CN113237109B - Smoke and stove coordinated control device, kitchen range and range hood - Google Patents
Smoke and stove coordinated control device, kitchen range and range hood Download PDFInfo
- Publication number
- CN113237109B CN113237109B CN202110596780.0A CN202110596780A CN113237109B CN 113237109 B CN113237109 B CN 113237109B CN 202110596780 A CN202110596780 A CN 202110596780A CN 113237109 B CN113237109 B CN 113237109B
- Authority
- CN
- China
- Prior art keywords
- temperature
- judges
- gas
- temperature sensor
- current
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- F24C15/20—Removing cooking fumes
- F24C15/2042—Devices for removing cooking fumes structurally associated with a cooking range e.g. downdraft
-
- 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
- F24C15/20—Removing cooking fumes
- F24C15/2021—Arrangement or mounting of control or safety systems
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
- Ventilation (AREA)
Abstract
The invention relates to a smoke stove linkage control device, a kitchen range and a range hood, which are used for the kitchen range and the range hood which can be in linkage control, wherein a gas inlet pipeline is arranged in the kitchen range, a gas pipe joint is arranged on the gas inlet pipeline, and the smoke stove linkage control device is characterized in that: including with the gas pipe coupling contact, be used for detecting the first temperature sensor of gas pipe coupling temperature, the judgement subassembly of being connected with first temperature sensor electricity, judge the subassembly and can judge whether have the gas circulation in the gas pipe coupling when the temperature value that first temperature sensor gathered appears changing to judge cooking utensils and be in the open mode or the closed mode. Compared with the prior art, the invention does not need to change the connection state of the gas pipe and the kitchen range, does not damage and additionally increase joints, can be matched with any brand of kitchen ranges to judge the on-off state or even the firepower of the kitchen range, further adjusts the state of the smoke machine, and has quick response and high reliability.
Description
Technical Field
The invention relates to a smoke stove linkage control device, and a stove and a range hood adopting the smoke stove linkage control device.
Background
The range hood is an electrical appliance necessary for people to cook and absorb oil smoke in daily life, and a combo product with a smoke stove linkage function is more and more popular in recent years. On one hand, the linked set meal products are often products of specific models of part manufacturers, even if a user selects the range hood and the kitchen range of the same manufacturer, the collocation of the range hood and the kitchen range is still limited, and in any case, the user also needs to select the range hoods and the kitchen ranges of two different manufacturers. On the other hand, the partial products utilize the infrared temperature measuring elements installed on the range hood to perform non-contact temperature measurement on the pan, the furnace end and the like above the kitchen range, and the opening and closing state of the kitchen range is judged according to the temperature change, so that the range hood is controlled to open and close or adjust the gear of the fan, but the ubiquitous problems of the existing infrared temperature measurement are as follows: the infrared temperature measuring element measures the average temperature in a large area of the table top of the kitchen range, the influence of the instantaneous local temperature rise of the kitchen range on the average temperature in the area range is small, the measured temperature after the cooker cover is covered is easy to average in the low-temperature area around, the situation of mistaken shutdown judgment exists in a large quantity, and even the situation of shutdown of the range hood in midway during cooking can be possibly caused, so that the actual operation of a user is inconvenient. In addition, the temperature measurement mode is to adjust the state of the range hood by calculating the opening and closing of the range after the regional temperature changes, and the judgment of the essential information is lagged compared with the real on-off of the range.
Disclosure of Invention
The first technical problem to be solved by the invention is to provide a smoke stove linkage control device which does not need to change the structure of the existing stove, can be suitable for all types of stoves, and has quick response and high reliability.
The second technical problem to be solved by the present invention is to provide a cooking stove using the smoke stove linkage control device in view of the above prior art.
The third technical problem to be solved by the present invention is to provide a range hood using the smoke range linkage control device in view of the above prior art.
The technical scheme adopted by the invention for solving the first technical problem is as follows: the utility model provides a cigarette kitchen coordinated control device for can coordinated control's cooking utensils and range hood, wherein be equipped with the gas air inlet pipeline in the cooking utensils, be provided with gas pipe joint, its characterized in that on the gas air inlet pipeline: including with the gas pipe joint contact, be used for detecting the first temperature sensor of gas pipe joint temperature, the judgement subassembly of being connected with a temperature sensor electricity, judge the subassembly can appear when changing in the temperature value that first temperature sensor gathered, judge whether have the gas circulation in the gas pipe joint to judge cooking utensils and be in the open mode or closed mode.
There are various methods for judging whether the assembly judges that the cooker is in an open state or a closed state, wherein one of the better modes is as follows:
if the absolute value of the difference between the current real-time temperature and the last real-time temperature is smaller than a first temperature threshold value, the judgment component judges that no gas flows in the gas pipe joint and judges that the cooker is in a closed state;
if the absolute value of the difference between the current real-time temperature and the last real-time temperature is larger than or equal to a first temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint and judges that the cooker is in an opening state.
If the absolute value of the difference between the current real-time temperature and the last real-time temperature is greater than or equal to the first temperature threshold, the judging component continues to make the following judgment:
if the current real-time temperature is greater than or equal to the last real-time temperature, judging that the assembly outputs the kitchen range fault information; if the current real-time temperature is lower than the last real-time temperature and the absolute value of the difference between the current real-time temperature and the last real-time temperature is larger than a third temperature threshold value, the judgment component judges that gas flows in the gas pipe joint and judges that the cooker is in a large-fire state during opening; if the current real-time temperature is lower than the last real-time temperature and the absolute value of the difference between the current real-time temperature and the last real-time temperature is smaller than or equal to a third temperature threshold value and is larger than or equal to a second temperature threshold value, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a middle fire state during opening; if the current real-time temperature is lower than the last real-time temperature and the absolute value of the difference between the current real-time temperature and the last real-time temperature is lower than a second temperature threshold value, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a small-firepower state during opening; the third temperature threshold is greater than the second temperature threshold and greater than the first temperature threshold.
The other better mode that whether the judging component judges that the cooking utensil is in an opening state or a closing state is as follows: comparing the current real-time temperature acquired by the first temperature sensor with a temperature value detected when the cooker is not started recently, and if the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started recently is smaller than a first temperature threshold value, judging that no gas circulates in a gas pipe joint by the judgment component and judging that the cooker is in a closed state; if the absolute value of the difference between the current real-time temperature and the temperature value detected when the stove is not started recently is larger than or equal to a first temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint and judges that the stove is in an open state.
If the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooking utensil is not started up recently is larger than or equal to the first temperature threshold value, the judging component continues to make the following judgment:
if the current real-time temperature is more than or equal to the temperature value detected when the kitchen range is not started recently, the judgment component outputs the kitchen range fault information; if the current real-time temperature is less than the temperature value detected when the cooker is not started recently, and the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started recently is greater than a third temperature threshold value, the judgment component judges that gas flows in a gas pipe joint and judges that the cooker is in a high-fire state during opening; if the current real-time temperature is less than the temperature value detected when the cooker is not started recently, and the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started recently is less than or equal to a third temperature threshold value and is greater than or equal to a second temperature threshold value, the judgment component judges that gas flows in the gas pipe joint, and judges that the cooker is in a middle fire state during opening; if the current real-time temperature is less than the temperature value detected when the cooker is not started recently, and the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started recently is less than a second temperature threshold value, the judgment component judges that gas flows in a gas pipe joint and judges that the cooker is in a low-firepower state during opening; the third temperature threshold is greater than the second temperature threshold and greater than the first temperature threshold.
Judge that the subassembly judges that cooking utensils are in the open mode or closed state's another better mode does: still set up the second temperature sensor who is used for detecting ambient temperature in cigarette kitchen coordinated control device, second temperature sensor also with judge the subassembly electricity and be connected, judge the temperature value that the subassembly can be according to first temperature sensor and second temperature sensor, judge whether have the gas circulation in the gas coupling to judge cooking utensils and be in the open mode or the closed mode, specifically handle the judgement mode and do:
if the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is smaller than a first temperature threshold value, the judgment component judges that no gas flows in the gas pipe joint and judges that the cooker is in a closed state;
if the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is greater than or equal to the first temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint and judges that the cooker is in an open state.
If the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is greater than or equal to the first temperature threshold, the judgment component continues to make the following judgment:
if the temperature value acquired by the first temperature sensor is greater than or equal to the temperature value acquired by the second temperature sensor, judging that the assembly outputs the fault information of the cooker; if the temperature value acquired by the first temperature sensor is smaller than the temperature value acquired by the second temperature sensor, and the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is larger than a third temperature threshold value, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a large-fire state during opening; if the temperature value acquired by the first temperature sensor is less than the temperature value acquired by the second temperature sensor, and the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is less than or equal to a third temperature threshold value which is greater than or equal to a second temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint, and judges that the stove is in a middle fire state during opening; if the temperature value collected by the first temperature sensor is smaller than the temperature value collected by the second temperature sensor, and the absolute value of the difference between the temperature value collected by the first temperature sensor and the temperature value collected by the second temperature sensor is smaller than a second temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint and judges that the cooker is in a small-firepower state during opening, and the third temperature threshold value is larger than the second temperature threshold value and is larger than the first temperature threshold value.
Judge that the subassembly judges that cooking utensils are in the open mode or closed state's another better mode does: set up the control module who is connected with first temperature sensor electricity in cigarette kitchen coordinated control device, set up the temperature compensation module that heater strip or heating film made on the surface that the gas coupling connects, control module can control the heating current of temperature compensation module according to the temperature value that first temperature sensor gathered, so that temperature compensation module can compensate the temperature that the gas coupling connects, makes the temperature that the gas coupling connects maintain the temperature difference within range that allows all the time, and judge that the heating current of heater strip or heating film can be gathered to the subassembly, and according to the heating current's of heater strip or heating film change, judge whether have the gas circulation in the gas coupling, thereby judge that cooking utensils are in the open mode or closed condition, concrete implementation method does: when the heating current of the heating wire or the heating film is smaller than a first preset current, the judging component judges that no fuel gas flows in the fuel gas pipe joint and judges that the cooker is in a closed state; when the heating current of the heating wire or the heating film is larger than or equal to the first preset current, the judgment component judges that gas circulates in the gas pipe joint and judges that the cooker is in an opening state.
Judge that the subassembly judges that cooking utensils are in the open mode or closed state's another better mode does: a second temperature sensor for detecting the ambient temperature and a control module are arranged in the smoke stove linkage control device, and the first temperature sensor and the second temperature sensor are electrically connected with the control module; be equipped with the temperature compensation module that heater strip or heating film made on the surface that the gas coupling connects, control module controls the heating current of temperature compensation module according to the temperature value that first temperature sensor and second temperature sensor gathered to make temperature compensation module can compensate the temperature of gas coupling, make the temperature of gas coupling maintain the temperature difference within range that allows all the time, and judge the heating current that the subassembly can gather heater strip or heating film, and according to the change of the heating current of heater strip or heating film, judge whether have the gas circulation in the gas coupling, thereby judge whether cooking utensils are in the open mode or the closed mode, concrete implementation method does: when the heating current of the heating wire or the heating film is smaller than a first preset current, the judging component judges that no fuel gas flows in the fuel gas pipe joint and judges that the cooker is in a closed state; when the heating current of the heating wire or the heating film is larger than or equal to the first preset current, the judgment component judges that gas circulates in the gas pipe joint and judges that the cooker is in an opening state.
When the heating current of the heating wire or the heating film is larger than or equal to the first preset current, the judging component continuously makes the following judgment:
if the heating current of the heating wire or the heating film is larger than or equal to a third preset current, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a large-fire state during opening; if the heating current of the heating wire or the heating film is less than the third preset current and is more than or equal to the second preset current, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a middle-fire state during opening, and if the heating current of the heating wire or the heating film is less than the second preset current and is more than or equal to the first preset current, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a small-fire state during opening; the first preset current is smaller than the second preset current and smaller than the third preset current.
The smoke stove linkage control device also comprises a communication module electrically connected with the judging component, wherein the communication module is in communication connection with a control circuit board in the range hood; the signal that the judgement subassembly was judged it and is judged that cooking utensils open or close sends the control circuit board of range hood inside through communication module.
The technical scheme adopted by the invention for solving the second technical problem is as follows: the utility model provides a can with range hood coordinated control's cooking utensils, includes the gas air inlet pipeline, is provided with gas coupling on the gas air inlet pipeline, its characterized in that: the stove is also provided with a smoke stove linkage control device with the structure.
The technical scheme adopted by the invention for solving the third technical problem is as follows: the utility model provides a can with cooking utensils coordinated control's range hood, includes the fan and can control the fan and open and close or the control circuit board of gear, its characterized in that: still including the cigarette kitchen coordinated control device who has above-mentioned structure, cigarette kitchen coordinated control device sets up on rather than coordinated control's cooking utensils, and cigarette kitchen coordinated control device's communication module and control circuit board communication connection, and control circuit board opens or closes the signal according to the cooking utensils that cigarette kitchen coordinated control device sent, starts or closes the fan.
Compared with the prior art, the invention has the advantages that: the gas pipe and the cooker are not required to be changed in connection state, the joint is not damaged and additionally added, the gas pipe and the cooker can be matched with cookers of any brands to judge the on-off state of the gas pipe and the cooker, the gas pipe and the cooker are completely fed back in advance relative to the temperature lag quantity such as infrared rays, and the gas pipe and the cooker are quick in response and high in reliability.
Drawings
Fig. 1 is a schematic structural diagram of a smoke range linkage control device according to an embodiment of the present invention.
Fig. 2 is a flowchart of a method for determining a smoke range linkage control device according to an embodiment of the present invention.
Fig. 3 is a flowchart of a determining method of a smoke range linkage control device according to a second embodiment of the present invention.
Fig. 4 is a schematic structural view of a smoke range linkage control device in the third embodiment of the present invention.
Fig. 5 is a flowchart of a method for determining a smoke range linkage control device according to a third embodiment of the present invention.
Fig. 6 is a schematic structural view of a smoke range linkage control device in the fourth embodiment of the present invention.
FIG. 7 is a flowchart of a method for determining a smoke range linkage control device in the fourth embodiment of the present invention
Fig. 8 is a schematic structural view of a smoke range linkage control device in the fifth embodiment of the present invention.
FIG. 9 is a flowchart of a method for determining a smoke range linkage control device in an embodiment of the present invention
Fig. 10 is a schematic view showing temperature changes of a gas pipe joint during opening and closing of a cooker according to a fifth embodiment of the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
Example one
The smoke and kitchen range linkage control device shown in fig. 1 can be used for kitchen ranges and range hoods which can be controlled in a linkage manner, wherein a gas inlet pipeline 3 is arranged in the kitchen ranges, a gas pipe joint 1 is arranged on the gas inlet pipeline 3, and the gas pipe joint 1 is generally a metal joint. The smoke stove linkage control device comprises a first temperature sensor 2, a judgment component 4 and a communication module 8, wherein the first temperature sensor 2 is in contact with a gas pipe joint 1 and is used for detecting the temperature of the gas pipe joint, the judgment component 4 is electrically connected with the first temperature sensor, the communication module 8 is electrically connected with the judgment component 4, and the communication module 8 is in communication connection with a control circuit board in the range hood; judge subassembly 4 can judge whether have the gas circulation in the gas coupling when the temperature value that first temperature sensor gathered appears changing to judge that cooking utensils are in the open mode or closed condition.
The first temperature sensor 2, the judgment component 4 and the communication module 8 can be made into an integral detection module which is used as an external accessory to be matched with a kitchen range and a range hood. When the stove is used, the detection module is started, and the judgment component 4 judges whether the stove is in an opening state or a closing state by the following method, please refer to fig. 2:
if the absolute value of the difference delta T between the current real-time temperature T0 and the last real-time temperature T0 'is smaller than a first temperature threshold Ta, namely delta T = | T0-T0' | < Ta, the judgment component 4 judges that no gas flows in the gas pipe joint and judges that the cooker is in a closed state;
if the absolute value of the difference delta T between the current real-time temperature T0 and the last real-time temperature T0 'is greater than or equal to a first temperature threshold value, namely delta T = | T0-T0' | is greater than or equal to Ta, the judgment component 4 judges that gas circulates in the gas pipe joint and judges that the cooker is in an open state.
In addition, when Δ T = | T0-T0' | ≧ Ta, the determination component 4 may further make the following determination:
if the current real-time temperature is larger than or equal to the last real-time temperature, namely T0 is larger than or equal to T0', judging that the assembly outputs the kitchen range fault information; if the current real-time temperature is lower than the last real-time temperature and the absolute value of the difference between the current real-time temperature and the last real-time temperature is larger than a third temperature threshold Tc, namely T0 is smaller than T0', and delta T = | T0-T0' | > Tc, the judgment component judges that gas flows in the gas pipe joint and judges that the cooker is in a large-fire state during opening; if the current real-time temperature is lower than the last real-time temperature and the absolute value of the difference between the current real-time temperature and the last real-time temperature is smaller than or equal to a third temperature threshold Tc and larger than or equal to a second temperature threshold Tb, namely T0 is smaller than T0', and Tb is smaller than or equal to delta T = | T0-T0' | is smaller than or equal to Tc, the judgment component judges that gas circulates in the gas pipe joint and judges that the stove is in a middle fire power state during opening; if the current real-time temperature is lower than the last real-time temperature and the absolute value of the difference between the current real-time temperature and the last real-time temperature is lower than a second temperature threshold Tb, namely T0 is smaller than T0', and delta T = | T0-T0' | < Tb, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a small-firepower state during opening; the third temperature threshold Tc is greater than the second temperature threshold Tb and greater than the first temperature threshold Ta.
Example two
Different from the first embodiment, the determining component 4 determines whether the cooker is in an open state or a closed state by the following method, as shown in fig. 3:
if the absolute value of the difference delta T between the current real-time temperature T0 and the temperature value T detected when the kitchen range is not started up recently is smaller than a first temperature threshold Ta, namely delta T = | T0-T | < Ta, the judgment component 4 judges that no gas flows in the gas pipe joint and judges that the kitchen range is in a closed state; the temperature value T detected when the cooker is not started up recently can be collected in advance when the cooker is started up and stored in the judging component;
if the absolute value of the difference delta T between the current real-time temperature T0 and the temperature value T detected when the cooker is not started up recently is larger than or equal to a first temperature threshold value, namely delta T = | T0-T | ≧ Ta, the judgment component 4 judges that gas circulates in the gas pipe joint, and judges that the cooker is in an open state.
In addition, when Δ T = | T0-T | ≧ Ta, the determination component 4 may further make the following determination:
if the current real-time temperature is more than or equal to the temperature value detected when the kitchen range is not started recently, namely T0 is more than or equal to T, the judgment component outputs the kitchen range fault information; if the current real-time temperature is lower than the temperature value detected when the stove is not started recently, and the absolute value of the difference between the current real-time temperature and the temperature value detected when the stove is not started recently is larger than a third temperature threshold Tc, namely T0 is smaller than T, and delta T = | T0-T | > Tc, the judgment component judges that gas flows in a gas pipe joint and judges that the stove is in a large-fire state during opening; if the current real-time temperature is less than the temperature value detected when the cooker is not started recently, and the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started recently is less than or equal to a third temperature threshold Tc and is greater than or equal to a second temperature threshold Tb, namely T0 is less than T, and Tb is less than or equal to delta T = | T0-T | is less than or equal to Tc, the judgment component judges that gas flows in the gas pipe joint and judges that the cooker is in a middle fire state during opening; if the current real-time temperature is lower than the temperature value detected when the stove is not started recently, and the absolute value of the difference between the current real-time temperature and the temperature value detected when the stove is not started recently is smaller than a second temperature threshold value Tb, namely T0 is smaller than T, and delta T = | T0-T | < Tb, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a small-firepower state during opening; the third temperature threshold Tc is greater than the second temperature threshold Tb and greater than the first temperature threshold Ta.
EXAMPLE III
Different from the first embodiment, the smoke range linkage control device further includes a second temperature sensor 5 for detecting the ambient temperature, and the second temperature sensor 5 is also electrically connected to the determination component 4, as shown in fig. 4.
The first temperature sensor 2, the second temperature sensor 5, the judgment component 4 and the communication module 8 can be made into an integral detection module which is used as an external accessory to be matched with a kitchen range and a range hood. When the stove is used, the detection module is started, and the judgment component 4 judges whether the stove is in an opening state or a closing state by the following method, please refer to fig. 5:
if the absolute value of the difference between the temperature value T1 acquired by the first temperature sensor 2 and the temperature value T2 acquired by the second temperature sensor 5 is smaller than a first temperature threshold Ta, namely delta T = | T1-T2| < Ta, the judgment component judges that no gas flows in the gas pipe joint and judges that the stove is in a closed state;
if the absolute value of the difference delta T between the temperature value T1 acquired by the first temperature sensor and the temperature value T2 acquired by the second temperature sensor is greater than or equal to a first temperature threshold Ta, and delta T = | T1-T2| ≧ Ta, the judgment component judges that gas circulates in the gas pipe joint, and judges that the stove is in an open state.
In addition, when Δ T = | T1-T2| ≧ Ta, the determination component 4 may further make the following determination:
if the temperature value T1 acquired by the first temperature sensor is greater than or equal to the temperature value T2 acquired by the second temperature sensor, namely T1 is greater than or equal to T2, the judgment component outputs the kitchen range fault information; if the temperature value T1 acquired by the first temperature sensor is smaller than the temperature value T2 acquired by the second temperature sensor, and the absolute value of the difference between the temperature value T1 acquired by the first temperature sensor and the temperature value T2 acquired by the second temperature sensor is larger than a third temperature threshold Tc, namely T1 is smaller than T2, and delta T = | T1-T2| is larger than Tc, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a high-fire state during opening; if the temperature value T1 acquired by the first temperature sensor is less than the temperature value T2 acquired by the second temperature sensor, and the absolute value of the difference between the temperature value T1 acquired by the first temperature sensor and the temperature value T2 acquired by the second temperature sensor is less than or equal to a third temperature threshold Tc and is greater than or equal to a second temperature threshold Tb, namely T1 is less than T2, and Tb is less than or equal to delta T = | T1-T2| is less than or equal to Tc, the judgment component judges that gas flows in the gas pipe joint and judges that the cooker is in a medium-fire state during opening; if the temperature value T1 acquired by the first temperature sensor is smaller than the temperature value T2 acquired by the second temperature sensor, and the absolute value of the difference between the temperature value T1 acquired by the first temperature sensor and the temperature value T2 acquired by the second temperature sensor is smaller than a second temperature threshold value Tb, namely T1 is smaller than T2, and delta T = | T1-T2| < Tb, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a small-fire state during opening; the third temperature threshold Tc is greater than the second temperature threshold Tb and greater than the first temperature threshold Ta.
Example four
Unlike the first embodiment, the smoke range coordinated control device further comprises a control module 6 electrically connected with the first temperature sensor 2, and the surface of the gas pipe joint is provided with a temperature compensation module 7 made of heating wires or heating films, as shown in fig. 6. Control module 6 can control the heating current of temperature compensation module according to the temperature value that first temperature sensor gathered, so that temperature compensation module can compensate gas pipe joint's temperature, make gas pipe joint's temperature maintain the temperature difference within range all the time, when the temperature that first temperature sensor 2 gathered descends promptly, control module 6 increases temperature compensation module 7's electric current, so that gas pipe joint's temperature risees, when the temperature that first temperature sensor 2 gathered risees, control module 6 reduces the electric current that adds temperature compensation module 7, so that gas pipe joint's temperature reduces. The control module 6 may be an operational amplifier or other microcontroller.
The first temperature sensor 2, the control module 6, the temperature compensation module 7, the judgment component 4 and the communication module 8 can be made into an integral detection module which is used as an external accessory to be matched with a kitchen range and a range hood. When the stove is used, the detection module is started, and the judgment component 4 judges whether the stove is in an opening state or a closing state by the following method, please refer to fig. 7:
When the heating current I of the heating wire or the heating film is larger than or equal to the first preset current Ia, the judging component continues to judge as follows:
if the heating current I of the heating wire or the heating film is larger than or equal to the third preset current Ic, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a large-fire state during opening; if the heating current I of the heating wire or the heating film is less than the third preset current Ic and is more than or equal to the second preset current Ib, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a medium-fire state during opening, and if the heating current I of the heating wire or the heating film is less than the second preset current Ib and is more than or equal to the first preset current, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a low-fire state during opening; the first preset current is smaller than the second preset current and smaller than the third preset current.
EXAMPLE five
Unlike the first embodiment, the smoke range linkage control device further includes a second temperature sensor 5 for detecting the ambient temperature, and a control module 6 electrically connected to the first temperature sensor 2 and the second temperature sensor 5, wherein a temperature compensation module 7 made of a heating wire or a heating film is disposed on the surface of the gas pipe joint, as shown in fig. 8. Control module 6 can control the heating current of temperature compensation module according to the temperature value that first temperature sensor and second temperature sensor gathered, so that temperature compensation module can compensate the temperature of gas pipe joint, make the temperature of gas pipe joint maintain the temperature difference within range that allows all the time, be less than the temperature that second temperature sensor 5 gathered when the temperature that first temperature sensor 2 gathered promptly, control module 6 increases the electric current of temperature compensation module 7, so that the temperature that the gas pipe joint rises, the temperature that gathers when first temperature sensor 2 is greater than the temperature that second temperature sensor gathered, control module 6 reduces the electric current that adds temperature compensation module 7, so that the temperature that the gas pipe joint was connected reduces. The control module 6 may be an operational amplifier or other microcontroller.
The first temperature sensor 2, the second temperature sensor 5, the control module 6, the temperature compensation module 7, the judgment component 4 and the communication module 8 can be made into an integral detection module which is used as an external accessory and matched with a kitchen range and a range hood. When the stove is used, the detection module is started, and the judgment component 4 judges whether the stove is in an opening state or a closing state by the following method, please refer to fig. 9:
When the heating current I of the heating wire or the heating film is greater than or equal to the first preset current Ia, the judging component continues to judge as follows:
if the heating current I of the heating wire or the heating film is larger than or equal to the third preset current Ic, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a large-fire state during opening; if the heating current I of the heating wire or the heating film is less than the third preset current Ic and is more than or equal to the second preset current Ib, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a medium-fire state during opening, and if the heating current I of the heating wire or the heating film is less than the second preset current Ib and is more than or equal to the first preset current, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a low-fire state during opening; the first preset current is smaller than the second preset current and smaller than the third preset current.
In addition, the invention also provides a kitchen range capable of being controlled in a linkage manner with the range hood, which comprises a gas inlet pipeline, wherein a gas pipe joint is arranged on the gas inlet pipeline, and the kitchen range is also provided with a smoke kitchen range linkage control device in any one embodiment.
In addition, the invention also provides a range hood capable of being controlled in a linkage way with the kitchen range, wherein the kitchen range matched with the range hood is also provided with a smoke and stove linkage control device in any one embodiment, the range hood comprises a fan and a control circuit board capable of controlling the opening and closing or gear of the fan, a communication module of the smoke and stove linkage control device on the kitchen range matched with the range hood is in communication connection with the control circuit board, the control circuit board starts or closes the fan according to a kitchen range opening or closing signal sent by the smoke and stove linkage control device, the fan is started when the kitchen range opening signal is received, and the fan is closed or closed in a delayed way when the kitchen range closing signal is received; when the stove is started by receiving high fire, the rotating speed gear of the fan is set as a high rotating speed gear, when the stove is started by receiving medium fire, the rotating speed gear of the fan is set as a medium rotating speed gear, and when the stove is started by receiving low fire, the rotating speed gear of the fan is set as a low rotating speed gear.
The smoke stove linkage control device provided by the invention has the advantages that the connection state of the gas pipe and the stove is not required to be changed, the joint is not damaged or additionally added, the leakage risk is not increased, the gas pipe is connected with the common standard metal joint used by the stove at present, the temperature of the metal gas pipe joint can be changed due to the on-off difference of the gas, namely when the stove is opened, the gas flows through the metal gas pipe joint along the pipeline, a part of heat of the metal gas pipe joint is taken away, the temperature of the metal gas pipe joint is reduced, and the attached figure 10 is the change of the temperature of the metal gas pipe joint along with the gas circulation condition. Therefore, the smoke stove linkage control device provided by the invention can be matched with any brand of kitchen range to judge the on/off state or even the firepower of the smoke stove, so that the state of the smoke machine is adjusted, the feedback is completely advanced relative to the infrared equal-temperature hysteresis quantity, the smoke machine can be started to discharge combustible gas when the ignition is unsuccessful, the better safety protection is provided, the response is fast, and the reliability is high.
Claims (9)
1. The utility model provides a smoke and range coordinated control device for can coordinated control's cooking utensils and range hood, wherein be equipped with the gas air inlet pipeline in the cooking utensils, be provided with gas coupling on the gas air inlet pipeline, its characterized in that:
the smoke stove linkage control device comprises a first temperature sensor, a judging component and a communication module, wherein the first temperature sensor is in contact with a gas pipe joint and used for detecting the temperature of the gas pipe joint, the judging component is electrically connected with the first temperature sensor, and the communication module is electrically connected with the judging component; the communication module is in communication connection with a control circuit board inside the range hood; the signal that the judging component judges that the cooking utensil is opened or closed is sent to a control circuit board in the range hood through a communication module, and the judging component judges whether the cooking utensil is in an opening state or a closing state at the moment adopts the following method one or method two:
the method comprises the following steps:
if the absolute value of the difference between the current real-time temperature acquired by the first temperature sensor and the last real-time temperature is smaller than a first temperature threshold value, the judgment component judges that no gas flows in the gas pipe joint and judges that the cooker is in a closed state;
if the absolute value of the difference between the current real-time temperature acquired by the first temperature sensor and the last real-time temperature acquired by the first temperature sensor is greater than or equal to a first temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint and judges that the stove is in an open state;
the second method comprises the following steps: comparing the current real-time temperature acquired by the first temperature sensor with a temperature value detected when the cooker is not started recently, and if the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started recently is smaller than a first temperature threshold value, judging that no gas circulates in a gas pipe joint by the judgment component and judging that the cooker is in a closed state; if the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started up recently is larger than or equal to a first temperature threshold value, the judgment component judges that gas flows in a gas pipe joint and judges that the cooker is in an open state;
or, smoke and fire stove coordinated control device includes and connects the contact with the gas pipe, be used for detecting the first temperature sensor of gas pipe joint temperature, a second temperature sensor for detecting ambient temperature, the judgement subassembly of being connected with first temperature sensor and second temperature sensor electricity, and with the communication module who judges the subassembly electricity and connect, judge the temperature value that the subassembly can be according to first temperature sensor and second temperature sensor, judge whether there is the gas circulation in the gas pipe joint, thereby judge that cooking utensils are in the open mode or the closed mode, judge this moment that the subassembly judges that cooking utensils are in the open mode or the method that the closed mode adopted does:
if the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is smaller than a first temperature threshold value, the judgment component judges that no gas flows in the gas pipe joint and judges that the cooker is in a closed state;
if the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is greater than or equal to the first temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint and judges that the cooker is in an open state.
2. The smoke range linkage control device according to claim 1, wherein: in the first method, if the absolute value of the difference between the current real-time temperature and the last real-time temperature is greater than or equal to the first temperature threshold, the determining component continues to make the following determination:
if the current real-time temperature is greater than or equal to the last real-time temperature, judging that the assembly outputs the kitchen range fault information; if the current real-time temperature is lower than the last real-time temperature and the absolute value of the difference between the current real-time temperature and the last real-time temperature is larger than a third temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint and judges that the stove is in a large-fire state during opening; if the current real-time temperature is lower than the last real-time temperature and the absolute value of the difference between the current real-time temperature and the last real-time temperature is smaller than or equal to a third temperature threshold value and is larger than or equal to a second temperature threshold value, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a middle fire state during opening; if the current real-time temperature is lower than the last real-time temperature and the absolute value of the difference between the current real-time temperature and the last real-time temperature is lower than a second temperature threshold value, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a low-firepower state during opening; the third temperature threshold is greater than the second temperature threshold and greater than the first temperature threshold.
3. The smoke range linkage control device according to claim 1, wherein: in the second method, if the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooking utensil is not started up recently is greater than or equal to the first temperature threshold, the judgment component continues to make the following judgment:
if the current real-time temperature is more than or equal to the temperature value detected when the kitchen range is not started recently, the judgment component outputs the kitchen range fault information; if the current real-time temperature is less than the temperature value detected when the cooker is not started recently, and the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started recently is greater than a third temperature threshold value, the judgment component judges that gas flows in a gas pipe joint and judges that the cooker is in a high-fire state during opening; if the current real-time temperature is less than the temperature value detected when the cooker is not started recently, and the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started recently is less than or equal to a third temperature threshold value and is greater than or equal to a second temperature threshold value, the judgment component judges that gas flows in the gas pipe joint, and judges that the cooker is in a middle fire state during opening; if the current real-time temperature is less than the temperature value detected when the cooker is not started recently, and the absolute value of the difference between the current real-time temperature and the temperature value detected when the cooker is not started recently is less than a second temperature threshold value, the judgment component judges that gas flows in a gas pipe joint and judges that the cooker is in a low-firepower state during opening; the third temperature threshold is greater than the second temperature threshold by more than the first temperature threshold.
4. The smoke range linkage control device according to claim 1, wherein: if the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is greater than or equal to the first temperature threshold, the judgment component continues to make the following judgment:
if the temperature value acquired by the first temperature sensor is greater than or equal to the temperature value acquired by the second temperature sensor, judging that the assembly outputs the fault information of the cooker; if the temperature value acquired by the first temperature sensor is smaller than the temperature value acquired by the second temperature sensor, and the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is larger than a third temperature threshold value, the judgment component judges that gas flows in the gas pipe joint and judges that the stove is in a big fire state during opening; if the temperature value acquired by the first temperature sensor is less than the temperature value acquired by the second temperature sensor, and the absolute value of the difference between the temperature value acquired by the first temperature sensor and the temperature value acquired by the second temperature sensor is less than or equal to a third temperature threshold value which is more than or equal to a second temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint, and judges that the stove is in a middle fire state during opening; if the temperature value collected by the first temperature sensor is smaller than the temperature value collected by the second temperature sensor, and the absolute value of the difference between the temperature value collected by the first temperature sensor and the temperature value collected by the second temperature sensor is smaller than a second temperature threshold value, the judgment component judges that gas circulates in the gas pipe joint and judges that the cooker is in a small-firepower state during opening, and the third temperature threshold value is larger than the second temperature threshold value and is larger than the first temperature threshold value.
5. The smoke range linkage control device according to claim 1, wherein: when smoke and smoke kitchen coordinated control device only includes first temperature sensor, smoke and smoke kitchen coordinated control device still includes the control module who is connected with first temperature sensor electricity, the surface that the gas coupling was connected is equipped with the temperature compensation module that heater strip or heating film made, and control module can control the heating current of temperature compensation module according to the temperature value that first temperature sensor gathered, so that the temperature compensation module can compensate the temperature of gas coupling, makes the temperature that the gas coupling was connected maintain all the time in allowing the difference in temperature range, and judge the heating current that the subassembly can gather heater strip or heating film, and according to the change of the heating current of heater strip or heating film, judge whether have the gas circulation in the gas coupling, thereby judge whether cooking utensils are in the open mode or closed state, concrete implementation method is: when the heating current of the heating wire or the heating film is smaller than a first preset current, the judging component judges that no fuel gas flows in the fuel gas pipe joint and judges that the cooker is in a closed state; when the heating current of the heating wire or the heating film is larger than or equal to the first preset current, the judgment component judges that gas circulates in the gas pipe joint and judges that the cooker is in an opening state.
6. The smoke range linkage control device according to claim 1, wherein: when the smoke stove linkage control device simultaneously comprises a first temperature sensor and a second temperature sensor, the smoke stove linkage control device also comprises a control module, and the first temperature sensor and the second temperature sensor are both electrically connected with the control module; the surface that gas coupling was equipped with the temperature compensation module that heater strip or heating film made, control module can control the heating current of temperature compensation module according to the temperature value that first temperature sensor and second temperature sensor gathered to make temperature compensation module can compensate gas coupling's temperature, make gas coupling's temperature maintain the within range of permitting the difference in temperature all the time, and judge that the subassembly can gather heater strip or heating film's heating current, and according to heater strip or heating film's heating current's change, judge whether have the gas circulation in the gas coupling, thereby judge whether cooking utensils are in the open mode or the closed mode, specific implementation method does: when the heating current of the heating wire or the heating film is smaller than a first preset current, the judging component judges that no fuel gas flows in the fuel gas pipe joint and judges that the cooker is in a closed state; when the heating current of the heating wire or the heating film is larger than or equal to the first preset current, the judgment component judges that gas circulates in the gas pipe joint and judges that the cooker is in an opening state.
7. The smoke range linkage control device according to claim 5 or 6, wherein: when the heating current of the heating wire or the heating film is larger than or equal to the first preset current, the judging component continuously makes the following judgment:
if the heating current of the heating wire or the heating film is larger than or equal to a third preset current, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a large-fire state during opening; if the heating current of the heating wire or the heating film is less than the third preset current and is more than or equal to the second preset current, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a middle-fire state during opening, and if the heating current of the heating wire or the heating film is less than the second preset current and is more than or equal to the first preset current, the judging component judges that gas flows in the gas pipe joint and judges that the cooker is in a small-fire state during opening; the first preset current is smaller than the second preset current and smaller than the third preset current.
8. The utility model provides a can with range hood coordinated control's cooking utensils, includes the gas air inlet pipeline, is provided with gas coupling on the gas air inlet pipeline, its characterized in that: the stove is also provided with a smoke stove linkage control device as claimed in claim 1.
9. The utility model provides a can with cooking utensils coordinated control's range hood, includes the fan and can control the fan and open and close or the control circuit board of gear, its characterized in that: the kitchen range linkage control device is characterized by further comprising a kitchen range linkage control device according to claim 1, wherein the kitchen range linkage control device is arranged on a kitchen range which is in linkage control with the kitchen range linkage control device, a communication module of the kitchen range linkage control device is in communication connection with a control circuit board, and the control circuit board starts or closes a fan according to a kitchen range opening or closing signal sent by the kitchen range linkage control device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110596780.0A CN113237109B (en) | 2021-05-31 | 2021-05-31 | Smoke and stove coordinated control device, kitchen range and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110596780.0A CN113237109B (en) | 2021-05-31 | 2021-05-31 | Smoke and stove coordinated control device, kitchen range and range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113237109A CN113237109A (en) | 2021-08-10 |
| CN113237109B true CN113237109B (en) | 2022-10-04 |
Family
ID=77135740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110596780.0A Active CN113237109B (en) | 2021-05-31 | 2021-05-31 | Smoke and stove coordinated control device, kitchen range and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113237109B (en) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR0178345B1 (en) * | 1996-11-30 | 1999-03-20 | 배순훈 | Method for controlling temperature in cavity of a gas oven range |
| US6094904A (en) * | 1998-07-16 | 2000-08-01 | United Technologies Corporation | Fuel injector with a replaceable sensor |
| DE10111077C2 (en) * | 2001-03-08 | 2003-11-06 | Bosch Gmbh Robert | Method for regulating a burner of a gas combustion device |
| US20070068511A1 (en) * | 2005-09-28 | 2007-03-29 | Hearth & Home Technologies | Gas fireplace monitoring and control system |
| CN103363554A (en) * | 2013-07-22 | 2013-10-23 | 居国文 | Leakage-proof device of intelligent fuel gas stove |
| CN104832965A (en) * | 2015-05-08 | 2015-08-12 | 石昌远 | Range hood system |
| CN207230623U (en) * | 2017-09-20 | 2018-04-13 | 广东阿诗丹顿电气有限公司 | Fireproof tempering device and kitchen range |
| CN108916933A (en) * | 2018-05-03 | 2018-11-30 | 九阳股份有限公司 | A kind of intelligence cigarette stove coordinated control system |
| CN208504469U (en) * | 2018-06-27 | 2019-02-15 | 广东美的厨房电器制造有限公司 | Device and gas-cooker for the detection of gas-cooker thermic load value |
| US20200182460A1 (en) * | 2018-12-10 | 2020-06-11 | Bsh Home Appliances Corporation | Gas cooktop fire prevention and alarm system |
| CN209295200U (en) * | 2018-12-28 | 2019-08-23 | 合肥培恩电器有限公司 | A kind of integrated gas stove of energy automatic gruel heating |
| CN212777487U (en) * | 2020-08-05 | 2021-03-23 | 安徽斯浦云智能科技有限公司 | Intelligent home safety protection device |
| AU2020103269A4 (en) * | 2020-11-05 | 2021-01-14 | Nanjing Forestry University | Stable and environmentally friendly combustion method for biomass gasification combustible gas, and environmentally friendly combustion chamber |
-
2021
- 2021-05-31 CN CN202110596780.0A patent/CN113237109B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN113237109A (en) | 2021-08-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR950005886B1 (en) | Heating power control method and cooking apparatus | |
| CN104266233A (en) | Infrared intelligent telemetering temperature control system | |
| CN107702157B (en) | Anti-dry controls method, apparatus and gas-cooker | |
| CN110043926B (en) | Dry burning prevention device and method, smoke machine and smoke stove complete equipment | |
| CN113237109B (en) | Smoke and stove coordinated control device, kitchen range and range hood | |
| CN108319245B (en) | Linkage control system and control method for range hood, kitchen range and cooker | |
| CN213514006U (en) | Dry burning prevention device and stove | |
| CN218846208U (en) | Multifunctional stove capable of preventing gas leakage and dry burning | |
| CN111023171A (en) | Intelligent smoke stove equipment and control method and device of intelligent smoke stove equipment | |
| KR101886115B1 (en) | Temperature Control Method by Detection of Cooking Container of Gas Range Using Infrared Temperature Sensor | |
| CN2479867Y (en) | Fuzzy logic computer controlled multi-function electric pressure cooker | |
| CN113310086B (en) | Smoke and stove coordinated control device, kitchen range and range hood | |
| CN111256175A (en) | Kitchen range capable of displaying fire gear and control method thereof | |
| CN216159098U (en) | Dry burning prevention stove with fixed timing function | |
| CN111981519A (en) | Dry burning prevention control method and stove | |
| CN111853863A (en) | Cookware state detection device and detection method for kitchen range | |
| CN113154468B (en) | Automatic fire power adjusting method for judging bottom burnt of pan and cooker | |
| CN212252729U (en) | Kitchen range capable of displaying firepower gear | |
| CN215006403U (en) | Frying oven capable of adjusting detection power supply voltage of circuit chip | |
| CN112413667A (en) | Kitchen appliance control method and device and kitchen appliance | |
| CN109654550A (en) | Gas-cooker and control method for gas-cooker | |
| CN110701639A (en) | Intelligent soup cooking method capable of automatically identifying different pots and control device | |
| CN111059579B (en) | Residual temperature reminding control method and control system for kitchen range | |
| CN216384627U (en) | Dry burning prevention sensor device | |
| CN219976505U (en) | Integrated kitchen and kitchen integrated system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |