CN102788374A - Automatic timed extinguishing device of gas stove and protection method - Google Patents
Automatic timed extinguishing device of gas stove and protection method Download PDFInfo
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- CN102788374A CN102788374A CN2012102964464A CN201210296446A CN102788374A CN 102788374 A CN102788374 A CN 102788374A CN 2012102964464 A CN2012102964464 A CN 2012102964464A CN 201210296446 A CN201210296446 A CN 201210296446A CN 102788374 A CN102788374 A CN 102788374A
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- countdown
- electromagnetic valve
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000009977 dual effect Effects 0.000 claims description 24
- 230000006698 induction Effects 0.000 claims description 18
- 230000011664 signaling Effects 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010411 cooking Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000881 depressing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The invention provides an automatic timed extinguishing device of a gas stove. The automatic timed extinguishing device comprises a timing gear knob linked with a fire gear knob, a controller capable of periodically detecting a position signal of the timing gear knob, a dual-coil electromagnetic valve for controlling on/off of a gas pipeline, and a thermocouple heated to drive a primary coil of the dual-coil electromagnetic valve to conduct; one end of the primary coil of the dual-coil electromagnetic valve is connected with the thermocouple and the other end thereof is grounded; one end of a secondary coil of the dual-coil electromagnetic valve is connected with the controller and the other end thereof is grounded; and the timing gear knob is connected with the controller. The automatic timed extinguishing device has the beneficial effects that: the timing countdown is carried out after ignition; a gas valve is forcibly closed once the time is up; different countdown time is set according to difference of the fire; in addition, a humanized operation is considered; and timing is carried out again to avoid the effect on normal stove cooking in the timing process if a person adjusts the knob.
Description
Technical field
The present invention relates to kitchen appliance control field, specifically be meant timing automatic blanket of a kind of gas-cooker and guard method.
Background technology
In the prior art, but a kind of be that band shows and the gas-cooker of the timer at button operation interface that another kind is the gas-cooker of no any timing.The user in use; The people is often taken place to be left and forgets and close the kitchen range knob and a pot body takes place burn out; The security incident that serious kitchen range also burn out, the sort of band fixed cycle operator interface, people are in use; All go to be provided with in the time of neither leaving regularly at every turn, always exist not to be provided with regularly and cause a pot body, kitchen range to burn out danger.When kitchen range are worked, having the people to look after nearby is comparison safety, but kitchen range just are easy to generate danger when reaching certain hour when the people leaves.
The patent No. is that 200920198301.4 utility model patent discloses a kind of timing blanket that utilizes dual coil electromagnetic valve control combustion gas break-make, and the problem that this timing blanket exists is: (1) is can not the stepping bit timing flame-out, uses inconvenience; (2) after the operator changed the knob aperture, controlled device structure was limit, and still continued timing with former setting timing value, can not make flexible change, can't adapt to various culinary art needs; (3) generally need not during Attended mode regularly, but this timing blanket can not be made a response when having the people to get into kitchen operation.
Summary of the invention
The present invention is directed to the defective that exists in the prior art, timing automatic blanket of a kind of gas-cooker and guard method are provided, control accuracy is high, principle is simple, reliable in action.
The technical scheme that the present invention adopts is: the timing automatic blanket of gas-cooker; Comprise with the timing gear knob of firepower gear knob interlock, can periodically detect regularly the gear knob position signal controller, be used to control the dual coil electromagnetic valve of fuel gas pipeline break-make and be heated drive the thermocouple of dual coil electromagnetic valve main coil conducting; Main coil one end of dual coil electromagnetic valve connects thermocouple other end ground connection; Secondary coil one end of the dual coil electromagnetic valve other end ground connection that links to each other with controller, regularly the gear knob links to each other with controller; Controller can carry out the countdown of branch gear according to the position signalling that timing gear knob provides, and countdown finishing control device cuts out magnetic valve to dual coil electromagnetic valve secondary coil output backward voltage; Timing gear knob position changes then controller timing zero clearing reclocking in the countdown duration.
As first preferred version of timing gear knob, said timing gear knob is a driving switch, divides big fire, moderate heat, little fire and closes fiery fourth gear, and the quiet contact jaw of each gear is through the resistance eutral grounding of a respective resistance values.
As another preferred version of timing gear knob, said timing gear knob is a potentiometer, is provided with in the controller according to the real-time resistance of timing gear knob and corresponding gear threshold ratio to draw the comparator of corresponding timing ga(u)ge duration.
Further, said controller is provided with at the timing length intercycle property collection signal picker of gear positions signal regularly, collects when regularly the gear knob position signal changes, and controller is removed timing and according to new position signalling countdown again.
Further, said big fire screen countdown is decided to be 45 minutes automatically, and middle fire screen is decided to be 60 minutes automatically, and little fire screen is decided to be 90 minutes automatically; Said timing gear knob position signal collection period is 30 seconds.
Flame-out in order to stop when the Attended mode regularly, said controller also is connected with a human induction switch, and controller was removed timing when human induction switch had sent people's active signal to controller; Human induction switch when controller sends unmanned active signal controller according to the countdown again of timing gear knob position signal.
The present invention also provides a kind of gas-cooker timing automatic blowout protection method; May further comprise the steps: (1) manual unlocking regularly gear knob is opened fire; Controller is exported forward voltage to the secondary coil of dual coil electromagnetic valve after detecting firing pulse, the energising of secondary coil forward, and magnetic valve is opened; (2) make the main coil of dual coil electromagnetic valve keep conducting after thermocouple is heated, magnetic valve stays open state, and controller cuts off secondary coil and carries out the countdown of branch gear according to timing gear knob position signal; (3) in the countdown duration, the collection of controller cycle property is gear knob signal regularly, if timing gear knob signal no change continues timing; If regularly gear knob signal changes, controller is removed timing and according to new position signalling countdown again; (4) countdown finishes, and controller is exported backward voltage to secondary coil, the magnetic field cancellation that main and sub-coil produces, and closed electromagnetic valve cuts off the gas supply auto extinguishing, and controller is removed timing, and thermocouple cooling back cuts off the main coil loop.
Further, also comprise step (3-1) in the said step (3): in the countdown duration, controller continues to gather in real time the human induction switch signal, and controller was removed timing when human induction switch had sent people's active signal to controller; Human induction switch when controller sends unmanned active signal controller according to the countdown again of timing gear knob position signal.
Beneficial effect of the present invention mainly shows: by force to carrying out timing countdown behind the kitchen range combustions fire, the time one is to promptly closing burnt gas valve by force, but the difference big or small according to firepower; The not isometric countdown time is set; Also consider the hommization operation in addition, in timing process, if there is the people to regulate knob; Then carry out timing again, in order to avoid influence normal kitchen range culinary art.Through this setting, gas-cooker is in fired state always can thoroughly to avoid personnel to leave afterwards, thus the potential safety hazard of stopping.
Description of drawings
Fig. 1 is the regularly schematic flow sheet of blowout protection method of the present invention.
Fig. 2 is the regularly circuit structure schematic diagram of blanket of the present invention.
1 is thermocouple, and 2 is the dual coil electromagnetic valve, and 3 is controller, and 4 for being assemblied in the timing gear knob on the valve body swing arm.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail:
With reference to Fig. 1; The timing automatic blanket of gas-cooker; Comprise with the timing gear knob 4 of firepower gear knob interlock, can periodically detect regularly the controller 3 of gear knob position signal (i.e. IC1 among the figure), be used to control the dual coil electromagnetic valve 2 of fuel gas pipeline break-make and be heated drive the thermocouple 1 of dual coil electromagnetic valve main coil conducting; Main coil 2-1 one end of dual coil electromagnetic valve connects thermocouple 1 other end ground connection (1.5v); Secondary coil 2-2 one end of the dual coil electromagnetic valve other end ground connection (1.5v) that links to each other with controller, regularly gear knob 4 links to each other with controller 3; Controller 3 can carry out the countdown of branch gear according to the position signalling that timing gear knob 4 provides, and countdown finishing control device 3 cuts out magnetic valve to dual coil electromagnetic valve secondary coil 2-2 output backward voltage; Regularly then controller 3 timing zero clearing reclockings of gear knob 4 change in location in the countdown duration.
In the present embodiment, regularly gear knob 4 is a driving switch, divides big fire, moderate heat, little fire and closes fiery fourth gear, and the quiet contact jaw of each gear is through the resistance eutral grounding of a respective resistance values.
As another preferred version of timing gear knob, regularly gear knob 4 also can be a potentiometer, is provided with in the controller 3 according to the real-time resistance of timing gear knob and corresponding gear threshold ratio than to draw the comparator of corresponding timing ga(u)ge duration.
The controller 3 of present embodiment also is provided with at the timing length intercycle property collection signal picker of gear positions signal regularly, collects when regularly the gear knob position signal changes, and controller 3 is removed timing and according to new position signalling countdown again.
For adapting to various cooking methods, big fire screen countdown is decided to be 45 minutes automatically, and middle fire screen is decided to be 60 minutes automatically, and little fire screen is decided to be 90 minutes automatically; Regularly gear knob position signal collection period was 30 seconds, whenever gathered once regularly gear knob position signal at a distance from 30 seconds.
Present embodiment middle controller 3 also is connected with a human induction switch 5, and controller 3 was removed timing when human induction switch 5 had sent people's active signal to controller 3; Controller was according to the countdown again of timing gear knob position signal when human induction switch 5 sent unmanned active signal to controller 3.
With reference to Fig. 2; The present invention also provides a kind of gas-cooker timing automatic blowout protection method, may further comprise the steps: (1) manual unlocking regularly gear knob is opened fire, and controller is exported forward voltage to the secondary coil of dual coil electromagnetic valve after detecting firing pulse; The energising of secondary coil forward, magnetic valve is opened; (2) make the main coil of dual coil electromagnetic valve keep conducting after thermocouple is heated, magnetic valve stays open state, and controller cuts off secondary coil and carries out the countdown of branch gear according to timing gear knob position signal; (3) in the countdown duration, the collection of controller cycle property is gear knob signal regularly, if timing gear knob signal no change continues timing; If regularly gear knob signal changes, controller is removed timing and according to new position signalling countdown again; (4) countdown finishes, and controller is exported backward voltage to secondary coil, the magnetic field cancellation that main and sub-coil produces, and closed electromagnetic valve cuts off the gas supply auto extinguishing, and controller is removed timing, and thermocouple cooling back cuts off the main coil loop.
Flame-out in order to stop when the Attended mode regularly; Also comprise step (3-1) (flow process is not shown) in the step (3): in the countdown duration; Controller continues to gather in real time the human induction switch signal, and controller was removed timing when human induction switch had sent people's active signal to controller; Human induction switch when controller sends unmanned active signal controller according to the countdown again of timing gear knob position signal.
When depressing the kitchen range knob and rotating; The kitchen range pulse discharge of starting working, dual coil electromagnetic valve secondary coil 2-2 forward energising adhesive is in the burner burning back more than 10 second; The thermocouple 1 generation voltage that is heated; Magnetic valve main coil 2-1 conducting adhesive after obtaining voltage is kept the valve body ventilation and is opened, and controlled device 3 controls of rear electromagnetic valve secondary coil 2-2 in more than 10 second stop to export forward voltage.Simultaneously, controller 3 is established the countdown times according to the residing position of rotary knob rod through timing gear knob 4, if big fire screen, then countdown is decided to be 45 minutes, if little fire then is decided to be 90 minutes.In the kitchen range course of work, whether controller 3 is monitored the gear knob position constantly and is changed (i.e. whether the someone moved knob in expression), if change, then resets countdown and when restarting down.If close knob, then regularly also close automatically simultaneously midway.When being timed to 0, controller 3 is at magnetic valve secondary coil 2-2 output backward voltage, makes magnetic valve main coil 2-1 coil influenced by anti-magnetic and discharges, thereby close magnetic valve, cuts off venting channels, reaches the purpose of closing kitchen range automatically.Human body infrared sensing switch, human body sensing can also be set near switch etc.; When the people is movable before the kitchen range of kitchen; Sensing device detects physical activity, and outputs signal to electric controller 2, and then electric controller 2 will not start regularly setting; Have only human body to leave, electric controller 2 just begins to start regularly.
Though the present invention is through illustrating and describe with reference to preferred embodiment,, those of ordinary skills should understand, and can be not limited to the description of the foregoing description, in the scope of claims, can do the various variations on form and the details.
Claims (8)
1. the timing automatic blanket of gas-cooker; It is characterized in that: comprise with the timing gear knob of firepower gear knob interlock, can periodically detect regularly the gear knob position signal controller, be used to control the dual coil electromagnetic valve of fuel gas pipeline break-make and be heated drive the thermocouple of dual coil electromagnetic valve main coil conducting; Main coil one end of dual coil electromagnetic valve connects thermocouple other end ground connection; Secondary coil one end of the dual coil electromagnetic valve other end ground connection that links to each other with controller, regularly the gear knob links to each other with controller; Controller can carry out the countdown of branch gear according to the position signalling that timing gear knob provides, and countdown finishing control device cuts out magnetic valve to dual coil electromagnetic valve secondary coil output backward voltage; Timing gear knob position changes then controller timing zero clearing reclocking in the countdown duration.
2. the timing automatic blanket of gas-cooker according to claim 1 is characterized in that: said timing gear knob is a driving switch, divides big fire, moderate heat, little fire and closes fiery fourth gear, and the quiet contact jaw of each gear is through the resistance eutral grounding of a respective resistance values.
3. the timing automatic blanket of gas-cooker according to claim 1; It is characterized in that: said timing gear knob is a potentiometer, is provided with in the controller according to the real-time resistance of timing gear knob and corresponding gear threshold ratio to draw the comparator of corresponding timing ga(u)ge duration.
4. the timing automatic blanket of gas-cooker according to claim 2; It is characterized in that: said controller is provided with the signal picker at timing length intercycle property collection timing gear positions signal; Collect when regularly the gear knob position signal changes, controller is removed timing and according to new position signalling countdown again.
5. the timing automatic blanket of gas-cooker according to claim 4 is characterized in that: said big fire screen countdown is decided to be 45 minutes automatically, and middle fire screen is decided to be 60 minutes automatically, and little fire screen is decided to be 90 minutes automatically; Said timing gear knob position signal collection period is 30 seconds.
6. according to the timing automatic blanket of each described gas-cooker of claim 1 to 5, it is characterized in that: said controller also is connected with a human induction switch, and controller was removed timing when human induction switch had sent people's active signal to controller; Human induction switch when controller sends unmanned active signal controller according to the countdown again of timing gear knob position signal.
7. the timing automatic blowout protection method of gas-cooker; It is characterized in that may further comprise the steps: (1) manual unlocking regularly gear knob is opened fire; Controller is exported forward voltage to the secondary coil of dual coil electromagnetic valve after detecting firing pulse, the energising of secondary coil forward, and magnetic valve is opened; (2) make the main coil of dual coil electromagnetic valve keep conducting after thermocouple is heated, magnetic valve stays open state, and controller cuts off secondary coil and carries out the countdown of branch gear according to timing gear knob position signal; (3) in the countdown duration, the collection of controller cycle property is gear knob signal regularly, if timing gear knob signal no change continues timing; If regularly gear knob signal changes, controller is removed timing and according to new position signalling countdown again; (4) countdown finishes, and controller is exported backward voltage to secondary coil, the magnetic field cancellation that main and sub-coil produces, and closed electromagnetic valve cuts off the gas supply auto extinguishing, and controller is removed timing, and thermocouple cooling back cuts off the main coil loop.
8. the timing automatic blowout protection method of gas-cooker according to claim 7; It is characterized in that also comprising step (3-1) in the said step (3): in the countdown duration; Controller continues to gather in real time the human induction switch signal, and controller was removed timing when human induction switch had sent people's active signal to controller; Human induction switch when controller sends unmanned active signal controller according to the countdown again of timing gear knob position signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210296446.4A CN102788374B (en) | 2012-08-20 | 2012-08-20 | Automatic timed extinguishing device of gas stove and protection method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210296446.4A CN102788374B (en) | 2012-08-20 | 2012-08-20 | Automatic timed extinguishing device of gas stove and protection method |
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| Publication Number | Publication Date |
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| CN102788374A true CN102788374A (en) | 2012-11-21 |
| CN102788374B CN102788374B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210296446.4A Active CN102788374B (en) | 2012-08-20 | 2012-08-20 | Automatic timed extinguishing device of gas stove and protection method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244973A (en) * | 2013-05-08 | 2013-08-14 | 刘敏 | Novel electronic gas stove switch timer and timing flameout method of electronic timer |
| CN103982923A (en) * | 2014-06-03 | 2014-08-13 | 彭文俊 | Intelligent unmanned gas safety monitoring device and method |
| CN106642223A (en) * | 2016-10-31 | 2017-05-10 | 青岛海高设计制造有限公司 | Timing device of gas stove and gas stove |
| CN107166448A (en) * | 2017-05-27 | 2017-09-15 | 杭州老板电器股份有限公司 | A kind of safe stove control system and control method |
| CN108592093A (en) * | 2018-05-14 | 2018-09-28 | 杭州老板电器股份有限公司 | It is automatic to close fiery control method, system and kitchen range |
| CN110469875A (en) * | 2019-09-05 | 2019-11-19 | 珠海格力电器股份有限公司 | Control circuit and kitchen range |
| CN111706884A (en) * | 2020-05-13 | 2020-09-25 | 宁波方太厨具有限公司 | Working method of intelligent kitchen |
| CN111878860A (en) * | 2020-08-22 | 2020-11-03 | 刘博博 | Automatic gas cutting-off device and method based on gas stove |
| CN112146135A (en) * | 2019-06-28 | 2020-12-29 | 杜泽儒 | Column-shaped safety device of gas stove |
| CN112833432A (en) * | 2021-01-06 | 2021-05-25 | 深圳市火王燃器具有限公司 | Time-limited flameout control method and system and stove |
| CN112984575A (en) * | 2021-04-15 | 2021-06-18 | 杭州老板电器股份有限公司 | Gas-cooker closes controlling means and gas-cooker of fiery |
| CN112984575B (en) * | 2021-04-15 | 2024-07-26 | 杭州老板电器股份有限公司 | Control device for gas stove fire-off and gas stove |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2410726Y (en) * | 1999-12-06 | 2000-12-13 | 方进勇 | Electronic timing switch for gas stove |
| CN201306754Y (en) * | 2008-10-17 | 2009-09-09 | 王海燕 | Household gas furnace provided with time delay flame-out device |
| CN201706551U (en) * | 2009-10-15 | 2011-01-12 | 桑有定 | Gas cooker digital timing blanker using double coil electromagnetic valve |
| CN202303495U (en) * | 2011-06-24 | 2012-07-04 | 松江区泗泾小学 | Novel gas stove timing-closing switch |
-
2012
- 2012-08-20 CN CN201210296446.4A patent/CN102788374B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2410726Y (en) * | 1999-12-06 | 2000-12-13 | 方进勇 | Electronic timing switch for gas stove |
| CN201306754Y (en) * | 2008-10-17 | 2009-09-09 | 王海燕 | Household gas furnace provided with time delay flame-out device |
| CN201706551U (en) * | 2009-10-15 | 2011-01-12 | 桑有定 | Gas cooker digital timing blanker using double coil electromagnetic valve |
| CN202303495U (en) * | 2011-06-24 | 2012-07-04 | 松江区泗泾小学 | Novel gas stove timing-closing switch |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103244973A (en) * | 2013-05-08 | 2013-08-14 | 刘敏 | Novel electronic gas stove switch timer and timing flameout method of electronic timer |
| CN103982923A (en) * | 2014-06-03 | 2014-08-13 | 彭文俊 | Intelligent unmanned gas safety monitoring device and method |
| CN106642223A (en) * | 2016-10-31 | 2017-05-10 | 青岛海高设计制造有限公司 | Timing device of gas stove and gas stove |
| CN107166448A (en) * | 2017-05-27 | 2017-09-15 | 杭州老板电器股份有限公司 | A kind of safe stove control system and control method |
| CN108592093A (en) * | 2018-05-14 | 2018-09-28 | 杭州老板电器股份有限公司 | It is automatic to close fiery control method, system and kitchen range |
| CN112146135A (en) * | 2019-06-28 | 2020-12-29 | 杜泽儒 | Column-shaped safety device of gas stove |
| CN110469875A (en) * | 2019-09-05 | 2019-11-19 | 珠海格力电器股份有限公司 | Control circuit and kitchen range |
| CN111706884A (en) * | 2020-05-13 | 2020-09-25 | 宁波方太厨具有限公司 | Working method of intelligent kitchen |
| CN111878860A (en) * | 2020-08-22 | 2020-11-03 | 刘博博 | Automatic gas cutting-off device and method based on gas stove |
| CN112833432A (en) * | 2021-01-06 | 2021-05-25 | 深圳市火王燃器具有限公司 | Time-limited flameout control method and system and stove |
| CN112833432B (en) * | 2021-01-06 | 2024-03-22 | 深圳火王智能厨电股份有限公司 | Control method and control system for time-limited flameout and stove |
| CN112984575A (en) * | 2021-04-15 | 2021-06-18 | 杭州老板电器股份有限公司 | Gas-cooker closes controlling means and gas-cooker of fiery |
| CN112984575B (en) * | 2021-04-15 | 2024-07-26 | 杭州老板电器股份有限公司 | Control device for gas stove fire-off and gas stove |
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| Publication number | Publication date |
|---|---|
| CN102788374B (en) | 2014-10-22 |
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Effective date of registration: 20231109 Address after: 312073 Xingbin Road, Economic and Technological Development Zone, Keqiao District, Shaoxing City, Zhejiang Province Patentee after: Zhejiang SUPOR kitchen and bathroom Electrical Appliance Co.,Ltd. Patentee after: ZHEJIANG SUPOR ELECTRICAL APPLIANCES MANUFACTURING Co.,Ltd. Address before: Hangzhou City, Zhejiang province 310052 High-tech Industrial Zone Waterfront Road 501 Patentee before: ZHEJIANG SUPOR ELECTRICAL APPLIANCES MANUFACTURING Co.,Ltd. |
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