CN105768865B - A kind of protective device and method that heating wetting system automatically powers off - Google Patents
A kind of protective device and method that heating wetting system automatically powers off Download PDFInfo
- Publication number
- CN105768865B CN105768865B CN201610268733.2A CN201610268733A CN105768865B CN 105768865 B CN105768865 B CN 105768865B CN 201610268733 A CN201610268733 A CN 201610268733A CN 105768865 B CN105768865 B CN 105768865B
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- wetting system
- heating
- control
- vapor
- control panel
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
- A47J27/21058—Control devices to avoid overheating, i.e. "dry" boiling, or to detect boiling of the water
- A47J27/21066—Details concerning the mounting thereof in or on the water boiling vessel
- A47J27/21075—Details concerning the mounting thereof in or on the water boiling vessel relating to the boiling sensor or to the channels conducting the steam thereto
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Cookers (AREA)
Abstract
The invention discloses a kind of protective device and method that heating wetting system automatically powers off, which includes：Detection module and control module；Whether the water that detection module is used to detect in heating wetting system is heated to boiling point；Wherein, detection module includes vapor accommodating chamber and control panel, the shape of control panel is identical with the cross sectional shape of vapor accommodating chamber cavity, and the vapor that heating wetting system generates when heating water to boiling point generates impulse force and control panel is driven to move in the cavity by a passage flow to vapor accommodating chamber；When control panel is moved to predeterminated position, the water in detection module judgement heating wetting system has been heated to boiling point；Control module is used for when the water during detection module judges heating wetting system is heated to boiling point, and the power supply of control heating wetting system disconnects, and stops heating.The vapor that the present invention can be generated by whose boiling drives control panel movement, contact of the isolation vapor with control device to extend service life of equipment to avoid the damage of heating wetting system.
Description
Technical field
The present invention relates to automation fields, more particularly to a kind of protective device that heating wetting system automatically powers off and side
Method.
Background technology
Heating wetting system currently on the market automatically powers off after whose temperature reaches boiling point, is all to utilize temperature inductor
It realizes, the steam temperature generated after coolant-temperature gage reaches boiling point is more than to pass to temp sensor device, the temperature after 100 degree
It spends sensor and generates the closing of signal handling power switch, to make the power supply of heating wetting system have the function that automatically power off.
The automatically powering off of the prior art heats up water equipment utilization temperature inductor and controls power supply to detect after water temperature reaches boiling point
Switch closes power supply, and due to vapor high temperature and humidity, temperature inductor is all metal material, there is life after a longer time of use
The case where rust causes temperature detection to fail leads to the damage for heating wetting system, brings loss.
Invention content
The invention mainly solves the technical problem of providing a kind of heating the wetting system protective device and method that automatically power off,
The vapor that can be generated by whose boiling drives control panel movement, contact of the isolation vapor with control device, to avoid
The damage of wetting system is heated, service life of equipment is extended.
In order to solve the above technical problems, one aspect of the present invention is：It is automatic to provide a kind of heating wetting system
The protective device of power-off, is connected to the heating wetting system of disposable type, which includes：Detection module and control module；Detection
Whether the water that module is used to detect in heating wetting system is heated to boiling point；Wherein, detection module includes vapor accommodating chamber and control
The shape of making sheet, control panel is identical with the cross sectional shape of vapor accommodating chamber cavity, and heating wetting system produces when heating water to boiling point
Raw vapor, to vapor accommodating chamber, and drives control panel to move in the cavity by a passage flow；Control panel is moved to
When predeterminated position, the water in detection module judgement heating wetting system has been heated to boiling point；Control module in detection module for sentencing
Surely when the water in heating wetting system is heated to boiling point, the power supply of control heating wetting system disconnects, and stops heating.
In order to solve the above technical problems, one aspect of the present invention is：It is automatic to provide a kind of heating wetting system
The step of guard method of power-off, this method includes：Whether the water in detection heating wetting system is heated to boiling point, and one water of setting steams
The shape of gas accommodating chamber and a control panel, control panel is identical with the cross sectional shape of vapor accommodating chamber cavity, and heating wetting system adds
The vapor generated when hot water is to boiling point, to vapor accommodating chamber, and drives control panel to move in the cavity by a passage flow
Dynamic, when control panel is moved to predeterminated position, the water in judgement heating wetting system has been heated to boiling point；In wetting system is heated in judgement
Water when being heated to boiling point, the power supply of control heating wetting system disconnects, and stops heating.
It is different from the prior art, the protective device that heating wetting system of the invention automatically powers off is produced after heating water to boiling point
Raw vapor pushes control panel movement, judges that water has reached boiling point when control panel is moved to predeterminated position, and then control
System disconnects the power supply of heating wetting system, contact of the isolation vapor with control device.By means of the invention it is possible to be produced by whose boiling
Raw vapor drives control panel movement, completely cuts off contact of the vapor with control device, to avoid the damage of heating wetting system,
Extend service life of equipment.
Description of the drawings
Fig. 1 is a kind of structural representation of one embodiment of protective device that heating wetting system automatically powers off provided by the invention
Figure；
Fig. 2 is that a kind of structure of another embodiment of protective device that heating wetting system automatically powers off provided by the invention is shown
It is intended to；
Fig. 3 is a kind of flow signal of guard method embodiment that heating wetting system automatically powers off provided by the invention
Figure.
Specific implementation mode
Many details are elaborated in the following description in order to fully understand the present invention.But the present invention can be with
Much implement different from other manner described here, those skilled in the art can be without prejudice to intension of the present invention the case where
Under do similar popularization, therefore the present invention is not limited to the specific embodiments disclosed below.
Secondly, the present invention is described in detail using schematic diagram, when describing the embodiments of the present invention, for purposes of illustration only, institute
It is example to state schematic diagram, should not limit the scope of protection of the invention herein.
Wetting system, especially electric kettle are heated, the necessary article in daily life is had become.Existing electric kettle is big
The temperature for more utilizing vapor in temperature sensor detection electric kettle, when the boiling point that the temperature of vapor reaches water (is usually
100 degrees Celsius) when, temperature sensor generates signal, and the power supply of electric kettle is made to disconnect, to realize electric kettle from dynamic circuit breaker
Electricity.The above-mentioned operation principle for current electric kettle.But in this method, vapor has directly contacted sensor, makes biography
Sensor is always in moist environment in working condition, and sensor is often metal material, is easy because of corrosion in wet environment
And it damages.Once sensor degradation, electric kettle can not automatically power off, and during heating water, electric kettle can be held
Continuous work, the water in kettle body is dryouied.Therefore the service life of existing electric kettle is shorter, and if electric kettle dryout after not
It is found, circuit system may be damaged, and easily cause fire in time.
Refering to fig. 1, Fig. 1 is a kind of the first embodiment party of protective device that heating wetting system automatically powers off provided by the invention
The structural schematic diagram of formula.The device 100 includes：Detection module 110 and control module 120.Device 100 is connected to heating wetting system
101, in the present invention, heating wetting system 101 is electric kettle 101.
Whether the water that detection module 110 is used to detect in electric kettle 101 is heated to boiling point.Detection module 110 includes water
Steam accommodating chamber 111 and control panel 112.Vapor accommodating chamber 111 is the cavity of arbitrary shape, and in the present invention, setting water steams
Gas accommodating chamber 111 is the cavity of cylinder type.One opening 114 of setting is communicated to electric kettle 101 by a channel 113 in cavity
Inside, and when electric kettle 101 heats water, water level is no more than the opening (not indicating) that 101 side of electric kettle is connected to.Water
Along the setting of the cross section of cavity along body 1111 in steam accommodating chamber 111, control module is arranged in the side of vapor accommodating chamber 111
120, the centre of control module 120 and opening 114 is located at along body 1111.Control panel 112 is set up in along body 1111.Control panel
112 area is slightly less than the cross-sectional area of vapor accommodating chamber 111, can be moved in vapor accommodating chamber 111.
Control module 120 is set in vapor accommodating chamber 111 includes with 114 opposite sides of opening, control module 120
One sensor 121, sensor 121 is set in vapor accommodating chamber 111 to be passed through with 114 opposite positions of opening, sensor 121
Signal transmission wire is connected to the power control circuit of electric kettle 101.
When heating water generates larger impulse force to when boiling, will produce a large amount of vapor, vapor to external diffusion.Water
Vapor can be converted into when temperature reaches boiling point.When by water in stove, coal gas or other equipment heating kettle, when water is burnt
It opens, the pot lid of kettle can be driven by the impulse force of vapor and be moved upwards, and be detached with the kettle body of kettle.With pot lid and kettle body point
From vapor falls from the interstitial diffusion of separation, impulse force disappearance, pot lid.As it can be seen that the water boiled moment for reaching boiling point, generation
Water vapor diffusion will produce larger impulse force.Although when water is below boiling point, water can also slowly flash to vapor,
The impulse force generated when being a small amount of water vapor diffusion generated at this time is not enough to detach pot lid with kettle body.In the present embodiment,
When water in electric kettle 101 is heated to boiling point, generates a large amount of vapor and vapor is entered from opening 114 by channel 113
Accommodating chamber 111, the impulse force that water vapor diffusion generates drive control panel 112 to move in the cavity.When control panel 112 is moved to sensing
When the position of device 121, sensor 121 generates inductive signal.The sensor 121 can be shock sensor, when control panel 112 moves
When be in contact and generate vibrations with sensor 121, the generation inductive signal of sensor 121, inductive signal is transferred to electric kettle
101 power control circuit, power control circuit disconnect the power supply of electric kettle 101 after receiving inductive signal, realize electricity
Hot-water bottle 101 automatically powers off.
In the present embodiment, control panel 112 has certain weight.Although electric kettle 101 is in the process of heating water
In, existing air heats expand through opening 114 and enter vapor accommodating chambers 111 in kettle body, while when water is not up to boiling point
The a small amount of vapor generated also enters vapor accommodating chamber 111, but the impulse force that the two generates can not drive control panel 112 to move
It is dynamic, a large amount of vapor are only generated after boiling water, the movement of control panel 112 could be driven, therefore not will produce water not boiling and
The case where electric kettle 101 powers off.
In the other embodiment of the present invention, control module 120 includes a control circuit 121, and control circuit 121 is independent
The power control circuit of electric kettle 101 is powered or is connected to, the circuit of control circuit 121 is set to vapor accommodating chamber 111
Interior part disconnects and sets up positive and negative anodes, the circuit turn-on when positive and negative anodes, which contact, to be connected.Control panel 112 is metallic plate.Such as Fig. 2 institutes
Show.When the water in electric kettle 101 is heated to boiling, generates a large amount of vapor and vapor accommodating chamber is entered by channel 113
It when 111, generates impulse force and control panel 112 is pushed to the positive and negative electrode that control circuit 121 detaches, positive and negative electrode is and control panel
121 contacts, make control circuit 121 be connected, and a relay 122 is arranged in control circuit 121, when control circuit 121 is connected, make after
Electric appliance 122 is powered on, and the final power switch for controlling electric kettle 101 is closed, to play the protective effect automatically powered off.
In other embodiments, control panel 112 is nonmetallic materials, is led in the setting close to the side of control circuit 121
Electric material, when the conductive material of control panel 121 is contacted with positive and negative electrode, turn-on control circuit 121.Control panel 112 is set as
When non-metal board, contacted with vapor be it is nonmetallic, the contact of vapor and control circuit 121 can be completely cut off, to electric kettle
101 shield, and extend its service life.
It is different from the prior art, the protective device that heating wetting system of the invention automatically powers off is produced after heating water to boiling point
Raw vapor pushes control panel movement, judges that water has reached boiling point when control panel is moved to predeterminated position, and then control
System disconnects the power supply of heating wetting system, contact of the isolation vapor with control device.By means of the invention it is possible to be produced by whose boiling
Raw vapor drives control panel movement, completely cuts off contact of the vapor with control device, to avoid the damage of heating wetting system,
Extend service life of equipment.
It is a kind of stream of guard method embodiment that heating wetting system automatically powers off provided by the invention refering to Fig. 3, Fig. 3
Journey schematic diagram.The step of this method includes：
S201：Whether the water in detection heating wetting system is heated to boiling point, and a vapor accommodating chamber and a control panel is arranged,
The shape of control panel is identical with the cross sectional shape of vapor accommodating chamber cavity, the water that heating wetting system generates when heating water to boiling point
Steam, to vapor accommodating chamber, and drives control panel to move in the cavity by a passage flow, and control panel is moved to default position
When setting, the water in judgement heating wetting system has been heated to boiling point.
Whether the water in detection electric kettle is heated to boiling point.Vapor accommodating chamber and control panel are set.Vapor accommodates
Room is that the cavity of arbitrary shape sets vapor accommodating chamber as the cavity of cylinder type in the present invention.Setting one is opened in cavity
Mouth is communicated to by a channel inside electric kettle, and in electric heating kettle heating water, water level is no more than electric kettle side
The opening of connection.Along the setting of the cross section of cavity along body, the side setting control mould of vapor accommodating chamber in vapor accommodating chamber
Block is located at the centre of control module and opening along body.Control panel is set up in along body.The area of control panel is slightly less than vapor appearance
It receives the cross-sectional area of room, indoor moving can be accommodated in vapor.
S202：When the water during wetting system is heated in judgement is heated to boiling point, the power supply of control heating wetting system disconnects, and stops
Heating.
It is set to side opposite with being open in vapor accommodating chamber, while a sensor is set, sensor is set to water
The position opposite with being open in steam accommodating chamber, the power supply that sensor is connected to electric kettle by signal transmission wire control electricity
Road.
When heating water generates larger impulse force to when boiling, will produce a large amount of vapor, vapor to external diffusion.Root
According to common sense, water can be converted into vapor when temperature reaches boiling point.Pass through the water in stove, coal gas or other equipment heating kettle
When, when water is boiled, the pot lid of kettle can be driven by the impulse force of vapor and be moved upwards, and be detached with the kettle body of kettle.With pot
Lid is detached with kettle body, and vapor falls from the interstitial diffusion of separation, impulse force disappearance, pot lid.As it can be seen that the water boiled wink for reaching boiling point
Between, the water vapor diffusion of generation will produce larger impulse force.Although when water is below boiling point, water can also be flashed to slowly
Vapor, but generate at this time a small amount of water vapor diffusion when the impulse force that generates be not enough to detach pot lid with kettle body.In this reality
It applies in mode, when the water in electric kettle is heated to boiling point, generates a large amount of vapor and vapor is entered from opening by channel
Accommodating chamber, the impulse force that water vapor diffusion generates drive control panel to move in the cavity.When control panel is moved to the position of sensor
When, sensor generates inductive signal.The sensor can be shock sensor, when control panel move and sensor be in contact and
Vibrations are generated, sensor generates inductive signal, and inductive signal is transferred to the power control circuit of electric kettle, power control circuit
The power supply that electric kettle is disconnected after receiving inductive signal, realizes automatically powering off for electric kettle.
In the present embodiment, control panel has certain weight.Although electric kettle is during heating water, kettle body
Interior existing air heats expand through opening and enter vapor accommodating chamber, while water is not up to a small amount of water generated when boiling point and steams
Gas also enters vapor accommodating chamber, but the impulse force that the two generates can not drive control panel to move, and is generated only after boiling water big
Measure vapor, could drive the movement of control panel, thus not will produce water not boiling and the case where electric kettle power-off.
In the other embodiment of the present invention, a control circuit is set, and control circuit is independently-powered or is connected to electric heating
The power control circuit of kettle, the circuit of control circuit are set to the indoor part of vapor receiving and disconnect and set up positive and negative anodes,
The circuit turn-on when positive and negative anodes, which contact, to be connected.Control panel is metallic plate.When the water in electric kettle is heated to boiling, generate big
When amount vapor enters vapor accommodating chamber by channel, the positive negative electricity that control panel is pushed to control circuit separation by impulse force is generated
Pole, positive and negative electrode are contacted with control panel, and control circuit is made to be connected, and a relay, control circuit conducting are arranged in control circuit
When, so that relay power is worked, the final power switch for controlling electric kettle is closed, and is made to play the protection automatically powered off
With.
In other embodiments, control panel is nonmetallic materials, and conductive material is being arranged close to the side of control circuit,
When the conductive material of control panel and positive and negative electrode contact, turn-on control circuit.When control panel is set as non-metal board, steamed with water
What gas contacted is nonmetallic, can completely cut off contact of the vapor with control circuit, shield to electric kettle, extend its use
Service life.
It is different from the prior art, the guard method that heating wetting system of the invention automatically powers off is produced after heating water to boiling point
Raw vapor pushes control panel movement, judges that water has reached boiling point when control panel is moved to predeterminated position, and then control
System disconnects the power supply of heating wetting system, contact of the isolation vapor with control device.By means of the invention it is possible to be produced by whose boiling
Raw vapor drives control panel movement, completely cuts off contact of the vapor with control device, to avoid the damage of heating wetting system,
Extend service life of equipment.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, every content without departing from technical solution of the present invention, and according to the present invention
Technical spirit to any simple modifications, equivalents, and modifications made by above example, belong to technical solution of the present invention
Protection domain.
Claims (10)
1. a kind of protective device that heating wetting system automatically powers off, is connected to the heating wetting system of disposable type, which is characterized in that
Including：Detection module and control module；
Whether the water that the detection module is used to detect in the heating wetting system is heated to boiling point；Wherein, the detection module
Including vapor accommodating chamber and control panel, the cross sectional shape phase of the shape of the control panel and the vapor accommodating chamber cavity
Together, the vapor that generates is by a passage flow to the vapor accommodating chamber when heating wetting system heats water to boiling point,
Generating impulse force drives the control panel to move in the cavity；When the control panel is moved to predeterminated position, the detection mould
Block judges that the water in the heating wetting system has been heated to boiling point；
The control module is used to, when the water during the detection module judges the heating wetting system is heated to boiling point, control institute
The power supply for stating heating wetting system disconnects, and stops heating.
2. the protective device that heating wetting system according to claim 1 automatically powers off, which is characterized in that the control module
Including a sensor, the sensor is set to the predeterminated position, when the control panel moves over institute along the cavity
When stating sensor, the sensor generates inductive signal, and the power supply that the control module controls the heating wetting system is made to disconnect,
Stop heating.
3. the protective device that heating wetting system according to claim 1 automatically powers off, which is characterized in that the control module
Including a control circuit, the positive and negative electrode of the control circuit detaches and is set to the predeterminated position；The control panel is gold
Belong to plate, contacted with the positive and negative electrode of the control circuit when being moved to the predeterminated position, so that the control circuit is connected, make institute
The power supply disconnection that control module controls the heating wetting system is stated, heating is stopped.
4. the protective device that heating wetting system according to claim 1 automatically powers off, which is characterized in that the control module
Including a control circuit, the positive and negative electrode of the control circuit detaches and is set to the predeterminated position；The control panel is non-
Metallic plate, and coating conductive material close to a side surface of the control circuit positive and negative electrode.
5. the protective device that heating wetting system according to claim 3 automatically powers off, which is characterized in that the control circuit
Including a relay, when the control circuit is connected, the power supply that the relay controls the heating wetting system disconnects, and stops
Heating.
6. a kind of guard method automatically powered off to heating wetting system using protective device described in claim 1, feature are existed
In, including：
Whether the water detected in the heating wetting system is heated to boiling point, and a vapor accommodating chamber and a control panel is arranged, described
The shape of control panel is identical with the cross sectional shape of the vapor accommodating chamber cavity, when the heating wetting system heats water to boiling point
The vapor of generation, to the vapor accommodating chamber, and drives the control panel to move in the cavity by a passage flow
It is dynamic, when the control panel is moved to predeterminated position, judge that the water in the heating wetting system has been heated to boiling point；
When the water in judging the heating wetting system is heated to boiling point, the power supply for controlling the heating wetting system disconnects, and stops
Heating.
7. the guard method that heating wetting system according to claim 6 automatically powers off, which is characterized in that add described in control
In the step of power supply of hot water facility disconnects, including step：
One sensor is set, and the sensor is set to the predeterminated position, when the control panel is moved and passed through along the cavity
When crossing the sensor, the sensor generates inductive signal, and the power supply to control the heating wetting system disconnects, and stops adding
Heat.
8. the guard method that heating wetting system according to claim 6 automatically powers off, which is characterized in that add described in control
In the step of power supply of hot water facility disconnects, including step：
One control circuit is set, and the positive and negative electrode of the control circuit detaches and is set to the predeterminated position；The control panel
It for metallic plate, is contacted with the positive and negative electrode of the control circuit when being moved to the predeterminated position, the control circuit is made to be connected,
Power supply to control the heating wetting system disconnects, and stops heating.
9. the guard method that heating wetting system according to claim 6 automatically powers off, which is characterized in that the control module
Including a control circuit, the positive and negative electrode of the control circuit detaches and is set to the predeterminated position；The control panel is non-
Metallic plate, and coating conductive material close to a side surface of the control circuit positive and negative electrode.
10. the guard method that heating wetting system according to claim 8 automatically powers off, which is characterized in that the control electricity
Road includes a relay, and when the control circuit is connected, the power supply that the relay controls the heating wetting system disconnects, and stops
Only heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610268733.2A CN105768865B (en) | 2016-04-27 | 2016-04-27 | A kind of protective device and method that heating wetting system automatically powers off |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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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| CN105768865A CN105768865A (en) | 2016-07-20 |
| CN105768865B true CN105768865B (en) | 2018-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610268733.2A Active 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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| CN2112118U (en) * | 1992-01-06 | 1992-08-05 | 黄彦刚 | Autoamtic cut-out for electric kettle for water in boiling |
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| 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101308046A (en) * | 2007-05-15 | 2008-11-19 | 黄樟焱 | Method and apparatus for detecting and controlling liquid boiling |
| CN101530285A (en) * | 2009-04-10 | 2009-09-16 | 广东新宝电器股份有限公司 | Electric kettle capable of boiling water quickly |
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2016
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Patent Citations (6)
| 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 |
| 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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|---|---|
| CN105768865A (en) | 2016-07-20 |
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