CN103629707A - Gas cooker dry burning preventing device with self power generation function - Google Patents
Gas cooker dry burning preventing device with self power generation function Download PDFInfo
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- CN103629707A CN103629707A CN201310721846.XA CN201310721846A CN103629707A CN 103629707 A CN103629707 A CN 103629707A CN 201310721846 A CN201310721846 A CN 201310721846A CN 103629707 A CN103629707 A CN 103629707A
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- dry burning
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Abstract
The invention provides a gas cooker dry burning preventing device with a self power generation function, and belongs to the technical field of cooker dry burning prevention. The dry burning preventing device provided by the invention aims to solve the problem that an existing cooker dry burning preventing device is inconvenient to use due to the requirement for an external power source. A direct flame fuel cell of the gas cooker dry burning-preventing device is placed in a flame of the gas cooker; the temperature measuring end of a thermocouple is embedded in a thermal insulating body, and is used for being contacted with the temperature measurement point of a pot on the cooker; the thermocouple is arranged on a direction regulator; electric energy output by the direct flame fuel cell is used as working power supply to a microprocessor and is also used for providing charging power supply to a rechargeable battery; the power supply end of the rechargeable battery is connected with the power supply end of the microprocessor; the temperature signal acquisition end of the microprocessor is connected with the temperature signal output end of the thermocouple; a control signal output by the microprocessor is used for controlling a gas valve to be closed. The gas cooker dry burning preventing device is used for dry burning prevention of the gas cooker.
Description
Technical field
The present invention relates to have the gas combustion cooking utensil anti-dry burning device of spontaneous electrical function, belong to cooker anti-dry technical field.
Background technology
Along with the development of kitchen culture, various anti-dry cookers are born in succession.Anti-dry cooker can complete the work of surveying dry combustion method, report to the police and stop dry combustion method, its principle is to gather temperature of boiler by temperature sensor being placed in to cooker inside or being close to cooker outside, again by the temperature information process single-chip microcomputer analyzing and processing gathering, be judged to be after dry combustion method, control warning device and report to the police or directly cut off the electricity supply or source of the gas, reach the object of anti-dry.Chinese patent < < anti-dry heating gas-cooker tool > >, publication number is CN202561827U, open day is 20121128, disclose and utilized the temperature sensor of being close to pan bottom that temperature information is sent to controller and design temperature contrasts, when kitchen range during in dry combustion method flame temperature too high, while having surpassed the reduced temperature of setting, controller prevents that by closed electromagnetic valve kitchen range from burning away, and prevents the technical scheme of the generation of cooker dry combustion method; Chinese patent < < overheating air-burn preventing device of gas stove > >, publication number is CN201425328, open day is 20100317, disclosed technical scheme is: control circuit passes to singlechip microprocessor by the temperature data collecting, singlechip microprocessor is carried out formula analysis and by main control valve control circuit, is controlled the keying of main solenoid valve, prevent overheating air-burn, it is provided with alarm, and alarm can send alarming sound., there is following problem in above-mentioned anti-dry burning device:
One, the existence of circuit need to have additional power source or battery, because additional power source is 220 volts of civil powers mostly, dangerous high; And battery is because electric weight is limited, need during use charging or change battery, cause the not convenient of use.
Two, anti-dry burning device and cooker are formed to one, make cost high, and cause cooker heavy, difficult maintenance.
Three, pot external body temperature measuring equipment, owing to being subject to heated air stream disturbance, affects temperature-measuring results, causes the precision of temperature monitoring and accuracy rate low, is prone to wrong report phenomenon.
Summary of the invention
The present invention seeks in order to solve existing cooker anti-dry burning device due to needs additional power source, cause not problem easily of use, a kind of gas combustion cooking utensil anti-dry burning device with spontaneous electrical function is provided.
The gas combustion cooking utensil anti-dry burning device with spontaneous electrical function of the present invention, it comprises microprocessor, it also comprises thermocouple, direct flame fuel battery group, direction regulator, thermal insulator and rechargeable battery,
Direct flame fuel battery group, by a plurality of sheet direct flame fuel battery monomer compositions, is realized and is connected in series and fixes by stainless steel adapting piece between a plurality of sheet direct flame fuel battery monomers;
Direct flame fuel battery group is used for being seated in gas combustion cooking utensil flame, and the thermometric end of thermocouple is embedded in thermal insulator, and the thermometric end of thermocouple is for contacting with the point for measuring temperature of cooker upper pan body, and thermocouple is arranged on direction regulator;
The electric energy of direct flame fuel battery group output is used as the working power of microprocessor, and simultaneously for rechargeable battery provides charge power supply;
The power supply side of rechargeable battery connects the power supply side of microprocessor, and the temperature signal collection end of microprocessor connects the temperature signal output of thermocouple, and the control signal of microprocessor output is for controlling the cut-out of burnt gas valve.
It also comprises alarm, and the alarm signal input of alarm connects the alarm signal output ends of microprocessor.
Described thermal insulator is porous ceramics piece, ceramic fiber block, silica brick, clay brick or magnesia brick.
Described rechargeable battery is lithium ion battery or Ni-MH battery.
Described direction regulator is comprised of telescopic spring bar, spherical joint and support, and telescopic spring bar bottom is fixed on support, and telescopic spring masthead end arranges spherical joint, fixing thermal insulator on spherical joint.
Described direction regulator is comprised of a plurality of springs and base, and base is square or circular metal plate, and the bottom of a plurality of springs is fixed on base, and the top of a plurality of springs is fixedly connected with the lower surface of thermal insulator.
Described sheet direct flame fuel battery monomer is comprised of anode, electrolyte and negative electrode;
Described anode is that the composite being comprised of magnesium-yttrium-transition metal and oxide material is made.
Advantage of the present invention: the present invention adopts direct flame fuel battery group is placed in to the mode in flame, realizes self power generation, safety easy to use.And this anti-dry burning device and cooker are split type, be suitable for being used in conjunction with each body pot body and gas combustion cooking utensil, versatility is good, has reduced the cost of cooker anti-dry, easy access; By the form in thermocouple temperature measurement end configuration thermal insulator, ensure data stability and the accuracy of thermocouple temperature measurement, improved the reliability of device.
Microprocessor can be processed judgement to the temperature data gathering, and provides alarm signal and cuts off combustion gas signal, has realized thus anti-dry.Direct flame fuel battery group is usingd not complete oxidation fuel in flame and oxygen as raw material, and by gas flow, be delivered directly on the electrode of battery cell both sides and realize generating, safeguards system power supply, and utilize rechargeable battery to store unnecessary electric energy.The various hidden danger that make thus described anti-dry burning device both can avoid cooker dry combustion method to bring, and reduced the pollution that imperfect combustion raw material discharge brings.
Accompanying drawing explanation
Fig. 1 be gas combustion cooking utensil anti-dry burning device of the present invention in use put schematic diagram;
Fig. 2 is that gas combustion cooking utensil anti-dry burning device of the present invention is related to schematic diagram with the correspondence position of pot body;
Fig. 3 is the structural representation of direction regulator described in embodiment five;
Fig. 4 is the signal controlling schematic diagram of gas combustion cooking utensil anti-dry burning device of the present invention;
Fig. 5 is the structural representation that makes interconnective stainless steel adapting piece between a plurality of sheet direct flame fuel battery monomers;
Fig. 6 is the schematic diagram after a plurality of sheet direct flame fuel battery monomers and stainless steel adapting piece assembling.
The specific embodiment
The specific embodiment one: present embodiment is described below in conjunction with Fig. 1 to Fig. 6, the gas combustion cooking utensil anti-dry burning device described in present embodiment with spontaneous electrical function, it comprises microprocessor 1, it also comprises thermocouple 2, direct flame fuel battery group 3, direction regulator 4, thermal insulator 5 and rechargeable battery 6
Direct flame fuel battery group 3, by a plurality of sheet direct flame fuel battery monomer compositions, is realized and is connected in series and fixes by stainless steel adapting piece between a plurality of sheet direct flame fuel battery monomers;
Direct flame fuel battery group 3 is for being seated in gas combustion cooking utensil flame, and the thermometric end of thermocouple 2 is embedded in thermal insulator 5, and the thermometric end of thermocouple 2 is for contacting with the point for measuring temperature of cooker upper pan body, and thermocouple 2 is arranged on direction regulator 4;
The electric energy of direct flame fuel battery group 3 outputs is used as the working power of microprocessor 1, and simultaneously for rechargeable battery 6 provides charge power supply;
The power supply side of rechargeable battery 6 connects the power supply side of microprocessor 1, and the temperature signal collection end of microprocessor 1 connects the temperature signal output of thermocouple 2, and the control signal of microprocessor 1 output is for controlling the cut-out of burnt gas valve.
Thermal insulator described in present embodiment 5 is arranged on the thermometric end of thermocouple 2, and thermocouple 2 is when measuring temperature, and thermal insulator 5 can contact with pot body, and it can suppress the impact that the rapid fluctuations of temperature signal causes thermocouple 2 temperature-measuring results; Thermocouple 2 is seated on direction regulator 4, is for the direction regulatory function by direction regulator 4, to realize the automatic adjusting in thermocouple 2 orientation; Rechargeable battery 6 has the ability of repeated charge, it can provide working power for microprocessor 1 in the cooker ignition trigger stage, direct flame fuel battery group 3 is fixed on the position that has flame to pass through on cooker bocca place or Holder for cooking utensils, after cooker igniting normal operation, by direct flame fuel battery group 3, provide working power for microprocessor 1, and give rechargeable battery 6 chargings, direct flame fuel battery group 3 is utilized gas flame maintenance work temperature; Direction regulator 4 can be arranged on the pot body stent of cooker; The thermometric end end of thermocouple 2 is concordant with the upper surface of thermal insulator 5.
In direct flame fuel battery group 3, between a plurality of sheet direct flame fuel battery monomers, by stainless steel adapting piece, connect and fix, the electrode of each sheet direct flame fuel battery monomer both sides is the electric current collection district close contact of two stainless steel adapting pieces corresponding with both sides respectively, snatch is set on stainless steel adapting piece, to fasten the electrodeless region of battery cell periphery, realize fixing, the snatch of same battery cell both sides stainless steel adapting piece will keep mutually staggering and not contacting mutually, the electric current collection district of stainless steel adapting piece forms pores array to guarantee gas communication, two stainless steel adapting pieces are the connecting lead wire with external circuit as direct flame fuel battery group 3 finally.
The specific embodiment two: below in conjunction with Fig. 4, present embodiment is described, present embodiment is described further embodiment one, and present embodiment also comprises alarm 7, the alarm signal input of alarm 7 connects the alarm signal output ends of microprocessor 1.
The specific embodiment three: present embodiment is described further embodiment one or two, thermal insulator 5 is porous ceramics piece, ceramic fiber block, silica brick, clay brick or magnesia brick described in present embodiment.
The shape of described thermal insulator 5 can be cylindrical or cube, and it possesses two functions: the one, and can stop the thermometric end of thermocouple 2 to contact with thermal current, the 2nd, the specific heat capacity of increase thermocouple 2, reduces the fluctuation of temperature signal.
The specific embodiment four: present embodiment is described further embodiment one, two or three, rechargeable battery 6 is lithium ion battery or Ni-MH battery described in present embodiment.
The specific embodiment five: present embodiment is described below in conjunction with Fig. 3, present embodiment is described further embodiment one, two, three or four, described in present embodiment, direction regulator 4 is comprised of telescopic spring bar 4-1, spherical joint 4-2 and support 4-3, telescopic spring bar 4-1 bottom is fixed on support 4-3, telescopic spring bar 4-1 top arranges spherical joint 4-2, the upper fixedly thermal insulator 5 of spherical joint 4-2.
It is upper that present embodiment is fixed on spherical joint 4-2 by thermal insulator 5, and thermocouple 2 is by being embedded in contacting of the interior realization of thermal insulator 5 and pot body.The support 4-3 of direction regulator 4 can be fixed on Holder for cooking utensils, telescopic spring bar 4-1 can realize the adjusting in upper and lower orientation, flexible scope is within the scope of 0.01～5cm, spherical joint 4-2 is comprised of an opening spherical shell and the ball including, can realize certain angular adjustment, mating reaction makes thermal insulator 5 surfaces and pot body keep in touch with maximum contact-making surface, and guarantees that the thermometric end of thermocouple 2 contacts a pot body reliably, can make again pot body rapidly and thermocouple 2 disengagings under non-working condition.
In use, direction regulator 4 can automatically change angle to present embodiment under pot body pressure, makes thermal insulator 5 upper surfaces and pot body close contact, and the thermometric end of thermocouple 2 also contacts with pot body simultaneously.Telescopic spring bar 4-1 inner spring is one, and its cross-sectional area is between 0.01～20cm * cm, and height is within the scope of 0.01～4cm.
The specific embodiment six: present embodiment is described further embodiment one, two, three or four, described in present embodiment, direction regulator 4 is comprised of a plurality of springs and base, base is square or circular metal plate, the bottom of a plurality of springs is fixed on base, and the top of a plurality of springs is fixedly connected with the lower surface of thermal insulator 5.
In present embodiment, spring can be 3, and its stiffness factor is within the scope of 0.5～10N/cm, and spring height is within the scope of 0.01～4cm; Spring also can be 2 or 4～16, and its stiffness factor is within the scope of 0.5～10N/cm, and spring height is within the scope of 0.01～4cm; Direction regulator 4 contacts with pot body, and under the pressure of pot body, due to stressed difference, the compression degree of spring is different, can realize the automatic height coordinating with pot body and the adjusting of angle.Spring can adopt spring probe to replace.
The specific embodiment seven: present embodiment is described further embodiment one, two, three, four, five or six, sheet direct flame fuel battery monomer is comprised of anode, electrolyte and negative electrode described in present embodiment;
Described anode is that the composite being comprised of magnesium-yttrium-transition metal and oxide material is made.
Described anode can keep the stable of chemical constituent and loose structure in flame, and can carry out electrochemical oxidation to the reproducibility component in flame.Described magnesium-yttrium-transition metal simple substance is Ni, Fe, Co, Cu; Described oxide material is the cermet that forms of rear-earth-doped zirconia or the A1-xA ' xB1-yB ' yO consisting of rare earth, alkaline earth and magnesium-yttrium-transition metal
3type composite oxides or rear-earth-doped oxidation zirconium, wherein the mass ratio of magnesium-yttrium-transition metal simple substance and doped zirconia is 0.1 to 5, the composition of the rare earth adulterating in doped zirconia is Y, Sc, La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu, and doping is 1mol% to 50mol%; A1-xA ' xB1-yB ' yO
3a position in type composite oxides is rare earth element, comprises La, Pr, Sm and Nd, and A ' is alkaline earth element, comprises Ca, Sr and Ba; B is a kind of transiting group metal elements, comprises Ti, V and Cr, and B ' is another kind of transition metal, comprises Mn, Fe, Co and Ni; X span is that 0 to 0.5, y span is 0 to 0.5.
Described electrolyte has at the oxide ion conduction ability of 10 ° C to 500 ° C warm area or hydrogen ion conductive capability, specifically comprises rear-earth-doped ZrO2, rear-earth-doped CeO2 and rear-earth-doped BaCeO
3, SrCeO
3, BaZrO
3and SrZrO
3, its rare earth elements comprises Y, Sc, La, Ce, Pr, Nd, Sm, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu, in order to replace Zr or Ce, doping is 1mol% to 50mol%.
Described negative electrode for can be in flame stable existence the oxygen in flame is realized to the porous material of electrochemical reduction, it comprises noble metal and/or oxide material; Noble metal comprises Ag, Au, Pt, Rh, Ru, Pd, Ir and Os, oxide material comprises the composite oxides that have perovskite crystal structure, are comprised of rare earth, alkaline earth and magnesium-yttrium-transition metal, and on the basis of these composite oxides, added the composite that noble metal or oxide electrolyte form, its rare earth elements comprises La, Pr, Nd, Sm, Gd, Dy, Ho, Er, Tm, Yb and Lu, alkaline earth element comprises Ca, Sr and Ba, magnesium-yttrium-transition metal comprises Mn, Co, Fe and Ni, and described oxide electrolyte refers to doped zirconia or doped cerium oxide.
Claims (7)
1. a gas combustion cooking utensil anti-dry burning device with spontaneous electrical function, it comprises microprocessor (1), it is characterized in that, it also comprises thermocouple (2), direct flame fuel battery group (3), direction regulator (4), thermal insulator (5) and rechargeable battery (6)
Direct flame fuel battery group (3), by a plurality of sheet direct flame fuel battery monomer compositions, is realized and is connected in series and fixes by stainless steel adapting piece between a plurality of sheet direct flame fuel battery monomers;
Direct flame fuel battery group (3) is for being seated in gas combustion cooking utensil flame, the thermometric end of thermocouple (2) is embedded in thermal insulator (5), the thermometric end of thermocouple (2) is for contacting with the point for measuring temperature of cooker upper pan body, and thermocouple (2) is arranged on direction regulator (4);
The electric energy of direct flame fuel battery group (3) output is used as the working power of microprocessor (1), and for rechargeable battery (6), provides charge power supply simultaneously;
The power supply side of rechargeable battery (6) connects the power supply side of microprocessor (1), the temperature signal collection end of microprocessor (1) connects the temperature signal output of thermocouple (2), and the control signal of microprocessor (1) output is for controlling the cut-out of burnt gas valve.
2. the gas combustion cooking utensil anti-dry burning device with spontaneous electrical function according to claim 1, is characterized in that, it also comprises alarm (7), and the alarm signal input of alarm (7) connects the alarm signal output ends of microprocessor (1).
3. the gas combustion cooking utensil anti-dry burning device with spontaneous electrical function according to claim 1 and 2, is characterized in that, described thermal insulator (5) is porous ceramics piece, ceramic fiber block, silica brick, clay brick or magnesia brick.
4. the gas combustion cooking utensil anti-dry burning device with spontaneous electrical function according to claim 3, is characterized in that, described rechargeable battery (6) is lithium ion battery or Ni-MH battery.
5. the gas combustion cooking utensil anti-dry burning device with spontaneous electrical function according to claim 4, it is characterized in that, described direction regulator (4) is comprised of telescopic spring bar (4-1), spherical joint (4-2) and support (4-3), telescopic spring bar (4-1) bottom is fixed on support (4-3), telescopic spring bar (4-1) top arranges spherical joint (4-2), the upper fixedly thermal insulator (5) of spherical joint (4-2).
6. the gas combustion cooking utensil anti-dry burning device with spontaneous electrical function according to claim 4, it is characterized in that, described direction regulator (4) is comprised of a plurality of springs and base, base is square or circular metal plate, the bottom of a plurality of springs is fixed on base, and the top of a plurality of springs is fixedly connected with the lower surface of thermal insulator (5).
7. according to the gas combustion cooking utensil anti-dry burning device with spontaneous electrical function described in claim 5 or 6, it is characterized in that, described sheet direct flame fuel battery monomer is comprised of anode, electrolyte and negative electrode;
Described anode is that the composite being comprised of magnesium-yttrium-transition metal and oxide material is made.
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| CN201310721846.XA CN103629707B (en) | 2013-12-24 | 2013-12-24 | There is the gas combustion cooking utensil anti-dry burning device of spontaneous electrical function |
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| CN103629707B CN103629707B (en) | 2015-08-19 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105020750A (en) * | 2015-08-11 | 2015-11-04 | 迅达科技集团股份有限公司 | Multi-point temperature measuring boiler support and intelligent gas cooker with same |
| CN108392091A (en) * | 2018-05-09 | 2018-08-14 | 湖南工业大学 | A kind of anti-dry thermometric contact device |
| CN108599620A (en) * | 2018-01-31 | 2018-09-28 | 佛山市云米电器科技有限公司 | A kind of gas cooker improving dry cell cruising ability |
| CN108980835A (en) * | 2018-07-05 | 2018-12-11 | 南京锐控机电制造有限公司 | The gas source identification of the combustion system and the system of a kind of automatic control and electricity-generating method |
| CN109757974A (en) * | 2019-04-01 | 2019-05-17 | 广东瑞德智能科技股份有限公司 | Fill the water control method, device, computer equipment and storage medium |
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| CN109757974A (en) * | 2019-04-01 | 2019-05-17 | 广东瑞德智能科技股份有限公司 | Fill the water control method, device, computer equipment and storage medium |
| CN109757974B (en) * | 2019-04-01 | 2021-07-23 | 广东瑞德智能科技股份有限公司 | Water injection control method and device, computer equipment and storage medium |
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| CN103629707B (en) | 2015-08-19 |
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