CN111853863A - Cookware state detection device and detection method for kitchen range - Google Patents
Cookware state detection device and detection method for kitchen range Download PDFInfo
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- CN111853863A CN111853863A CN202010561067.8A CN202010561067A CN111853863A CN 111853863 A CN111853863 A CN 111853863A CN 202010561067 A CN202010561067 A CN 202010561067A CN 111853863 A CN111853863 A CN 111853863A
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000010411 cooking Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 2
- 230000004044 response Effects 0.000 claims description 2
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 239000000523 sample Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000005669 field effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
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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
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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
- F24C15/00—Details
- F24C15/10—Tops, e.g. hot plates; Rings
- F24C15/107—Pan supports or grates therefor
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V8/00—Prospecting or detecting by optical means
- G01V8/10—Detecting, e.g. by using light barriers
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Abstract
The invention discloses a cookware state detection device and a cookware state detection method for a cooker, wherein the detection device comprises a controller, a telescopic component, a light source component, a photosensitive device component and a cooker body, the light source component is fixed on the telescopic component and moves up and down along with the telescopic component, the photosensitive device component senses light of the light source component and controls the on-off of the photosensitive device component through the light, and the controller is connected with the cooker body and used for controlling the fire of the cooker according to the on-off of the photosensitive device component. According to the invention, the state of the cookware is determined by the mutual matching between the light source component and the photosensitive device component, and the state of the cookware can be judged without physically connecting the photosensitive device component and the telescopic component, so that the cookware detection device has higher sensitivity compared with the traditional cookware detection method through temperature detection, and avoids 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.
Description
Technical Field
The invention belongs to the technical field of pot state detection, and particularly relates to a pot state detection device and method for a stove.
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 for a cooker, which determines the state of cookware through the mutual matching between a light source component and a photosensitive component.
The invention also aims to provide a pot state detection method for the cooker.
The technical scheme adopted by the invention is as follows:
the utility model provides a pan state detection device for cooking utensils, its includes controller, flexible subassembly, light source subassembly, photosensitive device subassembly and cooking utensils body, the light source subassembly is fixed on flexible subassembly and reciprocates along with flexible subassembly, the light of photosensitive device subassembly response light source subassembly, and pass through the break-make of light control photosensitive device subassembly, controller and cooking utensils body electricity are connected and are used for the firepower size according to the on-off control cooking utensils of photosensitive device subassembly.
Preferably, when the pot is in a pot-seating state, the detection window of the photosensor assembly and the light source assembly are in the same horizontal plane.
Preferably, the photosensitive device component is one of a photoresistor, a photodiode, a phototriode, a photosensitive field effect transistor and a photoelectric coupler.
Preferably, the light source assembly comprises an LED lamp and a fixed support, and the LED lamp is fixed on the telescopic assembly through the fixed support.
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 fixed support is fixedly connected with the connecting sleeve.
A pot state detection method for a kitchen range, which applies the pot state detection device for the kitchen range, specifically comprises the following steps:
s1, detecting whether the stove body is ignited, if yes, executing S2, otherwise, continuing to detect;
s2, controlling the light source component to work by the controller;
s3, the controller reads the information of the photosensitive device assembly and judges the state of the cookware according to the information;
and S4, controlling the fire power of the cooker by the controller according to the state of the cooker.
Preferably, the controller reads information of the photosensor assembly, and determines the state of the pot according to the information, specifically:
When the photosensitive device assembly is in a conducting state, the cooker is judged to be in a pot-holding state;
when the photosensitive device assembly is in a closed state, the cooker is judged to be in a cooker-leaving state.
Preferably, when the photosensitive device assembly is in a conducting state, it is determined that the pot is in a pot holding state, specifically: when the photosensitive device assembly is continuously in a conducting state within a fixed time, the cooker is judged to be in a pot-holding state;
when the photosensitive device subassembly is in the closed condition, then judge the pan and be for leaving the pot state, specifically do: when the photosensitive device assembly is continuously in a closed state within a fixed time, the cooker is judged to be in a cooker-leaving state.
Preferably, the fixed time is 1-3 s.
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 cooker is used, the telescopic component moves downwards under the action of the pressure of the cooker when the cooker is in a cooker-seating state, the light source component is driven to move downwards, when the light source component moves to the detection window of the photosensitive component, the photosensitive component is conducted due to the irradiation of light, and then the controller receives a conducting signal and then adjusts the fire power of the cooker; then, when the cooker is in a state of leaving the cooker, the telescopic component moves upwards due to the fact that the pressure of the cooker disappears, the light source component is driven to move upwards, the light source component is far away from a detection window of the photosensitive device component, the photosensitive device component is in a closed state at the moment, and the controller adjusts the fire power of the cooker to be minimum after receiving a closing signal;
The photosensitive device assembly is not physically connected with the telescopic assembly, so that the state of the pot can be judged, the sensitivity is higher compared with the traditional pot state detection 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 for a cooking utensil provided in embodiment 1 of the present invention;
fig. 2 is a flowchart of a pot state detection method for a cooking appliance according to embodiment 2 of the present invention.
Wherein:
1. the range comprises a controller, 2, a telescopic component, 3, a light source component, 4, a photosensitive device component, 5, a range body, 21, a shell, 22, a fixing plate, 23, a spring, 24, a connecting sleeve, 25, a supporting rod, 31, an LED lamp and 32, and a fixing support.
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 cookware state detection device for a cooker, which comprises a controller 1, a telescopic component 2, a light source component 3, a photosensitive device component 4 and a cooker body 5, wherein the light source component 3 is fixed on the telescopic component 2 and moves up and down along with the telescopic component 2, the photosensitive device component 4 senses light of the light source component 3 and controls the on-off of the photosensitive device component 4 through the light, and the controller 1 and the cooker body 5 are electrically connected and used for controlling the fire of the cooker according to the on-off of the photosensitive device component 4;
thus, by adopting the structure, when the cooker is in a cooker-seating 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 light source component 3 to move downwards, when the light source component 3 moves to the detection window of the photosensitive device component 4, the photosensitive device component 4 is conducted due to the irradiation of light, and then the controller 1 receives a conducting signal and then adjusts the fire power of the cooker;
Later, when the pan was in when leaving the pot state, because the pressure of pan disappears, flexible subassembly 2 rebound drives 3 parts of light source group rebound, makes light source subassembly 3 keep away from the detection window of photosensitive device subassembly 4, and photosensitive device subassembly 4 was in the closed condition this moment, and the firepower size that receives 1 at this moment and receive after the shut-off signal with the cooking utensils is adjusted to minimum.
When the pot is in a pot-seating state, the detection window of the photosensitive device assembly 4 and the light source assembly 3 are positioned on the same horizontal plane;
thus, the photosensitive device assembly 4 can completely sense the light irradiation when the pan is seated, and the conduction delay or insensitivity caused by insufficient light source intensity is avoided.
The photosensitive device component 4 is one of a photoresistor, a photosensitive diode, a photosensitive triode, a photosensitive field effect transistor and a photoelectric coupler;
the photosensor assembly 4 is not limited to the above-described components, and any components having a photosensitive induction function may be used in the present embodiment.
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;
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 light source assembly 3 comprises an LED lamp 31 and a fixing bracket 32, and the LED lamp 31 is fixed on the telescopic assembly 2 through the fixing bracket 32;
specifically, the fixing bracket 32 is fixed at the bottom of the connecting sleeve 24 and on the same side as the photosensor assembly 4, and the LED lamp 31 is fixed on the fixing bracket 32;
when the connecting sleeve 24 moves downwards under the pressure of the spring, the fixing bracket 32 is driven to move downwards, and the LED lamp 31 is further driven to move downwards;
when the connecting sleeve 24 moves upward under the restoring force of the spring, the fixing bracket 32 is driven to move upward, so that the LED lamp moves upward.
When the pan state detection device for a cooking utensil provided by the embodiment is used for detecting the state of a pan, the specific detection process is as follows:
when the stove body 5 starts to work, the controller 1 controls the LED lamp 31 to work;
When the photosensitive device assembly 4 is in a conducting state, the cooker is judged to be in a pot-holding state; the specific principle is as follows: after the cooker is placed, the outer shell 21 moves downwards under the action of the gravity of the cooker, at the moment, the fixing plate 22 and the connecting sleeve 24 move downwards along with the outer shell 21, the spring 23 is further compressed, the connecting sleeve 24 moves downwards along the supporting rod 25, the fixing support 32 is fixed on the connecting sleeve 24, the fixing support 32 moves downwards, the LED lamp 31 further moves downwards to the detection window of the photosensitive device assembly 4, and at the moment, the photosensitive device assembly 4 is conducted under the irradiation of the LED lamp 31;
when the photosensitive device assembly 4 is in a closed state, the cooker is judged to be in a state of leaving the cooker; the specific principle is as follows: after the LED lamp leaves the pot, the pressure of the pot disappears, the spring 23 resets, the upper end of the spring pushes the shell 21 and the fixing plate 22 to move upwards, the bottom pulls the supporting rod 25 to move upwards, the fixing plate 22 and the connecting sleeve 24 are fixed, therefore, the connecting sleeve 24 moves upwards, the fixing support 32 is fixed on the connecting sleeve 24, the fixing support 32 moves upwards to drive the fixing support 32 to move upwards, the LED lamp further moves upwards, at the moment, the light source assembly 3 is far away from the detection window of the photosensitive device assembly 4, and the photosensitive device assembly 4 is in a closed state when the light source cannot be sensed by the photosensitive device assembly 4.
Example 2
An embodiment 2 of the present invention provides a method for detecting a state of a pot for a cooker, as shown in fig. 2, in which the device for detecting a state of a pot for a cooker described in embodiment 1 is applied, and 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 light source component 3 to work;
s3, the controller 1 reads the information of the photosensitive device assembly 4 and judges the state of the cookware according to the information;
and S4, the controller 1 controls the fire power of the cooker according to the state of the cooker.
Like this, photosensitive device subassembly 4 does not carry out the physical connection with flexible subassembly 2 and advances the state that can judge the pan, and it has higher sensitivity for traditional pot state through temperature detection, 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, the controller 1 in S3 reads the information of the photosensor assembly 4, and determines the state of the pot according to the information, specifically:
when the photosensitive device assembly 4 is in a conducting state, the cooker is judged to be in a pot-holding state;
when the photosensitive device assembly 4 is in a closed state, the cooker is judged to be in a state of leaving the cooker;
When the cooker is in a cooker-holding state, the telescopic component 2 moves downwards under the action of the pressure of the cooker to drive the light source component 3 to move downwards, and when the light source component 3 moves to a detection window of the photosensitive device component 4, the photosensitive device component 4 is conducted due to the irradiation of light;
later, when the pan was in when leaving the pot state, because the pressure of pan disappears, flexible subassembly 2 rebound drives light source subassembly 3 rebound, makes light source subassembly 3 keep away from the detection window of photosensitive device subassembly 4, and photosensitive device subassembly 4 was in the closed condition this moment.
In addition, when the photosensitive device assembly 4 is in the on state, it is determined that the pot is in the pot-holding state, specifically: when the photosensitive device assembly 4 is continuously in a conducting state within a fixed time, the cooker is judged to be in a pot-holding state;
when the photosensitive device assembly 4 is in the closed state, it is determined that the pot is in the pot-leaving state, specifically: when the photosensitive device assembly 4 is continuously in a closed state within a fixed time, the cooker is judged to be in a cooker-leaving state;
the fixed time is 1-3 s.
In addition, the controller 1 in S4 controls the fire of the cooker according to the state of the cooker, 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 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 in embodiment 1, the fire power is adjusted through the motor valve or the proportional valve and is set to be 7-gear fire power, wherein the 7-gear fire power is the largest, the 1-gear fire power is the smallest, and the photosensitive device assembly 4 adopts a photosensitive diode;
when the cooker is placed on the cooker support, a consumer starts the gas stove to ignite and adjusts the firepower gear to 7; when the controller 1 detects that an ignition signal exists, the controller 1 sends an ignition instruction to the igniter for ignition, the controller 1 adjusts the firepower to 7 grades, after the ignition is finished, the controller 1 controls the LED lamp 31 to work, the controller 1 reads a signal of the photosensitive diode, as the cooker is placed on the cooker support, the LED lamp 31 is positioned at the position of the detection window, the signal of the photosensitive diode is in a signal state when the photoelectric device is conducted, the controller 1 judges that the cooker is in a cooker holding state at the moment, and the current firepower of 7 grades is maintained;
when the current cooking of a consumer is finished and the next cooking is carried out by washing the pot, at the moment that the pot is taken away, the telescopic assembly 2 ascends to drive the LED lamp 31 to ascend to enable the LED lamp to be far away from the position of the detection window, the signal of the photosensitive diode is the signal state when the photoelectric device is closed, the controller 1 judges that the LED lamp is in the pot leaving state at the moment, and the controller 1 adjusts the firepower to be small fire of 1 grade;
When the consumer has washed the pot and places the pot on the pot support, the LED lamp 31 descends to the position of the detection window, the signal of the photodiode is the signal state when the photoelectric device is conducted, the controller 1 judges that the pot is in the state, and the firepower is restored to the previous 7 firepower.
The embodiment carries out the detection of pan state through photosensitive element, 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 (10)
1. The utility model provides a pan state detection device for cooking utensils, its characterized in that, it includes controller (1), flexible subassembly (2), light source subassembly (3), photosensitive device subassembly (4) and cooking utensils body (5), light source subassembly (3) are fixed on flexible subassembly (2) and reciprocate along with flexible subassembly (2), photosensitive device subassembly (4) response light of light source subassembly (3), and pass through the break-make of light control photosensitive device subassembly (4), controller (1) and cooking utensils body (5) electricity are connected and are used for the firepower size according to the on-off control cooking utensils of photosensitive device subassembly (4).
2. The pot state detection device for cookers as claimed in claim 1, wherein the detection window of the photosensor assembly (4) is at the same level as the light source assembly (3) when the pot is in the seated state.
3. The pot state detection device for cookers as claimed in claim 2, wherein the photosensor assembly (4) is one of a photo resistor, a photodiode, a phototriode, a photo fet, and a photo coupler.
4. A pot status detection device for cookers according to any of claims 1-3, characterized in that the light source assembly (3) comprises an LED lamp (31) and a fixed bracket (32), the LED lamp (31) being fixed on the telescopic assembly (2) by the fixed bracket (32).
5. The pot state detection device for the cooker as claimed in claim 4, wherein 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 against the lower side of the fixing plate (22), the other end of the connecting sleeve 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 of the spring is fixedly connected with the support rod (25); the fixed support (32) is fixedly connected with the connecting sleeve (24).
6. A method for detecting a state of a pot for a cooker, characterized in that it applies the pot state detection device for a cooker of any one of claims 1 to 5, comprising the steps of:
s1, detecting whether the stove body (5) is ignited, if yes, executing S2, otherwise, continuing to detect;
s2, controlling the light source assembly (3) to work by the controller (1);
s3, the controller (1) reads the information of the photosensitive device assembly (4) and judges the state of the cookware according to the information;
s4, the controller (1) controls the fire power of the cooker according to the state of the cooker.
7. The method for detecting the state of a pot on a cooker as claimed in claim 6, wherein the controller (1) reads the information of the photosensor assembly (4) in S3, and determines the state of the pot according to the information, specifically:
when the photosensitive device assembly (4) is in a conducting state, the cooker is judged to be in a pot-holding state;
when the photosensitive device assembly (4) is in a closed state, the cooker is judged to be in a state of leaving the cooker.
8. The pot state detection method for the kitchen range according to claim 7, wherein when the photosensor assembly (4) is in the on state, it is determined that the pot is in a seated state, specifically: when the photosensitive device assembly (4) is continuously in a conducting state within a fixed time, the cooker is judged to be in a pot-holding state;
When the photosensitive device assembly (4) is in a closed state, the cooker is judged to be in a state of leaving the cooker, and the method specifically comprises the following steps: when the photosensitive device assembly (4) is continuously in a closed state within a fixed time, the cooker is judged to be in a cooker-leaving state.
9. The pot state detection method for cookers of claim 8, wherein the fixed time is 1-3 s.
10. The method for detecting the state of a pot for a kitchen range according to any one of claims 6 to 9, wherein the controller (1) controls the fire of the kitchen range according to the state of the pot in S4, 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.
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| CN202010561067.8A CN111853863A (en) | 2020-06-18 | 2020-06-18 | Cookware state detection device and detection method for kitchen range |
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| CN202010561067.8A CN111853863A (en) | 2020-06-18 | 2020-06-18 | Cookware state detection device and detection method for kitchen range |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113847626A (en) * | 2021-09-03 | 2021-12-28 | Tcl家用电器（中山）有限公司 | Cooking appliance and installation method thereof |
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