CN109307294A - A kind of gas-cooker of anti-dry - Google Patents
A kind of gas-cooker of anti-dry Download PDFInfo
- Publication number
- CN109307294A CN109307294A CN201811292231.9A CN201811292231A CN109307294A CN 109307294 A CN109307294 A CN 109307294A CN 201811292231 A CN201811292231 A CN 201811292231A CN 109307294 A CN109307294 A CN 109307294A
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- Prior art keywords
- gas
- dry
- cooker
- thermistor
- temperature
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Classifications
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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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Combustion (AREA)
Abstract
The invention discloses a kind of gas-cookers of anti-dry, including the kitchen range and pot with handles on stove, fire ring lid is provided on the kitchen range, the stove is built-in with the circuit board with Bluetooth function, the handle is built-in with the intelligent chip with Bluetooth function, and the middle on the kitchen range is provided with dry burning resistance switch, and the dry burning resistance switch includes fixed upright bar, the moveable cap in fixed upright bar, spring is provided between the fixed upright bar and moveable cap, the moveable cap is built-in with thermistor；The design that gas-cooker passes through the linkage of the intelligent chip of dry burning resistance switch and pot handle, cooperate thermistor can the real-time monitoring the bottom of a pan temperature, it is transmitted to the single-chip microcontroller of kitchen range circuit board, realize that information is timely feedbacked to user, the effect for being easy to use people to strain, it realizes and automatically controls, and the spring design of dry burning resistance switch can guarantee that gas-cooker can die in time at the last moment, avoid dangerous generation.
Description
Technical field
The present invention relates to gas-cooker technical field, especially a kind of gas-cooker of anti-dry.
Background technique
Anti-dry is arranged on gas-cooker in the prior art to pop one's head in, the phenomenon that prevent dry combustion method.Its working principle is that
When anti-dry probe detects temperature anomaly, anti-dry probe fires one electric current of secondary coil of solenoid valve by pulser to wink
Signal achievees the purpose that close solenoid valve, to prevent the appearance of dry combustion method phenomenon.But anti-dry system in the related technology is not
The detection that can efficiently and accurately realize dry-fire condition, can not be reflected to user in time, cause dry-fire condition continue or
User cannot correct in time causes gas-cooker can only oneself interruption of work.
Summary of the invention
For overcome the deficiencies in the prior art, the present invention provides a kind of gas-cooker of anti-dry.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of gas-cooker of anti-dry is provided with fire ring on the kitchen range including the kitchen range and pot with handles on stove
Lid, the stove are built-in with the circuit board with Bluetooth function, and the handle is built-in with the intelligent chip with Bluetooth function, the stove
Middle on head is provided with dry burning resistance switch, and the dry burning resistance switch includes fixed upright bar, the moveable cap in fixed upright bar, institute
It states and is provided with spring between fixed upright bar and moveable cap, the moveable cap is built-in with thermistor.
As a preference, protective cover is provided on the outside of the moveable cap.
As a preference, power supply line is provided on the thermistor, the power supply line of the thermistor passes through solid
Determine upright bar to stretch out from fixed upright bar lower end, the moveable cap is built-in with heat stable resin, is set on the power supply line of the thermistor
There are duplex fiberglass tubes.
As a preference, the kitchen range is built-in with mounting plate, and the fixation upright bar of the dry burning resistance switch is mounted on
In loading board, ignition electrode and thermocouple are additionally provided on the mounting plate.
As a preference, the moveable cap upper end is provided with nickel plating collecting plate, and the thermistor is located at nickel plating collection
On the downside of hot plate.
A kind of gas-cooker of anti-dry, comprising the following steps:
By temperature sensor probe, interval of delta t successively acquires the temperature of the pot body being located on gas-cooker to schedule
And it is recorded as TN, N is the positive integer greater than 0；
After temperature acquisition of every progress, by temperature TNWith predetermined temperature T0And T ' is compared,
Work as TN> T0When, then judge that pot body reaches dry-fire condition and controls the combustion gas stopping burning of gas-cooker,
Work as TNWhen < T ', then judge that pot body is not up to dry-fire condition and keeps the state of gas-cooker, and reaching pre- timing
Between continue temperature acquisition after interval of delta t,
Work as T ' < TN≤T0When, calculate the temperature TNSingle order lead dTN/ dt and second order lead d2TN/dt2, and judge dTN/dt
And d2TN/dt2Whether following requirements are met simultaneously:
dTN/ dt > δ 1, d2TN/dt2> δ 2, wherein δ 1 >=0 and δ 2 >=0,
If satisfied, then judging that pot body reaches dry-fire condition and controls the combustion gas stopping burning of gas-cooker, if not satisfied, then sentencing
Disconnected pot body is not up to dry-fire condition and keeps the state of gas-cooker, and continues temperature after reaching predetermined time interval Δ t
Acquisition.
A kind of overheating protective control device of the gas-cooker of anti-dry includes the temperature-sensitive electricity for being built in dry burning resistance switch 4
44, temperature sensor probe 48, the single-chip microcontroller 26 of gas-cooker, the burner solenoid valve 25 for controlling 2 firepower of kitchen range are hindered,
In, the thermistor 44 includes connection terminal CN1, the electrolytic capacitor E1 of one end ground connection, the golden film resistance of one end ground connection
R2, diode D1, D2, current-limiting resistance R1, the ceramic disc capacitor C1 of one end ground connection；Wherein, the connection terminal CN1 and temperature pass
Sensor probe 48 is connected, and a termination+5V power supply of the temperature sensor probe 48, and the other end and golden film resistance R2 go here and there
Connection, a while pin of connection terminal CN1 connects+5V power supply, another pin respectively with electrolytic capacitor E1, golden film resistance R2,
Current-limiting resistance R1 one-to-one correspondence connects, and is connected between golden film resistance R2 and current-limiting resistance R1 for clamped diode
D1, D2, and above-mentioned current-limiting resistance R1 is connected with ceramic disc capacitor C1 and single-chip microcontroller 26 respectively again, the single-chip microcomputer signal connection
In the burner solenoid valve 25.
The beneficial effects of the present invention are: design of the gas-cooker by the linkage of the intelligent chip of dry burning resistance switch and pot handle,
Cooperate thermistor can the real-time monitoring the bottom of a pan temperature, be transmitted to the single-chip microcontroller of kitchen range circuit board, realize information timely feedback to
User, the effect for being easy to use people's strain realize and automatically control, and the design of the spring of dry burning resistance switch can guarantee combustion gas
Stove can die in time at the last moment, avoid dangerous generation.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is perspective view of the invention；
Fig. 2 is the cross-sectional view on medium mess head of the present invention point；
Fig. 3 is the cross-sectional view of dry burning resistance switch in the present invention；
Fig. 4 is operation schematic diagram of the invention；
Fig. 5 is circuit diagram of the invention.
Specific embodiment
It is with reference to the accompanying drawings and embodiments, right in order to which the objects, technical solutions and advantages of the application are more clearly understood
The present invention is further elaborated.For the thorough explanation present invention, some certain details can be related in following description
Section.And in these no specific details, the invention can still be realized, i.e., the technical staff in fields uses herein
These describe and state that the others skilled in the art into fields can more effectively introduce their work essence.
Referring to Fig.1, Fig. 2, Fig. 3, a kind of gas-cooker of anti-dry, the pot 3 including the kitchen range 2 and with handles 31 on stove 1,
Fire ring lid 21 is provided on the kitchen range 2, the stove 1 is built-in with the circuit board with Bluetooth function, and the handle 31 is built-in with
Intelligent chip 32 with Bluetooth function, the middle on the kitchen range 2 are provided with dry burning resistance switch 4, and the dry burning resistance switch 4 is wrapped
It includes fixed upright bar 41, fix the moveable cap 42 in upright bar 41, be provided with spring 43 between the fixed upright bar 41 and moveable cap 42,
It wherein fixes upright bar 41 to be used to fix with kitchen range 2, the moveable cap 42 is built-in with thermistor 44, and the design of moveable cap 42 can be protected
Protect thermistor 44.When pot 3 is placed on kitchen range 2, pot 3 just pushes down the moveable cap 42 and compressed spring 43 of dry burning resistance switch 4, from
And start dry burning resistance switch 4, the single-chip microcontroller 26 of kitchen range circuit board just starting and with 32 signal communication of intelligent chip, i.e. gas-cooker is logical
The intelligent chip 32 for crossing dry burning resistance switch 4 and pot handle 31 links, cooperation thermistor 44 can the real-time monitoring the bottom of a pan temperature, pass
It is delivered to the single-chip microcontroller 26 of kitchen range circuit board, realizes that information is timely feedbacked to user, the effect for being easy to use people to strain.
It is provided with protective cover 45 on the outside of the moveable cap 42, other than improving collision resistance, can also be struck sparks in kitchen range 2
Moment plays to 44 heat-blocking action of thermistor, and avoiding frequently striking sparks makes thermistor 44 fail.42 upper end of moveable cap is set
It is equipped with nickel plating collecting plate 47, the thermistor 44 is located at 47 downside of nickel plating collecting plate, and nickel plating collecting plate 47 is both used as support portion
Point, also guarantee the accuracy of 44 sense temperature of thermistor.
Power supply line 46 is provided on the thermistor 44, the power supply line 46 of the thermistor 44 passes through fixed upright bar 41
It is stretched out from fixed 41 lower end of upright bar, the moveable cap 42 is built-in with heat stable resin, further protects thermistor 44, the temperature-sensitive
It is set with duplex fiberglass tubes on the power supply line 46 of resistance 44, protects the connection reliability of thermistor 44 and power supply line 46.
The kitchen range 2 is built-in with mounting plate 22, and the fixation upright bar 41 of the dry burning resistance switch 4 is mounted on mounting plate 22,
It is additionally provided with ignition electrode 23 and thermocouple 24 on the mounting plate 22, forms a module convenient for assembling.Thermocouple 24 is for supervising
2 firepower of kitchen range is surveyed, and thermistor 44 monitors the temperature of pot 3, the two cooperation guarantees the safety of gas-cooker work.
According to above-mentioned principle, the present invention can also be made appropriate changes and modifications to the above embodiments.Therefore, this hair
It is bright to be not limited to specific embodiment disclosed and described above, some modifications and changes of the invention should also be as to fall into this
In the scope of protection of the claims of invention.
By it was verified that gas-cooker anti-dry control method according to an embodiment of the present invention, comprising the following steps: pass through
Interval of delta t successively acquires the temperature of the pot body being located on gas-cooker to the temperature sensor probe 48 of thermistor 44 to schedule
It spends and is recorded as TN, N is the positive integer greater than 0；After temperature acquisition of every progress, by temperature TNWith predetermined temperature T0And T '
It is compared, works as TNWhen > T0, then judges that pot body reaches dry-fire condition and controls the combustion gas stopping burning of gas-cooker, work as TN< T '
When, then judge that pot body is not up to dry-fire condition and keeps the state of gas-cooker, and continue after reaching predetermined time interval Δ t into
Trip temperature acquisition, works as T ' < TNWhen≤T0, the temperature T is calculatedNSingle order lead dTN/ dt and second order lead d2TN/ dt2, and judge
dTN/ dt and d2TN/dt2Whether following requirements: dT are met simultaneouslyN/ dt > δ 1, d2TN/dt2> δ 2, wherein δ 1 >=0 and δ 2 >=0,
If satisfied, then judging that pot body reaches dry-fire condition and controls the combustion gas stopping burning of gas-cooker, if not satisfied, then judging pot body not
Reach dry-fire condition and keep the state of gas-cooker, and continues temperature acquisition after reaching predetermined time interval Δ t.
Gas-cooker anti-dry control method according to an embodiment of the present invention utilize various dimensions temperature information, can effectively,
The generation for avoiding or stopping dry combustion method in time, avoid dry combustion method bring be burned even enamelware pot, be also prevented from the generation of fire, safety
It is promoted.The gas-cooker anti-dry control method of the embodiment of the present invention can use temperature, temperature gradient and temperature second order and lead multidimensional
The temperature information of degree judges whether pot body is in dry-fire condition, and is in the related technology judged using temperature threshold merely
Mode is compared, and present inventor, which creatively obtains from the variation of temperature of boiler, multiple can more accurately react pot body
Temperature change parameter, judge the dry-fire condition of pot body jointly by multiple parameters, can accurately and comprehensively be sentenced
It is disconnected, the generation of dry combustion method can be avoided effectively, in time or be stopped, avoiding dry combustion method bring from being burned or even enamelware pot, is also prevented from fire
Generation, safety promoted.
Judgement for dry-fire condition, the frequency for acquiring the temperature of pot body is critically important parameter, and the frequency of acquisition is too low,
Then the single order of the temperature of pot body leads that the calculating led with second order is nonsensical, not can correctly reflect current temperature gradient, and then not
It can correctly judge whether pot body reaches dry-fire condition.If the frequency of acquisition is too high, power consumption is excessive, causes unnecessary wave
Take.Referring to Fig. 4, the temperature sensor probe 48 or other sensors of dry burning resistance switch 4, which can be used for detecting, is located at gas-cooker
On pot body temperature.Intelligent chip 32 can be controlled by Bluetooth signal and 48 connection of temperature sensor probe, intelligent chip 32
The work of temperature sensor probe 48 processed simultaneously carries out data analysis according to the testing result of temperature sensor probe 48, to judge pot body
Whether dry-fire condition is reached.Data analysis process is as described above, this will not be detailed here.The list of burner solenoid valve 25 and gas-cooker
Piece machine 26, intelligent chip 32 are connected, and burner solenoid valve 25 can be according to the instruction of intelligent chip 32 and the data of single-chip microcontroller 26
The on-off for analyzing result control burner solenoid valve 25, thus controls the fuel gas buring state of gas-cooker.Referring in particular to Fig. 5, one
The overheating protective control device of the gas-cooker of kind anti-dry includes the thermistor 44 for being built in dry burning resistance switch 4, temperature biography
Sensor probe 48, the single-chip microcontroller 26 of gas-cooker, the burner solenoid valve 25 for controlling 2 firepower of kitchen range, wherein the temperature-sensitive
Resistance 44 includes connection terminal CN1, the electrolytic capacitor E1 of one end ground connection, golden film the resistance R2, diode D1 of one end ground connection,
D2, current-limiting resistance R1, the ceramic disc capacitor C1 of one end ground connection；Wherein, the connection terminal CN1 and 48 phase of temperature sensor probe
Connection, and a termination+5V power supply of the temperature sensor probe 48, the other end is connected with golden film resistance R2, while the company
A pin of connecting terminal CN1 connects+5V power supply, another pin respectively with electrolytic capacitor E1, golden film resistance R2, current-limiting resistance R1 mono-
One correspondence connects, and is connected between golden film resistance R2 and current-limiting resistance R1 for clamped diode D1, D2, and above-mentioned
Current-limiting resistance R1 again be connected respectively with ceramic disc capacitor C1 and single-chip microcontroller 26, the single-chip microcomputer signal is connected to the burner
Solenoid valve 25.
In addition, the ascending rate of temperature is also getting faster, according to the actual situation, the middle and later periods of the temperature of pot body in the II stage
The single order that may also occur meeting simultaneously temperature, which is led, leads with second order while for positive value, and temperature enters pot body just meeting after the III stage
Reach dry-fire condition, therefore, δ 2 >=0 can be set, for example, in some specific examples of the invention, the value of δ 2 can divide
It Wei 0.5,1,1.5 and 2 etc..Gas-cooker anti-dry control method according to an embodiment of the invention, Δ t is in dTN/ dt < δ 1
When value be greater than Δ t in dTN/ dt > δ 1 and d2TN/dt2Value when < δ 2.
If meeting dT simultaneouslyN/ dt > δ 1 and d2TN/dt2> δ 2 then may determine that pot body reaches dry-fire condition, and control combustion
The combustion gas of gas kitchen stops burning.
If not meeting dT simultaneouslyN/ dt > δ 1 and d2TN/dt2In other words > δ 2 is meeting dTN/ dt≤δ 1 and d2TN/dt2≤
When at least one in δ 2, then it may determine that pot body is not up to dry-fire condition and keeps the state of gas-cooker, and predetermined reaching
Continue temperature acquisition after time interval Δ t.
Anti-dry control device for gas stove according to an embodiment of the present invention is anti-using gas-cooker according to an embodiment of the present invention
Dry combustion method control method, the anti-dry control device for gas stove include: the temperature for detecting the pot body being located on gas-cooker
Thermistor 44；The analysis and Control module of single-chip microcontroller 26, the analysis and Control module are connected to control with the thermistor 44
Burner operation simultaneously carries out data analysis according to the testing result of the thermistor 44；The combustion controller of kitchen range 2, the combustion
Burning controller is connected with the analysis and Control module of single-chip microcontroller 26, to be controlled according to the data analysis result of the analysis and Control module
The fuel gas buring state of gas-cooker.
Further, work as TN≤T0When, the single-chip microcontroller 26 is configured to the temperature in record by predetermined analysis and Control module
Degree often newly increases a temperature when reaching predetermined number and then eliminates the temperature recorded at first.
According to some embodiments of the present invention, the analysis and Control module that the single-chip microcontroller 26 uses is control circuit.Into one
Step ground, the control circuit are powered using DC circuit.
According to some embodiments of the present invention, the test side of the temperature sensor probe 48 of the thermistor 44 is higher than institute
State the upper end of the inner ring burner of 2 burner of kitchen range.Further, the detection probe is suitable for being located at the inner ring burner
On.
After above scheme, hearth table top, especially it is substantially all to be under long period continuous use state
On the basis of the technical issues of existing high temperature is easily scalded, it is a kind of applied to hearth table top overheating protection that the present invention is directed to researching and designings
Control method and corresponding control device thoroughly solve the table top under existing use state and overheat the technology that can not be automatically shut down the gas piping
Problem plays a very good protection, and improves safety coefficient, meanwhile, forget to close in special circumstances in gas-cooker, it can
With in use for some time, due to overheat, the automation for realizing hearth combustion gas is closed, this use process is thoroughly evaded
Present in risk, have positive application value.
Claims (7)
1. a kind of gas-cooker of anti-dry, the pot (3) including kitchen range (2) and (31) with handles on stove (1), the kitchen range
(2) fire ring lid (21) are provided on, it is characterised in that: the stove (1) is built-in with the circuit board with Bluetooth function, the handle
(31) it is built-in with the intelligent chip (32) with Bluetooth function, the middle on the kitchen range (2) is provided with dry burning resistance switch (4),
The dry burning resistance switch (4) includes fixing upright bar (41), fixing the moveable cap (42) on upright bar (41), the fixed upright bar (41)
It is provided between moveable cap (42) spring (43), the moveable cap (42) is built-in with thermistor (44).
2. a kind of gas-cooker of anti-dry according to claim 1, it is characterised in that: setting on the outside of the moveable cap (42)
There are protective cover (45).
3. a kind of gas-cooker of anti-dry according to claim 1, it is characterised in that: be arranged on the thermistor (44)
Have power supply line (46), the power supply line (46) of the thermistor (44) passes through fixed upright bar (41) and stretches from fixed upright bar (41) lower end
Out, the moveable cap (42) is built-in with heat stable resin, is set with duplex glass on the power supply line (46) of the thermistor (44)
Pipe.
4. a kind of gas-cooker of anti-dry according to claim 1, it is characterised in that: the kitchen range (2) is built-in with installation
The fixation upright bar (41) of plate (22), the dry burning resistance switch (4) is mounted on mounting plate (22), is also set on the mounting plate (22)
It is equipped with ignition electrode (23) and thermocouple (24).
5. a kind of gas-cooker of anti-dry according to claim 1, it is characterised in that: moveable cap (42) the upper end setting
Have nickel plating collecting plate (47), the thermistor (44) is located on the downside of nickel plating collecting plate (47).
6. a kind of gas-cooker of anti-dry, it is characterised in that the following steps are included:
By temperature sensor probe (48), interval of delta t successively acquires the temperature of the pot body being located on gas-cooker to schedule
And it is recorded as TN, N is the positive integer greater than 0；
After temperature acquisition of every progress, by temperature TNWith predetermined temperature T0And T ' is compared,
Work as TN> T0When, then judge that pot body reaches dry-fire condition and controls the combustion gas stopping burning of gas-cooker,
Work as TNWhen < T ', then judge that pot body is not up to dry-fire condition and keeps the state of gas-cooker, and reaching predetermined time interval
Continue temperature acquisition after Δ t,
Work as T ' < TN≤T0When, calculate the temperature TNSingle order lead dTN/ dt and second order lead d2TN/dt2, and judge dTN/ dt and
d2TN/dt2Whether following requirements are met simultaneously:
dTN/ dt > δ 1, d2TN/dt2> δ 2, wherein δ 1 >=0 and δ 2 >=0,
If satisfied, then judging that pot body reaches dry-fire condition and controls the combustion gas stopping burning of gas-cooker, if not satisfied, then judging pot
Body is not up to dry-fire condition and keeps the state of gas-cooker, and continues temperature acquisition after reaching predetermined time interval Δ t.
7. a kind of overheating protective control device of the gas-cooker of anti-dry, it is characterised in that: include to be built in dry burning resistance switch
(4) thermistor (44), temperature sensor probe (48), the single-chip microcontroller (26) of gas-cooker, for controlling kitchen range (2) firepower
Burner solenoid valve (25), wherein the thermistor (44) includes connection terminal (CN1), the electrolysis electricity of one end ground connection
Hold (E1), the golden film resistance (R2) of one end ground connection, diode (D1, D2), current-limiting resistance (R1), the ceramic disc capacitor of one end ground connection
(C1)；Wherein, the connection terminal (CN1) is connected with temperature sensor probe (48), and the temperature sensor probe
(48) a termination+5V power supply, the other end are connected with golden film resistance (R2), at the same a pin of the connection terminal (CN1) connect+
5V power supply, another pin connect with electrolytic capacitor (E1), golden film resistance (R2), current-limiting resistance (R1) one-to-one correspondence respectively, and
And it is connected between golden film resistance (R2) and current-limiting resistance (R1) for clamped diode (D1, D2), and above-mentioned current limliting
Resistance (R1) is connected with ceramic disc capacitor (C1) and single-chip microcontroller (26) respectively again, and the single-chip microcomputer signal is connected to the burner
Solenoid valve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292231.9A CN109307294A (en) | 2018-10-31 | 2018-10-31 | A kind of gas-cooker of anti-dry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811292231.9A CN109307294A (en) | 2018-10-31 | 2018-10-31 | A kind of gas-cooker of anti-dry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109307294A true CN109307294A (en) | 2019-02-05 |
Family
ID=65222705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811292231.9A Pending CN109307294A (en) | 2018-10-31 | 2018-10-31 | A kind of gas-cooker of anti-dry |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111045376A (en) * | 2020-01-02 | 2020-04-21 | 潘兆铿 | Dry burning prevention ignition control device for household gas stove |
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| CN106618290A (en) * | 2017-02-25 | 2017-05-10 | 广东万家乐燃气具有限公司 | Pot handle structure with controller |
| CN107477622A (en) * | 2017-09-27 | 2017-12-15 | 广东美的厨房电器制造有限公司 | Gas-cooker anti-dry control method, anti-dry control device for gas stove and gas-cooker |
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- 2018-10-31 CN CN201811292231.9A patent/CN109307294A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201652487U (en) * | 2010-01-18 | 2010-11-24 | 王克安 | Burned protection device for gas oven |
| CN205807526U (en) * | 2016-07-11 | 2016-12-14 | 浙江久康电器有限公司 | A kind of gas-cooker equipped with anti-dry burning device |
| CN106500139A (en) * | 2016-10-09 | 2017-03-15 | 奇联电器(合肥)有限公司 | A kind of gas kitchen range control method for over-heating protection and its protection control device |
| CN106618290A (en) * | 2017-02-25 | 2017-05-10 | 广东万家乐燃气具有限公司 | Pot handle structure with controller |
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| CN111045376A (en) * | 2020-01-02 | 2020-04-21 | 潘兆铿 | Dry burning prevention ignition control device for household gas stove |
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Application publication date: 20190205 |