CN105768865A - Protection device and method for automatically switching off water heating equipment - Google Patents

Protection device and method for automatically switching off water heating equipment Download PDF

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Publication number
CN105768865A
CN105768865A CN201610268733.2A CN201610268733A CN105768865A CN 105768865 A CN105768865 A CN 105768865A CN 201610268733 A CN201610268733 A CN 201610268733A CN 105768865 A CN105768865 A CN 105768865A
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CN
China
Prior art keywords
hot water
water facility
control circuit
panel
water
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Granted
Application number
CN201610268733.2A
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Chinese (zh)
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CN105768865B (en
Inventor
曾应斌
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Huzhou Yinglie Intellectual Property Operation Co ltd
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Shanghai Feixun Data Communication Technology Co Ltd
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Priority to CN201610268733.2A priority Critical patent/CN105768865B/en
Publication of CN105768865A publication Critical patent/CN105768865A/en
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Publication of CN105768865B publication Critical patent/CN105768865B/en
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Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47JKITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00Cooking-vessels
    • A47J27/21Water-boiling vessels, e.g. kettles
    • A47J27/21008Water-boiling vessels, e.g. kettles electrically heated
    • A47J27/21058Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
    • A47J27/21066Details concerning the mounting thereof in or on the water boiling vessel
    • A47J27/21075Details concerning the mounting thereof in or on the water boiling vessel relating to the boiling sensor or to the channels conducting the steam thereto

Abstract

The invention discloses a protection device and method for automatically switching off water heating equipment. The protection device comprises a detection module and a control module, wherein the detection module is used for detecting whether water in the water heating equipment is heated to the boiling point or not; the detection module comprises a water vapor accommodating chamber and a control panel; the shape of the control panel is identical to the cross section shape of the cavity of the water vapor accommodating chamber; when the water heating equipment heats the water to the boiling point, the generated water vapor flows into the water vapor accommodating chamber through a passage; the generated impact force drives the control panel to move in the cavity; when the control panel moves to a preset position, the detection module judges that the water in the water heating equipment is heated to the boiling point; the control module is used for controlling the switching-off of a power supply of the water heating equipment and stopping the heating when the detection module judges that the water in the water heating equipment is heated to the boiling point. The device and the method have the advantages that the control panel can be driven to move by the water vapor generated by water boiling; the contact of the water vapor and the control device is avoided, so that the damage to the water heating equipment is avoided; the service life of the equipment is prolonged.

Description

A kind of add the protection apparatus and method that hot water facility automatically powers off
Technical field
The present invention relates to automation field, particularly relate to a kind of add the protection apparatus and method that hot water facility automatically powers off.
Background technology
The hot water facility that adds currently on the market automatically powers off after whose temperature reaches boiling point, it is all utilize temperature inductor to realize, after the steam temperature produced after coolant-temperature gage reaches boiling point is more than 100 degree, pass to temp sensor device, this temperature sensor produces signal handling on and off switch and closes, so that the power supply adding hot water facility reaches the effect automatically powered off.
The equipment utilization temperature inductor of heating up water that automatically powers off of prior art controls on and off switch closedown power supply to detect after water temperature reaches boiling point, owing to steam is hot and humid, temperature inductor is all metal material, there is the situation causing temperature detection to lose efficacy of getting rusty after a longer time of use, cause the damage adding hot water facility, bring loss.
Summary of the invention
The technical problem that present invention mainly solves is to provide and a kind of adds the protection apparatus and method that hot water facility automatically powers off; panel can be driven to move by the steam that whose boiling produces; exclusion of water steam and control the contact of device, thus avoiding adding the damage of hot water facility, extension device service life.
For solving above-mentioned technical problem, the technical scheme that the present invention adopts is: providing a kind of and add the protection device that hot water facility automatically powers off, what be connected to disposable type adds hot water facility, and this device includes: detection module and control module;Detection module is for detecting whether the water adding in hot water facility is heated to boiling point;Wherein, detection module includes steam accommodating chamber and panel, the shape of panel is identical with the cross sectional shape of steam accommodating chamber cavity, and the steam produced when adding hot water facility heating water to boiling point passes through a passage flow to steam accommodating chamber, and drives panel to move in cavity;When panel moves to predeterminated position, detection module judges that the water added in hot water facility has been heated to boiling point;Controlling module for when detection module judges that the water added in hot water facility is heated to boiling point, the power supply controlling to add hot water facility disconnects, and stops heating.
For solving above-mentioned technical problem, the technical scheme that the present invention adopts is: provides a kind of and adds the guard method that hot water facility automatically powers off, the step of the method includes: whether the water that detection adds in hot water facility is heated to boiling point, one steam accommodating chamber and a panel are set, the shape of panel is identical with the cross sectional shape of steam accommodating chamber cavity, the steam produced when adding hot water facility heating water to boiling point is by a passage flow to steam accommodating chamber, and drive panel to move in cavity, when panel moves to predeterminated position, judge that the water added in hot water facility has been heated to boiling point;When judging that the water added in hot water facility is heated to boiling point, the power supply controlling to add hot water facility disconnects, and stops heating.
It is different from prior art; the protection device that hot water facility automatically powers off of adding of the present invention promotes a panel to move to the steam produced after boiling point adding hot water; judge when panel is moved to predeterminated position that water has reached boiling point; and then control to disconnect the power supply adding hot water facility, the contact of exclusion of water steam and control device.By means of the invention it is possible to the steam produced by whose boiling drives panel to move, exclusion of water steam and control the contact of device, thus avoiding adding the damage of hot water facility, extension device service life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation adding protection device one embodiment that hot water facility automatically powers off provided by the invention;
Fig. 2 is a kind of structural representation adding protection another embodiment of device that hot water facility automatically powers off provided by the invention;
Fig. 3 is a kind of schematic flow sheet adding the guard method embodiment that hot water facility automatically powers off provided by the invention.
Detailed description of the invention
Elaborate a lot of detail in the following description so that fully understanding the present invention.But the present invention can implement being much different from alternate manner described here, and those skilled in the art can do similar popularization when without prejudice to intension of the present invention, therefore the present invention is by the following public restriction being embodied as.
Secondly, the present invention utilizes schematic diagram to be described in detail, and when describing the embodiment of the present invention in detail, for purposes of illustration only, described schematic diagram is example, it should not limit the scope of protection of the invention at this.
Add hot water facility, particularly electric kettle, have become as the necessary article in daily life.Existing electric kettle utilizes the temperature of steam in temperature sensor detection electric kettle mostly, when the temperature of steam reaches boiling point (being generally 100 degrees Celsius) of water, temperature sensor produces signal, the power supply making electric kettle disconnects, thus realizing automatically powering off of electric kettle.The above-mentioned operation principle for current electric kettle.But in this method, steam has directly contacted sensor, always it is in the environment of humidity when making sensor in working order, and sensor is often metal material, wet environment easily causes because of corrosion damage.Once sensor degradation, electric kettle cannot automatically power off, in the process adding hot water, and electric kettle meeting continuous firing, the water in kettle body is dryouied.Therefore the service life of existing electric kettle is shorter, and if electric kettle do not found in time after dryouting, it is possible to Circuits System can be caused damage, and easily caused by fire.
Consult the structural representation that Fig. 1, Fig. 1 are a kind of the first embodiments adding the protection device that hot water facility automatically powers off provided by the invention.This device 100 includes: detection module 110 and control module 120.Device 100 is connected to and adds hot water facility 101, in the present invention, adds hot water facility 101 for electric kettle 101.
Detection module 110 is for whether the water detected in electric kettle 101 is heated to boiling point.Detection module 110 includes steam accommodating chamber 111 and panel 112.Steam accommodating chamber 111 is the cavity of arbitrary shape, and in the present invention, setting steam accommodating chamber 111 is the cavity of cylinder type.One opening 114 is set in cavity and is communicated to electric kettle 101 inside by a passage 113, and when electric kettle 101 adds hot water, water level not can exceed that the opening (sign) that electric kettle 101 side connects.In steam accommodating chamber 111, the cross section along cavity arranges along body 1111, and the side of steam accommodating chamber 111 arranges control module 120, is positioned at the centre controlling module 120 and opening 114 along body 1111.Panel 112 is set up in along body 1111.The area of panel 112 is slightly less than the cross-sectional area of steam accommodating chamber 111, can move in steam accommodating chamber 111.
Control module 120 and be arranged at side relative with opening 114 in steam accommodating chamber 111, control module 120 and include a sensor 121, sensor 121 is arranged at position relative with opening 114 in steam accommodating chamber 111, and sensor 121 is connected to the power control circuit of electric kettle 101 by signal transmission wire.
When adding hot water to, when seething with excitement, producing substantial amounts of steam, steam, to external diffusion, produces bigger impulse force.Water can be converted into steam when temperature reaches boiling point.During by water in stove, coal gas or other equipment heating kettles, when water is boiled, the pot lid of kettle can be driven by the impulse force of steam and move upward, and separates with the kettle body of kettle.Along with pot lid separates with kettle body, steam is from the interstitial diffusion separated, and impulse force disappears, and pot lid falls.Visible, the water boiled moment reaching boiling point, the water vapor diffusion of generation can produce bigger impulse force.Although when water is below boiling point, water can also flash to steam lentamente, but now produce a small amount of water vapor diffusion time the impulse force that produces be not enough to separate pot lid with kettle body.In the present embodiment, when the water in electric kettle 101 is heated to boiling point, producing a large amount of steam and enter steam accommodating chamber 111 by passage 113 from opening 114, the impulse force that water vapor diffusion produces drives panel 112 to move in cavity.When panel 112 moves to the position of sensor 121, sensor 121 produces induced signal.This sensor 121 can be shaking sensor, come in contact with sensor 121 when panel 112 moves and produce vibrations, sensor 121 produces induced signal, induced signal is transferred to the power control circuit of electric kettle 101, power control circuit disconnects the power supply of electric kettle 101 after receiving induced signal, it is achieved automatically powering off of electric kettle 101.
In the present embodiment, panel 112 possesses certain weight.Although electric kettle 101 is in the process adding hot water, the air heats existed in kettle body expands through opening 114 and enters steam accommodating chamber 111, when water is not up to boiling point simultaneously, a small amount of steam of generation is also into steam accommodating chamber 111, but the impulse force of the two generation cannot drive panel 112 to move, only produce a large amount of steam after water boiling, the movement of panel 112 could be driven, thus without the situation producing water not boiling and electric kettle 101 power-off.
In other embodiments of the present invention, control module 120 and include a control circuit 121, control circuit 121 is independently-powered or is connected to the power control circuit of electric kettle 101, the part that the loop of control circuit 121 is arranged in steam accommodating chamber 111 disconnects and sets up both positive and negative polarity, the circuit turn-on when both positive and negative polarity contact is connected.Panel 112 is metallic plate.As shown in Figure 2.When the water in electric kettle 101 is heated to boiling; produce a large amount of steam by passage 113 enter steam accommodating chamber 111 time; produce impulse force and panel 112 is pushed to the positive and negative electrode that control circuit 121 separates; positive and negative electrode all contacts with panel 121; control circuit 121 is made to turn on; control circuit 121 arranges a relay 122; when control circuit 121 turns on; relay 122 is made to be energized work; the final on and off switch controlling electric kettle 101 is closed, thus playing the protective effect automatically powered off.
In other embodiments, panel 112 is nonmetallic materials, arranges conductive material in the side near control circuit 121, when the conductive material of panel 121 contacts with positive and negative electrode, and turn-on control circuit 121.When panel 112 is set to non-metal board, what contact with steam is nonmetal, can the contact of exclusion of water steam and control circuit 121, electric kettle 101 is shielded, extends its service life.
It is different from prior art; the protection device that hot water facility automatically powers off of adding of the present invention promotes a panel to move to the steam produced after boiling point adding hot water; judge when panel is moved to predeterminated position that water has reached boiling point; and then control to disconnect the power supply adding hot water facility, the contact of exclusion of water steam and control device.By means of the invention it is possible to the steam produced by whose boiling drives panel to move, exclusion of water steam and control the contact of device, thus avoiding adding the damage of hot water facility, extension device service life.
Consulting Fig. 3, Fig. 3 is a kind of schematic flow sheet adding the guard method embodiment that hot water facility automatically powers off provided by the invention.The step of the method includes:
S201: whether the water that detection adds in hot water facility is heated to boiling point, one steam accommodating chamber and a panel are set, the shape of panel is identical with the cross sectional shape of steam accommodating chamber cavity, the steam produced when adding hot water facility heating water to boiling point is by a passage flow to steam accommodating chamber, and drive panel to move in cavity, when panel moves to predeterminated position, it is determined that add the water in hot water facility and be heated to boiling point.
Whether the water in detection electric kettle is heated to boiling point.Steam accommodating chamber and panel are set.Steam accommodating chamber is the cavity of arbitrary shape, in the present invention, sets the steam accommodating chamber cavity as cylinder type.One opening is set in cavity by a channel connection inside electric kettle, and when electric heating kettle heating water, water level not can exceed that the opening that electric kettle side connects.In steam accommodating chamber, the cross section along cavity is arranged along body, and the side of steam accommodating chamber arranges control module, is positioned at the centre controlling module and opening along body.Panel is set up in along body.The area of panel is slightly less than the cross-sectional area of steam accommodating chamber, can hold indoor moving at steam.
S202: when judging that the water added in hot water facility is heated to boiling point, the power supply controlling to add hot water facility disconnects, and stops heating.
Being arranged at side relative with opening in steam accommodating chamber, arrange a sensor simultaneously, sensor is arranged at position relative with opening in steam accommodating chamber, and sensor is connected to the power control circuit of electric kettle by signal transmission wire.
When adding hot water to, when seething with excitement, producing substantial amounts of steam, steam, to external diffusion, produces bigger impulse force.According to general knowledge, water can be converted into steam when temperature reaches boiling point.During by water in stove, coal gas or other equipment heating kettles, when water is boiled, the pot lid of kettle can be driven by the impulse force of steam and move upward, and separates with the kettle body of kettle.Along with pot lid separates with kettle body, steam is from the interstitial diffusion separated, and impulse force disappears, and pot lid falls.Visible, the water boiled moment reaching boiling point, the water vapor diffusion of generation can produce bigger impulse force.Although when water is below boiling point, water can also flash to steam lentamente, but now produce a small amount of water vapor diffusion time the impulse force that produces be not enough to separate pot lid with kettle body.In the present embodiment, when the water in electric kettle is heated to boiling point, producing a large amount of steam and enter steam accommodating chamber by passage from opening, the impulse force that water vapor diffusion produces drives panel to move in cavity.When panel moves to the position of sensor, sensor produces induced signal.This sensor can be shaking sensor, come in contact with sensor when panel moves and produce vibrations, sensor produces induced signal, induced signal is transferred to the power control circuit of electric kettle, power control circuit disconnects the power supply of electric kettle after receiving induced signal, it is achieved automatically powering off of electric kettle.
In the present embodiment, panel possesses certain weight.Although electric kettle is in the process adding hot water, the air heats existed in kettle body expands through opening and enters steam accommodating chamber, when water is not up to boiling point simultaneously, a small amount of steam of generation is also into steam accommodating chamber, but the impulse force of the two generation cannot drive panel to move, only produce a large amount of steam after water boiling, the movement of panel could be driven, thus without the situation producing water not boiling and electric kettle power-off.
In other embodiments of the present invention, one control circuit is set, control circuit is independently-powered or is connected to the power control circuit of electric kettle, and the part that the loop of control circuit is arranged in steam accommodating chamber disconnects and sets up both positive and negative polarity, the circuit turn-on when both positive and negative polarity contact is connected.Panel is metallic plate.When the water in electric kettle is heated to boiling; when producing a large amount of steam by passage entrance steam accommodating chamber; produce impulse force and panel is pushed to the positive and negative electrode that control circuit separates; positive and negative electrode all contacts with panel, makes control circuit turn on, and arranges a relay in control circuit; during control circuit conducting; making relay power work, the final on and off switch controlling electric kettle is closed, thus playing the protective effect automatically powered off.
In other embodiments, panel is nonmetallic materials, arranges conductive material in the side near control circuit, when the conductive material of panel contacts with positive and negative electrode, and turn-on control circuit.When panel is set to non-metal board, what contact with steam is nonmetal, can the contact of exclusion of water steam and control circuit, electric kettle is shielded, extends its service life.
It is different from prior art; the guard method that hot water facility automatically powers off of adding of the present invention promotes a panel to move to the steam produced after boiling point adding hot water; judge when panel is moved to predeterminated position that water has reached boiling point; and then control to disconnect the power supply adding hot water facility, the contact of exclusion of water steam and control device.By means of the invention it is possible to the steam produced by whose boiling drives panel to move, exclusion of water steam and control the contact of device, thus avoiding adding the damage of hot water facility, extension device service life.
Although the present invention is with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art are without departing from the spirit and scope of the present invention; may be by the method for the disclosure above and technology contents and technical solution of the present invention is made possible variation and amendment; therefore; every content without departing from technical solution of the present invention; according to any simple modification, equivalent variations and modification that above example is made by the technical spirit of the present invention, belong to the protection domain of technical solution of the present invention.

Claims (10)

1. adding the protection device that hot water facility automatically powers off, what be connected to disposable type adds hot water facility, it is characterised in that including: detection module and control module;
Described detection module is for whether the water adding in hot water facility described in detecting is heated to boiling point;Wherein, described detection module includes steam accommodating chamber and panel, the shape of described panel is identical with the cross sectional shape of described steam accommodating chamber cavity, the described steam produced when hot water facility heats water to boiling point that adds, by a passage flow to described steam accommodating chamber, produces impulse force and drives described panel to move in described cavity;When described panel moves to predeterminated position, add the water in hot water facility described in the judgement of described detection module and be heated to boiling point;
Described control module is for when adding the water in hot water facility and being heated to boiling point described in the judgement of described detection module, the power supply adding hot water facility described in control disconnects, and stops heating.
2. according to claim 1 add the protection device that hot water facility automatically powers off; it is characterized in that; described control module includes a sensor; described sensor is arranged at described predeterminated position; when described panel moves over described sensor along described cavity; described sensor produces induced signal, makes the power supply adding hot water facility described in the control of described control module disconnect, stops heating.
3. according to claim 1 adding the protection device that hot water facility automatically powers off, it is characterised in that described control module includes a control circuit, the positive and negative electrode of described control circuit separates and is arranged at described predeterminated position;Described panel is metallic plate, contacts with the positive and negative electrode of described control circuit when moving to described predeterminated position, makes described control circuit turn on, and makes the power supply adding hot water facility described in the control of described control module disconnect, stops heating.
4. according to claim 3 add the protection device that hot water facility automatically powers off, it is characterised in that described panel is non-metal board, and at the side surface-coated conductive material near described control circuit positive and negative electrode.
5. according to claim 3 adding the protection device that hot water facility automatically powers off, it is characterised in that described control circuit includes a relay, when described control circuit turns on, the power supply adding hot water facility described in described Control disconnects, and stops heating.
6. one kind adds the guard method that hot water facility automatically powers off, it is characterised in that including:
Add described in detection whether the water in hot water facility is heated to boiling point, one steam accommodating chamber and a panel are set, the shape of described panel is identical with the cross sectional shape of described steam accommodating chamber cavity, the described steam produced when hot water facility heats water to boiling point that adds is by a passage flow to described steam accommodating chamber, and drive described panel to move in described cavity, when described panel moves to predeterminated position, it is determined that described in add the water in hot water facility and be heated to boiling point;
When adding the water in hot water facility described in judging and being heated to boiling point, the power supply adding hot water facility described in control disconnects, and stops heating.
7. according to claim 6 add the guard method that hot water facility automatically powers off, it is characterised in that in the step that the power supply adding hot water facility described in controlling disconnects, including step:
Arranging a sensor, described sensor is arranged at described predeterminated position, and when described panel moves over described sensor along described cavity, described sensor produces induced signal, and the power supply to add hot water facility described in controlling disconnects, and stops heating.
8. according to claim 6 add the guard method that hot water facility automatically powers off, it is characterised in that in the step that the power supply adding hot water facility described in controlling disconnects, including step:
Arranging a control circuit, the positive and negative electrode of described control circuit separates and is arranged at described predeterminated position;Described panel is metallic plate, contacts with the positive and negative electrode of described control circuit when moving to described predeterminated position, makes described control circuit turn on, and the power supply to add hot water facility described in controlling disconnects, and stops heating.
9. according to claim 8 add the guard method that hot water facility automatically powers off, it is characterised in that described panel is non-metal board, and at the side surface-coated conductive material near described control circuit positive and negative electrode.
10. according to claim 8 adding the guard method that hot water facility automatically powers off, it is characterised in that described control circuit includes a relay, when described control circuit turns on, the power supply adding hot water facility described in described Control disconnects, and stops heating.
CN201610268733.2A 2016-04-27 2016-04-27 A kind of protective device and method that heating wetting system automatically powers off Active CN105768865B (en)

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CN201610268733.2A CN105768865B (en) 2016-04-27 2016-04-27 A kind of protective device and method that heating wetting system automatically powers off

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CN201610268733.2A CN105768865B (en) 2016-04-27 2016-04-27 A kind of protective device and method that heating wetting system automatically powers off

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CN105768865B CN105768865B (en) 2018-10-12

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2112118U (en) * 1992-01-06 1992-08-05 黄彦刚 Autoamtic cut-out for electric kettle for water in boiling
CN2641803Y (en) * 2003-08-25 2004-09-15 张拯华 Boiling switch for electric heating disk type water heating cup
CN101308046A (en) * 2007-05-15 2008-11-19 黄樟焱 Method and apparatus for detecting and controlling liquid boiling
WO2010115324A1 (en) * 2009-04-10 2010-10-14 广东新宝电器股份有限公司 Electric water boiler capable for boiling water quickly
CN202312849U (en) * 2011-12-02 2012-07-11 宁波市鄞州勤晟电器有限公司 Electric kettle
CN202960155U (en) * 2012-11-16 2013-06-05 罗予秋 Steam switch with steam valve
CN203493415U (en) * 2013-10-07 2014-03-26 李振华 Vapor-pressure type automatic power off electric kettle
CN203506380U (en) * 2013-08-27 2014-04-02 吴春龙 Electric kettle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2112118U (en) * 1992-01-06 1992-08-05 黄彦刚 Autoamtic cut-out for electric kettle for water in boiling
CN2641803Y (en) * 2003-08-25 2004-09-15 张拯华 Boiling switch for electric heating disk type water heating cup
CN101308046A (en) * 2007-05-15 2008-11-19 黄樟焱 Method and apparatus for detecting and controlling liquid boiling
WO2010115324A1 (en) * 2009-04-10 2010-10-14 广东新宝电器股份有限公司 Electric water boiler capable for boiling water quickly
CN202312849U (en) * 2011-12-02 2012-07-11 宁波市鄞州勤晟电器有限公司 Electric kettle
CN202960155U (en) * 2012-11-16 2013-06-05 罗予秋 Steam switch with steam valve
CN203506380U (en) * 2013-08-27 2014-04-02 吴春龙 Electric kettle
CN203493415U (en) * 2013-10-07 2014-03-26 李振华 Vapor-pressure type automatic power off electric kettle

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