comprises the following steps:
s1, detecting whether the stove body is ignited, if yes, executing S2, otherwise, continuing to detect;
s2, controlling the infrared detection assembly to work by the controller;
s3, the controller reads the signal of the infrared detection component and judges the state of the cookware according to the signal;
and S4, controlling the fire power of the cooker by the controller according to the state of the cooker.
Preferably, in S3, the controller reads a signal of the infrared detection assembly, and determines the state of the pot according to the signal, specifically:
when the controller detects that the distance between the metal plate and the infrared detection assembly is smaller than or equal to a preset distance, the state of the pan is determined to be in a pan-sitting state;
when the controller detects that the distance between the metal plate and the infrared detection assembly is greater than the preset distance, the state of the metal plate is judged to be away from the pot at the moment;
wherein, the preset distance is the distance between the metal plate and the infrared detection assembly when the round-bottom pot is placed on the pot support.
Preferably, the controller in S4 controls the fire of the cooker according to the state of the pot, specifically:
when the cooker is in a state of being away from the cooker, the controller adjusts the firepower of the cooker to be the minimum level;
When the cooker is in a pot-holding state, the controller adjusts the firepower of the cooker to the firepower when the cooker is started.
Compared with the prior art, when the pan is in a pan seating state, the telescopic component moves downwards under the action of the pressure of the pan to drive the reflection component to move downwards, and when the position where the reflection component moves downwards is enough, the infrared detection component can reflect infrared rays of the infrared detection component and return the infrared rays to the infrared detection component, namely when the infrared detection component receives the infrared rays emitted by the reflection component, the pan is proved to be in the pan seating state;
similarly, when the pan is taken down from the pan bracket, the telescopic component moves upwards due to the pressure of the pan disappears, and drives the reflection component to move upwards, when the reflection component is far enough away from the infrared detection component, the effective transmitting and receiving distance of the infrared detection component is exceeded, and at the moment, the infrared detection component cannot receive the infrared rays transmitted by the reflection component, and the pan is proved to be in a state away from the pan;
the infrared detection assembly is not physically connected with the telescopic assembly, so that the state of the pot can be judged, the infrared detection assembly has higher sensitivity compared with the traditional method for detecting the state of the pot through temperature, and the physical structure fatigue generated after the traditional physical devices such as a spring, a pressure spring, a microswitch and the like are used for a long time is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a pot state detection device provided in embodiment 1 of the present invention;
fig. 2 is a flowchart of a pot state detection method according to embodiment 2 of the present invention.
Wherein:
1. the stove comprises a controller, 2, a telescopic assembly, 3, a reflection assembly, 4, an infrared detection assembly, 5, a stove body, 21, a shell, 22, a fixing plate, 23, a spring, 24, a connecting sleeve, 25, a supporting rod, 41, a transmitting tube, 42, a receiving tube and 43, a partition plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or member to which the present invention is directed must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
The embodiment 1 of the invention provides a pot state detection device, which comprises a controller 1, a telescopic component 2, a reflection component 3, an infrared detection component 4 and a cooker body 5, wherein the reflection component 3 is fixed on the telescopic component 2 and moves up and down along with the telescopic component 2, the infrared detection component 4 judges the moving distance of the reflection component 3 by emitting infrared rays and receiving infrared rays and feeds the moving distance back to the controller 1, and the controller 1 and the cooker body 5 are electrically connected for controlling the firepower of a cooker;
thus, by adopting the structure, when the cooker is in a pot-sitting state, the cooker is abutted against the upper part of the telescopic component 2, the telescopic component 2 moves downwards under the action of the pressure of the cooker to drive the reflection component 3 to move downwards, when the moving position of the reflection component 3 is downward enough, the infrared ray emitted by the infrared detection component 4 can be reflected by the reflection component, and the infrared ray is returned to the infrared detection component 4, namely when the infrared detection component 4 receives the infrared ray emitted by the reflection component, the cooker is proved to be in the pot-sitting state, and then the controller 1 adjusts the fire intensity of the cooker according to the signal fed back by the infrared detection component 4;
Similarly, when taking down the pan from the pot support, because the pressure of pan disappears, flexible subassembly 2 moves upwards, drive reflection component 3 rebound, when reflection component 3 is far away enough from infrared detection subassembly 4, it has surpassed infrared detection subassembly 4's effective transmission and receiving distance, infrared detection subassembly 4 will not receive the infrared ray of transmitting through the reflection component this moment, then prove that the pan is in from the pot state, the regulation of cooking utensils firepower size is carried out according to the signal that infrared detection subassembly 4 fed back to controller 1 this moment.
The infrared detection assembly 4 comprises a transmitting tube 41, a receiving tube 42 and a partition plate 43, wherein the partition plate 43 is arranged between the transmitting tube 41 and the receiving tube 42;
thus, the transmitting tube 41 transmits infrared rays, and the infrared rays are transmitted by the reflecting component 3 and then received by the receiving tube 42;
wherein, the partition 43 is used to block the infrared rays emitted from the emission tube 41 from being directly received by the receiving tube 42 without being reflected by the reflection assembly 3.
The reflection assembly 3 comprises a metal plate;
it should be noted that: the emitting member 3 is used to reflect infrared rays, and is not limited to the metal plate in the present embodiment as long as it can reflect infrared rays.
The detection device satisfies the following conditions: hIs effective≥H；
Wherein H Is effectiveAn effective distance for infrared ray emission from the infrared detection unit 4, and H is a distance between the metal plate and the infrared detection unit 4 when the telescopic unit 2 is compressed to the lowest position;
the above pair HIs effectiveThe reason why the size relationship with H is defined is that:
not all pots are placed on the pot support with the rear telescopic assembly 2 compressed to the lowest position, for example:
as shown in fig. 1, the lowest position where the metal plate fixed on the telescopic assembly 2 can descend is set as a, the distance is set as B, the distance between the upper surface of the infrared detection assembly and the point a is set as H, and the effective distance of infrared detection is generally set to be greater than H, because the telescopic assembly 2 can reach the position a when not all cookware is placed on the cookware support; for example place on the pot support with the pan and place on the pot support with the round bottom pot and compare, telescopic component 2 is compressed less when the pan is placed than the round bottom pot, and consequently the metal sheet probably descends to position D when the pan is placed on the pot support, and the upper surface of infrared detection component 4 establishes to E with the distance of position D department, then can set up infrared detection component 4 transmission infrared effective distance HIs effectiveE, when the metal plate moves to the position D and below, i.e. any position between the positions a and D, the infrared detection assembly 4 can detect that the metal plate moves between the positions a and D, the controller 1 can determine the pot-sitting behavior, and when the metal plate is above the position D, the infrared detection assembly 4 cannot detect the position of the metal plate because of being out of the effective distance of the infrared detection, and at this time, the controller 1 can determine the pot-leaving behavior, and further adjust the fire according to the state of the pot.
The telescopic assembly 2 comprises a shell 21, a fixing plate 22, a spring 23, a connecting sleeve 24 and a supporting rod 25, wherein the fixing plate 22 is arranged in the shell 21 and fixedly connected with the shell 21, one end of the connecting sleeve 24 is abutted against the lower part of the fixing plate 22, the other end of the connecting sleeve 24 is sleeved with the supporting rod 25, the spring 23 is arranged in the connecting sleeve 24, one end of the spring 23 is fixedly connected with the fixing plate 22, and the other end of the spring 23 is fixedly connected with the supporting rod 25; the launching assembly 5 is horizontally fixed at the bottom of the connecting sleeve 24;
thus, when the pot is placed on the pot support, the housing 21 moves downwards, and at this time, the fixing plate 22 and the connecting sleeve 24 move downwards along with the housing 21, thereby compressing the spring 23, and the connecting sleeve 24 moves downwards along the supporting rod 25;
when the cooker is taken down, the spring 23 is reset, the upper end of the spring pushes the shell 21 and the fixing plate 22 to move upwards, and the bottom of the spring pulls the support rod 25 to move upwards to reset the whole telescopic assembly 2.
The pan state detection device that this embodiment provided, the process that specifically detects does:
when the infrared detection component 4 can detect the infrared rays reflected by the metal plate, the cookware is judged to be in a seated state; the specific principle is as follows: after the pan is seated, the shell 21 moves downwards under the action of the gravity of the pan, at this time, the fixing plate 22 and the connecting sleeve 24 move downwards along with the shell 21, the spring 23 is further compressed, the connecting sleeve 24 moves downwards along the supporting rod 25, and the metal plate is fixed on the connecting sleeve 24, so that the metal plate moves downwards, infrared rays emitted by the emitting tube 41 are received by the receiving tube 42 after being emitted by the reflecting assembly 3, and at this time, the condition that the metal plate is lowered enough is proved to be the pan seating state;
When the infrared detection component 4 cannot detect the infrared rays reflected by the metal plate, the pot is judged to be in a state of leaving the pot; the specific principle is as follows: after the pan leaves the pan, the pressure of the pan disappears, the spring 23 resets, the upper end of the spring pushes the shell 21 and the fixed plate 22 to move upwards, the bottom pulls the support rod 25 to move upwards, the fixed plate 22 and the connecting sleeve 24 are fixed, therefore, the connecting sleeve 24 moves upwards, the metal plate is fixed on the connecting sleeve 24, the metal plate moves upwards, when the moving distance of the metal plate is far enough to exceed the effective transmitting and receiving distance of the infrared detection assembly 4, the infrared detection assembly 4 cannot receive the infrared rays transmitted by the reflection assembly, and the pan is proved to be in a state of leaving the pan.
Example 2
An embodiment 2 of the present invention provides a method for detecting a state of a cookware, as shown in fig. 2, to which the cookware state detection apparatus of embodiment 1 is applied, which specifically includes the following steps:
s1, detecting whether the stove body 5 is ignited, if yes, executing S2, otherwise, continuing to detect;
s2, the controller 1 controls the infrared detection assembly 4 to work;
s3, the controller 1 reads the signal of the infrared detection component 4 and judges the state of the cookware according to the signal;
And S4, the controller 1 controls the fire power of the cooker according to the state of the cooker.
Like this, infrared detection subassembly 4 does not carry out physical connection with flexible subassembly 2 and advances the state that can judge the pan, and it has higher sensitivity for traditional through the temperature detection pan state, and has avoided the physical structure fatigue that produces after physical devices such as traditional spring, pressure spring, micro-gap switch used for a long time.
Specifically, in S3, the controller 1 reads a signal of the infrared detection assembly 4, and determines the state of the pot according to the signal, specifically:
when the controller 1 detects that the distance between the metal plate and the infrared detection assembly 4 is smaller than or equal to a preset distance, the state of the pan is determined at the moment;
when the controller 1 detects that the distance between the metal plate and the infrared detection assembly 4 is greater than the preset distance, the state of being away from the pot is judged;
wherein the preset distance is the distance between the metal plate and the infrared detection assembly 4 when the round-bottom pot is placed on the pot support;
because place on the pot support with the pan and place on the pot support with the round bottom pot and compare, flexible subassembly 2 is compressed less when the pan is placed than the round bottom pot, consequently places the round bottom pot on the pot support between metal sheet and the infrared detection subassembly 4 apart from as predetermineeing the distance, can avoid predetermineeing the distance undersize and lead to the judgement that can't carry out the pan state when the user uses the pan.
The controller 1 in S4 controls the firepower size of cooking utensils according to the state of pan, specifically is:
when the cooker is in a state of being away from the cooker, the controller 1 adjusts the firepower of the cooker to be the minimum level;
when the cooker is in a state of being seated, the controller 1 adjusts the firepower of the cooker to the firepower when the cooker is started.
Specifically, in the gas stove with the pot state detection device according to embodiment 1, the fire size is adjusted by the motor valve or the proportional valve, and is set to 7-stage fire, wherein 7-stage fire is the largest, 1-stage fire is the smallest, the maximum distance B that the metal plate on the telescopic assembly 2 can descend is 25mm, and the preset distance E is 15 mm.
When the pan was put on the pot support, the consumer started the gas-cooker and was lighted and adjusted 6 shelves to the firepower gear, when controller 1 detected there is ignition signal, controller 1 sent the instruction of igniting for some firearm and igniteing to adjust 6 shelves with the firepower size, after the completion of igniteing, controller 1 controlled infrared detection subassembly 4 work: starting the transmitting tube 41 to transmit infrared signals, receiving the reflected signals by the receiving tube 42, reading the signals of the infrared detection assembly 4 by the controller 1, and judging that the pan is in a pan seating state at the moment according to the signals that the pan is placed on the pan support and the baffle is lowered to a position between the position A and the position D, namely the distance between the upper surface of the infrared detection assembly 4 and the metal plate is less than 15mm, and maintaining the current firepower of 6 grades;
When the current cooking of a consumer is finished and the next cooking is carried out by washing the pot, the telescopic component 2 ascends at the moment that the pot is taken away, so that the metal plate ascends, the distance between the upper surface of the infrared detection component 4 and the metal plate is 15mm, the distance exceeds the effective distance (namely the preset distance) of the infrared identification of the infrared detection component 4, the controller 1 judges that the pot is away at the moment according to the distance, and the firepower gear is adjusted to 1 grade;
after the consumer washes the pot, when placing the pot on the pot support, the metal sheet descends again between position A and position D this moment, namely the distance between infrared detection subassembly 4 upper surface and the baffle is less than 15mm, and controller 1 judges this moment is the seat pot state, and controller 1 control gas adjusting device is adjusted the firepower gear to resume 6 grades of firepower before.
The detection of pan state is carried out through infrared detection subassembly to this embodiment belongs to non-contact detection mode, does not carry out physical connection with flexible subassembly, consequently can not produce physical structure fatigue, has the reliability of heightening.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. The utility model provides a pan state detection device, its characterized in that, it includes controller (1), flexible subassembly (2), reflection assembly (3), infrared detection subassembly (4) and cooking utensils body (5), reflection assembly (3) are fixed on flexible subassembly (2) and reciprocate along with flexible subassembly (2), infrared detection subassembly (4) are through the transmission infrared ray and receive the infrared ray and judge the displacement of reflection assembly (3), and will displacement feeds back to controller (1), the firepower size that is used for controlling cooking utensils is connected to controller (1) and cooking utensils body (5) electricity.
2. A pot condition detecting device according to claim 1, characterized in that the infrared detecting assembly (4) comprises a transmitting tube (41), a receiving tube (42) and a partition plate (43), the partition plate (43) is arranged between the transmitting tube (41) and the receiving tube (42); the transmitting tube (41) transmits infrared rays, and the infrared rays are transmitted by the reflecting component (3) and then received by the receiving tube (42).
3. A pot condition detecting device according to claim 2, characterized in that the reflecting assembly (3) comprises a metal plate.
4. A pot condition detecting device according to claim 3, characterized in that the detecting device satisfies: h Is effective≥H；
Wherein HIs effectiveFor emitting infrared detection components (4)And the effective distance H of the infrared ray is the distance between the metal plate and the infrared detection assembly (4) when the telescopic assembly (2) is compressed to the lowest position.
5. A pot state detection device according to any of claims 1-4, characterized in that the telescopic assembly (2) comprises a housing (21), a fixing plate (22), a spring (23), a connecting sleeve (24) and a support rod (25), the fixing plate (22) is arranged in the housing (21) and fixedly connected with the housing (21), one end of the connecting sleeve (24) abuts under the fixing plate (22), the other end is sleeved with the support rod (25), the spring (23) is arranged in the connecting sleeve (24), one end of the spring (23) is fixedly connected with the fixing plate (22), and the other end is fixedly connected with the support rod (25); the reflection assembly (3) is fixedly connected with the connecting sleeve (24); the emission component (5) is horizontally fixed at the bottom of the connecting sleeve (24).
6. A pot state detection method, characterized in that, the pot state detection device of any claim 1-5 is applied, which comprises the following steps:
s1, detecting whether the stove body (5) is ignited, if yes, executing S2, otherwise, continuing to detect;
S2, the controller (1) controls the infrared detection assembly (4) to work;
s3, the controller (1) reads the signal of the infrared detection component (4) and judges the state of the cookware according to the signal;
s4, the controller (1) controls the fire power of the cooker according to the state of the cooker.
7. The method for detecting a state of a pot according to claim 6, wherein the controller (1) reads a signal of the infrared detection assembly (4) in the step S3, and determines the state of the pot according to the signal, specifically:
when the controller (1) detects that the distance between the metal plate and the infrared detection assembly (4) is smaller than or equal to a preset distance, the state of the pan is determined to be in a pan-sitting state; when the controller (1) detects that the distance between the metal plate and the infrared detection assembly (4) is greater than the preset distance, the state of the metal plate is judged to be away from the pot at the moment;
wherein, the preset distance is the distance between the metal plate and the infrared detection component (4) when the round-bottom pot is placed on the pot support.
8. The method for detecting the state of a pot according to claim 6 or 7, wherein the controller (1) in S4 controls the fire of the pot according to the state of the pot, specifically:
when the cooker is in a state of being away from the cooker, the controller (1) adjusts the firepower of the cooker to be the minimum level;
When the cooker is in a pot-seating state, the controller (1) adjusts the firepower of the cooker to the firepower when the cooker is started.
CN202010559906.2A 2020-06-18 2020-06-18 Cookware state detection device and detection method Pending CN111856494A (en)

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TWI572828B (en) * 2015-08-28 2017-03-01 台灣櫻花股份有限公司 Cooking pot monitoring apparatus and method thereof for gas stove
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