CN104296187A - Burnout-preventing fire control sensor and gas cooker utilizing same - Google Patents
Burnout-preventing fire control sensor and gas cooker utilizing same Download PDFInfo
- Publication number
- CN104296187A CN104296187A CN201410567989.4A CN201410567989A CN104296187A CN 104296187 A CN104296187 A CN 104296187A CN 201410567989 A CN201410567989 A CN 201410567989A CN 104296187 A CN104296187 A CN 104296187A
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- China
- Prior art keywords
- magnetic
- temperature
- detecting device
- magnet
- valve
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
Abstract
The invention relates to a burnout-preventing fire control sensor which comprises a temperature detecting device and a cooking pot state detecting device, wherein the temperature detecting device contacts the bottom of a cooking pot above a gas cooker for detecting the temperature of the bottom of the cooking pot above the gas cooker and transmitting an electric signal, and the cooking pot state detecting device is used for detecting whether a cooking pot is placed on the gas cooker or not and transmitting a digital signal and is mounted on the temperature detection device. For a gas cooker utilizing the burnout-preventing fire control sensor, a controller controls opening and closing of a solenoid valve and a self-sucking valve according to the signal transmitted by the burnout-preventing fire control sensor, and the functions of burnout prevention and fire control do not need to be controlled through independent circuits, so that the control system of the gas cooker is simple; and a gas valve and the solenoid valve are controlled by the controller, so that the control precision and control flexibility are high.
Description
Technical field
The present invention relates to a kind of anti-dried burning control fire sensor and utilize its gas-cooker, be applicable to gas-cooker field.
Background technology
In the prior art, if the patent No. is for as described in the patent of CN101275754B, the anti-dry control system of kitchen range is realized by the thermistor be independently arranged on bottom pan, and the independent loop that control ignition control system is formed by pressing switch, power supply, gas valve realizes, and connection is complicated; By pressing switch as trigger signal, the state of direct control gas valve, pressing switch trigger signal is not by the process of controller, when maloperation or frequent operation, gas valve action cannot be avoided by controller, control accuracy and flexibility ratio low, for overcoming these defects, the anti-dried burning control ignition system of gas-cooker is improved.
Summary of the invention
Technical problem to be solved by this invention is the gas-cooker that will provide a kind of anti-dried burning control fire sensor and utilize it, and its connection is simple, effectively can improve control accuracy and flexibility ratio is high.
The technical scheme that the present invention solves the employing of its technical problem is: a kind of anti-dried burning control fire sensor, comprise temperature-detecting device and pan condition checkout gear, on temperature-detecting device and kitchen range, the bottom connection of pan touches the temperature for detecting on kitchen range bottom pan and exports electric signal, pan condition checkout gear is for detecting on kitchen range whether placing cooker output digit signals, and pan condition checkout gear is arranged on temperature-detecting device.
Described temperature-detecting device comprises dynamic lid, thermistor, elastomeric element, the fixed axis of hollow, temperature detection wire, the burner that fixed axis is fixed on kitchen range is provided with installation base, thermistor contacts with the dynamic top covered, dynamic tops is withstood in elastomeric element one end, the other end is arranged on the installation base of fixed axis, one end of temperature detection wire is electrically connected with thermistor, the other end is connected with external circuit through the fixed axis of hollow, described pan condition checkout gear comprises magnetic control means, magnet, magnetic control wire, magnet is arranged on fixed axis outer surface, magnetic control means is according to the induction situation to magnetic field of magnets, export the data signal opened or closed, magnetic control wire one end is electrically connected with magnetic control means, the other end is connected with external circuit.
Described magnetic control means is the magnetic switch being arranged on temperature-detecting device wire and moving up and down with temperature-detecting device wire, and magnetic switch, according to the magnetic field whether sensing magnet, exports the data signal opened or closed.
Described magnetic control means comprise be arranged on temperature-detecting device wire and the demagnetic stack moved up and down with temperature-detecting device wire be arranged on fixed axis outer surface and the magnetic switch of side relative to magnet positions, magnetic switch, according to the changes of magnetic field of the magnet sensed, exports the data signal opened or closed.
Described magnetic switch comprises housing and the flexible member set gradually, S pole magnet, movable contact, fixed contact, N pole magnet, and flexible member one end is connected with housing, and the other end is connected with S pole magnet, and movable contact is connected with magnetic control means wire with fixed contact.
Described temperature-detecting device also comprises heat shield, snap ring, and heat shield covers on the upper end of dynamic lid outside, fixed axis, and the top of heat shield is protruded at the top of dynamic lid, and snap ring is arranged on the lower end of fixed axis.
Described pan condition checkout gear also comprises the magnet mounting bracket be fixed on fixed axis, and magnet is arranged on magnet mounting bracket.
A kind of gas-cooker, comprise burner, intake channel, power supply, controller, magnetic valve, self-priming valve, center air channel, outer shroud gas circuit, thermocouple, burner is provided with central flame cap and external ring fire cover, center air channel is communicated with intake channel and central flame cap by magnetic valve, outer shroud gas circuit passes through magnetic valve successively, self-priming valve is communicated with intake channel and external ring fire cover, magnetic valve, self-priming valve is electrically connected with controller, also comprise the above-mentioned anti-dried burning control fire sensor being arranged on burner centre position, temperature-detecting device in anti-dried burning control fire sensor, pan condition checkout gear is electrically connected with controller, controller is according to the electric signal Controlling solenoid valve of kitchen range by anti-dried burning control fire sensor passes, the opening and closing of self-priming valve.
Described thermocouple directly and the electrical connection of magnetic valve, the opening and closing of Controlling solenoid valve.
The present invention compares produced beneficial effect with background technology: because anti-dried burning control fire sensor of the present invention comprises temperature-detecting device and pan condition checkout gear, on temperature-detecting device and kitchen range, the bottom connection of pan touches the temperature for detecting on kitchen range bottom pan and exports electric signal, pan condition checkout gear is for detecting on kitchen range whether placing cooker output digit signals, pan condition checkout gear is arranged on temperature-detecting device, gas-cooker uses the scheme of above-mentioned anti-dried burning control fire sensor, temperature-detecting device and pan condition checkout gear are combined as anti-dried burning control fire sensor, gas-cooker can be made to realize anti-dry and the fiery function of control by this sensor simultaneously, do not need the control circui by separating, make gas stove controlling system simple, and gas valve and magnetic valve are all controlled by the controller, control accuracy and flexibility ratio higher.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of anti-dried burning control fire sensor of the present invention;
Fig. 2 is the cross-sectional view of Fig. 1;
Fig. 3 is the another kind of structural representation of anti-dried burning control ignition system of the present invention;
Fig. 4 is the cross-sectional view of Fig. 3;
Fig. 5 is the structure chart of magnetic switch 921 in Fig. 1 and Fig. 3;
Fig. 6 is the syndeton schematic diagram of gas-cooker of the present invention;
Fig. 7 is the control connection block diagram of Fig. 6;
Fig. 8 is circuit theory diagrams of the present invention.
Detailed description of the invention
Referring to accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, a kind of anti-dried burning control fire sensor, comprise temperature-detecting device 91 and pan condition checkout gear 92, temperature-detecting device 91 touches the temperature for detecting on kitchen range bottom pan with the bottom connection of pan on kitchen range and exports electric signal, pan condition checkout gear 92 is for detecting on kitchen range whether placing cooker output digit signals, and pan condition checkout gear 92 is arranged on temperature-detecting device 91.Synthesize in a sensor device by temperature-detecting device 91 and pan checkout gear 92, can realize burning prevention function and the fiery function of control, do not need to arrange separately two kinds of structures and circuit, connection is simple, and Total Product is succinct simultaneously.
Further, described temperature-detecting device 91 comprises dynamic lid 911, thermistor 912, elastomeric element 914, the fixed axis 915 of hollow, temperature detection wire 916, the burner that fixed axis 915 is fixed on kitchen range is provided with installation base 918, thermistor 912 contacts with the top of dynamic lid 911, dynamic lid 911 top is withstood in elastomeric element 914 one end, the other end is arranged on the installation base 918 of fixed axis 915, one end of temperature detection wire 916 is electrically connected with thermistor 912, the other end is connected with external circuit through the fixed axis 915 of hollow, in the present embodiment, the other end of temperature detection wire 916 is electrically connected with the controller of gas-cooker.Described pan condition checkout gear 92 comprises magnetic control means, magnet 923, magnetic control wire 924, magnet 923 is arranged on fixed axis 915 outer surface, magnetic control means is according to the induction situation to magnet 923 magnetic field, export the data signal opened or closed, magnetic control wire 924 one end is electrically connected with magnetic control means, and the other end is connected with external circuit, in the present embodiment, magnet 923 is permanent magnet, produce stable magnetic field.The other end of magnetic control wire 924 is electrically connected with the controller 1 of gas-cooker.
Particularly, a kind of structure of described magnetic control means is the magnetic switch 921 being arranged on temperature-detecting device wire 916 and moving up and down with temperature-detecting device wire 916, magnetic switch, according to the magnetic field whether sensing magnet 923, exports the data signal opened or closed.
Simplify further to make magnetic control means, the another kind of structure of described magnetic control means be comprise be arranged on temperature-detecting device wire 916 and the demagnetic stack 925 moved up and down with temperature-detecting device wire 916 be arranged on fixed axis 915 outer surface and with the magnetic switch 921 of relative side, magnet 923 position, magnetic switch 921, according to the changes of magnetic field of the magnet 923 sensed, exports the data signal opened or closed.
In two kinds of structures, described magnetic switch 921 comprises housing and the flexible member 9211 set gradually, S pole magnet 9212, movable contact 9213, fixed contact 9214, N pole magnet 9215, flexible member 9211 one end is connected with housing, the other end is connected with S pole magnet 9212, and movable contact 9213 is connected with magnetic control means wire 924 with fixed contact 9214.Magnetic switch 921 in the present invention is all open type, and under free state, under the pulling force effect of flexible member 9211, overcome the attraction of S pole magnet 9212 and N pole magnet 9215, movable contact 9213 is separated with fixed contact 9214, and maintained switch disconnects.
Further, described temperature-detecting device 91 also comprises heat shield 913, snap ring 917, and heat shield 913 covers on the upper end of dynamic lid 911 outside, fixed axis 915, and the top of heat shield 913 is protruded at the top of dynamic lid 911, and snap ring 917 is arranged on the lower end of fixed axis.Because anti-dried burning control fire sensor 9 is mounted in the middle part of burner, ambient temperature is too high, and increasing heat shield 913 can play a protective role to it, prevents temperature too high damage anti-dried burning control fire sensor 9.Because dynamic lid 911 can will move up and down with contacting bottom pan, therefore the top of heat shield 913 is protruded at the top of dynamic lid 911.Snap ring 917 is convenient to anti-dried burning control fire sensor 9 to be fixed on the burner of kitchen range.
Described pan condition checkout gear 92 also comprises the magnet mounting bracket 922 be fixed on fixed axis 915, and magnet 923 is installed on magnet mounting bracket 922, fixed, difficult drop-off.
Referring to accompanying drawing 6, accompanying drawing 7, a kind of gas-cooker, comprise burner, intake channel 73, power supply 12, controller 1, magnetic valve 82, solenoid valve seat 81, self-priming valve 62, self-priming valve seat 61, center air channel 71, outer shroud gas circuit 72, thermocouple 11, pan 5, grate 4, kitchen range top face 3, knob 10, power supply 12, burner is provided with central flame cap 21 and external ring fire cover 22, center air channel 71 is communicated with intake channel 73 and central flame cap 21 by magnetic valve 82, outer shroud gas circuit 72 is successively by magnetic valve 82, self-priming valve 62 is communicated with intake channel 73 and external ring fire cover 22, magnetic valve 82, self-priming valve 62 is electrically connected with controller 1, also comprise the above-mentioned anti-dried burning control fire sensor 9 being arranged on burner centre position, temperature-detecting device 91 in anti-dried burning control fire sensor 9, pan condition checkout gear 92 is electrically connected with controller 1, the signal Controlling solenoid valve 82 that controller 1 transmits with anti-dried burning control fire sensor 9 according to kitchen range, the opening and closing of self-priming valve 62.
Gas-cooker operation principle: user is placed into pan 5 on grate 4, the thermistor 912 on temperature-detecting device 9.1, according to the state of temperature bottom pan 5, can export corresponding electric signal.When temperature reaches a certain setting value, kitchen range controller 1 can send instruction, and driven the work of magnetic valve 82 by the drive circuit on it, when magnetic valve 82 closes, air inlet pipeline 73 is closed, and kitchen range burning is extinguished, and realizes burning prevention function.
Simultaneously, in the present embodiment, for the first structure of magnetic control means, on kitchen range when non-placing cooker, the position of the magnetic switch 921 of this structure is higher than the position of magnet 923, when placing cooker, the dynamic lid 911 of temperature-detecting device 91 is descending by the gravity pushing of pan 5, magnetic switch moves downward with temperature-detecting device wire 916, enter in the magnetic field of magnet 923 generation, now can strengthen the attraction of S pole magnet 9212 and N pole magnet 9215, overcome the pulling force of flexible member 9211, therefore magnetic switch closes merga pass magnetic control wire 924 has the data signal of sitting pot to controller 1 output.
For the second structure of magnetic control means, on kitchen range when non-placing cooker, the position of the demagnetic stack of this structure is higher than the position of magnet 923, when placing cooker, the dynamic lid 911 of temperature-detecting device 91 is descending by the gravity pushing of pan 5, demagnetic stack 925 moves downward with temperature-detecting device wire 916, enter in the magnetic field of magnet 923 generation, the magnetic field that now magnet 923 produces is weakened, magnetic switch 921 senses slackening of residing magnetic field, the attraction of S pole magnet 9212 and N pole magnet 9215 strengthens, overcome the pulling force of flexible member 9211, therefore magnetic switch closes merga pass magnetic control wire 924 has the data signal of sitting pot to controller 1 output.
Controller 1 receives after this has the data signal of sitting pot, and control self-priming valve 62 and open, outer shroud gas circuit 72 is opened, and the firepower of kitchen range is supplied by center air channel 71 and outer shroud gas circuit 72, is rated load.When user moves away from grate 4 pan 5, horizontal reset on the dynamic lid 911 of temperature-detecting device 91, being arranged on demagnetic stack 925 in magnetic switch 921 on temperature-detecting device wire 916 or the second structure in the first structure of above-mentioned magnetic control means, to follow the stroke of dynamic lid 911 up, when it is up leave the field region of magnet 923 time, the disconnection of magnetic switch 921, the signal that this switch disconnects just sits the data signal of pot as a nothing, issue master controller 1, then the closedown of self-priming valve 62 is controlled, outer shroud gas circuit 72 is closed, the firepower of kitchen range is decreased to the supply load only having center air channel 71, thus the control fire function realized when user takes away pan, reduce energy resource consumption.
In prior art, anti-dry controls to control a self-priming valve by controller 1, and thermocouple blowout protection controls to use another magnetic valve by controller 1; cause load too much; cost increases, and thermocouple 11 of the present invention is directly electrically connected with magnetic valve 82, the opening and closing of Controlling solenoid valve 82.The magnetic valve 82 of namely described anti-dry system, and the magnetic valve 82 in the blowout protection system of kitchen range is same loads, can effective less load number, reduces costs.Referring to the physical circuit of accompanying drawing 8, when thermocouple 11 detects flare up fire, the voltage that magnetic valve 82 obtains is negative sense always, magnetic valve 82 is in open mode, when thermocouple 11 does not detect flare up fire, magnetic valve 82 cuts out, gas-cooker is closed, when thermistor 912 detects that pan 5 bottom temp is too high, send corresponding electric signal to controller 1 by temperature detection wire 916, controller 1 inputs forward voltage to magnetic valve 82, and magnetic valve 82 cuts out, gas-cooker is closed, and realizes burning prevention function.
Fig. 8 illustrate circuit theory diagrams of the present invention, comprising:
Single-chip microcomputer IC1, a resonator XT1, reset circuit, the drive circuit of driving self-priming valve 62 coil working and a drive circuit for driving magnetic valve 82 coil working.
Single-chip microcomputer IC1 is connected with the thermistor 912 i.e. terminal CN2 of Rx by input port P2.0, for receiving through the thermistor 912 i.e. temperature electric signal of Rx conversion.One end of input port P2.0 contact resistance R2, the other end ground connection of resistance R2; Input port P2.0 connects one end of electric capacity C2, the other end ground connection of electric capacity C2.The connection of resistance R2 and electric capacity C2, can filter the thermistor 912 i.e. signal of Rx, exclusive PCR.
Single-chip microcomputer IC1 is connected with the negative end of diode D1 by input port P1.4, and the forward end of diode D1 is connected with terminal CN1 one end of magnetic switch 921, and the other end of the terminal CN1 of magnetic switch 921 is connected to+3V power supply.Magnetic switch 921 provides switching signal, the sense of current of diode D1 limiting circuit for single-chip microcomputer IC1, avoids damaging single-chip microcomputer IC1.
The circuit of self-priming valve 62 comprises: the triode Q1 detected as drive circuit switch and the diode D2 be attached thereto.
Triode Q1 is connected with single-chip microcomputer IC1 output port by current-limiting resistance R3, for receiving the output level of single-chip microcomputer IC1, if output is high level, then and triode Q1 conducting.
Wherein, the emitter stage of described triode Q1 connects the negative end of diode D2, the forward end ground connection of diode D2; Self-priming valve 62 coil and diode D2 are parallel in circuit.Resistance R3, as ground level current-limiting resistance, makes triode Q1 can be operated in saturation conduction state; Diode D2 prevents the induced-current of self-priming valve 62 coil from refluxing, and eliminates induced-current to the impact of circuit.
The circuit of magnetic valve 82 comprises: the triode Q2 detected as drive circuit switch and the diode D3 be attached thereto.
Triode Q2 is connected with single-chip microcomputer IC1 output port by current-limiting resistance R4, for receiving the output level of single-chip microcomputer IC1, if output is high level, then and triode Q2 conducting.
Wherein, the emitter stage of described triode Q2 connects the negative end of diode D3, the forward end ground connection of diode D3; Magnetic valve 82 coil and diode D3 are parallel in circuit.Resistance R4, as ground level current-limiting resistance, makes triode Q2 can be operated in saturation conduction state; Diode D3 prevents the solenoid 82 i.e. induced-current backflow of L2, eliminates induced-current to the impact of circuit.
Claims (9)
1. an anti-dried burning control fire sensor, it is characterized in that comprising temperature-detecting device (91) and pan condition checkout gear (92), temperature-detecting device (91) touches the temperature for detecting on kitchen range bottom pan with the bottom connection of pan on kitchen range and exports electric signal, pan condition checkout gear (92) is for detecting on kitchen range whether placing cooker output digit signals, and pan condition checkout gear (92) is arranged on temperature-detecting device (91).
2. anti-dried burning control fire sensor according to claim 1, it is characterized in that described temperature-detecting device (91) comprises dynamic lid (911), thermistor (912), elastomeric element (914), the fixed axis (915) of hollow, temperature detection wire (916), the burner that fixed axis (915) is fixed on kitchen range is provided with installation base (918), thermistor (912) contacts with the dynamic top covering (911), dynamic lid (911) top is withstood in elastomeric element (914) one end, the other end is arranged on the installation base (918) of fixed axis (915), one end of temperature detection wire (916) is electrically connected with thermistor (912), the other end is connected with external circuit through the fixed axis (915) of hollow, described pan condition checkout gear (92) comprises magnetic control means, magnet (923), magnetic control wire (924), magnet (923) is arranged on fixed axis (915) outer surface, magnetic control means is according to the induction situation to magnet (923) magnetic field, export the data signal opened or closed, magnetic control wire (924) one end is electrically connected with magnetic control means, the other end is connected with external circuit.
3. anti-dried burning control fire sensor according to claim 2, it is characterized in that described magnetic control means is gone up and the magnetic switch (921) moved up and down with temperature-detecting device wire (916) for being arranged on temperature-detecting device wire (916), whether magnetic switch (921) basis senses the magnetic field of magnet (923), exports the data signal opened or closed.
4. anti-dried burning control fire sensor according to claim 2, it is characterized in that described magnetic control means comprise be arranged on the upper and demagnetic stack (925) moved up and down with temperature-detecting device wire (916) of temperature-detecting device wire (916) be arranged on fixed axis (915) outer surface and with the magnetic switch (921) of relative side, magnet (923) position, magnetic switch (921), according to the changes of magnetic field of the magnet (923) sensed, exports the data signal opened or closed.
5. the anti-dried burning control fire sensor according to claim 3 or 4, it is characterized in that described magnetic switch (921) comprises housing and the flexible member (9211) set gradually, S pole magnet (9212), movable contact (9213), fixed contact (9214), N pole magnet (9215), flexible member (9211) one end is connected with housing, the other end is connected with S pole magnet (9212), and movable contact (9213) is connected with magnetic control means wire (924) with fixed contact (9214).
6. anti-dried burning control fire sensor according to claim 2, it is characterized in that described temperature-detecting device (91) also comprises heat shield (913), snap ring (917), heat shield (913) covers on the upper end of dynamic lid (911) outside, fixed axis (915), the top of heat shield (913) is protruded at the top of dynamic lid (911), and snap ring (917) is arranged on the lower end of fixed axis.
7. anti-dried burning control fire sensor according to claim 2, it is characterized in that described pan condition checkout gear (92) also comprises the magnet mounting bracket (922) be fixed on fixed axis (915), magnet (923) is arranged on magnet mounting bracket (922).
8. a gas-cooker, comprises burner, intake channel (73), power supply (12), controller (1), magnetic valve (82), self-priming valve (62), center air channel (71), outer shroud gas circuit (72), thermocouple (11), burner is provided with central flame cap (21) and external ring fire cover (22), and center air channel (71) is communicated with intake channel (73) and central flame cap (21) by magnetic valve (82), and outer shroud gas circuit (72) is successively by magnetic valve (82), self-priming valve (62) is communicated with intake channel (73) and external ring fire cover (22), magnetic valve (82), self-priming valve (62) is electrically connected with controller (1), characterized by further comprising the anti-dried burning control fire sensor (9) described in any one of claim 1 ~ 7 being arranged on burner centre position, the temperature-detecting device (91) in anti-dried burning control fire sensor (9), pan condition checkout gear (92) is electrically connected with controller (1), the electric signal Controlling solenoid valve (82) that controller (1) transmits according to kitchen range anti-dried burning control fire sensor (9), the opening and closing of self-priming valve (62).
9. gas-cooker according to claim 8, is characterized in that described thermocouple (11) directly and the electrical connection of magnetic valve (82), the opening and closing of Controlling solenoid valve (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410567989.4A CN104296187B (en) | 2014-10-23 | 2014-10-23 | Burnout-preventing fire control sensor and gas cooker utilizing same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410567989.4A CN104296187B (en) | 2014-10-23 | 2014-10-23 | Burnout-preventing fire control sensor and gas cooker utilizing same |
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| CN104296187A true CN104296187A (en) | 2015-01-21 |
| CN104296187B CN104296187B (en) | 2017-02-22 |
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| CN201410567989.4A Active CN104296187B (en) | 2014-10-23 | 2014-10-23 | Burnout-preventing fire control sensor and gas cooker utilizing same |
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| CN107917445A (en) * | 2017-11-30 | 2018-04-17 | 浙江帅康电气股份有限公司 | A kind of gas-cooker anti-dry control system |
| CN108006711A (en) * | 2018-01-04 | 2018-05-08 | 杨明斌 | Gas furnace temperature sensor |
| CN107997609A (en) * | 2017-12-05 | 2018-05-08 | 杭州富阳腾飞科技有限公司 | Magnetic force cookware overtemperature protection system |
| CN109631092A (en) * | 2018-12-31 | 2019-04-16 | 佛山市云米电器科技有限公司 | A kind of anti-dry telescopic folding kitchen range |
| CN109899838A (en) * | 2017-12-08 | 2019-06-18 | 博西华电器（江苏）有限公司 | A kind of kitchen range and its cookware detection device |
| CN112051765A (en) * | 2020-08-13 | 2020-12-08 | 浙江达峰科技有限公司 | Dry burning prevention control circuit system and method for integrated cooker |
| WO2021017863A1 (en) * | 2019-07-29 | 2021-02-04 | 卢驭龙 | Electric flame stove having pot detection function |
| JP2022071435A (en) * | 2020-10-28 | 2022-05-16 | 株式会社芝浦電子 | Temperature sensor and cooking appliance |
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| WO2021017863A1 (en) * | 2019-07-29 | 2021-02-04 | 卢驭龙 | Electric flame stove having pot detection function |
| CN112051765A (en) * | 2020-08-13 | 2020-12-08 | 浙江达峰科技有限公司 | Dry burning prevention control circuit system and method for integrated cooker |
| JP2022071435A (en) * | 2020-10-28 | 2022-05-16 | 株式会社芝浦電子 | Temperature sensor and cooking appliance |
| JP7097419B2 (en) | 2020-10-28 | 2022-07-07 | 株式会社芝浦電子 | Temperature sensor and cooking equipment |
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| CN104296187B (en) | 2017-02-22 |
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