CN103900121A - Self-inspection method of active air inlet gas stove - Google Patents
Self-inspection method of active air inlet gas stove Download PDFInfo
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- CN103900121A CN103900121A CN201410080483.0A CN201410080483A CN103900121A CN 103900121 A CN103900121 A CN 103900121A CN 201410080483 A CN201410080483 A CN 201410080483A CN 103900121 A CN103900121 A CN 103900121A
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Abstract
The invention relates to a self-inspection method of an active air inlet gas stove. The active air inlet gas stove comprises an igniter, an electromagnetic valve, a burner (10), a fan (2) and a gas pipe (9), and the active air inlet gas stove is characterized by further comprising a controller (101) and a proportional valve (8) controlled by the controller (101), wherein the proportional valve (8) is arranged on the gas pipe (9), and the air outlet end of the fan (2) is communicated with an air inlet end opening of an injecting pipe and a secondary air outlet respectively; the fan (2) is controlled by the controller (101), every time when the controller (101) receives a starting-up ignition signal, the controller (101) firstly outputs a control signal to the fan (2) to enable the fan (2) to operate for 1s-10s, then the igniter is started for igniting, and the proportional valve and the electromagnetic valve are switched on. The self-inspection method provided by the invention has the advantages that surplus fuel gas in a fuel gas mixing cavity is removed actively after every-time use of the gas stove, so that an over-large and over-high flame phenomenon in starting-up is avoided.
Description
Technical field
The present invention relates to a kind of self checking method of active air intake gas-cooker.
Background technology
Existing household gas range is to adopt nature injection primary air mostly, the structure that combustion gas mixes with air natural, and this structure gas is difficult to control with air mixed proportion and mixing uniformity, finally affects the efficiency of combustion of gas-cooker.
Also have and adopt the structure of blower fan to the direct air blast of burner, in the time of adjustment of combustion gas flow, primary air amount does not increase in proportion simultaneously or reduces with gas quantity, produce air capacity not enough or superfluous, cause imperfect combustion while existing air capacity not enough to generate more CO, or have excessive air and take away heat energy in flue gas after burning, therefore also can reduce the thermal efficiency of gas-cooker.
For overcoming above-mentioned these defects, gas-cooker is improved.The technical scheme that a large amount of auxiliary airs fill into is proposed, as the patent No. Chinese invention patent " burner for gas stove " (Granted publication number is CN101162088B) that is ZL200710188684.2; The patent No. is 200920061965.6 Chinese utility model patent " burner for gas stove " (Granted publication number is CN201448848U); Application number is open " upper air inlet burner of gas cooker " (application publication number CN102661606A) of Chinese invention patent application of 201210170857.9 etc.
For further reaching the mixed proportion of accurate control combustion gas and air, proposed a lot of technical schemes and improved, the Chinese invention patent application that is 200910039462.3 as application number discloses " electrically-controlled scaling adjusted gas-cooker " (application publication number is CN101886820A); Application number is open " household gas range " (application publication number is CN103292325A) of Chinese invention patent application of 201310264505.4 etc.
But, gas-cooker of the prior art, all how much can exist when igniting occur " bang " a sound, flame is also very high, its reason is also to have more residue combustion gas in the gas hybrid chamber of gas-cooker, and these combustion gas are to use last time after closing fire to stockpile causing in hybrid chamber.And in prior art in controlling combustion gas and air mixed proportion, only filling into of primary air controlled, also control effectively and do not contrast filling into of auxiliary air, and whether the burning of combustion gas is abundant, fill into and the filling into of auxiliary air of primary air be all exist very important associated, ignore wherein, and its efficiency of combustion just can not perform to optimum state.
Summary of the invention
Technical problem to be solved by this invention is the self checking method that a kind of active air intake gas-cooker is provided for above-mentioned prior art, this self checking method can after gas-cooker is finished using at every turn, initiatively clean in combustion gas mixing chamber more than combustion gas, thereby the excessive too high phenomenon of flame while avoiding opening fire.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of self checking method of active air intake gas-cooker, described active air intake gas-cooker comprises igniter, magnetic valve, burner, blower fan and Gas Pipe, this burner lower end has induction tunnel, upper end has multiple fire output holes, aforesaid blower fan is for initiatively filling into air to burner, the corresponding aforesaid induction tunnel setting of aforesaid Gas Pipe also can provide combustion gas, it is characterized in that: described active air intake gas-cooker also comprises controller and is controlled by the proportioning valve of aforementioned controller, this proportioning valve is located in Gas Pipe, the upper end of described burner also has multiple auxiliary air ventholes of arranging near aforementioned fire output hole, the outlet side of described blower fan communicates with air inlet port and the aforementioned auxiliary air venthole of induction tunnel respectively, and, described blower fan is controlled by aforesaid controller, described controller receives after start ignition signal at every turn, controller is first exported control signal fan and is made blower fan running 1S～10S, and then opening point firearm starts igniting, and open proportioning valve and magnetic valve.
As improvement, described controller receives after the flame-out signal of shutdown at every turn, and controller is first exported control signal to proportioning valve and magnetic valve, makes proportioning valve and closed electromagnetic valve, then exports control signal fan and blower fan is remained in operation after 5S～12S close blower fan.
Improve again, described active air intake gas-cooker also comprises the flame detection unit and the alarm that are connected with described controller, flame detection unit is corresponding with described fire output hole, when after the igniter igniting of gas-cooker, whether flame detection unit detects flame, if any, igniter quits work, as nothing, controller again drive point firearm is lighted a fire 1～3 time, if flame detection unit can't detect flare up fire always, described controller is reported to the police flame abnormal alarm signal by alarm, close described proportioning valve and described blower fan with Time Controller output control signal, and export control signal and close the magnetic valve of gas-cooker.
Improve again; described active air intake gas-cooker also comprises the temperature relay for carrying out overtemperature protection to detecting gas-cooker; this temperature relay is connected with described controller; in the time that controller detects temperature relay abnormal operation, overheating fault alarm signal is reported to the police by alarm; close described proportioning valve and described blower fan with Time Controller output control signal, and export control signal and close the magnetic valve of gas-cooker.
Improve again, after initiatively air intake gas-cooker general supply is opened, before start igniting, first check that whether magnetic valve is normal, as abnormal in magnetic valve appearance, report to the police by described alarm.
Improve again, the operating portion that aforesaid controller has or is connected with, in controller, be provided with the opening degree of proportioning valve corresponding in different firepower grade situations and the default list of the rotating speed of blower fan, controller can be in the time of the firepower grade of outside operating portion input needs, inquire about this default list, and export respectively control signal to described proportioning valve and described blower fan according to Query Result, control opening degree that described proportioning valve makes described proportioning valve and be the opening degree of the proportioning valve corresponding with this firepower grade, control rotating speed that described blower fan makes described blower fan and be the rotating speed of the blower fan corresponding with this firepower grade.
Preferably, described peripheral operation portion is touch display screen, described firepower grade free adjustment between gas-cooker peak power and minimum power.
Improve again, described blower fan is connected with described controller, and can give described controller by the speed feedback of blower fan in real time, in the time that gas-cooker is operated under a certain firepower grade under outside operating portion input, along with the prolongation of working time, if feed back to the rotating speed that the rotating speed of the blower fan of described controller is not equal to the blower fan corresponding with this firepower grade, controller is constantly exported control signal repeatedly to described blower fan, controlling described blower fan makes the rotating speed of described blower fan constantly approach the rotating speed of the blower fan corresponding with this firepower grade, until reach the rotating speed of the corresponding blower fan of this firepower grade.
In the time that gas-cooker is in duty, when controller can't detect the rotating speed of blower fan feedback in Preset Time, judge that blower fan is abnormal, and blower fan abnormal signal is reported to the police by alarm, close described proportioning valve and magnetic valve with Time Controller output control signal.
When gas-cooker is in duty, and receive after the work timing signal of peripheral operation portion input, controller carries out the timing prompting that expires by described alarm in 30 seconds～60 seconds before the work timing time expires, when the work timing time is to after date, controller output control signal is closed described proportioning valve and described blower fan, and exports control signal and close the magnetic valve of gas-cooker.
Compared with prior art, the invention has the advantages that: controller receives after start ignition signal at every turn, first export control signal fan and make blower fan running 1S～10S, front cleaning is carried out in combustion gas mixing chamber to gas-cooker, ensure can not accumulate and have more than combustion gas in combustion gas mixing chamber, and then opening point firearm starts igniting, and open proportioning valve and magnetic valve, so just can avoid lighting a fire time, there is the excessive too high phenomenon of flame; In addition, in improvement project, controller receives after the flame-out signal of shutdown at every turn, first export control signal to proportioning valve and magnetic valve, make proportioning valve and closed electromagnetic valve, then export control signal fan and blower fan is remained in operation after 5S～12S close blower fan, rear cleaning is carried out in the combustion gas mixing chamber of gas-cooker, ensure that the unnecessary combustion gas of accumulating in combustion gas mixing chamber removes in combustion gas mixing chamber.
Brief description of the drawings
Fig. 1 is the schematic diagram of active air intake gas-cooker in the embodiment of the present invention
Fig. 2 is the schematic diagram (removing after panel) of active air intake gas-cooker in the embodiment of the present invention.
Fig. 3 is part-structure enlarged diagram in Fig. 2.
Fig. 4 is the front schematic view of base in Fig. 3.
Fig. 5 is the decomposition installation diagram of Fig. 3.
Fig. 6 is the decomposition installation diagram at another visual angle of Fig. 3.
Fig. 7 is the Facad structure schematic diagram of Fig. 3.
Fig. 8 is the cutaway view along A-A direction in Fig. 7.
Fig. 9 is the control principle drawing of active air intake gas-cooker in the embodiment of the present invention.
Figure 10 is the self-inspection flow chart of active air intake gas-cooker in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As depicted in figs. 1 and 2, gas-cooker in the present embodiment comprises housing 100, burner 10, blower fan 2, Gas Pipe 9, case 1, gas joint 3, proportioning valve 8 and controller 101, the inner cavity that forms of housing 100 arranges for burner 10, blower fan 2, Gas Pipe 9, case 1, proportioning valve 8 and controller 101, the upper port of housing 100 is provided with panel 103, on panel, be provided with the touch display screen 102 as operating portion, touch display screen 102 is connected with controller 101.Burner 10, blower fan 2, Gas Pipe 9, case 1, gas joint 3 and proportioning valve 8 in the present embodiment are each a set of around.Blower fan 2 and proportioning valve 8 are all controlled by controller 101, and controller 101 is connected with alarm 104 and magnetic valve 105, referring to Fig. 9.Alarm 104 can arrange separately, as is arranged to buzzer, different alarm codes can also be shown by touch display screen 102 simultaneously.
Shown in Fig. 3, Fig. 5 and Fig. 6, burner 10 lower ends have induction tunnel, upper end has multiple fire output holes and multiple auxiliary air venthole of arranging near fire output hole, fire output hole side is provided with igniter 106 and flame detection unit (not shown), the corresponding induction tunnel setting of Gas Pipe 9 can provide combustion gas, case 1 is located at the below of burner 10 and is covered the lower end of burner 10, and the inner chamber of this case 1 is communicated with auxiliary air venthole phase fluid
Blower fan 2 is located at case 1 one sides and air can be introduced in case 1 under power on condition, and particularly, blower fan 2 can be carried by the port sealing of rivet and case 1 one sides and fixing.The outlet side of blower fan 2 communicates with air inlet port and the auxiliary air venthole of induction tunnel respectively.Proportioning valve 8 is located in Gas Pipe 9.
Gas joint 3 is located at an other side of case 1 and is tightly connected with case 1, and gas joint 3 outer ends are connected with Gas Pipe, combustion gas can be introduced in the induction tunnel of burner 10.
Shown in Fig. 4, air fills into the upper surface that ring 6 is located at base 7, from comprising successively that outside to inside outer auxiliary air fills into ring 61, annular connecting portion 6a, outer portion 62, interior connecting portion 6b and central part 63, outer auxiliary air fills on ring 61 and offers outer auxiliary air venthole 64, on annular connecting portion 6a, offer outer vent 67, in outer portion 62, offer first group of air venthole 65, on interior connecting portion 6b, offer interior passage 6d, on central part 63, offer second group of air venthole 66.
Outer fire cover 5 is located at the outer fire output hole 51 of the upper also circumferencial direction of annular connecting portion 6a, inner fire cover 4 is located on interior connecting portion 6b, madial wall offers inner ring fire output hole 42 and lateral wall offers outer ring fire output hole 41, the corresponding outer fire output hole 51 of outer auxiliary air venthole 64 is arranged, the first group of corresponding outer ring of air venthole 65 fire output hole 41 arrange, second group of corresponding inner ring fire output hole 42 of air venthole 66 arranged.
As shown in Figure 7 and Figure 8, outer fire output hole 51 is tilted to outer layout and forms horn-like, outer auxiliary air fills into the stopper 69 that forms the just external fire output hole of outgassing direction that can make auxiliary air on ring 61, this stopper is positioned at the outlet side of outer auxiliary air venthole 64, outer portion 62 and central part 63 are also provided with stopper 69, stopper 69 can make gas mix fully, in addition, can ensure that discharge does not stop up outer auxiliary air venthole 64, first group of air venthole 65 and second group of air venthole 66.
When burner operation, blower fan 2 is worked, air is incorporated in case 1, portion of air fills into combustion gas mixing and enters respectively outer induction tunnel 74 and interior induction tunnel 73 as primary air, portion of air Fen San road fills into as auxiliary air in addition, respectively from outer auxiliary air venthole 64, first group of air venthole 65, second group of air venthole 66 sent, the mist that enters outer induction tunnel 74 and interior induction tunnel 73 respectively from outer fire cover 5 the outer ring fire output hole 41 of fire output hole 51 and inner fire cover 4 and inner ring fire output hole 42 send, the last three circle fire rings that form in burner 10 from inside to outside burn, because primary air and auxiliary air are all drawn from case 1, and air in case 1 is that blower fan 2 brute forces suck in, therefore fuel gas buring is very abundant, at this moment the heat that the air in case 1 will burned device produces is in addition to preheating, the heat that burner 10 produces is recovered utilization by preheating of air in case two, in reducing heat radiation and thermal convection current, further improve the efficiency of combustion of combustion gas.
When burning, air is all that blower fan fills into below burner, quite sufficient, and usage ratio valve is controlled the watt level in kitchen range use, and flow curve is smooth, and user's experience improves greatly; Burner required primary air, auxiliary air in combustion process supplied with by blower fan by best proportioning according to the difference of nozzle flow, burns required primary air, auxiliary air all after preheating; Can effectively improve like this efficiency of combustion (reaching more than 65%), reduce the discharge (in 250ppm) of waste gas, thus the discharge of improving combustion efficiency, reduction waste gas.In combustion process, do not need to supplement air in atmosphere as auxiliary air, can greatly reduce like this height of pan bracket, can make the development prospect of embedded gas range more wide.
Shown in Fig. 9 and Figure 10, the control output end of controller 101 is connected with the control input end of blower fan 2 and the control input end of proportioning valve 8 respectively.Controller 101 receives after start ignition signal at every turn, controller 101 is first exported control signal fan 2 makes blower fan 2 2S that turns round carry out front cleaning, also can select other any number in 1～10 second, and then opening point firearm starts igniting, and open proportioning valve and magnetic valve.Controller 101 receives after the flame-out signal of shutdown at every turn, controller 101 is first exported control signal to proportioning valve and magnetic valve, make proportioning valve and closed electromagnetic valve, then export control signal fan 2 and blower fan 2 is remained in operation close blower fan 2 after 10S to carry out rear cleaning, also can select other any number in 5～12S.
In the present embodiment, the present embodiment Flame detecting unit is corresponding with described fire output hole, when after the igniter igniting of gas-cooker, detect whether there is flame by flame detection unit, if any, igniter quits work, as nothing, controller 101 again drive point firearm is lighted a fire 3 times, if flame detection unit can't detect flare up fire always, described controller 101 is reported to the police flame abnormal alarm signal by alarm, export control signal and close described proportioning valve 8 and described blower fan 2, and export control signal and close the magnetic valve of gas-cooker with Time Controller 101.
In addition, in controller 101, be provided with the opening degree of proportioning valve 8 corresponding in different firepower grade situations and the default list of the rotating speed of blower fan 2, controller 101 can be in the time that outside operating portion 102 be inputted the firepower grade needing, inquire about this default list, and export respectively control signal to described proportioning valve 8 and described blower fan 2 according to Query Result, control opening degree that described proportioning valve 8 makes described proportioning valve 8 and be the opening degree of the proportioning valve 8 corresponding with this firepower grade, control rotating speed that described blower fan 2 makes described blower fan 2 and be the rotating speed of the blower fan 2 corresponding with this firepower grade, the opening degree size of proportioning valve is used for controlling the size of combustion gas specific discharge, the size of rotation speed of fan is used for controlling the amount that air fills into, realize both best proportionings by the opening degree of controlling rotation speed of fan and proportioning valve, make fuel gas buring more abundant.Ginseng---firepower grade and the opening degree of proportioning valve 8 and the rotating speed of blower fan 2 corresponding with this firepower grade of default list are to carry out best pairing setting according to concrete gas-cooker attribute.
In the present embodiment, described firepower grade can be between gas-cooker peak power and minimum power free adjustment, therefore user only need to slide with have gentle hands pine on touch display screen 102, according to the numeral showing, can conveniently find the firepower grade oneself needing, then the opening degree of controller meeting control ratio valve 8 and the rotating speed of blower fan 2, make gas stove energy under any one firepower grade, and combustion gas is fully burnt.
In addition, in the present embodiment, the rotating speed of blower fan 2 can also be given described controller 101 by Real-time Feedback, in the time that gas-cooker is operated under a certain firepower grade under outside operating portion 102 inputs, along with the prolongation of working time, if running into fire output hole stops up, or supply voltage changes, the rotating speed that feeds back to the blower fan 2 of described controller 101 is not equal to the rotating speed of the blower fan corresponding with this firepower grade 2, controller 101 is constantly exported control signal repeatedly to described blower fan 2, controlling described blower fan 2 makes the rotating speed of described blower fan 2 constantly approach the rotating speed of the blower fan corresponding with this firepower grade 2, until reach the rotating speed of the corresponding blower fan of this firepower grade 2.
In addition; active air intake gas-cooker in the present embodiment also comprises the temperature relay 106 for carrying out overtemperature protection to detecting gas-cooker; this temperature relay 106 is also connected with described controller 101; in the time that controller 101 detects temperature relay abnormal operation, overheating fault alarm signal is reported to the police by alarm; export control signal with Time Controller 101 and close described proportioning valve 8 and described blower fan 2, and export control signal and close the magnetic valve of gas-cooker.
In addition, in the time that gas-cooker is in duty, when controller 101 can't detect the rotating speed that blower fan 2 feeds back in Preset Time, judge that blower fan is abnormal, and blower fan abnormal signal is reported to the police by alarm, export control signal with Time Controller 101 and close described proportioning valve 8 and magnetic valve 105.
When gas-cooker is in duty, and receive after the work timing signal that peripheral operation portion 102 inputs, controller 101 carries out the timing prompting that expires by described alarm in 30 seconds～60 seconds before the work timing time expires, when the work timing time is to after date, controller 101 exports control signal and cuts out described proportioning valve 8 and described blower fan 2, and exports control signal and close the magnetic valve of gas-cooker.
Claims (10)
1. the self checking method of an active air intake gas-cooker, described active air intake gas-cooker comprises igniter, magnetic valve, burner (10), blower fan (2) and Gas Pipe (9), this burner (10) lower end has induction tunnel, upper end has multiple fire output holes, aforesaid blower fan (2) is for initiatively filling into air to burner (10), the corresponding aforesaid induction tunnel setting of aforesaid Gas Pipe (9) also can provide combustion gas, it is characterized in that: described active air intake gas-cooker also comprises controller (101) and is controlled by the proportioning valve (8) of aforementioned controller (101), this proportioning valve (8) is located in Gas Pipe (9), the upper end of described burner (10) also has multiple auxiliary air ventholes of arranging near aforementioned fire output hole, the outlet side of described blower fan (2) communicates with air inlet port and the aforementioned auxiliary air venthole of induction tunnel respectively, and, described blower fan (2) is controlled by aforesaid controller (101), described controller (101) receives after start ignition signal at every turn, controller (101) is first exported control signal fan (2) and is made blower fan (2) running 1S～10S, and then opening point firearm starts igniting, and open proportioning valve and magnetic valve.
2. self checking method according to claim 1, it is characterized in that: described controller (101) receives after the flame-out signal of shutdown at every turn, controller (101) is first exported control signal to proportioning valve and magnetic valve, make proportioning valve and closed electromagnetic valve, then export control signal fan (2) and blower fan (2) is remained in operation after 5S～12S close blower fan (2).
3. according to self checking method claimed in claim 1, it is characterized in that: described active air intake gas-cooker also comprises the flame detection unit and the alarm that are connected with described controller (101), flame detection unit is corresponding with described fire output hole, when after the igniter igniting of gas-cooker, whether flame detection unit detects flame, if any, igniter quits work, as nothing, controller (101) again drive point firearm is lighted a fire 1～3 time, if flame detection unit can't detect flare up fire always, described controller (101) is reported to the police flame abnormal alarm signal by alarm, same Time Controller (101) output control signal is closed described proportioning valve (8) and described blower fan (2), and export control signal and close the magnetic valve of gas-cooker.
4. according to self checking method claimed in claim 3; it is characterized in that: described active air intake gas-cooker also comprises the temperature relay for carrying out overtemperature protection to detecting gas-cooker; this temperature relay is connected with described controller (101); in the time that controller (101) detects temperature relay abnormal operation, overheating fault alarm signal is reported to the police by alarm; same Time Controller (101) output control signal is closed described proportioning valve (8) and described blower fan (2), and exports control signal and close the magnetic valve of gas-cooker.
5. according to self checking method claimed in claim 3, it is characterized in that: after initiatively air intake gas-cooker general supply is opened, before start igniting, first check that whether magnetic valve is normal, as abnormal in magnetic valve appearance, report to the police by described alarm.
6. self checking method according to claim 1, it is characterized in that: the operating portion (102) that aforesaid controller (101) has or is connected with, in controller (101), be provided with the opening degree of proportioning valve (8) corresponding in different firepower grade situations and the default list of the rotating speed of blower fan (2), controller (101) can be in the time of the firepower grade that outside operating portion (102) input needs, inquire about this default list, and export respectively control signal to described proportioning valve (8) and described blower fan (2) according to Query Result, control opening degree that described proportioning valve (8) makes described proportioning valve (8) and be the opening degree of the proportioning valve (8) corresponding with this firepower grade, control rotating speed that described blower fan (2) makes described blower fan (2) and be the rotating speed of the blower fan (2) corresponding with this firepower grade.
7. the control method of active air intake gas-cooker according to claim 6, is characterized in that: described peripheral operation portion (102) is touch display screen, described firepower grade free adjustment between gas-cooker peak power and minimum power.
8. self checking method according to claim 6, it is characterized in that: described blower fan (2) is connected with described controller (101), and can give described controller (101) by the speed feedback of blower fan (2) in real time, in the time that gas-cooker is operated under a certain firepower grade under outside operating portion (102) input, along with the prolongation of working time, if the rotating speed that feeds back to the blower fan (2) of described controller (101) is not equal to the rotating speed of the blower fan corresponding with this firepower grade (2), controller (101) is constantly exported control signal repeatedly to described blower fan (2), control the rotating speed that rotating speed that described blower fan (2) makes described blower fan (2) constantly approaches the blower fan corresponding with this firepower grade (2), until reach the rotating speed of the corresponding blower fan of this firepower grade (2).
9. self checking method according to claim 8, it is characterized in that: described active air intake gas-cooker also comprises with described controller (101) and is connected alarm, in the time that gas-cooker is in duty, when controller (101) can't detect the rotating speed of blower fan (2) feedback in Preset Time, judge that blower fan is abnormal, and blower fan abnormal signal is reported to the police by alarm, same to Time Controller (101) output control signal is closed described proportioning valve (8) and magnetic valve.
10. the control method of active air intake gas-cooker according to claim 8, it is characterized in that: when gas-cooker is in duty, and receive after the work timing signal of peripheral operation portion (102) input, controller (101) carries out the timing prompting that expires by described alarm in 30 seconds～60 seconds before the work timing time expires, when the work timing time is to after date, controller (101) output control signal is closed described proportioning valve (8) and described blower fan (2), and exports control signal and close the magnetic valve of gas-cooker.
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| CN201410080483.0A CN103900121B (en) | 2014-03-06 | 2014-03-06 | Self-inspection method of active air inlet gas stove |
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| CN201410080483.0A CN103900121B (en) | 2014-03-06 | 2014-03-06 | Self-inspection method of active air inlet gas stove |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108613223A (en) * | 2018-07-09 | 2018-10-02 | 广东万家乐厨房科技有限公司 | A kind of gas-cooker and gas-cooker system |
| CN109631094A (en) * | 2018-12-14 | 2019-04-16 | 广州市东霸节能科技有限公司 | A kind of starting and detection method of commercial bakeware |
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| CN103900121B (en) | 2017-02-01 |
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